CN210132100U - Positioning mechanism of drill chuck - Google Patents
Positioning mechanism of drill chuck Download PDFInfo
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- CN210132100U CN210132100U CN201920620318.8U CN201920620318U CN210132100U CN 210132100 U CN210132100 U CN 210132100U CN 201920620318 U CN201920620318 U CN 201920620318U CN 210132100 U CN210132100 U CN 210132100U
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- wall
- connecting rod
- spiral shell
- positioning mechanism
- edge connecting
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Abstract
The utility model discloses a positioning mechanism of drill chuck, including chuck body and many arriss connecting rod, chuck body bottom is equipped with fixed screw, many arriss connecting rod top is equipped with the spiral shell head, and many arriss connecting rod lateral wall is close to spiral shell head bottom position department and is equipped with the bulge loop, spiral shell head and fixed screw inner wall spiro union, spiral shell head top outer wall is opened there is the conical channel, spiral shell head lateral wall top outer wall is opened and is had the equidistance to be the hinge slot that the annular distributes, and hinge slot inner wall one end articulates there is the fixture block, the fastening screw that has vertical direction to extend is opened to conical channel inner wall bottom, and fastening screw inner wall spiro union has fastening bolt, and the fastening bolt top is equipped with the conical cap. The utility model discloses the fastening bolt that the cooperation set up combines the toper cap, conveniently drives the outside rotatory expansion of fixture block, and convenient and fixed screw inner wall butt is favorable to locking the swivel nut for many arriss connecting rod and this body coupling of chuck fasten more, reduce not hard up possibility.
Description
Technical Field
The utility model relates to a drill chuck technical field especially relates to a positioning mechanism of drill chuck.
Background
The drill chuck consists of a drill clamping sleeve, an elastic shifting ring, a connecting block and a rear cover. The drill chuck is mainly used for household direct current and alternating current electric drills. The locking device has the greatest advantage that the locking device is easy to lock, and can be used only by holding the front sleeve and the rear sleeve of the chuck and screwing. Electric drills suitable for use are also different according to the different internal structures of the drill chuck. The chuck is generally provided with a multi-edge connecting rod.
The existing chuck and the multi-edge rod are not firmly connected, are easy to loosen and are inconvenient to disassemble and assemble, so that the positioning mechanism of the drill chuck is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a positioning mechanism of a drill chuck.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a positioning mechanism of drill chuck, includes chuck body and many arriss connecting rod, chuck body bottom is equipped with fixed screw, many arriss connecting rod top is equipped with the spiral shell head, and many arriss connecting rod lateral wall is close to spiral shell head bottom position department and is equipped with the bulge loop, spiral shell head and fixed screw inner wall spiro union, spiral shell head top outer wall is opened there is the bell jar, spiral shell head lateral wall top outer wall is opened and is had the equidistance and be the hinge groove that the annular distributes, and hinge groove inner wall one end articulates there is the fixture block, the fastening screw that has vertical direction to extend is opened to conical groove inner wall bottom, and fastening screw inner wall spiro union has fastening bolt, and the fastening bolt top is equipped with the taper.
Preferably, the side wall of the multi-edge connecting rod is provided with a locking screw hole communicated with the fastening screw hole, and the inner wall of the locking screw hole is in threaded connection with a hexagonal bolt.
Preferably, the multi-edge connecting rod is preferably a six-edge connecting rod, and an annular clamping groove is formed in the bottom end of the side wall of the multi-edge connecting rod.
Preferably, the top end of the conical cap is provided with an inner hexagonal groove.
Preferably, the multi-edge connecting rod is made of 40Cr steel, and the surface of the multi-edge connecting rod is subjected to sand blasting treatment.
The utility model has the advantages that:
1. through the fixture block that sets up, the fastening bolt that the cooperation set up combines the toper cap, conveniently drives the fixture block and outwards rotates the expansion, and convenient and fixed screw inner wall butt is favorable to locking the swivel nut for many arriss connecting rod and this body coupling of chuck fasten more, reduce not hard up possibility.
2. Through the hexagonal cotter that sets up, can prevent that fastening bolt is not hard up, it is more firm reliable, easy operation, convenient dismantlement.
Drawings
Fig. 1 is a schematic structural view of a positioning mechanism of a drill chuck according to the present invention;
fig. 2 is a schematic structural view of a drill chuck according to the present invention, illustrating a positioning mechanism for removing a chuck body;
fig. 3 is a schematic view of a partial cross-sectional structure of a positioning mechanism of a drill chuck of the present invention except for a chuck body.
In the figure: the clamping head comprises a clamping head body 1, a convex ring 2, a hexagonal pin 3, a locking screw hole 4, a multi-edge connecting rod 5, an annular clamping groove 6, a conical cap 7, a fastening bolt 8, a clamping block 9, a hinge groove 10, a screw head 11, a conical groove 12 and a fastening screw hole 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a positioning mechanism for a drill chuck comprises a chuck body 1 and a multi-edge connecting rod 5, wherein a fixed screw hole is formed in the bottom end of the chuck body 1, a screw head 11 is arranged at the top end of the multi-edge connecting rod 5, a convex ring 2 is arranged on the side wall of the multi-edge connecting rod 5 close to the bottom end of the screw head 11, the screw head 11 is in threaded connection with the inner wall of the fixed screw hole, a conical groove 12 is formed in the outer wall of the top end of the screw head 11, hinge grooves 10 are formed in the outer wall of the top end of the side wall of the screw head 11 and are distributed annularly at equal intervals, a clamping block 9 is hinged to one end of the inner wall of each hinge groove 10, a fastening screw hole 13 extending in the vertical direction is formed in.
The utility model discloses in, 5 lateral walls of many arriss connecting rod open have the locking screw 4 of intercommunication fastening screw 13, and 4 inner wall spiro unions of locking screw have hexagonal cotter 3, and 5 preferred six stupefied connecting rods of many arriss connecting rod, and 5 lateral wall bottom position departments of many arriss connecting rod open and have annular groove 6, and 7 tops of toper cap are equipped with interior hexagonal groove, and 5 preferred 40Cr steel of many arriss connecting rod make, and 5 surface sand blasting of many arriss connecting rod.
The working principle is as follows: during the use, with spiral shell head 11 and fixed screw inner wall spiro union, then through revolving spiral cone cap 7 soon for in conical cap 7 card goes into the bell jar 12, make fixture block 9 diffusion expand, make fixture block 9 fixed with fixed screw inner wall butt, avoid spiral shell head 11 not hard up, hexagonal cotter pin 3 can prevent that fastening bolt 8 is not hard up, and is more firm reliable, easy operation, convenient dismantlement.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A positioning mechanism of a drill chuck comprises a chuck body (1) and a multi-edge connecting rod (5), it is characterized in that the bottom end of the chuck body (1) is provided with a fixed screw hole, the top end of the multi-edge connecting rod (5) is provided with a screw head (11), and a convex ring (2) is arranged on the side wall of the multi-edge connecting rod (5) near the bottom end of the screw head (11), the screw head (11) is in threaded connection with the inner wall of the fixed screw hole, the outer wall of the top end of the screw head (11) is provided with a conical groove (12), the outer wall of the top end of the side wall of the screw head (11) is provided with hinge grooves (10) which are distributed in an annular shape at equal intervals, a clamping block (9) is hinged at one end of the inner wall of the hinged groove (10), a fastening screw hole (13) extending in the vertical direction is formed at the bottom end of the inner wall of the conical groove (12), and the inner wall of the fastening screw hole (13) is screwed with a fastening bolt (8), and the top end of the fastening bolt (8) is provided with a conical cap (7).
2. The positioning mechanism of the drill chuck according to claim 1, wherein the sidewall of the multi-edge connecting rod (5) is provided with a locking screw hole (4) communicated with the fastening screw hole (13), and the inner wall of the locking screw hole (4) is screwed with the hexagonal bolt (3).
3. The positioning mechanism of the drill chuck as claimed in claim 1, wherein the multi-edge connecting rod (5) is a hexagonal connecting rod, and the bottom end of the side wall of the multi-edge connecting rod (5) is provided with an annular clamping groove (6).
4. A positioning mechanism for a drill chuck according to claim 1, characterized in that the top end of the conical cap (7) is provided with an internal hexagonal groove.
5. The positioning mechanism of a drill chuck according to claim 1, characterized in that the multi-edge connecting rod (5) is made of 40Cr steel, and the surface of the multi-edge connecting rod (5) is sand-blasted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620318.8U CN210132100U (en) | 2019-05-01 | 2019-05-01 | Positioning mechanism of drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620318.8U CN210132100U (en) | 2019-05-01 | 2019-05-01 | Positioning mechanism of drill chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210132100U true CN210132100U (en) | 2020-03-10 |
Family
ID=69704114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920620318.8U Active CN210132100U (en) | 2019-05-01 | 2019-05-01 | Positioning mechanism of drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210132100U (en) |
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2019
- 2019-05-01 CN CN201920620318.8U patent/CN210132100U/en active Active
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