CN210476777U - Electric wrench - Google Patents

Abstract

The utility model belongs to the technical field of repair tools, especially, electric spanner, including hypoplastron and upper plate, upper plate fixed mounting has seted up first recess at the top of hypoplastron, and first recess extends to on the hypoplastron, has seted up same first cavity on upper plate and the hypoplastron, and first cavity and first recess intercommunication, first recess internal rotation are installed the top and are open-ended joint sleeve, and outside the telescopic top of joint extended to first recess, fixed mounting had three hydraulic component on the telescopic outer wall of joint, and three hydraulic component circularized array distributes, has seted up three first through-hole on the telescopic inner wall of joint. The utility model discloses simple structure, convenient operation cooperatees through hydraulic assembly, motor and reduction gear group, and then can realize wireless operation, has reduced equipment volume and vibration noise, makes things convenient for people to carry the operation, has improved the security of taking some operations, satisfies people's in-service use demand.

Description

Electric wrench

Technical Field

The utility model relates to a repair tools technical field especially relates to an electric spanner.

Background

A wrench is a common mounting and dismounting tool, utilizes the lever principle to turn a bolt, a screw, a nut and other manual tools for tightly screwing the opening or trepanning firmware of the bolt or the nut, is widely applied to the field of mechanical or electrical equipment mounting and maintenance, the current wrenches are various, mainly including pneumatic wrenches, electric wrenches and hydraulic wrenches, especially electric wrenches, and are widely applied to the field of installation and maintenance of power equipment, the current manual live-wire work is generally high-altitude work, the working conditions are severe, the labor intensity is high, safety accidents are easily caused, limits the live-line work of power distribution, causes frequent power failure work of the distribution line and incomplete power distribution reliability index, therefore, the tool with the wireless operation function is key for overcoming the difficulty and limitation of manual live working and improving the safety of the live working.

However, the existing electric wrench has disadvantages that it does not have a wireless operation function, has a large volume, large working vibration and noise, and does not have a hydraulic automatic clamping function, so that the electric wrench is complicated to operate, is inconvenient to carry and use, and cannot meet the actual use requirements of people, and therefore an electric wrench is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric wrench.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an electric wrench, including hypoplastron and upper plate, upper plate fixed mounting is at the top of hypoplastron, first recess has been seted up at the top of upper plate, first recess extends to on the hypoplastron, same first cavity has been seted up on upper plate and the hypoplastron, first cavity and first recess intercommunication, first recess internal rotation is installed the top and is open-ended joint sleeve, the telescopic top of joint extends outside first recess, fixed mounting has three hydraulic assembly on the telescopic outer wall of joint, three hydraulic assembly circularity array distribution, three first through-hole has been seted up on the telescopic inner wall of joint, fixed mounting has the grip block on the output pole of hydraulic assembly, three grip block runs through corresponding first through-hole respectively, the grip block is in the inner wall sliding connection of corresponding first through-hole, the bottom fixed mounting of hypoplastron has the motor, the internal rotation of first cavity is installed driving gear, first driven gear, Second driven gear and third driven gear, second driven gear fixed mounting is at first driven gear's top, and second driven gear and driving gear meshing, first driven gear and third driven gear meshing, second driven gear is located between third driven gear and the driving gear, fixed cover is equipped with fourth driven gear on the joint sleeve, fourth driven gear rotates and installs in first recess, and fourth driven gear is located three hydraulic assembly's below, one side of third driven gear extend to in the first recess and with fourth driven gear meshing.

Preferably, the upper plate and the lower plate are provided with a same second chamber, a wireless receiving remote control module and a power supply module are fixedly mounted in the second chamber, an indicating lamp set is arranged at the bottom of the lower plate, and the wireless receiving remote control module, the power supply module, the indicating lamp set and the motor are electrically connected through a wire and form a closed loop.

Preferably, the motor is a double-insulation single-phase series-wound motor, and the model of the motor is XQG50-700HM 799.

Preferably, an annular groove is formed in the inner wall of the first groove, the annular groove is communicated with the first cavity, and the three hydraulic assemblies are rotatably mounted in the annular groove.

Preferably, a first bearing is fixedly mounted in the first groove, an inner ring fixing sleeve of the first bearing is sleeved on the clamping sleeve, a second through hole is formed in the inner wall of the bottom of the first groove, a first rotating shaft is rotatably mounted in the second through hole, the top end of the first rotating shaft extends into the first groove and is fixedly connected with the bottom of the clamping sleeve, a second bearing is fixedly sleeved on the first rotating shaft, and an outer ring of the second bearing is fixedly connected with the inner wall of the second through hole.

Preferably, third through holes are formed in the inner wall of the top portion and the inner wall of the bottom portion of the first cavity, the same second rotating shaft is installed in the two third through holes in a rotating mode, the output shaft of the motor is fixedly connected with the bottom end of the second rotating shaft, the second rotating shaft penetrates through the driving gear and is fixedly connected with the driving gear, the two third bearings are fixedly sleeved on the second rotating shaft, and outer rings of the two third bearings are fixedly connected with the inner walls of the corresponding third through holes respectively.

Preferably, fixed mounting has same third pivot on first driven gear and the second driven gear, the third pivot runs through first driven gear and second driven gear, the second recess has all been seted up on the top inner wall of first cavity and the bottom inner wall, the both ends of third pivot extend to respectively in the second recess that corresponds, fixed mounting has the fourth bearing in the second recess, the fixed cover of inner circle of fourth bearing is established in the third pivot, the third recess has all been seted up on the top inner wall of first cavity and the bottom inner wall, same fourth pivot is installed to two third recess internal rotations, the fourth pivot runs through the third driven gear and with third driven gear fixed connection, fixed cover is equipped with two fifth bearings in the fourth pivot, the outer lane of two fifth bearings is corresponding to the inner wall fixed connection of the third recess that corresponds respectively.

Compared with the prior art, the beneficial effects of the utility model are that: cooperate through hydraulic pressure subassembly, joint sleeve, grip block, power module and wireless receiving remote control module to can carry out the centre gripping to the nut or loosen, cooperate through motor, wireless receiving remote control module, power module, joint sleeve, first recess, driving gear, first driven gear, second driven gear, third driven gear and fourth driven gear, thereby can realize speed reduction and increase moment of torsion, and then be convenient for twist the nut and change.

The utility model discloses simple structure, convenient operation cooperatees through hydraulic assembly, motor and reduction gear group, and then can realize wireless operation, has reduced equipment volume and vibration noise, makes things convenient for people to carry the operation, has improved the security of taking some operations, satisfies people's in-service use demand.

Drawings

Fig. 1 is a schematic front sectional view of an electric wrench according to the present invention;

fig. 2 is a schematic view of a top cross-sectional structure of the electric wrench according to the present invention.

In the figure: 1. a lower plate; 2. an upper plate; 3. a first groove; 4. a first chamber; 5. clamping the sleeve; 6. a hydraulic assembly; 7. a first through hole; 8. a clamping block; 9. a motor; 10. a driving gear; 11. a first driven gear; 12. a second driven gear; 13. a third driven gear; 14. A fourth driven gear; 15. a power supply module; 16. and a wireless receiving remote control module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present embodiment provides an electric wrench, which includes a lower plate 1 and an upper plate 2, the upper plate 2 is fixedly installed on the top of the lower plate 1, the top of the upper plate 2 is provided with a first groove 3, the first groove 3 extends to the lower plate 1, the upper plate 2 and the lower plate 1 are provided with a same first chamber 4, the first chamber 4 is communicated with the first groove 3, a clamping sleeve 5 with an open top is rotatably installed in the first groove 3, the top of the clamping sleeve 5 extends out of the first groove 3, three hydraulic assemblies 6 are fixedly installed on the outer wall of the clamping sleeve 5, the three hydraulic assemblies 6 are distributed in an annular array, the inner wall of the clamping sleeve 5 is provided with three first through holes 7, clamping blocks 8 are fixedly installed on an output rod of the hydraulic assemblies 6, the three clamping blocks 8 respectively penetrate through the corresponding first through holes 7, the clamping blocks 8 are slidably connected with the inner walls of the corresponding first through holes 7, a motor 9 is fixedly installed at the bottom of the lower plate 1, a driving gear 10, a first driven gear 11, a second driven gear 12 and a third driven gear 13 are rotatably installed in the first chamber 4, the second driven gear 12 is fixedly installed at the top of the first driven gear 11, the second driven gear 12 is meshed with the driving gear 10, the first driven gear 11 is meshed with the third driven gear 13, the second driven gear 12 is located between the third driven gear 13 and the driving gear 10, a fourth driven gear 14 is fixedly sleeved on the clamping sleeve 5, the fourth driven gear 14 is rotatably installed in the first groove 3, the fourth driven gear 14 is located below the three hydraulic assemblies 6, and one side of the third driven gear 13 extends into the first groove 3 and is meshed with the fourth driven gear 14;

the upper plate 2 and the lower plate 1 are provided with a same second cavity, a wireless receiving remote control module 16 and a power supply module 15 are fixedly installed in the second cavity, an indicating lamp set is arranged at the bottom of the lower plate 1, the wireless receiving remote control module 16, the power supply module 15, the indicating lamp set and a motor 9 are electrically connected through a lead and form a closed loop, the motor 9 is a double-insulation single-phase series excitation type motor, the model of the motor 9 is XQG50-700HM799, an annular groove is formed in the inner wall of the first groove 3 and is communicated with the first cavity 4, three hydraulic assemblies 6 are rotatably installed in the annular groove, a first bearing is fixedly installed in the first groove 3, an inner ring of the first bearing is fixedly sleeved on the clamping sleeve 5, a second through hole is formed in the inner wall of the bottom of the first groove 3, a first rotating shaft is rotatably installed in the second through hole, the top end of the first rotating shaft extends into the first groove 3 and is fixedly connected with the bottom of, a second bearing is fixedly sleeved on the first rotating shaft, the outer ring of the second bearing is fixedly connected with the inner wall of the second through hole, third through holes are respectively arranged on the top inner wall and the bottom inner wall of the first chamber 4, the same second rotating shaft is rotatably arranged in the two third through holes, the output shaft of the motor 9 is fixedly connected with the bottom end of the second rotating shaft, the second rotating shaft penetrates through the driving gear 10 and is fixedly connected with the driving gear 10, two third bearings are fixedly sleeved on the second rotating shaft, the outer rings of the two third bearings are respectively fixedly connected with the inner walls of the corresponding third through holes, the same third rotating shaft is fixedly arranged on the first driven gear 11 and the second driven gear 12, the third rotating shaft penetrates through the first driven gear 11 and the second driven gear 12, second grooves are respectively arranged on the top inner wall and the bottom inner wall of the first chamber 4, and two ends of the third rotating shaft respectively extend into the corresponding second grooves, a fourth bearing is fixedly arranged in the second groove, an inner ring of the fourth bearing is fixedly sleeved on a third rotating shaft, third grooves are formed in the inner wall of the top part and the inner wall of the bottom part of the first cavity 4, the same fourth rotating shaft is rotatably arranged in the two third grooves, the fourth rotating shaft penetrates through the third driven gear 13 and is fixedly connected with the third driven gear 13, two fifth bearings are fixedly sleeved on the fourth rotating shaft, outer rings of the two fifth bearings are fixedly connected with the inner walls of the corresponding third grooves respectively, and the nuts can be clamped or loosened through the cooperation of the hydraulic assembly 6, the clamping sleeve 5, the clamping block 8, the power module 15 and the wireless receiving remote control module 16, and the motors 9, the wireless receiving remote control module 16, the power module 15, the clamping sleeve 5, the first groove, the driving gear 10, the first driven gear 11 and the second driven gear 12, Third driven gear 13 and fourth driven gear 14 cooperate to can realize slowing down and increase the moment of torsion, and then be convenient for twist the commentaries on classics to the nut, the utility model discloses simple structure, convenient operation cooperatees through hydraulic assembly 6, motor 9 and reduction gear group, and then can realize wireless operation, has reduced equipment volume and noise vibration, makes things convenient for people to carry the operation, has improved the security of taking some operations, satisfies people's in-service use demand.

The working principle is as follows: when the clamping device is used, the clamping sleeve 5 is sleeved on a nut, then a clamping signal is sent out through a remote control device, the wireless remote control receiving module 16 receives the signal and then opens the three hydraulic assemblies 6, output rods of the three hydraulic assemblies 6 respectively drive the three clamping blocks 8 to slide in the corresponding first through holes 7 and approach each other, so that the nut is clamped, then a rotation signal is sent out through the remote control device, the wireless remote control receiving module 16 receives the signal and then controls the motor 9 to open, an output shaft of the motor 9 drives the second rotating shaft to rotate, meanwhile, the second rotating shaft drives the driving gear 10 to rotate in the first chamber 4, so that the second driven gear 12 is driven by the driving gear 10 to rotate, meanwhile, the second driven gear 12 drives the first driven gear 11 to rotate, the first driven gear 11 drives the third driven gear 13 to rotate, so that the fourth driven gear 14 is driven to rotate by the third driven, simultaneously fourth driven gear 14 drives joint sleeve 5 and rotates, and joint sleeve 5 drives three hydraulic assembly 6 and rotates simultaneously for the nut is driven by three grip block 8 and rotates, and the operation finishes.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an electric wrench, including hypoplastron (1) and upper plate (2), a serial communication port, upper plate (2) fixed mounting is at the top of hypoplastron (1), first recess (3) have been seted up at the top of upper plate (2), first recess (3) extend to on hypoplastron (1), same first cavity (4) have been seted up on upper plate (2) and hypoplastron (1), first cavity (4) communicate with first recess (3), the top is open-ended joint sleeve (5) is installed in first recess (3) internal rotation, the top of joint sleeve (5) extends to outside first recess (3), fixed mounting has three hydraulic assembly (6) on the outer wall of joint sleeve (5), three hydraulic assembly (6) form annular array and distribute, seted up three first through-hole (7) on the inner wall of joint sleeve (5), fixed mounting has grip block (8) on the output pole of hydraulic assembly (6), three clamping blocks (8) respectively penetrate through corresponding first through holes (7), the clamping blocks (8) are in sliding connection with the inner walls of the corresponding first through holes (7), a motor (9) is fixedly installed at the bottom of a lower plate (1), a driving gear (10), a first driven gear (11), a second driven gear (12) and a third driven gear (13) are installed in a first chamber (4) in a rotating mode, the second driven gear (12) is fixedly installed at the top of the first driven gear (11), the second driven gear (12) is meshed with the driving gear (10), the first driven gear (11) is meshed with the third driven gear (13), the second driven gear (12) is located between the third driven gear (13) and the driving gear (10), a fourth driven gear (14) is fixedly sleeved on a clamping sleeve (5), the fourth driven gear (14) is installed in a first groove (3) in a rotating mode, and the fourth driven gear (14) is positioned below the three hydraulic assemblies (6), and one side of the third driven gear (13) extends into the first groove (3) and is meshed with the fourth driven gear (14).

2. The electric wrench as claimed in claim 1, wherein the upper plate (2) and the lower plate (1) are provided with a same second chamber, a wireless receiving remote control module (16) and a power supply module (15) are fixedly installed in the second chamber, an indicating lamp set is arranged at the bottom of the lower plate (1), and the wireless receiving remote control module (16), the power supply module (15), the indicating lamp set and the motor (9) are electrically connected through wires to form a closed loop.

3. An electric wrench as claimed in claim 1, characterised in that the motor (9) is a double insulated single phase series motor, the motor (9) being of the type XQG50-700HM 799.

4. An electric wrench as claimed in claim 1, characterised in that the first recess (3) has an annular recess formed in its inner wall, the annular recess communicating with the first chamber (4), and three hydraulic assemblies (6) are rotatably mounted in the annular recess.

5. The electric wrench as claimed in claim 1, wherein a first bearing is fixedly mounted in the first groove (3), an inner ring of the first bearing is fixedly sleeved on the clamping sleeve (5), a second through hole is formed in the inner wall of the bottom of the first groove (3), a first rotating shaft is rotatably mounted in the second through hole, the top end of the first rotating shaft extends into the first groove (3) and is fixedly connected with the bottom of the clamping sleeve (5), a second bearing is fixedly sleeved on the first rotating shaft, and an outer ring of the second bearing is fixedly connected with the inner wall of the second through hole.

6. The electric wrench as claimed in claim 1, wherein the first chamber (4) has third through holes formed in the top inner wall and the bottom inner wall thereof, a second rotating shaft is rotatably mounted in the third through holes, the output shaft of the motor (9) is fixedly connected to the bottom end of the second rotating shaft, the second rotating shaft penetrates through the driving gear (10) and is fixedly connected to the driving gear (10), the second rotating shaft is fixedly sleeved with two third bearings, and outer rings of the two third bearings are fixedly connected to inner walls of the corresponding third through holes.

7. The electric wrench as claimed in claim 1, wherein a third shaft is fixedly mounted on the first driven gear (11) and the second driven gear (12), the third shaft penetrates through the first driven gear (11) and the second driven gear (12), the top inner wall and the bottom inner wall of the first chamber (4) are both provided with second grooves, two ends of the third shaft respectively extend into the corresponding second grooves, a fourth bearing is fixedly mounted in the second grooves, an inner ring of the fourth bearing is fixedly sleeved on the third shaft, the top inner wall and the bottom inner wall of the first chamber (4) are both provided with third grooves, the two third grooves are rotatably mounted with a same fourth shaft, the fourth shaft penetrates through the third driven gear (13) and is fixedly connected with the third driven gear (13), the fourth shaft is fixedly sleeved with two fifth bearings, and the outer rings of the two fifth bearings are fixedly connected with the inner walls of the corresponding third grooves respectively.

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