CN210461339U

CN210461339U - Wheel bolt with conical bush

Info

Publication number: CN210461339U
Application number: CN201921580520.9U
Authority: CN
Inventors: 王长土
Original assignee: Ningbo Changhua Changsheng Auto Parts Co ltd
Current assignee: Ningbo Changhua Changsheng Auto Parts Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-05
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a take wheel bolt of taper bush for auto wheel assembly locking, the bolt includes that hexagonal is pulled wrong, ring flange, screw rod portion and screw rod portion, hexagonal is pulled wrong, ring flange, screw rod portion and screw rod portion connect gradually, still includes a taper bush, the taper bush is a hollow body, the taper bush includes an annular portion and a toper portion, wherein, the cutting drawing surface of annular portion is a horizontal line, the cutting drawing internal surface of annular portion is a transition circular arc line; the outer surface of the cross section of the conical part is an inclined straight line, and the inner surface of the cross section of the conical part is a horizontal line. This application bolt coefficient of friction is stable relatively, and the conical surface design of taper bush compares in the spherical design of traditional wheel bolt, can effectively laminate wheel hub's contact surface, and coefficient of friction can obtain better control, satisfies the assembly requirement of wheel, improves the security.

Description

Wheel bolt with conical bush

Technical Field

The utility model relates to a bolt for car, concretely relates to efficient car assembly is with, takes the wheel bolt of taper bush.

Background

With the development of science and technology and the progress of technology, automobile products are changing day by day, and lightweight design is imperative. Automobile parts are an important field participating in globalization in the automobile industry in China, and therefore fastener products face higher requirements and need higher safety and higher cost performance to better cope with the ever-changing market. The high demands of the fasteners often require special designs to meet the needs of the user, while more advanced and sophisticated forming processes are required to support. The wheel bolt fastener belongs to a safety part and has extremely high requirements on the safety and reliability of the bolt. How under the prerequisite of guaranteeing the excellent performance of product, furthest's reduction part self weight provides comfortable safe assembly environment, has the perfect appearance of high-end atmosphere concurrently simultaneously, often puzzles the designer of fastener. The current common scheme in the industry is to use wheel nuts, but the wheel nuts often need corresponding bolts to be matched, and the unstable factor is undoubtedly increased.

In order to meet the requirements of automobile host plants on improving the product quality and safety and reducing the cost and better cater to the development trend of light weight of automobiles, continuous innovation and breakthrough are needed on the existing manufacturing technology and process. Particularly, for assembling an automobile traveling system, the wheel bolt has a simple and reliable structure, and the appearance of the wheel bolt is high-end and atmosphere, so that the requirements of light weight development and safety and environmental protection of the automobile are met, and the cost is reduced.

Thus, the wheel bolts of the prior art, also have a place to lift.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model provides a take wheel bolt of taper bush to solve current wheel bolt's technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheel bolt with a conical bushing is used for assembling and locking an automobile wheel, and comprises a hexagonal wrench, a flange plate, a screw rod part and a threaded rod part which are sequentially connected, and the wheel bolt also comprises the conical bushing, wherein the conical bushing is a hollow body and comprises an annular part and a conical part, wherein the outer surface of a cross section of the annular part is a horizontal line, and the inner surface of the cross section of the annular part is a transition arc line; the outer surface of the cross section of the conical part is an inclined straight line, and the inner surface of the cross section of the conical part is a horizontal line.

According to the wheel bolt with the taper bush in the preferred embodiment of the application, the end face of the hexagonal wrench is provided with a groove, and the groove is internally provided with a hemispherical hollow.

According to the wheel bolt with the taper bush in the preferred embodiment of the application, the end face of the threaded rod part comprises a special mark area.

The design theory of this application is, designs a safe and reliable's wheel bolt, when playing the assembly requirement that satisfies between the fastening wheel hub, the pleasing to the eye atmosphere of appearance, the installation of being convenient for, self weight furthest's lightens to reduce the car fuel loss, promote the product price/performance ratio, seize the market of car high-end fastener.

Owing to adopted above technical scheme, make the utility model discloses compare in prior art, have following advantage and positive effect:

firstly, the hexagonal wrenching size of the bolt head is increased, the interior of the bolt head is formed into a hemispherical hollow, so that the use of a field assembly tool is facilitated, the bolt is not easy to slip during assembly, the self weight of the bolt is reduced, the production cost is reduced, and the effect of reducing the fuel consumption of an automobile is achieved;

secondly, the bolt and the hub can be automatically aligned when actually assembled, so that the problem of incorrect assembly caused by position deviation of the bolt is prevented, and the stability and the safety of assembly are improved;

thirdly, the friction coefficient of the bolt is relatively stable, the conical surface design of the conical bushing can be effectively attached to the contact surface of the hub compared with the spherical surface design of the traditional wheel bolt, the friction coefficient can be better controlled, the assembly requirement of the wheel is met, and the safety is improved;

fourthly, the bolt processing difficulty is reduced, and compared with an integral wheel bolt, the combined type wheel bolt has the advantages that the two-part forming process is relatively simple and the size is stable; the service life of the production die is prolonged, and the production cost is reduced.

Of course, it is not necessary to implement any one embodiment of the present invention to have all the above technical effects at the same time.

Drawings

FIG. 1 is a schematic view of a bolt of the present application;

FIG. 2 is a schematic left side view of FIG. 1;

FIG. 3 is a schematic right-side view of FIG. 1;

FIG. 4 is a schematic view of the tapered bushing of the present application in section;

FIG. 5 is a schematic view of the bolt and taper bush combination of the present application.

Detailed Description

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

referring to fig. 1, 4 and 5, a bolt schematic diagram and a taper bush cut-away schematic diagram of the present application, a wheel bolt with a taper bush of the present application for assembling and locking an automobile wheel, the bolt includes a hexagonal wrench 10, a flange 20, a screw portion 30 and a threaded rod portion 40, the hexagonal wrench 10, the flange 20, the screw portion 30 and the threaded rod portion 40 are connected in sequence, the bolt further includes a taper bush 50, the taper bush 50 is a hollow body, the taper bush 50 includes an annular portion 51 and a tapered portion 52, wherein, as shown in fig. 4, a cut-away outer surface of the annular portion 51 is a horizontal line, a cut-away inner surface of the annular portion 51 is a transition circular arc line, so that the annular portion 51 is a circular ring body when viewed from the outside, and the annular portion 51 is on one side of the flange 20 after assembling; further, since the outer surface of the tapered portion 52 in the sectional view is an oblique straight line, the so-called oblique straight line is a straight line having an angle with the horizontal line, and the inner surface of the tapered portion 52 in the sectional view is a horizontal line, the inner surface of the tapered portion 52 and the surface of the screw portion 30 are parallel to each other, and in order to prevent the tapered bush 50 from falling out, as shown in fig. 5, a caulking trace 53 is formed on the outer surface of the tapered portion 52, the tapered bush 50 is caulked toward the screw portion 30, and the inner diameter of the caulked tapered portion 52 is locally smaller than the outer diameter of the screw portion 40, so that the tapered bush 50 can freely rotate and does not fall off the screw portion 30.

The taper bush 50 shown in fig. 5 can be automatically aligned during actual assembly, thereby preventing incorrect assembly caused by position deviation of the bolt, and improving the stability and safety of assembly; moreover, the taper bush 50 is made of the same material as the bolt, is machined and formed by a multi-station cold header, has high machining stability, provides reliable support for the assembly stability of parts in the using process, and meets various requirements such as size and the like; the combined type wheel bolt has the advantages that the bolt machining difficulty is reduced, and compared with an integral wheel bolt, the two-part forming process is relatively simple and the size is stable. For producing the die, the service life of the die is prolonged, and the production cost is reduced; the 50 coefficient of friction of taper bush is stable, and the conical surface design of taper bush 50 is compared in the spherical design of traditional wheel bolt, can effectively laminate wheel hub's contact surface, and coefficient of friction can obtain better control, satisfies the assembly requirement of wheel, improves the security.

In addition, as shown in fig. 1 and 2, a groove 11 is formed in the end surface of the hexagonal wrench 10, a hemispherical hollow is formed inside the groove 11, and during design, the hexagonal wrench 10 is increased in height, that is, lengthened, so that the hemispherical groove 11 is conveniently formed inside; for example, the height of the hexagonal wrench is increased to 13mm, a hemispherical hollow is formed inside, the weight is reduced, the strength and the assembly function are considered, the structure is simple and reliable, meanwhile, the fuel consumption of the whole vehicle is reduced, and the hexagonal wrench is green and environment-friendly.

In addition, as shown in fig. 3, the end face of the threaded rod portion 40 includes a dedicated identification area 41, and the end face of the threaded rod portion 40 has a dedicated identification, so that the part can be effectively identified and traced.

To sum up, owing to adopted above technical characteristic, make the utility model discloses compare in prior art and have following advantage and positive effect:

The preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents. The above disclosure is only for the preferred embodiment of the present invention, but not intended to limit itself, and those skilled in the art can make variations and changes equally without departing from the spirit of the present invention, and all such variations and changes are deemed to fall within the scope of the present invention.

Claims

1. A wheel bolt with a conical bush is used for assembling and locking an automobile wheel and is characterized by comprising a hexagonal wrench, a flange plate, a screw rod part and a threaded rod part which are sequentially connected, the wheel bolt also comprises the conical bush, the conical bush is a hollow body, the conical bush comprises an annular part and a conical part, wherein,

the outer surface of the section of the annular part is a horizontal line, and the inner surface of the section of the annular part is a transition circular arc line;

the outer surface of the cross section of the conical part is an inclined straight line, and the inner surface of the cross section of the conical part is a horizontal line.

2. The tapered bushing wheel bolt as defined in claim 1, wherein said hexagonal wrenched end surface defines a recess, said recess defining a hemispherical cavity therein.

3. The tapered bushing wheel bolt according to claim 2, wherein the end face of said threaded shank includes a dedicated identification area.