CN114954666A - Upper hinge reinforcing structure of A-pillar reinforcing part and manufacturing method thereof - Google Patents
Upper hinge reinforcing structure of A-pillar reinforcing part and manufacturing method thereof Download PDFInfo
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- CN114954666A CN114954666A CN202210668532.7A CN202210668532A CN114954666A CN 114954666 A CN114954666 A CN 114954666A CN 202210668532 A CN202210668532 A CN 202210668532A CN 114954666 A CN114954666 A CN 114954666A
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- upper hinge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Combustion & Propulsion (AREA)
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- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an upper hinge reinforcing structure of an A-pillar reinforcing part and a manufacturing method thereof, relating to the field of automobile body structures, wherein the structure comprises an A-pillar reinforcing part body, an upper hinge reinforcing patch plate and an upper hinge mounting nut plate; the A-column reinforcement body comprises a vehicle front direction vertical surface, a hinge mounting surface and a vehicle rear direction vertical surface which form a groove structure; the front vertical surface, the hinge mounting surface and the rear vertical surface are respectively provided with a group of first welding spots, the root of an R angle between the front vertical surface and the hinge mounting surface is provided with a group of second welding spots, and the A column reinforcement body and the upper hinge reinforcement patch plate are welded through the first welding spots and the second welding spots; and the upper hinge mounting nut plate is welded on one side, back to the hinge mounting surface, of the upper hinge reinforcing patch plate. The invention has the advantages that: the part rejection rate of the A-column reinforcement body and the upper hinge reinforcing patch plate is reduced.
Description
Technical Field
The invention relates to the field of automobile body structures, in particular to an upper hinge reinforcing structure of an A-pillar reinforcing piece and a manufacturing method thereof.
Background
The design of the automobile body hinge reinforcing plate structure needs to consider the strength and rigidity of a hinge mounting point, and meanwhile, the manufacturing process, the part qualification rate and the like need to be considered. At present, patch plates are mostly adopted as upper hinge reinforcing plates of automobile A-pillar reinforcements, for example, patent document with publication number CN205737717U discloses an A-pillar reinforcing assembly, which comprises an A-pillar middle reinforcing plate and a front door upper hinge reinforcing plate, wherein the A-pillar middle reinforcing plate can enclose the front door upper hinge reinforcing plate, and the A-pillar middle reinforcing plate is fixedly connected with the front door upper hinge reinforcing plate.
The existing automobile body hinge reinforcing plate structure has the following problems: 1. the welding spot between the A-column reinforcement body and the patch plate is unreasonable in design, so that the cracking problem is easy to occur, and parts are scrapped; 2. the patch panel design is larger in size, which leads to increased weight and material costs; 3. the wrinkling problem is easily caused when the A-column reinforcement body and the patch plate are formed, so that the quality of parts is poor; 4. the structural design of the upper hinge mounting nut plate is unreasonable, tooling cost can be increased, and the problem of wrong placement is easily caused when the clamp is used for loading workpieces.
Disclosure of Invention
The invention aims to solve the technical problem of how to reduce the part rejection rate of the A-pillar reinforcement body and the upper hinge reinforcing patch plate.
The invention solves the technical problems through the following technical means: an upper hinge reinforcing structure of an A-pillar reinforcing part comprises an A-pillar reinforcing part body, an upper hinge reinforcing patch plate and an upper hinge mounting nut plate; the A-pillar reinforcement body comprises a vehicle front direction vertical surface, a hinge mounting surface and a vehicle rear direction vertical surface which form a groove structure; the upper hinge reinforcing patch plate is positioned on the inner side of the groove structure and is respectively lapped with the front vehicle direction vertical surface, the hinge mounting surface and the rear vehicle direction vertical surface to form a U-shaped section; the front-direction vertical face, the hinge mounting face and the rear-direction vertical face of the vehicle are respectively provided with a group of first welding spots, the root of an R angle between the front-direction vertical face and the hinge mounting face is provided with a group of second welding spots, and the A-column reinforcement body and the upper hinge reinforcement patch plate are welded through the first welding spots and the second welding spots; the upper hinge mounting nut plate is welded on one side, back to the hinge mounting surface, of the upper hinge reinforcing patch plate.
Besides arranging the first welding points on the lapping surfaces between the A-column reinforcement body and the upper hinge reinforcement patch plate, a group of second welding points are additionally arranged at the root of the R corner between the vertical surface in the front direction of the vehicle and the hinge mounting surface, so that the problem that the vertical surface near the R corner is cracked due to overlarge drawing depth and too fast material flow in the thermal forming process is solved, and the rejection rate of parts of the A-column reinforcement body and the upper hinge reinforcement patch plate is reduced.
Preferably, the upper hinge reinforcement patch panel is located in the middle of the a-pillar reinforcement body. Go up the hinge and strengthen the upper end that the patch board did not extend to A post reinforcement body, the section does not take place the drastic change, has reduced size and weight, has promoted the lightweight.
Preferably, the A-pillar reinforcement body and the upper hinge reinforcing patch plate are provided with characteristic ribs at the lap joint position of the vertical face in the front direction of the vehicle, and the characteristic ribs protrude towards the outer side of the groove structure. The material accumulation wrinkling of the front direction vertical face close to the edge part is avoided in the thermal forming process, and the part quality is improved.
Preferably, the upper hinge mounting nut plate comprises a flat plate symmetrical along a center line, and two hinge holes symmetrical along the center line are formed in the middle of the flat plate. The upper hinge mounting nut plate is of a structure symmetrical along the center line, so that parts can be used universally on the left and right of the vehicle body, and the tooling development cost is reduced.
Preferably, the flat plate is provided with a notch at one side edge penetrated by the central line. The gap has the function of direction indication, and the problem of wrong vertical placement of the nut plate mounted on the upper hinge when the clamp is used for loading workpieces is avoided.
A method of manufacturing an upper hinge reinforcement structure of an a-pillar reinforcement, for manufacturing the upper hinge reinforcement structure of the a-pillar reinforcement, comprising the steps of: welding the A-pillar reinforcement body and the upper hinge reinforcing patch plate through the first welding spot and the second welding spot, and after welding is completed, carrying out thermal forming on the A-pillar reinforcement body and the upper hinge reinforcing patch plate together to enable the A-pillar reinforcement body to form a groove structure, and enabling the upper hinge reinforcing patch plate to form a U-shaped cross section.
The invention has the advantages that:
1. the problem that the vertical face near the R angle is cracked due to the fact that the drawing depth of the vertical face in the front direction of the automobile is too large and the material flows too fast in the thermal forming process is solved, and therefore the part rejection rate of the A column reinforcement body and the upper hinge reinforcing patch plate is reduced.
2. Go up the hinge and strengthen the upper end that the patch board did not extend to A post reinforcement body, the section does not take place the drastic change, has reduced size and weight, has promoted the lightweight.
3. The characteristic ribs are arranged, so that the material accumulation wrinkling of the front vertical face close to the edge part in the thermal forming process is avoided, and the quality of parts is improved.
4. The upper hinge mounting nut plate is of a structure symmetrical along the center line, so that parts can be used universally on the left and right of the vehicle body, and the tooling development cost is reduced.
5. The gap has the function of direction indication, and the problem of wrong vertical placement of the nut plate mounted on the upper hinge when the clamp is used for loading workpieces is avoided.
Drawings
Fig. 1 is a schematic view of an upper hinge reinforcing structure of a conventional a-pillar reinforcement.
Fig. 2 is a partially enlarged view of an upper hinge reinforcing structure of a conventional a-pillar reinforcement.
FIG. 3 is a schematic view of an upper hinge reinforcement structure of an A-pillar reinforcement of an embodiment of the present invention.
FIG. 4 is a cross-sectional view taken along line A-A of the upper hinge reinforcement structure of the A-pillar reinforcement of an embodiment of the present invention.
Fig. 5 is a schematic view of the arrangement of the hinge mounting surface and the first welding point on the car rear direction vertical surface according to the embodiment of the invention.
FIG. 6 is a schematic view showing the arrangement of first welding points on the front vertical surface and the hinge mounting surface and second welding points at the root of the R corner in the embodiment of the present invention.
Fig. 7 is a schematic structural view of a feature rib according to an embodiment of the present invention.
FIG. 8 is a schematic structural diagram of a hinge mounting plate according to an embodiment of the present invention.
The reference numbers illustrate:
1. a pillar a reinforcement body; 11. a vehicle rear direction facade; 12. a vehicle front direction elevation; 13. a hinge mounting surface; 2. reinforcing the patch board by the upper hinge; 3. the upper hinge is provided with a nut plate; 31. a nut plate body; 32. a hinge hole; 33. a notch; 4. a first solder joint; 5. a second solder joint; 6. and (5) characteristic ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the upper hinge reinforcing structure of the conventional a-pillar reinforcement includes an a-pillar reinforcement body 1, an upper hinge reinforcing patch plate 2, and an upper hinge mounting nut plate 3; the welding points 4 are only arranged at the joint surfaces of the A-column reinforcement body 1 and the upper hinge reinforcing patch plate 2, so that the cracking problem is easy to generate, and parts are scrapped; the upper hinge reinforcing patch board 2 extends from the middle part to the upper end of the A-pillar reinforcing piece body 1, the section of the upper part is sharply changed, and the size and the weight are larger; when the A-column reinforcement body 1 and the upper hinge reinforcing patch plate 2 are formed, the wrinkling problem is easy to occur, so that the quality of parts is poor; the problem of misplacement of the upper hinge mounting nut plate 3 is easily generated when the fixture is used for loading.
As shown in fig. 3 and 4, the embodiment of the invention discloses an upper hinge reinforcing structure of an a-pillar reinforcing member, which comprises an a-pillar reinforcing member body 1, an upper hinge reinforcing patch plate 2 and an upper hinge mounting nut plate 3.
The A-pillar reinforcement body 1 comprises a vehicle front direction vertical surface 11, a hinge mounting surface 12 and a vehicle rear direction vertical surface 13 which form a groove structure; the upper hinge reinforcing patch plate 2 is positioned on the inner side of the groove structure and is respectively lapped with the vehicle front direction vertical surface 11, the hinge mounting surface 12 and the vehicle rear direction vertical surface 13 to form a U-shaped section; the upper hinge reinforcing patch plate 2 is positioned in the middle of the A-column reinforcing piece body 1 and does not extend to the upper end of the A-column reinforcing piece body 1, the section is not changed sharply, the size and the weight are reduced, and the light weight is improved; the upper hinge mounting nut plate 3 is welded to the upper hinge reinforcement patch panel 2 on the side facing away from the hinge mounting surface 12.
As shown in fig. 5 and 6, a group of first welding points 4 are respectively arranged on the front direction vertical surface 11, the hinge installation surface 12 and the rear direction vertical surface 13 of the vehicle, a group of second welding points 5 are arranged at the root of an R corner between the front direction vertical surface 11 and the hinge installation surface 12, and the A-pillar reinforcement body 1 and the upper hinge reinforcement patch panel 2 are welded through the first welding points 4 and the second welding points 5, so that the problem that the vertical surfaces near the R corner are cracked due to overlarge drawing depth of the front direction vertical surface 11 and too fast material flow in the thermal forming process is solved, and the rejection rate of parts is reduced.
As shown in fig. 7, a characteristic rib 6 is arranged at the overlapping position of the a-pillar reinforcement body 1 and the upper hinge reinforcement patch panel 2 on the front direction vertical surface 11, and the characteristic rib 6 protrudes to the outer side of the groove structure. The material accumulation wrinkling of the front direction vertical surface 11 close to the edge part is avoided in the thermal forming process, and the quality of parts is improved.
As shown in fig. 8, the upper hinge mounting nut plate 3 comprises a flat plate 31 symmetrical along a center line, two hinge holes 32 symmetrical along the center line are arranged in the middle of the flat plate 31, and a semicircular notch 33 is arranged on one side edge of the flat plate 31 penetrated by the center line; the upper hinge mounting nut plate 3 is of a structure symmetrical along the center line, so that parts can be commonly used on the left and right of the vehicle body, and the tooling development cost is reduced; the gap 33 plays a role of direction indication, and the problem that the nut plate 3 is wrongly arranged in the vertical direction when the clamp is used for loading workpieces is avoided.
The embodiment of the invention also discloses a manufacturing method of the upper hinge reinforcing structure of the A-pillar reinforcing part, which is used for manufacturing the upper hinge reinforcing structure of the A-pillar reinforcing part and comprises the following steps: welding the A-column reinforcement body 1 and the upper hinge reinforcing patch plate 2 through the first welding spot 4 and the second welding spot 5, and after welding, carrying out thermal forming on the A-column reinforcement body 1 and the upper hinge reinforcing patch plate 2 together to enable the A-column reinforcement body 1 to form a groove structure, and enabling the upper hinge reinforcing patch plate 2 to form a U-shaped cross section.
The working principle is as follows: besides arranging the first welding spots 4 on each lapping surface between the A-pillar reinforcement body 1 and the upper hinge reinforcement patch plate 2, a group of second welding spots 5 are additionally arranged at the root of the R corner between the front direction vertical surface 11 and the hinge mounting surface 12, so that the problem that the vertical surfaces near the R corner are cracked due to overlarge drawing depth and too fast material flow of the front direction vertical surface 11 in the thermal forming process is solved, and the rejection rate of parts of the A-pillar reinforcement body 1 and the upper hinge reinforcement patch plate 2 is reduced.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an upper hinge additional strengthening of A post reinforcement which characterized in that: the reinforcing part comprises an A-pillar reinforcing part body, an upper hinge reinforcing patch plate and an upper hinge mounting nut plate; the A-pillar reinforcement body comprises a vehicle front direction vertical face, a hinge mounting face and a vehicle rear direction vertical face which form a groove structure; the upper hinge reinforcing patch plate is positioned on the inner side of the groove structure and is respectively lapped with the front vehicle direction vertical surface, the hinge mounting surface and the rear vehicle direction vertical surface to form a U-shaped section; the front-direction vertical face, the hinge mounting face and the rear-direction vertical face of the vehicle are respectively provided with a group of first welding spots, the root of an R angle between the front-direction vertical face and the hinge mounting face is provided with a group of second welding spots, and the A-column reinforcement body and the upper hinge reinforcement patch plate are welded through the first welding spots and the second welding spots; the upper hinge mounting nut plate is welded on one side, back to the hinge mounting surface, of the upper hinge reinforcing patch plate.
2. The upper hinge reinforcement structure of an a-pillar reinforcement of claim 1, wherein: the upper hinge reinforcing patch plate is positioned in the middle of the A-pillar reinforcing part body.
3. The upper hinge reinforcement structure of an a-pillar reinforcement of claim 1, wherein: the A-column reinforcement body and the upper hinge reinforcing patch plate are provided with characteristic ribs at the lap joint position of the vertical surface in the front direction of the vehicle, and the characteristic ribs protrude towards the outer side of the groove structure.
4. The upper hinge reinforcement structure of an a-pillar reinforcement of claim 1, wherein: the upper hinge mounting nut plate comprises flat plates which are symmetrical along a center line, and two hinge holes which are symmetrical along the center line are formed in the middle of each flat plate.
5. The upper hinge reinforcement structure of an a-pillar reinforcement of claim 4, wherein: and a notch is arranged on the edge of one side of the flat plate, which is penetrated by the central line.
6. A method of manufacturing an upper hinge reinforcing structure of an a-pillar reinforcement, for manufacturing an upper hinge reinforcing structure of an a-pillar reinforcement according to any one of claims 1 to 5, comprising the steps of: welding the A-pillar reinforcement body and the upper hinge reinforcing patch plate through the first welding spot and the second welding spot, and after welding is completed, carrying out thermal forming on the A-pillar reinforcement body and the upper hinge reinforcing patch plate together to enable the A-pillar reinforcement body to form a groove structure, and enabling the upper hinge reinforcing patch plate to form a U-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210668532.7A CN114954666A (en) | 2022-06-14 | 2022-06-14 | Upper hinge reinforcing structure of A-pillar reinforcing part and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210668532.7A CN114954666A (en) | 2022-06-14 | 2022-06-14 | Upper hinge reinforcing structure of A-pillar reinforcing part and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN114954666A true CN114954666A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210668532.7A Pending CN114954666A (en) | 2022-06-14 | 2022-06-14 | Upper hinge reinforcing structure of A-pillar reinforcing part and manufacturing method thereof |
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| CN (1) | CN114954666A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279829A (en) * | 2023-01-31 | 2023-06-23 | 重庆长安汽车股份有限公司 | A-column reinforcement assembly, vehicle and preparation process |
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Application publication date: 20220830 |