CN221097312U

CN221097312U - Combined shock absorber

Info

Publication number: CN221097312U
Application number: CN202322993306.9U
Authority: CN
Inventors: 涂利坚; 李大秋
Original assignee: Wenzhou Songda Shock Absorber Co ltd
Current assignee: Wenzhou Songda Shock Absorber Co ltd
Filing date: 2023-11-06
Publication date: 2024-06-07
Anticipated expiration: 2033-11-06

Abstract

The utility model relates to the technical field of shock absorption, in particular to a combined shock absorber. The shock absorber comprises a shock absorber body, wherein a connecting cover is arranged at the top of the shock absorber body, a piston rod is arranged at the top of the connecting cover in an inserted mode, a fixing seat is connected to the top of the piston rod, a thread groove is formed in the fixing seat, a connecting column is connected to the thread groove in a threaded mode, a mounting plate is arranged at the top of the connecting column, a dust cover is connected to the lower end face of the mounting plate, and the dust cover is located outside the piston rod. The dust cover is arranged to protect the piston rod, the detachable mounting plate is connected with the piston rod and the fixing seat in a threaded manner, the dust cover is arranged below the mounting plate, the connecting disc is arranged at the bottom end of the dust cover, the connecting disc is matched with the fixing assembly and is detachably arranged on the connecting cover, once the dust cover needs to be cleaned, the mounting plate and the dust cover can be detached from the shock absorber together, and cleaning and maintenance of the dust cover are facilitated.

Description

Combined shock absorber

Technical Field

The utility model relates to the technical field of shock absorption, in particular to a combined shock absorber.

Background

A shock absorber is a device mounted on automobiles and other types of vehicles or machines for reducing vibration and shock generated during running or operation of the vehicle or equipment. The suspension system is an important component of a vehicle suspension system, and is mainly used for controlling the movement of a vehicle body or equipment and maintaining the stability of the vehicle or equipment so as to achieve the aim of improving the travelling comfort and the safety.

The Chinese patent with the issued publication number of CN219692121U discloses a split type shock absorber, wherein the main body of the shock absorber does not need to be connected with an external oil storage part, so that the use is more convenient; be provided with the dust cover in the piston rod outside, carry out dustproof processing to the piston rod, mounting panel and fixed part screw-thread fit are connected, and spring a's end compresses tightly the surface of mounting panel, makes mounting panel adjustable spring a's elasticity degree, uses more nimble.

The above-mentioned shock absorber is provided with a dust cover outside the piston rod, but is often located at the bottom of a vehicle or near the ground, is easily accumulated by environmental pollutants, and is easily adhered by greasy dirt on the inner side, so that the shock absorber needs to be detached for cleaning, but the dust cover is fixedly installed on the shock absorber and cannot be detached, so that maintainability is poor.

Disclosure of utility model

Aiming at the problems in the background technology, a combined shock absorber is provided. Be provided with the dust cover and protect the piston rod, have detachable mounting panel through piston rod and fixing base threaded connection, install the dust cover in the mounting panel below, the dust cover bottom is provided with the connection pad, with connection pad and fixed subassembly cooperation, detachable installs and covers, in case need clear up the dust cover, can dismantle mounting panel and dust cover together from the bumper shock absorber, conveniently washs the maintenance to the dust cover.

The utility model provides a combined shock absorber which comprises a shock absorber main body, wherein a connecting cover is arranged at the top of the shock absorber main body, a piston rod is inserted into the top of the connecting cover, the top end of the piston rod is connected with a fixing seat, a thread groove is formed in the fixing seat, a connecting column is connected in the thread groove in a threaded manner, a mounting plate is arranged at the top end of the connecting column, the lower end face of the mounting plate is connected with a dust cover, the dust cover is positioned on the outer side of the piston rod, a connecting disc is arranged at the bottom of the outer side of the dust cover, a fixing component matched with the connecting disc is arranged on the connecting cover, and a damping spring sleeved on the outer side of the dust cover is arranged between the connecting cover and the mounting plate.

Preferably, the fixed component comprises a rotating shaft, the rotating shaft is provided with a plurality of groups, the plurality of groups of rotating shafts are arranged on the connecting cover in a circumferential equidistant rotating manner through bearings, the top ends of the plurality of groups of rotating shafts are connected with strip-shaped plates, a plurality of groups of strip-shaped holes are formed in the connecting disc in a circumferential manner, the plurality of groups of strip-shaped holes are correspondingly arranged with the plurality of groups of strip-shaped plates, and one ends of the plurality of groups of strip-shaped plates are provided with limiting insertion holes.

Preferably, the connecting cover is provided with a plurality of grooves on one side of the rotating shaft, a strong spring is arranged in the grooves, the top end of the strong spring is connected with a sliding plate which is in sliding connection with the grooves, the sliding plate is connected with a limiting plug post, and the limiting plug post is in penetrating fit with the limiting plug hole.

Preferably, the lower end surface of the strip-shaped plate and the upper end surface of the connecting disc are positioned on the same horizontal plane.

Preferably, the dust cover is arranged into a flexible corrugated telescopic structure, and a protective coating is sprayed on the inner side of the dust cover.

Preferably, the shock absorber main body and the mounting plate are both provided with connecting rods, and the end parts of the connecting rods are provided with mounting rings.

Compared with the prior art, the utility model has the following beneficial technical effects: be provided with the dust cover and protect the piston rod, have detachable mounting panel through piston rod and fixing base threaded connection, install the dust cover in the mounting panel below, the dust cover bottom is provided with the connection pad, be provided with fixed subassembly on the connection cover, with connection pad and fixed subassembly cooperation, detachable installs and covers in the connection, in case need clear up the dust cover, can dismantle mounting panel and dust cover together from the bumper shock absorber, the convenience of dismouting is stronger, conveniently washs the maintenance to the dust cover, prolongs its life.

Drawings

FIG. 1 is a schematic view of a combined shock absorber according to the present utility model;

FIG. 2 is a schematic diagram of the split structure of FIG. 1;

FIG. 3 is a schematic view of the dust cap assembly of FIG. 1;

fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3.

Reference numerals: 1. a damper main body; 2. a connection cover; 3. a piston rod; 4. a fixing seat; 5. a thread groove; 6. a connecting column; 7. a mounting plate; 8. a dust cover; 9. a connecting disc; 10. a damping spring; 11. a rotating shaft; 12. a strip-shaped plate; 13. a bar-shaped hole; 14. limiting jack; 15. a groove; 16. a strong spring; 17. a slide plate; 18. limiting plug posts; 19. and (5) a mounting ring.

Detailed Description

Example 1

As shown in fig. 1-4, the combined shock absorber provided by the utility model comprises a shock absorber main body 1, wherein a connecting cover 2 is arranged at the top of the shock absorber main body 1, a piston rod 3 is arranged at the top of the connecting cover 2 in a penetrating manner, a fixing seat 4 is connected to the top end of the piston rod 3, a thread groove 5 is formed in the fixing seat 4, a connecting column 6 is connected to the inner thread of the thread groove 5, a mounting plate 7 is arranged at the top end of the connecting column 6, a dust cover 8 is connected to the lower end face of the mounting plate 7, the dust cover 8 is positioned outside the piston rod 3, a connecting disc 9 is arranged at the bottom outside the dust cover 8, a fixing component matched with the connecting disc 9 is arranged on the connecting cover 2, and a damping spring 10 sleeved outside the dust cover 8 is arranged between the connecting cover 2 and the mounting plate 7.

Further, the dust cover 8 is arranged to be of a flexible corrugated telescopic structure, a protective coating is sprayed on the inner side of the dust cover 8, and when the shock absorber is used, the dust cover 8 can be self-adaptively contracted along with the movement of the shock absorbing process piston rod 3 through the flexible telescopic structure.

Further, all be provided with the connecting rod on shock absorber main part 1 and the mounting panel 7, the connecting rod tip is provided with collar 19, conveniently connects shock absorber main part 1 and mounting panel 7 through collar 19.

The working principle of the utility model is as follows: during the use, install shock absorber main part 1 bottom and mounting panel 7 top in the suspension of vehicle, when the vehicle passes through the road section of jolting, can suffer vibrations, the vibrations force passes through mounting panel 7 and transmits to on the piston rod 3, the piston rod 3 can receive the effect and the inside oil of shock absorber main part 1 takes place to flow and produce frictional resistance, this kind of flow can consume kinetic energy, turn kinetic energy into heat energy gradually and weaken the vibrations of automobile body, dust cover 8 can be along with the removal of piston rod 3 and self-adaptation flexible in the shock attenuation process, can effectively block the inside of entering shock absorber main part 1 of tiny particulate matters such as dust, earth, sand grain through dust cover 8, avoid outside particulate matters to wearing and tearing and the scratch on piston rod 3 surface, the life of extension shock absorber.

Example two

As shown in fig. 1-4, the present utility model further discloses a combined shock absorber according to the present utility model, based on the above embodiment, the specific component of the fixing assembly is further disclosed in detail, which includes a rotating shaft 11, the rotating shaft 11 is provided with a plurality of groups, the plurality of groups of rotating shafts 11 are circumferentially and equidistantly rotatably disposed on the connecting cover 2 through bearings, the top ends of the plurality of groups of rotating shafts 11 are connected with a strip-shaped plate 12, a plurality of groups of strip-shaped holes 13 are circumferentially disposed on the connecting disc 9, the plurality of groups of strip-shaped holes 13 are disposed corresponding to the plurality of groups of strip-shaped plates 12, and one ends of the plurality of groups of strip-shaped plates 12 are all provided with limiting insertion holes 14.

Further, a plurality of grooves 15 positioned on one side of the rotating shaft 11 are formed in the connecting cover 2, a strong spring 16 is arranged in each groove 15, a sliding plate 17 in sliding connection with the grooves 15 is connected to the top end of each strong spring 16, a limiting inserting column 18 is connected to each sliding plate 17, and the limiting inserting columns 18 are in penetrating fit with the limiting inserting holes 14.

Wherein the lower end surface of the strip-shaped plate 12 is positioned at the same level as the upper end surface of the connecting disc 9, so that the strip-shaped plate 12 can prevent the connecting disc 9 from being separated from the connecting cover 2 when being assembled.

In this embodiment, when the dust cover 8 is installed, firstly, the bottom end of the dust cover 8 is sleeved outside the piston rod 3 and the fixed seat 4, then the mounting plate 7 is screwed on the fixed seat 4 through the connecting column 6, after the mounting is completed, the strip-shaped plate 12 is manually rotated to a certain position, so that the strip-shaped plate 12 is aligned with the strip-shaped hole 13, then the connecting disc 9 is pressed down, the strip-shaped plate 12 can pass through the connecting disc 9 through the strip-shaped hole 13 in the pressing process, after the strip-shaped plate 12 is pressed by one hand, the limiting plug column 18 drives the sliding plate 17 to extrude the powerful spring 16, the pressing process descends, the strip-shaped plate 12 is rotated by the other hand again, so that the limiting plug hole 14 on the strip-shaped plate 12 is aligned with the limiting plug column 18, at this moment, the limiting plug hole 18 is driven to pass through the strip-shaped plate 12 under the action of the elastic restoring force of the powerful spring 16, so that the strip-shaped plate 12 is limited, and then the connecting disc 9 is tightly mounted, at this moment, the dust cover 8 can be installed to the piston rod 3 from the outside, the dust cover 8 needs to be reversely operated, the whole protection cover 8 is removed, and the dust cover 8 is convenient to be maintained.

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 utility model provides a combination formula bumper shock absorber, a serial communication port, including bumper shock absorber main part (1), bumper shock absorber main part (1) top is provided with connecting cover (2), connecting cover (2) top interlude is provided with piston rod (3), piston rod (3) top is connected with fixing base (4), screw thread groove (5) have been seted up on fixing base (4), screw thread groove (5) internal thread connection has spliced pole (6), spliced pole (6) top is provided with mounting panel (7), the lower terminal surface of mounting panel (7) is connected with dust cover (8), dust cover (8) are located the piston rod (3) outside, the bottom in the dust cover (8) outside is provided with connection pad (9), be provided with on connecting cover (2) with connection pad (9) complex fixed subassembly, be provided with the cover between connecting cover (2) and mounting panel (7) and establish damping spring (10) in the dust cover (8) outside.

2. The combined shock absorber according to claim 1, wherein the fixing component comprises a plurality of groups of rotating shafts (11), the rotating shafts (11) are provided with the plurality of groups, the rotating shafts (11) are arranged on the connecting cover (2) in a circumferential equidistant rotating manner through bearings, the top ends of the rotating shafts (11) are connected with strip-shaped plates (12), the connecting disc (9) is provided with the plurality of groups of strip-shaped holes (13) in a circumferential manner, the strip-shaped holes (13) are correspondingly arranged with the strip-shaped plates (12), and one ends of the strip-shaped plates (12) are provided with limiting insertion holes (14).

3. The combined shock absorber according to claim 2, wherein a plurality of grooves (15) positioned on one side of the rotating shaft (11) are formed in the connecting cover (2), a strong spring (16) is arranged in each groove (15), a sliding plate (17) in sliding connection with the grooves (15) is connected to the top end of each strong spring (16), a limiting inserting column (18) is connected to the sliding plate (17), and the limiting inserting columns (18) are in penetrating fit with the limiting inserting holes (14).

4. A combined shock absorber according to claim 2, characterized in that the lower end surface of the strip (12) is in the same horizontal plane as the upper end surface of the connecting disc (9).

5. A combined shock absorber according to claim 1, characterized in that the dust cover (8) is provided as a flexible corrugated telescopic structure, the inner side of the dust cover (8) being sprayed with a protective coating.

6. A combined shock absorber according to claim 1, characterized in that the shock absorber body (1) and the mounting plate (7) are provided with connecting rods, the ends of which are provided with mounting rings (19).