CN110280805B - Electric drill with self-locking anti-impact protection function - Google Patents
Electric drill with self-locking anti-impact protection function Download PDFInfo
- Publication number
- CN110280805B CN110280805B CN201910556823.5A CN201910556823A CN110280805B CN 110280805 B CN110280805 B CN 110280805B CN 201910556823 A CN201910556823 A CN 201910556823A CN 110280805 B CN110280805 B CN 110280805B
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- spring
- electric drill
- triangular
- output shaft
- groove
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- 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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- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/006—Vibration damping means
Abstract
The invention discloses an electric drill with self-locking and impact protection functions, wherein a triangular rod body is fixed on an inner ring of a first bearing, one end of the triangular rod body is welded at the center of an inner cavity of an outer cover, a threaded cylinder is welded on the outer side of the outer cover, a slot is formed in one side of the threaded cylinder, a through groove is formed in the side edge of the slot, one side in the through groove is hinged to one side of a triangular plate, the other side of the triangular plate is hinged to a clamping block, and a triangular hole matched with the triangular rod body is formed in one side of an output shaft. This electric drill cushions the shock attenuation through the second spring in first spring and the second spring post and pneumatic combined action to the dustcoat, has the clearance between the triangle body of rod and the output shaft, because first spring and second spring post have slowed down the impact force of striking for the triangle body of rod can not be strikeed the contact in the twinkling of an eye with the output shaft, can protect the output shaft, prevents the damage of electric drill body inner part.
Description
Technical Field
The invention relates to the technical field of electric drills, in particular to an electric drill with self-locking anti-impact protection.
Background
The electric drill is a drilling machine using electricity as power. The electric tool is a conventional product in the electric tools and is also a product of the electric tools with the largest demand. The annual production and sale quantity accounts for 35 percent of the China electric tools. The working principle of the electric drill is that a motor rotor of an electromagnetic rotary type or electromagnetic reciprocating type small-capacity motor does magnetic field cutting work-doing operation, and the operation device is driven by a transmission mechanism to drive a gear to increase the power of a drill bit, so that the drill bit scrapes the surface of an object and better penetrates the object.
The existing portable handheld electric drill easily causes large impact force to an output rotating shaft of the electric drill after a drill bit touches the ground when falling, so that internal parts of the electric drill are easily damaged, and therefore, the electric drill with self-locking anti-impact protection is provided.
Disclosure of Invention
The invention aims to provide an electric drill with self-locking anti-impact protection, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme that the electric drill with the self-locking anti-impact protection function comprises an electric drill body, an output shaft is connected to the output end of the electric drill body, a first spring column is fixed on the outer side of the electric drill body and connected to one side of a barrel, the inner side of the barrel is hinged to one side of a second spring column, the other side of the second spring column is hinged to the outer ring of a first bearing, a triangular rod body is fixed on the inner ring of the first bearing, one end of the triangular rod body is welded to the center of the inner cavity of an outer cover, a threaded cylinder is welded on the outer side of the outer cover, a slot is formed in one side of the threaded cylinder, a through groove is formed in the side of the slot, one side of the through groove is hinged to one side of a triangular plate, a clamping block is hinged to the other side of the triangular plate, a triangular hole matched with the triangular rod body is formed in one side of the output shaft, a channel is formed in the outer side of the triangular rod body, an L-shaped rod body with one side of the outer cover penetrates through, a pressing block is fixed on the other side of the L-.
Preferably, the outer side of the cylinder is fixed to the inner ring of the second bearing, and the outer ring of the second bearing is connected to the inner side of the outer cover through the first spring.
Preferably, the number of the first springs is not less than three, and the first springs are uniformly distributed on the inner side of the outer cover.
Preferably, the first spring column and the second spring column both comprise a cylinder body, a piston and a piston rod, the piston is movably connected to an inner cavity of the cylinder body, and the piston rod is fixedly connected to one side of the piston.
Preferably, one side of the piston is connected to one end of the inner cavity of the cylinder body through a second spring.
Preferably, the outer side of the threaded column is in threaded connection with a nut.
Preferably, the bottom of the clamping block is uniformly provided with anti-skid projections.
Compared with the prior art, the invention has the beneficial effects that: this electric drill cushions the shock attenuation through the second spring in first spring and the second spring post and pneumatic combined action to the dustcoat, has the clearance between the triangle body of rod and the output shaft, because first spring and second spring post have slowed down the impact force of striking for the triangle body of rod can not be strikeed the contact in the twinkling of an eye with the output shaft, can protect the output shaft, prevents the damage of electric drill body inner part.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cartridge structure of the present invention;
FIG. 3 is a schematic view of a first spring post structure according to the present invention;
FIG. 4 is a schematic view of a clamping block structure according to the present invention;
fig. 5 is a schematic view of the structure of the outer cover of the present invention.
The novel electric drill comprises an electric drill body 1, an output shaft 2, a triangular hole 3, a first spring column 4, a cylinder 5, a cylinder 6, a second spring column 7, a first bearing 8, a triangular rod body 9, an outer cover 10, a threaded column body 11, a through groove 12, a triangular plate 13, a clamping block 14, an inserting groove 15, a second bearing 16, a first spring 17, a cylinder body 18, a piston 19, a second spring 20, a piston rod 21, a nut 22, an anti-skid bulge 23, a groove 23, a type rod body 24 and L, a hook body 25, a type hook body 26 and a type third spring 27, a pressing block 28 and a hanging hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the invention provides an electric drill with self-locking anti-impact protection, which comprises an electric drill body 1, wherein an output shaft 2 is connected to an output end of the electric drill body 1, a first spring column 4 is fixed on the outer side of the electric drill body 1, the first spring column 4 is connected to one side of a cylinder body 5, the inner side of the cylinder body 5 is hinged to one side of a second spring column 6, the other side of the second spring column 6 is hinged to the outer ring of a first bearing 7, a triangular rod body 8 is fixed on the inner ring of the first bearing 7, one end of the triangular rod body 8 is welded to the central part of the inner cavity of an outer cover 9, a threaded cylinder 10 is welded on the outer side of the outer cover 9, a slot 14 is formed in one side of the threaded cylinder 10, a through groove 11 is formed in the side of the slot 14, one side of the through groove 11 is hinged to one side of a triangular plate 12, a clamping block 13 is hinged to the other side of the triangular plate 12, a triangular hole 3 matched with the triangular rod body 8 is formed in one side of the output shaft 2, a channel 23 is formed in the outer side of the outer cover 9, a hook block 3527 is connected to a pressing hole 27 of a hook block, and a hook block 27 is connected to a hanging block 27 of a third spring which is arranged on.
Specifically, the outer side of the cylinder 5 is fixed to the inner ring of the second bearing 15, and the outer ring of the second bearing 15 is connected to the inner side of the housing 9 through a first spring 16; the first spring 16 can improve the impact resistance of the cylinder 5. The number of the first springs 16 is not less than three, and the first springs 16 are uniformly distributed on the inner side of the outer cover 9; so that the impact resistance of the cover 9 is better. The first spring column 4 and the second spring column 6 both comprise a cylinder 17, a piston 18 and a piston rod 20, the piston 18 is movably connected to the inner cavity of the cylinder 17, and the piston rod 20 is fixedly connected to one side of the piston 18; so that the first spring leg 4 and the second spring leg 6 can have elasticity. One side of the piston 18 is connected to one end of the inner cavity of the cylinder body 17 through a second spring 19; so that the second spring 19 can exert a pushing force on the piston 18, improving the impact resistance of the first spring post 4 and the second spring post 6. The outer side of the threaded column 10 is in threaded connection with a nut 21; so that the triangular plate 12 can be pressed when the nut 21 is moved. The bottom of the clamping block 13 is uniformly provided with anti-skid projections 22; for improving the anti-slip effect.
According to the working principle or the structural principle, when the electric drill is used, a drill bit is inserted into the slot 14, the nut 21 is rotated to enable the nut 21 to move and extrude the triangular plate 12, the triangular plate 12 pushes the clamping block 13 to clamp the drill bit tightly, after the drill bit is aligned to a target position, pressure is applied to press the drill bit, the second spring column 6 extends to enable the triangular rod body 8 to be inserted into the triangular hole 3, then the electric drill is started to drive the output shaft 2 to rotate, the output shaft 2 drives the triangular rod body 8 to rotate through the triangular hole 3, the triangular rod body 8 drives the outer cover 9 to rotate, the triangular rod body 8 and the outer cover 9 rotate under clamping positions of the first bearing 7 and the second bearing 15 respectively, the outer cover 9 drives the threaded cylinder 10 to rotate, the threaded cylinder 10 drives the drill bit clamped on the threaded cylinder to rotate, when the drill bit falls, the outer cover 9 is buffered and damped under the combined action of pneumatic force of the second spring 19 and the second spring 6 in the first spring 16 and the second spring column 6 when the drill bit lands, a gap exists between the triangular rod body 8 and the output shaft 2, the triangular rod body 8 and the output shaft 2 cannot be in contact with the output shaft 2 when the drill bit is pushed, the triangular hole, the triangular rod body is pressed, the drill bit 2, the triangular rod body is pressed by the drill bit, the triangular rod body, the drill bit, the triangular rod body is prevented from being pressed by the drill bit 358 from being inserted into the triangular hole, the triangular rod body, the drill bit, the triangular rod body.
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 (2)
1. An electric drill with self-locking anti-impact protection comprises an electric drill body and is characterized in that an output shaft is connected to the output end of the electric drill body, a first spring column is fixed to the outer side of the electric drill body and connected to one side of a cylinder body, the inner side of the cylinder body is hinged to one side of a second spring column, the other side of the second spring column is hinged to the outer ring of a first bearing, a triangular rod body is fixed to the inner ring of the first bearing, one end of the triangular rod body is welded to the center of the inner cavity of an outer cover, a threaded cylinder is welded to the outer side of the outer cover, a slot is formed in one side of the threaded cylinder, a through groove is formed in the side of the slot, one side of the through groove is hinged to one side of a triangular plate, a clamping block is hinged to the other side of the triangular plate, a groove is formed in one side of the output shaft, a L-type rod body is arranged in the outer side of the groove in a penetrating manner, a pressing block is fixed to the other side of the L-type cylinder body, a third spring is connected to the outer side of the outer cover through a groove, a nut is connected to the inner side of the inner ring of the outer cylinder body, a piston rod, a nut is connected to the inner ring of the outer cylinder body, and a piston rod, the piston rod is connected to the piston rod, the piston rod is connected to the piston rod, the piston rod.
2. An electric drill with self-locking and impact protection functions as claimed in claim 1, characterized in that: one side of the piston is connected to one end of the inner cavity of the cylinder body through a second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556823.5A CN110280805B (en) | 2019-06-25 | 2019-06-25 | Electric drill with self-locking anti-impact protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556823.5A CN110280805B (en) | 2019-06-25 | 2019-06-25 | Electric drill with self-locking anti-impact protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280805A CN110280805A (en) | 2019-09-27 |
| CN110280805B true CN110280805B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910556823.5A Active CN110280805B (en) | 2019-06-25 | 2019-06-25 | Electric drill with self-locking anti-impact protection function |
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| CN (1) | CN110280805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600870B (en) * | 2021-09-06 | 2023-06-16 | 永康市晓诚电器有限公司 | Electric tool with protector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206373408U (en) * | 2017-01-18 | 2017-08-04 | 衢州伟仕工业产品设计有限公司 | A kind of drill bit folder of protecting against shock |
| CN206382595U (en) * | 2016-12-22 | 2017-08-08 | 刘占魁 | It is a kind of to use stable hand-held drilling machine |
| CN107035744A (en) * | 2017-05-27 | 2017-08-11 | 倪冬梅 | A kind of angling cylinder of tool position auto-lock function |
| CN107876834A (en) * | 2017-11-03 | 2018-04-06 | 徐应盈 | A kind of high stability hand held electric drill for being easily changed drill bit |
| CN207735635U (en) * | 2018-01-13 | 2018-08-17 | 东莞市欣泰丰精密五金工具有限公司 | A kind of drill bit retaining mechanism |
| CN208019481U (en) * | 2018-02-11 | 2018-10-30 | 浙江三鸥机械股份有限公司 | A kind of Self-locking drill-chuck |
| CN208712875U (en) * | 2018-04-28 | 2019-04-09 | 昆明理工大学 | A kind of machine tool chief axis forced locking device |
-
2019
- 2019-06-25 CN CN201910556823.5A patent/CN110280805B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206382595U (en) * | 2016-12-22 | 2017-08-08 | 刘占魁 | It is a kind of to use stable hand-held drilling machine |
| CN206373408U (en) * | 2017-01-18 | 2017-08-04 | 衢州伟仕工业产品设计有限公司 | A kind of drill bit folder of protecting against shock |
| CN107035744A (en) * | 2017-05-27 | 2017-08-11 | 倪冬梅 | A kind of angling cylinder of tool position auto-lock function |
| CN107876834A (en) * | 2017-11-03 | 2018-04-06 | 徐应盈 | A kind of high stability hand held electric drill for being easily changed drill bit |
| CN207735635U (en) * | 2018-01-13 | 2018-08-17 | 东莞市欣泰丰精密五金工具有限公司 | A kind of drill bit retaining mechanism |
| CN208019481U (en) * | 2018-02-11 | 2018-10-30 | 浙江三鸥机械股份有限公司 | A kind of Self-locking drill-chuck |
| CN208712875U (en) * | 2018-04-28 | 2019-04-09 | 昆明理工大学 | A kind of machine tool chief axis forced locking device |
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| Publication number | Publication date |
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| CN110280805A (en) | 2019-09-27 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An electric drill with self-locking anti impact protection Effective date of registration: 20210910 Granted publication date: 20200714 Pledgee: Jinhua Bank Co.,Ltd. Yongkang sub branch Pledgor: YONGKANG XIAOCHENG ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2021330001504 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221107 Granted publication date: 20200714 Pledgee: Jinhua Bank Co.,Ltd. Yongkang sub branch Pledgor: YONGKANG XIAOCHENG ELECTRIC APPLIANCE Co.,Ltd. Registration number: Y2021330001504 |