CN201896738U - Combination valve of high-pressure water-injection pump - Google Patents
Combination valve of high-pressure water-injection pump Download PDFInfo
- Publication number
- CN201896738U CN201896738U CN2010206517517U CN201020651751U CN201896738U CN 201896738 U CN201896738 U CN 201896738U CN 2010206517517 U CN2010206517517 U CN 2010206517517U CN 201020651751 U CN201020651751 U CN 201020651751U CN 201896738 U CN201896738 U CN 201896738U
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- valve seat
- spring
- valve
- gland
- mitre velve
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Abstract
The utility model discloses a combination valve of a high-pressure water-injection pump, which comprises a valve body of which the middle part is provided with a water inlet, wherein both ends of the valve body are respectively provided with a liquid inlet cavity and a liquid outlet cavity, a right valve seat, a right conical valve in sliding fit with the right valve seat, and a right spring connected to the outer end surface of the right conical valve in a propping mode are arranged in the liquid inlet cavity, a free end of the right spring is propped to a right gland on the valve body, and the right gland is provided with a through hole; and a left valve seat, a left conical valve in sliding fit with the left valve seat, and a left spring connected with an outer end surface of the left conical valve are arranged in the liquid outlet cavity, a free end of the left spring is propped to the left gland on the valve body, and the left gland is provided with a through hole. The valve seat, the conical valve, the spring and the gland are assembled in the valve body to constitute one component, so the structure of the combination valve is improved, the assembly and disassembly difficulties are reduced, the sealing performance is improved, the production efficiency and the hydraulic efficiency are effectively improved, the characteristics of a stressed part of a working chamber are changed, the compressive strength of a pump head is relieved, and the service life of the combination pump is greatly prolonged.
Description
Technical field
The utility model belongs to the high pressure water-injection pump technical field, particularly a kind of combination brake switch and proporting that is applicable to the high oil field water injection pump.
Background technique
In field produces, the high pressure water-injection pump process of operation continuously all is to control by valve seat, spring and valve block, to realize water inlet and water outlet.At present, use in the oil field is three cylinder water injection pumps more widely, and pump valve seat is easy to damage when working continuously, and working life is shorter, change loaded down with trivial details time-consuming, inefficiency; Because pump valve seat is a stainless steel material, cost is higher, has increased cost of production; In addition, the pump valve structure is assembled by a few part assemblies, the assembling, the dismounting difficulty big, poor sealing, usability is poor, hydraulic efficiency is low.
Summary of the invention
The purpose of the utility model technology is to overcome above-mentioned technical disadvantages, and a kind of high pressure water-injection pump combination brake switch and proporting is provided.
The utility model structure is: a kind of high pressure water-injection pump combination brake switch and proporting, comprise that the middle part is provided with the valve body of water intake, the valve body two ends are respectively equipped with admission chamber and exhaust chamber, the right spring of apical grafting on right mitre velve that is equipped with right valve seat in the described admission chamber, is slidingly matched with right valve seat and the right mitre velve exterior edge face, the free end of right spring contacts on the right gland on the valve body, and right gland is provided with through hole; The left spring of apical grafting on left mitre velve that is equipped with left valve seat in the exhaust chamber, is slidingly matched with left valve seat and the left mitre velve exterior edge face, the free end of left spring contacts on the left gland on the valve body, and left gland is provided with through hole.
Be respectively equipped with the conical surface that matches with the conical surface of right mitre velve and left mitre velve on described right valve seat and the left valve seat.
Be provided with valve rubber along the outward extending circumference of the conical surface of right mitre velve and left mitre velve.
Described right mitre velve and left mitre velve the inner are respectively equipped with at least three guide grabs, and guide grab outer circumferential face and right valve seat and left valve base inner wall face are slidingly matched.
Be respectively equipped with the ring-spring draw-in groove on described right valve seat and the left valve seat exterior edge face, the spring card slot middle part is the spring directional post, and right gland and left gland inner side surface are respectively equipped with heavy stand; Spring one end is sleeved on the spring directional post, the other end is contained in the heavy stand.
Fitting surface between described right valve seat and left valve seat and the valve body is provided with O type circle.
New type pressurized water injection pump combination brake switch and proporting is made up of valve body, valve seat, mitre velve, discharge opeing spring, gland.Have a conical surface to link to each other with valve seat in valve inleting water end inside, have the water inlet in the middle of the valve seat, mitre velve has 4 guide grabs to be connected with the valve seat inner hole wall, and with gland the discharge opeing spring is pressed on the mitre velve.Have the outage of 10 symmetrical distributions at valve seat, be formed by connecting with valve seat, mitre velve, discharge opeing spring, gland and the drain side is the same with feed-water end.
Compared with prior art, the beneficial effects of the utility model are:
1. valve seat, mitre velve, spring and gland are assemblied in valve inner and form parts, improved the structure of combination brake switch and proporting, reduced the difficulty of assembling and dismounting, improved sealing, manufacturing efficiency and hydraulic efficiency have effectively been improved, change active chamber force part characteristics, alleviated pump head pressure-bearing pressure, prolonged working life greatly.
2. valve seat, mitre velve adopt common iron processing quenching with Subsequent tempering to make, and are provided with valve rubber on mitre velve, improve wear-resisting property, greatly reduce cost of production.
3, mitre velve the inner is provided with four guide grabs, and guide grab outer circumferential face and valve base inner wall face are slidingly matched; Right valve seat exterior edge face is provided with the ring-spring draw-in groove, the spring card slot middle part is the spring directional post, the gland inner side surface is provided with heavy stand, spring one end is sleeved on the spring directional post, the other end is contained in the heavy stand, improved the installation stability of mitre velve and spring greatly, not fragile, effectively improve usability, increase the service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A view among Fig. 1.
Embodiment
High pressure water-injection pump combination brake switch and proporting as illustrated in fig. 1 and 2 comprises that the middle part is provided with the valve body 1 of water intake 11, and valve body 1 two ends are respectively equipped with admission chamber 12 and exhaust chamber 13.The right spring 4 of apical grafting on right mitre velve 3 that in the admission chamber 12 of valve body 1, is equipped with right valve seat 2, is slidingly matched with right valve seat 2 and right mitre velve 3 exterior edge faces, the free end of right spring 4 contacts right gland 5 inboards on valve body 1, and right gland 5 is provided with through hole 51.The left spring 8 of apical grafting on left mitre velve 7 that in the exhaust chamber 13 of valve body 1, is equipped with left valve seat 6, is slidingly matched with left valve seat 6 and left mitre velve 7 exterior edge faces, the free end of left spring 8 contacts on the left gland 9 on the valve body 1, and left gland 9 is provided with through hole 91.Fitting surface between right valve seat 2 and left valve seat 6 and the valve body 1 is provided with O type circle 10, is used to improve sealability, improves the usability of high pressure water-injection pump.
On right valve seat 2 and left valve seat 6, be respectively equipped with the conical surface 14 and the conical surface 15 that match with the conical surface of right mitre velve 3 and left mitre velve 7; Right mitre velve 3 and left mitre velve 7 the inners are respectively equipped with four guide grabs 16 and four guide grabs 17, and guide grab outer circumferential face and right valve seat 2 and left valve seat 6 internal faces are slidingly matched.The outward extending circumference of the conical surface along right mitre velve 3 and left mitre velve 7 is provided with valve rubber 18 and valve rubber 19, improves wear-resisting property, increases the service life.
In addition, in order to improve the stability of right spring 4, on the exterior edge face of right valve seat 2, be provided with ring-spring draw-in groove 21, spring card slot 21 middle parts are spring directional post 22, right gland 5 inner side surfaces on the valve body 1 are provided with heavy stand 52, and right spring 4 one ends are sleeved on the spring directional post 22, the other end is contained in the heavy stand 52.In like manner, be provided with ring-spring draw-in groove 61 on the exterior edge face of left valve seat 6, spring card slot 61 middle parts are spring directional post 62, and left gland 9 inner side surfaces on the valve body 1 are provided with heavy stand 92, and left spring 8 one ends are sleeved on the spring directional post 62, the other end is contained in the heavy stand 92.
During use, combination brake switch and proporting of the present utility model is installed in the active chamber of high pressure water-injection pump, when power end drives plunger motion, pump head active chamber internal pressure reduces, the right valve seat 2 that liquid in the imbibition passage enters in the admission chamber 12 is middle, fluid pressure backs down right mitre velve 3, and liquid flows in the active chamber by the through hole on the right gland 5 51; Plunger motion is behind certain position, and the work intracavity liquid of making is squeezed, and pressure raises, right mitre velve 3 in the admission chamber 12 cuts out under right spring 4 effects, liquid flows in the middle of the left valve seat 6 of exhaust chamber 13, and fluid pressure backs down left mitre velve 7, and liquid flows to apocenosis passage by through hole 91.
In the utility model, valve seat, mitre velve adopt common iron processing quenching with Subsequent tempering to make, and greatly reduce cost of production.
Claims (6)
1. high pressure water-injection pump combination brake switch and proporting, comprise that the middle part is provided with the valve body of water intake, the valve body two ends are respectively equipped with admission chamber and exhaust chamber, it is characterized in that, the right spring of apical grafting on right mitre velve that is equipped with right valve seat in the described admission chamber, is slidingly matched with right valve seat and the right mitre velve exterior edge face, the free end of right spring contacts on the right gland on the valve body, and right gland is provided with through hole; The left spring of apical grafting on left mitre velve that is equipped with left valve seat in the exhaust chamber, is slidingly matched with left valve seat and the left mitre velve exterior edge face, the free end of left spring contacts on the left gland on the valve body, and left gland is provided with through hole.
2. high pressure water-injection pump combination brake switch and proporting as claimed in claim 1 is characterized in that, is respectively equipped with the conical surface that matches with the conical surface of right mitre velve and left mitre velve on described right valve seat and the left valve seat.
3. high pressure water-injection pump combination brake switch and proporting as claimed in claim 2 is characterized in that, is provided with valve rubber along the outward extending circumference of the conical surface of right mitre velve and left mitre velve.
4. as claim 1,2 or 3 described high pressure water-injection pump combination brake switch and proporting, it is characterized in that described right mitre velve and left mitre velve the inner are respectively equipped with at least three guide grabs, guide grab outer circumferential face and right valve seat and left valve base inner wall face are slidingly matched.
5. high pressure water-injection pump combination brake switch and proporting as claimed in claim 4 is characterized in that, is respectively equipped with the ring-spring draw-in groove on described right valve seat and the left valve seat exterior edge face, and the spring card slot middle part is the spring directional post, and right gland and left gland inner side surface are respectively equipped with heavy stand; Spring one end is sleeved on the spring directional post, the other end is contained in the heavy stand.
6. high pressure water-injection pump combination brake switch and proporting as claimed in claim 5 is characterized in that, the fitting surface between described right valve seat and left valve seat and the valve body is provided with O type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206517517U CN201896738U (en) | 2010-12-10 | 2010-12-10 | Combination valve of high-pressure water-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206517517U CN201896738U (en) | 2010-12-10 | 2010-12-10 | Combination valve of high-pressure water-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896738U true CN201896738U (en) | 2011-07-13 |
Family
ID=44254646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206517517U Expired - Fee Related CN201896738U (en) | 2010-12-10 | 2010-12-10 | Combination valve of high-pressure water-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896738U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767512A (en) * | 2012-08-14 | 2012-11-07 | 宁波合力机泵有限公司 | Dual-guide belt nonmetallic sealing conical valve and hydraulic cylinder body structure thereof |
| CN103291606A (en) * | 2013-06-10 | 2013-09-11 | 北京工业大学 | Integrated bevel-type pump valve |
| CN103437994A (en) * | 2013-08-23 | 2013-12-11 | 西安航天动力研究所 | High-volume-efficiency combined-type pump valve of reciprocating pump |
| CN104214084A (en) * | 2013-06-04 | 2014-12-17 | 天津爱博生技术开发有限公司 | Valve of plunger pump |
| CN108412721A (en) * | 2018-03-31 | 2018-08-17 | 山东中探机械有限公司 | A kind of wear-resisting voltage stabilizing mud pump with plunger |
-
2010
- 2010-12-10 CN CN2010206517517U patent/CN201896738U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767512A (en) * | 2012-08-14 | 2012-11-07 | 宁波合力机泵有限公司 | Dual-guide belt nonmetallic sealing conical valve and hydraulic cylinder body structure thereof |
| CN102767512B (en) * | 2012-08-14 | 2016-03-16 | 宁波合力机泵有限公司 | A kind of two nonmetal sealing mitre velve of guidance tape and liquid cylinder structure thereof |
| CN104214084A (en) * | 2013-06-04 | 2014-12-17 | 天津爱博生技术开发有限公司 | Valve of plunger pump |
| CN103291606A (en) * | 2013-06-10 | 2013-09-11 | 北京工业大学 | Integrated bevel-type pump valve |
| CN103291606B (en) * | 2013-06-10 | 2015-12-02 | 北京工业大学 | A kind of integrated bevel-type pump valve |
| CN103437994A (en) * | 2013-08-23 | 2013-12-11 | 西安航天动力研究所 | High-volume-efficiency combined-type pump valve of reciprocating pump |
| CN103437994B (en) * | 2013-08-23 | 2016-05-18 | 西安航天动力研究所 | A kind of high volumetric efficiency reciprocating pump combined type pump valve |
| CN108412721A (en) * | 2018-03-31 | 2018-08-17 | 山东中探机械有限公司 | A kind of wear-resisting voltage stabilizing mud pump with plunger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20131210 |