CN210861724U - Check valve subassembly and water heater - Google Patents
Check valve subassembly and water heater Download PDFInfo
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- CN210861724U CN210861724U CN201921123644.4U CN201921123644U CN210861724U CN 210861724 U CN210861724 U CN 210861724U CN 201921123644 U CN201921123644 U CN 201921123644U CN 210861724 U CN210861724 U CN 210861724U
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- check valve
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- way valve
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- water supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 230000000694 effects Effects 0.000 claims abstract description 3
- 210000003813 thumb Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a check valve subassembly and water heater, wherein check valve subassembly includes water supply connector, water outlet connector and check valve, the check valve includes check valve stiff end, check valve expansion end and elastic component, wherein check valve stiff end one end set up in the water outlet connector, the other end set up in the water supply connector and with water supply connector fixed connection, the activity of check valve expansion end set up in be used for opening in the water supply connector or close water supply connector, the elastic component butt in the check valve stiff end with between the check valve expansion end, through the check valve stiff end with mutually supporting of check valve expansion end with water supply connector with water outlet connector switches on or breaks off, and it can reduce the check valve phenomenon of opening by mistake to a certain extent.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a check valve subassembly and water heater.
Background
In the related art, the existing check valve assembly for a water heater generally comprises a hot water connector, a connecting clamp spring, a filter screen, a check valve and a cold water connector, wherein the check valve is installed at one end of the cold water connector, which is connected with the hot water connector, positive opening pressure of the check valve is provided by a spring inside the check valve, and elastic force provided by the spring inside the check valve is generally a fixed value.
If the one-way valve assembly is used in a gas water heater with a circulation function, if the cold water valve is opened, if the one-way valve is opened by mistake, a circulation water channel of the water heater generates water flow, the water heater can be judged to need hot water functionally, the water heater is opened by mistake in a short time, and the use comfort of a user is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, an object of the utility model is to provide a check valve subassembly, it can reduce the check valve phenomenon of opening by mistake to a certain extent.
The above purpose is realized by the following technical scheme:
the utility model provides a check valve subassembly, is applied to the water heater, check valve subassembly includes water supply connector, water connectors and check valve, the check valve includes check valve stiff end, check valve expansion end and elastic component, wherein check valve stiff end one end set up in the water connectors, the other end set up in the water connectors and with water connectors fixed connection, the activity of check valve expansion end set up in be used for opening in the water connectors or close water connectors, the elastic component butt in the check valve stiff end with between the check valve expansion end, through the check valve stiff end with mutually supporting of check valve expansion end in order to incite somebody to action water connectors with water connectors switches on or breaks off.
In some embodiments, an external thread is disposed on an outer wall of the fixing end of the check valve, an internal thread is disposed on an inner wall of the water inlet joint, and the other end of the fixing end of the check valve and the water inlet joint are fixedly connected together through the external thread and the internal thread.
In some embodiments, a thumb wheel is disposed at the junction of the fixed end of the one-way valve and the water inlet connector.
In some embodiments, the water inlet connector and the water outlet connector are connected together by a snap spring which is arranged outside the thumb wheel.
In some embodiments, a first step is provided on an inner wall of the water outlet joint, and the fixed end of the one-way valve abuts against the first step.
In some embodiments, a second step is provided on an inner wall of the water inlet connector to limit a stroke of the fixed end of the check valve.
In some embodiments, a first sealing ring is arranged between the water outlet joint and the fixed end of the one-way valve;
and a second sealing ring is arranged between the water inlet connector and the fixed end of the one-way valve.
In some embodiments, the fixed end of the check valve includes a hollow central column and through holes disposed on the periphery of the central column at intervals, one end of the movable end of the check valve is movably inserted into the central column, the elastic member is sleeved outside the central column, one end of the elastic member abuts against the fixed end of the check valve, and the other end of the elastic member abuts against the movable end of the check valve.
In some embodiments, a filter screen is arranged in the water inlet joint on the side of the movable end of the one-way valve away from the fixed end of the one-way valve.
Another object of the utility model is to provide a water heater, its mistake of avoiding the water heater short time to a certain extent opens to promote the travelling comfort that the user used.
The above purpose is realized by the following technical scheme:
a water heater having a one-way valve assembly as described above
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
1. the utility model discloses a check valve subassembly and water heater, its simple structure, installer can be when the installation in the user family according to the actual water pressure in the user family and adjust check valve subassembly's forward opening pressure to reduce the check valve phenomenon of opening by mistake, can avoid the mistake of water heater short time to open from this to a certain extent, in order to promote the travelling comfort that the user used.
Drawings
FIG. 1 is a schematic perspective view of a check valve assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of a check valve assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a check valve assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water heater in an embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
The first embodiment is as follows: as shown in fig. 1, 2 and 3, the present embodiment provides a check valve assembly, which is applied to a water heater, the water heater generally includes a hot water pipeline and a cold water pipeline, the check valve assembly includes a water inlet connector 1, a water outlet connector 2 and a check valve 3, the water inlet connector 1 is disposed on the hot water pipeline of the water heater, the water outlet connector 2 is disposed on the cold water pipeline of the water heater, the check valve 3 is connected between the water inlet connector 1 and the water outlet connector 2, the check valve 3 includes a check valve fixing end 31, a check valve movable end 32 and an elastic member 33, wherein one end of the check valve fixing end 31 is disposed in the water outlet connector 2, the other end of the check valve fixing end 31 is disposed in the water inlet connector 1 and is fixedly connected with the water inlet connector 1, the check valve movable end 32 is movably disposed in the water inlet connector 1 for opening or closing the water inlet connector 1, the elastic member 33, the water inlet connector 1 and the water outlet connector 2 are connected or disconnected through the mutual matching of the one-way valve fixed end 31 and the one-way valve movable end 32.
The check valve component of the embodiment has a simple structure, and installation personnel can adjust the forward opening pressure of the check valve component according to the actual water pressure in a user house when installing the check valve component at the user house so as to reduce the false opening phenomenon of the check valve.
In this embodiment, by adjusting the assembly depth between the fixed end 31 of the check valve and the water inlet connector 1, the compression amount of the elastic member 33 is different due to the assembly depth, and the forward and/or reverse opening pressure of the check valve assembly is finally affected. The greater the fitting depth between the check valve fixing end 31 and the water inlet joint 1, the greater the compression amount of the elastic member 33, the greater the positive opening pressure of the check valve assembly. The smaller the fitting depth between the check valve fixing end 31 and the water inlet joint 1, the smaller the compression amount of the elastic member 33, the smaller the positive opening pressure of the check valve assembly.
Compared with the prior art, the one-way valve assembly of the present embodiment has the advantages of, but not limited to:
1. the forward opening pressure of the one-way valve component can be adjusted, so that the error opening probability of the one-way valve can be reduced by adjusting the one-way valve component according to the water pressure of the household waterway of different users.
2. The user can adjust the positive opening pressure of check valve subassembly by oneself according to the actual conditions of domestic water route, more adapts to user's actual demand.
3. The check valve assemblies with different adjusting ranges can be obtained by assembling elastic members with different elastic forces such as springs, the check valve assemblies with corresponding ranges can be selected by predicting the water pressure of the water channel, and fine adjustment is performed after installation, so that more accurate adjustment is realized.
Preferably, an external thread 310 is provided on an outer wall of the check valve fixing end 31, and an internal thread 100 is provided on an inner wall of the water inlet joint 1, and the other end of the check valve fixing end 31 is fixedly connected to the water inlet joint 1 by the external thread 310 and the internal thread 100. Fixed connection between check valve stiff end 31 and the water supply connector 1 can conveniently be realized through threaded connection's mode, and easily adjust the assembly depth between check valve stiff end 31 and the water supply connector 1.
In this embodiment, a shifting wheel 4 is disposed at the joint of the one-way valve fixing end 31 and the water inlet connector 1, and the assembly depth between the one-way valve fixing end 31 and the water inlet connector 1 can be more conveniently adjusted by the arranged shifting wheel 4, so as to achieve the purpose of adjusting the forward and/or reverse opening pressure of the one-way valve assembly. Specifically, the external screw thread 310 of thumb wheel 4 and check valve stiff end 31 through rotatory thumb wheel 4, and thumb wheel 4 rotates and will drive check valve stiff end 31 rotatory, and then makes relative rotation between check valve stiff end 31 and the water supply connector 1, reaches the purpose of the assembly depth between adjustment check valve stiff end 31 and the water supply connector 1 from this.
Preferably, still including jump ring 5, jump ring 5 sets up and is used for linking together water supply connector 1 and water connectors 2 outside thumb wheel 4, can conveniently link together water supply connector 1 and water connectors 2 through the jump ring 5 that sets up, improves check valve subassembly's connection efficiency from this, improves the convenience that check valve subassembly used.
Furthermore, a first step 201 is arranged on the inner wall of the water outlet connector 2, and the one-way valve fixing end 31 abuts against the first step 201, so that the one-way valve fixing end 31 can be accurately positioned, and the positioning and mounting efficiency of the one-way valve fixing end 31 can be improved to a certain extent;
a second step 101 is provided on the inner wall of the water inlet joint 1 for limiting the stroke of the check valve fixing end 31, and a limiting protrusion 311 is provided on the outer wall of the check valve fixing end 31 for limiting the stroke of the check valve fixing end 31. The stroke of the fixed end 31 of the check valve can be limited by the second step 101 and the limiting protrusion 311, so as to ensure the stability and reliability of the use of the check valve assembly. Through rotatory water supply connector 1 or check valve stiff end 31 with the assembly depth between adjustment check valve stiff end 31 and the water supply connector 1, wherein when reaching the biggest assembly depth between check valve stiff end 31 and the water supply connector 1, the tip of check valve stiff end 31 will be supported on second step 101, and spacing arch 311 offsets with the tip of water supply connector 1 simultaneously.
In the embodiment, the first sealing ring 61 is arranged between the water outlet connector 2 and the one-way valve fixing end 31, so that the connection tightness between the water outlet connector 2 and the one-way valve fixing end 31 can be improved to a certain extent, and the occurrence of water leakage is reduced;
the second sealing ring 62 is arranged between the water inlet joint 1 and the one-way valve fixing end 31, so that the connection tightness between the water inlet joint 1 and the one-way valve fixing end 31 can be improved to a certain extent, and the water leakage is reduced.
Particularly, the check valve fixing end 31 comprises a hollow center column 312 and through holes 313 arranged on the periphery of the center column 312 at intervals, one end of the check valve movable end 32 is movably inserted into the center column 312, the elastic member 33 is sleeved outside the center column 312, one end of the elastic member 33 abuts against the check valve fixing end 31, and the other end of the elastic member 33 abuts against the check valve movable end 32.
Preferably, a filter screen 7 is arranged in the water inlet joint 1 on the side of the movable end 32 of the check valve away from the fixed end 31 of the check valve, so that the water flowing from the water inlet joint 1 to the water outlet joint 2 can be filtered and purified.
Example two: as shown in fig. 1 to 4, the present embodiment provides a water heater including a hot water pipe 81, a cold water pipe 82, and a check valve assembly as described in the first embodiment, which is connected between the hot water pipe 81 and the cold water pipe 82. Because the check valve assembly is provided as described in the first embodiment, the water heater provided by the embodiment has the advantages of reducing the false opening phenomenon of the check valve, avoiding the false opening of the water heater for a short time and improving the use comfort of users.
Because the check valve assembly has been described in detail and fully in the first embodiment, it will not be described herein for brevity.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a check valve subassembly, is applied to the water heater, check valve subassembly includes water supply connector (1), water outlet connector (2) and check valve (3), a serial communication port, check valve (3) include check valve stiff end (31), check valve expansion end (32) and elastic component (33), wherein check valve stiff end (31) one end set up in water outlet connector (2), the other end set up in water supply connector (1) and with water supply connector (1) fixed connection, check valve expansion end (32) activity set up in be used for opening in water supply connector (1) or close water supply connector (1), elastic component (33) butt in check valve stiff end (31) with between check valve expansion end (32), through check valve stiff end (31) with mutually supporting of check valve expansion end (32) with water supply connector (1) with water outlet connector (2) switches on Or disconnected.
2. A check valve assembly according to claim 1, wherein an external thread (310) is provided on an outer wall of the check valve fixing end (31), and an internal thread (100) is provided on an inner wall of the water inlet joint (1), and the other end of the check valve fixing end (31) and the water inlet joint (1) are fixedly connected through the external thread (310) and the internal thread (100).
3. A one-way valve assembly according to claim 2, wherein a thumb wheel (4) is provided at the junction of the one-way valve securing end (31) and the water inlet fitting (1).
4. A check valve assembly according to claim 3, further comprising a snap spring (5), wherein the snap spring (5) is arranged outside the thumb wheel (4) for connecting the water inlet connector (1) and the water outlet connector (2) together.
5. A one-way valve assembly according to claim 1, 2, 3 or 4, characterized in that a first step (201) is provided at the inner wall of the outlet fitting (2), the one-way valve fixing end (31) abutting against the first step (201).
6. A one-way valve assembly according to claim 5, wherein a second step (101) is provided on the inner wall of the water inlet fitting (1) for limiting the stroke of the fixed end (31) of the one-way valve.
7. A one-way valve assembly according to claim 1, 2, 3 or 4, wherein a first sealing ring (61) is arranged between the water outlet connector (2) and the one-way valve fixing end (31);
a second sealing ring (62) is arranged between the water inlet joint (1) and the fixed end (31) of the one-way valve.
8. The check valve assembly according to claim 1, 2, 3 or 4, wherein the check valve fixing end (31) comprises a hollow center post (312) and through holes (313) arranged on the outer periphery of the center post (312) and distributed at intervals, one end of the check valve moving end (32) is movably inserted into the center post (312), the elastic member (33) is sleeved outside the center post (312), one end of the elastic member (33) abuts against the check valve fixing end (31), and the other end of the elastic member abuts against the check valve moving end (32).
9. A one-way valve assembly according to claim 1, 2, 3 or 4, wherein a sieve (7) is arranged in the water inlet connector (1) on the side of the movable end (32) of the one-way valve remote from the fixed end (31) of the one-way valve.
10. A water heater having a one-way valve assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123644.4U CN210861724U (en) | 2019-07-17 | 2019-07-17 | Check valve subassembly and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123644.4U CN210861724U (en) | 2019-07-17 | 2019-07-17 | Check valve subassembly and water heater |
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| Publication Number | Publication Date |
|---|---|
| CN210861724U true CN210861724U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921123644.4U Active CN210861724U (en) | 2019-07-17 | 2019-07-17 | Check valve subassembly and water heater |
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| Country | Link |
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| CN (1) | CN210861724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425739A (en) * | 2019-07-17 | 2019-11-08 | 华帝股份有限公司 | Check valve subassembly and water heater |
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2019
- 2019-07-17 CN CN201921123644.4U patent/CN210861724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425739A (en) * | 2019-07-17 | 2019-11-08 | 华帝股份有限公司 | Check valve subassembly and water heater |
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