CN222209169U

CN222209169U - Check valve cover for mud pump, check valve assembly and mud pump thereof

Info

Publication number: CN222209169U
Application number: CN202421548658.1U
Authority: CN
Inventors: 罗继虎; 罗江超
Original assignee: Xianyang Xinporcelain Pump Co ltd
Current assignee: Xianyang Xinporcelain Pump Co ltd
Priority date: 2024-07-02
Filing date: 2024-07-02
Publication date: 2024-12-20
Anticipated expiration: 2034-07-02

Abstract

The utility model discloses a check valve cover for a mud pump, a check valve assembly and the mud pump. This a check valve gap for slush pump, connecting hole has been seted up at lid body center, and connecting piece fixed connection is in the connecting hole, and connecting piece other end integrated into one piece or fixed connection connecting cylinder, connecting cylinder inner wall fixed connection sliding cylinder. The check valve assembly for the slurry pump is characterized in that the upper end of a valve body is fixedly connected with a check valve cover for the slurry pump. The check valve cover structure has the advantages that the problem that in the prior art, the structural design of the check valve cover is unreasonable, the valve cover is replaced entirely, and the cost is increased and the material is seriously wasted is solved. This a check valve gap for slush pump, check valve subassembly and slush pump thereof guarantee the joint strength of connecting piece, satisfy connecting piece, connecting cylinder and slip section of thick bamboo and be a single subassembly, when the emergence damages, can be through timely dismantlement connecting piece, connecting cylinder and slip section of thick bamboo, the new connecting piece of change, connecting cylinder and slip section of thick bamboo are connected the lid body, can realize that the check valve resumes the work.

Description

One-way valve cover for slurry pump, one-way valve assembly and slurry pump

Technical Field

The utility model relates to the technical field of structural design of accessories of slurry pumps, in particular to a one-way valve cover and a one-way valve assembly for a slurry pump and the slurry pump.

Background

The opening and closing member is automatically opened or closed by the flow and force of the medium so as to prevent the medium from flowing backwards. The structure is divided into three types, namely a lifting one-way valve, a swing one-way valve and a butterfly one-way valve. These check valves are often used in plants, heating systems, compressed air, water supplies, etc., to prevent backflow or discharge.

In order to meet the up-and-down movement of the valve core structure and realize the function of unidirectional conduction, a cylinder structure for limiting the movement of the valve core needs to be designed on the valve cover.

In the prior art, the cylinder structure and the valve cover are in an integral structure, or the cylinder structure and the valve cover are connected in an isolated manner.

The cylinder structure and the valve cover are of an integral structure, so that the cost is increased, especially the cylinder structure is a loss piece, and in the long-term use process, when the cylinder is damaged, the valve cover can only be replaced together, so that the cost is increased seriously.

The isolated connecting surface which is used for connecting the cylinder body structure with the valve cover is too small, so that the connection strength between the cylinder body structure and the valve cover cannot be ensured, the connecting part between the connecting cylinder and the valve cover is easy to damage, and the use of the one-way valve is affected.

Therefore, the check valve cover in the prior art is unreasonable in structural design, the whole check valve cover is replaced, so that the cost is increased and the material is seriously wasted, or the cylinder structure is easily damaged, the whole slurry pump stops running, and the construction efficiency is seriously affected.

Disclosure of utility model

Accordingly, the present utility model is directed to a check valve cover for a slurry pump, a check valve assembly, and a slurry pump thereof, which reduce replacement costs, reduce material waste, and improve construction efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The one-way valve cover for the slurry pump comprises a cover body, a connecting piece, a connecting cylinder and a sliding cylinder, wherein the center of the cover body is provided with a connecting hole, the connecting piece is fixedly connected in the connecting hole, the other end of the connecting piece is integrally formed or fixedly connected with the connecting cylinder, and the inner wall of the connecting cylinder is fixedly connected with the sliding cylinder;

In a preferred embodiment, pressure relief holes are provided through the side walls of the sliding and connecting cylinders.

In a preferred embodiment, the lower end of the connecting hole is a stepped hole, the connecting piece is a stepped rod, and the stepped rod is connected inside the stepped hole in a matching way.

In a preferred embodiment, the lower end of the connecting piece is integrally formed with a connecting table, and the diameter of the connecting table is larger than the maximum diameter of the stepped hole.

In a preferred embodiment, the connecting cylinder is integrally formed with the lower end of the connecting table.

In a preferred embodiment, the connecting table is provided with a connecting groove at the middle part of the connecting cylinder, and the upper end part of the sliding cylinder extends into the connecting groove;

In a preferred embodiment, the upper end of the sliding cylinder is integrally formed with a sealing plate, and the thickness of the sealing plate is the same as the depth of the connecting groove.

In a preferred embodiment, the connecting cylinder is provided with the pressure release hole near one end of the connecting table.

In a preferred embodiment, a fixing groove is formed in the center of the lower end portion of the connecting table, and the upper end portion of the connecting cylinder is fixedly connected inside the fixing groove.

In a preferred embodiment, the upper end of the sliding cylinder extends into the fixing groove;

In a preferred embodiment, the upper end of the sliding cylinder is integrally provided with a sealing plate, and the thickness of the sealing plate is the same as the depth of the fixing groove;

in a preferred embodiment, the connection piece is flush with the pressure release hole at the lower end face.

The check valve assembly for the slurry pump comprises a valve body, wherein the upper end of the valve body is fixedly connected with the check valve cover for the slurry pump.

The one-way valve of the slurry pump is the one-way valve assembly for the slurry pump.

The one-way valve cover for the slurry pump, the one-way valve assembly and the slurry pump thereof have the following beneficial effects:

The one-way valve cover for the slurry pump comprises a cover body, a connecting piece, a connecting cylinder and a sliding cylinder, wherein a connecting hole is formed in the center of the cover body, the connecting piece is fixedly connected in the connecting hole, the other end of the connecting piece is integrally formed or fixedly connected with the connecting cylinder, the inner wall of the connecting cylinder is fixedly connected with the sliding cylinder, and a pressure release hole is formed through the side walls of the sliding cylinder and the connecting cylinder. The check valve assembly for the slurry pump is characterized in that the upper end of the valve body is fixedly connected with the check valve cover for the slurry pump. The one-way valve of the slurry pump is the one-way valve assembly for the slurry pump.

The problem that the valve cover of the check valve in the prior art is unreasonable in structural design, the cost is increased and the material is seriously wasted due to the whole replacement of the valve cover, or the whole slurry pump is stopped due to the fact that the cylinder structure is easily damaged, and the construction efficiency is seriously affected is solved.

This a check valve gap for slush pump guarantees the joint strength of connecting piece, further connects connecting cylinder and slide cylinder through the connecting piece, satisfies connecting piece, connecting cylinder and slide cylinder and be a single subassembly, when the emergence damages, can be through timely dismantlement connecting piece, connecting cylinder and slide cylinder, the new connecting piece of change, connecting cylinder and slide cylinder are connected the lid body, can realize the check valve and resume work. The cost of the connecting piece, the connecting cylinder and the sliding cylinder is greatly reduced, the waste is reduced, and the production enterprises can also greatly reduce the stock of the lost piece accessories.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a check valve cover for a mud pump according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of the one-way valve cover for the mud pump shown in FIG. 1 according to one embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of the check valve cover for the mud pump shown in FIG. 1 according to another embodiment of the present disclosure;

Fig. 4 is a cross-sectional view of the cover body of the one-way valve cover for the mud pump shown in fig. 1 according to an embodiment of the present disclosure.

[ Main reference numerals Specification ]

1. 11, Connecting holes;

2. a connecting piece, a connecting table and a connecting piece;

3. A connecting cylinder;

4. 41, a sealing plate;

5. And the pressure release hole.

Detailed Description

The check valve cover, the check valve assembly and the mud pump according to the present utility model will be described in further detail with reference to the accompanying drawings and embodiments of the present utility model.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 4, the check valve cover for the slurry pump comprises a cover body 1 which is used for sealing a check valve body, a connecting piece 2 which is used for limiting a check valve piston, a connecting cylinder 3 and a sliding cylinder 4. The connecting hole 11 has been seted up at lid body 1 center, and connecting piece 2 fixed connection is in connecting hole 11, and connecting piece 2 other end integrated into one piece or this connecting cylinder 3 of fixed connection, connecting cylinder 3 inner wall fixed connection sliding cylinder 4. The connecting piece 2 and the connecting cylinder 3 realize the connecting function of the sliding cylinder 4, thereby meeting the limit function of the sliding cylinder 4 on the piston. Thereby effecting reciprocation of the piston. Through connecting piece 2 passing lid body 1, guarantee connecting piece 2's joint strength, further connect connecting cylinder 3 and slide cylinder 4 through the connecting piece, satisfy connecting piece 2, connecting cylinder 3 and slide cylinder 4 and be a single subassembly, when the emergence damages, can be through timely dismantlement connecting piece 2, connecting cylinder 3 and slide cylinder 4, the lid body 1 is connected to new connecting piece 2, connecting cylinder 3 and slide cylinder 4 of the change, can realize the check valve and resume work. The cost of the connecting piece 2, the connecting cylinder 3 and the sliding cylinder 4 is greatly reduced, the waste is reduced, and the production enterprises can also greatly reduce the stock of the lost piece accessories.

In order to ensure the release of pressure during the movement of the piston, the compression of the medium inside the slide cylinder 4 during the movement of the piston is avoided, affecting the movement of the piston. Pressure release holes 5 are formed through the side walls of the sliding cylinder 4 and the connecting cylinder 3. When the piston extends into the sliding cylinder 4, the medium can flow out along the pressure release hole 5 to avoid the influence of the medium on the movement of the piston, and when the piston extends out of the sliding cylinder 4, the medium can flow in along the pressure release hole 5 to avoid the influence of the medium on the movement of the piston.

In order to improve the connection strength to the connection member 2, the sealing effect between the connection member 2 and the connection hole 11 is increased. The lower end of the connecting hole 11 is a stepped hole, the connecting piece 2 is a stepped rod, and the stepped rod is connected inside the stepped hole in a matching way. The structure of shoulder hole and ladder pole, the whole connecting piece 2 that makes is restricted inside lid body 1, and only part connecting piece 2 stretches out lid body 1, stretches out the fixed knot such as nut of lid body 1 and can guarantee that connecting piece 2 is convenient, quick, stable connect fixedly.

In order to improve the limit and sealing surfaces of the connector 2 and the cover body 1 and to improve the connection area of the connector 2 and the connecting cylinder. The lower end of the connecting piece 2 is integrally formed with a connecting table 21, and the diameter of the connecting table 21 is larger than the maximum diameter of the stepped hole. The area that connecting table 21 is greater than the shoulder hole, laminating is sealed between connecting table 21 and the lid body 1 bottom surface, has further improved the seal strength between connecting piece 2 and the lid body 1.

In one embodiment, as shown in fig. 2, in order to ensure the strength between the connecting cylinder 3 and the connecting member 2, it is preferable that the lower end portion of the connecting table 21 is integrally formed with the connecting cylinder 3, and the integrally formed structure prevents occurrence of cracks and stress concentration occurring in connection, and improves the strength of the connecting cylinder 3.

In order to improve the connection strength to the sliding cylinder 4, and to extend into more dimensions, the sliding cylinder 4 is prevented from being driven to slide out during sliding. The connecting table 21 is provided with a connecting groove at the middle part of the connecting cylinder 3, and the upper end part of the sliding cylinder 4 extends into the connecting groove, so that the connecting area is increased, and the connecting stability is improved. The preferable sliding cylinder 4 and the connecting cylinder 3 are in interference fit, so that the connecting strength is ensured, and the connection is also convenient.

In order to enable the medium entering from the pressure release hole 5 to act on the sliding cylinder 4 during operation, particularly in the process that the piston stretches into the sliding cylinder 4, the sliding cylinder 4 can be pushed to stretch upwards, and the connection stability of the sliding cylinder 4 is further improved. The upper end of the sliding cylinder 4 is integrally formed with a sealing plate 41, and pressure acts on the sealing plate 41 to force the sliding cylinder 4 to extend upward. Further, in order to facilitate the outflow of the medium in the pressure release hole 5, the formation of a vortex at the bottom of the sealing plate 41 is avoided, and the thickness of the sealing plate 41 is the same as the depth of the connecting groove.

In order to increase the movable size of the piston, a pressure release hole 5 is formed at one end of the connecting cylinder 3, which is close to the connecting table 21, so that the pressure release hole 5 can meet the requirement when the piston extends into the stroke to the maximum.

In another embodiment, as shown in fig. 3, a fixing groove is formed in the center of the lower end portion of the connection table 21, and the upper end portion of the connection cylinder 3 is fixedly connected inside the fixing groove. Extend into the inside of the fixed slot, improve the fixed connection area and improve the connection strength.

Likewise, the upper end of the sliding cylinder 4 extends into the fixed groove;

In order to enable the medium entering from the pressure release hole 5 to act on the sliding cylinder 4 during operation, particularly in the process that the piston stretches into the sliding cylinder 4, the sliding cylinder 4 can be pushed to stretch upwards, and the connection stability of the sliding cylinder 4 is further improved. The upper end of the sliding cylinder 4 is integrally formed with a sealing plate 41, and pressure acts on the sealing plate 41 to force the sliding cylinder 4 to extend upward. Further, in order to facilitate the outflow of the medium in the pressure release hole 5, the formation of a vortex at the bottom of the sealing plate 41 is avoided, and the thickness of the sealing plate 41 is the same as the depth of the fixing groove.

In order to ensure a smooth outflow of the medium, the operation of the pressure release holes 5 is ensured. At the lower end surface of the connection table 21, the pressure relief hole 5 is flush with the upper side.

The one-way valve assembly for the slurry pump comprises a valve body, wherein the upper end of the valve body is fixedly connected with the one-way valve cover for the slurry pump.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.

Claims

1. The one-way valve cover for the slurry pump comprises a cover body (1) and is characterized by further comprising a connecting piece (2), a connecting cylinder (3) and a sliding cylinder (4), wherein a connecting hole (11) is formed in the center of the cover body (1), the connecting piece (2) is fixedly connected in the connecting hole (11), the other end of the connecting piece (2) is integrally formed or fixedly connected with the connecting cylinder (3), and the inner wall of the connecting cylinder (3) is fixedly connected with the sliding cylinder (4);

Pressure release holes (5) are formed through the side walls of the sliding cylinder (4) and the connecting cylinder (3).

2. The one-way valve cover for a slurry pump according to claim 1, wherein the lower end of the connecting hole (11) is a stepped hole, the connecting piece (2) is a stepped rod, and the stepped rod is connected inside the stepped hole in a matching way.

3. A one-way valve cover for a mud pump as set forth in claim 2, wherein the lower end of the connecting member (2) is integrally formed with a connecting land (21), and the diameter of the connecting land (21) is larger than the maximum diameter of the stepped hole.

4. A one-way valve cover for a mud pump as set forth in claim 3, wherein the lower end of the connection table (21) is integrally formed with the connection cylinder (3).

5. The one-way valve cover for the slurry pump according to claim 4, wherein the connecting table (21) is provided with a connecting groove at the middle position of the connecting cylinder (3), and the upper end part of the sliding cylinder (4) extends into the connecting groove;

the upper end of the sliding cylinder (4) is integrally provided with a sealing plate (41), and the thickness of the sealing plate (41) is the same as the depth of the connecting groove.

6. The one-way valve cover for a slurry pump according to claim 5, wherein the pressure release hole (5) is opened at an end portion of the connecting cylinder (3) close to the connecting table (21).

7. A one-way valve cover for a slurry pump according to claim 3, wherein a fixing groove is formed in the center of the lower end portion of the connecting table (21), and the upper end portion of the connecting cylinder (3) is fixedly connected inside the fixing groove.

8. The one-way valve cover for a slurry pump according to claim 7, wherein the upper end of the sliding cylinder (4) extends into the fixed groove;

The upper end of the sliding cylinder (4) is integrally provided with a sealing plate (41), and the thickness of the sealing plate (41) is the same as the depth of the fixed groove;

the lower end surface of the connecting table (21) is flush with the upper side of the pressure release hole (5).

9. A one-way valve assembly for a slurry pump, comprising a valve body, wherein the upper end of the valve body is fixedly connected with the one-way valve cover for the slurry pump according to any one of claims 1 to 8.

10. A mud pump, wherein the check valve of the mud pump is the check valve assembly for a mud pump as set forth in claim 9.