Concealed box and concealed valve for gas self-closing valve

Abstract

The fuel gas self-closing valve concealed installation box comprises a box body, and the box body is provided with an installation groove with an opening in one side; the cover plate is connected with the box body for opening and closing the opening of the mounting groove; the limiting seat is arranged in the mounting groove and comprises a seat body; the gland is connected to the limiting seat; wherein the seat body is provided with a limiting groove and a bayonet communicated with the limiting groove, the gland is arranged above the limiting groove, and a limiting area for accommodating the valve body of the self-closing valve is formed between the gland and the limiting groove. The limiting seat is additionally arranged to contain and limit the main body part of the valve body of the self-closing valve, the air inlet section and the air outlet section are clamped in the clamping opening of the limiting seat, then the self-closing valve is fixed, the gland is arranged to be connected with the limiting seat to achieve complete limiting of the self-closing valve, the installation stability is improved, meanwhile, the limiting seat is connected in the installation groove, and the installation stability is improved. And the box body, the self-closing valve and the limiting seat are relatively connected, so that the mounting stability is improved while the self-closing valve is hidden.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gas safety valves, in particular to a gas self-closing valve concealed box and concealed valve. BACKGROUND

[0002] The gas self-closing valve is installed on the low-pressure gas system pipeline, and can automatically close and manually open without electricity or other external power when the pipeline gas pressure appears underpressure or overpressure. With the continuous improvement of modern decoration aesthetics, the self-closing valve is gradually required to be hidden and pre-buried, and thus the concealed box product for pre-buried self-closing valve in the wall without affecting the normal use of the self-closing valve appears in the market.

[0003] The Chinese invention with publication number CN111425764A discloses a "concealed gas combination switch and installation process", which includes a bottom box, a box cover and a bottom plate, the self-closing valve is connected with the bottom plate, the bottom plate is connected with the bottom box, the box cover closes the opening of the bottom box and is provided with a through hole, the through hole can pass through the valve rod and the reset rod on the self-closing valve, and the box body is pre-buried and installed in the wall after the self-closing valve is connected with the box body, thereby improving the aesthetic appearance.

[0004] However, the installation of the self-closing valve in the box body in this structure is realized by connecting the fastener with the bottom plate, an additional base is needed to be arranged on the valve body of the self-closing valve, the base is connected with the bottom plate by the fastener to realize the installation of the self-closing valve, and the increase of the base on the self-closing valve firstly increases the manufacturing cost of the whole self-closing valve, and secondly the limiting stability of the self-closing valve in the bottom box is relatively low. Practical new type content

[0005] In order to improve the installation stability of the self-closing valve in the concealed box, the first purpose of the present application is to provide a gas self-closing valve concealed box.

[0006] The gas self-closing valve concealed box provided by the present application adopts the following technical scheme:

[0007] A gas self-closing valve concealed box, comprising:

[0008] A box body having a one-side opening installation slot;

[0009] A cover plate connected with the box body for opening and closing the opening of the installation slot;

[0010] A limiting seat arranged in the installation slot, the limiting seat comprising a seat body; and

[0011] A gland connected with the limiting seat;

[0012] The seat body is provided with a limiting slot and a bayonet connected to the limiting slot, and the gland is arranged above the limiting slot and forms a limiting area for accommodating the valve body of the self-closing valve with the limiting slot.

[0013] By adopting the above technical scheme, the gland and the limiting seat form a limiting area after being connected, the valve body of the self-closing valve can be accommodated in the limiting area, and the self-closing valve is fixed after the limiting seat is fixed in the installation slot. The combination of the limiting seat and the gland realizes the compression and limiting of the self-closing valve, which improves the stability of the installation of the self-closing valve itself without the need for additional structure of the valve body itself, thereby reducing the manufacturing cost.

[0014] Preferably, the limiting seat further comprises a guide frame extending outward from one side of the seat body, and the guide frame is connected with the cover plate.

[0015] By adopting the above technical scheme, the setting of the guide frame expands the connection range and flexibility of the limiting seat fixed in the installation slot.

[0016] Preferably, the guide frame is provided with two symmetrically distributed guide frames on both sides of the seat body, a plurality of countersunk holes are arranged on the gland, a fastener is rotatably connected in the countersunk hole, and one end of the fastener is threadedly connected with the guide frame.

[0017] By adopting the above technical scheme, the connection between the limiting seat and the gland is realized by using a plurality of fasteners. The countersunk hole can better hide the upper end part of the fastener, and the fastener can also rotate relative to the gland. During the rotation process, the threaded connection between the fastener and the guide frame can realize the lifting effect, and multiple fasteners can be independently connected, thereby adjusting the inclination angle of the entire limiting seat, which can facilitate the precision adjustment of the connection between the entire concealed box and the external gas pipeline.

[0018] Preferably, the box body is provided with a guide seat on the side wall of the installation slot, the limiting seat is provided with a guide slot on the side wall, and the guide seat is slidably connected in the guide slot.

[0019] By adopting the above technical scheme, the limiting seat is arranged in the installation slot, and the cooperation between the guide slot and the guide seat realizes the limiting in the horizontal direction, thereby better improving the stability during the installation of the self-closing valve.

[0020] Preferably, it further comprises a protective sleeve slidably connected on both sides of the box body.

[0021] By adopting the above technical scheme, the protective sleeve can be used for guiding the passage of the external pipeline, and the slidable protective sleeve can adjust the height difference between the pipeline and the box body. Under the premise that the position of the box body is unchanged, the connection of the pipeline is completed.

[0022] Preferably, sliding openings communicating with the mounting grooves are formed on two sides of the box body, and guide rails are arranged on the side walls of the sliding openings.

[0023] By adopting the above technical scheme, the cooperation of the guide rails and the sliding grooves improves the guiding property of the protective sleeve relative to the box body when displacement occurs.

[0024] Preferably, the decorative cover is further provided, and the gland is clamped in the decorative cover.

[0025] By adopting the above technical scheme, the decorative cover can hide the gland and play a protective role, and the aesthetic property is improved.

[0026] In order to improve the installation stability of the self-closing valve in the concealed box, the first object of the present application is to provide a concealed valve.

[0027] The concealed valve provided by the present application adopts the following technical scheme:

[0028] The concealed valve comprises a valve body, the valve body comprises a main body part and an air inlet section and an air outlet section connected to two ends of the main body part, and other features are that the concealed box of the gas self-closing valve is further provided, the main body part is clamped in the limiting area, and the air inlet section and the air outlet section are respectively limited in the clamping openings.

[0029] By adopting the above technical scheme, the self-closing valve is limited and pressed by the combination of the limiting seat and the gland, the installation stability of the self-closing valve itself is improved, and the valve body itself does not need to be additionally structured, thereby reducing the manufacturing cost.

[0030] In summary, the present application has at least one of the following beneficial technical effects:

[0031] 1. The main body part of the self-closing valve is accommodated by the limiting seat, the air inlet section and the air outlet section are clamped in the clamping openings of the limiting seat, thereby fixing the self-closing valve, the self-closing valve is completely limited by the limiting seat after being connected with the gland, the installation stability is improved, the limiting seat is connected in the mounting groove, thereby relatively connecting the box body, the self-closing valve and the limiting seat, hiding the self-closing valve while improving the installation stability;

[0032] 2. The guide groove formed in the limiting seat is matched with the guide seat arranged in the mounting groove, and the self-closing valve is slid relative to the box body by the threaded connection of the plurality of fasteners and the limiting seat, the box body is slidably connected with the protective sleeve, thereby adjusting the relative position of the self-closing valve in the box body when being connected with the pipeline, improving the flexibility during installation. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1Structure diagram of the gas self-closing valve concealed box in Example 1;

[0034] Figure 2 Structure diagram of the gas self-closing valve concealed box in Example 1;

[0035] Figure 3 Structure diagram of the connection between the limiting seat, the gland and the cover plate in Example 1;

[0036] Figure 4 Structure diagram of the decorative plate in Example 1;

[0037] Figure 5 Structure diagram of the cover plate in Example 1;

[0038] Figure 6 Structure diagram of the concealed valve in Example 2.

[0039] Explanation of reference numerals: 1, box body; 11, mounting groove; 12, sliding opening; 13, guide seat; 14, guide rail; 2, cover plate; 21, counterbore; 22, connecting groove; 3, limiting seat; 31, seat body; 311, limiting groove; 312, clamping opening; 313, guide groove; 32, guide frame; 4, gland; 41, accommodation opening; 5, protective sleeve; 51, tube body; 52, sliding plate; 521, sliding groove; 6, decorative cover; 61, clamping groove; 62, clamping block; 7, fastener; 8, self-closing valve; 81, valve body; 82, air inlet section; 83, air outlet section. DETAILED DESCRIPTION

[0040] The application will be further described below in conjunction with the accompanying drawings.

[0041] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of explanation and are not intended to limit the present application.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. Example 1

[0043] Figure 1 With Figure 2The structure of the gas self-closing valve concealed box is shown, which comprises a box body 1, a cover plate 2 connected with the box body 1, a limiting seat 3 and a gland 4 accommodated in the box body 1. The box body 1 has a mounting groove 11 with one side opening, and the cover plate 2 is connected with the box body 1 to close the opening. The limiting seat 3 is accommodated in the mounting groove 11 and connected with the cover plate 2, and the gland 4 is connected with the limiting seat 3, so that the box body 1, the cover plate 2, the limiting seat 3 and the gland 4 are relatively fixed.

[0044] The limiting seat 3 comprises a seat body 31 and guide frames 32 horizontally extending outward from both sides of the seat body 31, and the guide frames 32 are two and symmetrically distributed on both sides of the seat body 31. The seat body 31 has a limiting groove 311 with one side opening, and the two sides of the seat body 31 are also provided with clamping holes 312 communicating with the limiting groove 311. The gland 4 is arranged above the seat body 31, and a limiting area for limiting the self-closing valve 8 is formed between the gland 4 and the limiting groove 311.

[0045] The seat body 31 is provided with guide grooves 313 on the two side walls, and the mounting groove 11 is provided with guide seats 13 extending outward on the two side walls. The guide seats 13 can slide in the guide grooves 313, so that the limiting seat 3 can slide in the vertical direction relative to the box body 1. In order to reduce the mass of the box body 1, two guide seats 13 are arranged on one side wall of the mounting groove 11.

[0046] The concealed box further comprises a protective sleeve 5 slidably connected to the two sides of the box body 1, and the protective sleeve 5 comprises a tube body 51 and a sliding plate 52 connected to the tube body 51. The sliding plate 52 is provided with sliding grooves 521 on both sides. The box body 1 is provided with sliding openings 12 communicating with the mounting groove 11 on both sides, and guide rails 14 are arranged on the outer walls of the sliding openings 12. The guide rails 14 are arranged in the sliding grooves 521, so that the protective sleeve 5 can slide in the vertical direction relative to the box body 1.

[0047] In combination Figure 3 The cover plate 2 is provided with a plurality of countersunk holes 21 on the surface, and the positions of the countersunk holes 21 correspond to the positions of the guide frames 32. A fastener 7 is rotatably connected in the countersunk hole 21, and the fastener 7 is a screw. One end of the fastener 7 is threadedly connected with the guide frame 32, and a plurality of fasteners 7 can adjust the relative position of the limiting seat 3 in the box body 1 when they rotate relative to the cover plate 2. The gland 4 is also connected with the seat body 31 by using the fastener 7.

[0048] In combination Figure 4 With Figure 5 The concealed box further comprises a decorative cover 6, and the decorative cover 6 is provided with a clamping groove 61 on one end surface. The cover plate 2 can be accommodated in the clamping groove 61. The clamping groove 61 is further provided with a plurality of clamping blocks 62 on the side wall, and the cover plate 2 is provided with a plurality of connecting grooves 22 on the outer peripheral wall. The clamping blocks 62 can be clamped in the connecting grooves 22, so as to realize the connection between the decorative cover 6 and the cover plate 2. Embodiment two

[0049] Referring to Figure 6 A concealed valve comprises a self-closing valve 8 and the concealed box in Embodiment One. The self-closing valve 8 comprises a valve body 81, which comprises a main body part and an air inlet section 82 and an air outlet section 83 connected to the two sides of the main body part.

[0050] When the self-closing valve 8 is installed into the concealed box, the main body part is first clamped into the limiting groove 311, and the air inlet section 82 and the air outlet section 83 are clamped into the left and right clamping openings 312 respectively, thereby realizing the limiting of the self-closing valve 8 in the horizontal direction. The gland 4 has a clearance 41, when the gland 4 is connected with the seat body 31, part of the main body part can extend out of the clearance 41, at the same time, the gland 4 further limits the main body part in the vertical direction, thereby the whole self-closing valve 8 is completely limited. After the installation of the self-closing valve 8 is completed, the gas pipeline passes through the protective sleeve 5 and is connected with the air inlet section 82 and the air outlet section 83, the box body 1 is pre-buried in the wall surface, and the decorative plate is placed outside, which is overall beautiful.

[0051] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A gas self-closing valve recessed box, characterized in that, The utility model relates to a gas self-closing valve concealed box, which comprises a box body (1) with a mounting groove (11) with an open side, a cover plate (2) connected with the box body (1) for opening and closing the opening of the mounting groove (11), a limiting seat (3) provided in the mounting groove (11), the limiting seat (3) comprising a seat body (31), and a gland (4) connected with the limiting seat (3). The seat body (31) is provided with a limiting groove (311) and a clamping hole (312) connected with the limiting groove (311), the gland (4) is arranged above the limiting groove (311), and a limiting area for accommodating a valve body (81) of a self-closing valve (8) is formed between the gland (4) and the limiting groove (311). The limiting seat (3) further comprises a guide frame (32) extending outward from one side of the seat body (31), and the guide frame (32) is connected with the cover plate (2). The guide frame (32) is provided with two symmetrically distributed guide frames (32) on both sides of the seat body (31), a plurality of countersunk holes (21) are formed in the gland (4), a fastener (7) is rotatably connected in the countersunk hole (21), and one end of the fastener (7) is threadedly connected with the guide frame (32). The box body (1) is provided with a guide seat (13) on the side wall of the mounting groove (11), the limiting seat (3) is provided with a guide groove (313) on the side wall, and the guide seat (13) is slidably connected in the guide groove (313). The utility model further comprises a protective sleeve (5) slidably connected on both sides of the box body (1).

2. The gas self-closing valve escutcheon according to claim 1, characterized in that, The box body (1) is provided with a sliding opening (12) connected with the mounting groove (11) on both sides, the sliding opening (12) is provided with a guide rail (14) on the side wall, the protective sleeve (5) comprises a tube body (51) and a sliding plate (52) connected with the tube body (51), and the sliding plate (52) is provided with a sliding groove (521) for embedding the guide rail (14).

3. The gas self-closing valve escutcheon according to claim 2, wherein The utility model further comprises a decorative cover (6), and the gland (4) is clamped in the decorative cover (6).

4. The gas self-closing valve escutcheon of claim 1, wherein, The utility model further comprises the gas self-closing valve concealed box according to any one of claims 1-7, the main body part is clamped in the limiting area, and the air inlet section (82) and the air outlet section (83) are respectively limited in the clamping hole (312).

5. The gas self-closing valve escutcheon of claim 1, wherein, ​ 6. A gas self-closing valve escutcheon according to claim 5, wherein, ​ 7. The gas self-closing valve escutcheon of claim 1, wherein, ​ 8. A concealed valve comprising a valve body (81) including a main body portion and an inlet section (82) and an outlet section (83) connected to both ends of the main body portion, characterized in that, ​

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