CN220533156U - Fastening type multifunctional hand tap wringer - Google Patents

Abstract

When drilling and tapping, the clamping force of the tap is insufficient, and even the tap falls off from the reamer. The utility model provides a fastening type multifunctional hand tap wring hand, which comprises a fixed part and a movable part, wherein the fixed part comprises a wring hand frame and a fixed handle, two through holes are formed in the fixed part, and an isosceles right triangle groove is formed in the middle of the inner wall of the wring hand frame; the movable part is a movable clamping block, an isosceles right triangle groove is arranged in the middle of the inner wall of the clamping block, and two through holes are also formed in the middle of the inner wall of the clamping block; the screw tap is characterized by comprising a screw tap handle, two bolts and two nuts, wherein the two bolts are used for connecting the fixed part and the movable part of the screw tap handle together through two through holes of the fixed part and two through holes of the movable part, and then the two nuts are screwed on the two bolts, so that two corresponding isosceles right triangle grooves form a square clamping hole. The tap can not be loosened by tapping, and the tap is more fastened during tapping, so that the tap is not easy to loosen and fall off.

Description

Fastening type multifunctional hand tap wringer

Technical Field

The utility model relates to a fastening type multifunctional hand tap wrench, which is formed by a fixed wrench frame, a movable clamp block matched with the fixed wrench frame and a tap wrench.

Background

When internal threads are drilled, the tap is fastened by screwing the tap handle by using the conventional tap wringer. Pressure and rotation force to the tap handle make the rotation of tap handle different degree when processing the internal thread, lead to the clamping force of screw tap insufficient, often need to use glue to hold the pincers and go again to screw, influence the work progress, the clamping force is also not strong, even the screw tap drops from the hank. When the diameter difference of the machined internal thread holes is too large, screw tap twisting hands with different sizes need to be replaced, and the like, so that a great deal of inconvenience is brought to work.

In order to solve the above problems, chinese patent application publication CN201799970U discloses a tap holder having a compression spring formed between a top block and a holder frame on a portion of a right handle extending into the holder frame, wherein one end of the tap holder block is the holder frame itself, and the other end of the tap holder block is adapted to clamp the tap by using the elastic force of the compression spring, and the tap holder block can clamp the tap by a simple operation, so that the clamping force of the tap is increased, but the situation that the clamping force of the tap is not strong enough due to the rotation of the tap handle when the internal thread is formed still exists. Chinese patent specification CN205074972U discloses a tap wrench capable of rotating upward by 90 ° to change the length of the handle with a connecting sleeve, the tap wrench uses two loose clamp blocks, the fixing property of the tap is poor, and the tap is easy to shake up and down.

Disclosure of Invention

The technical problem solved by the utility model is to provide a fastening type multifunctional screw tap wrench aiming at the defects in the prior art, wherein a screw bolt and a screw nut are connected to form a screwing mode of a clamping screw tap.

As shown in fig. 1, 2,3, 4, 5 and 5, the tap wrench comprises a fixed part and a movable part, wherein the fixed part comprises a wrench frame 1 and a fixed handle 12, the wrench frame 1 is provided with two through holes, namely a first through hole 8 and a second through hole 9, and an isosceles right triangle groove is formed in the middle of the inner wall of the wrench frame 1; the movable part is a movable clamping block, an isosceles right triangle groove is arranged in the middle of the inner wall of the clamping block, two through holes matched with the wring hand frame 1 are respectively a third through hole 10 and a fourth through hole 11; the screw tap comprises two bolts 13 and two nuts 14, wherein one bolt of the two bolts 13 passes through a first through hole 8 of the handle frame 1 and a third through hole 10 on the movable clamping block, the other bolt passes through a second through hole 9 of the handle frame 1 and a fourth through hole 11 on the movable clamping block, a fixed part and a movable part of the screw tap handle are connected together, and then the two nuts 14 are screwed on the two bolts 13, so that two corresponding isosceles right triangle grooves form a square clamping hole. When the internal thread is to be processed, the square clamping hole is used for clamping the tap head, and the internal thread is processed. For convenient use, the clamping holes on both sides can be screwed without a wrench, so that the two nuts 14 can be replaced by the butterfly nuts 15, and the nuts can be screwed and loosened conveniently without a wrench.

If the screw tap is rotated and fixed during processing the internal thread, as shown in fig. 5 and 6, another technical scheme is provided, and the two ends of the fixed part are provided with the fixed handles 12, a non-through hole is respectively processed at the two ends of the fixed handles 12, the internal thread is processed in the non-through hole, and when the internal thread is processed, the two movable handles 16 with external threads can be screwed into the non-through hole internal threads at the two ends of the fixed handles 12, so that the handles are lengthened, and the manual processing of the internal thread is more labor-saving.

In order to prevent the bolts and nuts from falling off frequently and not being found, as shown in fig. 1 and 5, two through holes of the fixed part wring frame 1 are inner threaded holes matched with outer threads of the bolts 13 and are processed by the first through holes 8 and the second through holes 9, the bolts can be screwed out and screwed, or the two bolts are screwed and fixed on the two through holes 8 and 9 of the wring frame 1, the fixed part and the two bolts form a whole, the two bolts are not easy to loose and fall off or cannot be found, and the bolts are broken and can be replaced.

The tap wrench has a smaller size range of the tap head, thus providing a technical proposal, as shown in figures 1, 2,3, 4 and 5, two isosceles right triangle grooves 2 and 3 are respectively arranged between the upper and lower sides of the inner wall of the wrench frame 1 of the fixed part, two isosceles right triangle grooves 4 and 5 are respectively arranged between the upper and lower sides of the inner wall of the movable clamp block, the fixed part and the movable part of the tap wrench are connected together, then two nuts 14 are screwed on two bolts 13, so that two isosceles right triangle grooves corresponding to the isosceles right triangle grooves form a square clamping hole, the isosceles right triangle grooves 2 of the inner wall of the wrench frame 1 of the fixed part and the isosceles right triangle grooves 4 on the inner wall of the movable clamp block form a square clamping hole 6, the isosceles right triangle grooves of the inner wall of the wrench frame 1 of the fixed part, 3 and isosceles right triangle grooves 5 on the inner wall of the movable clamping block form a square clamping hole 7, the square clamping hole 6 and the square clamping hole 7 are respectively arranged on two opposite sides of the screw tap changing twisting handle, the side lengths of the square clamping hole 6 and the square clamping hole 7 are different, a small square is suitable for clamping a relatively small screw tap head, a large square is suitable for clamping a relatively large screw tap head, the range of the screw tap head is enlarged, the screw tap twisting handle also increases the application range, as shown in figures 2 and 3, the isosceles right triangle groove 3 on the upper half part of the twisting handle frame 1 of the fixed part and the middle isosceles right triangle groove 5 on the upper half part of the movable clamping block are made into right-angle side lengths of 6mm, the isosceles right triangle groove 2 on the lower half part of the twisting handle frame 1 of the fixed part and the middle isosceles right triangle groove 4 on the upper half part of the movable clamping block are made into right-angle side lengths of 3mm, as shown in figure 1, the fixed wring frame in fig. 2,3, 4 and 5 forms a square with the side length of the clamping hole 7 being 6mm when the upper half parts of the fixed wring frame and the clamping block are tightly connected, and forms a square with the side length of the clamping hole 6 being 3mm when the lower half parts of the fixed wring frame and the clamping block are tightly connected; the applicable tap size range is wide M5-M22, the square clamping hole of 3mm is applicable to clamp a small tap head, and the square clamping Kong Shiyong of 6mm clamps a large tap head. The upper part and the lower part are provided with two square clamping holes with different side lengths, so that the applicable clamping tap head has wider size range.

In order to be convenient to carry and store, the total length of the fixed screw tap twisting handle is smaller, and is 126mm.

However, the total length of the fixed tap reamer is small, so that the labor is wasted when the internal thread is machined, and the larger thread is machined when the larger internal thread is tapped particularly, so that another technical scheme is provided, the movable handle 16 of the handles with different lengths can be replaced, the length of the tap reamer can be conveniently adjusted, and the internal thread can be machined more easily and easily.

The device is convenient to install and use, high in applicability, low in manufacturing cost and suitable for popularization and use.

Drawings

FIG. 1 is a perspective view of a tap holder fixed holder frame;

FIG. 2 is a perspective view of a movable clamp block mated with the fixed portion frame of the tap holder;

FIG. 3 is a perspective view of the tap holder with the fixed holder frame in spaced relation to the movable clamp block;

FIG. 4 is a perspective view of the screw tap holder with the fixed holder frame in close engagement with the movable clamp block;

FIG. 5 is a partial cross-sectional view of the tap holder in combination;

FIG. 6 is a perspective view of two alternative handles of the tap holder;

Detailed Description

Embodiments of the tap holder according to the present utility model will be described in detail with reference to the accompanying drawings.

Embodiment 1: as shown in fig. 1, 2,3, 4 and 5, the movable clamping block matched with the fixed winch frame is placed in the fixed winch frame, after the fixed winch frame and the two isosceles right triangle grooves on the clamping block are tightly connected, a small clamping hole 6 forming a square clamping screw tap is formed, two bolts 14 penetrate through holes 8 and 9 on the fixed winch frame and through holes 10 and 11 on the movable clamping block matched with the fixed winch frame, two nuts/14 are screwed on the bolts 13, the nuts are screwed to enable the clamping hole 2 to clamp the screw tap head better, and high-quality internal threads are processed; for convenience, two wing nuts 15 can be screwed on the bolt 10, so that the manual operation is facilitated without a spanner; the movable handle 7 with external threads can be screwed into the internal threads of the blind holes at the two ends of the fixed handle 6 of the screw tap hank, and the handle is lengthened, so that the manual processing of the internal threads is more labor-saving.

Embodiment 2: as shown in FIG. 5, the handles 12 are fixed at two ends of the handle frame, the handles 12 are provided with non-through holes with the length of 20mm, internal threads are processed in the holes, external threads on the movable handle 16 are matched with the internal threads of the handles 12 at two ends, the movable handle 16 can be screwed out and screwed in, when the movable handle 16 is screwed in the non-through holes with the length of 20mm of the handles 12 at two ends of the handle frame, the length of the tap handle is prolonged, the internal threads can be easily processed, and the tap handle is provided with movable handles 16 with different lengths, and can form tap handles with different lengths according to requirements.

Embodiment 3: as shown in FIG. 2, the movable clamping block part is constructed in a way that two bolt holes 10 and 11 on the movable clamping block are not provided with internal threads, and the diameter of the bolt holes is 0.5mm larger than that of the bolt holes on the wringing handle frame, so that the clamping block can slide up and down when a screw tap is clamped, and the screw tap wringing handle frame can be conveniently and quickly installed.

Embodiment 4: as shown in fig. 1, 3 and 4, two through holes 8 and 9 in the fixed part wring frame are processed into internal threaded holes, and are matched with external threads of two bolts, so that the two bolts can be screwed out and screwed on the two holes 8 and 9 of the wring frame 1, thus the fixed part and the two bolts form a whole, the two bolts are not easy to loose and fall off or cannot be found, and the bolts are damaged and can be replaced.

Embodiment 5: as shown in fig. 1, 2,3, 4 and 5, two right-angle side lengths are respectively 3mm triangle grooves 2 and 4 in the middle of two sides on the upper surface of the fixed winch frame and the clamping block, two right-angle side lengths are respectively 6mm triangle grooves 3 and 5 in the middle of two sides on the upper surface of the fixed winch frame and the clamping block, namely the side lengths of the two right-angle grooves on the upper side and the lower side are different, a square clamping hole 6 with the side length of 3mm is formed when the small isosceles right-angle triangle groove 2 of the fixed part and the small isosceles right-angle triangle groove 4 of the movable clamping block are tightly connected, and a square clamping hole 7 with the side length of 6mm is formed when the small isosceles right-angle triangle groove 3 of the fixed part and the small isosceles right-angle triangle groove 5 of the movable clamping block are tightly connected; the applicable tap size range is wide M5-M22, the 3mm square clamping hole 6 is applicable to small tap heads, and the 6mm square clamping hole 7 is applicable to large tap heads.

Embodiment 6: as shown in fig. 1, 2,3, 4, 5 and 6, the clamping block for fastening the screw tap by the screw tap wrench is independently separated from the handle, the pressure of the clamping block to the screw tap is irrelevant to the screwing degree of the handle, the pressure to the handle and the rotation of the handle do not influence the clamping force of the screw tap when the internal thread is processed, the screw tap can be fastened by only rotating the butterfly nut by hands, and the internal thread can be easily processed by matching with movable handles with different lengths.

Claims (1)

1. The screw tap wrench comprises a fixed part and a movable part, wherein the fixed part comprises a wrench frame (1) and a fixed handle (12), the wrench frame (1) is provided with two through holes, namely a first through hole (8) and a second through hole (9), and an isosceles right triangle groove is formed in the middle of the inner wall of the wrench frame (1); the movable part is a movable clamping block, an isosceles right triangle groove is arranged in the middle of the inner wall of the clamping block, two through holes matched with the wringing handle frame (1) are respectively a third through hole (10) and a fourth through hole (11); and two bolts (13), two nuts (14), characterized in that: one of the two bolts (13) passes through a first through hole (8) of the wringing frame (1) and a third through hole (10) on the movable clamping block, the other bolt passes through a second through hole (9) of the wringing frame (1) and a fourth through hole (11) on the movable clamping block, a fixed part and a movable part of the screw tap wringing handle are connected together, and two nuts (14) are screwed on the two bolts (13) to enable two corresponding isosceles right triangle grooves to form a square clamping hole.