CN211023597U - Handrail assembly for electric wheelchair - Google Patents
Handrail assembly for electric wheelchair Download PDFInfo
- Publication number
- CN211023597U CN211023597U CN201921724873.1U CN201921724873U CN211023597U CN 211023597 U CN211023597 U CN 211023597U CN 201921724873 U CN201921724873 U CN 201921724873U CN 211023597 U CN211023597 U CN 211023597U
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- CN
- China
- Prior art keywords
- handrail
- fixedly connected
- supporting rod
- chair
- disc case
- 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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Abstract
The utility model discloses an electronic handrail assembly for wheelchair, including the back of the chair, the both sides of the back of the chair are all fixed and are equipped with the base, the top of base is equipped with the handrail, the one end fixedly connected with connecting rod of handrail, the one end of connecting rod is equipped with adjusting part, the bottom of handrail is equipped with supporting component, adjusting part includes the disc case, one side of disc case and one side fixed connection of the back of the chair, the inside movable mounting of disc case has the ratchet, the one end of ratchet and the one end fixed connection of connecting rod, the top meshing of ratchet is connected with brake pawl, brake pawl's top alternates and is equipped with the transmission shaft, the both ends of transmission shaft alternate with the both sides inner wall activity of disc case respectively and be connected. The utility model relates to a handrail assembly for electronic wheelchair passes through the angle that adjusting part adjusted the handrail according to patient's travelling comfort, makes patient's position of sitting comfortable, slows down tired sense.
Description
Technical Field
The utility model relates to a handrail assembly field, in particular to handrail assembly for electronic wheelchair.
Background
Electric wheelchair basically all can have supporting handrail, the patient sits when the wheelchair, can put the arm and support it on the handrail, guarantee the travelling comfort of patient's position of sitting, in addition, the handrail hides the effect in addition, make the patient spacing on the wheelchair, prevent the landing, common handrail is fixed basically and locates the wheelchair both sides, some handrails are flexible of being convenient for, put in the wheelchair both sides when using, not the time spent with it receipts, but these handrails can not carry out angle modulation according to patient's travelling comfort, it is relatively poor to make the patient arm place the travelling comfort on the handrail, can lead to the arm ache on the contrary for a long time, increase tired and feel, make the patient can not obtain fine rest.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic handrail assembly for wheelchair to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the armrest assembly for the electric wheelchair comprises a chair back, wherein bases are fixedly arranged on two sides of the chair back, an armrest is arranged at the top of each base, a connecting rod is fixedly connected to one end of each armrest, an adjusting assembly is arranged at one end of each connecting rod, and a supporting assembly is arranged at the bottom of each armrest;
the adjusting part comprises a disc box, one side of the disc box is fixedly connected with one side of the chair back, the inside movable mounting of the disc box is provided with a ratchet wheel, one end of the ratchet wheel is fixedly connected with one end of a connecting rod, the top of the ratchet wheel is meshed with a braking pawl, a transmission shaft is arranged at the top of the braking pawl in an alternating mode, two ends of the transmission shaft are respectively connected with the inner walls of two sides of the disc box in an movably alternating mode, and a rotating handle is fixedly mounted at one end of the transmission shaft.
Preferably, the supporting component comprises a supporting rod, the top end of the supporting rod is fixedly connected with the bottom end of the handrail, the top end of the base is provided with a sliding groove matched with the supporting rod, the bottom of the supporting rod is connected with the sliding groove in a sliding manner, the bottom end of the supporting rod is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the wall of the sliding groove.
Preferably, the top end of the sliding groove is fixedly connected with a fixed hemisphere, and the fixed hemisphere is movably connected with the supporting rod in a penetrating mode.
Preferably, the top end of the armrest is fixedly provided with a cushion, and the upper surface of the cushion is an arc-shaped surface.
Preferably, the other end of the handrail is provided with a groove, one end of the groove is connected with the placing box in a sliding and inserting manner, one end of the placing box is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the groove wall of the groove.
Preferably, the side of the disc box is provided with an arc-shaped sliding hole, and the connecting rod is connected with the arc-shaped sliding hole in a sliding and penetrating manner.
The utility model discloses a technological effect and advantage:
the utility model discloses an angle of handrail is adjusted to adjusting part, makes the position phase-match of placing of angle of handrail and patient's arm and supports it, makes the patient position of sitting comfortable, slows down tired sense, and supporting component plays the supporting role to the handrail, is in stable state when guaranteeing handrail angular adjustment, and the steadiness when guaranteeing the handrail and placing utilizes to place the box and is convenient for place some rubbish, conveniently saves trouble.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of a partially enlarged structure at a in fig. 2 according to the present invention;
fig. 4 is a schematic structural view between the rotating handle and the braking pawl of the present invention.
In the figure: 1. a chair back; 2. a base; 3. a handrail; 4. a soft cushion; 5. a support rod; 6. a chute; 7. a first spring; 8. fixing the hemisphere; 9. a disc box; 10. a connecting rod; 11. a ratchet wheel; 12. a brake pawl; 13. a drive shaft; 14. a handle is rotated; 15. a groove; 16. placing the box; 17. a second spring.
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.
The utility model provides a handrail assembly for an electric wheelchair as shown in figures 1-4, which comprises a chair back 1, wherein bases 2 are fixedly arranged on both sides of the chair back 1, a handrail 3 is arranged on the top of the base 2, a cushion 4 is fixedly arranged on the top end of the handrail 3, the upper surface of the cushion 4 is an arc surface, the comfort of the arm when the arm is placed on the handrail 3 is ensured by utilizing the cushion 4, one end of the handrail 3 is fixedly connected with a connecting rod 10, one end of the connecting rod 10 is provided with an adjusting component, and the bottom of the handrail 3 is provided with a supporting component;
the adjusting component comprises a disc box 9, one side of the disc box 9 is fixedly connected with one side of the chair back 1, a ratchet wheel 11 is movably arranged in the disc box 9, one end of the ratchet wheel 11 is fixedly connected with one end of a connecting rod 10, the top of the ratchet wheel 11 is engaged and connected with a brake pawl 12, a transmission shaft 13 is inserted into the top of the brake pawl 12, two ends of the transmission shaft 13 are respectively movably inserted and connected with the inner walls of two sides of the disc box 9, a rotating handle 14 is fixedly arranged at one end of the transmission shaft 13, an arc-shaped sliding hole is formed in the side of the disc box 9, the connecting rod 10 is slidably inserted and connected with the arc-shaped sliding hole, because the brake pawl 12 controls the ratchet wheel 11 to rotate clockwise in one direction, the armrest 3 performs fixed-point braking when rotating clockwise in one direction, when the armrest 3 performs anticlockwise rotation, the brake pawl 12 is, is convenient and saves trouble.
The supporting component includes supporting rod 5, the top of supporting rod 5 and the bottom fixed connection of handrail 3, the top of base 2 seted up with 5 assorted spouts 6 of supporting rod, the bottom and the 6 slip joint of spout of supporting rod 5, the first spring 7 of bottom fixedly connected with of supporting rod 5, the one end of first spring 7 and the cell wall fixed connection of spout 6, supporting rod 5 is the arc shape, the shape of spout 6 and supporting rod 5's movement track phase-match, the top fixedly connected with fixed hemisphere 8 of spout 6, fixed hemisphere 8 and the 5 movable interlude of supporting rod are connected, utilize fixed hemisphere 8 to reduce rocking when supporting rod 5 slides in spout 6, guarantee the stability when handrail 3 rotates.
The other end of handrail 3 is seted up flutedly 15, the one end sliding interlude of recess 15 is connected with places box 16, the one end fixedly connected with second spring 17 of placing box 16, the one end of second spring 17 and the cell wall fixed connection of recess 15, it is convenient for place convenient rubbish to place box 16, when placing rubbish, box 16 is placed to outside pull toward recess 15, place rubbish in placing box 16, loosen and place box 16, place box 16 and get into the inside of recess 15 under the effect of second spring 17, play the effect of connecting fixedly through second spring 17 to placing box 16, place box 16 and follow the interior landing of recess 15 when preventing that the wheelchair from removing.
This practical theory of operation:
the angle of the handrail 3 is adjusted according to the sitting posture demand of the patient, when the angle of the handrail 3 is increased, the handrail 3 is lifted upwards, the handrail 3 rotates clockwise, the handrail 3 drives the ratchet wheel 11 to rotate clockwise through the connecting rod 10, when the handrail 3 rotates clockwise upwards to adjust the angle, due to the action of the brake pawl 12, the handrail 3 rotates unidirectionally and irreversibly, at the moment, the supporting rod 5 slides towards the outside of the chute 6 in the chute 6, the first spring 7 is in a stretching state, when the angle of the handrail 3 is decreased, the rotating handle 14 rotates anticlockwise, the rotating handle 14 drives the brake pawl 12 to rotate anticlockwise through the transmission shaft 13, the brake pawl 12 is separated from the ratchet wheel 11, the handrail 3 rotates downwards and anticlockwise, the handrail 3 drives the ratchet wheel 11 to rotate anticlockwise through the connecting rod 10, at the moment, the supporting rod 5 slides towards the inside of the chute 6 in the chute 6, the first spring 7 is in a, when the handrail 3 rotates to a designated angle, the rotating handle 14 is loosened, the braking pawl 12 is meshed and clamped with the gear teeth on the ratchet wheel 11 under the action of the gravity of the braking pawl, the handrail 3 is braked, the position of the handrail 3 is fixed, and the handrail is convenient and quick.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an electronic handrail assembly for wheelchair, includes back of the chair (1), its characterized in that: the chair comprises a chair back (1), wherein bases (2) are fixedly arranged on two sides of the chair back (1), handrails (3) are arranged at the tops of the bases (2), one ends of the handrails (3) are fixedly connected with connecting rods (10), one ends of the connecting rods (10) are provided with adjusting components, and the bottoms of the handrails (3) are provided with supporting components;
the adjusting part includes disc case (9), one side of disc case (9) and one side fixed connection of the back of the chair (1), the inside movable mounting of disc case (9) has ratchet (11), the one end of ratchet (11) and the one end fixed connection of connecting rod (10), the top meshing of ratchet (11) is connected with braking pawl (12), the top of braking pawl (12) alternates and is equipped with transmission shaft (13), the both ends of transmission shaft (13) alternate with the both sides inner wall activity of disc case (9) respectively and be connected, the one end fixed mounting of transmission shaft (13) has turning handle (14).
2. The armrest assembly for a motorized wheelchair as set forth in claim 1, wherein: the supporting component comprises a supporting rod (5), the top end of the supporting rod (5) is fixedly connected with the bottom end of the handrail (3), a sliding groove (6) matched with the supporting rod (5) is formed in the top end of the base (2), the bottom of the supporting rod (5) is connected with the sliding groove (6) in a sliding mode, a first spring (7) is fixedly connected to the bottom end of the supporting rod (5), and one end of the first spring (7) is fixedly connected with the groove wall of the sliding groove (6).
3. The armrest assembly for a motorized wheelchair as set forth in claim 2, wherein: the top end of the sliding groove (6) is fixedly connected with a fixed hemisphere (8), and the fixed hemisphere (8) is movably connected with the supporting rod (5) in a penetrating mode.
4. The armrest assembly for a motorized wheelchair as set forth in claim 1, wherein: the top of handrail (3) is fixed and is equipped with cushion (4), the upper surface of cushion (4) is the arcwall face.
5. The armrest assembly for a motorized wheelchair as set forth in claim 1, wherein: the other end of handrail (3) is seted up flutedly (15), the one end of recess (15) slides and alternates to be connected with places box (16), the one end fixedly connected with second spring (17) of placing box (16), the one end of second spring (17) and the cell wall fixed connection of recess (15).
6. The armrest assembly for a motorized wheelchair as set forth in claim 1, wherein: arc-shaped sliding holes are formed in the side of the disc box (9), and the connecting rods (10) are connected with the arc-shaped sliding holes in a sliding penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921724873.1U CN211023597U (en) | 2019-10-15 | 2019-10-15 | Handrail assembly for electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921724873.1U CN211023597U (en) | 2019-10-15 | 2019-10-15 | Handrail assembly for electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211023597U true CN211023597U (en) | 2020-07-17 |
Family
ID=71528848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921724873.1U Expired - Fee Related CN211023597U (en) | 2019-10-15 | 2019-10-15 | Handrail assembly for electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211023597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590628A (en) * | 2020-12-29 | 2021-04-02 | 苏州金睿澳科物联网科技有限公司 | 5G + AI intelligent digital cabin networking system |
-
2019
- 2019-10-15 CN CN201921724873.1U patent/CN211023597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590628A (en) * | 2020-12-29 | 2021-04-02 | 苏州金睿澳科物联网科技有限公司 | 5G + AI intelligent digital cabin networking system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |