CN213619635U

CN213619635U - Novel sound-insulation and shock-absorption EVA rubber sheet material

Info

Publication number: CN213619635U
Application number: CN202022905130.3U
Authority: CN
Inventors: 王宪伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-06
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a novel sound-insulation and shock-absorption EVA rubber plate, which comprises a base plate, wherein two sides of the base plate are respectively bonded with one side of an upper plate and one side of a lower plate through a plurality of grooves, a plurality of bulges are fixedly connected with the top end of the upper plate in an equidistance way, through holes are arranged in the middle of the top ends of the bulges, intercommunicating holes are arranged on one side of the through holes, sound-absorbing grooves are arranged on one side of the intercommunicating holes, sound-absorbing cotton is bonded on the inner wall of the sound-absorbing grooves, a sound returning plate is bonded on one side of, and the inner cavity of the sound absorption groove is fixedly connected with a humanoid bracket, the novel sound-insulation shock-absorption EVA rubber sheet material of the utility model is a buffer plate which is matched by the upper plate, the lower plate, the sound absorption groove and the humanoid bracket, carry out the shock attenuation to the EVA board and strengthen, through protruding, inhale the sound groove, inhale the cooperation of sound cotton, return soundboard, intercommunicating pore and through-hole to further improve syllable-dividing effect.

Description

Novel sound-insulation and shock-absorption EVA rubber sheet material

Technical Field

The utility model relates to a EVA rubber sheet material equipment technical field specifically is a novel shock-absorbing EVA rubber sheet material gives sound insulation.

Background

The EVA material is a very common material, is a common material in daily life, and a finished product prepared by the EVA material has good flexibility, shock resistance, skid resistance and strong pressure resistance, such as common EVA slippers, cotton shoes, EVA mobile phone protective sleeves, protective sleeves and the like, and the polymerization method adopts high-pressure bulk polymerization (for plastics), solution polymerization (PVC processing aid), emulsion polymerization (adhesive) and suspension polymerization, the emulsion polymerization is adopted when the content of Vinyl Acetate (VA) is higher than 30 percent, and the high-pressure bulk polymerization is adopted when the content of vinyl acetate is low.

The EVA rubber sheet made of the EVA material also generates some new requirements in the process of social life practice, and one of the requirements is as follows: the existing EVA rubber plate has an unsatisfactory damping effect in the use process, and cannot better damp and protect other objects when used as a damping material of other objects; the second step is as follows: the existing EVA rubber plate has poor sound insulation effect when in use, and particularly cannot reduce the sound insulation effect inside an automobile when being used as a sound insulation plate for the automobile.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel sound-insulation shock-absorption EVA rubber plate, which solves the problems that the existing EVA rubber plate proposed in the background art has unsatisfactory shock absorption effect in the using process and cannot better absorb and protect other objects when being used as a shock absorption material of other objects; the second step is as follows: the existing EVA rubber plate has poor sound insulation effect when in use, and particularly cannot reduce the sound insulation effect inside an automobile when being used as a sound insulation plate for the automobile.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel shock-absorbing EVA rubber sheet gives sound insulation, includes the base plate, the both sides of base plate are bonded with one side of upper plate and one side of hypoplastron respectively through several types of grooves, the top equidistance fixedly connected with of upper plate is a plurality of arch, and is a plurality of the through-hole has all been seted up at the middle part on protruding top, and is a plurality of the intercommunicating pore has all been seted up to one side of through-hole, and is a plurality of the sound absorption groove has all been bonded to the inner wall in sound absorption groove and has inhaled the sound cotton, and is a plurality of it all bonds to inhale cotton one side of sound and has returned the soundboard, just.

As a preferred technical scheme of the utility model, the intercommunicating pore is seted up with the inside of base plate one side.

As a preferred technical scheme of the utility model, the soundboard with the intercommunicating pore is corresponding, just the intercommunicating pore is close to the one end of soundboard and is the toper structure.

As an optimized technical scheme of the utility model, a plurality of bonding grooves have been seted up to the bottom equidistance of hypoplastron.

As an optimized technical scheme of the utility model, upper plate and hypoplastron are the buffer board.

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

1. the upper plate and the lower plate are buffer plates through the matching of the upper plate, the lower plate, the sound absorption groove and the humanoid support, so that the upper surface and the lower surface of the substrate are subjected to primary shock absorption, the shock absorption effect is enhanced, meanwhile, the sound absorption groove has certain space molding force and stress through the matching of the sound absorption groove and the humanoid support, the shock absorption effect can be achieved through deformation when extrusion is met, and meanwhile, the humanoid support enhances the shock absorption effect of the sound absorption groove and also helps the recovery of the sound absorption groove;

2. through protruding, inhale the sound groove, inhale the sound cotton, the soundreturning board, the cooperation of intercommunicating pore and through-hole, the through-hole has been seted up on bellied top, through-hole and intercommunicating pore intercommunication, external noise enters into through-hole and intercommunicating pore and inhales the sound inslot, it is the arc structure to inhale the sound groove, will return the noise reflection of sound inslot under the effect of soundreturning the board and go out and enter into the noise of inhaling the sound inslot with the external world and meet and offset in the intercommunicating pore, thereby reach syllable-dividing effect, partial noise simultaneously through the soundreturning the board with inhale the sound cotton and meet, it adsorbs remaining noise to inhale the sound cotton, thereby further.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic view of the convex structure of the present invention

In the figure: 1. a substrate; 2. an upper plate; 3. a protrusion; 4. a lower plate; 5. a sound absorbing groove; 6. sound-absorbing cotton; 7. a soundreturning board; 8. a human-shaped stent; 9. a communicating hole; 10. a through hole; 11. a plurality of grooves; 12. a bonding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a novel shock-absorbing EVA rubber sheet gives sound insulation, including base plate 1, base plate 1's both sides are bonded with one side of upper plate 2 and one side of hypoplastron 4 respectively through several types of groove 11, a plurality of archs 3 of the top equidistance fixedly connected with of upper plate 2, through-hole 10 has all been seted up at the middle part on a plurality of protruding 3 tops, intercommunicating pore 9 has all been seted up to one side of a plurality of through-holes 10, sound absorption groove 5 has all been seted up to one side of a plurality of intercommunicating pores 9, the inner wall of a plurality of sound absorption grooves 5 all bonds and inhales sound cotton 6, a plurality of one side of inhaling sound cotton 6 all bonds and has returned soundboard.

Preferably, the communication hole 9 is opened in the inner portion of one side of the substrate 1, and external noise is transmitted into the sound absorption groove 5 through the through hole 10 and the communication hole 9;

preferably, the sound returning plate 7 corresponds to the communicating hole 9, one end of the communicating hole 9 close to the sound returning plate 7 is of a conical structure, and the sound returning plate 7 corresponds to the communicating hole 9, so that the sound returning plate 7 can reflect noise in the sound absorbing groove 5, transmit the noise out of the conical structure end of the communicating hole 9 and offset the noise in the opposite direction with the noise outside;

preferably, a plurality of bonding grooves 12 are formed in the bottom end of the lower plate 4 at equal intervals, the bonding grooves 12 facilitate storage of adhesive, the friction coefficient of the lower plate 4 and an object to be bonded is increased, and bonding firmness is improved;

preferably, the upper plate 2 and the lower plate 4 are buffer plates for buffering and damping the upper surface and the lower surface of the base plate 1 for the first time.

When specifically using, the utility model relates to a novel shock-absorbing EVA rubber sheet gives sound insulation, through upper plate 2, hypoplastron 4, inhale the cooperation of sound groove 5 and humanoid support 8, upper plate 2 and hypoplastron 4 are the buffer board to carry out the first shock attenuation to the upper surface and the lower surface of base plate 1, base plate 1 is EVA rubber material, and dopes 3% nanometer graphite material and 3% graphite alkene material in EVA rubber, improves EVA rubber's physical properties greatly: the heat conductivity coefficient is reduced, the compressive strength is increased, the fireproof performance is improved, the sound insulation and shock absorption effects are enhanced, meanwhile, the sound absorption groove 5 is matched with the humanoid support 8, the sound absorption groove 5 has certain space molding force and stress, the shock absorption effect can be achieved through deformation when extrusion is met, meanwhile, the humanoid support 8 enhances the shock absorption effect of the sound absorption groove 5, the recovery of the sound absorption groove 5 is also facilitated, the surface of the upper plate 2 is provided with the protrusions 3, the top ends of the protrusions 3 are provided with the through holes 10, the through holes 10 are communicated with the communication holes 9, external noise enters the sound absorption groove 5 through the through holes 10 and the communication holes 9, the sound absorption groove 5 is of an arc-shaped structure, the noise in the sound absorption groove 5 is reflected out under the action of the sound returning plate 7 and meets and offsets with the noise entering the sound absorption groove 5 from the outside in the communication holes 9, so that the sound insulation effect is achieved, meanwhile, part of the noise, the sound-absorbing cotton 6 absorbs the remaining noise, thereby further improving the sound-insulating effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel shock-absorbing EVA rubber sheet gives sound insulation, includes base plate (1), its characterized in that: the both sides of base plate (1) are bonded with one side of upper plate (2) and one side of hypoplastron (4) respectively through several type grooves (11), a plurality of protruding (3) of top equidistance fixedly connected with of upper plate (2), a plurality of through-hole (10) have all been seted up at the middle part on protruding (3) top, and are a plurality of intercommunicating pore (9) have all been seted up to one side of through-hole (10), and are a plurality of sound absorption groove (5), a plurality of sound absorption cotton (6) have all been bonded to the inner wall in sound absorption groove (5), and are a plurality of sound absorption cotton (6) one side all bonds and has returned soundboard (7), just the inner chamber fixedly connected with people shape support (8) in sound absorption groove (5).

2. The novel sound-insulation and shock-absorption EVA rubber sheet material as claimed in claim 1, wherein: the communicating hole (9) is arranged in one side of the substrate (1).

3. The novel sound-insulation and shock-absorption EVA rubber sheet material as claimed in claim 1, wherein: the soundreturning plate (7) corresponds to the communicating hole (9), and one end, close to the soundreturning plate (7), of the communicating hole (9) is of a conical structure.

4. The novel sound-insulation and shock-absorption EVA rubber sheet material as claimed in claim 1, wherein: a plurality of bonding grooves (12) are formed in the bottom end of the lower plate (4) at equal intervals.

5. The novel sound-insulation and shock-absorption EVA rubber sheet material as claimed in claim 1, wherein: the upper plate (2) and the lower plate (4) are both buffer plates.