Ultrahigh pressure pneumatic valve

By combining an internally threaded piston, an externally threaded piston, a flow chamber, and a push rod washer, the problems of low efficiency and easy damage in existing pneumatic valves are solved, enabling rapid movement of the valve core and improving stability, thus extending the service life of the pneumatic valve.

CN223690476UActive Publication Date: 2025-12-19YANGZHOU HUABAO PETROLEUM INSTR CO LTD
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Patent Information

Application Number
CN202423109523.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-19
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing pneumatic valves are inefficient and prone to damage when the valve core is moved by a push rod on one side, resulting in slow speed and short service life.

Method used

The design incorporates an internally threaded piston, an externally threaded piston, a flow chamber, a guide zone, a push rod, and a valve stem washer. High-pressure air drives the push rod to move the valve stem washer within the guide zone, which then enters the mounting groove through the flow chamber, enabling rapid movement of the valve core and improving stability.

Benefits of technology

This improves the movement efficiency and stability of the valve core, and extends the service life of the pneumatic valve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ultrahigh pressure pneumatic valve, which relates to the technical field of pneumatic valves and comprises a pneumatic valve main body, a mounting groove is arranged in the pneumatic valve main body, an internal thread piston is arranged on the inner side wall of the mounting groove close to the top end, and an external thread piston is arranged on the inner side wall of the mounting groove close to the bottom. Circulating cavities are formed in the internal thread piston and the external thread piston, a guiding area is formed between the internal thread piston and the external thread piston, push rods are symmetrically installed on the outer side wall of the pneumatic valve body and correspond to the guiding area, and valve rod gaskets are fixed to the ends, corresponding to the guiding area, of the push rods; compared with an existing pneumatic valve, when the position of the valve element needs to be moved, the valve element can be moved more conveniently and rapidly, the efficiency of moving the valve element is improved, the stability of the valve element is greatly improved, and the service life of the pneumatic valve is effectively prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic valve technical field especially relates to superhigh pressure pneumatic valve. BACKGROUND

[0002] Pneumatic valve is a kind of valve driven by compressed air, it is mainly used to control fluid switch, regulation and distribution, it controls the movement of valve core or valve plate by pneumatic actuator, to realize the opening, closing, regulation and distribution of fluid medium;

[0003] The existing pneumatic valve generally is pushed by the push rod of one side to compress air when working, so that the valve core moves, but only by one side extrusion way efficiency is lower, so that the valve core is slow when moving, and pressure is easy to damage the valve core, therefore, we propose superhigh pressure pneumatic valve. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of superhigh pressure pneumatic valves, including pneumatic valve main body, the inside of pneumatic valve main body is equipped with installation groove, the inner side wall of installation groove is installed with internal thread piston near top, the inner side wall of installation groove is installed with external thread piston near bottom, the inside of internal thread piston and external thread piston is equipped with flow-through cavity, guiding area is formed between internal thread piston and external thread piston, the outer side wall of pneumatic valve main body is installed with push rod corresponding guiding area place symmetrically, and the one end of push rod corresponding guiding area is fixed with valve rod washer.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] Superhigh pressure pneumatic valve, including pneumatic valve main body, the inside of pneumatic valve main body is equipped with installation groove, the inner side wall of installation groove is installed with internal thread piston near top, the inner side wall of installation groove is installed with external thread piston near bottom, the inside of internal thread piston and external thread piston is equipped with flow-through cavity, guiding area is formed between internal thread piston and external thread piston, the outer side wall of pneumatic valve main body is installed with push rod corresponding guiding area place symmetrically, and the one end of push rod corresponding guiding area is fixed with valve rod washer.

[0007] As the preferred scheme of the utility model, the top of pneumatic valve main body is installed with cap body, the top of cap body is installed with several air connection gaskets at equal intervals, and the inside of air connection gasket and installation groove is communicated.

[0008] The technical effect of the above further scheme is that the air inside the installation groove can drive the air connection gasket to move when being extruded by the communication between the air connection gasket and the inside of the installation groove.

[0009] As the preferred scheme of the utility model, the internal thread piston and the external thread piston are made of titanium alloy material.

[0010] The technical effect of the further scheme is that the inner threaded piston and the outer threaded piston are made of titanium alloy material, are stable in structure, have high compression resistance, and have long service life.

[0011] As the preferred scheme of the present application, the flow cavity is in communication with the mounting groove, and the flow cavity is in communication with the guide area.

[0012] The technical effect of the further scheme is that the air in the guide area can enter the inside of the mounting groove through the flow cavity, which is more convenient.

[0013] As the preferred scheme of the present application, the inner threaded piston and the outer threaded piston are made of titanium alloy material, are stable in structure, have high compression resistance, and have long service life.

[0014] The technical effect of the further scheme is that the air in the guide area can enter the inside of the mounting groove through the flow cavity, which is more convenient.

[0015] As the preferred scheme of the present application, the push rod is adapted to the guide area, and the valve rod gasket is adapted to the guide area.

[0016] The technical effect of the further scheme is that the push rod can drive the valve rod gasket to move in the guide area under the drive of the air.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] In the present application, when the valve core needs to be moved during the operation of the super-high-pressure pneumatic valve, the valve core can be moved more conveniently and quickly, the efficiency of moving the valve core is improved, the stability of the valve core is greatly improved, and the service life of the pneumatic valve is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The present application provides a whole structure planar dissection of a super-high-pressure pneumatic valve.

[0020] Fig. 2 The present application provides an enlarged schematic view of the A structure of a super-high-pressure pneumatic valve.

[0021] Legend: 1, pneumatic valve body; 101, cap body; 102, air connection gasket; 2, mounting groove; 201, inner threaded piston; 202, outer threaded piston; 203, flow cavity; 204, sealing ring; 3, guide area; 301, push rod; 302, valve rod gasket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative work fall within the scope of protection of the present application.

[0023] In order to facilitate the understanding of the present application, the present application will be more fully described below with reference to the related description of the present application, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element between them. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element between them. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for the purpose of illustration only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments of the present application, and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Example 1

[0027] As Figs. 1-2As shown, the utility model provides a technical scheme: ultrahigh pressure pneumatic valve, including pneumatic valve main body 1, the inside of pneumatic valve main body 1 is provided with installation groove 2, installation groove 2 is used to install internal thread piston 201 and external thread piston 202, the inboard wall of installation groove 2 is installed with internal thread piston 201 near top end, the inboard wall of installation groove 2 is installed with external thread piston 202 near bottom, the inside of internal thread piston 201 and external thread piston 202 is provided with flow passage 203, the air in guide area 3 can pass through flow passage 203 and enter the inside of installation groove 2, and internal thread piston 201 and external thread piston 202 form guide area 3 between, the inboard wall of pneumatic valve main body 1 is installed with push rod 301 symmetrically at guide area 3, and the one end of push rod 301 is fixed with valve rod washer 302 corresponding to guide area 3, and push rod 301 can drive valve rod washer 302 displacement to compress the air in guide area 3.

[0028] Example 2

[0029] As Figs. 1-2 shown, the top of pneumatic valve main body 1 is installed with cap body 101, and the top of cap body 101 is installed with a plurality of air connection gaskets 102 at equal intervals, and the inside of installation groove 2 is communicated with air connection gasket 102, so that the air in installation groove 2 can drive air connection gasket 102 to move when being extruded.

[0030] Internal thread piston 201 and external thread piston 202 are made of titanium alloy material, and the internal thread piston 201 and external thread piston structure 202 made of titanium alloy material are stable, have high compression resistance and long service life.

[0031] Flow passage 203 is communicated with installation groove 2, and flow passage 203 is communicated with guide area 3, so that the air in guide area 3 can enter the inside of installation groove 2 through flow passage 203, which is more convenient.

[0032] A plurality of sealing rings 204 are symmetrically installed on the inboard wall of internal thread piston 201 and external thread piston 202 corresponding to installation groove 2, and the sealing ring 204 is made of rubber material, so that the sealing effect of the sealing ring 204 made of rubber material is good, and air leakage can be effectively prevented.

[0033] Push rod 301 is adapted to guide area 3, and valve rod washer 302 is adapted to guide area 3, so that push rod 301 can drive valve rod washer 302 to displace in guide area 3 under the drive of air by push rod 301 being adapted to guide area 3 and valve rod washer 302 being adapted to guide area 3.

[0034] The utility model discloses a work flow: when using superhigh pressure pneumatic valve, first staff can make push rod 301 to the inside of guide area 3 displacement through the access high pressure air, and push rod 301 will drive valve rod washer 302 to displace in the inside of guide area 3 together, so that compressed air can pass through the flow-through cavity 203 directly into the inside of mounting groove 2, to make internal thread piston 201 can displace with external thread piston 202, to cut off the original air flow line, compared with the existing pneumatic valve, when needing to move valve core position, can be more convenient, can move valve core faster, improve the efficiency when moving valve core, and greatly improve the stability of valve core, effectively improve the service life of pneumatic valve.

[0035] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Ultra-high pressure pneumatic valve comprising a pneumatic valve body (1), characterized in that: The inside of the pneumatic valve body (1) is provided with a mounting groove (2), an internal thread piston (201) is installed on the inner side wall of the mounting groove (2) near the top end, an external thread piston (202) is installed on the inner side wall of the mounting groove (2) near the bottom, the inside of the internal thread piston (201) and the external thread piston (202) is provided with a flow cavity (203), a guide area (3) is formed between the internal thread piston (201) and the external thread piston (202), push rods (301) are symmetrically installed on the outer side wall of the pneumatic valve body (1) corresponding to the guide area (3), valve rod washers (302) are fixed on one end of the push rods (301) corresponding to the guide area (3).

2. The ultrahigh pressure pneumatic valve according to claim 1, characterized in that: The top end of the pneumatic valve body (1) is provided with a cap body (101), a plurality of air connection gaskets (102) are equidistantly installed on the top end of the cap body (101), the air connection gaskets (102) are communicated with the inside of the mounting groove (2).

3. The ultrahigh pressure pneumatic valve of claim 1, wherein: The internal thread piston (201) and the external thread piston (202) are made of titanium alloy material.

4. The ultrahigh pressure pneumatic valve of claim 1, wherein: The flow cavity (203) is communicated with the mounting groove (2), and the flow cavity (203) is communicated with the guide area (3).

5. The ultrahigh pressure pneumatic valve of claim 1, wherein: A plurality of sealing rings (204) are symmetrically installed on the outer side wall of the internal thread piston (201) and the external thread piston (202) corresponding to the mounting groove (2), and the sealing rings (204) are made of rubber material.

6. The ultrahigh pressure pneumatic valve of claim 1, wherein: The push rod (301) is matched with the guide area (3), and the valve rod washer (302) is matched with the guide area (3).