CN117325942A - Threshold reinforcement, threshold assembly, and method for manufacturing threshold reinforcement - Google Patents
Threshold reinforcement, threshold assembly, and method for manufacturing threshold reinforcement Download PDFInfo
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- CN117325942A CN117325942A CN202311540527.9A CN202311540527A CN117325942A CN 117325942 A CN117325942 A CN 117325942A CN 202311540527 A CN202311540527 A CN 202311540527A CN 117325942 A CN117325942 A CN 117325942A
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 296
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 102
- 238000005192 partition Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 238000005728 strengthening Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- B62D25/02—Side panels
- B62D25/025—Side sills thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a threshold reinforcement, a threshold assembly and a manufacturing method of the threshold reinforcement, comprising the following steps: a reinforcement body and a reinforcement backbone; the reinforcement body comprises a first reinforcement beam and a second reinforcement beam, wherein first reinforcement cells are arranged in the first reinforcement beam and the second reinforcement beam, extend along a second direction, and are mutually perpendicular to each other; the inside of strengthening the skeleton is provided with the second and strengthens the cell, and the second strengthens the cell and extends along the third direction. The structural strength and the rigidity of the threshold reinforcement are improved by arranging the reinforcement body and the reinforcement framework; the first reinforcing cells and the second reinforcing cells which are perpendicular to each other are respectively arranged in the reinforcing member body and the reinforcing framework so as to improve the bending rigidity, the structural strength and the energy absorption efficiency of the threshold reinforcing member in the second direction and the third direction.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a threshold reinforcement, a threshold assembly and a manufacturing method of the threshold reinforcement.
Background
In the prior art, in order to ensure that the threshold of the automobile meets the requirement of light-weight design under the premise of having enough structural strength, the strength of the threshold is generally enhanced by adding a reinforcing structure with lighter weight and higher strength at the threshold, but the existing reinforcing structure has the problems of higher production cost, insufficient strength, low energy absorption efficiency and the like.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide a threshold reinforcement which has the characteristics of high structural strength and high energy absorption efficiency.
A rocker reinforcement according to an embodiment of the present invention includes: a reinforcement body and a reinforcement backbone; the reinforcement body comprises a first reinforcement beam and a second reinforcement beam, the first reinforcement beam and the second reinforcement beam are arranged in parallel at intervals in the first direction, the first reinforcement beam and the second reinforcement beam extend along the third direction, first reinforcement cells are arranged in the first reinforcement beam and the second reinforcement beam, the first reinforcement cells extend along the second direction, and the first direction, the second direction and the third direction are mutually perpendicular; the reinforcing framework is arranged between the first reinforcing beam and the second reinforcing beam, the reinforcing framework extends along the third direction, one side of the reinforcing framework is fixedly connected with the first reinforcing beam, the other side of the reinforcing framework is fixedly connected with the second reinforcing beam, second reinforcing cells are arranged in the reinforcing framework, and the second reinforcing cells extend along the third direction.
According to the threshold reinforcement provided by the embodiment of the invention, the structural strength and the rigidity of the threshold reinforcement are improved by arranging the reinforcement body and the reinforcement framework; the first reinforcing cells and the second reinforcing cells which are perpendicular to each other are respectively arranged in the reinforcing member body and the reinforcing framework so as to improve the bending rigidity, the structural strength and the energy absorption efficiency of the threshold reinforcing member in the second direction and the third direction.
In addition, the threshold reinforcement according to the invention may have the following additional technical features:
in some embodiments, the first reinforcement beam and the second reinforcement beam are each provided with a first reinforcement partition, the first reinforcement partition being provided with a plurality of first reinforcement partitions for partitioning the first reinforcement beam and the second reinforcement beam into a plurality of first reinforcement cells.
In some embodiments, the reinforcing cage is provided with a plurality of second reinforcing spacers inside, and the plurality of second reinforcing spacers are used to divide the inside of the reinforcing cage into a plurality of second reinforcing cells.
In some embodiments, the first reinforcement beam and the second reinforcement beam are each provided with a first sealing plate, and in the second direction, both ends of the first reinforcement cell have openings, and the first sealing plate is used for sealing one end opening of the first reinforcement cell.
In some embodiments, the reinforcement body further includes a third reinforcement beam connected between the first reinforcement beam and the second reinforcement beam, and configured to accommodate the accommodation space of the reinforcement cage with the first reinforcement beam and the second reinforcement beam, the third reinforcement beam being fixedly connected with the reinforcement cage toward one side of the reinforcement cage.
In some embodiments, a plurality of the first reinforcing partitions are disposed inside the third reinforcing beam, and the plurality of the first reinforcing partitions are used to partition the inside of the third reinforcing beam into a plurality of first reinforcing cells; the third reinforcement beam is provided with a second sealing plate, openings are formed in two ends of the first reinforcement cells in the second direction, and the second sealing plate is used for sealing one end opening of the first reinforcement cells.
In some embodiments, the first reinforcement cell includes a first cell structure and a second cell structure, the first cell structure and the second cell structure being staggered along the third direction.
In some embodiments, the cross section of the first cell structure is a regular hexagon, and the cross section of the second cell structure is an isosceles trapezoid with opposite bottom sides.
In some embodiments, the reinforcement body is an integrally molded injection molded piece.
The invention further provides a threshold assembly with the embodiment.
According to an embodiment of the present invention, a threshold assembly includes: a rocker inner panel, a rocker reinforcement panel, and the rocker reinforcement of the above embodiment; in the second direction, the rocker inner panel is fixedly connected with the rocker reinforcement plate to construct a first installation cavity, and the rocker reinforcement is fixedly connected in the first installation cavity.
According to the threshold assembly provided by the embodiment of the invention, the threshold reinforcement member is arranged, so that the bending resistance, the structural strength and the energy absorption efficiency of the threshold assembly can be effectively improved.
In addition, the threshold assembly according to the invention can also have the following additional technical characteristics:
in some embodiments, the threshold assembly further comprises: an A-pillar inner panel and an A-pillar reinforcing plate; in the third direction, the A column inner plate is connected with the threshold inner plate, the A column reinforcing plate is connected with the threshold reinforcing plate, in the second direction, the A column inner plate is fixedly connected with the A column reinforcing plate to form a second installation cavity, the second installation cavity is communicated with the first installation cavity, and part of the threshold reinforcing member extends into the second installation cavity and is fixedly connected with the second installation cavity.
In some embodiments, in the second direction, bonding members are provided on both sides of the rocker reinforcement such that one side of the rocker reinforcement is bonded to the a-pillar inner panel and the rocker inner panel and the other side is bonded to the a-pillar reinforcing panel and the rocker reinforcing panel.
In some embodiments, the threshold assembly further comprises: the hinge reinforcing plate and the front end threshold reinforcing plate are fixedly connected in the second installation cavity, and the front end threshold reinforcing plate is arranged between the hinge reinforcing plate and the A pillar inner plate.
In some embodiments, the bonding element is a structural expansion paste.
The invention also provides a manufacturing method of the threshold reinforcement.
A method of manufacturing a rocker reinforcement according to an embodiment of the present invention includes: selecting a to-be-machined part, wherein the to-be-machined part is made of a composite material; manufacturing a reinforced framework with a preset shape from a workpiece to be processed through a pultrusion process; cutting the reinforcing framework according to a preset size; and (3) putting the segmented reinforcing framework into a preset mould as an insert, and manufacturing the reinforcing member body through an injection molding process. The reinforcement framework is manufactured by using a pultrusion process, the reinforcement body is manufactured by using an injection molding process, and the reinforcement framework and the reinforcement body are combined, so that the threshold reinforcement with different orientations, high energy absorption efficiency, high bending resistance and high structural strength is obtained.
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
Fig. 1 is a schematic structural view of a rocker reinforcement according to an embodiment of the present invention;
fig. 2 is an assembly view of a rocker reinforcement and an adhesive according to an embodiment of the invention;
FIG. 3 is a front view of a reinforcement body of a rocker reinforcement according to an embodiment of the invention;
FIG. 4 is a rear view of a reinforcement body of a rocker reinforcement according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a rocker framework of a rocker reinforcement according to an embodiment of the invention;
FIG. 6 is a schematic view of a rocker assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of a rocker assembly (with rocker reinforcement panels removed) according to an embodiment of the present invention;
FIG. 8 is a schematic view of a rocker assembly (with rocker reinforcement panels and A-pillar reinforcement panels removed) according to an embodiment of the present invention;
FIG. 9 is a schematic view of the rocker assembly (with the rocker reinforcement panel, A-pillar reinforcement panel and hinge reinforcement panel removed) according to an embodiment of the present invention;
FIG. 10 is an assembly view of a rocker inner panel, rocker reinforcement and rocker reinforcement panel of the rocker assembly according to an embodiment of the present invention;
fig. 11 is an assembly view of an a-pillar inner panel, a rocker reinforcement, and an a-pillar reinforcement panel of a rocker assembly according to an embodiment of the invention.
Reference numerals:
100. a rocker reinforcement; 200. a threshold assembly;
1. a stiffener body; 11. a first reinforcing beam; 12. a second reinforcing beam; 13. a third reinforcing beam; 14. a first enhanced cell; 15. a first reinforcing partition; 16. a first sealing plate; 17. a second sealing plate; 141. a first cell structure; 142. a second cell structure;
2. reinforcing the skeleton; 21. a second enhanced cell; 22. a second reinforcing partition;
3. a rocker inner panel; 4. a threshold reinforcing plate; 5. a column A inner plate; 6. a column A reinforcing plate; 7. an adhesive member; 8. a hinge reinforcing plate; 9. a front-end threshold reinforcement plate; 10. a first mounting cavity; 20. a second mounting cavity.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
A rocker reinforcement 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 11.
As shown in fig. 1 to 11, a rocker reinforcement 100 according to an embodiment of the present invention includes: a reinforcement body 1 and a threshold frame; the reinforcement body 1 comprises a first reinforcement beam 11 and a second reinforcement beam 12, wherein the first reinforcement beam 11 and the second reinforcement beam 12 are arranged in parallel at intervals in a first direction, the first reinforcement beam 11 and the second reinforcement beam 12 extend along a third direction, first reinforcement cells 14 are arranged inside the first reinforcement beam 11 and the second reinforcement beam 12, the first reinforcement cells 14 extend along a second direction, and the first direction, the second direction and the third direction are mutually perpendicular; for example, as shown in fig. 1, the length, width and height of the first reinforcement beam 11 and the second reinforcement beam 12 are equal, and are arranged in parallel and spaced apart along the first direction, wherein the first reinforcement beam 11 and the second reinforcement beam 12 are each provided with a first reinforcement cell 14, and the first reinforcement cell 14 extends along the second direction, and the first reinforcement cell 14 can improve the structural strength and the energy absorption efficiency of the first reinforcement beam 11 and the second reinforcement beam 12 in the second direction, and when the threshold is impacted along the second direction, the first reinforcement cell 14 can not only enhance the bending resistance of the first reinforcement beam 11 and the second reinforcement beam 12, but also crush deformation, absorb energy, effectively reduce the intrusion amount of the threshold to the seat beam, and simultaneously, the first reinforcement cell 14 can also reduce the overall weight of the first reinforcement beam 11 and the second reinforcement beam 12, so that the requirement of lightweight design can be satisfied.
The reinforcing framework 2 is arranged between the first reinforcing beam 11 and the second reinforcing beam 12, the reinforcing framework 2 extends along the third direction, one side of the reinforcing framework 2 is fixedly connected with the first reinforcing beam 11, the other side of the reinforcing framework 2 is fixedly connected with the second reinforcing beam 12, the second reinforcing cells 21 are arranged in the reinforcing framework 2, and the second reinforcing cells 21 extend along the third direction. For example, as shown in fig. 1, the reinforcement frame 2 extends along the same direction as the first reinforcement beam 11 and the second reinforcement beam 12, and the reinforcement frame 2 is installed between the first reinforcement beam 11 and the second reinforcement beam 12 to form a sandwich structure, and in the first direction, both sides of the reinforcement frame 2 are respectively connected to the first reinforcement beam 11 and the second reinforcement beam 12, so that the structural strength and the bending resistance of the whole door sill reinforcement 100 are further improved; the inside of threshold skeleton is provided with the second and strengthens the cell 21, and the second strengthens the cell 21 along the third direction and stretches along stretching direction perpendicularly with first strengthening the cell 14, and the second strengthens the cell 21 and can improve threshold skeleton in the ascending structural strength of third direction and energy-absorbing efficiency to can bear the impact force of third direction, in order to reduce the damage of threshold, simultaneously, the second strengthens the cell 21 and can also lighten the whole weight of threshold skeleton, so that it satisfies the requirement of lightweight design.
In some embodiments, the direction of extension of the first reinforcement cell 14 and the second reinforcement cell 21 can be adjusted according to the direction of the force.
According to the threshold reinforcement 100 of the embodiment of the present invention, the structural strength and rigidity of the threshold reinforcement 100 are improved by providing the reinforcement body 1 and the reinforcement frame 2; the first reinforcing cells 14 and the second reinforcing cells 21 perpendicular to each other are provided in the inside of the reinforcement body 1 and the inside of the reinforcing frame 2, respectively, to improve the flexural rigidity, structural strength and energy absorption efficiency of the rocker reinforcement 100 in the second direction and the third direction.
In one embodiment of the present invention, as shown in fig. 1 to 11, the first reinforcement beam 11 and the second reinforcement beam 12 are each provided with a first reinforcement partition 15 inside, the first reinforcement partition 15 is provided in plurality, the plurality of first reinforcement partitions 15 are used to partition the inside of the first reinforcement beam 11 and the inside of the second reinforcement beam 12 into a plurality of first reinforcement cells 14, and the plurality of first reinforcement cells 14 can further improve the flexural rigidity, structural strength and energy absorption efficiency of the first reinforcement beam 11 and the second reinforcement beam 12 in the second direction.
In one embodiment of the present invention, as shown in fig. 1 to 11, the inside of the reinforcement cage 2 is provided with the second reinforcement partition plates 22, the second reinforcement partition plates 22 are provided in plurality, the plurality of second reinforcement partition plates 22 are used to partition the inside of the reinforcement cage 2 into the plurality of second reinforcement cells 21, and the plurality of second reinforcement cells 21 can further improve the flexural rigidity, structural strength and energy absorbing efficiency of the threshold cage in the third direction.
In one embodiment of the present invention, as shown in fig. 1 to 11, the first reinforcement beam 11 and the second reinforcement beam 12 are each provided with a first sealing plate 16, and in the second direction, both ends of the first reinforcement cell 14 have openings, and the first sealing plate 16 is used to seal one end opening of the first reinforcement cell 14; for example, as shown in fig. 1 to 4, in the second direction, the first reinforcement cell 14 penetrates both sides of the first reinforcement beam 11 and the second reinforcement beam 12, wherein the same side of the first reinforcement beam 11 and the second reinforcement beam 12 is provided with a first sealing plate 16, and the first sealing plate 16 seals the opening of the first reinforcement cell 14 at this side, so that the bending rigidity and the structural strength of the first reinforcement beam 11 and the second reinforcement beam 12 in the second direction can be improved.
In one embodiment of the present invention, as shown in fig. 1 to 11, the reinforcement body 1 further includes a third reinforcement beam 13, the third reinforcement beam 13 being connected between the first reinforcement beam 11 and the second reinforcement beam 12, and constructing a receiving space for receiving the reinforcement cage 2 with the first reinforcement beam 11 and the second reinforcement beam 12, and the third reinforcement beam 13 being fixedly connected with the reinforcement cage 2 toward one side of the reinforcement cage 2. In the present embodiment, the third reinforcing beam 13 can further improve the structural strength and the bending rigidity of the rocker reinforcement 100 as a whole.
In one embodiment of the present invention, as shown in fig. 1 to 11, the third reinforcement beam 13 is provided inside with a plurality of first reinforcement partitions 15, and the plurality of first reinforcement partitions 15 are used to partition the inside of the third reinforcement beam 13 into a plurality of first reinforcement cells 14; the third reinforcement beam 13 is provided with a second sealing plate 17, and in the second direction, both ends of the first reinforcement cell 14 have openings, and the second sealing plate 17 is used for sealing one end opening of the first reinforcement cell 14. In this embodiment, the plurality of first reinforcing cells 14 can further improve the bending rigidity, the structural strength, and the energy absorption efficiency of the third reinforcing beam 13 in the second direction; as shown in fig. 1 to 4, for example, the second sealing plate 17 is provided on the side of the third reinforcing beam 13 facing the reinforcing frame 2 such that the opening of the first reinforcing cell 14 on the third reinforcing beam 13 faces the opposite direction to the opening of the first reinforcing cell 14 on the first reinforcing beam 11 and the second reinforcing beam 12, and thus the bending resistance and the structural strength of the reinforcing member body 1 in the second direction can be further enhanced.
In one embodiment of the present invention, as shown in fig. 1 to 11, the first reinforcement cell 14 includes a first cell structure 141 and a second cell structure 142, and the first cell structure 141 and the second cell structure 142 are staggered along the third direction. For example, as shown in fig. 3 and fig. 4, the cross section of the first cell structure 141 is a regular hexagon, the cross section of the second cell structure 142 is an isosceles trapezoid with opposite bottom edges, and the first cell structure 141 and the second cell structure 142 are staggered along the third direction, so that the structural strength and rigidity of the stiffener body 1 in the third direction can be effectively enhanced.
In some embodiments, the reinforcement body is an integrally formed injection molded piece.
The invention also provides a threshold assembly 200 with the embodiment.
A threshold assembly 200 according to an embodiment of the present invention includes: the rocker inner panel 3, the rocker reinforcement panel 4, and the rocker reinforcement 100 of the above-described embodiment; in the second direction, the rocker inner panel 3 is fixedly connected to the rocker reinforcement panel 4 to form a first installation cavity 10, and the rocker reinforcement 100 is fixedly connected in the first installation cavity 10. For example, as shown in fig. 10, the rocker inner panel 3, the rocker reinforcement 100 and the rocker reinforcement plate 4 form a sandwich structure, so that the cross-sectional moments of inertia of the rocker inner panel 3, the rocker reinforcement 100 and the rocker reinforcement plate 4 can be effectively increased, and meanwhile, the bending rigidity and the structural strength of the rocker assembly 200 can be effectively improved, thereby improving the safety performance of the vehicle and enhancing the protection of passengers in the vehicle.
According to the rocker assembly 200 of the present embodiment, by providing the rocker reinforcement 100 of the above embodiment, the buckling resistance, the structural strength and the energy absorbing efficiency of the rocker assembly 200 can be effectively improved.
In one embodiment of the present invention, as shown in fig. 1 to 11, the threshold assembly 200 further includes: an a-pillar inner panel 5 and an a-pillar reinforcement panel 6; in the third direction, the a pillar inner panel 5 is connected to the rocker inner panel 3, the a pillar reinforcement panel 6 is connected to the rocker reinforcement panel 4, and in the second direction, the a pillar inner panel 5 is fixedly connected to the a pillar reinforcement panel 6 to construct a second installation cavity 20, the second installation cavity 20 is communicated with the first installation cavity 10, and a portion of the rocker reinforcement 100 extends into the second installation cavity 20 and is fixedly connected to the second installation cavity 20, so that the rocker reinforcement 100 can enhance the structural strength and rigidity of the a pillar area to further enhance the structural strength of the rocker assembly 200.
In one embodiment of the present invention, as shown in fig. 1 to 11, the bonding members are provided at both sides of the rocker reinforcement 100 in the second direction so that one side of the rocker reinforcement 100 is bonded to the a-pillar inner panel 5 and the rocker inner panel 3 and the other side is bonded to the a-pillar reinforcing panel 6 and the rocker reinforcing panel 4, so that the sectional moment of inertia of the rocker inner panel 3, the rocker reinforcement 100 and the rocker reinforcing panel 4 can be further increased, and the entire section is perforated, thereby enabling the rocker assembly 200 to withstand a larger sectional force.
In some embodiments, the bonding piece is structural expansion glue, and the structural expansion glue has certain effects of buffering, absorbing energy, absorbing shock and reducing noise, so that the threshold assembly 200 can be better protected, the damage to the threshold assembly 200 is reduced, and the use experience of a user is improved.
In one embodiment of the present invention, as shown in fig. 1 to 11, the threshold assembly 200 further includes: hinge reinforcement 8 and front end threshold reinforcement 9, hinge reinforcement 8 and front end threshold reinforcement 9 are both fixedly connected in second installation cavity 20, front end threshold reinforcement 9 is disposed between hinge reinforcement 8 and a-pillar inner panel 5. In the present embodiment, both the hinge reinforcement plate 8 and the front-end rocker reinforcement plate 9 can effectively reinforce the flexural rigidity and structural strength of the rocker assembly 200.
The invention also provides a manufacturing method of the threshold reinforcement 100.
A method of manufacturing a rocker reinforcement 100 according to an embodiment of the present invention includes: selecting a to-be-machined part, wherein the to-be-machined part is made of a composite material; manufacturing a reinforced framework 2 with a preset shape from a workpiece to be processed through a pultrusion process; cutting the reinforcing skeleton 2 according to a predetermined size; the cut reinforcing cage 2 is placed as an insert into a predetermined mold, and the reinforcing member body 1 is manufactured through an injection molding process.
In the present embodiment, the reinforcement frame 2 is manufactured by using a pultrusion process and the reinforcement body 1 is manufactured by using an injection molding process, and the two are combined, thereby obtaining the rocker reinforcement 100 having a multi-cell structure of different orientations and having high energy absorption efficiency, high bending resistance, and high structural strength.
Other constructions and operations of the rocker reinforcement 100, the rocker assembly 200, and the method of manufacturing the rocker reinforcement 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. A rocker reinforcement, comprising:
the reinforcement body comprises a first reinforcement beam and a second reinforcement beam, the first reinforcement beam and the second reinforcement beam are arranged in parallel and at intervals in a first direction, the first reinforcement beam and the second reinforcement beam extend along a third direction, first reinforcement cells are arranged in the first reinforcement beam and the second reinforcement beam, the first reinforcement cells extend along a second direction, and the first direction, the second direction and the third direction are perpendicular to each other;
strengthen the skeleton, strengthen the skeleton setting and be in first stiffening beam with between the second stiffening beam, just strengthen the skeleton along the third direction is along stretching, strengthen one side of skeleton with first stiffening beam fixed connection, the opposite side with second stiffening beam fixed connection, strengthen the inside of skeleton and be provided with the second and strengthen the cell, the second strengthens the cell along the third direction extends.
2. The threshold reinforcement of claim 1, wherein the first reinforcement beam and the second reinforcement beam are each provided with a first reinforcement partition, the first reinforcement partition being provided in plurality, the plurality of first reinforcement partitions being for partitioning the interior of the first reinforcement beam and the interior of the second reinforcement beam into a plurality of first reinforcement cells.
3. The threshold reinforcement according to claim 1, wherein the inside of the reinforcement frame is provided with a second reinforcement partition, the second reinforcement partition being provided in plurality, and a plurality of the second reinforcement partitions are used to partition the inside of the reinforcement frame into a plurality of second reinforcement cells.
4. The threshold reinforcement of claim 2, wherein the first reinforcement beam and the second reinforcement beam are each provided with a first sealing plate having openings at both ends of the first reinforcement cell in the second direction, the first sealing plate being for sealing one end opening of the first reinforcement cell.
5. The threshold reinforcement of claim 2, wherein the reinforcement body further comprises a third reinforcement beam connected between the first reinforcement beam and the second reinforcement beam and constructing an accommodation space accommodating the reinforcement frame with the first reinforcement beam and the second reinforcement beam, the third reinforcement beam being fixedly connected with the reinforcement frame toward one side of the reinforcement frame.
6. The rocker reinforcement according to claim 5, wherein a plurality of the first reinforcement partitions are provided inside the third reinforcement beam, the plurality of the first reinforcement partitions being for partitioning the inside of the third reinforcement beam into a plurality of first reinforcement cells; the third reinforcement beam is provided with a second sealing plate, openings are formed in two ends of the first reinforcement cells in the second direction, and the second sealing plate is used for sealing one end opening of the first reinforcement cells.
7. The threshold reinforcement of claim 6, wherein the first reinforcement cell comprises a first cell structure and a second cell structure, the first cell structure and the second cell structure being staggered along the third direction.
8. The threshold reinforcement of claim 7, wherein the cross section of the first cell structure is a regular hexagon and the cross section of the second cell structure is an isosceles trapezoid with opposite base sides.
9. The rocker reinforcement according to claim 1, wherein the reinforcement body is an integrally formed injection molded piece.
10. A threshold assembly, comprising:
a rocker inner panel;
a threshold reinforcing plate;
a rocker reinforcement as claimed in any one of claims 1 to 9;
in the second direction, the threshold inner plate is fixedly connected with the threshold reinforcing plate to form a first installation cavity, and the threshold reinforcing piece is fixedly connected in the first installation cavity.
11. The rocker assembly of claim 10 further comprising:
a column A inner plate;
a column A reinforcing plate;
in the third direction, the A column inner plate is connected with the threshold inner plate, the A column reinforcing plate is connected with the threshold reinforcing plate, in the second direction, the A column inner plate is fixedly connected with the A column reinforcing plate to form a second installation cavity, the second installation cavity is communicated with the first installation cavity, and part of the threshold reinforcing member extends into the second installation cavity and is fixedly connected with the second installation cavity.
12. The rocker assembly of claim 11 wherein in the second direction, adhesive members are provided on both sides of the rocker reinforcement such that one side of the rocker reinforcement is bonded to the a-pillar inner panel and the rocker inner panel and the other side is bonded to the a-pillar reinforcement panel and the rocker reinforcement panel.
13. The rocker assembly of claim 11 further comprising: the hinge reinforcing plate and the front end threshold reinforcing plate are fixedly connected in the second installation cavity, and the front end threshold reinforcing plate is arranged between the hinge reinforcing plate and the A pillar inner plate.
14. The rocker assembly of claim 12 wherein the adhesive member is a structural expansion glue.
15. A method of manufacturing a rocker reinforcement as claimed in any one of claims 1 to 9,
selecting a to-be-machined part, wherein the to-be-machined part is made of a composite material;
manufacturing a reinforcing framework with a preset shape from the to-be-machined piece through a pultrusion process;
cutting the reinforcement framework according to a preset size;
and placing the segmented reinforcing framework serving as an insert into a preset mould, and manufacturing the reinforcing part body through an injection molding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311540527.9A CN117325942A (en) | 2023-11-17 | 2023-11-17 | Threshold reinforcement, threshold assembly, and method for manufacturing threshold reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311540527.9A CN117325942A (en) | 2023-11-17 | 2023-11-17 | Threshold reinforcement, threshold assembly, and method for manufacturing threshold reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117325942A true CN117325942A (en) | 2024-01-02 |
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ID=89291968
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311540527.9A Pending CN117325942A (en) | 2023-11-17 | 2023-11-17 | Threshold reinforcement, threshold assembly, and method for manufacturing threshold reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117325942A (en) |
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2023
- 2023-11-17 CN CN202311540527.9A patent/CN117325942A/en active Pending
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