Efficient dustproof automobile spiral spring shock absorber

Abstract

The utility model discloses an efficient dustproof automobile spiral spring shock absorber which structurally comprises a shock absorber body, a fixing shaft and a fixing base, the top of the shock absorber body is connected with the fixing shaft, and the bottom of the shock absorber body is connected with the fixing base. The shock absorber body comprises a lower piston, a shock absorption rod, an upper piston, a spiral spring, a dustproof shell and a dustproof block, the lower piston is connected with the upper piston through the shock absorption rod, the upper end and the lower end of the spiral spring are connected to the lower piston and the upper piston respectively, the dustproof shell is fixedly installed at the bottom of the lower piston, and the dustproof block is arranged at the top end of the dustproof shell. The dustproof block is movably matched with the side end face of the upper piston; the dust scraping ring is supported by the scraping ferrule, scraping is carried out through vibration generated when the shock absorber body works, the scraped dust can be guided to the side end of the dustproof shell through the dust guide groove, the dust is prevented from entering the shock absorber body, and unnecessary abrasion caused by friction between the shock absorber body and the dust during working is avoided.

Description

Technical Field

[0001] This utility model relates to the field of automotive shock absorber springs, and in particular to a high-efficiency dustproof automotive coil spring shock absorber. Background Technology

[0002] Car coil springs are responsible for supporting the weight of the vehicle body and cushioning road impacts, converting mechanical energy into the elastic potential energy of the spring. Shock absorbers, through internal damping devices, convert the mechanical energy of the spring's vibration into heat energy, thereby suppressing the spring's reciprocating vibration. Coil springs have good elasticity and flexibility, effectively cushioning impacts; they can provide a large axle height and wheel travel; compared to some other shock absorbers, they are lighter, helping to reduce unsprung mass and improve vehicle handling and sportiness; they have good durability and can withstand large loads for a long time; through reasonable design, they can adapt to various vibration frequencies and operating conditions. Existing car coil spring shock absorbers are installed at the bottom of the car, and dust raised by the car during driving easily adheres to the end face of the coil spring shock absorber. Prolonged vibration of the coil spring shock absorber allows dust to enter the interior, increasing wear and tear during operation and accelerating the damage rate of the coil spring shock absorber. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model is achieved through the following technical solution:

[0004] As a further optimization of this technical solution, its structure includes a shock absorber body, a fixed shaft, and a fixed base. The top of the shock absorber body is connected to the fixed shaft, and the bottom of the shock absorber body is connected to the fixed base.

[0005] The main body of the shock absorber includes a lower piston, a shock absorber rod, an upper piston, a coil spring, a dustproof shell, and a dustproof block. The lower piston is connected to the upper piston through the shock absorber rod. The upper and lower ends of the coil spring are respectively connected to the lower piston and the upper piston. The dustproof shell is fixedly installed at the bottom of the lower piston, and the dustproof block is located at the top of the dustproof shell. At the same time, the dustproof block is movably engaged with the side end face of the upper piston.

[0006] The dustproof block includes a dustproof ring, a scraping collar, and a dust guide groove. There are five dustproof rings arranged on the inner end face of the dustproof block. The scraping collar is located at the top inside of the dustproof block. The dust guide groove extends from the top of the dustproof block to the side end.

[0007] The top of the scraping collar is equipped with a dust scraping ring.

[0008] As a further optimization of this technical solution, the dustproof housing includes a fixed base, a sealing ring, and fixing bolts. The fixed base is fixedly connected to the bottom of the dustproof housing by the fixing bolts, and the sealing ring is disposed between the fixed base and the lower piston. The sealing ring can improve the sealing performance of the dustproof housing and prevent dust from entering the interior through the bottom of the dustproof housing. At the same time, disassembling the fixed base can remove the entire dustproof housing, which facilitates the maintenance of the helical spring shock absorber.

[0009] As a further optimization of this technical solution, the dustproof block is installed on the end face of the dustproof shell and can be disassembled.

[0010] As a further optimization of this technical solution, the scraping ring is made of metal and has a certain degree of toughness.

[0011] As a further optimization of this technical solution, the dust scraper ring is made of rubber and can fit against the end face of the upper piston to facilitate the scraping off of dust adhering to the end face of the upper piston.

[0012] As a further optimization of this technical solution, the dustproof block support is attached to the end face of the upper piston to provide multi-layer sealing for the dustproof shell. Beneficial effects

[0013] This utility model provides a high-efficiency dustproof automotive coil spring shock absorber, which has the following advantages compared with the prior art:

[0014] 1. This utility model utilizes a dustproof shell to prevent dust from directly entering the interior of the shock absorber body. The gap between the lower piston and the fixed base is sealed by a sealing ring, which can prevent dust from entering the interior of the shock absorber body from the position of the lower piston. The gap between the upper piston and the dustproof shell can be sealed by the dust scraping ring on the end face of the dustproof block.

[0015] 2. This utility model utilizes the scraping ring to support the dust scraping ring, which scrapes away dust through the vibration generated when the shock absorber body is working. The scraped dust can be guided to the side of the dustproof shell through the dust guide groove, preventing dust from entering the interior of the shock absorber body and avoiding unnecessary wear caused by friction between the shock absorber body and the dust. Attached Figure Description

[0016] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of a high-efficiency dustproof automotive coil spring shock absorber according to this utility model.

[0018] Figure 2This is a front view cross-sectional structural diagram of the main body of the high-efficiency dustproof automotive coil spring shock absorber according to this utility model.

[0019] Figure 3 This is a front view sectional view of the scraping ring dustproof block of a high-efficiency dustproof automotive coil spring shock absorber according to the present invention.

[0020] Figure 4 This is a schematic diagram of the structure of a high-efficiency dustproof automotive coil spring shock absorber according to this utility model.

[0021] Figure 5 This is a front view cross-sectional view of the bottom of the dustproof housing of a high-efficiency dustproof automotive coil spring shock absorber according to this utility model.

[0022] In the diagram: Shock absorber body 1, fixed shaft 2, fixed base 3, lower piston 11, shock absorber rod 12, upper piston 13, coil spring 14, dustproof shell 15, dustproof block 16, dustproof ring 161, scraping collar 162, dust guide groove 163, dust scraping ring 164, fixed base 151, sealing ring 152, fixing bolt 153. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the preferred embodiments of this utility model are further described below in conjunction with specific implementation methods and accompanying drawings. Example

[0024] Please see Figures 1-5 This utility model provides a high-efficiency dustproof automotive coil spring shock absorber, the structure of which includes a shock absorber body 1, a fixed shaft 2, and a fixed base 3. The top of the shock absorber body 1 is connected to the fixed shaft 2, and the bottom of the shock absorber body 1 is connected to the fixed base 3.

[0025] The shock absorber body 1 includes a lower piston 11, a shock absorber rod 12, an upper piston 13, a coil spring 14, a dustproof shell 15, and a dustproof block 16. The lower piston 11 is connected to the upper piston 13 through the shock absorber rod 12. The upper and lower ends of the coil spring 14 are respectively connected to the lower piston 11 and the upper piston 13. The dustproof shell 15 is fixedly installed at the bottom of the lower piston 11. The dustproof block 16 is located at the top of the dustproof shell 15, and the dustproof block 16 is movably engaged with the side end face of the upper piston 13.

[0026] The dustproof block 16 includes a dustproof ring 161, a scraping collar 162, and a dust guide groove 163. Five dustproof rings 161 are provided and arranged on the inner end face of the dustproof block 16. The scraping collar 162 is located at the inner top of the dustproof block 16. The dust guide groove 163 extends from the top of the dustproof block 16 to the side end.

[0027] The top of the scraping collar 162 is provided with a dust scraping ring 164.

[0028] The dustproof housing 15 includes a fixed base 151, a sealing ring 152, and a fixing bolt 153. The fixed base 151 is fixedly connected to the bottom of the dustproof housing 15 by the fixing bolt 153. The sealing ring 152 is disposed between the fixed base 151 and the lower piston 11. The sealing ring 152 can improve the sealing performance of the dustproof housing 15, preventing dust from entering the interior through the bottom of the dustproof housing 15. At the same time, removing the fixed base 151 can remove the entire dustproof housing 15, which is convenient for the maintenance of the helical spring shock absorber.

[0029] The dustproof block 16 is snapped onto the end face of the dustproof housing 15 and can be disassembled.

[0030] The scraping ring 162 is made of metal and has a certain degree of toughness.

[0031] The dust scraper ring 164 is made of rubber and can move to fit the end face of the upper piston 13, making it easy to scrape off the dust adhering to the end face of the upper piston 13.

[0032] The dustproof block 16 is supported and fits against the end face of the upper piston 13, providing multi-layer sealing for the dustproof shell 15.

[0033] Working principle: The dustproof shell 15 is installed on the end face of the lower piston 11 by the cooperation of the fixed base 151 and the fixing bolt 153, which can prevent dust from directly entering the interior of the shock absorber body 1. Then, the gap between the lower piston 11 and the fixed base 151 is sealed by the sealing ring 152, which can prevent dust from entering the interior of the shock absorber body 1 from the position of the lower piston 11. The gap between the upper piston 13 and the dustproof shell 15 can be sealed by the dust scraper ring 164 on the end face of the dustproof block 16. At the same time, the rubber dust scraper ring 164 can move on the end face of the upper piston 13 without... Dust adhering to the end face of the upper piston 13, which affects the performance of the shock absorber body 1, can be scraped off by the scraping ring 162 supporting the dust scraping ring 164 through the vibration generated when the shock absorber body 1 is working. The scraped dust can be guided to the side of the dustproof shell 15 through the dust guide groove 163, and then through the multi-layer dustproof ring 161 and the upper piston 13 in motion cooperation, it can prevent the dust adhering to the end face of the upper piston 13 from entering the interior of the shock absorber body 1 due to the influence of vibration, so that the shock absorber body 1 can maintain normal operation and avoid unnecessary wear caused by friction between the shock absorber body 1 and the dust.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Without departing from the spirit or basic characteristics of this utility model, not only can this utility model be implemented in other specific forms, but various changes and modifications can also be made. All such changes and modifications fall within the scope of protection of this utility model. Therefore, the scope of protection of this utility model is defined by the appended claims and their equivalents, rather than by the foregoing description.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-efficiency dustproof automotive coil spring shock absorber, comprising a shock absorber body (1), a fixed shaft (2), and a fixed base (3), characterized in that: The top of the shock absorber body (1) is connected to the fixed shaft (2), while the bottom of the shock absorber body (1) is connected to the fixed base (3); The main body (1) of the shock absorber includes a lower piston (11), a shock absorber rod (12), an upper piston (13), a coil spring (14), a dustproof shell (15), and a dustproof block (16). The lower piston (11) is connected to the upper piston (13) through the shock absorber rod (12). The upper and lower ends of the coil spring (14) are respectively connected to the lower piston (11) and the upper piston (13). The dustproof shell (15) is fixedly installed at the bottom of the lower piston (11). The dustproof block (16) is set at the top of the dustproof shell (15), and the dustproof block (16) is movablely engaged with the side end face of the upper piston (13). The dustproof block (16) includes a dustproof ring (161), a scraping collar (162), and a dust guide groove (163). There are five dustproof rings (161), and the dustproof rings (161) are arranged on the inner end face of the dustproof block (16). The scraping collar (162) is located at the top inside of the dustproof block (16). The dust guide groove (163) extends from the top of the dustproof block (16) to the side end. The top of the scraping collar (162) is provided with a dust scraping ring (164).

2. The high efficiency dustproof automobile coil spring shock absorber according to claim 1, characterized in that: The dustproof housing (15) includes a fixed base (151), a sealing ring (152), and a fixing bolt (153). The fixed base (151) is fixedly connected to the bottom of the dustproof housing (15) by the fixing bolt (153). The sealing ring (152) is disposed between the fixed base (151) and the lower piston (11). The sealing ring (152) can improve the sealing performance of the dustproof housing (15) and prevent dust from entering the interior through the bottom of the dustproof housing (15). At the same time, the dustproof housing (15) can be completely removed by disassembling the fixed base (151), which is convenient for the maintenance of the helical spring shock absorber.

3. The high efficiency dustproof automobile coil spring shock absorber according to claim 1, characterized in that: The dustproof block (16) is installed on the end face of the dustproof shell (15) and can be disassembled.

4. The high efficiency dustproof automobile coil spring shock absorber according to claim 1, characterized in that: The scraping ring (162) is made of metal and has a certain degree of toughness.

5. The high efficiency dustproof automobile coil spring shock absorber according to claim 1, characterized in that: The dust scraper ring (164) is made of rubber and can fit against the end face of the upper piston (13) to facilitate the scraping of dust adhering to the end face of the upper piston (13).

6. The high efficiency dustproof automobile coil spring shock absorber according to claim 1, characterized in that: The dustproof block (16) supports the dustproof block (16) to fit against the end face of the upper piston (13) and provides multi-layer sealing for the dustproof shell (15).

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