Wear-resistant overflow valve

Abstract

The utility model discloses a wear-resistant overflow valve. The wear-resistant overflow valve comprises a knob; the water pressure adjusting device is assembled at the bottom of the knob and is used for controlling pressure generated during overflow; the locking table device is assembled on the outer surface of the water pressure adjusting device; according to the device, the overflow groove is covered with the annular air bag, and the annular air bag is mainly used for preventing water or other fluid from leaking through the ball groove to affect the sealing performance of the valve when the ball body moves in the ball groove. The annular air bag is connected with the fan through the air pipe, the fan is fixed to the outer surface of the control shell, airflow is provided for the air pipe by adjusting the fan, expansion and contraction of the annular air bag are controlled, the position change of the ball body is dynamically adapted, contact with the ball groove is kept, and it is ensured that no fluid leaks out of the groove. By means of the design, the sealing performance and reliability of the valve are improved, and particularly in the environment of high pressure or frequent operation, abrasion can be remarkably reduced, and the service life of the valve can be remarkably prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overflow valve more specifically, the utility model relates to a kind of wear-resistant overflow valve. BACKGROUND

[0002] Overflow valve is a kind of element for controlling pressure in hydraulic system, it can keep the pressure in system not more than set value. When system pressure exceeds set value, overflow valve will open, allow excess liquid to flow through valve, to release pressure, prevent system overpressure. It acts as safety device in hydraulic system, protects equipment from damage by excessive pressure.

[0003] After retrieval, the existing patent (announcement number: CN217207926U) discloses a direct-acting overflow valve. Its technical scheme includes: valve body and valve core, the outer surface of the valve body is installed with locking table near the top, the outer surface of the valve body is installed with connecting table at the bottom of locking table, the inner surface of the valve body is sleeved with wear-resistant ring at the middle position, the inner surface of the wear-resistant ring is sleeved with valve core near the bottom, the top of the valve body is sleeved with adjusting column A at the middle, the adjusting column A is sleeved with adjusting column B at the middle position in the inner surface, the adjusting column A and valve core are installed with spring A at the gap position. The utility model solves the problem that the existing device adopts single adjusting column to adjust valve core opening pressure, cannot finely adjust overflow valve pressure, and the inner surface strength of valve body is low, and it is easy to wear after long-term use, and the service life is not good, the opening pressure of overflow valve is conveniently adjusted, and the use practicality of overflow valve is improved.

[0004] But the above-mentioned device although it is provided with ball, carries out wear treatment, but actually in the case where water pressure is too large, water will penetrate from the position of ball groove, to cause the effect of anti-overflow to weaken. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of prior art, the utility model provides a kind of wear-resistant overflow valve, to solve the problem that water will penetrate from the position of ball groove.

[0006] To solve the above technical problems, the utility model provides technical schemes as follows: A wear -resisting overflow valve, include: knob, water pressure adjusting device is assembled in the bottom of knob, water pressure adjusting device is used for controlling the pressure generated when overflowing, locking platform device is assembled in the outer surface of water pressure adjusting device, locking platform device is used for installing water pressure adjusting device, overflow control device is assembled in the bottom of locking platform device, overflow control device is used for controlling overflow, sealing anti -overflow device is assembled in one side of overflow control device, sealing anti -overflow device is used for preventing the phenomenon of water leakage when adjusting, the liquid inlet is opened in the outer surface of overflow control device, the liquid inlet is used for input water source, the liquid outlet is opened in the outer surface of overflow control device, the liquid outlet is used for output water source.

[0007] Preferably, the water pressure adjusting device comprises: a threaded sleeve fixedly installed at the bottom of the knob, a threaded shaft installed at the bottom of the knob, a spring fixedly installed at the bottom of the threaded shaft, and a nut movably sleeved on the outer surface of the threaded sleeve.

[0008] Preferably, the locking platform device comprises: a locking shell threadedly connected at the bottom of the nut, a circular hole formed in the locking shell, the spring movably installed in the circular hole, and a communication hole one formed in the locking shell.

[0009] Preferably, the overflow control device comprises: a control shell fixedly installed at the bottom of the locking shell, a communication hole two formed in the control shell, a ball groove formed in the control shell, a ball body movably installed in the ball groove, and a valve core assembly arranged in the control shell.

[0010] Preferably, the overflow control device further comprises: an overflow groove formed in the control shell, a limiting block fixedly installed in the control shell, and a pressurization adjusting hole fixedly installed at the bottom of the control shell.

[0011] Preferably, the valve core assembly comprises: a valve core body movably installed in the control shell, a connecting column fixedly installed at the top of the valve core body, a ball moving groove formed on the outer surface of the valve core body, and the bottom of the spring fixedly connected with the top of the valve core body.

[0012] Preferably, the sealing anti -overflow device comprises: an annular air bag fixedly installed in the control shell, the annular air bag arranged on the overflow groove, a tube groove formed on the control shell, a gas tube fixedly installed in the tube groove, and one end of the gas tube fixedly connected with the annular air bag.

[0013] Preferably, the sealing anti-overflow device further comprises: a fan fixedly installed on the outer surface of the control housing, and the bottom end of the fan is fixedly connected with the top end of the air pipe.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The annular air bag is connected with the fan through the air pipe, the fan is fixed on the outer surface of the control housing, the air flow is provided to the air pipe by adjusting the fan, the expansion and contraction of the annular air bag are controlled, the position change of the ball body is dynamically adapted, the contact with the ball groove is maintained, and it is ensured that no fluid leaks out of the groove. This design improves the sealing performance and reliability of the valve, especially in high-pressure or frequent operation environment, can significantly reduce wear and tear and prolong the service life of the valve. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the water pressure regulating device, locking platform device structure schematic diagram of the utility model;

[0018] Figure 3 It is the overflow control device structure schematic diagram of the utility model;

[0019] Figure 4 It is the valve core assembly structure schematic diagram of the utility model;

[0020] Figure 5 It is the sealing anti-overflow device structure schematic diagram of the utility model.

[0021] REFERENCE NUMERALS

[0022] 1, knob;2, water pressure regulating device;3, locking platform device;4, overflow control device;5, sealing anti-overflow device;6, liquid inlet;7, liquid outlet;201, threaded sleeve;202, threaded shaft;203, spring;204, nut;301, locking housing;302, round hole;303, communication hole one;401, control housing;402, communication hole two;403, ball groove;404, ball body;405, valve core assembly;406, overflow tank;407, limiting block;408, pressure adjusting hole;409, valve core body;410, connecting column;411, ball moving groove;501, annular air bag;502, pipe groove;503, air pipe;504, fan. DETAILED DESCRIPTION

[0023] The following will be combined with 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. Example 1

[0024] The preferred embodiment of the wear-resistant overflow valve provided by the present invention is as follows: Figures 1 to 5 As shown: it includes: a knob 1; a water pressure regulating device 2 assembled at the bottom of the knob 1, the water pressure regulating device 2 is used to control the pressure generated during overflow; a locking platform device 3 assembled on the outer surface of the water pressure regulating device 2, the locking platform device 3 is used to install the water pressure regulating device 2; an overflow control device 4 assembled at the bottom of the locking platform device 3, the overflow control device 4 is used to control overflow; a sealing and anti-overflow device 5 assembled on one side of the overflow control device 4, the sealing and anti-overflow device 5 is used to prevent water leakage during adjustment; a liquid inlet 6 opened on the outer surface of the overflow control device 4, the liquid inlet 6 is used to input water; a liquid outlet 7 opened on the outer surface of the overflow control device 4, the liquid outlet 7 is used to output water.

[0025] In this embodiment, the water pressure regulating device 2 includes: a threaded sleeve 201 fixedly installed at the bottom of the knob 1, a threaded shaft 202 installed at the bottom of the knob 1, a spring 203 fixedly installed at the bottom of the threaded shaft 202, and a nut 204 movably sleeved on the outer surface of the threaded sleeve 201.

[0026] In this embodiment, the locking platform device 3 includes: a locking shell 301 threadedly connected to the bottom of the nut 204, a circular hole 302 is opened inside the locking shell 301, the spring 203 is movably installed inside the circular hole 302, and a connecting hole 303 is opened inside the locking shell 301.

[0027] In this embodiment, the overflow control device 4 includes: a control shell 401 fixedly installed at the bottom of the locking shell 301, a connecting hole 2 402 is opened inside the control shell 401, a ball groove 403 is opened inside the control shell 401, a ball body 404 is movably installed inside the ball groove 403, and a valve core assembly 405 is arranged inside the control shell 401.

[0028] In this embodiment, the overflow control device 4 further includes: an overflow groove 406 provided inside the control housing 401 ; a limit block 407 fixedly installed inside the control housing 401 ; and a pressurization regulating hole 408 fixedly installed at the bottom of the control housing 401 .

[0029] In this embodiment, the valve core assembly 405 comprises: a valve core body 409 movably mounted inside the control housing 401, a connecting column 410 fixedly mounted on the top of the valve core body 409, and a ball moving groove 411 formed on the outer surface of the valve core body 409, and the bottom of the spring 203 is fixedly connected with the top of the valve core body 409.

[0030] The water pressure adjusting device 2 is matched with the threaded sleeve 201 through the threaded shaft 202 at the bottom of the knob 1 and the spring 203, the threaded sleeve 201 is movably sleeved with a nut 204 on the outer surface, and the water pressure is adjusted. The locking platform device 3 is composed of a locking housing 301 threaded at the bottom of the nut 204, a spring 203 movably mounted in a circular hole 302 in the inside of the locking housing 301, and a communication hole 303. The overflow control device 4 is fixed at the bottom of the locking housing 301 and comprises a control housing 401, a communication hole 402 in the control housing 401, a ball groove 403, a ball body 404 and a valve core assembly 405. The control housing 401 is also provided with an overflow groove 406 and a limiting block 407, and the bottom is provided with a pressure adjusting hole 408. The valve core assembly 405 comprises a valve core body 409 and a connecting column 410 at the top, the outer surface of the valve core body 409 has a ball moving groove 411, and the bottom of the spring 203 is fixedly connected with the top of the valve core body 409. The design of the whole device aims to provide accurate water pressure adjustment and reliable overflow control, and ensure the stability and safety of the system. Embodiment two

[0031] On the basis of embodiment one, the preferable embodiment of the wear-resistant overflow valve provided by the utility model like Figures 1 to 5 As shown: the sealing and anti-overflow device 5 comprises: an annular air bag 501 movably mounted in the control housing 401, the annular air bag 501 is arranged on the overflow groove 406; a pipe groove 502 is formed on the control housing 401, a gas pipe 503 is fixedly mounted in the pipe groove 502, one end of the gas pipe 503 is fixedly connected with the annular air bag 501, and the control housing 401.

[0032] In this embodiment, the sealing and anti-overflow device 5 further comprises: a fan 504 fixedly mounted on the outer surface of the control housing 401, and the bottom end of the fan 504 is fixedly connected with the top end of the gas pipe 503.

[0033] The sealing and anti-overflow device 5 covers the overflow groove 406 with an annular air bag 501, which mainly prevents water or other fluids from leaking through the ball groove 403 when the ball body 404 moves in the ball groove 403, thereby affecting the sealing performance of the valve. The annular air bag 501 is connected to the fan 504 through an air pipe 503, and the fan 504 is fixed on the outer surface of the control housing 401. By adjusting the airflow provided by the fan 504 to the air pipe 503, the expansion and contraction of the annular air bag 501 are controlled, dynamically adapting to the position changes of the ball body 404, maintaining contact with the ball groove 403, and ensuring that no fluid leaks from the groove. This design improves the sealing and reliability of the valve, especially in high-pressure or frequently operated environments, significantly reducing wear and tear and prolonging the service life of the valve.

[0034] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0035] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0036] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A wear resistant spill valve characterized in that, It includes: knob (1); water pressure adjusting device (2) assembled at the bottom of the knob (1), the water pressure adjusting device (2) is used for controlling the pressure generated when overflow; Locking platform device (3) assembled on the outer surface of the water pressure adjusting device (2), the locking platform device (3) is used for installing the water pressure adjusting device (2); Overflow control device (4) assembled at the bottom of the locking platform device (3), the overflow control device (4) is used for controlling the overflow; Sealing anti-overflow device (5) assembled on one side of the overflow control device (4), the sealing anti-overflow device (5) is used for preventing the phenomenon of water leakage during adjustment; The inlet (6) is opened in the outer surface of the overflow control device (4), and the inlet (6) is used for inputting water source; The outlet (7) is opened in the outer surface of the overflow control device (4), and the outlet (7) is used for outputting water source.

2. A wear resistant spill valve according to claim 1 wherein, The water pressure adjusting device (2) includes: The threaded sleeve (201) is fixedly installed at the bottom of the knob (1), the bottom of the knob (1) is provided with a threaded shaft (202), the bottom of the threaded shaft (202) is fixedly provided with a spring (203), and the outer surface of the threaded sleeve (201) is movably sleeved with a nut (204).

3. A wear resistant spill valve according to claim 2, wherein, The locking platform device (3) includes: The locking shell (301) is threadedly connected at the bottom of the nut (204), the locking shell (301) is provided with a circular hole (302) in the inside, the spring (203) is movably installed in the inside of the circular hole (302), and the locking shell (301) is provided with a communication hole (303) in the inside.

4. A wear resistant spill valve according to claim 3, wherein, The overflow control device (4) includes: The control shell (401) is fixedly installed at the bottom of the locking shell (301), the control shell (401) is provided with a communication hole (402) in the inside, the control shell (401) is provided with a ball groove (403) in the inside, the ball groove (403) is movably installed with a ball body (404) in the inside, and the control shell (401) is provided with a valve core assembly (405) in the inside.

5. A wear resistant spill valve according to claim 4 wherein, The overflow control device (4) further includes: The overflow groove (406) is opened in the inside of the control shell (401); The limiting block (407) is fixedly installed in the inside of the control shell (401), and the bottom of the control shell (401) is fixedly provided with a pressure adjusting hole (408).

6. A wear resistant spill valve according to claim 5 wherein, The valve core assembly (405) includes: The valve core body (409) is movably installed in the inside of the control shell (401), the top of the valve core body (409) is fixedly provided with a connecting column (410), the outer surface of the valve core body (409) is provided with a ball moving groove (411), and the bottom of the spring (203) is fixedly connected with the top of the valve core body (409).

7. A wear resistant spill valve according to claim 6 wherein, The sealing anti-overflow device (5) includes: The annular air bag (501) is fixedly installed in the inside of the control shell (401), and the annular air bag (501) is arranged on the overflow groove (406); A pipe groove (502) is opened on the control shell (401), an air pipe (503) is fixedly installed inside the pipe groove (502), one end of the air pipe (503) is fixedly connected with the annular air bag (501), and the control shell (401).

8. A wear resistant spill valve according to claim 7, wherein, The sealing and anti-overflow device (5) further comprises: A fan (504) is fixedly installed on the outer surface of the control shell (401), and the bottom end of the fan (504) is fixedly connected with the top end of the air pipe (503).

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