Heat preservation structure at joint of residential pipeline
By setting up a back-type insulation box and a rack and rack transmission system at the pipe joints, the problem of pipe joints freezing in extremely low temperature environments is solved, and the effect of rapid heating and anti-freezing is achieved, which is suitable for the insulation structure of residential pipe joints.
Patent Information
- Application Number
- CN202422089937.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing residential pipe joints are prone to freezing in extremely low temperature environments, and the lack of effective insulation structure leads to poor anti-freeze effect.
A return insulation box is set up at the pipe joint, with a built-in heating wire, temperature sensor, micro motor and stirring shaft system. The temperature is sensed through the temperature sensor and the heating wire is started. The gear rack and rack transmission system is used to achieve rapid stirring of the heating fluid, increase the heating area, and prevent freezing.
It realizes rapid heating of pipe joints in extremely low temperature environments to prevent freezing, simple structure and easy use, and is suitable for insulation structures at residential pipe joints.
Smart Images

Figure CN223137340U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline connection, in particular to a heat preservation structure at the joint of residential pipelines. Background Art
[0002] Insulated pipelines are widely used in the field of urban central heating for residential use. In order to prevent water leakage at the pipeline joints, a protection device is set at the pipeline joints;
[0003] In the pipeline structure protection structure of natural gas transmission and distribution pipelines proposed by the publication number CN218267794U, a connecting pipe is arranged at the joints of two pipelines, the two pipelines are connected through the connecting pipe, and the external connecting plate of the connecting pipe is connected with the installation connecting plate on the pipeline through bolts;
[0004] However, the above patent lacks a heat preservation structure at the pipeline joints. When used in a residential environment, in the face of extremely low temperature environments, it is still very easy for the water pipe joints to freeze and burst, resulting in poor anti-freezing effect of the anti-freezing pipeline joints and difficulty in defrosting in time when frozen.
[0005] Based on this, this scheme proposes a heat preservation structure at the joint of residential pipelines. Content of the Utility Model
[0006] The purpose of the utility model is to provide a heat preservation structure at the joint of residential pipelines to solve the problems put forward in the above background art.
[0007] To achieve the above purpose, the utility model provides the following technical scheme: A heat preservation structure at the joint of residential pipelines, including a pipeline joint,
[0008] A U-shaped heat preservation box is movably sleeved outside the pipeline joint, and a first pipeline and a second pipeline are respectively threadedly sleeved at both ends of the pipeline joint;
[0009] A plurality of rotating shafts are rotatably installed at equal distances inside the U-shaped heat preservation box. A linkage gear is fixedly sleeved on any one of the rotating shafts, and a plurality of stirring shafts are fixedly sleeved on any one of the rotating shafts. Adjacent two linkage gears are meshed with each other;
[0010] One end of the corresponding rotating shaft is fixedly sleeved with a reciprocating gear. An installation frame is fixedly installed on one side of the U-shaped heat preservation box close to the reciprocating gear. A micro motor is fixedly installed on the installation frame. A reciprocating lead screw is fixedly sleeved on the output shaft of the micro motor. A reciprocating rack meshed with the reciprocating gear is threadedly sleeved on the reciprocating lead screw;
[0011] A feeding pipe and a discharging pipe are respectively fixedly installed on the top and bottom of the U-shaped heat preservation box, and a storage battery is fixedly installed on the top of the U-shaped heat preservation box;
[0012] A heating wire is fixedly installed at the inner center of the circular heat preservation box.
[0013] Preferably, a temperature sensor electrically connected to the heating wire is fixedly installed inside the circular heat preservation box.
[0014] By adopting the above technical solution, the internal temperature of the circular heat preservation box can be sensed by the temperature sensor. When the internal temperature of the circular heat preservation box is too low, the heating wire can be started in linkage.
[0015] Preferably, both the feeding pipe and the discharging pipe are provided with valves.
[0016] By adopting the above technical solution, the heating liquid in the return-shaped insulation box can be easily replaced through the feeding pipe and the discharging pipe.
[0017] Preferably, a heat-conducting partition is filled between the circular insulation box and the pipe joint.
[0018] By adopting the above technical solution, rapid heat conduction is facilitated through the heat-conducting baffle.
[0019] Preferably, a slide rail is fixedly installed on one side of the circular insulated box close to the reciprocating rack, and a slider fixedly connected to the reciprocating rack is slidably installed on the slide rail.
[0020] By adopting the above technical solution, the movement of the reciprocating rack is facilitated by the slide rail and the slider.
[0021] Preferably, an operating block is fixedly installed on the pipe joint, and through holes are provided at the top and bottom of the operating block, and limit rods are movably installed in the two through holes, and rollers are rotatably installed at the ends of the two limit rods close to each other, and a locking bolt is threadedly installed on one side of the operating block, and a trapezoidal block compatible with the roller is rotatably installed on one end of the locking bolt, and two fixed blocks are fixedly installed on the side of the U-shaped insulation box close to the operating block, and limit grooves compatible with the limit rods are provided on the sides of the two fixed blocks close to each other.
[0022] By adopting the above technical solution, when in use, first put the U-shaped insulation box on the outside of the pipe joint, and then drive the trapezoidal block to move horizontally inward by tightening and rotating the locking bolt inward. The movement of the trapezoidal block squeezes the two rollers to move separately up and down, which can drive the two limit rods to move separately up and down, so that the limit rods are respectively inserted into the limit grooves on the corresponding fixed blocks, and the U-shaped insulation box can be fixed to the outside of the pipe joint, which is convenient for quickly installing and fixing the U-shaped insulation box on the pipe joint.
[0023] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the circular insulation box is first put on the outside of the pipe joint, and then the locking bolt is rotated inwardly to drive the trapezoidal block to move horizontally inward, and the movement of the trapezoidal block squeezes the two rollers to move up and down separately, thereby driving the two limit rods to move up and down separately, so that the limit rods are respectively inserted into the limit grooves on the corresponding fixed blocks, and the circular insulation box can be fixed to the outside of the pipe joint, which is convenient for quickly installing and fixing the circular insulation box on the pipe joint, and then heating liquid is added to the circular insulation box through the feeding pipe, and the internal temperature of the circular insulation box can be sensed by the temperature sensor. When the internal temperature of the circular insulation box is too low, the circular insulation box can be connected. The heating wire is started automatically, and the heating liquid can be quickly heated by starting the heating wire. Then, the reciprocating screw rod is driven to rotate by starting the micro motor, and the reciprocating screw rod drives the reciprocating rack to move back and forth left and right. The reciprocating rack drives the reciprocating gear to rotate back and forth, which can drive the corresponding rotating shaft to rotate back and forth, which can drive the corresponding linkage gear to rotate back and forth, and the linkage gear links multiple linkage gears to rotate back and forth at the same time, which can drive the reciprocating rotation of multiple rotating shafts, which can drive the reciprocating rotation of multiple stirring shafts, and the heating liquid in the circular insulation box can be quickly stirred back and forth, which increases the heating area and facilitates rapid heating. The water in the pipe joint can be quickly heated and thawed to prevent the water in the pipe joint from freezing. The utility model has a simple structure and is easy to use. The insulation structure at the residential pipe joint can add an insulation structure at the pipe joint, and the pipe joint can be quickly heated in an extreme low temperature environment to prevent the pipe joint from freezing. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a three-dimensional diagram of the utility model;
[0025] Figure 2 This is a schematic diagram of the structure of part A of the utility model;
[0026] Figure 3 This is a three-dimensional diagram of the internal structure of the operating block of the utility model;
[0027] Figure 4 It is a three-dimensional diagram of the internal structure of the circular heat preservation box of the present utility model.
[0028] In the figure: 1. pipe joint; 2. first pipe; 3. mounting bracket; 4. micro motor; 5. battery; 6. second pipe; 7. feeding pipe; 8. circular insulation box; 9. discharge pipe; 10. temperature sensor; 11. reciprocating screw; 12. reciprocating rack; 13. reciprocating gear; 14. rotating shaft; 15. heat-conducting baffle; 16. fixing block; 17. limiting rod; 18. roller; 19. locking bolt; 20. trapezoidal block; 21. reset spring; 22. linkage gear; 23. stirring shaft; 24. heating wire. Detailed implementation manners
[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0030] Please refer to Figures 1-4The utility model provides a technical solution: a heat preservation structure at a residential pipe joint, comprising a pipe joint 1, a return-type heat preservation box 8 is movably sleeved on the outer side of the pipe joint 1, and a first pipe 2 and a second pipe 6 are respectively threadedly sleeved on both ends of the pipe joint 1, a plurality of rotating shafts 14 are equidistantly installed in the return-type heat preservation box 8, a linkage gear 22 is fixedly sleeved on any one of the rotating shafts 14, and a plurality of stirring shafts 23 are fixedly sleeved on any one of the rotating shafts 14, two adjacent linkage gears 22 are meshed with each other, and a reciprocating gear 13 is fixedly sleeved on one end of the corresponding rotating shaft 14, and the return-type heat preservation box 8 is rotatably installed in the inner side of the return-type heat preservation box 8, and a plurality of rotating shafts 14 are fixedly sleeved on any one of the rotating shafts 14, and a plurality of stirring shafts 23 are fixedly sleeved on any one of the rotating shafts 14, and two adjacent linkage gears 22 are meshed with each other, and a reciprocating gear 13 is fixedly sleeved on one end of the corresponding rotating shaft 14, and the return-type heat preservation box 8 is rotatably installed in the inner side of the return-type heat preservation box 8, and a plurality of rotating shafts 14 are fixedly sleeved on ... A mounting frame 3 is fixedly installed on one side of the incubator 8 near the reciprocating gear 13, a micro motor 4 is fixedly installed on the mounting frame 3, a reciprocating screw rod 11 is fixedly sleeved on the output shaft of the micro motor 4, a reciprocating rack 12 meshing with the reciprocating gear 13 is threadedly sleeved on the reciprocating screw rod 11, a slide rail is fixedly installed on one side of the return-type incubator 8 near the reciprocating rack 12, a slider fixedly connected to the reciprocating rack 12 is slidably installed on the slide rail, a feeding pipe 7 and a discharging pipe 9 are fixedly installed on the top and bottom of the return-type incubator 8 respectively, and a battery 5 is fixedly installed on the top of the return-type incubator 8, and the inner A heating wire 24 is fixedly installed at the center position of the back-shaped heat preservation box 8, and a temperature sensor 10 electrically connected to the heating wire 24 is fixedly installed inside the back-shaped heat preservation box 8. Through the above-mentioned structural arrangement, heating liquid is added into the back-shaped heat preservation box 8 through the feeding pipe 7, and the internal temperature of the back-shaped heat preservation box 8 can be sensed by the temperature sensor 10. When the internal temperature of the back-shaped heat preservation box 8 is too low, the heating wire 24 can be started in linkage. Starting the heating wire 24 can quickly heat the heating liquid, and then the reciprocating screw rod 11 is driven to rotate by starting the micro motor 4, and the reciprocating screw rod 11 drives the left and right reciprocating racks 12. The reciprocating movement, the reciprocating rack 12 drives the reciprocating rotation of the reciprocating gear 13, which can drive the reciprocating rotation of the corresponding rotating shaft 14, which can drive the reciprocating rotation of the corresponding linkage gear 22, and the linkage gear 22 links multiple linkage gears 22 and reciprocates at the same time, which can drive the reciprocating rotation of multiple rotating shafts 14, which can drive the reciprocating rotation of multiple stirring shafts 23, so that the heating liquid in the circular insulation box 8 can be quickly stirred back and forth, the heating area is increased, and it is convenient for rapid heating, so that the water in the pipe joint 1 can be quickly heated and thawed to prevent the water in the pipe joint 1 from freezing.
[0031] Combination Figures 1-4 As shown, valves are provided on the feeding pipe 7 and the discharging pipe 9. Through the above-mentioned structural arrangement, the heating liquid in the return-shaped insulation box 8 can be easily replaced through the feeding pipe 7 and the discharging pipe 9.
[0032] Combination Figures 1-4 As shown, a heat-conducting baffle 15 is filled between the circular insulation box 8 and the pipe joint 1. Through the above-mentioned structural setting, the heat-conducting baffle 15 facilitates rapid heat conduction and facilitates rapid increase of the internal temperature of the pipe joint 1.
[0033] Combined Figures 1-4 As shown, an operation block is fixedly installed on the pipe joint 1. Through holes are formed in both the top and the bottom of the operation block. Limiting rods 17 are movably installed in the two through holes. Rotating rollers 18 are installed at one ends of the two limiting rods 17 close to each other. A locking bolt 19 is threadedly installed on one side of the operation block. One end of the locking bolt 19 is rotatably installed with a trapezoidal block 20 adapted to the roller 18. Two fixing blocks 16 are fixedly installed on one side of the U-shaped insulation box 8 close to the operation block. Limiting grooves adapted to the limiting rods 17 are formed in one sides of the two fixing blocks 16 close to each other. Through the above structural arrangement, first, the U-shaped insulation box 8 is sleeved on the outside of the pipe joint 1, and then by inwardly locking and rotating the locking bolt 19, the inward horizontal movement of the trapezoidal block 20 is driven. The movement of the trapezoidal block 20 squeezes the up-and-down separation movement of the two rollers 18, thereby driving the up-and-down separation movement of the two limiting rods 17, so that the limiting rods 17 are respectively inserted into the limiting grooves on the corresponding fixing blocks 16, and the U-shaped insulation box 8 can be fixed on the outside of the pipe joint 1, facilitating the quick installation and fixation of the U-shaped insulation box 8 on the pipe joint 1.
[0034] Working principle of the utility model: when in use, first put the return-shaped insulation box 8 on the outside of the pipe joint 1, and then drive the trapezoidal block 20 to move horizontally inward by tightening and rotating the locking bolt 19 inward, and the movement of the trapezoidal block 20 squeezes the two rollers 18 to move up and down separately, which can drive the two limit rods 17 to move up and down separately, so that the limit rods 17 are respectively inserted into the limit grooves on the corresponding fixing blocks 16, and the return-shaped insulation box 8 can be fixed on the outside of the pipe joint 1, which is convenient for quickly installing and fixing the return-shaped insulation box 8 on the pipe joint 1, and then add heating liquid into the return-shaped insulation box 8 through the feeding pipe 7, and the internal temperature of the return-shaped insulation box 8 can be sensed by the temperature sensor 10. When the internal temperature of the return-shaped insulation box 8 is too low, the heating wire 2 can be started in linkage. 4. Starting the heating wire 24 can quickly heat the heating liquid, and then starting the micro motor 4 drives the rotation of the reciprocating screw 11, the reciprocating screw 11 drives the reciprocating rack 12 to move back and forth, the reciprocating rack 12 drives the reciprocating gear 13 to rotate back and forth, which can drive the reciprocating rotation of the corresponding rotating shaft 14, which can drive the reciprocating rotation of the corresponding linkage gear 22, the linkage gear 22 links multiple linkage gears 22 to rotate back and forth at the same time, which can drive the reciprocating rotation of multiple rotating shafts 14, which can drive the reciprocating rotation of multiple stirring shafts 23, and the heating liquid in the return-shaped insulation box 8 can be quickly stirred back and forth, the heating area is increased, and it is convenient to quickly heat up, so that the water in the pipe joint 1 can be quickly heated and thawed to prevent the water in the pipe joint 1 from freezing. The utility model has a simple structure and is easy to use. The thermal insulation structure at the residential pipe joint can be added at the pipe joint, and the pipe joint can be quickly heated in an extremely low temperature environment to prevent the pipe joint from freezing. At the same time, sensors are generally provided at the pipe joints, and the setting of the thermal insulation structure can prevent low temperature from affecting the operation of the sensor.
[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. Thermal insulation structure at the joint of residential pipelines, including a pipeline joint (1), characterized in that: A U-shaped thermal insulation box (8) is movably sleeved on the outer side of the pipeline joint (1), and the two ends of the pipeline joint (1) are respectively threadedly sleeved with a first pipeline (2) and a second pipeline (6); A plurality of rotating shafts (14) are rotatably installed at equal intervals inside the U-shaped thermal insulation box (8). A linkage gear (22) is fixedly sleeved on any one of the rotating shafts (14), and a plurality of stirring shafts (23) are fixedly sleeved on any one of the rotating shafts (14). Adjacent two linkage gears (22) are meshed with each other; One end of the corresponding rotating shaft (14) is fixedly sleeved with a reciprocating gear (13). An installation frame (3) is fixedly installed on one side of the U-shaped thermal insulation box (8) close to the reciprocating gear (13). A micro motor (4) is fixedly installed on the installation frame (3). A reciprocating lead screw (11) is fixedly sleeved on the output shaft of the micro motor (4). A reciprocating rack (12) meshed with the reciprocating gear (13) is threadedly sleeved on the reciprocating lead screw (11); A feeding pipe (7) and a discharging pipe (9) are respectively fixedly installed on the top and bottom of the U-shaped thermal insulation box (8), and a storage battery (5) is fixedly installed on the top of the U-shaped thermal insulation box (8); A heating wire (24) is fixedly installed at the central position inside the U-shaped thermal insulation box (8).
2. The thermal insulation structure at the joint of the residential pipeline according to claim 1, wherein: A temperature sensor (10) electrically connected to the heating wire (24) is fixedly installed inside the U-shaped thermal insulation box (8).
3. The thermal insulation structure at the joint of the residential pipeline according to claim 1, wherein: Valves are provided on both the feeding pipe (7) and the discharging pipe (9).
4. The thermal insulation structure at the joint of the residential pipeline according to claim 1, characterized in that: A heat-conducting partition board (15) is filled between the U-shaped thermal insulation box (8) and the pipeline joint (1).
5. The thermal insulation structure at the joint of the residential pipeline according to claim 1, characterized in that: A slide rail is fixedly installed on one side of the U-shaped thermal insulation box (8) close to the reciprocating rack (12), and a slider fixedly connected to the reciprocating rack (12) is slidably installed on the slide rail.
6. The thermal insulation structure at the joint of the residential pipeline according to claim 1, wherein: An operation block is fixedly installed on the pipeline joint (1). Through holes are respectively opened at the top and bottom of the operation block. A limiting rod (17) is movably installed in each of the two through holes. A roller (18) is rotatably installed at one end of the two limiting rods (17) close to each other. A locking bolt (19) is threadedly installed on one side of the operation block. A trapezoidal block (20) adapted to the roller (18) is rotatably installed at one end of the locking bolt (19). Two fixing blocks (16) are fixedly installed on one side of the U-shaped thermal insulation box (8) close to the operation block. Limiting grooves adapted to the limiting rods (17) are respectively opened on one side of the two fixing blocks (16) close to each other.
Citation Information
Patent Citations
Natural gas transmission and distribution pipeline interface protection structure
CN218267794U