Manual flat valve with self-locking anti-loosening structure

By introducing a locking assembly and support unit into the manual flat valve, the problem of threaded rod loosening due to vibration is solved, thereby improving the stability and durability of the valve body. Furthermore, the automatic transmission of the structure enhances its practicality.

CN223754669UActive Publication Date: 2026-01-02GUANGHAN HUAYOU DRILLING & PROD EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520528680.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-01-02
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Traditional manual flat valves lack a self-locking anti-loosening structure, causing the threaded rod to loosen due to vibration and wear during long-term conveying.

Method used

A self-locking anti-loosening structure with a yoke assembly and a support unit was designed. The shock absorber and clamping block on the yoke frame absorb the vibration caused by the liquid flow, and the threaded rod is prevented from loosening by the support of the plug rod and the spring seat.

Benefits of technology

It effectively prevents the threaded rod from loosening due to long-term vibration, improves the stability and service life of the valve body, and eliminates the need for manual operation, making it more practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a manual flat valve with a self-locking anti-loose structure, and relates to the technical field of manual flat valves, the manual flat valve comprises a flat valve cylinder, the flat valve cylinder comprises a valve cylinder main body, a vertical baffle plate, a butt joint cylinder and a transverse baffle plate, the surface of the butt joint cylinder is provided with a sealing cover, the surface of the sealing cover is provided with shackle assemblies, and the shackle assemblies are connected with the valve cylinder main body. The shackle assembly comprises a shackle frame, a shock absorber and a clamping block. By arranging the supporting unit, the inserting rod can enter the groove hole of the valve body main plate and extrude the spring seat after the valve body main plate moves upwards, the inserting rod can support the valve body main plate to improve the impact bearing capacity after going deep, and meanwhile the spring seat is compressed to generate counter-acting force to abut against the valve body main plate to improve the vertical stability of the valve body main plate; according to the manual valve, the clamping block can keep being attached to and clamped with the threaded rod under the action of the shock absorber, so that vibration generated by the manual valve body due to liquid flowing conduction can be effectively absorbed, and the threaded rod is prevented from being abraded and loosened due to long-time vibration.
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Description

TECHNICAL FIELD

[0001] The utility model relates to manual flat valve technical field, concretely relates to a manual flat valve with self locking anti loosening structure. BACKGROUND

[0002] Manual flat valve is mainly used on natural gas, petroleum, chemical industry, environmental protection, city pipeline, gas pipeline and so on conveying pipeline and gas storage device, is used as opening and closing equipment. When manual flat valve is in the open state, because the thread on the surface of valve rod is long, so need to rotate valve rod constantly, can only separate valve plug and valve flap, in some special circumstances, need to open flat valve quickly and dredge, and traditional flat valve does not have the function of quick opening.

[0003] In the prior art, the patent document with the announcement number CN219673332U is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: a kind of manual flat valve, including valve seat, the top of valve seat is equipped with valve cover by bolt, the whole design of this kind of manual flat valve is novel, simple structure, the design of spring can be quickly lifted up to valve rod, to reach the function of quick opening, greatly improve convenience.

[0004] But there will be the condition that the manual flat valve is not provided with self locking anti loosening structure, and then lead to the condition that thread rod is loosened due to vibration and abrasion after long time conveying. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of manual flat valve with self locking anti loosening structure to solve the problems raised in the above background.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0007] A kind of manual flat valve with self locking anti loosening structure, including flat valve cylinder, the flat valve cylinder includes valve cylinder main body, vertical baffle, butt joint cylinder and horizontal baffle, the surface of butt joint cylinder is provided with closure cover, the surface of closure cover is provided with shackles component, the shackles component includes shackles frame, shock absorber and clamping block, the penetration of closure cover is provided with manual valve body, the manual valve body includes threaded rod, manual wheel and valve body main plate;

[0008] The closure cover includes cover unit and support unit, the cover unit is arranged on the surface of butt joint cylinder, and the cover unit includes closure cover main body, support frame and fixing bolt, the support unit includes plug rod and spring seat.

[0009] The further improvement of the utility model technical scheme lies in: the vertical baffle is fixedly installed on the inner surface of the valve barrel main body, the butt joint barrel is fixedly installed on the top surface of the valve barrel main body, and the horizontal baffle is fixedly installed on the inner surface of the butt joint barrel, which can effectively cooperate with the valve body main plate to close the inside of the valve barrel main body by setting the vertical baffle and the horizontal baffle.

[0010] The further improvement of the utility model technical scheme lies in: the closure cover main body is bolted on the top surface of the butt joint barrel, the support frame is fixedly installed on the top surface of the closure cover main body, and the fixed bolt is insertedly installed on the surface of the support frame, which can improve the stability during rotation by setting the support frame.

[0011] The further improvement of the utility model technical scheme lies in: the insertion rod is fixedly installed on the bottom surface of the closure cover main body, and the surface of the insertion rod is provided with a ventilation hole, which can realize that the insertion rod enters the slot hole of the valve body main plate and extrudes the spring seat after moving back on the valve body main plate by setting the support unit, can support the valve body main plate after the insertion rod is deeply inserted to improve the impact resistance, and the spring seat compression can generate a counterforce to abut against the valve body main plate to improve the vertical stability.

[0012] The further improvement of the utility model technical scheme lies in: the chain lock frame is fixedly installed on the surface of the closure cover main body, the shock absorber is fixedly installed in the inner groove of the chain lock frame, and the clamping block is fixedly installed on one end of the shock absorber, which can keep the clamping block abutting and clamping the threaded rod under the action of the shock absorber by setting the chain lock assembly, thereby effectively absorbing the vibration of the manual valve body caused by liquid flow conduction, and preventing the threaded rod from being abraded and loosened due to long-time vibration.

[0013] The further improvement of the utility model technical scheme lies in: the threaded rod is screwed on the surface of the closure cover main body through the chain lock frame, the manual wheel is fixedly installed on the top end of the threaded rod, and the valve body main plate is slidingly installed on the bottom end of the threaded rod, which can realize that the threaded rod rotates to drive the valve body main plate to move up and down without rotating by adopting the sliding connection of the valve body main plate and the threaded rod.

[0014] The further improvement of the utility model technical scheme lies in: the threaded rod is screw-connected with the support frame, the spring seat is placed in the valve body main plate, and the insertion rod is slidingly connected with the valve body main plate.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] 1. The utility model provides a take self -locking anti -loose structure's manual flat plate valve, through setting up support unit, can realize the plug -in rod into its slot hole and extrude spring seat on the valve body mainboard shifts behind, can support its after the plug -in rod goes in depth and improve the ability of bearing impact, the spring seat compression produces the reaction force can resist the valve body mainboard and improve its vertical stability.

[0017] 2. The utility model provides a take self -locking anti -loose structure's manual flat plate valve, through setting up the lock assembly, can make the clamping block keep with the screw rod and adhere to clamping under the action of the shock absorber, thereby can effectively absorb the vibration that liquid flow conduction causes manual valve body produces, prevents long time vibration and causes the wear and tear loosening of screw rod.

[0018] 3. The utility model provides a take self -locking anti -loose structure's manual flat plate valve, through the cooperation of support unit and the lock assembly, can effectively improve the stability of manual valve body and does not influence its normal function, and two groups of structures are automatic transmission type and do not need manual operation, and its practicality is stronger. ACCURACY

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the section structure schematic diagram of the utility model;

[0021] Figure 3 It is the utility model Figure 2 A place enlarged structure schematic diagram;

[0022] Figure 4 It is the closed cover and manual valve body structure schematic diagram of the utility model;

[0023] Figure 5 It is the utility model Figure 4 B place enlarged structure schematic diagram.

[0024] In the drawing: 1, flat plate valve cylinder; 2, closed cover; 3, lock assembly; 4, manual valve body; 11, valve cylinder main body; 12, vertical baffle; 13, butt joint cylinder; 14, horizontal baffle; 21, closed cover main body; 22, support frame; 23, fixed bolt; 24, plug-in rod; 25, air hole; 26, spring seat; 31, lock frame; 32, shock absorber; 33, clamping block; 41, screw rod; 42, manual wheel; 43, valve body mainboard. SPECIFIC IMPLEMENTATION

[0025] The utility model will be further explained in detail in connection with examples:

[0026] Example 1

[0027] As Figures 1-5The utility model provides a kind of manual flat valve with self-locking anti-loose structure, including flat valve cylinder 1, flat valve cylinder 1 includes valve cylinder main body 11, vertical baffle 12, butt joint cylinder 13 and transverse baffle 14, the surface of butt joint cylinder 13 is provided with closure cap 2, the surface of closure cap 2 is provided with shackles component 3, shackles component 3 includes shackles frame 31, shock absorber 32 and clamping block 33, closure cap 2 is provided with manual valve body 4, and manual valve body 4 includes threaded rod 41, manual wheel 42 and valve body main plate 43;Closure cap 2 includes cover unit and support unit, cover unit is arranged on the surface of butt joint cylinder 13, and cover unit includes closure cap main body 21, support frame 22 and fixed bolt 23, support unit includes plug rod 24 and spring seat 26, by the cooperation of support unit and shackles component 3, the stability of manual valve body 4 can be effectively improved without affecting its normal function, and the utility of the two groups of structures is stronger, which is automatic transmission type without manual operation.

[0028] Embodiment 2

[0029] As Figures 1-5 shown, on the basis of embodiment 1, the utility model provides a kind of technical scheme: preferably, vertical baffle 12 is fixedly installed on the inner surface of valve cylinder main body 11, butt joint cylinder 13 is fixedly installed on the top surface of valve cylinder main body 11, transverse baffle 14 is fixedly installed on the inner surface of butt joint cylinder 13, closure cap main body 21 is bolted on the top surface of butt joint cylinder 13, support frame 22 is fixedly installed on the top surface of closure cap main body 21, fixed bolt 23 is inserted and installed on the surface of support frame 22, plug rod 24 is fixedly installed on the bottom surface of closure cap main body 21, air hole 25 is formed on the surface of plug rod 24, by setting support unit, plug rod 24 can be inserted into its slot hole and extrude spring seat 26 after moving on valve body main plate 43, plug rod 24 can be supported after deepening to improve the ability of impact bearing, and the reaction force generated by compression spring seat 26 can resist valve body main plate 43 to improve its vertical stability.

[0030] Embodiment 3

[0031] As Figures 1-5As shown, based on embodiments 1-2, this utility model provides a technical solution: Preferably, the yoke frame 31 is fixedly installed on the surface of the closed cover body 21, the shock absorber 32 is fixedly installed in the inner groove of the yoke frame 31, the clamping block 33 is fixedly installed at one end of the shock absorber 32, the threaded rod 41 passes through the yoke frame 31 and is threadedly installed on the surface of the closed cover body 21, the manual wheel 42 is fixedly installed at the top end of the threaded rod 41, the valve body main plate 43 is slidably installed at the bottom end of the threaded rod 41, the threaded rod 41 and the support frame 22 are threadedly connected, the spring seat 26 is placed inside the valve body main plate 43, and the insert rod 24 is slidably connected to the valve body main plate 43. By setting the yoke assembly 3, the clamping block 33 can be kept in close contact with the threaded rod 41 under the action of the shock absorber 32, thereby effectively absorbing the vibration of the manual valve body 4 caused by the liquid flow and preventing the threaded rod 41 from wearing and loosening due to long-term vibration.

[0032] The working principle of a manual flat valve with a self-locking anti-loosening structure will be explained in detail below.

[0033] like Figures 1-5 As shown, when using the manual flat valve, the valve body 11 is connected to the pipeline by bolts. When it is necessary to open the valve port, the hand crank 42 is rotated to make the threaded rod 41 rotate. During the process of the threaded rod 41 rising, it will drive the valve body main plate 43 to move upward and move away from the vertical baffle 12, thereby opening the valve port and allowing the liquid to flow.

[0034] As the valve body main plate 43 rises, the insert rod 24 continuously enters its slot and compresses the spring seat 26. The combined action of the insert rod 24 and the spring seat 26 can improve the stability of the valve body main plate 43.

[0035] Meanwhile, the shock absorber 32 inside the yoke frame 31 can act on the clamping block 33 to keep it in contact with the threaded rod 41, thereby effectively absorbing the vibration of the manual valve body 4 caused by the liquid flow and realizing self-locking and anti-loosening.

[0036] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A hand-operated flat valve with self-locking anti-loose structure, comprising a flat valve cylinder (1), the flat valve cylinder (1) comprising a valve cylinder body (11), a vertical baffle (12), a butt joint cylinder (13) and a transverse baffle (14), characterized in that: The surface of the docking cylinder (13) is provided with a closure cover (2), the surface of the closure cover (2) is provided with a padlock assembly (3), the padlock assembly (3) comprises a padlock rack (31), a shock absorber (32) and a clamping block (33), the closure cover (2) is provided with a manual valve body (4), the manual valve body (4) comprises a threaded rod (41), a manual wheel (42) and a valve body main plate (43). The closure cover (2) comprises a cover unit and a support unit, the cover unit is arranged on the surface of the docking cylinder (13), and the cover unit comprises a closure cover main body (21), a support rack (22) and a fixing bolt (23), the support unit comprises a plug rod (24) and a spring seat (26).

2. A hand operated flat valve with self-locking anti-loose structure according to claim 1, characterized in that: The vertical baffle (12) is fixedly installed on the inner surface of the valve cylinder main body (11), the docking cylinder (13) is fixedly installed on the top surface of the valve cylinder main body (11), and the horizontal baffle (14) is fixedly installed on the inner surface of the docking cylinder (13).

3. A hand operated flat valve with self-locking anti-loose structure according to claim 2, characterized in that: The closure cover main body (21) is bolted on the top surface of the docking cylinder (13), the support rack (22) is fixedly installed on the top surface of the closure cover main body (21), and the fixing bolt (23) is insertedly installed on the surface of the support rack (22).

4. A hand operated flat valve with self-locking anti-loose structure according to claim 3, characterized in that: The plug rod (24) is fixedly installed on the bottom surface of the closure cover main body (21), and the surface of the plug rod (24) is provided with a ventilation hole (25).

5. A hand operated flat valve with self-locking anti-loose structure according to claim 3, characterized in that: The padlock rack (31) is fixedly installed on the surface of the closure cover main body (21), the shock absorber (32) is fixedly installed in the inner groove of the padlock rack (31), and the clamping block (33) is fixedly installed at one end of the shock absorber (32).

6. A hand operated flat valve with self-locking anti-loose structure according to claim 4, characterized in that: The threaded rod (41) is threadedly installed on the surface of the closure cover main body (21) through the padlock rack (31), the manual wheel (42) is fixedly installed on the top end of the threaded rod (41), and the valve body main plate (43) is slidingly installed on the bottom end of the threaded rod (41).

7. A hand operated flat valve with self-locking anti-loose structure according to claim 6, characterized in that: The threaded rod (41) and the support rack (22) are threadedly connected, the spring seat (26) is placed in the valve body main plate (43), and the plug rod (24) and the valve body main plate (43) are slidingly connected.

Citation Information

Patent Citations

  • Manual flat valve

    CN219673332U