CN217048816U - Automobile body rear portion connects and car - Google Patents
Automobile body rear portion connects and car Download PDFInfo
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- CN217048816U CN217048816U CN202220372522.4U CN202220372522U CN217048816U CN 217048816 U CN217048816 U CN 217048816U CN 202220372522 U CN202220372522 U CN 202220372522U CN 217048816 U CN217048816 U CN 217048816U
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Abstract
The utility model discloses an automobile body rear portion connects and car, including connecting the body, it is tee bend column structure to connect the body, it has the three joint end of outstanding setting to connect the body, three joint end is first joint end respectively, second joint end and third joint end, first joint end is used for being connected with the roof beam of car, the second joint end is used for being connected with the top cap back end rail of car, the third joint end is used for being connected with the D post of car, connect body integrated into one piece, the automobile body rear portion connects and still includes strengthening rib subassembly and strengthening plate subassembly, strengthening rib subassembly and strengthening plate subassembly set up respectively in the relative both sides portion of joint body. The stamping process can be reduced through the mode of integrated into one piece, the part quantity is reduced, the production time is shortened, and the reinforcing rib assembly and the reinforcing plate assembly that set up on the automobile body rear portion joint can transmit load effectively according to whole car atress distribution condition, realize a part and replace a plurality of stamping parts when satisfying structural strength.
Description
Technical Field
The utility model relates to an automobile parts technical field, in particular to automobile body rear portion connects and car.
Background
The utility model relates to a rear portion connects specifically for setting up the top connection at car D post, particularly, the utility model relates to a rear portion connects similar three way connection, what connect at the front end direction of rear portion is car roof beam, and what the side was connected is top cap rear end beam, and what the rear end was connected is the D post.
The traditional vehicle body rear connector is realized by adopting a stamping sheet metal structure, is formed by multi-process complex stamping forming of a plurality of parts, is welded and connected with a plurality of stamping parts, and is bonded with peripheral parts through welding or structural adhesive to form a force transmission structure meeting performance requirements. Such an approach has the following problems:
the rear joint of the vehicle body needs to be effectively connected with structures in three directions, the structure is extremely complex, multiple stamping processes are needed to complete production of parts, and meanwhile, the cost of a die required by production is high.
The rear of the car body needs to have a plurality of via holes that need be made on connecting, causes to connect part intensity to reduce, needs additionally to increase the reinforcing plate reinforcement for promoting structural strength, and the singleton is with high costs.
Therefore, the rear joint of the vehicle body in the prior art has the problems of complex structure and high mold cost during production, and the parts after stamping need to be reinforced by additional reinforcing plates, so that the cost is high between units.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the structure is complicated, the mould is with high costs when the automobile body rear portion joint among the prior art exists production to part after the punching press needs to increase extra reinforcing plate reinforcement, leads to a single high in production cost.
For solving the technical problem, the utility model discloses an embodiment discloses an automobile body rear portion connects, including connecting the body, it is tee bend column structure to connect the body, it has the three joint end of outstanding setting to connect the body, three joint end is first joint end respectively, second joint end and third joint end, first joint end is used for being connected with the roof beam of car, the second joint end is used for being connected with the top cap back beam of car, the third joint end is used for being connected with the D post of car, connect body integrated into one piece, automobile body rear portion connects still includes strengthening rib subassembly and reinforcing plate subassembly, strengthening rib subassembly and reinforcing plate subassembly set up respectively in the relative both sides portion of joint body.
By adopting the technical scheme, the rear joint of the automobile body adopts an integrally formed arrangement mode, a plurality of processes required by the original stamping parts can be replaced by casting and other modes, a plurality of sets of dies do not need to be designed, and the die cost is reduced. The rear joint of the vehicle body is structurally optimized, one part replaces a plurality of original stamping parts, and the production cost of a single piece is reduced.
Furthermore, the stamping process can be reduced through the integrated forming mode, the number of parts is reduced, the production time is shortened, the reinforcing rib assembly and the reinforcing plate assembly arranged on the connector at the rear part of the automobile body can effectively transfer load according to the stress distribution condition of the whole automobile, and a part replaces a plurality of stamping parts while the structural strength is met.
The utility model discloses an embodiment still discloses an automobile body rear portion connects, and the strengthening rib subassembly includes many curve strengthening ribs, and many curve strengthening ribs extend the setting along the border position that the automobile body rear portion connects. Wherein:
at least two curved reinforcing ribs in the plurality of curved reinforcing ribs extend from one of the three joint ends to the other two joint ends respectively, and any curved reinforcing rib extends along the circumferential direction of the edge of the joint body and protrudes out of one side part of the joint body.
Adopt above-mentioned technical scheme, through the mode that sets up many curve strengthening ribs, the effect of the power dispersion when the atress between the different joint ends that improves the automobile body rear portion joint, also when arbitrary joint end receives the effort, can transmit other two joints through the dispersion of curve strengthening rib and serve, the realization disperses the atress transmission of a tip to two tip, it is destroyed to avoid the automobile body rear portion joint to receive stress concentration, and set up the curve strengthening rib and also can improve the holistic intensity of automobile body rear portion joint, thereby prolong the life that the automobile body rear portion connects.
The utility model discloses an embodiment still discloses an automobile body rear portion connects, and many curve strengthening ribs include three curve strengthening ribs, and three curve strengthening ribs are first strengthening rib, second strengthening rib and third strengthening rib respectively, and first strengthening rib, second strengthening rib and third strengthening rib set up in a side portion and the dispersed arrangement of connecting the body.
The first reinforcing rib is arc-shaped, and two ends of the first reinforcing rib are respectively arranged on the first joint end and the second joint end and extend towards the second joint end along the first joint end;
the second reinforcing rib is arc-shaped, and two ends of the second reinforcing rib are respectively arranged on the second joint end and the third joint end and extend towards the third joint end along the second joint end;
the third strengthening rib also is the arc, and the both ends of third strengthening rib set up respectively on third joint end and first joint end to along the position of third joint end towards the position extension setting of first joint end.
By adopting the technical scheme, the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are respectively arranged between the three joint ends, the reinforcing ribs are arranged between any two joint ends, the structure is complete, the trend of the reinforcing ribs is the same as the load transmission direction, and the reinforcing ribs are favorable for reinforcing the integral strength of the joints at the rear part of the vehicle body and dispersing the stress.
The utility model discloses an implementation mode also discloses a vehicle body rear part joint, the reinforcing rib component also comprises a triangular reinforcing rib which is arranged in the middle of one side part of the joint body; wherein the content of the first and second substances,
the triangular reinforcing rib is formed by three reinforcing ribs in a lap joint mode and is triangular, and three vertexes of the triangular reinforcing rib are connected with the first reinforcing rib, the second reinforcing rib and the third reinforcing rib respectively.
By adopting the technical scheme, the triangular reinforcing ribs can improve the strength of the middle part of the joint at the rear part of the vehicle body, and can also transmit and disperse force to the first reinforcing ribs, the second reinforcing ribs and the third reinforcing ribs.
The embodiment of the utility model also discloses a rear part joint of the car body, the reinforcing plate component is arranged on the other side part of the joint body which is far away from the reinforcing rib component, the reinforcing plate component comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, wherein,
the first reinforcing plate is arranged on the first joint end near the end part and extends along the width direction of the first joint end;
the second reinforcing plate is arranged on the second joint end close to the end part and extends along the width direction of the second joint end;
the third reinforcing plate is provided at a position near the end portion of the third joint end, and extends in the width direction of the third joint end.
Adopt above-mentioned technical scheme, set up first reinforcing plate, second reinforcing plate and third reinforcing plate, can improve the intensity of the three link that the automobile body rear portion connects to prevent that the automobile body rear portion from connecting the too big quilt of atress when using and destroyed, improve the life that the automobile body rear portion connects.
The utility model discloses an implementation mode also discloses a vehicle body rear joint, two ends of the first reinforcing plate extend to the edge position of the first joint end in the width direction; both ends of the second reinforcing plate extend to the edge positions in the width direction of the second joint end; both ends of the third reinforcing plate extend to widthwise edge positions of the third joint end.
By adopting the technical scheme, the connecting parts of the first joint end, the second joint end and the third joint end can be reinforced, and stress concentration or damage caused by overlarge stress is avoided.
The utility model discloses an embodiment still discloses an automobile body rear portion connects, and the thickness that connects the middle part of body is greater than the thickness of first joint end, second joint end and third joint end.
The utility model discloses an embodiment still discloses an automobile body rear portion connects, still is provided with a plurality of lightening holes on connecting the body.
By adopting the technical scheme, the connector at the rear part of the vehicle body is designed with unequal wall thickness, and the lightening holes are also formed, so that the structural strength is met, reasonable lightening is realized, and the light weight of the vehicle body is realized.
The utility model discloses an embodiment still discloses an automobile, including the automobile body rear portion of above-mentioned arbitrary one connect.
The utility model discloses an embodiment has still disclosed a car, and the first joint end that the automobile body rear portion connects passes through spot welding with the roof beam of car to be connected, and the second joint end passes through spot welding with the top cap rear end rail of car to be connected, and the third joint end passes through spot welding with the D post of car to be connected.
By adopting the technical scheme, the connection strength of the connection part can be improved by connecting in a spot welding manner, the service life is prolonged, and the requirement of using the joint at the rear part of the automobile body on an automobile is met.
The beneficial effects of the utility model are that:
the utility model provides an automobile body rear portion connects, including connecting body, strengthening rib subassembly and reinforcing plate subassembly, wherein connect the body and be tee bend column structure to through cast mode integrated into one piece, replace original required a plurality of processes of punching press part through modes such as casting, do not need to design many sets of moulds, reduce the mould cost. And the reinforcing rib assembly and the reinforcing plate assembly arranged on the joint at the rear part of the vehicle body can effectively transfer load according to the stress distribution condition of the whole vehicle, so that one part replaces a plurality of stamping parts while the structural strength is met.
And adopt the mode that sets up many curve strengthening ribs, the effect of the power dispersion when the atress between the different joint ends of improvement automobile body rear portion joint, the atress is even, when also arbitrary joint end receives the effort, can be served through other two joints through curve strengthening rib dispersion transmission, realizes transmitting the atress of a tip dispersion to two tip to curve strengthening rib's trend is arranged along load transmission route, avoids automobile body rear portion joint to receive stress concentration and is destroyed.
Drawings
Fig. 1 is a schematic structural view of a rear vehicle body joint provided by an embodiment of the present invention in use;
fig. 2 is a schematic structural view of a side portion of the rear body joint provided with the reinforcing rib assembly according to the embodiment of the present invention;
fig. 3 is a schematic structural view of another side portion of the rear body joint provided with the reinforcing plate assembly according to an embodiment of the present invention.
Description of the reference numerals:
100. a connector body;
110. a first joint end; 120. a second joint end; 130. a third joint end; 140. lightening holes; 150. the other side part;
200. a stiffener assembly;
210. a first reinforcing rib; 220. a second reinforcing rib; 230. a third reinforcing rib; 240. triangular reinforcing ribs;
300. a reinforcing plate assembly;
310. a first reinforcing plate; 320. a second reinforcing plate; 330. and a third reinforcing plate.
Detailed Description
The following description is given for illustrative embodiments of the invention, and other advantages and effects of the invention will be apparent to those skilled in the art from the disclosure of the present invention. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are included to provide a thorough understanding of the invention. The invention may be practiced without these particulars. Moreover, some of the specific details are omitted from the description so as not to obscure or obscure the focus of the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present invention is usually placed when the present invention is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the present embodiment can be understood as specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the embodiment discloses a rear vehicle body joint, as shown in fig. 1-3, which includes a joint body 100, the joint body 100 is a three-way structure, the joint body 100 has three joint ends protruding, the three joint ends are a first joint end 110, a second joint end 120 and a third joint end 130 respectively, the first joint end 110 is used for being connected with a roof rail of a vehicle, the second joint end 120 is used for being connected with a roof rear cross beam of the vehicle, the third joint end 130 is used for being connected with a D-pillar of the vehicle, the joint body 100 is integrally formed, the rear vehicle body joint further includes a reinforcing rib assembly 200 and a reinforcing plate assembly 300, and the reinforcing rib assembly 200 and the reinforcing plate assembly 300 are respectively arranged on two opposite side portions of the joint body 100.
It should be noted that, in the present embodiment, after the rear body joint is mounted on the rear of the vehicle, the reinforcing bar assembly 200 and the reinforcing plate assembly 300 are disposed inside the main body component, the rear body joint is not visible after the vehicle is welded, and the reinforcing bar assembly 200 is located at the back of the rear body joint in fig. 1, and for the convenience of understanding, the reinforcing plate assembly 300 in fig. 1 is shown by a dashed box.
Further, in order to facilitate understanding, fig. 2 is a schematic view of the reinforcing bar assembly 200 disposed on one side of the coupling body 100, and fig. 3 is a schematic view of the reinforcing plate assembly 300 disposed on the other side of the coupling body 100, and it should be noted that, in the present embodiment, the structure and shape of the side portion where the reinforcing bar assembly 200 is disposed and the structure and shape of the other side portion 150 where the reinforcing plate assembly 300 is disposed are the same. As shown in fig. 2 and 3, other structures of the opposite side portions of the joint body 100 may be the same or different by those skilled in the art, and this embodiment is not particularly limited thereto.
More specifically, in the present embodiment, the joint body 100 may be integrally formed by casting, stamping, forging, etc. which are commonly used by those skilled in the art, and the present embodiment is not limited thereto. When a plurality of processes required by the original stamping part are replaced by casting and other modes, a plurality of sets of dies do not need to be designed, and the die cost is reduced. The rear joint of the vehicle body is structurally optimized, one part replaces a plurality of original stamping parts, and the cost of a single piece is reduced.
More specifically, in this embodiment, the stamping process can be reduced through integrated into one piece's mode, reduce part quantity to reduce production time, and the strengthening rib subassembly 200 and the strengthening plate subassembly 300 that set up on the automobile body rear portion joint can transmit load according to whole car atress distribution condition effectively, realize that a part replaces a plurality of stamping workpiece when satisfying structural strength. And the reinforcing rib assembly 200 and the reinforcing plate assembly 300 are respectively arranged at both side parts of the joint body 100, so that the distribution of the joint at the rear part of the vehicle body is more uniform while the structural strength is improved.
The embodiment of the embodiment also discloses a rear vehicle body joint, and the reinforcing rib assembly 200 comprises a plurality of curved reinforcing ribs which extend along the edge position of the rear vehicle body joint. Wherein:
at least two curved reinforcing ribs of the plurality of curved reinforcing ribs extend from one of the three joint ends to the other two joint ends respectively, and any curved reinforcing rib extends along the circumferential direction of the edge of the joint body 100 and protrudes out of one side part of the joint body 100.
Specifically, in this embodiment, when the curved reinforcing rib extends from one joint end to the other two joint ends, 1, 2, 3 or other numbers of reinforcing ribs may be disposed on the same side, which is not specifically limited in this embodiment.
More specifically, in this embodiment, as shown in fig. 2, by providing a plurality of curved reinforcing ribs, the effect of force dispersion when a force is applied between different joint ends of the joint at the rear portion of the vehicle body is improved, that is, when any one joint end is applied with an acting force, the force is dispersed and transmitted to two other joint ends through the curved reinforcing ribs, so that the force is transmitted and dispersed to two end portions at one end portion, the joint at the rear portion of the vehicle body is prevented from being damaged by stress concentration, and the strength of the whole joint at the rear portion of the vehicle body can be improved by providing the curved reinforcing ribs, thereby prolonging the service life of the joint at the rear portion of the vehicle body.
More specifically, in the present embodiment, the plurality of curved reinforcing ribs are provided to improve the force dispersion effect when a force is applied between different joint ends of the joint at the rear of the vehicle body, and also to disperse the force applied to the member connected to the corresponding joint end, thereby preventing the member connected to the joint end from being damaged due to an excessive load.
The embodiment of the present embodiment further discloses a rear body joint, as shown in fig. 2, the plurality of curved reinforcing ribs include three curved reinforcing ribs, the three curved reinforcing ribs are a first reinforcing rib 210, a second reinforcing rib 220 and a third reinforcing rib 230, respectively, and the first reinforcing rib 210, the second reinforcing rib 220 and the third reinforcing rib 230 are disposed at one side portion of the joint body 100 and are arranged in a dispersed manner.
The first reinforcing rib 210 is arc-shaped, and two ends of the first reinforcing rib 210 are respectively arranged on the first joint end 110 and the second joint end 120 and extend along the position of the first joint end 110 towards the position of the second joint end 120;
the second reinforcing rib 220 is arc-shaped, and two ends of the second reinforcing rib 220 are respectively arranged on the second joint end 120 and the third joint end 130 and extend along the position of the second joint end 120 towards the position of the third joint end 130;
the third reinforcing rib 230 is also arc-shaped, and both ends of the third reinforcing rib 230 are respectively disposed on the third coupling end 130 and the first coupling end 110, and are extended along the position of the third coupling end 130 toward the position of the first coupling end 110.
Specifically, in this embodiment, the first reinforcing rib 210, the second reinforcing rib 220 and the third reinforcing rib 230 are respectively arranged between the three joint ends, so that it is ensured that the reinforcing ribs are arranged between any two joint ends, the structure is complete, the trend of the reinforcing ribs is the same as the load transmission direction, and the reinforcing ribs are favorable for reinforcing the overall strength of the joint at the rear part of the vehicle body and dispersing stress.
More specifically, in the present embodiment, as shown in fig. 2, reinforcing ribs are disposed between each of the first joint end 110, the second joint end 120, and the third joint end 130 for force transmission dispersion, taking the working state after the specific installation as an example:
as shown in fig. 1 and 2, the second joint end 120 is connected to the rear roof cross beam of the vehicle, and when the rear roof cross beam of the vehicle is subjected to a large load or the stress at the connection portion of the rear roof cross beam and the second joint end 120 is too concentrated, the stress load at the rear roof cross beam and the second joint end 120 is dispersed to the first joint end 110 and the third joint end 130 through the curved reinforcing ribs from the direction of the black arrows, and then the stress load is transmitted through the first joint end 110 and the third joint end 130, so that the stress concentration and damage of the second joint end 120 and the rear roof cross beam and the connection portion are avoided.
As shown in fig. 1 and 2, the first joint end 110 is connected to a roof side rail of an automobile, and when the roof side rail of the automobile is subjected to a large load or stress at a connection portion of the roof side rail and the first joint end 110 is too concentrated, the stress load at the first joint end 110 is dispersed from the first joint end 110 to the second joint end 120 and the third joint end 130 along a curved rib and a tee-shaped structure, and then the stress load is transmitted through the second joint end 120 and the third joint end 130, so that the first joint end 110, the roof side rail and the connection portion are prevented from being damaged due to stress concentration.
As shown in fig. 1 and 2, the third joint end 130 is connected to the D-pillar of the vehicle, when the D-pillar of the vehicle is subjected to a large load, or the stress at the connection portion between the D-pillar and the third joint end 130 is too concentrated, the stress load at the third joint end 130 is dispersed from the third joint end 130 to the second joint end 120 and the first joint end 110 along the curved rib and the three-way structure, and then the stress load is transmitted through the second joint end 120 and the first joint end 110, so that the stress concentration at the third joint end 130, the D-pillar and the connection portion is prevented from being damaged, and the structures such as an engine compartment cover at the lower portion of the D-pillar can be indirectly protected.
The embodiment of the present embodiment also discloses a rear body coupling, as shown in fig. 2, the reinforcing rib assembly 200 further includes a triangular reinforcing rib 240, the triangular reinforcing rib 240 being disposed at a middle portion of one side portion of the coupling body 100; wherein the content of the first and second substances,
the triangular reinforcing bead 240 is overlapped by three reinforcing beads and has a triangular shape, and three vertexes of the triangular reinforcing bead 240 are connected to the first reinforcing bead 210, the second reinforcing bead 220, and the third reinforcing bead 230, respectively.
Specifically, in the present embodiment, the triangular bead 240 can improve the strength of the middle portion of the rear joint of the vehicle body, and can transmit and disperse the force to and from the first bead 210, the second bead 220, and the third bead 230. The position and size of the triangular reinforcing rib 240 can be adjusted according to the actual arrangement, which is not specifically limited in this embodiment.
The embodiment of the present embodiment also discloses a rear body joint, as shown in fig. 3, a reinforcing plate assembly 300 is disposed on the other side 150 of the joint body 100 facing away from the reinforcing bar assembly 200, the reinforcing plate assembly 300 includes a first reinforcing plate 310, a second reinforcing plate 320 and a third reinforcing plate 330, wherein:
the first reinforcing plate 310 is disposed on the first joint end 110 at a position close to the end portion, and extends along the width direction of the first joint end 110;
the second reinforcing plate 320 is disposed on the second joint end 120 at a position close to the end portion, and extends in the width direction of the second joint end 120;
the third reinforcing plate 330 is disposed on the third joint end 130 at a position close to the end portion, and extends in the width direction of the third joint end 130.
Specifically, in this embodiment, the first reinforcing plate 310, the second reinforcing plate 320, and the third reinforcing plate 330 are provided, so that the structural strength of three connecting ends of the rear vehicle body joint can be improved, thereby preventing the rear vehicle body joint from being damaged due to an excessive stress when the rear vehicle body joint is used, and prolonging the service life of the rear vehicle body joint.
More specifically, in this embodiment, the first reinforcing plate 310, the second reinforcing plate 320, and the third reinforcing plate 330 may be integrally formed with the joint body 100 during production and manufacturing, or corresponding reinforcing plates may be additionally arranged on the joint body 100, and the widths of the reinforcing plates may be set according to actual requirements, which is not specifically limited in this embodiment.
The embodiment of the present embodiment also discloses a vehicle body rear joint, both ends of the first reinforcement plate 310 extend to the widthwise edge positions of the first joint end 110; both ends of the second reinforcing plate 320 extend to widthwise edge positions of the second joint end 120; both ends of the third reinforcing plate 330 extend to widthwise edge positions of the third joint end 130.
Specifically, in the present embodiment, the connection portions of the first joint end 110, the second joint end 120, and the third joint end 130 can be reinforced, so as to avoid stress concentration or damage caused by excessive stress.
Embodiments of the present embodiment also disclose a rear body joint in which the thickness of the middle portion of the joint body 100 is greater than the thickness of the first joint end 110, the second joint end 120, and the third joint end 130.
Specifically, in the present embodiment, the thickness of the middle portion of the joint body 100 may be 3mm, 5mm, 8mm or other thicknesses greater than the thicknesses of the first joint end 110, the second joint end 120 and the third joint end 130, for example, the thickness of the middle portion of the joint body 100 may be set to 20mm, and the thicknesses of the first joint end 110, the second joint end 120 and the third joint end 130 may be set to 17mm, 15mm, 12mm or other thicknesses, which is not specifically limited in this embodiment.
More specifically, in this embodiment, the thicker portion in the middle of the joint body 100 may be a portion where the oval frame is located as in fig. 3, or a portion that is larger than or smaller than the oval frame, which is not specifically limited in this embodiment.
The utility model discloses an embodiment still discloses a car body rear portion connects, still is provided with a plurality of lightening holes 140 on connecting body 100.
Specifically, in this embodiment, the connectors at the rear of the vehicle body are designed with unequal wall thicknesses, and weight-reducing holes 140 are further provided, so that not only is the structural strength satisfied, but also reasonable weight reduction is realized, and the light weight of the vehicle body is realized.
An embodiment of the embodiment also discloses an automobile, which comprises the automobile body rear joint.
The embodiment of the embodiment also discloses an automobile, wherein the first joint end 110 of the joint at the rear part of the automobile body is connected with the roof side rail of the automobile through spot welding, the second joint end 120 is connected with the rear cross beam of the top cover of the automobile through spot welding, and the third joint end 130 is connected with the D column of the automobile through spot welding.
Specifically, in the embodiment, the connection is performed by spot welding, so that the connection strength of the connection part can be improved, the service life is prolonged, and the purpose that the joint is used on the automobile at the rear part of the automobile body is met.
To sum up, the utility model provides a vehicle body rear portion connects, including connecting body 100, strengthening rib subassembly 200 and strengthening rib subassembly 300, wherein connect body 100 to be tee bend column structure to through cast mode integrated into one piece, replace original required a plurality of processes of punching press part through modes such as for example casting, need not design many sets of moulds, reduce the mould cost. And the reinforcing rib assembly 200 and the reinforcing plate assembly 300 arranged on the joint at the rear part of the vehicle body can effectively transfer load according to the stress distribution condition of the whole vehicle, thereby realizing that one part replaces a plurality of stamping parts while meeting the structural strength.
And adopt the mode that sets up many curved reinforcement, the effect of the power dispersion when the atress between the different connector ends of improvement automobile body rear portion joint, also when arbitrary connector end receives the effort, can be served through other two joints of curved reinforcement dispersion transmission, realize dispersing the atress transmission of a tip to two tip to curved reinforcement's trend is arranged along load transmission route, avoids automobile body rear portion joint to receive stress concentration and is destroyed.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the invention, and it is not intended to limit the invention to the specific embodiments described. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an automobile body rear portion connects, includes and connects the body, it is tee bend column structure to connect the body, it has the three joint end of outstanding setting to connect the body, three joint end is first joint end, second joint end and third joint end respectively, first joint end is used for being connected with the roof beam of car, the second joint end is used for being connected with the top cap back beam of car, the third joint end is used for being connected its characterized in that with the D post of car:
the connector body is integrally formed, the connector at the rear part of the vehicle body further comprises a reinforcing rib assembly and a reinforcing plate assembly, and the reinforcing rib assembly and the reinforcing plate assembly are respectively arranged at two opposite side parts of the connector body.
2. The rear body joint of claim 1, wherein said reinforcing rib assembly includes a plurality of curved reinforcing ribs extending along an edge position of said rear body joint; wherein, the first and the second end of the pipe are connected with each other,
at least two curved reinforcing ribs of the plurality of curved reinforcing ribs extend from one of the three joint ends to the other two joint ends respectively, and any curved reinforcing rib extends along the circumferential direction of the edge of the joint body and protrudes out of one side part of the joint body.
3. The vehicle body rear part joint according to claim 2, wherein the plurality of curved reinforcing ribs include three curved reinforcing ribs, which are a first reinforcing rib, a second reinforcing rib, and a third reinforcing rib, respectively, and the first reinforcing rib, the second reinforcing rib, and the third reinforcing rib are provided at one side portion of the joint body and are arranged in a dispersed manner, wherein,
the first reinforcing rib is arc-shaped, and two ends of the first reinforcing rib are respectively arranged on the first joint end and the second joint end and extend towards the second joint end along the first joint end;
the second reinforcing rib is arc-shaped, and two ends of the second reinforcing rib are respectively arranged on the second joint end and the third joint end and extend towards the third joint end along the second joint end;
the third strengthening rib also is the arc, the both ends of third strengthening rib set up respectively the third connects the end with on the first joint end, and follow the position orientation of third joint end the position extension setting of first joint end.
4. The rear vehicle body joint according to claim 3, wherein said reinforcing rib assembly further comprises a triangular reinforcing rib provided in the middle of one side portion of said joint body; wherein, the first and the second end of the pipe are connected with each other,
the triangular reinforcing rib is formed by three reinforcing ribs in a lap joint mode and is triangular, and three vertexes of the triangular reinforcing rib are connected with the first reinforcing rib, the second reinforcing rib and the third reinforcing rib respectively.
5. The rear body joint of claim 1, wherein the stiffener plate assembly is disposed on another side of the joint body facing away from the stiffener assembly, the stiffener plate assembly including a first stiffener plate, a second stiffener plate, and a third stiffener plate, wherein,
the first reinforcing plate is arranged on the first joint end near the end part and extends along the width direction of the first joint end;
the second reinforcing plate is arranged on the second joint end near the end part and extends along the width direction of the second joint end;
the third reinforcing plate is provided at a position near the end portion of the third joint end, and extends in the width direction of the third joint end.
6. The vehicle body rear joint as set forth in claim 5, wherein both ends of said first reinforcing plate extend to widthwise edge positions of said first joint end; both ends of the second reinforcing plate extend to widthwise edge positions of the second joint end; both ends of the third reinforcing plate extend to widthwise edge positions of the third joint end.
7. The rear vehicle body joint according to any one of claims 1 to 6, wherein a thickness of a middle portion of the joint body is larger than thicknesses of the first joint end, the second joint end, and the third joint end.
8. The vehicle body rear joint as claimed in claim 7, wherein said joint body is further provided with a plurality of lightening holes.
9. An automobile, characterized by comprising a rear body joint according to any one of claims 1 to 8.
10. The vehicle of claim 9, wherein said first joint end of said rear body joint is spot welded to said roof rail of said vehicle, said second joint end is spot welded to said rear roof rail of said vehicle, and said third joint end is spot welded to said D-pillar of said vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372522.4U CN217048816U (en) | 2022-02-23 | 2022-02-23 | Automobile body rear portion connects and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220372522.4U CN217048816U (en) | 2022-02-23 | 2022-02-23 | Automobile body rear portion connects and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217048816U true CN217048816U (en) | 2022-07-26 |
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ID=82487265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220372522.4U Active CN217048816U (en) | 2022-02-23 | 2022-02-23 | Automobile body rear portion connects and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217048816U (en) |
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2022
- 2022-02-23 CN CN202220372522.4U patent/CN217048816U/en active Active
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