Push type automobile skylight switch

Abstract

The utility model discloses a push-type automobile sunroof switch, relates to the technical field of switches, and solves the problems of insufficient restoring force of a button and the like. The boosting assembly comprises a boosting spring fixed to the button and a boosting sliding piece connected to the tail end of the boosting spring, and the guide structure is provided with inclined guide faces extending from the groove bottom to the two sides. The power-assisted sliding piece is in contact with the inclined guide surface of the guide structure, and when the button is pressed, the power-assisted sliding piece slides along the inclined guide surface from the groove bottom to the direction away from the groove bottom, so that the power-assisted spring is forced to store energy; and when the pressing is relieved, the boosting spring releases energy to drive the boosting sliding piece to slide back to the groove bottom along the inclined guide surface. The defect that the operation force is insufficient when the silica gel key is pressed on the edge of the button in the operation process of the button is overcome, it is ensured that a user can feel the clear and steady operation force and obtain the clear, comfortable and consistent pressing hand feeling, it is ensured that resetting is complete and rapid, the influence of fatigue of silica gel materials on the overall performance is reduced, and the long-term use reliability of the switch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch especially press type car sunroof switch. BACKGROUND

[0002] The car sunroof switch is an important functional control component in the car, and its operation feeling and reset reliability directly affect the user experience. The press type sunroof switch on the market generally uses silica gel buttons as reset elements, and multiple silica gel buttons are arranged inside the switch to provide the operation required by the button pressing and the restoring force required by the reset. However, the prior art has obvious defects: when the pressing position is at the distal end (edge) of the button, due to the lever principle, the effective force actually acting on the silica gel button is greatly attenuated. This results in that the silica gel button cannot provide sufficient operation force to meet the user's demand for pressing feeling (usually the operation force is required to be between 3.5-4.5N) and clear feedback. Too small operation force will make the user feel that the button is soft and has no confirmation, affecting the operation experience. Due to the lever principle, the effective force actually acting on the reset element is attenuated when pressing at the distal end, and the restoring force provided by the silica gel button is also significantly insufficient. At the same time, the button will be loose on the mounting seat due to insufficient restoring force, and will be easily shaken when the vehicle is running, producing abnormal noise and affecting the driving experience.

[0003] In order to ensure that a certain operation force and restoring force are reached when pressing at the edge, the prior design is forced to arrange multiple silica gel buttons below the button, especially to increase silica gel points at the distal end, which results in that the overall size of the button is increased, the structure is bulky, the internal space utilization rate is low, and the miniaturization of the switch is hindered. Moreover, the silica gel material is prone to plastic deformation after long-term compression, causing the reset stroke to attenuate, resulting in incomplete button reset or loose shaking phenomenon, affecting the feeling. UTILITY MODEL CONTENTS

[0004] The utility model discloses a press type car sunroof switch, which solves the problems of insufficient button restoring force and poor pressing feeling.

[0005] The utility model discloses a technical scheme: a button and a seat body are arranged, and silica gel buttons are symmetrically arranged on both sides of the seat body along the swinging direction of the button, characterized in that: a reset mechanism is arranged between the button and the seat body, the reset mechanism comprises a power-assisted component arranged on the button and slidable and a guide structure arranged on the seat body; the power-assisted component comprises a power-assisted spring fixed with the button and a power-assisted sliding piece connected to the end of the power-assisted spring; the guide structure has an inclined guide surface extending from the groove bottom to both sides; the power-assisted sliding piece is in contact with the inclined guide surface of the guide structure, and when the button is pressed, the power-assisted sliding piece slides along the inclined guide surface from the groove bottom to the direction away from the groove bottom, forcing the power-assisted spring to store energy; when the pressing is released, the power-assisted spring releases energy, driving the power-assisted sliding piece to slide back to the groove bottom along the inclined guide surface.

[0006] The technical scheme has the advantages that in the operation process of the button, the defect of insufficient operation force of the silica gel key when the button edge is pressed in the prior art is effectively compensated, it is ensured that even when the button is pressed at the distal end, the user can feel clear and steady operation force, and clear, comfortable and consistent pressing feeling is obtained, and the soft feeling is eliminated; meanwhile, sufficient reset force can be obtained, reset is ensured to be complete and fast, and the problems of poor contact and abnormal sound caused by incomplete reset are reduced; since the reset mechanism can effectively provide the required operation force and reset force, the dependence on the number and strength of the silica gel key is greatly reduced, so the number of silica gel keys can be reduced, the structure is simplified, internal space is saved, the switch miniaturization design is facilitated, the influence of silica gel material fatigue on overall performance is reduced, and the long-term use reliability of the switch is improved.

[0007] In a possible design, the guide structure is a V-shaped groove, the inclined guide surfaces thereof are composed of two intersecting planes or curved surfaces, and the included angle between the two inclined guide surfaces is 120-170 degrees.

[0008] With the above design, the angle range can be selected according to the switch, the smaller the included angle, the greater the compensation of the reset force, so that the energy of the power-assisted spring can be effectively stored during the sliding process of the power-assisted slide, and sufficient horizontal component force can be generated when the spring releases energy to drive the button to reset, avoiding the problems of jamming caused by too small angle or insufficient power caused by too large angle; the symmetrical V-shaped groove design also ensures that the button is pressed evenly on both sides, improving the overall stability and durability of the switch.

[0009] In a possible design, the bottom of the button is integrally provided with a mounting cylinder, the power-assisted spring is mounted in the mounting cylinder, the power-assisted slide is movably arranged at the opening of the mounting cylinder, one end of the power-assisted spring is connected with the power-assisted slide, and the other end is in abutting contact with the bottom of the mounting cylinder.

[0010] With the above design, the power-assisted spring and the power-assisted slide are integrated in a closed space, the cylinder limits the lateral displacement of the spring, and ensures that the slide is always aligned with the guide structure; meanwhile, the integrally formed mounting cylinder reduces the number of parts, reduces the production and assembly difficulty, and improves the product consistency.

[0011] In a possible design, the power-assisted slide is a roller, a ball or a low-friction coefficient slider.

[0012] With the above design, the frictional resistance with the guide surface can be effectively reduced, the energy loss in the contact process is reduced, the energy of the power-assisted spring is more efficiently converted into the reset force of the button, and the reset response speed is improved.

[0013] In a possible design, the silica gel keys are arranged at least two along the width direction of the switch, and a pressing frame for pressing the silica gel keys is arranged above the silica gel keys, the pressing frame is movably arranged on the seat body, and the button is pressed to contact the pressing frame.

[0014] With the above design, the silica gel keys are increased along the width direction, the concentrated pressing force of the button is evenly transmitted to the plurality of silica gel keys, and the shortage of the required operating force is further supplemented.

[0015] In a possible design, the pressing frame and the seat body are provided with a limiting structure, the limiting structure comprises a limiting block on the pressing frame and a limiting surface on the seat body, and the limiting block is in abutting contact with the limiting surface when the button is in the pressing limit position.

[0016] With the above design, the damage of the silica gel keys or the reset mechanism caused by excessive pressing of the button is prevented, the overall service life of the switch is prolonged, the stroke consistency of all pressing positions is ensured, the consistency and comfort of the user operation are improved, and the misoperation caused by the stroke difference is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic view of the utility model;

[0018] Fig. 2 is a sectional schematic view of the utility model;

[0019] Fig. 3 is an explosion view of the utility model;

[0020] 1, button; 11, mounting cylinder; 2, seat body; 21, limiting surface; 3, silica gel key; 31, pressing frame; 32, limiting block; 4, reset mechanism; 41, power assisting component; 411, power assisting spring; 412, power assisting sliding piece; 42, inclined guide surface. DETAILED DESCRIPTION

[0021] As Figs. 1 to 3The illustrated press-type automobile sunroof switch is mainly composed of a button 1, a seat body 2, silica gel buttons 3 and a reset mechanism 4. The seat body 2 is a plastic injection molded shell structure, and an installation cavity accommodating the button 1 is formed inside. The silica gel buttons 3 are symmetrically arranged on the left and right sides of the installation cavity along the oscillation direction of the button 1 (two are arranged in the embodiment, and the specific number can be adjusted according to the width of the switch). The button 1 is hingedly connected to the seat body 2 through a rotating shaft and can oscillate around the rotating shaft. The silica gel buttons 3 are symmetrically arranged on the two sides of the seat body 2 along the oscillation direction of the button 1, and the bottom of each silica gel button 3 is provided with a conductive contact point for triggering a sunroof control signal. The reset mechanism 4 is arranged between the button 1 and the seat body 2 and includes a power-assisted component 41 and a guide structure. The power-assisted component 41 includes a power-assisted spring 411 fixed to the button 1 and a power-assisted slider 412 connected to the end of the power-assisted spring 411. The guide structure is a V-shaped groove formed in the seat body 2, the groove wall is two intersecting inclined guide surfaces 42, and the groove bottom is the intersection position of the inclined guide surfaces 42. The included angle between the two inclined guide surfaces 42 is within a preset range. The working principle is as follows: when a user presses the button 1, the button 1 oscillates around the rotating shaft, and the power-assisted slider 412 at the bottom of the button 1 slides along the inclined guide surfaces 42 of the V-shaped groove on the seat body 2. When the power-assisted slider 412 slides outward from the groove bottom of the V-shaped groove, it pushes the power-assisted spring 411 connected thereto to compress and deform, and the spring stores elastic potential energy, which cooperates with the elastic force of the silica gel button to make the operation force required for pressing the button 1 reach the range of 3.5-4.5N, fully meeting the user's requirements for hand feeling. At the same time, the pressing force of the button 1 is transmitted to the silica gel button 3 through the pressing frame 31, causing the silica gel button 3 to elastically deform and trigger the conductive contact point to output a sunroof control signal. After the user releases the button 1, the initial reset force of the silica gel button 3 begins to recover, the elastic potential energy stored in the power-assisted spring 411 is released synchronously, and the power-assisted slider 412 is pushed to slide back to the groove bottom along the inclined guide surfaces 42 of the V-shaped groove, realizing the reset of the button 1. In this way, the elastic force of the power-assisted spring 411 is converted into a reset thrust through the inclined surfaces of the V-shaped groove, effectively compensating for the insufficient restoring force of the silica gel button 3 caused by the long force arm when pressing from a distance, significantly enhancing the reset speed and stability of the button 1. The cooperative action of the spring force and the silica gel elastic force ensures that the button 1 is always in close contact with the seat body 2 during the reset process, eliminating the shaking or abnormal noise caused by bumps.

[0022] Through multiple mechanical simulations and physical tests, when the included angle between the two inclined guide surfaces 42 is within the range of 120°-170°, the reset performance is good. If the included angle is too small, such as 120°, the slope of the inclined guide surface 42 is too steep, the frictional resistance increases when the assisted sliding member 412 slides, the spring energy storage efficiency is slightly low, and the required pressing force is larger; if the included angle is too large, such as 170°, the inclined guide surface 42 is close to a plane, the spring compression stroke increases but the jamming phenomenon is prone to occur, which is suitable for short stroke and light pressing force requirements; when the included angle is 150°, the sliding contact area of the assisted sliding member 412 is moderate, the linear relationship between the spring compression amount and the reset force is optimal, the hand feeling feedback is clear during pressing, and the reset speed and stability are balanced.

[0023] The bottom of the button 1 is provided with an integrally injection-molded mounting cylinder 11, and the opening end of the mounting cylinder 11 faces the seat body 2. The assisted spring 411 is coaxially mounted in the cylinder, the top end abuts against the bottom of the cylinder, and the bottom end is sleeved on the end of the assisted sliding member 412. The integrated design of the mounting cylinder 11 avoids the scattering of the spring and the sliding member, improves the assembly efficiency, the cylinder body limits the lateral displacement of the spring, and ensures that the sliding member is always aligned with the guide structure. In addition, by adjusting the depth of the mounting cylinder 11 or the specification of the assisted spring 411, the adjustment of the spring pre-compression is realized, the initial reset force in different application scenarios is provided, and the application range is expanded.

[0024] The assisted sliding member 412 is a roller, a ball or a low-friction coefficient slider, and the roller and the ball need to be installed through a rotating shaft. Experiments show that: the roller scheme has the highest reset efficiency due to the rolling friction characteristics, and is suitable for high-frequency pressing scenarios; the ball scheme has a slightly complex structure and has little difference from the roller scheme; the slider scheme has the largest friction, but has a simple structure and the lowest cost, and can be suitable for most scenarios and humid environments.

[0025] The silica gel keys 3 are arranged in at least two along the width direction, and the silica gel keys 3 are provided with movable pressing frames 31 above the silica gel keys 3. The pressing frames 31 are movably arranged on the top of the mounting cavity, the bottom of the button 1 is provided with a pressing boss, the pressing boss is in contact with the top of the pressing frame 31, and the pressing force is uniformly transmitted to the plurality of silica gel keys 3 through the pressing frame 31 to trigger the signal. The width direction of the switch is perpendicular to the swinging direction of the button 1, the silica gel keys 3 occupy the width space, and the length space saved can be used to install other components such as indicator lights.

[0026] In order to prevent excessive pressing, the pressing frame 31 and the seat body 2 have a limiting structure, which includes a limiting block 32 on the pressing frame 31 and a limiting surface 21 on the seat body 2. When the button 1 is pressed to the limit stroke, the limiting block 32 abuts against the limiting surface 21. The pressing stroke is limited, the mechanical limiting prevents the user from pressing too much to cause permanent deformation of the silica gel keys 3 or the reset mechanism 4, and at the same time, it ensures that the assisted sliding member 412 always slides within the effective range of the V-shaped groove, avoiding out-of-groove failure.

Claims

1. A push type automobile sunroof switch, comprising a button (1) and a seat body (2), and a silica gel button (3) is symmetrically arranged on both sides of the seat body (2) along the swinging direction of the button (1), characterized in that: The reset mechanism (4) is arranged between the button (1) and the seat body (2), and comprises a power-assisted component (41) arranged on the button (1) and slidable and a guide structure arranged on the seat body (2); the power-assisted component (41) comprises a power-assisted spring (411) fixed on the button (1) and a power-assisted sliding piece (412) connected to the end of the power-assisted spring (411); the guide structure has inclined guide surfaces (42) extending from the bottom of the groove to both sides; The power-assisted sliding piece (412) is in contact with the inclined guide surfaces (42) of the guide structure, and when the button (1) is pressed, the power-assisted sliding piece (412) slides along the inclined guide surfaces (42) from the bottom of the groove to the direction away from the bottom of the groove, forcing the power-assisted spring (411) to store energy; when the pressing is released, the power-assisted spring (411) releases energy to drive the power-assisted sliding piece (412) to slide back to the bottom of the groove along the inclined guide surfaces (42).

2. The push-type automotive sunroof switch according to claim 1, wherein: The guide structure is a V-shaped groove, and the inclined guide surfaces (42) are composed of two intersecting planes or curved surfaces, and the included angle of the two inclined guide surfaces (42) is 120°-170°.

3. The push-type automotive sunroof switch according to claim 1 or 2, characterized in that: The bottom of the button (1) is integrally provided with a mounting cylinder (11), the power-assisted spring (411) is mounted in the mounting cylinder (11), the power-assisted sliding piece (412) is movably arranged at the opening of the mounting cylinder (11), one end of the power-assisted spring (411) is connected with the power-assisted sliding piece (412), and the other end is in abutting contact with the bottom of the mounting cylinder (11).

4. The push-type automotive sunroof switch according to claim 1 or 2, characterized in that: The power-assisted sliding piece (412) is a roller, a ball or a low-friction sliding block.

5. The push-type automotive sunroof switch according to claim 1 or 2, characterized in that: The silicone keys (3) are arranged in at least two along the width direction of the switch, a pressing frame (31) for pressing the silicone keys (3) is arranged above the silicone keys (3), the pressing frame (31) is movably arranged on the seat body (2), and the button (1) is in pressing contact with the pressing frame (31).

6. The push-type automotive sunroof switch according to claim 5, wherein: The pressing frame (31) and the seat body (2) have a limiting structure, the limiting structure comprises a limiting block (32) on the pressing frame (31) and a limiting surface (21) on the seat body (2), and the limiting block (32) is in abutting contact with the limiting surface (21) when the button (1) is in the pressing limit position.

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