CN222391986U - Double-sided contact valve rubber - Google Patents
Double-sided contact valve rubber Download PDFInfo
- Publication number
- CN222391986U CN222391986U CN202421083934.1U CN202421083934U CN222391986U CN 222391986 U CN222391986 U CN 222391986U CN 202421083934 U CN202421083934 U CN 202421083934U CN 222391986 U CN222391986 U CN 222391986U
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- China
- Prior art keywords
- valve
- rubber body
- valve rubber
- utility
- inclined surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims 2
- 239000002002 slurry Substances 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of slurry pumps for oil drilling and production, in particular to a double-sided contact valve rubber, which comprises a valve seat, a valve core and a valve rubber body, wherein the valve core is arranged in the valve seat, the outer wall of the valve core is provided with a valve rubber body mounting groove at the joint of the valve seat and the valve core, the valve rubber body is sleeved in the valve rubber body mounting groove on the outer wall of the valve core, a first inclined surface and a second inclined surface are arranged on the outer wall of the valve rubber body and correspond to the valve seat, and a V-shaped surface is formed between the first inclined surface and the second inclined surface.
Description
Technical Field
The utility model relates to the technical field of oil drilling and production slurry pumps, in particular to a double-sided contact valve rubber.
Background
The valve rubber and the valve body are assembled and matched with the valve seat to form the valve assembly, the valve assembly is a slurry pump for petroleum drilling and production, the piston reciprocates in the cylinder sleeve, the valve assembly is enabled to suck in through a slurry inlet and discharge out of the cylinder sleeve, the valve assembly is also one of main wearing parts of the slurry pump, single-sided contact is adopted between the valve rubber and the valve seat in the traditional valve assembly, as shown in fig. 4 and 5, wherein a in fig. 5 is a single side of the valve rubber contacted with the valve seat, the single side is rubbed by pressure impact, particularly under complex media, the rubber is enabled to be in a fatigue state for a long time, the rubber is damaged, liquid slurry in slurry causes the valve body and the valve seat to be damaged, and the service life is shortened.
In summary, the present utility model solves the existing problems by designing a double-sided contact valve rubber.
Disclosure of utility model
The utility model aims to provide a double-sided contact valve rubber to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a two-sided contact valve rubber, includes disk seat, case and valve rubber body, the inside at the disk seat is installed to the case, the valve rubber body mounting groove has been seted up to the outer wall of case and the junction that is located disk seat and case, and wherein the valve rubber body cup joints the inside at the valve rubber body mounting groove of case outer wall, be provided with first inclined plane and second inclined plane on the outer wall of valve rubber body and correspond with the disk seat, wherein constitute the V profile between first inclined plane and the second inclined plane, wherein the contained angle of V profile is θ,150 is less than or equal to θ and is less than or equal to 175, and first inclined plane contacts with the side of disk seat, the side cooperation mode of second inclined plane and disk seat is clearance fit.
As a preferable scheme of the utility model, the valve core performs piston movement in the valve seat, and the valve rubber body is of a circular ring structure.
As a preferable scheme of the utility model, the valve rubber body is in interference fit with the valve rubber body mounting groove.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the rubber sheet of the double-sided contact valve replaces the traditional design surface contact, when the valve seat and the valve core move mutually, the valve seat is contacted with the first inclined surface firstly, then the second inclined surface is impacted under certain pressure, namely, one surface is contacted firstly, and the rubber sheet is impacted to the double-sided contact under certain pressure, so that the rubber sheet has a buffering effect, the rubber sheet is not in a fatigue state under long-term working, and the service life is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of a valve seat, valve core and valve rubber body connection structure according to the present utility model;
FIG. 2 is a schematic view of the enlarged structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of the valve rubber body structure of the present utility model;
FIG. 4 is a schematic diagram of a prior art valve seat, valve core and valve rubber body connection structure;
Fig. 5 is a schematic view of a conventional valve rubber body structure.
In the figure, 1, a valve seat, 2, a valve core, 3, a valve rubber body, 301, a first inclined surface, 302 and a second inclined surface.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, but in which the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, the present utility model provides a technical solution:
The utility model provides a two-sided contact valve rubber, including disk seat 1, case 2 and valve rubber body 3, the inside at disk seat 1 is installed to case 2, the outer wall of case 2 and the junction that is located disk seat 1 and case 2 have seted up valve rubber body mounting groove, wherein valve rubber body 3 cup joints the inside at the valve rubber body mounting groove of case 2 outer wall, be provided with first inclined plane 301 and second inclined plane 302 on the outer wall of valve rubber body 3 and correspond with disk seat 1, constitute the V profile between first inclined plane 301 and the second inclined plane 302, wherein the contained angle of V profile is θ,150 θ is less than or equal to 175 °, the side contact of first inclined plane 301 and disk seat 1, the side cooperation mode of second inclined plane 302 and disk seat 1 is clearance fit.
As a further preferable scheme of the utility model, the valve core 2 performs piston movement in the valve seat 1, and the valve rubber body 3 has a circular ring structure.
As a further preferable scheme of the utility model, the valve rubber body 3 is in interference fit with the valve rubber body mounting groove.
Based on the above conditions, the double-sided contact valve rubber is provided to replace the traditional design surface contact, when the valve seat 1 and the valve core 2 move mutually, the valve seat 1 is contacted with the first inclined surface 301 firstly, then the second inclined surface 302 is impacted by a certain pressure, namely, one surface is contacted firstly, and the double-sided contact is achieved under the impact of a certain pressure, so that the rubber is buffered, the rubber is not in a fatigue state under long-term working, and the service life is greatly prolonged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421083934.1U CN222391986U (en) | 2024-05-17 | 2024-05-17 | Double-sided contact valve rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421083934.1U CN222391986U (en) | 2024-05-17 | 2024-05-17 | Double-sided contact valve rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222391986U true CN222391986U (en) | 2025-01-24 |
Family
ID=94293445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421083934.1U Active CN222391986U (en) | 2024-05-17 | 2024-05-17 | Double-sided contact valve rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222391986U (en) |
-
2024
- 2024-05-17 CN CN202421083934.1U patent/CN222391986U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |