CN211844002U

CN211844002U - Nylon upper support structure with deflection angle spiral spring

Info

Publication number: CN211844002U
Application number: CN202020056812.9U
Authority: CN
Inventors: 王雷; 武星
Original assignee: IAT Automobile Technology Co Ltd
Current assignee: IAT Automobile Technology Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-11-03
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to a take declination coil spring nylon upper bracket structure belongs to the technical field of automobile design and manufacturing. The utility model discloses a nylon upper bracket structure with a deflection angle spiral spring, which comprises a bracket cylindrical surface, a spring upper end ring installation spiral surface and a radial limiting conical surface, wherein the bottom surface of the radial limiting conical surface is provided with a water leakage hole; the deflection angle between the spiral surface arranged at the upper end ring of the spring and the central shaft of the cylindrical surface of the support is alpha, and is more than 0 and less than 10 degrees; the last border of support face of cylinder is provided with a plurality of semi-circular gaps along the circumferencial direction, and inside forms annular inner wall, and annular inner wall is provided with vertical muscle and annular muscle. The utility model discloses an upper bracket structure wholly is nylon material thin-walled structure, and structure light in weight, sound insulation performance is good, and the great rubber pad of rigidity is big, and is less to coil spring rigidity influence, can directly contact with spring upper end circle, saves the rubber pad, reduce cost.

Description

Nylon upper support structure with deflection angle spiral spring

Technical Field

The utility model relates to a technical field of automobile design and manufacturing, more specifically say, the utility model relates to a take off normal coil spring nylon upper bracket structure.

Background

Fig. 1-2 show a first spring upper support structure in the prior art, which is a sheet metal structure, the upper surface of which is spot-welded to the lower surface of a vehicle body longitudinal beam, and the central axis of which is vertical, i.e., has no deflection angle. The upper end coil of the spring is generally mounted on the lower surface of the upper spring support through a rubber pad, and this structure requires that the lower spring point not deviate too much from the upper point, which is not favorable for the compression stability of the spring.

Fig. 3-4 show a second spring upper support structure in the prior art, which is also a steel plate metal structure, and is integrally formed by deep drawing, a U-shaped opening is formed at a welded portion with a longitudinal beam, a helical surface can be formed at the lower portion by stamping, and a helical axis can form a certain angle with the vertical direction, namely, the helical axis has a deflection angle. Allowing the lower point of the spring to be offset from the upper point by a greater distance than in the configuration of fig. 1-2, the spring axis may be disposed along the upper turn mounting helicoid axis. The structure has the defects of large thickness and weight of the required plate, high stamping and drawing rate and difficult forming.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned technical problem that exists among the prior art, the utility model aims to provide a take off normal angle coil spring nylon upper bracket structure.

The utility model discloses a take declination coil spring nylon upper bracket structure, its characterized in that includes: the device comprises a support cylindrical surface, wherein a spring upper end ring installation spiral surface is arranged below the support cylindrical surface, a radial limiting conical surface is arranged below the spring upper end ring installation spiral surface, and a water leakage hole is formed in the bottom surface of the radial limiting conical surface; the central axis of the mounting spiral surface of the upper end ring of the spring is superposed with the central axis of the radial limiting conical surface, and the deflection angle between the central axis of the mounting spiral surface of the upper end ring of the spring and the central axis of the cylindrical surface of the support is a, and is more than 0 and less than 10 degrees; the upper edge of the support cylindrical surface is provided with a plurality of semicircular notches along the circumferential direction, an annular inner wall is formed inside the support cylindrical surface, the spring upper end ring installation spiral surface and the radial limiting conical surface, the annular inner wall is uniformly provided with vertical studs along the circumferential direction, and the annular inner wall is further provided with annular studs.

The included angle between the plane where the upper edge of the cylindrical surface of the support is located and the bottom surface of the radial limiting conical surface is beta, and beta is more than 0 and less than 10 degrees.

Wherein, vertical stud upwards extends to from the hole that leaks to the top edge.

Wherein, annular stud and vertical stud form staggered structure.

Wherein, the number of the semicircular gaps is 2-4.

Compared with the prior art, the utility model discloses a take declination coil spring nylon upper bracket structure has following beneficial effect:

the utility model discloses an upper bracket structure wholly is thin-walled structure, and a plurality of strengthening ribs of inside equipartition are the heliciform with spring upper end circle contact segment, and the axis becomes certain contained angle with the support up end, can be according to spring self installation axis settlement angle. The nylon has low density, light structure weight, good sound insulation performance, higher rigidity and larger rubber pad, has less influence on the rigidity of the spiral spring, can be directly contacted with the upper end ring of the spring, saves the rubber pad and reduces the cost.

Drawings

Fig. 1 is a perspective view of a first spring upper support structure in the prior art.

Fig. 2 is a cross-sectional view of a first prior art spring upper mount structure.

Fig. 3 is a perspective view of a second spring upper support structure in the prior art.

Fig. 4 is a front view of a second prior art spring upper bracket structure.

Fig. 5 is a first view of the nylon upper support structure with offset angle coil spring of the present invention.

Fig. 6 is a second view of the nylon upper support structure with a bias angle helical spring of the present invention.

Fig. 7 is a sectional view of the assembly of the upper bracket structure and the vehicle body mounting plate of the present invention.

Fig. 8 is a first isometric view of the upper bracket structure assembled with the body mounting plate of the present invention.

Fig. 9 is a second isometric view of the upper bracket structure assembled with the body mounting panel of the present invention.

Detailed Description

The following description will be made in conjunction with the specific embodiments of the present invention for the nylon upper supporting seat structure with the offset angle coil spring to help the technicians in the field to understand the present invention in terms of the concept and technical solution of the present invention more completely, accurately and deeply.

Example 1

As shown in fig. 5 to 9, the nylon upper bracket structure 100 with a bias angle helical spring of the present embodiment includes a bracket cylindrical surface 130, a spring upper end coil installation helical surface 140 is disposed below the bracket cylindrical surface 130, a radial limiting conical surface 150 is disposed below the spring upper end coil installation helical surface 140, and a water leakage hole 160 is disposed on a bottom surface of the radial limiting conical surface 150. The central axis of the spring upper end coil mounting spiral surface 140 coincides with the central axis of the radial limiting conical surface 150, and the deflection angle between the central axis of the spring upper end coil mounting spiral surface 140 and the central axis of the support cylindrical surface 130 is a, and is 0 & lta & lt 10 °. The upper edge 120 of the support cylindrical surface 130 is provided with a plurality of (generally 2 to 4) semicircular notches 110 along the circumferential direction, and the semicircular notches 110 correspond to the protrusions 210 of the mounting seat 200 on the vehicle body to limit the axial rotation of the upper support structure 100. The upper edge 120 of the upper support structure 100 is attached to the lower surface 220 of the mounting seat 200, and the support cylindrical surface 130 is radially limited by the lower flange 230 of the vehicle body mounting seat 200. The included angle between the plane of the upper edge 120 of the support cylindrical surface 130 and the bottom surface of the radial limiting conical surface 150 is beta, and beta is more than 0 and less than 10 degrees. The inner parts of the support cylindrical surface 130, the spring upper end ring installation spiral surface 140 and the radial limiting conical surface 150 form an annular inner wall, the annular inner wall is uniformly provided with vertical studs 170 along the circumferential direction, and the vertical studs 170 extend upwards from the water leakage hole 160 to the upper edge 120. The annular inner wall is further provided with annular studs 180, and the annular studs 180 and the vertical studs 170 form a staggered structure for improving the overall rigidity of the support structure 100.

The spring upper bracket of this embodiment is light nylon thin wall hollow structure, and the lightweight can be realized under guaranteeing required intensity and rigidity condition to inside a plurality of strengthening ribs that set up, and the nylon material is the bad conductor of sound, can effectively reduce the noise transmission that comes from ground. If the axial line of the spring installation spiral surface and the axial line of the support body are set to have a deflection angle, 2-4 semicircular notches are arranged on the upper end surface of the spring installation spiral surface, and corresponding bulges are punched on the automobile body metal plate installation seat, so that the axial rotation of the support can be limited.

For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements are all within the protection scope of the present invention as long as the technical solution of the present invention is adopted.

Claims

1. The utility model provides a take declination coil spring nylon upper bracket structure which characterized in that includes: the device comprises a support cylindrical surface, wherein a spring upper end ring installation spiral surface is arranged below the support cylindrical surface, a radial limiting conical surface is arranged below the spring upper end ring installation spiral surface, and a water leakage hole is formed in the bottom surface of the radial limiting conical surface; the central axis of the mounting spiral surface of the upper end ring of the spring is superposed with the central axis of the radial limiting conical surface, and the deflection angle between the central axis of the mounting spiral surface of the upper end ring of the spring and the central axis of the cylindrical surface of the support is a, and is more than 0 and less than 10 degrees; the upper edge of the support cylindrical surface is provided with a plurality of semicircular notches along the circumferential direction, an annular inner wall is formed inside the support cylindrical surface, the spring upper end ring installation spiral surface and the radial limiting conical surface, the annular inner wall is uniformly provided with vertical studs along the circumferential direction, and the annular inner wall is further provided with annular studs.

2. The nylon upper bracket structure with the offset angle helical spring of claim 1, characterized in that: the included angle between the plane of the upper edge of the cylindrical surface of the support and the bottom surface of the radial limiting conical surface is beta, and beta is more than 0 and less than 10 degrees.

3. The nylon upper bracket structure with the offset angle helical spring of claim 1, characterized in that: the vertical studs extend upwards from the water leakage holes to the upper edge.

4. The nylon upper bracket structure with the offset angle helical spring of claim 1, characterized in that: the annular studs and the vertical studs form a staggered structure.

5. The nylon upper bracket structure with the offset angle helical spring of claim 1, characterized in that: the number of the semicircular notches is 2-4.