CN219786313U - Pipe expanding device for pipeline - Google Patents
Pipe expanding device for pipeline Download PDFInfo
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- CN219786313U CN219786313U CN202320572693.6U CN202320572693U CN219786313U CN 219786313 U CN219786313 U CN 219786313U CN 202320572693 U CN202320572693 U CN 202320572693U CN 219786313 U CN219786313 U CN 219786313U
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- pipeline
- electric drill
- pipe
- wall
- rod
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- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 239000005060 rubber Substances 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a pipe expanding device for a pipeline, which relates to the technical field of pipe expanding, and comprises an electric drill, wherein a sleeve is formed at one end of the electric drill, an alignment assembly is arranged on the outer wall of the sleeve and used for enabling the device to be arranged at the center of the pipeline, a pipe expanding structure is arranged at one end of the electric drill, the pipe expanding structure is matched with the alignment assembly to expand the pipeline, a power line is arranged at the bottom of the electric drill, one side surface of a limiting block presents an arc shape, and a plurality of strip-shaped rubbers are arranged on the arc surface of the limiting block. According to the utility model, the alignment assembly and the expansion pipe structure are arranged, and the fixing piece and the fixing cap are adjusted through elastic deformation of the connecting spring, so that the utility model is suitable for pipelines with different sizes; the limiting block on the connecting rod is utilized, the limiting block is tightly attached to the outer wall of the pipeline through the connecting spring, so that the center of the pipeline is aligned with the center of the expansion head, and when the pipe expansion work is carried out, the expansion pipe part of the pipeline is uniformly expanded, and the damage of the expansion opening of the pipeline is avoided.
Description
Technical Field
The utility model relates to the technical field of pipe expansion, in particular to a pipe expansion device for a pipeline.
Background
The tube expansion process is generally used in the occasion that two media exchange heat with each other; the tube expansion process is widely applied to the production of heat exchange equipment condensers and evaporators (air coolers) in the refrigeration industry.
The expansion force of the expansion head of the pipe expander is used for enabling the pipeline to generate plastic deformation, so that the outer wall of the pipeline is tightly expanded and connected with the inner hole after diameter expansion, most of the current pipe expanding devices are directly expanded on the inner wall of the pipeline through the pipe expanding structure, and when the pipeline is expanded, the inner wall of the pipeline is manually aligned, so that the force applied to the inner wall of the pipeline is uneven, the outer wall of the pipeline is easily damaged after the pipeline is expanded, and the quality of the pipeline is affected.
Disclosure of Invention
The utility model aims at: in order to solve the problem that an expansion opening is easy to damage after a pipeline is expanded, the pipe expanding device for the pipeline is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pipe expanding device for the pipeline comprises an electric drill, wherein a sleeve is formed at one end of the electric drill, an alignment assembly is arranged on the outer wall of the sleeve and used for enabling the device to be arranged at the center of the pipeline, and the alignment assembly comprises a positioning rod, a connecting spring, a connecting rod and a limiting block;
the positioning rod is in threaded connection with the outer wall of one end of the electric drill, the connecting spring is sleeved on the outer wall of the positioning rod, one end of the connecting spring is fixedly connected with one end of the positioning rod, which is close to the electric drill, the connecting rod is fixedly connected with the other end of the connecting spring and is sleeved on the outer wall of the positioning rod, and the limiting block is fixedly connected with one end of the connecting rod, which is far away from the electric drill;
an expansion pipe structure is arranged at one end of the electric drill, the expansion pipe structure is matched with the alignment assembly to expand a pipe, and the expansion pipe structure comprises a rotating rod, a double-waist-shaped hole gasket, an expansion head, a fixing piece and a fixing cap;
the utility model discloses a rotary electric drill, including the telescopic handle, the telescopic handle is run through in output shaft one end of electric drill, two waist type hole gasket fixed connection are in the one end that the electric drill was kept away from to the telescopic handle, the mounting runs through the both ends of expanding the head, fixed cap threaded connection is in the one end of mounting, the expanding head is fixed in the other end of mounting, expanding head and mounting contact position department have seted up waist type hole.
As still further aspects of the utility model: the bottom of electric drill is provided with the power cord, the inside of electric drill is provided with lets dwang pivoted driving motor, power cord passes through wire electric connection with driving motor.
As still further aspects of the utility model: one side surface of the limiting block presents an arc shape, and a plurality of strip-shaped rubbers are fixed on the arc surface of the limiting block.
As still further aspects of the utility model: the inner wall of the positioning rod is provided with threads, and the connecting part of the outer wall of the sleeve at one end of the electric drill and the positioning rod is provided with threads corresponding to the inner wall of the positioning rod;
the inside shaping of fixing cap has the screw thread, the mounting is formed with the screw thread corresponding with the fixing cap inner wall with the fixing cap junction.
As still further aspects of the utility model: the length of the connecting rod is greater than the total length of the rotating rod and the expansion head.
As still further aspects of the utility model: the outside of expanding the head is the fillet form, the connecting pressure between mounting and the fixed cap is greater than the centrifugal force that the dwang rotated and produced.
As still further aspects of the utility model: the pressure and friction force of the limiting block on the pipeline are larger than the torsion force generated by the rotation of the expansion head on the pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
through arranging the alignment component and the expansion pipe structure, the elastic deformation of the connecting spring and the adjustment of the fixing piece and the fixing cap are adopted, so that the pipe fitting is suitable for pipes with different sizes; the limiting block on the connecting rod is utilized, the limiting block is tightly attached to the outer wall of the pipeline through the connecting spring, so that the center of the pipeline is aligned with the center of the expansion head, and when the pipe expansion work is carried out, the expansion pipe part of the pipeline is uniformly expanded, and the damage of the expansion opening of the pipeline is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another view of the present utility model;
FIG. 3 is a schematic view of an alignment assembly of the present utility model;
fig. 4 is a schematic structural view of the expansion pipe structure of the present utility model.
In the figure: 1. electric drill; 2. an alignment assembly; 201. a positioning rod; 202. a connecting spring; 203. a connecting rod; 204. a limiting block; 3. an expansion pipe structure; 301. a rotating lever; 302. a double-waist-shaped hole gasket; 303. expanding the head; 304. a fixing member; 305. a fixing cap; 4. a power line; 5. a sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in an embodiment of the present utility model, a pipe expanding device for a pipe includes an electric drill 1, a sleeve 5 is formed at one end of the electric drill 1, an alignment component 2 is installed on an outer wall of the sleeve 5, the alignment component 2 is used for centering the pipe by the device, and the alignment component 2 includes a positioning rod 201, a connecting spring 202, a connecting rod 203 and a limiting block 204;
the positioning rod 201 is in threaded connection with the outer wall of one end of the electric drill 1, the connecting spring 202 is sleeved on the outer wall of the positioning rod 201, one end of the connecting spring 202 is fixedly connected with one end of the positioning rod 201, which is close to the electric drill 1, the connecting rod 203 is fixedly connected with the other end of the connecting spring 202 and is sleeved on the outer wall of the positioning rod 201, and the limiting block 204 is fixedly connected with one end of the connecting rod 203, which is far away from the electric drill 1;
an electric drill 1 is provided with an expansion pipe structure 3 at one end, the expansion pipe structure 3 is matched with the alignment assembly to expand a pipe, and the expansion pipe structure 3 comprises a rotating rod 301, a double-waist-shaped hole gasket 302, an expansion head 303, a fixing piece 304 and a fixing cap 305;
the rotating rod 301 penetrates through the sleeve 5 and is fixedly connected to one end of an output shaft of the electric drill 1, the double-waist-shaped hole gasket 302 is fixedly connected to one end, far away from the electric drill 1, of the rotating rod 301, the fixing piece 304 penetrates through two ends of the expanding head 303, the fixing cap 305 is connected to one end of the fixing piece 304 in a threaded mode, the expanding head 303 is fixed to the other end of the fixing piece 304, and waist-shaped holes are formed in the contact positions of the expanding head 303 and the fixing piece 304.
In this embodiment: it should be noted that: the device is suitable for a single long pipeline, when the structure is used for expanding the pipeline, the connecting spring 202 is deformed by pulling the connecting rod 203, so that the position of the connecting rod 203 on the positioning rod 201 is changed, a limiting block 204 on one end of the connecting rod 203 is tightly attached to the outer wall of the pipeline to be expanded, the horizontal position of the pipeline is fixed, and the center of the pipeline is aligned with the center of the expansion head 303;
the fixing cap 305 is unscrewed by rotation, the fixing state of the expansion head 303 is canceled, so that the expansion head 303 is moved, the outer wall of one end of the expansion head 303 is clung to the inner wall of the pipeline, the fixing cap 305 is rotated reversely again, the fixing cap 305 and the expansion head 303 squeeze the double-waist-shaped hole gasket 302, and the expansion head 303 is fixed;
then, the electric drill 1 is started, the rotating rod 301 starts to rotate, the double-waist-shaped hole gaskets 302 are driven to rotate, the expansion heads 303 are driven to rotate, and accordingly pipe expansion work is carried out, the pipe expansion part of the pipeline is expanded evenly, and damage to the outer wall of the pipeline is avoided.
Referring to fig. 1-2, a power cord 4 is disposed at the bottom of the electric drill 1, a driving motor for rotating the rotary rod 301 is disposed in the electric drill 1, and the power cord 4 is electrically connected with the driving motor through a wire.
In this embodiment: when the structure is used for expanding, the power wire 4 is connected with a power supply, and the driving motor is started, so that the rotating rod 301 rotates to drive the expanding head 303 to rotate, and the expanding operation is completed.
Referring to fig. 1 to 3, a side surface of the limiting block 204 presents an arc shape, and a plurality of strip-shaped rubbers are fixed on the arc surface of the limiting block 204.
In this embodiment: the structure can enable the limiting block 204 to be clung to the outer wall of the pipeline, and the rubber strip on the cambered surface of the limiting block 204 improves the friction force of the limiting block 204 to the outer wall of the pipeline.
Referring to fig. 1 to 4, the inner wall of the positioning rod 201 is formed with threads, and the connection part between the outer wall of the sleeve 5 at one end of the electric drill 1 and the positioning rod 201 is formed with threads corresponding to the inner wall of the positioning rod 201;
the connecting part of the fixing piece 304 and the fixing cap 305 is formed with threads corresponding to the inner wall of the fixing cap 305.
In this embodiment: the structure can prevent the connection between the outer wall of the sleeve 5 and the positioning rod 201 and the connection between the fixing piece 304 and the fixing cap 305 from falling off under the action of external force.
Referring to fig. 1-2, the length of the connecting rod 203 is greater than the total length of the rotating rod 301 and the expansion head 303.
In this embodiment: the structure can avoid extrusion between the expansion head 303 and the limiting block 204 when the pipe expansion work is performed, so that the pipe expansion of the pipeline can not meet the requirement.
Referring to fig. 1, 2 and 4, the outer side of the expansion head 303 is rounded, and the connection pressure between the fixing member 304 and the fixing cap 305 is greater than the centrifugal force generated by the rotation of the rotation rod 301.
In this embodiment: this structure can let the expanded pipe part of pipeline can smooth transition to the unexpanded pipe part when carrying out the expanded pipe work, and the connection avoids expanding head 303 to take place the activity between mounting 304 and the fixed cap 305 simultaneously to influence the expanded pipe result.
Referring to fig. 1-2, the pressure and friction force of the limiting block 204 on the pipe are greater than the torsion force generated by the rotation of the expansion head 303 on the pipe.
In this embodiment: when the rotating rod 301 drives the expansion head 303 to rotate the expansion pipe, the pipeline can be rotated by the torsional force generated by the rotation of the expansion head 303 to the pipeline, the limiting block 204 on the connecting rod 203 is tightly attached to the outer wall of the pipeline by the elastic force of the connecting spring 202, the pipeline is clamped, and meanwhile, the friction force between the limiting block and the outer wall of the pipeline is increased by the rubber strip on the cambered surface of the limiting block 204, so that the rotation of the pipeline is limited, and the influence on the pipe expansion efficiency due to the rotation of the pipeline is avoided.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The pipe expanding device for the pipeline comprises an electric drill (1), and is characterized in that a sleeve (5) is formed at one end of the electric drill (1), an alignment assembly (2) is arranged on the outer wall of the sleeve (5), the alignment assembly (2) is used for enabling the device to be arranged at the center of the pipeline, and the alignment assembly (2) comprises a positioning rod (201), a connecting spring (202), a connecting rod (203) and a limiting block (204);
the positioning rod (201) is in threaded connection with the outer wall of one end of the electric drill (1), the connecting spring (202) is sleeved on the outer wall of the positioning rod (201) and one end of the connecting spring is fixedly connected with one end of the positioning rod (201) close to the electric drill (1), the connecting rod (203) is fixedly connected with the other end of the connecting spring (202) and is sleeved on the outer wall of the positioning rod (201), and the limiting block (204) is fixedly connected with one end of the connecting rod (203) far away from the electric drill (1);
an expanding structure (3) is arranged at one end of the electric drill (1), the expanding structure (3) is matched with the alignment assembly to expand a pipeline, and the expanding structure (3) comprises a rotating rod (301), a double-waist-shaped hole gasket (302), an expanding head (303), a fixing piece (304) and a fixing cap (305);
the rotary rod (301) penetrates through one end of the sleeve (5) and is fixedly connected with an output shaft of the electric drill (1), the double-waist-shaped hole gasket (302) is fixedly connected with one end, far away from the electric drill (1), of the rotary rod (301), the fixing piece (304) penetrates through two ends of the expansion head (303), the fixing cap (305) is in threaded connection with one end of the fixing piece (304), the expansion head (303) is fixed to the other end of the fixing piece (304), and waist-shaped holes are formed in the contact positions of the expansion head (303) and the fixing piece (304).
2. The pipe expanding device for the pipeline according to claim 1, wherein a power line (4) is arranged at the bottom of the electric drill (1), a driving motor for enabling the rotating rod (301) to rotate is arranged inside the electric drill (1), and the power line (4) is electrically connected with the driving motor through a lead.
3. The pipe expanding device for the pipeline according to claim 1, wherein one side surface of the limiting block (204) is arc-shaped, and a plurality of strip-shaped rubbers are fixed on the arc surface of the limiting block (204).
4. The pipe expanding device for the pipeline according to claim 1, wherein the inner wall of the positioning rod (201) is provided with threads, and the connecting part of the outer wall of the sleeve (5) at one end of the electric drill (1) and the positioning rod (201) is provided with threads corresponding to the inner wall of the positioning rod (201);
the inside shaping of fixed cap (305) has the screw thread, fixed part (304) and fixed cap (305) junction site shaping have the screw thread corresponding with fixed cap (305) inner wall.
5. A pipe expander device according to claim 1, wherein the length of the connecting rod (203) is greater than the total length of the swivel rod (301) and the expander head (303).
6. A pipe expander device according to claim 1, wherein the outer side of the expander head (303) is rounded, and the connection pressure between the fixing member (304) and the fixing cap (305) is greater than the centrifugal force generated by rotation of the rotary rod (301).
7. A pipe expander device according to claim 1, wherein the pressure and friction of the stopper (204) against the pipe is greater than the torsional force of the expansion head (303) rotating against the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320572693.6U CN219786313U (en) | 2023-03-22 | 2023-03-22 | Pipe expanding device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320572693.6U CN219786313U (en) | 2023-03-22 | 2023-03-22 | Pipe expanding device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786313U true CN219786313U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320572693.6U Active CN219786313U (en) | 2023-03-22 | 2023-03-22 | Pipe expanding device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299981A (en) * | 2023-11-23 | 2023-12-29 | 江苏华裕机电科技有限公司 | A pipe equipment that rises for electric motor car handlebar production |
-
2023
- 2023-03-22 CN CN202320572693.6U patent/CN219786313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299981A (en) * | 2023-11-23 | 2023-12-29 | 江苏华裕机电科技有限公司 | A pipe equipment that rises for electric motor car handlebar production |
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