CN209529525U - A kind of wheelchair backrest adjustment structure - Google Patents
A kind of wheelchair backrest adjustment structure Download PDFInfo
- Publication number
- CN209529525U CN209529525U CN201821802818.5U CN201821802818U CN209529525U CN 209529525 U CN209529525 U CN 209529525U CN 201821802818 U CN201821802818 U CN 201821802818U CN 209529525 U CN209529525 U CN 209529525U
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- pushing part
- clamping
- backrest
- wheelchair
- adjustment structure
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Abstract
The utility model belongs to the field of medical instrument technology, in particular to a kind of wheelchair backrest adjustment structure, the backrest includes backrest body and pushing part, pushing part is rotatably provided in backrest body upper end, hinged seat is provided in backrest body, pushing part is hinged with hinged seat, and when user pushes wheelchair to travel forward by pushing part, pushing part is pushed against on hinged seat；When user's rest, pushing part rotates backward inclination, and user head is resisted against on pushing part, wheelchair backrest adjustment structure that is simple, facilitating control and regulation that the purpose of the utility model is to provide a kind of structures.
Description
Technical field
The utility model belongs to the field of medical instrument technology, in particular to a kind of wheelchair backrest adjustment structure.
Background technique
Wheelchair is a kind of common medical instrument, is a kind of important rehabilitation tool, wheelchair it be not only limbs the disabled
With the walking-replacing tool of people with mobility problems, it is often more important that user can carry out physical exercise by wheelchair and participate in social living
Dynamic, wheelchair is a kind of walking-replacing tool and a kind of seat for resting for handicapped people, but currently on the market
The backrest of wheelchair cannot mostly be adjusted, and user leans on uncomfortable when rest.
Summary of the invention
In order to overcome the defects of the prior art, the purpose of this utility model is to provide a kind of structures simply, facilitates control
Make the wheelchair backrest adjustment structure adjusted.
Purpose of the utility model is realized as follows:
A kind of wheelchair backrest adjustment structure, the backrest include backrest body and pushing part, and pushing part is rotatably provided in
Backrest body upper end is provided with hinged seat in backrest body, and pushing part is hinged with hinged seat, pushes when user passes through pushing part
When wheelchair travels forward, pushing part is pushed against on hinged seat；When user's rest, pushing part rotates backward inclination, user
Head is resisted against on pushing part.
It is provided with clamping apparatus on the pushing part, the clamping portion with clamping apparatus cooperation, clamping are provided on hinged seat
When portion and clamping apparatus cooperate, pushing part is relatively fixed with backrest body.
The clamping apparatus includes the handle with the clamping bar of clamping portion cooperation and the movement of control card extension bar, and on pushing part
It is provided with the elastic component of driving card extension bar and clamping portion cooperation.
The clamping bar is slidably arranged on pushing part, and clamping bar one end is provided with the clamping protrusion with clamping portion cooperation,
Elastic component one end is resisted against in clamping protrusion, and the elastic component other end is resisted against on pushing part.
The mounting hole of installation card extension bar is provided on the pushing part, mounting hole one end is provided with the placement of installation elastic component
Slot, elastic component are set on clamping bar, and are clamped protrusion and are slidably arranged in resettlement groove.
The handle is flexibly connected with clamping bar, and driving portion is provided on handle, when user drives handle motion, is driven
Dynamic portion is resisted against on hinged seat, and driving card extension bar and shackle portion from.
It is provided with cushion on the pushing part, when pushing part rotates backward, cushion is tilted backwards.
The backrest body includes frame and the back cushion that is fixed on frame, and back cushion and cushion integral type are arranged, and work as
When pushing part and backrest body relatively rotate, cushion and pushing part are rotated synchronously.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1, backrest described in the utility model includes backrest body and pushing part, and pushing part is rotatably provided in backrest body
End, pushing part can rotate relative to backrest body and adjust, and adjust pushing part convenient for user, be provided in backrest body hinged
Seat, pushing part is hinged with hinged seat, and when user pushes wheelchair to travel forward by pushing part, pushing part is pushed against hinged seat
On, which is conducive to the stress between pushing part and hinged seat, convenient for pushing wheel chair sport by pushing part；When user stops
When breath, pushing part rotates backward inclination, and user head is resisted against on pushing part, convenient for improving the comfort of wheelchair.
2, it is provided with clamping apparatus on pushing part described in the utility model, is provided on hinged seat and clamping apparatus cooperation
When clamping portion, clamping portion and clamping apparatus cooperate, pushing part is relatively fixed with backrest body, which avoids pushing away in use process
Dynamic portion is freely rotated with backrest body, and convenient for users to by pushing part promotion wheel chair sport, clamping apparatus includes and clamping portion
The handle of clamping bar and control card the extension bar movement of cooperation, pushing part for user-friendly control and backrest body are relatively rotated, are pushed away
The elastic component of driving card extension bar and clamping portion cooperation is provided in dynamic portion, avoid being clamped in use process bar and shackle portion from,
Influence user's normal use.
3, clamping bar described in the utility model is slidably arranged on pushing part, and clamping bar one end is provided with to be cooperated with clamping portion
Clamping protrusion, elastic component one end be resisted against clamping protrusion on, the elastic component other end is resisted against on pushing part, and structure is simple, just
In the smooth motion of clamping bar；The mounting hole of installation card extension bar is provided on the pushing part, mounting hole one end is provided with installation
The resettlement groove of elastic component, elastic component are set on clamping bar, and are clamped protrusion and are slidably arranged in resettlement groove, and use process is avoided
Middle sundries enters resettlement groove, reduces failure, prolongs the service life；Handle is flexibly connected with clamping bar, and driving is provided on handle
Portion, when user drives handle motion, driving portion is resisted against on hinged seat, and driving card extension bar and shackle portion are from structure
Simply, and convenient card extension bar automatically resets.
4, it is provided with cushion on pushing part described in the utility model, when pushing part rotates backward, cushion retreats
Tiltedly, headrest portion position is adjusted convenient for user to rest；Backrest body includes frame and the back cushion that is fixed on frame, back cushion
It is arranged with cushion integral type, and when pushing part and backrest body relatively rotate, cushion and pushing part are rotated synchronously, structure
Simply, production is facilitated to install.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the using state structure diagram of the utility model；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is pushing part and backrest body attachment structure schematic diagram in the utility model；
Fig. 5 is the structural schematic diagram of hinged seat in the utility model；
Fig. 6 is the structural schematic diagram of handle in the utility model；
Fig. 7 is the structural schematic diagram of mounting base in the utility model；
Fig. 8 is the structural schematic diagram that bar is clamped in the utility model.
Figure label meaning:
1- backrest body；The pushing part 2-；3- back cushion；4- cushion；5- hinged seat；6- handle；7- is clamped bar；
8- elastic component；11- frame；21- mounting base；22- mounting hole；23- resettlement groove；51- abutting part；
The clamping portion 52-；61- driving portion；62- loose slot；71- clamping protrusion；72- round end.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing:
As shown in Fig. 1 to Fig. 8, a kind of wheelchair backrest adjustment structure, the backrest includes backrest body 1 and pushing part 2, is pushed away
Dynamic portion 2 is rotatably provided in 1 upper end of backrest body, and pushing part 2 can rotate relative to backrest body 1 and adjust, and is convenient for user's tune
Whole pushing part 2 is preferably detachably provided with hinged seat 5 convenient for users to adjusting pushing part 2 in backrest body 1, on pushing part 2
Detachably there is a mounting base 21, mounting base 21 and hinged seat 5 are hinged, facilitate the production of backrest body 1 and pushing part 2 to install, when making
When user pushes wheelchair to travel forward by pushing part 2, mounting base 21 are pushed against on hinged seat 5, which is conducive to push
Stress between portion 2 and hinged seat 5, convenient for pushing wheel chair sport by pushing part 2；When user's rest, pushing part 2 to
Rotation inclination afterwards, user head is resisted against on pushing part 2, rests on wheelchair convenient for user.
The utility model needs to be provided with clamping apparatus in the mounting base 21, is provided in mounting base 21 and clamping apparatus
When the clamping portion 52 of cooperation, clamping portion 52 and clamping apparatus cooperate, pushing part 2 and backrest body 1 are relatively fixed, which keeps away
Exempt from pushing part 2 in use process to be freely rotated with backrest body 1, convenient for users to pushing wheel chair sport by pushing part 2, preferably
Clamping apparatus includes the handle 6 that the clamping bar 7 cooperated with clamping portion 52 and control card extension bar 7 move, for user-friendly control to push away
Dynamic portion 2 is relatively rotated with backrest body 1, and the elastic component 8 of driving card extension bar 7 and the cooperation of clamping portion 52 is provided on pushing part 2, is kept away
Exempt from clamping bar 7 in use process to separate with clamping portion 52, influences user's normal use.
The preferred elastic component 8 of the utility model is compressed spring, and clamping bar 7 is slidably arranged on pushing part 2, is clamped bar 7 one
End be provided with clamping portion 52 cooperate clamping protrusion 71, compressed spring be set in clamping bar 7 on, and 8 one end of elastic component against
In clamping protrusion 71,8 other end of elastic component is resisted against on pushing part 2, which is convenient for the installation of compressed spring, is preferably clamped
Raised 71 ends are provided with round end 72, facilitate the cooperation of clamping protrusion 71 with clamping portion 52, are provided with peace in the mounting base 21
Be loaded the mounting hole 22 of extension bar 7, and 22 one end of mounting hole is provided with the resettlement groove 23 of installation elastic component 8, and is clamped protrusion 71 and slides
It is arranged in resettlement groove 23, avoids sundries in use process from entering resettlement groove 23, reduce failure, prolong the service life；Handle 6 with
It is clamped bar 7 to be flexibly connected, sliding groove is provided on handle 6, clamping bar 7 is connect by fastener with handle 6, and 6 two sides of handle are set
It is equipped with driving portion 61,5 two sides of hinged seat are provided with the abutting part 51 cooperated with driving portion 61, when user drives handle 6 to move
When, driving portion 61 is resisted against on abutting part 51, makes to be clamped bar 7 and 52 relative motion of clamping portion, and driving card extension bar 7 and clamping portion
52 separation, structure is simple, and convenient card extension bar 7 automatically resets.
It is provided with cushion 4 on the pushing part 2, when pushing part 2 rotates backward, cushion 4 is tilted backwards, convenient for making
User adjusts headrest portion position and rests；Backrest body 1 includes frame and the back cushion 3 being fixed on frame, back cushion 3 and headrest
The setting of 4 integral types is padded, and when pushing part 2 and backrest body 1 relatively rotate, cushion 4 and pushing part 2 are rotated synchronously, preferably
Back cushion 3 is made with cushion 4 of same cloth, and structure is simple, and production is facilitated to install.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of wheelchair backrest adjustment structure, it is characterised in that: the backrest includes backrest body (1) and pushing part (2), is pushed
Portion (2) is rotatably provided in backrest body (1) upper end, is provided with hinged seat (5) in backrest body (1), pushing part (2) and hinged
Hingedly, when user pushes wheelchair to travel forward by pushing part (2), pushing part (2) are pushed against on hinged seat (5) seat (5)；
When user's rest, pushing part (2) rotate backward inclination, and user head is resisted against on pushing part (2).
2. a kind of wheelchair backrest adjustment structure according to claim 1, it is characterised in that: be arranged on the pushing part (2)
There is clamping apparatus, the clamping portion (52) with clamping apparatus cooperation is provided on hinged seat (5), clamping portion (52) match with clamping apparatus
When conjunction, pushing part (2) and backrest body (1) are relatively fixed.
3. a kind of wheelchair backrest adjustment structure according to claim 2, it is characterised in that: the clamping apparatus includes and card
The clamping bar (7) of socket part (52) cooperation and the handle (6) of control card extension bar (7) movement, and driving card is provided on pushing part (2)
The elastic component (8) of extension bar (7) and clamping portion (52) cooperation.
4. a kind of wheelchair backrest adjustment structure according to claim 3, it is characterised in that: clamping bar (7) sliding is set
It sets on pushing part (2), clamping bar (7) one end is provided with, elastic component (8) one raised (71) with the clamping of clamping portion (52) cooperation
End is resisted against on clamping raised (71), and elastic component (8) other end is resisted against on pushing part (2).
5. a kind of wheelchair backrest adjustment structure according to claim 4, it is characterised in that: be arranged on the pushing part (2)
There is the mounting hole (22) of installation card extension bar (7), mounting hole (22) one end is provided with the resettlement groove (23) of installation elastic component (8), bullet
Property part (8) be set in clamping bar (7), and be clamped raised (71) and be slidably arranged in resettlement groove (23).
6. a kind of wheelchair backrest adjustment structure according to claim 3 or 4 or 5, it is characterised in that: the handle (6) with
It is clamped bar (7) to be flexibly connected, is provided with driving portion (61) on handle (6), when user drives handle (6) movement, driving portion
(61) it is resisted against on hinged seat (5), and driving card extension bar (7) is separated with clamping portion (52).
7. a kind of wheelchair backrest adjustment structure described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that: the promotion
Cushion (4) are provided in portion (2), when pushing part (2) rotate backward, cushion (4) is tilted backwards.
8. a kind of wheelchair backrest adjustment structure according to claim 7, it is characterised in that: the backrest body (1) includes
Frame (11) and the back cushion (3) being fixed on frame (11), back cushion (3) and cushion (4) integral type are arranged, and work as pushing part
(2) when relatively rotating with backrest body (1), cushion (4) and pushing part (2) are rotated synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802818.5U CN209529525U (en) | 2018-11-02 | 2018-11-02 | A kind of wheelchair backrest adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802818.5U CN209529525U (en) | 2018-11-02 | 2018-11-02 | A kind of wheelchair backrest adjustment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209529525U true CN209529525U (en) | 2019-10-25 |
Family
ID=68247884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821802818.5U Active CN209529525U (en) | 2018-11-02 | 2018-11-02 | A kind of wheelchair backrest adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209529525U (en) |
-
2018
- 2018-11-02 CN CN201821802818.5U patent/CN209529525U/en active Active
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