CN223289097U

CN223289097U - A tap wrench

Info

Publication number: CN223289097U
Application number: CN202421966558.0U
Authority: CN
Inventors: 陆盛锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-08-14
Filing date: 2024-08-14
Publication date: 2025-09-02
Anticipated expiration: 2034-08-14

Abstract

A tap wrench relates to the technical field of wrench tools. The tap wrench includes a tap tumbler frame, handles at both ends of the tap tumbler frame, a fixed jaw block within the tap tumbler frame, a movable jaw block, and an adjustment screw. An adjustment screw hole is provided on the end surface of the tap tumbler frame opposite the fixed jaw block. The screw portion of the adjustment screw is disposed within the adjustment screw hole, and the head of the adjustment screw abuts against the tail of the movable jaw block. The tap wrench of the utility model changes the existing tap wrench connection structure in which the movable jaw block is driven by the handle. The handle is not connected to the handle, realizing the function of simultaneously removing the handles at both ends of the wrench, making it suitable for use in confined spaces. In addition, the tap handle adopts a plug-in connection structure, which enables quick disassembly and assembly, improving efficiency.

Description

Tap wrench

Technical Field

The utility model relates to the technical field of wrench tools, in particular to a tap wrench.

Background

The bench worker is the oldest metal processing technology in machine manufacturing, and tapping is a basic operation skill of bench worker processing, the screw tap is used for processing small-size internal thread, the die is used for processing small-size external thread, the auxiliary tool used for clamping the screw tap and processing internal thread is a screw tap wrench, and the auxiliary tool used for clamping the die and processing external bolt is a die wrench.

At present, the conventional tap wrench comprises a fixed block, a movable block and two handles, wherein the movable block is connected with one of the handles, and the movable block is regulated by the handle to realize the clamping function, and the structure has the problems that 1, when in work, only one handle can be disassembled, the tap wrench cannot be used in a narrow space, and the product package volume is large due to the fact that one handle cannot be disassembled, and the cost of package and the like is increased; 2, the adjusting handle and the movable block of the wrench are complex in processing and complex in product assembly, 3, the wrench clamping range is limited, the movable sliding block cannot be quickly replaced to adjust the clamping range, and 4, the wrench is not provided with a horizontal calibrator to assist in locating the workpiece horizontally, so that the inclination phenomenon of threads and even the situation of tap fracture are easy to occur.

In addition, the handles of the existing screw tap and die wrench are basically in threaded connection, so that the screw tap and die wrench are inconvenient to assemble and disassemble, and time and labor are wasted.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a tap wrench, which changes the connecting structure of a movable claw block driven by a handle of the existing tap wrench, is not connected with the handle, realizes the function that handles at two ends of the wrench can be detached simultaneously, can be used in a narrow space, and adopts a plug-in connecting structure for the handles of the tap and a die wrench, thereby realizing quick assembly and disassembly and improving the efficiency.

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

The tap wrench comprises a tap hinge hand frame, handles at two ends of the tap hinge hand frame, a fixed jaw block, a movable jaw block and an adjusting screw, wherein the fixed jaw block, the movable jaw block and the adjusting screw are arranged on one end face, opposite to the fixed jaw block, of the tap hinge hand frame, an adjusting screw hole is formed in the end face, opposite to the fixed jaw block, of the tap hinge hand frame, a screw portion of the adjusting screw is arranged in the adjusting screw hole, and the head of the adjusting screw abuts against the tail of the movable jaw block. The length of the screw rod of the adjusting screw extending out of the adjusting screw hole can be changed by screwing the adjusting screw, so that the clamping range adjusting and clamping functions of the adjusting screw are realized.

Preferably, the handle is of a detachable structure, two ends of the screw tap hinge handle frame are provided with handle holes, the handle holes are of an internal thread structure, and the end part of the handle is provided with corresponding threads.

Preferably, the adjusting screw hole and the handle hole at one end of the adjusting screw hole are of a communicating structure with the same size, and the adjusting screw hole and the handle hole are formed by one-step processing, so that the processing procedure is simplified.

Preferably, the handle is of a detachable structure, handle holes are formed in two ends of the screw tap hinge handle frame, the inner walls of the handle holes are smooth, at least two wave bead screw holes I communicated with the handle holes are formed in the handle holes, wave bead screws are arranged in the wave bead screw holes, and corresponding steel bead ring grooves are formed in the end portions of the handle. The ball screw is a derivative of the set screw, and consists of a spring, steel balls and a shell, wherein the steel balls fall into the steel ball ring grooves under the force of the spring after the handle is installed, so that the handle is fixed, and the handle is pulled out during the disassembly. In addition, inwards screw up ripples pearl screw, will firmly hold up the handle, can prevent to use under the condition of hard the handle roll-off.

Preferably, the screw tap hinged handle frame and the fixed claw block are integrally formed, so that the number of parts is reduced, and the processing and assembling procedures are simplified.

Preferably, the surface of the screw tap hinge hand frame is provided with a level meter mounting hole, and a level meter is arranged in the screw tap hinge hand frame. The surface of the screw tap hinged hand frame is provided with enough space for installing a level gauge, and the level gauge is assisted in level alignment.

Preferably, a limiting column is arranged in the middle of the head of the adjusting screw, a limiting column hole is formed in the tail of the movable claw block, and the diameter of the limiting column is smaller than that of the limiting column hole. The movable claw block is sleeved on the limiting column, the effect of limiting and preventing the movable claw block from falling off is achieved, and when the adjusting screw rotates, the limiting column rotates freely in the limiting column hole synchronously.

Preferably, the surface of the movable claw block is provided with a fixed screw hole communicated with the limit column hole, or the surface of the movable claw block is provided with two symmetrically distributed fixed screw holes communicated with the limit column hole, and the fixed screw holes are internally provided with fixed screws. The fixing screw can be screwed down to fix between the movable claw block and the adjusting screw, the adjusting screw can not rotate, and the fixing screw can be screwed down when the adjusting screw is needed to be adjusted.

Preferably, a circle of annular groove is formed in the side wall of the limiting column, and after the fixing screw is screwed down, the end of the fixing screw falls into the annular groove to limit the axial movement of the movable claw block.

Preferably, the head of the adjusting screw is provided with anti-skid threads.

The die wrench comprises a die reaming hand frame and handles at two ends of the die reaming hand frame, wherein the handles are of detachable structures, handle holes are formed in the two ends of the die reaming hand frame, the inner walls of the handle holes are smooth, at least two wave bead screw holes II communicated with the handle holes are formed in the inner walls of the handle holes, wave bead screws are arranged in the wave bead screw holes, and corresponding steel bead ring grooves are formed in the end parts of the handles. The ball screw is a derivative of the set screw, and consists of a spring, steel balls and a shell, wherein the steel balls fall into the steel ball ring grooves under the force of the spring after the handle is installed, so that the handle is fixed, and the handle is pulled out during the disassembly.

The utility model has the advantages that 1, the connecting structure of the movable claw block driven by the handle of the existing tap wrench is changed, the movable claw block is not connected with the handle, the function that handles at two ends of the wrench can be simultaneously disassembled is realized, the tap wrench can be used in a narrow space, meanwhile, the product packaging volume is reduced, and the cost of packaging and the like is reduced.

2. The tap wrench is simple and convenient to process, and particularly the handle and the movable block are simple and quick to process and assemble.

3. The tap wrench can quickly replace movable jaw blocks with different sizes, so that the clamping function of taps with different specifications is realized.

4. The tap wrench is provided with a horizontal calibrator to assist in finding the horizontal of the workpiece, so that the phenomenon of inclination of threads and even the situation of tap breakage are avoided.

5. The handles of the screw tap and the die wrench adopt plug-in type connecting structures, so that quick assembly and disassembly are realized, and the efficiency is improved.

Drawings

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

FIG. 2 is a front view of the tap wrench of the present utility model;

FIG. 3 is a cross-sectional view of the tap wrench of the present utility model;

FIG. 4 is a perspective view of a tap holder according to the utility model;

FIG. 5 is a cross-sectional view of the tap holder of the utility model;

FIG. 6 is a perspective view of a moveable jaw block of the present utility model;

FIG. 7 is a perspective view of an adjustment screw according to the present utility model;

FIG. 8 is a perspective view of a handle of the present utility model;

FIG. 9 is a perspective view of a plate wrench in accordance with the present utility model;

fig. 10 is a partial cross-sectional view of a die wrench in accordance with the present utility model.

The main element symbols in the figure are 10, a screw tap hinged hand frame, 11, an adjusting screw hole, 12, a handle hole, 13, a wave bead screw hole I, 14 and a level gauge mounting hole;

20. 21, steel ball ring groove;

30. A fixed claw block;

40. A movable claw block; 41, limit column holes, 42, fixing screw holes;

50. adjusting screws, 51, limit posts, 52, ring grooves, 53 and anti-skid patterns;

60. a wave bead screw;

70. A die handle frame and 71 a wave bead screw hole II.

Detailed Description

In order to more clearly illustrate the utility model, the utility model is further described below with reference to the accompanying drawings.

1-3, A tap wrench comprises a tap reamer hand frame 10, handles 20 at two ends of the tap reamer hand frame 10, a fixed jaw block 30, a movable jaw block 40 and an adjusting screw 50 in the tap reamer hand frame 10.

Referring to fig. 4 to 7, an adjusting screw hole 11 is formed in an end surface of the tap hinge handle 10 opposite to the fixed jaw 30, a screw portion of the adjusting screw 50 is formed in the adjusting screw hole 11, and a head portion of the adjusting screw 50 abuts against a tail portion of the movable jaw 40.

The tap hinge handle frame 10 and the fixed jaw 30 are integrally formed, and the head of the adjusting screw 50 is provided with anti-slip threads 53.

In the second embodiment, on the basis of the first embodiment, the handle 20 is of a detachable structure, two ends of the tap hinge handle frame 10 are provided with handle holes 12, the handle holes 12 are of an internal thread structure, the end of the handle 20 is provided with corresponding threads, and the adjusting screw hole 11 and the handle hole 12 at one end of the adjusting screw hole are of a communication structure with the same size.

In the third embodiment, as shown in fig. 1-5 and fig. 8, on the basis of the first embodiment, the handle 20 is of a detachable structure, two ends of the tap hinge handle frame 10 are provided with handle holes 12, the inner walls of the handle holes 12 are smooth, at least two wave bead screw holes I13 communicated with the handle holes 12 are provided, wave bead screws 60 are provided in the wave bead screw holes, and corresponding steel bead ring grooves 21 are provided at the ends of the handle 20.

Fourth embodiment as shown in fig. 4-5, on the basis of the first embodiment, the surface of the tap reamer hand frame 10 is provided with a level gauge mounting hole 14, and a level gauge is arranged therein.

In the fifth embodiment, as shown in fig. 3 and fig. 6 to 7, on the basis of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment, a limiting post 51 is disposed in the middle of the head of the adjusting screw 50, a limiting post hole 41 is disposed at the tail of the movable claw block 40, and the diameter of the limiting post 51 is smaller than that of the limiting post hole 41.

In the sixth embodiment, as shown in fig. 6, on the basis of the fifth embodiment, a fixed screw hole 42 is formed on the surface of the movable claw block 40 and is communicated with the limiting post hole 41, or two symmetrically distributed fixed screw holes 42 are formed on the surface of the movable claw block 40 and are communicated with the limiting post hole 41, and fixed screws are arranged in the fixed screw holes 42.

As shown in fig. 7, a ring of ring grooves 52 are provided on the side wall of the limiting post 51.

8-10, The die wrench comprises a die hinge hand frame 70 and handles 20 at two ends of the die hinge hand frame 70, wherein the handles 20 are of detachable structures, handle holes are formed in two ends of the die hinge hand frame 70, the inner walls of the handle holes are smooth, at least two wave bead screw holes II71 communicated with the handle holes are formed in the inner walls of the handle holes, wave bead screws 60 are arranged in the wave bead screw holes, and corresponding steel bead ring grooves 21 are formed in the ends of the handles 20.

The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and the present utility model may be applied to similar products, and any person skilled in the art who is skilled in the field of the present utility model shall make changes or modifications within the scope of the present utility model.

Claims

1. The tap wrench is characterized by comprising a tap reaming frame (10), handles (20) at two ends of the tap reaming frame (10), a fixed claw block (30), a movable claw block (40) and an adjusting screw (50) in the tap reaming frame (10);

an adjusting screw hole (11) is formed in one end face, opposite to the fixed jaw block (30), of the screw tap hinge hand frame (10), a screw rod portion of an adjusting screw (50) is arranged in the adjusting screw hole (11), and the head portion of the adjusting screw (50) abuts against the tail portion of the movable jaw block (40).

2. The tap wrench as claimed in claim 1, wherein the handle (20) is of a detachable structure, the two ends of the tap hinge frame (10) are provided with handle holes (12), the handle holes (12) are of an internal thread structure, the end of the handle (20) is provided with corresponding threads, and the adjusting screw hole (11) and the handle hole (12) at one end of the adjusting screw hole are of a communicating structure with the same size.

3. The tap wrench as claimed in claim 1, wherein the handle (20) is of a detachable structure, two ends of the tap hinge frame (10) are provided with handle holes (12), the inner wall of each handle hole (12) is smooth, at least two wave bead screw holes I (13) communicated with each handle hole (12) are formed, wave bead screws (60) are arranged in the wave bead screw holes I, and corresponding steel bead ring grooves (21) are formed in the end parts of the handle (20).

4. A tap wrench as claimed in claim 1, wherein the tap holder (10) is integrally formed with the fixed jaw (30).

5. A tap wrench as claimed in claim 4, wherein the tap holder (10) has a level mounting hole (14) in the surface thereof, in which a level is arranged.

6. The tap wrench as claimed in claim 1, wherein a limit post (51) is provided in the middle of the head of the adjusting screw (50), a limit post hole (41) is provided at the tail of the movable jaw block (40), and the diameter of the limit post (51) is smaller than that of the limit post hole (41).

7. The tap wrench as claimed in claim 6, wherein a fixing screw hole (42) communicated with the limit post hole (41) is formed in the surface of the movable jaw block (40), or two symmetrically distributed fixing screw holes (42) communicated with the limit post hole (41) are formed in the surface of the movable jaw block (40), and fixing screws are arranged in the fixing screw holes (42).

8. The tap wrench as claimed in claim 7, wherein the side wall of the limiting post (51) is provided with a ring groove (52).

9. Tap wrench according to any one of claims 1-8, characterised in that the head of the adjusting screw (50) is provided with anti-slip threads (53).