CN114313025A - Threshold roof beam skeleton texture and threshold roof beam - Google Patents

Threshold roof beam skeleton texture and threshold roof beam Download PDF

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Publication number
CN114313025A
CN114313025A CN202210088826.2A CN202210088826A CN114313025A CN 114313025 A CN114313025 A CN 114313025A CN 202210088826 A CN202210088826 A CN 202210088826A CN 114313025 A CN114313025 A CN 114313025A
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frame body
threshold
main frame
roof beam
connector
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CN202210088826.2A
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CN114313025B (en
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曾晖
吴忠杰
刘其文
曹卫林
周中彪
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Lantu Automobile Technology Co Ltd
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Lantu Automobile Technology Co Ltd
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Abstract

The application relates to a threshold roof beam skeleton texture and threshold roof beam relates to vehicle spare part technical field. This threshold roof beam skeleton texture includes the body frame body and two at least intervals locate the linkage unit of body frame body bottom, the body frame is internal to be inlayed and is equipped with the reinforcing plate, the body frame body all is equipped with a first connecting groove on its length direction distribution's both sides edge at least, first connecting groove intussuseption is filled with first adhesive, in order to be used for linking to each other the body frame body respectively with threshold inner panel and gate ring, each linkage unit's one end all links to each other with the body frame body, all be equipped with the connecting piece on the other end terminal surface and locate the second connecting groove of connecting piece side with at least, second connecting groove intussuseption is filled with the second adhesive, the connecting piece is used for linking to each other with the gate ring, in order to be used for supplementary second adhesive to connect the body frame body and gate ring. The application provides a threshold roof beam skeleton texture has solved threshold roof beam and has made the technology relatively complicated when promoting structural strength, leads to guaranteeing structural strength and simplifies the problem that can not compromise simultaneously in these two aspects of the manufacturing process.

Description

Threshold roof beam skeleton texture and threshold roof beam
Technical Field
The application relates to the technical field of vehicle parts, in particular to threshold roof beam skeleton texture and threshold roof beam.
Background
At present, in order to meet the stricter and stricter collision laws and regulations, A, B pillar hot formed steel is adopted by each vehicle enterprise, the invasion amount of a passenger compartment is reduced, and structures such as an inner threshold beam, a threshold beam reinforcing plate, side walls and a middle part are adopted in a threshold area, and supporting plates are added. However, as the requirements of collision regulations are higher and higher, particularly the weight of a new energy vehicle is generally heavier, the traditional scheme is not careful to cope with small overlap offset collision.
The threshold structure of traditional fuel vehicle scheme is interior threshold roof beam, threshold roof beam reinforcing plate, side wall usually, and middle local fagging and side impact reinforcing plate increase, and among the correlation technique, few car enterprises adopt the scheme of extrusion aluminum alloy threshold roof beam, but this scheme needs to realize fixedly connecting through the scheme of spin tapping riveting FDS (flow Drill screen), riveting, bonding, and consequently whole technology is more complicated, and equipment investment is high, and the position that needs the reinforcing locally can't local reinforcing because of extrusion aluminum technology reason, and the degree of difficulty is great. In addition, the extruded aluminum in the extruded aluminum alloy scheme threshold needs to be supported by 2-3 supports at the bottom outside the factory, the supports and the extruded aluminum are connected in a welding mode, the supports and the bottom of a vehicle body are fastened by FDS, glue is required to be coated before splicing in the factory, galvanic corrosion caused by contact of steel and aluminum is prevented, and the manufacturability is very complex. In order to deal with the situation that the intrusion amount of offset collision, column collision or side collision is large, extruded aluminum cannot be locally enhanced, so that the extruded aluminum can be realized only by adjusting the section of the extruded aluminum at present, but the extruded aluminum is limited by the cavity volume and the interface, and the difficulty of implementing the adjustment is also large.
Disclosure of Invention
The embodiment of the application provides threshold roof beam skeleton texture and threshold roof beam to the threshold roof beam among the solution correlation technique makes the technology more complicated when promoting structural strength, leads to guaranteeing structural strength and simplifies the problem that can not compromise simultaneously in these two aspects of the manufacturing process.
In a first aspect, a threshold beam skeleton construction is provided, comprising:
the main frame body is internally embedded with a reinforcing plate, at least one first connecting groove is formed in each of two side edges of the main frame body distributed along the length direction of the main frame body, and first bonding glue is filled in the first connecting grooves and used for connecting the main frame body with the threshold inner plate and the door ring respectively;
at least two intervals are located the linkage unit of body frame body bottom, each linkage unit's one end all with the body frame body links to each other, all is equipped with connecting piece and at least one on the other end terminal surface and locates the second spread groove of connecting piece side, second spread groove intussuseption is filled with the second bonding glue, the connecting piece be used for with the door ring links to each other, in order to be used for supplementarily the second bonding glue is connected the body frame body and door ring.
In some embodiments, the main frame body comprises a first frame body and a second frame body which are arranged from top to bottom, one side of the first frame body is connected with the second frame body, a reinforcing gap is formed between the first frame body and the second frame body, the reinforcing plate is embedded in the reinforcing gap, and one side, away from the first frame body, of the second frame body is connected with the connecting unit.
In some embodiments, the reinforcing plate is elongated and disposed along the length direction of the main frame body, and the longitudinal section of the reinforcing plate is U-shaped.
In some embodiments, the longitudinal section of the connecting unit is approximately trapezoidal, and the size of the connecting unit gradually decreases along the direction away from the main frame body, one end of the connecting unit away from the main frame body is an inclined surface which gradually inclines downwards towards the direction away from the door ring, and the inclined surface is provided with the second connecting groove and the connecting piece.
In some embodiments, the connecting member includes a first connecting head and a second connecting head connected to the first connecting head, the first connecting head and the second connecting head are symmetrically arranged in opposite directions, the first connecting head is used for being connected to the connecting unit, and the second connecting head is used for being connected to the door ring.
In some embodiments, the depth dimension of the first connecting groove ranges from 7 mm to 9mm, and the depth dimension of the second connecting groove is not greater than 1 mm.
In some embodiments, the first adhesive glue is epoxy foam glue, the coating thickness size range of the first adhesive glue is 4-6 mm, and the second adhesive glue is impact-resistant structural glue.
In some embodiments, the first frame body, the second frame body, the connecting unit and the reinforcing plate are integrally formed by injection molding.
In some embodiments, the bottoms of the first frame body and the second frame body are both provided with a square vertical lining structure.
In a second aspect, there is provided a threshold beam comprising:
the sill beam framework structure;
the threshold inner plate is arranged on one side of the threshold beam framework structure;
and the door ring is arranged on the other side of the sill beam framework structure.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a threshold beam skeleton structure, which meets the requirements of side collision and column collision of a vehicle by embedding a reinforcing plate in the threshold beam skeleton structure, fills first bonding glue in a first connecting groove, so that the main frame body is respectively connected with the threshold inner plate and the door ring, and according to the collision result of the vehicle body, the first connecting groove is reserved on the corresponding main frame body at the position where the bonding needs to be strengthened, the design is flexible, in addition, the connecting unit is arranged at the bottom of the main frame body, the connecting unit is provided with a connecting piece and a second connecting groove filled with second bonding glue, the door ring is further connected with the door ring through the second bonding glue, in addition, the connecting piece is used for assisting the second adhesive to further connect the main frame body and the door ring, thereby greatly facilitating the installation and temporary fixation, the door ring can be assembled outside a factory in advance, so that the installation efficiency is improved while the fixing effect is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a sill beam framework structure and a door ring when the sill beam framework structure and the door ring are fixed according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a complete structure of a sill beam framework structure, a sill inner panel and a door ring, which are fixed according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
fig. 4 is a side partial structural view of a sill beam framework structure according to an embodiment of the present disclosure;
fig. 5 is a bottom portion schematic view of a rocker beam skeletal structure provided in an embodiment of the present application.
In the figure: 1-a main frame body, 10-a first connecting groove, 11-a first adhesive, 12-a first frame body, 13-a second frame body, 14-a reinforcing gap, 2-a reinforcing plate, 3-a threshold inner plate, 4-a door ring, 5-a connecting unit, 50-a connecting piece, 500-a first connecting head, 501-a second connecting head, 51-a second connecting groove and 52-a second adhesive.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, 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 application.
The embodiment of the application provides a threshold roof beam skeleton texture, and it can solve threshold roof beam among the prior art and make technology more complicated when promoting structural strength, leads to guaranteeing structural strength and simplifies the problem that can not compromise simultaneously in these two aspects of the manufacture technology.
Referring to fig. 1 and 2, the sill beam frame structure includes a main frame body 1 and at least two connection units 5 spaced apart from each other at the bottom of the main frame body 1, the main frame body 1 is embedded with a reinforcing plate 2, two side edges of the main frame body 1 distributed along the length direction are respectively provided with at least one first connecting groove 10, the first connecting grooves 10 are filled with first bonding glue 11, for connecting the main frame body 1 with the doorsill inner plate 3 and the door ring 4 respectively, one end of each connecting unit 5 is connected with the main frame body 1, the end surface of the other end is provided with a connecting piece 50 and at least one second connecting groove 51 arranged at the side edge of the connecting piece 50, the second connecting grooves 51 are filled with second bonding glue 52, and the connecting members 50 are used for connecting with the door rings 4 to assist the second bonding glue 52 in connecting the main frame body 1 and the door rings 4. Specifically, in the related art, the position of the threshold beam, which needs to be locally reinforced, cannot be locally reinforced due to the aluminum extrusion process, the realization difficulty is high, the position can be realized only by adjusting the cross section of the extruded aluminum, but the position is limited by the cavity volume and the interface, and the difficulty in implementing the adjustment is also high, so that the situation that the intrusion amount is large due to offset collision, column collision or side collision is poor to deal with. The sill beam framework structure can extend from the lower part of the column A of a vehicle to the lower part of the column C, and forms a structural component assembly for resisting side collision, column collision, offset collision and improving the integral bending rigidity of a vehicle body together with an inner sill and an outer sill.
Further, as shown in fig. 3, the main frame body 1 specifically includes a first frame body 12 and a second frame body 13 which are arranged from top to bottom, one side of the first frame body 12 is connected to the second frame body 13, a reinforcing gap 14 is formed between the first frame body and the second frame body 13, the reinforcing plate 2 is embedded in the reinforcing gap 14, and one side of the second frame body 13, which is far away from the first frame body 12, is connected to the connecting unit 5. Specifically, the first frame body 12 and the second frame body 13 adopt a design scheme of adding a whole plastic and glass fiber, the adopted plastic and glass fiber are generally PA6-GF35, and can also be expanded to other non-metal materials with higher strength or suitable strength, wherein the first frame body 12, the second frame body 13, the connecting unit 5 and the reinforcing plate 2 are integrally formed by injection molding, specifically, the two-color injection molding is combined, the reinforcing plate 2 is placed at the corresponding position of an injection mold according to the actual requirement, then the main frame body 1 is coated outside the reinforcing plate 2 by injection molding in a double-color injection molding mode, the molded main frame body 1 is of a complete structure without a gap, the structural strength of the main frame body 1 can be ensured to the maximum extent, and the position of the reinforcing plate 2 can be flexibly adjusted in the whole process, and even the number of the reinforcing plates 2 can be increased.
Further, since the main frame body 1 itself has a long bar shape and extends from the lower portion of the a pillar to the lower portion of the C pillar, the reinforcing plate 2 also has a long bar shape and is disposed along the length direction of the main frame body 1, from the viewpoint of structural design, the first frame body 12 and the second frame body 13 both have substantially U-shaped structures, and one end portion of the first frame body 12 is connected to a corresponding end portion of the second frame body 13 to form a substantially serpentine structure, so that the overlapping area on the vertical surface is increased, the structural strength of the main frame body 1 is enhanced as much as possible while the weight is reduced as much as possible, correspondingly, the longitudinal section of the reinforcing plate 2 is also U-shaped and is embedded in the reinforcing gap 14 formed by connecting the first frame body 12 and the second frame body 13, and reinforcing ribs for connecting two side walls are also added in the reinforcing plate 2, the structural strength of the reinforcing plate 2 is further increased, and therefore the structural strength and the anti-collision performance of the whole sill beam framework structure are improved.
Further, as shown in fig. 5, since the whole threshold beam skeleton structure is finally wrapped in the threshold inner plate 3 and the door ring 4, the corresponding sides of the first frame body 12 and the second frame body 13 are all provided with the first connecting groove 10, the first connecting groove 10 is filled with the first bonding glue 11, which are formed in a double-color injection molding process, so that the first frame body 12 and the second frame body 13 are firstly connected and fixed with the threshold inner plate 3 and the door ring 4 through the first bonding glue 11, in order to ensure the connection stability and be connected with the door ring 4 in a fitting manner as much as possible, the longitudinal section of the connecting unit 5 is approximately of a trapezoid structure, the size of the connecting unit is gradually reduced along the direction away from the main frame body 1, the longest bottom edge of the connecting unit is connected with the second frame body 13, one shorter side edge of the connecting unit is connected with the door ring 4 through the first bonding glue 11, one side of the connecting unit 5, which is a relatively short side corresponding to the bottom side, is an inclined surface that is gradually inclined downward in a direction away from the door ring 4, and the inclined surface is provided with the second connecting groove 51 and the connecting member 50. Specifically, this inclined plane with doorsill beam skeleton texture pastes and establishes, after doorsill beam skeleton texture basic forming, its whole can be on line down earlier alone with doorsill beam skeleton texture connects fixedly, can be earlier through to the intussuseption of second spread groove 51 second adhesive 52, and pass through second adhesive 52 will coupling unit 5 with doorsill beam 4 realizes tentatively fixing, recycles afterwards coupling unit 50 realizes coupling unit 5 with rigid connection between doorsill beam skeleton texture has guaranteed second adhesive 52 the stability of position between the two under the complete dry and thorough condition still, dual fixed structure also guaranteed doorsill beam skeleton texture with the fixity of being connected between doorsill beam skeleton texture 4.
Further, as shown in fig. 4 and 5, the connecting member 50 specifically includes a first connecting head 500 and a second connecting head 501 connected to the first connecting head 500, the first connecting head 500 and the second connecting head 501 are symmetrically arranged in opposite directions, the first connecting head 500 is used for being connected to the connecting unit 5, and the second connecting head 501 is used for being connected to the door ring 4. Specifically, through first connector 500 with second connector 501 respectively with linkage unit 5 and door ring 4 link to each other, thereby make it is fixed to realize between linkage unit 5 and the door ring 4, here, first connector 500 with second connector 501 with can be for the joint between linkage unit 5 and the door ring 4, also can be for a connection structure for adaptations such as spiro union for joint one, convenience when having guaranteed the installation and the steadiness after the installation.
Further, from structural design's angle, the depth dimension value scope of first connecting groove 10 is 7 ~ 9mm, the depth dimension of second connecting groove 51 is not more than 1mm, first adhesive tape 11 is preferably epoxy foam adhesive, because epoxy foam adhesive is after the coating is accomplished, self has a process that foams the thickening, consequently the coating thickness dimension value scope of first adhesive tape 11 is 4 ~ 6mm, than the degree of depth of first connecting groove 10 is about 3mm less, makes first adhesive tape 11 foam after complete just with threshold inner panel 3 or door ring 4 carry out the adhesion, avoid coating too much back cause the foam adhesive to spill or produce the top to push up the scheduling problem to the structure. The second adhesive 52 is preferably an impact-resistant structural adhesive which can be well adapted to the vibration environment of the vehicle body and can reduce vibration noise possibly generated at the joint as much as possible.
Further, in order to ensure the overall structural strength as much as possible, the bottoms of the first frame body 12 and the second frame body 13 are both provided with a square vertical lining structure, and the design of the square vertical lining structure can reduce the overall weight as much as possible while ensuring the structural strength and stability.
The technical principle of the threshold beam framework structure is as follows:
the sill beam framework structure is manufactured in a double-color injection molding mode, a complete sill beam framework structure is formed, an embedded notch is not required to be reserved, the integrity and the structural strength of the whole framework are guaranteed, the main frame body framework provides high elastic modulus, the first bonding glue 11 connects the main frame body framework with the high elastic modulus with the door ring 4 vehicle body metal plate to form an integral structure, the bending rigidity of the sill beam framework structure is enhanced, and the side collision performance is improved; the mode that the second adhesive 52 and the connecting piece 50 are connected together is adopted, the process is easier to realize, FDS fastening is not needed, and anti-corrosion glue is not needed to be coated, so that a large amount of welding working hours and equipment investment can be saved, the process difficulty of assembly is greatly reduced, the original assembly working hours are shortened by more than 90%, and meanwhile, the assembly cost is reduced.
The application also provides a threshold roof beam, it includes foretell threshold roof beam skeletal structure, threshold inner panel 3 and knocker 4, wherein, threshold inner panel 3 is located one side of threshold roof beam skeletal structure, knocker 4 its locating threshold roof beam skeletal structure's opposite side. Specifically, the threshold beam framework structure specifically comprises a main frame body 1 and at least two connecting units 5 which are arranged at the bottom of the main frame body 1 at intervals, the main frame body 1 is embedded with a reinforcing plate 2, two side edges of the main frame body 1 distributed along the length direction are respectively provided with at least one first connecting groove 10, the first connecting grooves 10 are filled with first bonding glue 11, for connecting the main frame body 1 with the doorsill inner plate 3 and the door ring 4 respectively, one end of each connecting unit 5 is connected with the main frame body 1, the end surface of the other end is provided with a connecting piece 50 and at least one second connecting groove 51 arranged at the side edge of the connecting piece 50, the second connecting grooves 51 are filled with second bonding glue 52, and the connecting members 50 are used for connecting with the door rings 4 to assist the second bonding glue 52 in connecting the main frame body 1 and the door rings 4.
Further, the main frame body 1 specifically includes from last first support body 12 and the second support body 13 that sets up extremely down, one side of first support body 12 with the second support body 13 links to each other, and with form between the second support body 13 and strengthen clearance 14, strengthen the clearance 14 embedded be equipped with reinforcing plate 2, second support body 13 keeps away from one side of first support body 12 is connected with linkage unit 5.
Further, since the main frame 1 itself has a long bar shape and extends from the lower portion of the a-pillar to the lower portion of the C-pillar, the reinforcing plate 2 also has a long bar shape and is disposed along the length direction of the main frame 1.
Further, the longitudinal section of the connecting unit 5 is approximately trapezoidal, and the size of the connecting unit gradually decreases along the direction away from the main frame body 1, one end of the connecting unit 5 away from the main frame body 1 is an inclined surface which gradually inclines downwards towards the direction away from the door ring 4, and the inclined surface is provided with the second connecting groove 51 and the connecting piece 50.
Further, the connecting piece 50 includes the first connector 500 and with the second connector 501 that the first connector 500 links to each other, just the first connector 500 sets up with the reverse symmetry of second connector 501, the first connector 500 be used for with the linkage unit 5 links to each other, the second connector 501 be used for with the door ring 4 links to each other.
Further, the range of the depth dimension of the first connecting groove 10 is 7-9 mm, and the depth dimension of the second connecting groove 51 is not more than 1 mm.
Further, the first adhesive glue 11 is epoxy foam glue, the coating thickness size range of the first adhesive glue 11 is 4-6 mm, and the second adhesive glue 52 is impact-resistant structural glue.
Further, the first frame body 12, the second frame body 13, the connecting unit 5 and the reinforcing plate 2 are integrally formed by injection molding.
Further, the bottoms of the first frame body 12 and the second frame body 13 are both provided with a square vertical lining structure.
The specific structure of the threshold beam corresponds to the structure of the threshold beam framework structure one by one, and the detailed explanation is omitted.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A threshold roof beam skeleton texture which characterized in that, it includes:
the main frame body (1) is internally embedded with a reinforcing plate (2), at least one first connecting groove (10) is formed in each of two side edges of the main frame body (1) distributed along the length direction of the main frame body, and first bonding glue (11) is filled in each first connecting groove (10) and used for connecting the main frame body (1) with the doorsill inner plate (3) and the door ring (4) respectively;
at least two intervals are located connecting element (5) of body frame body (1) bottom, each the one end of connecting element (5) all with the body frame body (1) links to each other, all is equipped with connecting piece (50) and at least one on the other end terminal surface and locates second spread groove (51) of connecting piece (50) side, second spread groove (51) intussuseption is filled with second bonding glue (52), connecting piece (50) be used for with door ring (4) link to each other, be used for supplementaryly second bonding glue (52) are connected the body frame body (1) and door ring (4).
2. The sill beam frame structure of claim 1, wherein: the main frame body (1) comprises a first frame body (12) and a second frame body (13) which are arranged from top to bottom, one side of the first frame body (12) is connected with the second frame body (13), a reinforcing gap (14) is formed between the second frame body (13), the reinforcing gap (14) is embedded and arranged in the reinforcing plate (2), the second frame body (13) is far away from one side of the first frame body (12) is connected with the connecting unit (5).
3. The sill beam frame structure of claim 1, wherein: the reinforcing plate (2) is long-strip-shaped and is arranged along the length direction of the main frame body (1), and the longitudinal section of the reinforcing plate (2) is U-shaped.
4. The sill beam frame structure of claim 1, wherein: the longitudinal section of the connecting unit (5) is of an approximately trapezoidal structure, the size of the connecting unit is gradually reduced along the direction far away from the main frame body (1), one end, far away from the main frame body (1), of the connecting unit (5) is an inclined surface which is gradually inclined downwards towards the direction far away from the door ring (4), and the second connecting groove (51) and the connecting piece (50) are arranged on the inclined surface.
5. The sill beam frame structure of claim 1, wherein: connecting piece (50) including first connector (500) and with second connector (501) that first connector (500) link to each other, just first connector (500) sets up with second connector (501) reverse symmetry, first connector (500) be used for with linkage unit (5) link to each other, second connector (501) be used for with door ring (4) link to each other.
6. The sill beam frame structure of claim 1, wherein: the range of the depth dimension of the first connecting groove (10) is 7-9 mm, and the depth dimension of the second connecting groove (51) is not more than 1 mm.
7. The sill beam frame structure of claim 1, wherein: the first adhesive glue (11) is epoxy foam glue, the coating thickness size range of the first adhesive glue (11) is 4-6 mm, and the second adhesive glue (52) is impact-resistant structural glue.
8. The sill beam frame structure of claim 2, wherein: the first frame body (12), the second frame body (13), the connecting unit (5) and the reinforcing plate (2) are integrally formed through injection molding.
9. The sill beam frame structure of claim 2, wherein: the bottoms of the first frame body (12) and the second frame body (13) are both provided with a square grid vertical lining structure.
10. A threshold beam, comprising:
the rocker beam skeletal structure of claims 1 to 9;
the threshold inner plate (3) is arranged on one side of the threshold beam framework structure;
and the door ring (4) is arranged on the other side of the sill beam framework structure.
CN202210088826.2A 2022-01-25 2022-01-25 Threshold roof beam skeleton texture and threshold roof beam Active CN114313025B (en)

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CN112407056A (en) * 2020-10-21 2021-02-26 东风汽车集团有限公司 Roof compression structure
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