Self-closing valve mounting box

Abstract

The utility model provides a self-closing valve mounting box, and belongs to the technical field of gas valve mounting. The problem that a self-closing valve is inconvenient to install in an existing installation box is solved. The self-closing valve installation box comprises a box body used for containing a self-closing valve and a box cover arranged on the box body in a covering mode, a first through hole allowing a reset cover to penetrate through and a second through hole allowing a switch knob to penetrate through are formed in the box cover, and a protection pipe communicated with the box body is arranged at one end of the box body. The protection tube comprises a lower half tube connected with the box body into a whole and an upper half tube buckled with the lower half tube, an installation notch is formed in the upper portion of the connecting position of the lower half tube and the box body, a connecting plate is detachably installed in the installation notch, and the upper half tube is fixed to the connecting plate. In the process of mounting the connecting plate, the pipeline cannot influence the connecting plate, so that the self-closing valve is more convenient to mount; and the crushing seams are formed in the mounting supporting legs, so that the mounting requirements of various wall surfaces can be met, and flexibility and practicability are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas valve installation and relates to a self-closing valve installation box. Background Art

[0002] The self-closing valve includes a valve body, which is provided with a switch knob and a reset cover. It is installed on a low-pressure gas pipeline. When the pipeline gas supply pressure is underpressure or overpressure, the valve will automatically close and cut off the gas source. After automatic closure, it needs to be opened manually.

[0003] During installation, one end of the self-closing valve is connected to the gas meter through a pipeline, and the other end is connected to the gas stove through a pipeline. At present, most self-closing valves are installed in a concealed manner in the wall. For example, a Chinese patent discloses a self-closing valve installation box [authorization announcement number is CN218625555U], which includes a box body for placing the self-closing valve, a first through hole for the reset cover to pass through and a second through hole for the switch knob to pass through are provided on the top of the box body, protective tubes are provided at both ends of the box body, a connecting plate is provided at one end of the protective tube, and U-shaped installation notches are provided at both ends of the box body, and the side walls of the installation notches are provided with limit grooves, and the side walls of the connecting plate are provided with limit blocks that cooperate with the limit grooves.

[0004] When installing the self-closing valve, first pass the pipeline through the protective tube, then connect the pipeline with one end of the self-closing valve, and then install the self-closing valve and the protective tube into the box body. When installing the protective tube, the pipeline is inserted inside, which hinders the movement of the protective tube. During the movement, it is easy to cause the connection between the pipeline and the self-closing valve to loosen, making the self-closing valve inconvenient to install. Utility Model Content

[0005] The utility model aims to solve the above problems in the prior art and proposes a self-closing valve installation box which is convenient for installing a self-closing valve.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A self-closing valve installation box comprises a box body for placing the self-closing valve and a box cover arranged on the box body, the box cover is provided with a first through hole for a reset cover to pass through and a second through hole for a switch knob to pass through, one end of the box body is provided with a protective tube connected to the box body, the protective tube comprises a lower half tube connected to the box body as a whole and an upper half tube buckled with the lower half tube, an installation notch is provided at the upper part of the connection between the lower half tube and the box body, a connecting plate is detachably installed in the installation notch, and the upper half tube is fixed on the connecting plate.

[0008] When the connecting plate is installed in the installation notch, the upper half pipe and the lower half pipe are buckled to form a protection pipe. During installation, first move the connecting plate away, put the pipeline into the installation notch and the lower half pipe from top to bottom, and connect it to the self-closing valve. Then install the self-closing valve into the box body. Finally, install the connecting plate into the installation notch. During the installation of the connecting plate, the pipeline will not affect it, making the installation of the self-closing valve more convenient.

[0009] In the above-mentioned self-closing valve installation box, limiting grooves extending in the depth direction are provided on two opposite side walls of the installation notch. A limiting strip cooperating with the limiting groove is provided on the side of the connecting plate. An installation step is provided at the opening of the installation notch, and a threaded hole is provided on the installation step. The connecting plate has a connecting portion cooperating with the installation step, and a connecting hole opposite to the threaded hole is provided on the connecting portion.

[0010] The cooperation between the limiting boss and the limiting groove can limit the movement of the connecting plate in the axial direction of the protection pipe. A locking bolt threadedly connected to the threaded hole is inserted into the connecting hole, and the connecting portion can be fixed on the installation step, thereby fixing the connecting plate in the installation notch. The upper end surface of the connecting plate is flush with the upper end surface of the box body. In order to prevent the locking bolt from protruding, the connecting hole can be set as a stepped hole, and the rod head of the locking bolt is located in the upper cavity of the connecting hole.

[0011] In the above-mentioned self-closing valve installation box, a limiting protrusion is provided on the side of the lower half pipe opposite to the upper half pipe, and a limiting opening opposite to and cooperating with the limiting protrusion is provided on the side of the upper half pipe opposite to the lower half pipe. When the lower half pipe and the upper half pipe are buckled, the limiting protrusion is inserted into the corresponding limiting opening.

[0012] A limiting opening is provided on each side of the upper half pipe opposite to the lower half pipe. The two limiting openings on different sides are opposite to each other, and the radial positions of the lower half pipe and the upper half pipe are ensured by the limiting protrusion and the limiting opening.

[0013] In the above-mentioned self-closing valve installation box, an elastic buckle extending into the lower half pipe is provided on the upper half pipe, and a limiting bayonet cooperating with the elastic buckle is provided on the inner side of the lower half pipe. When the lower half pipe and the upper half pipe are buckled with each other, the elastic buckle is snapped into the limiting bayonet.

[0014] There are two elastic buckles which are respectively arranged on two opposite sides of the upper half pipe, and there are also two limiting bayonets which are arranged in one-to-one correspondence with the elastic buckles. When the elastic buckles are snapped into the limiting bayonets, the upper half pipe and the lower half pipe can be connected into a whole, ensuring the structural strength and stability.

[0015] In the above self-closing valve installation box, a mounting bracket is provided in the box body, and a first elastic bayonet portion and a second elastic bayonet portion are provided on the mounting bracket in sequence along the length direction of the box body, and at least one first mounting groove extending along the length direction of the box body is provided on both sides of the mounting bracket, and the mounting bracket is fixed to the bottom of the box body by fastening bolts passing through the first mounting groove. The first mounting groove is in a strip shape, which facilitates the movement of the mounting bracket along the length direction of the box body, so that it can better cooperate with the self-closing valve.

[0016] In the above self-closing valve installation box, the box cover is connected to the opening of the box body by connecting bolts, and a decorative cover is connected to the box cover by snap-fitting, and a clearance opening is provided on the decorative cover for the reset cover and the switch knob to pass through.

[0017] In the above-mentioned self-closing valve installation box, the outer side surface of the box body is provided with a T-shaped groove extending along the depth direction of the box body, and a mounting foot is installed in the T-shaped groove. The mounting foot includes a mating plate that fits in the T-shaped groove and a mounting plate that is arranged perpendicular to the mating plate. The mounting plate is provided with a second mounting groove extending along the width direction of the box body.

[0018] In the above self-closing valve installation box, an annular retaining edge extending outward is provided at the opening of the box body, one end of the T-slot extends to the annular retaining edge, and the end of the mounting plate / matching plate away from the mounting plate abuts against the annular retaining edge. The mounting plate is positioned by the annular retaining edge, and the box body is fixed to the wall by a plurality of mounting legs.

[0019] In the above self-closing valve installation box, the matching plate is provided with a broken seam extending along the length direction of the box body. When used on a wall without tiles, the mounting plate is pressed against the annular retaining edge, and the distance between the mounting plate and the wall is small; when used on a wall to be tiled, the matching plate is broken along the broken seam, and then the end of the matching plate away from the mounting plate (i.e., the crack of the broken seam) is pressed against the annular retaining edge to reserve space for tile laying.

[0020] Compared with the prior art, the self-closing valve installation box has the following advantages:

[0021] Since the protective pipe is divided into an upper half and a lower half, the upper half is removed first during installation, and the pipe is placed from top to bottom into the installation notch and the lower half, and then the connecting plate is installed into the installation notch. During the installation of the connecting plate, the pipe will not affect it, making the installation of the self-closing valve more convenient; the installation legs are provided with breaking seams, which can meet the installation requirements of various wall surfaces, and are flexible and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the self-closing valve installation box.

[0023] Figure 2It is an exploded schematic diagram of the self-closing valve installation box.

[0024] Figure 3 It is an exploded schematic diagram of the box body provided by the utility model.

[0025] Figure 4 It is a structural schematic diagram of the upper half pipe provided by the utility model.

[0026] Figure 5 It is a structural schematic diagram of the mounting foot provided by the utility model.

[0027] In the figure, 1, box body; 2, box cover; 3, lower half pipe; 4, upper half pipe; 5, connecting plate; 6, limiting groove; 7, limiting strip; 8, mounting step; 9, connecting part; 10, limiting protrusion; 11, limiting opening; 12, elastic buckle; 13, limiting snap-in; 14, mounting bracket; 15, first elastic snap-in part; 16, second elastic snap-in part; 17, first mounting groove; 18, decorative cover; 19, T-slot; 20, mounting foot; 21, matching plate; 22, mounting plate; 23, second mounting groove; 24, annular retaining edge; 25, broken seam. DETAILED DESCRIPTION

[0028] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0029] like Figure 1 The self-closing valve installation box shown includes a box body 1 for placing the self-closing valve and a box cover 2 arranged on the box body 1, the box cover 2 is provided with a first through hole for the reset cover to pass through and a second through hole for the switch knob to pass through, the box cover 2 is connected to the opening of the box body 1 by connecting bolts, and a decorative cover 18 is connected to the box cover 2 in the form of a buckle, and the decorative cover 18 is provided with a makeshift opening for the reset cover and the switch knob to pass through.

[0030] like Figure 2 As shown, a mounting bracket 14 is provided in the box body 1, and a first elastic bayonet portion 15 and a second elastic bayonet portion 16 are provided on the mounting bracket 14 in sequence along the length direction of the box body 1, and two first mounting grooves 17 extending along the length direction of the box body 1 are provided on both sides of the mounting bracket 14, respectively. The mounting bracket 14 is fixed to the bottom of the box body 1 by fastening bolts passing through the first mounting grooves 17, and nuts that match the threads of the fastening bolts are embedded in the bottom of the box body 1. The first mounting grooves 17 facilitate the movement of the mounting bracket 14 along the length direction of the box body 1, so that it can better match the self-closing valve.

[0031] like Figure 1 As shown, one end of the box body 1 is provided with a protective tube connected to the box body 1, such as Figure 2 and Figure 3As shown in the figure, the protection tube includes a lower half tube 3 integrally connected to the box body 1 and an upper half tube 4 detachably arranged with the lower half tube 3. An installation notch is provided at the upper part of the connection between the lower half tube 3 and the box body 1. A connecting plate 5 is detachably installed in the installation notch, and the upper half tube 4 is fixed on the connecting plate 5.

[0032] When the connecting plate 5 is installed in the installation notch, the upper half tube 4 and the lower half tube 3 are buckled to form a protection tube. During installation, first move the connecting plate 5 away, put the pipeline into the installation notch and the lower half tube 3 from top to bottom, and connect it to the self-closing valve. Then install the self-closing valve into the box body 1. Finally, install the connecting plate 5 into the installation notch. During the installation of the connecting plate 5, the pipeline will not affect it, making the installation of the self-closing valve more convenient.

[0033] As Figure 3 shown in the figure, limiting grooves 6 extending in the depth direction are provided on both opposite side walls of the installation notch. A limiting strip 7 cooperating with the limiting groove 6 is provided on the side of the connecting plate 5. An installation step 8 is provided at the opening of the installation notch. A threaded hole is provided on the installation step 8. The connecting plate 5 has a connecting portion 9 cooperating with the installation step 8, and a connecting hole opposite to the threaded hole is provided on the connecting portion 9.

[0034] The cooperation between the limiting boss and the limiting groove 6 can limit the movement of the connecting plate 5 in the axial direction of the protection tube. A locking bolt threadedly connected to the threaded hole is inserted into the connecting hole, and the connecting portion 9 can be fixed on the installation step 8, thereby fixing the connecting plate 5 in the installation notch. The upper end surface of the connecting plate 5 is flush with the upper end surface of the box body 1. In order to prevent the locking bolt from protruding, the connecting hole can be set as a layered hole, and the rod head of the locking bolt is located in the upper cavity of the connecting hole.

[0035] As Figure 3 shown in the figure, a limiting protrusion 10 is provided on the side of the lower half tube 3 opposite to the upper half tube 4. As Figure 4 shown in the figure, a limiting opening 11 opposite to and cooperating with the limiting protrusion 10 is provided on the side of the upper half tube 4 opposite to the lower half tube 3. When the lower half tube 3 and the upper half tube 4 are buckled, the limiting protrusion 10 is inserted into the corresponding limiting opening 11. Each side of the upper half tube 4 opposite to the lower half tube 3 is provided with a limiting opening 11, and the two limiting openings 11 located on different sides are opposite to each other. The radial positions of the lower half tube 3 and the upper half tube 4 are ensured by the limiting protrusion 10 and the limiting opening 11.

[0036] As Figure 4 shown in the figure, the upper half tube 4 has an elastic buckle 12 extending into the lower half tube 3. As Figure 3 shown in the figure, a limiting bayonet 13 cooperating with the elastic buckle 12 is provided on the inner side of the lower half tube 3. When the lower half tube 3 and the upper half tube 4 are buckled with each other, the elastic buckle 12 is snapped into the limiting bayonet 13.

[0037] The elastic buckles 12 are two in number and are respectively arranged on two opposite sides of the upper half pipe 4. The limit buckles 13 are also two in number and are arranged in one-to-one correspondence with the elastic buckles 12. When the elastic buckles 12 are snapped into the limit buckles 13, the upper half pipe 4 and the lower half pipe 3 can be connected into a whole, ensuring the structural strength and stability.

[0038] As Figure 3 shown, a plurality of T-shaped grooves 19 extending along the depth direction of the box body 1 are provided on the outer side surface of the box body 1, and mounting feet 20 are installed in the T-shaped grooves. As Figure 5 shown, the mounting foot 20 includes a mating plate 21 fitted in the T-shaped groove 19 and a mounting plate 22 arranged perpendicular to the mating plate 21. A second mounting groove 23 extending along the width direction of the box body 1 is provided on the mounting plate 22.

[0039] As Figure 3 shown, an annular retaining edge 24 extending outward is provided at the opening of the box body 1. One end of the T-shaped groove extends to the annular retaining edge 24, and one side of the mounting plate 22 / the end of the mating plate 21 away from the mounting plate 22 abuts against the annular retaining edge 24. The mounting plate 22 is positioned by the annular retaining edge 24, and the box body 1 is fixed to the wall through a plurality of mounting feet 20.

[0040] As Figure 5 shown, a breaking slot 25 extending along the length direction of the box body 1 is provided on the mating plate 21. When used on a wall without tiles, the mounting plate 22 is abutted against the annular retaining edge 24, and at this time, the distance from the mounting plate 22 to the wall is small; when used on a wall that needs to be tiled, the mating plate 21 is broken along the breaking slot 25, and then the end of the mating plate 21 away from the mounting plate 22 (i.e., the crack of the breaking slot 25) is abutted against the annular retaining edge 24, leaving a space for tiling.

[0041] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An installation box for a self - closing valve, comprising a box body (1) for placing the self - closing valve and a box cover (2) covering the box body (1). A first through - hole for a reset cover to pass through and a second through - hole for a switch knob to pass through are provided on the box cover (2). One end of the box body (1) is provided with a protection pipe communicated with the box body (1), and it is characterized in that, The protective tube includes a lower half tube (3) integrally connected to the box body (1) and an upper half tube (4) detachably fastened to the lower half tube (3). An installation notch is provided above the connection between the lower half tube (3) and the box body (1). A connecting plate (5) is detachably installed in the installation notch, and the upper half tube (4) is fixed to the connecting plate (5).

2. The self-closing valve mounting box according to claim 1, wherein, Limiting grooves (6) extending in the depth direction are formed on two opposite side walls of the installation notch. A limiting strip (7) cooperating with the limiting grooves (6) is provided on the side of the connecting plate (5). An installation step (8) is provided at the opening of the installation notch. A threaded hole is provided on the installation step (8). The connecting plate (5) has a connecting portion (9) cooperating with the installation step (8), and a connecting hole opposite to the threaded hole is provided on the connecting portion (9).

3. The self-closing valve mounting box according to claim 1, characterized in that, Limiting protrusions (10) are provided on the side of the lower half tube (3) opposite to the upper half tube (4). Limiting openings (11) opposite to and cooperating with the limiting protrusions (10) are provided on the side of the upper half tube (4) opposite to the lower half tube (3). When the lower half tube (3) and the upper half tube (4) are fastened together, the limiting protrusions (10) are inserted into the corresponding limiting openings (11).

4. The self-closing valve mounting box according to claim 1, characterized in that, Elastic buckles (12) extending into the lower half tube (3) are provided on the upper half tube (4). Limiting buckles (13) cooperating with the elastic buckles (12) are provided on the inner side of the lower half tube (3). When the lower half tube (3) and the upper half tube (4) are fastened together, the elastic buckles (12) are snapped into the limiting buckles (13).

5. The self-closing valve installation box according to claim 1, characterized in that: An installation bracket (14) is provided in the box body (1). A first elastic buckle portion (15) and a second elastic buckle portion (16) are sequentially provided on the installation bracket (14) along the length direction of the box body (1). At least one first installation groove (17) extending along the length direction of the box body (1) is provided on each side of the installation bracket (14). The installation bracket (14) is fixed to the bottom of the box body (1) by fastening bolts passing through the first installation grooves (17).

6. The self-closing valve installation box according to claim 1, characterized in that: The box cover (2) is connected to the opening of the box body (1) by connecting bolts. A decorative cover (18) is connected to the box cover (2) in a snap-fit manner. A relief opening for the reset cover and the switch knob to pass through is provided on the decorative cover (18).

7. The self-closing valve mounting box according to claim 1, characterized in that, A T-shaped groove (19) extending along the depth direction of the box body (1) is provided on the outer side surface of the box body (1). An installation support foot (20) is installed in the T-shaped groove (19). The installation support foot (20) includes a mating plate (21) fitted in the T-shaped groove (19) and an installation plate (22) perpendicular to the mating plate (21). A second installation groove (23) extending along the width direction of the box body (1) is provided on the installation plate (22).

8. The self-closing valve installation box according to claim 7, characterized in that: An annular retaining edge (24) extending outward is provided at the opening of the box body (1). One end of the T-shaped groove (19) extends to the annular retaining edge (24). The end of the installation plate (22) / mating plate (21) away from the installation plate (22) abuts against the annular retaining edge (24).

9. The self-closing valve mounting box according to claim 8, wherein, The mating plate (21) is provided with a crushing seam (25) extending along the length direction of the box body (1).

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