CN211315211U - Water valve for preventing water heater from being started by mistake and water heater - Google Patents
Water valve for preventing water heater from being started by mistake and water heater Download PDFInfo
- Publication number
- CN211315211U CN211315211U CN201921640861.0U CN201921640861U CN211315211U CN 211315211 U CN211315211 U CN 211315211U CN 201921640861 U CN201921640861 U CN 201921640861U CN 211315211 U CN211315211 U CN 211315211U
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- water
- valve
- push rod
- valve body
- cold water
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Abstract
The utility model discloses a prevent water valve of water heater mistake start-up, including the water valve body, the water valve body is including intaking end and hot water end, be equipped with the check valve in the water valve body, the cold water end passes through the check valve intercommunication with the hot water end, the check valve includes check valve body, case, spring and push rod, the case all overlaps with the push rod in the check valve body, the spring sets up between case and check valve body, the case includes head and afterbody, the head of case is close to the hot water end, the one end of push rod and the afterbody butt of case, the other one end of push rod stretches into at the cold water end. The utility model discloses an increasing the push rod in one side that is close to cold water end, when the user only used cold water, the water pressure of cold water end can push down the push rod, and this water pressure can provide thrust, and this thrust is used in the afterbody of case, prevents that the mistake of check valve from opening.
Description
Technical Field
The utility model relates to a water heater field, especially water heater's check valve.
Background
The gas water heater with instant heating function needs to install a one-way valve at the water using end of a water pipe to realize closed cycle heating of a water path. The check valve comprises water valve main part, cold water inlet, cold water outlet, hot water inlet, hot water outlet and check valve core, and cold water end and hot water end pass through the check valve and connect, and when the user only used cold water, if the cold water flow was on the large side or user's family well water pipe was on the long side, the water that leads to the hot water end easily flowed into the cold water end through the check valve to lead to the false start of water heater. This not only affects the user experience, but also affects the service life of the water heater because of the frequent starting of the water heater.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the valve body structure can not cause the false start of the water heater when only cold water is used.
The utility model provides a solution of its technical problem is: the utility model provides a prevent water valve of water heater mistake start-up, includes the water valve body, the water valve body is including intaking end and hot water end, be equipped with the check valve in the water valve body, cold water end passes through the check valve intercommunication with the hot water end, the check valve includes check valve body, case, spring and push rod, case and push rod all overlap in the check valve body, the spring sets up between case and check valve body, the case includes head and afterbody, the head of case is close to the hot water end, the one end of push rod and the afterbody butt of case, the other one end of push rod stretches into at cold water end.
The utility model has the advantages that: the utility model discloses an increasing the push rod in one side that is close to cold water end, when the user only used cold water, the water pressure of cold water end can push down the push rod, and this water pressure can provide thrust, and this thrust is used in the afterbody of case, prevents that the mistake of check valve from opening.
As a further improvement of the above technical solution, a first sealing ring is arranged at the head of the valve core, and the first sealing ring is abutted against the inner side of the one-way valve body.
As a further improvement of the above technical solution, the inner surface of the water valve body is provided with a positioning step surface and a sealing step surface, the one-way valve body abuts against the positioning step surface, the outer side of the one-way valve body is provided with a second sealing ring, and the second sealing ring abuts against the sealing step surface. The one-way valve can be more reliably mounted in a sealing mode by adding the positioning step and the sealing step in the valve body.
As a further improvement of the above technical solution, a push rod channel is arranged in the valve body of the one-way valve, the push rod comprises a rod body, the front end of the rod body is provided with an abutting part, the rear end of the rod body is provided with a thrust part, the abutting part abuts against the tail part of the valve core, and the thrust part is provided with a cold water end; the outer diameter of the rod body is smaller than the inner diameter of the push rod channel, and the outer diameters of the abutting part and the thrust part are both larger than the inner diameter of the push rod channel. The push rod moves in the push rod, and in the moving process, the push rod is limited by the thrust part and the abutting part, so that the push rod is prevented from moving excessively.
As a further improvement of the above technical solution, the check valve body includes a rear seat and a front cover, the front cover is sleeved on the rear seat, the rear seat includes a bottom plate and a middle plate, the push rod passage is disposed on the bottom plate, the middle plate is provided with a through hole, and the tail of the valve core is sleeved in the through hole.
As a further improvement of the above technical solution, the cold water end includes a cold water inlet and a cold water outlet, the hot water end includes a hot water inlet and a hot water outlet, a flow direction of the cold water inlet and a flow direction of the hot water inlet are parallel to each other, and an axis of the valve core and an axis of the push rod are parallel to each other; the flow direction of the cold water inlet is perpendicular to that of the cold water outlet, and the flow direction of the hot water inlet is perpendicular to that of the hot water outlet.
Simultaneously the utility model also provides a water heater of using above-mentioned water valve.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a cross-sectional view of a water valve of the present invention;
fig. 2 is an exploded view of the check valve of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. The preferred embodiment of the present invention is shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution. Meanwhile, all technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 to 2, a water valve for preventing a water heater from being started by mistake includes a water valve body 1, the water valve body 1 includes a water inlet end 2 and a hot water end 3, a check valve 4 is disposed in the water valve body 1, the cold water end 2 is communicated with the hot water end 3 through the check valve 4, the check valve 4 includes a check valve body 41, a valve core 42, a spring 43 and a push rod 44, the valve core 42 and the push rod 44 are both sleeved in the check valve body 41, the spring 43 is disposed between the valve core 42 and the check valve body 41, the valve core 42 includes a head 421 and a tail 422, the head 421 of the valve core 42 is close to the hot water end 3, one end of the push rod 44 is abutted to the tail 422 of the valve core 42, and the other end of the push rod 42 extends into the cold water end 2.
When only the cold water end uses water, the push rod 44 is pushed to move by the impact force of water flow, and the push rod 44 presses the valve core 42 of the one-way 4 valve under the impact pressure of the water flow because the pressure of the cold water end is greater than that of the hot water end, so that the one-way valve 4 is in a closed state, the water flow at the hot water end is prevented from flowing to the cold water end through the one-way valve, and the aim of preventing the water heater from being started by mistake by boiling cold water is fulfilled.
In a further preferred embodiment, a first seal ring 5 is provided at the head of the valve body 42, and the first seal ring 5 abuts against the inside of the one-way valve body 41.
In a further preferred embodiment, the inner surface of the water valve body 1 is provided with a positioning step surface and a sealing step surface, the one-way valve body abuts against the positioning step surface, the outer side of the one-way valve body 41 is provided with a second sealing ring 6, and the second sealing ring abuts against the sealing step surface. The one-way valve can be more reliably mounted in a sealing mode by adding the positioning step and the sealing step in the valve body.
In a further preferred embodiment, the check valve body 41 is provided with a push rod channel, the push rod 44 includes a rod body 441, the front end of the rod body 441 is provided with an abutting portion 442, the rear end of the rod body 441 is provided with a thrust portion 443, the abutting portion 442 abuts against the tail of the valve body 42, and the thrust portion 443 is provided with a cold water end; the outer diameter of the rod body 441 is smaller than the inner diameter of the push rod channel, and the outer diameters of the abutting portion and the thrust portion are both larger than the inner diameter of the push rod channel. The push rod moves in the push rod, and in the moving process, the push rod is limited by the thrust part and the abutting part, so that the push rod is prevented from moving excessively.
Further as a preferred embodiment, the check valve body 41 includes a rear seat 411 and a front cover 412, the front cover 412 is sleeved on the rear seat 412, the rear seat includes a bottom plate and a middle plate, the push rod channel is disposed on the bottom plate, the middle plate is provided with a through hole, and the tail of the valve core 42 is sleeved in the through hole.
In a further preferred embodiment, the cold water end 2 comprises a cold water inlet 21 and a cold water outlet 22, the hot water end 3 comprises a hot water inlet 31 and a hot water outlet 32, the flow direction of the cold water inlet 21 and the flow direction of the hot water inlet 31 are parallel to each other, and the axis of the valve core 42 and the axis of the push rod 44 are parallel to each other; the cold water inlet 21 and the cold water outlet 22 are perpendicular to each other, and the hot water inlet 31 and the hot water outlet 32 are perpendicular to each other.
Simultaneously the utility model also provides a water heater of using above-mentioned water valve. The water heater comprises a water system, wherein the water system comprises a cold water inlet pipe, a water heater, a circulating water pump, a water consumption point and a water valve, and the water valve is positioned at the far end of the water heater (the position which is close to the water consumption point at the farthest end). The hot water end and the cold water end of the water valve are respectively connected with a hot water outlet pipe of the water heater and a tap water inlet cold water pipe, so that the hot water and the cold water form a one-way loop. Meanwhile, the water valve is connected with the water mixing valve corresponding to the hot water outlet and the cold water outlet, and a user can independently adjust the water mixing proportion.
When the water heater is started to perform circulating heating, the water using point is in a closed state, namely a hot water port and a cold water end of the water valve are in a closed state, at the moment, hot water and cold water are conducted to form a circulating loop by the water valve under the power provided by the circulating water pump, when the water in the circulating loop is heated to a set temperature or reaches a set circulating time by the water pump, the circulation is stopped, and at the moment, hot water can be discharged by boiling water of a user.
When a user only uses cold water, the cold water outlet 22 is opened, and simultaneously, the cold water at the cold water inlet impacts the push rod 44 of the water valve to press the check valve core, so that hot water is prevented from entering the cold water part, and the function of preventing the water heater from being started by mistake when the cold water is opened is realized.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a prevent water valve of water heater mistake start-up which characterized in that: the water valve comprises a water valve body, wherein the water valve body comprises a cold water end and a hot water end, a one-way valve is arranged in the water valve body, the cold water end is communicated with the hot water end through the one-way valve, the one-way valve comprises a one-way valve body, a valve core, a spring and a push rod, the valve core and the push rod are both sleeved in the one-way valve body, the spring is arranged between the valve core and the one-way valve body, the valve core comprises a head part and a tail part, the head part of the valve core is close to the hot water end, one end of the push rod is abutted to the tail part of the valve core, and the other end of the push rod.
2. The water valve for preventing the false start of the water heater according to claim 1, wherein: the head of the valve core is provided with a first sealing ring which is abutted against the inner side of the one-way valve body.
3. The water valve for preventing the false start of the water heater according to claim 1, wherein: the inner surface of the water valve body is provided with a positioning step surface and a sealing step surface, the one-way valve body is abutted against the positioning step surface, the outer side of the one-way valve body is provided with a second sealing ring, and the second sealing ring is abutted against the sealing step surface.
4. The water valve for preventing the false start of the water heater according to claim 1, wherein: a push rod channel is arranged in the valve body of the one-way valve, the push rod comprises a rod body, the front end of the rod body is provided with an abutting part, the rear end of the rod body is provided with a thrust part, the abutting part abuts against the tail part of the valve core, and the thrust part is provided with a cold water end; the outer diameter of the rod body is smaller than the inner diameter of the push rod channel, and the outer diameters of the abutting part and the thrust part are both larger than the inner diameter of the push rod channel.
5. The water valve of claim 4, wherein the water valve is configured to prevent false activation of a water heater, and wherein: the valve body of the one-way valve comprises a rear seat and a front cover, the front cover is sleeved on the rear seat, the rear seat comprises a bottom plate and a middle plate, the push rod channel is arranged on the bottom plate, the middle plate is provided with a through hole, and the tail part of the valve core is sleeved in the through hole.
6. The water valve for preventing the false start of the water heater according to claim 1, wherein: the cold water end comprises a cold water inlet and a cold water outlet, the hot water end comprises a hot water inlet and a hot water outlet, and the flow direction of the cold water inlet is parallel to that of the hot water inlet, and the axis of the valve core is parallel to that of the push rod; the flow direction of the cold water inlet is perpendicular to that of the cold water outlet, and the flow direction of the hot water inlet is perpendicular to that of the hot water outlet.
7. A water heater including a water valve as claimed in any one of claims 1 to 6 for preventing inadvertent actuation of the water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640861.0U CN211315211U (en) | 2019-09-27 | 2019-09-27 | Water valve for preventing water heater from being started by mistake and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640861.0U CN211315211U (en) | 2019-09-27 | 2019-09-27 | Water valve for preventing water heater from being started by mistake and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315211U true CN211315211U (en) | 2020-08-21 |
Family
ID=72054399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640861.0U Expired - Fee Related CN211315211U (en) | 2019-09-27 | 2019-09-27 | Water valve for preventing water heater from being started by mistake and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228592A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Check valve and gas water heater system comprising same |
| CN114508613A (en) * | 2022-01-10 | 2022-05-17 | 青岛澳柯玛生活电器有限公司 | Zero cold water one-way valve of gas water heater |
-
2019
- 2019-09-27 CN CN201921640861.0U patent/CN211315211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228592A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Check valve and gas water heater system comprising same |
| CN112228592B (en) * | 2020-09-29 | 2022-01-28 | 宁波方太厨具有限公司 | Check valve and gas water heater system comprising same |
| CN114508613A (en) * | 2022-01-10 | 2022-05-17 | 青岛澳柯玛生活电器有限公司 | Zero cold water one-way valve of gas water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |