Mine explosion-proof handheld torque wrench

Abstract

A motor bin body is installed in a machine shell, a motor is installed on the upper portion of the motor bin body, the output end of the motor is connected with a square shaft through a gear box, and a motor bin rear cover is arranged on the right side of the motor bin body; a battery bin lower cover is installed at the bottom of the motor bin body, a battery bin cover is installed at the lower end of the battery bin lower cover, and meanwhile a battery bin body is arranged below the battery bin cover. According to the mine explosion-proof type handheld torque wrench, the machine shell and the motor bin body are arranged, the motor bin body is made of stainless steel materials and is firmer, the explosion-proof effect is achieved, meanwhile, the surface of the machine shell is wrapped with nylon materials, the flame-retardant and anti-static effects are achieved, the battery bin cover and the battery bin body are additionally arranged, and therefore the anti-explosion effect is achieved. And the electric wrench replaces a manual wrench, so that the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the mechanical technical field, specifically to a mine explosion-proof handheld torque wrench. BACKGROUND

[0002] The existing coal mine environment is special, and conventional electric tools cannot be used for operation in the coal mine, only ordinary manual tools or pneumatic tools can be used for operation, and the use of electric tools that cannot meet safety regulations is widespread in coal mines, and most of the torque wrenches do not have quick disassembly and explosion-proof functions. SUMMARY

[0003] The purpose of the present application is to provide a mine explosion-proof handheld torque wrench to solve the problems of the existing coal mine environment being special, conventional electric tools being unable to be used for operation in the coal mine, only ordinary manual tools or pneumatic tools being able to be used for operation, and the use of electric tools that cannot meet safety regulations being widespread in coal mines, and most of the torque wrenches not having quick disassembly and explosion-proof functions.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a mine explosion-proof handheld torque wrench, comprising a shell, a square shaft, a gear box, a motor, a motor compartment, a motor compartment rear cover, a fan, a lower plug-in seat, a nut, an explosion-proof wall-penetrating terminal, a first screw, a battery compartment lower cover, an upper plug-in seat, a second screw, a third screw, a battery compartment cover, a circuit board, a battery and a battery compartment, the inside of the shell is provided with the motor compartment, and the upper part of the motor compartment is provided with the motor, the output end of the motor is connected with the square shaft through the gear box, the right side of the motor compartment is provided with the motor compartment rear cover, the bottom of the motor compartment is provided with the battery compartment lower cover, and the lower end of the battery compartment lower cover is provided with the battery compartment cover, and the lower part of the battery compartment cover is provided with the battery compartment.

[0005] Preferably, the right side of the motor compartment rear cover is provided with the fan.

[0006] Preferably, the motor compartment is made of 304 stainless steel.

[0007] Preferably, the outer layer of the shell is wrapped with nylon material.

[0008] Preferably, the battery compartment cover and the battery compartment are provided with the battery, the upper part of the battery is provided with the circuit board, and the upper part of the circuit board is provided with the lower plug-in seat, and the upper part of the lower plug-in seat is provided with the upper plug-in seat.

[0009] Preferably, the battery compartment lower cover and the battery compartment cover can be connected through threads.

[0010] Preferably, the third screw is connected and fixed on the same side of the battery compartment lower cover and the battery compartment cover.

[0011] Preferably, the battery compartment cover and the battery compartment body are connected and fixed by the second screw.

[0012] Preferably, the motor compartment body and the battery compartment lower cover are connected and fixed by the first screw.

[0013] Preferably, the outer portion of the upper plug-in seat is provided with an explosion-proof wall-penetrating terminal, and the outer portion of the explosion-proof wall-penetrating terminal is provided with a nut.

[0014] Compared with the prior art, the mine explosion-proof handheld torque wrench has the machine shell and the motor compartment body, the motor compartment body is made of stainless steel material, is more solid, plays an explosion-proof role, the surface of the machine shell is wrapped with nylon material, plays a flame-retardant and anti-static role, the battery compartment cover and the battery compartment body are provided, and the two are connected and disassembled and assembled by the screw, the electric wrench replaces the manual wrench, and the efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall side structure schematic view of the present application;

[0016] Figure 2 It is an overall explosion disassembly structure schematic view of the present application;

[0017] Figure 3 It is an upper explosion disassembly structure schematic view of the present application;

[0018] Figure 4 It is a lower explosion disassembly structure schematic view of the present application.

[0019] In the figure: 1, machine shell; 2, square shaft; 3, gear box; 4, motor; 5, motor compartment body; 6, motor compartment rear cover; 7, fan; 8, lower plug-in seat; 9, nut; 10, explosion-proof wall-penetrating terminal; 11, first screw; 12, battery compartment lower cover; 13, upper plug-in seat; 14, second screw; 15, third screw; 16, battery compartment cover; 17, circuit board; 18, battery; 19, battery compartment body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4The application provides a technical scheme: a mine explosion-proof handheld torque wrench, which comprises a shell 1 and a motor 4, a motor compartment body 5 is arranged in the shell 1, the upper portion of the motor compartment body 5 is provided with the motor 4, the output end of the motor 4 is connected with a four-square shaft 2 through a gear box 3, the right side of the motor compartment body 5 is provided with a motor compartment rear cover 6, the bottom of the motor compartment body 5 is provided with a battery compartment lower cover 12, the lower end of the battery compartment lower cover 12 is provided with a battery compartment cover 16, and the lower portion of the battery compartment cover 16 is provided with a battery compartment body 19.

[0022] The right side of the motor compartment rear cover 6 is provided with a fan 7, so that the wrench can be quickly cooled.

[0023] The motor compartment body 5 is made of 304 stainless steel, and has the effects of explosion prevention and explosion resistance.

[0024] The outer layer of the shell 1 is wrapped with nylon material, has the effects of flame retardation and anti-static, and prevents causing mine explosion.

[0025] The battery compartment cover 16 and the battery compartment body 19 are provided with a battery 18, the upper portion of the battery 18 is provided with a circuit board 17, the upper portion of the circuit board 17 is provided with a lower plug-in seat 8, and the upper portion of the lower plug-in seat 8 is provided with an upper plug-in seat 13.

[0026] The battery compartment lower cover 12 and the battery compartment cover 16 can be connected through threads, the internal thread of the battery compartment lower cover 12 and the external thread of the battery compartment cover 16 are coupled and fixed through thread connection.

[0027] The battery compartment lower cover 12 and the battery compartment cover 16 are connected and fixed through a third screw 15 on the same side, so that the battery compartment lower cover 12 and the battery compartment cover 16 can be conveniently disassembled and assembled.

[0028] The battery compartment cover 16 and the battery compartment body 19 are connected and fixed through a second screw 14, so that the battery compartment cover 16 and the battery compartment body 19 can be conveniently disassembled and assembled.

[0029] The motor compartment body 5 and the battery compartment lower cover 12 are connected and fixed through a first screw 11, so that the motor compartment body 5 and the battery compartment lower cover 12 can be conveniently disassembled and assembled.

[0030] The outer portion of the upper plug-in seat 13 is provided with an explosion-proof wall-penetrating terminal 10, and the outer portion of the explosion-proof wall-penetrating terminal 10 is provided with a nut 9.

[0031] Working principle: the mine explosion-proof handheld torque wrench, using the structure design of pistol drill type, motor warehouse body 5 structure uses 304 stainless steel and has support structure, the outer layer of the shell 1 is wrapped with durable flame-retardant antistatic nylon material, the explosion-proof housing of the explosion-proof handheld torque wrench is composed of the motor warehouse body 5, the motor warehouse rear cover 6, the explosion-proof wall penetrating terminal 10, the battery warehouse lower cover 12, the battery warehouse cover 16, the battery warehouse body 19, the explosion-proof structure of the explosion-proof handheld torque wrench is designed by the combination of threaded explosion-proof surface, cylindrical explosion-proof surface and flat explosion-proof surface, and the design meets the explosion-proof standard; the explosion-proof handheld torque wrench adopts quick-release battery warehouse design, and the battery warehouse is composed of the battery warehouse body 19, the battery 18, the circuit board 17, the battery warehouse cover 16, screws and the upper plug-in seat 13.

[0032] The inner thread of the battery warehouse lower cover 12 is connected and screwed clockwise with the outer thread of the battery warehouse cover 16, and after being screwed in place, is locked and fixed by the M5*20 third screw 15 and the nut 9, so that the upper plug-in seat 13 is in contact with the lower plug-in seat 8 to realize power supply, when the battery warehouse is replaced, a special tool is used to disassemble the M4*14 second screw 14 to unlock, the battery warehouse is rotated counterclockwise, and after the thread is completely tripped, the battery warehouse is removed for replacement. When installing the battery warehouse, the inner thread of the battery warehouse lower cover 12 of the battery warehouse is aligned with the outer thread of the battery warehouse cover 16, the battery warehouse is rotated clockwise to the limit, a special tool is used to fasten the M5*20 third screw 15, and the quick replacement of the battery warehouse is completed, which completes the whole work, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0033] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is a simplified description for the convenience of describing the present application, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the present application.

[0034] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A mine explosion-proof handheld torque wrench, comprising a housing (1) and a motor housing (5), characterized in that: The motor housing (1) is equipped with a motor compartment (5) inside, and a motor (4) is installed on the upper part of the motor compartment (5). The output end of the motor (4) is connected to a square shaft (2) through a gearbox (3). A motor compartment rear cover (6) is provided on the right side of the motor compartment (5). A battery compartment lower cover (12) is provided at the bottom of the motor compartment (5), and a battery compartment cover (16) is installed at the lower end of the battery compartment lower cover (12). At the same time, a battery compartment body (19) is provided below the battery compartment cover (16).

2. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: A fan (7) is installed on the right side of the rear cover (6) of the motor compartment.

3. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: The motor housing (5) is made of 304 stainless steel.

4. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: The outer layer of the housing (1) is covered with nylon material.

5. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: A battery (18) is installed between the battery compartment cover (16) and the battery compartment body (19), and a circuit board (17) is installed above the battery (18). At the same time, a lower connector (8) is installed above the circuit board (17), and an upper connector (13) is installed on the upper part of the lower connector (8).

6. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: The battery compartment cover (12) and the battery compartment cover (16) can be connected by threads.

7. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: The lower cover (12) of the battery compartment is connected and fixed to the third screw (15) on the same side of the battery compartment cover (16).

8. The explosion-proof handheld torque wrench for mines according to claim 1, characterized in that: The battery compartment cover (16) and the battery compartment body (19) are connected and fixed by a second screw (14).

9. The mine explosion-proof handheld torque wrench according to claim 1, characterized in that: The motor compartment (5) and the battery compartment cover (12) are connected and fixed by the first screw (11).

10. The mine explosion-proof handheld torque wrench according to claim 5, characterized in that: The upper plug-in socket (13) is equipped with an explosion-proof wall-penetrating terminal (10), and the explosion-proof wall-penetrating terminal (10) is provided with a nut (9) on its exterior.

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