JP3096279U - Improved structure of automotive shock absorber - Google Patents

Abstract

(57) [Summary] (Modified) [PROBLEMS] The present invention relates to an improved structure of an automobile shock absorber that reduces the height of a vehicle body by using the height adjustment of the shock absorber. SOLUTION: The shock absorber mainly comprises a screw rod 50,
It is composed of an external thread pipe 60, a compression spring and 70, of which a threaded rod is screwed onto the external threaded pipe, and the external threaded pipe is connected in combination with a wheel member, and the center of the threaded rod is A telescopic rod 55 having an upper support plate 56 at its upper end is penetrated, and an adjusting annular cover 65 is again screwed outside the screw rod. The compression spring is installed between the upper support plate and the adjusting annular cover, and a flat scale 51 extending in the axial direction is engraved on the outer edge of the screw rod, and the user can use the scale. Can precisely adjust the height between the threaded rod and the external threaded pipe, thereby reducing the relative distance between the car body and the wheels, and steplessly adjusting the car body height The goal of doing so is achieved.

Description

[Detailed description of the invention]       [0001]     [Technical field to which the invention belongs]   The present invention relates to the technical field of adjusting shock absorbers for automobiles. The scale is arranged on the threaded rod of, and the external thread pipe is adjusted up and down by a special design. , Because the user can adjust the height of the car body accurately based on the difference in requirements, The problem that the work is not easy and safety is not appropriate like the traditional height adjustment Has been improved.       [0002]     [Prior art]   All shock absorbers are installed between the vehicle chassis and tires. As a result, the frequency of vibration of automobiles has been reduced. As shown in FIG. In the upcoming automobile shock absorber, the expansion and contraction connected to the tire suspension arm 13 An annular stopper 11 is fixed on the rod 10, and an outer cover 15 is fitted on the telescopic rod 10. At the upper end of the outer cover 15, an arm cover 16 that can be fixed to the vehicle chassis is provided. Is placed. A compression spring 2 is provided between the annular stopper 11 and the arm cover 16. 0 is in contact with the outer cover 15 using the recovery force of the compression spring 20. The purpose of vibration damping is achieved by expanding and contracting the inside.   If you have certain special requirements (for example, to modify a racing car) You have to lower your body height (reduce wind resistance). The height of the vehicle chassis must be adjusted. Figure 1 shows the conventional height adjustment method. As shown in FIG. 2, first, an annular groove 12 is formed in a lower stage of the telescopic rod 10. At the same time, after the new annular stopper 11A is fixed on the annular groove 12, the old annular stopper 11 is removed, and the bottom end of the compression spring 20 is brought into contact with the new annular stopper 11A. The influence of the acting force and length of the compression spring 20 is adapted. In this way the car chassis The key is adjusted downward to achieve the purpose of adjusting the height of the vehicle. But this The species structure is very inconvenient for the user and has many drawbacks. For example: Is a point.       [0003]     [Problems to be solved by the invention] 1. Finiteness of adjustment range   At the time of adjustment, an annular groove must first be formed on the telescopic rod. Taking into account the actual requirements of strength and annular groove width, stepless adjustments can be made. No, in addition, a compression spring is installed to cover the upper edge of the telescopic bar Therefore, if the general public or tools are not provided, form an annular groove in those parts Can only be formed in a limited part of the lower part of the telescopic rod . Therefore, the adjustable range is extremely limited. 2. Adjustment is not easy   Because the shock absorber connects between the chassis and the tire, When adjusting the shock absorber, disassemble the chassis and tires each time. And a very heavy burden on wheels and workers, Workers cannot disassemble and adjust the shock absorber. Also telescopic bar To form and adjust an annular groove and an annular stop directly on the top, make sure to adjust to the correct position. Not only is not possible, but also extremely inconvenient in terms of work Is a destructive process, so there is no way to repair it if you make a mistake. It is a big test for. 3. Points that cannot be precisely adjusted so that the height of each wheel is the same   The shock absorber is not properly designed and, in addition, Has the disadvantage that the work is not easy, The only way to adjust the height of the shock absorber is to rely on experience. Such adjustment method In the formula, the error in the height of each tire easily occurs. The consequences are very dangerous.       [0004]     [Purpose of the invention]   As described above, the above-mentioned problems clearly exist in the current body height adjustment. Therefore, it is essential to make further improvements.       [0005]     [Means for Solving the Problems]   Therefore, in the present invention, the above purpose and function are achieved mainly by the following technical means. I have. The shock absorber is mainly composed of a threaded rod with telescopic rod, The telescopic rod is located at the center of the threaded rod. It can slide up and down. A compression spring contacts the upper end of the telescopic rod. An upper support plate is fitted for the upper and lower supports of the telescopic bar. A nut pedestal for preventing dropping is fixed. Screw inside the external thread tube An internal screw is engraved for the rod to spirally rotate, and a compression spring is mounted on the screw rod. The adjusting annular cover that comes into contact is screwed, and the upper surface of the adjusting annular cover is compressed. A step edge for positioning the spring is formed. The purpose of stepless adjustment is to adjust the acting force and height of the compression spring by rotating Has been achieved, and at the same time the ease of use has been increased.   In the following, the preferred embodiments of the present invention will be described with reference to the drawings and symbols. Noh will be further described. The following description is only for interpreting the preferred embodiment of the present invention. And does not limit the invention in any way. Therefore , Any modifications or alterations made to the invention based on the same spirit of invention are , All fall within the protection scope of the intent of the present invention.       [0006]     [Embodiment of the invention]   The present invention is directed to an automobile shock absorber for facilitating height adjustment of a vehicle. It relates to an improved structure, and as shown in FIG. The saw is mainly composed of a screw rod 50 having a telescopic rod 55, an externally threaded pipe 60 and a compression spring 70. The screw rod 50 can be screwed into the external thread tube 60, and the compression bar The screw 70 comes into contact between the telescopic rod 55 and the screw rod 50, and the bottom end of the externally threaded pipe 60. Is connected to the wheel correlation member and is indirectly connected to the wheel. In this way the wheels And the vehicle body are connected by an external screw pipe 60, a screw rod 50, a compression spring 70, and the like. .   The detailed configuration of the preferred embodiment of the present invention is shown in FIG. 3 and FIG. And a planar eye extending along the axial direction on the outer edge of the cylindrical screw rod 50. Since the height 51 is engraved, the user can easily perform positioning at the time of adjustment. Expansion and contraction The rod 55 is fitted in the center of the screw rod 50 and extends upward. The screw rod 50 can slide up and down. A compression bar is provided at the upper end of the telescopic bar 55. An upper support plate 56 for fitting the screw 70 is fitted. A nut pedestal 57 is screwed above the holding plate 56 to prevent the upper support plate 56 from falling off. Has been stopped.       [0007]   Inside the outer thread tube 60, an inner screw for helically rotating the screw rod 50 is engraved. A screw cover 61 is screwed on the screw rod 50, and the tightening screw cover 61 is screwed. The screw cover 61 is connected to the screw rod 50 by tightening the upper end of the external screw tube 60. The space between the screw tube 60 and the screw tube 60 is fixed at a fixed position. A compression spring 70 is provided on the screw rod 50. The adjusting annular cover 65 for contacting the adjusting annular cover 6 is screwed. 5 has a step edge 66 formed thereon, and the step edge 66 positions the compression spring 70. I am. Under the adjusting annular cover 65 of the screw rod 50, a separately tightened screw cover is provided. The fixing screw cover 67 fastens the adjusting annular cover 65. In addition, the falling off of the adjustment annular cover 65 is prevented. Stepless adjustment is possible in this way An improved structure of a shock absorber for automobiles which is convenient and convenient.       [0008]   The actual operation status of the present invention is shown in FIGS. 4, 5 and 6. If the user has to adjust the height of the vehicle body, the screw rod 50 The screw rod 50 is rotated after the tightening screw cover 61 between the To cause it to contract into the externally threaded tube 60 or to deploy outwardly , The relative distance between the threaded rod 50 and the outer threaded pipe 60 is modified, The distance between the vehicle body and the wheels is adjusted by modifying the overall length of the The purpose of adjusting the height of the car body is achieved.       [0009]   The user removes the tightening screw cover 67 between the outer screw tube 60 and the adjustment annular cover 65. After loosening, the height of the adjustment annular cover 65 can be directly adjusted, Sometimes modifying the working force of the compression spring 70 to fine tune the height of the chassis of the car And the scale 51 on the threaded rod 50 allows for relatively accurate positioning. It is possible to Finally, adjust the annular cover again with the tightening screw cover 67. When the adjustment screw cover 65 is fixed by tightening the adjustment screw cover 65, the adjustment is stepless and easy. The goal is achieved.       [0010]   As described above, in the present invention, the screw rod 50 is directly rotated with respect to the externally threaded pipe 60, and the adjustment is performed. By rotating the ring-shaped cover 65 to adjust the height with respect to the screw rod 50, The height of the entire body is adjusted, so it also has many advantages and practical value as follows: .       [0011] 1. Good adjustability and safety   The adjustment in the present invention is designed via screws, and based on the scale display It is positioned by the fastening screw covers 61 and 67. Therefore, the height of the body is continuously variable. The goal of floor adjustment is achieved, and at the same time the level of the entire chassis is easily adjusted As a result, wear and tear of the vehicle due to chassis imbalance is avoided and Driving safety is improved by using the clear height indication. Further adjustment Reduced repair due to unnecessary damage, in addition to increased range and adjustability Noh.       [0012] 2. Easy adjustment   When adjusting the shock absorber in the present invention, the chassis It is not necessary to disassemble the tire and tire, and it is not necessary to carve an annular groove in a narrow space Instead, just loosen the tightening screw covers 61 and 67, and directly 60, or the height of the adjustment annular cover 65 can be adjusted, The purpose of adjusting the height of the vehicle body is achieved. Therefore, the present invention is an old shock Compared to the absorber, it has functions such as easy adjustment and simplicity. It can be said that it is improving.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a known automobile shock absorber. FIG. 2 is a plan view of a known shock absorber after adjustment, showing a form after adjustment. FIG. 3 is a three-dimensional exploded view of the shock absorber of the present invention, showing the form of each member of the shock absorber and its correspondence. FIG. 4 is a three-dimensional external view of the present invention after assembly. FIG. 5 is a schematic cross-sectional view of the present invention, showing a relative relationship between the components after assembly. FIG. 6 is a cross-sectional operation sketch of the present invention, showing a relative relationship after adjusting a distance between the threaded rod and the externally threaded pipe. DESCRIPTION OF SYMBOLS 10 Telescopic rod 11 Annular stopper 12 Annular groove 13 Tire suspension arm 15 Outer cover 16 Arm cover 20 Compression spring 50 Screw rod 51 Scale 55 Telescopic rod 56 Upper support board 57 Nut pedestal 60 External screw pipe 61 Tightening screw cover 65 Adjustable annular cover 66 Step edge 67 Tightening screw cover 70 Compression spring

Claims (1)

Claims: 1. A shock absorber for an automobile, which is provided between a vehicle body chassis and a tire and mainly includes a threaded rod having a telescopic rod, an externally threaded pipe, and a compression spring. The telescopic rod is penetrated in the center of the screw rod, the upper end of the telescopic rod can be fixed to the chassis of the car body, the compression spring abuts,
The screw rod can be screwed into the external thread pipe, a tightening screw cover is installed and fixed in place with the external thread pipe,
The lower end of the externally threaded pipe is connected to a wheel member,
The bottom end of the compression spring is fixed to the middle stage of the screw rod, and the improved structure of a shock absorber for automobiles in which the stroke of the compression spring is controlled using an adjusting annular cover screwed to the screw rod. An improved structure of an automobile shock absorber, characterized in that a scale extending in the axial direction is engraved on an outer edge of the threaded rod, and is used for positioning at the time of adjustment by a user.