CN212389924U - High-strength flexible rubber expansion joint - Google Patents
High-strength flexible rubber expansion joint Download PDFInfo
- Publication number
- CN212389924U CN212389924U CN202020182836.9U CN202020182836U CN212389924U CN 212389924 U CN212389924 U CN 212389924U CN 202020182836 U CN202020182836 U CN 202020182836U CN 212389924 U CN212389924 U CN 212389924U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- rubber expansion
- flexible rubber
- flange
- high strength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 56
- 239000005060 rubber Substances 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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Abstract
The utility model discloses a high strength flexible rubber expansion joint, including body, flange and spring, the flange is two sets of, and the both ends of body are located to fixed cover respectively, and the body extends to the flange outside, fixed connection is in two sets of flanges respectively at the both ends of spring. High strength flexible rubber expansion joint, simple structure has guaranteed rubber expansion joint's angular displacement through playing limiting displacement when both ends flange joint spring, has improved rubber expansion joint's intensity radially and axially through the embedding of steel ring and wire.
Description
Technical Field
The utility model relates to a connecting piece technical field, in particular to flexible rubber expansion joint of high strength.
Background
The expansion joint is used as an elastic compensation element capable of freely extending and retracting, has the advantages of reliable work, good performance, compact structure and the like, is widely applied to industries such as chemical industry, metallurgy, nuclear energy and the like, is used for absorbing dimensional change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold or compensating axial, transverse and angular displacement of the pipelines, the conduits, the containers and the like, gradually replaces a metal expansion joint due to the advantages of good corrosion resistance and light weight of the rubber expansion joint, and the strength of the rubber expansion joint becomes a main restriction factor in the further development process; in addition, in order to prevent the expansion joint from being excessively stretched, a pull rod is generally adopted as a limiting structure for pre-stretching at present, the angular displacement of the rubber expansion joint is limited while limiting, and the radial displacement generated by sudden vibration of pipelines, conduits and the like cannot be compensated.
An object of the utility model is to provide a flexible rubber expansion joint of high strength to solve the problem that proposes among the above-mentioned background art.
Disclosure of Invention
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a flexible rubber expansion joint of high strength, simple structure has guaranteed the angular displacement of rubber expansion joint when playing limiting displacement at both ends flange joint spring, has improved the intensity of rubber expansion joint radially and axially through the embedding of steel ring and wire.
The technical scheme is as follows: in order to realize the above-mentioned purpose, the utility model provides a flexible rubber expansion joint of high strength, including body, flange and spring, the flange is two sets of, and the both ends of body are located to fixed cover respectively, and the body extends to the flange outside, fixed connection is in two sets of flanges respectively at the both ends of spring, and the elastic deformation of spring does not influence the angular displacement of rubber expansion joint, sets up the maximum extension distance of spring simultaneously, and the spring plays limiting displacement when rubber expansion joint is by transition extension.
Further, according to the high-strength flexible rubber expansion joint, the steel ring is embedded into the arched area of the pipe body along the radial center, so that the stability of the rubber expansion joint can be maintained under certain pressure or impact, and the rubber expansion joint is prevented from being seriously deformed.
Furthermore, foretell flexible rubber expansion joint of high strength, the body has improved the ascending intensity of rubber expansion joint axial along the mutual metal wire that staggers of multilayer of axial embedding, has slowed down the elastic failure of rubber expansion joint in the tensile compression process that relapse, improves the life-span.
Further, in the high-strength flexible rubber expansion joint, the metal wire, the synthetic rubber and the fiber braided fabric are integrally formed.
Furthermore, according to the high-strength flexible rubber expansion joint, the end face of the flange is circumferentially provided with a group of bosses, and the centers of the bosses are provided with through holes for connecting springs.
Furthermore, according to the high-strength flexible rubber expansion joint, the end face of the flange is circumferentially provided with a group of through holes for connecting the pipe main body.
Furthermore, in the high-strength flexible rubber expansion joint, the springs are evenly distributed in 6 groups along the circumference of the flange, so that the load of a single group of springs is reduced, and the safety factor is improved.
Furthermore, the corrosion-resistant layer is adhered to the outer part of the pipe body, so that the service life of the high-strength flexible rubber expansion joint is prolonged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a flexible rubber expansion joint of high strength through installing the spring between the flange, has guaranteed rubber expansion joint's angular displacement, plays the ascending limiting displacement of axial simultaneously.
2. The utility model discloses a flexible rubber expansion joint of high strength, through distinguishing embedding steel ring at the body arch, improved rubber expansion joint's radial strength.
3. The utility model discloses a flexible rubber expansion joint of high strength has improved the axial strength of rubber expansion joint through the multilayer wire that staggers each other in body axial embedding.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line I-I in FIG. 1 (with the spring omitted);
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a left side view of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Examples
As shown in fig. 1, a flexible rubber expansion joint of high strength, including body 1, flange 2 and spring 3, flange 2 is two sets of, fixes the both ends that the body 1 was located to the cover respectively, and body 1 extends to flange 2 outsidely, fixed connection is in two sets of flanges 2 respectively at the both ends of spring 3, and the elastic deformation of spring 3 does not influence the angular displacement of rubber expansion joint, sets up the biggest extension distance of spring 3 simultaneously, and spring 3 plays limiting displacement when rubber expansion joint is by transitional stretching.
Further, as shown in fig. 2 and 3, in the high strength flexible rubber expansion joint, the steel ring 12 is embedded in the radial center of the arch area of the pipe body 1, so that the stability of the rubber expansion joint can be maintained under a certain pressure or impact, and the rubber expansion joint is prevented from being seriously deformed.
Further, according to the high-strength flexible rubber expansion joint, the pipe body 1 is embedded into the plurality of layers of metal wires 13 which are staggered mutually along the axial direction, so that the axial strength of the rubber expansion joint is improved, the elastic failure of the rubber expansion joint in the repeated stretching and compressing process is relieved, and the service life is prolonged.
Further, in the high-strength flexible rubber expansion joint, the metal wire 13 is integrally formed with synthetic rubber or a fiber woven fabric.
Further, as shown in fig. 2 and 4, in the high-strength flexible rubber expansion joint, a set of bosses 21 is circumferentially arranged on the end surface of the flange 2, and a through hole is formed in the center of each boss 21 and used for connecting the spring 3.
Further, in the high-strength flexible rubber expansion joint, a group of through holes 22 are circumferentially formed in the end face of the flange 2 and used for connecting the pipe main body.
Further, according to the high-strength flexible rubber expansion joint, the springs 3 are evenly distributed in 6 groups along the circumference of the flange 2, so that the load of each group of springs 3 is reduced, and the safety factor is improved.
Further, according to the high-strength flexible rubber expansion joint, the corrosion-resistant layer is adhered to the outer portion of the pipe body 1, and the service life is prolonged.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the invention and should not be interpreted as limiting the scope of the invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The utility model provides a flexible rubber expansion joint of high strength which characterized in that: including body (1), flange (2) and spring (3), flange (2) are two sets of, and the both ends of body (1) are located to fixed cover respectively, and body (1) extends to flange (2) outside, the both ends difference fixed connection in two sets of flanges (2) of spring (3).
2. A high strength flexible rubber expansion joint according to claim 1, wherein: the arch area of the pipe body (1) is embedded with a steel ring (12) along the radial center.
3. A high strength flexible rubber expansion joint according to claim 1, wherein: the pipe body (1) is embedded with a plurality of layers of metal wires (13) which are staggered mutually along the axial direction.
4. A high strength flexible rubber expansion joint according to claim 3, wherein: the metal wire (13) is integrally formed with the synthetic rubber and the fiber braided fabric.
5. A high strength flexible rubber expansion joint according to claim 1, wherein: the flange (2) terminal surface is equipped with a set of boss (21) along the circumference, the center of boss (21) is equipped with the through-hole.
6. A high strength flexible rubber expansion joint according to claim 1, wherein: and a group of through holes (22) are formed in the end face of the flange (2) along the circumference.
7. A high strength flexible rubber expansion joint according to claim 1, wherein: the springs (3) are evenly distributed in 6 groups along the circumference of the flange (2).
8. A high strength flexible rubber expansion joint according to claim 1, wherein: the corrosion-resistant layer is adhered to the outer part of the pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020182836.9U CN212389924U (en) | 2020-02-19 | 2020-02-19 | High-strength flexible rubber expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020182836.9U CN212389924U (en) | 2020-02-19 | 2020-02-19 | High-strength flexible rubber expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212389924U true CN212389924U (en) | 2021-01-22 |
Family
ID=74246988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020182836.9U Expired - Fee Related CN212389924U (en) | 2020-02-19 | 2020-02-19 | High-strength flexible rubber expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212389924U (en) |
-
2020
- 2020-02-19 CN CN202020182836.9U patent/CN212389924U/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: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |