Screwdriver with strong magnetic switch

By using a combination of solenoids and switch buttons in a screwdriver, the demagnetization problem caused by insufficient magnetic suction is solved, operating stability and convenience are improved, and practicality is enhanced through the replaceable tool head design.

CN222345431UActive Publication Date: 2025-01-14NANYANG FEILONG ELECTRICAL POWER GRP CO LTD
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Patent Information

Application Number
CN202421207295.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-01-14
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

Existing magnetic screwdrivers are prone to demagnetization under special circumstances, causing the blade to loosen and fall off, affecting the convenience of use.

Method used

The combination of electromagnet and switch button is adopted to generate a magnetic field through the electromagnet to stably adsorb the cutter head to prevent demagnetization, and combine it with the replaceable cutter head design to improve practicality.

Benefits of technology

Effectively prevent demagnetization, improve the operating stability and safety of the screwdriver, enhance the convenience of use, and solve the problem of insufficient suction of a single magnet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a screwdriver with a strong magnetic switch, which relates to the technical field of screwdrivers, and comprises a handle and a mounting shell, the mounting shell is fixedly arranged at one end of the handle, a battery box is arranged in the mounting shell, a connecting wire is arranged at the bottom of the battery box, one end of the connecting wire is connected with a switch button, and the other end of the connecting wire is connected with the strong magnetic switch. A circular ring is fixedly arranged at one end of the mounting shell, an electromagnet is arranged in the circular ring, the electromagnet is electrically connected with the battery box, by arranging the electromagnet, when the screwdriver with the strong magnetic switch is used, the connecting wire is used for electrically connecting the switch button with the battery box, and the circular ring is used for stably mounting the electromagnet; according to the screwdriver, the electromagnet can generate a magnetic field by controlling the switch button, stable adsorption can be formed on the screwdriver head through the screwdriver rod, in the use process, the demagnetization phenomenon can be prevented, the operation stability and safety in the operation process are guaranteed, and the use convenience of the screwdriver is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to a screwdriver with a strong magnetic switch. Background Art

[0002] A screwdriver is a common hand tool used to tighten or loosen screws. Its main function is to fasten screws to an object or remove screws from an object. A screwdriver is one of the essential tools for many repair and assembly tasks. Screwdrivers have many different types of blades to accommodate different types of screws. Common blade types include slot blades, cross blades, hexagonal blades, etc. The shape and size of the screwdriver blade need to match the screw to ensure proper insertion and application of torque. Whether repairing furniture, electronic equipment or cars, screwdrivers can be used to tighten or loosen screws for repairs, replacement of parts or assembly. A screwdriver is a very common tool used to tighten and loosen screws, as well as perform a variety of assembly and repair tasks. It is widely used in homes, workplaces and various industries.

[0003] For example, the application number CN207189538U discloses a magnetic screwdriver that is easy to disassemble, including a cylindrical handle and a detachable blade head. The cylindrical handle includes a tail handle and a head movable section. The end of the head movable section is provided with an opening arranged along the axis of the cylindrical handle. The tail of the detachable blade head is provided with a cylindrical fixed pin head that matches the opening. The fixed pin head is provided with a through hole perpendicular to its axis. A movable latch is provided in the through hole. A positioning pin hole that matches the latch is provided in the opening. The outer sleeve of the head movable section is sleeved with a movable sleeve that rotates freely relative to it. The inner wall of the movable sleeve is provided with a strong magnetic block. The strong magnetic block is in the same plane as the positioning pin hole. The magnetic screwdriver that is easy to disassemble has a simple overall structure, is easy to install, manufacture, operate and use, can effectively realize the rapid installation and separation of the screwdriver, and has good installation stability and high practicality.

[0004] However, this magnetic screwdriver which is easy to disassemble does not take into account the use of magnets to absorb the blades. The suction force of a single magnet is certain. When encountering special circumstances, demagnetization is prone to occur, and the blade becomes loose and falls off, affecting the convenience of using the screwdriver. This effectively solves the problem that the suction force of a single magnet is certain. When encountering special circumstances, demagnetization is prone to occur, and the blade becomes loose and falls off, affecting the convenience of using the screwdriver.

[0005] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a screwdriver with a strong magnetic switch is proposed. Utility Model Content

[0006] The utility model aims to provide a screwdriver with a strong magnetic switch to solve the problem that the suction force of a single magnet proposed in the above background technology is certain and the demagnetized cutter head is prone to loosening and falling off under special circumstances.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screwdriver with a strong magnetic switch, comprising a handle and a mounting shell, wherein the mounting shell is fixedly arranged at one end of the handle, a battery box is arranged in the mounting shell, a connecting wire is arranged at the bottom of the battery box, one end of the connecting wire is connected to a switch button, and the switch button passes through the inner wall of the mounting shell, a circular ring is fixedly arranged at one end of the mounting shell, an electromagnet is arranged in the circular ring, and the electromagnet is connected to the battery box with a power supply.

[0008] Furthermore, a square groove is provided in the handle, and a storage box is snap-fitted in the square groove.

[0009] Furthermore, a sealing sheet is movably provided on the mounting shell, and the sealing sheet corresponds to the battery box.

[0010] Furthermore, a sealing shell is provided on the outer surface of the circular ring, and the sealing shell is threadedly connected to the circular ring.

[0011] Furthermore, a knife rod is provided through one side of the sealing shell, and one end of the knife rod is in contact with the electromagnet.

[0012] Furthermore, a mounting opening is provided at the other end of the blade rod, and the mounting opening is arranged in a symmetrical square shape to form a limiting locking effect on the blade.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model uses the setting of the electromagnet. When a screwdriver with a strong magnetic switch is used, the mounting shell is used to provide an internal stable installation of the battery box. A V battery can be installed inside the battery box to form a conductive output. The connecting line is used to provide a switch button with a power connection to the battery box. The circular ring is used to stably install the electromagnet. By controlling the switch button, the electromagnet will generate a magnetic field, which can form a stable adsorption of the tool head through the tool rod. During use, demagnetization can be prevented, ensuring the stability and safety of operation during operation, and improving the agility of the screwdriver. It effectively solves the problem that the suction force of a single magnet is certain, and demagnetization is likely to occur under special circumstances, causing the blade to loosen and fall off, affecting the agility of the screwdriver. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the handle;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of a circular ring;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the battery box.

[0019] In the figure: 1, handle; 11, square groove; 111, storage box; 2, installation shell; 21, battery box; 211, connecting wire; 212, switch button; 213, sealing sheet; 3, circular ring; 31, electromagnet; 311, sealing shell; 312, knife rod; 313, installation port. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a screwdriver with a strong magnetic switch includes a handle 1 and a mounting shell 2. The mounting shell 2 is fixedly arranged at one end of the handle 1. A battery box 21 is arranged in the mounting shell 2. A connecting wire 211 is arranged at the bottom of the battery box 21. One end of the connecting wire 211 is connected to a switch button 212, and the switch button 212 passes through the inner wall of the mounting shell 2. A circular ring 3 is fixedly arranged at one end of the mounting shell 2. An electromagnet 31 is arranged in the circular ring 3, and the electromagnet 31 is connected to the battery box 21 with a power supply.

[0023] Furthermore, when using a screwdriver with a strong magnetic switch, the mounting shell 2 is used to provide an internal stable installation of the battery box 21. A 12V battery can be installed inside the battery box 21 to form a conductive output. The connecting wire 211 is used to provide an electrical connection between the switch button 212 and the battery box 21. The circular ring 3 is used to stably install the electromagnet 31. By controlling the switch button 212, the electromagnet 31 will generate a magnetic field, which can form a stable adsorption of the tool head through the tool rod 312. During use, demagnetization can be prevented from occurring, ensuring the stability and safety of the operation during the operation process, and improving the convenience of using the screwdriver.

[0024] Furthermore, a square groove 11 is provided in the handle 1, and a storage box 111 is snap-fitted in the square groove 11. The storage box 111 is directional and movablely snap-fitted to the square groove 11. When using the screwdriver, a variety of different blade heads can be placed in the storage box 111. The user can replace different blade heads by opening the storage box 111, thereby improving the overall practicality of the screwdriver.

[0025] Furthermore, a sealing sheet 213 is movably provided on the mounting shell 2, and the sealing sheet 213 corresponds to the battery box 21, and the sealing sheet 213 and the mounting shell 2 are through-engaged, and personnel can replace the internal battery by removing the sealing sheet 213.

[0026] Furthermore, a sealing shell 311 is provided on the outer surface of the circular ring 3, and the sealing shell 311 is threadedly connected to the circular ring 3. The sealing shell 311 is larger than the circular ring 3 and can wrap the circular ring 3. The threaded connection can form an effect of fixing the electromagnet 31 set inside the circular ring 3.

[0027] Furthermore, a knife rod 312 is provided through one side of the screw sealing shell 311, and one end of the knife rod 312 is in contact with the electromagnet 31, and an installation port 313 is provided at the other end of the knife rod 312. The knife rod 312 can conduct the suction force of the electromagnet 31 to form an adsorption effect on the knife head. The installation port 313 is set to a symmetrical square to form a limiting locking effect on the knife head, thereby improving the stability of the screwdriver when it is rotated.

[0028] Working principle: When using this screwdriver with a strong magnetic switch, first, the mounting shell 2 is used to provide an internal stable installation of the battery box 21, and a 12V battery can be installed inside the battery box 21 to form a conductive output. The connecting wire 211 is used to provide a switch button 212 to be connected to the battery box 21 power supply, and the circular ring 3 is used to stably install the electromagnet 31. By controlling the switch button 212, the electromagnet 31 will generate a magnetic field, and the tool head can be stably adsorbed through the tool rod 312. During use, demagnetization can be prevented from occurring, ensuring the stability and safety of the operation during operation, and improving the convenience of using the screwdriver. When using the screwdriver, a variety of different tool heads can be placed in the storage box 111, and the user can replace different tool heads by opening the storage box 111, thereby improving the overall practicality of the screwdriver and effectively solving the problem that the suction force of a single magnet is certain, and when encountering special circumstances, demagnetization is likely to occur, causing the blade to loosen and fall off, affecting the convenience of using the screwdriver.

[0029] This is how this screwdriver with a strong magnetic switch works.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A screwdriver with a strong magnetic switch, comprising a handle (1) and a mounting shell (2), wherein the mounting shell (2) is fixedly arranged at one end of the handle (1), characterized in that: A battery box (21) is arranged in the installation shell (2); a connecting wire (211) is arranged at the bottom of the battery box (21); one end of the connecting wire (211) is connected to a switch button (212); and the switch button (212) passes through the inner wall of the installation shell (2); a circular ring (3) is fixedly arranged at one end of the installation shell (2); an electromagnet (31) is arranged in the circular ring (3), and the electromagnet (31) is electrically connected to the battery box (21).

2. A screwdriver with a strong magnetic switch according to claim 1, characterized in that: A square groove (11) is provided in the handle (1), and a storage box (111) is snap-fitted into the square groove (11).

3. A screwdriver with a strong magnetic switch according to claim 1, characterized in that: A sealing sheet (213) is movably provided on the mounting shell (2), and the sealing sheet (213) corresponds to the battery box (21).

4. A screwdriver with a strong magnetic switch according to claim 1, characterized in that: A sealing shell (311) is provided on the outer surface of the circular ring (3), and the sealing shell (311) is threadedly connected to the circular ring (3).

5. A screwdriver with a strong magnetic switch according to claim 4, characterized in that: A knife rod (312) is provided through one side of the sealing shell (311), and one end of the knife rod (312) is in contact with the electromagnet (31).

6. A screwdriver with a strong magnetic switch according to claim 5, characterized in that: The other end of the knife rod (312) is provided with a mounting opening (313), and the mounting opening (313) is arranged in a symmetrical square shape to form a limiting locking effect on the blade.

Citation Information

Patent Citations

  • Formula screwdriver is inhaled to convenient magnetism of dismantling

    CN207189538U