CN214296161U - C post lower joint structure - Google Patents
C post lower joint structure Download PDFInfo
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- CN214296161U CN214296161U CN202023276439.7U CN202023276439U CN214296161U CN 214296161 U CN214296161 U CN 214296161U CN 202023276439 U CN202023276439 U CN 202023276439U CN 214296161 U CN214296161 U CN 214296161U
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- plate
- reinforcing plate
- threshold
- threshold planking
- planking
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 53
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 206010016256 fatigue Diseases 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a C post lower clutch structure, including back side wall inner panel and threshold planking seam piece, wherein, threshold planking seam piece includes threshold planking reinforcing plate and threshold planking reinforcing plate extension board, the one end of threshold planking reinforcing plate is connected with the one end of threshold planking reinforcing plate extension board, one side of threshold planking reinforcing plate extension board in the disconnection department upwards prolong behind the turn-ups through a plurality of bolts with back side wall inner panel is connected. The utility model provides an among the prior art vehicle side bump the post and bump the back intrusion volume big, to the not enough problem of battery protection to and the big problem of C post lower clutch solder joint stress.
Description
Technical Field
The utility model relates to a technical field is made to the vehicle, in particular to C post lower clutch structure.
Background
The C post lower joint generally comprises parts such as a C post reinforcing plate 1, a rear side wall inner plate 2, a threshold reinforcing plate 3, a wheel cover outer plate 4 and the like, is an important stress structure of an automobile body, particularly has higher requirements on the rigidity and the strength of an electric vehicle with higher requirements on battery protection, and has the following problems in the existing structure at present:
(1) the size of a cavity at the corner of a door frame at the lower end of a common C-shaped column is mostly large from top to bottom and small in the middle under the influence of arrangement of a door opening and tires, and when a vehicle is subjected to side collision/column collision, the intrusion amount is large due to the small middle cavity, so that the safety of a battery/passenger is influenced;
(2) the rear end of the reinforcing plate of the outer plate of the threshold is disconnected/cut off at the round corner of the door frame, the end is not closed, the force transmission path is poor, the peripheral welding spots are easy to generate stress concentration, and the risk of fatigue cracking is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a C post lower clutch structure, and it is big to aim at solving among the prior art vehicle side and bumping the post and bump the back invasion volume, to the not enough problem of battery protection to and the big problem of C post lower clutch solder joint stress.
In order to realize the above-mentioned purpose, the utility model provides a C post lower clutch structure, including back side wall inner panel and threshold planking seam piece, wherein, threshold planking seam piece includes threshold planking reinforcing plate and threshold planking reinforcing plate extension board, the one end of threshold planking reinforcing plate is connected with the one end of threshold planking reinforcing plate extension board, one side of threshold planking reinforcing plate extension board in disconnection department upwards prolong behind the turn-ups through a plurality of bolts with back side wall inner panel connection.
The utility model discloses a further technical scheme is, C post lower clutch structure still includes the wheel casing planking, the other end of threshold planking reinforcing plate extension board with the wheel casing planking is connected, wheel casing planking, back side wall inner panel with threshold planking reinforcing plate extension board encloses into closed cavity structures.
The utility model discloses a further technical scheme is, the other end of threshold planking reinforcing plate extension board with the wheel casing planking is connected through a plurality of solder joints.
The utility model discloses a further technical scheme is, the other end of threshold planking reinforcing plate extension board with the wheel casing planking is still through strengthening bolted connection.
The utility model discloses a further technical scheme is, the other end of threshold planking reinforcing plate extension board has the recess, the bottom card of wheel casing planking is located in the recess.
The utility model discloses C post lower clutch structure's beneficial effect is:
1. the rigidity is improved, and meanwhile, the utilization rate of part materials is improved and the cost is reduced through the split design of the reinforcing plate of the outer plate of the threshold;
2. the rigidity of the lower joint of the C column is improved, the deformation under the side collision/column collision working condition is reduced, and the safety of passengers and batteries is effectively protected;
3. the force transfer path is optimized, the welding spot stress at the lower fillet of the door frame is reduced, and the fatigue cracking risk is reduced;
4. the threshold adopts the closed sheet metal structure to form an independent cavity, so that dust and road noise are prevented from being transmitted into the vehicle from the cavity, an isolating block is not required to be additionally arranged, and the dust isolation and noise prevention are realized while the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a lower joint of a C column in the prior art;
FIG. 2 is a schematic structural view of a C-pillar reinforcement plate in the prior art;
FIG. 3 is a schematic structural view of a quarter inner panel in the prior art;
FIG. 4 is a schematic view of a prior art sill reinforcing plate;
FIG. 5 is a schematic structural view of an outer plate of a wheel house according to the prior art;
FIG. 6 is another schematic view of a prior art C-pillar lower joint;
FIG. 7 is a schematic structural view of a preferred embodiment of the C-pillar lower joint structure of the present invention without a C-pillar reinforcing plate;
FIG. 8 is a schematic structural view of a welded part of an outer plate of a doorsill in a preferred embodiment of a C-pillar lower joint structure of the present invention;
FIG. 9 is a schematic structural view of a rocker outer panel reinforcement in the rocker outer panel seam;
FIG. 10 is a schematic view of a sill outer panel reinforcement extension panel in the sill outer panel seam;
FIG. 11 is a schematic structural view of a rear side panel in a preferred embodiment of the C-pillar lower joint structure of the present invention;
FIG. 12 is a schematic structural view of a wheel cover outer plate in a preferred embodiment of the C-pillar lower joint structure of the present invention;
FIG. 13 is a schematic structural view of a C-pillar reinforcement plate according to a preferred embodiment of the C-pillar lower joint structure of the present invention;
fig. 14 is a schematic structural view of a C-pillar reinforcement plate in a preferred embodiment of the C-pillar lower joint structure of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 7 to 14, the utility model provides a C post lower clutch structure, the utility model discloses preferred embodiment includes back side wall inner panel 5 and threshold planking seam piece 6, wherein, threshold planking seam piece 6 includes threshold planking reinforcing plate 7 and threshold planking reinforcing plate extension board 8, the one end of threshold planking reinforcing plate 7 is connected with the one end of threshold planking reinforcing plate extension board 8, one side of threshold planking reinforcing plate extension board 8 in the disconnection department upwards prolong behind the turn-ups through a plurality of bolts 9 with back side wall inner panel 5 is connected.
Specifically, in this embodiment, one side of the rocker outer panel reinforcement plate extension plate 8 is extended and flanged upwards at the break and then can be connected with the quarter inner panel 5 through four bolts 9. Therefore, the risk that the welding point is easy to generate stress concentration and fatigue cracking can be avoided. In other embodiments, the number of bolts 9 may be set according to actual conditions, and this embodiment is not limited to this.
In this embodiment, the threshold outer panel welded part 6 is separately divided into the threshold outer panel reinforcing plate 7 and the threshold outer panel reinforcing plate extension plate 8, so that the material utilization rate can be improved, the cost of a single part can be reduced, and the forming performance of parts can be improved.
Further, in this embodiment, the C-pillar lower joint structure further includes a wheel casing outer plate 10, the other end of the door sill outer plate extension plate 8 is connected with the wheel casing outer plate 10, and the wheel casing outer plate 10, the rear side wall inner plate 5 and the door sill outer plate extension plate 8 enclose into a closed cavity structure.
The other end of the threshold outer plate reinforcing plate extension plate 8 is connected with the wheel casing outer plate 10 through a plurality of welding points 11. In specific implementation, the four welding points 11 can be welded and connected.
This embodiment is passed through wheel casing planking 10, back side wall inner panel 5 with threshold planking reinforcing plate extension plate 8 encloses into closed cavity structure, can improve Y to bearing structure, promote whole joint and even the rigidity of automobile body, when external force striking, accessible bearing structure dispersion impact force, reduce the invasion volume of collision back foreign object, effectively protect passenger and battery safety, and this closed cavity structure can cut off noise and dust of spreading into from the vehicle bottom, reach the effect of making an uproar that falls in the dust-proof, can save here partition block, reduce whole car cost.
In order to avoid the risk of stress concentration and fatigue cracking at the welding point, the other end of the rocker outer panel extension plate 8 and the wheel house outer panel 10 are connected by a reinforcing bolt in the present embodiment. In one embodiment, the number of the reinforcing bolts may be set according to actual conditions, for example, one reinforcing bolt.
In order to ensure that the wheel casing outer plate 10 and the threshold outer plate reinforcing plate extension plate 8 are more firmly and reliably mounted, in the embodiment, a groove is formed at the other end of the threshold outer plate reinforcing plate extension plate 8, and the bottom of the wheel casing outer plate 10 is clamped in the groove.
In addition, in this embodiment, the C-pillar lower joint structure further includes a C-pillar reinforcement plate 12, and a lower end of the C-pillar reinforcement plate 12 extends downward and then is overlapped with the rocker outer panel reinforcement plate 7.
The lower end of the C-pillar reinforcing plate 12 extends downwards and then is welded with the threshold outer plate reinforcing plate 7 through a plurality of welding points.
In the embodiment, after the wheel cover outer plate 10, the rear side wall inner plate 5 and the threshold outer plate reinforcing plate extension plate 8 are encircled to form a closed cavity structure, in order to further optimize a force transmission path of the wheel cover outer plate, the lower end of the C-pillar reinforcing plate 12 is extended until a welding part of the threshold outer plate reinforcing plate 7 is overlapped with the welding part, and the C-pillar reinforcing plate 12 is connected with the threshold outer plate reinforcing plate 7 through four spot welding, so that the C-pillar reinforcing plate 12 is vertically communicated with the threshold outer plate reinforcing plate 7 to form a reinforcing plate closed loop.
The utility model discloses C post lower clutch structure's beneficial effect is:
1. the rigidity is improved, and meanwhile, the utilization rate of part materials is improved and the cost is reduced through the split design of the reinforcing plate of the outer plate of the threshold;
2. the rigidity of the lower joint of the C column is improved, the deformation under the side collision/column collision working condition is reduced, and the safety of passengers and batteries is effectively protected;
3. the force transfer path is optimized, the welding spot stress at the lower fillet of the door frame is reduced, and the fatigue cracking risk is reduced;
4. the threshold adopts the closed sheet metal structure to form an independent cavity, so that dust and road noise are prevented from being transmitted into the vehicle from the cavity, an isolating block is not required to be additionally arranged, and the dust isolation and noise prevention are realized while the cost is reduced.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a C post lower clutch structure, its characterized in that, includes back side wall inner panel and threshold planking seam piece, wherein, threshold planking seam piece includes threshold planking reinforcing plate and threshold planking reinforcing plate extension board, the one end of threshold planking reinforcing plate is connected with the one end of threshold planking reinforcing plate extension board, one side of threshold planking reinforcing plate extension board in disconnection department upwards prolong behind the turn-ups through a plurality of bolts with back side wall inner panel is connected.
2. The C-pillar lower joint structure according to claim 1, further comprising a wheel casing outer plate, wherein the other end of the door sill outer plate and reinforcement plate extension plate is connected with the wheel casing outer plate, and the wheel casing outer plate, the rear side wall inner plate and the door sill outer plate and reinforcement plate extension plate are enclosed into a closed cavity structure.
3. The C-pillar lower joint structure according to claim 2, wherein the other end of the extension plate of the reinforcing plate of the outer doorsill plate is connected with the outer wheel casing plate through a plurality of welding points.
4. The C-pillar lower joint structure according to claim 3, wherein the other end of the rocker outer panel reinforcement plate extension plate is further connected to the wheel house outer panel by a reinforcement bolt.
5. The C-pillar lower joint structure according to claim 2, wherein a groove is formed at the other end of the extension plate of the reinforcing plate of the outer plate of the doorsill, and the bottom of the outer plate of the wheel casing is clamped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276439.7U CN214296161U (en) | 2020-12-30 | 2020-12-30 | C post lower joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276439.7U CN214296161U (en) | 2020-12-30 | 2020-12-30 | C post lower joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214296161U true CN214296161U (en) | 2021-09-28 |
Family
ID=77821142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023276439.7U Active CN214296161U (en) | 2020-12-30 | 2020-12-30 | C post lower joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214296161U (en) |
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2020
- 2020-12-30 CN CN202023276439.7U patent/CN214296161U/en active Active
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