TWM618878U - Tool chuck - Google Patents

Abstract

The authoring tool chuck includes a shell, a clamping group and an ejector rod. The shell is provided with an opening. The clamping group is arranged in the shell. The clamping group includes a first clamping jaw and a second clamping jaw. A clamping jaw and a cushion block. One ends of the first clamping jaw and the second clamping jaw are adjacent to the opening. The cushion block is provided with a first surface and a second surface opposite to the first surface. The first surface abuts against the first clamp The claw and the second clamping claw are opposite to one end of the opening, the second surface is recessed with a positioning groove, the push rod is pivoted on the housing, one end of the push rod is rotatably inserted into the positioning groove, and the chuck passes through the structure Can be connected to other types of joint tools.

Description

Tool chuck

This creation mainly reveals a tool chuck, especially a tool chuck that can clamp a cylindrical joint.

Electric or pneumatic tools are equipped with a specific joint at the end of the drive shaft to drive the drive head of the corresponding type of joint. For example, one end of the electric screwdriver drive shaft is provided with a hexagonal hole, which can be connected to a hexagonal cylindrical screwdriver. However, if you want to connect a sleeve or other tools with an electric screwdriver, you need to pass an adapter. Even so, a cylindrical drill bit is not easy to connect through an adapter.

In view of the lack of the above-mentioned conventional structure, the author designed a tool chuck which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the authoring tool chuck is to provide a chuck including a housing, a clamping group and an ejector rod. The housing is provided with an opening, the clamping group is arranged in the housing, and the The clamping set includes a first clamping jaw, a second clamping jaw and a cushion block. One end of the first clamping jaw and the second clamping jaw is adjacent to the opening. The cushion block is provided with a first surface and opposite to the opening. A second surface of the first surface, the first surface abuts against an end of the first clamping jaw and the second clamping jaw opposite to the opening, the second surface is recessed with a positioning groove, the push rod It is pivoted on the housing, one end of the push rod is rotatably inserted in the positioning groove, and the chuck can be connected to tools of other joint types through the above-mentioned structure.

The housing is provided with a sliding surface, the sliding surface is adjacent to the opening, the sliding surface is ring-shaped, and one end of the sliding surface adjacent to the opening forms a first The width of the sliding surface is far from the opening along the radial width of the push rod to form a second width, the first width is smaller than the second width, the first clamping jaw and the second clamping jaw are movably Lean against the sliding surface.

The housing includes a front cover and a back cover, the opening is arranged at one end of the front cover, the sliding surface is arranged in the front cover, the back cover is connected to the front cover at an end opposite to the opening, the The back cover is provided with a pivot hole, and the push rod is rotatably inserted into the pivot hole.

A first threaded part is arranged in the pivot hole, a second threaded part is arranged on the outer periphery of the push rod in the radial direction, and the second threaded part is screw-locked to the first threaded part.

The push rod is provided with a stabilizing part along the radial outer periphery, the stabilizing part is cylindrical, the stabilizing part is arranged on the side of the second threaded part opposite to the pad, and the stabilizing part is slidably arranged In the pivot hole, the stabilizing portion abuts against the inner periphery of the pivot hole in a surface contact manner.

The clamping set includes a third clamping jaw, a first elastic member, a second elastic member, and a third elastic member. One end of the third clamping jaw is adjacent to the opening, and the first surface abuts against the first Three clamping jaws are opposite to one end of the opening, the third clamping jaw movably abuts against the sliding surface, one end of the first elastic member abuts against the first clamping jaw and the other end against the second clamping jaw Clamping claw, one end of the second elastic member abuts against the second clamping claw and the other end abuts against the third clamping claw, one end of the third elastic member abuts against the first clamping claw and the other end abuts To the third jaw.

The inner periphery of the front cover is provided with a first connecting portion, the sliding surface is arranged between the opening and the first connecting portion, and the outer periphery of the rear cover is provided with a second connecting portion and a stop flange The first connecting portion is sleeved on the second connecting portion, and an end of the front cover opposite to the opening abuts against the stop flange.

The outer periphery of the back cover is provided with a groove, and an O-ring is arranged in the groove, and the O-ring abuts against the inner periphery of the front cover.

The positioning groove does not penetrate the cushion block, the first surface is a circular plane, and one end of the push rod opposite to the cushion block protrudes out of the housing and is provided with a driving part which is in the shape of a hexagonal column.

Other purposes, advantages and novelty of this creation will be more apparent from the following detailed description and related drawings.

Regarding the techniques, methods and effects used in this creation, a preferred embodiment is given below in conjunction with the drawings. This is for illustrative purposes only, and is not limited by this structure in the patent application.

Refer to Figures 1 to 5, which are a three-dimensional appearance view, a three-dimensional exploded view and a cross-sectional structure view of the authoring tool chuck. The creative chuck 10 includes a housing 20, a clamping group 30 and an ejector 40; among them:

The housing 20 is provided with an opening 21.

The clamping set 30 is disposed in the housing 20. The clamping set 30 includes a first clamping jaw 31, a second clamping jaw 32, and a spacer 33. The first clamping jaw 31 and the second clamping jaw 31 One end of the claw 32 is adjacent to the opening 21, the spacer 33 is provided with a first surface 331 and a second surface 332 opposite to the first surface 331, and the first surface 331 abuts against the first clamping claw 31 and The second clamping jaw 32 is opposite to one end of the opening 21, and the second surface 332 is recessed with a positioning groove 333.

The push rod 40 is pivoted to the housing 20, and one end of the push rod 40 is rotatably inserted into the positioning slot 333.

The housing 20 is provided with a sliding surface 22, the sliding surface 22 is adjacent to the opening 21, the sliding surface 22 is ring-shaped, and one end of the sliding surface 22 adjacent to the opening 21 runs along the push rod The radial width of 40 forms a first width W1, and the end of the sliding surface 22 away from the opening 21 forms a second width W2 along the radial width of the push rod 40, and the first width W1 is smaller than the second width. W2, the first clamping jaw 31 and the second clamping jaw 32 movably abut against the sliding surface 22.

The housing 20 includes a front cover 23 and a back cover 24, the opening 21 is provided at one end of the front cover 23, the sliding surface 22 is provided in the front cover 23, and the back cover 24 is connected to the front cover 23 is opposite to one end of the opening 21, the back cover 24 is provided with a pivot hole 241, and the push rod 40 is rotatably inserted into the pivot hole 241.

A first threaded portion 242 is provided in the pivot hole 241, and a second threaded portion 41 is provided on the outer periphery of the push rod 40 in the radial direction. The second threaded portion 41 is screw-locked to the first threaded portion 242. .

The push rod 40 is provided with a stabilizing portion 42 along the radial outer periphery. The stabilizing portion 42 is cylindrical. The stabilizing portion 42 is provided on the side of the second threaded portion 41 opposite to the spacer 33. The stabilizer The portion 42 is slidably disposed in the pivot hole 241, and the stabilizing portion 42 abuts against the inner periphery of the pivot hole 241 in a surface contact manner.

The clamping set 30 includes a third clamping jaw 34, a first elastic member 35, a second elastic member 36, and a third elastic member 37. One end of the third clamping jaw 34 is adjacent to the opening 21, and the first One surface 331 abuts against an end of the third clamping jaw 34 opposite to the opening 21, the third clamping jaw 34 movably abuts against the sliding surface 22, and one end of the first elastic member 35 abuts against the The first clamping jaw 31 and the other end abuts against the second clamping jaw 32, one end of the second elastic member 36 abuts against the second clamping jaw 32 and the other end against the third clamping jaw 34, the first One end of the three elastic members 37 abuts against the first clamping jaw 31 and the other end abuts against the third clamping jaw 34.

The inner periphery of the front cover 23 is provided with a first connecting portion 231, the sliding surface 22 is arranged between the opening 21 and the first connecting portion 231, and the outer periphery of the rear cover 24 is provided with a second connecting portion 243 and a stopping flange 244, the first connecting portion 231 is sleeved on the second connecting portion 243, and an end of the front cover 23 opposite to the opening 21 abuts against the stopping flange 244.

The outer periphery of the rear cover 24 is provided with a groove 245, and an O-ring 246 is arranged in the groove 245, and the O-ring 246 abuts against the inner periphery of the front cover 23.

The positioning groove 333 does not penetrate the cushion block 33. The first surface 331 is a circular plane. The driving part 43 has a hexagonal column shape.

The chuck 10 can be connected to tools of other types of joints through the above-mentioned structure, especially tools such as drills with cylindrical shanks. Utilizing the cooperation of the spacer 33 and the push rod 40, the push rod 40 can push the first clamping jaw 31, the second clamping jaw 32 and the third clamping jaw 34 by the spacer 33, and the positioning The groove 333 prevents the spacer 33 from being displaced, and at the same time ensures that the push rod 40 can rotate smoothly.

From the above, it can be concluded that this creation has the following advantages:

1. This creative tool chuck, wherein the chuck includes a shell, a clamping group and an ejector rod, the shell is provided with an opening, the clamping group is arranged in the shell, and the clamping group It includes a first clamping jaw, a second clamping jaw, and a cushion block. One end of the first clamping jaw and the second clamping jaw is adjacent to the opening. The cushion block is provided with a first surface and opposite to the first clamping jaw. A second surface of the surface, the first surface abuts against an end of the first clamping jaw and the second clamping jaw opposite to the opening, the second surface is recessed with a positioning groove, and the push rod is pivoted at One end of the casing and the push rod is rotatably inserted into the positioning groove, and the chuck can be connected to tools of other joint types through the above-mentioned structure.

However, the above is only the preferred embodiment of this creation, and when it cannot be used to limit the scope of implementation of this creation, so all numerical changes or replacement of equivalent components or equivalents made in accordance with the scope of the patent application for this creation are mentioned. Changes and modifications should still fall within the scope of this new patent.

10: Chuck 20: shell 21: opening 22: Sliding surface 23: front cover 231: first connection part 24: back cover 241: pivot hole 242: The first thread 243: second connection part 244: Stop flange 245: Groove 246: O-ring 30: Clamping group 31: First gripper 32: Second gripper 33: spacer 331: first side 332: The second side 333: positioning slot 34: Third gripper 35: The first elastic part 36: second elastic part 37: The third elastic part 40: push rod 41: The second threaded part 42: Stability Department 43: Drive W1: first width W2: second width

Figure 1: The three-dimensional appearance of this creative tool chuck. Figure 2: The three-dimensional exploded view of this creative tool chuck. Figure 3: A three-dimensional exploded view of this creative tool chuck from another perspective. Figure 4: The cross-sectional structure diagram of the chuck of this authoring tool. Figure 5: Another view of the cross-sectional structure of the creative tool chuck.

10: Adapter

20: shell

21: opening

23: front cover

24: back cover

244: Stop flange

31: First gripper

32: Second gripper

34: Third gripper

40: push rod

43: Drive

Claims (9)

A tool chuck, which includes: A shell, the shell is provided with an opening; A clamping group, the clamping group is arranged in the housing, the clamping group includes a first clamping jaw, a second clamping jaw and a cushion block, one end of the first clamping jaw and the second clamping jaw Adjacent to the opening, the cushion block is provided with a first surface and a second surface opposite to the first surface, the first surface abuts against an end of the first clamping jaw and the second clamping jaw opposite to the opening , The second surface is recessed with a positioning groove; A push rod is pivoted to the housing, and one end of the push rod is rotatably inserted in the positioning slot. The tool chuck according to claim 1, wherein a sliding surface is provided in the housing, the sliding surface is adjacent to the opening, the sliding surface is ring-shaped, and the sliding surface is adjacent to one end of the opening The radial width of the push rod forms a first width, and the end of the sliding surface away from the opening forms a second width along the radial width of the push rod. The first width is smaller than the second width, and the first width is smaller than the second width. A clamping jaw and the second clamping jaw movably abut the sliding surface. The tool chuck according to claim 2, wherein the housing includes a front cover and a back cover, the opening is disposed at one end of the front cover, the sliding surface is disposed in the front cover, and the back cover is connected to At an end of the front cover opposite to the opening, the back cover is provided with a pivot hole, and the push rod is rotatably inserted into the pivot hole. The tool chuck according to claim 3, wherein a first threaded portion is provided in the pivot hole, a second threaded portion is provided on the outer periphery of the push rod in the radial direction, and the second threaded portion is screw-locked于The first threaded part. The tool chuck according to claim 4, wherein a stabilizing portion is provided on the outer periphery of the ejector rod in the radial direction, the stabilizing portion is cylindrical, and the stabilizing portion is provided on the second threaded portion opposite to the spacer block On one side, the stabilizing portion is slidably disposed in the pivoting hole, and the stabilizing portion abuts against the inner periphery of the pivoting hole in a surface contact manner. The tool chuck according to claim 3, wherein the clamping set includes a third clamping jaw, a first elastic member, a second elastic member, and a third elastic member, and one end of the third clamping jaw is adjacent to For the opening, the first surface abuts against an end of the third clamping jaw opposite to the opening, the third clamping jaw movably abuts against the sliding surface, and one end of the first elastic member abuts against the first A clamping jaw and the other end abuts against the second clamping jaw, one end of the second elastic member abuts against the second clamping jaw and the other end against the third clamping jaw, one end of the third elastic member abuts Leans against the first clamping jaw and the other end against the third jaw. The tool chuck according to claim 6, wherein the inner periphery of the front cover is provided with a first connecting portion, the sliding surface is arranged between the opening and the first connecting portion, and the outer periphery of the back cover is arranged There is a second connecting part and a stopping flange, the first connecting part is sleeved on the second connecting part, and the end of the front cover opposite to the opening abuts against the stopping flange. The tool chuck according to claim 7, wherein the outer periphery of the back cover is provided with a groove, and an O-ring is arranged in the groove, and the O-ring abuts against the inner periphery of the front cover. The tool chuck according to claim 8, wherein the positioning groove does not penetrate the spacer block, the first surface is a circular plane, and one end of the push rod opposite to the spacer block protrudes out of the housing and is provided with a drive The driving part is hexagonal column shape.

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