KR101043129B1 - Independence type suspension apparatus for vehicles - Google Patents

Independence type suspension apparatus for vehicles Download PDF

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Publication number
KR101043129B1
KR101043129B1 KR1020070136581A KR20070136581A KR101043129B1 KR 101043129 B1 KR101043129 B1 KR 101043129B1 KR 1020070136581 A KR1020070136581 A KR 1020070136581A KR 20070136581 A KR20070136581 A KR 20070136581A KR 101043129 B1 KR101043129 B1 KR 101043129B1
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South Korea
Prior art keywords
vehicle body
vehicle
connected
bracket
air spring
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KR1020070136581A
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Korean (ko)
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KR20090068813A (en
Inventor
강탑
심정욱
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두산디에스티주식회사
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Priority to KR1020070136581A priority Critical patent/KR101043129B1/en
Publication of KR20090068813A publication Critical patent/KR20090068813A/en
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Publication of KR101043129B1 publication Critical patent/KR101043129B1/en

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Abstract

Independent vehicle suspension 100 for a vehicle according to the present invention, the lower arm 130, the upper arm 140, the upper end is connected to the vehicle body, the air spring 160 to absorb the impact applied to the vehicle body non-linearly And, coupled to the lower portion of the air spring 160 to support the air spring 160, one side of the spring bracket 170 is formed with a bracket coupling hole 171, a linear guide 181, A sliding assembly 180 having a mounting bracket 183 supporting the vehicle body and moving up and down along the guide 181 and a slider 182 connected to the bracket coupler 171 installed at the upper end of the guide 181. And the upper end is connected to the sliding assembly 180, the lower end is characterized in that it comprises a shock absorber 150 is connected to the upper arm 140 to absorb the shock applied to the vehicle body.
Vehicle, Independent, Suspension, Upper Arm, Lower Arm, Air Spring, Slider

Description

Independent Suspension for Vehicles {INDEPENDENCE TYPE SUSPENSION APPARATUS FOR VEHICLES}

The present invention relates to an independent suspension device for a vehicle, and more particularly, improves the running performance of a vehicle by a modified link structure provided with an air spring, and is provided with a detachable assembled ball joint to damage or break a part. The present invention relates to a self-sustaining suspension for a vehicle that allows replacement only of necessary parts.

The suspension system is installed in the vehicle to absorb the impact so that the impact of the road surface is not transmitted to the vehicle body or the occupant, and the axle suspension system in which the left and right wheels are connected to one axle and the left and right wheels can be moved separately. It is divided into one independent suspension.

On the other hand, the independent suspension of the axle suspension system and the independent suspension system, as is well known McPherson strut-type suspension system and double wishbone suspension system is used.

The McPherson strut type generally consists of a strut having a shock absorber installed inside the coil spring, a ball joint, a control arm (ie, a lower control arm), and the like.

Therefore, while the structure is relatively simple and the number of parts is relatively small, the braking force and the turning centripetal force generated in the wheel are supported by only one control arm, so that the resistance to the lateral force is poor and the steering stability is poor, as well as the riding comfort. There is a problem that falls.

Accordingly, a double wishbone suspension system is used in a vehicle that requires more ride comfort and steering stability. Such a double wishbone suspension system is generally equipped with a shock absorber installed inside a coil spring, which includes a strut, a ball joint, It consists of a lower control arm and an upper control arm.

However, the double wishbone suspension as described above is similar to the McPherson strut type and uses a mechanical coil spring for shock cushioning, so that the wheel travel distance in the vertical direction is increased, and thus a sufficient shock buffering effect can be obtained. There was no problem.

In addition, since the ball joint of the lower control arm, which supports the struts and which stress is most concentrated in the stationary and running state, is not configured to be disassembled and assembled, there was a problem that only necessary parts could not be replaced in case of breakage or damage. .

The present invention has been proposed to solve the above problems, and improves the running performance of the vehicle by the modified link structure provided with the air spring, as well as having a detachable prefabricated ball joint when damage or breakage of the parts It is to provide an independent suspension for a vehicle that allows only replacement of necessary parts.

To this end, the independent suspension device for a vehicle 100 according to the present invention, one end is connected to the lower end of the hub 120 is coupled to the wheel 110, the other end is connected to the lower arm 130 and one end, The upper arm 140 is connected to the upper end of the hub 120, the other end is connected to the vehicle body, the upper end is connected to the vehicle body, the air spring 160 to absorb the impact applied to the vehicle body non-linearly; A spring bracket 170 coupled to a lower portion of the air spring 160 to support the air spring 160, and a bracket coupling hole 171 formed at one side thereof, a guide 181 having a linear shape, The mounting bracket 183 is installed at the upper end of the guide 181 to support the vehicle body, and is installed to move up and down along the guide 181, and includes a slider 182 connected to the bracket coupler 171. The sliding assembly 180 and the upper portion is the Connected to the ride assembly 180 and the lower end it is characterized in that it includes a Shock jobeo 150 to absorb the impact that is associated with the upper arm 140 is applied to the vehicle body.

At this time, the upper arm 140 includes a ball joint 122 for coupling to the upper portion of the hub 120, the ball joint 122 can be disassembled and assembled by the assembly fastener (141a) It is preferred that it is a prefabricated ball joint 122.

In addition, the guide 181 of the sliding assembly 180 is preferably a limiter 184 is fixedly coupled to limit the falling of the spring bracket 170.

According to the independent suspension device for a vehicle according to the present invention as described above, it is possible to improve the running performance of the vehicle by increasing the moving distance of the wheel by the modified link structure provided with the air spring.

In addition, the detachable prefabricated ball joint is provided so that only necessary parts can be replaced when the part is damaged or broken, thereby reducing the cost and time for replacing the part.

Hereinafter, with reference to the accompanying drawings to be described in detail for a vehicle independent suspension according to a preferred embodiment of the present invention.

1 is an exploded perspective view showing a vehicle independent suspension according to the present invention, Figure 2 is a block diagram showing a vehicle independent suspension according to the present invention.

As can be seen through Figure 1 and 2, the independent suspension device for a vehicle 100 according to the present invention is a lower control arm (hereinafter referred to as 'lower arm') 130, and the upper control arm (hereinafter, The upper arm) 140, an air spring 160, a spring bracket 170, a sliding assembly 180, and a shock absorber 150.

Here, the lower arm 130 has a first ball joint 131 is formed at one end, the first hinge 132 is formed at the other end, the first ball joint 131 is formed of the hub 120 It is coupled to the lower ball 121 formed in the lower portion rotatably, the first hinge 132 is hinged to one side of the vehicle body.

The upper arm 140 has a second ball joint 141 formed at one end thereof, a second hinge 142 formed at the other end thereof, and an upper arm coupler 143 formed therebetween. The second ball join 141 is rotatably coupled to the upper ball 122 formed at the upper end of the hub 120, the second hinge 142 is hinged to one side of the vehicle body, the upper arm coupler 143 Is coupled to the second shock absorber coupler 151.

However, the second ball joint 141 is preferably a prefabricated ball joint 141 that can be disassembled and assembled by the assembling fastener 141a, which is connected to the shock absorber 150 and is subjected to the most stressed agent. 2 is to facilitate the replacement of the second ball joint 141 using the assembly fastener (141a) when the damage or damage to the ball joint 141.

Air spring 160 has a fastener 161 is formed on the upper end, when coupled to the vehicle body through the fastener 161, not only support the load of the vehicle body, but also non-linearly impact on the vehicle body from the road surface Relax

That is, compared with the conventional coil spring, even if an irregular impact is applied from the road surface, it is possible to stably absorb the impact at all times.

However, the air spring 160 is generally composed of a positive chamber (not shown), a negative chamber (not shown), a spring (not shown), and the like, but the air spring 160 itself is a known technique. Therefore, detailed description thereof will be omitted below.

The spring bracket 170 has a shape capable of moving in the up and down direction in the state in which the air spring 160 is inserted therein, and a bracket coupler 171 is formed at one side thereof. Therefore, the air spring 160 is supported so as not to be shaken while being connected to the slider coupler 182a of the slider assembly 180 through the bracket coupler 170.

The sliding assembly 180 includes a linear guide 181, a mounting bracket 183 provided at the upper end of the guide 181 to be coupled to the vehicle body, and a slider 182 installed to move up and down along the guide 181. In this case, the slider 182 includes a slider coupler 182a coupled to the bracket coupler 171 of the spring bracket 170.

Therefore, when the bracket coupler 170 is coupled to the slider coupler 182a, the spring bracket 170 can move along the up-down direction of the guide 181 together with the slider 182, and the conventional shock absorber Compared to the coil spring structure of the structure inserted therein, it is possible to increase the vertical movement distance of the wheel 110 by the movement distance.

Furthermore, it is preferable that a limiter 184 is fixedly coupled to the lower portion of the guide 181 to limit the lowering of the slider 182. Such a limiter 184 has a spring bracket even when the impact from the road surface is abnormally large. 170 can be excessively lowered to prevent contact with adjacent components.

On the other hand, the shock absorber 150 is to mitigate the impact applied to the vehicle body, including a cylinder (not shown), etc., as is known in the interior, the first and second shock absorber coupler 151 at the upper end and the lower end, respectively , 152 is formed.

The first shock absorber coupler 151 is coupled to the lower portion of the mounting bracket 183 of the sliding assembly 180, and the second shock absorber coupler 152 is the upper arm coupler 143 formed on the upper arm 140. Coupled to, it is possible to mitigate the impact applied to the vehicle body through the mounting bracket (183).

Hereinafter, with reference to the accompanying drawings to describe the operation of the vehicle independent suspension according to the present invention.

When the shock is transmitted from the road surface while driving the vehicle, the air spring 160 supporting the vehicle body moves in a downward direction to which the spring bracket 170 is coupled while absorbing the shock nonlinearly.

When the spring spring 170 is pushed as the air spring 160 moves downward while absorbing the shock, the spring bracket 170 coupled with the slider 182 moves downward along the guide 181. do.

At this time, the limiter 184 for restricting the lowering of the slider 182 is fixedly coupled to the lower portion of the guide 181 to prevent the spring bracket 170 from excessively falling even when the impact is abnormally large.

As described above, the shock applied to the vehicle by the air spring 160 is absorbed and the shock applied to the vehicle is also absorbed by the shock absorber 150 connecting between the vehicle body and the upper arm 140. The shock absorber 150 including the back moves downward with the sliding assembly 180 while absorbing the impact, and moves the upper arm 140 connected to the hub 120 downward by the prefabricated ball joint 141. Exercise

Therefore, the independent suspension device for a vehicle 100 according to the present invention, when the shock is transmitted from the road surface, the shock absorbed by the air spring 160, the shock absorption by the lowering of the spring bracket 170, the cylinder of the shock absorber 150 Shock absorption by the shock absorber and the shock absorber due to the lowering of the sliding assembly 180 and the upper arm 140 is lowered at the same time occurs to absorb more and more shock and improve the running characteristics compared to the conventional.

On the other hand, in the process of absorbing the impact as described above, if the breakage occurs in the prefabricated ball joint 141 of the upper arm 140, the broken prefabricated ball joint 141 is disassembled and replaced. That is, instead of replacing the entire upper arm 140 as in the prior art, only the broken prefabricated ball joint 141 is replaced.

In the above, the specific Example of this invention was described above. However, the spirit and scope of the present invention is not limited to these specific embodiments, and various modifications and variations can be made without departing from the spirit of the present invention. Those who have it will understand.

Therefore, since the embodiments described above are provided to completely inform the scope of the invention to those skilled in the art, it should be understood that they are exemplary in all respects and not limited. The invention is only defined by the scope of the claims.

The independent suspension for a vehicle according to the present invention enables to improve the running performance of the vehicle as the wheel travel distance is increased by the modified link structure provided with the air spring.

In addition, the detachable prefabricated ball joint is provided so that only necessary parts can be replaced when the part is damaged or broken, thereby reducing the cost and time of replacing parts.

1 is an exploded perspective view showing a vehicle independent suspension according to the present invention.

Figure 2 is a block diagram showing an independent time suspension device for a vehicle according to the present invention.

<Explanation of symbols for the main parts of the drawings>

110: wheel 120: hub

130: lower arm 140: lower arm

141: prefabricated ball joint 150: shock absorber

160: air spring 170: spring bracket

180: sliding assembly 182: slider

184: limiter

Claims (3)

  1. One end is connected to the lower end of the hub 120 and the wheel 110, the other end is connected to the lower arm 130 and the vehicle body;
    An upper arm 140 having one end connected to an upper end of the hub 120 and the other end connected to a vehicle body;
    An air spring (160) having an upper end connected to the vehicle body and non-linearly absorbing an impact applied to the vehicle body;
    A spring bracket 170 coupled to a lower portion of the air spring 160 to support the air spring 160 and having a bracket coupler 171 formed at one side thereof;
    A linear guide 181 and a mounting bracket 183 installed at the upper end of the guide 181 to support the vehicle body and installed to move up and down along the guide 181 and the bracket coupler 171 A sliding assembly 180 having a slider 182 connected thereto; And
    A shock absorber 150 having an upper end connected to the sliding assembly 180 and a lower end connected to the upper arm 140 to absorb a shock applied to the vehicle body;
    Independent suspension device for a vehicle, characterized in that it comprises a (100).
  2. The method of claim 1,
    The upper arm 140 includes a ball joint 122 for coupling to the upper portion of the hub 120, the ball joint 122 is a prefabricated ball joint that can be disassembled and assembled by the assembly fastener (141a) Independent suspension device 100 for a vehicle, characterized in that (122).
  3. The method of claim 1,
    The guide 181 of the sliding assembly 180, the limiter 184 for limiting the lowering of the spring bracket 170, the independent suspension for a vehicle, characterized in that the coupling.
KR1020070136581A 2007-12-24 2007-12-24 Independence type suspension apparatus for vehicles KR101043129B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070136581A KR101043129B1 (en) 2007-12-24 2007-12-24 Independence type suspension apparatus for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070136581A KR101043129B1 (en) 2007-12-24 2007-12-24 Independence type suspension apparatus for vehicles

Publications (2)

Publication Number Publication Date
KR20090068813A KR20090068813A (en) 2009-06-29
KR101043129B1 true KR101043129B1 (en) 2011-06-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06171332A (en) * 1992-12-11 1994-06-21 Toyota Motor Corp Fluid spring device for suspension
JPH0872517A (en) * 1994-09-05 1996-03-19 Isuzu Motors Ltd suspension
JPH11235909A (en) 1998-02-19 1999-08-31 Hino Motors Ltd Independent suspension for vehicle
US20060116626A1 (en) * 2002-03-07 2006-06-01 Gregory Smedley Fluid infusion methods for glaucoma treatment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06171332A (en) * 1992-12-11 1994-06-21 Toyota Motor Corp Fluid spring device for suspension
JPH0872517A (en) * 1994-09-05 1996-03-19 Isuzu Motors Ltd suspension
JPH11235909A (en) 1998-02-19 1999-08-31 Hino Motors Ltd Independent suspension for vehicle
US20060116626A1 (en) * 2002-03-07 2006-06-01 Gregory Smedley Fluid infusion methods for glaucoma treatment

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