CN218640963U - A post connection structure and vehicle - Google Patents
A post connection structure and vehicle Download PDFInfo
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- CN218640963U CN218640963U CN202223186467.9U CN202223186467U CN218640963U CN 218640963 U CN218640963 U CN 218640963U CN 202223186467 U CN202223186467 U CN 202223186467U CN 218640963 U CN218640963 U CN 218640963U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 86
- 230000002787 reinforcement Effects 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 16
- 230000004044 response Effects 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The utility model discloses a A post connection structure and vehicle, this A post connection structure includes: the bottom plate is used for connecting the instrument panel stiffening beam; a first side plate disposed on the bottom plate; the second side plate is arranged on the bottom plate, and the second side plate and the first side plate are oppositely arranged in the front-back direction; at least two strengthen the support, at least two strengthen the support and connect with interval from top to bottom between first curb plate with the second curb plate, and all strengthen the support about the size diverse. Therefore, the size difference of the reinforcing support realizes the local strength difference of the two mounting points, so that the frequency avoiding design can be realized, and the vibration response sensitivity is reduced.
Description
Technical Field
The utility model belongs to the technical field of the automotive technology and specifically relates to a A post connection structure and vehicle are related to.
Background
The existing instrument panel stiffening beam is generally in reinforced connection with columns A on two sides of an automobile body, the front portion of a passage in a floor and a front wall plate, the instrument panel stiffening beam is of a tubular beam structure, the weight is large, the connection area with the columns A on two sides of the automobile body is small, the connection strength is poor, the integral rigidity of the instrument panel stiffening beam is weak, and the vibration attenuation is insufficient. The excitation of the power assembly, the cooling system and the running system is transmitted to the vehicle body, so that the steering wheel vibrates greatly, the connection and reinforcement structure of the instrument panel reinforcing beam and the A column is weaker, and the position cannot be well reinforced, so that the requirement of luxury brands on high NVH comfort cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an A post connection structure, this A post connection structure be instrument board stiffening beam and A column connection's additional strengthening, can reduce power assembly, cooling system, the vibration energy that the driving system excitation transmitted steering system to can reduce the vibration level of vehicle steering wheel.
The utility model discloses a vehicle is further proposed.
According to the utility model discloses a A post coupling mechanism of first aspect embodiment, A post coupling mechanism includes: the bottom plate is used for connecting the instrument panel reinforcing beam; a first side plate disposed on the bottom plate; the second side plate is arranged on the bottom plate, and the second side plate and the first side plate are oppositely arranged in the front-back direction; at least two strengthen the support, at least two strengthen the support and connect with interval from top to bottom between first curb plate with the second curb plate, and all strengthen the support about the size diverse.
Therefore, the size difference of the reinforcing bracket realizes the local strength difference of the two mounting points, thereby realizing the frequency avoiding design and reducing the vibration response sensitivity.
In some examples of the present invention, the dimension difference of the reinforcing bracket in the left-right direction is d, and d satisfies the following relation: d is more than or equal to 10mm and less than or equal to 20mm.
In some examples of the present invention, the first side plate is provided with a first reinforcing portion, the second side plate is provided with a second reinforcing portion, and the second reinforcing portion is different from the first reinforcing portion in position and/or shape.
In some examples of the present invention, the first reinforcement is provided at a middle portion of the first side plate in an up-down direction, and the second reinforcement includes: first arc strip, first straight line and the second arc strip of arranging in order on the upper and lower direction, first straight line vertical setting.
In some examples of the present invention, a side edge of the first side plate facing away from the bottom plate is curved; and/or one side edge of the second side plate, which is away from the bottom plate, is curved; and/or the length of the first side plate in the up-down direction is different from the length of the second side plate in the up-down direction; and/or the width of the first side plate in the left-right direction is different from the width of the second side plate in the left-right direction.
In some examples of the present invention, the bottom plate and the first side plate are integrally formed plate-shaped structural members, and a third reinforcing portion in a triangular shape is disposed at a bending portion of the bottom plate and the first side plate; and/or the second side plate is vertically welded on the bottom plate.
In some examples of the invention, the base plate comprises: the first side plate and the second side plate are arranged on the main plate portion, the extending portion is arranged in the middle of the upper direction and the lower direction of the main plate portion and extends in the direction away from the first side plate, and the edge of a transition position between the extending portion and the main plate portion is an arched transition edge.
In some examples of the present invention, at least two fourth reinforced portions corresponding to the arch-shaped transition edges are disposed at the transition between the main plate portion and the extension portion, the fourth reinforced portions are arc-shaped, and the arc lengths of all the fourth reinforced portions are different from each other; and/or a side edge of the extension portion facing away from the main plate portion is curved.
In some examples of the present invention, the reinforcing bracket is provided with a front-rear through mounting hole, the first side plate and the second side plate are both provided with mounting through holes communicating with the mounting hole, and the mounting through holes and the mounting holes together form a mounting channel through which a bolt can pass; and/or the reinforcing bracket is U-shaped and is opened towards the bottom plate.
According to the utility model discloses vehicle of second aspect embodiment includes: an instrument panel reinforcement beam; a column A; in the A-pillar connecting structure, the bottom plate is fixedly connected with the instrument panel reinforcing beam, and the first side plate and the second side plate are fixedly connected with the A-pillar.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view illustrating a connection structure of an a-pillar and an instrument panel reinforcing beam according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an a-pillar connection structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view illustrating a connection between a bottom plate and a first side plate of an a-pillar connection structure according to an embodiment of the present invention;
fig. 4 is a schematic view of the reinforcing brace, the bottom panel, and the first side panel.
Reference numerals are as follows:
100. an A-pillar connection structure;
10. a base plate; 101. a main plate portion; 102. an extension portion;
20. a first side plate; 21. a first mounting through hole; 22. a first reinforcing portion; 23. a curve shape;
30. a second side plate; 31. a second mounting through hole; 32. a second reinforcement portion; 321. a first arc-shaped strip; 322. a first straight line; 323. a second arcuate strip; 33. a third reinforcing portion; 34. an arched transition edge; 35. a fourth reinforcing portion;
40. a reinforcing bracket; 41. mounting holes; 50. an instrument panel reinforcement beam.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
An a-pillar attachment structure 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4, and the a-pillar attachment structure 100 is used to attach the instrument panel reinforcement beam 50 to an a-pillar.
As shown in fig. 1, an a-pillar connection structure 100 according to an embodiment of the present invention includes: a bottom plate 10, a first side plate 20 and a second side plate 30, wherein the bottom plate 10 is used for connecting an instrument panel reinforcing beam 50. The first side plate 20 is arranged on the bottom plate 10, a first mounting through hole 21 and a first reinforcing part 22 are arranged on the first side plate 20, the first mounting through hole 21 and the first reinforcing part 22 are arranged on the first side plate 20 at intervals, the second side plate 30 is arranged on the bottom plate 10, the second side plate 30 and the first side plate 20 are oppositely arranged in the front-back direction, a second mounting through hole 31 and a second reinforcing part 32 are arranged on the second side plate 30, the second mounting through hole 31 and the first mounting through hole 21 are oppositely arranged, an A column can be mounted together, and the positions and/or shapes of the second reinforcing part 32 and the first reinforcing part 22 are different.
Specifically, as shown in fig. 1, the bottom plate 10 in the a-pillar attachment structure 100 serves as a connecting member for connecting the instrument panel reinforcing beam 50, and also provides a space for mounting the a-pillar attachment portion for connecting the instrument panel reinforcing beam 50 to the a-pillar. The bottom plate 10 is provided with a first side plate 20, the first side plate 20 is provided with a first installation through hole 21 and a first reinforcing part 22, and the first installation through hole 21 is convenient to be fixedly connected with the A column. The first mounting through holes 21 and the first reinforcing portions 22 are spaced apart from each other on the first side plate 20, and the first reinforcing portions 22 are provided to improve the strength of the first side plate 20.
In addition, the second side plate 30 is disposed on the bottom plate 10, the second side plate 30 and the first side plate 20 are disposed opposite to each other in the front-rear direction, so that the first side plate 20 and the second side plate 30 can be connected to the a-pillar, the second side plate 30 is provided with a second mounting through hole 31 and a second reinforcing portion 32, the second mounting through hole 31 and the second reinforcing portion 32 are disposed on the second side plate 30 at an interval, the second mounting through hole 31 is disposed opposite to the first mounting through hole 21, and the a-pillar can be mounted together.
The first reinforcement part 22 and the second reinforcement part 32 have different shapes and/or positions, that is, the first reinforcement part 22 and the second reinforcement part 32 may have different shapes, different positions, and different shapes and positions. With this arrangement, when the difference between the modal frequency of the second reinforcing portion 32 on the second side plate 30 and the modal frequency of the first reinforcing portion 22 on the first side plate 20 is within the range of the frequency avoiding condition, the a-pillar connection structure 100 can be further prevented from generating resonance, so that the frequency response of the a-pillar connection structure 100 can be reduced.
Thus, the arrangement of the first side plate 20 and the second side plate 30 on the bottom plate 10 in the a-pillar connection structure 100 can increase the strength of the a-pillar connection structure 100. The first mounting through hole 21 and the first reinforcing part 22 arranged on the first side plate 20, and the second mounting through hole 31 and the second reinforcing part 32 arranged on the second side plate 30 can enable the local strength difference of the mounting part and the reinforcing part in the A-pillar connecting structure 100 to be generated, and the frequency avoiding design can be realized, so that the sensitivity of vibration response can be reduced, the vibration energy transmitted to a steering system by the excitation of a power assembly, a cooling system and a running system can be reduced, and the vibration level of a steering wheel of a vehicle can be reduced.
As shown in fig. 1, 2 and 4, the a-pillar connection structure 100 further includes: strengthen support 40, strengthen support 40 and be two at least, two at least strengthen support 40 interval settings in upper and lower direction, two at least strengthen support 40 and all connect between first curb plate 20 and second curb plate 30 moreover, all strengthen support 40's left and right sides size diverse. That is to say, in the left and right directions, all strengthen the size inequality of support 40, all strengthen support 40 like this and can play the reinforcing effect between first curb plate and second curb plate 30, but also can utilize the inequality form of size to form the intensity difference of mounting point department to can realize avoiding frequently the design, reduce the vibration response sensitivity, can promote the NVH performance of vehicle.
From this, through setting up two at least all inequality enhancement supports 40 of size, can form the intensity difference between first curb plate and second curb plate 30 to can realize keeping away the design frequently, reduce the vibration response sensitivity, can promote the NVH performance of vehicle.
Alternatively, as shown in fig. 4, the difference in the dimension of the at least two reinforcing brackets 40 in the left-right direction is d, and d satisfies the relation: d is more than or equal to 10mm and less than or equal to 20mm. Taking two reinforcing brackets 40 as an example, one length of the two reinforcing brackets 40 may be d1, d1 may be 43mm, the other length may be d2, d2 may be 27mm, the difference d = d1-d2 between the two sizes, d may be more than 10mm, the local strength difference between the first mounting through hole 21 and the second mounting through hole 31 may be realized, and the frequency avoiding design may be realized, so that the sensitivity of the vibration response may be reduced.
Optionally, the reinforcing bracket 40 is provided with a front-rear through mounting hole 41, the first side plate 20 and the second side plate 30 are both provided with mounting through holes communicated with the mounting hole 41, that is, a first mounting through hole 21 and a second mounting through hole 31, and the first mounting through hole 21, the second mounting through hole 31 and the mounting hole 41 together form a mounting channel through which a bolt can pass. Wherein, the bolt is used for connecting the A post, and the installing support 40 that so sets up can surround the bolt periphery through the setting of installation hole 41 to can effectively strengthen the structural strength of bolt periphery, can improve the reliability of being connected of A post connection structure 100 and A post.
Wherein, as shown in fig. 4, the reinforcing bracket 40 has a U-shape, and the reinforcing bracket 40 is opened toward the base plate 10, and the reinforcing bracket 40 surrounds the first and second mounting through- holes 21 and 31. The U-shaped reinforcing brackets 40 are arranged at intervals in the up-down direction, and U-shaped openings formed in the reinforcing brackets 40 can be used as connecting points of the instrument panel reinforcing beam 50 and the A column, so that the instrument panel reinforcing beam 50 can be conveniently connected with the A column. The U-shaped reinforcing bracket 40 and the first side plate 20 and the second side plate 30 further constitute a closed box-shaped reinforcing structure, which can improve the strength of the mounting point position in the X/Y/Z direction, and thus can reduce the sensitivity of vibration transmission.
According to some embodiments of the present invention, as shown in fig. 1, the first side plate 20 and the second side plate 30 are both strip-shaped, and the first side plate 20 and the second side plate 30 extend in the up-down direction, the first reinforcing portion 22 is a plate-shaped reinforcing convex plate, and the second reinforcing portion 32 is a strip-shaped reinforcing convex plate. The first side plate 20 and the second side plate 30 are both long laths, and the first side plate 20 and the second side plate 30 extend in the up-down direction, so that an installation space can be conveniently provided for the a-pillar, and the connection strength of the a-pillar and the a-pillar connection structure 100 can also be increased. The first reinforcing portion 22 of the first side plate 20 is provided as a plate-shaped reinforcing flange, and the reinforcing flange can improve the strength and rigidity of the first side plate 20. The second reinforcing portion 32 of the second side plate 30 is a strip-shaped reinforcing protrusion, and the strength difference can be locally generated on the second side plate 30 due to the arrangement of the reinforcing protrusion, so that the resonance of the second side plate 30 can be effectively avoided, and the vibration response frequency of the second side plate 30 can be reduced.
According to the embodiment of the present invention, as shown in fig. 1 and 2, the first reinforcing portion 22 is disposed at the middle portion of the first side plate 20 in the up-down direction, and the plurality of second reinforcing portions 32 include: the first arc-shaped strip 321, the first straight strip 322 and the second arc-shaped strip 323 are sequentially arranged in the vertical direction, the first straight strip 322 is vertically arranged, and the protruding directions and/or lengths of the first arc-shaped strip 321 and the second arc-shaped strip 323 are different. Specifically, in the up-down direction, the first reinforcing portion 22 is disposed in the middle of the first side plate 20, the first reinforcing portion 22 is configured as a reinforcing flange, the size of the reinforcing flange can be determined according to the first side plate 20, for example, the first side plate 20 is formed by stamping a plate with a thickness of 2mm, the length of the first side plate 20 is set to 157mm, the width is set to 50mm, in order to increase the strength of the middle position of the first side plate 20, the reinforcing flange with a width of 36mm and a length of 49mm is disposed in the middle position, so that the strength of the first side plate 20 can be increased, and the local modal frequency of the middle position of the first side plate 20 can reach 76Hz.
Also, a plurality of second reinforcing parts 32 are provided on the second side plate 30, and the plurality of second reinforcing parts 32 are sequentially arranged in the up-down direction as a first arc-shaped strip 321, a first straight strip 322, and a second arc-shaped strip 323, wherein the length of the first straight strip 322 extends in the up-down direction, the length of the first arc-shaped strip 321 extends in the left-right direction of the second side plate 30, and the length of the second arc-shaped strip 323 extends in the left-right direction of the second side plate 30. The first arc-shaped strip 321 and the second arc-shaped strip 323 have different protruding directions and/or lengths, the protruding directions of the first arc-shaped strip 321 and the second arc-shaped strip 323 can be different, the first arc-shaped strip 321 and the second arc-shaped strip 323 can be arranged to protrude upwards or downwards, and the first arc-shaped strip 321 and the second arc-shaped strip 323 have different lengths. For example, the length of the second side plate 30 is set to 154mm, the width of the second side plate is set to 39mm, in order to increase the strength of the second side plate 30, a reinforcing structure of the first arc-shaped strip 321, the first straight strip 322 and the second arc-shaped strip 323 is designed on the second side plate 30, the depth of the first arc-shaped strip 321, the first straight strip 322 and the second arc-shaped strip 323 is set to 6mm, the local modal frequency of the second side plate 30 can reach 84Hz, the local modal frequency of the middle position of the first side plate 20 is 76Hz, and the structural modal frequency difference between the two is above 3Hz, so that resonance between the first side plate 20 and the second side plate 30 can be effectively avoided, and thus the frequency of vibration response can be reduced.
According to some embodiments of the present invention, as shown in fig. 1, a side edge of the first side panel 20 facing away from the bottom panel 10 is curved 23, and/or a side edge of the second side panel 30 facing away from the bottom panel 10 is curved 23. Wherein, the edge of the first side plate 20 that deviates from the bottom plate 10 or the edge of the second side plate 30 that deviates from the bottom plate 10 can be set to be the curved line 23, and the edge of the first side plate 20 that deviates from the bottom plate 10 and the edge of the second side plate 30 that deviates from the bottom plate 10 can both be set to be the curved line 23, and the curved line 23 can mainly be composed of a straight line and a plurality of curves, and the setting of curved line 23 can utilize the characteristic that the curved line 23 has a large structural strength to promote the edge strength.
According to some embodiments of the present invention, as shown in fig. 3, the bottom plate 10 and the first side plate 20 are integrally formed plate-shaped structural members, the bending portion of the bottom plate 10 and the first side plate 20 is provided with a third reinforcing portion 33 having a triangular shape, and the second side plate 30 is perpendicularly welded on the bottom plate 10. The bottom plate 10 and the first side plate 20 are integrally formed plate-shaped structural members, and the bending of the bottom plate 10 and the bending of the first side plate 20 are easily formed by integral forming, so that the welding cost of the vehicle can be reduced, and the working efficiency can be improved. The third reinforcing parts 33 which are triangular are arranged at the bent parts of the bottom plate 10 and the first side plate 20, the connecting strength of the bottom plate 10 and the first side plate 20 can be increased by the triangular third reinforcing parts 33, and the strength of the weak positions in the middle of the bent parts can be further increased by the third reinforcing parts 33 which are designed in the middle of the bent parts. The second side plate 30 is perpendicularly welded to the base plate 10, which can increase the connection strength between the second side plate 30 and the base plate 10.
According to the embodiment of the present invention, as shown in fig. 1, the length of the first side plate 20 in the up-down direction is different from the length of the second side plate 30 in the up-down direction. And/or the width of the first side panel 20 in the left-right direction and the width of the second side panel 30 in the left-right direction are different. Specifically, the length of the first side plate 20 in the up-down direction may be set to 150mm, the width of the first side plate 20 in the left-right direction may be set to 50mm, the length of the second side plate 30 in the up-down direction may be set to 155mm, and the width of the second side plate 30 in the left-right direction may be set to 50mm. Therefore, the strength difference between the first side plate 20 and the second side plate 30 can be caused, and the vibration frequencies of the first side plate 20 and the second side plate 30 can be different, so that the frequency avoiding design can be realized.
According to some embodiments of the present invention, as shown in fig. 1, the bottom plate 10 includes: the first side plate 20 and the second side plate 30 are disposed on the main plate portion 101, the extending portion 102 extends in a direction away from the first side plate 20 at the middle of the main plate portion 101 in the vertical direction, and the edge of the transition between the extending portion 102 and the main plate portion 101 is an arched transition edge 34. The bottom plate 10 mainly comprises a main plate portion 101 and an extension portion 102, the bottom plate 10 is of a T-shaped structure integrally, an arch transition edge 34 is arranged at the edge of a transition position between the extension portion 102 and the main plate portion 101, and the arch transition edge 34 is located at the upper side and the lower side of the T-shaped structure, so that fatigue damage caused by stress concentration can be avoided. The first side plate 20 and the second side plate 30 are both provided on the main plate portion 101, and the main plate portion 101 provides a bearing capacity and an installation space for the instrument panel reinforcement beam 50 connection and the a-pillar connection. The extending portion 102 extends in a direction away from the first side plate 20 at the middle of the main plate 101 in the vertical direction, so as to facilitate connection and matching with other components.
According to the embodiment of the present invention, as shown in fig. 1 and 2, the transition portion of the main plate portion 101 and the extension portion 102 is provided with at least two fourth reinforced portions 35 corresponding to the arch-shaped transition edge 34, the fourth reinforced portions 35 are arc-shaped, and the arc lengths of all the fourth reinforced portions 35 are different. The side edge of the extension 102 facing away from the main plate 101 is curved 23. Specifically, fourth rib 35 can be the arc strengthening rib, be located the junction of main board portion 101 and extension 102, interval distribution sets up in the upper and lower direction, the arc strip strengthening rib can be protruding muscle and/or concave muscle, can further increase the joint strength of main board portion 101 and extension 102 department, for realizing keeping away frequently the design, fourth rib 35 sets up different length, fourth rib 35 length can be 55mm and 40mm respectively, its length difference sets up more than 10mm, can realize intensity difference and keep away frequently the design. The side edge of the extension part 102 facing away from the main board part 101 is a curved line 23, the curved line 23 is mainly composed of a straight line and a plurality of curved lines, the edge is designed into a curved line 23 structure, and the characteristic of high structural strength of the curved line 23 can be utilized to improve the edge strength.
As shown in fig. 1, according to a vehicle of an embodiment of a second aspect of the present invention, the vehicle includes: the instrument panel reinforcing beam 50, the a-pillar, and the a-pillar attachment structure 100 of the above embodiment, the bottom plate 10 is fixedly connected to the instrument panel reinforcing beam 50, the a-pillar is fixedly connected to the first side plate 20 through the first mounting through hole 21, and is fixedly connected to the second side plate 30 through the second mounting through hole 31. The bottom plate 10 and the instrument panel reinforcing beam 50 can be fixedly connected by welding, the a-pillar is fixedly connected with the first side plate 20 through the first mounting through hole 21, and is fixedly connected with the second side plate 30 through the second mounting through hole 31, so that the instrument panel reinforcing beam 50 can be fixedly connected with the a-pillar through the a-pillar connecting structure 100, and the vibration level of the vehicle steering wheel can be reduced.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An a-pillar connection structure, comprising:
the bottom plate is used for connecting the instrument panel stiffening beam;
a first side plate disposed on the bottom plate; and
the second side plate is arranged on the bottom plate, and the second side plate and the first side plate are oppositely arranged in the front-back direction;
at least two strengthen the support, at least two strengthen the support and connect with interval from top to bottom between first curb plate with the second curb plate, and all strengthen the support about the size diverse.
2. The a-pillar connection structure according to claim 1, wherein the difference in the dimension of at least two of the reinforcing brackets in the left-right direction is d, and d satisfies the relationship: d is more than or equal to 10mm and less than or equal to 20mm.
3. An A-pillar connection according to claim 1, wherein the first side plate is provided with a first reinforcement portion, the second side plate is provided with a second reinforcement portion, and the second reinforcement portion and the first reinforcement portion are different in position and/or shape.
4. The a-pillar connection structure according to claim 3, wherein the first reinforcement portion is provided at a middle portion of the first side plate in the up-down direction, and the plurality of second reinforcement portions include: first arc strip, first straight line and the second arc strip of arranging in order on the upper and lower direction, first straight line vertical setting.
5. The a-pillar connection of claim 1, wherein a side edge of the first side panel facing away from the bottom panel is curvilinear; and/or
The side edge of the second side plate, which is away from the bottom plate, is in a curve shape; and/or
The length of the first side plate in the up-down direction is different from the length of the second side plate in the up-down direction; and/or
The width of the first side plate in the left-right direction is different from the width of the second side plate in the left-right direction.
6. The a-pillar connecting structure according to claim 1, wherein the bottom plate and the first side plate are integrally formed plate-shaped structural members, and a third reinforcing portion having a triangular shape is provided at a bent portion of the bottom plate and the first side plate; and/or
The second side plate is vertically welded on the bottom plate.
7. An a-pillar connection structure according to claim 1, wherein the bottom plate comprises: the first side plate and the second side plate are arranged on the main plate, the extending portion extends in the direction away from the first side plate in the middle of the upper direction and the lower direction of the main plate, and the edge of the transition position between the extending portion and the main plate is an arched transition edge.
8. An A-pillar connection according to claim 7, wherein at least two fourth reinforcing portions corresponding to the arch-shaped transition edges are provided at the transition between the main plate portion and the extension portion, the fourth reinforcing portions are arc-shaped, and the arc lengths of all the fourth reinforcing portions are different from each other; and/or
A side edge of the extension portion facing away from the main plate portion is curved.
9. The A-pillar connecting structure according to claim 1, wherein the reinforcing bracket is provided with a front-rear through mounting hole, the first side plate and the second side plate are both provided with mounting through holes communicated with the mounting holes, and the mounting through holes and the mounting holes together form a mounting channel through which a bolt can pass; and/or
The reinforcing bracket is U-shaped and has an opening facing the bottom plate.
10. A vehicle, characterized by comprising:
an instrument panel reinforcement beam;
a column A;
the a-pillar attachment structure according to any one of claims 1 to 9, wherein the bottom plate is fixedly attached to the instrument panel reinforcement beam, and the first side plate and the second side plate are fixedly attached to the a-pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186467.9U CN218640963U (en) | 2022-11-25 | 2022-11-25 | A post connection structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186467.9U CN218640963U (en) | 2022-11-25 | 2022-11-25 | A post connection structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218640963U true CN218640963U (en) | 2023-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223186467.9U Active CN218640963U (en) | 2022-11-25 | 2022-11-25 | A post connection structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218640963U (en) |
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2022
- 2022-11-25 CN CN202223186467.9U patent/CN218640963U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231124 Address after: No. 888 Rainbow Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215637 Patentee after: Liang Liang Automobile Co.,Ltd. Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: GREAT WALL MOTOR Co.,Ltd. |