CN216478639U

CN216478639U - Electric control buffer device of automobile shock absorber

Info

Publication number: CN216478639U
Application number: CN202122466046.0U
Authority: CN
Inventors: 陈鹏; 庄思远
Original assignee: FAW Volkswagen Automotive Co Ltd
Current assignee: FAW Volkswagen Automotive Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-10
Anticipated expiration: 2031-10-13

Abstract

The utility model provides an electric control buffer device of an automobile shock absorber, which improves the shock absorption effect and comprises a clamping plate, wherein the clamping plate comprises an upper supporting plate, a lower supporting plate and a side vertical plate. The upper supporting plate is longitudinally connected with a sliding rod in a sliding mode, the bottom end of the sliding rod is fixedly provided with a pressing plate, and the sliding rod is sleeved with a spiral spring. The lower supporting plate is longitudinally connected with a guide rod in a sliding mode, a sliding plate is installed at the top of the guide rod, a rack is arranged on the guide rod, a motor is fixed on the clamping plate, the output end of the motor is connected with a gear, and the gear is matched with the rack. An air bag feedback device is arranged on the side vertical plate and comprises a spring piece and a motor control mechanism, an air bag strip is fixed on the spring piece, the air bag strip is connected with the motor control mechanism through a guide pipe, and the motor control mechanism is connected with a motor. The spring piece is installed in a damping spring of the automobile shock absorber, and the motor is controlled based on the compression state of the air bag strip, so that the damping spring on the shock absorber can be controlled according to the extrusion force of the shock absorber.

Description

Electric control buffer device of automobile shock absorber

Technical Field

The utility model relates to the technical field of automobile shock absorbers, in particular to an electric control buffer device of an automobile shock absorber.

Background

In order to improve the running smoothness of the automobile, the shock absorber is installed in the suspension in parallel with the elastic element, and is used for damping vibration. At the moment, the friction between the hole wall and oil and the internal friction between oil molecules form damping force on vibration, so that the vibration energy of the automobile is converted into oil heat energy, and then the oil heat energy is absorbed by the shock absorber and is emitted into the atmosphere. When the cross section and other factors of the oil passage are not changed, the damping force is increased and decreased along with the relative movement speed between the vehicle frame and the vehicle axle (or the vehicle wheel) and is related to the viscosity of the oil.

The shock absorber of the automobile is generally inconvenient to control, the buffering force is constant in the driving process, the chassis of the automobile is easy to fluctuate greatly in a hollow section, the pressure on the shock absorber is increased, the shock absorber is extruded and deformed for a long time, the elasticity of the shock absorber is easy to reduce, the shock absorption effect is influenced, and the shock absorber is difficult to control according to the driving of the automobile.

In view of the above problems, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electric control buffer device of an automobile shock absorber, which can control a damping spring on the shock absorber according to the extrusion force of the shock absorber, and further can control and protect the shock absorber.

The technical scheme adopted by the utility model is as follows:

the electric control buffer device of the automobile shock absorber comprises a clamping plate, wherein the clamping plate comprises an upper supporting plate, a lower supporting plate and a side vertical plate;

a sliding rod is longitudinally connected to the upper supporting plate in a sliding mode, a pressing plate is fixed to the bottom end of the sliding rod, a first spiral spring is sleeved on the sliding rod, and the first spiral spring is located between the upper supporting plate and the pressing plate;

a guide rod is longitudinally and slidably connected to the lower supporting plate, a longitudinal guide groove is formed in the side vertical plate, a rack is arranged on the guide rod, a sliding plate is mounted at the top of the guide rod and slidably connected with the longitudinal guide groove through a sliding ring, a motor is fixed on the clamping plate, the output end of the motor is connected with a gear, and the gear is matched with the rack;

an air bag feedback device is arranged on the side vertical plate and comprises a spring piece and a motor control mechanism, an air bag strip is fixed on the spring piece, the air bag strip is connected with the motor control mechanism through a guide pipe, and the motor control mechanism is connected with the motor;

the spring piece is installed in the damping spring of automobile shock absorber ware, the cardboard joint is on automobile shock absorber ware, the clamp plate with the slide is installed respectively the damping spring upper and lower extreme of automobile shock absorber ware, motor control mechanism is based on the pressurized state of gasbag strip and control the motor.

Further, the motor control mechanism comprises a connecting frame and an end cap, the connecting frame is fixed on the side vertical plate, a cavity with an opening on one side is formed in the connecting frame, the end cap is connected to the connecting frame and seals the opening, an air bag is arranged in the cavity, a second spiral spring is connected between the air bag and the end cap, a contact piece is installed on the portion, close to the end cap, of the inner wall of the cavity, a contact ring is installed on one side, close to the end cap, of the air bag, and the air bag is communicated with the air bag strip through the guide pipe; the contact ring is in contact with the contact piece, and the motor is electrified to work.

Furthermore, a plurality of through holes are uniformly formed in the surface of the air bag, and the diameter of each through hole is 0.2-0.3 mm.

Further, the spring piece is of a spiral structure.

Furthermore, the spring plate is uniformly provided with sticking points along the spiral extending direction, and the air bag strip is stuck on the spring plate through the sticking points.

Furthermore, the sticking points adopt double-sided adhesive tapes.

Furthermore, a nut is connected to the sliding rod through threads and is located above the upper supporting plate.

Further, the contact piece and the contact ring are both made of copper materials.

Further, the pressing plate and the sliding plate are magnets.

Further, the motor is a forward and reverse rotating motor.

Compared with the prior art, the utility model has the beneficial effects that:

the electric control buffer device is clamped on the shock absorber, the motor can be automatically controlled by extruding the shock absorber by utilizing the matching of the air bag strip and the air bag, and the sliding plate can be controlled to slide up and down by the driving of the motor, so that the excessive extrusion of a damping spring on the shock absorber is reduced, the shock absorber is protected, the service life of the shock absorber is prolonged, and the shock absorber is safer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view showing the overall structure of an electrically controlled shock absorber according to an embodiment of the present invention;

FIG. 2 shows a schematic view of a spring strap of an embodiment of the present invention engaged with an airbag strip;

fig. 3 is a schematic view showing the mounting of the electrically controlled shock absorber of the present invention to a shock absorber of an automobile.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, in the present embodiment, the electrically controlled buffer device includes a clamping plate 1, and the clamping plate 1 includes an upper supporting plate 1a, a lower supporting plate 1b and a side standing plate 1 c. The upper supporting plate 1a is longitudinally connected with a sliding rod 3 in a sliding mode, the bottom end of the sliding rod 3 is fixedly provided with a pressing plate 6, the sliding rod 3 is sleeved with a first spiral spring 4, and the first spiral spring 4 is located between the upper supporting plate 1a and the pressing plate 6. The lower supporting plate 1b is longitudinally connected with a guide rod 24 in a sliding mode, the side vertical plate 1c is provided with a longitudinal guide groove 17, the guide rod 24 is provided with a rack 23, the top of the guide rod 24 is provided with a sliding plate 20, the sliding plate 20 is connected with the longitudinal guide groove 17 in a sliding mode through a sliding ring 19, and the sliding plate 20 can slide stably through sliding fit of the sliding ring 19 and the longitudinal guide groove 17, so that the up-and-down sliding stability of the sliding plate 20 is improved. The lower parts of the side vertical plates 1c are fixedly provided with inclined frames 18, and the lower sides of the inclined frames 18 are fixedly provided with motors 21. The output end of the motor 21 is connected with a gear 22, and the gear 22 is matched with a rack 23. An air bag feedback device is arranged on the side vertical plate and comprises a spring piece 7 and a motor control mechanism, an air bag strip 5 is fixed on the spring piece 7, the air bag strip 5 is connected with the motor control mechanism through a guide pipe 10, and the motor control mechanism is connected with a motor 21. The spring piece is of a spiral structure, the spring piece 7 is installed in a damping spring of the automobile shock absorber, the clamping plate 1 is clamped on the automobile shock absorber 100, the pressing plate 6 and the sliding plate 20 are installed at the upper end and the lower end of the damping spring of the automobile shock absorber 100 respectively, and the motor control mechanism controls the motor 21 based on the compression state of the air bag strip 5.

In a specific embodiment, the motor control mechanism comprises a connecting frame 9 and an end cap 13, the connecting frame 9 is fixed on the side vertical plate 1c, a cavity with an opening on one side is formed in the connecting frame 9, the end cap 13 is connected to the connecting frame 9 and seals the opening, an air bag 15 is arranged in the cavity, a second spiral spring 14 is connected between the air bag 15 and the end cap, a contact piece 11 is arranged on the part, close to the end cap, of the inner wall of the cavity, a contact ring 12 is arranged on one side, close to the end cap 13, of the air bag 15, and the air bag 15 is communicated with the air bag strip 5 through a guide pipe 10; when the contact ring 12 contacts the contact piece 11, the motor 21 is energized to operate.

In order to protect the shock absorber of the automobile, the clamping plate can be clamped on the shock absorber spring of the automobile, and the pressing plate 6 and the sliding plate 20 can be set into a magnet, so that the clamping plate is stably adsorbed on the shock absorber of the automobile, and the spring piece 7 is plugged into the spring of the shock absorber of the automobile. When the car turns or long-time downhill path and uphill, can increase the extrusion force of bumper shock absorber, will extrude gasbag strip 5 this moment, make gasbag strip 5 aerify gasbag 15 through pipe 10, and then can make contact ring 12 on the gasbag 15 slide, make contact ring 12 and contact piece 11 contact, and then will open motor 21's switch, motor 21 is the motor that just reverses, through the meshing of gear 22 with rack 23, will use slide 20 to support the top movement to the bumper shock absorber, the buffering of rethread first coil spring 4, can be to the bumper shock absorber extrusion of activity from top to bottom repeatedly, avoid extruding the bumper shock absorber for a long time, further can protect automobile shock absorber.

In a preferred embodiment, the surface of the air bag 15 is uniformly provided with a plurality of through holes 16, and the diameter of the through holes is 0.2-0.3 mm. Through the setting of through-hole, can slowly deflate the gasbag to carry out repeated detection to the extrusion force of bumper shock absorber.

In a preferred embodiment, the spring plate 7 is uniformly provided with adhesive points 8 along the spiral extension direction, the airbag strip 5 is adhered to the spring plate 7 through the adhesive points 8, and the adhesive points 8 can be double-sided adhesive tape. The upper supporting plate 1a of the clamping plate 1 is provided with a groove for the sliding of the sliding rod 3, the sliding rod 3 is connected with a screw cap 2 through threads, and the screw cap 2 is positioned above the upper supporting plate 1 a. The contact piece 11 and the contact ring 12 are both made of copper material.

The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the utility model can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the utility model are not excluded from the protection scope of the utility model.

Claims

1. The electronic control buffer device of the automobile shock absorber is characterized by comprising a clamping plate (1), wherein the clamping plate comprises an upper supporting plate (1a), a lower supporting plate (1b) and a side vertical plate (1 c);

a sliding rod (3) is longitudinally connected to the upper supporting plate in a sliding mode, a pressing plate (6) is fixed to the bottom end of the sliding rod, a first spiral spring (4) is sleeved on the sliding rod, and the first spiral spring is located between the upper supporting plate and the pressing plate;

a guide rod (24) is longitudinally and slidably connected to the lower supporting plate, a longitudinal guide groove (17) is formed in the side vertical plate, a rack (23) is arranged on the guide rod, a sliding plate (20) is mounted at the top of the guide rod and slidably connected with the longitudinal guide groove through a sliding ring (19), a motor (21) is fixed on the clamping plate, the output end of the motor is connected with a gear (22), and the gear is matched with the rack;

an air bag feedback device is arranged on the side vertical plate and comprises a spring piece (7) and a motor control mechanism, an air bag strip (5) is fixed on the spring piece, the air bag strip is connected with the motor control mechanism through a guide pipe (10), and the motor control mechanism is connected with the motor;

2. An electrically controlled damping device for shock absorbers of automobiles according to claim 1, wherein said motor control mechanism comprises a connecting frame (9) and an end cap (13), said connecting frame is fixed on said side standing plate (1c), said connecting frame is provided with a cavity with an opening at one side, said end cap is connected to said connecting frame and closes said opening, said cavity is provided with an air bag (15), a second spiral spring (14) is connected between said air bag and said end cap, a contact piece (11) is mounted on the inner wall of said cavity near said end cap, a contact ring (12) is mounted on one side of said air bag near said end cap, said air bag is communicated with said air bag strip (5) through said conduit (10); the contact ring is in contact with the contact piece, and the motor is electrified to work.

3. An electrically controlled damping device for shock absorbers of vehicles according to claim 2, wherein said air bag (15) has a plurality of through holes (16) uniformly formed on its surface, said through holes having a diameter of 0.2 to 0.3 mm.

4. An electrically controlled damping device for shock absorbers of vehicles according to claim 1, wherein said spring plate has a spiral structure.

5. An electrically controlled damping device for shock absorbers of motor vehicles according to claim 4, characterized in that said spring plate is provided with attachment points (8) uniformly along its spiral extension, through which said air bag strip is attached to said spring plate.

6. An electrically controlled damping device for shock absorbers of vehicles according to claim 5, wherein said adhesion points are double-sided adhesive tape.

7. An electrically controlled damping device for shock absorbers of motor vehicles according to claim 1, characterized in that the slide rod is threadedly connected with a nut (2) which is located above the upper supporting plate.

8. An electrically controlled damping device for shock absorbers of vehicles according to claim 2, wherein said contact piece and said contact ring are made of copper material.

9. An electrically controlled damping device for shock absorbers of vehicles according to claim 1, wherein said pressing plate and said sliding plate are magnets.

10. An electrically controlled damping device for shock absorbers of vehicles according to claim 1, wherein said motor is a counter-rotating motor.