CN219541935U - Left-handed sharp screw tap - Google Patents

Abstract

The utility model relates to the technical field of screw taps, and discloses a left-handed screw tap which comprises a main body mechanism, a clamping mechanism, a protection mechanism, a reinforcing mechanism and a connecting mechanism, wherein the clamping mechanism is positioned at the rear end of the main body mechanism, the protection mechanism is positioned at the rear side of the outer end of the clamping mechanism, the reinforcing mechanism is positioned at the rear side of the protection mechanism, and the connecting mechanism is positioned at the front end of the reinforcing mechanism; the protection mechanism comprises a sleeve, a tightening ring, a tightening pipe and a tightening groove. This left-handed spiral tip screw tap before carrying out work, fixes power equipment's driving end centre gripping inside through the clamping lever, later tightens up spacingly through the reinforcement screw to it, guarantees its stability with power equipment junction, and is more stable than traditional male fixed knot structure, and the difficult emergence drops, influences the life of screw tap, the sweeps that produces when cutting inside screw thread, in time discharges it through the drain groove, lets it can not cause the influence to inside screw thread processing.

Description

Left-handed sharp screw tap

Technical Field

The utility model relates to the technical field of taps, in particular to a left-handed sharp tap.

Background

The screw tap is the instrument of processing internal thread, and some work pieces that produce need cut the internal thread to the inside of work piece in order to let it install and dismantle more easily to the convenience of follow-up use generally divide into manual screw tap and machine screw tap, and current machine screw tap is many integral type structures, after long-time use, tail end and machine junction take place wearing and tearing easily, cause the mounting structure not hard up, when processing, can reduce the life of screw tap.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a left-handed left-cut spiral tip tap, which aims to solve the problems that most of existing machine taps are of an integrated structure, the tail end is easy to wear after long-time use, the connection stability is reduced, and the service life of the tap is shortened in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the left-handed spiral tip tap comprises a main body mechanism, a clamping mechanism, a protection mechanism, a reinforcing mechanism and a connecting mechanism, wherein the clamping mechanism is positioned at the rear end of the main body mechanism, the protection mechanism is positioned at the rear side of the outer end of the clamping mechanism, the reinforcing mechanism is positioned at the rear side of the protection mechanism, and the connecting mechanism is positioned at the front end of the reinforcing mechanism;

the protection mechanism comprises a sleeve, a tightening ring, a tightening pipe and a tightening groove, wherein the tightening ring is arranged at the front end of the sleeve in a threaded manner, the tightening pipe is arranged at the front end of the tightening ring in a threaded manner, and the tightening groove is fixedly arranged at the inner side of the rear end of the tightening ring.

Preferably, the main part mechanism includes screw rod, left cut screw thread, cuts first and discharge groove, left cut screw thread fixed setting is in the outer end of screw rod, cut first fixed mounting and be in the right-hand member of screw rod, the fixed inboard that sets up at the screw rod outer end of discharge groove, the design of discharge groove can let when its processing internal screw thread, will cut the timely discharge of waste material that gets off, lets it can not influence follow-up deep cutting internal screw thread.

Preferably, the clamping mechanism comprises a reinforcing rod, a square rod and a clamping groove, wherein the square rod is fixedly arranged at the rear end of the reinforcing rod, the clamping groove is fixedly arranged on the inner side of the outer end of the square rod, the design of the reinforcing rod can ensure the connection stability of the front-end main body structure and the square rod at the rear end, and the front-end main body structure is not easy to fall off when working.

Preferably, the strengthening mechanism comprises a fixing rod, a clamping rod, a strengthening screw hole and a limiting rod, wherein the clamping rod is fixedly arranged at the outer end of the rear side of the fixing rod, the strengthening screw hole is fixedly arranged on the inner side of the outer end of the clamping rod, the limiting rod is arranged at the lower end of the clamping rod in a threaded manner, the clamping rod and the strengthening screw hole are designed, and the clamping rod and the strengthening screw hole can be connected with rear-end power equipment to be strengthened together, so that the stability of the structure is ensured, the situation that the front-end processing structure is not fallen off when the front-end processing structure is driven to rotate at a high speed is avoided, and dangerous situations are caused.

Preferably, the connecting mechanism comprises a connecting block, a connecting pipe and a clamping block, wherein the connecting pipe is fixedly arranged at the right end of the connecting block, the clamping block is fixedly arranged in the connecting pipe, and the connecting block can be mutually acted with the sleeve to ensure the reinforcing stability of the connection and ensure that the connecting block is not easy to fall off.

Preferably, the adaptation between sleeve pipe and the fastening pipe, the adaptation between sleeve pipe and the fastening groove, the adaptation between fastening pipe and the tightening ring, the drainage groove is the symmetric distribution, the adaptation between draw-in groove and the fixture block, the adaptation between fastening pipe and the stiffening rod, the clamping rod is the symmetric distribution, the stiffening screw is the symmetric distribution, sheathed tube design can protect at connection structure's outer end, does not let inner structure expose, uses for a long time also can not rust, influences the stability of structure.

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

1. before the left-handed left-cut spiral tip tap works, the driving end of the power equipment is clamped inside through the clamping rod to be fixed, and then the driving end of the power equipment is tightened and limited through the reinforcing screw, so that the stability of the joint of the driving end and the power equipment is ensured, and compared with a traditional plug-in type fixing structure, the left-handed left-cut spiral tip tap is more stable in connection, is not easy to fall off, and affects the service life of the tap;

2. according to the left-handed spiral tip tap, the cutting heads are contacted with a workpiece to be processed, left-handed threads symmetrically distributed at the outer end of the screw rod start to rotationally cut the inside of the workpiece at a high speed, and scraps generated during internal thread cutting can be timely discharged through the discharge groove, so that the internal thread processing cannot be influenced, and the efficiency of the internal thread processing is improved;

3. this left-handed spiral tip screw tap, protective structure's design can protect at connection structure's outer end, does not let inner structure expose, lets its also can not take place rusty condition when not using, influences structural stability, and than traditional integral type structure, improves the flexibility of using.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a retaining mechanism according to the present utility model;

FIG. 4 is a schematic diagram showing the separation structure of the protection mechanism of the present utility model;

fig. 5 is a schematic perspective view of a reinforcement mechanism according to the present utility model.

In the figure: 1. a main body mechanism; 2. a clamping mechanism; 3. a protective mechanism; 4. a reinforcement mechanism; 5. a connecting mechanism; 101. a screw; 102. left-cut threads; 103. cutting the head; 104. a discharge chute; 201. a reinforcing rod; 202. square rods; 203. a clamping groove; 301. a sleeve; 302. a tightening ring; 303. fastening a tube; 304. a fastening groove; 401. a fixed rod; 402. a clamping rod; 403. reinforcing the screw holes; 404. a limit rod; 501. a connecting block; 502. a connecting pipe; 503. and (5) clamping blocks.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the left-handed spiral tip tap comprises a main body mechanism 1, a clamping mechanism 2, a protection mechanism 3, a reinforcing mechanism 4 and a connecting mechanism 5, wherein the clamping mechanism 2 is positioned at the rear end of the main body mechanism 1, the protection mechanism 3 is positioned at the rear side of the outer end of the clamping mechanism 2, the reinforcing mechanism 4 is positioned at the rear side of the protection mechanism 3, and the connecting mechanism 5 is positioned at the front end of the reinforcing mechanism 4;

the protection mechanism 3 comprises a sleeve 301, a tightening ring 302, a fastening pipe 303 and a fastening groove 304, wherein the tightening ring 302 is arranged at the front end of the sleeve 301 in a threaded manner, the fastening pipe 303 is arranged at the front end of the tightening ring 302 in a threaded manner, and the fastening groove 304 is fixedly arranged at the inner side of the rear end of the tightening ring 302; the main body mechanism 1 comprises a screw 101, left cutting threads 102, cutting heads 103 and a discharge groove 104, wherein the left cutting threads 102 are fixedly arranged at the outer end of the screw 101, the cutting heads 103 are fixedly arranged at the right end of the screw 101, the discharge groove 104 is fixedly arranged at the inner side of the outer end of the screw 101, the left cutting threads 102 can be arranged at the outer end by the design of the screw 101, the left cutting threads 102 are symmetrically distributed together, the internal threads are conveniently machined, the conical design of the cutting heads 103 can enable the cutting heads 103 to be easier to drill into a workpiece needing to be machined, the machining efficiency of the internal threads is improved, and when the internal threads are machined by the design of the discharge groove 104, the cut waste is discharged timely, so that the subsequent deep internal threads are not influenced;

the clamping mechanism 2 comprises a reinforcing rod 201, a square rod 202 and a clamping groove 203, wherein the square rod 202 is fixedly arranged at the rear end of the reinforcing rod 201, the clamping groove 203 is fixedly arranged at the inner side of the outer end of the square rod 202, the design of the reinforcing rod 201 can ensure the connection stability of a front-end main body structure and the square rod 202 at the rear end, so that the front-end main body structure is not easy to fall off when in operation, the clamping groove 203 arranged at the outer end of the square rod 202 can be used for connecting and reinforcing the connection structure, the stability of the structure is ensured, the front-end main body structure can be safer when in operation, and the falling-off condition can not occur; the reinforcing mechanism 4 comprises a fixing rod 401, a clamping rod 402, a reinforcing screw hole 403 and a limiting rod 404, wherein the clamping rod 402 is fixedly arranged at the outer end of the rear side of the fixing rod 401, the reinforcing screw hole 403 is fixedly arranged at the inner side of the outer end of the clamping rod 402, the limiting rod 404 is arranged at the lower end of the clamping rod 402 in a threaded manner, the rear end of the fixing rod 401 can be designed to drive the working power of the fixing rod to conduct so as to supply the power required by the working of the internal threads, and the clamping rod 402 and the reinforcing screw hole 403 can be designed to be connected with rear-end power equipment for reinforcing the fixing rod and the reinforcing screw hole 403 together, so that the stability of the structure is ensured, the falling-off condition can not occur when the front-end processing structure is driven to rotate at a high speed, and dangerous conditions are caused;

the connecting mechanism 5 comprises a connecting block 501, a connecting pipe 502 and a clamping block 503, wherein the connecting pipe 502 is fixedly arranged at the right end of the connecting block 501, the clamping block 503 is fixedly arranged in the connecting pipe 502, the connecting block 501 can interact with the sleeve 301 to ensure the connection stability, the connection stability is not easy to fall off, the clamping block 503 is arranged in the connecting block 502 to connect the connecting block with the clamping groove 203, the stability of structural connection is ensured, the power is conveniently transmitted to the screw 101 in front to rotate, and the internal threads of a workpiece are started to be processed; the sleeve 301 is matched with the fastening pipe 303, the sleeve 301 is matched with the fastening groove 304, the fastening pipe 303 is matched with the tightening ring 302, the discharge groove 104 is symmetrically distributed, the clamping groove 203 is matched with the clamping block 503, the fastening pipe 303 is matched with the reinforcing rod 201, the clamping rod 402 is symmetrically distributed, the reinforcing screw holes 403 are symmetrically distributed, the sleeve 301 is designed, the outer end of the connecting structure can be protected, the internal structure is not exposed, rust is not generated even if the connecting structure is used for a long time, and the stability of the structure is affected.

Working principle: this left-handed spiral tip screw tap, before carrying out work, the driving end centre gripping of power equipment is inside through the grip lever 402, tighten up spacingly through the reinforcement screw to it, guarantee the structural stability that links together, install the screw 101 with the inside fixture block 503 of connecting pipe 502 and the effect of draw-in groove 203 looks adaptation of front end, open power equipment, let the cutting head 103 of front end contact the work piece that needs to process, inside the left-handed thread 102 through setting up at the screw 101 outer end begins cutting the work piece, the sweeps that produces when cutting the internal thread, discharge it through the row silo 104, let it can not influence the internal thread processing, improve the efficiency of internal thread processing.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a left-hand cut spiral tip screw tap, includes main part mechanism (1), blocks and hold mechanism (2), protection machanism (3), strengthening mechanism (4) and coupling mechanism (5), its characterized in that: the clamping mechanism (2) is positioned at the rear end of the main body mechanism (1), the protection mechanism (3) is positioned at the rear side of the outer end of the clamping mechanism (2), the reinforcing mechanism (4) is positioned at the rear side of the protection mechanism (3), and the connecting mechanism (5) is positioned at the front end of the reinforcing mechanism (4);

the protection mechanism (3) comprises a sleeve (301), a tightening ring (302), a tightening pipe (303) and a tightening groove (304), wherein the tightening ring (302) is arranged at the front end of the sleeve (301) in a threaded mode, the tightening pipe (303) is arranged at the front end of the tightening ring (302) in a threaded mode, and the tightening groove (304) is fixedly arranged on the inner side of the rear end of the tightening ring (302).

2. A left-handed sharp tap according to claim 1 wherein: the main body mechanism (1) comprises a screw (101), left cutting threads (102), a cutting head (103) and a discharge groove (104), wherein the left cutting threads (102) are fixedly arranged at the outer end of the screw (101), the cutting head (103) is fixedly arranged at the right end of the screw (101), and the discharge groove (104) is fixedly arranged at the inner side of the outer end of the screw (101).

3. A left-handed sharp tap according to claim 2 wherein: the clamping mechanism (2) comprises a reinforcing rod (201), a square rod (202) and a clamping groove (203), wherein the square rod (202) is fixedly arranged at the rear end of the reinforcing rod (201), and the clamping groove (203) is fixedly arranged at the inner side of the outer end of the square rod (202).

4. A left-handed left cutting pointed tap according to claim 3, wherein: the reinforcing mechanism (4) comprises a fixing rod (401), a clamping rod (402), a reinforcing screw hole (403) and a limiting rod (404), wherein the clamping rod (402) is fixedly arranged at the outer end of the rear side of the fixing rod (401), the reinforcing screw hole (403) is fixedly arranged on the inner side of the outer end of the clamping rod (402), and the limiting rod (404) is in threaded installation at the lower end of the clamping rod (402).

5. A left-handed left cutting pointed tap according to claim 4, wherein: the connecting mechanism (5) comprises a connecting block (501), a connecting pipe (502) and a clamping block (503), wherein the connecting pipe (502) is fixedly arranged at the right end of the connecting block (501), and the clamping block (503) is fixedly arranged inside the connecting pipe (502).

6. The left-handed sharp tap of claim 5 wherein: the sleeve (301) is matched with the fastening pipe (303), the sleeve (301) is matched with the fastening groove (304), the fastening pipe (303) is matched with the tightening ring (302), and the discharge grooves (104) are symmetrically distributed.

7. The left-handed sharp tap of claim 6 wherein: the clamping groove (203) is matched with the clamping block (503), the fastening pipe (303) is matched with the reinforcing rod (201), the clamping rods (402) are symmetrically distributed, and the reinforcing screw holes (403) are symmetrically distributed.