CN210850097U - Oil cylinder cover locking device - Google Patents
Oil cylinder cover locking device Download PDFInfo
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- CN210850097U CN210850097U CN201921872296.0U CN201921872296U CN210850097U CN 210850097 U CN210850097 U CN 210850097U CN 201921872296 U CN201921872296 U CN 201921872296U CN 210850097 U CN210850097 U CN 210850097U
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- oil cylinder
- cylinder cover
- locking
- locking device
- sleeve
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Abstract
The utility model discloses an oil cylinder cover locking device, which is used for locking an elevator oil cylinder cover and is characterized in that the locking device comprises an oil cylinder cover guide sleeve and a locking device, and the rear end of the oil cylinder cover guide sleeve is connected with the locking device; the front end of the oil cylinder cover guide sleeve is provided with a screwed matching part matched with a screwing tool; the locking device main body is an oil cylinder cover locking sleeve which is of a hollow annular column structure, and the column-shaped oil cylinder cover is arranged in the hollow space in a working state; at least 4 inclined grooves in the column direction are uniformly distributed on the inner wall surface of the locking sleeve of the oil cylinder cover, each inclined groove is provided with two ends, one end is a far end, the other end is a near end, and the distance between the far end and the circle center is larger than that between the near end and the circle center; the inclined groove is internally provided with a roller, the roller is positioned at the far end in the initial state, and the roller moves from the far end to the near end in the working state to clamp the oil cylinder cover. The utility model relates to an automatic oil cylinder cover of holding tightly during corotation, the reversal then can loosen, and this device can reduce intensity of labour, promotes production efficiency by a wide margin.
Description
Technical Field
The utility model relates to an oil cylinder cover locking device belongs to elevator equipment technical field.
Background
In the technical field of elevator equipment, an elevator oil cylinder is a necessary part of a hydraulic elevator, a cylinder cover needs to be opened when hydraulic oil needs to be overhauled and replaced, a hole is drilled in the cylindrical surface of the cylinder cover under the prior art, the hole is inserted by a crescent spanner, and then the crescent spanner is rotated and screwed down. This opening is complicated to operate and also poses a safety risk.
Disclosure of Invention
The to-be-solved technical problem of the utility model is how to conveniently open or screw up the cylinder cap.
In order to solve the technical problem, the technical scheme of the utility model is to provide an oil cylinder cover locking device, which is used for locking an elevator oil cylinder cover and is characterized by comprising an oil cylinder cover guide sleeve and a locking device, wherein the rear end of the oil cylinder cover guide sleeve is connected with the locking device; the front end of the oil cylinder cover guide sleeve is provided with a screwed matching part matched with a screwing tool; the locking device main body is an oil cylinder cover locking sleeve which is of a hollow annular column structure, and the column-shaped oil cylinder cover is arranged in the hollow space in a working state; at least 4 inclined grooves in the column direction are uniformly distributed on the inner wall surface of the locking sleeve of the oil cylinder cover, each inclined groove is provided with two ends, one end is a far end, the other end is a near end, and the distance between the far end and the circle center is larger than that between the near end and the circle center; the inclined groove is internally provided with a roller, the roller is positioned at the far end in the initial state, and the roller moves from the far end to the near end in the working state to clamp the oil cylinder cover.
Preferably, a spring accommodating groove is formed in the middle of the deflection groove, the direction of the spring accommodating groove is from the near end to the far end of the deflection groove, and the spring accommodating groove is communicated with the far end of the deflection groove and the outer wall of the locking sleeve of the oil cylinder cover; and a spring is arranged in the spring accommodating groove, one end of the spring is connected with the roller, and the other end of the spring is connected with the outer wall of the locking sleeve of the oil cylinder cover.
Preferably, the locking device further comprises a locking sleeve gasket and a locking sleeve cover, the locking sleeve gasket is used for preventing the roller from falling off, the locking sleeve gasket is arranged at the joint of the oil cylinder cover locking sleeve and the oil cylinder cover guide sleeve, and the locking sleeve cover is arranged at the rear end of the oil cylinder cover locking sleeve.
Preferably, the two ends of the roller are provided with protrusions, the locking sleeve gasket and the locking sleeve cover are provided with limiting grooves consistent with the moving direction of the roller, and the protrusions of the roller are arranged in the limiting grooves.
Preferably, the screwed matching part is a hollow square groove or a square column.
The utility model discloses improve locking device, the design provides automatic locking device, and automatic the oil cylinder lid of holding tightly during this device corotation, the reversal then can loosen, and this device can reduce intensity of labour, promotes production efficiency by a wide margin.
Drawings
Fig. 1 is a schematic view of an assembly of a cylinder head locking device provided in the present embodiment;
FIG. 2 is a schematic view of FIG. 1 taken along line A-A;
FIG. 3 is a schematic view of the rollers provided in this embodiment;
FIG. 4 is a schematic view of a lock sleeve gasket provided in the present embodiment;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic view of a locking sleeve cover provided in the present embodiment;
FIG. 7 is a schematic cross-sectional view of C-C shown in FIG. 6;
fig. 8 is a schematic view of a cylinder head guide sleeve provided in the present embodiment;
FIG. 9 is a schematic cross-sectional view D-D of FIG. 8;
fig. 10 is a schematic view of a cylinder head lock sleeve provided in this embodiment.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 10, the oil cylinder cover locking device provided by the utility model is mainly used for locking an elevator oil cylinder cover, and comprises an oil cylinder cover guide sleeve 1 and a locking device, wherein a square hole is reserved on the front end of the oil cylinder cover guide sleeve 1, and the oil cylinder cover guide sleeve can be matched with the hole and used by a crescent wrench, and can also be manufactured into a square column to be directly matched with the wrench for use; the locking device comprises a locking sleeve gasket 2, an oil cylinder cover locking sleeve 4 and a locking sleeve cover 5, wherein the locking sleeve gasket 2 is arranged between the oil cylinder cover guide sleeve 1 and the oil cylinder cover locking sleeve 4 in a cushioning mode, the locking sleeve cover 5 is fixed on the oil cylinder cover locking sleeve 4 through an M6 hexagon socket head cap screw 7, the oil cylinder cover locking sleeve 4 is of a hollow circular cylindrical structure, and the oil cylinder cover locking sleeve 4 is sleeved on the cylindrical oil cylinder cover in a working state; 4 or 8 column-direction inclined grooves 41 are uniformly distributed on the inner wall surface of the oil cylinder cover locking sleeve 4, each inclined groove 41 is provided with two ends, one end is a far end, the other end is a near end, and the distance between the far end and the circle center is larger than that between the near end and the circle center; the rollers 3 are arranged in the inclined chute 41, the rollers 3 are positioned at the far end in the initial state, and the rollers 3 move from the far end to the near end in the working state, so that the rollers 3 can clamp the oil cylinder cover; in order to enable the roller 3 to automatically return to the far end, a spring accommodating groove 42 is formed in the middle of the deflection groove 41, the direction of the spring accommodating groove 42 is consistent with the direction from the near end to the far end of the deflection groove 41, and the spring accommodating groove 42 penetrates through the far end of the deflection groove 41 and the outer wall of the oil cylinder cover locking sleeve 4; and a spring 9 is arranged in the spring accommodating groove 42, one end of the spring 9 is connected with the roller, and the other end of the spring is arranged on the outer wall of the cylinder cover locking sleeve 4 through a spring jackscrew 8.
In order to better limit the roller 3, the two ends of the roller 3 are provided with protrusions, the locking sleeve gasket 2 and the locking sleeve cover 5 are provided with limiting grooves 21 matched with the protrusions of the roller, and the protrusions of the roller 3 are limited through the limiting grooves 21.
The utility model discloses a working process:
the locking device is sleeved on the oil cylinder cover, a wrench is matched with the square hole or the square column of the oil cylinder cover guide sleeve 1, the wrench screws the oil cylinder cover guide sleeve 1 to drive the locking sleeve cover 5 to rotate, the roller 3 rolls from the far end to the near end of the inclined chute 41 under the action of friction force, the oil cylinder cover is pressed by the roller 3, and the friction force is further increased to realize locking of the oil cylinder cover.
Claims (5)
1. An oil cylinder cover locking device is used for locking an elevator oil cylinder cover and is characterized by comprising an oil cylinder cover guide sleeve (1) and a locking device, wherein the rear end of the oil cylinder cover guide sleeve (1) is connected with the locking device; the front end of the oil cylinder cover guide sleeve (1) is provided with a screwed matching part matched with a screwing tool; the locking device main body is an oil cylinder cover locking sleeve (4), the oil cylinder cover locking sleeve (4) is of a hollow circular cylindrical structure, and a cylindrical oil cylinder cover is arranged in a hollow space in a working state; at least 4 column-direction inclined grooves (41) are uniformly distributed on the inner wall surface of the oil cylinder cover locking sleeve (4), each inclined groove (41) is provided with two ends, one end is a far end, the other end is a near end, and the distance between the far end and the circle center is larger than that between the near end and the circle center; the inclined chute (41) is internally provided with a roller (3), the roller (3) is positioned at the far end in the initial state, and the roller (3) moves from the far end to the near end in the working state to clamp the cylinder cover.
2. The cylinder head locking device as claimed in claim 1, wherein a spring (9) accommodating groove (42) is formed in the middle of the inclined deflection groove (41), the direction of the spring (9) accommodating groove (42) is from the proximal end to the distal end of the inclined deflection groove (41), and the spring (9) accommodating groove (42) is communicated with the distal end of the inclined deflection groove (41) and the outer wall of the cylinder head locking sleeve (4); a spring (9) is arranged in the spring (9) accommodating groove (42), one end of the spring (9) is connected with the roller (3), and the other end of the spring is connected with the outer wall of the oil cylinder cover locking sleeve (4).
3. The cylinder head locking device according to claim 1 or 2, characterized in that the locking device further comprises a locking sleeve gasket (2) and a locking sleeve cover (5) for preventing the roller (3) from falling, the locking sleeve gasket (2) is arranged at the joint of the cylinder head locking sleeve (4) and the cylinder head guide sleeve (1), and the locking sleeve cover (5) is arranged at the rear end of the cylinder head locking sleeve (4).
4. A cylinder head locking device according to claim 3, characterized in that the roller (3) is provided with protrusions at both ends, the lock sleeve washer (2) and the lock sleeve cover (5) are provided with limit grooves (21) in accordance with the moving direction of the roller (3), and the protrusions of the roller (3) are provided in the limit grooves (21).
5. A cylinder head locking arrangement as claimed in claim 1 wherein said screw-on engagement is a hollow square groove or square post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872296.0U CN210850097U (en) | 2019-11-02 | 2019-11-02 | Oil cylinder cover locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921872296.0U CN210850097U (en) | 2019-11-02 | 2019-11-02 | Oil cylinder cover locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210850097U true CN210850097U (en) | 2020-06-26 |
Family
ID=71305385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921872296.0U Active CN210850097U (en) | 2019-11-02 | 2019-11-02 | Oil cylinder cover locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210850097U (en) |
-
2019
- 2019-11-02 CN CN201921872296.0U patent/CN210850097U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220511 Address after: 224200 No. 10, West podium building, 3rd floor, No. 10, Donghu Road, Chengdong new area, Dongtai City, Yancheng City, Jiangsu Province Patentee after: Weilong Yicheng Intelligent Technology (Jiangsu) Co.,Ltd. Address before: No. 5333, Beiqing Road, Qingpu District, Shanghai, 201799 Patentee before: SHANGHAI QINGPU ELEVATOR FITTINGS Co.,Ltd. |