CN207128836U - The box-like mounting structure of back prop and its attachment structure on automobile - Google Patents

Abstract

The utility model discloses a rear pillar box-shaped installation structure, which comprises a rear pillar mounting bracket and a rear seat belt retractor mounting plate, the upper part of the rear pillar mounting bracket and the rear seat belt retractor mounting plate connection, the inside of the rear pillar mounting bracket is welded with a rear pillar mounting reinforcing plate, and a box-like structure is formed between the rear pillar mounting bracket, the rear pillar mounting reinforcing plate and the rear seat belt retractor mounting plate , the lower part of the rear pillar mounting bracket is welded with rear seat back locks. The utility model also discloses the connection structure of the box-shaped installation structure of the rear pillar on the automobile. The box-shaped installation structure of the utility model makes the overall strength and rigidity higher, and it is not easy to collapse when subjected to external force, ensuring the strength required by the design; it not only provides installation and fixation for the rear seat belt retractor, but also provides a The seat back provides enough support, saves the space of the system in the car, and has a compact structure.

Description

Rear Pillar Box-Shaped Installation Structure and Its Connection Structure on Automobiles

technical field

The utility model belongs to the technical field of automobile body structures, in particular to a rear pillar box-shaped installation structure and its connection structure on the automobile.

Background technique

The space at the rear pillar of the body-in-white of a passenger car is limited, and there are many environmental components that need to be installed. Not only must it provide a support point for the backrest of the rear seat, but it must also consider providing a mounting surface for the seat belt retractor. Environmental parts such as rear bulkheads provide installation space. In order to ensure the trunk space and passenger space at the rear of the vehicle body, it is necessary to design a compact and versatile installation structure. In addition, considering the safety and weight reduction requirements of passenger cars, the installation structure must have sufficient strength and lightweight structure to provide firm installation and strong support for the environmental components on it.

The Chinese patent with the application number 201420379226.2 provides a "mounting bracket for the rear seat belt retractor, retractor assembly and vehicle body", which mainly provides a mounting bracket for the installation of the rear seat belt retractor Specifically, the retractor bracket body includes opposite first end portions and second end portions, and an open end located between the first end portion and the second end portion, the retractor bracket body has a receiving space, and the open end has Opening, the storage space communicates with the opening, the body of the retractor bracket is provided with a fastening screw hole and a card slot passing through the opening end; the fixed installation part is connected to the first end of the body of the retractor bracket, and this patent can also be used as a cover The curtain provides a mounting point, and its opening is designed so that the storage space inside the mounting bracket can be placed into the retractor, but to a certain extent weakens the overall strength of the mounting bracket, and the rear seat backrest must be avoided during installation.

Contents of the invention

The purpose of this utility model is to provide a rear pillar box-shaped installation structure and its connection structure on the car, which has sufficient strength and can simultaneously provide installation and fixation for the backrests of the rear seats and the retractors of the rear seat belts. The structure is compact, and it is connected to the cross-shaped reinforced inner panel at the C-pillar of the car, and is firmly fixed.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a rear pillar box-shaped installation structure, including a rear pillar mounting bracket and a rear safety belt retractor mounting plate, the upper part of the rear pillar mounting bracket is connected to the The rear seat belt retractor mounting plate is connected, the interior of the rear pillar installation bracket is welded with a rear pillar installation reinforcement plate, the rear pillar installation bracket, the rear pillar installation reinforcement plate and the rear seat belt retraction A box-like structure is formed between the device mounting plates, and the lower part of the rear pillar mounting bracket is welded with rear seat back lock buckles.

The utility model 1) The box-shaped installation structure makes the overall strength and rigidity higher, and it is not easy to collapse when subjected to external force, ensuring the strength required by the design; 2) The rear seat belt retractor mounting plate is the rear seat belt retractor The device provides a mounting surface, which solves the installation and fixation of the rear seat belt retractor; the rear seat backrest lock provides sufficient support for the rear seat backrest, and solves the installation and fixation of the rear seat backrest. At the same time, it is convenient to unlock the backrest of the rear seat, which saves the space of the system and makes the structure more compact; 3) The reinforcement plate installed on the rear pillar makes the entire installation structure form a box-like structure, and at the same time strengthens the strength of the box-like structure.

Further, the rear pillar mounting bracket is bent on three sides to form a semi-open structure, including a first bending surface, a second bending surface and a third bending surface, and the sides of the first bending surface and the third bending surface Ends are edged. The horizontal section of the semi-open structure is trapezoidal.

Furthermore, the upper parts of the first bending surface and the third bending surface are extended and bent inward to form a welding surface, and the rear safety belt retractor mounting plate is welded on the welding surface. The welded surface after inward bending remains horizontal, the welded surface is parallel to the bottom plate, and perpendicular to the cross-shaped reinforced inner panel of the C-pillar.

In a further step, the second bending surface is provided with positioning installation holes, and the rear pillar installation reinforcing plate is positioned and welded on the first bending surface, the second bending surface and the third bending surface through the positioning installation holes. internal. The three sides of the rear pillar installation reinforcing plate are respectively spot-welded with the three bending surfaces of the rear pillar installation bracket to support the rear pillar installation reinforcement plate and simultaneously serve as the bottom of the box-shaped structure.

Still further, the lower parts of the side surfaces of the first bending surface and the second bending surface are provided with connected grooves, and rear seat back locks are welded in the grooves. The opened groove provides a larger contact surface for the rear seat back buckle, which is convenient for welding.

In a further step, the rear seat back lock buckle is irregularly shaped, including a horizontal connecting section, a U-shaped part and a straight section, and the horizontal connecting section is welded in the groove of the second bending surface, and the horizontal connecting section One end of the connection section is connected to one end of the U-shaped part, and the other end of the U-shaped part is connected to the straight section, and the straight section is welded in the groove of the first bending surface.

In a further step, the straight section and the horizontal connecting section are in the same plane, and the plane where the U-shaped portion is located is 30-50 degrees from the plane where the straight section and the horizontal connecting section are located. The upward-sloping U-shaped portion facilitates the fixing and unlocking of the rear seat backs.

Further, the rear safety belt retractor mounting plate includes a main board, and the three sides of the main board are extended and folded down to form a folded edge, one of which is provided with a folded edge, and one side of the main board is provided with a backward Flanging, the middle part of the main board is provided with a mounting hole for the rear seat belt retractor. Each flange is welded on the cross-shaped reinforced inner panel of the C-pillar, and two flanges in the main board are respectively spot-welded with the first bending surface and the second bending surface.

A connection structure of a rear pillar box-shaped installation structure on an automobile, including a C-pillar, the inner panel of the C-pillar is provided with a cross-shaped reinforced inner plate, and the first rear pillar installation bracket of the rear pillar box-shaped installation structure The flanges of the bending surface and the third bending surface are welded to the cross-shaped reinforced inner plate, and the rear seat belt retractor mounting plate of the rear pillar box-like installation structure is welded to the rearward flange and the flange on the flange. The flanging is welded on the cross-shaped reinforced inner plate. Before welding the flanging, the box-shaped installation structure of the rear pillar is positioned and fixed with a fixture, and then each flanging is welded to the cross-shaped reinforced inner panel of the C-pillar.

Description of drawings

Fig. 1 is a schematic front view of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the axial structure of FIG. 1 .

Fig. 3 is an exploded view of the overall structure of Fig. 1 .

Fig. 4 is a schematic diagram of the installation structure of the utility model inside the automobile.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings to facilitate a clearer understanding of the utility model, but the utility model is not limited to the following specific embodiments.

The "rear pillar box-shaped installation structure" mentioned in the utility model refers to the C-pillar of the automobile, and the "rear pillar box-shaped installation structure" refers to the box-shaped installation welded on the cross-shaped reinforced inner plate of the C-pillar. structure.

The "first bending surface", "the second bending surface" and "the third bending surface" mentioned in the utility model are only for convenience of description, and there is no difference in severity, and should not be understood as limiting the scope of protection of the utility model. limit.

The "backward" mentioned in the utility model refers to the direction perpendicular to the paper surface in the figure, or the direction towards the cross-shaped reinforced inner panel of the C-pillar during actual installation.

As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of rear pillar box-shaped mounting structure of the utility model comprises a rear pillar mounting bracket 1 and a rear safety belt retractor mounting plate 2, and the upper part of the rear pillar mounting bracket 1 is connected to the The rear seat belt retractor mounting plate 2 is connected, specifically, the rear pillar mounting bracket 1 is bent on three sides to form a semi-open structure, the horizontal section is trapezoidal, and the semi-open structure includes the first bending surface 1.1, the second Folding surface 1.2 and the third bending surface 1.3, the side ends of the first bending surface 1.1 and the third bending surface 1.3 are provided with flanging, and positioning holes are arranged on the flanging; the first bending surface 1.1 and the third bending surface The upper part of the folding surface 1.3 is extended and bent inward to form a welding surface, the welding surface is kept horizontal, and the rear seat belt retractor mounting plate 2 is welded on the welding surface; the rear seat belt retractor mounting plate 2 includes a horizontal main board 2.1, the main board 2.1 is connected with the welding surface by spot welding. The three sides of the main board 2.1 are extended and folded down to form a folded edge, wherein the folded edges on two sides form an obtuse angle with the main board 2.1, and the two folded edges are respectively connected to the first bending surface 1.1. And the second bending surface 1.2 spot welding connection, the other side of the turning edge is provided with a backward flanging, the backward flanging is welded on the C-pillar cross-shaped reinforcing plate, and one side of the main board 2.1 is provided with a backward Flange, the flange is welded on the C-pillar cross-shaped reinforcing plate, and the middle part of the main board 2.1 is provided with a T-shaped rear seat belt retractor mounting hole 2.2, which can be installed with the rear seat belt retractor; rear pillar installation The inside of the bracket 1 is welded with a rear pillar installation reinforcement plate 3, specifically, the middle and lower part of the second bending surface 1.2 is provided with a positioning installation hole 1.2.1, and the rear pillar installation reinforcement plate 3 is positioned through the positioning installation hole 1.2.1 and passed through the point Welded on the inside of the first bending surface 1.1, the second bending surface 1.2 and the third bending surface 1.3, between the rear pillar mounting bracket 1, the rear pillar mounting reinforcement plate 3 and the rear seat belt retractor mounting plate 2 A box-shaped structure is formed between them, which ensures the strength of the entire installation structure; the lower part of the rear pillar mounting bracket 1 is welded with a rear seat back lock 4, and the specific form is the first bending surface 1.1 and the second bending surface The lower part of the side of the surface 1.2 is provided with a connected groove 5, and the rear seat back buckle 4 is welded in the groove 5, and the rear seat back buckle 4 is irregularly shaped, including the horizontal connecting section 4.1, U The type part 4.2 and the straight section 4.3, the horizontal connecting section 4.1 is welded in the groove 5 of the second bending surface 1.2, one end of the horizontal connecting section 4.1 is connected to one end of the U-shaped part 4.2, and the other end of the U-shaped part 4.2 is connected to the straight section 4.3 connection, the straight section 4.3 is welded in the groove 5 of the first bending surface 1.1; the straight section 4.3 and the horizontal connecting section 4.1 are in the same plane, the plane where the U-shaped part 4.2 is located is the plane where the straight section 4.3 and the horizontal connecting section 4.1 are located It is 30-50 degrees, that is, the U-shaped part 4.2 is inclined upward to facilitate the installation, fixing and unlocking of the rear seats.

As shown in Figures 2 to 4, the utility model is a connection structure based on the above-mentioned rear pillar box-shaped installation structure on the automobile, including a C-pillar, and a cross-shaped reinforced inner panel 6 is added on the inner panel of the C-pillar, and the rear The flanges of the first bending surface 1.1 and the third bending surface 1.3 of the pillar mounting bracket 1 are welded on the cross-shaped reinforced inner panel 6, and the backward flanges on the main board 2.1 of the rear safety belt retractor mounting plate 2 and The flanging on the flanging edge is welded on the cross-shaped reinforced inner plate 6; the first bending surface 1.1 and the second bending surface 1.2 of the rear pillar mounting bracket 1 are provided with a groove 5, and a rear flange is welded in the groove 5. Seat back buckles 4 in rows, and seat backs in rear rows are fixedly mounted on backrest buckles 4 in rear rows. When the utility model is installed, the rear pillar is installed with the reinforcing plate 3 through the positioning installation hole 1.2. Carry out spot welding on each side, and then position the rear seat belt retractor mounting plate 2 and the rear pillar mounting bracket 1 on the inner panel of the C-pillar cross-shaped reinforcement plate through the positioning holes on them, and place the rear seat belt retractor The main board 2.1 of the mounting plate 2 is welded on the welding surface of the rear pillar mounting bracket 1, and the folded edges on both sides of the rear safety belt retractor mounting plate 2 are also spot welded on the first bending surface 1.1 of the rear pillar mounting bracket 1 And on the second bending surface 1.2, the backward flanging on the third side of the rear seat belt retractor mounting plate 2 on the main board 2.1 and the backward flanging point on the fourth side of the downward flanging edge Welded on the inner panel of the C-pillar cross-shaped reinforcing plate, and the rear flanges on the first bending surface 1.1 and the third bending surface 1.3 of the rear pillar mounting bracket 1 are also spot-welded on the inner panel of the C-pillar cross-shaped reinforcing plate , and then weld the horizontal connecting section 4.1 of the rear seat back lock 4 to the groove on the second bending surface 1.2, and weld the straight section 4.3 to the horizontal groove on the first bending surface 1.1, U-shaped Part 4.2 protrudes obliquely upwards, and the rear seat backrests can be installed and fastened on the U-shaped part 4.2, that is, the rear seat backrests can be installed and fastened in the rear seat backrest buckle 4; the rear seat belts The retractor is installed in the rear safety belt retractor mounting hole 2.2, so that the rear safety belt retractor can also be installed and fixed.

The specific embodiments described above are only illustrative, and the limiting modifiers of the technical terms used in the utility model are only for convenience of description, and any equivalent substitution or substantially the same limitation all fall within the protection scope of the utility model Within, those of ordinary skill in the art can also derive There are many forms, and these are all within the protection scope of the present utility model.

Claims (9)

1. A kind of 1. box-like mounting structure of back prop, it is characterised in that：Furled including back prop mounting bracket (1) and heel row safety belt Device installing plate (2), the top of the back prop mounting bracket (1) are connected with the heel row Webbing retractor installing plate (2), institute The internal welding for stating back prop mounting bracket (1) is connected to back prop installation reinforcing plate (3), the back prop mounting bracket (1), described Box like structure, the back prop are formed between back prop installation reinforcing plate (3) and the heel row Webbing retractor installing plate (2) The lower weld of mounting bracket (1) has back seat backrest to latch (4).
2. 2. the box-like mounting structure of back prop according to claim 1, it is characterised in that：The back prop mounting bracket (1) The bending of three faces is in semi-open type structure, including the first bending side (1.1), the second bending side (1.2) and the 3rd bending side (1.3), the The side of one bending side (1.1) and the 3rd bending side (1.3) is provided with flange.
3. 3. the box-like mounting structure of back prop according to claim 2, it is characterised in that：First bending side (1.1) and The top of 3rd bending side (1.3) extends and bends inwards to form solder side, the heel row Webbing retractor installing plate (2) it is welded on solder side.
4. 4. the box-like mounting structure of back prop according to Claims 2 or 3, it is characterised in that：Second bending side (1.2) Provided with location and installation hole (1.2.1), the back prop installation reinforcing plate (3) is positioned and welded by location and installation hole (1.2.1) In the first bending side (1.1), the inside of the second bending side (1.2) and the 3rd bending side (1.3).
5. 5. the box-like mounting structure of back prop according to claim 4, it is characterised in that：First bending side (1.1) and The side lower of second bending side (1.2) is provided with connected groove (5), and being welded with back seat in the groove (5) leans on Lockback button (4).
6. 6. the box-like mounting structure of back prop according to claim 5, it is characterised in that：The back seat backrest lock (4) in irregular several fonts, including horizontal connection section (4.1), U-shaped portion (4.2) and straight section (4.3), horizontal connection section (4.1) weldering It is connected in the groove (5) of second bending side (1.2), one end of one end connection U-shaped portion (4.2) of horizontal connection section (4.1), The other end of U-shaped portion (4.2) is connected with straight section (4.3), and straight section (4.3) is welded on the groove (5) of first bending side (1.1) In.
7. 7. the box-like mounting structure of back prop according to claim 6, it is characterised in that：The straight section (4.3) connects with horizontal Connect section (4.1) in the same plane, plane where the U-shaped portion (4.2) and straight section (4.3) and horizontal connection section (4.1) place Plane is in 30~50 degree.
8. 8. the box-like mounting structure of back prop according to claim 1, it is characterised in that：The heel row Webbing retractor peace Loading board (2) includes mainboard (2.1), and the three sides extension of mainboard (2.1) is turned over downwards to form flanging, set on one of flanging There is flange, one side of mainboard (2.1) is provided with flange backward, and the middle part of mainboard (2.1) is installed provided with heel row Webbing retractor Hole (2.2).
9. 9. a kind of attachment structure of the box-like mounting structure of back prop on automobile as described in claim 1,2,3,5,6,7 or 8, It is characterized in that：Including C posts, cross reinforcement inner panel (6), the box-like mounting structure of back prop are equipped with the inner panel of the C posts Back prop mounting bracket (1) the first bending side (1.1) and the 3rd bending side (1.3) flanging welded in cross reinforcement On plate (6), flange on heel row Webbing retractor installing plate (2) mainboard (2.1) of the box-like mounting structure of back prop backward and Flanging welded on flanging is on cross reinforcement inner panel (6).