CN201161539Y - Twisted bar type suspension device of automobile - Google Patents
Twisted bar type suspension device of automobile Download PDFInfo
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- CN201161539Y CN201161539Y CNU200820006824XU CN200820006824U CN201161539Y CN 201161539 Y CN201161539 Y CN 201161539Y CN U200820006824X U CNU200820006824X U CN U200820006824XU CN 200820006824 U CN200820006824 U CN 200820006824U CN 201161539 Y CN201161539 Y CN 201161539Y
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- torsion bar
- backward
- bar spring
- automobile
- gear
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Abstract
The utility model relates to an automobile suspension device, in particular to a torsion bar automobile suspension device comprising a front torsion-bar spring mounted on an automobile front suspender. The torsion bar automobile suspension device is characterized that a rear torsion-bar spring is mounted on an automobile rear suspender, the front and the rear torsion-bar springs on the same side have opposite ends mutually connected by a connecting mechanism, and the opposite ends are connected with an automobile frame through a positioning device. As the connecting mechanism is arranged between the front and the rear torsion-bar springs arranged on the same side, the interaction relation between the front and the rear torsion-bar springs arranged on the same side is established, thereby effectively improving the vibration condition on uneven pavements during the driving process of the automobile, and simultaneously the torsion force can not be applied to the automobile frame and the body frame, thereby prolonging the service life of the automobile.
Description
Technical field
The utility model relates to a kind of automobile suspension arrangement, particularly a kind of torsion bar type automobile suspension arrangement.
Background technology
The suspension of automobile mainly contains two kinds at present: a kind of not merely vertical hanging, another kind of stand alone type hangs.The axletree of independent suspension is divided into two sections, every wheel is installed in below the vehicle frame independently with coil spring, like this when a sidecar wheel is beated, the another side wheel is not involved, the vibrations of vehicle body greatly reduce, car comfort also is able to very big lifting, and especially when the high speed road traveling, it also can improve the riding stability of automobile.But, this suspension construction is complicated, and bearing capacity is little, also can relatedly make drive system, the steering swivel system of the automobile complexity that becomes.The front and rear suspension of present most of cars has all adopted the form of independent suspension, and has become a kind of development tendency.
The structure branch of independent suspension has candle formula, MacPherson type, link-type etc. multiple, and the metal spring in these independent suspensions has three kinds of forms, is respectively coil spring, steel spring and torsion bar spring.Coil spring is similar to helix line and gains the name, have the little and few advantage that occupies of weight, when the road surface was transmitted the impulsive force of wheel, coil spring produced distortion, the kinetic energy that absorbs wheel is converted to helical spring potential energy, thereby has relaxed the influence of ground-surface impact to vehicle body.The middle part of steel spring is fixed on the vehicle bridge by U-bolt, the grasswort at two ends is hinged on pin on the support of vehicle frame, by steel spring vehicle bridge and body contact is got up, when the road surface is transmitted the impulsive force of wheel, steel plate produces distortion, plays the effect of buffering, vibration damping.Torsion bar spring one end is captiveed joint with vehicle frame, and the other end is connected with irs control arm, and the torsional deflection by torsion bar reaches buffer action.From truncation surface, torsion bar spring has circle, tubular, rectangle, lamination and compound type etc.Using is at most circular torsion bar, and it is elongated rod shape, and spline, hexagon etc. can be processed in two ends, so that an end is fixed on vehicle frame, and the other end is fixed on the wheel by Control arm.Torsion bar is made with alloy spring steel, has higher elasticity, but in fact not only torsional deflection but also can restore plays the identical effect of coil spring, and only manifestation is different.During automotive operation, wheel be subjected to ground concavo-convex influence up-and-down movement, Control arm also can rise thereupon or descend.Control arm rises when wheel makes progress, and makes torsion bar be forced to torsional deflection, absorbs impact energy.When impulsive force weakened, the natural reducing power of bar can return to its original position rapidly, makes wheel get back to ground, avoids vehicle frame to be jolted.
Because of torsion bar spring all is subjected to friction stress, make the coil spring of identical weight the energy of weight steel plate more than 2 times such as can absorb.The occupation mode of torsion bar spring on automobile is divided into two kinds of vertical device and lateral means, and wherein the use with lateral means is a majority.Vertically the mode of device is to substitute springs and the coil spring that takes up space with torsion bar, for example in the front suspension of Toyota Hiace, Zace, Surf vehicle, is exactly with the two arm-type Suspension Systems of A of torsion bar spring collocation.The torsion bar of lateral means is to be used for substituting the coil spring except the minority vehicle, and the torsion bar of other lateral means all is be used as the balance left and right wheels stressed, as the usefulness of anti-dumping trammel beam.
In the present automobile suspension arrangement, torsion bar spring generally is installed on the front-end equipment of automobile, and all be independently between the elasticity original paper of front and back, be independent of each other, without any contact, if before the automobile, the direction of vibration of trailing wheel is opposite, and then the impact that is subjected to of automobile can strengthen, the motion that falls after rising before vehicle body can produce, in addition, when four wheels during not on same plane or have a pair of horn ring stressed when big, then the Frame and Body skeleton will be subjected to certain torsion, therefore, problems such as existing suspended structure exists, and elastic element is fragile, and the Frame and Body skeleton is yielding, simultaneously, also can cause the damage of goods or make the occupant feel uncomfortable.
Summary of the invention
The purpose of this utility model overcomes the defective that existing automobile suspension arrangement exists, and provide a kind of and make the torsion bar spring in the forward and backward suspension gear of automobile have the good whole elastic performance, and the tangible torsion bar type automobile suspension arrangement of damping effect.
The technical solution of the utility model is: a kind of torsion bar type automobile suspension arrangement, comprise and be installed in the preceding torsion bar spring that front overhang hangs up, it is characterized in that rear overhang hang up be equipped with the back torsion bar spring, the opposite end of forward and backward two torsion bar spring in the same side links to each other mutually by bindiny mechanism, and links to each other with vehicle frame by registration device.
Above-mentioned bindiny mechanism is for being fixedly mounted on the gear of forward and backward torsion bar spring opposite end respectively, and the gear on forward and backward two torsion bar spring of automobile the same side is meshing with each other.
Two ends that reset torsion bar spring are captiveed joint with vehicle frame, and the other end is installed with reseting gear, a gear mesh on forward and backward two torsion bar spring in this reseting gear and the same side in the two mutual gears in meshs.
When the forward and backward suspension of above-mentioned automobile is two cross arm structure, forward and backward torsion bar spring one end is installed on going up of forward and backward irs control arm or the lower end transverse arm, forward and backward two ends that reset torsion bar spring link to each other with the following of forward and backward irs control arm or upper end transverse arm respectively, and forward and backward two other end and the vehicle frames that reset torsion bar spring are connected.
Above-mentioned registration device is a gear case, and pitch wheel is installed in the gear case, and gear case and vehicle frame are connected.
Above-mentioned bindiny mechanism is the differential attachment that is installed between forward and backward two torsion bar spring in automobile the same side, and registration device is the housing of differential attachment, and this housing and vehicle frame are connected.
Two relative in above-mentioned differential attachment conical gears are connected with forward and backward two torsion bar spring respectively, and a conical gear adjacent with above-mentioned two conical gears is connected with an end of the torsion bar spring that resets, and the other end and the vehicle frame of the torsion bar spring that resets are connected.
When the forward and backward suspension of above-mentioned automobile is two cross arm structure, forward and backward torsion bar spring one end is installed on going up of forward and backward irs control arm or the lower end transverse arm, the other end respectively with differential attachment in relative two conical gears be connected, forward and backward two ends that reset torsion bar spring link to each other with the following of forward and backward irs control arm or upper end transverse arm respectively, and the other end is connected with vehicle frame respectively.
Suspension gear of the present utility model, owing to will between the forward and backward torsion bar spring of homonymy bindiny mechanism be set, both gear had been installed in two ends of torsion bar spring, so just make between the forward and backward torsion bar spring of homonymy and can produce interlock, can effectively improve in the vehicle traveling process vibration situation on uneven road surface.When if front-wheel is subjected to upwards power, by the irs control arm that links to each other with front-wheel front-wheel stressed passed to preceding torsion bar spring, torsion bar spring tension distortion before this moment, by be installed in its end with the back ends of torsion bar spring pitch wheel, drive back torsion bar spring tension distortion, its deformation direction is opposite with the direction of preceding torsion bar spring, by the irs control arm that links to each other with the back torsion bar spring, with the stressed trailing wheel that passes to, like this, the application force of the torsion bar spring that trailing wheel is subjected to is opposite, reach the effect of buffering, approximately can offset 1/2 amplitude, reduced the horizontal vibration of vehicle body.If front-wheel is subjected to downwards or trailing wheel when being subjected to up or down power, it is identical that the transmittance process of power and front-wheel are subjected to the power that makes progress, by the effect of front and back torsion bar spring, can make automobile reach the effect of buffering, approximately can offset 1/2 amplitude.Direction of vibration current, trailing wheel is opposite, amplitude is identical, and forward and backward torsion bar spring tension is deformed into zero, and the vibration of whole vehicle body approaches zero, and at this moment, the effectiveness in vibration suppression of suspension gear of the present utility model is best, and automobile can keep horizontal motoring condition.When four wheels during not on same plane, because the opposition of forward and backward torsion bar spring makes front and rear wheel be subjected to identical power, the wheel at diagonal angle also just is subjected to identical power, so this moment, vehicle frame and body framwork can not be subjected to torsion, prolonged the vehicle operation life-span.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment one;
Accompanying drawing 2 is the structural representation of the utility model embodiment two;
Accompanying drawing 3 is the structural representation of the utility model embodiment three;
Accompanying drawing 4 is that the A of the utility model accompanying drawing 3 is to view;
Accompanying drawing 5 is the utility model gear structure scheme drawing;
Accompanying drawing 6 is the structural representation of the utility model embodiment four;
Accompanying drawing 7 is the structural representation of the utility model embodiment five;
Accompanying drawing 8 is the structural representation of differential attachment among the utility model embodiment four.
The specific embodiment
Embodiment one:
As shown in Figure 1, the upper end of preceding torsion bar spring 3 links to each other with the Control arm 1 of automobile front suspension, the Control arm of front suspension is connected with wheel 2, the lower end of back torsion bar spring 11 links to each other with the Control arm of rear suspension 12, the upper end of the lower end of the preceding torsion bar spring on left side and right side and back torsion bar spring is separately installed with gear 7,8, and two pairs of gears on the forward and backward torsion bar spring of above-mentioned homonymy are meshing with each other.Two upper end and the vehicle frames 4 that reset torsion bar spring 5 are connected, the lower end is equipped with reseting gear 10, gear 8 behind this reseting gear 10 and the same side on the torsion bar spring is meshing with each other, and three torsion bar spring on above-mentioned left side and right side link to each other with vehicle frame by preceding torsion bar spring bearing seat 6, back torsion bar spring bearing seat 9, the torsion bar spring that resets bearing seat 13 respectively.The two ends of forward and backward torsion bar spring can adopt spline or key connection mode to link to each other with irs control arm and gear, like this when front-wheel or trailing wheel are stressed, by intermeshing two pairs of gears, make the torsional direction between the forward and backward torsion bar spring of homonymy opposite, can offset the stressed of front and back wheel, reduce the vibration of automobile.
The effect of the torsion bar spring that resets 5 is: make forward and backward torsion bar spring can recover distortion rapidly behind torsional deflection, with vibration and the amplitude that reduces automobile.
In order to reduce automobile at the amplitude in when brake, the device with the brake system interlock is installed between intermeshing three gears, can be implemented in when touching on the brake by this linkage, make intermeshing three gears not produce relative motion.This device can adopt existing brake gear, as caliper brake or other drgs are installed on the gear in three gears.
Embodiment two:
On the architecture basics of embodiment one, in order to prevent that pitch wheel is by various contaminating impurities, influence its service life, as shown in Figure 2, intermeshing three gears of homonymy are placed in the gear case 14, change the working condition of gear on the one hand, on the other hand, after gear case 14 was fixed on the vehicle frame 4, three torsion bar spring of homonymy were by the location of gear case, can guarantee the situation that is meshing with each other of three gears, and save three pairs of bearing seats.Simultaneously, two torsion bar spring that reset have been installed in order to make forward and backward torsion bar spring behind torsional deflection, recover distortion rapidly, promptly before reset torsion bar spring 5-1 and after the torsion bar spring 5-2 that resets.
Embodiment three:
On the architecture basics of embodiment two, current, when the Control arm of rear suspension is two cross arm structure, as Fig. 3, shown in 4, preceding torsion bar spring 3 upper ends of the left and right sides are installed on the upper end transverse arm 1-1 of front suspension control arm 1 of the left and right sides, the lower end of the back torsion bar spring 11 of the left and right sides is installed on the upper end transverse arm of rear suspension control arm 12 of the left and right sides, the torsion bar spring that the resets 5 torsion bar spring 5-2 that resets after by reset before two torsion bar spring 5-1 and two forms, before reset torsion bar spring 5-1 upper end link to each other with the lower cross arm 1-2 of two transverse arms of the Control arm 1 of front suspension, after the torsion bar spring 5-2 lower end that resets link to each other with the lower cross arm of rear suspension control arm 12, before reset torsion bar spring the lower end and after the reset upper end and the vehicle frame 4 of torsion bar spring be connected, so just can be preceding, after the back torsion bar spring tension distortion, by preceding, after the reset effect of torsion bar spring, before making, back Control arm sets back rapidly.
In above-mentioned three embodiment, for economical with materials, gear can be made into fan-shaped, as shown in Figure 5.The homonymy pitch wheel can be arranged according to it in the spatial distributions situation, as is arranged as triangle or is arranged above and below etc.
Embodiment four:
Present embodiment is on the architecture basics of embodiment two, three gears of homonymy are replaced by differential attachment 15, shown in Fig. 6,8, differential attachment adopts the differential attachment that uses on the present automobile, form by intermeshing four conical gears that are installed in the housing 15-1, the housing of differential attachment is fixed on the vehicle frame 4, uses as the location.The lower end of the preceding torsion bar spring 3 of the left and right sides and the first conical gear 15-2 are affixed, back torsion bar spring 11 upper ends and the 3rd conical gear 15-4 of the left and right sides are connected, the reset right side, the left end of torsion bar spring 5 of two of and arranged on left and right sides is connected in vehicle frame 4 respectively, the reset other end of torsion bar spring 5 of two of and arranged on left and right sides links to each other with the 4th conical gear 15-5, the second conical gear 15-3 by the minor axis installing and locating in housing.
When front-wheel or trailing wheel are subjected to upwards power, drive front suspension control arm 1 or rear suspension control arm 12 upwards, make forward and backward torsion bar spring tension distortion, torsion bar spring resets about deformation force passes to by the conical gear in the differential attachment, make the torsion bar spring tension distortion that resets, because the effect of differential attachment, the direction of torsion bar spring tension distortion is opposite before and after making, can offset the stressed of front and back wheel like this, reduce the vibration of automobile.
Embodiment five:
Present embodiment is the change on the architecture basics of embodiment four, current, when the Control arm of rear suspension is as shown in Figure 4 a two cross arm structure, a left side, the lower end and the first conical gear 15-2 of the preceding torsion bar spring 3 of right both sides are affixed, a left side, back torsion bar spring 11 upper ends and the 3rd conical gear 15-4 of right both sides are connected, a left side, reset on the right both sides lower end of torsion bar spring 5-1 is connected in vehicle frame 4 respectively, its upper end is installed in a left side respectively, on the lower end transverse arm 1-2 of the front suspension control arm 1 of right both sides, a left side, the upper end of the following torsion bar spring 5-2 that resets of right both sides is connected in vehicle frame 4 respectively, and its lower end is installed in a left side, on the lower end transverse arm of the rear suspension control arm 12 of right both sides.
Claims (8)
1, a kind of torsion bar type automobile suspension arrangement, comprise and be installed in the preceding torsion bar spring that front overhang hangs up, it is characterized in that rear overhang hang up be equipped with the back torsion bar spring (11), the opposite end of forward and backward two torsion bar spring in the same side links to each other mutually by bindiny mechanism, and links to each other with vehicle frame (4) by registration device.
2, torsion bar type automobile suspension arrangement according to claim 1 is characterized in that above-mentioned bindiny mechanism for being fixedly mounted on the gear of forward and backward torsion bar spring opposite end respectively, and the gear on forward and backward two torsion bar spring of automobile the same side is meshing with each other.
3, torsion bar type automobile suspension arrangement according to claim 2, it is characterized in that two ends that reset torsion bar spring (5) captive joint with vehicle frame (4), the other end is installed with reseting gear (10), a gear mesh on this reseting gear (10) and forward and backward two torsion bar spring in the same side in the two mutual gears in meshs.
4, torsion bar type automobile suspension arrangement according to claim 2, when it is characterized in that the forward and backward suspension of above-mentioned automobile for two cross arm structure, forward and backward torsion bar spring one end is installed on going up of forward and backward irs control arm or the lower end transverse arm, forward and backward two ends that reset torsion bar spring link to each other with the following of forward and backward irs control arm or upper end transverse arm respectively, and forward and backward two other end and the vehicle frames that reset torsion bar spring are connected.
5, according to claim 2 or 3 or 4 described torsion bar type automobile suspension arrangements, it is characterized in that above-mentioned registration device is gear case (14), pitch wheel is installed in the gear case (14), and gear case and vehicle frame (4) are connected.
6, torsion bar type automobile suspension arrangement according to claim 1, it is characterized in that above-mentioned bindiny mechanism is the differential attachment (15) that is installed between forward and backward two torsion bar spring in automobile the same side, registration device is the housing (15-1) of differential attachment (15), and this housing (15-1) is connected with vehicle frame (4).
7, torsion bar type automobile suspension arrangement according to claim 6, it is characterized in that two relative in the above-mentioned differential attachment (15) conical gears are connected with forward and backward two torsion bar spring respectively, a conical gear adjacent with above-mentioned two conical gears is connected with an end of the torsion bar spring (5) that resets, and the other end of the torsion bar spring that resets and vehicle frame (4) are connected.
8, torsion bar type automobile suspension arrangement according to claim 6, when it is characterized in that the forward and backward suspension of above-mentioned automobile for two cross arm structure, forward and backward torsion bar spring one end is installed on going up of forward and backward irs control arm or the lower end transverse arm, the other end respectively with differential attachment (15) in relative two conical gears be connected, forward and backward two ends that reset torsion bar spring link to each other with the following of forward and backward irs control arm or upper end transverse arm respectively, and the other end is connected with vehicle frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820006824XU CN201161539Y (en) | 2008-02-23 | 2008-02-23 | Twisted bar type suspension device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820006824XU CN201161539Y (en) | 2008-02-23 | 2008-02-23 | Twisted bar type suspension device of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201161539Y true CN201161539Y (en) | 2008-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820006824XU Expired - Fee Related CN201161539Y (en) | 2008-02-23 | 2008-02-23 | Twisted bar type suspension device of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN201161539Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009103241A1 (en) * | 2008-02-23 | 2009-08-27 | Li Zhidong | Torsion bar vehicle suspension device |
| CN113002256A (en) * | 2021-04-15 | 2021-06-22 | 宿州德润机械有限公司 | Novel multi-wire multi-shaft flexible suspension axle system |
-
2008
- 2008-02-23 CN CNU200820006824XU patent/CN201161539Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009103241A1 (en) * | 2008-02-23 | 2009-08-27 | Li Zhidong | Torsion bar vehicle suspension device |
| CN101229764B (en) * | 2008-02-23 | 2010-10-20 | 李志东 | Torsion bar type automobile suspension arrangement |
| CN113002256A (en) * | 2021-04-15 | 2021-06-22 | 宿州德润机械有限公司 | Novel multi-wire multi-shaft flexible suspension axle system |
| CN113002256B (en) * | 2021-04-15 | 2021-12-07 | 宿州德润机械有限公司 | Multi-wire multi-shaft flexible suspension axle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20100223 |