Sliding system and sliding member for fitness equipment stud

Abstract

A sliding member for a fitness equipment stud includes: a plurality of rollers with gaps formed therebetween and arranged in parallel and opposite to each other; two roller connecting plates being respectively connected to two ends of each roller; and at least one pin detachably mounted on the roller connecting plates. Therefore, an external engaging attachment can be engaged with the at least one pin to form a structure that is either rotatable or fixed.

1 . A sliding member for a fitness equipment stud, comprising:
 a plurality of rollers, wherein the plurality of rollers is spaced apart with gaps formed therebetween, every two of the plurality of rollers are arranged in parallel and opposite to each other; a channel allowing a stud to pass through is formed between two adjacent rollers, and each roller is able to roll or slide on an outer surface of the stud;   two roller connecting plates, wherein the plurality of rollers is arranged between the two roller connecting plates, and two ends of each roller are connected to the two roller connecting plates respectively; and   at least one pin, detachably mounted on the two roller connecting plates and allowing an external engaging attachment to be capable of being engaged with to form a rotatable structure or a fixed structure.   
     
     
         2 . The sliding member for a fitness equipment stud according to  claim 1 , wherein the two roller connecting plates are arranged in parallel and opposite to each other; the two roller connecting plates are defined with at least one pair of pin holes; the at least one pin is capable of being inserted into the at least one pin hole of a first roller connecting plate of the two roller connecting plates and passing out of the at least one pin hole of a second roller connecting plate of the two roller connecting plates. 
     
     
         3 . The sliding member for a fitness equipment stud according to  claim 2 , wherein the at least two pin holes are defined at both sides of each roller connecting plate, and the at least two pin holes of the first roller connecting plate are on a same horizontal plane. 
     
     
         4 . The sliding member for a fitness equipment stud according to  claim 1 , wherein an outer surface of one roller connecting plate is provided with at least two rib plates at intervals, and the at least two rib plates are defined with at least one pair of pin holes; one pin is capable of being inserted into one pin hole of one rib plate, such that the external engaging attachment is capable of being engaged with at least one pin to form a rotatable structure or a fixed structure. 
     
     
         5 . The sliding member for a fitness equipment stud according to  claim 4 , wherein the at least one pin is parallel to the roller connecting plates and perpendicular to the rollers. 
     
     
         6 . The sliding member for the stud of fitness equipment according to  claim 1 , further comprising:
 at least one through hole, provided in the middle of the roller connecting plate; and   a fixing shaft, wherein the fixing shaft passes through the at least one through hole to fix the sliding member at a position of the stud.   
     
     
         7 . The sliding member for the stud of fitness equipment according to  claim 6 , wherein a diameter of the at least one through hole of the roller connecting plate is greater than that of a fixing hole of the stud. 
     
     
         8 . The sliding member for the stud of fitness equipment according to  claim 1 , wherein each of two lower side edges of each roller connecting plate is defined with a curved groove bended upward, and a bending portion of the curved groove increases a contact area between each roller connecting plate and a safety pin arranged on the stud in response to each roller connecting plate moving downward and contacting the safety pin. 
     
     
         9 . A sliding system for a fitness equipment stud, comprising a sliding member and an engaging attachment attached to the sliding member;
 wherein the sliding member comprises:   a plurality of rollers, wherein the plurality of rollers is spaced apart with gaps formed therebetween, every two of the plurality of rollers are arranged in parallel and opposite to each other; a channel allowing a stud to pass through is formed between two adjacent rollers, and each roller is able to roll or slide on an outer surface of the stud;   two roller connecting plates, wherein the plurality of rollers is arranged between the two roller connecting plates, and two ends of each roller are connected to the two roller connecting plates respectively; and   at least one pin, detachably mounted on one or two of the roller connecting plates;   the engaging attachment comprises:   at least one clamping member, wherein one end of the at least clamping member is arranged with an engaging structure capable of engaging with the at least one pin, such that the clamping member is capable of engaging with the at least one pin to form a rotatable structure or a fixed structure.   
     
     
         10 . The sliding system for a fitness equipment stud according to  claim 9 , wherein the engaging structure of the clamping member is a pin hole and/or a hooking member, and the clamping member is engaged with the at least one pin mounted on the sliding member through the pin hole or the hooking member to form a rotatable structure or a fixed structure. 
     
     
         11 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a bench press attachment, the bench press attachment is connected to the clamping member, and at least one weight plate is capable of being mounted on the bench press attachment. 
     
     
         12 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a pulley attachment, the pulley attachment is connected to the clamping member, and the pulley attachment is connected to a rope in a sliding manner. 
     
     
         13 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a lateral raise attachment, the lateral raise attachment is connected to the clamping member, the lateral raise attachment comprises one or more columnar body, and each columnar body is capable of being mounted with one or more weight plates. 
     
     
         14 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a leg extension attachment, the leg extension attachment is connected to the clamping member, the leg extension attachment comprises one or more columnar body, each columnar body is capable of being mounted with one or more weight plates. 
     
     
         15 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a landmine attachment, the landmine attachment is connected to the clamping member, the landmine attachment is capable of being sleeved with a rod body, and the rod body is capable of being mounted with one or more weight plates. 
     
     
         16 . The sliding system for the stud of fitness equipment according to  claim 10 , wherein the engaging attachment also comprises a dip bar attachment, the dip bar attachment is connected to the clamping member, and an outer arm of the dip bar attachment is connected to one or more columnar body. 
     
     
         17 . The sliding system for a fitness equipment stud according to  claim 9 , wherein the two roller connecting plates are arranged in parallel and opposite to each other; the two roller connecting plates are defined with at least one pair of pin holes; the at least one pin is capable of being inserted into the at least one pin hole of a first roller connecting plate of the two roller connecting plates and passing out of the at least one pin hole of a second roller connecting plate of the two roller connecting plates. 
     
     
         18 . The sliding system for a fitness equipment stud according to  claim 9 , wherein an outer surface of one roller connecting plate is provided with at least two rib plates at intervals, the two rib plates arranged at intervals are defined with at least one pair of pin holes, each pin is capable of being inserted into the pin hole of at least one rib plate, such that the external engaging attachment is capable of being engaged with the at least one pin to form a rotatable structure or a fixed structure. 
     
     
         19 . The sliding system for a fitness equipment stud according to  claim 9 , wherein each roller connecting plate is also provided with:
 at least one through hole, provided in the middle of the roller connecting plate; and   a fixing shaft, wherein the fixing shaft is capable of passing through the at least one through hole to allow the sliding member to be fixed at a position of the stud.   
     
     
         20 . The sliding system for a fitness equipment stud according to  claim 9 , wherein each of two lower side edges of each roller connecting plate is defined with a curved groove bended upward, and a bending portion of the curved groove increases a contact area between each roller connecting plate and a safety pin arranged on the stud in response to each roller connecting plate moving downward and contacting the safety pin.