Fuel gas buried box

Abstract

The utility model provides a fuel gas concealed box, and belongs to the technical field of fuel gas equipment. The problem that an existing gas buried box is inconvenient to install is solved. The gas buried box comprises a box body with one end provided with a protection pipe and a cover body covering the box body, a receding hole is formed in the cover body, a supporting plate is positioned in the receding hole through a positioning structure, the supporting plate comprises a first plate body and a second plate body which are spliced together, a first semicircular groove is formed in the side edge where the first plate body and the second plate body are spliced, and a second semicircular groove is formed in the side edge where the first plate body and the second plate body are spliced together. A second semicircular groove is formed in the side edge, spliced with the first plate body, of the second plate body, and the first semicircular groove and the second semicircular groove form a through hole allowing a pipeline to penetrate through. The supporting plate is divided into two parts, during installation, the first plate body and the second plate body surround the pipeline in the radial direction of the pipeline, then the spliced supporting plate is positioned in the receding hole through the positioning structure, and installation is very convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas equipment and relates to a gas concealed box. Background Art

[0002] A gas concealed box is a device for storing gas meters and valves, and its purpose is to protect gas equipment from external environmental influences, and to prevent gas leaks and accidents. For example, a Chinese patent discloses a new type of gas pipeline wall box [authorization announcement number is CN208011082U], which includes a wall box body, a right-angle elbow is provided inside the wall box body, a corrugated pipe is connected to one side of the right-angle elbow, a sealing ring and a retaining ring are provided between the right-angle elbow and the corrugated pipe in sequence, the right-angle elbow and the corrugated pipe are fixedly connected by a first nut, a right-angle valve is provided on the upper part of the right-angle elbow, the right-angle elbow and the right-angle valve are fixedly connected by a second nut, and a cover plate is provided on the upper part of the wall box body. The cover plate in the wall box is an integral structure, which is very inconvenient to install, and cannot be replaced after installation, and cannot meet the use requirements. Utility Model Content

[0003] The utility model aims to solve the above problems in the prior art and proposes a gas concealed box which is easy to install.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A gas concealed box comprises a box body with a protective tube at one end and a cover body arranged on the box body, the cover body is provided with a clearance hole, a support plate is positioned in the clearance hole by a positioning structure, the support plate comprises a first plate body and a second plate body spliced ​​together, a first semicircular groove is provided on the side where the first plate body and the second plate body are spliced ​​together, a second semicircular groove is provided on the side where the second plate body and the first plate body are spliced ​​together, and the first semicircular groove and the second semicircular groove constitute a through hole for the pipeline to pass through.

[0006] The cross-sectional shape of the clearance hole is the same as that of the support plate and the clearance between the two is matched. The first semicircular groove and the second semicircular groove are equal in size and are arranged opposite to each other. During installation, the first plate body and the second plate body are surrounded on the pipeline from the radial direction of the pipeline, and then the spliced ​​support plates are positioned in the clearance hole through the positioning structure. The installation is very convenient.

[0007] In the above-mentioned gas concealed box, the positioning structure includes a limit stop edge arranged on the inner side of the lower end of the clearance hole and two spring sheets arranged relatively on the support plate, one of which is arranged on the first plate body and the other is arranged on the second plate body. After installation, the lower end surface of the support plate is abutted against the limit stop edge, and the spring sheet is hooked on the inner end surface of the cover plate.

[0008] The limit stop is arranged in sections along the circumference of the clearance hole for lower limiting the support plate. The spring sheet is hooked on the inner end surface of the clearance hole for upper limiting the support plate. The support plate is positioned in the clearance hole through the joint action of the limit stop and the spring sheet.

[0009] In the above-mentioned gas concealed box, the side where the first plate body and the second plate body are spliced ​​together is provided with two slots respectively located on both sides of the first semicircular groove, and the side where the second plate body and the first plate body are spliced ​​together is provided with two pins arranged one-to-one corresponding to the slots, and the pins are inserted in the slots opposite thereto.

[0010] The first plate and the second plate are ensured to be at the same height by the latch and the slot. In another embodiment, the slot can be provided on the second plate and the latch can be provided on the first plate, and the same effect can be achieved; or both the latch and the slot can be provided on the first plate, and both the latch and the slot can be provided on the second plate, the latch of the first plate is inserted into the slot of the second plate, and the latch of the second plate is inserted into the slot of the first plate.

[0011] In the above-mentioned gas concealed box, a decorative plate is connected to the cover body by means of a snap-fit, and the decorative plate has a clearance opening arranged opposite to the clearance hole, and the upper part of the support plate extends into the clearance opening; the outer periphery of the support plate is provided with a limiting ring located in the clearance opening, and the decorative plate is pressed on the limiting ring.

[0012] The limiting ring is used to limit the separation of the first plate body and the second plate body. The limiting ring is positioned by the decorative plate, and the decorative plate is connected to the cover body by a buckle.

[0013] In the above-mentioned gas concealed box, the outer ring of the limiting ring is provided with an annular retaining edge, and the decorative plate is pressed on the annular retaining edge.

[0014] In the above-mentioned gas concealed box, a positioning column is provided on the lower end surface of the limit ring, and the cover body has a positioning hole that cooperates with the positioning column. There are two positioning holes and they are symmetrically distributed along the center line of the clearance hole. There are two positioning columns and they correspond to the two positioning holes one by one, which are used to accurately control the position of the limit ring.

[0015] In the above gas concealed box, two sides of the spring sheet are respectively provided with slots, and the upper ends of the slots are higher than the upper surface of the cover body. Due to the slots, when the support plate needs to be removed, the spring sheet is pushed inward by extending the lever into the slot to separate the spring sheet from the cover plate.

[0016] In the above gas concealed box, the protection tube includes a lower half tube connected to the box body and an upper half tube buckled with the lower half tube, and 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. The upper half tube is removed before installing the pipeline, which is convenient for installation.

[0017] In the above-mentioned gas concealed box, the outer side surface of the box body is provided with a T-shaped groove extending along the depth of the box body, and a mounting foot is installed in the T-shaped groove. The mounting foot includes a matching plate that fits in the T-shaped groove and a mounting plate that is perpendicular to the matching plate. The mounting plate is provided with a second mounting groove extending along the width direction of the box body; a limiting rib is provided at the opening of the box body, one end of the T-shaped groove extends to the limiting rib, and one side of the mounting plate / the end of the matching plate away from the mounting plate rests on the limiting rib.

[0018] In the above-mentioned gas concealed box, the matching plate is provided with a broken seam extending along the length direction of the box body. The box body is fixed to the wall through a plurality of mounting legs. When used on a wall without tiles, the mounting plate is pressed against the limit 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 limit retaining edge to reserve space for tile laying.

[0019] Compared with the prior art, this gas buried box has the following advantages:

[0020] The support plate is divided into two parts. During installation, the first plate body and the second plate body are placed radially around the pipeline and then positioned in the clearance hole through the positioning structure. The installation is very convenient. The limiting ring is used to limit the separation of the first plate body and the second plate body, so that the support plate has a good positioning effect on the pipeline. The box body is fixed to the wall by installing feet, and the matching plate is provided with a broken seam, which can make it have a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the gas concealed box installed on the wall pipe.

[0022] Figure 2 It is a structural diagram of an angle valve installed in a gas concealed box.

[0023] Figure 3 It is a cross-sectional view of a concealed gas box.

[0024] Figure 4 It is a schematic diagram of the explosion of part of the structure of the gas buried box.

[0025] Figure 5 It is a schematic diagram of the explosion of the gas concealed box.

[0026] Figure 6 It is a schematic diagram of the structure of the installation feet.

[0027] In the figure, 1, protective tube; 2, box body; 3, cover body; 4, clearance hole; 5, first plate body; 6, second plate body; 7, first semicircular groove; 8, second semicircular groove; 9, limit stop edge; 10, spring piece; 11, latch; 12, decorative plate; 13, clearance opening; 14, limit ring; 15, annular stop edge; 16, positioning column; 17, slot; 18, lower half pipe; 19, upper half pipe; 20, installation notch; 21, connecting plate; 22, T-slot; 23, installation foot; 24, matching plate; 25, installation plate; 26, installation groove; 27, limit stop edge; 28, breaking 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 and Figure 2 The gas concealed box shown is used to install a wall pipe or an angle valve. It includes a box body 2 with a protection tube 1 at one end and a cover 3 covering the box body 2. A detachable sealing plate is provided at the end of the box body 2 opposite to the protection tube 1. Figure 4 As shown, a clearance hole 4 is provided in the middle of the cover body 3, and a support plate is positioned in the clearance hole 4 through a positioning structure. Figure 4 As shown, the support plate includes a first plate body 5 and a second plate body 6 spliced ​​together, a first semicircular groove 7 is provided on the side where the first plate body 5 and the second plate body 6 are spliced ​​together, and a second semicircular groove 8 is provided on the side where the second plate body 6 and the first plate body 5 are spliced ​​together, and the first semicircular groove 7 and the second semicircular groove 8 form a through hole for the pipeline to pass through. Figure 4 As shown, the side where the first plate body 5 and the second plate body 6 are spliced ​​together is provided with two slots respectively located on both sides of the first semicircular groove 7, and the side where the second plate body 6 and the first plate body 5 are spliced ​​together is provided with two pins 11 arranged one-to-one corresponding to the slots, and the pins 11 are inserted in the slots opposite thereto to ensure that the first plate body 5 and the second plate body 6 are at the same height.

[0030] The cross-sectional shape of the clearance hole 4 is the same as that of the support plate and the clearance between the two is matched. The first semicircular groove 7 and the second semicircular groove 8 are equal in size and are arranged opposite to each other. During installation, the first plate body 5 and the second plate body 6 are surrounded on the pipeline from the radial direction of the pipeline, and then the spliced ​​support plates are positioned in the clearance hole 4 through the positioning structure, which is very convenient to install.

[0031] like Figure 3 and Figure 4As shown, the positioning structure includes a limit stop edge 9 arranged on the inner side of the lower end of the clearance hole 4 and two spring pieces 10 arranged opposite to each other on the support plate, one of the spring pieces 10 is arranged on the first plate body 5, and the other spring piece 10 is arranged on the second plate body 6, and then the lower end surface of the support plate is abutted against the limit stop edge 9, and the spring piece 10 is hooked on the inner end surface of the cover plate.

[0032] The limit stopper 9 is arranged in sections along the circumference of the clearance hole 4 to limit the support plate to the lower position. The spring piece 10 is hooked on the inner end surface of the clearance hole 4 to limit the support plate to the upper position. Through the joint action of the limit stopper 9 and the spring piece 10, the support plate is positioned in the clearance hole 4.

[0033] In other embodiments, the slot is arranged on the second plate 6, and the latch 11 is arranged on the first plate 5, and the effect is the same. In another embodiment, both the latch 11 and the slot are arranged on the first plate 5, and both the latch 11 and the slot are arranged on the second plate 6, and the latch 11 of the first plate 5 is inserted into the slot of the second plate 6, and the latch 11 of the second plate 6 is inserted into the slot of the first plate 5.

[0034] like Figure 3 and Figure 4 As shown, the cover body 3 is connected to a decorative plate 12 by means of a buckle, and the decorative plate 12 has a clearance opening 13 arranged opposite to the clearance hole 4, and the upper part of the support plate extends into the clearance opening 13; the periphery of the support plate is provided with a limiting ring 14 located in the clearance opening 13, and the decorative plate 12 is pressed on the limiting ring 14. The limiting ring 14 is used to limit the separation of the first plate body 5 and the second plate body 6. The limiting ring 14 is positioned by the decorative plate 12, and the decorative plate 12 is connected to the cover body 3 by a buckle. In order to better press the limiting ring 14, as shown in FIG. Figure 4 As shown, the outer ring of the limiting ring 14 is provided with an annular retaining edge 15 , and the decorative plate 12 is pressed on the annular retaining edge 15 .

[0035] like Figure 4 As shown, a positioning column 16 is provided on the lower end face of the limit ring 14, and a positioning hole cooperating with the positioning column 16 is provided on the cover body 3. There are two positioning holes and they are symmetrically distributed along the center line of the clearance hole 4. There are two positioning columns 16 and they correspond one to one with the two positioning holes, so as to accurately control the position of the limit ring 14.

[0036] like Figure 4 As shown, slots 17 are respectively provided on both sides of the spring sheet 10, and the upper ends of the slots 17 are higher than the upper surface of the cover body 3. Due to the slots 17, when the support plate needs to be removed, the spring sheet 10 is pushed inward by extending the lever into the slots 17 to separate the spring sheet 10 from the cover plate.

[0037] like Figure 5As shown, the protection tube 1 includes a lower half tube 18 connected to the box body 2 as a whole and an upper half tube 19 buckled with the lower half tube 18. The upper part of the connection between the lower half tube 18 and the box body 2 is provided with a mounting notch 20. A connecting plate 21 is detachably installed in the mounting notch 20, and the upper half tube 19 is fixed on the connecting plate 21. The upper half tube 19 is removed before installing the pipeline, which is convenient for installation.

[0038] like Figure 5 As shown, the outer side of the box body 2 is provided with a T-shaped slot 22 extending along the depth of the box body 2, and a mounting foot 23 is installed in the T-shaped slot 22. Figure 6 As shown, the mounting leg 23 includes a mating plate 24 that fits in the T-slot 22 and a mounting plate 25 that is perpendicular to the mating plate 24, and the mounting plate 25 is provided with a second mounting groove 26 that extends along the width direction of the box body 2; a limiting rib 27 is provided at the opening of the box body 2, one end of the T-slot 22 extends to the limiting rib 27, and one side of the mounting plate 25 / the end of the mating plate 24 away from the mounting plate 25 rests on the limiting rib 27.

[0039] like Figure 6 As shown, the matching plate 24 is provided with a broken seam 28 extending along the length direction of the box body 2. The box body 2 is fixed to the wall by a plurality of mounting feet 23. When used on a wall without tiles, the mounting plate 25 is placed against the limiting retaining edge 27. At this time, the distance from the mounting plate 25 to the wall is small.

[0040] When used on a wall that needs to be tiled, the matching plate 24 is broken along the broken seam 28, and then the end of the matching plate 24 away from the installation plate 25 (i.e. the crack of the broken seam 28) is pressed against the limiting retaining edge 27 to reserve space for tiling.

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

Claims

1. A gas concealed box, comprising a box body (2) with a protective tube (1) at one end and a cover body (3) arranged on the box body (2), wherein a clearance hole (4) is provided on the cover body (3), characterized in that: A support plate is positioned in the clearance hole (4) by a positioning structure, and the support plate comprises a first plate body (5) and a second plate body (6) spliced ​​together, a first semicircular groove (7) is provided on the side where the first plate body (5) and the second plate body (6) are spliced ​​together, and a second semicircular groove (8) is provided on the side where the second plate body (6) and the first plate body (5) are spliced ​​together, and the first semicircular groove (7) and the second semicircular groove (8) constitute a through hole for a pipeline to pass through.

2. The gas concealed box according to claim 1, characterized in that: The positioning structure comprises a limit stop edge (9) arranged on the inner side of the lower end of the clearance hole (4) and two spring pieces (10) arranged on the support plate in opposite directions, wherein one spring piece (10) is arranged on the first plate body (5) and the other spring piece (10) is arranged on the second plate body (6). After installation, the lower end surface of the support plate is in contact with the limit stop edge (9) and the spring piece (10) is hooked on the inner end surface of the cover plate.

3. The gas concealed box according to claim 1, characterized in that: The side where the first plate body (5) and the second plate body (6) are spliced ​​together is provided with two slots respectively located on both sides of the first semicircular groove (7); the side where the second plate body (6) and the first plate body (5) are spliced ​​together is provided with two latches (11) arranged in one-to-one correspondence with the slots, and the latches (11) are inserted into the slots opposite thereto.

4. The gas concealed box according to claim 1, characterized in that: The cover body (3) is connected to a decorative plate (12) by means of a snap-fit, the decorative plate (12) having a clearance opening (13) arranged opposite to the clearance hole (4), the upper part of the support plate extending into the clearance opening (13); the outer periphery of the support plate is provided with a limiting ring (14) located in the clearance opening (13), and the decorative plate (12) is pressed on the limiting ring (14).

5. The gas concealed box according to claim 4, characterized in that: The outer ring of the limiting ring (14) is provided with an annular retaining edge (15), and the decorative plate (12) is pressed on the annular retaining edge (15).

6. The gas concealed box according to claim 4 or 5, characterized in that: The lower end surface of the limiting ring (14) is provided with a positioning column (16), and the cover body (3) has a positioning hole that matches the positioning column (16).

7. The gas concealed box according to claim 2, characterized in that: Slots (17) are respectively provided on both sides of the spring sheet (10), and the upper ends of the slots (17) are higher than the upper surface of the cover body (3).

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