CN106627768B - Automobile rear shock absorber mounting structure - Google Patents

Abstract

The invention discloses an automobile rear shock absorber mounting structure which comprises a rear longitudinal beam, a rear floor, a support assembly, a first cavity, a second cavity and a third cavity, wherein the support assembly is used for being connected with the upper end of a rear shock absorber and is connected with the rear longitudinal beam, the first cavity is used for accommodating the support assembly, the second cavity is positioned on one side of the first cavity, the third cavity is positioned below the first cavity and the second cavity, and the support assembly is positioned below the rear floor. The three closed cavities can effectively improve the shock resistance of the rear shock absorber mounting structure.

Description

Automotive rear shock absorber installation structure

technical field

The invention belongs to the technical field of automobile body structures, in particular, the invention relates to an automobile rear shock absorber installation structure

Background technique

In the prior art, the rear shock absorber body mounting structure of conventional models is arranged at the rear wheel housing, as shown in Figure 9 and Figure 10, this rear shock absorber mounting structure has the following disadvantages:

1. The ultimate impact load here is relatively high, and it is necessary to arrange several reinforcement plates around it to improve the stiffness and fatigue durability at the installation point;

2. The upper installation point of the rear shock absorber is connected to the interior of the vehicle. Although there are sealing measures, there will be risks of water leakage and sound leakage after long-term use;

3. Occupying the space in the car, the installation point on the rear shock absorber is exactly at the position of the third row of seats and the passenger armrest.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides a rear shock absorber installation structure of an automobile, with the purpose of improving impact resistance.

In order to achieve the above object, the technical solution adopted by the present invention is: the installation structure of the rear shock absorber of the automobile, including a rear longitudinal beam, a rear floor, a support for connecting with the upper end of the rear shock absorber and the rear longitudinal beam assembly, the first cavity containing the seat assembly, the second cavity located on one side of the first cavity, and the third cavity located below the first cavity and the second cavity, and the seat assembly is located in the below the rear floor.

The first cavity and the second cavity are separated by a first partition, the second cavity and the third cavity are separated by a second partition, and the first cavity and the first cavity are separated by a second partition. The three chambers are separated by a third partition.

The installation structure of the automobile rear shock absorber also includes a rear longitudinal beam reinforcement plate connected with the support assembly and the rear longitudinal beam.

The first cavity is surrounded by the rear longitudinal beam and the rear floor, and the rear longitudinal beam reinforcing plate is located in the first cavity.

The automobile rear shock absorber installation structure further includes a crossbeam connecting plate located under the rear floor and connected to the rear longitudinal beam, and the crossbeam connecting plate surrounds the rear longitudinal beam and the rear floor to form the second cavity.

The rear shock absorber installation structure of the automobile further includes a spring mounting plate connected to the rear longitudinal beam and the cross beam connecting plate, and the spring mounting plate surrounds the rear longitudinal beam and the cross beam connecting plate to form the third cavity.

The support assembly includes a shock absorber threaded pipe connected with the rear shock absorber and a threaded pipe mounting plate connected with the shock absorber threaded pipe and the rear longitudinal beam.

The threaded pipe mounting plate includes a first connecting portion, a second connecting portion and a third connecting portion connected in sequence, and the second connecting portion has an arc-shaped structure to form an accommodating groove for accommodating the threaded pipe of the shock absorber.

The threaded pipe mounting plate further includes flanges arranged on the first connecting portion and the third connecting portion and connected to the rear longitudinal beam and the rear longitudinal beam reinforcing plate.

The second connecting part has an avoidance hole, and the threaded pipe of the shock absorber is embedded in the accommodating groove and welded to the second connecting part, and is welded to the second connecting part at the avoidance hole.

The automobile rear shock absorber mounting structure of the present invention has the following advantages:

1. The structure is solid, and the threaded pipe is arranged inside the rear longitudinal beam, making full use of the most solid part of the body to bear the force;

2. Save space, because the support assembly is arranged at the rear longitudinal beam instead of above the rear wheel house, which saves the layout space above the rear wheel house, thus providing a larger layout and activity space for the passenger compartment;

3. Lightweight. Compared with the traditional scheme in which the rear shock absorber installation point is arranged above the rear wheel cover, the scheme placed inside the rear longitudinal beam effectively uses the rear longitudinal beam, the strongest part of the car body, and saves additional large The reinforcement plate is used to break down the force, thereby achieving the purpose of reducing the weight of the vehicle body;

4. Since the mounting structure of the rear shock absorber is arranged on the outside of the vehicle body, there is no need for sealing treatment. Therefore, compared with the fixed structure of the rear shock absorber of conventional vehicles, the sealing reliability of the present invention is very high, and the probability of water leakage and sound leakage is 0;

5. The setting of three closed cavities can effectively improve the impact resistance of the rear shock absorber installation structure, and can decompose and weaken the force to the surroundings.

Description of drawings

This manual includes the following drawings, the contents shown are:

Fig. 1 is the structural representation of automobile rear shock absorber installation structure of the present invention;

Fig. 2 is the top view of the automobile rear shock absorber installation structure of the present invention;

Fig. 3 is the side view of automobile rear shock absorber installation structure of the present invention;

Fig. 4 is A-A sectional view among Fig. 2;

Fig. 5 is the exploded view of the mounting structure of the automobile rear shock absorber of the present invention;

Fig. 6 is a structural schematic diagram of a threaded pipe mounting plate;

Fig. 7 is B-B sectional view among Fig. 6;

Fig. 8 is a cross-sectional view of the connection between the rear shock absorber installation structure and the vehicle body of the automobile of the present invention;

Fig. 9 is a structural schematic diagram of the connection between the rear shock absorber installation structure and the vehicle body in the background technology;

Fig. 10 is a C-C sectional view in Fig. 9;

Labeled in the figure:

1. Shock absorber threaded pipe; 2. Threaded pipe mounting plate; 201, first flange; 202, second flange; 203, third flange; 204, fourth flange; 205, avoidance hole; 206, The first connection part; 207, the second connection part; 208, the third connection part;

3. Reinforcement plate of rear longitudinal beam; 301, through hole; 302, installation hole; 303, bottom wall of reinforcement plate; 304, side wall of first reinforcement plate; 305, side wall of second reinforcement plate;

4. Beam connection plate; 401, connection end; 402, connection surface; 403, connection surface; 404, connection surface; 405, upper bottom wall;

5. Rear longitudinal beam; 501, through hole; 502, installation hole; 503, longitudinal beam bottom wall; 504, first longitudinal beam side wall; 505, second longitudinal beam side wall;

6. Spring mounting plate; 601, flanging; 602, first connection end; 603, connection surface; 604, connection surface; 605, second connection end; 606, lower bottom wall; 607, connection surface;

7. Rear floor.

Detailed ways

The specific embodiment of the present invention will be described in further detail by describing the embodiments below with reference to the accompanying drawings, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

As shown in Figures 1 to 8, the present invention provides a rear shock absorber installation structure for automobiles, including a rear longitudinal beam 5, a rear floor 7, and is used to connect with the upper end of the rear shock absorber and to be connected to the rear longitudinal beam 5. The support assembly, the first cavity containing the support assembly, the second cavity located on one side of the first cavity, and the third cavity located below the first cavity and the second cavity, the support assembly Be positioned at the bottom of back floor 7.

As shown in Figure 4, the first cavity and the second cavity are located above the third cavity, the second cavity is located inside the first cavity, and the first cavity and the second cavity are formed by a vertical first The partition is separated, the second cavity and the third cavity are separated by the second partition, and the first cavity and the third cavity are separated by the horizontal third partition.

As shown in FIG. 1 to FIG. 5 , the automobile rear shock absorber installation structure of the present invention also includes a rear longitudinal beam reinforcement plate 3 connected with the support assembly and the rear longitudinal beam 5 . The rear longitudinal beam 5 is located below the rear floor 7 on the vehicle body and is fixedly connected to the rear floor 7 , and the rear longitudinal beam reinforcing plate 3 is also located below the rear floor 7 . The first cavity is surrounded by the rear longitudinal beam 5 and the rear floor 7 , and the rear longitudinal beam reinforcement plate 3 is located in the first cavity. The first cavity is a nearly square cavity formed by the rear longitudinal beam 5 and the rear floor 7, and the internal structure is reinforced by setting the rear longitudinal beam reinforcement plate 3 and the support assembly inside.

As shown in Figures 1 to 5, the automobile rear shock absorber mounting structure of the present invention also includes a crossbeam connecting plate 4 positioned below the rear floor 7 and fixedly connected to the rear longitudinal beam 5 and the rear floor 7, the crossbeam connecting plate 4 is connected to the rear The second cavity is surrounded by the longitudinal beam 5 and the rear floor 7 , and the second cavity is an approximately rectangular parallelepiped cavity formed by the cross beam connecting plate 4 , the rear longitudinal beam 5 and the rear floor 7 .

As shown in Figures 1 to 5, the automobile rear shock absorber mounting structure of the present invention also includes a spring mounting plate 6 fixedly connected to the rear longitudinal beam 5 and the cross beam connecting plate 4, and the spring mounting plate 6 is connected to the rear longitudinal beam 5 and the cross beam. The connecting plate 4 surrounds and forms a third cavity, and the third cavity is a strip-shaped complete cavity formed by surrounding the spring mounting plate 6 , the rear longitudinal beam 5 and the crossbeam mounting plate.

As shown in FIGS. 4 to 7 , the support assembly includes a shock absorber threaded pipe 1 connected to the rear shock absorber and a threaded pipe mounting plate 2 connected to the shock absorber threaded pipe 1 and the rear longitudinal beam 5 . The threaded pipe 1 of the shock absorber is a cylindrical tubular member with threads tapped inside. The purpose is to pass through the upper mounting point of the shock absorber through the bolt and to be screwed with the threaded pipe 1 of the shock absorber. The threaded connection between the pipes 1 realizes the installation of the shock absorber.

As shown in Figures 4 to 7, the threaded pipe mounting plate 2 is welded to the rear longitudinal beam 5 and the rear longitudinal beam reinforcement plate 3, and the threaded pipe mounting plate 2 includes a first connecting portion 206 and a second connecting portion 207 that are sequentially fixedly connected. and the third connecting portion 208, the first connecting portion 206 and the third connecting portion 208 are respectively located on one side of the second connecting portion 207, and the second connecting portion 207 is an arc-shaped structure to form a space for accommodating the shock absorber threaded pipe 1. slot. The threaded pipe mounting plate 2 is a W-shaped section in the B-B cross-sectional view. The setting of the second connecting part 207 makes the middle of the threaded pipe mounting plate 2 protrude in a semicircle, and the radius size of the formed accommodation groove is the same as that of the shock absorber threaded pipe 1 The outer diameter of the shock absorber threaded pipe 1 can be put into the accommodating groove below the second connecting part 207, and the outer surface of the shock absorber threaded pipe 1 and the surface of the threaded pipe mounting plate 2 are formed The corner area is firmly connected by carbon dioxide gas shielded welding.

In order to improve the connection strength, an avoidance hole 205 is provided on the second connection part 207 of the threaded pipe mounting plate 2, and the shock absorber threaded pipe 1 is embedded in the accommodating groove and welded to the second connection part 207 and connected to the first connection part 207 at the escape hole 205 The two connection parts 207 are welded and connected, and the avoidance hole 205 is preferably a waist-shaped hole. At the avoidance hole 205, the threaded pipe mounting plate 2 is connected with the shock absorber threaded pipe 1 using carbon dioxide gas shielded welding, so that the shock absorber threaded pipe 1 and A three-dimensional welding connection is formed between the threaded pipe mounting plates 2, which is more firm. In this embodiment, as shown in FIG. 6 , two escape holes 205 are provided on the second connecting portion 207 along a direction parallel to the axial direction of the shock absorber threaded tube 1 .

As shown in FIGS. 5 and 6 , the threaded pipe mounting plate 2 also includes a plurality of joints vertically arranged on the first connecting portion 206 and the third connecting portion 208 and welded to the rear longitudinal beam 5 and the rear longitudinal beam reinforcement plate 3 . Turning, the plurality of turnings include the first turning 201 and the fourth turning 204 arranged on the third connection part 208 and the second turning 202 and the third turning 203 arranged on the first connecting part 206, The first flanging 201 and the fourth flanging 204 are arranged oppositely and are respectively arranged at one end edge of the third connecting portion 208, and the second flanging 202 and the third flanging 203 are oppositely arranged and are respectively arranged at the first connecting portion At the edge of one end of 206, the first flange 201, the second flange 202, the third flange 203 and the fourth flange 204 are attached to the rear longitudinal beam 5 and the rear longitudinal beam reinforcement plate 3, and three-layer board resistance welding is performed connect. The setting of the flanging can enhance the rigidity of the threaded pipe mounting plate 2 itself.

As shown in Figures 4 and 5, the rear longitudinal beam 5 is a U-shaped member in cross section, which includes a longitudinal beam bottom wall 503 and a first longitudinal beam side wall 504 and a first longitudinal beam side wall 504 opposite to the longitudinal beam bottom wall 503 Two longitudinal beam side walls 505, the first longitudinal beam side wall 504 is used as the first partition separating the first cavity and the second cavity, and the longitudinal beam bottom wall 503 is used as the third partition separating the first cavity and the third cavity. clapboard. The first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 are vertically arranged on the longitudinal beam bottom wall 503 and fixedly connected with one side edge of the longitudinal beam bottom wall 503 respectively, and the longitudinal beam bottom wall 503 is arranged along the horizontal direction , the upper ends of the first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 are fixedly connected to the rear floor 7, and the first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 are provided with threaded tubes for shock absorbers 1 through the through hole 501, the through hole 501 is a round hole. The two ends of the shock absorber threaded pipe 1 pass through the through holes 501 provided on the first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 respectively, and then face the first longitudinal beam side wall 504 and the second longitudinal beam side respectively. The outer side of the wall 505 protrudes about 15mm, and the two ends are firmly connected with the first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 of the rear longitudinal beam 5 through carbon dioxide gas shielded welding.

As shown in Figures 4 and 5, the rear longitudinal beam reinforcement plate 3 is embedded in the inner cavity of the rear longitudinal beam, and the rear longitudinal beam reinforcement plate 3 is a U-shaped member in cross section, which includes a reinforcement plate bottom wall 303 and a reinforcement plate On the bottom wall 303 are a first reinforcing plate side wall 304 and a second reinforcing plate side wall 305 oppositely disposed. The first reinforcement plate side wall 304 and the second reinforcement plate side wall 305 are vertically arranged on the reinforcement plate bottom wall 303 and fixedly connected with one side edge of the reinforcement plate bottom wall 303 respectively, and the reinforcement plate bottom wall 303 is arranged along the horizontal direction , the reinforcing plate bottom wall 303 is located above the longitudinal beam bottom wall 503 and welded to the longitudinal beam bottom wall 503, the first reinforcing plate side wall 304 is attached to the first longitudinal beam side wall 504 and both are welded, and the second reinforcing plate The side wall 305 is attached to the second longitudinal beam side wall 505 and the two are welded together. The first reinforcement plate side wall 304 and the second reinforcement plate side wall 305 are provided with a through hole for the shock absorber threaded pipe 1 to pass through. 301 , the through hole 301 is a round hole and the diameter of the through hole 301 is about 2-3 mm larger than the outer diameter of the shock absorber threaded pipe 1 . The two circular holes 301 provided on the two side walls of the rear longitudinal beam reinforcement plate 3 correspond to the two circular holes 501 provided on the two side walls of the rear longitudinal beam 5, and the circular holes 501 and the circular holes 301 are concentric , and the diameter of the circular hole 501 is 2 mm larger than that of the circular hole 301 .

As shown in Figure 5, on the side wall of the corresponding shock absorber of the rear longitudinal beam reinforcement plate 3, that is, on the side wall 305 of the second reinforcement plate, two round holes with a diameter of 11mm are arranged as the installation holes 302, and An M10 projection welding nut is welded at the mounting hole 302 for assisting in fixing the rear shock absorber. Part of the profile of the first reinforcement side wall 304 , the second reinforcement side wall 305 and the reinforcement bottom wall 303 of the rear longitudinal beam reinforcing plate 3 fits with the corresponding position of the rear longitudinal beam 5 for welding.

As shown in Figure 4 and Figure 5, the threaded pipe mounting plate 2 is located above the shock absorber threaded pipe 1 and embedded in the inner cavity of the rear longitudinal beam reinforcement plate 3, the four flanges on the threaded pipe mounting plate 2 are in line with the rear longitudinal The first longitudinal beam side wall 504 and the second longitudinal beam side wall 505 on the beam 5 and the first reinforcing plate side wall 304 and the second reinforcing plate side wall 305 on the rear longitudinal beam reinforcing plate 3 are attached, and at these four places Three-layer board resistance welding is performed on the joint parts.

As shown in Figures 1 to 5, the spring mounting plate 6 is located directly below the rear longitudinal beam 5, and the spring mounting plate 6 has a lower bottom wall 606, a flange 601 arranged at one side edge of the lower bottom wall 606, and a vertically arranged The connection surface 603 and the connection surface 604 on one edge of the lower bottom wall 606 are opposite to the flange 601 . The flange 601 is attached to the outer wall surface of the second longitudinal beam side wall 505 on the rear longitudinal beam 5, and the two are connected by resistance welding. Through this connection, the rear longitudinal beam 5 on the side of the rear shock absorber is strengthened. facade strength.

Further, as shown in FIG. 4 and FIG. 5 , the lower bottom wall 606 of the spring mounting plate 6 is located below the longitudinal beam bottom wall 503 and extends in the horizontal direction. The two ends of the lower bottom wall 606 in the length direction are respectively the first The connecting end 602 and the second connecting end 605, the end faces of the first connecting end 602 and the second connecting end 605 are horizontal planes that are attached to the longitudinal beam bottom wall 503 of the rear longitudinal beam 5, and the two ends of the lower bottom wall 606 are horizontally aligned with the The bottom surface of the rear longitudinal beam 5 forms a three-layer plate welding, the connecting surface 603 is attached to the connecting surface 404 on the cross beam connecting plate 4 and the two are connected by welding, the connecting surface 604 is connected to the first longitudinal beam side wall on the rear longitudinal beam 5 The outer wall of 504 is attached and the two are welded together.

As shown in Figures 1 to 5, one end of the crossbeam connecting plate 4 is fixedly connected to the rear longitudinal beam 5 and protrudes toward one side of the rear longitudinal beam 5 in the horizontal direction, and the length direction of the crossbeam connecting plate 4 is in line with that of the rear longitudinal beam 5. perpendicular to the length direction. The beam connection plate 4 has an upper bottom wall 405 and a connecting surface 402, a connecting surface 403 and a connecting surface 404 vertically arranged on the side edge of the upper bottom wall 405, and the connecting surface 403 and the connecting surface 404 are arranged on the same side of the upper bottom wall 405. At the side edge, the connection surface 402 and the connection surface 403 are oppositely disposed and are respectively located at a side edge of the upper bottom wall 405 . One end of the upper floor bottom wall 405 is the connection end 401 connected with the rear longitudinal beam 5, and the end surface of the connection end 401 is a horizontal plane that is bonded and welded to the bottom surface of the longitudinal beam bottom wall 503 of the rear longitudinal beam 5, and the connection surface 402 is connected with the rear longitudinal beam 5. The surface 403 is attached and welded to the outer wall surface of the first side wall 504 of the rear longitudinal beam 5 , so as to firmly enclose the rear longitudinal beam 5 .

As shown in Figure 4, the upper bottom wall 405 is located above the lower bottom wall 606, and the upper bottom wall 405 serves as a second partition separating the second cavity and the third cavity, and the upper bottom wall 405 and the lower bottom wall 606 A cavity is formed between them. The spring mounting plate also has a connection surface 607 connected to the connection surface 603 and the first connection end 602, the connection surface 607 is vertically connected to the lower end of the connection surface 603, and the connection surface 607 is attached and welded to the upper bottom wall 405 to close the second Three chambers.

As shown in FIG. 4 , the horizontal flange surfaces of the rear longitudinal beam 5 , the beam connecting plate 4 and the spring mounting plate 6 are all bonded and welded to the rear floor 7 .

Through the connection of the above parts, a ring-shaped cage structure is formed around the threaded pipe. When the threaded pipe is subjected to the impact force brought by the rear shock absorber, the ring-shaped cage structure formed around its periphery effectively decomposes the force into several parts. channel, thus playing the role of changing from large to small.

Adopt above-mentioned structure, automobile rear shock absorber installation structure of the present invention has following beneficial effect:

1. The structure is solid. The threaded pipe is arranged inside the rear longitudinal beam, making full use of the strongest part of the body to bear the force, while the previous scheme (Figure 10) arranged above the rear wheel house is far away from the rear longitudinal beam, and the structure is not as good as its firmness;

2. Space-saving, because it is arranged at the rear longitudinal beam instead of above the rear wheel house, it saves the layout space above the rear wheel house (see the mark on the circle in Figure 8), thus providing a larger space for the passenger compartment. layout and activity space;

3. Lightweight. Compared with the traditional scheme in which the rear shock absorber installation point is arranged above the rear wheel cover, the scheme placed inside the rear longitudinal beam effectively uses the rear longitudinal beam, the strongest part of the car body, and saves additional large The reinforcement plate is used to break down the force, thereby achieving the purpose of reducing the weight of the vehicle body;

4. Since the installation structure of the rear shock absorber is arranged on the outside of the vehicle body (see Fig. 8 and Fig. 10 for comparison), no sealing treatment is required, so compared with the fixed structure of the rear shock absorber of conventional vehicles, the sealing reliability of the present invention is very high , the probability of water leakage and sound leakage is 0;

5. The setting of the three closed cavity structures of the first cavity, the second cavity and the third cavity can effectively improve the load impact capacity of the threaded pipe where the rear shock absorber is installed on the Y direction and Z direction, and can pass through The rear longitudinal beam and the cross beam connecting plate 4 decompose and weaken the force to the surroundings.

The present invention has been exemplarily described above with reference to the accompanying drawings. Apparently, the specific implementation of the present invention is not limited by the above methods. As long as various insubstantial improvements are made using the method concept and technical solution of the present invention; or without improvement, the above-mentioned concept and technical solution of the present invention are directly applied to other occasions, all within the protection scope of the present invention within.

Claims (7)

1. The installation structure of the rear shock absorber of the automobile, including the rear longitudinal beam and the rear floor, is characterized in that it also includes a support assembly for connecting with the upper end of the rear shock absorber and the rear longitudinal beam, accommodating support The first cavity of the seat assembly, the second cavity located on one side of the first cavity, and the third cavity located below the first cavity and the second cavity, and the support assembly is located below the rear floor ; The installation structure of the automobile rear shock absorber also includes a rear longitudinal beam reinforcement plate connected with the support assembly and the rear longitudinal beam; The first cavity is surrounded by the rear longitudinal beam and the rear floor, and the rear longitudinal beam reinforcement plate is located in the first cavity; The automobile rear shock absorber installation structure further includes a crossbeam connecting plate located under the rear floor and connected to the rear longitudinal beam, and the crossbeam connecting plate surrounds the rear longitudinal beam and the rear floor to form the second cavity. 2. The automobile rear shock absorber installation structure according to claim 1, characterized in that, the first cavity is separated from the second cavity by a first partition, and the second cavity is separated from the second cavity. The third cavity is separated by a second partition, and the first cavity and the third cavity are separated by a third partition. 3. The automobile rear shock absorber mounting structure according to claim 1, further comprising a spring mounting plate connected with the rear longitudinal beam and the cross beam connecting plate, the spring mounting plate is connected with the rear longitudinal beam and the cross beam The connecting plate surrounds and forms the third cavity. 4. The automobile rear shock absorber installation structure according to any one of claims 1 to 3, characterized in that, the support assembly includes a shock absorber threaded pipe connected with the rear shock absorber and a shock absorber Connector threaded pipe and the rear longitudinal member to the threaded pipe mounting plate. 5. The automobile rear shock absorber mounting structure according to claim 4, characterized in that, the threaded pipe mounting plate comprises a first connecting portion, a second connecting portion and a third connecting portion connected in sequence, and the second connecting portion It is an arc-shaped structure to form an accommodating groove for accommodating the threaded pipe of the shock absorber. 6. The automobile rear shock absorber installation structure according to claim 5, characterized in that, the threaded pipe installation plate also includes a mounting plate arranged on the first connecting portion and the third connecting portion and connected to the rear The flange connecting the longitudinal beam and the reinforcement plate of the rear longitudinal beam. 7. The automobile rear shock absorber installation structure according to claim 5, characterized in that, the second connecting part has an avoidance hole, and the threaded pipe of the shock absorber is embedded in the accommodating groove and is connected with the second connecting part. Welding connection and welding connection with the second connection part at the avoidance hole.

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