Structure-reinforced automobile rubber shock absorption block
Technical Field
The invention relates to a rubber shock absorption block, in particular to a structure-reinforced automobile rubber shock absorption block.
Background
The rubber damper block for an automobile is used for a rubber accessory for preventing or reducing various vibrations and noises generated during the running of the automobile. The engine system can be classified into seven categories, i.e., an engine system, a drive device, a steering device, a front and rear suspension system, a vehicle body system, an exhaust system, and other systems, depending on the location of use. The main function of the vibration absorber is to absorb and reflect the vibration energy generated by the vibration source and prevent the resonance effect generated by the vibration wave. Can be made of different rubbers according to requirements and is generally produced by adopting a die pressing method.
The existing automobile rubber shock absorption block is usually made of natural rubber and chloroprene rubber, although the elasticity and the shock absorption performance are good, the rigidity and the structural strength are poor, the bearing capacity and the energy absorption effect are also poor, the automobile rubber shock absorption block is easy to damage, and the service life is short.
For example, chinese patent No. CN206545662U, granted No. 2017.10.10, discloses a shock-absorbing device for a vacuum pump of an electric vehicle, which includes a rubber block, wherein metal plates are respectively fixedly attached to an upper surface and a lower surface of the rubber block; a screw is arranged in the middle of the metal plate, a through hole is formed in the middle of the metal plate, the screw penetrates through the through hole, the head of the screw is positioned between the metal plate and the rubber block and is welded and connected with the surface of one side, close to the rubber block, of the metal plate, and the screw rod of the screw faces the direction far away from the rubber block; the middle part of the surface of the rubber block is provided with a pit for accommodating a screw head of the screw; the thickness of the rubber block is larger than the sum of the depths of the pits on the two sides. The damping block is only provided with the metal plates on the upper surface and the lower surface of the rubber block, and the main body part of the damping block is still integral rubber, so that the damping block still has the defects of easy damage and short service life.
Disclosure of Invention
The invention aims to solve the problems of easy damage and short service life of the automobile rubber shock absorption block in the prior art, and provides the structure-reinforced automobile rubber shock absorption block which is good in rigidity and structural strength, strong in bearing capacity, good in energy absorption effect and long in service life.
In order to achieve the purpose, the invention adopts the following technical scheme: a structure-reinforced automobile rubber shock absorption block comprises a rubber block main body, a metal top plate fixed on the top surface of the rubber block main body and a metal bottom plate fixed on the bottom surface of the rubber block main body, and further comprises a rubber block main body and a buffer reinforcing structure arranged in the rubber block main body, wherein the buffer reinforcing structure comprises a left fixing plate and a right fixing plate which are oppositely arranged, the left fixing plate and the right fixing plate are both arranged along the width direction of the rubber block main body, the bottoms of the left fixing plate and the right fixing plate are fixed on the metal bottom plate, a supporting plate is arranged between the left fixing plate and the right fixing plate, the upper end of the supporting plate is fixedly connected with the metal top plate, the lower end of the supporting plate is connected with a spring buffer mechanism, a left reinforcing plate and a right reinforcing plate are fixed on two sides of the supporting plate, the upper ends of the left reinforcing plate and the right reinforcing plate are fixedly connected with the metal top plate, and the lower ends of the left reinforcing plate and the right reinforcing plate are fixedly connected with the supporting plate, elastic frameworks are arranged between the left reinforcing plate and the left fixing plate and between the right reinforcing plate and the right fixing plate. According to the invention, the buffer reinforcing structure and the elastic framework are added in the rubber block main body to improve the rigidity and the structural strength of the damping block, so that the bearing, energy absorption and damping performances of the damping block are effectively improved; the supporting plate, the left reinforcing plate and the right reinforcing plate are mutually matched, so that the rigidity and the overall strength of the rubber block are improved, and meanwhile, the inclined left reinforcing plate and the inclined right reinforcing plate can limit deformation generated to two sides when the rubber block main body is pressed, so that the rubber block main body is prevented from being torn, and the extrusion resistance and the tear resistance of the rubber block main body are improved; the left reinforcing plate and the right reinforcing plate can also disperse the pressure on the metal top plate and guide the pressure to the spring buffer mechanism and the elastic framework; spring buffer gear and the elastic skeleton mechanism that is located the backup pad both sides have the effect of buffering, can improve greatly and glue a main part and vertically and horizontal ascending bearing, buffer capacity, and long-time the use is difficult for also taking place to warp, helps improving the life of snubber block.
Preferably, the spring buffering mechanism comprises a buffering spring mounting seat and a pressing plate, the buffering spring mounting seat is fixed on the metal bottom plate, a spring mounting groove is formed in the buffering spring mounting seat, a plurality of buffering springs are arranged in the spring mounting groove at intervals, the pressing plate is arranged at the upper end of each buffering spring, and the lower end of the supporting plate extends into the buffering spring mounting seat and is fixedly connected with the pressing plate. Spring mount pad length is the same with gluey piece main part width, and buffer spring is provided with a plurality ofly to improve and bear, buffer capacity and structural stability.
As preferred, elastic framework includes along a plurality of elastic deformation circle that the rubber block main part width direction set up, elastic deformation circle includes first half circle and second half circle, on left side reinforcing plate and the left fixed plate, on right reinforcing plate and the right fixed plate homogeneous phase is equipped with fixed convex ridge relatively, constitute an elastic ring body on fixed convex ridge is fixed respectively at the both ends of first half circle and second half circle. The elastic deformation ring in the elastic framework can deform under the extrusion, so that the pressure on the left reinforcing plate and the right reinforcing plate is effectively dispersed, and the bearing capacity and the energy absorption effect of the invention are favorably improved.
Preferably, an upper rubber sound insulation friction pad is fixed on the top surface of the metal top plate.
Preferably, a lower rubber sound insulation friction pad is fixed on the bottom surface of the metal bottom plate.
Preferably, a connecting screw is further fixed to the bottom surface of the metal bottom plate.
Preferably, the thickness of the supporting plate is small at the top and large at the bottom.
Therefore, the invention has the following beneficial effects: the rubber block main body is internally provided with the buffering reinforcing structure, the spring buffering mechanism and the elastic framework, so that the damping block is good in rigidity and structural strength, strong in bearing capacity, good in damping and energy absorbing effects, long in service life and very suitable for being used in an automobile.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view taken along a-a of fig. 2.
Fig. 4 is a right side view of the resiliently deformable ring of fig. 3 in connection with a right mounting plate.
In the figure: the rubber block comprises a rubber block main body 1, a metal top plate 2, a metal bottom plate 3, a left fixing plate 4, a right fixing plate 5, a supporting plate 6, a left reinforcing plate 7, a right reinforcing plate 8, a buffer spring mounting seat 9, a pressing plate 10, a spring mounting groove 11, a buffer spring 12, an upper half ring 13, a lower half ring 14, a fixing convex ridge 15, an upper rubber sound insulation friction pad 16, a lower rubber sound insulation friction pad 17 and a connecting screw rod 18.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figures 1 and 2, the structurally reinforced automobile rubber shock absorption block comprises a rubber block main body 1, a metal top plate 2 fixed on the top surface of the rubber block main body and a metal bottom plate 3 fixed on the bottom surface of the rubber block main body, wherein an upper rubber sound insulation friction pad 16 is fixed on the top surface of the metal top plate, a lower rubber sound insulation friction pad 17 is fixed on the bottom surface of the metal bottom plate, a connecting screw 18 is further fixed on the bottom surface of the metal bottom plate, the structurally reinforced automobile rubber shock absorption block further comprises a rubber block main body and a buffer reinforcing structure arranged in the rubber block main body, the buffer reinforcing structure comprises a left fixing plate 4 and a right fixing plate 5 (shown in figure 3) which are oppositely arranged, the left fixing plate and the right fixing plate are both arranged along the width direction of the rubber block main body, the bottoms of the left fixing plate and the right fixing plate are fixed on the metal bottom plate, a support plate 6 is arranged between the left fixing plate and the right fixing plate, the thickness of the support plate is small at the top and the large bottom, and the upper end of the support plate is fixedly connected with the metal top plate, a spring buffer mechanism is arranged between the support plate and the metal floor, the spring buffer mechanism comprises a buffer spring mounting seat 9 and a pressing plate 10, the buffer spring mounting seat is fixed on the metal floor, a spring mounting groove 11 is arranged in the buffer spring mounting seat, a plurality of buffer springs 12 are arranged in the spring mounting groove at intervals, the pressing plate is arranged at the upper end of each buffer spring, the lower end of the support plate extends into the buffer spring mounting seat and is fixedly connected with the pressing plate, a left reinforcing plate 7 and a right reinforcing plate 8 are fixed at two sides of the support plate, the upper ends of the left reinforcing plate and the right reinforcing plate are fixedly connected with the metal top plate, the lower ends of the left reinforcing plate and the right reinforcing plate are fixedly connected with the support plate, an elastic framework is arranged between the left reinforcing plate and the left fixed plate and between the right reinforcing plate and the right fixed plate, the elastic framework comprises a plurality of elastic deformation rings (as shown in figure 4) arranged along the width direction of the rubber block main body, each elastic deformation ring comprises an upper half ring 13 and a lower half ring 14, the left reinforcing plate and the left fixing plate are provided with fixing convex ridges 15, and the right reinforcing plate and the right fixing plate are provided with fixing convex ridges 15, and two ends of the upper half ring and the lower half ring are respectively fixed on the fixing convex ridges to form an elastic ring body.
The damping principle of the invention is as follows: the damping block is fixed on a damping part on an automobile through the connecting screw rod, the metal top plate is a bearing pressed part, when the metal top plate is pressed, the pressure is transmitted to the buffer spring through the left reinforcing plate, the right reinforcing plate and the supporting plate, meanwhile, the pressure is transmitted to the elastic deformation ring through the left reinforcing plate and the right reinforcing plate, and the buffer spring and the elastic deformation ring can deform to a certain degree, so that the pressure is dispersed; simultaneously reinforcing plate, right reinforcing plate, left fixed block and right fixed block can restrict simultaneously and produce the deformation volume to both sides when gluing the piece main part pressurized, avoid gluing the piece main part and tear, improve the anti extrusion and the tear resistance of gluing the piece main part.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.