Accelerator pedal

Abstract

The utility model discloses an accelerator pedal which comprises a shell, a pedal arm, a rotor, a wedge block, a spring and a sensor, the sensor is installed on the rotor, and an arc-shaped friction wall is formed on the inner wall of the shell. One end of the pedal arm is installed on the outer side of the shell, the movable end of the pedal arm extends to form a connecting rod extending into the shell, and a transversely-arranged transmission part is formed at the end of the connecting rod. The rotor is rotationally installed on the shell, and the movable end of the rotor is movably connected with the transmission part. The two ends of the spring abut against the shell and the wedge block respectively, the wedge block is arranged between the transmission part and the spring, the wedge block is installed on the transmission part in a sliding mode, a friction block is further arranged between the wedge block and the friction wall, and the friction block abuts against the friction wall through the wedge block. The pedal arm, the rotor and the wedge block are linked through the transmission part, the spring is extruded back and forth through the wedge block, the elastic force of the spring is transmitted to the friction block so as to generate friction with the friction wall, the structure is reasonable, the number of parts is small, the assembly steps and the product weight can be reduced, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of accelerator pedals, and in particular to an accelerator pedal. Background Technology

[0002] Currently, commonly used electronic accelerator pedals on the market detect pedal movement using sensors and control vehicle speed using electronic signals. However, observations have revealed that existing accelerator pedals suffer from a large number of parts, large part sizes, numerous assembly steps, and relatively high costs.

[0003] In view of this, this utility model is developed by deeply conceiving and actively researching, improving and testing the design of existing accelerator pedal structures to address the many shortcomings and inconveniences caused by their imperfections. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an accelerator pedal that reduces the number of parts and product weight, reduces assembly steps, and lowers production costs.

[0005] To achieve the above objectives, the solution of this utility model is:

[0006] An accelerator pedal includes a housing, a pedal arm, a rotor, a wedge, a spring, and a sensor, wherein the sensor is mounted on the rotor, and an arc-shaped friction wall is formed on the inner wall of the housing.

[0007] One end of the pedal arm is mounted on the outside of the housing, and the movable end of the pedal arm extends into the housing with a connecting rod. The end of the connecting rod forms a transversely arranged transmission part.

[0008] The rotor is rotatably mounted on the housing, and the movable end of the rotor is movably connected to the transmission unit.

[0009] The two ends of the spring abut against the housing and the wedge respectively. The wedge is disposed between the transmission part and the spring and is slidably mounted on the transmission part. A friction block is also disposed between the wedge and the friction wall, and the friction block abuts against the friction wall through the wedge.

[0010] Furthermore, the housing is provided with a boss inside, and the rotor includes a rotating part and a support arm. The rotating part is sleeved on the boss, and the support arm can rotate around the axis of the boss.

[0011] Furthermore, the free end of the support arm is provided with a sliding pin, and the transmission part is provided with a slide rail corresponding to the sliding pin, with the sliding pin movably engaged within the slide rail.

[0012] Furthermore, the friction block includes a plug-in portion, and the transmission portion is provided with a slot corresponding to the plug-in portion, with the plug-in portion embedded in the slot.

[0013] Furthermore, the friction block has a friction part that fits against the friction wall on the side near the friction wall, and an abutment part that fits against the surface of the wedge on the side near the wedge.

[0014] Furthermore, the friction block and the wedge block are integrally formed.

[0015] Furthermore, the housing has an opening, through which the connecting rod extends into the housing; the top of the transmission part makes movable contact with the inner wall of the housing around the opening.

[0016] Furthermore, the transmission part has a groove along its length, and the surface of the wedge block has a slider corresponding to the groove, which is movably fitted in the groove.

[0017] Furthermore, the surface of the wedge block is recessed to form a receiving groove, and a protruding post is provided in the middle of the receiving groove. One end of the spring is embedded in the receiving groove and sleeved on the protruding post.

[0018] Furthermore, one end of the pedal arm is provided with a mounting part, which includes an I-shaped plate, a connecting plate with a certain degree of flexibility, and a wedge-shaped guide block. The I-shaped plate is connected to the pedal arm through the connecting plate, and the guide block is located at the bottom of the I-shaped plate.

[0019] The housing is provided with an installation groove at the corresponding installation part, and a slot is provided at the bottom of the installation groove. The I-shaped plate is installed in the installation groove, and the guide block and the slot limit each other.

[0020] With the above structure, the accelerator pedal of this utility model is linked to the pedal arm, rotor and wedge through the transmission part. The wedge squeezes the spring back and forth and transmits the spring force to the friction block to generate friction with the friction wall. The structure is reasonable, the number of parts is small, which can reduce assembly steps and product weight, and reduce production costs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention.

[0022] Figure 2 This is an exploded view of a preferred embodiment of the present invention.

[0023] Figure 3 This is a schematic diagram of the shell structure in a preferred embodiment of the present invention.

[0024] Figure 4 This is a schematic diagram of the pedal arm in a preferred embodiment of the present invention.

[0025] Figure 5 This is a schematic diagram of the rotor in a preferred embodiment of the present invention.

[0026] Figure 6This is a schematic diagram of the wedge block in a preferred embodiment of the present invention. Figure 1 .

[0027] Figure 7 This is a schematic diagram of the wedge block in a preferred embodiment of the present invention. Figure 2 .

[0028] Figure 8 This is a schematic diagram of the friction block in a preferred embodiment of the present invention.

[0029] Figure 9 This is a schematic diagram of another embodiment of the present invention.

[0030] Figure 10 This is an exploded view of another embodiment of the present invention.

[0031] Figure 11 This is a schematic diagram of the wedge block structure in another embodiment of the present invention. Figure 1 .

[0032] Figure 12 This is a schematic diagram of the wedge block structure in another embodiment of the present invention. Figure 2 .

[0033] Explanation of reference numerals in the attached drawings: 1. Housing; 11. Friction wall; 12. Boss; 13. Opening; 14. Spring base; 15. Mounting groove; 16. Slot; 2. Pedal arm; 21. Mounting part; 211. I-beam plate; 212. Connecting plate; 213. Guide block; 22. Connecting rod; 23. Transmission part; 231. Slide rail; 232. Slot; 233. Slide groove; 3. Rotor; 31. Rotating part; 32. Support arm; 33. Sliding pin; 4. Wedge; 41. Slider; 42. Receiving groove; 43. Protrusion; 5. Friction block; 51. Insertion part; 52. Friction part; 53. Abutment part; 6. Spring. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below.

[0035] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] like Figures 1 to 8 As shown, this is a preferred embodiment of the accelerator pedal of the present invention, including a housing 1, a pedal arm 2, a rotor 3, a wedge 4, and a spring 6. The inner wall of the housing 1 forms an arc-shaped friction wall 11. One end of the pedal arm 2 is installed on the outside of the housing 1, and the movable end of the pedal arm 2 extends into the housing 1 with a connecting rod 22. The end of the connecting rod 22 forms a transversely arranged transmission part 23. The rotor 3 is rotatably installed on the housing 1, and the movable end of the rotor 3 is movably connected to the transmission part 23. The two ends of the spring 6 abut against the housing 1 and the wedge 4, respectively. The wedge 4 is disposed between the transmission part 23 and the spring 6, and the wedge 4 is slidably installed on the transmission part 23. A friction block 5 is also disposed between the wedge 4 and the friction wall 11, and the friction block 5 abuts against the friction wall 11 through the wedge 4.

[0037] Specifically, after one end of the pedal arm 2 is installed in the housing 1, the end furthest from the installation position is the movable end. The connecting rod 22 is located on the bottom surface of the middle part of the pedal arm 2, and the transmission part 23 is movably fitted inside the housing 1. After the rotor 3 is installed in the housing 1, the end furthest from the installation position is the movable end. The side of the transmission part 23 is movably connected to the rotor 3, and the lower end face of the transmission part 23 is connected to the upper end face of the wedge block 4. The friction block 5 is located between the wedge block 4 and the friction wall 11, and slides against the friction wall 11 as the wedge block 4 moves. The lower end of the spring 6 is installed in the housing 1, and the upper end of the spring 6 is installed on the lower end face of the wedge block 4. An angle is formed between the upper and lower ends of the spring 6, so that the spring 6 is set in a bent shape, which can generate axial and radial components when rebounding.

[0038] In this embodiment, a sensor (not shown in the figure) for detecting the rotation angle of rotor 3 is mounted on rotor 3.

[0039] During operation, the pedal arm 2 is linked to the transmission part 23 via the connecting rod 22. The transmission part 23 drives the movable end of the rotor 3 to rotate up and down. The transmission part 23 presses down to drive the wedge block 4 to move downward. The spring 6 drives the wedge block 4 and the transmission part 23 to move upward. During the movement, the friction block 5 contacts and rubs against the friction wall 11, generating friction force.

[0040] When pedal arm 2 is pressed down, the pressure is transmitted to transmission part 23 via connecting rod 22. The movable end of rotor 3 rotates downward as transmission part 23 moves downward. Simultaneously, wedge block 4 moves downward in sync with transmission part 23, squeezing spring 6. The elastic force generated by the compression of spring 6 is transmitted to wedge block 4. The axial component of spring 6 causes wedge block 4 to abut against the lower end face of transmission part 23, while the radial component of spring 6 pushes wedge block 4 against friction wall 11. Through wedge block 4, friction block 5 is pressed against friction wall 11, causing friction block 5 to contact and rub against friction wall 11. When pedal arm 2 is released, spring 6 drives wedge block 4 and transmission part 23 to move upward, and pushes pedal arm 2 up via connecting rod 22, thus returning to the initial position.

[0041] The key feature of this invention is that the accelerator pedal of this invention is linked to the pedal arm 2, rotor 3 and wedge 4 through the transmission part 23. The wedge 4 squeezes the spring 6 back and forth and transmits the elastic force of the spring 6 to the friction block 5, thereby generating friction with the friction wall 11. The structure is reasonable, the number of parts is small, which can reduce assembly steps and product weight, and reduce production costs.

[0042] In this embodiment, the housing 1 has a boss 12 inside, and the rotor 3 includes a rotating part 31 and a support arm 32. The rotating part 31 is sleeved on the boss 12, and the support arm 32 can rotate around the axis of the boss 12. The rotating part 31 is sleeve-shaped, and the support arm 32 extends to the transmission part 23.

[0043] In this embodiment, the free end of the support arm 32 is provided with a sliding pin 33, and the transmission part 23 is provided with a slide rail 231 corresponding to the sliding pin 33. The sliding pin 33 is movably fitted in the slide rail 231. As the pedal arm 2 is pressed down / released, the up and down movement of the transmission part 23 causes the sliding pin 33 to rotate and move in the slide rail 231, and the rotor 3 rotates accordingly.

[0044] In this embodiment, the friction block 5 includes a plug-in portion 51, and the transmission portion 23 is provided with a slot 232 corresponding to the plug-in portion 51. The plug-in portion 51 is embedded in the slot 232. The slot 232 is a rectangular groove, and the groove direction of the slot 232 faces the friction wall 11. The plug-in portion 51 is plate-shaped. The plug-in portion 51 is embedded in the slot 232 to install the friction block 5 onto the mounting base, resulting in a stable structure.

[0045] In this embodiment, the friction block 5 has a friction portion 52 that fits against the friction wall 11 on the side near the friction wall 11, and an abutment portion 53 that fits against the surface of the wedge block 4 on the side near the wedge block 4. The curvature of the friction portion 52 matches the curvature of the friction wall 11, resulting in a good fit. The end of the wedge block 4 is arc-shaped, and the abutment portion 53 is an arc-shaped groove, increasing the contact area between the wedge block 4 and the abutment portion 53, reducing wear, and improving transmission efficiency.

[0046] In other embodiments, the friction block 5 may also be made into a single part with the wedge block 4. For example... Figures 9 to 12 As shown, in another embodiment of this utility model, the friction block 5 and the wedge block 4 are integrally formed, further reducing the number of parts and assembly steps.

[0047] In this embodiment, the surface of the housing 1 is provided with an opening 13, and the connecting rod 22 extends into the housing 1 after passing through the opening 13; the top of the transmission part 23 is in active contact with the inner wall of the housing 1 around the opening 13 to prevent the connecting rod 22 from detaching from the housing 1.

[0048] In this embodiment, a groove 233 is formed on the lower end face of the transmission part 23 along its length direction, and a slider 41 corresponding to the groove 233 is provided on the upper end face of the wedge block 4. The slider 41 is movably fitted in the groove 233. By limiting the mutual positioning of the slider 41 and the groove 233, the wedge block 4 is restricted to sliding back and forth relative to the transmission part 23 only in the direction of approaching / moving away from the friction wall 11, making the structure more stable.

[0049] In other embodiments, a slider 41 may be provided on the transmission part 23, and a corresponding groove 233 may be provided on the wedge block 4.

[0050] In this embodiment, the surface of the wedge block 4 is recessed to form a receiving groove 42, and a protrusion 43 is provided in the middle of the receiving groove 42. One end of the spring 6 is embedded in the receiving groove 42 and sleeved on the protrusion 43. This prevents the spring 6 from detaching from the wedge block 4, strengthens the connection between the spring 6 and the wedge block 4, and also allows the radial component of the spring 6 to be transmitted to the friction block 5 more efficiently through the wedge block 4.

[0051] A spring base 14 is provided inside the housing 1, and the other end of the spring 6 is installed in the spring base 14. In this embodiment, the spring base 14 is a groove with baffles on its periphery. During assembly, the lower end of the spring 6 can be placed in the spring base 14 without any extra installation steps, thus improving assembly efficiency.

[0052] In this embodiment, one end of the pedal arm 2 is provided with a mounting part 21. The mounting part 21 includes an I-shaped plate 211, a connecting plate 212 with a certain flexibility, and a wedge-shaped guide block 213. The I-shaped plate 211 is connected to the pedal arm 2 through the connecting plate 212, and the guide block 213 is provided at the bottom of the I-shaped plate 211. The housing 1 is provided with a mounting groove 15 corresponding to the mounting part 21. The bottom of the mounting groove 15 is provided with a slot 16. The I-shaped plate 211 is installed in the mounting groove 15, and the guide block 213 and the slot 16 limit each other.

[0053] During assembly, the I-shaped plate 211 slides into the mounting groove 15. The groove wall of the mounting groove 15 and the inner wall of the I-shaped plate 211 mutually limit each other. When the I-shaped plate 211 moves to the preset installation position, the guide block 213 slides into the slot 16 to complete the installation. There is no need to check whether the installation is in place, and at the same time, the mounting part 21 is prevented from falling out of the mounting groove 15.

[0054] In this embodiment, the connecting plate 212 is made of soft plastic. When the pedal arm 2 is pressed down, the connecting plate 212 can produce different deformations according to different applied forces, so that the pedal arm 2 can rotate around the I-shaped plate 211 at a certain angle.

[0055] This specification uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An accelerator pedal, characterized in that: It includes a housing, a pedal arm, a rotor, a wedge, a spring, and a sensor, wherein the sensor is mounted on the rotor, and the inner wall of the housing forms an arc-shaped friction wall; One end of the pedal arm is mounted on the outside of the housing, and the movable end of the pedal arm extends into the housing with a connecting rod. The end of the connecting rod forms a transversely arranged transmission part. The rotor is rotatably mounted on the housing, and the movable end of the rotor is movably connected to the transmission unit. The two ends of the spring abut against the housing and the wedge respectively. The wedge is disposed between the transmission part and the spring and is slidably mounted on the transmission part. A friction block is also disposed between the wedge and the friction wall, and the friction block abuts against the friction wall through the wedge.

2. An accelerator pedal according to claim 1, characterized in that: The housing has a boss inside, and the rotor includes a rotating part and a support arm. The rotating part is sleeved on the boss, and the support arm can rotate around the axis of the boss.

3. An accelerator pedal according to claim 2, characterized in that: The free end of the support arm is provided with a sliding pin, and the transmission part is provided with a slide rail corresponding to the sliding pin, with the sliding pin movably fitted inside the slide rail.

4. An accelerator pedal according to claim 1, characterized in that: The friction block includes a plug-in portion, and the transmission portion is provided with a slot corresponding to the plug-in portion, with the plug-in portion embedded in the slot.

5. An accelerator pedal according to claim 4, characterized in that: The friction block has a friction part that fits against the friction wall on the side near the friction wall, and an abutment part that fits against the surface of the wedge on the side near the wedge.

6. An accelerator pedal according to claim 1, characterized in that: The friction block and the wedge block are integrally formed.

7. An accelerator pedal according to claim 1, characterized in that: The housing has an opening, and the connecting rod extends into the housing after passing through the opening; the top of the transmission part is in movable contact with the inner wall of the housing around the opening.

8. An accelerator pedal according to claim 1, characterized in that: The transmission part has a groove along its length, and the surface of the wedge block has a slider corresponding to the groove, which is movably fitted in the groove.

9. An accelerator pedal according to claim 1, characterized in that: The surface of the wedge block is recessed to form a receiving groove, and a protruding post is provided in the middle of the receiving groove. One end of the spring is embedded in the receiving groove and sleeved on the protruding post.

10. An accelerator pedal according to claim 1, characterized in that: The pedal arm is provided with a mounting part at one end. The mounting part includes an I-shaped plate, a connecting plate with a certain degree of flexibility, and a wedge-shaped guide block. The I-shaped plate is connected to the pedal arm through the connecting plate, and the guide block is set at the bottom of the I-shaped plate. The housing is provided with an installation groove at the corresponding installation part, and a slot is provided at the bottom of the installation groove. The I-shaped plate is installed in the installation groove, and the guide block and the slot limit each other.

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