CN210912384U - Compact high-precision brake pedal - Google Patents
Compact high-precision brake pedal Download PDFInfo
- Publication number
- CN210912384U CN210912384U CN201921189969.2U CN201921189969U CN210912384U CN 210912384 U CN210912384 U CN 210912384U CN 201921189969 U CN201921189969 U CN 201921189969U CN 210912384 U CN210912384 U CN 210912384U
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- China
- Prior art keywords
- brake pedal
- sensor
- angle sensor
- rotating shaft
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a compact high accuracy brake pedal, including support welding subassembly, two, nylon axle sleeve two, round pin axle two, bush, jump ring, elastic bush, return spring two, brake arm welding subassembly, sensor support two and angle sensor two, pivot both ends are equipped with the boss, be equipped with central groove on the hall element in the angle sensor two, and behind angle sensor two and the two fastening connection of sensor support for the boss inserts central groove, has solved the low difficult problem of brake pedal spatial arrangement of detection precision of brake pedal angle signal.
Description
Technical Field
The utility model belongs to the technical field of braking system, specifically speaking, the utility model relates to a compact high accuracy brake pedal.
Background
With the increasing emphasis on environmental problems in China, energy conservation and emission reduction are strongly promoted, new energy automobiles are rapidly developed, however, the endurance mileage of new energy automobiles is short, energy recovery is also increasingly emphasized by society for better improving the endurance mileage, and braking energy recovery is the most common, and mainly comprises the steps of recovering redundant energy released by the automobiles in braking or inertia, converting the redundant energy into electric energy through a generator, and then storing the electric energy into a storage battery for power driving of the automobiles.
As shown in fig. 1 to 7, the conventional brake pedal comprises a pedal support assembly 1, a first rotating shaft 2, a first nylon shaft sleeve 3, a flange sleeve 4, a brake pedal assembly 5, a first sensor support 6, a first angle sensor 7, a straight connecting rod 8 and a bent connecting rod 9, wherein holes 10 are symmetrically arranged at two sides of the pedal support assembly 1, a torsion spring limiting hole 11 is arranged at one side of the pedal support assembly 1, an upper limiting plate 12 is arranged at the front side of the pedal support assembly 1, the first nylon shaft sleeve 3 is sleeved outside the first rotating shaft 2, two ends of the first rotating shaft 2 are rotatably connected with the flange sleeve 4, the flange sleeve 4 is fixedly connected with the pedal support assembly 1, the brake pedal assembly 5 is fixedly connected with the outer wall of the first nylon shaft sleeve 3, the first sensor support 6 is fixedly connected with one side of the pedal support assembly 1, the first angle sensor 7 is fixedly connected with the first sensor support 6, the first nylon shaft sleeve 3 is sleeved with, one end of a first return spring 30 is inserted into the torsion spring limiting hole 11, the other end of the first return spring is in tensioning contact with the lower end of the brake pedal assembly 5, a long groove 80 is formed in the straight connecting rod 8, a first pin shaft 90 is arranged at the end of the bent connecting rod 9, one end of the straight connecting rod 8 is coaxially connected with an input shaft of the first angle sensor 7, the long groove 80 at the other end of the straight connecting rod is embedded in the first pin shaft 90, the bent connecting rod 9 is fixedly connected with the side wall of the brake pedal assembly 5, and a rubber.
The brake energy recovery is realized through a brake pedal angle sensor, one end of a straight connecting rod is fixed on the angle sensor, and the other end of the straight connecting rod is fixed on a pedal arm through a bent connecting rod in the traditional brake pedal angle sensor arrangement, so that the brake pedal angle sensor with the structure has too many mechanical assembly relations and too many assembly dimensional tolerances are accumulated, an assembly dimensional chain is too long, the detection sensitivity of the angle sensor to the brake action is not high, and the brake pedal angle sensor cannot meet the precision requirement when being applied to a brake energy recovery system; and the traditional brake pedal causes larger space size due to an external straight connecting rod and an external bent connecting rod, and is inconvenient to arrange in a limited space on an automobile.
Therefore, a compact high-precision brake pedal needs to be designed to improve the detection precision of the pedal angle signal and enable better energy recovery.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compact high accuracy brake pedal has solved the low difficult problem of brake pedal spatial arrangement of detection precision and brake pedal angular signal.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: a compact high-precision brake pedal comprises a bracket welding assembly, a second rotating shaft, a second nylon shaft sleeve, a second pin shaft, a bushing, a first snap spring, an elastic bushing, a second return spring, a second brake arm welding assembly, a second sensor bracket and a second angle sensor, wherein holes are symmetrically formed in two sides of the bracket welding assembly, the second rotating shaft is provided with a first through hole, the second nylon shaft sleeve is provided with a second through hole, the second nylon shaft sleeve is sleeved on the second rotating shaft, the second pin shaft penetrates through the first through hole and the second through hole, two ends of the second rotating shaft are rotatably connected with the second through the bushing, the snap springs are clamped on the outer wall of the second rotating shaft and positioned outside the bushing, the elastic bushing is sleeved on the second nylon shaft sleeve, two end parts of the nylon shaft sleeve are fixedly connected with the brake arm welding assembly, the second return spring sleeve is sleeved outside the elastic bushing, one end of the, the second sensor support is fixedly connected with the support welding assembly, the second angle sensor is fixedly connected with the second sensor support, bosses are arranged at the end parts of the two rotating shafts, central grooves are formed in Hall elements in the second angle sensor, and the bosses are inserted into the central grooves after the second angle sensor is fixedly connected with the second sensor support.
Preferably, the second sensor support is in a shape of a Chinese character ji.
Preferably, the central groove is a U-shaped groove.
The beneficial effect of adopting above technical scheme is:
1. this compact high accuracy brake pedal compares traditional brake pedal, the utility model provides an angle sensor two with two coaxial arrangements of pivot, and pivot both ends are equipped with the boss, be equipped with the center groove on the hall element in the angle sensor two, and behind two fastening connection of angle sensor two and sensor support for during the boss inserts the center groove, center groove on the boss disect insertion hall element through two tip of pivot has guaranteed the shortest assembly dimension chain, compares traditional brake pedal, has avoided the atress of brake pedal assembly, straight connecting rod and curved connecting rod to warp, has solved the problem that the detection precision of brake pedal angular signal is low.
2. The technical scheme of the utility model cancels the external installation structure of the straight connecting rod and the bent connecting rod, and the Hall element of the angle sensor II is directly connected with the rotating shaft II, so that the structure is compact, and the problem of difficult spatial arrangement of the brake pedal is solved; in addition, the assembly of a straight connecting rod and a bent connecting rod is cancelled, so that the production efficiency is improved, and the cost is reduced; the sensor bracket II is in a shape of a Chinese character 'ji', so that the coaxiality of the central hole axis and the hole axis on the sensor bracket II is ensured; the central groove is a U-shaped groove, so that the stress uniformity of the rotating shaft two-positive rotation and reverse rotation Hall element is ensured.
Drawings
FIG. 1 is a prior art brake pedal assembly view I;
FIG. 2 is a prior art brake pedal assembly view two;
FIG. 3 is a first schematic view of a pedal support assembly of the prior art;
FIG. 4 is a second schematic view of a pedal support assembly of the prior art;
FIG. 5 is a schematic view of the upper limiting plate;
FIG. 6 is a schematic view showing an assembly structure of a first rotating shaft, a first nylon shaft sleeve, a flange sleeve, a brake pedal assembly, a first sensor bracket, a first angle sensor, a straight connecting rod and a bent connecting rod in the prior art;
FIG. 7 is a schematic view of an assembly structure of a first rotating shaft, a first nylon shaft sleeve, a flange sleeve, a brake pedal assembly, a first sensor bracket, a first angle sensor, a straight connecting rod and a bent connecting rod in the prior art;
FIG. 8 is a first assembly view of the brake pedal of the present invention;
FIG. 9 is a second assembly view of the brake pedal of the present invention;
FIG. 10 is a front view of the brake pedal of the present invention;
FIG. 11 is a sectional view A-A of FIG. 10;
FIG. 12 is a first schematic structural view of a bracket welding assembly according to the present invention;
FIG. 13 is a second schematic structural view of a bracket welding assembly of the present invention;
FIG. 14 is an exploded view of the brake pedal of the present invention;
FIG. 15 is a sectional view of the assembly of the second rotating shaft, the second nylon shaft sleeve and the welding assembly of the brake arm of the present invention;
FIG. 16 is a schematic view of an assembly structure of a second rotating shaft and a second angle sensor;
FIG. 17 is a schematic diagram of a Hall element structure;
wherein:
1. a pedal support body assembly; 2. a first rotating shaft; 3. a first nylon shaft sleeve; 4. a flange sleeve; 5. a brake pedal assembly; 6. a first sensor bracket; 7. a first angle sensor; 8. a straight connecting rod; 9. bending the connecting rod; 10. a first hole; 11. a torsion spring limiting hole; 12. an upper limiting plate; 30. a first return spring; 50. a rubber cushion block; 80. a long groove; 90. a first pin shaft;
1-1, welding a component by a bracket; 1-2, a second rotating shaft; 1-3, a nylon shaft sleeve II; 1-4, a second pin shaft; 1-5, a bushing; 1-6, a clamp spring; 1-7, an elastic bushing; 1-8 and a second return spring; 1-9, brake arm welding assembly; 1-10 parts of a sensor bracket II; 1-11 and a second angle sensor; 100. a second hole; 200. a first through hole; 201. a boss; 300. a second through hole; 111. a central slot; 112. a Hall element.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
As shown in fig. 8-17, the utility model relates to a compact high accuracy brake pedal has solved the low difficult problem of brake pedal spatial arrangement of detection precision and brake pedal angle signal.
Specifically, as shown in fig. 1 to 17, the sensor comprises a bracket welding assembly 1-1, a rotating shaft II 1-2, a nylon shaft sleeve II 1-3, a pin shaft II 1-4, a bush 1-5, a clamp spring 1-6, an elastic bush 1-7, a return spring II 1-8, a brake arm welding assembly 1-9, a sensor bracket II 1-10 and an angle sensor II 1-11, wherein holes II 100 are symmetrically arranged on two sides of the bracket welding assembly 1-1, a through hole I200 is arranged on the rotating shaft II 1-2, a through hole II 300 is arranged on the nylon shaft sleeve II 1-3, the nylon shaft sleeve II 1-3 is sleeved on the rotating shaft II 1-2, the pin shaft II 1-4 penetrates through the through hole I200 and the through hole II 300, two ends of the rotating shaft II 1-2 are rotatably connected with the hole II 100 through bushes 1-5, the clamp spring 1-6 is clamped on the outer wall of the second rotating shaft 1-2 and positioned outside the bushing 1-5, the elastic bushing 1-7 is sleeved on the second nylon shaft sleeve 1-3, the end part of the second nylon shaft sleeve 1-3 is fixedly connected with the brake arm welding component 1-9, the second return spring 1-8 is sleeved outside the elastic bushing 1-7, one end of the second return spring 1-8 is hooked with the bracket welding component 1-1, the other end of the second return spring is in tensioning contact with the lower end of the brake arm welding component 1-9, the second sensor bracket 1-10 is tightly connected with the bracket welding component 1-1, the second angle sensor 1-11 is tightly connected with the second sensor bracket 1-10, the end part of the second rotating shaft 1-2 is provided with a boss 201, and a Hall element 112 in the second angle sensor 1-11 is provided with a central, and after the angle sensors two 1-11 are firmly connected with the sensor brackets two 1-10, the lug boss 201 is inserted into the central groove 111.
The sensor bracket II 1-10 is in a shape of a Chinese character ji.
As shown in fig. 17, the central groove 111 is a "U" shaped groove.
The following specific working modes are illustrated by specific examples:
example 1:
this compact high accuracy brake pedal compares traditional brake pedal, the utility model provides a two 1-11 and two 1-2 coaxial arrangements of pivot of angle sensor, and two 1-2 tip of pivot are equipped with boss 201, be equipped with central groove 111 on the hall element 112 among the two 1-11 of angle sensor, and behind two 1-11 and the two 1-10 fastening connection of sensor support of angle sensor for boss 201 inserts in central groove 111, center groove 111 on the boss 201 direct insertion hall element 112 through two 1-2 tip of pivot, has guaranteed the shortest assembly size chain, compares traditional brake pedal, has avoided brake pedal assembly 5, straight connecting rod 8 and curved connecting rod 9's atress to warp, has solved the problem that the detection precision of brake pedal angle signal is low.
Example 2:
the technical scheme of the utility model cancels the external installation structure of the straight connecting rod 8 and the bent connecting rod 9, and the Hall element 112 of the angle sensor II 1-11 is directly connected with the rotating shaft II 1-2, so that the structure is compact, and the problem of difficult spatial arrangement of the brake pedal is solved; in addition, the assembly of the straight connecting rod 8 and the bent connecting rod 9 is cancelled, so that the production efficiency is improved, and the cost is reduced; the sensor support II 1-10 is in a shape of a Chinese character ji, so that the coaxiality of the central hole axis on the sensor support II 1-10 and the hole II 100 axis is ensured; the central groove 111 is a U-shaped groove, so that the stress uniformity of the rotating shaft two 1-2 forward and reverse rotation Hall element 112 is ensured.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, but is intended to cover various insubstantial modifications, including those made by the method and technical solutions of the present invention; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (3)
1. A compact high-precision brake pedal comprises a bracket welding assembly (1-1), a second rotating shaft (1-2), a second nylon shaft sleeve (1-3), a second pin shaft (1-4), a bushing (1-5), a clamp spring (1-6), an elastic bushing (1-7), a second return spring (1-8), a first brake arm welding assembly (1-9), a second sensor bracket (1-10) and a second angle sensor (1-11), wherein holes (100) are symmetrically formed in two sides of the bracket welding assembly (1-1), a first through hole (200) is formed in the second rotating shaft (1-2), a second through hole (300) is formed in the second nylon shaft sleeve (1-3), the second nylon shaft sleeve (1-3) is sleeved on the second rotating shaft (1-2), and the second pin shaft (1-4) penetrates through the first through hole (200) and the second through hole (300), two ends of the second rotating shaft (1-2) are rotatably connected with the second hole (100) through bushings (1-5), clamp springs (1-6) are clamped on the outer wall of the second rotating shaft (1-2) and located on the outer sides of the bushings (1-5), elastic bushings (1-7) are sleeved on the second nylon shaft sleeves (1-3), the end portions of the second nylon shaft sleeves (1-3) are fixedly connected with brake arm welding assemblies (1-9), return springs (1-8) are sleeved outside the elastic bushings (1-7), one ends of the return springs (1-8) are hooked with the support welding assemblies (1-1), the other ends of the return springs are in tensioning contact with the lower ends of the brake arm welding assemblies (1-9), and the sensor supports (1-10) are fixedly connected with the support welding assemblies (1-1), the angle sensor II (1-11) is fixedly connected with the sensor bracket II (1-10), and is characterized in that: the end part of the second rotating shaft (1-2) is provided with a boss (201), a Hall element (112) in the second angle sensor (1-11) is provided with a central groove (111), and the boss (201) is inserted into the central groove (111) after the second angle sensor (1-11) is tightly connected with the second sensor support (1-10).
2. The compact high-precision brake pedal according to claim 1, characterized in that: the second sensor bracket (1-10) is in a shape of a Chinese character ji.
3. The compact high-precision brake pedal according to claim 1, characterized in that: the central groove (111) is a U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189969.2U CN210912384U (en) | 2019-07-26 | 2019-07-26 | Compact high-precision brake pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189969.2U CN210912384U (en) | 2019-07-26 | 2019-07-26 | Compact high-precision brake pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210912384U true CN210912384U (en) | 2020-07-03 |
Family
ID=71363650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189969.2U Expired - Fee Related CN210912384U (en) | 2019-07-26 | 2019-07-26 | Compact high-precision brake pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210912384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549998A (en) * | 2019-07-26 | 2019-12-10 | 浙江飞碟汽车制造有限公司 | Compact high-precision brake pedal |
| CN111890926A (en) * | 2020-09-08 | 2020-11-06 | 湖北汽车工业学院 | Electronic throttle accelerator pedal assembly structure |
-
2019
- 2019-07-26 CN CN201921189969.2U patent/CN210912384U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549998A (en) * | 2019-07-26 | 2019-12-10 | 浙江飞碟汽车制造有限公司 | Compact high-precision brake pedal |
| CN111890926A (en) * | 2020-09-08 | 2020-11-06 | 湖北汽车工业学院 | Electronic throttle accelerator pedal assembly structure |
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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: 20200703 |