CN218992036U - Exhaust valve with pressure measuring function - Google Patents
Exhaust valve with pressure measuring function Download PDFInfo
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- CN218992036U CN218992036U CN202223515088.XU CN202223515088U CN218992036U CN 218992036 U CN218992036 U CN 218992036U CN 202223515088 U CN202223515088 U CN 202223515088U CN 218992036 U CN218992036 U CN 218992036U
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- pressure measuring
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Abstract
The application discloses take discharge valve of pressure measurement function belongs to hydraulic pressure spare part technical field. The hydraulic system is mainly applied to exhaust and pressure measurement of the hydraulic system, the hydraulic system is provided with an exhaust port, the exhaust port comprises a joint end, the joint end is connected with the exhaust port and used for guiding air flow, and a first unidirectional conduction assembly is arranged in the joint end; the pressure measuring end is connected with one end, far away from the exhaust port, of the joint main body, the second unidirectional conduction assembly is arranged in the pressure measuring end, and the interface is arranged on one side, far away from the joint end, of the pressure measuring end and is communicated with the second unidirectional conduction assembly; the first unidirectional conductive component is communicated with the second unidirectional conductive component. The utility model provides a take discharge valve of pressure measurement function when the interface department inserts the measuring joint of taking the thimble or take the hose of thimble, through the effect of first one-way conduction subassembly and the one-way conduction subassembly of second, can reach respectively and exhaust and pressure measurement two kinds of functions to hydraulic system.
Description
Technical Field
The application relates to the technical field of hydraulic parts, in particular to an exhaust valve with a pressure measuring function.
Background
Before the hydraulic system is used, the components and the inside of the pipelines are filled with air, in addition, the air can enter important pipelines in the working process of the hydraulic system, and bubbles are formed in oil liquid by the air, so that the pressure of the system is unstable, the pipelines and equipment vibrate to influence the normal use of the hydraulic system, and therefore, the gas in the hydraulic oil needs to be discharged;
the utility model patent with publication number CN 202391862U specifically discloses an exhaust pressure stabilizing joint, and the joint body and the sintering filter element are arranged, so that the exhaust pressure stabilizing joint has the function of automatic exhaust pressure relief;
however, in the above-mentioned patent publication, although the function of automatic pressure relief by exhaust is achieved, the gas pressure value in the hydraulic system cannot be measured by the pressure-stabilizing joint for exhaust, so that it is necessary to provide an exhaust valve with a pressure measuring function to solve the above-mentioned problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present application is to: the exhaust valve with the pressure measuring function is provided, and two functions of exhaust and pressure measuring are realized.
The technical scheme adopted for solving the technical problems is as follows: an exhaust valve with pressure measuring function is applied to exhaust and pressure measuring of a hydraulic system, the hydraulic system is provided with an exhaust port, the exhaust valve comprises a joint end, the joint end is connected with the exhaust port and is used for guiding air flow, a first one-way conduction component is arranged in the joint end and is in bidirectional conduction in a free state, when the air flow flows in from the exhaust port end, the first one-way conduction component is conducted, and when the air flow flows in the opposite direction, the first one-way conduction component is sealed; the pressure measuring end is connected with one end, far away from the exhaust port, of the connector main body, a second one-way conduction assembly is arranged in the pressure measuring end, the second one-way conduction assembly is in bidirectional sealing in a free state, when air flows in from the exhaust port end, the second one-way conduction assembly is sealed, and when the air flows in the opposite direction, the second one-way conduction assembly is conducted; the interface is arranged on one side of the pressure measuring end away from the connector end, and is communicated with the second unidirectional conduction assembly; the first unidirectional conduction assembly is communicated with the second unidirectional conduction assembly, and the interface is used for being connected with a measuring joint with a thimble or a hose with the thimble so as to be convenient for pressure measurement or exhaust of the hydraulic system.
Further, the first unidirectional conduction assembly comprises a fourth step hole, a third step hole and a second step hole which are coaxially arranged in sequence along the direction of gas discharge in the hydraulic system; the fourth step Kong Zhongan is provided with a second spring, one end, far away from the third step hole, of the second spring is provided with a valve ball, the valve ball is arranged in the third step hole, and the diameter of the valve ball is larger than that of the third step hole.
Further, the inside slip in second step hole is provided with the briquetting, the briquetting be close to one side of valve ball be provided with the circular arc that the valve ball matches, the inside of briquetting is provided with the third hole that link up.
Further, the second unidirectional conduction assembly comprises a first cavity positioned at one end inside the joint main body, a first spring is arranged at the bottom of the first cavity, a spring plunger is arranged at one end, far away from the bottom of the first cavity, of the first spring, the spring plunger is sleeved inside the first spring, a through hole is formed in the spring plunger, and a sealing block is clamped in the through hole; the connecting body is provided with a second cavity communicated with the first cavity, a first inclined plane is arranged at the joint of the first cavity and the second cavity, the first inclined plane is arranged along the direction from the first cavity to the second cavity, the section is gradually reduced, and a second inclined plane matched with the first inclined plane is arranged on the sealing block.
Further, a first sealing body is arranged on the contact surface of the spring plunger and the sealing block.
Further, a dust cap assembly is installed in the interface.
Further, the shell is arranged on the outer side of the pressure measuring main body in a threaded mode.
The beneficial effects of this application are: the application provides a take discharge valve of pressure measurement function, through setting up the first one-way subassembly that switches on at the joint end, the second one-way subassembly and the interface that switch on of pressure measurement end, when the interface department inserts the measuring joint of taking the thimble or take the hose of thimble, can reach respectively two kinds of functions of exhausting and pressure measurement to hydraulic system through the effect of first one-way subassembly and the second one-way subassembly that switches on.
In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is an overall schematic diagram of an exhaust valve with pressure measurement function according to the present application;
FIG. 2 is a schematic perspective view in cross-section of the overall structure of FIG. 1;
FIG. 3 is a cross-sectional plan view of the overall structure of FIG. 1;
FIG. 4 is a schematic view of the partial structure at A in FIG. 3;
wherein, each reference sign in the figure:
1. a pressure measuring end; 11. a pressure measuring body; 111. a first hole; 12. a connecting body; 121. a first chamber; 122. a second chamber; 13. a first spring; 14. a spring plunger; 15. a first sealing body; 16. a sealing block; 17. a second sealing body; 2. a connector end; 21. a joint body; 211. a joint thread; 212. a first stepped hole; 213. a second stepped hole; 214. a third stepped hole; 215. a fourth stepped hole; 216. a second hole; 22. briquetting; 221. a third hole; 23. a valve ball; 24. a second spring; 3. a housing; 4. a dust cap assembly; 5. and a third sealing body.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1-2, the present application provides an exhaust valve with pressure measuring function, which is applied to exhaust and pressure measurement of a hydraulic system, and comprises a pressure measuring end 1 and a joint end 2 screwed on the pressure measuring end 1, wherein a third sealing body 5 for sealing is arranged on the connecting end surface of the pressure measuring end 1 and the joint end 2, meanwhile, a joint thread 211 is arranged on one side of the joint end 2 away from the pressure measuring end 1, the joint thread 211 is used for being connected with an exhaust port on the hydraulic system, and the pressure measuring end 1 is used for detecting the gas pressure inside the hydraulic system;
as shown in fig. 2 to 3, a first unidirectional current conducting assembly is provided inside the joint end 2, the first unidirectional current conducting assembly includes a second hole 216, a fourth stepped hole 215, a third stepped hole 214, a second stepped hole 213 and a first stepped hole 212 coaxially provided in order along a direction of gas discharge in the hydraulic system, and diameters of the fourth stepped hole 215, the third stepped hole 214, the second stepped hole 213 and the first stepped hole 212 are sequentially increased, wherein: the second hole 216 is used for communicating with the interior of the hydraulic system and receiving the fluid discharged from the hydraulic system, and the first stepped hole 212 is used for installing the pressure measuring end 1;
a second spring 24 is fixed in the fourth step hole 215, a valve ball 23 is fixed at one end of the second spring 24 far from the third step hole 214, the valve ball 23 is arranged in the third step hole 214, and the diameter of the valve ball 23 is slightly larger than that of the third step hole 214;
a pressing block 22 is slidably disposed in the second stepped hole 213, the pressing block 22 is cylindrically disposed and is coaxial with the second stepped hole 213, an arc matched with the valve ball 23 is disposed on one side of the pressing block 22 close to the valve ball 23, so that the valve ball 23 keeps stable moving in the third stepped hole 214, meanwhile, a through third hole 221 is disposed in the pressing block 22, the third hole 221 is coaxially disposed with the pressing block 22 for fluid to pass through, and the third hole 221 is not blocked when the valve ball 23 is stuck with the arc;
when the pressure measuring body 11 is installed inside the joint body 21, the pressing block 22 has only a small moving space and cannot escape from the second step hole 213, i.e., the pressing block 22 can only move between the pressure measuring body 11 and the bottom of the second step hole 213;
in the initial state, under the action of the second spring 24, the valve ball 23 is far away from the fourth stepped hole 215, and even if one side of the pressing block 22, which is close to the valve ball 23, reaches the bottom of the second stepped hole 213, the valve ball 23 does not cling to the fourth stepped hole 215 and seals the fourth stepped hole 215;
when pressure is applied to the valve ball 23 from the direction of the third hole 221, the valve ball 23 will move towards the fourth stepped hole 215 and block the fourth stepped hole 215, and fluid cannot flow from the third hole 221 to the second hole 216 at this time, and when pressure is applied to the valve ball 23 from the direction of the second hole 216, the valve ball 23 will move further away from the fourth stepped hole 215 until the pressing block 22 is pushed against the pressure measuring body 11, because a gap exists between the valve ball 23 and the third stepped hole 214, and fluid can flow from the second hole 216 to the third hole 221 at this time, thereby realizing unidirectional transmission of fluid;
as shown in fig. 3 to 4, a first hole 111 is provided in the pressure measuring body 11 at a side close to the joint body 21, the first hole 111 is coaxially provided with a third hole 221, and the diameter of the first hole 111 is larger than that of the third hole 221;
the pressure measuring device comprises a pressure measuring main body 11, a connector 12, a second one-way conduction assembly, a first spring 13, a spring plunger 14 and a second one-way conduction assembly, wherein the connector 12 is connected to one end of the pressure measuring main body 11 far away from the connector main body 21 in a threaded manner, the second one-way conduction assembly comprises a first cavity 121 positioned at one end inside the connector main body 21, the first cavity 121 is communicated with a first hole 111, the bottom of the first cavity 121 is fixedly provided with the first spring 13, one end, far away from the bottom of the first cavity 121, of the first spring 13 is provided with the spring plunger 14, and the spring plunger 14 is sleeved inside the first spring 13;
a through hole is formed in the spring plunger 14, a sealing block 16 is clamped in the through hole, and a first sealing body 15 is arranged on the contact surface of the spring plunger 14 and the sealing block 16, and the first sealing body 15 plays a role in sealing;
a second cavity 122 penetrating the first cavity 121 is arranged on the connecting body 12, the second cavity 122 is positioned at one side of the first cavity 121 far away from the first hole 111, a first inclined plane is arranged at the joint of the first cavity 121 and the second cavity 122, the first inclined plane is gradually reduced in section along the direction from the first cavity 121 to the second cavity 122, and a second inclined plane matched with the first inclined plane is arranged on the sealing block 16;
in the initial state, under the action of the first spring 13, the spring plunger 14 is used for propping against the sealing block 16, so that the first inclined plane and the second inclined plane are attached, fluid cannot pass through in the direction from the first cavity 121 to the second cavity 122, when pressure is applied to the sealing block 16 in the direction from the second cavity 122, the sealing block 16 can move, the first inclined plane and the second inclined plane are dislocated, and therefore, fluid can flow into the first cavity 121 from the second cavity 122, and because the initial state is a sealed state, a certain pressure is required to be applied to enable the second cavity 122 to be conducted with the first cavity 121, so that unidirectional transmission of preset pressure is formed;
as shown in fig. 1 to 4, an interface penetrating the second cavity 122 is provided on the connection body 12, a dust cap assembly 4 is installed in the interface, and a second sealing body 17 is installed between the dust cap assembly 4 and the installation hole, the dust cap assembly 4 is used for preventing impurities from entering the connection body 12, and at the same time, a housing 3 is installed on the outer side of the pressure measuring main body 11 in a threaded manner, and the housing 3 completely wraps the connection body 12 for protecting the connection body 12.
Working principle:
when the exhaust valve is used, the exhaust valve is firstly arranged at the exhaust port of the hydraulic system through the joint thread 211, and the exhaust port of the hydraulic system is in a closed state;
when pressure measurement is needed, the dustproof cap assembly 4 is removed, the measuring joint with the thimble is inserted into the connecting body 12, and certain pressure is applied to the sealing block 16, so that the first inclined plane and the second inclined plane are misplaced;
at this time, the exhaust hole is opened, the air flow in the hydraulic system is contacted with the measuring joint through the valve ball 23, the third hole 221, the first hole 111, the first cavity 121 and the second cavity 122, and the pressure of the air flow is collected through the measuring joint;
when the air is exhausted, the measuring joint with the ejector pin is changed into the air hose with the ejector pin, so that the air flow is led out.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a take discharge valve of pressure measurement function, is applied to hydraulic system's exhaust and pressure measurement, and this hydraulic system has gas vent, its characterized in that: the exhaust valve includes:
a joint end (2) connected with the exhaust port for guiding air flow, wherein a first unidirectional conduction component is arranged in the joint end (2), the first unidirectional conduction component is in bidirectional conduction in a free state, when the air flow flows in from the exhaust port end, the first unidirectional conduction component is conducted, and when the air flow flows in the opposite direction, the first unidirectional conduction component is closed;
the pressure measuring end (1) is connected with one end, far away from the exhaust port, of the joint end (2), a second one-way conduction assembly is arranged in the pressure measuring end (1), the second one-way conduction assembly is in a two-way sealing mode in a free state, when air flows in from the exhaust port end, the second one-way conduction assembly is sealed, and when the air flows in the opposite direction, the second one-way conduction assembly is conducted;
the interface is arranged on one side of the pressure measuring end (1) away from the joint end (2), and is communicated with the second unidirectional conduction assembly;
wherein: the first unidirectional conduction assembly is communicated with the second unidirectional conduction assembly, and the interface is used for being connected with a measuring joint with a thimble or a hose with the thimble so as to be convenient for pressure measurement or exhaust of the hydraulic system.
2. The exhaust valve with pressure measurement function according to claim 1, wherein: the first unidirectional conduction assembly comprises a fourth step hole (215), a third step hole (214) and a second step hole (213) which are coaxially arranged in sequence along the direction of gas discharge in the hydraulic system;
install second spring (24) in fourth step hole (215), second spring (24) keep away from be close to one end of third step hole (214) is installed valve ball (23), valve ball (23) set up in third step hole (214), the diameter of valve ball (23) is greater than the diameter of third step hole (214).
3. An exhaust valve with pressure measurement function according to claim 2, wherein: the inside slip of second step hole (213) is provided with briquetting (22), the one side that briquetting (22) are close to valve ball (23) is provided with the circular arc of valve ball (23) matching, the inside of briquetting (22) is provided with third hole (221) that link up.
4. The exhaust valve with pressure measurement function according to claim 1, wherein: the connector comprises a connector body (21) arranged at one end of the connector end (2) far away from the exhaust port, a pressure measuring main body (11) arranged at one end of the pressure measuring end (1) close to the connector body (21), and a connecting body (12) in threaded connection with one end of the pressure measuring main body (11) far away from the connector main body (21);
the second unidirectional conduction assembly comprises a first cavity (121) positioned at one end inside the joint main body (21), a first spring (13) is installed at the bottom of the first cavity (121), a spring plunger (14) is arranged at one end, far away from the bottom of the first cavity (121), of the first spring (13), the spring plunger (14) is sleeved inside the first spring (13), a through hole is formed in the spring plunger (14), and a sealing block (16) is clamped in the through hole;
be provided with on the connector (12) with second chamber (122) that first chamber (121) link up, first chamber (121) with the junction in second chamber (122) is provided with first inclined plane, first inclined plane sets up along first chamber (121) extremely the direction in second chamber (122), the cross-section reduces gradually, be provided with on sealing block (16) with first inclined plane assorted second inclined plane.
5. The exhaust valve with pressure measurement function according to claim 4, wherein: a first sealing body (15) is arranged on the contact surface of the spring plunger (14) and the sealing block (16).
6. The exhaust valve with pressure measurement function according to claim 1, wherein: a dustproof cap assembly (4) is arranged in the interface.
7. The exhaust valve with pressure measurement function according to claim 4, wherein: the shell (3) is arranged on the outer side of the pressure measuring main body (11) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223515088.XU CN218992036U (en) | 2022-12-28 | 2022-12-28 | Exhaust valve with pressure measuring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223515088.XU CN218992036U (en) | 2022-12-28 | 2022-12-28 | Exhaust valve with pressure measuring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218992036U true CN218992036U (en) | 2023-05-09 |
Family
ID=86196669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223515088.XU Active CN218992036U (en) | 2022-12-28 | 2022-12-28 | Exhaust valve with pressure measuring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218992036U (en) |
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2022
- 2022-12-28 CN CN202223515088.XU patent/CN218992036U/en active Active
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