CN218949338U

CN218949338U - Diffuser body, active diffuser and vehicle

Info

Publication number: CN218949338U
Application number: CN202223206967.4U
Authority: CN
Inventors: 魏群雄; 郑明敏; 李健新; 黄嘉伟; 王梦
Original assignee: Wuhan Lotus Cars Co Ltd
Current assignee: Wuhan Lotus Cars Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-02
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a diffuser body, an active diffuser and a vehicle, and belongs to the technical field of vehicle diffuser structures. The diffuser body includes: the diffuser comprises a plate-shaped main body part, wherein a plurality of first clamping interfaces are arranged on the main body part and used for clamping a diffuser mounting bracket, a plurality of matching parts are further arranged on the periphery of the main body part, and the matching parts are fixedly connected with the diffuser mounting bracket through first fasteners so as to be mounted on a vehicle body through the diffuser mounting bracket. The utility model also provides an active diffuser comprising the diffuser body. The diffuser body can facilitate the subsequent disassembly and maintenance of the active diffuser.

Description

Diffuser body, active diffuser and vehicle

Technical Field

The utility model relates to the technical field of vehicle diffuser structures, in particular to a diffuser body, an active diffuser and a vehicle.

Background

The diffuser is one of the aerodynamic kits of a vehicle, and is usually arranged at the bottom of the rear of the vehicle, so that the airflow can quickly pass through the chassis, and the downward pressure is increased when the vehicle runs at a high speed.

The diffuser is typically secured to the vehicle body at a predetermined location, such as at the rear bumper of the vehicle by fasteners. However, this type of fastening often damages the structure of the vehicle body, resulting in damage to the exterior surface of the vehicle body and affecting the integrity of the exterior. In order to solve this problem, the diffuser may be fixed to the vehicle body nondestructively by bonding or the like, but this may cause problems of inconvenience in disassembly and maintenance of the diffuser.

Disclosure of Invention

It is an object of a first aspect of the present utility model to provide a diffuser body that facilitates subsequent disassembly and maintenance of an active diffuser.

Another object of the present utility model is to enable easy installation of a drive motor.

It is a further object of the present utility model to provide a drive shaft support that is inexpensive, has a small number of mounting components, and is simple to assemble.

It is an object of a second aspect of the present utility model to provide an active diffuser comprising a diffuser body as described above.

An object of a third aspect of the present utility model is to provide a vehicle comprising an active diffuser as described above.

In particular, the present utility model provides a diffuser body comprising:

the diffuser comprises a plate-shaped main body part, wherein a plurality of first clamping interfaces are arranged on the main body part and used for clamping a diffuser mounting bracket, a plurality of matching parts are further arranged on the periphery of the main body part, and the matching parts are fixedly connected with the diffuser mounting bracket through first fasteners so as to be mounted on a vehicle body through the diffuser mounting bracket.

Optionally, the diffuser body is mounted on a side of the rear bumper close to the vehicle interior through the diffuser mounting bracket, and the diffuser mounting bracket is located between the diffuser body and the rear bumper.

Optionally, the diffuser body further comprises:

the motor installation department, set up in the main part is kept away from one side of diffuser installing support, the motor installation department includes the joint groove for the pre-string buckle of joint initiative diffuser's driving motor.

Optionally, the motor mounting part further comprises a mounting boss, and a second mounting hole is formed in the mounting boss and used for penetrating through a second fastener connected with the driving motor.

Optionally, the diffuser body further comprises:

at least two drive shaft support bosses, each of which is raised from one side of the main body part away from the diffuser mounting bracket, are provided with a recessed first semi-cylindrical recess at the top surface of each drive shaft support boss for commonly supporting the drive shaft of the drive device.

Optionally, a concave first annular groove is arranged in the first semi-cylindrical concave part and is matched with an annular convex strip protruding in the radial direction on the driving shaft, so as to limit the axial movement of the driving shaft.

Optionally, the diffuser body further comprises:

the at least one limiting boss protrudes from one side, away from the diffuser mounting bracket, of the main body part, and the limiting boss is provided with a first limiting surface and a second limiting surface which are arranged at a preset angle and are respectively used for stopping a transmission part of the driving device at a first angle and a second angle.

Optionally, the main body part is further provided with a plurality of clamping parts for clamping the active diffuser beautifying board on one side of the diffuser body facing the outside of the vehicle.

Optionally, the clamping portion includes a second clamping interface and is located the standing wall of second clamping interface department, the second clamping interface is used for passing the location buckle of initiative diffuser beautifying board, standing wall department is equipped with towards the bellied joint piece of buckle hole of location buckle is used for stretching into in the buckle hole.

In particular, the utility model also provides an active diffuser comprising a diffuser body according to any one of the preceding claims.

In particular, the utility model also provides a vehicle comprising the active diffuser.

According to one embodiment of the utility model, a diffuser body is provided, a main body portion of the diffuser body is provided with a plurality of first clamping ports which can be clamped with a diffuser mounting bracket to complete positioning between the diffuser body and the diffuser mounting bracket, and then the diffuser body is fixedly connected with the diffuser mounting bracket by arranging first fasteners at matching portions of the main body portion. Therefore, the detachable connection between the active diffuser and the diffuser mounting bracket is realized, the subsequent disassembly and maintenance of the active diffuser can be facilitated, the diffuser mounting bracket and the vehicle body bracket can be connected in a certain one-time fixed connection mode, and conditions are provided for keeping the appearance surface of the vehicle body intact without being damaged.

According to one embodiment of the present utility model, by being detachably mounted at the diffuser mounting bracket, the diffuser mounting bracket is mounted at a side of the rear bumper close to the inside of the vehicle, so that the quality of the outer surface of the rear bumper can be ensured while ensuring smooth mounting and dismounting of the active diffuser.

According to one embodiment of the utility model, the diffuser body comprises a motor mounting part provided with a clamping groove, and the clamping groove is used for being clamped with a pre-hanging buckle of the driving motor, so that the driving motor can be pre-hung at the diffuser body, a supporting point is arranged in the process of fixedly mounting the subsequent driving motor, and the driving motor can be conveniently mounted.

According to the embodiment of the utility model, the first annular groove is arranged in the first semi-cylindrical concave part of the driving shaft supporting boss and is matched with the convex annular convex strip on the driving shaft, so that the function of limiting the axial freedom degree of the driving shaft can be achieved, smooth transmission of motion is realized, and compared with a bearing seat, the bearing seat is low in cost, few in number of installation parts and simple to assemble.

According to one embodiment of the utility model, the limiting boss is arranged at the diffuser body and provided with the first limiting surface and the second limiting surface, so that the transmission part of the driving device can be blocked when the transmission part rotates to the first angle and the second angle, and finally, the effect of limiting the rotation angle of the spoiler is achieved.

According to one embodiment of the utility model, by arranging the clamping part for clamping the beautifying plate at the diffuser body, the beautifying plate can be fixed on the side of the active diffuser facing the outside of the vehicle, so that the beautifying plate of the active diffuser is seen from the outside of the vehicle after the spoiler is opened, and the diffuser body with a plurality of mounting characteristics is not used, thereby improving the appearance aesthetic property of the vehicle and ensuring the aerodynamic performance of the vehicle.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic structural view of a diffuser body according to one embodiment of the present utility model;

FIG. 2 is a schematic illustration of an assembly configuration of an active diffuser and diffuser mounting bracket according to one embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an active diffuser in an open state according to one embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a partial enlarged view at B in FIG. 3;

FIG. 6 is a partial cross-sectional view of a junction of a diffuser body and a drive shaft according to one embodiment of the present utility model;

FIG. 7 is a partial cross-sectional view of a diffuser body and a transmission member in a first position according to one embodiment of the present utility model;

FIG. 8 is a partial cross-sectional view of a diffuser body and a transmission member in a second position according to one embodiment of the present utility model;

FIG. 9 is a partial cross-sectional view of a junction of a diffuser body and a aesthetic panel according to one embodiment of the present utility model.

Reference numerals illustrate:

100-diffuser body, 10-main part, 11-first interface, 12-mating part, 121-first mounting hole, 101-first fastener, 13-clamping part, 131-second interface, 132-vertical wall, 133-clamping block, 20-motor mounting part, 21-clamping groove, 231-pre-hanging buckle, 22-mounting boss, 221-second mounting hole, 102-second fastener, 30-drive shaft support boss, 31-first semi-cylindrical recess, 311-first annular groove, 40-spacing boss, 41-first spacing face, 42-second spacing face;

210-diffuser mounting bracket, 211-clamping piece, 220-spoiler, 230-driving motor, 240-driving shaft, 241-annular convex strip, 250-transmission part, 260-cover plate, 261-second annular groove, 270-active diffuser beautifying plate, 271-positioning buckle and 272-buckle hole.

Detailed Description

Fig. 1 is a schematic structural view of a diffuser body 100 according to one embodiment of the present utility model. Fig. 2 is a schematic diagram of an assembly structure of an active diffuser and diffuser mounting bracket 210 according to one embodiment of the present utility model. Fig. 3 is a cross-sectional view of an active diffuser in an open state according to one embodiment of the present utility model. In one embodiment, as shown in fig. 1, the diffuser body 100 includes a plate-shaped main body 10, where the main body 10 is provided with a plurality of first clamping ports 11 for clamping the diffuser mounting bracket 210, and as shown in fig. 2, the diffuser mounting bracket 210 is provided with clamping pieces 211 for clamping with the first clamping ports 11. The body 10 is also provided at its periphery with a plurality of mating parts 12, the mating parts 12 being fixedly connected with the diffuser mounting bracket 210 by the first fasteners 101 so as to be mounted at the vehicle body by the diffuser mounting bracket 210. The matching portion 12 may be in a boss shape, and a first mounting hole 121 is provided at the matching portion 12 for penetrating the first fastener 101, and a lower surface of the matching portion 12 may be provided in a plane so as to be fitted to a corresponding portion of the diffuser mounting bracket 210 and to facilitate mounting of the first fastener 101. As shown in fig. 3, the diffuser body 100 in the present embodiment is a fixed part of an active diffuser of a vehicle, and the active diffuser further includes a spoiler 220 rotatable with respect to the diffuser body 100, and the spoiler 220 can be opened to raise a pressing force when the vehicle is traveling at a high speed. The spoiler 220 may be driven to rotate by a driving device, which may include a driving motor 230, a driving shaft, and a transmission member 250 sequentially connected, where the transmission member 250 may be a component such as a connecting rod.

The main body 10 of the diffuser body 100 of the present embodiment is provided with a plurality of first clamping ports 11, which can be clamped with the diffuser mounting bracket 210 to complete positioning between the diffuser body 100 and the diffuser mounting bracket 210, and then the first fasteners 101 are fixedly connected with the diffuser mounting bracket 210 at the matching portion 12 of the main body 10. Thus, the detachable connection between the active diffuser and the diffuser mounting bracket 210 is realized, the subsequent disassembly and maintenance of the active diffuser can be facilitated, the diffuser mounting bracket 210 and the vehicle body bracket can be connected in a manner of one-time fixed connection, and conditions are provided for keeping the appearance surface of the vehicle body intact without damage, for example, the connection manner of bonding or welding is adopted, and the manners of forming holes and mounting bolts and the like are not needed at the vehicle body.

In one embodiment, the diffuser body 100 is mounted to the side of the rear bumper adjacent to the vehicle interior by a diffuser mounting bracket 210, the diffuser mounting bracket 210 being located between the diffuser body 100 and the rear bumper.

The present embodiment is detachably installed at the diffuser installation bracket 210, and the diffuser installation bracket 210 is installed at one side of the rear bumper close to the interior of the vehicle, so that the quality of the appearance surface of the rear bumper can be ensured while the smooth installation and detachment of the active diffuser can be ensured.

Fig. 4 is a partial enlarged view at a in fig. 3. In one embodiment, as shown in fig. 1, referring also to fig. 4, the diffuser body 100 further includes a motor mounting portion 20 disposed on a side of the main body 10 away from the diffuser mounting bracket 210, where the motor mounting portion 20 includes a clamping slot 21 for clamping a pre-hanging buckle 231 of a driving motor 230 of the active diffuser. As shown in fig. 4, the pre-hanging buckle 231 includes a cylindrical portion and a clamping arm extending from the cylindrical portion, the clamping arm extending into the clamping groove 21, the cylindrical portion can prevent damage to the motor mounting portion 20 during clamping rotation.

The diffuser body 100 of this embodiment includes the motor installation department 20 that is equipped with the joint groove 21, and the joint groove 21 is used for with the pre-hanging buckle 231 joint of driving motor 230 for driving motor 230 can hang in advance in diffuser body 100 department, has a supporting point when making the fixed mounting of follow-up driving motor 230, can make things convenient for driving motor 230's installation.

Fig. 5 is a partial enlarged view at B in fig. 3. As shown in fig. 5, referring also to fig. 1, in one embodiment, the motor mounting portion 20 further includes a mounting boss 22, and a second mounting hole 221 is provided at the mounting boss 22 for passing through the second fastener 102 connected to the driving motor 230.

In this embodiment, the mounting boss 22 with the mounting hole is provided at the motor mounting portion 20, the mounting boss 22 is used for placing the driving motor 230, and the mounting hole is used for penetrating the second fastener 102 for connecting the driving motor 230 and the diffuser body 100, so as to realize the fixed connection of the two.

That is, after the pre-hanging buckle 231 of the driving motor 230 is pre-hung to the clamping groove 21 of the motor mounting part 20, the driving motor 230 is placed to be in a state of being attached to the mounting boss 22, and then the second fastening member 102 is passed through the mounting holes at the driving motor 230 and the mounting boss 22, so that the mounting of the driving motor 230 at the diffuser body 100 is completed.

Fig. 6 is a partial cross-sectional view of the junction of the diffuser body 100 and the drive shaft 240 according to one embodiment of the present utility model. As shown in fig. 1, in one embodiment, the diffuser body 100 further includes at least two drive shaft support bosses 30, each drive shaft support boss 30 protruding from a side of the main body 10 remote from the diffuser mounting bracket 210. A concave first semi-cylindrical recess 31 is provided at the top surface of each drive shaft support boss 30 for commonly supporting a drive shaft 240 of a drive device including the drive motor 230 and the drive shaft 240 described above. Of course, as shown in fig. 6, a cover plate 260 may be further provided above the driving shaft 240, and a concave second semi-cylindrical recess is provided at the cover plate 260 for forming a rotation space of the driving shaft 240 together with the first semi-cylindrical recess 31.

In a further embodiment, as shown in fig. 6, a concave first annular groove 311 is provided in the first semi-cylindrical recess 31, and cooperates with a radially protruding annular bead 241 on the drive shaft 240 to limit axial movement of the drive shaft 240. Of course, the second semi-cylindrical concave portion of the cover plate 260 is provided with a second annular groove 261 for accommodating the annular protruding strip 241, and the axial dimension of the second annular groove 261 along the driving shaft 240 can be larger than the axial dimension of the annular protruding strip along the driving shaft 240, so that the function of yielding is mainly achieved, and the assembly difficulty is reduced.

In this embodiment, by providing the first annular groove 311 in the first semi-cylindrical recess 31 of the supporting boss 30 of the driving shaft, and matching with the raised annular convex strip 241 on the driving shaft 240, the axial freedom degree of the driving shaft 240 can be limited, smooth transmission of motion can be realized, and compared with the mode of adopting a bearing seat, the cost is lower, the number of installation parts is less, and the assembly is simple.

Fig. 7 is a partial cross-sectional view of the diffuser body 100 and the transmission 250 in a first position according to one embodiment of the present utility model. Fig. 8 is a partial cross-sectional view of the diffuser body 100 and the transmission 250 in a second position according to one embodiment of the present utility model. As shown in fig. 1, in one embodiment, the diffuser body 100 further includes at least one limiting boss 40 protruding from a side of the main body 10 remote from the diffuser mounting bracket 210. As shown in fig. 7 and 8, the limiting boss 40 has a first limiting surface 41 and a second limiting surface 42 disposed at a predetermined angle, for stopping the transmission part 250 of the driving device at the first angle and the second angle, respectively.

In this embodiment, by disposing the limiting boss 40 at the diffuser body 100, the limiting boss 40 has the first limiting surface 41 and the second limiting surface 42, and can block the transmission member 250 when the transmission member 250 of the driving device rotates to the first angle and the second angle, so as to finally limit the rotation angle of the spoiler 220.

Fig. 9 is a partial cross-sectional view of the junction of the diffuser body 100 and the aesthetic panel according to one embodiment of the present utility model. In one embodiment, the main body 10 is further provided with a plurality of clamping parts 13 for clamping the active diffuser beautifying plate 270 to the side of the diffuser body 100 facing the vehicle exterior. As shown in fig. 9, in one embodiment, the clamping portion 13 includes a second clamping interface 131 and a standing wall 132 located at the second clamping interface 131, where the second clamping interface 131 is used to pass through a positioning buckle 271 of the active diffuser beautifying plate 270, and a clamping block 133 protruding toward a buckle hole 272 of the positioning buckle 271 is disposed at the standing wall 132 and is used to extend into the buckle hole 272. The side of the active diffuser aesthetic plate 270 remote from the diffuser body 100 is a generally smooth surface for masking an uneven active diffuser body having a plurality of openings.

The present embodiment can fix the beautifying plate to the side of the active diffuser facing the outside of the vehicle by providing the clamping portion 13 for clamping the beautifying plate at the diffuser body 100, so that the active diffuser beautifying plate 270 is seen from the outside of the vehicle after the spoiler 220 is opened, instead of the diffuser body 100 having many mounting features, thereby improving the external appearance of the vehicle and ensuring the aerodynamic performance of the vehicle.

In a further embodiment, as shown in fig. 9, one side of the locking hole 272 in the locking direction is configured as a slope for smooth locking of the locking block 133.

The present utility model also provides an active diffuser comprising the diffuser body 100 of any one of the embodiments described above.

The utility model also provides a vehicle comprising the active diffuser in any of the embodiments.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims

1. A diffuser body, comprising:

2. The diffuser body according to claim 1, wherein,

the diffuser body is mounted on one side, close to the interior of the vehicle, of the rear bumper through the diffuser mounting bracket, and the diffuser mounting bracket is located between the diffuser body and the rear bumper.

3. The diffuser body according to claim 1, further comprising:

4. A diffuser body according to claim 3 wherein,

the motor mounting part further comprises a mounting boss, and a second mounting hole is formed in the mounting boss and used for penetrating through a second fastener connected with the driving motor.

5. The diffuser body according to claim 4, further comprising:

6. The diffuser body according to claim 5, wherein,

the first semi-cylindrical concave part is internally provided with a concave first annular groove which is matched with an annular convex strip protruding along the radial direction on the driving shaft and used for limiting the axial movement of the driving shaft.

7. The diffuser body according to claim 6, further comprising:

8. The diffuser body according to claim 6, wherein,

the main body part is also provided with a plurality of clamping parts which are used for clamping the beautifying plate of the active diffuser on one side of the diffuser body facing the outside of the vehicle.

9. The diffuser body according to claim 8, wherein,

the clamping part comprises a second clamping interface and a vertical wall positioned at the second clamping interface, the second clamping interface is used for penetrating through a positioning buckle of the active diffuser beautifying plate, and a clamping block protruding towards a buckle hole of the positioning buckle is arranged at the vertical wall and used for extending into the buckle hole.

10. An active diffuser comprising the diffuser body of any one of claims 1-9.

11. A vehicle comprising the active diffuser of claim 10.