CN210185877U - Electric lifting mechanism with safety device for electric head of wheelchair - Google Patents
Electric lifting mechanism with safety device for electric head of wheelchair Download PDFInfo
- Publication number
- CN210185877U CN210185877U CN201920558737.3U CN201920558737U CN210185877U CN 210185877 U CN210185877 U CN 210185877U CN 201920558737 U CN201920558737 U CN 201920558737U CN 210185877 U CN210185877 U CN 210185877U
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- swing arm
- connecting rod
- connecting block
- hinged
- electric
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Abstract
The utility model discloses an electric lifting mechanism with a safety device for an electric locomotive of a wheelchair, which comprises a connecting block, an electric push rod, a first connecting rod, a second connecting rod and a swing arm; the upper end of the electric push rod is hinged to the upper end of the connecting block, the end part of the push rod of the electric push rod is hinged to the upper ends of the first connecting rod and the second connecting rod respectively, the lower end of the first connecting rod is hinged to the middle of the connecting block, the lower end of the second connecting rod is hinged to the upper portion of the swing arm, the upper end of the swing arm is hinged to the middle of the connecting block, and the hinge point of the swing arm and the connecting block is located above the hinge point of the upper portion of the. Because the utility model discloses constitute a set of link mechanism by first connecting rod, second connecting rod, swing arm, can greatly increase the swing angle of swing arm, have small, the small and exquisite advantage of mechanism. Furthermore, the utility model discloses be equipped with lock nut, this lock nut can push up and lean on in the swing arm, and with the swing arm locking.
Description
Technical Field
The utility model relates to a wheelchair especially relates to an electronic hoist mechanism is used to wheelchair electric locomotive with safeties.
Background
The clamping mechanism of the connecting part of the head and the wheelchair of the existing electric wheelchair mostly adopts a bolt to connect a clamping block to fix the head and the wheelchair, and the size is large for increasing the rising angle for some clamping mechanisms adopting an electric push rod as a driving piece.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small, the mechanism is small and exquisite has the electronic hoist mechanism for wheelchair electric locomotive of safeties.
In order to achieve the above object, the technical solution of the present invention is:
the utility model relates to an electric lifting mechanism with a safety device for an electric locomotive of a wheelchair, which comprises a connecting block, an electric push rod, a first connecting rod, a second connecting rod and a swing arm; the upper end of the electric push rod is hinged to the upper end of the connecting block, the end part of the push rod of the electric push rod is hinged to the upper ends of the first connecting rod and the second connecting rod respectively, the lower end of the first connecting rod is hinged to the middle of the connecting block, the lower end of the second connecting rod is hinged to the upper portion of the swing arm, the upper end of the swing arm is hinged to the middle of the connecting block, and the hinge point of the swing arm and the connecting block is located above the hinge point of the upper portion of the.
The utility model also comprises a locking nut and a locking bolt; the middle part of the locking bolt transversely penetrates and is fixed at the lower end of the connecting block, the two ends of the locking bolt extend out of the connecting block, two extending ends of the locking bolt are respectively screwed with a locking nut, the bottom surface of the locking nut is provided with a round chamfer, the lower end of the swing arm is provided with a section of inclined surface, and the chamfer on the bottom surface of the locking nut abuts against the inclined surface at the lower end of the swing arm to lock the swing arm.
After the scheme is adopted, because the utility model discloses a connecting block, electric putter, first connecting rod, second connecting rod, swing arm constitute a set of link mechanism by first connecting rod, second connecting rod, swing arm, can greatly increase the swing angle of swing arm, have small, the small and exquisite advantage of mechanism. Furthermore, the utility model discloses be equipped with lock nut, this lock nut can push up and lean on in the swing arm, and with the swing arm locking.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is an isometric view of the present invention in a locked state;
fig. 2 is an isometric view of the half-way position of the present invention;
fig. 3 is an isometric view of the released state of the invention;
fig. 4 is a side view of the present invention;
fig. 5 is a front view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is a state diagram of the present invention in a locked state;
fig. 8 is a state diagram of the present invention in release.
Detailed Description
As shown in fig. 1-6, the utility model relates to an electric lifting mechanism with safety device for wheelchair electric locomotive, including connecting block 1, electric putter 2, first connecting rod 3, second connecting rod 4, swing arm 5, two lock nuts 6 and lock bolt 7.
As shown in fig. 7-8, the middle of the locking bolt 7 transversely penetrates and is fixed at the lower end of the connecting block 1, two ends of the locking bolt 7 extend out of the connecting block 1, two extending ends of the locking bolt 7 are respectively screwed with a locking nut 6, the bottom surface of the locking nut 6 is provided with a circle of chamfer 61, the lower end of the swing arm 5 is provided with a section of inclined surface 51, and the chamfer 61 on the bottom surface of the locking nut 6 abuts against the inclined surface 51 at the lower end of the swing arm 5 to lock the swing arm 5.
The utility model discloses a theory of operation:
when released, the locknut 6 is rotated outwards, so that the locknut 6 is separated from the swing arm 5, as shown in fig. 1-3; the last push rod of electric putter 2 is to the shrink, drives first connecting rod 3 and the 4 upswing of second connecting rod, and second connecting rod 4 drives swing arm 5 upswing, makes the utility model discloses be in release state.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (2)
1. The utility model provides an electronic hoist mechanism is used to electronic locomotive of wheelchair with safeties which characterized in that: the device comprises a connecting block, an electric push rod, a first connecting rod, a second connecting rod and a swing arm; the upper end of the electric push rod is hinged to the upper end of the connecting block, the end part of the push rod of the electric push rod is hinged to the upper ends of the first connecting rod and the second connecting rod respectively, the lower end of the first connecting rod is hinged to the middle of the connecting block, the lower end of the second connecting rod is hinged to the upper portion of the swing arm, the upper end of the swing arm is hinged to the middle of the connecting block, and the hinge point of the swing arm and the connecting block is located above the hinge point of the upper portion of the.
2. The electric lifting mechanism with the safety device for the electric locomotive of the wheelchair as claimed in claim 1, wherein: the locking nut and the locking bolt are also included; the middle part of the locking bolt transversely penetrates and is fixed at the lower end of the connecting block, the two ends of the locking bolt extend out of the connecting block, two extending ends of the locking bolt are respectively screwed with a locking nut, the bottom surface of the locking nut is provided with a round chamfer, the lower end of the swing arm is provided with a section of inclined surface, and the chamfer on the bottom surface of the locking nut abuts against the inclined surface at the lower end of the swing arm to lock the swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558737.3U CN210185877U (en) | 2019-04-23 | 2019-04-23 | Electric lifting mechanism with safety device for electric head of wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558737.3U CN210185877U (en) | 2019-04-23 | 2019-04-23 | Electric lifting mechanism with safety device for electric head of wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210185877U true CN210185877U (en) | 2020-03-27 |
Family
ID=69877001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920558737.3U Active CN210185877U (en) | 2019-04-23 | 2019-04-23 | Electric lifting mechanism with safety device for electric head of wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210185877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998809A (en) * | 2019-04-23 | 2019-07-12 | 恩比尔(厦门)机械制造有限公司 | Electric wheelchair head electric hoisting mechanism with safety device |
-
2019
- 2019-04-23 CN CN201920558737.3U patent/CN210185877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998809A (en) * | 2019-04-23 | 2019-07-12 | 恩比尔(厦门)机械制造有限公司 | Electric wheelchair head electric hoisting mechanism with safety device |
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