CN218582578U

CN218582578U - Combined type direct-burried insulating tube

Info

Publication number: CN218582578U
Application number: CN202222300992.2U
Authority: CN
Inventors: 刘涛; 刘云江; 刘振; 刘旺
Original assignee: Tianjin Qianfeng Corrosion Insulation Engineering Co ltd
Current assignee: Tianjin Qianfeng Corrosion Insulation Engineering Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-07
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a combined type direct-burried insulating tube, including the insulating tube, it includes inner tube and heat preservation, still includes the coupling, the coupling coats and is stamped the heat preservation, the both ends of coupling all seted up with the recess of inner tube adaptation, the activity is provided with on the coupling and is circumference array distribution and extends to the inside staple of recess, the staple is driven to remove in order to imbed the inner tube. The utility model discloses a combined type direct-burried insulating tube, when the circuit of insulating tube needs to turn, detach some with the heat preservation on the insulating tube inner tube earlier, and will detach the tube head of heat preservation and insert the recess on the coupling, order about the staple again and remove to the inside of recess, and during embedding insulating tube's interior pipe wall, fix the inner tube of insulating tube in the recess of coupling, and the outer wall of coupling coats and is stamped the heat preservation, can guarantee that the liquid of carrying in the insulating tube can not have calorific loss through this turn.

Description

Combined type direct-burried insulating tube

Technical Field

The utility model relates to a thermal insulation pipe technical field relates to a combined type direct burial thermal insulation pipe particularly.

Background

The composite heat-insulating pipe is a common liquid conveying pipeline and is often used for conveying high-temperature or low-temperature liquid or gas.

According to patent No. CN212361283U, published (announced) No. 2021.01.15, a disclosed multilayer combined type direct-buried insulating pipe comprises a pipe body, a first interface, a second interface and a fixed support, wherein the pipe body sequentially comprises an inner steel pipe, an insulating layer, a reflecting layer, a vacuum insulating layer, an outer steel pipe and an outer anticorrosive layer from inside to outside, the first interface and the second interface are respectively positioned at two ends of the inner steel pipe, and the fixed support is positioned on the outer side surface of the pipe body. The device can fix the multilayer composite directly-buried heat-insulating pipes in the fixed support, so that the problem that the heat-insulating pipes are mutually extruded in the process of transporting the heat-insulating pipes or roll off when being installed is solved; in addition, bear the articulated arc gleitbretter that has on the frame, the insulating tube is rotatable on the arc gleitbretter, for the insulating tube provides the cushion effect in the transportation, prevents to receive the excessive extrusion of fixed bolster, has further increased the security of insulating tube transportation.

In the prior art including above-mentioned patent, current insulating tube is the direct coupling of using of the department of turning that is most to seal, fix with the ring flange, but inconvenient installation heat preservation on the ring flange, direct the hourglass is outside mostly, and the ring flange is the metal material, and heat conductivility is good, and the liquid or the gaseous loss heat here of carrying in the insulating tube easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combined type direct-burried insulating tube aims at solving the flange of traditional insulating tube turn and makes the gaseous or the thermal problem of liquid loss of its inside transport easily.

In order to realize the above-mentioned purpose, the utility model provides a combined type direct-burried insulating tube, including the insulating tube, it includes inner tube and heat preservation, still includes the coupling, the coupling coats and is stamped the heat preservation, the both ends of coupling all seted up with the recess of inner tube adaptation, the coupling is overhead the activity be provided with be circumference array distribution and extend to the inside staple of recess, the staple is driven to remove with the embedding the inner tube.

Preferably, the pipe joint is movably provided with a pushing cylinder, and the inner wall of the pushing cylinder is provided with mortises which are distributed in a circumferential array and are obliquely arranged.

Preferably, the fixing nail extends into the mortise and is provided with a tenon block matched with the mortise.

Preferably, the pushing cylinder is rotatably provided with an internal threaded pipe, and the internal threaded pipe is in threaded fit with the pipe joint.

Preferably, the internal threaded pipe is movably provided with a deflector rod, and the heat insulation layer on the pipe joint is provided with a notch for the deflector rod to move.

Preferably, the outer wall of the internal threaded pipe is provided with a sliding groove, and the shifting lever extends to the inside of the sliding groove and is matched with the sliding groove.

Preferably, the inner wall of the groove is covered with a rubber layer.

In the technical scheme, the utility model provides a pair of combined type direct-burried insulating tube possesses following beneficial effect: when the circuit of insulating tube need turn, will detach partly with the heat preservation on the insulating tube inner tube earlier to in will detaching the recess on the coupling, order about the staple again and remove to the inside of recess, and during the interior pipe wall of embedding insulating tube, fix the inner tube of insulating tube in the recess of coupling, and the outer wall of coupling coats and is stamped the heat preservation, can guarantee that the liquid of intraductal transport of insulating tube can not have heat loss through this turn.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure provided by an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a schematic diagram of an explosion structure at another angle according to an embodiment of the present invention.

Description of reference numerals:

1. a pipe joint; 11. fixing nails; 111. a tenon block; 12. a groove; 13. pushing the cylinder; 131. mortises; 14. an internally threaded tube; 141. a deflector rod; 142. a chute; 143. a slider; 2. and (7) an insulating layer.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

As shown in fig. 1-5, a combined type direct burial insulating pipe comprises an insulating pipe body, an inner pipe and an insulating layer 2, and further comprises a pipe joint 1, wherein the pipe joint 1 is covered with the insulating layer 2, grooves 12 matched with the inner pipe are formed in two ends of the pipe joint 1, fixing nails 11 which are distributed in a circumferential array mode and extend into the grooves 12 are movably arranged on the pipe joint 1, and the fixing nails 11 are driven to move to be embedded into the inner pipe.

Among the above-mentioned technical scheme, when the circuit of insulating tube needs to turn, detach partly with insulating layer 2 on the insulating tube intraductal earlier, and will detach in the pipe head of insulating layer 2 inserts the recess 12 on the coupling 1, order about staple 11 again and remove to the inside of recess 12, and in the interior pipe wall of embedding insulating tube, fix the inner tube of insulating tube in the recess 12 of coupling 1, and the outer wall of coupling 1 coats and is stamped insulating layer 2, can guarantee that the liquid of intraductal transport of insulating tube can not have heat loss in this position of turning.

As a further embodiment of the present invention, as shown in fig. 2-5, a pushing cylinder 13 is movably disposed on a pipe joint 1, mortises 131 distributed in a circumferential array and arranged obliquely are disposed on an inner wall of the pushing cylinder 13, a fixing nail 11 extends into the mortises 131 and is provided with a tenon block 111 adapted to the mortises 131, an internal threaded pipe 14 is rotatably disposed on the pushing cylinder 13, the internal threaded pipe 14 is in threaded fit with the pipe joint 1, a shift lever 141 is movably disposed on the internal threaded pipe 14, a heat insulation layer 2 on the pipe joint 1 is provided with a notch for moving the shift lever 141, a sliding groove 142 is disposed on an outer wall of the internal threaded pipe 14, and the shift lever 141 extends into the sliding groove 142 and is provided with a sliding block 143 adapted to the sliding groove 142; when the line of the heat preservation pipe needs to turn, firstly, a part of the heat preservation layer 2 on the heat preservation pipe is removed, the pipe head with the heat preservation layer 2 removed is inserted into the groove 12 on the pipe joint 1, the driving lever 141 is stirred, the driving lever 141 drives the internal threaded pipe 14 to move along the thread line on the outer wall of the pipe joint 1 through the sliding block 143, and pushes against the pushing cylinder 13 to enable the internal threaded pipe to approach the heat preservation pipe, the fixing nail 11 is limited by the notch on the groove 12, the tenon block 111 on the fixing lever can move along the tenon groove 131 obliquely arranged inside the pushing cylinder 13 and push against the fixing nail 11 to enable the fixing lever 141 to move towards the inside of the groove 12 and be embedded into the inner pipe wall of the heat preservation pipe, the inner pipe of the heat preservation pipe is fixed in the groove 12 of the pipe joint 1, the sliding block 143 also moves in the sliding groove 142 while the internal threaded pipe 14 moves, the driving lever 141 is always located at the notch of the heat preservation layer 2 on the pipe joint 1, the outer wall of the pipe joint 1 is covered with the heat preservation layer 2, and the liquid conveyed in the heat preservation pipe can be guaranteed that no heat loss can pass through the turning position.

As a further embodiment provided by the present application, as shown in fig. 2, the inner wall of the groove 12 is covered with a rubber layer, and the rubber layer can be tightly combined with the inner pipe of the thermal insulation pipe inserted into the groove 12, so as to ensure the sealing performance there.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a combined type direct-burried insulating tube, includes insulating tube, and it includes inner tube and heat preservation (2), its characterized in that still includes coupling (1), coupling (1) coats and is stamped insulating layer (2), the both ends of coupling (1) all seted up with recess (12) of inner tube adaptation, the activity is provided with on coupling (1) and is circumference array distribution and extends to recess (12) inside staple (11), staple (11) are driven and are removed in order to imbed the inner tube.

2. The composite directly-buried insulating pipe according to claim 1, characterized in that the pipe joint (1) is movably provided with a pushing cylinder (13), and the inner wall of the pushing cylinder (13) is provided with mortises (131) which are distributed in a circumferential array and are obliquely arranged.

3. The composite directly-buried insulating pipe as claimed in claim 2, wherein the fixing nail (11) extends into the mortise (131) and is provided with a tenon block (111) adapted to the mortise (131), and the side wall of the groove (12) is provided with a gap adapted to the fixing nail (11).

4. The composite direct-burried thermal insulation pipe of claim 2, characterized in that the pushing cylinder (13) is rotatably provided with an internally threaded pipe (14), and the internally threaded pipe (14) is in threaded engagement with the pipe joint (1).

5. The composite directly-buried insulating pipe according to claim 4, wherein the internally threaded pipe (14) is movably provided with a shift lever (141), and the insulating layer (2) on the pipe joint (1) is provided with a notch for the shift lever (141) to move.

6. The composite type directly-buried heat preservation pipe as claimed in claim 5, wherein a sliding groove (142) is formed in an outer wall of the internally threaded pipe (14), and the driving lever (141) extends to an inner portion of the sliding groove (142) and is provided with a sliding block (143) matched with the sliding groove (142).

7. The composite direct-buried heat-insulating pipe as claimed in claim 1, wherein the inner wall of the groove (12) is covered with a rubber layer.