Gas meter cavity sealing structure

Abstract

The utility model relates to the technical field of gas meters, in particular to a gas meter cavity sealing structure which comprises a first half cavity, a second half cavity, a sealing piece, a fixing bolt and a positioning piece. The first half-side cavity and the second half-side cavity are assembled and combined to form a cavity body (box body) of the gas meter and used for protecting electrical components of the gas meter, the sealing groove is used for clamping the sealing piece, so that the first half-side cavity and the second half-side cavity have air tightness after being combined, and when the first half-side cavity and the second half-side cavity are combined, the sealing piece is not damaged. The first half-side cavity and the second half-side cavity are positioned through the positioning piece, dislocation of threaded holes in the first half-side cavity and the second half-side cavity is avoided, then the first half-side cavity and the second half-side cavity are fixed through the fixing bolts, at the moment, the first half-side cavity and the second half-side cavity press the sealing piece from the two sides of the sealing piece, the sealing piece deforms, and therefore the sealing effect on the gas meter cavity is achieved. The phenomenon that fuel gas leaks from the fuel gas cavity is avoided, and the problems that an existing gas meter cavity is prone to fuel gas leakage, and potential safety hazards exist are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas meters, in particular to a gas meter cavity sealing structure. Background Art

[0002] With the improvement of living standards and the strengthening of environmental awareness, people's daily cooking fuel has changed from conventional energy sources such as firewood and coal, which waste resources and cause serious pollution, to clean energy such as natural gas and coal gas, and even electricity.

[0003] The gas meter comes into play here. With its automatic accumulation function, those who use natural gas or pipeline gas can easily know how much gas they have used. The gas meter box (gas meter cavity) is installed on the gas pipeline. Compared with the structure without the gas meter box installed, it is more prone to gas leakage, and there are safety hazards such as gas poisoning and gas explosion.

[0004] Therefore, a gas meter cavity sealing structure is further designed to solve the problem that the existing gas meter cavity is prone to gas leakage and poses a safety hazard. Utility Model Content

[0005] The utility model aims to provide a gas meter cavity sealing structure, aiming to solve the problem that the existing gas meter cavity is prone to gas leakage and has potential safety hazards.

[0006] To achieve the above-mentioned purpose, the utility model provides a gas meter cavity sealing structure, including a first half cavity, a second half cavity, a seal, a fixing bolt and a positioning piece; the first half cavity is arranged on one side of the second half cavity, the second half cavity has a sealing groove, the sealing groove is located on the side of the second half cavity close to the first half cavity, the seal is arranged on one side of the first half cavity and the sealing groove, the positioning piece is arranged on one side of the first half cavity and the second half cavity, the fixing bolt is threadedly connected to the first half cavity, and is threadedly connected to the second half cavity, and passes through the first half cavity and the second half cavity.

[0007] Wherein, the gas meter cavity sealing structure also includes a locking pin, which is detachably connected to the fixing bolt and passes through one side of the fixing bolt.

[0008] Wherein, the sealing member includes a pressure strip and a sealing strip, the pressure strip is fixedly connected to the first half cavity and is located on a side of the first half cavity close to the second half cavity, and the sealing strip is fixedly connected to the second half cavity and is located in the sealing groove.

[0009] Wherein, the fixing bolt includes a washer and a rotating nut, the rotating nut is threadedly connected to the first half cavity and the second half cavity, and passes through the first half cavity and the second half cavity, and the washer is arranged between the first half cavity and the rotating nut.

[0010] Wherein, the positioning member includes a positioning ring and a positioning column, the positioning column is fixedly connected to the first half cavity and is located on the side of the first half cavity close to the second half cavity, and the positioning ring is fixedly connected to the second half cavity and is located on one side of the second half cavity.

[0011] The utility model provides a gas meter cavity sealing structure, comprising a first half cavity, a second half cavity, a sealing member, a fixing bolt and a positioning member; the first half cavity is arranged at one side of the second half cavity, the second half cavity has a sealing groove, the sealing groove is located at a side of the second half cavity close to the first half cavity, the sealing member is arranged at one side of the first half cavity and the sealing groove, the positioning member is arranged at one side of the first half cavity and the second half cavity, the fixing bolt is threadedly connected to the first half cavity, and is threadedly connected to the second half cavity, and passes through the first half cavity and the second half cavity;

[0012] The first half cavity and the second half cavity are assembled and combined to form a cavity (box body) of the gas meter, which is used to protect the electrical components of the gas meter. The sealing groove is provided to clamp the sealing member, so that the first half cavity and the second half cavity are airtight after being combined. When the first half cavity and the second half cavity are combined, the first half cavity and the second half cavity are positioned by the positioning member to avoid misalignment of the threaded holes on the first half cavity and the second half cavity, and then fixed by the fixing bolts. At this time, the first half cavity and the second half cavity press the sealing member from both sides of the sealing member to deform the sealing member, thereby achieving a sealing effect on the gas meter cavity, avoiding the leakage of gas from the gas cavity, and solving the problem that the existing gas meter cavity is prone to gas leakage and has safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 The utility model is a structural schematic diagram of a gas meter cavity sealing structure.

[0015] Figure 2 It is a side view of the first half cavity of a gas meter cavity sealing structure of the utility model.

[0016] Figure 3 It is a top view of the second half cavity of a gas meter cavity sealing structure of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second half of a gas meter cavity sealing structure of the utility model (excluding the positioning column).

[0018] In the figure: 1-first half cavity, 2-second half cavity, 3-sealing groove, 4-locking tip, 5-pressure strip, 6-sealing strip, 7-washer, 8-rotating nut, 9-positioning ring, 10-positioning column. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] See also Figures 1 to 4 The utility model provides a gas meter cavity sealing structure, including a first half cavity 1, a second half cavity 2, a sealing member, a fixing bolt and a positioning member; the first half cavity 1 is arranged on one side of the second half cavity 2, the second half cavity 2 has a sealing groove 3, the sealing groove 3 is located on the side of the second half cavity 2 close to the first half cavity 1, the sealing member is arranged on one side of the first half cavity 1 and the sealing groove 3, the positioning member is arranged on one side of the first half cavity 1 and the second half cavity 2, the fixing bolt is threadedly connected to the first half cavity 1, and is threadedly connected to the second half cavity 2, and passes through the first half cavity 1 and the second half cavity 2.

[0021] In this embodiment, the first half cavity 1 and the second half cavity 2 are assembled and combined to form a cavity (box) of the gas meter, which is used to protect the electrical components of the gas meter. The sealing groove 3 is provided to clamp the sealing member so that the first half cavity 1 and the second half cavity 2 are airtight after being combined. When the first half cavity 1 and the second half cavity 2 are combined, the first half cavity 1 and the second half cavity 2 are positioned by the positioning member to avoid misalignment of the threaded holes on the first half cavity 1 and the second half cavity 2, and then fixed by the fixing bolts. At this time, the first half cavity 1 and the second half cavity 2 press the sealing member from both sides of the sealing member to deform the sealing member, thereby achieving a sealing effect on the gas meter cavity, avoiding the leakage of gas from the gas cavity, and solving the problem that the existing gas meter cavity is prone to gas leakage and has safety hazards.

[0022] Furthermore, the gas meter cavity sealing structure also includes a locking pin 4, which is detachably connected to the fixing bolt and passes through one side of the fixing bolt.

[0023] In this embodiment, the locking pin 4 is provided to pass through the fixing bolt to strengthen the connection effect of the fixing bolt on the first half cavity 1 and the second half cavity 2 .

[0024] Furthermore, the sealing member includes a pressure strip 5 and a sealing strip 6, the pressure strip 5 is fixedly connected to the first half cavity 1 and is located on the side of the first half cavity 1 close to the second half cavity 2, and the sealing strip 6 is fixedly connected to the second half cavity 2 and is located in the sealing groove 3.

[0025] In this embodiment, the sealing strip 6 is arranged in the sealing groove 3, and the sealing strip 6 is a rubber strip. The pressure strip 5 is arranged to be inserted into the sealing groove 3, squeeze the sealing strip 6 in the sealing groove 3, and press the sealing strip 6 to achieve the sealing of the first half cavity 1 and the second half cavity 2.

[0026] Furthermore, the fixing bolt includes a washer 7 and a rotating nut 8, the rotating nut 8 is threadedly connected to the first half cavity 1, and is threadedly connected to the second half cavity 2, and passes through the first half cavity 1 and the second half cavity 2, and the washer 7 is arranged between the first half cavity 1 and the rotating nut 8.

[0027] In this embodiment, the rotating nut 8 is provided to connect the first half cavity 1 and the second half cavity 2, and the washer 7 is provided to protect the surface of the first half cavity 1 from being scratched by the rotating nut 8, disperse the pressure of the rotating nut 8 on the first half cavity 1, and further strengthen the connection effect of the rotating nut 8 on the first half cavity 1 and the second half cavity 2.

[0028] Furthermore, the positioning member includes a positioning ring 9 and a positioning column 10, the positioning column 10 is fixedly connected to the first half cavity 1 and is located on the side of the first half cavity 1 close to the second half cavity 2, and the positioning ring 9 is fixedly connected to the second half cavity 2 and is located on one side of the second half cavity 2.

[0029] In this embodiment, the positioning ring 9 and the positioning column 10 are provided to position the first half chamber 1 and the second half chamber 2 when they are combined, so as to avoid misalignment of the threaded holes when the first half chamber 1 and the second half chamber 2 are combined.

[0030] What is disclosed above is only a preferred embodiment of the gas meter cavity sealing structure of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A gas meter cavity sealing structure, characterized in that: It includes a first half cavity, a second half cavity, a sealing member, a fixing bolt and a positioning member; the first half cavity is arranged on one side of the second half cavity, the second half cavity has a sealing groove, the sealing groove is located on the side of the second half cavity close to the first half cavity, the sealing member is arranged on one side of the first half cavity and the sealing groove, the positioning member is arranged on one side of the first half cavity and the second half cavity, the fixing bolt is threadedly connected to the first half cavity, and is threadedly connected to the second half cavity, and passes through the first half cavity and the second half cavity.

2. The gas meter cavity sealing structure according to claim 1, characterized in that: The gas meter cavity sealing structure also includes a locking pin, which is detachably connected to the fixing bolt and passes through one side of the fixing bolt.

3. The gas meter cavity sealing structure according to claim 1, characterized in that: The sealing member includes a pressure strip and a sealing strip. The pressure strip is fixedly connected to the first half cavity and is located on a side of the first half cavity close to the second half cavity. The sealing strip is fixedly connected to the second half cavity and is located in the sealing groove.

4. The gas meter cavity sealing structure according to claim 1, characterized in that: The fixing bolt includes a washer and a rotating nut. The rotating nut is threadedly connected to the first half cavity and the second half cavity, and passes through the first half cavity and the second half cavity. The washer is arranged between the first half cavity and the rotating nut.

5. The gas meter cavity sealing structure according to claim 4, characterized in that: The positioning member includes a positioning ring and a positioning column. The positioning column is fixedly connected to the first half cavity and is located on a side of the first half cavity close to the second half cavity. The positioning ring is fixedly connected to the second half cavity and is located on one side of the second half cavity.

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