CN212643783U - Sleeve type heat preservation pipe - Google Patents

Abstract

The utility model discloses a telescopic insulating tube relates to the insulating tube field, including the protective sheath, the inboard of protective sheath is connected with the heat preservation, and the inboard of heat preservation is connected with the outer tube, the inside of outer tube is provided with the cavity, and the inboard of cavity is connected with the inner tube, the one end of inner tube is connected with extends the piece, and extends the outside of piece and be connected with the external screw thread, the inner tube is kept away from the one end that extends the piece and is connected with the internal thread, the outside of protective sheath is connected with the connecting piece, and the inside of connecting piece is provided with the pivot, the one end of. The utility model discloses a protective sheath, heat preservation, outer tube, cavity, inner tube, the extension piece that sets up have realized that the heat preservation constitutes one-level heat preservation, and outer tube, cavity and inner tube have constituted the second grade and have kept warm, and dual heat preservation can be so that the heat preservation effect of pipeline is better, and the cavity makes heat exchange efficiency reduce to the waste of heat energy has been reduced, makes the material temperature change of transportation little.

Description

Sleeve type heat preservation pipe

Technical Field

The utility model relates to a thermal insulation pipe field specifically is a telescopic thermal insulation pipe.

Background

The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, and is used for heat preservation of heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot springs, military, central heating, central air conditioning, municipal administration and the like.

The existing heat preservation pipe is single in structure, poor in heat preservation effect and poor in connectivity at the connection position of the existing heat preservation pipe, after the heat preservation pipe is connected with the pipeline, the heat preservation pipe is not protected in a sealing mode, rainwater can enter the heat preservation pipe, and therefore the heat preservation pipe is affected with damp and mildewed, and the heat preservation effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing heat-insulating pipe is single in structure, poor in heat-insulating effect and poor in connectivity at the joint of the existing heat-insulating pipe, after the existing heat-insulating pipe is connected with the pipeline, the heat-insulating layer is not protected in a sealing mode, rainwater possibly enters the heat-insulating layer, so that the heat-insulating layer is affected with damp and mildew, and the heat-insulating effect is affected, the sleeve type heat-insulating pipe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a telescopic insulating tube, includes the protective sheath, the inboard of protective sheath is connected with the heat preservation, and the inboard of heat preservation is connected with the outer tube, the inside of outer tube is provided with the cavity, and the inboard of cavity is connected with the inner tube, the one end of inner tube is connected with extends the piece, and extends the outside of piece and be connected with the external screw thread, the inner tube is kept away from the one end that extends the piece and is connected with the internal thread, the outside of protective sheath is connected with the connecting piece, and the inside of connecting piece is provided with the pivot, the one end of pivot is connected with the connecting block, and the.

Preferably, a supporting block is arranged between the protective sleeve and the outer tube, the supporting blocks are located at two ends of the inner portion of the protective sleeve, and the protective sleeve is fixedly connected with the outer tube through the supporting blocks.

Preferably, the cavity, the outer pipe and the inner pipe are arranged between the cavity and the two ends of the outer pipe and the inner pipe are both provided with fixing blocks, the outer pipe and the inner pipe are fixedly connected through the fixing blocks, and the inner pipe is of a hollow cylinder structure without a top and a bottom.

Preferably, external screw thread and internal thread phase-match, the quantity of connecting piece is two sets of, two sets of the connecting piece is connected through the pivot rotation, and two sets of the connecting piece all with connecting block fixed connection.

Preferably, the number of bolts is two sets of, and two sets of the outside of bolt all is connected with the nut, sealed pad and connecting piece fixed connection.

Preferably, the number of the sealing gaskets is three, wherein two groups of the sealing gaskets are respectively positioned at the inner side of the connecting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a protective sheath, heat preservation, outer tube, cavity, inner tube, the extension piece that sets up have realized that the heat preservation constitutes one-level heat preservation, and outer tube, cavity and inner tube have constituted the second grade and have kept warm, and dual heat preservation can be so that the heat preservation effect of pipeline is better, and the cavity makes heat exchange efficiency reduce to the waste of heat energy has been reduced, makes the material temperature change of transportation little.

2. The utility model discloses an extension piece, the external screw thread, the internal thread, the supporting shoe, the connecting piece, the apparatus further comprises a rotating shaft, the connecting block, the bolt, the nut and sealed the pad that set up, when having realized connecting two sets of insulating tubes, can utilize external screw thread and internal thread to connect, finish the back with two sets of insulating tube connections, can utilize sealed pad extrusion in junction erection joint spare, make and seal between two sets of insulating tubes, thereby reduce the probability that steam got into the heat preservation inside, avoid the heat preservation to wet and go mildy, influence the heat preservation effect.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the threaded connection structure of the present invention;

FIG. 3 is a schematic view of the sealing member of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a protective sleeve; 2. a heat-insulating layer; 3. an outer tube; 4. a cavity; 5. an inner tube; 6. an extension block; 7. an external thread; 8. an internal thread; 9. a support block; 10. a connecting member; 11. a rotating shaft; 12. connecting blocks; 13. a bolt; 14. a nut; 15. and a gasket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Please refer to fig. 1-4, a sleeve type thermal insulation pipe, including a protective sleeve 1, an inner side of the protective sleeve 1 is connected with a thermal insulation layer 2, an inner side of the thermal insulation layer 2 is connected with an outer pipe 3, an inner portion of the outer pipe 3 is provided with a cavity 4, an inner side of the cavity 4 is connected with an inner pipe 5, one end of the inner pipe 5 is connected with an extension block 6, an outer side of the extension block 6 is connected with an external thread 7, one end of the inner pipe 5 away from the extension block 6 is connected with an internal thread 8, an outer side of the protective sleeve 1 is connected with a connecting piece 10, an inner portion of the connecting piece 10 is provided with a rotating shaft 11, one end of the rotating.

The utility model discloses a protective sheath 1, heat preservation 2, outer tube 3, cavity 4, inner tube 5, the extension piece 6 that sets up have realized that heat preservation 2 constitutes the one-level and keep warm, and outer tube 3, cavity 4 and inner tube 5 have constituted the second grade and have kept warm, and dual heat preservation can be so that the heat preservation effect of pipeline is better, and cavity 4 makes heat exchange efficiency reduce to the waste of heat energy has been reduced, makes the material temperature change of transportation little.

Please refer to fig. 4 again, supporting blocks 9 are disposed between the protecting sleeve 1 and the outer tube 3, the supporting blocks 9 are disposed at two ends of the protecting sleeve 1, the protecting sleeve 1 and the outer tube 3 are fixedly connected through the supporting blocks 9, the number of the supporting blocks is six, and the six groups of supporting blocks 9 are symmetrically disposed about the longitudinal central axis of the protecting sleeve 1.

Please refer to fig. 1, the cavity 4 is disposed between the outer tube 3 and the inner tube 5, and the two ends of the outer tube 3 and the inner tube 5 are both provided with fixing blocks, the outer tube 3 and the inner tube 5 are fixedly connected by the fixing blocks, the inner tube 5 is a hollow cylinder structure without top and bottom, and the heat insulation layer 2 is made of polyurethane.

Please refer to fig. 2, the external threads 7 are matched with the internal threads 8, the number of the connecting members 10 is two, the two connecting members 10 are rotatably connected through a rotating shaft 11, the two connecting members 10 are both fixedly connected with a connecting block 12, the threaded connection is convenient to install, and the connecting members 10 are movably connected with the protective sleeve 1.

Please refer to fig. 3, the number of the bolts 13 is two, the outer sides of the two groups of bolts 13 are both connected with nuts 14, the sealing gasket 15 is fixedly connected with the connecting member 10, the inside of the connecting block 12 is provided with threaded holes matched with the bolts 13, and the number of the threaded holes is two.

Please refer to fig. 3, the number of the sealing gaskets 15 is three, wherein two groups of the sealing gaskets 15 are respectively located at the inner side of the connecting block 12, the sealing gaskets 15 are made of sealing rubber, when the nut 14 is tightened, the sealing gaskets 15 are extruded at the outer side of the heat preservation pipe and are in close contact with the gap, so as to prevent water vapor from entering the interior of the heat preservation layer 2 through the gap.

The working principle is as follows: when in use, the heat preservation pipes are firstly installed, the external threads 7 at one end of the first group of heat preservation pipes are connected with the internal threads 8 at one end of the second group of heat preservation pipes, so that the internal pipes 5 inside the two groups of heat preservation pipes are connected to achieve the purpose of fastening connection, then the connecting pieces 10 are installed at the joints of the two groups of heat preservation pipes, the rotating shaft 11 is rotated, so that the two groups of connecting pieces 10 are positioned at the joints of the two groups of heat preservation pipes, then the bolts 13 are utilized to enable the bolts 13 to penetrate through the two groups of connecting blocks 12, the nuts 14 are screwed to enable the two groups of connecting blocks 12 to be gradually tightened, the sealing gaskets 15 are gradually compressed outside the joints, the sealing gaskets 15 are made of sealing rubber materials and are tightly connected with the joints, the possibility of water vapor entering from the joints can be reduced, the possibility that the heat preservation layer 2 is affected, because be provided with cavity 4 between inner tube 5 and the outer tube 3, so the heat-insulating effect between inner tube 5 and the outer tube 3 is good, and heat transfer efficiency is low, including the heat preservation 2 in the outside for the heat preservation effect is better, and the material temperature change of heat preservation pipe transportation is little.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A sleeve type thermal insulation pipe comprises a protective sleeve (1) and is characterized in that: the utility model discloses a heat preservation, including protective sheath (1), inner side, outer tube (3), inner tube (5), extension piece (6), and the outside of extension piece (6) is connected with external screw thread (7), the one end that extends piece (6) is kept away from in inner tube (5) is connected with internal thread (8), the outside of protective sheath (1) is connected with connecting piece (10), and the inside of connecting piece (10) is provided with pivot (11), the one end of pivot (11) is connected with connecting block (12), and the inside of connecting block (12) is provided with bolt (13), the inboard of connecting piece (10) is connected with sealed pad (15).

2. The insulated telescopic tube according to claim 1, wherein: be provided with supporting shoe (9) between protective sheath (1) and outer tube (3), and supporting shoe (9) are located the inside both ends of protective sheath (1), protective sheath (1) and outer tube (3) pass through supporting shoe (9) fixed connection.

3. The insulated telescopic tube according to claim 1, wherein: between cavity (4) and outer tube (3) and inner tube (5), and the both ends of outer tube (3) and inner tube (5) all are provided with the fixed block, outer tube (3) pass through fixed block fixed connection with inner tube (5), inner tube (5) are the cylinder structure of cavity nothing top bottomless.

4. The insulated telescopic tube according to claim 1, wherein: external screw thread (7) and internal thread (8) phase-match, the quantity of connecting piece (10) is two sets of, two sets of connecting piece (10) are rotated through pivot (11) and are connected, and two sets of connecting piece (10) all with connecting block (12) fixed connection.

5. The insulated telescopic tube according to claim 1, wherein: the quantity of bolt (13) is two sets ofly, two sets of the outside of bolt (13) all is connected with nut (14), sealed pad (15) and connecting piece (10) fixed connection.

6. The insulated telescopic tube according to claim 1, wherein: the number of the sealing gaskets (15) is three, wherein two groups of the sealing gaskets (15) are respectively positioned on the inner side of the connecting block (12).

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