CN215522091U

CN215522091U - Anti-freezing valve and water heater applying same

Info

Publication number: CN215522091U
Application number: CN202121479258.6U
Authority: CN
Inventors: 于雅平; 王雲涛; 吴帅
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-14
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to an antifreezing valve and a water heater using the antifreezing valve, the antifreezing valve comprises a valve body, a valve rod and a conversion piece, the conversion piece is arranged in an accommodating cavity, and is provided with shielding parts corresponding to each water inlet and each water outlet, each shielding part can selectively shield the water inlet or the water outlet along with the rotation of the valve rod, thereby realizing the operation of water inlet or water outlet, compared with the prior art, the antifreezing valve has the advantages that: the water inlet channel, the water outlet channel and the water drainage channel are integrated on the valve body, and the conversion piece linked with the valve rod is arranged, so that the conversion of water supply and water drainage functions can be realized only by rotating the valve rod, and an implementation mode of the anti-freezing valve is provided for realizing the automatic control of the gas rapid water heater.

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 communicated with the outdoor environment through the smoke exhaust pipe, and cold air easily enters the water heater along the smoke exhaust pipe when the outdoor temperature is lower than zero centigrade in cold winter, so that the weak part of a water path pipeline of the water heater is frozen and cracked, and most of the gas water heaters are additionally provided with the electric heating anti-freezing cracking device, so that a certain anti-freezing function is achieved. The electric heating anti-frost-crack device can normally start to work only when the water heater is in a power-on state, and the situation that the electric heating device cannot be started and a water heater pipeline is frost-cracked due to the fact that some users have the habit of pulling out a power plug of the water heater after using the water heater, or have power failure at home, or a newly-decorated house does not use power failure for a long time and the like can be caused. The water channel of the water heater is usually a normally open valve at the water inlet end and a normally closed valve at the water outlet end, so that if a user does not find that the water inlet valve is closed in time, the whole machine leaks water, and property loss and safety problems such as water soaking on the floor, electric leakage and the like are caused.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide an antifreezing valve which is convenient for users to operate in view of the above-mentioned prior art.

The second technical problem to be solved by the present invention is to provide a water heater using the above mentioned frost valve, 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 channel, a water outlet channel and a water drainage channel which are communicated with the accommodating cavity;

the method is characterized in that:

the water inlet channel is provided with at least one water inlet for supplying water to the water outlet channel;

the drainage channel is provided with at least one drainage port for the water of the water outlet channel to flow out;

the conversion piece is arranged in the accommodating cavity and is provided with a shielding part corresponding to each water inlet and each water outlet;

and one end of the valve rod penetrates through the valve body to be connected with the conversion piece, the other end of the valve rod extends out of the valve body to serve as a driving end, and each shielding part can selectively shield the water inlet or the water outlet along with the rotation of the valve rod, so that the water inlet or the water outlet operation is realized.

Furthermore, the conversion piece comprises a first shielding part corresponding to each water inlet, a second shielding part corresponding to each water outlet and a conversion part connecting the first shielding part and the second shielding part, and the conversion part is connected to one end of the valve rod, so that the first shielding part and the second shielding part can selectively shield each water inlet or water outlet through conversion of the conversion part. The valve rod controls the rotation of the conversion part, so that the first shielding part and the second shielding part can selectively shield the corresponding water inlet or the corresponding water outlet, and the water inlet and the water outlet are convenient for user operation, and the water inlet and the water discharging in winter can be realized during normal use.

From the viewpoint of simple structure, the first shielding portion and the second shielding portion may be formed in a manner such that: the first shielding part is limited on the first shielding piece which can cover the water inlet channel, the first shielding piece is provided with first through holes communicated with the water inlets, the spacing sections between the adjacent first through holes form the first shielding part, the second shielding part is limited on the second shielding piece which can cover the water drainage channel, the second shielding piece is provided with second through holes communicated with the water outlets, and the spacing sections between the adjacent second through holes form the second shielding part.

Further, the central authorities of first shielding piece are provided with along the first vertical body of rod that inhalant canal axial direction extends, and the central authorities of second shielding piece are provided with along the vertical body of rod of second that exhalant canal axial direction extends, wherein, the end of the first vertical body of rod through first connecting rod with conversion portion links to each other, the end of the vertical body of rod of second through the second connecting rod with conversion portion links to each other, first connecting rod and second connecting rod are relative conversion portion symmetry sets up. The switching premise of the switching part is that when the first shielding part of the first shielding piece shields each water inlet of the water inlet channel, the second shielding part of the second shielding piece just fails to shield each water outlet of the water drainage channel, otherwise, when the first shielding part of the first shielding piece fails to shield each water inlet of the water inlet channel, the second shielding part of the second shielding piece just can shield each water outlet of the water drainage channel, and therefore switching of water inlet and water drainage is achieved.

In order to conveniently arrange the first connecting rod and the second connecting rod on the conversion part, preferably, the first connecting rod and the second connecting rod are inserted on the conversion part through the convex column, and correspondingly, the conversion part is provided with a socket for inserting the convex column.

In order to facilitate the valve body to switch between water inlet and water outlet, preferably, the water inlet channel and the water discharge channel of the valve body are symmetrically arranged relative to the water outlet channel.

In order to solve the second technical problem, the utility model further provides a water heater with the anti-freezing valve, which comprises a casing, and is characterized in that: the valve body is connected to the water inlet connector of the casing.

Compared with the prior art, the utility model has the advantages that: the water inlet channel, the water outlet channel and the water drainage channel are integrated on the valve body, and the conversion piece linked with the valve rod is arranged, so that the conversion of water supply and water drainage functions can be realized only by rotating the valve rod, and 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 a sectional view of the antifreeze valve of the embodiment of the present invention in a normal use state;

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

fig. 4 is a cross-sectional view at an angle of fig. 1.

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, the valve body 1 has an accommodating cavity 10, the valve body 1 is provided with a water inlet channel 11, a water outlet channel 12 and a water outlet channel 13 which are all communicated with the accommodating cavity 10, wherein the water inlet channel 11 is provided with at least one water inlet 111 for supplying water to the water outlet channel 12, the water outlet channel 13 is provided with at least one water outlet 131 for allowing water of the water outlet channel 12 to flow out, the accommodating cavity 10 is also internally provided with a converter 2, the converter 2 is provided with shielding parts corresponding to the water inlet 111 and the water outlet 131, the antifreezing valve further comprises a valve rod 3, one end of the valve rod 3 penetrates through the valve body 1 and is connected with the converter 2, the other end of the valve rod 3 extends out of the valve body 1 to serve as a driving end 31, and the shielding parts can selectively shield the water inlet 111 or the water outlet 131 along with the rotation of the valve rod 3, so as to realize the water inlet or outlet operation, and the water inlet channel 11, the water outlet operation is integrated on the valve body 1, The water outlet channel 12 and the water discharge channel 13 are provided with the conversion piece 2 linked with the valve rod 3, and the conversion of the water supply function and the water discharge function can be realized only by rotating the valve rod 3.

Specifically, the converter 2 includes a first shielding portion 21 corresponding to each water inlet 111, a second shielding portion 22 corresponding to each water outlet 131, and a converting portion 23 connecting the first shielding portion 21 and the second shielding portion 22, and the converting portion 23 is connected to one end of the valve rod 3, so that the first shielding portion 21 and the second shielding portion 22 can selectively shield each water inlet 111 or each water outlet 131 through conversion of the converting portion 23. The valve rod 3 controls the rotation of the conversion part 23, so that the first shielding part 21 and the second shielding part 22 can selectively shield the corresponding water inlet 111 or the corresponding water outlet 131, thereby facilitating the operation of a user and realizing water inlet during normal use or antifreezing water drainage in winter. From the viewpoint of simple structure, the first shielding portion 21 and the second shielding portion 22 may be formed in a manner of: the first shielding part 21 is defined on the first shielding piece 4 capable of covering the water inlet channel 11, the first shielding piece 4 is provided with first through holes 41 communicated with the water inlets 111, the spacing sections between the adjacent first through holes 41 form the first shielding part 21, the second shielding part 22 is defined on the second shielding piece 5 capable of covering the water discharge channel 13, the second shielding piece 5 is provided with second through holes 51 communicated with the water outlets 131, and the spacing sections between the adjacent second through holes 51 form the second shielding part 22. In addition, the center of the first shielding plate 4 is further provided with a first vertical rod 43 extending along the axial direction of the water inlet channel 11, and the center of the second shielding plate 5 is provided with a second vertical rod 53 extending along the axial direction of the water outlet channel 12, wherein the end of the first vertical rod 43 is connected to the converting part 23 through a first connecting rod 42, the end of the second vertical rod 53 is connected to the converting part 23 through a second connecting rod 52, the first connecting rod 42 and the second connecting rod 52 are symmetrically arranged relative to the converting part 23, although the conversion of the converting part 23 is premised that when the first shielding part 21 of the first shielding plate 4 shields each water inlet 111 of the water inlet channel 11, the second shielding part 22 of the second shielding plate 5 just fails to shield each water outlet 131 of the water outlet channel 13, otherwise, when the first shielding part 21 of the first shielding plate 4 fails to shield each water inlet 111 of the water inlet channel 11, the second shielding portion 22 of the second shielding sheet 5 just shields each drainage port 131 of the drainage channel 13, thereby achieving the switching of water inlet and drainage. In order to conveniently arrange the first link 42 and the second link 52 on the converting part 23, it is preferable that the first link 42 is inserted on the converting part 23 through the first boss 421, and the second link 52 is inserted on the converting part 23 through the second boss 521, and correspondingly, the converting part 23 is provided with an insertion opening 230 through which the first boss 421 and the second boss 521 can be inserted.

Finally, in order to facilitate the switching of the valve body 1 between water inlet and water outlet, the water inlet channel 11 and the water outlet channel 13 of the valve body 1 are symmetrically arranged relative to the water outlet channel 12. The embodiment also provides a water heater applying the anti-freezing valve, which comprises a machine shell, wherein the valve body 1 is connected to a water inlet connector of the machine shell.

In summary, the waterway path of the antifreeze valve in the water inlet and water discharge states is as follows:

in a normal state (refer to fig. 2), when the first shielding part 21 of the first shielding piece 4 cannot shield each water inlet 111 of the water inlet channel 11, the second shielding part 22 of the second shielding piece 5 can just shield each water outlet 131 of the water discharge channel 13, the water inlet channel 11 is communicated with the water outlet channel 12, and cold water can enter the water heater;

when frost cracking is prevented in winter (refer to fig. 3), the rotary disc 30 arranged at the outer driving end 31 of the valve rod 3 is rotated, and the conversion part 23 rotates along with the rotary disc, so that the first shielding part 21 of the first shielding piece 4 can shield each water inlet 111 of the water inlet channel 11, the second shielding part 22 of the second shielding piece 5 just fails to shield each water outlet 131 of the water drainage channel 13, the water outlet channel 12 is communicated with the water drainage channel 13, and water in the water outlet channel 12 can be discharged to the water drainage channel 13.

Claims

1. An antifreeze valve comprising:

the water-saving valve comprises a valve body (1), wherein a containing cavity (10) is formed in the valve body (1), and a water inlet channel (11), a water outlet channel (12) and a water drainage channel (13) which are communicated with the containing cavity (10) are formed in the valve body (1);

the method is characterized in that:

the water inlet channel (11) is provided with at least one water inlet (111) for supplying water to the water outlet channel (12);

the drainage channel (13) is provided with at least one drainage opening (131) for water of the water outlet channel (12) to flow out;

the conversion piece (2) is arranged in the accommodating cavity (10) and is provided with a shielding part corresponding to each water inlet (111) and each water outlet (131);

one end of the valve rod (3) penetrates through the valve body (1) to be connected with the conversion piece (2), the other end of the valve rod extends out of the valve body (1) to serve as a driving end (31), and the shielding parts can selectively shield the water inlet (111) or the water outlet (131) along with the rotation of the valve rod (3), so that water inlet or water outlet operation is achieved.

2. The antifreeze valve according to claim 1, wherein: the conversion piece (2) comprises first shielding parts (21) corresponding to the water inlets (111), second shielding parts (22) corresponding to the water outlets (131) and conversion parts (23) connecting the first shielding parts (21) and the second shielding parts (22), and the conversion parts (23) are connected to one ends of the valve rods (3), so that the first shielding parts (21) and the second shielding parts (22) can selectively shield the water inlets (111) or the water outlets (131) through conversion of the conversion parts (23).

3. The antifreeze valve according to claim 2, wherein: first sheltering from portion (21) is injectd and is covered on first sheltering from piece (4) of inhalant canal (11), offer on first sheltering from piece (4) with first through-hole (41) of each water inlet (111) intercommunication, interval section between the adjacent first through-hole (41) constitutes first sheltering from portion (21), and second sheltering from portion (22) is then injectd and is incited and to cover on second sheltering from piece (5) of drainage channel (13), offer on second sheltering from piece (5) with second through-hole (51) of each outlet (131) intercommunication, interval section between the adjacent second through-hole (51) constitutes second sheltering from portion (22).

4. The antifreeze valve according to claim 3, wherein: the central authorities of first shielding piece (4) are provided with along the first vertical body of rod (43) that inhalant canal (11) axial direction extends, and the central authorities of second shielding piece (5) are provided with along the vertical body of rod (53) of second that exhalant canal (12) axial direction extends, wherein, the end of the first vertical body of rod (43) through first connecting rod (42) with conversion portion (23) link to each other, the end of the vertical body of rod of second (53) through second connecting rod (52) with conversion portion (23) link to each other, first connecting rod (42) and second connecting rod (52) are relative conversion portion (23) symmetry sets up.

5. The antifreeze valve according to claim 4, wherein: the first connecting rod (42) and the second connecting rod (52) are inserted on the conversion part (23) through convex columns (421; 521), and correspondingly, the conversion part (23) is provided with a socket (230) into which the convex columns (421; 521) can be inserted.

6. The antifreeze valve according to claim 5, wherein: and the water inlet channel (11) and the water drainage channel (13) of the valve body (1) are symmetrically arranged relative to the water outlet channel (12).

7. A water heater applying the antifreezing valve as defined in any one of claims 1 to 6, comprising a housing, wherein: the valve body (1) is connected to the water inlet connector of the casing.