Multifunctional wrench for maintenance

Abstract

The multifunctional wrench for maintenance comprises a working bin, a first arc-shaped rack is rotationally arranged in the working bin, a first supporting block is arranged on the first arc-shaped rack, five multi-stage electric telescopic cylinders are arranged in the first arc-shaped rack, and a second supporting block is arranged on the second arc-shaped rack. The telescopic ends of the five multi-stage electric telescopic cylinders are each provided with a second supporting block, the second supporting blocks are movably installed in the first supporting blocks, a pair of first motors is arranged in the working bin, and the driving ends of the pair of first motors are each provided with a first gear. The utility model relates to the technical field of maintenance tools, according to the design, the angle between the working bin and the handle can be adjusted, the handle does not need to be inclined, a worker can assemble and disassemble a nut conveniently when equipment is maintained in a narrow space, and the working efficiency is improved. And the maintenance efficiency of workers is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance tools, in particular to a multifunctional wrench for maintenance. Background Art

[0002] An electric wrench is an electric tool for tightening and loosening bolts and nuts. It is a tool for tightening high-strength bolts and is widely used in the automotive, motor and electrical appliances, power machinery, valves, water pumps, and textile machinery industries. It is easy to operate and saves time and effort. At present, when repairing equipment with a small operating space and a long screw, ordinary socket wrenches are affected by the screw and cannot disassemble and assemble the nuts. The operating space for using open-end wrenches is insufficient, which affects the efficiency of the staff in disassembling and assembling the nuts, and thus affects the maintenance efficiency.

[0003] For example, a utility model patent with authorization announcement number CN219685376U discloses a multifunctional wrench for maintenance, which specifically relates to the field of wrench technology. The utility model includes a first head body and a second head body, and the first head body and the second head body are connected by an adjustable device. The adjustable device includes two sleeves, one side of the two sleeves is fixedly connected to one side of the first head body and the second head body respectively, and the inner walls of the two sleeves are slidably connected with the same sliding rod. When the device is used to repair equipment with a small operating space, the operating space of the open-end wrench is insufficient, resulting in the need for the staff to tilt the wrench to load and unload the nuts, which is more laborious and affects the efficiency of the staff in disassembling and installing the nuts, thereby affecting the maintenance efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a multifunctional wrench for maintenance, which solves the problem that when the existing wrench is used to repair equipment with a small operating space and a screw that is too long, an ordinary socket wrench is affected by the screw and cannot disassemble the nut, and the operating space is insufficient when using an open-end wrench, which affects the efficiency of the staff in disassembling and installing the nut, thereby affecting the maintenance efficiency.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multifunctional wrench for maintenance, including a working compartment, a first arc-shaped rack rotatably arranged in the working compartment, a first support block arranged on the first arc-shaped rack, five multi-stage electric telescopic cylinders arranged in the first arc-shaped rack, second support blocks are respectively arranged on the telescopic ends of the five multi-stage electric telescopic cylinders, the second support blocks are movably installed in the first support blocks, a pair of first motors are arranged in the working compartment, first gears are respectively arranged on the driving ends of the pair of first motors, the first gears are meshed with the first arc-shaped rack, and a rotating mechanism is arranged in the working compartment.

[0006] Preferably, the rotating mechanism includes a handle, a pair of support columns are provided on the handle, a second arc-shaped rack is provided at the bottom of the handle, a pair of mounting blocks are provided in the working chamber, the handle is rotatably installed in the mounting blocks through the support columns, a second motor is provided in the working chamber, a second gear is provided on the driving end of the second motor, and the second gear and the second arc-shaped rack are meshed with each other.

[0007] Preferably, a slide groove is provided on the handle, a slider is slidably installed in the slide groove, a support frame is provided on the slider, and the support frame is slidably installed on the handle through the slider.

[0008] Preferably, a knob is provided on the support frame, a cam is rotatably installed in the slider, the knob is connected to the cam, a pair of first support rods are rotatably provided on the cam, a pair of second support rods are rotatably provided on the first support rods, and the second support rods are slidably provided in the slider.

[0009] Preferably, a pair of first grooves and a pair of second grooves are provided in the slide groove, and the second support rod is movably provided in the first grooves and the second grooves.

[0010] Preferably, a pair of auxiliary blocks are rotatably provided on the handle, the support frame is movably provided on the auxiliary blocks, and a storage battery is provided in the working compartment.

[0011] Beneficial Effects

[0012] The multifunctional maintenance wrench provided by the utility model has the following beneficial effects:

[0013] The rotating mechanism of the present design includes a handle, a pair of supporting columns are arranged on the handle, a second arc-shaped rack is arranged at the bottom of the handle, a pair of mounting blocks are arranged in the working chamber, the handle is rotatably mounted in the mounting blocks through the supporting columns, a second motor is arranged in the working chamber, a second gear is arranged on the driving end of the second motor, the second gear is meshed with the second arc-shaped rack, and the device can adjust the angle between the working chamber and the handle without tilting the handle, which is convenient for the staff to load and unload the nuts when repairing the equipment in a narrow space, thereby improving the maintenance efficiency of the staff.

[0014] The working bin of the present invention is provided with a first arc-shaped rack for rotation, a first supporting block is provided on the first arc-shaped rack, five multi-stage electric telescopic cylinders are provided in the first arc-shaped rack, second supporting blocks are provided on the telescopic ends of the five multi-stage electric telescopic cylinders, the second supporting blocks are movably installed in the first supporting blocks, a pair of first motors are provided in the working bin, first gears are provided on the driving ends of the pair of first motors, the first gears are meshed with the first arc-shaped rack, the device can remove bolts with too long screw rods or nuts with pipes in the middle, and is more widely used than ordinary socket wrenches. At the same time, the size of the wrench opening can be adjusted, thereby improving the wide application of the wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the whole of the utility model.

[0016] Figure 2 It is a schematic diagram of the whole of the utility model.

[0017] Figure 3 It is a schematic diagram of the handle of the utility model.

[0018] Figure 4 It is a schematic diagram of the slider of the utility model.

[0019] In the figure: 1. handle; 2. support column; 3. mounting block; 4. first gear; 5. working compartment; 6. first motor; 7. first arc-shaped rack; 8. multi-stage electric telescopic cylinder; 9. second support block; 10. first support block; 11. second motor; 12. second gear; 13. auxiliary block; 14. slide groove; 15. knob; 16. support frame; 17. battery; 18. second arc-shaped rack; 19. first groove; 20. second groove; 21. slider; 22. cam; 23. first support rod; 24. second support rod. 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] See also Figure 1-4The utility model provides a technical solution: a multifunctional wrench for maintenance, including a working bin 5, characterized in that a first arc-shaped rack 7 is rotatably arranged in the working bin 5, a first supporting block 10 is arranged on the first arc-shaped rack 7, five multi-stage electric telescopic cylinders 8 are arranged in the first arc-shaped rack 7, and second supporting blocks 9 are respectively arranged on the telescopic ends of the five multi-stage electric telescopic cylinders 8, and the second supporting blocks 9 are movably installed in the first supporting blocks 10, a pair of first motors 6 are arranged in the working bin 5, and first gears 4 are respectively arranged on the driving ends of the pair of first motors 6, and the first gears 4 are meshed with the first arc-shaped rack 7, and a rotating mechanism is arranged in the working bin 5;

[0022] The first motor 6 is driven to rotate, which drives the first gear 4 to rotate, so that the first arc-shaped rack 7 rotates, controls the first support block 10 to rotate, and then rotates the second support block 9. The electric wrench can make it easier for the staff to load and unload the nut;

[0023] The working chamber 5 is provided with an opening, and the nut is arranged at the opening of the working chamber 5 and is placed in the second supporting block 9, so that the bolts with too long screw rods or the nuts with pipes in the middle can be removed, and the application is more extensive than that of ordinary socket wrenches;

[0024] By driving the multi-stage electric telescopic cylinder 8 to extend and retract, and then controlling the movement of the second support block 9, the size of the wrench opening can be adjusted, which is convenient for workers to load and unload nuts of different types, thereby improving the wide application of the wrench.

[0025] The present embodiment is further configured that the rotating mechanism includes a handle 1, a pair of support columns 2 are provided on the handle 1, a second arc-shaped rack 18 is provided at the bottom of the handle 1, a pair of mounting blocks 3 are provided in the working chamber 5, the handle 1 is rotatably mounted in the mounting blocks 3 through the support columns 2, a second motor 11 is provided in the working chamber 5, a second gear 12 is provided on the driving end of the second motor 11, and the second gear 12 is meshed with the second arc-shaped rack 18;

[0026] The second motor 11 is driven to rotate, which drives the second gear 12 to rotate, so that the second arc-shaped rack 18 rotates, and then the handle 1 rotates. The angle between the handle 1 and the working chamber 5 can be adjusted, which is convenient for the staff to load and unload nuts in special positions, thereby improving the maintenance efficiency of the staff.

[0027] This embodiment is further configured as follows: a slide groove 14 is provided on the handle 1 , a slider 21 is slidably installed in the slide groove 14 , a support frame 16 is provided on the slider 21 , and the support frame 16 is slidably installed on the handle 1 through the slider 21 .

[0028] This embodiment is further configured as follows: a knob 15 is provided on the support frame 16, a cam 22 is rotatably installed in the slider 21, the knob 15 is connected to the cam 22, a pair of first support rods 23 are rotatably provided on the cam 22, a pair of first support rods 23 are respectively rotatably provided with second support rods 24, and the second support rods 24 are slidably provided in the slider 21;

[0029] The knob 15 is turned to rotate the cam 22 , thereby driving the first support rod 23 to move, thereby controlling the second support rod 24 to be movable in the first groove 19 and the second groove 20 .

[0030] This embodiment is further configured such that a pair of first grooves 19 and a pair of second grooves 20 are provided in the slide groove 14, and the second support rod 24 is movably provided in the first groove 19 and the second groove 20;

[0031] The second support rod 24 is disposed in the first groove 19 to fix the support frame 16, and further fix the auxiliary block 13 through the support frame 16;

[0032] The second support rod 24 is disposed in the second groove 20 to fix the support frame 16 , and the rotation auxiliary block 13 is moved onto the support frame 16 to play a supporting role.

[0033] This embodiment is further configured such that a pair of auxiliary blocks 13 are rotatably provided on the handle 1, the support frame 16 is movably provided on the auxiliary blocks 13, and a battery 17 is provided in the working compartment 5;

[0034] The staff can fix the wrench more easily by using the auxiliary block 13, so as to prevent the wrench from being out of control due to excessive torque during use;

[0035] The storage battery 17 supplies power to the equipment, which is an existing mature technology and its power supply method is common technical knowledge, so its structure is not described in detail.

[0036] Embodiment: When repairing equipment with a narrow operating space and an overly long screw, the knob 15 is turned to rotate the cam 22, driving the first support rod 23 to move, thereby controlling the second support rod 24 to move away from the first groove 19, and moving the support frame 16 to the second groove 20, so that the cam 22 is rotated, driving the first support rod 23 to move, and then controlling the second support rod 24 to be inserted into the second groove 20, which can fix the support frame 16, and rotating the auxiliary block 13 to move onto the support frame 16, which can play a supporting role, driving the second motor 11 to rotate, driving the second gear 12 to rotate, and rotating the second arc-shaped rack 18, thereby rotating the handle 1, and adjusting the angle between the handle 1 and the working chamber 5 as needed, so that the staff can load and unload nuts at special positions conveniently, thereby improving the maintenance efficiency of the staff. An opening is provided on the working chamber 5, and a nut is arranged at the opening of the working chamber 5 and placed in the second supporting block 9. Bolts with too long screw rods or nuts with pipes in the middle can be removed. Compared with ordinary socket wrenches, it is more widely used. The multi-stage electric telescopic cylinder 8 is driven to extend and retract, thereby controlling the movement of the second supporting block 9. The size of the wrench opening can be adjusted, and nuts of different types can be clamped, thereby improving the wide application of the wrench. The first motor 6 is driven to rotate, which drives the first gear 4 to rotate, so that the first arc-shaped rack 7 rotates, controls the first supporting block 10 to rotate, and then rotates the second supporting block 9. The use of an electric wrench can make it easier for workers to load and unload nuts. The staff can more easily fix the wrench through the auxiliary block 13 to prevent the wrench from being out of control due to excessive torque during use.

[0037] 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 multifunctional wrench for maintenance, comprising a working chamber (5), characterized in that: A first arc-shaped rack (7) is rotatably arranged in the working chamber (5), a first support block (10) is arranged on the first arc-shaped rack (7), five multi-stage electric telescopic cylinders (8) are arranged in the first arc-shaped rack (7), second support blocks (9) are respectively arranged on the telescopic ends of the five multi-stage electric telescopic cylinders (8), and the second support blocks (9) are movably installed in the first support block (10), a pair of first motors (6) are arranged in the working chamber (5), first gears (4) are respectively arranged on the driving ends of the pair of first motors (6), the first gears (4) and the first arc-shaped rack (7) are meshed, and a rotating mechanism is arranged in the working chamber (5).

2. The multifunctional maintenance wrench according to claim 1, characterized in that: The rotating mechanism comprises a handle (1), a pair of support columns (2) are arranged on the handle (1), a second arc-shaped rack (18) is arranged at the bottom of the handle (1), a pair of mounting blocks (3) are arranged in the working chamber (5), the handle (1) is rotatably mounted in the mounting blocks (3) through the support columns (2), a second motor (11) is arranged in the working chamber (5), a second gear (12) is arranged on the driving end of the second motor (11), and the second gear (12) and the second arc-shaped rack (18) are meshed.

3. The multifunctional maintenance wrench according to claim 2, characterized in that: The handle (1) is provided with a slide groove (14), a slider (21) is slidably mounted in the slide groove (14), a support frame (16) is provided on the slider (21), and the support frame (16) is slidably mounted on the handle (1) through the slider (21).

4. The multifunctional maintenance wrench according to claim 3, characterized in that: The support frame (16) is provided with a knob (15), a cam (22) is rotatably mounted in the slider (21), the knob (15) is connected to the cam (22), a pair of first support rods (23) are rotatably provided on the cam (22), a pair of second support rods (24) are rotatably provided on the pair of first support rods (23), and the second support rods (24) are slidably provided in the slider (21).

5. The multifunctional maintenance wrench according to claim 4, characterized in that: A pair of first grooves (19) and a pair of second grooves (20) are arranged in the slide groove (14), and the second support rod (24) is movably arranged in the first groove (19) and the second groove (20).

6. The multifunctional maintenance wrench according to claim 5, characterized in that: A pair of auxiliary blocks (13) are rotatably arranged on the handle (1), the support frame (16) is movably arranged on the auxiliary blocks (13), and a storage battery (17) is arranged in the working compartment (5).

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