Electric hand drill with anti-torsion and anti-fracture functions

Abstract

The electric hand drill comprises an electric hand drill body, a fixing frame is fixedly installed on the outer surface of the electric hand drill body, a positioning sliding plate is connected to the outer surface of the electric hand drill body in a sliding mode, an opening is formed in the surface of the fixing frame, and an installation block is connected to the inner wall of the opening of the fixing frame in a sliding mode. And one end of the mounting block is fixedly connected with a limiting block. According to the electric hand drill with the anti-torsion and anti-fracture functions, an anti-skid suction cup and a piston column are arranged, when the electric hand drill works, a supporting circular ring drives a first magnet to be close to a second magnet, the first magnet attracts the second magnet, the second magnet drives a connecting clamping block and the piston column to slide, and the piston column conveniently extracts air in the anti-skid suction cup; and the anti-skid suction cup is adsorbed to the working plane after negative pressure is conducted, the device is conveniently fixed, the stability is improved, then the handheld electric drill is pushed to work, guiding is convenient, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hand electric drills, in particular to a hand electric drill with anti-torsion and anti-fracture functions. Background Art

[0002] In 1895, Harmonics of Germany manufactured the world's first DC hand drill. The shell was made of cast iron and could drill 4mm holes on steel plates. The hand drill is a small, easy-to-carry drilling tool consisting of a small motor, a control switch, a drill chuck and a drill bit. The hand drill is a drilling tool powered by an AC power supply or a DC battery. It is a type of handheld power tool. The hand drill is the best-selling product in the power tool industry and is widely used in construction, decoration, furniture and other industries to make holes in objects or penetrate objects. In some industries, it is also called an electric hammer. The main components of the hand drill include a drill chuck, an output shaft, a gear, a rotor, a stator, a casing, a switch and a cable. It is a tool for drilling holes in metal materials, wood, plastics, etc. When equipped with a forward and reverse switch and an electronic speed control device, it can be used as an electric screwdriver. Some models are equipped with a rechargeable battery and can work normally without an external power supply for a certain period of time.

[0003] When in use, existing hand drills are often used on flat surfaces such as walls. Generally, they have no positioning structure and only generate pressure by holding the hand. This makes it easy for the hand drill to slide and deviate when the speed is high, causing the drill bit to break and be damaged, posing a safety hazard and reducing its practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a hand electric drill with anti-torsion and anti-fracture functions to solve the problem proposed in the above-mentioned background technology that when working on a flat surface such as a wall, there is generally no positioning structure, and pressure is generated only by holding the hand, so that when the hand electric drill rotates at a high speed, it is easy to slide and deviate, thereby causing the drill bit to be easily broken and damaged, posing a safety hazard and reducing the practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hand-held electric drill with anti-torsion and anti-fracture functions, comprising a hand-held electric drill, a fixing frame fixedly installed on the outer surface of the hand-held electric drill, a positioning slide being slidably connected to the outer surface of the hand-held electric drill, an opening being provided on the surface of the fixing frame, and a mounting block being slidably connected to the inner wall of the opening of the fixing frame, one end of the mounting block being fixedly connected to a limiting block, a groove being provided on the surface of the limiting block, and an anti-slip suction cup being fixedly connected to the inner wall of the groove of the limiting block, a positioning groove being provided on the surface of the mounting block, a linkage slider being slidably connected to the inner wall of the positioning groove, one end of the linkage slider being fixedly connected to a supporting ring, a linkage anti-slip mechanism being provided between the supporting ring and the limiting block, which attracts the second magnet through a first magnet to drive the piston column to slide for negative pressure adsorption.

[0006] Preferably, one end of the mounting block is fixedly connected to the positioning slide plate, and a spring is connected between the positioning slide plate and the fixing frame.

[0007] By adopting the above technical solution, the positioning slide plate drives the mounting block to slide relative to the fixing frame.

[0008] Preferably, the limiting block is cylindrical in design, the anti-skid suction cup and the limiting block are connected, the positioning slot is arc-shaped in design, and a spring is connected between the linkage slider and the positioning slot.

[0009] By adopting the above technical solution, the cylindrical design of the limit block facilitates the fit to the wall, and then the wall is adsorbed and fixed by the anti-slip suction cup.

[0010] Preferably, the linkage anti-slip mechanism includes a first magnet, which is fixedly connected to the side surface of the supporting ring, an air groove is provided inside the limit block, and the inner wall of the air groove of the limit block is slidably connected to a piston column, one end of the piston column is fixed with a connecting block, and the surface of the connecting block is fixed with a second magnet.

[0011] By adopting the above technical solution, the supporting ring is driven to rotate through the linkage slider, so that the supporting ring drives the first magnet to approach the second magnet.

[0012] Preferably, the magnetic poles of the ends of the first magnet and the second magnet facing each other are opposite, and the air groove of the limit block is connected to the anti-slip suction cup.

[0013] By adopting the above technical solution, the first magnet attracts the second magnet, so that the second magnet drives the piston column to move.

[0014] Preferably, a spring is connected between the piston column and the inner wall of the limiting block, and one end of the piston column provided with a connecting block penetrates the surface of the limiting block.

[0015] By adopting the above technical solution, the piston rod slides on the surface of the limit block, so that the air inside the limit block is driven by the piston rod.

[0016] Preferably, an opening is provided on the surface of the fixing frame, and a protective baffle is slidably connected to the inner wall of the fixing frame opening. The protective baffle is arc-shaped, and one end of the protective baffle is fixedly connected to the positioning slide plate.

[0017] By adopting the above technical solution, the protective baffle connected by sliding on the surface of the fixing frame can protect personnel with the arc-shaped protective baffle.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the hand drill with anti-torsion and anti-fracture functions:

[0019] 1. An anti-skid suction cup and a piston column are provided. When the device is working, the first magnet is driven close to the second magnet through the supporting ring, so that the first magnet attracts the second magnet, and the second magnet drives the connecting block and the piston column to slide, so that the piston column can extract the air in the anti-skid suction cup, so that the anti-skid suction cup is adsorbed on the working plane after negative pressure, which is convenient for fixing the device and improving stability. Then, the handheld electric drill is pushed to work, so as to facilitate guidance and improve practicality.

[0020] 2. A protective baffle and a positioning slide are provided, so that when the device is working, the positioning slide can drive the protective baffle to cover the gap between the mounting blocks through the spring between the positioning slide and the fixing frame, thereby blocking impurities and preventing harm to personnel. In addition, the positioning slide can drive the protective baffle to slide with the movement of the handheld electric drill, thereby improving the protection performance;

[0021] 3. A linkage slider and a supporting ring are provided, so that when the device is working, the linkage slider can drive the supporting ring to rotate and reset through the spring on the surface of the linkage slider, so that the supporting ring drives the first magnet away from the second magnet, which is convenient for synchronously pumping air from multiple anti-slip suction cups, thereby improving the fixing efficiency, and after rotating the supporting ring, the supporting ring is conveniently fixed through the attraction of the first magnet and the second magnet, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the handheld electric drill connected to the fixing frame of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the connection between the fixing frame and the positioning slide plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the positioning slide plate and the mounting block of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the installation block and the limit block of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the connection between the piston column and the connecting block of the utility model;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the connection between the fixing frame and the protective baffle of the utility model.

[0028] In the figure: 1. Hand-held electric drill; 2. Fixed frame; 3. Positioning slide plate; 4. Mounting block; 5. Limit block; 6. Anti-slip suction cup; 7. Positioning slide groove; 8. Linkage slide block; 9. Support ring; 10. First magnet; 11. Piston column; 12. Connecting block; 13. Second magnet; 14. Protective baffle. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-6 The utility model provides a technical solution: a hand drill with anti-torsion and anti-fracture functions, including a hand-held electric drill 1, a fixing frame 2, a positioning slide plate 3, a mounting block 4, a limit block 5, an anti-skid suction cup 6, a positioning slide groove 7, a linkage slider 8, a supporting ring 9, a first magnet 10, a piston column 11, a connecting block 12, a second magnet 13 and a protective baffle 14. The hand-held electric drill 1 is fixedly mounted with a fixing frame 2 on its outer surface, one end of the mounting block 4 is fixedly connected with the positioning slide plate 3, and a spring is connected between the positioning slide plate 3 and the fixing frame 2, the limit block 5 is cylindrical in design, the anti-skid suction cup 6 is connected to the limit block 5, the positioning slide groove 7 is arc-shaped in design, and a spring is connected between the linkage slider 8 and the positioning slide groove 7. When using the device, first, the limit block 5 is fitted on the working plane, and then the supporting ring 9 is rotated so that the supporting ring 9 drives the linkage slider 8 to slide on the inner wall of the positioning slide groove 7.

[0031] The outer surface of the handheld electric drill 1 is slidably connected with a positioning slide plate 3, and the linkage anti-skid mechanism includes a first magnet 10, which is fixedly connected to the side surface of the supporting ring 9. An air groove is provided inside the limit block 5, and the inner wall of the air groove of the limit block 5 is slidably connected with a piston column 11, one end of the piston column 11 is fixed with a connecting block 12, and the surface of the connecting block 12 is fixed with a second magnet 13. The sliding of the supporting ring 9 makes the supporting ring 9 rotate and drives the first magnet 10 on the surface to move close to the second magnet 13, so that the second magnet 13 is attracted by the first magnet 10, so that the second magnet 13 drives the connecting block 12 and the piston column 11 to move.

[0032] An opening is provided on the surface of the fixing frame 2, and the inner wall of the opening of the fixing frame 2 is slidably connected with a mounting block 4, one end of the mounting block 4 is fixedly connected to a limiting block 5, a groove is provided on the surface of the limiting block 5, and the inner wall of the groove of the limiting block 5 is fixedly connected with an anti-slip suction cup 6, the magnetic poles of the first magnet 10 and the second magnet 13 facing each other are opposite, the air groove of the limiting block 5 is connected with the anti-slip suction cup 6, a spring is connected between the piston column 11 and the inner wall of the limiting block 5, one end of the piston column 11 is provided with a connecting block 12 that passes through the surface of the limiting block 5, and the air inside the anti-slip suction cup 6 will be extracted after the piston column 11 slides, so that the anti-slip suction cup 6 is adsorbed and fixed to the working plane after negative pressure, thereby improving the stability of the device.

[0033] A positioning slot 7 is provided on the surface of the mounting block 4, and a linkage slider 8 is slidably connected to the inner wall of the positioning slot 7. One end of the linkage slider 8 is fixedly connected to a supporting ring 9, and a linkage anti-slip mechanism is arranged between the supporting ring 9 and the limit block 5, which attracts the second magnet 13 through the first magnet 10 to drive the piston column 11 to slide for negative pressure adsorption. An opening is provided on the surface of the fixing frame 2, and a protective baffle 14 is slidably connected to the inner wall of the opening of the fixing frame 2. The protective baffle 14 is arc-shaped, and one end of the protective baffle 14 is fixedly connected to the positioning slide 3, and the protective baffle 14 is driven by the positioning slide 3 to rest against the working surface, thereby blocking impurities and preventing impurities from splashing and causing damage to personnel. Subsequently, the handheld electric drill 1 is pushed to move for processing, so that the positioning slide 3 slides relative to the handheld electric drill 1 for guidance, thereby improving the stability of the work.

[0034] Working principle: When using the hand drill with anti-torsion and anti-fracture functions, first use the limit block 5 to press against the working plane, then rotate the support ring 9 to drive the linkage slider 8 to slide relative to the positioning slot 7, so that the first magnet 10 attracts the second magnet 13, so that the second magnet 13 drives the connecting block 12 and the piston column 11 to slide, so that the anti-slip suction cup 6 can fix the plane through negative pressure, and at the same time, the protective baffle 14 can block and protect impurities, thereby improving the safety performance of the device. When working, the hand-held electric drill 1 is pushed to make the positioning slide plate 3 slide relative to the hand-held electric drill 1, thereby ensuring the stability of the work and increasing the overall practicality.

[0035] 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 hand-held electric drill with anti-torsion and anti-fracture functions, comprising a hand-held electric drill (1), a fixing frame (2) fixedly mounted on the outer surface of the hand-held electric drill, characterized in that: The outer surface of the handheld electric drill (1) is slidably connected with a positioning slide plate (3), the surface of the fixing frame (2) is provided with an opening, and the inner wall of the opening of the fixing frame (2) is slidably connected with a mounting block (4), one end of the mounting block (4) is fixedly connected with a limiting block (5), the surface of the limiting block (5) is provided with a groove, and the inner wall of the groove of the limiting block (5) is fixedly connected with an anti-slip suction cup (6), the surface of the mounting block (4) is provided with a positioning groove (7), the inner wall of the positioning groove (7) is slidably connected with a linkage slider (8), one end of the linkage slider (8) is fixedly connected with a supporting ring (9), and a linkage anti-slip mechanism is provided between the supporting ring (9) and the limiting block (5), which attracts the second magnet (13) through the first magnet (10) to drive the piston column (11) to slide for negative pressure adsorption.

2. The hand drill with anti-torsion and anti-fracture functions according to claim 1, characterized in that: One end of the mounting block (4) is fixedly connected to the positioning slide plate (3), and a spring is connected between the positioning slide plate (3) and the fixing frame (2).

3. The hand drill with anti-torsion and anti-fracture functions according to claim 1, characterized in that: The limit block (5) is cylindrical in design, the anti-skid suction cup (6) and the limit block (5) are connected, the positioning slide groove (7) is arc-shaped, and a spring is connected between the linkage slider (8) and the positioning slide groove (7).

4. The hand drill with anti-torsion and anti-fracture functions according to claim 1, characterized in that: The linkage anti-slip mechanism comprises a first magnet (10) which is fixedly connected to the side surface of the supporting ring (9); an air groove is provided inside the limit block (5); a piston column (11) is slidably connected to the inner wall of the air groove of the limit block (5); a connecting block (12) is fixed to one end of the piston column (11); and a second magnet (13) is fixed to the surface of the connecting block (12).

5. The hand drill with anti-torsion and anti-fracture functions according to claim 4, characterized in that: The magnetic poles of the ends of the first magnet (10) and the second magnet (13) facing each other are opposite, and the air groove of the limit block (5) is connected to the anti-slip suction cup (6).

6. The hand electric drill with anti-torsion and anti-fracture functions according to claim 4, characterized in that: A spring is connected between the piston column (11) and the inner wall of the limit block (5); one end of the piston column (11) provided with a connecting block (12) penetrates the surface of the limit block (5).

7. The hand drill with anti-torsion and anti-fracture functions according to claim 1, characterized in that: The surface of the fixing frame (2) is provided with an opening, and the inner wall of the opening of the fixing frame (2) is slidably connected with a protective baffle (14), the protective baffle (14) is of arc-shaped design, and one end of the protective baffle (14) is fixedly connected to the positioning slide plate (3).

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