A special tap for hand electric drill

By designing the structure of assembly sleeve, locking rod, connecting seat, stabilizing frame, process limit frame and limit assembly in the flash drill tap, the problems of offset slippage and hole depth during the rotation of the flash drill tap are solved, and the stability and accuracy of the tap are improved, and the drilling efficiency is improved.

CN222725655UActive Publication Date: 2025-04-08SICHUAN CHUANHAO PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202421507091.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-04-08
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing flash drill taps are prone to offset and slippage during rotation, resulting in tilting of the drill holes and difficulty in controlling the depth of the holes in non-through holes, affecting working efficiency.

Method used

A special tap for electric drill is designed, using the structure of assembly sleeve, locking rod, connecting seat, stabilizing frame, process limit frame and limit assembly. Through components such as hexagonal positioning handle, positioning ring and compression spring, the stability and positioning accuracy of the tap are improved, offset and slip, and the drilling depth is controlled through the process limit frame.

Benefits of technology

It effectively improves the stability of tap rotation, prevents the drilling hole from tilting, ensures accurate control of the hole depth of non-through holes, and improves the drilling accuracy and work efficiency of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special tap for a hand electric drill, belonging to the technical field of taps, comprising a taper handle, the end of the taper handle is connected to the inside of an assembly sleeve through a locking rod, one end of the assembly sleeve is connected to a triangular connecting handle through a connecting rod, and the surface of the connecting rod is rotatably connected to a mounting plate; a stabilizing frame, the bottom of the mounting plate is movably connected to the stabilizing frame through a connecting seat, a limiting component for assisting the tap in drilling a hole is arranged inside the stabilizing frame, a process limiting frame for limiting the hole turning depth of the tap is movably installed on the inner surface of the stabilizing frame, and a positioning ring for positioning when turning the hole is connected to one end of the stabilizing frame; the utility model can further improve the stability of the rotation of the tap, effectively reduce the deviation and slippage in the rotation process, prevent the occurrence of tilted drilling, and when processing the hole position, the hole position depth of non-through holes can be effectively controlled, effectively improve the drilling accuracy, and improve the work efficiency of the staff.
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Description

Technical Field

[0001] The utility model relates to the technical field of taps, in particular to a special tap for hand electric drills. Background Art

[0002] The hand drill is one of the commonly used drilling equipment. Among them, the manually controlled electric drill is portable, easy to operate, and highly efficient. It is widely used in all aspects of construction. The tap is a tool for processing internal threads. It has grooves along the axial direction and is also called a screw tap. Taps are divided into straight groove taps and spiral groove taps according to their shapes. Straight groove taps are easy to process, with slightly lower precision and higher output. They are generally used for thread processing on ordinary lathes, drilling machines and tapping machines, and the cutting speed is relatively slow. Spiral groove taps are mostly used for drilling blind holes in CNC machining centers. They have faster processing speeds, higher precision, better chip removal, and better centering. Taps are the most important tools for operators in the manufacturing industry to process threads.

[0003] However, when the existing hand drill tap is rotated to the target, since there is no limit device, the rotation angle of the tap is easily offset and slipped during the rotation process, which may cause the drilling to be tilted. In addition, when processing the target hole position, the hole depth of the non-through hole is difficult to grasp, and it is inconvenient to adjust the drilling depth, which affects the work efficiency of the staff. Therefore, we need to propose a special tap for hand drills. Utility Model Content

[0004] The purpose of the utility model is to provide a special tap for a hand electric drill, which can further improve the stability of the tap rotation, effectively reduce the deviation and slipping during the rotation process, prevent the drilling hole from tilting, and when processing the hole position, can effectively control the hole position depth of non-through holes, effectively improve the drilling accuracy, improve the work efficiency of the staff, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides: a special tap for a hand electric drill, comprising a taper handle, the end of the taper handle is connected to the inside of an assembly sleeve through a locking rod, one end of the assembly sleeve is connected to a triangular connecting handle through a connecting rod, and the surface of the connecting rod is rotatably connected to a mounting plate; a stabilizing frame, the bottom of the mounting plate is movably connected to the stabilizing frame through a connecting seat, a limiting component for assisting the tap in drilling a hole is arranged inside the stabilizing frame, a process limiting frame for limiting the depth of the tap turning a hole is movably installed on the inner surface of the stabilizing frame, and one end of the stabilizing frame is connected to a positioning ring for positioning when turning a hole.

[0006] Preferably, the end of the tapered handle is connected to a hexagonal positioning handle, the hexagonal positioning handle is movably clamped in the interior of the assembly sleeve, the locking rod movably passes through the interior of the hexagonal positioning handle through the assembly sleeve, and a cutter head is provided on the other end surface of the tapered handle.

[0007] Preferably, one side of the mounting plate is connected to a limiting frame, and the surface of the tapered handle is rotatably connected to the limiting frame via a mounting sleeve.

[0008] Preferably, the limiting assembly includes: a connecting guide rod rotatably connected to the inner wall of the stabilizing frame, and a compression spring sleeved on the surface of the connecting guide rod; wherein a limiting groove is provided on the surface of the connecting seat, the inner wall of the limiting groove is slidably connected to the surface of the connecting guide rod, and one end of the compression spring is connected to the surface of the connecting seat.

[0009] Preferably, both ends of the connecting seat are connected to limiting slide blocks, both sides of the stabilizing frame are provided with limiting sliding grooves, and the surface of the limiting slide block is slidably connected to the inner wall of the limiting sliding groove.

[0010] Preferably, both ends of the process limit frame are slidably connected to the inner wall of the limit slide groove, the end of the process limit frame is connected with a fastening screw, and the fastening screw extends to both sides of the stabilizing frame through the limit slide groove, and the surface of the fastening screw is threadedly connected with a locking sleeve.

[0011] Preferably, the positioning rings are respectively arranged on both sides of the cone handle, and the surface of the positioning ring is provided with an anti-slip strip.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a kind of utility model discloses the utility model discloses a kind of ... BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the tap of the utility model;

[0015] Figure 2 This is a schematic diagram of the assembly sleeve structure of the utility model;

[0016] Figure 3 This is a schematic diagram of a stable frame structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the process limit frame structure of the utility model.

[0018] In the figure: 1. Taper handle; 2. Cutter head; 3. Hexagonal positioning handle; 4. Assembly sleeve; 5. Connecting rod; 6. Triangular connecting handle; 7. Locking rod; 8. Mounting plate; 9. Connecting seat; 10. Limiting groove; 11. Limiting slider; 12. Stabilizing frame; 13. Positioning ring; 14. Anti-slip strip; 15. Limiting slide groove; 16. Connecting guide rod; 17. Compression spring; 18. Process limit frame; 19. Fastening screw; 20. Locking sleeve; 21. Limiting frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides: a special tap for a hand electric drill, comprising a taper handle 1, the end of the taper handle 1 is connected to the inside of an assembly sleeve 4 through a locking rod 7, one end of the assembly sleeve 4 is connected to a triangular connecting handle 6 through a connecting rod 5, and the surface of the connecting rod 5 is rotatably connected with a mounting plate 8; a stabilizing frame 12, the bottom of the mounting plate 8 is movably connected to the stabilizing frame 12 through a connecting seat 9, a limiting component for assisting the tap in drilling a hole is arranged inside the stabilizing frame 12, a process limiting frame 18 for limiting the depth of the tap hole rotation is movably installed on the inner surface of the stabilizing frame 12, and a positioning ring 13 for positioning when rotating the hole is connected to one end of the stabilizing frame 12.

[0021] It is worth mentioning that by assembling the sleeve 4, the locking rod 7, the connecting seat 9, the stabilizing frame 12, the process limit frame 18, and the coordination of the limit assembly structure, the stability of the tap rotation can be further improved, the offset and slipping during the rotation process can be effectively reduced, and the drilling tilt can be prevented from occurring. In addition, when processing the hole position, the hole position depth of the non-through hole can be effectively controlled, the drilling accuracy can be effectively improved, and the work efficiency of the staff can be improved.

[0022] Specifically, the end of the cone handle 1 is connected with a hexagonal positioning handle 3, which is movably mounted in the mounting sleeve 4, and the locking rod 7 is movably inserted into the hexagonal positioning handle 3 through the mounting sleeve 4. The other end surface of the cone handle 1 is provided with a cutter head 2. One side of the mounting plate 8 is connected with a limit frame 21, and the surface of the cone handle 1 is rotatably connected with the limit frame 21 through the mounting sleeve 4. The positioning rings 13 are respectively provided on both sides of the cone handle 1, and the surface of the positioning ring 13 is provided with an anti-slip strip 14.

[0023] Furthermore, the hexagonal positioning handle 3 is a clamping structure connected to the assembly sleeve 4, the assembly sleeve 4 is a structure assembled with the hexagonal positioning handle 3, the locking rod 7 is a structure for fixing the hexagonal positioning handle 3 inside the assembly sleeve 4 to ensure the stability of the connection of the tapered handle 1, the mounting plate 8 is a structure for installing the assembly sleeve 4, the limit frame 21 is a structure for guiding and limiting the tapered handle 1, the positioning ring 13 is an anti-slip strip 14 for positioning the tapered handle 1, and the anti-slip strip 14 is a structure for preventing slipping when opening a hole.

[0024] The limiting assembly includes: a connecting guide rod 16 rotatably connected to the inner wall of the stable frame 12, and a compression spring 17 sleeved on the surface of the connecting guide rod 16; wherein, a limiting groove 10 is provided on the surface of the connecting seat 9, the inner wall of the limiting groove 10 is slidably connected to the surface of the connecting guide rod 16, and one end of the compression spring 17 is connected to the surface of the connecting seat 9. The two ends of the connecting seat 9 are connected to the limiting slider 11, and the two sides of the stable frame 12 are provided with a limiting slide groove 15, and the surface of the limiting slider 11 is slidably connected to the inner wall of the limiting slide groove 15.

[0025] In addition, the stabilizing frame 12 is a structure that serves as a positioning guide for the conical handle 1, the connecting guide rod 16 is a component that serves as a limiting guide for the connecting seat 9, the compression spring 17 serves to act on the connecting seat 9 to ensure the stability between the stabilizing frame 12 and the conical handle 1, the limiting groove 10 is a guiding structure for the connecting seat 9 to be installed on the connecting guide rod 16, the limiting slider 11 is a structure that cooperates with the connecting guide rod 16 to guide the connecting seat 9, and the limiting slide groove 15 is a structure that serves as a guiding structure for the connecting seat 9.

[0026] The two ends of the process limit frame 18 are slidably connected to the inner wall of the limit slide groove 15, and the ends of the process limit frame 18 are connected with fastening screws 19, and the fastening screws 19 extend to the two sides of the stable frame 12 through the limit slide groove 15, and the surface of the fastening screws 19 is threadedly connected with a locking sleeve 20. The process limit frame 18 is a structure that limits the moving distance of the connecting seat 9, thereby controlling the depth of the tap drilling and ensuring the accuracy of the drilling. The fastening screws 19 are a structure that cooperates with the locking sleeve 20 to lock and fix the process limit frame 18.

[0027] The hexagonal positioning handle 3 at the end of the taper handle 1 is inserted into the assembly sleeve 4 through the limit frame 21 and fixed by the locking rod 7 to ensure the stability of the tap, so that it is convenient to assemble it to the hand drill through the triangular connecting handle 6; when working, the positioning ring 13 at the end of the stabilizing frame 12 is pressed on the drilling position, and the compression spring 17 on the surface of the connecting guide rod 16 acts on the connecting seat 9, which can improve the stability of the positioning of the tap and the positioning ring 13. During the drilling process, the guiding effect of the connecting guide rod 16 can effectively reduce the offset and slippage during the rotation process; and according to the depth of the drilling hole, the process limit frame 18 can be moved on the stabilizing frame 12, and the process limit frame 18 can be further fixed by the locking sleeve 20 and the fastening screw 19, and the distance moved by the connecting seat 9 on the stabilizing frame 12 can be limited, so as to control the process of the tap turning hole, ensure the accuracy of the drilling hole, and improve the work efficiency of the staff.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special tap for a hand electric drill, characterized in that: include: A conical handle (1), the end of which is connected to the inside of an assembly sleeve (4) via a locking rod (7); one end of the assembly sleeve (4) is connected to a triangular connecting handle (6) via a connecting rod (5); a mounting plate (8) is rotatably connected to the surface of the connecting rod (5); A stabilizing frame (12), wherein the bottom of the mounting plate (8) is movably connected to the stabilizing frame (12) via a connecting seat (9), a limiting assembly for assisting the tap in drilling a hole is arranged inside the stabilizing frame (12), a process limiting frame (18) for limiting the hole turning depth of the tap is movably installed on the inner surface of the stabilizing frame (12), and a positioning ring (13) for positioning when turning a hole is connected to one end of the stabilizing frame (12).

2. A special tap for hand electric drill according to claim 1, characterized in that: The end of the tapered handle (1) is connected to a hexagonal positioning handle (3), the hexagonal positioning handle (3) is movably mounted inside the assembly sleeve (4), the locking rod (7) movably passes through the hexagonal positioning handle (3) through the assembly sleeve (4), and the other end surface of the tapered handle (1) is provided with a cutter head (2).

3. A special tap for hand electric drill according to claim 1, characterized in that: One side of the mounting plate (8) is connected to a limiting frame (21), and the surface of the tapered handle (1) is rotatably connected to the limiting frame (21) via a mounting sleeve (4).

4. A special tap for a hand electric drill according to claim 1, characterized in that: The limit assembly includes: A connecting guide rod (16) rotatably connected to the inner wall of the stabilizing frame (12), and A compression spring (17) sleeved on the surface of the connecting guide rod (16); A limiting groove (10) is provided on the surface of the connecting seat (9), the inner wall of the limiting groove (10) is slidably connected to the surface of the connecting guide rod (16), and one end of the compression spring (17) is connected to the surface of the connecting seat (9).

5. A special tap for hand electric drill according to claim 4, characterized in that: The two ends of the connection seat (9) are connected to the limiting slide block (11), the two sides of the stabilizing frame (12) are provided with limiting slide grooves (15), and the surface of the limiting slide block (11) is slidably connected to the inner wall of the limiting slide groove (15).

6. A special tap for hand electric drill according to claim 5, characterized in that: The two ends of the process limit frame (18) are slidably connected to the inner wall of the limit slide groove (15), the end of the process limit frame (18) is connected to a fastening screw (19), and the fastening screw (19) extends to the two sides of the stabilizing frame (12) through the limit slide groove (15), and the surface of the fastening screw (19) is threadedly connected to a locking sleeve (20).

7. The special tap for hand electric drill according to claim 1, characterized in that: The positioning rings (13) are respectively arranged on both sides of the cone handle (1), and the surface of the positioning ring (13) is provided with an anti-slip strip (14).