CN211975746U

CN211975746U - All-aluminum alloy outer cylinder shock absorber

Info

Publication number: CN211975746U
Application number: CN202020055035.6U
Authority: CN
Inventors: 李文权; 邱小明
Original assignee: NINGBO KAIRUI AUTOMOBILE PARTS CO Ltd
Current assignee: NINGBO KAIRUI AUTOMOBILE PARTS CO Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-11-20
Anticipated expiration: 2030-01-10

Abstract

The utility model relates to a full aluminum alloy urceolus bumper shock absorber, including the aluminum alloy urceolus, set up in compression valve assembly, working cylinder and oil blanket director assembly in the aluminum alloy urceolus, the working cylinder with be provided with first cavity between the aluminum alloy urceolus, be provided with the connecting rod assembly in the working cylinder, the bottom of connecting rod assembly is provided with the piston valve assembly, wear out in proper order at the top of connecting rod assembly set up lock nut behind working cylinder, oil blanket director assembly, the aluminum alloy urceolus, the connecting rod assembly with be provided with the second cavity between the working cylinder, in the second cavity with the lower part of first cavity is provided with the shock attenuation oil, the upper portion of first cavity is provided with nitrogen gas. The utility model discloses light, environmental protection, assembly efficiency are high.

Description

All-aluminum alloy outer cylinder shock absorber

Technical Field

The utility model relates to a bumper shock absorber, concretely relates to full aluminum alloy urceolus bumper shock absorber.

Background

The bumper shock absorber is applied to the automotive industry usually, and at the in-process of traveling of car, the connecting rod through the bumper shock absorber carries out piston motion, drives fluid and produces the damping force through piston valve and compression valve, has absorbed the vibrations energy of vehicle, plays the effect of shock attenuation buffering to guarantee the travelling comfort of driving. However, in the existing automobile shock absorber, the outer cylinder is made of steel, so that the outer cylinder is heavy in weight, and due to the fact that steel is easy to rust, the outer surface of the outer cylinder is often required to be subjected to paint spraying and rust preventing treatment, so that the cost is increased, volatile components in paint are easy to cause environmental pollution, and in addition, the existing shock absorber outer cylinder is usually formed by welding a bottom cover and a cylinder body (10), so that the processing process is complex, and burrs are more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide an all aluminum alloy urceolus bumper shock absorber.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a full aluminum alloy urceolus bumper shock absorber, includes the aluminum alloy urceolus, set up in compression valve assembly, working cylinder and oil blanket director assembly in the aluminum alloy urceolus, the working cylinder with be provided with first cavity between the aluminum alloy urceolus, be provided with the connecting rod assembly in the working cylinder, the bottom of connecting rod assembly is provided with piston valve assembly, wear out in proper order at the top of connecting rod assembly set up lock nut behind working cylinder, oil blanket director assembly, the aluminum alloy urceolus, the connecting rod assembly with be provided with the second cavity between the working cylinder, in the second cavity with the lower part of first cavity is provided with damping oil, the upper portion of first cavity is provided with nitrogen gas.

Further, the aluminum alloy urceolus includes bottom plate, stack shell and roof, the both ends of stack shell respectively with bottom plate and roof body coupling, be provided with the through-hole on the roof.

Further, the top plate comprises a plurality of scale plates integrally connected with the cylinder body.

Further, a gap is provided between adjacent ones of the scaleplates.

Furthermore, the through hole is formed by enclosing a plurality of inner side walls of the scale plates.

Furthermore, the through holes are circular, and the inner side walls of the scale plates are arc-shaped.

Furthermore, the top plate is arranged at the top of the cylinder body through a press-fitting process.

Further, the aluminum alloy is 6061 aluminum alloy.

Further, a passivation layer is arranged on the outer surface of the aluminum alloy outer cylinder.

Furthermore, the outer surface of the passivation layer is sprayed with a coarse sand layer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the outer cylinder of the utility model is made of aluminum alloy, which greatly reduces the weight of the shock absorber, in addition, the aluminum alloy can form a passivation layer only by carrying out anodic oxidation treatment on the outer surface of the outer cylinder compared with the common steel material, so as to achieve good corrosion resistance, and then the passivation layer is protected by spraying coarse sand, compared with spraying antirust paint, the outer cylinder has good corrosion resistance, and is safe and environment-friendly; the utility model discloses the urceolus adopts the pressure equipment technology to produce, during production, at first sets up a plurality of openings with the upper portion of aluminum alloy urceolus, thereby form a plurality ofly and aluminum alloy urceolus at the top of aluminum alloy urceolus and be in the lug of coplanar, then with the compression valve assembly, the working cylinder, in connecting rod assembly and oil blanket director assembly put into the aluminum alloy urceolus, adopt pressure equipment to bend the lug inboard to perpendicular with the axis of aluminum alloy urceolus, form the scale board, thereby spacing oil blanket director assembly between working cylinder and scale board, can, the utility model discloses a pressure equipment technology carries out the assembly of bumper shock absorber, and it has simplified production processes, has improved production efficiency, and the urceolus surface of the bumper shock absorber that makes does not have a welding.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a perspective view of an aluminum alloy outer barrel according to an embodiment of the present invention

FIG. 3 is a perspective view of an aluminum alloy outer barrel according to an embodiment of the present invention before assembly;

in the figure: 1. the hydraulic shock absorber comprises a compression valve assembly, 2, a working cylinder, 3, an oil seal guide assembly, 4, a connecting rod assembly, 5, a piston valve assembly, 6, a locking nut, 7, shock absorption oil, 8, nitrogen, 9, a bottom plate, 10, a barrel body, 11, a top plate, 12, a through hole, 13, a lug, 14, a scale plate, 15, a gap, 16, an opening, 17 and a cambered surface.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2 the utility model relates to an embodiment of full aluminum alloy urceolus bumper shock absorber, including the aluminum alloy urceolus, set up in compression valve assembly 1, working cylinder 2 and oil blanket director assembly 3 in the aluminum alloy urceolus, working cylinder 2 with be provided with first cavity between the aluminum alloy urceolus, be provided with connecting rod assembly 4 in the working cylinder 2, connecting rod assembly 4's bottom is provided with piston valve assembly 5, wear out in proper order at connecting rod assembly 4's top set up lock nut 6 behind working cylinder 2, the oil blanket director assembly 3, the aluminum alloy urceolus, connecting rod assembly 4 with be provided with the second cavity between the working cylinder 2, in the second cavity with the lower part of first cavity is provided with damping oil 7, the upper portion of first cavity is provided with nitrogen gas 8.

As an embodiment of the utility model relates to an all aluminum alloy urceolus bumper shock absorber, the aluminum alloy urceolus includes bottom plate 9, stack shell 10 and roof 11, the both ends of stack shell 10 respectively with bottom plate 9 and roof 11 body coupling, be provided with through-hole 12 on the roof 11.

Further, the top plate 11 includes a plurality of scale plates 14 integrally connected to the barrel 10.

Further, a gap 15 is provided between adjacent ones of the scaleplates 14.

Further, the through hole 12 is defined by inner side walls of the plurality of the scale plates 14.

Further, the through hole 12 is circular, and the inner side wall of the scale plate 14 is arc-shaped.

As an embodiment of the utility model relates to an all aluminum alloy urceolus bumper shock absorber, roof 11 through the pressure equipment technology set up in the top of stack shell 10.

As an embodiment of the utility model relates to an all aluminum alloy urceolus bumper shock absorber, the aluminum alloy adopts 6061 aluminum alloy.

As an embodiment of the damper of the present invention, the outer surface of the aluminum alloy outer cylinder is formed into a passivation layer by anodizing.

The production process of the utility model is as follows:

step 1, as shown in fig. 3, a plurality of openings 16 are arranged on the top of the aluminum alloy outer cylinder along the circumference, so that a plurality of lugs 13 are formed on the top of the aluminum alloy outer cylinder;

step 2, then placing the compression valve assembly 1, the working cylinder 2, the connecting rod assembly 4 and the oil seal guider assembly 3 into an aluminum alloy outer cylinder;

and 3, bending the lug 13 inwards to be vertical to the central axis of the aluminum alloy outer cylinder by adopting press-fitting equipment to form a scale plate 14, wherein the scale plates 14 form a top plate 11, so that the compression valve assembly 1, the working cylinder 2 and the oil seal guider assembly 3 are limited between the bottom plate 9 and the top plate 11 of the aluminum alloy outer cylinder.

The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims

1. A full aluminum alloy outer barrel shock absorber comprises an aluminum alloy outer barrel, a compression valve assembly (1), a working cylinder (2) and an oil seal guider assembly (3) which are arranged in the aluminum alloy outer barrel, a first cavity is arranged between the working cylinder (2) and the aluminum alloy outer cylinder, a connecting rod assembly (4) is arranged in the working cylinder (2), a piston valve assembly (5) is arranged at the bottom of the connecting rod assembly (4), a locking nut (6) is arranged at the top of the connecting rod assembly (4) after sequentially penetrating through the working cylinder (2), the oil seal guider assembly (3) and the aluminum alloy outer cylinder, a second cavity is arranged between the connecting rod assembly (4) and the working cylinder (2), damping oil (7) is arranged in the second cavity and at the lower part of the first cavity, and nitrogen (8) is arranged at the upper part of the first cavity; the aluminum alloy outer barrel is characterized by comprising a bottom plate (9), a barrel body (10) and a top plate (11), wherein two ends of the barrel body (10) are respectively connected with the bottom plate (9) and the top plate (11) in an integrated mode, and a through hole (12) is formed in the top plate (11).

2. An all-aluminum outer cylinder shock absorber according to claim 1 wherein the top plate (11) comprises a plurality of flaps (14) integrally connected to the cylinder (10).

3. An all aluminium outer tube damper according to claim 2 wherein a gap (15) is provided between adjacent scale plates (14).

4. An all-aluminum outer cylinder shock absorber according to claim 2, wherein the through hole (12) is defined by inner side walls of the plurality of the scale plates (14).

5. The all-aluminum outer cylinder shock absorber according to claim 4, wherein the through hole (12) is circular, and the inner side wall of the scale plate (14) is arc-shaped.

6. The all-aluminum alloy outer cylinder shock absorber as claimed in claim 1, wherein the top plate (11) is arranged on the top of the cylinder body (10) through a press-fitting process.

7. The all-aluminum outer cylinder shock absorber as claimed in claim 1, wherein 6061 aluminum alloy is adopted as the aluminum alloy.

8. The all-aluminum alloy outer cylinder shock absorber as claimed in claim 1, wherein the outer surface of the aluminum alloy outer cylinder is provided with a passivation layer.

9. The all-aluminum outer cylinder shock absorber of claim 8, wherein the outer surface of the passivation layer is coated with a coarse sand layer.