CN210908409U

CN210908409U - Tapping chuck

Info

Publication number: CN210908409U
Application number: CN201921505213.4U
Authority: CN
Inventors: 倪雅汇
Original assignee: Jiangsu Siruite Tool Co ltd
Current assignee: Jiangsu Siruite Tool Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-03
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a screw tap chuck relates to screw tap technical field, for solving the relatively poor problem of current screw tap chuck commonality. The torque overload protector is installed to the lower extreme of blind rivet, the chuck is installed to torque overload protector's lower extreme, the internally mounted of chuck has the screw tap, the connecting axle is installed to torque overload protector's upper end, the externally mounted of connecting axle has the axle sleeve, the outside of axle sleeve is provided with the recess, and the recess is provided with four, the externally mounted of handle of a knife has adjusting bolt, and adjusting bolt is provided with four, and adjusting bolt imbeds the inside of handle of a knife, the spring is installed to adjusting bolt's one end, the fixture block is installed to the one end of spring, and the inside of fixture block embedding recess.

Description

Tapping chuck

Technical Field

The utility model relates to a screw tap technical field specifically is a screw tap chuck.

Background

A tool for machining internal threads is provided with a groove in the axial direction and is also called a screw tap, a screw tap and the like, the screw tap is a popular calling method in Guangdong areas, the screw tap is divided into a hand screw tap and a machine screw tap according to different driving modes, the screw tap is divided into a cutting screw tap and an extrusion screw tap according to machining modes, the screw tap is divided into a metric coarse screw tap, a metric fine screw tap, a pipe screw tap and the like according to machined threads, the screw tap is divided into a straight-groove screw tap, a spiral-groove screw tap and a screw-tip screw tap according to the shape, and the screw tap is fixedly arranged on a machine head of the screw tap through a matched screw tap chuck during tapping.

However, the existing tapping chuck has poor universality; thus, the present need is not met, and a tap chuck has been proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tap chuck to solve the relatively poor problem of current tap chuck commonality that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw tap chuck, includes the handle of a knife, the blind rivet is installed to the upper end of handle of a knife, moment of torsion overload protection ware is installed to the lower extreme of blind rivet, the chuck is installed to moment of torsion overload protection ware's lower extreme, the internally mounted of chuck has the screw tap, the connecting axle is installed to moment of torsion overload protection ware's upper end, the externally mounted of connecting axle has the axle sleeve, the outside of axle sleeve is provided with the recess, and the recess is provided with four, the externally mounted of handle of a knife has adjusting bolt, and adjusting bolt is provided with four, and the inside of adjusting bolt embedding handle of a knife, the spring is installed to adjusting bolt's one end, the fixture block.

Preferably, the upper end of the shaft sleeve is provided with a circular arc head.

Preferably, a nut sleeve is mounted on the outer portion of the chuck, a taper sleeve is mounted inside the nut sleeve, a collet chuck is mounted inside the taper sleeve, and the screw tap is embedded inside the collet chuck.

Preferably, the knife handle is in threaded connection with the blind rivet.

Preferably, the torque overload protector is in threaded connection with the chuck.

Preferably, a fixing pin is arranged between the chuck and the collet chuck, and the chuck and the fixing pin are arranged into an integrally formed structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an externally mounted at the connecting axle has the axle sleeve, realize being connected of handle of a knife and moment of torsion overload protector, when the connecting axle inserts the inside of handle of a knife, the circular arc head of axle sleeve front end contacts the fixture block earlier, produce the extrusion force to the fixture block, the spring contracts, the connecting axle drives the axle sleeve and continues the motion, when recess and fixture block are located same height, the spring resets and drives the inside of fixture block embedding recess, realize being connected of handle of a knife and moment of torsion overload protector, the connected mode is simple, and adjusting bolt and fixture block are all installed to around the handle of a knife and both sides, can comprehensively fix the connecting axle and prevent that it from producing and;

2. the utility model discloses a rotating nut cover and producing a thrust to the taper sleeve, the taper sleeve produces a pressure to the collet chuck, and the collet chuck shrink can lock the screw tap, and is convenient with the dismantlement to the installation of screw tap, also can fix to the screw tap that the specification is different, and the commonality of chuck is better, can realize the quick installation to the screw tap.

Drawings

Fig. 1 is an overall front view of a tapping collet of the present invention;

fig. 2 is a schematic view of the overall structure of a tapping chuck according to the present invention;

FIG. 3 is a partial enlarged view of region A of the present invention;

fig. 4 is a schematic structural view of the chuck of the present invention.

In the figure: 1. a knife handle; 2. pulling nails; 3. a torque overload protector; 4. a chuck; 5. tapping; 6. a connecting shaft; 7. a shaft sleeve; 8. a groove; 9. adjusting the bolt; 10. a spring; 11. a clamping block; 12. a circular arc head; 13. a nut sleeve; 14. a taper sleeve; 15. a collet chuck; 16. and fixing the pin.

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. 1-4, the present invention provides an embodiment: a tapping chuck comprises a tool shank 1, a blind rivet 2 is installed at the upper end of the tool shank 1, a torque overload protector 3 is installed at the lower end of the blind rivet 2, a chuck 4 is installed at the lower end of the torque overload protector 3, a tap 5 is installed inside the chuck 4, a connecting shaft 6 is installed at the upper end of the torque overload protector 3, a shaft sleeve 7 is installed outside the connecting shaft 6, a groove 8 is formed in the outer portion of the shaft sleeve 7, four grooves 8 are formed in each groove 8, an adjusting bolt 9 is installed on the outer portion of the tool shank 1, four adjusting bolts 9 are arranged, each adjusting bolt 9 is embedded into the tool shank 1, a spring 10 is installed at one end of each adjusting bolt 9, a clamping block 11 is installed at one end of each spring 10, each clamping block 11 is embedded into each groove 8, an arc head portion 12 at the front end of each shaft sleeve 7 contacts with each clamping block 11 first, when recess 8 and fixture block 11 were located same height, spring 10 reset and drives the inside of fixture block 11 embedding recess 8, realized handle of a knife 1 and moment of torsion overload protector 3's being connected, and connected mode is simple, and all installs adjusting bolt 9 and fixture block 11 around handle of a knife 1 and both sides, can fix comprehensively connecting axle 6 and prevent that its production from rocking.

Further, the upper end of the shaft sleeve 7 is provided with an arc head 12, the arc head 12 at the front end of the shaft sleeve 7 contacts the clamping block 11 first to generate extrusion force on the clamping block 11, the spring 10 contracts, and the connecting shaft 6 can drive the shaft sleeve 7 to move continuously.

Further, a nut sleeve 13 is mounted on the outer portion of the chuck 4, a taper sleeve 14 is mounted inside the nut sleeve 13, a collet chuck 15 is mounted inside the taper sleeve 14, the tap 5 is embedded into the collet chuck 15, the nut sleeve 13 is rotated to generate thrust on the taper sleeve 14, the taper sleeve 14 generates pressure on the collet chuck 15, the collet chuck 15 contracts to lock the tap 5, the tap 5 is convenient to mount and dismount, and the tap 5 with different specifications can be fixed, so that the chuck 4 is good in universality.

Further, handle of a knife 1 and blind rivet 2 threaded connection, the connected mode is simple, and the installation is quick and convenient with the dismantlement.

Further, the torque overload protector 3 is in threaded connection with the chuck 4, the connection mode is simple, and the installation and the disassembly are quick.

Further, a fixing pin 16 is attached between the collet 4 and the collet chuck 15, and the collet 4 and the fixing pin 16 are formed as an integral structure to fix the collet chuck 15.

The working principle is as follows: when the torque overload protector is used, the torque overload protector 3 is connected with the tool handle 1, the connecting shaft 6 is inserted into the tool handle 1, the arc head 12 at the front end of the shaft sleeve 7 contacts the clamping block 11 firstly to generate extrusion force on the clamping block 11, the spring 10 contracts, the connecting shaft 6 drives the shaft sleeve 7 to continue to move, when the groove 8 and the clamping block 11 are positioned at the same height, the spring 10 resets to drive the clamping block 11 to be embedded into the groove 8, the connection between the tool handle 1 and the torque overload protector 3 is realized, the connection mode is simple, the adjusting bolts 9 and the clamping block 11 are arranged at the front, the back and the two sides of the tool handle 1, the connecting shaft 6 can be comprehensively fixed to prevent the connecting shaft 6 from shaking, the chuck 4 is connected with the torque overload protector 3 through threads, the tap 5 is inserted into the spring collet chuck 15, the nut sleeve 13 is rotated to generate a thrust force on the

taper sleeve

14, 15 shrink of spring collet chuck can lock tap 5, it is convenient with the dismantlement to the installation of tap 5, also can fix to the different tap 5 of specification, chuck 4's commonality is better, can realize the quick installation to tap 5, at last with whole fix through blind rivet 2 and main shaft can, in the tapping process, protect tap 5 through moment of torsion overload protector 3, when moment of torsion dynamics is great, idle running prevents the fracture of tap 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a tap chuck, includes handle of a knife (1), its characterized in that: the upper end of the knife handle (1) is provided with a blind rivet (2), the lower end of the blind rivet (2) is provided with a torque overload protector (3), a chuck (4) is arranged at the lower end of the torque overload protector (3), a screw tap (5) is arranged in the chuck (4), a connecting shaft (6) is installed at the upper end of the torque overload protector (3), a shaft sleeve (7) is installed outside the connecting shaft (6), a groove (8) is arranged outside the shaft sleeve (7), four grooves (8) are arranged, adjusting bolts (9) are arranged outside the knife handle (1), four adjusting bolts (9) are arranged, the adjusting bolts (9) are embedded in the knife handle (1), spring (10) are installed to the one end of adjusting bolt (9), fixture block (11) are installed to the one end of spring (10), and the inside of fixture block (11) embedding recess (8).

2. A tap chuck according to claim 1, wherein: the upper end of the shaft sleeve (7) is provided with an arc head part (12).

3. A tap chuck according to claim 1, wherein: the nut sleeve (13) is installed on the outer portion of the chuck (4), the taper sleeve (14) is installed inside the nut sleeve (13), the collet chuck (15) is installed inside the taper sleeve (14), and the screw tap (5) is embedded into the collet chuck (15).

4. A tap chuck according to claim 1, wherein: the knife handle (1) is in threaded connection with the blind rivet (2).

5. A tap chuck according to claim 1, wherein: the torque overload protector (3) is in threaded connection with the chuck (4).

6. A tap chuck according to claim 1, wherein: a fixing pin (16) is arranged between the chuck (4) and the collet chuck (15), and the chuck (4) and the fixing pin (16) are arranged into an integrated structure.