Special tool for fastening and detaching screw of wiring terminal

Abstract

The utility model discloses a special tool for fastening and dismounting a binding post screw. The special tool comprises a handle, a motor is fixedly connected into the handle, the lower end of an output shaft of the motor is fixedly sleeved with a mounting base, a hexagonal hole is formed in the mounting base, a screwdriver is inserted into the hexagonal hole, round holes which are evenly distributed are formed in the middle of the mounting base, steel balls are placed in the round holes, and the outer cambered surfaces of the steel balls make contact with the outer surface of the upper end of the screwdriver. A battery is arranged at the upper end in the handle, a control panel is fixedly connected to the side face of the handle, a control switch set is arranged at the upper end of the outer side face of the control panel, the input end of the control switch set is electrically connected with the output end of the battery, and the input end of the motor is electrically connected with the output end of the control switch set. According to the special tool for fastening and disassembling the screw of the wiring terminal, the screw is convenient to disassemble and assemble through the electric screw driver, and meanwhile, the screw driver is fixed more firmly.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical tools, in particular to a special tool for fastening and disassembling screws of connection terminals. Background Art

[0002] Terminal blocks are accessories used to achieve electrical connections and are classified as connectors in the industrial field. With the increasing degree of industrial automation and increasingly stringent and precise industrial control requirements, the use of terminal blocks has gradually increased. With the development of the electronics industry, the scope of use of terminal blocks has expanded, and the variety of terminal blocks has also increased.

[0003] There are many screws inside the terminal block, and electrical personnel need to connect the screws one by one, which is troublesome. At the same time, the screwdriver with replaceable screwdriver is replaced by interference fit, and the screwdriver may become loose after long-term use. For this reason, we propose a special tool for fastening and disassembling the screws of the terminal block. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a special tool for fastening and disassembling screws of terminal blocks. The electric screwdriver is used to facilitate the disassembly and installation of screws, and the screwdriver is fixed more firmly, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: a special tool for fastening and disassembling screws of terminal blocks, comprising a handle;

[0006] Handle: The motor is fixedly connected inside it, and the lower end of the output shaft of the motor is fixedly sleeved with a mounting seat. The inside of the mounting seat is provided with a hexagonal hole, and a screwdriver is inserted into the hexagonal hole. The middle part of the mounting seat is provided with evenly distributed round holes, and steel balls are placed inside the round holes. The outer arc surface of the steel balls is in contact with the outer surface of the upper end of the screwdriver, which makes it easy to disassemble and install screws through the electric screwdriver, and the screwdriver is fixed more firmly.

[0007] Furthermore, a battery is provided at the upper end of the interior of the handle to supply power to the internal electrical appliances.

[0008] Furthermore, a control board is fixedly connected to the side of the handle, and a control switch group is provided at the upper end of the outer side of the control board. The input end of the control switch group is electrically connected to the output end of the battery, and the input end of the motor is electrically connected to the output end of the control switch group to control the motor.

[0009] Furthermore, a lamp holder is fixedly connected to the lower end of the outer side surface of the control board, and a lighting lamp is provided at the lower end of the lamp holder. The input end of the lighting lamp is electrically connected to the output end of the control switch group to provide lighting.

[0010] Furthermore, the upper end of the handle is threadedly connected to an anti-detachment cover, and the top wall of the anti-detachment cover contacts the upper end of the battery to prevent internal parts from falling off.

[0011] Furthermore, the lower end of the handle is threadedly connected to an end cap, the outer arc surface of the steel ball is tangent to the inner wall of the end cap, and an avoidance groove is opened inside the anti-drop cover. The avoidance groove is located at the upper end of the steel ball to loosen or tighten the steel ball.

[0012] Furthermore, a step is provided at one end of the circular hole of the mounting seat close to the central axis of the mounting seat, and the steel balls are clamped inside the step located in the same circular hole to prevent the steel balls from falling into the inside of the hexagonal hole.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the special tool for fastening and disassembling the terminal screws has the following advantages:

[0014] 1. The outer arc surface of the steel ball is tangent to the inner wall of the end cover. The steel ball presses against the upper end of the screwdriver, making the screwdriver more firmly fixed. The end cover is screwed outward, and the avoidance groove is aligned with the steel ball. The steel ball is no longer constrained by the end cover, and the screwdriver can be easily pulled out, making it easy to replace the screwdriver.

[0015] 2. Turn on the lighting through the control switch group to facilitate observation of the screw position. After aligning the screwdriver with the screw, turn on the motor through the control switch group. The output shaft of the motor drives the mounting base and the screwdriver to rotate. Tighten or remove the screw without manually turning the handle, reducing hand strain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the handle of the utility model

[0018] Figure 3 This is a schematic cross-sectional view of the mounting base of the utility model;

[0019] Figure 4 It is a schematic cross-sectional structural diagram of the end cover of the utility model.

[0020] In the figure: 1 handle, 2 control board, 3 control switch group, 4 lamp holder, 5 lighting lamp, 6 anti-drop cover, 7 battery, 8 motor, 9 mounting base, 10 screwdriver, 11 end cover, 12 steel ball, 13 hexagonal hole, 14 step, 15 avoidance groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 , this embodiment provides a technical solution: a special tool for fastening and disassembling screws of terminal blocks, comprising a handle 1;

[0023] The handle 1 is fixedly connected to the motor 8, and the lower end of the output shaft of the motor 8 is fixedly sleeved with a mounting seat 9. The mounting seat 9 is provided with a hexagonal hole 13, and the screwdriver 10 is inserted into the hexagonal hole 13. The middle part of the mounting seat 9 is provided with evenly distributed circular holes, and steel balls 12 are placed inside the circular holes. The outer arc surface of the steel balls 12 contacts the outer surface of the upper end of the screwdriver 10. The upper end of the handle 1 is provided with a battery 7. The side of the handle 1 is fixedly connected to the control board 2. The upper end of the outer side surface of the control board 2 is provided with a control switch group 3. The input end of the control switch group 3 is electrically connected to the output end of the battery 7, and the input end of the motor 8 is electrically connected to the output end of the control switch group 3. The lower end of the outer side surface of the control board 2 is fixedly connected to a lamp holder 4. The lower end of the lamp holder 4 is provided with a lighting lamp 5. The input end of the lighting lamp 5 is electrically connected to the output end of the control switch group 3. The upper end of the handle 1 is threadedly connected to an anti- The cover 6 is removed, and the top wall of the anti-detachment cover 6 contacts the upper end of the battery 7. The lower end of the handle 1 is threadedly connected to the end cover 11. The outer arc surface of the steel ball 12 is tangent to the inner wall of the end cover 11. An avoidance groove 15 is provided inside the anti-detachment cover 6. The avoidance groove 15 is located at the upper end of the steel ball 12. The circular hole of the mounting seat 9 is close to the end of the central axis of the mounting seat 9. A step 14 is provided. The steel balls 12 are all snapped into the inside of the step 14 located in the same circular hole. The screwdriver 10 is inserted into the inside of the hexagonal hole 13 and the end cover 11 is tightened. The outer arc surface of the steel ball 12 is tangent to the inner wall of the end cover 11. The steel ball 12 is tightly against the upper end of the screwdriver 10, making the screwdriver 10 more firmly fixed. The lighting lamp 5 is turned on by the control switch group 3 to facilitate observation of the screw position. After aligning the screwdriver 10 with the screw, the motor 8 is turned on by the control switch group 3. The output shaft of the motor 8 drives the mounting seat 9 and the screwdriver 10 to rotate, tightening or removing the screw.

[0024] The working principle of a special tool for fastening and disassembling terminal screws provided by the utility model is as follows: select a suitable screwdriver 10 according to the screw of the terminal, insert the screwdriver 10 into the inside of the hexagonal hole 13, tighten the end cover 11, the outer arc surface of the steel ball 12 is tangent to the inner wall of the end cover 11, and the steel ball 12 presses against the upper end of the screwdriver 10, so that the fixation of the screwdriver 10 is more secure, the end cover 11 is screwed outward, and the avoidance groove 15 is aligned with the steel ball 12. The steel ball 12 is no longer constrained by the end cover 11 and the screwdriver 10 can be easily pulled out. The step 14 prevents the steel ball 12 from falling into the inside of the hexagonal hole 13, and the lighting 5 is turned on by the control switch group 3 to facilitate observation of the screw position. After aligning the screwdriver 10 with the screw, the motor 8 is turned on by the control switch group 3, and the output shaft of the motor 8 drives the mounting seat 9 and the screwdriver 10 to rotate to tighten or remove the screw.

[0025] It is worth noting that the motor 8 disclosed in the above embodiment can be a CM28-395 reduction motor, and the control switch group controls the operation of the induced draft fan 2 and the motor 31 using methods commonly used in the prior art. The control switch group 3 is provided with switch buttons corresponding to the motor 8 and the lighting lamp 5 for controlling their switching operation.

[0026] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A special tool for fastening and removing screws of terminal blocks, characterized by: including a handle (1); The handle (1) is fixedly connected to the motor (8) inside, and the lower end of the output shaft of the motor (8) is fixedly sleeved with a mounting seat (9), the interior of the mounting seat (9) is provided with a hexagonal hole (13), and the interior of the hexagonal hole (13) is plugged with a screwdriver (10), and the middle of the mounting seat (9) is provided with evenly distributed circular holes, and steel balls (12) are placed inside the circular holes, and the outer arc surfaces of the steel balls (12) are in contact with the outer surface of the upper end of the screwdriver (10).

2. A special tool for fastening and removing screws of terminal blocks according to claim 1, characterized in that: A battery (7) is provided at the upper end of the interior of the handle (1).

3. A special tool for fastening and removing screws of terminal blocks according to claim 2, characterized in that: A control panel (2) is fixedly connected to the side of the handle (1), and a control switch group (3) is provided at the upper end of the outer side of the control panel (2). The input end of the control switch group (3) is electrically connected to the output end of the battery (7), and the input end of the motor (8) is electrically connected to the output end of the control switch group (3).

4. A special tool for fastening and removing screws of terminal blocks according to claim 3, characterized in that: The lower end of the outer side surface of the control panel (2) is fixedly connected to a lamp holder (4), the lower end of the lamp holder (4) is provided with a lighting lamp (5), and the input end of the lighting lamp (5) is electrically connected to the output end of the control switch group (3).

5. The special tool for fastening and removing screws of terminal blocks according to claim 2, characterized in that: The upper end of the handle (1) is threadedly connected to an anti-detachment cover (6), and the top wall of the anti-detachment cover (6) contacts the upper end of the battery (7).

6. The special tool for fastening and removing screws of terminal blocks according to claim 1, characterized in that: The lower end of the handle (1) is threadedly connected to an end cap (11), the outer arc surface of the steel ball (12) is tangent to the inner wall of the end cap (11), and an avoidance groove (15) is opened inside the anti-drop cover (6), and the avoidance groove (15) is located at the upper end of the steel ball (12).

7. The special tool for fastening and removing screws of terminal blocks according to claim 1, characterized in that: The circular hole of the mounting seat (9) is provided with a step (14) at one end close to the central axis of the mounting seat (9), and the steel balls (12) are all clamped inside the step (14) located in the same circular hole.

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