CN112296394A - Electric tool convenient for adjusting and changing size models - Google Patents
Electric tool convenient for adjusting and changing size models Download PDFInfo
- Publication number
- CN112296394A CN112296394A CN202011161682.6A CN202011161682A CN112296394A CN 112296394 A CN112296394 A CN 112296394A CN 202011161682 A CN202011161682 A CN 202011161682A CN 112296394 A CN112296394 A CN 112296394A
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- CN
- China
- Prior art keywords
- plate
- transposition
- drill bit
- drill
- sliding
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/001—Housing of the drill, e.g. handgrip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an electric tool convenient for adjusting and changing size models, which comprises a handheld rack, a drill bushing pushing part, a transposition part, a drill bit embedding part and a changing drill bit, wherein the drill bushing pushing part is arranged on the handheld rack; the outer ring of the support is provided with an extrusion convex block, the transposition rotating plate rolls in the handheld rack by utilizing a switching adjustment motor, so that a conversion drill bit moves, the rolling track of an extrusion wheel is changed under the action of the extrusion convex block, the conversion of the drill bit is completed, the drill sleeve and the drill bit are matched and clamped through the drill sleeve pushing part, and the rotary rack motor drives the drill bit to work.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to an electric tool convenient for adjusting and changing size models.
Background
The electric tool is a mechanical tool, which uses a motor or an electromagnet as power and drives a working head to work through a transmission mechanism, and is usually made into a handheld type and a movable type. The electric tool has light structure and convenient carrying and use. Because the production efficiency can be improved by several times to tens of times compared with that of a manual tool, the electric tool is widely applied to various fields of national economy and enters families for use. Electric tools are mainly classified into metal cutting electric tools, grinding electric tools, assembly electric tools, and electric tools for railways. Common electric tools are electric drills, electric grinders, electric wrenches and electric screwdrivers, electric hammers and impact drills, concrete vibrators, and electric planers. The fastener has different size models, and the drill bit that corresponds also has different size models, and common electric tool need be assembled to the fastener of difference and need get corresponding drill bit when dismantling, has reduced work and has shared efficiency.
Disclosure of Invention
Aiming at the technical problems, the invention provides the electric tool which is convenient to adjust and change the size and the model, and can efficiently finish the assembling and disassembling operation of the fastening piece.
The technical scheme adopted by the invention is as follows: an electric tool convenient for adjusting and changing size models comprises a handheld rack, a drill bushing pushing component, a transposition component, a drill bit embedding component and a changing drill bit.
The handheld rack comprises a connecting rod; the drill bushing pushing part comprises a push plate guide pillar and a slide block connecting rod; the transposition component comprises a front plate connecting column and a rotating plate connecting column; the drill bit embedding part comprises a sliding connecting column; the conversion drill bit comprises an embedded ring pressure spring.
The two ends of the connecting rod are respectively fixedly connected with the handheld rack and the support outer ring, the two ends of the push plate guide column are respectively fixedly connected with the guide column connecting bottom plate and the motor connecting plate, the two ends of the slider connecting rod are respectively selectively connected with the sliding sleeve and the radial slider, the two ends of the front plate connecting column are respectively fixedly connected with the transposition rotating plate and the motor connecting plate, and the two ends of the rotating plate connecting column are respectively fixedly connected with the transposition rotating plate and the drill bit transposition plate.
Furthermore, the handheld rack also comprises a supporting outer ring and an extrusion lug; the extrusion lug is fixedly connected with the support outer ring, the extrusion lug and the extrusion wheel are in contact extrusion relation, and the extrusion lug can change the rolling track of the extrusion wheel.
Furthermore, the drill bushing pushing component also comprises a pushing cylinder, a guide pillar connecting bottom plate, a push plate, a roller contact inclined plate, a contact roller, a radial slide block, a slide block pressure spring and a slide block guide pillar; the push cylinder is fixedly installed on the motor connecting plate, the push cylinder pushes the push plate to move, the push plate is in sliding connection with a push plate guide pillar, the roller contact inclined plate is fixedly connected with the push plate, the roller contact inclined plate is in contact extrusion relation with the contact roller, the contact roller is rotatably installed on the radial slide block, the radial slide block is slidably installed on a slide block guide pillar, the slide block guide pillar is fixedly installed on the transposition rotating plate, the slide block pressure spring is sleeved on the slide block guide pillar, and two ends of the slide block pressure spring are respectively in contact with the radial slide block and the transposition.
Furthermore, the transposition component also comprises a switching adjusting motor, a motor connecting plate, a rotating plate ball and a transposition rotating plate; the device is characterized in that the device is fixedly installed on the handheld rack, the motor connecting plate is fixedly connected with the adjusting motor, the transposition rotating plate is provided with a rotating plate ball, the transposition rotating plate rolls on the handheld rack, and the rotating plate ball contacts with the inner wall of the handheld rack and has a limiting effect on the transposition rotating plate.
Furthermore, the drill bit embedded part also comprises a rotating frame motor, a rotating frame front plate, a rotating frame rear plate, a sliding sleeve, a drilling sleeve sliding column, a drilling sleeve and a sliding sleeve pressure spring; the rotary frame motor is fixedly arranged on the transposition rotary plate, the rotary frame front plate is fixedly connected with the rotary frame motor, the drill bushing sliding column is fixedly connected with the drill bushing, the drill bushing sliding column is slidably connected with the rotary frame rear plate, the sliding sleeve is slidably arranged on the rotary plate connecting column, the sliding sleeve is fixedly connected with the drill bushing, the sliding sleeve pressure spring is sleeved on the rotary plate connecting column, and two ends of the sliding sleeve pressure spring are respectively contacted with the sliding sleeve and the drill bit transposition plate.
Furthermore, the bit changing device also comprises a bit changing plate, a changing plate ball, a bit embedding ring and an embedding ring ball; the drill bit transposition plate is provided with transposition plate balls, the drill bit transposition plate rolls on the supporting outer ring, the transposition plate balls support and limit the drill bit transposition plate, the drill bit embedding ring is connected with the drill bit transposition plate in a sliding mode, the drill bit embedding ring is internally provided with the embedding ring balls, a drill bit is sleeved between the embedding ring balls, the extrusion wheel is rotatably installed at one end of the drill bit embedding ring, the extrusion wheel rolls on the inner wall of the supporting outer ring, the embedding ring pressure spring is sleeved on the drill bit embedding ring, and two ends of the embedding ring pressure spring are respectively in contact with one end of the drill bit embedding ring and the drill bit transposition plate.
Compared with the prior art, the invention has the beneficial effects that: (1) the extrusion convex block changes the rolling track of the extrusion wheel to complete the conversion of the drill bit; (2) the drill bit embedding part and the drill bit can be matched and clamped to drive the drill bit to rotate to work; (3) the matched drill bit can be quickly changed, the work is efficient, and the action of manually replacing the drill bit is omitted.
Drawings
Fig. 1, fig. 2, fig. 4 and fig. 5 are schematic diagrams of the overall structure of the present invention.
Fig. 3 is a partially enlarged schematic view of the present invention.
Fig. 6 and 7 are schematic views of the structure of the alternative drill bit of the present invention.
In the figure: 1-a handheld chassis; 2-a drill bushing pushing member; 3-a transposition component; 4-a drill bit insert part; 5-changing the drill bit; 101-a connecting rod; 102-a support outer ring; 103-extruding the bump; 201-push cylinder; 202-push plate guide post; 203-guide pillar connecting bottom plate; 204-push plate; 205-roller contact ramp; 206-a contact roller; 207-radial slider; 208-a slider compression spring; 209-slider guide post; 210-a slider link; 301-switching to a regulation motor; 302-motor connection board; 303-front plate connection column; 304-rotating plate balls; 305-transposition plate conversion; 306-rotating plate connecting column; 401-a turret motor; 402-turret front plate; 403-sliding connection column; 404-rotating frame back plate; 405-a sliding sleeve; 406-drill bushing slide; 407-a drill bushing; 408-a sliding sleeve pressure spring; 501-a bit transposition plate; 502-index plate balls; 503-a drill insert ring; 504-insert ring balls; 505-embedding a ring compression spring; 506-pressing wheel.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5, 6, and 7: an electric tool convenient for adjusting and changing size models comprises a handheld rack 1, a drill bushing pushing part 2, a transposition part 3, a drill bit embedding part 4 and a changing drill bit 5.
A hand-held chassis 1 including a connecting rod 101; the drill bushing pushing part 2 comprises a push plate guide column 202 and a slide block connecting rod 210; the transposition component 3 comprises a front plate connecting column 303 and a rotating plate connecting column 306; a drill insert part 4 including a slide connection post 403; the shifting bit 5 includes an embedded ring compression spring 505.
Two ends of the connecting rod 101 are respectively fixedly connected with the handheld rack 1 and the support outer ring 102, two ends of the push plate guide column 202 are respectively fixedly connected with the guide column connection base plate 203 and the motor connection plate 302, two ends of the slider connecting rod 210 are respectively selectively connected with the sliding sleeve 405 and the radial slider 207, two ends of the front plate connecting column 303 are respectively fixedly connected with the transposition rotating plate 305 and the motor connection plate 302, and two ends of the rotating plate connecting column 306 are respectively fixedly connected with the transposition rotating plate 305 and the drill bit transposition plate 501.
The handheld rack 1 further comprises a supporting outer ring 102 and an extrusion lug 103; the extrusion lug 103 is fixedly connected with the support outer ring 102, the extrusion lug 103 is in contact extrusion relation with the extrusion wheel 506, and the extrusion lug 103 can change the rolling track of the extrusion wheel 506.
The drill bushing pushing component 2 further comprises a pushing cylinder 201, a guide pillar connecting bottom plate 203, a push plate 204, a roller contact inclined plate 205, a contact roller 206, a radial slide block 207, a slide block pressure spring 208 and a slide block guide pillar 209; the pushing cylinder 201 is fixedly installed on the motor connecting plate 302, the pushing cylinder 201 pushes the pushing plate 204 to move, the pushing plate 204 is in sliding connection with the pushing plate guide post 202, the roller contact sloping plate 205 is fixedly connected with the pushing plate 204, the roller contact sloping plate 205 and the contact roller 206 have a contact extrusion relation, the contact roller 206 is rotatably installed on the radial sliding block 207, the radial sliding block 207 is slidably installed on the sliding block guide post 209, the sliding block guide post 209 is fixedly installed on the transposition plate 305, the sliding block pressure spring 208 is sleeved on the sliding block guide post 209, and two ends of the sliding block pressure spring 208 are respectively in contact with the radial sliding block 207 and the transposition. The pushing cylinder 201 pushes the push plate 204 to move, the contact and extrusion action of the roller contact sloping plate 205 and the contact roller 206 causes the radial slide block 207 to move radially, and under the action of the slide block connecting rod 210, the sliding sleeve 405 moves, and the drill sleeve 407 moves and is matched and clamped with the front drill bit.
The transposition component 3 further comprises a transposition adjusting motor 301, a motor connecting plate 302, a rotating plate ball 304 and a transposition rotating plate 305; the rotating plate is fixedly arranged on the handheld rack 1, the motor connecting plate 302 is fixedly connected with the transposition adjusting motor 301, the transposition rotating plate 305 is provided with a rotating plate ball 304, the transposition rotating plate 305 rolls on the handheld rack 1, and the rotating plate ball 304 is contacted with the inner wall of the handheld rack 1 and has a limiting effect on the transposition rotating plate 305. The transposition adjusting motor 301 drives the motor connecting plate 302 to rotate, and the transposition rotating plate 305 rotates in the handheld rack 1.
The drill bit embedding part 4 further comprises a rotating frame motor 401, a rotating frame front plate 402, a rotating frame rear plate 404, a sliding sleeve 405, a drill bushing sliding column 406, a drill bushing 407 and a sliding sleeve compression spring 408; the rotary frame motor 401 is fixedly arranged on the transposition rotary plate 305, the rotary frame front plate 402 is fixedly connected with the rotary frame motor 401, the drill bushing sliding column 406 is fixedly connected with the drill bushing 407, the drill bushing sliding column 406 is slidably connected with the rotary frame rear plate 404, the sliding sleeve 405 is slidably arranged on the rotary plate connecting column 306, the sliding sleeve 405 is fixedly connected with the drill bushing 407, the sliding sleeve compression spring 408 is sleeved on the rotary plate connecting column 306, and two ends of the sliding sleeve compression spring 408 are respectively contacted with the sliding sleeve 405 and the drill bit transposition plate 501. The turret motor 401 drives the turret front plate 402 to rotate, and then the drill bushing 407 drills, and the drill bushing 407 drives the drill to complete the fastener dismounting operation.
The shifting drill bit 5 further comprises a drill bit shifting plate 501, shifting plate balls 502, a drill bit embedding ring 503 and embedding ring balls 504; the bit transposition plate 501 is provided with transposition plate balls 502, the bit transposition plate 501 rolls on the support outer ring 102, the transposition plate balls 502 have a support limiting effect on the bit transposition plate 501, the bit embedding ring 503 is slidably connected with the bit transposition plate 501, the bit embedding ring 503 is internally provided with embedding ring balls 504, a bit is sleeved between the embedding ring balls 504, the extrusion wheel 506 is rotatably installed at one end of the bit embedding ring 503, the extrusion wheel 506 rolls on the inner wall of the support outer ring 102, the embedding ring compression spring 505 is sleeved on the bit embedding ring 503, and two ends of the embedding ring compression spring 505 are respectively in contact with one end of the bit embedding ring 503 and the bit transposition plate 501. Under the action of the rotating plate connecting column 306, the drill bit transposition plate 501 moves in the support outer ring 102, the extrusion wheel 506 rolls on the inner wall of the support outer ring 102, the extrusion wheel 506 contacts the extrusion bump 103 to change the rolling track, the drill bit embedded ring 503 moves radially, the embedded ring pressure spring 505 is compressed under stress, and the drill bit embedded ring 503 can return to the initial position through the counter force of the embedded ring pressure spring 505.
The working principle of the invention is as follows: the transposition adjusting motor 301 drives the motor connecting plate 302 to rotate, the transposition rotating plate 305 rotates in the handheld frame 1, under the action of the rotating plate connecting column 306, the drill bit transposition plate 501 moves in the support outer ring 102, the extrusion wheel 506 rolls on the inner wall of the support outer ring 102, the extrusion wheel 506 contacts the extrusion lug 103 to change the rolling track, and then the drill bit embedded ring 503 generates radial movement, the embedded ring pressure spring 505 is compressed under stress, the counter force of the embedded ring pressure spring 505 can make the drill bit embedded ring 503 return to the initial position, the pushing cylinder 201 pushes the pushing plate 204 to move, the roller contact inclined plate 205 and the contact roller 206 contact and press, so that the radial slide block 207 moves radially, under the action of the slider connecting rod 210, the sliding sleeve 405 moves, the drill bushing 407 moves and is matched and clamped with a drill bit in front, the rotating frame motor 401 drives the rotating frame front plate 402 to rotate, the drill bushing 407 drills, and the drill bushing 407 drives the drill bit to finish the fastener dismounting operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An electric tool convenient for adjusting and changing size models comprises a handheld rack (1), a drill bushing pushing part 2, a transposition part (3), a drill bit embedding part (4) and a changing drill bit (5);
the handheld stand (1) comprises a connecting rod (101);
the drill bushing pushing component (2) comprises a push plate guide post (202) and a slide block connecting rod (210);
the transposition component 3 comprises a front plate connecting column (303) and a rotating plate connecting column (306);
the drill bit embedded part (4) comprises a sliding connecting column (403);
the shifting drill bit (5) comprises an embedded ring compression spring (505);
the two ends of the connecting rod (101) are respectively fixedly connected with the handheld rack (1) and the supporting outer ring (102), the two ends of the push plate guide post (202) are respectively fixedly connected with the guide post connecting base plate (203) and the motor connecting plate (302), the two ends of the slider connecting rod (210) are respectively selectively connected with the sliding sleeve (405) and the radial slider (207), the two ends of the front plate connecting post (303) are respectively fixedly connected with the transposition rotating plate (305) and the motor connecting plate (302), and the two ends of the rotating plate connecting post (306) are respectively fixedly connected with the transposition rotating plate (305) and the drill bit shifting plate (501).
2. A power tool for facilitating the adjustment of size-changing models, according to claim 1, wherein: the handheld rack 1 further comprises a supporting outer ring (102) and an extrusion bump (103); the extrusion lug (103) is fixedly connected with the supporting outer ring (102), the extrusion lug (103) and the extrusion wheel (506) have a contact extrusion relation, and the extrusion lug (103) can change the rolling track of the extrusion wheel (506).
3. A power tool for facilitating the adjustment of size-changing models, according to claim 1, wherein: the drill bushing pushing component (2) further comprises a pushing cylinder (201), a guide pillar connecting bottom plate (203), a push plate (204), a roller contact inclined plate (205), a contact roller (206), a radial slide block (207), a slide block pressure spring (208) and a slide block guide pillar (209); the push cylinder (201) is fixedly installed on a motor connecting plate (302), the push cylinder (201) pushes a push plate (204) to move, the push plate (204) is connected with a push plate guide post (202) in a sliding mode, a roller contact inclined plate (205) is fixedly connected with the push plate (204), the roller contact inclined plate (205) and a contact roller (206) are in contact extrusion relation, the contact roller (206) is rotatably installed on a radial sliding block (207), the radial sliding block (207) is slidably installed on a sliding block guide post (209), the sliding block guide post (209) is fixedly installed on a transposition rotating plate (305), a sliding block pressure spring (208) is sleeved on the sliding block guide post (209), and two ends of the sliding block pressure spring (208) are respectively in contact with the radial sliding block (207) and the transposition rotating plate (305).
4. A power tool for facilitating the adjustment of size-changing models, according to claim 1, wherein: the transposition component (3) further comprises a switching adjusting motor (301), a motor connecting plate (302), a rotating plate ball (304) and a transposition rotating plate (305); the device is characterized in that the device is fixedly installed on a handheld rack (1), a motor connecting plate (302) is fixedly connected with an adjusting motor (301), a transposition rotating plate (305) is provided with a rotating plate ball (304), the transposition rotating plate (305) rolls on the handheld rack (1), and the rotating plate ball (304) is in contact with the inner wall of the handheld rack (1) and has a limiting effect on the transposition rotating plate (305).
5. A power tool for facilitating the adjustment of size-changing models, according to claim 1, wherein: the drill bit embedded part (4) further comprises a rotating frame motor (401), a rotating frame front plate (402), a rotating frame rear plate (404), a sliding sleeve (405), a drill bushing sliding column (406), a drill bushing (407) and a sliding sleeve pressure spring (408); the rotary frame motor (401) is fixedly installed on the transposition rotary plate (305), the rotary frame front plate (402) is fixedly connected with the rotary frame motor (401), the drill bushing sliding column (406) is fixedly connected with the drill bushing (407), the drill bushing sliding column (406) is slidably connected with the rotary frame rear plate (404), the sliding sleeve (405) is slidably installed on the rotary plate connecting column (306), the sliding sleeve (405) is fixedly connected with the drill bushing (407), the sliding sleeve pressure spring (408) is sleeved on the rotary plate connecting column (306), and two ends of the sliding sleeve pressure spring (408) are respectively in contact with the sliding sleeve (405) and the drill bit transposition plate (501).
6. A power tool for facilitating the adjustment of size-changing models, according to claim 1, wherein: the bit (5) comprises a bit shifting plate (501), shifting plate balls (502), a bit embedding ring (503) and embedding ring balls (504); the drill bit transposition plate is characterized in that a transposition plate ball (502) is arranged on the drill bit transposition plate (501), the drill bit transposition plate (501) rolls on the supporting outer ring (102), the transposition plate ball (502) has a supporting and limiting effect on the drill bit transposition plate (501), the drill bit embedding ring (503) is in sliding connection with the drill bit transposition plate (501), the drill bit embedding ring (503) is internally provided with an embedding ring ball (504), a drill bit is sleeved between the embedding ring balls (504), the extrusion wheel (506) is rotatably arranged at one end of the drill bit embedding ring (503), the extrusion wheel (506) rolls on the inner wall of the supporting outer ring (102), the embedding ring compression spring (505) is sleeved on the drill bit embedding ring (503), and two ends of the embedding ring compression spring (50) are respectively in contact with one end of the drill bit embedding ring (503) and the drill bit transposition plate (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161682.6A CN112296394A (en) | 2020-10-27 | 2020-10-27 | Electric tool convenient for adjusting and changing size models |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161682.6A CN112296394A (en) | 2020-10-27 | 2020-10-27 | Electric tool convenient for adjusting and changing size models |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112296394A true CN112296394A (en) | 2021-02-02 |
Family
ID=74330449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011161682.6A Withdrawn CN112296394A (en) | 2020-10-27 | 2020-10-27 | Electric tool convenient for adjusting and changing size models |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112296394A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR860007057A (en) * | 1985-03-07 | 1986-10-06 | 도오시바 기까이 가부시끼가이샤 | Automatic exchange device of small diameter drill |
| CN101253026A (en) * | 2005-08-31 | 2008-08-27 | 罗伯特·博世有限公司 | Drill hammer |
| CN105414604A (en) * | 2015-12-18 | 2016-03-23 | 宁波高新区夏远科技有限公司 | Safe electric drill capable of rapidly feeding |
| CN108436148A (en) * | 2016-11-04 | 2018-08-24 | 永春福源建材科技有限公司 | A kind of perforating mechanism |
| CN209140440U (en) * | 2018-10-22 | 2019-07-23 | 湖北中晶航材科技有限公司 | The multidirectional adjusting clamping device of drilling machine plane vertical drilling multi-hole position |
| CN110644931A (en) * | 2019-10-17 | 2020-01-03 | 王孝英 | Deviation-preventing drilling device for engineering investigation and using method |
| CN210160463U (en) * | 2019-06-28 | 2020-03-20 | 周裕隆 | Electric drill convenient to change drill bit |
| CN111215656A (en) * | 2020-02-24 | 2020-06-02 | 宁波双德电子有限公司 | Drilling device for metal product processing |
-
2020
- 2020-10-27 CN CN202011161682.6A patent/CN112296394A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR860007057A (en) * | 1985-03-07 | 1986-10-06 | 도오시바 기까이 가부시끼가이샤 | Automatic exchange device of small diameter drill |
| CN101253026A (en) * | 2005-08-31 | 2008-08-27 | 罗伯特·博世有限公司 | Drill hammer |
| CN105414604A (en) * | 2015-12-18 | 2016-03-23 | 宁波高新区夏远科技有限公司 | Safe electric drill capable of rapidly feeding |
| CN108436148A (en) * | 2016-11-04 | 2018-08-24 | 永春福源建材科技有限公司 | A kind of perforating mechanism |
| CN209140440U (en) * | 2018-10-22 | 2019-07-23 | 湖北中晶航材科技有限公司 | The multidirectional adjusting clamping device of drilling machine plane vertical drilling multi-hole position |
| CN210160463U (en) * | 2019-06-28 | 2020-03-20 | 周裕隆 | Electric drill convenient to change drill bit |
| CN110644931A (en) * | 2019-10-17 | 2020-01-03 | 王孝英 | Deviation-preventing drilling device for engineering investigation and using method |
| CN111215656A (en) * | 2020-02-24 | 2020-06-02 | 宁波双德电子有限公司 | Drilling device for metal product processing |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210202 |
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| WW01 | Invention patent application withdrawn after publication |