CN214451338U

CN214451338U - Combined support and automobile

Info

Publication number: CN214451338U
Application number: CN202120582058.7U
Authority: CN
Inventors: 王德雨
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-22
Anticipated expiration: 2031-03-22

Abstract

The utility model provides a sectional shelf-unit and car, the sectional shelf-unit is used for supporting the below at windshield bottom end rail, include: the upper bracket is used for connecting the lower cross beam of the front windshield and the air chamber plate; the lower bracket is used for being connected in the groove of the ventilation cover plate and forms a closed loop structure with the groove of the ventilation cover plate; the connecting bracket is connected and supported between the upper bracket and the lower bracket, and the air chamber plate and the ventilation cover plate form a closed frame structure by the combined bracket to support the lower cross beam of the front windshield. The utility model provides a sectional shelf-unit can improve the rigidity of support and peripheral plate, reduces the vibration of the associated piece that the engine load excitation caused, avoids arousing the sound of boom, improves the quality of whole car.

Description

Combined support and automobile

Technical Field

The utility model belongs to the technical field of car additional strengthening, concretely relates to sectional shelf and have this sectional shelf's car.

Background

With the improvement of living standard of people, automobile consumers have higher and higher requirements on the quality of automobiles. The riding comfort, the safety and the quietness degree of the vehicle are more and more concerned by consumers, the quality of the whole vehicle can be improved due to low noise in the vehicle, and a good impression is left for the consumers.

The engine is one of the main noise sources of vehicle noise, the load excitation of the engine is transmitted to the vehicle body through the suspension, the transmission system and the air intake and exhaust system, the vibration of a vehicle body plate is excited, and further the noise in the vehicle is caused.

The lower front windshield cross beam is a main component of the vehicle body, is positioned at the upper end of the firewall, plays a role in supporting a front windshield bonding surface, and has weaker structural rigidity, so that the middle part of the lower front windshield cross beam can generate local vibration in the use process of the vehicle; in addition, the wiper support is generally arranged on the lower cross beam of the front windshield, the structural rigidity of the lower cross beam of the front windshield closely influences the rigidity and the dynamic rigidity of a wiper mounting point, and the lower rigidity of the lower cross beam of the front windshield can cause that the wiper cannot be normally used or abnormal sound is generated in the using process.

At present, a bracket is generally arranged between a lower cross beam of a front windshield and an air chamber plate, the rigidity of the bracket is weaker, the bracket is generally supported by a single point, the supporting range is small, only a certain supporting effect is realized on the lower cross beam of the front windshield, and the rigidity of a peripheral plate is difficult to guarantee; and because the vent cover plate is connected with the air chamber plate, the vent cover plate is excited by load, so that the air chamber plate and the peripheral structure are easily driven to vibrate, the roaring sound is caused, the discomfort of passengers is caused, and the good impression of the whole automobile of consumers is reduced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a combined support aims at reducing the excitation of windscreen bottom end rail modal load, reduces the rumble that the vibration arouses, improves the comfort that the passenger was taken bus.

In a first aspect, an embodiment of the present invention provides a combined support, which is used for supporting below a lower beam of a front windshield, and includes:

the upper bracket is used for connecting the lower cross beam of the front windshield and the air chamber plate;

the lower support is connected in the groove of the ventilation cover plate and forms a closed-loop structure with the groove of the ventilation cover plate; and

and the connecting bracket is connected and supported between the upper bracket and the lower bracket, and enables the air chamber plate and the ventilation cover plate to form a closed frame structure by virtue of the combined bracket so as to support the lower cross beam of the front windshield.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that the lower support and the groove of the ventilation cover plate form a closed-loop structure, so that the rigidity of the ventilation cover plate can be improved, and the effects of energy absorption, shock absorption and noise reduction are achieved; the connecting bracket is connected and supported between the upper bracket and the lower bracket, and the air chamber plate and the ventilation cover plate form a closed frame structure by virtue of the combined bracket to support the lower cross beam of the front windshield, so that the supporting rigidity of the combined bracket to the lower cross beam of the front windshield can be improved; because the lower cross beam of the front windshield is mutually associated with the peripheral plate through the combined bracket, the rigidity of the peripheral plate can be improved, the vibration of the associated piece caused by the load excitation of an engine is reduced, and the occurrence of acoustic boom is avoided; meanwhile, the combined support, the air chamber plate and the ventilation cover plate are enclosed to form a closed frame structure, so that the effects of energy absorption and noise reduction can be achieved, the phenomenon of rolling is avoided, and the riding comfort is improved.

With reference to the first aspect, in one possible implementation manner, the upper bracket has a first upper connection portion for connecting the front windshield lower cross member, a first middle connection portion for connecting the connecting bracket, and a first lower connection portion for connecting the air chamber plate; the first upper connecting part, the first middle connecting part and the first lower connecting part are bent and extended in the same direction and are matched with the connecting part of the connecting component along with the shape.

With reference to the first aspect, in a possible implementation manner, two opposite ends of the connecting bracket are respectively provided with a second upper connecting portion for connecting the upper bracket and a second lower connecting portion for connecting the lower bracket; the second upper connecting part and the second lower connecting part are matched with the connecting parts of the connecting components along with the shape.

With reference to the first aspect, in a possible implementation manner, two opposite ends of the lower bracket are provided with a third front connecting part and a third rear connecting part for connecting different positions of the vent cover plate, and a third middle connecting part for connecting the connecting brackets; the third front connecting part, the third middle connecting part and the third rear connecting part are matched with the connecting parts of the connecting components along with the shape.

With reference to the first aspect, in a possible implementation manner, the upper bracket, the connecting bracket and the lower bracket are all sheet metal parts and have bent reinforcing flanges.

With reference to the first aspect, in a possible implementation manner, the lower bracket further has a bending portion protruding toward the upper bracket, and the connecting bracket is connected to a rear slope surface of the bending portion of the lower bracket, the rear slope surface being close to the third rear connecting portion.

With reference to the first aspect, in a possible implementation manner, the reinforcing flange of the lower bracket extends toward the upper bracket, the plate surface of the upper bracket and the plate surface of the lower bracket are arranged in a vertical manner, and the connecting portion of the connecting bracket and the upper bracket does not fall behind the highest point of the bending portion of the lower bracket.

With reference to the first aspect, in one possible implementation manner, the connecting bracket is connected with the upper bracket and the lower bracket through bolts.

With reference to the first aspect, in one possible implementation manner, the upper bracket and/or the lower bracket are/is provided with a lightening hole.

In a second aspect, embodiments of the present invention further provide an automobile, including a combination bracket as claimed in the claims.

The utility model provides a car, syllogic sectional shelf-unit mount are below the windscreen bottom end rail, fixed windscreen bottom end rail, air chamber board and vent flap respectively before the syllogic sectional shelf-unit mount, and every component of this sectional shelf-unit plays certain supporting role to plate on every side respectively to through the interact between support and support, be in the same place each component association, increase substantially the supporting effect, reduce the coupling of automobile body load excitation production and rumble, improve the quality of whole car.

Drawings

Fig. 1 is a schematic perspective view of a combined bracket according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the upper bracket provided in FIG. 1;

FIG. 3 is a schematic structural view of the lower bracket provided in FIG. 1;

FIG. 4 is a schematic structural view of the connecting bracket provided in FIG. 1;

fig. 5 is a schematic front view of a combined bracket according to an embodiment of the present invention.

Description of reference numerals: 1. an upper bracket; 11. a first upper connecting portion; 12. a first lower connecting portion; 13. a first intermediate connection portion; 2. connecting a bracket; 21. a second upper connecting portion; 22. a second lower connecting portion; 3. a lower bracket; 31. a third front connection portion; 32. a third rear connection portion; 33. a third middle connecting part; 4. a closed loop structure; 5. a frame structure; 6. reinforcing the flanging; 7. connecting holes of bolts; 8. and (7) lightening holes.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, the assembled stand of the present invention will now be described. The sectional shelf-unit, is used for supporting the below at preceding windscreen bottom end rail, includes: the air chamber plate comprises an upper bracket 1, a lower bracket 3 and a connecting bracket 2, wherein the upper bracket 1 is used for connecting a front windshield lower cross beam and an air chamber plate; the lower bracket 3 is used for being connected in the groove of the ventilation cover plate and forms a closed loop structure 4 with the groove of the ventilation cover plate; the connecting bracket 2 is connected and supported between the upper bracket 1 and the lower bracket 3, and the air chamber plate and the ventilation cover plate form a closed frame structure 5 by means of the combined bracket to support the lower cross beam of the front windshield.

Compared with the prior art, the combined bracket provided by the embodiment has the advantages that the lower bracket 3 and the groove of the vent cover plate form a closed loop structure 4, so that the rigidity of the vent cover plate can be improved, and the effects of energy absorption, shock absorption and noise reduction are achieved; the connecting bracket 2 is connected and supported between the upper bracket 1 and the lower bracket 3, and the air chamber plate and the ventilation cover plate form a closed frame structure 5 by the combined bracket to support the lower cross beam of the front windshield, so that the supporting rigidity of the combined bracket to the lower cross beam of the front windshield can be improved; because the lower cross beam of the front windshield is mutually associated with the peripheral plate through the combined bracket, the rigidity of the peripheral plate can be improved, the vibration of the associated piece caused by the load excitation of an engine is reduced, and the occurrence of acoustic boom is avoided; meanwhile, the combined support, the air chamber plate and the ventilation cover plate enclose a closed frame structure 5, so that the effects of energy absorption and noise reduction can be achieved, the phenomenon of rolling is avoided, and the riding comfort is improved.

The closed loop structure 4 mentioned in the above embodiment, referring to fig. 5, is due to the inclined installation of the lower bracket 3 relative to the bottom of the groove of the vent cover plate, and due to the bend of the lower bracket 3, the lower bracket 3 and the groove of the vent cover plate form the triangular closed loop structure 4, which can improve the rigidity of the combined bracket, resist the deformation transmitted by the peripheral components, and reduce the rolling phenomenon.

In the embodiment, referring to fig. 5, after the combined support is connected, because the upper support 1 and the lower support 3 are basically parallel, the connecting support 2 is connected between the upper support 1 and the lower support 3, and the closed frame structure 5 formed by the air chamber plate and the combined support can improve the rigidity of the combined support, resist the deformation transmitted by the peripheral components and reduce the rolling phenomenon.

As a modified example, the upper bracket 1 with the above characteristics can adopt the structure as shown in fig. 1 and fig. 2, the upper bracket 1 is provided with a first upper connecting part 11 for connecting a front windshield lower cross beam, a first middle connecting part 13 for connecting the bracket 2 and a first lower connecting part 12 for connecting an air chamber plate; the first upper connecting portion 11, the first middle connecting portion 13 and the first lower connecting portion 12 are bent and extended in the same direction, and are adapted to the connecting portion of the connecting member. The integral structure of the upper support 1 is a horizontal support, 4 first upper connecting parts 11 are arranged at the upper part of the upper support 1, and the welding surfaces of the first upper connecting parts 11 are respectively welded in front of, in the middle of and behind the lower beam of the front windshield; the lower part is provided with 1 welding surface which is welded with the air chamber plate; the rear part is provided with 1 bolt connecting hole 7 which is connected with the upper part of the connecting bracket 2 through a bolt. The upper bracket 1 is connected with the lower beam of the front windshield at multiple points to form multi-point support, so that the support range is enlarged.

Referring to fig. 1 and 2, the upper bracket 1 is compared with the existing structure, and the horizontal type structure is adopted, so that the upper bracket 1 has the advantages of large span and capability of comprehensively supporting the lower cross beam of the front windshield, but due to the horizontal reason, the supporting rigidity in the vertical direction is not enough, and the good supporting effect is difficult to achieve, but the connecting bracket 2 is vertically arranged and is respectively connected with the upper bracket 1 and the lower bracket 3, and the defect that the vertical supporting effect of the upper bracket 1 is poor is overcome.

It should be understood that the transverse arrangement of the upper bracket 1 of the present embodiment is substantially along the front-back direction.

It should be noted that the technical features of the above-mentioned embodiments and the following embodiments and other related directional terms such as "up, down, left, right, front, and rear" are consistent with the orientation of the automobile itself, and do not limit the technical solution.

Referring to fig. 1 and 4, in a possible implementation manner of the connecting bracket 2, two opposite ends of the connecting bracket 2 are respectively provided with a second upper connecting portion 21 for connecting the upper bracket 1 and a second lower connecting portion 22 for connecting the lower bracket 3; the second upper connecting portion 21 and the second lower connecting portion 22 are adapted to the connecting portion of each connecting member. In order to meet the process installation requirements, the upper end and the lower end of the connecting support 2 are respectively provided with a bolt connecting hole 7, the upper end of the connecting support is in threaded connection with the upper support 1, and the lower end of the connecting support is in threaded connection with the lower support 3. The lower end of the connecting bracket 2 is supported on the lower bracket 3, and the rigidity of the supporting point is far greater than that of the structure that the lower end of the connecting bracket 2 is directly supported on a peripheral plate (such as a ventilation cover plate), so that the lower bracket 3 has a part of functions to indirectly improve the vertical supporting rigidity of the lower beam of the front windshield, and the vibration and the sound can be reduced.

Referring to fig. 1 and 3, in one embodiment of the lower bracket 3, opposite ends of the lower bracket 3 are provided with a third front connecting portion 31 and a third rear connecting portion 32 for connecting different positions of the vent cover plate, and a third middle connecting portion 33 for connecting the bracket 2; the third front connecting portion 31, the third middle connecting portion 33 and the third rear connecting portion 32 are adapted to the connecting portion of each connecting member.

Specifically, referring to fig. 1 and 3, the lower bracket 3 in the embodiment has a bent structure in a left or right side view, which is beneficial to improving the bending rigidity of the lower bracket 3, and the front and rear ends of the lower bracket 3 are respectively provided with a welding surface, which is welded with the front and rear ends in the groove of the vent cover plate; the middle part is provided with a bolt connecting hole 7 which is in threaded connection with the connecting bracket 2.

As an improved implementation manner, referring to fig. 1 to 5, the upper bracket 1, the connecting bracket 2, and the lower bracket 3 are all sheet metal parts and are provided with bent reinforcing flanges 6, so that the rigidity of each bracket can be improved, the rigidity of the whole combined bracket can be further improved, and the vibration load excitation can be reduced.

As a modified implementation method of the lower bracket 3, referring to fig. 1 and 5, the lower bracket 3 further has a bending portion protruding toward the upper bracket 1, and the connecting bracket 2 is connected to a rear slope surface of the bending portion of the lower bracket 3 near the third rear connecting portion 32. The protruding bending part of the lower support 3 can improve the rigidity of the lower support 3, so that the integral rigidity of the combined support is improved, and the deformation resistance is improved.

As a possible implementation manner, referring to fig. 1, the reinforcing flange 6 of the lower bracket 3 extends toward the upper bracket 1, the plate surface of the upper bracket 1 and the plate surface of the lower bracket 3 are arranged in a vertical manner, and the connection portion of the connecting bracket 2 and the upper bracket 1 does not fall behind the highest point of the bending portion of the lower bracket 3.

Specifically, referring to fig. 1, the three brackets are combined together, so that the complementary advantages of the three brackets can be realized, the upper bracket 1 and the lower bracket 3 are transversely arranged, the vertical rigidity is poor due to the large span, and the connecting bracket 2 makes up for the defect of the poor vertical rigidity of the upper bracket 1 and the lower bracket 3; the combined support connects the lower cross beam of the front windshield, the air chamber plate and the ventilation cover plate together, and the air chamber plate and the ventilation cover plate form a closed frame structure 5 at a supporting part, as indicated by a quadrilateral line in fig. 5, the rigidity of the combined support can be improved, and under the linkage action of the combined support, the supporting effect is multiplied compared with that of a single support.

In the present embodiment, the connecting bracket 2 is connected to the upper bracket 1 and the lower bracket 3 by bolts. And bolt connecting holes 7 are correspondingly formed in each bracket so as to facilitate bolt connection.

As a modified example, see fig. 1, the upper bracket 1 and/or the lower bracket 3 are provided with lightening holes 8, respectively. The connecting support 2 can also be provided with lightening holes 8, and the weight of the combined support can be reduced through the arrangement of the lightening holes 8, so that the design requirement weight of the whole vehicle is ensured.

Based on the same inventive concept, the embodiment of the application also provides an automobile, which comprises the combined bracket as claimed in the claims.

According to the automobile provided by the embodiment, the three-section type combined support is arranged below the lower front windshield cross beam, the air chamber plate and the ventilation cover plate are respectively fixed, each component of the combined support respectively plays a certain supporting role for surrounding plates of the automobile, and the components are associated together through interaction between the support and the support, so that the supporting effect is greatly improved, the coupling roaring generated by load excitation of the automobile body is reduced, and the quality of the whole automobile is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sectional shelf for supporting under a lower beam of a front windshield, comprising:

2. The bracket assembly of claim 1, wherein the upper bracket has a first upper connection portion for connecting the front windshield lower cross member, a first middle connection portion for connecting the connecting bracket, and a first lower connection portion for connecting the air chamber plate; the first upper connecting part, the first middle connecting part and the first lower connecting part are bent and extended in the same direction and are matched with the connecting part of the connecting component along with the shape.

3. The combination bracket according to claim 1, wherein the opposite ends of the connecting bracket are respectively provided with a second upper connecting part for connecting the upper bracket and a second lower connecting part for connecting the lower bracket; the second upper connecting part and the second lower connecting part are matched with the connecting parts of the connecting components along with the shape.

4. The sectional bracket as claimed in claim 1, wherein the lower bracket has third front and rear coupling parts at opposite ends thereof for coupling different positions of the vent cover plate, and a third middle coupling part for coupling the connection bracket; the third front connecting part, the third middle connecting part and the third rear connecting part are matched with the connecting parts of the connecting components along with the shape.

5. The combination bracket of claim 4, wherein the upper bracket, the connecting bracket and the lower bracket are all sheet metal parts and are provided with bent reinforcing flanges.

6. The combination support of claim 5, wherein the lower support further comprises a bending portion protruding toward the upper support, and the connecting support is connected to a rear slope of the bending portion of the lower support near the third rear connecting portion.

7. The combination support of claim 6, wherein the reinforcing flange of the lower support extends towards the upper support, the plate surface of the upper support and the plate surface of the lower support are arranged in a vertical shape, and the connecting part of the connecting support and the upper support does not fall behind the highest point of the bending part of the lower support.

8. The composite bracket of claim 1, wherein the connecting bracket is bolted to the upper bracket and the lower bracket.

9. The composite support of claim 1, wherein the upper support and/or the lower support are provided with lightening holes, respectively.

10. An automobile, characterized in that it comprises a built-up support according to any one of claims 1-9.