Heating pipeline temperature compensator
By using sliding compensators and elastic retainers, the problem of connection instability caused by thermal expansion and contraction of heating pipes is solved, thus improving the convenience and stability of pipe connections.
Patent Information
- Application Number
- CN202422906921.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The instability of heating pipe connections due to thermal expansion and contraction, especially with flange connections, can easily lead to pipe deformation and affect connection stability.
The system employs a slidingly connected first and second compensator, combined with an elastic retainer. The compensation cavity formed by the first and second flanges communicates with the outside. The length of the compensator is adjusted using a locking element and a locking nut to ensure connection stability.
It reduces pipe connection errors, improves the convenience and stability of pipe connections, enhances the compensator's self-adaptive ability during thermal expansion and contraction, and maintains a reliable connection.
Smart Images
Figure CN223469889U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of heating pipeline, in particular to a heating pipeline temperature compensator. BACKGROUND
[0002] The compensator for heating pipeline can prevent the heating pipeline from being broken, and the effective telescopic deformation of the working main body corrugated pipe is used to absorb the size change of the pipeline, conduit, container and the like caused by thermal expansion and cold shrinkage, or compensate the axial, lateral and angular displacement of the pipeline, conduit, container and the like, and can also be used for noise reduction and vibration reduction, and is widely used in modern industry. In order to prevent the deformation or damage of the pipeline caused by thermal elongation or temperature stress when the heating pipeline is heated, the compensator needs to be arranged on the pipeline to compensate the thermal elongation of the pipeline, so as to reduce the stress of the pipeline wall and the force acting on the valve or support structure.
[0003] However, the heating pipeline is generally connected by flanges, so as to achieve the rigid fixing effect and improve the stability. However, under this connection mode, the pipeline is prone to deformation due to thermal expansion and cold shrinkage, thereby affecting the stability of the connected pipeline. CONTENT OF THE UTILITY MODEL
[0004] In order to reduce the problem of unstable connection of the pipeline caused by thermal expansion and cold shrinkage of the pipeline, the present application provides a heating pipeline temperature compensator.
[0005] The heating pipeline temperature compensator comprises a compensating assembly and an elastic fixer, the compensating assembly comprises a first compensator and a second compensator sleeved together, one end of the second compensator is located in the interior of the second compensator and is slidingly sealed, and the elastic fixer is arranged on the first compensator and locks the positions of the first compensator and the second compensator.
[0006] By adopting the above technical scheme, the first compensator and the second compensator slidingly connected can adjust the overall length of the compensator during the connection of the pipeline, thereby reducing the connection error of the heating pipeline to a certain extent, making the connection process of the pipeline more convenient, and the elastic fixer can be used to elastically fix the first compensator and the second compensator, so that the length of the compensator can be automatically adjusted to a certain extent during the thermal expansion and cold shrinkage of the pipeline, the reliable connection between the compensator and the pipeline is maintained, and the connection stability of the compensator is further improved.
[0007] Optionally, a distance is arranged between the first compensator and the second compensator, a first flange along to the second compensator is arranged at the sliding end of the first compensator, a second flange along to the first compensator is arranged at the sliding end of the second compensator, the first flange and the second flange form a closed compensating cavity, and the inner hole of the elastic fixing device respectively communicates with the compensating cavity and the first flange to exchange air and lock.
[0008] By adopting the above technical scheme, the first flange, the second flange, the inner wall of the first compensator and the outer wall of the second compensator form a cavity, i.e. the compensating cavity, the compensating cavity is communicated with the outside through the elastic fixing device, so that the air in the compensating cavity can be replenished or discharged, and the volume of the air in the compensating cavity is used to determine the overall length of the compensator.
[0009] Optionally, the side wall of the first flange is provided with a first sealing ring, and the side wall of the second flange is provided with a second sealing ring.
[0010] By adopting the above technical scheme, the first sealing ring can seal between the first flange and the second compensator, and the second sealing ring can seal between the second flange and the first compensator, so as to improve the overall sealing performance of the compensating cavity, reduce the air loss in the compensating cavity, and improve the stability of the compensator.
[0011] Optionally, the elastic fixing device comprises a connecting pipe and a valve body for opening or closing the connecting pipe, two ends of the connecting pipe are located on both sides of the second flange respectively, and the valve body is arranged on the connecting pipe.
[0012] By adopting the above technical scheme, the connecting pipe is used to communicate the compensating cavity with the outside, and the valve body is used to communicate or close the connecting pipe, so that the compensating cavity becomes a closed space again.
[0013] Optionally, the diameter of the inner hole of the second flange gradually decreases along the water flow direction.
[0014] By adopting the above technical scheme, the inner hole of the second flange gradually decreases, so that when the heating pipeline is used, the water flow can gradually enter the inner hole of the second compensator during the flow process, thereby reducing the impact of the water flow on the second compensator and improving the stability of the compensator.
[0015] Optionally, a locking piece is arranged on the side wall of the end of the second compensator away from the first compensator, the locking piece comprises a connecting part and an extending part, the locking piece is screwed with the outside of the second compensator through the connecting part, and the extending part abuts against the end face of the first compensator to axially limit the first compensator.
[0016] By adopting the technical scheme, the abutment of the locking piece against the end face of the first compensator can make the limiting of the first compensator and the second compensator more stable, and further improve the stability of the length of the compensator.
[0017] Optionally, the abutment portion is provided with an elastic layer on the abutment face of the first compensator.
[0018] By adopting the technical scheme, the elastic abutment between the abutment portion and the first compensator by the elastic layer can enable the first compensator and the second compensator to change positions to some extent while the length of the compensator is limited by the locking piece, thereby enhancing the effect of the compensator.
[0019] Optionally, the second compensator is provided with a locking piece on the side wall of the end away from the first compensator, the locking piece comprises a locking rod and a locking nut, one end of the locking rod is fixedly connected with the first compensator, and the locking nut is screwed with the locking rod and pushes the second compensator away from the first compensator.
[0020] By adopting the technical scheme, the locking nut can push the first compensator and the second compensator away from each other, so as to facilitate the air in the compensating cavity to reach the preset air pressure during the installation of the compensator, and the sliding between the first compensator and the second compensator is more stable by the locking rod.
[0021] In summary, the present application has at least one of the following beneficial technical effects:
[0022] 1. The first compensator and the second compensator connected by sliding can adjust the overall length of the compensator during the connection of the pipeline, thereby reducing the connection error of the heating pipeline to some extent, making the connection process of the pipeline more convenient, and the elastic fixer can elastically fix the first compensator and the second compensator, so that the length of the compensator can be automatically adjusted to some extent during the thermal expansion and contraction of the pipeline, thereby maintaining the reliable connection between the compensator and the pipeline and further improving the connection stability of the compensator.
[0023] 2. The first flange, the second flange, the inner wall of the first compensator and the outer wall of the second compensator form a cavity, i.e. a compensating cavity, which is connected to the outside by the elastic fixer, so that the air in the compensating cavity can be replenished or discharged, and the overall length of the compensator is determined by the volume of the air in the compensating cavity.
[0024] 3. The locking nut can push the first compensator and the second compensator away from each other, so as to facilitate the air in the compensating cavity to reach the preset air pressure during the installation of the compensator, and the sliding between the first compensator and the second compensator is more stable by the locking rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Fig. 1 This is a schematic diagram of the overall structure of a heating pipe temperature compensator in this application.
[0026] Fig. 2 This is a cross-sectional view of a heating pipe temperature compensator in an embodiment of the present application.
[0027] Fig. 3 It is a cross-sectional view of the elastic fixator in the embodiment of the present application.
[0028] Fig. 4 It is a schematic diagram of the locking rod structure in an embodiment of the present application.
[0029] Explanation of the accompanying drawings: 1. Compensating assembly; 11. First compensator; 111. First flange; 112. First flange; 12. Second compensator; 121. Second flange; 122. Second flange; 13. First sealing ring; 14. Second sealing ring; 10. Compensating chamber; 2. Elastic fixer; 21. Connecting pipe; 22. Valve body; 3. Locking piece; 31. Connecting part; 32. Extension part; 33. Elastic layer; 34. Locking rod; 35. Locking nut. DETAILED DESCRIPTION
[0030] The following is combined with Figs. 1-4 This application is described in further detail.
[0031] The embodiment of the present application discloses a heating pipe temperature compensator. Figs. 1-4 The heating pipe temperature compensator includes a compensation component 1 and an elastic fixer 2. The compensation component 1 includes a first compensator 11 and a second compensator 12 that are sleeved together. One end of the second compensator 12 is located inside the second compensator 12 and is slidingly sealed. The elastic fixer 2 is arranged on the first compensator 11 and locks the positions of the first compensator 11 and the second compensator 12. One end of the first compensator 11 connected to the second compensator 12 is a sliding end, and the other end is a fixed end; one end of the second compensator 12 connected to the first compensator 11 is a sliding end, and the other end is a fixed end. The fixed end of the first compensator 11 is fixedly provided with a first flange 111, and the fixed end of the second compensator 12 is fixedly provided with a second flange 121. The compensator and the pipeline are connected through the first flange 111 and the second flange 121.
[0032] The first compensator 11 and the second compensator 12 are connected in sliding mode, and the overall length of the compensator can be adjusted during the pipeline connection process, so as to reduce the connection error of the heating pipeline to some extent, make the pipeline connection process more convenient, and utilize the elastic fixer 2 to elastically fix the first compensator 11 and the second compensator 12, so that the length of the compensator can be automatically adjusted to some extent during the thermal expansion and cold contraction of the pipeline, the reliable connection between the compensator and the pipeline is maintained, and the connection stability of the compensator is further improved.
[0033] As a preferred embodiment, a distance is arranged between the first compensator 11 and the second compensator 12, the sliding end of the first compensator 11 is provided with a first flange 112 extending to the second compensator 12, and the side wall of the first flange 112 is attached to the second compensator 12. The sliding end of the second compensator 12 is provided with a second flange 122 extending to the first compensator 11, and the second flange 122 is attached to the outer side wall of the first compensator 11. The first flange 112 and the second flange 122 form a closed compensating cavity 10. The elastic fixer 2 is connected to the inner hole of the compensating cavity 10 and the first flange 112 to exchange and lock air.
[0034] The first flange 112, the second flange 122, the inner wall of the first compensator 11 and the outer wall of the second compensator 12 form a cavity, i.e. the compensating cavity 10. The compensating cavity 10 is connected to the outside through the elastic fixer 2, so that the air in the compensating cavity 10 can be replenished or discharged, and the overall length of the compensator is determined by the volume of the air in the compensating cavity 10.
[0035] Further, the side wall of the first flange 112 is provided with a first sealing ring 13, and the side wall of the second flange 122 is provided with a second sealing ring 14.
[0036] The first sealing ring 13 can seal the first flange 112 and the second compensator 12, and the second sealing ring 14 can seal the second flange 122 and the first compensator 11, so as to improve the overall sealing performance of the compensating cavity 10, reduce the air loss in the compensating cavity 10, and improve the stability of the compensator.
[0037] As a preferred embodiment, the elastic fixer 2 includes a connecting pipe 21 and a valve body 22 for opening or closing the connecting pipe 21, and the two ends of the connecting pipe 21 are located on the two sides of the second flange 122, and the valve body 22 is arranged on the connecting pipe 21.
[0038] The connecting pipe 21 is used to connect the compensating cavity 10 with the outside, and the valve body 22 can be used to connect or close the connecting pipe 21, so that the compensating cavity 10 becomes a closed space again.
[0039] Further, the diameter of the inner hole of the second flange 122 gradually decreases along the water flow direction.
[0040] The inner hole of the second flange 122 gradually decreases, so that when the heating pipe is in use, the water flow can gradually enter the inner hole of the second compensator 12 during the flow process, thereby reducing the impact of the water flow on the second compensator 12 and improving the stability of the compensator.
[0041] As a preferred embodiment, the side wall of the end of the second compensator 12 away from the first compensator 11 is provided with a locking piece 3, the locking piece 3 includes a connecting portion 31 and an extension portion 32, the locking piece 3 is screwed to the outside of the second compensator 12 through the connecting portion 31, and the extension portion 32 abuts against the end face of the first compensator 11 to axially limit the first compensator 11. The abutting portion is provided with an elastic layer 33 on the abutting surface of the first compensator 11.
[0042] The abutting of the locking piece 3 against the end face of the first compensator 11 can make the limiting of the first compensator 11 and the second compensator 12 more stable, and further improve the stability of the length of the compensator. By using the above technical solution, the elastic abutting between the abutting portion and the first compensator 11 is realized by using the elastic layer 33, so that the first compensator 11 and the second compensator 12 can change position to some extent while the locking piece 3 limits the length of the compensator, thereby enhancing the effect of the compensator.
[0043] As a preferred embodiment, the locking piece 3 further includes a locking rod 34 and a locking nut 35, and a plurality of groups of the locking rod 34 and the locking nut 35 are arranged in the circumferential direction of the first compensator 11. One end of the locking rod 34 is fixedly connected to the first flange 111, and the other end of the locking rod 34 penetrates the second flange 121 and is slidably connected to the second flange 121. The locking nut 35 is threadedly connected to the locking rod 34, and the locking nut 35 pushes the second compensator 12 away from the first compensator 11, thereby adjusting the length of the compensator.
[0044] By using the above technical solution, the locking nut 35 can push the first compensator 11 and the second compensator 12 away from each other, so that the air in the compensator cavity 10 can reach the preset air pressure during the installation of the compensator, and the sliding between the first compensator 11 and the second compensator 12 is more stable by using the locking rod.
[0045] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A heating pipe temperature compensator, characterized by: The compensation assembly (1) comprises a first compensator (11) and a second compensator (12) sleeved together, one end of the second compensator (12) is located inside the second compensator (12) and is slidingly sealed, and the elastic fixer (2) is arranged on the first compensator (11) and locks the positions of the first compensator (11) and the second compensator (12).
2. A heating pipe temperature compensator according to claim 1, characterised in that: A distance is arranged between the first compensator (11) and the second compensator (12), a sliding end of the first compensator (11) is provided with a first flange (112) extending to the second compensator (12), a sliding end of the second compensator (12) is provided with a second flange (122) extending to the first compensator (11), the first flange (112) and the second flange (122) form a closed compensation cavity (10), and the elastic fixer (2) is in communication with the inner holes of the compensation cavity (10) and the first flange (112) respectively to exchange air and be locked.
3. A heating pipe temperature compensator according to claim 2, wherein: A first sealing ring (13) is arranged on the side wall of the first flange (112), and a second sealing ring (14) is arranged on the side wall of the second flange (122).
4. A heating pipe temperature compensator according to claim 2, wherein: The elastic fixer (2) comprises a connecting pipe (21) and a valve body (22) for opening or closing the connecting pipe (21), both ends of the connecting pipe (21) are located on both sides of the second flange (122) respectively, and the valve body (22) is arranged on the connecting pipe (21).
5. A heating pipe temperature compensator according to claim 4, wherein: The diameter of the inner hole of the second flange (122) gradually decreases along the water flow direction.
6. A heating pipe temperature compensator according to claim 2, wherein: A locking piece (3) is arranged on the side wall of the end of the second compensator (12) away from the first compensator (11), the locking piece (3) comprises a connecting part (31) and an extension part (32), the locking piece (3) is screwed with the outer part of the second compensator (12) through the connecting part (31), and the extension part (32) abuts against the end face of the first compensator (11) to axially position the first compensator (11).
7. A heating pipe temperature compensator according to claim 6, wherein: An elastic layer (33) is arranged on the abutting face of the extension part (32) and the first compensator (11).
8. A heating pipe temperature compensator according to claim 1, wherein: A locking piece (3) is arranged on the side wall of the end of the second compensator (12) away from the first compensator (11), the locking piece (3) comprises a locking rod (34) and a locking nut (35), one end of the locking rod (34) is fixedly connected with the first compensator (11), and the locking nut (35) is screwed with the locking rod (34) and pushes the second compensator (12) away from the first compensator (11).