CN212400805U - New energy automobile's back trailing arm reinforcing part - Google Patents
New energy automobile's back trailing arm reinforcing part Download PDFInfo
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- CN212400805U CN212400805U CN202020852788.XU CN202020852788U CN212400805U CN 212400805 U CN212400805 U CN 212400805U CN 202020852788 U CN202020852788 U CN 202020852788U CN 212400805 U CN212400805 U CN 212400805U
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- mounting
- folded edge
- trailing arm
- automobile
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Abstract
The utility model discloses a new energy automobile's back trailing arm strengthening part, include: installing an inner plate and an outer plate; the mounting inner plate and the mounting outer plate are arranged in a laminated mode in the width direction of the automobile body, and the mounting inner plate is closer to the inner side of the automobile than the mounting outer plate, so that the mounting inner plate can be fixedly connected with the power battery pack. A first folding edge is formed at the lower side of the end part of the mounting inner plate close to the threshold beam, and the mounting inner plate is fixedly connected to the upper surface of the threshold beam through the first folding edge; the lower end of the installation outer plate forms a fourth folded edge, the installation outer plate is fixedly connected to the upper surface of the threshold beam through the fourth folded edge, the bottom of the installation outer plate is fixedly connected to a rear longitudinal beam of the automobile, and the upper end of the installation outer plate is fixedly connected with the upper end of the installation inner plate; the structure rigidity of the trailing arm can be enhanced, the upper part, the middle part and the lower part of the rear trailing arm can be supported, and the rigidity and other properties of the rear trailing arm are obviously enhanced.
Description
Technical Field
The utility model relates to an automobile trailing arm installation technical field, in particular to new energy automobile's back trailing arm strengthening part.
Background
The strength of the structure at the mounting position of the rear trailing arm also reflects the performance of NVH (Noise, Harshness, rigidity, Noise transfer function and Vibration transfer function) at the attachment point. A lot of current motorcycle type longerons are narrower, and the mounting panel of trailing arm behind the unable embedded can only adopt external trailing arm structure behind, can't satisfy NVH performance requirements such as higher rigidity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the structural strength of the installation department of the rear trailing arm of the car among the prior art is weaker.
In order to solve the technical problem, the utility model provides a rear trailing arm reinforcing part of a new energy automobile, which is arranged at the intersection part of a rear trailing arm, a rear longitudinal beam and a threshold beam of the automobile; the method comprises the following steps: installing an inner plate and an outer plate; wherein
In the width direction of the automobile body, an installation inner plate and an installation outer plate are arranged in a laminated mode, and the installation inner plate is closer to the inner side of the automobile than the installation outer plate;
a first folding edge is formed at the lower side of the end part of the mounting inner plate close to the threshold beam, and the mounting inner plate is fixedly connected to the upper surface of the threshold beam through the first folding edge;
the lower end of the installation outer plate forms a fourth folded edge, the fourth folded edge of the installation outer plate is fixedly connected to the upper surface of the threshold beam, and the bottom of the installation outer plate is fixedly connected to the upper surface of a rear longitudinal beam of the automobile; wherein
An installation cavity is formed between the installation inner plate and the installation outer plate, and one end of the rear towing arm is fixed in the installation cavity through a connecting piece.
By adopting the technical scheme, the traditional towing arm mounting plate is arranged on the rear longitudinal beam, the towing arm and the longitudinal beam form a convex cantilever structure, and the top and the middle part are not supported, so that the structural performance is weaker. The utility model provides a rear trailing arm reinforcing component which is arranged at the intersection part of a rear trailing arm, a rear longitudinal beam and a threshold beam of an automobile; the method comprises the following steps: installing an inner plate and an outer plate; the mounting inner plate and the mounting outer plate are arranged in a laminated mode in the width direction of the automobile body, and the mounting inner plate is closer to the inner side of the automobile than the mounting outer plate, so that the mounting inner plate can be fixedly connected with the power battery pack.
Furthermore, a first folded edge is formed on the lower side of the end part of the mounting inner plate close to the threshold beam, and the mounting inner plate is fixedly connected to the upper surface of the threshold beam through the first folded edge; the lower end of the installation outer plate forms a fourth folded edge, the installation outer plate is fixedly connected to the upper surface of the threshold beam through the fourth folded edge, the bottom of the installation outer plate is fixedly connected to a rear longitudinal beam of the automobile, and the upper end of the installation outer plate is fixedly connected with the upper end of the installation inner plate; the structural rigidity of the trailing arm can be enhanced, and the problem that the rigidity of the trailing arm in the width direction and the length direction of the vehicle is weak is solved. Sufficient space is provided for rear subframe installation. Therefore, after the rear towing arm is positioned in the mounting cavity, the upper part, the middle part and the lower part of the rear towing arm can be supported, and the rigidity and other properties of the rear towing arm are obviously enhanced.
Furthermore, the upper end of the mounting inner plate is turned over towards the mounting outer plate to form a second folded edge, and a third folded edge is correspondingly formed at the upper end of the mounting outer plate; wherein
The second folded edge and the third folded edge are fixedly attached to fixedly connect the upper end of the mounting outer plate and the upper end of the mounting inner plate together.
Furthermore, a bent part extending along the width direction of the automobile is formed at the end part, close to the threshold beam, of the mounting inner plate, a first folded edge is arranged at the lower end of the bent part, and a second folded edge is arranged at the upper end of the bent part; wherein
The bending directions of the first folding edge and the second folding edge are the same or opposite, and the first folding edge and the second folding edge are both vertical to the vehicle length direction of the vehicle; and is
The second folded edge and the third folded edge are at least partially overlapped and fixedly connected with a battery mounting bracket of an automobile.
Furthermore, at least one first connecting hole is formed on the second folded edge, at least one second connecting hole is correspondingly formed on the third folded edge, and a third connecting hole is formed in the position, corresponding to the first connecting hole and the second connecting hole, on the battery mounting bracket; the connecting piece penetrates through the first connecting hole, the second connecting hole and the third connecting hole so as to fixedly connect the second folding edge, the third folding edge and the battery mounting bracket together.
Further, the first connecting hole, the second connecting hole and the third connecting hole are threaded holes, and the connecting piece is a bolt matched with the threaded holes.
Furthermore, threaded holes are correspondingly formed in the side walls of the two sides of the installation inner plate and the installation outer plate which form the installation cavity, and the rear dragging arm is fixed in the installation cavity through the matching of the threaded connecting piece and the threaded holes.
Further, still include the inside bracing member, inside bracing member joint is in the installation cavity.
Furthermore, the end parts of the installation inner plate and the installation outer plate far away from the doorsill beam are oppositely bent and are fixedly laminated together.
Further, the installation inner plate, the installation outer plate and the internal supporting member are all formed by integrally stamping the section bars.
Further, the first folding edge of the inner mounting plate is fixedly connected to the threshold beam through welding;
the lower end of the mounting outer plate is fixedly connected to a rear longitudinal beam of the automobile through welding;
the second folded edge and the third folded edge are fixedly connected together through welding; and is
The end parts of the installation inner plate and the installation outer plate, which are far away from the threshold beam, are oppositely bent and fixedly connected together through welding.
The utility model has the advantages that:
the utility model provides a rear trailing arm reinforcing component of a new energy automobile, which is arranged at the intersection part of a rear trailing arm, a rear longitudinal beam and a threshold beam of the automobile; the method comprises the following steps: installing an inner plate and an outer plate; the mounting inner plate and the mounting outer plate are arranged in a laminated mode in the width direction of the automobile body, and the mounting inner plate is closer to the inner side of the automobile than the mounting outer plate, so that the mounting inner plate can be fixedly connected with the power battery pack. Furthermore, a first folded edge is formed on the lower side of the end part of the mounting inner plate close to the threshold beam, and the mounting inner plate is fixedly connected to the upper surface of the threshold beam through the first folded edge; the lower end of the installation outer plate is fixedly connected to a rear longitudinal beam of the automobile, and the upper end of the installation outer plate is fixedly connected with the upper end of the installation inner plate; the structural rigidity of the trailing arm can be enhanced, and the problem that the rigidity of the trailing arm in the width direction and the length direction of the vehicle is weak is solved. Sufficient space is provided for rear subframe installation. Therefore, after the rear towing arm is positioned in the mounting cavity, the upper part, the middle part and the lower part of the rear towing arm can be supported, and the rigidity and other properties of the rear towing arm are obviously enhanced.
Drawings
Fig. 1 is a schematic view of a connection assembly between a rear trailing arm reinforcement part and an automobile of a new energy automobile according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the rear trailing arm reinforcement part of the new energy automobile provided by the embodiment of the present invention.
Reference numerals:
10. a rear trailing arm reinforcing component of the new energy automobile; 110. installing an inner plate; 1101. a first folded edge; 1102. a mounting cavity; 1103. a second folded edge; 1103. a first connection hole; 1104. a bending section; 120. installing an outer plate; 1201. thirdly, folding; 1202. a fourth folded edge; 130. a threaded hole; 140. an inner support member;
20. an automobile; 210. a rear stringer; 220. a threshold beam; 230. and a battery mounting bracket.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. 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 set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure 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 the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, 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" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in 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.
Examples
Traditional trailing arm mounting panel is settled on the back longeron, and the trailing arm forms convex cantilever structure with the longeron, and top and middle part do not have the support, so structural performance is less strong. In order to solve the problem that the structural strength of the installation position of the rear trailing arm of the automobile in the prior art is weak, as shown in fig. 1 and fig. 2, the embodiment provides a rear trailing arm reinforcement part 10 of a new energy automobile, wherein the rear trailing arm reinforcement part 10 is arranged at the intersection position of the rear trailing arm, the rear longitudinal beam 210 and the threshold beam 220 of the automobile 20; the method comprises the following steps: an installation inner plate 110 and an installation outer plate 120; wherein, in the width direction of the automobile 20, the mounting inner plate 110 and the mounting outer plate 120 are stacked, so as to be fixedly connected with the power battery pack on the automobile 20.
Also, the mounting inner panel 110 is closer to the vehicle inside than the mounting outer panel 120; a first flange 1101 is formed on the lower side of the end portion of the mounting inner panel 110 close to the rocker beam 220, and the mounting inner panel 110 is fixedly connected to the upper surface of the rocker beam 220 through the first flange 1101; the lower end of the mounting outer panel 120 is fixedly connected to the rear side member 210 of the automobile, and the upper end of the mounting outer panel 120 is fixedly connected to the upper end of the mounting inner panel 110, and further, the lower end of the mounting outer panel 120 forms a fourth folded edge 1202, the mounting outer panel 120 is fixedly connected to the upper surface of the rocker beam 220 by the fourth folded edge 1202, and the bottom of the mounting outer panel 120 is fixedly connected to the upper surface of the rear side member 210 of the automobile 20. The reinforcing component can reinforce the structural rigidity of the trailing arm, thereby solving the problem that the rear trailing arm is weak in rigidity in the vehicle width and length directions. Sufficient space is provided for rear subframe installation.
Further, as shown in fig. 2, a mounting cavity 1102 is formed between the mounting inner plate 110 and the mounting outer plate 120, and one end of the rear trailing arm is fixed in the mounting cavity 1102 through a connector (not shown). Therefore, after the rear trailing arm is positioned in the mounting cavity 1102, the upper part, the middle part and the lower part of the rear trailing arm can be supported, and the rigidity and other properties of the rear trailing arm are obviously enhanced.
Further, as shown in fig. 2, the upper end of the mounting inner panel 110 is folded back toward the mounting outer panel 120 to form a second folded edge 1103, and the upper end of the mounting outer panel 120 is correspondingly formed with a third folded edge 1201; the second folded edge 1103 and the third folded edge 1201 are attached and fixed to fixedly connect the upper end of the outer mounting plate 120 and the upper end of the inner mounting plate 120 together, and the fixedly connected portion is further connected to the battery mounting bracket 230 of the automobile 20, so as to improve the mounting strength of the rear trailing arm after being mounted in the mounting cavity 1102.
Further, as shown in fig. 2, the end of the mounting inner panel 110 near the rocker beam 220 forms a bent portion 1104 extending in the width direction of the automobile 20, the first folded edge 1101 is provided at the lower end of the bent portion 1104, and the second folded edge 1103 is provided at the upper end of the bent portion 1104; the first folded edge 1101 and the second folded edge 1103 have the same or opposite folding directions and are both perpendicular to the length direction of the automobile 20; and the second folded edge 1103 and the third folded edge 1201 are at least partially overlapped and fixedly connected with the battery mounting bracket 230 of the automobile 20, so as to improve the mounting strength of the rear trailing arm after being mounted in the mounting cavity 1102.
Further, as shown in fig. 2, at least one first connection hole 11031 is formed on the second folded edge 1103, at least one second connection hole (not shown in the figure) is correspondingly formed on the third folded edge 1201, and a third connection hole is formed on the battery mounting bracket at a position corresponding to the first connection hole 11031 and the second connection hole; the connecting members extend through the first, second and third connecting holes 11031, 1201 to fixedly connect the second and third flanges 1103, 1201 to the battery mounting bracket 230. Specifically, the first connecting hole 13011, the second connecting hole and the third connecting hole are threaded holes, the connecting member is a bolt matched with the threaded holes, and the connecting member can also be a screw or the like. The number of the first connection holes 11031 and the number of the second connection holes may be 1 as shown in fig. 2, or may be two, specifically selected according to actual needs, and this embodiment is not specifically limited thereto.
Further, as shown in fig. 2, threaded holes 130 are correspondingly formed in the side walls of the mounting inner plate 110 and the mounting outer plate 120 that form the mounting cavity 1102, and the rear trailing arm is fixed in the mounting cavity 1102 through the cooperation of a threaded connector and the threaded holes 130, where the threaded connector may be a bolt or a stud.
Further, as shown in fig. 2, the inner supporting member 140 is further included, and the inner supporting member 140 is snapped in the mounting cavity 1102, so that the rigidity of the mounting inner plate 110 and the mounting outer plate 120 can be further enhanced.
Further, as shown in fig. 2, the mounting inner plate 110 and the mounting outer plate 120 are folded and laminated and fixed together at ends thereof away from the rocker beam 220 so that they can be connected to the battery mounting bracket 230 to improve the strength of the mounting portion of the rear trailing arm.
Further, as shown in fig. 2, the mounting inner plate 110, the mounting outer plate 120 and the internal support member 140 are formed by integrally stamping a profile, so that the processing steps can be saved and the production efficiency can be improved. The specific type of the profile may be 20 steel, or may be other types, which is not specifically limited in this embodiment.
Further, as shown in fig. 2, a first flange 1101 of the mounting inner panel 110 is fixedly attached to the rocker beam 220 by welding; the lower end of the mounting outer panel 120 is fixedly connected to a rear side member 210 of the automobile 20 by welding; the second folded edge 1103 and the third folded edge 1201 are fixedly connected together by welding; and the ends of the inner and outer mounting plates 110 and 120 away from the rocker beam 220 are bent oppositely and fixedly connected together by welding.
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 more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. 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 rear trailing arm reinforcing component of the new energy automobile is characterized in that the rear trailing arm reinforcing component is arranged at the intersection part of a rear trailing arm, a rear longitudinal beam and a threshold beam of the automobile; the method comprises the following steps: installing an inner plate and an outer plate; wherein
The mounting inner panel and the mounting outer panel are arranged in a layered manner in a width direction of the automobile, and the mounting inner panel is closer to the inner side of the automobile than the mounting outer panel;
a first folding edge is formed on the lower side of the end part, close to the threshold beam, of the mounting inner plate, and the mounting inner plate is fixedly connected to the upper surface of the threshold beam through the first folding edge;
the lower end of the installation outer plate forms a fourth folded edge, the installation outer plate is fixedly connected to the upper surface of the threshold beam through the fourth folded edge, the bottom of the installation outer plate is fixedly connected to the upper surface of the rear longitudinal beam of the automobile, and the upper end of the installation outer plate is fixedly connected with the upper end of the installation inner plate; wherein
An installation cavity is formed between the installation inner plate and the installation outer plate, and one end of the rear towing arm is fixed in the installation cavity through a connecting piece.
2. The rear trailing arm reinforcement member for the new energy automobile according to claim 1, wherein an upper end of the mounting inner panel is folded toward the mounting outer panel to form a second fold, and an upper end of the mounting outer panel is correspondingly formed with a third fold; and the second folded edge and the third folded edge are fixedly attached to fixedly connect the upper end of the mounting outer plate and the upper end of the mounting inner plate together.
3. The rear trailing arm reinforcing member for a new energy vehicle according to claim 2, wherein a bent portion extending in a width direction of the vehicle is formed at an end portion of the inner mounting plate adjacent to the rocker beam, the first folded edge is provided at a lower end of the bent portion, and the second folded edge is provided at an upper end of the bent portion; wherein
The bending directions of the first folded edge and the second folded edge are the same or opposite, and the first folded edge and the second folded edge are both perpendicular to the vehicle length direction of the automobile; and is
The second folded edge and the third folded edge are at least partially overlapped and fixedly connected with a battery mounting bracket of the automobile.
4. The rear trailing arm reinforcing member for a new energy vehicle according to claim 3, wherein the second folded edge is formed with at least one first connecting hole, the third folded edge is correspondingly formed with at least one second connecting hole, and the battery mounting bracket is provided with a third connecting hole at a position corresponding to the first connecting hole and the second connecting hole; the connecting piece penetrates through the first connecting hole, the second connecting hole and the third connecting hole so as to fixedly connect the second folded edge, the third folded edge and the battery mounting bracket together.
5. The rear trailing arm reinforcing member for a new energy vehicle according to claim 4, wherein the first connecting hole, the second connecting hole, and the third connecting hole are each a threaded hole, and the connecting member is a bolt that engages with the threaded hole.
6. The rear trailing arm reinforcing component of the new energy vehicle as claimed in claim 5, wherein threaded holes are correspondingly formed in the side walls of the mounting inner plate and the mounting outer plate forming the mounting cavity, and the rear trailing arm is fixed in the mounting cavity through a threaded connector and the threaded holes.
7. The rear trailing arm reinforcement part of the new energy automobile as claimed in claim 6, further comprising an internal support member, wherein the internal support member is clamped in the mounting cavity.
8. The rear trailing arm reinforcement member for the new energy vehicle according to claim 7, wherein the mounting inner panel and the mounting outer panel are folded toward each other at ends thereof remote from the rocker beam and are laminated and fixed together.
9. The rear trailing arm reinforcement of new energy automobile of claim 8, characterized in that, the installation inner panel, the installation outer panel and the internal support component are all integrally formed by stamping with section bar.
10. The rear trailing arm reinforcing member for new energy vehicle according to claim 9, wherein
The first folding edge of the mounting inner plate is fixedly connected to the threshold beam through welding;
the lower end of the mounting outer plate is fixedly connected to a rear longitudinal beam of the automobile through welding;
the second folded edge and the third folded edge are fixedly connected together through welding; and is
The end parts, far away from the threshold beam, of the mounting inner plate and the mounting outer plate are oppositely bent and fixedly connected together through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020852788.XU CN212400805U (en) | 2020-05-20 | 2020-05-20 | New energy automobile's back trailing arm reinforcing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020852788.XU CN212400805U (en) | 2020-05-20 | 2020-05-20 | New energy automobile's back trailing arm reinforcing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212400805U true CN212400805U (en) | 2021-01-26 |
Family
ID=74403391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020852788.XU Active CN212400805U (en) | 2020-05-20 | 2020-05-20 | New energy automobile's back trailing arm reinforcing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212400805U (en) |
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2020
- 2020-05-20 CN CN202020852788.XU patent/CN212400805U/en active Active
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