CN221033910U - Noise reduction structure of automobile gear shifting sheet - Google Patents

Abstract

The utility model relates to a noise reduction structure of an automobile gear shifting sheet, which comprises a mounting seat and a gear shifting button, wherein the gear shifting button comprises a shifting sheet and a base, the gear shifting button is rotatably arranged on the mounting seat through a rotating shaft, conductive rubber and a circuit board are arranged in the mounting seat, the conductive rubber is provided with a bulge part for resetting the gear shifting button, conductive particles are arranged in the bulge part, the gear shifting button is pressed down, the conductive particles are in contact with the circuit board to realize signal conduction, one side of the conductive rubber is extended to be provided with a buffer part, and when the gear shifting button is reset, the base is provided with a percussion part capable of realizing noise reduction through the contact of the buffer part. By adopting the technical scheme, the utility model provides the noise reduction structure of the automobile gear shifting sheet, the conductive rubber utilizes the elastic characteristics of the conductive rubber, resets the gear shifting button and is in soft conflict with the rebound beating part, the problem of plate beating noise is solved, and meanwhile, the conductive rubber integrally forms the bulge part and the buffer part, so that the material cost is reduced.

Description

Noise reduction structure of automobile gear shifting sheet

Technical Field

The utility model relates to the technical field of gear shifting sheets, in particular to a noise reduction structure of an automobile gear shifting sheet.

Background

The gear shifting sheet is gear shifting equipment installed on the semi-automatic clutch of the automobile, and the gear shifting device is used for realizing gear shifting by directly shifting the gear shifting sheet without stepping the clutch by foot. This device is widely used in racing vehicles. The shifting plectrum is used as a quick shifting device, so that the operability of driving can be improved to a great extent. The shift blade is typically located behind the steering wheel. When actuating the shift lever, the driver generally only has to push the gear into D, S or a manual mode. By using the gear shifting sheet, the driver can finish the up-down gear operation without leaving the steering wheel by both hands. Because the shifting sheet is positioned at the rear side of the steering wheel, the shifting sheet is convenient to change and has high efficiency. The shift blade has two forms: fixed and follow-up. Fixed type: the fixed shift sheet and the instrument desk are kept static, namely, in the steering process, the steering wheel rotates and the shift sheet is static. Follow-up type: the follow-up gear shifting sheet and the steering wheel are kept static, namely, the gear shifting sheet and the steering wheel integrally rotate at the same time in the steering process.

When shifting the plectrum, because the resilience of the plectrum of shifting of car can appear beating the board noise, influence user's driving comfort level, among the prior art, in order to solve and beat the board noise, common measure is that the department increases the rubber pad buffering and falls in the string knot of plectrum switch of shifting, and the rubber pad not only increases the processing cost of rubberizing, but also increases the material cost of purchasing the rubber pad, leads to the total cost to increase.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a noise reduction structure of an automobile gear shifting sheet, conductive rubber resets a gear shifting button by utilizing the self elastic characteristics and is in soft contact with a rebound beating part, so that the problem of plate beating noise is solved, and meanwhile, a bulge part and a buffer part are integrally formed by the conductive rubber, so that the material cost is reduced.

The technical scheme of the utility model is as follows: the utility model provides a structure of making an uproar falls in auto shift plectrum, includes mount pad and shift button, shift button includes plectrum and base, and the base is located the mount pad, and the plectrum exposes in the mount pad top and one side extends to the mount pad outside, shift button rotates through the pivot and sets up on the mount pad, be equipped with conductive rubber and circuit board in the mount pad, conductive rubber is equipped with the bellying that is used for resetting shift button, is equipped with conductive particle in the bellying, pushes down shift button, and conductive particle and circuit board contact realize signal conduction, conductive rubber one side extends and is equipped with the buffer, when shift button resets, the base is equipped with the percussion portion that can make an uproar falls with the buffer contact realization.

By adopting the technical scheme, the finger presses the shifting piece to drive the shifting button to rotate relative to the mounting seat, because the lever principle is adopted, the rotating shaft is adopted as a fulcrum, the shifting piece is pressed downwards to enable conductive particles on the bulge to be in contact with the circuit board to realize the conduction of shifting signals, meanwhile, the tapping part is away from the buffer part, after the finger is loosened, the bulge resets the shifting button, the tapping part is close to the buffer part and is in contact with the buffer part, thereby realizing the reduction of the noise generated by the tapping, the conductive rubber utilizes the elastic characteristics of the conductive rubber, resets the shifting button and is in soft contact with the rebound tapping part, the problem of the noise of the beating plate is solved, meanwhile, the bulge and the buffer part are integrally formed by the conductive rubber, and the material cost is reduced.

The utility model is further provided with: the pivot sets up in one side in the mount pad, and the lateral wall in the mount pad is equipped with the support frame that is used for supporting the pivot, the bulge sets up in conductive rubber keeps away from support frame one side, buffer unit sets up in the below of support frame, the portion of tapping is equipped with the groove of stepping down that corresponds with the support frame, and the portion of tapping bottom is equipped with the contact surface with buffer unit contact.

Adopt above-mentioned further setting, the support frame is equipped with the perforation that supplies the pivot to pass, the support frame is used for supporting the part in the middle of the pivot, the pivot eccentric setting is in mount pad one side, bulge and circuit board are located the opposite side of mount pad, reasonable in design, assembly space in the mount pad is compact, conductive rubber extends and is equipped with the buffer portion rather than forming the step, buffer portion is located the below of support frame, when the groove of stepping down makes to rebound, the buffer portion can be tapped to the portion of tapping, reasonable in design, the contact surface is located the both sides of the groove notch of stepping down.

Still further, the present utility model provides: the buffer space for the relative movement of the support frame is arranged in the yielding groove, and the notch of the yielding groove is chamfered or rounded.

By adopting the further arrangement, when the gear shifting button rotates, the supporting frame relatively moves away from the groove to do telescopic motion, and when the gear shifting button rebounds, the supporting frame retracts into the position away from the groove, and the buffer part is still pressed down after being contacted with the buffer part due to the elasticity of the buffer part, so that the buffer space is arranged in the position away from the groove, that is to say, the depth of the position away from the groove is greater than the height of the supporting frame, the supporting frame is prevented from being impacted by the inner wall of the position away from the groove, the chamfer of the position away from the groove is arranged, and the stress concentration at the notch can be reduced.

Still further, the present utility model is provided with: the base is located the plectrum and is equipped with and stirs spacing hole in oblique below, the mount pad is equipped with the spacing buckle that can with stirring spacing hole inlay and join in marriage.

By adopting the above arrangement, when the gear shifting button rotates, the limiting buckle can move in the stirring limiting hole, the stirring limiting hole limits the rotating travel range of the gear shifting button, when the gear shifting button rebounds, the contact surface is contacted with the buffer part, and meanwhile, the limiting clamping connection is contacted with the inner wall of the stirring limiting hole to limit the gear shifting button.

Still further, the present utility model is provided with: and a yielding port is arranged on the conductive rubber corresponding to the supporting frame.

By adopting the further arrangement, the support frame part is positioned in the yielding port, so that the assembly structure in the mounting seat is more compact and the design is reasonable.

Still further, the present utility model is provided with: the base bottom corresponds the buffer portion and is equipped with the fluting, fluting and the groove intercommunication setting of stepping down, and the contact surface is located the fluting.

Adopt above-mentioned still further setting, grooved design for buffer portion can press close to laminating portion more on shift button pivoted motion path, make the soft contact of contact surface and buffer portion be shift the first collision that takes place when the button kick-backs, and make the assembly structure in the mount pad compact.

Drawings

FIG. 1 is a block diagram of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a first block diagram of a shift button of the present utility model;

FIG. 4 is a second block diagram of a shift button of the present utility model;

FIG. 5 is a block diagram of a mounting base according to the present utility model;

FIG. 6 is a block diagram of the conductive rubber of the present utility model;

fig. 7 is a cross-sectional view of an embodiment of the present utility model.

In the figure: 1. a mounting base; 11. a rotating shaft; 12. a support frame; 13. limiting buckle; 2. a shift button; 21. a pulling piece; 22. a base; 23. a tapping portion; 24. a relief groove; 25. a contact surface; 26. stirring the limiting hole; 27. slotting; 3. a conductive rubber; 31. a bulge; 32. a buffer section; 33. a yielding port; 4. a circuit board.

Description of the embodiments

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1-7, the noise reduction structure of the automobile gear shifting sheet comprises a mounting seat 1 and a gear shifting button 2, wherein the gear shifting button 2 comprises a shifting sheet 21 and a base 22, the base 22 is positioned in the mounting seat 1, the shifting sheet 21 is exposed above the mounting seat 1, one side of the shifting sheet extends to the outer side of the mounting seat 1, a rotating shaft 11 is arranged in the mounting seat 1, the gear shifting button 2 can be rotatably arranged around the rotating shaft 11, conductive rubber 3 and a circuit board 4 are arranged in the mounting seat 1, the conductive rubber 3 is provided with a bulge part 31 for resetting the gear shifting button 2, conductive particles are arranged in the bulge part 31, the gear shifting button 2 is pressed down, the conductive particles are in contact with the circuit board 4 to realize signal conduction, a buffer part 32 is arranged on one side of the conductive rubber 3 in an extending manner, and when the gear shifting button 2 is reset, the base 22 is provided with a percussion part 23 which can realize noise reduction through the contact of the buffer part 32.

The finger presses the plectrum 21, drive the relative mount pad 1 rotation of shift button 2, because lever principle, use pivot 11 as the fulcrum, the plectrum 21 pushes down and makes the conductive particle on the bellying 31 and circuit board 4 contact realize switching on of shift signal, the buffer part 32 is kept away from to the portion 23 that taps simultaneously, after the finger is released, the bellying 31 resets shift button 2, the portion 23 that taps is close to buffer part 32 and contacts rather than, thereby realize reducing the noise that taps and produce, the conductive rubber 3 utilizes self elasticity characteristic, reset shift button 2 and take place soft conflict with the portion 23 that taps that kick-backs, solve the problem of beating the board noise, the 3 integrated into one piece of conductive rubber bulge 31 and buffer part 32 simultaneously, reduce material cost.

As shown in fig. 3-7, the rotating shaft 11 is disposed at one side in the mounting seat 1, the side wall in the mounting seat 1 is provided with a supporting frame 12 for supporting the rotating shaft 11, the supporting frame 12 is provided with a through hole for the rotating shaft 11 to pass, the supporting frame 12 is used for supporting the middle part of the rotating shaft 11, the rotating shaft 11 is eccentrically disposed at one side of the mounting seat 1, the bulge 31 and the circuit board 4 are disposed at the other side of the mounting seat 1, the conductive rubber 3 is extended and provided with a buffer part 32 forming a step with the bulge, the buffer part 32 is disposed below the supporting frame 12, the design is reasonable, the assembly space in the mounting seat 1 is compact, the tapping part 23 is provided with a yielding groove corresponding to the supporting frame 12, when the yielding groove is used for rebound, the tapping part 23 can tap the buffer part 32, the design is reasonable, the bottom of the tapping part 23 is provided with a contact surface 25 contacting the buffer part 32, and the contact surface 25 is disposed at two sides of the notch of the yielding groove 24.

In this embodiment, when the shift button 2 rotates, the support frame 12 moves in a telescopic manner relative to the yielding groove 24, and when rebounds, the support frame 12 retracts into the yielding groove 24, and due to the elasticity of the buffer portion 32, the tapping portion 23 still continues to press down after contacting with the buffer portion 32, and a buffer space for the relative movement of the support frame 12 is provided in the yielding groove 24, that is to say, the depth of the yielding groove 24 is greater than the height of the support frame 12, so that the impact between the support frame 12 and the inner wall of the yielding groove 24 is avoided, and the chamfer of the yielding groove 24 is set, so that stress concentration at the notch can be reduced.

As shown in fig. 3-7, the base 22 is provided with a toggle limiting hole 26 below the shifting piece 21, the mounting seat 1 is provided with a limiting buckle 13 capable of being embedded in the toggle limiting hole 26, when the shift button 2 rotates, the limiting buckle 13 can move in the toggle limiting hole 26, the toggle limiting hole 26 limits the rotation travel range of the shift button 2, when the shift button 2 rebounds, the contact surface 25 is in contact with the buffer part 32, and meanwhile, the limiting clamping is in contact with the inner wall of the toggle limiting hole 26, so that the shift button 2 is limited.

As shown in fig. 6 and 7, the conductive rubber 3 is provided with a yielding port 33 corresponding to the supporting frame 12, and the supporting frame 12 is partially positioned in the yielding port 33, so that the assembly structure in the mounting seat 1 is more compact and the design is reasonable.

As shown in fig. 3, the bottom of the base 22 is provided with a slot 27 corresponding to the buffer portion 31, the slot 27 is communicated with the yielding slot 24, the contact surface 25 is located in the slot 27, the slot 27 enables the buffer portion 31 to be closer to the attaching portion on the moving path of the rotation of the shift button 2, so that the soft contact between the contact surface 25 and the buffer portion 31 is the first collision of the shift button 2 during rebound, and the assembly structure in the mounting seat 1 is compact.

Claims (6)

1. The utility model provides a structure of making an uproar falls in auto shift plectrum, includes mount pad (1) and shift button (2), shift button (2) include plectrum (21) and base (22), and base (22) are located mount pad (1), and plectrum (22) are exposed in mount pad (1) top and one side extends to the mount pad (1) outside, shift button (2) rotate through pivot (11) and set up on mount pad (1), be equipped with conducting rubber (3) and circuit board (4) in mount pad (1), a serial communication port, conducting rubber (3) are equipped with in bump (31) that are used for resetting shift button (2), are equipped with conductive particles in bump (31), push down shift button (2), conductive particles and circuit board (4) contact realization signal conduction, conducting rubber (3) one side extension is equipped with buffer (32), when shift button (2) reset, base (22) are equipped with can realize the bump portion (23) of making an uproar with buffer (32) contact.

2. The noise reduction structure of an automobile gear shifting block according to claim 1, characterized in that the rotating shaft (11) is arranged on one side in the mounting seat (1), a supporting frame (12) for supporting the rotating shaft (11) is arranged on the side wall in the mounting seat (1), the bulge (31) is arranged on one side, far away from the supporting frame (12), of the conductive rubber (3), the buffer part (32) is arranged below the supporting frame (12), the tapping part (23) is provided with a yielding groove (24) corresponding to the supporting frame (12), and a contact surface (25) in contact with the buffer part (32) is arranged at the bottom of the tapping part (23).

3. The noise reduction structure of the automobile gear shifting block according to claim 2, wherein a buffer space for the relative movement of the supporting frame (12) is arranged in the yielding groove (24), and a notch chamfer or rounding of the yielding groove (24) is arranged.

4. The noise reduction structure of the automobile gear shifting block according to claim 1 or 2, wherein the base (22) is provided with a shifting limiting hole (26) obliquely below the block (21), and the mounting base (1) is provided with a limiting buckle (13) capable of being matched with the shifting limiting hole (26).

5. The noise reduction structure of the automobile gear shifting sheet according to claim 2, wherein a yielding port (33) is arranged on the conductive rubber (3) corresponding to the supporting frame (12).

6. A noise reduction structure of an automobile gear shifting plate according to claim 2 or 3, characterized in that a slot (27) is arranged at the bottom of the base (22) corresponding to the buffer part (32), the slot (27) is communicated with the yielding slot (24), and the contact surface (25) is positioned in the slot (27).