阅读说明：本技术 带板簧的行驶高度调整件 (Ride-height adjustment part with leaf spring ) 是由 林库·帕特尔 萨尔瓦多·帕迪利亚 贾里德·斯洛依 埃里克·绍斯 于 2019-05-22 设计创作，主要内容包括：本公开提供了“带板簧的行驶高度调整件”。一种悬架系统,包括板簧、附接到所述板簧的驱动器以及附接到所述驱动器的车桥安装件。所述驱动器竖直设置在所述板簧和所述车桥安装件之间且可致动以改变在所述板簧和所述车桥安装件之间的距离。(Present disclose provides " the ride-height adjustment parts with leaf spring ".A kind of suspension system including leaf spring, is attached to the driver of the leaf spring and is attached to the vehicle bridge installation part of the driver.The driver is vertically arranged between the leaf spring and the vehicle bridge installation part and the actuatable distance with change between the leaf spring and the vehicle bridge installation part.)

1. a kind of suspension system comprising:

Leaf spring；

It is attached to the driver of the leaf spring；And

It is attached to the vehicle bridge installation part of the driver；

Wherein the driver is vertically arranged between the leaf spring and the vehicle bridge installation part and be may be actuated to change described The distance between leaf spring and the vehicle bridge installation part.

2. suspension system as described in claim 1 further includes the top plate being arranged between the leaf spring and the driver.

3. suspension system as claimed in claim 2, wherein the top plate is directly attached to the leaf spring and the driver.

4. suspension system as described in claim 1, wherein the driver is the first driver, the suspension system further includes The second driver being vertically arranged between the leaf spring and the vehicle bridge installation part.

5. suspension system as claimed in claim 4 further includes being directly attached to first driver and vehicle bridge peace First bottom plate of piece installing, and it is directly connected to the second bottom plate of second driver and the vehicle bridge installation part.

6. suspension system as claimed in claim 5, wherein the vehicle bridge installation part includes top vehicle bridge installation part part and bottom Portion vehicle bridge installation part part, and first bottom plate and second bottom plate are directly attached to the top vehicle bridge installation part portion Point.

7. suspension system as claimed in claim 6, wherein first bottom plate and second bottom plate and the top vehicle bridge Installation part part is integrated.

8. suspension system as claimed in claim 4, wherein the vehicle bridge installation part is located at first driver and described Between two drivers.

9. suspension system as described in claim 1, wherein the driver is Linear actuator.

10. suspension system as claimed in claim 9, wherein the driver is oriented to activate vertically.

11. suspension system as described in claim 1, wherein the driver can be electronically actuated.

12. suspension system as claimed in claim 11 further includes the ride-height sensing for being connected to the vehicle bridge installation part Device, and it is communicably coupled to the electronic control unit of the driver and the ride-height sensor, wherein the electronics Control unit is programmed to activate the driver based on the data from the ride-height sensor.

13. suspension system as claimed in claim 11 further includes the electronic control list for being communicably coupled to the driver Member shortens the driver wherein the electronic control unit is programmed to the igniter in response to being switched to closing.

14. suspension system as claimed in claim 11 further includes the electronic control list for being communicably coupled to the driver Member, wherein the electronic control unit is programmed to shorten institute close to the vehicle including the suspension system in response to key chain State driver.

15. suspension system according to any one of claims 1 to 14, wherein the leaf spring is along axis elongation, and institute Either end of the driver along the axis than the leaf spring is stated closer to the center of the leaf spring.

Technical field

The disclosure relates generally to vehicle suspension systems.

Background technique

Vehicle generally includes suspension system.The suspension system of vehicle is connected at least one wheel of vehicle frame and vehicle. Suspension system absorbs and inhibits the shock and vibration from wheel to vehicle frame.A kind of suspension system is blade suspension system.Blade is outstanding Frame system includes the leaf spring extended along the longitudinal axis of vehicle.Leaf spring includes the end for being attached to vehicle frame, and the vehicle bridge of vehicle by Supported by plate spring between the end of leaf spring.Suspension system is typically arranged such that moving upwards for wheel, such as works as vehicle When wheel hits protrusion during exercise, to spring loading.

Summary of the invention

A kind of suspension system includes leaf spring, the driver for being attached to the leaf spring and the vehicle bridge for being attached to the driver Installation part.The driver is vertically arranged between the leaf spring and the vehicle bridge installation part and be may be actuated to change in the plate The distance between spring and the vehicle bridge installation part.

The suspension system can also include the top plate being arranged between the leaf spring and the driver.The top plate can To be directly attached to the leaf spring and the driver.

The suspension system can also include the U bolt that the top plate and the leaf spring keep together.

The driver can be the first driver, and the suspension system can also include being vertically arranged in the leaf spring The second driver between the vehicle bridge installation part.First driver and second driver may be oriented to that This is activated in parallel.

The suspension system can also include being directly attached to the first of first driver and the vehicle bridge installation part Bottom plate, and it is directly connected to the second bottom plate of second driver and the vehicle bridge installation part.The vehicle bridge installation part can To include top vehicle bridge installation part part and bottom vehicle bridge installation part part, and first bottom plate and second bottom plate can be with It is directly attached to the top vehicle bridge installation part part.First bottom plate and second bottom plate and top vehicle bridge installation Part part can be integrated.

First bottom plate and second bottom plate can be with horizontal alignments.

The vehicle bridge installation part can be between first driver and second driver.

The driver can be Linear actuator.The driver may be oriented to activate vertically.

The driver can be can be electronically actuated.The suspension system can also include being connected to the vehicle bridge installation The ride-height sensor of part, and it is communicably coupled to the electronic control list of the driver and the ride-height sensor Member, and the electronic control unit can be programmed to activate the driving based on the data from the ride-height sensor Device.The electronic control unit can be programmed to come from the ride-height sensor in response to what instruction ride-height reduced Data, extend the driver, and in response to indicating the increased number from the ride-height sensor of ride-height According to shortening the driver.

The suspension system can also include being communicably coupled to the electronic control unit of the driver, and the electronics Control unit can be programmed to the igniter in response to being switched to closing, shorten the driver.

The suspension system can also include being communicably coupled to the electronic control unit of the driver, and the electronics Control unit can be programmed to shorten the driver close to the vehicle including the suspension system in response to key chain.

The leaf spring can along axis elongation, and the driver can along the axis than the leaf spring either end more Close to the center of the leaf spring.

Detailed description of the invention

Fig. 1 is the side view of example vehicle.

Fig. 2 is the wheel system of the vehicle of Fig. 1 and the perspective view of suspension system.

Fig. 3 is the inner side view of the suspension system of the vehicle of Fig. 1.

Fig. 4 is the outer side view of the suspension system of Fig. 2.

Fig. 5 is the top view of the suspension system of Fig. 2.

Fig. 6 is the inner side view of a part of the suspension system of Fig. 2.

Fig. 7 is the outer side view of a part of the suspension system of Fig. 2.

Fig. 8 is the block diagram of the control system of the suspension system for Fig. 2.

Specific embodiment

A kind of suspension system 30 for vehicle 32 includes leaf spring 34, is attached to leaf spring 34 at least one driver 36, 38 and it is attached to the vehicle bridge installation part 40 of driver 36,38.Driver 36,38 is vertically arranged in leaf spring 34 and vehicle bridge installation part It is between 40 and actuatable to change the distance between leaf spring 34 and vehicle bridge installation part 40.

Suspension system 30 provides the useful mode for adjusting ride-height of the vehicle 32 at suspension system 30.Suspension System 30 allows vehicle 32 lower more easily to pass in and out.Suspension system 30 can balancing vehicle 32 underloading or heavy duty, no matter How the traveling of similar level is all allowed.Suspension system 30 allows vehicle 32 to be designed to have less gradient, that is, after Ride-height is greater than preceding ride-height.Suspension system 30 is assemblied in compact packaging space.

With reference to Fig. 1, vehicle 32 can be the vehicle of any suitable type, for example, car, spacious paulin buggy, lorry, fortune Ejector half vehicle etc..As an example, vehicle 32 can be carrying cargo vehicle, for example, spacious paulin buggy (institute as shown in figure 1 Show), lorry, sport vehicle etc..Vehicle 32 can be chassis frame and body construction, and wherein vehicle frame 42 supports vehicle body 44, It is the component separated with vehicle frame 42.In the example that vehicle 32 is spacious paulin buggy, vehicle body 44 may include 46 He of driver's cabin Loading space 48.As another example, vehicle 32 can be integral in-vehicle body structure, and wherein the vehicle frame 42 of vehicle 32 and vehicle body 44 are Single component.Vehicle frame 42 and vehicle body 44 can be made of any suitable material (for example, steel, aluminium etc.).

Referring to figs. 2 to Fig. 7, vehicle 32 includes vehicle bridge 50.Vehicle bridge 50 includes shell (not labeled) and receiving is prolonged from shell It reaches the axis (not labeled) of rear-wheel 52 and is transmitted to rear-wheel 52 will rotate.Vehicle bridge 50 can be solid vehicle bridge, that is, shell and axis can To surround the axis rotation perpendicular to the longitudinal axis of vehicle 32 together as a unit.

Suspension system 30 is connected to vehicle bridge 50.Suspension system 30 is connected to vehicle frame 42.Suspension system 30 absorb and inhibit from Rear-wheel 52 arrives the shock and vibration of vehicle frame 42.Suspension system 30 can be rear-suspension system, as shown in the figure.In such example In, vehicle bridge 50 is rear axle.As another example, suspension system 30 can be the front suspension system for front-wheel 84.Following institute It states, suspension system 30 may include one or more drivers 36,38, for example, the first driver 36 and the second driver 38. (adjective " first " and " second " run through this document and are used as identifier, and are not intended to indicate importance or sequence).

Leaf spring 34 is elongated to second end 56 from first end 54 along axis A.Axis A can be carried out in vehicle forward direction Orientation, that is, can be the longitudinal axis of vehicle 32.Leaf spring 34 can be straight or slight curving along axis A.End 54, 56 are connected to vehicle frame 42.Two ends 54,56 can be fixed to vehicle frame 42, and as shown in Figure 2 or first end 54 can be fixed to Vehicle frame 42, and second end 56 can be movably attached to vehicle frame 42, such as, be attached via shackle (not shown).Leaf spring 34 wraps Include the multiple plates 58 extended between end 54,56.Plate 58 is stacked transverse to axis A, for example, vertical stacking.The bullet of leaf spring 34 Bending of the property from plate 58.

As described above, suspension system 30 may include one or more drivers 36,38, for example, example shown in figure In the first driver 36 and the second driver 38.In the example for including the first driver 36 and the second driver 38, vehicle bridge Installation part 40 can be between the first driver 36 and the second driver 38.First driver 36 can be arranged along axis The front at 34 center of leaf spring, and the second driver 38 can be arranged along axis at the rear at 34 center of leaf spring.Driver 36,38 It can be set into along axis A than any of end 54,56 of leaf spring 34 closer to the center of leaf spring 34.

In the example for including the first driver 36 and the second driver 38, driver 36,38 is oriented to activate vertically And it is parallel to each other.Therefore, driver 36,38 can be activated together to promote or reduce leaf spring relative to vehicle bridge installation part 40 and ground 34 and vehicle frame 42, to change the ride-height at 32 rear portion of vehicle.

Each driver 36,38 can be Linear actuator, it is actuatable with change leaf spring 34 and vehicle bridge installation part 40 it Between distance.Driver 36,38 can activate in two directions, that is, each driver 36,38 is actuatable to extend and shorten plate The distance between spring 34 and vehicle bridge installation part 40.For example, driver 36,38 can be reciprocating ball screw.

Driver 36,38, for example, the first driver 36 and the second driver 38, are vertically arranged in leaf spring 34 and vehicle bridge peace Between piece installing 40；In other words, leaf spring 34 is located at the top of driver 36,38, and vehicle bridge installation part 40 is located at driver 36,38 Lower section.Driver 36,38 can be arranged directly between leaf spring 34 and vehicle bridge installation part 40；That is, leaf spring 34 and vehicle bridge installation Part 40 and each driver 36,38 are conllinear.

Each driver 36,38 is attached to leaf spring 34 and vehicle bridge installation part 40.Each driver 36,38 can be via top plate 60 are indirectly attached to leaf spring 34.Each driver 36,38 can be indirectly attached to vehicle via one or more bottom plates 64,66 Bridge installation part 40.Each driver 36,38 can be attached in bottom plate 64,66 for example, by fastener, welding, adhesive etc. One.For example, the first driver 36 and the second driver 38 can be attached respectively to bottom plate 64,66.

Suspension system 30 may include that setting is driven in leaf spring 34 and driver 36,38, such as the first driver 36 and second Top plate 60 between dynamic device 38.Top plate 60 can be with leaf spring 34 and driver 36,38, such as the first driver 36 and the second driving Device 38 is adjacent and is in contact with it.Top plate 60 can be extended along axis A.Top plate 60 can be shaped as accommodating driver 36,38, example Such as, the first driver 36 and the second driver 38.Top plate 60 can have the width for being approximately equal to 34 width of leaf spring.

Top plate 60 can be directly attached and (be attached i.e. other than fastener without using intermediate member) to leaf spring 34 and driving Device 36,38, such as the first driver 36 and the second driver 38.For example, two U bolts 62 can be by vertically by top plate 60 are compressed to leaf spring 34 and top plate 60 and leaf spring 34 keep together.Driver 36,38, for example, the first driver 36 and Two drivers 38 can be attached to top plate 60 for example, by fastener, welding, adhesive etc..

Bottom plate 64,66 can be shaped as accommodating driver 36,38.It is including the first driver 36 and the second driver 38 In example, bottom plate 64,66 may include the first bottom plate 64 and the second bottom plate 66.First bottom plate 64 can be directly attached to the first drive Dynamic device 36 and vehicle bridge installation part 40, and the second bottom plate 66 can be directly attached to the second driver 38 and vehicle bridge installation part 40.The One bottom plate 64 and the second bottom plate 66 are horizontally aligned to each other, that is, are arranged at mutually the same height.

Vehicle bridge installation part 40 may include top vehicle bridge installation part part 68 and bottom vehicle bridge installation part part 70.Top vehicle Bridge installation part part 68 and bottom vehicle bridge installation part part 70 can be shaped as rotatably keeping vehicle bridge 50 together.First bottom plate 64 and second bottom plate 66 can with one in top vehicle bridge installation part part 68 and bottom vehicle bridge installation part part 70 it is integral. As shown in the figure, the first bottom plate 64 and the second bottom plate 66 and top vehicle bridge installation part part 68 are integrated.

With reference to Fig. 8, vehicle 32 includes electronic control unit (ECU) 72.ECU 72 is the controller based on microprocessor. ECU 72 includes processor, memory etc..The memory of ECU 72 include for store can by processor execute instruction and For Electronic saving data and/or the memory of database.

ECU 72 can be by communication network 74, and such as controller LAN (CAN) bus, Ethernet, WiFi, local are mutual Networking (LIN) and/or is transmitted and is received by any other wired or wireless communication network onboard diagnostics connector (OBD-II) Data.ECU 72 can be communicably coupled to driver 36,38 (for example, the first driver 36 and second via communication network 74 Driver 38), preceding traveling height sensor 76, rear ride-height sensor 78, igniter 80, key chain proximity sensor 82 And other component.

Ride-height sensor 76,78 is oriented one opposite position in detection vehicle frame 42 and rear-wheel 52 or front-wheel 84 It sets.Preceding traveling height sensor 76 is connected to the front-wheel 84 of vehicle frame 42 and vehicle 32, and rear ride-height sensor 78 is connected to Vehicle frame 42 and rear-wheel 52.Ride-height sensor 76,78 can have one end fixed relative to vehicle frame 42, and relative to preceding The other end that wheel 84 or rear-wheel 52 are fixed, for example, by being directly or indirectly fixedly coupled to vehicle bridge installation part 40.Ride-height Sensor 76,78 can be any suitable sensor of the relative position for detecting vehicle frame 42 and front-wheel 84 or rear-wheel 52, For example, the detector of rotatable arm and detection degree of rotation, rotary encoder, potentiometer etc.；It can slide in the cylinder The detector of the position of bar and detection bar in the cylinder is carried out via capacitor, resistance, linear encoder etc.；Or it is any its His suitable sensor type.

ECU 72 is programmed to actuator 36,38 (for example, the first driver 36 and second driver 38), that is, prolongs Long or shortening driver 36,38.It is driven for example, ECU 72 can be programmed to the actuating of the input based on the driver from vehicle 32 Dynamic device 36,38.ECU 72 can actuator 36,38 in the same manner, that is, can activate the first driver 36 and the second driver 38 simultaneously and by identical distance movement.

Input can be provided via button, the switch etc. in the passenger compartment of vehicle 32, or via from logical with ECU 72 The order of the portable electronic device of letter, such as key chain or mobile phone provides.

Alternatively or additionally, ECU 72 can be programmed to cause based on the data from ride-height sensor 76,78 Dynamic driver 36,38.For example, the rear ride-height that comes from that ECU 72 can be programmed to reduce in response to instruction ride-height passes The data of sensor 78 extend driver 36,38, and come from rear ride-height sensor in response to instruction ride-height is increased 78 data shorten driver 36,38.The amplitude of actuating can be based on the amplitude of variation of ride-height.In other words, 72 ECU Actuator 36,38 can be programmed to offset the ride-height of such as loading or unloading of the loading space 48 from vehicle 32 Variation,.

Alternatively or additionally, ECU 72 can be programmed to the igniter 80 in response to closing, shorten driver 36, 38.Therefore, when occupant may leave driver's cabin 46 quickly, suspension system 30 can make driver's cabin 46 closer to ground.ECU 72 can be programmed to driver 36,38 being adjusted to the first preset height, for example, minimum constructive height.ECU 72 can be programmed In such as starting vehicle 32, that is, when opening igniter 80, to extend driver 36,38.ECU 72 can be programmed to by Driver 36,38 is adjusted to the second preset height greater than the first preset height.

Alternatively or additionally, ECU 72 can be programmed in response to as detecting key chain proximity sensor 82 Key chain is close to vehicle 32, shortens driver 36,38.Particularly, ECU 72 can be programmed in response to from distance It more than threshold value is reduced to the distance of distance threshold key chain below to key chain proximity sensor 82, shortens driver 36,38. It can be slightly longer than based on the time that the distance threshold that makes to pass by reaches vehicle 32 and be used to shorten the time span of driver 36,38 to select Distance threshold is selected, or can choose distance threshold to correspond to the maximum magnitude of key chain proximity sensor 82.Therefore, work as occupant When may enter driver's cabin 46 quickly, suspension system 30 can make driver's cabin 46 closer to ground.Key chain proximity sensor 82 It can be suitable for sensing any sensor of the signal of the key chain in the short distance from vehicle 32, for example, for detecting One or more antennas of wireless pulse from key chain.

The disclosure is illustratively described, and it will be understood that the term used is intended that descriptive word The property of the property of word words and not restrictive.In view of above teaching, many modifications and variations of the disclosure are possible, and The disclosure can be implemented by the other modes for being different from specifically describing.

According to the present invention, a kind of suspension system is provided, with leaf spring；It is attached to the driver of the leaf spring；And It is attached to the vehicle bridge installation part of the driver；Wherein the driver is vertically arranged in the leaf spring and the vehicle bridge installation part Between and it is actuatable to change the distance between the leaf spring and the vehicle bridge installation part.

According to one embodiment, foregoing invention is further characterized in that the top being arranged between the leaf spring and the driver Plate.

According to one embodiment, the top plate is directly attached to the leaf spring and the driver.

According to one embodiment, foregoing invention is further characterized in that the U that the top plate and the leaf spring keep together Shape bolt.

According to one embodiment, the driver is the first driver, and the suspension system further includes being vertically arranged in institute State the second driver between leaf spring and the vehicle bridge installation part.

According to one embodiment, first driver and second driver are oriented to activate in parallel with each other.

According to one embodiment, foregoing invention, which is further characterized in that, is directly attached to first driver and the vehicle bridge First bottom plate of installation part, and it is directly connected to the second bottom plate of second driver and the vehicle bridge installation part.

According to one embodiment, the vehicle bridge installation part includes top vehicle bridge installation part part and bottom vehicle bridge installation part portion Point, and first bottom plate and second bottom plate are directly attached to the top vehicle bridge installation part part.

According to one embodiment, first bottom plate and second bottom plate and the top vehicle bridge installation part part are one Body.

According to one embodiment, first bottom plate and second floor level alignment.

According to one embodiment, the vehicle bridge installation part is between first driver and second driver.

According to one embodiment, the driver is Linear actuator.

According to one embodiment, the driver is oriented to activate vertically.

According to one embodiment, the driver can be electronically actuated.

According to one embodiment, foregoing invention is further characterized in that the ride-height sensing for being connected to the vehicle bridge installation part Device, and it is communicably coupled to the electronic control unit of the driver and the ride-height sensor, wherein the electronics Control unit is programmed to activate the driver based on the data from the ride-height sensor.

According to one embodiment, the electronic control unit is programmed to come from institute in response to what instruction ride-height reduced The data for stating ride-height sensor extend the driver, and come from the row in response to instruction ride-height is increased The data for sailing height sensor shorten the driver.

According to one embodiment, foregoing invention is further characterized in that the electronic control list for being communicably coupled to the driver Member shortens the driver wherein the electronic control unit is programmed to the igniter in response to being switched to closing.

According to one embodiment, foregoing invention is further characterized in that the electronic control list for being communicably coupled to the driver Member, wherein the electronic control unit is programmed to shorten institute close to the vehicle including the suspension system in response to key chain State driver.

According to one embodiment, the leaf spring along axis elongation, and the driver along the axis than the leaf spring Either end is closer to the center of the leaf spring.