Connection structure, strap, and watch

Abstract

A connection structure includes a first foldable plate, a second foldable plate, and an elastic shaft. The first foldable plate includes a first support strip and a second support strip having a first gap therebetween, and a first clamping portion is disposed on two side faces facing each other. The second foldable plate includes a third support strip and a fourth support strip having a second gap therebetween, and a second clamping portion is disposed on two side faces facing away each other. The elastic shaft passes through the second gap, and its two ends are respectively connected to the third support strip and the fourth support strip. When the first foldable plate and the second foldable plate are in a closed state, the third support strip and the fourth support strip are located in the first gap, and the first clamping portion is clamped to the second clamping portion.

What is claimed is: 
     
         1 . A connection structure, comprising:
 a first foldable plate, comprising a first support strip connected to a second support strip, wherein the first support strip and the second support strip are disposed in parallel, to define a first gap between the first support strip and the second support strip, the first support strip and the second support strip each comprise a side face, wherein the side face of the first support strip faces the side face of the second support strip, and a first clamping portion is disposed on one of the side face of the first support strip or the side face of the second support strip;   a second foldable plate, wherein one end of the second foldable plate is rotatably connected to one end of the first foldable plate, the second foldable plate comprises a third support strip and a fourth support strip, the third support strip and the fourth support strip are disposed in parallel, to define a second gap between the third support strip and the fourth support strip, the third support strip and the fourth support strip each comprise a side face, wherein the side face of the third support strip faces away from the side face of the fourth support strip, and a second clamping portion is disposed on one of the side face of the third support strip and the side face of the fourth support strip; and   an elastic shaft with two ends, wherein the elastic shaft passes through the second gap, each of the two ends of the elastic shaft are respectively connected to the third support strip and the fourth support strip, and the elastic shaft is elastic in a direction of an axis of the elastic shaft, to adjust a size of the second gap; and   when the first foldable plate and the second foldable plate are in a closed state, the third support strip and the fourth support strip are located in the first gap, and the first clamping portion is clamped to the second clamping portion.   
     
     
         2 . The connection structure according to  claim 1 , further comprising:
 a connection assembly, comprising a face cover and at least one rotating shaft that is disposed on one side of the face cover and that is fastened to the face cover, wherein the at least one rotating shaft is rotatably connected to the second foldable plate through the elastic shaft, and the face cover is configured to connect to a component outside the connection structure.   
     
     
         3 . The connection structure according to  claim 2 , wherein the at least one rotating shaft comprises a first rotating shaft and a second rotating shaft that are spaced from each other;
 the third support strip comprises a first connection portion and a second connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, the first connection portion is distal from the fourth support strip relative to the second connection portion, the fourth support strip comprises a third connection portion and a fourth connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, and the third connection portion is distal from the third support strip relative to the fourth connection portion;   the first rotating shaft is disposed between the first connection portion and the second connection portion, and the second rotating shaft is disposed between the third connection portion and the fourth connection portion; and   one end of the elastic shaft sequentially passes through the second connection portion and the first rotating shaft to abut against the first connection portion, and the other end of the elastic shaft sequentially passes through the fourth connection portion and the second rotating shaft to abut against the third connection portion.   
     
     
         4 . The connection structure according to  claim 3 , wherein a distance between the first connection portion and the second connection portion is greater than a thickness of the first rotating shaft in the direction of the axis of the elastic shaft, and a distance between the third connection portion and the fourth connection portion is greater than a thickness of the second rotating shaft in the direction of the axis of the elastic shaft. 
     
     
         5 . The connection structure according to  claim 1 , wherein the first clamping portion defines a clamping groove, and the second clamping portion defines a bump; and
 when the first foldable plate and the second foldable plate are in the closed state, the bump is located in the clamping groove.   
     
     
         6 . The connection structure according to  claim 1 , wherein the first clamping portion is disposed distal from the end that is of the first foldable plate and that is rotatably connected to the second foldable plate, and the second clamping portion is disposed distal from the end that is of the second foldable plate and that is rotatably connected to the first foldable plate. 
     
     
         7 . The connection structure according to  claim 1 , further comprising:
 a hinge shaft, wherein the first support strip, the second support strip, the third support strip, and the fourth support strip are rotatably connected through the hinge shaft, and the third support strip and the fourth support strip are located between the first support strip and the second support strip.   
     
     
         8 . The connection structure according to  claim 7 , wherein a part of the third support strip that is proximate to the hinge shaft is connected to a part of the fourth support strip that is proximate to the hinge shaft, and the second gap is distal from the hinge shaft. 
     
     
         9 . The connection structure according to  claim 8 , wherein a width of a part of the second gap that is distal from the hinge shaft is greater than a width of a part of the second gap that is proximate to the hinge shaft, the width of the part of the second gap that is distal from the hinge shaft and the width of the part of the second gap that is proximate to the hinge shaft are measured in the direction of the axis of the elastic shaft. 
     
     
         10 . The connection structure according to  claim 1 , wherein the first foldable plate further comprises a connection strip disposed between the first support strip and the second support strip, and two ends of the connection strip are respectively connected to the first support strip and the second support strip; and
 a groove is further defined on each of the third support strip and the fourth support strip; and when the first foldable plate and the second foldable plate are in the closed state, the connection strip is located in the groove;   or   wherein the first foldable plate further comprises a connection plate disposed between the first support strip and the second support strip, the connection plate comprising two side edges, each of the two side edges of the connection plate are respectively connected to the first support strip and the second support strip; and   the connection plate, the side face of the first support strip that is proximate to the connection plate, and the side face of the second support strip that is proximate to the connection plate define a receiving groove; and   when the first foldable plate and the second foldable plate are in the closed state, the third support strip and the fourth support strip are at least partially located in the receiving groove.   
     
     
         11 . The connection structure according to  claim 1 , wherein the third support strip further comprises a first protrusion portion disposed on a side of the third support strip that is distal from the fourth support strip, and the fourth support strip further comprises a second protrusion portion disposed on a side of the fourth support strip that is distal from the third support strip; and
 the first protrusion portion and the second protrusion portion are located on or parallel to the axis of the elastic shaft; and   when the first foldable plate and the second foldable plate are in the closed state, the first protrusion portion and the second protrusion portion respectively protrude from two side faces of the first support strip and the second support strip that are distal from each other.   
     
     
         12 . The connection structure according to  claim 1 , wherein the first foldable plate and the second foldable plate are arc-shaped; and
 when the first foldable plate and the second foldable plate are in the closed state, the first foldable plate and the second foldable plate have a same bending direction and a same bending radian.   
     
     
         13 . A strap, comprising:
 a connection structure, wherein the connection structure comprises:   a first foldable plate, comprising a first support strip connected to a second support strip, wherein the first support strip and the second support strip are disposed in parallel, to define a first gap between the first support strip and the second support strip, the first support strip and the second support strip each comprise a side face, wherein the side face of the first support strip faces the side face of the second support strip, and a first clamping portion is disposed on one of the side face of the first support strip or the side face of the second support strip;   a second foldable plate, wherein one end of the second foldable plate is rotatably connected to one end of the first foldable plate, the second foldable plate comprises a third support strip and a fourth support strip, the third support strip and the fourth support strip are disposed in parallel, to define a second gap between the third support strip and the fourth support strip, the third support strip and the fourth support strip each comprise a side face, wherein the side face of the third support strip faces away from the side face of the fourth support strip, and a second clamping portion is disposed on one of the side face of the third support strip and the side face of the fourth support strip; and   an elastic shaft with two ends, wherein the elastic shaft passes through the second gap, each of the two ends of the elastic shaft are respectively connected to the third support strip and the fourth support strip, and the elastic shaft is elastic in a direction of an axis of the elastic shaft, to adjust a size of the second gap; and   when the first foldable plate and the second foldable plate are in a closed state, the third support strip and the fourth support strip are located in the first gap, and the first clamping portion is clamped to the second clamping portion;   a first strap, wherein one end of a first foldable plate in the connection structure is rotatably connected to a second foldable plate, and the other end is connected to the first strap; and   a second strap, wherein one end of the second foldable plate in the connection structure is rotatably connected to the first foldable plate, and the other end is connected to the second strap.   
     
     
         14 . The strap according to  claim 13 , wherein when the connection structure further comprises a connection assembly, the second strap is connected to the second foldable plate through the connection assembly;
 a face cover of the connection assembly comprises a base plate and a cover plate, the base plate and the cover plate enclose an accommodation space, and a clamping pillar is disposed on the cover plate; and   a through hole is provided on the second strap, and the second strap extends into the accommodation space and is clamped to the clamping pillar through the through hole.   
     
     
         15 . The strap according to  claim 13 , wherein the at least one rotating shaft comprises a first rotating shaft and a second rotating shaft that are spaced from each other;
 the third support strip comprises a first connection portion and a second connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, the first connection portion is distal from the fourth support strip relative to the second connection portion, the fourth support strip comprises a third connection portion and a fourth connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, and the third connection portion is distal from the third support strip relative to the fourth connection portion;   the first rotating shaft is disposed between the first connection portion and the second connection portion, and the second rotating shaft is disposed between the third connection portion and the fourth connection portion; and   one end of the elastic shaft sequentially passes through the second connection portion and the first rotating shaft to abut against the first connection portion, and the other end of the elastic shaft sequentially passes through the fourth connection portion and the second rotating shaft to abut against the third connection portion.   
     
     
         16 . The strap according to  claim 13 , wherein the first foldable plate further comprises a connection strip disposed between the first support strip and the second support strip, and two ends of the connection strip are respectively connected to the first support strip and the second support strip; and
 a groove is further defined on each of the third support strip and the fourth support strip; and when the first foldable plate and the second foldable plate are in the closed state, the connection strip is located in the groove;   or   wherein the first foldable plate further comprises a connection plate disposed between the first support strip and the second support strip, the connection plate comprising two side edges, each of the two side edges of the connection plate are respectively connected to the first support strip and the second support strip; and   the connection plate, the side face of the first support strip that is proximate to the connection plate, and the side face of the second support strip that is proximate to the connection plate define a receiving groove; and   when the first foldable plate and the second foldable plate are in the closed state, the third support strip and the fourth support strip are at least partially located in the receiving groove.   
     
     
         17 . A watch, comprising:
 a watch face; and   a strap comprising a connection structure, wherein the connection structure comprises:   a first foldable plate, comprising a first support strip connected to a second support strip, wherein the first support strip and the second support strip are disposed in parallel, to define a first gap between the first support strip and the second support strip, the first support strip and the second support strip each comprise a side face, wherein the side face of the first support strip faces the side face of the second support strip, and a first clamping portion is disposed on one of side face of the first support strip or the side face of the second support strip;   a second foldable plate, wherein one end of the second foldable plate is rotatably connected to one end of the first foldable plate, the second foldable plate comprises a third support strip and a fourth support strip, the third support strip and the fourth support strip are disposed in parallel, to define a second gap between the third support strip and the fourth support strip, the third support strip and the fourth support strip each comprise a side face, wherein the side face of the third support strip faces away from the side face of the fourth support strip, and a second clamping portion is disposed on one of the side face of the third support strip and the side face the fourth support strip; and   an elastic shaft with two ends, wherein the elastic shaft passes through the second gap, each of the two ends of the elastic shaft are respectively connected to the third support strip and the fourth support strip, and the elastic shaft is elastic in a direction of an axis of the elastic shaft, to adjust a size of the second gap; and   when the first foldable plate and the second foldable plate are in a closed state, the third support strip and the fourth support strip are located in the first gap, and the first clamping portion is clamped to the second clamping portion;   a first strap, wherein one end of a first foldable plate in the connection structure is rotatably connected to a second foldable plate, and the other end is connected to the first strap; and   a second strap, wherein one end of the second foldable plate in the connection structure is rotatably connected to the first foldable plate, and the other end is connected to the second strap,   wherein one end of the watch face is connected to a first strap of the strap, and the other end of the watch face is connected to a second strap of the strap.   
     
     
         18 . The watch according to  claim 17 , wherein when the connection structure further comprises a connection assembly, the second strap is connected to the second foldable plate through the connection assembly;
 a face cover of the connection assembly comprises a base plate and a cover plate, the base plate and the cover plate enclose an accommodation space, and a clamping pillar is disposed on the cover plate; and   a through hole is provided on the second strap, and the second strap extends into the accommodation space and is clamped to the clamping pillar through the through hole.   
     
     
         19 . The watch according to  claim 17 , wherein the at least one rotating shaft comprises a first rotating shaft and a second rotating shaft that are spaced from each other;
 the third support strip comprises a first connection portion and a second connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, the first connection portion is distal from the fourth support strip relative to the second connection portion, the fourth support strip comprises a third connection portion and a fourth connection portion that are sequentially arranged in the direction of the axis of the elastic shaft, and the third connection portion is distal from the third support strip relative to the fourth connection portion;   the first rotating shaft is disposed between the first connection portion and the second connection portion, and the second rotating shaft is disposed between the third connection portion and the fourth connection portion; and   one end of the elastic shaft sequentially passes through the second connection portion and the first rotating shaft to abut against the first connection portion, and the other end of the elastic shaft sequentially passes through the fourth connection portion and the second rotating shaft to abut against the third connection portion.   
     
     
         20 . The watch according to  claim 17 , wherein the first foldable plate further comprises a connection strip disposed between the first support strip and the second support strip, and two ends of the connection strip are respectively connected to the first support strip and the second support strip; and
 a groove is further defined on each of the third support strip and the fourth support strip; and when the first foldable plate and the second foldable plate are in the closed state, the connection strip is located in the groove;   or   wherein the first foldable plate further comprises a connection plate disposed between the first support strip and the second support strip, the connection plate comprising two side edges, and each of the two side edges of the connection plate are respectively connected to the first support strip and the second support strip; and   the connection plate, the side face of the first support strip that is proximate to the connection plate, and the side face of the second support strip that is proximate to the connection plate define a receiving groove; and   when the first foldable plate and the second foldable plate are in the closed state, the third support strip and the fourth support strip are at least partially located in the receiving groove.