Composite thermal insulation pipeline

Abstract

The utility model relates to the technical field of pipeline heat preservation, and discloses a composite heat preservation pipeline which comprises a connecting mechanism, a heat preservation shell and an inner pipeline, the connecting mechanism comprises a connecting piece, and embedded grooves are formed in the outer sides of the front end face and the rear end face of the connecting piece. Annular limiting blocks are fixedly arranged at the positions, close to the front end and the rear end, of the outer surface of the connecting piece, rotating cylinders are movably arranged at the positions, close to the front end and the rear end, of the outer surface of the connecting piece in a sleeving mode, embedded blocks are fixedly arranged at the positions, close to the front end and the rear end, of the outer surface of the inner pipeline, and fixing blocks are fixedly arranged at the positions, close to the front end and the rear end, of the two sides of the upper protective shell. Fixing mechanisms are fixedly arranged on the two sides, close to the front end and the rear end, of the lower protection shell correspondingly. According to the utility model, the embedded blocks fixedly arranged at the front end and the rear end of the inner pipeline are embedded with the connecting mechanisms, so that the connection between the pipelines is more convenient, and meanwhile, the heat preservation shell arranged in a clamping manner can play a role in heat preservation of the inner pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline thermal insulation, in particular to a composite thermal insulation pipeline. Background Art

[0002] Composite insulated pipe is a complex pipe system, usually composed of inner pipe, insulation layer and outer pipe. The inner pipe is used to transport fluid, the insulation layer is used to reduce heat loss, and the outer pipe is used to protect the entire system. Aluminum alloy lined plastic composite pipe is a new type of practical pipe developed on the basis of traditional plastic pipes, which combines the physical and chemical advantages of metal and plastic materials.

[0003] At present, most of the existing insulated pipes reduce heat loss by wrapping a variety of insulation materials on the outer surface of the inner liner pipe. The pipe lengths required in different scenarios are different. Since the aluminum alloy lined plastic composite pipes cannot be welded to each other, multiple pipes cannot be connected more conveniently. Since the conventional insulation structure wraps the conduit in an integrated manner, the insulation structure cannot be quickly disassembled and installed. Therefore, the utility model provides a composite insulated pipe to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a composite insulated pipe. The inner pipes can be further connected by means of a connecting mechanism, making it more convenient to connect the pipes. At the same time, the insulating outer shell arranged on the outer surface of the inner pipe can be disassembled when maintenance and overhaul are needed, making overhaul and maintenance more convenient.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A composite heat-insulated pipe comprises a connection mechanism, a heat-insulating outer shell and an inner pipe, wherein the connection mechanism comprises a connection piece, wherein the front end face and the rear end face of the connection piece are provided with an embedding groove on the outer side, the outer surface of the connection piece is provided with an annular limit block on the front end and the rear end, the outer surface of the connection piece is provided with a rotating cylinder on the front end and the rear end, the outer surface of the inner pipe is provided with an embedding block on the front end and the rear end, and the front end faces of the two embedding blocks are provided with an annular threaded block on the outer side;

[0007] The heat-insulating shell comprises an upper protective shell, an upper heat-insulating shell is fixedly arranged on the inner top surface of the upper protective shell, a lower heat-insulating shell is clamped on the lower end surface of the upper protective shell, a lower protective shell is fixedly arranged on the lower end surface of the lower heat-insulating shell, fixing blocks are fixedly arranged on both sides of the upper protective shell near the front end and the rear end, fixing mechanisms are fixedly arranged on both sides of the lower protective shell near the front end and the rear end, and the four fixing mechanisms each comprise a gear, a fixed shell, a clamping block, a rack and a rotating shaft, the clamping block is embedded in the fixed shell near the upper end, the rack is fixedly arranged on the inner bottom surface of the clamping block, one end of the rotating shaft is rotatably arranged on the inner wall of the rear side of the fixed shell near the upper end, and the gear is fixedly arranged on the outer surface of the rotating shaft near the rear end;

[0008] Through the above technical scheme, by providing embedding grooves on the front and rear ends of the connecting piece, the embedding blocks fixed at the front and rear ends of the inner pipe can be engaged and connected. According to the use requirements, multiple inner pipes can be connected through multiple connecting pieces. At the same time, the movably sleeved rotating cylinder can be engaged with the embedding block and the embedding groove for threaded sleeve fixation. By clamping the thermal insulation shell on the outer surface of the inner pipe, the temperature loss in the inner pipe can be effectively reduced. At the same time, the protective shell can also play a certain protective role. By fixing the fixing mechanism at the front and rear ends on both sides of the lower protective shell, the thermal insulation shell can be better fixed to the outer surface of the inner pipe. By rotating the rotating shaft in the fixing mechanism, the gear can drive the clamping block to fix or separate the clamping block. At the same time, it can also make it more convenient for users to perform maintenance.

[0009] Furthermore, a clamping block is fixedly arranged on one side of the lower end surface of the fixing block, and the clamping block is embedded in one side of the upper end surface of the fixing shell;

[0010] Through the above technical solution, the upper protective shell and the lower protective shell can be fixed by engaging the fixedly arranged clamping block with the fixing mechanism.

[0011] Furthermore, the embedding block is embedded in the embedding groove, and the annular threaded block is threadedly sleeved with the rotating cylinder;

[0012] Through the above technical solution, by embedding the embedding block in the embedding groove, the annular threaded block can be threadedly sleeved by rotating the rotating drum, which can make the connection between the connecting mechanism and the inner pipe more convenient.

[0013] Furthermore, an annular sealing gasket is embedded in the front and rear surfaces of the connector, and the annular sealing gasket includes an annular fixing plate, a plurality of springs are fixedly provided on the upper end surface of the annular fixing plate, and an annular rubber pad is fixedly provided on the upper end surfaces of the plurality of springs;

[0014] Through the above technical solution, the embedded annular sealing gasket can further improve the sealing effect when the connecting piece and the inner pipe are connected.

[0015] Furthermore, the four fixing blocks are embedded in four fixing mechanisms, and the clamping block is clamped and connected with the clamping block;

[0016] Through the above technical solution, the four fixing blocks are clamped together through the clamping block and the clamping block in the fixing mechanism, so that the heat-insulating shell can be fixed, set or disassembled more conveniently.

[0017] Furthermore, the heat-insulating outer shell is clamped on the outer surface of the inner pipe, the gear and the rack are meshed and connected, and a hand wheel is fixedly arranged on one end of the rotating shaft located outside the fixed outer shell;

[0018] Through the above technical solution, the inner pipe can be effectively insulated by clamping the insulation shell on the outer surface of the inner pipe. At the same time, the fixed handwheel can drive the clamping block to move through the gear and rack.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model proposes a composite heat-insulating pipe, which can be connected with the connecting mechanism by fixing embedded blocks at the front and rear ends of the inner pipe, so that the connection between the pipes is more convenient. At the same time, the annular threaded block fixedly arranged on the front end surface of the embedded block can be threadedly sleeved with the rotating cylinder in the connecting mechanism, so that the connection between the inner pipe and the connecting mechanism is tighter, and the tightness after connection can also be improved.

[0021] 2. The utility model proposes a composite insulated pipe, which can insulate the fluid in the inner pipe by clamping the insulation outer shell on the outer surface of the inner pipe. At the same time, the upper protective shell and the lower protective shell clamped on the outer surfaces of the upper insulation shell and the lower insulation shell can provide a certain protection effect on the inner pipe. At the same time, the fixing blocks and fixing mechanisms fixed at the front and rear ends of both sides of the insulation outer shell can more conveniently disassemble and install the insulation outer shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an axonometric schematic diagram of the utility model;

[0023] Figure 2 It is an axonometric schematic diagram of the thermal insulation shell of the utility model;

[0024] Figure 3 This is an axonometric diagram of the connecting pipeline of the utility model;

[0025] Figure 4 It is a schematic diagram of the separation side section of the utility model;

[0026] Figure 5 It is a front view schematic diagram of the annular sealing gasket of the utility model;

[0027] Figure 6 It is a cross-sectional schematic diagram of the fixing mechanism of the utility model.

[0028] Legend:

[0029] 1. Connecting mechanism; 101. Annular limit block; 102. Rotating drum; 103. Connecting piece; 104. Embedding groove; 2. Insulating shell; 201. Upper protective shell; 202. Lower protective shell; 203. Upper insulating shell; 204. Lower insulating shell; 3. Fixing block; 4. Fixing mechanism; 401. Gear; 402. Fixed shell; 403. Block; 404. Rack; 405. Rotating shaft; 5. Inner pipe; 6. Embedding block; 7. Annular threaded block; 8. Annular sealing gasket; 801. Annular fixing plate; 802. Spring; 803. Annular rubber pad; 9. Hand wheel; 10. Clamping block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] Reference Figure 1-6 , an embodiment provided by the utility model:

[0033] A composite heat-insulating pipeline comprises a connecting mechanism 1, a heat-insulating outer shell 2 and an inner pipeline 5, wherein the connecting mechanism 1 comprises a connecting piece 103, wherein the front end surface and the rear end surface of the connecting piece 103 are provided with embedding grooves 104 on the outer side, wherein the embedded grooves 104 can be embedded and fixed with the embedded blocks 6 fixedly arranged at the front and rear ends of the inner pipeline 5, wherein the outer surface of the connecting piece 103 is provided with annular limiting blocks 101 on the front end and the rear end, wherein the fixedly arranged annular limiting blocks 101 can prevent the rotating drum 102 from falling off, wherein the outer surface of the connecting piece 103 is provided with a rotating drum 102 movably sleeved on the front end and the rear end, wherein the rotating drum 102 can be threadedly sleeved with the annular threaded blocks 7 fixedly arranged in the embedded blocks 6, wherein the outer surface of the inner pipeline 5 is provided with embedded blocks 6 on the front end and the rear end, wherein the embedded blocks 6 can be embedded and fixed with the connecting piece 103, wherein the front end surfaces of the two embedded blocks 6 are provided with annular threaded blocks 7 on the outer side, wherein the rotating drum 102 can be threadedly sleeved with the rotating drum 102, thereby making the connection between the connecting piece 103 and the inner pipeline 5 more stable;

[0034] The heat-insulating outer shell 2 includes an upper protective shell 201, an upper heat-insulating shell 203 is fixedly arranged on the inner top surface of the upper protective shell 201, and a lower heat-insulating shell 204 is clamped on the lower end surface of the upper protective shell 201. The clamped upper heat-insulating shell 203 and the lower heat-insulating shell 204 can have a heat-insulating effect on the inner pipe 5, and a lower protective shell 202 is fixedly arranged on the lower end surface of the lower heat-insulating shell 204. The clamped upper protective shell 201 and the lower protective shell 202 can have a certain protective effect on the heat-insulating shell and the inner pipe 5. The upper protective shell 201 is fixedly provided with a fixing block 3 on both sides near the front end and the rear end, which can be clamped with the fixing mechanism 4, and the lower protective shell 203 and the lower heat-insulating shell 204 can have a heat-insulating effect on the inner pipe 5. The housing 202 is fixedly provided with fixing mechanisms 4 at the front end and the rear end on both sides. The four fixing mechanisms 4 include a gear 401, a fixed housing 402, a block 403, a rack 404 and a rotating shaft 405. The block 403 is embedded in the fixed housing 402 at the upper end. The rack 404 is fixed on the inner bottom surface of the block 403. The rack 404 is fixed in the block 403 so that the block 403 can be moved and adjusted when the gear 401 rotates. One end of the rotating shaft 405 is rotatably provided on the inner wall of the rear side of the fixed housing 402 at the upper end. The gear 401 is fixed on the outer surface of the rotating shaft 405 at the rear end.

[0035] By providing embedding grooves 104 on the front and rear faces of the connecting piece 103, the embedding blocks 6 fixedly arranged at the front and rear ends of the inner pipe 5 can be embedded and connected. According to usage requirements, multiple inner pipes 5 can be connected through multiple connecting pieces 103. At the same time, the movably sleeved rotating drum 102 can be embedded in the embedding block 6 and the embedding groove 104 for threaded sleeve connection and fixation. By clamping the heat-insulating outer shell 2 on the outer surface of the inner pipe 5, the temperature loss in the inner pipe 5 can be effectively reduced. At the same time, the protective shell can also play a certain protective role.

[0036] By fixing the fixing mechanism 4 at the front and rear ends on both sides of the lower protective shell 202, the heat-insulating outer shell 2 can be better fixed to the outer surface of the inner pipe 5. By rotating the rotating shaft 405 in the fixing mechanism 4, the gear 401 can drive the clamping block 403 to fix or separate the clamping block 10. At the same time, it can also make it more convenient for the user to perform maintenance. A clamping block 10 is fixedly provided on one side of the lower end surface of the fixing block 3. The clamping block 10 is embedded in one side of the upper end surface of the fixed shell 402. By engaging the fixed clamping block 10 with the fixing mechanism 4, the upper protective shell 201 and the lower protective shell 202 can be fixed. The embedded block 6 is embedded in the embedded groove 104, and the annular threaded block 7 is threadedly sleeved with the rotating drum 102. By embedding the embedded block 6 in the embedded groove 104, the annular threaded block 7 can be threadedly sleeved by rotating the rotating drum 102, which can make the connection between the connecting mechanism 1 and the inner pipe 5 more convenient.

[0037] The front end face and the rear end face of the connector 103 are both embedded with an annular sealing gasket 8, the annular sealing gasket 8 includes an annular fixing plate 801, a plurality of springs 802 are fixedly arranged on the upper end face of the annular fixing plate 801, and an annular rubber pad 803 is fixedly arranged on the upper end face of the plurality of springs 802. The embedded annular sealing gasket 8 can further improve the sealing effect when the connector 103 and the inner pipe 5 are connected. The four fixing blocks 3 are embedded in the four fixing mechanisms 4, and the clamping block 403 is clamped and connected with the clamping block 10. The four fixing blocks 3 are connected by the clamping block 1 0 and the clamping block 403 in the fixing mechanism 4 can be clamped together, so that the heat-insulating shell 2 can be fixed or disassembled more conveniently. The heat-insulating shell 2 is clamped and set on the outer surface of the inner pipe 5, the gear 401 and the rack 404 are meshed and connected, and the end of the rotating shaft 405 located on the outside of the fixed shell 402 is fixedly provided with a handwheel 9. By clamping the heat-insulating shell 2 on the outer surface of the inner pipe 5, the inner pipe 5 can be effectively insulated. At the same time, the fixed handwheel 9 can drive the clamping block 403 to move through the gear 401 and the rack 404.

[0038] During use, the user can, according to usage requirements, first embed the embedded block 6 fixed at the front and rear ends of the inner pipe 5 into the front end face or the rear end face of the connecting piece 103, and then rotate the rotating drum 102 and the annular threaded block 7 embedded in the embedded block 6 for threaded connection. At the same time, the annular sealing blocks embedded at the front and rear ends of the connecting piece 103 can improve the sealing after connection under the action of multiple springs 802. Thirdly, the user can clamp the upper insulation shell 203 and the lower insulation shell 204 in the upper protective shell 201 and the lower protective shell 202, and clamp the clamped upper protective shell 201 and the lower protective shell 202 to the outer surface of the inner pipe 5. Finally, the clamping block 10 on the lower end face of the fixed block 3 and the fixing mechanism 4 are engaged. Rotating the hand wheel 9 can drive the gear 401 to clamp and fix the clamping block 10 to the clamping block 403 fixed with the rack 404.

[0039] Working principle: When in use, the user can embed the inner pipe 5 into the front end face or the rear end face of the connecting piece 103 according to the use requirements, and rotate the rotating drum 102 and the annular threaded block 7 for threaded connection. At the same time, the user can clamp the upper insulation shell 203 and the lower insulation shell 204 in the upper protective shell 201 and the lower protective shell 202, and clamp the upper protective shell 201 and the lower protective shell 202 after clamping on the outer surface of the inner pipe 5. Finally, the clamping block 10 and the fixing mechanism 4 on the lower end face of the fixing block 3 are engaged. Rotating the hand wheel 9 can drive the gear 401 to clamp and fix the clamping block 403 to the clamping block 10. When maintenance is required, rotating the hand wheel 9 can separate the clamping block 403 and the clamping block 10, so that the insulation shell 2 can be disassembled for maintenance.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite heat-insulating pipe, comprising a connecting mechanism (1), a heat-insulating outer shell (2) and an inner pipe (5), characterized in that: The connecting mechanism (1) comprises a connecting piece (103), the front end face and the rear end face of the connecting piece (103) are provided with embedding grooves (104) on the outer side, the outer surface of the connecting piece (103) is fixedly provided with annular limit blocks (101) on the front end and the rear end, the outer surface of the connecting piece (103) is movably sleeved with a rotating cylinder (102) on the front end and the rear end, the outer surface of the inner pipe (5) is fixedly provided with embedding blocks (6) on the front end and the rear end, and the front end faces of the two embedding blocks (6) are fixedly provided with annular threaded blocks (7) on the outer side; The heat-insulating outer shell (2) comprises an upper protective shell (201), an upper heat-insulating shell (203) is fixedly arranged on the inner top surface of the upper protective shell (201), a lower heat-insulating shell (204) is clamped on the lower end surface of the upper protective shell (201), a lower protective shell (202) is fixedly arranged on the lower end surface of the lower heat-insulating shell (204), fixing blocks (3) are fixedly arranged on both sides of the upper protective shell (201) near the front end and near the rear end, and fixing mechanisms (4) are fixedly arranged on both sides of the lower protective shell (202) near the front end and near the rear end. ), the four fixing mechanisms (4) each comprise a gear (401), a fixed housing (402), a block (403), a rack (404) and a rotating shaft (405), the block (403) being embedded in the fixed housing (402) near the upper end, the rack (404) being fixedly arranged on the inner bottom surface of the block (403), one end of the rotating shaft (405) being rotatably arranged on the inner wall of the rear side of the fixed housing (402) near the upper end, and the gear (401) being fixedly arranged on the outer surface of the rotating shaft (405) near the rear end.

2. The composite thermal insulation pipe according to claim 1, characterized in that: A clamping block (10) is fixedly arranged on one side of the lower end surface of the fixing block (3), and the clamping block (10) is embedded in one side of the upper end surface of the fixing shell (402).

3. The composite thermal insulation pipe according to claim 1, characterized in that: The embedding block (6) is embedded in the embedding groove (104), and the annular threaded block (7) and the rotating cylinder (102) are threadedly sleeved.

4. The composite thermal insulation pipe according to claim 1, characterized in that: An annular sealing gasket (8) is embedded in the front end face and the rear end face of the connecting member (103), and the annular sealing gasket (8) comprises an annular fixing plate (801), a plurality of springs (802) are fixedly arranged on the upper end face of the annular fixing plate (801), and annular rubber pads (803) are fixedly arranged on the upper end faces of the plurality of springs (802).

5. The composite thermal insulation pipe according to claim 1, characterized in that: The four fixing blocks (3) are embedded in four fixing mechanisms (4), and the clamping block (403) and the clamping block (10) are clamped and connected.

6. The composite thermal insulation pipe according to claim 1, characterized in that: The heat-insulating outer shell (2) is clamped on the outer surface of the inner pipe (5), the gear (401) and the rack (404) are meshed and connected, and a hand wheel (9) is fixedly provided at one end of the rotating shaft (405) located outside the fixed outer shell (402).

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