CN109183904B - Be used for pipeline to prevent frostbite to feel water injection well choke - Google Patents
Be used for pipeline to prevent frostbite to feel water injection well choke Download PDFInfo
- Publication number
- CN109183904B CN109183904B CN201811031379.7A CN201811031379A CN109183904B CN 109183904 B CN109183904 B CN 109183904B CN 201811031379 A CN201811031379 A CN 201811031379A CN 109183904 B CN109183904 B CN 109183904B
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- CN
- China
- Prior art keywords
- water
- temperature sensing
- sensing part
- temperature
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 208000001034 Frostbite Diseases 0.000 title abstract description 3
- 238000002347 injection Methods 0.000 title description 2
- 239000007924 injection Substances 0.000 title description 2
- 238000007710 freezing Methods 0.000 claims abstract description 16
- 230000008014 freezing Effects 0.000 claims abstract description 8
- 230000007613 environmental effect Effects 0.000 claims abstract description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 230000002528 anti-freeze Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003350 kerosene Substances 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
- E03B7/10—Devices preventing bursting of pipes by freezing
- E03B7/12—Devices preventing bursting of pipes by freezing by preventing freezing
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Safety Valves (AREA)
Abstract
The invention provides an antifreezing temperature sensing water tap for a pipeline, which comprises a hollow shell, a temperature sensing part accommodated in the shell, a water inlet and a water outlet which are arranged at the front end and the rear end of the shell, wherein the temperature sensing part comprises an elastic outer layer and a low-temperature shrinkage medium accommodated in the elastic outer layer, the temperature sensing part can expand and squeeze the inner wall of the shell above a set environmental temperature to block water flow from the water inlet to the water outlet, and a gap allowing water to flow from the water inlet to the water outlet is formed by shrinkage below the set environmental temperature. Through the temperature sensing part that holds in the shell and can expand or shrink along with the temperature of water, when winter temperature is less than zero degree, keep the flow of water and prevent freezing of water, this is used for pipeline to prevent frostbite to feel warm water mouth simple structure, and the cost is lower.
Description
Technical Field
The invention relates to the field of building materials, in particular to an antifreezing temperature sensing water tap for a pipeline.
Background
At present, the environmental temperature of the south zone of the Yangtze river can reach below zero ℃ in a specific period of time in winter, and the pipeline in the house is extremely easy to break due to the influence of low temperature in the period of time.
Referring to fig. 1, a tap water antifreeze with the bulletin number of CN204690838U comprises a shell, a central rotating shaft, a hand wheel disc, a positioning plate, a rubber retainer ring, a shaft sleeve, an upper water guide plate, a lower water guide plate, an elastic washer, a main pipe joint and a heat insulation jacket, wherein a cylindrical boss is arranged at the central position of the shell, a first internal thread is arranged on the cylindrical boss, a first external thread is arranged on the outer side wall of the central rotating shaft, the central rotating shaft is connected with the shell in a threaded connection manner, the hand wheel disc is fixed at the top end position of the central rotating shaft, the positioning plate is arranged on the cylindrical boss of the shell through the rubber retainer ring, the shaft sleeve is sleeved at the bottom end of the central rotating shaft in a winding manner, the upper water guide plate is positioned under the shaft sleeve, and the elastic washer is arranged under the lower water guide plate.
The prior art has the defects of complex structure and higher use cost.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide the antifreezing temperature sensing water tap for the pipeline, which has a simple structure and low cost.
To achieve the above advantages, the present invention provides an anti-freezing temperature sensing water tap for a pipeline, comprising a hollow housing, a temperature sensing part accommodated in the housing, a water inlet and a water outlet provided at front and rear ends of the housing, the temperature sensing part comprising an elastic outer layer and a low temperature shrinkage medium accommodated in the elastic outer layer, the temperature sensing part being capable of expanding and pressing an inner wall of the housing above a set ambient temperature to block water flow from the water inlet to the water outlet, and shrinking below the set ambient temperature to form a gap allowing water to flow from the water inlet to the water outlet.
In one embodiment of the invention, the chamber within the housing is a cylindrical chamber.
In one embodiment of the invention, the shell is of a cylindrical structure with a bottom plate, and the water outlet is formed in the middle of the bottom plate.
In one embodiment of the invention, the low temperature shrinkage medium is kerosene or mercury.
In one embodiment of the invention, the low temperature shrinkage medium is a gas.
In one embodiment of the present invention, the temperature sensing part has a spherical structure.
In one embodiment of the present invention, the elastic outer layer is made of one of rubber, silica gel, synthetic rubber, and elastic plastic.
In one embodiment of the invention, the pipeline anti-freezing temperature sensing water nozzle further comprises a water tap, and the water tap is communicated with the water inlet.
In one embodiment of the invention, the housing comprises an upper pipe section and a cylindrical lower pipe section, the upper pipe section being fixedly connected with the faucet.
In one embodiment of the present invention, the bottom plate is located at the lower end of the lower pipe section, and the number of the water outlets is plural.
According to the invention, the temperature sensing part which is accommodated in the shell and can expand or contract along with the water temperature is used for keeping the water flowing and preventing the water from freezing when the water temperature in winter is lower than zero.
Drawings
Fig. 1 is a schematic view showing a structure of a tap water antifreeze of the prior art.
Fig. 2 is a schematic view showing a structure of a water tap for preventing freezing of a pipe according to a first embodiment of the present invention.
Fig. 3 is an exploded view of the water tap for preventing freezing of a pipe of fig. 2.
Fig. 4 is a schematic view of the lower pipe section of fig. 2.
Fig. 5 shows a top view of the lower pipe section of fig. 4.
Fig. 6 is a schematic view of the structure of the upper pipe section and the faucet of fig. 2.
Fig. 7 is a schematic sectional view of the temperature sensing unit of fig. 2.
Fig. 8 is a schematic structural view of a temperature sensing unit according to a second embodiment of the present invention.
Fig. 9 is a schematic structural view of a lower pipe section according to a second embodiment of the present invention.
Fig. 10 is a schematic structural view of an upper pipe section according to a second embodiment of the present invention.
Fig. 11 is a schematic structural view showing a water tap for preventing freezing of pipes according to a third embodiment of the present invention.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 2 and 3, the anti-freezing water tap for a pipe according to the first embodiment of the present invention includes a hollow housing 1, a temperature sensing part 2 accommodated in the housing 1, a water inlet 11 and a water outlet 12 provided at front and rear ends of the housing 1. The pipeline antifreezing temperature sensing water nozzle also comprises a water tap 3, wherein the water tap 3 is communicated with the water inlet 11. The chamber within the housing 1 is a cylindrical chamber. The housing 1 comprises an upper pipe section 4 and a cylindrical lower pipe section 5, the upper pipe section 4 being fixedly connected to the tap 3.
Referring to fig. 4 and 5, the housing 1 has a cylindrical structure with a bottom plate 51, and the drain opening 12 is formed in the middle of the bottom plate 51. The bottom plate 51 is positioned at the lower section of the lower pipe section 5, and the number of the water discharge openings 12 is plural. The lower pipe section 5 has a connection 52 to a hose 53.
The upper pipe section 4 and the lower pipe section 5 are detachably connected, and a sealing gasket 6 for sealing is arranged between the upper pipe section 4 and the lower pipe section 5. The upper pipe section 4 and the lower pipe section 5 are connected to form a spherical chamber for accommodating the temperature sensing section 2.
Referring to fig. 6, the upper pipe section 4 has a hemispherical water inlet groove 41, a water inlet hole 411 is formed at an end of the water inlet groove 41, and a plurality of bumps 7 are disposed on an inner wall of the water inlet groove 41 and around the water inlet hole 411. The lower pipe section 5 is internally provided with a hemispherical drain groove 54, the drain groove 54 and the water inlet groove 41 form a cavity capable of accommodating the pressure sensing part, the end part of the drain groove 54 is provided with a drain hole 541, and the inner wall of the drain groove 54 is provided with a plurality of salient points 7 which are arranged around the drain hole 541. The protruding point 7 is used for pressing the temperature sensing part 2, and when the volume of the temperature sensing part 2 is reduced, the protruding point 7 keeps the gap between the temperature sensing part 2 and the water inlet 11 and the water outlet 12.
Referring to fig. 7, the temperature sensing portion 2 has a spherical structure. The temperature sensing part 2 includes an elastic outer layer 21 and a low temperature shrinkage medium 22 accommodated in the elastic outer layer 21, and the elastic outer layer 21 is made of one of rubber, silica gel, synthetic rubber, and elastic plastic. The low temperature shrink medium 22 is kerosene or mercury or the low temperature shrink medium 22 is a gas.
The temperature sensing part 2 can expand and press the inner wall of the shell 1 above a set ambient temperature to block the water flow from the water inlet 11 to the water outlet 12, and contract below the set ambient temperature to form a gap allowing the water to flow from the water inlet 11 to the water outlet 12.
In use, when the water flow temperature is higher than the set temperature, the temperature sensing part 2 is larger, the water inlet 411 and the water outlet 541 are blocked by the temperature sensing part 2, and water is prevented from flowing out. When the temperature is equal to or lower than the set temperature, the volume of the temperature sensing part 2 is reduced, and the temperature sensing part 2 is jacked up by the plurality of protruding points 7 of the water inlet groove 41 and the water outlet groove 54 to keep the gap between the temperature sensing part 2 and the water inlet hole 411 and the water outlet hole 541, so that the water flow is ensured, and the antifreezing effect is achieved.
Referring to fig. 8, 9 and 10, in a second embodiment of the present invention, the temperature sensing portion 2 has a cylindrical structure. The elastic outer layer 21 includes a circumferential surface 211, an upper surface 212, and a lower surface 213. The upper pipe section 4 and the lower pipe section 5 are connected to form a cylindrical chamber accommodating the temperature sensing section 2. The upper pipe section 4 is internally provided with a water inlet device 8 corresponding to the upper surface 212, the middle part of the water inlet device 8 is provided with a water inlet hole 411, the water inlet device 8 is provided with a plurality of convex points 7 protruding towards the temperature sensing part 2, the lower pipe section 5 is internally provided with a water draining device 9 corresponding to the lower surface 213, the middle part of the water draining device 9 is provided with a water draining hole 541, and the water draining device 9 is provided with a plurality of convex points 7 protruding towards the temperature sensing part 2.
When the water flow temperature is higher than the set temperature in the use process, the temperature sensing part 2 is larger in volume, the water inlet 411 and the water outlet 541 are blocked by the temperature sensing part 2, and water is prevented from flowing out; when the temperature is equal to or lower than the set temperature, the volume of the temperature sensing part 2 is reduced, and the temperature sensing part 2 is jacked up by the plurality of convex points 7 of the water inlet device 8 and the water outlet device 9, so that the temperature sensing part 2 keeps a gap with the water inlet hole 411 and the water outlet hole 541, the flow of water is ensured, and the anti-freezing effect is achieved. Compared with the temperature sensing part 2 with the spherical structure of the first embodiment, the temperature sensing part 2 of the present embodiment has simpler structure and lower requirement on processing precision.
Referring to fig. 11, in a third embodiment of the present invention, the outer surface of the upper pipe section 4 facing away from the drain port 12 has threads 42 for threaded engagement with the female connector. The upper pipe section 4 is in threaded connection with the female threaded joint, the lower pipe section 5 is in sealed connection with the upper pipe section 4 through a sealing gasket 6, and the temperature sensing part 2 is positioned between the upper pipe section 4 and the lower pipe section 5.
Compared with the temperature sensing water nozzle of the first embodiment, the temperature sensing water nozzle of the first embodiment further comprises the water faucet 3, the water faucet 3 is communicated with the water inlet 11, the temperature sensing water nozzle of the first embodiment is small in size and can be installed at a hidden position, and the influence on the appearance due to the fact that the hose 53 is externally connected is avoided.
In the fourth embodiment of the present invention, the set temperature of the temperature sensing unit 2 is 4 ℃. To prevent the water pipe from being affected by the sudden cold flow, the temperature sensing part 2 may be reduced to allow the water flow from the water inlet 11 to the water outlet 12 when the water temperature is equal to or lower than 4 degrees celsius.
In the invention, the temperature sensing part 2 which is accommodated in the shell 1 and can expand or contract along with the water temperature keeps the water flowing and prevents the water from freezing when the water temperature is lower than zero in winter, thereby realizing the anti-freezing effect of the pipeline.
The present invention is not limited to the above embodiments, but is capable of modification in all aspects and variations in all aspects without departing from the spirit and scope of the present invention.
Claims (8)
1. The anti-freezing temperature-sensing water tap for the pipeline is characterized by comprising a hollow shell, a temperature sensing part accommodated in the shell, a water inlet and a water outlet which are arranged at the front end and the rear end of the shell, and a water tap which is communicated with the water inlet; the temperature sensing part comprises an elastic outer layer and a low-temperature shrinkage medium accommodated in the elastic outer layer, the temperature sensing part can expand and squeeze the inner wall of the shell above a set environmental temperature to block water flow from the water inlet to the water outlet, and the temperature sensing part shrinks below the set environmental temperature to form a gap allowing water to flow from the water inlet to the water outlet;
the shell comprises an upper pipe section and a cylindrical lower pipe section, the upper pipe section is fixedly connected with the faucet, and the upper pipe section is connected with the lower pipe section to form a spherical cavity for accommodating the temperature sensing part;
the inner wall of the water inlet groove is provided with a plurality of salient points which are arranged around the water inlet hole; the inner part of the lower pipe section is provided with a hemispherical drainage groove, the drainage groove and the water inlet groove form a cavity capable of accommodating the temperature sensing part, the end part of the drainage groove is provided with a drainage hole, and the inner wall of the drainage groove is provided with a plurality of salient points which are arranged around the drainage hole; the convex points are used for extruding the temperature sensing part, and when the volume of the temperature sensing part is reduced, the convex points enable the temperature sensing part to keep gaps with the water inlet and the water outlet;
when the water flow temperature is higher than the set temperature, the temperature sensing part is larger in volume, the water inlet hole and the water outlet hole are blocked by the temperature sensing part, and water is prevented from flowing out; when the temperature is equal to or lower than the set temperature, the volume of the temperature sensing part is reduced, and the temperature sensing part is jacked up by the water inlet groove and the water draining groove to keep gaps among the temperature sensing part, the water inlet hole and the water draining hole, so that the water flow is ensured, and the antifreezing is performed.
2. The chilled water nozzle for pipes of claim 1, wherein the chamber within the housing is a cylindrical chamber.
3. The water tap for preventing freezing of pipes according to claim 2, wherein the housing has a cylindrical structure having a bottom plate, and the water outlet is formed in the middle of the bottom plate.
4. The antifreeze water nozzle for pipes according to claim 1, wherein the low temperature shrinkage medium is kerosene or mercury.
5. The antifreeze water nozzle for pipes according to claim 1, wherein the low temperature shrinkage medium is a gas.
6. The water tap for preventing freezing of pipes according to claim 3, wherein the temperature sensing part has a spherical structure.
7. The anti-freezing water tap for pipes according to claim 1, wherein the elastic outer layer is made of one of rubber, silica gel, and elastic plastic.
8. The anti-freezing water tap for a pipeline according to claim 3, wherein the bottom plate is positioned at the lower end of the lower pipe section, and the number of the water outlets is plural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031379.7A CN109183904B (en) | 2018-09-05 | 2018-09-05 | Be used for pipeline to prevent frostbite to feel water injection well choke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031379.7A CN109183904B (en) | 2018-09-05 | 2018-09-05 | Be used for pipeline to prevent frostbite to feel water injection well choke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109183904A CN109183904A (en) | 2019-01-11 |
| CN109183904B true CN109183904B (en) | 2024-04-02 |
Family
ID=64914507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811031379.7A Active CN109183904B (en) | 2018-09-05 | 2018-09-05 | Be used for pipeline to prevent frostbite to feel water injection well choke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109183904B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128481A (en) * | 2020-09-10 | 2020-12-25 | 杨爱明 | Outdoor anti-freezing water faucet |
| CN113216419B (en) * | 2021-04-19 | 2021-11-26 | 浙江雅杰集成房屋有限公司 | Precast concrete building board installation connecting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201909036U (en) * | 2010-12-17 | 2011-07-27 | 冯建京 | Anti-freezing valve with function of temperature control |
| CN202708290U (en) * | 2012-08-07 | 2013-01-30 | 广东万家乐燃气具有限公司 | Anti-freezing drainage valve |
| CN104696582A (en) * | 2015-03-20 | 2015-06-10 | 广东美的暖通设备有限公司 | Water switch and air-conditioner with water switch |
| CN204690838U (en) * | 2015-01-06 | 2015-10-07 | 中科润通（天津）防冻科技有限公司 | A kind of Anti-freezing device for running water |
| KR101822787B1 (en) * | 2017-03-13 | 2018-01-29 | 김상만 | Device for Preventing Freeze-burst of Water Facilities |
| CN107787387A (en) * | 2015-06-09 | 2018-03-09 | 须藤优质工程有限公司 | Defroster |
| CN207145750U (en) * | 2017-06-19 | 2018-03-27 | 华帝股份有限公司 | Ceramic structure frost valve |
| CN209082608U (en) * | 2018-09-05 | 2019-07-09 | 浙江伟星新型建材股份有限公司 | One kind being used for freezing prevention tubing temperature-sensitive water nozzle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530391B1 (en) * | 2001-08-31 | 2003-03-11 | Research By Copperhead Hill, Inc. | Temperature activated valve |
| IT1391595B1 (en) * | 2008-10-30 | 2012-01-11 | Caleffi Spa | ANTIFREEZE VALVE SYSTEM FOR HYDRAULIC AND WATER ACCUMULATION SYSTEMS |
-
2018
- 2018-09-05 CN CN201811031379.7A patent/CN109183904B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201909036U (en) * | 2010-12-17 | 2011-07-27 | 冯建京 | Anti-freezing valve with function of temperature control |
| CN202708290U (en) * | 2012-08-07 | 2013-01-30 | 广东万家乐燃气具有限公司 | Anti-freezing drainage valve |
| CN204690838U (en) * | 2015-01-06 | 2015-10-07 | 中科润通（天津）防冻科技有限公司 | A kind of Anti-freezing device for running water |
| CN104696582A (en) * | 2015-03-20 | 2015-06-10 | 广东美的暖通设备有限公司 | Water switch and air-conditioner with water switch |
| CN107787387A (en) * | 2015-06-09 | 2018-03-09 | 须藤优质工程有限公司 | Defroster |
| KR101822787B1 (en) * | 2017-03-13 | 2018-01-29 | 김상만 | Device for Preventing Freeze-burst of Water Facilities |
| CN207145750U (en) * | 2017-06-19 | 2018-03-27 | 华帝股份有限公司 | Ceramic structure frost valve |
| CN209082608U (en) * | 2018-09-05 | 2019-07-09 | 浙江伟星新型建材股份有限公司 | One kind being used for freezing prevention tubing temperature-sensitive water nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109183904A (en) | 2019-01-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201202 Address after: 317000 No.6 Qianjiang South Road, Dayang street, Taizhou City, Zhejiang Province Applicant after: Linhai Weixing New Building Materials Co.,Ltd. Address before: 317000 Taizhou Economic Development Zone, Zhejiang Applicant before: ZHEJIANG WEIXING NEW BUILDING MATERIALS Co.,Ltd. |
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| GR01 | Patent grant |