CN108894283B - Anti-burst device - Google Patents
Anti-burst device Download PDFInfo
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- CN108894283B CN108894283B CN201810578643.2A CN201810578643A CN108894283B CN 108894283 B CN108894283 B CN 108894283B CN 201810578643 A CN201810578643 A CN 201810578643A CN 108894283 B CN108894283 B CN 108894283B
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- water inlet
- piston
- hole
- double
- layer bag
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- 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
Abstract
An anti-burst device mainly comprises a water inlet device, a spring, a piston, a double-layer bag, a sealing cover and an adjusting screw; when the ambient temperature is reduced to zero, the volume of the liquid in the double-layer bag is reduced, the piston is pulled to move downwards under the action of the tension of the spring, so that the water inlet hole of the piston is positioned below the water inlet hole of the sealing column, water in the tee joint flows into the water inlet channel above the piston from the water inlet hole of the sealing column, then flows into the water inlet hole of the piston from the water inlet channel and flows downwards through the water drainage pipe, and therefore a strand of live water is generated in the tap water pipeline positioned at the upstream of the anti-burst device, the tap water pipeline at the upstream of the anti-burst device is not easy to freeze, and the anti-; when the ambient temperature rises, the volume of the liquid in the double-layer bag is gradually recovered, the double-layer bag is reset to press the spring upwards and jack up the piston rod, so that the water inlet end of the piston water inlet hole is positioned above the water inlet hole of the sealing column, and the water in the tee joint stops flowing into the water inlet device.
Description
Technical Field
The present invention relates to an anti-burst device capable of preventing a water supply line from freezing.
Background
When the ambient temperature drops below zero in winter, the condition that a tap water pipeline or a water meter is broken due to icing often appears, so that a large amount of maintenance work is caused, the property loss is large, the maintenance cost is high, and the maintenance is difficult. Therefore, there is a need to find a device that can prevent the freezing of the mains water pipe.
Therefore, a device capable of preventing the tap water pipeline from freezing and bursting needs to be found.
Disclosure of Invention
The purpose of the invention is: provided is a device capable of preventing a tap water pipe from freezing and bursting.
The technical scheme of the invention is as follows: an anti-burst device mainly comprises a water inlet device 1, a spring 2, a piston 3, a double-layer bag 4, a sealing cover 5 and an adjusting screw 6; a screw through hole is formed along the central axis of the adjusting screw, the upward end of the water inlet device is in threaded connection with the side of the tee joint, the downward end of the water inlet device is in threaded connection with the sealing cover, the downward end face of the water inlet device is provided with an upward concave containing cavity, the center of the upward end face of the water inlet device is provided with an upward protruding sealing column 11, the center of the top wall of the containing cavity is provided with a water inlet channel extending into the sealing column, and the side wall of the sealing column is provided with more than one sealing column water inlet holes 12 communicated with the water inlet channel; a plurality of air holes 13 are arranged on the side wall of the accommodating cavity; the double-layer bag is filled with liquid with volume reduced along with temperature reduction; a water inlet hole penetrating through the piston is formed in the central axis of the piston 3, the outlet edge of the water inlet hole on the piston head extends in the direction far away from the piston rod to form a drain pipe 31, a supporting plate 7 is arranged between an adjusting screw and an adjusting valve and fixed on the downward wall surface of the bottom wall of the double-layer bag, a supporting plate through hole is formed in the center of the supporting plate, when the double-layer bag is assembled, the spring is sleeved on the piston rod, the piston rod is inserted into a water inlet channel, the outer wall of the piston rod is tightly matched with the inner hole of the water inlet channel, the piston rod is propped against the top wall of the water inlet channel, the upward end of the spring is propped against the top wall of the accommodating cavity, the double-layer bag is sleeved on the drain pipe 31, and the; the sealing cover is provided with a screw hole, an adjusting screw is screwed from bottom to top to enter the containing cavity, the lower end of the drain pipe crosses a central through hole of the double-layer bag, a through hole of the supporting plate enters a screw through hole, the supporting plate and the double-layer bag are pushed upwards by the adjusting screw until the piston rod pushes the top wall of the water inlet channel, at the moment, the spring is compressed to have initial prestress, the water inlet hole on the piston is positioned above the water inlet hole of the sealing column, water in the three channels cannot flow into the water inlet channel, when the ambient temperature is reduced to zero, the volume of the double-layer bag shrinks, the piston is pulled to move downwards under the action of the tension of the spring, so that the water in the three channels is positioned below the water inlet hole of the sealing column, flows into the water inlet channel above the piston from the water inlet channel and then flows into the water inlet hole.
The outer wall and the inner wall of the double-layer bag are provided with corresponding folds.
Two sealing grooves are formed in the side wall, far away from the piston block, of the piston rod, sealing rings are placed in the sealing grooves, when the piston rod pushes the top wall of the water inlet channel, one sealing ring is located above the water inlet hole of the sealing column, and the other sealing ring is located below the water inlet hole of the sealing column.
The button battery, the control chip and the temperature sensor are arranged in the sealing cover, the temperature sensor is exposed out of the lower end face of the sealing cover, the temperature sensor is connected with the button battery and the control chip through wires, one end of an anode wire is connected with the anode of the button battery, the other end of a cathode wire is connected with the control chip, one output wire of the control chip extends to and is exposed at the upper part of a screw hole of the sealing cover, one end of a cathode wire is connected with the cathode of the button battery, the other end of the cathode wire is exposed at the lower part of the screw hole of the sealing cover, when the adjusting screw is screwed to enter the screw hole of the sealing cover, one end of the adjusting screw is connected with the button battery through the cathode wire, and the other end of the adjusting screw is; the button battery continuously supplies power to the control chip and the temperature sensor, when the temperature of the temperature sensor returning to the control chip is reduced to below 1 ℃, the control chip is connected with the output lead, so that the button battery supplies power to the adjusting screw, and the adjusting screw generates heat when current passes through the adjusting screw, thereby preventing water flow passing through the screw through hole from being frozen; when the temperature of the temperature sensor returning to the control chip is higher than 1 ℃, the control chip disconnects the output lead, and the adjusting screw stops heating.
Has the advantages that:
1. when the ambient temperature is reduced to zero, the volume of the liquid in the double-layer bag is reduced, and the liquid is pulled under the action of the tension of the spring
The piston moves downwards to make the piston inlet hole below the sealing post inlet hole, and the water in the tee joint flows into the piston from the sealing post inlet hole
The water inlet channel above the piston flows into the piston water inlet hole from the water inlet channel and flows out downwards through the drain pipe, so that the anti-burst device is positioned
A stream of running water is generated in the upstream tap water pipeline, so that the tap water pipeline on the upstream of the anti-explosion device is not easy to freeze, thereby
The crack is not easy to occur; when the ambient temperature rises, the volume of the liquid in the double-layer bag is gradually recovered, and the double-layer bag is reset to the original direction
The spring is pressed upwards and the piston rod is jacked up, so that the water inlet end of the piston water inlet hole is positioned above the sealing column water inlet hole, and water in the tee joint stops
Flows into the water inlet device.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a burst view of the present invention;
FIG. 3 is a schematic cross-sectional view of the swelling pack of the present invention when the water cannot flow through it;
FIG. 4 is a schematic cross-sectional view of the inflatable bag of the present invention showing the flow of constricted water therethrough;
fig. 5 is a schematic sectional structure of the water inlet device of the invention.
Detailed Description
As shown in fig. 1 to 5, an anti-burst device mainly comprises a water inlet device 1, a spring 2, a piston 3, a double-layer bag 4, a sealing cover 5 and an adjusting screw 6.
And a screw through hole is formed in the central axis of the adjusting screw, the upward end of the water inlet device is in threaded connection with the lateral through hole of the tee joint, and the downward end of the water inlet device is in threaded connection with the sealing cover.
An upward sunken accommodating cavity is formed in the downward end face of the water inlet device, an upward protruding sealing column 11 is arranged in the center of the upward end face of the water inlet device, a water inlet channel extending into the sealing column is formed in the center of the top wall of the accommodating cavity, and more than one sealing column water inlet hole 12 communicated with the water inlet channel is formed in the side wall of the sealing column; a plurality of air holes 13 are arranged on the side wall of the accommodating cavity.
The double-layer bag is filled with liquid with volume reduced along with temperature reduction; a water inlet hole penetrating through the piston is arranged along the central axis of the piston 3, and the outlet edge of the water inlet hole on the piston head extends in the direction away from the piston rod to form a water outlet pipe 31. A supporting plate 7 is arranged between the adjusting screw and the adjusting valve, the supporting plate is fixed on the downward wall surface of the bottom wall of the double-layer bag, and a supporting plate through hole is formed in the center of the supporting plate.
During assembly, the spring is sleeved on the piston rod, the piston rod is inserted into the water inlet channel, the outer wall of the piston rod is tightly matched with an inner hole of the water inlet channel, the piston rod is propped against the top wall of the water inlet channel, the upward end of the spring is propped against the top wall of the accommodating cavity, the double-layer bag is sleeved on the drain pipe 31, the sealing cover 3 is in threaded connection with the downward end of the water inlet device from bottom to top, and the spring, the double-layer bag and the supporting plate are located in the accommodating cavity; the sealing cover is provided with a screw hole, an adjusting screw is screwed from bottom to top to enter the containing cavity, the lower end of the drain pipe crosses a central through hole of the double-layer bag, a through hole of the supporting plate enters a screw through hole, the supporting plate and the double-layer bag are pushed upwards by the adjusting screw until the piston rod pushes the top wall of the water inlet channel, at the moment, the spring is compressed to have initial prestress, the water inlet hole on the piston is positioned above the water inlet hole of the sealing column, water in the three channels cannot flow into the water inlet channel, when the ambient temperature is reduced to zero, the volume of the double-layer bag shrinks, the piston is pulled to move downwards under the action of the tension of the spring, so that the water in the three channels is positioned below the water inlet hole of the sealing column, flows into the water inlet channel above the piston from the water inlet channel and then flows into the water inlet hole.
The water inlet device is made of transparent plastic, whether the piston rod is supported to the top wall of the water inlet channel or not can be observed, and after the piston rod is supported to the top wall of the water inlet channel, the spring is in a compressed state and has certain initial prestress. When the double-layer bag contracts, the tension of the spring can push the double-layer bag and the piston to move downwards, so that the water inlet hole of the piston is positioned below the water inlet hole of the sealing column, and water in the tee joint flows into the water inlet channel above the piston from the water inlet hole of the sealing column, then flows into the water inlet hole of the piston from the water inlet channel and flows out downwards through the water discharge pipe.
The connecting pipe is adhered to the inner wall of the piston through hole, so that no gap exists between the connecting pipe and the piston through hole, and water flow can only flow into the drain pipe.
The outer wall and the inner wall of the double-layer bag are provided with corresponding folds.
A linear groove matched with the linear screwdriver or a cross groove matched with the cross screwdriver is arranged on the top of the screw cap of the adjusting screw.
Two sealing grooves are formed in the side wall, far away from the piston block, of the piston rod, sealing rings are placed in the sealing grooves, when the piston rod pushes the top wall of the water inlet channel, one sealing ring is located above the water inlet hole of the sealing column, and the other sealing ring is located below the water inlet hole of the sealing column.
Because the water inlet device is exposed outside, the external temperature change easily reaches the outer wall of the double-layer bag through the air holes, so that when the external temperature is reduced to 0 ℃, the volume of liquid in the double-layer bag is reduced, the piston rod can be pulled to move downwards under the action of the tension of the spring, the piston water inlet hole is positioned below the sealing column water inlet hole, and water in the tee joint flows into the water inlet channel above the piston from the sealing column water inlet hole, then flows into the piston water inlet hole from the water inlet channel and flows downwards through the drain pipe. Water in the tap water pipe network system at the upstream of the anti-burst device flows into the anti-burst device from the side of the tee joint and then flows out of the anti-burst device to form continuous fine water flow, so that the water in the tap water pipe network system at the upstream of the tee joint is not easy to freeze due to flowing. When the external temperature rises again, the substances in the expansion bag melt, the volume of the expansion bag is gradually enlarged until the expansion bag is reset, the piston rod is pushed upwards, the water inlet end of the piston water inlet hole is positioned above the water inlet hole of the sealing column, and water flow stops entering the anti-explosion device.
The adjusting screw, the sealing cover and the water inlet device are made of plastics.
The inner wall of the lateral through of the tee joint is provided with internal threads, the diameter of the sealing column is smaller than the diameter of an inner hole of the lateral through of the tee joint, and after the anti-burst device is in threaded connection with the lateral through of the tee joint, the sealing column enters the inner hole of the lateral through of the tee joint and leaves a gap between the sealing column and the inner wall of the lateral through of the tee joint.
The liquid for filling the double-layer bag is mercury, oil and the like, the volume of the liquid can be reduced along with the temperature reduction, and in practical application, compressed gas can be used for replacing the liquid in the double-layer bag.
In actual application, thicken the diapire of double-deck bag, adjusting screw directly pushes up on double-deck bag, just need not set up backup pad 7, injects adjusting screw's screw through-hole behind the drain pipe passes double-deck bag center through-hole.
The spring is typically a tower spring or a cylindrical spring, and if a tower spring is selected, the spring bottom rests on the top of the receiving cavity and the tower bottom rests on the plunger head.
The button battery, the control chip and the temperature sensor are arranged in the sealing cover, the temperature sensor is exposed out of the lower end face of the sealing cover, the temperature sensor is connected with the button battery and the control chip through wires, one end of an anode wire is connected with the anode of the button battery, the other end of a cathode wire is connected with the control chip, one output wire of the control chip extends to and is exposed at the upper part of a screw hole of the sealing cover, one end of a cathode wire is connected with the cathode of the button battery, the other end of the cathode wire is exposed at the lower part of the screw hole of the sealing cover, when the adjusting screw is screwed to enter the screw hole of the sealing cover, one end of the adjusting screw is connected with the button battery through the cathode wire, and the other end of the adjusting screw is; the button battery continuously supplies power to the control chip and the temperature sensor, when the temperature of the temperature sensor returning to the control chip is reduced to below 1 ℃, the control chip is connected with the output lead, so that the button battery supplies power to the adjusting screw, and the adjusting screw generates heat when current passes through the adjusting screw, thereby preventing water flow passing through the screw through hole from being frozen; when the temperature of the temperature sensor returning to the control chip is higher than 1 ℃, the control chip disconnects the output lead, and the adjusting screw stops heating.
The adjusting screw is a resistor, when current passes through the resistor, heat is generated, and the resistor is an element for converting electric energy into heat energy.
The above-mentioned embodiments are only used for illustrating the application of the present invention, and are not meant to be limiting, and those skilled in the art should make various changes or substitutions within the spirit of the present invention, and shall fall within the protection scope of the present invention.
Claims (1)
1. An anti-burst device, characterized in that: mainly comprises a water inlet device (1), a spring (2), a piston (3), a double-layer bag (4), a sealing cover (5) and an adjusting screw (6); a screw through hole is arranged along the central axis of the adjusting screw, the upward end of the water inlet device is in threaded connection with the lateral through of the tee joint, the downward end of the water inlet device is in threaded connection with the sealing cover, the downward end face of the water inlet device is provided with an upward concave containing cavity, the center of the upward end face of the water inlet device is provided with an upward protruding sealing column (11), the center of the top wall of the containing cavity is provided with a water inlet channel extending in the sealing column, and the side wall of the sealing column is provided with more than one sealing column water inlet holes (12) communicated with the water inlet channel; a plurality of air holes (13) are arranged on the side wall of the accommodating cavity; the double-layer bag is filled with liquid with volume reduced along with temperature reduction; a water inlet hole penetrating through the piston is formed in the central axis of the piston (3), the outlet edge of the water inlet hole on the piston head extends in the direction far away from the piston rod to form a drain pipe (31), a supporting plate (7) is arranged between an adjusting screw and the double-layer bag, the supporting plate is fixed on the downward wall surface of the bottom wall of the double-layer bag, a supporting plate through hole is formed in the center of the supporting plate, when the double-layer bag is assembled, the spring is sleeved on the piston rod, the piston rod is inserted into the water inlet channel, the outer wall of the piston rod is tightly matched with the inner hole of the water inlet channel, the piston rod is propped against the top wall of the water inlet channel, the upward end of the spring is propped against the top wall of the accommodating cavity, the double-layer bag is sleeved on the drain pipe (; the sealing cover is provided with a screw hole, an adjusting screw is screwed into the accommodating cavity from bottom to top, the tail end of the lower part of the drain pipe crosses a central through hole of the double-layer bag and a through hole of the support plate to enter the screw through hole, the support plate and the double-layer bag are pushed upwards by the adjusting screw until the piston rod is pushed to the top wall of the water inlet channel, at the moment, the spring is compressed to have initial prestress, the water inlet hole on the piston is positioned above the water inlet hole of the sealing column, water in the three channels cannot flow into the water inlet channel, when the ambient temperature is reduced to zero, the volume of the double-layer bag shrinks, and the piston is pulled to move downwards under the tension of the spring, so that the water inlet hole of the piston is positioned below the water inlet hole of the sealing column, and water in the three channels flows into the water inlet channel above the piston from the; the outer wall and the inner wall of the double-layer bag are provided with corresponding folds; two sealing grooves are formed in the side wall, far away from the piston block, of the piston rod, sealing rings are placed in the sealing grooves, when the piston rod pushes the top wall of the water inlet channel, one sealing ring is located above the water inlet hole of the sealing column, and the other sealing ring is located below the water inlet hole of the sealing column.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760299 | 2017-06-26 | ||
| CN201720760299X | 2017-06-26 |
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| Publication Number | Publication Date |
|---|---|
| CN108894283A CN108894283A (en) | 2018-11-27 |
| CN108894283B true CN108894283B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810578643.2A Active CN108894283B (en) | 2017-06-26 | 2018-06-06 | Anti-burst device |
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| CN (1) | CN108894283B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4967780A (en) * | 1988-05-14 | 1990-11-06 | Mic Co., Ltd. | Anti-freezing device |
| JPH0828732A (en) * | 1994-07-22 | 1996-02-02 | M I C:Kk | Freeze preventing device |
| CN102459771A (en) * | 2009-05-25 | 2012-05-16 | 韩国生产技术研究院 | Valve for prevention of frozen break using phase change material |
| CN106594447A (en) * | 2016-12-30 | 2017-04-26 | 中山市丰申电器有限公司 | Anti-freezing connector provided with heating body |
| CN107268720A (en) * | 2017-06-26 | 2017-10-20 | 中山市丰申电器有限公司 | A kind of anti-rupture device |
-
2018
- 2018-06-06 CN CN201810578643.2A patent/CN108894283B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4967780A (en) * | 1988-05-14 | 1990-11-06 | Mic Co., Ltd. | Anti-freezing device |
| JPH0828732A (en) * | 1994-07-22 | 1996-02-02 | M I C:Kk | Freeze preventing device |
| CN102459771A (en) * | 2009-05-25 | 2012-05-16 | 韩国生产技术研究院 | Valve for prevention of frozen break using phase change material |
| CN106594447A (en) * | 2016-12-30 | 2017-04-26 | 中山市丰申电器有限公司 | Anti-freezing connector provided with heating body |
| CN107268720A (en) * | 2017-06-26 | 2017-10-20 | 中山市丰申电器有限公司 | A kind of anti-rupture device |
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| Publication number | Publication date |
|---|---|
| CN108894283A (en) | 2018-11-27 |
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Effective date of registration: 20200603 Address after: 350200 8 2403 Royal Court Meiyu Building, 99 Chaoyang North Road, Hangcheng Street, Changle City, Fuzhou City, Fujian Province Applicant after: CHANGLE LIZHI PRODUCTS DESIGN Co.,Ltd. Address before: 528458 Guangdong city of Zhongshan province Shan five commercial street 118 four floor, No. 530 Applicant before: ZHONGSHAN FENGSHEN ELECTRICAL APPLIANCE Co.,Ltd. |
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Effective date of registration: 20221215 Address after: 276800 North of Jinshan 1st Road, east of Xiamen Road, Hushan Town, Lanshan District, Rizhao City, Shandong Province Patentee after: Huabang (Rizhao) Intelligent Equipment Co.,Ltd. Address before: 350200 Fujian, Fuzhou, Changle, hang Cheng street, Chaoyang North Road 99, 8, 2403 Patentee before: CHANGLE LIZHI PRODUCTS DESIGN Co.,Ltd. |
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