CN208311770U - A kind of pressure balancing type expansion joint of bypass straight tube - Google Patents
A kind of pressure balancing type expansion joint of bypass straight tube Download PDFInfo
- Publication number
- CN208311770U CN208311770U CN201820412038.3U CN201820412038U CN208311770U CN 208311770 U CN208311770 U CN 208311770U CN 201820412038 U CN201820412038 U CN 201820412038U CN 208311770 U CN208311770 U CN 208311770U
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- China
- Prior art keywords
- connecting rod
- connecting plate
- ripple section
- rectangular flange
- hinged
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Abstract
The utility model relates to a kind of pressure balancing type expansion joint of bypass straight tube, including bellows body, bellows body includes the first ripple section, second ripple section and third ripple section, the first rectangular flange and the second rectangular flange are respectively equipped in the first end pipe and the second end pipe of first ripple section and the second ripple section, two guiding mechanisms being provided symmetrically between first rectangular flange and the second rectangular flange, guiding mechanism includes the first connecting plate, second connecting plate and third connecting plate, first connecting rod is equipped with hinged first connecting rod, second connecting rod and third connecting rod, second connecting plate is equipped with hinged fourth link, 5th connecting rod and six-bar linkage, seven-link assembly is equipped between fourth link and the 5th connecting rod；The utility model has the characteristics that small in size, compensation rate is big, using unique linking-board type guiding mechanism, axial length compensation can be not only carried out on pipeline, also allows a certain amount of corner deformation-compensated, prevents frictional resistance from consuming, and damping noise reduction effect is significant.
Description
Technical field
The utility model relates to a kind of expansion joint, especially a kind of pressure balancing type expansion joint of bypass straight tube.
Background technique
Expansion joint is additional stress caused by compensating because of temperature difference and mechanical oscillation, and is arranged on container casing or pipeline
A kind of flexible structure, can equalizing main pressure thrust, there is the ability for absorbing internal pressure thrust, and have good guiding performance, it is existing
It is generally made of attachmentes such as bellows, end pipe, bracket, flange, conduits the logical straight pipe pressure-balancing type expansion joint in technology,
Flexible element is monolithic molding without the circular expander section reinforced U-shaped, reinforce U-shaped and ∩ shape bellows, utilizes effectively stretching for bellows
Compression deformation, with the change in size that absorption line, conduit, container etc. are generated by the reasons such as expanding with heat and contract with cold, but simply with more
Guiding support structure be linked to be guiding building stress it is larger, especially micro angle change when, bypass straight tube it is larger by transient force, easily
Guiding trestle is caused to be broken, frictional force is larger between guide plate, and wear rate and noise are larger, it would be highly desirable to improve.
Utility model content
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of bypass straight-tube pressure-balance expansion
Section, has the characteristics that small in size, compensation rate is big, using unique linking-board type guiding mechanism, can not only carry out on pipeline axial
Length compensation also allows a certain amount of corner deformation-compensated, prevents frictional resistance from consuming, and damping noise reduction effect is significant.
The utility model is achieved by the following technical solutions:
A kind of pressure balancing type expansion joint of bypass straight tube, including bellows body, wherein the bellows body includes first wave
Line section, the second ripple section and third ripple section, the second ripple section both ends and the first ripple section and third ripple section one end it
Between be equipped with coupling tube, the first ripple section and the second ripple section other end are respectively equipped with the first end pipe and the second end pipe, institute
It states and is respectively equipped with the first rectangular flange and the second rectangular flange in the first end pipe and the second end pipe, first rectangular flange and
Two guiding mechanisms being provided symmetrically between two rectangular flanges；
The guiding mechanism includes the first connecting plate, the second connecting plate and third connecting plate, and first connecting plate and the second connecting plate divide
Be not vertically connected with the first rectangular flange and the second rectangular flange, the third connecting plate be located at the first connecting plate and the second connecting plate it
Between, the first connecting rod is equipped with hinged first connecting rod, second connecting rod and third connecting rod, and second connecting plate is equipped with hinged
Fourth link, the 5th connecting rod and six-bar linkage, between the fourth link and the 5th connecting rod be equipped with seven-link assembly, the described 7th
Connecting rod one end and fourth link, first connecting rod and third connecting plate are hinged, and the other end and the 5th connecting rod and second connecting rod are hinged, described
Six-bar linkage one end and third connecting rod and third connecting plate are hinged.
Above-mentioned a kind of pressure balancing type expansion joint of bypass straight tube, wherein the first ripple section and third ripple section structure
Unanimously, overall diameter of the overall diameter of the second ripple section less than the first ripple section.
Above-mentioned a kind of pressure balancing type expansion joint of bypass straight tube, wherein the coupling tube side is equipped with reinforcing ring, described to add
Several triangular reinforcing plates are equipped between strong ring and coupling tube, several triangular reinforcing plates are set around one week uniform intervals of reinforcing ring
It sets.
The utility model has the following beneficial effects:
The utility model structure novel is compact, design rationally, using easy to assembly, pass through the first rectangular flange and the second square
Shape flange accesses pipeline, and increases compensation under the combination of the first different ripple section of caliber, the second ripple section and third ripple section
Amount is increased the receiving load-bearing capacity of vertical plane by several triangular reinforcing plates, is additionally used by the first connecting plate, the second connecting plate and the
The guiding mechanism that three connecting plates are constituted changes the single straight-bar guiding mechanism of tradition, under the connecting rod effect being hinged, makes the
Three connecting plates are driven between the first connecting plate and second connecting rod, to can not only carry out axial length compensation on pipeline, also allow
A certain amount of corner is deformation-compensated, prevents frictional resistance from consuming, and damping noise reduction effect is significant.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
(in figure, bellows body 1, the first ripple section 2, the second ripple section 3 and third ripple section 4, coupling tube 5, reinforcing ring 6,
Triangular reinforcing plate 7, the first end pipe 8 and the second end pipe 9, the first rectangular flange 10 and the second rectangular flange 11, guiding mechanism 12,
First connecting plate 13, the second connecting plate 14 and third connecting plate 15, first connecting rod 16, second connecting rod 17 and third connecting rod 18, fourth link
19, the 5th connecting rod 20 and six-bar linkage 21, seven-link assembly 22).
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.
A kind of pressure balancing type expansion joint of bypass straight tube, including bellows body 1, wherein the bellows body 1 includes first
Ripple section 2, the second ripple section 3 and third ripple section 4, the first ripple section 2 is consistent with third ripple 4 structures of section, and described
Overall diameter of the overall diameter of two ripple sections 3 less than the first ripple section 2,3 both ends of the second ripple section and the first ripple section 2 and the
Coupling tube 5 is equipped between three ripple sections, 4 one end, 5 side of coupling tube is equipped with reinforcing ring 6, the reinforcing ring 6 and coupling tube
Several triangular reinforcing plates 7 are equipped between 5, several triangular reinforcing plates 7 are around reinforcing ring uniform intervals setting in 6 one weeks；
The first ripple section 2 and 3 other end of the second ripple section are respectively equipped with the first end pipe 8 and the second end pipe 9, and described
The first rectangular flange 10 and the second rectangular flange 11, first rectangular flange 10 are respectively equipped in one end pipe 8 and the second end pipe 9
And second two guiding mechanism 12 being provided symmetrically between rectangular flange 11；
The guiding mechanism 12 includes the first connecting plate 13, the second connecting plate 14 and third connecting plate 15,13 He of the first connecting plate
Second connecting plate 14 is vertically connected with the first rectangular flange 10 and the second rectangular flange 11 respectively, and the third connecting plate 15 is located at first
Between connecting plate 13 and the second connecting plate 14, the first connecting rod 16 is equipped with hinged first connecting rod 16, second connecting rod 17 and third
Connecting rod 18, second connecting plate 14 are equipped with hinged fourth link 19, the 5th connecting rod 20 and six-bar linkage 21, and the described 4th connects
Seven-link assembly 22, described 22 one end of seven-link assembly and fourth link 19, first connecting rod 16 are equipped between bar 19 and the 5th connecting rod 20
Hingedly with third connecting plate 15, the other end and the 5th connecting rod 20 and second connecting rod 17 are hinged, described 21 one end of six-bar linkage and third
Connecting rod 18 and third connecting plate 15 are hinged.
The working method of the utility model are as follows:
It is accessed under the guiding of the first end pipe 8 and the second end pipe 9 by the first rectangular flange 10 and the second rectangular flange 11
Pipeline, reinforcing ring 6 and triangular reinforcing plate 7 play resistance between raising coupling tube 5 and the first ripple section 2 and third ripple section 4
Compressive load ability drives the first connecting plate 13 and the second connecting plate of guiding mechanism 12 when bellows body 1 is shunk by pipe effect
Spacing between 14 reduces, and makes first connecting rod 16 and fourth link 19, third connecting rod 18 and six-bar linkage 21 under hinged effect
Relative rotation drives third connecting plate 15 to ride out upwards, and seven-link assembly 22 is pulled to drive second connecting rod 17 and the rotation of the 5th connecting rod 20,
Steadily supporting role is formed, damping noise reduction effect deformation-compensated to adapt to the compensation of pipeline axial length and a certain amount of corner
Significantly, widely used in modern industry.
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 within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should all cover within the protection scope of the present utility model.Therefore, the protection scope of the utility model should be with
Subject to the protection scope of claims.
Claims (3)
1. a kind of pressure balancing type expansion joint of bypass straight tube, including bellows body, it is characterized in that, the bellows body includes first
Ripple section, the second ripple section and third ripple section, the second ripple section both ends and the first ripple section and third ripple section one end
Between be equipped with coupling tube, the first ripple section and the second ripple section other end are respectively equipped with the first end pipe and the second end pipe,
Be respectively equipped with the first rectangular flange and the second rectangular flange in first end pipe and the second end pipe, first rectangular flange and
Two guiding mechanisms being provided symmetrically between second rectangular flange；
The guiding mechanism includes the first connecting plate, the second connecting plate and third connecting plate, first connecting plate and the second connecting plate respectively with
First rectangular flange and the second rectangular flange are vertically connected, and the third connecting plate is between the first connecting plate and the second connecting plate, institute
First connecting rod is stated equipped with hinged first connecting rod, second connecting rod and third connecting rod, second connecting plate is equipped with hinged the
Double leval jib, the 5th connecting rod and six-bar linkage are equipped with seven-link assembly, the seven-link assembly between the fourth link and the 5th connecting rod
One end and fourth link, first connecting rod and third connecting plate are hinged, and the other end and the 5th connecting rod and second connecting rod are hinged, and the described 6th
Connecting rod one end and third connecting rod and third connecting plate are hinged.
2. a kind of pressure balancing type expansion joint of bypass straight tube as described in claim 1, it is characterized in that, the first ripple section and
Third ripple section structure is consistent, the overall diameter of the overall diameter of the second ripple section less than the first ripple section.
3. a kind of pressure balancing type expansion joint of bypass straight tube as described in claim 1, it is characterized in that, the coupling tube side is set
There is reinforcing ring, several triangular reinforcing plates is equipped between the reinforcing ring and coupling tube, several triangular reinforcing plates are around reinforcing ring
Uniform intervals setting in one week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412038.3U CN208311770U (en) | 2018-03-26 | 2018-03-26 | A kind of pressure balancing type expansion joint of bypass straight tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412038.3U CN208311770U (en) | 2018-03-26 | 2018-03-26 | A kind of pressure balancing type expansion joint of bypass straight tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311770U true CN208311770U (en) | 2019-01-01 |
Family
ID=64720989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820412038.3U Expired - Fee Related CN208311770U (en) | 2018-03-26 | 2018-03-26 | A kind of pressure balancing type expansion joint of bypass straight tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311770U (en) |
-
2018
- 2018-03-26 CN CN201820412038.3U patent/CN208311770U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |