CN216332560U - Direct-connection hard-pull type self-braking-prevention braking mechanism - Google Patents
Direct-connection hard-pull type self-braking-prevention braking mechanism Download PDFInfo
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- CN216332560U CN216332560U CN202123218504.5U CN202123218504U CN216332560U CN 216332560 U CN216332560 U CN 216332560U CN 202123218504 U CN202123218504 U CN 202123218504U CN 216332560 U CN216332560 U CN 216332560U
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Abstract
A direct-connection hard-pull type self-braking-prevention braking mechanism is installed on a vehicle frame of a vehicle and comprises a braking pedal, a front braking pull rod, a braking connecting rod shaft, a connecting rod driving rocker arm, braking connecting rod rocker arms, rear braking pull rods, and rear braking rocker arms, wherein the braking pedal is hinged to the vehicle frame, the front braking pull rod is hinged to the braking pedal, the braking connecting rod shaft is rotatably fixed to the vehicle frame, the connecting rod driving rocker arm is fixed to the middle of the braking connecting rod shaft, the braking connecting rod rocker arms are fixed to two sides of the braking connecting rod shaft, the rear braking pull rod is hinged to the braking connecting rod rocker arms, and the rear braking rocker arms are hinged to the rear braking pull rods. The other end of the front brake pull rod is hinged with the connecting rod driving rocker arm. The rear brake rocker arm is connected with a rear brake. The hinge axis of the brake connecting rod rocker arm hinged with the rear brake pull rod is concentric with the rear bottom fork bent auxiliary pair lock shaft of the rear bottom fork, so that the rear brake pull rod and the rear brake rocker arm move concentrically, and the stroke difference in the moving process does not exist, so that the self-braking problem is avoided; meanwhile, the brake pull rod is adopted to replace a brake cable, so that the problem of insufficient brake force is solved.
Description
Technical Field
The utility model belongs to the field of machinery, particularly relates to the field of vehicle braking, and particularly relates to a direct-connection hard-pull type self-braking prevention braking mechanism.
Background
The vehicle is an important transportation means in modern society, and a brake device of the vehicle is indispensable and is very important for the safe use of the vehicle. The brake pull rod hub type mechanism is widely applied to rear braking vehicle structures of electric positive motor tricycles, positive motor tricycle light motorcycles, leisure tricycles, leisure small quadricycles and the like.
The brake pull rod hub type mechanism is a mechanism which drives a front brake pull rod by stepping a brake pedal, the front brake pull rod drives a rear brake pull rod by a brake rocker arm, and the rear brake pull rod drives a shoe block in a hub brake to be tensioned by dragging the hub brake rocker arm, so that the brake effect is realized. Conventional directly link hard formula brake pull rod arrestment mechanism that draws, because the rear axle part belongs to the actual conditions that the movable part can appear reciprocating, but conventional structure brake rocker piece down, do not guarantee with brake rocker piece and back chain stay bent auxiliary shaft concentric, can appear rear axle rocker motion radius and back brake pull rod motion radius not the same when the actual driving, have the stroke difference, this stroke difference leads to the back brake pull rod to pull back brake hub and stops the rocking arm and appear from the brake phenomenon. The other conventional mechanism is that a brake rocker arm is welded on a rear flat fork, a front brake pull rod is replaced by a brake cable, the self-braking phenomenon can be avoided due to the mobility of the brake cable, but the braking force cannot achieve the effect of complete braking due to the deformation of the brake cable, and the driving danger exists.
Now according to market demand, research and development all be directly connected the brake pull rod of hard drawing around and guarantee that brake force appears self-braking phenomenon and convenient subsequent maintenance and maintenance when avoiding the heavy load simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of self-braking phenomenon and insufficient braking force caused by brake cable deformation of the conventional brake pull rod hub type mechanism.
In order to solve the problems, the utility model provides a direct-connection hard-pull type self-braking-prevention braking mechanism which is arranged on a vehicle frame of a vehicle and comprises a braking pedal hinged with the vehicle frame, a front braking pull rod hinged with the braking pedal, a braking connecting rod shaft rotatably fixed on the vehicle frame, a connecting rod driving rocker arm fixed in the middle of the braking connecting rod shaft, braking connecting rod rocker arms fixed on two sides of the braking connecting rod shaft, a rear braking pull rod hinged with the braking connecting rod rocker arms and a rear braking rocker arm hinged with the rear braking pull rod.
The other end of the front brake pull rod is hinged with the connecting rod driving rocker arm.
The rear brake rocker arm is connected with a rear brake.
The hinged axis of the brake connecting rod rocker hinged with the rear brake pull rod is concentric with the rear bottom fork bent auxiliary pair lock shaft of the rear bottom fork.
The brake connecting rod shaft penetrates through a through hole on a brake connecting rod fixing sheet fixed on the frame to form a bearing structure.
The brake connecting rod rocker arm, the rear brake pull rod and the rear brake rocker arm are respectively arranged in two sets and are respectively arranged on two sides of the vehicle.
The upper end of the brake connecting rod fixing piece is fixed with the frame and extends towards the rear lower part at an angle A with the horizontal plane.
The angle A is 35-60 degrees.
The front end of the rear bottom fork is hinged with a rear bottom fork bent auxiliary fixed on the frame, the rear end of the rear bottom fork is elastically connected with the frame through a damping spring, and the middle part of the rear bottom fork is fixedly connected with a rear axle of a vehicle.
The brake connecting rod rocker arm is of a vertically upward cantilever structure.
The rear brake pull rod is made of a hollow or solid metal rod, and two ends of the rear brake pull rod are provided with shaft holes for hinged transmission.
The brake connecting rod shaft is positioned below the rear bottom fork bending aid.
The brake connecting rod shaft is of a hollow pipe structure.
According to the utility model, the brake connecting rod is fixed on the frame on the basis of the original vehicle body structure, and the axis of the hinge hole for fixing the brake pull rod by the rocker arm of the brake connecting rod is concentric with the auxiliary pair lock shaft of the rear bottom fork, so that the rear brake pull rod and the rear brake rocker arm move concentrically, and the stroke difference in the moving process does not exist. The brake structure ensures that the best brake effect can be achieved no matter how the rear axle moves, and meanwhile, the brake structure of the brake pull rod which is directly connected and hard pulled can be adopted, so that the brake slowness can be avoided. Meanwhile, the structure is simple, the later maintenance and repair work is convenient, and the structure is excellent in mechanical property, few in related parts and easy to popularize and use in batches, so that the defects of the traditional structure are overcome fundamentally, and the driving experience of passengers is greatly improved. Meanwhile, as no other parts are added, the cost of the enterprise is not increased. The utility model discloses a not high to the structure requirement, whenever satisfy brake connecting rod rocking arm and brake pull rod fixed orifices and back chain stay bent assist to lock collineation or nearly reach the collineation and can regard as the utility model structure. Meanwhile, the brake connecting rod fixing piece can be welded on the frame and also can be welded on the rear fork, and the problem of self-braking of the load can be avoided when collinear or coaxial motion is achieved.
The utility model drives a front brake connecting rod by a foot brake pedal of a driver and an occupant, a front brake pull rod drives a brake connecting rod rocker arm and a brake connecting rod rocker arm through a brake rocker arm on the brake connecting rod and a brake connecting rod shaft, and is characterized in that the axle centers of a hinge hole of a left side brake connecting rod rocker arm and a left side rear brake pull rod, the axle centers of a hinge hole of a right side brake connecting rod rocker arm and a right side rear brake pull rod, and the axle centers of the front end of a rear chain stay and a rear chain stay are collinear in structure. The rear brake connecting rod rocker arm drives the rear brake rocker arm through the rear brake pull rod, the rear brake rocker arm achieves a brake effect by driving the expanding brake inside the rear brake, the rear axle is fixed on the rear fork, circular motion with the rear fork as a circle center is assisted by the rear fork along with the motion of the damping spring on the rear fork, and meanwhile, all the rear brake pull rods can also move along with the rear axle brake rocker arm due to the fact that the brake connecting rod rocker arm is concentric with the rear axle brake rocker arm, so that no matter how the rear axle moves, the self-braking phenomenon cannot occur. It is emphasized that the requirement that the brake connecting rod rocker arm, the brake pull rod fixing hole and the rear bottom fork crank auxiliary pair lock are collinear or nearly collinear can be regarded as the equivalent structure of the utility model.
In conclusion, the brake pull rod hub type mechanism solves the problems of self-braking and insufficient brake line deformation and brake force of the existing brake pull rod hub type mechanism, and has the beneficial technical effects of avoiding self-braking and stabilizing brake force.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
in the figure: 1. a rotating shaft; 2. a brake pedal; 3. a front brake lever; 4. a brake link shaft; 5. a rear brake pull rod; 6. a rear brake rocker arm; 7. a rear brake; 8. an axis; 9. the rear bottom fork is bent and assisted; 10. a rear bottom fork; 11. a rear axle; 41. the connecting rod drives the rocker arm; 42. a brake connecting rod rocker arm; 43. a brake connecting rod fixing sheet; 91. locking the shaft; 101. a hinged seat.
Detailed Description
The following further description of the embodiments with reference to fig. 1 and the specific embodiments is provided to facilitate the understanding of the present invention.
As shown in fig. 1, the utility model provides a direct-connection hard-pull type self-braking-prevention braking mechanism, which is mounted on a vehicle frame (not shown in the figure) of a vehicle, and comprises a brake pedal 2 hinged with the vehicle frame through a rotating shaft 1, a front brake pull rod 3 hinged with the brake pedal 2, a brake connecting rod shaft 4 rotatably fixed on the vehicle frame, a connecting rod driving rocker arm 41 fixed in the middle of the brake connecting rod shaft 4, brake connecting rod rocker arms 42 fixed on two sides of the brake connecting rod shaft 4, a rear brake pull rod 5 hinged with the brake connecting rod rocker arms 42, and a rear brake rocker arm 6 hinged with the rear brake pull rod 5.
The other end of the front brake pull rod 3 is hinged with the connecting rod driving rocker arm 41.
The rear brake rocker arm 6 is connected with a rear brake 7.
The hinged axis 8 of the brake connecting rod rocker 42 hinged with the rear brake pull rod 5 is concentric with the rear bottom fork curve auxiliary 9 of the rear bottom fork 10 to the lock shaft 91.
The brake link shaft 4 passes through a through hole of a brake link fixing plate 43 fixed to the frame to form a bearing structure.
The brake connecting rod rocker arm 42, the rear brake pull rod 5 and the rear brake rocker arm 6 are respectively arranged on two sides of the vehicle.
The upper end of the brake connecting rod fixing sheet 43 is fixed with the frame and extends backwards and downwards at an angle A with the horizontal plane.
The angle A is 35-60 degrees.
The front end of the rear bottom fork 10 is hinged with a rear bottom fork bent auxiliary 9 fixed on the frame, the rear end of the rear bottom fork is provided with a hinged seat 101 used for connecting a damping spring, the other end of the damping spring is connected with the frame, and the middle part of the rear bottom fork 10 is fixedly connected with a rear axle 11 of a vehicle.
The brake link rocker arm 42 is a vertically upward cantilevered structure.
The rear brake pull rod 5 is made of a hollow metal rod, and two ends of the rear brake pull rod are provided with shaft holes for hinged transmission.
The brake connecting rod shaft 4 is positioned below the rear bottom fork bent auxiliary 9.
The brake connecting rod shaft 4 is of a hollow pipe structure.
According to the utility model, the brake connecting rod shaft 4 is fixed on the frame on the basis of the original vehicle body structure, and the brake connecting rod rocker arm 42 is fixed on the hinge hole axis 8 of the rear brake pull rod 5 and the rear bottom fork curve auxiliary 9 which are concentric with the lock shaft 91, so that the rear brake pull rod 5 and the rear brake rocker arm 6 move concentrically, and the stroke difference in the moving process does not exist. The brake structure ensures that the best braking effect can be achieved no matter how the rear axle 11 moves, and meanwhile, the rear brake pull rod 5 which is a directly-connected hard-pulling brake structure is adopted, so that the brake slowness can be avoided. Meanwhile, the structure is simple, the later maintenance and repair work is convenient, and the structure is excellent in mechanical property, few in related parts and easy to popularize and use in batches, so that the defects of the traditional brake structure are overcome fundamentally, and the running safety of the vehicle is greatly improved. Meanwhile, as no other parts are added, the cost of the enterprise is not increased. The utility model discloses a not high to the structure requirement, whenever satisfy brake connecting rod rocking arm 42 and back brake pull rod 5 hinge hole axle center 8 and back chain stay bent and assist 9 and to lock axle 91 collineation or nearly reach the collineation and can regard as the utility model structure. Meanwhile, the brake connecting rod fixing plate 43 can be welded on the frame and the rear bottom fork 10, and the problem of load self-braking can be avoided when collinear or coaxial movement is achieved.
According to the utility model, a driver and a passenger step on a foot brake pedal 2 to drive a front brake connecting rod 3, the front brake connecting rod 3 drives a rear brake connecting rod 5 and a brake connecting rod rocker arm 6 through a brake rocker arm 42 on a brake connecting rod shaft 4, the brake connecting rod rocker arm 42 drives a rear brake rocker arm 6 through the rear brake pull rod 5, the rear brake rocker arm 6 drives an expansion brake in a rear brake 7 to achieve a braking effect, a rear axle 11 is fixed on a rear flat fork 10, circular motion with the axis of a rear flat fork bent auxiliary 9 as the center of a circle is carried out along with the motion of a damping spring on the rear flat fork 10, and meanwhile, all rear brake connecting rod 5 can also move along with the rear brake rocker arm 6 due to the concentricity of the brake connecting rod rocker arm 42, so that no self-braking phenomenon occurs no matter how the rear axle moves.
The above description only discloses the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a directly link hard formula of drawing and prevent self-braking arrestment mechanism installs on the frame of vehicle, its characterized in that: the brake device comprises a brake pedal hinged with a vehicle frame, a front brake pull rod hinged with the brake pedal, a brake connecting rod shaft rotatably fixed on the vehicle frame, a connecting rod driving rocker arm fixed in the middle of the brake connecting rod shaft, brake connecting rod rocker arms fixed on two sides of the brake connecting rod shaft, a rear brake pull rod hinged with the brake connecting rod rocker arms, and a rear brake rocker arm hinged with the rear brake pull rod;
the other end of the front brake pull rod is hinged with the connecting rod driving rocker arm;
the rear brake rocker arm is connected with a rear brake;
the hinged axis of the brake connecting rod rocker hinged with the rear brake pull rod is concentric with the rear bottom fork bent auxiliary pair lock shaft of the rear bottom fork.
2. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 1, wherein: the brake connecting rod shaft penetrates through a through hole on a brake connecting rod fixing sheet fixed on the frame to form a bearing structure.
3. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 1, wherein: the brake connecting rod rocker arm, the rear brake pull rod and the rear brake rocker arm are respectively arranged in two sets and are respectively arranged on two sides of the vehicle.
4. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 2, wherein: the upper end of the brake connecting rod fixing piece is fixed with the frame and extends towards the rear lower part at an angle A with the horizontal plane.
5. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 4, wherein: the angle A is 35-60 degrees.
6. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 1, wherein: the front end of the rear bottom fork is hinged with a rear bottom fork bent auxiliary fixed on the frame, the rear end of the rear bottom fork is elastically connected with the frame through a damping spring, and the middle part of the rear bottom fork is fixedly connected with a rear axle of a vehicle.
7. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 1, wherein: the brake connecting rod rocker arm is of a vertically upward cantilever structure.
8. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 1, wherein: the rear brake pull rod is made of a hollow or solid metal rod, and two ends of the rear brake pull rod are provided with shaft holes for hinged transmission.
9. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in claim 7, wherein: the brake connecting rod shaft is positioned below the rear bottom fork bending aid.
10. The direct-connection hard-pull type self-braking-prevention braking mechanism as claimed in any one of claims 1 to 9, wherein: the brake connecting rod shaft is of a hollow pipe structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123218504.5U CN216332560U (en) | 2021-12-20 | 2021-12-20 | Direct-connection hard-pull type self-braking-prevention braking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123218504.5U CN216332560U (en) | 2021-12-20 | 2021-12-20 | Direct-connection hard-pull type self-braking-prevention braking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216332560U true CN216332560U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123218504.5U Active CN216332560U (en) | 2021-12-20 | 2021-12-20 | Direct-connection hard-pull type self-braking-prevention braking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216332560U (en) |
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2021
- 2021-12-20 CN CN202123218504.5U patent/CN216332560U/en active Active
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