CN111216809A - Improved generation car threshold structure - Google Patents
Improved generation car threshold structure Download PDFInfo
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- CN111216809A CN111216809A CN202010167987.1A CN202010167987A CN111216809A CN 111216809 A CN111216809 A CN 111216809A CN 202010167987 A CN202010167987 A CN 202010167987A CN 111216809 A CN111216809 A CN 111216809A
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- Prior art keywords
- doorsill
- threshold
- section
- side plate
- plate
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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
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an improved automobile doorsill structure which comprises an outer doorsill plate and an inner doorsill plate, wherein the outer doorsill plate is a stamping part made of steel or aluminum, the cross section of the outer doorsill plate is C-shaped, the upper end and the lower end of the outer doorsill plate extend along the vertical direction to form a first flange surface, the inner doorsill plate is an extruded section made of aluminum, the cross section of the inner doorsill plate is square, the inner doorsill plate is internally divided into at least two cavity structures, the upper end and the lower end of the inner doorsill plate extend along the vertical direction to form a second flange surface, the first flange surface is matched and connected with the second flange surface, and the outer doorsill plate and the inner doorsill plate are oppositely arranged and fixedly connected to form a; compared with the prior art, the side wall structure of the vehicle body can be placed in the outer side plate of the threshold, so that the side wall structure has good rigidity and strength, and unnecessary precision and quality problems can not be caused.
Description
[ technical field ]
The invention relates to the technical field of automobile spare and accessory parts, in particular to an improved automobile threshold structure for an automobile body.
[ background art ]
In a four-wheel passenger car, the body structure generally has a rocker structure connecting a floor and a side wall of the body, which is an important component of a load-bearing frame of the body. When the automobile is impacted from the front side and the side, the huge impact energy is dispersed to other parts of the automobile body through the doorsill structure, so that the doorsill structure plays an important role in the overall safety performance of the automobile. Meanwhile, the weight thereof also accounts for a relatively large proportion of the total weight of the vehicle body. Therefore, the threshold structure with high strength and light weight can directly improve the competitiveness of the whole vehicle in the market.
In the prior art, the threshold mainly has the following two structures:
(1) the threshold is divided into an inner part and an outer part, the inner threshold belongs to a lower vehicle body structure, and the outer threshold belongs to a side wall structure. The main body framework is formed by a plurality of steel sheet metal stamping parts, and a local reinforcing structure formed by a plurality of steel sheet metals is used for the inside of the main body framework. The connection structure has the problems that the integral threshold is heavier due to higher density of steel, meanwhile, the rigidity of a stamping part is poorer, buckling instability is easy to occur when the stamping part bears increased pressure, and the bearing capacity is suddenly reduced, so that the connection structure cannot bear larger side impact.
(2) The sill is essentially formed by an extruded profile made of aluminum. The structure has good rigidity and can bear larger side impact, but before the side wall structure of the car body is connected to the car body, the rigidity and the strength of the side wall structure of the car body are poor due to the lack of support of the doorsill structure, and some precision and quality problems are generated in the production process.
[ summary of the invention ]
The present invention is directed to solving the above-mentioned deficiencies and providing an improved car threshold structure, which can withstand a large side impact, and provide a side wall structure with good rigidity and strength, so that some unnecessary precision and quality problems are not generated, and the overall structure weight is light.
For realizing above-mentioned purpose design an improved generation automobile threshold structure, including threshold outer panel 1 and threshold inner panel 2, threshold outer panel 1 is for adopting the stamping workpiece of steel or aluminium system, the cross-section of threshold outer panel 1 is the C style of calligraphy, the upper and lower both ends of threshold outer panel 1 all have flange face 11 along vertical direction extension, threshold inner panel 2 is for adopting the extruded profile of aluminium system, the cross-section of threshold inner panel 2 is squarely, separate into two at least cavity structures in the threshold inner panel 2, the upper and lower both ends of threshold inner panel 2 all have flange face two 21 along vertical direction extension, flange face one 11 is connected with the cooperation of flange face two 21, threshold outer panel 1 and threshold inner panel 2 mutual disposition and fixed connection form the cavity structures.
Further, the first flange face 11 of the rocker outer panel 1 and the second flange face 21 of the rocker inner panel 2 are connected in a riveting, welding, bonding or screwing mode.
Further, wear to be equipped with V template 4 in the threshold inside plate 2, the cross-section of V template 4 is the V style of calligraphy, separate into three cavity structures through V template 4 in the threshold inside plate 2.
Furthermore, an extrusion profile reinforcing part 3 is additionally arranged on the outer side of the middle part of the threshold inner side plate 2, the extrusion profile reinforcing part 3 is connected to the threshold inner side plate 2 in a riveting, welding, bonding or screwing mode, and the extrusion direction of the extrusion profile reinforcing part 3 is parallel to the axial direction of the threshold inner side plate 2.
Further, the section of the extruded profile reinforcing part 3 is in a shape of Chinese character ri, and the extruded profile reinforcing part 3 is arranged in the middle of the inner part of the doorsill outer side plate 1.
Further, the extruded profile reinforcement 3 is a stamped part or an extruded profile made of steel or aluminum.
Compared with the prior art, the invention has the following advantages:
(1) the doorsill structure consists of an inner part and an outer part, and when the whole automobile body is assembled, the outer side plate of the doorsill can be placed into the side wall structure of the automobile body, so that the side wall structure has good rigidity and strength, unnecessary precision and quality problems can not be caused, and the requirements of the existing automobile manufacturing process are met;
(2) the inner side plate structure of the doorsill is provided with a plurality of cavity structures, so that the doorsill is high in rigidity and good in energy absorption effect, and can bear large side impact;
(3) the outer side plate of the doorsill can be made of steel or aluminum, the inner side plate of the doorsill is made of aluminum, and the density of aluminum is low, so that the overall structure is light in weight;
(4) the extruded section reinforcing piece in the invention can provide targeted reinforcement for the threshold, so that the material is fully utilized;
(5) the invention provides a threshold structure for a vehicle body, which achieves sufficient safety performance in a simple manner and with a low weight, and which at the same time satisfies the existing vehicle manufacturing process and is worth being popularized and applied.
[ description of the drawings ]
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a second schematic structural view of the present invention;
FIG. 4 is a schematic side view of the structure of FIG. 3;
in the figure: 1. the structure comprises a threshold outer side plate 2, a threshold inner side plate 3, an extrusion profile reinforcing part 4, a V-shaped plate 11, a flange surface I21 and a flange surface II.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the accompanying drawings 1 and 2, the invention provides an improved automobile doorsill structure, which comprises an outer doorsill plate 1 and an inner doorsill plate 2, wherein the outer doorsill plate 1 is a stamping part made of steel or aluminum, the cross section of the outer doorsill plate 1 is in a C shape, the upper end and the lower end of the outer doorsill plate 1 both extend in the vertical direction to form a first flange surface 11, the inner doorsill plate 2 is an extruded section made of aluminum, the cross section of the inner doorsill plate 2 is square, the inner doorsill plate 2 is internally divided into at least two cavity structures, the upper end and the lower end of the inner doorsill plate 2 both extend in the vertical direction to form a second flange surface 21, the first flange surface 11 is connected with the second flange surface 21 in a matched manner, and the outer doorsill plate 1 and the inner doorsill plate 2 are oppositely arranged and fixedly. The first flange face 11 of the threshold outer side plate 1 and the second flange face 21 of the threshold inner side plate 2 are connected in a riveting, welding, bonding or screwing mode; v-shaped plates 4 penetrate through the inner side plate 2 of the doorsill, the cross sections of the V-shaped plates 4 are V-shaped, and three cavity structures are separated into the inner side plate 2 of the doorsill through the V-shaped plates 4. That is, embodiment 1 of the present invention may be: the doorsill is composed of a steel or aluminum stamping part on the outer side, the inner side is composed of an aluminum extruded section, and the upper end and the lower end of the stamping part and the upper end and the lower end of the extruded section are both provided with flange surfaces for connection; the doorsills on the two sides can be connected in a riveting, welding, bonding or screwing mode; the cross section of the stamping part is approximately arched, the cross section of the extrusion section is approximately square, and the cross section of the extrusion section is composed of a plurality of cavity structures.
As shown in the attached drawings 3 and 4, the invention can also add an extruded section bar reinforcing part 3 on the outer side of the middle part of the inner side plate 2 of the threshold, the extruded section bar reinforcing part 3 is connected on the inner side plate 2 of the threshold in a riveting, welding, bonding or screwing mode, and the extrusion direction of the extruded section bar reinforcing part 3 is parallel to the axial direction of the inner side plate 2 of the threshold; the section of the extruded profile reinforcing part 3 is in a shape of Chinese character ri, the extruded profile reinforcing part 3 is arranged in the middle of the inner part of the doorsill outer side plate 1, and the extruded profile reinforcing part 3 is a stamping part or an extruded profile made of steel or aluminum. That is, embodiment 2 of the present invention may be: and adding a section of extrusion profile reinforcing piece in the middle of the threshold extrusion profile, wherein the extrusion profile reinforcing piece is connected to the threshold extrusion profile in a riveting, welding, bonding or screwing mode. The extrusion direction of the extruded profile reinforcement is parallel to the axial direction of the sill extruded profile, the extruded profile reinforcement consists of a plurality of cavity structures, and the extruded profile reinforcement is preferably made of aluminum.
In summary, the present invention satisfies the market demand by a novel car doorsill structure, i.e., the doorsill is composed of an outer steel or aluminum stamping and an inner aluminum extruded profile, and a plurality of local reinforcing structures are optionally added between the inner and outer doorsills. The upper and lower ends of the stamping on the outer side of the door sill and the extruded profile on the inner side of the door sill are provided with flange surfaces for mutual connection, which can be connected in a riveting, welding, bonding or screwing manner. The local reinforcement inside can be connected to the door sill on one side by riveting, welding, bonding or screwing. Preferably, the cross section of the stamping part on the outer side of the doorsill is approximately arched, the cross section of the extruded section on the inner side of the doorsill is approximately square, the cross section of the extruded section on the inner side of the doorsill is composed of a plurality of cavity structures, and the internal local reinforcing part can be a stamping part or an extruded section made of steel or aluminum.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (6)
1. An improved generation automobile threshold structure which characterized in that: including threshold outer panel (1) and threshold inner panel (2), the stamping workpiece of threshold outer panel (1) for adopting steel or aluminium system, the cross-section of threshold outer panel (1) is the C style of calligraphy, the upper and lower both ends of threshold outer panel (1) all have flange face (11) along vertical direction extension, threshold inner panel (2) are the extruded profile who adopts aluminium system, the cross-section of threshold inner panel (2) is squarely, separate into two at least cavity structures in threshold inner panel (2), the upper and lower both ends of threshold inner panel (2) all extend along vertical direction has flange face two (21), flange face one (11) and flange face two (21) cooperation are connected, threshold outer panel (1) and threshold inner panel (2) mutual disposition and fixed connection form cavity structures.
2. The improved car doorsill structure of claim 1, wherein: and the first flange surface (11) of the threshold outer side plate (1) and the second flange surface (21) of the threshold inner side plate (2) are connected in a riveting, welding, bonding or screwing mode.
3. The improved car doorsill structure of claim 1, wherein: v-shaped plates (4) penetrate through the inner side plate (2) of the doorsill, the cross section of each V-shaped plate (4) is V-shaped, and three cavity structures are separated into the inner side plate (2) of the doorsill through the V-shaped plates (4).
4. An improved automobile doorsill structure as claimed in claim 1, 2 or 3, wherein: the outer side of the middle of the inner side plate (2) of the doorsill is additionally provided with an extruded section reinforcing part (3), the extruded section reinforcing part (3) is connected to the inner side plate (2) of the doorsill in a riveting, welding, bonding or screwing mode, and the extrusion direction of the extruded section reinforcing part (3) is parallel to the axial direction of the inner side plate (2) of the doorsill.
5. An improved automobile doorsill structure as claimed in claim 4, wherein: the section of the extruded profile reinforcing piece (3) is in a shape of Chinese character ri, and the extruded profile reinforcing piece (3) is arranged in the middle of the inner part of the doorsill outer side plate (1).
6. An improved automobile doorsill structure as claimed in claim 4, wherein: the extruded section reinforcing part (3) is a stamping part or an extruded section made of steel or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167987.1A CN111216809A (en) | 2020-03-11 | 2020-03-11 | Improved generation car threshold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167987.1A CN111216809A (en) | 2020-03-11 | 2020-03-11 | Improved generation car threshold structure |
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| Publication Number | Publication Date |
|---|---|
| CN111216809A true CN111216809A (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010167987.1A Pending CN111216809A (en) | 2020-03-11 | 2020-03-11 | Improved generation car threshold structure |
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| CN (1) | CN111216809A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002632A (en) * | 2021-02-26 | 2021-06-22 | 重庆长安汽车股份有限公司 | B-pillar reinforcing structure and vehicle |
| CN114802457A (en) * | 2022-04-19 | 2022-07-29 | 浙江零跑科技股份有限公司 | Vehicle door sill device |
-
2020
- 2020-03-11 CN CN202010167987.1A patent/CN111216809A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002632A (en) * | 2021-02-26 | 2021-06-22 | 重庆长安汽车股份有限公司 | B-pillar reinforcing structure and vehicle |
| CN114802457A (en) * | 2022-04-19 | 2022-07-29 | 浙江零跑科技股份有限公司 | Vehicle door sill device |
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