Shock absorber structure

Abstract

The utility model relates to the technical field of shock absorption, in particular to a shock absorber structure which comprises an outer cylinder. The inner cylinder is coaxially arranged in the outer cylinder and filled with oil, a piston rod is assembled in the inner cylinder in a sliding mode, the upper end of the piston rod is used for being connected with an automobile suspension, the piston rod comprises a round rod section and a sleeve section connected to the lower portion of the round rod section, and an electromagnetic valve is arranged in the sleeve section; the valve rod comprises a circular ring section and a straight barrel section, and the electromagnetic valve is arranged above the circular ring section; the rebuilt valve is arranged on the straight cylinder section in a sleeving mode and matched with the inner cylinder, the interior of the inner cylinder is divided into an upper cavity and a lower cavity through the rebuilt valve, and the upper cavity and the lower cavity are communicated through the rebuilt valve; one end of the electromagnetic valve is communicated with the upper cavity, and the other end of the electromagnetic valve is communicated with the lower cavity through a valve rod. When the shock absorber structure is used, the structure is simple, meanwhile, the shock absorption effect of an automobile under different working conditions is improved by adjusting the magnetic force of the electromagnetic valve, and the damping force formed through the electromagnetic valve meets the required shock absorption requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration reduction, in particular to a vibration reducer structure. Background Art

[0002] With the development of the automobile industry, people have higher requirements for the smoothness of vehicle driving and operational stability. Although the newly emerging semi-active suspension in China can automatically adjust the suspension damping force parameters according to the vibration and working condition changes during vehicle operation, so that the vehicle vibration frequency is controlled within the ideal range, the effect is not obvious during vehicle steering, starting, braking and other working conditions. Utility Model Content

[0003] The utility model provides a shock absorber structure to solve the technical problem that the semi-active suspension in the prior art has a poor shock absorption effect during working conditions such as automobile steering, starting and braking.

[0004] In order to solve the above problems, the utility model provides a shock absorber structure adopting the following technical solutions:

[0005] A shock absorber structure includes an outer cylinder, and the axial direction of the outer cylinder is defined as the up-down direction; an inner cylinder is coaxially arranged in the outer cylinder and is filled with oil, a piston rod is slidably mounted in the inner cylinder, the piston rod includes a round rod section and a sleeve section connected below the round rod section, and an electromagnetic valve is arranged in the sleeve section; the valve stem includes a circular ring section arranged at the lower end of the sleeve section to seal the inside of the sleeve section and a straight cylinder section coaxially connected below the circular ring section, and the electromagnetic valve is arranged above the circular ring section; a recovery valve is sleeved on the straight cylinder section and adapted to the inner cylinder, the recovery valve divides the inside of the inner cylinder into an upper chamber and a lower chamber, and the upper chamber and the lower chamber are connected through the recovery valve; one end of the electromagnetic valve is connected to the upper chamber, and the other end is connected to the lower chamber through the valve stem.

[0006] The beneficial effect is that when the shock absorber structure of the utility model is used, the magnetic force of the solenoid valve is adjusted to change the flow of oil through the solenoid valve, thereby changing the damping force formed by the oil in the upper chamber or the lower chamber, and finally achieving the purpose of ensuring a good shock absorption effect of the automobile under different working conditions. When the shock absorber structure of the utility model is used, the structure is simple, and the shock absorption effect of the automobile under different working conditions is improved by adjusting the magnetic force of the solenoid valve, so that the damping force formed by the solenoid valve meets the required shock absorption requirements.

[0007] Furthermore, guide members are provided at the upper ends of the outer cylinder and the inner cylinder, and sliding holes extending in the up-down direction are opened on the guide members. The round rod segment is adapted to the sliding hole and is slidably assembled in the sliding hole in the up-down direction.

[0008] Beneficial effect: Ensure the stability of the piston rod when it slides and avoid the piston rod from tilting.

[0009] Furthermore, a communicating hole is provided on the circumference of the sleeve section, and the interior of the solenoid valve is connected with the upper chamber through the communicating hole.

[0010] Beneficial effects: simple structure and easy to install.

[0011] Furthermore, a mounting piece is coaxially provided on the outer side wall of the outer cylinder to fix the outer cylinder.

[0012] Beneficial effect: easy to install and fix.

[0013] Furthermore, a U-shaped piece is coaxially provided on the outer side wall of the outer cylinder, and the U-shaped piece is used to install the distribution valve.

[0014] Beneficial effect: It is convenient to adjust the pressure of the oil in the inner cavity of the inner cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present invention will become easy to understand. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0016] Figure 1 It is a structural schematic diagram of a shock absorber structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of a shock absorber structure of the utility model;

[0018] Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle;

[0019] Figure 4 This is a schematic diagram of the structure inside the inner cylinder of a shock absorber structure of the utility model;

[0020] Figure 5 The utility model is a cross-sectional view of the internal structure of the inner cylinder of a shock absorber structure.

[0021] Description of reference numerals:

[0022] 1. Outer cylinder; 2. Inner cylinder; 3. Piston rod; 4. Round rod section; 5. Sleeve section; 6. Solenoid valve; 7. Valve stem; 8. Circular ring section; 9. Straight cylinder section; 10. Restoration valve; 11. Upper chamber; 12. Lower chamber; 13. Guide piece; 14. Sliding hole; 15. Base; 16. Guide hole; 17. Mounting piece; 18. U-shaped piece. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0024] Any number of elements in the drawings is for illustration and not limitation, and any naming is for distinction only and does not have any limiting meaning.

[0025] The principle and spirit of the present invention are explained in detail below with reference to several representative embodiments of the present invention.

[0026] Embodiment 1 of a vibration damper structure provided by the utility model:

[0027] like Figures 1 to 5 As shown, a shock absorber structure of the utility model comprises an outer cylinder 1, an inner cylinder 2 coaxially arranged in the outer cylinder 1, a piston rod 3, a valve stem 7 and a restoring valve 10, and the axial direction of the outer cylinder 1 is the up-down direction.

[0028] like Figure 1 and Figure 2 As shown, the outer wall of the outer cylinder 1 is provided with a mounting member 17 and a U-shaped member 18. The mounting member 17 is coaxially sleeved on the outer side of the outer cylinder 1. The mounting member 17 is used to fix the outer cylinder 1 on the vehicle body.

[0029] The U-shaped member 18 is disposed on the outer wall of the outer tube 1 , and a distribution valve communicating with the inner cavity of the outer tube 1 is installed on the U-shaped member 18 .

[0030] A base 15 is also provided at the bottom of the outer tube 1, and the base 15 is used to seal the bottom of the outer tube 1. A guide member 13 is also provided at the upper end of the outer tube 1, and a sliding hole 14 extending in the up-down direction is opened on the guide member 13.

[0031] like Figure 3 As shown, the inner cylinder 2 is fixedly mounted on the base 15 to separate the inner cylinder 2 and the space between the inner cylinder 2 and the outer cylinder 1 , and the upper end of the inner cylinder 2 is fixedly connected to the guide member 13 .

[0032] In this embodiment, a guide hole 16 is formed on the guide member 13 for connecting the inner cavity of the inner cylinder 2 with the cavity between the outer cylinder 1 and the inner cylinder 2 .

[0033] like Figure 2 , Figure 4 and Figure 5 As shown, the piston rod 3 comprises a round rod section 4 and a sleeve section 5 connected below the round rod section 4 .

[0034] The upper end of the round rod segment 4 is used to connect with the automobile suspension and is coaxially slidably assembled in the sliding hole 14. The round rod segment 4 is sealed and slidably connected with the guide member 13. A connecting hole is opened on the circumference of the sleeve segment 5. The sleeve segment 5 is provided with a solenoid valve 6. The solenoid valve 6 connects the inside of the sleeve segment 5 with the outside through the connecting hole.

[0035] The valve stem 7 includes a circular ring section 8 provided at the lower end of the sleeve section 5 to seal the interior of the sleeve section 5 and a straight cylinder section 9 coaxially connected below the circular ring section 8. The circular ring section 8 is provided below the electromagnetic valve 6. The valve stem 7 is used to connect the electromagnetic valve 6 with the inner cavity of the inner cylinder 2.

[0036] The restoring valve 10 is sleeved on the straight tube section 9 and adapted to the inner tube 2. The restoring valve 10 divides the interior of the inner tube 2 into an upper chamber 11 and a lower chamber 12. The upper chamber 11 and the lower chamber 12 are connected through the restoring valve 10. One end of the solenoid valve 6 is connected to the upper chamber 11, and the other end is connected to the lower chamber 12 through the valve stem 7.

[0037] When in use, a shock absorber structure of the utility model adjusts the magnetic force of the solenoid valve 6 to change the flow rate of the oil through the solenoid valve 6, thereby changing the damping force formed by the oil in the upper chamber 11 or the lower chamber 12, and finally achieving the purpose of ensuring a good shock absorption effect for the automobile under different working conditions.

[0038] The shock absorber structure of the utility model has a simple structure when in use, and improves the shock absorption effect of the automobile under different working conditions by adjusting the magnetic force of the solenoid valve, so that the damping force formed by the solenoid valve meets the required shock absorption demand.

[0039] According to the above description of this specification, those skilled in the art may also understand that the terms used below, such as "upper", "lower", "bottom", "inner" and other terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings of this specification, which are only for the purpose of facilitating the explanation of the scheme of the utility model and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms cannot be understood or interpreted as limitations on the scheme of the utility model.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

[0041] In addition, in the description of this specification, “plurality” means at least two, for example, two, three or more, etc., unless otherwise clearly and specifically defined.

Claims

1. A shock absorber structure, characterized in that: include: The outer cylinder is defined as having an axial direction of the outer cylinder as the up-down direction; The inner cylinder is coaxially arranged in the outer cylinder and filled with oil. A piston rod is slidably mounted in the inner cylinder. The upper end of the piston rod is used to connect with the automobile suspension. The piston rod includes a round rod section and a sleeve section connected below the round rod section. A solenoid valve is arranged in the sleeve section. The valve stem comprises a circular ring section arranged at the lower end of the sleeve section to seal the interior of the sleeve section and a straight cylinder section coaxially connected below the circular ring section, and the solenoid valve is arranged above the circular ring section; A recovery valve is sleeved on the straight tube section and adapted to the inner tube, the recovery valve divides the inner tube into an upper chamber and a lower chamber, and the upper chamber and the lower chamber are connected through the recovery valve; One end of the solenoid valve is communicated with the upper chamber, and the other end is communicated with the lower chamber through a valve stem.

2. A shock absorber structure according to claim 1, characterized in that: The upper ends of the outer cylinder and the inner cylinder are provided with guide pieces, and the guide pieces are provided with sliding holes extending in the up-down direction. The round rod section is adapted to the sliding hole and is slidably assembled in the sliding hole in the up-down direction.

3. A shock absorber structure according to claim 1, characterized in that: A base is provided at the bottom of the outer cylinder, and the inner cylinder is fixedly supported on the base.

4. A shock absorber structure according to any one of claims 1 to 3, characterized in that: A communicating hole is provided on the circumference of the sleeve section, and the interior of the solenoid valve is communicated with the upper chamber through the communicating hole.

5. A shock absorber structure according to any one of claims 1 to 3, characterized in that: A mounting piece is coaxially arranged on the outer side wall of the outer cylinder to fix the outer cylinder.

6. A shock absorber structure according to any one of claims 1 to 3, characterized in that: A U-shaped piece is coaxially arranged on the outer side wall of the outer cylinder, and the U-shaped piece is used for installing the distribution valve.

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