CN106594376A - Anti-freezing device for tap water pipeline - Google Patents

Abstract

A water pipe anti-icing device is installed on the water pipe for use, and is mainly composed of a water valve, a spring, a regulating valve, a capsule and a capsule sleeve. When water in the capsule freezes, the volume of the ice expands to cause the capsule to stretch and lift the water valve, so that the water in the water pipe flows into a connector and then flows away from a drain pipe on the side of the connector, thereby generating a stream of live water in the water pipe, making the water pipe less likely to freeze and thus less likely to rupture.

Description

Anti-freezing device for tap water pipeline

technical field

The invention relates to a device capable of preventing freezing of tap water pipes.

Background technique

When the ambient temperature drops below zero in winter, water pipes or water meters often rupture due to freezing.

Cause a large amount of maintenance work, not only property loss is bigger, and maintenance cost is also higher, and maintenance is also comparatively difficult. Therefore, need to find a kind of device that can prevent running water pipeline from freezing.

Therefore, need to find a kind of device that can prevent running water pipeline from freezing.

Contents of the invention

The object of the present invention is to provide a device capable of preventing freezing of tap water pipes.

The technical solution of the present invention is: an anti-freezing device for tap water pipes, which is installed on the tap water pipes and is mainly composed of a water valve 1, a spring 2, a regulating valve 3, a capsule 4 and a capsule cover 5, and the capsule is elastic. Made of materials, the capsule is filled with water, the tap water pipe is provided with an outwardly protruding connector 6 connected with the tap water pipe, and an inward protruding flange 61 is provided at the connection between the connector and the tap water pipe, and the water valve is formed by a water valve cone. The water valve cone is located in the water pipe, the water valve stem is inserted into the inner hole of the connector from the water pipe, and the end of the flange located in the water pipe forms a tight fit with the water valve cone of the water valve. , the spring is set on the water valve stem, and an adjustment hole is arranged on the water valve stem. The adjustment valve is composed of an adjustment valve head and an adjustment rod. One end of the valve is against the flange, the other end is against the regulating valve head of the regulating valve, the capsule is put into the capsule sleeve, and then the capsule sleeve is screwed to the connector, so that the end of the capsule facing the water valve withstands the adjustment of the regulating valve. The valve head, when the water freezes, the capsule stretches and pushes the regulating valve toward the direction of the water valve, the regulating valve overcomes the pressure of the spring and compresses the spring, the regulating valve pushes the water valve to move into the tap water pipe, and the water valve cone of the water valve leaves the protrusion edge, the water in the tap water pipe flows into the connector from the inner hole of the flange; a drain pipe 62 is provided on the side of the connector;

A plurality of ventilation holes 51 are arranged on the capsule cover.

The spring is a tower spring, the bottom of the tower is against the flange, and the top of the tower is against the regulating valve head of the regulating valve.

The air holes are elongated holes or round holes.

When the water in the capsule is in liquid state, the diameter of the capsule is 1-3mm smaller than the diameter of the inner hole of the capsule sleeve. When the water in the capsule freezes, the capsule can only extend towards the direction of the water valve due to the limitation of the capsule sleeve. .

Beneficial effect

1. When the water in the capsule freezes, the volume of the ice expands to make the capsule elongate and push up the water valve, so that the water in the tap water pipe flows into the connector, and then flows away from the drain pipe on the side of the connector, so that the tap water pipe A flow of running water is generated in the water, so that the tap water pipes are not easy to freeze, so that it is not easy to rupture.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is exploded figure of the present invention;

Fig. 3 is the cross-sectional schematic diagram when the water in the capsule of the present invention does not freeze;

Fig. 4 is a schematic cross-sectional view when the water in the capsule of the present invention freezes.

detailed description

As shown in Figures 1 to 4, a tap water pipeline anti-icing device is installed on the tap water pipeline and mainly consists of a water valve 1, a spring 2, a regulating valve 3, a capsule 4 and a capsule cover 5. In actual application, in order to prevent the water meter from being broken due to freezing, the anti-freezing device of the tap water pipeline is installed downstream of the water meter, or installed at the front end of the water outlet tap.

The capsule is made of elastic material, such as elastic rubber. The capsule is full of water, and the tap water pipeline is provided with an outwardly protruding connector 6 connected with the tap water pipeline, and an inwardly protruding flange 61 is provided at the connection between the connector and the tap water pipeline, and the water valve is composed of a water valve cone and a water valve. The valve stem is composed of a water valve cone located in the tap water pipe, the water valve stem is inserted into the inner hole of the connector from the tap water pipe, the end of the flange located in the tap water pipe forms a tight fit with the water valve taper of the water valve, and the spring sleeve On the water valve stem, there is a regulating hole on the water valve stem. The regulating valve is composed of a regulating valve head and a regulating rod. On the flange, the other end is against the regulating valve head of the regulating valve, the capsule is put into the capsule sleeve, and then the capsule sleeve is screwed to the connector, so that the end of the capsule facing the water valve is against the regulating valve head of the regulating valve, When the water freezes, the capsule stretches and pushes the regulating valve toward the water valve. The regulating valve overcomes the pressure of the spring to compress the spring, and the regulating valve pushes the water valve to move into the tap water pipe. The water in the pipeline flows into the capsule cover from the inner hole of the flange, and then flows out from the drain pipe 62 on the side of the connector. Because the water in the tap water pipeline is flowing, it is not easy to freeze, thereby preventing the tap water pipeline from freezing due to freezing. Crack occurs.

A plurality of ventilation holes 51 are arranged on the capsule cover. When the temperature of the environment drops below zero, the capsule is more likely to freeze earlier due to being positioned outside the tap water pipeline and directly contacting the air of the outside world. When the water in the capsule freezes, the volume of the ice in the capsule will expand. Due to the limit effect of the capsule sleeve, the capsule can only extend towards the direction of the tap water pipe, thereby pushing the regulating valve to the tap water pipe, and the regulating valve drives the water The valve moves into the water pipe, so that the water valve cone of the water valve leaves the flange, and a gap is created between the water valve cone and the flange, and the water in the water pipe flows into the connector from the inner hole of the flange. Blocked by the expanded capsule, the water that enters the connector and the capsule sleeve can only flow out from the drain pipe. Since the water flow in the tap water pipeline is in a flowing state, it is not easy to freeze, and thus it is not easy to rupture.

The air holes are elongated holes or round holes. When the water in the capsule is in liquid state, the diameter of the capsule is 1-3mm smaller than the diameter of the inner hole of the capsule sleeve. When the water in the capsule freezes, the capsule can only extend to both sides and is limited by the capsule sleeve. The capsule can only extend in the direction of the water valve.

The spring is a tower spring, the bottom of the tower is against the flange, and the top of the tower is against the regulating valve head of the regulating valve.

The above-mentioned embodiments are only used to illustrate and explain the purpose of the present invention, rather than to limit the present invention. Those of ordinary skill in the art may make various changes or substitutions within the essential scope of the present invention, which shall also belong to the present invention. scope of protection for inventions.

Claims (4)

1. a kind of water supply pipe anti-icing equipment, uses on water supply pipe, it is characterised in that：Mainly by water valve (1), spring (2), regulating valve (3), capsule (4) and capsule set (5) composition, capsule is the making of elastic material, capsule In be full of water, water supply pipe is provided with the union joint (6) connect with water supply pipe outwardly, in union joint and originally Waterpipe connectivity part is provided with inwardly projecting bead (61), and water valve is made up of water valve bullet and water valve stem, water valve taper position In water supply pipe, water valve stem enters in union joint endoporus from running water pipe trace interpolation, and bead is located in water supply pipe End and the water valve bullet of water valve form tight fit, and spring housing is provided with adjustment hole on water valve stem, on water valve stem, regulating valve by Valve head and adjusting rod composition are adjusted, the adjusting rod of regulating valve injects the adjustment hole on the water valve stem of water valve, and the one end for making spring is supported In bead, the other end is against on the regulation valve head of regulating valve, puts capsule into capsule set, then capsule set be connected head thread Connection, makes capsule that the regulation valve head of regulating valve is withstood towards one end of water valve, and when the water has frozen capsule is extended regulating valve to water The direction top of valve, regulating valve overcomes the pressure compression spring of spring, regulating valve to promote water valve to move into water supply pipe, water valve Water valve bullet leave bead, the water in water supply pipe enters union joint from bead endoporus stream；Row is provided with union joint side Water pipe (62)；Multiple air-vents (51) are provided with capsule set.

2. water supply pipe anti-icing equipment according to claim 1, it is characterised in that：Described spring is turriform bullet Spring, bottom of towe is against in bead, and tower top is against on the regulation valve head of regulating valve.

3. water supply pipe anti-icing equipment according to claim 1, it is characterised in that：Described air-vent is elongated hole Or circular hole.

4. water supply pipe anti-icing equipment according to claim 1, it is characterised in that：When the water in capsule is liquid When, the diameter of capsule is less than the diameter of bore 1-3mm of capsule set, when the water freezing in capsule, by the position-limiting action of capsule set, Capsule is set to extend to the direction of water valve.