[ summary of the invention ]
The utility model discloses a aim at solving above-mentioned problem and provide the wheelchair back of the chair bracing piece connecting piece that can buckle, solve the angle that the current wheelchair is not convenient for adjust the back of the chair and seat support, mechanical structure is complicated easily to produce mechanical failure and maintain inconvenient problem.
To achieve the purpose, the utility model adopts the following technical proposal:
the bendable wheelchair backrest support rod connecting piece comprises a fixing piece and an adjusting piece, wherein the fixing piece is connected with the adjusting piece through a rotating shaft, and the adjusting piece can rotate around the rotating shaft;
the fixing piece comprises a main body, an accommodating cavity, a limiting hole and a connecting column, the accommodating cavity is arranged in the main body, the adjusting piece can rotate in the accommodating cavity, the limiting hole is formed in one side, away from the adjusting piece, of the main body, and the connecting column is arranged at the bottom of the main body and used for being connected with a wheelchair cushion;
the regulating part is including rotating piece, regulating plate and regulation post, the one end of rotating the piece is passed through the pivot with the main part is connected, the bottom cover of rotating the piece is equipped with the regulating plate, it is close to rotate the piece one side of main part is equipped with a through-hole, it runs through to adjust the post the regulating plate with pass through-hole, through pressing the regulating plate can be adjusted the regulation post inserts when the angle regulation is not carried out to the back of the chair of through-hole, the rotation piece is located hold the intracavity, just it passes to adjust the post insert behind the through-hole in the spacing hole, when the back of the chair of wheelchair carries out angle regulation, presses the regulating plate, it withdraws from to adjust the post spacing hole, through the pivot rotates the rotation piece carries out back of the chair angle regulation.
Preferably, the rotating member is rotatable by an angle of 0 ° to 180 °.
Preferably, the spliced pole includes the regulation hole, the regulation hole is located adjust on the post, two are no less than to the quantity of regulation hole.
Preferably, the regulation post includes cylinder and nut, the cylinder runs through the regulating plate with rotate the piece, the nut is located the cylinder is kept away from the one end of rotating the piece, just the diameter of nut is greater than the diameter of cylinder is pressed during the regulating plate, the nut with the regulating plate offsets, drives the cylinder business turn over spacing hole.
Preferably, the adjusting plate is made of a plastic material.
Preferably, the rotating part further comprises a mounting hole, the mounting hole is formed in the end, far away from the main body, of the rotating part, and the mounting hole is used for being connected with a chair back.
Preferably, the main body and the rotating member are made of stainless steel.
The utility model discloses a contribution lies in: the utility model discloses a cooperation between mounting and regulating part, through pressing the regulating plate, the spacing hole of business turn over of post is adjusted in control, the rotation of regulating part for the mounting has been realized, make and to form different angles between the back of the chair and seat support, the user can be through adjusting angle between them, realize lying to one side or lying, user's use experience has been increased, the mode through pressing the rotation regulation realizes the regulation of angle, compare in traditional connecting rod regulative mode, the structure is simpler, the fault rate is littleer, also change the maintenance more easily.
[ description of the drawings ]
FIG. 1 is a schematic structural view of one embodiment of the connecting member of the present invention;
fig. 2 is a schematic structural view of the adjusting member of the present invention when the adjusting member is rotated to a certain angle;
FIG. 3 is a schematic structural view of the adjusting member of the present invention when it is not rotated;
FIG. 4 is a schematic view of the adjusting member of the present invention rotated to be perpendicular to the fixing member;
FIG. 5 is a bottom plan view of the adjustment member of FIG. 3 shown in an un-rotated position;
FIG. 6 is a top plan view of the adjustment member of FIG. 3 shown in the non-rotated position;
wherein: the fixing part 10, the main body 11, the accommodating cavity 12, the limiting hole 13, the connecting column 14, the adjusting hole 141, the adjusting part 20, the rotating part 21, the through hole 211, the mounting hole 212, the adjusting plate 22, the adjusting column 23, the column 231, the nut 232 and the rotating shaft 30.
[ detailed description ] embodiments
The following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.
As shown in fig. 1-6, the bendable wheelchair backrest support bar connecting member comprises a fixed member 10 and an adjusting member 20, wherein the fixed member 10 is connected with the adjusting member 20 through a rotating shaft 30, and the adjusting member 20 can rotate around the rotating shaft 30;
the fixing piece 10 comprises a main body 11, an accommodating cavity 12, a limiting hole 13 and a connecting column 14, wherein the accommodating cavity 12 is arranged in the main body 11, the adjusting piece 20 can rotate in the accommodating cavity 12, the limiting hole 13 is arranged on one side, far away from the adjusting piece 20, of the main body 11, and the connecting column 14 is arranged at the bottom of the main body 11 and used for being connected with a wheelchair cushion;
the adjusting member 20 includes a rotation member 21, an adjusting plate 22 and an adjusting post 23, one end of the rotation member 21 is connected to the main body 11 through the rotation shaft 30, the bottom cover of the rotating member 21 is provided with the adjusting plate 22, one side of the rotating member 21 close to the main body 11 is provided with a through hole 211, the adjusting column 23 penetrates the adjusting plate 22 and the adjusting column 23 and passes through the through hole 211, the length of the adjusting column 23 inserted into the through hole 211 can be adjusted by pressing the adjusting plate 22, when the angle of the chair back of the wheelchair is not adjusted, the rotating part 21 is arranged in the accommodating cavity 12, and the adjusting column 23 is inserted into the limiting hole 13 after passing through the through hole 211, when the angle of the chair back of the wheelchair is adjusted, the adjusting plate 22 is pressed, the adjusting column 23 exits the limiting hole 13, and the rotating piece 21 is rotated through the rotating shaft 30 to adjust the angle of the chair back.
The bendable wheelchair backrest support rod connecting piece mainly comprises a fixing piece 10 and an adjusting piece 20, wherein the adjusting piece 20 can rotate relative to the fixing piece 10, so that the angle between the backrest and the seat is adjusted, and a user can adjust the comfortable angle according to the use habit.
Specifically, the fixing member 10 includes a main body 11, a receiving cavity 12, a limiting hole 13 and a connecting column 14, the adjusting member 20 includes a rotating member 21, an adjusting plate 22 and an adjusting column 23, when in normal use, the chair back and the chair seat are in a mutually perpendicular state, the bottom of the adjusting column 23 is inserted into the limiting hole 13 of the fixing member 10, the rotating member 21 is arranged in the receiving cavity 12 of the fixing member 10, if the user feels uncomfortable in the state, the adjusting plate 22 can be pressed, the adjusting column 23 can exit from the limiting hole 13 by pressing the adjusting plate 22, the rotating member 21 can rotate at the moment, the user can adjust according to the self-preferred angle, the general adjusting range is between 0 and 90 degrees, so that the chair back and the chair seat are in an inclined state, the user lies on the chair back obliquely and is more comfortable compared with a vertical sitting, and the user does not want to sit, when lying down, only need continue to rotate rotation piece 21 for rotate the state that is mutually perpendicular between piece 21 and the main part 11, the back of the chair and seat support are on same water flat line this moment, and contained angle between the two is 180, and the user can lie horizontally and directly have a rest on the wheelchair, greatly increased the application range of wheelchair, increase user's experience impression.
The utility model discloses a cooperation between mounting 10 and regulating part 20, through pressing regulating plate 22, the spacing hole of business turn over 13 of control regulation post 23, the rotation of regulating part 20 for mounting 10 has been realized, make can form different angles between the back of the chair and seat support, the user can be through adjusting angle between them, realize lying to one side or lying, user's use experience has been increased, through pressing the regulation that the mode realization angle of rotation regulation was adjusted, compare in traditional connecting rod regulation mode, the structure is simpler, the fault rate is littleer, also change the maintenance more easily.
More specifically, the rotary member 21 can be rotated by an angle of 0 to 180 °.
Rotate piece 21 through rotating different angles, realize the different function of wheelchair, it is concrete, rotate piece 21 and do not rotate, when 0 promptly, rotate piece 21 this moment and locate and hold chamber 12 in, the back of the chair is the vertical state with the seat support, the user can straight seat on the seat support this moment, when the angle that rotates piece 21 is adjusted between 0 to 90, the back of the chair and seat support present certain contained angle this moment, the user can feel comfortable angle according to oneself and adjust, thereby be convenient for the seat is leaned on, when the user need lie down, only need to rotate piece 21 adjust to 90 can, back of the chair and seat support level setting this moment, the user can lay flat on the wheelchair, be convenient for have a rest.
In a further description, the connecting column 14 includes adjusting holes, the adjusting holes 141 are disposed on the adjusting column 23, and the number of the adjusting holes 141 is not less than two.
On the spliced pole 14 was located to regulation hole 141, the regulation hole can be used for adjusting the degree of depth that spliced pole 14 inserted the seat support to the realization satisfies not co-altitude user's demand to the regulation of seat support height.
Further, the adjusting column 23 includes a column 231 and a nut 232, the column 231 runs through the adjusting plate 22 and the rotating member 21, the nut 232 is disposed on the column 231, which is far away from the rotating member 21, and the diameter of the nut 232 is greater than that of the column 231, which is pressed by the adjusting plate 22, the nut 232 offsets with the adjusting plate 22, which drives the column 231 to go in and out the limiting hole 13.
The nut 232 mainly plays a role in lifting the cylinder 231, when the adjusting plate 22 is pressed, the adjusting plate 22 can drive the nut 232 to move, and the nut 232 is connected with the cylinder 231, and the diameter of the nut 232 is larger than that of the cylinder 231, so the nut 232 can be offset with the adjusting plate 22 when pressed, the movement of the adjusting plate 22 drives the nut 232 to move, thereby the cylinder 231 is driven to move, and the main body 11 is realized to pass in and out the limiting hole 13 and the through hole 211.
More specifically, the adjusting plate 22 is made of plastic.
In a further description, the rotating member 21 further includes a mounting hole 212, the mounting hole 212 is disposed at an end of the rotating member 21 away from the main body 11, and the mounting hole 212 is used for connecting a chair back.
More specifically, the main body 11 and the rotor 21 are made of stainless steel.
Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.