CN219506112U

CN219506112U - D post lower joint and D post

Info

Publication number: CN219506112U
Application number: CN202320412053.9U
Authority: CN
Inventors: 戴冬冬; 夏操; 杨盛言; 肖淘
Original assignee: Zhejiang Zero Run Technology Co Ltd
Current assignee: Zhejiang Zero Run Technology Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-11
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a D column lower joint and a D column, wherein the D column lower joint comprises: a first sealing plate; the second sealing plate is used for connecting the rear enclosing outer plate; an upper support plate closing one end of the first cavity; and the lower support plate is used for sealing the other end of the first cavity. The utility model can improve the rigidity of the D-column lower joint.

Description

D post lower joint and D post

Technical Field

The utility model relates to the technical field of automobiles, in particular to a D column lower connector and a D column.

Background

The lower joint of the vehicle body D column is one of several important joints of the vehicle body, and the rigidity of the joint has important influence on the mode and torsional rigidity of the whole vehicle, so that the nvh performance of the whole vehicle is indirectly influenced.

In the conventional design of the lower D column joint, the lower D column joint is usually a cavity, and a separate partition is provided inside to strengthen the part. But the rigidity of the lower joint of the D column is weak, and the rigidity, torsion and modal improvement of the whole vehicle are limited. Therefore, the low rigidity of the D-pillar lower joint is an urgent problem to be solved.

Disclosure of Invention

The utility model provides a D-pillar lower joint and a D-pillar, which can improve the rigidity of the D-pillar lower joint.

An embodiment of the present utility model provides a D-pillar lower joint, including: a first sealing plate; the second sealing plate is used for connecting the rear enclosing outer plate; an upper support plate closing one end of the first cavity; and the lower support plate is used for sealing the other end of the first cavity.

The upper support plate comprises a plate body, a first flanging, a second flanging and a third flanging, wherein the first flanging, the second flanging and the third flanging are connected with the plate body, the plate body is used for sealing one end of the first cavity, the first flanging, the second flanging and the first sealing plate are connected, and the third flanging is connected with the second sealing plate.

The first flanging and the third flanging are arranged on the same side of the plate body, and the second flanging is arranged on different sides deviating from the plate body.

Wherein, the structure of upper backup pad with the lower backup pad is the same.

Wherein the D-pillar lower connector further comprises: the reinforcing plate is arranged in the first cavity and forms a second cavity with two open ends with the first sealing plate.

The first sealing plate comprises a first sub-plate and a second sub-plate arranged on the first sub-plate, the second sealing plate comprises a third sub-plate and a fourth sub-plate arranged on the third sub-plate, the first sub-plate, the second sub-plate, the third sub-plate and the fourth sub-plate are enclosed to form the first cavity, and the first sub-plate is an arc-shaped plate and forms a corner;

wherein the reinforcing plate is disposed at the corner of the first sub-plate.

The reinforcing plate comprises a fifth sub-plate and a sixth sub-plate arranged on the fifth sub-plate, and the second cavity is formed by surrounding the fifth sub-plate, the sixth sub-plate, the first sub-plate and the second sub-plate.

The fifth sub-board comprises a fourth flanging, the sixth sub-board comprises a fifth flanging, the fourth flanging is connected with the first sub-board, and the fifth flanging is connected with the second sub-board.

Wherein the D-pillar lower connector further comprises: and one end of the supporting piece is connected with the first sealing plate, and the other end of the supporting piece is used for being connected with the rear floor.

An embodiment of the present utility model provides a D column comprising a D column lower connector as described in any one of the above embodiments.

The beneficial effects of the utility model are as follows: the first sealing plate and the second sealing plate enclose to form a first cavity with two open ends, one end of the first cavity is sealed through the upper supporting plate, the other end of the first cavity is sealed through the lower supporting plate, so that an original cavity of the first cavity is changed into a sealed cavity with a support, Y-directional and Z-directional force transfer of the lower joint of the D column is facilitated, the rigidity and the torsional property of the lower joint of the D column can be effectively improved, and the performance of the whole automobile nvh (Noise, vibration, harshness, noise, vibration and sound vibration roughness) is improved. And the second shrouding is connected with the back wall planking, can increase the joint strength of D post lower extreme and back coaming.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a D-pillar lower joint according to the present utility model;

FIG. 2 is a schematic view of the connection of the lower joint of the D column with the middle section of the D column and the back panel in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the lower column joint of FIG. 1;

FIG. 4 is a schematic view of an embodiment of the support member of the present utility model;

fig. 5 is a schematic structural diagram of an embodiment of the D-pillar of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, in one embodiment, a D-pillar lower joint 100 includes a first seal plate 101, a second seal plate 102, an upper support plate 103, and a lower support plate 104; the second sealing plate 102 and the first sealing plate 101 enclose a first cavity 105 with two open ends, and the second sealing plate 102 is used for connecting a rear enclosing outer plate 201; the upper support plate 103 closes one end of the first cavity 105; the lower support plate 104 closes the other end of the first cavity 105.

Specifically, the D-pillar lower 100 is a joint formed by joining two parts, namely, a D-pillar middle 300 and a back panel 200 formed by a D-pillar back panel 201 and a back panel 202, respectively.

The first sealing plate 101 and the second sealing plate 102 may both be arch surfaces, and define a first cavity 105 with two open ends. One end is connected with the D post middle section 300 after first shrouding 101 and second shrouding 102 are connected, and the other end is connected with back coaming 200, seals the one end of first cavity 105 through last backup pad 103, and the other end of first cavity 105 is sealed to lower backup pad 104, makes the cavity that first cavity 105 was originally become the confined cavity that has the support, is favorable to the Y of D post lower joint 100 to and the transmission of Z to, can effectively promote the rigidity and the torsional properties of D post lower joint 100. Wherein, the Y direction refers to the direction of the back panel 200, and the Z direction refers to the direction of the middle section 300 of the D column.

The second sealing plate 102 is used to connect the rear outer panel 201, so that the connection strength between the lower D-pillar joint 100 and the rear outer panel 200 can be increased, and the connection manner may be, for example, welding, clamping, or the like, which is not limited in the present utility model.

From the above, it can be seen that the first sealing plate 101 and the second sealing plate 102 enclose to form a first cavity 105 with two open ends, one end of the first cavity 105 is sealed by the upper supporting plate 103, and the other end of the first cavity 105 is sealed by the lower supporting plate 104, so that the original cavity of the first cavity 105 is changed into a sealed cavity with support, which is beneficial to the force transmission in the Y direction and the Z direction of the D column lower joint 100, and can effectively improve the rigidity and the torsion resistance of the D column lower joint 100, and improve the performance of the whole vehicle nvh (Noise, vibration, harshness, noise, vibration and acoustic vibration roughness). And the second sealing plate 102 is connected to the rear outer panel 201, so that the connection strength between the D-pillar lower 100 and the rear panel 200 can be increased.

With continued reference to fig. 1, in an embodiment, the upper support plate 103 includes a plate 1030, and a first flange 1031, a second flange 1032, and a third flange 1033 connected to the plate 1030, where the plate 1030 closes one end of the first cavity 105, the first flange 1031, the second flange 1032 are connected to the first sealing plate 101, and the third flange 1033 is connected to the second sealing plate 102.

Specifically, the plate 1030 is sized approximately the same as one end of the first cavity 105 such that the plate 1030 closes one end of the first cavity 105. Through set up first turn-ups 1031, second turn-ups 1032 respectively and be connected with first shrouding 101 around plate 1030, third turn-ups 1033 are connected with second shrouding 102, and the last backup pad 103 of being convenient for seals the one end of first cavity 105, has increased the structural rigidity of D post lower connector 100.

In other embodiments, the upper support plate 103 is further provided with two or four flanges around the plate 1030, and the present utility model is not limited to the structure of the upper support plate 103.

With continued reference to fig. 1, in one embodiment, the first flange 1031 and the third flange 1033 are disposed on the same side of the plate 1030 and the second flange 1032 is disposed on a different side facing away from the plate 1030.

Specifically, the first flange 1031 and the third flange 1033 are disposed in a direction facing the first cavity 105, the second flange 1032 is disposed in a direction facing away from the first cavity 105, and the third flange 1033 is connected to the second sealing plate 102 as long as the first flange 1031 and the second flange 1032 can be connected to the first sealing plate 101. In other embodiments, the first flange 1031 and the second flange 1032 may be disposed on the same side of the plate 1030, and the third flange 1033 may be disposed on a different side away from the plate 1030, and the directions of the first flange 1031, the second flange 1032, and the third flange 1033 are not limited in the present utility model.

In one embodiment, the upper support plate 103 and the lower support plate 104 are identical in structure. That is, the lower support plate 104 may have the same shape as the upper support plate 103, and also have a plate body 1030 and first, second, and third flanges 1031, 1032, 1033 connected to the plate body 1030 for closing the other end of the first cavity 105. In other embodiments, the structures of the upper support plate 103 and the lower support plate 104 may be different, and the present utility model is not limited thereto.

Referring to fig. 3, in an embodiment, the D-pillar lower joint 100 further includes a reinforcing plate 106, and the reinforcing plate 106 is disposed in the first cavity 105 and forms a second cavity 107 with the first sealing plate 101, which is open at both ends.

Specifically, the reinforcing plate 106 may be disposed at any position in the first cavity 105, and the reinforcing plate 106 may be connected to only the first sealing plate 101, only the second sealing plate 102, or both the first sealing plate 101 and the second sealing plate 102 in the first cavity 105. The reinforcing plate 106 can be an arch surface or arc-shaped, and the reinforcing plate 106 and the first sealing plate 101 form a second cavity 107 with two open ends, which is beneficial to force dispersion and can enhance the strength of the lower joint 100 of the D column.

In other embodiments, the reinforcing plate 106 may be a flat plate or other shape, and the present utility model is not limited to the structure of the reinforcing plate 106.

Referring to fig. 3 and 4, in an embodiment, the first sealing board 101 includes a first sub-board 1011 and a second sub-board 1012 disposed on the first sub-board 1011, the second sealing board 102 includes a third sub-board 1021 and a fourth sub-board 1022 disposed on the third sub-board 1021, the first sub-board 1011, the second sub-board 1012, the third sub-board 1021 and the fourth sub-board 1022 enclose a first cavity 105, and the first sub-board 1011 is an arc-shaped board and forms a corner; wherein the reinforcing plate 106 is provided at a corner of the first sub-plate 1011.

Specifically, the first sub-board 1011 and the second sub-board 1012 may be integrally formed, or may be connected by, for example, welding, and the third sub-board 1021 and the fourth sub-board 1022 may be integrally formed, or may be connected by, for example, welding. The second sub-board 1012 is connected to the four sub-boards 1022 through the connection of the first sub-board 1011 to the third sub-board 1021 to form the first cavity 105.

Referring to fig. 3, the first sub-board 1011 is an arc-shaped board, and the corner formed by the arc-shaped board has weaker rigidity, and the reinforcing plate 106 is arranged at the corner of the first sub-board 1011 to enhance the strength of the corner of the first cavity 105, so that the problems of stress concentration and insufficient rigidity are avoided.

In other embodiments, the reinforcement plate 106 may be provided at locations other than the corners, regardless of the effect of increasing the stiffness at the corners, as the utility model is not limited in this regard.

With continued reference to fig. 3, in an embodiment, the stiffener 106 includes a fifth sub-board 1061 and a sixth sub-board 1062 disposed on the fifth sub-board 1061, where the fifth sub-board 1061, the sixth sub-board 1062, the first sub-board 1011 and the second sub-board 1012 enclose a second cavity 107.

Specifically, the fifth sub-board 1061 and the sixth sub-board 1062 may be integrally formed or welded, and the fifth sub-board 1061 is connected to the first sub-board 1011, and the sixth sub-board 1062 is connected to the second sub-board 1012 to form the second cavity 107, thereby playing a role in conducting and dispersing forces. The material of the reinforcing plate 106 may be vacuum high pressure cast aluminum, which is not limited in the present utility model.

With continued reference to fig. 3, in one embodiment, the fifth sub-board 1061 includes a fourth flange 10611, the sixth sub-board 1062 includes a fifth flange 10621, the fourth flange 10611 is connected to the first sub-board 1011, and the fifth flange 10621 is connected to the second sub-board 1012.

Specifically, the fourth flange 10611 may be formed by using a stamping process of the fifth daughter board 1061, and the fourth flange 10611 may be connected to the first daughter board 1011 by welding, clamping, or the like.

The fifth flange 10621 may be connected to the second daughter board 1012 by, for example, welding, clamping, or the like. In other embodiments, the fifth and sixth sub-boards 1061, 1062 may not include the fourth and fifth flanges 10611, 10621.

With continued reference to fig. 4, in one embodiment, the D-pillar lower 100 further includes a support member 108, one end of the support member 108 being connected to the first sealing plate 101, and the other end being configured to be connected to the rear floor.

Specifically, the support member 108 may be connected to the first sealing plate 101 by, for example, bolting, stud connection, or the like. The first sealing plate 101 is provided with a positioning hole 1010, the supporting member 108 is provided with a mounting hole matched with the positioning hole 1010, the positioning hole 1010 can be, for example, circular, elliptic, etc., and the shape of the positioning hole 1010 is not limited in the utility model. The support 108 connects the D-pillar lower 100 and the rear floor, and can improve the connection strength between the D-pillar lower 100 and the rear floor.

With continued reference to fig. 1, in other embodiments, in order to reduce the weight of the vehicle body and control the thickness of the sheet metal part of the vehicle body, the first sealing plate 101 and the second sealing plate 102 are provided with the lightening holes 109, and the lightening holes 109 may be disposed at any position on the first sealing plate 101 and the second sealing plate 102.

Referring to fig. 5, in one embodiment, a D-pillar 400 includes a D-pillar lower 100 as in any of the embodiments described above.

Specifically, the D-pillar 400 is disposed at the junction between the rear window and the rear windshield, and the D-pillar 400 of the present utility model, due to the inclusion of the D-pillar lower joint 100, can improve the rigidity and torsional performance of the D-pillar, and improve the performance of the whole vehicle nvh.

The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims

1. A D-pillar lower joint, comprising:

a first sealing plate;

the second sealing plate is used for connecting the rear enclosing outer plate;

an upper support plate closing one end of the first cavity;

and the lower support plate is used for sealing the other end of the first cavity.

2. The D-pillar lower joint according to claim 1, wherein the upper support plate includes a plate body, and a first flange, a second flange, and a third flange connected to the plate body, the plate body closing one end of the first cavity, the first flange, the second flange being connected to the first sealing plate, and the third flange being connected to the second sealing plate.

3. The D-pillar lower joint according to claim 2, wherein the first flange and the third flange are provided on the same side of the plate body, and the second flange is provided on a different side facing away from the plate body.

4. The D-pillar lower joint according to claim 1, wherein the upper support plate and the lower support plate are identical in structure.

5. The D-pillar lower joint according to claim 2, wherein the D-pillar lower joint further comprises:

the reinforcing plate is arranged in the first cavity and forms a second cavity with two open ends with the first sealing plate.

6. The D-pillar lower joint according to claim 5, wherein the first sealing plate includes a first sub-plate and a second sub-plate disposed on the first sub-plate, the second sealing plate includes a third sub-plate and a fourth sub-plate disposed on the third sub-plate, the first sub-plate, the second sub-plate, the third sub-plate, and the fourth sub-plate enclose the first cavity, and the first sub-plate is an arc-shaped plate with a corner;

wherein the reinforcing plate is disposed at the corner of the first sub-plate.

7. The D-pillar lower joint according to claim 6, wherein the reinforcement plate includes a fifth sub-plate and a sixth sub-plate disposed on the fifth sub-plate, the sixth sub-plate, the first sub-plate, and the second sub-plate enclosing to form the second cavity.

8. The D-pillar lower joint according to claim 7, wherein the fifth sub-panel includes a fourth flange, the sixth sub-panel includes a fifth flange, the fourth flange is connected to the first sub-panel, and the fifth flange is connected to the second sub-panel.

9. The D-pillar lower joint according to claim 1, further comprising:

and one end of the supporting piece is connected with the first sealing plate, and the other end of the supporting piece is used for being connected with the rear floor.

10. A D column comprising a D column lower connector according to any one of claims 1 to 9.