CN219777097U - Brake pedal device - Google Patents
Brake pedal device Download PDFInfo
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- CN219777097U CN219777097U CN202321116885.2U CN202321116885U CN219777097U CN 219777097 U CN219777097 U CN 219777097U CN 202321116885 U CN202321116885 U CN 202321116885U CN 219777097 U CN219777097 U CN 219777097U
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- brake pedal
- side wall
- hole
- shaped bracket
- cylinder
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- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model provides a brake pedal device, relates to the technical field of automobile test equipment, and aims to solve the problem that in the prior art, a test person is adopted to step on a brake pedal to control the braking force of a vehicle, so that the accuracy of controlling the braking force of the vehicle is low. An embodiment of the present utility model provides a brake pedal device applied to a vehicle including a seat, the brake pedal device including: the hydraulic cylinder comprises a cylinder body and a piston rod positioned in the cylinder body, the cylinder body comprises a liquid inlet and a liquid outlet, the liquid outlet end of the hydraulic circuit is communicated with the liquid inlet, and the oil return end of the hydraulic circuit is communicated with the liquid outlet; the telescopic end of the piston rod is rotationally connected with the brake pedal, and one end of the cylinder body, which is far away from the telescopic end, is rotationally connected with the seat. The utility model can improve the control precision of braking force of the brake pedal.
Description
Technical Field
The utility model relates to the technical field of automobile test equipment, in particular to a brake pedal device.
Background
In the whole vehicle rack or environment simulation test process, the acceleration and deceleration of the vehicle and the stepping on a brake pedal are required to be controlled to perform the test according to a specified curve. During braking, it is necessary to control the vehicle at a constant deceleration. In the prior art, a mode that a test person steps on a brake pedal is generally adopted to control the braking force of a vehicle, so that the accuracy of controlling the braking force of the vehicle is lower.
Disclosure of Invention
The embodiment of the utility model provides a brake pedal device, wherein in the prior art, a mode that a test person steps on a brake pedal is generally adopted to control the braking force of a vehicle, so that the accuracy of controlling the braking force of the vehicle is lower, and in order to solve the problems, the embodiment of the utility model adopts the following technical scheme:
an embodiment of the present utility model provides a brake pedal device applied to a vehicle including a seat, the brake pedal device including: the hydraulic cylinder comprises a cylinder body and a piston rod positioned in the cylinder body, the cylinder body comprises a liquid inlet and a liquid outlet, the liquid outlet end of the hydraulic circuit is communicated with the liquid inlet, and the oil return end of the hydraulic circuit is communicated with the liquid outlet;
the telescopic end of the piston rod is rotationally connected with the brake pedal, and one end of the cylinder body, which is far away from the telescopic end, is rotationally connected with the seat.
In the embodiment of the utility model, the telescopic end of the piston rod is rotationally connected with the brake pedal, the piston rod can be controlled to stretch through the hydraulic cylinder, the piston rod applies pressure to the brake pedal so as to control the vehicle to decelerate, and the hydraulic pressure of the hydraulic cylinder is controllable, so that the pressure applied to the brake pedal by the piston rod can be further controlled, and the braking force control precision of the brake pedal is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural view of a brake pedal device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a first U-shaped bracket according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second U-shaped bracket according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a hydraulic cylinder according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a controller according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a power module according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. "upper", "lower", "left", "right", etc. are used merely to indicate a relative positional relationship, which changes accordingly when the absolute position of the object to be described changes.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a brake pedal device provided in an embodiment of the present utility model, where the brake pedal device is applied to a vehicle, and the vehicle includes a seat, as shown in fig. 1, the brake pedal device includes a brake pedal 100, a hydraulic cylinder 200, and a hydraulic circuit, the hydraulic cylinder 200 includes a cylinder body 210 and a piston rod 220 located in the cylinder body, the cylinder body 210 includes a liquid inlet 211 and a liquid outlet 212, a liquid outlet end of the hydraulic circuit is communicated with the liquid inlet 211, and a liquid return end of the hydraulic circuit is communicated with the liquid outlet 212;
the telescopic end of the piston rod 220 is rotatably connected with the brake pedal 100, and the end of the cylinder 210 away from the telescopic end is rotatably connected with the seat.
Specifically, the brake pedal 100 may be a test device for controlling a vehicle to decelerate during a vehicle bench or an environmental simulation test, the hydraulic cylinder 200 may be a hydraulic actuator for converting hydraulic energy into mechanical energy and performing linear reciprocating motion, the hydraulic circuit may be a circuit for flowing a liquid in the hydraulic cylinder 200, the cylinder 210 may be a container for the liquid, the piston rod 220 may be a component for controlling expansion and contraction of the hydraulic cylinder 200, and the liquid inlet 211, the liquid outlet 212, the liquid outlet end and the hydraulic circuit form the hydraulic circuit.
In the embodiment of the present utility model, the telescopic end of the piston rod 220 is rotatably connected with the brake pedal 100, the piston rod 220 can be controlled to extend and retract by the hydraulic cylinder 200, the piston rod 220 applies pressure to the brake pedal 100, and further, the vehicle is controlled to decelerate, and because the hydraulic pressure of the hydraulic cylinder 200 is controllable, the pressure applied by the piston rod 220 to the brake pedal 100 can be further controlled, so that the accuracy of braking force control of the brake pedal 100 is higher.
Optionally, the brake pedal device includes a first U-shaped bracket 300 and a first locking screw 301, where the first U-shaped bracket 300 includes a first side wall 310 and a second side wall 320 opposite to each other, the first side wall 310 is provided with a first screw hole 311, a target area of the seat is embedded in the first U-shaped bracket 300, the first locking screw 301 is in threaded connection with the first screw hole 311, and the first locking screw 301 abuts against the seat; the end of the cylinder 210 away from the telescopic end is rotatably connected to the outer wall of the first U-shaped bracket 300.
Specifically, fig. 2 is a schematic structural diagram of a first U-shaped bracket provided in an embodiment of the present utility model, as shown in fig. 1 and fig. 2, an opening of the first U-shaped bracket 300 may face the seat, the first locking screw 301 is disposed corresponding to a thread of the first screw hole 311, a target area of the seat may be a seat portion clamped by the first U-shaped bracket 300, a first connecting device 330 may be disposed on an outer wall of the first U-shaped bracket 300, one end of the cylinder 210 away from the telescopic end is provided with a second connecting device 230, the first connecting device 330 and the second connecting device 230 are rotationally connected by a connecting rod, and the connecting rod is respectively inserted into the first connecting device 330 and the second connecting device 230.
In the embodiment of the present utility model, the brake pedal device may clamp the seat through the first U-shaped bracket 300 and the first locking screw 301, so that the brake pedal device is not easy to fall off in the use process, and one end of the cylinder 210 away from the telescopic end is rotatably connected with the outer wall of the first U-shaped bracket 300, so that the hydraulic cylinder 200 may realize free rotation adjustment.
Optionally, the brake pedal device includes a second U-shaped bracket 400 and a second locking screw 401, where the second U-shaped bracket 400 includes a third side wall 410 and a fourth side wall 420 opposite to each other, the third side wall 410 is provided with a second screw hole, the brake pedal 100 includes a pedal body 110 and a brake lever 120, the pedal body 110 is connected with the brake lever 120, the pedal body 110 is embedded in the second U-shaped bracket 400, the second locking screw 401 is in threaded connection with the second screw hole, and the second locking screw 401 abuts against the pedal body 110; the telescopic end of the piston rod 220 is rotatably connected to the outer wall of the second U-shaped bracket 400.
Specifically, fig. 3 is a schematic structural diagram of a second U-shaped bracket according to an embodiment of the present utility model, as shown in fig. 1 and fig. 3, an opening of the second U-shaped bracket 400 may face the brake pedal 100, or may face away from the brake pedal 100, the second locking screw 401 may be disposed corresponding to a thread of the second screw hole, the pedal body 110 may be a portion of the piston rod 220 that applies pressure, a telescopic end of the piston rod 220 is rotatably connected to an outer wall of the second U-shaped bracket 400, or a bearing seat may be disposed on an outer wall of the second U-shaped bracket 400, and a telescopic end of the piston rod 220 is rotatably connected to the bearing seat.
In this embodiment of the present utility model, the brake pedal device may apply pressure to the second U-shaped bracket 400 through the piston rod 220, so as to drive the pedal body 110 to move vertically, control the vehicle to slow down, and fix the brake pedal 100 to the second U-shaped bracket 400 through the second locking screw 401, so that the brake pedal device is relatively stable.
Optionally, the second U-shaped bracket 400 further includes a connection end surface 430 for connecting the third side wall 410 and the fourth side wall 420, the connection end surface 430 including a first bar-shaped hole arranged in a direction perpendicular to the third side wall 410, the fourth side wall 420 including a second bar-shaped hole arranged in a direction perpendicular to the connection end surface 430, the first bar-shaped hole communicating with the second bar-shaped hole; the pedal body 110 is embedded in the second U-shaped bracket 400, and the brake lever 120 is inserted into the first bar-shaped hole.
Specifically, as shown in fig. 1 and 3, the opening of the second U-shaped bracket 400 may be a side facing away from the brake pedal 100, the pedal body 110 may be embedded in the second U-shaped bracket 400, the pedal body 110 may be placed on the fourth side wall 420, the brake lever 120 may be inserted into the first bar-shaped hole, and a length of the pedal body 110 along a direction perpendicular to the connection end surface 430 may be greater than a length of the brake lever 120 along a direction perpendicular to the connection end surface 430.
In this embodiment of the present utility model, the brake pedal device may be inserted through the brake rod 120 and disposed in the first bar hole, and the pedal body 110 is disposed on the fourth side wall 420, so that the brake pedal 100 is clamped in the second U-shaped bracket 400, and stability of the brake pedal device in use is high.
Optionally, an end surface of the third side wall 410 opposite to the side of the fourth side wall 420 is provided with a first bearing seat 411 and a second bearing seat 412, a shaft hole of the first bearing seat 411 is opposite to a shaft hole of the second bearing seat 412, a telescopic end of the piston rod 220 is provided with a first rotation shaft 221, and the first rotation shaft 221 is respectively inserted into the shaft hole of the first bearing seat 411 and the shaft hole of the second bearing seat 412.
Specifically, fig. 4 is a schematic structural diagram of a hydraulic cylinder according to an embodiment of the present utility model, as shown in fig. 3 and fig. 4, the shaft hole of the first bearing seat 411 and the shaft hole of the second bearing seat 412 may be opposite, and the shaft hole of the first bearing seat 411 and the second bearing seat 412 may be symmetrically disposed about the first rotation axis 221.
In the embodiment of the present utility model, the brake pedal device may be connected to the first rotation shaft 221 through the first bearing seat 411 and the second bearing seat 412, so that the first rotation shaft 221 may rotate in the first bearing seat 411 and the second bearing seat 412, thereby realizing rotation of the hydraulic cylinder 200 and free adjustment of an angle, and enabling high flexibility of the brake pedal device.
Optionally, the first bearing seat 411 includes a connection lug plate 412 and a connection screw 413, a connection hole is formed in the connection lug plate 412, a third screw hole is formed in the third side wall 410, the connection screw 413 is disposed in the connection hole in a penetrating manner, and the connection screw 413 is in threaded connection with the third screw hole.
Specifically, as shown in fig. 3, the connection lug 412 may be welded to the third sidewall 410 of the first bearing housing 411, and the connection hole and the third screw hole may be located at positions corresponding to each other, and the connection hole and the third screw hole may be respectively matched with the screw thread of the connection screw 413.
In the embodiment of the present utility model, the brake pedal device may fix the first bearing seat 411 by providing a connection lug plate 412 and a connection screw 413, so that the first bearing seat 411 may be detached, the first bearing seat 411 may be replaced conveniently, and the hydraulic cylinder 200 may be installed conveniently.
Optionally, the brake pedal device further includes a controller 500 and at least one pressure sensor 600, the at least one pressure sensor 600 is disposed in the cylinder 210, and the at least one pressure sensor 600 is connected to the controller 500 through a sensing harness 601.
Specifically, fig. 5 is a schematic structural diagram of a controller according to an embodiment of the present utility model, as shown in fig. 4 and 5, the controller 500 may adjust the hydraulic pressure of the hydraulic cylinder 200, so as to adjust the extension and shortening of the piston rod 220 of the hydraulic cylinder 200, and the at least one pressure sensor 600 may be configured to measure the hydraulic pressure in the cylinder 210, and output a control signal to the controller 500 when the hydraulic pressure is greater than a preset threshold, where the control signal is configured to adjust the hydraulic pressure of the hydraulic cylinder 200.
In the embodiment of the present utility model, the brake pedal device may output a control signal to the controller 500 by providing the at least one pressure sensor 600 in case that the hydraulic pressure is greater than a preset threshold value, so as to prevent the hydraulic cylinder 200 from being damaged due to the excessive hydraulic pressure.
Optionally, the at least one pressure sensor 600 includes a first pressure sensor 610 and a second pressure sensor 620, the first pressure sensor 610 being disposed proximate to a first end of the cylinder 210 and the second pressure sensor 620 being disposed proximate to a second end of the cylinder 210.
Specifically, as shown in fig. 4, the at least one pressure sensor 600 includes a first pressure sensor 610 and a second pressure sensor 620, where the ranges of the first pressure sensor 610 and the second pressure sensor 620 may be different, and the ranges may be selected according to actual requirements, and in this embodiment of the present utility model, the brake pedal device may further monitor the hydraulic pressure of the hydraulic cylinder 200 under the condition that the piston rod 220 is at the shortest and longest positions by arranging pressure sensors at two ends of the cylinder body 210, so as to monitor the hydraulic pressure of the hydraulic cylinder 200 under extreme conditions, and ensure the use safety of the hydraulic cylinder 200.
Optionally, the liquid inlet 211 is provided with a first electromagnetic valve, the liquid outlet 212 is provided with a second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with the controller 500 through an electromagnetic wire harness 501.
Specifically, as shown in fig. 5, the first electromagnetic valve and the second electromagnetic valve are respectively connected with the controller 500 through electromagnetic wire harnesses 501, and the first electromagnetic valve and the second electromagnetic valve may be used to control the flow direction of hydraulic oil in the hydraulic cylinder 200, so as to control the piston rod 220 to extend and retract.
In the embodiment of the present utility model, the brake pedal device may control the hydraulic pressure of the hydraulic cylinder 200 through the first solenoid valve and the second solenoid valve, so that the pressure applied to the brake pedal 100 by the piston rod 220 may be precisely controlled.
Optionally, the controller 500 includes a power supply assembly 700, the power supply assembly 700 includes a coarse tuning switch 710 and a fine tuning switch 720, the coarse tuning switch 710 and the fine tuning switch 720 are respectively connected with the controller 500 through a control wire harness 701, the coarse tuning switch 710 and the fine tuning switch 720 are respectively used for adjusting the hydraulic pressure in the hydraulic cylinder 200, and the adjustment precision of the coarse tuning switch 710 and the fine tuning switch 720 is different.
Specifically, fig. 6 is a schematic structural diagram of a power supply assembly according to an embodiment of the present utility model, as shown in fig. 6, the power supply assembly 700 includes the coarse adjustment switch 710 and the fine adjustment switch 720, the coarse adjustment switch 710 may be used to adjust the distance between the brake pedal 100 and the seat, the fine adjustment switch 720 may be used to adjust the pressure applied by the piston rod 220 to the brake pedal 100 during the adjustment stage, and the power supply switch 730 may be further included, the power supply switch 730 is connected to the controller 500 through a power harness 731, and the power supply switch 730 may be used to control the power supply to the brake pedal device.
In the embodiment of the present utility model, the brake pedal device may adjust the distance between the brake pedal 100 and the seat through the coarse adjustment switch 710, so as to facilitate the rapid and fixed installation of the brake pedal device, and the fine adjustment switch 720 controls to realize the precise control of the whole brake pedal device, thereby realizing the change of the brake pressure and the execution speed of the brake pedal 100.
In the several embodiments provided by the present utility model, it should be understood that, in this document, 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. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art, having the benefit of this disclosure, may make several improvements and modifications without departing from the principles of the utility model described herein, and the improvements and modifications are also considered within the scope of the utility model.
Claims (10)
1. A brake pedal device for use with a vehicle including a seat, the brake pedal device comprising: the hydraulic cylinder comprises a cylinder body and a piston rod positioned in the cylinder body, the cylinder body comprises a liquid inlet and a liquid outlet, the liquid outlet end of the hydraulic circuit is communicated with the liquid inlet, and the oil return end of the hydraulic circuit is communicated with the liquid outlet;
the telescopic end of the piston rod is rotationally connected with the brake pedal, and one end of the cylinder body, which is far away from the telescopic end, is rotationally connected with the seat.
2. The brake pedal apparatus of claim 1, wherein the brake pedal apparatus comprises a first U-shaped bracket and a first locking screw, the first U-shaped bracket comprising opposing first and second side walls, the first side wall having a first threaded hole, the target area of the seat being embedded within the first U-shaped bracket, the first locking screw being threadably connected to the first threaded hole and the first locking screw abutting the seat; one end of the cylinder body, which is far away from the telescopic end, is rotationally connected with the outer wall of the first U-shaped bracket.
3. The brake pedal apparatus of claim 1, wherein the brake pedal apparatus comprises a second U-shaped bracket and a second locking screw, the second U-shaped bracket comprises a third side wall and a fourth side wall which are opposite, the third side wall is provided with a second screw hole, the brake pedal comprises a pedal body and a brake lever, the pedal body is connected with the brake lever, the pedal body is embedded in the second U-shaped bracket, the second locking screw is in threaded connection with the second screw hole, and the second locking screw is abutted with the pedal body; the telescopic end of the piston rod is rotatably connected with the outer wall of the second U-shaped bracket.
4. A brake pedal apparatus according to claim 3, wherein said second U-shaped bracket further includes a connecting end surface for connecting said third side wall and said fourth side wall, said connecting end surface including a first bar-shaped hole arranged in a direction perpendicular to said third side wall, said fourth side wall including a second bar-shaped hole arranged in a direction perpendicular to said connecting end surface, said first bar-shaped hole communicating with said second bar-shaped hole; the pedal body is embedded in the second U-shaped bracket, and the brake rod is arranged in the first strip-shaped hole in a penetrating mode.
5. A brake pedal apparatus according to claim 3, wherein an end face of the third side wall on a side opposite to the fourth side wall is provided with a first bearing seat and a second bearing seat, a shaft hole of the first bearing seat is opposite to a shaft hole of the second bearing seat, a telescopic end of the piston rod is provided with a first rotating shaft, and the first rotating shaft is respectively inserted into the shaft holes of the first bearing seat and the second bearing seat.
6. The brake pedal apparatus according to claim 5, wherein the first bearing housing includes a connection lug plate and a connection screw, a connection hole is formed in the connection lug plate, a third screw hole is formed in the third side wall, the connection screw is disposed in the connection hole in a penetrating manner, and the connection screw is in threaded connection with the third screw hole.
7. The brake pedal apparatus of claim 1 further comprising a controller and at least one pressure sensor disposed within the cylinder, the at least one pressure sensor being connected to the controller by a sensing harness.
8. The brake pedal apparatus of claim 7 wherein the at least one pressure sensor includes a first pressure sensor disposed proximate a first end of the cylinder and a second pressure sensor disposed proximate a second end of the cylinder.
9. The brake pedal apparatus according to claim 7, wherein the liquid inlet is provided with a first solenoid valve, the liquid outlet is provided with a second solenoid valve, and the first solenoid valve and the second solenoid valve are connected to the controller via electromagnetic harnesses, respectively.
10. The brake pedal apparatus according to claim 7, wherein the controller includes a power supply assembly including a coarse switch and a fine switch, the coarse switch and the fine switch being connected to the controller via control wiring harnesses, respectively, the coarse switch and the fine switch being used to adjust the hydraulic pressure in the hydraulic cylinder, respectively, and the coarse switch and the fine switch being different in adjustment accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321116885.2U CN219777097U (en) | 2023-05-10 | 2023-05-10 | Brake pedal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321116885.2U CN219777097U (en) | 2023-05-10 | 2023-05-10 | Brake pedal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777097U true CN219777097U (en) | 2023-09-29 |
Family
ID=88135650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321116885.2U Active CN219777097U (en) | 2023-05-10 | 2023-05-10 | Brake pedal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777097U (en) |
-
2023
- 2023-05-10 CN CN202321116885.2U patent/CN219777097U/en active Active
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