CN214325071U - Automobile brake pedal assembly - Google Patents

Abstract

The utility model provides an automobile brake pedal assembly, includes support, pedal arm, return spring, connecting axle, connecting plate and booster, is provided with the pedal arm on the support, pedal arm one end is provided with the footboard, the pedal arm other end sets up on the sleeve pipe, pedal arm one side is provided with return spring, the connecting axle is fixed at the support intermediate position, the support side is provided with the motion guide rail, pedal arm top is provided with the guide block, be provided with the push rod on the support, the push rod links to each other with the booster that the support outside set up, the inside return spring that sets up of support carries out the return with the pedal arm through the pulling force, can effectually fast carry out the return with the pedal arm through booster and push rod, the connecting plate that sets up on the push rod, first bolt and the second bolt that set up on the connecting plate are swing joint, can carry out a supporting role to pedal arm when moving like this, and mutually support between booster and guide block and the motion guide rail and can avoid appearing the pedal not enough or return force of return to appear The problem of excessive force occurs.

Description

Automobile brake pedal assembly

Technical Field

The utility model relates to an element technical field is controlled to the car, specifically is an automobile brake pedal assembly.

Background

The pedal arm of brake pedal is higher frequently in the use, probably needs tens of thousands of movements at whole car life cycle, and the footboard generally needs back of flavor spring or helping hand spring, and the motion in-process spring that does not stop can rub with the rotation axis contact, and metal friction wearing and tearing are very fast to noise appears, phenomenons such as jamming, among the current automobile brake pedal structure, the adoption is return spring, and return spring's effect is the return that drives the pedal arm, and produces trigger switch's strength.

For example, the patent publication "CN 201320627375.1" is named as: the patent of "an automobile pedal mechanism" discloses "including footboard body, pedal arm, footboard panel beating, helping hand spring, return spring, helping hand spring's one end is fixed on the footboard body, helping hand spring's the other end is connected on the pedal arm, be equipped with the footboard sleeve pipe on the pedal arm, return spring's body cover is in on the footboard sleeve pipe, return spring's one end is fixed on the footboard panel beating, return spring's the other end is connected on the pedal arm.

The utility model has the advantages that: the utility model discloses a compatible helping hand of automobile pedal mechanism and return two kinds of states simultaneously can select the helping hand state or the return state according to the user demand, also can guarantee simultaneously that pedal mechanism under the unchangeable condition, and helping hand state and return state switch over mutually, and both reduce cost like this can guarantee again that the product maximize is general.

However, the prior art has low return efficiency and often has a phenomenon of jamming, but in the initial use process, due to the structural reason of the whole brake system, the resistance is relatively large when the brake pedal is stepped on, and the driver is easy to fatigue after long-time operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a simple structure, sensitive car brake pedal assembly of reaction.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

an automobile brake pedal assembly comprises a support, a pedal arm, a return spring, a connecting shaft, a connecting plate and a booster, wherein the pedal arm is arranged on the support, a pedal is arranged at one end of the pedal arm, the other end of the pedal arm is arranged on a sleeve, the return spring is arranged on one side of the pedal arm and movably sleeved on the connecting shaft, one end of the return spring is arranged on a fixed point, the other end of the return spring is arranged on the pedal arm, the connecting shaft is fixed at the middle position of the support, a motion guide rail is arranged on the side surface of the support, a guide block is arranged at the top end of the pedal arm and arranged on the motion guide rail, a push rod is arranged on the support and connected with the booster arranged outside the support, one end of the push rod is arranged on the booster, the other end of the push rod is provided with the connecting plate, a first bolt and a second bolt are arranged on the connecting plate, the first bolt is connected with the connecting rod, the second bolt is connected to the pedal arm.

In order to realize the better return of pedal arm, the utility model discloses the improvement has, first bolt and second bolt and push rod and pedal arm swing joint.

In order to improve return spring's life, the utility model discloses the improvement has, be provided with the nylon bush on the connecting axle, the nylon bush sets up between connecting axle and return spring.

In order to realize better fixing, the utility model discloses the improvement has, the second bolt sets up to two and sets up respectively on the pedal arm.

In order to realize better return, the utility model discloses the improvement has, the guide block cooperatees with the motion guide rail, and the guide block slides according to the motion guide rail.

In order to improve the service life of the return spring, the utility model discloses the improvement has, the return spring adopts the high carbon steel material.

(III) advantageous effects

Compared with the prior art, the utility model provides an automobile brake pedal assembly possesses following beneficial effect:

this automobile brake pedal assembly, when using, the footboard carries out the automobile brake through the footboard arm, when trampling the footboard, the inside return spring who sets up of support carries out the return with the footboard arm through the pulling force, the nylon bush that sets up on the connecting axle, the nylon bush sets up between connecting axle and return spring, the nylon bush can effectually avoid return spring to rub and avoid the noise that the friction made the production, improve its life, when the footboard arm return, the motion guide rail that the support side set up mutually supports with the guide block, and can carry out the return with the footboard arm fast effectually through booster and push rod, the connecting plate that sets up on the push rod, first bolt and the second bolt that set up on the connecting plate are swing joint, can carry out a supporting role to it when the footboard arm moves about like this, make the footboard arm make the activity more stable, and mutually supporting can avoid appearing the footboard that the return force is not enough or the return can appear between booster and guide block and the motion guide rail The problem of excessive force occurs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic side view of the present invention shown in FIG. 1;

in the figure: 1. a support; 2. a pedal arm; 3. a pedal; 4. a sleeve; 5. a fixed point; 6. a return spring; 7. a connecting shaft; 8. a nylon bushing; 9. a guide block; 10. a moving guide rail; 11. a connecting plate; 12. a booster; 13. a push rod; 14. a first bolt; 15. and a second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automobile brake pedal 3 assembly comprises a support 1, a pedal arm 2, a return spring 6, a connecting shaft 7, a connecting plate 11 and a booster 12, wherein the pedal arm 2 is arranged on the support 1, a pedal 3 is arranged at one end of the pedal arm 2, the other end of the pedal arm 2 is arranged on a sleeve 4, the return spring 6 is arranged at one side of the pedal arm 2, the return spring 6 is movably sleeved on the connecting shaft 7, a nylon bush 8 is arranged on the connecting shaft 7, the nylon bush 8 is arranged between the connecting shaft 7 and the return spring 6, one end of the return spring 6 is arranged on a fixed point 5, the other end of the return spring is arranged on the pedal arm 2, the connecting shaft 7 is fixed at the middle position of the support 1, a movement guide rail 10 is arranged on the side surface of the support 1, a guide block 9 is arranged at the top end of the pedal arm 2, and the guide block 9 is arranged on the movement guide rail 10, guide block 9 cooperatees with motion guide rail 10, and guide block 9 slides according to motion guide rail 10, be provided with push rod 13 on the support 1, push rod 13 links to each other with booster 12 that the support 1 outside set up, push rod 13 one end sets up on booster 12, and the other end is provided with connecting plate 11, be provided with first bolt 14 and second bolt 15 on the connecting plate 11, first bolt 14 links to each other with the connecting rod, and second bolt 15 links to each other with pedal arm 2, first bolt 14 and second bolt 15 and push rod 13 and pedal arm 2 swing joint.

In summary, the working principle and the working process of the automobile brake pedal 3 assembly are that when in use, firstly, the pedal arm 2 is arranged on the bracket 1, one end of the pedal arm 2 is provided with the pedal 3, the other end of the pedal arm 2 is arranged on the sleeve 4, one side of the pedal arm 2 is provided with the return spring 6, the return spring 6 is sleeved on the connecting shaft 7, one end of the return spring 6 is arranged on the pedal arm 2, the other end of the return spring is arranged on the fixed point 5, when in use, the pedal 3 is stepped to brake an automobile, then the pedal arm 2 returns through the return spring 6, the nylon bush 8 is arranged between the return spring 6 and the connecting shaft 7, the nylon bush 8 can effectively prevent the return spring 6 from being worn, noise generated by the spring during friction can be avoided, the use comfort during braking is improved, when the return spring 6 returns the pedal arm 2, motion guide rail 10 and guide block 9 that 1 outside of support set up mutually support, promote push rod 13 through booster 12, booster 12 adopts vacuum booster, booster 12 rebounds push rod 13 through vacuum pneumatics, can be quick carry out return processing with pedal arm 2, connecting plate 11 that sets up on the push rod 13, first bolt 14 and second bolt 15 that set up on connecting plate 11 are swing joint, can carry out a supporting role to it when pedal arm 2 moves about like this, make pedal arm 2 make more stable in the activity, and booster 12 and guide block 9 and motion guide rail 10 mutually support and can avoid appearing footboard 3 and appear the not enough or the too big scheduling problem of return force appearance of return force, the effectual security that improves the vehicle-hour.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an automobile brake pedal assembly which characterized in that: comprises a support (1), a pedal arm (2), a return spring (6), a connecting shaft (7), a connecting plate (11) and a booster (12), wherein the pedal arm (2) is arranged on the support (1), a pedal (3) is arranged at one end of the pedal arm (2), the other end of the pedal arm (2) is arranged on a sleeve (4), the return spring (6) is arranged on one side of the pedal arm (2), the return spring (6) is movably sleeved on the connecting shaft (7), one end of the return spring (6) is arranged on a fixed point (5), the other end of the return spring is arranged on the pedal arm (2), the connecting shaft (7) is fixed at the middle position of the support (1), a motion guide rail (10) is arranged on the side surface of the support (1), a guide block (9) is arranged at the top end of the pedal arm (2), the guide block (9) is arranged on the motion guide rail (10), a push rod (13) is arranged on the support (1), push rod (13) link to each other with booster (12) that support (1) outside set up, push rod (13) one end sets up on booster (12), and the other end is provided with connecting plate (11), be provided with first bolt (14) and second bolt (15) on connecting plate (11), first bolt (14) link to each other with the connecting rod, and second bolt (15) link to each other with footboard arm (2).

2. The brake pedal assembly of claim 1, wherein: the first bolt (14) and the second bolt (15) are movably connected with the push rod (13) and the pedal arm (2).

3. The brake pedal assembly of claim 1, wherein: the connecting shaft (7) is provided with a nylon bushing (8), and the nylon bushing (8) is arranged between the connecting shaft (7) and the return spring (6).

4. The brake pedal assembly of claim 1, wherein: the two second bolts (15) are respectively arranged on the pedal arm (2).

5. The brake pedal assembly of claim 1, wherein: the guide block (9) is matched with the moving guide rail (10), and the guide block (9) slides according to the moving guide rail (10).

6. The brake pedal assembly of claim 1, wherein: the return spring (6) is made of high-carbon steel.

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