CN210716229U - Valve rod nut with good sealing performance for petroleum pump valve - Google Patents
Valve rod nut with good sealing performance for petroleum pump valve Download PDFInfo
- Publication number
- CN210716229U CN210716229U CN201921284399.5U CN201921284399U CN210716229U CN 210716229 U CN210716229 U CN 210716229U CN 201921284399 U CN201921284399 U CN 201921284399U CN 210716229 U CN210716229 U CN 210716229U
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- Prior art keywords
- pump valve
- hole
- nut
- wall
- main part
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 239000003208 petroleum Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a valve-stem nut that leakproofness is good for petroleum pump valve, including the nut and the spiral shell body, the second through-hole has been seted up to the inside of nut and spiral shell body, and the inner wall of second through-hole is fixed with the second sealing washer, the second draw-in groove has been seted up to the inner wall of second through-hole, and the nut passes through the second draw-in groove and is connected with second sealing washer joint, nut and spiral shell body are installed in the petroleum pump valve main part, have seted up first through-hole in the petroleum pump valve main part, the petroleum pump valve main part is connected with spiral shell body joint through first through-hole, and the inner wall of first through-hole is provided with first internal thread, and the petroleum pump valve main part rotates through the external screw thread that first internal thread and spiral shell body outer wall set up to be connected. The utility model discloses a set up first through-hole, first internal thread, external screw thread, first sealing washer and second sealing washer, solved the not good easy problem that causes the interior medium of pump valve to leak outward and difficult installation dismantlement of valve-stem nut leakproofness.
Description
Technical Field
The utility model relates to an oil pump valve technical field specifically is a valve-stem nut that leakproofness is good for oil pump valve.
Background
Pump valves are a generic term for pumps and valves. Valves not used for pumps or valves with a pumping action. The reason pumps and valves are often associated is the use case. That is, there are valves in places where pumps are provided, and there are places where pumps are needed. And the oil pump valve is mainly used for oil transportation. And a valve rod nut needs to be installed on the oil pump valve.
However, the prior art has the following defects:
1. the traditional valve stem nut has poor sealing performance, and medium in the pump valve is easy to leak out after long-time use;
2. traditional valve rod nut is difficult for the installation dismantlement, and consuming time is used effort, has increased people's burden.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a valve-stem nut that leakproofness is good for petroleum pump valve has solved the not good easy medium that causes in the valve-stem nut leakproofness leaks outward and the difficult problem of consuming time and wasting force of installation dismantlement.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve-stem nut that petroleum pump valve is with leakproofness is good, includes the nut and the spiral shell body, the second through-hole has been seted up to the inside of nut and spiral shell body, and the inner wall of second through-hole is fixed with the second sealing washer, nut and spiral shell body are installed in petroleum pump valve main part, and have seted up first through-hole in the petroleum pump valve main part, the inner wall of first through-hole is provided with first internal thread, and the inner wall of first through-hole is fixed with first sealing washer.
Preferably, the lower end of the screw cap is fixedly connected with the upper end of the screw body.
Preferably, a second clamping groove is formed in the inner wall of the second through hole in the nut, and the nut is connected with the second sealing ring in a clamping mode through the second clamping groove.
Preferably, the inner wall of the second through hole on the screw body is provided with a second internal thread.
Preferably, the oil pump valve main part is connected with the spiral shell body joint through first through-hole, and the oil pump valve main part is connected with the external screw thread rotation that spiral shell body outer wall set up through first internal thread.
Preferably, a first clamping groove is formed in the inner wall of the first through hole in the oil pump valve main body, and the oil pump valve main body is connected with the first sealing ring in a clamping mode through the first clamping groove.
(III) advantageous effects
The utility model provides a valve-stem nut that leakproofness is good for petroleum pump valve possesses following beneficial effect:
(1) the utility model discloses a set up first sealing washer and second sealing washer, the problem of the interior medium of valve-stem nut leakproofness is not good easily causing the pump valve to leak outward is solved, utilize the nut to pass through the second draw-in groove and be connected with second sealing washer joint, and the oil pump valve main part is connected with first sealing washer joint through first draw-in groove, first sealing washer and first second sealing washer are all made by rubber and are used for sealed product, first sealing washer and oil pump valve main part and spiral shell body butt, can prevent that the interior medium of pump valve from spilling from the gap of spiral shell body and oil pump valve main part, and second sealing washer and valve rod and nut butt, can prevent that the interior medium of pump valve from spilling from the gap of valve rod and nut, leakproofness is all good.
(2) The utility model discloses a set up first through-hole, first internal thread and external screw thread, the problem of valve rod nut is difficult for the installation dismantlement consuming time power is solved, utilize oil pump valve main part to be connected with spiral shell body joint through first through-hole, and the oil pump valve main part rotates with the external screw thread that spiral shell body outer wall set up through first internal thread to be connected, during the installation, aim at the first through-hole in the oil pump valve main part with the lower extreme of spiral shell body earlier, and the joint is connected, then rotatory nut downwards, make oil pump valve main part fixed through the external screw thread connection on first internal thread and the spiral shell body, during the dismantlement, rotatory nut upwards makes progress earlier, rotatory nut can drive spiral shell body rebound, after removing a locating position, vertical ascending effort is applyed to the nut again, until the spiral shell body break away from oil pump valve main part completely can, reach the effect of easy.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a front view schematically illustrating the present invention.
The reference numbers in the figures are: 1. a nut; 2. a first through hole; 3. a petroleum pump valve body; 4. a first internal thread; 5. an external thread; 6. a spiro body; 7. a first card slot; 8. a first seal ring; 9. a second card slot; 10. a second through hole; 11. a second seal ring; 12. a second internal thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a valve rod nut with good sealing performance for an oil pump valve comprises a screw cap 1 and a screw body 6, wherein the lower end of the screw cap 1 is fixedly connected with the upper end of the screw body 6, a second through hole 10 is formed inside the screw cap 1 and the screw body 6, a second sealing ring 11 is fixed on the inner wall of the second through hole 10, a second clamping groove 9 is formed in the inner wall of the second through hole 10 on the screw cap 1, the screw cap 1 is connected with the second sealing ring 11 in a clamping manner through the second clamping groove 9, a second internal thread 12 is formed in the inner wall of the second through hole 10 on the screw body 6, the screw cap 1 and the screw body 6 are arranged on an oil pump valve main body 3, a first through hole 2 is formed in the oil pump valve main body 3, a first internal thread 4 is formed in the inner wall of the first through hole 2, the oil pump valve main body 3 is connected with the screw body 6 in a clamping manner through the first internal thread 4, and the oil pump valve main body, when the oil pump valve is installed, the lower end of the screw body 6 is aligned to the first through hole 2 on the oil pump valve main body 3 and is connected in a clamping manner, then the screw cap 1 is rotated downwards, so that the oil pump valve main body 3 is connected and fixed with the external thread 5 on the screw body 6 through the first internal thread 4, when the oil pump valve is disassembled, the screw cap 1 is rotated upwards, the screw body 6 is driven to move upwards by the rotated screw cap 1, after the screw cap 1 moves to a certain position, a vertical upward acting force is applied to the screw cap 1 until the screw body 6 is completely separated from the oil pump valve main body 3, the inner wall of the first through hole 2 is fixed with the first sealing ring 8, the inner wall of the first through hole 2 on the oil pump valve main body 3 is provided with the first clamping groove 7, the oil pump valve main body 3 is connected with the first sealing ring 8 in a clamping manner through the first clamping groove 7, the first sealing ring 8 and the second sealing ring 11 are made of rubber products for sealing, the, the medium in the pump valve can be prevented from leaking from the gap between the screw body 6 and the oil pump valve main body 3, and the second seal ring 11 is abutted against the valve rod and the nut 1, so that the medium in the pump valve can be prevented from leaking from the gap between the valve rod and the nut 1.
The working principle is as follows: when in use, the first sealing ring 8 and the second sealing ring 11 are products for sealing which are made of rubber, the first sealing ring 8 is abutted against the oil pump valve main body 3 and the screw body 6, the medium in the pump valve can be prevented from leaking out from a gap between the screw body 6 and the oil pump valve main body 3, the second sealing ring 11 is abutted with the valve rod and the screw cap 1, so that the medium in the pump valve can be prevented from leaking from a gap between the valve rod and the screw cap 1, and when the pump valve is installed, the lower end of the screw body 6 is aligned with the first through hole 2 on the oil pump valve main body 3 and is clamped and connected, then the screw cap 1 is rotated downwards, so that the oil pump valve main body 3 is fixedly connected with the external thread 5 on the screw body 6 through the first internal thread 4, firstly, the nut 1 is rotated upwards, the rotated nut 1 drives the screw body 6 to move upwards, and after the screw body moves to a certain position, and applying a vertical upward force to the screw cap 1 until the screw body 6 is completely separated from the oil pump valve main body 3.
To sum up can, the utility model discloses a set up first through-hole 2, first internal thread 4, external screw thread 5, first sealing washer 8 and second sealing washer 11, solved the not good easy medium that causes in the valve-stem nut leakproofness leaks and the difficult problem of the consuming time power of installation dismantlement outward.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a valve-stem nut that petroleum pump valve is with leakproofness is good, includes nut (1) and spiral body (6), its characterized in that: second through-hole (10) have been seted up to the inside of nut (1) and spiral shell body (6), and the inner wall of second through-hole (10) is fixed with second sealing washer (11), nut (1) and spiral shell body (6) are installed on oil pump valve main part (3), and have seted up first through-hole (2) on oil pump valve main part (3), the inner wall of first through-hole (2) is provided with first internal thread (4), and the inner wall of first through-hole (2) is fixed with first sealing washer (8).
2. The good-sealing valve stem nut for the petroleum pump valve as defined in claim 1, wherein: the lower end of the screw cap (1) is fixedly connected with the upper end of the screw body (6).
3. The good-sealing valve stem nut for the petroleum pump valve as defined in claim 1, wherein: second draw-in groove (9) have been seted up to the inner wall of second through-hole (10) on nut (1), and nut (1) is connected through second draw-in groove (9) and second sealing washer (11) joint.
4. The good-sealing valve stem nut for the petroleum pump valve as defined in claim 1, wherein: and a second internal thread (12) is formed on the inner wall of the second through hole (10) on the screw body (6).
5. The good-sealing valve stem nut for the petroleum pump valve as defined in claim 1, wherein: oil pump valve main part (3) are connected through first through-hole (2) and spiral shell body (6) joint, and oil pump valve main part (3) rotate with external screw thread (5) that spiral shell body (6) outer wall set up through first internal thread (4) and are connected.
6. The good-sealing valve stem nut for the petroleum pump valve as defined in claim 1, wherein: first draw-in groove (7) have been seted up to the inner wall of first through-hole (2) on oil pump valve main part (3), and oil pump valve main part (3) are connected through first draw-in groove (7) and first sealing washer (8) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284399.5U CN210716229U (en) | 2019-08-08 | 2019-08-08 | Valve rod nut with good sealing performance for petroleum pump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284399.5U CN210716229U (en) | 2019-08-08 | 2019-08-08 | Valve rod nut with good sealing performance for petroleum pump valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716229U true CN210716229U (en) | 2020-06-09 |
Family
ID=70926185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921284399.5U Expired - Fee Related CN210716229U (en) | 2019-08-08 | 2019-08-08 | Valve rod nut with good sealing performance for petroleum pump valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716229U (en) |
-
2019
- 2019-08-08 CN CN201921284399.5U patent/CN210716229U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |