CN215596044U - Ultrahigh pressure forward opening one-way valve adopting plane sealing - Google Patents
Ultrahigh pressure forward opening one-way valve adopting plane sealing Download PDFInfo
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- CN215596044U CN215596044U CN202121766670.6U CN202121766670U CN215596044U CN 215596044 U CN215596044 U CN 215596044U CN 202121766670 U CN202121766670 U CN 202121766670U CN 215596044 U CN215596044 U CN 215596044U
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Abstract
The utility model discloses an ultrahigh pressure forward opening one-way valve adopting plane sealing, which structurally comprises: when the pressure of the oil inlet cavity A is not high or the pressure of the oil port cavity A is lower than that of the oil port cavity B, the spring seat is pushed under the action of the spring to drive the valve core to lift upwards together, the check valve is closed, and oil in the oil port cavity B cannot enter the oil port cavity A; when the pressure in the oil port A cavity is overcome by the spring force of the spring, the valve core moves downwards, and the check valve is opened.
Description
Technical Field
The utility model relates to the technical field of hydraulic parts, in particular to an ultrahigh pressure forward opening one-way valve adopting plane sealing.
Background
The ultrahigh pressure check valve is mainly applied to an ultrahigh pressure hydraulic circuit, and is also called a check valve, so that hydraulic oil can only flow in a specified direction and is stopped in the opposite direction. The ultra-high pressure check valve is mainly applied to a forward flow loop of a diamond press or other ultra-high pressure systems, and the service life of the existing ultra-high pressure check valve is short under the ultra-high pressure environment due to the adoption of a cone valve structure, so that the service life of the hydraulic control check valve can be prolonged by changing the plane sealing.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of how to provide the ultrahigh pressure forward opening check valve adopting plane sealing, which has long service life, good pressure maintaining effect and high reliability.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides an adopt sealed superhigh pressure forward opening check valve of plane, its structure includes: the valve comprises a plug, an ultrahigh pressure sealing ring, a steel wire retainer ring, a spring seat, a valve seat, a spring, an ultrahigh pressure seal and a valve core, wherein the valve seat is used as a valve main body component, the plug screws the valve seat in a valve hole through threads, the plug is provided with an ultrahigh pressure oil port A, and the plug and the valve seat are arranged in a valve body insertion hole in a split structure; an ultrahigh pressure sealing ring is arranged between the valve seat and the plug, a spring is arranged on the spring seat, a steel wire check ring is arranged on the other side of the spring seat to limit the displacement of the spring seat, an inner hole of the valve seat is tightly matched and connected with the valve core, the plug is connected with the valve body through threads, and the ultrahigh pressure forward opening check valve is integrated into a whole through the valve body; the ultrahigh pressure oil port B is arranged below the position of the valve core, so that the valve body cannot interfere with the action of the valve core.
Preferably, the specifications of the ultrahigh-pressure seal ring are as follows: phi 40 phi 32.9 phi 7.6 (unit: mm); the ultrahigh pressure sealing ring is arranged in the plug reserved groove and is used for isolating and preventing hydraulic oil entering the cavity A of the oil port from leaking to the outside from the matching surface of the plug and the valve body.
Preferably, the specifications of the ultra-high pressure seal are as follows: the phi 30 phi 22.9 phi 7.6 (unit: mm) ultrahigh pressure sealing ring is used for isolating and preventing hydraulic oil in the cavity A of the front oil port of the valve from leaking to the cavity B of the rear oil port of the valve.
Furthermore, in order to ensure that the ultrahigh pressure one-way valve is completely matched with the bottom surface of the insertion hole, the plug is designed to be hexagonal and has a certain gap with the insertion hole, and the plug is matched with the insertion hole to ensure that the ultrahigh pressure sealing ring cannot be extruded under high pressure.
Further, in order to ensure that the ultrahigh pressure seal cannot be extruded under high pressure, the valve seat is in threaded connection with the plug, and the valve seat is tightly pressed and installed on the bottom surface of the insertion hole.
Furthermore, in order to easily and conveniently take out the valve seat from the insertion hole when the ultrahigh pressure check valve is replaced, two threaded holes M3 are arranged on the end face of the valve seat.
Furthermore, in order to ensure that the valve core is not clamped and stagnated due to the eccentric load when the valve core is opened and closed and the performance of the one-way valve is influenced, the inner hole of the valve seat is tightly matched and connected with the valve core.
Furthermore, in order to ensure that the oil passing capacity when the check valve is opened can meet the requirements, an oil passing groove is formed in an inner hole of the valve seat.
Preferably, the ultrahigh pressure check valve is provided with two oil ports, namely an oil port A and an oil port B, as a common check valve, when the oil port A is an oil inlet and the oil port B is an oil outlet, the spring force is overcome and the check valve is conducted in the forward direction when the oil port A feeds oil; when the oil port B is an oil outlet and the oil port B is fed with oil, the valve core returns to the seat and the one-way valve is stopped.
When the pressure of the oil port A cavity is not high or the pressure of the oil port A cavity is lower than that of the oil port B cavity, the spring seat 4 is pushed under the action of the spring to drive the valve core 8 to lift upwards, the check valve is closed, and oil in the oil port B cavity cannot enter the oil port A cavity; when the pressure in the oil port A cavity is overcome by the spring force of the spring, the valve core moves downwards, and the check valve is opened.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an oil inlet and outlet principle of an embodiment of the present invention;
reference numerals:
1-plug by screwing; 2-ultrahigh pressure sealing ring; 3-a steel wire retainer ring; 4-spring seats; 5-valve seat; 6-a spring; 7-ultrahigh pressure sealing; 8-valve core; 9-a valve body; a-oil port A; b-oil port B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1-2, in an embodiment of the present invention, an ultrahigh pressure forward opening check valve using a flat seal comprises: the valve comprises a plug 1, an ultrahigh pressure sealing ring 2, a steel wire retainer ring 3, a spring seat 4, a valve seat 5, a spring 6, an ultrahigh pressure seal 7 and a valve core 8, wherein the valve seat 5 is used as a valve body component, the plug 1 screws the valve seat 5 in a valve hole through threads, the plug 1 is provided with an ultrahigh pressure oil port A, and the plug 1 and the valve seat 5 are arranged in a valve body insertion hole in a split structure; an ultrahigh pressure sealing ring 2 is arranged between the valve seat 5 and the plug 1, a spring 6 is arranged on the spring seat 4, a steel wire retainer ring 3 is arranged on the other side of the spring seat 4 to limit the displacement of the spring seat 4, an inner hole of the valve seat 5 is tightly matched and connected with a valve core 8, the plug 1 is connected with a valve body 9 through threads, and the ultrahigh pressure forward opening check valve is integrated into a whole through the valve body; the ultrahigh pressure oil port B is arranged below the position of the valve core, so that the valve body cannot interfere with the action of the valve core.
Preferably, the specifications of the ultra-high pressure seal ring 2 are: the phi 40 phi 32.9 phi 7.6 (unit: mm) ultrahigh pressure sealing ring 2 is arranged in a reserved groove of the plug 1 and is used for isolating and preventing hydraulic oil entering the cavity A of the oil port from leaking to the outside from the matching surface of the plug 1 and the valve body 9.
Preferably, the specifications of the ultra-high pressure seal ring 7 are: the phi 30 phi 22.9 phi 7.6 (unit: mm) ultrahigh pressure sealing ring 7 is used for isolating and preventing hydraulic oil in the cavity A of the front oil port of the valve from leaking to the cavity B of the rear oil port of the valve.
Further, in order to ensure that the ultrahigh pressure one-way valve is completely matched with the bottom surface of the insertion hole, the plug 1 is designed to be hexagonal and has a certain gap with the insertion hole, and the plug 1 is matched with the insertion hole to ensure that the ultrahigh pressure sealing ring 2 cannot be extruded under high pressure.
Further, in order to ensure that the ultrahigh pressure seal 7 cannot be extruded out under high pressure, the valve seat 5 is in threaded connection with the plug 1, and the valve seat 5 is tightly pressed and arranged on the bottom surface of the insertion hole.
Further, in order to easily and conveniently take out the valve seat 5 from the insertion hole when replacing the extra-high pressure check valve, two threaded holes M3 are provided on the end surface of the valve seat 5.
Further, in order to ensure that the valve core 8 is not blocked due to the eccentric load force when the valve core 8 is opened and closed, and the performance of the one-way valve is not affected, the inner hole of the valve seat 5 is tightly matched and connected with the valve core 8.
Further, in order to ensure that the oil passing capacity when the check valve is opened can meet the requirements, an oil passing groove is formed in an inner hole of the valve seat 5.
In the specific implementation process, the ultrahigh pressure check valve is provided with two oil ports, namely an oil port A and an oil port B, as a common check valve, when the oil port A is an oil inlet and the oil port B is an oil outlet, the spring force is overcome and the check valve is conducted in the forward direction when the oil port A feeds oil; when the oil port B is an oil outlet and the oil port B is fed with oil, the valve core returns to the seat and the one-way valve is stopped.
When the pressure of the oil port A cavity is not high or the pressure of the oil port A cavity is lower than that of the oil port B cavity, the spring seat 4 is pushed under the action of the spring 6 to drive the valve core 8 to lift upwards together, the check valve is closed, and oil in the oil port B cavity cannot enter the oil port A cavity; when the cavity A of the oil port has pressure and overcomes the spring force of the spring 6, the valve core 8 moves downwards, and the check valve is opened.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an adopt sealed superhigh pressure forward open check valve in plane which characterized in that: the structure includes: the valve comprises a plug, an ultrahigh pressure sealing ring, a steel wire retaining ring, a spring seat, a valve seat, a spring, an ultrahigh pressure seal and a valve core, wherein the valve seat is used as a valve body component; when the oil port B is an oil outlet and oil is fed into the oil port B, the valve core returns to the seat and the one-way valve is stopped; the valve seat is screwed in the valve hole through threads by the plug, the plug is provided with an ultrahigh pressure oil port A, and the plug and the valve seat are arranged in the valve body insertion hole in a split structure; an ultrahigh pressure sealing ring is arranged between the valve seat and the plug, a spring is arranged on the spring seat, a steel wire check ring is arranged on the other side of the spring seat to limit the displacement of the spring seat, an inner hole of the valve seat is tightly matched and connected with the valve core, the plug is connected with the valve body through threads, and the ultrahigh pressure forward opening check valve is integrated into a whole through the valve body; the ultrahigh pressure oil port B is arranged below the position of the valve core.
2. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the ultrahigh-pressure sealing ring is arranged in the plug reserved groove, and the specification of the ultrahigh-pressure sealing ring is as follows: phi 40 phi 32.9 phi 7.6, in mm.
3. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the specification of the ultra-high pressure seal is phi 30 phi 22.9 phi 7.6, unit: mm.
4. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: in order to ensure that the ultrahigh pressure one-way valve is completely matched with the bottom surface of the insertion hole, the plug is designed to be hexagonal, a certain gap is reserved between the plug and the insertion hole, and the plug is matched and connected with the insertion hole.
5. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the valve seat is in threaded connection with the plug, and the valve seat is tightly pressed and arranged on the bottom surface of the insertion hole.
6. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the valve seat end face is provided with two threaded holes of M3.
7. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the inner hole of the valve seat is tightly matched and connected with the valve core.
8. The ultrahigh pressure forward opening check valve adopting the plane seal as set forth in claim 1, wherein: the valve seat inner hole is provided with an oil passing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766670.6U CN215596044U (en) | 2021-07-30 | 2021-07-30 | Ultrahigh pressure forward opening one-way valve adopting plane sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766670.6U CN215596044U (en) | 2021-07-30 | 2021-07-30 | Ultrahigh pressure forward opening one-way valve adopting plane sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596044U true CN215596044U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121766670.6U Active CN215596044U (en) | 2021-07-30 | 2021-07-30 | Ultrahigh pressure forward opening one-way valve adopting plane sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596044U (en) |
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2021
- 2021-07-30 CN CN202121766670.6U patent/CN215596044U/en active Active
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