Ratchet screw tap threading die wrench with quick-change head
By designing a quick-head ratchet tap tooth wrench, the existing tools have low machining efficiency and poor versatility in narrow spaces, and the rapid switching and multi-tool compatibility are achieved, which improves processing efficiency and scope of application.
Patent Information
- Application Number
- CN202421607557.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-09
AI Technical Summary
In the prior art, ordinary wrench tools need to be threaded using tap wrench and plate wrench respectively, which leads to time-consuming and labor-intensive operation, cannot be processed in a narrow space, and the product versatility is poor.
A quick-to-head ratchet tap tooth wrench is designed, combining the ratchet function and a removable handle to achieve quick switching of tap and tooth head, and increases versatility through the 72-tooth design and hexagonal shape. It is suitable for tools such as ordinary wrenches, sleeves and electric drills.
It improves thread processing efficiency, can operate in a narrow space, and expands the scope of application of tools, achieving compatible use with a variety of tools.
Smart Images

Figure CN223071269U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wrench tools, and particularly relates to a quick-change head ratchet tap and die wrench. Background Art
[0002] In machining, the small-size thread machining tools mainly include taps and dies. Taps are used for machining small-size internal threads, and dies are used for machining small-size external threads. The auxiliary tool for clamping a tap for internal thread machining is a tap wrench, and the auxiliary tool for clamping a die for external bolt machining is a die wrench.
[0003] At present, when using an ordinary wrench to machine external or internal threads, two wrenches need to be used separately to complete the operation. The process of machining threads is time-consuming and laborious, and it is impossible to complete the machining of small-angle threads in a narrow space, which affects the work efficiency. Moreover, ordinary tap wrenches and die wrenches cannot be matched with daily maintenance tools, and the product versatility is poor. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art, provide a quick-change head ratchet tap and die wrench, realize the ratchet function, improve the work efficiency, improve the head shape to increase the product versatility, and can be used in cooperation with ordinary wrenches, sockets, electric drills, etc., with a wide range of applications.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] The quick-change head ratchet tap and die wrench includes a first component and a second component. The first component includes a wrench body, a ratchet is arranged in the middle of the wrench body, and detachable handles are arranged on one side or both sides of the wrench body. The second component includes a die chuck, several fastening screw holes are arranged on the side wall of the die chuck, and a hexagonal head A matching the ratchet is arranged on the top. The die chuck of the second component can clamp different specifications of round dies or hexagonal dies, and screws are tightened in the fastening screw holes to prevent the die from slipping and falling off. During work, the ratchet of the first component is sleeved on the hexagonal head A, and the detachable handle is held by hand to apply force. The inside of the ratchet can be designed with 72 teeth to realize machining in a narrow space. In addition, the hexagonal shape of the hexagonal head A increases the product versatility and can also be used in cooperation with an ordinary wrench to apply additional force.
[0007] Preferably, a direction dial is arranged on the wrench body on one side of the ratchet, and the ratchet can be reversed by turning left and right.
[0008] Preferably, a level is arranged on the wrench body, and the level and the direction dial are respectively located on both sides of the ratchet. The level helps to find the horizontal and vertical angles during use.
[0009] Preferably, the handle connecting sections on one side or both sides of the wrench body for connecting the detachable handles are in a truncated cone or prism shape, and the design of widening the inner side increases the structural strength.
[0010] Preferably, the handle connecting section is in the shape of an octagonal pyramid.
[0011] Preferably, the inner wall of the ratchet is provided with a retaining ring groove, a retaining ring is provided in the retaining ring groove, and the outer wall of the hexagonal head A is provided with a retaining ring notch A, which can prevent the die chuck from falling off after assembly.
[0012] Preferably, a third component is also included, which includes a tap chuck and a tap nut at its lower part, and a hexagonal head B matching the ratchet is arranged on the top of the tap chuck. The tap chuck clamps taps of different specifications, and the tap is clamped at the opening of the chuck by tightening the tap nut. In addition, the hexagonal shape of the hexagonal head B increases the versatility of the product, and can also be used with an ordinary wrench for added force.
[0013] Preferably, the inner wall of the ratchet is provided with a retaining ring groove, a retaining ring is provided in the retaining ring groove, and the outer wall of the hexagonal head B is provided with a retaining ring notch B, which can prevent the tap chuck from falling off after assembly.
[0014] Preferably, the third component further comprises a handle, and the hexagonal head B is provided with a corresponding handle hole, and the third component itself processes threads by clamping the tap through the handle.
[0015] The advantages of the utility model are: 1. The tap and die wrench of the utility model realizes the ratchet function, quickly switches the tap head and the die head, improves work efficiency, improves the head shape and increases product versatility, can be used in conjunction with ordinary wrenches, sockets, electric drills, etc., and has a wide range of applications.
[0016] 2. The utility model adopts a detachable handle and an internal 72-tooth ratchet design, which can reduce the minimum rotation angle to 5° and can realize processing in a small space.
[0017] 3. The utility model adopts a quick paddle device to achieve fast forward and reverse switching. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The three-dimensional structure of the first component and the second component in the utility model Figure 1 ;
[0019] Figure 2 The three-dimensional structure of the first component and the second component in the utility model Figure 2 ;
[0020] Figure 3 It is a three-dimensional diagram of the first component in the utility model;
[0021] Figure 4 It is the top view of the first component in the present utility model;
[0022] Figure 5 It is the side view of the first component in the present utility model;
[0023] Figure 6 It is the perspective view of the second component in the present utility model;
[0024] Figure 7 It is the perspective view of the first component and the third component in the present utility model;
[0025] Figure 8 It is the perspective view of the third component in the present utility model.
[0026] Explanation of the main element symbols in the figure: 10, the first component; 11, the wrench body; 12, the ratchet; 13, the detachable handle; 14, the direction selector; 15, the level; 16, the snap ring groove; 17, the handle connection section;
[0027] 20, the second component; 21, the die head chuck; 22, the fastening screw holes; 23, the hexagonal head A; 24, the snap ring notch A;
[0028] 30, the third component; 31, the tap chuck; 32, the tap nut; 33, the hexagonal head B; 34, the snap ring notch B; 35, the handle; 36, the handle hole. Specific embodiments
[0029] For a clearer description of the present utility model, the present utility model will be further described below with reference to the accompanying drawings.
[0030] Embodiment 1: As Figures 1-5 shown, the quick-change head ratchet tap and die wrench includes a first component 10 and a second component 20. The first component 10 includes a wrench body 11. A ratchet 12 is provided in the middle of the wrench body 11. One side or both sides of the wrench body 11 are provided with detachable handles 13.
[0031] Combined with Figure 6 shown, the second component 20 includes a die head chuck 21. A plurality of fastening screw holes 22 are provided on the side wall of the die head chuck 21, and a hexagonal head A 23 matching the ratchet 12 is provided at the top.
[0032] Embodiment 2: As Figures 3-4 shown, on the basis of Embodiment 1, a direction selector 14 is provided on the wrench body 11 on one side of the ratchet 12. A level 15 is also provided on the wrench body 11. The level 15 and the direction selector 14 are respectively located on both sides of the ratchet 12.
[0033] Embodiment 3: As Figures 3-5As shown, based on the first embodiment or the second embodiment, the handle connection section 17 on one side or both sides of the wrench body 11 for connecting the detachable handle 13 is frustum-shaped or prismatic.
[0034] In this embodiment, the handle connection section 17 is octagonal prismatic, increasing the structural strength.
[0035] Embodiment Four: As Figure 3 and Figure 6 shown, based on the first embodiment, the second embodiment or the third embodiment, a snap ring groove 16 is provided on the inner wall of the ratchet 12, a snap ring is provided in the snap ring groove 16, and a snap ring notch A24 is provided on the outer wall of the hexagonal head A23.
[0036] Embodiment Five: As Figures 7-8 shown, based on the first embodiment or the second embodiment, a third component 30 is further included. The third component 30 includes a tap chuck 31 and a tap nut 32 below it. A hexagonal head B33 matching the ratchet 12 is provided at the top of the tap chuck 31.
[0037] Embodiment Six: As Figure 3 and Figure 8 shown, based on the fifth embodiment, a snap ring groove 16 is provided on the inner wall of the ratchet 12, a snap ring is provided in the snap ring groove 16, and a snap ring notch B34 is provided on the outer wall of the hexagonal head B33.
[0038] Embodiment Seven: As Figure 8 shown, based on the fifth embodiment or the sixth embodiment, the third component 30 further includes a handle 35, and a handle hole 36 is provided on the hexagonal head B33 opposite to it.
[0039] The above are only specific embodiments of the present invention, but the structural features of the present invention are not limited thereto. The present invention can be used for similar products, and any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.
Claims
1. Quick-change ratchet tap and die wrench, characterized in that: It includes a first component (10) and a second component (20). The first component (10) includes a wrench body (11), a ratchet (12) is arranged in the middle of the wrench body (11), and a detachable handle (13) is arranged on one or both sides of the wrench body (11); The second component (20) includes a die holder (21), a plurality of fastening screw holes (22) are arranged on the side wall of the die holder (21), and a hexagonal head A (23) matching the ratchet (12) is arranged on the top; The handle connection section (17) for connecting the detachable handle (13) on one or both sides of the wrench body (11) is frustum-shaped or prismatic; It further includes a third component (30). The third component (30) includes a tap chuck (31) and a tap nut (32) below it. A hexagonal head B (33) matching the ratchet (12) is arranged on the top of the tap chuck (31).
2. The quick-change head ratchet tap and die wrench according to claim 1, characterized in that: A direction dial (14) is arranged on the wrench body (11) on one side of the ratchet (12).
3. The quick-change head ratchet tap and die wrench according to claim 2, wherein: A level (15) is arranged on the wrench body (11), and the level (15) and the direction dial (14) are respectively located on both sides of the ratchet (12).
4. The quick-change head ratchet tap and die wrench according to claim 1, wherein: The handle connection section (17) is octagonal prismatic.
5. The quick-change head ratchet tap and die wrench according to claim 1, characterized in that: A snap ring groove (16) is arranged on the inner wall of the ratchet (12), a snap ring is arranged in the snap ring groove (16), and a snap ring notch A (24) is arranged on the outer wall of the hexagonal head A (23).
6. The quick-change head ratchet tap and die wrench according to claim 1, characterized in that: A snap ring groove (16) is arranged on the inner wall of the ratchet (12), a snap ring is arranged in the snap ring groove (16), and a snap ring notch B (34) is arranged on the outer wall of the hexagonal head B (33).
7. The quick-change ratchet tap and die wrench according to claim 1, characterized in that: The third component (30) further includes a handle (35), and a handle hole (36) is arranged on the hexagonal head B (33) opposite to it.