CN219413383U

CN219413383U - Internal and external double-spring adjustable rear shock absorber

Info

Publication number: CN219413383U
Application number: CN202320553345.4U
Authority: CN
Inventors: 凃利坚; 王加定
Original assignee: Wenzhou Songda Shock Absorber Co ltd
Current assignee: Wenzhou Songda Shock Absorber Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-25
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to the technical field of shock absorbers, in particular to an inner-outer double-spring adjustable rear shock absorber which comprises a base and a pressure plate arranged above the base, wherein a plurality of groups of shock absorber components are arranged between the pressure plate and the base side by side; the two ends of the base are fixedly provided with mounting side plates, and a buffer assembly is arranged between the two mounting side plates and comprises a sliding rod, two buffer springs, two sliding seats, two fixing seats and two connecting rods. When the downward moving distance of the pressure plate exceeds the set range, the sliding seat is contacted with the buffer springs, and a part of force can be counteracted by the buffer springs, so that the excessive compression range of the inner springs and the outer springs in the shock absorber assembly can be avoided, and the service life of the shock absorber assembly is prolonged.

Description

Internal and external double-spring adjustable rear shock absorber

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to an inner and outer double-spring adjustable rear shock absorber.

Background

The conventional motorcycle rear shock absorber is generally provided with a shock absorbing spring for bearing load to absorb shock, and along with the continuous improvement of the comfort requirement of customers on the motorcycle rear shock absorber, a double-spring motorcycle rear shock absorber with two springs simultaneously arranged on the rear shock absorber is designed by a shock absorber manufacturer, and the double-spring motorcycle rear shock absorber can be divided into a parallel double-spring (or called inner and outer double-springs) rear shock absorber and a channeling double-spring (or called upper and lower double-springs) rear shock absorber according to the combination form of the double-spring motorcycle rear shock absorber springs.

The bearing capacity of the rear shock absorber of the common single-spring motorcycle is low, the spring stiffness of the shock absorber is single, different requirements on the counter force of the rear shock absorber assembly when a single person takes a seat, double persons take a seat and heavy loads cannot be met well at the same time, and when the bearing seat is pressed too much, the compression degree of the spring in the shock absorber can be increased, so that the service life of the shock absorber is shortened.

Disclosure of Invention

The utility model aims at solving the technical problems in the background technology and provides an inner and outer double-spring adjustable rear shock absorber.

The technical scheme of the utility model is as follows: the inner and outer double-spring adjustable rear shock absorber comprises a base and a pressure plate arranged above the base, wherein a plurality of groups of shock absorber components are arranged between the pressure plate and the base side by side; the both ends of base are all fixed and are provided with the installation curb plate, install buffer assembly between two installation curb plates, buffer assembly includes slide bar, two buffer springs, two sliding seats, two fixing bases and two connecting rods, wherein, two buffer springs overlap respectively and establish the both ends of installing at the slide bar, two equal slidable mounting of sliding seat are on the slide bar, two fixing bases are all fixed to be set up in the bottom of pressure plate, all are connected through the connecting rod between the fixing base of sliding seat and corresponding one side, and the both ends of connecting rod are articulated with sliding seat and fixing base respectively.

Preferably, the shock absorber component comprises a damping telescopic rod, an inner spring and an outer spring, wherein the damping telescopic rod comprises a damping sleeve and a movable shaft, the damping sleeve and the movable shaft are respectively fixedly connected with a base and a pressure plate, the end part of the movable shaft is slidably mounted on the inner side of the damping sleeve, and the inner spring and the outer spring are respectively sleeved on the damping telescopic rod.

Preferably, the movable shaft is fixedly provided with a circular cover, an opening of the circular cover faces downwards, the movable shaft is provided with a circular ring A in a sliding mode, a circular ring B is arranged on the inner side of the circular cover in a sliding mode, the circular ring A and the circular ring B are respectively abutted against an inner spring and an outer spring, the bottom ends of the damping sleeve are provided with fixing rings, the bottom ends of the inner spring and the outer spring are respectively abutted against the fixing rings, and the circular cover is connected with a plurality of butterfly bolts in a threaded mode.

Preferably, four butterfly bolts are arranged along the annular array, wherein the end parts of two opposite butterfly bolts are abutted against the annular ring A, and the end parts of the other two butterfly bolts are abutted against the annular ring B.

Preferably, the bottom middle part of pressure plate is located to multiunit bumper shock absorber subassembly, and buffer subassembly is provided with two sets of, and two sets of buffer subassembly are located the both sides of bumper shock absorber subassembly respectively, and the equal slidable mounting in both ends of two slide bars has the stopper, is fixed with the connecting plate between two stoppers of corresponding one side, installs the drive assembly that is used for driving two connecting plates and is close to each other or keep away from between two installation curb plates.

Preferably, the driving assembly comprises a bidirectional screw rod and a crank, a guide rod is fixedly connected between the two installation side plates, the two connecting plates are all arranged on the guide rod in a sliding mode, the bidirectional screw rod is installed between the two installation side plates in a rotating mode, the two connecting plates are symmetrically arranged on the bidirectional screw rod and are all in threaded connection with the bidirectional screw rod, and the crank is fixed at the end portion of the bidirectional screw rod.

Preferably, the two sides of the pressure plate are both fixed with sliding blocks, and the inner sides of the two mounting side plates are both provided with sliding grooves for sliding the sliding blocks.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: the shock absorber subassembly that sets up can play shock attenuation buffering's effect to the pressure board, when the pressure that the pressure board bore is too big, and the time the downward movement distance of pressure board gets longer, and the pressure board is at the in-process of downward movement, and the drive connecting rod takes place to rotate, and when the downward movement distance exceeded the settlement scope, the sliding seat begins to contact with buffer spring, and a plurality of buffer springs can offset a part of force to can avoid the compression scope of interior spring and outer spring in the shock absorber subassembly too big, prolonged the life of shock absorber subassembly from this.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the damper assembly according to the present utility model.

Fig. 3 is an exploded view of the shock absorber assembly of the present utility model.

Reference numerals: 1. a base; 2. a pressure plate; 3. installing a side plate; 301. a chute; 4. damping telescopic rod; 41. a damping sleeve; 42. a movable shaft; 5. an inner spring; 6. an outer spring; 7. a circular cover; 8. a circular ring A; 9. a circular ring B; 10. a butterfly bolt; 11. a fixing ring; 12. a slide bar; 13. a sliding seat; 14. a connecting rod; 15. a limiting block; 16. a buffer spring; 17. a connecting plate; 18. a two-way screw rod; 19. a crank; 20. a fixing seat; 21. a guide rod.

Detailed Description

Example 1

As shown in fig. 1-3, the utility model provides an inner and outer double-spring adjustable rear shock absorber, which comprises a base 1 and a pressure plate 2 arranged above the base 1, wherein a plurality of groups of shock absorber components are arranged between the pressure plate 2 and the base 1 side by side; the two ends of the base 1 are fixedly provided with mounting side plates 3, the two sides of the pressure plate 2 are fixedly provided with sliding blocks, sliding grooves 301 for sliding the sliding blocks are formed in the inner sides of the two mounting side plates 3, a buffer assembly is mounted between the two mounting side plates 3 and comprises a sliding rod 12, two buffer springs 16, two sliding seats 13, two fixing seats 20 and two connecting rods 14, wherein the two buffer springs 16 are respectively sleeved at the two ends of the sliding rod 12, the two sliding seats 13 are slidably mounted on the sliding rod 12, the two fixing seats 20 are fixedly arranged at the bottom end of the pressure plate 2, the sliding seats 13 are connected with the fixing seats 20 on the corresponding sides through the connecting rods 14, and the two ends of the connecting rods 14 are hinged with the sliding seats 13 and the fixing seats 20 respectively.

The plurality of groups of shock absorber components are arranged in the middle of the bottom end of the pressure plate 2, the two groups of shock absorber components are respectively arranged at two sides of the shock absorber components, the two ends of the two sliding rods 12 are respectively provided with a limiting block 15 in a sliding manner, a connecting plate 17 is fixed between the two limiting blocks 15 at the corresponding side, and a driving component for driving the two connecting plates 17 to be close to or far away from each other is arranged between the two mounting side plates 3; the driving assembly comprises a bidirectional screw rod 18 and a crank 19, a guide rod 21 is fixedly connected between the two mounting side plates 3, the two connecting plates 17 are both arranged on the guide rod 21 in a sliding manner, the bidirectional screw rod 18 is rotatably mounted between the two mounting side plates 3, the two connecting plates 17 are symmetrically arranged on the bidirectional screw rod 18 and are both in threaded connection with the bidirectional screw rod 18, and the crank 19 is fixed at the end part of the bidirectional screw rod 18; the distance between the two buffer springs 16 can be adjusted through the arranged driving assembly, and when the distance between the two buffer springs 16 is shortened, the sliding seat 13 can be in contact with the buffer springs 16 in advance.

The working principle of the utility model is as follows: the shock absorber subassembly that sets up can play shock attenuation buffering's effect to pressure board 2, when the pressure that pressure board 2 bore is too big, and the downward movement distance of pressure board 2 becomes longer this moment, and pressure board 2 is at the in-process of downward movement, and drive connecting rod 14 takes place to rotate, and when the downward movement distance exceeded the settlement scope, sliding seat 13 began to contact with buffer spring 16, and a plurality of buffer springs 16 can offset a part of force to the compression scope of inner spring 5 and outer spring 6 in the shock absorber subassembly is too big, has prolonged the life of shock absorber subassembly from this.

Example two

As shown in fig. 2-3, the utility model provides an inner and outer double-spring adjustable rear shock absorber, a shock absorber component comprises a damping telescopic rod 4, an inner spring 5 and an outer spring 6, the damping telescopic rod 4 comprises a damping sleeve 41 and a movable shaft 42, the damping sleeve 41 and the movable shaft 42 are respectively fixedly connected with a base 1 and a pressure plate 2, the end part of the movable shaft 42 is slidably arranged at the inner side of the damping sleeve 41, and the inner spring 5 and the outer spring 6 are respectively sleeved on the damping telescopic rod 4; a circular cover 7 is fixed on the movable shaft 42, the opening of the circular cover 7 faces downwards, a circular ring A8 is slidably arranged on the movable shaft 42, a circular ring B9 is slidably arranged on the inner side of the circular cover 7, the circular ring A8 and the circular ring B9 are respectively abutted against the inner spring 5 and the outer spring 6, a fixed ring 11 is arranged at the bottom end of the damping sleeve 41, the bottom ends of the inner spring 5 and the outer spring 6 are respectively abutted against the fixed ring 11, and a plurality of butterfly bolts 10 are connected with the circular cover 7 in a threaded manner; four butterfly bolts 10 are arranged along the annular array, wherein the end parts of two butterfly bolts 10 which are oppositely arranged are abutted against the annular ring A8, and the end parts of the other two butterfly bolts 10 are abutted against the annular ring B9.

In this embodiment, the ring A8 and the ring B9 that are provided can both move up and down, so that the precompression of the inner spring 5 and the outer spring 6 can be adjusted, the precompression adjusting range of the inner spring 5 and the outer spring 6 is wider, and the larger the range of the counter force of the damper assembly is, so that different counter force requirements can be adapted to a greater extent.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The rear shock absorber with the adjustable inner spring and the outer spring is characterized by comprising a base (1) and a pressure plate (2) arranged above the base (1), wherein a plurality of groups of shock absorber components are arranged between the pressure plate (2) and the base (1) side by side; the two ends of the base (1) are fixedly provided with mounting side plates (3), a buffer assembly is mounted between the two mounting side plates (3), the buffer assembly comprises a sliding rod (12), two buffer springs (16), two sliding seats (13), two fixing seats (20) and two connecting rods (14), wherein the two ends of the sliding rod (12) are respectively sleeved with the two buffer springs (16), the two sliding seats (13) are respectively and slidably mounted on the sliding rod (12), the two fixing seats (20) are fixedly arranged at the bottom ends of the pressure plate (2), the sliding seats (13) are connected with the corresponding fixing seats (20) on one side through the connecting rods (14), and the two ends of the connecting rods (14) are respectively hinged with the sliding seats (13) and the fixing seats (20).

2. The internal and external double-spring adjustable rear shock absorber according to claim 1, wherein the shock absorber component comprises a damping telescopic rod (4), an inner spring (5) and an outer spring (6), the damping telescopic rod (4) comprises a damping sleeve (41) and a movable shaft (42), the damping sleeve (41) and the movable shaft (42) are fixedly connected with a base (1) and a pressure plate (2) respectively, the end part of the movable shaft (42) is slidably mounted on the inner side of the damping sleeve (41), and the inner spring (5) and the outer spring (6) are sleeved on the damping telescopic rod (4).

3. The internal and external double-spring adjustable rear shock absorber according to claim 2, wherein a circular cover (7) is fixed on the movable shaft (42), an opening of the circular cover (7) faces downwards, a circular ring A (8) is slidably installed on the movable shaft (42), a circular ring B (9) is slidably installed on the inner side of the circular cover (7), the circular ring A (8) and the circular ring B (9) are respectively abutted against the inner spring (5) and the outer spring (6), a fixed ring (11) is arranged at the bottom end of the damping sleeve (41), the bottom ends of the inner spring (5) and the outer spring (6) are abutted against the fixed ring (11), and a plurality of butterfly bolts (10) are connected to the circular cover (7) in a threaded mode.

4. A rear shock absorber with adjustable internal and external double springs according to claim 3, characterized in that the number of the butterfly bolts (10) is four along the annular array, wherein the end parts of two butterfly bolts (10) which are arranged oppositely are abutted against the circular ring a (8), and the end parts of the other two butterfly bolts (10) are abutted against the circular ring B (9).

5. The internal and external double-spring adjustable rear shock absorber according to claim 1, wherein a plurality of groups of shock absorber components are arranged in the middle of the bottom end of the pressure plate (2), two groups of shock absorber components are arranged, the two groups of shock absorber components are respectively arranged on two sides of the shock absorber components, limiting blocks (15) are slidably arranged at two ends of two sliding rods (12), connecting plates (17) are fixed between the two limiting blocks (15) on the corresponding side, and a driving component for driving the two connecting plates (17) to be close to or far away from each other is arranged between the two mounting side plates (3).

6. The internal and external double-spring adjustable rear shock absorber according to claim 5, wherein the driving assembly comprises a bidirectional screw rod (18) and a crank (19), a guide rod (21) is fixedly connected between the two mounting side plates (3), the two connecting plates (17) are both arranged on the guide rod (21) in a sliding mode, the bidirectional screw rod (18) is rotatably mounted between the two mounting side plates (3), the two connecting plates (17) are symmetrically arranged on the bidirectional screw rod (18) and are both in threaded connection with the bidirectional screw rod (18), and the crank (19) is fixed at the end portion of the bidirectional screw rod (18).

7. The internal and external double-spring adjustable rear shock absorber according to claim 1, wherein sliding blocks are fixed on two sides of the pressure plate (2), and sliding grooves (301) for sliding the sliding blocks are formed on inner sides of the two mounting side plates (3).