CN211869483U - Handcart brake equipment that loose hand stops promptly - Google Patents

Abstract

The utility model discloses a handcart brake equipment that stops promptly loosens one's hand establishes in the box of handcart, and outside brake equipment's one end stretches out the locomotive of handcart, brake equipment's the other end and the directional wheel in close contact with of handcart, brake equipment includes handlebar and brake lever, its characterized in that: the bicycle is characterized in that a mounting support a is fixed on the handlebar, the mounting support a is fixed in the bicycle head, a mounting support b is fixed on the brake lever, the mounting support b is hinged to the mounting support a, a brake unit is arranged on one side of the directional wheel, the brake unit comprises a mounting base, the mounting base is fixed below the box body, a V-shaped plate is hinged to the mounting base and comprises a connecting plate a and a connecting plate b, a tension spring a is fixed on the connecting plate a, one end of the tension spring a is fixed on the mounting base, the other end of the tension spring a is fixed on the connecting plate a, the connecting plate b compresses the directional wheel, and the lower end of the mounting support b is connected with the connecting plate b through a brake steel wire rope.

Description

Handcart brake equipment that loose hand stops promptly

Technical Field

The utility model relates to a brake equipment, in particular to handcart brake equipment that stops promptly loose one's hand.

Background

The existing handcart brake device is characterized in that a brake crank is pressed, and then a brake steel wire rope is driven through the brake crank, so that wheels of a handcart can not rotate any more, and the handcart is forced to stop, for example, a safe medicine distribution vehicle with the patent number of 201721810066.2 is provided with the brake crank, the steel wire rope and a brake block, the brake crank pulls the steel wire rope, the steel wire rope pulls the brake block, so that the brake block tightly pushes the wheels, and the handcart is forced to stop.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that present handcart can not accomplish the loose hand and stop promptly, appears operating personnel easily and forgets the brake and swift current car, for solving above-mentioned problem, the utility model provides a handcart brake equipment that stops promptly.

The purpose of the utility model is realized with the following mode: the utility model provides a handcart brake equipment that pine hand stopped promptly establishes in the box of handcart, and outside brake equipment's one end stretches out the locomotive of handcart, brake equipment's the other end and the directional wheel in close contact with of handcart, brake equipment includes handlebar and brake lever, its characterized in that: the bicycle is characterized in that a mounting support a is fixed on the handlebar, the mounting support a is fixed in the bicycle head, a mounting support b is fixed on the brake lever, the mounting support b is hinged to the mounting support a, a brake unit is arranged on one side of the directional wheel, the brake unit comprises a mounting base, the mounting base is fixed below the box body, a V-shaped plate is hinged to the mounting base and comprises a connecting plate a and a connecting plate b, a tension spring a is fixed on the connecting plate a, one end of the tension spring a is fixed on the mounting base, the other end of the tension spring a is fixed on the connecting plate a, the connecting plate b compresses the directional wheel, and the lower end of the mounting support b is connected with the connecting plate b through a brake steel wire rope.

And a tension spring b is arranged between the mounting bracket b and the box body, one end of the tension spring b is fixed at the lower end of the mounting bracket b, and the other end of the tension spring a is fixed in the box body below the mounting bracket b.

The turning part of the brake steel wire rope is provided with a fixed pulley, and the brake steel wire rope is arranged at the groove of the pulley.

The right side of the mounting bracket b is fixed with a shared electric lock catch a, and the headstock is provided with a through hole a corresponding to the shared electric lock catch a.

One side of the mounting bracket a is provided with a shared electric lock catch b, an electric lock d is fixed in the vehicle head, and through holes c matched with the shared electric lock catch b are formed in the mounting bracket a and the mounting bracket b

The handlebar be the cylinder, the brake lever is semi-cylindrical, and the radius of brake lever is greater than the radius of handlebar.

The electric lock head c and the shared electric lock catch b are both connected with a controller.

Compared with the prior art, the utility model discloses can be through even pulling b, even pull under a and the effect of pressure spring an, when operating personnel left the handcart, can make even pull b and compress tightly directional wheel to can make and stop at will, be equipped with the stability that electronic hasp an of sharing, electronic hasp b of sharing can further control braking system in addition.

Drawings

Fig. 1 is a front view of the cart.

Fig. 2 is a schematic view of the cart configuration.

Fig. 3 is a bottom view of the cart.

Fig. 4 is a schematic view of the structure of the cart.

Fig. 5 is a side view of the cart.

Fig. 6 is a rear view of the cart.

Fig. 7 is a front sectional view of a-a in fig. 6.

Fig. 8 is a schematic structural view of the brake apparatus.

Fig. 9 is a schematic structural view of the brake apparatus.

Fig. 10 is a schematic structural view of the brake unit.

Fig. 11 is a schematic structural view of the retractable door panel.

Fig. 12 is a schematic structural view of the weighing station.

Fig. 13 is a side view of the weighing station.

Fig. 14 is a schematic structural view of the weighing station base.

Fig. 15 is a schematic structural view of the weighing table pallet.

Fig. 16 is a schematic structural view of the weighing table pallet.

Fig. 17 is a schematic view of the structure of the handle and the mounting member a.

Fig. 18 is a schematic structural view of the brake crank and the mounting bracket b.

Wherein, 1 is a box body; 2 is a vehicle head; 3 is an upturning car hopper; 4 is a downward turning side plate; 5 is a display screen of the vehicle head; 6 is a code scanning gun; 7 is a handlebar; 8 is a universal wheel; 9 is a directional wheel; 10 is a brake device; 11 is a mounting bracket a; 12 is a roof rail; 13 is a mounting bracket b; 14 is a brake lever; 15 is a V-shaped plate; 16 is a connecting plate a; 17 is a connecting plate b; 18 is a tension spring a; 19 is a brake wire rope; 20 is a tension spring b; 21 is a fixed pulley; 22 is a mouth tongue lock a; 23 is a handle lock; 24 is an electric lock head c; 25 is a miniature camera; 26 is a pulley a; 27 is a pulley b; 28 is a chute a; 29 a chute b; 30 telescopic door plates; 31 is a strap; 32 is a flap; 33 is a bearing pulley a; 34 is bearing pulley b; 35 is a mouth tongue lock b; 36 is a dump box; 37 is a hydraulic support; 38 is a door closing sensor a; 39 is a door closing sensor b; 40 is a through hole b; 41 is a car hopper clapboard; 42 is a water leakage valve; 43 is a camera; 44 is a hook; 45 is a power switch button; 46 is a card swipe window; 47 is an electric lock head d; 48 is a wire access window; 49 is a weighing station; 50 is the weighing station base; 51 is a mounting base; 52 is a triangular mounting plate; 53 is an electric lock d mounting plate; 54 is a riser; 55 is a coupling plate c; 56 is a through hole; 57 is an inverted L-shaped vertical bar; 58 is a through hole d; 59 is a through hole e.

Detailed Description

As shown in the attached drawing, the utility model discloses a box 1 and locomotive 2, the front and back both sides face of box 1 all articulates there is upturning car fill 3 and turns over curb plate 4 down, be fixed with locomotive display screen 5 on the locomotive 2, one side of locomotive display screen 5 is equipped with the window 46 of punching the card and sweeps yard rifle 6 and switch button 45, the window 46 of punching the card, sweep yard rifle 6 and locomotive display screen 5 and be connected, after the window 46 of punching the card sweeps yard to staff's work certificate, show and record staff's identity information in locomotive display screen 5, just can use medical garbage truck, sweep yard rifle and can scan medical garbage bag and get the two-dimensional code, thereby discern the administrative or technical offices that use medical garbage bag, and show the record in locomotive display screen 5, make things convenient for operating personnel to classify medical garbage bag, switch button 45 can supply power for medical garbage truck after opening, switch button 45, The card swiping window 46 and the code scanning gun 6 are fixed in the vehicle head 2, and the handlebar 7 is fixed below the vehicle head display screen 5; wheels are arranged below the box body 1, the wheels on the right side of the box body 1 are universal wheels 8, and the wheels on the left side of the box body 1 are directional wheels 9; be equipped with brake equipment 10 in the box 1, outside brake equipment 10's one end stretched out locomotive 2, brake equipment 10's the other end and directional wheel 9 in close contact with, brake equipment 10 can prevent directional wheel 9 and rotate for medical garbage truck stops on the road surface, presses brake equipment 10, makes brake equipment 10 unblock, and brake equipment 10 is not in the contact with directional wheel 9, makes directional wheel 9 freely rotate.

A mounting bracket a11 is arranged between the handlebar 7 and the head 2, one end of the mounting bracket a11 extends into the head 2 and is fixed in the head 2 through screws, the other end of the mounting bracket a11 extends out of the head 2, and the handlebar 7 is fixed on the mounting bracket a 11.

A roof cross beam 12 is arranged in the box body 1, the roof cross beam 12 is fixed above the box body 1, the upturned car hopper 3 is hinged on the roof cross beam 12, and the downturned side plate 4 is hinged on the box body 1.

The brake device 10 comprises a mounting bracket b13, one end of the mounting bracket b13 extends into the vehicle head 2 and is hinged to the mounting bracket a11, and the other end of the mounting bracket b13 extends out of the vehicle head 2 and is fixed with a brake lever 14; one side of the directional wheel 9 is provided with a brake unit, the brake unit comprises a mounting base 51, the mounting base 51 is fixed below the box body 1, a V-shaped plate 15 is hinged to the mounting base 51, the V-shaped plate 15 comprises a connecting plate a16 and a connecting plate b17, a tension spring a18 is fixed on the connecting plate a16, one end of the tension spring a18 is fixed on the mounting base 51, and the other end of the tension spring a18 is fixed on the connecting plate a16, so that the connecting plate b17 compresses the directional wheel 9, the directional wheel 9 cannot roll, the medical garbage truck stops on the road surface, and the lower end of the mounting support b13 is connected with the connecting plate b17 through a brake steel wire rope 19.

An electric lock head c24 is fixed on the right side of the mounting bracket b13, a through hole a corresponding to the electric lock head c24 is formed in the head 2, a lock groove c corresponding to the electric lock head c24 is formed in the upturning car hopper 3, when the brake device 10 is in a braking state, a lock tongue of the electric lock head c24 can penetrate through the through hole a to be inserted into the lock groove c, so that the electric lock head c24 can fix the upturning car hopper 3 and the downturning side plate 4, the brake device 10 is also in a braking state all the time, and the medical garbage truck cannot be started.

An electric lock d47 is arranged on one side of the mounting bracket a11, an electric lock d47 is fixed in the vehicle head 2, through holes c matched with the electric lock d47 are formed in the mounting bracket a11 and the mounting bracket b13, when an operator does not press the brake handle any more, the brake handle 14 is pulled by the brake steel wire rope 19, the mounting bracket b13 drives the brake handle 14 to be not pressed on the handle any more, when the mounting bracket b13 drives the brake handle to rotate to a limit position, (namely, the tension spring a18 pulls the connecting plate a16, so that the connecting plate b17 presses the directional wheel 9, the brake handle 14 rotates to the limit position), the through hole c in the mounting bracket a11 is overlapped with the through hole in the mounting bracket b13, a locking button of the vehicle head display screen 5 is clicked, a bolt of the electric lock d47 is automatically inserted into the through hole c, at the moment, the mounting bracket b13 is locked by the electric lock d47, so that the brake handle 14 is locked, and the operator can relieve the worry or take some urgent matters, the medical garbage truck does not need to be pushed away, when the electric lock d47 needs to be unlocked, the unlocking button displayed on the truck head display screen 5 is clicked, and the electric lock d47 can be unlocked immediately.

A tension spring b20 is arranged between the mounting bracket b13 and the box body 1, one end of a tension spring b20 is fixed below the mounting bracket b13, the other end of a tension spring a18 is fixed in the box body 1, and the tension spring b20 can pull the mounting bracket b13, so that the mounting bracket b13 rotates, and the brake crank 14 is driven to be far away from the handle.

The braking state of the braking device 10 is: the connecting plate b17 is pressed on the directional wheel 9, so that the medical garbage truck cannot move, the brake steel wire rope 19 pulls the mounting bracket b13, the mounting bracket b13 drives the brake crank 14 to be separated from the handle, and a distance exists between the brake crank 14 and the handle;

the unlocked state of the brake apparatus 10 is: the brake crank 14 is pressed to enable the brake crank 14 to be pressed on the handle, the brake crank 14 drives the mounting bracket b13 to rotate, the mounting bracket pulls the brake steel wire rope 19, the brake steel wire rope 19 drives the connecting plate b17, the connecting plate b17 does not press the directional wheel 9, the brake device 10 is unlocked, and an operator can start the medical garbage truck.

The turning part of the brake steel wire rope 19 is provided with the fixed pulley 21, the brake steel wire rope 19 is arranged at the groove of the pulley, when the mounting bracket b13 pulls the brake steel wire rope 19, the brake steel wire rope 19 drives the pulley to roll, so that the brake steel wire rope 19 is prevented from being excessively worn at the turning part, and the brake steel wire rope 19 smoothly passes through the turning part.

Handlebar 7 be the cylinder, make things convenient for the people to snatch handlebar 7 to make things convenient for the direction of artificial control medical garbage truck, brake lever 14 is the semi-cylindrical, and the radius of brake lever 14 slightly is greater than the radius of handlebar 7, when pressing brake lever 14, can make things convenient for operating personnel to operate medical garbage truck with 14 direct suits on handlebar 7.

The two sides of the upturned car hopper 3 and the two sides of the downturned side plate 4 are both provided with the tongue locks a22, the box body 1 is provided with the locking grooves a corresponding to the tongue locks a22, the downturned side plate 4 is fixed with the baffle plate, the upturned car hopper 3 is pressed on the baffle plate, and the downturned side plate 4 can be opened only when the upturned car hopper 3 is opened.

The handle locks 23 are fixed on the two sides of the upturned car hopper 3 and the downturned side plate 4, the handle locks 23 are connected with the mouth tongue locks a22 through steel wire ropes, the handle locks 23 are rotated to pull the steel wire ropes, the steel wire ropes pull the mouth tongue locks a22, the mouth tongue locks a22 are made to exit from the lock grooves a, and therefore the two sides of the upturned car hopper 3 and the downturned side plate 4 can be opened.

The automobile head 2 is fixedly provided with the micro camera 25, the micro camera 25 is connected with the automobile head display screen 5, the shared lock tongue, the automobile head display screen 5 and the microcomputer are connected with the controller, the controller can compare and analyze information read by the micro camera 25 and the card swiping machine, and therefore whether the file information read by the card swiping machine is consistent with the file information read by the micro camera 25 or not is analyzed, if the information is consistent, the lock tongue in the electric lock head c24 exits the lock groove c and the through hole a, the electric lock head c24 is automatically unlocked, the upper overturning hopper 3 and the lower overturning side plate 4 are unlocked, and the brake device 10 is also unlocked.

A weighing platform 49 is arranged below the vehicle head 2, a weighing instrument is arranged on the weighing platform 49 and connected with a controller, the controller is connected with a vehicle head 2 display instrument, and the taken medical waste is weighed and then put into the garbage vehicle, so that the weight of the weighed medical waste is fed back to the vehicle head display screen 5, and data is recorded.

The weighing table 49 comprises a supporting plate, a pulley a26 is fixed below the supporting plate, a pulley b27 is hinged to the right side of the supporting plate, a weighing table base 50 is fixed below the box body 1, a sliding groove matched with the pulley b27 is formed in the weighing table base 50, the sliding groove is in sliding connection with the pulley b27 and comprises a sliding groove a28 and a sliding groove b29, a sliding groove a28 is connected with the sliding groove b29 through a slope, the sliding groove b29 is higher than the sliding groove a28, when the pulley b27 slides to the sliding groove a28, the pulley a26 just contacts with the ground, and the supporting plate is prevented from being deformed when medical waste is measured; when the pulley b27 slides to the chute b29, the pulley a26 is disengaged from the ground, preventing the pulley a26 from being excessively worn or affecting the operation of the medical waste truck.

Locomotive display screen 5 on be equipped with flexible door plant 30, flexible door plant 30 articulates in the below of locomotive display screen 5, flexible door plant 30 includes lagging 31 and turns over the board 32, the lagging 31 suit is in turning over the board 32, outside the lagging 31 is pulled out to the lagging 31, rotate flexible door plant 30 to vertical position, flexible door plant 30 can be with locomotive display screen 5, sweep yard rifle 6 and control panel and cover completely, play the guard action, set up flutedly on the lagging 31, can place operating personnel private debris in the recess.

The left side of the sleeve plate 31 is vertically fixed with a plurality of bearing pulleys a33, the left side of the sleeve plate 31 is horizontally provided with a plurality of bearing pulleys b34, the bearing pulleys b34 are fixed at the front end and the rear end of the sleeve plate 31, sliding grooves matched with the bearing pulleys a33 and the bearing pulleys b34 are arranged in the turning plate 32, the bearing pulleys a33 and the bearing pulleys b34 are in sliding connection with the sliding grooves, the bearing pulleys a33 ensure that the sleeve plate 31 can slide stably in the turning plate 32, and the bearing pulleys b34 further ensure the stable sliding of the sleeve plate 31.

The motorcycle head 2 is provided with the mouth tongue lock b35, the sleeve plate 31 of the telescopic door panel 30 is provided with a lock groove b corresponding to the mouth tongue lock b35, and when the sleeve plate 31 is pulled out of the turning plate 32, the mouth tongue lock b35 can be matched with the lock groove b, so that the telescopic door panel 30 can cover the motorcycle head display screen 5, the code scanning gun 6 and the control panel, and the telescopic door panel 30 is fixed.

A hand sanitizer bracket and a code scanning gun bracket are fixed on the box body 1 below the vehicle head 2, articles such as a hand sanitizer can be placed on the hand sanitizer bracket, and a code scanning gun is placed on the code scanning gun bracket.

The box body 1 below the headstock 2 is provided with a tipping box 36, the tipping box 36 is hinged on the box body 1, and personal articles of operators can be placed in the tipping box 36.

The door closing sensor a38 is arranged on the box body 1 where the upturning car hopper 3 is located, the door closing sensor b39 is arranged on the box body 1 where the downturning side plate 4 is located, the alarm device is arranged on the box body 1, the door closing sensor a38, the door closing sensor b39 and the alarm device are all connected with the controller, when the upturning car hopper 3 or the downturning side plate 4 is not closed by an operator, the controller gives an alarm, and the trapezoidal operator closes the upturning car hopper 3 or the downturning side plate 4.

A hydraulic support 37 is arranged between the upturning car hopper 3 and the box body 1, two ends of the hydraulic support 37 are respectively hinged to the upturning car hopper 3 and the box body 1, when the upturning car hopper 3 upturns the car hopper 3, the hydraulic support 37 assists the upturning car hopper 3, the upturning car hopper 3 can be opened in a labor-saving mode, and the hydraulic support 37 can play a supporting role after the upturning car hopper 3 is opened.

The box 1 in seted up a plurality of through-holes b40, box 1 can be equipped with a plurality of car hopper baffle 41 in, the baffle top is fixed with the bolt with through-hole b40 matched with, the bolt can inject through-hole b40 to make car hopper baffle 41 fix in box 1, car hopper baffle 41 falls into the multisection with box 1, can effectively classify to medical waste.

The box body 1 is provided with the water leakage valve 42 in a downward turning mode, and the water leakage valve 42 is opened, so that liquid in the box body 1 can flow out, and the box body 1 is convenient to clean.

The front side and the rear side of the box body 1 are provided with cameras 43, and the cameras 43 can shoot the surrounding environment of the medical garbage truck.

A plurality of hooks 44 are fixed at the right end of the box body 1, and the hooks 44 can hang garbage cans or other articles and the like.

One side of locomotive display screen be equipped with electric wire maintenance window 48, can make things convenient for the master worker to overhaul.

The mounting bracket a11 comprises a triangular mounting plate 52, an inverted L-shaped vertical rod 57 is fixed on the triangular mounting plate 52, an electric lock d mounting plate 53 is fixed on the inverted L-shaped vertical rod 57, the mounting bracket b13 is fixed in the box body 1 through the triangular mounting plate 52, an electric lock d47 is fixed on the mounting plate 53 of the electric lock d through screws, and a through hole d58 is formed in the inverted L-shaped vertical rod 57; the mounting bracket b13 comprises a vertical plate 54 and a connecting plate c55, an electric lock head c24 is fixed on the vertical plate 54, a through hole e59 is formed between the connecting plate c55 and the vertical plate 54, and the mounting bracket b13 and the mounting bracket a11 are hinged with the through hole e59 through a through hole d 58.

The working process of the utility model is as follows: at the beginning, a bolt in the electric lock head c24 is inserted into the lock groove c and the through hole a, at the moment, the upturned bicycle hopper 3 and the downturned side plate 4 cannot be opened, and the brake crank 14 in the brake device 10 is not in contact with the handle bar and cannot be pressed to unlock the brake crank 14; an operator opens the flip door panel by using a key, a work card is scanned by using the code scanning gun 6, the micro camera 25 is started to shoot the operator, information acquired by the code scanning gun 6 and information acquired by the micro camera 25 are sent to the controller, the controller compares the information, if the information is consistent, the controller controls the electric lock head c24 to exit from the lock groove c and the through hole a, if the information is inconsistent, an alarm is given, the electric lock head c24 is not unlocked, when the information is consistent, the operator can press the brake lever 14 to press the handle, the brake steel wire rope 19 pulls the connecting plate b17 at the moment, the connecting plate b17 does not press the directional wheel 9 to push the medical garbage truck, when the medical garbage truck is pushed to a place where the medical garbage needs to be collected, the brake lever 14 is released, the brake lever 14 automatically rotates under the pulling of the tension spring a18 and the brake steel wire rope 19, the brake crank 14 is not pressed on the handle, the connecting plate b17 is pressed against the orientation wheel 9 again by the V-shaped plate 15 under the action of the tension spring a18, so that the medical garbage truck is fixed, an operator pulls out the weighing platform 49 turned down from the box body 1 after taking the medical garbage, the medical garbage is weighed, the handle lock 23 is screwed after the weighing is finished, the upturning truck bucket 3 and the downturning side plate 4 can be opened according to actual requirements, or only the upturning truck bucket 3 is opened, and the medical garbage is put into the box body 1; and finally, starting the medical garbage truck at the vehicle head 2.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims (7)

1. The utility model provides a handcart brake equipment that stops promptly loosens hand establishes in box (1) of handcart, and outside locomotive (2) of handcart are stretched out to the one end of brake equipment (10), the other end of brake equipment (10) and directional wheel (9) in close contact with of handcart, and brake equipment includes handlebar (7) and brake lever (14), its characterized in that: a mounting bracket a (11) is fixed on the handlebar (7), the mounting bracket a (11) is fixed on the bicycle head (2), a mounting bracket b (13) is fixed on the brake lever (14), the mounting bracket b (13) is hinged on the mounting bracket a (11), one side of the directional wheel (9) is provided with a brake unit, the brake unit include installation base (51), installation base (51) are fixed in box (1) below, it has a V template (15) to articulate on installation base (51), V template (15) are including linking a (16) and linking b (17), be fixed with one extension spring a (18) on linking a (16), the one end of extension spring a (18) is fixed on installation base (51), the other end of extension spring a (18) is fixed on linking a (16), link b (17) compress tightly directional wheel (9), be connected through brake wire rope (19) between the lower extreme of installing support b (13) and linking b (17).

2. A hand truck brake rigging for stopping when released, according to claim 1, wherein: and a tension spring b (20) is arranged between the mounting bracket b (13) and the box body (1), one end of the tension spring b (20) is fixed at the lower end of the mounting bracket b (13), and the other end of the tension spring a (18) is fixed in the box body (1) below the mounting bracket b (13).

3. A hand truck brake rigging for stopping when released, according to claim 1, wherein: the turning part of the brake steel wire rope (19) is provided with a fixed pulley (21), and the brake steel wire rope (19) is arranged at the groove of the pulley.

4. A hand truck brake rigging for stopping when released, according to claim 1, wherein: an electric lock head c (24) is fixed on the right side of the mounting bracket b (13), and a through hole a corresponding to the electric lock head c (24) is formed in the vehicle head (2).

5. A hand truck brake rigging for stopping when released according to claim 4, further comprising: one side of installing support a (11) be equipped with electric lock d (47), electric lock d (47) are fixed in locomotive (2), and all seted up on installing support a (11) and installing support b (13) with electric lock d (47) matched with through-hole c.

6. A hand truck brake rigging for stopping when released, according to claim 1, wherein: the bicycle brake is characterized in that the handlebar (7) is cylindrical, the brake lever (14) is semi-cylindrical, and the radius of the brake lever (14) is larger than that of the handlebar (7).

7. A hand-held brake for a hand-held vehicle as claimed in claim 5, wherein: the electric lock head c (24) and the electric lock head d (47) are both connected with a controller.

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