CN112197102A

CN112197102A - Double-layer heat insulation pipe

Info

Publication number: CN112197102A
Application number: CN202011148150.9A
Authority: CN
Inventors: 施丽
Original assignee: Haisheng Medical Technology Ningbo Co ltd
Current assignee: Haisheng Medical Technology Ningbo Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-08
Anticipated expiration: 2040-10-23
Also published as: CN112197102B

Abstract

The invention discloses a double-layer heat insulation pipe, which comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved outside the inner pipe, a plurality of connecting assemblies which are convenient for personnel to repair the concave and the concave of the outer pipe are fixed between the outer pipe and the inner pipe, and the outer pipe and the inner pipe form a plurality of cavities through the plurality of connecting assemblies.

Description

Double-layer heat insulation pipe

Technical Field

The invention relates to the technical field of double-layer heat insulation pipes, in particular to a double-layer heat insulation pipe.

Background

In life, energy media such as hot water, hot steam and the like need to be conveyed at medium and long distances, energy loss is avoided to the greatest extent in the conveying and the process, and conveying efficiency is improved. At present, industrial and civil pipelines convey high-temperature media, pipes with structures of asbestos layers and rubber layers are often adopted outside metal pipes, and the pipes have certain heat insulation effect but need to be improved.

The double-deck thermal-insulated pipe in addition on the existing market utilizes to fill thermal-insulated gas in the middle of the double-deck thermal-insulated pipe and realizes the thermal-insulated effect of reinforcing, but because extrusion and external factor influence can appear after having the thermal-insulated pipe installation, and pipeline corner, all can make the double-deck thermal-insulated pipe appear that local area is sunken going into, make the heat preservation effect reduce, and personnel make extremely inconvenient repairing, need dismantle the pipeline and change the restoration once more, the time limit for a project is longer, for this, we provide a double-deck thermal-insulated pipe.

Disclosure of Invention

The invention aims to provide a double-layer heat insulation pipe which can be used for conveniently and quickly repairing the concave part on the outer side of the double-layer heat insulation pipe, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a double-deck thermal-insulated pipe, includes inner tube and outer tube, the outer tube housing is in the inner tube outside, be fixed with a plurality of make things convenient for personnel to restore the concave flat coupling assembling of outer tube between outer tube and the inner tube, and outer tube and inner tube form a plurality of cavitys through a plurality of coupling assembling.

Preferably, coupling assembling includes the connecting plate, the connecting plate both ends are fixed with outer tube inner wall and inner tube outer wall respectively, and it has protruding type groove to open in the connecting plate, the outer tube outside corresponds protruding type groove position department and opens there is the mounting groove, and installs in the mounting groove and shelter from the piece, the protruding type inslot is installed the outer tube and is sunken the restoration subassembly of usefulness, realizes the formation to cavity between outer tube and the inner tube through coupling assembling, also conveniently repairs the processing to the outer tube simultaneously.

Preferably, the repair assembly is including connecting folded plate and two inserts, the equal spout in connecting folded plate both ends is pegged graft and is had the connecting rod, and the connecting rod bottom is connected with the insert, the connecting rod bottom outside is fixed with the limiting plate, and connecting rod outside screw thread has cup jointed the screw cap, it has the breather pipe to slide in the connecting plate to peg graft, and is fixed with sucking disc and spacing ring respectively at the breather pipe both ends, breather pipe outside cover has the spring, and the spring both ends respectively with spacing ring and connecting plate contact, realize restoreing the sunken flat department of outer tube through the repair assembly for it is more stable to inside heat-proof effect.

Preferably, the insert includes the shell of inserting with convex groove cross section shape looks adaptation, it has the chamber of ventilating to open in inserting the shell, and inserts the shell top and install the hole of inflating that is linked together with the chamber of ventilating, and the bottom intercommunication has the air hose, it has the adapter sleeve to insert shell top outside screw thread cover, and is fixed bottom with the connecting rod through the adapter sleeve, insert the shell bottom and install two extruded articles, realize inserting convex groove through the insert to the convenience is restoreed the regulation to the outer tube.

Preferably, the extruded article includes a telescopic cylinder, a telescopic cylinder is fixed in the shell bottom outside of inserting through the installation piece, and slides in the telescopic cylinder and peg graft and have the knock-out lever, the knock-out lever both ends are fixed with respectively with telescopic cylinder inner wall sliding connection's piston board and stripper plate, realize extrudeing the convex groove inner wall through the extruded article to play the effect of propping up outer tube depressed part.

Preferably, the thickness of the insertion shell is consistent with the width of the installation groove, so that the insertion shell can be inserted into the installation groove when being turned to be axially aligned with the outer pipe, and can rotate for 90 degrees in the installation groove to be matched with the convex groove.

Preferably, the bottom of the insertion shell is provided with two grooves, the two grooves are internally provided with rollers in a rotating mode, and the insertion shell moves more smoothly in the convex groove due to the rollers.

Preferably, the outer tube outside corresponds sucking disc position department and adsorbs the laminating and have smooth pad, and smooth pad laminating is in outer tube depressed area for the absorption of sucking disc is more powerful.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the cavity between the inner pipe and the outer pipe is filled with macromolecular gases such as carbon dioxide for heat insulation, and meanwhile, the repairing assembly detachably mounted in the connecting assembly is used for moving in the convex groove, so that the concave and the flat parts of the outer pipe can be repaired, the heat insulation performance of the outer pipe is improved, the outer pipe does not need to be disassembled, the personnel can repair conveniently, and the construction period is short.

Drawings

FIG. 1 is a schematic view of the overall configuration of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a repair kit according to the present invention;

FIG. 4 is a partial cross-sectional structural schematic view of the insert of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 2;

FIG. 6 is an enlarged view of FIG. 2 at B;

fig. 7 is an enlarged view of fig. 4 at C.

In the figure: 1-inner tube; 2-an outer tube; 3-connecting the components; 4-a cavity; 5-connecting plates; 6-convex groove; 7-mounting grooves; 8-a shielding sheet; 9-repairing the component; 10-an insert; 11-a connecting rod; 12-a limiting plate; 13-a screw cap; 14-a ventilation pipe; 15-a sucker; 16-a stop collar; 17-a spring; 18-insertion shell; 19-a ventilation lumen; 20-air hole injection; 21-gas hose; 22-an extrusion; 23-a telescopic cylinder; 24-ejector pin; 25-a piston plate; 26-an extrusion plate; 27-a groove; 28-a roller; 29-a smooth pad; 30-connecting flaps; 31-connecting sleeve.

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 to 7, the double-layered heat insulation pipe shown in the figure includes an inner pipe 1 and an outer pipe 2, wherein the inner pipe 1 and the outer pipe 2 are both made of a material with high thermal conductivity and high specific heat capacity, the outer pipe 2 is sleeved outside the inner pipe 1, a plurality of connecting assemblies 3 which are convenient for personnel to repair the collapse of the outer pipe 2 are fixed between the outer pipe 2 and the inner pipe 1, the outer pipe 2 and the inner pipe 1 form a plurality of cavities 4 through the plurality of connecting assemblies 3, and the cavities 4 are filled with macromolecular gases such as carbon dioxide for heat insulation.

The connecting assembly 3 comprises a connecting plate 5, the cross section of the connecting plate 5 is of a convex structure, two ends of the connecting plate 5 are respectively fixed with the inner wall of the outer tube 2 and the outer wall of the inner tube 1, a convex groove 6 is formed in the connecting plate 5, a mounting groove 7 is formed in the outer side of the outer tube 2 corresponding to the convex groove 6, a shielding piece 8 is mounted in the mounting groove 7, the shielding piece 8 is made of rubber materials, so that the connecting plate can be separated from the mounting groove 7 under the condition of external force, the maintenance and repair of a worker are facilitated, and a repairing assembly 9 for repairing the concave shape of the outer tube 2 is mounted in the convex;

the repairing assembly 9 comprises a connecting folded plate 30 and two inserts 10, wherein connecting rods 11 are inserted into sliding grooves at two ends of the connecting folded plate 30, the bottoms of the connecting rods 11 are connected with the inserts 10, a limiting plate 12 is fixed on the outer side of the bottom end of each connecting rod 11, a threaded cap 13 is sleeved on the outer side of each connecting rod 11 in a threaded manner, the connecting folded plate 30 and the limiting plate 12 are extruded through the extrusion of the threaded cap 13, so that the limiting treatment on the limiting plate 12 is realized, vent pipes 14 are inserted into the connecting plates 5 in a sliding manner, sucking discs 15 and limiting rings 16 are fixed at two ends of each vent pipe 14 respectively, springs 17 are sleeved on the outer sides of the vent pipes 14, two ends of each spring 17 are respectively contacted with the limiting rings 16 and the connecting plates 5, the suction of the vent pipes 14 is realized through an;

meanwhile, in order to make the suction disc 15 more stably sucked, a smooth pad 29 is sucked and attached to the outer side of the outer tube 2 at a position corresponding to the suction disc 15;

the insert 10 comprises an insert shell 18 matched with the cross section shape of the convex groove 6, the thickness of the insert shell 18 is consistent with the width of the installation groove 7, so that the insert shell 18 can be inserted into the installation groove 7, a ventilation cavity 19 is formed in the insert shell 18, an inflation hole 20 communicated with the ventilation cavity 19 is arranged at the top end of the insert shell 18, an air hose 21 is communicated with the bottom end of the insert shell, a connecting sleeve 31 is sleeved on the outer side of the top of the insert shell 18 in a threaded manner and fixed with the bottom of the connecting rod 11 through the connecting sleeve 31, and two extrusion pieces 22 are arranged at the bottom of the insert shell 18;

wherein, extruded article 22 includes telescopic tube 23, telescopic tube 23 is fixed in inserting 18 bottoms outsides of shell through the installation piece, and slides in telescopic tube 23 and peg graft and have knock-out lever 24, knock-out lever 24 both ends are fixed with piston plate 25 and stripper plate 26 with 23 inner wall sliding connection of telescopic tube respectively, and the atmospheric pressure is increasing in telescopic tube 23 to realize promoting knock-out lever 24 to rise, realize extrudeing the chamber 4 in the outer tube 2 and reset, make its shrivelled department can recover fast.

The principle of restoring and resetting the concave and shriveled part of the outer pipe 2 is as follows: when the outer side of the outer pipe 2 is affected by the outside to generate the concave-concave state, the concave-concave state is positioned on the outer side of the middle area of the cavity 4, at the moment, a person probably sinks two shielding pieces 8 on the outer side of the concave-concave position, inserts the insert 10 into the convex-shaped groove 6, then sleeves the connecting sleeve 31 on the top of the insert shell 18 in a threaded manner, sleeves the connecting folded plate 30 on the outer side of the connecting rod 11, limits the position by using the threaded cap 13, then adheres the smooth pad 29 to the concave-concave area, aligns the sucker 15 to the smooth pad 29 by the person, adsorbs the sucking by an external negative pressure device, and then pulls the sucking disc outwards to reset the concave-concave position, so that the cavity 4 area can be repaired;

when repairing the vicinity of the mounting groove 7: the personnel insert the convex type groove 6 that corresponds the shrivelled position of concave earlier with insert 10, then remove insert 10, because insert 10 and convex type groove 6 looks adaptation, thereby satisfy the jack-up to convex type groove 6, make the part be close to convex type groove 6 depressed area and have a recovery state, later the rethread inflating equipment connection inflate the hole 20, and inwards aerify, make ejector rod 24 outwards stretch out, the realization has an outside ejecting to outer tube 2, make the shrivelled region can reset.

In addition, two grooves 27 are formed in the bottom of the insertion shell 18, and rollers 28 are rotatably mounted in the two grooves 27, so that the movement of the insertion piece 10 is smoother through the rollers 28.

In this scheme, insert 10 and double-deck pipe looks adaptation can install one at the wall distance, makes things convenient for personnel to the restoration action of double-deck thermal-insulated pipe.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a double-deck thermal-insulated pipe, includes inner tube (1) and outer tube (2), outer tube (2) cover is in the inner tube (1) outside, its characterized in that: be fixed with a plurality of convenience of customers between outer tube (2) and inner tube (1) and restore outer tube (2) collapsible coupling assembling (3), and outer tube (2) and inner tube (1) form a plurality of cavitys (4) through a plurality of coupling assembling (3).

2. The double-layer insulating pipe according to claim 1, wherein: coupling assembling (3) are including connecting plate (5), connecting plate (5) both ends are fixed with outer tube (2) inner wall and inner tube (1) outer wall respectively, and seted up in connecting plate (5) convex groove (6), the outer tube (2) outside corresponds convex groove (6) position department and opens there is mounting groove (7), and installs in mounting groove (7) and shelter from piece (8), install restoration subassembly (9) that outer tube (2) shrivelled restoration was used in convex groove (6).

3. The double-layer insulating pipe according to claim 2, wherein: repair subassembly (9) including connection folded plate (30) and two inserts (10), the equal spout grafting in connection folded plate (30) both ends has connecting rod (11), and connecting rod (11) bottom is connected with inserts (10), connecting rod (11) bottom outside is fixed with spacing board (12), and connecting rod (11) outside screw thread sleeve has screw cap (13), it has breather pipe (14) to slide the grafting in connecting plate (5), and breather pipe (14) both ends are fixed with sucking disc (15) and spacing ring (16) respectively, breather pipe (14) outside cover has spring (17), and spring (17) both ends contact with spacing ring (16) and connecting plate (5) respectively.

4. The double-layer insulating pipe according to claim 3, wherein: insert (10) include with shell (18) of inserting of convex groove (6) cross sectional shape looks adaptation, it has ventilative chamber (19) to insert to open in shell (18), and inserts shell (18) top and install and ventilate the gas hole (20) that are linked together in chamber (19), and the bottom intercommunication has air hose (21), insert shell (18) top outside screw thread and cup jointed adapter sleeve (31), and fixed with connecting rod (11) bottom through adapter sleeve (31), insert shell (18) bottom and install two extruded articles (22).

5. The double-layer heat insulating pipe according to claim 4, wherein: the extrusion piece (22) comprises a telescopic cylinder (23), the telescopic cylinder (23) is fixed on the outer side of the bottom of the insertion shell (18) through an installation block, an ejection rod (24) is inserted in the telescopic cylinder (23) in a sliding mode, and a piston plate (25) and an extrusion plate (26) which are connected with the inner wall of the telescopic cylinder (23) in a sliding mode are fixed at the two ends of the ejection rod (24) respectively.

6. The double-layer insulating pipe according to claim 5, wherein: the thickness of the insertion shell (18) is consistent with the width of the installation groove (7).

7. The double-layer insulating pipe according to claim 6, wherein: two grooves (27) are formed in the bottom of the insertion shell (18), and rollers (28) are rotatably mounted in the two grooves (27).

8. The double-layer insulating pipe according to claim 7, wherein: and a smooth pad (29) is attached to the outer side of the outer tube (2) in an adsorption manner at a position corresponding to the sucking disc (15).