CN2436203Y

CN2436203Y - Rear wheel brake device for scooter

Info

Publication number: CN2436203Y
Application number: CN00250122U
Authority: CN
Inventors: 蔡水德
Original assignee: JD Components Co Ltd
Current assignee: JD Components Co Ltd
Priority date: 2000-09-12
Filing date: 2000-09-12
Publication date: 2001-06-27
Anticipated expiration: 2010-09-12

Abstract

The utility model relates to a brake device for scooter back wheels, comprising a wheel cover which is arranged on a scooter bracket so as to be capable of being covered and arranged on the periphery of a prearranged position of the wheel correspondingly at intervals, and is provided with a penetrating part which is arranged in a prearranged position of the wheel cover. A treading block is arranged in a corresponding position of the penetrating part of the wheel cover, and can be away from a wheel direction by the support of elasticity. An auxiliary scooter block is connected to the treading block by the penetrating part of the wheel cover for linking. Braking actuation is generated relative to the periphery of the wheels. Elastic force is overcome by treading and bunting the treading block by a foot part downwards. The periphery of the wheels is pressed together relatively by a brake block. So the brake is generated and the wheels are stopped from rotating.

Description

Scooter rear wheel brake device

The utility model is relevant with scooter, is meant a kind of scooter rear wheel brake device especially, and it has the effect of imitating brake wheel.

Press, as shown in Figure 1, the rear wheel brake device of general scooter, be to install a wheel cover in its support, its wheel cover is separated by is covered on the periphery of wheel, compress this wheel cover of swing and make its inner rim compress the excircle of wheel and use, and produce the effect of skidding.

Yet this type of brake gear is because the scope that contains of whole wheel cover is bigger, so after the one end is installed in support, causes beat easily and can't correctly compress wheel; Moreover, even this wheel cover swing compresses wheel,, therefore often cause the bad phenomenon of braking effect because the matching relationship of size and periphery only is than the small size contact usually.

The applicant is because above-mentioned disappearance, therefore pains research and development the utility model scooter rear wheel brake device in addition.

Main purpose of the present utility model is promptly providing a kind of scooter rear wheel brake device, and it can produce skidding to wheel for valid function.

An of the present utility model purpose more providing a kind of scooter rear wheel brake device, and it is the effective start in position that can make brake.

Edge is to take off the creation purpose before reaching, the utility model provides scooter rear wheel brake device, consist predominantly of a wheel cap and be installed on the support of this scooter, and the precalculated position periphery that can corresponding be separated by and be covered on wheel, it has the portion of wearing and is located at the wheel cap precalculated position; One steps on the portion that the wears correspondence position that motion block is installed in this wheel cap, and established away from the wheel direction by the elastic force top; One brake shoes is connected in this by the portion of wearing of this wheel cap and steps on the motion block interlock, makes the periphery of its relative wheel produce the start of brake.

By, therefore this is stepped on motion block and stepped on to overcoming elastic force by foot downwards, makes the periphery of the relative pressing wheel of its brake shoes, produces skidding and wheel is stopped operating.

Wherein this wheel cap is the support that fixedly is connected to scooter.

Wherein this wheel cap is that movable compressing is arranged in support.

Wherein this is stepped on motion block and is provided with one and steps on the face of establishing for what foot trampled.

Wherein this to step on motion block be supported by at least one elastic component.

Wherein this elastic component is to be a compression spring.

Wherein this elastic component is to be a compression shell fragment.

Wherein this is taken turns and is covered with the containing hole that at least one confession installs elastic component.

Wherein this connector is to be one with stepping on motion block.

Wherein this connector be with brake shoes be one.

Wherein the free end of this connector is to connect with pivot joint to establish.

Wherein this connector is to be a bolt.

Wherein this wheel cap is to be provided with two perforatings to wear for two connectors.

Wherein this each connecting rod is to be articulated in respectively to step on motion block and brake shoes, and forms the actuation mechanism of four connecting rods.

More understand characteristics of the present utility model and effect for making, lift following examples now and cooperate graphic being described as follows, wherein:

Fig. 1 is a plane of commonly using the scooter brake gear for one.

Fig. 2 be the utility model one preferred embodiment and combination view.

Fig. 3 is the top view of the utility model one preferred embodiment and scooter.

Fig. 4 is the braking action state diagram of Fig. 2.

Fig. 5 is the side cutaway view of another preferred embodiment of the utility model.

Fig. 6 is the utility model side cutaway view of a preferred embodiment again.

Fig. 7 is the side cutaway view of the another preferred embodiment of the utility model.

Fig. 8 is the more side cutaway view of a preferred embodiment of the utility model.

Fig. 9 is the more side cutaway view of a preferred embodiment of the utility model.

See also Fig. 2, the utility model one preferred embodiment scooter rear wheel brake device is to be installed on the support 7 of scooter, be provided with covering effect and the force-applied wheel 8 that compresses of establishing wheel 8 and produce the effect of braking, wherein:

This wheel 8 is to have a peripheral part 81 to slide for kiss the earth.

And extremely shown in Figure 5 as Fig. 3, this brake gear of the utility model includes:

One wheel cap 10, having a lid 11 is installed on the support 7 of this scooter, be covered on the peripheral part 81 of wheel 8 predetermined positions and can corresponding be separated by, it has a movable span 13 and is located at this lid 11 precalculated positions, and two containing holes 17 are divided into two sides of this movable span 13.

One steps on motion block 30, is the outside of being located at movable span 13 relative wheels 8 of this wheel cap 10, can for foot step on usefulness instead, it is to be provided with two fixing holes 35 to wear the usefulness that screws togather for bolts, and each containing hole 17 position that 37 pairs of two containing holes should wheel cap 10.

One brake shoes 50 is corresponding to this wheel 8, have a junction 53 and establish two screws, 55 relative these and step on the fixing hole 35 of motion block 30, and each wears joint with a bolt 59; Wherein, the braking surface 57 of this brake shoes 50 is to form and the identical arc of wheel 8 peripheries, so that can fit in the periphery of this wheel 8 fully.

Two springs 70 are respectively to be installed in the containing hole 17 of this wheel cap 10 and to be butted on this and to step on motion block 30, and can make this brake shoes 50 and the peripheral part 81 of wheel 8 keep predetermined distance.

The start of relevant present embodiment and operational scenario are described as follows now:

As shown in Figure 2, be this brake gear nature, by the elastic force of spring 70 this is stepped on motion block 30 and brake shoes 50 and establish together with the top and leave this wheel 8, therefore make wheel 8 in state free to rotate.

Otherwise, when operation makes wheel 8 brake of scooter, as shown in Figure 4, step on by foot and to establish this and step on the downward start of elastic force that motion block 30 makes it overcome spring 70, this brake shoes 50 of interlock supports its braking surface 57 and is located at the periphery tyre surface of this wheel 8, and makes the wheel 8 generation braking action that stops operating.

In addition, as shown in Figure 5, the connecting portion 53A of this brake shoes is hubbed at this with a trunnion 61 to step on motion block, and this steps on the motion block start that makes progress and the connecting portion that is sheathed on this brake shoes with a spring 70A is for the elasticity contact.

Perhaps as shown in Figure 6, this connecting portion 39A is shaped in this to step on motion block, and its other end is also to be articulated in this brake shoes with a trunnion 61.

In addition as shown in Figure 7, wherein two ends of this connecting rod 60 are all to be articulated in this to step on motion block and brake shoes, step on motion block and establish with leaf spring 70B top.

As shown in Figure 8, the brake gear of another preferred embodiment of the utility model, wherein this wheel cap 10A is provided with two movable span 13A, and this steps on motion block 30A and brake shoes 50A also wears each movable span 13A of this wheel cap 10A and is connected with the two with two bolt 60A, to finish its assembled state.

In addition, as shown in Figure 9, this device is to have two connecting rods 60 to articulate this with a trunnion 61 and step on motion block and brake shoes, therefore forms the actuation mechanism of one or four connecting rods relatively; It can be by stepping on the orientation angle difference of establishing, or for cooperating the position angle of wheel, as the preferable on-position that compresses.

Structure of the present utility model not only can be used for fixed the wheel and covers, and also can be used for the movable wheel cap that compresses wheel brake, and the effect that obtains multiplying each other.

By above each embodiment explanation, it is as follows to conclude characteristics of the present utility model:

1. the utility model scooter rear wheel brake device, it is to be installed in wheel top wheel cap, and can press down this wheel brake effect of resistance relatively, can effectively reach the effect of direct brake.

2. the utility model scooter rear wheel brake device, its again by independent brake shoes start to wheel braking, therefore can prevent normal danger improperly situation produce, and can reduce improper abrasion to wheel.

To sum up institute is old, the utility model scooter rear wheel brake device, every characteristics of taking off before having and reached and respectively create purpose, its unitary construction is really at first creating and having progressive and a practicality effect, the important document that meets novel patent, patent is filed an application in the whence in accordance with the law, please grants quasi patent early for praying.

Claims

1. a scooter rear wheel brake device is characterized in that, consists predominantly of:

One wheel cap is to be installed on the support of this scooter, and the precalculated position periphery that can corresponding be separated by and be covered on wheel, it has at least one portion of wearing and is located at the wheel cap precalculated position;

One steps on motion block, is the portion that the wears correspondence position that is installed in this wheel cap, and established away from the wheel direction by the elastic force top;

One brake shoes is that the portion of wearing by this wheel cap is connected in this and steps on the motion block interlock;

At least one connector is the portion that wears that wears this wheel cap, establishes interlock this steps on motion block and brake shoes and connect.

2. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that wherein this wheel cap is the support that fixedly is connected to scooter.

3. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that wherein this wheel cap is that movable compressing is arranged in support.

4. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that wherein this is stepped on motion block and is provided with one and steps on the face of establishing for what foot trampled.

5. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that, wherein this to step on motion block be supported by at least one elastic component.

6. according to the described scooter rear wheel brake of claim 5 device, it is characterized in that wherein this elastic component is to be a compression spring.

7. according to the described scooter rear wheel brake of claim 5 device, it is characterized in that wherein this elastic component is to be a compression shell fragment.

8. according to the described scooter rear wheel brake of claim 5 device, it is characterized in that wherein this is taken turns and is covered with the containing hole that at least one confession installs elastic component.

9. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that wherein this connector is to be one with stepping on motion block.

10. according to the described scooter rear wheel brake of claim 1 device, it is characterized in that, wherein this connector be with brake shoes be one.

11., it is characterized in that wherein the free end of this connector is to connect with pivot joint to establish according to claim 9 or 10 described scooter rear wheel brake devices.

12., it is characterized in that wherein this connector is to be a bolt according to the described scooter rear wheel brake of claim 1 device.

13., it is characterized in that wherein this wheel cap is to be provided with two perforatings to wear for two connectors according to the described scooter rear wheel brake of claim 1 device.

14., it is characterized in that wherein this each connecting rod is to be articulated in respectively to step on motion block and brake shoes, and forms the actuation mechanism of four connecting rods according to the described scooter rear wheel brake of claim 13 device.