CN211821104U

CN211821104U - Heat-preserving PVC pipe

Info

Publication number: CN211821104U
Application number: CN201922090282.XU
Authority: CN
Inventors: 袁程会
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-10-30
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a heat-insulating PVC pipe, which comprises an inner pipe, wherein the outer wall of the inner pipe is sleeved with an interlayer, the outer wall of the interlayer is sleeved with an outer pipe, and the outer wall of the outer pipe is sleeved with a heat-insulating sleeve; the heat-insulating sleeve comprises an inner layer, a heat-insulating layer and an outer layer; the inner wall of the inner layer is sleeved with the outer wall of the outer pipe, the outer wall of the inner layer is bonded with the inner wall of the heat-insulating layer, and the outer wall of the heat-insulating layer is sleeved with the outer layer. Thereby realizing the heat preservation of the PVC pipe. This heat retaining PVC pipe: through the cooperation of commentaries on classics piece, self tapping thread bush and spread groove, realized the connection preparation between two PVC pipes, through first connecting seat, first sleeve, second connecting seat and the telescopic cooperation of second, realized the connection between two connecting seats to the intercommunication of two PVC pipes has been realized. Through above-mentioned structure, realized the stable intercommunication between two PVC pipes to make whole mechanism have good warmth retention property, and have splendid cold resistance, increase life.

Description

Heat-preserving PVC pipe

Technical Field

The utility model relates to a PVC manages technical field, specifically is a heat retaining PVC pipe.

Background

The PVC pipe is a plastic pipe which is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, and is developed and applied at the earliest time. For example, patent No. CN201820339220.0 includes: inner and outer tubes: the outer pipe is tightly attached to and wrapped outside the inner pipe; and a first corrosion-resistant layer is arranged on one side of the inner pipe, which is far away from the outer pipe. Although the problems of low strength and poor corrosion resistance of the existing PVC pipe can be effectively solved, the problem that the PVC pipe is poor in heat insulation and is extremely easy to damage in cold weather can not be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat retaining PVC pipe to the PVC pipe heat preservation that proposes in solving above-mentioned background art is poor, makes cold weather, the very easily damaged problem of PVC pipe.

In order to achieve the above object, the utility model provides a following technical scheme: a heat-insulating PVC pipe comprises an inner pipe, wherein an interlayer is sleeved on the outer wall of the inner pipe, an outer pipe is sleeved on the outer wall of the interlayer, and a heat-insulating sleeve is sleeved on the outer wall of the outer pipe;

the heat-insulating sleeve comprises an inner layer, a heat-insulating layer and an outer layer;

the inner wall of the inner layer is sleeved with the outer wall of the outer pipe, the outer wall of the inner layer is bonded with the inner wall of the heat-insulating layer, and the outer wall of the heat-insulating layer is sleeved with the outer layer. Thereby realizing the heat preservation of the PVC pipe.

Preferably, the inner tube is coaxial with the outer tube.

Preferably, one end of the inner pipe is provided with a mounting seat;

the mounting seat comprises a rotating block, a self-tapping thread sleeve and a connecting groove;

one side of the rotating block and one end of the self-tapping thread sleeve are integrally formed, a connecting groove is formed in the other end of the rotating block, the self-tapping thread sleeve is connected with the inner pipe thread, and a sealing ring is attached to the connecting groove. Thereby preparing for connection.

Preferably, the rotating block, the self-tapping thread sleeve and the connecting groove are coaxial, and the self-tapping thread of the self-tapping thread sleeve is machined on the outer wall.

Preferably, a first connecting mechanism is installed in the connecting groove;

the first connecting mechanism comprises a first connecting seat and a first sleeve;

the left end and the first sleeve integrated into one piece of first connecting seat, first connecting seat cup joints with the spread groove mutually, first connecting seat passes through bolt and right side commentaries on classics piece looks rigid coupling, first telescopic inner wall and seal bearing's outer lane interference fit. So that the mounting seat can stably rotate to facilitate mounting.

Preferably, the first connecting seat is an annular structure, and the first connecting seat is coaxial with the first sleeve.

Preferably, the inner ring of the sealed bearing is in interference fit with the second connecting mechanism;

the second connecting mechanism comprises a second connecting seat and a second sleeve;

the right end of the second connecting seat and the second sleeve are integrally formed, the outer wall of the second sleeve is in interference fit with the inner ring of the sealing bearing, and the second connecting seat is sleeved with the left connecting groove and is fixedly connected with the rotating block through a bolt. The connection of the two mounting seats is realized through the matching with the first connecting mechanism, so that the communication of the two PVC pipes is completed.

Preferably, the second connecting seat is of an annular structure, and the second connecting seat is coaxial with the second sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: this heat retaining PVC pipe:

through the cooperation of inner tube, outer tube and intermediate layer, from the intercommunication of the different diameter PVC pipes of being convenient for, through inlayer, heat preservation and outer cooperation, realized the heat preservation to the PVC body for whole mechanism has good cold resistance.

Through the cooperation of commentaries on classics piece, self tapping thread bush and spread groove, realized the connection preparation between two PVC pipes, through first connecting seat, first sleeve, second connecting seat and the telescopic cooperation of second, realized the connection between two connecting seats to the intercommunication of two PVC pipes has been realized.

Through above-mentioned structure, realized the stable intercommunication between two PVC pipes to make whole mechanism have good warmth retention property, and have splendid cold resistance, increase life.

Drawings

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

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the first coupling seat and seal bearing arrangement of FIG. 1;

fig. 4 is a schematic view of the inner and outer tube structures of fig. 1.

In the figure: 1. the inner tube, 2, the outer tube, 3, the intermediate layer, 4, the insulation cover, 401, the inlayer, 402, the heat preservation, 403, the skin, 5, the mount pad, 501, the commentaries on classics piece, 502, self tapping thread bush, 503, the spread groove, 6, the sealing washer, 7, first coupling mechanism, 701, first coupling seat, 702, first sleeve, 8, second coupling mechanism, 801, second connecting seat, 802, second sleeve, 9, sealed bearing.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a heat-insulating PVC pipe comprises an inner pipe 1, wherein an interlayer 3 is sleeved on the outer wall of the inner pipe 1, an outer pipe 2 is sleeved on the outer wall of the interlayer 3, and a heat-insulating sleeve 4 is sleeved on the outer wall of the outer pipe 2; the insulating sleeve 4 comprises an inner layer 401, an insulating layer 402 and an outer layer 403; the inner wall of the inner layer 401 is sleeved with the outer wall of the outer pipe 2, the outer wall of the inner layer 401 is bonded with the inner wall of the heat-insulating layer 402, and the outer wall of the heat-insulating layer 402 is sleeved with the outer layer 403. The inner tube 1 is coaxial with the outer tube 2. Inner tube 1 and outer tube 2 are the PVC pipe of the size difference, and intermediate layer 3's material is polyurethane to realize certain thermal insulation performance, inlayer 401 is the aluminium foil, thereby provides good wearability for heat preservation 4, and heat preservation 402 is the polyurethane layer, and outer 403's material is rubber.

One end of the inner pipe 1 is provided with a mounting seat 5; the mounting seat 5 comprises a rotating block 501, a self-tapping thread sleeve 502 and a connecting groove 503; one side of the rotary block 501 and one end of the self-tapping thread sleeve 502 are integrally formed, the other end of the rotary block 501 is provided with a connecting groove 503, the self-tapping thread sleeve 502 is in thread connection with the inner pipe 1, and a sealing ring 6 is attached to the inside of the connecting groove 503. The rotor 501, the tapping screw 502, and the connecting groove 503 are coaxial, and the tapping screw of the tapping screw 502 is formed in the outer wall. The self-tapping screw sleeve 502 can be fixed to the connecting socket 5 on the inner tube 1, thereby facilitating subsequent installation.

A first connecting mechanism 7 is arranged in the connecting groove 503; the first connecting mechanism 7 includes a first connecting seat 701 and a first sleeve 702; the left end of the first connecting seat 701 and the first sleeve 702 are integrally formed, the first connecting seat 701 is sleeved with the connecting groove 503, the first connecting seat 701 is fixedly connected with the right rotating block 501 through a bolt, and the inner wall of the first sleeve 702 is in interference fit with the outer ring of the sealing bearing 9. The first connecting seat 701 is an annular structure, and the first connecting seat 701 is coaxial with the first sleeve 702. The inner ring of the sealed bearing 9 is in interference fit with the second connecting mechanism 8; the second connection mechanism 8 includes a second connection seat 801 and a second sleeve 802; the right end of the second connecting seat 801 and the second sleeve 802 are integrally formed, the outer wall of the second sleeve 802 is in interference fit with the inner ring of the sealing bearing 9, and the second connecting seat 801 is sleeved with the left connecting groove 503 and is fixedly connected with the rotating block 501 through a bolt. The second connecting seat 801 is a ring structure, and the second connecting seat 801 is coaxial with the second sleeve 802. The first sleeve 702 and the second sleeve 802 can be stably rotated by the seal bearing 9.

In use, the two mounting seats 5, the two sealing rings 6, the first connecting mechanism 7 and the second connecting mechanism 8 are used together as a whole.

When the whole mechanism is in use, the heat preservation layer 402 can provide good heat preservation for the whole pipe body, thereby increasing the cold tolerance. When two PVC pipes need to communicate, with self tapping thread cover 502 to the right side mouth of pipe, through instrument rotation turning block 501 such as spanner, make turning block 501 drive self tapping thread cover 502 screw in inner tube 1 under self tapping screw's effect, in order to realize the installation of right side mount pad 5, the back is accomplished in the installation of right side mount pad 5, pull left mount pad 5 and the alignment of left side mouth of pipe, and rotate left side turning block 501 through instrument such as spanner and rotate, thereby drive left side self tapping thread cover 502 screw in left side inner tube 1 under self tapping screw's effect, meanwhile, left side turning block 501 drives the rotation of second connecting seat 801 in the connecting groove 503 of left side, thereby drive second sleeve 802 and stably rotate under sealed bearing 9's effect, through the aforesaid operation, the connection between two bodys has been realized.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A thermal-insulated PVC pipe which characterized in that: the heat insulation pipe comprises an inner pipe (1), wherein an interlayer (3) is sleeved on the outer wall of the inner pipe (1), an outer pipe (2) is sleeved on the outer wall of the interlayer (3), and a heat insulation sleeve (4) is sleeved on the outer wall of the outer pipe (2);

the heat-insulating sleeve (4) comprises an inner layer (401), a heat-insulating layer (402) and an outer layer (403);

the inner wall of the inner layer (401) is sleeved with the outer wall of the outer pipe (2), the outer wall of the inner layer (401) is bonded with the inner wall of the heat insulation layer (402), and the outer wall of the heat insulation layer (402) is sleeved with the outer layer (403).

2. A thermal insulating PVC pipe as claimed in claim 1, characterised in that: the inner pipe (1) and the outer pipe (2) are coaxial.

3. A thermal insulating PVC pipe as claimed in claim 1, characterised in that: one end of the inner pipe (1) is provided with a mounting seat (5);

the mounting seat (5) comprises a rotating block (501), a self-tapping thread sleeve (502) and a connecting groove (503);

the one side of commentaries on classics piece (501) and the one end integrated into one piece of self tapping thread bush (502), spread groove (503) have been seted up to the other end of commentaries on classics piece (501), self tapping thread bush (502) and inner tube (1) threaded connection, laminating has sealing washer (6) in spread groove (503).

4. A thermal insulating PVC pipe according to claim 3, characterised in that: the rotary block (501), the self-tapping thread sleeve (502) and the connecting groove (503) are coaxial, and the self-tapping thread of the self-tapping thread sleeve (502) is machined on the outer wall.

5. A thermal insulating PVC pipe according to claim 3, characterised in that: a first connecting mechanism (7) is arranged in the connecting groove (503);

the first connection mechanism (7) comprises a first connection seat (701) and a first sleeve (702);

the left end and the first sleeve (702) integrated into one piece of first connecting seat (701), first connecting seat (701) cup joint mutually with spread groove (503), first connecting seat (701) are changeed piece (501) looks rigid coupling through bolt and right side, the inner wall of first sleeve (702) and the outer lane interference fit of sealed bearing (9).

6. An insulated PVC pipe according to claim 5, characterised in that: the first connecting seat (701) is of an annular structure, and the first connecting seat (701) is coaxial with the first sleeve (702).

7. An insulated PVC pipe according to claim 5, characterised in that: the inner ring of the sealed bearing (9) is in interference fit with the second connecting mechanism (8);

the second connecting mechanism (8) comprises a second connecting seat (801) and a second sleeve (802);

the right end of the second connecting seat (801) and the second sleeve (802) are integrally formed, the outer wall of the second sleeve (802) is in interference fit with the inner ring of the sealing bearing (9), and the second connecting seat (801) is sleeved with the left connecting groove (503) and is fixedly connected with the rotating block (501) through a bolt.

8. An insulated PVC pipe according to claim 7, characterised in that: the second connecting seat (801) is of an annular structure, and the second connecting seat (801) is coaxial with the second sleeve (802).