CN210848667U - Twist-off-preventing tapping tool for small-specification screw tap - Google Patents
Twist-off-preventing tapping tool for small-specification screw tap Download PDFInfo
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- CN210848667U CN210848667U CN201920995289.3U CN201920995289U CN210848667U CN 210848667 U CN210848667 U CN 210848667U CN 201920995289 U CN201920995289 U CN 201920995289U CN 210848667 U CN210848667 U CN 210848667U
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Abstract
The utility model provides a small-specification screw tap twisting-off-preventing tapping tool, which comprises a main body, a sliding sleeve, a screw tap seat and a screw tap; the main body comprises a main body head and a main body which are arranged in front and back, three thread adjusting holes are uniformly distributed at the front end of the side wall of the main body head, adjusting screws are arranged in the thread adjusting holes in a matched mode, the thread ends of the adjusting screws are connected with springs in a matched mode, and steel balls are propped against the other ends of the springs; the sliding sleeve comprises a sliding sleeve head and a sliding sleeve body which are arranged in front and at back, three thread fixing holes are uniformly distributed on the side wall of the sliding sleeve head, and three strip-shaped sliding grooves are uniformly distributed on the outer side of the sliding sleeve body along the circumferential direction; the screw tap seat is arranged in the sliding sleeve head, and the rear end of the screw tap is fastened in the screw tap seat. The beneficial effects of the utility model reside in that: the components are embedded and connected by screws, so that the components are convenient to replace; the sliding sleeve is provided with the strip-shaped sliding groove, so that the sliding sleeve can move back and forth, and a screw tap is protected in the collision process; by rotating the adjusting screw, the spring and the steel ball are fastened on the sliding sleeve, so that the tension can be conveniently adjusted.
Description
Technical Field
The invention relates to the technical field of tapping tools, in particular to a twist-off prevention tapping tool for a small-specification screw tap.
Background
The screw tap is a common tool in the hardware processing industry, and is generally used for common machine tools, drilling machines, tapping machines or manual thread processing. When the internal thread machining device is used, the motor drives the internal thread machining device to rotate at a low speed, and internal threads can be machined on a workpiece. However, the motor is likely to twist off as the tap stops advancing when it encounters a greater resistance and the motor continues to rotate. The screw tap is twisted off, and the machined workpiece is possibly retained by the broken screw tap and is difficult to take out and is scrapped, so that huge loss is formed. How to protect the tap from being twisted becomes a difficult point in the industry.
Disclosure of Invention
In order to solve the problems, the invention discloses a twist-off prevention tapping tool for a small-specification screw tap, which effectively prevents the screw tap from breaking in the working process.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a twist-off tapping instrument is prevented to small dimension screw tap which characterized in that: comprises a main body, a sliding sleeve, a screw tap seat and a screw tap; the main body comprises a main body head and a main body which are arranged in front and back, the main body head is of a cylindrical structure, the main body is of a band-tail Morse cone structure, the central axis of the main body is collinear with the central axis of the main body head, three thread adjusting holes are uniformly distributed at the front end of the side wall of the main body head in the circumferential direction, adjusting screws are installed in the thread adjusting holes in a matched mode, the thread ends of the adjusting screws are arranged towards the middle of the main body head and are connected with springs in a matched mode, one end of each spring is connected with the thread end of each adjusting screw, and the other end of each spring abuts; the sliding sleeve comprises a sliding sleeve head and a sliding sleeve body which are arranged in front and back, the sliding sleeve head is of a cylindrical structure, the sliding sleeve body is of a cylindrical structure matched with the inner diameter of the main body head and is arranged in the main body head, the central axis of the sliding sleeve body is collinear with the central axis of the sliding sleeve head, three thread fixing holes are uniformly distributed in the side wall of the sliding sleeve head along the circumferential direction, fixing screws are installed in the thread fixing holes in a matched mode, three strip-shaped sliding grooves are uniformly distributed in the outer side of the sliding sleeve body along the circumferential direction, the strip-shaped sliding grooves are arranged along the axial direction of the sliding sleeve body, the cross sections of the strip-shaped sliding grooves are in an arc shape matched with steel balls, and the steel balls can be arranged in; the screw tap seat is of a disc-shaped structure matched with the inner diameter of the sliding sleeve head, is arranged in the sliding sleeve head and is locked by a fixing screw, a square hole is formed in the middle of the screw tap seat, and the rear end of the screw tap is fastened in the square hole of the screw tap seat.
Further, the main body is of a Morse 4-shaped conical structure with a flat tail.
Further, the adjusting screw and the spring are both arranged along the radial direction of the main body head.
Furthermore, the fixing screw is arranged along the radial direction of the sliding sleeve head, and the threaded end of the fixing screw faces the middle of the sliding sleeve head.
Compared with the prior art, the invention has the beneficial effects that:
1. the components are embedded and connected by screws, so that the components are convenient to replace;
2. the sliding sleeve is provided with the strip-shaped sliding groove, so that the sliding sleeve can move back and forth, a screw tap is protected in the collision process, and the screw tap is prevented from being broken;
3. by rotating the adjusting screw, the spring and the steel ball are fastened on the sliding sleeve, so that the tension can be conveniently adjusted;
4. the screw tap seat adopts a fixing screw locking mode, is convenient to replace and is suitable for various screw taps.
Drawings
Fig. 1 is a schematic structural diagram of a twist-off prevention tapping tool for a small-sized tap of the present invention.
Fig. 2 is a schematic structural diagram of a sliding sleeve in the small-specification screw tap twisting-off prevention tapping tool.
List of reference numerals:
1-main body head, 2-main body, 3-adjusting screw, 4-spring, 5-steel ball, 6-sliding sleeve head, 7-sliding sleeve body, 8-fixing screw, 9-strip chute, 10-screw cone seat and 11-screw tap.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in the figure, a twist-off tapping instrument is prevented to small dimension screw tap, its characterized in that: comprises a main body, a sliding sleeve, a tap seat 10 and a tap 11; the main body comprises a main body head 1 and a main body 2 which are arranged in front and back, the main body head 1 is of a cylindrical structure, the main body 2 is of a band-tail Morse cone structure, the central axis of the main body 2 is collinear with the central axis of the main body head 1, three thread adjusting holes are uniformly distributed at the front end of the side wall of the main body head 1 along the circumferential direction, adjusting screws 3 are installed in the thread adjusting holes in a matched mode, the thread ends of the adjusting screws 3 are arranged towards the middle of the main body head 1 and are connected with springs 4 in a matched mode, one ends of the springs 4 are connected with the thread ends of the adjusting screws 3, and steel balls 5 are; the sliding sleeve comprises a sliding sleeve head 6 and a sliding sleeve body 7 which are arranged in front and back, the sliding sleeve head 6 is of a cylindrical structure, the sliding sleeve body 7 is of a cylindrical structure matched with the inner diameter of the main body head 1 and is arranged in the main body head 1, the central axis of the sliding sleeve body 7 is collinear with the central axis of the sliding sleeve head 6, three thread fixing holes are uniformly distributed in the side wall of the sliding sleeve head 6 along the circumferential direction, fixing screws 8 are installed in the thread fixing holes in a matched mode, three strip-shaped sliding grooves 9 are uniformly distributed in the outer side of the sliding sleeve body 7 along the circumferential direction, the strip-shaped sliding grooves 9 are arranged along the axial direction of the sliding sleeve body 7, the cross sections of the strip-shaped sliding grooves 9 are arc-shaped in a; the screw tap seat 10 is a disc-shaped structure matched with the inner diameter of the sliding sleeve head 6, is arranged in the sliding sleeve head 6 and is locked by a fixing screw 8, a square hole is formed in the middle of the screw tap seat 10, and the rear end of the screw tap 11 is fastened in the square hole of the screw tap seat 10.
In this embodiment, the main body 1 has a morse 4-cone structure with a flat tail, and is conveniently fixed on a machine tool.
In the present embodiment, the adjustment screw 3 and the spring 4 are both provided in the radial direction of the body head 1.
In the present embodiment, the fixing screw 8 is disposed along the radial direction of the sliding sleeve head 6, and the threaded end of the fixing screw 8 faces the middle of the sliding sleeve head 6.
The invention can prevent the screw tap 11 from breaking in the process of tapping internal threads, and can replace the screw tap seat 10 according to the specification of the screw tap 11 to be replaced, thereby being suitable for the working of the screws 11 with various specifications, and having the characteristics of convenience, simplicity, convenient assembly and disassembly and wide applicability.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (4)
1. The utility model provides a twist-off tapping instrument is prevented to small dimension screw tap which characterized in that: comprises a main body, a sliding sleeve, a screw tap seat (10) and a screw tap (11);
the main body comprises a main body head (1) and a main body (2) which are arranged in the front-back direction, the main body head (1) is of a cylindrical structure, the main body (2) is of a Morse cone structure with a flat tail, the central axis of the main body (2) is collinear with the central axis of the main body head (1), three thread adjusting holes are uniformly distributed at the front end of the side wall of the main body head (1) along the circumferential direction, adjusting screws (3) are installed in the thread adjusting holes in a matched mode, the thread ends of the adjusting screws (3) are arranged towards the middle of the main body head (1) and are connected with springs (4) in a matched mode, one ends of the springs (4) are connected with the thread ends of the adjusting screws (3), and the other ends of the springs (4;
the sliding sleeve comprises a sliding sleeve head (6) and a sliding sleeve body (7) which are arranged in the front and back, the sliding sleeve head (6) is of a cylindrical structure, the sliding sleeve body (7) is of a cylindrical structure matched with the inner diameter of the main body head (1) and is arranged in the main body head (1), the central axis of the sliding sleeve body (7) is collinear with the central axis of the sliding sleeve head (6), three threaded fixing holes are uniformly distributed in the side wall of the sliding sleeve head (6) along the circumferential direction, fixing screws (8) are matched and installed in the threaded fixing holes, three strip-shaped sliding chutes (9) are uniformly distributed in the outer side of the sliding sleeve body (7) along the circumferential direction, the strip-shaped sliding chutes (9) are arranged along the axial direction of the sliding sleeve body (7), the cross sections of the strip-shaped sliding chutes (9) are matched with the steel balls (5) in an arc shape, and the steel balls (5) can be arranged in the;
the screw tap seat (10) is of a disc-shaped structure matched with the inner diameter of the sliding sleeve head (6), is arranged in the sliding sleeve head (6) and is locked by a fixing screw (8), a square hole is formed in the middle of the screw tap seat (10), and the rear end of the screw tap (11) is fastened in the square hole of the screw tap seat (10).
2. The twist-off prevention tapping tool for small gauge taps according to claim 1, wherein: the main body (2) is of a Morse 4-shaped conical structure with a flat tail.
3. The twist-off prevention tapping tool for small gauge taps according to claim 1, wherein: the adjusting screw (3) and the spring (4) are arranged along the radial direction of the main body head (1).
4. The twist-off prevention tapping tool for small gauge taps according to claim 1, wherein: the fixing screw (8) is arranged along the radial direction of the sliding sleeve head (6), and the thread end of the fixing screw (8) faces the middle of the sliding sleeve head (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995289.3U CN210848667U (en) | 2019-06-28 | 2019-06-28 | Twist-off-preventing tapping tool for small-specification screw tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995289.3U CN210848667U (en) | 2019-06-28 | 2019-06-28 | Twist-off-preventing tapping tool for small-specification screw tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210848667U true CN210848667U (en) | 2020-06-26 |
Family
ID=71295928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920995289.3U Active CN210848667U (en) | 2019-06-28 | 2019-06-28 | Twist-off-preventing tapping tool for small-specification screw tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210848667U (en) |
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2019
- 2019-06-28 CN CN201920995289.3U patent/CN210848667U/en active Active
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