CN215522078U - Anti-freezing valve and water heater applying same - Google Patents

Abstract

The utility model relates to an anti-freezing valve and a water heater using the same, wherein the anti-freezing valve comprises a valve body, a containing cavity is arranged in the valve body, and a water inlet, a water outlet and a water outlet which are communicated with the containing cavity are arranged on the valve body, and the anti-freezing valve is characterized in that: the valve also comprises a valve core with a water passing channel, the valve core can be movably arranged in the accommodating cavity, and a limiting piece arranged in the valve body and/or the valve core is used for limiting the valve core to move only between a first position or a second position, compared with the prior art, the valve has the advantages that: through integrated water inlet, delivery port and outlet on the valve body to set up the pipeline that can communicate with each mouthful on the case and under the limiting displacement of locating part, only need rotate the case and can realize the conversion of water supply and drainage function, only need during the installation install the device additional on the water inlet of water heater can, need not to change other structures of water heater, installation convenient to use.

Description

Anti-freezing valve and water heater applying same

Technical Field

The utility model relates to a valve for a water heater, in particular to an anti-freezing valve and a water heater applying the anti-freezing valve.

Background

The gas water heater is one of the necessary devices in daily life of people and is used for providing safe and comfortable hot water. Common gas water heaters can be classified into forced-ventilated type, flue type and balanced type according to the exhaust mode. In any water heater, when the residual water inside the water heater is solidified under low temperature conditions, the coil pipe inside the water heater is easily frozen and cracked, so that the gas water heater is damaged. Aiming at the problem of frost cracking of low-temperature pipelines, the conventional solutions at present comprise: electric heating method, and manual drainage method.

The electric heating method is that a heating resistor is used for heating the coil as the name suggests; but the electric heating has the defects of potential safety hazard on one hand and electric energy consumption on the other hand. The manual drain valve is to be used as a main body for manual drainage in time, so that the accidental water drainage exists, and the user experience and feeling are influenced.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide an antifreeze valve which is convenient for a user to operate in view of the above prior art.

The second technical problem to be solved by the present invention is to provide a water heater, which is applied with the above-mentioned anti-freezing valve and can make the outlet water temperature constant, in view of the above-mentioned prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the antifreezing valve comprises:

the valve body is internally provided with an accommodating cavity, and the valve body is provided with a water inlet, a water outlet and a water outlet which are communicated with the accommodating cavity;

the method is characterized in that: also comprises

The valve core is provided with a water passing channel and can be movably arranged in the accommodating cavity;

the limiting part is arranged in the valve body and/or the valve core and is used for limiting the valve core to move only between a first position or a second position, so that the following effects are achieved:

the water passing channel is in fluid communication with the water inlet and the water outlet when the valve core is in the first position, and is in fluid communication with the water outlet and the water outlet when the valve core is in the second position.

In order to enable the valve core to be more stably arranged at the first position or the second position so as to realize corresponding water inlet and water discharge, preferably, the valve body comprises an inlet end for the valve core to enter and an outlet end for the valve core to partially penetrate out, the limiting piece comprises a first limiting piece arranged on the valve core, and the valve core is located at the first position in a state that the first limiting piece is abutted against the inlet end of the valve body; and the valve core is positioned at a second position in a state that the first limiting piece is abutted against the outlet end of the valve body.

In order to better match the valve body and the valve core, so that the valve core is more stably arranged at the first position or the second position, preferably, the limiting member further includes a second limiting member arranged on the valve body, and the valve core can be located at the first position or the second position in a state where the second limiting member is matched with the first limiting member of the valve core.

The realization form of first locating part and second locating part can have the multiple, from simple structure and reduction processing cost's angle starting, preferably, the second locating part is including being located the second of the exit end of valve body is gone up spacing piece, spacing piece is for corresponding two relative spacing flanges of exit end place oral area on the second, and the second locating part is still including being located spacing piece under the second of the entrance point of valve body, spacing piece is for seting up two relative spacing sockets at entrance point place oral area under the second, spacing socket can the adaptation be inserted and is equipped with the inserted sheet, correspondingly, first locating part is for setting up boss on the two relative lateral walls of case, the boss include with the first boss face that spacing flange offseted and with the second boss face that the inserted sheet offseted.

Further, the spool moves between a first position and a second position at an angle of 45 °.

In order to solve the second technical problem, the utility model also provides a water heater using the anti-freezing valve, which further comprises a water heater body, and the water outlet of the valve body is in fluid communication with the water inlet end of the water heater body.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Compared with the prior art, the utility model has the advantages that: the water inlet, the water outlet and the water outlet are integrated on the valve body, the pipeline which can be communicated with each port is arranged on the valve core, and under the limiting action of the limiting part, the conversion of water supply and water discharge functions can be realized only by rotating the valve core, so that an implementation mode of the anti-freezing valve is provided for realizing the automatic control of the gas rapid water heater.

Drawings

FIG. 1 is a schematic view of a freeze valve according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a sectional view of the antifreeze valve in the normal state according to the embodiment of the present invention;

fig. 4 is a sectional view of the antifreeze valve of the embodiment of the present invention in the state of preventing frost crack in winter.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 4, the preferred embodiment of the present invention is shown. The antifreezing valve of the embodiment comprises a valve body 1, wherein an accommodating cavity 11 is arranged in the valve body 1, a water inlet 12, a water outlet 13 and a water outlet 14 which are communicated with the accommodating cavity 11 are arranged on the valve body 1, and the antifreezing valve further comprises a valve core 2 with a water passing channel 20, wherein the valve core 2 can be movably arranged in the accommodating cavity 11, and a limiting part is arranged in the valve body 1 and/or the valve core 2 and is used for limiting the valve core 2 to move only between a first position or a second position, so that the antifreezing valve is realized: the water passage 20 is in fluid communication with the water inlet 12 and the water outlet 13 in a state where the valve element 2 is in the first position, and both ends of the water passage 20 are in fluid communication with the water outlet 13 and the water outlet 14, respectively, in a state where the valve element 2 is in the second position. The valve body 1 is integrated with a water inlet 12, a water outlet 13 and a water outlet 14, the valve core 2 is provided with pipelines which can be communicated with all the ports, and the valve core 2 is rotated to realize the conversion of water supply and water discharge functions under the limiting action of the limiting piece.

Specifically, in order to enable the valve core 2 to be more stably arranged at the first position or the second position, so as to achieve corresponding water inlet and water discharge, the valve body 1 of the present embodiment includes an inlet end 1a for the valve core 2 to enter and an outlet end 1b for the valve core 2 to partially penetrate out, the limiting member includes a first limiting member arranged on the valve core 2, and the valve core 2 is located at the first position in a state where the first limiting member abuts against the inlet end 1a of the valve body 1; the valve element 2 is located at the second position in a state where the first stopper abuts against the outlet end 1b of the valve body 1. In order to better match the valve body 1 and the valve core 2 to enable the valve core 2 to be more stably arranged at the first position or the second position, the limiting member further comprises a second limiting member arranged on the valve body 1, and the valve core 2 can be located at the first position or the second position in a state that the second limiting member is matched with the first limiting member of the valve core 2. Wherein, the first locating part and the second locating part can be realized in various forms, from the perspective of simple structure and reduced processing cost, the second locating part of this embodiment includes the second upper locating part that is located the exit end 1b of the valve body 1, the second upper locating part is two relative limiting flanges 3 corresponding to the mouth where the exit end 1b is located, and the second locating part still includes the second lower locating part that is located the entrance end 1a of the valve body 1, the second lower locating part is two relative limiting sockets 4 opened at the mouth where the entrance end 1a is located, the limiting sockets 4 can be inserted with the inserted sheet 5 in an adaptation manner, correspondingly, the first locating part is the boss 6 that sets up on two relative lateral walls of the valve core 2, the boss 6 includes the first boss face 61 that offsets with the limiting flange 3 and the second boss face 62 that offsets with the inserted sheet 5. In addition, the valve core 2 of the present embodiment has a 135 ° fan shape, the angle of which is larger than the angle of the 190 ° fan-shaped area of the valve body, and the distance between the water outlet 14 and the water inlet 12 on the valve body 1 is large enough to ensure that the water passage 20 does not communicate with one of the ports before the other port is completely separated when the valve core 2 rotates.

During assembly, the valve core 2 slides into the valve body 1 from the inlet end 1a, then the inserting piece 5 is inserted into the limiting socket 4, and in a normal state (refer to fig. 3), the inserting piece 5 abuts against the second boss surface 62 of the valve core 2, and the water passing channel 20 is in fluid communication with the water inlet 12 and the water outlet 13 to realize water inlet; when frost cracking is prevented in winter (refer to fig. 4), a user can manually rotate the valve core 2 towards the water outlet end of the valve body 1 by 45 degrees, at the moment, the first boss surface 61 of the valve core 2 abuts against the two opposite limiting flanges 3 at the outlet end 1b of the valve body 1, and two ends of the water passing channel 20 are respectively in fluid communication with the water outlet 13 and the water outlet 14, so that the functions of draining water, draining water and preventing freezing are realized.

Claims (6)

1. An antifreeze valve comprising:

the water-saving valve comprises a valve body (1), wherein an accommodating cavity (11) is formed in the valve body (1), and a water inlet (12), a water outlet (13) and a water outlet (14) which are communicated with the accommodating cavity (11) are formed in the valve body (1);

the method is characterized in that: also comprises

The valve core (2) is provided with a water passing channel (20) and can be movably arranged in the accommodating cavity (11);

the limiting part is arranged in the valve body (1) and/or the valve core (2) and is used for limiting the valve core (2) to move only between a first position or a second position, so that the following effects are achieved:

the water passing channel (20) is in fluid communication with the water inlet (12) and the water outlet (13) when the valve core (2) is in the first position, and the water passing channel (20) is in fluid communication with the water outlet (13) and the water outlet (14) when the valve core (2) is in the second position.

2. The antifreeze valve according to claim 1, wherein: the valve body (1) comprises an inlet end (1a) for the valve core (2) to enter and an outlet end (1b) for the valve core (2) to partially penetrate out, the limiting piece comprises a first limiting piece arranged on the valve core (2), and the valve core (2) is located at a first position in a state that the first limiting piece is abutted against the inlet end (1a) of the valve body (1); and the valve core (2) is positioned at a second position under the state that the first limiting piece is abutted against the outlet end (1b) of the valve body (1).

3. The antifreeze valve according to claim 2, wherein: the limiting piece further comprises a second limiting piece arranged on the valve body (1), and the valve core (2) can be located at the first position or the second position when the second limiting piece is matched with the first limiting piece of the valve core (2).

4. The antifreeze valve according to claim 3, wherein: the second locating part is including being located the second of the exit end (1b) of valve body (1) is gone up the spacing piece, the second is gone up the spacing piece for two-phase relative limit flange (3) corresponding exit end (1b) place oral area, and the second locating part is still including being located the spacing piece under the second of entrance point (1a) of valve body (1), the spacing piece is for seting up two-phase relative spacing socket (4) at entrance point (1a) place oral area under the second, spacing socket (4) can the adaptation be inserted and be equipped with inserted sheet (5), correspondingly, first locating part is for setting up boss (6) on the two relative lateral walls of case (2), boss (6) include with first boss face (61) that limit flange (3) offset and with second boss face (62) that inserted sheet (5) offset.

5. The antifreeze valve according to claim 4, wherein: the valve core (2) moves between a first position and a second position by an angle of (45) °.

6. A water heater applying the anti-freezing valve as claimed in any one of claims 1 to 5, comprising a water heater body, and characterized in that: the water outlet (13) of the valve body (1) is in fluid communication with the water inlet end of the water heater body.

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