Bolt for vehicle suspension

Abstract

The utility model discloses a bolt for vehicle suspension, the bolt comprises a riveting section, a threaded section and a driving section in sequence, the riveting section comprises a fitting section, an expansion section, a riveting section and a separation blade, the fitting section is connected with the threaded section, and the outer diameters of the driving section, the threaded section, the fitting section, the expansion section, the riveting section and the separation blade are increased in sequence. A riveting layer is arranged on the outer side face of the riveting section, the outer diameter of the riveting layer is larger than that of the riveting section, the outer side face of the expansion section is a conical face, the first part and the second part can be conveniently connected in a narrow space area through the driving section, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fastener, more particularly relates to a bolt for vehicle suspension. BACKGROUND

[0002] The conventional bolt nut is often used in the connection of the automobile suspension structure, but when the connection is carried out in the narrow space, the conventional electric tool cannot be used, and only the manual operation of the worker can be used, but the operation is still difficult, time-consuming and laborious, and the efficiency is low. UTILITY MODEL CONTENTS

[0003] In view of the defects of the prior art, the utility model provides a bolt for vehicle suspension, which is convenient to connect.

[0004] To achieve the above object, the utility model provides the following technical scheme: a bolt for vehicle suspension, the bolt comprises a riveting section, a threaded section and a driving section in sequence, the riveting section comprises a fitting section, an expanding section, a riveting section and a baffle, the fitting section is connected with the threaded section, the outer diameters of the driving section, the threaded section, the fitting section, the expanding section, the riveting section and the baffle increase in sequence, a riveting layer is arranged on the outer side surface of the riveting section, and the outer diameter of the riveting layer is greater than that of the riveting section, and the outer side surface of the expanding section is a conical surface.

[0005] Further, the riveting layer comprises a plurality of riveting protrusions and a plurality of riveting grooves, and the riveting protrusions and the riveting grooves are staggered.

[0006] Further, the cross sections of the riveting protrusions and the riveting grooves are both trapezoidal.

[0007] Further, the end of the riveting protrusion close to the expanding section and the outer side surface of the riveting section are chamfered and transitioned.

[0008] Further, the outer side surface of the driving section is a multi-prism, and the end of the driving section is provided with a chamfered surface.

[0009] Further, the length of the riveting layer is 0.6-0.7 times the length of the riveting section.

[0010] Further, both ends of the riveting layer are smooth sections of the riveting section, and the length of the smooth section connecting the expanding section is greater than that of the smooth section connecting the baffle.

[0011] Compared with the prior art, the utility model has the beneficial effects that the bolt is riveted on the part one through the riveting section on the bolt first, then the nut riveted on the part two is connected through the threaded section on the bolt, and then the driving section is rotated in the narrow space on the side of the part two riveted with the nut, to drive the part one to rotate, until the part one is tightly connected with the part two through the rotation, so that the connection difficulty of the part one in the narrow space is reduced, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic view of the bolt for vehicle suspension of the utility model;

[0013] Figure 2 It is Figure 1 It is the cross section schematic view of A-A direction in the middle;

[0014] Figure 3 It is Figure 2 It is the enlarged view of B part in the middle;

[0015] Figure 4 It is the connection schematic view of the bolt for vehicle suspension of the utility model.

[0016] Reference signs: riveting section 1, threaded section 2, driving section 3, fitting section 4, expansion section 5, riveting section 6, baffle 7, riveting layer 8, riveting convex strip 9, riveting groove 10, smooth section 11, part one 12, part two 13. DETAILED DESCRIPTION

[0017] In the description of the utility model, it needs to be explained that for the orientation words, if there are terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and it is only for the convenience of narrating the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0018] In addition, if there are terms "first", "second", they are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0019] Reference Figures 1 to 4 Further explanation of the utility model.

[0020] A bolt for vehicle suspension, which comprises a riveting section 1, a threaded section 2 and a driving section 3 in sequence, the riveting section 1 comprises a fitting section 4, an expanding section 5, a riveting section 6 and a stopper 7, the fitting section 4 is connected with the threaded section 2, the outer diameter of the driving section 3, the threaded section 2, the fitting section 4, the expanding section 5, the riveting section 6 and the stopper 7 increases in sequence, the outer side of the riveting section 6 is provided with a riveting layer 8, and the outer diameter of the riveting layer 8 is larger than that of the riveting section 6, and the outer side of the expanding section 5 is a conical surface.

[0021] As Figure 1 As shown in FIG. 3, preferably in the present example, the riveting layer 8 comprises a plurality of riveting protrusions 9 and a plurality of riveting grooves 10, and the riveting protrusions 9 and the riveting grooves 10 are staggered respectively.

[0022] As Figure 3 As shown in FIG. 3, preferably in the present example, the cross section of the riveting protrusions 9 and the riveting grooves 10 is trapezoidal.

[0023] Preferably in the present example, the end of the riveting protrusion 9 close to the expanding section 5 and the outer side of the riveting section 6 are chamfered to improve the extrusion effect of the riveting protrusion 9 on the inner wall of the riveting hole in the early stage of riveting.

[0024] As Figure 1 As shown in FIG. 3, preferably in the present example, the outer side of the driving section 3 is a multi-prism, and the end of the driving section 3 is provided with a chamfered surface, preferably a hexagonal prism.

[0025] Preferably in the present example, the length of the riveting layer 8 is 0.6-0.7 times the length of the riveting section 6.

[0026] As Figure 1 As shown in FIG. 3, preferably in the present example, both ends of the riveting layer 8 are smooth sections 11 of the riveting section 6, and the length of the smooth section 11 connecting the expanding section 5 is greater than that of the smooth section 11 connecting the stopper 7.

[0027] As Figures 1 to 4As shown, the bolt is first riveted on the part 12 outside, the part 12 is provided with a riveting hole, the threaded section 2 and the driving section 3 of the bolt pass through the riveting hole on the part 12, the outer side of the abutting section 4 abuts with the inner wall of the riveting hole, continues to extend and extrudes the inner wall of the riveting hole through the expanding section 5, expands the inner diameter of the riveting hole, when the riveting convex strip 9 contacts with the inner wall of the riveting hole, extrudes the groove on the inner wall of the riveting hole through the riveting convex strip 9, at the same time, the inner wall of the riveting hole extrudes into the riveting groove 10, finally, the riveting hole and the riveting layer 8 are riveted with each other, the connection of the part 12 and the bolt is completed, then the threaded section 2 and the driving section 3 passing through the part 12 pass through the part 13, the nut is riveted on the part 13, the threaded section 2 is first connected with the nut by rotating the part, when the driving end completely passes through the nut, the part 12 is driven by the driving section 3, and after being screwed, the part 12 and the part 13 are tightly connected.

[0028] Specifically, the side of the part 13 riveted with the nut is a narrow space area, the part 12 can be connected on the part through the smaller driving section 3, so that the operation difficulty of the part 12 in connection is reduced, and the efficiency is improved.

[0029] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above embodiment, any technical scheme belonging to the idea of the present application belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. A bolt for a vehicle suspension, characterized by: The bolt comprises a riveting section, a threaded section and a driving section in sequence, the riveting section comprises a fitting section, an expanding section, a riveting section and a baffle, the fitting section is connected with the threaded section, the outer diameters of the driving section, the threaded section, the fitting section, the expanding section, the riveting section and the baffle increase in sequence, the outer side surface of the riveting section is provided with a riveting layer, the outer diameter of the riveting layer is larger than that of the riveting section, and the outer side surface of the expanding section is a conical surface.

2. The vehicle suspension bolt of claim 1, wherein: The riveting layer comprises a plurality of riveting protrusions and a plurality of riveting grooves, and the riveting protrusions and the riveting grooves are staggered respectively.

3. The vehicle suspension bolt of claim 2, wherein: The cross sections of the riveting protrusions and the riveting grooves are all trapezoidal.

4. The vehicle suspension bolt of claim 2, wherein: The end of the riveting protrusion close to the expanding section and the outer side surface of the riveting section are chamfered and transitioned.

5. The vehicle suspension bolt of claim 1, wherein: The outer side surface of the driving section is a multi-prism, and the end of the driving section is provided with a chamfered surface.

6. The vehicle suspension bolt of claim 1, wherein: The length of the riveting layer is 0.6-0.7 times of the length of the riveting section.

7. The vehicle suspension bolt of claim 6, wherein: The two ends of the riveting layer are both smooth sections of the riveting section, and the length of the smooth section connected with the expanding section is larger than that of the smooth section connected with the baffle.

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