CN214171208U - Automobile suspension damping device - Google Patents
Automobile suspension damping device Download PDFInfo
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- CN214171208U CN214171208U CN202022529251.2U CN202022529251U CN214171208U CN 214171208 U CN214171208 U CN 214171208U CN 202022529251 U CN202022529251 U CN 202022529251U CN 214171208 U CN214171208 U CN 214171208U
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- damping
- fixing frame
- end fixing
- valve
- shock absorber
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Abstract
The utility model relates to an automotive suspension damping device. The damping device comprises a mounting ring, a spring, a piston rod, an extension valve, a compression valve, a compensation valve, a circulation valve, a sealing gasket, a working cylinder, an oil storage cylinder, a damping elastic block, a lower end fixing frame, a connecting rod and a connecting port. The damping device adopts a cylindrical damper, and the device is quickly mounted and dismounted through a mounting ring, a connecting rod and a connecting port; the relative damping coefficient, the damping coefficient of the shock absorber and the maximum unloading force are designed, so that the diameters of the working cylinder and the oil storage cylinder are determined, and the performance of the shock absorber is optimized; through last lower extreme mount, set up the shock attenuation elastic block below the bumper shock absorber, through the secondary shock attenuation, realize transient response indexes such as the ride comfort and the handling stability of good car, improve car passenger's travelling comfort, reduce goods harm degree.
Description
Technical Field
The patent of the utility model relates to an automotive suspension structure subassembly technical field specifically is a damping device for automotive suspension.
Background
The automobile suspension damping device is one of core devices of a suspension system and is used for damping vibration generated by a vehicle during running. The shock-absorbing devices of the suspension in the current market are of various types, such as common shock absorbers, intelligent liquid shock absorbers and electromagnetic damping shock absorbers, the latter two shock-absorbing devices have the problems of low energy conversion efficiency, high cost, complex structure and the like, so the application range is smaller, while the common shock absorbers have the problems of poor road surface adaptability, complex loading and unloading, overlarge shock-absorbing effect difference of different road surfaces and the like although the application range is wide, and the vehicle is difficult to ensure to have good shock-absorbing performance on various complex road surfaces.
Disclosure of Invention
(technical problem solved) the utility model aims at designing a reasonable structure of a suspension damping device, updating and designing main performance parameters of a simultaneous damper, and determining reasonable diameters of an oil storage cylinder and a working cylinder; the secondary damping structure is designed, so that the adaptability of the damper to different road surfaces is mainly improved, and the good damping effect of the damper under different road surfaces is realized on the premise of greatly improving the cost; simplify the bumper shock absorber mounting means, the installation of the bumper shock absorber of being convenient for is dismantled.
(technical solution) in order to achieve the above object, the present invention adopts the following technical solution.
A shock absorbing device for an automotive suspension. The damping device comprises a mounting ring, a spring, a piston rod, an extension valve, a compression valve, a compensation valve, a circulation valve, a sealing gasket, a working cylinder, an oil storage cylinder, a damping elastic block, a lower end fixing frame, a connecting rod and a connecting port. The damping device adopts a cylindrical damper, and the device is quickly mounted and dismounted through a mounting ring, a connecting rod and a connecting port; the relative damping coefficient, the damping coefficient of the shock absorber and the maximum unloading force are designed, so that the diameters of the working cylinder and the oil storage cylinder are determined, and the performance of the shock absorber is optimized; through last lower extreme mount, set up the shock attenuation elastic block below the bumper shock absorber, through secondary shock attenuation, realize transient response indexes such as the ride comfort and the handling stability of good car.
Preferably, the shock absorber top sets up fixed mounting ring, and the below sets up connecting rod and connector, the installation and the dismantlement of the shock absorber of being convenient for.
Preferably, two sections of damping structures are adopted, the damping elastic block realizes primary damping for the vibration transmitted by the wheels and the springs, and the damper realizes the digestion of the aftershock of the springs. The two sections of structures are connected together through a designed fixing frame and realize relative movement, and secondary shock absorption is realized.
Preferably, the cylindrical shock absorber is designed for main performance parameters (relative damping coefficient, shock absorber damping coefficient and maximum unloading force), and reasonable diameters of the working cylinder and the oil storage cylinder are determined.
The invention provides a damping device for an automobile suspension. The method has the following beneficial effects:
the automobile option damping device realizes the rapid installation and disassembly of the damper through the fixed installation ring, the connecting rod and the connecting port; the two-section damping device is used for damping in two sections, and realizes connection and movement through the fixing frame, so that the adaptability of the damper on different road surfaces is improved, and a better damping effect is obtained; selecting proper relative damping coefficient, damper damping coefficient and maximum unloading force, and optimally designing the working cylinder and the oil storage cylinder; the structure is clear and simple, the manufacturing cost is low, and the practicability is strong.
Drawings
Fig. 1 is a schematic structural view of a shock absorbing device for an automobile suspension.
Figure 2 is a schematic view of a shock absorber portion of an automotive suspension shock absorber device.
FIG. 3 is a schematic view showing the connection of the upper and lower fixing frames of the shock absorbing device of the automobile suspension.
In the figure, 1-a fixed mounting ring, 2-a spring, 3-a piston rod, 4-an upper end fixing frame, 5-a damping elastic block, 6-a lower end fixing frame, 7-a connecting rod, 8-a connecting port, 9-a sealing gasket, 10-an extension valve, 11-a circulation valve, 12-a compression valve, 13-a compensation valve, 14-an upper working cylinder cavity, 15-a lower working cylinder cavity and 16-an oil storage cylinder.
Detailed Description
A shock absorbing device for a vehicle suspension, substantially as described herein with reference to figure 1: the two-section damping structure is adopted, and the vibration transmitted by the wheels is damped for the first time through the damping elastic blocks 5 in the lower end fixing frame 6. The upper end forms two-stage damping of the shock absorber, and the design optimization barrel type shock absorber is adopted for conducting aftershock digestion; the 1 fixed mounting ring, the 7 connecting rod and the 8 connecting ports realize the quick mounting and dismounting of the damping device.
A shock absorbing device for a vehicle suspension, substantially as described with reference to figure 2: when the shock absorber is compressed, the piston moves downwards, the volume of the upper cavity of the 14 working cylinders is increased, the volume of the lower cavity of the 15 working cylinders is reduced, the 11 circulation valves are opened, oil in the lower cavity of the 15 working cylinders enters the upper cavity through the 11 circulation valves, meanwhile, a part of oil opens the 12 compression valves and enters the oil storage cylinder, and the two valves perform throttling action on the oil to enable the shock absorber to generate damping action during compression movement. The situation is reversed when the shock absorber is stretched, and the damping effect of the stretching movement is also generated.
A shock absorbing device for a vehicle suspension, substantially as described with reference to figure 2: the main performance parameters of the designed shock absorber are calculated, and the diameters of the working cylinder and the 16-reservoir cylinder are determined. The main performance parameters of the shock absorber are two, namely a damping coefficient delta and a relative damping coefficient omega: relative damping coefficient omega for compression stroke0Relative damping coefficient omega less than the extension stroke1Take omega0＝(0.25～0.5)ω1(ii) a Damping coefficient taking
(where i ═ n/a, the lever ratio;. oc, the damper attachment angle).
After the two damping coefficients are determined, the maximum unloading force F is determined according to the characteristics of the suspension and the installation characteristics of the shock absorber. F ═ δ0VxIn which V isxThe unloading speed is used.
After the performance parameters of the three shock absorbers are determined, the diameter of the working cylinder is determined according to the maximum unloading force and the allowable pressure, and the diameter of the oil storage cylinder is determined by taking 1.35-1.5 times of the diameter of the working cylinder, so that the design of the telescopic shock absorber is completed.
A shock absorbing device for a vehicle suspension, substantially as described with reference to figure 3: 4 the upper end fixing frame, 5 the elasticity is fast, 6 the connection mode of the lower end fixing frame is as shown in the figure, and the connection and the movement of the two-end damping devices are realized.
The working principle is as follows: when an automobile runs under a complex road condition, vibration is transmitted to the damping device through the 8-connector and the 7-connector, and primary damping is performed through the 5-damping elastic block; the aftershock is transmitted into the shock absorber through the lower end fixing frame 6 and the upper end fixing frame 4 to carry out secondary shock absorption, the aftershock is digested, the stable operation of the vehicle is ensured, and a good shock absorption effect is realized; the performance parameters of the shock absorber are optimally designed, and the reasonable diameters of the working cylinder and the oil storage cylinder are determined; the whole shock absorber is disassembled and assembled through the fixed mounting ring 1, the connecting rod 7 and the connecting port 8, and the operation is simple and convenient; the device has the advantages of simple and flexible structure, low manufacturing cost, strong practicability, strong road surface adaptability and production value.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An automotive suspension damping device characterized in that: the damping device comprises a fixed mounting ring (1), a spring (2), a piston rod (3), an upper end fixing frame (4), a damping elastic block (5), a lower end fixing frame (6), a connecting rod (7) and a connecting port (8), wherein the two damping parts are connected through the fixing frame, and a damper is positioned in the upper end fixing frame (4); the hydraulic oil cylinder comprises a sealing gasket (9), an extension valve (10), a circulation valve (11), a compression valve (12), a compensation valve (13), a working cylinder upper cavity (14), a working cylinder lower cavity (15), an oil storage cylinder (16), the extension valve (10) and the circulation valve (11) and are used for controlling the flow of oil between the working cylinder upper cavity (14) and the working cylinder lower cavity (15); a compression valve (12) and a compensation valve (13) between the working cylinder lower chamber (15) and the reserve cylinder (16) are used for the flow of oil between the working cylinder lower chamber (15) and the reserve cylinder (16).
2. The automotive suspension shock absorbing device according to claim 1, characterized in that: the damping device is provided with a fixed mounting ring (1) above and a connecting rod (7) and a connector (8) below, so that the damping device can be mounted and dismounted conveniently.
3. The automotive suspension shock absorbing device according to claim 1, characterized in that: the damping elastic block (5) is used for damping vibration of the wheels and the spring (2) for the first time, so that the classification processing of the vibration is realized.
4. The automotive suspension shock absorbing device according to claim 1, characterized in that: the cylindrical shock absorber carries out secondary shock absorption on aftershock and the shock of the spring (2), and digestion of the shock is realized.
5. The automotive suspension shock absorbing device according to claim 1, characterized in that: the two-stage damping device is connected with the lower end fixing frame (6) through the upper end fixing frame (4), a groove is formed in the upper end fixing frame (4), a lug is arranged on the lower end fixing frame (6), the shock absorber is fixed in the upper end fixing frame (4), the damping elastic block (5) is fixed in the lower end fixing frame (6), and relative movement is achieved between the two fixing frames through the groove and the lug.
6. The automotive suspension shock absorbing device according to claim 1, characterized in that: the updating design of the main performance parameters of the telescopic shock absorber, namely the relative damping coefficient, the damping coefficient of the shock absorber and the maximum unloading force, is realized, and the reasonable diameters of the working cylinder and the oil storage cylinder (16) are further determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529251.2U CN214171208U (en) | 2020-11-05 | 2020-11-05 | Automobile suspension damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529251.2U CN214171208U (en) | 2020-11-05 | 2020-11-05 | Automobile suspension damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214171208U true CN214171208U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529251.2U Active CN214171208U (en) | 2020-11-05 | 2020-11-05 | Automobile suspension damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214171208U (en) |
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2020
- 2020-11-05 CN CN202022529251.2U patent/CN214171208U/en active Active
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