Vehicle body rear structure and vehicle

Abstract

The utility model relates to the technical field of vehicle bodies, and provides a vehicle body rear structure and a vehicle, the vehicle body rear structure comprises a rear floor and a vehicle-mounted electric appliance mounting support arranged on the rear floor, the vehicle-mounted electric appliance mounting support comprises a fixing part, a connecting part and a mounting part, the fixing part is connected with the rear floor, and the connecting part is connected with the mounting part. The mounting part is connected with the fixing part through the connecting part, a vehicle-mounted electric appliance mounting point is arranged on the mounting part, at least part of the connecting part protrudes upwards in the vertical direction of the whole vehicle, and when the mounted vehicle-mounted electric appliance is impacted by external collision, the connecting part can collapse and deform, and the vehicle-mounted electric appliance moves relative to the rear floor. According to the vehicle body rear structure, the vehicle-mounted electric appliance convenient to install can move relative to the rear floor during collision by means of crumple deformation and energy absorption of the connecting part, the deformation amount of a shell of the vehicle-mounted electric appliance can be reduced, and the service life of the vehicle-mounted electric appliance can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle body, especially a vehicle body rear structure, and further relates to a vehicle provided with the vehicle body rear structure. BACKGROUND

[0002] The vehicle body rear structure is an important structure of a vehicle body, and the rear floor is an important load-bearing carrier at the rear of the vehicle and plays a crucial role in safety performance. For a new energy vehicle, vehicle-mounted electrical components such as a vehicle-mounted charger and a high-voltage distribution box are usually arranged on the rear floor. For example, the vehicle-mounted charger is usually installed on the rear floor of the vehicle body by means of a mounting bracket.

[0003] In the prior art, the mounting bracket of the charger has a complex overall structure and a high mold opening cost. Moreover, in the existing mounting bracket structure, when the vehicle is subjected to a collision, for example, in a rear collision condition, the mounting bracket cannot effectively deform and collapse, resulting in stress concentration of the charger, severe deformation of the charger housing, and an increased risk of damage to the charger. SUMMARY

[0004] Therefore, the utility model aims to provide a vehicle body rear structure to facilitate displacement of vehicle-mounted electrical equipment when the vehicle-mounted electrical equipment is subjected to a collision impact, thereby reducing deformation of the vehicle-mounted electrical equipment housing.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A vehicle body rear structure comprises a rear floor and a vehicle-mounted electrical equipment mounting bracket arranged on the rear floor.

[0007] The vehicle-mounted electrical equipment mounting bracket comprises a fixed portion connected to the rear floor and a mounting portion connected to the fixed portion through a connecting portion.

[0008] The mounting portion is provided with a vehicle-mounted electrical equipment mounting point, the connecting portion is at least partially arranged upward along the up-down direction of the vehicle, and when the mounted vehicle-mounted electrical equipment is subjected to an external collision impact, the connecting portion can deform and collapse, and the vehicle-mounted electrical equipment can be displaced relative to the rear floor.

[0009] Further, the vehicle-mounted electrical equipment mounting bracket is in the shape of "Z", the bottom of the connecting portion is connected to the fixed portion, the mounting portion is connected to the top of the connecting portion, and the mounting portion is arranged in a spaced manner relative to the rear floor.

[0010] Further, the fixed portion, the connecting portion and the mounting portion are all in the shape of a plate, and the fixed portion is provided with a reinforcing rib, one end of the reinforcing rib extending from the fixed portion to the connecting portion.

[0011] Further, the connecting portion is arranged in a curved shape in the up-down direction of the vehicle, and / or the mounting portion is provided with a weight-reducing structure.

[0012] Further, the vehicle-mounted electrical appliance mounting point comprises a mounting hole provided on the mounting portion, and a welding nut fixed on the mounting hole, the welding nut being located on the side of the mounting portion close to the rear floor.

[0013] Further, the vehicle-mounted electrical appliance mounting bracket extends in the left-right direction of the vehicle and is arranged in parallel in the front-rear direction of the vehicle.

[0014] Further, the vehicle-mounted electrical appliance mounting bracket is arranged above the rear floor in the left-right direction of the vehicle, and a plurality of rear floor longitudinal beams are arranged below the rear floor; the vehicle-mounted electrical appliance mounting bracket is arranged in connection with at least one of the rear floor longitudinal beams in the up-down direction of the vehicle.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The vehicle-mounted electrical appliance mounting bracket is arranged on the rear floor, and comprises a fixing portion, a connecting portion and a mounting portion. The fixing portion is connected with the rear floor, which can ensure the reliability of the connection between the vehicle-mounted electrical appliance mounting bracket and the rear floor. The mounting portion is used for mounting the vehicle-mounted electrical appliance, and the connecting portion can collapse and deform when the vehicle-mounted electrical appliance is subjected to external impact. In this way, when a collision occurs, the collapse and deformation of the connecting portion can facilitate the displacement of the vehicle-mounted electrical appliance relative to the rear floor, thereby reducing the deformation of the vehicle-mounted electrical appliance shell and the damage risk of the internal elements of the vehicle-mounted electrical appliance, and further improving the service life of the vehicle-mounted electrical appliance.

[0017] In addition, the connecting portion is arranged in the up-down direction of the vehicle, and the bottom of the connecting portion is connected with the fixing portion, the top of the connecting portion is connected with the mounting portion, and the mounting portion is arranged in spaced relation with the rear floor. This arrangement allows the vehicle-mounted electrical appliance to be mounted at a certain height, avoiding the influence of water and debris that may exist on the rear floor on the vehicle-mounted electrical appliance, and providing space for the collapse and deformation of the connecting portion in the up-down direction of the vehicle and the front-rear direction of the vehicle, which can better absorb collision energy.

[0018] Secondly, the fixed part, the connecting part and the mounting part are all plate-shaped, which can be easily manufactured and reduce the manufacturing cost. The reinforcing ribs on the fixed part can increase the structural strength of the fixed part and ensure the supporting strength of the connecting part. The connecting part is arranged in a curved shape in the vertical direction of the vehicle, which further increases the deformation capacity and energy absorption effect of the connecting part in the collision. The weight reduction structure is arranged on the mounting part, which facilitates the lightweight design of the vehicle electrical appliance mounting bracket under the premise of ensuring the mounting strength of the vehicle electrical appliance.

[0019] Furthermore, the vehicle electrical appliance mounting point comprises a mounting hole and a welding nut, and the welding nut is located on the side of the mounting part close to the rear floor. This design facilitates the secure installation of the vehicle electrical appliance on the mounting part through bolts and other connecting members, and the welding nut can also improve the strength of the mounting point and better ensure the reliability of the vehicle electrical appliance installation.

[0020] The vehicle electrical appliance mounting bracket is arranged side by side in the front-rear direction of the vehicle, i.e. the two vehicle electrical appliance mounting brackets are arranged in the front-rear direction of the vehicle. In the rear collision condition, the vehicle electrical appliance mounting bracket can collapse in the front-rear direction of the vehicle, and in combination with the arrangement of the connecting part in the vertical direction of the vehicle and the spacing between the mounting part and the rear floor, the electrical appliance mounting bracket can also collapse in the height direction of the vehicle, thereby further facilitating the increase of the vehicle electrical appliance collision displacement space and reducing the deformation amount of the vehicle electrical appliance shell.

[0021] At the same time, the vehicle electrical appliance mounting bracket is arranged in the vertical direction of the vehicle in connection with at least one rear floor longitudinal beam. This structural design not only strengthens the overall structural strength of the rear part of the vehicle body, but also improves the reliability of the connection between the vehicle electrical appliance mounting bracket and the rear floor by utilizing the structural strength of the rear floor longitudinal beam. At the same time, the vehicle electrical appliance mounting bracket can effectively disperse the collision force transmitted by the rear floor longitudinal beam, thereby improving the anti-deformation ability and safety of the rear part of the vehicle body.

[0022] In addition, two vehicle electrical appliance mounting brackets are arranged in the front-rear direction of the vehicle above the rear floor, and the two vehicle electrical appliance mounting brackets are arranged in the vertical direction of the vehicle in connection with the rear floor longitudinal beam below the rear floor. Each vehicle electrical appliance mounting bracket comprises a fixed part connected to the rear floor, a mounting part provided with an electrical appliance mounting point, and a connecting part connected to the fixed part and the mounting part. When the mounted vehicle electrical appliance is subjected to external collision impact, the connecting part can collapse and deform, so that the vehicle electrical appliance is displaced relative to the rear floor.

[0023] The structure can increase the displacement space of the vehicle-mounted electric appliance during collision, facilitate displacement of the vehicle-mounted electric appliance relative to the rear floor, reduce the deformation amount of the vehicle-mounted electric appliance shell, and enhance the overall structural strength of the rear part of the vehicle body.

[0024] Another purpose of the present application is to provide a rear part structure of a vehicle body, which comprises a rear floor and a vehicle-mounted electric appliance mounting bracket arranged above the rear floor.

[0025] Each vehicle-mounted electric appliance mounting bracket comprises a fixed part connected to the rear floor and a mounting part connected to the fixed part through a connecting part, the mounting part is arranged apart from the rear floor, a vehicle-mounted electric appliance mounting point is arranged on the mounting part, and the connecting part can be deformed when the mounted vehicle-mounted electric appliance is subjected to external impact.

[0026] Further, the vehicle-mounted electric appliance mounting bracket extends along the left-right direction of the vehicle and is arranged symmetrically about the left-right direction of the vehicle, and the two vehicle-mounted electric appliance mounting brackets are arranged in connection with a rear floor longitudinal beam below the rear floor in the up-down direction of the vehicle.

[0027] The rear part structure of the vehicle body can ensure the connection strength between the vehicle-mounted electric appliance mounting bracket and the rear floor, and the deformed connecting part of the vehicle-mounted electric appliance mounting bracket can facilitate displacement of the vehicle-mounted electric appliance when the vehicle-mounted electric appliance is subjected to external impact, thereby reducing the deformation amount of the vehicle-mounted electric appliance shell and reducing the risk of damage to the internal elements of the vehicle-mounted electric appliance, thereby improving the service life of the vehicle-mounted electric appliance.

[0028] Another purpose of the present application is to provide a vehicle, which has the rear part structure of the vehicle body as described above, and the vehicle-mounted electric appliance comprises a charging machine.

[0029] The vehicle can ensure the connection strength between the vehicle-mounted electric appliance mounting bracket and the rear floor, and the deformed connecting part of the vehicle-mounted electric appliance mounting bracket can facilitate displacement of the vehicle-mounted electric appliance when the vehicle-mounted electric appliance is subjected to external impact, thereby reducing the deformation amount of the vehicle-mounted electric appliance shell and reducing the risk of damage to the internal elements of the vehicle-mounted electric appliance, thereby improving the service life of the vehicle-mounted electric appliance.

[0030] Moreover, the vehicle-mounted electric appliance includes a charger, and the charger can be conveniently displaced, the deformation of the charger shell is reduced, the damage risk of internal elements of the charger is reduced, and then the service life of the charger is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its features are described with reference to the drawings. In the drawings:

[0032] Figure 1 A structure schematic view of a first perspective of a rear body structure according to an embodiment of the application;

[0033] Figure 2 A structure schematic view of a second perspective of a rear body structure according to an embodiment of the application;

[0034] Figure 3 A structure schematic view of a cooperation state of a vehicle-mounted electric appliance mounting bracket and a rear floor longitudinal beam according to an embodiment of the application;

[0035] Figure 4 A structure schematic view of a vehicle-mounted electric appliance mounting bracket according to an embodiment of the application;

[0036] Figure 5 A structure schematic view of a first mounting bracket according to an embodiment of the application;

[0037] Figure 6 A structure schematic view of a second mounting bracket according to an embodiment of the application;

[0038] Explanation of the drawings:

[0039] 1, rear floor; 2, vehicle-mounted electric appliance mounting bracket; 3, rear floor rear cross beam; 4, rear wall connecting plate;

[0040] 101, rear floor longitudinal beam; 21, first mounting bracket; 22, second mounting bracket; 201, fixed part; 202, connecting part; 203, mounting part; 2011, reinforcing rib; 2031, vehicle-mounted electric appliance mounting point; 2032, weight-reducing structure. DETAILED DESCRIPTION

[0041] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.

[0042] In the description of the utility model, it needs to be explained that if the terms indicating the orientation or position relationship such as ''up'', ''down'', ''inner'', ''outer'' appear, it is based on the orientation or position relationship shown in the drawing, and it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the device or element indicated must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as a limitation on the utility model. In addition, if the terms ''first'', ''second'' appear, they are also only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In addition, in the description of the utility model, unless otherwise explicitly limited, the terms ''installation'', ''connection'', ''connection'', ''connector'' should be broadly understood. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood in combination with the specific situation.

[0044] In addition, in the description of the utility model, it needs to be explained that in the embodiment used in the embodiment, the orientation words such as ''up, down, left, right, front, back'' are defined based on the up-down direction, left-right direction and front-rear direction of the automobile. Among them, the up-down direction of the automobile is also the height direction of the automobile, the front-rear direction of the automobile is also the length direction of the automobile, and the left-right direction of the automobile is also the width direction of the automobile. ''Inner, outer'' is defined based on the contour of the corresponding component, for example, the interior and exterior of the vehicle are defined based on the vehicle contour, the side close to the middle of the vehicle is ''inner'', and vice versa is ''outer''.

[0045] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0046] Embodiment one

[0047] The embodiment relates to a rear body structure which can facilitate the displacement of the on-board electrical appliance when the on-board electrical appliance is subjected to a collision impact, so as to reduce the deformation of the on-board electrical appliance shell.

[0048] At present, for new energy vehicles, on-board electrical appliance components such as charging machines and high-voltage distribution boxes are usually arranged on the rear floor 1. Taking the on-board charging machine as an example, it is usually installed on the rear floor 1 of the vehicle body through the mounting bracket. The mounting bracket of the existing charging machine has a complex overall structure, the mold opening cost is high, and when the vehicle is subjected to a collision, the mounting bracket cannot effectively deform and collapse, resulting in stress concentration of the charging machine, serious deformation of the charging machine shell, and thus increasing the risk of damage to the charging machine.

[0049] Therefore, the embodiment aims at the deficiency in the prior art, and provides a new rear body structure. Figure 1 and Figure 2 The rear body structure comprises a rear floor 1 and a vehicle-mounted electrical appliance mounting bracket 2 arranged on the rear floor 1.

[0050] The vehicle-mounted electrical appliance mounting bracket 2 comprises a fixed part 201 connected with the rear floor 1 and a mounting part 203 connected with the fixed part 201 through a connecting part 202. The vehicle-mounted electrical appliance mounting point 2031 is arranged on the mounting part 203. The connecting part 202 is at least partially arranged upward along the up-down direction of the whole vehicle, and can be deformed and collapsed when the mounted vehicle-mounted electrical appliance is subjected to external impact, so as to displace the vehicle-mounted electrical appliance relative to the rear floor 1.

[0051] At this time, in the above structure, the vehicle-mounted electrical appliance mounting bracket 2 comprises the fixed part 201, the connecting part 202 and the mounting part 203. The fixed part 201 is connected with the rear floor 1, so as to ensure the reliability of the connection between the vehicle-mounted electrical appliance mounting bracket 2 and the rear floor 1. The mounting part 203 is used for mounting the vehicle-mounted electrical appliance. The connecting part 202 connects the fixed part 201 and the mounting part 203 into one body. When the vehicle-mounted electrical appliance is subjected to external impact, the connecting part 202 can be deformed and collapsed. In this way, the deformed and collapsed connecting part can absorb energy, so as to facilitate the displacement of the vehicle-mounted electrical appliance relative to the rear floor 1. Therefore, the deformation of the vehicle-mounted electrical appliance shell can be reduced, the damage risk of the internal elements of the vehicle-mounted electrical appliance can be reduced, and the service life of the vehicle-mounted electrical appliance can be improved.

[0052] Based on the above overall structure, an exemplary structure of the rear body structure of the embodiment is shown in Figures 1 to 3 .

[0053] In some embodiments, as shown in Figure 1 and Figure 3 , the rear floor 1 is concave downward relative to the front section of the rear floor 1 from the front-rear direction of the whole vehicle. The vehicle-mounted electrical appliance mounting bracket 2 is arranged on the rear section of the rear floor 1, so as to facilitate the arrangement and mounting of the vehicle-mounted electrical appliance on the rear floor 1. The rear section of the rear floor 1 is provided with a rear wall connecting plate 4 on the left and right sides, respectively. The front end of each rear wall connecting plate 4 is connected with the front section, and the rear end of each rear wall connecting plate 4 is connected with the rear floor rear cross beam 3 at the rear end of the rear floor 1.

[0054] And, a plurality of rear floor longitudinal beams 101 are arranged between the two rear wall connecting plates 4 on the lower surface of the rear floor 1, and the number of the rear floor longitudinal beams 101 can be set to one, two or any other number. When the rear floor longitudinal beams 101 are set to multiple, the multiple rear floor longitudinal beams 101 are arranged at intervals between the two rear wall connecting plates 4. By setting the plurality of rear floor longitudinal beams 101, the overall structural strength of the rear floor 1 can be improved, and the overall rigidity of the rear part of the vehicle body can be enhanced.

[0055] Next, the present embodiment is specifically described by taking the vehicle-mounted electric appliance as a charger as an example. The vehicle-mounted electric appliance mounting bracket 2 is also used for mounting the charger. Referring to Figure 1 , and combining Figures 3 to 6 , it is shown that the vehicle-mounted electric appliance mounting bracket 2 includes a fixed part 201, a connecting part 202 and a mounting part 203. The fixed part 201 is welded to the rear floor 1. The mounting part 203 is provided with a vehicle-mounted electric appliance mounting point 2031 for mounting the vehicle-mounted electric appliance, i.e. the charger, and the mounting part 203 is connected to the fixed part 201 as a whole through the connecting part 202.

[0056] In some embodiments, combining Figures 3 to 6 , it is shown that the vehicle-mounted electric appliance mounting bracket 2 can be in the shape of “Z”, and the connecting part 202 is arranged in the up-down direction of the whole vehicle. The bottom of the connecting part 202 is connected to the fixed part 201, and the mounting part 203 is connected to the top of the connecting part 202, and the mounting part 203 is arranged at intervals with the rear floor 1. In this way, the vehicle-mounted electric appliance mounting bracket 2 is in the shape of “Z” as a whole, and the structure is relatively simple. The vehicle-mounted electric appliance, i.e. the charger, is mounted at a certain height, so that the influence of water, debris and other things that may exist in the rear floor 1 on the charger can be avoided, and at the same time, the deformation space of the connecting part 202 in the up-down direction of the whole vehicle and the front-rear direction of the whole vehicle is provided, so that the collision energy can be better absorbed.

[0057] Combining Figures 3 to 6 , it is shown that in the present embodiment, as preferred, the fixed part 201, the connecting part 202 and the mounting part 203 of the vehicle-mounted electric appliance mounting bracket 2 are all in the shape of a plate, and the fixed part 201 is provided with a reinforcing rib 2011, one end of which extends from the fixed part 201 to the connecting part 202. At this time, the fixed part 201, the connecting part 202 and the mounting part 203 are all arranged in the shape of a plate, which is easy to manufacture and can reduce the manufacturing cost. Moreover, the reinforcing rib 2011 arranged on the fixed part 201 can increase the structural strength of the fixed part 201 and ensure the supporting strength of the connecting part 202.

[0058] As a further preferred embodiment, in the embodiment, the connecting portion 202 is arranged in a curved shape in the vertical direction of the vehicle, so as to further increase the deformation capacity and energy absorption effect of the connecting portion 202 in the collision. In specific implementation, the connecting portion 202 is connected to the fixed portion 201 at a connecting position, and the connecting portion 202 is connected to the mounting portion 203 at a connecting position. The connecting portion 202 is arranged in a curved shape, and the arc transition connection is used to avoid stress concentration at the connecting positions, and to increase the deformation capacity and energy absorption effect of the connecting portion 202 in the collision.

[0059] As a further embodiment, in the embodiment, the mounting portion 203 is also provided with a weight-reducing structure 2032. The weight-reducing structure 2032 can be provided to facilitate the lightweight design of the vehicle-mounted electrical appliance mounting bracket 2 while ensuring the mounting strength of the vehicle-mounted electrical appliance. In specific implementation, the weight-reducing structure 2032 can be, for example, a weight-reducing hole formed on the mounting portion 203, or a slot formed on the mounting portion 203 as shown in Figures 3 to 6

[0060] On the basis of being arranged in a spaced manner between the mounting portion 203 and the rear floor 1, the vehicle-mounted electrical appliance mounting point 2031 of the embodiment, as a feasible embodiment, continues to refer to Figures 3 to 6 The vehicle-mounted electrical appliance mounting point 2031 specifically includes a mounting hole provided on the mounting portion 203, and a welding nut fixed on the mounting hole. The welding nut is located on the side of the mounting portion 203 close to the rear floor 1. When the vehicle-mounted electrical appliance, i.e., the charger, is installed, the charger is connected to the welding nut through a bolt or the like connecting member penetrating through the mounting hole, so as to firmly mount the charger on the vehicle-mounted electrical appliance mounting bracket 2. At the same time, the welding nut can also improve the structural strength of the charger mounting point, and better ensure the reliability of the charger installation.

[0061] It should be noted that the vehicle-mounted electrical appliance mounting bracket 2 can be a monolithic structure, i.e., the fixed portion 201 connected to the rear floor 1 is in a monolithic plate structure, and the front and rear ends of the fixed portion 201 are provided with the connecting portion 202 and the mounting portion 203. The mounting portions 203 on the front and rear are provided with the vehicle-mounted electrical appliance mounting points 2031. Of course, it can be understood that the vehicle-mounted electrical appliance mounting bracket 2 can also adopt a split structure, i.e., two vehicle-mounted electrical appliance mounting brackets 2 are arranged in a spaced manner along the front-rear direction of the vehicle. Each vehicle-mounted electrical appliance mounting bracket 2 has a fixed portion 201 connected to the rear floor 1, a connecting portion 202, and a mounting portion 203. The mounting portion 203 of each vehicle-mounted electrical appliance mounting bracket 2 is provided with a vehicle-mounted electrical appliance mounting point 2031. Figure 3

[0062] ​​In practice, the four vehicle-mounted electric appliance mounting points 2031 are arranged at intervals on the vehicle-mounted electric appliance mounting support 2, so as to ensure the stability of the charger mounted on the vehicle-mounted electric appliance mounting support 2. It can be understood that the number of vehicle-mounted electric appliance mounting points 2031 can be adaptively set according to the specific structure of the vehicle-mounted electric appliance, and the present embodiment does not limit this.

[0063] In some possible embodiments, still referring to Figures 3 to 6 , in combination with Figure 1 , the vehicle-mounted electric appliance mounting support 2 of the present embodiment extends along the left-right direction of the vehicle and is arranged side by side in the front-rear direction of the vehicle. At this time, the two vehicle-mounted electric appliance mounting supports 2 are arranged at intervals in the front-rear direction of the vehicle. In the rear collision condition, the vehicle-mounted electric appliance mounting support 2 can collapse along the front-rear direction of the vehicle. In combination with the arrangement of the connecting portion 202 along the up-down direction of the vehicle and the interval between the mounting portion 203 and the rear floor 1, the electric appliance mounting support can also collapse along the height direction of the vehicle, thereby further facilitating the increase of the vehicle-mounted electric appliance collision displacement space and the reduction of the deformation amount of the vehicle-mounted electric appliance shell.

[0064] It should be pointed out that when the vehicle-mounted electric appliance mounting support 2 is two front-rear side-by-side arrangements, preferably, the two vehicle-mounted electric appliance mounting supports 2 are symmetrically arranged with respect to the left-right direction of the vehicle, for example, as shown in Figure 1 , Figure 3 or Figure 4 . In this way, the two vehicle-mounted electric appliance mounting supports 2 are symmetrically arranged, so that while the connecting portion 202 can collapse and deform, the two vehicle-mounted electric appliance mounting supports 2 can utilize the connecting effect of the vehicle-mounted electric appliance to restrict the deformation of each other, so that the vehicle-mounted electric appliance mounting structure composed of them has good support strength, and the vehicle-mounted electric appliance is stably mounted on the rear floor 1.

[0065] Specifically, the two vehicle-mounted electric appliance mounting supports 2 are symmetrical in structure and each have a fixed portion 201 connected to the rear floor 1, a connecting portion 202 and a mounting portion 203. In order to more clearly understand the present embodiment, the two front-rear vehicle-mounted electric appliance mounting supports 2 are defined as a first mounting support 21 and a second mounting support 22. The first mounting support 21 and the second mounting support 22 each have a fixed portion 201, a connecting portion 202 and a mounting portion 203. The mounting portion 203 of the first mounting support 21 is located at the front end of the fixed portion 201 of the first mounting support 21, and the mounting portion 203 of the second mounting support 22 is located at the rear end of the fixed portion 201 of the second mounting support 22.

[0066] And, the mounting portion 203 of the first mounting bracket 21 and the mounting portion 203 of the second mounting bracket 22 are both provided with a vehicle-mounted electrical appliance mounting point 2031, that is, both are provided with a mounting hole and a welding nut. When the charger is actually installed, the bolt or the like is connected through the through hole on the charger shell and the mounting hole on the mounting portion 203, and is screwed on the welding nut.

[0067] It is worth mentioning that the distance between the mounting portion 203 and the rear floor 1 is preferably set to be between 8.5mm and 13.5mm, and in specific implementation, the distance can be set to be 8.5mm, 9mm, 10mm, 11mm, 12mm, 13mm or 13.5mm, etc. It is also worth mentioning here that on the basis of meeting the above interval setting, there is also a certain distance between the bottom end face of the welding nut and the rear floor 1, which can provide a deformation space for the connecting portion 202 when the collision occurs.

[0068] In some embodiments, the vehicle-mounted electrical appliance mounting bracket 2 is arranged along the left-right direction of the whole vehicle and located above the rear floor 1, and the vehicle-mounted electrical appliance mounting bracket 2 is arranged in connection with at least one rear floor longitudinal beam 101 in the up-down direction of the whole vehicle. In this way, not only the overall structural strength of the rear part of the vehicle body can be strengthened, but also the structural strength of the rear floor longitudinal beam 101 can be utilized to improve the reliability of the connection between the vehicle-mounted electrical appliance mounting bracket 2 and the rear floor 1, and at the same time, the collision force transmitted by the rear floor longitudinal beam 101 can be effectively dispersed by means of the vehicle-mounted electrical appliance mounting bracket 2, thereby facilitating to improve the anti-deformation ability and safety of the rear part of the vehicle body.

[0069] It is worth mentioning that the above-mentioned connection arrangement is specifically that the projection of the vehicle-mounted electrical appliance mounting bracket 2 and the rear floor longitudinal beam 101 in the up-down direction of the whole vehicle at least partially coincides.

[0070] Still referring to Figures 3 to 6 It is shown that the first mounting bracket 21 and the second mounting bracket 22 are both arranged above the rear floor 1, and both extend along the left-right direction of the whole vehicle, and the first mounting bracket 21 and the second mounting bracket 22 are both arranged in connection with one of the rear floor longitudinal beams 101 in the up-down direction of the whole vehicle. That is, the projection of the first mounting bracket 21 and one of the rear floor longitudinal beams 101 in the up-down direction of the whole vehicle at least partially coincides, and the projection of the second mounting bracket 22 and one of the rear floor longitudinal beams 101 in the up-down direction of the whole vehicle at least partially coincides.

[0071] In some embodiments, as Figure 3As shown, the first mounting bracket 21 is arranged in a "cross" shape with one of the rear floor longitudinal beams 101, and the second mounting bracket 22 is also arranged in a "cross" shape with the rear floor longitudinal beam 101. In this way, the connection reliability between the first mounting bracket 21 and the second mounting bracket 22 and the rear floor 1 can be further enhanced, that is, the connection reliability between the fixed portion 201 and the rear floor 1 is further enhanced, so that the fixed portion 201 can avoid a large displacement relative to the rear floor 1, and the collapse deformation capability of the connection portion 202 during a collision can also be ensured.

[0072] It should be pointed out that when the number of rear floor longitudinal beams 101 is large and the length of the vehicle-mounted electrical appliance mounting bracket 2 extending in the vehicle transverse direction is large, the vehicle-mounted electrical appliance mounting bracket 2 can be arranged in abutment with multiple rear floor longitudinal beams 101 in the vehicle vertical direction. In addition, it should also be pointed out that the first mounting bracket 21 and the second mounting bracket 22 can also be arranged in intersection other than the "cross" shape, which is also acceptable.

[0073] Based on the above introduction, as a preferred implementation form of the vehicle body rear structure of the present embodiment, specifically, in combination with Figures 1 to 6 As shown, the vehicle body rear structure includes a rear floor 1 and a vehicle-mounted electrical appliance mounting bracket 2 arranged above the rear floor 1. The vehicle-mounted electrical appliance mounting bracket 2 extends along the vehicle transverse direction and is arranged symmetrically about the vehicle transverse direction. Both of the vehicle-mounted electrical appliance mounting brackets 2 are arranged in abutment with the rear floor longitudinal beams 101 below the rear floor 1 in the vehicle vertical direction.

[0074] In addition, each vehicle-mounted electrical appliance mounting bracket 2 includes a fixed portion 201 connected to the rear floor 1, and a mounting portion 203 connected to the fixed portion 201 through a connection portion 202. The mounting portion 203 is arranged in spaced relation to the rear floor 1 and is provided with a vehicle-mounted electrical appliance mounting point 2031. When the mounted vehicle-mounted electrical appliance is subjected to external impact, the connection portion 202 can collapse and deform, and the vehicle-mounted electrical appliance can be displaced relative to the rear floor 1.

[0075] Specifically, referring to Figures 1 to 6 As shown, the vehicle body rear structure of the present embodiment also includes a rear floor 1 and a vehicle-mounted electrical appliance mounting bracket 2 arranged above the rear floor 1. The rear floor 1 is provided with multiple rear floor longitudinal beams 101 below. The vehicle-mounted electrical appliance mounting bracket 2 extends along the vehicle transverse direction and is arranged symmetrically about the vehicle transverse direction. That is, the vehicle-mounted electrical appliance mounting bracket 2 includes a first mounting bracket 21 and a second mounting bracket 22 arranged in spaced relation front and rear, and the first mounting bracket 21 and the second mounting bracket 22 are arranged symmetrically about the vehicle transverse direction.

[0076] The first mounting bracket 21 and the second mounting bracket 22 are arranged in the up-down direction of the vehicle in connection with the rear floor longitudinal beam 101 below the rear floor 1, that is, the projection of the first mounting bracket 21 in the up-down direction of the vehicle at least partially overlaps the rear floor longitudinal beam 101, and the projection of the second mounting bracket 22 in the up-down direction of the vehicle at least partially overlaps the rear floor longitudinal beam 101.

[0077] At this time, the structural strength of the rear floor longitudinal beam 101 can be used to improve the reliability of the connection between the first mounting bracket 21 and the second mounting bracket 22 and the rear floor 1, and the first mounting bracket 21 and the second mounting bracket 22 can effectively disperse the collision force transmitted by the rear floor longitudinal beam 101, which is beneficial to improving the anti-deformation ability and safety of the rear part of the vehicle body. At the same time, the interval arrangement of the first mounting bracket 21 and the second mounting bracket 22 can make the first mounting bracket 21 and the second mounting bracket 22 collapse in the front-rear direction of the vehicle, and the connection part 202 is arranged in the up-down direction of the vehicle, and the interval arrangement between the mounting part 203 and the rear floor 1, so that the electrical appliance mounting bracket can also collapse in the height direction of the vehicle, thereby further facilitating the increase of the collision displacement space of the vehicle-mounted electrical appliances and the reduction of the deformation amount of the vehicle-mounted electrical appliance shell.

[0078] As shown in Figure 3 The first mounting bracket 21 and the second mounting bracket 22 are arranged in a "cross" shape with the rear floor longitudinal beam 101. In this way, the connection reliability between the first mounting bracket 21 and the second mounting bracket 22 and the rear floor 1 can be further improved, that is, the connection reliability between the fixed part 201 and the rear floor 1 is further improved, which can avoid a large displacement amount of the fixed part 201 relative to the rear floor 1, and also ensure the collapse deformation ability of the connection part 202 during the collision.

[0079] In the embodiment, each vehicle-mounted electrical appliance mounting bracket 2, that is, the first mounting bracket 21 and the second mounting bracket 22, includes a fixed part 201, a connection part 202, and a mounting part 203. Each fixed part 201 is welded to the rear floor 1. Each mounting part 203 is provided with a vehicle-mounted electrical appliance mounting point 2031 for mounting a vehicle-mounted electrical appliance, that is, for mounting a charger, and each mounting part 203 is connected to the corresponding fixed part 201 through the corresponding connection part 202. When the installed vehicle-mounted electrical appliance is subjected to external collision impact, each connection part 202 can collapse and deform, and can make the vehicle-mounted electrical appliance displace relative to the rear floor 1, thereby reducing the deformation amount of the vehicle-mounted electrical appliance shell and reducing the risk of damage to the internal elements of the vehicle-mounted electrical appliance, thereby improving the service life of the vehicle-mounted electrical appliance.

[0080] By Figure 1 In combinationFigures 3 to 6 As shown, in the embodiment, the connecting portions 202 of each of the vehicle-mounted electric appliance mounting brackets 2, i.e. the connecting portions 202 of the first mounting bracket 21 and the connecting portions 202 of the second mounting bracket 22, are arranged along the up-down direction of the whole vehicle, the bottom of each of the connecting portions 202 is connected with the corresponding fixing portion 201, and the top of each of the connecting portions 202 is connected with the corresponding mounting portion 203. And each of the mounting portions 203 is arranged spaced apart from the rear floor 1.

[0081] On this basis, in the embodiment, the fixing portions 201, the connecting portions 202 and the mounting portions 203 of the first mounting bracket 21 and the second mounting bracket 22 are all in plate-like structure, which facilitates the preparation and molding of the first mounting bracket 21 and the second mounting bracket 22, and is conducive to reducing the manufacturing cost. And in order to improve the structural strength of the fixing portions 201 and ensure the supporting strength of the connecting portions 202, each of the fixing portions 201 is provided with a reinforcing rib 2011, one end of each of the reinforcing ribs 2011 extends from the fixing portion 201 to the connecting portion 202.

[0082] At the same time, as preferred, each of the connecting portions 202 is arranged in a curved shape along the up-down direction of the whole vehicle, which can further increase the deformation capacity and energy absorption effect of the connecting portion 202 in the event of a collision. In addition, each of the mounting portions 203 is also provided with a weight-reducing structure 2032, which is conducive to the lightweight design of the vehicle-mounted electric appliance mounting bracket 2 on the premise of ensuring the mounting strength of the vehicle-mounted electric appliance.

[0083] In the embodiment, the vehicle-mounted electric appliance mounting points 2031 provided on each of the mounting portions 203, as a feasible implementation manner, each of the vehicle-mounted electric appliance mounting points 2031 includes a mounting hole provided on each of the mounting portions 203, and a welding nut fixed at each of the mounting holes, each of the welding nuts is located on the side of the mounting portion 203 close to the rear floor 1. This design facilitates the secure mounting of the vehicle-mounted electric appliance on the mounting portion 203 through bolts and other connecting members, and the provision of the welding nut can also improve the strength of the mounting point, better ensuring the reliability of the vehicle-mounted electric appliance mounting.

[0084] The rear structure of the vehicle body of the embodiment not only can increase the displacement space of the vehicle-mounted electric appliance when subjected to a collision impact, facilitate the displacement of the vehicle-mounted electric appliance relative to the rear floor 1, and reduce the deformation amount of the vehicle-mounted electric appliance shell, but also can strengthen the overall structural strength of the rear of the vehicle body, and also can enhance the connection reliability between the vehicle-mounted electric appliance mounting bracket 2 and the rear floor 1 by means of the structural strength of the rear floor longitudinal beam 101, and also can effectively disperse the collision force transmitted by the rear floor longitudinal beam 101 by means of the vehicle-mounted electric appliance mounting bracket 2, thereby facilitating the improvement of the anti-deformation capacity and safety of the rear of the vehicle body.

[0085] Embodiment Two

[0086] The present embodiment relates to a vehicle having the rear body structure of embodiment one.

[0087] It is worth mentioning here that the vehicle electrical equipment can include, in addition to the charger, other vehicle electrical equipment components such as a high-voltage distribution box, etc.

[0088] The vehicle of the present embodiment, by adopting the rear body structure of embodiment one, can ensure the connection strength between the vehicle electrical equipment mounting bracket 2 and the rear floor 1, and at the same time, by using the collapse deformation of the connecting portion 202 on the vehicle electrical equipment mounting bracket 2, the displacement of the vehicle electrical equipment can be facilitated when the vehicle electrical equipment is subjected to external collision impact, so as to reduce the deformation amount of the vehicle electrical equipment shell and reduce the risk of damage to the internal elements of the vehicle electrical equipment, thereby facilitating the improvement of the service life of the vehicle electrical equipment.

[0089] Furthermore, when the vehicle electrical equipment is a charger, of course, its displacement is facilitated when the vehicle is rear-impacted, which can reduce the deformation amount of the charger shell and reduce the risk of damage to the internal elements of the charger, thereby facilitating the improvement of the service life of the charger.

[0090] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rear body structure, characterized in that: comprising a rear floor (1), and a vehicle-mounted electrical appliance mounting bracket (2) provided on the rear floor (1); the vehicle-mounted electrical appliance mounting bracket (2) comprises a fixed part (201) connected with the rear floor (1), and a mounting part (203) connected with the fixed part (201) through a connecting part (202); the mounting part (203) is provided with a vehicle-mounted electrical appliance mounting point (2031), the connecting part (202) is at least partially provided upward along the up-down direction of the whole vehicle, and when the mounted vehicle-mounted electrical appliance is subjected to external impact, the connecting part (202) can be deformed by collapsing and make the vehicle-mounted electrical appliance displace relative to the rear floor (1).

2. The rear body structure according to claim 1, characterized in that: the vehicle-mounted electrical appliance mounting bracket (2) is in a "Z" shape, the bottom of the connecting part (202) is connected with the fixed part (201), the mounting part (203) is connected with the top of the connecting part (202), and the mounting part (203) is spaced apart from the rear floor (1).

3. The rear body structure according to claim 2, characterized in that: the fixed part (201), the connecting part (202) and the mounting part (203) are all in a plate structure, and the fixed part (201) is provided with a reinforcing rib (2011), one end of the reinforcing rib (2011) extends from the fixed part (201) to the connecting part (202).

4. The rear body structure according to claim 3, characterized in that: the connecting part (202) is provided in a curved shape in the up-down direction of the whole vehicle, and / or the mounting part (203) is provided with a weight-reducing structure (2032).

5. The rear body structure according to claim 2, characterized in that: the vehicle-mounted electrical appliance mounting point (2031) comprises a mounting hole provided on the mounting part (203), and a welded nut fixed at the mounting hole, the welded nut is located on the side of the mounting part (203) close to the rear floor (1).

6. The rear body structure according to claim 1, characterized in that: the vehicle-mounted electrical appliance mounting bracket (2) extends along the left-right direction of the whole vehicle, and is arranged in two parallel rows in the front-rear direction of the whole vehicle.

7. The rear body structure according to any one of claims 1 to 6, characterized in that: the vehicle-mounted electrical appliance mounting bracket (2) is arranged along the left-right direction of the whole vehicle and above the rear floor (1), and a plurality of rear floor longitudinal beams (101) are provided below the rear floor (1); the vehicle-mounted electrical appliance mounting bracket (2) is arranged in connection with at least one of the rear floor longitudinal beams (101) in the up-down direction of the whole vehicle.

8. A rear body structure, characterized in that: comprising a rear floor (1), and a vehicle-mounted electrical appliance mounting bracket (2) provided above the rear floor (1); ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Each of the vehicle-mounted electric appliance mounting brackets (2) comprises a fixed part (201) connected to the rear floor (1), and a mounting part (203) connected to the fixed part (201) through a connecting part (202), the mounting part (203) is arranged spaced apart from the rear floor (1), a vehicle-mounted electric appliance mounting point (2031) is arranged on the mounting part (203), and when the mounted vehicle-mounted electric appliance is subjected to external impact, the connecting part (202) can collapse and deform, and the vehicle-mounted electric appliance can be displaced relative to the rear floor (1).

9. The rear structure of the vehicle body according to claim 8, characterized in that: The vehicle-mounted electric appliance mounting bracket (2) extends along the left-right direction of the vehicle and is arranged symmetrically about the left-right direction of the vehicle, and the two vehicle-mounted electric appliance mounting brackets (2) are arranged in connection with the rear floor longitudinal beam (101) below the rear floor (1) in the up-down direction of the vehicle.

10. A vehicle, characterized in that: The vehicle has the rear structure of the vehicle body according to any one of claims 1 to 9, and the vehicle-mounted electric appliance comprises a charger.

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