CN212086274U

CN212086274U - Protective housing with dustproof function

Info

Publication number: CN212086274U
Application number: CN202020963301.5U
Authority: CN
Inventors: 梁志军; 雷元平
Original assignee: Shenzhen Magic Cube Digital Technology Co ltd
Current assignee: Shenzhen Magic Cube Digital Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-04
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a protective housing with dustproof function, the position that the frame of protective housing corresponds electronic equipment loudspeaker is equipped with the horn hole, the protective housing includes dust keeper, dust keeper cover in the horn hole, dust keeper include the base part and set up in the dust keeper of base part, be equipped with at least connecting portion on the lateral wall of base part, the horn hole includes the smart hole that a plurality of intervals set up, dust keeper passes through connecting portion block in rather than corresponding the smart hole can be dismantled and be connected to the horn hole surface, and make the dust keeper corresponds the horn hole plays dustproof effect.

Description

Protective housing with dustproof function

Technical Field

The utility model relates to a cell-phone accessory technical field, in particular to protective housing with dustproof function.

Background

The mobile phone shell is a mobile phone accessory product, and along with the continuous development of mobile phones, the structure and the function of the mobile phone shell are also continuously improved. The horn holes at the bottom of the existing mobile phone shell are mostly through holes, namely, long round holes or fine holes, for example, a plurality of small holes are arranged corresponding to the horn holes of the mobile phone. Such structure setting makes the easy accumulation dust of horn hole, and through-hole and smart hole all can't play dustproof effect, leads to the horn hole content to easily advance the dust and influence cell-phone loudspeaker result of use, for example influences the broadcast and the radio reception effect of cell-phone.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a protective housing with dustproof function.

In an embodiment, the connecting portion includes a rod portion and an enlarged stop portion connected to a distal end of the rod portion, when the dust-proof device is connected to the surface of the horn hole, the rod portion is located in the corresponding fine hole, and the stop portion is stopped on a surface of a frame of the protective shell.

In one embodiment, the cross-sectional area of the stopper portion gradually increases from the end thereof away from the base portion to the end thereof close to the base portion.

In one embodiment, the stop portion is made of a soft plastic material.

In an embodiment, a groove is formed on the surface of the frame of the protective shell and around the speaker hole, and the groove is used for accommodating the stopper.

In one embodiment, the base portion has a plurality of dust-proof holes, and the dust-proof holes are arranged to form the dust-proof portion.

In one embodiment, the dust-proof portion is a dust-proof net having a plurality of dust-proof holes, and the dust-proof net is disposed on the base portion.

In an embodiment, the speaker holes are provided in plural, and each of the speaker holes is provided with one of the dust-proof devices.

In one embodiment, when the dustproof device is connected to the surface of the bell-mouthed hole, the outer surface of the dustproof device is flush with the surface of the protective shell.

In one embodiment, the inner surface and/or the outer surface of the dust-proof part is provided with an antistatic coating.

To sum up, the utility model provides a protective housing with dustproof function sets up dust keeper outside the bell mouth of protective housing, and dust keeper covers the bell mouth and still can play dustproof effect under the condition that does not influence bell mouth result of use. Set up connecting portion on the inside wall of dust keeper's base part, the horn hole includes the smart hole that a plurality of intervals set up, and dust keeper passes through connecting portion block rather than the smart hole that corresponds and can dismantle and be connected to the horn hole outside, thereby and dust keeper's the position setting that corresponds the horn hole realizes dustproof effect. When the dust-proof device needs to be cleaned, the dust-proof device can be directly detached, or the dust-proof part can be detached for cleaning. The utility model discloses a protective housing with dustproof function simple structure easily realizes, has better dustproof, waterproof splatter effect, and convenient to detach, and easy the washing gives user's good product experience, is suitable for popularization and application.

Drawings

Fig. 1 is a schematic perspective view of a protective case with a dustproof function.

Fig. 2 is an exploded schematic view of the protective case with a dustproof function in fig. 1.

Fig. 3 is a partially enlarged schematic view of the protective case having the dustproof function in fig. 2.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1-3, the present invention provides a protective case 10 with a dustproof function, the protective case 10 is used for accommodating an electronic device, such as a mobile phone, a tablet computer, etc., in this embodiment, the electronic device is illustrated by taking the mobile phone as an example, and correspondingly, the protective case 10 is, for example, a mobile phone case 10. The position that the frame bottom of protective housing 10 corresponds cell-phone loudspeaker is equipped with horn hole 12, and in the embodiment shown, horn hole 12 sets up to two, nevertheless the utility model discloses do not inject this, in other embodiments, horn hole 12 also can set up to other quantity. The protective shell 10 further includes two dust-proof devices 14, and correspondingly, one dust-proof device 14 is detachably mounted on the surface of each horn hole 12, so that the dust-proof devices 14 can be detached from the protective shell 10 for cleaning. Since each of the bell-mouthed openings 12 and the dust-proof means 14 has the same structure, only one of the bell-mouthed openings 12 and the dust-proof means 14 will be described in detail below.

In this embodiment, the trumpet hole 12 is formed by a plurality of fine holes with the same size, and the fine holes are uniformly arranged along the width direction of the protection shell 10 at intervals. The dust-proof device 14 covers the surface of the bell-shaped hole 12, so that external dust needs to pass through the dust-proof device 14 before passing through the protective case 10. In the illustrated embodiment, the dust-proof device 14 covers the outer surface of the horn hole 12, and more specifically, the dust-proof device 14 includes a base portion 16 and a dust-proof portion 18 provided on the base portion 16, and the dust-proof portion 18 has a dust-proof function. In the illustrated embodiment, the base portion 16 is provided with a plurality of dust-proof holes having a dust-proof adsorption function, and the plurality of dust-proof holes are arranged at intervals in a central region of the base portion 16 to form the dust-proof portion 18.

In other embodiments, the dust-proof device 14 may also be configured such that the base body portion 16 is a frame structure with a central opening, the dust-proof portion 18 is a dust-proof net with a plurality of dust-proof holes, the dust-proof net is detachably installed in the central opening of the base body portion 16, and the dust-proof net and the base body portion 16 are connected by, for example, a snap connection.

At least one connecting portion 20 is disposed on the inner sidewall of the base portion 16, the dust-proof device 14 is detachably connected to the outer side of the horn hole 12 by engaging the connecting portion 20 with the corresponding fine hole, and the dust-proof portion 18 corresponds to the horn hole 12, so that the dust-proof device 14 can prevent dust without affecting the use effect of the horn hole 12. In this embodiment, two connecting portions 20 are provided on the inner side wall of the base portion 16, and the two connecting portions 20 are located at both ends of the base portion 16, but in other embodiments, the number of the connecting portions 20 may be different, or the connecting portions may be provided at other positions on the inner side wall of the base portion 16 as long as the connecting portions can be engaged with the precision holes.

More specifically, the connecting portion 20 includes a rod portion 20a and an enlarged stop portion 20b connected to a distal end of the rod portion 20a, when the connecting portion 20 is engaged in the hole, the rod portion 20a is located in the hole, and the stop portion 20b is stopped at an inner surface of the frame of the protective case 10. The shank 20a may be provided with a diameter substantially equal to the diameter of the precision hole so that the outer wall surface of the shank 20a is in close contact with the inner wall surface of the precision hole, thereby stabilizing the connection. Of course, in other embodiments, the diameter of the shaft 20a may be set smaller than the diameter of the fine hole. In the illustrated embodiment, the stop portion 20b has a tapered shape, specifically, the cross-sectional area of the stop portion 20b gradually increases from the end thereof away from the base portion 16 to the end thereof close to the base portion 16, for example, the cross-sectional area of the end of the stop portion 20b away from the base portion 16 is smaller than the cross-sectional area of the fine hole, and the cross-sectional area of the end of the stop portion 20b close to the base portion 16 is larger than the cross-sectional area of the fine hole. The stopping portion 20b may be made of a soft rubber material, so that the stopping portion has a certain deformation capability, so that the connecting portion 20 and the precision hole are connected in a clamping manner, for example, in the installation process, when the connecting portion 20 extends into the precision hole, the head of the stopping portion 20b firstly enters the precision hole, then the tail of the stopping portion 20b is extruded and reduced under the extrusion of the inner wall of the precision hole, after passing through the precision hole, the stopping portion 20b returns to the original shape, and the inner side wall of the stopping portion 20b is stopped on the inner surface of the frame of the protective case 10.

A groove 22 is formed on the inner surface of the bottom of the frame of the protection case 10 at the periphery of the speaker hole 12, and the groove 22 is used for accommodating the stopper 20 b. When the connecting portion 20 is connected to the inside of the smart hole from the outside of the protective case 10, the stopping portion 20b is just accommodated in the groove 22, so as to prevent the stopping portion 20b from extending out of the groove 22 to contact with the mobile phone inside the protective case 10.

It should be understood that, in other embodiments, the dust-proof device 14 may also cover the inner surface of the speaker hole 12, correspondingly, the connecting portion 20 is disposed on the outer sidewall of the base portion 16, the groove 22 is disposed on the outer surface of the bottom of the frame of the protective casing 10 at the periphery of the speaker hole 12 for receiving the stopping portion 20b, and the dust-proof device 14 is detachably connected to the inside of the speaker hole 12 by engaging the connecting portion 20 with the corresponding precision hole. In this case, when the dust-proof device 14 is installed, the mobile phone needs to be taken out from the protective case 10, the dust-proof device 14 is installed from the inner side of the protective case 10, and the inner surface of the dust-proof device 14 is set to be flush with the inner surface of the frame of the protective case 10 or the inner surface of the dust-proof device 14 is located at the inner side of the inner surface of the frame of the protective case 10, so as to avoid contact or friction with the mobile phone.

In the illustrated embodiment, when the dust-proof device 14 is connected to the outside of the bell mouth 12, the outer surface of the dust-proof device 14, that is, the outer surface of the base portion 16 is flush with the outer surface of the protective shell 10, so that the overall aesthetic appearance of the protective shell 10 is increased, the use hand feeling of a user is increased, and the knocking of the hand is avoided. In other embodiments, the outer surface of the dust-proof device 14 may be slightly protruded from the outer surface of the protective casing 10, or the outer surface of the dust-proof device 14 may be located inside the outer surface of the protective casing 10. For example, when the bottom of the rim of the protective casing 10 is arc-shaped, the base portion 16 may be designed to fit into the arc-shaped bottom of the rim of the protective casing 10, so that the outer surface of the base portion 16 is flush with the outer surface of the protective casing 10, or the outer surface of the base portion 16 slightly protrudes from the outer surface of the protective casing 10, or the outer surface of the base portion 16 is located inside the outer surface of the protective casing 10.

In some embodiments, the inner and/or outer surfaces of the dust guard 18 are provided with an antistatic coating to further enhance the dust guard function. Before entering the bell-mouthed opening 12, the external dust must pass through the dust guard 14, and the dust guard 14 absorbs the dust onto the dust guard 14 through the dust-proofing opening and the adsorption of the antistatic coating, and in order to prevent the dust from accumulating, the base part 16 or the dust screen can be periodically detached for cleaning.

It should be understood that, in the above-mentioned embodiment, the speaker hole 12 is disposed at the bottom of the frame of the protection casing 10, but the present invention is not limited to the location of the speaker hole 12, and in other embodiments, the speaker hole 12 may be disposed at other locations of the protection casing 10 according to the location of the mobile phone speaker.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a protective housing with dustproof function, the position that the frame of protective housing corresponds electronic equipment loudspeaker is equipped with the horn hole, a serial communication port, the protective housing includes dust keeper, dust keeper cover in the horn hole, dust keeper include the base part and set up in the dust-proof part of base part, be equipped with at least connecting portion on the lateral wall of base part, the horn hole includes the smart hole that a plurality of intervals set up, dust keeper passes through connecting portion block in rather than corresponding smart hole and can dismantle and be connected to the horn hole surface, and make the dust-proof part corresponds the horn hole plays dustproof effect.

2. The protective case with the dustproof function according to claim 1, wherein the connecting portion includes a rod portion and an enlarged stop portion connected to a distal end of the rod portion, when the dustproof device is connected to the surface of the speaker hole, the rod portion is located in the corresponding fine hole, and the stop portion is stopped on a frame surface of the protective case.

3. The protective case having a dust-proof function according to claim 2, wherein the stopper portion has a sectional area that gradually increases from an end thereof remote from the base portion toward an end thereof close to the base portion.

4. A protective case according to claim 3, wherein the stopper is made of soft rubber.

5. The protective case with the dustproof function according to claim 2, wherein a groove is formed in the periphery of the horn hole on the surface of the frame of the protective case, and the groove is used for accommodating the stopper.

6. The protective case having a dust-proof function according to claim 1, wherein a plurality of dust-proof holes are provided in the base portion, and the plurality of dust-proof holes are arranged to form the dust-proof portion.

7. The protective case having a dust-proof function according to claim 1, wherein the dust-proof portion is a dust-proof net having a plurality of dust-proof holes, and the dust-proof net is provided to the base portion.

8. The protective case with a dustproof function according to claim 1, wherein a plurality of the speaker holes are provided, and each of the speaker holes is provided with one of the dustproof devices.

9. A protective case having a dust-proof function as claimed in claim 1, wherein when the dust-proof device is attached to the bell-mouthed surface, an outer surface of the dust-proof device is flush with a surface of the protective case.

10. A protective case having a dust-proof function as claimed in claim 1, wherein an antistatic coating is provided on an inner surface and/or an outer surface of the dust-proof portion.