Reinforcing support structure of automobile D column upper connector

By designing a reinforced bracket structure for the vehicle D-pillar upper joint including a connecting component, a fixing component, a mounting groove, a top cover cross beam and a top cover longitudinal beam, the problem of prone to collapse at the D-pillar joint in the prior art is solved, and the effect of improving the impact strength of the D-pillar and the safety of the vehicle's rear seat passengers is achieved.

CN222946854UActive Publication Date: 2025-06-06青岛荣茂达精密机械有限公司
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Patent Information

Application Number
CN202421678020.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-06
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing automotive D-pillar upper joint reinforcement bracket structure can easily cause the D-pillar joint to collapse when impacted or vibrated, reducing the safety of rear seat personnel.

Method used

A reinforced bracket structure for the automotive D-pillar upper joint including a connecting assembly, a fixing assembly, an installation groove, a top cover beam and a top cover beam is designed. Through the connection of the connecting plate and the press plate, an installation groove is formed to clamp the top of the D-pillar, and welded to the slide plate and the press plate through reinforcement ribs to form a bolt hole to connect and fix it with the top cover beam.

Benefits of technology

This structure can be used by the pressure plate when the D column is subjected to force, so that the fixed plate is subjected to force synchronously, and act on the top cover cross beam and the top cover longitudinal beam, thereby improving the impact strength of the D column, avoiding the D column easily collapse, and improving the safety of passengers in the rear seat of the vehicle.

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Abstract

The utility model discloses an automobile D column upper connector reinforcing support structure, and particularly relates to the technical field of automobile parts, the automobile D column upper connector reinforcing support structure comprises a connecting assembly, a fixing assembly, a mounting groove, a top cover cross beam and a top cover longitudinal beam, the connecting assembly is connected and matched with the top cover cross beam and the top cover longitudinal beam, and the fixing assembly is mounted in the connecting assembly. A mounting groove is formed in the connecting position of the connecting assembly and the fixing assembly and used for being connected with the top of a D column, one end of the connecting assembly is connected with a top cover cross beam, the connecting assembly comprises a fixing plate, and the fixing plate is used for being fixedly connected with the top cover cross beam and a top cover longitudinal beam. The connecting plate is vertically welded at one end of the fixing plate; and two side baffles. The utility model has the advantages that the connection fixity of the upper joint and the D column can be improved, the condition of cracking caused by collision is avoided, and meanwhile, the firmness of the connection with the transverse and longitudinal beams of the top cover is improved, so that the stress strength of the D column is improved, and the safety of personnel in a vehicle is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, and more specifically, to a joint reinforcement bracket structure on a D-pillar of an automobile. Background Art

[0002] The main body structure has a significant impact on the performance of the entire vehicle, especially the rear structure of the body, which is subject to complex stress conditions and is subject to impact forces from the chassis, shock absorbers and springs. Its structure is directly related to the body's stiffness, torsional mode, durability and ride comfort. The fastback SUV is affected by its exterior shape, and the joint space on the D-pillar is small, resulting in insufficient D-pillar connection stiffness, low body mode, and easy to be excited by the road surface, resulting in poor ride comfort in the car. Therefore, how to improve the body mode in limited free time to improve the ride comfort of the passengers.

[0003] The utility model patent with patent publication number CN219728334U discloses a D-pillar upper joint reinforcement bracket structure for automobiles, including an upper section of the D-pillar inner panel and a roof cover rear cross beam connection plate reinforcement plate arranged on the upper section of the D-pillar inner panel, the upper section of the D-pillar inner panel and the roof cover rear cross beam connection plate reinforcement plate are both formed with a cavity protruding upwards, and the upper section of the D-pillar inner panel is provided with a three-way connection joint for respectively connecting the roof cover longitudinal beam, the roof cover rear cross beam and the D-pillar. The upper section of the D-pillar inner panel and the roof cover rear cross beam connection plate reinforcement plate are both formed with a cavity protruding upwards, and form a three-way connection joint structure that simultaneously connects the roof cover longitudinal beam, the roof cover rear cross beam and the D-pillar, effectively ensuring the connection stiffness of the D-pillar upper joint and thus ensuring the modality of the body-in-white, improving the body modality in a limited space, and thus improving the riding comfort of the occupants.

[0004] However, in actual use, this structure is directly connected to the D-pillar through one end of the three-way connecting joint, and multiple groups of bolts are used for fixing during the connection. When the D-pillar is hit or vibrated, the connection between the three-way connecting joint and the crossbeam and the longitudinal beam is relatively strong, which can easily cause the D-pillar connection to collapse directly, thereby causing the D-pillar to sink inward and reducing the safety of the rear seat occupants. Therefore, a joint reinforcement bracket structure for an automobile D-pillar is proposed. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a joint reinforcement bracket structure on a D-pillar of an automobile to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a D-pillar upper joint reinforcement bracket structure for an automobile, comprising a connecting component, a fixing component, a mounting groove, a roof cross beam and a roof longitudinal beam, wherein the connecting component is connected and cooperated with the roof cross beam and the roof longitudinal beam, a fixing component is installed in the connecting component, a mounting groove is formed at the connection between the connecting component and the fixing component, the mounting groove is used to connect the top of the D-pillar, and one end of the connecting component is connected to the roof cross beam.

[0007] Preferably, the connection assembly comprises a fixing plate, and the fixing plate is used to connect and fix with the roof cross beam and the roof longitudinal beam;

[0008] A connecting plate, the connecting plate being vertically welded to one end of the fixing plate;

[0009] Two side baffles, each of which is symmetrically welded to both sides of the fixing plate, and ends of the two side baffles are welded to the connecting plate.

[0010] Preferably, the fixing assembly comprises a slide plate, the slide plate is bolted to the fixing plate, and two sides of the slide plate are respectively slidably connected to two side baffles;

[0011] A pressure plate, the pressure plate is vertically welded to one end of the slide plate, and a mounting groove is formed between the pressure plate and the connecting plate, and the top of the D-pillar is clamped and fixed between the pressure plate and the connecting plate;

[0012] A reinforcing rib, wherein the reinforcing rib is welded to the slide plate and the pressing plate;

[0013] A bolt hole is provided at one end of the reinforcing rib, and the bolt hole is used to install a bolt to connect and fix the reinforcing rib with the top cover cross beam, and the top surface of the reinforcing rib with the bolt hole is flush with the top surface of the fixing plate.

[0014] Preferably, the fixing plate is symmetrically provided with first through holes, and the corresponding sliding plate is symmetrically provided with third through holes, each of the first through holes is connected and matched with the corresponding third through holes, and the first through holes and the third through holes are used to connect and fix the connecting component and the fixing component to the longitudinal beam of the top cover.

[0015] Preferably, the fixing plate is symmetrically provided with second through holes, and the corresponding sliding plate is symmetrically provided with fourth through holes, each of the second through holes is connected and matched with the corresponding fourth through hole, and the second through holes and the fourth through holes are used to connect and fix the connecting component and the fixing component to the top cover crossbeam.

[0016] Preferably, the connecting plate is provided with a plurality of screw grooves, and the corresponding pressure plate is provided with a plurality of fixing holes, each of the fixing holes is connected and cooperated with the corresponding screw groove, and a screw is inserted into each of the fixing holes and connected and cooperated with the corresponding screw groove to fix the top of the D-pillar in the installation groove.

[0017] Technical effects and advantages of the utility model:

[0018] Compared with the prior art, the utility model can clamp and fix the top of the D-pillar in the installation groove through the arrangement of the fixing plate, the connecting plate, the side baffle plate, the slide plate, the pressure plate, the reinforcing ribs and the bolt hole. When the D-pillar is subjected to force, the pressure plate is subjected to the force, so that the fixing plate connected to the slide plate is subjected to the force synchronously, thereby acting on the top cover cross beam and the top cover longitudinal beam. Under the support of the reinforcing ribs, the impact force generated by the D-pillar on the pressure plate can be supported, thereby avoiding separation between the pressure plate and the connecting plate, thereby avoiding cracking at the installation position of the D-pillar, thereby improving the impact resistance of the D-pillar, thereby avoiding easy collapse of the D-pillar, and improving the safety of rear seat passengers in the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a top view of the three-dimensional structure of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the connection component of the utility model.

[0022] Figure 4 It is a structural schematic diagram of the fixing component of the utility model.

[0023] The accompanying drawings are marked as follows: 1. connecting component; 101. fixing plate; 102. connecting plate; 103. side baffle; 2. fixing component; 201. slide plate; 202. pressure plate; 203. reinforcing rib; 204. bolt hole; 3. mounting groove; 4. first through hole; 5. second through hole; 6. screw groove; 7. third through hole; 8. fourth through hole; 9. fixing hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] As attached Figure 1-4 The illustrated embodiment shows a D-pillar upper joint reinforcement bracket structure for an automobile, comprising a connecting component 1, a fixing component 2, an installation groove 3, a roof cross beam and a roof longitudinal beam. The connecting component 1 is connected and cooperated with the roof cross beam and the roof longitudinal beam. The fixing component 2 is installed in the connecting component 1. An installation groove 3 is formed at the connection between the connecting component 1 and the fixing component 2. The installation groove 3 is used to connect to the top of the D-pillar. One end of the connecting component 1 is connected to the roof cross beam.

[0026] In specific implementation, the D-pillar is inserted into the installation groove 3, and then the connecting component 1, the fixing component 2 and the D-pillar are connected and fixed to form a whole, and then the top of the connecting component 1 is connected and matched with the connection between the roof crossbeam and the roof longitudinal beam, and the fixing nails are installed in the aligned through holes, so that the entire bracket structure is connected and fixed to the roof crossbeam and the roof longitudinal beam, and one end of the fixing component 2 is connected and fixed to the roof crossbeam to complete the overall installation. When the D-pillar is hit, the fixing component 2 always supports the D-pillar in the installation groove 3, so that the impact force can act on the roof crossbeam and the roof longitudinal beam, thereby improving the impact strength of the D-pillar and avoiding easy collapse, thereby improving the safety of the rear seat passengers of the vehicle.

[0027] As attached Figure 3 and Figure 4 As shown, the connection assembly 1 includes a fixing plate 101, and the fixing plate 101 is used to connect and fix with the top cover cross beam and the top cover longitudinal beam;

[0028] A connecting plate 102, wherein the connecting plate 102 is vertically welded to one end of the fixing plate 101;

[0029] Two side baffles 103 , each of the side baffles 103 is symmetrically welded to two sides of the fixing plate 101 , and ends of the two side baffles 103 are welded to the connecting plate 102 .

[0030] The fixing assembly 2 includes a slide plate 201, the slide plate 201 is bolted to the fixing plate 101, and the two sides of the slide plate 201 are respectively slidably connected to the two side baffles 103;

[0031] A pressing plate 202, wherein the pressing plate 202 is vertically welded to one end of the slide plate 201, and a mounting groove 3 is formed between the pressing plate 202 and the connecting plate 102, and the top of the D-pillar is clamped and fixed between the pressing plate 202 and the connecting plate 102;

[0032] A reinforcing rib 203, wherein the reinforcing rib 203 is welded to the slide plate 201 and the pressing plate 202;

[0033] The bolt hole 204 is provided at one end of the reinforcing rib 203 . The bolt hole 204 is used to install a bolt to connect and fix the reinforcing rib 203 with the top cover beam, and the top surface of the end of the reinforcing rib 203 with the bolt hole 204 is flush with the top surface of the fixing plate 101 .

[0034] In specific implementation, by connecting and cooperating with the connecting plate 102 and the pressure plate 202, the top of the D-pillar in the installation groove 3 can be clamped and fixed. When the D-pillar is subjected to force, the pressure plate 202 is acted upon by the force, so that the fixing plate 101 connected to the slide plate 201 is simultaneously acted upon by the force, thereby acting on the top cover cross beam and the top cover longitudinal beam. Under the support of the reinforcing rib 203, the impact force generated by the D-pillar on the pressure plate 202 can be supported, thereby avoiding separation between the pressure plate 202 and the connecting plate 102, thereby avoiding cracking at the installation point of the D-pillar, thereby improving the impact resistance of the D-pillar, thereby avoiding easy collapse of the D-pillar and improving the safety of the rear seat passengers of the vehicle.

[0035] As attached Figure 3 and Figure 4 As shown, the fixing plate 101 is symmetrically provided with first through holes 4, and the corresponding sliding plate 201 is symmetrically provided with third through holes 7, each of the first through holes 4 is connected and matched with the corresponding third through holes 7, and the first through holes 4 and the third through holes 7 are used to connect and fix the connecting component 1 and the fixing component 2 to the longitudinal beam of the top cover.

[0036] In a specific implementation, the fixing nail passes through the third through hole 7 and the first through hole 4 to be connected and fixed to the longitudinal beam of the roof, thereby improving the fixity of the connection between the bracket structure and the longitudinal beam of the roof.

[0037] As attached Figure 3 and Figure 4 As shown, the fixing plate 101 is symmetrically provided with second through holes 5, and the corresponding sliding plate 201 is symmetrically provided with fourth through holes 8, each of the second through holes 5 is connected and matched with the corresponding fourth through hole 8, and the second through holes 5 and the fourth through holes 8 are used to connect and fix the connecting component 1 and the fixing component 2 to the top cover crossbeam.

[0038] In a specific implementation, the fixing nail passes through the fourth through hole 8 and the second through hole 5 to connect and fix with the top cover cross beam, thereby improving the fixity of the connection between the support structure and the top cover cross beam.

[0039] As attached Figure 3 and Figure 4 As shown, the connecting plate 102 is provided with a plurality of screw grooves 6, and the corresponding pressure plate 202 is provided with a plurality of fixing holes 9, each of the fixing holes 9 is connected and matched with the corresponding screw groove 6, and a screw is inserted into each of the fixing holes 9 to connect and match with the corresponding screw groove 6 to fix the top of the D-pillar in the mounting groove 3.

[0040] In specific implementation, by passing the screws through the fixing hole 9 and the hole opened at the top of the D-pillar and then connecting with the screw groove 6, the pressure plate 202 can squeeze the top of the D-pillar in the installation groove 3, so that the top of the D-pillar is against the connecting plate 102, so that the connecting plate 102 can be clamped and fixed to avoid loose connection, and the contact area is increased by the pressure plate 202 on the top of the D-pillar, so that the D-pillar is hit and the top installation of the D-pillar is cracked.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A D-pillar upper joint reinforcement bracket structure for an automobile, comprising a connecting component (1), a fixing component (2), a mounting groove (3), a roof cross beam and a roof longitudinal beam, characterized in that: The connecting component (1) is connected and matched with the roof cross beam and the roof longitudinal beam; a fixing component (2) is installed in the connecting component (1); a mounting groove (3) is formed at the connection between the connecting component (1) and the fixing component (2); the mounting groove (3) is used to connect to the top of the D-pillar; one end of the connecting component (1) is connected to the roof cross beam.

2. The automobile D-pillar upper joint reinforcement bracket structure according to claim 1, characterized in that: The connection assembly (1) comprises a fixing plate (101), and the fixing plate (101) is used to be connected and fixed to the top cover cross beam and the top cover longitudinal beam; A connecting plate (102), wherein the connecting plate (102) is vertically welded to one end of the fixing plate (101); Two side baffles (103), each of the side baffles (103) is symmetrically welded to two sides of the fixing plate (101), and ends of the two side baffles (103) are welded to the connecting plate (102).

3. The automobile D-pillar upper joint reinforcement bracket structure according to claim 2, characterized in that: The fixing assembly (2) comprises a slide plate (201), the slide plate (201) is bolted to the fixing plate (101), and two sides of the slide plate (201) are respectively slidably connected to two side baffles (103); A pressing plate (202), wherein the pressing plate (202) is vertically welded to one end of the sliding plate (201), and a mounting groove (3) is formed between the pressing plate (202) and the connecting plate (102), and the top of the D-pillar is clamped and fixed between the pressing plate (202) and the connecting plate (102); A reinforcing rib (203), wherein the reinforcing rib (203) is welded to the slide plate (201) and the pressing plate (202); A bolt hole (204) is provided at one end of the reinforcing rib (203), the bolt hole (204) is used to install a bolt to connect and fix the reinforcing rib (203) with the top cover beam, and the top surface of the end of the reinforcing rib (203) with the bolt hole (204) is flush with the top surface of the fixing plate (101).

4. The automobile D-pillar upper joint reinforcement bracket structure according to claim 3, characterized in that: The fixing plate (101) is symmetrically provided with first through holes (4), and the corresponding sliding plate (201) is symmetrically provided with third through holes (7), each of the first through holes (4) is connected and matched with the corresponding third through hole (7), and the first through holes (4) and the third through holes (7) are used to connect and fix the connecting component (1) and the fixing component (2) to the longitudinal beam of the top cover.

5. The automobile D-pillar upper joint reinforcement bracket structure according to claim 4, characterized in that: The fixing plate (101) is symmetrically provided with second through holes (5), and the corresponding sliding plate (201) is symmetrically provided with fourth through holes (8), each of the second through holes (5) is connected and matched with the corresponding fourth through hole (8), and the second through holes (5) and the fourth through holes (8) are used to connect and fix the connecting component (1) and the fixing component (2) to the top cover cross beam.

6. The automobile D-pillar upper joint reinforcement bracket structure according to claim 5, characterized in that: The connecting plate (102) is provided with a plurality of screw grooves (6), and the corresponding pressing plate (202) is provided with a plurality of fixing holes (9), each of the fixing holes (9) is connected and matched with the corresponding screw groove (6), and a screw is inserted into each of the fixing holes (9) to connect and match with the corresponding screw groove (6) to fix the top of the D-pillar in the installation groove (3).

Citation Information

Patent Citations

  • Reinforcing support structure for upper joint of automobile D column

    CN219728334U