Safety electric plate

Abstract

The utility model discloses a safety electric wrench, and relates to the technical field of electric wrenches, and the safety electric wrench comprises two outer shells, one ends of the same sides of the two outer shells are jointly provided with an output shaft, inner shells are arranged in the two outer shells, a button is arranged between the two outer shells, and a protection shaft is clamped between the two inner shells. The safety circuit board comprises two outer shells, the lower sides of the inner walls of the two outer shells are jointly provided with a mounting plate, the upper end of the mounting plate is fixedly provided with a power panel, the upper end of the power panel is fixedly provided with a charging panel, and the outer surfaces of the two outer shells are jointly provided with a groove used in cooperation with the charging panel. According to the invention, the internal structure can be better protected, the overall structural design is simple, the use is reliable, the operation is convenient, the convenience is high, the driving structure is protected through a plurality of protection structures, the bearing and supporting strength of the driving structure is improved, the output of the electric plate is more stable, and the safety performance is further improved.

Description

Technical Field

[0001] This application relates to the technical field of electric wrenches, especially safety electric wrenches. Background Art

[0002] An electric wrench, that is, an electric hand wrench, is a handheld electric tool for installing and removing threaded connectors. It is widely used in multiple fields. The electric wrench has the advantages of low power consumption, low noise, flexible adjustment, automatic shutdown, and stable torque.

[0003] Upon inquiry, the publication number is: CN219882359U, which discloses a wrench and an electric wrench. This technology discloses "including: a guide tube and a flexible rotating shaft. The guide tube includes a first tube section and a second tube section connected to each other. An included angle is formed between the axis of the first tube section and the axis of the second tube section. The connection between the first tube section and the second tube section is smoothly transitioned. The flexible rotating shaft is rotatably arranged inside the guide tube. The two ends of the flexible rotating shaft are respectively a first end and a second end. The first end and the second end respectively extend outside the guide tube. A rotating head is connected to the first end. By rotating the second end, the flexible rotating shaft can be driven to rotate inside the guide tube, and then the rotating head can be driven to rotate and other technical solutions, which have the technical effects of being able to be used for bolt assembly in a narrow space, reducing the assembly difficulty, and improving the assembly efficiency and assembly quality".

[0004] Regarding the above related technologies, the inventor believes that the existing electric wrenches are usually designed more complexly, and there are usually more internal structures in the existing electric wrenches. When part of them is damaged, it is not convenient to maintain them. Moreover, the complex internal structure makes the production cost higher, may not be convenient to operate, and has limited safety. Usually, there are fewer support and protection structures for the electric wrench, and the bearing and support effects on the drive structure and the output structure are not good. This may lead to unstable rotation of the output end after a period of use, posing a safety hazard. Therefore, a safety electric wrench is needed to solve the above problems. Summary of the Utility Model

[0005] The purpose of this application is to provide a safety electric wrench to improve the problems of complex design and limited safety.

[0006] The safety electric wrench provided by this application adopts the following technical solutions:

[0007] The safety electric wrench includes two outer shells. At the same-side end of the two outer shells, an output shaft is jointly provided. Inner shells are provided inside both of the two outer shells. A button is provided between the two outer shells. A protection shaft is clamped between the two inner shells. At the lower side of the inner walls of the two outer shells, a mounting plate is jointly provided. A power supply board is fixedly provided at the upper end of the mounting plate. A charging board is fixedly provided at the upper end of the power supply board. And a groove for cooperating with the charging board is jointly opened on the outer surfaces of the two outer shells.

[0008] By adopting the above technical solution, the overall structure design is simple, reliable in use, convenient to operate, and has high convenience.

[0009] Optionally, a motor is fixedly provided on the inner surface of the protection shaft, the output end of the motor is fixedly connected to the output shaft, a protection cover is provided at one end of the protection shaft, a protection rear tube is provided at the other end of the protection shaft, and a protection rear cover is provided at one end of the protection rear tube.

[0010] By adopting the above technical solution, the driving structure is protected, the bearing and supporting strength of the driving structure is improved, the output of the battery is made more stable, and the safety performance is improved.

[0011] Optionally, the two inner shells and the outer shell are both mirror-image distributed, and the two outer shells are connected by a plurality of bolts in cooperation.

[0012] By adopting the above technical solution, the mirror-image arranged inner shell and outer shell form a double-layer shell structure, which can better protect the internal structure, and the bolt connection in cooperation makes the battery easy to disassemble for maintenance.

[0013] Optionally, a protection sleeve is clamped between the two inner shells, and a through groove is opened at one end of the protection sleeve, and the outer surface of the output shaft is in movable contact with the inner wall of the through groove.

[0014] By adopting the above technical solution, the rotation of the output shaft is protected and supported by the protection sleeve, and the stability of the rotation of the output shaft is improved.

[0015] Optionally, a protection ring is sleeved on the outer surface of the output shaft, and one end of the protection ring is clamped and connected to the inner walls of the two outer shells.

[0016] By adopting the above technical solution, the rotation effect of the output shaft is further improved by the protection ring, and the output of the battery is made more stable.

[0017] Optionally, both ends of the protection rear tube are respectively clamped and connected to the protection rear cover and the protection shaft.

[0018] By adopting the above technical solution, the protection structure is convenient to assemble during installation, and the stability after assembly is high.

[0019] Optionally, one end of the button is in movable contact with a trigger member, and the trigger member is electrically connected to the motor.

[0020] By adopting the above technical solution, pressing the button drives the motor to start through the trigger member, thereby driving the battery to start, which is convenient to operate and has high convenience.

[0021] Optionally, a strengthening bearing is sleeved on the outer surface of the output end of the motor, and the strengthening bearing is specifically a ball bearing.

[0022] By adopting the above technical solution, a bearing groove for cooperating with the rotation of the bearing is provided inside the housing, which can improve the rotation effect of the output end of the motor.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. Through the design of the double-layer housing structure, the present application can better protect the internal structure, has high installation performance, simple overall structure design, reliable use, convenient operation, and high convenience;

[0025] 2. The present application protects the driving structure through multiple protection structures, improves the bearing and supporting strength of the driving structure, makes the output of the electric plate more stable, and further improves the safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the present application.

[0027] Figure 2 is an exploded view of the overall structure of the present application.

[0028] Figure 3 is an exploded view of the protection shaft and its related structures of the present application.

[0029] In the figure, 1. outer housing; 11. inner housing; 2. protective sleeve; 3. button; 31. trigger; 4. output shaft; 41. protective ring; 5. charging board; 51. mounting plate; 52. power board; 53. groove; 6. protection shaft; 61. motor; 62. reinforcing bearing; 63. protective cover; 64. protective rear tube; 65. protective rear cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following will further describe the present application in detail with reference to the Figure 1 - attached Figure 3 drawings.

[0031] Embodiment 1

[0032] Safety electric wrench, refer to Figure 1-2, including two outer shells 1. At the same-side ends of the two outer shells 1, a rotatable output shaft 4 is jointly provided. Inside each of the two outer shells 1, an inner shell 11 is snap-fitted. Between the two outer shells 1, a button 3 is snap-fitted. Between the two inner shells 11, a protection shaft 6 is snap-fitted. At the lower side of the inner walls of the two outer shells 1, a mounting plate 51 is jointly provided. At the upper end of the mounting plate 51, a power supply board 52 is welded. In the interiors of the two outer shells 1, a board slot for cooperating with the power supply board 52 is opened. At the upper end of the power supply board 52, a charging board 5 is provided. And on the outer surfaces of the two outer shells 1, a groove 53 for cooperating with the charging board 5 is jointly opened. The outer shell 1 and the inner shell 11 can protect the internal structure. The output shaft 4 is the output end of the battery. The mounting plate 51 supports the power supply board 52 as the battery of the battery. Through the charging board 5 in the groove 53, the battery can be charged. Press the button 3 to start the battery. The overall structure is simply designed and reliable in use.

[0033] Refer to Figure 2 , the two inner shells 11 and the outer shells 1 are both mirror-symmetrically distributed. And between the two outer shells 1, they are connected by a plurality of bolts in cooperation. The mirror-symmetrically arranged inner shells 11 and outer shells 1 form a double-layer shell structure, which can better protect the internal structure. And the bolt connection in cooperation makes it convenient to disassemble the battery for maintenance.

[0034] Refer to Figure 2-3 , between the two inner shells 11, a protective sleeve 2 is snap-fitted. And at one end of the protective sleeve 2, a through groove is opened. And the outer surface of the output shaft 4 is in movable contact with the inner wall of the through groove. A protective ring 41 is sleeved on the outer surface of the output shaft 4. And one end of the protective ring 41 is snap-fitted and connected to the inner walls of the two outer shells 1. Through the protective sleeve 2, the rotation of the output shaft 4 is protected and supported, improving the stability of the rotation of the output shaft 4. Through the protective ring 41, the rotation effect of the output shaft 4 is further improved, making the output of the battery more stable.

[0035] The implementation principle of the embodiment of this application is as follows: The outer shell 1 and the inner shell 11 can protect the internal structure. The output shaft 4 is the output end of the battery. The mounting plate 51 supports the power supply board 52 as the battery of the battery. Through the charging board 5 in the groove 53, the battery can be charged. Press the button 3 to start the battery. The overall structure is simply designed and reliable in use;

[0036] The mirror-symmetrically arranged inner shells 11 and outer shells 1 form a double-layer shell structure, which can better protect the internal structure. And the bolt connection in cooperation makes it convenient to disassemble the battery for maintenance;

[0037] Through the protective sleeve 2, the rotation of the output shaft 4 is protected and supported, improving the stability of the rotation of the output shaft 4. Through the protective ring 41, the rotation effect of the output shaft 4 is further improved, making the output of the battery more stable.

[0038] Embodiment 2

[0039] The difference between this embodiment and Embodiment 1 lies in that:

[0040] Referring to Figure 3 , a motor 61 is welded to the inner surface of the protection shaft 6. The output end of the motor 61 is welded to the output shaft 4. A reinforcing bearing 62 is sleeved on the outer surface of the output end of the motor 61. The reinforcing bearing 62 is specifically a ball bearing. A bearing groove for the bearing to rotate is provided in the shell, which can improve the rotation effect of the output end of the motor 61. One end of the protection shaft 6 is connected with a protection cover 63 by bolts. The other end of the protection shaft 6 is provided with a rear protection tube 64. One end of the rear protection tube 64 is provided with a rear protection cover 65. Both ends of the rear protection tube 64 are respectively clamped and connected with the rear protection cover 65 and the protection shaft 6. This makes the protection structure easy to assemble during installation, and the stability after assembly is relatively high. The motor 61 is protected by the protection shaft 6. When the motor 61 starts, it can drive the output shaft 4 to output. The output position of the motor 61 is protected and supported by the protection cover 63. The rear end of the motor 61 is protected and supported by the rear protection tube 64 and the rear protection cover 65, improving the load-bearing and supporting strength of the drive structure, making the output of the battery more stable, and further improving the safety performance.

[0041] Referring to Figure 3 , one end of the button 3 is in movable contact with a trigger 31. The trigger 31 is electrically connected to the motor 61. Pressing the button 3 drives the motor 61 to start through the trigger 31, thereby driving the battery to start, which is convenient to operate and has high convenience.

[0042] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A safety switch, comprising two outer shells (1), characterized in that: An output shaft (4) is provided at one end of the same side of the two outer shells (1), an inner shell (11) is provided inside the two outer shells (1), a button (3) is provided between the two outer shells (1), a protective shaft (6) is clamped between the two inner shells (11), a mounting plate (51) is provided on the lower side of the inner wall of the two outer shells (1), a power supply plate (52) is fixedly provided at the upper end of the mounting plate (51), a charging plate (5) is fixedly provided at the upper end of the power supply plate (52), and a groove (53) used in conjunction with the charging plate (5) is provided on the outer surfaces of the two outer shells (1).

2. The safety switch according to claim 1, characterized in that: A motor (61) is fixedly arranged on the inner surface of the protection shaft (6); the output end of the motor (61) is fixedly connected to the output shaft (4); a protection cover (63) is arranged at one end of the protection shaft (6); a protection rear tube (64) is arranged at the other end of the protection shaft (6); and a protection rear cover (65) is arranged at one end of the protection rear tube (64).

3. The safety switch according to claim 1, characterized in that: The two inner shells (11) and the outer shell (1) are distributed in a mirror image, and the two outer shells (1) are connected by a plurality of bolts.

4. The safety switch according to claim 1, characterized in that: A protective sleeve (2) is clamped between the two inner shells (11), and a through slot is provided at one end of the protective sleeve (2), and the outer surface of the output shaft (4) is in active contact with the inner wall of the through slot.

5. The safety switch according to claim 1, characterized in that: A protective ring (41) is sleeved on the outer surface of the output shaft (4), and one end of the protective ring (41) is snap-connected to the inner walls of the two outer shells (1).

6. The safety switch according to claim 2, characterized in that: Both ends of the protective rear tube (64) are connected to the protective rear cover (65) and the protective shaft (6) by snap-fitting.

7. The safety switch according to claim 2, characterized in that: One end of the button (3) is movably in contact with a trigger member (31), and the trigger member (31) is electrically connected to the motor (61).

8. The safety switch according to claim 2, characterized in that: A reinforced bearing (62) is sleeved on the outer surface of the output end of the motor (61), and the reinforced bearing (62) is specifically a ball bearing.

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