Power generation shock absorber

Abstract

An upper shell and an upper generator are arranged on the lower side of a frame, an upper screw is rotationally arranged in the upper shell, the upper end of the upper screw is connected with the upper generator through an upper transmission assembly, a lower shell and a lower generator are arranged on the upper side of an axle, a lower screw is rotationally arranged in the lower shell, and the lower end of the lower screw is connected with the lower generator through a lower transmission assembly. The lower end of the upper screw is inserted into the upper ball section of the threaded sleeve, the upper end of the lower screw is inserted into the lower ball section of the threaded sleeve, lifting guide notches are formed in the upper end and the lower end of the threaded sleeve respectively, lifting guide sliding ways are arranged in the upper shell and the lower shell respectively, and the lifting guide notches are matched with the corresponding lifting guide sliding ways respectively. Movement of the upper screw and the lower screw is achieved through bumping and vibration of an automobile, the upper screw and the lower screw are connected through the screw sleeve which can only move in a lifting mode, the upper screw and the lower screw can rotate while moving, then the upper generator and the lower generator are driven to generate electricity, the overall structure is compact, and meanwhile electricity generation performance is improved.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary power supply devices, in particular to a power generation shock absorber. Background Art

[0002] Vehicles will experience ups and downs and vibrations when driving. In order to make the vehicle more comfortable during driving, people usually install shock absorbers on the vehicle body. Traditional hydraulic shock absorbers convert the wheel's bumping power into heat and consume it, which has a damping effect on the wheel's bumps. Because the damping force of the shock absorber is designed at the factory and cannot be changed later, it is impossible to adjust the comfort of the vehicle according to your own preferences.

[0003] With the development of technology, some power-generating shock absorber devices that convert vehicle vibration energy into electrical energy have appeared in the existing technology. When the device generates electricity and does work, it will generate a reverse induced electromotive force. The greater the amount of electricity generated and the more electrical energy output, the greater the resistance. At the same time, the greater the up and down bumps of the wheels, the more electrical energy the power generating device outputs. Users can control the power generation controller through the on-board control terminal to adjust the power output of the generator to change the damping effect of the power generating shock absorber, thereby adjusting the comfort of the vehicle.

[0004] For example, a Chinese utility model patent with authorization announcement number CN212106750U discloses a self-generating shock absorber for a car. When the device is working, the moving shaft will move up and down in the shock absorber groove due to the bumps and vibrations of the car, thereby driving the magnet block on the moving shaft to move accordingly. In this way, relative movement occurs between the generating coil in the coil ring groove and the magnet block, thereby realizing the power generation function. Another example is a Chinese invention patent with authorization announcement number CN102673336B discloses a power generation device for recycling energy from a suspension shock absorber to charge new energy vehicles. The power generation device includes a ball screw that moves up and down with the bumps and vibrations of the car and a nut sleeve that rotates around the ball screw due to the up and down movement of the ball screw. A permanent magnet is provided on the nut sleeve. The rotation of the nut sleeve will drive the permanent magnet to rotate and cooperate with the outer stator coil group to generate an electromotive force, thereby realizing the power generation function.

[0005] However, the working principle of the above device is mainly to use the moving shaft or lead screw to drive the magnet block or permanent magnet to move as the car moves up and down to realize the working principle of the generator and generate electricity. With the development of technology, the technology of small or micro generators is becoming more and more mature, and their size is getting smaller and smaller. How to combine the generator with the shock absorber is a problem that needs to be considered. Utility Model Content

[0006] The utility model aims to provide a power generation shock absorber, which utilizes the bumping vibration of a car to realize the movement of upper and lower screw rods, and the upper and lower screw rods are connected by a screw sleeve that can only be lifted and moved, so that the upper and lower screw rods can move and simultaneously realize their own rotation, thereby driving the upper and lower generators to generate electricity.

[0007] The purpose of this utility model is achieved through the following technical solutions:

[0008] A power generation shock absorber comprises a frame, an axle and a spring, and the frame and the axle are connected by a spring, and comprises a power generation shock absorber assembly, and the power generation shock absorber assembly comprises a screw sleeve, an upper screw, a lower screw, an upper generator and a lower generator, wherein an upper shell and an upper generator are arranged on the lower side of the frame, the upper screw is rotatably arranged in the upper shell and the upper end is connected to the upper generator through an upper transmission assembly, a lower shell and a lower generator are arranged on the upper side of the axle, the lower screw is rotatably arranged in the lower shell and the lower end is connected to the lower generator through a lower transmission assembly, the lower end of the upper screw is inserted in the upper ball section of the screw sleeve, and the upper end of the lower screw is inserted in the lower ball section of the screw sleeve, and the upper and lower ends of the screw sleeve are provided with lifting guide notches, and lifting guide slideways are arranged inside the upper shell and the lower shell, and the lifting guide notches are respectively matched with corresponding lifting guide slideways.

[0009] Both ends of the screw sleeve are provided with limiting flanges, the inner wall of the lower end of the upper shell and the inner wall of the upper end of the lower shell are provided with limiting protrusions, and the limiting flanges are limited against the corresponding limiting protrusions, and the lifting guide slots are arranged on the corresponding limiting flanges.

[0010] The upper transmission assembly and the lower transmission assembly are both gear transmission assemblies.

[0011] The gear transmission assembly includes a first gear, a second gear, a third gear and a fourth gear, wherein the first gear is coaxially connected to the corresponding screw rod, the second gear is meshed with the first gear and coaxially connected to the third gear, and the fourth gear is arranged on the driving shaft of the corresponding generator and meshed with the third gear.

[0012] The advantages and positive effects of the utility model are:

[0013] 1. The utility model utilizes the bumping vibration of the car to realize the movement of the upper and lower screw rods, and the upper and lower screw rods are connected by a screw sleeve that can only be lifted and moved. In this way, the upper and lower screw rods can move and rotate at the same time, thereby driving the upper and lower generators to generate electricity. The overall structure of the utility model is compact, and two generators can be driven to generate electricity at the same time, thereby improving the power generation performance.

[0014] 2. The utility model sets limiting flanges at both ends of the screw sleeve, and the limiting flanges are provided with lifting guide notches, which can ensure that the screw sleeve only moves in a lifting manner and prevent the screw sleeve from being separated from the upper and lower shells.

[0015] 3. The utility model can realize the connection between the upper and lower screws and the upper and lower generators through the gear transmission assembly, so that the rotation speed can be amplified by designing a suitable gear matching speed ratio, thereby ensuring that the generator can realize the power generation function. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the front view of the utility model.

[0017] Figure 2 for Figure 1 Schematic diagram of the connection structure between the screw sleeve and the upper and lower generators,

[0018] Figure 3 for Figure 2 Schematic diagram of the screw sleeve structure,

[0019] Figure 4 for Figure 1 Schematic diagram of the upper shell structure,

[0020] Figure 5 for Figure 2 The schematic diagram of the structure of the upper transmission assembly 11,

[0021] Figure 6 for Figure 1 Schematic diagram of the cooperation between the middle and upper shell and the screw sleeve.

[0022] Figure 7 This is a schematic diagram of the control principle of the utility model.

[0023] Among them, 1 is a frame, 2 is an axle, 201 is a wheel, 3 is a spring, 4 is an upper generator, 5 is a lower generator, 6 is a screw sleeve, 601 is an upper ball segment, 602 is a lower ball segment, 603 is a limiting flange, 604 is a lifting guide groove, 7 is an upper shell, 701 is a lifting guide slide, 702 is a limiting protrusion, 8 is a lower shell, 9 is an upper screw, 10 is a lower screw, 11 is an upper transmission assembly, 12 is a lower transmission assembly, 13 is a first gear, 14 is a second gear, 15 is a third gear, 16 is a fourth gear, and 17 is a screw shaft end. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 7 As shown, the utility model comprises a frame 1, an axle 2, a spring 3 and a power generation and shock absorbing assembly, wherein Figure 1As shown, wheels 201 are provided on both sides of the axle 2, and the frame 1 is supported and installed on the axle 2 through springs 3 and power generation shock-absorbing components. When the vehicle encounters bumpy road conditions, the distance between the frame 1 and the axle 2 will change. This is a well-known technology in the art.

[0026] like Figures 1-2 As shown, the power generation and shock absorption assembly includes a screw sleeve 6, an upper screw 9, a lower screw 10, an upper generator 4 and a lower generator 5, wherein Figure 1 As shown, the lower side of the frame 1 is provided with an upper shell 7 and an upper generator 4, the upper screw rod 9 is rotatably disposed in the upper shell 7 and the upper end is connected to the upper generator 4 through an upper transmission assembly 11, the upper side of the axle 2 is provided with a lower shell 8 and a lower generator 5, the lower screw rod 10 is rotatably disposed in the lower shell 8 and the lower end is connected to the lower generator 5 through a lower transmission assembly 12, as shown in FIG. Figure 2 As shown, the lower end of the upper screw 9 is inserted into the upper ball segment 601 of the screw sleeve 6, and the upper end of the lower screw 10 is inserted into the lower ball segment 602 of the screw sleeve 6. Figures 3-4 As shown, both upper and lower ends of the screw sleeve 6 are provided with lifting guide slots 604, and both the upper shell 7 and the lower shell 8 are provided with lifting guide slides 701, and the lifting guide slots 604 are respectively matched with the corresponding lifting guide slides 701, so that when the frame 1 and the axle 2 are spaced apart due to bumps in the car driving, etc., the upper shell 7 and the lower shell 8 will be driven to move respectively, thereby driving the upper screw 9 and the lower screw 10 and other components inside them to move, and due to the matching restrictions of the lifting guide slots 604 at the upper and lower ends of the screw sleeve 6 and the lifting guide slides 701 in the upper shell 7 and the lower shell 8, the screw sleeve 6 can only cooperate with the lifting movement but cannot rotate, so that during the lifting and moving process of the upper screw 9 and the lower screw 10, due to the action of the upper ball segment 601 and the lower ball segment 602, the upper screw 9 and the lower screw 10 will rotate relative to the screw sleeve 6 and drive the upper and lower generators through the corresponding transmission components to realize the power generation function.

[0027] The upper generator 4 and the lower generator 5 are both well-known technologies in the art and are commercially available products. For example, the generator in the CN219159111U patent can be used.

[0028] The upper transmission assembly 11 and the lower transmission assembly 12 can adopt appropriate transmission structures according to actual needs, such as gear transmission assemblies, specifically: Figure 5As shown, the upper transmission assembly 11 and the lower transmission assembly 12 each include a first gear 13, a second gear 14, a third gear 15 and a fourth gear 16, wherein the first gear 13 is coaxially connected to the corresponding screw, the second gear 14 is meshed with the first gear 13 and coaxially connected with the third gear 15, and the fourth gear 16 is disposed on the drive shaft of the corresponding generator and meshed with the third gear 15. The utility model can amplify the rotation speed by designing the transmission speed ratio of each of the above gears, thereby ensuring that the generator can realize the power generation function.

[0029] like Figures 3-4 and Figure 6 As shown, in this embodiment, both ends of the screw sleeve 6 are provided with limiting flanges 603, the inner wall at the lower end of the upper shell 7 and the inner wall at the upper end of the lower shell 8 are provided with limiting protrusions 702, and the limiting flanges 603 abut against the limiting protrusions 702 of the corresponding shell to prevent the screw sleeve 6 from being separated from the upper shell 7 or the lower shell 8, and the lifting guide notch 604 is provided on the limiting flange 603. Since the upper shell 7 and the lower shell 8 are respectively fixedly connected to the frame 1 and the axle 2 and do not rotate, the screw sleeve 6 cooperates with the lifting guide slide 701 through the lifting guide notch 604 and does not rotate, thereby driving the upper and lower screws to rotate relative to each other as the car bumps to achieve the power generation function.

[0030] like Figure 2 As shown, a plurality of balls are provided on the inner walls at both ends of the screw sleeve 6 to form the upper ball section 601 and the lower ball section 602, and each ball is respectively matched with the threaded groove on the corresponding screw rod. The matching structure is a conventional ball screw structure, which is a well-known technology in the art.

[0031] like Figure 2 As shown, in this embodiment, bearing seats are provided inside the upper shell 7 and the lower shell 8, wherein the upper end of the upper screw 9 and the lower end of the lower screw 10 are provided with screw shaft ends 17, and the screw shaft ends 17 are rotatably installed in the bearing seats fixed in the corresponding shells through bearing support, so that when the frame 1 and the axle 2 drive the upper shell 7 and the lower shell 8 to move due to bumps, the upper screw 9 and the lower screw 10 can be driven to move, and generator brackets are provided on the lower side of the frame 1 and the upper side of the axle 2, and the upper generator 4 and the lower generator 5 are respectively installed on the corresponding generator brackets.

[0032] The working principle of the utility model is:

[0033] When the distance between the frame 1 and the axle 2 is shortened due to bumpy driving of the car, the upper shell 7 and the lower shell 8 will be driven to move respectively, and then the upper screw 9 and the lower screw 10 and other components inside will be driven to move. The screw sleeve 6 connecting the upper screw 9 and the lower screw 10 can only be lifted and moved but not rotated due to the cooperation restriction of the lifting guide groove 604 and the lifting guide slide 701. Therefore, when the upper screw 9 and the lower screw 10 are lifted and moved, due to the action of the upper ball segment 601 and the lower ball segment 602, the upper screw 9 and the lower screw 10 are rotated at the same time, and drive the upper generator 4 and the lower generator 5 through the upper transmission assembly 11 and the lower transmission assembly 12 respectively to realize the power generation function.

[0034] The connection relationship between the utility model power generating shock absorber and the related devices on the vehicle body is as follows Figure 7 As shown, the power generation controller, energy storage battery, and vehicle-mounted control terminal are all well-known technologies in the art.

Claims

1. A power generating shock absorber, comprising a frame, an axle and a spring, wherein the frame and the axle are connected by the spring, characterized in that: The invention comprises a power generation shock absorbing assembly, wherein the power generation shock absorbing assembly comprises a screw sleeve (6), an upper screw rod (9), a lower screw rod (10), an upper generator (4) and a lower generator (5), wherein an upper shell (7) and an upper generator (4) are provided on the lower side of the vehicle frame (1), the upper screw rod (9) is rotatably arranged in the upper shell (7) and the upper end of the upper screw rod (9) is connected to the upper generator (4) through an upper transmission assembly (11), and a lower shell (8) and a lower generator (5) are provided on the upper side of the vehicle axle (2), the lower screw rod (10) is rotatably arranged in the lower shell (8) and the lower end of the upper screw rod (9) is connected to the upper generator (4) through an upper transmission assembly (11). The upper end is connected to the lower generator (5) through a lower transmission assembly (12); the lower end of the upper screw rod (9) is inserted into the upper ball section (601) of the screw sleeve (6); the upper end of the lower screw rod (10) is inserted into the lower ball section (602) of the screw sleeve (6); the upper and lower ends of the screw sleeve (6) are both provided with lifting guide notches (604); the upper shell (7) and the lower shell (8) are both provided with lifting guide slideways (701), and the lifting guide notches (604) are respectively matched with corresponding lifting guide slideways (701).

2. The power generating shock absorber according to claim 1, characterized in that: Both ends of the screw sleeve (6) are provided with limiting flanges (603), the inner wall of the lower end of the upper shell (7) and the inner wall of the upper end of the lower shell (8) are provided with limiting protrusions (702), and the limiting flanges (603) are limited against the corresponding limiting protrusions (702), and the lifting guide slots (604) are provided on the corresponding limiting flanges (603).

3. The power generating shock absorber according to claim 1, characterized in that: The upper transmission assembly (11) and the lower transmission assembly (12) are both gear transmission assemblies.

4. The power generating shock absorber according to claim 3, characterized in that: The gear transmission assembly comprises a first gear (13), a second gear (14), a third gear (15) and a fourth gear (16), wherein the first gear (13) is coaxially connected to the corresponding screw rod, the second gear (14) is meshed with the first gear (13) and coaxially connected to the third gear (15), and the fourth gear (16) is arranged on the driving shaft of the corresponding generator and meshed with the third gear (15).

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