CN209831910U - Manual drill of quick centre gripping - Google Patents

Abstract

The utility model discloses a fast-clamping manual drill, which comprises a locking cover, a drill rod and a drill bit; the locking cover is connected with the outer surface of the drill rod through threads; a groove is formed in the center of the head of the drill rod; the tail part of the drill bit is connected with a drill handle matched with the groove in shape, the neck part of the drill bit is connected with a baffle ring, one side of the baffle ring is abutted against the top end of the drill rod, the other side of the baffle ring is abutted against the locking cover, and the head part of the drill bit penetrates through the locking cover and extends out of the outer side of the drill rod. The hand drill can fasten or detach the drill bit through rotating, and the efficiency of detaching the drill bit is higher than that of fastening the jackscrew, so that the hand drill can be clamped quickly, the clamping time is shortened, and the working efficiency of installing or detaching the drill bit is improved.

Description

Manual drill of quick centre gripping

Technical Field

The utility model relates to a manual of quick centre gripping bores.

Background

With the improvement of the living culture level of people, many people develop the interest of making jewelries DIY for carpentry and literary playing. In general, a manual drill is usually used for drilling holes in woodworking, but the materials such as logs, walnuts and the like which are commonly used are hard in texture, and the surfaces of the materials are curved. When the hand twist drill is used for machining a curved complex surface, the drill bit is scrapped due to the fact that the drill bit slips or shakes by hand to make a hole askew or the position of the hole is deviated. The conventional disposable hand drill only can be used once, and the damaged drill bit can only be used again, so that the material and the time are wasted. Later jackscrews were used, but this was found to be too cumbersome, not fast enough to be clamped and too inefficient in requiring a lot of time for both installation and removal.

Therefore, it is necessary to develop a fast clamping hand drill to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual of quick centre gripping bores, can reach the effect of quick centre gripping.

In order to solve the problems, the technical scheme adopted by the utility model is that the rapid-clamping manual drill comprises a locking cover, a drill rod and a drill bit; the locking cover is connected with the outer surface of the drill rod through threads; a groove is formed in the center of the head of the drill rod; the tail part of the drill bit is connected with a drill handle matched with the groove in shape, the neck part of the drill bit is connected with a baffle ring, one side of the baffle ring is abutted against the top end of the drill rod, the other side of the baffle ring is abutted against the locking cover, and the head part of the drill bit penetrates through the locking cover and extends out of the outer side of the drill rod.

Preferably, the drill is a twist drill.

Preferably, the groove is hexagonal.

Preferably, the quick drill handle is made of common high-speed steel or high-performance high-speed steel.

Preferably, the thread connected between the locking cover and the drill rod is a fine thread.

The utility model has the advantages that:

the manual drill can easily and simply disassemble and clamp the drill bit through rotation; the problem of because materials texture such as log commonly used, walnut is harder, the material surface be the curved surface, and the hand drill can skid, bore askew cutter fragile when drilling, needs often to trade the drill bit and lead to the clamping inefficiency, the utility model has the advantages of efficient, the centre gripping is fast, simple structure, laborsaving high efficiency, convenient operation etc.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

in the figure: 1-locking cover, 2-drill rod, 3-drill bit, 4-thread, 5-groove, 6-drill handle and 7-baffle ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, the fast-clamping manual drill comprises a locking cover 1, a drill rod 2 and a drill bit 3; the locking cover 1 is connected with the outer surface of the drill rod 2 through threads 4; a groove 5 is formed in the center of the head of the drill rod 2; the tail part of the drill bit 3 is connected with a drill handle 6 matched with the groove 5 in shape, the neck part of the drill bit 3 is connected with a baffle ring 7, one side of the baffle ring 7 is abutted against the top end of the drill rod 2, the other side of the baffle ring is abutted against the locking cover 1, and the head part of the drill bit 3 penetrates through the locking cover 1 and extends out of the outer side of the drill rod 2.

The drill bit 3 just so can be fixed to the recess 5 of drill handle 6 insertion and 2 bottoms of drilling rods, then drill handle 6 drives the motion of drill bit 3, 7 cards of fender on the drill bit 3 neck are covered 1 in the locking, prevent that the cutter from falling down, the opposite side that keeps off ring 7 contacts with drilling rod 2, prevent that drill bit 3 from rocking the fixed effect of having played inside, drill bit 3 can pass the locking lid and can stretch out the outside of drilling rod 2, cover 1 with drill handle 6 and locking through screw thread 4 and be connected, guarantee that whole manual brill can move. Therefore, the tool in the tool can be mounted and dismounted only by rotating, and the effect of quick clamping can be achieved.

The manual drill can easily and simply disassemble and clamp the drill bit through rotation; the problem of because materials texture such as log commonly used, walnut is harder, the material surface be the curved surface, and the hand drill can skid, bore askew cutter fragile when drilling, needs often to trade the drill bit and lead to the clamping inefficiency, the utility model has the advantages of efficient, the centre gripping is fast, simple structure, laborsaving high efficiency, convenient operation etc.

It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (5)

1. A fast-clamping manual drill is characterized by comprising a locking cover, a drill rod and a drill bit; the locking cover is connected with the outer surface of the drill rod through threads; a groove is formed in the center of the head of the drill rod; the tail part of the drill bit is connected with a drill handle matched with the groove in shape, the neck part of the drill bit is connected with a baffle ring, one side of the baffle ring is abutted against the top end of the drill rod, the other side of the baffle ring is abutted against the locking cover, and the head part of the drill bit penetrates through the locking cover and extends out of the outer side of the drill rod.

2. A quick-grip hand drill according to claim 1, wherein said drill is a twist drill.

3. A quick grip hand drill according to claim 1 wherein said recess is hexagonal.

4. The rapidly clamping hand drill according to claim 1, wherein the drill shank is made of ordinary high speed steel or high performance high speed steel.

5. The quick grip hand drill of claim 1, wherein the thread connecting the locking cap and the drill stem is a fine thread.