Hair straightening device

Abstract

A hair straightening device comprises: a hand-held part, a first outlet member, a second outlet member. The second outlet member is arranged parallel to the first outlet member, the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member; wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member; wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space; wherein the air outlet is provided with a plurality of deflectors spaced along the direction of the outlet member.

What is claimed is: 
     
         1 . A hair straightening device comprising:
 a hand-held part;   a first outlet member; and   a second outlet member, arranged parallel to the first outlet member; the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member;   wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member;   wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space;   wherein the air outlet is provided with a plurality of deflectors spaced along the length direction of the outlet member.   
     
     
         2 . The hair straightening device of  claim 1 , wherein the distance between any two adjacent deflectors is 2 mm-10 mm. 
     
     
         3 . The hair straightening device of  claim 1 , wherein the direction of airflow in the working space is perpendicular to the length direction of the outlet member, the air outlet is located at the upstream end of the airflow in the working space. 
     
     
         4 . The hair straightening device of  claim 3 , wherein the width of the working space at the upstream end of the airflow in the working space is 2 mm-8 mm. 
     
     
         5 . The hair straightening device of  claim 3 , wherein the width of the working space at downstream end of the airflow in the working space is 5 mm-10 mm. 
     
     
         6 . The hair straightening device of  claim 1 , wherein the angle between the guiding bevel and the direction of the airflow in the working space is less than or equal to 25 degrees. 
     
     
         7 . The hair straightening device of  claim 1 , wherein the hand-held part is provided with an installation cavity and a plurality of air inlets connected to the installation cavity, a heating element is arranged in the air chamber and/or the installation cavity. 
     
     
         8 . The hair straightening device of  claim 7 , wherein the air inlets is arranged in array. 
     
     
         9 . A hair straightening device comprising:
 a main body; and   an outlet assembly connected to the main body, the outlet assembly comprises two outlet members arranged at a relative interval to define a working space, the outlet member comprises:
 a sleeve including an air chamber and an air outlet, the air outlet is arranged on the side of the sleeve facing the working space; and 
 an air guide portion connected to the side of the sleeve with the air outlet, the air guide portion is arranged with at least part of the sleeve at intervals to define an air channel; 
 wherein the air channel is a curved channel, the air chamber is connected to the working space through the air outlet and the air channel in sequence, so that airflow in the air chamber can flow through the air outlet and the air channel in sequence to enter the working space. 
   
     
     
         10 . The hair straightening device of  claim 9 , wherein the working space has a first end and a second end opposite to the first end, the air outlet and the air channel are located at the first end, the airflow blown into the working space flows in a direction from the first end to the second end. 
     
     
         11 . The hair straightening device of  claim 10 , wherein the side of the sleeve facing the working space is provided with a guide wall, the guide wall is inclined relative to the direction from the first end to the second end, the direction of the airflow passing through the guide wall intersects with the direction from the first end to the second end. 
     
     
         12 . The hair straightening device of  claim 11 , wherein the sleeve is provided with a straight wall continuously connected to the end of the guide wall away from the air outlet, the direction in which the straight wall extended relative to the guide wall is parallel to the direction from the first end to the second end. 
     
     
         13 . The hair straightening device of  claim 9 , wherein the air channel has a first opening communicated to the air outlet and a second opening communicated with the working space, the direction from the first opening to the second opening intersects with the direction from the first end to the second end, the first opening and the second opening are arranged in the direction from the first end to the second end. 
     
     
         14 . The hair straightening device of  claim 13 , wherein the angle between the direction from the first opening to the second opening and the direction from the first end to the second end is greater than 0 degree and less than or equal to 25 degrees. 
     
     
         15 . The hair straightening device of  claim 9 , wherein the two outlet members are arranged at intervals along a first direction, the inner wall of the air guide portion at the end away from the air outlet and the outer wall of the sleeve jointly form a guide port, the dimension of the guide port along the first direction is greater than or equal to 0.5 mm, and less than or equal to 3 mm. 
     
     
         16 . The hair straightening device of  claim 9 , wherein the outlet assembly further comprises a plurality of deflectors arranged at intervals in the air channel along the length direction of the sleeve. 
     
     
         17 . The hair straightening device of  claim 16 , wherein the distance between two adjacent deflectors is greater than or equal to 2 mm, and less than or equal to 8 mm. 
     
     
         18 . A hair straightening device comprising:
 a motor, configured for generating airflow;   an inner housing, including a hand held part and two outlet members connected with the hand held part respectively, the two outlet members together define a working space; wherein the hand held part includes a first air channel to accommodate the motor, at least one outlet member includes a second air channel communicated with the working space and the first air channel, the airflow generated by the motor can be flowed into the working space through the second air channel; and   an outer housing, surrounded the inner housing and spaced apart from the inner housing along a direction from the first air channel to the second air channel to define a third air channel;   wherein the inner housing is provided with an entrance at a position of the hand held part to communicated the first air channel and the third air channel, the outer housing is provided with an exit at a position relative to the outlet member to communicated the third air channel and the outside of the hair straightening device.   
     
     
         19 . The hair straightening device of  claim 18 , wherein the Hair straightening device further comprises a heating element arranged between the motor and the second air channel, the entrance is arranged at the position of the hand held part between the motor and the heating element. 
     
     
         20 . The hair straightening device of  claim 18 , wherein the exit is arranged at the position relative to the end of the outlet member away from the hand held part.