WO2023050186A1 - Clé électrique et système de clé électrique - Google Patents

Clé électrique et système de clé électrique Download PDF

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Publication number
WO2023050186A1
WO2023050186A1 PCT/CN2021/121801 CN2021121801W WO2023050186A1 WO 2023050186 A1 WO2023050186 A1 WO 2023050186A1 CN 2021121801 W CN2021121801 W CN 2021121801W WO 2023050186 A1 WO2023050186 A1 WO 2023050186A1
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WO
WIPO (PCT)
Prior art keywords
power supply
electric wrench
supply device
cavity
power
Prior art date
Application number
PCT/CN2021/121801
Other languages
English (en)
Chinese (zh)
Inventor
雷云
张智锋
周继福
张育斌
Original Assignee
深圳市华思旭科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华思旭科技有限公司 filed Critical 深圳市华思旭科技有限公司
Priority to CN202180102291.3A priority Critical patent/CN117940251A/zh
Priority to PCT/CN2021/121801 priority patent/WO2023050186A1/fr
Publication of WO2023050186A1 publication Critical patent/WO2023050186A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

Definitions

  • the application belongs to the field of electric tools, and in particular relates to an electric wrench and an electric wrench system.
  • car tools are also constantly enriched, especially some emergency protection tools, such as starting power, air pumps, jacks, etc., have become necessary tools for vehicle travel.
  • the traditional electric wrench needs to be plugged in to work, and the use environment is limited and bound, which is extremely inconvenient.
  • Existing vehicles, devices or electronic equipment are generally equipped with their own power supply to provide power to various internal components.
  • a car battery is the device used to power various electronic devices in a car.
  • the capacity of batteries has been greatly improved, and its application range has been extended from some low-power electronic electrical devices to some high-power power electrical devices, such as electric wrenches.
  • the battery performance of the existing electric wrench is relatively single, that is, it can only be used to supply power to the electric wrench.
  • the rate is lower. If the battery is not used for a long time, the capacity and service life of the battery will decrease, which will affect the performance of the battery.
  • the wireless electric wrench used in conjunction with the battery can only be used as an electric wrench, and its function is very single. Moreover, in order to realize electric movement, the wireless electric wrench needs to carry batteries, which makes it very heavy. Excessive weight and relatively single function reduce the motivation of users to purchase and carry wireless electric wrench.
  • the present application aims at the defects of the prior art, and provides an electric wrench and an electric wrench system.
  • the electric wrench can be used in conjunction with the power supply equipment with the function of starting the car, thereby expanding the use range of the power supply device with the function of starting the car, and making the The electric wrench is more portable to solve the above technical problems.
  • the present application provides an electric wrench, which includes a housing and an operating assembly.
  • the housing is provided with a housing cavity and a joint adjacent to the housing cavity.
  • the operating assembly is disposed in the housing cavity; It is connected to a connection end of a power supply device with a car starting function, so that the operation component is electrically connected to the connection end of the power supply device to obtain electric energy from the power supply device.
  • the present application also provides an electric wrench system, including the above-mentioned electric wrench and a power supply device with a car starting function, the power supply device includes a connection end, and the connection cavity of the electric wrench is connected to the connection end of the power supply device by plugging .
  • the electric wrench and the electric wrench system provided by the application adopt the power supply device with the function of starting the car to supply power to the electric wrench, therefore, there is no need to equip the electric wrench with a special power supply, which reduces the production cost and increases the portability of the electric wrench sex.
  • Fig. 1 is a schematic structural diagram of an electric wrench system in an embodiment of the present application.
  • Fig. 2 is an exploded schematic view of the electric wrench system in an embodiment of the present application.
  • Fig. 3 is a schematic disassembly diagram of an electric wrench in an embodiment of the present application.
  • Fig. 4 is a structural schematic diagram of some components of the electric wrench in another direction according to an embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of the electric wrench in another direction according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a power supply device in an embodiment of the present application.
  • FIG. 7 is a top view of a power supply device in an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of an electric wrench system in an embodiment of the present application.
  • FIG. 2 is an exploded schematic view of the electric wrench system in an embodiment of the present application.
  • the electric wrench system 100 includes an electric wrench 10 and a power supply device 32 .
  • the power supply device 32 is a power supply device with a car starting function.
  • the power supply device 32 includes a main body end 325 and a connection end 320 , and the connection end 320 is disposed on one end of the main body end 325 .
  • the electric wrench 10 includes a housing 11 and a wrench assembly 12.
  • the housing 11 is provided with a receiving cavity 110 and a connecting cavity 112 adjacent to the receiving cavity 110.
  • the wrench The component 12 is accommodated in the accommodation cavity 110 for performing the function of the electric wrench 10 .
  • the connection cavity 112 is used to insert the connection end 320 of the power supply device 32 , so that the wrench assembly 12 is electrically connected to the connection end 320 of the power supply device 32 to obtain electric energy from the power supply device 32 .
  • connection cavity 112 is detachably combined with the connection end 320 of the power supply device 32 .
  • the power supply device 32 not only has the function of starting the car, but also has the function of charging treasure.
  • the electric wrench 10 needs to work, it is plugged with the power supply device 32 to obtain electric energy. There is no need to equip the electric wrench 10 with a dedicated power supply, which increases the portability of the electric wrench 10 .
  • the power supply device 32 can also serve as a power supply for other electric tools, such as electric screwdrivers, electric air pumps, electric car washers, electric vacuum cleaners, electric drills, electric hammers, electric grinders, electric planers, etc.
  • the power supply device 32 can also serve as an igniter for the car, so as to act as an emergency power supply when the starting power of the car is out of power, so that the application scenarios of the power supply device 32 are diversified.
  • connection cavity 112 is non-detachably combined with the connection end 320 of the power supply device 32 .
  • the power supply device 32 is provided with an interface dedicated to serve as an igniter for the vehicle ignition.
  • the power supply device 32 is also provided with a power output interface for supplying power to other electric tools, so as to charge other electric tools.
  • the housing 11 includes a main body 111 and a handle end 113, and a T-shape is formed between the main body 111 and the handle end 113.
  • the connection cavity 112 is disposed on the handle end 113 , and the power supply device 32 and the handle end 113 are plugged together to form a handle portion of the electric wrench 10 . Therefore, the grip end 113 and the power supply device 32 together serve as a handle of the electric wrench 10 . Therefore, the holding end 113 of the electric wrench 10 does not need to be set too long, which can reduce the volume of the electric wrench 10 and is easy to carry.
  • the handle end 113 is inclined at a certain angle s relative to the main body 111 . Specifically, in this embodiment, the handle end 113 is inclined about 15 degrees relative to the main body 111 . In other embodiments, the angle of inclination of the handle end 113 relative to the main body 111 is not limited to 15 degrees, and can also be other angles. In this way, it is convenient for the electric wrench 10 to apply torque to the target.
  • the housing 11 includes a first housing 114 and a second housing 115 .
  • the first housing 114 and the second housing 115 are symmetrical. It can be understood that, in other embodiments, the first shell 114 and the second shell 115 may be asymmetrical.
  • the first housing 114 and the second housing 115 butt against each other to form a hollow cavity.
  • the cavity includes the receiving cavity 110 and the connecting cavity 112 .
  • the receiving cavity 110 is partially disposed on the main body 111 , and partially disposed on an end of the handle end 113 close to the main body 111 .
  • the connection cavity 112 is disposed on the handle end 113 . Therefore, the rational distribution of the receiving cavity 110 and the connecting cavity 112 makes the wrench assembly 12 reasonably distributed in the housing 11 , which is convenient to carry and hold.
  • the casing is generally molded by hard plastic and soft plastic, and the molding process is complicated and the production cost is high.
  • the first housing 114 and the second housing 115 are respectively integrally molded by hard plastic, and the hard plastic may be but not limited to ABS resin and the like. Therefore, on the basis of ensuring strength and aesthetics, the production cost is reduced.
  • the first casing 114 and the second casing 115 are further provided with U-shaped decorative frames 116 .
  • the decorative frame 116 is fastened with the first shell 114 or the second shell 115 , or it can also be two-color molding or the like.
  • the wrench assembly 12 includes a controller 121, a driver 122 and an operating head 123, the controller 121 is electrically connected to the driver 122, and Accommodated in the receiving chamber 110 , the operating head 123 is connected to the output shaft of the driving member 122 and extends from the driving member 122 to the outside of the receiving chamber 110 . Therefore, the controller 121 controls the driving member 122 to drive the operating head 123 to rotate, so as to realize the function of the electric wrench.
  • the driving member 122 includes a motor 1221 and a reducer 1222 .
  • the controller 121 is connected with the motor 1221 .
  • the output shaft of the motor 1221 is connected with the input shaft of the reducer 1222 .
  • the receiving chamber 110 has two opposite ends, that is, a first end and a second end, the first end is an end close to the opening of the receiving chamber 110, and the second end is away from the receiving chamber 110. one end of the opening.
  • the motor 1221 is installed on the second end of the receiving chamber 110
  • the reducer 1222 is installed on the first end of the receiving chamber 110 .
  • the operating head 123 is installed on the output shaft of the reducer 1222 away from the motor 1221 .
  • the controller 121 is electrically connected to the motor 1221 . Therefore, the controller 121 controls the rotation of the motor 1221 , and the speed reducer 1222 controls the rotation speed of the output shaft.
  • the wrench assembly 12 further includes a circuit board 124 .
  • the circuit board 124 is also disposed in the receiving cavity 110 and located on a side of the motor 1221 close to the power supply 32 .
  • the controller 121 is disposed on the circuit board 124 .
  • the electric wrench 10 further includes a control button 14 , and the control button 14 is electrically connected to the controller 121 .
  • the control button 14 is electrically connected to the controller 121 through the circuit board 124 .
  • an opening 1131 is provided on a side of the handle end 113 facing the second end of the housing 11 .
  • the control button 14 is disposed in the opening 1131 . It can be understood that, in other embodiments, the control buttons 14 can be arranged on other suitable positions of the housing 11 .
  • the electric wrench 10 can be rotated forward, reversed, or stopped.
  • the control button 14 has a forward rotation button position 141 and a reverse rotation button location 142 .
  • the forward rotation key position 141 and the reverse rotation key position 142 are respectively located on opposite ends of the control key 14 . It can be understood that, in other embodiments, the positions of the forward rotation button 141 and the reverse rotation button 142 can be reversed. That is, the signal generated when the forward rotation button 141 of the control button 14 is pressed is a forward rotation signal, and the signal generated when the reverse rotation button 142 of the control button 14 is pressed is a reverse rotation signal. When the control button 14 does not receive any pressing signal, the control button 14 is in a stop state.
  • the controller 121 controls the motor 1221 to rotate forward in response to the forward rotation signal to output a forward rotation speed.
  • the controller 121 controls the motor 1221 to reverse to output a reverse rotation speed in response to the reverse signal.
  • the pressing force on the forward rotation key position 141 and the reverse rotation key position 142 may be positively correlated with the rotational speed of the operation head 123 . That is, when the forward rotation key position 141 or the reverse rotation key position 142 is pressed hard, the controller 121 controls the rotation speed of the motor 1221 to increase, otherwise, it will decrease.
  • the forward and reverse rotation of the motor requires the cooperation of two independent buttons, that is, one button controls the forward and reverse conversion, and one button controls the switch.
  • Two independent buttons are required to cooperate to realize the forward and reverse switching. That is, when reverse rotation is required, it is necessary to press the forward and reverse control button first, and then press the switch control button to realize it. Therefore, compared with the prior art, through a seesaw-like forward rotation button 141 and a reverse rotation button 142 on a control button, forward and reverse switching can be realized simply and directly, and the operation is simpler.
  • the wrench assembly 12 further includes a power input interface 125, the power input interface 125 is electrically connected to the controller 121, when When the connection end 320 of the power supply device 32 extends into the connection chamber 112 , the power supply device 32 can be electrically connected to the power input interface 125 .
  • connection between the power input interface 125 and the controller 121 may be a direct connection or an indirect connection.
  • a control switch or the like may also be connected between the power input interface 125 and the controller 121 , which is not limited herein.
  • the power input interface 125 includes a first power input interface 1251 and a second power input interface 1253 .
  • the first power input interface 1251 is a positive terminal
  • the second power input interface 1253 is a negative terminal.
  • the first power input interface 1251 is a negative terminal
  • the second power input interface 1253 is a positive terminal.
  • the electric wrench 10 may include a communication port for communicating with the power supply device.
  • the communication port may include a physical port.
  • the electric wrench 10 also includes a communication port for transmitting communication The first communication port 1255 for the signal.
  • the first communication port 1255 is disposed between the first power input interface 1251 and the second power input interface 1253 .
  • the communication port of the electric wrench 10 may also include an invisible software port, so that the electric wrench 10 can communicate with other devices wirelessly through the communication port.
  • the periphery of the first communication port 1255 and the second power input interface 1253 forms a substantially semicircular peripheral wall 1254, and the peripheral wall 1254 is opposite to the first communication port 1255 and the second power input interface 1253.
  • the second power input interface 1253 plays a protective role.
  • the surrounding wall 1254 can also play a foolproof role to prevent reverse insertion.
  • the controller 121 receives a communication signal through the first communication port 1255 and controls the working state of the electric wrench 10 in response to the communication signal.
  • the controller 121 obtains specific parameter values of the power supply device 32 through the first communication port 1255, and the controller 121 determines whether it can work according to the parameter values.
  • the controller 121 obtains the status of the power supply 32 through the first communication port 1255, and if it is normal, the control works; if it is abnormal, the control does not work.
  • the controller 121 transmits a communication signal to the power supply device 32 through the first communication port 1255 to control the working state of the power supply device 32 .
  • the controller 121 is further configured to send an identification signal to the power supply device 32 through the first communication port 1255, so that the power supply device 32 triggers a corresponding Operating mode.
  • the triggering the corresponding working mode based on the identification signal includes: performing circuit protection based on the circuit protection threshold corresponding to the identification signal.
  • the temperature signal is taken as an example for illustration.
  • the controller 121 sends a control signal to the power supply device 32 through the first communication port 1255. signal to control the power supply device 32 to stop supplying power to the electric wrench 10 until the temperature of the electric wrench 10 is lowered to meet the requirements, so that the electric wrench 10 can be avoided from being burned during charging, and the electric wrench 10 can be greatly improved.
  • the electric wrench 10 may also be provided with a cooling fan.
  • the cooling fan is controlled to start to dissipate heat from the electric wrench 10 .
  • the voltage signal is taken as an example for illustration.
  • the controller 121 sends a control signal to the power supply device 32 through the first communication port 1255 to The power supply device 32 is controlled to stop supplying power to the electric wrench 10 and issue a warning, so as to avoid the influence of overvoltage or overcurrent on the electric wrench 10 .
  • the receiving cavity 110 and the connecting cavity 112 are separated by a partition 117 .
  • the partition 117 is provided with an opening 1171 .
  • the power input interface 125 is disposed in the opening 1171 .
  • the inner wall of the connecting chamber 112 is adapted to the outer wall of the connecting end 320 of the power supply device 32 .
  • the inner wall of the connection cavity 112 is provided with a first guide piece 118, and the first guide piece 118 is used to cooperate with the second guide piece 322 on the power supply device 32 to guide the power supply equipment 32 relative to the The movement of the gripping end 113 acts as a guide.
  • the inside of the first guide member 118 is in the shape of a raised grid, which not only meets the strength requirement, but also reduces the amount of materials used.
  • the first guide piece 118 is arranged on the inner wall of the connection cavity 112, and the first guide piece 118 is set off from the center line of the connection cavity 112, and along the Extending along the insertion and extraction direction of the handle end 113 .
  • the first guiding member 118 may be a protrusion or a groove.
  • the second guiding member 322 may be a groove or a protrusion.
  • the first guiding member 118 is a protrusion.
  • the second guiding member 322 is a groove.
  • the inner wall of the connection cavity 112 is provided with a buckle structure 119 for mating connection with the connection end 320 of the power supply device 32 ;
  • the buckle structure 119 is used to cooperate with the hook structure 323 on the power supply device 32, so that the A stable connection is formed between the electric wrench 10 and the power supply device 32 .
  • the buckle structure 119 can also be replaced by a screw structure.
  • the power supply device 32 includes a power output interface 321 .
  • the power input interface 125 is electrically connected to the power output interface 321 , and the power supply 32 supplies power to the electric wrench 10 through the power output interface 321 .
  • the power supply device 32 can provide driving energy for the rotation of the operation head 123 .
  • the power supply device 32 can act as a mobile power supply to charge external devices through the power output interface 321, or the power output interface of the power supply device 32 can also be connected to the battery through the battery clip to output current to assist the battery in starting the car.
  • the power input interface 125 corresponds to the power output interface 321 one by one, and the number of both is one. It can be understood that the power input interface 125 and the power output interface 321 may not correspond one by one, that is, the number of the power input interface 125 is greater than or less than the number of the power output interface 321 . It can be understood that the present application does not limit the number of the power input interface 125 and the power output interface 321 , there may be one or more than one.
  • the power input interface 125 and the power output interface 321 may use various types of interfaces such as CP3500.
  • the application does not limit the types of the power input interface 125 and the power output interface 321 .
  • the power input interface 125 of the electric wrench 10 can adopt the same type of interface as the input interface of the battery clip, so that the power supply device 32 can supply power to the electric wrench 10 or help the car start through the same power output interface 321 .
  • the power output interface 321 includes a first power output interface 3211, a second power output interface 3212 and a second communication port 3213, the first power output interface 3211 is used to connect the first power input interface 1251, the second power output interface 3212 is used to connect to the second power input interface 1253 , and the second communication port 3213 is used to connect to the first communication port 1255 .
  • the first power output interface 3211 is connected to the first power input interface 1251
  • the second power output interface 3212 is connected to the second power input interface.
  • the interface 1253 is connected
  • the second communication port 3213 is connected with the first communication port 1255 .
  • the connection between the first power output interface 3211 and the first power input interface 1251 and the connection between the second power output interface 3212 and the second power input interface 1253 form a power path between the electric wrench 10 and the power supply device 32, and the power supply device 32 Power is supplied to the electric wrench 10 through the power supply path.
  • the connection between the second communication port 3213 and the first communication port 1255 forms a signal channel between the electric wrench 10 and the power supply device 32 , and the power supply device 32 outputs various signals to the electric wrench 10 through the signal channel.
  • the signal may be, but not limited to, a temperature signal, a cell over-temperature signal, or a low-voltage energy protection signal.
  • the temperature signal controls the power supply 32 to stop supplying power to the electric wrench 10 until the power supply 32 32 is reduced to meet the requirements, so that the power supply 32 can be prevented from being burned when the electric wrench 10 is powered, and the service life of the power supply 32 is greatly improved.
  • a heat dissipation fan (not shown) may also be provided in the electric wrench 10.
  • the temperature signal controls the heat dissipation. The fan starts to dissipate heat from the power supply device 32 .
  • the port types of the second communication port 3213 and the first communication port 1255 are not specifically limited.
  • first power output interface 3211 and the first power input interface 1251 are corresponding positive interfaces
  • second power output interface 3212 and the second power input interface 1253 are corresponding negative interfaces
  • first power output interface 3211 and the first power input interface 1251 can also be corresponding negative interfaces
  • second power output interface 3212 and the second power input interface 1253 are corresponding positive interfaces, which is not discussed in this application. To limit.
  • the end surface of the connection end 320 is provided with a first groove 3201 and a second groove 3202, the first groove 3201 and the second groove 3202 are arranged at intervals, the first groove 3201 and the second groove 3202 different shapes and/or the inner diameters of the first groove 3201 and the second groove 3202 are different;
  • the first power output interface 3211 is set in the first groove 3201
  • the second power output interface 3212 and the second communication port 3213 are set in In the second groove 3202
  • the second power output interface 3212 and the second communication port 3213 are arranged at intervals in the second groove 3202
  • the second communication port 3213 is arranged between the first power output interface 3211 and the second power output interface 3212 between.
  • the design of the first groove 3201 and the second groove 3202 avoids when the first power output interface 3211 is connected to the first power input interface 1251 and the second power output interface 3212 is connected to the second power input interface 1253 , the first power output interface 3211 mistakenly touches the second power input interface 1253, and/or the second power output interface 3212 accidentally touches the first power input interface 1251, so as to prevent the power supply device 32 from stopping the operation of the electric wrench 10 due to a short circuit. power supply and avoid the power supply 32 from being burned due to short circuit, which improves the service life of the power supply 32.
  • the second power output interface 3212 and the second communication port 3213 are designed to be spaced apart in the second groove 3202 and have different shapes and/or inner diameters, which can play a fool-proof role and avoid the occurrence of the first failure of the electric wrench 10.
  • a power input interface 1251 is connected to the second power output interface 3212 of the power supply device 32, and the second power input interface 1253 of the electric wrench 10 is connected to the first power output interface 3211 of the power supply device 32, which improves the safety of the electric wrench 10 in use .
  • the second communication port 3213 can be disposed in the first groove 3201 , and the second communication port 3213 and the first power output interface 3211 are arranged at intervals in the first groove 3201 .
  • the power supply device 32 is further provided with a charging interface 327, and the charging interface 327 is used for charging the power supply device 32 or the load device.
  • the user can charge the power device 32 through the charging interface 327, so that the power device 32 can be recycled, avoiding the user from carrying too many power devices 32 when going out with the electric wrench 10, reducing the user's load, and making it easier for the user to carry the electric wrench 10 when going out.
  • the charging interface 327 includes a Type-C interface, so that the power supply device 32 can not only be charged through the charging interface 327, but also be used as a mobile power bank to output voltage through the charging interface 327 to charge load devices such as mobile phones. It can be understood that the present application does not specifically limit the interface type of the charging interface 327, and the charging interface 327 may also include USB interfaces such as Type-A interfaces or other types of interfaces such as DC interfaces.
  • the charging interface 327 is disposed on the end surface of the connecting end 320 . It can be understood that the charging interface 327 can also be provided on the end face of the main body end 325 away from the connection end 320 or other positions, which is not limited in this application.
  • the power supply device 32 is further provided with a power display button 328 and at least one display light 329 arranged on the peripheral surface of the main body end 325 .
  • the power display button 328 can be connected with a display light 329 , and the display light 329 is used to display the stock of the power supply device 32 .
  • the user presses the power display button 328, and the indicator light 329 lights up; In this way, the user can judge whether the stock of the power supply device 32 is sufficient by observing whether the display light 329 is illuminated, which is intuitive and convenient, and easy to observe.
  • the power display button 328 and the display light 329 can be connected to the controller 121, and the controller 121 controls the light-emitting state of the display light 329 based on the power condition in the power supply device 32 when the controller 121 responds to the pressing signal of the power display button 328.
  • the number of display lamps 329 is four.
  • the four display lights 329 are disposed on the peripheral wall of the second connecting portion 325 and are exposed outside.
  • the user can judge the storage capacity of the power supply device 32 according to the number of lights of the display lights 329 .
  • the number of light indicators 329 is zero, it means that the power supply device 32 is insufficient in stock and cannot supply power to the electric wrench 10 or other load equipment; when the number of light indicators 329 is gradually increased from zero to four, It means that the inventory of the power supply device 32 is gradually increasing; when the number of the display lights 329 is four, it means that the inventory of the power supply equipment 32 tends to be saturated.
  • the present application does not specifically limit the number of display lights 329, and the number of display lights 329 may be one or more than one.
  • the display light 329 can also be provided on the end surface of the main body end 325 or other positions of the power supply device 32 , as long as the display light 329 can be exposed outside the power supply device 32 , the present application does not specifically limit this.
  • the power display button 328 can also be arranged on the end surface of the connection end 320 or other positions of the power supply device 32 , which is not limited in the present application.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne une clé électrique (10) et un système de clé électrique (100). La clé électrique (10) comprend une enveloppe (11) et un ensemble clé (12), l'enveloppe (11) est pourvue d'une cavité de réception (110) et d'une cavité de connexion (112) adjacente à la cavité de réception (110), et l'ensemble clé (12) est disposé dans la cavité de réception (110) ; et la cavité de connexion (112) est destinée à être utilisée pour une connexion à une extrémité de connexion (320) d'un appareil d'alimentation électrique (32), qui assure une fonction de démarrage d'automobile, de sorte que l'ensemble clé (12) soit électriquement connecté à l'extrémité de connexion (320) de l'appareil d'alimentation électrique (32) pour obtenir de l'énergie électrique de l'appareil d'alimentation électrique (32). L'appareil d'alimentation électrique détachable simplifie la structure de la clé électrique et, par conséquent, cette dernière est pratique à transporter, et enrichit en outre les fonctions de l'appareil d'alimentation électrique.
PCT/CN2021/121801 2021-09-29 2021-09-29 Clé électrique et système de clé électrique WO2023050186A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180102291.3A CN117940251A (zh) 2021-09-29 2021-09-29 电动扳手及电动扳手系统
PCT/CN2021/121801 WO2023050186A1 (fr) 2021-09-29 2021-09-29 Clé électrique et système de clé électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/121801 WO2023050186A1 (fr) 2021-09-29 2021-09-29 Clé électrique et système de clé électrique

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Publication Number Publication Date
WO2023050186A1 true WO2023050186A1 (fr) 2023-04-06

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PCT/CN2021/121801 WO2023050186A1 (fr) 2021-09-29 2021-09-29 Clé électrique et système de clé électrique

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WO (1) WO2023050186A1 (fr)

Citations (8)

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CN203293092U (zh) * 2013-05-29 2013-11-20 杜德机械科技(上海)有限公司 充电式数控扭矩的电动扳手
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