CN210423731U

CN210423731U - Antifreezing valve

Info

Publication number: CN210423731U
Application number: CN201920989030.8U
Authority: CN
Inventors: 牟来满
Original assignee: Jiaxing Aidixi Heating And Ventilation Science & Technology Co ltd
Current assignee: Jiaxing Aidixi Heating And Ventilation Science & Technology Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-28
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an anti-freezing valve, including valve body and adjustable valve rod of installing in the valve body inner chamber, the valve body has water inlet interface, water outlet port, broken vacuum valve mouth and regulation valve port, water inlet interface passes through water supply connector and delivery pipe intercommunication, it has long tube socket to connect between water inlet interface and the water supply connector of valve body, the tip of valve rod corresponds water supply connector department and has connect case and special-shaped check washer, and this anti-freezing valve deepens the installation depth of anti-freezing valve on the wall through connecting long tube socket at the water inlet interface of valve body, because the wall body has effective heat preservation effect, therefore deepening the degree of depth of anti-freezing valve water inlet interface at the wall body can strengthen the frost resisting effect of anti-freezing valve; the round table-shaped special-shaped check gasket is additionally arranged at the valve core of the valve rod in the antifreezing valve, so that the sealing property of the valve core can be enhanced, and the effect of preventing water entering the valve body of the antifreezing valve from flowing backwards can be achieved, and therefore the water source in the water supply pipe is prevented from being polluted by the water flowing backwards.

Description

Antifreezing valve

Technical Field

The utility model relates to a water valve door technical field specifically is an anti-freeze valve.

Background

The antifreezing valve is used for preventing the domestic water system from freezing and preventing the water tank or the pipeline from being damaged due to freezing, and is mainly used for the domestic water systems of solar energy, heating and the like. In the frost valve of the prior art, the purpose of freezing resistance is achieved by ventilating the interior of the valve device through a vent valve after the main valve is closed, and air enters the interior of the valve and water in the interior of the valve is discharged from the discharge port.

In northern areas, in order to further achieve the anti-freezing effect, the water inlet end of the anti-freezing valve is usually buried in a wall body and communicated with a water supply pipeline, but the length of the water inlet end of the existing anti-freezing valve is limited, and the depth of the water supply pipeline buried in the wall body is limited, so that the heat insulation effect of the wall body on the anti-freezing valve and the water supply pipeline is greatly weakened; in addition, when cutting off water or closing the valve, intraductal negative pressure can lead to external water to get into, leads to intraductal quality of water to pollute, and prior art adopts and connects in addition anti-return valve to solve the problem, nevertheless can complicate the structure, and connecting valve also occupies great space, influences the result of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-freezing valve to solve the problem that the anti-freezing effect is influenced by the installation depth limitation of the anti-freezing valve proposed in the background art, and the existing frost valve does not have the problem of water pollution caused by backflow prevention, the frost valve is communicated with a water supply pipe after being buried in a wall body through a lengthened pipe seat and a water supply joint, the lengthened pipe seat can enable the frost valve to be buried in the wall body deeper, because the wall has effective heat preservation effect, especially in cold northern areas, every family is provided with warm air, the heat preservation effect of the wall is better, therefore, the water at the water supply pipe and the water supply joint is not easy to freeze, the water in the lengthened pipe seat is not easy to freeze, and the structure of the anti-freezing valve core can prevent the water in the valve body from not easy to flow back, and the surplus water can be discharged in time, and no water exists in the anti-freezing valve, so that the anti-freezing valve cannot be frozen or burst due to outdoor exposure.

In order to realize the above-mentioned purpose, the utility model provides a following technical scheme, a freeze-proof valve, including valve body and the adjustable valve rod of installing at the valve body inner chamber, the valve body have with the communicating interface of intaking of inner chamber, go out water connectors, broken vacuum valve mouth and regulation valve port, the interface of intaking is through supplying water joint and delivery pipe intercommunication, the interface of intaking of valve body has connect with the extension tube socket with supplying water between connecting, the valve rod stretches into and extends to in the extension tube socket from regulation valve port department, and the tip of this valve rod corresponds water joint department and has connect case and special-shaped check washer.

Preferably, the valve core is composed of a core body, a sealing gasket, a gasket seat and a self-tapping screw, the core body is fixed at the end part of the valve rod, the special-shaped non-return gasket and the gasket seat are sequentially sleeved on the core body, a limiting boss is integrally protruded at the position, corresponding to the special-shaped non-return gasket, of the core body, the special-shaped non-return gasket is limited on the core body through the limiting boss, the sealing gasket is fixed at the end part of the core body through the gasket seat and the self-tapping screw, and an O-shaped sealing ring is sleeved between the inner.

Preferably, the special-shaped non-return gasket is integrally in a circular truncated cone shape, one end of the special-shaped non-return gasket with the smaller radius faces the water supply joint end, the area of one end face of the special-shaped non-return gasket with the larger radius is consistent with the area of the cavity opening of the inner cavity of the lengthened pipe seat, the special-shaped non-return gasket can deform under the action of water pressure when water enters the special-shaped non-return gasket and can prevent water from flowing backwards after water stops flowing.

Preferably, the valve body is provided with a vacuum breaking valve core corresponding to the vacuum breaking valve port, a sealing gasket is arranged between the vacuum breaking valve core and the vacuum breaking valve port, the vacuum breaking valve core is provided with a cover cap, water entering the valve body can be discharged after the water is cut off by adjusting the vacuum breaking valve core, and the valve body is prevented from being frozen, blocked or cracked due to the fact that water is stored in the valve body of the anti-freezing valve, and the valve body is prevented from being damaged.

Preferably, the other end of valve rod stretches out from governing valve mouth department, and the valve rod department that this valve body corresponds governing valve mouth department is equipped with the valve rod seat, the valve rod is worn to establish the valve rod seat and is connected with the valve rod seat rotation, is equipped with the sealing washer between this valve rod and the valve rod seat, the valve rod is worn to establish the valve rod seat and is connected with adjustment handle, can adjust the position of valve rod tip case through adjustment handle, reaches the effect of intaking and cutting off the water then.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-freezing valve has the advantages that the lengthened pipe seat is connected and arranged at the water inlet interface of the valve body to deepen the installation depth of the anti-freezing valve on the wall, and the wall has an effective heat preservation effect, so that the depth of the water inlet interface of the anti-freezing valve on the wall is deepened, and the anti-freezing effect of the anti-freezing valve can be enhanced; meanwhile, the valve core of the valve rod in the antifreezing valve is additionally provided with the round table-shaped special-shaped check gasket, so that the sealing of the valve core can be enhanced, and the effect of preventing water entering the valve body of the antifreezing valve from flowing backwards can be achieved, so that the water source in the water supply pipe is prevented from being polluted by the water flowing backwards.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a sectional view and an exploded view of the valve core and the special-shaped check valve of the present invention.

In the figure: 1. the valve comprises a valve body, 1-1 parts of a water inlet interface, 1-2 parts of a water outlet interface, 1-3 parts of a vacuum breaking valve port, 1-4 parts of an adjusting valve port, 2 parts of a valve rod, 3 parts of a water supply joint, 4 parts of a lengthened valve seat, 5 parts of a valve core, 5-1 parts of a core body, 5-2 parts of a sealing gasket, 5-3 parts of a gasket seat, 5-4 parts of a self-tapping screw, 5-5 parts of a limiting boss, 5-6 parts of an O-shaped sealing ring, 6 parts of a special-shaped check gasket, 7 parts of a vacuum breaking valve core, 8 parts of a sealing gasket, 9 parts of a cover cap, 10 parts of a valve rod seat, 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the working principle is as follows: an anti-freezing valve comprises a valve body 1 and a valve rod 2 which is adjustably installed in an inner cavity of the valve body 1, wherein the valve body 1 is provided with a water inlet interface 1-1, a water outlet interface 1-2, a vacuum breaking valve port 1-3 and an adjusting valve port 1-4 which are communicated with the inner cavity, the water inlet interface 1-1 is communicated with a water supply pipe through a water supply connector 3, the inner cavity of the water supply connector 3 is a channel, a lengthened pipe seat 4 is connected between the water inlet interface 1-1 of the valve body 1 and the water supply connector 3, the valve rod 2 extends into the lengthened pipe seat 4 from the adjusting valve port 1-4, the end part of the valve rod 2 corresponding to the channel port of the water supply connector 3 is connected with a valve core 5 and a special-shaped non-return gasket 6, the valve core 5 can seal the channel port of the water supply connector, wherein the special-shaped non-return gasket 6 is integrally in a circular truncated cone shape, and, the end with the larger radius of the special-shaped non-return gasket 6 faces the direction of the valve body 1, the structure and the installation direction of the special-shaped non-return gasket 6 can lead the end with the larger radius of the special-shaped non-return gasket 6 to deform along the flow direction of water pressure when water enters, and the water can smoothly enter the valve body; after water is cut off, the end with the larger radius of the special-shaped non-return gasket 6 is opposite to the water flow direction, the special-shaped non-return gasket 6 cannot deform reversely, and then water can be prevented from flowing backwards; meanwhile, the diameter of the end with the larger radius of the special-shaped non-return gasket 6 is consistent with the diameter of the inner cavity of the lengthened pipe seat 4, so that the effect of flow guiding prevention can be achieved, the valve core 5 consists of a core body 5-1, a sealing gasket 5-2, a gasket seat 5-3 and a tapping screw 5-4, the core body 5-1 is fixed at the end part of the valve rod 2, the special-shaped non-return gasket 6 and the gasket seat 5-3 are sequentially sleeved on the core body 5-1, the core body 5-1 is integrally provided with a limiting boss 5-5 in a protruding way corresponding to the special-shaped non-return gasket 6, the special-shaped non-return gasket 6 is limited on the core body 5-1 through the limiting boss 5-5, and the sealing gasket 5-2 is fixed at the end part of the core body 5-1 through, and an O-shaped sealing ring 5-6 is sleeved between the core body 5-1 and the inner cavity of the valve body 1.

In addition, a vacuum breaking valve core 7 is arranged on the valve body 1 corresponding to the vacuum breaking valve ports 1-3, a sealing gasket 8 is arranged between the vacuum breaking valve core 7 and the vacuum breaking valve ports 1-3, a cover cap 9 is arranged on the vacuum breaking valve core 7, water entering the valve body 1 can be discharged after the water is cut off by adjusting the vacuum breaking valve core 7, and the valve body 1 is prevented from being damaged due to freezing and blocking or bursting caused by water storage in the valve body 1 of the anti-freezing valve; the other end of the valve rod 2 extends out of the adjusting valve port 1-4, a valve rod seat 10 is arranged at the position, corresponding to the adjusting valve port 1-4, of the valve body 1, the valve rod 2 penetrates through the valve rod seat 10 and is rotatably connected with the valve rod seat 10, a sealing ring 11 is arranged between the valve rod 2 and the valve rod seat 10, the valve rod 2 penetrates through the valve rod seat 10 and is connected with an adjusting handle 12, the position of a valve core 5 at the end part of the valve rod 2 can be adjusted through the adjusting handle 12, and the effects of water inlet and water cut-off are achieved.

The working principle is as follows: when water enters, the valve rod 2 of the anti-freezing valve is opened, so that the valve core 5 is far away from the water supply connector 3, therefore, water in a water supply pipe enters from the water supply connector 3, the special-shaped non-return gasket 6 deforms under the action of water pressure, and then the water flows out from the water outlet port 1-2 through the lengthened pipe seat 4; when stopping intaking, make case 5 seal water supply joint 3 department and prevent that the water in the water supply pipe from continuing to intake through governing valve pole 2, simultaneously, the structure of dysmorphism non-return gasket 6 can prevent that the water refluence in the valve body 1 and the extension tube socket 4 from water supply joint 3 department entering delivery pipe to combine the atmosphere pressure balance principle of broken vacuum valve core 7, with the water of the valve body 1 interior and the extension tube socket 4 from going out water interface 1-2 department and flowing, avoid having water in the valve body 1 and lead to the valve body to freeze or frost crack under the chilly condition of weather because of having water.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An anti-freezing valve comprises a valve body (1) and a valve rod (2) which is adjustably installed in an inner cavity of the valve body (1), wherein the valve body (1) is provided with a water inlet connector (1-1), a water outlet connector (1-2), a vacuum breaking valve port (1-3) and an adjusting valve port (1-4) which are communicated with the inner cavity, the water inlet connector (1-1) is communicated with a water supply pipe through a water supply connector (3), the anti-freezing valve is characterized in that a lengthened pipe seat (4) is connected between the water inlet connector (1-1) and the water supply connector (3) of the valve body (1), the valve rod (2) extends into the lengthened pipe seat (4) from the adjusting valve port (1-4), and a valve core (5) and a special-shaped non-return gasket (6) are connected at the end part of the valve rod (2) corresponding to the water supply connector.

2. The antifreeze valve according to claim 1, wherein the valve core (5) is composed of a core body (5-1), a sealing gasket (5-2), a gasket seat (5-3) and a tapping screw (5-4), the core body (5-1) is fixed at the end of the valve rod (2), the special-shaped non-return gasket (6) and the gasket seat (5-3) are sequentially sleeved on the core body (5-1), the core body (5-1) is integrally provided with a limiting boss (5-5) corresponding to the special-shaped non-return gasket (6), the special-shaped non-return gasket (6) is limited on the core body (5-1) through the limiting boss (5-5), and the sealing gasket (5-2) is fixed at the end of the core body (5-1) through the gasket seat (5-3) and the tapping screw (5-4), and an O-shaped sealing ring (5-6) is sleeved between the core body (5-1) and the inner cavity of the valve body (1).

3. The antifreeze valve according to claim 1 or 2, wherein the irregular non-return gasket (6) is in the shape of a circular truncated cone as a whole, one end of the irregular non-return gasket (6) with a smaller radius faces the water supply joint (3), and the area of one end face of the irregular non-return gasket (6) with a larger radius is consistent with the area of the cavity opening of the inner cavity of the lengthened pipe seat (4).

4. The antifreeze valve according to claim 3, wherein a vacuum breaking valve core (7) is arranged on the valve body corresponding to the vacuum breaking valve port (1-3), a sealing gasket (8) is arranged between the vacuum breaking valve core (7) and the vacuum breaking valve port (1-3), and a cap (9) is arranged on the vacuum breaking valve core (7).

5. The antifreeze valve according to claim 4, wherein the other end of the valve rod (2) extends from the adjusting valve port (1-4), a valve rod seat (10) is arranged on the valve body (1) corresponding to the valve rod (2) of the adjusting valve port (1-4), the valve rod (2) penetrates through the valve rod seat (10) and is rotatably connected with the valve rod seat (10), a sealing ring (11) is arranged between the valve rod (2) and the valve rod seat (10), and the adjusting handle (12) is connected to the valve rod (2) penetrating through the valve rod seat (10).