CN212261954U - Disinfection touch device - Google Patents

Abstract

The utility model discloses a disinfection touching ware, including the connecting cylinder, the connecting cylinder both sides are equipped with transmission swing arm and the upper end is equipped with hemisphere support shell, be equipped with the drive between two transmission swing arms and press the structure, be equipped with the pole roll-over between two transmission swing arm front ends, be equipped with the touch pole on the pole roll-over, the touch pole rear end stretches into hemisphere support shell in, hemisphere support shell rear side is equipped with the elasticity switch structure, elasticity switch structure upper end is equipped with the hemisphere lid, make hemisphere lid and hemisphere support shell live the rear end cladding of touch pole, the connecting cylinder lower extreme is equipped with the elasticity presser on stock solution bottle and the lower extreme lateral wall, the elasticity presser supports and leans on the transmission swing arm, the elasticity presser's straw lower extreme stretches into in the stock solution bottle, the shower nozzle intercommunication in the transfer line of elasticity presser and the hemisphere support shell. The utility model discloses a cooperation of transmission swing arm and roll-over pole roller will touch the pole and can accomodate and take out the hemisphere and hold in the palm in the shell, and touch the pole and can disinfect behind the hemisphere support shell for the touch pole can regard as to press the elevator button and use.

Description

Disinfection touch device

Technical Field

The utility model relates to a disinfection touching ware especially relates to a disinfection touching ware.

Background

With the spread of new coronavirus, more and more people realize that virus or bacteria can be transmitted to people through droplet people, and some public articles contacted by patients, such as tables, chairs, escalators, elevator buttons and the like, have infection problems. The elevator button contacts frequently due to the fact that the number of contact personnel is large, and potential safety hazards are large. In the prior art, in order to reduce the virus infection of an elevator button channel, the paper towel is arranged inside an elevator, when people need to press an elevator button, the paper towel is drawn out, the elevator button is pressed through the paper towel, and the paper towel is thrown away from the garbage can after the paper towel is pressed. However, this method will result in waste of paper towel, and has poor isolation effect, and there is still a great risk of virus spreading on the napkin paper quality inspection. Although the patent of the invention of the lighter convenient for disinfection is applied in the early period, the invention is very convenient for smokers to use because the disinfection device is changed and the cigarette can be lighted. But for non-smokers there are problems: the top rod of the lighter needs to be sterilized by igniting in an open area, if outdoor wind is large, the interference to the sterilization is avoided, and if the inside of the closed space is still provided with residual alcohol because part of the closed space is subjected to alcohol spraying sterilization, the potential safety hazard of combustion and even explosion can be generated.

SUMMERY OF THE UTILITY MODEL

To the problem that exists above, the utility model provides a disinfection touching ware through the cooperation of transmission swing arm and roll-over pole roller, will touch the pole and can accomodate and take out in the hemisphere holds in the palm the shell, and touch the pole and hold in the palm the shell after the hemisphere can disinfect for touch the pole and can regard as pressing down the elevator button and use, be fit for using during the new hat epidemic situation.

The technical scheme of the utility model lies in:

the utility model provides a disinfection touch device, which comprises a hemispherical cover, a hemispherical supporting shell, a touch rod, a rod turning roller, a transmission swing arm, a driving pressing structure, an elastic switch structure and a connecting cylinder, wherein the left side and the right side of the upper part of the connecting cylinder are respectively provided with the transmission swing arm, the upper end of the connecting cylinder is provided with the hemispherical supporting shell, two opposite sides of the transmission swing arm are nested from back to front and are connected with the driving pressing structure, the front ends of the transmission swing arms extend forwards, the rod turning roller is arranged between the front ends, the middle part of the rod turning roller is embedded with the touch rod towards the part of the hemispherical supporting shell, the touch rod extends backwards, the rear end of the touch rod enters the hemispherical supporting shell through a corresponding notch on the hemispherical supporting shell, the rear side of the outer wall of the hemispherical supporting shell is provided with the elastic switch structure, the upper end of the elastic switch structure is provided with the hemispherical cover covering the hemispherical supporting shell, so that the rear end of the touch rod is covered, the lower end of the connecting cylinder is provided with a liquid storage bottle, the side wall of the lower end is provided with an elastic pressing device, the pressing end of the elastic pressing device is abutted against the transmission swing arm, a suction pipe is arranged between the end part of the pumping end of the elastic pressing device in the connecting cylinder and the upper end of the liquid storage bottle, the lower end of the suction pipe extends into the liquid storage bottle, the pump-out end of the elastic pressing device is provided with a transfusion pipe, the infusion tube extends upwards in the connecting cylinder and is communicated with the spray head at the bottom of the hemispherical supporting shell, the transmission swinging arm is driven to swing by the driving pressing structure, in the resetting process of the transmission swing arm, the rod overturning roller overturns to enter the hemispherical support shell and is covered by the hemispherical cover, the transmission swing arm presses the elastic pressing device, so that the elastic pressing device can upwards spray disinfectant sucked from the liquid storage bottle through the suction pipe onto the touch rod in the hemispherical support shell through the liquid conveying pipe and the spray head, and the touch rod is disinfected.

Furthermore, the driving pressing structure comprises a rear transmission block and a pressing block, the two rear transmission blocks are respectively attached to opposite sides of the rear ends of the two transmission swing arms, the rear ends of the two rear transmission blocks extend upwards in an inclined mode, the pressing block extending backwards and downwards is arranged between the rear ends of the two rear transmission blocks, the pressing block is pressed to enable the rear ends of the two rear transmission blocks to turn downwards and open the elastic turning action in the elastic switch structure, the hemispherical cover turns relative to the hemispherical supporting shell by taking the upper end of the elastic switch structure as a rotation center, the two rear transmission blocks drive the transmission swing arms to swing relative to the connecting cylinder, the front ends of the transmission swing arms turn downwards, the rod turning roller rotates along with the transmission swing arm, the touch rod is separated from the hemispherical supporting shell and turns forwards around the central line of the rod turning roller under the driving of the rod turning roller, and the connecting cylinder and the liquid storage bottle are pressed forwards by holding the hand, so that the touch lever serves as a touch portion for pressing the elevator button.

Furthermore, the elastic switch structure comprises a jacking sliding block, a guide block, a turnover block and a torsion spring, two vertical and parallel guide blocks are arranged at the rear side of the outer wall of the hemispherical support shell, an overturning block is hinged between the upper ends of the two guide blocks, the front end of the turning block is fixedly arranged at the rear side of the outer wall of the hemispherical cover, a torsion spring is arranged between the two ends of the turning block and the adjacent guide block, the lower side of the turnover block is attached with a jacking slide block, the jacking slide block is embedded in a vertical slide way formed by the two guide blocks, the lower end of the top pressure slide block extends downwards out of the vertical slide way and is pressed against the center of the upper end of the pressing block, when the pressing block is pressed downwards and turned over, the jacking sliding block moves downwards, the pre-deformation of the torsion spring recovers the elastic deformation to generate elasticity, the hemispherical cover is turned over upwards, the hemispherical cover is separated from the hemispherical support shell, so that the touch rod can be conveniently turned out from the hemispherical support shell in subsequent actions.

Further, the transmission swing arm includes preceding half arm, forearm lid, latter half arm, postbrachium lid, rear axle, back connecting rod, fixed disk piece, axis, front axle, rolling disc and preceding connecting rod, latter half arm passes through the rear axle and articulates on the connecting cylinder, the tip that the connecting cylinder was kept away from to the rear axle runs through latter half arm and back transmission piece in proper order, latter half arm is cavity casing column structure and keeps away from the side of connecting cylinder and is the opening form and the buckle has the postbrachium lid, latter half arm is from inclining downwardly extending and the lower extreme has the fixed disk piece by the embedding to one side of connecting cylinder with the articulated department of connecting cylinder, the fixed disk piece is equipped with preceding half arm by the end fixing to the connecting cylinder, preceding half arm is cavity casing column structure and upwards extends from the slope of fixed disk piece, preceding half arm is the opening form and has the forearm lid by the side of connecting cylinder, and the axis of fixed disk piece runs through the axis, the end part of the middle shaft far away from the connecting cylinder is hinged on the rear arm cover, the end part of the middle shaft penetrating out of the fixed disc block is fixedly provided with a rotating disc pressed on the fixed disc block, the end part of the middle shaft far away from the rotating disc and close to the connecting cylinder is hinged on the front arm cover, the upper end of the front half arm is penetrated through and hinged with a front shaft, the end part of the front shaft close to the connecting cylinder is hinged on one side of the turning rod roller, the turning rod roller is hinged on one side of the turning rod roller by the eccentric hinge of the rear side of the opening at the upper end of the front half arm, the front connecting rod extends downwards along the inclination of the front half arm and the lower end is eccentrically hinged on the rotating disc, so that the rotating disc rotates through the front connecting rod to drive the turning rod roller to rotate in the same direction, the part of the middle shaft between the fixed disc block and the rear arm cover is fixedly provided with a driven gear, one side of the driven gear close to the rear connecting, one side that driven gear was kept away from to the drive tooth piece is equipped with the back connecting rod, back connecting rod extends and eccentric articulated in the back half arm on the part of back transmission piece below behind the rear shaft to the slant, through pressing down the pressure piece, back transmission piece rotates and drives the back connecting rod and remove to the below, the front end of back connecting rod through the eccentric articulated department drive front half arm with the fixed disk piece swings to the below, and simultaneously drive tooth piece drive driven gear rotates, driven gear passes through the synchronous rotation of axis drive rolling disc, preceding connecting rod moves to the front in the front half arm in the swing along with the rotation of rolling disc, preceding connecting rod drive tilting lever roller rotates, the touching pole is along with the tilting lever roller outwards turned out forward from the hemisphere support shell.

The utility model discloses owing to adopted above-mentioned technique, make it compare specific positive beneficial effect with prior art and be:

the utility model discloses a press the drive and press the structure, press the structure through the drive and drive the swing arm swing and the inside elasticity action of turning of opening of elastic switch structure, the hemisphere lid takes the upper end of elastic switch structure as the center of rotation and turns over relatively the hemisphere support shell, the drive presses the structure and drives the swing arm swing relatively the connecting cylinder, the front end of transmission swing arm turns downwards, the roll-over pole roller rotates along with the transmission swing arm, the touching pole breaks away from the hemisphere support shell and overturns forward around the central line of roll-over pole roller under the drive of roll-over pole roller, press forward through handheld connecting cylinder and stock solution bottle, make the touching pole as the touching part of pressing elevator button, in the reset process of transmission swing arm, the roll-over pole roller overturns and gets into the hemisphere support shell and is covered by the transfer line lid, the transmission swing arm presses the elasticity presser, make the elasticity presser upwards spout the antiseptic solution in the stock solution bottle through the straw to the hemisphere that the, disinfect to the touching pole, the touching pole can regard as to press the elevator button to use, is fit for using during new hat epidemic situation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural view of a cross-section of FIG. 2 taken perpendicular to the cross-section of FIG. 3;

FIG. 5 is a schematic diagram of the swing arm of the present invention in an outside view;

fig. 6 is a schematic diagram of the swing arm of the present invention in an inboard direction.

In the figure: 1-hemispherical cover, 2-hemispherical support shell, 3-touch rod, 4-rod-turning roller, 5-front half arm, 6-rear half arm, 7-rear transmission block, 8-elastic pressing device, 9-liquid storage bottle, 10-connecting cylinder, 11-pressing block, 12-top pressing slide block, 13-guide block, 14-turning block, 15-suction pipe, 16-bottle plug, 17-infusion tube, 18-spray head, 19-rear shaft, 20-rear connecting rod, 21-fixed disk block, 22-middle shaft, 23-front shaft, 24-rotating disk, 25-front connecting rod, 26-driven gear and 27-driving tooth block.

Detailed Description

The first embodiment is as follows:

as shown in the attached drawings 1-4, the utility model provides a disinfection touch device, which comprises a hemispherical cover 1, a hemispherical supporting shell 2, a touch rod 3, a turnover rod roller 4, transmission swing arms, a driving pressing structure, an elastic switch structure and a connecting cylinder 10, wherein the left side and the right side of the upper part of the connecting cylinder 10 are respectively provided with the transmission swing arms, the upper end of the connecting cylinder 10 is provided with the hemispherical supporting shell 2, the opposite sides of the two transmission swing arms are nested and connected with the driving pressing structure from back to front, the front ends of the two transmission swing arms extend forwards, the turnover rod roller 4 is arranged between the front ends, the part of the middle part of the turnover rod roller 4 facing the hemispherical supporting shell 2 is embedded with the touch rod 3, the touch rod 3 extends backwards, the rear end of the touch rod enters the hemispherical supporting shell 2 through a corresponding notch on the hemispherical supporting shell 2, the rear side of the outer wall of the hemispherical supporting shell 2 is provided with the elastic switch structure, the upper end of the, the rear end of the touch rod 3 is coated by the hemispherical cover 1 and the hemispherical supporting shell 2, the lower end of the connecting cylinder 10 is provided with a liquid storage bottle 9, the side wall of the lower end of the connecting cylinder is provided with an elastic pressing device 8, the pressing end of the elastic pressing device 8 abuts against the transmission swing arm, the pumping end of the elastic pressing device 8 is arranged at the end part in the connecting cylinder 10 and is provided with a suction pipe 15 between the upper end of the liquid storage bottle 9, the lower end of the suction pipe 15 extends into a bottle plug 16 of the liquid storage bottle 9 to enter the liquid storage bottle 9, the pumping end of the elastic pressing device 8 is provided with a liquid conveying pipe 17, and the liquid conveying pipe 17 extends upwards in the connecting cylinder 10 and is communicated with a;

the mechanism of use: thus, when the elevator is used, the driving pressing structure is pressed, the driving pressing structure drives the transmission swing arm to swing and the elastic switch structure is internally opened to perform elastic turning action, the hemispherical cover 1 turns relative to the hemispherical supporting shell 2 by taking the upper end of the elastic switch structure as a rotation center, the driving pressing structure drives the transmission swing arm to swing relative to the connecting cylinder 10, the front end of the transmission swing arm turns downwards, the turning rod roller 4 rotates along with the transmission swing arm, the touch rod 3 is separated from the hemispherical supporting shell 2 and overturned forwards around the central line of the turning rod roller 4 under the driving of the turning rod roller 4, the hand-held connecting cylinder 10 and the liquid storage bottle 9 press forwards, so that the touch rod 3 is used as a touch part for pressing an elevator button, in the resetting process of the transmission swing arm, the turning rod roller 4 overturns into the hemispherical supporting shell 2 and is covered by the hemispherical cover 1, and the elastic pressing, so that the elastic pressing device 8 sprays the disinfectant sucked from the liquid storage bottle 9 through the suction pipe 15 upwards onto the touch rod 3 in the hemispherical support shell 2 through the infusion pipe 17 and the spray head 18 to disinfect the touch rod 3.

Wherein, the driving pressing structure comprises a rear transmission block 7 and a pressing block 11, the two rear transmission blocks 7 are respectively attached to opposite sides of the rear ends of the two transmission swing arms, the rear ends of the two rear transmission blocks 7 extend upwards in an inclined manner, the pressing block 11 extending backwards and downwards is arranged between the rear ends, the rear ends of the two rear transmission blocks 7 are turned downwards by pressing the pressing block 11, the elastic switch structure is opened to perform elastic turning motion inside, the hemispherical cover 1 is turned over relative to the hemispherical supporting shell 2 by taking the upper end of the elastic switch structure as a rotation center, the two rear transmission blocks 7 drive the transmission swing arms to swing relative to the connecting cylinder 10, the front ends of the transmission swing arms are turned downwards, the turnover rod roller 4 rotates along with the transmission swing arm, the touch rod 3 is separated from the hemispherical supporting shell 2 and is turned forwards around the central line of the turnover rod roller 4 under the driving of the turnover rod roller 4, and is pressed forwards by holding the connecting cylinder 10 and, so that the touch bar 3 serves as a touch part for pressing the elevator button.

Wherein, the elastic switch structure comprises a top pressing slide block 12, guide blocks 13, a turning block 14 and a torsion spring, two vertical and parallel guide blocks 13 are arranged at the rear side of the outer wall of the hemispherical supporting shell 2, the turning block 14 is hinged between the upper ends of the two guide blocks 13, the front end of the turning block 14 is fixedly arranged at the rear side of the outer wall of the hemispherical cover 1, the torsion spring is arranged between the two ends of the turning block 14 and the adjacent guide blocks 13, the bottom side of the turning block 14 is attached with the top pressing slide block 12, the top pressing slide block 12 is embedded in a vertical slideway formed by the two guide blocks 13, the lower end of the top pressing slide block 12 extends downwards out of the vertical slideway and presses the center of the upper end of the pressing block 11, when the pressing block 11 is pressed downwards and turned over, the top pressing slide block 12 moves downwards, the pre-deformation of the torsion spring recovers the elastic deformation to generate elasticity, the hemispherical cover 1 is turned over upwards, the hemispherical cover 1 is separated from the hemispherical support shell 2, and the touch rod 3 can be conveniently turned out from the hemispherical support shell 2 in subsequent actions.

As shown in fig. 5-6, the swing transmission arm includes a front half arm 5, a front arm cover, a rear half arm 6, a rear arm cover, a rear shaft 19, a rear connecting rod 20, a fixed disk block 21, a middle shaft 22, a front shaft 23, a rotating disk 24 and a front connecting rod 25, the rear half arm 6 is hinged on the connecting cylinder 10 through the rear shaft 19, the end of the rear shaft 19 far from the connecting cylinder 10 sequentially penetrates through the rear half arm 6 and the rear transmission block 7, the rear half arm 6 is in a hollow shell structure, the side far from the connecting cylinder 10 is open and is fastened with the rear arm cover, the rear half arm 6 extends obliquely downwards from the hinge point of the connecting cylinder 10, the lower end of the rear half arm is embedded with the fixed disk block 21 towards one side of the connecting cylinder 10, the front half arm 5 is fixed on the end of the connecting cylinder 10, the front half arm 5 is in a hollow shell structure and extends obliquely upwards from the fixed disk block 21, the side of the front half arm 5 is open towards the connecting cylinder 10 and is fastened with the front, the axis of the fixed disk block 21 is penetrated with a middle shaft 22, the end part of the middle shaft 22 far away from the connecting cylinder 10 is hinged on the rear arm cover, the end part of the middle shaft 22 penetrating through the fixed disk block 21 is fixedly provided with a rotating disk 24 pressed on the fixed disk block 21, the end part of the middle shaft 22 far away from the rotating disk 24 and close to the connecting cylinder 10 is hinged on the front arm cover, the upper end of the front half arm 5 is penetrated and hinged with a front shaft 23, the end part of the front shaft 23 close to the connecting cylinder 10 is hinged on one side of the turn-up roller 4, the turn-up roller 4 is eccentrically hinged with a front connecting rod 25 near the rear side of the opening at the upper end of the front half arm 5, the front connecting rod 25 extends downwards along the inclination of the front half arm 5, the lower end is eccentrically hinged on the rotating disk 24, so that the rotation of the rotating disk 24 drives the turn-up roller 4 to rotate in the same direction through the front connecting rod 25, the part of the middle shaft 22 between the fixed, the driving gear block 27 is in a downward convex semicircular gear block-shaped structure, the circle center part of the driving gear block is eccentrically hinged on the fixed disk block 21, one side of the driving gear block 27, which is far away from the driven gear 26, is provided with a rear connecting rod 20, the rear connecting rod 20 extends obliquely upwards in the rear half arm 6 and is eccentrically hinged on the part of the rear transmission block 7, which is positioned at the rear lower part of the rear shaft 19, by pressing the pressing block 11 downwards, the rear transmission block 7 rotates to drive the rear connecting rod 20 to move forwards and downwards, the rear connecting rod 20 drives the front end of the front half arm 5 to swing forwards and downwards through the eccentric hinge joint with the fixed disk block 21, and simultaneously, the driving gear block 27 drives the driven gear 26 to rotate, the driven gear 26 drives the rotating disc 24 to synchronously rotate through the central shaft 22, the front connecting rod 25 moves forwards in the front half arm 5 in the swinging process along with the rotation of the rotating disc 24, the front connecting rod 25 drives the turning rod roller 4 to rotate, and the touch rod 3 turns outwards and forwards from the hemisphere supporting shell 2 along with the turning rod roller 4.

Claims (4)

1. A disinfection touch device comprises a hemispherical cover, a hemispherical support shell, a touch rod, a turnover rod roller, transmission swing arms, a driving pressing structure, an elastic switch structure and a connecting cylinder, wherein the left side and the right side of the upper part of the connecting cylinder are respectively provided with the transmission swing arms, the upper end of the connecting cylinder is provided with the hemispherical support shell, the opposite sides of the two transmission swing arms are nested from back to front and are connected with the driving pressing structure, the front ends of the two transmission swing arms extend forwards, the turnover rod roller is arranged between the front ends of the two transmission swing arms, the middle part of the turnover rod roller, facing the hemispherical support shell, is embedded with a touch rod, the touch rod extends backwards, the rear end of the touch rod enters the hemispherical support shell through a corresponding notch in the hemispherical support shell, the rear side of the outer wall of the hemispherical support shell is provided with the elastic switch structure, the upper end of the elastic switch structure is provided with the hemispherical cover covering the hemispherical support shell, so that the rear end of the, the method is characterized in that: the lower end of the connecting cylinder is provided with a liquid storage bottle, the side wall of the lower end is provided with an elastic pressing device, the pressing end of the elastic pressing device is abutted against the transmission swing arm, a suction pipe is arranged between the end part of the pumping end of the elastic pressing device in the connecting cylinder and the upper end of the liquid storage bottle, the lower end of the suction pipe extends into the liquid storage bottle, the pump-out end of the elastic pressing device is provided with a transfusion pipe, the infusion tube extends upwards in the connecting cylinder and is communicated with the spray head at the bottom of the hemispherical supporting shell, the transmission swinging arm is driven to swing by the driving pressing structure, in the resetting process of the transmission swing arm, the rod overturning roller overturns to enter the hemispherical support shell and is covered by the hemispherical cover, the transmission swing arm presses the elastic pressing device, so that the elastic pressing device can upwards spray disinfectant sucked from the liquid storage bottle through the suction pipe onto the touch rod in the hemispherical support shell through the liquid conveying pipe and the spray head, and the touch rod is disinfected.

2. A disinfecting touch as defined in claim 1, wherein: the driving pressing structure comprises a rear transmission block and pressing blocks, the two rear transmission blocks are respectively attached to opposite sides of the rear ends of the two transmission swing arms, the rear ends of the two rear transmission blocks extend upwards in an inclined mode, the pressing blocks extending backwards and downwards are arranged between the rear ends of the two rear transmission blocks, the pressing blocks are pressed to enable the rear ends of the two rear transmission blocks to turn downwards and enable the elastic switch structure to open elastic turning motion inside, the hemispherical cover turns relative to the hemispherical supporting shell by taking the upper end of the elastic switch structure as a rotation center, the two rear transmission blocks drive the transmission swing arms to swing relative to the connecting cylinder, the front ends of the transmission swing arms turn downwards, the rod turning roller rotates along with the transmission swing arms, the touch rod is separated from the hemispherical supporting shell and turns forwards around the central line of the rod turning roller under the driving of the rod turning roller, and is pressed forwards through the handheld connecting cylinder and the liquid storage bottle, so that the touch lever serves as a touch portion for pressing the elevator button.

3. A disinfecting touch as defined in claim 2, wherein: the elastic switch structure comprises a top pressing sliding block, guide blocks, a turning block and a torsion spring, two vertical and mutually parallel guide blocks are arranged on the rear side of the outer wall of the hemispherical support shell, the turning block is hinged between the upper ends of the two guide blocks, the front end of the turning block is fixedly arranged at the rear side of the outer wall of the hemispherical cover, a torsion spring is arranged between the two ends of the turning block and the adjacent guide block, the lower side of the turnover block is attached with a jacking slide block, the jacking slide block is embedded in a vertical slide way formed by the two guide blocks, the lower end of the top pressure slide block extends downwards out of the vertical slide way and is pressed against the center of the upper end of the pressing block, when the pressing block is pressed downwards and turned over, the jacking sliding block moves downwards, the pre-deformation of the torsion spring recovers the elastic deformation to generate elasticity, the hemispherical cover is turned over upwards, the hemispherical cover is separated from the hemispherical support shell, so that the touch rod can be conveniently turned out from the hemispherical support shell in subsequent actions.

4. A disinfecting touch as defined in claim 3, wherein: the transmission swing arm comprises a front half arm, a front arm cover, a rear half arm, a rear arm cover, a rear shaft, a rear connecting rod, a fixed disk block, a middle shaft, a front shaft, a rotating disk and a front connecting rod, wherein the rear half arm is hinged on the connecting cylinder through the rear shaft, the end part of the connecting cylinder far away from the rear shaft sequentially penetrates through the rear half arm and the rear transmission block, the rear half arm is of a hollow shell structure, the side surface of the connecting cylinder far away from the rear shaft is open and buckled with the rear arm cover, the rear half arm is obliquely and downwardly extended from the hinged part of the connecting cylinder, the lower end of the rear half arm is embedded into one side of the connecting cylinder to form the fixed disk block, the fixed disk block is provided with the front half arm close to the end part of the connecting cylinder, the front half arm is obliquely and upwardly extended from the fixed disk block, the front half arm is open and buckled with the front arm cover close to the side surface of the connecting cylinder, the axis of the fixed disk block penetrates through the middle shaft, the end, the end part of the middle shaft penetrating through the fixed disc block is fixedly provided with a rotating disc pressed on the fixed disc block, the end part of the middle shaft, which is far away from the rotating disc and is close to the connecting cylinder, is hinged on a front arm cover, the upper end of the front half arm is penetrated and hinged with a front shaft, the end part of the front shaft, which is close to the connecting cylinder, is hinged on one side of a turning rod roller, the turning rod roller is eccentrically hinged on the back side of an opening at the upper end of the front half arm, the front connecting rod extends downwards along the inclination of the front half arm, and the lower end of the front connecting rod is eccentrically hinged on the rotating disc, so that the rotation of the rotating disc drives the turning rod roller to rotate in the same direction through the front connecting rod, the part of the middle shaft, which is positioned between the fixed disc block and the back arm cover, is fixedly provided with a driven gear, one side of the driven gear, which is close to, one side that driven gear was kept away from to the drive tooth piece is equipped with the back connecting rod, back connecting rod extends and eccentric articulated in the back half arm on the part of back transmission piece below behind the rear shaft to the slant, through pressing down the pressure piece, back transmission piece rotates and drives the back connecting rod and remove to the below, the front end of back connecting rod through the eccentric articulated department drive front half arm with the fixed disk piece swings to the below, and simultaneously drive tooth piece drive driven gear rotates, driven gear passes through the synchronous rotation of axis drive rolling disc, preceding connecting rod moves to the front in the front half arm in the swing along with the rotation of rolling disc, preceding connecting rod drive tilting lever roller rotates, the touching pole is along with the tilting lever roller outwards turned out forward from the hemisphere support shell.

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