Water outlet valve

Abstract

The water outlet valve comprises a shell and a blow-down valve, the shell comprises a valve cavity, an inlet and an outlet, the inlet is communicated with the outlet, the inlet and the outlet are respectively communicated with the valve cavity, an opening of the valve cavity is covered with an end cover, the end cover comprises an installation groove, the blow-down valve is installed in the installation groove, and the blow-down valve comprises a blow-down channel. And the blow-off channel and the valve cavity can be communicated or blocked. Due to the fact that the blow-down valve is integrated into the water outlet valve, the integrated design of the blow-down valve and the water outlet valve can be achieved, the size is reduced, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wall-mounted boilers, and more specifically, to a water outlet valve. Background Art

[0002] A sewage outlet is usually set in the water circuit of the wall-mounted boiler. When the wall-mounted boiler is used for a long time or is not used, the sewage in the internal pipe of the wall-mounted boiler can be discharged through the sewage pipe. The current sewage outlet is designed separately, which is not only inconvenient to use, but also not conducive to the design requirements of small-volume wall-mounted boilers. Therefore, it is urgently needed to improve this. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and to provide a water outlet valve. By integrating a sewage valve into the water outlet valve, not only can the integrated design of the sewage valve and the water outlet valve be realized to reduce the volume, but also the utility model is easy to use.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a water outlet valve, comprising a shell and a sewage valve, the shell comprising a valve cavity, an inlet and an outlet, the inlet and the outlet are connected, the inlet and the outlet are respectively connected with the valve cavity, the valve cavity opening is covered with an end cover, the end cover comprises a mounting groove, the sewage valve is installed in the mounting groove, the sewage valve comprises a sewage discharge channel, and the sewage discharge channel can be connected or blocked with the valve cavity.

[0006] Furthermore, the drain valve includes a first boss, the first boss is inserted into the mounting groove, a plurality of drain ports are provided on the side of the first boss, the drain ports are connected to the drain channel, and the drain valve can be moved so that the drain ports and the valve cavity can be connected or blocked through the sealing gasket.

[0007] Furthermore, a valve cavity outlet is provided between the valve cavity and the mounting groove, and the sealing gasket can block or detach from the valve cavity outlet.

[0008] Furthermore, the drain valve includes a convex column, and the sealing gasket is sleeved on the outer side of the convex column.

[0009] Furthermore, a plurality of spaced convex ribs are provided at the end of the first boss, the sewage outlet is the gap between two adjacent convex ribs, the end of the convex rib is connected to a connecting platform, one end of the boss is connected to the connecting platform and the other end is connected to the limiting platform, and the sealing gasket is located between the connecting platform and the limiting platform.

[0010] Furthermore, the first boss is threadedly connected to the mounting groove, a handle portion is provided on the side of the first boss away from the sewage outlet, the handle portion can abut the end of the mounting groove, a joint is provided on the end of the handle portion away from the first boss, and one end opening of the sewage channel is located at the end of the joint.

[0011] Furthermore, the shell and the end cover are fixed by a retaining spring, the end cover includes a second boss, the second boss is inserted into the valve cavity, a first socket is provided on the surface of the shell, a second socket corresponding to the first socket is provided in the second boss, and the retaining spring passes through the first socket and the second socket.

[0012] Furthermore, the valve cavity is communicated with the outlet end of the first connection port, and the inlet end of the first connection port is provided with a first installation cavity, in which a one-way valve is installed.

[0013] Furthermore, the shell includes a second connecting port and a valve port, the second connecting port is communicated with the valve port, and the valve cavity is able to communicate with the valve port.

[0014] Furthermore, a pressure relief valve is installed in the valve port, the valve cavity is unidirectionally connected to the valve port through a bypass valve, the second connecting port is located at one end of the valve cavity and a second installation cavity is provided, and the bypass valve is installed in the second installation cavity.

[0015] The beneficial effects of the utility model are:

[0016] 1. By threading the drain valve and the end cover, it is not only easy to disassemble and assemble the drain valve, but also can integrate the drain valve into the water outlet valve, which can effectively reduce the overall volume of the wall-mounted boiler and make the pipeline layout in the wall-mounted boiler more reasonable;

[0017] 2. When sewage discharge is not required, the sealing gasket blocks the valve cavity outlet. When sewage discharge is required, the sewage discharge valve can be rotated and moved by twisting the sewage discharge valve, so that the sealing gasket is separated from the valve cavity outlet. At this time, the valve cavity outlet is connected with the sewage discharge port. At this time, the water in the valve cavity can flow out of the valve cavity outlet into the sewage discharge port, and finally be discharged from the sewage discharge channel. The sewage discharge operation is realized by rotating the sewage discharge valve, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the main view of the water outlet valve;

[0019] Figure 2 is a cross-sectional view of the water outlet valve;

[0020] Figure 3 for Figure 2 A magnified view at point A;

[0021] Figure 4 This is the exploded view of the water outlet valve;

[0022] Figure 5 It is the structural diagram of the sewage valve.

[0023] Figure numerals: 1. Shell; 11. Valve cavity; 12. Inlet; 13. Outlet; 14. First connecting port; 15. Second connecting port; 16. First mounting cavity; 17. Second mounting cavity; 18. First plug hole; 19. Valve port; 2. Drain valve; 21. Drain channel; 22. Drain port; 23. First boss; 24. Raised rib; 25. Connecting platform; 26. Boss; 27. Limiting platform; 28. Handle; 29. ​​Connector; 3. End cover; 31. Mounting groove; 32. Valve cavity outlet; 33. Second boss; 34. Second plug hole; 4. Retaining spring; 5. Sealing gasket; 6. Pressure relief valve; 7. One-way valve; 8. Bypass valve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 5 As shown, a water outlet valve includes a shell 1 and a drain valve 2, the shell 1 includes a valve cavity 11, an inlet 12 and an outlet 13, the inlet 12 and the outlet 13 are connected, and the inlet 12 and the outlet 13 are connected with the valve cavity 11 respectively. When in use, hot water can flow into the valve cavity 11 from the inlet 12 and flow out from the outlet 13. The shell 1 includes a first connecting port 14, the valve cavity 11 is connected with the outlet end of the first connecting port 14, and the inlet end of the first connecting port 14 is provided with a first installation cavity 16, and a one-way valve 7 is installed in the first installation cavity 16. The hot water flowing into the valve cavity 11 can flow out from the first connecting port 14 through the one-way valve 7. By setting the one-way valve 7, one-way communication can be achieved to prevent water at the outlet end of the first connecting port 14 from flowing back into the valve cavity 11.

[0026] The housing 1 includes a second connection port 15 and a valve port 19. The second connection port 15 is connected to the valve port 19. A pressure relief valve 6 is installed in the valve port 19. The pressure relief valve 6 can relieve the water in the second connection port 15 to prevent excessive water pressure from affecting the pipeline.

[0027] The valve cavity 11 is communicable with the valve port 19. Specifically, the valve cavity 11 is unidirectionally communicated toward the valve port 19 through the bypass valve 8. The second connecting port 15 is located at one end of the valve cavity 11 and is provided with a second installation cavity 17. The bypass valve 8 is installed in the second installation cavity 17. The bypass valve 8 can relieve the pressure of water in the valve cavity 11. When the water pressure in the valve cavity 11 is too high, the bypass valve 8 opens, and the water in the valve cavity 11 flows from the bypass valve 8 into the second connecting port 15.

[0028] The opening of the valve cavity 11 is covered with an end cover 3, and the shell 1 and the end cover 3 are fixed by a retaining spring 4. The end cover 3 includes a second boss 33, and the second boss 33 is inserted into the valve cavity 11. The second boss 33 is sealed with the inner wall of the valve cavity 11. A first plug hole 18 is provided on the surface of the shell 1, and a second plug hole 34 corresponding to the first plug hole 18 is provided in the second boss 33. The retaining spring 4 passes through the first plug hole 18 and the second plug hole 34. The retaining spring 4 connects the shell 1 and the end cover 3 by means of a latch, which not only has good connection reliability, but also is convenient for disassembly and assembly.

[0029] The end cover 3 includes a mounting groove 31, and the drain valve 2 is installed in the mounting groove 31. The drain valve 2 includes a first boss 23, and the first boss 23 is threadedly connected to the mounting groove 31. By threading the drain valve 2 and the end cover 3, it is not only convenient to disassemble and assemble the drain valve 2, but also the drain valve 2 can be integrated into the water outlet valve, which can effectively reduce the overall volume of the wall-mounted boiler and make the pipeline layout in the wall-mounted boiler more reasonable.

[0030] The drain valve 2 includes a drain channel 21, which can be connected to or blocked from the valve cavity 11. Specifically, the first boss 23 is inserted into the mounting groove 31, and a plurality of drain ports 22 are provided on the side of the first boss 23. The drain ports 22 are connected to the drain channel 21. The drain valve 2 can be moved so that the drain ports 22 can be connected to or blocked from the valve cavity 11 through the sealing gasket 5. A valve cavity outlet 32 ​​is provided between the valve cavity 11 and the mounting groove 31, and the sealing gasket 5 can block or disengage from the valve cavity outlet 32. The drain valve 2 includes a boss 26, and the sealing gasket 5 is sleeved on the outside of the boss 26. A plurality of convex ribs 24 are provided at intervals at the end of the first boss 23. The drain port 22 is a gap between two adjacent convex ribs 24. A connecting platform 25 is connected to the end of the convex rib 24. One end of the boss 26 is connected to the connecting platform 25 and the other end is connected to the limiting platform 27. The sealing gasket 5 is located between the connecting platform 25 and the limiting platform 27.

[0031] like Figure 3As shown, when sewage does not need to be discharged, the sealing gasket 5 blocks the valve cavity outlet 32. When sewage needs to be discharged, the sewage valve 2 can be rotated and moved by twisting the sewage valve 2, so that the sealing gasket 5 is separated from the valve cavity outlet 32. At this time, the valve cavity outlet 32 ​​is connected with the sewage outlet 22. At this time, the water in the valve cavity 11 can flow out from the valve cavity outlet 32 ​​and enter the sewage outlet 22, and finally be discharged from the sewage channel 21. The sewage discharge operation is realized by rotating the sewage valve 2, and the operation is convenient.

[0032] A handle portion 28 is provided on the side of the first boss 23 away from the sewage outlet 22. The handle portion 28 can abut against the end of the installation groove 31. The handle portion 28 is non-circular. By providing the handle portion 28, it is convenient for the user to turn the sewage valve 2. A joint 29 is provided at one end of the handle portion 28 away from the first boss 23. One end opening of the sewage channel 21 is located at the end of the joint 29. The joint 29 is a pagoda joint. A sewage pipe can be connected at the joint 29, thereby facilitating sewage discharge operations.

[0033] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A water outlet valve, characterized in that: The invention comprises a housing (1) and a sewage valve (2), wherein the housing (1) comprises a valve cavity (11), an inlet (12) and an outlet (13), wherein the inlet (12) and the outlet (13) are connected, and the inlet (12) and the outlet (13) are respectively connected to the valve cavity (11), and an end cover (3) is covered at the opening of the valve cavity (11), wherein the end cover (3) comprises a mounting groove (31), and the sewage valve (2) is mounted in the mounting groove (31), and the sewage valve (2) comprises a sewage discharge passage (21), and the sewage discharge passage (21) can be connected to or blocked from the valve cavity (11).

2. A water outlet valve according to claim 1, characterized in that: The sewage valve (2) comprises a first boss (23), the first boss (23) is inserted into the mounting groove (31), a plurality of sewage outlets (22) are provided on the side of the first boss (23), the sewage outlets (22) are connected to the sewage channel (21), and the sewage valve (2) can be moved so that the sewage outlets (22) and the valve cavity (11) can be connected or blocked through the sealing gasket (5).

3. A water outlet valve according to claim 2, characterized in that: An outlet of the valve cavity (11) is provided between the valve cavity (11) and the mounting groove (31), and the sealing gasket (5) is capable of blocking or detaching from the outlet of the valve cavity (11).

4. A water outlet valve according to claim 2, characterized in that: The sewage valve (2) comprises a convex column (26), and the sealing gasket (5) is sleeved on the outside of the convex column (26).

5. A water outlet valve according to claim 4, characterized in that: The end of the first boss (23) is provided with a plurality of spaced convex ribs (24); the sewage outlet (22) is a gap between two adjacent convex ribs (24); the end of the convex rib (24) is connected to a connecting platform (25); one end of the convex column (26) is connected to the connecting platform (25) and the other end is connected to a limiting platform (27); the sealing gasket (5) is located between the connecting platform (25) and the limiting platform (27).

6. A water outlet valve according to claim 2, characterized in that: The first boss (23) is threadedly connected to the mounting groove (31); a handle portion (28) is provided on a side of the first boss (23) away from the sewage outlet (22); the handle portion (28) is capable of abutting against an end of the mounting groove (31); a joint (29) is provided on an end of the handle portion (28) away from the first boss (23); and an opening at one end of the sewage channel (21) is located at the end of the joint (29).

7. A water outlet valve according to claim 1, characterized in that: The housing (1) and the end cover (3) are fixed by a retaining spring (4); the end cover (3) comprises a second boss (33); the second boss (33) is inserted into the valve cavity (11); a first insertion hole (18) is provided on the surface of the housing (1); a second insertion hole (34) corresponding to the first insertion hole (18) is provided in the second boss (33); and the retaining spring (4) passes through the first insertion hole (18) and the second insertion hole (34).

8. A water outlet valve according to claim 1, characterized in that: The housing (1) comprises a first connecting port (14), the valve cavity (11) is in communication with an outlet end of the first connecting port (14), a first installation cavity (16) is provided at an inlet end of the first connecting port (14), and a one-way valve (7) is installed in the first installation cavity (16).

9. A water outlet valve according to claim 1, characterized in that: The housing (1) comprises a second connecting port (15) and a valve port (19); the second connecting port (15) is in communication with the valve port (19); and the valve cavity (11) is capable of communicating with the valve port (19).

10. A water outlet valve according to claim 9, characterized in that: A pressure relief valve (6) is installed in the valve port (19); the valve cavity (11) is unidirectionally connected to the valve port (19) via a bypass valve (8); the second connecting port (15) is located at one end of the valve cavity (11) and is provided with a second installation cavity (17); the bypass valve (8) is installed in the second installation cavity (17).

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