CN205446005U - Plunger pump valves - Google Patents
Plunger pump valves Download PDFInfo
- Publication number
- CN205446005U CN205446005U CN201620168723.7U CN201620168723U CN205446005U CN 205446005 U CN205446005 U CN 205446005U CN 201620168723 U CN201620168723 U CN 201620168723U CN 205446005 U CN205446005 U CN 205446005U
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- Prior art keywords
- valve
- feed liquor
- plane
- screw rod
- discharge opeing
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a plunger pump valves, including the disk seat, its characterized in that: be provided with the feed liquor chamber on the outer wall of disk seat, and the both ends face of disk seat is the plane, wherein a transverse plane of disk seat is the feed liquor plane, and the other end plane of disk seat is the flowing back plane, open on aforementioned feed liquor plane has the ring channel, ring channel and aforementioned feed liquor chamber intercommunication, the feed liquor plane of the disk seat outside is equipped with the feed liquor valve plate, is equipped with the feed liquor hole on the feed liquor valve plate, and the outer edge of feed liquor valve plate and feed liquor plane are outer for sealed between along, the exhaust chamber that has with ring channel interval setting is opened on aforementioned feed liquor plane, it has liquid outlet cavity to open on the aforementioned flowing back plane, is provided with intercommunication exhaust chamber and liquid outlet cavity's flowing back passageway in the disk seat, the flowing back plane of the disk seat outside is equipped with the flowing back valve plate, is equipped with the outage on the flowing back valve plate, and the outer edge of flowing back valve plate and flowing back plane are outer for sealed between along. The utility model provides a plunger pump valves is small, the pump efficiency is high, can effectively reduce the valve clearance velocity of flow.
Description
Technical field
This utility model relates to a kind of plunger pump valve group.
Background technology
Reciprocating plunger pump main composition part is that to form assemblies be reciprocating plunger pump for power, fluid power, three main bodys of power source.Power main part is bent axle, fuselage, connecting rod, crosshead, coupling bar.Fluid power main part is the pump housing, letter body, plunger, filler, fairlead, inlet and discharge valve group, feed liquor water collector, discharge opeing assembly.Power source is the compositions such as motor (diesel engine), reductor (drive pulley, transmission band), guard shield, base.Reciprocating plunger pump is positive displacement pump, has that pressure is high, flow is little, efficiency is high.High in same power situation downforce, flow is little, otherwise flow is big, pressure is little, actuating unit basic simlarity, hydrodynamic body changes greatly, and different medium different pressures, different efficiency just have different valve block structures, different fluid ends to arrange.The valve gap flow that different flows is different, the optimization design for reciprocating plunger pump mainly should belong to valve group, fluid end.The valve group of conventional design is single guiding, double guiding, flap type, cone valve, pawl valve, ball valve, cylinder valve, knife-edge valve etc. difformity valve, but all there is identical fluid to flow to, commonly referred to unidirectional runner valve, the valve gap flow of this valve group is the highest, owing to valve gap flow is the leading indicator of valve work, so the profile of valve, size are owing to valve gap flow is by limiting to the most in the design, also just for cause the cause that the whole big feed consumption of fluid end overall dimensions is many.First should set about from valve group so optimizing fluid end, the choice of flow direction of valve group is the main path of attenuating valve gap flow, and the valve group developing a kind of low valve gap flow for this is to improve pump efficiency, optimizes fluid end design and reaches one of energy-efficient necessary approach.
Utility model content
Technical problem to be solved in the utility model is that a kind of volume is little, pump efficiency is high, can effectively reduce the plunger pump valve group of valve gap flow for the offer of above-mentioned prior art.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of plunger pump valve group, including valve seat, it is characterized in that: on the outer wall of described valve seat, be provided with admission chamber, and the both ends of the surface of valve seat are plane, wherein a transverse plane of valve seat is feed liquor plane, and the other end plane of valve seat is discharge opeing plane；Aforementioned feed liquor plane has cannelure, and cannelure connects with aforementioned admission chamber；The feed liquor planar outboard of valve seat is provided with feed liquor valve plate, and feed liquor valve plate is provided with inlet opening, is sealing surface between outer and the feed liquor plane outer of feed liquor valve plate；Aforementioned feed liquor plane has exhaust chamber spaced with cannelure；Have out sap cavity in aforementioned discharge opeing plane, be provided with connection exhaust chamber in valve seat and go out the apocenosis passage of sap cavity；The discharge opeing planar outboard of valve seat is provided with discharge opeing valve plate, and discharge opeing valve plate is provided with outage, is sealing surface between outer and the discharge opeing plane outer of discharge opeing valve plate.
As improvement, described valve seat is outer, feed liquor plane side is provided with inlet valve screw rod, is provided with suction gathering sill in valve seat, and the inner of inlet valve screw rod is arranged in suction gathering sill, the outer end of inlet valve screw rod is provided with feed liquor spring base, is provided with suction spring between feed liquor spring base and feed liquor valve plate；Described valve seat is outer, discharge opeing plane side is provided with dump valve screw rod, discharge gathering sill it is provided with in valve seat, the inner of dump valve screw rod is arranged in discharge gathering sill, and the outer end of dump valve screw rod is provided with discharge opeing spring base, is provided with discharge spring between discharge opeing spring base and discharge opeing valve plate.
Improve again, described feed liquor spring base and discharge opeing spring base are all drilled with liquid outflow port.
Improving, the cylindrical of described inlet valve screw rod and dump valve screw rod is all drilled with inlet opening, described inlet valve screw rod and the inside of dump valve screw rod and is the most all drilled with the fluid auxiliary flow circulation passage connected with inlet opening again.
Improving, the two ends that described inlet valve screw rod and dump valve screw rod cylindrical all bore are equipped with screw thread again, and the screw thread of inlet valve screw rod the inner is screwed on valve seat, and the screw thread of inlet valve screw rod outer end is the first jam nut of fixing feed liquor spring base；The screw thread of dump valve screw rod the inner is screwed on valve seat, and the screw thread of dump valve screw rod outer end is the second jam nut of fixing discharge opeing spring base.
Improving, described admission chamber is arranged on the cylindrical of valve seat again, comprises multiple mounting hole, and each mounting hole connects formation feed pathway with the baseplane of the cannelure of feed liquor plane.
Improving, described cannelure is arranged on the outer of feed liquor plane again, and exhaust chamber arranges the interior edge of feed liquor plane, exhaust chamber be multiple be positioned at same ring surface through hole, for the inlet opening of discharge opeing runner.
Improve again, described go out sap cavity be arranged on discharge opeing plane outer, go out sap cavity also for multiple through holes being positioned at same ring surface, and quantity is more than or equal to the number of openings with exhaust chamber, go out and connect one to one between the through hole of sap cavity and the through hole of exhaust chamber, and every pair of exhaust chamber and go out to be formed between sap cavity one more than 20 ° of oblique angles.
Compared with prior art, the utility model has the advantage of: valve seat over all Integration admission chamber and exhaust chamber, apocenosis passage and apocenosis passage, become the assembly of liquid feed valve and tapping valve；Using many flow direction structures in valve seat, can effectively reduce valve gap flow 50%, change conventional valve assembly valve clearance and flow to, overcome owing to the theoretical value of valve clearance is limited, product design entirety is less, pump housing substance relatively gently, low cost, be effectively increased pump efficiency；Employing flows to valve clearance design more and can be effectively improved pump efficiency and save material.
Accompanying drawing explanation
Fig. 1 is the structural representation of plunger pump valve group in this utility model embodiment；
Structural representation when Fig. 2 is that in this utility model embodiment, the feed liquor valve plate of plunger pump valve group is opened, discharge opeing valve plate is closed；
Structural representation when Fig. 3 is the feed liquor valve plate closedown of plunger pump valve group in this utility model embodiment, discharge opeing valve plate is opened.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Plunger pump valve group as shown in Figure 1, includes valve seat 1, feed liquor valve plate 2, feed liquor spring base 3, sucks spring the 4, first jam nut 5, inlet valve screw rod 6, discharge opeing valve plate 7, discharge opeing spring base 8, discharge spring the 9, second jam nut 10, dump valve screw rod 11.
Wherein, the both ends of the surface of described valve seat are plane, and wherein a transverse plane of valve seat is feed liquor plane, and the other end plane of valve seat is discharge opeing plane；Feed liquor valve plate 2 is positioned at valve seat 1 outer feed liquor plane side, and discharge opeing valve plate 7 is positioned at valve seat 1 exterior liquid plane side.
It is provided with admission chamber 1a, admission chamber 1a on the outer wall of valve seat 1 and can be arranged to 6 or 8 or 10 or the mounting hole of more even numbers；Being sealing surface between outer and the feed liquor plane outer of aforementioned feed liquor valve plate 2, the valve face of liquid feed valve is i.e. arranged on the outer of the feed liquor plane of valve seat；The feed liquor plane outer of valve seat has cannelure 1b, and each admission chamber all connects with the bottom surface of cannelure thus forms feed pathway.
Exhaust chamber 1c spaced with cannelure is had in aforementioned feed liquor plane, exhaust chamber 1c is arranged on edge in feed liquor plane, exhaust chamber is multiple through holes being positioned at same ring surface, according to flow rates demand, can bore 6 or 8 or 10 or 12 or other more even numbers etc. hole, ring position, for the inlet opening of discharge opeing runner.
Being sealing surface between outer and the outer of discharge opeing plane of discharge opeing valve plate 7, the valve face of tapping valve is i.e. arranged on the outer of the discharge opeing plane of valve seat；And in discharge opeing plane, have out sap cavity 1d, it is provided with connection exhaust chamber 1c in valve seat 1 and goes out the apocenosis passage of sap cavity 1d；Go out sap cavity 1d also for multiple through holes being positioned at same ring surface, and quantity is more than or equal to the quantity with exhaust chamber 1c, go out and connect one to one between the through hole of sap cavity 1d and the through hole of exhaust chamber 1c, and every pair of exhaust chamber forms one more than 20 ° of oblique angles with going out sap cavity in valve seat.
Described valve seat 1 is outer, feed liquor plane side arranges described inlet valve screw rod 6, suction gathering sill it is provided with in valve seat 1, the inner of inlet valve screw rod 6 is arranged in suction gathering sill, the outer end of inlet valve screw rod 6 is provided with described feed liquor spring base 3, arranges described suction spring 4 between feed liquor spring base 3 and feed liquor valve plate 2；Described valve seat 1 is outer, discharge opeing plane side is provided with dump valve screw rod 11, discharge gathering sill it is provided with in valve seat, the inner of dump valve screw rod 11 is arranged in discharge gathering sill, and the outer end of dump valve screw rod arranges described discharge opeing spring base 8, arranges described discharge spring 9 between discharge opeing spring base 8 and discharge opeing valve plate 7.
Described suction spring 4, discharge spring 9 are arranged in feed liquor valve plate 2, discharge opeing valve plate 7 outer same position size, it is ensured that spring outer diameter is big, and steel footpath is thick, the how tireless feature of the number of turns.
Described feed liquor spring base and discharge opeing spring base top end face are all drilled with liquid outflow port, it is ensured that the liquid flowed out along passage in feed liquor valve plate and discharge opeing valve plate reciprocates through smoothly.
The cylindrical of described inlet valve screw rod and dump valve screw rod is all drilled with inlet opening, described inlet valve screw rod and the inside of dump valve screw rod and is the most all drilled with the fluid auxiliary flow circulation passage connected with inlet opening.
The two ends that described inlet valve screw rod and dump valve screw rod cylindrical all bore are equipped with screw thread, the screw thread of inlet valve screw rod the inner is screwed on valve seat the lead for feed liquor valve plate, the screw thread of inlet valve screw rod outer end is the first jam nut of fixing feed liquor spring base, and limit point and control as feed liquor valve plate lift suck spring axial force；The screw thread of dump valve screw rod the inner is screwed on valve seat the lead for discharge opeing valve plate, the screw thread of dump valve screw rod outer end is the second jam nut of fixing discharge opeing spring base, limit point and control as discharge opeing valve plate lift discharge spring axial force, thus are assembled into combination valve.
Operation to plunger pump valve group below is described: the first step, when plungers pump plunger runs backward, feed liquor valve plate is opened, see Fig. 2, liquid sucks from the ring position mounting hole of the outer wall of valve seat, and the fluid auxiliary flow circulation passage in the middle of feed liquor valve plate outer and the inlet opening on interior edge, inlet valve screw rod flows out；Second step, when plunger runs forward, liquid pressurized, the closedown of feed liquor valve plate, discharge opeing valve plate breakdown in feed pathway, shown in Figure 3, liquid enters from exhaust chamber, flowed out by the sap cavity that goes out more than 20 ° of oblique angle intercommunicating pores one to one, and then the fluid auxiliary flow circulation passage in the middle of the outer of discharge opeing valve plate and the outage on interior edge and dump valve screw rod flows out, and forms multidirectional runner and flows out in exhaust manifold.
Claims (8)
1. a plunger pump valve group, including valve seat, it is characterised in that: being provided with admission chamber on the outer wall of described valve seat, and the both ends of the surface of valve seat are plane, wherein a transverse plane of valve seat is feed liquor plane, and the other end plane of valve seat is discharge opeing plane；Aforementioned feed liquor plane has cannelure, and cannelure connects with aforementioned admission chamber；The feed liquor planar outboard of valve seat is provided with feed liquor valve plate, and feed liquor valve plate is provided with inlet opening, is sealing surface between outer and the feed liquor plane outer of feed liquor valve plate；Aforementioned feed liquor plane has exhaust chamber spaced with cannelure；Have out sap cavity in aforementioned discharge opeing plane, be provided with connection exhaust chamber in valve seat and go out the apocenosis passage of sap cavity；The discharge opeing planar outboard of valve seat is provided with discharge opeing valve plate, and discharge opeing valve plate is provided with outage, is sealing surface between outer and the discharge opeing plane outer of discharge opeing valve plate.
Plunger pump valve group the most according to claim 1, it is characterized in that: described valve seat is outer, feed liquor plane side is provided with inlet valve screw rod, suction gathering sill it is provided with in valve seat, the inner of inlet valve screw rod is arranged in suction gathering sill, the outer end of inlet valve screw rod is provided with feed liquor spring base, is provided with suction spring between feed liquor spring base and feed liquor valve plate；Described valve seat is outer, discharge opeing plane side is provided with dump valve screw rod, discharge gathering sill it is provided with in valve seat, the inner of dump valve screw rod is arranged in discharge gathering sill, and the outer end of dump valve screw rod is provided with discharge opeing spring base, is provided with discharge spring between discharge opeing spring base and discharge opeing valve plate.
Plunger pump valve group the most according to claim 2, it is characterised in that: all it is drilled with liquid outflow port on described feed liquor spring base and discharge opeing spring base.
Plunger pump valve group the most according to claim 2, it is characterized in that: the cylindrical of described inlet valve screw rod and dump valve screw rod is all drilled with inlet opening, described inlet valve screw rod and the inside of dump valve screw rod and is the most all drilled with the fluid auxiliary flow circulation passage connected with inlet opening.
Plunger pump valve group the most according to claim 2, it is characterized in that: the two ends that described inlet valve screw rod and dump valve screw rod cylindrical all bore are equipped with screw thread, the screw thread of inlet valve screw rod the inner is screwed on valve seat, and the screw thread of inlet valve screw rod outer end is the first jam nut of fixing feed liquor spring base；The screw thread of dump valve screw rod the inner is screwed on valve seat, and the screw thread of dump valve screw rod outer end is the second jam nut of fixing discharge opeing spring base.
Plunger pump valve group the most according to claim 1, it is characterised in that: described admission chamber is arranged on the cylindrical of valve seat, comprises multiple mounting holes, and each mounting hole connects formation feed pathway with the baseplane of the cannelure of feed liquor plane.
Plunger pump valve group the most according to claim 1, it is characterised in that: described cannelure is arranged on the outer of feed liquor plane, and exhaust chamber arranges the interior edge of feed liquor plane, exhaust chamber be multiple be positioned at same ring surface through hole, for the inlet opening of discharge opeing runner.
Plunger pump valve group the most according to claim 7, it is characterized in that: described in go out sap cavity and be arranged on discharge opeing plane outer, go out sap cavity also for multiple through holes being positioned at same ring surface, and quantity is more than or equal to the number of openings with exhaust chamber, go out and connect one to one between the through hole of sap cavity and the through hole of exhaust chamber, and every pair of exhaust chamber and go out to be formed between sap cavity one more than 20 ° of oblique angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168723.7U CN205446005U (en) | 2016-03-04 | 2016-03-04 | Plunger pump valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168723.7U CN205446005U (en) | 2016-03-04 | 2016-03-04 | Plunger pump valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446005U true CN205446005U (en) | 2016-08-10 |
Family
ID=56605163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620168723.7U Expired - Fee Related CN205446005U (en) | 2016-03-04 | 2016-03-04 | Plunger pump valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626509A (en) * | 2016-03-04 | 2016-06-01 | 宁波合力机泵有限公司 | Plunger pump valve bank |
-
2016
- 2016-03-04 CN CN201620168723.7U patent/CN205446005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626509A (en) * | 2016-03-04 | 2016-06-01 | 宁波合力机泵有限公司 | Plunger pump valve bank |
| CN105626509B (en) * | 2016-03-04 | 2018-06-29 | 宁波合力机泵股份有限公司 | A kind of plunger pump valve group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315105, integrity investment Road, Yinzhou District investment center, Ningbo, Zhejiang, Yinzhou 888 Patentee after: Ningbo Heli pump Limited by Share Ltd Address before: 315105 Yinzhou investment and entrepreneurship center, Ningbo, road, No. 888 Patentee before: Heli Mechanical Pump Co., Ltd., Ningbo City |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 315105 Yinzhou District investment and entrepreneurship center, Ningbo, road, No. 888 Patentee after: Ningbo Heli pump Limited by Share Ltd Address before: 315105, integrity investment Road, Yinzhou District investment center, Ningbo, Zhejiang, Yinzhou 888 Patentee before: Ningbo Heli pump Limited by Share Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20200304 |