CN211667208U - Check valve with cleaning bolt and central hot water system - Google Patents
Check valve with cleaning bolt and central hot water system Download PDFInfo
- Publication number
- CN211667208U CN211667208U CN201921859712.3U CN201921859712U CN211667208U CN 211667208 U CN211667208 U CN 211667208U CN 201921859712 U CN201921859712 U CN 201921859712U CN 211667208 U CN211667208 U CN 211667208U
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- China
- Prior art keywords
- hot water
- flow passage
- water flow
- check valve
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a check valve that area clearance was tied, include: the valve body is provided with a hot water flow passage, a cold water flow passage and a bypass pipeline, the hot water flow passage is communicated with the cold water flow passage through the bypass pipeline, and a one-way valve body which conducts the hot water flow passage to the cold water flow passage in a one-way mode is arranged in the bypass pipeline; the hot water circulation system is characterized in that a cleaning bolt is detachably mounted in the hot water flow channel, the cleaning bolt comprises a filter screen and a magnet arranged in the filter screen, and the filter screen separates the bypass pipeline from the hot water flow channel. The utility model can prevent the one-way valve from being blocked and prolong the service life of the one-way valve; and the cleaning is convenient, only the cleaning bolt needs to be detached during cleaning, and the whole one-way valve does not need to be detached. The utility model also provides a central hot water system.
Description
Technical Field
The utility model relates to a fluid heater technical field especially relates to a check valve and central hot water system that area clearance was tied.
Background
The central hot water system is one hot water supplying system with hot water when the water tap is opened. The heat source of the central water heating system has various choices, and the traditional ones include coal stove, electric water heating stove, gas stove, oil boiler, etc. As the central hot water system gradually enters the home, a gas water heater, an electric water heater, a solar water heater, etc. are also used as heat sources.
When the existing central hot water system does not have a water return pipeline, a one-way valve needs to be installed at a water using point at the farthest end so as to form a closed loop by a hot water pipe and a cold water pipe, and the structure of the one-way valve is shown in fig. 1. The problem of blocking generally exists at present check valve, need tear whole check valve down from waterway system when the clearance to the clearance is more troublesome, directly leads to the check valve to become invalid even, seriously influences the user and uses.
Disclosure of Invention
To the defect that exists among the prior art, the utility model aims to provide a take check valve of clearance bolt utilizes the clearance bolt to adsorb the dirt of aquatic, prevents that the check valve from blockking up, prolongs check valve life and can tear down the clearance bolt at any time and wash.
The utility model also provides a central authorities' hot water system who has above-mentioned check valve.
In order to achieve the above purpose, the utility model adopts the following high speed scheme.
A check valve with a clearing plug, comprising: the valve body is provided with a hot water flow passage, a cold water flow passage and a bypass pipeline, the hot water flow passage is communicated with the cold water flow passage through the bypass pipeline, and a one-way valve body which conducts the hot water flow passage to the cold water flow passage in a one-way mode is arranged in the bypass pipeline; the hot water circulation system is characterized in that a cleaning bolt is detachably mounted in the hot water flow channel, the cleaning bolt comprises a filter screen and a magnet arranged in the filter screen, and the filter screen separates the bypass pipeline from the hot water flow channel.
More preferably, the check valve body includes: the water flow passage comprises a pipe body forming a water flow passage, a valve core movably arranged in the pipe body, and a spring connected between the valve core and the pipe body.
More preferably, the outer wall of the pipe body is sealed with the inner wall of the bypass pipe by a first sealing ring.
More preferably, the valve core is sealed with the water through hole on the pipe body through a second sealing ring.
More preferably, the filter screen and the magnet are fixed to a screw head, and the cleaning bolt is in threaded connection with the hot water flow passage through the screw head.
More preferably, a third seal ring is provided on the screw head.
More preferably, the filter screen is a tubular structure, the magnet is a columnar structure, and the magnet is located on an axis of the filter screen.
A central water heater system comprising: the hot water pipeline is connected with a hot water outlet end of the water heater, the cold water pipeline is connected with a cold water inlet end of the water heater, and the hot water pipeline and the cold water pipeline respectively provide hot water and cold water for the water consumption point; the water-saving device is characterized in that the check valve is arranged at the farthest water using point, and a hot water flow passage and a cold water flow passage of the check valve are respectively connected with the hot water pipeline and the cold water pipeline in series.
More preferably, the water heater is at least one of a gas water heater, an electric water heater, a solar water heater and an air energy water heater.
The utility model has the advantages that:
one, through set up the clearance bolt in the hot water runner to the filter screen with the clearance bolt separates bypass pipe and hot water runner, before hot water gets into check valve body, under the dual function of filter screen and magnet, can adsorb most impurity, prevents that the inside quilt of check valve body from being stopped up, prolongs the life of check valve.
Two, because filter screen and magnet are fixed on a thread head, the clearance is tied and is passed through the threaded fixation in the valve body, can dismantle at any time and wash impurity, and only need when wasing pull down the clearance tie can, need not pull down whole check valve, very big convenience the washing of user.
Drawings
Fig. 1 is a schematic structural view of a conventional check valve.
Fig. 2 is a schematic view of the check valve structure provided by the present invention.
Fig. 3 shows a cross-sectional view of fig. 2.
Fig. 4 is a schematic diagram of a central hot water system.
Description of reference numerals:
1: valve body, 2: hot water flow passage, 3: cold water flow passage, 4: bypass line, 5: check valve body, 6: cleaning plug, 7: first seal ring, 8: second seal ring, 9: water heater, 10: hot water line, 11: cold water line, 12: water application point, 13: a one-way valve.
5-1: pipe body, 5-2: valve core, 5-3: a spring.
6-1: filter screen, 6-2: magnet, 6-3: thread head, 6-4: and a third sealing ring.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Example 1
As shown in fig. 2 and 3, a check valve with a clearing plug comprises: the valve comprises a valve body 1, a hot water flow passage 2, a cold water flow passage 3 and a bypass pipeline 4 which are arranged on the valve body 1, wherein the bypass pipeline 4 is used for communicating the hot water flow passage 2 with the cold water flow passage 3, and a one-way valve body 5 which is used for conducting the hot water flow passage 2 to the cold water flow passage 3 in a one-way mode is arranged in the bypass pipeline 4; the hot water circulation system is characterized in that a cleaning bolt 6 is detachably mounted in the hot water flow channel 2, the cleaning bolt 6 comprises a filter screen 6-1 and a magnet 6-2 arranged in the filter screen 6-1, and the filter screen 6-1 separates the bypass pipeline 4 from the hot water flow channel 2.
In this embodiment, the check valve body 5 includes: the valve comprises a pipe body 5-1, a valve core 5-2 movably arranged in the pipe body 5-1, and a spring 5-3 connected between the valve core 5-2 and the pipe body 5-1. The inside of the pipe body 5-1 forms a water flowing channel, the outer wall of the pipe body 5-1 is sealed with the inner wall of the bypass pipeline 4 through a first sealing ring 7, and the valve core 5-2 is sealed with a water passing hole in the pipe body 5-1 through a second sealing ring 8, so that the one-way conduction and cut-off effects are ensured.
Preferably, the filter screen 6-1 and the magnet 6-2 are fixed on a screw head 6-3, and the cleaning bolt 6 is in threaded connection with the hot water flow passage 2 through the screw head 6-3, so that the cleaning bolt 6 can be detached and cleaned conveniently. And a third sealing ring 6-4 is also arranged on the threaded head 6-3 to ensure the sealing property between the threaded head 6-3 and the hot water runner 2 and avoid water leakage.
Further preferably, the filter screen 6-1 is a cylindrical structure, the magnet 6-2 is a cylindrical structure, and the magnet 6-2 is located on the axis of the filter screen 6-1, so as to ensure the filtering and adsorbing effects.
The one-way valve of area clearance bolt that this embodiment provided, its theory of operation is as follows: before hot water gets into check valve body 5, at first through filter screen and the magnet on clearance bolt 6, under the dual function of filter screen and magnet, can adsorb most impurity, prevent that the inside quilt of check valve body 5 from being stopped up, the life of extension check valve. On the other hand, clearance bolt 6 passes through the threaded fixation in valve body 1, can dismantle at any time and wash impurity, and only need when wasing pull down clearance bolt 6 can, need not pull down whole check valve, very big convenience the washing of user.
Example 2
As shown in fig. 4, a central water heater system includes: the water heater comprises a water heater 9, a hot water pipeline 10, a cold water pipeline 11 and a water consumption point 12, wherein the hot water pipeline 10 is connected with a hot water outlet end of the water heater 9, the cold water pipeline 11 is connected with a cold water inlet end of the water heater 9, and the hot water pipeline 10 and the cold water pipeline 11 respectively provide hot water and cold water for the water consumption point 12; the water-saving device is characterized in that the check valve 13 in embodiment 1 is arranged at the farthest water-using point, and the hot water flow passage and the cold water flow passage of the check valve 13 are respectively connected in series with the hot water pipeline 10 and the cold water pipeline 11.
The water heater 9 is a gas water heater, and in other embodiments, the water heater 9 is one or more of an electric water heater, a solar water heater, and an air-source water heater, and is not limited to this embodiment.
This embodiment provides a central hot water system, which has all the advantages of embodiment 1, and will not be described herein.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (9)
1. A check valve with a clearing plug, comprising: the valve body is provided with a hot water flow passage, a cold water flow passage and a bypass pipeline, the hot water flow passage is communicated with the cold water flow passage through the bypass pipeline, and a one-way valve body which conducts the hot water flow passage to the cold water flow passage in a one-way mode is arranged in the bypass pipeline; the hot water circulation system is characterized in that a cleaning bolt is detachably mounted in the hot water flow channel, the cleaning bolt comprises a filter screen and a magnet arranged in the filter screen, and the filter screen separates the bypass pipeline from the hot water flow channel.
2. A check valve with a clearing plug as claimed in claim 1, characterized in that said check valve body comprises: the water flow passage comprises a pipe body forming a water flow passage, a valve core movably arranged in the pipe body, and a spring connected between the valve core and the pipe body.
3. A check valve with clearing pin according to claim 2 characterized in that outer wall of said pipe body is sealed with inner wall of said bypass pipe by first sealing ring.
4. The check valve with the clearing plug as claimed in claim 2, wherein the valve core is sealed with the water through hole on the pipe body by a second sealing ring.
5. A check valve with a clearing plug according to claim 1 characterized in that said filter screen and said magnet are fixed on a screw head, said clearing plug is screw connected with said hot water flow passage through said screw head.
6. A check valve with clearing pin according to claim 5 characterized in that third sealing ring is provided on said screw head.
7. The check valve with the clearing bolt as claimed in claim 1, wherein the filter screen is a cylindrical structure, the magnet is a columnar structure, and the magnet is located on the axis of the filter screen.
8. A central hot water system comprising: the hot water pipeline is connected with a hot water outlet end of the water heater, the cold water pipeline is connected with a cold water inlet end of the water heater, and the hot water pipeline and the cold water pipeline respectively provide hot water and cold water for the water consumption point; the water-saving water heater is characterized in that the farthest water using point is provided with a one-way valve according to any one of claims 1-7, and a hot water flow passage and a cold water flow passage of the one-way valve are respectively connected with the hot water pipeline and the cold water pipeline in series.
9. A central hot water system according to claim 8, wherein the water heater is at least one of a gas water heater, an electric water heater, a solar water heater, and an air-powered water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921859712.3U CN211667208U (en) | 2019-10-31 | 2019-10-31 | Check valve with cleaning bolt and central hot water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921859712.3U CN211667208U (en) | 2019-10-31 | 2019-10-31 | Check valve with cleaning bolt and central hot water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211667208U true CN211667208U (en) | 2020-10-13 |
Family
ID=72730543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921859712.3U Expired - Fee Related CN211667208U (en) | 2019-10-31 | 2019-10-31 | Check valve with cleaning bolt and central hot water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211667208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524290A (en) * | 2020-11-30 | 2021-03-19 | 宁波方太厨具有限公司 | Self-adjusting check valve assembly of circulating water heater and zero-cold-water gas water heater system |
-
2019
- 2019-10-31 CN CN201921859712.3U patent/CN211667208U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524290A (en) * | 2020-11-30 | 2021-03-19 | 宁波方太厨具有限公司 | Self-adjusting check valve assembly of circulating water heater and zero-cold-water gas water heater system |
| CN112524290B (en) * | 2020-11-30 | 2022-03-08 | 宁波方太厨具有限公司 | Self-adjusting check valve assembly of circulating water heater and zero-cold-water gas water heater system |
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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: 20201013 |