CN112277639B - Spacing damping device of separation and reunion footboard and car - Google Patents

Abstract

The invention belongs to the technical field of automobile clutch pedals, and relates to a limiting and damping device for a clutch pedal and an automobile. This spacing damping device of separation and reunion footboard includes separation and reunion switch, fixed bolster, swing support and shock attenuation module, separation and reunion switch installs on the fixed bolster, swing support rotates to be connected on the fixed bolster, shock attenuation module installs on the swing support, shock attenuation module with separation and reunion switch rolling contact. The spacing damping device of this separation and reunion footboard can avoid among the prior art sliding friction between separation and reunion switch's push rod contact point and the separation and reunion switch trigger support to reduce the friction abnormal sound and improve durability.

Description

Spacing damping device of separation and reunion footboard and car

Technical Field

The invention belongs to the technical field of automobile clutch pedals, and particularly relates to a limiting and damping device for a clutch pedal and an automobile.

Background

As shown in fig. 1 and 2, a clutch pedal limiting and damping device currently used in the automotive field mainly includes a pedal arm 1a, an upper limiting bracket 2a, a clutch housing 3a, a clutch switch mounting bracket 4a, a clutch switch 5a, and a clutch switch triggering bracket 6a, wherein the upper limiting bracket 2a and the clutch switch triggering bracket 6a are welded to the pedal arm 1a, the clutch switch mounting bracket 4a is welded to the clutch housing 3a, and the clutch switch 5a is mounted to the clutch switch mounting bracket 4 a. The limiting and damping device for the clutch pedal achieves limiting through an upper limiting structure consisting of an upper limiting support 2a and a clutch switch mounting support 4a, and achieves mounting of a clutch switch and triggering of a clutch switch signal through the clutch switch mounting support 4a and a clutch switch triggering support 6 a.

However, the clutch pedal limit damping device has the following disadvantages:

(1) the clutch switch and the clutch switch trigger bracket generate sliding friction in the relative movement process, the sliding friction distance is b (shown in figure 2), abnormal sound is easy to generate, and the abnormal sound possibility is very high particularly after millions of times of durability.

(2) The clutch switch trigger bracket and the upper limiting bracket are welded on the pedal arm to form two cantilever structures with the lengths of c and d (as shown in figure 1), the bracket is easy to deform in the limiting stress process (particularly after millions of times of durability), and poor limiting can be caused due to the fact that the rigidity of the bracket is weak.

(3) The design has solitary support to every function, and part quantity is more relatively, and weight and cost do not have the advantage, and later stage quality management and control input need increase.

(4) The clutch switch mounting structure has no in-place mounting reminding function.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: to the technical problem that the existing clutch pedal limiting and damping device easily generates abnormal sound, the clutch pedal limiting and damping device and the automobile are provided.

In order to solve the technical problem, on one hand, an embodiment of the invention provides a limiting and damping device for a clutch pedal, which comprises a clutch switch, a fixed support, a swing support and a damping module, wherein the clutch switch is installed on the fixed support, the swing support is rotatably connected to the fixed support, the damping module is installed on the swing support, and the damping module is in rolling contact with the clutch switch.

According to the limiting and damping device for the clutch pedal, the damping module is in rolling contact with the clutch switch, so that sliding friction between a push rod contact point of the clutch switch and a trigger bracket of the clutch switch in the prior art is avoided, friction noise is reduced, and durability is improved. In addition, the limiting and damping device for the clutch pedal reduces the number of parts and achieves the purposes of reducing weight and cost.

Optionally, the damping module includes gyro wheel module and annular shock pad, the shock pad fixed connection be in on the swing support, the gyro wheel module rotates to be connected on the swing support, the fixed bolster with the shock pad butt, the gyro wheel module with clutch switch rolling contact.

Optionally, a plurality of protruding points are arranged on the surface of one side, facing the fixing support, of the shock pad, and the fixing support is abutted to the protruding points.

Optionally, the roller module includes a roller and a roller, the roller is sleeved on the roller, the roller is rotatably connected to the swing bracket, and the roller is in rolling contact with the clutch switch.

Optionally, the swing support includes pedal arm and spacing integrated support that triggers, spacing integrated support fixed connection that triggers is in on the pedal arm, the pedal arm rotates to be connected on the fixed bolster, shock pad fixed connection is in on the spacing integrated support that triggers, the gyro wheel module rotates to be connected on the spacing integrated support that triggers.

Optionally, the spacing integrated support that triggers includes first limiting plate, second limiting plate and connects connecting plate between first limiting plate and the second limiting plate, the shock pad fixed connection be in on the connecting plate, be provided with the opening orientation on the first limiting plate the first spacing groove of shock pad, be provided with the opening orientation on the second limiting plate the second spacing groove of shock pad, the first end of roller bearing spacing in first spacing inslot, the second end of roller bearing spacing in the second spacing inslot.

Optionally, the fixed bracket includes a main bracket and an upper bracket module, the upper bracket module is fixedly connected to the main bracket, and the clutch switch is installed on the upper bracket module.

Optionally, the upper bracket module comprises an upper bracket main body and a limiting sleeve, one end of the upper bracket main body is fixedly connected to the main bracket, and the other end of the upper bracket main body is provided with an insertion hole;

the limiting sleeve is fixedly connected to one side, facing the damping module, of the upper support body, and a third limiting groove and a fourth limiting groove are formed in the limiting sleeve;

the clutch switch comprises a clutch switch main body, and a first lug and a second lug which are arranged on the side wall of the clutch switch main body, wherein the first lug can penetrate through the plug-in hole and is limited in the third limiting groove, and the second lug can penetrate through the plug-in hole and is limited in the fourth limiting groove.

Optionally, the insertion hole includes a central hole portion, a first edge hole portion and a second edge hole portion, and the first edge hole portion and the second edge hole portion extend along a radial direction of the central hole portion and are communicated with the central hole portion;

the limiting sleeve is provided with a first baffle and a second baffle, the first baffle and the second baffle are fixedly connected with the upper bracket main body, a third limiting groove is formed between the first side wall of the first baffle and the first side wall of the second baffle, and a fourth limiting groove is formed between the second side wall of the first baffle and the second side wall of the second baffle;

the clutch switch main body can penetrate through the central hole part and be contained in the cavity of the limiting sleeve, the first protruding block can penetrate through the first edge hole part and be limited in the third limiting groove, and the second protruding block can penetrate through the second edge hole part and be limited in the fourth limiting groove.

On the other hand, the embodiment of the invention also provides an automobile which comprises the clutch pedal limiting and damping device.

Drawings

FIG. 1 is a schematic view of a prior art clutch pedal limit damping device;

FIG. 2 is a schematic view of another angle of a prior art clutch pedal limit cushioning device;

FIG. 3 is a schematic view of a clutch pedal limiting and damping device according to an embodiment of the present invention;

FIG. 4 is a schematic view of another angle of the limiting and shock absorbing device of the clutch pedal according to one embodiment of the present invention;

FIG. 5 is a cross-sectional view taken at A-A in FIG. 2;

FIG. 6 is a schematic view of an upper bracket module of the clutch pedal limiting and shock absorbing device according to an embodiment of the invention;

FIG. 7 is a schematic view of a limit sleeve of an upper bracket module of the limiting and shock-absorbing device for the clutch pedal according to an embodiment of the present invention;

FIG. 8 is a schematic view of a pedal arm and roller module of the clutch pedal limiting and damping device according to an embodiment of the present invention;

FIG. 9 is a schematic view of a cushion of the clutch pedal limiting and cushioning device provided in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of the installation of the limiting and shock absorbing device of the clutch pedal according to one embodiment of the present invention;

fig. 11 is a schematic diagram of the operation of the limiting and damping device for the clutch pedal according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a clutch switch; 11. a clutch switch main body; 12. a first bump; 13. a second bump;

2. fixing a bracket; 21. a main support; 22. an upper bracket module; 221. an upper bracket main body; 2211. inserting holes; 22111. a central hole portion; 22112. a first edge hole portion; 22113. a second edge hole portion; 222. a limiting sleeve; 2221. a third limiting groove; 2222. a fourth limit groove; 2223. a first baffle plate; 2224. a second baffle;

3. a swing bracket; 31. a pedal arm; 32. limiting and triggering the integrated bracket; 321. a first limit plate; 3211. a first limit groove; 322. a second limiting plate; 3221. a second limit groove; 323. a connecting plate; 3231. mounting holes;

4. a shock-absorbing module; 41. a roller module; 411. a roller; 412. a roller; 42. a shock pad; 421. salient points; 422. a clamping head;

l1, first weld location; l2, second weld location; l3, third weld location.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 3 to 11, the limiting and damping device for a clutch pedal according to an embodiment of the present invention includes a clutch switch 1, a fixed bracket 2, a swing bracket 3, and a damping module 4, where the clutch switch 1 is installed on the fixed bracket 2, the swing bracket 3 is rotatably connected to the fixed bracket 2, the damping module 4 is installed on the swing bracket 3, and the damping module 4 is in rolling contact with the clutch switch 1.

According to the limiting and damping device for the clutch pedal, provided by the embodiment of the invention, the damping module 4 is in rolling contact with the clutch switch 1, so that sliding friction between a push rod contact point of the clutch switch and a trigger bracket of the clutch switch in the prior art is avoided, and therefore, friction noise is reduced and the durability is improved. In addition, the limiting and damping device for the clutch pedal reduces the number of parts and achieves the purposes of reducing weight and cost.

In an embodiment, as shown in fig. 5, 8 and 9, the damping module 4 includes a roller module 41 and an annular damping pad 42, the damping pad 42 is fixedly connected to the swing bracket 3, the roller module 41 is rotatably connected to the swing bracket 3, the fixed bracket 2 abuts against the damping pad 42, and the roller module 41 is in rolling contact with the clutch switch 1.

The roller module 41 can avoid sliding friction in the direction of the distance b (as shown in fig. 11) by rotation, effectively reduce abnormal friction sound and rebound sound, and improve durability.

Through setting up the shock pad 42 and make the shock pad 42 with fixed bolster 2 butt reduces shock module 4 with vibrations between the fixed bolster 2, further reduce swing support 3 when the return swing with the vibrations of production between the fixed bolster 2.

In one embodiment, the cushion 42 is an injection molded part.

In an embodiment, as shown in fig. 9, a plurality of protruding points 421 are disposed on a surface of the shock absorbing pad 42 facing the fixing bracket 2, and the fixing bracket 2 abuts against the protruding points 421 to effectively reduce the vibration transmitted to the fixing bracket 2.

In an embodiment, as shown in fig. 8, the roller module 41 includes a roller 411 and a roller 412, the roller 412 is sleeved on the roller 411, the roller 411 is rotatably connected to the swing bracket 3, and the roller 412 is in rolling contact with the clutch switch 1 to reduce friction noise.

In an embodiment, as shown in fig. 3, the swing bracket 3 includes a pedal arm 31 and a limit trigger integrated bracket 32, the limit trigger integrated bracket 32 is fixedly connected to the pedal arm 31, the pedal arm 31 is rotatably connected to the fixed bracket 2, the shock pad 42 is fixedly connected to the limit trigger integrated bracket 32, and the roller module 41 is rotatably connected to the limit trigger integrated bracket 32.

When the pedal arm 31 swings back, the limiting triggering integrated bracket 32 swings synchronously with the pedal arm 31, and in the swinging process, the roller module 41 is in rolling contact with the clutch switch 1 to reduce friction noise. In addition, the structural form of the clutch switch triggering support and the upper limiting support cantilever beam in the prior art is changed, the structural form integrating the clutch switch triggering and the upper limiting structure is designed, and the functional problems caused by poor rigidity of the support and the like are solved.

In an embodiment, as shown in fig. 5, 8 and 9, the limiting and triggering integrated bracket 32 includes a first limiting plate 321, a second limiting plate 322 and a connecting plate 323 connected between the first limiting plate 321 and the second limiting plate 322, the shock pad 42 is fixedly connected to the connecting plate 323, the first limiting plate 321 is provided with a first limiting groove 3211 with an opening facing the shock pad 42, the second limiting plate 322 is provided with a second limiting groove 3221 with an opening facing the shock pad 42, the first end of the roller 411 is limited in the first limiting groove 3211, and the second end of the roller 411 is limited in the second limiting groove 3221, so as to install the shock pad 42 and the roller module 41 on the limiting and triggering integrated bracket 32, and implement installation of the shock absorbing module 4.

In an embodiment, as shown in fig. 8 and 9, a mounting hole 3231 is formed in the connecting plate 323, a snap joint 422 is formed on a side of the shock pad 42 facing the connecting plate 323, and the snap joint 422 is snapped in the mounting hole 3231 to fixedly connect the shock pad 42 to the connecting plate 323.

In one embodiment, as shown in fig. 3, the fixing bracket 2 includes a main bracket 21 and an upper bracket module 22, the upper bracket module 22 is fixedly connected to the main bracket 21, and the clutch switch 1 is mounted on the upper bracket module 22 to implement the mounting of the clutch switch 1.

In one embodiment, the main support 21 is integrally formed by stamping.

In one embodiment, as shown in fig. 5 to 7, the upper bracket module 22 includes an upper bracket main body 221 and a limiting sleeve 222, one end of the upper bracket main body 221 is fixedly connected to the main bracket 21, and the other end of the upper bracket main body 221 is provided with a plug hole 2211.

The limit sleeve 222 is fixedly connected to one side of the upper bracket main body 221 facing the shock absorption module 4, and a third limit groove 2221 and a fourth limit groove 2222 are formed in the limit sleeve 222.

The clutch switch 1 includes a clutch switch main body 11, and a first protrusion 12 and a second protrusion 13 disposed on a side wall of the clutch switch main body 11, wherein the first protrusion 12 can pass through the insertion hole 2211 and is limited in the third limiting groove 2221, and the second protrusion 13 can pass through the insertion hole 2211 and is limited in the fourth limiting groove 2222.

When the clutch switch 1 is installed, the first projection 12 and the second projection 13 of the clutch switch 1 may pass through the insertion hole 2211, and the first projection 12 is located in the third limiting groove 2221, the second projection 13 is located in the fourth limiting groove 2222, at this time, the clutch switch 1 is rotated by using the central axis of the clutch switch 1 as a shaft, so that the first projection 12 is limited in the third limiting groove 2221, and the second projection 13 is limited in the fourth limiting groove 2222, thereby realizing the installation of the clutch switch 1.

At this time, the cushion 42 abuts against a surface of the stopper sleeve 222 on a side facing away from the upper bracket main body 221.

In one embodiment, as shown in fig. 6 and 7, the insertion hole 2211 includes a central hole portion 22111, a first edge hole portion 22112 and a second edge hole portion 22113, and the first edge hole portion 22112 and the second edge hole portion 22113 extend along a radial direction of the central hole portion 22111 and communicate with the central hole portion 22111 to form the insertion hole 2211.

The limiting sleeve 222 is provided with a first baffle 2223 and a second baffle 2224, the first baffle 2223 and the second baffle 2224 are fixedly connected to the upper bracket main body 221, a third limiting groove 2221 is formed between a first side wall of the first baffle 2223 and a first side wall of the second baffle 2224, and a fourth limiting groove 2222 is formed between a second side wall of the first baffle 2223 and a second side wall of the second baffle 2224.

The clutch switch main body 11 can pass through the central hole portion 22111 and be accommodated in the cavity of the limit sleeve 222, the first protrusion 12 can pass through the first edge hole portion 22112 and be limited in the third limit groove 2221, and the second protrusion 13 can pass through the second edge hole portion 22113 and be limited in the fourth limit groove 2222.

When the first protrusion 12 is located in the third limiting groove 2221, the second protrusion 13 is located in the fourth limiting groove 2222, and the clutch switch 1 is rotated by taking the central axis of the clutch switch 1 as the axis, the first protrusion 12 gradually rotates from a position close to the second stop 2224 to a position close to the first stop 2223, and the second protrusion 13 gradually rotates from a position close to the first stop 2223 to a position close to the second stop 2224. When the first projection 12 abuts against the second stop 2224 and the second projection 13 abuts against the first stop 2223, the assembler can be reminded that the device is installed in place.

The assembly relation of the limiting and damping device for the clutch pedal provided by the embodiment of the invention is as follows:

as shown in fig. 10, first, the limit trigger integrated bracket 32 is welded to the pedal arm 31 along a third welding position L3, and the roller module 41 and the shock absorbing pad 42 are sequentially mounted on the limit trigger integrated bracket 32, so that the swing bracket 3 and the shock absorbing module 4 are mounted. Then, the upper bracket module 22 is welded to the main bracket 21 at a first welding position L1 and a second welding position L2, and then the clutch switch 1 is mounted on the upper bracket module 22, and then the clutch switch 1 and the fixed bracket 2 are mounted by rotating 90 ° counterclockwise. And finally, mounting the mounted swing support 3 and the mounted damping module 4 on the main support 21 to realize the assembly of the clutch pedal limiting and damping device.

The working principle of the clutch pedal limiting and damping device provided by the embodiment of the invention is as follows:

as shown in fig. 11, when the pedal arm 31 returns to the push rod limit position of the clutch switch 1 (the push rod of the clutch switch 1 can extend and contract by a distance a), the roller module 41 and the push rod of the clutch switch 1 start to contact, and as the pedal arm 31 continues to return, the roller 412 of the roller module 41 simultaneously rotates around the pedal arm 31 and rotates around the rotating shaft of the roller 412 until the shock absorbing pad 42 and the limit sleeve 222 of the upper bracket module 22 contact for limiting, and the return movement of the pedal arm 31 is finished.

The automobile provided by the embodiment of the invention comprises the clutch pedal limiting and damping device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A spacing damping device of a clutch pedal is characterized by comprising a clutch switch, a fixed support, a swinging support and a damping module, wherein the clutch switch is installed on the fixed support;

the damping module comprises a roller module and an annular damping pad, the damping pad is fixedly connected to the swing support, the roller module is rotatably connected to the swing support, the fixed support is abutted to the damping pad, and the roller module is in rolling contact with the clutch switch.

2. The spacing damping device of clutch pedal according to claim 1, characterized in that a plurality of salient points are arranged on one side surface of the damping pad facing the fixing bracket, and the fixing bracket is abutted with the salient points.

3. The spacing shock absorber of clutch pedal of claim 1, wherein the roller module comprises a roller and a roller, the roller is sleeved on the roller, the roller is rotatably connected to the swing bracket, and the roller is in rolling contact with the clutch switch.

4. The spacing shock absorber of clutch pedal according to claim 3, wherein said swing bracket comprises a pedal arm and a spacing trigger integrated bracket, said spacing trigger integrated bracket is fixedly connected to said pedal arm, said pedal arm is rotatably connected to said fixed bracket, said shock pad is fixedly connected to said spacing trigger integrated bracket, and said roller module is rotatably connected to said spacing trigger integrated bracket.

5. The spacing damping device of clutch pedal of claim 4, characterized in that, the spacing trigger integrated bracket includes a first limiting plate, a second limiting plate and a connecting plate connected between the first limiting plate and the second limiting plate, the shock pad is fixedly connected on the connecting plate, the first limiting plate is provided with a first limiting groove with an opening facing the shock pad, the second limiting plate is provided with a second limiting groove with an opening facing the shock pad, the first end of the roller is limited in the first limiting groove, and the second end of the roller is limited in the second limiting groove.

6. The spacing damping device of clutch pedal of claim 1, wherein the fixed bracket comprises a main bracket and an upper bracket module, the upper bracket module is fixedly connected to the main bracket, and the clutch switch is mounted on the upper bracket module.

7. The spacing damping device of clutch pedal of claim 6, characterized in that the upper bracket module comprises an upper bracket main body and a spacing sleeve, one end of the upper bracket main body is fixedly connected to the main bracket, and the other end of the upper bracket main body is provided with a plug hole;

the limiting sleeve is fixedly connected to one side, facing the damping module, of the upper support body, and a third limiting groove and a fourth limiting groove are formed in the limiting sleeve;

the clutch switch comprises a clutch switch main body, and a first lug and a second lug which are arranged on the side wall of the clutch switch main body, wherein the first lug can penetrate through the plug-in hole and is limited in the third limiting groove, and the second lug can penetrate through the plug-in hole and is limited in the fourth limiting groove.

8. The spacing and cushioning device of claim 7, wherein said insertion aperture comprises a central aperture portion, a first edge aperture portion and a second edge aperture portion, said first and second edge aperture portions extending radially of said central aperture portion and communicating with said central aperture portion;

the limiting sleeve is provided with a first baffle and a second baffle, the first baffle and the second baffle are fixedly connected with the upper bracket main body, a third limiting groove is formed between the first side wall of the first baffle and the first side wall of the second baffle, and a fourth limiting groove is formed between the second side wall of the first baffle and the second side wall of the second baffle;

the clutch switch main body can penetrate through the central hole part and be contained in the cavity of the limiting sleeve, the first protruding block can penetrate through the first edge hole part and be limited in the third limiting groove, and the second protruding block can penetrate through the second edge hole part and be limited in the fourth limiting groove.

9. An automobile, characterized by comprising the clutch pedal limit shock absorber of any one of claims 1 to 8.

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