CN218112896U - Electric vehicle disc brake assembly with good brake performance - Google Patents
Electric vehicle disc brake assembly with good brake performance Download PDFInfo
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- CN218112896U CN218112896U CN202222395073.8U CN202222395073U CN218112896U CN 218112896 U CN218112896 U CN 218112896U CN 202222395073 U CN202222395073 U CN 202222395073U CN 218112896 U CN218112896 U CN 218112896U
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Abstract
The utility model relates to an electric motor car dish subassembly of stopping that brake performance is good, including braking brake lever, pump on the brake, calliper and dish, calliper is including first casing and second casing, first hydraulic pressure oil pocket and second hydraulic oil chamber have been seted up in first casing and the second casing respectively, first hydraulic pressure oil pocket all is connected with branch oil pipe with second hydraulic oil chamber, it advances oil pipe to be connected with hydraulic oil on the brake on the pump, hydraulic oil advances oil pipe and passes through three way connection and branch oil pipe and link to each other, be equipped with first piston device and second piston device on first casing and the second casing respectively, be equipped with first friction disc on the first piston device, be equipped with the second friction disc on the second piston device, be equipped with the spring leaf between first friction disc and the second friction disc, the utility model discloses when stopping, the synchronism of assurance first piston device and second piston device that can be fine, when loosening the brake, the spring leaf can promote first friction disc and second friction disc separation fast, has reduced wearing and tearing.
Description
Technical Field
The utility model relates to an electric motor car brake technical field, especially an electric motor car dish subassembly of stopping that brake performance is good.
Background
The working principle of the disc brake system is that a disc which rotates synchronously with a wheel is arranged on the wheel, a caliper is arranged on a front fork of a frame, and the disc is clamped through friction plates on two sides in the caliper so as to achieve the purpose of braking.
The existing part of disc brakes have the phenomena of uneven stress and untimely reset of the friction plates on two sides, for example, the friction plate on one side clamps the disc in advance and the friction plate is reset slowly to cause abnormal sound when the brake is released, for example, the motor vehicle disc brake with the application number of CN202022685728.6 adopts a hydraulic oil inlet pipe to be communicated to one side of a hydraulic oil cavity to drive piston devices on two sides simultaneously, so that when the brake is performed, the piston device on one side far away from the hydraulic oil inlet pipe is easy to cause slightly delayed action compared with the piston device on one side close to the hydraulic oil inlet pipe, so that the brake performance is not high, and in addition, when the brake is released, the piston device is only controlled by hydraulic oil of the hydraulic oil inlet pipe to reset, so that the reset efficiency is not high, namely, the friction plates cannot be quickly separated from the disc after the brake is released, so that redundant abrasion is caused, and the brake performance of the disc brake is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric motor car dish subassembly of stopping that brake performance is good, the piston device operation of its both sides is synchronous, and when loosening the brake, the friction disc resets rapidly, has solved the above-mentioned problem that exists in the use among the prior art.
The technical scheme of the utility model is realized like this: the utility model provides an electric motor car dish subassembly of stopping that brake performance is good, includes that brake lever, brake go up pump, calliper and dish, brake lever installs on the brake pump, calliper assembles on the dish, its characterized in that: calliper is including first casing and second casing, first hydraulic pressure oil pocket has been seted up in the first casing, first casing upside is equipped with the first hydraulic pressure oil pocket that lets in, the second hydraulic pressure oil pocket has been seted up in the second casing, second casing upside is equipped with the second hydraulic pressure oil pocket that lets in the second hydraulic pressure oil pocket, all be connected with branch oil pipe on first hydraulic pressure oil pocket and the second hydraulic pressure oil pocket, be connected with hydraulic oil inlet pipe on the brake on the pump, hydraulic oil inlet pipe passes through three way connection and divides oil pipe to link to each other, first casing is equipped with first piston device on the one side towards the second casing, be equipped with the second piston device corresponding with first piston device on the second casing, be equipped with first friction disc on the first piston device, be equipped with the second friction disc on the second piston device, be equipped with the spring leaf between first friction disc and the second friction disc.
Preferably, the first casing is provided with first oil passages on the left side and the right side of the first hydraulic oil cavity, the second casing is provided with second oil passages on the left side and the right side of the second hydraulic oil cavity, and the first oil passages are communicated with the second oil passages.
Preferably, a guide pillar is fixedly connected between the first shell and the second shell, the first friction plate and the second friction plate are respectively provided with a connecting lug, the connecting lugs are slidably sleeved on the guide pillar, and the upper end of the spring piece is movably sleeved on the guide pillar.
Preferably, the first friction plate and the second friction plate are both provided with a positioning lug on one side which deviates from each other, and the first piston device and the second piston device are both provided with a positioning groove for the positioning lug to be clamped in.
Preferably, the number of the first piston device and the number of the second piston device are two.
Preferably, a sealing ring is arranged between the first shell and the second shell, and the sealing ring is located at a position where the first oil passage is connected with the second oil passage.
Preferably, the dish is provided with a plurality of radiating holes.
To sum up, the beneficial effects of the utility model reside in that:
1. the utility model provides a calliper is including first casing and second casing, first hydraulic pressure oil pocket and second hydraulic pressure oil pocket have been seted up in first casing and the second casing respectively, and hydraulic oil advances oil pipe and communicates to two branch oil pipes through three way connection on, two branch oil pipes let in first hydraulic pressure oil pocket and second hydraulic pressure oil pocket respectively again, when braking, the first piston device of assurance that this structure can be fine and the synchronism of second piston device, first piston device drives first friction disc, second piston device drives the second friction disc and presss from both sides tightly on the dish simultaneously, improved the utility model discloses a brake performance is located the spring leaf between first friction disc and the second friction disc in addition, can promote first friction disc and the quick separation with the dish of second friction disc when loosening the brake, has reduced wearing and tearing.
2. The first hydraulic oil cavity and the second hydraulic oil cavity are communicated through the first oil passage and the second oil passage, so that the synchronization effect of the first piston device and the second piston device can be further improved, and the first piston device and the second piston device are guaranteed to be stressed the same.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a caliper and a disc of the present invention;
FIG. 3 is a schematic perspective view of a caliper according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 viewed from another angle;
FIG. 5 is a front view of the caliper of the present invention;
FIG. 6 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is an exploded view of the caliper of the present invention;
fig. 8 is a schematic structural diagram of the second housing according to the present invention.
In the figure: 1. a brake crank; 2. a brake upper pump; 3. a caliper; 4. a disc; 5. a first housing; 6. a second housing; 7. a first hydraulic oil chamber; 8. a first oil through hole; 9. a second hydraulic oil chamber; 10. a second oil through opening; 11. an oil distributing pipe; 12. a hydraulic oil inlet pipe; 13. a first piston device; 14. a second piston device; 15. a first friction plate; 16. a second friction plate; 17. a spring plate; 18. a first oil passage; 19. a second oil passage; 20. a guide post; 21. connecting lugs; 22. positioning the bump; 23. positioning a groove; 24. a seal ring; 25. and a heat dissipation port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 8 of 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 efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 8, the present invention discloses an electric vehicle disc brake assembly with good brake performance, which comprises a brake lever 1, a brake upper pump 2, a caliper 3 and a disc 4, wherein the brake lever 1 is installed on the brake upper pump 2, the brake lever 1 can push hydraulic oil to control the caliper 3 when braking, wherein the brake lever 1 and the brake upper pump 2 are of the prior art, and therefore no further description is given herein, the caliper 3 is assembled on the disc 4, when assembling with an electric vehicle, the disc 4 is installed on a wheel, the caliper 3 is fixed on a front fork of the frame of the electric vehicle, wherein the caliper 3 comprises a first shell 5 and a second shell 6, a first hydraulic oil chamber 7 is provided in the first shell 5, a first oil passage 8 for passing through the first hydraulic oil chamber 7 is provided on the upper side of the first shell 5, a second hydraulic oil chamber 9 is provided in the second shell 6, a second oil passage 10 for passing through the second hydraulic oil chamber 9 is provided on the upper side of the second shell 6, wherein the second oil passage 8 is connected with a second oil passage 12, a second piston device 12 is provided on the second piston device, and a second piston device 12 is connected with a second piston device 12, and a second piston device 12 is provided on the second piston device, and a second piston device 12, the spring piece 17 urges the first friction plate 15 and the second friction plate 16.
The utility model discloses when braking, hold braking brake lever 1 down, make hydraulic oil enter into first hydraulic pressure oil chamber 7 and second hydraulic pressure oil chamber 9 in step, thereby promote first piston device 13 and second piston device 14 in step, first piston device 13 drives first friction disc 15 with second piston device 14 and compresses tightly on dish 4 with second friction disc 16 is synchronous, brake, and when the brake is loosened to needs, loosen braking brake lever 1, hydraulic oil in first hydraulic pressure oil chamber 7 and the second hydraulic pressure oil chamber 9 withdraws from, spring leaf 17 promotes first friction disc 15 and second friction disc 16 and separates with dish 4 fast, abrasion is reduced.
Additionally, the utility model discloses in, first logical oil duct 18 has all been seted up to first casing 5 on the left and right sides of first hydraulic oil chamber 7, and second logical oil duct 19 has all been seted up to second casing 6 on the left and right sides of second hydraulic oil chamber 9, first logical oil duct 18 communicates with each other with second logical oil duct 19, that is to say that the fluid in first hydraulic oil chamber 7 and the second hydraulic oil chamber 9 is directly linked together by first logical oil duct 18 and second logical oil duct 19 to can further improve the synchronization effect of first piston device 13 and second piston device 14, guarantee that the atress of first piston device 13 is the same with second piston device 14.
The utility model discloses in, fixedly connected with guide pillar 20 between first casing 5 and the second casing 6, and all be equipped with engaging lug 21 on first friction disc 15 and the second friction disc 16, on guide pillar 20 was located to this engaging lug 21 slip cap, in addition, on guide pillar 20 was located to the also movable sleeve in spring leaf 17 upper end, the stable in structure that can improve first friction disc 15, second friction disc 16 and spring leaf 17 through setting up of guide pillar 20.
Furthermore, the first friction plate 15 and the second friction plate 16 are respectively provided with a positioning protrusion 22 on the surfaces thereof facing away from each other, and the first piston device 13 and the second piston device 14 are respectively provided with a positioning groove 23 for the positioning protrusion 22 to be inserted into, which can improve the stability of the first friction plate 15 matching the first piston device 13 and the stability of the second friction plate 16 matching the second piston device 14.
In addition, in order to enable the first piston device 13 and the second piston device 14 to stably drive the first friction plate 15 and the second friction plate 16, so that the first friction plate 15 and the second friction plate 16 are stressed more uniformly, two first piston devices 13 and two second piston devices 14 are provided.
In order to ensure the sealing property between the first oil passage 18 and the second oil passage 19, a sealing ring 24 is provided between the first housing 5 and the second housing 6, and the sealing ring 24 is located at a position where the first oil passage 18 and the second oil passage 19 are connected.
The utility model discloses in, set up a plurality of thermovents 25 on the dish 4, thermovent 25 is used for supplying the quick heat dissipation of dish 4.
The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an electric motor car dish subassembly of stopping that brake performance is good, includes that brake lever, brake go up pump, calliper and dish, brake lever installs on the brake pump, calliper assembles on the dish, its characterized in that: calliper is including first casing and second casing, first hydraulic pressure oil pocket has been seted up in the first casing, first casing upside is equipped with the first hydraulic pressure oil pocket that lets in, the second hydraulic pressure oil pocket has been seted up in the second casing, second casing upside is equipped with the second hydraulic pressure oil pocket that lets in the second hydraulic pressure oil pocket, all be connected with branch oil pipe on first hydraulic pressure oil pocket and the second hydraulic pressure oil pocket, be connected with hydraulic oil inlet pipe on the brake on the pump, hydraulic oil inlet pipe passes through three way connection and divides oil pipe to link to each other, first casing is equipped with first piston device on the one side towards the second casing, be equipped with the second piston device corresponding with first piston device on the second casing, be equipped with first friction disc on the first piston device, be equipped with the second friction disc on the second piston device, be equipped with the spring leaf between first friction disc and the second friction disc.
2. The electric vehicle disc brake assembly with good brake performance as claimed in claim 1, characterized in that: the first shell is provided with first oil through passages on the left side and the right side of the first hydraulic oil cavity, the second shell is provided with second oil through passages on the left side and the right side of the second hydraulic oil cavity, and the first oil through passages are communicated with the second oil through passages.
3. The electric vehicle disc brake assembly with good brake performance as claimed in claim 1, characterized in that: the first friction plate and the second friction plate are respectively provided with a connecting lug, the connecting lugs are slidably sleeved on the guide posts, and the upper ends of the spring pieces are movably sleeved on the guide posts.
4. The electric vehicle disc brake assembly with good brake performance as claimed in claim 1, characterized in that: the first friction plate and the second friction plate are both provided with positioning lugs on the surfaces deviating from each other, and positioning grooves for clamping the positioning lugs are formed in the first piston device and the second piston device.
5. The electric vehicle disc brake assembly with good brake performance as claimed in claim 1, characterized in that: the first piston device and the second piston device are both provided with two.
6. The electric vehicle disc brake assembly with good brake performance as claimed in claim 2, characterized in that: and a sealing ring is arranged between the first shell and the second shell and is positioned at the position where the first oil passage is connected with the second oil passage.
7. The electric vehicle disc brake assembly with good brake performance as claimed in claim 1, characterized in that: the dish is provided with a plurality of radiating holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222395073.8U CN218112896U (en) | 2022-09-08 | 2022-09-08 | Electric vehicle disc brake assembly with good brake performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222395073.8U CN218112896U (en) | 2022-09-08 | 2022-09-08 | Electric vehicle disc brake assembly with good brake performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218112896U true CN218112896U (en) | 2022-12-23 |
Family
ID=84528120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222395073.8U Active CN218112896U (en) | 2022-09-08 | 2022-09-08 | Electric vehicle disc brake assembly with good brake performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218112896U (en) |
-
2022
- 2022-09-08 CN CN202222395073.8U patent/CN218112896U/en active Active
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