CN108543962B - Drill chuck - Google Patents
Drill chuck Download PDFInfo
- Publication number
- CN108543962B CN108543962B CN201810599699.6A CN201810599699A CN108543962B CN 108543962 B CN108543962 B CN 108543962B CN 201810599699 A CN201810599699 A CN 201810599699A CN 108543962 B CN108543962 B CN 108543962B
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- Prior art keywords
- drill body
- driving
- driving disc
- shaped
- clamping
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention relates to the technical field of electric tool accessories, in particular to a drill chuck which comprises a drill body, a fixed sleeve, a driving sleeve, clamping jaws and a driving disc meshed with the clamping jaws for driving.
Description
Technical Field
The invention relates to the technical field of electric tool accessories, in particular to a drill chuck which is simple in structure, convenient to manufacture and good in clamping effect.
Background
As is well known, the existing hand-tight drill chuck generally comprises a drill body, clamping jaws, a nut sleeve, a fixing sleeve, a driving sleeve and the like, wherein three clamping jaws are respectively arranged in three equally-divided inclined holes of the drill body, the nut is arranged in a nut groove of the drill body, the nut sleeve fixes the nut, threads of the nut and the clamping jaws form a thread transmission mechanism, the driving sleeve is fixedly connected with the nut sleeve, a threaded hole is formed in the rear portion of the drill body, when the hand-tight drill chuck is used for installation, the threaded hole in the rear portion of the drill body is connected with a transmission shaft of a power machine tool, when the transmission shaft rotates, the drill body is driven to drive three jaws and a clamped tool to synchronously rotate, but in the process of machining, three equally-divided inclined holes of 15 degrees are required to be formed in the drill body, 15-degree inclined teeth are required to be formed on column profiles of the clamping jaws which are arranged in the equally-divided inclined holes, 15-degree conical teeth matched with the 15-degree inclined teeth are required to be formed on the nut, and the 15-degree conical teeth are required to be formed in the nut.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the drill chuck which is simple in structure, convenient to manufacture and good in clamping effect.
The technical scheme adopted for solving the technical problems is as follows:
the drill chuck comprises a drill body, a fixed sleeve, a driving sleeve, clamping jaws and a driving disc which is meshed with the clamping jaws and is driven, and is characterized in that the drill body is divided into a front drill body and a rear drill body which are coaxial, a connecting hole which is connected with a driving machine is formed in the rear end of the rear drill body, a through hole which is used for extending a clamping piece is formed in the middle of the front drill body, the outer diameter of the rear drill body is smaller than that of the front drill body, an annular driving disc which is sleeved on the rear drill body and used for driving the clamping jaws is arranged on the driving disc receiving surface, planar spiral teeth are arranged on the lower end face of the driving disc, at least three-way U-shaped grooves which are communicated with the through hole are formed in the side face of the front drill body below the driving disc, inverted U-shaped grooves which are higher than the planar spiral teeth of the driving disc are formed in the lower end of the rear drill body, a radial moving channel is formed by combining the U-shaped grooves of the front drill body with the U-shaped grooves, upper ends of the front drill body are arranged on the radial moving channel, the upper ends of the clamping jaws are in contact with the planar spiral teeth which are meshed with the planar spiral teeth of the driving disc, the clamping jaws are in the upper end of the front drill body which is connected with the front drill body in a sliding mode, the upper end of the clamping jaws is meshed with the front drill body in a sliding mode, the upper end of the driving disc is fixedly connected with the upper end of the driving disc which is meshed with the planar spiral teeth of the front drill body, and the upper end of the driving disc is meshed with the front end of the front drill body in a sliding mode, and the upper end of the driving jaw is meshed with the planar spiral teeth, and the upper end of the driving jaw is meshed with the driving jaw.
The rear end of the driving disc is provided with the cover plate, the rear drill body which is flush with the rear end surface of the cover plate is provided with the annular clamping groove, the annular clamping groove is internally provided with the clamp spring, and the clamp spring is used for fixing the cover plate above the driving disc to fix the driving disc.
The inner side of the rear end of the driving disk is provided with an annular groove with a right-angle cross section, parallel steel balls are arranged in the annular groove, the lower ends of the steel balls are in contact with the bottom of the groove, the upper ends of the steel balls are in contact with the cover plate, the inner side surfaces of the steel balls are in contact with the rear drill, the steel balls play a bearing role, and the clamping force of the drill chuck is improved by reducing friction force generated during rotation, so that the rear drill body, the cover plate and the driving disk are protected.
The front drill body at the bottom of the U-shaped groove is provided with at least two arc-shaped circular grooves, spherical steel balls are arranged in the arc-shaped circular grooves, the lower ends of the clamping jaws are provided with strip-shaped guide grooves with arc-shaped cross sections, the lower ends of the spherical steel balls are in contact with the bottom of the arc-shaped circular grooves, the upper ends of the spherical steel balls are in contact with the bottom of the guide grooves, and the clamping force of the drill chuck is improved by reducing friction force generated during rotation, so that the front drill body and the clamping jaws are protected.
The inner side surface of the clamping jaw is parallel to the side surface of the through hole of the front drill body, so that the clamping jaw extends out of the U-shaped groove to enter the through hole to clamp the clamping piece when the driving disc rotates.
The inner diameter of the front drill body is smaller than the outer diameter of the rear drill body, so that the front end surface of the rear drill body and the rear end surface of the front drill body are integrated, the connection stability of the front drill body and the rear drill body is ensured, and the rear drill body, the cover plate and the driving disc are protected.
The plane spiral teeth are Archimedes spiral teeth, and the Archimedes spiral teeth and the strip-shaped driving teeth at the upper ends of the clamping jaws are trapezoidal teeth which are meshed, so that the clamping jaws can move the same distance simultaneously during rotation.
The invention is characterized in that the drill body is divided into a front drill body and a rear drill body which are coaxial, the rear end of the rear drill body is provided with a connecting hole connected with a driving machine, the middle part of the front drill body is provided with a through hole for a clamping piece to extend in, the outer diameter of the rear drill body is smaller than that of the front drill body, the exposed part of the rear end surface of the front drill body forms a driving disc bearing surface, an annular driving disc sleeved on the rear drill body and used for driving clamping jaws is arranged on the driving disc bearing surface, the lower end surface of the driving disc is provided with a plane spiral tooth, the side surface of the front drill body below the driving disc is provided with at least three-half U-shaped grooves communicated with the through hole, the lower end of the rear drill body right above the U-shaped grooves is provided with an inverted U-shaped groove higher than the plane spiral tooth height of the driving disc, the U-shaped grooves of the front drill body and the U-shaped grooves of the rear drill body are combined to form a radial moving channel, the clamping jaws are arranged in the radial moving channel, the upper end of the clamping jaw is provided with a strip-shaped driving tooth meshed with the plane spiral tooth, the strip-shaped driving tooth at the upper end of the clamping jaw extends out of the upper end of the U-shaped groove of the front drill body and into the U-shaped groove of the rear drill body to be meshed with the plane spiral tooth on the driving disc, the lower end of the clamping jaw is in contact with the bottom of the U-shaped groove of the front drill body, the outer side surface of the driving disc is connected with a driving sleeve sleeved on the front drill body, the rear end of the driving sleeve is in sliding contact with the front end of a fixing sleeve connected on the rear drill body, the driving disc is driven to rotate by rotating the driving sleeve, the clamping jaw is driven to retract and expand outwards in the radial direction of the driving disc, clamping and detaching of the clamping piece are realized, the rear end of the driving disc is provided with a cover plate, the rear drill body flush with the rear end face of the cover plate is provided with an annular clamping groove, the clamping spring is arranged in the annular clamping groove to fix the cover plate above the driving disc, the fixing of the driving disc is realized, the inner side of the rear end of the driving disk is provided with an annular groove with a right-angle cross section, parallel steel balls are arranged in the annular groove, the lower ends of the steel balls are in contact with the groove bottom, the upper ends of the steel balls are in contact with the cover plate, the inner side surfaces of the steel balls are in contact with the rear drill, the steel balls play a bearing role, the rear drill body, the cover plate and the driving disk are protected, the front drill body at the groove bottom of the U-shaped groove is provided with at least two arc-shaped circular grooves, spherical steel balls are arranged in the arc-shaped circular grooves, the lower ends of the clamping jaws are provided with strip-shaped guide grooves with arc-shaped cross sections, the lower ends of the spherical steel balls are in contact with the groove bottom of the arc-shaped circular grooves, the upper ends of the spherical steel balls are in contact with the groove bottom of the guide grooves, the front drill body and the clamping jaws are protected through the action of the spherical steel balls, the inner side of clamping jaw and preceding brill body through-hole side parallel, guarantee that the driving disk is when rotating, clamping jaw stretches out U type groove and gets into the through-hole and press from both sides and get the holder, preceding brill body's internal diameter be less than the external diameter of back brill body, make the preceding terminal surface of back brill body and the back terminal surface of preceding brill body form an organic wholely, guarantee the stability that preceding brill body and back brill body are connected, protection back brill body, apron and driving disk, planar helical tooth set up to archimedes helical tooth, the bar drive tooth of archimedes helical tooth and clamping jaw upper end all set up to the trapezoidal tooth of engaged with, guarantee when rotatory, the clamping jaw removes the same distance simultaneously, have simple structure, simple manufacture, press from both sides and get advantages such as effectual.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic structural view of a drill body according to the present invention.
Fig. 4 is a schematic view of the connection of the drive plate to the clamping jaw in the present invention.
Fig. 5 is a bottom view of the drive disk of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the drawing, the drill chuck comprises a drill body, a fixed sleeve 1, a driving sleeve 2, clamping jaws 3 and a driving disc 4 which is meshed with the clamping jaws for driving, the structures of the above components and the mutual connection relation between the components are the same as those of the prior art, which is not repeated, the drill chuck is characterized in that the drill body is divided into a front drill body 5 and a rear drill body 6 which are coaxial, the rear end of the rear drill body 6 is provided with a connecting hole 8 which is connected with a driving machine, the middle part of the front drill body 5 is provided with a through hole 7 for extending in a clamping element, the outer diameter of the rear drill body 6 is smaller than the outer diameter of the front drill body 5, the exposed part of the rear end face of the front drill body 5 forms a driving disc bearing surface 9 which plays a role in supporting and axial limiting, the driving disc bearing surface 9 is provided with an annular driving disc 4 which is sleeved on the rear drill body 6 and is used for driving the clamping jaws 3, the lower end face of the driving disc 4 is provided with a plane helical tooth 10, the side surface of the front drill body 5 below the driving disc 4 is provided with at least trisection U-shaped grooves 11 communicated with the through holes 7, the rear drill body 6 right above the U-shaped grooves 11 is provided with inverted U-shaped grooves higher than the plane helical teeth 10 on the driving disc 4, the U-shaped grooves 11 of the front drill body 5 and the U-shaped grooves of the rear drill body 6 are combined to form a clamping jaw radial moving channel, clamping jaws 3 are arranged in the radial moving channel, the upper ends of the clamping jaws 3 are provided with strip-shaped driving teeth 12 meshed with the plane helical teeth 10, the strip-shaped driving teeth 12 at the upper ends of the clamping jaws 3 extend out of the upper ends of the U-shaped grooves 11 of the front drill body 5 and extend into the U-shaped grooves of the rear drill body 6 to be meshed with the plane helical teeth 10 on the driving disc 4, the lower ends of the clamping jaws 3 are in conflict with the bottoms of the U-shaped grooves 11 of the front drill body 5, the outer side surface of the driving disc 4 is connected with a driving sleeve 2 sleeved on the front drill body 5, the rear end of the driving sleeve 2 is in sliding and abutting connection with the front end of the fixing sleeve 1 connected to the rear drill body 6, the driving sleeve 2 is rotated to drive the driving disc 4 to rotate, the clamping jaw 3 is driven to retract and expand radially inwards and outwards of the driving disc 4, clamping and clamping piece unloading are achieved, the rear end of the driving disc 4 is provided with a cover plate 13, an annular clamping groove 14 is arranged on the rear drill body 6 which is flush with the rear end face of the cover plate 13, a clamping spring 15 is arranged in the annular clamping groove 14, the cover plate 13 is fixed above the driving disc 4 by the clamping spring 15, the driving disc 4 is fixed, an annular groove 16 with a right-angle cross section is arranged on the inner side of the rear end of the driving disc 4, parallel steel balls are arranged in the annular groove 16, the lower ends of the steel balls are abutted against the groove bottom, the upper ends of the steel balls are abutted against the cover plate 13, the inner sides of the steel balls are abutted against the rear drill body 6, and the steel balls play a bearing role, the clamping force of the drill chuck is improved by reducing the friction force generated during rotation, the rear drill body 6, the cover plate 13 and the driving disc 4 are protected, at least two arc-shaped round grooves 17 are arranged on the front drill body 5 at the bottom of the U-shaped groove 11, spherical steel balls are arranged in the arc-shaped round grooves 17, strip-shaped guide grooves 18 with arc-shaped sections are arranged at the lower ends of the clamping jaws 3, the lower ends of the spherical steel balls are in contact with the bottoms of the arc-shaped round grooves 18, the upper ends of the spherical steel balls are in contact with the bottoms of the guide grooves 18, the clamping force of the drill chuck is improved by reducing the friction force generated during rotation, the front drill body 5 and the clamping jaws 3 are protected by the action of the spherical steel balls, the inner side surfaces of the clamping jaws 3 are parallel to the side surfaces of the through holes 7 of the front drill body 5, the clamping jaws 3 are guaranteed to extend out of the U-shaped grooves 11 to enter the through holes to clamp the clamping pieces when the driving disc 4 rotates, the inner diameter of the front drill body 5 is smaller than the outer diameter of the rear drill body 6, the rear drill body 6 is connected to the rear end face of the front drill body 5, the connection stability of the front drill body 5 and the rear drill body 6 is guaranteed, the rear drill body, the cover plate and the driving disc are protected, the front drill body and the rear drill body can be integrally formed, clamping jaw radial moving channels communicated with the through holes are formed in the side faces of the front drill body and the rear drill body of the integrally formed whole drill body, the clamping jaw radial moving channels on the rear drill body are used for radially passing through strip-shaped driving teeth at the upper ends of the clamping jaws, the clamping jaw radial moving channels on the front drill body are used for limiting the radial movement of the clamping jaws, the clamping jaws can be square clamping jaws, the plane spiral teeth are formed into Archimedes spiral teeth, the Archimedes spiral teeth and the strip-shaped driving teeth at the upper ends of the clamping jaws are all formed into meshed trapezoid teeth, and the clamping jaws move the same distance simultaneously during rotation, and the Archimedes spiral teeth are the linear rule of the spiral teeth.
When the drill chuck is used, the drill chuck is connected to a driving machine, then the clamping piece is penetrated into the through hole 7 of the front drill body 5, then the driving sleeve 2 is rotated, the driving sleeve 2 drives the driving disc 4 to rotate, the clamping jaw 3 is driven to shrink inwards in the radial direction under the action of the plane helical tooth 10 below the driving disc 4, the clamping of the clamping piece is realized, the work is carried out after the clamping is finished, after the work is finished, the driving sleeve 2 is rotated, the driving sleeve 2 drives the driving disc 4 to rotate, the clamping jaw 3 is further expanded and moved in the radial direction, the dismounting of the clamping piece is realized, the clamping jaw is arranged in the drill body, the clamping range of the to-be-clamped piece is enlarged, the clamping jaw of the original drill chuck extends out of the drill body, the clamping range of the application is only the diameter range between the clamping jaw, and the diameter range of the through hole is enlarged, so that the clamping range of the to-be-clamped piece is enlarged, the invention is characterized in that the drill body is divided into a front drill body 5 and a rear drill body 6 which are coaxial, the rear end of the rear drill body 6 is provided with a connecting hole 8 connected with a driving machine, the middle part of the front drill body 5 is provided with a through hole 7 for a clamping piece to extend in, the outer diameter of the rear drill body 6 is smaller than that of the front drill body 5, the exposed part of the rear end surface of the front drill body 5 forms a driving disk bearing surface 9 which plays roles in supporting and axial limiting, the driving disk bearing surface 9 is provided with an annular driving disk 4 which is sleeved on the rear drill body 6 and is used for driving a clamping jaw 3, the lower end surface of the driving disk 4 is provided with a plane helical tooth 10, the side surface of the front drill body 5 below the driving disk 4 is provided with a U-shaped groove 11 which is at least three-way communicated with the through hole 7, the rear drill body 6 right above the U-shaped groove 11 is provided with an inverted U-shaped groove which is higher than the plane helical tooth 10 on the driving disk 4, the U-shaped groove 11 of the front drill body 5 and the U-shaped groove of the rear drill body 6 form a clamping jaw radial moving channel, a clamping jaw 3 is arranged in the radial moving channel, the upper end of the clamping jaw 3 is provided with a strip-shaped driving tooth 12 meshed with a plane spiral tooth 10, the strip-shaped driving tooth 12 at the upper end of the clamping jaw 3 extends out of the upper end of the U-shaped groove 11 of the front drill body 5 and stretches into the U-shaped groove of the rear drill body 6 to be meshed with the plane spiral tooth 10 on the driving disc 4, the lower end of the clamping jaw 3 is in contact with the bottom of the U-shaped groove 11 of the front drill body 5, the outer side surface of the driving disc 4 is connected with a driving sleeve 2 sleeved on the front drill body 5, the rear end of the driving sleeve 2 is in sliding contact with the front end of a fixed sleeve 1 connected on the rear drill body 6, the driving sleeve 2 is rotated to drive the driving disc 4, the clamping jaw 3 is further driven to shrink inwards and expand in the radial direction of the driving disc 4, and clamping jaw 3 is further clamped and disassembled, the rear end of the driving disk 4 is provided with a cover plate 13, the rear drill body 6 flush with the rear end surface of the cover plate 13 is provided with an annular clamping groove 14, a clamp spring 15 is arranged in the annular clamping groove 14, the cover plate 13 is fixed above the driving disk 4 by the clamp spring 15 to realize the fixation of the driving disk 4, the inner side of the rear end of the driving disk 4 is provided with an annular groove 16 with a right-angle cross section, parallel steel balls are arranged in the annular groove 16, the lower ends of the steel balls are in contact with the groove bottom, the upper ends of the steel balls are in contact with the cover plate 13, the inner side surfaces of the steel balls are in contact with the rear drill body 6, the steel balls play a bearing role, the clamping force of the drill chuck is improved by reducing the friction force generated during rotation, the rear drill body 6, the cover plate 13 and the driving disk 4 are protected, the front drill body 5 at the groove bottom of the U-shaped groove 11 is provided with at least two arc-shaped round grooves 17, the arc-shaped round grooves 17 are internally provided with spherical steel balls, the lower extreme of clamping jaw 3 be equipped with the bar cross-section and be curved guide way 18, the lower extreme of spherical steel ball is inconsistent with the tank bottom of arc circular groove 18, the upper end of spherical steel ball is inconsistent with the tank bottom of guide way 18, through the frictional force that produces when reducing the rotation, promotes the clamping force of drill chuck, through the effect of spherical steel ball protection front drill body 5 and clamping jaw 3, the medial surface of clamping jaw 3 and front drill body 5's through-hole 7 side parallel, guarantee that driving disk 4 when rotating, clamping jaw 3 stretches out U type groove 11 and gets into the through-hole and presss from both sides and get the holder, front drill body 5's internal diameter be less than the external diameter of back drill body 6, make back drill body 6 connect on the rear end face of front drill body 5, guarantee front drill body 5 and back drill body 6 connection's stability, protection back drill body, apron and driving disk, planar helical tooth 10 set up into the archimedes helical tooth, arches helical tooth and clamping jaw 3 upper end's bar drive tooth 12 all set up into the trapezoidal tooth that meshes, guarantee that the same arches helical tooth is just linear spiral tooth that moves simultaneously when rotating, this archimedes helical tooth has the linear advantage of taking, the advantage that the spiral tooth is convenient, the manufacturing is simple, the spiral tooth that just has the law to take advantage.
Claims (7)
1. The drill chuck comprises a drill body, a fixed sleeve, a driving sleeve, clamping jaws and a driving disc which is meshed with the clamping jaws and is driven, and is characterized in that the drill body is divided into a front drill body and a rear drill body which are coaxial, a connecting hole which is connected with a driving machine is formed in the rear end of the rear drill body, a through hole which is used for extending a clamping piece is formed in the middle of the front drill body, the outer diameter of the rear drill body is smaller than that of the front drill body, an annular driving disc which is sleeved on the rear drill body and used for driving the clamping jaws is arranged on the driving disc receiving surface, planar spiral teeth are arranged on the lower end face of the driving disc, at least three-way U-shaped grooves which are communicated with the through hole are formed in the side face of the front drill body below the driving disc, inverted U-shaped grooves which are higher than the planar spiral teeth of the driving disc are formed in the lower end of the rear drill body, a radial moving channel is formed by combining the U-shaped grooves of the front drill body with the U-shaped grooves, upper ends of the front drill body are arranged on the radial moving channel, the upper ends of the clamping jaws are in contact with the planar spiral teeth which are meshed with the planar spiral teeth of the driving disc, the clamping jaws are in the upper end of the front drill body which is connected with the front drill body in a sliding mode, the upper end of the clamping jaws is meshed with the front drill body in a sliding mode, the upper end of the driving disc is fixedly connected with the upper end of the driving disc which is meshed with the planar spiral teeth of the front drill body, and the upper end of the driving disc is meshed with the front end of the front drill body in a sliding mode, and the upper end of the driving jaw is meshed with the planar spiral teeth, and the upper end of the driving jaw is meshed with the driving jaw.
2. The drill chuck according to claim 1, wherein the rear end of the driving plate is provided with a cover plate, the rear drill body flush with the rear end surface of the cover plate is provided with an annular clamping groove, and a clamp spring is arranged in the annular clamping groove and fixes the cover plate above the driving plate to fix the driving plate.
3. The drill chuck according to claim 2, wherein the inner side of the rear end of the driving disc is provided with an annular groove with a right-angle cross section, parallel steel balls are arranged in the annular groove, the lower ends of the steel balls are abutted against the groove bottom, the upper ends of the steel balls are abutted against the cover plate, and the inner side surfaces of the steel balls are abutted against the rear drill.
4. A drill chuck according to claim 1 or 3, wherein the front drill body of the bottom of the U-shaped groove is provided with at least two arc-shaped circular grooves, spherical steel balls are arranged in the arc-shaped circular grooves, the lower ends of the clamping jaws are provided with strip-shaped guide grooves with arc-shaped cross sections, the lower ends of the spherical steel balls are in contact with the bottoms of the arc-shaped circular grooves, and the upper ends of the spherical steel balls are in contact with the bottoms of the guide grooves.
5. A drill chuck according to claim 1, wherein the inner side of the jaws is parallel to the side of the through bore of the front drill body.
6. A drill chuck according to claim 1, wherein the inner diameter of the front drill body is smaller than the outer diameter of the rear drill body.
7. A drill chuck according to claim 1, wherein the planar screw teeth are archimedes screw teeth, and the archimedes screw teeth and the bar-shaped drive teeth at the upper ends of the jaws are trapezoidal teeth which engage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599699.6A CN108543962B (en) | 2018-06-12 | 2018-06-12 | Drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599699.6A CN108543962B (en) | 2018-06-12 | 2018-06-12 | Drill chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108543962A CN108543962A (en) | 2018-09-18 |
| CN108543962B true CN108543962B (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810599699.6A Active CN108543962B (en) | 2018-06-12 | 2018-06-12 | Drill chuck |
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| Country | Link |
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| CN (1) | CN108543962B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10352311A1 (en) * | 2003-11-06 | 2005-06-09 | Röhm Gmbh | chuck |
| CN201333537Y (en) * | 2009-01-13 | 2009-10-28 | 于庆滋 | 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 |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2553017B1 (en) * | 1983-10-08 | 1992-08-28 | Roehm Guenter H | TIGHTENING CHUCK |
| JP2002510558A (en) * | 1998-04-03 | 2002-04-09 | エヌ．ティ．ナウム テクノロジーズ、リミテッド | Automatic power chuck device |
| DE10335500A1 (en) * | 2003-07-31 | 2005-03-03 | Röhm Gmbh | keyless |
| WO2006099820A1 (en) * | 2005-03-19 | 2006-09-28 | Röhm Gmbh | Drill chuck |
| DE102012112208A1 (en) * | 2012-12-13 | 2014-06-18 | Röhm Gmbh | 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 |
-
2018
- 2018-06-12 CN CN201810599699.6A patent/CN108543962B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10352311A1 (en) * | 2003-11-06 | 2005-06-09 | Röhm Gmbh | chuck |
| CN201333537Y (en) * | 2009-01-13 | 2009-10-28 | 于庆滋 | Self-tightening 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 |
| 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 |
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| Publication number | Publication date |
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| CN108543962A (en) | 2018-09-18 |
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