CN217778766U - Vehicle body upper longitudinal beam, vehicle body structure and vehicle - Google Patents

Abstract

The utility model discloses a longeron, body construction and vehicle on automobile body, the longeron includes on the automobile body: the longeron inner panel with the longeron planking links to each other along inside and outside direction, install interior reinforcing plate between longeron planking and the longeron inner panel, the longeron inner panel includes first inner panel and the second inner panel that links to each other in proper order along the fore-and-aft direction, the length of first inner panel is less than the length of second inner panel, first inner panel with the hookup location of second inner panel is located qianmen upper portion, the longeron planking includes first planking and the second planking that links to each other in proper order along the fore-and-aft direction, the length of first planking is greater than the length of second planking, first planking with the hookup location of second planking is located back door upper portion. The utility model discloses a longeron on the automobile body does benefit to the structural strength who promotes longeron on the automobile body, and carries out differentiation ground design with the welding position of longeron inner panel and longeron planking, can realize keeping away the design frequently, promotes vibration damping performance.

Description

Vehicle body upper longitudinal beam, vehicle body structure and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing technique and specifically relates to a longeron on the automobile body, have the automobile body structure of longeron on this automobile body and have the vehicle of this automobile body structure.

Background

With the improvement of living standard, users increasingly demand large space and comfort of vehicles. The size of the vehicle is increased, the strength of the vehicle body is inevitably required to be improved so as to meet the requirement of the attenuation of excitation energy of the power assembly, a quiet and comfortable driving space is still provided for a user on the basis of the increase of the space of the vehicle, the position of a longitudinal beam of the vehicle body is the main part of the whole vehicle body, which receives the excitation of the power assembly and transmits the excitation to a vehicle body plate, and the strength of the longitudinal beam directly influences the integral level of the whole vehicle body. In the related art, the vehicle body upper longitudinal beam is generally designed to be a box-shaped reinforcing structure, the rigidity is low, the vibration energy attenuation performance is poor, the energy transmitted to the vehicle body plate is not well attenuated, and the improvement space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a longeron on automobile body can realize keeping away the design frequently when promoting longeron structural strength on the automobile body, reduces the sensitivity of vibration transmission.

According to the utility model discloses longeron on automobile body, include: the longeron inner panel with the longeron planking links to each other along inside and outside direction, install interior reinforcing plate between longeron planking and the longeron inner panel, the longeron inner panel includes first inner panel and the second inner panel that links to each other in proper order along the fore-and-aft direction, the length of first inner panel is less than the length of second inner panel, first inner panel with the hookup location of second inner panel is located qianmen upper portion, the longeron planking includes first planking and the second planking that links to each other in proper order along the fore-and-aft direction, the length of first planking is greater than the length of second planking, first planking with the hookup location of second planking is located back door upper portion.

According to the utility model discloses longeron on automobile body through set up interior reinforcing plate between longeron inner panel and longeron planking, does benefit to the structural strength who promotes longeron on the automobile body, and carries out differentiation ground design with the welding position of longeron inner panel and longeron planking, can realize keeping away the design frequently, promotes the vibration attenuation performance.

According to the utility model discloses longeron on the automobile body of some embodiments, interior reinforcing plate respectively with first planking with the second planking links to each other.

According to some embodiments of the present invention, the inner gusset is configured to have an arcuate cross-section.

According to the utility model discloses longeron on the automobile body of some embodiments, interior reinforcing plate is L1 along fore-and-aft direction's extension length, and satisfies: l1 is more than or equal to 145mm and less than or equal to 155mm.

According to the utility model discloses longeron on the automobile body of some embodiments, the length of first inner panel with the ratio of the length of second inner panel is 1:2; and/or the ratio of the length of the first outer plate to the length of the second outer plate is 2:1.

the utility model also provides an automobile body structure.

According to the utility model discloses body construction, including B post and any kind of above-mentioned embodiment the automobile body on longeron, the upper end of B post with the longeron links to each other on the automobile body.

According to the utility model discloses body structure of some embodiments, the downside border department of longeron planking is formed with the connection turn-ups, connect the turn-ups structure for having the connection face of echelonment, connect the face be used for with the upper end laminating of B post is connected.

According to the utility model discloses body structure of some embodiments, the upper end of B post is formed with forward extension's anterior turn-ups and the rear portion turn-ups of extending backward, anterior turn-ups with the rear portion turn-ups is all in the upper end of B post with the laminating of longeron planking links to each other.

According to the utility model discloses body structure of some embodiments, the length that anterior turn-ups extended forward is L2, the length that the rear portion turn-ups extended backward is L3, and satisfies: l2 is more than or equal to 95mm and less than or equal to 105mm, and L3 is more than or equal to 75mm and less than or equal to 85mm.

The utility model also provides a vehicle.

According to the utility model discloses the vehicle is provided with any one kind of embodiment the body structure.

The vehicle, the vehicle body structure and the vehicle body upper longitudinal beam have the same advantages compared with the prior art, and are not described in detail herein.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of an assembly of a longitudinal beam and a B-pillar on a vehicle body according to an embodiment of the present invention;

fig. 2 is an assembly schematic view of a longeron inner panel and a B-pillar according to an embodiment of the present invention;

FIG. 3 is an enlarged partial view of the assembly of the upper body rail to the B-pillar in accordance with an embodiment of the present invention;

FIG. 4 is a close-up view of the assembly of the upper body rail to the B-pillar (without the second outer panel) in accordance with an embodiment of the present invention;

fig. 5 is a partial enlarged view of the stringer inner panel and B-pillar assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an inner reinforcing plate according to an embodiment of the present invention.

Reference numerals:

the vehicle body upper side member 100 is,

a stringer outer panel 1, a first outer panel 11, a second outer panel 12, a stringer inner panel 2, a first inner panel 21, a second inner panel 22, an inner reinforcement panel 3, a main panel portion 31, a brace portion 32,

b-pillar 200, front flange 210, rear flange 220, and A-pillar 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e. the Z direction.

The following describes with reference to fig. 1-6 that the longitudinal beam 100 on the vehicle body according to the embodiment of the present invention can realize the frequency avoiding design while improving the structural strength of the longitudinal beam 100 on the vehicle body, reduce the sensitivity of vibration transmission, and improve the performance of the whole vehicle.

As shown in fig. 1 to 6, the longitudinal beam 100 on the vehicle body according to the embodiment of the present invention includes: a stringer outer panel 1 and a stringer inner panel 2.

Longeron inner panel 2 links to each other with longeron planking 1 along inside and outside direction, border department and the border department laminating of longeron planking 1 link to each other like longeron inner panel 2, so that longeron inner panel 2 and longeron planking 1 are connected as a whole, and install interior reinforcing plate 3 between longeron planking 1 and longeron inner panel 2, interior reinforcing plate 3 supports between longeron planking 1 and longeron inner panel 2, in order to play the effect of structure enhancement between the two, promote the structural strength of longeron 100 on the automobile body, vibration energy decay performance is good, do benefit to the vibration energy that reduces transmission to automobile body panel.

As shown in fig. 2, the longitudinal beam inner panel 2 includes a first inner panel 21 and a second inner panel 22 that are sequentially connected in the front-rear direction, in other words, the longitudinal beam inner panel 2 is a split structure, so that the first inner panel 21 and the second inner panel 22 can be respectively formed, which is beneficial to reducing the forming difficulty of a single workpiece and reducing the forming cost. And the first inner plate 21 is located at the front side of the second inner plate 22, wherein the rear end of the first inner plate 21 can be fixedly connected with the front end of the second inner plate 22, if the two are connected by welding, the length of the first inner plate 21 is smaller than that of the second inner plate 22, and the connecting position of the first inner plate 21 and the second inner plate 22 is located at the upper part of the front door. Thus, the upper side member 100 is formed and the frequency avoiding design is realized, and the side member inner panel 2 can be extended toward the a-pillar 300 to improve the strength of the upper side member 100 by the strength of the a-pillar 300.

As shown in fig. 1, the stringer outer panel 1 includes a first outer panel 11 and a second outer panel 12 connected in sequence along the front-back direction, in other words, the stringer outer panel 1 is also configured as a split structure, so that the first outer panel 11 and the second outer panel 12 can be formed separately, which is beneficial to reducing the forming difficulty of a single workpiece and reducing the forming cost. And the first outer plate 11 is located at the front side of the second outer plate 12, wherein the rear end of the first outer plate 11 can be fixedly connected with the front end of the second outer plate 12, if the two are connected by welding, the length of the first outer plate 11 is greater than that of the second outer plate 12, and the connecting position of the first outer plate 11 and the second outer plate 12 is located at the upper part of the rear door. Thus, the upper side member 100 is formed and the frequency avoiding design is realized, and the side member outer panel 1 can be extended toward the a-pillar 300 to improve the strength of the upper side member 100 by the strength of the a-pillar 300.

That is, the welding positions of the first inner panel 21 and the second inner panel 22 of the side member inner panel 2 and the welding positions of the first outer panel 11 and the second outer panel 12 of the side member outer panel 1 are located at different positions in the front-rear direction, respectively, so that the design of avoiding the frequency of the structure of the side member inner panel 2 and the side member outer panel 1 is further realized, and the vibration transmission sensitivity is reduced.

According to the utility model discloses longeron 100 on the automobile body, through set up interior reinforcing plate 3 between longeron inner panel 2 and longeron planking 1, do benefit to the structural strength who promotes longeron 100 on the automobile body, and design longeron inner panel 2 and longeron planking 1's welding position differentiation, can realize keeping away the design frequently, promote the vibration damping performance.

In some embodiments, the inner reinforcement panel 3 is connected to the first outer panel 11 and the second outer panel 12, respectively. During the concrete connection, the outer side surface of the front end of the inner reinforcing plate 3 is attached to the inner side surface of the rear end of the first outer plate 11, and the outer side surface of the rear end of the inner reinforcing plate 3 is attached to the inner side surface of the front end of the second outer plate 12.

From this, can first planking 11 and second planking 12 not only can directly link to each other, and the accessible reinforcing plate is connected fixedly to increase the connection area between first planking 11 and the second planking 12, promote the connection effect, and then can guarantee first planking 11 and second planking 12's installation stability.

In some embodiments, the inner gusset 3 is configured to have an arcuate cross-section, i.e., the inner gusset 3 includes a main plate portion 31 and two leg plate portions 32. Wherein, two board portions 32 are connected in the both sides of main board portion 31, and when actual installation, two board portions 32 all support in the door inner panel to keep apart main board portion 31 and door inner panel, and link to each other the front side region of main board portion 31 and the laminating of first planking 11, and link to each other the rear side region of main board portion 31 and the laminating of second planking 12, thereby make interior reinforcing plate 3 still link to each other with the door inner panel under the circumstances of connecting first planking 11 and second planking 12, do benefit to the overall structure intensity that promotes longeron on the door.

Wherein, interior reinforcing plate 3 is through the structural design who has arch cross section for interior reinforcing plate 3 is bigger including the ascending structural strength of outside to, from this when receiving the impact of inside and outside direction, and interior reinforcing plate 3 is difficult for taking place structural deformation, and stable in structure life is longer, and does benefit to and reduces vibration transmission sensitivity.

In some embodiments, the extension length of the inner reinforcement plate 3 in the front-rear direction is L1, and satisfies: 145mm L1 155mm, such as setting L1 to 147mm, or to 150mm, and also to 153mm, the specific extension length can be flexibly set according to the actual setting requirement.

Wherein, setting the extension length of the inner reinforcement plate 3 within the above range can ensure that the inner reinforcement plate 3 has a sufficient connection length for connection with the first and second outer plates 11 and 12, thereby enhancing the connection effect of the first and second outer plates 11 and 12. And the length of the inner reinforcing plate 3 is not set too large, so that the waste of materials is avoided.

In some embodiments, the ratio of the length of the first inner plate 21 to the length of the second inner plate 22 is 1:2, and/or the ratio of the length of the first outer panel 11 to the length of the second outer panel 12 is 2:1. that is, the length of the first inner panel 21 is half of the length of the second inner panel 22, and the length of the second outer panel 12 is half of the length of the first outer panel 11 so that the connecting position of the first inner panel 21 and the second inner panel 22 and the connecting position of the first outer panel 11 and the second outer panel 12 are shifted in the front-rear direction.

In other words, the connecting position of the first inner plate 21 and the second inner plate 22 is located at one-third position in the front-rear direction of the vehicle body upper longitudinal beam 100, and the connecting position of the first outer plate 11 and the second outer plate 12 is located at two-thirds position in the front-rear direction of the vehicle body upper longitudinal beam 100, so that the connecting positions of the two are uniformly distributed at intervals in the front-rear direction, the rigidity difference between the vehicle door inner plate and the vehicle door outer plate is realized, the frequency avoiding design is realized, and the structural strength of the vehicle body upper longitudinal beam 100 is favorably improved.

The utility model also provides an automobile body structure.

According to the utility model discloses vehicle body structure, including B post 200 and the longeron 100 on the automobile body of any kind of embodiment above-mentioned, the upper end of B post 200 links to each other with longeron 100 on the automobile body.

That is, as shown in fig. 1 to 4, the upper end of the B-pillar 200 is fixedly connected to the lower side surface of the upper side member 100 of the vehicle body, so that the B-pillar 200 and the upper side member 100 of the vehicle body are connected as a whole, and the structure and the stability of the support of the upper side member 100 of the vehicle body are improved by the support connection function of the B-pillar 200.

In some embodiments, the lower side edge of the stringer outer panel 1 is formed with a connecting flange, wherein, as shown in fig. 1 and 3, the connecting flange is formed by bending at the lower side edge of the stringer outer panel 1, so that the connecting flange is configured to have a step-shaped connecting surface for being attached to the upper end of the B-pillar 200.

Wherein, connect the turn-ups through setting up, not only do benefit to the structural strength who promotes longeron planking 1, and do benefit to the connection area that increases the upper end of longeron planking 1 and B post 200 to make longeron planking 1 can stably support in the upper end of B post 200, promote longeron planking 1 and B post 200's stability of being connected.

In some embodiments, the upper end of the B-pillar 200 is formed with a front flange 210 extending forward and a rear flange 220 extending rearward, as shown in fig. 3, the front flange 210 is extended convexly at the front side edge of the upper end of the B-pillar 200, and the rear flange 220 is extended convexly at the rear side edge of the upper end of the B-pillar 200, so that the upper end of the B-pillar 200 is extended in the front-rear direction over a large length.

Therefore, when the connection is specifically performed, the front flange 210 and the rear flange 220 are both attached to the longitudinal beam outer panel 1 at the upper end of the B-pillar 200, that is, the upper end of the B-pillar 200 is attached to the longitudinal beam outer panel 1 at a longer position in the front-rear direction, and then the connection area between the upper end of the B-pillar 200 and the longitudinal beam outer panel 1 is greatly increased by matching with the stepped surface of the longitudinal beam outer panel 1, so that the connection stability between the upper end of the B-pillar 200 and the longitudinal beam outer panel 1 is improved.

In some embodiments, the front cuff 210 extends forward a length L2 and the rear cuff 220 extends rearward a length L3, and satisfies: l2 is more than or equal to 95mm and less than or equal to 105mm, and L3 is more than or equal to 75mm and less than or equal to 85mm. Such as setting L2 to 98mm, L3 to 78mm, or L2 to 101mm, L3 to 83mm, or other combinations for the design arrangement.

Therefore, the front flanging 210 and the extension length of the rear flanging 220 are respectively set in the range, so that the front flanging 210 and the rear flanging 220 respectively have larger extension length to be fixedly connected with the longitudinal beam outer plate 1, the connection strength of the upper end of the B column 200 and the longitudinal beam outer plate 1 is improved, the material waste caused by the arrangement of the front flanging 210 and the rear flanging 220 is avoided, and the design cost is saved.

The utility model also provides a vehicle.

According to the utility model discloses the vehicle is provided with the body construction of any kind of above-mentioned embodiment, through setting up this body construction, has promoted longeron 100's structural strength on the automobile body, and carries out differentiation ground design with longeron inner panel 2 and longeron planking 1's welding position, can realize keeping away the design frequently, promotes the vibration damping performance. And the upper end of the B-pillar 200 is connected and fixed with the side rail outer panel 1 in a large area, so that the overall structural strength and stability of the vehicle body structure are enhanced.

1. In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

2. In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

3. In the description of the present invention, "a plurality" means two or more.

4. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

5. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vehicle body upper rail (100), comprising:

longeron planking (1) and longeron inner panel (2), longeron inner panel (2) with longeron planking (1) links to each other along inside and outside direction, install interior reinforcing plate (3) between longeron planking (1) and longeron inner panel (2), longeron inner panel (2) include first inner panel (21) and second inner panel (22) that link to each other in proper order along the fore-and-aft direction, the length of first inner panel (21) is less than the length of second inner panel (22), first inner panel (21) with the hookup location of second inner panel (22) is located qianmen upper portion, longeron planking (1) includes first planking (11) and second planking (12) that link to each other in proper order along the fore-and-aft direction, the length of first planking (11) is greater than the length of second planking (12), first planking (11) with the hookup location of second planking (12) is located back door upper portion.

2. The vehicle body upper rail (100) according to claim 1, wherein the inner reinforcement panel (3) is connected to the first outer panel (11) and the second outer panel (12), respectively.

3. The vehicle body upper rail (100) according to claim 1, characterized in that the inner gusset (3) is configured to have an arcuate cross section.

4. The vehicle body upper side member (100) according to claim 1, wherein the extension length of the inner gusset (3) in the front-rear direction is L1, and satisfies: l1 is more than or equal to 145mm and less than or equal to 155mm.

5. The vehicle body upper rail (100) according to claim 1, characterized in that the ratio of the length of the first inner panel (21) to the length of the second inner panel (22) is 1:2;

and/or the ratio of the length of the first outer plate (11) to the length of the second outer plate (12) is 2:1.

6. a vehicle body structure characterized by comprising a B-pillar (200) and the upper vehicle body side member (100) according to any one of claims 1 to 5, an upper end of the B-pillar (200) being connected to the upper vehicle body side member (100).

7. The vehicle body structure according to claim 6, wherein a connecting flange is formed at the lower side edge of the side member outer panel (1), and the connecting flange is configured to have a step-shaped connecting surface for being attached to the upper end of the B-pillar (200).

8. The vehicle body structure according to claim 6, wherein the upper end of the B-pillar (200) is formed with a forward flange (210) extending forward and a rear flange (220) extending rearward, and both the forward flange (210) and the rear flange (220) are in abutting connection with the side member outer panel (1) at the upper end of the B-pillar (200).

9. The vehicle body structure according to claim 8, wherein the front flange (210) extends forward by a length L2, and the rear flange (220) extends rearward by a length L3, and satisfies: l2 is more than or equal to 95mm and less than or equal to 105mm, and L3 is more than or equal to 75mm and less than or equal to 85mm.

10. A vehicle, characterized in that a body structure according to any one of claims 6-9 is provided.

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