CN210034560U - Pressure reducing module of gas circuit system - Google Patents
Pressure reducing module of gas circuit system Download PDFInfo
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- CN210034560U CN210034560U CN201920578950.0U CN201920578950U CN210034560U CN 210034560 U CN210034560 U CN 210034560U CN 201920578950 U CN201920578950 U CN 201920578950U CN 210034560 U CN210034560 U CN 210034560U
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- valve
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- shell
- adjusting nut
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Abstract
The utility model relates to a gas circuit system pressure reducing module, which comprises a primary shell and a secondary shell, wherein the primary shell is arranged above the secondary shell; the upper end of the first-stage spring is connected with the first-stage adjusting nut, and the lower end of the first-stage spring is connected with the first-stage valve assembly; one side of the primary shell is provided with an air inlet nozzle; a secondary pressure reducing auxiliary spring, a secondary valve, an ejector pin and a secondary main spring are sequentially arranged in the secondary shell from top to bottom, the bottom end of the secondary pressure reducing auxiliary spring is connected with the top end of the secondary valve, the bottom end of the secondary valve is connected with the top end of the ejector pin, one end of the secondary main spring is connected below the ejector pin, and the other end of the secondary main spring is connected with a secondary adjusting nut; the utility model discloses save installation space and reduce system weight, reduce and connect sealed link.
Description
Technical Field
The utility model relates to a gas circuit system decompression module belongs to valve class field.
Background
The pressure reducer, the check valve, the relief valve is in various pneumatic system wide application, because stable decompression behind the assurance system output high pressure, the sealed and bypass pressure release protection behind the overpressure of assurance backward low pressure again, this is bigger just resulting in the whole installation space of system, and because elastomer space and required weight are retrencied more and more, for saving system space, reduce weight, improve the rate of utilization of air supply, the decompression module that the design function integrates is for must tendency, has wide market prospect.
Disclosure of Invention
The utility model discloses to the problem that exists among the above-mentioned prior art, provide a gas circuit system decompression module, solved the big problem in system installation space among the prior art.
The utility model discloses a technical solution:
a pressure reducing module of a gas circuit system comprises a primary shell and a secondary shell, wherein the primary shell is arranged above the secondary shell;
the device comprises a primary shell, a primary valve assembly, a primary spring, a primary adjusting nut, a primary valve assembly and a secondary valve assembly, wherein the primary shell is internally provided with the primary adjusting nut, the primary spring and the primary valve assembly in sequence from top to bottom; one side of the primary shell is provided with an air inlet nozzle;
a secondary pressure reducing auxiliary spring, a secondary valve, an ejector pin and a secondary main spring are sequentially arranged in the secondary shell from top to bottom, the bottom end of the secondary pressure reducing auxiliary spring is connected with the top end of the secondary valve, the bottom end of the secondary valve is connected with the top end of the ejector pin, one end of the secondary main spring is connected below the ejector pin, and the other end of the secondary main spring is connected with a secondary adjusting nut; the secondary decompression auxiliary spring, the secondary valve, the thimble and the secondary main spring form a reverse non-unloading secondary decompression structure.
And the first-stage valve assembly and the first-stage shell are in clearance fit.
One side of the secondary shell is embedded with a one-way valve, the one-way valve is connected with the nozzle of the air outlet, a one-way valve component of the one-way valve is of a streamline structure, and the one-way valve component is connected with a one-way valve spring; the other side of the secondary shell is embedded with a safety valve, a safety valve core is connected with a safety valve spring and an adjusting nut, and the port of the safety valve is a safety valve outlet nozzle.
The valve of the one-way valve is filled with glue along the circumferential direction, and the glue filling surface and the valve body of the one-way valve form a linear sealing structure under the action of the pre-tightening force of the spring of the one-way valve.
Compared with the prior art, the invention has the beneficial effects that:
1. the pressure reduction and stabilization are realized by utilizing an internal spring and closed loop feedback of the pressure reduction and stabilization device, the product can be opened under small pressure in the forward direction by utilizing air pressure, the reverse direction has spring force to ensure the reverse zero leakage requirement, and the pressure reduction and stabilization device has a bypass pressure relief function and has higher stability under the vibration or impact environment; the installation space is saved, the system weight is reduced, and the connection sealing links are reduced.
2. Inlet pressure achieving range: 40MPa to 0.2 MPa. Outlet pressure and flow range: 0.11-0.15 MPa (absolute pressure, normal temperature flow is 0.1-3L/s), when the pressure difference between the outlet and the environment is 0.18MPa +/-0.02 MPa, the pressure of the bypass is relieved, the flow is not less than 0.3L/s, and when the pressure reduction module does not work, the outlet is absolutely sealed outwards.
3. The one-level shell, the one-level valve assembly and the one-level spring form a module one-level pressure reducing structure, the one-level valve assembly and the one-level shell are ground in a matched mode, the matching precision and the movement flexibility of the one-level valve assembly are guaranteed, the one-level pressure reducing structure belongs to a forward unloading mode, dynamic balance is formed under the action of force by the aid of a movable structure formed by the one-level valve assembly and the one-level spring in work, and smaller pressure is provided for a second-level pressure reducing.
4. The secondary shell, spare parts such as secondary decompression auxiliary spring, secondary valve, thimble, secondary main spring constitute module secondary decompression structure, and this structure is reverse no off-load formula decompression structure, and in operation, one-level output pressure flows into secondary auxiliary spring chamber, forms the dynamic balance of power with the second grade moving part, has better decompression steady voltage effect to the less inlet pressure of pressure variation, forms stable outlet pressure.
5. The check valve assembly is of a streamline structure, glue is filled, flow resistance is reduced, reverse tightness is improved, and in work, when stable pressure after pressure reduction flows through the check valve assembly, a valve is opened, and reverse low-pressure zero leakage can be formed.
6. The safety valve is embedded in the secondary shell, and when the pressure is reduced abnormally and the pressure is overlarge in work, the safety valve is opened under stress to form overpressure protection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with specific embodiments.
Examples
A pressure reducing module of a gas circuit system comprises a primary shell 9 and a secondary shell 6, wherein the primary shell is arranged above the secondary shell;
a primary adjusting nut 10, a primary spring 11 and a primary valve component 12 are sequentially arranged in the primary shell from top to bottom, the upper end of the primary spring 11 is connected with the primary adjusting nut 10, the lower end of the primary spring is connected with the primary valve component 12, and the primary shell 9, the primary valve component 12 and the primary spring 11 form a positive unloading primary pressure reducing structure; one side of the primary shell is provided with an air inlet nozzle 1;
a secondary decompression auxiliary spring 14, a secondary valve 16, an ejector pin 17 and a secondary main spring 18 are sequentially arranged in the secondary shell 6 from top to bottom, the bottom end of the secondary decompression auxiliary spring 14 is connected with the top end of the secondary valve 16, the bottom end of the secondary valve is connected with the top end of the ejector pin, one end of the secondary main spring is connected below the ejector pin, and the other end of the secondary main spring is connected with a secondary adjusting nut 5; the secondary decompression auxiliary spring 14, the secondary valve 16, the thimble 17 and the secondary main spring 18 form a reverse non-unloading secondary decompression structure.
The first-stage valve assembly 12 and the first-stage shell are in movable fit, and the inner cavity of the first-stage shell is in clearance fit with the outer diameter of the first-stage valve assembly 12, so that the flexibility of movement between structures is guaranteed.
One side of the secondary shell is embedded with a one-way valve, the one-way valve is connected with an air outlet nozzle 8, a one-way valve component 7 of the one-way valve is of a streamline structure, and the one-way valve component is connected with a one-way valve spring 13; the other side of the secondary shell is inlaid with a safety valve, the safety valve core 2 is connected with a safety valve spring 15 and an adjusting nut 4, and the port of the safety valve is a safety valve air outlet nozzle 3.
The valve of the one-way valve is filled with glue along the circumferential direction, and the glue filling surface and the valve body of the one-way valve form a linear sealing structure under the action of the pre-tightening force of the spring of the one-way valve.
At a given inlet pressure P1When the valve is opened, the first-stage outlet pressure P is adjusted by adjusting the first-stage adjusting nut 10 to compress the first-stage spring below the first-stage adjusting nut 10, the force of the first-stage spring acts on the first-stage valve and interacts with the inlet pressure to open the first-stage valve to a certain height, and a dynamic force balance state is achieved, so that the first-stage outlet pressure P is adjusted to be throttled12The pressure as a secondary inlet pressure flows into a secondary shell, is reversely reduced through a secondary, outputs stable outlet pressure by adjusting a secondary adjusting nut 5, flows through the one-way valve through one way of the inner cavity of the secondary shell, flows through the safety valve through the other way of the inner cavity of the secondary shell, provides stable output pressure for the system through the air outlet nozzle 8 because the forward flow resistance of the one-way valve is small, and overcomes the spring force of the safety valve to work when the outlet pressure is abnormally increased due to the abnormal work of a pressure reduction module, thereby playing a role in pressure release protection.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation; the utility model discloses a concrete embodiment and the technical principle who utilizes, any basis the utility model discloses equivalent transform on the technical scheme basis all belongs to within the scope of protection of the utility model.
The invention has not been described in detail and is in part known to those of skill in the art.
Claims (4)
1. A pressure reduction module of a gas path system is characterized by comprising a primary shell (9) and a secondary shell (6), wherein the primary shell (9) is arranged above the secondary shell (6);
a primary adjusting nut (10), a primary spring (11) and a primary valve assembly (12) are sequentially arranged in the primary shell from top to bottom, the upper end of the primary spring is connected with the primary adjusting nut, the lower end of the primary spring is connected with the primary valve assembly, and the primary shell (9), the primary valve assembly (12) and the primary spring (11) form a positive unloading type primary pressure reducing structure; one side of the primary shell is provided with an air inlet nozzle;
a secondary decompression auxiliary spring (14), a secondary valve (16), an ejector pin (17) and a secondary main spring (18) are sequentially arranged in the secondary shell (6) from top to bottom, the bottom end of the secondary decompression auxiliary spring (14) is connected with the top end of the secondary valve (16), the bottom end of the secondary valve is connected with the top end of the ejector pin, the lower part of the ejector pin is connected with one end of the secondary main spring, and the other end of the secondary main spring is connected with a secondary adjusting nut; the secondary decompression auxiliary spring (14), the secondary valve (16), the thimble (17) and the secondary main spring (18) form a reverse non-unloading secondary decompression structure.
2. The pressure reducing module of the air path system as claimed in claim 1, wherein the primary valve assembly (12) is in clearance fit with the primary housing.
3. The air path system pressure reduction module according to claim 1, wherein a check valve is embedded at one side of the secondary shell and connected with the air outlet nozzle (8), a check valve assembly (7) of the check valve is of a streamline structure and is connected with a check valve spring (13); the other side of the secondary shell is inlaid with a safety valve, the safety valve core 2 is connected with a safety valve spring 15 and an adjusting nut 4, and the port of the safety valve is a safety valve outlet nozzle (3).
4. The air path system pressure reduction module according to claim 3, wherein the valve of the check valve is filled with glue along the circumferential direction, and the glue filling surface and the check valve body form a linear sealing structure under the action of the pre-tightening force of the check valve spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578950.0U CN210034560U (en) | 2019-04-26 | 2019-04-26 | Pressure reducing module of gas circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578950.0U CN210034560U (en) | 2019-04-26 | 2019-04-26 | Pressure reducing module of gas circuit system |
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| Publication Number | Publication Date |
|---|---|
| CN210034560U true CN210034560U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920578950.0U Active CN210034560U (en) | 2019-04-26 | 2019-04-26 | Pressure reducing module of gas circuit system |
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| CN (1) | CN210034560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685593A (en) * | 2021-08-20 | 2021-11-23 | 沈阳航天新光集团有限公司 | Gas explosion type pressure reducing module |
| CN115899341A (en) * | 2023-02-27 | 2023-04-04 | 新乡市华航航空液压设备有限公司 | Novel take automatic function of breathing in absolute pressure relief pressure valve |
-
2019
- 2019-04-26 CN CN201920578950.0U patent/CN210034560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685593A (en) * | 2021-08-20 | 2021-11-23 | 沈阳航天新光集团有限公司 | Gas explosion type pressure reducing module |
| CN115899341A (en) * | 2023-02-27 | 2023-04-04 | 新乡市华航航空液压设备有限公司 | Novel take automatic function of breathing in absolute pressure relief pressure valve |
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