CN216407810U

CN216407810U - Antifreezing valve

Info

Publication number: CN216407810U
Application number: CN202120766995.8U
Authority: CN
Inventors: 李子民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-04-29
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses an anti-freezing valve which comprises a valve body and a valve core, wherein the valve core is arranged on the inner side of the valve body, the lower part of the valve body is connected with a base, the lower part of the base is connected with a connector, the connector is connected with a water inlet pipe, a drainage channel and a water inlet hole are formed in the base, the upper part of the base is connected with the valve core, the valve core comprises a shunting piece, a shell, an adjusting piece and a rotary switch, the bottom of the shell is connected with the shunting piece, the shunting piece is connected with the base, the adjusting piece is arranged on the upper part of the shunting piece, the rotary switch is arranged on the upper part of the adjusting piece, the rotary switch is rotatably connected with the upper part of the shell, and a water inlet hole I and a water outlet hole I are formed in the adjusting piece and the shunting piece. According to the utility model, when the water pipe is easy to freeze in winter, the water in the water outlet pipe can penetrate into the external space through the second water outlet hole, the first water outlet hole and the water outlet channel in sequence by rotating the switch, so that the water in the water pipe is emptied after each water use, and the situations of freezing and frost cracking of the water pipe can be avoided.

Description

Antifreezing valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to an antifreezing valve.

Background

Tap water in northern rural areas is mostly arranged in courtyards, and tap water freezes in winter in the use process, so that the tap can not discharge water. At present, the following measures are taken to solve the problems: (1) the water facilities such as water pipes, water meters, water taps and the like exposed above the outdoor frozen soil layer can be bound and insulated by cotton-linen fabrics and plastic foams; (2) when the temperature is below-5 ℃, the water tap can be unscrewed, so that the water flow is linear, and the running water in the pipe is ensured to flow to prevent the pipeline from freezing and frost cracking.

The two modes have the problems of short service life, inconvenient construction and water resource waste. The problem of freezing of the water pipe cannot be solved well.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide an antifreezing valve, wherein a valve body is arranged on an antifreezing layer, a rotary handle is arranged above the ground, the rotary handle can discharge water in a pipeline between the valve body and the handle, and the water in a water outlet pipe sequentially passes through a drain hole II, a drain hole I and a drain channel to permeate into an external space in winter, so that the water in the water pipe is emptied after each water use, and the water pipe cannot be frozen or frozen and cracked.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a freeze-proof valve comprises a valve body and a valve core, wherein the valve core is arranged on the inner side of the valve body, the lower part of the valve body is connected with a base, the lower part of the base is connected with a connector, the connector is connected with a water inlet pipe, a drainage channel and a water inlet hole III are arranged on the base, the upper part of the base is connected with the valve core, the valve core comprises a flow dividing piece, a shell, an adjusting piece and a rotary switch, the bottom of the shell is connected with the flow dividing piece, the adjusting piece is arranged on the upper part of the flow dividing piece, the rotary switch is arranged on the upper part of the adjusting piece and is rotatably connected with the upper part of the shell, the adjusting piece and the flow dividing piece are provided with a water inlet hole I and a water outlet hole I, the hole positions on the adjusting piece and the flow dividing piece correspond to each other, a region between the water inlet hole I and the water outlet hole I is a water stop region, the bottom of the rotary switch is connected with a water flow control switch, the side wall of the shell is provided with a water outlet hole II and a water inlet hole II, the water inlet hole I and the water inlet hole III are communicated with the water inlet pipe, the first drain hole is communicated with the drain channel, the second drain hole is controlled by the rotary switch to be communicated with the first drain hole or the second water inlet hole is communicated with the first water inlet hole, and the upper part of the valve body is connected with the water outlet pipe.

The contact surface of the shunt part and the adjusting part is provided with a bulge, the adjusting part is provided with a groove, and the bulge is matched with the groove.

The top of the water outlet pipe is connected with a rotary handle, and the rotary handle is connected with a rotary switch through a control rod.

And sealing elements are arranged on the periphery of the first water inlet hole and the first water outlet hole on the flow dividing piece.

The shell is also connected with the valve body through a fixing piece.

The shell is connected with the fixing piece through a sealing ring I.

The valve body is positioned in a sand particle area of the soil non-freezing layer.

The rotary switch is connected with the shell through a second sealing ring.

The bottom of the shunt part is provided with a connecting bulge, and the connecting bulge is connected with the base through screws.

The water drainage channel is communicated with the outside of the valve body.

A filter screen is arranged outside the drainage channel.

The utility model has the beneficial effects that:

1) the water in the water outlet pipe can penetrate into an external space through the second drain hole, the first drain hole and the drain channel sequentially by rotating the switch when the water pipe is easy to freeze in winter, so that the water in the water pipe is emptied after each water use, and the situations of freezing and frost cracking of the water pipe cannot occur.

2) The steerable case of rotary switch opens into water in proper order, closes, the drainage, during intaking: the rivers control switch rotates the district of intaking, and the inlet tube is linked together with case inlet opening two, inlet opening one, inlet tube, when closing: the water flow control switch rotates to a water stop area, and when water is drained: the water flow control switch rotates to the first drain hole, the water inlet pipe is communicated with the first drain hole, the second drain hole and the drainage channel, normal use of the valve is not affected in summer through the structure, and after the valve is used in winter each time, the water flow control switch can rotate to the drainage position to drain water in a pipeline above the ground, so that the pipeline is prevented from being frozen.

3) The sealing element and the sealing ring can avoid water leakage and improve the safety of the valve body.

Drawings

FIG. 1 is an overall schematic view of an antifreeze valve of the present invention.

FIG. 2 is a schematic view of a valve core of an antifreeze valve of the present invention.

FIG. 3 is a schematic view of a valve core of an antifreeze valve of the present invention.

FIG. 4 is a schematic view of a valve core of an antifreeze valve of the present invention.

In the figure, 1, a handle is rotated; 2. a control lever; 3. a water outlet pipe; 4. a valve body; 5. a valve core; 6. a base; 7. a connector; 8. a rotary switch; 9. a second sealing ring; 10. a water flow control switch; 11. an adjustment member; 12. a water inlet hole I; 13. a flow divider; 14. a first drain hole; 15. a seal member; 16. sealing a first ring; 17. A housing; 18. a second drain hole; 19. a connecting projection; 20. a water stop zone; 21. a third water inlet hole; 22. a fixing member; 23. a water inlet hole II; 24. a drainage channel;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1, 2 and 3, an anti-freezing valve comprises a valve body 4 and a valve core 5, wherein the valve core 5 is arranged on the inner side of the valve body 4, the lower part of the valve body 4 is connected with a base 6, the lower part of the base 6 is connected with a connector 7, the connector 7 is connected with a water inlet pipe, a drain passage 24 and a water inlet hole III 21 are arranged on the base 6, the upper part of the base 6 is connected with the valve core 5, the valve core 5 comprises a flow dividing member 13, a shell 17, an adjusting member 11 and a rotary switch 8, the bottom of the shell 17 is connected with the flow dividing member 13, the flow dividing member 13 is connected with the base 6, the adjusting member 11 is arranged on the upper part of the flow dividing member 13, the rotary switch 8 is arranged on the upper part of the adjusting member 11, the rotary switch 8 is rotatably connected with the upper part of the shell 17, the adjusting member 11 and the flow dividing member 13 are provided with a water inlet hole I12 and a water outlet hole I14, the adjusting member 11 and the flow dividing member 13 are positioned correspondingly, and the water inlet hole I12 and the water outlet hole I14 are positioned as a water outlet area 20, the bottom of the rotary switch 8 is connected with the water flow control switch 10, the side wall of the shell 17 is provided with a second drain hole 18 and a second water inlet hole 23, the first water inlet hole 12 and the third water inlet hole 21 are communicated with the water inlet pipe, the first drain hole 14 is communicated with the drainage channel 24, the rotary switch 8 controls the second drain hole 18 to be communicated with the first drain hole 14 or the second water inlet hole 23 to be communicated with the first water inlet hole 12, and the upper part of the valve body 4 is connected with the water outlet pipe 3.

The contact surface of the shunt part 13 and the adjusting part 11 is provided with a bulge, the adjusting part 11 is provided with a groove, and the bulge is matched with the groove.

The top of the water outlet pipe 3 is connected with a rotary handle 1, and the rotary handle 1 is connected with a rotary switch 8 through a control rod 2.

The first water inlet hole 12 and the first water outlet hole 14 on the flow dividing member 13 are provided with sealing members 15 around.

The housing 17 and the valve body 4 are also connected by a fixing member 22.

The outer shell 17 and the fixing member 22 are also connected by a first seal ring 16.

The valve body 4 is positioned in a sand particle area of the soil non-freezing layer.

The rotary switch 8 is connected with the shell through a second sealing ring 9.

The bottom of the shunt 13 is provided with a connecting bulge 19, and the connecting bulge 19 is in screw connection with the base 6.

The drain passage 24 communicates with the outside of the valve body 4.

A filter screen is arranged outside the drainage channel 24.

When the water pipe is easy to freeze in winter, the water in the water outlet pipe 3 can penetrate into the external space through the second water outlet hole 18, the first water outlet hole 14 and the water outlet channel 24 in sequence by rotating the switch 8, so that the water in the water pipe is emptied after each water use, and the situation that the water pipe is frozen and frozen cracked cannot occur.

The rotary switch 8 can control the valve core 5 to be opened to water inlet, closed and drained in sequence, and when water is fed: the water flow control switch 10 rotates to the water inlet area, and the water inlet pipe is communicated with the valve core 5, the water inlet hole II 23, the water inlet hole I12 and the water inlet pipe, and when the valve is closed: the water flow control switch 10 rotates to the water stop area 20, and when water is drained: the water flow control switch 10 rotates to the first drain hole 14, the water inlet pipe is communicated with the first drain hole 14, the second drain hole 18 and the drainage channel 24, normal use of the valve is not affected in summer through the structure, and after the valve is used in winter each time, the water in a pipeline above the ground is drained from the switch 8 to the drainage position, so that the pipeline is prevented from being frozen.

The sealing element 15 and the sealing ring can avoid water leakage, and the safety of the valve body 4 is improved.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A freeze-proof valve comprises a valve body and a valve core, wherein the valve core is arranged on the inner side of the valve body, and is characterized in that the lower part of the valve body is connected with a base, the lower part of the base is connected with a connector, the connector is connected with a water inlet pipe, a drainage channel and a water inlet hole III are arranged on the base, the upper part of the base is connected with the valve core, the valve core comprises a flow dividing piece, a shell, an adjusting piece and a rotary switch, the bottom of the shell is connected with the flow dividing piece, the adjusting piece is arranged on the upper part of the flow dividing piece, the rotary switch is arranged on the upper part of the adjusting piece, the rotary switch is rotatably connected with the upper part of the shell, the adjusting piece and the flow dividing piece are provided with a water inlet hole I and a water outlet hole I, the hole positions on the adjusting piece and the flow dividing piece correspond to each other, an area between the water inlet hole I and the water outlet hole I is a water stop area, the bottom of the rotary switch is connected with a water flow control switch, the side wall of the shell is provided with a water outlet hole II and a water inlet hole II, the water inlet hole III are communicated with the water inlet pipe, the first drain hole is communicated with the drain channel, the second drain hole is controlled by the rotary switch to be communicated with the first drain hole or the second water inlet hole is communicated with the first water inlet hole, and the upper part of the valve body is connected with the water outlet pipe.

2. The antifreeze valve according to claim 1, wherein a projection is provided on a contact surface of the flow dividing member and the adjusting member, and a groove is provided on the adjusting member, the projection engaging with the groove.

3. The antifreeze valve according to claim 1, wherein the top of the outlet pipe is connected to a rotary handle, and the rotary handle is connected to the rotary switch via a control rod.

4. The antifreeze valve according to claim 1, wherein the first inlet port and the first drain port of the flow divider are provided with a sealing member around the inlet port and the first drain port.

5. The antifreeze valve of claim 1, wherein the housing is further connected to the valve body by a fixing member.

6. The antifreeze valve of claim 1, wherein the housing and the fixing member are further connected by a seal ring.

7. The antifreeze valve according to claim 1, wherein said valve body is located in a sandy soil particle area of a nonfreezable layer of soil.

8. The antifreeze valve according to claim 1, wherein the rotary switch is connected to the housing through a second seal ring.

9. The antifreeze valve according to claim 1, wherein the bottom of the flow divider has a connection protrusion, and the connection protrusion is screwed to the base.

10. The antifreeze valve according to claim 1, wherein a filter net is provided outside the drain passage.