CN219413105U

CN219413105U - Leveling cylinder hydraulic lock

Info

Publication number: CN219413105U
Application number: CN202320862842.2U
Authority: CN
Inventors: 周建君; 胡哲伟; 汪贤章
Original assignee: Ningbo Zhuoer Hydraulic Technology Co ltd
Current assignee: Ningbo Zhuoer Hydraulic Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-07-25
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of hydraulic locks, in particular to a leveling cylinder hydraulic lock which comprises a hydraulic lock and a valve sleeve in threaded connection with the hydraulic lock; the end of valve pocket is equipped with drive structure, and drive structure includes the drive block, the block between drive block and the valve pocket, it is equipped with the swivel to rotate on the drive block, swivel and valve pocket are fixed in the both ends of first spring respectively, contradict between drive block and the hydraulic lock, rotate the drive block after with allen key and drive block, block between drive block and the valve pocket this moment, drive block drives valve pocket and hydraulic lock threaded connection, when the valve pocket gets into the hydraulic lock gradually, drive block contradicts with the hydraulic lock, make first spring lengthen gradually, when drive block and valve pocket do not block, rotate between drive block and the swivel, can not cause first spring damage, make the valve pocket enter into can not continue to advance after the hydraulic lock seals, effectively prevent that the interference valve pocket equipment from causing damage, also avoided the equipment not in place to influence the leakproofness simultaneously.

Description

Leveling cylinder hydraulic lock

Technical Field

The utility model relates to a hydraulic lock, in particular to a leveling cylinder hydraulic lock, and belongs to the technical field of hydraulic locks.

Background

The hydraulic lock is additionally provided with the hydraulic control assembly on the basis of the common check valve, so that the hydraulic lock can be reversely opened on the basis of the common check valve to realize more functions, when the control oil port is not provided with hydraulic oil, the hydraulic lock is the same as the common check valve, oil can only freely flow to the oil outlet from the oil inlet of the hydraulic lock, and can not pass through the oil outlet completely in the reverse direction, when the control oil port is provided with hydraulic oil, and reaches a preset pressure value, the valve core is pushed open under the pressure effect, so that the check valve is opened, and the hydraulic lock can also pass through freely in the reverse direction at the moment, namely, a loop in a hydraulic system is locked, and the loop oil can not flow.

However, the valve body of the traditional hydraulic lock is in threaded connection with the valve sleeve, and in the process of installing the valve sleeve, whether the valve sleeve is installed or not is judged through experience of an operator, but because each operator has difference in strength, sliding wires are easily caused when installation interference occurs, the later disassembly is even inconvenient, and the tightness is easily affected when the installation is not in place.

Disclosure of Invention

The utility model aims to solve the problems and provide the leveling cylinder hydraulic lock, so that the valve sleeve cannot go forward continuously after entering the hydraulic lock for sealing, the damage caused by interference assembly of the valve sleeve is effectively prevented, and meanwhile, the influence on the sealing performance caused by the fact that the valve sleeve is assembled in place is avoided.

The hydraulic lock of the leveling cylinder comprises a hydraulic lock and a valve sleeve in threaded connection with the hydraulic lock; the end of the valve sleeve is provided with a driving structure, the driving structure comprises a driving block, the driving block is clamped with the valve sleeve, a swivel is rotatably arranged on the driving block, the swivel and the valve sleeve are respectively fixed at two ends of the first spring, and the driving block is in interference with the hydraulic lock.

Preferably, a clamping groove is formed in the valve sleeve, a clamping block is arranged on the driving block in a sliding mode, and the clamping block is matched with the clamping groove for use.

Preferably, the section of the clamping block is T-shaped, and a second spring is abutted between the clamping block and the driving block.

Preferably, the valve sleeve is sleeved with a sealing ring, and the sealing ring is abutted against the hydraulic lock.

Preferably, the hydraulic lock is fixed with a docking structure, the docking structure comprises a docking plate, the docking plate is connected to the fixing structure, the fixing structure comprises a base, and the base is clamped with the docking plate.

Preferably, the base is provided with a mounting hole.

Preferably, two limiting blocks in sliding connection are arranged on the butt joint plate, and the limiting blocks are clamped with limiting grooves on the base.

Preferably, the limiting groove is in a cross shape, and the end part of the limiting block is in a trapezoid shape.

Preferably, the limiting block is fixedly provided with a push plate, the push plate is connected with the butt plate in a sliding manner, and a third spring is abutted between the push plate and the butt plate.

Preferably, the opposite ends of the push plate are provided with guide grooves, and the guide grooves are of semicircular table-shaped structures.

The beneficial effects of the utility model are as follows: the driving block and the valve sleeve are clamped, the rotating ring is arranged on the driving block in a rotating mode, the rotating ring and the valve sleeve are respectively fixed at two ends of the first spring, the driving block is in collision with the hydraulic lock, the driving block is rotated after the inner hexagonal wrench is clamped with the driving block, the driving block is clamped with the valve sleeve at the moment, the driving block drives the valve sleeve to be in threaded connection with the hydraulic lock, when the valve sleeve gradually enters the hydraulic lock, the driving block is in collision with the hydraulic lock, the first spring is gradually stretched, when the driving block is not clamped with the valve sleeve, the driving block is rotated, the driving block and the rotating ring are rotated, the first spring cannot be damaged, the valve sleeve cannot be continuously moved forwards after being sealed by the hydraulic lock, damage caused by interference assembly of the valve sleeve is effectively prevented, and meanwhile the tightness is prevented from being influenced by the fact that the assembly is not in place.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;

FIG. 3 is a schematic illustration of the connection between the driving structure and the valve housing of the present utility model;

fig. 4 is a schematic structural view of the docking structure of the present utility model.

In the figure: 1. a hydraulic lock; 2. a driving structure; 201. a driving block; 202. a swivel; 203. a first spring; 204. a clamping block; 205. a clamping groove; 206. a second spring; 3. a butt joint structure; 301. an abutting plate; 302. a push plate; 303. a limiting block; 304. a guide groove; 305. a third spring; 4. a fixed structure; 401. a base; 402. a limit groove; 403. a mounting hole; 5. a valve sleeve; 6. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment is as follows: referring to fig. 1-4, a leveling cylinder hydraulic lock comprises a hydraulic lock 1 and a valve sleeve 5 in threaded connection with the hydraulic lock 1; the end part of the valve sleeve 5 is provided with a driving structure 2, the driving structure 2 comprises a driving block 201, the driving block 201 is clamped with the valve sleeve 5, a swivel 202 is rotatably arranged on the driving block 201, the swivel 202 and the valve sleeve 5 are respectively fixed at the two ends of a first spring 203, and the driving block 201 is in interference with the hydraulic lock 1; the driving block 201 is rotated after the inner hexagonal wrench is clamped with the driving block 201, at the moment, the driving block 201 is clamped with the valve sleeve 5, the driving block 201 drives the valve sleeve 5 to be in threaded connection with the hydraulic lock 1, when the driving block 201 is abutted against the hydraulic lock 1, the first spring 203 is gradually stretched, when the driving block 201 is not clamped with the valve sleeve 5, the driving block 201 is rotated with the rotating ring 202, the first spring 203 is not damaged, the valve sleeve 5 cannot continuously advance after entering the hydraulic lock 1 for sealing, damage caused by interference assembly of the valve sleeve 5 is effectively prevented, and meanwhile, the influence on tightness caused by the fact that the assembly is not in place is avoided; the valve sleeve 5 is provided with a clamping groove 205, the driving block 201 is slidably provided with a clamping block 204, the clamping block 204 is matched with the clamping groove 205 for use, the section of the clamping block 204 is T-shaped, a second spring 206 is abutted between the clamping block 204 and the driving block 201, when the valve sleeve 5 is dismounted, an inner hexagonal wrench is used for pushing the clamping block 204, the clamping block 204 is abutted against the second spring 206 for compression, the clamping block 204 is clamped with the clamping groove 205, the driving block 201 is rotated, and the driving block 201 drives the clamping block 204, so that the clamping block 204 drives the valve sleeve 5 to rotate, and the valve sleeve 5 is convenient to dismount; the valve sleeve 5 is sleeved with the sealing ring 6, the sealing ring 6 is abutted against the hydraulic lock 1, and when the valve sleeve 5 gradually enters the hydraulic lock 1, the sealing ring 6 is abutted against the valve sleeve 5 and the hydraulic lock 1, so that the tightness is better;

as a technical optimization scheme of the utility model, a docking structure 3 is fixed on a hydraulic lock 1, the docking structure 3 comprises a docking plate 301, the docking plate 301 is connected with a fixing structure 4, the fixing structure 4 comprises a base 401, the base 401 is clamped with the docking plate 301, the base 401 is provided with a mounting hole 403, two limit blocks 303 which are connected in a sliding manner are arranged on the docking plate 301, the limit blocks 303 are clamped with limit grooves 402 on the base 401, the limit grooves 402 are in a cross shape, the end parts of the limit blocks 303 are trapezoid, a push plate 302 is fixed on the limit blocks 303, the push plate 302 is connected with the docking plate 301 in a sliding manner, a third spring 305 is in collision between the push plate 302 and the docking plate 301, the opposite ends of the push plate 302 are provided with guide grooves 304, and the guide grooves 304 are in a semicircular table structure; the bolts penetrate through the mounting holes 403, the base 401 is mounted at a designated position, then the spanner is used for pushing the guide grooves 304, the two push plates 302 slide back to back due to the fact that the guide grooves 304 are semicircular, the third springs 305 are compressed, then the butt plate 301 is clamped with the base 401, the push plates 302 are loosened, the third springs 305 extend, the third springs 305 drive the push plates 302, the limiting blocks 303 are clamped with the limiting grooves 402, and accordingly the hydraulic lock 1 is mounted and dismounted more conveniently and rapidly.

When the hydraulic lock is used, referring to fig. 1-4, after the inner hexagonal wrench is clamped with the driving block 201, the driving block 201 is rotated, at the moment, the driving block 201 is clamped with the valve sleeve 5, the driving block 201 drives the valve sleeve 5 to be in threaded connection with the hydraulic lock 1, when the valve sleeve 5 gradually enters the hydraulic lock 1, the valve sleeve 5 is abutted against the sealing ring 6 with the hydraulic lock 1, the tightness is better, when the driving block 201 is abutted against the hydraulic lock 1, the first spring 203 is gradually extended, when the driving block 201 is not clamped with the valve sleeve 5, the driving block 201 is rotated with the rotating ring 202, the first spring 203 is not damaged, the valve sleeve 5 does not continuously move forward after entering the hydraulic lock 1 for sealing, the valve sleeve 5 is effectively prevented from being damaged due to interference assembly, meanwhile, the influence on tightness caused by the fact that the assembly is not in place is avoided, when the valve sleeve 5 is disassembled, the inner hexagonal wrench is used for pushing the clamping block 204, the clamping block 204 is abutted against the second spring 206 for compression, the clamping block 204 is clamped with the clamping groove 205, the driving block 201 is rotated, the driving block 201 drives the clamping block 204, and the clamping block 204 is rotated, so that the clamping block 204 drives the valve sleeve 5 to rotate, and the valve sleeve 5 is convenient to disassemble; the bolts penetrate through the mounting holes 403, the base 401 is mounted at a designated position, then the spanner is used for pushing the guide grooves 304, the two push plates 302 slide back to back due to the fact that the guide grooves 304 are semicircular, the third springs 305 are compressed, then the butt plate 301 is clamped with the base 401, the push plates 302 are loosened, the third springs 305 extend, the third springs 305 drive the push plates 302, the limiting blocks 303 are clamped with the limiting grooves 402, and accordingly the hydraulic lock 1 is mounted and dismounted more conveniently and rapidly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A leveling cylinder hydraulic lock comprises a hydraulic lock (1) and a valve sleeve (5) which is connected with the hydraulic lock (1) in a threaded manner; the method is characterized in that: the end of valve pocket (5) is equipped with drive structure (2), and drive structure (2) are including drive piece (201), block between drive piece (201) and valve pocket (5), it is equipped with swivel (202) to rotate on drive piece (201), swivel (202) and valve pocket (5) are fixed in the both ends of first spring (203) respectively, contradict between drive piece (201) and hydraulic lock (1).

2. The leveling cylinder hydraulic lock of claim 1 wherein: the valve sleeve (5) is provided with a clamping groove (205), the driving block (201) is provided with a clamping block (204) in a sliding mode, and the clamping block (204) is matched with the clamping groove (205).

3. A leveling cylinder hydraulic lock in accordance with claim 2 wherein: the section of the clamping block (204) is T-shaped, and a second spring (206) is abutted between the clamping block (204) and the driving block (201).

4. The leveling cylinder hydraulic lock of claim 1 wherein: the valve sleeve (5) is sleeved with a sealing ring (6), and the sealing ring (6) is in contact with the hydraulic lock (1).

5. The leveling cylinder hydraulic lock of claim 1 wherein: be fixed with docking structure (3) on hydraulic lock (1), docking structure (3) include docking plate (301), docking plate (301) are connected in fixed knot construct (4), fixed knot constructs (4) including base (401), base (401) and docking plate (301) block.

6. The leveling cylinder hydraulic lock of claim 5 wherein: the base (401) is provided with a mounting hole (403).

7. The leveling cylinder hydraulic lock of claim 5 wherein: two limiting blocks (303) which are in sliding connection are arranged on the butt plate (301), and the limiting blocks (303) are clamped with limiting grooves (402) on the base (401).

8. The leveling cylinder hydraulic lock of claim 7 wherein: the limiting groove (402) is in a cross shape, and the end part of the limiting block (303) is in a trapezoid shape.

9. The leveling cylinder hydraulic lock of claim 8 wherein: the limiting block (303) is fixedly provided with a pushing plate (302), the pushing plate (302) is connected with the abutting plate (301) in a sliding mode, and a third spring (305) is abutted between the pushing plate (302) and the abutting plate (301).

10. The leveling cylinder hydraulic lock of claim 9 wherein: the opposite ends of the push plate (302) are provided with guide grooves (304), and the guide grooves (304) are of a semicircular platform-shaped structure.