CN211102758U

CN211102758U - Electric drill chuck

Info

Publication number: CN211102758U
Application number: CN201922162814.6U
Authority: CN
Inventors: 彭韫臻
Original assignee: Suzhou Dhl Plastic Co ltd
Current assignee: Suzhou Dhl Plastic Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-28
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses an electric drill chuck, including boring the body, bore internal a plurality of clamping jaws that are provided with, it evenly is provided with a plurality of chutes along the axial on the body to bore, chute shape and clamping jaw phase-match and clamping jaw are located the chute, it is equipped with the chuck cover to bore the cover on the body, be provided with the nut in the chuck cover, the clamping jaw outside is equipped with and can with nut matched with screw thread and nut threaded connection, the sunken standing groove that forms of chuck cover outer wall, the standing groove both ends all are provided with the slot, the standing groove passes through the slot and is connected with the filling block that is provided with the inserted block, it forms the district of placing to have a determining deviation between standing groove and the filling block, the size in place the district is greater than the sign size, the sign can be placed in placing the district, device simple structure can change drill chuck sign according.

Description

Electric drill chuck

Technical Field

The utility model relates to a drill chuck field especially relates to an electric drill chuck.

Background

The drill chuck is a rotary tool clamping structure arranged at the front end of an electric drill, is used for clamping various rotary tools such as a drill bit, a reamer, a screw tap and the like in mechanical machining operations such as drilling, milling and the like by using tools such as machine tools, electric drills and the like, and is widely applied. Because the types and the maximum diameters of the rotary tools which can be clamped by each drill chuck are different, if the drill chuck is not marked, people can easily take the improper rotary tool by mistake, time is wasted, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an electric drill chuck which has simple structure and can replace a drill chuck label according to the requirement.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an electric drill chuck, includes the brill body, it is internal to be provided with a plurality of clamping jaws to bore, evenly be provided with a plurality of chutes along the axial on the brill body, chute shape and clamping jaw phase-match and clamping jaw are located the chute, the cover is equipped with the chuck cover on the brill body, be provided with the nut in the chuck cover, the clamping jaw outside be equipped with nut matched with screw thread and can with nut threaded connection, the sunken standing groove that forms of chuck cover outer wall, the standing groove both ends all are provided with the slot, the standing groove is connected with the filling block that is provided with the inserted block through the slot, it forms the district of placing to have a determining deviation between standing groove and the filling block, the size of placing the district is greater than the sign size, the sign.

The utility model provides a pair of electric drill chuck, its beneficial effect is: through set up the standing groove on the chuck cover, the sign that realizes placing the rotary tool type of the centre gripping of the drill chuck of the writing to and the rotary tool diameter that can the centre gripping avoids personnel to miss takes, reduces work efficiency, sets up the slot in the standing groove simultaneously, utilizes the slot to be connected with the filling block that is provided with the inserted block, realizes can placing not unidimensional sign.

Further, the placing groove both sides all are provided with the spacing groove, the spacing inslot is provided with a plurality of springs, be provided with the buffer block on the spring, be convenient for take out the sign, improved the convenience of changing the sign.

Furthermore, lugs are arranged on two sides of the label, the size of each lug is smaller than that of the corresponding limiting groove, and the placing stability of the label is improved.

Furthermore, a bearing is arranged between the drill body and the nut, so that the friction force generated when the nut is in contact with the drill body is reduced.

Furthermore, a gasket is arranged between the bearing and the drill body, so that the pressure is reduced, and the looseness is prevented.

Furthermore, the end of the claw head of the drill body, which is far away from the clamping jaw, is provided with a positioning groove, a positioning steel ball is arranged in the positioning groove, a groove corresponding to the position of the positioning groove is formed in the inner wall of the chuck sleeve along the circumference, so that the chuck sleeve is axially positioned in the rotating work process and cannot deviate and fall off, and the deviation of the chuck sleeve in the use process is prevented from falling off.

Further, be provided with outer skid resistant course on the collet cover, outer skid resistant course is many prismatic structure along the circumference setting, many prismatic structure begin to terminate in the bottom in the top of collet cover outer wall, and the personnel of being convenient for rotate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure:

1-a drill body; 2-clip sleeve; 22-slot; 23-a limiting groove; 24-an outer anti-slip layer; 3-clamping jaw; 4-inserting blocks; 5-filling blocks; 6-label; 61-a bump; 7-a spring; 8-a buffer block; 9-a nut; 10-a bearing; 11-a gasket; 12-positioning grooves; 13-positioning the steel ball; 14-groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the attached drawings 1-2, an electric drill chuck comprises a drill body 1, a plurality of clamping jaws 3 are arranged in the drill body 1, a plurality of inclined grooves are uniformly arranged on the drill body 1 along the axial direction, the shapes of the inclined grooves are matched with the clamping jaws 3, the clamping jaws 3 are positioned in the inclined grooves, a chuck sleeve 2 is sleeved on the drill body 1, an outer anti-skid layer 24 is arranged on the chuck sleeve 2, the outer anti-skid layer 24 is a plurality of prismatic structures arranged along the circumference, the plurality of prismatic structures start from the top end of the outer wall of the chuck sleeve 2 and end at the bottom end, a nut 9 is arranged in the chuck sleeve 2, threads matched with the nut 9 are arranged on the outer side of the clamping jaws 3 and can be in threaded connection with the nut 9, when the chuck sleeve 2 is rotated, the chuck sleeve 2 is fixedly connected with the nut 9 and the chuck sleeve 2, so that the chuck sleeve 2 is equivalent to the nut 9, and the outer threads, namely, the chuck sleeve 2 and the drill body 1 relatively rotate to drive the clamping jaw 3 to fold and unfold relative to the drill body 1, a bearing 10 is arranged between the drill body 1 and the nut 9, a gasket 11 is arranged between the bearing 10 and the drill body 1, a positioning groove 12 is arranged at one end of the drill body 1, far away from the clamping jaw 3, of the jaw head, a positioning steel ball 13 is arranged in the positioning groove 12, and a groove 14 corresponding to the positioning groove 12 is circumferentially arranged on the inner wall of the chuck sleeve 2;

sunken formation standing groove of 2 outer walls of binder cover, the standing groove both ends all are provided with slot 22, the standing groove passes through slot 22 and is connected with filling block 5 that is provided with inserted block 4, it forms the district of placing to have a determining deviation between standing groove and the filling block 5, the size of placing the district is greater than sign 6 size, sign 6 can be placed in placing the district, the standing groove both sides all are provided with spacing groove 23, be provided with a plurality of springs 7 in the spacing groove 23, be provided with buffer block 8 on the

spring

7, 6 both sides of sign all are provided with lug 61, lug 61 size is less than spacing groove 23 size.

Through set up the standing groove on chuck cover 2, realize placing the rotary tool type of the centre gripping of the drill chuck of writing clearly and the sign 6 of the rotary tool diameter that can the centre gripping, avoid personnel to take by mistake, reduce work efficiency, set up slot 22 in the standing groove simultaneously, utilize slot 22 to be connected with the filling block 5 that is provided with inserted block 4, realize placing not unidimensional sign 6.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an electric drill chuck, includes the brill body (1), be provided with a plurality of clamping jaws (3) in the brill body (1), evenly be provided with a plurality of chutes along the axial on the brill body (1), the chute shape is located the chute with clamping jaw (3) phase-match and clamping jaw (3), the cover is equipped with chuck cover (2) on the brill body (1), be provided with nut (9) in chuck cover (2), clamping jaw (3) outside be equipped with nut (9) matched with screw thread and can with nut (9) threaded connection, its characterized in that: the clamp sleeve is characterized in that the outer wall of the clamp sleeve (2) is sunken to form a placing groove, slots (22) are formed in two ends of the placing groove, the placing groove is connected with filling blocks (5) provided with inserting blocks (4) through the slots (22), a certain distance is formed between the placing groove and the filling blocks (5) to form a placing area, the size of the placing area is larger than that of a label (6), and the label (6) can be placed in the placing area.

2. An electric drill chuck according to claim 1, wherein: both sides of the placing groove are provided with limiting grooves (23), a plurality of springs (7) are arranged in the limiting grooves (23), and buffering blocks (8) are arranged on the springs (7).

3. An electric drill chuck according to claim 2, wherein: both sides of the sign (6) are provided with convex blocks (61), and the size of each convex block (61) is smaller than that of the corresponding limiting groove (23).

4. An electric drill chuck according to claim 1, wherein: a bearing (10) is arranged between the drill body (1) and the nut (9).

5. An electric drill chuck according to claim 4, wherein: a gasket (11) is arranged between the bearing (10) and the drill body (1).

6. An electric drill chuck according to claim 1, wherein: the clamp is characterized in that a positioning groove (12) is formed in one end, far away from the clamping jaw (3), of the drill body (1), a positioning steel ball (13) is arranged in the positioning groove (12), and a groove (14) corresponding to the positioning groove (12) in position is formed in the inner wall of the clamp sleeve (2) along the circumference.

7. An electric drill chuck according to claim 1, wherein: be provided with outer skid resistant course (24) on binder head cover (2), outer skid resistant course (24) are many prismatic structure along the circumference setting, many prismatic structure begin in the top of binder head cover (2) outer wall and terminate in the bottom.