CN208735081U

CN208735081U - A kind of reducing connecting tube applied widely

Info

Publication number: CN208735081U
Application number: CN201821480950.9U
Authority: CN
Inventors: 高佩长
Original assignee: TIANJIN PETROCHEMICAL PIPE FITTINGS CO Ltd
Current assignee: TIANJIN PETROCHEMICAL PIPE FITTINGS CO Ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2019-04-12
Anticipated expiration: 2028-09-11

Abstract

The utility model discloses a kind of reducing connecting tubes applied widely, including hose, it is fixedly installed with first flange and second flange respectively on the lateral wall at the hose both ends, rubber seal is equipped on the inner sidewall of the first flange and second flange, telescopic rod mother's bar is fixedly installed on the roof of the hose middle-end, it is inserted with the first telescopic rod sub bar and the second telescopic rod sub bar respectively on the lateral wall at the telescopic rod mother bar both ends, and first telescopic rod sub bar and the second telescopic rod sub bar be respectively and fixedly installed on the lateral wall of first flange and second flange far from one end of telescopic rod mother's bar, the both ends of the telescopic rod mother bar are fixedly installed with the first fastening screw and the second fastening screw respectively, the bottom end of the hose is equipped with guide pipe.The utility model is suitable for the connection of the pipe of small lot different tube diameters, avoids since it is desired that the independent molding production of a small number of reduced pipes, has not only saved manufacturing time, also reduced use cost.

Description

A kind of reducing connecting tube applied widely

Technical field

The utility model relates to connecting tube technical fields, more particularly to a kind of reducing connecting tube applied widely.

Background technique

Reduced pipe is called concentric reducer, the connection of the pipe for two kinds of different tube diameters, be for pipeline reducing diameter at one kind Pipe fitting, the forming technology generallyd use is that undergauge compacting, expanding compacting or undergauge add expanding compacting, to the reduced pipe of certain specifications It can also be used stamping.

In the prior art, if necessary to the pipe of two kinds of different tube diameters of connection, big city is raw according to the diameter of two pipes Suitable reduced pipe is produced to be attached, but the negligible amounts of connecting tube if necessary, in order to which several reduced pipes are individually gone Molding production, not only wastes the more time, nor cost-effective, needs to make improvements this.

Utility model content

Purpose of the utility model is to solve the small problems of the reduced pipe scope of application in the prior art, and one proposed Kind reducing connecting tube applied widely.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of reducing connecting tube applied widely, including hose, fixed peace respectively on the lateral wall at the hose both ends Equipped with first flange and second flange, rubber seal is equipped on the inner sidewall of the first flange and second flange, it is described It is fixedly installed with telescopic rod mother's bar on the roof of hose middle-end, is inserted on the lateral wall at the telescopic rod mother bar both ends respectively One telescopic rod sub bar and the second telescopic rod sub bar, and the first telescopic rod sub bar and the second telescopic rod sub bar are far from telescopic rod mother's bar One end is respectively and fixedly installed on the lateral wall of first flange and second flange, and the both ends of the telescopic rod mother bar are fixed respectively to pacify Equipped with the first fastening screw and the second fastening screw, the bottom end of the hose is equipped with guide pipe.

Preferably, the rubber seal includes outer ring, mesosphere and inner ring, and the outer ring is respectively and fixedly installed to first On flange and the inner sidewall of second flange, the mesosphere and inner ring are connected in outer ring.

Preferably, limited block there are two being symmetrically installed on the lateral wall of the inner ring and mesosphere, the outer ring is in Between offer and the mutually matched limiting slot of limited block on the inner sidewall that encloses.

Preferably, liquid epoxy dope layer is uniformly provided on the inner sidewall of the hose.

Preferably, graduation mark is uniformly provided on the lateral wall of the hose.

Preferably, the guide pipe includes the fixed link being fixedly mounted on hose middle-end bottom wall, the fixed link both ends Lateral wall on be inserted with the first motion bar and the second motion bar respectively, and the first motion bar and the second motion bar are far from fixed link One end be respectively and fixedly installed on the lateral wall of first flange and second flange.

Preferably, the hose is reduced pipe, and the internal diameter of hose middle-end is less than the internal diameter at hose both ends.

Compared with prior art, the utility model has the advantages that:

1, the connection suitable for the pipe of small lot different tube diameters avoids since it is desired that the independent molding of a small number of reduced pipes is raw It produces, has not only saved manufacturing time, also reduced use cost；

2, the caliber of the pipe connected as needed installs appropriate number of rubber in first flange and second flange respectively Glue sealing ring, then first flange and second flange are moved into suitable position respectively, make to need the caliber of the pipe connected with it is adjacent The caliber of hose is similar, so that the different pipe of caliber to be connected to the both ends of hose, can be used for connecting different tube diameters Pipe, it is applied widely.

Detailed description of the invention

Fig. 1 be the utility model proposes one kind reducing connecting tube applied widely positive structure schematic；

Fig. 2 be the utility model proposes one kind reducing connecting tube applied widely side structure schematic diagram；

Fig. 3 be the utility model proposes one kind reducing connecting tube applied widely part A structure enlarged drawing.

In figure: 1 hose, 2 first flanges, 3 second flanges, 4 outer rings, 5 mesospheres, 6 inner rings, 7 limited blocks, 8 limiting slots, 9 Liquid epoxy dope layer, 10 graduation marks, 11 telescopic rod mother bars, 12 first telescopic rod sub bars, 13 second telescopic rod sub bars, 14 first Fastening screw, 15 second fastening screws, 16 fixed links, 17 first motion bars, 18 second motion bars.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of reducing connecting tube applied widely, including hose 1,1 retractable of hose, hose 1 For reduced pipe, and the internal diameter of 1 middle-end of hose is less than the internal diameter at 1 both ends of hose, when connecting the different pipe of caliber, can distinguish The both ends of hose 1 are squeezed to the middle-end of hose 1, so that the pipe of the caliber for the pipe for needing to connect and adjacent hose 1 Diameter is similar.

First flange 2 and second flange 3, first flange 2 and second are fixedly installed on the lateral wall at 1 both ends of hose respectively Rubber seal is equipped on the inner sidewall of flange 3, rubber seal includes outer ring 4, mesosphere 5 and inner ring 6, and outer ring 4 is distinguished It is fixedly mounted on the inner sidewall of first flange 2 and second flange 3, mesosphere 5 and inner ring 6 are connected in outer ring 4, even When the different pipe of adapter tube diameter, appropriate number of rubber seal is installed in first flange 2 and second flange 3 respectively, makes to need The caliber for the pipe to be connected is similar to the internal diameter of first flange 2 and second flange 3 respectively, so that it may will easily need to connect Pipe be connected in first flange 2 and second flange 3.

Limited block 7 there are two being symmetrically installed on the lateral wall of inner ring 6 and mesosphere 5, the inside of outer ring 4 and mesosphere 5 Offered on wall with the mutually matched limiting slot 8 of limited block 7, gag lever post 7 is inserted into limiting slot 8 respectively, so that it may convenient Mesosphere 5 and inner ring 6 be installed in outer ring 4, it is easy to operate.

Liquid epoxy dope layer 9 is uniformly provided on the inner sidewall of hose 1, liquid epoxy dope layer 9 is based on epoxy resin Film forming matter is wanted, mostly uses amine curing agent, liquid epoxy dope layer 9 has extremely strong adhesive force, excellent corrosion resistance and resistance to Mill property and good physical property, can prevent hose 1 to be damaged, ensure that the service life of hose 1.

It is uniformly provided with graduation mark 10 on the lateral wall of hose 1, is labeled with corresponding position hose 1 respectively on graduation mark 10 Internal diameter can be convenient and hose 1 is quickly contracted to suitable position when connecting the pipe of different tube diameters.

It is fixedly installed with telescopic rod mother bar 11 on the roof of 1 middle-end of hose, divides on the lateral wall at 11 both ends of telescopic rod mother bar It is not inserted with the first telescopic rod sub bar 12 and the second telescopic rod sub bar 13, and the first telescopic rod sub bar 12 and the second telescopic rod sub bar 13 one end far from telescopic rod mother bar 11 are respectively and fixedly installed on the lateral wall of first flange 2 and second flange 3, and telescopic rod is female The both ends of bar 11 are fixedly installed with the first fastening screw 14 and the second fastening screw 15 respectively, move first flange 2 and respectively Two flanges 3, first flange 2 and second flange 3 drive the first telescopic rod sub bar 12 and the second telescopic rod sub bar 13 to flexible respectively Bar mother bar 11 is mobile, so that hose 1 can be driven to shrink, rotates the first fastening screw 14 and the second fastening screw 15 respectively, Can be fixed by the first telescopic rod sub bar 12 and the second telescopic rod sub bar 13 respectively, so that hose 1 is fixed.

The bottom end of hose 1 is equipped with guide pipe, and guide pipe includes the fixed link 16 being fixedly mounted on 1 middle-end bottom wall of hose, The first motion bar 17 and the second motion bar 18, and the first motion bar 17 and are inserted on the lateral wall at 16 both ends of fixed link respectively Two motion bars 18 are respectively and fixedly installed on the lateral wall of first flange 2 and second flange 3 far from one end of fixed link 16, can be with The moving direction for limiting first flange 2, second flange 3 and hose 1 deviates when avoiding mobile.

In the utility model, the caliber of the pipe connected as needed is installed in first flange 2 and second flange 3 respectively Appropriate number of rubber seal makes the caliber of pipe for needing the to connect internal diameter phase with first flange 2 and second flange 3 respectively Seemingly, then respectively first flange 2 and second flange 3 are moved, first flange 2 and second flange 3 drive the first telescopic rod sub bar respectively 12 and second telescopic rod sub bar 13 it is mobile to telescopic rod mother bar 11, to drive hose 1 to shrink, according to what is marked on graduation mark 10 First flange 2 and second flange 3 are moved to suitable position respectively by the caliber of hose 1, make the caliber and phase that need the pipe connected The caliber of adjacent hose 1 is similar, the first fastening screw 14 and the second fastening screw 15 is rotated respectively, respectively by the first flexible pole Bar 12 and the second telescopic rod sub bar 13 are fixed, thus hose 1 is fixed, so that the different pipe of caliber is connected to hose 1 both ends.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of reducing connecting tube applied widely, including hose (1), it is characterised in that: the outside at hose (1) both ends First flange (2) and second flange (3), the inside of the first flange (2) and second flange (3) are fixedly installed on wall respectively It is equipped with rubber seal on wall, telescopic rod mother bar (11) is fixedly installed on the roof of hose (1) middle-end, it is described flexible The first telescopic rod sub bar (12) and the second telescopic rod sub bar (13), and are inserted on the lateral wall at bar mother bar (11) both ends respectively One telescopic rod sub bar (12) and the second telescopic rod sub bar (13) are respectively and fixedly installed to the far from one end of telescopic rod mother bar (11) On one flange (2) and the lateral wall of second flange (3), it is tight that the both ends of the telescopic rod mother bar (11) are fixedly installed with first respectively Gu the bottom end of screw (14) and the second fastening screw (15), the hose (1) is equipped with guide pipe.

2. one kind according to claim 1 reducing connecting tube applied widely, it is characterised in that: the rubber seal Including outer ring (4), mesosphere (5) and inner ring (6), the outer ring (4) is respectively and fixedly installed to first flange (2) and second flange (3) on inner sidewall, the mesosphere (5) and inner ring (6) are connected in outer ring (4).

3. one kind according to claim 2 reducing connecting tube applied widely, it is characterised in that: the inner ring (6) and There are two being symmetrically installed on the lateral wall of mesosphere (5) limited block (7), on the inner sidewall of the outer ring (4) and mesosphere (5) It offers and limited block (7) mutually matched limiting slot (8).

4. one kind according to claim 1 reducing connecting tube applied widely, it is characterised in that: the hose (1) Liquid epoxy dope layer (9) are uniformly provided on inner sidewall.

5. one kind according to claim 1 reducing connecting tube applied widely, it is characterised in that: the hose (1) Graduation mark (10) are uniformly provided on lateral wall.

6. one kind according to claim 1 reducing connecting tube applied widely, it is characterised in that: the guide pipe includes The fixed link (16) being fixedly mounted on hose (1) middle-end bottom wall is plugged respectively on the lateral wall at fixed link (16) both ends There are the first motion bar (17) and the second motion bar (18), and the first motion bar (17) and the second motion bar (18) are far from fixed link (16) one end is respectively and fixedly installed on the lateral wall of first flange (2) and second flange (3).

7. one kind according to claim 1 reducing connecting tube applied widely, it is characterised in that: the hose (1) is Reduced pipe, and the internal diameter of hose (1) middle-end is less than the internal diameter at hose (1) both ends.