Fuel gas metering box convenient to disassemble and assemble

Abstract

The fuel gas metering box convenient to disassemble and assemble comprises a support and a box body, the support comprises a rectangular frame and installation frames symmetrically arranged at the two ends of the rectangular frame, the bottom of the box body is open, and the box body is supported on the rectangular frame in a detachable mode; an inlet flange group and an outlet flange group are respectively arranged on the two mounting racks, at least two strip-shaped holes are formed in the mounting racks corresponding to the inlet flange group and the outlet flange group, and the inlet flange group and the outlet flange group are fixedly connected with the corresponding mounting racks through the strip-shaped holes. By the adoption of the scheme, the overall structure is compact and stable, rapid connection with on-site gas inlet and outlet pipe openings is facilitated, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas facilities, and in particular relates to a gas metering box which is easy to assemble and disassemble. Background Art

[0002] The gas pressure regulating and metering box is an important component of the gas transmission and distribution system. The interior of the box usually contains a pressure regulating and metering system composed of a pressure regulator and a gas meter, as well as inlet and outlet pipes. At present, there are two main types of gas inlet and outlet in the gas metering box. The first type is disclosed in patent number "202222887059X" and the name is "A gas metering box with solenoid valve control". Its inlet and outlet are located on the left and right sides of the box respectively. The second type is disclosed in patent number "2023213616105" and the name is "A pressure regulating and metering box with air pressure detection". The inlet and outlet of the gas are located at the bottom of the box.

[0003] The applicant found in the research that the second type of gas inlet and outlet located at the bottom structure has many inconveniences during the installation process, mainly in the installation of the external box and the connection of the inlet and outlet. Usually, due to the large error of the inlet and outlet pipelines on the base, it is difficult to quickly connect with the inlet and outlet in the metering box, which relatively affects the installation efficiency. Utility Model Content

[0004] In view of this, the utility model provides a gas metering box that is easy to disassemble and assemble, so as to solve the problem in the prior art that the gas inlet and outlet of the metering box are inconvenient to connect with the gas inlet and outlet on the base, which affects the installation efficiency.

[0005] The technical solution is as follows:

[0006] A gas metering box that is easy to disassemble and assemble, the key of which is: comprising a bracket and a box body, wherein the bracket comprises a rectangular frame and mounting brackets symmetrically arranged at both ends of the rectangular frame, the bottom of the box body is open and supported on the rectangular frame in a detachable manner;

[0007] An inlet flange group and an outlet flange group are respectively arranged on the two mounting frames. The inlet flange group and the outlet flange group have at least two strip holes on the corresponding mounting frames. The inlet flange group and the outlet flange group are fixedly connected to the corresponding mounting frames through the strip holes.

[0008] By adopting the above scheme, during the actual installation process, the positions of the inlet flange group and the outlet flange group can be adjusted according to the positions of the gas inlet and outlet pipes on the ground base, so that they can be quickly connected. After the connection is completed, the box body can be installed, which greatly improves the on-site installation efficiency of the metering box.

[0009] As a preferred embodiment, the mounting frame is in an inverted L-shape, and an arc-shaped notch is provided at the end thereof. By adopting the above solution, the installation stability of the inlet and outlet flange set can be improved.

[0010] To facilitate overall hoisting, the rectangular frame has at least two hoisting holes on both sides of the long side, and the hoisting holes are close to the ends of the rectangular frame.

[0011] Preferably, an inlet ball valve, a pressure regulator, a gas meter and an outlet ball valve are sequentially connected between the inlet flange group and the outlet flange group through pipelines, wherein the gas meter is an ultrasonic gas meter.

[0012] As a preferred embodiment, a filter is provided between the inlet ball valve and the pressure regulator. The above solution can reduce the impact of gas on the components in the meter, which is conducive to extending their service life.

[0013] Preferably, a meter inlet fitting and a meter outlet fitting are provided between the gas meter, the pressure regulator and the outlet ball valve, respectively, wherein a curved-mouth ball valve is provided on the meter inlet fitting.

[0014] As a preferred embodiment, the gas meter is located near the middle between the two mounting brackets, and the pressure regulator is located directly above the gas meter. With the above solution, the overall structure is more compact, easy to install, and has better overall stability.

[0015] As a preferred embodiment, the top of the box body is in a "human" shape. The above solution can prevent water accumulation on the top and better protect the internal equipment.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a gas metering box that is easy to disassemble and assemble, and has a compact and stable overall structure, and is easy to quickly connect to gas inlet and outlet pipes on site, thereby improving installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model (the box body hides the front door);

[0019] Figure 2 for Figure 1 Front view;

[0020] Figure 3 Schematic diagram of the internal structure of the box;

[0021] Figure 4 A schematic diagram of the support structure. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] refer to Figures 1 to 4The gas meter box shown is easy to disassemble and assemble, and mainly includes a bracket 1 and a box body 2, wherein the bracket 1 includes a rectangular frame 10 and mounting frames 11 symmetrically arranged at both ends of the rectangular frame 10, the box body 2 has an open bottom and is supported on the rectangular frame 10 in a detachable manner, and usually the box body 2 is fixed to the rectangular frame 10 by screws.

[0024] The two mounting frames 11 are respectively provided with an inlet flange group 3 and an outlet flange group 4, which are both vertically arranged. The corresponding mounting frames 11 have at least two strip holes 110, and the inlet flange group 3 and the outlet flange group 4 are fixedly connected to the corresponding mounting frames 11 through the strip holes 110. During installation, the horizontal positions of the inlet flange group 3 and the outlet flange group 4 can be adjusted as needed to achieve the purpose of quickly docking with the gas inlet and outlet pipes below. Of course, in the actual implementation process, the strip hole 110 can also be set on one of the mounting frames 11, so that the quick docking can be achieved by moving the bracket 1 as a whole and cooperating with the strip hole 110.

[0025] In specific implementation, the mounting frame 11 is in an inverted L-shape, that is, the top of the mounting frame 11 extends horizontally toward the middle of the rectangular frame 10, and its end has an arc-shaped notch 111. The arc-shaped notch 111 usually has a diameter that is adapted to the outer diameter of the tube body of the corresponding flange group, and two strip holes 110 are symmetrically arranged on both sides of the arc-shaped notch 111.

[0026] At least two hanging holes 100 are formed on opposite sides of the long side of the rectangular frame 10 . The hanging holes 100 are symmetrically arranged and close to the ends of the rectangular frame 10 .

[0027] The inlet ball valve 5, the pressure regulator 6, the gas meter 7 and the outlet ball valve 8 are connected in sequence between the inlet flange group 3 and the outlet flange group 4 through pipelines, wherein the gas meter 7 is an ultrasonic gas meter, and a filter 9 is provided between the inlet ball valve 5 and the pressure regulator 6. The ultrasonic gas meter and the pressure regulator 6 constitute a pressure regulating and metering system, and have better metering and Internet of Things transmission effects.

[0028] An inlet fitting 70 and an outlet fitting 71 are respectively provided between the gas meter 7 and the pressure regulator 6 and the outlet ball valve 8 , wherein the inlet fitting 70 is provided with a curved-mouth ball valve 72 .

[0029] In order to further improve the overall compactness and stability, the gas meter 7 is located close to the middle position between the two mounting frames 11, and the pressure regulator 6 is located directly above the gas meter 7.

[0030] The front side of the box body 2 is an openable door, and the top of the box body 2 is in a "human" shape to avoid water accumulation.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make a variety of similar expressions without violating the purpose and claims of the present invention, and such changes fall within the scope of protection of the present invention.

Claims

1. A gas metering box that is easy to disassemble and assemble, characterized in that: It comprises a support (1) and a box (2), wherein the support (1) comprises a rectangular frame (10) and mounting frames (11) symmetrically arranged at two ends of the rectangular frame (10), and the box (2) has an open bottom and is supported on the rectangular frame (10) in a detachable manner; An inlet flange group (3) and an outlet flange group (4) are respectively provided on the two mounting frames (11); the inlet flange group (3) and the outlet flange group (4) have at least two strip holes (110) on the corresponding mounting frames (11); and the inlet flange group (3) and the outlet flange group (4) are fixedly connected to the corresponding mounting frames (11) via the strip holes (110).

2. A gas metering box that is easy to assemble and disassemble according to claim 1, characterized in that: The mounting frame (11) is in an inverted L-shape, and an arc-shaped notch (111) is provided at the end thereof.

3. A gas metering box that is easy to assemble and disassemble according to claim 1 or 2, characterized in that: The rectangular frame (10) has at least two hanging holes (100) on both sides of the long side, and the hanging holes (100) are close to the ends of the rectangular frame (10).

4. A gas metering box that is easy to assemble and disassemble according to claim 1 or 2, characterized in that: An inlet ball valve (5), a pressure regulator (6), a gas meter (7) and an outlet ball valve (8) are sequentially connected between the inlet flange group (3) and the outlet flange group (4) via pipelines, wherein the gas meter (7) is an ultrasonic gas meter.

5. The gas metering box that is easy to assemble and disassemble according to claim 4 is characterized in that: A filter (9) is provided between the inlet ball valve (5) and the pressure regulator (6).

6. The gas metering box that is easy to assemble and disassemble according to claim 4 is characterized in that: An inlet fitting (70) and an outlet fitting (71) are respectively provided between the gas meter (7), the pressure regulator (6) and the outlet ball valve (8), wherein the inlet fitting (70) is provided with a curved-mouth ball valve (72).

7. The gas metering box that is easy to assemble and disassemble according to claim 4 is characterized in that: The gas meter (7) is located near the middle position between the two mounting frames (11), and the pressure regulator (6) is located directly above the gas meter (7).

8. A gas metering box that is easy to assemble and disassemble according to claim 1 or 2, characterized in that: The top of the box body (2) is in the shape of a "human".

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