CN111473519A - Water flow type anti-freezing device and application thereof - Google Patents
Water flow type anti-freezing device and application thereof Download PDFInfo
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- CN111473519A CN111473519A CN201910067155.XA CN201910067155A CN111473519A CN 111473519 A CN111473519 A CN 111473519A CN 201910067155 A CN201910067155 A CN 201910067155A CN 111473519 A CN111473519 A CN 111473519A
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- water
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- shell
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- water inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
A water flow type anti-freezing device is characterized by comprising a shell, an end cover, a flow guide sleeve, a piston and an elastic reset piece, wherein the shell is axially hollow to form an inner cavity, one end of the shell forms a water inlet end, and the other end of the shell forms a water outlet end; the side wall of the shell is provided with a pre-freezing cavity which is communicated with the water inlet end through a water inlet pore passage and is communicated with the water outlet end through a water outlet pore passage; the flow guide sleeve is axially hollow and is arranged in the inner cavity of the shell; the piston is hermetically arranged in the inner cavity of the shell and can move back and forth, the piston is sleeved on the periphery of the flow guide sleeve, the front end of the piston covers the flow guide sleeve, and the piston is provided with a water drain hole. The invention also discloses an application of the water flow type anti-freezing device. The overall design is exquisite, simple to operate. Due to the pure mechanical structure, the anti-freezing effect can be realized under the condition that the household of a user does not have electricity or gas.
Description
Technical Field
The invention relates to an antifreezing device which can be applied to a water heater and a dual-purpose furnace, and also relates to the water heater and the dual-purpose furnace with the antifreezing device.
Background
The condition that a lot of frost cracks valve body pipelines appear in winter in the water heater in the society at present, the electric heating mode is generally adopted in the industry at present, the electric heating is opened with temperature controller when microthermal, prevents the pipeline frost crack, the electric heating mode must be with water heater electricity, needs the circuit arrangement, increases installation cost, this type of literature can refer to chinese utility model patent "a water heater heating installation that prevents frostbite" that patent number is Z L201620910546.5 (the grant bulletin number is CN 205897560U).
The hanging stove still adopts the mode that the circulating pump operation and the heating were started the heating by oneself in addition to prevent that the pipeline from freezing and splitting, still need open the gas valve to realize the function of preventing frostbite. Many users can turn off electricity and turn off gas when not at home, so that the water heater and the wall-mounted boiler cannot be prevented from freezing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water flow type anti-freezing device capable of preventing freezing under the conditions of no fuel gas and no electricity.
In view of the above technical problem, the present invention provides a purely mechanical water flow type anti-freezing device.
In view of the above technical problem, a further object of the present invention is to provide a frost-proof burner.
The present invention is also directed to provide a dual-purpose furnace capable of preventing freezing in view of the above technical situation.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water flow type anti-freezing device is characterized by comprising
The water inlet end is formed at one end of the shell, and the water outlet end is formed at the other end of the shell; the side wall of the shell is provided with a pre-freezing cavity which is communicated with the water inlet end through a water inlet pore passage and is communicated with the water outlet end through a water outlet pore passage;
the end cover is hermetically arranged at the water outlet end of the shell and is provided with a water outlet interface communicated with the water outlet end;
the flow guide sleeve is axially hollow and is arranged in the inner cavity of the shell;
the piston is hermetically arranged in the inner cavity of the shell and can move back and forth, the piston is sleeved on the periphery of the flow guide sleeve, the front end of the piston covers the flow guide sleeve, the piston is provided with a drain hole, and the drain hole is communicated with the inner cavity of the flow guide sleeve when the piston moves towards the direction close to the water inlet end; the end surface of the piston close to the water outlet end, the outer wall of the guide sleeve and the inner wall of the shell form an expansion cavity, and the water outlet pore passage flows into the expansion cavity; and
the elastic reset piece is arranged in the shell and always forces the piston to keep away from the trend of the water inlet end of the shell.
Furthermore, the water inlet end of the shell is provided with a cover plate with adjustable depth, a water inlet hole is formed in the cover plate, the elastic reset piece is a spring, one end of the spring abuts against the inner side of the cover plate, and the other end of the spring abuts against the piston. The speed of the flowing water can be realized by adjusting the depth of the cover plate.
Furthermore, the front end of the flow guide sleeve is provided with a first raised step ring, correspondingly, the inner wall of the piston is provided with a second recessed step ring, and the second raised step ring is abutted with the first step ring to be matched with the first step ring to limit the piston to move towards the water outlet end of the shell.
Further, the inner wall of the piston is provided with a sealing gasket, and the front end of the flow guide sleeve is abutted and sealed with the sealing gasket in the state that the first step ring is abutted against the second step ring.
Further, a sealing ring is arranged between the end cover and the shell.
A water heater comprises a water heater body and a water inlet pipe arranged on the water heater body, wherein a three-way valve is arranged on the water inlet pipe, the water inlet end of a water flow type anti-freezing device is connected with the three-way valve, and the water outlet end of the water flow type anti-freezing device is connected with a water outlet pipe.
A dual-purpose furnace comprises a dual-purpose furnace body and a water inlet pipe arranged on the dual-purpose furnace body, wherein a three-way valve is arranged on the water inlet pipe, the water inlet end of a water flow type anti-freezing device is connected with the three-way valve, and the water outlet end of the water flow type anti-freezing device is connected with a water outlet pipe.
Compared with the prior art, the invention has the advantages that: the pre-freezing cavity is firstly frozen due to the thin pipe wall, after freezing, the water outlet hole channel is frozen and prolonged, the expansion cavity is also frozen and enlarged in volume, the piston is pushed, the water outlet hole is opened, water flow is discharged, and freezing prevention is realized. The integral design is exquisite, simple to operate, can the direct mount on the inlet tube of water heater, hanging stove. The water flow control device has the functions of starting water flow for freezing prevention when freezing, and automatically closing the water flow when the weather is warm. Due to the pure mechanical structure, the anti-freezing effect can be realized under the condition that the household of a user does not have electricity or gas.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
FIG. 4 is a view showing the state where the piston drain hole is opened in the embodiment.
Fig. 5 is a reference diagram of the use state of the water heater to which the embodiment is applied.
FIG. 6 is a reference diagram of the embodiment applied to the dual-purpose furnace in the using state.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the water flow type freeze-proofing device in the present embodiment includes a housing 1, an end cover 2, a flow guide sleeve 3, a piston 4, an elastic restoring member 7 and a cover plate 6. The shell 1 is axially hollow to form an inner cavity, one end of the shell 1 forms a water inlet end, and the other end forms a water outlet end; the side wall of the shell 1 is provided with a pre-freezing cavity 11, and the pre-freezing cavity 11 is communicated with the water inlet end through a water inlet pore passage 12 and is communicated with the water outlet end through a water outlet pore passage 13.
The end cover 2 is hermetically arranged at the water outlet end of the shell 1 and is provided with a water outlet port communicated with the water outlet end; a sealing ring 5 is arranged between the end cover 2 and the shell 1. The flow guide sleeve 3 is axially hollow and arranged in the inner cavity of the shell 1.
The piston 4 is hermetically arranged in the inner cavity of the shell 1 and can move back and forth, the piston 4 is sleeved on the periphery of the flow guide sleeve 3, the front end of the piston 4 covers the flow guide sleeve 3, the piston 4 is provided with a drain hole 41, and the drain hole 41 is communicated with the inner cavity of the flow guide sleeve 3 when the piston 4 moves towards the direction close to the water inlet end; the end surface of the piston 4 close to the water outlet end, the outer wall of the flow guide sleeve 3 and the inner wall of the shell 1 form an expansion cavity 14, and the water outlet duct 13 flows into the expansion cavity 14.
The elastic return element 7 is arranged in the housing 1 and always forces the piston 4 to keep away from the trend of the water inlet end of the housing 1. The cover plate 6 is arranged at the water inlet end of the shell 1, the depth of the cover plate can be adjusted, the cover plate 6 is provided with a water inlet hole 61, the elastic reset piece 7 in the embodiment is a spring, one end of the spring is abutted against the inner side of the cover plate 6, and the other end of the spring is abutted against the piston 4.
The front end of the flow guide sleeve 3 is provided with a convex first step ring 31, correspondingly, the inner wall of the piston 4 is provided with a concave second step ring 42, and the second step ring 42 is matched with the first step ring 31 in an abutting mode to limit the piston 4 to move towards the water outlet end of the shell 1. The inner wall of the piston 4 is provided with a sealing gasket 8, and the front end of the flow guide sleeve 3 is sealed against the sealing gasket 8 under the state that the first step ring 31 and the second step ring 42 are abutted.
As shown in fig. 5, the water heater includes a water heater body 100 and a water inlet pipe 104 disposed on the water heater body 100, a three-way valve 101 is disposed on the water inlet pipe 104, a water inlet end of the water flow type anti-freezing device 10 is connected to the three-way valve 101, and a water outlet end is connected to a water outlet pipe 102.
In the initial state as shown in fig. 3, the water in the water inlet pipe 104 fills the pre-freezing chamber 11, and the water outlet 41 of the piston is sealed; referring to fig. 4, in cold weather, the pre-freezing chamber 11 is frozen because the pipe wall is thin, after freezing, the water outlet channel 13 is frozen and growing, the expansion chamber 14 is also frozen and the volume is increased, the piston 4 is pushed, the water outlet hole 41 is opened, and water flow is discharged from the water discharge pipe 102. When the weather is warmed up, the original state is automatically recovered, and the water flow is closed.
As shown in fig. 6, the dual-purpose furnace includes a dual-purpose furnace body 103 and a water inlet pipe 104 disposed on the dual-purpose furnace body 103, the water inlet pipe 104 is provided with a three-way valve 101, the water inlet end of the water flow type anti-freezing device 10 is connected with the three-way valve 101, and the water outlet end is connected with a water outlet pipe 102.
Claims (7)
1. A water flow type anti-freezing device is characterized by comprising
The water-saving water dispenser comprises a shell (1) which is hollow in the axial direction to form an inner cavity, wherein one end of the shell (1) forms a water inlet end, and the other end of the shell forms a water outlet end; a pre-freezing cavity (11) is formed in the side wall of the shell (1), and the pre-freezing cavity (11) is communicated with a water inlet end through a water inlet pore passage (12) and is communicated with a water outlet end through a water outlet pore passage (13);
the end cover (2) is hermetically arranged at the water outlet end of the shell (1) and is provided with a water outlet interface communicated with the water outlet end;
the flow guide sleeve (3) is axially hollow and is arranged in the inner cavity of the shell (1);
the piston (4) is hermetically arranged in the inner cavity of the shell (1) and can move back and forth, the piston (4) is sleeved on the periphery of the diversion sleeve (3) and the front end of the piston covers the diversion sleeve (3), a drain hole (41) is formed in the piston (4), and the drain hole (41) is communicated with the inner cavity of the diversion sleeve (3) when the piston (4) moves towards the direction close to the water inlet end; the end surface of the piston (4) close to the water outlet end, the outer wall of the flow guide sleeve (3) and the inner wall of the shell (1) form an expansion cavity (14), and the water outlet pore passage (13) flows into the expansion cavity (14); and
and the elastic reset piece (7) is arranged in the shell (1) and always forces the piston (4) to keep away from the trend of the water inlet end of the shell (1).
2. The water flow type anti-freezing device as claimed in claim 1, wherein the water inlet end of the housing (1) is provided with a cover plate (6) with adjustable depth, the cover plate (6) is provided with a water inlet hole (61), the elastic return member (7) is a spring, one end of the spring is abutted against the inner side of the cover plate (6), and the other end of the spring is abutted against the piston (4).
3. The water flow type anti-freezing device as claimed in claim 1, wherein the front end of the flow guide sleeve (3) is provided with a convex first step ring (31), correspondingly, the inner wall of the piston (4) is provided with a concave second step ring (42), and the second step ring (42) is matched with the first step ring (31) in an abutting mode to limit the piston (4) to move towards the water outlet end of the housing (1).
4. The water flow type anti-freezing device as claimed in claim 3, characterized in that the inner wall of the piston (4) is provided with a sealing gasket (8), and the front end of the flow guide sleeve (3) is sealed against the sealing gasket (8) under the state that the first step ring (31) and the second step ring (42) are abutted against each other.
5. A water-flow antifreeze apparatus as claimed in claim 1, characterised in that a sealing ring (5) is provided between the end cap (2) and the housing (1).
6. A water heater applying the water flow type anti-freezing device as claimed in any one of claims 1 to 5, comprising a water heater body (100) and a water inlet pipe (104) arranged on the water heater body (100), wherein a three-way valve (101) is arranged on the water inlet pipe (104), the water inlet end of the water flow type anti-freezing device (10) is connected with the three-way valve (101), and the water outlet end is connected with a water outlet pipe (102).
7. A dual-purpose furnace with the water flow type anti-freezing device applied to any one of claims 1-5 comprises a dual-purpose furnace body (103) and a water inlet pipe (104) arranged on the dual-purpose furnace body (103), wherein a three-way valve (101) is arranged on the water inlet pipe (104), the water inlet end of the water flow type anti-freezing device (10) is connected with the three-way valve (101), and the water outlet end of the water flow type anti-freezing device is connected with a water outlet pipe (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067155.XA CN111473519B (en) | 2019-01-24 | 2019-01-24 | Water flow type anti-freezing device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067155.XA CN111473519B (en) | 2019-01-24 | 2019-01-24 | Water flow type anti-freezing device and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111473519A true CN111473519A (en) | 2020-07-31 |
| CN111473519B CN111473519B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067155.XA Active CN111473519B (en) | 2019-01-24 | 2019-01-24 | Water flow type anti-freezing device and application thereof |
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| CN (1) | CN111473519B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442444A1 (en) * | 1994-11-29 | 1996-05-30 | Sisto Armaturen Sa | Valve for self=activated emptying of pipeline |
| CN101782149A (en) * | 2009-01-15 | 2010-07-21 | 北京海林自控设备有限公司 | Control valve and valve with same |
| CN202327234U (en) * | 2011-12-03 | 2012-07-11 | 潍坊三华利机械科技有限公司 | Automatic evacuating return-overflow-preventing antifreezing hydrant |
| CN203190642U (en) * | 2013-04-09 | 2013-09-11 | 中山市樱雪集团有限公司 | Water heater with automatic drainage anti-freezing device |
| CN103322684A (en) * | 2013-05-30 | 2013-09-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and drainage freezing-preventing device thereof |
| CN103453652A (en) * | 2012-06-01 | 2013-12-18 | 陈积夫 | Split control anti-freezing gas water heater |
-
2019
- 2019-01-24 CN CN201910067155.XA patent/CN111473519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442444A1 (en) * | 1994-11-29 | 1996-05-30 | Sisto Armaturen Sa | Valve for self=activated emptying of pipeline |
| CN101782149A (en) * | 2009-01-15 | 2010-07-21 | 北京海林自控设备有限公司 | Control valve and valve with same |
| CN202327234U (en) * | 2011-12-03 | 2012-07-11 | 潍坊三华利机械科技有限公司 | Automatic evacuating return-overflow-preventing antifreezing hydrant |
| CN103453652A (en) * | 2012-06-01 | 2013-12-18 | 陈积夫 | Split control anti-freezing gas water heater |
| CN203190642U (en) * | 2013-04-09 | 2013-09-11 | 中山市樱雪集团有限公司 | Water heater with automatic drainage anti-freezing device |
| CN103322684A (en) * | 2013-05-30 | 2013-09-25 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and drainage freezing-preventing device thereof |
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| Publication number | Publication date |
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| CN111473519B (en) | 2021-05-18 |
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