CN209902321U - Quick-change chuck - Google Patents
Quick-change chuck Download PDFInfo
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- CN209902321U CN209902321U CN201920620331.3U CN201920620331U CN209902321U CN 209902321 U CN209902321 U CN 209902321U CN 201920620331 U CN201920620331 U CN 201920620331U CN 209902321 U CN209902321 U CN 209902321U
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- chuck
- handle
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- handle part
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Abstract
A quick-change chuck comprises a threaded sleeve and a chuck main body which are coaxially arranged, wherein the chuck main body comprises a handle part and a chuck end part connected with the handle part in a fixed mode, the chuck end part comprises a chuck solid structure and a chuck hollow structure, the threaded sleeve comprises a telescopic part and a threaded part, a circular groove is formed in the telescopic part, a limiting steel ball is arranged in the circular groove, the telescopic part is hidden in the chuck hollow structure in a limiting state, the threaded sleeve is connected to the peripheral part of the handle part in an elastic mode in a detachable mode, the handle part comprises an extension rod and a connecting handle which are integrally formed, the inside of the handle part below the position where the threaded sleeve is connected is of a solid structure, but the handle part at the upper end is of a hollow structure, the chuck solid structure is connected with the handle part at the upper end in a fixed mode, and the handle part at the, the limiting strip structure can contain the limiting steel balls to move up and down.
Description
Technical Field
The utility model relates to a mounting and dismounting tool field especially relates to a quick change chuck that is used for centre gripping or connects batch head or fluted drill.
Background
The condition of wearing and tearing appears easily in fluted drill or batch head at the actual processing in-process, especially handle portion structure is because the atress is great, the cracked condition appears easily, has reduced work efficiency and has also caused the improvement of labour cost to at the in-process of changing the drill bit, can consume a large amount of time, the quick change chuck that appears on the existing market mostly can only fix but stability is relatively poor, the drill bit is when the inside work that carries out of quick change chuck, the condition that rocks appears easily, influences work efficiency.
The above problems are therefore the ones that need to be solved by the skilled person during the design and use of quick-change chucks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the technical problem who exists among the prior art, provide a simple structure, easy operation and the quick change chuck that the instrument head is difficult to break away from, concrete technical scheme is as follows:
the utility model provides a quick-change chuck, which comprises a threaded sleeve and a chuck main body which are coaxially arranged, wherein the chuck main body comprises a handle part and a chuck end part which is connected with the handle part in a fixed mode, the chuck end part comprises a chuck solid structure and a chuck hollow structure, the threaded sleeve comprises an expansion part and a threaded part, a circular groove is arranged on the expansion part, a limiting steel ball is arranged in the circular groove, the expansion part is hidden in the chuck hollow structure in a limiting state, the threaded sleeve is connected at the peripheral part of the handle part in an elastic mode in a detachable mode, the handle part comprises an extension rod and a connecting handle which are integrally formed, the inner part below the position where the handle part is connected with the threaded sleeve is a solid structure, but the handle part at the upper end is a hollow structure, the chuck solid structure is connected with the handle part at the upper end in a fixed mode, and a limiting, the limiting strip structure can contain the limiting steel balls to move up and down.
The utility model discloses a further improvement lies in: the connecting handle is a hexagonal handle, and the middle part of the hexagonal handle is provided with a circle of dismounting groove for connecting a grab handle or other tools.
The utility model discloses a further improvement lies in: the thread part comprises two thread surfaces and a groove structure with grains in the middle.
The utility model discloses a further improvement lies in: the diameter of the connecting handle is smaller than that of the extension rod, and a limiting platform surface is arranged at the joint.
The utility model discloses a further improvement lies in: the end part of the chuck solid structure is in a ring shape, a magnetic device is arranged at the end part of the chuck solid structure, and a top-withdrawing section with gradually reduced outer diameter is arranged at the upper end of the end part of the chuck.
The utility model discloses a further improvement lies in: the inside hollow structure and being regular hexagon structure of upper end stalk portion, upper end stalk portion tip is the annular shape.
The utility model discloses a further improvement lies in: the screw thread portion is in an inverted T shape, the elastic connection mode is that the upper portion of the limiting steel ball is arranged on the inner side of the telescopic portion in a clamped mode, the lower portion of the circular convex ring is connected with a limiting spring, the lower portion of the limiting spring is connected with a spring clamping seat, and the lower portion of the spring clamping seat is clamped with a limiting ring structure.
The utility model discloses a further improvement lies in: the limiting ring is in a ring shape with a notch, and the shape of the limiting ring is C-shaped.
The utility model discloses a further improvement lies in: the diameter of the end part of the chuck is the same as that of the threaded sleeve, and a spacing structure is arranged between the chuck and the threaded sleeve.
The utility model discloses a further improvement lies in: and a V-shaped groove structure is formed between the groove surfaces of the regular hexagon of the upper handle part, and the limiting strip structure is arranged in the middle of the groove surfaces.
The utility model provides a pair of quick change chuck is in as needs put into the condition of the batch head or the drill bit that have the recess stalk portion in the regular hexagon hollow structure of upper end stalk portion, need will earlier screw thread portion down presses down, then treats batch head or drill bit get into behind the regular hexagon hollow structure, loosen again screw thread portion, this moment spacing steel ball blocks the recess stalk portion can realize spacing function, because spacing structure with there is the distance between the pars contractilis, so work as screw thread portion condition down, spacing steel ball with screw thread portion is down together, just with spacing structure appearance distance can hold recess stalk portion straight line gets into in the regular hexagon hollow structure.
The utility model has the advantages that: the quick-change chuck is used for fastening, disassembling and clamping a drill bit, realizes quick connection and quick disassembly, can quickly and stably connect the drill bit with the hexagonal handle, the screwdriver bit, the strong magnetic sleeve and the like, prolongs the service life, is easy to operate and has wide application prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the telescopic portion of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic view of the connection and cutting structure of the elastic connection of the present invention.
Description of the drawings: 1-a threaded sleeve, 2-a chuck body, 3-a handle part, 4-a chuck end part, 5-a chuck solid structure, 6-a chuck hollow structure, 7-a telescopic part, 8-a threaded part, 9-a spacing structure, 10-a threaded surface, 11-a groove structure, 12-a circular groove, 13-a limiting steel ball, 14-an extension rod and 15-a connecting handle, 16-limiting platform surface, 17-disassembling groove, 18-handle solid structure, 19-upper-end handle, 20-circular ring shape, 21-top-closing section, 22-limiting strip structure, 23-hollow structure, 24-regular hexagon structure, 25- 'V' -shaped groove structure, 26-circular convex ring, 27-limiting spring, 28-spring clamping seat and 29-limiting ring.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention.
The embodiment provides a quick-change chuck, which comprises a threaded sleeve 1 and a chuck main body 2 which are coaxially arranged, wherein the chuck main body 2 comprises a handle part 3 and a chuck end part 4 connected with the handle part 3 in a fixed manner, the chuck end part 4 comprises a chuck solid structure 5 and a chuck hollow structure 6, the threaded sleeve 1 comprises a telescopic part 7 and a threaded part 8, the diameter of the chuck end part 4 is the same as that of the threaded sleeve 1, a spacing structure 9 is arranged between the chuck end part and the threaded part, the threaded part 8 comprises two threaded surfaces 10 and a groove structure 11 with grains in the middle, a circular groove 12 is arranged on the telescopic part 7, a limiting steel ball 13 is arranged in the circular groove 12, the telescopic part 7 is hidden in the chuck hollow structure 6 in a limiting state, the threaded sleeve 1 is connected to the outer peripheral part of the handle part 3 in a detachable manner, the handle part 3 comprises an integrally formed extension rod 14 and a connecting handle 15, the diameter of the connecting handle 15 is smaller than that of the extension rod 14, a limit platform surface 16 is arranged at the joint to prevent a clamping tool from excessively entering, the connecting handle 15 is a hexagonal handle, a circle of dismounting groove 17 is arranged in the middle of the hexagonal handle to be used for connecting a grab handle or other tools, a handle part solid structure 18 is arranged below the position where the handle part 3 is connected with the thread bushing 1, but an upper end handle part 19 is a hollow structure, the chuck solid structure 5 is connected with the upper end handle part 19 in a fixed mode, the end part of the chuck solid structure 5 is in a ring shape 20, a magnetic device is arranged at the end part, a top withdrawing section 21 with a gradually reduced outer diameter is arranged at the upper end of the chuck end part 4, a limit strip structure 22 is arranged on the upper end handle part 19, and the limit strip structure 22 can accommodate the limit steel ball 13 to move, the inside hollow structure 23 that just is regular hexagon structure 24 that is of upper end stalk portion 19, just form "V" type groove structure 25 between regular hexagon's the cell surface, spacing structure 22 sets up in the middle of the cell surface, upper end stalk portion 19 tip is the annular shape.
The thread part 8 is in an inverted T shape, the elastic connection is that a circular convex ring 26 is clamped on the inner side of the telescopic part 7 above the limiting steel ball 13, a limiting spring 27 is connected below the circular convex ring 26, a spring clamping seat 28 is connected below the limiting spring 27, a limiting ring 29 structure is clamped below the spring clamping seat 28, and the limiting ring 29 is in a notched annular shape and is in a C-shaped shape.
The utility model provides a pair of quick change chuck is in as needs put into the condition of the batch head or the drill bit that have the recess stalk portion in the regular hexagon hollow structure 23 of upper end stalk portion 18, need earlier with screw thread portion 8 is pressed down, then treats batch head or drill bit get into behind the regular hexagon hollow structure 23, loosen again screw thread portion 8, this moment spacing steel ball 13 blocks the recess stalk portion can realize spacing function, because spacing structure 22 with there is the distance between the pars contractilis 7, so works as screw thread portion 8 down condition, spacing steel ball 13 with screw thread portion 8 down together, just with spacing structure 22 the distance appears, can hold recess stalk portion straight line gets into in the regular hexagon hollow structure 23.
The utility model has the advantages that: the quick-change chuck is used for fastening, disassembling and clamping a drill bit, realizes quick connection and quick disassembly, can quickly and stably connect the drill bit with the hexagonal handle, the screwdriver bit, the strong magnetic sleeve and the like, prolongs the service life, is easy to operate and has wide application prospect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
Claims (10)
1. A quick-change chuck is characterized in that: comprises a thread sleeve and a chuck body which are coaxially arranged, wherein the chuck body comprises a handle part and a chuck end part which is fixedly connected with the handle part, the end part of the chuck comprises a chuck solid structure and a chuck hollow structure, the thread sleeve comprises a telescopic part and a thread part, the telescopic part is provided with a circular groove, a limit steel ball is arranged in the circular groove, and in a limit state, the telescopic part is hidden in the hollow structure of the chuck, the thread bush is connected with the outer periphery of the handle part in a detachable elastic mode, the handle part comprises an integrally formed extension rod and a connecting handle, the inner part below the connecting position of the handle part and the threaded sleeve is of a solid structure, but the upper end handle part is a hollow structure, the solid structure of the chuck is fixedly connected with the upper end handle part, the upper end handle is provided with a limiting strip structure, and the limiting strip structure can contain the limiting steel balls to move up and down.
2. A quick-change chuck according to claim 1, wherein: the connecting handle is a hexagonal handle, and the middle part of the hexagonal handle is provided with a circle of dismounting groove for connecting a grab handle or other tools.
3. A quick-change chuck according to claim 1, wherein: the thread part comprises two thread surfaces and a groove structure with grains in the middle.
4. A quick-change chuck according to claim 1, wherein: the diameter of the connecting handle is smaller than that of the extension rod, and a limiting platform surface is arranged at the joint.
5. A quick-change chuck according to claim 1, wherein: the end part of the chuck solid structure is in a ring shape, a magnetic device is arranged at the end part of the chuck solid structure, and a top-withdrawing section with gradually reduced outer diameter is arranged at the upper end of the end part of the chuck.
6. A quick-change chuck according to claim 1, wherein: the inside hollow structure and being regular hexagon structure of upper end stalk portion, upper end stalk portion tip is the annular shape.
7. A quick-change chuck according to claim 1, wherein: the screw thread portion is in an inverted T shape, the elastic connection mode is that the upper portion of the limiting steel ball is arranged on the inner side of the telescopic portion in a clamped mode, the lower portion of the circular convex ring is connected with a limiting spring, the lower portion of the limiting spring is connected with a spring clamping seat, and the lower portion of the spring clamping seat is clamped with a limiting ring structure.
8. The quick-change chuck according to claim 7, wherein: the limiting ring is in a ring shape with a notch, and the shape of the limiting ring is C-shaped.
9. A quick-change chuck according to claim 1, wherein: the diameter of the end part of the chuck is the same as that of the threaded sleeve, and a spacing structure is arranged between the chuck and the threaded sleeve.
10. The quick-change chuck according to claim 6, wherein: and a V-shaped groove structure is formed between the groove surfaces of the regular hexagon of the upper handle part, and the limiting strip structure is arranged in the middle of the groove surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620331.3U CN209902321U (en) | 2019-05-01 | 2019-05-01 | Quick-change chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620331.3U CN209902321U (en) | 2019-05-01 | 2019-05-01 | Quick-change chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209902321U true CN209902321U (en) | 2020-01-07 |
Family
ID=69046609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920620331.3U Active CN209902321U (en) | 2019-05-01 | 2019-05-01 | Quick-change chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209902321U (en) |
-
2019
- 2019-05-01 CN CN201920620331.3U patent/CN209902321U/en active Active
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