CN213420018U - Mud pump relief valve - Google Patents

Mud pump relief valve Download PDF

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Publication number
CN213420018U
CN213420018U CN202022586311.4U CN202022586311U CN213420018U CN 213420018 U CN213420018 U CN 213420018U CN 202022586311 U CN202022586311 U CN 202022586311U CN 213420018 U CN213420018 U CN 213420018U
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China
Prior art keywords
pressure relief
pressure
valve body
valve
cavity
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Active
Application number
CN202022586311.4U
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Chinese (zh)
Inventor
李磊
腾飞
张斌
蔡平基
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Sichuan Rock Drilling Machinery Co ltd
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Sichuan Rock Drilling Machinery Co ltd
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Priority to CN202022586311.4U priority Critical patent/CN213420018U/en
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Abstract

The utility model relates to the technical field of valves, and provides a slurry pump relief valve, which comprises a valve body, wherein the inner wall of the valve body is provided with a pressure relief baffle, the pressure relief baffle divides the inner cavity of the valve body into a working cavity and a pressure relief cavity, one side of the working cavity of the valve body is provided with a slurry inlet and a slurry outlet, and one side of the pressure relief cavity of the valve body is provided with a slurry relief port; the pressure relief baffle is provided with the through-hole, and the valve body inner wall of pressure relief chamber place side rotates and is provided with sealedly the pressure relief board of through-hole, be provided with reset spring on the pressure relief board, the pressure relief board can be opened when the working chamber oil pressure is too high the through-hole pressure release, and can pass through after the pressure relief is accomplished reset spring closes the through-hole. The utility model discloses simple structure, when work chamber pressure exceedes reset spring atress critical greatly, reset spring is compressed, and the pressure release board is pressed under the mud pressure effect and is rotated, opens the through-hole, and mud is discharged from letting out the thick liquid mouth, accomplishes the pressure release, convenient to use.

Description

Mud pump relief valve
Technical Field
The utility model relates to the technical field of valves, particularly, relate to a mud pump relief valve.
Background
The pressure relief valve is also called a safety valve (safety valve), can be automatically opened and closed according to the working pressure of the system, and is generally installed on equipment or a pipeline of a closed system to protect the safety of the system. When the pressure in the equipment or the pipeline exceeds the set pressure of the pressure release valve, the pressure release valve is automatically opened, the medium pressure in the equipment or the pipeline is ensured to be below the set pressure, the equipment and the pipeline are protected, and accidents are prevented.
The pressure relief valve is an important safety protection part in a hydraulic system, and the pressure relief valve has the function of ensuring that the oil outlet amount is kept at a stable amount under any pressure, so that the normal operation of the whole system is ensured. The art is constantly seeking to provide new, more efficient, configurations for pressure relief valves.
The pressure release valve in the prior art is complex in structure, complex in process and high in cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud pump relief valve to solve the not enough problem of prior art.
The embodiment of the utility model discloses a realize through following technical scheme:
a mud pump relief valve comprises a valve body, wherein a pressure relief baffle is arranged on the inner wall of the valve body, the pressure relief baffle divides an inner cavity of the valve body into a working cavity and a pressure relief cavity, a slurry inlet and a slurry outlet are formed in one side of the working cavity of the valve body, and a slurry relief opening is formed in one side of the pressure relief cavity of the valve body;
the pressure relief baffle is provided with the through-hole, and the valve body inner wall of pressure relief chamber place side rotates and is provided with sealedly the pressure relief board of through-hole, be provided with reset spring on the pressure relief board, the pressure relief board can be opened when the working chamber oil pressure is too high the through-hole pressure release, and can pass through after the pressure relief is accomplished reset spring closes the through-hole.
Further, one side of pressure release baffle towards pressure release board is provided with the annular along the periphery of through-hole, pressure release board corresponds the annular and is provided with annular arch, annular arch covers there is annular cushion.
Furthermore, a first hinged support is arranged on the inner wall of the valve body on the side where the pressure relief cavity is located, and one side of the pressure relief plate is hinged with the first hinged support through a pivot.
Furthermore, the reset spring and the pressure relief plate are arranged in a crossed mode, one end of the reset spring is rotatably connected with the pressure relief plate, and the other end of the reset spring is rotatably connected with the inner wall of the valve body.
Further, a manual valve is arranged on the pressure relief plate.
Furthermore, the manual valve comprises a connecting rod, a pull rod and a valve handle, one end of the connecting rod is hinged to the pressure relief plate, the other end of the connecting rod is connected with one end of the pull rod, the pull rod horizontally extends out of the valve body from the pressure relief cavity, the valve handle is arranged at the tail end of the pull rod, and when the pull rod is pulled outwards, the pull rod can drive the pressure relief plate to rotate through the connecting rod.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the utility model discloses simple structure, when work chamber pressure exceedes reset spring atress critical greatly, reset spring is compressed, and the pressure release board is pressed under the mud pressure effect and is rotated, opens the through-hole, and mud is discharged from letting out the thick liquid mouth, accomplishes the pressure release, convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is the utility model discloses embodiment 1 provides a structural schematic of slush pump relief valve.
Icon: 1-valve body, 2-pressure relief baffle, 3-working chamber, 4-pressure relief chamber, 5-slurry inlet, 6-slurry outlet, 7-slurry outlet, 8-through hole, 9-first hinge seat, 10-pressure relief plate, 11-annular bulge, 12-annular rubber pad, 13-return spring, 14-connecting rod, 15-pull rod, 16-valve handle and 17-sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, the embodiment provides a slurry pump relief valve, which includes a valve body 1, the valve body 1 has an inner cavity, a cylindrical pressure relief baffle 2 is integrally formed on the inner wall of the valve body 1, the pressure relief baffle 2 divides the inner cavity of the valve body 1 into a working cavity 3 and a pressure relief cavity 4, a slurry inlet 5 and a slurry outlet 6 are arranged on one side of the working cavity 3 of the valve body 1, and a slurry relief opening 7 is arranged on one side of the pressure relief cavity 4 of the valve body 1;
the center of pressure release baffle 2 is provided with through- hole 8, and 1 inner wall of the valve body of 4 places sides in pressure release chamber is adjacent pressure release baffle 2 is provided with first free bearing 9, pivot articulated have pressure release board 10 on the first free bearing 9, pressure release board 10 hugs closely with pressure release baffle 2, and pressure release baffle 2 is provided with the annular along through-hole 8's periphery towards a side surface of pressure release board 10, and pressure release board 10 just corresponds the annular to the surface of annular and is provided with annular arch 11, annular arch 11 surface is glued and is covered with annular cushion 12. The one side center that pressure release board 10 deviates from pressure release baffle 2 is provided with the free bearing, rotate on the free bearing and be provided with the pivot, reset spring 13's one end winding is on pressure release board 10's free bearing pivot, and reset spring 13's the other end is the same winding on the free bearing pivot of pressure release chamber 4 place side valve body 1 inner wall, and this reset spring 13 supports pressure release board 10 and supports to lean on pressure release baffle 2 with through-hole 8 inclosed the time, impress annular bulge 11 in the annular, form sealedly.
Therefore, the working principle of the pressure relief valve of the slurry pump provided by the embodiment is as follows: when slurry enters the working cavity 3 from the slurry inlet 5 and flows out from the slurry outlet 6, and when special conditions are met, the pressure in the working cavity 3 is too high, and the pressure acting on the pressure relief plate 10 is larger than the critical value of the spring, the spring is pressed, the pressure relief plate 10 rotates around the pivot on the first hinge seat 9 under the action of the pressure of the slurry, the through hole 8 on the pressure relief baffle plate 2 is opened, and the slurry flows out from the slurry outlet 7 to complete pressure relief.
In addition, the pressure release board 10 still is provided with manual valve, is convenient for at the manual pressure release under the special circumstances, manual valve includes connecting rod 14, pull rod 15 and valve handle 16, the one end of connecting rod 14 is articulated with the one end pivot that pressure release board 10 kept away from first free bearing 9, and the other end of connecting rod 14 is articulated with the one end pivot of pull rod 15, pull rod 15 from pressure release chamber 4 level extend to outside the valve body 1, and set up at the end valve handle 16, pull rod 15 and valve body 1 lateral wall sealing ring 17 sealing connection, it needs to point out that, in this application, the perpendicular distance that connecting rod 14 and pressure release board 10 articulated point to first free bearing 9 is greater than the distance that connecting rod 14 and pull rod 15 articulated mutually are got to first free bearing 9 all the time, like this when outwards pulling during pull rod 15, pull rod 15 can drive pressure release board 10 rotates through connecting rod 14, accomplishes manual pressure release.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a slush pump relief valve which characterized in that: the slurry discharging valve comprises a valve body (1), wherein a pressure relief baffle (2) is arranged on the inner wall of the valve body (1), the inner cavity of the valve body (1) is divided into a working cavity (3) and a pressure relief cavity (4) by the pressure relief baffle (2), a slurry inlet (5) and a slurry outlet (6) are arranged on one side of the working cavity (3) of the valve body (1), and a slurry relief port (7) is arranged on one side of the pressure relief cavity (4) of the valve body (1);
pressure release baffle (2) are provided with through-hole (8), and the valve body (1) inner wall of pressure release chamber (4) place side rotates and is provided with sealedly pressure release board (10) of through-hole (8), be provided with reset spring (13) on pressure release board (10), pressure release board (10) can be opened when working chamber (3) oil pressure is too high through-hole (8) pressure release, and can pass through after the pressure release is accomplished reset spring (13) are closed through-hole (8).
2. The mud pump pressure relief valve of claim 1, wherein: pressure release baffle (2) are provided with the annular towards one side of pressure release board (10) along the periphery of through-hole (8), pressure release board (10) correspond the annular and are provided with annular arch (11), annular arch (11) cover has annular cushion (12).
3. The mud pump pressure relief valve of claim 1, wherein: a first hinged support (9) is arranged on the inner wall of the valve body (1) at the side of the pressure relief cavity (4), and one side of the pressure relief plate (10) is hinged with the first hinged support (9) through a pivot.
4. The mud pump pressure relief valve of claim 1, wherein: the reset spring (13) and the pressure relief plate (10) are arranged in a crossed mode, one end of the reset spring is rotatably connected with the pressure relief plate (10), and the other end of the reset spring is rotatably connected with the inner wall of the valve body (1).
5. The mud pump pressure relief valve of claim 1, wherein: the pressure relief plate (10) is also provided with a manual valve.
6. The mud pump pressure relief valve of claim 5, wherein: the manual valve comprises a connecting rod (14), a pull rod (15) and a valve handle (16), one end of the connecting rod (14) is hinged to the pressure relief plate (10), the other end of the connecting rod (14) is hinged to one end of the pull rod (15), the pull rod (15) horizontally extends out of the valve body (1) from the pressure relief cavity (4) and the valve handle (16) is arranged at the tail end of the valve body, and when the pull rod (15) is pulled outwards, the pull rod (15) can drive the pressure relief plate (10) to rotate through the connecting rod (14).
CN202022586311.4U 2020-11-10 2020-11-10 Mud pump relief valve Active CN213420018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022586311.4U CN213420018U (en) 2020-11-10 2020-11-10 Mud pump relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022586311.4U CN213420018U (en) 2020-11-10 2020-11-10 Mud pump relief valve

Publications (1)

Publication Number Publication Date
CN213420018U true CN213420018U (en) 2021-06-11

Family

ID=76252339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022586311.4U Active CN213420018U (en) 2020-11-10 2020-11-10 Mud pump relief valve

Country Status (1)

Country Link
CN (1) CN213420018U (en)

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