CN217944891U - Suspension device of vehicle and vehicle - Google Patents

Abstract

The utility model discloses a suspension device and vehicle of vehicle, the suspension device of vehicle includes: a housing adapted to be mounted to the fixed end; the main spring body is arranged in the shell and is fixed with the shell; the inner core is fixedly connected with the main spring body and extends out of the shell; and the supporting arm is connected with the inner core and is suitable for being connected with a power assembly of the vehicle. From this, through setting up the main spring body, compare with prior art, main spring body volume increases, and the effect of damping can be realized to the main spring body, and suspension device has better vibration isolation effect simultaneously, reduces to transmit the vibration to the automobile body on, improves the driving travelling comfort of vehicle.

Description

Suspension device of vehicle and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle and specifically relates to a suspension of vehicle and have suspension's of this vehicle is related to.

Background

In the related art, the main spring body of the existing suspension device has a small volume, so that the existing suspension device has poor vibration damping performance and poor vibration isolation performance, and the main spring body is easy to collide with or rub against the housing to generate abnormal sound and generate certain noise in the working state of the suspension device, thereby reducing the use experience of a user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a suspension device of vehicle can promote suspension device's damping effect, and suspension device has better vibration isolation effect simultaneously, improves the driving comfort of vehicle.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses a suspension device of vehicle, include:

a housing adapted to be mounted to the fixed end;

the main spring body is arranged in the shell and is fixed with the shell;

the inner core is fixedly connected with the main spring body and extends out of the shell;

and the bracket arm is connected with the inner core and is suitable for being connected with a power assembly of the vehicle.

According to the utility model discloses a suspension device of vehicle, through setting up the main spring body, compare with prior art, main spring body volume increases, and the main spring body has better structural rigidity to can absorb the produced vibration of power assembly through elastic deformation, realize that suspension device has the effect of better damping, suspension device can vibrate isolation effectively simultaneously, reduces and transmits the vibration to the automobile body on, thereby improves the driving comfort of vehicle effectively.

In some embodiments of the present invention, the end of the main spring body away from the inner core is formed with a first groove recessed toward the inside of the inner core.

In some embodiments of the present invention, the end of the main spring body away from the inner core is further formed with a second groove recessed into the inner core, and the second groove is located outside the first groove.

In some embodiments of the present invention, the second groove is a plurality of grooves spaced apart in a circumferential direction of the first groove.

In some embodiments of the present invention, the end of the main spring body near the inner core is formed with a mounting groove, and the inner core is mounted in the mounting groove.

In some embodiments of the present invention, the outer peripheral wall of the main spring body is provided with an annular boss, and the annular boss surrounds the main spring body.

In some embodiments of the present invention, the outer peripheral wall of the inner core is provided with one of an anti-rotation boss and an anti-rotation groove, the bracket arm is provided with the anti-rotation boss and the other of the anti-rotation grooves, the anti-rotation boss is installed in the anti-rotation groove to limit the bracket arm relative to the inner core.

In some embodiments of the present invention, the suspension device of the vehicle further comprises: the limiting portion is arranged outside the shell and located far away from the shell, the limiting portion is close to the end portion of the shell and provided with a third groove facing the limiting portion and used for buffering, and the third groove is sunken in the limiting portion.

In some embodiments of the present invention, the end of the limiting portion away from the housing has a limiting protrusion for supporting the fixing end.

According to the utility model discloses a vehicle, including foretell suspension device

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a suspension according to an embodiment of the present invention mounted to a fixed end;

fig. 2 is a schematic perspective view of a suspension according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a bracket according to an embodiment of the present invention;

figure 4 is a schematic perspective view of an inner core according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a main spring body according to an embodiment of the present invention;

fig. 6 is another perspective view of a main spring body according to an embodiment of the present invention;

fig. 7 is an assembly schematic of the outer shell, main spring body and inner core according to an embodiment of the present invention;

FIG. 8 isbase:Sub>A cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is an enlarged view at B in FIG. 8;

fig. 10 is a schematic perspective view of a seal assembly according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a first housing according to an embodiment of the present invention;

fig. 12 is a perspective schematic view of a second housing according to an embodiment of the present invention.

Reference numerals are as follows:

a suspension device 100; a fixed end 200;

a housing 10;

a first housing 11; a first mounting portion 111; a first stop surface 112; a first through-hole 113;

a second housing 12; a second mounting portion 121; a second stop surface 122; a second through hole 123;

a mounting cavity 13; a fitting hole 14;

a main spring body 20; a first groove 21; a second groove 22; a mounting groove 23;

a first limit boss 24; a second limit boss 25; an annular boss 26;

an inner core 30; the first mounting hole 31; an anti-rotation boss 32;

a bracket arm 40; the second mounting hole 41; an anti-rotation groove 42;

a seal assembly 50; a seal ring 51; a sealing plate 52;

a fastener 60;

a stopper portion 70; a third groove 71; a limit projection 72;

a first cavity 80; a second cavity 90.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The suspension device 100 according to the embodiment of the present invention is described below with reference to fig. 1 to 12, and the suspension device 100 may be applied to a vehicle, but the present invention is not limited thereto, and the suspension device 100 may be applied to other devices requiring the suspension device 100, and the application is described by taking the application of the suspension device 100 to a vehicle as an example.

As shown in fig. 1 and 2, a suspension device 100 according to an embodiment of the present invention includes: shell 10, main spring body 20, inner core 30 and bracket 40. The case 10 is adapted to be installed at a fixed end 200 (the fixed end 200 may be fixedly connected to a subframe of a vehicle), the fixed end 200 is a plate-shaped structure, and by setting the fixed end 200, an effect of installing and fixing the suspension device 100 at the subframe of the vehicle through the fixed end 200 is achieved, the main spring body 20 is an elastically deformable structure, the main spring body 20 may be elastic rubber, the main spring body 20 is disposed in the case 10 and fixed to the case 10, and under an external force, the main spring body 20 elastically deforms in the case 10 to absorb energy, thereby achieving a vibration damping effect, the inner core 30 is a columnar structure, the inner core 30 is fixedly connected to the main spring body 20 and extends out of the case 10, the inner core 30 is connected between the main spring body 20 and the trailing arm 40, the inner core 30 may be made of a metal material, thereby ensuring structural strength of the inner core 30, ensuring that the inner core 30 is stably connected between the main spring body 20 and the trailing arm 40, the trailing arm 40 is connected to the inner core 30 and adapted to be connected to a power assembly of the vehicle, thereby connecting the power assembly of the vehicle to the suspension device 100, achieving a vibration damping effect, and improving driving comfort of the vehicle.

Specifically, as shown in fig. 7, the housing 10 has a first housing 11 and a second housing 12, as shown in fig. 8, when the suspension device 100 is placed in the position direction in fig. 8, the first housing 11 is located above the second housing 12, the first housing 11 and the second housing 12 together define a mounting cavity 13, the main spring body 20 is located in the mounting cavity 13, further, a first mounting portion 111 is located at an end of the first housing 11 close to the second housing 12, a second mounting portion 121 is located at an end of the second housing 12 close to the first housing 11, the first mounting portion 111 is circumferentially located along an edge of the end of the first housing 11, and the second mounting portion 121 is circumferentially located along an edge of the end of the second housing 12, as shown in fig. 2, the first mounting portion 111 and the second mounting portion 121 are both of a plate-shaped structure, the first mounting portion 111 is adapted to be fitted with the second mounting portion 121, and the first housing 11 and the second housing 12 are fixedly fitted to form the housing 10 of the suspension device 100. Further, the main spring body 20 can be mounted and fixed to the second housing 12 in a vulcanization manner, so that the main spring body 20 is stably mounted in the housing 10, and the inner core 30 can also be mounted and fixed to the main spring body 20 in a vulcanization manner, so that the inner core 30 is stably mounted in the main spring body 20, and the inner core 30 is prevented from being separated from the main spring body 20, thereby effectively ensuring the working stability of the suspension device 100. As shown in fig. 2, when the suspension device 100 is placed in the position direction in fig. 2, in the height direction of the vehicle, the bracket arm 40 is located above the inner core 30, the inner core 30 is connected between the main spring body 20 and the bracket arm 40, the bracket arm 40 is connected with the power assembly of the vehicle, the vibration generated by the power assembly is transmitted to the inner core 30 through the bracket arm 40, the inner core 30 is further transmitted to the main spring body 20, and the main spring body 20 absorbs the vibration generated by the power assembly through elastic deformation, so that the suspension device 100 has a vibration damping effect, a vehicle provided with the suspension device 100 has a good vibration damping effect, and the use feeling of a user is improved.

Further, as shown in fig. 11 and 12, each of the first mounting portion 111 and the second mounting portion 121 is provided with a plurality of mounting holes 14, the plurality of mounting holes 14 on the first mounting portion 111 are arranged on the first mounting portion 111 at intervals, the plurality of mounting holes 14 on the second mounting portion 121 are arranged on the second mounting portion 121 at intervals, the plurality of mounting holes 14 on the first mounting portion 111 and the plurality of mounting holes 14 on the second mounting portion 121 are in one-to-one correspondence, and a bolt, a rivet or the like is adapted to pass through the mounting holes 14 on the first mounting portion 111 and the mounting holes 14 on the second mounting portion 121, so that the first housing 11 and the second housing 12 can be fixedly mounted, and the housing 10 can be fixedly mounted on the fixing end 200 by the bolt or the like. By providing the fitting hole 14, an effect that the first housing 11 and the second housing 12 can be disassembled and assembled is achieved, thereby facilitating the overhaul and maintenance of the suspension device 100.

From this, through setting up main spring body 20, main spring body 20 absorbs the produced vibration of power assembly through elastic deformation to realize that suspension device 100 has the effect of damping, reach the vehicle that sets up this suspension device 100 and have better damping effect, improve user's use impression. In addition, compared with the prior art, the volume of the main spring body 20 is increased, and the vibration damping and isolating effects of the conventional suspension device 100 can be improved.

In some embodiments of the present invention, as shown in fig. 6 and 8, the end of the main spring body 20 away from the inner core 30 is formed with a first groove 21 recessed toward the inside of the inner core 30. Further, as shown in fig. 8, when the suspension device 100 is placed in the position direction in fig. 8, the first groove 21 is recessed from the lower end of the main spring body 20 toward the upper end of the main spring body 20 in the height direction of the suspension device 100 (i.e., the up-down direction shown in fig. 8), and by providing the first groove 21, the structural rigidity of the main spring body 20 can be reduced, so that the main spring body 20 can absorb energy better when the suspension device 100 is stressed, thereby improving the cushioning and energy releasing effects of the main spring body 20. Further, the power assembly of the vehicle generates a certain vibration in a working state, and the vibration generated by the power assembly is transmitted to the main spring body 20 through the inner core 30, so that the main spring body 20 is subjected to a certain external force, and under the external force, the main spring body 20 performs buffering and energy release through elastic deformation, thereby achieving the effect of vibration reduction.

In some embodiments of the present invention, as shown in fig. 6 and 8, the end of the main spring body 20 far away from the inner core 30 is further formed with a plurality of second grooves 22 recessed toward the inner core 30, the second grooves 22 are located outside the first grooves 21, and the plurality of second grooves 22 are spaced apart along the circumferential direction of the first grooves 21. Further, as shown in fig. 8, when the suspension device 100 is placed in the position direction in fig. 8, in the height direction of the suspension device 100 (i.e., the up-down direction shown in fig. 8), the second groove 22 is recessed from the lower end of the main spring body 20 toward the upper end of the main spring body 20, the plurality of second grooves 22 are provided around the first groove 21 along the circumferential direction of the first groove 21, and by providing the plurality of second grooves 22, the structural rigidity of the main spring body 20 is further reduced, so that the main spring body 20 has a better deformation effect, and thus the main spring body 20 performs damping and energy release more effectively.

In some embodiments of the present invention, as shown in fig. 5 and 8, the end of the main spring body 20 close to the inner core 30 is formed with a mounting groove 23, and the inner core 30 is mounted in the mounting groove 23. Further, as shown in fig. 8, when the suspension device 100 is placed in the position direction of fig. 8, the size of the transverse section of the mounting groove 23 is matched with the size of the transverse section of the inner core 30, thereby ensuring that the inner core 30 can be stably mounted in the mounting groove 23, avoiding the inner core 30 from deflecting with the main spring body 20, avoiding the inner core 30 from being separated from the main spring body 20, ensuring that the inner core 30 can effectively transmit the vibration generated by the power assembly to the main spring body 20, and effectively performing buffering and energy release through the elastic deformation of the main spring body 20, thereby realizing that the suspension device 100 has a better vibration reduction effect.

In some embodiments of the present invention, as shown in fig. 5, 8 and 11, when the suspension device 100 is placed in the position direction of fig. 8, the inner surface of the first housing 11 facing the second housing 12 is provided with a first limiting surface 112, the end of the main spring body 20 near the inner core 30 is provided with a first limiting protrusion 24, and further, as shown in fig. 5, the number of the first limiting protrusions 24 is plural, taking the direction of placing the main spring body 20 in fig. 5 as an example, a plurality of first spacing bosss 24 interval sets up the upper surface at main spring body 20, and a plurality of first spacing bosss 24 set up around mounting groove 23, through setting up a plurality of first spacing bosss 24, when making first spacing boss 24 and first spacing surperficial 112 contact laminating, can effectively reduce the area of contact of main spring body 20 and first shell 11 to produce the abnormal sound because of the friction when avoiding main spring body 20 and first shell 11 contact laminating. Further, the first housing 11 has a first through hole 113, the first limiting surface 112 is disposed around the first through hole 113, and the inner core 30 is adapted to pass through the first through hole 113, so that the inner core 30 can be mounted and fixed to the main spring body 20 through the first housing 11.

In some embodiments of the present invention, as shown in fig. 6, 8 and 12, when the suspension device 100 is placed in the position direction in fig. 8, the second housing 12 is provided with a second limiting surface 122 toward the inner surface of the first housing 11, the end of the main spring body 20 away from the inner core 30 is provided with a second limiting boss 25, further, as shown in fig. 6, the second limiting boss 25 is a circular ring structure, the second limiting boss 25 is disposed around the second groove 22, the second limiting boss 25 is suitable for being matched with the second limiting surface 122, the main spring body 20 can be mounted on the second housing 12 in a mounting and fixing manner by vulcanization of the main spring body 20, and by providing the second limiting boss 25, the contact area between the main spring body 20 and the second housing 12 can be increased, it is ensured that the second housing 12 effectively supports the main spring body 20, it is ensured that the main spring body 20 can absorb the vibration generated by the power assembly through elastic deformation, and the vibration reduction effect of the suspension device 100 is improved.

In some embodiments of the present invention, as shown in fig. 12, the second housing 12 is provided with a second through hole 123, and the second through hole 123 is suitable for providing the sealing assembly 50. Further, the seal assembly 50 includes: as shown in fig. 8 and 9, the packing 51 and the seal plate 52 are interposed between the second through hole 123 and the seal plate 52, so that the second through hole 123 and the seal plate 52 can be securely attached to each other, gas can be prevented from flowing through a gap between the second through hole 123 and the seal plate 52, and the sealing property of the second housing 12 can be improved.

Further, as shown in fig. 8 and 9, the main spring body 20 is fixedly mounted on the second housing 12, the second limit boss 25 of the main spring body 20 is in contact fit with the second limit surface 122, the second through hole 123 is sealed by the sealing component 50, so that a first cavity 80 is formed between the main spring body 20 and the sealing component 50, the first cavity 80 has a vibration isolation function, and thus, by arranging the first cavity 80, the suspension device 100 can achieve a vibration isolation effect in the working process, and vibration is prevented from being transmitted to the fixed end 200.

In some embodiments of the present invention, as shown in fig. 4, the inner core 30 has a first mounting hole 31, and as shown in fig. 3, the bracket arm 40 has a second mounting hole 41 corresponding to the first mounting hole 31, and the bracket arm 40 and the inner core 30 are fixed by a fastening member 60 passing through the first mounting hole 31 and the second mounting hole 41. Further, as shown in fig. 2, in the height direction of the suspension 100 (i.e., the up-down direction shown in fig. 2), the upper end of the inner core 30 is provided with a first mounting hole 31, the first mounting hole 31 extends from the upper end of the inner core 30 toward the lower end, and a threaded structure is provided in the first mounting hole 31, the threaded structure being adapted to be in threaded fit connection with the fastening member 60, so that the effect of fixedly fitting the inner core 30 and the bracket arm 40 through the fastening member 60 is achieved. Further, as shown in fig. 3, the second mounting hole 41 is a through hole formed in the bracket arm 40, when the bracket arm 40 is engaged with the inner core 30, the second mounting hole 41 corresponds to the first mounting hole 31, and the fastener 60 is adapted to penetrate through the second mounting hole 41 and extend into the first mounting hole 31, so that the inner core 30 is fixedly engaged with the bracket arm 40. The inner core 30 and the support arm 40 are fixedly assembled through the fastener 60, so that higher structural stability is achieved between the inner core 30 and the support arm 40, the inner core 30 and the support arm 40 are prevented from being separated from each other, vibration generated by a power assembly can be effectively transmitted through the inner core 30 and the support arm 40, buffering and energy release are effectively performed through elastic deformation of the main spring body 20, and the suspension device 100 has better vibration damping and vibration isolation effects. In addition, the inner core 30 and the bracket arm 40 are fixedly assembled by the fastener 60, so that the effect of disassembly and assembly can be realized between the inner core 30 and the bracket arm 40, the suspension device 100 can be conveniently adjusted or disassembled after sale, the whole suspension device 100 is prevented from being disassembled and replaced, the number of parts for matching adjustment and disassembly after sale is reduced, and the convenience is improved.

In some embodiments of the present invention, as shown in fig. 2-4, the outer peripheral wall of the inner core 30 is provided with one of the rotation-preventing boss 32 and the rotation-preventing groove 42, and the bracket arm 40 is provided with the other of the rotation-preventing boss 32 and the rotation-preventing groove 42, it can also be understood that the outer peripheral wall of the inner core 30 is provided with the rotation-preventing boss 32, and the bracket arm 40 is provided with the rotation-preventing groove 42, or the outer peripheral wall of the inner core 30 is provided with the rotation-preventing groove 42, and the bracket arm 40 is provided with the rotation-preventing boss 32, and the rotation-preventing boss 32 is installed in the rotation-preventing groove 42 to limit the rotation of the bracket arm 40 relative to the inner core 30. Further, as shown in fig. 2 to 4, in the present application, it is described by taking an example that the outer peripheral wall of the inner core 30 is provided with an anti-rotation boss 32, and the bracket arm 40 is provided with an anti-rotation groove 42, when the inner core 30 and the bracket arm 40 are fixed and fixed, the anti-rotation boss 32 extends into the anti-rotation groove 42 to realize fixed fit, and the anti-rotation boss 32 and the anti-rotation groove 42 are provided to limit the inner core 30 from rotating relative to the bracket arm 40, so that the inner core 30 and the bracket arm 40 are stably connected, and the bracket arm 40 is prevented from rotating relative to the inner core 30 in the process of fixing and assembling the inner core 30 and the bracket arm 40 by the fastener 60. Therefore, the anti-rotation boss 32 and the anti-rotation groove 42 are arranged, so that the stable connection between the inner core 30 and the supporting arm 40 is effectively ensured, the failure of vibration isolation and anti-torsion limiting performances of the main spring body 20 is avoided, the working reliability of the suspension device 100 is ensured, and the vibration reduction effect of the suspension device 100 is improved.

In some embodiments of the present invention, as shown in fig. 2, the suspension device 100 further comprises: and the limiting part 70 is arranged outside the shell 10 and located at one end of the shell 10 far away from the inner core 30, and the end part of the limiting part 70 close to the shell 10 is provided with a third groove 71 which is recessed towards the limiting part 70 and used for buffering. Further, as shown in fig. 8, when the suspension apparatus 100 is placed in the position direction in fig. 8, the position-limiting portion 70 may be fixed to the second housing 12 by vulcanization, so that the position-limiting portion 70 is stably fixed to the lower surface of the second housing 12, and the position-limiting portion 70 is recessed downward in the height direction of the suspension apparatus 100 (i.e., the up-down direction shown in fig. 8) to form a third groove 71. Further, as shown in fig. 8 and 9, when the limiting portion 70 is mounted on the second housing 12, the second cavity 90 is formed between the third groove 71 and the sealing assembly 50, and the second cavity 90 has a vibration isolation effect, so that the second cavity 90 is provided, which can achieve an effect of secondary vibration isolation of the suspension device 100, further improve the vibration isolation performance of the suspension device 100, and effectively avoid transmitting vibration to the fixing end 200.

In some embodiments of the present invention, as shown in fig. 8 and 9, the end of the position-limiting portion 70 far from the housing 10 has a position-limiting protrusion 72 for supporting on the fixing end (200). Further, as shown in fig. 1 and 2, when the suspension device 100 is placed in the position direction in fig. 2, the limiting protrusions 72 are disposed on the lower surface of the limiting portion 70, the limiting protrusions 72 are plural, the plural limiting protrusions 72 are disposed around the edge of the limiting portion 70 at intervals, and by disposing the limiting protrusions 72, when the suspension device 100 is forced to make the limiting portion 70 contact and attach with the fixed end 200, the contact area between the limiting portion 70 and the fixed end 200 can be effectively reduced, thereby avoiding abnormal noise caused by friction when the limiting portion 70 contacts and attaches with the fixed end 200, and further realizing the mute effect.

In some embodiments of the present invention, as shown in fig. 4 and 5, the outer peripheral wall of the main spring body 20 is provided with an annular boss 26, the annular boss 26 is disposed around the main spring body 20, the annular boss 26 is plural, and the plural annular bosses 26 are disposed at intervals. Further, as shown in fig. 5, the main spring body 20 is disposed in the housing 10, and the annular boss 26 is disposed on the outer peripheral wall of the main spring body 20, so that when the outer peripheral wall of the main spring body 20 contacts and is attached to the inner side wall of the housing 10, the contact area between the main spring body 20 and the housing 10 can be effectively reduced, thereby preventing abnormal noise caused by friction when the main spring body 20 contacts and is attached to the housing 10, and further achieving the effect of muting.

According to the utility model discloses vehicle, vehicle include the suspension 100 of above-mentioned embodiment, from this, through the vehicle that sets up suspension 100, make the vehicle have better vibration isolation effect, improve the driving comfort of vehicle, and then promote user's use impression.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A suspension arrangement (100) for application to a vehicle, comprising:

a housing (10), the housing (10) being mounted to the fixed end (200);

the main spring body (20) is arranged in the shell (10) and fixed with the shell (10);

the inner core (30) is fixedly connected with the main spring body (20) and extends out of the outer shell (10);

a bracket arm (40), the bracket arm (40) being connected with the inner core (30) and adapted to be connected with a powertrain of the vehicle.

2. The suspension device (100) applied to a vehicle according to claim 1, wherein an end of the main spring body (20) remote from the inner core (30) is formed with a first groove (21) recessed toward the inner core (30).

3. The suspension device (100) applied to a vehicle according to claim 2, wherein the end of the main spring body (20) remote from the inner core (30) is further formed with a second groove (22) recessed toward the inner core (30), the second groove (22) being located outside the first groove (21).

4. The suspension device (100) applied to a vehicle according to claim 3, wherein the second groove (22) is plural, and the plural second grooves (22) are spaced apart in a circumferential direction of the first groove (21).

5. The suspension device (100) for a vehicle according to claim 1, wherein an end of the main spring body (20) near the inner core (30) is formed with a mounting groove (23), and the inner core (30) is mounted in the mounting groove (23).

6. The suspension device (100) applied to a vehicle according to claim 1, wherein the outer peripheral wall of the main spring body (20) is provided with an annular boss (26), and the annular boss (26) is provided around the main spring body (20).

7. The suspension device (100) for vehicle application according to claim 6, wherein the outer peripheral wall of the inner core (30) is provided with one of an anti-rotation boss (32) and an anti-rotation groove (42), the bracket arm (40) is provided with the other of the anti-rotation boss (32) and the anti-rotation groove (42), and the anti-rotation boss (32) is installed in the anti-rotation groove (42) to restrict the rotation of the bracket arm (40) relative to the inner core (30).

8. The suspension device (100) applied to a vehicle according to any one of claims 1 to 5, further comprising: spacing portion (70), spacing portion (70) are located shell (10) outside just is located shell (10) is kept away from the one end of inner core (30), spacing portion (70) are close to the tip of shell (10) has towards spacing portion (70) interior sunken third recess (71) that are used for the buffering.

9. The suspension device (100) applied to a vehicle according to claim 8, wherein an end of the stopper portion (70) remote from the housing (10) has a stopper projection (72) for being supported on the fixed end (200).

10. A vehicle, characterized by comprising a suspension arrangement (100) for a vehicle according to any one of claims 1-9.

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