CN113236883B - Constant temperature type heat supply pipeline convenient to butt joint - Google Patents
Constant temperature type heat supply pipeline convenient to butt joint Download PDFInfo
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- CN113236883B CN113236883B CN202110471460.2A CN202110471460A CN113236883B CN 113236883 B CN113236883 B CN 113236883B CN 202110471460 A CN202110471460 A CN 202110471460A CN 113236883 B CN113236883 B CN 113236883B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a constant-temperature heat supply pipeline convenient to butt joint, which comprises an outer pipe body, a heat insulation layer and an inner pipe body, wherein the left end and the right end of the outer pipe body are respectively provided with a fixed joint end and a movable joint end, the side end of the movable joint end is integrally provided with a movable ring, joint positioning grooves are uniformly distributed on the inner wall of the movable ring, joint convex edges are uniformly distributed on the outer side surface of a joint convex edge, meshing tooth grooves are uniformly distributed on the side surface of the movable joint end, the middle part of a transmission gear is provided with a movable rotating shaft, the outer side of the movable rotating shaft is in key connection with a side control frame, and the front end and the rear end of the side control frame are respectively hinged with a movable connecting rod and a threaded connecting seat. This heat supply pipeline of constant temperature type butt joint of being convenient for, the coaxial drive adjustment of accessible pipeline side drive gear and side control frame carries out quick adjustment butt joint fastening, joins in marriage the cambered surface laminating of the inside laminating constant head tank of festival and laminating bead, makes things convenient for device's quick butt joint.
Description
Technical Field
The invention relates to the related technical field of heat supply pipelines, in particular to a constant-temperature heat supply pipeline convenient to butt joint.
Background
In the installation of laying of heat supply pipeline, pipeline itself all is that the segmentation is transported the back and is carried out the on-the-spot concatenation usually, need splice the pipeline of multistage and constitute complete pipeline, and the concatenation mode includes modes such as flange joint and welded fastening, and no matter what kind of concatenation mode all need splice between the pipeline after aligning, carry out further concatenation again fixedly.
Generally when splicing the pipeline, all can use corresponding concatenation appurtenance so that dock, be CN 211305399U's the general outer ware of keeping a mouthful of heat supply pipeline mechanical type like chinese patent publication, can carry out supplementary centre gripping alignment to the pipeline through the mechanical structure operation of gear removal strip, need certain supplementary centre gripping operation, take off again after the location concatenation, multistep operation is comparatively complicated relatively, and general pipeline itself is most for ordinary flat mouthful of structure, be not convenient for directly align, the block type structure of embedding that the part was equipped with is convenient for the concatenation, also can have certain clearance, be not convenient for further fastening adjustment, lay and bring certain inconvenience for the concatenation of heat supply pipeline.
Aiming at the problems, the heat supply pipeline is innovatively designed on the basis of the original constant-temperature heat supply pipeline.
Disclosure of Invention
The invention aims to provide a constant-temperature heat supply pipeline convenient to butt joint, and aims to solve the problems that splicing, laying, aligning and splicing of the heat supply pipeline are inconvenient, splicing gaps are inconvenient to further adjust and fasten, and multi-step operation of auxiliary tools is complicated in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a constant-temperature heat supply pipeline convenient for butt joint comprises an outer pipe body, a heat insulation layer and an inner pipe body, wherein the heat insulation layer and the inner pipe body are sequentially arranged inwards in the outer pipe body, a joint convex edge and a joint groove body are respectively arranged at the left end and the right end of the inner pipe body, a fixed joint end and a movable joint end are respectively arranged at the left end and the right end of the outer pipe body, a movable ring is integrally arranged at the side end of the movable joint end, joint positioning grooves are uniformly distributed on the inner wall of the movable ring, arc joint surfaces are arranged on the inner sides of the joint positioning grooves, joint convex edges are uniformly distributed on the outer side surfaces of the joint convex edges, outer arc joint surfaces are arranged on the outer sides of the joint convex edges, joint folding edges are arranged at the side end of the inner pipe body, inner sealing gaskets and outer sealing gaskets are respectively arranged on the joint folding edges and the side ends of the outer pipe body, tooth grooves are uniformly distributed on the side surfaces of the movable joint ends and meshed with each other tooth grooves, and the side of meshing tooth's socket meshes and is connected with drive gear, drive gear's middle part is provided with the activity pivot, and the side surface evenly distributed of activity pivot has the connecting key, the outside key-type of activity pivot is connected with the side control frame, and both ends articulate respectively around the side control frame has movable connecting rod and threaded connection seat to the side integration of movable connecting rod is provided with the laminating fastener, threaded connection seat's middle part is connected with connecting screw.
Preferably, the diameter of the attaching convex edge corresponds to the inner diameter of the attaching groove body, and the inner sides of the adjacent outer pipe bodies are attached to the attaching groove body through the attaching convex edge.
Preferably, the movable joint end and the movable ring are integrally arranged on the outer side of the right end of the outer tube body to form a rotating structure, and the rotating shaft of the movable ring and the central axis of the outer tube body are overlapped.
Preferably, constitute a class ratchet structure between laminating constant head tank and the laminating bead, and laminate each other through laminating constant head tank and laminating bead between protruding edge of laminating and the laminating cell body to laminate each other through arc binding face and outer arc binding face between adjacent laminating constant head tank and the laminating bead, the radian of arc binding face is greater than the radian of outer arc binding face simultaneously.
Preferably, the transmission gear and the movable joint end integrally form a meshing transmission structure through a meshing tooth socket, and the transmission gear and the side control frame form a coaxial rotating structure outside the movable rotating shaft.
Preferably, the movable rotating shaft is positioned at the outer side of the right end of the outer tube body, and the central axis of the movable rotating shaft and the central axis of the outer tube body are overlapped.
Preferably, the side control frame and the movable rotating shaft are mutually attached through a connecting key, and the side control frame forms a rotating structure through the movable rotating shaft outside the right end of the outer tube body.
Preferably, the threaded connection seat comprises a connection movable block, a connection screw hole and a side movable shaft, and the outer end of the side control frame and the left end of the outer pipe body are both provided with the threaded connection seat.
Preferably, the connecting movable block forms a rotating structure at the outer sides of the side control frame and the outer pipe body through a side movable shaft, and the central axis of the side movable shaft is perpendicular to the central axis of the connecting screw rod.
Preferably, the central axis of the connecting screw hole coincides with the central axis of the connecting movable block, the connecting movable block and the connecting screw rod are connected through the connecting screw hole to form threaded connection, and the thread directions of the left end and the right end of the connecting screw rod are opposite.
Compared with the prior art, the invention has the beneficial effects that: the constant temperature type heat supply pipeline is convenient for butt joint,
1. the rapid preliminary alignment splicing can be carried out through the matching of the attaching convex edge and the concave-convex structure of the attaching groove body, meanwhile, the attaching groove and the arc edge structure of the attaching convex edge are attached in the attaching groove body, the adjustable side edge attaching is carried out through the ratchet wheel structure formed by different radians of the arc attaching surface and the outer arc attaching surface, so that after preliminary attaching, the arc attaching surface and the outer arc attaching surface can be further attached and fastened through the rotation of the movable attaching end and the movable ring, and meanwhile, the axis coincidence splicing of the splicing pipeline is ensured;
2. the device is provided with a transmission gear and a side control frame structure which can be synchronously driven, adjusted and fastened, and in the using process of the device, through the coaxial rotation of the transmission gear and the side control frame, the transmission gear can be meshed to drive the movable attaching end to deflect and fasten, and meanwhile, the side control frame is synchronously driven to deflect and adjust, and the movable rotating shaft is taken as a fulcrum, and the side control frame is taken as a lever to drive the attaching fastener to hook the fixed attaching end and the movable attaching end for further attaching and fastening;
3. be provided with the threaded connection seat that cooperation connecting screw carried out nimble thread adjustment, but the rotatable structure of threaded connection seat outside loose axle, when both sides threaded connection seat cooperation connecting screw thread drive of can being convenient for, the slope of cooperation connecting screw deflects and carries out certain adaptability adjustment to be convenient for adapt to the side control frame and carry out the adjustment of synchronous activity, make things convenient for connecting screw's nimble drive adjustment, effectively improve the use flexibility of device, synchronous operation is more convenient.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a side cross-sectional structural view of the present invention;
FIG. 3 is a schematic view of the threaded connection socket of the present invention;
FIG. 4 is a schematic view of a movable connecting rod according to the present invention;
FIG. 5 is a schematic view of the structure of the attaching flange and the attaching groove of the present invention;
FIG. 6 is a schematic view of the structure of the attachment positioning groove and the attachment rib of the present invention;
fig. 7 is an enlarged view of a portion a in fig. 6 according to the present invention.
In the figure: 1. an outer tubular body; 2. a thermal insulation layer; 3. an inner tube body; 4. fitting the convex edge; 5. fitting the groove body; 6. fixing the attaching end; 7. a movable fit end; 8. a movable ring; 9. attaching a positioning groove; 10. an arc-shaped binding surface; 11. fitting the convex ribs; 12. an outer arc attaching surface; 13. fitting and folding edges; 14. an inner sealing washer; 15. an outer seal gasket; 16. engaging the tooth grooves; 17. a transmission gear; 18. a movable rotating shaft; 19. a connecting bond; 20. a side control frame; 21. a movable connecting rod; 22. a threaded connection base; 221. connecting the movable block; 222. a connecting screw hole; 223. a side movable shaft; 23. fitting a fastener; 24. and connecting the screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a constant-temperature heat supply pipeline convenient for butt joint comprises an outer pipe body 1, a heat insulation layer 2, an inner pipe body 3, a joint convex edge 4, a joint groove body 5, a fixed joint end 6, a movable joint end 7, a movable ring 8, a joint positioning groove 9, an arc joint surface 10, a joint convex edge 11, an outer arc joint surface 12, a joint folding edge 13, an inner sealing washer 14, an outer sealing washer 15, a meshing tooth socket 16, a transmission gear 17, a movable rotating shaft 18, a connecting key 19, a side control frame 20, a movable connecting rod 21, a thread connecting seat 22, a connecting movable block 221, a connecting screw hole 222, a side movable shaft 223, a joint fastener 23 and a connecting screw 24, wherein the heat insulation layer 2 and the inner pipe body 3 are sequentially arranged inwards in the outer pipe body 1, the joint convex edge 4 and the joint groove body 5 are respectively arranged at the left end and the right end of the inner pipe body 3, the fixed joint end 6 and the movable joint end 7 are respectively arranged at the left end and right end of the outer pipe body 1, the movable joint end 7 is integrally provided with a movable ring 8 at the side end, the inner wall of the movable ring 8 is uniformly distributed with joint positioning grooves 9, the inner side of the joint positioning groove 9 is provided with an arc joint surface 10, the outer side surface of the joint convex edge 4 is uniformly distributed with joint convex ribs 11, the outer side of the joint convex ribs 11 is provided with an outer arc joint surface 12, the side end of the inner pipe body 3 is provided with a joint folding edge 13, the joint folding edge 13 and the side end of the outer pipe body 1 are respectively provided with an inner sealing washer 14 and an outer sealing washer 15, the side surface of the movable joint end 7 is uniformly distributed with a meshing tooth socket 16, the side edge of the meshing tooth socket 16 is meshed and connected with a transmission gear 17, the middle part of the transmission gear 17 is provided with a movable rotating shaft 18, the side surface of the movable rotating shaft 18 is uniformly distributed with connecting keys 19, the outer side key of the movable rotating shaft 18 is connected with a side control frame 20, and the front end and the rear end of the side control frame 20 are respectively hinged with a movable connecting rod 21 and a threaded connecting seat 22, and the side end of the movable connecting rod 21 is integrally provided with a joint fastener 23, and the middle part of the threaded connecting seat 22 is connected with a connecting screw 24.
The diameter of the attaching convex edge 4 and the inner diameter of the attaching groove body 5 correspond to each other, and the inner sides of the adjacent outer pipe bodies 1 are attached to the attaching groove body 5 through the attaching convex edge 4, so that the attaching groove body 5 is attached to the adjacent pipelines through the attaching convex edge 4 to perform preliminary quick butt joint.
The movable joint end 7 and the movable ring 8 integrally form a rotating structure outside the right end of the outer tube body 1, and the rotating shaft of the movable ring 8 and the central axis of the outer tube body 1 are overlapped with each other, so that the movable joint end 7 and the movable ring 8 are convenient to adjust in an integral movable manner, and the main function is to drive the inner joint positioning groove 9 to adjust in a movable manner.
Constitute a class ratchet structure between laminating constant head tank 9 and the laminating bead 11, and laminate each other through laminating constant head tank 9 and laminating bead 11 between protruding edge 4 of laminating and the laminating cell body 5, and laminate each other through arc binding face 10 and outer arc binding face 12 between adjacent laminating constant head tank 9 and the laminating bead 11, arc binding face 10's radian is greater than outer arc binding face 12's radian simultaneously, make laminating protruding edge 4 and laminating cell body 5 after tentatively laminating, accessible laminating constant head tank 9 and laminating bead 11's cambered surface rotary contact, carry out further laminating fastening, the axle center when effectively keeping the butt joint of both sides pipeline aligns.
The transmission gear 17 and the movable joint end 7 integrally form a meshing transmission structure through the meshing tooth grooves 16, and the transmission gear 17 and the side control frame 20 form a coaxial rotating structure outside the movable rotating shaft 18, so that the transmission gear 17 and the side control frame 20 can be synchronously driven, and the synchronous control pipelines can be conveniently and rapidly aligned, jointed and fastened.
The movable rotating shaft 18 is located at the outer side of the right end of the outer tube body 1, and the central axis of the movable rotating shaft 18 and the central axis of the outer tube body 1 are overlapped with each other, so that the transmission gear 17 and the side control frame 20 can flexibly rotate at the port of the outer tube body 1.
The side control frame 20 and the movable rotating shaft 18 are mutually attached through a connecting key 19, the side control frame 20 forms a rotating structure at the outer side of the right end of the outer pipe body 1 through the movable rotating shaft 18, the movable rotating shaft 18 serves as a fulcrum through the rotation of the side control frame 20, so that a lever is formed to drive the movable connecting rod 21 and the attaching fastener 23 to attach to the fixed attaching end 6 of the other side, and the fixed attaching end 6 and the movable attaching end 7 of the adjacent pipeline are connected and fastened.
The threaded connection seat 22 comprises a connection movable block 221, a connection screw hole 222 and a side movable shaft 223, the outer end of the side control frame 20 and the left end of the outer pipe body 1 are both provided with the threaded connection seat 22, and the threaded connection seats 22 at the adjacent ends of the pipelines can be further connected and fastened through a connection screw 24.
The connecting movable block 221 forms a rotating structure at the outer sides of the side control frame 20 and the outer tube body 1 through the side movable shaft 223, the central axis of the side movable shaft 223 is perpendicular to the central axis of the connecting screw 24, and the movable structure formed by the side movable shaft 223 can facilitate the deflection of the threaded connecting seat 22, so that the side movable structure of the side control frame 20 is flexibly adapted.
The central axis of the connecting screw hole 222 and the central axis of the connecting movable block 221 are coincident with each other, and the connecting movable block 221 and the connecting screw 24 form a threaded connection through the connecting screw hole 222, and the directions of the threads at the left end and the right end of the connecting screw 24 are opposite, so that the two sections of thread structures of the connecting screw 24 can facilitate the simultaneous thread driving of the thread connecting seats 22 at both sides.
The working principle is as follows: when the constant-temperature heat supply pipeline convenient for butt joint is used, as shown in fig. 1-7, firstly, the pipelines to be butt-jointed and installed are correspondingly fitted and inserted into the joint groove body 5 end and the joint groove body 4 end through the corresponding joint convex edge, the joint convex edge 4 of the left end inner pipe body 3 and the heat insulation layer 2 is inserted into the joint groove body 5 of the adjacent pipe body movable ring 8, the joint folded edge 13 of the side end of the inner pipe body 3 is preliminarily fitted to the inner sealing washer 14, and the fixed joint end 6 and the movable joint end 7 of the outer side are preliminarily fitted to the outer sealing washer 15.
According to the drawings of 1-2 and 5-7, after the attaching convex edge 4 and the attaching groove body 5 are preliminarily attached, the side control frame 20 is shifted to be matched with the connecting screw rod 24 for rapid further butt joint fastening, when the side control frame 20 rotates at the movable rotating shaft 18, the transmission gear 17 can synchronously rotate, the movable attaching end 7 and the movable ring 8 are driven to integrally perform certain deflection adjustment at the side end of the outer pipe body 1 through the meshing drive of the transmission gear 17 and the meshing tooth socket 16, so as to drive the attaching positioning groove 9 at the inner side of the movable ring 8 to perform further deflection attaching adjustment relative to the attaching convex rib 11, because the attaching convex edge 4 is attached to one side of the large radian gap of the attaching positioning groove 9 during preliminary attachment so as to be conveniently inserted and abutted, a certain loosening gap exists, when the attaching positioning groove 9 is further deflected relative to the attaching convex rib 11, the arc-shaped jointing surface 10 and the outer arc-shaped jointing surface 12 in the figure 7 can be tightly jointed, and the coaxial accurate butt joint between the jointing convex edge 4 and the jointing groove body 5 is ensured.
In the process of splicing and fastening the device, as shown in fig. 1-4, the movable connecting rod 21 at the side end of the side control frame 20 can keep the attaching fastener 23 hooking the other side of the fixed attaching end 6 of the adjacent pipeline, so that the whole side control frame 20 rotates with the movable rotating shaft 18 as a fulcrum, the lever drives the attaching fastener 23 hooking the fixed attaching end 6 to further attach to the adjacent pipeline, meanwhile, the activity of the side control frame 20 can be stably adjusted and controlled by the connection of the connecting screw rod 24, the reverse threads at the two ends of the connecting screw rod 24 are respectively connected with the end of the side control frame 20 and the threaded connecting seat 22 at the left end of the outer pipe body 1, the connecting screw rod 24 is rotated to drive the threaded connecting seats 22 at the two sides to synchronously and relatively displace and attach to the connecting screw rod 24 while keeping the coaxial and static attaching of the adjacent pipelines, the connecting movable block 221 of the threaded connecting seat 22 can rotate around the side movable shaft 223 to a certain extent, the whole deflection activity of the side control frame 20 is matched, finally, the connecting screw 24 is simultaneously connected with the pipelines at two ends to keep the joint, and the joint fastener 23 at the other side of the side control frame 20 synchronously keeps the tensioning joint of the fixed joint end 6 and the movable joint end 7 to complete the connection of the adjacent pipelines, which is the working principle of the constant-temperature heat supply pipeline convenient for butt joint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a heat supply pipeline of constant temperature type butt joint of being convenient for, includes outer body (1), insulating layer (2) and interior body (3), its characterized in that: the heat-insulating pipe is characterized in that a heat-insulating layer (2) and an inner pipe body (3) are sequentially arranged inwards in the outer pipe body (1), the left end and the right end of the inner pipe body (3) are respectively provided with a laminating convex edge (4) and a laminating groove body (5), the left end and the right end of the outer pipe body (1) are respectively provided with a fixed laminating end (6) and a movable laminating end (7), the side end of the movable laminating end (7) is integrally provided with a movable ring (8), the inner wall of the movable ring (8) is uniformly distributed with laminating positioning grooves (9), the inner side of each laminating positioning groove (9) is provided with an arc-shaped laminating surface (10), the outer surface of each laminating convex edge (4) is uniformly distributed with laminating convex edges (11), the outer side of each laminating convex edge (11) is provided with an outer arc-shaped laminating surface (12), the side end of the outer pipe body (3) is provided with a laminating folding edge (13), and the laminating folding edge (13) and the side end of the outer pipe body (1) is respectively provided with an inner sealing washer (14) and an outer sealing washer (15), meshing tooth sockets (16) are uniformly distributed on the side surface of the movable joint end (7), the side edges of the meshing tooth sockets (16) are meshed and connected with transmission gears (17), a movable rotating shaft (18) is arranged in the middle of each transmission gear (17), connecting keys (19) are uniformly distributed on the side surface of each movable rotating shaft (18), a side control frame (20) is connected to the outer side key of each movable rotating shaft (18), a movable connecting rod (21) and a threaded connecting seat (22) are hinged to the front end and the rear end of each side control frame (20) respectively, joint fasteners (23) are integrally arranged at the side ends of the movable connecting rods (21), and connecting screws (24) are connected to the middle parts of the threaded connecting seats (22); a ratchet-like structure is formed between the attaching positioning groove (9) and the attaching convex edge (11), the attaching convex edge (4) and the attaching groove body (5) are attached to each other through the attaching positioning groove (9) and the attaching convex edge (11), the adjacent attaching positioning groove (9) and the attaching convex edge (11) are attached to each other through an arc attaching surface (10) and an outer arc attaching surface (12), and the radian of the arc attaching surface (10) is larger than that of the outer arc attaching surface (12); the threaded connecting seat (22) comprises a connecting movable block (221), a connecting screw hole (222) and a side movable shaft (223), and the threaded connecting seat (22) is arranged at the outer end of the side control frame (20) and the left end of the outer pipe body (1); the connecting movable block (221) forms a rotating structure at the outer sides of the side control frame (20) and the outer pipe body (1) through a side movable shaft (223), and the central axis of the side movable shaft (223) is perpendicular to the central axis of the connecting screw rod (24); the central axis of the connecting screw hole (222) and the central axis of the connecting movable block (221) are superposed with each other, the connecting movable block (221) and the connecting screw rod (24) are in threaded connection through the connecting screw hole (222), and the thread directions of the left end and the right end of the connecting screw rod (24) are opposite.
2. The constant-temperature type heat supply pipeline convenient to butt joint as claimed in claim 1, wherein: the diameter of the attaching convex edge (4) corresponds to the inner diameter of the attaching groove body (5), and the inner sides of the adjacent outer pipe bodies (1) are attached to the attaching groove body (5) through the attaching convex edge (4).
3. The constant-temperature type heat supply pipeline convenient to butt joint as claimed in claim 1, wherein: the movable joint end (7) and the movable ring (8) are integrally arranged on the outer side of the right end of the outer pipe body (1) to form a rotating structure, and a rotating shaft of the movable ring (8) and the central axis of the outer pipe body (1) are overlapped.
4. The constant-temperature type heat supply pipeline convenient to butt joint as claimed in claim 1, wherein: the transmission gear (17) and the movable joint end (7) integrally form a meshing transmission structure through a meshing tooth groove (16), and the transmission gear (17) and the side control frame (20) form a coaxial rotating structure outside the movable rotating shaft (18).
5. The constant-temperature heat supply pipeline convenient to dock of claim 1, wherein: the movable rotating shaft (18) is positioned on the outer side of the right end of the outer pipe body (1), and the central axis of the movable rotating shaft (18) and the central axis of the outer pipe body (1) are overlapped.
6. The constant-temperature type heat supply pipeline convenient to butt joint as claimed in claim 1, wherein: the side control frame (20) and the movable rotating shaft (18) are mutually attached through a connecting key (19), and the side control frame (20) forms a rotating structure at the outer side of the right end of the outer pipe body (1) through the movable rotating shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110471460.2A CN113236883B (en) | 2021-04-29 | 2021-04-29 | Constant temperature type heat supply pipeline convenient to butt joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110471460.2A CN113236883B (en) | 2021-04-29 | 2021-04-29 | Constant temperature type heat supply pipeline convenient to butt joint |
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| CN113236883B true CN113236883B (en) | 2022-09-16 |
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