CN215807083U - Split type expansion joint - Google Patents
Split type expansion joint Download PDFInfo
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- CN215807083U CN215807083U CN202121492511.1U CN202121492511U CN215807083U CN 215807083 U CN215807083 U CN 215807083U CN 202121492511 U CN202121492511 U CN 202121492511U CN 215807083 U CN215807083 U CN 215807083U
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- corrugated pipe
- fixedly connected
- expansion joint
- sleeve
- sealing gasket
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Abstract
The utility model discloses a split type expansion joint, and relates to the technical field of expansion joints. The corrugated pipe comprises a corrugated pipe, wherein sleeves are respectively matched with the inner walls of two end openings of the corrugated pipe in a sliding manner, one end opening of each sleeve positioned on the outer side of the corrugated pipe is fixedly connected with a sealing gasket, a plurality of lug plates are uniformly and fixedly connected with the inner wall of the corrugated pipe, two opposite side surfaces of each lug plate are respectively and fixedly connected with a limiting spring, one end of each limiting spring is fixedly connected with one end opening of each sleeve positioned on the inner side of the corrugated pipe, two end openings of the corrugated pipe are respectively and fixedly connected with a flange plate, and one side surface of each sealing gasket is in contact with the side surface of each flange plate. According to the utility model, through the design of the sleeve, the sealing gasket, the lug plate, the limiting spring and the flange plate, the limiting spring of the lug plate pulls the sleeve to drive the sealing gasket to be close to the side face of the flange plate, the sealing performance is better, and meanwhile, the corrugated pipe expands outwards, so that the sleeve drives the sealing gasket to be close to the side face of the flange plate, the sealing performance of the expansion joint is further improved, and the service life of the expansion joint is prolonged.
Description
Technical Field
The utility model belongs to the technical field of expansion joints, and particularly relates to a split type expansion joint.
Background
The expansion joint is a flexible structure arranged on a container shell or a pipeline in order to compensate additional stress caused by temperature difference and mechanical vibration, and has the advantages of reliable operation, good performance, compact structure and the like because the expansion joint is used as an elastic compensation element capable of freely stretching.
The existing expansion joint is generally sealed and installed by adopting a sealing ring, the structure is simple, the sealing performance of the expansion joint is poor, high-temperature leakage is caused, and the service life of the expansion joint is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a split type expansion joint, which solves the problems that the existing expansion joint is generally sealed and installed by a sealing ring, the structure is simple, the sealing performance of the expansion joint is poor, high-temperature leakage is caused, and the service life of the expansion joint is shortened by the design of a sleeve, a sealing gasket, an ear plate, a limiting spring and a flange plate.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a split type expansion joint, which comprises a corrugated pipe;
the inner walls of two ports of the corrugated pipe are both in sliding fit with sleeves, and one port of each sleeve, which is positioned on the outer side of the corrugated pipe, is fixedly connected with a sealing gasket;
a plurality of lug plates are uniformly and fixedly connected to the inner wall of the corrugated pipe, limiting springs are fixedly connected to two opposite side surfaces of each lug plate, and one end of each limiting spring is fixedly connected with one port of the sleeve positioned on the inner side of the corrugated pipe;
the two ports of the corrugated pipe are fixedly connected with flange plates, and one side face of the sealing gasket is in contact with the side face of the flange plate.
Furthermore, a plurality of mounting holes are formed in one side face of the flange plate, connecting rods penetrate through the inner walls of the two opposite mounting holes, and fastening nuts are symmetrically connected to the peripheral side faces of the connecting rods.
Furthermore, the outer wall of the sleeve is in clearance fit with the inner wall of the corrugated pipe, and a slope is formed at one port of the sleeve, which is positioned on the inner side of the corrugated pipe.
Furthermore, the side surface of the connecting rod is sleeved with a movable block, one surface of the movable block is fixedly connected with an elastic telescopic rod, one end of the elastic telescopic rod is fixedly connected with an arc-shaped clamping plate, and the inner wall of the arc-shaped clamping plate is in contact with the side surface of the corrugated pipe.
Furthermore, the inner wall of the arc-shaped clamping plate is uniformly and fixedly connected with anti-skidding convex points.
The utility model has the following beneficial effects:
1. according to the utility model, through the design of the sleeve, the sealing gasket, the lug plate, the limiting spring and the flange plate, the corrugated pipe is fixedly arranged on the pipeline through the flange plate, the connecting rod and the fastening nut, the sealing gasket is positioned between the flange plate and the pipeline port, the limiting spring of the lug plate pulls the sleeve inwards to enable the two sleeves to slide towards the inner side of the corrugated pipe, the sleeve drives the sealing gasket to be close to the side surface of the flange plate, the sealing performance is better, meanwhile, the corrugated pipe expands towards the outer side and drives the lug plate to move towards the outer side, the limiting spring bends towards the outer side, so that the limiting spring pulls the sleeve inwards again to enable the sleeve drives the sealing gasket to be close to the side surface of the flange plate, the sealing performance of the expansion joint is further improved, and the service life of the expansion joint is prolonged.
2. According to the utility model, through the design of the movable block, the elastic telescopic rod and the arc-shaped clamping plate, when the corrugated pipe expands outwards, the arc-shaped clamping plate is driven to move outwards, and the elastic telescopic rod slows down the outward movement of the arc-shaped clamping plate, so that the deformation of the corrugated pipe can be slowed down and recovered, and the stability of the expansion joint is improved.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a split expansion joint;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a structural elevation view of the present invention;
fig. 4 is a schematic view of the inside of the bellows.
In the drawings, the components represented by the respective reference numerals are listed below:
1-corrugated pipe, 101-sleeve pipe, 102-sealing gasket, 103-ear plate, 104-limiting spring, 105-flange plate, 106-connecting rod, 107-fastening nut, 108-movable block, 109-elastic telescopic rod and 110-arc clamping plate.
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. 1-4, the present invention is a split expansion joint, which includes a bellows 1; the inner walls of two ports of a corrugated pipe 1 are both in sliding fit with a sleeve 101, one port of the sleeve 101, which is positioned at the outer side of the corrugated pipe 1, is fixedly connected with a sealing gasket 102, the inner wall of the corrugated pipe 1 is uniformly and fixedly connected with a plurality of lug plates 103, two opposite side surfaces of the lug plates 103 are both fixedly connected with limiting springs 104, one end of each limiting spring 104 is fixedly connected with one port of the sleeve 101, which is positioned at the inner side of the corrugated pipe 1, two ports of the corrugated pipe 1 are both fixedly connected with flange plates 105, one side surface of each sealing gasket 102 is contacted with the side surface of each flange plate 105, each sealing gasket 102 is positioned between each flange plate 105 and a pipeline port, the limiting springs 104 of the lug plates 103 pull the sleeve 101 inwards to enable the two sleeve 101 to slide towards the inner side of the corrugated pipe 1, the sleeve 101 with each sealing gasket 102 is close to the side surfaces of the flange plates 105, the sealing performance is good, meanwhile, the corrugated pipe 1 expands outwards to drive the lug plates 103 to move to enable the limiting springs 104 to bend outwards, therefore, the limiting spring 104 pulls the sleeve 101 inwards again, the sleeve 101 with the sealing gasket 102 is closer to the side face of the flange plate 105, the sealing performance of the expansion joint is further improved, and the service life of the expansion joint is prolonged.
As shown in fig. 1-2, a plurality of mounting holes are formed in one side surface of the flange 105, a connecting rod 106 penetrates through the inner walls of the two opposite mounting holes, fastening nuts 107 are symmetrically connected to the peripheral side surface of the connecting rod 106, and the flange 105 is fixedly mounted on the pipeline through the connecting rod 106 and the fastening nuts 107.
As shown in fig. 4, the outer wall of the sleeve 101 is in clearance fit with the inner wall of the corrugated pipe 1, and a slope is formed at a port of the sleeve 101 located on the inner side of the corrugated pipe 1, so that the impact force of the fluid in the corrugated pipe 1 on the port of the sleeve 101 is reduced.
Wherein as shown in fig. 2-3, the side of the connecting rod 106 is sleeved with a movable block 108, the movable block 108 can slide on the connecting rod 106, a fixed surface of the movable block 108 is connected with an elastic telescopic rod 109, one end of the elastic telescopic rod 109 is fixedly connected with an arc-shaped clamping plate 110, the inner wall of the arc-shaped clamping plate 110 contacts with the side of the corrugated pipe 1, when the corrugated pipe 1 expands to the outside, the arc-shaped clamping plate 110 is driven to move to the outside, and the elastic telescopic rod 109 slows down the arc-shaped clamping plate 110 to move to the outside, so that the deformation of the corrugated pipe 1 can be slowed down and recovered, and the stability of the expansion joint is improved.
The inner wall of the arc-shaped clamping plate 110 is uniformly and fixedly connected with anti-slip bumps, so that the arc-shaped clamping plate 110 and the corrugated pipe 1 are prevented from sliding, and the movable block 108 is prevented from sliding on the connecting rod 106.
The working principle of the embodiment is as follows: when the expansion joint is used, the corrugated pipe 1 is fixedly installed on an existing pipeline through the flange plate 105, the connecting rod 106 and the fastening nut 107, the sealing gasket 102 is located between the flange plate 105 and a pipeline port, the limiting spring 104 of the lug plate 103 pulls the sleeve 101 inwards, the two sleeves 101 slide towards the inner side of the corrugated pipe 1, the sleeve 101 drives the sealing gasket 102 to be close to the side face of the flange plate 105, the sealing performance is good, meanwhile, the corrugated pipe 1 expands towards the outer side, the lug plate 103 is driven to move towards the outer side, the limiting spring 104 bends towards the outer side, the limiting spring 104 pulls the sleeve 101 inwards again, the sleeve 101 drives the sealing gasket 102 to be close to the side face of the flange plate 105, the sealing performance of the expansion joint is further improved, and the service life of the expansion joint is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A split expansion joint comprising a bellows (1); the method is characterized in that:
the inner walls of two ports of the corrugated pipe (1) are matched with a sleeve (101) in a sliding manner, and one port of the sleeve (101) positioned on the outer side of the corrugated pipe (1) is fixedly connected with a sealing gasket (102);
a plurality of lug plates (103) are uniformly and fixedly connected to the inner wall of the corrugated pipe (1), limiting springs (104) are fixedly connected to two opposite side surfaces of each lug plate (103), and one ends of the limiting springs (104) are fixedly connected with one ports, located on the inner side of the corrugated pipe (1), of the sleeves (101);
the corrugated pipe is characterized in that two ports of the corrugated pipe (1) are fixedly connected with flange plates (105), and one side face of the sealing gasket (102) is in contact with the side face of the flange plate (105).
2. The split type expansion joint according to claim 1, wherein a plurality of mounting holes are formed in one side surface of the flange plate (105), a connecting rod (106) penetrates between the inner walls of the two opposite mounting holes, and fastening nuts (107) are symmetrically connected to the peripheral side surface of the connecting rod (106).
3. The split expansion joint according to claim 1, wherein the outer wall of the sleeve (101) is in clearance fit with the inner wall of the corrugated pipe (1), and an opening of the sleeve (101) on the inner side of the corrugated pipe (1) is provided with a slope.
4. The split type expansion joint as claimed in claim 2, wherein the connecting rod (106) is sleeved with a movable block (108), an elastic telescopic rod (109) is fixedly connected to one surface of the movable block (108), one end of the elastic telescopic rod (109) is fixedly connected with an arc-shaped clamping plate (110), and the inner wall of the arc-shaped clamping plate (110) is in contact with the peripheral side of the corrugated pipe (1).
5. The split-type expansion joint as claimed in claim 4, wherein the inner wall of the arc-shaped splint (110) is uniformly and fixedly connected with anti-slip convex points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121492511.1U CN215807083U (en) | 2021-07-02 | 2021-07-02 | Split type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121492511.1U CN215807083U (en) | 2021-07-02 | 2021-07-02 | Split type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215807083U true CN215807083U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121492511.1U Active CN215807083U (en) | 2021-07-02 | 2021-07-02 | Split type expansion joint |
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| CN (1) | CN215807083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117329374A (en) * | 2023-12-01 | 2024-01-02 | 江苏宏博机械制造有限公司 | Resistance-free corrugated compensator |
-
2021
- 2021-07-02 CN CN202121492511.1U patent/CN215807083U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117329374A (en) * | 2023-12-01 | 2024-01-02 | 江苏宏博机械制造有限公司 | Resistance-free corrugated compensator |
| CN117329374B (en) * | 2023-12-01 | 2024-02-20 | 江苏宏博机械制造有限公司 | Resistance-free corrugated compensator |
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