CN209645366U - A kind of chair mechanism of walk helper and walk helper comprising the chair mechanism - Google Patents
A kind of chair mechanism of walk helper and walk helper comprising the chair mechanism Download PDFInfo
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- CN209645366U CN209645366U CN201821229346.9U CN201821229346U CN209645366U CN 209645366 U CN209645366 U CN 209645366U CN 201821229346 U CN201821229346 U CN 201821229346U CN 209645366 U CN209645366 U CN 209645366U
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- chair mechanism
- walk helper
- extensible member
- extensible
- seat support
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Abstract
The purpose of this utility model is to provide a kind of chair mechanism of walk helper and include the walk helper of the chair mechanism, including cushion unit and Seat support unit, the Seat support unit includes two extensible members arranged in parallel, the chair mechanism further includes the first driver for driving the chair mechanism to be moved forward and backward, extensible member connector is additionally provided between the extensible member, two extensible members, cushion unit, seat support, and extensible member connector, two extensible members, the parallelogram mechanism of seat support composition, the extensible member stretches, the driving of first driver, drive moving up and down for the chair mechanism, the stable operation of back-and-forth motion.The beneficial effects of the utility model are as follows: chair mechanism is small in size, achievees the purpose that walk helper seat minimizes, and easy to adjust；The walk helper for installing this chair mechanism simultaneously can make patient that can obtain buttocks support under any posture.
Description
Technical field
The utility model relates to a kind of chair mechanism, in particular to the chair mechanism of a kind of walk helper and include the seat
The walk helper of mechanism.
Background technique
With the development of science and technology and lower limb disability population is increasing, and the performance and type of walk help tool be continuous
It improves and increases, the walk help tool manual walk helper from the beginning of lower limb disability crowd develops to electronic walk helper and now
Intelligent walk helper；, there is the chair mechanism of various functions and various structures in basic setup of the chair mechanism as walk helper.
Patent publication No. is a kind of chair mechanism of walk helper disclosed in CN103156739B, has used two groups of connecting rod groups
At two groups of parallelogram sturcutres, for solving the stabilization of chair mechanism lifting, structure is relative complex, and occupied space is larger；
Simultaneously because connecting rod is to manually adjust, and there are two groups i.e. four piece connecting rod, when attempting to adjust, need to guarantee four companies
Hack lever adjusting height is consistent, causes to adjust difficult.
A branch of the standing posture walk helper as walk help tool, can allow patient tentatively to complete to take care of oneself, and solve
Conventional sitting posture walk helper patient's sitting is easy the problem of leg muscle atrophy.Standing posture walk helper on the market loses to solve lower limb
The problem of energy crowd should not stand for a long time is providing a kind of this posture of sitting down completely when patient needs rest on walk helper
The chair mechanism of bearing, and when user stands using standing posture walk helper, then cushion unit cannot provide body-support, completely according to
It is in hanging posture by bandage or the fixed user's body of clamp system, buttocks, is used for a long time and is easy to produce muscle abrasion and body
Fatigue.
Summary of the invention
In order to enable the volume of walk helper more minimizes, experience more humanized, it is simple to provide a kind of structure, volume
It is small, it is easy to adjust；And buttocks support can be provided when patient's either sitting posture or standing for the patient using walk helper
Chair mechanism is urgent problem.
The purpose of this utility model is to provide a kind of chair mechanism of walk helper and comprising the walk helper of the mechanism, solve
Structure is complicated for chair mechanism, and occupied space is big, adjusts difficult problem；User is made to include the chair mechanism in use simultaneously
Walk helper any posture under can access buttocks support.
Based on above-mentioned purpose, the technical solution of the utility model is as follows:
A kind of chair mechanism of walk helper, including cushion unit and Seat support unit, Seat support unit one end
Connection cushion unit, other end connecting chair bracket, the seat support and cushion unit are arranged in parallel, the seat branch
Support unit includes two extensible members arranged in parallel, is equipped with extensible member connector between described two extensible members；Described two
A extensible member, seat support and extensible member connector form parallelogram sturcutre；The chair mechanism further includes the first drive
Dynamic device, one end of first driver are connect with any extensible member, and the other end is connect with walk helper.Extensible member and seat
Although the connection at bracket and two extensible members and cushion unit activity is close, there are still tiny connection gaps, to lead
Cause the parallelogram of composition there are subtle unstable, the extensible member connector between described two extensible members is that reduce should
Unstable setting, the setting of the extensible member connector enhances the stability of the chair mechanism operation.This chair mechanism
The setting of first driver is moved forward and backward the chair mechanism, while chair mechanism can be moved along extensible member direction
It is dynamic.
Described two extensible members include fixed link and telescopic rod, and the telescopic rod is socketed in inside the fixed link, institute
Stating telescopic rod can slide up and down along the direction of fixed link.
Wherein, at least one in described two extensible members is active expanders, when only one active expanders, due to
Cushion unit, two extensible members and seat support and extensible member connector, two extensible members and seat support composition parallel four
The structure of side shape, the flexible of active expanders will drive the flexible of another extensible member same degree, realize the chair mechanism
The stable regulation moved up and down；When two extensible members are active expanders, due to the presence of above-mentioned parallelogram sturcutre, need
Guarantee the isometric flexible of two active expanders.
The second driver is equipped with inside the active expanders, the fixing end of second driver and the active are flexible
The fixed link of part is fixedly connected, and the telescopic end of second driver is connected with the telescopic rod of active expanders, and described second
The telescopic rod of the flexible drive active expanders of driver stretches.
The specific set-up mode of extensible member connector are as follows: the extensible member connector includes side plate and two connecting pins；
Two connecting pins are separately fixed on two extensible members；The side plate is fixed on two extensible members by two connecting pins
Side；Preferably, the extensible member connector is arranged between the fixed link of described two extensible members or the extensible member connects
Fitting is arranged between the telescopic rod of described two extensible members.
Telescopic rod is deviate from from fixed link in order to prevent, and the inside top of two fixed link is equipped with stopper；It is described
The bottom outside of two telescopic rods is equipped with stopper.
In order to share the first driver power to be provided, the extensible member and seat support junction are additionally provided with power-assisted torsion
Spring.
Preferably, first driver and second driver can be electric pushrod, electric cylinder or cylinder.
The beneficial effects of the utility model are as follows: the chair mechanism composed structure of the utility model is simple, small in size, reaches
The purpose of walk helper miniaturization, and this chair mechanism is easy to adjust；The back-and-forth motion of first driver drives chair mechanism simultaneously,
Active expanders drive moving up and down for chair mechanism, two extensible members, seat support, cushion units of setting, and stretch
The parallelogram sturcutre that part connector, two extensible members, seat support form, realizes this chair mechanism and moves up and down, is preceding
The stable operation moved afterwards, so that stern can be obtained under any posture using the patient of the walk helper of this chair mechanism
Portion's support.
Below in conjunction with attached drawing to the detailed description of the utility model specific embodiment, those skilled in the art will be more
The above-mentioned and other purposes, advantages and features of the utility model are illustrated.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Example is applied, identical appended drawing reference denotes same or similar part or part in attached drawing, it should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.
In attached drawing:
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the main view of the utility model embodiment one；
Fig. 3 is the sectional view in one direction A-A of the utility model embodiment；
Fig. 4 is the main view of the utility model embodiment two；
Fig. 5 is the schematic diagram of the utility model stopper setting；
Fig. 6 is the schematic diagram that the utility model is mounted on walk helper.
Specific embodiment
It as shown in Figure 1, 2, is the schematic diagram of the utility model chair mechanism, including cushion unit 1, Seat support unit
(including extensible member 2 and extensible member 3), the first driver 4, seat support 5 and extensible member connector 6；Cushion unit 1 and seat branch
Frame 5 is arranged in parallel, and extensible member 2, extensible member 3 are arranged in parallel, and extensible member connector 6 be connected to two extensible members it
Between.Cushion unit 1, extensible member 2, extensible member 3 and seat support 5 and extensible member connector 6, extensible member 2, extensible member 3 and seat
The parallelogram sturcutre that chair bracket 5 forms, realizes the utility model in the first driving of driver 4 and stretching for extensible member
Under contracting, the back-and-forth motion for completing chair mechanism, the stable operation moved up and down.
Each extensible member includes telescopic rod and fixed link, and telescopic rod 21, telescopic rod 31 are socketed in fixed link 22 respectively, consolidate
The inside of fixed pole 32, and telescopic rod 21, telescopic rod 31 can slide up and down respectively along the direction of fixed link 22, fixed link 32；At this
In embodiment one, seat support 5 is hinged with the fixed link 22 of extensible member 2, the fixed link 32 of extensible member 3 respectively；Cushion unit 1 is logical
Cushion hinge 11, cushion hinge 12 is crossed to connect with the telescopic rod 31 of the telescopic rod 21 of extensible member 2, extensible member 3 respectively.
In the present embodiment one, extensible member 2 is passive extensible member, and extensible member 3 is active expanders, and extensible member 2 is preceding
Side, extensible member 3 is at rear；It is of course also possible to which extensible member 2 is active expanders, extensible member 3 is passive extensible member；Alternatively, flexible
Part 2 is active expanders with flexible 3；When only one active expanders, due to cushion unit 1, extensible member 2, stretch
The parallelogram that part 3 and seat support 5 and extensible member connector 6, extensible member 2, extensible member 3 and seat support 5 form
Structure, the flexible of active expanders will drive the flexible of another extensible member same degree, realize and move down on the chair mechanism
Dynamic stable regulation；When two extensible members are active expanders, due to the presence of above-mentioned parallelogram sturcutre, it need to guarantee two
The isometric of a active expanders stretches.Setting of the structure of active expanders and passive extensible member referring to the present embodiment.
Passive extensible member 2 is the connection that extensible member is described above；As shown in figure 3, active expanders 3 are stretched in addition to being described above
Outside the structure of contracting part, the inside of active expanders 3 is additionally provided with the second driver 7, the fixing end and extensible member 3 of the second driver 7
Fixed link 32 be fixedly connected, the telescopic end of the second driver 7 is connected with telescopic rod 31, passes through the flexible of the second driver 7
Driving can drive the flexible of the telescopic rod 31 on extensible member 3.
As shown in Figure 1, 2,4 one end of the first driver is connect by hinge 9 with the fixed link 22 of extensible member 2, and the other end connects
It connects on walk helper, hinge 9 is arranged in figure in the outer right wall of fixed link 22, and certainly, hinge 9 may also be arranged on any solid
On the outer wall of the side or front of fixed pole or telescopic rod.
The connection of herein cushion unit 1 and telescopic rod, the connection of seat support 5 and fixed link, the first driver 4 with stretch
The connection of contracting part is all made of hinge connection in the present embodiment, but is not limited to hinge connection, or other activities such as riveting
Connection type.
In the present embodiment one, extensible member connector 6 is connected between two fixed links, is certainly not limited to be connected to two fixations
Mode between bar can also be to be connected between two telescopic rods in Fig. 4 embodiment two；Extensible member connector includes the in embodiment one
Side plate 61, the second side plate 62, connecting pin 63 and connecting pin 64；The connecting pin 63, connecting pin 64 are each passed through fixed link
22, fixed link 32；First side plate 61 is connect with connecting pin 63 and connecting pin 64 respectively in side；Second side plate 62
It is connect in the other side with connecting pin 63 and connecting pin 64；The side plate can also only have one, be fixed on any the one of two fixed links
Side.
Telescopic rod 21, telescopic rod 31 are deviate from from fixed link 22, fixed link 32 respectively in order to prevent, fixed link 22, fixed link
32 inside top is equipped with stopper；Telescopic rod 21, telescopic rod 31 bottom outside be equipped with stopper.As shown in figure 4, being
The inside of fixed link is arranged in the schematic diagram of stopper setting of the present invention, stopper 81, and the outer of telescopic rod is arranged in stopper 82
Side.
Wherein, the first driver 4 and the second driver 7 can be electric pushrod, electric cylinder or cylinder；While in order to share
The power that first driver 4 provides, extensible member 2, extensible member 3 and 5 junction of seat support are additionally provided with power-assisted torsion spring.
The method of operation of chair mechanism is as follows: chair mechanism during exercise, due to cushion unit 1, extensible member 2, extensible member
3, the parallelogram sturcutre that seat support 5 and extensible member connector 6, extensible member 2, extensible member 3, seat support 5 form,
It ensure that the keeping parallelism of two fixed links all-the-time stable in the process of running；Because fixed link limits the direction of telescopic rod,
To which the telescopic rod of two stretchings remains parallel；Since two telescopic rods are parallel always, so that it is hinged to limit cushion hinge
Rotation at hole, to make extensible member 2 that can only follow 3 isometric contraction of extensible member, also in 7 telescopic process of the second driver
Be chair mechanism during the motion, extensible member 2 and extensible member 3 remain isometric；That is the first driver 4 drives extensible member
2, extensible member 3 and cushion unit 1 rotate before and after seat support 5, and the second driver 7 realizes cushion unit 1 along active expanders
Direction telescopic moving, to realize the adjustment of the position on front and back and up and down direction of cushion unit 1.
Known by parallelogram cor-responding identified theorems, one group of parallel and equal quadrangle of opposite side is parallelogram, so seat
Cushion surface keeps horizontal with seat support bottom surface always during chair mechanism kinematic.
As shown in fig. 6, be the schematic diagram that the utility model is mounted on walk helper 10 because this chair mechanism can simultaneously into
Row front and back, up and down direction movement, therefore lower limb disability person using have the utility model chair mechanism when, can be any
Buttocks support is obtained under posture.
So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein
A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new
The range of type is understood that and regards as to cover all such other variations or modifications.
Claims (10)
1. a kind of chair mechanism of walk helper, including cushion unit and Seat support unit, Seat support unit one end connects
Cushion unit is connect, other end connecting chair bracket, the seat support and cushion unit are arranged in parallel, it is characterised in that:
The Seat support unit includes two extensible members arranged in parallel, is equipped with extensible member between described two extensible members
Connector；
The cushion unit, two extensible members and seat support and extensible member connector, two extensible members and seat support group
At the structure of parallelogram；
The chair mechanism further includes the first driver, and one end of first driver is connect with any extensible member, separately
One end is connect with walk helper.
2. a kind of chair mechanism of walk helper according to claim 1, it is characterised in that: described two extensible members include
Fixed link and telescopic rod, the telescopic rod are socketed in inside the fixed link, and the telescopic rod can be above and below the direction of fixed link
Sliding.
3. a kind of chair mechanism of walk helper according to claim 2, it is characterised in that: the extensible member connector setting
Between the fixed link of described two extensible members or the telescopic rod of described two extensible members is arranged in the extensible member connector
Between.
4. a kind of chair mechanism of walk helper according to claim 1, it is characterised in that: at least one in the extensible member
For active expanders, the flexible drive cushion unit of the active expanders is moved up and down.
5. a kind of chair mechanism of walk helper according to claim 4, it is characterised in that: set inside the active expanders
There is the second driver, the flexible drive of second driver active expanders telescopic rod stretches.
6. a kind of chair mechanism of walk helper according to claim 1, it is characterised in that: the extensible member connector includes
Side plate and two connecting pins；
Two connecting pins are separately fixed on described two extensible members；
The side plate is fixed on the side of described two extensible members by two connecting pins.
7. a kind of chair mechanism of walk helper according to claim 2, it is characterised in that: the top of two fixed links
Inside is equipped with stopper；The bottom outside of two telescopic rods is equipped with stopper.
8. a kind of chair mechanism of walk helper according to claim 5, it is characterised in that: first driver and described
Second driver is electric pushrod, electric cylinder or cylinder.
9. a kind of chair mechanism of walk helper according to claim 1, it is characterised in that: the extensible member and seat support
Junction is equipped with power-assisted torsion spring.
10. a kind of walk helper, including vehicle frame, wheel, it is characterised in that: the walk helper further includes any one of claim 1-9
Chair mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229346.9U CN209645366U (en) | 2018-08-01 | 2018-08-01 | A kind of chair mechanism of walk helper and walk helper comprising the chair mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229346.9U CN209645366U (en) | 2018-08-01 | 2018-08-01 | A kind of chair mechanism of walk helper and walk helper comprising the chair mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209645366U true CN209645366U (en) | 2019-11-19 |
Family
ID=68504844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821229346.9U Active CN209645366U (en) | 2018-08-01 | 2018-08-01 | A kind of chair mechanism of walk helper and walk helper comprising the chair mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209645366U (en) |
-
2018
- 2018-08-01 CN CN201821229346.9U patent/CN209645366U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221121 Address after: 215000 No. 88, Keling Road, science and Technology City, high tech Zone, Suzhou, Jiangsu Patentee after: Suzhou Guoke medical technology development (Group) Co.,Ltd. Address before: 321300 8th floor, Jinzu building, headquarters center, Yongkang City, Jinhua City, Zhejiang Province Patentee before: YONGKANG GUOKE REHABILITATION ENGINEERING TECHNOLOGY Co.,Ltd. |