阅读说明：本技术 一种负压汽车悬挂系统 (Negative pressure automobile suspension system ) 是由 不公告发明人 于 2020-06-03 设计创作，主要内容包括：本发明公开了一种负压汽车悬挂系统,包括负压气缸、活塞、滑轮、钢丝绳、钢丝绳卷轮、连接轴、无级变速器、链条、无极变速器、连接轴、齿轮、齿条、活塞,液压缸,导流管,电磁阀,液压升降杆,车轮轴,车轮,利用大气压强在负压气缸中对活塞制造的向内压力,经钢丝绳拉动钢丝绳卷轮转为连接轴扭力,经无级变速器调制为与车身重量相配的扭力,经连接轴齿轮推动齿条与活塞压缩液压缸中的液压油,经导流管注入液压升降杆使车身顶起。车轮车轮轴相对于车身上下移动液压升降杆伸缩时,液压缸内的压力不变,从而使车身保持平稳。电磁阀在车身下落时缩小导流管内液压油流通量,从而吸收车身下落时的势能。本负压汽车悬挂系统使车身平稳,增强车辆的舒适性。(The invention discloses a negative pressure automobile suspension system, which comprises a negative pressure cylinder, a piston, a pulley, a steel wire rope reel, a connecting shaft, a stepless speed changer, a chain, a stepless speed changer, a connecting shaft, a gear, a rack, a piston, a hydraulic cylinder, a flow guide pipe, an electromagnetic valve, a hydraulic lifting rod, a wheel shaft and wheels, wherein the inward pressure generated by the atmospheric pressure on the piston in the negative pressure cylinder is converted into the connecting shaft torsion by pulling the steel wire rope reel through the steel wire rope, the torsion matched with the weight of an automobile body is modulated into the torsion matched with the weight of the automobile body through the stepless speed changer, the rack and the piston are pushed through a connecting shaft gear to compress hydraulic oil in. When the wheel axle of the wheel moves up and down relative to the vehicle body and the hydraulic lifting rod stretches, the pressure in the hydraulic cylinder is unchanged, so that the vehicle body is kept stable. When the vehicle body falls, the electromagnetic valve reduces the flow of hydraulic oil in the guide pipe, so that the potential energy of the vehicle body when the vehicle body falls is absorbed. The negative pressure automobile suspension system enables an automobile body to be stable, and improves the comfort of the automobile.)

1. A negative pressure automobile suspension system comprises a negative pressure cylinder (1), a piston (2), a pulley (3), a steel wire rope (4), a steel wire rope reel (5), a connecting shaft (6), a continuously variable transmission (7), a chain (8), a continuously variable transmission (9), a connecting shaft (10), a gear (11), a rack (12), a piston (13), a hydraulic cylinder (14), a guide pipe (15), an electromagnetic valve (16), a hydraulic lifting rod (17), a wheel axle (18) and wheels (19). The inward pressure produced by the piston (2) in the negative pressure cylinder (1) by utilizing the atmospheric pressure is converted into the torque force of the connecting shaft (6) by pulling the steel wire rope reel (5) through the steel wire rope (4), the torque force matched with the weight of the vehicle body is modulated through the continuously variable transmission (7) and the continuously variable transmission (9), the rack (12) and the piston (13) are pushed by the gear (11) of the connecting shaft (10) to compress the hydraulic oil in the hydraulic cylinder (14), and the hydraulic lifting rod (17) is injected through the guide pipe (15) to jack the vehicle body. When the wheel shaft (18) of the wheel (19) moves up and down relative to the vehicle body and the hydraulic lifting rod (17) stretches, the pressure in the hydraulic cylinder (14) is not changed, so that the vehicle body is kept stable. The continuously variable transmissions (9) and (7) adopt the matching of a driving wheel and a driven wheel with variable working diameters to transmit power through a chain (8), and the matching of the pressure of the weight of a vehicle body compressing a hydraulic lifting rod (17) and the pressure required by a piston (13) compressing a hydraulic cylinder (14) can be realized. The electromagnetic valve (16) reduces the flow rate of hydraulic oil in the flow guide pipe (15) when the vehicle body falls, thereby absorbing the potential energy when the vehicle body falls.

2. The negative-pressure automobile suspension system according to claim 1, wherein the electromagnetic valve (16) reduces the flow rate of hydraulic oil in the flow guide pipe (15) when the automobile body falls, thereby absorbing the potential energy when the automobile body falls.

3. The negative-pressure automobile suspension system as claimed in claim 1, wherein the continuously variable transmissions (9) and (7) adopt a driving wheel and a driven wheel with variable working diameters to be matched with each other to transmit power through a chain (8), so that the weight of an automobile body can be matched with the pressure required by a hydraulic cylinder.

4. A negative pressure vehicle suspension system according to claim 1, wherein the negative pressure cylinder (1) utilizes the inward pressure of the atmospheric pressure on the piston 2 in the negative pressure cylinder 1 to pull the wire rope reel 5 via the wire rope 4 to turn the connecting shaft 6 into torsion.

5. A negative pressure vehicle suspension system according to claim 1, wherein the cable (4) is provided with a pulley (3).

Technical Field

The invention relates to the technical field of automobile damping devices, in particular to a negative-pressure automobile suspension system.

Background

In order to quickly attenuate the vibration of a frame and a body and improve the smoothness and comfort of automobile running, a shock absorber is generally arranged on an automobile suspension system, a bidirectional-acting cylinder type shock absorber is widely adopted on an automobile, the shock absorber is a vulnerable accessory in the using process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts, so that the shock absorber is always in a good working state.

The existing automobile suspension has poor damping effect, and when the automobile runs on a barrier, the comfort of the automobile is low. Accordingly, we provide a negative pressure vehicle suspension system to solve the problems set forth in the background above.

Disclosure of Invention

The present invention is directed to a negative pressure suspension system for a vehicle, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a negative pressure automobile suspension system comprises a negative pressure cylinder, a piston, a pulley, a steel wire rope reel, a connecting shaft, a continuously variable transmission, a chain, a continuously variable transmission, a connecting shaft, a gear, a rack, a piston, a hydraulic cylinder, a flow guide pipe, an electromagnetic valve, a hydraulic lifting rod, a wheel shaft and wheels, wherein the electromagnetic valve is arranged between the hydraulic lifting rod and the hydraulic cylinder, and pressure is transferred through hydraulic oil.

Compared with the prior art, the invention has the beneficial effects that:

the inward pressure produced by the atmospheric pressure on the piston 2 in the negative pressure cylinder 1 is converted into the torque force of the connecting shaft 6 by pulling the steel wire rope reel 5 through the steel wire rope 4, the torque force is modulated into the torque force matched with the weight of the vehicle body through the continuously variable transmissions 7 and 9, the rack 12 and the piston 13 are pushed by the connecting shaft 10 and the gear 11 to compress the hydraulic oil in the hydraulic cylinder 14, and the hydraulic lifting rod 17 is injected through the guide pipe 15 to jack the vehicle body. When the wheel 19 and the wheel shaft 18 move up and down relative to the vehicle body and the hydraulic lifting rod 17 extends and contracts, the pressure in the hydraulic cylinder 14 is not changed, and the vehicle body is kept stable. The solenoid valve 16 reduces the flow rate of the hydraulic oil in the draft tube 15 when the vehicle body falls, thereby absorbing the potential energy when the vehicle body falls. The negative pressure automobile suspension system enables an automobile body to be stable, and improves the comfort of the automobile.

Drawings

Fig. 1 is a schematic structural diagram of a negative pressure automobile suspension system.

In the figure: the hydraulic lifting device comprises a negative pressure cylinder 1, a piston 2, a pulley 3, a steel wire rope 4, a steel wire rope reel 5, a connecting shaft 6, a stepless speed changer 7, a chain 8, a stepless speed changer 9, a connecting shaft 10, a gear 11, a rack 12, a piston 13, a hydraulic oil cylinder 14, a flow guide pipe 15, an electromagnetic valve 16, a hydraulic lifting rod 17, a wheel shaft 18 and a wheel 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a negative pressure automobile suspension system includes a negative pressure cylinder 1, a piston 2, a pulley 3, a steel wire rope 4, a steel wire rope reel 5, a connecting shaft 6, a continuously variable transmission 7, a chain 8, a continuously variable transmission 9, a connecting shaft 10, a gear 11, a rack 12, a piston 13, a hydraulic cylinder 14, a flow guide pipe 15, an electromagnetic valve 16, a hydraulic lifting rod 17, a wheel axle 18, and wheels 19. The wheel 19 is lifted relative to the vehicle body when meeting an obstacle, the hydraulic lifting rod 17 is compressed, hydraulic oil enters the hydraulic cylinder 14 through the flow guide pipe 15, the hydraulic cylinder piston 13 and the rack 12 are pushed to move outwards, the rack 12 moves to drive the gear 11 meshed with the rack to rotate, the stepless speed changer 9 is driven through the connecting shaft 10, the stepless speed changer 7 is driven through the chain 8, the steel wire rope reel 5 is driven through the connecting shaft 6, and the steel wire rope reel 5 rotates to pull the steel wire rope 4 to pull the piston 2 to move outwards. The wheel 19 falls relative to the vehicle body after passing through the obstacle, and the piston 2 moves inwards under the atmospheric pressure to pull the steel wire rope 4 to reverse the process. The continuously variable transmissions 9 and 7 adopt the matching of a driving wheel and a driven wheel with variable working diameters to transmit power through the chain 8, and the matching of the pressure of the vehicle body weight compression hydraulic lifting rod 17 and the pressure required by the piston 13 compression hydraulic cylinder 14 can be realized.

The working principle of the invention is as follows:

the inward pressure produced by the atmospheric pressure on the piston 2 in the negative pressure cylinder 1 is converted into the torque force of the connecting shaft 6 by pulling the steel wire rope reel 5 through the steel wire rope 4, the torque force is modulated into the torque force matched with the weight of the vehicle body through the continuously variable transmissions 7 and 9, the rack 12 and the piston 13 are pushed by the connecting shaft 10 and the gear 11 to compress the hydraulic oil in the hydraulic cylinder 14, and the hydraulic lifting rod 17 is injected through the guide pipe 15 to jack the vehicle body. When the wheel 19 and the wheel shaft 18 move up and down relative to the vehicle body and the hydraulic lifting rod 17 extends and contracts, the pressure in the hydraulic cylinder 14 is not changed, and the vehicle body is kept stable. The solenoid valve 16 reduces the flow rate of the hydraulic oil in the draft tube 15 when the vehicle body falls, thereby absorbing the potential energy when the vehicle body falls. The negative pressure automobile suspension system enables an automobile body to be stable, and improves the comfort of the automobile.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.