CN217029270U - Double-side flat plate sealing type liquid inlet and outlet valve structure of ultrahigh pressure pump - Google Patents
Double-side flat plate sealing type liquid inlet and outlet valve structure of ultrahigh pressure pump Download PDFInfo
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- CN217029270U CN217029270U CN202123260959.3U CN202123260959U CN217029270U CN 217029270 U CN217029270 U CN 217029270U CN 202123260959 U CN202123260959 U CN 202123260959U CN 217029270 U CN217029270 U CN 217029270U
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Abstract
The utility model discloses a double-side flat plate sealing type liquid inlet and outlet valve structure of an ultra-high pressure pump, which comprises a liquid inlet and outlet valve, a pump head and a cylinder body, wherein the liquid inlet and outlet valve is positioned between the pump head and the cylinder body, a liquid inlet valve plate, a liquid inlet spring, a valve plate guide sleeve and a plunger are arranged in the cylinder body, a water inlet channel is arranged on one side of the pump head, the interior of the pump head is communicated with the interior of the liquid inlet and outlet valve, a drain hole is arranged at the central position of the liquid inlet and outlet valve, a liquid outlet valve core is arranged on one side of the drain hole, a liquid outlet spring seat is arranged on one side of the liquid outlet valve core, a liquid outlet hole is arranged on one side of the liquid outlet spring seat, and the liquid inlet and outlet valve is respectively connected with the planes of the cylinder body and the pump head, meanwhile, the diameter of a central drain hole of the liquid inlet and outlet valve can be greatly reduced, the pressure bearing capacity of the liquid inlet and outlet valve is improved, and the service life is further prolonged.
Description
Technical Field
The utility model relates to the technical field of ultra-high pressure pumps, in particular to a double-side flat plate sealing type liquid inlet and outlet valve structure of an ultra-high pressure pump.
Background
In the field of ultrahigh pressure pumps, the conventional pressurizing mode is that a plunger reciprocates to pressurize, and as a core component of the ultrahigh pressure pump, the liquid discharge seal of the conventional liquid inlet and discharge valve is usually a conical surface seal, a liquid discharge valve core reciprocates in a water discharge hole of the liquid inlet and discharge valve, the conical surface of the structure is difficult to process, the liquid discharge valve core moves in the liquid inlet and discharge valve, the abrasion is very serious, the service life is very short, the diameter of a central hole is large, and the pressure bearing capacity is insufficient.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides a double-side flat plate sealing type liquid inlet and outlet valve structure of an ultra-high pressure pump, can prolong the service life of the liquid inlet and outlet valve, can be recycled after being simply repaired after being worn, increases the pressure bearing capacity of a pump set, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the double-side flat plate sealed type liquid inlet and outlet valve structure of the ultra-high pressure pump comprises a liquid inlet and outlet valve, a pump head and a cylinder body, wherein the liquid inlet and outlet valve is positioned between the pump head and the cylinder body, a liquid inlet valve plate, a liquid inlet spring, a valve plate guide sleeve and a plunger are arranged in the cylinder body, a water inlet channel is arranged on one side of the pump head, the pump head and the liquid inlet and outlet valve are communicated, a drain hole is formed in the central position of the liquid inlet and outlet valve, a liquid outlet valve core is arranged on one side of the drain hole, a liquid outlet spring seat is arranged on one side of the liquid outlet valve core, a liquid outlet spring is sleeved on the outer side surface of the liquid outlet valve core, and a pump head water outlet hole is formed in one side of the liquid outlet spring seat and is respectively connected with the plane of the cylinder body and the pump head.
As a preferable technical scheme of the utility model, both ends of the liquid inlet and outlet valve are clamped in grooves of the cylinder body and the pump head.
As a preferable technical scheme of the utility model, the liquid discharge valve core is in sealing connection with the liquid inlet and outlet valve through a second sealing ring and a third sealing ring.
As a preferable technical solution of the present invention, the liquid inlet/outlet valve and the cylinder body are hermetically connected by a first seal ring.
In a preferred embodiment of the present invention, the sealing surface of the liquid discharge valve element is formed by grinding, and the non-sealing surface of the liquid discharge valve element is subjected to QPQ surface treatment to prevent adhesion to the liquid discharge spring seat during movement.
Compared with the prior art, the utility model has the beneficial effects that: the double-side flat plate sealing type liquid inlet and outlet valve of the ultrahigh pressure pump is reasonable in structural design, the diameter of the central hole is greatly reduced, the bearing capacity is greatly improved, the valve is not abraded, the service life of the liquid inlet and outlet valve can be effectively prolonged, the sealing between planes is convenient to process, the structure is reliable, the valve is easy to repair after abrasion, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the liquid inlet and outlet valve 1, the liquid inlet valve plate 2, the liquid outlet valve core 3, the liquid outlet spring 4, the liquid inlet spring 5, the liquid outlet spring seat 6, the valve plate guide sleeve 7, the cylinder body 8, the pump head 9, the first sealing ring 10, the second sealing ring 11, the third sealing ring 12, the water outlet hole 13, the water inlet channel 14, the water outlet hole of the pump head 15 and the plunger piston 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1, the present invention provides a technical solution: a double-side flat plate sealing type liquid inlet and outlet valve structure of an ultra-high pressure pump comprises a liquid inlet and outlet valve 1, a pump head 9 and a cylinder body 8, wherein the liquid inlet and outlet valve 1 is positioned between the pump head 9 and the cylinder body 8, a liquid inlet valve plate 2, a liquid inlet spring 5, a valve plate guide sleeve 7 and a plunger 16 are arranged in the cylinder body 8, a water inlet channel 14 is arranged on one side of the pump head 9, the pump head 9 is communicated with the inside of the liquid inlet and outlet valve 1, a water outlet hole 13 is arranged at the central position of the liquid inlet and outlet valve 1, a liquid outlet valve core 3 is arranged on one side of the water outlet hole 13, a liquid outlet spring seat 6 is arranged on one side of the liquid outlet valve core 3, a liquid outlet spring seat 6 is sleeved on the outer side of the liquid outlet valve core 3, a water outlet hole 15 is arranged on one side of the liquid inlet and outlet valve 1, the liquid inlet and outlet valve 1 are respectively connected with the planes of the cylinder body 8 and the pump head 9, the liquid inlet and outlet valve 1 are hermetically connected with the cylinder body 8 through a first sealing ring 10, the liquid outlet valve core 3 is hermetically connected with the liquid inlet and liquid outlet valve 1 through a second sealing ring 11 and a third sealing ring 12, can effectual improvement sealing capacity through setting up first sealing washer 10, second sealing washer 11 and third sealing washer 12, the sealed face of flowing back case 3 is formed through abrasive machining, and the non-sealing face of flowing back case 3 passes through QPQ surface treatment for prevent when the motion with the adhesion of flowing back spring seat 6, this two side dull and stereotyped sealed type of super pressure pump advances flowing back valve structural design is reasonable, convenient operation, can effectual extension advance the life of flowing back valve 1, the processing assembly of being convenient for.
When in use: the two end faces of the liquid inlet and outlet valve 1 are respectively connected with the pump head 9 and the cylinder body 8 in a sealing mode through a first sealing ring 10, a second sealing ring 11 and a third sealing ring 12, when the plunger 16 moves towards the left side, low-pressure water enters the liquid inlet and outlet valve 1 from the water inlet channel 14 and jacks up the liquid inlet valve plate 2 to enter the cylinder body 8, when the plunger 16 moves towards the right side, the liquid inlet valve plate 2 is closed, the high-pressure water is discharged from the water discharge hole 13 of the liquid inlet and outlet valve 1, the liquid discharge valve core 3 is jacked up, and finally the high-pressure water is discharged from the water outlet hole 15 of the pump head.
Compared with other conical surface sealing liquid inlet and outlet valves 1, the conical surface sealing liquid inlet and outlet valve has the advantages of being obvious in advantages, convenient to process, capable of being repeatedly repaired and reused after a sealing surface is eroded, the liquid outlet valve core 3 does not move in the liquid inlet and outlet valve 1, the situation of abrasion does not exist, meanwhile, the diameter of the water outlet hole 13 in the center of the liquid inlet and outlet valve 1 can be greatly reduced, the pressure bearing capacity of the liquid inlet and outlet valve 1 is improved, and the service life is further prolonged.
Example 2: the difference with embodiment 1 lies in, and the both ends of liquid inlet and outlet valve 1 all the joint is in the recess of cylinder body 8 and pump head 9, makes things convenient for liquid inlet and outlet valve 1's installation and sealed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a two side flat plate sealing formula liquid inlet and outlet valve structures of super high pressure pump, includes liquid inlet and outlet valve (1), pump head (9) and cylinder body (8), liquid inlet and outlet valve (1) are located between pump head (9) and cylinder body (8), be provided with feed liquor valve plate (2), feed liquor spring (5), valve plate guide pin bushing (7) and plunger (16) in cylinder body (8), one side of pump head (9) is provided with water inlet channel (14), and pump head (9) and liquid inlet and outlet valve (1) are inside to be linked together, the central point of liquid inlet and outlet valve (1) puts and is provided with wash port (13), its characterized in that: the drainage valve is characterized in that a drainage valve core (3) is arranged on one side of the drainage hole (13), a drainage spring seat (6) is arranged on one side of the drainage valve core (3), a drainage spring (4) is sleeved on the outer side surface of the drainage valve core (3), a pump head water outlet hole (15) is arranged on one side of the drainage spring seat (6), and the liquid inlet and outlet valve (1) is connected with the plane of the cylinder body (8) and the plane of the pump head (9) respectively.
2. The double-side flat plate sealing type liquid inlet and outlet valve structure of the ultra-high pressure pump as claimed in claim 1, wherein: and the two ends of the liquid inlet and outlet valve (1) are clamped in grooves of the cylinder body (8) and the pump head (9).
3. The double-side flat plate sealing type liquid inlet and outlet valve structure of the ultra-high pressure pump as claimed in claim 1, wherein: the liquid drainage valve core (3) is connected with the liquid inlet and drainage valve (1) in a sealing mode through a second sealing ring (11) and a third sealing ring (12).
4. The double-side flat plate sealing type liquid inlet and outlet valve structure of the ultra-high pressure pump as claimed in claim 1, characterized in that: the liquid inlet and outlet valve (1) is connected with the cylinder body (8) in a sealing mode through a first sealing ring (10).
5. The double-side flat plate sealing type liquid inlet and outlet valve structure of the ultra-high pressure pump as claimed in claim 1, wherein: the sealing surface of the liquid discharge valve core (3) is formed by grinding, and the non-sealing surface of the liquid discharge valve core (3) is subjected to QPQ surface treatment and used for preventing adhesion with the liquid discharge spring seat (6) during movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260959.3U CN217029270U (en) | 2021-12-23 | 2021-12-23 | Double-side flat plate sealing type liquid inlet and outlet valve structure of ultrahigh pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260959.3U CN217029270U (en) | 2021-12-23 | 2021-12-23 | Double-side flat plate sealing type liquid inlet and outlet valve structure of ultrahigh pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029270U true CN217029270U (en) | 2022-07-22 |
Family
ID=82443946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260959.3U Active CN217029270U (en) | 2021-12-23 | 2021-12-23 | Double-side flat plate sealing type liquid inlet and outlet valve structure of ultrahigh pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029270U (en) |
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2021
- 2021-12-23 CN CN202123260959.3U patent/CN217029270U/en active Active
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