CN108006137A - Traveller aluminium alloy spring subiculum dish structure - Google Patents

Abstract

The present invention relates to a kind of traveller aluminium alloy spring subiculum dish structure, belong to the technical field of Automobile Design and Manufacturing.The traveller aluminium alloy spring subiculum dish structure of the present invention, including cylindrical barrel body, the upper surface of cylindrical barrel body are provided with coil component spring lower end turn installing plate, and coil component spring lower end turn installing plate inner circumferential side is formed with conical round table structure；Centre bore is machined with from conical round table structure to cylindrical barrel body；And form notch features in the side of conical round table structure, ring spring lower end turn installing plate and cylindrical barrel body；The first lock ring arm and the second lock ring arm it have been oppositely disposed on the cylindrical barrel body periphery wall of notch features both sides, the axially inclined certain angle of the normal direction of lower end turn installing plate with respect to centre bore.Light material can be used in the subiculum dish structure of the present invention, and the rigidity of structure is big, integrated level higher, is flexibly connected with damper cylinder barrel, it can be achieved that no-welding, loss of weight, the convenient effect repaired adjustment and reduce use cost.

Description

Sliding column aluminum alloy spring lower tray structure

technical field

The invention relates to the technical field of automobile design and manufacture, and more specifically, the invention relates to an aluminum alloy spring unsprung tray structure of a sliding column.

Background technique

As shown in Fig. 1, the pallet structure under the sliding column spring in the prior art is usually formed by stamping a single steel plate, and the connecting rod bracket of the stabilizer bar is also a stamped structure of thick steel plate, both of which are independent and welded to the shock absorber cylinder. The pallet structure under the strut spring in the prior art has the following technical problems: 1) they are all welded to the cylinder, which is prone to welding defects and affects the strength of the cylinder; 2) each is independent, requiring welding and positioning respectively, and the overall accuracy is poor; 3) In order to ensure the overall rigidity of the pallet, a large plate thickness is often required, which makes it difficult to reduce weight; 4) The shock absorber is a vulnerable part, and once it fails, it needs to be replaced as a whole, which increases the cost of use for customers.

Contents of the invention

In order to solve the above-mentioned technical problems in the prior art, the object of the present invention is to provide a sliding column aluminum alloy spring unsprung tray structure.

A sliding column aluminum alloy spring lower tray structure, including a cylindrical cylinder, characterized in that: the upper end surface of the cylindrical cylinder is provided with a circular spring lower end ring mounting plate, and the inner peripheral side of the circular spring lower end ring mounting plate is A conical truncated cone structure is formed by extending upward; a through central hole is processed from the upper end surface of the conical truncated circular structure to the lower end surface of the cylindrical cylinder; and starting from the axis of the central hole The upper end surface of the structure is sheared to the lower end surface of the cylindrical cylinder so as to form a cutout structure on one side of the conical frustum of a cone structure, the circular spring lower end ring mounting plate and the cylindrical cylinder; on both sides of the cutout structure A first clamping arm and a second clamping arm are oppositely arranged on the outer peripheral wall of the cylindrical cylinder, and a first clamping side hole and a second clamping arm are oppositely arranged on the first clamping arm and the second clamping arm Two clamp side holes; the normal direction of the mounting plate of the lower end ring is inclined at a certain angle relative to the axial direction of the central hole.

Wherein, the width of the notch structure is 3-5 mm.

Wherein, the angle between the normal direction of the lower end ring mounting plate and the axial direction of the central hole is 0-30°, preferably 5-15°.

Wherein, the line connecting the centers of the first band side hole and the second band side hole is perpendicular to the plane where the cutout is located.

Wherein, a connecting arm is also provided on the outer peripheral wall of the columnar body, and a mounting hole for installing a stabilizing rod connecting rod is provided on the connecting arm.

Wherein, a plurality of reinforcing ribs extending to the outer peripheral wall of the cylindrical cylinder are formed on the lower surface of the mounting plate of the lower end ring of the circular spring.

Wherein, a plurality of lightening holes are arranged on the mounting plate of the circular spring lower end ring.

Wherein, the columnar body, the mounting plate of the circular spring lower end ring and the conical truncated structure are integrally formed by aluminum alloy casting or forging.

The second aspect of the present invention also relates to a matching structure of the sliding column aluminum alloy spring under the tray structure and the shock absorber cylinder.

The matching structure of the present invention includes a sliding column aluminum alloy spring lower tray structure; a limiting plate is welded on the outer peripheral wall of the shock absorber cylinder, and the limiting plate includes a A matched tile-shaped body, the tile-shaped body is formed with a limit column that matches the cutout, the upper end surface of the tile-shaped body is a plane; the shock absorber cylinder is arranged in the center In the hole, and the limit column of the limit plate snaps into the cutout and makes the upper end surface of the tile-shaped body contact the lower end surface of the cylindrical cylinder so that the axial and circumferential limits of the shock absorber cylinder are limited; Bolts are passed through the first hoop side hole and the second hoop side hole, and are locked with nuts.

Wherein, the upper end of the shock absorber cylinder is provided with a shock absorber cylinder end cover.

The sliding column aluminum alloy spring tray structure of the present invention has the following beneficial effects:

The under-sprung tray structure of the present invention can use light materials, has high structural rigidity and higher integration, and is movably connected with the shock absorber cylinder, which can realize the effects of welding-free, weight reduction, convenient maintenance and adjustment, and reduced use cost.

Description of drawings

FIG. 1 is a schematic diagram of a pallet structure under a strut spring in the prior art.

FIG. 2 is a schematic structural view (first viewing angle) of the pallet structure under the spring of the sliding column aluminum alloy in Embodiment 1. FIG.

FIG. 3 is a schematic structural view (second viewing angle) of the pallet structure under the spring of the sliding column aluminum alloy in Embodiment 1. FIG.

Fig. 4 is a schematic diagram of the dismantled structure of the pallet structure under the aluminum alloy spring of the sliding column and the shock absorber.

Fig. 5 is a schematic diagram of the assembly structure of the sliding column aluminum alloy spring lower tray structure and the shock absorber.

Detailed ways

The structure of the sliding column aluminum alloy under spring tray of the present invention will be further described below in conjunction with specific embodiments, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

Example 1

As shown in Figures 2-3, the sliding column aluminum alloy spring tray structure of this embodiment includes a cylindrical cylinder 10, and the upper end surface of the cylindrical cylinder 10 is provided with a circular spring lower end ring mounting plate 20, the circular A conical truncated conical structure 30 is formed extending upward from the inner peripheral side of the lower end ring mounting plate 20 of the shaped spring; a central hole 50 through which is processed from the upper end surface of the conical truncated conical structure 30 to the lower end surface of the cylindrical cylinder 10; and Starting from the axis of the central hole 50, shearing is carried out from the upper end surface of the conical truncated cone structure to the lower end surface of the cylindrical cylinder so that the mounting plate 20 of the conical truncated circular structure 30, the circular spring lower end ring and the A cutout structure 40 is formed on one side of the columnar body 10, and the width of the cutout structure is 3-5mm, so as to be used for the clamping position of the unsprung tray in the upper direction of the shock absorber cylinder, and the position of the cutout structure can be located at any position of the tray , Considering the convenience of disassembly and the clearance with the wheel, the front and back sides or the inner side of the central hole 10 axis are generally optional. On the outer peripheral wall of the cylindrical cylinder on both sides of the cutout structure 40, a first clamping arm 11 and a second clamping arm 12 are oppositely arranged, and the first clamping arm 11 and the second clamping arm 12 are A first band side hole 13 and a second band side hole 14 are oppositely arranged, and the center line of the first band side hole and the second band side hole is perpendicular to the plane where the cutout is located. The normal direction of the spring lower end ring mounting plate 20 is inclined relative to the axial direction of the central hole 50, and the inclination angle is 0-30°, preferably 5-15°. The outer peripheral wall of the cylindrical cylinder 10 is also provided with a connecting arm 15, and the connecting arm 15 is provided with a mounting hole 16 for installing the connecting rod of the stabilizer bar, and the machined surfaces on both sides of the mounting hole 16 are the connecting rod of the stabilizer rod As well as the mounting surface of the nut flange surface, it is necessary to ensure the required flatness and parallelism. A plurality of reinforcing ribs 22 extending to the outer peripheral wall of the cylindrical cylinder 10 are formed on the lower surface of the circular spring lower end ring mounting plate 20, and a plurality of weight reducing holes 21 are arranged on the circular spring lower end ring mounting plate . The aluminum alloy spring tray structure of the sliding column in this embodiment is integrally formed by aluminum alloy casting or forging, and the central hole, the first hoop side hole, the second hoop side hole and the connecting rod for installing the stabilizer bar The mounting holes are machined holes.

As shown in Figures 4 to 5, this embodiment also relates to a matching structure between the sliding column aluminum alloy spring lower tray structure and the shock absorber cylinder 70, the outer peripheral wall of the shock absorber cylinder 70 is welded with a limit plate , the limiting plate includes a tile-shaped body 80 that matches the outer peripheral wall of the shock absorber cylinder, and a limiting post 81 that matches the cutout is formed on the tile-shaped body 80, so that The upper end surface of the tile-shaped body 80 is a plane; the shock absorber cylinder 70 is inserted into the central hole 50 from the bottom of the cylindrical body 10, and the limiting column 81 of the limiting plate is snapped into the cutout structure 40 and make the upper end surface of the tile-shaped body 80 contact the lower end surface of the columnar body 10 so that the axial and circumferential positions of the shock absorber cylinder are limited, and the end cover 72 of the shock absorber cylinder is fastened; then in the first tightening Bolts are inserted into the hoop side hole and the second hoop side hole, and the nuts are used to apply axial force to lock. The sliding column aluminum alloy spring lower tray structure of this embodiment can conveniently realize the live connection of the shock absorber cylinder and realize the axial and circumferential positioning.

The sliding column aluminum alloy spring lower tray structure of the present invention integrates the sliding column spring lower tray and the stabilizer bar connecting rod bracket into one aluminum alloy part, which reduces the number of components, and is plugged and assembled with the shock absorber cylinder to reduce welding The amount can reduce the local damage to the shock absorber cylinder. The tray under the loose spring of the present invention can be replaced separately, which reduces the later maintenance cost of the user. Part of the shock absorber cylinder can be expanded or reduced in diameter, so it can realize the generalization of the pallet under the spring of the shock absorber cylinder with different specifications for multiple models, and reduce the platform development cost. The structure of the present invention can be applied to all MacPherson or double-wishbone suspension strut structures.

For those of ordinary skill in the art, the specific embodiment is only an exemplary description of the present invention, and obviously the specific implementation of the present invention is not limited by the above-mentioned methods, as long as the method concept and technical solutions of the present invention are used to carry out various Immaterial improvements, or direct application of the concept and technical solutions of the present invention to other occasions without improvement are within the protection scope of the present invention.

Claims (10)

1. a kind of traveller aluminium alloy spring subiculum dish structure, including cylindrical barrel body, it is characterised in that：The upper end of the cylindrical barrel body Face is provided with coil component spring lower end turn installing plate, and the coil component spring lower end turn installing plate inner circumferential side is upwardly extended formed with taper Frustum cone structure；The centre bore of perforation is machined with from the lower face of upper surface to the cylindrical barrel body of the conical round table structure； And since the axis of the centre bore the upper surface of the conical round table structure to the lower face of the cylindrical barrel body into Row shearing is so as in the side of the conical round table structure, ring spring lower end turn installing plate and cylindrical barrel body formation notch knot Structure；The first lock ring arm and the second lock ring arm, institute have been oppositely disposed on the cylindrical barrel body periphery wall of the notch features both sides The first lock ring arm is stated with being oppositely disposed the first lock ring side opening and the second lock ring side opening on the second lock ring arm；The spring The axially inclined certain angle of the relatively described centre bore of the normal direction of lower end turn installing plate.

2. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：The width of the notch features Spend for 3~5mm.

3. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：The lower end turn installing plate The axially inclined angle of normal direction and the centre bore be 0~30 °.

4. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：The first lock ring side opening It is vertical with the plane where the notch features with the line of centres of the second lock ring side opening.

5. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：Outside the cylindrical barrel body Linking arm is additionally provided with perisporium, the mounting hole for installing stabilizer bar connecting bar is provided with the linking arm.

6. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：Coil component spring lower end turn is pacified Formed with multiple reinforcing ribs extended on the cylindrical barrel body periphery wall on the lower surface of loading board.

7. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：The coil component spring lower end Multiple lightening holes are provided with circle installing plate.

8. traveller aluminium alloy spring subiculum dish structure according to claim 1, it is characterised in that：The cylindrical barrel body, circle Shape lower spring end circle installing plate is cast by aluminium alloy or is forged with conical round table structure and is integrally formed.

9. a kind of traveller aluminium alloy spring subiculum dish structure and the fit structure of damper cylinder barrel, it is characterised in that：Including right It is required that 1~8 any one of them traveller aluminium alloy spring subiculum dish structure；And welded on the periphery wall of the damper cylinder barrel There is limiting plate, the limiting plate includes the matched tile body of periphery wall with the damper cylinder barrel, the tile Formed with being plane with the matched limited post of the notch, the tile body upper surface on body；The damper cylinder Cylinder is arranged in the centre bore, and the limited post of the limiting plate is caught in the notch and causes the upper end of tile body Face is contacted with the lower face of cylindrical barrel body so that the axial and circumferential of damper cylinder barrel are spacing；First lock ring side opening and the second lock ring Bolt is penetrated in side opening, and uses nut check.

10. traveller aluminium alloy spring subiculum dish structure according to claim 9 and the fit structure of damper cylinder barrel, it is special Sign is：The upper end of the damper cylinder barrel is provided with damper cylinder barrel end cap.