CN220096283U - Shading cotton, loudspeaker cover and door plate - Google Patents

Abstract

The utility model relates to the technical field of automotive upholsteries, and discloses shading cotton for solving the problem that a dustproof device is easy to fall off, enhancing the dustproof effect, reducing the production cost and improving the production efficiency. The shading cotton comprises a dustproof body and lugs, wherein the dustproof body is sheet-shaped, and the lugs are fixedly connected to the edge of the dustproof body. The shading cotton designed by the utility model has a simple structure, only comprises two parts of the dustproof body and the support lugs, has simple procedures, can greatly reduce the production cost, shortens the production period and improves the production efficiency; the shading cotton has strong practicability and is convenient to install. In addition, the lugs of the shading cotton are directly welded on the lug parts of the horn mesh, the lugs are fixed, the dustproof body can achieve the purpose of fixation, and the falling and displacement of the shading cotton can be prevented; the dustproof body of the shading cotton can be completely covered on the speaker net, so that a good dustproof effect is achieved.

Description

Shading cotton, loudspeaker cover and door plate

Technical Field

The utility model relates to the technical field of automotive upholsteries, in particular to shading cotton, a horn cover and a door plate.

Background

Along with the continuous development of society, the requirements of people on living standard are also increasingly improved, and in order to meet the requirement that people have more entertainment projects when riding an automobile, an acoustic loudspeaker is arranged in the automobile so as to allow people to listen to music, listen to books or watch audio. However, the service life of the loudspeaker is prolonged, a large amount of dust is adhered to the loudspeaker, the loudspeaker cannot be cleaned comprehensively, the service life of the loudspeaker is greatly reduced, and the sound effect is affected. Therefore, people set up devices such as shading cotton on loudspeaker net surface, prevent dust entering loudspeaker. The shading cotton is a device for shading parts such as a horn net, can improve the aesthetic degree of automobile interior decoration, and plays a role in dust prevention. The installation of shading cotton, the prior art is mostly with its direct cover in loudspeaker net, then installs loudspeaker lid in shading cotton top, but when installing loudspeaker lid and in the subsequent use, shading cotton produces the aversion easily, can appear partial loudspeaker hole and expose the condition, and dustproof effect is not good. The prior art also has to adopt the adhesive to fix the shading cotton on loudspeaker, but along with the growth of life, the chemical composition of adhesive can produce the rotten, leads to the bonding effect variation, consequently the shading cotton produces the scheduling problem that drops easily, and the shading cotton can't cover the loudspeaker hole completely, and dustproof effect remains to promote.

In order to solve the above-mentioned problems, various improvements have been made in the prior art, and the general improvement means is to add various dustproof materials, such as a multi-layer filter screen, a sponge gasket, waterproof cotton, a dustproof cover, etc., and add various parts for reinforcing and fixing the dustproof device, such as screw bolts, clamping grooves, clamping rings, reinforcing ribs, blank holders, etc. After the dustproof device is improved in the prior art, although the probability of falling off of shading cotton can be reduced, most of the dustproof device in the prior art adopts more than ten parts, most of the design structure of the dustproof device is extremely complex, the production process is multiple, the manufacturing cost and the labor cost are greatly increased, the production period is prolonged, and the production efficiency is low. In addition, the space of the door plate is also very limited, and the dustproof device in the prior art has more parts, so that the dustproof device has larger volume, and the difficulty of installing and fixing the dustproof device can be greatly increased.

In summary, the existing dustproof device has the problems of falling off, displacement and the like of the shading cotton, and has poor dustproof effect; the dustproof device with good dustproof effect in the prior art has the advantages of extremely complex structure, high manufacturing cost and low production efficiency. Therefore, a novel dustproof device needs to be designed, the structure is simple, the cost can be reduced, the problem that the dustproof device is easy to fall off can be solved, and the dustproof effect is enhanced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing novel shading cotton so as to solve the problem that a dustproof device is easy to fall off, enhance the dustproof effect, reduce the production cost and improve the production efficiency.

The basic scheme provided by the utility model is as follows: the utility model provides a shading cotton, includes dustproof body and journal stirrup, dustproof body is the slice, journal stirrup fixed connection is in dustproof body edge.

The working principle and the advantages of the utility model are as follows: the dustproof device designed in the prior art is partially characterized in that the shading cotton is directly fixed on the speaker net by adopting an adhesive, or the shading cotton is directly sleeved on the speaker net so as to achieve the aim of dust prevention, however, the solution is easy to cause the shading cotton to fall off and shift, and the dustproof effect is poor. The other part of dustproof device with better dustproof effect is the dustproof device, but the part of the dustproof device is more than ten, the structure is extremely complex, and the production cost is extremely high.

However, the shading cotton designed by the utility model has a very simple structure, only comprises two parts of the dustproof body and the supporting lugs, does not need other additional complex parts, has simple procedures, can greatly reduce the production cost, shortens the production period and improves the production efficiency; the shading cotton has strong practicability and is convenient to install. In addition, the lugs of the shading cotton are directly welded on the lug parts of the horn mesh, the lugs are fixed, the dustproof body can achieve the purpose of fixation, and the falling and displacement of the shading cotton can be prevented; the dustproof body of the shading cotton can be completely covered on the speaker net, so that a good dustproof effect is achieved.

Further, the number of the lugs is 2-6. The number is between 2 and 6, the number of lugs is lower than 2, the fixation of shading cotton is not stable enough, and the falling probability is still larger; the number of the lugs is more than 6, and although the anti-falling effect is good, the manufacturing cost is increased. The number of the dustproof bodies is 2, and the dustproof bodies are not easy to fall off due to the fact that the dustproof bodies are involved in two directions; the number of the anti-falling agents is 6, the anti-falling effects can be further achieved, and the manufacturing cost is low.

Further, the included angle formed between two adjacent lugs is 60-180 degrees, and the included angle formed between two adjacent lugs is equal. The included angles are equal, the traction force of lugs on the dustproof body in all directions is also uniform, so that the dustproof body is in a more stable state for a long time, and the probability of falling off of shading cotton can be further reduced.

Further, dustproof body surface fixedly connected with supports the sand grip, support sand grip one end and be located dustproof body edge, support sand grip other end and be located dustproof body center department. Because the sound transmission effect of the acoustic horn is considered, the thickness of the dustproof body is thinner, the edge of the dustproof body is easy to turn up, and the problem that the horn hole is not fully covered is caused at the edge of the horn. Based on the structure, the supporting raised strips are arranged, the supporting raised strips can strongly support the whole dustproof body, the thickness of certain parts of the dustproof body can be enhanced, the deformation probability of the dustproof body can be reduced, the problem of curling and the like is prevented, the original shape of the dustproof body can be maintained, and the dustproof effect of the shading cotton is further enhanced.

Further, the number of the supporting raised strips is 4-8, the included angle formed between every two adjacent supporting raised strips is 45-90 degrees, and the included angles formed between every two adjacent supporting raised strips are equal. 4-8 supporting raised strips are arranged, and the distance between the supporting raised strips is very suitable; the contained angle that constitutes between the support sand grip two by two equals, and dustproof body everywhere atress is even, consequently can further reduce the probability that dustproof body curled edge, produces better dustproof effect.

Further, the edge surface of the dustproof body is fixedly connected with a ring convex strip. The setting of ring sand grip can increase the thickness at dustproof body edge, can further reduce dustproof body's probability of deformation to prevent dustproof body edge curl, the entering of prevention dust that can be better.

Further, dustproof body edge fixedly connected with convex parcel portion, parcel portion is cyclic annular, and parcel portion is kept away from dustproof body one end fixedly connected with journal stirrup. Dustproof body and parcel portion can wrap up the speaker net, and the rethread journal stirrup is fixed it, can prevent that dustproof body from producing the turn-up because of deformation for the probability that drops of shading cotton falls to minimum, consequently can reach very good dustproof effect.

Further, the shading cotton is polyurethane sponge PUR. The polyurethane sponge PUR has low price, strong universality and porous characteristics, can meet the sound transmission requirement of a loudspeaker, and can also meet the shielding and dust prevention requirements.

The basic scheme provided by the utility model is as follows: the utility model provides a loudspeaker cover, includes shading cotton and loudspeaker net, the dustproof body of shading cotton is located loudspeaker net surface, loudspeaker net's edge is equipped with loudspeaker net ear, the lug welding of shading cotton is in loudspeaker net ear.

The basic scheme provided by the utility model is as follows: a door plate uses the horn cover.

Drawings

Fig. 1 is a schematic front view of a shading cotton according to an embodiment of the present utility model.

FIG. 2 is a schematic view of the back side mounting structure of the door panel of the present utility model.

Fig. 3 is a schematic view of a front mounting structure of the door panel of the present utility model.

Fig. 4 is a schematic view of the installation position structure of the horn cover of the present utility model.

Fig. 5 is a perspective view of a second shading cotton according to an embodiment of the present utility model.

Fig. 6 is a perspective view of a tri-shading cotton according to an embodiment of the present utility model.

Fig. 7 is a side cross-sectional view of a four-shade cotton according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: dustproof body 1, journal stirrup 2, speaker net 3, support sand grip 4, ring sand grip 5, door plant 6, loudspeaker lid 7, parcel 8.

Embodiment one:

as shown in fig. 1, the shading cotton comprises a dustproof body 1 and lugs 2, wherein the dustproof body 1 is sheet-shaped, and the lugs 2 are integrally connected to the edge of the dustproof body 1; the number of the lugs 2 is 2, and the included angle formed between two adjacent lugs 2 is 180 degrees. The shading cotton material of the embodiment is polyurethane sponge PUR; the thickness of the shading cotton is 2 mm.

In the first embodiment, only the situation that the number of lugs 2 is 2 and the included angle formed between two adjacent lugs 2 is 180 ° is shown, in other embodiments, the number of lugs 2 is 3-6, the included angle formed between two adjacent lugs 2 is between 60 ° -180 °, and the included angles formed between two adjacent lugs 2 are equal. The range of 60 ° -180 ° is described herein, including 60 °.

As shown in fig. 2, the speaker net 3 is mounted on the back surface of the door panel 6, where the back surface is the surface where the inside of the door panel 6 is not visible when a person takes a car. A horn (not shown) is mounted inside the horn mesh 3, where inside refers to the side that is not visible to humans.

As shown in fig. 3, the dust-proof body 1 and the lugs 2 are mounted on the front surface of the door panel 6, specifically on the outer side of the speaker net 3. The front surface here means the surface on which a person can see the outside of the door panel 6 when riding in a car. As shown in fig. 4, the front surface of the door plate 6 is provided with the horn cover 7, which can shield the shading cotton and the horn net 3, thereby playing a role of protection and beautiful appearance.

The specific implementation process of this embodiment is as follows:

as shown in fig. 1, 2 and 3, two horn mesh ears are added on two sides of the horn mesh 3, and the support lugs 2 of the shading cotton are directly welded on the horn mesh ears by an ultrasonic welding machine. The support lugs 2 are fixed, the dustproof body 1 can be fixed on the surface of the horn mesh 3, and the falling and displacement of shading cotton can be prevented; the dustproof body 1 can be completely covered on the speaker net, so that a good dustproof effect is achieved.

Embodiment two:

as shown in fig. 5, the second embodiment is different from the first embodiment in that: the surface of the dustproof body 1 is integrally formed and connected with 4 supporting raised strips 4, one end of each supporting raised strip 4 is positioned at the edge of the dustproof body 1, and the other end of each supporting raised strip 4 is positioned at the center of the dustproof body 1; the included angle formed between two adjacent support convex strips 4 is 90 degrees, and the included angle formed between two adjacent support convex strips 4 is equal. The thickness of the supporting ribs 4 in this embodiment is 1 mm.

In other embodiments, the number of the supporting ribs 4 is 5-8, the included angle formed between two adjacent supporting ribs 4 is 45 ° -90 °, and the included angles formed between two adjacent supporting ribs 4 are equal. Between 45 deg. -90 deg., inclusive of 45 deg., as described herein.

Embodiment III:

as shown in fig. 6, the third embodiment is different from the second embodiment in that: the edge surface integrated into one piece of dustproof body 1 is connected with ring sand grip 5. The thickness of the ring bead 5 in this embodiment is 1 mm.

Embodiment four:

as shown in fig. 7, the fourth embodiment is different from the first embodiment in that: the dustproof body 1 edge integrated into one piece is connected with convex parcel portion 8, parcel portion 8 is cyclic annular, and parcel portion 8 is kept away from dustproof body 1 one end integrated into one piece and is connected with journal stirrup 2. The wrapping portion 8 of this embodiment has a wrapping length of 5 mm and a thickness of 2 mm. Dustproof body 1 and parcel portion 8 can wrap up loudspeaker net 3 completely, and rethread journal stirrup 2 is fixed it, can prevent that dustproof body from producing the crimping because of deformation for the probability that drops of shading cotton falls to minimum, can reach very good dustproof effect.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (8)

1. A shading cotton, characterized in that: the dustproof body is sheet-shaped, the lugs are fixedly connected to the edge of the dustproof body, the number of the lugs is 2-6, the included angle formed between two adjacent lugs is 60-180 degrees, and the included angle formed between two adjacent lugs is equal.

2. The shading cotton of claim 1, wherein: the dustproof body surface fixedly connected with supports the sand grip, support sand grip one end and be located dustproof body edge, support sand grip other end and be located dustproof body center department.

3. The shading cotton of claim 2, wherein: the number of the supporting raised strips is 4-8, the included angle formed between every two adjacent supporting raised strips is 45-90 degrees, and the included angles formed between every two adjacent supporting raised strips are equal.

4. A shading cotton as defined in claim 3, wherein: the edge surface fixedly connected with ring sand grip of dustproof body, the journal stirrup is located the lateral surface of dustproof body.

5. The shading cotton of claim 1, wherein: the dustproof body is fixedly connected with a convex annular wrapping part along the edge of the dustproof body, and one end, away from the dustproof body, of the wrapping part is fixedly connected with a supporting lug.

6. A shading cotton according to any one of claims 1 to 3, wherein: the shading cotton is polyurethane sponge PUR.

7. A horn cover, characterized in that: a shading cotton and a speaker net, wherein the dustproof body of the shading cotton is positioned on the surface of the speaker net, the edge of the speaker net is provided with a speaker net lug, and the lugs of the shading cotton are welded on the speaker net lug.

8. A door panel, characterized in that: a horn cover as defined in claim 7.