CN214776173U

CN214776173U - High strength car A post bearing structure

Info

Publication number: CN214776173U
Application number: CN202121027523.7U
Authority: CN
Inventors: 穆乃礼
Original assignee: Rizhao Tongyuan Industrial Technology Co ltd
Current assignee: Rizhao Tongyuan Industrial Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-19
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a high-strength automobile A column supporting structure, which comprises a supporting A column and a connecting part, when the supporting A column is impacted by external force, a reinforcing rib A and a reinforcing rib B can be supported and tightly abutted in the inner cavity of the supporting A column, and the reinforcing rib A and the reinforcing rib B are transversely arranged in an X shape, and the included angle between the reinforcing rib A and the reinforcing rib B and the middle of the inner wall of the supporting A column form a triangular space, so that the stress area of the reinforcing rib A and the reinforcing rib B can be enhanced, the reinforcing rib A and the reinforcing rib B can be supported in the inner cavity of the supporting A column, the supporting A column is prevented from deforming when being extruded, when the elastic convex part is impacted and extruded, the elastic convex part is sunken towards the inner cavity of the buffer cavity, meanwhile, the buffer convex part moves the extrusion elastic part towards the inner side of the buffer cavity to enable the elastic part to deform and buffer and offset the impact force, the buffer convex part is wavy and is arranged and arranged along the inner wall of the elastic convex part in a semi-arc shape, so that when the elastic convex part is impacted and pressed, the expanding force of the elastic convex part during inward movement can be enhanced.

Description

High strength car A post bearing structure

Technical Field

The utility model relates to a car A post technical field specifically is high strength car A post bearing structure.

Background

The automobile A column is a connecting column for connecting the roof and the front cabin on the left front side and the right front side, and a part of turning vision, particularly left turning, can be shielded between an engine cabin and a cab and above a left rear-view mirror and a right rear-view mirror, so that the discussion is more.

The A column is used as a main stressed position of front collision of a vehicle, the strength of the structure of the A column directly influences the collision capacity of a vehicle body, however, the internal supporting strength and the anti-collision buffer performance of a plurality of existing A columns are not ideal enough, so that the A column is easy to deform or break when being impacted, and the safety guarantee coefficient of the vehicle is not ideal.

The problems set forth above are addressed. For this reason, a high-strength a-pillar support structure for an automobile has been proposed.

Disclosure of Invention

The utility model aims to provide a high-strength automobile A column supporting structure, when a supporting A column is impacted by external force, a reinforcing rib A and a reinforcing rib B can be supported and abutted tightly in the inner cavity of the supporting A column, and the reinforcing rib A and the reinforcing rib B are transversely arranged in an X shape, and a triangular space is formed between the included angle of the reinforcing rib A and the reinforcing rib B and the inner wall of the supporting A column, so that the stress area of the reinforcing rib A and the reinforcing rib B can be increased, the reinforcing rib A and the reinforcing rib B can be supported in the inner cavity of the supporting A column, when the elastic convex part is impacted and extruded, the elastic convex part is sunken towards the inner cavity of the buffer cavity, and simultaneously the buffer convex part moves towards the inner side of the buffer cavity to extrude the elastic part to buffer and offset the impact force, the buffer convex part is wavy and is arranged and arranged in a semi-arc shape along the inner wall of the elastic convex part, so that when the elastic convex part is impacted and extruded, the expansion force when the elastic convex part moves inwards can be increased, the problems proposed in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the high-strength automobile A column supporting structure comprises a supporting A column and a connecting part, wherein the connecting part is fixedly welded on one side of the supporting A column, one end of the supporting A column is also fixedly connected with a lower supporting plate, and an upper supporting plate fixedly connected with one end, far away from the lower supporting plate, of the supporting A column is provided with through holes A with the same spacing distance on the surface, and an embedded filling inner plate is fixed on the inner side of the supporting plate;

the support A column comprises a reinforcing rib A fixedly connected with the inner cavity of the support A column and a reinforcing rib B cross-connected with the reinforcing rib A, the reinforcing rib A and the reinforcing rib B are fixedly welded with a convex plate, the convex plate is fixedly connected with the inner wall of the support A column, and the reinforcing rib A and the reinforcing rib B are fixedly connected with a pre-tightening hoop at the connecting center.

Furthermore, the reinforcing ribs A and the reinforcing ribs B are transversely arranged in an X shape, and a triangular space is formed between the included angle of the reinforcing ribs A and the reinforcing ribs B and the inner wall of the supporting column A.

Furthermore, the filled inner plate comprises an elastic convex part protruding from the upper end of the filled inner plate, an arc-shaped through groove is formed in the surface of the elastic convex part, arc-shaped concave parts with the same interval distance are formed in the lower end of the filled inner plate, the arc-shaped concave parts are located at the lower ends of the middle parts of the two groups of elastic convex parts, through holes B are formed in the surfaces of the arc-shaped concave parts and the filled inner plate, and the through holes B are aligned with the through holes A.

Furthermore, the elastic convex part is of a semi-circular arc structure, and the elastic convex part and the filling inner plate are of an integrated stretching structure.

Further, the elastic convex part comprises a buffer cavity arranged in the inner cavity of the elastic convex part and a supporting seat fixedly installed at the bottom end of the inner cavity of the buffer cavity, a plurality of buffer convex blocks are fixedly installed on the inner wall of the elastic convex part, and two groups of symmetrically installed elastic pieces are fixedly connected between the buffer convex blocks and the supporting seat.

Further, the buffer convex blocks are wavy and are arranged and installed along the inner wall of the elastic convex part in a semi-arc shape.

Furthermore, the outer wall of the buffering lug is provided with an air hole and a heat conduction silica gel layer filled in the inner cavity of the buffering lug.

Furthermore, the air holes are aligned with the arc-shaped through grooves, and the spacing distances of the air holes distributed on the buffering convex blocks are the same.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a high strength car A post bearing structure, the pretension staple bolt can make strengthening rib A and strengthening rib B at the inner chamber that supports the A post remain stable, avoid the two to produce the separation in its inner chamber, when supporting the A post and receiving the striking of external force, strengthening rib A and strengthening rib B can support at its inner chamber and support tightly, strengthening rib A and strengthening rib B are horizontal X type installation simultaneously, and the two contained angle forms three horn shape spaces with the centre that supports A post inner wall, can strengthen strengthening rib A and strengthening rib B's lifting surface area, make the two support it at the inner chamber that supports the A post, avoid supporting the A post and producing the deformation when receiving the extrusion.

2. The utility model provides a high strength car A post bearing structure, when the upper support plate receives the striking extrusion with the roof, the elasticity convex part can offset the support to the impact force, when the elasticity convex part receives the striking extrusion, the elasticity convex part will be sunken to the inner chamber of buffering cavity, buffering lug also makes its deformation to buffering cavity inboard removal extrusion elastic component simultaneously offset buffering to the impact force, buffering lug is wavy, and be the installation of semi-arc arrangement along the inner wall of elasticity convex part, make it when being extruded by the striking, the expanding force when can reinforcing the inside removal of elasticity convex part.

3. The utility model provides a high strength car A post bearing structure, bleeder vent and arc lead to the groove and align the setting, when the heat conduction silica gel layer adsorbs to fill the inside heat of inner panel, can lead to the groove through bleeder vent and arc and outwards discharge fast, avoid the heat to collect together in the inboard of filling the inner panel, make its long-time production thermal energy cause to fill the inner panel and damage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an internal cross-sectional view of the support A-pillar of the present invention;

FIG. 3 is a cross-sectional view of the inner filler plate of the present invention;

FIG. 4 is a schematic view of the internal structure of the elastic protrusion of the present invention;

fig. 5 is a schematic view of the internal structure of the buffer bump according to the present invention.

In the figure: 1. supporting the column A; 11. a reinforcing rib A; 12. reinforcing ribs B; 13. a convex plate; 14. pre-tightening the hoop; 2. a connecting member; 3. a lower support plate; 4. an upper support plate; 5. a through hole A; 6. filling the inner plate; 61. an elastic projection; 611. a buffer cavity; 612. a supporting seat; 613. a buffer bump; 6131. air holes are formed; 6132. a heat conductive silica gel layer; 614. an elastic member; 62. an arc-shaped through groove; 63. an arc-shaped concave part; 64. and a through hole B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a high-strength a-pillar support structure for an automobile includes a support a-pillar 1 for connecting a front roof and a front cabin of a front left and right roof and a connection member 2 for auxiliary connection and fixation, the connection member 2 is fixedly welded to one side of the support a-pillar 1, and one end of the support a-pillar 1 is also fixedly connected to a lower support plate 3, and an upper support plate 4 for supporting the roof is fixedly connected to one end of the support a-pillar 1 away from the lower support plate 3, the upper support plate 4 includes a through hole a5 formed on a surface thereof and through which a nut passes, and a filler inner plate 6 fixedly embedded in an inner side of the support plate 4 and used for buffering and energy absorption, the support a-pillar 1 includes a reinforcing rib a11 fixedly connected to an inner cavity thereof and used for reinforcing a supporting force, and a reinforcing rib B12 cross-connected to the reinforcing rib a11, and protruding plates 13 are fixedly welded to both sides of the reinforcing rib a11 and a reinforcing rib B12, strengthening rib A11 and strengthening rib B12 pass through the flange 13 welding on the inner wall that supports A post 1, flange 13 and the inner wall fixed connection who supports A post 1, and strengthening rib A11 still fixedly connected with pretension staple bolt 14 with strengthening rib B12's center of connection, can make strengthening rib A11 and strengthening rib B12 at the inner chamber that supports A post 1 remain stable, avoid the two to produce the separation at its inner chamber, strengthening rib A11 is horizontal X type installation with strengthening rib B12, and the two contained angle forms triangle-shaped space with the centre that supports A post 1 inner wall, can strengthen strengthening rib A11 and strengthening rib B12's lifting surface, make the two support it at the inner chamber that supports A post 1, avoid supporting A post 1 and produce the deformation when receiving the extrusion.

Referring to fig. 2-4, in the high-strength a-pillar supporting structure for an automobile, a filler inner panel 6 includes an elastic protrusion 61 protruding from an upper end thereof, an arc-shaped through groove 62 is formed on a surface of the elastic protrusion 61, an arc-shaped recess 63 having the same interval is formed at a lower end of the filler inner panel 6, the arc-shaped recess 63 is located at a middle lower end of two sets of the elastic protrusions 61, the elastic protrusion 61 and the arc-shaped recess 63 can enhance stability of the filler inner panel 6 in an inner cavity of an upper supporting plate 4, when the elastic protrusion 61 is impacted or squeezed, impact force can be offset and supported, meanwhile, the arc-shaped recess 63 can absorb energy to reduce force when the upper supporting plate 4 is impacted, the arc-shaped recess 63 and the surface of the filler inner panel 6 are provided with a through hole B64, and the through hole B64 is aligned with the through hole a5, so that a worker can penetrate through the through hole B64 and the through hole a5 to stabilize the filler inner panel 6 in the inner cavity of the upper supporting plate 4, the elastic convex part 61 is a semi-arc structure, which has better buffer effect, and the elastic convex part 61 and the inner filling plate 6 are an integral stretching structure, the elastic convex part 61 includes a buffer cavity 611 opened in the inner cavity thereof, and a support base 612 fixedly installed at the bottom end of the inner cavity of the buffer cavity 611 and used for connecting and supporting, and a plurality of buffer bumps 613 are fixedly installed on the inner wall of the elastic convex part 61, two sets of symmetrically installed elastic members 614 are fixedly connected between the buffer bumps 613 and the support base 612, when the elastic convex part 61 is impacted and extruded, the elastic convex part 61 will be sunk to the inner cavity of the buffer cavity 611, and simultaneously the buffer bumps 613 move towards the inner side of the buffer cavity 611 to extrude the elastic members 614 to buffer and offset the impact force, the buffer bumps 613 are wavy and installed in a semi-arc arrangement along the inner wall of the elastic convex part 61, so that when being impacted and extruded, the expansion force of the elastic convex part 61 during inward movement can be enhanced, the air holes 6131 capable of allowing air to flow are formed in the outer wall of the buffering bump 613, the heat-conducting silica gel layer 6132 capable of buffering heat absorption and filled in the inner cavity of the buffering bump 613 is arranged in an aligned mode, the air holes 6131 are identical to the arc-shaped through grooves 62 in spacing distance distributed on the buffering bump 613, when heat inside the filling inner plate 6 is absorbed by the heat-conducting silica gel layer 6132, the heat can be rapidly discharged outwards through the air holes 6131 and the arc-shaped through grooves 62, heat accumulation is avoided on the inner side of the filling inner plate 6, and the filling inner plate 6 is damaged due to long-time thermal expansion.

The working principle is as follows: the reinforcing rib A11 and the reinforcing rib B12 are welded on the inner wall of the support A column 1 through the convex plate 13, when the support A column 1 is impacted by external force, the reinforcing rib A11 and the reinforcing rib B12 can be supported and abutted in the inner cavity of the reinforcing rib B12, meanwhile, the reinforcing rib A11 and the reinforcing rib B12 are transversely installed in an X shape, a triangular space is formed between the included angle of the reinforcing rib A11 and the reinforcing rib B12 and the middle of the inner wall of the support A column 1, the stress area of the reinforcing rib A11 and the reinforcing rib B12 can be enhanced, the inner plate 6 is filled and embedded and fixed in the inner cavity of the upper support plate 4, when the upper support plate 4 and the roof are impacted and extruded, the elastic convex part 61 can offset and support the impacting force, the elastic convex part 61 is of a semi-circular arc structure and has a good buffering effect, the buffer cavity 611 is formed in the inner cavity of the elastic convex part 61, when the elastic convex part 61 is impacted and extruded, the elastic convex part 61 is sunken towards the inner cavity of the buffer cavity 611, meanwhile, the buffering bump 613 moves to the inside of the buffering cavity 611 to extrude the elastic member 614 to deform so as to buffer and offset the impact force, the buffering bump 613 is wavy and is arranged in a semi-arc shape along the inner wall of the elastic convex part 61, so that the expansion force of the elastic convex part 61 during inward movement can be enhanced when the buffering bump 613 is impacted and extruded, and when the heat-conducting silica gel layer 6132 absorbs the heat inside the inner filling plate 6, the heat can be rapidly discharged outwards through the air holes 6131 and the arc-shaped through groove 62, so that the heat is prevented from accumulating on the inner side of the inner filling plate 6.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High strength car A post bearing structure, including supporting A post (1) and adapting unit (2), adapting unit (2) fixed welding is in the one side of supporting A post (1) to the one end of supporting A post (1) is fixedly connected with bottom suspension fagging (3) still, and supports A post (1) and keeps away from bottom suspension fagging (3) one end fixed connection's last backup pad (4), its characterized in that: the upper supporting plate (4) comprises through holes A (5) with the same spacing distance formed on the surface of the upper supporting plate, and a filling inner plate (6) fixedly embedded in the inner side of the supporting plate (4);

support A post (1) including its inner chamber fixed connection's strengthening rib A (11) to and strengthening rib B (12) with strengthening rib A (11) cross connection, the fixed welding in both sides of strengthening rib A (11) and strengthening rib B (12) has flange (13), flange (13) and the inner wall fixed connection who supports A post (1), and strengthening rib A (11) and strengthening rib B (12) the center of connection still fixedly connected with pretension staple bolt (14).

2. The high strength automobile a-pillar support structure of claim 1, wherein: the reinforcing rib A (11) and the reinforcing rib B (12) are transversely installed in an X shape, and a triangular space is formed between the included angle of the reinforcing rib A and the included angle of the reinforcing rib B and the inner wall of the supporting column A (1).

3. The high strength automobile a-pillar support structure of claim 1, wherein: fill inner panel (6) including its convex elasticity convex part (61) of upper end, arc logical groove (62) have been seted up on the surface of elasticity convex part (61), the same arc concave part (63) of interval distance has been seted up to the lower extreme of filling inner panel (6) to arc concave part (63) are located the middle lower extreme of two sets of elasticity convex parts (61), through-hole B (64) have been seted up on arc concave part (63) and the surface of filling inner panel (6), and through-hole B (64) are aligned with through-hole A (5).

4. The high strength automobile a-pillar support structure of claim 3, wherein: the elastic convex part (61) is of a semi-circular arc structure, and the elastic convex part (61) and the filling inner plate (6) are of an integrated stretching structure.

5. The high strength automobile a-pillar support structure of claim 3, wherein: the elastic convex part (61) comprises a buffer cavity (611) formed in the inner cavity of the elastic convex part and a supporting seat (612) fixedly mounted at the bottom end of the inner cavity of the buffer cavity (611), a plurality of buffer convex blocks (613) are fixedly mounted on the inner wall of the elastic convex part (61), and two groups of symmetrically mounted elastic pieces (614) are fixedly connected between the buffer convex blocks (613) and the supporting seat (612).

6. The high strength automobile a-pillar support structure of claim 5, wherein: the buffer convex blocks (613) are wavy and are arranged in a semi-arc shape along the inner wall of the elastic convex part (61).

7. The high strength automobile a-pillar support structure of claim 5, wherein: the outer wall of the buffering lug (613) is provided with a vent hole (6131) and a heat-conducting silica gel layer (6132) filled in the inner cavity of the buffering lug (613).

8. The high strength vehicle a-pillar support structure of claim 7, wherein: the air holes (6131) are aligned with the arc-shaped through grooves (62), and the interval distances of the air holes (6131) distributed on the buffering convex blocks (613) are the same.