Anti-freezing protector for tap water pipeline
By adopting a heat-storage insulation composite layer and a snap-fit mechanism, the problems of high cost and inconvenient disassembly and assembly of tap water pipe antifreeze protection devices are solved, achieving low-cost, high-efficiency antifreeze effect and convenient installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-17
AI Technical Summary
Existing antifreeze protection devices for tap water pipes are costly and difficult to disassemble and install quickly. Photovoltaic panels and electric heating panels are complex to install, costly, and cumbersome to install.
It adopts a heat storage and insulation composite layer and snap-fit mechanism design, including a black polytetrafluoroethylene heat absorption and heat conduction layer, an aerogel outer insulation layer and a foam glass heat storage and insulation layer, combined with an elastic heat conduction layer, and achieves quick installation and disassembly through the snap-fit mechanism.
It reduces operating costs, improves installation efficiency, ensures water pipe temperature is above freezing to prevent freezing, and requires no complex electrical structure, making it easy to install and disassemble quickly.
Smart Images

Figure CN224003401U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water pipe antifreeze protection technology, and specifically relates to a tap water pipe antifreeze protector. Background Technology
[0002] As a type of specialized equipment, water pipe antifreeze protectors are designed to prevent water pipes from freezing in low-temperature environments. Their core function is to maintain the temperature of the water inside the pipe above the freezing point, thereby avoiding adverse conditions such as pipe rupture caused by the expansion of water when it freezes.
[0003] Chinese patent CN219863090U discloses an anti-freezing mechanism for rural water supply pipes above ground. The mechanism includes the water supply pipe itself, with an upper anti-freezing shell on one side above the pipe. An mounting groove is provided on the outer surface of the upper anti-freezing shell, within which a solar panel is securely mounted using fixing pins. A lower anti-freezing shell is located on one side below the pipe. Both the upper and lower anti-freezing shells are semi-circular in shape, with extended shells connecting their edges. This invention achieves anti-freezing by installing upper and lower anti-freezing heating plates on the upper and lower anti-freezing shells and the sides of the water supply pipe, respectively, and utilizing solar panels for energy charging. This is effective in preventing water pipes from freezing and causing blockages due to frozen tap water, thus improving the stability of the water supply for users.
[0004] However, the device has limitations in practical applications. Its anti-freeze mode, which uses photovoltaic panels in conjunction with electric heating plates, results in high overall costs due to the installation of these panels and requires complex wiring. This is unreasonable for large-scale application and is economically unsustainable. Furthermore, the device uses bolted connections during installation, making disassembly and installation cumbersome and inconvenient. Given the numerous inconveniences of the existing technology in application, optimization and improvement are necessary. Utility Model Content
[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a water pipe antifreeze protector to solve the problems of high cost and difficulty in quick disassembly and assembly during the application of the existing technology.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0007] The water pipe antifreeze protector includes a first protective shell and a second protective shell. The first protective shell is disposed on top of the second protective shell. The back of the first protective shell is hinged with hinge seats at equal intervals. The bottom of the hinge seats is hinged to the second protective shell. Both ends of the front of the first protective shell are fixedly installed with snap-fit mechanisms. The first and second protective shells are snapped together by the snap-fit mechanisms. Both the first and second protective shells are composed of a heat storage and heat insulation composite layer.
[0008] The snap-fit mechanism includes a sleeve and a snap-fit component. The sleeve is fixedly installed on both ends of the front of the first protective shell, and the snap-fit component is fixedly connected to both ends of the front of the second protective shell. An elastic limiting group is fixedly connected inside the sleeve, and the elastic limiting group and the snap-fit component are snap-fitted together.
[0009] As a preferred technical solution, the elastic limiting assembly includes a torsion spring, which is fixedly connected to the inside of the sleeve. A circular block is fixedly connected to the front end of the torsion spring, and the circular block is rotatably connected to the front end of the sleeve. A limiting rod is fixedly installed at the bottom of the circular block, and the end of the limiting rod is inserted into the inside of the clamp.
[0010] As a preferred technical solution, an adjustment shaft is fixedly connected to the side of the two circular blocks that are close to each other, and both the first protective shell and the second protective shell are arranged in an arc shape.
[0011] As a preferred technical solution, the clip includes a column, which is fixedly installed at both ends of the front of the second protective shell. An arc-shaped tube is fixedly installed at the front end of the column, and an arc-shaped through hole is opened inside the arc-shaped tube. The lower end of the limiting rod is arc-shaped and inserted into the arc-shaped through hole. The arc-shaped through hole and the arc-shaped lower end of the limiting rod are both concentric with the torsion spring.
[0012] As a preferred technical solution, the heat storage and insulation composite layer includes a heat absorption and heat conduction layer, which is disposed on the outermost layer of the first protective shell and the second protective shell. An outer insulation layer is fixedly connected to the inner side of the heat absorption and heat conduction layer, a heat storage and insulation layer is fixedly connected to the inner side of the outer insulation layer, and an elastic heat conduction layer is fixedly connected to the inner side of the heat storage and insulation layer.
[0013] As a preferred technical solution, the heat-absorbing and heat-conducting layer is a black polytetrafluoroethylene layer, and the outer insulation layer is an aerogel outer layer.
[0014] As a preferred technical solution, the heat storage and insulation layer is a foam glass insulation material layer, and the elastic thermal conductive layer is a silicone insulation conductor containing alumina.
[0015] In summary, the present invention has the following main advantages:
[0016] First, this device uses an external black polytetrafluoroethylene heat-absorbing and conducting layer. During the day, it can efficiently absorb solar heat and conduct it to the aerogel outer insulation layer. The heat then slowly penetrates into the foam glass heat storage layer for storage. At night, the aerogel outer insulation layer keeps the water warm, and the heat absorbed by the aerogel and foam glass layers is radiated to the water pipes through the elastic heat-conducting layer (alumina-containing silicone insulation conductor), ensuring that the water pipe temperature is above freezing point and effectively preventing freezing. The elasticity of the elastic heat-conducting layer can also fit the water pipes tightly, improving the insulation effect. Moreover, this device does not require wires or complex electrical structures, reducing the cost of use and making it highly valuable for promotion.
[0017] Secondly, this device employs a snap-fit mechanism, allowing the first and second protective shells to be flipped over and cover the water pipe via hinges during installation. Twisting the adjusting shaft causes the circular block to rotate, separating the limiting rod from the arc-shaped tube. After the protective shell closes, the adjusting shaft is released, and the torsion spring returns to its original position, allowing the limiting rod to insert into the arc-shaped tube to complete the snap-fit and secure installation. To remove the device, simply push the adjusting shaft to disengage the limiting rod from the arc-shaped tube, allowing for quick removal of the protective shell. This design significantly improves the efficiency of device installation and application, bringing great convenience to users. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the rear view structure of this utility model;
[0020] Figure 3 This is a front view structural diagram of the disassembled state of this utility model;
[0021] Figure 4 This is a schematic diagram of the disassembled rear view structure of this utility model;
[0022] Figure 5 This is a utility model Figure 3 A magnified structural diagram at point A;
[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of the heat storage and insulation composite layer of this utility model.
[0024] Reference numerals: 1. First protective shell; 2. Heat storage and insulation composite layer; 21. Heat absorption and conduction layer; 22. Outer insulation layer; 23. Heat storage and insulation layer; 24. Elastic heat conduction layer; 3. Second protective shell; 4. Hinge seat; 5. Snap-fit mechanism; 51. Sleeve; 52. Clip; 521. Column; 522. Arc-shaped tube; 523. Arc-shaped perforation; 53. Elastic limiting group; 531. Torsion spring; 532. Round block; 533. Limiting rod; 534. Adjusting shaft. Detailed Implementation
[0025] Example
[0026] refer to Figures 1 to 6 The water pipe antifreeze protector of this embodiment includes a first protective shell 1 and a second protective shell 3. The first protective shell 1 is disposed on the top of the second protective shell 3. The back of the first protective shell 1 is hinged with hinge seats 4 at equal intervals. The bottom of the hinge seats 4 is hinged to the second protective shell 3. Both ends of the front of the first protective shell 1 are fixedly installed with snap-fit mechanisms 5. The first protective shell 1 and the second protective shell 3 are snapped together by the snap-fit mechanisms 5. Both the first protective shell 1 and the second protective shell 3 are composed of a heat storage and heat insulation composite layer 2.
[0027] The snap-fit mechanism 5 includes a sleeve 51 and a snap-fit element 52. The sleeve 51 is fixedly installed at both ends of the front of the first protective shell 1, and the snap-fit element 52 is fixedly connected to both ends of the front of the second protective shell 3. An elastic limiting group 53 is fixedly connected inside the sleeve 51, and the elastic limiting group 53 and the snap-fit element 52 snap together. The first protective shell 1 and the second protective shell 3 constitute the protective body. The two are rotatably connected by a hinge seat 4 on the back. When installation is required, the first protective shell 1 is rotated open around the hinge seat 4, the pipe is placed between the first protective shell 1 and the second protective shell 3, and then the first protective shell 1 is rotated back to be connected to the second protective shell 3. When the protective shell 3 is in place, the elastic limiting group 53 inside the sleeve 51 fixed at both ends of the front of the first protective shell 1 comes into play. Due to its elasticity, the elastic limiting group 53 is squeezed and deformed when the clamp 52 approaches the sleeve 51. When the clamp 52 is aligned and inserted into the appropriate position of the sleeve 51, the elastic limiting group 53 returns to its original state and engages with the clamp 52, thereby making the first protective shell 1 and the second protective shell 3 tightly fixed together. This ensures that the protective shell composed of the heat storage and insulation composite layer 2 can stably wrap the water pipe, perform its heat storage and insulation function, and prevent the pipe from freezing in a low-temperature environment.
[0028] refer to Figures 3-5The elastic limiting assembly 53 includes a torsion spring 531, which is fixedly connected to the inside of the sleeve 51. A round block 532 is fixedly connected to the front end of the torsion spring 531, and the round block 532 is rotatably connected to the front end of the sleeve 51. A limiting rod 533 is fixedly installed at the bottom of the round block 532, and the end of the limiting rod 533 is inserted into the inner side of the clamp 52. An adjusting shaft 534 is fixedly connected to the side of the two round blocks 532 that are close to each other. The first protective shell 1 and the second protective shell 3 are both arc-shaped. The clamp 52 includes a column 52. 1. The uprights 521 are fixedly installed at both ends of the front of the second protective shell 3. An arc-shaped tube 522 is fixedly installed at the front end of the uprights 521. An arc-shaped through hole 523 is opened inside the arc-shaped tube 522. The lower end of the limiting rod 533 is arc-shaped and inserted into the arc-shaped through hole 523. The arc-shaped through hole 523 and the arc-shaped lower end of the limiting rod 533 are both concentric with the torsion spring 531. During use, when it is necessary to connect the first protective shell 1 and the second protective shell 3, the adjusting shaft 5 is rotated. 34. This causes the connected circular block 532 to rotate. The rotation of the circular block 532 causes the torsion spring 531 to twist and produce elastic deformation. At this time, the limiting rod 533 fixed to the bottom of the circular block 532 rotates accordingly and is pulled out from the arc-shaped through hole 523 of the arc-shaped tube 522 of the clamp 52. The first protective shell 1 is rotated around the hinge seat 4 to fit with the second protective shell 3, so that the sleeve 51 on the front of the first protective shell 1 is aligned with the arc-shaped tube 522 at the front end of the column 521 on the front of the second protective shell 3. The adjusting shaft 534 is released, and the torsion spring 531... 31. Due to the elastic recovery of its original shape, the circular block 532 rotates in the opposite direction, thereby causing the lower arc-shaped end of the limiting rod 533 to be inserted into the arc-shaped perforation 523 of the arc-shaped tube 522. Since the arc-shaped perforation 523 and the lower arc-shaped end of the limiting rod 533 are both set in concentric circles with the torsion spring 531, this structure ensures that the limiting rod 533 can be accurately and stably locked in, so that the first protective shell 1 and the second protective shell 3 are firmly locked in place by the locking mechanism 5, providing stable protection for the tap water pipe and preventing the pipe from freezing due to low temperature.
[0029] refer to Figure 6The heat storage and insulation composite layer 2 includes a heat-absorbing and heat-conducting layer 21, which is disposed on the outermost layer of the first protective shell 1 and the second protective shell 3. An outer insulation layer 22 is fixedly connected to the inner side of the heat-absorbing and heat-conducting layer 21, and a heat storage and insulation layer 23 is fixedly connected to the inner side of the outer insulation layer 22. An elastic heat-conducting layer 24 is fixedly connected to the inner side of the heat storage and insulation layer 23. The heat-absorbing and heat-conducting layer 21 is a black polytetrafluoroethylene layer, the outer insulation layer 22 is an aerogel outer layer, the heat storage and insulation layer 23 is a foam glass insulation material layer, and the elastic heat-conducting layer 24 is a silicone insulation conductor containing alumina. The outermost black polytetrafluoroethylene heat-absorbing and heat-conducting layer 21 of the heat storage and insulation composite layer 2 has an extremely high solar absorption rate, rapidly absorbing solar radiation heat during the day and efficiently conducting heat inwards. Although the connected aerogel outer insulation layer 22 has excellent thermal insulation performance, under the continuous action of the high-heat heat-absorbing and heat-conducting layer 21, some heat can still slowly pass through and be transferred to the inner foam glass insulation material layer. The foam glass insulation material layer has good heat storage capacity and can effectively store the absorbed heat energy. At night, the aerogel outer insulation layer 22 fully exerts its thermal insulation effect and slows down the loss of internal heat. At the same time, the heat absorbed by the aerogel and foam glass layers during the day will also be slowly released. This heat is slowly conducted to the inside of the encased pipe through the elastic heat-conducting layer 24, which is composed of alumina-containing silicone thermal conductor, so that the pipe always maintains a certain temperature, playing a role in heat storage and insulation, preventing the pipe from freezing due to low temperature. Moreover, the elasticity of the elastic heat-conducting layer 24 can better adapt to the pipe and improve the overall thermal insulation effect.
[0030] Operating principle and advantages: This device innovatively adopts an external black polytetrafluoroethylene heat-absorbing and heat-conducting layer 21, which has an extremely high absorption rate of sunlight. During the day, it can quickly absorb the heat of solar radiation and efficiently conduct the heat away. The heat-absorbing and heat-conducting layer 21 is closely attached to the aerogel outer insulation layer 22. Although the aerogel outer insulation layer 22 has excellent heat preservation performance, during long-term contact with the high-heat heat-absorbing and heat-conducting layer 21, heat can still slowly pass through and be transferred to the inner heat storage insulation layer 23. The heat storage insulation layer 23 is made of foam glass insulation material, which has good heat storage capacity and can effectively store the absorbed heat energy.
[0031] At night, the aerogel outer insulation layer 22 fully utilizes its excellent insulation properties to slow down internal heat loss. Simultaneously, the heat absorbed by the aerogel during the day is slowly released, and the heat absorbed by the foam glass insulation layer during the day can also assist in inward radiation. Heat is dissipated through the outer insulation layer 22 and the heat storage insulation layer 23, and can be transferred to the inner elastic heat-conducting layer 24. The elastic heat-conducting layer 24 is composed of a silicone insulation conductor containing alumina. At night, the outer insulation layer 22 continues to maintain its heat, while the heat stored in the heat storage insulation layer 23 is slowly transferred to the inner water pipes through the elastic heat-conducting layer 24. Radiation conduction, this unique thermal energy management system, not only endows the device with strong heat preservation performance, but also ensures that the heat absorbed during the day is accurately transferred to the water pipes inside the first protective shell 1 and the second protective shell 3, keeping the temperature of the water pipes above the freezing point, effectively preventing the water pipes from freezing and achieving excellent anti-freeze protection. At the same time, the elastic thermal conductive layer 24 is a silicone thermal insulation conductor, which has good elasticity and can stably fit and contact the tap water pipes, improving its overall heat preservation effect. In addition, this device does not require connecting wires or complex electrical structures, which greatly reduces the cost of use and has great value for promotion and application.
[0032] The device is equipped with a sophisticated snap-fit mechanism 5, which greatly improves the convenience of installation and disassembly. In actual use, the first protective shell 1 and the second protective shell 3 are placed over the outer surface of the water pipe. The first protective shell 1 and the second protective shell 3 can be flexibly flipped and adjusted through the hinge to make them fit the water pipe precisely. Then, the adjusting shaft 534 is turned to drive the round block 532 to rotate. During the rotation of the round block 532, the torsion spring 531 is compressed, and the torsion spring 531 is in a compressed state. At the same time, the round block 532 drives the limiting rod 533 to rotate. This causes the limiting rod 533 to separate from the arc-shaped tube 522. After the first protective shell 1 and the second protective shell 3 are closed in place, the adjusting shaft 534 is released, the torsion spring 531 quickly returns to its original position, and pushes the round block 532 to rotate in the opposite direction. The round block 532 drives the arc-shaped end of the limiting rod 533 to be precisely inserted into the arc-shaped through hole 523 of the arc-shaped tube 522. Through the tight engagement between the limiting rod 533 and the arc-shaped tube 522, the first protective shell 1 and the second protective shell 3 are stably limited, ensuring that the device is firmly installed on the water pipe.
[0033] When it is necessary to remove the first protective shell 1 and the second protective shell 3, the operation is equally simple. Just push the adjusting shaft 534 again to rotate the round block 532, so that the arc-shaped end of the limiting rod 533 is pulled out from the arc-shaped through hole 523 of the arc-shaped tube 522. After the limiting rod 533 is separated from the arc-shaped tube 522, the first protective shell 1 and the second protective shell 3 are released from the limit, and the removal operation can be completed quickly. This convenient snap-fit design enables the device to be installed and applied quickly, which significantly improves the efficiency of use.
Claims
1. A frost protector for a water supply pipe comprising a first protective casing (1) and a second protective casing (3), characterised in that: The first protective shell (1) is arranged on the top of the second protective shell (3), the back of the first protective shell (1) is hingedly connected with a hinge seat (4) at equal intervals, the bottom of the hinge seat (4) is hingedly connected with the second protective shell (3), the front of the first protective shell (1) is fixedly connected with a clamping mechanism (5) at both ends, the first protective shell (1) and the second protective shell (3) are clamped with each other through the clamping mechanism (5), and the first protective shell (1) and the second protective shell (3) are both composed of a heat storage and heat preservation composite layer (2). The clamping mechanism (5) comprises a sleeve (51) and a clamping piece (52), the sleeve (51) is fixedly connected with the front of the first protective shell (1) at both ends, the clamping piece (52) is fixedly connected with the front of the second protective shell (3) at both ends, the inside of the sleeve (51) is fixedly connected with an elastic limiting group (53), and the elastic limiting group (53) is clamped with the clamping piece (52).
2. A frost protector for a water supply pipe as claimed in claim 1, characterised in that: The elastic limiting group (53) comprises a torsion spring (531), the torsion spring (531) is fixedly connected with the inside of the sleeve (51), the front end of the torsion spring (531) is fixedly connected with a circular block (532), the circular block (532) is rotatably connected with the front end of the sleeve (51), the bottom of the circular block (532) is fixedly connected with a limiting rod (533), and the end of the limiting rod (533) is inserted into the inside of the clamping piece (52).
3. A frost protector for a water supply pipe as claimed in claim 2, wherein: Both sides of the two circular blocks (532) close to each other are fixedly connected with adjusting shafts (534), and the first protective shell (1) and the second protective shell (3) are arranged in an arc shape.
4. A frost protector for a water supply pipe as claimed in claim 3, wherein: The clamping piece (52) comprises a stand column (521), the stand column (521) is fixedly connected with the front of the second protective shell (3) at both ends, the front end of the stand column (521) is fixedly connected with an arc-shaped pipe (522), the inside of the arc-shaped pipe (522) is provided with an arc-shaped perforation (523), the lower end of the limiting rod (533) is arranged in an arc shape, the arc-shaped pipe (522) is inserted into the inside of the arc-shaped perforation (523), and the arc-shaped perforation (523) and the arc-shaped part of the lower end of the limiting rod (533) are arranged in concentric circles with the torsion spring (531).
5. The freeze protector for a water service line of claim 1, wherein: The heat storage and heat preservation composite layer (2) comprises a heat absorption and heat conduction layer (21), the heat absorption and heat conduction layer (21) is arranged on the outermost layer of the first protective shell (1) and the second protective shell (3), the inside of the heat absorption and heat conduction layer (21) is fixedly connected with an external thermal insulation layer (22), the inside of the external thermal insulation layer (22) is fixedly connected with a heat storage and heat preservation layer (23), and the inside of the heat storage and heat preservation layer (23) is fixedly connected with an elastic heat conduction layer (24).
6. A frost protector for a water supply pipe as claimed in claim 5, wherein: The heat absorption and heat conduction layer (21) is a black polytetrafluoroethylene layer, and the external thermal insulation layer (22) is an aerogel outer layer.
7. A frost protector for a water supply pipe as claimed in claim 6, wherein: The heat storage and heat preservation layer (23) is a foam glass heat preservation material layer, and the elastic heat conduction layer (24) is a silica gel heat preservation conductor containing aluminum oxide.
Citation Information
Patent Citations
Anti-freezing mechanism based on rural water supply home-entry facility above ground
CN219863090U