CN215635502U - Pipeline connecting piece adopting expansion structure - Google Patents
Pipeline connecting piece adopting expansion structure Download PDFInfo
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- CN215635502U CN215635502U CN202121011417.XU CN202121011417U CN215635502U CN 215635502 U CN215635502 U CN 215635502U CN 202121011417 U CN202121011417 U CN 202121011417U CN 215635502 U CN215635502 U CN 215635502U
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- tensioning
- clamping shell
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Abstract
The utility model provides a pipeline connecting piece adopting an expansion structure, which belongs to the technical field of pipeline connection and comprises a connecting part and tensioning parts arranged at two ends of the connecting part, wherein the tensioning parts are used for fixing a pipeline at two ends of the connecting part, the connecting part comprises a clamping shell and a tensioning layer, two ends of the clamping shell are provided with counter bores, a water through hole communicated with the counter bores is formed in the clamping shell, and the tensioning layer is arranged in the counter bores. In the embodiment of the utility model, when the pipeline is connected, the pipeline can be inserted into the counter bore from the end part of the clamping shell, the tensioning piece is driven to move towards the inside of the counter bore by the support moving along the clamping shell in the reverse direction, so that the tensioning layer is pressed, the tensioning layer is tightly attached to the side wall of the pipeline, and the pipeline is connected with the clamping shell.
Description
Technical Field
The utility model belongs to the technical field of pipeline connection, and particularly relates to a pipeline connecting piece adopting an expansion structure.
Background
At present, the connection between pipelines is mostly realized by structures such as joints or flanges.
When the pipeline is connected by adopting the joint, the joint with the adaptive size is mostly selected, and the pipeline is rigidly extruded into the end part of the joint, so that the pipeline is easily damaged due to the large sliding friction force between the pipeline and the joint in the connection mode; when the flange is adopted to connect the pipeline, the bolts and the nut assemblies used for connecting the flange need to be screwed for many times, the operation is complex, and the stress of each group of bolts and nuts cannot be guaranteed to be consistent, so that the pipeline deforms after being used for a long time, and the connecting effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, an embodiment of the present invention provides a pipe coupling using an expansion structure.
In order to solve the technical problems, the utility model provides the following technical scheme:
a pipeline connecting piece adopting an expansion structure comprises a connecting part and tensioning parts arranged at two ends of the connecting part,
the tensioning parts are used for fixing the pipelines at two ends of the connecting part,
the connecting part comprises a clamping shell and a tensioning layer, counter bores are formed in two ends of the clamping shell, water through holes communicated with the counter bores are formed in the clamping shell, and the tensioning layer is arranged in the counter bores;
the tensioning portion comprises a supporting portion and a tensioning piece, the tensioning piece is arranged on the inner side of the supporting portion, the supporting portion can move in the reverse direction of the length of the clamping shell to drive the tensioning piece to move to the interior of the counter bore, and the tensioning layer is driven to be tightly attached to the side wall of the pipeline.
As a further improvement of the utility model: the tensioning layer is cyclic annular toper structure, the supporting part drives when the tensioning piece removes, the tensioning piece acts on tensioning layer outer wall.
As a further improvement of the utility model: the tensioning piece the centre gripping shell and the supporting part is the loop configuration, the internal thread has been seted up to the supporting part inner wall, the external screw thread has been seted up to centre gripping shell outer wall, the supporting part cover is located the centre gripping shell is outside, tensioning piece pastes and locates the counter bore inner wall.
As a further improvement of the utility model: the tensioning piece with rotate through the rotating part between the supporting part and be connected.
As a still further improvement of the utility model: the rotating part includes backup pad and pin rod, the pin rod is fixed to be set up the backup pad lateral wall, the through-hole that can supply the pipeline to pass is seted up at the backup pad middle part, the draw-in groove has been seted up to the supporting part inner wall, the pin rod extends to inside the draw-in groove and with draw-in groove sliding fit.
As a still further improvement of the utility model: the tensioning layer is made of rubber or silica gel materials.
Compared with the prior art, the utility model has the beneficial effects that:
in the embodiment of the utility model, when the pipeline is connected, the pipeline can be inserted into the counter bore from the end part of the clamping shell, the tensioning piece is driven to move towards the inside of the counter bore by the support moving along the clamping shell in the reverse direction, so that the tensioning layer is pressed, the tensioning layer is tightly attached to the side wall of the pipeline, and the pipeline is connected with the clamping shell.
Drawings
FIG. 1 is a schematic view of a pipe coupling in an expanded configuration;
FIG. 2 is a schematic view of a tension section of a pipe coupling in an expanded configuration;
FIG. 3 is a schematic view of a joint in a pipe coupling using an expanded configuration;
FIG. 4 is an enlarged view of area A of FIG. 1;
in the figure: 1-pipeline, 2-tensioning part, 21-supporting plate, 22-tensioning part, 23-pin rod, 24-clamping groove, 25-supporting part, 26-internal thread, 27-external thread, 28-through hole, 3-connecting part, 31-counter bore, 32-tensioning layer, 33-clamping shell and 34-water through hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, the embodiment provides a pipeline connecting piece adopting an expansion structure, including a connecting portion 3 and tensioning portions 2 disposed at two ends of the connecting portion 3, where the tensioning portions 2 are used to fix a pipeline 1 at two ends of the connecting portion 3, the connecting portion 3 includes a clamping shell 33 and a tensioning layer 32, two ends of the clamping shell 33 are provided with counterbores 31, a water through hole 34 communicated with the counterbores 31 is formed inside the clamping shell 33, and the tensioning layer 32 is disposed inside the counterbores 31; the tensioning part 2 comprises a supporting part 25 and a tensioning part 22, the tensioning part 22 is arranged on the inner side of the supporting part 25, the supporting part 25 can move reversely along the length of the clamping shell 33 to drive the tensioning part 22 to move into the counter bore 31, and the tensioning layer 32 is driven to be tightly attached to the side wall of the pipeline 1.
When the pipeline 1 is connected, the pipeline 1 can be inserted into the counter bore 31 from the end part of the clamping shell 33, and the supporting part 25 moves reversely along the clamping shell 33 to drive the tensioning piece 22 to move towards the inside of the counter bore 31, so as to apply pressure to the tensioning layer 32, so that the tensioning layer 32 is tightly attached to the side wall of the pipeline 1, and the connection between the pipeline 1 and the clamping shell 33 is realized.
Referring to fig. 3, in an embodiment, the tension layer 32 is in an annular tapered structure, and when the support portion 25 drives the tension member 22 to move, the tension member 22 acts on an outer wall of the tension layer 32 to apply pressure to the tension layer 32, so that the tension layer 32 is tightly attached to a side wall of the pipe 1, thereby achieving connection of the pipe 1.
Referring to fig. 4, in an embodiment, the tensioning member 22, the clamping shell 33 and the supporting portion 25 are all ring-shaped structures, an inner wall of the supporting portion 25 is provided with an inner thread 26, an outer wall of the clamping shell 33 is provided with an outer thread, the supporting portion 25 is sleeved outside the clamping shell 33, and the tensioning member 22 is attached to an inner wall of the counterbore 31.
Through rotating supporting portion 25, utilize the interlock effect between internal thread 26 and the external screw thread 27 for supporting portion 25 removes in centre gripping shell 33 relatively, with drive tensioning member 22 to the inside removal of counter bore 31, then act on tensioning layer 32 outer wall, orders about tensioning layer 32 and hugs closely the pipeline 1 outer wall, with form the tensioning effect to pipeline 1, realizes pipeline 1's fixed and sealed.
Referring to fig. 4, in an embodiment, the tension member 22 is rotatably connected to the supporting portion 25 through a rotating portion, so that when the supporting portion 25 is rotated and the supporting portion 25 moves along the clamping shell 33, the tension member 22 can rotate without being rotated by the rotating action of the supporting portion 25, so that the tension member 22 moves towards the inside of the counterbore 31 in a straight posture, and further, the pressure application effect on the tension layer 32 is improved, and the connection effect with the pipeline 1 is improved.
Referring to fig. 3, in an embodiment, the rotating portion includes a supporting plate 21 and a pin 23, the pin 23 is fixedly disposed on a side wall of the supporting plate 21, a through hole 28 for the pipe 1 to pass through is formed in a middle portion of the supporting plate 21, a slot 24 is formed in an inner wall of the supporting portion 25, and the pin 23 extends into the slot 24 and is in sliding fit with the slot 24.
When the supporting portion 25 is rotated and the supporting portion 25 moves along the clamping shell 33, because the tensioning member 2 is subjected to the friction force between the inner wall of the counterbore 31 and the outer wall of the tensioning layer 32, the supporting plate 21 can rotate relative to the supporting portion 25, that is, the pin 23 slides along the inside of the clamping groove 24, and when the supporting portion 25 moves, the tensioning member 22 is driven by the pin 23 and the supporting plate 21 to move towards the inside of the counterbore 31, so as to apply pressure to the tensioning layer 32.
In the above embodiment, the tension layer 32 may be made of rubber or silicone material.
In the embodiment of the utility model, when the pipeline 1 is connected, the pipeline 1 can be inserted into the counter bore 31 from the end part of the clamping shell 33, and the supporting part 25 moves reversely along the clamping shell 33 to drive the tensioning part 22 to move towards the inside of the counter bore 31, so as to apply pressure to the tensioning layer 32, so that the tensioning layer 32 is tightly attached to the side wall of the pipeline 1, and further the connection between the pipeline 1 and the clamping shell 33 is realized.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. A pipeline connecting piece adopting an expansion structure is characterized by comprising a connecting part and tensioning parts arranged at two ends of the connecting part,
the tensioning parts are used for fixing the pipelines at two ends of the connecting part,
the connecting part comprises a clamping shell and a tensioning layer, counter bores are formed in two ends of the clamping shell, water through holes communicated with the counter bores are formed in the clamping shell, and the tensioning layer is arranged in the counter bores;
the tensioning portion comprises a supporting portion and a tensioning piece, the tensioning piece is arranged on the inner side of the supporting portion, the supporting portion can move in the reverse direction of the length of the clamping shell to drive the tensioning piece to move to the interior of the counter bore, and the tensioning layer is driven to be tightly attached to the side wall of the pipeline.
2. The pipe connecting member according to claim 1, wherein the tension layer is a ring-shaped cone structure, and the tension member acts on an outer wall of the tension layer when the support portion moves the tension member.
3. The pipe connecting piece adopting the expansion structure as claimed in claim 2, wherein the tensioning member, the clamping shell and the supporting portion are all of an annular structure, an inner thread is formed on an inner wall of the supporting portion, an outer thread is formed on an outer wall of the clamping shell, the supporting portion is sleeved outside the clamping shell, and the tensioning member is attached to the inner wall of the counter bore.
4. A pipe coupling according to any one of claims 1 to 3, wherein the tension member is rotatably connected to the support portion by a rotatable portion.
5. The pipe connecting piece according to claim 4, wherein the rotating portion comprises a support plate and a pin, the pin is fixedly disposed on the sidewall of the support plate, a through hole for passing a pipe is formed in the middle of the support plate, a slot is formed in the inner wall of the support portion, and the pin extends into the slot and is in sliding fit with the slot.
6. The pipe connection according to claim 1, wherein the tension layer is made of rubber or silicone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011417.XU CN215635502U (en) | 2021-05-12 | 2021-05-12 | Pipeline connecting piece adopting expansion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011417.XU CN215635502U (en) | 2021-05-12 | 2021-05-12 | Pipeline connecting piece adopting expansion structure |
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| Publication Number | Publication Date |
|---|---|
| CN215635502U true CN215635502U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121011417.XU Active CN215635502U (en) | 2021-05-12 | 2021-05-12 | Pipeline connecting piece adopting expansion structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059667A (en) * | 2022-08-19 | 2022-09-16 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
-
2021
- 2021-05-12 CN CN202121011417.XU patent/CN215635502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059667A (en) * | 2022-08-19 | 2022-09-16 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
| CN115059667B (en) * | 2022-08-19 | 2022-11-08 | 鄄城鑫磊交通工程材料有限公司 | A connection structure for sounding pipe |
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