CN210661918U

CN210661918U - Long service life's insulating tube

Info

Publication number: CN210661918U
Application number: CN201921751352.5U
Authority: CN
Inventors: 张宝刚
Original assignee: Tianjin Kaida Tongyuan Pipeline Engineering Co ltd
Current assignee: Tianjin Kaida Tongyuan Pipeline Engineering Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-02
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a long service life's insulating tube, including the inner tube, equidistance fixed mounting has a plurality of annular fixed blocks on the lateral wall of inner tube, all can dismantle between two adjacent annular fixed blocks and install the heat preservation outer tube, the heat preservation outer tube includes two semi-annular outer tubes of interconnect, equal fixed mounting has the heat preservation of mutually supporting with the inner tube on the inside wall of two semi-annular outer tubes, and the heat preservation all with the mutual in close contact with of inner tube, all be equipped with positioner between two semi-annular outer tubes and the annular fixed block, equal fixed mounting has the sealed outer tube of mutually supporting with annular fixed block on the lateral wall of two semi-annular outer tubes. The utility model discloses well insulating tube comprises inner tube and a plurality of heat preservation outer tubes of demountable installation in the inner tube outside, only needs to change the heat preservation outer tube that damages after damage appears in some protection outer tube and heat preservation, need not to change whole insulating tube to very big extension insulating tube's life.

Description

Long service life's insulating tube

Technical Field

The utility model relates to a thermal insulation pipe technical field especially relates to a long service life's thermal insulation pipe.

Background

The heat-insulating pipe is a short name of heat-insulating pipeline, is used for conveying liquid, gas and other media, and is widely applied to heat-insulating and cold-insulating engineering in the industries of central heating, cold supply, hot oil conveying, heating rooms, cold storages, coal mines, petroleum, chemical engineering and the like.

Among the prior art, the insulating tube is mostly by the inner tube, the welding is in the protection outer tube in the inner tube outside and the heat preservation between inner tube and the protection outer tube is constituteed, just need change whole insulating tube after damage appears in some partial protection outer tube and heat preservation to greatly shortened the life of insulating tube, consequently need make the improvement to this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of short service life of the heat preservation pipe in the prior art and providing a heat preservation pipe with long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a long service life's insulating tube, includes the inner tube, equidistant fixed mounting has a plurality of annular fixed blocks, adjacent two on the lateral wall of inner tube all demountable installation has the heat preservation outer tube between the annular fixed block, the heat preservation outer tube includes two semi-annular outer tubes of interconnect, two equal fixed mounting has the heat preservation of mutually supporting with the inner tube on the inside wall of semi-annular outer tube, and the heat preservation all with the mutual in close contact with of inner tube, two all be equipped with positioner, two between semi-annular outer tube and the annular fixed block equal fixed mounting has the sealed outer tube of mutually supporting with annular fixed block, two on the lateral wall of semi-annular outer tube be equipped with fixed connection device between the sealed outer tube.

Preferably, the positioning device comprises two limiting plates movably mounted at two ends of the semi-annular outer tube, and the annular fixing block is provided with limiting grooves matched with the limiting plates.

Preferably, the mounting groove of mutually supporting with the limiting plate is all seted up at the both ends of semiannular outer tube, two all movable insert on the inside wall of mounting groove and be equipped with a plurality of movable rods, and the equal fixed mounting of one end that the mounting groove was kept away from to the movable rod is on the limiting plate, every all around being equipped with the spring on the movable rod, and the both ends difference fixed mounting of spring is on the lateral wall of limiting plate and the inside wall of mounting groove.

Preferably, the outer side walls of the two limiting plates, which are far away from one end of the semi-annular outer tube, are inclined planes.

Preferably, every equal fixed mounting has a sealing connection piece on the inside wall at sealed outer tube both ends, every the connecting groove of mutually supporting with sealing connection piece is all seted up on the annular fixed block, and sealing connection piece all inserts and establishes in the connecting groove.

Preferably, the fixed connection device comprises four connection plates symmetrically and fixedly installed on the two sealed outer tubes, a plurality of connection screws are inserted into the two adjacent connection plates together, and each connection screw is connected with a fastening nut in a threaded manner.

Compared with the prior art, the utility model discloses there is following beneficial effect:

1. the heat preservation pipe consists of an inner pipe and a plurality of heat preservation outer pipes which are detachably arranged on the outer side of the inner pipe, when a certain part of the protection outer pipe and the heat preservation layer are damaged, only the damaged heat preservation outer pipe needs to be replaced, and the whole heat preservation pipe does not need to be replaced, so that the service life of the heat preservation pipe is greatly prolonged, and the practical effect is good;

2. the heat-insulation outer pipe can be conveniently installed on the inner pipe or detached from the inner pipe, so that the heat-insulation outer pipe can be conveniently installed and replaced, the structure is simple, the operation is convenient, and the using effect is good.

Drawings

FIG. 1 is a sectional view of a side structure of a long-life thermal insulation pipe of the present invention;

FIG. 2 is a schematic side view of a long-life thermal insulation pipe according to the present invention;

fig. 3 is an enlarged view of the structure of part a of the thermal insulation pipe of the utility model, which has a long service life.

In the figure: 1 inner tube, 2 annular fixed blocks, 3 semi-annular outer tubes, 4 heat preservation, 5 limiting plates, 6 mounting grooves, 7 movable rods, 8 springs, 9 limiting grooves, 10 sealed outer tubes, 11 sealed connecting blocks, 12 connecting plates, 13 connecting screws and 14 fastening nuts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a long-life thermal insulation pipe comprises an inner pipe 1, a plurality of annular fixed blocks 2 are fixedly installed on the outer side wall of the inner pipe 1 at equal intervals, a thermal insulation outer pipe is detachably installed between every two adjacent annular fixed blocks 2, the thermal insulation outer pipe comprises two semi-annular outer pipes 3 which are connected with each other, thermal insulation layers 4 which are matched with the inner pipe 1 are fixedly installed on the inner side walls of the two semi-annular outer pipes 3, the thermal insulation layers 4 are tightly contacted with the inner pipe 1, positioning devices are arranged between the two semi-annular outer pipes 3 and the annular fixed blocks 2 and comprise two limiting plates 5 which are movably installed at the two ends of the semi-annular outer pipes 3, mounting grooves 6 which are matched with the limiting plates 5 are formed at the two ends of the semi-annular outer pipes 3, a plurality of movable rods 7 are movably inserted on the inner side walls of the two mounting grooves 6, and one ends of, all around being equipped with spring 8 on every movable rod 7, and spring 8's both ends respectively fixed mounting on the lateral wall of limiting plate 5 and the inside wall of mounting groove 6, limiting plate 5 all can freely remove by the horizontal direction.

Offer the spacing groove 9 of mutually supporting with limiting plate 5 on the annular fixed block 2, after two semi-annular outer tubes 3 contacted each other, spring 8 is because resume self elasticity can promote the one end of limiting plate 5 and remove to spacing groove 9 in to can be with two semi-annular outer tubes 3 fixed mounting between two adjacent annular fixed blocks 2.

The lateral wall that 3 one end of semicircular outer tube was kept away from to two limiting plates 5 is the inclined plane, and the inclined plane of limiting plate 5 receives to remove to mounting groove 6 in after the extrusion to be convenient for pull down limiting plate 5 and semicircular outer tube 3 from between two adjacent annular fixed blocks 2.

Equal fixed mounting has the sealed outer tube 10 of mutually supporting with annular fixed block 2 on the lateral wall of two semi-annular outer tubes 3, equal fixed mounting has sealing connection piece 11 on the inside wall at every sealed outer tube 10 both ends, all sets up the spread groove of mutually supporting with sealing connection piece 11 on every annular fixed block 2, and sealing connection piece 11 all inserts and establishes in the spread groove, can promote the leakproofness that sealed outer tube 10 and annular fixed block 2 are connected.

Be equipped with fixed connection device between two sealed outer tubes 10, fixed connection device includes four connecting plates 12 of symmetry fixed mounting on two sealed outer tubes 10, insert jointly on two adjacent connecting plates 12 and be equipped with a plurality of connecting screw 13, equal threaded connection has fastening nut 14 on every connecting screw 13, can be convenient with the outer tube installation that keeps warm to the inner tube 1 on or pull down from the inner tube 1, thereby can be convenient install and change the outer tube that keeps warm, moreover, the steam generator is simple in structure, and the operation is convenient, and the use effect is good.

The utility model discloses in, insert two semi-ring outer tubes 3 jointly and establish between two adjacent annular fixed blocks 2 and make two sealed outer tubes 10 all with annular fixed block 2 in close contact with, after two semi-ring outer tubes 3 contacted each other, spring 8 removes to the spacing groove 9 in owing to resume self elasticity can promote limiting plate 5's one end, just can be with the help of connecting plate 12 after two sealed outer tubes 10 contacted each other, connecting screw 13 and fastening nut 14 with two sealed outer tubes 10 and two semi-ring outer tube 3 fixed mounting on inner tube 1.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a long service life's insulating tube, includes inner tube (1), its characterized in that: equidistant fixed mounting has a plurality of annular fixed blocks (2) on the lateral wall of inner tube (1), adjacent two equal demountable installation has heat preservation outer tube between annular fixed block (2), heat preservation outer tube includes interconnect's two semi-ring shaped outer tube (3), two equal fixed mounting has heat preservation (4) of mutually supporting with inner tube (1) on the inside wall of semi-ring shaped outer tube (3), and heat preservation (4) all with inner tube (1) each other in close contact with, two all be equipped with positioner, two between semi-ring shaped outer tube (3) and annular fixed block (2) equal fixed mounting has sealed outer tube (10) of mutually supporting with annular fixed block (2) on the lateral wall of semi-ring shaped outer tube (3), two be equipped with fixed connection device between sealed outer tube (10).

2. A long-life insulating pipe according to claim 1, characterized in that: the positioning device comprises two limiting plates (5) movably arranged at two ends of the semi-annular outer tube (3), and limiting grooves (9) matched with the limiting plates (5) are formed in the annular fixing block (2).

3. A long-life insulating pipe according to claim 2, characterized in that: mounting groove (6) of mutually supporting with limiting plate (5), two are all seted up at the both ends of semi-ring outer tube (3) all can move about on the inside wall of mounting groove (6) and insert and be equipped with a plurality of movable rods (7), and the equal fixed mounting of one end on limiting plate (5), every of mounting groove (6) is kept away from in movable rod (7) all around being equipped with spring (8) on movable rod (7), and the both ends difference fixed mounting of spring (8) is on the inside wall of the lateral wall of limiting plate (5) and mounting groove (6).

4. A long-life insulating pipe according to claim 2, characterized in that: the outer side walls of the two limiting plates (5) far away from one end of the semi-annular outer tube (3) are inclined planes.

5. A long-life insulating pipe according to claim 1, characterized in that: every equal fixed mounting has sealing connecting block (11), every on the inside wall at sealed outer tube (10) both ends all set up the spread groove of mutually supporting with sealing connecting block (11) on annular fixed block (2), and sealing connecting block (11) all insert and establish in the spread groove.

6. A long-life insulating pipe according to claim 1, characterized in that: the fixed connection device comprises four connecting plates (12) which are symmetrically and fixedly installed on two sealed outer tubes (10), a plurality of connecting screw rods (13) are inserted into the two adjacent connecting plates (12) together, and each connecting screw rod (13) is connected with a fastening nut (14) in a threaded mode.