CN116748398A - Expanding tool - Google Patents
Expanding tool Download PDFInfo
- Publication number
- CN116748398A CN116748398A CN202311047209.9A CN202311047209A CN116748398A CN 116748398 A CN116748398 A CN 116748398A CN 202311047209 A CN202311047209 A CN 202311047209A CN 116748398 A CN116748398 A CN 116748398A
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- CN
- China
- Prior art keywords
- expansion
- block
- assembly
- piece
- movable
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000008602 contraction Effects 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
The utility model relates to a diameter expanding tool, which comprises a shell, a motor, a transmission assembly and an expansion head assembly, wherein the motor and the transmission assembly are accommodated in the shell, the expansion head assembly is arranged at the front end of the shell, the transmission assembly is connected with the motor, and the expansion head assembly is connected with the transmission assembly; the transmission assembly comprises a gear box assembly accommodated in the shell and a sector gear transmission device connected with the gear box assembly, the expansion head assembly comprises a fixed expansion piece fixedly connected with the shell, a movable expansion piece rotationally connected with the fixed expansion piece, a guide piece arranged on the fixed expansion piece, a movable block arranged on the movable expansion piece and an expansion block assembly movably connected with the guide piece, the guide piece is arranged between the fixed expansion piece and the movable block, the expansion block assembly is distributed on the periphery of the movable block, the sector gear transmission device drives the movable block to move under the drive of a motor, and the movable block drives the expansion block assembly to outwards expand, so that the structure is compact, small in size and light in weight and convenient to carry; meanwhile, the expansion range of the expansion block assembly can be controlled by controlling the swinging angle of the sector gear transmission device, and the expansion block assembly is wide in application scene.
Description
[ field of technology ]
The utility model relates to the technical field of pipeline installation, in particular to a diameter expanding tool.
[ background Art ]
The expanding tool is used to expand the inner and outer diameters of pipe fitting, to expand the pipe end, to insert the fitting into the pipe end, to make the pipe fitting and fitting tightly connected by elastic recovery around the fitting, without water leakage and air leakage, and to bear certain pressure. When the expanding tool works, because the pipe fitting has certain tension, a user wastes time and labor in the operation process, and the processing efficiency is low.
The prior expanding tool can be referred to in the patent CN214726466U of the chinese utility model published in 2021, 11 and 16, which discloses an expanding tool comprising: a housing; a collar rotatably coupled to the housing; a plurality of jaws coupled for rotation with the collar; a mandrel movable relative to the housing between a retracted position and an extended position to expand the plurality of jaws; a drive mechanism including a rotatable cam. Rotation of the rotatable cam moves the spindle between the retracted position and the extended position.
The expanding tool drives the mandrel to move by utilizing the cam transmission mechanism so as to drive the jaws to expand, and the structure is large in volume and weight, so that the problems of laborious use and inconvenient carrying exist; and because the operation range of the mandrel is determined, only single pipeline expansion can be carried out, the expansion range is not adjustable, and the applicable scene is single.
In view of the above, it is desirable to provide an improved expanding tool that overcomes the shortcomings of the prior art.
[ utility model ]
Aiming at the defects of the prior art, the utility model aims to provide a diameter expanding tool which is convenient to carry and has an adjustable diameter expanding range.
The technical scheme adopted for solving the problems in the prior art is as follows: the expanding tool comprises a shell, a motor, a transmission assembly and an expanding head assembly, wherein the motor and the transmission assembly are contained in the shell, the expanding head assembly is installed at the front end of the shell, the transmission assembly is connected with the motor, and the expanding head assembly is connected with the transmission assembly; the transmission assembly comprises a gear box assembly accommodated in the machine shell and a sector gear transmission device connected with the gear box assembly, the expansion head assembly comprises a fixed expansion piece fixedly connected with the machine shell, a movable expansion piece rotationally connected with the fixed expansion piece, a guide piece arranged on the fixed expansion piece, a movable block arranged on the movable expansion piece and a movable block assembly movably connected with the guide piece, the guide piece is arranged between the fixed expansion piece and the movable block, the expansion block assembly is distributed on the periphery of the movable block, and the sector gear transmission device drives the movable block to move under the driving of the motor, and the movable block drives the expansion block assembly to expand outwards.
The further improvement scheme is as follows: the movable block comprises an umbrella part and a handle part connected to the umbrella part, and the umbrella part and the handle part are integrally formed.
The further improvement scheme is as follows: the two sides of the umbrella part are inclined planes, the handle part comprises a contraction section connected with the umbrella part and an expansion section connected with the contraction section, the cross section area of the contraction section gradually decreases along the direction away from the umbrella part, and the cross section area of the expansion section gradually increases along the direction away from the umbrella part.
The further improvement scheme is as follows: the expansion block assembly comprises a first expansion block and a second expansion block which are abutted with the umbrella part, and a third expansion block and a fourth expansion block which are abutted with the handle part, wherein the inner sides of the first expansion block and the second expansion block are inclined planes, and the inner sides of the third expansion block and the fourth expansion block are convex planes.
The further improvement scheme is as follows: the inner sides of the first expansion block and the second expansion block are attached to the two sides of the umbrella part; the outer sides of the contraction section and the expansion section are connected to form a concave part, and the inner sides of the third expansion block and the fourth expansion block are attached to the concave part.
The further improvement scheme is as follows: the outer side of the expansion block assembly is surrounded to form a circumferential surface, the inner side of the expansion block assembly is surrounded to form a cavity, the movable block is accommodated in the cavity, the movable expansion piece drives the movable block to move, and the movable block simultaneously drives the first expansion block, the second expansion block, the third expansion block and the fourth expansion block to move.
The further improvement scheme is as follows: the guide piece comprises a first bulge close to the fixed expansion piece, a first guide groove arranged along the moving direction of the movable expansion piece and a second guide groove arranged on the guide piece in pairs, the movable block penetrates through the first guide groove, the expansion block component penetrates through the second guide groove, and the extending direction of the second guide groove is different from that of the first guide groove.
The further improvement scheme is as follows: the movable block comprises a second bulge which is arranged close to the guide piece and connected to the umbrella part, and the second bulge extends through the first guide groove and is mounted to the movable expansion piece.
The further improvement scheme is as follows: the expansion block assembly comprises a guide bulge close to the guide piece and an expansion block fastening screw connected to the guide bulge, and the guide bulge and the expansion block fastening screw are accommodated in the second guide groove.
The further improvement scheme is as follows: the movable expansion piece drives the second bulge to move in the first guide groove, and the movable block drives the guide bulge to move in the second guide groove.
Compared with the prior art, the utility model has the following beneficial effects: the expansion head assembly is connected with the sector gear transmission device, the sector gear transmission device drives the movable block to move under the drive of the motor, and the movable block drives the expansion block assembly to expand outwards, so that the expansion head assembly is compact in structure, small in size, light in weight and convenient to carry; meanwhile, the expansion range of the expansion block assembly can be controlled by controlling the swing angle of the sector gear transmission device, so that the expansion block assembly has wide application range; in addition, through with the third expansion block with the inboard convex surface of fourth expansion block with the depressed part laminating of movable block, the movable block can drive simultaneously first expansion block the second expansion block the third expansion block with fourth expansion block motion, four expansion blocks can be better with pipeline inner wall contact, ensure that the pipe fitting is evenly expanded, the pipe expanding effect is better.
[ description of the drawings ]
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the expanding tool of the present utility model;
FIG. 2 is a schematic view of the configuration of the shell of the expanding tool of FIG. 1 with portions removed;
FIG. 3 is a schematic view of another angular configuration of the shell of the expanding tool shown in FIG. 1 with portions removed;
FIG. 4 is an exploded view of the expansion head assembly and sector gear transmission of the expanding tool of FIG. 1;
FIG. 5 is an exploded view of the expansion head assembly of the expanding tool of FIG. 1;
fig. 6 is a schematic view of the expansion head assembly of the expanding tool of fig. 1.
Meaning of reference numerals in the drawings:
| expanding tool | 100 | Casing of machine | 1 |
| Motor with a motor housing | 2 | Transmission assembly | 3 |
| Gear box assembly | 31 | Sector gear transmission device | 32 |
| Expansion head assembly | 4 | Expansion fixing sheet | 41 |
| First mounting hole | 411 | Dynamic expansion sheet | 42 |
| Second mounting hole | 421 | Guide piece | 43 |
| First protrusion | 431 | First guide groove | 432 |
| Second guide groove | 433 | Sliding part | 4331 |
| Housing part | 4332 | Movable block | 44 |
| Umbrella part | 441 | Handle portion | 442 |
| Shrink section | 4421 | Expansion section | 4422 |
| Second protrusion | 443 | Expansion block assembly | 45 |
| First expansion block | 451 | Second expansion block | 452 |
| Third expansion block | 453 | Fourth expansion block | 454 |
| Guide projection | 455 | Expansion block fastening screw | 456 |
| Groove | 457 | Circumferential surface | 458 |
| Cavity cavity | 459 | Elastic piece | 46 |
| Switch assembly | 5 | Battery pack | 7 |
[ detailed description ] of the utility model
The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating an azimuth or a positional relationship are merely based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model relates to a diameter expanding tool 100, and is provided with a detachable battery pack 7, the diameter expanding tool 100 includes a casing 1, a motor 2 and a transmission assembly 3 which are accommodated in the casing 1, a head expanding assembly 4 which is installed at the front end of the casing 1, and a switch assembly 5 which controls the head expanding assembly 4 to move, the transmission assembly 3 is connected to the motor 2, the head expanding assembly 4 is connected to the transmission assembly 3, and a user operates the switch assembly 5 to start the motor 2, and drives the head expanding assembly 4 to move via the transmission assembly 3, so as to expand the inner diameter and the outer diameter of a pipe.
Referring to fig. 3, the transmission assembly 3 includes a gear box assembly 31 accommodated in the casing 1 and a sector gear transmission 32 connected to the gear box assembly 31, and the gear box assembly 31 is connected to the motor 2. The expansion head assembly 4 comprises a fixed expansion piece 41 fixedly connected with the casing 1, a movable expansion piece 42 rotationally connected with the fixed expansion piece 41, a guide piece 43 arranged on the fixed expansion piece 41, a movable block 44 arranged on the movable expansion piece 42, an expansion block assembly 45 movably connected with the guide piece 43 and an elastic piece 46 sleeved on the expansion block assembly 45, wherein the guide piece 43 is arranged between the fixed expansion piece 41 and the movable block 44, and the expansion block assembly 45 is distributed on the periphery of the movable block 44.
Further, one end of the movable expansion piece 42 is connected to the sector gear transmission device 32, the sector gear transmission device 32 drives the movable expansion piece 42 to reciprocate under the rotation of the motor 2, so as to drive the movable block 44 to move, and the movable block 44 drives the expansion block assembly 45 to expand outwards. The diameter expanding tool 100 has compact structure, small volume, light weight and convenient carrying, and improves the miniaturization and portability of the diameter expanding tool; meanwhile, the expansion range of the expansion block assembly can be controlled by controlling the swinging angle of the sector gear transmission device, and the expansion block assembly is wide in application scene.
Referring to fig. 6, the movable block 44 includes an umbrella 441 and a handle 442 connected to the umbrella 441, and the umbrella 441 and the handle 442 are integrally formed. The two sides of the umbrella 441 are inclined surfaces, the handle 442 comprises a contraction section 4421 connected to the umbrella 441 and an expansion section 4422 connected to the contraction section 4421, the cross-sectional area of the contraction section 4421 gradually decreases along the direction away from the umbrella 441, the cross-sectional area of the expansion section 4422 gradually increases along the direction away from the umbrella 441, and the section of the movable block 44 is arrow-shaped.
Referring to fig. 4, the expansion block assembly 45 includes a first expansion block 451 and a second expansion block 452 abutting against the umbrella 441, and a third expansion block 453 and a fourth expansion block 454 abutting against the handle 442, wherein inner sides of the first expansion block 451 and the second expansion block 452 are inclined surfaces, and inner sides of the third expansion block 453 and the fourth expansion block 454 are convex surfaces.
Further, the inner sides of the first expansion block 451 and the second expansion block 452 are attached to the two sides of the umbrella 441; the outer sides of the contraction section 4421 and the expansion section 4422 are connected to form a concave part, and the inner sides of the third expansion block 453 and the fourth expansion block 454 are attached to the concave part.
Referring to fig. 4, the expansion block assembly 45 includes a groove 457 recessed inward from the outer periphery, in this embodiment, the elastic member 46 is a rubber ring 46, the groove 457 accommodates the rubber ring 46, and the rubber ring 46 provides a contraction force to retract the expansion block assembly 45.
Referring to fig. 5 and fig. 6, a circumferential surface 458 is formed around the outer side of the expansion block assembly 45 and is used for matching with the circular inner wall of the pipe, a cavity 459 is formed around the inner side of the expansion block assembly 45, the movable block 44 is accommodated in the cavity 459, the movable expansion piece 42 drives the movable block 44 to move, and the movable block 44 simultaneously drives the first expansion block 451, the second expansion block 452, the third expansion block 453 and the fourth expansion block 454 to move. The moving direction of the movable block 44 is different from the moving direction of the expansion block assembly 45, the moving directions of the four expansion blocks are different, and the four expansion blocks can better contact with the inner wall of the pipeline to ensure that the pipe fitting is uniformly expanded around.
The working principle of the expansion head assembly 4 is as follows: when the motor 2 is electrified, the gear box assembly 31 decelerates and increases the moment, the power is transmitted to the sector gear transmission device 32, and the sector gear transmission device 32 drives the movable expansion piece 42 to perform opening and closing movement; when the movable expansion piece 42 is opened relative to the fixed expansion piece 41, the movable block 44 moves towards the direction pointed by the arrow, overcomes the elasticity of the elastic piece 46, and drives the expansion block assembly 45 to expand around; when the movable expansion piece 42 is closed relative to the fixed expansion piece 41, the movable block 44 moves in the opposite direction of the arrow direction, and the elastic piece 46 provides a contraction force to retract the expansion block assembly 45 to the closed position.
Referring to fig. 5, the guide plate 43 includes a first protrusion 431 disposed near the fixed expansion plate 41, a first guide slot 432 disposed along the moving direction of the movable expansion plate 42, and a second guide slot 433 disposed on the guide plate 43 in pairs, in this embodiment, four second guide slots 433 having different extending directions are disposed, and correspond to the four expansion blocks one by one, the movable block 44 is disposed through the first guide slot 432, the expansion block assembly 45 is disposed through the second guide slot 433, and the extending direction of the second guide slot 433 is different from the extending direction of the first guide slot 432.
Further, the movable block 44 includes a second protrusion 443 disposed adjacent to the guide piece 43, the second protrusion 443 is connected to the umbrella 441, and the second protrusion 443 extends through the first guide slot 432 and is mounted to the movable expansion piece 42. The fixed expansion piece 41 includes a first mounting hole 411 that accommodates the first protrusion 431, and the movable expansion piece 42 includes a second mounting hole 421 that accommodates the second protrusion 443. In this embodiment, the first protrusion 431 is a semicircular column, the first mounting hole 411 is a semicircular receiving groove, the second protrusion 443 is a square column, the second mounting hole 421 is a square receiving groove, and by providing protrusions and mounting grooves with different shapes, the user can conveniently identify and mount the protrusion, or the mounting hole can be circular, triangular or any other shape in other embodiments.
Referring to fig. 5, the expansion block assembly 45 includes a guide protrusion 455 disposed adjacent to the guide plate 43 and an expansion block fastening screw 456 connected to the guide protrusion 455, the guide protrusion 455 and the expansion block fastening screw 456 are received in the second guide groove 433, and the expansion block fastening screw 456 movably connects the expansion block assembly 45 to the guide plate 43. The movable expansion piece 42 drives the second protrusion 443 to move in the first guide groove 432, the first guide groove 432 guides the movable block 44, the movable block 44 drives the guiding protrusion 455 to move in the second guide groove 433, and the second guide groove 433 guides the expansion block assembly 45.
Further, the second guide groove 433 includes a sliding portion 4331 penetrating the guide piece 43 and a receiving portion 4332 communicating with the sliding portion 4331, the receiving portion 4332 is disposed at an end portion of the sliding portion 4331 near the fixed expansion piece 41, and the expansion block fastening screw 456 is at least partially disposed in the receiving portion 4332. By arranging the accommodating part 4332, the second guide groove 433 has the accommodating function and the guiding function on the expansion block fastening screw 456, and the structure is simple and ingenious.
According to the utility model, the expansion head assembly 4 is connected with the sector gear transmission device 32, the sector gear transmission device 32 is driven by the motor 2 to drive the movable block 44 to move, and the movable block 44 drives the expansion block assembly 45 to expand outwards, so that the expansion head assembly is compact in structure, small in size, light in weight and convenient to carry; meanwhile, the expansion range of the expansion block assembly 45 can be controlled by controlling the swing angle of the sector gear transmission device 32, so that the expansion block assembly is wide in application scene; in addition, through with the third expansion block 453 with the inboard convex surface of fourth expansion block 454 with the depressed part laminating of movable block 44, movable block 44 can drive simultaneously first expansion block 451 the second expansion block 452 third expansion block 453 with fourth expansion block 454 motion, four expansion blocks can be better with pipeline inner wall contact, ensure that the pipe fitting is evenly expanded, and the pipe expanding effect is better.
The present utility model is not limited to the above-described embodiments. Those of ordinary skill in the art will readily appreciate that many other alternatives to the expanding tool of the present utility model may be employed without departing from the spirit and scope of the present utility model. The protection scope of the present utility model is subject to the claims.
Claims (10)
1. The expanding tool comprises a shell, a motor, a transmission assembly and an expanding head assembly, wherein the motor and the transmission assembly are contained in the shell, the expanding head assembly is installed at the front end of the shell, the transmission assembly is connected with the motor, and the expanding head assembly is connected with the transmission assembly; the method is characterized in that: the transmission assembly comprises a gear box assembly accommodated in the machine shell and a sector gear transmission device connected with the gear box assembly, the expansion head assembly comprises a fixed expansion piece fixedly connected with the machine shell, a movable expansion piece rotationally connected with the fixed expansion piece, a guide piece arranged on the fixed expansion piece, a movable block arranged on the movable expansion piece and a movable block assembly movably connected with the guide piece, the guide piece is arranged between the fixed expansion piece and the movable block, the expansion block assembly is distributed on the periphery of the movable block, and the sector gear transmission device drives the movable block to move under the driving of the motor, and the movable block drives the expansion block assembly to expand outwards.
2. The expanding tool of claim 1, wherein: the movable block comprises an umbrella part and a handle part connected to the umbrella part, and the umbrella part and the handle part are integrally formed.
3. The expanding tool of claim 2, wherein: the two sides of the umbrella part are inclined planes, the handle part comprises a contraction section connected with the umbrella part and an expansion section connected with the contraction section, the cross section area of the contraction section gradually decreases along the direction away from the umbrella part, and the cross section area of the expansion section gradually increases along the direction away from the umbrella part.
4. A diameter expanding tool according to claim 3, wherein: the expansion block assembly comprises a first expansion block and a second expansion block which are abutted with the umbrella part, and a third expansion block and a fourth expansion block which are abutted with the handle part, wherein the inner sides of the first expansion block and the second expansion block are inclined planes, and the inner sides of the third expansion block and the fourth expansion block are convex planes.
5. The expanding tool of claim 4, wherein: the inner sides of the first expansion block and the second expansion block are attached to the two sides of the umbrella part; the outer sides of the contraction section and the expansion section are connected to form a concave part, and the inner sides of the third expansion block and the fourth expansion block are attached to the concave part.
6. The expanding tool of claim 4, wherein: the outer side of the expansion block assembly is surrounded to form a circumferential surface, the inner side of the expansion block assembly is surrounded to form a cavity, the movable block is accommodated in the cavity, the movable expansion piece drives the movable block to move, and the movable block simultaneously drives the first expansion block, the second expansion block, the third expansion block and the fourth expansion block to move.
7. The expanding tool of claim 2, wherein: the guide piece comprises a first bulge close to the fixed expansion piece, a first guide groove arranged along the moving direction of the movable expansion piece and a second guide groove arranged on the guide piece in pairs, the movable block penetrates through the first guide groove, the expansion block component penetrates through the second guide groove, and the extending direction of the second guide groove is different from that of the first guide groove.
8. The expanding tool of claim 7, wherein: the movable block comprises a second bulge which is arranged close to the guide piece and connected to the umbrella part, and the second bulge extends through the first guide groove and is mounted to the movable expansion piece.
9. The expanding tool of claim 8, wherein: the expansion block assembly comprises a guide bulge close to the guide piece and an expansion block fastening screw connected to the guide bulge, and the guide bulge and the expansion block fastening screw are accommodated in the second guide groove.
10. The expanding tool of claim 9, wherein: the movable expansion piece drives the second bulge to move in the first guide groove, and the movable block drives the guide bulge to move in the second guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047209.9A CN116748398B (en) | 2023-08-21 | 2023-08-21 | Expanding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311047209.9A CN116748398B (en) | 2023-08-21 | 2023-08-21 | Expanding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116748398A true CN116748398A (en) | 2023-09-15 |
| CN116748398B CN116748398B (en) | 2023-10-31 |
Family
ID=87957605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311047209.9A Active CN116748398B (en) | 2023-08-21 | 2023-08-21 | Expanding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116748398B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2024394A1 (en) * | 1989-09-14 | 1991-03-15 | Velte Karl-Heinz | Expansion tool for hollow working parts |
| US5382151A (en) * | 1992-05-19 | 1995-01-17 | Hayes, Jr.; Frank F. | Tool for cold form flaring tubing ends |
| KR20070090056A (en) * | 2006-03-01 | 2007-09-05 | 가부시키가이샤 스기노 마신 | Apparatus for expandidng tubes |
| DE102008061442A1 (en) * | 2008-10-27 | 2010-09-02 | Transitron Handels-Gmbh | Expanding device for ends of pipeline, has mandrel arranged in housing, and expanding jaws provided in form of cylinder sectors, where each expanding jaw has two-stage profile for commonly forming two cylindrical external surfaces |
| US20130192331A1 (en) * | 2012-01-30 | 2013-08-01 | Fatigue Technology, Inc. | Installation/processing systems, methods, and components |
| CN214726466U (en) * | 2020-11-27 | 2021-11-16 | 米沃奇电动工具公司 | Expansion tool |
| CN113695473A (en) * | 2020-05-22 | 2021-11-26 | 浙江大岛电器有限公司 | Electric hole expanding machine |
| CN215845295U (en) * | 2021-07-28 | 2022-02-18 | 浙江飞越机电有限公司 | Structure of multipurpose expansion block assembly |
| CN115555484A (en) * | 2022-11-04 | 2023-01-03 | 常州赛珀电器有限公司 | Intermittent rotation structure for extension tool and extension tool |
| US20230226588A1 (en) * | 2022-01-18 | 2023-07-20 | Makita Corporation | Tube expansion tool |
| CN116461079A (en) * | 2022-01-18 | 2023-07-21 | 株式会社牧田 | Pipe expanding tool |
-
2023
- 2023-08-21 CN CN202311047209.9A patent/CN116748398B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2024394A1 (en) * | 1989-09-14 | 1991-03-15 | Velte Karl-Heinz | Expansion tool for hollow working parts |
| US5382151A (en) * | 1992-05-19 | 1995-01-17 | Hayes, Jr.; Frank F. | Tool for cold form flaring tubing ends |
| KR20070090056A (en) * | 2006-03-01 | 2007-09-05 | 가부시키가이샤 스기노 마신 | Apparatus for expandidng tubes |
| DE102008061442A1 (en) * | 2008-10-27 | 2010-09-02 | Transitron Handels-Gmbh | Expanding device for ends of pipeline, has mandrel arranged in housing, and expanding jaws provided in form of cylinder sectors, where each expanding jaw has two-stage profile for commonly forming two cylindrical external surfaces |
| US20130192331A1 (en) * | 2012-01-30 | 2013-08-01 | Fatigue Technology, Inc. | Installation/processing systems, methods, and components |
| CN113695473A (en) * | 2020-05-22 | 2021-11-26 | 浙江大岛电器有限公司 | Electric hole expanding machine |
| CN214726466U (en) * | 2020-11-27 | 2021-11-16 | 米沃奇电动工具公司 | Expansion tool |
| CN215845295U (en) * | 2021-07-28 | 2022-02-18 | 浙江飞越机电有限公司 | Structure of multipurpose expansion block assembly |
| US20230226588A1 (en) * | 2022-01-18 | 2023-07-20 | Makita Corporation | Tube expansion tool |
| CN116461079A (en) * | 2022-01-18 | 2023-07-21 | 株式会社牧田 | Pipe expanding tool |
| CN115555484A (en) * | 2022-11-04 | 2023-01-03 | 常州赛珀电器有限公司 | Intermittent rotation structure for extension tool and extension tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116748398B (en) | 2023-10-31 |
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