CN110090431B

CN110090431B - Terminal data transmission device

Info

Publication number: CN110090431B
Application number: CN201910413320.2A
Authority: CN
Inventors: 李爱国
Original assignee: Guozhiyun Shandong Information Technology Co Ltd
Current assignee: Guozhiyun (Shandong) Information Technology Co., Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-09-29
Anticipated expiration: 2039-05-17
Also published as: CN110090431A

Abstract

The invention discloses a terminal data transmission device, which comprises a sliding plate, wherein fixed blocks are fixedly arranged on the left side and the right side of the lower end of the sliding plate, a power-assisted supply block is arranged between the fixed blocks, the power-assisted supply block is detachable and is realized by being installed and matched with the fixed blocks, an installation device is arranged on the inner upper side of the power-assisted supply block and the inner upper side of the fixed block, a transmission connection device is arranged on the inner lower side of the fixed block and the inner lower side of the power-assisted supply block, a power-assisted device is arranged in the power-assisted supply block, and a control device is; the invention aims to design a device for assisting a user to complete different actions through mobile terminal control.

Description

Terminal data transmission device

Technical Field

The invention relates to the technical field of movement, in particular to a terminal data transmission device.

Background

In modern society, many people love sports, and skateboard sports is one of them, but traditional skateboard needs to consume great physical power in the use, and need to finish some actions and take a long time to exercise, therefore, the invention aims to design a device which is controlled by a mobile terminal and further assists the user to finish different actions.

Disclosure of Invention

The present invention is directed to a terminal data transmission device, which overcomes the above-mentioned drawbacks of the prior art.

The terminal data transmission device comprises a sliding plate, fixed blocks are fixedly arranged on the left side and the right side of the lower end of the sliding plate, a power-assisted supply block is arranged between the fixed blocks, the power-assisted supply block is detachable and is realized by mounting and matching with the fixed blocks, mounting devices are arranged on the inner upper side of the power-assisted supply block and the inner upper side of the fixed block, a transmission connecting device is arranged on the inner lower side of the fixed block and the inner lower side of the power-assisted supply block, a power-assisted device is arranged in the power-assisted supply block, a control device is further arranged at the middle part in the power-assisted supply block, the mounting device comprises a clamping groove arranged in the fixed block, a clamping plate is arranged in the power-assisted supply block, one end of the clamping plate extends into the clamping groove, the transmission connecting device comprises a helical gear meshing cavity arranged on the inner lower side of the fixing block, driven helical gears are rotatably arranged in the helical gear meshing cavity, telescopic rods are symmetrically arranged in the boosting supply block in the left and right direction, spline shafts are rotatably arranged in the telescopic rods and are in power connection with the boosting device, a driving helical gear is fixedly arranged at one end of each spline shaft, which is far away from the symmetry center, the driving helical gears are moved into the helical gear meshing cavity and are meshed with the driven helical gears by moving the telescopic rods, the boosting device is divided into two parts, one part is a transmission boosting device, a boosting motor is arranged in the transmission boosting device, the boosting motor is in power connection with the transmission connecting device, the other part is a fan boosting device, the fan boosting device comprises fan cavities which are symmetrically arranged on the left and right ends of the boosting supply block in the, the fan cavity is rotatably provided with a fan, the fan can convert the wind power generated on the head into partial power for assisting, the control device comprises a rotating rod cavity arranged at the inner center of the lower end face of the assisting supply block, and a rotating rod is rotatably arranged in the rotating rod cavity.

Further technical scheme, the installation device including set up in the fixed block and the opening inwards the draw-in groove, the central part of upside in the helping hand supply block is provided with the carousel chamber, carousel chamber left and right sides intercommunication is provided with the opposite cardboard chamber of opening, the cardboard cunning is located the cardboard intracavity, the rotatable carousel that is equipped with of carousel intracavity, the carousel lower extreme connect in controlling means, carousel upside terminal surface bilateral symmetry and hinged joint have a hinge bar, hinge bar keep away from central one end hinged joint in the cardboard is close to central one end.

The transmission connecting device comprises a helical gear meshing cavity arranged in a fixed block, a driven helical gear is rotatably arranged at the lower side in the helical gear meshing cavity, pulleys are connected at the front end and the rear end of the driven helical gear in a rotating fit manner through a rotating shaft extending to the outside, an opening cavity with an inward opening is arranged at the upper end of the inner wall of the helical gear meshing cavity close to one side of the center, helical gear cavities with outward openings are arranged at the left end and the right end of a power-assisted supply block corresponding to the opening cavity, a driving helical gear is arranged in the helical gear cavity, a telescopic cavity is communicated with the right side of the helical gear cavity, a telescopic rod is slidably arranged in the telescopic cavity, a spline shaft is arranged in the telescopic rod in a left-right penetrating and rotating manner, the spline shaft extends into the helical gear cavity and is fixedly connected to the driving helical gear, and, the telescopic link downside terminal surface internal stability has the rack, skewed tooth chamber downside with flexible chamber downside communicates jointly and is equipped with the transmission chamber, rotatable being equipped with in the transmission chamber mesh in the rack gear of rack, rack gear front end rigid coupling has driven bevel gear, driven bevel gear front side right-hand member is provided with the initiative bevel gear rather than the meshing, wherein, for guaranteeing to turn to unanimously, the left and right sides initiative bevel gear all mesh in driven bevel gear's right-hand member, the initiative bevel gear is close to central one end and has been linked firmly the transmission shaft, the transmission shaft connect in controlling means.

A further technical scheme is that the power assisting device comprises a switching cavity arranged at the middle part in the power assisting supply block, a switching block is slidably arranged in the switching cavity, two walls of the switching cavity are symmetrically and communicated with each other to form a guide chute, two ends of the switching block are symmetrically and fixedly connected with a guide block extending into the guide chute, a reset spring is fixedly connected between the left end of the guide block and the left wall of the guide chute, the power assisting motor is fixedly arranged in the switching block, an inner tooth meshing cavity is formed in the left side of the switching cavity in a communicated manner, a straight internal gear in power matching connection with the power assisting motor is arranged in the inner tooth meshing cavity, an internal gear capable of being meshed with the straight internal gear is arranged on the left side of the straight internal gear, a belt wheel cavity is symmetrically arranged in the power assisting supply block, the right wall of the belt wheel cavity is communicated with the left wall of the inner tooth meshing cavity, the left end of the internal gear is fixedly connected to the right end face of the left driving belt wheel through a rotating shaft, a rotating column is fixedly arranged at one end, away from the center, of the driving belt wheel, a spline hole with an opening facing away from the center is formed in the rotating column, one end, close to the center, of the spline shaft extends into the spline hole, driven belt wheels are symmetrically and rotatably arranged at the front side and the rear side of the driving belt wheel, a transmission belt is wound between the driving belt wheel and the driven belt wheels, fan cavities are correspondingly arranged at the left side and the right side of the driven belt wheels, the fan is rotatably arranged in the fan cavities, one end, away from the center, of the driven belt wheel is fixedly connected with a fan shaft extending into the fan cavities, one end, away from the center, of the fan shaft is fixedly connected to the axis of the, the fan intracavity just is located the fan is kept away from center one side and is set firmly the ventilation net, the ventilation net can prevent that rubbish from getting into and has certain safety protection effect simultaneously, the fan chamber is close to driven pulleys one side inner wall intercommunication is equipped with the annular chamber of ventilating, the annular chamber of ventilating is kept away from around symmetrical center one side intercommunication and is equipped with the external vent of intercommunication.

In a further technical scheme, the control device comprises a rotating rod cavity with a downward opening arranged in the power-assisted supply block, the rotating rod is rotatably arranged in the rotating rod cavity, a bevel gear transmission cavity is arranged at the upper side of the rotating rod, the upper end of the rotating rod is fixedly provided with a driving transmission bevel gear through a rotating shaft extending into the bevel gear transmission cavity, the left end and the right end of the driving transmission bevel gear are symmetrically provided with driven transmission bevel gears meshed with the driving transmission bevel gears, one end of the transmission shaft close to the center is fixedly connected to the end surface of one side far away from the center, the upper end of the driving transmission bevel gear is fixedly provided with a cam through a rotating shaft extending into the switching cavity, the cam is abutted against the right end of the switching block, and the cam part of the switching cavity is a flat head, so that the cam part of the cam is not easy to deflect when abutted against the switching block and has more stability, the upper end of the cam is fixedly connected to the end face of the lower side of the rotary disc through a rotating shaft extending into the rotary disc cavity.

According to the technical scheme, a mobile terminal control panel is fixedly arranged on the upper side end face of the sliding plate, a mobile terminal control chip is fixedly arranged in the sliding plate and can control the power-assisted motor to rotate, and a user can input an instruction to the mobile terminal control chip through the mobile terminal control panel to control the power-assisted motor to rotate, so that the user can be assisted to finish various actions only by the user.

The invention has the beneficial effects that: the device has a simple structure, is convenient to operate, can drive the power-assisted motor to rotate at different rotating speeds only by inputting instructions through the control panel of the mobile terminal by a user, further assists the user in realizing different actions, realizes control over the power-assisted motor by using terminal data transmission, has a stable control mode, is simple and effective, and is worthy of recommendation.

Drawings

Fig. 1 is a schematic view of the internal overall structure of a terminal data transmission device according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged schematic view of "B" in FIG. 1;

fig. 4 is an enlarged schematic view of "C" in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 4, a terminal data transmission device according to an embodiment of the present invention includes a sliding plate 11, fixed blocks 12 are fixedly disposed on left and right sides of a lower end of the sliding plate 11, a power-assisted supply block 14 is disposed between the fixed blocks 12, the power-assisted supply block 14 is detachable and is implemented by mounting and cooperating with the fixed blocks 12, mounting devices are disposed on an inner upper side of the power-assisted supply block 14 and an inner upper side of the fixed blocks 12, a transmission connection device is disposed on an inner lower side of the fixed blocks 12 and an inner lower side of the power-assisted supply block 14, a power-assisted device is disposed in the power-assisted supply block 14, a control device is further disposed in a middle portion of the power-assisted supply block 14, the mounting devices include a slot 13 disposed in the fixed blocks 12, a clamping plate 15 is disposed in the power-assisted supply block 14, and, thereby fixedly installing the power-assisted supply block 14 at the lower side of the sliding plate 11, the transmission connection device comprises a helical gear meshing cavity 16 arranged at the inner lower side of the fixed block 12, a driven helical gear 17 is rotatably arranged in the helical gear meshing cavity 16, telescopic rods 18 are symmetrically arranged at the left and right sides in the power-assisted supply block 14, a spline shaft 19 is rotatably arranged in the telescopic rods 18, the spline shaft 19 is in power connection with the power-assisted device, a driving helical gear 20 is fixedly arranged at one end of the spline shaft 19 away from the symmetry center, the driving helical gear 20 is moved into the helical gear meshing cavity 16 and meshed with the driven helical gear 17 by moving the telescopic rods 18, the power-assisted device is divided into two parts, one part is a transmission power-assisted device, a power-assisted motor 25 is arranged in the transmission power-assisted device, and the power-, the other part is a fan power assisting device, the fan power assisting device comprises fan cavities 21 which are symmetrically arranged at the left end and the right end of the power assisting supply block 14 in a front-back mode and communicated with the outside, fans 22 are rotatably arranged in the fan cavities 21, wind power generated on the head can be converted into partial power for assisting through the fans 22, the control device comprises a rotating rod cavity 23 arranged at the inner center of the lower side end face of the power assisting supply block 14, and rotating rods 24 are rotatably arranged in the rotating rod cavity 23.

Beneficially or exemplarily, the mounting device comprises the clamping groove 13 which is arranged in the fixed block 12 and has an inward opening, a central portion of an upper side in the power-assisted supply block 14 is provided with a rotary disc cavity 26, the left side and the right side of the rotary disc cavity 26 are communicated with a clamping plate cavity 27 with opposite openings, the clamping plate 15 is slidably arranged in the clamping plate cavity 27, a rotary disc 28 is rotatably arranged in the rotary disc cavity 26, a lower end of the rotary disc 28 is connected to the control device, an upper end surface of the rotary disc 28 is bilaterally symmetrical and is hinged to a hinge rod 29, and an end, far away from the center, of the hinge rod 29 is hinged to an end, close to the center, of.

Beneficially or exemplarily, the transmission connection device includes the helical gear engagement cavity 16 disposed in the fixed block 12, the driven helical gear 17 is rotatably disposed at the inner lower side of the helical gear engagement cavity 16, the front end and the rear end of the driven helical gear 17 are rotatably connected with pulleys 30 through a rotating shaft extending to the outside in a matching manner, an open cavity 31 with an inward opening is disposed at the upper end of the inner wall of the helical gear engagement cavity 16 near the center side, helical gear cavities 32 with outward openings are disposed at the left end and the right end of the power-assisted supply block 14 corresponding to the open cavity 31, the driving helical gear 20 is disposed in the helical gear cavity 32, a telescopic cavity 33 is communicatively disposed at the right side of the helical gear cavity 32, the telescopic rod 18 is slidably disposed in the telescopic cavity 33, the spline shaft 19 is penetratingly and rotatably disposed in the telescopic rod 18 from left to right, the spline shaft 19 extends into the helical gear cavity 32 and is fixedly connected to the, the right end of the spline shaft 19 is connected with the power assisting device, a rack 34 is fixedly arranged in the end face of the lower side of the telescopic rod 18, the lower side of the bevel gear cavity 32 is communicated with the lower side of the telescopic cavity 33 to form a transmission cavity 35, a rack gear 36 meshed with the rack 34 is rotatably arranged in the transmission cavity 35, a driven bevel gear 37 is fixedly connected to the front end of the rack gear 36, a driving bevel gear 38 meshed with the driven bevel gear is arranged at the right end of the front side of the driven bevel gear 37, in order to guarantee steering consistency, the driving bevel gears 38 on the left side and the right side are meshed with the right end of the driven bevel gear 37, a transmission shaft 39 is fixedly connected to one end, close to the center, of the driving.

Beneficially or exemplarily, the power assisting device includes a switching chamber 40 disposed in the middle portion of the power assisting supply block 14, a switching block 41 is slidably disposed in the switching chamber 40, two front and rear walls of the switching chamber 40 are symmetrically and communicated with each other to form a guide chute 42, a guide slider 43 extending into the guide chute 42 is symmetrically and fixedly connected to the front and rear ends of the switching block 41, a return spring 44 is fixedly connected between the left end of the guide slider 43 and the left wall of the guide chute 42, the power assisting motor 25 is fixedly disposed in the switching block 41, an inner gear meshing chamber 45 is disposed in the left side of the switching chamber 40 in a communicating manner, an inner spur gear 46 connected to the power assisting motor 25 in a power-fit manner is disposed in the inner gear meshing chamber 45, an inner gear 47 capable of meshing with the inner spur gear 46 is disposed on the left side of the inner spur gear 46, a belt gear chamber 48 is disposed in the power assisting supply block 14 in a left-right symmetric manner, the right wall of the, a driving belt wheel 49 is rotatably arranged in the belt wheel cavity 48, the left end of the internal gear 47 is fixedly connected to the right end face of the driving belt wheel 49 on the left side through a rotating shaft, one end, far away from the center, of the driving belt wheel 49 is fixedly provided with a rotating column 50, a spline hole 51 with an opening facing away from the center is arranged in the rotating column 50, one end, close to the center, of the spline shaft 19 extends into the spline hole 51, the front side and the back side of the driving belt wheel 49 are symmetrically and rotatably provided with driven belt wheels 52, a transmission belt 53 is wound between the driving belt wheel 49 and the driven belt wheels 52, the fan cavity 21 is correspondingly arranged on the left side and the right side of the driven belt wheels 52, the fan 22 is rotatably arranged in the fan cavity 21, one end, far away from the center, of the driven belt wheel 52 is fixedly connected with a fan shaft 54 extending into the fan cavity, be located the front side driven pulley 52 or be located the rear side link firmly synchronizing shaft 55 between the driven pulley 52, just be located in fan chamber 21 fan 22 keeps away from center one side and has set firmly ventilation net 56, ventilation net 56 can prevent that rubbish from getting into and have certain safety protection effect simultaneously, fan chamber 21 is close to driven pulley 52 one side inner wall intercommunication is equipped with annular ventilation chamber 57, symmetry center one side intercommunication is equipped with the external vent 58 of intercommunication around annular ventilation chamber 57 keeps away from.

Advantageously or exemplarily, the control device comprises the rotating rod cavity 23 which is downwardly opened and arranged in the power supply block 14, the rotating rod 24 is rotatably arranged in the rotating rod cavity 23, a bevel gear transmission cavity 59 is arranged on the upper side of the rotating rod 24, a driving bevel gear 60 is fixedly arranged at the upper end of the rotating rod 24 through a rotating shaft extending into the bevel gear transmission cavity 59, driven bevel gears 61 which are meshed with the driving bevel gear 60 are symmetrically arranged at the left and right ends of the driving bevel gear 60, one end of the driving shaft 39 close to the center is fixedly connected to the end surface of the side of the driving shaft 61 far away from the center, a cam 62 is fixedly arranged at the upper end of the driving bevel gear 60 through a rotating shaft extending into the switching cavity 40, the cam 62 abuts against the right end of the switching block 41, the cam part of the switching cavity 40 is flat, so that the cam part of the cam 62 is not easy to deflect when abutting against the switching block 41, for better stability, the upper end of the cam 62 is fixedly connected to the lower end surface of the rotary disk 28 by a rotary shaft extending into the rotary disk cavity 26.

Beneficially, a mobile terminal control panel 99 is fixedly arranged on an upper side end face of the sliding plate 11, a mobile terminal control chip 98 is fixedly arranged in the sliding plate 11, the mobile terminal control chip 98 can control rotation of the power-assisted motor, and a user can input an instruction to the mobile terminal control chip 98 through the mobile terminal control panel 99 to control rotation of the power-assisted motor, so that the user can assist the user to complete various actions.

In the initial state, the clamping plate 15 retracts into the clamping plate cavity 27 to the maximum extent, the switching block 41 is located at the right limit position, the internal gear spur gear 46 and the internal gear 47 are not meshed, the telescopic rod 18 retracts into the telescopic cavity 33 to the maximum extent, and the driving bevel gear 20 is located in the bevel gear cavity 32.

When the slide board needs to be assisted, the assistance supply block 14 is placed between the fixed blocks 12, the card board cavity 27 is aligned with the card slot 13, at this time, the rotating rod 24 is rotated manually, the driving bevel gear 60 is driven to rotate, the driving bevel gear 61 is driven to rotate through gear engagement, the driving bevel gear 38 is driven to rotate through the transmission shaft 39, the driven bevel gear 37 is driven to rotate through gear engagement, the rack gear 36 is driven to rotate, the rack 34 is driven to move in the direction away from the center through gear-rack engagement, the telescopic rod 18 is driven to move in the direction away from the center, the driving bevel gear 20 is driven to move in the direction away from the center through the spline shaft 19, at this time, the driving bevel gear 20 extends into the bevel gear engagement cavity 16 and is engaged with the driven bevel gear 17, at this time, the driving bevel gear 60 drives the cam 62 to rotate ninety degrees through the rotating shaft, at this time, the, then the switching block 41 is pushed to move left, at this time the internal tooth spur gear 46 is meshed with the internal gear 47, at this time the cam 62 drives the turntable 28 to rotate ninety degrees through the rotating shaft, and then the clamping plate 15 is pushed to move away from the center direction through the hinge rod 29, and then the clamping plate 15 is clamped into the clamping groove 13 to be fixed, at this time the device is in a semi-power-assisted state, at this time, when the sliding plate 11 is slid by manpower, at this time, the wind generated by the shade enters the fan cavity 21, and then the fan 22 is driven to rotate, and then the fan shaft 54 drives the driven pulley 52 on one side of the forward direction to rotate, and then the synchronizing shaft 55 drives the driven pulley 52 on the other side to rotate, and then the driving pulley 49 is driven to rotate through the transmission belt 53, and then the rotating column 50 is driven to rotate, and then the driving pulley 20 is, realize certain helping hand, when needing great helping hand, helping hand motor 25 starts this moment, and then drive internal tooth straight-teeth gear 46 and start, and then drive internal gear 47 through gear engagement and rotate, and then drive left driving pulley 49 and rotate, and then drive left driven pulley 52 through left drive belt 53 and rotate, and then drive the driven pulley 52 rotation on right side through synchronizing shaft 55, and then drive driving pulley 49 rotation on right side through drive belt 53 on right side, and then drive column of revolution 50 and rotate, and then carry out quick helping hand, the manpower that can significantly reduce, the direction of marcing simultaneously is realized through the positive and negative rotation of control helping hand motor 25.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. A terminal data transmission device comprises a sliding plate, fixed blocks are fixedly arranged on the left side and the right side of the lower end of the sliding plate, a power-assisted supply block is arranged between the fixed blocks, the power-assisted supply block is detachable and is realized by being installed and matched with the fixed blocks, an installation device is arranged on the inner upper side of the power-assisted supply block and the inner upper side of the fixed block, a transmission connection device is arranged on the inner lower side of the fixed block and the inner lower side of the power-assisted supply block, a power-assisted device is arranged in the power-assisted supply block, a control device is further arranged at the middle part in the power-assisted supply block, the installation device comprises a clamping groove arranged in the fixed block, a clamping plate is arranged in the power-assisted supply block, one end of the clamping plate extends into the clamping groove, so that the power-assisted supply block is, the bevel gear meshing cavity is rotatably provided with a driven bevel gear, the boosting supply block is internally provided with telescopic rods in bilateral symmetry, the telescopic rods are internally provided with spline shafts in rotatable mode, the spline shafts are in power connection with the boosting device, one end, far away from the symmetry center, of each spline shaft is fixedly provided with a driving bevel gear, the driving bevel gears are moved into the bevel gear meshing cavity and meshed with the driven bevel gears by moving the telescopic rods, the boosting device is divided into two parts, one part is a transmission boosting device, a boosting motor is arranged in the boosting device, the boosting motor is in power connection with the transmission connection device, the other part is a fan boosting device, the fan boosting device comprises fan cavities which are symmetrically arranged at the left end and the right end of the boosting block in a front-back mode and communicated with the outside, a fan is rotatably arranged in each fan cavity, and wind power generated on the front, the control device comprises a rotating rod cavity arranged at the inner center of the lower end face of the power-assisted supply block, and a rotating rod is rotatably arranged in the rotating rod cavity; the mounting device comprises a clamping groove which is arranged in the fixed block and has an inward opening, a rotary disc cavity is arranged at the central part of the upper side in the power-assisted supply block, the left side and the right side of the rotary disc cavity are communicated with clamping plate cavities with opposite openings, the clamping plates are slidably arranged in the clamping plate cavities, rotary discs are rotatably arranged in the rotary disc cavities, the lower ends of the rotary discs are connected to the control device, the end surfaces of the upper sides of the rotary discs are bilaterally symmetrical and are connected with hinge rods in a hinged mode, and one ends of the hinge rods, far away from the center; the transmission connecting device comprises a helical gear meshing cavity arranged in the fixed block, the driven helical gear is rotatably arranged at the lower side in the helical gear meshing cavity, pulleys are connected at the front end and the rear end of the driven helical gear in a rotating fit manner through a rotating shaft extending to the outside, an opening cavity with an inward opening is arranged at the upper end of the inner wall of the helical gear meshing cavity close to one side of the center, helical gear cavities with outward openings are arranged at the left end and the right end of the boosting supply block corresponding to the opening cavity, the driving helical gear is arranged in the helical gear cavity, a telescopic cavity is communicated with the right side of the helical gear cavity, the telescopic rod is slidably arranged in the telescopic cavity, the spline shaft penetrates through the telescopic rod from left to right and is rotatably arranged in the telescopic rod, the spline shaft extends into the helical gear cavity and is fixedly connected to the driving helical gear, the right end of, the lower side of the helical tooth cavity and the lower side of the telescopic cavity are communicated together to form a transmission cavity, a rack gear meshed with the rack is rotatably arranged in the transmission cavity, a driven bevel gear is fixedly connected to the front end of the rack gear, and a driving bevel gear meshed with the driven bevel gear is arranged at the right end of the front side of the driven bevel gear; the power assisting device comprises a switching cavity arranged at the middle part in the power assisting supply block, a switching block is arranged in the switching cavity in a sliding manner, a guide chute is formed in the two wall symmetry and the communication of the front wall and the rear wall of the switching cavity, a guide block extending into the guide chute is formed in the two end symmetry and the rear wall of the switching block in a symmetrical manner, a reset spring is fixedly connected between the left end of the guide block and the left wall of the guide chute, a power assisting motor is fixedly arranged in the switching block, an inner tooth meshing cavity is formed in the left side of the switching cavity in a communicated manner, a straight internal gear connected with the power assisting motor in a power matching manner is arranged in the inner tooth meshing cavity, an internal gear capable of being meshed with the straight internal gear is arranged on the left side of the straight gear, a belt wheel cavity is formed in the power assisting supply block in a left-, the left end of the internal gear is fixedly connected to the right end face of the left driving belt wheel through a rotating shaft, a rotating column is fixedly arranged at one end, away from the center, of the driving belt wheel, a spline hole with an opening facing away from the center is formed in the rotating column, one end, close to the center, of the spline shaft extends into the spline hole, driven belt wheels are symmetrically and rotatably arranged at the front side and the rear side of the driving belt wheel, a transmission belt is wound between the driving belt wheel and the driven belt wheels, fan cavities are correspondingly arranged at the left side and the right side of the driven belt wheels, the fan is rotatably arranged in the fan cavities, one end, away from the center, of the driven belt wheel is fixedly connected with a fan shaft extending into the fan cavities, one end, away from the center, of the fan shaft is fixedly connected to the axis of the, a ventilation net is fixedly arranged in the fan cavity and positioned on one side, far away from the center, of the fan, the ventilation net can prevent garbage from entering and has a certain safety protection effect, an annular ventilation cavity is communicated and arranged on the inner wall of one side, close to the driven belt wheel, of the fan cavity, and a ventilation opening communicated with the outside is communicated and arranged on one side, far away from the front and rear symmetric centers, of the annular ventilation cavity; the control device comprises a rotating rod cavity with a downward opening arranged in the power-assisted supply block, the rotating rod is rotatably arranged in the rotating rod cavity, a bevel gear transmission cavity is arranged at the upper side of the rotating rod, a driving transmission bevel gear is fixedly arranged at the upper end of the rotating rod through a rotating shaft extending into the bevel gear transmission cavity, the left end and the right end of the driving transmission bevel gear are symmetrically provided with driven transmission bevel gears meshed with the driving transmission bevel gears, one end of the transmission shaft close to the center is fixedly connected to the end surface of one side far away from the center, the upper end of the driving transmission bevel gear is fixedly provided with a cam through a rotating shaft extending into the switching cavity, the cam is abutted against the right end of the switching block, and the cam part of the switching cavity is a flat head, so that the cam part of the cam is not easy to deflect when abutted against the switching block and has more stability, the upper end of the cam is fixedly connected to the lower side end face of the rotary disc through a rotating shaft extending into the rotary disc cavity; the power assisting device is characterized in that a mobile terminal control panel is fixedly arranged on the upper side end face of the sliding plate, a mobile terminal control chip is fixedly arranged in the sliding plate, the mobile terminal control chip can control the rotation of the power assisting motor, a user can input an instruction to the mobile terminal control chip through the mobile terminal control panel, the rotation of the power assisting motor is controlled, and then the user can be assisted to finish various actions only by the user.