CN108999778B - Novel liquid inlet and outlet valve for high-pressure pump - Google Patents
Novel liquid inlet and outlet valve for high-pressure pump Download PDFInfo
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- CN108999778B CN108999778B CN201811257575.6A CN201811257575A CN108999778B CN 108999778 B CN108999778 B CN 108999778B CN 201811257575 A CN201811257575 A CN 201811257575A CN 108999778 B CN108999778 B CN 108999778B
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- 239000007788 liquid Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000005192 partition Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a novel liquid inlet and outlet valve for a high-pressure pump, which consists of a valve body, a valve core, a cone valve lead, a cone valve, a first spring, a valve plate, a valve cover and a second spring, wherein the valve body and the valve core are of a split structure, the valve body does not bear alternating stress in the whole water inlet and outlet process, and only the valve core bears the alternating stress, so that when the valve is aged, only the valve core in the valve body is detached for replacement, and the valve is easy to detach and maintain.
Description
Technical Field
The invention discloses the technical field of valves, and particularly relates to a novel liquid inlet and outlet valve for a high-pressure pump.
Background
The liquid inlet and outlet valve is an important component in the pump body and is connected and matched with the plunger for use. The existing liquid inlet and outlet valve mainly has the traditional in-line arrangement and V-shaped arrangement, but has the problems of complex structure, large volume and the like in both the in-line arrangement and the V-shaped arrangement.
The in-line type and V-shaped arrangement liquid inlet and outlet valve has the advantages that in the liquid inlet and outlet process, both the valve body and the valve core can be subjected to alternating stress, so that the service life is short, the valve body and the valve core are required to be replaced when each maintenance is performed, and the problems of high maintenance difficulty coefficient, high maintenance cost and the like exist.
In addition, in the current liquid inlet and outlet valve and in the alternate in-process of intaking and drainage, the one-way cone valve can be closed and opened that correspond, and the contact position between it and the valve body is all fixed unchanged when the one-way cone valve is closed at every turn, and in the past, the one-way cone valve can appear the serious phenomenon of local wearing and tearing, and finally leads to the fact the one-way cone valve to be unable to use, needs frequent maintenance to change, causes cost of maintenance high grade problem.
Therefore, how to develop a new liquid inlet and outlet valve to solve the above problems is a urgent problem to be solved.
Disclosure of Invention
In view of the above, the invention discloses a novel liquid inlet and outlet valve for a high-pressure pump, which at least solves the problems of large volume, complex structure, high maintenance cost and the like of the existing liquid inlet and outlet valve.
The invention provides a technical scheme, in particular to a novel liquid inlet and outlet valve for a high-pressure pump, which comprises the following components: the valve comprises a valve body 1, a valve core 2, a cone valve lead 3, a cone valve 4, a first spring 5, a valve plate 6, a valve cover 7 and a second spring 8;
a partition plate 11 is arranged in the valve body 1, an inner cavity penetrating up and down in the valve body 1 is divided into a first cavity 12 and a second cavity 13 which are arranged up and down, a first through hole 111 which communicates the first cavity 12 with the second cavity 13 is arranged on the partition plate 11 and is positioned below the partition plate 11, and a water inlet hole 14 which communicates with the second cavity 13 is arranged on the side wall of the valve body 1;
the lower end of the valve core 2 is open, a third cavity 21 is arranged in the valve core 2, the upper part of the valve core 2 is nested in the second cavity 13 of the valve body 1 and is fixedly connected with the valve body 1, a second through hole 22 coaxial with the first through hole 111 in the valve body 1 is arranged on the end surface of the upper end of the valve core 2, a plurality of water inlet channels 23 are arranged on the valve core 2, the water inlet channels 23 are in one-to-one correspondence with the water inlet holes 14 in the valve body 1, one end of each water inlet channel 23 is communicated with the corresponding water inlet hole 14, and the other end of each water inlet channel 23 is communicated with the third cavity 21;
the cone valve lead 3 comprises an end cover 31 and a guide post 32, the upper end of the guide post is fixedly connected with the end cover 31, the end cover 31 is fixedly buckled and installed on the upper end port of the valve body 1, and the end cover 31 is provided with a first water outlet hole 311 which penetrates up and down;
the lower part of the cone valve 4 is movably inserted into the first through hole 111 of the partition plate 11 and the second through hole 22 of the valve core 2, the upper end of the cone valve 4 is provided with a sleeve 41, the cone valve 4 is slidably sleeved on the guide post 32 of the cone valve lead 3 through the sleeve 41, and the cone valve 4 can slide along the guide post 32 relative to the cone valve lead 3 under the action of liquid pressure to communicate or isolate the first cavity 12 with the third cavity 21;
the first spring 5 is sleeved outside the guide post 32 and the sleeve 41, the upper end of the first spring 5 abuts against the lower surface of the end cover 31 in the cone valve lead 3, and the lower end of the first spring 5 abuts against the cone valve 4;
the valve plate 6 is movably arranged in the third cavity 21 of the valve core 2;
the valve cover 7 is mounted at the lower end opening of the valve core 2 in a blocking manner;
the second spring 8 is located in the third cavity 21 of the valve core 2, the upper end of the second spring 8 abuts against the lower surface of the valve plate 6, and the lower end of the second spring 8 abuts against the upper surface of the valve cover 7.
Preferably, the cone valve 4 includes: a sleeve 41, an inverted truncated cone 42 and a slider 43;
the diameter of the upper part of the inverted cone frustum 42 is larger than that of the first through hole 111 on the partition plate 11, and the upper surface of the inverted cone frustum 42 is fixedly and integrally connected with the lower end of the sleeve 41;
the sliding block 43 has an eccentric 'character' structure, and the upper end of the sliding block 43 is fixedly and integrally connected with the lower surface of the inverted cone 42.
Further preferably, the junction between the upper end surface and the side wall of the valve core 2 is a slope, and the end of the water inlet channel 23, which is communicated with the water inlet hole 14, is located on the slope.
Further preferably, a boss 112 extending downwards is arranged at the center of the lower surface of the partition plate 11 in the valve body 1;
the upper end face of the valve core 2 is provided with a sealing groove along the circumferential direction, a sealing ring 24 is arranged in the sealing groove, the valve core 2 is nested on the side wall in the second cavity 13 and is provided with a circle of sealing groove, and the sealing ring 24 is arranged in the sealing groove.
Further preferably, the novel liquid inlet and outlet valve for high-pressure pump further comprises: a cone valve end cap 10;
a step 15 is arranged at the upper end port of the valve body 1, an end cover 31 in the cone valve lead 3 is buckled at the upper end port of the valve body 1, and the periphery of the end cover 31 is clamped on the step 15;
the cone valve end cover 10 is located above the end cover 31, the periphery of the cone valve end cover is fixedly connected with the valve body 1 through bolts 101, the end cover 31 is pressed on the step 15, and the cone valve end cover 10 is provided with second water outlet holes 102 which are coaxial and have the same caliber and correspond to the first water outlet holes 311 one by one.
Further preferably, the first water outlet holes 311 are uniformly arranged at intervals along the circumferential direction of the end cap 31.
Further preferably, the number of the first water outlet holes 311 is 8.
Further preferably, the water inlet holes 14 are uniformly arranged at intervals along the circumferential direction of the valve body 1.
Further preferably, the number of the water inlet holes 14 is 12.
Further preferably, an upward extending boss is disposed on the upper portion of the valve cover 7, the boss is nested at the lower end port of the valve core 2, and the periphery of the valve cover 7 is fixedly connected with the valve core 2 through a bolt 71.
Further preferably, the valve body 1, the valve body 2, and the cone valve 4 are made of stainless steel.
The invention provides a novel liquid inlet and outlet valve for a high-pressure pump, which consists of a valve body, a valve core, a cone valve lead, a cone valve, a first spring, a valve plate, a valve cover and a second spring, wherein the valve body and the valve core are of a split structure; when the plunger is in progress, the plunger generates thrust to the valve plate, the second spring is in a rebound state, the valve plate is attached to the upper end plate of the valve core under the double functions of the plunger and the second spring, the water inlet channel is closed, the cone valve moves upwards along the guide post under the thrust action of water flow in the third cavity and rotates simultaneously, at the moment, a water inlet hole is formed between the cone valve and the first through hole, the first cavity is in an open state, water flow flows into the first cavity from the third cavity, water is discharged through the water outlet hole, and water discharge of the water inlet and outlet valve is realized; when the plunger returns, the cone valve rotates when moving upwards, so that when the cone valve falls down to be plugged in the through hole again, the acting position of the cone valve contacted with the partition plate and the previous acting position are changed, and further the phenomenon that the cone valve cannot be used due to local damage is avoided.
The novel liquid inlet and outlet valve for the high-pressure pump has the advantages of being simple in structure, small and compact in size, low in maintenance cost and the like, and can prolong the service life of the cone valve and further reduce the maintenance cost through the eccentric structure design of the cone valve.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a novel liquid inlet and outlet valve for a high-pressure pump according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view along AA of FIG. 1;
FIG. 3 is a schematic diagram of a cone valve in a liquid inlet and outlet valve for a novel high-pressure pump according to an embodiment of the present disclosure;
fig. 4 is a bottom view of a cone valve in a liquid inlet and outlet valve for a novel high-pressure pump according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus consistent with aspects of the invention as detailed in the accompanying claims.
Referring to fig. 1 and 2, the novel liquid inlet and outlet valve for the high-pressure pump is provided in the present embodiment, and is mainly composed of a valve body 1, a valve core 2, a cone valve lead 3, a cone valve 4, a first spring 5, a valve plate 6, a valve cover 7 and a second spring 8, wherein a partition plate 11 is arranged in the valve body 1, an inner cavity penetrating up and down in the valve body 1 is divided into a first cavity 12 and a second cavity 13 which are arranged up and down, a first through hole 111 which is used for communicating the first cavity 12 and the second cavity 13 is arranged on the partition plate 11, 12 water inlet holes 14 which are communicated with the second cavity 13 are arranged on the side wall of the valve body 1 at intervals along the circumferential direction, each water inlet hole 14 is positioned below the partition plate 11, the valve core 2 is designed to be open at the lower end, a third cavity 21 is designed in the interior of the valve core 2, and the upper part of the valve core 2 is nested in the second cavity 13 of the valve body 1, a peripheral outer edge is arranged on the side wall of the valve core 2, the upper surface of the outer edge is propped against the lower end face of the valve body 1 and fixedly connected with the lower end face of the valve body 1 through bolts, a second through hole 22 coaxial with the first through hole 111 in the valve body 1 is arranged on the upper end face of the valve core 2, a plurality of water inlet channels 23 corresponding to the water inlet holes 14 in the valve body 1 one by one are arranged on the valve core 2, one end of each water inlet channel 23 is communicated with the corresponding water inlet hole 14, the other end of each water inlet channel is communicated with the third cavity 21, the cone valve lead 3 comprises an end cover 31 and a guide post 32, the upper end of the guide post is fixedly connected with the end cover 31, wherein the end cover 31 is fixedly buckled on the upper end port of the valve body 1, 8 first water outlet holes 311 penetrating up and down are uniformly distributed on the end cover 31 along the circumferential direction at intervals, the lower part of the cone valve 4 is movably inserted into the first through holes 111 of the partition plate 11 and the second through holes 22 of the valve core 2, the upper end of the cone valve 4 is provided with a sleeve 41, the cone valve 4 is slidably sleeved on the guide post 32 of the cone valve lead 3 through the sleeve 41, the cone valve 4 can slide along the guide post 32 relative to the cone valve lead 3 under the action of liquid pressure, the first cavity 12 is communicated or separated from the third cavity 21, the first spring 5 is sleeved outside the guide post 32 and the sleeve 41, the upper end of the first spring 5 abuts against the lower surface of the end cover 31 in the cone valve lead 3, the lower end of the first spring 5 abuts against the cone valve 4, the valve plate 6 is movably mounted in the third cavity 21 of the valve core 2, the valve cover 7 is mounted at the opening of the lower end of the valve core 2 in a blocking manner, the second spring 8 is positioned in the third cavity 21 of the valve core 2, the upper end of the second spring 8 abuts against the lower surface of the valve plate 6, and the lower end of the second spring 8 abuts against the upper surface of the valve cover 7.
The concrete working process of the liquid inlet and outlet valve is as follows: when the plunger is in return stroke, the valve plate is in an open state under the action of the suction force, the second spring is in a compression state, the cone valve is tightly plugged in the first through hole of the partition plate, so that the first cavity is closed, water flows into the third cavity from the water inlet hole, and water flows into the third cavity through a plurality of water inlet channels on the valve core, so that water inlet of the water inlet and outlet valve is realized; when the plunger is in progress, the plunger generates thrust to the valve plate, the second spring is in a rebound state, the valve plate is attached to the upper end plate of the valve core under the dual actions of the plunger and the second spring, the water inlet channel is closed, the cone valve moves upwards along the guide post under the thrust action of water flow in the third cavity, a water inlet hole is formed between the cone valve and the first through hole, the first cavity is in an open state, water flow flows into the first cavity from the third cavity, water is discharged through the water outlet hole, and water discharge of the water inlet and outlet valve is realized.
In the liquid inlet and outlet valve provided in the above embodiment, in the process of continuously alternating liquid inlet and outlet, the cone valve is correspondingly attached to and separated from the first through hole in the partition board, if the attaching position of the cone valve to the first through hole is unchanged, local abrasion of the cone valve is relatively fast, and the service life is greatly shortened, in order to solve the above problem, as an improvement of the technical scheme, referring to fig. 3 and 4, the cone valve 4 is designed to be composed of a sleeve 41, an inverted cone table 42 and a sliding block 43, wherein the diameter of the upper part of the inverted cone table 42 is larger than the diameter of the first through hole 111 on the partition board 11, the upper surface of the inverted cone table 42 is fixedly and integrally connected with the lower end of the sleeve 41, the sliding block 43 is in an eccentric 'swastika' shape structure, and the upper end of the sliding block 43 is fixedly and integrally connected with the lower surface of the inverted cone table 42, and in order to match the structural design of the cone valve, the first through hole on the partition board can be designed into a corresponding inverted cone table shape, and the diameter of the upper surface of the inverted cone table 42 is larger than the diameter of the upper surface of the first through hole.
The cone valve is designed into the structure, when the cone valve moves upwards along the guide pillar in the lead of the cone valve under the thrust action of the water flow of the third cavity each time, the cone valve rotates under the thrust action of the water flow due to the design of the eccentric swastika-shaped structure of the cone valve, and forms autorotation, and the joint points of the cone valve and the first through hole in the partition plate are inconsistent each time when the cone valve is closed, so that the surface of the inverted cone table of the cone valve is uniformly worn, and the service life is prolonged.
In order to reduce the impact force of the water flowing from the water inlet hole to the valve core, as an improvement of the technical scheme, referring to fig. 1 and 2, the joint of the upper end face and the side wall of the valve core 2 is designed as a slope, and the end part of the water inlet channel 23, which is communicated with the water inlet hole 14, is positioned on the slope.
In order to improve the firmness and tightness of the connection between the valve body and the valve core, as an improvement of the technical scheme, referring to fig. 2, a boss 112 extending downwards is arranged in the center of the lower surface of the partition plate 11 in the valve body 1, a sealing groove is arranged on the upper end surface of the valve core 2 along the circumferential direction, a sealing ring 24 is arranged in the sealing groove, a peripheral sealing groove is also arranged on the side wall of the valve core 2 nested in the second cavity 13, and the sealing ring 24 is arranged in the sealing groove.
In order to improve the firmness of connection between the cone valve lead and the valve body, referring to fig. 1, the cone valve end cover 10 is further designed in the inlet/outlet valve, meanwhile, a step 15 is arranged at the upper end port of the valve body 1, an end cover 31 in the cone valve lead 3 is buckled at the upper end port of the valve body 1, the periphery of the end cover 31 is clamped on the step 15, the cone valve end cover 10 is positioned above the end cover 31, the periphery of the cone valve end cover 10 is fixedly connected with the valve body 1 through bolts 101, the end cover 31 is pressed on the step 15, and a second water outlet hole 102 which corresponds to the first water outlet hole 311 one by one and has the same axis and the same caliber is arranged on the cone valve end cover 10.
In order to further improve the connection firmness of the valve cover and the valve core, as an improvement of the technical scheme, referring to fig. 1, an upward extending boss is arranged at the upper part of the valve cover 7, the boss is nested at the port of the lower end of the valve core 2, and the periphery of the valve cover 7 is fixedly connected with the valve core 2 through bolts 71.
In order to prolong the service life of the liquid inlet and outlet valve, the valve body 1, the valve core 2 and the cone valve 4 are all made of stainless steel materials.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. The utility model provides a novel high pressure pump is with advancing flowing back valve which characterized in that includes: the valve comprises a valve body (1), a valve core (2), a cone valve lead (3), a cone valve (4), a first spring (5), a valve plate (6), a valve cover (7) and a second spring (8);
a partition board (11) is arranged in the valve body (1), an inner cavity penetrating up and down in the valve body (1) is divided into a first cavity (12) and a second cavity (13) which are arranged up and down, a first through hole (111) which is used for communicating the first cavity (12) with the second cavity (13) is arranged on the partition board (11), the first through hole is positioned below the partition board (11), and a water inlet hole (14) which is used for communicating with the second cavity (13) is arranged on the side wall of the valve body (1);
the valve core (2) is opened at the lower end, a third cavity (21) is arranged in the valve core, the upper part of the valve core (2) is nested in a second cavity (13) of the valve body (1) and is fixedly connected with the valve body (1), a second through hole (22) coaxial with the first through hole (111) in the valve body (1) is arranged on the end face of the upper end of the valve core (2), a plurality of water inlet channels (23) are arranged on the valve core (2), the water inlet channels (23) are in one-to-one correspondence with the water inlet holes (14) in the valve body (1), one end of each water inlet channel (23) is communicated with the corresponding water inlet hole (14), and the other end of each water inlet channel (23) is communicated with the third cavity (21);
the cone valve lead (3) comprises an end cover (31) and a guide post (32) with the upper end fixedly connected with the end cover (31), the end cover (31) is fixedly buckled and installed at the upper end port of the valve body (1), and a first water outlet hole (311) penetrating up and down is formed in the end cover (31);
the lower part of the cone valve (4) is movably inserted into a first through hole (111) of the partition plate (11) and a second through hole (22) of the valve core (2), a sleeve (41) is arranged at the upper end of the cone valve (4), the cone valve (4) is sleeved on a guide post (32) of the cone valve lead (3) in a sliding manner through the sleeve (41), and the cone valve (4) can slide relative to the cone valve lead (3) along the guide post (32) under the action of liquid pressure to communicate or isolate the first cavity (12) with the third cavity (21);
the first spring (5) is sleeved outside the guide post (32) and the sleeve (41), the upper end of the first spring (5) is propped against the lower surface of the end cover (31) in the cone valve lead (3), and the lower end of the first spring (5) is propped against the cone valve (4);
the valve plate (6) is movably arranged in a third cavity (21) of the valve core (2);
the valve cover (7) is arranged at the opening of the lower end of the valve core (2) in a blocking manner;
the second spring (8) is located in the third cavity (21) of the valve core (2), the upper end of the second spring (8) abuts against the lower surface of the valve plate (6), and the lower end of the second spring (8) abuts against the upper surface of the valve cover (7).
2. The novel liquid inlet and outlet valve for a high-pressure pump according to claim 1, wherein the cone valve (4) comprises: a sleeve (41), an inverted cone frustum (42) and a slider (43);
the diameter of the upper part of the inverted cone table (42) is larger than that of the first through hole (111) on the partition plate (11), and the upper surface of the inverted cone table (42) is fixedly and integrally connected with the lower end of the sleeve (41);
the sliding block (43) is of an eccentric swastika-shaped structure, and the upper end of the sliding block (43) is fixedly and integrally connected with the lower surface of the inverted cone frustum (42).
3. The liquid inlet and outlet valve for the novel high-pressure pump according to claim 1, wherein the junction of the upper end face and the side wall of the valve core (2) is a slope, and the end part of the water inlet channel (23) communicated with the water inlet hole (14) is positioned on the slope.
4. The liquid inlet and outlet valve for the novel high-pressure pump according to claim 1, wherein a boss (112) extending downwards is arranged in the center of the lower surface of the partition plate (11) in the valve body (1);
the upper end face of the valve core (2) is provided with a sealing groove along the circumferential direction, a sealing ring (24) is arranged in the sealing groove, the valve core (2) is nested on the side wall in the second cavity (13) and is provided with a circle of sealing groove, and the sealing ring (24) is arranged in the sealing groove.
5. The novel liquid inlet and outlet valve for a high-pressure pump according to claim 1, further comprising: a cone valve end cap (10);
a step (15) is arranged at the upper end port of the valve body (1), an end cover (31) in the cone valve lead (3) is buckled at the upper end port of the valve body (1), and the periphery of the end cover (31) is clamped on the step (15);
the cone valve end cover (10) is located above the end cover (31), the periphery of the cone valve end cover is fixedly connected with the valve body (1) through bolts (101), the end cover (31) is pressed on the step (15), and the cone valve end cover (10) is provided with second water outlet holes (102) which are coaxial and have the same caliber and correspond to the first water outlet holes (311) one by one.
6. The novel liquid inlet and outlet valve for the high-pressure pump according to claim 5, wherein the first water outlet holes (311) are uniformly arranged at intervals along the circumferential direction of the end cover (31).
7. The novel liquid inlet and outlet valve for the high-pressure pump according to claim 1, wherein the water inlet holes (14) are uniformly arranged at intervals along the circumferential direction of the valve body (1).
8. The liquid inlet and outlet valve for the novel high-pressure pump according to claim 1, wherein a boss extending upwards is arranged on the upper portion of the valve cover (7), the boss is nested at the port of the lower end of the valve core (2), and the periphery of the valve cover (7) is fixedly connected with the valve core (2) through bolts (71).
9. The liquid inlet and outlet valve for the novel high-pressure pump according to claim 1, wherein the valve body (1), the valve core (2) and the cone valve (4) are all made of stainless steel materials.
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 CN108999778A (en) | 2018-12-14 |
| CN108999778B true CN108999778B (en) | 2024-04-05 |
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| CN201811257575.6A Active CN108999778B (en) | 2018-10-26 | 2018-10-26 | Novel liquid inlet and outlet valve for high-pressure pump |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010135902A1 (en) * | 2009-05-27 | 2010-12-02 | 泸州川油钻采工具有限公司 | High-low pressure pilot valve |
| CN202001162U (en) * | 2010-12-07 | 2011-10-05 | 中国第一汽车集团公司无锡油泵油嘴研究所 | Oil-taking metering valve controlled common-rail oil feed pump |
| CN103557155A (en) * | 2013-11-20 | 2014-02-05 | 天津市通洁高压泵制造有限公司 | Multipurpose plunger-reciprocating high-pressure pump convenient to maintain |
| CN103768998A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Rotary type ultrahigh pressure supercharger of synthetic diamond cubic press |
| CN104500796A (en) * | 2014-11-13 | 2015-04-08 | 浙江大农实业股份有限公司 | Pressure regulating valve |
| JP2015224619A (en) * | 2014-05-29 | 2015-12-14 | 株式会社テージーケー | Control valve for variable displacement compressor |
| CN105781962A (en) * | 2016-05-13 | 2016-07-20 | 无锡海升高压泵有限公司 | Novel taper valve assembly |
| CN108413083A (en) * | 2018-04-13 | 2018-08-17 | 中煤科工集团重庆研究院有限公司 | A kind of double protection check valves |
| CN209041097U (en) * | 2018-10-26 | 2019-06-28 | 河南伯淼水处理有限公司 | A kind of Novel high-pressure pump combination valve |
-
2018
- 2018-10-26 CN CN201811257575.6A patent/CN108999778B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010135902A1 (en) * | 2009-05-27 | 2010-12-02 | 泸州川油钻采工具有限公司 | High-low pressure pilot valve |
| CN202001162U (en) * | 2010-12-07 | 2011-10-05 | 中国第一汽车集团公司无锡油泵油嘴研究所 | Oil-taking metering valve controlled common-rail oil feed pump |
| CN103557155A (en) * | 2013-11-20 | 2014-02-05 | 天津市通洁高压泵制造有限公司 | Multipurpose plunger-reciprocating high-pressure pump convenient to maintain |
| CN103768998A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Rotary type ultrahigh pressure supercharger of synthetic diamond cubic press |
| JP2015224619A (en) * | 2014-05-29 | 2015-12-14 | 株式会社テージーケー | Control valve for variable displacement compressor |
| CN104500796A (en) * | 2014-11-13 | 2015-04-08 | 浙江大农实业股份有限公司 | Pressure regulating valve |
| CN105781962A (en) * | 2016-05-13 | 2016-07-20 | 无锡海升高压泵有限公司 | Novel taper valve assembly |
| CN108413083A (en) * | 2018-04-13 | 2018-08-17 | 中煤科工集团重庆研究院有限公司 | A kind of double protection check valves |
| CN209041097U (en) * | 2018-10-26 | 2019-06-28 | 河南伯淼水处理有限公司 | A kind of Novel high-pressure pump combination valve |
Non-Patent Citations (2)
| Title |
|---|
| 水基高速开关阀阀芯的设计及密封性能分析;高晓艳;吴张永;张晓龙;刘云韩;曲金涛;润滑与密封;20131231;第38卷(第9期);全文 * |
| 高压往复泵进排液阀故障分析与改进设计;李强;宫恩祥;石海峡;田海平;;排灌机械;20070930(第05期);全文 * |
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|---|---|
| CN108999778A (en) | 2018-12-14 |
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