CN203460854U - Ratio-variable pedal feel simulator - Google Patents
Ratio-variable pedal feel simulator Download PDFInfo
- Publication number
- CN203460854U CN203460854U CN201320440344.5U CN201320440344U CN203460854U CN 203460854 U CN203460854 U CN 203460854U CN 201320440344 U CN201320440344 U CN 201320440344U CN 203460854 U CN203460854 U CN 203460854U
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- piston
- block
- connecting bore
- spring
- variable ratio
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Abstract
The utility model discloses a ratio-variable pedal feel simulator which aims at solving the problem that the existing pedal feel simulator is complex in structure and manufacture and inconvenient to install. The ratio-variable pedal feel simulator comprises a cylinder body, wherein a piston connection hole is formed in the cylinder body, a supporting block connection hole is formed in the bottom of the piston connection hole, a T-shaped piston is arranged in the piston connection hole, a first sealing ring is sleeved on the piston and positioned between the piston outer wall and the piston connection hole, a push rod is connected to the upper end of the piston, a piston spring is sleeved on the small-diameter part of the piston, the lower end of the piston spring is supported at the bottom of the piston connection hole, the lower end of the piston is provided with a connection column, and the lower end of the connection column is provided with a supporting hole. A pear-shaped rubber body and an inverted T-shaped supporting block are arranged in the supporting block connection hole, the supporting block is supported on the pear-shaped rubber body, a supporting block spring is sleeved on the small-diameter part of the inverted T-shaped supporting block and positioned in the supporting hole, and the lower end of the supporting block is arranged in the supporting block connection hole.
Description
Technical field
The utility model relates to a kind of simulator for feeling automobile brake pedal, and more particularly, it relates to a kind of pedal sense simulator of variable ratio.
Background technology
In line control brake system, pressure of wheel cylinder is produced by electric-control system, brake wheel cylinder and brake wheel cylinder isolation, and pedal sense simulator is the important component part of line control brake system, is used for providing pedal sense to chaufeur.Existing design adopts on single or multiple nonlinear springs, inflated with nitrogen bellows or pedal the modes such as mounting torque mechanism to realize the nonlinear relationship of treadle effort between pedal stroke, but the pedal sense simulator complex structure of these modes, make loaded down with trivial details, the problems such as inconvenience are installed.
Chinese patent notification number CN202130438U, discloses a kind of simulator for feeling automobile brake pedal, comprises oil storage cup, master brake cylinder, brake pedal, pedal stroke sensor, piston return spring, two-position three way magnetic valve and simulator valve piece; Piston return spring is installed in the rodless cavity of master brake cylinder, and the rodless cavity of master brake cylinder is communicated with oil storage cup and two-position three way magnetic valve input end respectively; Brake pedal is connected with pedal stroke sensor with the push rod of brake master cylinder piston respectively, and two mouths of two-position three way magnetic valve are connected with simulator valve piece with hydraulic control unit HCU respectively.The pedal sense simulator of this structure can accurately obtain chaufeur braking intention feedback driver pedal sensation in time, but pedal sense simulator complex structure, make loaded down with trivial details, the problems such as inconvenience are installed.
Utility model content
The utility model overcome existing pedal sense simulator complex structure, it is loaded down with trivial details to make, inconvenient deficiency is installed, and a kind of variable ratio pedal sense simulator is provided, and it simple in structure made and easy for installation.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of variable ratio pedal sense simulator, comprise cylinder body, cylinder body is provided with piston connecting bore, piston connecting bore bottom is provided with back-up block connecting bore, piston connecting bore and back-up block connecting bore are communicated with and are step cavernous structure, in piston connecting bore, be provided with T shape piston, on piston, be socketed with the first seal ring, the first seal ring is arranged between piston outer wall and piston connecting bore inwall, piston upper end is connected with push rod, the path of piston is partly socketed with piston spring, at the bottom of the lower end of piston spring is supported on the hole of piston connecting bore, piston lower end is provided with joint pin, joint pin lower end is provided with supported hole, in back-up block connecting bore, be provided with the back-up block of pyriform rubber bodies and inverted T-shaped, back-up block is supported in pyriform rubber bodies, the path of the back-up block of inverted T-shaped is partly socketed with back-up block spring, and back-up block spring is arranged in supported hole, and back-up block lower end is arranged in back-up block connecting bore.
The upper end that back-up block is arranged on pyriform rubber bodies is used for limiting its deformation space, and back-up block spring is used for precompressed back-up block.The first seal ring is arranged on and on piston, is used for separator piston two ends air.Piston spring is socketed in and on piston, is used for return piston, and push rod is used for promoting piston and moves.Piston overcomes piston spring power and moves down under push rod effect, covers after priming stroke, and the upper end plane contact of transverse plane and back-up block large diameter portion under joint pin, piston continues to move down, and pyriform rubber bodies is out of shape by compression, produces non-linear counter-force.And the air of the enclosure space between cylinder body inner carrier and pyriform rubber bodies is compressed, thereby also producing nonlinear counter-force, pressure rise acts on piston, make pedal sense simulator variable ratio.This variable ratio pedal sense simulator is simple in structure, making and easy for installation.
As preferably, piston path part is provided with a circle link slot near the outer wall of joint pin, is connected with the second seal ring in link slot.Gas in enclosure space between initial condition cylinder body inner carrier and pyriform rubber bodies is in connected state, after the second seal ring contacts with back-up block connecting bore, confined space is divided into two parts, produce respectively different deformation pressures, as counter-force, act on piston, non-linear counter-force effect is more obvious.
As preferably, joint pin diameter is less than the aperture of back-up block connecting bore, and the diameter of piston path part is greater than the diameter of joint pin.Back-up block large diameter portion is connected with back-up block connecting bore is adaptive, is laid with some the air channels that arrange vertically on the outer wall of back-up block large diameter portion.Between joint pin outer wall and back-up block connecting bore inwall, be provided with on gap and back-up block outer wall air channel is set, guarantee the air communication in seal cavity.
As preferably, piston connecting bore inwall is provided with a circle position-limited trough near piston upper end position, is connected with the jump ring for limiting piston in position-limited trough, and jump ring is supported on the upper surface of piston.Piston is connected in cylinder body by jump ring is spacing, connects simply, and dismounting is easy to maintenance.
As preferably, piston upper surface is provided with the support slot that is spherical crown shape of indent, and push rod lower end is provided with spherical connector, and connector is connected in support slot.Spherical connector is connected in the support slot of spherical crown shape, makes the movement of push rod more flexible.
Compared with prior art, the beneficial effects of the utility model are: (1) variable ratio pedal sense simulator is simple in structure, making and easy for installation; (2) application of compressed air and compressible pyriform rubber bodies are in conjunction with producing nonlinear treadle effort stroke characteristic, and the result of use of pedal sense simulator is good.
Accompanying drawing explanation
Fig. 1 is the cutaway view of embodiment 1 of the present utility model;
Fig. 2 is the cutaway view of embodiment 2 of the present utility model;
In figure: 1, cylinder body, 2, piston connecting bore, 3, back-up block connecting bore, 4, piston, 5, the first seal ring, 6, push rod, 7, piston spring, 8, joint pin, 9, supported hole, 10, pyriform rubber bodies, 11, back-up block, 12, back-up block spring, 13, link slot, 14, the second seal ring, 15, air channel, 16, position-limited trough, 17, jump ring, 18, support slot, 19, connector.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment 1: a kind of variable ratio pedal sense simulator (referring to accompanying drawing 1), comprise cylinder body 1, the cylindrical structure of cylinder body, cylinder body is provided with piston connecting bore 2, piston connecting bore bottom is provided with back-up block connecting bore 3, cylinder body, piston connecting bore, back-up block connecting bore three coaxially arrange, and piston connecting bore and back-up block connecting bore are communicated with and are step cavernous structure.In piston connecting bore, be provided with T shape piston 4, be socketed with the first seal ring 5, the first seal rings and be arranged in the circular groove on piston outer wall on piston, the first seal ring is arranged between piston outer wall and piston connecting bore inwall.Piston upper end is connected with push rod 6, and piston upper surface is provided with the support slot that is spherical crown shape 18 of indent, and push rod lower end is provided with spherical connector 19, and connector is connected in support slot.The path of piston is partly socketed with piston spring 7, and at the bottom of the lower end of piston spring is supported on the hole of piston connecting bore, the upper end of piston spring is connected on the lower surface of piston large diameter portion.Piston lower end is provided with joint pin 8, and joint pin lower end is provided with supported hole 9, joint pin, supported hole and piston coaxial setting.In back-up block connecting bore, be provided with the back-up block 11 of pyriform rubber bodies 10 and inverted T-shaped, back-up block is supported in pyriform rubber bodies, big top and small bottom and be vertically arranged on back-up block connecting bore bottom in pyriform rubber bodies.The path of the back-up block of inverted T-shaped is partly socketed with back-up block spring 12, and back-up block spring is arranged in supported hole, and back-up block spring lower end is supported on the upper surface of back-up block large diameter portion of inverted T-shaped, at the bottom of back-up block spring upper end is connected to the hole of supported hole.Back-up block lower end is arranged in back-up block connecting bore.Joint pin diameter is less than the aperture of back-up block connecting bore, and the diameter of piston path part is greater than the diameter of joint pin.Back-up block large diameter portion is connected with back-up block connecting bore is adaptive, is laid with some the air channels 15 that arrange vertically on the outer wall of back-up block large diameter portion.Piston connecting bore inwall is provided with a circle position-limited trough 16 near piston upper end position, is connected with the jump ring 17 for limiting piston in position-limited trough, and the upper surface boundary position of piston is provided with a circle breach, and jump ring is supported on the gap position of the upper surface of piston.
The upper end that back-up block is arranged on pyriform rubber bodies is used for limiting its deformation space, and back-up block spring is used for precompressed back-up block.The first seal ring is arranged on and on piston, is used for separator piston two ends air.Piston spring is socketed in and on piston, is used for return piston, and push rod is used for promoting piston and moves.Piston overcomes piston spring power and moves down under push rod effect, covers after priming stroke, and the upper end plane contact of transverse plane and back-up block large diameter portion under joint pin, piston continues to move down, and pyriform rubber bodies is out of shape by compression, produces non-linear counter-force.And the air of the enclosure space between cylinder body inner carrier and pyriform rubber bodies is compressed, thereby also producing nonlinear counter-force, pressure rise acts on piston, make pedal sense simulator variable ratio.This variable ratio pedal sense simulator is simple in structure, making and easy for installation.
Embodiment 2: a kind of variable ratio pedal sense simulator (referring to accompanying drawing 2), its structure is similar to embodiment 1, main difference point is that T shape piston path part is provided with a circle link slot 13 near the outer wall of joint pin, is connected with the second seal ring 14 in link slot.Gas in enclosure space between initial condition cylinder body inner carrier and pyriform rubber bodies is in connected state, after the second seal ring contacts with back-up block connecting bore, confined space is divided into two parts, produce respectively different deformation pressures, as counter-force, act on piston, non-linear counter-force effect is more obvious.Other structure is identical with embodiment 1.
Above-described embodiment is two kinds of schemes preferably of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (6)
1. a variable ratio pedal sense simulator, it is characterized in that, comprise cylinder body (1), cylinder body is provided with piston connecting bore (2), piston connecting bore bottom is provided with back-up block connecting bore (3), piston connecting bore and back-up block connecting bore are communicated with and are step cavernous structure, in piston connecting bore, be provided with T shape piston (4), on piston, be socketed with the first seal ring (5), the first seal ring is arranged between piston outer wall and piston connecting bore inwall, piston upper end is connected with push rod (6), the path of piston is partly socketed with piston spring (7), at the bottom of the lower end of piston spring is supported on the hole of piston connecting bore, piston lower end is provided with joint pin (8), joint pin lower end is provided with supported hole (9), in back-up block connecting bore, be provided with the back-up block (11) of pyriform rubber bodies (10) and inverted T-shaped, back-up block is supported in pyriform rubber bodies, the path of the back-up block of inverted T-shaped is partly socketed with back-up block spring (12), back-up block spring is arranged in supported hole, and back-up block lower end is arranged in back-up block connecting bore.
2. variable ratio pedal sense simulator according to claim 1, is characterized in that, piston path part is provided with a circle link slot (13) near the outer wall of joint pin, is connected with the second seal ring (14) in link slot.
3. variable ratio pedal sense simulator according to claim 1, is characterized in that, joint pin diameter is less than the aperture of back-up block connecting bore, and the diameter of piston path part is greater than the diameter of joint pin.
4. according to the variable ratio pedal sense simulator described in claim 1 or 2 or 3, it is characterized in that, back-up block large diameter portion is connected with back-up block connecting bore is adaptive, is laid with some the air channels (15) that arrange vertically on the outer wall of back-up block large diameter portion.
5. according to the variable ratio pedal sense simulator described in claim 1 or 2 or 3, it is characterized in that, piston connecting bore inwall is provided with a circle position-limited trough (16) near piston upper end position, is connected with the jump ring (17) for limiting piston in position-limited trough, and jump ring is supported on the upper surface of piston.
6. according to the variable ratio pedal sense simulator described in claim 1 or 2 or 3, it is characterized in that, piston upper surface is provided with the support slot that is spherical crown shape (18) of indent, and push rod lower end is provided with spherical connector (19), and connector is connected in support slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440344.5U CN203460854U (en) | 2013-07-22 | 2013-07-22 | Ratio-variable pedal feel simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440344.5U CN203460854U (en) | 2013-07-22 | 2013-07-22 | Ratio-variable pedal feel simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203460854U true CN203460854U (en) | 2014-03-05 |
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ID=50173233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320440344.5U Expired - Fee Related CN203460854U (en) | 2013-07-22 | 2013-07-22 | Ratio-variable pedal feel simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203460854U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472223A (en) * | 2017-08-15 | 2017-12-15 | 宁波拓普智能刹车***有限公司 | A kind of analogue means of adjustable automobiles brake pedal feel |
| CN107848511A (en) * | 2015-08-24 | 2018-03-27 | 舍弗勒技术股份两合公司 | For the device of progress power simulation, especially pedal force simulator on the operating element of vehicle |
| CN109555800A (en) * | 2018-12-27 | 2019-04-02 | 佛山飞羽动力科技有限公司 | A kind of disc brake braking pump |
| CN110027533A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027532A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
| CN110525398A (en) * | 2018-05-24 | 2019-12-03 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
| CN110562226A (en) * | 2019-07-10 | 2019-12-13 | 京西重工（上海）有限公司 | Pedal feel simulator and brake-by-wire system |
| CN111448111A (en) * | 2017-12-06 | 2020-07-24 | 株式会社爱德克斯 | Stroke simulator |
| US20220332295A1 (en) * | 2021-04-16 | 2022-10-20 | Bwi (Shanghai) Co., Ltd. | Pedal feel emulator assembly and a brake system including the pedal feel emulator assembly |
-
2013
- 2013-07-22 CN CN201320440344.5U patent/CN203460854U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848511A (en) * | 2015-08-24 | 2018-03-27 | 舍弗勒技术股份两合公司 | For the device of progress power simulation, especially pedal force simulator on the operating element of vehicle |
| CN107472223A (en) * | 2017-08-15 | 2017-12-15 | 宁波拓普智能刹车***有限公司 | A kind of analogue means of adjustable automobiles brake pedal feel |
| CN111448111B (en) * | 2017-12-06 | 2022-07-29 | 株式会社爱德克斯 | Stroke simulator |
| CN111448111A (en) * | 2017-12-06 | 2020-07-24 | 株式会社爱德克斯 | Stroke simulator |
| CN110027532A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
| CN110027533A (en) * | 2018-01-12 | 2019-07-19 | 比亚迪股份有限公司 | For the pedal sense simulator of vehicle and with its vehicle |
| CN110027533B (en) * | 2018-01-12 | 2022-08-09 | 比亚迪股份有限公司 | Pedal feel simulator for vehicle and vehicle with same |
| CN110027532B (en) * | 2018-01-12 | 2021-10-22 | 比亚迪股份有限公司 | Pedal sense simulator of vehicle and vehicle with same |
| CN110525398A (en) * | 2018-05-24 | 2019-12-03 | 比亚迪股份有限公司 | The pedal sense simulator of vehicle and vehicle with it |
| CN110525398B (en) * | 2018-05-24 | 2022-04-15 | 比亚迪股份有限公司 | Pedal sense simulator of vehicle and vehicle with same |
| CN109555800A (en) * | 2018-12-27 | 2019-04-02 | 佛山飞羽动力科技有限公司 | A kind of disc brake braking pump |
| CN109555800B (en) * | 2018-12-27 | 2020-05-22 | 佛山飞羽动力科技有限公司 | Disc brake pump |
| CN110562226A (en) * | 2019-07-10 | 2019-12-13 | 京西重工（上海）有限公司 | Pedal feel simulator and brake-by-wire system |
| US11124165B2 (en) | 2019-07-10 | 2021-09-21 | Bwi (Shanghai) Co., Ltd. | Pedal free emulator and brake-by-wire system |
| US20220332295A1 (en) * | 2021-04-16 | 2022-10-20 | Bwi (Shanghai) Co., Ltd. | Pedal feel emulator assembly and a brake system including the pedal feel emulator assembly |
| US11661046B2 (en) * | 2021-04-16 | 2023-05-30 | Bwi (Shanghai) Co., Ltd | Pedal feel emulator assembly and a brake system including the pedal feel emulator assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20190722 |