CN216684578U - Steering knuckle and vehicle with same - Google Patents

Abstract

The utility model discloses a steering knuckle and a vehicle with the same, wherein the steering knuckle comprises: a main body having a hub bearing seat hole formed therein; the front strut mounting seat is arranged at the upper end of the main body and comprises a first mounting seat body and a first side supporting plate, a front strut mounting hole is formed in the first mounting seat body, and a first lightening blind hole is formed in one side, back to the first mounting seat body, of the first side supporting plate; the control arm mounting seat is arranged at the lower end of the main body and comprises a second mounting seat body and a second side supporting plate, a control arm mounting hole is formed in the second mounting seat body, and a second lightening blind hole and a third lightening blind hole are formed in two sides of the thickness of the second side supporting plate respectively. According to the steering knuckle, the first lightening blind hole, the second lightening blind hole and the third lightening blind hole are arranged, so that the steering knuckle is lightened under the condition that the structural rigidity and the strength of the steering knuckle are guaranteed, and meanwhile, the cost is reduced.

Description

Steering knuckle and vehicle with same

Technical Field

The utility model relates to the field of vehicles, in particular to a steering knuckle and a vehicle with the same.

Background

With the development of the times, automobiles become an indispensable part of life of people, and the weight of the automobiles can influence the energy consumption and the driving mileage of the automobiles, so the light weight of the automobiles becomes a development trend.

The steering knuckle is one of parts of an automobile steering system, and is provided with a hub bearing mounting seat, a brake caliper mounting point, a front pillar mounting point, a lower control arm mounting point, a steering pull rod mounting point and the like. The weight of the knuckle is large to satisfy the structural arrangement and the rigidity and strength of the knuckle.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the utility model provides the steering knuckle which is high in structural strength and light in weight.

The utility model also provides a vehicle with the steering knuckle.

A knuckle according to an embodiment of the present invention includes: a body having a hub bearing seat bore formed therein; the front strut mounting seat is arranged at the upper end of the main body and comprises a first mounting seat body and a first side supporting plate, a front strut mounting hole is formed in the first mounting seat body and used for mounting a front strut, and a first lightening blind hole is formed in one side, back to the first mounting seat body, of the first side supporting plate; the control arm mount pad, the control arm mount pad is established the lower extreme of main part, and includes second mount pad body and second side support board, be formed with the control arm mounting hole on the second mount pad body in order to be used for installing the control arm, second side support board thickness both sides are formed with the second respectively and alleviate the blind hole and the third alleviates the blind hole, the second alleviate the blind hole with the third alleviates the blind hole and staggers the setting from top to bottom, the second alleviates the blind hole and forms the dorsad of second side support board one side of second mount pad body.

According to the steering knuckle provided by the embodiment of the utility model, the first lightening blind hole, the second lightening blind hole and the third lightening blind hole are arranged, so that the steering knuckle is lightened under the condition of ensuring the structural rigidity and strength of the steering knuckle, and meanwhile, the cost is reduced.

Further, be formed with the recess in the main part, wheel hub bearing seat hole runs through the diapire of recess, the recess with the main part is in the interval setting respectively of the ascending both sides border in the direction of the direction about the perpendicular to, wherein, be equipped with the strengthening rib on the lateral wall of recess, the strengthening rib with first mount pad body links to each other.

In some embodiments, the front pillar mounting holes are two and spaced up and down, the first mounting seat body is formed with a fourth lightening blind hole, the fourth lightening blind hole is located between the two front pillar mounting holes, and the fourth lightening blind hole and two side edges of the first mounting seat body in a direction perpendicular to the up-down direction are respectively spaced apart.

Furthermore, the two opposite sides of the first mounting seat body are respectively provided with an edge part, the two edge parts are located between the two front strut mounting holes and are respectively located on the two opposite sides of the fourth lightening blind hole, the thickness of the edge parts is t1, and t1 is not less than 6mm and not more than 8 mm.

In some embodiments, a first lightening groove is formed in one side of the first side support plate, which faces away from the first mounting seat body, and penetrates through one side edge of the first side support plate and is spaced from the first lightening blind hole, the first side support plate has a first support part and a second support part, the first support part and the second support part are respectively located on two opposite sides of the first lightening blind hole, the first support part is located between the first lightening groove and the first lightening blind hole, and the second support part is located at the edge of the first side support plate, wherein the thickness of the first support part is t2, the thickness of the second support part is t3, t2 is equal to or less than 14mm, and t3 is equal to or less than 19 mm.

In some embodiments, the third lightening blind holes and the second side support plate are respectively arranged at intervals at two side edges in a direction perpendicular to the up-down direction.

In some embodiments, a second lightening groove is formed on a side of the second side support plate facing away from the second mounting seat body, and the second lightening groove penetrates through a side edge of the second side support plate, wherein a fifth lightening blind hole is further formed on the second side support plate, and the second lightening blind hole is arranged between the second lightening groove and the fifth lightening blind hole at intervals.

In some embodiments, the main body is further provided with a steering rod mounting seat, the steering rod mounting seat includes a third mounting seat body, a first connecting plate, a side reinforcing plate and a first supporting plate, a steering rod mounting hole is formed on the third mounting seat body for mounting a steering rod, the first connecting plate, the side reinforcing plate and the first supporting plate are all connected between the third mounting seat body and the main body, the first connecting plate is arranged at the lower end of the side reinforcing plate, one end of the first connecting plate, which is far away from the third mounting seat body, is arranged below one end of the first supporting plate, which is far away from the third mounting seat body, at an interval, wherein the thickness of the first connecting plate is t4, the thickness of the side reinforcing plate is t5, the thickness of the first supporting plate is t6, t4 is not less than 7mm, t5 is not less than 11mm, t6 is not less than 7mm and not more than 9 mm.

In some embodiments, two brake caliper mounting seats are further arranged on the main body at intervals up and down, a brake caliper mounting hole is formed in each brake caliper mounting seat for mounting a brake caliper, a second connecting plate and a second support plate are arranged between at least one brake caliper mounting seat and the main body, the two second connecting plates are respectively arranged at the upper end and the lower end of the brake caliper mounting seat, the second support plate is arranged between the two second connecting plates at intervals, the thickness of the second connecting plate is t7, the thickness of the second support plate is t8, the thickness of the second support plate is t7 and 14mm, and the thickness of the second support plate is t8 and 11 mm.

A vehicle according to an embodiment of the present invention is characterized by including the knuckle as described in the above embodiment.

According to the vehicle provided by the embodiment of the utility model, the steering knuckle provided by the embodiment can realize light weight design of the vehicle and reduce energy consumption of the vehicle on the premise of ensuring reliable use of the vehicle.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a steering knuckle mounted according to one embodiment of the present invention;

FIG. 2 is a schematic view of the steering knuckle shown in FIG. 1;

FIG. 3 is another schematic view of the steering knuckle shown in FIG. 2;

FIG. 4 is another schematic view of the steering knuckle shown in FIG. 2;

FIG. 5 is another schematic view of the steering knuckle shown in FIG. 2;

FIG. 6 is another schematic view of the steering knuckle shown in FIG. 2;

FIG. 7 is a side schematic view of the knuckle shown in FIG. 2.

Reference numerals:

knuckle 100, front pillar 200, control arm 300, hub bearing 400, wheel 500,

A main body 1,

Hub bearing seat bore 11, hub bearing seat relief bore 111, hub bearing seat mounting bore 112,

A groove 12, a reinforcing rib 121,

A steering pull rod mounting seat 13,

A third mounting seat body 131, a pull rod mounting hole 1311,

A first connection plate 132, a side reinforcement plate 133, a first support plate 134,

A caliper mount 14, a caliper mount hole 141, a second connecting plate 142, a second support plate 143,

A front pillar mounting seat 2,

First mount base body 21, front pillar mount hole 211, fourth lightening blind hole 212, edge portion 213, and,

A first side support plate 22,

A first lightening blind hole 221, a first lightening groove 222, a first support part 223, a second support part 224, a control arm mounting seat 3,

A second mounting seat body 31, a control arm mounting hole 311,

A second side supporting plate 32,

Second lightening blind holes 321, third lightening blind holes 322, second lightening grooves 323, fifth lightening blind holes 324.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

A knuckle 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1, a front pillar 200 of a vehicle is connected to a knuckle 100, the knuckle 100 is connected to a hub bearing housing 400, two control arms 300 are connected to the knuckle 100, and the control arms 300 drive the knuckle 100 to rotate around the central axis of the front pillar 200, i.e., the wheel 500 rotates around the central axis of the front pillar 200, so that the vehicle can steer.

According to the knuckle 100 of the embodiment of the present invention, as shown in fig. 2 and 3, the knuckle 100 includes: main part 1, front pillar mount 2 and control arm mount 3.

The main body 1 is formed with a hub bearing seat hole 11, and the hub bearing seat hole 11 can realize the installation of the hub bearing seat 400. For example, as shown in FIG. 3, the hub bearing seat bore 11 may include a hub bearing seat clearance bore 111 and a hub bearing seat mounting bore 112. The hub bearing seat avoiding hole 111 is adapted to avoid a central axis of the hub bearing seat 400, preventing interference, and has a weight reduction effect, reducing the weight of the main body 1, and making the knuckle 100 lightweight. The hub bearing seat mounting holes 112 may be located around the hub bearing seat relief holes 111, the hub bearing seat mounting holes 112 cooperating with the connectors to mount the hub bearing seat 400 to the knuckle 100. Optionally, the connector is a bolt. It will of course be appreciated that the arrangement of the hub bearing seat mounting bore 112 is not limited in this figure.

The front pillar mount 2 is disposed at the upper end of the main body 1, the front pillar mount 2 includes a first mount body 21 and a first side support plate 22, a front pillar mount hole 211 is formed on the first mount body 21 for mounting the front pillar 200, and a first lightening blind hole 221 is formed at a side of the first side support plate 22 facing away from the first mount body 21. Specifically, the front pillar mounting hole 211 cooperates with the connecting member to mount the front pillar 200 to the knuckle 100, and the first lightening blind hole 221 may be formed by recessing a portion of the surface of the side of the first side support plate 22 facing away from the first mount body 21, that is, the first lightening blind hole 221 does not penetrate through the first side support plate 22 in the thickness direction of the first side support plate 22, so that the weight of the front pillar mount 2 can be reduced by the provision of the first lightening blind hole 221 while ensuring the structural strength and rigidity of the front pillar mount 2, resulting in a light weight of the knuckle 100. Optionally, the connector is a bolt.

The control arm mounting base 3 is arranged at the lower end of the main body 1, the control arm mounting base 3 comprises a second mounting base body 31 and a second side supporting plate 32, a control arm mounting hole 311 is formed in the second mounting base body 31 and used for mounting the control arm 300, and the control arm 300 is matched with the connecting piece through the control arm mounting hole 311 and is hinged to the steering knuckle 100, so that the control arm 300 can drive the steering knuckle 100 to rotate around the central axis of the front pillar 200. Optionally, the connector is a bolt.

A second lightening blind hole 321 and a third lightening blind hole 322 are respectively formed on two sides of the thickness of the second side support plate 32, namely the second lightening blind hole 321 is located on one side of the thickness of the second side support plate 32, the third lightening blind hole 322 is located on the other side of the thickness of the second side support plate 32, the second lightening blind hole 321 and the third lightening blind hole 322 are arranged in a staggered manner up and down so as to prevent interference between the second lightening blind hole 321 and the third lightening blind hole 322, the second lightening blind hole 321 is formed on one side of the second side support plate 32 facing away from the second mounting seat body 31, the second lightening blind hole 321 can be formed by recessing a part of the surface of one side of the second side support plate 32 facing away from the second mounting seat body 31, namely, in the thickness direction of the second side support plate 32, the second lightening blind hole 321 does not penetrate through the second side support plate 32, the third lightening blind hole 322 can be formed on one side of the second side support plate 32 facing the second mounting seat body 31, the third lightening blind hole 322 may be formed by recessing a partial surface of the side of the second side support plate 32 facing the second mount body 31, that is, in the thickness direction of the second side support plate 32, the third lightening blind hole 322 does not penetrate through the second side support plate 32, so that on the premise of ensuring the structural strength and rigidity of the control arm mount 3, the second lightening blind hole 321 and the third lightening blind hole 322 may lighten the weight of the control arm mount 3, thereby lightening the steering knuckle 100.

According to the knuckle 100 of the embodiment of the utility model, the first lightening blind hole 221, the second lightening blind hole 321 and the third lightening blind hole 322 are arranged, so that the knuckle 100 is lightened and the cost is reduced under the condition that the structural rigidity and the strength of the knuckle 100 are ensured.

According to a further embodiment of the present invention, as shown in fig. 3, the main body 1 is formed with a groove 12, the hub bearing seat hole 11 penetrates through a bottom wall of the groove 12, the groove 12 is adapted to mount the hub bearing seat 400, and the groove 12 and both side edges of the main body 1 in a direction perpendicular to the up-down direction are respectively spaced apart, thereby ensuring the overall rigidity and strength of the knuckle 100; the side wall of the groove 12 is provided with the reinforcing rib 121, and the reinforcing rib 121 is connected with the first mounting seat body 21, so that a reliable load transmission path is ensured between the front strut 200 and the hub bearing seat 400, and the structural strength of the knuckle 100 is further improved.

Alternatively, in the example of fig. 3, the reinforcing bar 121 may be formed in a substantially triangular structure, one side edge of the reinforcing bar 121 being connected to the bottom wall of the recess 12, and the other side edge of the reinforcing bar 121 being connected to the side wall of the recess 12 and the first mount body 21, respectively. The thickness of the reinforcing ribs 121 may be in a range of 11mm to 13mm (inclusive), and for example, the thickness of the reinforcing ribs 121 may be 11mm, 11.5mm, 12mm, or 12.5 mm.

According to some embodiments of the present invention, as shown in fig. 3, two front pillar mounting holes 211 are provided at an interval from top to bottom, and the front pillar mounting holes 211 are engaged with a coupling member, such as a bolt, to mount the front pillar 200 to the knuckle 100. The first mount base body 21 is formed with a fourth lightening blind hole 212, the fourth lightening blind hole 212 may be located on a side of the first mount base body 21 facing away from the first side support plate 22, and the fourth lightening blind hole 212 may be formed by recessing a part of a surface of the side of the first mount base body 21 facing away from the first side support plate 22, that is, in a thickness direction of the first mount base body 21, the fourth lightening blind hole 212 does not penetrate through the first mount base body 21; the fourth lightening blind hole 212 is located between the two front support mounting holes 211, the fourth lightening blind hole 212 and the two side edges of the first mounting seat body 21 in the direction perpendicular to the vertical direction are respectively arranged at intervals, the weight of the first mounting seat body 21 can be lightened due to the arrangement of the fourth lightening blind hole 212, the steering knuckle 100 is light, the two side edges of the first mounting seat body 21 corresponding to the fourth lightening blind hole 212 can be guaranteed, the first mounting seat body 21 still has reliable structural strength while the weight is lightened, and therefore the reliable connection of the front support 200 and the steering knuckle 100 is guaranteed.

According to a further embodiment of the present invention, as shown in FIG. 3, two opposite sides of the first mount base body 21 are respectively provided with edge portions 213, the two edge portions 213 are located between the two front pillar mounting holes 211, and the two edge portions 213 are located on two opposite sides of the fourth lightening blind hole 212, the thickness of the edge portion 213 is t1, and t1 is more than or equal to 6mm and less than or equal to 8 mm. Specifically, the two edge portions 213 can ensure the structural strength of the first mounting seat body 21 and ensure the reliable connection between the front pillar 200 and the knuckle 100, and the thickness t1 of the edge portion 213 satisfies that t1 is not less than 6mm and not more than 8mm, so that the structural strength of the first mounting seat body 21 is not sufficient due to the excessively small thickness of the edge portion 213, the reliable connection between the front pillar 200 and the knuckle 100 cannot be ensured, and the heavy weight of the first mounting seat body 21 due to the excessively large thickness of the edge portion 213 is also avoided, which is not beneficial to the light weight of the knuckle 100.

Alternatively, the thickness of the rim portion 213 may be 6mm, or 7mm, or 7.5mm, or 8 mm; but is not limited thereto.

According to some embodiments of the present invention, as shown in fig. 4, a first lightening groove 222 is formed on a side of the first side support plate 22 facing away from the first mounting seat body 21, the first lightening groove 222 penetrates through a side edge of the first side support plate 22, and the first lightening groove 222 is spaced from the first lightening blind hole 221, so that the weight of the first side support plate 22 is further lightened under the condition that the rigidity and strength of the structure of the first side support plate 22 are ensured, and the knuckle 100 is lightened.

The first side support plate 22 has a first support portion 223 and a second support portion 224, the first support portion 223 and the second support portion 224 are respectively located at two opposite sides of the first lightening blind hole 221, the first support portion 223 is located between the first lightening groove 222 and the first lightening blind hole 221, the second support portion 224 is located at the edge of the first side support plate 22, and then the second support portion 223 is located at one side of the first lightening blind hole 221, which is far away from the first lightening groove 222. Thus, the provision of the first support portion 223 and the second support portion 224 ensures the strength and rigidity of the knuckle 100, while ensuring the payload transmission of the front pillar 200 and the hub bearing seat 400.

The thickness of the first supporting portion 223 is t2, the thickness of the second supporting portion 224 is t3, t2 is not less than 14mm and not more than 16mm, and t3 is not less than 19mm and not more than 21 mm. Accordingly, it is possible to avoid the structural strength of the first side support plate 22 from becoming insufficient due to the excessively small thicknesses of the first support portion 223 and the second support portion 224, and it is also possible to avoid the weight of the first side support plate 22 from becoming large due to the excessively large thicknesses of the first support portion 223 and the second support portion 224, which is disadvantageous to the weight reduction of the knuckle 100. Alternatively, the thickness of the first support 223 may be 14mm, or 15mm, or 16mm, and the thickness of the second support 224 may be 19mm, or 20mm, or 21 mm.

According to some embodiments of the present invention, the third lightening blind holes 322 are spaced apart from both side edges of the second side support plate 32 in a direction perpendicular to the up-down direction, that is, the third lightening blind holes 322 do not penetrate through the both side edges of the second side support plate 32, so that the control arm mounting seat 3 has sufficient structural strength to ensure the effective load transmission between the control arm 300 and the hub bearing seat 400.

According to some embodiments of the present invention, as shown in fig. 4, a side of the second side support plate 32 facing away from the second mount body 31 is formed with a second lightening groove 323, and the second lightening groove 323 penetrates through a side edge of the second side support plate 32, thereby further lightening the weight of the second side support plate 32 while ensuring the structural strength of the second side support plate 32, and lightening the steering knuckle 100.

The second side support plate 32 is further formed with a fifth lightening blind hole 324, the fifth lightening blind hole 324 may be formed by recessing a portion of the surface of the second side support plate 32, and the fifth lightening blind hole 324 may lighten the weight of the second side support plate 32, making the steering knuckle 100 lightweight. The second lightening blind holes 321 are spaced between the second lightening groove 323 and the fifth lightening blind holes 324, and connecting plates are respectively formed between the second lightening blind holes 321 and the second lightening groove 323, and between the second lightening blind holes 321 and the fifth lightening blind holes 324, so that the second side support plate 32 can ensure sufficient structural strength while reducing weight, and therefore, the effective load transmission between the control arm 300 and the hub bearing seat 400 can be ensured.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the main body 1 is further provided with a steering rod mounting seat 13, the steering rod mounting seat 13 includes a third mounting seat body 131, a first connecting plate 132, a side reinforcing plate 133 and a first supporting plate 134, the third mounting seat body 131 is formed with a steering rod mounting hole 1311 for mounting a steering rod, the first connecting plate 132, the side reinforcing plate 133 and the first supporting plate 134 are connected between the third mounting seat body 131 and the main body 1, the first connecting plate 132 is provided at a lower end of the side reinforcing plate 133, the first connecting plate 132 can be horizontally arranged, the side reinforcing plate 133 can be vertically arranged, the first connecting plate 132 and the side reinforcing plate 133 can be connected in an L-shaped structure, an end of the first connecting plate 132 remote from the third mounting seat body 131 is spaced below an end of the first supporting plate 134 remote from the third mounting seat body 131, the third mounting seat body 131, the first connecting plate 132, the side reinforcing plate 133 and the first supporting plate 134 form a triangular stable structure, and the third mounting seat body 131 can be arranged on the main body 1 through the triangular structure, so that the steering linkage mounting seat 13 is light-weighted under the condition of ensuring structural rigidity and strength, and the steering knuckle 100 is light-weighted.

The thickness of the first connecting plate 132 is t4, the thickness of the side reinforcing plate 133 is t5, the thickness of the first supporting plate 134 is t6, t4 is more than or equal to 5mm and less than or equal to 7mm, t5 is more than or equal to 9mm and less than or equal to 11mm, and t6 is more than or equal to 7mm and less than or equal to 9 mm. Accordingly, it is possible to avoid the structural strength of the tie rod attachment seat 13 from being insufficient when the thicknesses of the first connecting plate 132, the side reinforcing plate 133, and the first support plate 134 are too small, and it is also possible to avoid the weight of the tie rod attachment seat 13 from being large when the thicknesses of the first connecting plate 132, the side reinforcing plate 133, and the first support plate 134 are too large, which is disadvantageous to the weight reduction of the knuckle 100. For example, the thickness of the first connection plate 132 may be 5mm, or 6mm, or 7mm, the thickness of the side reinforcing plate 133 may be 9mm, or 10mm, or 11mm, and the thickness of the first support plate 134 may be 7mm, or 8mm, or 9 mm.

According to some embodiments of the present invention, as shown in fig. 3 and 4, the main body 1 is further provided with two caliper mounting seats 14 spaced up and down, each caliper mounting seat 14 is formed with a caliper mounting hole 141 for mounting a caliper, and the caliper mounting holes 141 are engaged with a connector such as a bolt to mount the caliper to the knuckle 100. A second connecting plate 142 and a second supporting plate 143 are arranged between at least one brake caliper mounting seat 14 and the main body 1, the number of the second connecting plates 142 is two, the two second connecting plates 142 are respectively arranged at the upper end and the lower end of the brake caliper mounting seat 14, the second supporting plate 143 is arranged between the two second connecting plates 142 at intervals, and the second connecting plates 142 and the second supporting plate 143 ensure the reliable connection of the brake caliper mounting seat 14 and the steering knuckle 100.

It will be appreciated that one of the two caliper mounts 14 may be provided with a second connecting plate 142 and a second support plate 143 with the main body 1, for example, the lower one of the two caliper mounts 14 is provided on the main body 1 via the second connecting plate 142 and the second support plate 143; alternatively, a second connecting plate 142 and a second support plate 143 are provided between each of the two caliper mounts 14 and the main body 1.

The thickness of the second connecting plate 142 is t7, the thickness of the second supporting plate 143 is t8, the thicknesses of the second connecting plate 142 and the second supporting plate 143 are t7 which is not less than 12mm and not more than 14mm, and t8 which is not less than 9mm and not more than 11 mm. Therefore, it is possible to avoid that the caliper mount 14 cannot be reliably connected to the knuckle 100 due to the thickness of the second connecting plate 142 and the second support plate 143 being too small, and it is also possible to avoid that the caliper mount 14 has a large mass due to the thickness of the second connecting plate 142 and the second support plate 143 being too large, which is disadvantageous to the weight reduction of the knuckle 100.

According to some embodiments of the present invention, the non-critical load bearing edges of the knuckle 100 are rounded to avoid stress concentrations in the knuckle 100, for example, the edges of the second side support plate 32 may be rounded with a radius of 2 mm.

The vehicle according to the embodiment of the present invention includes the knuckle 100 as in the above embodiment.

According to the vehicle provided by the embodiment of the utility model, by adopting the steering knuckle 100 of the embodiment, the light weight design of the vehicle can be realized and the energy consumption of the vehicle can be reduced on the premise of ensuring the reliable use of the vehicle.

The knuckle 100 according to an embodiment of the present invention is described in detail below with reference to fig. 2 to 4 in a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the utility model.

In view of the urgent need of electric automobiles for light weight of parts and products, and the need of ensuring excellent performance level of the products, the inventor of the application adopts a topological optimization-based method to design the light weight of the steering knuckle. Specifically, an optimization design space is determined according to the arrangement boundary of the periphery of the steering knuckle, a topological optimization calculation model is set, 30% of mass ratio is set as model constraint, the minimum flexibility of each working condition of the steering knuckle is used as an optimization target, and topological optimization calculation is carried out; and (6) calculating convergence through 43 steps of iteration to obtain a density cloud picture and an iso-reference cloud picture of the topological unit of the steering knuckle. Therefore, the optimal design is carried out on the steering knuckle by combining the topological optimization result, the material distribution of the steering knuckle is subjected to the specific emphasis according to the unit density and other reference cloud pictures, the material of a high unit density area is reserved as far as possible, and meanwhile, the material reduction is carried out on an area with lower unit density or no unit density value, so that the lightweight design target is reached, and finally, the engineered lightweight structural design of the steering knuckle 100 in the application is measured.

As shown in fig. 2 to 4, the knuckle 100 includes a main body 1, a front pillar mount 2, and a control arm mount 3, the main body 1 having a recess 12 formed thereon, the recess 12 having a bottom wall formed with a hub bearing seat hole 11 for mounting a hub bearing seat 400.

As shown in fig. 2 to 4, the front pillar mounting base 2 is provided at the upper end of the main body 1, the front pillar mounting base 2 includes a first mounting base body 21 and a first side support plate 22, two front pillar mounting holes 211 are formed on the first mounting base body 21 for mounting the front pillars 300, the two front pillar mounting holes 211 are arranged at an interval from top to bottom, a fourth lightening blind hole 212 is further formed on a side of the first mounting base body 21 facing away from the first side support plate 22, the fourth lightening blind hole 212 is located between the two front pillar mounting holes 211, and the fourth lightening blind hole 212 and the first mounting base body 21 are respectively arranged at an interval from both side edges in a direction perpendicular to the up-down direction, so that the above-mentioned opposite side edges of the first mounting base body 21 respectively form edge portions 213, and a thickness t1 of the edge portions 213 is 7 mm; one side of the first side support plate 22, which faces away from the first mounting seat body 21, is formed with a first lightening blind hole 221 and a first lightening groove 222, the first lightening groove 222 penetrates through one side edge of the first side support plate 22, and the first lightening groove 222 and the first lightening blind hole 221 are arranged at intervals, so that the first side support plate 22 has a first supporting portion 223 and a second supporting portion 223, the first supporting portion 223 and the second supporting portion 224 are respectively located on two sides of the loudness of the first lightening blind hole 221, the first supporting portion 223 is located between the first lightening groove 222 and the first lightening blind hole 221, and the second supporting portion 223 is located at the edge of the first side support plate 22. The thickness t2 of the first support portion 223 is 15mm, and the thickness t3 of the second support portion 224 is 20 mm.

As shown in fig. 2 to 4, the control arm mount 3 is provided at a lower end of the main body 1, the control arm mount 3 includes a second mount body 31 and a second side support plate 32, a control arm mounting hole 311 is formed on the second mount body 31 for mounting the control arm 300, a second lightening blind hole 321, a third lightening blind hole 322, a second lightening groove 323, and a fifth lightening blind hole 324 are formed on the second side support plate 32, the second lightening blind hole 321, the second lightening groove 323, and the fifth lightening blind hole 324 are formed on a side of the second side support plate 32 facing away from the second mount body 31, the second lightening blind hole 321 is spaced between the second lightening groove 323 and the fifth lightening blind hole 324, the third lightening blind hole 322 is formed on a side of the second side support plate 32 facing the second mount body 31, the second lightening blind hole 321 and the third lightening blind hole 322 are staggered up and down, the third lightening blind holes 322 are spaced apart from both side edges of the second side support plate 32 in the direction perpendicular to the up-down direction.

As shown in fig. 2-6, a steering rod mounting seat 13 is further disposed on the main body 1, the steering rod mounting seat 13 includes a third mounting seat body 131, a first connecting plate 132, a side reinforcing plate 133 and a first supporting plate 134, a steering rod mounting hole 1311 is formed on the third mounting seat body 131 for mounting a steering rod, the first connecting plate 132, the side reinforcing plate 133 and the first supporting plate 134 are all connected between the third mounting seat body 131 and the main body 1, the first connecting plate 132 is disposed at a lower end of the side reinforcing plate 133, and an end of the first connecting plate 132 away from the third mounting seat body 131 is disposed below the first supporting plate 134 away from the third mounting seat body 131. The thickness t4 of the first connecting plate 132 is 6mm, the thickness t5 of the side reinforcing plate 133 is 10mm, and the thickness t6 of the first supporting plate 134 is 8 mm.

As shown in fig. 3-7, the main body 1 is further provided with two brake caliper mounting seats 14 arranged at an interval up and down, each brake caliper mounting seat 14 is provided with a brake caliper mounting hole 141 for mounting a brake caliper, a second connecting plate 142 and a second supporting plate 143 are connected between the lower brake caliper mounting seat 14 and the main body 1, the number of the second connecting plates 142 is two, the two second connecting plates 142 are respectively arranged at the upper end and the lower end of the brake caliper mounting seat 14, and the second supporting plate 143 is arranged at an interval between the two second connecting plates 142. The thickness t7 of the second connecting plate 142 is 13mm, and the thickness t8 of the second supporting plate 143 is 10 mm.

Therefore, the knuckle 100 according to the embodiment of the utility model has sufficient structural rigidity and strength, and the mass is reduced to 2.672kg, according to the comparison of CAE simulation calculation, the structural rigidity and strength of the knuckle 100 in the application are equivalent to those of a knuckle 3.143kg in the related art, in order to ensure the requirements of structural arrangement, strength, rigidity, modal and the like, the knuckle in the related art has more material left at a control arm mounting seat, and the materials are not optimized and designed respectively, so that the weight is larger, the mass of the knuckle 100 in the application is reduced by 15%, the lightweight design of the knuckle 200 is effectively realized, the cost is lower, and meanwhile, the first-order modal frequency of the knuckle 200 in the application is improved by about 7.1% compared with the knuckle in the related art.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A steering knuckle (100) characterized by comprising:

a main body (1), wherein a hub bearing seat hole (11) is formed on the main body (1);

the front strut mounting seat (2) is arranged at the upper end of the main body (1) and comprises a first mounting seat body (21) and a first side supporting plate (22), a front strut mounting hole (211) is formed in the first mounting seat body (21) and used for mounting a front strut (200), and a first lightening blind hole (221) is formed in one side, back to the first mounting seat body (21), of the first side supporting plate (22);

control arm mount pad (3), establish control arm mount pad (3) the lower extreme of main part (1), and include second mount pad body (31) and second side support board (32), be formed with control arm mounting hole (311) on second mount pad body (31) in order to be used for installing control arm (300), the thickness both sides of second side support board (32) are formed with the second respectively and alleviate blind hole (321) and third and alleviate blind hole (322), the second alleviate blind hole (321) with the third alleviates blind hole (322) and staggers the setting from top to bottom, the second alleviates blind hole (321) and forms the dorsad of second side support board (32) one side of second mount pad body (31).

2. The knuckle (100) according to claim 1, wherein the main body (1) is formed with a groove (12), the hub bearing seat hole (11) penetrates through a bottom wall of the groove (12), the groove (12) and both side edges of the main body (1) in a direction perpendicular to the up-down direction are respectively provided at an interval,

and reinforcing ribs (121) are arranged on the side walls of the grooves (12), and the reinforcing ribs (121) are connected with the first mounting seat body (21).

3. The knuckle (100) according to claim 1, wherein the front pillar mounting holes (211) are two and spaced apart from each other in the up-down direction, the first mount base body (21) is formed with a fourth lightening blind hole (212), the fourth lightening blind hole (212) is located between the two front pillar mounting holes (211), and the fourth lightening blind hole (212) is spaced apart from both side edges of the first mount base body (21) in the direction perpendicular to the up-down direction.

4. The knuckle (100) according to claim 3, wherein the first mounting seat body (21) has edge portions (213) on opposite sides thereof, the two edge portions (213) being located between the two front pillar mounting holes (211) and on opposite sides of the fourth blind lightening hole (212), the edge portions (213) having a thickness t1, 6mm ≦ t1 ≦ 8 mm.

5. The knuckle (100) according to claim 1, wherein a first lightening recess (222) is formed in a side of the first side support plate (22) facing away from the first mount body (21), the first lightening recess (222) penetrating a side edge of the first side support plate (22) and being spaced apart from the first lightening blind hole (221),

the first side support plate (22) is provided with a first support part (223) and a second support part (224), the first support part (223) and the second support part (224) are respectively located on two opposite sides of the first lightening blind hole (221), the first support part (223) is located between the first lightening groove (222) and the first lightening blind hole (221), the second support part (224) is located at the edge of the first side support plate (22), wherein the thickness of the first support part (223) is t2, the thickness of the second support part (224) is t3, t2 is not less than 14mm and not more than 16mm, and t3 is not less than 19mm and not more than 21 mm.

6. The knuckle (100) according to claim 1, wherein the third lightening blind hole (322) is provided at a distance from both side edges of the second side support plate (32) in a direction perpendicular to the up-down direction, respectively.

7. The knuckle (100) according to claim 1, wherein a side of said second side support plate (32) facing away from said second mount body (31) is formed with a second lightening groove (323), said second lightening groove (323) penetrating a side edge of said second side support plate (32),

wherein a fifth lightening blind hole (324) is further formed on the second side support plate (32), and the second lightening blind hole (321) is arranged between the second lightening groove (323) and the fifth lightening blind hole (324) at intervals.

8. The knuckle (100) according to any one of claims 1 to 7, wherein a tie rod mounting seat (13) is further provided on the main body (1), the tie rod mounting seat (13) comprises a third mounting seat body (131), a first connecting plate (132), a side reinforcing plate (133) and a first supporting plate (134), a tie rod mounting hole (1311) is formed on the third mounting seat body (131) for mounting a tie rod, the first connecting plate (132), the side reinforcing plate (133) and the first supporting plate (134) are all connected between the third mounting seat body (131) and the main body (1), the first connecting plate (132) is provided at a lower end of the side reinforcing plate (133), and an end of the first connecting plate (132) away from the third mounting seat body (131) is provided at a distance below an end of the first supporting plate (134) away from the third mounting seat body (131) ,

the thickness of the first connecting plate (132) is t4, the thickness of the side reinforcing plate (133) is t5, the thickness of the first supporting plate (134) is t6, t4 is more than or equal to 5mm and less than or equal to 7mm, t5 is more than or equal to 9mm and less than or equal to 11mm, and t6 is more than or equal to 7mm and less than or equal to 9 mm.

9. The steering knuckle (100) according to any one of claims 1-7, wherein two vertically spaced caliper mounting seats (14) are further provided on the main body (1), each caliper mounting seat (14) is formed with a caliper mounting hole (141) for mounting a caliper, a second connecting plate (142) and a second support plate (143) are provided between at least one caliper mounting seat (14) and the main body (1), the second connecting plates (142) are provided at upper and lower ends of the caliper mounting seats (14), respectively, and the second support plate (143) is spaced between the two second connecting plates (142),

the thickness of the second connecting plate (142) is t7, the thickness of the second supporting plate (143) is t8, t7 is more than or equal to 12mm and less than or equal to 14mm, and t8 is more than or equal to 9mm and less than or equal to 11 mm.

10. A vehicle, characterized by comprising a steering knuckle (100) according to any one of claims 1-9.

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