Gas filling control structure

By improving the sealing components of the gas filling control structure, and adopting a threaded connection and elastic sealing ring design, the gas leakage problem was solved, and the sealing performance and safety were improved, ensuring production stability and environmental protection.

CN223663138UActive Publication Date: 2025-12-12GANSU ANYUAN SPECIAL GAS CO LTD
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Patent Information

Application Number
CN202520417732.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2025-12-12
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing gas filling control structures often use simple rubber gaskets or single-layer sealing structures for their filling joints, which cannot form a durable and effective sealing barrier, leading to frequent gas leaks.

Method used

The system employs a combined design of control valves and sealing components, including a threaded inflation tube, an elastic sealing ring, and a sealing gasket. The sealing ring is moved by a threaded rod, and combined with a PTFE sealing gasket, the sealing performance is enhanced to prevent gas leakage.

Benefits of technology

It effectively prevents gas leaks, improves work efficiency, reduces resource waste and safety hazards, creates a safe working environment, and meets environmental protection requirements.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223663138U_ABST
Patent Text Reader

Abstract

The utility model discloses a gas filling control structure, and relates to the technical field of limestone processing equipment. The device comprises a control valve, the top of the control valve is communicated with a connecting seat, and the top of the connecting seat is communicated with an air inlet pipe. The gas filling pipe is in threaded connection with the connecting pipe, the threaded rod is rotated, the threaded rod drives the second fixing base to move, the second fixing base drives the elastic sealing ring to move, and after the elastic sealing ring makes contact with the sealing gasket, the sealing performance of the connecting position of the gas filling pipe and the connecting pipe can be guaranteed, and the preparation time before filling is greatly shortened; the working efficiency is improved, the influence on the production progress caused by too long connecting operation time is reduced, the situation that the connector is loosened due to equipment vibration and pressure fluctuation in the filling process is effectively prevented, the elastic sealing ring can be further extruded, the sealing performance is enhanced, and it is ensured that the whole filling process is continuous and stable; and the problems of pressure unbalance and product quality caused by loosening of the joint are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of limestone processing equipment, and particularly relates to a gas filling control structure. BACKGROUND

[0002] In the limestone processing industry, the gas filling link is an important guarantee for product quality and production efficiency. Limestone processing technology is diverse, from basic crushing and grinding to complex high-temperature calcination and chemical purification, and all of them cannot be separated from the participation of specific gas. For example, in the high-temperature calcination process, the filling of inert gas such as argon can effectively create an oxygen-free environment to prevent impurities in limestone from being oxidized, thereby ensuring the purity and activity of lime products. In some wet processing processes, precise filling of specific reaction gas is the key to controlling the chemical reaction process and improving product yield. A Chinese patent application with publication number CN215674755U discloses a gas filling control device, which is small in structure, convenient to operate, and easy to repair and maintain.

[0003] The filling joint of the gas filling control structure as the core component connecting the filling equipment and the processing device has always been unsatisfactory in sealing performance. The traditional joint mostly adopts a simple rubber gasket or single-layer sealing structure. In the face of high-pressure, high-corrosive gas and complex working conditions, the gasket is prone to aging and deformation, and cannot form a durable and effective sealing barrier, resulting in frequent gas leakage.

[0004] Therefore, we provide a gas filling control structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gas filling control structure, which solves the problem of frequent gas leakage caused by the simple rubber gasket or single-layer sealing structure of the filling joint of the gas filling control structure in the prior art through the cooperation of the control valve and the sealing assembly.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions.

[0007] The utility model discloses a kind of gas filling control structures, including control valve, the top of control valve is connected with connecting seat, the top of connecting seat is connected with inlet pipe, the side of control valve is fixedly connected with flange, the side of flange is connected with connecting pipe, the side of connecting pipe is connected with sealing assembly, the sealing assembly includes first fixed seat, the surface of connecting pipe is sleeved with first fixed seat, the side of connecting pipe is threadedly connected with inflation pipe, the both sides of the surface of first fixed seat are provided with threaded rod, the surface of inflation pipe is sleeved with second fixed seat, the side of second fixed seat is fixedly connected with elastic sealing ring, the side of elastic sealing ring is in contact with first fixed seat, the side of threaded rod is penetrated through the side of second fixed seat and extends to the other side of second fixed seat, the surface of threaded rod is sleeved with spring, control valve is the main structure of the gas filling control device, play the role of controlling gas flow, the top inlet pipe is used to connect external gas supply equipment, and gas is transported through connecting pipe, ensure the stability in gas filling process, first fixed seat is fixed on the surface of inflation pipe, second fixed seat is sleeved on the surface of inflation pipe, can be moved on the surface of inflation pipe, under the action of threaded rod, second fixed seat can drive elastic sealing ring to move, extrude elastic sealing ring, ensure the sealing property of inflation pipe and connecting pipe junction.

[0008] The utility model further sets up, the surface of control valve is fixedly connected with pressure gauge, the surface of pressure gauge is provided with transparent cover, and pressure gauge is used for real-time monitoring the pressure data of control valve inside gas, and simultaneously transparent cover can protect pressure gauge, and it is convenient for staff to check.

[0009] The utility model further sets up, the side of control valve is threadedly connected with valve body, the side of valve body extends to the inner chamber of control valve, and the side of valve body is rotated through hand wheel, can be used to control the flow of gas and close control valve.

[0010] The utility model further sets up, the surface of inlet pipe is threadedly connected with fastener, and the inlet pipe is communicated with external gas supply equipment through fastener, the top of inlet pipe is connected with external gas supply equipment through fastener, can install inlet pipe quickly and conveniently, ensure the stability of the gas filling control structure.

[0011] The utility model further sets up, the side of first fixed seat and located the surface of threaded rod are threadedly connected with first bolt, the side of second fixed seat and located the surface of threaded rod are threadedly connected with second bolt, and the cooperation of first bolt and second bolt is convenient for the fixation of threaded rod, and is used for driving threaded rod to rotate, reaches the purpose of adjusting second fixed seat installation position.

[0012] The utility model further sets up, one side of first fixed seat is fixedly connected with sealing gasket, the surface of the inflation pipe is equipped with in one side of sealing gasket, sealing gasket sets up in one side of first fixed seat, can cooperate with the use of elastic sealing ring, when sealing gasket and elastic sealing ring contact, can guarantee the sealing property of its junction, adopts polytetrafluoroethylene material, by its extremely low friction coefficient, can closely adhere to the slight concave and convex place of interface, first blocks gas escape.

[0013] The utility model further sets up, the elastic sealing ring adopts rubber material, is internally provided with elastic steel ring, the high elasticity and flexibility of elastic sealing ring, further fills the gap, greatly strengthens the sealing effect, and the elastic steel ring provides rigid support, prevents the deformation of sealing assembly under high pressure environment, ensures that under all kinds of severe working conditions, can effectively prevent gas leakage, guarantees the safety and stability of filling process, greatly reduces the resource waste and security risk due to leakage.

[0014] The utility model has the following beneficial effects.

[0015] 1, the utility model discloses a threaded connection between inflation pipe and connecting pipe, rotates the threaded rod, and the threaded rod drives the second fixed seat to move, and the second fixed seat drives the elastic sealing ring to move, and after the elastic sealing ring contacts the sealing gasket, the sealing property of the connecting place of inflation pipe and connecting pipe can be guaranteed, the preparation time before filling is greatly shortened, the work efficiency is improved, and the influence of the time-consuming operation of connection on production progress is reduced, not only effectively prevent the joint from loosening due to equipment vibration and pressure fluctuation during filling, but also further extrude the elastic sealing ring, strengthen the sealing performance, ensure the continuous stability of the whole filling process, avoid the pressure imbalance and product quality problem caused by the loosening of joint.

[0016] 2, the utility model discloses a unique design sealing assembly, has excellent sealing performance, reduces gas leakage from the source, reduces the pollution risk to the environment, meets the increasingly strict environmental protection requirement, simultaneously, effectively avoids the safety accident caused by the leakage of flammable, explosive, toxic and harmful gas, creates the safe working environment for operating personnel, guarantees the sustainable development of enterprise. ACCURACY OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing to do simple introduction.

[0018] Figure 1 It is a kind of gas filling control structure perspective view.

[0019] Figure 2 It is a kind of gas filling control structure side view perspective drawing.

[0020] Figure 3It is a perspective view of a sealing assembly in a gas filling control structure.

[0021] Figure 4 It is a perspective view of a filling pipe and its connecting structure in a gas filling control structure.

[0022] Figure 5 It is a perspective view of a connecting pipe and its connecting structure in a gas filling control structure.

[0023] In the drawings: 1, control valve; 2, connecting seat; 3, air inlet pipe; 4, flange plate; 5, connecting pipe; 6, sealing assembly; 601, first fixed seat; 602, filling pipe; 603, threaded rod; 604, second fixed seat; 605, elastic sealing ring; 606, spring; 7, pressure gauge; 8, transparent cover; 9, valve body; 10, fastener; 11, first bolt; 12, second bolt; 13, sealing gasket. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0025] Embodiment one

[0026] Please refer to Figures 1-5 The utility model discloses a kind of gas filling control structures, including control valve 1, the top of control valve 1 is communicated with connecting seat 2, the top of connecting seat 2 is communicated with air inlet pipe 3, one side of control valve 1 is fixedly connected with flange plate 4, one side of flange plate 4 is communicated with connecting pipe 5, one side of connecting pipe 5 is communicated with sealing assembly 6, sealing assembly 6 includes first fixed seat 601, first fixed seat 601 is sleeved on the surface of connecting pipe 5, one side of connecting pipe 5 is threadedly connected with filling pipe 602, the surface of first fixed seat 601 is provided with threaded rod 603 on both sides, the surface of filling pipe 602 is sleeved with second fixed seat 604, one side of second fixed seat 604 is fixedly connected with elastic sealing ring 605, one side of elastic sealing ring 605 is in contact with first fixed seat 601, one side of threaded rod 603 is penetrated through one side of second fixed seat 604 and extends to the other side of second fixed seat 604, the surface of threaded rod 603 is sleeved with spring 606.

[0027] Specifically, the control valve 1 serves as the main structure of the gas filling control device and controls the gas flow, the gas inlet pipe 3 at the top of the control valve 1 is used to connect with the external gas supply device and deliver the gas through the connecting pipe 5, thereby ensuring the stability during the gas filling process, the first fixing seat 601 is fixed on the surface of the gas filling pipe 602, the second fixing seat 604 is sleeved on the surface of the gas filling pipe 602 and can move on the surface of the gas filling pipe 602, under the action of the threaded rod 603, the second fixing seat 604 can drive the elastic sealing ring 605 to move and extrude the elastic sealing ring 605, thereby ensuring the sealing performance of the connecting position between the gas filling pipe 602 and the connecting pipe 5.

[0028] Example two

[0029] Please refer to Figures 1-5 On the basis of example one, the surface of the control valve 1 is fixedly connected with the pressure gauge 7, the surface of the pressure gauge 7 is provided with the transparent cover 8, one side of the control valve 1 is threadedly connected with the valve body 9, one side of the valve body 9 extends to the inner cavity of the control valve 1, the surface of the gas inlet pipe 3 is threadedly connected with the fastener 10, the gas inlet pipe 3 is communicated with the external gas supply device through the fastener 10, one side of the first fixing seat 601 and located on the surface of the threaded rod 603 is threadedly connected with the first bolt 11, one side of the second fixing seat 604 and located on the surface of the threaded rod 603 is threadedly connected with the second bolt 12, one side of the first fixing seat 601 is fixedly connected with the sealing gasket 13, one side of the sealing gasket 13 is sleeved on the surface of the gas filling pipe 602, the elastic sealing ring 605 is made of rubber material and internally provided with the elastic steel ring.

[0030] Specifically: the pressure gauge 7 is used for monitoring the pressure data of the gas in the control valve 1 in real time, and the transparent cover 8 can protect the pressure gauge 7 and facilitate the staff to view, one side of the valve body 9 is rotated through the hand wheel, which can be used to control the flow of the gas and close the control valve 1, the top of the inlet pipe 3 is connected with the external gas supply equipment through the fastener 10, which can quickly and conveniently install the inlet pipe 3, ensure the stability of the gas filling control structure, the cooperation of the first bolt 11 and the second bolt 12 facilitates the fixation of the threaded rod 603 and drives the threaded rod 603 to rotate, achieves the purpose of adjusting the installation position of the second fixed seat 604, the sealing gasket 13 is arranged on one side of the first fixed seat 601 and can be used in cooperation with the elastic sealing ring 605, the sealing gasket 13 and the elastic sealing ring 605 can ensure the sealing of the connection, the polytetrafluoroethylene material is adopted, the low friction coefficient can tightly fit the fine concave-convex part of the interface, and the elastic sealing ring 605 is first blocked to prevent gas from escaping, the high elasticity and flexibility of the elastic sealing ring 605 further fill the gap, and the sealing effect is greatly enhanced, and the elastic steel ring provides rigid support to prevent the sealing assembly 6 from deforming in a high-pressure environment, ensure that the gas leakage can be effectively prevented in various harsh working conditions, and the safety and stability of the filling process are ensured, and the resource waste and safety hazards caused by leakage are greatly reduced.

[0031] The working principle of the utility model is as follows: the inlet pipe 3 is connected with the external gas supply equipment through the fastener 10, the inflation pipe 602 is screwed with the connecting pipe 5, the threaded rod 603 is rotated, the second fixed seat 604 is driven to move, the second fixed seat 604 drives the elastic sealing ring 605 to move, after the elastic sealing ring 605 contacts the sealing gasket 13, the sealing of the connection between the inflation pipe 602 and the connecting pipe 5 can be ensured, the preparation time before filling is greatly shortened, the working efficiency is improved, and the control valve 1 can be opened to achieve the purpose of inflation after the valve body 9 is rotated.

[0032] The preferred embodiments of the utility model disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the embodiments are selected and described in the specification, in order to better explain the principle and practical application of the utility model, so that the technical personnel in the technical field can well understand and utilize the utility model.

Claims

1. A gas filling control structure comprising a control valve (1), characterized by: The top of the control valve (1) is communicated with a connecting seat (2), the top of the connecting seat (2) is communicated with an air inlet pipe (3), one side of the control valve (1) is fixedly connected with a flange plate (4), one side of the flange plate (4) is communicated with a connecting pipe (5), one side of the connecting pipe (5) is communicated with a sealing assembly (6). The sealing assembly (6) comprises a first fixing seat (601), the first fixing seat (601) is sleeved on the surface of the connecting pipe (5), one side of the connecting pipe (5) is threadedly connected with an inflation pipe (602), both sides of the surface of the first fixing seat (601) are provided with threaded rods (603), the surface of the inflation pipe (602) is sleeved with a second fixing seat (604), one side of the second fixing seat (604) is fixedly connected with an elastic sealing ring (605), one side of the elastic sealing ring (605) is in contact with the first fixing seat (601), one side of the threaded rod (603) penetrates through one side of the second fixing seat (604) and extends to the other side of the second fixing seat (604), the surface of the threaded rod (603) is sleeved with a spring (606).

2. A gas filling control structure according to claim 1, characterized in that: The surface of the control valve (1) is fixedly connected with a pressure gauge (7), the surface of the pressure gauge (7) is provided with a transparent cover (8).

3. A gas filling control structure according to claim 1, characterized in that: One side of the control valve (1) is threadedly connected with a valve body (9), one side of the valve body (9) extends to the inner cavity of the control valve (1).

4. A gas filling control structure according to claim 1, characterized in that: The surface of the air inlet pipe (3) is threadedly connected with a fastener (10), the air inlet pipe (3) is communicated with the external gas supply equipment through the fastener (10).

5. A gas filling control structure according to claim 1, characterized in that: One side of the first fixing seat (601) and the surface of the threaded rod (603) are threadedly connected with a first bolt (11), one side of the second fixing seat (604) and the surface of the threaded rod (603) are threadedly connected with a second bolt (12).

6. A gas filling control structure according to claim 1, characterized in that: One side of the first fixing seat (601) is fixedly connected with a sealing gasket (13), one side of the sealing gasket (13) is sleeved on the surface of the inflation pipe (602).

7. A gas filling control structure according to claim 1, characterized in that: The elastic sealing ring (605) is made of rubber material and internally provided with an elastic steel ring.

Citation Information

Patent Citations

  • Gas filling control device

    CN215674755U