CN218431398U - Automobile-used knuckle and blank, steering assembly, car thereof - Google Patents

Abstract

The utility model provides an automobile-used knuckle and blank, steering assembly, car thereof, automobile-used knuckle blank includes: the blank body comprises a first base surface facing the wheel along the Y direction and a second base surface facing away from the wheel along the Y direction in a use state, and a first side surface and a second side surface along the X direction; the first base surface and the second base surface are both planes; the first base surface is provided with a central positioning hole and bolt flange matching areas which are arranged in a matrix mode around the central positioning hole, and the second base surface is provided with a hub bearing matching flexible area; the first side surface and the second side surface are respectively provided with a brake caliper matching flexible area and a steering pull rod ball pin matching flexible area, wherein the two opposite sides of the brake caliper matching flexible area and the two opposite sides of the steering pull rod ball pin matching flexible area extend outwards; the hub bearing matching flexible area, the brake caliper matching flexible area and the steering pull rod ball pin matching flexible area are respectively provided with preset machining allowance.

Description

Automobile steering knuckle, blank thereof, steering assembly and automobile

Technical Field

The utility model belongs to the technical field of the car manufacturing process technique and specifically relates to an automobile-used knuckle and blank, steering assembly, car thereof.

Background

The knuckle is a hinge for turning the wheel, and the conventional knuckle is generally fork-shaped. Two coaxial holes for mounting ball pins of the control arm are arranged on one side of the steering knuckle, and wheels are mounted in the middle of the steering knuckle through a hub bearing, so that the front wheels can deflect a certain angle around the main pin to steer the automobile.

That is to say, the knuckle needs a plurality of car assembly structures respectively in vertical both sides that need connect, and current knuckle adapts to the motorcycle type usually and designs, has following problem:

1) The steering knuckles of the front and rear suspensions have different structures due to the difference of the types of the suspensions, and do not have a universal foundation;

2) The front-drive and rear-drive differences are generally different corresponding to the hub bearings, so that the steering knuckle interface is difficult to use universally;

3) The front and rear steering knuckles need diversification of the structure of the steering knuckle due to the different calipers specifications for installing interfaces, and the cost of the die cannot be reduced;

4) The change of a steering knuckle (the installation position of a hub bearing on the steering knuckle changes) caused by the problem of the expansion of the height of a wheel center of a vehicle (such as a car and an SUV) with the same platform in high and low postures can be generally redeveloped, and the period cost is influenced.

In view of the above, it is desirable to provide a knuckle with high utilization rate.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automobile-used knuckle blank, automobile-used knuckle assembly and car aims at solving the technical problem that the background art mentioned.

In a first aspect, the present application provides a vehicle knuckle blank, comprising: the blank body comprises a first base surface facing the wheel along the Y direction and a second base surface facing away from the wheel along the Y direction in a use state, and a first side surface and a second side surface along the X direction; the first base surface is provided with a central positioning hole and bolt flange matching areas which are arranged in a matrix mode around the central positioning hole, and the second base surface is provided with a hub bearing matching flexible area; the first side surface and the second side surface are respectively provided with a brake caliper matching flexible area and a steering pull rod ball pin matching flexible area, wherein the two opposite sides of the brake caliper matching flexible area and the two opposite sides of the steering pull rod ball pin matching flexible area extend outwards; the hub bearing matching flexible area, the brake caliper matching flexible area and the steering pull rod ball pin matching flexible area are respectively provided with preset machining allowance.

In the optional scheme in this application, first base plane and second base plane are the plane, and bolt flange cooperation area is protruding predetermined first distance relatively first base plane, and hub bearing connects the protruding predetermined second distance of flexible region relatively second base plane, and the center locating hole runs through first base plane and second base plane.

In an alternative solution in this application, the brake caliper is adapted with the flexible region and is included along two vertical at least side ears of arranging, the tie rod ball round pin is adapted with the flexible region and is included a horizontal column body of arranging, wherein the side ear outwards extends for the plane, the axis direction of column body is on a parallel with the Z to.

In the optional scheme in this application, the upper and lower both ends of second base surface are provided with respectively to deviating from first linking arm and the second linking arm that extends on the wheel direction, first linking arm and second linking arm correspond respectively and go up the control arm and control arm setting down.

In an optional scheme of the application, a lightening hole is formed in one end, close to the second connecting arm, of the blank body, and the lightening hole penetrates through the whole blank body and reserves a motion avoiding space for a connecting position of the second connecting arm.

In a second aspect of the present application, a vehicle steering knuckle is further provided, the vehicle steering knuckle is formed by processing the vehicle steering knuckle blank, corresponding hub bearing mounting holes, brake caliper mounting holes and steering pull rod outer ball pin mounting tapered holes are respectively processed in a bolt flange matching area, a brake caliper matching flexibility area and a steering pull rod ball pin matching flexibility area according to vehicle type requirements, and the steering pull rod outer ball pin mounting tapered holes and the hub bearing mounting holes and the brake caliper mounting holes are in a spatial vertical state; the thickness of the first matching surface of the hub bearing matching flexible area, the thickness of the second matching surface of the brake caliper matching flexible area and the thickness of the third matching surface and the fourth matching surface of the steering rod ball pin matching flexible area are changed through different cutting amounts.

In this application optional scheme, be provided with control arm ball round pin mounting hole and control arm ball round pin mounting hole down on first linking arm and second linking arm respectively, the edge of first linking arm and second linking arm is provided with the incision that runs through control arm ball round pin mounting hole and control arm ball round pin mounting hole down respectively, and the control arm ball round pin seat of its inside pressure equipment of incision fastening is passed through the bolt to the side direction.

According to the optional scheme of the application, according to the requirements of the vehicle type, large center through holes with different coordinates and specifications are processed at the center positioning hole.

In a third aspect of the present application, there is also provided a knuckle assembly for a vehicle, comprising: the above vehicle steering knuckle; further comprising: the steering mechanism comprises an upper control arm, a lower control arm, a sliding column, a steering pull rod, a driving shaft and a hub bearing; the upper control arm and the lower control arm are connected through a ball pin and a control arm ball pin mounting hole respectively, the sliding column is connected between a vehicle body mounting support and the lower control arm respectively, the steering pull rod is connected to a steering pull rod outer ball pin mounting taper hole, the driving shaft fixing joint outer spline shaft penetrates through a central large through hole and is connected with the hub bearing inner spline sleeve, and the hub bearing is connected to the hub bearing mounting hole.

In addition, still provide an automobile, the automobile includes above automobile-used knuckle assembly.

Has the beneficial effects that:

the utility model provides a general automobile-used knuckle blank body and automobile-used knuckle after processing, steering assembly and car under the user state all possess following beneficial effect:

1) In the framework pre-grinding stage, the front shaft and the rear shaft can share one steering knuckle blank through hard point design and other technical means, so that the development cost and the development period are saved for the framework vehicle type expansion;

2) The structure vehicle type cross-level wheel track variation realizes the sharing of the steering knuckle through the flexibility of the steering knuckle interface, and saves the mold cost and the product development period;

3) The steering knuckle sharing is realized through the flexibility of the steering knuckle interface aiming at the development of various hub bearings or vehicle types with the same platform and high and low postures, so that the mold cost and the product development cycle are saved;

4) The flexibility of the steering pull rod and the steering knuckle interface is a platform vehicle type expansion and later-period performance optimization reserved adjustment space, the mold cost and the product development period are saved, and the performance development risk can be reduced.

Other features and advantages of embodiments of the present invention will be described in the detailed description that follows.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1a is a schematic structural diagram (front view) showing a vehicle knuckle blank according to an exemplary embodiment of the present invention;

fig. 1b is a schematic structural diagram (back view) showing the vehicle knuckle blank according to the embodiment of the present invention;

FIG. 2a is a schematic structural diagram (front view) of a low-attitude vehicular knuckle processed from a vehicular steering blank according to an embodiment of the present invention;

FIG. 2b is a schematic structural diagram (rear view) of a low-profile vehicular knuckle processed from a vehicular steering blank according to an embodiment of the present invention;

FIG. 2c is a schematic structural diagram (top view) of a low-profile vehicular knuckle machined from a vehicular steering blank according to an embodiment of the present invention;

FIG. 3a is a schematic structural diagram (front view) of a high-attitude vehicular knuckle processed from a vehicular steering blank according to an embodiment of the present invention;

FIG. 3b is a schematic structural diagram (rear view) of a high-attitude vehicular knuckle processed from the vehicular steering blank according to the embodiment of the present invention;

FIG. 3c is a schematic structural diagram (top view) of a high-attitude vehicular knuckle processed from the vehicular steering blank according to the embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating an exemplary configuration of a vehicle steering knuckle and upper and lower control arms in a connected state according to an embodiment of the present invention;

fig. 5 is a schematic structural view (side view) of the steering knuckle for a vehicle shown in the present invention in a state of being connected to a control arm; and

fig. 6 is a schematic structural view of the steering knuckle assembly for a vehicle shown in the present invention.

In the above figures, the list of parts represented by the various reference numerals is as follows:

1000. a steering knuckle assembly for a vehicle; 100. A knuckle blank;

200. a low-attitude vehicular knuckle; 300. A high attitude vehicular knuckle;

A. a first base surface; b. A second base surface;

C. a first side surface; d. A second side surface;

100. a blank body; 110. A central positioning hole;

120. a bolt flange mating area; 130. The hub bearing is matched and connected with the flexible area;

140. the brake caliper is matched with the flexible area; 150. The steering pull rod ball pin is matched and connected with the flexible area;

101. a lateral ear; 102. A columnar body;

103. a first connecting arm; 104. A second connecting arm;

105. lightening holes; 221 (321) and a hub bearing mounting hole;

231 (331), a first mating surface; 241 (341), brake caliper mounting holes;

251 (351) mounting taper holes for outer ball pins of the steering pull rods;

242 (342), a second mating surface; 252 (352), a third mating face;

253 (353), a fourth mating surface; 301. An upper control arm ball pin mounting hole;

302. a lower control arm ball pin mounting hole; 303. Cutting;

210 (310) a central large via hole; 10. An upper control arm;

20. a lower control arm; 30. A traveler;

40. a steering tie rod; 50. A drive shaft;

60. and a hub bearing.

Detailed Description

In order to make the above and other features and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The embodiment of the utility model provides a structural design about knuckle can realize a general knuckle through this structural design for the platform framework motorcycle type need not to carry out redevelopment to the knuckle when the extension scheme, and the knuckle that aims at solving to exist among the prior art does not have the mobility, leads to the not high, other motorcycle type scheduling problems of unable adaptation of development efficiency.

It is understood that the above-mentioned "X direction and Y direction" are explained with reference to the entire vehicle coordinate system, i.e. the straight line where the vehicle head direction is located is the X direction, the axial direction of the front wheels is the Y direction, and the direction perpendicular to the ground is the Z direction, the same applies below.

[ knuckle blank for vehicle ]

Therefore, based on the technical problems in the prior art, the scheme especially provides a vehicle steering knuckle blank. Referring to fig. 1a to 1b, fig. 1a is a schematic structural diagram (front view) showing a vehicle knuckle blank according to an exemplary embodiment of the present invention, and fig. 1b is a schematic structural diagram (back view) showing the vehicle knuckle blank according to an exemplary embodiment of the present invention.

As can be seen from the figure, in the embodiment of the present invention, the vehicle knuckle blank comprises;

the blank body 100 is in a rhomboid shape, and comprises a first base surface A, a second base surface B, a first side surface C and a second side surface D;

with reference to the use state of the blank body 100 assembled on the vehicle body after machining, since the knuckle is vertically placed on the inner side of the wheel, the first base surface a refers to a surface facing the wheel in the Y direction, the second base surface B refers to a surface facing away from the wheel in the Y direction, i.e., toward the inner side of the suspension, and the first side surface C and the second side surface D refer to both sides in the X direction.

On the basis, the first base surface a is provided with a central positioning hole 110 and bolt flange matching areas 120 which are arranged in a matrix manner around the central positioning hole 110, and the second base surface B is provided with a hub bearing matching flexible area 130.

It can be understood that the center positioning hole 110 is a through hole penetrating through the first base surface a and the second base surface B, and in the blank stage, the center positioning hole 110 is used as a reference hole for processing and positioning the whole blank body 100, and the center positioning hole is fixed by the tool fixture to facilitate the processing of the whole blank and ensure the position degree of the whole processing.

The bolt flange matching area 120 is used for processing through holes for mounting a hub bearing flange plate, can be three holes, four holes and the like, and can be specifically subjected to adaptive processing according to an automobile hub. The second base surface B is provided with a hub bearing mating flexible region 130, which is a mating surface (surface in mating contact) where the knuckle contacts the flange after installation.

Further, the first side surface C and the second side surface D are respectively provided with a brake caliper mating flexible region 140 and a steering rod ball pin mating flexible region 150 extending outward.

In the embodiment of the present invention, the hub bearing adapter flexible region 130, the brake caliper adapter flexible region 140, and the steering rod ball pin adapter flexible region 150 are equally provided with predetermined machining allowance.

It can be understood that the above mentioned flexible regions (not referring to flexible connection) can be made by flexibility, so that the regions have adjustability and variability, and can meet the flexibility requirement of vehicle types, and have the capability of using multiple vehicle types on the same platform or cross platform vehicle types in a collinear manner, that is, the hub bearing adapting flexible region 130, the brake caliper adapting flexible region 140, and the steering rod ball pin adapting flexible region 150 can be changed by a unified processing mode, if only one set of tooling die is used, only the parameters and the processing morphology are different, and the vehicle type can be changed.

In order to achieve the purpose, in the embodiment of the present invention, machining allowances are left in the above-mentioned several areas, so as to achieve the universality of the knuckle blank 100 for the vehicle (the embodiment of the specific universality can refer to the subsequent embodiments), and the embodiment of the present invention sets the integral blank body 100 into a diamond-like shape.

In the embodiment of the present invention, on the first base surface a, the bolt flange engaging region 120 protrudes a predetermined first distance from the first base surface a, the hub bearing mating flexible region 130 protrudes a predetermined second distance from the second base surface B, and the center positioning hole 110 directly penetrates through the first base surface a and the second base surface B.

It will be appreciated that the bolt flange engaging region 120 is of a boss configuration relative to the first base plane a so as to allow a machining allowance of not less than 2mm, and then the thickness of the integral knuckle blank 100 may be reduced by at least 2mm, resulting in a lightweight knuckle blank 100.

The hub bearing mating flexible region 130 protrudes a predetermined second distance from the second base surface B, the thickness of the hub bearing mating flexible region 130 can be machined, and the thickness of the hub bearing mating flexible region 130 can be changed to change the mounting position of the rim Y (i.e. change the wheel track) by changing the thickness of the hub bearing mating flexible region 130.

When the motorcycle type extends, join in marriage through the wheel hub bearing and connect flexible region 130 and can realize the change of a certain amount of wheel track, promptly the embodiment of the utility model provides a through join in marriage wheel hub bearing and connect flexible region 130 and the direct integration machine-shaping of second base face B, only need can realize extending through machining when extending.

It will be appreciated that while the prior art typically employs the addition of a spacer between the knuckle and the hub bearing, the integrated hub bearing mating flexibility region 130 employed in the present application may remove tolerances between the spacer and the mating surfaces of the hub bearing and the knuckle, increasing reliability and stability of the expansion.

The flexible region 140 for adapting to the brake caliper includes at least two side ears 101 arranged vertically, and the flexible region 150 for adapting to the steering rod ball pin includes a column 102 arranged horizontally, wherein the side ears 101 extend outwards for a plane and reserve a certain space, and the side ears 101 and the brake caliper are mutually matched and can be machined according to the specification and the installation point of the brake caliper.

The embodiment of the utility model provides an in, the column body 102 department be used for with the steering linkage end through the ball joint be connected, the column body 102 presents the toper cylinder, agrees with the shape in the hole of required processing in order convenient and the cooperation of ball joint, in the certain allowance of processing of the outer fringe surplus of side ear 101, the accessible carries out the machining to side ear 101 and changes its shape, the hole machining can be carried out to side ear 101 middle zone.

In the embodiment of the present invention, the upper and lower ends of the second base surface B are respectively provided with the first connecting arm 103 and the second connecting arm 104 extending away from the wheel direction, and the first connecting arm 103 and the second connecting arm 104 respectively correspond to the upper control arm (the specific position can refer to the following) and the lower control arm (the specific position can refer to the following).

The first link arm 103 and the second link arm 104 are used to leave a machining allowance, respectively, and by machining the positions of holes thereon, the connection postures of the upper control arm and the lower control arm can be changed, thereby changing the king pin tread.

In the embodiment of the utility model provides an in, the one end that automobile-used knuckle blank body 100 is close to second linking arm 104 is provided with lightening hole 105, and lightening hole 105 runs through whole blank body 100 and dodges the space for the junction reservation motion of second linking arm 104, can realize lightweight design simultaneously.

Therefore, by matching with the structural design of the vehicle knuckle blank 100, machining the vehicle knuckle blank 100 and performing differentiated processing on different vehicle types in a flexible area, the high-pass rate of the vehicle knuckle blank 100 can be realized, the sharing of an interface and a matching interface is realized, and the mold cost and the product development period are saved.

[ knuckle for vehicle ]

Referring to fig. 1a and fig. 1b, and with reference to fig. 2 (a-b) and fig. 3 (a-b), fig. 2 is a schematic structural diagram of a low-attitude vehicular knuckle 200 processed by a vehicular steering blank 100 according to an embodiment of the present invention, and fig. 3 is a schematic structural diagram of a high-attitude vehicular knuckle 300 processed by the vehicular steering blank 100 according to an embodiment of the present invention. (for distinction, different numbers are given to different parts of the processed low-attitude vehicular knuckle 200 and the high-attitude vehicular knuckle 300, such as the center large via hole 210 of the low-attitude vehicular knuckle 200 and the center large via hole 310 of the high-attitude vehicular knuckle 300)

Taking the low-attitude vehicular steering knuckle 200 shown in fig. 2 as an example, the vehicular steering knuckle is formed by processing the vehicular steering knuckle blank 100, and according to the requirements of the vehicle model, a hub bearing mounting hole 221, a brake caliper mounting hole 241 and a steering pull rod outer ball pin mounting tapered hole 251 are respectively processed in the bolt flange matching region 120, the brake caliper mating flexible region 140 and the steering pull rod ball pin mating flexible region 150 correspondingly, and the axes of the steering pull rod outer ball pin mounting tapered hole 251, the hub bearing mounting hole 221 and the brake caliper mounting hole 241 are in a space vertical state;

the spatial vertical state mentioned above means that the axes of the pull rod outer ball pin mounting tapered hole 251 and the hub bearing mounting hole 221 can be set to be vertical or other vertical approximate angles according to requirements.

The thickness of the first mating surface 231 of the hub bearing mating flex region 130, the thickness of the second mating surface 242 of the brake caliper mating flex region 140, and the thickness of the third mating surface 252 and the fourth mating surface 253 of the tie rod ball pin mating flex region 150 are varied by the amount of cut.

An upper control arm ball pin mounting hole 301 and a lower control arm ball pin mounting hole 302 are respectively arranged on the first connecting arm 103 and the second connecting arm 104, a notch 303 penetrating through the control arm ball pin mounting holes is arranged at the edge of the first connecting arm 103 and the second connecting arm 104, and a control arm ball pin seat pressed inside is fastened to realize connection by a bolt laterally penetrating through the notch 303, as shown in fig. 4.

According to the requirements of the vehicle type, the center large through hole 210 with different coordinates and specifications is processed at the center positioning hole 110.

It will be appreciated that the mating surface 231 within the hub bearing mating flex region 130 of the low profile vehicle steering knuckle 200 may be adjusted within a certain bandwidth according to a track expansion strategy by applying different amounts of milling to that surface.

As shown in fig. 5, the dimension Z1 is changed under the condition that the sum of Z1+ Z2 is kept constant, i.e. the large central through hole 210 of the finished knuckle moves up and down relative to the central positioning hole 110 of the raw blank, and the height of the static lower wheel of the vehicle relative to the vehicle body can be changed by the means, i.e. the Z-direction expansion of the vehicle model of the platform framework. The brake caliper mounting holes 241 and 242 and the adapting surface 243 can be adjusted in a certain amount in the flexible region according to arrangement requirements and caliper selection, and the requirement of different models of platforms on the differentiation of front and rear steering knuckles due to the specification differentiation of calipers is met. The steering tie rod outer ball pin mounting taper hole 251 and the upper and lower matching planes 252 and 253 can be adjusted in a flexible area according to the steering performance requirement, and even after the later-stage vehicle operation is stably adjusted, a space can be reserved for optimizing the outer point of the steering tie rod under the condition that a steering knuckle mold is not influenced.

Referring to fig. 3, the high-attitude vehicle knuckle 300 (larger in size than the low-attitude vehicle model Z1) is shared with the low-attitude vehicle knuckle 200, and only in the flexible region, differentiation is achieved by machining, as shown in fig. 3.

According to the requirements of the vehicle model, a hub bearing mounting hole 321, a brake caliper mounting hole 341 and a steering rod outer ball pin mounting taper hole 351 are correspondingly processed in the bolt flange matching region 120, the brake caliper matching flexible region 140 and the steering rod ball pin matching flexible region 150 respectively.

The thickness of the first mating surface 331 of the hub bearing mating flex region 130, the thickness of the second mating surface 342 of the brake caliper mating flex region 140, and the thickness of the third and fourth mating surfaces 352, 353 of the tie rod ball pin mating flex region 150 are varied by the amount of the cut.

The upper control arm ball pin mounting hole 301 and the lower control arm ball pin mounting hole 302 may also be changed in specification and location to change the king pin or track.

According to the improvement of the flexible area, the expansion of the steering knuckle can be realized.

[ knuckle for vehicle ]

Fig. 2 is a schematic structural diagram of a low-attitude vehicle knuckle 200 processed from a vehicle steering blank 100 according to an embodiment of the present invention, which illustrates a vehicle knuckle assembly 1000, where the vehicle knuckle assembly 1000 includes:

the above-described vehicle steering knuckle 200;

further comprising: an upper control arm 10, a lower control arm 20, a strut 30, a steering link 40, a drive shaft 50, and a hub bearing 60;

the sliding column 30 is respectively connected between the vehicle body mounting bracket and the lower control arm 20, the steering pull rod 40 is connected to the steering pull rod outer ball pin mounting taper hole 251, the outer spline shaft of the fixed joint of the driving shaft 50 penetrates through the central large through hole 210 to be connected with the hub bearing inner spline sleeve, and the hub bearing 60 is connected to the hub bearing mounting hole 221.

On the other hand, the embodiment of the present invention further provides an automobile (not shown), which includes:

such as the above-described vehicle steering knuckle assembly 1000.

The automobile can cover Sedan, SUV, MPV, pickup and other automobile types in A-grade, B-grade and C-grade automobiles, the generalization rate of platform parts is improved, and the design and verification period of the automobile is shortened.

To sum up, the utility model provides a general automobile-used knuckle blank body and automobile-used knuckle after processing, steering assembly and car under the user state all possess following beneficial effect:

1) In the framework pre-grinding stage, the front shaft and the rear shaft can share one steering knuckle blank through hard point design and other technical means, so that the development cost and the development period are saved for the framework vehicle type expansion;

2) The structure vehicle type cross-level wheel track variation realizes the sharing of the steering knuckle through the flexibility of the steering knuckle interface, and saves the mold cost and the product development period;

3) The steering knuckle sharing is realized through the flexibility of the steering knuckle interface aiming at the development of various hub bearings of framework vehicle types or vehicle types with the same platform and high and low postures, so that the mold cost and the product development period are saved;

4) The flexibility of the steering pull rod and the steering knuckle interface is a platform vehicle type expansion and later-period performance optimization reserved adjustment space, the mold cost and the product development period are saved, and the performance development risk can be reduced.

It should be understood by those skilled in the art that, if the knuckle structure provided by the embodiments of the present invention or its blank, all or part of the sub-modules involved in it are combined and replaced by fusing, simple change, mutual change, etc., for example, each component is placed in a moving position; or the products formed by the components are integrally arranged; or a detachable design; any combined component can be combined into a device/apparatus/system with a specific function, and the device/apparatus/system is used to replace the corresponding component of the present invention, which also falls into the protection scope of the present invention.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A vehicle knuckle blank comprising:

a blank body (100), the blank body (100) comprising a first base surface (A) facing towards the wheel in the Y direction and a second base surface (B) facing away from the wheel in the use condition, and a first side surface (C) and a second side surface (D) in the X direction;

characterized in that the first base surface (A) and the second base surface (B) are both planar;

the first base surface (A) is provided with a central positioning hole (110) and bolt flange matching areas (120) which are arranged around the central positioning hole (110) in a matrix manner, and the second base surface (B) is provided with a hub bearing matching flexible area (130);

the first side surface (C) and the second side surface (D) are respectively provided with a brake caliper matching flexible area (140) and a steering pull rod ball pin matching flexible area (150) which extend outwards relative to the two sides;

the hub bearing matching flexible region (130), the brake caliper matching flexible region (140) and the steering pull rod ball pin matching flexible region (150) are respectively provided with preset machining allowances.

2. The vehicle knuckle blank according to claim 1, wherein said bolt flange engagement area (120) protrudes a predetermined first distance relative to said first base plane (a), said hub bearing mating flex area (130) protrudes a predetermined second distance relative to said second base plane (B), and said centrally located aperture (110) extends through said first base plane (a) and said second base plane (B).

3. The vehicle knuckle blank according to claim 1, wherein said brake caliper mating compliance region (140) comprises at least two side ears (101) arranged vertically, and said tie rod ball pin mating compliance region (150) comprises a laterally arranged pillar (102), wherein said side ears (101) are planar and extend outwardly, and an axial direction of said pillar (102) is parallel to a Z-direction.

4. The vehicle knuckle blank according to claim 1, wherein the second base surface (B) is provided at upper and lower ends thereof with a first connecting arm (103) and a second connecting arm (104) extending in a direction away from the wheel, respectively, and the first connecting arm (103) and the second connecting arm (104) are provided corresponding to the upper control arm (10) and the lower control arm (20), respectively.

5. The vehicle knuckle blank according to claim 4, wherein a lightening hole (105) is formed in one end of the blank body (100) close to the second connecting arm (104), and the lightening hole (105) penetrates through the whole blank body (100) and reserves a movement avoiding space for the connection of the second connecting arm (104).

6. A steering knuckle for a vehicle, characterized in that,

the automotive steering knuckle is formed by processing the automotive steering knuckle blank according to any one of claims 1 to 5, and according to the requirements of an automobile type, a corresponding hub bearing mounting hole (221), a corresponding brake caliper mounting hole (241) and a corresponding steering pull rod outer ball pin mounting tapered hole (251) are respectively processed in a bolt flange matching area (120), a corresponding brake caliper matching flexible area (140) and a corresponding steering pull rod ball pin matching flexible area (150), and the axes of the steering pull rod outer ball pin mounting tapered hole (251), the hub bearing mounting hole (221) and the corresponding brake caliper mounting hole (241) are in a spatial vertical state;

wherein the thickness of the first mating surface (231) of the hub bearing mating flex region (130), the thickness of the second mating surface (242) of the brake caliper mating flex region (140), and the thickness of the third mating surface (252) and the fourth mating surface (253) of the tie rod ball pin mating flex region (150) are varied by varying the amount of cutting.

7. The vehicle steering knuckle according to claim 6, wherein an upper control arm ball pin mounting hole (301) and a lower control arm ball pin mounting hole (302) are respectively formed in the first connecting arm (103) and the second connecting arm (104), a notch (303) respectively penetrating through the upper control arm ball pin mounting hole (301) and the lower control arm ball pin mounting hole (302) is formed in the edge of the first connecting arm (103) and the second connecting arm (104), and the internally press-fitted control arm ball pin seat is laterally fastened by a bolt penetrating through the notch (303).

8. The vehicle steering knuckle according to claim 7, wherein a large center through hole (210) with different coordinates and specifications is processed at the center positioning hole (110) according to the requirements of the vehicle type.

9. A steering assembly, comprising:

a vehicular steering knuckle according to claim 8;

further comprising:

the device comprises an upper control arm (10), a lower control arm (20), a sliding column (30), a steering pull rod (40), a driving shaft (50) and a hub bearing (60);

the upper control arm (10) and the lower control arm (20) are respectively connected with control arm ball pin mounting holes (301 and 302), the sliding column (30) is respectively connected between a vehicle body mounting bracket and the lower control arm (20), the outer end of the steering pull rod (40) is connected to a steering pull rod outer ball pin mounting taper hole (251), an outer spline shaft of a fixed joint on the outer side of the driving shaft (50) penetrates through the central large through hole (210) and is connected with an inner spline sleeve of the hub bearing (60), and the hub bearing (60) is connected to a hub bearing mounting hole (221).

10. An automobile, characterized in that the automobile comprises the knuckle assembly for an automobile according to claim 9.

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