CN208495830U - A kind of clip claw assembly and drill chuck - Google Patents
A kind of clip claw assembly and drill chuck Download PDFInfo
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- CN208495830U CN208495830U CN201820778305.9U CN201820778305U CN208495830U CN 208495830 U CN208495830 U CN 208495830U CN 201820778305 U CN201820778305 U CN 201820778305U CN 208495830 U CN208495830 U CN 208495830U
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- drill body
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- clamping jaw
- clip claw
- screw
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Abstract
The utility model provides a kind of clip claw assembly and drill chuck, which solve existing clip claw assembly structure is complicated, clamping range is small, clamping effect is poor and higher cost the technical issues of, it is equipped with the first clamping jaw, it is additionally provided with the second clamping jaw, first clamping jaw and the second clamping jaw are equipped with and screw section, screw and are equipped with screw thread on the outside of section；It screws and is equipped with clamp segment above section；Section is screwed to be fixedly connected with the clamp segment；It is equipped with the first clamping part on the inside of the clamp segment of first clamping jaw, is equipped with the second clamping part matched with the first clamping part on the inside of the clamp segment of the second clamping jaw, the utility model can be widely used for the fields such as electric tool, machine tool accessories and medical instrument.
Description
Technical field
The utility model relates to a kind of instruments, more particularly, to a kind of clip claw assembly and drill chuck.
Background technique
Drill chuck is one of the key fitment of Power Tools Industries and machine industry, is widely used in electric tool, lathe
The fields such as attachment and medical instrument, it is that the equipment such as electric tool and lathe are connect with drilling tool, for clamping the attached of handle kind tool
Part.Wherein, clamping jaw is clamping tool when drill chuck carries out clamping work.
Traditional clip claw assembly generally uses three-pawl type, and its structure is complicated, and inconvenient and waste material makes drill point
Head production cost is got higher, and its clamping range is smaller, and clamping effect is poor.Existing drill chuck mechanism is complicated, inconvenient for use.
Summary of the invention
The utility model aiming at existing clip claw assembly structure is complicated, clamping range is small, clamping effect is poor and cost compared with
High technical problem, provides that a kind of structure is simple, clamping range is big, clamping effect is good and clip claw assembly and drill point at low cost
Head.
For this purpose, the utility model is equipped with the first clamping jaw, it is additionally provided with the second clamping jaw, the first clamping jaw and the second clamping jaw are equipped with rotation
Tight section screws and is equipped with screw thread on the outside of section；It screws and is equipped with clamp segment above section；It is described to screw section and the fixed company of the clamp segment
It connects；It is equipped with the first clamping part on the inside of the clamp segment of first clamping jaw, is equipped with and the first clamping part phase on the inside of the clamp segment of the second clamping jaw
Second clamping part of cooperation.
Preferably, the first clamping part is identical as the second clamping part structure；Its circumferencial direction of lateral edge is equipped in first clamping part
Several grooves, and be in internal tooth colyliform on the inside of the radial cutting plane of the first clamping part.
Preferably, arc-shaped depression portion is equipped at the first clamping part medial center；The arc-shaped depression portion two sides are equipped with symmetrical tooth
Shape protrusion；Strip recess portion is equipped at second clamping part medial center, strip recess portion is in a rectangular parallelepiped shape；Its side wall and bottom wall phase
Vertically；Strip recess portion two sides are equipped with partes glabra, and the side wall of partes glabra and the strip recess portion is perpendicular；The partes glabra two
Side is equipped with holding portion.
A kind of drill chuck is equipped with clip claw assembly；It is additionally provided with protheca and rear enclosure；Protheca is located above the rear enclosure；Protheca
With in rear enclosure be equipped with the first drill body；First drill body lower end is fixedly connected with rear enclosure；First drill body upper end interference is connected with front cover；Before
Its circumferencial direction of lateral edge is equipped with limited step in set upper side；First drill body side wall is set there are two symmetrical clamping jaw hole；Clip claw assembly
In the clamping jaw hole；
The first support level is equipped in the middle part of first drill body, the first support level upper end is equipped with the first gasket, first pad
Piece is sheathed on the outer circumference surface of the first drill body, and with the first drill body clearance fit；First gasket upper end is equipped with screw, described
Screw is fixedly connected with nut sleeve, and the nut sleeve is connected with protheca；The screw and nut sleeve are sheathed on the first drill body
Outer circumference surface and with the first drill body clearance fit；Screw thread is equipped on the inside of screw.
Preferably, it is equipped with bearing between the first gasket and screw, bearing holder (housing, cover) is set to the outer circumference surface of the first drill body and with the
One drill body clearance fit.
Preferably, protheca inner top side is uniformly provided with multiple driving claws, and in a rectangular parallelepiped shape, lower end is close for the driving claw
The side of protheca inner wall is equipped with notch；Nut sleeve is equipped with the drive hole matched with driving claw.
A kind of drill chuck is equipped with clip claw assembly；It is additionally provided with housing, outer set upper side is fixed with conical gear；Housing and
The second drill body is equipped in conical gear；Second drill body lower end and housing lower gap cooperate, and circular cone tooth is run through in the second drill body upper end
Wheel, and with conical gear clearance fit；Second drill body side wall is set there are two symmetrical clamping jaw hole；Clip claw assembly is located at clamping jaw hole
It is interior；
The second support level is equipped in the middle part of second drill body；Second support level upper end is equipped with the second gasket；On second gasket
End is equipped with band teeth nut；Band teeth nut is fixedly connected with housing, is equipped with screw thread on the inside of band teeth nut.
The utility model structure is simple, and cost is relatively low.When the first clamping part and the second clamping part structure phase of clip claw assembly
Together, its circumferencial direction of lateral edge is equipped with several grooves in the first clamping part, and is in internal tooth on the inside of the radial cutting plane of the first clamping part
When colyliform, when the first clamping part, the second clamping part and drilling tool clamp, the first clamping part, the second clamping part and drilling tool can guarantee
Four line contacts are at least formed, compared to the clamping jaw that inner peripheral surface is arc-shaped, clamping range is wide, and clamping effect is good.When first
Arc-shaped depression portion is equipped at clamping part medial center, arc-shaped depression portion two sides are equipped with symmetrical detent projection, on the inside of the second clamping part in
Strip recess portion is equipped at the heart, strip recess portion two sides are equipped with partes glabra, when partes glabra two sides are equipped with holding portion, in the first clamping
When portion, the second clamping part and drilling tool clamp, it can guarantee that the first clamping part, the second clamping part and drilling tool at least form three lines and connect
Touching, clamping range is wide, and clamping effect is good.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged structure schematic diagram of the first clip claw assembly clamping section of the utility model embodiment 1；
Fig. 3 is in overlooking structure diagram when clamp position 1 for first clip claw assembly of the utility model embodiment 1；
Amplification, plan structure when Fig. 4 is in clamp position 1 for first clip claw assembly of the utility model embodiment 1 are shown
It is intended to；
Fig. 5 is in overlooking structure diagram when clamp position 2 for first clip claw assembly of the utility model embodiment 1；
Amplification, plan structure when Fig. 6 is in clamp position 2 for first clip claw assembly of the utility model embodiment 1 are shown
It is intended to；
Fig. 7 is in overlooking structure diagram when clamp position 3 for first clip claw assembly of the utility model embodiment 1；
Amplification, plan structure when Fig. 8 is in clamp position 3 for first clip claw assembly of the utility model embodiment 1 are shown
It is intended to；
Fig. 9 is 2 structural representation Fig. 1 of the utility model embodiment；
Figure 10 is the enlarged structure schematic diagram 1 of the second clip claw assembly clamping section of the utility model embodiment 2；
Figure 11 is 2 structural representation Fig. 2 of the utility model embodiment；
Figure 12 is the enlarged structure schematic diagram 2 of the second clip claw assembly clamping section of the utility model embodiment 2；
Figure 13 is in overlooking structure diagram when clamp position 1 for second clip claw assembly of the utility model embodiment 2；
Amplification, plan structure when Figure 14 is in clamp position 1 for second clip claw assembly of the utility model embodiment 2 are shown
It is intended to；
Figure 15 is in overlooking structure diagram when clamp position 2 for second clip claw assembly of the utility model embodiment 2；
Amplification, plan structure when Figure 16 is in clamp position 2 for second clip claw assembly of the utility model embodiment 2 are shown
It is intended to；
Figure 17 is in overlooking structure diagram when clamp position 3 for second clip claw assembly of the utility model embodiment 2；
Amplification, plan structure when Figure 18 is in clamp position 3 for second clip claw assembly of the utility model embodiment 2 are shown
It is intended to；
Figure 19 is the schematic cross-sectional view of the utility model embodiment 3；
Figure 20 is the structural schematic diagram of 3 protheca of the utility model embodiment；
Figure 21 is the structural schematic diagram of 3 nut sleeve of the utility model embodiment；
Figure 22 is the half section structure diagram of the utility model embodiment 3.
Symbol description in figure:
1. the first clamping jaw；2. the second clamping jaw；3. screwing section；4. clamp segment；5. clamping part；6. third clamping jaw；7. the 4th folder
Pawl；8. third screws section；9. third clamp segment；10. the 4th clamp segment；11. strip recess portion；12. partes glabra；13. holding tightly
Portion；14. arc-shaped depression portion；15. detent projection；16. protheca；17. rear enclosure；18. the first drill body；19. the first support level；20. the
One gasket；21. bearing；22. screw；23. nut sleeve；24. the 4th screws section；25. front cover；26. housing；27. the second drill body；
28. the second gasket；29. band teeth nut；30. conical gear；31. the second support level；32. drilling tool；33. driving claw；34. lacking
Mouthful；35. drive hole；36. key；37. limited step.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawings.
Embodiment 1:
As depicted in figs. 1 and 2, the present embodiment is the first clip claw assembly, and the first clip claw assembly is equipped with the first clamping jaw 1 and second
Clamping jaw 2, the first clamping jaw 1 are identical with 2 structure of the second clamping jaw.Under working condition, the first clamping jaw 1 is oppositely arranged with the first clamping jaw 2,
It is in " eight " shape；First clamping jaw 1 and the second clamping jaw 2 are equipped with and screw section 3, screw and are equipped with screw thread on the outside of section 3；It screws in section 3
Side is equipped with clamp segment 4；It screws section 3 to be fixedly connected with clamp segment 4, screwing section 3 and clamp segment 4 can weld, can also be integrated
Molding；Clamping part 5 is equipped on the inside of clamp segment 4.
Its circumferencial direction of lateral edge is equipped with several grooves in clamping part 5, and is in internal gear on the inside of the radial cutting plane of clamping part 5
Shape；
Compared with traditional three-pawl type clip claw assembly, first clip claw assembly of the present embodiment passes through the first clamping jaw 1 and first
Clamping jaw 2 clamps drilling tool 32, more saving material and processing cost.
As shown in Figure 3 and Figure 4, when the first clamping jaw 1 and the second clamping jaw 2 are in clamp position 1, drilling tool 32 and two clamping parts
5 are respectively formed two lines contact；
As shown in Figure 5 and Figure 6, when the first clamping jaw 1 and the second clamping jaw 2 are in clamp position 2, drilling tool 32 and two clamping parts
5 are respectively formed at least two lines contact；
As shown in Figure 7 and Figure 8, when the first clamping jaw 1 and the second clamping jaw 2 are in clamp position 3, drilling tool 32 and two clamping parts
5 are respectively formed two lines contact；
As can be seen that can guarantee two clamping parts 5 and at least shape of drilling tool 32 when two clamping parts 5 and drilling tool 32 clamp
It is contacted at four lines, compared to the clamping jaw that inner peripheral surface is arc-shaped or other shapes, clamping range is wide, and clamping effect is good.
Embodiment 2:
As shown in figures 9 and 11, the present embodiment is the second clip claw assembly, and the second clip claw assembly is equipped with third clamping jaw 6 and the
Four clamping jaws 7；Under working condition, third clamping jaw 6 is oppositely arranged with the 4th clamping jaw 7, is in " eight " shape.
As shown in Figure 9 and Figure 10, third clamping jaw 6 is equipped with third and screws section 8, and third, which screws, is equipped with screw thread on the outside of section 8；The
Three screw 8 upper end of section equipped with third clamp segment 9, and third screws section 8 and is fixedly connected with third clamp segment 9；9 inside of third clamp segment
It is equipped with third clamping part；Arc-shaped depression portion 14 is equipped at third clamping part medial center；14 two sides of arc-shaped depression portion are equipped with symmetrical
Detent projection 15.
As is illustrated by figs. 11 and 12, the 4th clamping jaw 7 is equipped with the 4th and screws section 24, and the 4th, which screws section 24, screws section 8 with third
Structure is identical, and outside is equipped with screw thread；4th screws 24 upper end of section equipped with the 4th clamp segment 10；4th screws section 24 and the 4th
Clamp segment 10 is fixedly connected；It is equipped with the 4th clamping part on the inside of 4th clamp segment 10, is equipped with strip at the 4th clamping part medial center
Shape recess portion 11, strip recess portion 11 is in a rectangular parallelepiped shape；Its side wall and bottom wall are perpendicular；11 two sides of strip recess portion are equipped with partes glabra
12, partes glabra 12 and the side wall of strip recess portion 11 are perpendicular；12 two sides of partes glabra are equipped with holding portion 13.
As shown in Figure 13 and Figure 14, when third clamping jaw 6 and the 4th clamping jaw 7 are in clamp position 1, drilling tool 32 and third are clamped
The detent projection 15 in portion forms two lines contact, forms two lines with the holding portion 13 of the 4th clamping part and contacts；
As shown in Figure 15 and Figure 16, when third clamping jaw 6 and the 4th clamping jaw 7 are in clamp position 2, drilling tool 32 and third are clamped
The detent projection 15 in portion forms two lines contact, forms two lines with the strip recess portion 11 of the 4th clamping part and contacts；
As shown in Figure 17 and Figure 18, when third clamping jaw 6 and the 4th clamping jaw 7 are in clamp position 3, drilling tool and third clamping part
The contact into a line of 14 shape of arc-shaped depression portion, form two lines with the strip recess portion 11 of the 4th clamping part and contact；
As can be seen that at least forming 3 with drilling tool 32 when the second clip claw assembly clamps different size of drilling tool 32
Line contact, one side clamping range is wide, another aspect good clamping effect.
Embodiment 3:
As shown in figure 19, the present embodiment is a kind of drill chuck, is equipped with protheca 16 and rear enclosure 17；Protheca 16 is located at rear enclosure 17
Top；The first drill body 18 is equipped in protheca 16 and rear enclosure 17,18 lower end of the first drill body is fixedly connected with rear enclosure 17；First drill body 18
Upper end interference is connected with front cover 25；Its circumferencial direction of lateral edge is equipped with limited step 37 in 16 upper end of protheca, and limited step 37 is with before
Lid 25 matches, and protheca 16 is avoided to deviate from from 18 upper end of the first drill body；First drill body, 18 side wall is set there are two symmetrical clamping jaw
Hole；Clip claw assembly is equipped in clamping jaw hole, clip claw assembly passes through clamping jaw hole and enters the first drill body 18 by the outside of the first drill body 18
Inside；Wherein, clip claw assembly can be the first clip claw assembly in embodiment 1, or the second clamping jaw in embodiment 2
Component.
The first support level 19 is equipped in the middle part of first drill body 18,19 upper end of the first support level is equipped with the first gasket 20, the
One gasket 20 is sheathed on the outer circumference surface of the first drill body 18, and with 18 clearance fit of the first drill body；First gasket, 20 upper end is equipped with
Bearing 21；Bearing 21 is sheathed on the outer circumference surface of the first drill body 18, and with 18 clearance fit of the first drill body；21 upper end of bearing is set
There is screw 22, screw 22 is two valves；Screw 22 is fixedly connected with nut sleeve 23, and nut sleeve 23 is connected with protheca 16；Wherein, silk
Mother 22 with nut sleeve 23 be sheathed on the first drill body 18 outer circumference surface and with 18 clearance fit of the first drill body；It is set on the inside of screw 22
Have and screws the screw thread that section 8 matches with the third in section 3 or embodiment 2 that screws in embodiment 1.
Wherein, bearing 21 is assembled between the first gasket 20 and screw 22, screw 22 and the can be reduced by rolling friction
Force of sliding friction between one gasket 20 improves torque input, reduces torque loss.
When drill chuck fixes drilling tool, fixed rear enclosure 17 rotates protheca 16, and protheca 16 drives nut sleeve 23 to rotate, silk
Mother set 23 drives screw 22 to rotate；When the first clip claw assembly of itself and embodiment 1 matches, the screw thread of the inside of screw 22 with
First clamping jaw 1 and the second clamping jaw 2 match, and move up the first clip claw assembly by screw-driven, the first clamping jaw 1 and second
Movement clamps drilling tool 32 to clamping jaw 2 simultaneously.
When the second clip claw assembly of itself and embodiment 2 matches, the screw thread and third clamping jaw 6 of the inside of screw 22 and the
Four clamping jaws 7 match, and move up the second clip claw assembly by screw-driven, and third clamping jaw 6 and the 4th clamping jaw 7 are mobile simultaneously
Drilling tool 32 is clamped.
18 rear end of the first drill body of drill chuck is connected by screw thread, taper hole or the equipment such as other connection types and electric tool
It connects, the equipment such as electric tool will drive drilling tool work by the connection with drill chuck in power transmission to drill chuck.
As shown in figs 20 and 21, in the present embodiment, 16 inner top side of protheca is uniformly provided with multiple driving claws 33, driving claw 33
In a rectangular parallelepiped shape, lower end is equipped with notch 34 close to the side of 16 inner wall of protheca；Nut sleeve 23 is equipped with and matches with driving claw 33
Drive hole 35, the driving claw 33 inside protheca 16 is inserted into the drive hole 35 of nut sleeve 23, make nut sleeve 23 and protheca 16 at
It is integrated, nut sleeve 23 is rotated together with protheca 16, avoids nut sleeve 23 during rotation and protheca 16 is generated and slided relatively
It is dynamic.
Embodiment 4:
The utility model is equipped with housing 26, and 26 upper end of housing is fixed with conical gear 30；Housing 26 and conical gear 30
Inside it is equipped with the second drill body 27；Second drill body, 27 lower end and 26 lower gap of housing cooperate, and conical gear 30 is run through in the upper end, and with
30 clearance fit of conical gear；Second drill body, 27 side wall is set there are two symmetrical clamping jaw hole；Clip claw assembly, folder are equipped in clamping jaw hole
Claw assembly passes through the inside that clamping jaw hole is entered the second drill body 27 by the outside of the second drill body 27；Wherein, clip claw assembly can be real
Apply the first clip claw assembly in example 1, or the second clip claw assembly in embodiment 2.
The second support level 31 is equipped in the middle part of second drill body 27；Second support level, 31 upper end is equipped with the second gasket 28；The
Two gaskets, 28 upper end is equipped with band teeth nut 29；Band teeth nut 29 is fixedly connected with housing 26.It is equipped with and reality on the inside of band teeth nut 29
The third screwed in section 3 or embodiment 2 applied in example 1 screws the screw thread that section 8 matches.
When drill chuck fixes drilling tool, conical gear 30 is rotated with key 36, conical gear 30 drives housing 26 and with tooth spiral shell
Mother 29 rotates together, and band teeth nut 29 is matched with the first clip claw assembly or the second clip claw assembly, so that the first clip claw assembly
Or second clip claw assembly clamp drilling tool.
Only as described above, only specific embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the utility model patent protection scope,
It should still belong to the scope that the utility model claims book is covered.
Claims (7)
1. a kind of clip claw assembly is equipped with the first clamping jaw, it is characterized in that it is additionally provided with the second clamping jaw, first clamping jaw and the second folder
Pawl, which is equipped with, screws section, and described screw is equipped with screw thread on the outside of section；Described screw is equipped with clamp segment above section；It is described screw section with
The clamp segment is fixedly connected；The first clamping part, the clamping of second clamping jaw are equipped on the inside of the clamp segment of first clamping jaw
Section inside is equipped with the second clamping part matched with the first clamping part.
2. clip claw assembly according to claim 1, it is characterised in that first clamping part and the second clamping part structure phase
Together；Its circumferencial direction of lateral edge is equipped with several grooves in first clamping part, and is on the inside of the radial cutting plane of the first clamping part
Internal tooth colyliform.
3. clip claw assembly according to claim 1, it is characterised in that be equipped with arc at the first clamping part medial center
Recess portion；The arc-shaped depression portion two sides are equipped with symmetrical detent projection；It is recessed that strip is equipped at the second clamping part medial center
Portion, the strip recess portion is in a rectangular parallelepiped shape；Its side wall and bottom wall are perpendicular；Strip recess portion two sides are equipped with partes glabra,
The side wall of the partes glabra and the strip recess portion is perpendicular；The partes glabra two sides are equipped with holding portion.
4. a kind of drill chuck, it is characterised in that the drill chuck is equipped with the described in any item clip claw assemblies of claim 1-3；Also set
There are protheca and rear enclosure；The protheca is located above the rear enclosure；The first drill body is equipped in the protheca and rear enclosure；Described first bores
Body lower end is fixedly connected with rear enclosure；First drill body upper end interference is connected with front cover；Along its circumference on the inside of the preceding set upper side
Direction is equipped with limited step；The first drill body side wall is set there are two symmetrical clamping jaw hole；The clip claw assembly is located at the folder
In pawl hole；
The first support level is equipped in the middle part of first drill body, the first support level upper end is equipped with the first gasket, first pad
Piece is sheathed on the outer circumference surface of the first drill body, and with the first drill body clearance fit；First gasket upper end is equipped with screw, described
Screw is fixedly connected with nut sleeve, and the nut sleeve is connected with protheca；The screw and nut sleeve are sheathed on the first drill body
Outer circumference surface and with the first drill body clearance fit；Screw thread is equipped on the inside of the screw.
5. drill chuck according to claim 4, it is characterised in that bearing is equipped between first gasket and screw, it is described
Bearing holder (housing, cover) be set to the first drill body outer circumference surface and with the first drill body clearance fit.
6. drill chuck according to claim 4, it is characterised in that the protheca inner top side is uniformly provided with multiple driving claws,
In a rectangular parallelepiped shape, lower end is equipped with notch close to the side of protheca inner wall to the driving claw；The nut sleeve is equipped with and driving claw
The drive hole matched.
7. a kind of drill chuck, it is characterised in that the drill chuck is equipped with the described in any item clip claw assemblies of claim 1-3；Also set
There is housing, the outer set upper side is fixed with conical gear；The second drill body is equipped in the housing and conical gear；Second drill body
Lower end and housing lower gap cooperate, and conical gear is run through in second drill body upper end, and with conical gear clearance fit；Second
Drill body side wall is set there are two symmetrical clamping jaw hole；Clip claw assembly is located in clamping jaw hole；
The second support level is equipped in the middle part of second drill body；Second support level upper end is equipped with the second gasket；Second gasket upper end is set
There is band teeth nut；The band teeth nut is fixedly connected with housing, and screw thread is equipped on the inside of the band teeth nut.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778305.9U CN208495830U (en) | 2018-05-23 | 2018-05-23 | A kind of clip claw assembly and drill chuck |
| PCT/CN2019/087717 WO2019223670A1 (en) | 2018-05-23 | 2019-05-21 | Gripper assembly and drill chuck |
| US17/044,294 US11400526B2 (en) | 2018-05-23 | 2019-05-21 | Clamping jaw assembly and drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778305.9U CN208495830U (en) | 2018-05-23 | 2018-05-23 | A kind of clip claw assembly and drill chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208495830U true CN208495830U (en) | 2019-02-15 |
Family
ID=65293163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820778305.9U Active CN208495830U (en) | 2018-05-23 | 2018-05-23 | A kind of clip claw assembly and drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208495830U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526503A (en) * | 2018-05-23 | 2018-09-14 | 山东威达机械股份有限公司 | A kind of clip claw assembly and drill chuck |
| CN110144436A (en) * | 2019-06-11 | 2019-08-20 | 山东威达机械股份有限公司 | The laser-quenching method of clamping jaw |
| WO2019223670A1 (en) * | 2018-05-23 | 2019-11-28 | 山东威达机械股份有限公司 | Gripper assembly and drill chuck |
| US11511402B2 (en) | 2019-03-26 | 2022-11-29 | Black & Decker Inc. | Screwdriver and tool holder |
-
2018
- 2018-05-23 CN CN201820778305.9U patent/CN208495830U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526503A (en) * | 2018-05-23 | 2018-09-14 | 山东威达机械股份有限公司 | A kind of clip claw assembly and drill chuck |
| WO2019223670A1 (en) * | 2018-05-23 | 2019-11-28 | 山东威达机械股份有限公司 | Gripper assembly and drill chuck |
| CN108526503B (en) * | 2018-05-23 | 2024-02-23 | 山东威达机械股份有限公司 | Clamping jaw assembly and drill chuck |
| US11511402B2 (en) | 2019-03-26 | 2022-11-29 | Black & Decker Inc. | Screwdriver and tool holder |
| CN110144436A (en) * | 2019-06-11 | 2019-08-20 | 山东威达机械股份有限公司 | The laser-quenching method of clamping jaw |
| CN110144436B (en) * | 2019-06-11 | 2022-03-01 | 山东威达机械股份有限公司 | Laser quenching method of clamping jaw |
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