Oil way control valve with locking structure

By introducing a locking structure and a quick assembly structure into the oil circuit control valve, the problem of the threaded rod being unable to be quickly locked is solved, the screw rod can be quickly locked and the sealing performance is improved, ensuring the stable operation of the equipment.

CN223424356UActive Publication Date: 2025-10-10WUHAN LIANSHENGLI AUTOMATIC CONTROL EQUIP CO LTD
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Patent Information

Application Number
CN202422753258.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-10
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The threaded rod of the existing oil circuit control valve cannot be quickly locked after being rotated closed, which may cause the threaded pipe to loosen, causing the valve to open and causing unnecessary losses.

Method used

An oil circuit control valve with a locking structure and a quick assembly structure is designed. The locking of the screw rod is achieved through the cooperation of the locking rod and the spring, and the assembly efficiency is accelerated through the threaded connection.

Benefits of technology

The screw rod is quickly locked, which reduces the difficulty of assembly and improves the sealing performance, preventing the valve from opening accidentally and ensuring the stable operation of the system.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223424356U_ABST
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Abstract

The utility model relates to the technical field of control valves, and discloses an oil way control valve with a locking structure, which comprises a valve body, a fixed seat fixedly arranged at the upper end of the valve body, a bracket fixedly arranged at the upper end of the fixed seat, a screw rod arranged in the bracket in a threaded manner, and a plugging plate fixedly connected with the lower end of the screw rod after entering the valve body, a locking structure is arranged at the upper end of the support and comprises a first hollow plate fixedly arranged at the upper end of the support, a spring fixedly arranged at the upper end of the first hollow plate, a second hollow plate fixedly arranged at the upper end of the spring, locking rods fixedly arranged on the two sides of the upper end of the second hollow plate, and a fixing plate fixedly arranged on the outer wall of a lead screw located at the upper ends of the locking rods. A locking hole is annularly formed in the lower end of the fixing plate. According to the oil way control valve with the locking structure, the lead screw can be automatically and rapidly fixed.
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Description

Technical Field

[0001] The utility model relates to the technical field of control valves, in particular to an oil circuit control valve with a locking structure. Background Art

[0002] Oil circuit control valves are important components in hydraulic systems, used to control the flow direction, flow rate and pressure of hydraulic oil. They are widely used in various industrial and mechanical equipment to ensure the normal operation of the system.

[0003] The existing patent with publication number CN220850762U proposes an oil circuit control valve with a locking structure. The device can prevent water leakage at the valve through the cooperation between the connecting component on the inside of the control valve pipeline and the sealing component on the top, so that the valve can rotate normally to control the pipeline connection. At the same time, it can also prevent the water inside from leaking into the outside through the connection of the valve, which will not affect the experience of the staff, thereby effectively improving the practicality of the control valve.

[0004] However, after the threaded rod of the device is rotated and closed, it is impossible to quickly reinforce and lock the threaded pipe. The threaded pipe may become loose due to external reasons, causing the valve to open and causing unnecessary losses. Utility Model Content

[0005] The purpose of the utility model is to provide an oil circuit control valve with a locking structure to solve the problem that after the threaded rod of the existing device is rotated and closed, the threaded pipe cannot be quickly reinforced and locked, and the threaded pipe may become loose due to external reasons, causing the valve to open and causing unnecessary losses.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil circuit control valve with a locking structure, comprising a valve body, a fixed seat fixedly provided on the upper end of the valve body, a bracket fixedly provided on the upper end of the fixed seat, a screw rod provided on the internal thread of the bracket, the lower end of the screw rod enters the valve body and is fixedly connected to a sealing plate, a locking structure is provided on the upper end of the bracket, the locking structure comprises a first hollow plate fixedly provided on the upper end of the bracket, a spring fixedly provided on the upper end of the first hollow plate, a second hollow plate fixedly provided on the upper end of the spring, locking rods fixedly provided on both sides of the upper end of the second hollow plate, a fixing plate fixedly provided on the outer wall of the screw rod located at the upper end of the locking rod, and a locking hole is provided in a ring at the lower end of the fixing plate.

[0007] Preferably, a quick assembly structure is provided between the screw and the sealing plate, the quick assembly structure comprising a threaded tube fixedly provided at the lower end of the screw, a groove provided at the upper end of the sealing plate, a screw fixedly provided inside the groove, and the upper end of the screw entering into the threaded tube.

[0008] Preferably, a sealing gasket is fixedly provided on the upper end of the sealing plate.

[0009] Preferably, detent grooves are provided on both sides of the blocking plate.

[0010] Preferably, a rotating handle is fixedly provided on the outer wall of the screw rod at the upper end of the fixed plate.

[0011] Preferably, an extrusion plate is fixedly provided on both sides of the second hollow plate, and a U-shaped piece is fixedly provided at the rear end of the extrusion plate.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1) By setting up a locking structure, after the screw rotates to drive the sealing plate to close the valve body, the second hollow plate is reset, so that the locking rod enters the locking hole, thereby achieving the purpose of pushing upward and locking the screw.

[0014] 2) By setting up a quick assembly structure, when the assembler assembles the lower end of the screw rod and the sealing plate, the assembly difficulty of the assembler is reduced by threaded rotation installation, and the sealing gasket can ensure the sealing of the connection between the screw rod and the sealing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an oil circuit control valve with a locking structure in an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the valve body in the embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the blocking plate in the embodiment of the present utility model;

[0018] Figure 4 This is a schematic structural diagram of the second hollow plate in an embodiment of the present utility model;

[0019] Figure 5 This is a schematic diagram of the threaded pipe structure in an embodiment of the present utility model.

[0020] In the figure: 1. Valve body; 2. Fixed seat; 3. Bracket; 4. Screw; 5. Sealing plate; 6. Locking structure; 7. First hollow plate; 8. Spring; 9. Second hollow plate; 10. Locking rod; 11. Fixed plate; 12. Locking hole; 13. Extrusion plate; 14. Quick assembly structure; 15. Threaded tube; 16. Screw; 17. Trigger groove; 18. Sealing gasket; 19. U-shaped piece. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] Combine Figure 1-Figure 5 , an oil circuit control valve with a locking structure, comprising a valve body 1, a fixed seat 2 is fixedly provided on the upper end of the valve body 1, a bracket 3 is fixedly provided on the upper end of the fixed seat 2, a screw rod 4 is provided on the internal thread of the bracket 3, the lower end of the screw rod 4 enters the valve body 1 and is fixedly connected to a blocking plate 5, a locking structure 6 is provided on the upper end of the bracket 3, the locking structure 6 comprises a first hollow plate 7 fixedly provided on the upper end of the bracket 3, a spring 8 is fixedly provided on the upper end of the first hollow plate 7, a second hollow plate 9 is fixedly provided on the upper end of the spring 8, locking rods 10 are fixedly provided on both sides of the upper end of the second hollow plate 9, a fixing plate 11 is fixedly provided on the outer wall of the screw rod 4 at the upper end of the locking rod 10, and a locking hole 12 is opened in a ring at the lower end of the fixing plate 11.

[0024] See Figure 4 and Figure 5 , it is further obtained that a sealing gasket 18 is fixedly provided on the upper end of the blocking plate 5, a buckle groove 17 is opened on both sides of the blocking plate 5, a rotating handle is fixedly provided on the outer wall of the screw rod 4 at the upper end of the fixed plate 11, and an extrusion plate 13 is fixedly provided on both sides of the second hollow plate 9, and a U-shaped part 19 is fixedly provided at the rear end of the extrusion plate 13.

[0025] Specifically, the sealing gasket 18 is used to ensure the sealing connection between the sealing plate 5 and the lower end of the screw rod 4, the detent groove 17 is used to facilitate detent the sealing plate 5 to achieve rotational installation, and the extrusion plate 13 is used to fix the U-shaped part 19, and the U-shaped part 19 is used to facilitate the downward extrusion of the second hollow plate 9.

[0026] Example 2

[0027] See Figure 5 On the basis of Example 1, it is further obtained that a quick assembly structure 14 is provided between the screw rod 4 and the sealing plate 5. The quick assembly structure 14 includes a threaded tube 15 fixedly provided at the lower end of the screw rod 4, a groove is provided at the upper end of the sealing plate 5, a screw rod 16 is fixedly provided inside the groove, and the upper end of the screw rod 16 enters into the threaded tube 15.

[0028] Specifically, the groove is used to set the screw rod 16, and the threaded tube 15 is used to be threadedly connected with the screw rod 16 to speed up the connection efficiency between the lower end of the screw rod 4 and the sealing plate 5.

[0029] In actual operation, the U-shaped piece 19 is manually squeezed, so that the squeezing plate 13 moves downward, so that the second hollow plate 9 moves downward, so that the spring 8 is squeezed, the lead screw 4 is rotated, so that the lead screw 4 drives the blocking plate 5 to move downward, so that the valve body 1 is closed, when the blocking plate 5 is locked, the U-shaped piece 19 is loosened, so that the second hollow plate 9 is reset, so that the locking rod 10 enters the inside of the locking hole 12, the fixing and limiting of the lead screw 4 are realized;

[0030] When the operating personnel installs the blocking plate 5, the fingers are buckled into the buckle groove 17, so that the threaded pipe 15 is threadedly installed with the screw rod 16, so that the upper end of the sealing gasket 18 is attached with the lower end of the lead screw 4, firstly, the assembly operation is fast.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil circuit control valve with a locking structure, comprising a valve body (1), a fixing seat (2) fixedly provided on the upper end of the valve body (1), characterized in that: A bracket (3) is fixedly provided at the upper end of the fixed seat (2), a screw rod (4) is provided on the internal thread of the bracket (3), the lower end of the screw rod (4) enters the valve body (1) and is fixedly connected to a blocking plate (5), the upper end of the bracket (3) is provided with a locking structure (6), the locking structure (6) comprises a first hollow plate (7) fixedly provided at the upper end of the bracket (3), a spring (8) fixedly provided at the upper end of the first hollow plate (7), a second hollow plate (9) fixedly provided at the upper end of the spring (8), locking rods (10) fixedly provided on both sides of the upper end of the second hollow plate (9), a fixing plate (11) is fixedly provided on the outer wall of the screw rod (4) located at the upper end of the locking rod (10), and a locking hole (12) is provided in an annular manner at the lower end of the fixing plate (11).

2. The oil circuit control valve with a locking structure according to claim 1, characterized in that: A quick assembly structure (14) is provided between the screw rod (4) and the sealing plate (5), and the quick assembly structure (14) comprises a threaded tube (15) fixedly provided at the lower end of the screw rod (4); a groove is provided at the upper end of the sealing plate (5); a screw rod (16) is fixedly provided inside the groove; and the upper end of the screw rod (16) enters the interior of the threaded tube (15).

3. The oil circuit control valve with a locking structure according to claim 1, characterized in that: A sealing gasket (18) is fixedly provided on the upper end of the blocking plate (5).

4. The oil circuit control valve with a locking structure according to claim 1, characterized in that: Both sides of the blocking plate (5) are provided with snap-action grooves (17).

5. The oil circuit control valve with a locking structure according to claim 1, characterized in that: A rotating handle is fixedly provided on the outer wall of the screw rod (4) at the upper end of the fixing plate (11).

6. The oil circuit control valve with a locking structure according to claim 1, characterized in that: Extrusion plates (13) are fixedly provided on both sides of the second hollow plate (9), and a U-shaped piece (19) is fixedly provided at the rear end of the extrusion plate (13).

Citation Information

Patent Citations

  • Control valve

    CN220850762U