CN220929654U - Five jar slush pump valve gap convenient to installation - Google Patents
Five jar slush pump valve gap convenient to installation Download PDFInfo
- Publication number
- CN220929654U CN220929654U CN202322753217.7U CN202322753217U CN220929654U CN 220929654 U CN220929654 U CN 220929654U CN 202322753217 U CN202322753217 U CN 202322753217U CN 220929654 U CN220929654 U CN 220929654U
- Authority
- CN
- China
- Prior art keywords
- shaft section
- valve cover
- pump valve
- convenient
- installation
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Links
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 239000002002 slurry Substances 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a five-cylinder slurry pump valve cover convenient to install, which is of a stepped shaft structure as a whole and comprises a thick shaft section and a thin shaft section, wherein a plurality of through holes perpendicular to the axis of the thick shaft section are uniformly distributed at the upper part of the outer circumferential surface of the thick shaft section, a section of screw thread is distributed at the lower part of the outer circumferential surface of the thick shaft section, and a hollow cylindrical cavity is arranged in the thick shaft section; the end face of the thin shaft section is provided with a concave annular groove, a plurality of non-punching screw holes are uniformly distributed on the end face of the thin shaft section along the circumferential direction, the five-cylinder slurry pump valve cover is connected with the valve box simply and conveniently, the axis centering positioning is easier to conduct through connection with the valve guide body, the whole structure is simple, the disassembly and the installation are convenient, and the working reliability of equipment is high.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling equipment, in particular to a five-cylinder mud pump valve cover convenient to install.
Background
Currently, mud pumps are commonly used at field drilling sites. In the drilling process, the slurry pump mainly has two functions, namely, providing power for a bottom hole power drilling tool and conveying and circulating drilling fluid to the bottom hole to remove and carry bottom hole cuttings. The valve cover is one of key parts of the fluid end assembly of the slurry pump, and the sealing effect of fluid at the fluid end is directly affected by the quality of the valve cover. In the prior art, a valve cover is generally in a split structure, one part is a gland body, and the other part is a connecting body. The gland body is connected with the hydraulic end of the slurry pump by a pin shaft, so that the gland body is not convenient to detach frequently; the gland body is of a solid structure, and parts are heavy; the installation holes on the gland body are only 1, and when the valve cover rod is inserted into the installation holes to install and detach the valve cover, the movable space of the valve cover rod is small, and the installation operation is very inconvenient. When the connecting body is connected with the lower valve guide body, a cone thread connection is usually adopted, the connection is poor in neutrality, the installation process is complex, the connecting body is easy to damage, and a special tool is needed for disassembly. Therefore, a five-cylinder mud pump valve cover convenient to install needs to be developed, and the five-cylinder mud pump valve cover has the characteristics of simple structure, simplicity and convenience in connection and high working reliability.
Disclosure of utility model
The utility model aims to provide a five-cylinder slurry pump valve cover convenient to install, which is provided with a plurality of through holes along the normal direction in a hollow cylindrical cavity at the upper end part, and the outer wall of a valve cover body is provided with zigzag threads so as to solve the problems in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme:
A five-cylinder slurry pump valve cover convenient to install comprises a valve cover body with a stepped shaft-shaped structure, wherein zigzag threads are processed on the outer arc surface of a middle cylinder of the valve cover body, the upper end of the middle cylinder is connected with a thick shaft section, and the lower end of the middle cylinder is connected with a thin shaft section; the inside of the thick shaft section is provided with a hollow cylindrical cavity, and the hollow cylindrical cavity is penetrated with a plurality of through holes along the normal direction of the circular arc surface; the annular end face of the thin shaft section is provided with a plurality of screw holes which are connected with the valve guide body through bolts, the axial depth of the screw holes is smaller than that of the thin shaft section, and the axial inner side of the annular end face is provided with an inward concave annular groove with the diameter smaller than that of the annular end face.
Preferably, the diameter of the outer wall of the thick shaft section is larger than the diameter of the outer wall of the thin shaft section.
Preferably, the number of the through holes is at least 2.
Preferably, the number of the screw holes is at least 2.
The beneficial effects of the utility model are as follows:
(1) The valve cover installing and detaching mechanism is provided with a plurality of through holes, when the valve cover rod is used for detaching the valve cover, a proper angle can be selected to insert the valve cover rod into the corresponding through hole, the valve cover installing and detaching are more flexible, and the installation space is not limited.
(2) The valve cover body is in zigzag threaded connection with the valve box, and compared with the common triangular threaded connection, the zigzag threaded shape can provide better anti-skid effect, so that the threads are easier to screw up and disassemble; the zigzag thread shape has better stress dispersing capability and can bear load better; the zigzag thread contact area is larger, and better wear resistance can be provided.
(3) The valve cover is of a non-complete solid structure, a hollow cylindrical cavity is formed in the valve cover, and the valve cover is lighter in weight.
(4) Be provided with a indent ring channel on the valve gap, be convenient for carry out axis centering location with the valve guide body, be provided with a plurality of non-punching screw hole on the valve gap, be convenient for carry out threaded connection with the valve guide body, press from both sides tightly effectually.
Drawings
FIG. 1 is an isometric cross-sectional view of a valve cover of a five-cylinder mud pump of the present utility model for easy installation;
FIG. 2 is a plan assembly view of a valve cover of a five-cylinder mud pump of the present utility model for easy installation;
In the figure: 1-valve cover body, 11-thick shaft section, 111-through hole, 112-screw thread, 113-hollow cylinder cavity, 12-thin shaft section, 121-concave annular groove, 122-screw hole.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The five-cylinder slurry pump valve cover convenient to install as shown in fig. 1-2 comprises a valve cover body 1 with a stepped shaft-shaped structure, wherein a saw-tooth thread 112 is processed on the outer arc surface of a middle cylinder of the valve cover body 1, the upper end of the middle cylinder is connected with a thick shaft section 11, the lower end of the middle cylinder is connected with a thin shaft section 12, and the diameter of the outer wall of the thick shaft section 11 is larger than that of the outer wall of the thin shaft section 12; the inside of the thick shaft section 11 is provided with a hollow cylindrical cavity 113, the hollow cylindrical cavity 113, and 4 through holes 111 are penetrated through the hollow cylindrical cavity 113 along the normal direction of the circular arc surface; the annular end surface of the thin shaft section 12 is provided with 4 screw holes 122 which are connected with the valve guide body through bolts, the axial depth of the screw holes 122 is smaller than that of the thin shaft section 12, and the inner side of the annular end surface in the axial direction is provided with an inward concave annular groove 121 with the diameter smaller than that of the annular end surface.
Examples:
As shown in fig. 2, when the valve cover body 1 is installed, firstly, the valve cover body 1 and the valve guide body are axially centered and positioned through the concave annular groove 121, then the valve cover body 1 and the valve guide body are connected together through a non-penetrating threaded hole 122 and a plurality of screws, meanwhile, other auxiliary parts such as sealing elements are installed on the shaft diameter of the thin shaft section 12 of the valve cover body 1, then, the valve cover body 1 and the valve guide body are overlapped with the axis of the internal threaded hole of the valve box, finally, the valve cover rod is inserted into the through hole 111, and the valve cover body 1 and the valve box are connected through threads 112 by rotating the valve cover rod.
The valve cover is of a non-complete solid structure, a hollow cylindrical cavity is formed in the valve cover, the weight is lighter, the valve cover mounting and dismounting mechanism is a plurality of through holes, when the valve cover rod is used for dismounting the valve cover, the valve cover rod can be inserted into the corresponding through holes by selecting a proper angle, the valve cover mounting and dismounting are more flexible, and the mounting space is not limited. The valve cover body is in zigzag threaded connection with the valve box, and compared with the common triangular threaded connection, the zigzag threaded shape can provide better anti-skid effect, so that the threads are easier to screw up and disassemble; the zigzag thread shape has better stress dispersing capability and can bear load better; the contact area of the zigzag threads is larger, so that better wear resistance can be provided; the valve cover is provided with the concave annular groove which is convenient for carrying out axial centering positioning with the valve guide body, the valve cover is provided with the plurality of non-punching threaded holes which are convenient for carrying out threaded connection with the valve guide body, and the clamping effect is good
The foregoing is merely a preferred example of the present utility model, and it should be noted that other equivalent variations and modifications can be made as well known in the art of hydraulic systems, and should be considered as the scope of the present utility model, given the technical teaching provided by the present utility model.
Claims (4)
1. Five jar slush pump valve gap convenient to installation, its characterized in that: the valve cover comprises a valve cover body (1) with a stepped shaft-shaped structure, wherein zigzag threads (112) are processed on the outer arc surface of a middle cylinder of the valve cover body (1), the upper end of the middle cylinder is connected with a thick shaft section (11), and the lower end of the middle cylinder is connected with a thin shaft section (12); a hollow cylindrical cavity (113) is arranged in the thick shaft section (11), the hollow cylindrical cavity (113) is provided with a plurality of through holes (111) along the normal direction of the circular arc surface; the annular end face of the thin shaft section (12) is provided with a plurality of screw holes (122) which are connected with the valve guide body through bolts, the axial depth of the screw holes (122) is smaller than that of the thin shaft section (12), and the inner side of the annular end face in the axial direction is provided with an inward concave annular groove (121) with the diameter smaller than that of the annular end face.
2. The five-cylinder mud pump valve cover convenient to install according to claim 1, wherein: the diameter of the outer wall of the thick shaft section (11) is larger than that of the outer wall of the thin shaft section (12).
3. A five-cylinder mud pump valve cover for easy installation as claimed in claim 1 or 2, wherein: the number of the through holes (111) is at least 2.
4. A five-cylinder mud pump valve cover for easy installation as defined in claim 3, wherein: the number of the screw holes (122) is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753217.7U CN220929654U (en) | 2023-10-13 | 2023-10-13 | Five jar slush pump valve gap convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753217.7U CN220929654U (en) | 2023-10-13 | 2023-10-13 | Five jar slush pump valve gap convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929654U true CN220929654U (en) | 2024-05-10 |
Family
ID=90968270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322753217.7U Active CN220929654U (en) | 2023-10-13 | 2023-10-13 | Five jar slush pump valve gap convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929654U (en) |
-
2023
- 2023-10-13 CN CN202322753217.7U patent/CN220929654U/en active Active
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