CN220268281U

CN220268281U - Belleville spring assembly

Info

Publication number: CN220268281U
Application number: CN202320309204.8U
Authority: CN
Inventors: 赵建斌; 陈坚毅
Original assignee: Kern Liebers Taicang Co ltd
Current assignee: Kern Liebers Taicang Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-12-29
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a disc spring assembly, which relates to the field of automobile brakes and comprises a shell, wherein a disc spring mechanism is arranged in the shell and comprises a group of first disc springs, a group of second disc springs, a group of third disc springs, two groups of fourth disc springs and a group of fifth disc springs, ten grooves are formed in inner holes of the first disc springs, the second disc springs and the third disc springs, and disc spring stop gaskets with bosses are arranged between the two fourth disc springs of each group of fourth disc springs. According to the utility model, the disc spring mechanism is arranged in the shell, so that the force value-displacement curve of the pedal simulator is fitted, the rigidity difference between adjacent strokes in the force value-displacement curve of the pedal is reduced, the transition is smoother, the feel of the driver's stepping on is reduced, and the braking comfort is improved.

Description

Belleville spring assembly

Technical Field

The utility model relates to the field of automobile brakes, in particular to a disc spring assembly.

Background

The automobile braking system is one of important components of an automobile, and has the main function of applying certain force to wheels so as to forcedly brake the wheels to a certain extent, namely, the automobile is decelerated or stopped according to the requirements of a driver.

The pedal force sensing-displacement curve for the existing automobile brake system is usually realized by combining two to three elastic elements with different rigidities, the force value-displacement curve is usually formed by two to three approximately linear line segments, such as a pedal stroke simulator with a publication number of CN113767041A and a hydraulic block with the pedal stroke simulator, that is, the existing brake pedal force sensing curve is usually divided into two to three sections of strokes, and the rigidity difference between every two adjacent strokes is larger, so that a driver has stronger jerk sense when stepping on the brake pedal, and the driving experience is poor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the disc spring assembly, and the problems in the background art can be effectively solved by arranging the disc spring mechanism in the shell so as to fit the force value-displacement curve of the pedal simulator.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a belleville spring assembly comprises a shell, wherein a belleville spring mechanism is arranged in the shell;

the disc spring mechanism comprises a group of first disc springs, a group of second disc springs, a group of third disc springs, two groups of fourth disc springs and a group of fifth disc springs, and the number of each group is two;

the first disc spring, the second disc spring, the third disc spring, the fourth disc spring and the fifth disc spring are vertically arranged in the shell from top to bottom, and the average rigidities of the first disc spring, the second disc spring, the third disc spring, the fourth disc spring and the fifth disc spring are different.

Further, when the two first belleville springs are arranged, the lower edges of the outer ends of the two first belleville springs are contacted, so that a group of first belleville springs are formed, and the arrangement modes of the second belleville springs, the third belleville springs and the fifth belleville springs are the same as those of the first belleville springs;

ten grooves are formed in inner holes of the first disc spring, the second disc spring and the third disc spring, and the ten grooves are uniformly distributed in the circumferential direction.

Further, a disc spring stop gasket with a boss is arranged between two fourth disc springs of each group of fourth disc springs.

Further, a transmission rod is arranged in the shell, the bottom end of the transmission rod is a plane end, a wear-resistant gasket is arranged at the bottom end of the plane end of the transmission rod, and the bottom end of the wear-resistant gasket is contacted with the top end of the disc spring mechanism, so that abrasion in the use process is reduced;

the top of the shell is provided with a transmission rod stop gasket, the transmission rod stop gasket is in interference fit with the shell, and the top of the transmission rod extends to the top of the transmission rod stop gasket through a hole on the inner side of the transmission rod stop gasket.

(III) beneficial effects

Compared with the prior art, the utility model provides the disc spring assembly, which has the following beneficial effects:

1. through setting up belleville spring mechanism in the casing to this fit pedal simulator force value-displacement curve, the rigidity difference between the adjacent stroke in pedal force value-displacement curve obtains reducing, and the transition is smoother, and then the sense of setback when making the driver trample also obtains reducing, and braking comfort obtains improving.

2. Through setting up first belleville spring, second belleville spring, third belleville spring into ten tooth belleville springs, the force value curve of single belleville spring will be more nearly linear, and the footboard is felt more steadily to, will obtain higher fatigue life, and then make simulator life higher.

Drawings

FIG. 1 is a perspective view of a belleville spring assembly in accordance with the present utility model;

FIG. 2 is a perspective cross-sectional view of a belleville spring assembly in accordance with the present utility model;

FIG. 3 is a perspective view of a first belleville spring of a belleville spring assembly according to the present utility model;

FIG. 4 is a perspective view of a fifth Belleville spring of the Belleville spring assembly of the utility model;

fig. 5 is a diagram of a belleville spring mechanism of a belleville spring assembly in accordance with the present utility model.

In the figure: 1. a housing; 2. a transmission rod; 3. a transmission rod stop pad; 4. wear-resistant gaskets; 5. a belleville spring mechanism; 501. a first belleville spring; 502. a second belleville spring; 503. a third belleville spring; 504. a fourth belleville spring; 505. a fifth belleville spring; 6. a belleville spring stop washer; 7. a groove.

Detailed Description

In order that the manner in which the above-recited features, advantages, objects and advantages of the present utility model are obtained, a more particular description of the utility model briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to overcome the defects in the prior art, as shown in fig. 1-5, the utility model provides a belleville spring assembly, which comprises a shell 1, wherein a belleville spring mechanism 5 is arranged in the shell 1;

the disc spring mechanism 5 comprises a group of first disc springs 501, a group of second disc springs 502, a group of third disc springs 503, two groups of fourth disc springs 504 and a group of fifth disc springs 505, wherein the number of each group is two;

the first disc spring 501, the second disc spring 502, the third disc spring 503, the fourth disc spring 504 and the fifth disc spring 505 are vertically arranged from top to bottom in the casing 1, and the average stiffness of the first disc spring 501, the second disc spring 502, the third disc spring 503, the fourth disc spring 504 and the fifth disc spring 505 is different.

Five disc springs are arranged in the shell 1 from top to bottom, the average rigidities of the five disc springs are different, the pedal force sensing value-displacement curve can be divided into five sections of strokes, the rigidity difference between every two adjacent strokes is lower, the transition is smoother, the jerk feeling when the brake pedal is stepped is lower, and the driving experience is improved.

The outer shapes of the disc springs are different, as shown in fig. 2-5, when the two first disc springs 501 are arranged, the lower edges of the outer ends of the two first disc springs 501 are contacted, so that a group of first disc springs 501 is formed, and the arrangement modes of the second disc springs 502, the third disc springs 503 and the fifth disc springs 505 are the same as those of the first disc springs 501;

ten grooves 7 are formed in the inner holes of the first disc spring 501, the second disc spring 502 and the third disc spring 503, and the ten grooves 7 are uniformly distributed in the circumferential direction.

The first disc spring 501, the second disc spring 502 and the third disc spring 503 which are respectively and most relevant to the front three sections of strokes of the pedal simulator force value-displacement curve adopt slotted disc spring structures, specifically, the three disc springs are respectively provided with 10 grooves 7 in an inner hole and uniformly distributed in the circumferential direction, so that the force value curve of a single disc spring is more linear, the pedal feel is more stable, higher fatigue life is obtained, and the fourth disc spring 504 and the fifth disc spring 505 which are respectively and most relevant to the rear two sections of strokes of the pedal simulator force value-displacement curve adopt conventional disc springs without slots.

In order to play a limiting role, as shown in fig. 2, a belleville spring stop washer 6 with a boss is arranged between two fourth belleville springs 504 of each group of fourth belleville springs 504;

the inside of the shell 1 is provided with a transmission rod 2, the bottom end of the transmission rod 2 is a plane end, the bottom end of the plane end of the transmission rod 2 is provided with a wear-resistant gasket 4, and the bottom end of the wear-resistant gasket 4 is contacted with the top end of the disc spring mechanism 5, so that abrasion in the use process is reduced;

the top of the shell 1 is provided with a transmission rod stop gasket 3, the transmission rod stop gasket 3 is in interference fit with the shell 1, and the top of the transmission rod 2 extends to the top of the transmission rod stop gasket 3 through a hole on the inner side of the transmission rod stop gasket 3.

A disc spring stop gasket 6 with bosses at two ends is arranged between the two fourth disc springs 504, the pedal simulator is loaded with displacement through the transmission rod 2, and a wear-resistant gasket is arranged between the pressing plate 4 and the disc springs 1; the transmission rod stop gasket 3 is in interference fit with the cylindrical shell.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A belleville spring assembly comprising a housing (1), characterized in that: a disc spring mechanism (5) is arranged in the shell (1);

the disc spring mechanism (5) comprises a group of first disc springs (501), a group of second disc springs (502), a group of third disc springs (503), two groups of fourth disc springs (504) and a group of fifth disc springs (505), wherein the number of each group is two;

the first disc springs (501), the second disc springs (502), the third disc springs (503), the fourth disc springs (504) and the fifth disc springs (505) are vertically arranged from top to bottom in the shell (1), and the average rigidities of the first disc springs (501), the second disc springs (502), the third disc springs (503), the fourth disc springs (504) and the fifth disc springs (505) are different.

2. A belleville spring assembly as set forth in claim 1 wherein: when the two first belleville springs (501) are arranged, the lower edges of the outer ends of the two first belleville springs (501) are contacted, so that a group of first belleville springs (501) is formed, and the arrangement modes of the second belleville springs (502), the third belleville springs (503) and the fifth belleville springs (505) are the same as those of the first belleville springs (501);

ten grooves (7) are formed in inner holes of the first disc spring (501), the second disc spring (502) and the third disc spring (503), and the ten grooves (7) are uniformly distributed in the circumferential direction.

3. A belleville spring assembly as set forth in claim 1 wherein: a belleville spring stop gasket (6) with a boss is arranged between two fourth belleville springs (504) of each group of fourth belleville springs (504).

4. A belleville spring assembly as set forth in claim 1 wherein: the novel transmission mechanism is characterized in that a transmission rod (2) is arranged in the shell (1), the bottom end of the transmission rod (2) is a plane end, a wear-resistant gasket (4) is arranged at the bottom end of the plane end of the transmission rod (2), and the bottom end of the wear-resistant gasket (4) is in contact with the top end of the disc spring mechanism (5);

the novel transmission rod is characterized in that a transmission rod stop gasket (3) is arranged at the top end of the shell (1), the transmission rod stop gasket (3) is in interference fit with the shell (1), and the top end of the transmission rod (2) extends to the top of the transmission rod stop gasket (3) through a hole in the inner side of the transmission rod stop gasket (3).