CN209484143U - A kind of lower link bar type expansion joint - Google Patents
A kind of lower link bar type expansion joint Download PDFInfo
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- CN209484143U CN209484143U CN201822171610.4U CN201822171610U CN209484143U CN 209484143 U CN209484143 U CN 209484143U CN 201822171610 U CN201822171610 U CN 201822171610U CN 209484143 U CN209484143 U CN 209484143U
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- outer tube
- link block
- inner sleeve
- connecting flange
- link
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Abstract
The utility model discloses a kind of lower link bar type expansion joints, are related to high-temperature substance transportation art, in the prior art in order to make the same expansion joint be adapted to a variety of infields to solve the problems, such as.The first link block is provided on the outer surface of first connecting flange, and first there are three link blocks, the first fixture nut is provided on two side external surfaces of first link block, and first fixture nut have 12, the middle position of first link block is provided with major connector, and major connector has three, one end of first connecting flange is provided with the first bellows, one end of first bellows is provided with outer tube, outer tube link block is provided on the outer surface of the outer tube, and there are three outer tube link blocks, the second fixture nut is provided on two side external surfaces of the outer tube link block, and second fixture nut have 12.
Description
Technical field
The utility model relates to high-temperature substance transportation art, specially a kind of lower link bar type expansion joint.
Background technique
Expansion joint is traditionally also compensator or telescopic joint.By bellows (a kind of elasticity member for constituting its operative body
Part) and the attachmentes composition such as end pipe, bracket, flange, conduit.Caused by expansion joint is to compensate for because of temperature difference and mechanical oscillation
Additional stress, and a kind of flexible structure being arranged on container casing or pipeline utilize effectively stretching for its operative body bellows
Compression deformation, the change in size or compensation pipes generated with absorption line, conduit, container etc. by the reasons such as expanding with heat and contract with cold are led
The axial of pipe, container etc., transverse direction and angular displacement.It can also be used for noise-and-vibration-reduction, in heat supply, heat supply pipeline heats up in order to prevent
When, pipe deforming or destruction are caused due to thermal stretching or temperature stress, needs that compensator is arranged on pipeline, to compensate pipeline
Thermal stretching, thus reduce tube wall stress and act on the active force on valve member or supporting structure, it can be seen that expansion joint can
To apply in various fields.
Most of existing expansion joint is that size is fixed, and can be used only in specific place, in order to make the same expansion joint
It is adapted to a variety of infields；Therefore market in urgent need develops a kind of lower link bar type expansion joint to help people to solve existing ask
Topic.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of lower link bar type expansion joint
The problem of in order to make the same expansion joint be adapted to a variety of infields.
To achieve the above object, the utility model provides the following technical solutions: a kind of lower link bar type expansion joint, including first
Connecting flange is provided with the first link block on the outer surface of first connecting flange, and there are three the first link blocks, and described
The first fixture nut is provided on two side external surfaces of one link block, and the first fixture nut there are 12, first connection
The middle position of block is provided with major connector, and major connector has three, and one end of first connecting flange is provided with
One bellows, one end of first bellows are provided with outer tube, and outer tube company is provided on the outer surface of the outer tube
Block is connect, and there are three outer tube link blocks, the second fixture nut is provided on two side external surfaces of the outer tube link block, and
Second fixture nut has 12, and the middle position of the outer tube link block is provided with connector bar, and connector bar has
Three, one end of the outer tube is provided with sealing rubber ring, and one end of the sealing rubber ring is provided with inner sleeve, described interior
Inner sleeve link block is provided on the outer surface of casing, and there are three inner sleeve link blocks, one end of the inner sleeve is provided with
Second bellows, one end of second bellows are provided with the second connecting flange, one end setting of second connecting flange
There is sealing strip, and there are two sealing strips, the second link block, and the second connection are provided on the outer surface of second connecting flange
There are three blocks.
Preferably, one end of first bellows and the first connecting flange are welded to connect, first bellows it is another
One end and outer tube are welded to connect.
Preferably, one end of the sealing rubber ring is connect with the outer surface glue of outer tube one end, the seal rubber
The other end of circle is wrapped on the outer surface of inner sleeve, on a side external surface of first connecting flange and the second connecting flange
It is pasted with a sealing strip.
Preferably, the outer surface of second link block and the second connecting flange is welded to connect, second link block
Middle position is provided with through-hole, and for the major connector through in through-hole, first fixture nut is socketed in major connector
Outer surface on, and the both ends of major connector are respectively set there are two the first fixture nut.
Preferably, the outer surface of the inner sleeve link block and inner sleeve is welded to connect, the outer tube link block and outer
The outer surface of casing is welded to connect, and the connector bar is through the middle position of inner sleeve link block and outer tube link block
Place, and the both ends of connector bar are respectively set there are two the second fixture nut.
Preferably, the outer diameter size of the inner sleeve is consistent with the inner diameter size of outer tube, and the inner sleeve is placed in housing
The inside of pipe.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is by one end solder mask pipe in the first bellows, in the welding of one end of the second bellows
The outer diameter size of casing, inner sleeve is consistent with the inner diameter size of outer tube, and one end of inner sleeve is placed in the inside of outer tube, this measure
Entire expansion joint is stretched, so that the expansion joint can be applied at more extensive position, by housing
Sealing rubber ring is arranged in one end of pipe, and one end of sealing rubber ring and one end outer surface glue of outer tube connect, seal rubber
The other end of circle is wrapped on the outer surface of inner sleeve, and the leakproofness of junction can be improved in this structure.
2, the utility model on the outer surface of outer tube by being arranged outer tube link block, on the outer surface of inner sleeve
Be arranged inner sleeve link block, connector bar through outer tube link block and inner sleeve link block middle position, in little Lian
Two the second fixture nuts, therefore position of adjustable second fixture nut on connector bar is respectively set in the both ends of extension bar
To adjust position of the inner sleeve in outer tube, while can also to connect between inner sleeve and outer tube stronger.
3, the utility model by pasting one on one end outer surface of the first connecting flange and the second connecting flange respectively
Sealing strip, it is ensured that the expansion joint with other equipment when connecting, the leakproofness of junction, to improve the expansion joint
The operation is stable performance, while also improving the stability to work using the equipment of the expansion joint.
4, the utility model on the outer surface of the first connecting flange by welding three the first link blocks, in the second connection
Three the second link blocks are welded on the outer surface of flange, and major connector is through the centre of the first link block and the second link block
At position, two the first fixture nuts are respectively set at the both ends of major connector, therefore can guarantee the secured of entire expansion joint
Degree.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the top view of the utility model.
In figure: 1, the first connecting flange；2, the first bellows；3, the first link block；4, the first fixture nut；5, housing
Pipe；6, sealing rubber ring；7, inner sleeve；8, the second bellows；9, the second connecting flange；10, sealing strip；11, inner sleeve connects
Block；12, major connector；13, connector bar；14, the second fixture nut；15, outer tube link block；16, the second link block.
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.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of lower link bar type expansion joint, including the first company
Acting flange 1 is provided with the first link block 3 on the outer surface of first connecting flange 1, and there are three the first link blocks 3, the first connection
The first fixture nut 4 is provided on two side external surfaces of block 3, and the first fixture nut 4 there are 12, in the first link block 3
Between be provided with major connector 12 at position, and major connector 12 has three, and one end of the first connecting flange 1 is provided with the first ripple
Pipe 2, one end of the first bellows 2 are provided with outer tube 5, outer tube link block 15 are provided on the outer surface of outer tube 5, and outer
There are three casing connection blocks 15, the second fixture nut 14 is provided on two side external surfaces of outer tube link block 15, and second is solid
Determining nut 14 has 12, and the middle position of outer tube link block 15 is provided with connector bar 13, and connector bar 13 has three
Root, one end of outer tube 5 are provided with sealing rubber ring 6, and one end of sealing rubber ring 6 is provided with inner sleeve 7, inner sleeve 7 it is outer
Inner sleeve link block 11 is provided on surface, and there are three inner sleeve link blocks 11, one end of inner sleeve 7 is provided with the second ripple
Pipe 8, one end of the second bellows 8 are provided with the second connecting flange 9, and one end of the second connecting flange 9 is provided with sealing strip 10, and
There are two sealing strips 10, the second link block 16 is provided on the outer surface of the second connecting flange 9, and the second link block 16 has three
It is a.
Further, one end of the first bellows 2 and the first connecting flange 1 are welded to connect, the other end of the first bellows 2 with
Outer tube 5 is welded to connect, and improves whole stability.
Further, one end of sealing rubber ring 6 is connect with the outer surface glue of 5 one end of outer tube, sealing rubber ring 6 it is another
One end is wrapped on the outer surface of inner sleeve 7, is pasted on the first connecting flange 1 and a side external surface of the second connecting flange 9
There is a sealing strip 10, ensure that the leakproofness of junction.
Further, the outer surface of the second link block 16 and the second connecting flange 9 is welded to connect, the centre of the second link block 16
It is provided with through-hole at position, for major connector 12 through in through-hole, the first fixture nut 4 is socketed in the outer surface of major connector 12
On, and the both ends of major connector 12 are respectively set there are two the first fixture nut 4.
Further, the outer surface of inner sleeve link block 11 and inner sleeve 7 is welded to connect, outer tube link block 15 and outer tube
5 outer surface is welded to connect, connector bar 13 through inner sleeve link block 11 and outer tube link block 15 middle position,
And the both ends of connector bar 13 are respectively set there are two the second fixture nut 14.
Further, the outer diameter size of inner sleeve 7 is consistent with the inner diameter size of outer tube 5, and inner sleeve 7 is placed in outer tube 5
It is internal.
Working principle: in use, first connecting the first connecting flange 1 with external equipment, due in the first connecting flange 1
Sealing strip 10 is provided on one side external surface, it is possible to guarantee the leakproofness of the junction, then by the second connecting flange 9 and outside
The connection of portion's equipment, one end of inner sleeve 7 is moved into suitable position in the inside of outer tube 5 at this time, due in housing
It is provided with outer tube link block 15 on the outer surface of pipe 5, inner sleeve link block 11 is provided on the outer surface of inner sleeve 7, it is small
Connecting rod 13 is divided through the middle position of outer tube link block 15 and inner sleeve link block 11, and at the both ends of connector bar 13
Not She Zhi there are two the second fixture nut 14 so that the 14 position fixation of the second fixture nut can make outer tube 5 with it is interior
The position of casing 7 is fixed, and at this time again tightening the first fixture nut 4 that 12 both ends of major connector are arranged in can be so that entire
Expansion joint position is fixed, and makes expansion joint structure more stable.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of lower link bar type expansion joint, including the first connecting flange (1), it is characterised in that: first connecting flange (1)
It is provided on outer surface the first link block (3), and there are three the first link blocks (3), the two sides appearance of first link block (3)
It is provided on face the first fixture nut (4), and the first fixture nut (4) has 12, the interposition of first link block (3)
The place of setting is provided with major connector (12), and major connector (12) has three, and one end of first connecting flange (1) is provided with
One end of one bellows (2), first bellows (2) is provided with outer tube (5), is set on the outer surface of the outer tube (5)
It is equipped with outer tube link block (15), and there are three outer tube link blocks (15), the two sides appearance of the outer tube link block (15)
It is provided on face the second fixture nut (14), and the second fixture nut (14) has 12, the outer tube link block (15)
Middle position is provided with connector bar (13), and connector bar (13) has three, and one end of the outer tube (5) is provided with close
It seals rubber ring (6), one end of the sealing rubber ring (6) is provided with inner sleeve (7), sets on the outer surface of the inner sleeve (7)
It is equipped with inner sleeve link block (11), and there are three inner sleeve link blocks (11), one end of the inner sleeve (7) is provided with the second wave
One end of line pipe (8), second bellows (8) is provided with the second connecting flange (9), and the one of second connecting flange (9)
End is provided with sealing strip (10), and there are two sealing strips (10), is provided with second on the outer surface of second connecting flange (9)
Link block (16), and there are three the second link blocks (16).
2. a kind of lower link bar type expansion joint according to claim 1, it is characterised in that: the one of first bellows (2)
End is welded to connect with the first connecting flange (1), and the other end of first bellows (2) and outer tube (5) are welded to connect.
3. a kind of lower link bar type expansion joint according to claim 1, it is characterised in that: the one of the sealing rubber ring (6)
End is connect with the outer surface glue of outer tube (5) one end, and the other end of the sealing rubber ring (6) is wrapped in inner sleeve (7)
On outer surface, a sealing strip is pasted on a side external surface of first connecting flange (1) and the second connecting flange (9)
(10).
4. a kind of lower link bar type expansion joint according to claim 1, it is characterised in that: second link block (16) and the
The outer surface of two connecting flanges (9) is welded to connect, and the middle position of second link block (16) is provided with through-hole, described big
Connecting rod (12) is through in through-hole, and first fixture nut (4) is socketed on the outer surface of major connector (12), and Dalian
The both ends of extension bar (12) are respectively set there are two the first fixture nut (4).
5. a kind of lower link bar type expansion joint according to claim 1, it is characterised in that: the inner sleeve link block (11) with
The outer surface of inner sleeve (7) is welded to connect, and the outer surface of the outer tube link block (15) and outer tube (5) is welded to connect, institute
State middle position of the connector bar (13) through inner sleeve link block (11) and outer tube link block (15), and connector bar
(13) both ends are respectively set there are two the second fixture nut (14).
6. a kind of lower link bar type expansion joint according to claim 1, it is characterised in that: the outer diameter of the inner sleeve (7) is big
Small consistent with the inner diameter size of outer tube (5), the inner sleeve (7) is placed in the inside of outer tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171610.4U CN209484143U (en) | 2018-12-24 | 2018-12-24 | A kind of lower link bar type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171610.4U CN209484143U (en) | 2018-12-24 | 2018-12-24 | A kind of lower link bar type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484143U true CN209484143U (en) | 2019-10-11 |
Family
ID=68126800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822171610.4U Active CN209484143U (en) | 2018-12-24 | 2018-12-24 | A kind of lower link bar type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209484143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805777A (en) * | 2019-11-06 | 2020-02-18 | 北京韩建河山管业股份有限公司湖北分公司 | Double-seal expansion joint capable of being maintained on line |
-
2018
- 2018-12-24 CN CN201822171610.4U patent/CN209484143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805777A (en) * | 2019-11-06 | 2020-02-18 | 北京韩建河山管业股份有限公司湖北分公司 | Double-seal expansion joint capable of being maintained on line |
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| GR01 | Patent grant |