A combined pedal assembly for a medium-sized commercial vehicle

Abstract

The utility model relates to the field of brake pedals, and discloses a combined pedal assembly for a medium-sized commercial vehicle, comprising a pedal bracket (1) and a support shaft (2), wherein a support is arranged on the inner side of the pedal bracket (1), and both ends of the support shaft (2) are fixed to the pedal bracket (1) by being mounted on the support, and further comprising a rotating sleeve (6) sleeved on the support shaft (2), wherein the clutch pedal assembly and the brake pedal assembly are fixedly mounted on the rotating sleeve (6), and a limit bracket is fixedly arranged on the rotating sleeve (6), and a sensor switch (8) is arranged on the pedal bracket (1), and the limit bracket is driven to move during the rotation of the pedal arm, and when the limit bracket rotates and is located in the sensor sensing area, the sensor switch outputs a corresponding switch signal. The assembly has the advantages of convenient installation, simple maintenance, long service life, etc.

Description

Technical Field

[0001] The utility model relates to the field of pedals, in particular to a combined pedal assembly for a medium-sized commercial vehicle. Background Art

[0002] In the pedal assembly of medium-sized commercial vehicles, a separate welded brake pedal assembly and a clutch pedal assembly are often used. The structure in which the brake pedal assembly and the clutch pedal assembly are connected by a bracket is prone to complex and difficult to arrange structures, and the structures are prone to deformation. For example, Chinese patent CN203126527U discloses a combined pedal assembly for automobiles, which discloses the above structure, and most of them use a pedal return method in which a torsion spring and an axle tube are matched, resulting in obvious abnormal pedal noise when the brake and clutch pedals are working; most brake and clutch switches are designed on the pedal bracket, which makes assembly and adjustment difficult, and the switch line is prone to interfere with parts such as the pedal arm, resulting in damage to the switch. Utility Model Content

[0003] The utility model aims at the shortcomings of the prior art and provides a combined pedal assembly for a medium-sized commercial vehicle.

[0004] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0005] A medium-sized commercial vehicle combined pedal assembly includes a pedal bracket and a support shaft. A support is arranged on the inner side of the pedal bracket. Both ends of the support shaft are fixed to the pedal bracket by being mounted on the support. The pedal bracket also includes a rotating sleeve sleeved on the support shaft. The clutch pedal assembly and the brake pedal assembly are fixedly mounted on the rotating sleeve. A limit bracket is fixedly arranged on the rotating sleeve. A sensor switch is arranged on the pedal bracket. The limit bracket is driven to move during the rotation of the pedal arm. When the limit bracket rotates and is located in different areas around the sensor, the sensor switch outputs a corresponding switch signal.

[0006] Preferably, there are three supports, including support one at the left end, support two at the right end and support three in the middle. The support shaft passes through support one, support two and support three. The rotating sleeve includes sleeve one and sleeve two. Sleeve one is arranged on the support shaft between support one and support three, and sleeve two is arranged on the support shaft between support two and support three. The limit bracket includes a clutch limit bracket and a brake limit bracket. The clutch limit bracket is installed on sleeve one, and the brake limit bracket is installed on sleeve two.

[0007] Preferably, the sensor switch includes a clutch switch and a brake switch, the clutch switch is located on the rotation path of the clutch limit bracket, and the brake switch is located on the path of the brake limit bracket.

[0008] Preferably, one end of the clutch limit bracket is used for inductive connection with the clutch switch, and the other end extends a limit head for limiting the initial position. A limit column is provided on the pedal bracket, and the limit head initially contacts the limit column.

[0009] Preferably, the structure of the limit bracket used to connect with the sensor switch is a baffle structure formed by bending.

[0010] Preferably, it further comprises a switch bracket, which is fixedly mounted on the pedal bracket, and the sensor switch is mounted on the switch bracket.

[0011] Preferably, it also includes a clutch swing arm and a brake swing arm. The clutch swing arm is fixedly connected to sleeve one and moves synchronously with sleeve one. The brake swing arm is fixedly connected to sleeve two. One end of the brake swing arm is connected to the brake valve 22, and the other end is connected to the return spring. When braking, the brake swing arm rotates to press down the return spring.

[0012] Preferably, the pedal bracket is a one-piece cast aluminum structure.

[0013] The utility model adopts a pedal bracket formed of cast aluminum in one piece, which has a simple structure and light weight, avoiding welding deformation; the bracket has high strength and is not easy to deform after being stressed, ensuring the stability of the brake pedal assembly. The utility model adopts a new pedal arm bending structure, which not only meets the strength of the brake pedal arm but also meets the pedal limit; the utility model also uses a stamping part to simultaneously position the clutch switch and the brake switch, ensuring the simple structure of the brake pedal assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a structural diagram of the pedal assembly.

[0015] Figure 2 The figure is a structural diagram of the pedal assembly.

[0016] Figure 3 It is a schematic diagram of the matching structure of the clutch pedal arm, support shaft, sleeve 1 and clutch switch.

[0017] The technical names of the accompanying drawings are: 1-pedal bracket, 2-support shaft, 3-support, 6-rotating sleeve, 7-support one, 8-support two, 9-support three, 12-sleeve one, 13-sleeve two, 14-clutch limit bracket, 15-brake limit bracket, 16-clutch switch, 17-brake switch, 18-switch bracket, 19-clutch swing arm, 20-brake swing arm, 21-return spring, 22-brake valve 22, 23-clutch pump 23, 24-baffle structure. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] Example 1

[0020] A medium-sized commercial vehicle combined pedal assembly includes a pedal bracket 1 and a support shaft 2. A support is provided on the inner side of the pedal bracket 1. The two ends of the support shaft 2 are fixed to the pedal bracket 1 by being mounted on the support. It also includes a rotating sleeve 6 sleeved on the support shaft 2. The clutch pedal assembly and the brake pedal assembly are fixedly mounted on the rotating sleeve 6. A limit bracket is fixedly provided on the rotating sleeve 6. A sensor switch is provided on the pedal bracket 1. The limit bracket is driven to move during the rotation of the pedal arm. When the limit bracket rotates and is located in different areas around the sensor, the sensor switch outputs a corresponding switch signal. In this solution, the pedal bracket 1 is a cast aluminum one-piece molding structure, in which the end of the support shaft 2 is fixed by a limit spring. The sensor switch has a sensing area. When the limit bracket moves to the sensing area, the sensor switch outputs a corresponding positive signal. When the limit bracket moves away from the sensing area, the sensor switch disconnects and outputs a disconnect signal.

[0021] Since the pedal assembly of the present solution is a combined pedal assembly, the number of the supports is three, including support 1 7 at the left end, support 2 8 at the right end, and support 3 9 in the middle. The support shaft 2 runs through support 1 7, support 2 8, and support 3 9. The rotating sleeve 6 includes sleeve 1 12 and sleeve 2 13. Sleeve 1 12 is sleeved on the support shaft 2 between support 1 7 and support 3 9. Sleeve 2 13 is sleeved on the support shaft 2 between support 2 8 and support 3 9. The limit bracket includes clutch limit bracket 14 and brake limit bracket 15. The clutch limit bracket 14 is installed on sleeve 1 12, and the brake limit bracket 15 is installed on sleeve 2 13. Sleeve 1 12 and sleeve 2 13 are independently arranged, and the two do not interfere with each other.

[0022] The sensor switch includes a clutch switch 16 and a brake switch 17 . The clutch switch 16 is located on the rotation path of the clutch limit bracket 14 , and the brake switch 17 is located on the path of the brake limit bracket 15 .

[0023] In this embodiment, one end of the clutch limit bracket 14 is used for inductive connection with the clutch switch 16, and the other end extends a limit head for limiting the initial position. A limit column is provided on the pedal bracket 1, and the limit head initially contacts the limit column. The structure of the limit bracket used to connect with the sensor switch is a baffle structure 24 formed by bending.

[0024] It also includes a switch bracket 18, which is fixedly mounted on the pedal bracket 1, and a sensor switch is mounted on the switch bracket 18. The position of the sensor switch can be adjusted as needed to meet the needs.

[0025] In order to realize linkage with the brake valve 22 and the clutch pump 23, the said also includes a clutch swing arm 19 and a brake swing arm 20. The clutch swing arm 19 is fixedly connected to the sleeve 12 and moves synchronously with the sleeve 12. The brake swing arm 20 is fixedly connected to the sleeve 2 13. One end of the brake swing arm 20 is connected to the brake valve 22, and the other end is connected to the return spring 21. When braking, the brake swing arm 20 rotates to press down the return spring 21. One end of the return spring 21 is supported on the assembly bracket, and the other end is supported on the brake swing arm 20. Compared with the traditional torsion spring structure set on the rotating sleeve 6, this kind of return spring 21 structure has the advantages of stable and reliable return, low failure rate, and long service life. The pedal bracket 1 is a cast aluminum one-piece structure.

[0026] Example 2

[0027] On the basis of Example 1, the shape of the support is provided with a sheet structure having a triangular cross-section.

[0028] Example 3

[0029] A vehicle is equipped with the above brake pedal assembly.

Claims

1. A combined pedal assembly for a medium-sized commercial vehicle, characterized in that: The invention comprises a pedal bracket (1) and a support shaft (2), wherein a support is arranged on the inner side of the pedal bracket (1), and both ends of the support shaft (2) are fixed to the pedal bracket (1) by being mounted on the support. The invention also comprises a rotating sleeve (6) sleeved on the support shaft (2), wherein the clutch pedal assembly and the brake pedal assembly are fixedly mounted on the rotating sleeve (6), and a limit bracket is fixedly arranged on the rotating sleeve (6). A sensor switch is arranged on the pedal bracket (1), and the limit bracket is driven to move during the rotation of the pedal arm. When the limit bracket rotates and is located in different areas around the sensor, the sensor switch outputs a corresponding switch signal.

2. A medium-sized commercial vehicle combined pedal assembly according to claim 1, characterized in that: The number of supports is three, including a support 1 (7) at the left end, a support 2 (8) at the right end and a support 3 (9) in the middle. The support shaft (2) passes through the support 1 (7), the support 2 (8) and the support 3 (9). The rotating sleeve (6) includes a sleeve 1 (12) and a sleeve 2 (13). The sleeve 1 (12) is sleeved on the support shaft (2) between the support 1 (7) and the support 3 (9). The sleeve 2 (13) is sleeved on the support shaft (2) between the support 2 (8) and the support 3 (9). The limit bracket includes a clutch limit bracket (14) and a brake limit bracket (15). The clutch limit bracket (14) is installed on the sleeve 1 (12), and the brake limit bracket (15) is installed on the sleeve 2 (13).

3. A medium-sized commercial vehicle combined pedal assembly according to claim 2, characterized in that: The sensor switch comprises a clutch switch (16) and a brake switch (17); the clutch switch (16) is located on the rotation path of the clutch limit bracket (14); and the brake switch (17) is located on the path of the brake limit bracket (15).

4. A medium-sized commercial vehicle combined pedal assembly according to claim 3, characterized in that: One end of the clutch limit bracket (14) is used for inductive connection with the clutch switch (16), and the other end extends a limit head for limiting the initial position. A limit column is arranged on the pedal bracket (1), and the limit head is initially in contact with the limit column.

5. The medium-sized commercial vehicle combined pedal assembly according to claim 1, characterized in that: The structure of the limit bracket used for connecting with the sensor switch is a baffle structure (24) formed by bending.

6. The medium-sized commercial vehicle combined pedal assembly according to claim 1, characterized in that: It also includes a switch bracket (18), which is fixedly mounted on the pedal bracket (1), and a sensor switch is mounted on the switch bracket (18).

7. The medium-sized commercial vehicle combined pedal assembly according to claim 2, characterized in that: It also includes a clutch swing arm (19) and a brake swing arm (20). The clutch swing arm (19) is fixedly connected to the first sleeve (12) and moves synchronously with the first sleeve (12). The brake swing arm (20) is fixedly connected to the second sleeve (13). One end of the brake swing arm (20) is connected to the brake valve 22, and the other end is connected to the return spring (21). When braking, the brake swing arm (20) rotates to press down the return spring (21).

8. The medium-sized commercial vehicle combined pedal assembly according to claim 2, characterized in that: The pedal bracket (1) is a cast aluminum integrally formed structure.

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