Shock absorber with multi-spring independent suspension structure

Abstract

The utility model relates to the technical field of shock absorbers, and discloses a shock absorber with a multi-spring independent suspension structure, which comprises two upper dustproof threaded sleeves and two lower dustproof threaded sleeves telescopically inserted in the upper dustproof threaded sleeves, the two ends of the double-wishbone suspension lower connecting rod are in threaded connection with lower sealing heads, and the upper end of the upper dustproof threaded sleeve is fixedly sleeved with a double-wishbone suspension upper connecting rod; and the two spring shock absorbers are inserted into the upper dustproof threaded sleeves, and one ends of the spring shock absorbers are fixed on the upper connecting rods of the double-wishbone suspension. The utility model has the advantages of convenient assembly, firmer and more reliable structure, and convenient maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a shock absorber with a multi-spring independent suspension structure. Background Technique

[0002] The existing Chinese patent publication number is (CN219932826U), which discloses an electric vehicle shock absorber assembly, including: the middle end of the support column body, the upper surface of the middle end of the support column body is fixedly connected with the upper end of the support column body, the lower surface of the middle end of the support column body is fixedly connected with the lower end of the support column body, a spring structure, the spring structure includes a spring pad, an upper fixed column and a push rod body, the number of the push rod bodies is multiple and distributed up and down, the upper surface of the upper push rod body is fixedly connected with the upper end of the push rod, and a limiting frame is fixedly connected to one side of the middle end of the support column body close to the push rod body. Through the above structure, it is convenient to replace the dust cover in the shock absorber assembly, and the operation is simple;

[0003] However, this structure has many refined components and is complex. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: in order to overcome the problems existing above, a shock absorber with a multi-spring independent suspension structure is provided, which solves the above problems.

[0005] The utility model solves its technical problems by adopting the following technical solutions:

[0006] A shock absorber with a multi-spring independent suspension structure includes two upper dust-proof threaded sleeves and two lower dust-proof threaded sleeves telescopically inserted into the upper dust-proof threaded sleeves. It also includes a double-wishbone suspension lower link, and lower sealing heads are threadedly connected to both ends of the double-wishbone suspension lower link. A double-wishbone suspension upper link is fixedly sleeved at the upper end of the upper dust-proof threaded sleeve. It also includes two spring shock absorbers inserted into the upper dust-proof threaded sleeve and fixed at one end to the double-wishbone suspension upper link. The other end of the spring shock absorber passes through the lower sealing head and is hinged to the end of the double-wishbone suspension lower link. A suspension middle link is fixedly sleeved between the upper dust-proof threaded sleeves. An upper sealing head is connected to the lower end of the upper dust-proof threaded sleeve, and a rubber wiper ring for sliding and sealing with the lower dust-proof threaded sleeve is embedded in the upper sealing head.

[0007] Preferably, the upper end of the upper sealing head is provided with a threaded structure, and an internal thread is provided at the lower end of the upper dust-proof threaded sleeve for threaded connection with the upper sealing head, which is convenient for the installation of the upper sealing head.

[0008] Preferably, the rubber wiper ring is inserted from above the upper sealing head, and the upper end surface of the rubber wiper ring abuts against the lower end surface of the upper dust-proof threaded sleeve. In this way, after the rubber wiper ring fails, only need to unscrew the upper sealing head, then take out the rubber wiper ring and replace it with a new one, and then screw the upper sealing head into the upper dust-proof threaded sleeve.

[0009] Preferably, the lower dust-proof threaded sleeve is made of stainless steel.

[0010] Preferably, the side wall surface of the lower dust-proof threaded sleeve is sprayed with a hydrophobic coating, effectively avoiding the residue of water stains.

[0011] Preferably, a steering rod is rotatably connected between the upper link of the double-wishbone suspension and the middle link of the suspension through a thrust ball bearing.

[0012] The advantages and positive effects of the present utility model are: convenient assembly, more firm and reliable structure, and convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] Reference numerals: 10, upper dust-proof threaded sleeve; 11, middle link of the suspension; 12, lower dust-proof threaded sleeve; 13, lower sealing head; 14, lower link of the double-wishbone suspension; 15, upper sealing head; 16, rubber wiper ring; 17, spring shock absorber; 18, upper link of the double-wishbone suspension; 19, steering rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Now the present utility model will be further described in detail with reference to the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0017] The following will further describe the embodiments of the present utility model in detail with reference to the drawings:

[0018] As Figure 1As shown in the figure, a shock absorber with a multi-spring independent suspension structure according to the present utility model includes two upper dust-proof threaded sleeves 10 and two lower dust-proof threaded sleeves 12 telescopically inserted into the upper dust-proof threaded sleeves 10. It further includes a double-wishbone suspension lower link 14, and lower sealing heads 13 are threadedly connected to both ends of the double-wishbone suspension lower link 14. A double-wishbone suspension upper link 18 is fixedly sleeved on the upper end of the upper dust-proof threaded sleeve 10. It also includes two spring shock absorbers 17 inserted into the upper dust-proof threaded sleeve 10 and fixed at one end to the double-wishbone suspension upper link 18. The other end of the spring shock absorber 17 passes through the lower sealing head 13 and is hinged to the end of the double-wishbone suspension lower link 14. A suspension center link 11 is fixedly sleeved between the upper dust-proof threaded sleeves 10. An upper sealing head 15 is connected to the lower end of the upper dust-proof threaded sleeve 10, and a rubber wiper ring 16 for sliding and sealing with the lower dust-proof threaded sleeve 12 is embedded in the upper sealing head 15.

[0019] Preferably, the upper end of the upper sealing head 15 has a threaded structure, and the lower end of the upper dust-proof threaded sleeve 10 has an internal thread for threaded connection with the upper sealing head 15, which facilitates the installation of the upper sealing head 15.

[0020] Preferably, the rubber wiper ring 16 is inserted from above the upper sealing head 15, and the upper end face of the rubber wiper ring 16 abuts against the lower end face of the upper dust-proof threaded sleeve 10. In this way, after the rubber wiper ring 16 fails, only need to unscrew the upper sealing head 15, then take out the rubber wiper ring 16 and replace it with a new one, and then screw the upper sealing head 15 into the upper dust-proof threaded sleeve 10.

[0021] Preferably, the lower dust-proof threaded sleeve 12 is made of stainless steel.

[0022] Preferably, the side wall surface of the lower dust-proof threaded sleeve 12 is sprayed with a hydrophobic coating, effectively avoiding the residue of water stains.

[0023] Preferably, a steering rod 19 is rotatably connected between the double-wishbone suspension upper link 18 and the suspension center link 11 through a thrust ball bearing.

[0024] It should be emphasized that the embodiments described in the present utility model are illustrative rather than restrictive. Therefore, the present utility model is not limited to the embodiments described in the specific embodiments. Any other embodiments obtained by those skilled in the art according to the technical solutions of the present utility model also belong to the scope of protection of the present utility model.

Claims

1. A shock absorber with a multi-spring independent suspension structure, characterized in that: The invention comprises two upper dustproof threaded sleeves (10) and two lower dustproof threaded sleeves (12) telescopically inserted in the upper dustproof threaded sleeves (10), and also comprises a double-wishbone suspension lower link (14), and lower sealing heads (13) are provided at both ends of the double-wishbone suspension lower link (14) in threaded connection, a double-wishbone suspension upper link (18) is fixedly provided at the upper end of the upper dustproof threaded sleeve (10), and also comprises two lower dustproof threaded sleeves (12) inserted in the upper dustproof threaded sleeves (10) and fixed at one end to the double-wishbone suspension upper link ( 18), the other end of the spring shock absorber (17) passes through the lower sealing head (13) and is hinged to the end of the double wishbone suspension lower link (14), a suspension center link (11) is also fixedly provided between the upper dustproof threaded sleeve (10), an upper sealing head (15) is connected to the lower end of the upper dustproof threaded sleeve (10), and a rubber wiper ring (16) for sliding sealing with the lower dustproof threaded sleeve (12) is embedded in the upper sealing head (15).

2. The shock absorber with a multi-spring independent suspension structure according to claim 1, characterized in that: The upper end of the upper sealing head (15) is provided with a threaded structure, and the lower end of the upper dustproof threaded sleeve (10) is provided with an internal thread for threaded connection with the upper sealing head (15), thereby facilitating the installation of the upper sealing head (15).

3. The shock absorber with a multi-spring independent suspension structure according to claim 2, characterized in that: The rubber wiper ring (16) is installed from above the upper sealing head (15) and the upper end surface of the rubber wiper ring (16) is against the lower end surface of the upper dustproof threaded sleeve (10). In this way, after the rubber wiper ring (16) fails, it is only necessary to unscrew the upper sealing head (15), then take out the rubber wiper ring (16) and replace it with a new one, and then screw the upper sealing head (15) into the upper dustproof threaded sleeve (10).

4. The shock absorber with a multi-spring independent suspension structure according to claim 3, characterized in that: The lower dustproof threaded sleeve (12) is made of stainless steel.

5. The shock absorber with a multi-spring independent suspension structure according to claim 4, characterized in that: The side wall surface of the lower dustproof threaded sleeve (12) is sprayed with a hydrophobic coating, which effectively avoids residual water stains.

6. The shock absorber with a multi-spring independent suspension structure according to claim 5, characterized in that: A steering rod (19) is provided between the double wishbone suspension upper link (18) and the suspension center link (11) in rotational connection via a thrust ball bearing.

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