CN108999778A - A kind of Novel high-pressure pump combination valve - Google Patents
A kind of Novel high-pressure pump combination valve Download PDFInfo
- Publication number
- CN108999778A CN108999778A CN201811257575.6A CN201811257575A CN108999778A CN 108999778 A CN108999778 A CN 108999778A CN 201811257575 A CN201811257575 A CN 201811257575A CN 108999778 A CN108999778 A CN 108999778A
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- valve
- spool
- cavity
- cone
- valve body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000035882 stress Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 2
- 238000012279 drainage procedure Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Abstract
The invention discloses a kind of Novel high-pressure pump combination valves, it is made of valve body, spool, cone valve lead, cone valve, the first spring, valve plate, valve deck and second spring, wherein, valve body and spool are separate structure, water-inflow and drain valve valve body in entire water inlet and drainage procedure itself is not subject to alternate stress, only spool bears alternate stress, therefore, when there is aging in valve, it only needs to disassemble the spool in valve body and replace, be readily disassembled maintenance, have structure simple, the advantages such as compact is compact, and maintenance cost is low.
Description
Technical field
The present invention discloses the technical field for being related to valve more particularly to a kind of Novel high-pressure pump combination valve.
Background technique
Combination valve is building block important in the pump housing, connect and is used cooperatively with plunger.Existing combination valve is main
There are traditional in-line arrangement and V-arrangement arranged type, but either in line column or V-arrangement arranged type have that structure is complicated, volume
The problems such as larger.
Above-mentioned in-line arrangement and V-arrangement arranged type combination valve is during liquid inlet and outlet, valve body and spool
It will receive alternate stress, cause service life short, every time when maintenance, need to replace valve body and spool, there is dimension
Repair the problems such as degree-of-difficulty factor is big, maintenance cost is high.
In addition, existing combination valve is being intake and drained in alternation procedure, unidirectional cone valve corresponding can be closed and hold
It opens, when each unidirectional cone valve is closed, the contact position between valve body immobilizes, and if things go on like this, unidirectional cone valve can go out
The phenomenon that current situation portion serious wear, and eventually lead to unidirectional cone valve and be not available, frequent maintenance is needed to replace, cause maintenance at
The problems such as this is high.
Therefore, the novel combination valve of one kind how is researched and developed to solve the above problems, and becomes people's urgent problem to be solved.
Summary of the invention
In consideration of it, the present invention, which discloses, provides a kind of Novel high-pressure pump combination valve, it is existing into drain at least to solve
The problems such as volume existing for valve is big, structure is complicated, maintenance cost is high.
Technical solution provided by the invention, specifically, a kind of Novel high-pressure pump combination valve, comprising: valve body 1, spool
2, cone valve lead 3, cone valve 4, the first spring 5, valve plate 6, valve deck 7 and second spring 8；
It is provided with partition 11 in the valve body 1, the inner chamber body above and below penetrating through in the valve body 1 is divided into setting up and down
First cavity 12 and the second cavity 13 are provided on the partition 11 and are connected to first cavity 12 with second cavity 13
First through hole 111 be provided on the side wall of the valve body 1 and second cavity 13 positioned at the lower section of the partition 11
The inlet opening 14 of connection；
2 lower end of spool is open, is internally provided with third cavity 21, the top nested of the spool 2 is in the valve body 1
The second cavity 13 in, be fixedly connected, be provided on the upper end end face of the spool 2 and in the valve body 1 with the valve body 1
The second concentric through-hole 22 of one through-hole 111, is provided with multiple intake tunnels 23, the intake tunnel 23 on the spool 2
It is corresponded with the inlet opening 14 in the valve body 1, and the equal one end of each intake tunnel 23 connects with corresponding inlet opening 14
Logical, the other end is connected to the third cavity 21；
The cone valve lead 3 includes end cap 31 and the guide post 32 that upper end is fixedly connected with the end cap 31, the end cap
31 fixed fastenings are installed on the upper end port of the valve body 1, and the first apopore of perforation or more is provided on the end cap 31
311；
The lower removable of the cone valve 4 is inserted in the first through hole 111 of the partition 11 and the second of the spool 2 is led to
In hole 22, the upper end of the cone valve 4 is provided with sleeve 41, and the cone valve 4 is loaded on the cone valve by 41 sliding sleeve of sleeve
On the guide post 32 of lead 3, the cone valve 4, can be along the relatively described cone valve lead 3 of the guide post 32 under the action of fluid pressure
It is slided, first cavity 12 is connected to or is separated with the third cavity 21；
First spring 5 is set in the outside of the guide post 32 and the sleeve 41, and first spring 5 is upper
It holds and offsets with the lower surface of end cap 31 in the cone valve lead 3, the lower end of first spring 5 offsets with the cone valve 4；
The valve plate 6 is movably installed in the third cavity 21 of the spool 2；
The valve deck 7 blocks the lower end open-mouth for being installed on the spool 2；
The second spring 8 is located in the third cavity 21 of the spool 2, and the upper end of the second spring 8 with it is described
The lower surface of valve plate 6 offsets, and the lower end of the second spring 8 and the upper surface of the valve deck 7 offset.
It is preferred that the cone valve 4 includes: sleeve 41, inverted conical platform 42 and sliding block 43；
The upper diameter of the inverted conical platform 42 be greater than the partition 11 on first through hole 111 diameter, and it is described fall
The upper surface for setting the frustum of a cone 42 is fixed as one with the lower end of the sleeve 41 to be connect；
The sliding block 43 is bias " Swastika " word structure, and under the upper end of the sliding block 43 and the inverted conical platform 42
Surface is fixed as one connection.
Further preferably, the upper end end face of the spool 2 and the junction of side wall are slope surface, the intake tunnel 23 and institute
The end for stating the connection of inlet opening 14 is located in the slope surface.
Further preferably, the lower surface center of partition 11 is provided with the boss 112 extended downwardly in the valve body 1；
The upper end end face of the spool 2 is circumferentially arranged seal groove, and sealing ring 24 is equipped in the seal groove, described
It is provided with one week seal groove on the side wall that spool 2 is nested in second cavity 13, sealing ring is installed in the seal groove
24。
Further preferably, the Novel high-pressure pump combination valve, further includes: cone valve end cap 10；
Step 15 is provided at the upper end port of the valve body 1, the end cap 31 in the cone valve lead 3 is fastened on the valve
The upper end port of body 1, and the surrounding of the end cap 31 is connected on the step 15；
The cone valve end cap 10 is located at the top of the end cap 31, and surrounding connects by the way that bolt 101 and the valve body 1 are fixed
It connects, the end cap 31 is pressed on the step 15, and be provided on the cone valve end cap 10 and first apopore 311
One-to-one second apopore 102 concentric, with bore.
Further preferably, first apopore 311 is evenly arranged along the circumferentially-spaced of end cap 31.
Further preferably, the number of first apopore 311 is 8.
Further preferably, the inlet opening 14 is uniformly arranged along the circumferentially-spaced of valve body 1.
Further preferably, the number of the inlet opening 14 is 12.
Further preferably, the top of the valve deck 7 is provided with the boss upwardly extended, and the boss is nested in the spool
At 2 lower end port, the surrounding of the valve deck 7 is fixedly connected by bolt 71 with the spool 2.
Further preferably, the valve body 1, spool 2 and cone valve 4 are made of stainless steel material.
Novel high-pressure pump combination valve provided by the invention, by valve body, spool, cone valve lead, cone valve, the first spring,
Valve plate, valve deck and second spring are constituted, wherein and valve body and spool are separate structure, and when use connect with plunger to be matched,
When plunger backhaul, suction is generated, valve plate is in the open state under suction, and second spring is in impaction state, cone valve
Tightly block in the first through hole of partition, make the first cavity airtight, water flow enters from inlet opening, by spool it is multiple into
Aquaporin flows into third cavity, realizes the water inlet of combination valve；When plunger process, plunger to valve plate generate thrust, second
Spring is in rebound state, and valve plate is bonded under the double action of plunger and second spring with the upper end end plate of spool, will be into
Aquaporin closing, cone valve move up along guide post under the thrust of water flow in third cavity and carry out rotation simultaneously, this
When, inlet opening is formed between cone valve and first through hole, the first cavity is in open state, and water flow flows into the first cavity from third cavity
In, water is discharged by apopore, realizes the draining of water-inflow and drain valve；When plunger backhaul again, when being moved up due to cone valve
It has carried out rotation, therefore when cone valve whereabouts is blocked in through-holes again, has puted forth effort position and putting forth effort before with baffle contacts
Position can be varied, and then the phenomenon that avoid cone valve from not being available due to Local Damaged, from above-mentioned into draining
As it can be seen that water-inflow and drain valve valve body in entire water inlet and drainage procedure itself is not subject to alternate stress, only spool is born journey
Alternate stress, therefore, when aging occurs in valve, it is only necessary to disassemble the spool in valve body and replace, be readily disassembled
Maintenance.
Valve body and spool design are fission, have structure simple by Novel high-pressure pump combination valve provided by the invention,
The advantages such as compact is compact, and maintenance cost is low, while by " Swastika " word structure design eccentric in cone valve, cone valve can be extended
Service life further decreases maintenance cost.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the present invention discloses a kind of Novel high-pressure pump combination valve that embodiment provides；
Fig. 2 is sectional view of the Fig. 1 along AA；
Fig. 3 is the structural representation that the present invention discloses cone valve in a kind of Novel high-pressure pump combination valve that embodiment provides
Figure；
Fig. 4 is the bottom view that the present invention discloses cone valve in a kind of Novel high-pressure pump combination valve that embodiment provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device being described in detail in claims, some aspects of the invention are consistent.
It is a kind of Novel high-pressure pump combination valve that the present embodiment provides referring to Fig. 1, Fig. 2, the combination valve is main
It is made of valve body 1, spool 2, cone valve lead 3, cone valve 4, the first spring 5, valve plate 6, valve deck 7 and second spring 8, wherein
It is provided with partition 11 in valve body 1, the inner chamber body above and below penetrating through in valve body 1 is divided into the first cavity 12 and second setting up and down
Cavity 13 is provided with the first through hole 111 for being connected to the first cavity 12 with the second cavity 13, in the side of valve body 1 on partition 11
Wall is circumferentially spaced to be provided with 12 inlet openings 14 being connected to the second cavity 13, and each inlet opening 14 is respectively positioned on partition 11
Lower section, spool 2 are designed as lower end opening, have third cavity 21 in the interior design of spool 2, the top nested of the spool 2 is in valve
In second cavity 13 of body 1, one week outer, the upper surface of the outer and the lower end end of valve body 1 are provided on the side wall of spool 2
Face offsets, and is bolted to connection, and is provided on the upper end end face of spool 2 concentric with first through hole 111 in valve body 1
The second through-hole 22, be provided on spool 2 with the one-to-one multiple intake tunnels 23 in inlet opening 14 in valve body 1, and it is every
The equal one end of a intake tunnel 23 is connected to corresponding inlet opening 14, and the other end is connected to third cavity 21, and cone valve lead 3 includes end
The guide post 32 that lid 31 and upper end are fixedly connected with end cap 31, wherein end cap 31 is fixed to fasten the upper end end for being installed on valve body 1
Mouthful, and circumferentially spaced 8 the first apopores 311 for being evenly equipped with perforation or more on end cap 31, the lower removable of cone valve 4 plug
In the first through hole 111 of partition 11 and the second through-hole 22 of spool 2, the upper end of cone valve 4 is provided with sleeve 41, and cone valve 4 is logical
41 sliding sleeve of sleeve is crossed loaded on the guide post 32 of cone valve lead 3, cone valve 4, can be along 32 phase of guide post under the action of fluid pressure
Cone valve lead 3 is slided, the first cavity 12 is connected to or is separated with third cavity 21, the first spring 5, which is set in, leads
The outside of column 32 and sleeve 41, and the upper end of the first spring 5 and the lower surface of end cap 31 in cone valve lead 3 offset, the first bullet
The lower end of spring 5 offsets with cone valve 4, and valve plate 6 is movably installed in the third cavity 21 of spool 2, and the closure of valve deck 7 is installed on spool 2
Lower end open-mouth, second spring 8 is located in the third cavity 21 of spool 2, and the following table of the upper end of second spring 8 and valve plate 6
Face offsets, and the lower end of second spring 8 and the upper surface of valve deck 7 offset.
The specific work process of above-mentioned combination valve are as follows: connect and match with plunger when use, when plunger backhaul, produce
Raw suction, valve plate is in the open state under suction, and second spring is in impaction state, and cone valve is tightly blocked in partition
In first through hole, make the first cavity airtight, water flow enters from inlet opening, flows into third chamber by multiple intake tunnels on spool
In vivo, the water inlet of combination valve is realized；When plunger process, plunger generates thrust to valve plate, and second spring is in rebound state,
Valve plate is bonded under the double action of plunger and second spring with the upper end end plate of spool, intake tunnel is closed, cone valve exists
It is moved up under the thrust of water flow along guide post in third cavity, forms inlet opening, the first cavity between first through hole
In open state, water flow flows into the first cavity from third cavity, and water is discharged by apopore, realizes the row of water-inflow and drain valve
Water.
The combination valve that the embodiment above provides, during constantly alternate into, drain, cone valve can be in opposed separators
First through hole correspondence be bonded, separated, if the position being bonded every time with first through hole is constant, will lead to cone valve
Concentrated wear it is very fast, service life greatly shortens, to solve the above problems, the improvement as technical solution, referring to Fig. 3, figure
4, cone valve 4 is designed as being made of sleeve 41, inverted conical platform 42 and sliding block 43, wherein the top of inverted conical platform 42 is straight
Diameter is greater than the diameter of first through hole 111 on partition 11, and the upper surface of inverted conical platform 42 and the lower end of sleeve 41 are fixed as one
Connection, sliding block 43 are bias " Swastika " word structure, and the lower surface of the upper end of sliding block 43 and inverted conical platform 42 is fixed as one company
It connects, in order to cooperate the structure of the cone valve to design, the first through hole on partition can be designed as to corresponding reverse frustoconic, and be inverted circle
The upper surface diameter of frustum 42 is greater than the upper surface diameter of first through hole.
Cone valve is designed as above structure, under thrust of each cone valve in third cavity water flow, is led along cone valve
While guide post in journey moves up, due to the design of its eccentric " Swastika " word structure, it can occur under the thrust of water flow
Rotation forms rotation, and the laminating points of first through hole are all inconsistent when each cone valve is closed and in partition, and then makes the inversion of cone valve
Frustum-conical surface even wearing, and then improve service life.
Water flow is flowed into the impact force of spool, as the improvement of technical solution, referring to figure Fig. 1, figure to reduce from inlet opening
2, the junction of the upper end end face of spool 2 and side wall is designed as slope surface, and the end that intake tunnel 23 is connected to inlet opening 14
In the slope surface.
In order to improve the firmness and airtightness that connect between valve body and spool, as the improvement of technical solution, referring to
Fig. 2, the lower surface center of partition 11 is provided with the boss 112 extended downwardly in valve body 1, in the upper end end face of spool 2 along week
To seal groove is provided with, sealing ring 24 is installed in seal groove, is also provided on the side wall that spool 2 is nested in the second cavity 13
There is one week seal groove, and sealing ring 24 is installed in seal groove.
In order to improve the firmness connected between cone valve lead and valve body, referring to Fig. 1, it is also devised in the inlet and discharge valve
Cone valve end cap 10, while step 15 is provided at the upper end port of valve body 1, the end cap 31 in cone valve lead 3 is fastened on valve body 1
Upper end port, and the surrounding of end cap 31 is connected on step 15, and cone valve end cap 10 is located at the top of end cap 31, and surrounding passes through spiral shell
Bolt 101 is fixedly connected with valve body 1, and end cap 31 is pressed on step 15, and is provided on cone valve end cap 10 and the first apopore
311 one-to-one second apopores 102 concentric, with bore.
In order to further increase the firmness that valve deck is connect with spool, as the improvement of technical solution, referring to Fig. 1,
The top of valve deck 7 is provided with the boss upwardly extended, which is nested at the lower end port of spool 2, and the surrounding of valve deck 7 is logical
Bolt 71 is crossed to be fixedly connected with spool 2.
In order to extend the service life of the combination valve, valve body 1, spool 2 and cone valve 4 are made of stainless steel material.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are wanted by right
It asks and points out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (9)
1. a kind of Novel high-pressure pump combination valve characterized by comprising valve body (1), spool (2), cone valve lead (3), cone
Valve (4), the first spring (5), valve plate (6), valve deck (7) and second spring (8)；
Partition (11) are provided in the valve body (1), the inner chamber body in the valve body (1) above and below perforation are divided into setting up and down
The first cavity (12) and the second cavity (13), be provided with first cavity (12) and described second on the partition (11)
The first through hole (111) of cavity (13) connection, is located at the lower section of the partition (11), is arranged on the side wall of the valve body (1)
There is the inlet opening (14) being connected to second cavity (13)；
Spool (2) lower end is open, is internally provided with third cavity (21), the top nested of the spool (2) is in the valve
It in the second cavity (13) of body (1), is fixedly connected, is provided on the upper end end face of the spool (2) and institute with the valve body (1)
Concentric the second through-hole (22) of first through hole (111) in valve body (1) is stated, it is logical that multiple water inlets are provided on the spool (2)
Road (23), the intake tunnel (23) corresponds with the inlet opening (14) in the valve body (1), and each intake tunnel
(23) one end is connected to corresponding inlet opening (14), and the other end is connected to the third cavity (21)；
The cone valve lead (3) includes the guide post (32) that end cap (31) and upper end are fixedly connected with the end cap (31), described
End cap (31) is fixed to fasten the upper end port for being installed on the valve body (1), and perforation or more is provided on the end cap (31)
First apopore (311)；
The lower removable of the cone valve (4) be inserted in the partition (11) first through hole (111) and the spool (2)
In two through-holes (22), the upper end of the cone valve (4) is provided with sleeve (41), and the cone valve (4) is slided by the sleeve (41)
It is set on the guide post (32) of the cone valve lead (3), the cone valve (4) can lead under the action of fluid pressure along described
The relatively described cone valve lead (3) of column (32) is slided, and first cavity (12) and the third cavity (21) are connected
Logical or partition；
First spring (5) is set in the outside of the guide post (32) and the sleeve (41), and first spring (5)
Upper end and the lower surface of end cap (31) in the cone valve lead (3) offset, the lower end of first spring (5) and the cone valve
(4) it offsets；
The valve plate (6) is movably installed in the third cavity (21) of the spool (2)；
The valve deck (7) blocks the lower end open-mouth for being installed on the spool (2)；
The second spring (8) is located in the third cavity (21) of the spool (2), and the upper end of the second spring (8) with
The lower surface of the valve plate (6) offsets, and the lower end of the second spring (8) and the upper surface of the valve deck (7) offset.
2. Novel high-pressure pump combination valve according to claim 1, which is characterized in that the cone valve (4) includes: sleeve
(41), inverted conical platform (42) and sliding block (43)；
The upper diameter of the inverted conical platform (42) is greater than the diameter of first through hole (111) on the partition (11), and described
The upper surface of inverted conical platform (42) is fixed as one with the lower end of the sleeve (41) and connect；
The sliding block (43) is bias " Swastika " word structure, and the upper end of the sliding block (43) and the inverted conical platform (42)
Lower surface is fixed as one connection.
3. Novel high-pressure pump combination valve according to claim 1, which is characterized in that the upper end end face of the spool (2)
Junction with side wall is slope surface, and the end that the intake tunnel (23) is connected to the inlet opening (14) is located at the slope surface
On.
4. Novel high-pressure pump combination valve according to claim 1, which is characterized in that partition (11) in the valve body (1)
Lower surface center be provided with the boss (112) extended downwardly；
The upper end end face of the spool (2) is circumferentially arranged seal groove, is equipped in the seal groove sealing ring (24), described
It is provided with one week seal groove on the side wall that spool (2) is nested in second cavity (13), is equipped in the seal groove close
Seal (24).
5. Novel high-pressure pump combination valve according to claim 1, which is characterized in that further include: cone valve end cap (10)；
It is provided with step (15) at the upper end port of the valve body (1), the end cap (31) in the cone valve lead (3) is fastened on institute
The upper end port of valve body (1) is stated, and the surrounding of the end cap (31) is connected on the step (15)；
The cone valve end cap (10) is located at the top of the end cap (31), and surrounding is fixed by bolt (101) and the valve body (1)
Connection, the end cap (31) is pressed on the step (15), and is provided with and described first on the cone valve end cap (10)
One-to-one second apopore (102) concentric, with bore of apopore (311).
6. Novel high-pressure pump combination valve according to claim 5, which is characterized in that the first apopore (311) edge
Circumferentially-spaced being evenly arranged of the end cap (31).
7. Novel high-pressure pump combination valve according to claim 1, which is characterized in that the inlet opening (14) is along the valve
Circumferentially-spaced being uniformly arranged of body (1).
8. Novel high-pressure pump combination valve according to claim 1, which is characterized in that the top of the valve deck (7) is arranged
There is the boss upwardly extended, the boss is nested at the lower end port of the spool (2), and the surrounding of the valve deck (7) passes through
Bolt (71) is fixedly connected with the spool (2).
9. Novel high-pressure pump combination valve according to claim 1, which is characterized in that the valve body (1), spool (2) with
And cone valve (4) is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257575.6A CN108999778B (en) | 2018-10-26 | 2018-10-26 | Novel liquid inlet and outlet valve for high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257575.6A CN108999778B (en) | 2018-10-26 | 2018-10-26 | Novel liquid inlet and outlet valve for high-pressure pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999778A true CN108999778A (en) | 2018-12-14 |
| CN108999778B CN108999778B (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257575.6A Active CN108999778B (en) | 2018-10-26 | 2018-10-26 | Novel liquid inlet and outlet valve for high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999778B (en) |
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