CN215081067U - Height-adjustable locking and unlocking mechanism of electric wheelchair - Google Patents
Height-adjustable locking and unlocking mechanism of electric wheelchair Download PDFInfo
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- CN215081067U CN215081067U CN202121681277.7U CN202121681277U CN215081067U CN 215081067 U CN215081067 U CN 215081067U CN 202121681277 U CN202121681277 U CN 202121681277U CN 215081067 U CN215081067 U CN 215081067U
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Abstract
The utility model belongs to the field of electric wheelchairs, in particular to a height-adjustable electric wheelchair locking and unlocking mechanism, which comprises a seat and a limiting groove, wherein the bottom of the seat is provided with a lifting mechanism, the outer side of the lifting mechanism is provided with a connecting frame, the lateral side of the connecting frame is provided with a fixing frame, a connecting shaft penetrates through the outer side of the fixing frame, the outer side of the connecting shaft is connected with a control rod, the end part of the control rod is provided with a guide rod, the limiting groove is connected with the outer side of the guide rod, the outer side of the limiting groove is connected with a clamping rod, a spring penetrates through the outer side of the clamping rod, the end part of the clamping rod is connected with a rotating shaft, and the lateral side of the seat is provided with a supporting mechanism; the utility model discloses be provided with elevating system, can be nimble stable carry out not co-altitude mixture control, better adaptation different users' user demand, and equipment can advance locking and unblock in a flexible way, is convenient for carry out the braking operation, prevents the condition of slipperiness, has promoted the safety of using.
Description
Technical Field
The utility model relates to an electronic wheelchair field specifically is an electronic wheelchair locking release mechanism with adjustable height.
Background
The electric wheelchair is usually composed of a motor, a storage battery, a control system, wheels, a seat, armrests, pedals and the like, can be operated by a rider or a caregiver, is driven by one or more motors, is supported by the seat, is formed by superposing a high-performance energy power driving device, an intelligent operating device, a battery and other components on the basis of the traditional manual wheelchair, is formed by transformation and upgrading, is provided with a manual operation intelligent controller, and has various and multifunctional different novel electric wheelchairs according to the requirements of users.
Most of the existing electric wheelchairs can not be conveniently and fast adjusted in height, emergency manual braking can not be well performed, locking and unlocking operations are inconvenient, and the problem of certain influence on use is solved.
Therefore, a height-adjustable electric wheelchair locking and unlocking mechanism is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the not enough of prior art, solved most can not conveniently carry out altitude mixture control, and can not be fine carry out urgent manual braking, locking unblock operation is inconvenient, has the problem of certain influence to the use.
The utility model provides a technical scheme that its technical problem adopted is: a height-adjustable electronic wheelchair locking and unlocking mechanism, including seat and spacing groove, the bottom of seat is provided with elevating system, and elevating system's the outside is provided with the link to the avris of link is provided with the mount, the connecting axle has been run through in the outside of mount, and the outside of connecting axle is connected with the control lever, and the tip of control lever is provided with the guide arm.
Preferably, the limiting groove is connected to the outer side of the guide rod, the outer side of the limiting groove is connected with the clamping rod, the spring penetrates through the outer side of the clamping rod, the end portion of the clamping rod is connected with the rotating shaft, and the supporting mechanism is arranged on the side of the seat.
Preferably, the lifting mechanism comprises a screw, a fixed platform and a limiting rod, the fixed platform is arranged on the outer side of the screw, and the limiting rod is arranged at the top of the fixed platform.
Preferably, the seat passes through and constitutes elevation structure between screw rod and the fixed station, and parallel arrangement each other between fixed station and the gag lever post.
Preferably, the rotating shaft forms a clamping structure with the fixing frame through the clamping rod, and the clamping rod forms a transmission structure with the control rod through the limiting groove.
Preferably, the supporting mechanism comprises a chair back, a movable shaft and a supporting plate, the movable shaft is arranged on the outer side of the chair back, and the supporting plate is connected to the outer side of the movable shaft.
Preferably, the support plate forms a rotating structure through the movable shafts, and the movable range of the support plate is 0-90 degrees.
The utility model discloses an useful part lies in:
1. the utility model is provided with a seat, when the device is used, the bottom electric shaft is controlled to rotate, the fixed platform is controlled to rotate, the top seat can be lifted and adjusted along the limiting rod, the height adjustment can be flexibly and stably carried out, the use requirements of different users can be effectively met, the use comfort is ensured, the operation is convenient, the use is facilitated, then after the sliding, the outer control rod is pulled to rotate upwards and stand around the connecting shaft, the convenient control clamping rod and the rotating shaft are mutually clamped and fixed, the rotating and fixing of the rotating shaft can be stably carried out, the device can directly lock the rear wheel, the fixing and moving of the device can be conveniently controlled, the control rod is pushed downwards when the device needs to move, the guide rod drives the limiting groove to recover, the spring is matched to stretch along the clamping rod, the clamping rod and the rotating shaft can be effectively and stably controlled to be separated from each other, the wheelchair unlocking operation is carried out, so that the equipment can be normally moved and used, the operation is convenient and stable, the equipment can be effectively ensured to be stably stopped when needed, the vehicle sliding condition is prevented, and the use safety is improved;
2. the utility model discloses be provided with supporting mechanism, later normally promote or the in-process of traveling by oneself, if collision or misoperation appear, when arousing the whole condition of heeling back of equipment to appear, the backup pad at rear can in time be around the loose axle along with gravity open the operation, support the operation to the back of the chair rear side with this convenient stability, furthest protects user back and back head, reduce and appear with the condition of ground direct contact, the security and the stability of equipment usage have been improved greatly, the effectual danger that collision occurence of failure caused that has reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective structure of an embodiment;
FIG. 2 is a schematic structural diagram of a second lifting mechanism according to an embodiment;
FIG. 3 is a schematic view of the connection between the shaft and the rod according to the second embodiment;
in the figure: 1. a seat; 2. a lifting mechanism; 201. a screw; 202. a fixed table; 203. a limiting rod; 3. a connecting frame; 4. a fixed mount; 5. a connecting shaft; 6. a control lever; 7. a guide bar; 8. a limiting groove; 9. a clamping rod; 10. a spring; 11. a rotating shaft; 12. a support mechanism; 1201. a chair back; 1202. a movable shaft; 1203. and a support plate.
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 efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-2, a height-adjustable locking and unlocking mechanism for an electric wheelchair includes a seat 1, a lifting mechanism 2, a connecting frame 3, a fixing frame 4, a connecting shaft 5, a control rod 6, a guide rod 7, a limiting groove 8, a clamping rod 9, a spring 10, a rotating shaft 11 and a supporting mechanism 12, wherein the lifting mechanism 2 is arranged at the bottom of the seat 1, the connecting frame 3 is arranged on the outer side of the lifting mechanism 2, the fixing frame 4 is arranged on the side of the connecting frame 3, the connecting shaft 5 penetrates through the outer side of the fixing frame 4, the control rod 6 is connected to the outer side of the connecting shaft 5, and the guide rod 7 is arranged at the end of the control rod 6;
the lifting mechanism 2 comprises a screw 201, a fixed platform 202 and a limiting rod 203, the fixed platform 202 is arranged on the outer side of the screw 201, and the limiting rod 203 is arranged at the top of the fixed platform 202;
Example two
Referring to fig. 1 and 3, in a first comparative example, as another embodiment of the present invention, a limiting groove 8 is connected to the outer side of a guide rod 7, a clamping rod 9 is connected to the outer side of the limiting groove 8, a spring 10 penetrates through the outer side of the clamping rod 9, a rotating shaft 11 is connected to the end of the clamping rod 9, and a supporting mechanism 12 is disposed at the side of a seat 1;
the rotating shaft 11 forms a clamping structure with the fixing frame 4 through the clamping rod 9, and the clamping rod 9 forms a transmission structure with the control rod 6 through the limiting groove 8, so that the clamping rod 9 and the rotating shaft 11 can be effectively and stably controlled to be separated from each other, and the wheelchair unlocking operation is carried out;
the supporting mechanism 12 comprises a chair back 1201, a movable shaft 1202 and a supporting plate 1203, wherein the movable shaft 1202 is arranged outside the chair back 1201, and the supporting plate 1203 is connected outside the movable shaft 1202;
the supporting plate 1203 forms a rotating structure through the movable shaft 1202, the movable range of the supporting plate 1203 ranges from 0 degree to 90 degrees, the back side of the chair back 1201 is conveniently and stably supported, and the back head of a user are protected to the maximum extent.
The working principle is that firstly, when the device is used, the bottom electric shaft is controlled to rotate, the fixed platform 202 is controlled to rotate, the top seat 1 can be lifted and adjusted along the limiting rod 203, the height can be flexibly and stably adjusted, the use requirements of different users can be effectively met, the use comfort is guaranteed, the operation is convenient and fast, the use is facilitated, then the outer side control rod 6 can be pulled to rotate upwards around the connecting shaft 5 and stand after sliding, the clamping rod 9 and the rotating shaft 11 can be conveniently and fast clamped and fixed, the rotating shaft 11 can be stably fixed in a rotating mode, the device can directly lock the rear wheels, the fixing and moving of the device can be conveniently controlled, the control rod 6 is pushed downwards when the device needs to move, the guide rod 7 drives the limiting groove 8 to be recovered, the spring 10 is matched to stretch along the clamping rod 9, the clamping rod 9 and the rotating shaft 11 can be effectively and stably controlled to be separated from each other, the wheelchair unlocking operation is carried out, so that the equipment can be normally moved and used, the operation is convenient and stable, the equipment can be effectively ensured to be stably stopped when needed, the vehicle sliding condition is prevented, and the use safety is improved;
afterwards, normally promote or the in-process of traveling by oneself, if collision or misoperation appear, when arousing the whole condition of heeling back of equipment to appear, the backup pad 1203 at rear can in time open the operation along with gravity around loose axle 1202 to this convenient stable supports the operation back to the back of the chair back 1201, furthest protects user's back and back head, reduce the condition with ground direct contact and appear, the security and the stability of equipment use have been improved greatly, the effectual danger that causes of collision accident that has reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides an electronic wheelchair locking release mechanism with adjustable height which characterized in that: including seat (1) and spacing groove (8), the bottom of seat (1) is provided with elevating system (2), and the outside of elevating system (2) is provided with link (3) to the avris of link (3) is provided with mount (4), connecting axle (5) have been run through in the outside of mount (4), and the outside of connecting axle (5) is connected with control lever (6), and the tip of control lever (6) is provided with guide arm (7).
2. The height adjustable electric wheelchair locking and unlocking mechanism of claim 1, wherein: spacing groove (8) are connected in the outside of guide arm (7), and the outside of spacing groove (8) is connected with kelly (9) to spring (10) have been run through in the outside of kelly (9), the end connection of kelly (9) has pivot (11), the avris of seat (1) is provided with supporting mechanism (12).
3. The height adjustable electric wheelchair locking and unlocking mechanism of claim 1, wherein: the lifting mechanism (2) comprises a screw rod (201), a fixed platform (202) and a limiting rod (203), the fixed platform (202) is arranged on the outer side of the screw rod (201), and the limiting rod (203) is arranged at the top of the fixed platform (202).
4. The height adjustable electric wheelchair locking and unlocking mechanism of claim 3, wherein: the seat (1) and the fixed platform (202) form a lifting structure through the screw (201), and the fixed platform (202) and the limiting rod (203) are arranged in parallel.
5. The height adjustable electric wheelchair locking and unlocking mechanism of claim 2, wherein: the rotating shaft (11) forms a clamping structure with the fixing frame (4) through the clamping rod (9), and the clamping rod (9) forms a transmission structure with the control rod (6) through the limiting groove (8).
6. The height adjustable electric wheelchair locking and unlocking mechanism of claim 2, wherein: the supporting mechanism (12) comprises a chair back (1201), a movable shaft (1202) and a supporting plate (1203), wherein the movable shaft (1202) is arranged on the outer side of the chair back (1201), and the supporting plate (1203) is connected to the outer side of the movable shaft (1202).
7. The height adjustable electric wheelchair lock-release mechanism of claim 6, wherein: the supporting plate (1203) forms a rotating structure through the movable shafts (1202), and the movable range of the supporting plate (1203) is 0-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681277.7U CN215081067U (en) | 2021-07-23 | 2021-07-23 | Height-adjustable locking and unlocking mechanism of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681277.7U CN215081067U (en) | 2021-07-23 | 2021-07-23 | Height-adjustable locking and unlocking mechanism of electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215081067U true CN215081067U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681277.7U Active CN215081067U (en) | 2021-07-23 | 2021-07-23 | Height-adjustable locking and unlocking mechanism of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215081067U (en) |
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2021
- 2021-07-23 CN CN202121681277.7U patent/CN215081067U/en active Active
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