CN220199268U - Linear control braking system with limiting gasket - Google Patents
Linear control braking system with limiting gasket Download PDFInfo
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- CN220199268U CN220199268U CN202321501629.5U CN202321501629U CN220199268U CN 220199268 U CN220199268 U CN 220199268U CN 202321501629 U CN202321501629 U CN 202321501629U CN 220199268 U CN220199268 U CN 220199268U
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- return spring
- limit
- brake
- gasket
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000011056 performance test Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The application belongs to the technical field of automobiles, and particularly relates to a linear control braking system with a limiting gasket, wherein the linear control braking system comprises the limiting gasket, a return spring and an actuator shell; the inside of the actuator shell is provided with a mounting hole, the return spring is mounted in the mounting hole of the actuator shell, and the limit gasket is fixed on the inner wall of the actuator shell and is abutted with one end of the return spring; the installation that this application only needs to stretch into spacing washer and return spring in proper order with the brake master cylinder can accomplish the brake master cylinder, when the brake master cylinder needs to dismantle the maintenance, need not to install return spring again with the help of return spring's frock that compresses tightly, more need not to dismantle the whole frock assembly of putting into of linear control actuator assembly, easy and simple to handle dismouting, labour saving and time saving, the dismouting inconvenience when solving the maintenance and dismantling the environment simultaneously, to the performance test of linear control actuator assembly time, need not to install the brake master cylinder alright accomplish the test.
Description
Technical Field
The utility model belongs to the technical field of automobiles, and particularly relates to a brake-by-wire system with a limit gasket.
Background
In recent years, due to the defects of complex gas-liquid pipeline, slow dynamic response of braking, low braking comfort and the like of the traditional hydraulic or pneumatic braking system, the drive-by-wire braking system gradually replaces the driven hydraulic or pneumatic braking system, and the drive-by-wire braking system has the advantages of simple structure, fast dynamic response of braking and good braking comfort.
The brake-by-wire system comprises an actuator shell, a brake master cylinder, a return spring and a rack, wherein a through hole is formed in the actuator shell, the return spring and the rack are located in the through hole, the brake master cylinder is connected to one end of the actuator shell, one end of the return spring is abutted to the rack, and the other end of the return spring is abutted to the brake master cylinder. Meanwhile, in order to ensure the reliability and stability of the brake-by-wire actuator assembly, performance testing of the brake-by-wire actuator assembly is required.
The prior art brake-by-wire system has the following problems: 1. when the return spring is installed, one end of the return spring is required to be placed in the actuator shell to be abutted against the rack, then the ejector rod of the brake master cylinder is extended from the other end of the return spring to be abutted against the rack, pressure is applied to the brake master cylinder by means of the tool, the return spring is compressed, and then the brake master cylinder is fixedly installed with the actuator shell. When the brake master cylinder needs to be maintained and replaced, the return spring is compressed by means of the tool again to further install the brake master cylinder, the whole brake-by-wire system needs to be detached and replaced, maintenance time is long, operation is complex, when the maintenance environment is bad and no tool is needed, long-time parking waiting is needed, and a plurality of inconveniences are brought after sales; 2. the brake master cylinder is not required to be installed in the performance test of the linear control brake actuator assembly, and because of the installation structure in the prior art, the performance test is required to be carried out after the brake master cylinder is installed on each linear control brake actuator assembly, and when the performance test does not meet the requirement, the parts are required to be corrected and inspected, and the brake master cylinder is required to be disassembled, so that unnecessary working hours are caused. There is therefore a need for a brake-by-wire system that solves the problems of the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the brake-by-wire system with the limiting gasket, and the brake master cylinder can be installed by sequentially extending the brake master cylinder into the limiting gasket and the return spring.
In order to achieve the above purpose, the technical scheme adopted by the utility model provides a wire control braking system with a limiting gasket, wherein the wire control braking system comprises the limiting gasket, a return spring and an actuator shell;
the inside of the actuator shell is provided with a mounting hole, the return spring is mounted in the mounting hole of the actuator shell, and the limiting gasket is fixed on the inner wall of the actuator shell and is abutted with one end of the return spring.
Further, the limit gasket comprises a gasket body, a first flanging and a second flanging;
the gasket body is of an annular cylindrical structure, the side wall of the gasket body is provided with an opening, and an included angle with a preset angle is formed from the edges of the two sides of the opening to the circle center of the gasket body;
the gasket comprises a gasket body, wherein a first flanging which is horizontally and inwards folded is arranged along one side edge of the gasket body, and a second flanging which is horizontally and outwards folded is arranged along the other side edge of the gasket body.
Further, the limit gasket further comprises a notch;
the notch is provided with a plurality of, and a plurality of the notch sets up on the first turn-over edge, and uses the centre of a circle of packing ring main part as central array setups, the opening of notch is towards the centre of a circle.
Further, the width of the notch is matched with the wire diameter of the return spring, and the length of the notch is matched with the compression tool of the return spring, so that the compression tool of the return spring passes through the notch to compress the return spring.
Further, the limit gasket further comprises a tooling hole;
the utility model discloses a gasket, including gasket main part, frock hole is provided with a plurality ofly, a plurality of frock hole sets up on the first turn-ups, and be close to the opening both sides of gasket main part, the frock hole penetrates the nipper pincers, so that the nipper pincers to the opening both sides of gasket main part apply clamping force, make the internal diameter of spacing gasket diminishes.
Further, the first flange extends from one end of the opening of the gasket body to the other end of the opening in the circumferential direction, and the inner diameter of the first flange is smaller than the outer diameter of the return spring;
the second flange extends circumferentially from one end of the opening of the gasket body to the other end of the opening.
Further, the brake-by-wire system further comprises a master cylinder;
the brake master cylinder sequentially extends into the limit gasket and the return spring and is fixedly installed with the actuator shell;
and a circle of external threads are arranged on the outer wall of the brake master cylinder in a surrounding manner.
Further, one end of the mounting hole of the actuator shell is provided with an internal thread extending inwards from the edge of the mounting hole;
and the internal threads of the mounting hole of the actuator shell are matched with the external threads of the brake master cylinder.
Further, an annular limiting groove is formed in the inner wall of the mounting hole of the actuator shell and located on one side of the internal thread of the actuator shell.
Further, the second flanging is fixedly installed in the annular limiting groove of the actuator shell, and the outer diameter of the second flanging is matched with the inner diameter of the annular limiting groove of the actuator shell.
The beneficial effects of the utility model are as follows:
the first and the second brake-by-wire systems comprise a limit gasket, a return spring and an actuator shell; the brake master cylinder is installed by sequentially extending the brake master cylinder into the limit gasket and the return spring, when the brake master cylinder is required to be disassembled and maintained, the return spring is not required to be reinstalled by a compression tool of the return spring, and the linear control actuator assembly is not required to be integrally disassembled and put into the tool for assembly, so that the assembly is simple and convenient to disassemble and assemble, time and labor are saved, the inconvenience in disassembly and assembly when the maintenance and disassembly environment is severe is solved, and the test can be completed without installing the brake master cylinder when the performance test of the linear control actuator assembly is performed;
the second limit gasket comprises a gasket body, a first flanging and a second flanging, wherein the gasket body is of an annular cylindrical structure, an opening is formed in the side wall of the gasket body, an included angle with a preset angle is formed from the edges of two sides of the opening to the circle center of the gasket body, the opening angle can be adjusted to change the angle through a conventional tool, the inner diameter of the limit gasket is further reduced, and the second flanging is convenient to fixedly install in an actuator shell;
thirdly, the tooling hole is arranged on the first turnup and is close to the two sides of the opening of the gasket body, the tooling hole is penetrated through the nipper pliers, and the nipper pliers apply clamping force to the two sides of the opening of the gasket body, so that the inner diameter of the limiting gasket can be reduced, and the installation is simple;
fourth, the notch of the utility model is arranged on the first turnup and is arranged by taking the center of the circle of the gasket body as the center array, the width of the notch is matched with the line diameter of the return spring, the length of the notch is matched with the compression tool of the return spring, so that the compression tool of the return spring passes through the notch to compress the return spring, and the compression tool of the return spring is not influenced to compress the return spring while the limit gasket is arranged;
fifth, the whole thickness of the limit gasket is uniform, the thickness is 0.4-0.6 mm, and the limit gasket has good plasticity.
Drawings
FIG. 1 is a cross-sectional view of a brake-by-wire system of the present utility model;
FIG. 2 is an enlarged partial view of the brake-by-wire system of the present utility model without the brake master cylinder installed;
FIG. 3 is an enlarged view of a portion of the brake-by-wire system mounting master cylinder of the present utility model;
fig. 4 is a perspective view of a limit washer according to the present utility model.
Wherein, 1-a brake master cylinder; 2-a limit gasket; 20-a gasket body; 21-a first flanging; 22-notch; 23-a tooling hole; 24-second flanging; 3-a return spring; 4-actuator housing.
Detailed Description
In order to better understand the technical solutions of the present application, the present utility model will be further described in detail below with reference to the drawings and the embodiments.
The terms of upper, lower, left, right, front, rear, and the like in the present application are established based on the positional relationship shown in the drawings. The drawings are different, and the corresponding positional relationship may be changed, so that the scope of protection cannot be understood.
In the present application, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or communicable with each other, directly connected, indirectly connected through an intermediate medium, communicated between two components, or an interaction relationship between two components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
As shown in fig. 1, 2 and 3, the present utility model provides a brake-by-wire system with a limit washer, which includes a master cylinder 1, a limit washer 2, a return spring 3, an actuator housing 4 and a rack.
The actuator shell 4 is provided with a through hole, one end of the inner diameter of the through hole is provided with an annular limiting groove, and the limiting gasket 2 is fixed in the annular limiting groove; the middle region of the through hole has a reducing structure, so that the inner diameter of the through hole is divided into two sizes of inner diameters, the left inner diameter is larger than the right inner diameter, taking the state shown in fig. 1 as an example.
The return spring 3 is installed in the left inner diameter of the through hole of the actuator housing 4, and the rack is installed in the right inner diameter of the through hole of the actuator housing 4; one end of the return spring 3 is abutted with the limit washer 2, and the other end of the return spring 3 is abutted with the rack.
One end of the brake master cylinder 1 is provided with a push rod, and the push rod of the brake master cylinder 1 passes through the limit gasket 2 and stretches into the return spring 3. The inner diameter of the through hole of the actuator shell 4 and the outer side of the annular limiting groove are provided with internal threads, the outer wall of the brake master cylinder 1 is provided with external threads which are matched with the internal threads of the through hole of the actuator shell 4 in a circle, and the external threads of the brake master cylinder 1 are fixedly connected with the internal threads of the actuator shell 4 in a screwing mode.
As shown in fig. 4, the limit washer 2 includes a washer body 20, a first flange 21, a notch 22, a tooling hole 23, and a second flange 24.
The gasket body 20 is of an annular cylindrical structure, the side wall of the gasket body 20 is provided with an opening, an included angle with a preset angle is formed from the edges of the two sides of the opening to the circle center of the gasket body 20, the included angle enables the two sides of the opening of the gasket body 20 to be close under the condition of being stressed, and the limiting gasket 2 is convenient to install in an annular limiting groove of the actuator shell 4.
Preferably, the opening side edges of the gasket body 20 form a predetermined angle of 60 ° -80 ° to the center of the gasket body 20.
A first flange 21 is provided along one side edge of the gasket body 20, which is folded horizontally inward, the first flange 21 extending circumferentially from one end of the opening of the gasket body 20 to the other end of the opening. The inner diameter of the first flange 21 is smaller than the outer diameter of the return spring 3, so that the return spring 3 abuts against the first flange 21.
The first flanging 21 is provided with a plurality of notches 22 which are arranged by taking the circle center of the gasket main body 20 as a central array, the openings of the notches 22 face the circle center, the width of the notches 22 is matched with the line diameter of the return spring 3, and the length of the notches 22 is matched with the compression tool of the return spring 3, so that the compression tool of the return spring 3 passes through the notches 22 to compress the return spring 3.
The number of the notches 22 in this embodiment is three, each notch 22 has a fan-shaped structure, and two sides of the fan-shaped structure have a design angle of 40 ° to 50 °.
A plurality of tooling holes 23 are formed in the first flanging 21 and close to two sides of the opening of the gasket body 20, and the tooling holes 23 are used for allowing the nipper pliers to penetrate and pull the two sides of the opening of the gasket body 20 inwards, so that the inner diameter of the limiting gasket 2 is reduced, and the limiting gasket 2 is arranged in an annular limiting groove of the actuator shell 4.
In this embodiment, two tooling holes 23 are provided and are symmetrically disposed on the first flanges 21 near both sides of the opening of the gasket body 20.
A second turnup 24 which is turned outwards horizontally is arranged along the edge of the other side of the gasket body 20, the second turnup 24 circumferentially extends from one end of the opening of the gasket body 20 to the other end of the opening, and the outer diameter of the second turnup 24 is matched with the inner diameter of the annular limit groove of the actuator shell 4.
Preferably, the whole thickness of the limit gasket 2 is uniform, the thickness is 0.4-0.6 mm, and the limit gasket has good plasticity.
Examples:
the assembly method of the linear control brake system with the limit gasket comprises the following steps:
firstly, placing a return spring 3 into a through hole of an actuator shell 4, enabling one end of the return spring to be in butt joint with a rack, sleeving a notch 22 of a limit washer 2 on a compression tool of the return spring 3, compressing the return spring 3 by the compression tool of the return spring 3 to drive the limit washer 2 to move towards a compression direction, enabling the limit washer 2 to move in place, then operating a nipper pliers to penetrate a tool hole 23 and applying a clamping force to enable an opening of the limit washer 2 to shrink inwards, further enabling the outer diameter of the limit washer 2 to be smaller, correspondingly placing a second flanging 24 into an annular limit groove of the actuator shell 4, and loosening the nipper pliers to enable the limit washer 2 to be rebound clamped into the annular limit groove of the actuator shell 4; finally, the compression tool of the return spring 3 exits the notch 22 of the limit washer 2, and at the moment, the limit washer 2 bears the elastic force of the return spring 3, so that the brake master cylinder 1 sequentially penetrates into the limit washer 2 and the return spring 3 and is in threaded connection with the actuator shell 4, and the assembly of the linear control brake system with the limit washer is completed.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A brake-by-wire system with a limit washer, characterized in that it comprises a limit washer (2), a return spring (3) and an actuator housing (4);
the inside of the actuator shell (4) is provided with a mounting hole, the return spring (3) is mounted in the mounting hole of the actuator shell (4), and the limit gasket (2) is fixed on the inner wall of the actuator shell (4) and is abutted to one end of the return spring (3).
2. The brake-by-wire system with a limit washer according to claim 1, characterized in that the limit washer (2) comprises a washer body (20), a first flange (21) and a second flange (24);
the gasket body (20) is of an annular cylindrical structure, the side wall of the gasket body is provided with an opening, and an included angle with a preset angle is formed from the edges of the two sides of the opening to the circle center of the gasket body (20);
the gasket comprises a gasket body (20), wherein a first flanging (21) which is folded inwards horizontally is arranged along one side edge of the gasket body (20), and a second flanging (24) which is folded outwards horizontally is arranged along the other side edge of the gasket body (20).
3. The brake-by-wire system with limit washer according to claim 2, characterized in that the limit washer (2) further comprises a notch (22);
the plurality of notches (22) are formed, the plurality of notches (22) are formed in the first flanging (21) and are formed in an array by taking the circle center of the gasket main body (20) as the center, and the opening of the notches (22) faces the circle center.
4. A brake-by-wire system with a limit washer according to claim 3, characterized in that the width of the notch (22) is matched to the wire diameter of the return spring (3), the length of the notch (22) is matched to the hold-down tooling of the return spring (3) such that the hold-down tooling of the return spring (3) holds down the return spring (3) through the notch (22).
5. The brake-by-wire system with limit washer according to claim 2, characterized in that the limit washer (2) further comprises a tooling hole (23);
the tool holes (23) are formed in a plurality of holes, the tool holes (23) are formed in the first flanging (21) and close to two sides of the opening of the gasket body (20), and the tool holes (23) penetrate into the nipper pliers so that the nipper pliers apply clamping force to two sides of the opening of the gasket body (20) to enable the inner diameter of the limiting gasket (2) to be smaller.
6. A brake-by-wire system with a limit washer according to claim 2, characterized in that the first flange (21) extends circumferentially from one end of the opening of the washer body (20) to the other end of the opening, the inner diameter of the first flange (21) being smaller than the outer diameter of the return spring (3);
the second flange (24) extends circumferentially from one end of the opening of the gasket body (20) to the other end of the opening.
7. The brake-by-wire system with limit washers according to claim 2, characterized in that it further comprises a brake master cylinder (1);
the brake master cylinder (1) sequentially stretches into the limit gasket (2) and the return spring (3) and is fixedly arranged with the actuator shell (4);
a circle of external threads are arranged on the outer wall of the brake master cylinder (1) in a surrounding mode.
8. The brake-by-wire system with limit washers according to claim 7, characterized in that one end of the mounting hole of the actuator housing (4) is provided with an internal thread extending inwardly from the rim of the mounting hole thereof;
the internal thread of the mounting hole of the actuator shell (4) is matched with the external thread of the brake master cylinder (1).
9. The brake-by-wire system with limit washers according to claim 8, characterized in that an annular limit groove is provided on the inner wall of the mounting hole of the actuator housing (4) on the side of its internal thread.
10. The brake-by-wire system with limit washers according to claim 9, characterized in that the second flange (24) is fixedly mounted in an annular limit groove of the actuator housing (4), the outer diameter of the second flange (24) being matched to the inner diameter of the annular limit groove of the actuator housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501629.5U CN220199268U (en) | 2023-06-13 | 2023-06-13 | Linear control braking system with limiting gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501629.5U CN220199268U (en) | 2023-06-13 | 2023-06-13 | Linear control braking system with limiting gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220199268U true CN220199268U (en) | 2023-12-19 |
Family
ID=89138386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321501629.5U Active CN220199268U (en) | 2023-06-13 | 2023-06-13 | Linear control braking system with limiting gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220199268U (en) |
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2023
- 2023-06-13 CN CN202321501629.5U patent/CN220199268U/en active Active
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