CN218391488U - Locking device of nose wheelchair release mechanism - Google Patents
Locking device of nose wheelchair release mechanism Download PDFInfo
- Publication number
- CN218391488U CN218391488U CN202221970919.XU CN202221970919U CN218391488U CN 218391488 U CN218391488 U CN 218391488U CN 202221970919 U CN202221970919 U CN 202221970919U CN 218391488 U CN218391488 U CN 218391488U
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- Prior art keywords
- hole
- wheelchair
- lock
- lock body
- spring
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- 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.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 10
- 230000003137 locomotive effect Effects 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a locomotive wheelchair breaks away from locking device of mechanism, including locking lever, lock body and stop device, the through-hole has been seted up on the lock body, the locking lever is planted and is installed in the through-hole, the lower extreme fixed mounting of locking lever has the handle, stop device comprises steel ball, spring and closing plate, spacing hole has still been seted up on the lock body, and this spacing hole is linked together with the through-hole, steel ball and spring are installed in proper order in spacing hole, and this steel ball contacts with locking lever and spring, closing plate fixed mounting is on the lock body of spacing hole department, and the other end and the closing plate of this spring contact, the utility model discloses the advantage is: the user does not need to worry about the falling of the lock tongue of the connecting device, the safety of the head wheelchair is improved, and the personal safety of the user is guaranteed.
Description
Technical Field
The utility model relates to a technical field of wheelchair, more specifically say and relate to aircraft nose wheelchair locking device's technical field.
Background
The wheelchair is a travel tool specially provided for the disabled or the disabled to know, the disabled or the disabled can go out with the help of the wheelchair, the head wheelchair is characterized in that a head with a power wheel is additionally arranged in front of a common wheelchair, so that the wheelchair is more convenient to drive, and the direction of the wheelchair can be controlled by a user conveniently, so that the wheelchair can be made into an electric wheelchair; the machine head wheelchair is generally disassembled when the user is at home, and the machine head can be installed on the wheelchair for use only when the user goes out; in order to facilitate the disassembly and assembly of the machine head, a connecting device is generally installed at the rear part of the machine head, the existing connecting device is clamped in paired U-shaped clamping grooves at two sides of a wheelchair through paired lock tongues, the upper ends of the lock tongues are connected with handles, and when the wheelchair needs to be disassembled, the handles are lifted upwards to drive the lock tongues to retract into a lock body, so that the lock tongues can be separated from the U-shaped clamping seats, and the disassembly is completed; the method can realize quick assembly and disassembly, and is convenient and practical; however, in the process of wheelchair traveling, the lock tongue can automatically retract into the lock body due to bumping or other reasons, so that wheelchair users can be injured by separating the machine head from the wheelchair in the traveling process, and even traffic accidents can be caused seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, providing a locking device which can lock the handle of the spring bolt, prevent the spring bolt from deviating from the U-shaped clamping seat and effectively ensure the safety of a user.
The utility model discloses a solve above-mentioned problem and the technical solution who adopts as follows:
the locking device of the machine head wheelchair separation mechanism comprises a lock rod, a lock body and a limiting device, wherein a through hole is formed in the lock body, the lock rod is arranged in the through hole in an inserting mode, a handle is fixedly mounted at the lower end of the lock rod, the limiting device is composed of a steel ball, a spring and a sealing plate, a limiting hole is further formed in the lock body and communicated with the through hole, the steel ball and the spring are sequentially arranged in the limiting hole, the steel ball is in contact with the lock rod and the spring, the sealing plate is fixedly mounted on the lock body at the limiting hole, and the other end of the spring is in contact with the sealing plate.
Preferably: the through hole on the lock body is in a step shape, and the lock rod is in a step shape corresponding to the through hole.
Preferably: the lock rod is provided with a groove corresponding to the steel ball.
Preferably: the limiting hole and the through hole are at ninety degrees.
Preferably: the limiting devices are configured in pairs.
The utility model adopts the above technical solution beneficial effect that can reach be:
through the spring bolt handle department with this device fixed mounting on aircraft nose connecting device, realize articulating the back at aircraft nose and wheelchair, release the locking lever of this device, locking device's spring bolt handle department is transversely arranged in, avoid connecting device's spring bolt to deviate from at the in-process of marcing of aircraft nose wheelchair, lead to aircraft nose and wheelchair separation, this device effectively carries on spacingly to connecting device's spring bolt, let the user need not worry that connecting device's spring bolt drops, the security of aircraft nose wheelchair has been improved, user's personal safety has also been ensured simultaneously.
The lock rod is provided with the step-shaped through hole, the lock rod is also provided with the step-shaped through hole, so that the lock rod can not be separated from the lock body due to excessive force when a user pulls out the lock rod, the lock rod is provided with the groove matched with the steel ball, the steel ball can be embedded into the groove of the lock rod, and the limit of the lock rod is enhanced.
The lock body is provided with the limiting device, so that the spring can prop against the lock rod through the steel ball to limit the lock rod, and the lock rod does not need to be retracted into the lock body in the bumping process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
1. A lock lever; 2. a lock body; 3. a through hole; 4. a handle; 5. steel balls; 6. a spring; 7. a sealing plate; 8. a limiting hole; 9. and (6) a groove.
Detailed Description
As shown in figure 1, the locking device of the aircraft nose wheelchair separation mechanism comprises a lock tongue 1, a lock body 2 and a limiting device, wherein the lock body 2 is provided with a through hole 3, the lock tongue 1 is inserted and installed in the through hole 3, the through hole on the lock body 2 is in a step shape, the shape of the lock tongue 1 is in the step shape corresponding to the through hole, the lock body 2 is provided with the step-shaped through hole 3, and then the lock rod 1 is also in a matched step shape, so that a user can not separate the lock rod 1 from the lock body 2 due to excessive force when pulling out the lock rod 1, the lock rod 1 is provided with a groove 9 matched with a steel ball 5, the steel ball 5 can be embedded into the groove 9 of the lock rod 1, the limiting of the lock rod 1 is enhanced, the lower end of the lock tongue 1 is fixedly provided with a handle 4, the limiting device is composed of the steel ball 5, a spring 6 and a sealing plate 7, the lock body 2 is also provided with a limiting hole 8, the limiting hole 8 is communicated with the through hole 1, the limiting hole 8 and the through hole 1 are ninety degrees, the steel ball 5 and the spring 6 are sequentially arranged in the limiting hole 8, the steel ball 5 is contacted with the lock tongue 1 and the spring 6, the sealing plate 7 is fixedly arranged on the lock body 2 at the position of the limiting hole 8, the other end of the spring 6 is contacted with the sealing plate 7, the limiting devices are arranged in pairs, the spring 5 can prop against the lock rod 1 through the steel ball 6 by installing the limiting devices on the lock body 2 to play a limiting role on the lock rod 1 without worrying that the lock rod 1 retracts into the lock body 2 in the bumping process, the device is fixedly arranged at the position of the lock tongue handle on the machine head connecting device, after the machine head is articulated with the wheelchair, the lock rod 1 of the device is pushed out and transversely arranged at the position of the lock tongue handle of the locking device, so that the lock tongue of the connecting device is prevented from being separated in the advancing process of the machine head wheelchair, the separation of the machine head and the wheelchair is caused, the device effectively limits the lock tongue of the connecting device, a user does not need to worry that the lock tongue of the connecting device falls off, the safety of the machine head wheelchair is improved, and the personal safety of the user is guaranteed.
Claims (5)
1. The locking device of the handpiece wheelchair release mechanism is characterized by comprising a lock rod, a lock body and a limiting device, wherein the lock body is provided with a through hole, the lock rod is inserted and installed in the through hole, the lower end of the lock rod is fixedly provided with a handle, the limiting device is composed of a steel ball, a spring and a sealing plate, the lock body is further provided with a limiting hole, the limiting hole is communicated with the through hole, the steel ball and the spring are sequentially installed in the limiting hole, the steel ball is in contact with the lock rod and the spring, the sealing plate is fixedly installed on the lock body at the limiting hole, and the other end of the spring is in contact with the sealing plate.
2. The locking device of a nose wheelchair disengagement mechanism of claim 1, wherein: the through hole on the lock body is in a step shape, and the lock rod is in a step shape corresponding to the through hole.
3. Locking device of a wheelchair release mechanism according to claim 1 or 2, characterized in that: the lock rod is provided with a groove corresponding to the steel ball.
4. Locking device of a wheelchair breakaway mechanism of the hand-piece according to claim 1 or 2, characterised in that: the limiting hole and the through hole are at ninety degrees.
5. The locking device of the wheelchair breakaway mechanism of claim 3, wherein: the limiting devices are configured in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221970919.XU CN218391488U (en) | 2022-07-28 | 2022-07-28 | Locking device of nose wheelchair release mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221970919.XU CN218391488U (en) | 2022-07-28 | 2022-07-28 | Locking device of nose wheelchair release mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218391488U true CN218391488U (en) | 2023-01-31 |
Family
ID=85014086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221970919.XU Active CN218391488U (en) | 2022-07-28 | 2022-07-28 | Locking device of nose wheelchair release mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218391488U (en) |
-
2022
- 2022-07-28 CN CN202221970919.XU patent/CN218391488U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240126 Address after: 448000 Factory Building 1 #, Forest Industry Park (West Zone), Dongbao District Industrial Park, Jingmen City, Hubei Province Patentee after: Hubei Zhoulunyou Technology Co.,Ltd. Country or region after: China Address before: 431900 No. 38, Group 2, Gaoming Village, Jiukou Town, Zhongxiang City, Jingmen City, Hubei Province Patentee before: Zhou Zhigang Country or region before: China |
|
| TR01 | Transfer of patent right |