CN220943301U

CN220943301U - Self-locking type drill bit tool clamp

Info

Publication number: CN220943301U
Application number: CN202322612651.3U
Authority: CN
Inventors: 蔡迎红; 高春龙
Original assignee: Dalian Yifeng Machinery Equipment Co ltd
Current assignee: Dalian Yifeng Machinery Equipment Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-14
Anticipated expiration: 2033-09-26

Abstract

The utility model belongs to the technical field of drill bit clamps, in particular to a self-locking drill bit tool clamp, which aims at solving the problems of troublesome disassembly and assembly and low clamping degree of a drill bit in the prior art. According to the utility model, the bevel gear can be driven to rotate by rotating the center column, so that the screw rod on the inner wall of the side gear is controlled to move downwards, the clamping blocks are close to each other, self-locking clamping of the drill bit is realized, the traditional locking by using a gear key is replaced, the disassembly and assembly are convenient, the ratchet wheel is additionally arranged on the outer wall of the center column, one end of the clamping belt can be controlled to be tightly attached in a wheel groove of the ratchet wheel by pressing the limiting block, the drill bit can be clamped more and more tightly by utilizing unidirectional rotation of the ratchet wheel, looseness caused by vibration is avoided, and the stability is high.

Description

Self-locking type drill bit tool clamp

Technical Field

The utility model relates to the technical field of drill clamps, in particular to a self-locking drill tool clamp.

Background

The drill chuck is an accessory for use in connection with a drill tool for holding a drill shank type tool. The drilling tool is a fitting widely used in the fields of machine tools, electric motors and the like, and the use and the operation of the drilling tool are not separated.

The following problems exist in the tool clamp of the drill bit:

The common electric drill wrench drill chuck is required to be twisted back and forth by using a special gear key when the drill bit is replaced, and the electric drill wrench chuck is very troublesome to install or detach.

The long-time vibration of working can cause the clamping bit part to loosen, thereby reducing the clamping degree of the bit, and the bit can fall off when serious.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a self-locking drill bit fixture, which overcomes the defects of the prior art and effectively solves the problems of troublesome disassembly and assembly and low clamping degree of a drill bit.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The self-locking type drill bit tool clamp comprises a clamp sleeve, wherein the top of the inner wall of the clamp sleeve rotates a central column of a connector through a bearing, a bevel gear is arranged on the outer wall of the central column, side gears distributed at equal intervals are meshed on the outer wall of the bevel gear, a screw rod is connected with the inner wall of the side gear in a threaded manner, and a clamping block is welded on the outer wall of one end of the screw rod;

The ratchet is installed to the center post outer wall, and the ratchet outer wall is provided with the clamping band, clamping band one side outer wall is provided with the stopper.

Preferably, the outer wall of the top of the center column is provided with a rotary plectrum, and the rotary plectrum is in sliding connection with the outer wall of the clamp sleeve.

Preferably, the fixed sleeve is installed to anchor clamps cover outer wall, and hand hole has all been seted up to fixed sleeve both sides outer wall, and rotatory plectrum sets up in the inside of fixed sleeve.

Preferably, the jack is arranged on the outer wall of one side of the clamp sleeve, and the limiting block is connected to the inner wall of the jack in a sliding manner.

Preferably, a bottom sleeve is arranged at the bottom of the outer wall of the clamp sleeve.

Preferably, drill bits are connected to the inner walls of the clamping blocks in a clamping mode, wherein the drill bits are distributed in an equidistant mode.

Preferably, a connecting ring is welded on the outer wall of the top of the fixed sleeve.

The beneficial effects of the utility model are as follows:

1. According to the self-locking type drill bit tool clamp, the bevel gear can be driven to rotate through rotating the center column, so that the screw rod on the inner wall of the side gear is controlled to move downwards, the clamping blocks are close to each other, the self-locking clamping of the drill bit is realized, the traditional locking by using a gear key is replaced, and the disassembly and assembly are convenient;

2. The self-locking type drill bit tool clamp has the advantages that the ratchet wheel is additionally arranged on the outer wall of the center column, one end of the clamping belt can be controlled to be tightly attached to the wheel groove of the ratchet wheel by pressing the limiting block, the drill bit can be clamped more tightly by utilizing unidirectional rotation of the ratchet wheel, looseness caused by vibration is avoided, and the stability is high.

Drawings

FIG. 1 is a front view of the whole structure of a self-locking drill fixture according to the present utility model;

Fig. 2 is a schematic diagram illustrating the overall structure of a self-locking drill fixture according to the present utility model;

Fig. 3 is a schematic diagram of a ratchet connection structure of a self-locking drill fixture according to the present utility model.

In the figure: 1. a clamp sleeve; 2. a center column; 3. a bevel gear; 4. a side gear; 5. a screw rod; 6. clamping blocks; 7. a ratchet wheel; 8. a clamping belt; 9. a limiting block; 10. rotating the plectrum; 11. a fixed sleeve; 12. a hand hole; 13. a jack; 14. a bottom sleeve; 15. a drill bit; 16. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment one, refer to fig. 2, a self-locking bit frock clamp, including anchor clamps cover 1, the top of anchor clamps cover 1 inner wall is through bearing rotation connector center post 2, and the bevel gear 3 is installed to center post 2 outer wall, and bevel gear 3 outer wall meshing has equidistant side gear 4 that distributes, and side gear 4 inner wall spiro union has lead screw 5, and lead screw 5 one end outer wall welding has clamp splice 6.

In this embodiment, through rotating center post 2 can drive bevel gear 3 rotation, and then lead screw 5 on the control side gear 4 inner wall moves down for clamp splice 6 is close to each other, has realized the auto-lock centre gripping of drill bit 15, has replaced traditional utilization gear key locking, easy dismounting.

In the second embodiment, referring to fig. 3, a ratchet 7 is installed on the outer wall of a center post 2, a clamping belt 8 is provided on the outer wall of the ratchet 7, and a limiting block 9 is provided on the outer wall of one side of the clamping belt 8.

In this embodiment, the ratchet wheel 7 is added on the outer wall of the center post 2, one end of the clamping belt 8 can be controlled to be tightly attached in the wheel groove of the ratchet wheel 7 by pressing the limiting block 9, the drill bit 15 can be clamped more tightly by utilizing unidirectional rotation of the ratchet wheel 7, loosening caused by vibration is avoided, and the stability is high.

Referring to fig. 2, a rotary plectrum 10 is installed on the top outer wall of the center column 2, and the rotary plectrum 10 is slidably connected to the outer wall of the clamp sleeve 1.

Referring to fig. 2, a fixing sleeve 11 is installed on the outer wall of the fixture sleeve 1, hand holes 12 are formed on the outer walls of the two sides of the fixing sleeve 11, and a rotary pulling piece 10 is arranged inside the fixing sleeve 11.

Referring to fig. 2, an insertion hole 13 is formed in the outer wall of one side of the clamp sleeve 1, and the limiting block 9 is slidably connected to the inner wall of the insertion hole 13.

Referring to fig. 2, a bottom cover 14 is installed at the bottom of the outer wall of the clamp cover 1.

Referring to fig. 1, drill bits 15 are clamped and connected to the inner walls of the equidistantly distributed clamping blocks 6.

Referring to fig. 1, a connection ring 16 is welded to the top outer wall of the fixing sleeve 11.

Working principle: firstly, a drill bit 15 is inserted between three clamping blocks 6 in a bottom sleeve 14, then a rotary pulling piece 10 is rotated to drive a center column 2 to rotate, along with the rotation of a bevel gear 3, a screw rod 5 on the inner wall of a side gear 4 can move downwards, the clamping blocks 6 are close to each other, self-locking clamping of the drill bit 15 is completed, in the process, one end of a clamping belt 8 can be controlled to be tightly attached in a wheel groove of a ratchet wheel 7 by pressing a limiting block 9, the drill bit 15 can be clamped more tightly by unidirectional rotation of the ratchet wheel 7, and the drill bit 15 is prevented from loosening during working.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The self-locking type drill bit tool clamp comprises a clamp sleeve (1) and is characterized in that the top of the inner wall of the clamp sleeve (1) rotates a connector central column (2) through a bearing, a bevel gear (3) is arranged on the outer wall of the central column (2), side gears (4) distributed at equal intervals are meshed on the outer wall of the bevel gear (3), a screw rod (5) is screwed on the inner wall of the side gear (4), and a clamping block (6) is welded on the outer wall of one end of the screw rod (5);

The ratchet (7) is installed on the outer wall of the center column (2), the clamping belt (8) is arranged on the outer wall of the ratchet (7), and the limiting block (9) is arranged on the outer wall of one side of the clamping belt (8).

2. The self-locking drill tool clamp according to claim 1, wherein a rotary plectrum (10) is arranged on the outer wall of the top of the center column (2), and the rotary plectrum (10) is connected to the outer wall of the clamp sleeve (1) in a sliding manner.

3. The self-locking drill tool clamp according to claim 1, wherein the outer wall of the clamp sleeve (1) is provided with a fixing sleeve (11), hand holes (12) are formed in the outer walls of two sides of the fixing sleeve (11), and the rotary pulling piece (10) is arranged in the fixing sleeve (11).

4. The self-locking drill tool clamp according to claim 1, wherein a jack (13) is formed in the outer wall of one side of the clamp sleeve (1), and the limiting block (9) is slidably connected to the inner wall of the jack (13).

5. The self-locking drill tool clamp according to claim 1, wherein a bottom sleeve (14) is arranged at the bottom of the outer wall of the clamp sleeve (1).

6. The self-locking drill bit fixture according to claim 1, wherein drill bits (15) are connected to the inner walls of the equidistantly distributed clamping blocks (6).

7. A self-locking drill tool clamp according to claim 3, wherein the outer wall of the top of the fixing sleeve (11) is welded with a connecting ring (16).