CN211485309U

CN211485309U - But height-adjusting just to wheelchair seat structure of different crowds

Info

Publication number: CN211485309U
Application number: CN201922367858.2U
Authority: CN
Inventors: 王慧; 陈俊
Original assignee: Danyang Sunco Machinery Co ltd
Current assignee: Danyang Sunco Machinery Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-15
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to a wheelchair technical field just discloses a but height-adjusting just wheelchair seat structure to different crowds, including two frames, two movable mounting has the bracing piece between the frame, the bottom fixed mounting of bracing piece has according to the clamping ring, two just be located the below fixed mounting of bracing piece between the frame and have the chassis, the top movable mounting of chassis has the blotter, the equal fixed mounting in the left and right sides of bracing piece has the seat connecting axle, one side fixed mounting that the bracing piece was kept away from to the seat connecting axle has fixing bolt, two the enhancement transition trepanning has all been seted up to one side that the frame deviates from mutually. This but height-adjusting just to different crowds ' wheelchair seat structure through setting up the seat connecting axle, has made things convenient for different crowds ' use, lets not sit on the wheelchair more comfortable with the user of height to user's position of sitting has been standardized, the security that has improved the wheelchair.

Description

But height-adjusting just to wheelchair seat structure of different crowds

Technical Field

The utility model relates to a wheelchair technical field specifically is a but height-adjusting just to different crowds' wheelchair seat structure.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual folding wheelchairs and is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons.

The wheelchair on the market is of various types, can be divided into aluminum alloy and light material and steel according to the material, if can be divided into ordinary wheelchair and special wheelchair according to the type, but traditional wheelchair seat structure is fixed, is difficult to change the height of seat, and the different use of height can't reach the best comfortable effect after sitting to the position of sitting is not normal, has increased accident's emergence probability, and the safety effect is not good, so provides an adjustable height and to different crowds ' wheelchair seat structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an adjustable height just to different crowds ' wheelchair seat structure possesses height-adjustable and advantage such as security performance height, has solved traditional wheelchair seat structural fixation, is difficult to the height that changes the seat, and the different use of height is sat and is gone after can't reach the comfortable effect of best to the position of sitting is not normal, has increased accident's emergence probability, the not good problem of security effect.

(II) technical scheme

For the purpose that realizes above-mentioned height-adjustable and security performance is high, the utility model provides a following technical scheme: a height-adjustable wheelchair seat structure aiming at different crowds comprises two frames, a supporting rod is movably mounted between the two frames, a pressing ring is fixedly mounted at the bottom of the supporting rod, a bottom frame is fixedly mounted between the two frames and below the supporting rod, a cushion pad is movably mounted at the top of the bottom frame, seat connecting shafts are fixedly mounted on the left side and the right side of the supporting rod, a fixing bolt is fixedly mounted on one side, away from the supporting rod, of each seat connecting shaft, a reinforcing transition sleeve hole is formed in one side, away from the supporting rod, of each frame, a locking nut is movably mounted inside the reinforcing transition sleeve hole, a fixing flange is fixedly mounted on one side, away from the fixing bolt, of each locking nut, an outer cylinder is fixedly mounted at the top of the bottom frame, a threaded rod is movably mounted inside the outer cylinder, and a soft anti-collision, the inside of outer jar and the outside movable mounting that is located the threaded rod have a pressure reed, the bottom of pressure reed and the outside fixed mounting that is located the threaded rod have the spring.

Preferably, the top of blotter is seted up flutedly, the diameter of clamping ring is less than the diameter of recess, and the blotter is located clamping ring under.

Preferably, one side of the connecting shaft, which is far away from the supporting rod, is movably connected with one side of the two frames, which is opposite to the two frames, and the two reinforcing transition sleeve holes are arranged on one side of the two frames, which is far away from the two frames, at equal intervals.

Preferably, one end of the locking nut, which is close to the fixing bolt, penetrates through the reinforcing transition sleeve hole and extends to the inside of the fixing bolt, and the locking nut is in threaded connection with the fixing bolt.

Preferably, the bottom end of the outer cylinder penetrates through the underframe and extends to the inside of the underframe, and the bottom end of the threaded rod penetrates through the soft crash pad and the outer cylinder in sequence and extends to the inside of the outer cylinder.

Preferably, the pressure spring piece is movably arranged in the outer cylinder, and the bottom end of the spring is fixedly connected with the inner wall of the outer cylinder.

(III) advantageous effects

Compared with the prior art, the utility model provides a but height-adjusting just possesses following beneficial effect to different crowds' wheelchair seat structure:

the height-adjustable wheelchair seat structure aiming at different crowds is characterized in that the height of the seat is adjusted by changing the height of the supporting rod through arranging the seat connecting shaft when the height of the wheelchair seat is required to be changed, only the fixing flange needs to be twisted when the height of the wheelchair seat is adjusted, the fixing flange drives the locking nut when the fixing flange is twisted, one side, close to the fixing bolt, of the locking nut rotates inside the fixing bolt, so that the locking nut is separated from the fixing bolt, after the locking nuts on two sides are separated from the limit of the fixing bolt, the supporting rod can be moved upwards or downwards to adjust the height of the seat, after the position of the supporting rod is determined, the locking nut is twisted into the fixing bolt to be fixed, so that the seat of the wheelchair can be adjusted, the use of different crowds is facilitated, and users without height can sit on the wheelchair more comfortably, and normalized user's position of sitting, the security of wheelchair has been improved, and through setting up the blotter, when the user sits on the wheelchair, will make the bracing piece push down, let the pressing ring push down to the top of blotter, push down the blotter, thereby drive the threaded rod and push down, will drive the pressure reed when the threaded rod pushes down and push down, thereby let the spring push down and cushion the power of pushing down, owing to be the flexonics, so can effectual reduction object the loss, and can improve certain comfort level and security.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at the position A of the present invention;

fig. 3 is a front sectional view of the cushion pad of the present invention.

In the figure: the vehicle seat comprises a frame 1, a support rod 2, a pressing ring 3, a bottom frame 4, a cushion 5, a seat connecting shaft 6, a fixing bolt 7, a reinforcing transition sleeve hole 8, a fixing flange 9, a locking nut 10, an outer cylinder 11, a threaded rod 12, a soft anti-collision cushion 13, a pressure spring piece 14 and a spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a height-adjustable wheelchair seat structure for different people comprises two vehicle frames 1, a support rod 2 is movably mounted between the two vehicle frames 1, a pressing ring 3 is fixedly mounted at the bottom of the support rod 2, an underframe 4 is fixedly mounted between the two vehicle frames 1 and below the support rod 2, a cushion 5 is movably mounted at the top of the underframe 4, a groove is formed at the top of the cushion 5, the diameter of the pressing ring 3 is smaller than that of the groove, the cushion 5 is positioned under the pressing ring 3, seat connecting shafts 6 are fixedly mounted at the left side and the right side of the support rod 2, a fixing bolt 7 is fixedly mounted at one side of the seat connecting shaft 6 away from the support rod 2, a reinforced transition sleeve hole 8 is formed at one side of the two vehicle frames 1 which is far away from the support rod 2, and one side of the connecting shaft 6 away from the support rod, two reinforced transition sleeve holes 8 are respectively arranged on one side of two frames 1 which are deviated from each other at equal intervals, a locking nut 10 is movably arranged in the reinforced transition sleeve holes 8, one end of the locking nut 10 close to a fixing bolt 7 penetrates through the reinforced transition sleeve holes 8 and extends into the fixing bolt 7, the locking nut 10 is in threaded connection with the fixing bolt 7, a fixing flange 9 is fixedly arranged on one side of the locking nut 10 far away from the fixing bolt 7, an outer cylinder 11 is fixedly arranged at the top of the underframe 4, a threaded rod 12 is movably arranged in the outer cylinder 11, a soft crash pad 13 is fixedly arranged at the top of the outer cylinder 11, the bottom end of the outer cylinder 11 penetrates through the underframe 4 and extends into the underframe 4, the bottom end of the threaded rod 12 sequentially penetrates through the soft crash pad 13 and the outer cylinder 11 and extends into the outer cylinder 11, a pressure spring piece 14 is movably arranged in the outer cylinder 11 and positioned outside the threaded rod, the bottom of the pressure spring piece 14 and the outer side of the threaded rod 12 are fixedly provided with a spring 15, the pressure spring piece 14 is movably arranged in the outer cylinder 11, the bottom end of the spring 15 is fixedly connected with the inner wall of the outer cylinder 11, when the height of the wheelchair seat needs to be changed, the height of the supporting rod 2 needs to be changed to adjust the height of the seat, only the fixing flange 9 needs to be twisted when adjusting, the fixing flange 9 drives the locking nut 10 when twisting, so that one side of the locking nut 10 close to the fixing bolt 7 rotates in the fixing bolt 7, the locking nut 10 is separated from the fixing bolt 7, after the locking nuts 10 on the two sides are separated from the limit of the fixing bolt 7, the supporting rod 2 can be moved upwards or downwards to adjust the height of the seat, after the position of the supporting rod 2 is determined, the locking nut 10 is twisted into the fixing bolt 7 for fixing, just so can adjust the seat of wheelchair, different crowds 'use has been made things convenient for, let sit on the wheelchair more comfortablely without the user of height, and user's position of sitting has been standardized, the security of wheelchair has been improved, and through setting up blotter 5, when the user sits on the wheelchair, will make bracing piece 2 push down, let pressing ring 3 push down to the top of blotter 5, push down blotter 5, thereby drive threaded rod 12 and push down, will drive pressure spring piece 14 when threaded rod 12 pushes down and push down, thereby let spring 15 push down and cushion the power of pushing down, owing to be the flexonics, so can effectual reduction object the loss, and can improve certain comfort level and security.

When the height of the wheelchair seat is required to be changed, the height of the seat is required to be adjusted by changing the height of the supporting rod 2, when the height of the wheelchair seat is required to be adjusted, only the fixing flange 9 needs to be twisted, the fixing flange 9 drives the locking nut 10 when being twisted, one side, close to the fixing bolt 7, of the locking nut 10 rotates inside the fixing bolt 7, so that the locking nut 10 is separated from the fixing bolt 7, after the locking nuts 10 on the two sides are separated from the limit of the fixing bolt 7, the supporting rod 2 can be moved upwards or downwards to adjust the height of the seat, after the position of the supporting rod 2 is determined, the locking nut 10 is twisted inside the fixing bolt 7 to be fixed, when a user sits on the wheelchair, the supporting rod 2 is pressed downwards, the pressing ring 3 is pressed to be above the cushion 5, the cushion 5 is pressed downwards, so that the threaded rod 12 is driven to be pressed downwards, when the threaded rod 12 is pressed down, the pressure spring piece 14 is driven to press down, so that the spring 15 is pressed down to buffer the pressing force.

In summary, according to the wheelchair seat structure with adjustable height and for different people, by arranging the seat connecting shaft 6, when the height of the wheelchair seat needs to be changed, the height of the seat needs to be adjusted by changing the height of the supporting rod 2, only the fixing flange 9 needs to be twisted during adjustment, the fixing flange 9 drives the lock nut 10 during twisting, so that one side of the lock nut 10 close to the fixing bolt 7 rotates inside the fixing bolt 7, and the lock nut 10 is separated from the fixing bolt 7, after the lock nuts 10 at both sides are separated from the limit of the fixing bolt 7, the supporting rod 2 can be moved upwards or downwards to adjust the height of the seat, after the position of the supporting rod 2 is determined, the lock nut 10 is twisted into the fixing bolt 7 to be fixed, so that the seat of the wheelchair can be adjusted, the wheelchair has the advantages that the wheelchair is convenient to use by different people, a user who does not need to be high can sit on the wheelchair more comfortably, the sitting posture of the user is standardized, the safety of the wheelchair is improved, the cushion 5 is arranged, when the user sits on the wheelchair, the supporting rod 2 is pressed downwards, the pressing ring 3 is pressed to the position above the cushion 5, the cushion 5 is pressed downwards, the threaded rod 12 is driven to be pressed downwards, the pressing spring piece 14 is driven to be pressed downwards when the threaded rod 12 is pressed downwards, the spring 15 is pressed downwards to buffer the pressing force, due to the flexible contact, the loss of objects can be effectively reduced, certain comfort level and safety can be improved, the problem that the conventional wheelchair seat is fixed in structure, the height of the seat is difficult to change, the optimal comfortable effect cannot be achieved after different users sit on the wheelchair and the sitting posture is not standard is solved, the occurrence probability of accidents is increased, and the safety effect is not good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but height-adjusting just to different crowds' wheelchair seat structure, includes two frames (1), its characterized in that: the bicycle frame comprises two frames (1), a supporting rod (2) is movably mounted between the two frames (1), a pressing ring (3) is fixedly mounted at the bottom of the supporting rod (2), a chassis (4) is fixedly mounted between the two frames (1) and positioned below the supporting rod (2), a cushion pad (5) is movably mounted at the top of the chassis (4), seat connecting shafts (6) are fixedly mounted at the left side and the right side of the supporting rod (2), a fixing bolt (7) is fixedly mounted at one side, away from the supporting rod (2), of the seat connecting shafts (6), a reinforcing transition sleeve hole (8) is formed at one side, away from the supporting rod (2), of the two frames (1), a locking nut (10) is movably mounted inside the reinforcing transition sleeve hole (8), a fixing flange (9) is fixedly mounted at one side, away from the fixing bolt (7), an outer cylinder (11) is fixedly mounted at the top of the, the inside movable mounting of outer jar (11) has threaded rod (12), the top fixed mounting of outer jar (11) has soft crashproof pad (13), the inside of outer jar (11) and the outside movable mounting that is located threaded rod (12) have pressure spring piece (14), the outside fixed mounting that the bottom of pressure spring piece (14) just is located threaded rod (12) has spring (15).

2. A height adjustable wheelchair seat structure as claimed in claim 1, wherein: the top of blotter (5) is seted up flutedly, the diameter of clamping ring (3) is less than the diameter of recess, and blotter (5) are located clamping ring (3) under.

3. A height adjustable wheelchair seat structure as claimed in claim 1, wherein: one side of the connecting shaft (6) far away from the supporting rod (2) is movably connected with one side of the two frames (1) opposite to each other, and the two reinforced transition sleeve holes (8) are arranged on one side of the two frames (1) away from each other at equal intervals.

4. A height adjustable wheelchair seat structure as claimed in claim 1, wherein: one end, close to the fixing bolt (7), of the locking nut (10) penetrates through the reinforcing transition sleeve hole (8) and extends to the inside of the fixing bolt (7), and the locking nut (10) is in threaded connection with the fixing bolt (7).

5. A height adjustable wheelchair seat structure as claimed in claim 1, wherein: the bottom end of the outer cylinder (11) penetrates through the bottom frame (4) and extends to the inside of the bottom frame (4), and the bottom end of the threaded rod (12) penetrates through the soft anti-collision pad (13) and the outer cylinder (11) in sequence and extends to the inside of the outer cylinder (11).

6. A height adjustable wheelchair seat structure as claimed in claim 1, wherein: the pressure reed (14) is movably arranged in the outer cylinder (11), and the bottom end of the spring (15) is fixedly connected with the inner wall of the outer cylinder (11).