CN208611160U - A kind of backrest and wheelchair of adjustable angle - Google Patents
A kind of backrest and wheelchair of adjustable angle Download PDFInfo
- Publication number
- CN208611160U CN208611160U CN201820077577.6U CN201820077577U CN208611160U CN 208611160 U CN208611160 U CN 208611160U CN 201820077577 U CN201820077577 U CN 201820077577U CN 208611160 U CN208611160 U CN 208611160U
- Authority
- CN
- China
- Prior art keywords
- backrest
- contact pin
- adjustable angle
- main body
- fixed plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Utility model is related to the backrest and wheelchair of wheelchair technical field more particularly to a kind of adjustable angle.It includes backrest main body, the backrest main body includes the lean rod positioned at two sides, the lower end of lean rod is equipped with interconnecting piece, interconnecting piece, which is equipped with, is used for hinged hinge hole, it further include the fixed plate being arranged in backrest main body two sides outside at least side, the fixed plate is equipped with the jack of several arcs distribution, and the lean rod is connected with adjustment component, and the adjustment component includes the contact pin matched with jack, the fixing piece being flexibly connected with contact pin and the control unit for controlling contact pin movement；Fixing piece is equipped with the loose slot matched with contact pin, and contact pin is located in loose slot and one end stretches out loose slot and is inserted in one of jack.The utility model is by setting adjustment component, so that lean rod can be rotated and be fixed with opposing fixed plate, so that the adjustable angle of backrest main body, easy to operate.
Description
Technical field
The utility model relates to wheelchair technical field more particularly to the backrests and wheelchair of a kind of adjustable angle.
Background technique
With the development of society, people increasingly pay attention to the residual personage of body, a variety of tools for assisting walking are developed,
Such as assist wheelchair, electric wheelchair；However current wheelchair or electric wheelchair, backrest are fixed with wheelchair frame, it cannot
Carrying out angular adjustment cannot recline, be not conducive to good health so that user is always maintained at sitting posture.
Summary of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of backrest of adjustable angle, this is leaned on
Back can adjust tilt angle with respect to wheelchair or other main bodys backward, easy to use.
The another object of the utility model is to provide a kind of wheelchair with adjustable angle backrest, wheelchair use
It is convenient.
A kind of backrest of adjustable angle comprising backrest main body, the backrest main body include the lean rod positioned at two sides, are leaned on
The lower end of bar is equipped with interconnecting piece, and it further includes being arranged in backrest main body two sides at least that interconnecting piece, which is equipped with, which is used for hinged hinge hole,
Fixed plate outside side, the fixed plate are equipped with the jack of several arcs distribution, and the lean rod is connected with adjustment component, described
Adjustment component includes the contact pin matched with jack, the fixing piece being flexibly connected with contact pin and the control for controlling contact pin movement
Unit processed；Fixing piece is equipped with the loose slot matched with contact pin, and contact pin is located in loose slot and one end is stretched out loose slot and is inserted into
One of jack.
Further, the two sides of backrest main body are respectively equipped with fixed plate, and the adjustment component includes the company connecting with lean rod
Fishplate bar, the fixing piece are the connecting cylinder being connected between two connecting plates, and the middle part of the connecting cylinder is equipped with shifting chute, described
Control unit includes fixed link, and one end of fixed link is protruded into shifting chute and connected with corresponding contact pin, and the other end of fixed link stretches out
Shifting chute.
Further, the fixed plate is additionally provided with arc limit slot, and the connecting plate is connected with limited block, the limited block
End be inserted into arc limit slot.
Further, the elastic component for contact pin to be pushed to fixed plate is equipped in connecting cylinder.
Still further, further include the connector being connect with fixed link, and for drawing two connectors to centre
Operating parts.
Further, the operating parts includes knob, and the both ends of knob are connect with the end of two connectors respectively.
Further, the connector is connecting rod, and an end of connecting rod and fixed link are hinged；Connecting rod it is another
End is hinged with knob.Preferably, the middle part of knob is connect by connecting shaft with connecting cylinder.
Further, at least one dowel is equipped between described two lean rods.
A kind of wheelchair, including above-mentioned backrest.
The utility model has the beneficial effects that the utility model allows lean rod relatively fixed by setting adjustment component
Plate is rotated and is fixed, so that the adjustable angle of backrest main body, easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the present embodiment.
Fig. 2 is the schematic diagram that Fig. 1 removes fixed plate and one of connector.
Fig. 3 is the schematic diagram of wheelchair.
Appended drawing reference:
1 --- lean rod；2 --- fixed plate；21 --- jack；22 --- arc limit slot；23 --- limited block；3——
Connecting rod；31 --- fixed link；4 --- knob；5 --- connecting cylinder；51 --- shifting chute；6 --- connecting plate；7 --- connection
Muscle；8 --- contact pin；11 --- interconnecting piece；111 --- hinge hole.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing.As shown in Figure 1 to Figure 3.
Embodiment 1: a kind of backrest of adjustable angle comprising backrest main body, the backrest main body include being located at two sides
Lean rod 1, the lower end of lean rod 1 is equipped with interconnecting piece 11, and interconnecting piece 11, which is equipped with, is used for hinged hinge hole 111, further includes that setting exists
Fixed plate 2 in backrest main body two sides at least outside side, the fixed plate 2 is equipped with the jack 21 of several arcs distribution, described
Lean rod 1 is connected with adjustment component, and the adjustment component includes the contact pin 8 matched with jack 21, consolidates with what contact pin 8 was flexibly connected
Determine part and for controlling the mobile control unit of contact pin 8；Fixing piece is equipped with the loose slot matched with contact pin 8, and contact pin 8 is located at
In loose slot and one end stretches out loose slot and is inserted in one of jack 21.
Lean rod 1 in the technical program is flexibly connected by interconnecting piece 11 with extraneous, the hinge hole 111 of interconnecting piece 11 with
It adjust it opposite can using angle in use, in order to enable angle adjustment is controllable, set here
Fixed plate 2 has been set, fixed plate 2 can be fixedly connected with the device of backrest is used, such as be fixedly connected with the seat body of seat, wheelchair, Gu
Several jacks 21 are provided on fixed board 2, the adjustment component that lean rod 1 connects passes through the cooperation of control contact pin 8 and jack 21, to adjust
Save the angular adjustment of backrest.It when designing fixed plate 2, can be arranged in the side of backrest, can also be arranged in the two sides of backrest.
The backrest can be used for seat, wheelchair, perambulator etc..
Further, the two sides of backrest main body are respectively equipped with fixed plate 2, and the adjustment component includes connecting with lean rod 1
Connecting plate 6, the fixing piece are the connecting cylinder 5 being connected between two connecting plates 6, and the middle part of the connecting cylinder is equipped with shifting chute
51, described control unit includes fixed link 31, and one end of fixed link 31 is protruded into shifting chute 51 and connected with corresponding contact pin 8, fixed
The other end of bar 31 stretches out shifting chute 51.
Two fixed plates 2 are arranged in the technical program, stronger to the fixation of backrest；Two fixed plates 2 respectively with two
Contact pin 8 matches, and limits two contact pins 8 in the technical program using connecting cylinder 5, connecting cylinder 5 and connecting plate 6 can integrally at
Type may be Split connection structure.When seperated, mounting hole can be set on connecting plate 6, installation is inserted into the end of connecting cylinder 5
Hole, and be preferably to be interference fitted.Contact pin 8 is set in connecting cylinder 5 and the control by fixed link 31, and control-rod controls contact pin
Whether 8 move and be inserted into the jack 21 of fixed plate 2.
Further, the fixed plate 2 is additionally provided with arc limit slot 22, and the connecting plate 6 is connected with limited block 23, described
Arc limit slot 22 is inserted into the end of limited block 23.
By the way that arc limit slot 22 is arranged, for limiting the rotation angle of backrest, when specific operation, limited block 23 can be with
For bolt, it is threadingly attached to connecting plate 6.
Further, the elastic component for contact pin 8 to be pushed to fixed plate 2 is equipped in connecting cylinder 5.
After elastic component is arranged, contact pin 8 can be mobile from 21 direction of trend jack, is conveniently equipped with.Elastic component can be spring, bullet
Piece and gas spring etc..
Still further, further including the connector being connect with fixed link 31, and for drawing two connectors to centre
Operating parts.
Connector is drawn to centre by operating parts, so that fixed link 31 is mobile to centre, so that contact pin 8 is fixed
Bar 31 draws to middle part and leaves jack 21, adjusts backrest angle；After adjustment, operating parts discharges connector, in the work of elastic component
Under, contact pin 8 resets；Fixed link 31, which can certainly directly be operated, resets contact pin 8.
Connector can be flexible rope, silk thread etc.；Operating parts can be spooler etc..
Further, the operating parts includes knob 4, and the both ends of knob 4 are connect with the end of two connectors respectively.
By rotating knob 4, so that two connectors are mobile to middle part, and then drive fixed link 31 mobile to middle part.
Further, the connector is connecting rod 3, and an end of connecting rod 3 and fixed link 31 are hinged；Connecting rod 3
The other end and knob 4 it is hinged.Preferably, the middle part of knob 4 is connect by connecting shaft with connecting cylinder.
Connecting rod 3 is set by connector, improves the intensity of connector, guarantees service life.It is rotated by knob 4, band
Dynamic connecting rod 3 is mobile to middle part, and connecting rod 3 drives fixed link 31 and contact pin 8 mobile to middle part, so as to adjust backrest angle.
Further, at least one dowel 7 is equipped between described two lean rods 1.
Setting dowel 7 can reinforce backrest, secondly favorably be leaned on human body.
Embodiment 2: referring to Fig. 3, a kind of wheelchair, including above-mentioned backrest.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (9)
1. a kind of backrest of adjustable angle comprising backrest main body, the backrest main body includes the lean rod positioned at two sides, special
Sign is: the lower end of lean rod is equipped with interconnecting piece, and it further includes being arranged in backrest main body two that interconnecting piece, which is equipped with, which is used for hinged hinge hole,
Fixed plate in side at least outside side, the fixed plate are equipped with the jack of several arcs distribution, and the lean rod is connected with adjustment
Component, the adjustment component include the contact pin matched with jack, the fixing piece being flexibly connected with contact pin and slotting for controlling
The mobile control unit of needle；Fixing piece is equipped with the loose slot matched with contact pin, and contact pin is located in loose slot and one end is stretched out and lives
Dynamic slot is simultaneously inserted in one of jack.
2. a kind of backrest of adjustable angle according to claim 1, it is characterised in that: the two sides of backrest main body are set respectively
There is fixed plate, the adjustment component includes the connecting plate connecting with lean rod, and the fixing piece is to be connected between two connecting plates
Connecting cylinder, the middle part of the connecting cylinder is equipped with shifting chute, and described control unit includes fixed link, and shifting is protruded into one end of fixed link
Dynamic slot is connected with corresponding contact pin, and the other end of fixed link stretches out shifting chute.
3. a kind of backrest of adjustable angle according to claim 2, it is characterised in that: the fixed plate is additionally provided with arc
Limiting slot, the connecting plate are connected with limited block, and arc limit slot is inserted into the end of the limited block.
4. a kind of backrest of adjustable angle according to claim 1, it is characterised in that: be equipped in connecting cylinder for that will insert
Needle pushes the elastic component of fixed plate to.
5. a kind of backrest of adjustable angle according to claim 2, it is characterised in that: further include being connect with fixed link
Connector, and the operating parts for drawing two connectors to centre.
6. a kind of backrest of adjustable angle according to claim 5, it is characterised in that: the operating parts includes knob,
The both ends of knob are connect with the end of two connectors respectively.
7. a kind of backrest of adjustable angle according to claim 5, it is characterised in that: the connector is connecting rod,
One end of connecting rod and fixed link are hinged；The other end of connecting rod and knob are hinged.
8. a kind of backrest of adjustable angle according to claim 1, it is characterised in that: be equipped between described two lean rods
At least one dowel.
9. a kind of wheelchair, it is characterised in that: including any backrest of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077577.6U CN208611160U (en) | 2018-01-17 | 2018-01-17 | A kind of backrest and wheelchair of adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077577.6U CN208611160U (en) | 2018-01-17 | 2018-01-17 | A kind of backrest and wheelchair of adjustable angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208611160U true CN208611160U (en) | 2019-03-19 |
Family
ID=65691324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820077577.6U Expired - Fee Related CN208611160U (en) | 2018-01-17 | 2018-01-17 | A kind of backrest and wheelchair of adjustable angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208611160U (en) |
-
2018
- 2018-01-17 CN CN201820077577.6U patent/CN208611160U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20210117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |