CN215568152U

CN215568152U - Anti-freezing valve and water heater applying same

Info

Publication number: CN215568152U
Application number: CN202121481178.4U
Authority: CN
Inventors: 黄启彬
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: 2022-01-18
Anticipated expiration: 2031-06-30

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, a water inlet and a water outlet which are communicated with the containing cavity as well as a water inlet interface and a water outlet interface which are connected with a heat exchanger are arranged on the valve body, and the anti-freezing valve is characterized in that: the utility model also comprises a water inlet and outlet, a water outlet and a converter, 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, and the conversion piece linked with the valve rod is arranged, so that the conversion of water supply and drainage functions of the water inlet interface and the water outlet interface 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 antifreeze valve which can completely drain the heat exchanger of the water heater.

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, a water outlet, a water inlet interface and a water outlet interface which are communicated with the accommodating cavity and are connected with the heat exchanger;

the method is characterized in that: also includes:

the water inlet and outlet is arranged on the valve body, is communicated with the accommodating cavity and is used for discharging water in a water inlet interface in the heat exchanger;

the water outlet is arranged on the valve body, communicated with the accommodating cavity and used for discharging water in a water outlet interface in the heat exchanger;

the conversion piece is arranged in the accommodating cavity, and is provided with a first shielding part corresponding to the water inlet and the water outlet and a second shielding part corresponding to the water inlet and the 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 the first shielding part and the second shielding part can selectively shield the water inlet and the water outlet or the water inlet and the water outlet along with the rotation of the valve rod, so that the water inlet or the water discharge operation is realized.

In order to realize that water in a water inlet interface and water in a water outlet interface of a heat exchanger of the water heater can be respectively discharged from a water inlet water outlet and a water outlet corresponding to the water inlet interface and the water outlet interface, preferably, the water inlet water outlet and the water outlet are arranged side by side, the conversion piece further comprises a separation part, the separation part divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity which respectively correspond to the water inlet water outlet and the water outlet, the water inlet is positioned in the first accommodating cavity and arranged side by side with the water inlet water outlet, and the water inlet interface is positioned at the opposite side of the first accommodating cavity; correspondingly, the water outlet is positioned in the second accommodating cavity and arranged side by side with the water outlet, and the water outlet interface is positioned at the opposite side of the second accommodating cavity. Under the state that water inlet and outlet are sheltered from by first occlusion part, the water in the interface of intaking can be discharged in the outlet of intaking by its gravity, and the water in the interface of going out can be discharged in the outlet of going out by its gravity to the hydroenergy in the realization interface of intaking and the outlet of going out water interface thoroughly drains up.

In order to enable the second shielding portion to shield the water inlet and outlet simultaneously, preferably, the converter further includes a switching rod, the cross section of the second shielding portion is substantially U-shaped, and the second shielding portion includes a first vertical arm and a second vertical arm connected to the switching rod and a transverse arm connected to the first vertical arm and the second vertical arm, the partition portion is located in a central position of the transverse arm, and the transverse arm always maintains a state of being close to an inner peripheral wall of the accommodating cavity in a state of rotating along with the switching rod, so that the water inlet and outlet can be shielded. Wherein, the central point that the partition part is located horizontal arm then can realize sheltering from into water outlet and play water outlet and can also separate the holding chamber simultaneously to realize the independent drainage or the intaking of water interface and play water interface.

In order to realize independent drainage or water inlet of the water inlet interface and the water outlet interface, preferably, the first shielding part comprises a first sub shielding part and a second sub shielding part which are positioned at two sides of the second shielding part, the first sub shielding part is used for shielding the water inlet, and the second sub shielding part is used for shielding the water outlet.

From the viewpoint of simple structure, it is preferable that each of the first and second sub-shielding portions includes a connecting arm connected to the switching lever and a shielding arm shielding the water inlet or the water outlet.

In order to solve the second technical problem, the present invention further provides a water heater with the above anti-freezing valve, including a casing and a heat exchanger disposed in the casing, where the heat exchanger includes a water inlet pipe and a water outlet pipe, and is characterized in that: the water inlet interface of the valve body is connected to the water inlet pipe, and the water outlet interface of the valve body is communicated with the water outlet pipe.

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, and the conversion piece linked with the valve rod is arranged, so that the conversion of water supply and drainage functions of the water inlet interface and the water outlet interface 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 an exploded view of the antifreeze valve according to the embodiment of the present invention;

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

FIG. 4 is a sectional view of the antifreeze valve of the embodiment of the present invention in the antifreeze state;

FIG. 5 is a schematic view of an angle of the transition piece according to an embodiment of the present invention;

FIG. 6 is a schematic view of another angle of the conversion member according to the embodiment of the present invention;

FIG. 7 is a sectional view of an embodiment of the freeze valve of the present invention installed in a water heater in a normal water inlet state;

fig. 8 is a sectional view showing a frost valve according to an embodiment of the present invention installed in a water heater in a state of being frozen 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 8, the preferred embodiment of the present invention is shown. The anti-freezing valve of the embodiment comprises a valve body 1, wherein the valve body 1 is internally provided with an accommodating cavity 10, the valve body 1 is provided with a water inlet 11, a water outlet 12, a water inlet connector 13 and a water outlet connector 14 which are communicated with the accommodating cavity 10, and the water inlet connector 13 and the water outlet connector 14 which are connected with a heat exchanger 5, and further comprises a water inlet and water outlet 15 arranged on the valve body 1, the water inlet and water outlet 15 is communicated with the accommodating cavity 10 and used for discharging water in the water inlet connector 13 in the heat exchanger 5, the valve body 1 is also provided with a water outlet 16, and the water outlet 16 is communicated with the accommodating cavity 10 and used for discharging water in the water outlet connector 14 in the heat exchanger 5; in addition, a converter 2 is arranged in the accommodating cavity 10, and the converter 2 is provided with a first shielding part 21 corresponding to the water inlet 11 and the water outlet 12 and a second shielding part 22 corresponding to the water inlet and the water outlet 15 and the water outlet 16; and finally, the water inlet and drainage device also comprises a valve rod 3 with one end connected with the converter 2 through the valve body 1, the other end of the valve rod 3 extends out of the valve body 1 to be used as a driving end 31, and the first shielding part 21 and the second shielding part 22 can selectively shield the water inlet 11 and the water outlet 12 or the water inlet and outlet 15 and the water outlet 16 along with the rotation of the valve rod 3, so that the water inlet or drainage operation is realized.

Specifically, in order to realize that water in the water inlet interface 13 and water in the water outlet interface 14 of the heat exchanger 5 of the water heater can be discharged from the corresponding water inlet and

outlet ports

15 and 16, respectively, the water inlet and

outlet ports

15 and 16 of the present embodiment are arranged side by side, the converter 2 further includes a partition portion 23, the partition portion 23 partitions the accommodating cavity 10 into a first accommodating cavity 101 and a second accommodating cavity 102 corresponding to the water inlet and

outlet ports

15 and 16, respectively, the water inlet 11 is located in the first accommodating cavity 101 and arranged side by side with the water inlet and outlet port 15, and the water inlet interface 13 is located at the opposite side of the first accommodating cavity 101; correspondingly, the water outlet 12 is located in the second receiving cavity 102 and is arranged side by side with the water outlet 16, and the water outlet 14 is located at the opposite side of the second receiving cavity 102. In a state where the water inlet 11 and the water outlet 12 are blocked by the first blocking portion 21, water in the water inlet port 13 can be discharged from the water inlet and outlet port 15 by its gravity, and water in the water outlet port 14 can be discharged from the water outlet and outlet port 16 by its gravity, so that water in the water inlet port 13 and the water outlet port 14 can be completely drained. In addition, in order to realize that the second shielding portion 22 can shield the water inlet and

outlet ports

15 and 16 at the same time, preferably, the converter 2 further includes a converting rod 24, the cross section of the second shielding portion 22 is substantially U-shaped, and includes a first vertical arm 221 and a second vertical arm 222 connected to the converting rod 24, and a transverse arm 223 connecting the first vertical arm 221 and the second vertical arm 222, the separating portion 23 is located at the center of the transverse arm 223, and the transverse arm 223 is always kept in close proximity to the inner peripheral wall of the accommodating cavity 10 in a state of rotating along with the converting rod 24, so as to shield the water inlet and

outlet ports

15 and 16. The partition 23 is located at the center of the transverse arm 223, so that the receiving cavity 10 can be partitioned while the water inlet and

outlet ports

15 and 16 are shielded, and thus the water inlet and

outlet ports

13 and 14 can be independently drained or fed. In order to realize independent water drainage or water inlet of the water inlet port 13 and the water outlet port 14, the first shielding portion 21 includes a first sub shielding portion 211 and a second sub shielding portion 212 located at two sides of the second shielding portion 22, wherein the first sub shielding portion 211 is used for shielding the water inlet 11, and the second sub shielding portion 212 is used for shielding the water outlet 12. When the driving end 31 of the valve rod 3 drives the rotating rod to rotate, the first sub shielding portion 211 and the second sub shielding portion 212 can be driven to shield or open the water inlet 11 and the water outlet 12, so that the water inlet port 13 is alternatively communicated with the water inlet 11 or the water inlet and outlet 15, the water outlet port 14 is alternatively communicated with the water outlet 12 or the water outlet and outlet 16, and finally water inlet or water discharge of the water inlet port 13 and water inlet or water discharge of the water outlet port 14 are achieved. From the viewpoint of simple structure, each of the first and

second sub-shielding portions

211 and 212 of the present embodiment includes a connecting arm 211a connected to the switching lever 24 and a shielding arm 211b shielding the water inlet 11 or the water outlet 12. Finally, the embodiment further provides a water heater applying the anti-freezing valve, which includes a casing 4 and a heat exchanger 5 arranged in the casing 4, the heat exchanger 5 includes a water inlet pipe 51 and a water outlet pipe 52, the water inlet port 13 of the valve body 1 is connected to the water inlet pipe 51, and the water outlet port 14 of the valve body 1 is communicated with the water outlet pipe 52, when in installation, the device is only required to be additionally installed on a cold water inlet pipeline of the water heater, other structures of the water heater are not required to be changed, and the installation and the use are convenient, as shown in fig. 7 and 8.

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. 3 and 7), the first sub shielding part 211 and the second sub shielding part 212 of the first shielding part 21 cannot shield the water inlet 11 and the water outlet 12, the second shielding part 22 shields the water inlet and

outlet

15 and 16, the water inlet port 13 is communicated with the water inlet 11, the water outlet port 14 is communicated with the water outlet, and cold water can enter the heat exchanger 5 of the water heater through the water inlet port 13 to be heated and then flows out through the water outlet port 14 and the water outlet 12;

in winter frost cracking prevention (refer to fig. 4 and 8), the knob 300 arranged at the external driving end 31 of the valve rod 3 is rotated, the conversion rod 24 is rotated accordingly, so that the first sub shielding part 211 and the second sub shielding part 212 can shield the water inlet 11 and the water outlet 12, and the second shielding part 22 opens the water inlet and

outlet ports

15 and 16, so that water in the water inlet interface 13 and water in the water outlet interface can be simultaneously discharged to the corresponding water inlet and

outlet ports

15 and 16, and rapid water drainage is performed.

Claims

1. An antifreeze valve comprising:

the water-saving valve comprises a valve body (1), wherein an accommodating cavity (10) is formed in the valve body (1), and a water inlet (11), a water outlet (12), a water inlet interface (13) and a water outlet interface (14) which are communicated with the accommodating cavity (10) and connected with a heat exchanger (5) are formed in the valve body (1);

the method is characterized in that: also includes:

the water inlet and outlet (15) is arranged on the valve body (1), is communicated with the accommodating cavity (10) and is used for discharging water in the water inlet connector (13) in the heat exchanger (5);

the water outlet (16) is arranged on the valve body (1), is communicated with the accommodating cavity (10) and is used for discharging water in the water outlet interface (14) in the heat exchanger (5);

the conversion piece (2) is arranged in the accommodating cavity (10), and is provided with a first shielding part (21) corresponding to the water inlet (11) and the water outlet (12) and a second shielding part (22) corresponding to the water inlet and the water outlet (15) and the water outlet (16);

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 first shielding portion (21) and the second shielding portion (22) can selectively shield the water inlet (11) and the water outlet (12) or the water inlet and outlet (15) and the water outlet (16) along with rotation of the valve rod (3), so that water inlet or water discharge operation is achieved.

2. The antifreeze valve according to claim 1, wherein: the water inlet and outlet port (15) and the water outlet and outlet port (16) are arranged side by side, the conversion piece (2) further comprises a separation part (23), the separation part (23) divides the accommodating cavity (10) into a first accommodating cavity (101) and a second accommodating cavity (102) which respectively correspond to the water inlet and outlet port (15) and the water outlet and outlet port (16), the water inlet (11) is positioned in the first accommodating cavity (101) and arranged side by side with the water inlet and outlet port (15), and the water inlet interface (13) is positioned at the opposite side of the first accommodating cavity (101); correspondingly, the water outlet (12) is positioned in the second accommodating cavity (102) and is arranged side by side with the water outlet (16), and the water outlet interface (14) is positioned at the opposite side of the second accommodating cavity (102).

3. The antifreeze valve according to claim 2, wherein: the conversion piece (2) further comprises a conversion rod (24), the section of the second shielding portion (22) is approximately U-shaped and comprises a first vertical arm (221) and a second vertical arm (222) which are connected to the conversion rod (24) and a transverse arm (223) which is connected with the first vertical arm (221) and the second vertical arm (222), the partition portion (23) is located at the center of the transverse arm (223), and the transverse arm (223) always keeps a state close to the inner peripheral wall of the accommodating cavity (10) in a state of rotating along with the conversion rod (24), so that the water inlet and outlet opening (15) and the water outlet and outlet opening (16) can be shielded.

4. The antifreeze valve according to claim 3, wherein: the first shielding part (21) comprises a first sub shielding part (211) and a second sub shielding part (212) which are positioned at two sides of the second shielding part (22), wherein the first sub shielding part (211) is used for shielding the water inlet (11), and the second sub shielding part (212) is used for shielding the water outlet (12).

5. The antifreeze valve according to claim 4, wherein: the first sub-shielding part (211) and the second sub-shielding part (212) respectively comprise a connecting arm (211a) connected to the conversion rod (24) and a shielding arm (211b) shielding the water inlet (11) or the water outlet (12).

6. A water heater applying the anti-freezing valve as claimed in any one of claims 1 to 5, comprising a housing (4) and a heat exchanger (5) arranged in the housing (4), wherein the heat exchanger (5) comprises a water inlet pipe (51) and a water outlet pipe (52), and is characterized in that: the water inlet connector (13) of the valve body (1) is connected to the water inlet pipe (51), and the water outlet connector (14) of the valve body (1) is communicated to the water outlet pipe (52).