Clutch assist pedal

Abstract

The present invention relates to a clutch booster pedal, and belongs to the technical field of automobile parts. It comprises a bracket, a clutch pedal hinged on the bracket through a rotating shaft, a torsion spring arranged on the rotating shaft, a first support column and a second support column on the bracket, a force arm connected to the second support column through a first connecting member, a first connecting groove on the force arm and a first bearing cam arranged through a second connecting member, a connecting rod on the first connecting groove, the first support column and the connecting rod are connected through a tension spring, a second connecting groove is arranged on the clutch pedal, and a second bearing cam which is always in contact with the first bearing cam is arranged in the second connecting groove through a third connecting member; when the clutch pedal is in a reset state, the horizontal axis centerline of the second bearing cam is slightly higher than the horizontal axis centerline of the first bearing cam. The present invention has a simple and compact structure, low cost, and uses the elastic force of the tension spring to replace the foot pedaling force during the pedaling process, thereby saving a lot of effort.

Description

Technical Field

[0001] The invention relates to a clutch booster pedal and belongs to the technical field of automobile parts. Background Art

[0002] Existing clutch pedal 6 is as follows Figure 3 As shown, the rotating shaft 2 is directly hinged on the bracket 1, and a torsion spring 4 is arranged on the rotating shaft 2 to limit the clutch pedal 6. The terminal 5 is connected to the clutch by a wire rope. When changing gears or stopping temporarily at a traffic light, it is necessary to release the accelerator pedal 23 and step on the clutch pedal 6 with a large force to make the actuator drive the clutch to open. The existing clutch pedal requires a large force during the stepping process, and the force can only be gradually increased or the same force is used during the whole stepping process. Once the force is reduced, the clutch pedal 6 is reset under the elastic force of the clutch reset spring, and the clutch is attached, causing the car to stall or move forward. That is, the existing clutch pedal is very labor-intensive when stepped on, and driving in congested urban blocks is more tiring. Summary of the invention

[0003] In order to overcome the defects in the prior art, the object of the present invention is to provide a clutch booster pedal which has a simple and compact structure, low cost and is very labor-saving during pedaling.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: it includes a bracket, a clutch pedal hinged on the bracket through a rotating shaft, a torsion spring arranged on the rotating shaft, a first support column and a second support column are arranged on the bracket, a force arm is connected to the second support column through a first connecting member, a first connecting groove is arranged on the force arm and a first bearing cam is arranged through a second connecting member, a connecting rod is fixed on the first connecting groove, the first support column and the connecting rod are connected through a tension spring, a second connecting groove is arranged on the clutch pedal, and the second connecting groove is provided with a second bearing cam that is always in contact with the first bearing cam through a third connecting member; when the clutch pedal is in a reset state, the horizontal axis centerline of the second bearing cam is slightly higher than the horizontal axis centerline of the first bearing cam.

[0005] An adjusting screw rod connected to the tension spring is also arranged between the first supporting column and the connecting rod.

[0006] The first connecting groove and the second connecting groove are waist-shaped grooves; the first connecting member, the second connecting member and the third connecting member are bolts and nuts.

[0007] The bracket is provided with a limit plate and a limit rod, the limit plate is provided with a limit column, and the clutch pedal is provided with a limit block corresponding to the limit column.

[0008] The limiting column is a stud.

[0009] A wiring groove is arranged at the rear end of the clutch pedal.

[0010] Compared with the prior art, the present invention has the following beneficial effects due to the adoption of the above technical scheme: in the reset state, the second bearing cam is located directly behind the first bearing cam, and the horizontal axis centerline of the second bearing cam is slightly higher than the horizontal axis centerline of the first bearing cam, and the tension spring is adjusted to be in a stretched state, so that the second bearing cam presses the first bearing cam forward to limit the first bearing cam, thereby ensuring that the clutch pedal is in a stable state; when the clutch pedal is stepped down, the second bearing cam moves downward relative to the first bearing cam, and the first bearing cam moves upward relatively, and the height of the horizontal axis centerline of the first bearing cam is lower than the height of the horizontal axis centerline of the second bearing cam. During the process, the foot needs to provide a pedal force to overcome the elastic force of the tension spring to step down the second bearing cam; but when the horizontal axis of the second bearing cam and the first bearing cam are on the same horizontal line, the first bearing cam presses the second bearing cam downward under the elastic force of the tension spring, and the elastic force of the tension spring replaces the pedal force of the foot. When the second bearing cam moves downward relative to the first bearing cam to just below the first bearing cam, the actuator drives the clutch to open. During this process, since the elastic force of the tension spring replaces the pedal force of the foot, the foot hardly needs to provide a pedal force. As long as you lightly lean on the clutch pedal, the clutch pedal can be pressed to the bottom by the elastic force of the tension spring, which is very labor-saving. Moreover, the size of the pedal force can be adjusted by adjusting the tension spring and the force arm to meet the needs of different individuals.

[0011] The first connecting groove is a waist-shaped groove, which is convenient for adjusting the size of the force arm. The second connecting groove is a waist-shaped groove, which is convenient for adjusting the relative position of the axis of the second bearing cam and the first bearing cam, so that the size of the pedaling force can be controlled according to actual needs. An adjusting screw connected to the tension spring is also provided between the first support column and the connecting rod, which can adjust the stretching degree of the tension spring. When the spring is stretched longer and the elastic force is greater, the force of the first bearing cam pressing the second bearing cam downward during recovery is greater, and the required foot pressure is smaller. The limit column is a stud, which is convenient for adjusting the height of the clutch pedal. The longer the limit column is, the lower the reset height of the clutch pedal is. Conversely, the shorter the limit column is, the higher the reset height of the clutch pedal is.

[0012] In short, the present invention has a simple and compact structure and low cost. During the pedaling process, the elastic force of the tension spring is used instead of the pedaling force of the foot, which saves a lot of effort and solves the problem of leg soreness caused by long-term and frequent pedaling of the clutch pedal. Even in traffic-congested urban blocks, driving can be easy and enjoyable, greatly reducing the probability of vehicle stalling and traffic accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention;

[0014] Figure 2 It is a left side view of the present invention;

[0015] Figure 3 It is a schematic diagram of the clutch pedal structure in the prior art;

[0016] In the figure: bracket 1, rotating shaft 2, limiting rod 3, torsion spring 4, wiring slot 5, clutch pedal 6, adjusting screw 7, connecting rod 8, first connecting slot 9, first connecting member 10, first bearing cam 11, second connecting member 12, second bearing cam 13, third connecting member 14, limiting block 15, limiting column 16, limiting plate 17, tension spring 18, first support column 19, force arm 20, second support column 21, second connecting slot 22, accelerator pedal 23. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0018] like Figures 1-2 As shown: it includes a bracket 1, a clutch pedal 6 hinged on the bracket through a rotating shaft 2, a torsion spring 4 arranged on the rotating shaft 2, a first support column 19 and a second support column 21 are arranged on the bracket 1, and a force arm 20 is connected to the second support column through a first connecting member 10, a first connecting groove 9 is arranged on the force arm, and a first bearing cam 11 is arranged through a second connecting member 12, a connecting rod 8 is fixed on the first connecting groove 9, the first support column 19 and the connecting rod 8 are connected through a tension spring 18, a second connecting groove 22 is arranged on the clutch pedal 6, and the second connecting groove 22 is provided with a second bearing cam 13 that is always in contact with the first bearing cam 11 through a third connecting member 14; when the clutch pedal 6 is in a reset state, the horizontal axis centerline of the second bearing cam 13 is slightly higher than the horizontal axis centerline of the first bearing cam 11.

[0019] In order to conveniently adjust the stretched length of the tension spring 18 according to actual needs, thereby adjusting the elastic force of the tension spring 18, an adjusting screw 7 connected to the tension spring 18 is further provided between the first support column 19 and the connecting rod 8. When the stretched length of the tension spring 18 is longer, the elastic force is greater, and the force of the first bearing cam 11 pressing the second bearing cam 13 downward when the tension spring 18 is restored is greater, and the required foot pressure is smaller. Conversely, when the stretched length of the tension spring 18 is shorter, the elastic force is smaller, and the force of the first bearing cam 11 pressing the second bearing cam 13 downward when the tension spring 18 is restored is smaller, and the required foot pressure is greater.

[0020] In order to facilitate the adjustment of the size of the force arm, the first connecting groove 9 is a waist-shaped groove; in order to facilitate the adjustment of the relative position of the axis of the second bearing cam 12 and the first bearing cam 11, so that the size of the pedaling force can be adjusted according to actual needs, the second connecting groove 22 is a waist-shaped groove; the second connecting groove 22 is a waist-shaped groove, when the second bearing cam 13 is worn, it is also convenient to adjust the size of the force during maintenance and replacement; in order to facilitate assembly and disassembly, the first connecting member 10, the second connecting member 12, and the third connecting member 14 are bolts and nuts.

[0021] The bracket 1 is provided with a limit plate 17 and a limit rod 3, the limit plate 17 is provided with a limit column 16, and the clutch pedal 6 is provided with a limit block 15 corresponding to the limit column 16. The limit rod 3 prevents the rear end of the clutch pedal from moving upward to the maximum extent (i.e., the front end of the clutch pedal moves downward to the maximum extent), and the clutch pedal is limited downward; the limit column 16 provided on the limit plate 17 performs an upper limit on the limit block 15 to prevent the clutch pedal from turning upward.

[0022] In order to facilitate the adjustment of the height of the clutch pedal 6, the limiting column 16 is a stud. The longer the limiting column 16 is, the lower the reset height of the clutch pedal 6 is. Conversely, the shorter the limiting column is, the higher the reset height of the clutch pedal 6 is.

[0023] In order to facilitate the connection of the clutch pedal to the clutch by a connecting line such as a wire rope, a wiring groove 5 is provided at the rear end of the clutch pedal 6 .

[0024] The working principle is as follows: when the clutch pedal 6 is in the reset state (i.e. not stepped on), the second bearing cam 13 is located directly behind the first bearing cam 11, and the horizontal axis of the second bearing cam 13 is slightly higher than the horizontal axis of the first bearing cam 11, and the A1 point of the first bearing cam 11 contacts the A2 point of the second bearing cam, and the tension spring 18 is adjusted to be in a stretched state, so that the second bearing cam 13 presses the first bearing cam 11 forward to limit the first bearing cam 11, thereby ensuring that the clutch pedal 6 is in a stable state; when the clutch pedal is stepped on downward, the second bearing cam 13 moves downward relative to the first bearing cam 11, and the first bearing cam 11 moves upward relatively. In the process that the height of the horizontal axis of the first bearing cam 11 is lower than the height of the horizontal axis of the second bearing cam, the foot needs to provide a pedaling force to overcome the elastic force of the tension spring 18 to step down the second bearing cam 13. When the horizontal axis of the second bearing cam 13 and the horizontal axis of the first bearing cam 11 are on the same horizontal line, the first bearing cam 11 begins to press the second bearing cam 13 downward under the elastic force of the tension spring 18. At this time, the elastic force of the tension spring 18 replaces the pedaling force of the foot. When the second bearing cam 13 moves downward relative to the first bearing cam 11 to just below the first bearing cam 11, when point B2 contacts point B1, the actuator drives the clutch to fully open. Since the elastic force of the tension spring 18 replaces the pedaling force of the foot, it is very labor-saving when pedaling. The present invention is applicable to any vehicle type and can be widely promoted and applied.

Claims

1. A clutch booster pedal, comprising a bracket (1), a clutch pedal (6) hinged to the bracket via a rotating shaft (2), and a torsion spring (4) arranged on the rotating shaft (2), characterized in that: The bracket (1) is provided with a first support column (19) and a second support column (21); the second support column is connected to a force arm (20) via a first connecting member (10); the force arm is provided with a first connecting groove (9) in a waist-shaped structure and a first bearing cam (11) is provided via a second connecting member (12); a connecting rod (8) is fixed to the first connecting groove (9); the first support column (19) and the connecting rod (8) are connected via a tension spring (18) and an adjusting screw (7) connected to the tension spring; a second connecting groove (22) in a waist-shaped structure is provided on the clutch pedal (6); the second connecting groove is provided with a second bearing cam (13) which is in constant contact with the first bearing cam (11) via a third connecting member (14); when the clutch pedal (6) is in a reset state, the horizontal axis of the second bearing cam (13) is slightly higher than the horizontal axis of the first bearing cam (11); A limit plate (17) and a limit rod (3) are also provided on the bracket (1); a limit column (16) is provided on the limit plate (17); a limit block (15) corresponding to the limit column (16) is provided on the clutch pedal (6); and a wiring slot (5) is provided at the rear end of the clutch pedal (6).

2. The clutch booster pedal according to claim 1, characterized in that: The limiting column (16) is a stud.

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