Concealed valve device

Abstract

The utility model belongs to the field of valve technology, and discloses a concealed valve device. The concealed valve device includes a box body, a valve and a connecting pipe, the valve includes a valve body, the valve body is arranged in the box body, and the connecting pipe is at least partially located outside the box body. The concealed valve device also includes a quick-insert connector, one end of the quick-insert connector is quick-insert connected to the valve body, and the other end of the quick-insert connector is tightly connected to the connecting pipe. Through the quick-insert connection between the quick-insert connector and the valve body, the quick assembly of the quick-insert connector and the valve body is realized, and the connecting pipe is connected to the end of the quick-insert connector extending outside the box body, and there is no need to use tools to perform cumbersome operations inside the box body, and the operation can be performed outside the box body, which is not limited by the space of the box body, and the installation is more convenient and quick, saving time and effort.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a concealed valve device. Background Art

[0002] In order to ensure aesthetics, some pipelines in residents' homes, such as gas pipelines and liquid pipelines, are directly buried in the wall, and the valves on the pipelines also use concealed valve devices, that is, the valves are installed in a box. During the actual installation, a groove is first made in the wall, and then the box is installed in the wall groove, and then the valve is encapsulated in the box, and finally the valve body is connected to a section of connecting pipe at the end of the pre-buried pipeline to achieve fluid transportation. In the prior art, the connecting pipe is usually threadedly connected to the valve body, and the valve body is located in the box. Therefore, when screwing the connecting pipe, it is necessary to insert a wrench into the shell for screwing operation, but the internal space of the box is small, which makes the operation inconvenient, time-consuming and labor-intensive.

[0003] Therefore, there is an urgent need to provide a concealed valve device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a concealed valve device, which can solve the technical problem of inconvenient operation during installation of connecting pipes.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A concealed valve device comprises a box body, a valve and a connecting pipe, wherein the valve comprises a valve body, the valve body is arranged inside the box body, and the connecting pipe is located outside the box body. The concealed valve device also comprises a quick-insert connector, one end of the quick-insert connector is quick-insert connected to the valve body, and the other end of the quick-insert connector extends outside the box body and is tightly connected to the connecting pipe.

[0007] As an optional solution, the valve body has an interface that cooperates with the quick-plug connector, and the concealed valve device also includes a retaining ring. A receiving groove is provided on the outer peripheral side of the quick-plug connector, and a limiting groove is provided on the inner side wall of the interface at a position corresponding to the receiving groove. Part of the retaining ring is simultaneously accommodated in the limiting groove and the receiving groove to limit the quick-plug connector in the valve body.

[0008] As an optional solution, two sockets are provided through the side wall of the interface, each of the sockets is connected to the limiting groove on the corresponding side, the retaining ring has two free ends, the free ends of the retaining ring can be inserted into the limiting groove and the accommodating groove through the corresponding sockets, and part of the retaining ring is exposed outside the sockets.

[0009] As an optional solution, a limiting column is provided on the inner side of the box body, and the limiting column can abut against the portion of the retaining ring exposed outside the insertion hole.

[0010] As an optional solution, the box body includes a box body and a box cover that are connected to each other, the valve body is located in the box body and fixedly connected to the box cover, the valve also includes a valve stem and a handwheel, one end of the valve stem is connected to the valve body, and the other end is connected to the handwheel, and the handwheel extends out of the box cover.

[0011] As an optional solution, the concealed valve device further comprises an outer cover, which can be buckled on the outside of the box cover in an openable and closable manner to cover the hand wheel.

[0012] As an optional solution, a connecting column is provided on the inner side of the box cover, one end of the connecting column is fixedly connected to the box cover, and the other end forms a free end and is provided with a threaded hole. A lug corresponding to the connecting column is provided on the valve body, and a through hole is provided on the lug. The concealed valve device also includes a fastening bolt, which passes through the through hole and is threadedly connected to the threaded hole.

[0013] As an optional solution, a sealing groove is provided on the outer circumference of the quick-connect connector, and a sealing member is disposed in the sealing groove.

[0014] As an optional solution, the valve body includes a main pipe and two branch pipes connected to the main pipe, the free ends of the two branch pipes are respectively quickly connected with the quick-insert connectors, the main pipe is a straight pipe, the two branch pipes are respectively arranged perpendicular to the branch pipes, and the two branch pipes are arranged in parallel.

[0015] As an optional solution, the connecting pipe includes a bellows and nuts connected to both ends of the bellows, wherein one of the nuts is threadedly connected to the quick-connect connector.

[0016] Beneficial effects of the utility model:

[0017] The utility model provides a concealed valve device. When installing, firstly, one end of the quick-insert connector is connected to the valve body, then the valve body assembled with the quick-insert connector is encapsulated in the box body, and finally, the end of the quick-insert connector extending out of the box body is fastened and connected to the connecting pipe. Through the quick-insert connection between the quick-insert connector and the valve body, the quick assembly of the quick-insert connector and the valve body is realized, and the connecting pipe is connected to the end of the quick-insert connector extending out of the box body, and there is no need to use tools to perform cumbersome operations inside the box body, and the operation can be performed outside the box body, which is not limited by the space of the box body, and the installation is more convenient and quick, saving time and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a structural schematic diagram of the concealed valve device provided by the utility model;

[0019] Figure 2 This is a cross-sectional view of the concealed valve device provided by the utility model. Figure 1 ;

[0020] Figure 3 This is a cross-sectional view of the concealed valve device provided by the utility model. Figure 2 ;

[0021] Figure 4 It is a schematic diagram of the cooperation between the quick-insert connector and the connecting pipe provided by the utility model;

[0022] Figure 5 It is a cross-sectional view of the valve provided by the utility model;

[0023] Figure 6 It is a structural schematic diagram of the valve provided by the utility model;

[0024] Figure 7 It is a schematic diagram of the matching of the valve and the connecting pipe provided by the utility model;

[0025] Figure 8 It is a structural schematic diagram of a box cover provided by the utility model.

[0026] In the figure:

[0027] 10. Box body; 11. Box body; 12. Box cover; 13. Limiting column; 14. Connecting column; 141. Threaded hole; 15. Connecting bolt;

[0028] 20. Valve; 21. Valve body; 211. Main pipe; 212. Branch pipe; 2121. Limiting groove; 2122. Socket; 2123. Interface; 213. Lug; 2131. Through hole; 22. Valve stem; 23. Hand wheel; 24. Valve cover; 25. Valve ball; 26. Valve seat;

[0029] 30. Quick-connect connector; 31. Accommodation groove; 32. Sealing groove; 33. Sealing element; 34. Limiting step;

[0030] 40. retaining ring; 50. connecting pipe; 51. bellows; 52. nut;

[0031] 60. Outer cover; 70. Fastening bolts. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] This embodiment provides a concealed valve device, which is embedded in a wall for use. The concealed valve device can be a control valve of a gas stove or a control valve of a water supply system. This embodiment is described by taking the concealed valve device as a control valve of a gas stove as an example, that is, the concealed valve device is embedded in the wall and installed between the gas inlet pipeline and the gas delivery pipe of the stove to control the flow and cutoff of the gas in the pipeline.

[0037] like Figures 1 to 3 As shown, the concealed valve device includes a box body 10, a valve 20 and a connecting pipe 50. The box body 10 is embedded in the wall. The valve 20 includes a valve body 21, which is arranged in the box body 10. The connecting pipe 50 is located outside the box body 10. The concealed valve device also includes a quick-plug connector 30. One end of the quick-plug connector 30 is quickly connected with the valve body 21. The other end of the quick-plug connector 30 extends out of the box body 10 and is tightly connected with the connecting pipe 50. Specifically, it is a threaded connection, which is convenient and quick to assemble, and the connection is stable and reliable. Figure 1 As shown, one side of the box body 10 is opened to avoid the quick-connect connector 30.

[0038] The concealed valve device provided in this embodiment is installed by firstly quickly connecting one end of the quick-insert connector 30 with the valve body 21, then encapsulating the valve body 21 with the quick-insert connector 30 in the box body 10, and finally fastening and connecting the end of the quick-insert connector 30 extending out of the box body 10 with the connecting pipe 50. The quick-insert connection between the quick-insert connector 30 and the valve body 21 realizes the quick assembly of the quick-insert connector 30 and the valve body 21, and the connecting pipe 50 is connected to the end of the quick-insert connector 30 extending out of the box body 10, without using tools to perform cumbersome operations inside the box body 10, and the operations can be performed outside the box body 10, which is convenient to operate, is not limited by the space of the box body 10, and is more convenient and quick to install, saving time and effort.

[0039] Specifically, Figure 3 and Figure 5 As shown, the valve body 21 includes a main pipe 211 and two branch pipes 212 connected to the main pipe 211, and each branch pipe 212 is provided with an interface 2123 at the free end, and each interface 2123 is connected with a quick-insert connector 30, and each quick-insert connector 30 is installed with a connecting pipe 50, one of the connecting pipes 50 is connected to the gas inlet pipeline buried in the wall, and the other connecting pipe 50 is connected to the stove gas pipeline buried in the wall. The connecting pipe 50 is connected to the gas inlet pipeline and the stove gas pipeline in advance, and they are pre-buried in the wall together.

[0040] In an optional embodiment, in combination Figures 3 to 5 The concealed valve device further includes a retaining ring 40, an outer peripheral side wall of the quick-insertion connector 30 is provided with a receiving groove 31, and a limiting groove 2121 is provided at a position corresponding to the receiving groove 31 on the inner side wall of the interface 2123, and a part of the retaining ring 40 is simultaneously accommodated in the limiting groove 2121 and the receiving groove 31 to limit the quick-insertion connector 30 in the valve body 21. When the quick-insertion connector 30 is installed in place, the receiving groove 31 and the limiting groove 2121 are connected to form a whole groove for accommodating part of the retaining ring 40. By providing the retaining ring 40, the quick-insertion connector 30 and the valve body 21 can be limited, so that the quick-insertion connector 30 is stably fixed in the valve body 21, and the quick-insertion connector 30 and the valve body 21 are prevented from being separated.

[0041] In an optional embodiment, if Figure 6 and Figure 7As shown, two jacks 2122 are provided on the side wall of each interface 2123, and each jack 2122 is connected to the limiting groove 2121 on the corresponding side, and each retaining ring 40 has two free ends, and the free end of the retaining ring 40 can be inserted into the limiting groove 2121 and the receiving groove 31 through the corresponding jack 2122, that is, the retaining ring 40 is similar to a U-shape or a semicircular shape, and part of the retaining ring 40 is inserted into the limiting groove 2121 and the receiving groove 31 at the same time to achieve the limiting effect, and part of the retaining ring 40 is exposed outside the jack 2122 and fits on the outer side wall of the branch pipe 212. The two free ends of each retaining ring 40 can be inserted into the limiting groove 2121 and the receiving groove 31 through the corresponding jack 2122, so as to limit the quick connector 30 in the valve body 21. With this arrangement, the installation of the retaining ring 40 is more convenient and quick. The limiting groove 2121 and the containing groove 31 may be annular grooves, or may be configured as two opposite arc grooves cooperating with the retaining ring 40 .

[0042] In an optional embodiment, if Figure 1 and 8 As shown, a limiting post 13 is provided on the inner side of the box body 10, and the limiting post 13 can abut against the part of the retaining ring 40 exposed outside the insertion hole 2122. The limiting post 13 abuts against the part of the retaining ring 40 exposed outside the insertion hole 2122, and plays a role in pressing the retaining ring 40 to prevent the retaining ring 40 from loosening and falling off, and avoids the quick plug connector 30 from loosening without limit and causing gas leakage, which is safer and more reliable.

[0043] Furthermore, if Figure 3 and Figure 4 As shown, two sealing grooves 32 are provided on the outer circumference of the quick connector 30, and a sealing member 33 is respectively accommodated in each sealing groove 32. When the quick connector 30 is plugged into the branch pipe 212, the sealing member 33 can ensure the airtightness between the two to prevent the valve 20 from leaking. The sealing member 33 can be an O-ring.

[0044] In an optional embodiment, if Figure 3 and Figure 4 As shown, a limiting step 34 is provided on the circumference of the quick connector 30, and the limiting step 34 can abut against the end face of the branch pipe 212. In the above arrangement, the limiting step 34 can play a limiting role. During the installation of the quick connector 30, when the limiting step 34 of the quick connector 30 abuts against the end face of the branch pipe 212, it means that the quick connector 30 is installed in place.

[0045] In an optional embodiment, if Figure 1 and Figure 2As shown, the box body 10 includes a box body 11 and a box cover 12 connected to each other, the valve body 21 is located in the box body 11 and fixedly connected to the box cover 12. In this embodiment, since the retaining ring 40 is located on the upper side, the limiting column 13 is arranged on the box cover 12. The box body 11 and the box cover 12 are fixedly connected by connecting bolts 15 at the four corners, thereby ensuring the connection stability between the box body 11 and the box cover 12, and convenient disassembly and assembly.

[0046] like Figure 2 As shown, the valve 20 also includes a valve stem 22, a hand wheel 23, a valve ball 25, a valve cover 24 and two valve seats 26. The valve cover 24 is threadedly connected to one end of the valve body 21 to block one end of the valve body 21. The two valve seats 26 are arranged in the valve body 21 at intervals. The valve ball 25 is arranged between the two valve seats 26. The two sides of the valve ball 25 are respectively pressed against the corresponding valve seats 26 to form a seal. One end of the valve stem 22 extends into the valve body 21 and is connected to the valve ball 25. The other end of the valve stem 22 is connected to the hand wheel 23. The hand wheel 23 and the valve stem 22 can be fixedly connected by a wire retaining ring 40. The hand wheel 23 extends out of the box cover 12 to facilitate the user to screw. By turning the hand wheel 23, the valve stem 22 and the valve ball 25 can be driven to rotate, thereby realizing the opening and closing of the valve 20 to control the flow and cutoff of the gas in the pipeline, and the operation is convenient.

[0047] However, the hand wheel 23 is exposed outside the box cover 12. If there is no safety protection, it is easy to cause accidental touch or operation, which may cause safety hazards and safety accidents.

[0048] In order to solve the above problem, in an optional embodiment, as Figure 2 As shown, the concealed valve device further includes an outer cover 60, which can be buckled on the outside of the box cover 12 to cover the hand wheel 23. The outer cover 60 can effectively protect the hand wheel 23 to prevent safety problems caused by accidental touch. Optionally, the outer cover 60 and the box cover 12 can be connected by snap connection, magnetic connection, or one-end hinge connection to facilitate the opening and closing of the outer cover 60.

[0049] In an optional embodiment, if Figure 2 , Figure 6 and Figure 8 As shown, a connecting column 14 is provided inside the box cover 12, one end of the connecting column 14 is fixedly connected to the box cover 12, and the other end forms a free end and is provided with a threaded hole 141. A lug 213 corresponding to the connecting column 14 is provided outside the valve body 21, and a through hole 2131 is provided on the lug 213. The concealed valve device also includes a fastening bolt 70, which is passed through the through hole 2131 and is threadedly connected to the threaded hole 141. In the above manner, the valve body 21 can be firmly connected to the box cover 12.

[0050] In this embodiment, Figure 8As shown, three connecting posts 14 are provided on the inner side of the box cover 12, and the three connecting posts 14 are arranged in a triangle. Figure 6 As shown, the valve body 21 is provided with three lugs 213 corresponding to the connection columns 14 one by one, so the valve body 21 and the box cover 12 are locked by three fastening bolts 70, thereby ensuring the connection stability between the valve body 21 and the box cover 12. In other embodiments, the number of the connection columns 14 and the lugs 213 can also be set to two, four or more, which can be flexibly set according to actual needs, and is not specifically limited here.

[0051] In an optional embodiment, if Figure 6 and Figure 7 As shown, the main pipe 211 is a straight pipe, and the two branch pipes 212 are respectively arranged perpendicular to the branch pipes 212, and the two branch pipes 212 are arranged in parallel. The valve body 21 has a compact structure and a reasonable layout, which can facilitate the regular arrangement of pipelines and save space.

[0052] In an optional embodiment, if Figure 1 and Figure 7 As shown, the connecting pipe 50 includes a bellows 51 and nuts 52 connected to both ends of the bellows 51, wherein one nut 52 is threadedly connected to the quick connector 30, and the other nut 52 is threadedly connected to the gas pipeline. The bellows 51 can be extended and retracted along its axial direction. When the connecting pipe 50 is connected to the quick connector 30, the bellows 51 can compensate for the installation error, so that it can be conveniently connected to one end of the quick connector 30.

[0053] In this embodiment, the installation sequence of the concealed valve device is roughly as follows:

[0054] 1) First, a groove is made in the wall, the box body 11 is embedded in the wall groove, and the pre-connected connecting pipe 50 and the gas inlet pipe, the connecting pipe 50 and the gas pipe of the stove are pre-buried in the wall;

[0055] 2) First, quickly connect the two quick-insert connectors 30 to the corresponding branch pipes 212 of the valve body 21 respectively, and then insert the retaining ring 40 at the insertion hole 2122 to limit the quick-insert connector 30 and the valve body 21; then, fasten the connecting column 14 of the box cover 12 to the lug 213 of the valve body 21 by the fastening bolt 70, and make the limiting column 13 on the inner side of the box body 10 abut against the retaining ring 40, so that the valve 20 and the box cover 12 are fixed as a whole, and then one end of the handwheel 23 is passed through the box cover 12 and fixedly connected to the valve stem 22; thereafter, the box cover 12 assembled with the valve 20 is installed on the box body 11 by the connecting bolts 15, and finally, the end of the quick-insert connector 30 extending outside the box body 10 is threadedly connected to the nut 52 of the connecting pipe 50.

[0056] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A concealed valve device, comprising a box body (10), a valve (20) and a connecting pipe (50), wherein the valve (20) comprises a valve body (21), the valve body (21) is arranged in the box body (10), and the connecting pipe (50) is located outside the box body (10), characterized in that: The concealed valve device further comprises a quick-insert connector (30), one end of which is quick-insertly connected to the valve body (21), and the other end of which extends out of the box body (10) and is tightly connected to the connecting pipe (50).

2. The concealed valve device according to claim 1, characterized in that: The valve body (21) has an interface (2123) that cooperates with the quick-connect connector (30), and the concealed valve device also includes a retaining ring (40). The outer peripheral side of the quick-connect connector (30) is provided with a receiving groove (31), and the inner side wall of the interface (2123) is provided with a limiting groove (2121) at a position corresponding to the receiving groove (31), and a part of the retaining ring (40) is simultaneously accommodated in the limiting groove (2121) and the receiving groove (31) to limit the quick-connect connector (30) in the valve body (21).

3. The concealed valve device according to claim 2, characterized in that: Two insertion holes (2122) are provided through the side wall of the interface (2123), each of the insertion holes (2122) is communicated with the limiting groove (2121) on the corresponding side, the retaining ring (40) has two free ends, the free ends of the retaining ring (40) can be inserted into the limiting groove (2121) and the containing groove (31) through the corresponding insertion holes (2122), and part of the retaining ring (40) is exposed outside the insertion holes (2122).

4. The concealed valve device according to claim 3, characterized in that: A limiting column (13) is arranged on the inner side of the box body (10), and the limiting column (13) can abut against the portion of the retaining ring (40) exposed outside the insertion hole (2122).

5. The concealed valve device according to any one of claims 1 to 4, characterized in that: The box body (10) comprises a box body (11) and a box cover (12) which are connected to each other, the valve body (21) is located in the box body (11) and is fixedly connected to the box cover (12), and the valve (20) further comprises a valve stem (22) and a hand wheel (23), one end of the valve stem (22) is connected to the valve body (21), and the other end is connected to the hand wheel (23), and the hand wheel (23) extends out of the box cover (12).

6. The concealed valve device according to claim 5, characterized in that: The concealed valve device further comprises an outer cover (60), and the outer cover (60) is buckled and arranged outside the box cover (12) in an openable and closable manner to cover the hand wheel (23).

7. The concealed valve device according to claim 5, characterized in that: A connecting column (14) is provided on the inner side of the box cover (12), one end of the connecting column (14) is fixedly connected to the box cover (12), and the other end forms a free end and is provided with a threaded hole (141); a lug (213) corresponding to the connecting column (14) is provided on the outside of the valve body (21), and a through hole (2131) is provided on the lug (213); the concealed valve device further comprises a fastening bolt (70), the fastening bolt (70) is passed through the through hole (2131) and is threadedly connected to the threaded hole (141).

8. The concealed valve device according to any one of claims 1 to 4, characterized in that: A sealing groove (32) is provided on the outer peripheral side of the quick-connect connector (30), and a sealing member (33) is accommodated in the sealing groove (32).

9. The concealed valve device according to any one of claims 1 to 4, characterized in that: The valve body (21) comprises a main pipe (211) and two branch pipes (212) connected to the main pipe (211); the free ends of the two branch pipes (212) are respectively connected to the quick-insert connectors (30); the main pipe (211) is a straight pipe; the two branch pipes (212) are respectively arranged perpendicular to the branch pipes (212), and the two branch pipes (212) are arranged in parallel.

10. The concealed valve device according to any one of claims 1 to 4, characterized in that: The connecting pipe (50) comprises a bellows (51) and nuts (52) connected to both ends of the bellows (51), wherein one of the nuts (52) is threadedly connected to the quick-connect connector (30).

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