CN109910779B - Lightweight plastic sheet for automobile lining - Google Patents
Lightweight plastic sheet for automobile lining Download PDFInfo
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- CN109910779B CN109910779B CN201910237700.5A CN201910237700A CN109910779B CN 109910779 B CN109910779 B CN 109910779B CN 201910237700 A CN201910237700 A CN 201910237700A CN 109910779 B CN109910779 B CN 109910779B
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Abstract
The invention belongs to the technical field of plastic sheets, and particularly relates to an automobile lining lightweight plastic sheet which comprises a plate, a cavity, a rebound module and a buffer module; the board is provided with a plurality of rebounding modules, the inner side of the board is provided with a cavity, and the inner side of the cavity is positioned between every two adjacent rebounding modules and is provided with a buffering module; the rebound module comprises a first elastic plate group, a second elastic plate group, an extrusion spring and a rebound unit; one end of the first elastic plate group is fixedly connected with the inner wall of the plate above the cavity; the second elastic plate group is fixedly connected with the other end of the first elastic plate group; the rebound unit is arranged on the inner side of the second elastic plate group; the buffer module comprises flat wire springs, rectangular sleeves and stop blocks, the buffer module is formed by mutually splicing a plurality of flat wire springs, and the flat wire springs at two ends of the buffer module are fixedly connected with the adjacent elastic plate groups respectively. The invention can improve the buffering efficiency of the plate and prolong the service life of the plate.
Description
Technical Field
The invention belongs to the technical field of plastic sheets, and particularly relates to a light-weight plastic sheet for an automobile lining.
Background
In the prior art, automobile exterior parts such as front and rear automobile walls, large automobile walls, bumpers, face shields, fender panels and the like are generally made of metal and thermosetting fiber reinforced composite materials or thermoplastic plastics. The thermosetting fiber reinforced composite material has high density, cannot be recycled after molding, and causes increasingly serious environmental problems along with the continuous increase of the automobile holding capacity. In order to adapt to the development trend of energy conservation, environmental protection and light weight in the automobile industry, the development of a light and coating-free composite sheet structure for automobile exterior decoration becomes a hot spot concerned by the automobile and related industries. The thermoplastic fiber reinforced composite material can be subjected to secondary molding after being melted by heat, so that the thermoplastic fiber reinforced composite material can be recycled and becomes a competitive development object in the material world, and the strength is insufficient due to low content of the thermoplastic fiber reinforced plastic such as fiber; the high fiber content can result in uneven product surfaces.
Although the lightweight exterior trim for automobiles can reduce the self weight of automobiles, new technologies, new materials and new products have been developed around the aspects of energy saving, material saving, environmental protection, cost reduction, and improvement of basic performances such as dynamic performance, economy, reliability, safety and comfort. The automobile light weight technology is one of effective methods for saving energy and improving the running performance. However, the use of the lightweight material reduces the protection efficiency of the automobile body, the lightweight material is easy to wear and damage due to stone impact in the using process, and the service life is reduced.
Disclosure of Invention
In order to make up for the defects of the prior art, the light-weight plastic sheet for the automobile lining provided by the invention can enable the sheet to generate an acting force opposite to the impact force of stones through the matching use of the first elastic plate group, the second elastic plate group and the rebounding unit, so that the sheet is buffered and protected, and the sheet is buffered by utilizing the extension between adjacent flat wire springs at the inner side of the sheet under the action of the rectangular sleeve, so that the first elastic plate group is sequentially pushed to weaken the impact force of the stones layer by layer, and the buffering efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a light-weight plastic sheet for an automobile lining, which comprises a plate, a cavity, a rebound module and a buffer module, wherein the cavity is formed by a plurality of cavities; the plate is provided with a plurality of rebounding modules, the inner side of the plate is provided with a cavity, and a buffer module is arranged between every two adjacent rebounding modules on the inner side of the cavity; wherein the content of the first and second substances,
the rebound module comprises a first elastic plate group, a second elastic plate group, an extrusion spring and a rebound unit; one end of the first elastic plate group is fixedly connected with the inner wall of the plate below the cavity, the other end of the first elastic plate group is fixedly connected with the inner wall of the plate above the cavity, and the outer side of one end of the first elastic plate group below the cavity is fixedly connected with the inner wall of the plate above the cavity through a pull rope; the second elastic plate group is fixedly connected with one end of the first elastic plate group, and the top end of the second elastic plate group is positioned on the inner side of the first elastic plate group; the rebound unit is arranged on the inner side of the second elastic plate group, and an extrusion spring is fixedly connected between the top of the rebound unit and the inner wall of the plate;
the buffer module comprises flat wire springs, rectangular sleeves and stop blocks, the buffer module is formed by mutually splicing a plurality of flat wire springs, and the flat wire springs at two ends of the buffer module are fixedly connected with the adjacent first elastic plate group respectively; one end of each flat wire spring is fixedly connected with the rectangular sleeve, the other end of each flat wire spring is fixedly connected with the stop block, and every two adjacent flat wire springs are connected in a sliding mode through the rectangular sleeve. When the vehicle runs, stones clamped in wheel gaps are separated from the wheels in a high-speed motion state, the stones are thrown out and collide with the plates arranged at the positions of the wheels instantly, when the stones collide at one side of the plates, the adjacent flat wire springs at the inner sides of the plates are stretched and buffered under the action of the rectangular sleeves, so that the impact force of the elastic plate group on the stones is sequentially pushed to weaken layer by layer, the buffering efficiency is improved, the rectangular sleeves slide along spiral paths of the flat wire springs, the stop blocks avoid the separation of the adjacent flat wire springs, the flat wire springs rotate to unload force, meanwhile, the parts of the plates, which collide with the stones, arch up, so that the elastic plate group II around the collision points are deformed, the rebound units are released and are extruded towards the inner sides of the plates, and the rebound units move upwards to the middle parts of the elastic plate group instantly, the middle part of an elastic plate group is propped up, the other end of the elastic plate group is close to each other, thereby the pulling stay cord exerts downward pulling force on the part that panel and an elastic plate group one end are connected, the one end of an elastic plate group is bent to the direction close to the buffer module, the two combines and offsets the impulsive force generated when stone strikes the panel, after the buffering is finished, an elastic plate group recovers deformation, thereby the rebound unit is extruded, then the elastic plate group is connected with the second elastic plate group again under the effect of the extrusion spring, thus the buffer effect of the panel is effectively improved, and the service life of the panel is prolonged.
Preferably, the rebounding unit comprises a first elastic spherical surface, a second elastic spherical surface and a rotary packing auger; an elastic film is arranged between the first elastic spherical surface and the second elastic spherical surface, and the bottom end of the first elastic spherical surface is rotatably connected with a rotary auger; a first through groove is formed in the wall thickness of each of two ends of the second elastic spherical surface, a spiral sleeve is fixedly connected to the inner side of one end, away from the center of the second elastic spherical surface, of each first through groove, and the spiral sleeve is meshed with the rotary auger; when stones impact on the second elastic spherical surface, the second elastic spherical surface moves towards the first elastic spherical surface, the auger is rotated due to the fact that the auger is rotated to be meshed with the spiral sleeve, the auger is rotated to buffer the second elastic spherical surface on the one hand, on the other hand, when the stones are in large quantity, the stones impact on the outer side of the auger, the elastic film prevents the stones from entering the inner side of the first elastic spherical surface, at the moment, the auger is rotated to apply acting force to the stones during rotation, the motion trail of the stones can be changed, the probability that the stones rebound to the plate is effectively reduced, and the service life of the plate is prolonged.
Preferably, the inner diameter of the first through groove is larger than that of the spiral sleeve; when the rotary packing auger rotates, the rotary packing auger moves to the inner side of the first through groove under the action of the spiral sleeve, and the inner side part of the first through groove, which is close to the center of the second elastic spherical surface, is extruded mutually, so that the outer diameter of the rotary packing auger of the part is increased to be in contact with the inner wall of the first through groove, the second elastic spherical surface is supported in an auxiliary manner, and the strength of the second elastic spherical surface is improved.
Preferably, a rotating column is rotatably connected to the inner wall of one end, close to the center of the second elastic spherical surface, of the first through groove, and a winding rope is wound on the rotating column; a second through groove is formed in the wall thickness of each of two ends of the second elastic spherical surface corresponding to the position of the first through groove, an arc-shaped elastic rod is arranged on the inner side of the second through groove, one end of the arc-shaped elastic rod is fixedly connected with one end of the coiled rope, and a compression spring is arranged between one end of the arc-shaped elastic rod and the inner wall of the second through groove; when rotating the auger and rotating, the drive rotates the post and rotates, rotate the post and release the serving when rotating, this moment, arc elastic rod slides under compression spring's effect, thereby stretch out the inboard in through groove No. two, arc elastic rod can block the stone at the in-process that stretches out, and can change the motion trail when the stone striking is on arc elastic rod, reduce the probability of stone striking on panel, the arc elastic rod protects the rotation auger after stretching out completely, the life who rotates the auger has been prolonged, when No. two elasticity spheres reset, rotate auger antiport, make to rotate the post and carry out the rolling to the serving, thereby pulling arc elastic rod retrieves the inboard in through groove No. two.
Preferably, when the arc-shaped elastic rod is positioned on the inner side of the second through groove, the corresponding circle center is positioned on one side of the first elastic spherical surface, and when the arc-shaped elastic plate is positioned on the outer side of the second through groove, the corresponding circle center is positioned on the other side of the first elastic spherical surface; when the arc elastic rod stretches out the in-process that leads to the groove No. two, the arc elastic rod is located the one end reverse deformation that leads to the groove the outside No. two, and at this moment, the arc elastic rod is the S type and sets up cloth, and the one end that the arc elastic rod is located the groove the outside No. two blocks the stone, and can reverse motion after the stone striking, can with the emergence collision between the later stone to reduce the number of hits that panel received the stone, reduce the loss of panel.
Preferably, the cushion module further comprises a squeeze airbag; the extrusion air bags are arranged between two adjacent spring coils of the flat wire spring in a staggered mode and are used for buffering the plate; when the flat wire spring rotates, the distance between two adjacent spring coils of the flat wire spring is reduced, so that the extrusion air bag is extruded, the volume of the extrusion air bag is increased to be in contact with the inner wall of the plate, the plate is buffered in an auxiliary mode, and the buffering efficiency of the buffering module is improved.
Preferably, the buffer module further comprises a telescopic air bag; the telescopic air bags are arranged at the connecting positions of two adjacent flat wire springs, one end of each telescopic air bag is fixedly connected with one side of the rectangular sleeve, the other end of each telescopic air bag is communicated with the extrusion air bag through a hose, and each telescopic air bag is used for pushing the rectangular sleeve to slide; when the extrusion gasbag received the extrusion, the inside of the leading-in flexible gasbag of partial air in the extrusion gasbag inner chamber through the hose, flexible gasbag aerifys the back and extends, can promote rectangle cover reverse slip, has reduced the connection length between two adjacent flat wire springs, can make two adjacent flat wire springs support the inner wall of cavity both sides respectively like this, effectively improves the efficiency of buffering, improves the intensity of panel.
The invention has the following beneficial effects:
1. according to the invention, the first elastic plate group, the second elastic plate group and the rebound unit are matched for use, so that the plate can generate an acting force opposite to the impact force of the stone, the plate is buffered and protected, and the adjacent flat wire springs at the inner side of the plate are extended under the action of the rectangular sleeve for buffering, so that the first elastic plate group is sequentially pushed to weaken the impact force of the stone layer by layer, and the buffering efficiency is improved.
2. According to the invention, the first elastic spherical surface, the second elastic spherical surface and the rotary packing auger are matched for use, so that the motion track of the stones can be changed, the probability of the stones rebounding to the plate is effectively reduced, the service life of the plate is prolonged, the rotary packing auger adjusts the position of the arc-shaped elastic plate, can block the stones, the probability of the stones impacting on the plate is reduced, the rotary packing auger is protected after the arc-shaped elastic rod completely extends out, and the service life of the rotary packing auger is prolonged.
3. According to the invention, the extrusion air bags and the telescopic air bags are arranged on the flat wire spring in an interlaced manner, the sheet material is conveniently supported in an auxiliary manner by the extrusion air bags, and the inner walls of two sides of the cavity are supported by the flat wires by the telescopic air bags, so that the buffering efficiency is effectively improved, and the strength of the sheet material is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged, fragmentary, schematic view at A of FIG. 1 of the present invention;
FIG. 3 is an enlarged, fragmentary, schematic view at B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged, fragmentary, schematic view at C of FIG. 2 of the present invention;
in the figure: the elastic bouncing device comprises a plate 1, a cavity 11, a bouncing module 2, a first elastic plate group 21, a second elastic plate group 22, an extrusion spring 23, a bouncing unit 24, a first elastic spherical surface 241, a second elastic spherical surface 242, a rotating auger 243, a first through groove 244, a spiral sleeve 245, a second through groove 246, an arc-shaped elastic rod 247, a buffer module 3, a flat wire spring 31, a rectangular sleeve 32, a stop block 33, an extrusion air bag 34, a telescopic air bag 35, a rotating column 4 and a rolling rope 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, an automotive lining lightweight plastic sheet comprises a plate 1, a cavity 11, a rebound module 2 and a buffer module 3; the plate 1 is provided with a plurality of rebounding modules 2, the inner side of the plate 1 is provided with a cavity 11, and the inner side of the cavity 11 is provided with a buffer module 3 between two adjacent rebounding modules 2; wherein the content of the first and second substances,
the rebound module 2 comprises a first elastic plate group 21, a second elastic plate group 22, an extrusion spring 23 and a rebound unit 24; one end of the first elastic plate group 21 is fixedly connected with the inner wall of the plate 1 below the cavity 11, the other end of the first elastic plate group 21 is fixedly connected with the inner wall of the plate 1 above the cavity 11, and the outer side of one end of the first elastic plate group 21 below the cavity 11 is fixedly connected with the inner wall of the plate 1 above the cavity 11 through a pull rope; the second elastic plate group 22 is fixedly connected with one end of the first elastic plate group 21, and the top end of the second elastic plate group 22 is positioned on the inner side of the first elastic plate group 21; the rebound unit 24 is arranged on the inner side of the second elastic plate group 22, and an extrusion spring 23 is fixedly connected between the top of the rebound unit 24 and the inner wall of the plate 1;
the buffer module 3 comprises flat wire springs 31, rectangular sleeves 32 and stop blocks 33, the buffer module 3 is formed by splicing a plurality of flat wire springs 31, and the flat wire springs 31 at two ends of the buffer module 3 are fixedly connected with the adjacent first elastic plate group 21 respectively; one end of each flat wire spring 31 is fixedly connected with the rectangular sleeve 32, the other end of each flat wire spring 31 is fixedly connected with the stop block 33, and every two adjacent flat wire springs 31 are connected in a sliding mode through the rectangular sleeve 32. When the vehicle runs, stones clamped in wheel gaps are separated from the wheels in a high-speed motion state, the stones are thrown out and collide with the plate 1 arranged at the position of the wheels instantly, when the stones collide with one side of the plate 1, adjacent flat wire springs 31 on the inner side of the plate 1 are extended and buffered under the action of the rectangular sleeve 32, so that the first elastic plate group 21 is sequentially pushed to weaken the impact force of the stones layer by layer, the buffering efficiency is improved, the rectangular sleeve 32 slides along the spiral path of the flat wire springs 31, the stop blocks 33 avoid the separation of the two adjacent flat wire springs 31, the flat wire springs 31 rotate to discharge the force, meanwhile, the part of the plate 1, which collides with the stones, is arched, so that the second elastic plate group 22 around the collision point deforms, the rebound unit 24 is released, and the rebound unit 24 is extruded towards the inner side of the plate 1, the rebounding unit 24 moves upwards to the middle of the first elastic plate group 21 instantly, the middle of the first elastic plate group 21 is supported, the other end of the first elastic plate group 21 is close to each other, so that a pulling rope is pulled to apply downward pulling force to a part, connected with one end of the first elastic plate group 21, of the plate 1, one end of the first elastic plate group 21 is bent towards a direction close to the buffer module 3, the first elastic plate group and the second elastic plate group are combined to offset impact force generated when stones strike the plate 1, after buffering is finished, the first elastic plate group 21 recovers to deform, the rebounding unit 24 is extruded out, and then the rebounding unit is connected with the second elastic plate group 22 again under the action of the extrusion spring 23, so that the buffering effect of the plate 1 is effectively improved, and the service life of.
The rebounding unit 24 comprises a first elastic spherical surface 241, a second elastic spherical surface 242 and a rotary auger 243; an elastic film is arranged between the first elastic spherical surface 241 and the second elastic spherical surface 242, and the bottom end of the first elastic spherical surface 241 is rotatably connected with a rotating auger 243; a first through groove 244 is formed in the wall thickness of each of two ends of the second elastic spherical surface 242, a spiral sleeve 245 is fixedly connected to the inner side of one end, away from the center of the second elastic spherical surface 242, of the first through groove 244, and the spiral sleeve 245 is meshed with the rotary auger 243; when the stones impact on the second elastic spherical surface 242, the second elastic spherical surface 242 moves towards the first elastic spherical surface 241, the rotating auger 243 is meshed with the spiral sleeve 245, the rotating auger 243 rotates, the second elastic spherical surface 242 is buffered by the rotating auger 243, on one hand, when the number of the stones is large, the stones impact on the outer side of the rotating auger 243, the elastic film prevents the stones from entering the inner side of the first elastic spherical surface 241, and at the moment, acting force is applied to the stones when the rotating auger 243 rotates, the movement track of the stones can be changed, so that the probability that the stones rebound to the plate 1 is effectively reduced, and the service life of the plate 1 is prolonged.
The inner diameter of the first through groove 244 is larger than that of the spiral sleeve 245; when the rotary packing auger 243 rotates, the rotary packing auger 243 moves to the inner side of the first through groove 244 under the action of the spiral sleeve 245, and the inner side part of the first through groove 244, which is close to the center of the second elastic spherical surface 242, is extruded mutually, so that the outer diameter of the rotary packing auger 243 is increased to be in contact with the inner wall of the first through groove 244, the second elastic spherical surface 242 is supported in an auxiliary manner, and the strength of the second elastic spherical surface 242 is improved.
The inner wall of one end of the first through groove 244 close to the center of the second elastic spherical surface 242 is rotatably connected with a rotating column 4, and a winding rope 5 is wound on the rotating column 4; a second through groove 246 is formed in the wall thickness of each of two ends of the second elastic spherical surface 242 at a position corresponding to the first through groove 244, an arc-shaped elastic rod 247 is arranged on the inner side of the second through groove 246, one end of the arc-shaped elastic rod 247 is fixedly connected with one end of the coiled rope 5, and a compression spring is arranged between one end of the arc-shaped elastic rod 247 and the inner wall of the second through groove 246; when rotating auger 243 and rotating, drive and rotate post 4 and rotate, rotate post 4 and release serving as reasons to the serving as reasons, at this moment, arc elastic rod 247 slides under compression spring's effect, thereby stretch out the inboard of No. two logical groove 246, arc elastic rod 247 can block the stone at the in-process that stretches out, and can change the orbit of motion when the stone striking is on arc elastic rod 247, reduce the probability of stone striking on panel 1, arc elastic rod 247 protects rotating auger 243 after stretching out completely, the life of rotating auger 243 has been prolonged, when No. two elastic sphere 242 resets, rotate auger 243 reverse rotation, make and rotate post 4 and carry out the rolling to serving as reasons, thereby pulling arc elastic rod 247 retrieves the inboard that leads to No. two logical groove 246.
When the arc-shaped elastic rod 247 is positioned at the inner side of the second through groove 246, the corresponding circle center is positioned at one side of the first elastic spherical surface 241, and when the arc-shaped elastic plate is positioned at the outer side of the second through groove 246, the corresponding circle center is positioned at the other side of the first elastic spherical surface 241; when the arc elastic rod 247 extends out of the second through groove 246, one end, located outside the second through groove 246, of the arc elastic rod 247 reversely deforms, at the moment, the arc elastic rod 247 is arranged in an S shape, one end, located outside the second through groove 246, of the arc elastic rod 247 blocks stones, the stones can move reversely after being impacted, and can collide with the later stones, so that the number of the stones impacted on the plate 1 is reduced, and loss of the plate 1 is reduced.
The cushion module 3 further comprises a squeeze airbag 34; the extrusion air bags 34 are arranged between two adjacent spring coils of the flat wire spring 31 in a staggered mode, and the extrusion air bags 34 are used for buffering the plate 1; when the flat wire spring 31 rotates, the distance between two adjacent coils of the flat wire spring 31 is reduced, so that the extrusion air bag 34 is extruded, the volume of the extrusion air bag 34 is increased to be in contact with the inner wall of the plate 1, the plate 1 is buffered in an auxiliary mode, and the buffering efficiency of the buffering module 3 is improved.
The buffer module 3 further comprises a telescopic air bag 35; the telescopic air bag 35 is arranged at the connecting position of two adjacent flat wire springs 31, one end of the telescopic air bag 35 is fixedly connected with one side of the rectangular sleeve 32, the other end of the telescopic air bag 35 is communicated with the extrusion air bag 34 through a hose, and the telescopic air bag 35 is used for pushing the rectangular sleeve 32 to slide; when extrusion gasbag 34 receives the extrusion, the inside of the leading-in flexible gasbag 35 of partial air in the 34 inner chambers of extrusion gasbag through the hose, flexible gasbag 35 expands after aerifing, can promote rectangle cover 32 reverse slip, has reduced the connection length between two adjacent flat wire springs 31, can make two adjacent flat wire springs 31 support the inner wall of cavity 11 both sides respectively like this, effectively improves the efficiency of buffering, improves the intensity of panel 1.
When the vehicle runs, stones clamped in wheel gaps are separated from the wheels in a high-speed motion state, the stones are thrown out and collide with the plate 1 arranged at the position of the wheels instantly, when the stones collide with one side of the plate 1, adjacent flat wire springs 31 on the inner side of the plate 1 are extended and buffered under the action of the rectangular sleeve 32, so that the first elastic plate group 21 is sequentially pushed to weaken the impact force of the stones layer by layer, the buffering efficiency is improved, the rectangular sleeve 32 slides along the spiral path of the flat wire springs 31, the stop blocks 33 avoid the separation of the two adjacent flat wire springs 31, the flat wire springs 31 rotate to discharge the force, meanwhile, the part of the plate 1, which collides with the stones, is arched, so that the second elastic plate group 22 around the collision point deforms, the rebound unit 24 is released, and the rebound unit 24 is extruded towards the inner side of the plate 1, the rebounding unit 24 moves upwards to the middle of the first elastic plate group 21 instantly, the middle of the first elastic plate group 21 is supported, the other end of the first elastic plate group 21 is close to each other, so that the pulling rope is pulled to apply downward pulling force to the part, connected with one end of the first elastic plate group 21, of the plate 1, one end of the first elastic plate group 21 is bent towards the direction close to the buffer module 3, the first elastic plate group and the second elastic plate group are combined to offset the impact force generated when the stone impacts the plate 1, after the buffering is finished, the first elastic plate group 21 recovers to deform, the rebounding unit 24 is extruded out, and then the rebounding unit is connected with the second elastic plate group 22 again under the action of the extrusion spring.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The light-weight plastic sheet for the automobile inner liner is characterized in that: comprises a plate (1), a cavity (11), a rebound module (2) and a buffer module (3); the plate (1) is provided with a plurality of rebounding modules (2), the inner side of the plate (1) is provided with a cavity (11), and the buffer module (3) is arranged between every two rebounding modules (2) on the inner side of the cavity (11); wherein the content of the first and second substances,
the rebound module (2) comprises a first elastic plate group (21), a second elastic plate group (22), an extrusion spring (23) and a rebound unit (24); one end of the first elastic plate group (21) is fixedly connected with the inner wall, located below the cavity (11), of the plate (1), the other end of the first elastic plate group (21) is fixedly connected with the inner wall, located above the cavity (11), of the plate (1), and the outer side of one end of the first elastic plate group (21), located below the cavity (11), is fixedly connected with the inner wall, located above the cavity (11), of the plate (1) through a pull rope; the second elastic plate group (22) is fixedly connected with one end of the first elastic plate group (21), and the top end of the second elastic plate group (22) is positioned on the inner side of the first elastic plate group (21); the rebound unit (24) is arranged on the inner side of the second elastic plate group (22), and an extrusion spring (23) is fixedly connected between the top of the rebound unit (24) and the inner wall of the plate (1);
the buffer module (3) comprises flat wire springs (31), rectangular sleeves (32) and stop blocks (33), the buffer module (3) is formed by mutually splicing a plurality of flat wire springs (31), and the flat wire springs (31) at two ends of the buffer module (3) are fixedly connected with the adjacent first elastic plate group (21) respectively; one end of each flat wire spring (31) is fixedly connected with the rectangular sleeve (32), the other end of each flat wire spring is fixedly connected with the stop block (33), and every two adjacent flat wire springs (31) are connected in a sliding mode through the rectangular sleeve (32).
2. The lightweight plastic sheet for automobile inner liners according to claim 1, wherein: the rebounding unit (24) comprises a first elastic spherical surface (241), a second elastic spherical surface (242) and a rotary packing auger (243); an elastic film is arranged between the first elastic spherical surface (241) and the second elastic spherical surface (242), and the bottom end of the first elastic spherical surface (241) is rotatably connected with a rotary packing auger (243); a first through groove (244) is formed in the wall thickness of each of the two ends of the second elastic spherical surface (242), the inner side, far away from one end of the center of the second elastic spherical surface (242), of the first through groove (244) is fixedly connected with a spiral sleeve (245), and the spiral sleeve (245) is meshed with the rotary packing auger (243).
3. The lightweight plastic sheet for automobile inner liners according to claim 2, wherein: the inner diameter of the first through groove (244) is larger than that of the spiral sleeve (245).
4. The lightweight plastic sheet for automobile inner liners according to claim 3, wherein: the inner wall of one end, close to the center of the second elastic spherical surface (242), of the first through groove (244) is rotatably connected with a rotating column (4), and a winding rope (5) is wound on the rotating column (4); no. two through grooves (246) are formed in the wall thickness of two ends of the second elastic spherical surface (242) corresponding to the position of the first through groove (244), an arc-shaped elastic rod (247) is arranged on the inner side of the second through groove (246), one end of the arc-shaped elastic rod (247) is fixedly connected with one end of the coiled rope (5), and a compression spring is arranged between one end of the arc-shaped elastic rod (247) and the inner wall of the second through groove (246).
5. The lightweight plastic sheet for automobile inner liners according to claim 4, wherein: when the arc-shaped elastic rod (247) is positioned on the inner side of the second through groove (246), the corresponding circle center is positioned on one side of the first elastic spherical surface (241), and when the arc-shaped elastic plate is positioned on the outer side of the second through groove (246), the corresponding circle center is positioned on the other side of the first elastic spherical surface (241).
6. The lightweight plastic sheet for automobile inner liners according to claim 1, wherein: the cushion module (3) further comprises a squeeze airbag (34); the extrusion air bags (34) are arranged between two adjacent coils of the flat wire spring (31) in a staggered mode, and the extrusion air bags (34) are used for buffering the plate (1).
7. The lightweight plastic sheet for automobile inner liners according to claim 6, wherein: the buffer module (3) further comprises a telescopic air bag (35); the telescopic air bag (35) is arranged at the connecting position of two adjacent flat wire springs (31), one end of the telescopic air bag (35) is fixedly connected with one side of the rectangular sleeve (32), the other end of the telescopic air bag (35) is communicated with the extrusion air bag (34) through a hose, and the telescopic air bag (35) is used for pushing the rectangular sleeve (32) to slide.
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| CN201910237700.5A CN109910779B (en) | 2019-03-27 | 2019-03-27 | Lightweight plastic sheet for automobile lining |
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| CN109910779A CN109910779A (en) | 2019-06-21 |
| CN109910779B true CN109910779B (en) | 2020-10-20 |
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| CN113118090B (en) * | 2021-03-25 | 2022-03-29 | 浙江农业商贸职业学院 | Automobile lighting equipment defogging device based on bad weather is used |
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| US6491999B1 (en) * | 1998-03-26 | 2002-12-10 | Rieter Automotive (International) Ag | Cabled covering part, a method for manufacturing such and means therefor |
| CN104742839A (en) * | 2013-12-27 | 2015-07-01 | 常州时代精工刃具有限公司 | Double-layer elastic vehicle bumper |
| CN107757538A (en) * | 2017-10-03 | 2018-03-06 | 刘瑞 | A kind of automobile mechanical impact attenuation device |
| CN108528359A (en) * | 2018-04-20 | 2018-09-14 | 刘兆云 | A kind of automobile engine protective device |
| CN207997831U (en) * | 2017-12-25 | 2018-10-23 | 天津国华塑胶有限公司 | Buffer block for automobile bumper |
-
2019
- 2019-03-27 CN CN201910237700.5A patent/CN109910779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6491999B1 (en) * | 1998-03-26 | 2002-12-10 | Rieter Automotive (International) Ag | Cabled covering part, a method for manufacturing such and means therefor |
| CN104742839A (en) * | 2013-12-27 | 2015-07-01 | 常州时代精工刃具有限公司 | Double-layer elastic vehicle bumper |
| CN107757538A (en) * | 2017-10-03 | 2018-03-06 | 刘瑞 | A kind of automobile mechanical impact attenuation device |
| CN207997831U (en) * | 2017-12-25 | 2018-10-23 | 天津国华塑胶有限公司 | Buffer block for automobile bumper |
| CN108528359A (en) * | 2018-04-20 | 2018-09-14 | 刘兆云 | A kind of automobile engine protective device |
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| CN109910779A (en) | 2019-06-21 |
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Effective date of registration: 20200921 Address after: 226600 industrial concentration zone, Qutang Town, Hai'an City, Nantong City, Jiangsu Province Applicant after: JIANGSU WEIERKE AUTOMOTIVE INTERIOR PARTS Co.,Ltd. Address before: 300356 Tianjin Deco Automobile Parts Co., Ltd. No. 4 Kodalu Road, Balitai Town, Jinnan District, Tianjin Applicant before: Wang Zhiqiang |
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