Rotating force keeping mechanism for thin sun shield
By using a U-shaped shell and an elastic clamping structure, the contact area is increased and the friction between the spring and the pivot is utilized, which solves the problem of abnormal noise when the sun visor is bumpy, thus improving stability and reliability.
Patent Information
- Application Number
- CN202422859964.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-22
AI Technical Summary
The existing sun visor holding mechanism is prone to shaking when the vehicle is bumpy, resulting in abnormal noise and poor stability, which fails to meet the usage requirements.
It adopts a U-shaped shell and elastic clamping structure, increases the contact area by screw connection, uses spring to push the movable baffle and the friction of the rotating shaft to fix the angle of the sunshade, and adds a flat part on the rotating shaft to generate holding force.
It improves the installation stability and reliability of the sun visor, prevents abnormal noise, meets the requirements for thinning, and ensures the operating torque of the sun visor during suspension and flipping in any position.
Smart Images

Figure CN223672241U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile sun visor, especially to a thin sun visor rotation force keeping mechanism. BACKGROUND
[0002] Automobile sun visor will be configured on the car, and the automobile sun visor can shield the sunlight to prevent the sunlight from dazzling the driver and affecting the safety of driving the car. In the use process, the automobile sun visor can rotate relative to the rotating shaft installed on the car to adjust different sun-shading angles, and a keeping mechanism is installed in the automobile sun visor, which cooperates with the rotating shaft through friction force to fix the angle of the automobile sun visor.
[0003] At present, the keeping mechanism arranged in the automobile sun visor includes a shell and a mounting plate, the rotating shaft penetrates the shell, the mounting plate is connected with the pressing plate through the spring, the pressing plate abuts against the rotating shaft under the action of the spring, and the friction force between the pressing plate and the rotating shaft is utilized to fix the angle of the sun visor. However, in the actual use process, the shell is only fixed at one end with the sun visor body, and when encountering bumps, the shell will shake relative to the sun visor body, producing abnormal noise, and the contact area between the pressing plate and the rotating shaft is small, and the stability is poor, which cannot meet the use requirement. SUMMARY
[0004] In view of the above technical problems of the prior art, the technical problem to be solved by the present patent application is to provide a thin sun visor rotation force keeping mechanism which can improve the installation stability, has high reliability and is convenient to use.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:
[0006] A thin sun visor rotation force keeping mechanism, comprising a shell and an elastic abutting structure, the shell is U-shaped and has an open end at one end, the inner side face of the shell away from the open end is shaped and matched with the rotating shaft, two sunken ear seats are extended outward on one side of the open end of the shell, screw holes are arranged in the ear seats, the shell is fixedly connected with the sun visor body through screws, and the two sides of the shell are matched with the sun visor body.
[0007] Thus, the sun visor body is of the existing structure, which comprises the fixedly connected upper shell and lower shell, the installation area is formed between the upper shell and the lower shell, the convex ribs are protrusively arranged on the opposite surfaces of the upper shell and the lower shell, and the power retaining mechanism is located in the installation area. Two internally threaded cylinders are fixed on the sun visor body, when the two sides of the shell are attached to the sun visor body, the shell abuts against the convex ribs to form a limit, the sunken ear seats are opposite to the internally threaded cylinders, the shell and the sun visor body are connected by screwing the screws through the screw holes on the sunken ear seats and the internally threaded cylinders, the U-shaped arrangement of the shell can make one side of the shell attached to the sun visor body, increase the contact area, and improve the installation reliability.
[0008] In the actual installation process, the elastic abutting structure is installed in the shell, the rotating shaft is located between the elastic abutting structure and the shell, the movable baffle is attached to the rotating shaft by the elastic force of the spring, and the angle of the sun visor body is fixed by the friction force between the movable baffle and the rotating shaft.
[0009] The sunken ear seats on the two sides of the shell are sunken by bending, the space occupation of the sun visor body by the screws is avoided, and the demand of the automobile for the thinning of the sun visor part is met; the shell is connected by increasing the material, the strength of the shell is increased, and the abnormal sound problem caused by the stress distortion of the shell is solved.
[0010] The two sides of the movable baffle are formed with baffle edges in the direction of approaching the fixed baffle.
[0011] The two sides of the movable baffle are formed with baffle edges in the direction of approaching the fixed baffle.
[0012] The side of the fixed baffle opposite to the movable baffle is protrusively arranged with a positioning table capable of being inserted and matched with the spring, and the diameter of the positioning table gradually decreases in the direction of approaching the movable baffle.
[0013] The two sides of the fixed baffle are protrusively arranged with two convex tables, and the shell is arranged with insertion openings matched with the convex tables.
[0014] The spring is provided with two.
[0015] The part of the rotating shaft in the shell is provided with a concave flat position, the flat position is a plane, and the two sides of the flat position are provided with arc surfaces.
[0016] In summary, the thin sun visor rotating force retaining mechanism has the advantages of improving the installation stability, high reliability, and convenience, and specific effects are as follows:
[0017] 1. The spring extrudes the movable baffle to form pressure between the movable baffle and the rotating shaft.
[0018] 2. Forming the friction force in the rotation process of the rotating shaft, ensuring the hovering of the sun visor at any position, and the operating force in the up and down turning process;
[0019] 3. The circular rotating shaft is increased with a flat position, the sun visor is rotated to the position, a moment is generated at the flat position, a continuous holding force is generated between the sun visor and the ceiling, and the sun visor is closely attached to the ceiling;
[0020] 4. The mechanism is fixed on the sun visor body through two screws, the mechanism is prevented from moving under force, and the abnormal sound problem of the traditional sun visor mechanism is avoided;
[0021] 5. In the working process of the mechanism, the shape does not change, and the abnormal sound problem of the rotating shaft of the traditional sun visor mechanism is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a structural schematic view of a thin sun visor rotating force maintaining mechanism.
[0023] Figure 2 It is a front view. Figure 1
[0024] Figure 3 It is a cooperation schematic view of the rotating shaft. Figure 1
[0025] It is a schematic view of being installed on the sun visor body. Figure 4 Figure 1 It is a sectional view of A-A in the mechanism.
[0026] Figure 5 Figure 4 It is a sectional view of B-B.
[0027] Figure 6 It is a schematic view of taking the sun visor body. Figure 4
[0028] It is a schematic view of another orientation. Figure 7 Figure 4
[0029] Figure 8 Figure 7 DETAILED DESCRIPTION
[0030] The utility model will be further explained in detail below in combination with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the case where no opposite statement is made, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the limitation on the protection scope of the utility model;The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.
[0031] As shown in Figures 1-8 A kind of thin sun visor rotating force keeping mechanism, including shell 1 and elastic abutting structure;The shell is U-shaped and one end is open end, the inner side of the shell far from open end is shapedly attached to rotating shaft 2, the open end of the shell has two sunken ear seats 3 extending outward on one side, the ear seat is provided with screw hole 4, shell is fixedly connected with sun visor body 6 by screw 5, the two sides of the shell are attached to sun visor body;The elastic abutting structure includes fixed baffle 7, spring 8 and movable baffle 9, the fixed baffle is fixedly installed at the open end of shell, the spring is located between fixed baffle and movable baffle, and the movable baffle is in abutment with rotating shaft.
[0032] In this way, the sun visor body is of existing structure, which includes fixedly connected upper shell and lower shell, installation area is formed between the upper shell and the lower shell, convex ribs are protrusively arranged on the surfaces of the upper shell and the lower shell opposite to each other, and the power keeping mechanism is located in the installation area. Two internally threaded cylinders 16 are fixed on the sun visor body, when the two sides of the shell are attached to the sun visor body, the shell is in abutment with the convex ribs to form a limit, the sunken ear seats are opposite to the internally threaded cylinders, and the shell is connected with the sun visor body by screwing the screws through the screw holes on the sunken ear seats with the internally threaded cylinders. The U-shaped arrangement of the shell can make one side of the shell attached to the sun visor body, increase the contact area, and improve the installation reliability.
[0033] In actual installation process, the elastic abutting structure is installed in the shell, the rotating shaft is located between the elastic abutting structure and the shell, the movable baffle is attached to the rotating shaft by the elastic force of the spring, and the angle of the sun visor body is fixed by the friction force between the movable baffle and the rotating shaft.
[0034] The sunken ear seats on the two sides of the shell are sunken by bending to avoid the space occupation of the screws on the sun visor body, meet the demand of reducing the thickness of the sun visor part for the automobile, increase the material connection of the shell to increase the strength of the shell, and solve the abnormal sound problem caused by the stress distortion of the shell.
[0035] In implementation, the two sides of the movable baffle are formed into baffle edges 10 in the direction close to the fixed baffle. The spring end can be blocked and limited.
[0036] In the implementation, the two sides of the movable baffle are provided with guide blocks 11, and the two sides of the shell are provided with guide grooves for sliding cooperation with the guide blocks, so that the movement of the movable baffle is guided and the movable baffle is convenient to install.
[0037] In the implementation, the side of the fixed baffle opposite to the movable baffle is provided with a positioning table 12 capable of being inserted and cooperated with the spring, and the diameter of the positioning table gradually decreases in the direction close to the movable baffle, so that the end of the spring is limited.
[0038] In the implementation, the two sides of the fixed baffle are provided with two protrusions 13, and the shell is provided with sockets for insertion cooperation with the protrusions, so that one end of the spring is limited.
[0039] In the implementation, two springs are arranged, so that the stability is improved.
[0040] In the implementation, the part of the rotating shaft in the shell is provided with a concave flat position 14, the flat position is a plane, and the two sides of the flat position and the rotating shaft are provided with arc surfaces 15. The circular rotating shaft is provided with a flat position, the sun visor is rotated to the position, a torque is generated at the flat position, the sun visor and the ceiling generate a sustained holding force, and the sun visor is close to the ceiling.
[0041] Finally, it should be noted that those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model are within the scope of the claims of the utility model and the statistical number, the utility model also intends to include these modifications and variations.
Claims
1. A thin sunshade rotation power holding mechanism, characterized in that, The shell and the elastic abutting structure are included; The shell is U-shaped and has an open end, an inner side of the shell far from the open end is shaped and matched with the rotating shaft, two sunken ear seats are outwardly extended on one side of the open end of the shell, screw holes are arranged through the ear seats, the shell is fixedly connected with the sunshade plate body through screws, and two sides of the shell are matched with the sunshade plate body; The elastic abutting structure includes a fixed baffle, a spring and a movable baffle, the fixed baffle is fixedly installed at the open end of the shell, the spring is located between the fixed baffle and the movable baffle, and the movable baffle is in abutment with the rotating shaft.
2. The thin sun visor rotating force maintaining mechanism according to claim 1, characterized by Two sides of the movable baffle are formed with baffle edges in a direction close to the fixed baffle.
3. The thin sun visor rotating force maintaining mechanism according to claim 2, characterized by Two sides of the movable baffle are protrusively provided with guide blocks, and two sides of the shell are provided with guide grooves in sliding cooperation with the guide blocks.
4. The thin sun visor rotating force maintaining mechanism according to claim 1, characterized by One side of the fixed baffle opposite to the movable baffle is protrusively provided with a positioning table capable of being plug-in matched with the spring, and the positioning table gradually decreases in diameter in a direction close to the movable baffle.
5. The thin sun visor rotating force maintaining mechanism according to claim 1, characterized by Two sides of the fixed baffle are protrusively provided with two convex tables, and the shell is provided with sockets in plug-in cooperation with the convex tables.
6. The thin sun visor rotating force maintaining mechanism according to claim 2, characterized by The spring is provided with two.
7. The thin sun visor rotating force maintaining mechanism according to claim 1, characterized by A part of the rotating shaft located in the shell is provided with a concave flat position, two sides of the flat position and the rotating shaft are provided with arc surfaces.