CN210088254U - Bellows expansion joint - Google Patents
Bellows expansion joint Download PDFInfo
- Publication number
- CN210088254U CN210088254U CN201920512782.5U CN201920512782U CN210088254U CN 210088254 U CN210088254 U CN 210088254U CN 201920512782 U CN201920512782 U CN 201920512782U CN 210088254 U CN210088254 U CN 210088254U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- joint
- cover body
- connecting plate
- section expansion
- 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
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Abstract
The utility model provides a bellows expansion joint, which comprises a left joint, a right joint and an expansion joint body, wherein the expansion joint body comprises a left section expansion joint, a middle section expansion joint and a right section expansion joint; the utility model discloses under the exogenic action, the bellows expansion joint can carry out effectual flexible, and the cover body and coupling mechanism can effectually avoid the deformation and the damage of bellows expansion joint, through being provided with left section expansion joint, right section expansion joint and middle section expansion joint, through the mode of reducing, has guaranteed the variety of this bellows, and stability is better.
Description
Technical Field
The utility model relates to a bellows technical field, concretely relates to bellows expansion joint.
Background
The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along a folding and stretching direction, and mainly comprises a rubber plastic corrugated pipe, a metal pipe opening rubber corrugated pipe and a stainless steel corrugated pipe.
The existing reducing corrugated pipe is easy to deform or damage under the action of tensile force, has poor toughness, is easy to damage under the action of external force collision, has low strength and poor stability, and seriously influences the service life of the reducing corrugated pipe.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model provides a bellows expansion joint.
The utility model provides a technical scheme of above-mentioned problem does: a corrugated pipe expansion joint comprises a left joint, a right joint and an expansion joint body, wherein the expansion joint body comprises a left section expansion joint, a middle section expansion joint and a right section expansion joint, the middle section expansion joint is positioned between the left section expansion joint and the right section expansion joint, the left section expansion joint is connected with the left joint, and the right section expansion joint is connected with the right joint;
a cover body is arranged outside the middle section expansion joint, two first fixing pieces are arranged on the left joint, the cover body is connected with the first fixing pieces through a first connecting mechanism, and the cover body is connected with the right joint through a second connecting mechanism;
the first connecting mechanism comprises a first connecting plate, a second connecting plate and a first pin shaft, one end of the first connecting plate is connected with the first fixing piece, the other end of the first connecting plate is connected with the cover body through the first pin shaft, one end of the second connecting plate is connected with the first fixing piece, the other end of the second connecting plate is connected with the cover body through the first pin shaft, the first connecting plate is arranged outside the cover body, and the second connecting plate is arranged in the cover body;
the second connecting mechanism comprises a plurality of first L-shaped connecting rods, one end of each first L-shaped connecting rod is fixedly connected with the left connecting pipe, the other end of each first L-shaped connecting rod is provided with a first sliding block, the cover body is provided with a first sliding groove matched with the first sliding block, the first sliding block is slidably arranged in the first sliding groove, and the first sliding groove is arranged along the length direction of the cover body.
The utility model discloses beneficial effect has:
the utility model discloses under the exogenic action, the bellows expansion joint can carry out effectual flexible, and the cover body and coupling mechanism can effectually avoid the deformation and the damage of bellows expansion joint, through being provided with left section expansion joint, right section expansion joint and middle section expansion joint, through the mode of reducing, has guaranteed the variety of this bellows, and stability is better.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of a first coupling mechanism;
FIG. 3 is a schematic structural view of a second coupling mechanism;
in the figure: 101-left joint, 102-right joint, 103-left section expansion joint, 104-middle section expansion joint, 105-right section expansion joint, 106-cover body, 107-first fixing piece, 109-first connecting plate, 110-second connecting plate, 111-first pin shaft, 112-first L-shaped connecting rod and 113-first sliding block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in the figure, the expansion joint of the corrugated pipe comprises a left joint, a right joint and an expansion joint body, wherein the expansion joint body comprises a left section expansion joint, a middle section expansion joint and a right section expansion joint, the middle section expansion joint is positioned between the left section expansion joint and the right section expansion joint, the left section expansion joint is connected with the left joint, and the right section expansion joint is connected with the right joint;
a cover body is arranged outside the middle section expansion joint, two first fixing pieces are arranged on the left joint, the cover body is connected with the first fixing pieces through a first connecting mechanism, and the cover body is connected with the right joint through a second connecting mechanism;
the first connecting mechanism comprises a first connecting plate, a second connecting plate and a first pin shaft, one end of the first connecting plate is connected with the first fixing piece, the other end of the first connecting plate is connected with the cover body through the first pin shaft, one end of the second connecting plate is connected with the first fixing piece, the other end of the second connecting plate is connected with the cover body through the first pin shaft, the first connecting plate is arranged outside the cover body, and the second connecting plate is arranged in the cover body;
the second connecting mechanism comprises a plurality of first L-shaped connecting rods, one end of each first L-shaped connecting rod is fixedly connected with the left connecting pipe, the other end of each first L-shaped connecting rod is provided with a first sliding block, the cover body is provided with a first sliding groove matched with the first sliding block, the first sliding block is slidably arranged in the first sliding groove, and the first sliding groove is arranged along the length direction of the cover body.
The utility model discloses under the exogenic action, the bellows expansion joint can carry out effectual flexible, and the cover body and coupling mechanism can effectually avoid the deformation and the damage of bellows expansion joint, through being provided with left section expansion joint, right section expansion joint and middle section expansion joint, through the mode of reducing, has guaranteed the variety of this bellows, and stability is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (2)
1. A corrugated pipe expansion joint is characterized by comprising a left joint, a right joint and an expansion joint body, wherein the expansion joint body comprises a left section expansion joint, a middle section expansion joint and a right section expansion joint;
a cover body is arranged outside the middle section expansion joint, two first fixing pieces are arranged on the left joint, the cover body is connected with the first fixing pieces through a first connecting mechanism, and the cover body is connected with the right joint through a second connecting mechanism;
the first connecting mechanism comprises a first connecting plate, a second connecting plate and a first pin shaft, one end of the first connecting plate is connected with the first fixing piece, the other end of the first connecting plate is connected with the cover body through the first pin shaft, one end of the second connecting plate is connected with the first fixing piece, and the other end of the second connecting plate is connected with the cover body through the first pin shaft;
the second connecting mechanism comprises a plurality of first L-shaped connecting rods, one end of each first L-shaped connecting rod is fixedly connected with the left connecting pipe, the other end of each first L-shaped connecting rod is provided with a first sliding block, the cover body is provided with a first sliding groove matched with the first sliding block, the first sliding block is slidably arranged in the first sliding groove, and the first sliding groove is arranged along the length direction of the cover body.
2. A bellows expansion joint as claimed in claim 1, wherein said first connecting plate is disposed outside the housing and said second connecting plate is disposed inside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512782.5U CN210088254U (en) | 2019-04-16 | 2019-04-16 | Bellows expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512782.5U CN210088254U (en) | 2019-04-16 | 2019-04-16 | Bellows expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210088254U true CN210088254U (en) | 2020-02-18 |
Family
ID=69474486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512782.5U Expired - Fee Related CN210088254U (en) | 2019-04-16 | 2019-04-16 | Bellows expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210088254U (en) |
-
2019
- 2019-04-16 CN CN201920512782.5U patent/CN210088254U/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: 20200218 Termination date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |