CN2593007Y

CN2593007Y - Plastic communicating pipe

Info

Publication number: CN2593007Y
Application number: CN 03200104
Authority: CN
Inventors: 赖富栋
Original assignee: JINLONGJI INDUSTRY Co Ltd
Current assignee: JINLONGJI INDUSTRY Co Ltd
Priority date: 2003-01-02
Filing date: 2003-01-02
Publication date: 2003-12-17
Anticipated expiration: 2013-01-02

Abstract

The utility model relates to a plastic communicating pipe which comprises a hollow pipe body, a plurality of hollow directional pipe bodies, a plurality of connecting pieces and a plurality of annular rubber bodies, wherein the hollow pipe body has a plurality of pipe mouth ends; the hollow directional pipe bodies are respectively inserted into the pipe mouth ends of the pipe body; the connecting pieces are respectively sheathed on the outer wall face of each pipe mouth end of the pipe body and connect the pipe mouth ends of the pipe body and the directional pipe bodies; the annular rubber bodies are respectively sheathed among the outer surfaces of the directional pipe bodies and the inner wall face of each pipe mouth end of the pipe body. Thereby, when the plastic communicating pipe is used under a high-temperature or a low-temperature environment, sealing performance can not be influenced by heat expansion and cold contraction.

Description

Plastics connecting tube

[technical field]

The utility model relates to a kind of connecting tube, particularly relates to a kind of plastics connecting tube that is connected in water pipe line and is applicable to high and low temperature environment.

[background technique]

As shown in Figure 1, 2, existingly include the branch of the tube body 11 of a hollow, most hollows a kind of connecting tube 1 to body 12 and most bonding material 13.The tube body 11 of this hollow has most nose ends 111.This five equilibrium plugs respectively into this tube body 11 each nose end 111 inside to body 12, makes this five equilibrium can be connected with these tube body 11 inside to body 12 inside.These bonding materials 13 are adhered to the internal face of these tube body 11 each nose ends 111 and this five equilibrium respectively between the outer surface of body 12, each nose end 111 of this tube body 11 is connected to body 12 with this five equilibrium, and reaches the sealed against leakage state.Above-mentioned existing connecting tube 1, it is arranged at most nose ends 111 of this tube body 11 and divides most bonding materials 13 between body 12, though have anti-terminate in this tube body 11 and each minute to the water seepage flow of body 12 internal flows to outside function.If will be positioned over high temperature or low temperature place this connecting tube 1 when using, can make these bonding materials 13 produce the effect of rising-heat contracting-cold, even in case should be in low temperature subzero environment Celsius connecting tube 1 time, to make these bonding materials 13 produce shrinkage phenomenons and break away from these nose ends 111 or this five equilibrium to body 12, and make these nose ends 111 and this five equilibrium produce the gap to 12 of bodys, and lost sealing effect.And this kind by these bonding materials 13 with these nose ends 111 and divide juncture to body 12, in tearing the group process open, do not have a simplification, need to remove again problems such as glue or cutting pipeline when causing the winding pipeline.

[model utility content]

The purpose of this utility model is to provide a kind of plastics connecting tube that is used for water pipe line, applicable to operation under high and low latitudinal region or the high and low temperature environment, and has the easy advantage of disassembly and assembly.

The utility model provides a kind of plastics connecting tube, comprise a tube body with hollow of most nose ends, most plug respectively into the hollow branch of the nose end inside of this tube body to the outer wall of body, most these nose ends that are set in this tube body respectively and with the nose end of this tube body and this minute to the link that body is connected, it is characterized in that:

More include this plastics connecting tube most bundles of cover respectively in this minute the ring-shaped rubber body between the nose end internal face of the outer surface of body and this tube body, with formation sealed against leakage state.

Described plastics connecting tube, it is characterized in that: each nose end has a small aperture portion and a large aperture portion respectively in medial and lateral, and be formed with a shoulder in each portion place of engaging, large and small aperture, this ring-shaped rubber body is the large aperture portion that is positioned over this nose end respectively, and is resisted against this shoulder.

Described plastics connecting tube, it is characterized in that: the outer wall of each nose end of this tube body is provided with outside thread, and each link is provided with one around the surrounding wall of each minute to body, and is provided with the internal thread that screws with this outside thread at the internal surface of this surrounding wall.

[description of drawings]

Below by most preferred embodiment and accompanying drawing plastics of the present utility model connecting tube is elaborated, in the accompanying drawing:

Fig. 1 is the sectional perspective exploded view of existing a kind of connecting tube.

Fig. 2 is the local assembled sectional view of existing this connecting tube.

Fig. 3 is a three-dimensional exploded view, and the preferred embodiment of the utility model plastics connecting tube is described.

Fig. 4 is the local assembled sectional view of this preferred embodiment.

[embodiment]

As shown in Figure 3, Figure 4, the preferred embodiment of the utility model plastics connecting tube is to comprise the branch of the tube body of a hollow 2, most hollows to body 3 and most link 4.

This tube body 2 has most nose ends 21.The outer wall of each nose end 21 is formed with outside thread 211, and has one away from the small aperture portion 212 of ora terminalis and the large aperture portion 213 of a contiguous ora terminalis, and is formed with a shoulder 214 in these portion 213,212 places of engaging, large and small aperture.

This five equilibrium plugs nose end 21 inside into this tube body 2 respectively to body 3, makes this five equilibrium can be connected with these tube body 2 inside to body 3 inside.

Each link 4 have respectively one around each minute to the surrounding wall 41 of body 3, and be formed with the internal thread 411 that the outside thread 211 with this nose end 21 screws at the internal surface of each surrounding wall 41.These links 4 can be set in the outer wall of each nose end 21 of this tube body 2 respectively, and borrow screwing of these internal and external screw threads 411,211, and the nose end 21 of this tube body 2 is connected to body 3 with this five equilibrium.

Characteristic of the present utility model is: this plastics connecting tube more includes most ring-shaped rubber bodies 5, these ring-shaped rubber bodies 5 overlap respectively bundle at this five equilibrium between each nose end 21 internal face of the outer surface of body 3 and this tube body 2, and have the branch of these ring-shaped rubber bodies 5 to be positioned over the large aperture portion 213 of these nose ends 21 and to be resisted against this shoulder 214 these cover bundles to body 3, in order to form this preferred embodiment plastics connecting tube the inside and outside the sealed against leakage state.In this preferred embodiment, these ring-shaped rubber bodies 5 are made between-40 ℃ to+80 ℃ rubber material by temperature resistant range.

Therefore, at plastics of the present utility model in connecting tube, the ring-shaped rubber body 5 that these leak in order to prevent pipeline, and borrow these links 4 respectively with these nose ends 21 and the juncture that divides to body 3, have following several characteristics:

(1), because these ring-shaped rubber bodies 5 have thicker thickness, thereby can obtain bigger elastic compression space.Utilize these respectively between these nose ends 21 and divide ring-shaped rubber body 5 between body 3, the internal thread 411 of these links 4 is screwed mutually with each outside thread 211 of this tube body 2 respectively, and these ring-shaped rubber bodies 5 are compressed.When the low temperature environment that is in-40 ℃ the plastics connecting tube of this preferred embodiment uses down, these ring-shaped rubber bodies 5 still can closely be resisted against the internal face of these nose ends 21 and divide between the outer surface of body 3, plastics connecting tube of the present utility model cause these nose ends 21 and the gap of branch between body 3 to become big to avoid because of the shrinkage phenomenon of these ring-shaped rubber bodies 5, so can use under low temperature environment and tool prevents the effectiveness that current leak outside.

(2), the heatproof upper limit of these ring-shaped rubber bodies 5 can reach+80 ℃, when the plastics connecting tube of this preferred embodiment is in the working environment of high latitudes district or high temperature, these resistant to elevated temperatures ring-shaped rubber bodies 5 can not crossed problems such as formed curing of a specified duration and embrittlement because of being in hot environment, and have influence on the sealing of pipeline.

(3), the internal thread 411 of borrowing these links 4 screws mutually with the outside thread 211 of these nose ends 21 respectively, this kind with these nose ends 21 with divide to body 3 ways of connecting, can dispense in this existing connecting tube 1 the most bonding materials 13 that are bonded with each other to body 12 in order to each nose end 111 of this tube body 11 and each minute.And the juncture of the plastics connecting tube of this preferred embodiment can not need in replacing or unloading process except that shortcomings such as glue or cutting pipelines and cause because of the cull problem to 3 of bodys in each nose end 21 and branch yet.

Conclude above-mentionedly, plastics connecting tube of the present utility model, have really and use in high low latitudes, under the high low temperature operating environment of industrial quarters and characteristics such as simple and easy disassembly and assembly, so can reach the purpose of this utility model really.

Claims

1. plastics connecting tube, comprise a tube body with hollow of most nose ends, most plug respectively into the hollow branch of the nose end inside of this tube body to the outer wall of body, most these nose ends that are set in this tube body respectively and with the nose end of this tube body and this minute to the link that body is connected, it is characterized in that:

More include this plastics connecting tube most bundles of cover respectively in this minute the ring-shaped rubber body between the nose end internal face of the outer surface of body and this tube body.

2. plastics connecting tube as claimed in claim 1, it is characterized in that: each nose end has a small aperture portion and a large aperture portion respectively in medial and lateral, and be formed with a shoulder in each portion place of engaging, large and small aperture, this ring-shaped rubber body is the large aperture portion that is positioned over this nose end respectively, and is resisted against this shoulder.

3. plastics connecting tube as claimed in claim 1, it is characterized in that: the outer wall of each nose end of this tube body is provided with outside thread, and each link is provided with one around the surrounding wall of each minute to body, and is provided with the internal thread that screws with this outside thread at the internal surface of this surrounding wall.