CN114750734A - Pedal simulator with adjustable pedal force - Google Patents
Pedal simulator with adjustable pedal force Download PDFInfo
- Publication number
- CN114750734A CN114750734A CN202210376022.2A CN202210376022A CN114750734A CN 114750734 A CN114750734 A CN 114750734A CN 202210376022 A CN202210376022 A CN 202210376022A CN 114750734 A CN114750734 A CN 114750734A
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- China
- Prior art keywords
- piston
- spring
- boss
- guide rod
- casing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/409—Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device
Abstract
The invention discloses a pedal simulator with adjustable pedal force, which comprises a shell, wherein one end of the shell is of an open structure, one end of the shell is provided with a dust cover for sealing, a simulation assembly is arranged in the shell, the simulation assembly comprises a piston, a spring holder, a sealing cover, a small spring arranged between the piston and the spring holder, and a large spring and a rubber block arranged between the spring holder and the sealing cover, the large spring is sleeved on the outer side of the rubber block, one end of the shell is provided with a liquid inlet for liquid to flow in, the side surface of the shell is provided with a liquid outlet for liquid to be discharged, the middle of the shell is transversely provided with a cylindrical guide rod penetrating through the simulation assembly, and the left end of the cylindrical guide rod is connected with a nut. The pre-tightening force of the large spring is adjusted through the nut, the rigidity of different brake system rigidity stages is simulated, different crowds and vehicles can be matched, and the application range is greatly expanded.
Description
Technical Field
The invention relates to the technical field of pedal simulators, in particular to a pedal simulator with adjustable pedal force.
Background
The traditional vacuum booster cannot meet the braking requirement of a new energy automobile, and under the market requirement, a working mode of decoupling the braking action and the braking execution appears on the new energy automobile, wherein the braking action is the action of stepping a brake pedal by a driver, and the braking execution is the action of acting a friction plate and a brake disc or a brake drum. In the action component force process, the brake of the driver does not directly act on the brake, but collects brake signals through a position sensor, the intention of the driver is recognized, and long-term and stable pedal touch feedback is provided for the driver through a pedal simulator. The existing simulator can not simulate the brake pedal feeling in stages so as to meet the brake feeling requirements of different drivers on the pedal.
Disclosure of Invention
The present invention is directed to a pedal simulator with adjustable pedal force to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a footboard simulator with adjustable footboard power, includes the casing, the one end of casing is open structure, the one end of casing is provided with the shield that plays sealed effect, the inside simulation subassembly that is provided with of casing, the simulation subassembly includes along piston, spring holder, closing cap that the casing axial set gradually, set up the little spring between piston and spring holder and set up big spring and the block rubber between spring holder and closing cap, big spring housing is established in the block rubber outside, casing one end is equipped with the inlet that is used for the liquid inflow, the side of casing is offered and is used for liquid exhaust liquid outlet, the casing middle part transversely is provided with the cylinder guide arm that runs through the simulation subassembly, the left end of cylinder guide arm is connected with the nut.
Preferably, a rubber gasket is arranged between the shell and the piston.
Preferably, the piston is provided with a groove at the rear part, a conical boss is arranged in the groove, and the small diameter of the front end of the conical boss is smaller than the large diameter of the rear end of the conical boss.
Preferably, a first boss and a second boss are respectively arranged at two ends of the spring retainer, a second groove is formed in the first boss, a third groove is formed in the second boss, and a third boss is arranged in the third groove.
Preferably, one end of the rubber block is provided with a plurality of cylinders.
Preferably, the boss is provided with a mounting hole for mounting the rubber block, and two ends of the large spring are respectively sleeved on the sealing cover and the boss II.
Preferably, the cylindrical guide rod is a stepped shaft, the diameter of the left end of the cylindrical guide rod is smaller than that of the right end of the cylindrical guide rod, the right end of the cylindrical guide rod is connected to the inner wall of the shell through threads, and the pretightening force of the large spring is adjusted through the nut.
Preferably, an indication arrow is arranged on one side end face of the nut, a dial is arranged on the sealing cover, and the rotation position of the adjusting nut is indicated through the combination of the arrow and an indication disc.
Preferably, a first sealing groove is formed in the circumferential surface of the piston, a first piston sealing ring is arranged in the first sealing groove, a second sealing groove is formed in the piston, and a second piston sealing ring is arranged in the second sealing groove and used for sealing the piston and the outer wall of the cylindrical guide rod.
Preferably, the piston, the boss III, the rubber block and the middle part of the sealing cover are provided with through grooves matched with the cylindrical guide rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when brake fluid enters a cavity formed between a shell and a piston through a fluid inlet, the piston moves backwards, and simultaneously a large spring and a small spring start to be compressed under stress, the phase is a phase of simulating the elastic deformation of a brake system in a rapid pressurization phase; the pedal feeling of a traditional brake system can be simulated through three-stage fitting to meet the requirements of different drivers on the pedal feeling, and the three stages can perfectly fit with the pedal feeling of a traditional brake lever.
2. The invention can adjust the pretightening force of the large spring through the nut, and simulate the rigidity of different braking system rigidity stages. Therefore, the pedal simulator can be matched with different crowds and vehicles, and the application range is greatly widened; an indicating arrow is arranged on one side end face of the nut, a dial is arranged on the sealing cover, and the rotating position of the adjusting nut is indicated through the combination of the arrow and the indicating disc.
Drawings
FIG. 1 is a sectional view showing the overall structure of a pedal simulator with adjustable pedal effort according to the present invention;
FIG. 2 is a sectional view of the piston structure of the present invention;
FIG. 3 is a sectional view showing the structure of a spring retainer according to the present invention;
FIG. 4 is a cross-sectional view of the closure structure of the present invention;
FIG. 5 is a schematic view of the structure of a rubber block of the present invention;
FIG. 6 is a schematic view of the dial structure of the present invention;
FIG. 7 is a schematic diagram of the first stage operation of the present invention;
FIG. 8 is a schematic view of the second stage of the present invention;
fig. 9 is a schematic diagram illustrating the third stage of the present invention.
In the figure: the device comprises a shell 1, a dust cover 2, a simulation assembly 3, a piston 301, a spring retainer 302, a sealing cover 303, a small spring 304, a large spring 305, a rubber block 306, a groove 3011, a conical boss 3012, a groove II 3021, a groove III 3022, a boss III 3023, a cylindrical guide rod 4 and a nut 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 and 5, the present invention provides a technical solution: including casing 1, the one end of casing 1 is open structure, shield 2 that plays sealed effect is installed to the one end of casing 1, install piston 301 along the axial of casing 1 in proper order in the casing 1, spring holder 302, closing cap 303, install little spring 304 between piston 301 and spring holder 302 and install big spring 305 and the block rubber 306 between spring holder 302 and closing cap 303, big spring 305 cover is established in the block rubber 306 outside, be equipped with the mounting hole with installation block rubber 306 on the closing cap 303, there is the rubber packing between casing 1 and the piston 301, a plurality of cylinders are installed to the one end of block rubber 306.
One end of the shell 1 is provided with a liquid inlet for liquid to flow in, a liquid outlet for liquid to be discharged is formed in the side face of the shell 1, a cylindrical guide rod 4 transversely penetrates through the middle of the shell 1, and the left end of the cylindrical guide rod 4 is connected with a nut 5.
The cylindrical guide rod 4 is a stepped shaft, the diameter of the left end of the cylindrical guide rod 4 is smaller than that of the right end of the cylindrical guide rod, the right end of the cylindrical guide rod 4 is connected to the inner wall of the shell 1 through threads, and the pre-tightening force of the large spring 305 is adjusted through the nut 5.
Referring to fig. 1-2, the piston 301 has a groove 3011 at the rear portion, a tapered boss 3012 is disposed in the groove 3011, and the small diameter of the tapered boss 3012 is smaller than the large diameter of the rear end. A first sealing groove 3013 is formed in the circumferential surface of the piston 301, a first piston sealing ring is mounted in the first sealing groove 3013, a second sealing groove is formed in the piston 301, and a second piston sealing ring is mounted in the second sealing groove and used for sealing the piston 301 and the outer wall of the cylindrical guide rod 4.
Referring to fig. 1 and fig. 3, a first boss and a second boss are respectively disposed at two ends of the spring holder 302, a second groove 3021 is disposed in the first boss, a third groove 3022 is disposed in the second boss, a third boss 3023 is disposed in the third groove 3022, and two ends of the large spring 305 are respectively sleeved on the cover 303 and the second boss.
An indicating arrow is attached to one end surface of the nut 5, and a dial is provided on the cover 303, and the position of rotation of the adjusting nut 5 is indicated by the combination of the arrow and the indicating dial.
Referring to fig. 1-6, the piston 301, the boss 3023, the rubber block 306, and the sealing cover 303 are all provided with through grooves matching with the cylindrical guide rod 4.
The working principle is as follows: in the simulation working process, the simulation is divided into three stages, wherein in the first stage, when brake fluid enters a cavity formed between the shell 1 and the piston 301 through a liquid inlet, the piston 301 moves backwards, meanwhile, the large spring 305 and the small spring 304 are stressed to start to compress, the displacement of the plug position 301 is s1, and the stage is a rapid pressurization stage to simulate the elastic deformation stage of the brake system; in the second stage, when the piston 301 is in contact with the spring retainer 302, the small spring 304 stops compressing, the large spring 305 starts to be compressed alone, and the displacement of the piston 302 is s2, so that the rigidity increasing stage of the elastic system of the brake system is simulated; in the third stage, the liquid pressure in the chamber is further increased, and when the third boss 3023 of the spring holder 302 contacts the rubber block 306, the rubber block 306 is compressed, and the displacement of the piston 302 is s3, which simulates the rigid deformation stage. In the simulation process of the three stages, due to the influence of friction, the rigidity change of the large spring 305 and the small spring 304 can cause the pedal simulation curve to change, the pretightening force of the large spring 305 can be adjusted through the nut 5, and the rigidity of different rigid stages of the braking system can be simulated. Therefore, the pedal simulator can be matched with different crowds and vehicles, and the application range is greatly widened.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Claims (10)
1. The utility model provides a footboard simulator with adjustable footboard power, includes casing (1), the one end of casing (1) is open structure, the one end of casing (1) is provided with shield (2) that play sealed effect, its characterized in that: casing (1) inside simulation subassembly (3) that is provided with, simulation subassembly (3) include along casing (1) axial piston (301), spring holder (302), closing cap (303), set up little spring (304) between piston (301) and spring holder (302) and set up big spring (305) and rubber block (306) between spring holder (302) and closing cap (303), rubber block (306) outside is established in big spring (305) cover, casing (1) one end is equipped with the inlet that is used for the brake fluid to flow in, the liquid outlet that is used for brake fluid exhaust is seted up to the side of casing (1), casing (1) middle part transversely is provided with cylinder guide rod (4) that runs through simulation subassembly (3), the left end of cylinder guide rod (4) is connected with nut (5).
2. The pedal force adjustable pedal simulator of claim 1, wherein: a rubber gasket is arranged between the shell (1) and the piston (301).
3. The pedal force adjustable pedal simulator of claim 1, wherein: the piston (301) is provided with a groove (3011) at the rear part, a conical boss (3012) is arranged in the groove (3011), and the small diameter of the front end of the conical boss (3012) is smaller than the large diameter of the rear end.
4. The pedal force adjustable pedal simulator of claim 1, wherein: the spring retainer is characterized in that a first boss and a second boss are arranged at two ends of the spring retainer (302) respectively, a second groove (3021) is formed in the first boss, a third groove (3022) is formed in the second boss, and a third boss (3023) is formed in the third groove (3022).
5. The pedal force adjustable pedal simulator of claim 1, wherein: one end of the rubber block (306) is provided with a plurality of cylinders.
6. The pedal force adjustable pedal simulator of claim 1, wherein: one side of the sealing cover (303) is provided with a mounting hole for mounting a rubber block (306), and two ends of the large spring (305) are respectively sleeved on the sealing cover (303) and the second boss.
7. The pedal force adjustable pedal simulator of claim 1, wherein: the cylindrical guide rod (4) is a stepped shaft, the diameter of the left end of the cylindrical guide rod (4) is smaller than that of the right end of the cylindrical guide rod, the right end of the cylindrical guide rod (4) is connected to the inner wall of the shell (1) through threads, and the pretightening force of the large spring (305) is adjusted through the nut (5).
8. The pedal force adjustable pedal simulator of claim 1, wherein: an indicating arrow is arranged on one side end face of the nut (5), a dial is arranged on the sealing cover (303), and the rotating position of the adjusting nut (5) is indicated through the combination of the arrow and the indicating disc.
9. The pedal force adjustable pedal simulator of claim 1, wherein: first sealed slot (3013) have been seted up to the circumferential surface of piston (301), first sealed slot (3013) inside is provided with first piston sealing washer, the inside of piston (301) is equipped with the sealed slot of second, the sealed slot inside of second is provided with second piston sealing washer for piston (301) is sealed with the outer wall of cylinder guide arm (4).
10. The pedal force adjustable pedal simulator of claim 4, wherein: and the middle parts of the piston (301), the boss III (3023), the rubber block (306) and the sealing cover (303) are provided with through grooves matched with the cylindrical guide rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376022.2A CN114750734A (en) | 2022-04-11 | 2022-04-11 | Pedal simulator with adjustable pedal force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376022.2A CN114750734A (en) | 2022-04-11 | 2022-04-11 | Pedal simulator with adjustable pedal force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114750734A true CN114750734A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210376022.2A Pending CN114750734A (en) | 2022-04-11 | 2022-04-11 | Pedal simulator with adjustable pedal force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114750734A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208960Y (en) * | 2008-03-31 | 2009-03-18 | 浙江亚太机电股份有限公司 | Excuting machanism for vehicle electrohydraulic line controlled braking system |
| CN203766733U (en) * | 2014-01-28 | 2014-08-13 | 同济大学 | Pedal feeling simulator with combined type springs |
| DE102015204702A1 (en) * | 2015-03-16 | 2016-09-22 | Schaeffler Technologies AG & Co. KG | Device for force simulation on an actuating element of a vehicle, in particular in the manner of a pedal force simulator |
| CN107323441A (en) * | 2017-07-12 | 2017-11-07 | 浙江亚太机电股份有限公司 | A kind of electric vehicle brake pedal simulator |
| CN207523678U (en) * | 2017-12-11 | 2018-06-22 | 浙江力邦合信智能制动系统股份有限公司 | A kind of pedal simulator for being used to decouple braking system |
| CN109177946A (en) * | 2018-11-02 | 2019-01-11 | 吉林大学 | A kind of full decoupled formula integrated electronic brake fluid system of reactionless disk |
| CN211642145U (en) * | 2019-11-13 | 2020-10-09 | 浙江亚太机电股份有限公司 | Automobile brake system pedal simulator |
| CN113335247A (en) * | 2021-04-16 | 2021-09-03 | 京西重工（上海）有限公司 | Pedal feel simulator assembly and brake system |
-
2022
- 2022-04-11 CN CN202210376022.2A patent/CN114750734A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208960Y (en) * | 2008-03-31 | 2009-03-18 | 浙江亚太机电股份有限公司 | Excuting machanism for vehicle electrohydraulic line controlled braking system |
| CN203766733U (en) * | 2014-01-28 | 2014-08-13 | 同济大学 | Pedal feeling simulator with combined type springs |
| DE102015204702A1 (en) * | 2015-03-16 | 2016-09-22 | Schaeffler Technologies AG & Co. KG | Device for force simulation on an actuating element of a vehicle, in particular in the manner of a pedal force simulator |
| CN107323441A (en) * | 2017-07-12 | 2017-11-07 | 浙江亚太机电股份有限公司 | A kind of electric vehicle brake pedal simulator |
| CN207523678U (en) * | 2017-12-11 | 2018-06-22 | 浙江力邦合信智能制动系统股份有限公司 | A kind of pedal simulator for being used to decouple braking system |
| CN109177946A (en) * | 2018-11-02 | 2019-01-11 | 吉林大学 | A kind of full decoupled formula integrated electronic brake fluid system of reactionless disk |
| CN211642145U (en) * | 2019-11-13 | 2020-10-09 | 浙江亚太机电股份有限公司 | Automobile brake system pedal simulator |
| CN113335247A (en) * | 2021-04-16 | 2021-09-03 | 京西重工（上海）有限公司 | Pedal feel simulator assembly and brake system |
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Application publication date: 20220715 |