CN212605472U

CN212605472U - Well passageway assembly, front floor assembly and car

Info

Publication number: CN212605472U
Application number: CN202021435459.1U
Authority: CN
Inventors: 郑中心; 邓荣添; 吴纯福; 耿富荣
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-26
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a well passageway assembly, include by well passageway body, vertical reinforcement, transverse connection support, CCB support and the transmission shaft support that preceding bounding wall stiffening beam extends to back seat crossbeam department, on vertical reinforcement, transverse connection support, CCB support and transmission shaft support all were fixed in well passageway body through spot welding, well passageway body overlap joint in the front on sub vehicle frame rear mounting panel, well passageway body was made by the processing of hot forming steel sheet. The utility model provides a well passageway body in well passageway assembly is made by the processing of thermoforming steel sheet, can be under the prerequisite of guaranteeing holistic rigidity and mode, and the weight of passageway assembly in the reduction satisfies well passageway assembly lightweight requirement, and this well passageway body overlap joint is on preceding sub vehicle frame rear mounting panel, and the transmission around the energy when being favorable to just bumping improves the transmission route when colliding, improves the crashworthiness of whole well passageway assembly. The utility model also provides a front floor assembly and car.

Description

Well passageway assembly, front floor assembly and car

Technical Field

The utility model belongs to the technical field of the auto body technique and specifically relates to a well passageway assembly, preceding floor assembly and car are related to.

Background

In the automobile body structure, because parts such as a transmission shaft, an exhaust pipe and the like need to be arranged at the bottom of an automobile body, a middle channel assembly is arranged in the middle of an automobile floor for avoiding. The middle channel assembly is an important component of the vehicle body, is one of longitudinal bearing structures of a vehicle body framework and transfers energy from front to back. The middle channel assembly is required to meet the requirement of the rigidity mode of the front floor and provide mounting points for related parts such as a sub-dashboard, a CCB and the like.

With the increasing comfort of automobiles and increasingly severe crash regulations, the structure of the center tunnel is also continuously developed. In the traditional middle channel structure, if the section height of the whole structure is too high, the corresponding rigidity and mode are good, but the comfort requirement of passengers in the rear row cannot be met; if the height of the section of the whole structure is too low, the comfort of passengers in the rear row is greatly improved, but the mode and the rigidity of the middle channel structure are weak, the longitudinal force conduction before and after collision is not smooth, and the requirement of new collision cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the too high travelling comfort that leads to the back row passenger of passageway assembly overall structure in the current car and hang down, overall structure too low then can't satisfy the demand of vehicle mode and rigidity and lead to vertically passing the not smooth shortcoming of power, provide a well passageway assembly.

The utility model provides a technical scheme that its technical problem adopted is: a center channel assembly comprises a center channel body extending from a front coaming reinforcing beam to a rear seat cross beam, a longitudinal reinforcing piece arranged on the center channel body, a transverse connecting support arranged on the center channel body and used for being connected with the front seat rear cross beam, a CCB support arranged on the center channel body and used for being connected with an instrument board framework, and a transmission shaft support arranged on the center channel body and used for bearing a transmission shaft, wherein the longitudinal reinforcing piece, the transverse connecting support, the CCB support and the transmission shaft support are fixed on the center channel body through spot welding, the center channel body is lapped on a front auxiliary frame rear mounting plate, and the center channel body is processed and manufactured by a hot-formed steel plate; the middle channel body comprises a flat plate extending from the front coaming reinforcing beam to the rear seat cross beam and two side plates respectively arranged on the side surfaces of the flat plate, flanges are arranged at the bottoms of the two side plates, and a plurality of reinforcing ribs are arranged on the flat plate.

Further, the thickness of the hot formed steel plate is 1.0mm-1.2 mm.

Further, the cross-sectional height of the center tunnel body is gradually reduced from one end of the dash reinforcement beam toward one end of the rear seat cross member.

Further, the longitudinal reinforcement is fixed on the turned edges, the longitudinal reinforcement comprises a pair of hot forming steel bars which are respectively arranged on the bottom surfaces of the two turned edges, and the hot forming steel bars extend to the rear seat cross beam from the rear mounting plate of the front auxiliary frame.

Further, the transverse connecting bracket is fixed on the flat plate of the middle channel body.

Further, the CCB bracket comprises a pair of mounting brackets arranged on two sides of the flat plate of the middle channel body; the mounting bracket comprises a first connecting plate fixedly connected with the flat plate and a second connecting plate fixedly connected with the side plate, and a mounting hole for fixing the instrument panel framework is formed in the first connecting plate. Further, the transmission shaft bracket comprises a front bracket and a rear bracket which are fixed on the bottom surface of the flat plate; the front support and the rear support are both provided with grooves for the transmission shaft to penetrate through, and connecting holes for fixing the transmission shaft are arranged on two sides of the groove of the rear support.

The utility model provides a well passageway assembly's beneficial effect lies in: the middle channel body in the middle channel assembly is processed and manufactured by the hot forming steel plate, the weight of the middle channel assembly can be reduced on the premise of ensuring the integral rigidity and mode of the middle channel assembly, and the requirement of light weight of the middle channel assembly is met.

The utility model also provides a preceding floor assembly, including foretell well passageway assembly, set up in the front seat front beam, front seat rear frame member and the preceding floor longeron of well passageway assembly both sides, the front end of preceding floor longeron pass through the reinforcement with well passageway assembly is connected.

Furthermore, the end of the front seat front cross beam and the end of the front seat rear cross beam are fixed on the side plate of the middle channel body through spot welding, and two ends of a transverse connecting bracket in the middle channel assembly are respectively fixed at the connecting position of the front seat rear cross beam and the side plate.

The utility model provides a beneficial effect of preceding floor assembly lies in, adopt foretell well passageway assembly, can be on the basis of the whole weight of passageway assembly in reducing, the connection performance of other parts in passageway assembly and the preceding floor assembly in improving, the rigidity and the mode of floor assembly before guaranteeing, wherein the reinforcement has been add with the front end of preceding floor longeron to passageway assembly in this, the connection route between preceding floor longeron and the well passageway assembly has been increased, the transmission around the energy when being favorable to just bumping, improve collision transmission route, the collision performance is improved.

The utility model also provides an automobile, including foretell front floor assembly.

The utility model provides a beneficial effect of car lies in: the front floor assembly comprises the middle channel assembly structure, the overall weight of the middle channel assembly can be reduced as much as possible on the premise of ensuring the overall mode and rigidity of the middle channel assembly, the overall weight is reduced by about 20%, meanwhile, the structural design of the middle channel assembly with high front and low rear also increases the riding space of rear passengers as much as possible, improves the comfort of the rear passengers, and realizes the light weight of an automobile and the improvement of the comfort of passengers.

Drawings

Fig. 1 is a schematic perspective view of a middle passageway assembly disposed on a front floor assembly according to the present invention;

fig. 2 is a bottom view of a center tunnel assembly disposed on a front floor assembly according to the present invention;

fig. 3 is a schematic perspective view of a first view angle of a center tunnel assembly provided in the present invention;

fig. 4 is a schematic perspective view of a second viewing angle of a center tunnel assembly provided by the present invention;

fig. 5 is a schematic perspective view of a mounting bracket in a center tunnel assembly according to the present invention.

In the figure: 100-center channel assembly, 10-center channel body, 11-flat plate, 12-side plate, 13-flanging, 14-reinforcing rib, 20-longitudinal reinforcing member, 21-hot forming steel bar, 30-CCB bracket, 31-mounting bracket, 311-first connecting plate, 312-second connecting plate, 313-mounting hole, 40-transmission shaft bracket, 41-front bracket, 42-rear bracket, 43-groove, 44-connecting hole, 50-transverse connecting bracket, 60-reinforcing member, 200-front panel reinforcing beam, 300-rear seat beam, 400-front sub-frame rear mounting plate, 500-front floor assembly, 510-front seat front beam, 520-front seat rear beam and 530-front floor beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-5, in order to provide a center tunnel assembly 100 of the present invention, the center tunnel assembly 100 is disposed above a front floor of a vehicle body structure, and protrudes upward to form a space capable of accommodating components such as a transmission shaft and an exhaust pipe. The center tunnel assembly 100 includes a center tunnel body 10 extending from the dash reinforcement beam 200 to the rear seat cross member 300. Specifically, as shown in fig. 3, the center tunnel body 10 includes a flat plate 11 extending from the front wall reinforcement beam 200 to the rear seat cross beam 300, and two side plates 12 respectively disposed at the sides of the flat plate 11, wherein flanges 13 are disposed at the bottoms of the two side plates 12, and a plurality of reinforcing ribs 14 are disposed on the flat plate 11. The flat plate 11 and the side plate 12 of the center tunnel body 10 enclose a space that is raised upward from the front floor and extends from the front wall reinforcement beam 200 to the rear seat cross member 300 for accommodating a transmission shaft and an exhaust pipe. And the bottom of the side plate 12 is provided with a flange 13, and the middle channel body 10 and the front floor assembly are relatively fixedly connected through the flange 13. The flat plate 11 is provided with a plurality of reinforcing ribs 14 with different structures, which are used for improving the rigidity and the mode of the whole middle channel body 10, so that the flat plate can meet the design requirements.

Specifically, the center tunnel body 10 provided in the center tunnel assembly 100 is machined from a hot-formed steel plate. The middle channel body 10 can be made of a hot-formed steel plate with the yield of 1000-2000 Mpa. In this example, a hot-formed steel sheet of 1500MPa was used. In order to meet the requirement of lightweight the whole middle channel body 10, the hot-formed steel plate can be a plate with a thickness of 1.0mm-1.2 mm. In the present example, the thickness of the hot formed steel sheet was 1 mm. The middle channel body 10 is manufactured by adopting a 1500Mpa hot forming steel plate, so that the integral rigidity and the strength of the mode of the structure of the middle channel assembly 100 can be ensured to meet the design requirement, the integral weight of the middle channel assembly 100 can be reduced, the integral weight is reduced by about 20%, and the requirement of light weight can be met.

Further, as shown in fig. 3, in the center tunnel assembly 100 provided by the present invention, the cross-sectional height of the center tunnel body 10 is gradually reduced from the end of the front wall reinforcement beam 200 to the end of the rear seat cross beam 300. The whole center tunnel body 10 is of a structural design with a high front and a low rear, the front end of the center tunnel body 10 is higher in section height close to the side of the dash panel reinforcement beam 200, and the section height of the center tunnel body is 200mm in order to be capable of being lapped with the dash panel reinforcement beam 200. The height of the section of the rear end of the middle channel body 10 close to the side of the rear seat cross beam 300 is gradually reduced to 50mm, so that more space can be obtained for the leg space of the rear row of passengers, and the driving comfort of the passengers in the rear row can be improved.

Further, as shown in fig. 1, in the center tunnel assembly 100 provided by the present invention, the center tunnel body 10 is lapped on the front sub-frame rear mounting plate 400. When the vehicle body has a frontal collision, the collision force transmitted from the cabin side member to the front sub-frame rear mounting plate 400 can be transmitted to the center tunnel body 10 through the front sub-frame rear mounting plate 400, so that the transmission path during the frontal collision is improved, and the collision performance of the entire center tunnel assembly 100 is improved.

Further, the center channel assembly 100 further includes a longitudinal reinforcing member 20 disposed at the bottom of the center channel body 10, and the longitudinal reinforcing member 20 is fixed to the bottom of the center channel body 10 by spot welding. The longitudinal reinforcement member 20 is disposed on the bottom surface of the center tunnel body 10, and particularly, the bottom of the flange 13 fixed to the center tunnel body 10, not only plays a role of reinforcing the connecting structure of the center tunnel body 10 and the front floor assembly, but also can be used to improve the transmission path when the center tunnel assembly 100 collides.

Specifically, as shown in fig. 4, the longitudinal reinforcement 20 includes a pair of thermoformed steel bars 21 respectively provided on the bottom surfaces of the two flanges 13, and the thermoformed steel bars 21 extend from the front sub frame rear mounting plate 400 to the rear seat cross member 300. The present invention provides a center channel assembly 100 in which two longitudinally extending force transmission paths are formed on both sides of the channel body 10. The longitudinal reinforcement member 20 serves to reinforce the force transmission path, so that the collision force can be better transmitted and dispersed in the longitudinal direction, thereby improving the collision performance of the vehicle as a whole.

Further, as shown in fig. 1, the utility model provides a well passageway assembly 100 still includes the transverse connection support 50 who sets up on well passageway body 10, and this transverse connection support 50 sets up on the flat board 11 of well passageway body 10 for connect two front seat rear cross beams 520 that are located well passageway assembly 100 both sides. The cross connecting bracket 50 is disposed on a slope of the flat plate 12 with a reduced height, and is used for enhancing the rigidity of the slope and the local mode on the slope, and also can provide a new mounting point for other automobile components.

Further, as shown in fig. 3, the utility model provides a well passageway assembly 100 is still including setting up the CCB support 30 that is arranged in being connected with the instrument panel skeleton on well passageway body 10, and this CCB support 30 is fixed in the top of this well passageway body 10 through the mode of spot welding, is located between this well passageway body 10 and the instrument panel skeleton, plays the effect of connecting this well passageway body 10 and instrument panel skeleton. Specifically, the CCB bracket 30 includes a pair of mounting brackets 31 provided on both sides of the flat plate 11 of the center tunnel body 10. The pair of mounting brackets 31 are respectively disposed between the flat plate 11 and the side plate 12 of the center tunnel body 10, and not only serve to reinforce the strength of the center tunnel body 10, but also provide a mounting fixing position for the center tunnel body 10 to be fixed to the instrument panel.

Specifically, as shown in fig. 5, the mounting bracket 31 includes a first connecting plate 311 fixedly connected to the flat plate 11 and a second connecting plate 312 fixedly connected to the side plate 12, and a mounting hole 313 for fixing the instrument panel framework is provided in the first connecting plate 311. The first connecting plate 311 and the second connecting plate 312 are integrally formed, and the first connecting plate 311 is fixed on the flat plate 11 of the middle channel body 10, and the second connecting plate 312 is fixed on the side plate 12 of the middle channel body 10.

Further, as shown in fig. 4, the present invention provides a center channel assembly 100, which further includes a transmission shaft bracket 40 disposed on the center channel body 10 for bearing a transmission shaft, wherein the transmission shaft bracket 40 is fixed to the bottom of the center channel body 10 by spot welding. Specifically, the propeller shaft bracket 40 includes a front bracket 41 and a rear bracket 42 fixed to the bottom surface of the flat plate 11. The front and

rear supporters

41 and 42 are provided on the bottom surface of the flat plate 11 of the center tunnel body 10 at slopes where the sectional height of the flat plate 11 is gradually reduced. The propeller shaft bracket 40 not only serves to enhance the overall rigidity of the center tunnel body 10, but also provides a support point for the propeller shaft at the middle section of the center tunnel body 10. The front bracket 41 and the rear bracket 42 are both provided with a groove 43 for the transmission shaft to pass through, and the groove 43 is arranged for avoiding the transmission shaft. Meanwhile, coupling holes 44 for fixing the transmission shaft are provided at both sides of the groove 43 of the rear bracket 42. The drive shaft may be secured to the drive shaft bracket 40 by fasteners.

The utility model provides a well passageway assembly 100 in vertical reinforcement 20, transverse connection support 50, CCB support 30 and the drive shaft support 40 that include all are fixed in well passageway body 10 through the mode of spot welding on for this vertical reinforcement 20, transverse connection support 50, CCB support 30 and drive shaft support 40 form well passageway assembly 100 with well passageway body 10, satisfy the vehicle to well access structure's collision, durable, rigidity, modal and the demand of arranging.

The utility model provides a well passageway body 10 among well passageway assembly 100 is made by the processing of hot forming steel sheet, can be in guaranteeing under the holistic rigidity of well passageway body 10 and the prerequisite of mode, and the light-weighted requirement of well passageway assembly 100 is satisfied in the weight of passageway assembly 100 in reducing.

The utility model also provides a front floor assembly 500, including foretell well passageway assembly 100, set up in the front seat front beam 510, front seat rear beam 520 and the front floor longeron 530 of well passageway assembly 100 both sides, the front end of front floor longeron 530 passes through reinforcement 60 and is connected with well passageway assembly 100. As shown in fig. 2, the reinforcement 60 is connected between the front floor rail 530 and the center tunnel assembly 100 to provide a connection path between the front floor rail 530 and the center tunnel assembly 100, and the reinforcement 60 is also effective in enhancing the overlapping strength of the connection path and laterally transmitting collision energy in a frontal collision of the vehicle.

Further, as shown in fig. 1, an end portion of the front seat front cross member 510 and an end portion of the front seat rear cross member 520 are fixed to the side plate 12 of the center tunnel body 10 by spot welding, and both ends of the cross connecting bracket 50 in the center tunnel assembly 100 are fixed to a connection portion of the front seat rear cross member 520 and the side plate 12, respectively.

The utility model provides a front floor assembly 500, adopt foretell well passageway assembly 100, can be on the basis of the whole weight of passageway assembly 100 in reducing, the connection performance of other parts in passageway assembly 100 and the front floor assembly 500 in improving, guarantee front floor assembly 500's rigidity and mode, wherein stiffener 60 has been add with front floor longeron 530's front end to passageway assembly 100 in this, the connection route between front floor longeron 530 and well passageway assembly 100 has been increased, be favorable to just bumping the front and back transmission of energy, improve collision transmission route, the collision performance is improved.

The utility model also provides an automobile, including foretell front floor assembly 500. The front floor assembly 500 adopts the center tunnel assembly 100, so that the overall weight of the center tunnel assembly 100 can be reduced as much as possible on the premise of ensuring the overall mode and rigidity of the center tunnel assembly 100, and the overall weight is reduced by about 20%.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A center channel assembly is characterized by comprising a center channel body extending from a front coaming reinforcing beam to a rear seat cross beam, a longitudinal reinforcing piece arranged on the center channel body, a transverse connecting support arranged on the center channel body and used for being connected with the front seat rear cross beam, a CCB support arranged on the center channel body and used for being connected with an instrument panel framework and a transmission shaft support arranged on the center channel body and used for bearing a transmission shaft, wherein the longitudinal reinforcing piece, the transverse connecting support, the CCB support and the transmission shaft support are fixed on the center channel body through spot welding, the center channel body is lapped on a front auxiliary frame rear mounting plate, and the center channel body is processed and manufactured by a hot forming steel plate; the middle channel body comprises a flat plate extending from the front coaming reinforcing beam to the rear seat cross beam and two side plates respectively arranged on the side surfaces of the flat plate, flanges are arranged at the bottoms of the two side plates, and a plurality of reinforcing ribs are arranged on the flat plate.

2. The mesochannel assembly of claim 1, wherein said thermoformed steel sheet has a thickness of 1.0mm to 1.2 mm.

3. The center tunnel assembly according to claim 1, wherein a sectional height of the center tunnel body is gradually reduced from an end of the dash reinforcement beam toward an end of the rear seat cross member.

4. The center tunnel assembly of claim 1, wherein said longitudinal reinforcement member is fixed to said flanges, said longitudinal reinforcement member comprising a pair of thermoformed steel strips respectively disposed on bottom surfaces of said flanges, said thermoformed steel strips extending from said front subframe rear mounting plate to said rear seat cross member.

5. The assembly of claim 1, wherein the lateral attachment bracket is secured to the plate of the body of the center channel.

6. The assembly of claim 1, wherein said CCB bracket includes a pair of mounting brackets disposed on opposite sides of said flat plate of said center tunnel body; the mounting bracket comprises a first connecting plate fixedly connected with the flat plate and a second connecting plate fixedly connected with the side plate, and a mounting hole for fixing the instrument panel framework is formed in the first connecting plate.

7. The assembly of claim 1, wherein said drive shaft support includes a front support and a rear support secured to the bottom surface of said plate; the front support and the rear support are both provided with grooves for the transmission shaft to penetrate through, and connecting holes for fixing the transmission shaft are arranged on two sides of the groove of the rear support.

8. A front floor assembly comprising a center tunnel assembly as claimed in any one of claims 1 to 7, a front seat front cross member, a front seat rear cross member and a front floor rail disposed on either side of the center tunnel assembly, the front end of the front floor rail being connected to the center tunnel assembly by a reinforcement.

9. A front floor assembly according to claim 8, wherein the end of said front seat front cross member and the end of said front seat rear cross member are each fixed to the side plate of said center tunnel body by spot welding, and both ends of the cross connecting bracket in said center tunnel assembly are fixed to the connection of said front seat rear cross member and said side plate, respectively.

10. An automobile comprising a front floor assembly as claimed in claim 8 or 9.