Compression-resistant thermal insulation pipe

Abstract

The utility model relates to the technical field of thermal insulation pipes, and discloses a compression-resistant thermal insulation pipe. The compression-resistant thermal insulation pipe comprises a thermal insulation pipe inner pipe, a protective sleeve is arranged on the outer side of the thermal insulation pipe inner pipe, a sealing sleeve is connected to the inner wall of the thermal insulation pipe inner pipe, and a connecting structure is arranged on the inner side of the thermal insulation pipe inner pipe. Through the arrangement of the metal sleeve, the compression-resistant frames, the air bags and the protective sleeve, the metal sleeve is arranged on the outer side of the heat preservation layer, the multiple compression-resistant frames are arranged on the outer wall of the metal sleeve, the air bags are arranged in gaps of the multiple compression-resistant frames, the air bags are connected into a whole through the connecting belts, and external extrusion force firstly extrudes the air bags through the outer pipe; when the extrusion force is too large, the outer pipe makes contact with the pressure-resistant frame, the outer-layer air bag relieves the extrusion force, the inner-layer pressure-resistant frame guarantees that the outer pipe cannot be damaged when bearing huge pressure, and the air bags and the pressure-resistant frame jointly conduct pressure-resistant protection on the heat preservation layer and the inner heat preservation pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipes, in particular to a pressure-resistant thermal insulation pipe material. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquids, gases and other media, and is used for insulation of pipelines in petroleum, chemical, aerospace, hot spring military, central heating, central air conditioning, municipal and other fields.

[0003] The existing insulation pipe has a compression resistance effect. The compression frame is mostly made of hard metal. Although it has a compression resistance effect, it does not have a shock absorption effect, so that the vibration generated by the impact is transmitted to the inner tube of the insulation pipe. Therefore, a compression-resistant insulation pipe is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a pressure-resistant thermal insulation pipe to solve the problem of the pressure resistance of the existing thermal insulation pipe proposed in the above-mentioned background technology. The pressure-resistant frame is mostly made of hard metal. Although it has a pressure-resistant effect, it does not have a shock-absorbing effect, so that the vibration generated by the impact is transmitted to the inner tube of the thermal insulation pipe and when the thermal insulation pipe is connected, there is a connection gap and the sealing effect is not good.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a pressure-resistant thermal insulation pipe, comprising an insulation pipe inner pipe, a protective sleeve is arranged on the outer side of the insulation pipe inner pipe, and a sealing sleeve is connected to the inner wall of the insulation pipe inner pipe, a connecting structure is arranged on the inner side of the insulation pipe inner pipe, and a connecting pipe is arranged on the left side of the insulation pipe inner pipe, a pressure-resistant structure is arranged on the outer side of the protective sleeve, and an outer pipe is arranged on the outer side of the pressure-resistant structure.

[0006] The pressure-resistant structure comprises a metal sleeve, an outer wall of the metal sleeve is fixed with a pressure-resistant frame, air bags are arranged on both sides of the pressure-resistant frame, and the outer wall of the air bag is connected with a connecting belt.

[0007] The connecting structure includes an arc-shaped engaging groove, an arc-shaped engaging plate is engaged with the inner side of the arc-shaped engaging groove, and positioning grooves are opened on both sides of the arc-shaped engaging groove, a push plate is arranged on the right side of the positioning groove, a second spring is connected to the inner side of the arc-shaped engaging plate, and a connecting sleeve is fixed to the left side of the arc-shaped engaging plate, and a positioning block is arranged at the end of the second spring.

[0008] Preferably, the rear end of the protective sleeve is connected to a first spring, the rear end of the first spring is provided with a heat-insulating layer, and the number of the airbags is six.

[0009] Preferably, the compression-resistant frame is welded to the outer wall of the metal sleeve, and the six airbags are movably connected via a connecting belt.

[0010] Preferably, the connecting sleeve is fixedly connected to the right end of the connecting pipe, the number of the arc-shaped clamping plates is two, and the arc-shaped clamping plates are clamped and connected to the arc-shaped clamping grooves.

[0011] Preferably, a movable groove matching the push plate is provided on the right side of the positioning groove, and a push block is provided on the top of the push plate.

[0012] Preferably, the positioning block is snap-connected with the positioning groove, and the connecting sleeve and the inner tube of the thermal insulation tube are snap-fixed with each other through the arc-shaped snap-fit ​​groove, the arc-shaped snap-fit ​​plate, the positioning groove and the positioning block.

[0013] Preferably, the protective sleeve is sleeved on the inner tube of the thermal insulation tube and the outer side of the connecting sleeve, and a contraction groove matching the second spring and the positioning block is provided on the inner side of the arc-shaped clamping plate.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model is provided with a metal sleeve, a pressure-resistant frame and an airbag. The outer side of the protective sleeve and the thermal insulation layer is provided with a metal sleeve, and a plurality of pressure-resistant frames are provided on the outer wall of the metal sleeve. Airbags are provided in the gaps of the plurality of pressure-resistant frames. The airbags are connected together by a connecting belt. The external extrusion pressure first squeezes the airbag through the outer tube. When the extrusion pressure is too large, the outer tube will contact the pressure-resistant frame. The outer airbag relieves the extrusion pressure, and the inner pressure-resistant frame ensures that the outer tube will not be damaged when subjected to huge pressure. The airbag and the pressure-resistant frame jointly provide pressure-resistant protection for the thermal insulation layer and the inner tube of the thermal insulation tube.

[0016] Second, the utility model provides a connecting sleeve, an inner tube of the insulation tube, an arc-shaped clamping plate and an arc-shaped clamping groove. When the insulation tube and the connecting tube are assembled, the connecting sleeve at the end of the connecting tube is brought close to and aligned with the inner tube of the insulation tube, and the sealing sleeve at the end of the inner tube of the insulation tube is inserted into the inner side of the connecting sleeve. At the same time, the two arc-shaped clamping plates at the end of the connecting sleeve are inserted into the arc-shaped clamping grooves on the inner side of the inner tube of the insulation tube. When inserted, the positioning blocks on both sides of the arc-shaped clamping plates are squeezed by the arc-shaped clamping grooves, thereby squeezing the second spring into the receiving In the shrinkage groove, after the arc-shaped snap plate is fully inserted, the positioning block pops out under the elastic force of the second spring and is inserted into the positioning groove on the inner wall of the arc-shaped snap groove. The arc-shaped snap plate is snapped and fixed to the arc-shaped snap groove through the positioning block and the positioning groove. The connecting sleeve is fixedly connected to the inner tube of the insulation pipe, and the assembly of the connecting pipe and the insulation pipe is completed. The protective sleeve pops out to the outside under the elastic force of the first spring and moves to the connecting gap between the connecting sleeve and the inner tube of the insulation pipe to cover the gap and improve the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram;

[0020] Figure 4 This is a schematic diagram of the sealing sleeve of the utility model;

[0021] Figure 5 This is a schematic diagram of the protective sleeve of the utility model;

[0022] Figure 6 For this utility model Figure 5 A magnified schematic diagram of B;

[0023] Figure 7 For this utility model Figure 2 A magnified schematic diagram of middle C;

[0024] Figure 8 This is a schematic diagram of a positioning block of the utility model.

[0025] Wherein: 1. Insulation pipe inner tube; 2. Protective sleeve; 3. First spring; 4. Insulation layer; 5. Compression-resistant structure; 501. Metal sleeve; 502. Compression-resistant frame; 503. Airbag; 504. Connecting belt; 6. Outer tube; 7. Sealing sleeve; 8. Connecting structure; 801. Arc-shaped snap-fit ​​groove; 802. Positioning groove; 803. Push plate; 804. Arc-shaped snap-fit ​​plate; 805. Second spring; 806. Positioning block; 807. Connecting sleeve; 9. Connecting pipe. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-3A pressure-resistant thermal insulation pipe comprises a thermal insulation pipe inner tube 1, a protective sleeve 2 is arranged on the outer side of the thermal insulation pipe inner tube 1, and a sealing sleeve 7 is connected to the inner wall of the thermal insulation pipe inner tube 1, a connecting structure 8 is arranged on the inner side of the thermal insulation pipe inner tube 1, and a connecting pipe 9 is arranged on the left side of the thermal insulation pipe inner tube 1, a pressure-resistant structure 5 is arranged on the outer side of the protective sleeve 2, an outer tube 6 is arranged on the outer side of the pressure-resistant structure 5, the pressure-resistant structure 5 comprises a metal sleeve 501, a pressure-resistant frame 502 is fixed to the outer wall of the metal sleeve 501, air bags 503 are arranged on both sides of the pressure-resistant frame 502, and a connecting belt 504 is connected to the outer wall of the air bag 503, a first spring 3 is connected to the rear end of the protective sleeve 2, a thermal insulation layer 4 is arranged on the rear end of the first spring 3, the number of the air bags 503 is six, and the pressure-resistant frame 502 is welded on the outer wall of the metal sleeve 501, and the six airbags 503 are movably connected by the connecting belt 504. The metal sleeve 501 is arranged on the outside of the protective sleeve 2 and the thermal insulation layer 4. The outer wall of the metal sleeve 501 is arranged with multiple pressure-resistant frames 502, and the airbags 503 are arranged in the gaps of the multiple pressure-resistant frames 502. The airbags 503 are connected as a whole through the connecting belt 504. The external extrusion pressure first squeezes the airbags 503 through the outer tube 6. When the extrusion pressure is too large, the outer tube 6 will contact the pressure-resistant frame 502, and the outer airbag 503 relieves the extrusion pressure, while the inner pressure-resistant frame 502 ensures that the outer tube 6 will not be damaged when subjected to huge pressure. The airbags 503 and the pressure-resistant frame 502 jointly provide pressure protection for the thermal insulation layer 4 and the inner tube 1 of the thermal insulation tube.

[0028] See also Figure 5-8A pressure-resistant heat-insulating pipe, the connecting structure 8 includes an arc-shaped snap-fit ​​groove 801, an arc-shaped snap-fit ​​plate 804 is snap-fitted on the inner side of the arc-shaped snap-fit ​​groove 801, and positioning grooves 802 are provided on both sides of the arc-shaped snap-fit ​​groove 801, and a push plate 803 is provided on the right side of the positioning groove 802, and a second spring 805 is connected to the inner side of the arc-shaped snap-fit ​​plate 804, and a connecting sleeve 807 is fixed on the left side of the arc-shaped snap-fit ​​plate 804, and a positioning block 806 is provided at the end of the second spring 805, and the connecting sleeve 807 is fixedly connected to the right end of the connecting pipe 9, and the number of the arc-shaped snap-fit ​​plates 804 is two The arc-shaped snap-fitting plate 804 is snap-fitted with the arc-shaped snap-fitting groove 801, a movable groove matching the push plate 803 is provided on the right side of the positioning groove 802, and a push block is provided on the top of the push plate 803, the positioning block 806 is snap-fitted with the positioning groove 802, and the connecting sleeve 807 is snap-fitted and fixed with the inner tube 1 of the insulation pipe through the arc-shaped snap-fitting groove 801, the arc-shaped snap-fitting plate 804, the positioning groove 802 and the positioning block 806, the protective sleeve 2 is sleeved on the outer side of the inner tube 1 of the insulation pipe and the connecting sleeve 807, and a second spring 805 and a positioning block are provided on the inner side of the arc-shaped snap-fitting plate 804. When the insulation pipe and the connecting pipe 9 are assembled, the connecting sleeve 807 at the end of the connecting pipe 9 is brought close to and aligned with the inner pipe 1 of the insulation pipe, and the sealing sleeve 7 at the end of the inner pipe 1 of the insulation pipe is inserted into the inner side of the connecting sleeve 807, and at the same time, the two arc-shaped clamping plates 804 at the end of the connecting sleeve 807 are inserted into the arc-shaped clamping groove 801 on the inner side of the insulation pipe inner pipe 1. When inserted, the positioning blocks 806 on both sides of the arc-shaped clamping plate 804 are squeezed by the arc-shaped clamping groove 801, thereby squeezing the second spring 805 into the shrinkage groove. After full insertion, the positioning block 806 pops out under the elastic support of the second spring 805 and is inserted into the positioning groove 802 on the inner wall of the arc-shaped snap-fit ​​groove 801. The arc-shaped snap-fit ​​plate 804 is snap-fitted and fixed to the arc-shaped snap-fit ​​groove 801 through the positioning block 806 and the positioning groove 802. The connecting sleeve 807 is fixedly connected to the inner tube 1 of the insulation pipe, and the connecting pipe 9 and the insulation pipe are assembled. The protective sleeve 2 pops out to the outside under the elastic support of the first spring 3 and moves to the connecting gap between the connecting sleeve 807 and the inner tube 1 of the insulation pipe to cover the gap and improve the sealing effect.

[0029] When in use, a metal sleeve 501 is provided on the outside of the protective sleeve 2 and the thermal insulation layer 4, and a plurality of pressure-resistant frames 502 are provided on the outer wall of the metal sleeve 501, and air bags 503 are provided in the gaps of the plurality of pressure-resistant frames 502, and the air bags 503 are connected together by connecting belts 504. The external extrusion pressure first squeezes the air bags 503 through the outer tube 6. When the extrusion pressure is too large, the outer tube 6 will contact the pressure-resistant frame 502, and the outer air bags 503 relieve the extrusion pressure, while the inner pressure-resistant frame 502 ensures that the outer tube 6 will not be damaged when subjected to great pressure. The air bags 503 and the pressure-resistant frames 502 jointly provide pressure-resistant protection for the thermal insulation layer 4 and the inner tube 1 of the thermal insulation pipe. When the thermal insulation pipe is assembled with the connecting pipe 9, the connecting sleeve 807 at the end of the connecting pipe 9 is brought close to and aligned with the inner tube 1 of the thermal insulation pipe, and the sealing sleeve 7 at the end of the inner tube 1 of the thermal insulation pipe is inserted into the inner side of the connecting sleeve 807. The two arc-shaped snap-fitting plates 804 at the ends of 7 are inserted into the arc-shaped snap-fitting grooves 801 on the inner side of the inner tube 1 of the insulation tube. During insertion, the positioning blocks 806 on both sides of the arc-shaped snap-fitting plates 804 are squeezed by the arc-shaped snap-fitting grooves 801, thereby squeezing the second spring 805 into the contraction groove. After the arc-shaped snap-fitting plates 804 are fully inserted, the positioning blocks 806 are popped out under the elastic support of the second spring 805, and inserted into the positioning grooves 802 on the inner wall of the arc-shaped snap-fitting grooves 801. The arc-shaped snap-fitting plates 804 are snapped and fixed with the arc-shaped snap-fitting grooves 801 through the positioning blocks 806 and the positioning grooves 802. The connecting sleeve 807 is fixedly connected to the inner tube 1 of the insulation tube, and the connecting pipe 9 and the insulation tube are assembled. The protective sleeve 2 is popped out to the outside under the elastic support of the first spring 3, and moves to the connecting gap between the connecting sleeve 807 and the inner tube 1 of the insulation tube to cover the gap and improve the sealing effect.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant thermal insulation pipe, comprising a thermal insulation inner pipe (1), characterized in that: A protective sleeve (2) is arranged on the outer side of the thermal insulation pipe inner tube (1), and a sealing sleeve (7) is connected to the inner wall of the thermal insulation pipe inner tube (1), a connecting structure (8) is arranged on the inner side of the thermal insulation pipe inner tube (1), and a connecting pipe (9) is arranged on the left side of the thermal insulation pipe inner tube (1), a pressure-resistant structure (5) is arranged on the outer side of the protective sleeve (2), and an outer tube (6) is arranged on the outer side of the pressure-resistant structure (5); The pressure-resistant structure (5) comprises a metal sleeve (501), a pressure-resistant frame (502) is fixed to the outer wall of the metal sleeve (501), air bags (503) are arranged on both sides of the pressure-resistant frame (502), and the outer wall of the air bag (503) is connected to a connecting belt (504); The connecting structure (8) comprises an arc-shaped engaging groove (801), an arc-shaped engaging plate (804) is engaged with the inner side of the arc-shaped engaging groove (801), and positioning grooves (802) are provided on both sides of the arc-shaped engaging groove (801), a push plate (803) is provided on the right side of the positioning groove (802), a second spring (805) is connected to the inner side of the arc-shaped engaging plate (804), and a connecting sleeve (807) is fixed to the left side of the arc-shaped engaging plate (804), and a positioning block (806) is provided at the end of the second spring (805).

2. A pressure-resistant thermal insulation pipe according to claim 1, characterized in that: The rear end of the protective sleeve (2) is connected to a first spring (3), the rear end of the first spring (3) is provided with a heat-insulating layer (4), and the number of the airbags (503) is six.

3. The pressure-resistant thermal insulation pipe according to claim 1, characterized in that: The compression-resistant frame (502) is welded to the outer wall of the metal sleeve (501), and the six air bags (503) are movably connected via a connecting belt (504).

4. The pressure-resistant thermal insulation pipe according to claim 1, characterized in that: The connecting sleeve (807) is fixedly connected to the right end of the connecting pipe (9), the number of the arc-shaped snap-fit ​​plates (804) is two, and the arc-shaped snap-fit ​​plates (804) are snap-fitted and connected to the arc-shaped snap-fit ​​groove (801).

5. The pressure-resistant thermal insulation pipe according to claim 1, characterized in that: A movable groove matching the push plate (803) is provided on the right side of the positioning groove (802), and a push block is provided at the top of the push plate (803).

6. The pressure-resistant thermal insulation pipe according to claim 1, characterized in that: The positioning block (806) is snap-connected with the positioning groove (802), and the connecting sleeve (807) is snap-connected and fixed with the inner tube (1) of the thermal insulation tube via the arc-shaped snap-connecting groove (801), the arc-shaped snap-connecting plate (804), the positioning groove (802) and the positioning block (806).

7. The pressure-resistant thermal insulation pipe according to claim 1, characterized in that: The protective sleeve (2) is sleeved on the outer side of the inner tube (1) of the thermal insulation tube and the connecting sleeve (807), and a contraction groove matching the second spring (805) and the positioning block (806) is provided on the inner side of the arc-shaped clamping plate (804).

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