阅读说明：本技术 一种能缓冲多方向震动的车载机柜背部减震器 (Vehicle-mounted cabinet back shock absorber capable of buffering multidirectional vibration ) 是由 鲁希团 王瑗 荆鹏飞 吕慧 臧频阳 田雪涛 于 2020-06-20 设计创作，主要内容包括：本发明一种能缓冲多方向震动的车载机柜背部减震器,属于减震设计领域；包括依次连接的前部组合、中部组合和后部组合,分别用于实现空间坐标x、z、y轴向的减震；所述前部组合包括前部壳体、多个前部弹簧组件和活动板；所述中部组合包括前部连接件、两个中部弹簧、球体上壳体、球体、球体下壳体、中部连接轴、固定销以及后部连接件；所述的后部组合包含后部壳体和多个后部弹簧组件,所述后部弹簧组件包括Z形板、后部弹簧固定轴、后部弹簧和后部导向销；通过不同部件缓冲不同方向的力,实现了能够同时缓冲多方向震动的效果,与现有机柜背部减震器相比,在野外环境运输过程,能够更好的保护机柜结构及安装在机柜内部的电子设备。(The invention relates to a vehicle-mounted cabinet back shock absorber capable of buffering multidirectional shock, belonging to the field of shock absorption design; the damping device comprises a front combination, a middle combination and a rear combination which are sequentially connected and are respectively used for realizing the axial damping of space coordinates x, z and y; the front assembly includes a front housing, a plurality of front spring assemblies, and a movable plate; the middle combination comprises a front connecting piece, two middle springs, a sphere upper shell, a sphere lower shell, a middle connecting shaft, a fixing pin and a rear connecting piece; the rear assembly comprises a rear housing and a plurality of rear spring assemblies, wherein each rear spring assembly comprises a Z-shaped plate, a rear spring fixing shaft, a rear spring and a rear guide pin; through the power of different directions of different part buffering, realized the effect that can cushion multi-direction vibrations simultaneously, compare with current rack back bumper shock absorber, at open-air environment transportation, protection rack structure that can be better and install the electronic equipment in the rack inside.)

1. The utility model provides a can cushion on-vehicle rack back bumper shock absorber of multi-direction vibrations which characterized in that: the damping device comprises a front combination, a middle combination and a rear combination which are sequentially connected and are respectively used for realizing the damping of space coordinates x, z and y in the axial direction, wherein the x axial direction is the driving direction of a vehicle; the front assembly is fixedly arranged on a vehicle, and the rear assembly is arranged on a damped object;

the front assembly includes a front housing, a plurality of front spring assemblies, and a movable plate; the front spring assembly comprises an arched plate, a front spring fixing shaft, a front spring and a front guide pin, wherein two ends of the arched plate are positioned on the same plane, and the middle part of the arched plate is sunken to one side to form a groove; the two front spring fixing shafts respectively coaxially penetrate through holes symmetrically formed in two ends of the arched plate and are in clearance fit; the two front springs are respectively coaxially sleeved on the two front spring fixing shafts and are positioned on one side of the arch-shaped plate recess; the front guide pin is fixed on the bottom surface of the groove of the arched plate, and the tail end of the front guide pin is positioned in the groove of the arched plate and is used for being connected with the movable plate; the front spring assemblies are arranged in the vertical direction and are installed in the front shell, wherein two ends of each front spring fixing shaft are fixedly connected with the inner walls of two opposite sides of the front shell respectively, and the axial directions of all the front springs are ensured to be arranged in parallel to the x axial direction; the movable plate is provided with a plurality of guide pin holes along the vertical direction and is respectively used for penetrating through the front guide pins of the front spring assemblies; the front spring assemblies are arranged on the movable plate in the X-axis forward and backward directions, the front guide pins are arranged on the front side surfaces of the movable plate, the front guide pins are arranged on the front side surfaces of the front spring assemblies, and the front guide pins are arranged on the front side surfaces of the front spring assemblies;

the middle combination comprises a front connecting piece, two middle springs, an upper sphere shell, a sphere, a lower sphere shell, a middle connecting shaft, a fixing pin and a rear connecting piece, wherein the rear connecting piece is a U-shaped plate which is transversely arranged; the middle connecting shaft is arranged along the vertical direction, sequentially passes through the first middle spring, the upper sphere shell, the sphere, the lower sphere shell and the second middle spring, can slide relatively, and has two ends respectively passing through the upper plate and the lower plate of the rear connecting piece and fixed through the fixing pins; the front connecting piece is a U-shaped plate which is transversely arranged, the upper plate and the lower plate of the front connecting piece are respectively and fixedly connected with the upper end and the lower end of the movable plate, and the side plate of the front connecting piece is fixedly connected with the lower shell of the sphere;

the rear assembly comprises a rear shell and a plurality of rear spring assemblies, each rear spring assembly comprises a Z-shaped plate, a rear spring fixing shaft, a rear spring and a rear guide pin, and the upper plate and the lower plate of each Z-shaped plate are respectively arranged on the opposite side surfaces of the two ends of the vertical plate in parallel; the two rear spring fixing shafts respectively coaxially penetrate through two through holes formed in the upper plate of the Z-shaped plate and are in clearance fit with each other; the two rear springs are respectively coaxially sleeved on the two rear spring fixing shafts and are positioned on one side of the vertical plate of the Z-shaped plate; the rear guide pin is fixed on the lower plate of the Z-shaped plate, and the tail end of the rear guide pin is positioned on the other side of the vertical plate of the Z-shaped plate and is fixedly connected with the side plate of the rear connecting piece; the rear spring assemblies are arranged in the vertical direction and are installed in the rear shell, wherein two ends of each rear spring fixing shaft are fixedly connected with the inner walls of two opposite sides of the rear shell respectively, and the axial directions of all rear springs are ensured to be parallel to the y-axis direction; part the Z shaped plate of rear portion spring unit passes through the rear portion uide pin install in a side of the curb plate of rear portion connecting piece, all the other the Z shaped plate of rear portion spring unit passes through the rear portion uide pin install in the another side of the curb plate of rear portion connecting piece sets up the rear portion spring unit of opposite direction and is used for realizing the shock attenuation of the positive and negative direction of y axle.

2. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: the front assembly also comprises a front fixing plate and a rear fixing plate, the two front fixing plates are symmetrically fixed on one side wall of the front shell, a plurality of mounting holes are formed in the front fixing plates along the vertical direction and used for fixedly mounting one end of each front spring fixing shaft in the front spring assemblies, and spring guide seats are arranged on the peripheries of the mounting holes in the positions, directly contacted with the front springs, of the front fixing plates and used for radial limiting of the front springs; the two rear fixing plates are symmetrically fixed on the other side wall of the front shell, a plurality of mounting holes are formed in the rear fixing plates in the vertical direction and used for fixedly mounting the other ends of the front spring fixing shafts in the front spring assemblies, and spring guide seats are arranged on the peripheries of the mounting holes in the positions, in direct contact with the front springs, of the rear fixing plates and used for radial limiting of the front springs.

3. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: the front spring assemblies in the front combination are 4 in number and sequentially comprise a front first layer spring assembly, a front second layer spring assembly, a front third layer spring assembly and a front fourth layer spring assembly from top to bottom, wherein the mounting directions of the front first layer spring assembly and the front fourth layer spring assembly are the same, the mounting directions of the front second layer spring assembly and the front third layer spring assembly are the same, and the mounting directions of the front first layer spring assembly and the front fourth layer spring assembly are opposite.

4. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: and front spring fixing seats are arranged at through holes at two ends of the arched plate and used for radial limiting of the front springs.

5. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: the upper sphere body and the lower sphere body are cylinders with through holes in the center, the inner walls of the through holes are of hemispherical pit structures, and the inner walls of the through holes are matched with the spherical outer spherical surface and used for buffering the torsional vibration of the circumferential direction of the z axis.

6. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: the rear assembly also comprises a left fixing plate and a right fixing plate, the left fixing plate is fixed on one side wall of the rear shell, a plurality of mounting holes are formed in the left fixing plate in the vertical direction and used for fixedly mounting one end of each rear spring fixing shaft in the rear spring assemblies, and spring guide seats are arranged on the periphery of the mounting holes in the positions, in direct contact with the rear springs, of the left fixing plate and used for radial limiting of the rear springs; the right fixing plate is fixed on the other side wall of the rear shell, a plurality of mounting holes are formed in the right fixing plate in the vertical direction and used for fixedly mounting the other end of each rear spring fixing shaft in the rear spring assembly, and spring guide seats are arranged on the periphery of the mounting holes in the positions, in direct contact with the rear springs, of the right fixing plate and used for radial limiting of the rear springs.

7. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: the rear spring assembly in the rear combination is 4, and the rear first layer spring assembly, the rear second layer spring assembly, the rear third layer spring assembly and the rear fourth layer spring assembly are arranged from top to bottom in sequence, wherein the mounting directions of the rear first layer spring assembly and the rear fourth layer spring assembly are the same, the mounting directions of the rear second layer spring assembly and the rear third layer spring assembly are the same, and the mounting directions of the rear first layer spring assembly and the rear fourth layer spring assembly are opposite.

8. The vehicle rack back damper capable of damping multi-directional vibrations of claim 1, wherein: and a rear spring fixing seat is arranged at the through hole of the Z-shaped plate and used for radial limiting of the rear spring.

Technical Field

The invention belongs to the field of damping design, and particularly relates to a vehicle-mounted cabinet back damper capable of buffering multidirectional vibration.

Background

In the military field, electronic devices used in mobile vehicles such as command cars and communication cars are generally mounted in a cabinet in a stacked manner, and then the cabinet is integrally fixed in a car or a shelter. When the vehicle runs on an off-road surface, the upper part of the cabinet can generate strong vibration due to the transportation bump, and in order to buffer the vibration of the upper part of the cabinet, a shock absorber is generally connected between the rear upper part of the cabinet and the vehicle (or the shelter wall). The existing cabinet rear shock absorber is generally a steel wire rope shock absorber or a spring shock absorber or a rubber shock absorber for buffering unidirectional vibration. The steel wire rope shock absorption depends on stretching or compressing the steel wire rope to deform to absorb shock energy, but when the upper part of the cabinet is simultaneously subjected to the shock in multiple directions, namely, when the displacement in multiple directions is generated, the shock can greatly influence the service life of the cabinet structure and the electronic equipment due to limited deformation of the steel wire rope and deviation of the buffering effect. Further, the spring damper or the rubber damper for damping one-directional vibration is effective for vibration in the traveling direction of the vehicle, and has a deviation in damping effect in other directions.

Disclosure of Invention

The technical problem to be solved is as follows:

in order to avoid the defects of the prior art, the invention provides the vehicle-mounted cabinet back shock absorber capable of buffering multidirectional shock, and the front part, the middle part and the rear part of the shock absorber are combined to realize omnibearing shock absorption on the vehicle-mounted cabinet.

The technical scheme of the invention is as follows: the utility model provides a can cushion on-vehicle rack back bumper shock absorber of multi-direction vibrations which characterized in that: the damping device comprises a front combination, a middle combination and a rear combination which are sequentially connected and are respectively used for realizing the damping of space coordinates x, z and y in the axial direction, wherein the x axial direction is the driving direction of a vehicle; the front assembly is fixedly arranged on a vehicle, and the rear assembly is arranged on a damped object;

the front assembly includes a front housing, a plurality of front spring assemblies, and a movable plate; the front spring assembly comprises an arched plate, a front spring fixing shaft, a front spring and a front guide pin, wherein two ends of the arched plate are positioned on the same plane, and the middle part of the arched plate is sunken to one side to form a groove; the two front spring fixing shafts respectively coaxially penetrate through holes symmetrically formed in two ends of the arched plate and are in clearance fit; the two front springs are respectively coaxially sleeved on the two front spring fixing shafts and are positioned on one side of the arch-shaped plate recess; the front guide pin is fixed on the bottom surface of the groove of the arched plate, and the tail end of the front guide pin is positioned in the groove of the arched plate and is used for being connected with the movable plate; the front spring assemblies are arranged in the vertical direction and are installed in the front shell, wherein two ends of each front spring fixing shaft are fixedly connected with the inner walls of two opposite sides of the front shell respectively, and the axial directions of all the front springs are ensured to be arranged in parallel to the x axial direction; the movable plate is provided with a plurality of guide pin holes along the vertical direction and is respectively used for penetrating through the front guide pins of the front spring assemblies; the front spring assemblies are arranged on the movable plate in the X-axis forward and backward directions, the front guide pins are arranged on the front side surfaces of the movable plate, the front guide pins are arranged on the front side surfaces of the front spring assemblies, and the front guide pins are arranged on the front side surfaces of the front spring assemblies;

the middle combination comprises a front connecting piece, two middle springs, an upper sphere shell, a sphere, a lower sphere shell, a middle connecting shaft, a fixing pin and a rear connecting piece, wherein the rear connecting piece is a U-shaped plate which is transversely arranged; the middle connecting shaft is arranged along the vertical direction, sequentially passes through the first middle spring, the upper sphere shell, the sphere, the lower sphere shell and the second middle spring, can slide relatively, and has two ends respectively passing through the upper plate and the lower plate of the rear connecting piece and fixed through the fixing pins; the front connecting piece is a U-shaped plate which is transversely arranged, the upper plate and the lower plate of the front connecting piece are respectively and fixedly connected with the upper end and the lower end of the movable plate, and the side plate of the front connecting piece is fixedly connected with the lower shell of the sphere;

the rear assembly comprises a rear shell and a plurality of rear spring assemblies, each rear spring assembly comprises a Z-shaped plate, a rear spring fixing shaft, a rear spring and a rear guide pin, and the upper plate and the lower plate of each Z-shaped plate are respectively arranged on the opposite side surfaces of the two ends of the vertical plate in parallel; the two rear spring fixing shafts respectively coaxially penetrate through two through holes formed in the upper plate of the Z-shaped plate and are in clearance fit with each other; the two rear springs are respectively coaxially sleeved on the two rear spring fixing shafts and are positioned on one side of the vertical plate of the Z-shaped plate; the rear guide pin is fixed on the lower plate of the Z-shaped plate, and the tail end of the rear guide pin is positioned on the other side of the vertical plate of the Z-shaped plate and is fixedly connected with the side plate of the rear connecting piece; the rear spring assemblies are arranged in the vertical direction and are installed in the rear shell, wherein two ends of each rear spring fixing shaft are fixedly connected with the inner walls of two opposite sides of the rear shell respectively, and the axial directions of all rear springs are ensured to be parallel to the y-axis direction; part the Z shaped plate of rear portion spring unit passes through the rear portion uide pin install in a side of the curb plate of rear portion connecting piece, all the other the Z shaped plate of rear portion spring unit passes through the rear portion uide pin install in the another side of the curb plate of rear portion connecting piece sets up the rear portion spring unit of opposite direction and is used for realizing the shock attenuation of the positive and negative direction of y axle.

The further technical scheme of the invention is as follows: the front assembly also comprises a front fixing plate and a rear fixing plate, the two front fixing plates are symmetrically fixed on one side wall of the front shell, a plurality of mounting holes are formed in the front fixing plates along the vertical direction and used for fixedly mounting one end of each front spring fixing shaft in the front spring assemblies, and spring guide seats are arranged on the peripheries of the mounting holes in the positions, directly contacted with the front springs, of the front fixing plates and used for radial limiting of the front springs; the two rear fixing plates are symmetrically fixed on the other side wall of the front shell, a plurality of mounting holes are formed in the rear fixing plates in the vertical direction and used for fixedly mounting the other ends of the front spring fixing shafts in the front spring assemblies, and spring guide seats are arranged on the peripheries of the mounting holes in the positions, in direct contact with the front springs, of the rear fixing plates and used for radial limiting of the front springs.

The further technical scheme of the invention is as follows: the front spring assemblies in the front combination are 4 in number and sequentially comprise a front first layer spring assembly, a front second layer spring assembly, a front third layer spring assembly and a front fourth layer spring assembly from top to bottom, wherein the mounting directions of the front first layer spring assembly and the front fourth layer spring assembly are the same, the mounting directions of the front second layer spring assembly and the front third layer spring assembly are the same, and the mounting directions of the front first layer spring assembly and the front fourth layer spring assembly are opposite.

The further technical scheme of the invention is as follows: and front spring fixing seats are arranged at through holes at two ends of the arched plate and used for radial limiting of the front springs.

The further technical scheme of the invention is as follows: the upper sphere body and the lower sphere body are cylinders with through holes in the center, the inner walls of the through holes are of hemispherical pit structures, and the inner walls of the through holes are matched with the spherical outer spherical surface and used for buffering the torsional vibration of the circumferential direction of the z axis.

The further technical scheme of the invention is as follows: the rear assembly also comprises a left fixing plate and a right fixing plate, the left fixing plate is fixed on one side wall of the rear shell, a plurality of mounting holes are formed in the left fixing plate in the vertical direction and used for fixedly mounting one end of each rear spring fixing shaft in the rear spring assemblies, and spring guide seats are arranged on the periphery of the mounting holes in the positions, in direct contact with the rear springs, of the left fixing plate and used for radial limiting of the rear springs; the right fixing plate is fixed on the other side wall of the rear shell, a plurality of mounting holes are formed in the right fixing plate in the vertical direction and used for fixedly mounting the other end of each rear spring fixing shaft in the rear spring assembly, and spring guide seats are arranged on the periphery of the mounting holes in the positions, in direct contact with the rear springs, of the right fixing plate and used for radial limiting of the rear springs.

The further technical scheme of the invention is as follows: the rear spring assembly in the rear combination is 4, and the rear first layer spring assembly, the rear second layer spring assembly, the rear third layer spring assembly and the rear fourth layer spring assembly are arranged from top to bottom in sequence, wherein the mounting directions of the rear first layer spring assembly and the rear fourth layer spring assembly are the same, the mounting directions of the rear second layer spring assembly and the rear third layer spring assembly are the same, and the mounting directions of the rear first layer spring assembly and the rear fourth layer spring assembly are opposite.

The further technical scheme of the invention is as follows: and a rear spring fixing seat is arranged at the through hole of the Z-shaped plate and used for radial limiting of the rear spring.

Advantageous effects

The invention has the beneficial effects that: the invention relates to a vehicle-mounted cabinet back shock absorber capable of buffering multidirectional vibration, which realizes an omnibearing shock absorption function through a front combination, a middle combination and a rear combination which are integrated into a whole, wherein the shock absorption springs of the front combination and the rear combination are axially and vertically arranged and are used for absorbing the shock of XY axes in positive and negative directions in a horizontal plane; the middle combined damping spring is vertically arranged along the z axis and is used for damping in the z axis direction;

the front first layer spring assembly and the front fourth layer spring assembly of the front combination are arranged opposite to the front second layer spring assembly and the front third layer spring assembly, so that the vibration in the driving direction and the reverse direction of the vehicle can be buffered; the middle connecting shaft of the middle combination is matched with the middle spring and is used for buffering the vibration of the vehicle in the vertical direction, and a spherical structure is arranged between the two middle springs and is used for buffering the torsional vibration; the first and fourth layers of spring groups at the rear part of the rear part combination are arranged opposite to the second and third layers of spring groups at the rear part, so that the transverse vibration of the vehicle (namely the direction forming an included angle of 90 degrees with the driving direction of the vehicle in the horizontal plane) can be buffered.

Through the power of different directions of different part buffering, realized the effect that can cushion multi-direction vibrations simultaneously, compare with current rack back bumper shock absorber, at open-air environment transportation, protection rack structure that can be better and install the electronic equipment in the rack inside.

Drawings

FIG. 1 is a vehicle rack back damper of the present invention.

Fig. 2 is an exploded view of the vehicle cabinet back damper of the present invention.

Fig. 3 is a front exploded assembly view of the present invention.

Fig. 4 is a front fixing plate of the present invention.

Fig. 5 is a rear fixing plate of the present invention.

Fig. 6 is an exploded view of the front spring assembly of the present invention.

Fig. 7 is a movable plate of the present invention.

Fig. 8 illustrates the front first and fourth tier spring assembly installation of the present invention.

Fig. 9 illustrates the front second and third tier spring assembly installation of the present invention.

Fig. 10 shows the first working state of the front assembly of the present invention.

Fig. 11 shows the front combination operation state two of the present invention.

FIG. 12 is an exploded view of the present invention.

Fig. 13 is a rear exploded assembly view of the present invention.

Fig. 14 shows a left fixation plate of the present invention.

Fig. 15 is a right fixation plate of the present invention.

Fig. 16 is an exploded view of the rear spring assembly of the present invention.

Fig. 17 illustrates the rear first and fourth tier spring assembly installation of the present invention.

FIG. 18 illustrates the rear second and third tier spring assembly installation of the present invention.

Fig. 19 shows the first operating state of the rear assembly according to the present invention.

Fig. 20 shows the second operational state of the rear assembly of the present invention.

FIG. 21 is a view showing the connection of the damper according to the present invention.

Description of reference numerals: 1. the front assembly 2, the rear assembly 3, the rear assembly 4, the front connecting hole 5, the bolt 6, the middle connecting hole 7, the rear guiding pin hole 8, the rear guiding pin 9, the front shell 10, the front fixing plate 11, the rear fixing plate 12, the front first layer spring assembly 13, the front second layer spring assembly 14, the front third layer spring assembly 15, the front fourth layer spring assembly 16, the movable plate 17, the front fixing plate first mounting hole 18, the front fixing plate second mounting hole 19, the front fixing plate third mounting hole 20, the front fixing plate fourth mounting hole 21, the front fixing plate first layer spring guide 22, the front fixing plate fourth layer spring guide 23, the rear fixing plate first mounting hole 24, the rear fixing plate second mounting hole 25, the rear fixing plate third mounting hole 26, the rear fixing plate fourth mounting hole 27, the rear fixing plate second layer spring guide 28, the rear fixing plate third layer spring guide 29. Bow plate 30, front spring mounting hole 31, front spring fixing seat 32, front spring fixing shaft 33, front spring 34, front guide pin 35, front first layer spring guide pin hole 36, front second layer spring guide pin hole 37, front third layer spring guide pin hole 38, front fourth layer spring guide pin hole 39, front connecting piece 40, middle spring 41, ball upper shell 42, ball 43, ball lower shell 44, middle connecting shaft 45, fixing pin 46, rear connecting piece 47, rear shell 48, left fixing plate 49, right fixing plate 50, rear first layer spring assembly 51, rear second layer spring assembly 52, rear third layer spring assembly 53, rear fourth layer spring assembly 54, left fixing plate first mounting hole 55, left fixing plate second mounting hole 56, left fixing plate third mounting hole 57, left fixing plate fourth mounting hole 58, left first layer spring guide seat 59, a left fixing plate fourth layer spring guide seat 60, a right fixing plate first mounting hole 61, a right fixing plate second mounting hole 62, a right fixing plate third mounting hole 63, a right fixing plate fourth mounting hole 64, a right fixing plate second layer spring guide seat 65, a right fixing plate third layer spring guide seat 66. Z-shaped plate 67, a rear spring fixing seat 68, a rear spring fixing shaft mounting hole 69, a rear spring fixing shaft 70, a rear spring 71 and a cabinet 72 vehicle shelter wall.

Detailed Description

The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1, the vehicle-mounted cabinet back shock absorber capable of buffering multidirectional vibration of the invention is composed of a front assembly 1, a middle assembly 2 and a rear assembly 3. The front assembly 1 is used for buffering vibration in an x-axis direction (a vehicle running direction), the middle assembly 2 is used for buffering vibration in a y-axis direction (a direction forming an included angle of 90 degrees with the vehicle running direction in a horizontal plane) and torsional vibration in the x-axis direction, the y-axis direction and the z-axis direction, and the rear assembly 3 is used for buffering vibration in the z-axis direction (a vehicle vertical direction).

Referring to fig. 2, the middle assembly 2 is connected to the front connection hole 4 of the front assembly 1 through 6 middle connection holes 6 and 6 bolts 5. The middle assembly 2 is connected with 8 rear guide pins 8 of the rear assembly 3 through 8 rear guide pin holes 7.

Referring to fig. 3, the front assembly of the present invention includes a front housing 9, 2 front fixing plates 10, 2 rear fixing plates 11, 1 front first- layer spring assembly 12, 1 front second- layer spring assembly 13, 1 front third- layer spring assembly 14, 1 front fourth- layer spring assembly 15, and 1 movable plate 16. The front first layer spring assembly 12, the front second layer spring assembly 13, the front third layer spring assembly 14 and the front fourth layer spring assembly 15 are arranged between the 2 front fixing plates 10 and the 2 rear fixing plates 11 from top to bottom. The 2 front fixing plates 10 and the 2 rear fixing plates 11 are mounted in the front case 9 by screws.

Referring to fig. 4, the front fixing plate of the present invention is uniformly distributed from top to bottom: the first mounting hole 17 of 1 preceding fixed plate, 1 preceding fixed plate second mounting hole 18, 1 preceding fixed plate third mounting hole 19, 1 preceding fixed plate fourth mounting hole 20 and 1 preceding fixed plate first layer spring guide 21 and 1 preceding fixed plate fourth layer spring guide 22. And a front fixing plate first layer spring guide seat 21 is welded at the front fixing plate first mounting hole 17. And a front fixing plate fourth layer spring guide seat 22 is welded at the front fixing plate fourth mounting hole 20.

Referring to fig. 5, the rear fixing plates of the present invention are uniformly distributed from top to bottom: 1 first mounting hole 23 of back fixed plate, 1 second mounting hole 24 of back fixed plate, 1 third mounting hole 25 of back fixed plate, 1 fourth mounting hole 26 of back fixed plate and 1 second layer spring guide 27 and 1 third layer spring guide 28 of back fixed plate. And a second layer spring guide seat 27 of the rear fixing plate is welded at the second mounting hole 24 of the rear fixing plate. And a third layer of spring guide seat 28 of the rear fixing plate is welded at the third mounting hole 25 of the rear fixing plate.

Referring to fig. 6, the front first layer spring assembly, the front second layer spring assembly, the front third layer spring assembly and the front fourth layer spring assembly of the present invention have the same structure, and each of the front first, second, third and fourth layer spring assemblies includes 1 bow plate 29, 2 front spring fixing shafts 32, 2 front springs 33 and 2 front guide pins 34. The left and right ends of the bow plate 29 are respectively provided with 1 front spring mounting hole 30 and 1 front spring fixing seat 31. The 2 front spring fixing shafts 32 are respectively connected with the front spring fixing shaft mounting holes 30 at the left and right ends of the arched plate 29 in a matching manner. The 2 front springs 33 are installed on the 2 front spring fixing shafts 32 and are in fit connection with the front spring fixing seats 31 at the left and right ends of the arched plate 29. The bow plate 29 is centrally provided with 2 front guide pins 34.

Referring to fig. 7, the front movable plate of the present invention includes 2 front first tier spring guide pin holes 35, 2 front second tier spring guide pin holes 36, 2 front third tier spring guide pin holes 37, and 2 front fourth tier spring guide pin holes 38.

Referring to fig. 3, 6 and 7, the front guide pins 34 of the front first layer spring assemblies 12, the front second layer spring assemblies 13, the front third layer spring assemblies 14 and the front fourth layer spring assemblies 15 respectively correspond to the front first layer spring guide pin holes 35, the front second layer spring guide pin holes 36, the front third layer spring guide pin holes 37 and the front fourth layer spring guide pin holes 38 of the movable plate 16 of the present invention.

Referring to fig. 8, the front first layer spring assembly 12 of the present invention is correspondingly connected to the 2 front fixing plate first mounting holes 17 and the 2 rear fixing plate first mounting holes 23 through the 2 front spring fixing shafts 32. The front fourth layer spring assembly 15 is correspondingly connected with the 2 front fixing plate fourth mounting holes 20 and the 2 rear fixing plate fourth mounting holes 26 through the 2 front spring fixing shafts 32. The front first and fourth tier spring assemblies have an arcuate plate 29 mounted to the front of the movable plate 16.

Referring to fig. 9, the front second layer spring assembly 13 of the present invention is correspondingly connected to the 2 front fixing plate second mounting holes 18 and the 2 rear fixing plate second mounting holes 24 through the 2 front spring fixing shafts 32. The front third-layer spring assembly 14 is correspondingly connected with the 2 front fixing plate third mounting holes 19 and the 2 rear fixing plate third mounting holes 25 through the 2 front spring fixing shafts 32. The bow plate 29 of the second and third layers of spring assemblies is mounted at the rear of the movable plate 16.

Referring to fig. 8 and 9, the front first layer spring assembly 12 and the front fourth layer spring assembly 15 of the present invention are installed between the front fixing plate 10 and the rear fixing plate 11 in the opposite direction with respect to the front second layer spring assembly 13 and the front third layer spring assembly 14.

Referring to fig. 10, when the front assembly of the present invention receives the reverse force in the x-axis direction (driving direction), the movable plate 16 pushes the middle bow plate 29 of the front first layer spring assembly 12 and the front fourth layer spring assembly 15, and the front first layer spring assembly 12 and the front fourth layer spring assembly 15 are compressed to buffer the reverse force in the x-axis direction. The front second layer spring assembly 13 and the front third layer spring assembly 14 are in a free state.

Referring to fig. 11, when the front assembly of the present invention receives a force in the x-axis direction (driving direction), the movable plate 16 pushes the middle arched plates 29 of the front second layer spring assembly 13 and the front third layer spring assembly 14, and the front second layer spring assembly 13 and the front third layer spring assembly 14 are in a compressed state, so as to buffer the force in the x-axis direction. The front first layer spring assembly 12 and the front fourth layer spring assembly 15 are in a free state.

Referring to fig. 12, the middle assembly of the present invention is composed of a front connector 39, 2 middle springs 40, a sphere upper housing 41, a sphere 42, a sphere lower housing 43, a middle connecting shaft 44, a fixing pin 45, and a rear connector 46. The lower ball housing 43 is fixedly connected to the front connecting piece 39. The middle connecting shaft 44 passes through the 2 middle springs 40, the ball upper housing 41, the ball 42, and the ball lower housing 43 and is fixed to the rear connecting member 46 by upper and lower fixing pins 45. The 2 middle springs 40 are used for buffering vibration in the z-axis direction (the vertical direction of the vehicle), and the ball 42 is installed in a hemispherical dimple in the upper ball shell 41 and the lower ball shell 43, can rotate in any direction and is used for buffering torsional vibration in the circumferential direction of the z-axis. The ball upper case 41 is connected to the ball lower case 43 by screws.

Referring to fig. 13, the rear assembly of the present invention includes a rear housing 47, a left fixing plate 48, a right fixing plate 49, a rear first layer spring assembly 50, a rear second layer spring assembly 51, a rear third layer spring assembly 52, and a rear fourth layer spring assembly 53. The rear first layer spring assembly 50, the rear second layer spring assembly 51, the rear third layer spring assembly 52 and the rear fourth layer spring assembly 54 are arranged between the left fixing plate 48 and the right fixing plate 49 from top to bottom. The left and right fixing plates 48 and 49 are fixed in the rear housing 47 by screws.

Referring to fig. 14, the left fixing plate of the present invention is uniformly distributed from top to bottom: 2 left fixing plate first mounting holes 54, 2 left fixing plate second mounting holes 55, 2 left fixing plate third mounting holes 56, 2 left fixing plate fourth mounting holes 57, and 2 left fixing plate first layer spring guide seats 58 and 2 left fixing plate fourth layer spring guide seats 59. And a left fixing plate first layer spring guide seat 58 is welded at the 2 left fixing plate first mounting holes 54. And a left fixing plate fourth layer spring guide seat 59 is welded at 2 left fixing plate fourth mounting holes 57.

Referring to fig. 15, the right fixing plate of the present invention is uniformly distributed from top to bottom: 2 right fixed plate first mounting holes 60, 2 right fixed plate second mounting holes 61, 2 right fixed plate third mounting holes 62, 2 right fixed plate fourth mounting holes 63 and 2 right fixed plate second layer spring guide seats 64 and 2 right fixed plate third layer spring guide seats 65. And a right fixing plate second layer spring guide seat 64 is welded at the 2 right fixing plate second mounting holes 61. And a third layer of spring guide seat 65 of the right fixing plate is welded at the 2 third mounting holes 62 of the right fixing plate.

Referring to fig. 16, the rear first layer spring assembly, the rear second layer spring assembly, the rear third layer spring assembly and the rear fourth layer spring assembly of the present invention have the same structural form, and each of the rear first, second, third and fourth layer spring assemblies includes 1Z-shaped plate 66, 2 rear spring fixing shafts 69, 2 rear springs 70 and 2 rear guide pins 8. On the long side of the Z-shaped plate 66 there are 2 rear spring fixing shaft mounting holes 68 and 2 rear spring fixing seats 67. The 2 rear spring fixing shafts 69 are respectively fitted and coupled with the rear spring fixing shaft mounting holes 68 of the Z-shaped plate 66. The 2 rear springs 70 are installed on the 2 rear spring fixing shafts 69 and are in fit connection with the rear spring fixing seats 67 of the Z-shaped plate 66. On the short side of the Z-shaped plate 66 are mounted 2 rear guide pins 8.

Referring to fig. 17, the rear first layer spring assembly 50 of the present invention is correspondingly connected to the left fixing plate first mounting holes 54 of the left fixing plate 48 and the right fixing plate first mounting holes 60 of the right fixing plate 49 through the rear spring fixing shafts 69. The rear fourth layer spring assembly 53 is correspondingly connected with the 2 left fixing plate fourth mounting holes 57 on the left fixing plate 48 and the 2 right fixing plate fourth mounting holes 63 on the right fixing plate 49 through the 2 rear spring fixing shafts 69. The Z-shaped plate 66 of the rear first and fourth layer spring assemblies is mounted to the left of the rear attachment 46.

Referring to fig. 18, the rear second layer spring assembly 51 of the present invention is correspondingly connected to the 2 left fixing plate second mounting holes 55 of the left fixing plate 48 and the 2 right fixing plate second mounting holes 61 of the right fixing plate 49 through the 2 rear spring fixing shafts 69. The rear third-layer spring assembly 52 is correspondingly connected with the 2 left fixing plate third mounting holes 56 on the left fixing plate 48 and the 2 right fixing plate third mounting holes 62 on the right fixing plate 49 through the 2 rear spring fixing shafts 69. The rear second and third tier spring mounting assemblies have a Z-shaped plate 66 mounted to the right of the rear attachment member 46.

Referring to fig. 17 and 18, the rear first layer spring assembly 50 and the rear fourth layer spring assembly 53 of the present invention are installed between the left fixing plate 48 and the right fixing plate 49 in the opposite direction with respect to the rear second layer spring assembly 51 and the rear third layer spring assembly 52.

Referring to fig. 19, when the rear assembly of the present invention receives a force in the y-axis direction (in the horizontal plane, the vehicle traveling direction is zero degrees, and the vehicle travels 90 degrees to the right), the rear connecting member 46 pushes the Z-shaped plates 66 in the rear first layer spring assembly 50 and the rear fourth layer spring assembly 53, and the rear first layer spring assembly 50 and the rear fourth layer spring assembly 53 are in a compressed state, so as to buffer the force in the y-axis direction. The rear second layer spring assembly 51 and the rear third layer spring assembly 52 are in a free state.

Referring to fig. 20, when the rear assembly of the present invention receives a reverse force in the y-axis direction (in the horizontal plane, the vehicle driving direction is zero degrees, and the vehicle driving direction is 90 degrees to the right), the rear connecting member 46 pushes the Z-shaped plates 66 in the rear second layer spring assembly 51 and the rear third layer spring assembly 52, and the rear second layer spring assembly 51 and the rear third layer spring assembly 52 are in a compressed state, so as to buffer the reverse force in the y-axis direction. The rear first layer spring unit 50 and the rear fourth layer spring unit 53 are in a free state.

Referring to fig. 21, when the present invention is installed in the upper rear portion of the cabinet 71, the front assembly 1 is connected to the vehicle cabin wall 72, and the rear assembly 3 is connected to the rear portion of the cabinet 71.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.