CN108543962A - A kind of drill chuck - Google Patents
A kind of drill chuck Download PDFInfo
- Publication number
- CN108543962A CN108543962A CN201810599699.6A CN201810599699A CN108543962A CN 108543962 A CN108543962 A CN 108543962A CN 201810599699 A CN201810599699 A CN 201810599699A CN 108543962 A CN108543962 A CN 108543962A
- Authority
- CN
- China
- Prior art keywords
- drill body
- drive disk
- clamping jaw
- type groove
- tooth
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
- B23B31/123—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis with locking arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention relates to electric tool lathe accessory technical fields,Specifically a kind of drill chuck,It includes drill body,Fixing sleeve,Actuating sleeve,Clamping jaw and the drive disk that driving is engaged with clamping jaw,It is characterized in that drill body is divided into preceding drill body and rear drill body,The outer diameter that the outer diameter of the rear drill body is less than preceding drill body makes preceding drill body rear end face exposed part form drive disk continuing surface,Drive disk continuing surface is equipped with annular drive disk,The lower face of drive disk is equipped with snail tooth,The side of preceding drill body below drive disk is equipped with U-type groove,Clamping jaw is equipped in U-type groove,The upper end of clamping jaw is equipped with bar shaped sliding tooth,The upper end bar shaped sliding tooth of clamping jaw stretches out U-type groove upper end and is meshed with the snail tooth on drive disk,The lower end of clamping jaw and U-type groove bottom are inconsistent,Drive disk lateral surface is connected with the actuating sleeve being socketed on preceding drill body,The rear end of actuating sleeve and the sliding of the front end for the fixing sleeve being connected on rear drill body contradict connection,With simple in structure,It is easy to make,Grip the advantages that effect is good.
Description
Technical field
The present invention relates to electric tool lathe accessory technical field, specifically a kind of simple in structure, easy to make, folder
The drill chuck for taking effect good.
Background technology
It is well known that existing hand fastening drill clutch is generally by drill body, clamping jaw, screw, nut sleeve, fixing sleeve, actuating sleeve etc.
Composition, three clamping jaws are separately mounted in three decile inclined holes of drill body, and screw is mounted in the screw slot of drill body, nut sleeve handle
Screw is fixed, and the screw thread of screw and clamping jaw forms thread transmission, and actuating sleeve is fixedly connected with nut sleeve, and drill body rear portion has
Threaded hole, when installing and using, the threaded hole at drill body rear portion and the transmission axis connection of power equipment, transmission shaft drive drill body when rotating
Three-jaw and folded tool is driven to rotate synchronously, but existing collet during processing needs that oblique 15 will be opened up on drill body
Three decile inclined holes of degree, are also required to open up 15 degree of helical teeth on the column type face for the clamping jaw being equipped in decile inclined hole, on screw
Open up with the matched 15 degree of conical tooths of 15 degree of helical teeth on clamping jaw, these processing technologys during processing are complicated, together
When product performance be also difficult to be promoted.
Invention content
Present invention aim to address above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to make, gripping effect
The good drill chuck of fruit.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of drill chuck, including drill body, fixing sleeve, actuating sleeve, clamping jaw and the drive disk that driving is engaged with clamping jaw, it is characterised in that
The drill body is divided into the preceding drill body of coaxial line and rear drill body, and the rear end of rear drill body is equipped with the connection being connected with driving machinery
Hole, the middle part of preceding drill body are equipped with the through-hole put in for clamping piece, the outer diameter of the rear drill body be less than preceding drill body outer diameter make before
Drill body rear end face exposed part forms drive disk continuing surface, and drive disk continuing surface is equipped with to be socketed on rear drill body and is used to drive
The lower face of the annular drive disk of clamping jaw, drive disk is equipped with snail tooth, the side of the preceding drill body below the drive disk
Face is equipped with the U-type groove for at least trisection being connected to through-hole, and the rear drill body lower end right over U-type groove is equipped with flat higher than drive disk
The U-type groove of the handstand of surface helix tooth height, the U-type groove of preceding drill body combined with the U-type groove of rear drill body to be formed clamping jaw move radially it is logical
Road, radial travel paths are interior to be equipped with clamping jaw, and the upper end of clamping jaw is equipped with the bar shaped sliding tooth being meshed with snail tooth, clamping jaw
Bar shaped sliding tooth in upper end stretches out the U-type groove upper end of preceding drill body and puts in the snail in the U-type groove of rear drill body and on drive disk
Tooth is meshed, and the lower end of clamping jaw and the U-type groove bottom of preceding drill body are inconsistent, the drive disk lateral surface and is socketed in preceding drill body
On actuating sleeve be connected, the front end sliding of the rear end of the actuating sleeve and the fixing sleeve that is connected on rear drill body, which contradicts, to be connected
It connects, drives driving disc spins by rotating actuating sleeve, and then clamping jaw is driven to inside contract and extend out in the radial direction of drive disk, and then realize
Grip and unload clamping piece.
The rear end of drive disk of the present invention is equipped with cover board, and the rear drill body concordant with cover board rear end face is equipped with annular snap
Slot, annular slot is interior to be equipped with clamp spring, and cover board is fixed on the top of drive disk, realizes the fixation of drive disk by clamp spring.
The rear inside of drive disk of the present invention is equipped with the rectangular annular groove in section, is equipped in the annular groove
Steel ball arranged side by side, the lower end of the steel ball and slot bottom are inconsistent, and the upper end of steel ball and cover board are inconsistent, the medial surface of steel ball with
Drill body is inconsistent afterwards, and steel ball plays the role of bearing, generated frictional force when being rotated by reducing, to promote the clamping of drill chuck
Power, drill body, cover board and drive disk after protection.
The preceding drill body of the slot bottom of U-type groove of the present invention is equipped at least two arc circular grooves, is equipped in arc circular groove
Spherical steel ball, the lower end of the clamping jaw are equipped with the arc-shaped guide groove in section of bar shaped, the lower end of spherical steel ball and curved circular
The slot bottom of slot is inconsistent, and the upper end of spherical steel ball and the slot bottom of guide groove are inconsistent, generated friction when being rotated by reducing
Power, to promote the clamping force of drill chuck, drill body and clamping jaw before protecting.
The medial surface of clamping jaw of the present invention is parallel with preceding drill body through-hole side, ensures drive disk in rotation, folder
Pawl stretches out U-type groove and enters gripping clamping piece in through-hole.
The internal diameter of preceding drill body of the present invention is less than the outer diameter of rear drill body, after making front end face and the preceding drill body of rear drill body
End face forms one, ensures the stability that preceding drill body is connected with rear drill body, drill body, cover board and drive disk after protection.
Snail tooth of the present invention is set as Archimedian screw tooth, the item of A Ji meter helical tooths and clamping jaw upper end
Shape sliding tooth is all set as the stepped tooth being meshed, and ensures when rotated, clamping jaw while mobile identical distance.
Since the drill body is divided into the preceding drill body of coaxial line and rear drill body, the rear end of rear drill body is equipped with and driving the present invention
It is mechanically coupled the connecting hole connect, the middle part of preceding drill body is equipped with the through-hole put in for clamping piece, and the outer diameter of the rear drill body is less than
Drill body rear end face exposed part forms drive disk continuing surface before the outer diameter of preceding drill body makes, and drive disk continuing surface is equipped with after being socketed in
The lower face of the annular drive disk for driving clamping jaw on drill body, drive disk is equipped with snail tooth, the drive disk
The side of the preceding drill body of lower section is equipped with the U-type groove for at least trisection being connected to through-hole, and the rear drill body lower end right over U-type groove is set
There are the U-type groove of the handstand of the snail tooth height higher than drive disk, the U-type groove of preceding drill body to combine shape with the U-type groove of rear drill body
At clamping jaw radial travel paths, it is equipped with clamping jaw in radial travel paths, the upper end of clamping jaw is equipped with to be meshed with snail tooth
The upper end bar shaped sliding tooth of bar shaped sliding tooth, clamping jaw stretches out the U-type groove upper end of preceding drill body and puts in the U-type groove of rear drill body and drive
Snail tooth on Moving plate is meshed, and the lower end of clamping jaw and the U-type groove bottom of preceding drill body are inconsistent, on the outside of the drive disk
Face be socketed in before actuating sleeve on drill body be connected, the rear end of the actuating sleeve and the fixing sleeve that is connected on rear drill body
Front end sliding contradicts connection, drives driving disc spins by rotating actuating sleeve, and then clamping jaw is driven to be inside contracted in the radial direction of drive disk
With extend out, and then realize gripping and unload clamping piece, the rear end of the drive disk is equipped with cover board, concordant with cover board rear end face
Drill body is equipped with annular slot afterwards, and clamp spring is equipped in annular slot, and cover board is fixed on the top of drive disk by clamp spring, realizes driving
The rear inside of the fixation of disk, the drive disk is equipped with the rectangular annular groove in section, is equipped in the annular groove arranged side by side
Steel ball, the lower end of the steel ball and slot bottom are inconsistent, and the upper end of steel ball and cover board are inconsistent, and the medial surface of steel ball is bored with rear
Body is inconsistent, and steel ball plays the role of bearing, drill body, cover board and drive disk after protection, on the preceding drill body of the slot bottom of the U-type groove
Equipped at least two arc circular grooves, spherical steel ball is equipped in arc circular groove, section of the lower end equipped with bar shaped of the clamping jaw is in
The guide groove of arc, the lower end of spherical steel ball and the slot bottom of arc circular groove are inconsistent, the upper end of spherical steel ball and the slot of guide groove
Bottom is inconsistent, by drill body and clamping jaw before the effect protection of spherical steel ball, the medial surface of the clamping jaw and preceding drill body through-hole side
Face is parallel, ensures drive disk in rotation, and clamping jaw stretches out U-type groove and enters gripping clamping piece in through-hole, the preceding drill body
Internal diameter is less than the outer diameter of rear drill body, and the rear end face of the front end face for making rear drill body and preceding drill body forms one, ensures preceding drill body with after
The stability of drill body connection, drill body, cover board and drive disk after protection, the snail tooth are set as Archimedian screw
The bar shaped sliding tooth of tooth, A Ji meter helical tooths and clamping jaw upper end is all set as the stepped tooth being meshed, and ensures that clamping jaw is same when rotated
The identical distances of Shi Yidong have many advantages, such as that simple in structure, easy to make, gripping effect is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the structural schematic diagram of drill body in the present invention.
Fig. 4 is drive disk and clamping jaw connection diagram in the present invention.
Fig. 5 is the upward view of drive disk in the present invention.
Specific implementation mode
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of drill chuck, including drill body, fixing sleeve 1, actuating sleeve 2, clamping jaw 3 and the drive that driving is engaged with clamping jaw
Moving plate 4, the structure of above-mentioned each component part and the interconnected relationship between them are same as the prior art, this is not repeated,
It is characterized in that the drill body is divided into the preceding drill body 5 and rear drill body 6 of coaxial line, the rear end of rear drill body 6 is equipped with and the mechanical phase of driving
The connecting hole 8 of connection, the middle part of preceding drill body 5 are equipped with the through-hole 7 put in for clamping piece, before the outer diameter of the rear drill body 6 is less than
5 rear end face exposed part of drill body forms the drive disk continuing surface 9 for playing the role of support and axial limiting before 5 outer diameter of drill body makes, and drives
Moving plate continuing surface 9 is equipped with the annular drive disk 4 for driving clamping jaw 3 being socketed on rear drill body 6, the lower face of drive disk 4
It is equipped with snail tooth 10, the side of the preceding drill body 5 of 4 lower section of drive disk is at least third equipped with being connected to through-hole 7
The rear drill body 6 of the U-type groove 11 divided, 11 surface of U-type groove is equipped with higher than the handstand of 10 height of snail tooth on drive disk 4
The U-type groove 11 of U-type groove, preceding drill body 5 combines to form clamping jaw radial travel paths with the U-type groove of rear drill body 6, in radial travel paths
Equipped with clamping jaw 3, the upper end of clamping jaw 3 is equipped with the bar shaped sliding tooth 12 being meshed with snail tooth 10, and the upper end bar shaped of clamping jaw 3 is driven
Moving teeth 12 stretches out 11 upper end of U-type groove of preceding drill body 5 and the U-type groove for putting in rear drill body 6 and 10 phase of snail tooth on drive disk 4
Engagement, the lower end of clamping jaw 3 and 11 bottom of U-type groove of preceding drill body 5 are inconsistent, 4 lateral surface of drive disk be socketed in preceding brill
Actuating sleeve 2 on body 5 is connected, and the front end of the rear end of the actuating sleeve 2 and the fixing sleeve 1 being connected on rear drill body 6 is slided
Connection is contradicted, drives drive disk 4 to rotate by rotating actuating sleeve 2, and then clamping jaw 3 is driven to be inside contracted and outside in the radial direction of drive disk 4
Expand, and then realize gripping and unload clamping piece, the rear end of the drive disk 4 is equipped with cover board 13, concordant with 13 rear end face of cover board
Rear drill body 6 be equipped with annular slot 14, clamp spring 15 is equipped in annular slot 14, cover board 13 is fixed on drive disk 4 by clamp spring 15
Top, realize the fixation of drive disk 4, the rear inside of the drive disk 4 is equipped with the rectangular annular groove 16 in section, described
Annular groove 16 in be equipped with steel ball arranged side by side, the lower end of the steel ball and slot bottom are inconsistent, upper end and 13 phase of cover board of steel ball
It contradicts, the medial surface of steel ball and rear drill body 6 are inconsistent, and steel ball plays the role of bearing, generated friction when being rotated by reducing
Power, to promote the clamping force of drill chuck, drill body 6, cover board 13 and drive disk 4 after protection, the preceding brill of the slot bottom of the U-type groove 11
Body 5 is equipped at least two arc circular grooves 17, and spherical steel ball is equipped in arc circular groove 17, and the lower end of the clamping jaw 3 is equipped with item
The arc-shaped guide groove 18 in the section of shape, the lower end of spherical steel ball and the slot bottom of arc circular groove 18 are inconsistent, spherical steel ball it is upper
End is inconsistent with the slot bottom of guide groove 18, and generated frictional force when being rotated by reducing is led to promote the clamping force of drill chuck
Cross the preceding drill body 5 of effect protection and clamping jaw 3, the medial surface of the clamping jaw 3 and the 7 side phase of through-hole of preceding drill body 5 of spherical steel ball
It is parallel, ensure drive disk 4 in rotation, clamping jaw 3 stretches out U-type groove 11 and grips clamping piece into through-hole is interior, the preceding drill body 5
Internal diameter is less than the outer diameter of rear drill body 6, before so that rear drill body 6 is connected on the rear end face of drill body 5, ensures that preceding drill body 5 and rear drill body 6 connect
The stability connect, drill body, cover board and drive disk after protection, preceding drill body described above and rear drill body can be set as being integrally formed, and one
Whole drill body after body formed opens up the clamping jaw radial travel paths being connected to through-hole on preceding drill body and rear drill body side, rear to bore
Clamping jaw radial travel paths part on body is the bar shaped sliding tooth for clamping jaw upper end radial through the clamping jaw diameter on preceding drill body
It is to limit moving radially for clamping jaw to movable passageway part, the clamping jaw can be set as rectangular clamping jaw, the plane spiral shell
Rotation tooth is set as Archimedian screw tooth, and the bar shaped sliding tooth of A Ji meter helical tooths and clamping jaw upper end is all set as being meshed trapezoidal
Tooth ensures that when rotated clamping jaw while mobile identical distance, Archimedian screw tooth is exactly that the linear rule of the helical tooth is
Spiral of Archimedes.
In the use of the present invention, the drill chuck is connected to driving mechanically, drill body 5 is logical before then piercing into pickup folder
In hole 7, actuating sleeve 2 is then rotated, actuating sleeve 2 drives drive disk 4 to rotate, in the effect of 4 lower, planar helical tooth 10 of drive disk
Lower drive clamping jaw 3 is radial to be inside contracted, and is realized the gripping of pickup folder, is worked after the completion of gripping, after the completion of work, revolution driving set
2, actuating sleeve 2 drives drive disk 4 to rotate, and then 3 radial direction of clamping jaw is extended out movement, realizes unloading for pickup folder, and the present invention
In clamping jaw be located at the inside of drill body, increase the gripping range for waiting for pickup folder, the clamping jaw of original drill chuck stretches out drill body,
Gripping range is the diameter range between clamping jaw, and scope of the present application increases to the diameter range of through-hole, therefore is increased
Wait for that the gripping range of pickup folder, the present invention are divided into the preceding drill body 5 and rear drill body 6 of coaxial line due to the drill body, rear drill body 6
Rear end is equipped with the connecting hole 8 being connected with driving machinery, and the middle part of preceding drill body 5 is equipped with the through-hole 7 put in for clamping piece, described
The outer diameter of drill body 6, which is less than 5 outer diameter of preceding drill body, afterwards makes the 5 rear end face exposed part formation of preceding drill body play the role of support and axial limiting
Drive disk continuing surface 9, drive disk continuing surface 9 be equipped be socketed on rear drill body 6 for driving the annular drive disk of clamping jaw 3
4, the lower face of drive disk 4 is equipped with snail tooth 10, and the side of the preceding drill body 5 of 4 lower section of drive disk is equipped with and leads to
The rear drill body 6 of the U-type groove 11 for at least trisection that hole 7 is connected to, 11 surface of U-type groove is equipped with higher than plane spiral shell on drive disk 4
The U-type groove of the handstand of 10 height of tooth is revolved, the U-type groove 11 of preceding drill body 5 is combined with the U-type groove of rear drill body 6 to be formed clamping jaw and move radially
Channel, radial travel paths are interior to be equipped with clamping jaw 3, and the upper end of clamping jaw 3 is equipped with the bar shaped sliding tooth being meshed with snail tooth 10
12, the upper end bar shaped sliding tooth 12 of clamping jaw 3 stretches out 11 upper end of U-type groove of preceding drill body 5 and puts in U-type groove and the driving of rear drill body 6
Snail tooth 10 on disk 4 is meshed, the driving inconsistent, described with 11 bottom of U-type groove of preceding drill body 5 of the lower end of clamping jaw 3
4 lateral surface of disk be socketed in before actuating sleeve 2 on drill body 5 be connected, the rear end of the actuating sleeve 2 and be connected to rear drill body 6
On fixing sleeve 1 front end sliding contradict connection, by rotate actuating sleeve 2 drive drive disk 4 rotate, and then drive clamping jaw 3 exist
The radial direction of drive disk 4 is inside contracted and is extended out, and then is realized gripping and unloaded clamping piece, and the rear end of the drive disk 4 is equipped with cover board
13, the rear drill body 6 concordant with 13 rear end face of cover board is equipped with annular slot 14, and clamp spring 15, clamp spring 15 are equipped in annular slot 14
Cover board 13 is fixed on to the top of drive disk 4, realizes that the fixation of drive disk 4, the rear inside of the drive disk 4 are equipped with section
Rectangular annular groove 16, the annular groove 16 is interior to be equipped with steel ball arranged side by side, and the lower end of the steel ball and slot bottom are inconsistent,
The upper end of steel ball and cover board 13 are inconsistent, and the medial surface of steel ball and rear drill body 6 are inconsistent, and steel ball plays the role of bearing, by subtracting
Generated frictional force when small rotation, to promote the clamping force of drill chuck, drill body 6, cover board 13 and drive disk 4, described after protection
The preceding drill body 5 of slot bottom of U-type groove 11 be equipped at least two arc circular grooves 17, spherical steel ball, institute are equipped in arc circular groove 17
The arc-shaped guide groove 18 in section of the lower end for the clamping jaw 3 stated equipped with bar shaped, the slot of the lower end and arc circular groove 18 of spherical steel ball
Bottom is inconsistent, and the upper end of spherical steel ball and the slot bottom of guide groove 18 are inconsistent, and generated frictional force when being rotated by reducing is come
The clamping force for promoting drill chuck, by drill body 5 and clamping jaw 3 before the effect of spherical steel ball protection, the medial surface of the clamping jaw 3 with
7 side of through-hole of preceding drill body 5 is parallel, ensures drive disk 4 in rotation, and clamping jaw 3 stretches out U-type groove 11 and enters gripping folder in through-hole
Gripping member, the internal diameter of the preceding drill body 5 is less than the outer diameter of rear drill body 6, before so that rear drill body 6 is connected on the rear end face of drill body 5, protects
The stability that the preceding drill body 5 of card and rear drill body 6 connect, drill body, cover board and drive disk after protection, the snail tooth 10 are set
For Archimedian screw tooth, the bar shaped sliding tooth 12 of 3 upper end of A Ji meter helical tooths and clamping jaw is all set as the stepped tooth being meshed, and protects
When rotated, mobile identical distance, the linear rule that Archimedian screw tooth is exactly the helical tooth are A Ji to clamping jaw to card simultaneously
Mead helix has many advantages, such as that simple in structure, easy to make, gripping effect is good.
Claims (7)
1. a kind of drill chuck, including drill body, fixing sleeve, actuating sleeve, clamping jaw and the drive disk for engaging driving with clamping jaw, feature exist
It is divided into the preceding drill body of coaxial line and rear drill body in the drill body, the rear end of rear drill body is equipped with the connection being connected with driving machinery
Hole, the middle part of preceding drill body are equipped with the through-hole put in for clamping piece, the outer diameter of the rear drill body be less than preceding drill body outer diameter make before
Drill body rear end face exposed part forms drive disk continuing surface, and drive disk continuing surface is equipped with to be socketed on rear drill body and is used to drive
The lower face of the annular drive disk of clamping jaw, drive disk is equipped with snail tooth, the side of the preceding drill body below the drive disk
Face is equipped with the U-type groove for at least trisection being connected to through-hole, and the rear drill body lower end right over U-type groove is equipped with flat higher than drive disk
The U-type groove of the handstand of surface helix tooth height, the U-type groove of preceding drill body combined with the U-type groove of rear drill body to be formed clamping jaw move radially it is logical
Road, radial travel paths are interior to be equipped with clamping jaw, and the upper end of clamping jaw is equipped with the bar shaped sliding tooth being meshed with snail tooth, clamping jaw
Bar shaped sliding tooth in upper end stretches out the U-type groove upper end of preceding drill body and puts in the snail in the U-type groove of rear drill body and on drive disk
Tooth is meshed, and the lower end of clamping jaw and the U-type groove bottom of preceding drill body are inconsistent, the drive disk lateral surface and is socketed in preceding drill body
On actuating sleeve be connected, the front end sliding of the rear end of the actuating sleeve and the fixing sleeve that is connected on rear drill body, which contradicts, to be connected
It connects, drives driving disc spins by rotating actuating sleeve, and then clamping jaw is driven to inside contract and extend out in the radial direction of drive disk, and then realize
Grip and unload clamping piece.
2. a kind of drill chuck according to claim 1, it is characterised in that the rear end of the drive disk is equipped with cover board, with lid
The concordant rear drill body of plate rear end face is equipped with annular slot, is equipped with clamp spring in annular slot, cover board is fixed on drive disk by clamp spring
Top, realize the fixation of drive disk.
3. a kind of drill chuck according to claim 2, it is characterised in that the rear inside of the drive disk is equipped with section
Rectangular annular groove, the annular groove is interior to be equipped with steel ball arranged side by side, and the lower end of the steel ball and slot bottom are inconsistent, steel ball
Upper end and cover board it is inconsistent, the medial surface of steel ball and rear drill body are inconsistent.
4. a kind of drill chuck according to claim 1 or 3, it is characterised in that on the preceding drill body of the slot bottom of the U-type groove
Equipped at least two arc circular grooves, spherical steel ball is equipped in arc circular groove, section of the lower end equipped with bar shaped of the clamping jaw is in
The guide groove of arc, the lower end of spherical steel ball and the slot bottom of arc circular groove are inconsistent, the upper end of spherical steel ball and the slot of guide groove
Bottom is inconsistent.
5. a kind of drill chuck according to claim 1, it is characterised in that the medial surface of the clamping jaw and preceding drill body through-hole
Side is parallel.
6. a kind of drill chuck according to claim 1, it is characterised in that the internal diameter of the preceding drill body is less than rear drill body
Outer diameter.
7. a kind of drill chuck according to claim 1, it is characterised in that the snail tooth is set as Archimedes
The bar shaped sliding tooth of helical tooth, A Ji meter helical tooths and clamping jaw upper end is all set as the stepped tooth being meshed.
Priority Applications (1)
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CN201810599699.6A CN108543962B (en) | 2018-06-12 | 2018-06-12 | Drill chuck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810599699.6A CN108543962B (en) | 2018-06-12 | 2018-06-12 | Drill chuck |
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CN108543962A true CN108543962A (en) | 2018-09-18 |
CN108543962B CN108543962B (en) | 2023-07-07 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113878283A (en) * | 2021-10-13 | 2022-01-04 | 上海佳地喷雾系统有限公司 | Spray gun welding tool |
WO2024036484A1 (en) * | 2022-08-16 | 2024-02-22 | 福比特精工科技有限公司 | Drill chuck and power tool |
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CN201333537Y (en) * | 2009-01-13 | 2009-10-28 | 于庆滋 | Keyless drill chuck |
WO2010081394A1 (en) * | 2009-01-13 | 2010-07-22 | Yu Qingzi | Self-tightening drill chuck |
CN202779945U (en) * | 2012-08-01 | 2013-03-13 | 山东威达机械股份有限公司 | Drill chuck |
WO2014022987A1 (en) * | 2012-08-08 | 2014-02-13 | 威海达旺五金制品有限责任公司 | Drill chuck |
CN103862076A (en) * | 2012-12-13 | 2014-06-18 | 罗姆股份有限公司 | Drill chuck |
CN205927167U (en) * | 2016-04-29 | 2017-02-08 | 山东威达机械股份有限公司 | Chuck |
WO2018025170A1 (en) * | 2016-08-03 | 2018-02-08 | Medja Goran | Self-tightening quick-release drill chuck |
CN208261889U (en) * | 2018-06-12 | 2018-12-21 | 山东威达机械股份有限公司 | A kind of drill chuck |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113878283A (en) * | 2021-10-13 | 2022-01-04 | 上海佳地喷雾系统有限公司 | Spray gun welding tool |
CN113878283B (en) * | 2021-10-13 | 2024-01-16 | 上海佳地喷雾系统有限公司 | Spray gun welding fixture |
WO2024036484A1 (en) * | 2022-08-16 | 2024-02-22 | 福比特精工科技有限公司 | Drill chuck and power tool |
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