CN113585398B - Anti-freezing connection control valve for water pipe - Google Patents
Anti-freezing connection control valve for water pipe Download PDFInfo
- Publication number
- CN113585398B CN113585398B CN202110918001.4A CN202110918001A CN113585398B CN 113585398 B CN113585398 B CN 113585398B CN 202110918001 A CN202110918001 A CN 202110918001A CN 113585398 B CN113585398 B CN 113585398B
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- Prior art keywords
- water
- close
- storage cavity
- water inlet
- fixedly arranged
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention belongs to the field of water pipes, and particularly relates to an antifreezing connection control valve for a water pipe, which comprises a shell, wherein a water inlet is formed in one side of the shell, a water storage cavity is formed in the shell, a self-locking mechanism is arranged in the water storage cavity and close to the water inlet, the self-locking mechanism can automatically block the water inlet when a faucet is closed, an isolating mechanism is arranged on the surface of the shell, which is perpendicular to the water inlet, a water absorbing mechanism is arranged on the side, close to the isolating mechanism, of the water storage cavity, water in the water pipe on the ground can be emptied by the isolating mechanism, external cold air is isolated, a water outlet cavity is blocked by a heat insulating piston, the external cold air is blocked outside the water outlet cavity, the cold air is prevented from entering the water storage cavity, the water in the water storage cavity is frozen, and the device can empty the water in the water pipe on the ground, effectively isolate the external cold air, and prevent the water pipe from freezing and cracking.
Description
Technical Field
The invention belongs to the field of water pipes, and particularly relates to an anti-freezing connection control valve for a water pipe.
Background
With the increasing popularization of tap water application, a running water pipe is often arranged in a courtyard in rural areas so as to facilitate water use, but in winter in northern areas, the water pipe exposed outside is often subjected to heat preservation to prevent the water pipe from frost cracking, and the common method is that all the water pipe is wrapped by old cotton clothes or a sponge mechanism, so that the outside cold air is isolated outside the water pipe; secondly, long flowing water is used for enabling the water to be in a flowing state all the time; and the heating belt is wound to enable the water pipe to be in a constant temperature state, the first method has the phenomenon that the water pipe is frozen and cracked when the winding is improper, the second method can cause great waste of water, and when the weather is particularly cold, the water pipe cannot be prevented from being frozen by small water flow, and the third method can cause waste of electric power
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a water pipe anti-freezing connection control valve capable of draining water in a water pipe on the ground.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a water pipe connection control valve that prevents frostbite, includes the shell, one side of shell is equipped with the water inlet, be equipped with the water storage chamber in the shell, be close to in the water storage chamber water inlet department is equipped with self-locking mechanism, self-locking mechanism can be automatic with the water inlet is plugged up when tap closes, perpendicular on the shell the water inlet is equipped with isolation mechanism on the face, the water storage intracavity is close to the isolation mechanism side is equipped with the mechanism that absorbs water, isolation mechanism can be through the control of mechanism that absorbs water with the water evacuation in the subaerial water pipe to isolated external cold air.
Preferably, the self-locking mechanism comprises a water storage cavity close to a water return groove arranged at the water inlet, the water storage cavity is close to a support plate fixedly arranged on the inner wall of the water return groove, a linkage shaft is slidably arranged in the support plate, the linkage shaft is close to the water inlet end and fixedly provided with a sealing plug, the sealing plug is connected to the support plate through a first reset spring, a water guide block is fixedly arranged on the inner wall of the water storage cavity close to the support plate, the water guide block is close to the sealing plug compared with the support plate, a telescopic pipe is fixedly arranged on the side of the water guide block close to the sealing plug, and the other end of the telescopic pipe is fixedly connected to the sealing plug.
Preferably, the self-locking mechanism further comprises a decompression groove and a return water groove, wherein the decompression groove and the return water groove are arranged on the side, close to the water inlet, of the outer shell, a one-way pressure valve is fixedly arranged between the decompression groove and the return water groove, the other end of the return water groove is communicated with the water storage cavity, one end, close to the water inlet, of the decompression groove is communicated with the water inlet, a water guide pipe is arranged in the water guide block, and the water guide pipe is communicated with the decompression groove and the telescopic pipe.
Preferably, the water absorbing mechanism comprises a supporting plate, the linkage shaft is far away from the water inlet end, a triangular pushing block is fixedly arranged on the supporting plate, a pushing block is slidably arranged on the triangular pushing block, a floating plate is fixedly arranged on the pushing block, the floating plate is slidably connected onto the inner wall of the water storage cavity, and four water holes are uniformly formed in the water storage cavity in an annular mode.
Preferably, the water absorbing mechanism comprises a water storage cavity, a water discharging cover is arranged on the inner wall of the isolation mechanism in a fixed mode, the water discharging cover is in an inverted step shape, an opening is arranged in the water discharging cover and deviates from the water discharging cavity of the floating plate, a water outlet hole is arranged on the side of the water discharging cover, a U-shaped plate is fixedly arranged at the end of the water discharging cavity in a pushing mode, the U-shaped plate slides on the narrower side wall of the water discharging cover, the U-shaped plate is connected with the inner wall of the water storage cavity through a second reset spring, two folding frames with openings facing the floating plate are fixedly arranged on the inner wall of the step of the water discharging cavity in a pushing mode, each folding frame is far away from the side of the floating plate and fixed on the U-shaped plate through a pressing plate, two lower water discharging holes are arranged on the inner wall of the step of the water discharging cavity in a pushing mode, the positions of the lower water discharging holes are perpendicular to the positions of the two frames, and four water discharging holes are uniformly arranged on the side walls of the water discharging cover in an annular mode.
Preferably, the isolation mechanism comprises a water outlet joint fixed on the shell, thick two ends are thin in the middle of the water outlet joint, a water outlet cavity penetrating through is arranged in the water outlet joint along the pushing direction, a piston rod is fixedly arranged on the side of the U-shaped plate opposite to the pushing side, a second reset spring is sleeved on the piston rod, a heat insulation piston is fixedly arranged on the piston rod away from the floating plate end, and the heat insulation piston is slidably arranged on the thinner inner wall of the water outlet cavity.
The beneficial effects are that: when the faucet is closed, a closed space is formed in the water storage cavity, the water pressure at the water inlet is increased, the water at the water inlet is shunted into the telescopic pipe through the decompression groove, the first return spring is restored, and the pressure of the water in the telescopic pipe and the elastic force of the first return spring push the sealing plug box to slide towards the water inlet to block the water inlet.
The side water drain hole and the lower water drain hole can timely drain water in the water storage cavity into the water drain cavity, so that the heat insulation piston can open the water outlet cavity faster, and the faucet can discharge water faster.
The heat insulation piston blocks the water outlet cavity, the water outlet cavity keeps outside cool air out of the water outlet cavity, and cold air is prevented from entering the water storage cavity, so that water in the water storage cavity is frozen.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of a structural implementation of the present invention;
FIG. 3 is a schematic view of the direction A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of FIG. 2B;
FIG. 5 is an enlarged schematic view of FIG. 2 at C;
FIG. 6 is a schematic view of the direction D-D in FIG. 3;
fig. 7 is an enlarged schematic view of fig. 3 at E.
In the figures, a housing 10; a water return tank 11; a one-way pressure valve 12; a decompression tank 13; a water inlet 14; a water storage chamber 15; a linkage shaft 16; a pallet 17; a water through hole 18; a triangular push block 19; pushing 20; a drain cover 21; u-shaped plate 22; a second return spring 23; a piston rod 24; a drainage chamber 25; a water outlet joint 26; a water outlet chamber 27; a thermal isolation piston 28; a water outlet 29; a floating plate 30; a lower drain hole 31; a side drain hole 32; a pressing plate 33; a folding frame 34; a telescopic tube 35; a sealing plug 36; a first return spring 37; a support plate 38; a water guide block 39; a water conduit 40; a self-locking mechanism 90; an isolation mechanism 91; a water absorbing mechanism 92.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 2, a connection control valve for preventing water pipe from freezing comprises a housing 10, wherein a water inlet 14 is formed in one side of the housing 10, a water storage cavity 15 is formed in the housing 10, a self-locking mechanism 90 is arranged in the water storage cavity 15 and close to the water inlet 14, the self-locking mechanism 90 can automatically block the water inlet 14 when a faucet is closed, an isolation mechanism 91 is arranged on the surface of the housing 10, perpendicular to the water inlet 14, a water absorption mechanism 92 is arranged on the side, close to the isolation mechanism 91, of the water storage cavity 15, and the isolation mechanism 91 can empty water in a water pipe on the ground under the control of the water absorption mechanism 92 and isolate external cold air.
Further, referring to fig. 5 and 7, the self-locking mechanism 90 includes a water storage cavity 15, a water return tank 11 disposed near the water inlet 14, a support plate 38 fixedly disposed on an inner wall of the water storage cavity 15, near the water return tank 11, a linkage shaft 16 slidably disposed on the support plate 38, a sealing plug 36 fixedly disposed near the water inlet 14, the sealing plug 36 connected to the support plate 38 through a first return spring 37, a water guide block 39 fixedly disposed on an inner wall of the water storage cavity 15 near the support plate 38, and a telescopic tube 35 fixedly disposed on a side of the water guide block 39 near the sealing plug 36 compared with the support plate 38, and the other end of the telescopic tube 35 fixedly connected to the sealing plug 36.
Further, referring to fig. 2, the self-locking mechanism 90 further includes a pressure reducing groove 13 and a water return groove 11, which are disposed on the side of the housing 10 near the water inlet 14, a one-way pressure valve 12 is fixedly disposed between the pressure reducing groove 13 and the water return groove 11, the other end of the water return groove 11 is communicated in the water storage cavity 15, one end of the pressure reducing groove 13 near the water inlet 14 is communicated in the water inlet 14, a water guide pipe 40 is disposed in the water guide block 39, and the water guide pipe 40 is communicated with the pressure reducing groove 13 and the telescopic pipe 35.
Further, referring to fig. 2 and 3, the water absorbing mechanism 92 includes a supporting plate 17 fixed at the end of the linkage shaft 16 far away from the water inlet 14, a triangular pushing block 19 is fixedly arranged on the supporting plate 17, a pushing rod 20 is slidably arranged on the triangular pushing block 19, a floating plate 30 is fixedly arranged on the pushing rod 20, the floating plate 30 is slidably connected on the inner wall of the water storage cavity 15, and four water through holes 18 are uniformly formed in the water storage cavity 15 in an annular mode.
Further, with reference to fig. 2, 3 and 4, the water absorbing mechanism 92 includes a drain cover 21 that is further fixed on the inner wall of the water storage chamber 15 near the isolation mechanism 91, the drain cover 21 is in a reverse step shape, a drain chamber 25 with an opening facing away from the floating plate 30 is arranged in the drain cover 21, a water outlet 29 is arranged on the side of the drain cover 21 near the floating plate 30, a U-shaped plate 22 is fixedly arranged on the end of the top wall 20 near the water draining chamber 25, the U-shaped plate 22 slides on the narrower side wall of the drain cover 21, the U-shaped plate 22 is connected on the inner wall of the water storage chamber 15 far away from the water through a second reset spring 23, two folding frames 34 with openings facing the floating plate 30 are symmetrically fixed on the step inner wall of the drain chamber 25, each folding frame 34 far away from the floating plate 30 is fixed on the U-shaped plate 22 through a pressing plate 33, two lower drain holes 31 are symmetrically arranged on the step inner wall of the drain chamber 25, the positions of the two lower drain holes 31 are perpendicular to the positions of the two folding frames 34, and four side drain holes 32 are uniformly arranged on the side wall of the drain cover 21 in a ring shape.
Further, with reference to fig. 2 and 3, the isolation mechanism 91 includes a water outlet joint 26 on the fixed housing 10, the middle of the water outlet joint 26 is thick and thin at two ends, a through water outlet cavity 27 is arranged in the water outlet joint 26 along the direction of the top driving 20, a piston rod 24 is fixedly arranged on the side of the U-shaped plate 22 back to the top driving 20, a second return spring 23 is sleeved on the piston rod 24, a thermal insulation piston 28 is fixedly arranged at the end, away from the floating plate 30, of the piston rod 24, and the thermal insulation piston 28 is slidably arranged on the thinner inner wall of the water outlet cavity 27.
Initial state: the second return spring 23 is in a normal state, the folding frame 34 is in a folded state, the first return spring 37 is in a compressed state, and the telescopic tube 35 is in an extended state.
Working principle: the water inlet 14 is connected to the water inlet pipe in a side manner, the water outlet joint 26 is connected to the water outlet pipe, when the faucet is opened, water flow in the water storage cavity 15 is in a flowing state, water pressure in the water inlet 14 and the pressure reducing groove 13 is reduced, water pressure in the water inlet 14 is higher than water pressure in the pressure reducing groove 13, the water pressure moving sealing plug 36 at the water inlet 14 slides towards the supporting plate 38, the first return spring 37 and the telescopic pipe 35 are compressed, the sealing plug 36 drives the top driving 20 and the floating plate 30 to slide towards the water outlet joint 26 through the linkage shaft 16 and the triangular push block 19, the second return spring 23 is compressed, the U-shaped plate 22 slides to the wider part of the water outlet cavity 25, the U-shaped plate 22 opens two folding frames 34 through the pressing plate 33, the heat insulation piston 28 is pushed into a thicker space in the water outlet cavity 27 through the piston rod 24, water in the water inlet pipe enters into the water outlet pipe through the floating plate 30, the lower drain hole 31, the side drain hole 32 and the water outlet hole 29, the water in the water storage cavity 15 can be timely discharged into the water outlet cavity 25 through the side drain hole 32 and the lower drain hole 31, the heat insulation piston 28 opens the water outlet cavity 27 more quickly, and the water outlet 22 reaches the folding frames 34 when the water inlet 22 moves to the folding frames 33, and the water outlet frames 21 reach the folding frames, when the water outlet frames 22 opens, and the water outlet frames is opened.
When the faucet is closed, a closed space is formed in the water storage cavity 15, the water pressure at the water inlet 14 is increased, water at the water inlet 14 is shunted into the telescopic pipe 35 through the decompression groove 13, the first return spring 37 is restored, the pressure of water in the telescopic pipe 35 and the elastic force of the first return spring 37 push the sealing plug 36 box to slide towards the water inlet 14, the water inlet 14 is blocked, meanwhile, the second return spring 23 is restored to drive the U-shaped plate 22 and the floating plate 30 to reset, in the resetting process of the U-shaped plate 22 and the floating plate 30, the pushing-up 20 can push the water outlet 29 to slide to assist the sealing plug 36 to slide, the pressure of the water inlet 14 to the sealing plug 36 is resisted, part of water in the water storage cavity 15 is pressed into the telescopic pipe 35 through the water return groove 11, the other part of water is pressed back into the water inlet 14, a cavity 25 is generated through the water inlet 14, the water in the water outlet cavity is discharged into the water storage cavity 15 through the side water outlet 32 and the lower water outlet 31 under the action of gravity, the water in the water outlet on the ground is completely discharged into the water storage cavity 15 through the side water outlet 32 and the lower water outlet 31, the water inlet 14 is blocked by the sealing plug 36 when the water in the water outlet cavity 15 and the water outlet cavity 25 is restored, and the water storage cavity 27 is blocked in the water storage cavity 15, and the water storage cavity 27 is simultaneously, the water storage cavity is blocked by the water storage cavity 27 is prevented from entering the outside, and the water storage cavity 15.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (1)
1. The utility model provides a connection control valve that water pipe prevents frostbite, includes shell (10), one side of shell (10) is equipped with water inlet (14), be equipped with water storage chamber (15), its characterized in that in shell (10): the water storage device is characterized in that a self-locking mechanism (90) is arranged in the water storage cavity (15) and close to the water inlet (14), the water inlet (14) is automatically blocked by the self-locking mechanism (90) when the water tap is closed, an isolation mechanism (91) is arranged on the surface of the shell (10) perpendicular to the water inlet (14), a water absorption mechanism (92) is arranged on the side, close to the isolation mechanism (91), of the water storage cavity (15), and the isolation mechanism (91) is used for draining water in a water pipe on the ground under the control of the water absorption mechanism (92) and isolating cold air from the outside; the self-locking mechanism (90) comprises a water return groove (11) which is formed by arranging a water storage cavity (15) close to the water inlet (14), a supporting plate (38) which is fixedly arranged on the inner wall of the water return groove (11) and is close to the water storage cavity (15), a linkage shaft (16) is arranged on the supporting plate (38) in a sliding mode, a sealing plug (36) is fixedly arranged at the end, close to the water inlet (14), of the linkage shaft (16), the sealing plug (36) is connected to the supporting plate (38) through a first reset spring (37), a water guide block (39) is fixedly arranged on the inner wall, close to the supporting plate (38), of the water guide block (39) close to the sealing plug (36) compared with the supporting plate (38), a telescopic pipe (35) is fixedly arranged on the side, close to the sealing plug (36), and the other end of the telescopic pipe (35) is fixedly connected to the sealing plug (36). The self-locking mechanism (90) further comprises a decompression groove (13) and a return water groove (11) which are arranged on the side, close to the water inlet (14), of the shell (10), a one-way pressure valve (12) is fixedly arranged between the decompression groove (13) and the return water groove (11), the other end of the return water groove (11) is communicated with the water storage cavity (15), one end, close to the water inlet (14), of the decompression groove (13) is communicated with the water inlet (14), a water guide pipe (40) is arranged in the water guide block (39), and the decompression groove (13) is communicated with the telescopic pipe (35); the water absorption mechanism (92) comprises a supporting plate (17) with a linkage shaft (16) far away from the water inlet (14) and fixed at the end, a triangular push block (19) is fixedly arranged on the supporting plate (17), a top catch (20) is slidably arranged on the triangular push block (19), a floating plate (30) is fixedly arranged on the top catch (20), the floating plate (30) is slidably connected onto the inner wall of the water storage cavity (15), and four water holes (18) are uniformly formed in the water storage cavity (15) in an annular mode; the water absorbing mechanism (92) comprises a water storage cavity (15) which is close to a water discharging cover (21) fixedly arranged on the inner wall of the isolation mechanism (91), the water discharging cover (21) is in a reverse step shape, a water discharging cavity (25) with an opening deviating from the floating plate (30) is arranged in the water discharging cover (21), water discharging holes (29) are formed in the side, close to the floating plate (30), of the water discharging cover (21), a U-shaped plate (22) is fixedly arranged at the end, close to the water discharging cavity (25), of the top driving (20), the U-shaped plate (22) slides on the narrower side wall of the water discharging cover (21), the U-shaped plate (22) is connected on the inner wall, far away from the water through holes (18), of the water discharging cavity (15) through a second reset spring (23), two frames (34) with openings facing towards the plate (30) are symmetrically and fixedly arranged on the inner wall of the step of the water discharging cavity (25), each folding frame (34) is far away from the side of the floating plate (30), two water discharging frames (31) are symmetrically arranged on the two sides of the water discharging frames (31) far from the upper side of the floating plate (30), the two water discharging frames (31) are symmetrically arranged on the upper side of the water discharging frame (31, four side drain holes (32) are uniformly formed in the side wall of the drain cover (21) in an annular shape; the isolation mechanism (91) is fixed including fixing play water joint (26) on shell (10), go out thick both ends in middle of water joint (26) position, it is equipped with out water chamber (27) that run through to catch up with (20) direction along the top in play water joint (26), U template (22) are dorsad catch up with (20) side and are fixed be equipped with piston rod (24), second reset spring (23) cover is in on piston rod (24), piston rod (24) are kept away from floating plate (30) end is fixed with thermal insulation piston (28), thermal insulation piston (28) slip is established on the thinner inner wall of out water chamber (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918001.4A CN113585398B (en) | 2021-08-11 | 2021-08-11 | Anti-freezing connection control valve for water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918001.4A CN113585398B (en) | 2021-08-11 | 2021-08-11 | Anti-freezing connection control valve for water pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113585398A CN113585398A (en) | 2021-11-02 |
| CN113585398B true CN113585398B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918001.4A Active CN113585398B (en) | 2021-08-11 | 2021-08-11 | Anti-freezing connection control valve for water pipe |
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| CN (1) | CN113585398B (en) |
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| CN2224313Y (en) * | 1995-05-12 | 1996-04-10 | 郭建敏 | Water tap with anti-frozen automatic water containing device |
| CN200943708Y (en) * | 2006-07-04 | 2007-09-05 | 梁明生 | Storage type frost-proof valve |
| CN202865914U (en) * | 2012-08-30 | 2013-04-10 | 中建工业设备安装有限公司 | Novel anti-freezing tap-water device |
| CN203162307U (en) * | 2013-04-07 | 2013-08-28 | 胡永强 | Water pipe frost valve |
| CN204201119U (en) * | 2014-10-08 | 2015-03-11 | 宁波埃美柯铜阀门有限公司 | Scalable control antifreezing faucet |
| CN205780906U (en) * | 2016-06-16 | 2016-12-07 | 九牧厨卫股份有限公司 | A kind of frost crack proof device and tap |
| CN208777375U (en) * | 2018-04-10 | 2019-04-23 | 陕西渭水源实业有限公司 | A kind of tap water emptying type anti freezing water outlet device |
| CN208815612U (en) * | 2018-09-17 | 2019-05-03 | 冀家晟 | One antifreeze emptying running water pipe |
| CN110454580A (en) * | 2019-07-25 | 2019-11-15 | 开平柏斯高卫浴有限公司 | A kind of tap being automatically drained out water in pipe |
| CN210566404U (en) * | 2019-09-16 | 2020-05-19 | 浙江华龙巨水科技股份有限公司 | Antifreezing valve |
| CN212271101U (en) * | 2020-03-27 | 2021-01-01 | 南京常格科技发展有限公司 | Anti-freezing switch |
-
2021
- 2021-08-11 CN CN202110918001.4A patent/CN113585398B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224313Y (en) * | 1995-05-12 | 1996-04-10 | 郭建敏 | Water tap with anti-frozen automatic water containing device |
| CN200943708Y (en) * | 2006-07-04 | 2007-09-05 | 梁明生 | Storage type frost-proof valve |
| CN202865914U (en) * | 2012-08-30 | 2013-04-10 | 中建工业设备安装有限公司 | Novel anti-freezing tap-water device |
| CN203162307U (en) * | 2013-04-07 | 2013-08-28 | 胡永强 | Water pipe frost valve |
| CN204201119U (en) * | 2014-10-08 | 2015-03-11 | 宁波埃美柯铜阀门有限公司 | Scalable control antifreezing faucet |
| CN205780906U (en) * | 2016-06-16 | 2016-12-07 | 九牧厨卫股份有限公司 | A kind of frost crack proof device and tap |
| CN208777375U (en) * | 2018-04-10 | 2019-04-23 | 陕西渭水源实业有限公司 | A kind of tap water emptying type anti freezing water outlet device |
| CN208815612U (en) * | 2018-09-17 | 2019-05-03 | 冀家晟 | One antifreeze emptying running water pipe |
| CN110454580A (en) * | 2019-07-25 | 2019-11-15 | 开平柏斯高卫浴有限公司 | A kind of tap being automatically drained out water in pipe |
| CN210566404U (en) * | 2019-09-16 | 2020-05-19 | 浙江华龙巨水科技股份有限公司 | Antifreezing valve |
| CN212271101U (en) * | 2020-03-27 | 2021-01-01 | 南京常格科技发展有限公司 | Anti-freezing switch |
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| CN113585398A (en) | 2021-11-02 |
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Effective date of registration: 20230718 Address after: 301600 No.1, Guihua Road, Shuangtang high grade hardware industrial park, Jinghai District, Tianjin Applicant after: GUOLIN (TIANJIN) TECHNOLOGY Co.,Ltd. Address before: 510005 No. 115, Dongjing street, Yuexiu District, Guangzhou, Guangdong Applicant before: Chen Wen |
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