A waterproof and dustproof sound transmission device applied to a portable electronic product

Abstract

The application discloses a waterproof and dustproof sound transmission device applied to a portable electronic product, which comprises a main body arranged on the side wall of a sealed cavity, wherein the main body comprises a head and a tail, a plurality of grooves are arranged on the side wall of the main body, the tail of the main body is located in the sealed cavity, an outer sealing ring is arranged in the groove close to the tail of the side wall of the main body, the outer sealing ring is fixed through a snap ring, an inner sealing ring is arranged in the main body, a sliding block, a waterproof and breathable sound transmission membrane, a pressing ring, an elastic piece and a gland are sequentially arranged outside the inner sealing ring, and the grooves are arranged along the circumference of the main body. In a normal operation state, the internal and external pressure difference generated in the sealed cavity of the portable electronic product and sound transmission are mainly realized through the waterproof and breathable sound transmission membrane in the main body to realize internal and external exchange, finally achieving pressure balance and sound transmission exchange; the flow route is a→a; and the problem that the sound transmission function of the portable electronic product leads to the decrease of sound transmission quality and the increase of maintenance cost is effectively solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of portable electronic products, in particular to a waterproof and dustproof sound transmission device applied to portable electronic products. BACKGROUND

[0002] At present, the main means for solving waterproof sound transmission of portable electronic products on the market is to place a waterproof and breathable sound transmission film in the sealed cavity of the electronic product. However, the waterproof and breathable sound transmission film is easily blocked by the external environment and dust layer during long-term operation, which seriously affects the sound transmission function of the portable electronic product, leading to a decrease in sound transmission quality and an increase in maintenance cost. The entire product needs to be disassembled and the internal film needs to be replaced before being assembled and shipped, which not only affects customer satisfaction but also increases maintenance costs.

[0003] In order to solve the above problems, the present application provides a waterproof and dustproof sound transmission device applied to portable electronic products. SUMMARY

[0004] The purpose of the present application is to provide a waterproof and dustproof sound transmission device applied to portable electronic products to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical solutions:

[0006] A waterproof and dustproof sound transmission device applied to portable electronic products, comprising a main body arranged on the side wall of a sealed cavity, the main body comprising a head portion and a tail portion, the side wall of the main body being provided with a plurality of grooves, the tail portion of the main body being located inside the sealed cavity, the groove near the tail portion of the side wall of the main body being provided with an outer sealing ring, the outer sealing ring being fixed by a snap ring, the inside of the main body being provided with an inner sealing ring, the outside of the inner sealing ring being sequentially provided with a sliding block, a waterproof and breathable sound transmission film, a compression ring, an elastic member and a gland.

[0007] As a further scheme of the present application: the grooves are arranged along the circumference of the main body.

[0008] As a further scheme of the present application: the number of grooves is three.

[0009] As a further scheme of the present application: the number of outer sealing rings is two.

[0010] As a further scheme of the present application: the elastic member is a spring.

[0011] As a further scheme of the present application: a pressure relief sound transmission hole is formed at a position near the head portion of the side wall of the main body.

[0012] As a further scheme of the present application: the number of pressure relief sound transmission holes is one; the pressure relief sound transmission hole is in a circular shape.

[0013] Compared with the prior art, the application has the advantages that: in normal operation state, the internal and external pressure difference generated inside the sealed cavity of the portable electronic product and sound transmission are mainly exchanged through the waterproof and breathable sound transmission membrane inside the main body, and finally pressure balance and sound transmission exchange are achieved; flow path; a→a;

[0014] In abnormal state, the main performance is that the waterproof and breathable sound transmission membrane is blocked, at this time the second protection design is triggered to run, that is, the elastic member opens the whole device, the internal pressure limit is released and sound transmission is achieved, and this process is a cyclic and repeated process, finally the maintenance cost is increased due to avoiding special abnormal problems; flow path; A→A. The problem of sound transmission function of the portable electronic product leading to sound transmission quality decline and maintenance cost increase is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an exploded view of the waterproof and dustproof sound transmission device applied to the portable electronic product.

[0016] Figure 2 It is a connection diagram of the waterproof and dustproof sound transmission device applied to the portable electronic product.

[0017] Figure 3 It is a perspective view of the waterproof and dustproof sound transmission device applied to the portable electronic product.

[0018] Figure 4 It is a schematic diagram of the pressure relief sound transmission hole in the waterproof and dustproof sound transmission device applied to the portable electronic product.

[0019] Figure 5 It is a working principle diagram of the waterproof and dustproof sound transmission device applied to the portable electronic product.

[0020] In the figure: 1-clip ring, 101-sealed cavity, 102-internal part of the sealed cavity, 103-groove, 104-pressure relief sound transmission hole, 105-head, 106-tail, 2-outer sealing ring, 3-main body, 4-inner sealing ring, 5-sliding block, 6-waterproof and breathable sound transmission membrane, 7-pressing ring, 8-elastic member, 9-pressing cover. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0022] It should be noted that if there is a directional indication in the embodiments of the present application (such as up, down, left, right, front, back, etc.), it is only used to explain the relative position relationship, motion condition and the like between components in a certain posture, and if the certain posture changes, the directional indication also changes accordingly.

[0023] In addition, if the description of "first", "second" and the like is involved in the present application, it is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 A waterproof and dustproof sound transmission device applied to a portable electronic product, comprising a main body 3 arranged on the side wall of a sealed cavity 101, the main body 3 comprising a head portion 105 and a tail portion 106, a plurality of grooves 103 being arranged on the side wall of the main body 3, the tail portion of the main body 3 being located inside the sealed cavity 102, an outer sealing ring 2 being arranged in the groove 103 close to the tail portion of the side wall of the main body 3, the outer sealing ring 2 being fixed by a clasp 1, an inner sealing ring 4 being arranged inside the main body 3, a sliding block 5, a waterproof and breathable sound transmission membrane 6, a compression ring 7, an elastic member 8 and a gland 9 being arranged in sequence on the outside of the inner sealing ring 4.

[0026] The specific number of the grooves 103 is not limited, in the embodiment, preferably, the number of the grooves 103 is three.

[0027] The specific number of the outer sealing ring 2 is not limited, in the embodiment, preferably, the number of the outer sealing ring 2 is two.

[0028] The specific shape of the groove 103 is not limited, in the embodiment, preferably, the groove 103 is arranged along the circumferential direction of the main body 3.

[0029] The specific structure of the elastic member 8 is not limited, in the embodiment, preferably, the elastic member 8 is a spring.

[0030] Embodiment 2

[0031] In order to improve the sound transmission effect of the waterproof and dustproof sound transmission device applied to the portable electronic product, the embodiment is further improved on the basis of the embodiment 1, a pressure relief sound transmission hole 104 is arranged at the position close to the head portion of the side wall of the main body 3.

[0032] The specific shape and number of the pressure relief sound passage hole 104 are not limited, and in the embodiment, preferably, the number of the pressure relief sound passage hole 104 is one; the pressure relief sound passage hole 104 is in a circular shape; and the pressure relief sound passage hole 104 forms a certain flow route and space with the waterproof and breathable sound transmission membrane 6 in the product.

[0033] The working principle of the present application is as follows: in a normal operating state, the internal and external pressure difference generated in the sealed cavity of the portable electronic product and sound transmission are mainly realized by the waterproof and breathable sound transmission membrane 6 in the main body to exchange internally and externally, finally achieving pressure balance and sound transmission exchange; flow route; a→a;

[0034] In an abnormal state, the main performance is that the waterproof and breathable sound transmission membrane 6 is blocked, at this time, the second protection design operation can be triggered, that is, the elastic member 8 opens the entire device, releases the internal pressure limit and realizes sound transmission, and this process is a cyclic and repeated process, finally, the maintenance cost in the later period is increased due to avoiding special abnormal problems; flow route; A→A.

[0035] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A waterproof, dustproof, and sound-permeable device for use in portable electronic products, comprising a main body (3) disposed on the side wall of a sealed cavity (101), the main body (3) comprising a head (105) and a tail (106), characterized in that, The side wall of the main body (3) is provided with a number of grooves (103). The tail of the main body (3) is located inside the sealed cavity (102). The groove (103) near the tail of the side wall of the main body (3) is fitted with an outer sealing ring (2). The outer sealing ring (2) is fixed by a retaining ring (1). The inside of the main body (3) is provided with an inner sealing ring (4). The outside of the inner sealing ring (4) is provided with a slider (5), a waterproof and breathable sound-permeable membrane (6), a pressure ring (7), an elastic element (8), and a pressure cap (9). The side wall of the main body (3) near the head is provided with a pressure relief sound-permeable hole (104). The number of pressure relief sound-permeable holes (104) is one. The pressure relief sound-permeable hole (104) is circular.

2. The waterproof, dustproof, and sound-permeable device for portable electronic products according to claim 1, characterized in that, The groove (103) is arranged along the circumference of the main body (3).

3. The waterproof, dustproof, and sound-permeable device for portable electronic products according to claim 1 or 2, characterized in that, The number of grooves (103) is three.

4. The waterproof, dustproof, and sound-permeable device for portable electronic products according to claim 3, characterized in that, The number of the outer sealing rings (2) is two.

5. The waterproof, dustproof, and sound-permeable device for portable electronic products according to claim 1, characterized in that, The elastic element (8) is a spring.

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