CN205854273U - Rear suspension mounting structure and there is its body of a motor car - Google Patents

Abstract

A rear suspension installation structure, the rear suspension installation structure can be matched with multi-link rear suspension or torsion beam rear suspension, the rear suspension installation structure includes a trailing arm installation structure, a coil spring installation structure, and a shock absorber installation Structure, the trailing arm mounting structure is fixed on the rear longitudinal beam, the trailing arm mounting structure includes multiple trailing arm mounting points, through different trailing arm mounting points, the trailing arm of the multi-link rear suspension or the longitudinal arm of the torsion beam rear suspension The arms are matched and installed; the coil spring installation structure is fixed on the rear longitudinal beam. The coil spring installation structure includes a sub-frame mounting seat and a coil spring mounting seat. The sub-frame mounting seat matches the coil spring of the multi-link rear suspension, and the coil spring The mounting seat matches the coil spring of the torsion beam rear suspension; the shock absorber installation structure is fixed under the rear wheel housing, and the shock absorber installation structure matches the shock absorber of the multi-link rear suspension or the shock absorber of the torsion beam rear suspension. vibrator. An automobile body including a rear suspension mounting structure.

Description

Rear suspension installation structure and automobile body having same

technical field

The utility model relates to the technical field of automobiles, in particular to a rear suspension installation structure capable of matching and installing a torsion beam rear suspension and a multi-link rear suspension and an automobile body with the same.

Background technique

With the improvement of people's living standards and the rapid development of the automobile industry, automobiles have entered thousands of households as an important means of transportation, and the rear suspension is one of the indispensable components of automobiles.

The rear suspension and other components are installed on the body of the car to form the frame of the vehicle. The rear suspension includes a trailing arm (with bracket or without bracket), subframe, coil spring, and shock absorber. The installation position and installation of the trailing arm, coil spring, and shock absorber of different rear suspensions with the car body The method is not uniform, so a car body can only be matched with a certain type of rear suspension (such as torsion beam rear suspension or multi-link rear suspension).

Fig. 1 is the installation structure schematic diagram of existing automobile body and multi-link rear suspension, Fig. 2 is the exploded structure diagram of Fig. 1, Fig. 3 is the installation structure schematic diagram of existing automobile body and torsion beam rear suspension, Fig. 4 is a schematic diagram of the exploded structure of FIG. 3 . Specifically, referring to Fig. 1 to Fig. 4, the difference between the installation structure of the multi-link rear suspension and the car body, and the installation structure of the torsion beam rear suspension and the car body is: for the installation of the trailing arm: the multi-link rear The longitudinal arm 501 of the suspension 500 has its own bracket 502, which is installed on the rear longitudinal beam 401 of the automobile body 400 by means of screw connection, while the longitudinal arm 601 of the torsion beam rear suspension 600 has no bracket, and is welded to the automobile body 400' The trailing arm mounting seat 402' on the rear longitudinal beam 401' is used to install the trailing arm 601; for the installation of the coil spring: the coil spring 503 of the multi-link rear suspension 500 is integrated into the subframe of the multi-link rear suspension 500 505, and then fixed on the rear longitudinal beam 401 through the installation point of the sub-frame 505, and the coil spring 603 of the torsion beam rear suspension 600 is installed through the spring mounting seat 404' welded to the rear longitudinal beam 401'; Shock absorber installation: the shock absorber 504 of the multi-link rear suspension 500 is integrated on the subframe 505, and then fixed on the rear longitudinal beam 401 through the subframe mounting point 506, while the shock absorber of the torsion beam rear suspension 600 The shock absorber 604 is installed with the shock absorber mount 406' mounted on the wheel cover 405' of the vehicle body 400'. The installation methods of different rear suspensions and car bodies are not uniform, the versatility of the car body is poor, there are many installation structural components, heavy weight, high manufacturing cost, long development cycle, and difficult production control.

Utility model content

In view of the above situation, it is necessary to provide a rear suspension installation structure that can be matched with a torsion beam rear suspension and a multi-link rear suspension, so as to solve the shortcomings of the prior art such as poor versatility of the automobile body.

The utility model provides a rear suspension mounting structure, the rear suspension mounting structure can be matched with a multi-link rear suspension or a torsion beam rear suspension, the rear suspension mounting structure includes a longitudinal arm mounting structure, a coil spring The mounting structure and the shock absorber mounting structure, the mounting structure of the trailing arm is fixed on the rear longitudinal beam, the mounting structure of the trailing arm includes a plurality of mounting points of the trailing arm, and the mounting points of the trailing arm are different for the multiple mounting points of the trailing arm. The trailing arm of the link rear suspension or the trailing arm of the torsion beam rear suspension are matched and installed; the coil spring installation structure is fixed on the rear longitudinal beam, and the coil spring installation structure includes a subframe mounting seat and a coil spring Mounting seat, the sub-frame mounting seat matches and installs the coil spring of the multi-link rear suspension, and the coil spring mounting seat matches and installs the coil spring of the torsion beam rear suspension; the shock absorber mounting structure It is fixed under the rear wheel housing, and the shock absorber installation structure matches the shock absorber of the multi-link rear suspension or the shock absorber of the torsion beam rear suspension.

According to an embodiment of the present invention, the trailing arm installation structure includes a trailing arm lower mounting plate, a trailing arm upper mounting plate, and a trailing arm mounting point, and the trailing arm lower mounting plate is fixedly connected to the front section of the rear longitudinal beam , the upper mounting plate of the trailing arm is fixed above the lower mounting plate of the trailing arm, the upper mounting plate of the trailing arm is separated from the lower mounting plate of the trailing arm to form a cavity, and the mounting point of the trailing arm is fixed on the There is an opening at the rear longitudinal beam below the rear longitudinal beam and above the installation point of the longitudinal arm.

According to an embodiment of the present invention, the mounting point of the trailing arm includes a nut and an axle nut, and for cooperating with the nut on the mounting plate of the trailing arm and the rear longitudinal beam, a second upper mounting plate overlapping up and down is provided. A through hole and the first through hole of the rear longitudinal beam, one end of the nut is connected to the upper mounting plate of the longitudinal arm by projection welding on the outer periphery of the first through hole of the upper mounting plate, and the other end of the nut is free from the The lower mounting plate of the trailing arm is in contact with the shaft nut, and a second through hole of the upper mounting plate is provided on the upper mounting plate of the trailing arm, the lower mounting plate of the trailing arm and the rear longitudinal beam respectively to match the axle nut. , the through hole of the lower mounting plate and the second through hole of the rear longitudinal beam, one end of the axle nut is connected with the projection welding of the upper mounting plate of the longitudinal arm on the outer periphery of the second through hole of the upper mounting plate, and the other end of the axle nut One end is arc welded to the lower mounting plate of the trailing arm on the periphery of the through hole of the lower mounting plate.

According to an embodiment of the present invention, the installation point of the trailing arm includes four nuts and three axle nuts.

According to an embodiment of the present invention, the sub-frame mounting seat includes a first sub-frame mounting seat and a second sub-frame mounting seat, and the first sub-frame mounting seat is arranged on the second sub-frame The front part of the frame mounting seat, the first sub-frame mounting seat and the second sub-frame mounting seat match the sub-frame of the multi-link rear suspension.

According to an embodiment of the present invention, the first sub-frame mounting seat includes the connecting plate of the rear cross beam of the middle row seat, the inner reinforcement plate of the rear longitudinal beam, and the first axle nut, and the rear cross beam of the middle row seat is connected The plate and the inner reinforcing plate of the rear longitudinal beam are respectively arranged on the upper and lower sides of the rear longitudinal beam and are fixedly connected with the rear longitudinal beam, and the inner reinforcing plate of the rear longitudinal beam is attached to the rear longitudinal beam. The rear crossbeam connecting plate of the middle row of seats is spaced from the rear longitudinal beam to form a second cavity, in order to cooperate with the first axle nut on the rear crossbeam connecting plate of the middle row of seats, the rear longitudinal beam, the The first through hole of the subframe, the third through hole of the rear longitudinal beam, and the second through hole of the subframe are opened on the inner reinforcement plate of the rear longitudinal beam, and the first shaft nut is passed through the rear longitudinal beam. In the third through hole, one end of the first axle nut is arc-welded to the rear crossbeam connecting plate of the middle row of seats on the outer periphery of the first through hole of the sub-frame, and the other end of the first axle nut is connected to the The outer periphery of the second through hole of the sub-frame is arc-welded to the inner reinforcing plate of the rear longitudinal beam.

According to an embodiment of the present invention, the second auxiliary frame mounting seat includes an upper reinforcement plate of the rear longitudinal beam, a lower reinforcement plate of the rear longitudinal beam, and a second axle nut, the upper reinforcement plate of the rear longitudinal beam, the The lower reinforcement plates of the rear longitudinal beams are arranged under the rear longitudinal beams and fixedly connected with the rear longitudinal beams, the upper reinforcement plates of the rear longitudinal beams are attached to the rear longitudinal beams, and the lower rear longitudinal beams The reinforcing plate is located below the upper reinforcing plate of the rear longitudinal beam and is separated from the upper reinforcing plate of the rear longitudinal beam to form a third cavity, in order to cooperate with the second axle nut on the rear longitudinal beam and the rear longitudinal beam The reinforcing plate and the lower reinforcing plate of the rear longitudinal beam are provided with the fourth through hole of the rear longitudinal beam overlapping up and down, the third through hole of the subframe, and the fourth through hole of the subframe, and the second shaft nut is penetrated in the In the fourth through hole of the rear longitudinal beam, one end of the second axle nut is arc welded to the reinforcement plate on the rear longitudinal beam on the outer periphery of the third through hole of the sub-frame, and the other end of the second axle nut It is connected by arc welding to the lower reinforcement plate of the rear longitudinal beam on the outer periphery of the fourth through hole of the sub-frame.

According to an embodiment of the present invention, the coil spring mounting seat includes a coil spring mounting plate and a coil spring mounting reinforcement plate, the coil spring mounting plate is arranged on the rear longitudinal beam close to the rear cross beam, and the coil spring One side of the mounting plate is overlapped with the rear beam, and the other side of the coil spring mounting plate protrudes from the outer side of the rear longitudinal beam and a coil spring mounting reinforcing plate is provided below to support the protrusion of the coil spring mounting plate. Out of the part, the coil spring mounting plate is provided with a coil spring mounting point, and the coil spring mounting point is screwed to the coil spring of the torsion beam rear suspension.

According to an embodiment of the present invention, the shock absorber mounting structure includes a shock absorber mounting plate and a shock absorber mounting point, and the shock absorber mounting plate is arranged under the rear wheel housing and connected to the rear wheel The cover is welded and connected, and the shock absorber mounting point is provided on the shock absorber mounting plate, and the shock absorber mounting point is connected with the shock absorber of the multi-link rear suspension or the torsion beam rear suspension The shock absorber threaded connection.

The utility model also provides an automobile body, which includes the rear suspension mounting structure.

As mentioned above, the beneficial effect brought by the technical solution of the embodiment of the utility model is: the rear suspension installation structure of this embodiment, because it includes the trailing arm installation structure, the coil spring installation structure, and the shock absorber installation structure, it can Matching installation of torsion beam rear suspension or multi-link rear suspension makes the car body universal and reduces manufacturing cost.

Description of drawings

Fig. 1 is a schematic diagram of the installation structure of the existing automobile body and multi-link rear suspension.

FIG. 2 is a schematic diagram of the exploded structure of FIG. 2 .

Fig. 3 is a schematic diagram of the installation structure of the existing automobile body and torsion beam rear suspension.

FIG. 4 is a schematic diagram of an exploded structure of FIG. 3 .

Fig. 5 is a structural schematic diagram of the rear suspension installation structure of the embodiment of the present invention.

Fig. 6 is a schematic diagram of the installation structure of the rear suspension and the installation structure of the multi-link rear suspension according to the embodiment of the present invention.

Fig. 7 is a schematic diagram of the installation structure of the rear suspension and the installation structure of the torsion beam rear suspension according to the embodiment of the present invention.

Fig. 8 is a structural schematic diagram of the installation structure of the trailing arm.

FIG. 9 is a schematic view of the structure of FIG. 8 in another direction.

Fig. 10 is a cross-sectional view at AA in Fig. 9 .

Fig. 11 is a cross-sectional view at BB in Fig. 9 .

Fig. 12 is a schematic structural view of the sub-frame mounting seat.

Fig. 13 is a cross-sectional view at CC in Fig. 12 .

Fig. 14 is a cross-sectional view at DD in Fig. 12 .

Fig. 15 is a schematic structural view of the helical spring mounting seat.

Fig. 16 is a structural schematic diagram of the installation structure of the shock absorber.

Fig. 17 is a schematic view of the structure of Fig. 16 in another direction.

detailed description

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the utility model, the specific implementation, structure, features and effects of the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. .

Fig. 5 is a structural schematic diagram of the rear suspension installation structure of the embodiment of the utility model, Fig. 6 is a schematic diagram of the installation structure of the rear suspension suspension and the multi-link rear suspension of the utility model embodiment, Fig. 7 is a schematic diagram of the utility model The rear suspension installation structure of the embodiment and the installation structure schematic diagram of the torsion beam rear suspension. For the convenience of description, in addition to the rear suspension installation structure 10, FIGS. 5 to 7 also include a multi-link rear suspension 200, a torsion beam rear suspension 300, and the like. Specifically, referring to Fig. 5 to Fig. 8, the rear suspension mounting structure 10 of the embodiment of the present invention includes a trailing arm mounting structure 11, a coil spring mounting structure 12, and a shock absorber mounting structure 13, and the rear suspension mounting structure 10 There are two and arranged symmetrically on the left and right under the automobile body 400 . The rear suspension mounting structure 10 can be matched with a multi-link rear suspension 200 , and can also be matched with a torsion beam rear suspension 300 .

Referring to FIGS. 8 to 11 , the trailing arm mounting structure 11 includes a trailing arm lower mounting plate 111 , a trailing arm upper mounting plate 112 , and a trailing arm mounting point 114 .

The lower mounting plate 111 of the trailing arm is fixedly connected to the front section of the rear longitudinal beam 21, and the fixed connection is welding, but not limited thereto. The upper trailing arm mounting plate 112 is above the trailing arm lower mounting plate 111, and the trailing arm upper mounting plate 112 and the trailing arm lower mounting plate 111 are spaced up and down to form a cavity 113. The cavity 113 can strengthen the overall strength of the trailing arm mounting structure 11 .

Since the structure and arrangement of the trailing arm 201 of the multi-link rear suspension 200 and the trailing arm 301 of the torsion beam rear suspension 300 are slightly different, there are multiple trailing arm mounting points 114. By selecting different trailing arm mounting points 114 is installed to match the trailing arm 201 of the multi-link rear suspension 200 or the trailing arm 301 of the torsion beam rear suspension 300 .

Trailing arm mounting point 114 includes nut 115 and axle nut 116 . In order to cooperate with the nut 115, the upper mounting plate 112 of the longitudinal arm and the rear longitudinal beam 21 are provided with the first through hole 1122 of the upper mounting plate and the first through hole 212 of the rear longitudinal beam that overlap up and down. The upper mounting plate 112 of the trailing arm on the periphery of the through hole 1122 is connected by projection welding, and the other end of the nut 115 is free from contact with the lower mounting plate 111 of the trailing arm. In order to cooperate with the shaft nut 116, the upper mounting plate 112 of the trailing arm, the lower mounting plate 111 of the trailing arm and the rear longitudinal beam 21 are respectively provided with the second through hole 1124 of the upper mounting plate, the through hole 1112 of the lower mounting plate and the rear longitudinal beam. The second through hole 214, one end of the axle nut 116 is connected with the upper mounting plate 112 of the longitudinal arm on the outer periphery of the second through hole 1124 of the upper mounting plate by projection welding, and the other end of the axle nut 116 is connected to the lower longitudinal arm of the outer periphery of the through hole 1112 of the lower mounting plate. The mounting plate 111 is arc welded, which adds strength and rigidity to the axle nut 116 . There are four nuts 115, the first nut 1151, the second nut 1152, the third nut 1153, and the fourth nut 1154, and the shaft nuts 116 are three, namely the first shaft nut 1161, the second shaft nut 1162, and the third shaft nut. Nut 1163. The shaft nut 116 is connected up and down by welding (projection welding, arc welding), so that the strength and rigidity of the trailing arm mounting point 114 can be guaranteed, but in order to ensure the welding accuracy (verticality of the trailing arm mounting point 114), the seven trailing arms The mounting points 114 cannot all adopt shaft nuts 116, but adopt a combination of (four) nuts 115 and (three) shaft nuts 116, which not only ensures the strength and rigidity of the trailing arm mounting points 114 but also ensures the rigidity of the trailing arm mounting points 114. Verticality.

When the trailing arm installation structure 11 is connected to the trailing arm 201 of the multi-link rear suspension 200, the first nut 1151, the second nut 1152, the third nut 1153, and the first axle nut 1161 are connected to the multi-link rear suspension respectively. The trailing arm 201 (trailing arm bracket 2012) of 200 is fixedly connected. When the trailing arm installation structure 11 is connected to the trailing arm 301 of the torsion beam rear suspension 300, the fourth nut 1154, the first shaft nut 1161, the second shaft nut 1162, and the third shaft nut 1163 are connected to the torsion beam rear suspension respectively. The longitudinal arm 301 of 300 is fixedly connected, and the above-mentioned fixed connection is usually a threaded connection.

The coil spring mounting structure 12 includes a sub-frame mounting seat 121 and a coil spring mounting seat 124 , and the sub-frame mounting seat 121 and the coil spring mounting seat 124 are staggered and arranged on the rear longitudinal beam 21 . The coil spring 203 of the multi-link rear suspension 200 and the coil spring 303 of the torsion beam rear suspension 300 have different structural settings, so the sub-frame mounting seat 121 and the coil spring mounting seat 124 are matched with the multi-link rear suspension 200 respectively. The coil spring 203 of the torsion beam rear suspension 300 and the coil spring 303 of the torsion beam rear suspension 300 .

Since the coil spring 203 of the multi-link rear suspension 200 is integrated on the sub-frame 202 of the multi-link rear suspension 200, the sub-frame 202 of the multi-link rear suspension 200 is installed after the multi-link rear suspension 200 is installed. The coil spring 203 of the suspension 200 .

Referring to Figures 5, 6, 12, 13, and 14, the subframe mount 121 includes a first subframe mount 122 and a second subframe mount 123, and the first subframe mount 122 is arranged on the second subframe mount 123. The front part of the second auxiliary frame mounting seat 123.

The first auxiliary frame mounting seat 122 includes a middle row seat rear cross beam connecting plate 1221 , a rear longitudinal beam inner reinforcement plate 1222 , and a first axle nut 1224 . The rear cross member connecting plate 1221 of the middle row seat and the inner reinforcement plate 1222 of the rear longitudinal beam are respectively arranged on the upper and lower sides of the rear longitudinal beam 21 and fixedly connected thereto. The fixed connection is welding, and the inner reinforcement plate 1222 of the rear longitudinal beam is attached to the rear longitudinal beam On the beam 21 , a second cavity 1223 is formed at a certain distance between the middle row seat rear cross member connecting plate 1221 and the rear longitudinal beam 21 , and the second cavity 1223 can strengthen the overall strength of the first subframe mounting seat 122 . In order to cooperate with the first axle nut 1224, the first through hole 1225 of the sub-frame overlapping up and down and the third through hole of the rear longitudinal beam are opened on the rear cross member connecting plate 1221 of the middle row seat, the rear longitudinal beam 21, and the inner reinforcement plate 1222 of the rear longitudinal beam. The through hole 216, the second through hole 1226 of the subframe, and the first axle nut 1224 are passed through the third through hole 216 of the rear longitudinal beam. The rear beam connecting plate 1221 of the row of seats is connected by arc welding, and the other end of the first axle nut 1224 is connected by arc welding to the inner reinforcement plate 1222 of the rear longitudinal beam on the outer periphery of the second through hole 1226 of the subframe.

The second auxiliary frame mounting seat 123 includes a rear longitudinal beam upper reinforcement plate 1231 , a rear longitudinal beam lower reinforcement plate 1232 , and a second axle nut 1234 . The upper reinforcing plate 1231 of the rear longitudinal beam and the lower reinforcing plate 1232 of the rear longitudinal beam are both arranged under the rear longitudinal beam 21 and fixedly connected with the rear longitudinal beam 21. The fixed connection is welding, and the upper reinforcing plate 1231 of the rear longitudinal beam is attached to the rear On the longitudinal beam 21, the rear longitudinal beam lower reinforcing plate 1232 is located below the rear longitudinal beam upper reinforcing plate 1231 and is spaced a certain distance from the rear longitudinal beam upper reinforcing plate 1231 to form a third cavity 1233, the third cavity 1233 can strengthen the second auxiliary The overall strength of the frame mount 123. In order to cooperate with the second axle nut 1234, the rear longitudinal beam 21, the upper reinforcement plate 1231 of the rear longitudinal beam and the lower reinforcement plate 1232 of the rear longitudinal beam are provided with the fourth through hole 218 of the rear longitudinal beam and the third through hole of the auxiliary frame. 1235. The fourth through hole 1236 of the subframe, the second axle nut 1234 is inserted in the fourth through hole 218 of the rear longitudinal beam, and one end of the second axle nut 1234 is connected to the outer peripheral rear longitudinal beam of the third through hole 1235 of the subframe The upper reinforcing plate 1231 is connected by arc welding, and the other end of the second axle nut 1234 is connected by arc welding to the lower reinforcing plate 1232 of the rear longitudinal beam on the outer periphery of the fourth through hole 1236 of the subframe.

The sub-frame 202 of the multi-link rear suspension 200 is screwed together with the first sub-frame mount 122 and the second sub-frame mount 123, that is, the sub-frame integrated in the multi-link rear suspension 200 The coil spring 203 of the multi-link rear suspension 200 on the 202 is installed.

Referring to FIGS. 5 , 7 , and 15 , for the coil spring mount 124 that matches the coil spring 303 of the torsion beam rear suspension 300 , the coil spring mount 124 includes a coil spring mounting plate 125 and a coil spring mounting reinforcement plate 126 . The coil spring mounting plate 125 is arranged on the rear longitudinal beam 21 close to the rear cross beam 22 , one side of the coil spring mounting plate 125 overlaps the rear cross beam 22 , and the other side of the coil spring mounting plate 125 protrudes outside the rear longitudinal beam 21 And there is no support below, and a coil spring installation reinforcing plate 126 is arranged under the unsupported part of the coil spring mounting plate 125 to increase the strength of the coil spring mounting plate 125 while improving the torsional stiffness of the automobile body. The coil spring installation plate 125 is provided with a coil spring installation point 127, and the coil spring installation point 127 is fixedly connected with the coil spring 303 of the torsion beam rear suspension 300, and the fixed connection may be a screw connection, but not limited thereto.

In order to unify the shock absorber installation, the shock absorber 204 of the multi-link rear suspension 200 is separated from the subframe 202 and adopts the same structure as the shock absorber 304 of the torsion beam rear suspension 300 . Referring to FIGS. 5 , 6 , 7 , 16 and 17 , the shock absorber mounting structure 13 includes a shock absorber mounting plate 132 and a shock absorber mounting point 134 .

The shock absorber mounting plate 132 is arranged under the rear wheel house 24 and is welded to the rear wheel house 24. The shock absorber mounting plate 132 is overlapped with the rear wheel house liner 25 and the rear longitudinal beam 21, and the back side of the rear wheel house 24 A rear wheel house inner panel reinforcing plate 26 is provided, the lower part of the rear wheel house inner panel reinforcing plate 26 is connected with the rear beam 22 and the upper part of the rear wheel house inner panel reinforcing plate 26 is connected with the B-pillar 27 to form a ring structure, ensuring the installation strength while Automobile body has better torsional rigidity. The shock absorber mounting plate 132 is provided with a shock absorber mounting point 134, and the shock absorber mounting point 134 is fixedly connected with the shock absorber 204 of the multi-link rear suspension 200 or the shock absorber 304 of the torsion beam rear suspension 300, The fixed connection can be threaded connection, but not limited thereto.

As mentioned above, the beneficial effect brought by the technical solution of the embodiment of the utility model is: the rear suspension mounting structure 10 of this embodiment, since it includes the trailing arm mounting structure 11, the coil spring mounting structure 12, and the shock absorber mounting structure 13. It can be matched with a torsion beam rear suspension or a multi-link rear suspension, so that the automobile body has versatility and reduces manufacturing costs.

In the present invention, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion of elements other than those listed and also other elements not explicitly listed.

In the present utility model, the orientation words such as front, rear, upper and lower involved are defined by the parts in the drawings and the positions between the parts in the drawings, just to express the clarity and convenience of the technical solution . It should be understood that the use of the location words should not limit the scope of protection claimed in this application.

In the case of no conflict, the above-mentioned embodiments and the features in the embodiments of the present invention can be combined with each other.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A rear suspension mounting structure (10), the rear suspension mounting structure (10) can be matched with a multi-link rear suspension (200) or a torsion beam rear suspension (300), characterized in that: The rear suspension mounting structure (10) includes a trailing arm mounting structure (11), a coil spring mounting structure (12), and a shock absorber mounting structure (13), and the trailing arm mounting structure (11) is fixed to the rear longitudinal beam (21), the trailing arm mounting structure (11) includes a plurality of trailing arm mounting points (114), through different trailing arm mounting points (114) to the multi-link rear suspension (200) The longitudinal arm (201) or the longitudinal arm (301) of the torsion beam rear suspension (300) is matched and installed; the coil spring installation structure (12) is fixed on the rear longitudinal beam (21), and the coil spring installation structure (12) including a subframe mount (121) and a coil spring mount (124), the subframe mount (121) is matched with the coil spring (203) of the multi-link rear suspension (200) , the coil spring mount (124) is matched with the coil spring (303) of the torsion beam rear suspension (300); the shock absorber mounting structure (13) is fixed below the rear wheel housing (24), the The shock absorber installation structure (13) is matched with the shock absorber (204) of the multi-link rear suspension (200) or the shock absorber (304) of the torsion beam rear suspension (300). 2. The rear suspension mounting structure (10) according to claim 1, characterized in that: the trailing arm mounting structure (11) comprises a trailing arm lower mounting plate (111), a trailing arm upper mounting plate (112), and the trailing arm installation point (114), the trailing arm lower mounting plate (111) is fixedly connected to the front section of the rear longitudinal beam (21), and the trailing arm upper mounting plate (112) is fixed to the trailing arm for installation Above the plate (111), the longitudinal arm upper mounting plate (112) and the longitudinal arm lower mounting plate (111) are spaced up and down to form a cavity (113), and the longitudinal arm mounting point (114) is fixed on the There is an opening at the rear longitudinal beam (21) below the rear longitudinal beam (21) and above the longitudinal arm installation point (114). 3. The rear suspension mounting structure (10) according to claim 2, characterized in that: the trailing arm mounting point (114) includes a nut (115) and an axle nut (116), for matching the nut (115) ) The upper mounting plate (112) of the longitudinal arm and the rear longitudinal beam (21) are provided with the first through hole (1122) of the upper mounting plate and the first through hole (212) of the rear longitudinal beam that overlap up and down. One end of the nut (115) is projected welded to the upper mounting plate (112) on the longitudinal arm on the outer periphery of the first through hole (1122) of the upper mounting plate, and the other end of the nut (115) is free from the The lower mounting plate (111) of the trailing arm is in contact with the upper mounting plate (112) of the trailing arm, the lower mounting plate (111) of the trailing arm and the rear longitudinal beam (21) respectively in order to cooperate with the axle nut (116). ) is provided with the second through hole (1124) of the upper mounting plate, the second through hole (1112) of the lower mounting plate and the second through hole (214) of the rear longitudinal beam that overlap up and down, and one end of the axle nut (116) is connected to the The upper mounting plate (112) of the longitudinal arm on the outer periphery of the second through hole (1124) of the upper mounting plate is connected by projection welding, and the other end of the axle nut (116) is connected to the outer periphery of the through hole (1112) of the lower mounting plate. The lower mounting plate (111) of the longitudinal arm is connected by arc welding. 4. The rear suspension mounting structure (10) according to claim 3, characterized in that: said trailing arm mounting point (114) comprises four said nuts (115) and three said axle nuts (116) . 5. The rear suspension installation structure (10) according to claim 1, characterized in that: the sub-frame mounting seat (121) comprises a first sub-frame mounting seat (122) and a second sub-frame mounting seat (122) seat (123), the first sub-frame mounting seat (122) is arranged at the front part of the second sub-frame mounting seat (123), the first sub-frame mounting seat (122) and the The second auxiliary frame mounting seat (123) is matched with the auxiliary frame (202) of the multi-link rear suspension (200). 6. The rear suspension mounting structure (10) according to claim 5, characterized in that: the first sub-frame mounting seat (122) includes a middle row seat rear beam connecting plate (1221), a rear longitudinal beam Inner reinforcement plate (1222) and first shaft nut (1224), the rear cross member connecting plate (1221) of the middle row seat and the inner reinforcement plate (1222) of the rear longitudinal beam are respectively arranged on the rear longitudinal beam ( 21) and is fixedly connected with the rear longitudinal beam (21), the rear longitudinal beam inner reinforcement plate (1222) is attached to the rear longitudinal beam (21), and the rear cross member of the middle row seat The connecting plate (1221) is separated from the rear longitudinal beam (21) to form a second cavity (1223), in order to cooperate with the first axle nut (1224) on the rear cross member connecting plate (1221), The rear longitudinal beam (21), the inner reinforcing plate of the rear longitudinal beam (1222) are provided with the first through hole (1225) of the subframe overlapping up and down, the third through hole of the rear longitudinal beam (216), the auxiliary vehicle The second through hole (1226) of the frame, the first shaft nut (1224) is passed through the third through hole (216) of the rear longitudinal beam, and one end of the first shaft nut (1224) is connected to the auxiliary The middle row seat rear beam connecting plate (1221) on the periphery of the first through hole (1225) of the frame is connected by arc welding, and the other end of the first axle nut (1224) is connected to the second through hole of the subframe (1226) arc welding connection of the inner reinforcement plate (1222) of the rear longitudinal beam on the outer periphery. 7. The rear suspension installation structure (10) according to claim 5, characterized in that: the second sub-frame mounting seat (123) includes a rear longitudinal beam upper reinforcement plate (1231), a rear longitudinal beam lower reinforcement plate plate (1232), and the second axle nut (1234), the upper reinforcement plate (1231) of the rear longitudinal beam and the lower reinforcement plate (1232) of the rear longitudinal beam are all arranged under the rear longitudinal beam (21) And it is fixedly connected with the rear longitudinal beam (21), the rear longitudinal beam upper reinforcing plate (1231) is attached to the rear longitudinal beam (21), and the rear longitudinal beam lower reinforcing plate (1232) is located on the A third cavity (1233) is formed below the upper reinforcement plate (1231) of the rear longitudinal beam and spaced from the upper reinforcement plate (1231) of the rear longitudinal beam, in order to cooperate with the second shaft nut (1234) on the rear longitudinal beam The beam (21), the upper reinforcement plate of the rear longitudinal beam (1231), the lower reinforcement plate of the rear longitudinal beam (1232) are provided with the fourth through hole of the rear longitudinal beam (218) overlapping up and down, and the third the through hole (1235), the fourth through hole of the subframe (1236), the second axle nut (1234) is penetrated in the fourth through hole (218) of the rear longitudinal beam, and the second axle nut ( 1234) is arc-welded with the rear longitudinal beam upper reinforcement plate (1231) on the outer periphery of the third through hole (1235) of the sub-frame, and the other end of the second axle nut 1234 is connected with the fourth side of the sub-frame. The lower reinforcement plate (1232) of the rear longitudinal beam on the periphery of the through hole (1236) is connected by arc welding. 8. The rear suspension mounting structure (10) according to claim 1, characterized in that: the coil spring mounting seat (124) comprises a coil spring mounting plate (125) and a coil spring mounting reinforcement plate (126), the The coil spring mounting plate (125) is arranged on the rear longitudinal beam (21) close to the rear beam (22), and one side of the coil spring mounting plate (125) is overlapped with the rear beam (22), The other side of the coil spring mounting plate (125) protrudes from the outer side of the rear longitudinal beam (21) and a coil spring mounting reinforcing plate 126 is provided below to support the protruding part of the coil spring mounting plate (125), The coil spring mounting plate (125) is provided with a coil spring mounting point (127), and the coil spring mounting point (127) is threadedly connected with the coil spring (303) of the torsion beam rear suspension (300). 9. The rear suspension mounting structure (10) according to claim 1, characterized in that: the shock absorber mounting structure (13) comprises a shock absorber mounting plate (132) and a shock absorber mounting point (134) , the shock absorber mounting plate (132) is arranged under the rear wheel house (24) and welded to the rear wheel house (24), the shock absorber mounting plate (132) is provided with the Shock absorber installation point (134), described shock absorber installation point (134) and the shock absorber (204) of described multi-link rear suspension (200) or described torsion beam rear suspension (300) The shock absorber (304) is threaded. 10. An automobile body, characterized in that the automobile body comprises the rear suspension installation structure (10) according to any one of claims 1-9.