CN216158568U - Rubber expansion joint convenient to adjust use length - Google Patents
Rubber expansion joint convenient to adjust use length Download PDFInfo
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- CN216158568U CN216158568U CN202122156099.2U CN202122156099U CN216158568U CN 216158568 U CN216158568 U CN 216158568U CN 202122156099 U CN202122156099 U CN 202122156099U CN 216158568 U CN216158568 U CN 216158568U
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Abstract
The utility model discloses a rubber expansion joint convenient for adjusting the using length, which comprises: the rubber joint is made of a three-layer structure formed by an inner rubber layer, a middle core layer and an outer rubber layer, the inner rubber layer is arranged on the innermost side of the rubber joint, the outer surface of the inner rubber layer is connected with the middle core layer, and the outer surface of the middle core layer is connected with the outer rubber layer; the spring is arranged on the outer side of the rubber joint, and the upper end and the lower end of the rubber joint are both fixed with connecting rings; the flange plate is arranged on the outer side of the connecting ring, through holes are uniformly formed in the upper surface and the lower surface of the flange plate in a penetrating mode, and through grooves are uniformly formed in the outer side face of the flange plate; and the adjusting rods are symmetrically arranged on the left side and the right side of the spring. This rubber expansion joint sets up the rubber festival and is the wave form shape, can stretch out and draw back the regulation, can adjust the distance between two ring flanges through adjusting the pole simultaneously to in adjust the use length of whole expansion joint, the practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of pipeline connecting equipment, in particular to a rubber expansion joint convenient for adjusting the using length.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, an expansion joint welded on a shell of a fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, the expansion joint can compensate the thermal expansion difference generated by different wall temperatures of a tube and the shell and reduce the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding the strength damage, the instability damage and the tube pull-out damage. However, the rubber expansion joint on the market at present is inconvenient to adjust the use length in the use process, is inconvenient to assemble and disassemble integrally, and also has the problem of poor heat preservation effect, so that the rubber expansion joint convenient for adjusting the use length is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rubber expansion joint convenient for adjusting the use length, so as to solve the problems that the rubber expansion joint in the market is inconvenient to adjust the use length in the use process, inconvenient to integrally disassemble and assemble and poor in heat preservation effect in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a rubber expansion joint facilitating adjustment of in-use length, comprising:
the rubber joint is made of a three-layer structure formed by an inner rubber layer, a middle core layer and an outer rubber layer, the inner rubber layer is arranged on the innermost side of the rubber joint, the outer surface of the inner rubber layer is connected with the middle core layer, and the outer surface of the middle core layer is connected with the outer rubber layer;
the spring is arranged on the outer side of the rubber joint, the rubber joint penetrates through the interior of the spring, and the upper end and the lower end of the rubber joint are both fixed with connecting rings;
the two flange plates are fixed at the upper end and the lower end of the spring, through holes are uniformly formed in the upper surface and the lower surface of each flange plate in a penetrating manner, and through grooves are uniformly formed in the outer side surfaces of the flange plates;
and the adjusting rods are symmetrically arranged on the left side and the right side of the spring.
Preferably, the inner rubber layer further includes:
and the anticorrosive layer is connected to the inner surface of the inner rubber layer.
Preferably, the middle core layer further comprises:
the heat insulation layer is arranged on one side of the middle core layer close to the inner rubber layer and is made of glass fiber;
and the reinforcing layer is arranged on the outer side surface of the heat preservation layer and is made of an elastic steel wire mesh.
Preferably, the connection ring further comprises:
and the connecting holes are uniformly formed in the outer side surface of the connecting ring.
Preferably, the flange plate further comprises:
the caulking groove is formed in the upper surface, close to the middle through hole, of the flange plate, and the connecting ring and the flange plate form a clamping structure through the caulking groove;
and the long bolt penetrates through the through groove and the connecting ring and is in threaded connection with the flange plate.
Preferably, the adjusting rod further comprises:
a screw sleeve;
and the screw rods are symmetrically and threadedly connected to the upper end and the lower end of the screw sleeve, and the other ends of the screw rods are fixed with the flange plates.
Compared with the prior art, the utility model has the beneficial effects that:
this rubber expansion joint convenient to adjust service length sets up the rubber festival and is the wave form shape, can stretch out and draw back the regulation, simultaneously can be through adjusting the distance between two ring flanges of pole regulation, so that adjust the service length of whole expansion joint, the practicality is stronger, and easy dismounting between ring flange and rubber festival and the go-between, be convenient for assemble, assembly efficiency is higher, the spring that sets up in addition can improve the vibration/noise reduction effect of whole expansion joint, the heat preservation effect of whole expansion joint has been improved to the while heat preservation, the anticorrosive effect on rubber layer surface in the anticorrosive coating reinforcing, reduce the wearing and tearing of transportation material to the inner rubber layer, be favorable to prolonging the life of whole expansion joint.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the cross section of the present invention in elevation;
FIG. 3 is a schematic view of a partial cross-sectional structure of a rubber joint according to the present invention.
In the figure: 1. a rubber section; 11. an inner rubber layer; 111. an anticorrosive layer; 12. a middle core layer; 121. a heat-insulating layer; 122. a reinforcement layer; 13. an outer rubber layer; 2. a spring; 3. a connecting ring; 31. connecting holes; 4. a flange plate; 41. caulking grooves; 42. a long bolt; 5. perforating; 6. penetrating a groove; 7. adjusting a rod; 71. a screw sleeve; 72. a screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a rubber expansion joint facilitating adjustment of in-use length, comprising: the rubber joint 1, rubber joint 1 is made by the three layer construction that inner rubber layer 11, well core layer 12 and outer rubber layer 13 formed, and inner rubber layer 11 sets up the most inboard at rubber joint 1, and inner rubber layer 11 still includes: anticorrosive coating 111, its internal surface including connecting at the internal rubber layer 11, anticorrosive coating 111 strengthens the anticorrosive effect on internal rubber layer 11 surface, reduces the wearing and tearing of transported substance to internal rubber layer 11, is favorable to prolonging the life of whole expansion joint, and the surface connection of internal rubber layer 11 has well sandwich layer 12, and well sandwich layer 12 still including: the heat insulation layer 121 is arranged on one side, close to the inner rubber layer 11, of the middle core layer 12 and is made of glass fiber, and the heat insulation effect of the whole expansion joint is improved by the heat insulation layer 121; the reinforcing layer 122 is arranged on the outer side surface of the heat insulation layer 121 and is made of an elastic steel wire mesh, and the outer surface of the middle core layer 12 is connected with the outer rubber layer 13; spring 2 sets up in the outside of rubber festival 1, and rubber festival 1 runs through spring 2's inside, and rubber festival 1's upper and lower both ends all are fixed with go-between 3, go-between 3 still including: connection holes 31 uniformly opened on the outer side surface of the connection ring 3;
The working principle is as follows: for the rubber expansion joint convenient for adjusting the use length, firstly, the heat insulation layer 121 and the reinforcing layer 122 are pressed to form the middle core layer 12, the inner rubber layer 11, the middle core layer 12 and the outer rubber layer 13 are pressed to form the rubber joint 1, the rubber joint 1 is in a wave shape, the connecting ring 3 and the rubber joint 1 are integrally bent and formed, the anti-corrosion layer 111 is arranged on the inner side of the inner rubber layer 11 to improve the anti-corrosion effect of the inner side of the inner rubber layer 11, the spring 2 is sleeved on the outer side of the rubber joint 1, then the two flange plates 4 are sleeved on the outer side of the connecting ring 3, the outer edge of the connecting ring 3 is clamped inside the embedded groove 41, the position of the connecting hole 31 is rotationally adjusted to match the position of the through groove 6, then the screw 72 in the adjusting rod 7 is screwed into the screw sleeve 71, the screw sleeve 71 is screwed, the screw 72 is screwed into the middle of the screw sleeve 71, and the distance between the two flange plates 4 is shortened, then the two ends of the spring 2 are respectively welded and fixed with the flange plate 4, then the long bolt 42 is screwed from the through groove 6, the long bolt 42 penetrates through the connecting hole 31 and is screwed and fixed with the flange plate 4, and finally when the expansion joint is required to be connected with a pipeline, the bolt is screwed in the through hole 5, and the assembly of the whole rubber expansion joint can be completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rubber expansion joint facilitating adjustment of in-use length, comprising:
the rubber joint (1) is made of a three-layer structure formed by an inner rubber layer (11), a middle core layer (12) and an outer rubber layer (13), the inner rubber layer (11) is arranged on the innermost side of the rubber joint (1), the outer surface of the inner rubber layer (11) is connected with the middle core layer (12), and the outer surface of the middle core layer (12) is connected with the outer rubber layer (13);
the spring (2) is arranged on the outer side of the rubber joint (1), the rubber joint (1) penetrates through the spring (2), and the upper end and the lower end of the rubber joint (1) are both fixed with connecting rings (3);
the flange plates (4) are arranged on the outer sides of the connecting rings (3), the two flange plates (4) are fixed at the upper end and the lower end of the spring (2), through holes (5) uniformly penetrate through the upper surface and the lower surface of each flange plate (4), and through grooves (6) are uniformly formed in the outer side surfaces of the flange plates (4);
and the adjusting rods (7) are symmetrically arranged at the left side and the right side of the spring (2).
2. A rubber expansion joint facilitating length adjustment in use according to claim 1, wherein said inner rubber layer (11) further comprises:
and an anticorrosive layer (111) attached to an inner surface of the inner rubber layer (11).
3. A rubber expansion joint facilitating length adjustment in use according to claim 1, wherein said core layer (12) further comprises:
the heat insulation layer (121) is arranged on one side, close to the inner rubber layer (11), of the middle core layer (12) and is made of glass fibers;
and the reinforcing layer (122) is arranged on the outer side surface of the heat insulation layer (121) and is made of an elastic steel wire mesh.
4. A rubber expansion joint facilitating the adjustment of the length of use according to claim 1, wherein said connection ring (3) further comprises:
and the connecting holes (31) are uniformly formed in the outer side surface of the connecting ring (3).
5. A rubber expansion joint facilitating length adjustment in use according to claim 4, wherein said flange (4) further comprises:
the caulking groove (41) is formed in the upper surface of the flange plate (4) close to the position of the middle through hole, and the connecting ring (3) forms a clamping structure with the flange plate (4) through the caulking groove (41);
and the long bolt (42) penetrates through the through groove (6) and the connecting ring (3) and is in threaded connection with the flange plate (4).
6. A rubber expansion joint facilitating the adjustment of the length of use according to claim 1, characterized in that the adjustment rod (7) further comprises:
a screw sleeve (71);
and the screw rods (72) are symmetrically in threaded connection with the upper end and the lower end of the screw sleeve (71), and the other ends of the screw rods (72) are fixed with the flange plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122156099.2U CN216158568U (en) | 2021-09-08 | 2021-09-08 | Rubber expansion joint convenient to adjust use length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122156099.2U CN216158568U (en) | 2021-09-08 | 2021-09-08 | Rubber expansion joint convenient to adjust use length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158568U true CN216158568U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122156099.2U Active CN216158568U (en) | 2021-09-08 | 2021-09-08 | Rubber expansion joint convenient to adjust use length |
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| CN (1) | CN216158568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704183A (en) * | 2024-02-05 | 2024-03-15 | 江苏耀宇新型管业有限公司 | Pressure-resistant high-temperature-resistant expansion joint |
-
2021
- 2021-09-08 CN CN202122156099.2U patent/CN216158568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704183A (en) * | 2024-02-05 | 2024-03-15 | 江苏耀宇新型管业有限公司 | Pressure-resistant high-temperature-resistant expansion joint |
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