CN219437156U - Dustproof structure, loudspeaker and mobile phone - Google Patents

Abstract

A dustproof structure comprises a frame, a first dustproof component, a second dustproof component, a connecting component and an elastic component. The frame is provided with an outer opening and an inner opening which are oppositely arranged, and a guide groove is formed in the frame. The first dustproof assembly is arranged on the frame and shields the external opening of the frame. The second dustproof assembly is arranged on the frame and shields the inner opening of the frame. The second dustproof component is provided with a guide table. The connecting component is used for movably connecting the second dustproof component with the first dustproof component. The guide table of the second dust assembly is configured to move along the guide slot relative to the first dust assembly. The two ends of the elastic piece are respectively contacted with the first dustproof component and the second dustproof component. The utility model also relates to a loudspeaker and a mobile phone. According to the utility model, the dustproof effect is improved through the two dustproof components, dust accumulated on the dustproof components is cleaned through vibration of the dustproof components, the service life of the dustproof components is effectively prolonged, the dustproof effect is improved, and the service performance of the mobile phone is ensured.

Description

Dustproof structure, loudspeaker and mobile phone

Technical Field

The utility model relates to the field of mobile phones, in particular to a dustproof structure, a loudspeaker and a mobile phone.

Background

At present, as an electronic product for daily use, a smart phone has been standardized and normalized in structure. The existing smart phone is lighter and thinner, the internal structure is more integrated and miniaturized, so that the internal design is more precise, and small parts cannot accommodate errors and mistakes. In daily use, the mobile phone can be often influenced by fine particles such as dust, thereby influencing the usability and effect of the whole machine.

The loudspeaker is used as a functional element for playing mobile phone sound, is a channel for contacting the mobile phone with the outside, needs to be kept open to the outside, is easy to accumulate dust and particles, is blocked once excessive accumulation occurs, and is troublesome to clean. The traditional scheme is that dust is blocked through the dust screen, and the dust screen is arranged on the shell of the mobile phone, so that external dust, particles and the like are blocked from entering the loudspeaker, but the dust is blocked by dense meshes, the higher the dense cost of the meshes is, all the dust cannot be blocked completely, and the small dust is gathered in the dust screen to form blockage, so that the use is affected.

Accordingly, there is a need to provide a dustproof structure, a speaker and a mobile phone to solve the above problems.

Disclosure of Invention

The utility model aims to provide a dustproof structure, a loudspeaker and a mobile phone, so as to solve the dustproof problem of the loudspeaker of the mobile phone.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a dust-proof structure, comprising:

the frame is provided with an outer opening and an inner opening which are oppositely arranged, and a guide groove is formed in the frame;

the first dustproof assembly is arranged on the frame and shields an external opening of the frame;

the second dustproof assembly is arranged on the frame and shields the inner opening of the frame, and is provided with a guide table which is matched with the guide groove;

the connecting assembly is used for movably connecting the second dustproof assembly to the first dustproof assembly, and the guide table of the second dustproof assembly is configured to move along the guide groove relative to the first dustproof assembly;

the elastic piece, the both ends of elastic piece contact first dustproof subassembly and second dustproof subassembly respectively.

As a further improved technical scheme of the utility model, the guide groove is positioned on the inner wall surface of the frame, and the second dustproof component is positioned on the inner side of the frame.

As a further improved technical scheme of the utility model, the first dustproof assembly is positioned at the outer opening of the frame, and the second dustproof assembly is positioned between the outer opening and the inner opening of the frame.

As a further improved technical scheme one of the utility model, the frame comprises a first side wall and a second side wall which are oppositely arranged, and the guide groove comprises two guide grooves; the second dustproof assembly comprises a first side and a second side which are oppositely arranged, and the guide table comprises two guide tables; the two guide grooves are oppositely arranged on the inner wall surface of the first side wall and the inner wall surface of the second side wall, and the two guide tables are oppositely arranged on the first side and the second side of the second dustproof assembly.

As a further improved technical scheme, the frame further comprises a third side wall and a fourth side wall which are oppositely arranged; the second dust assembly also includes oppositely disposed third and fourth sides.

As a further improved technical scheme of the utility model, the first side wall and the second side wall have a transverse dimension of L1, the third side wall and the fourth side wall have a longitudinal dimension of L2, and L1 is greater than L2; the first and second sides of the second dust-proof assembly have a dimension L3 in the transverse direction, the third and fourth sides of the second dust-proof assembly have a dimension L4 in the longitudinal direction, and L3> L4.

As a further improved technical scheme one of the utility model, the first dustproof component comprises a first grid part and a first frame part, wherein the first frame part is arranged outside the first grid part in a surrounding way so as to fix the first grid part; the second dustproof assembly comprises a second grid part and a second frame part, and the second frame part is arranged outside the second grid part in a surrounding manner so as to fix the second grid part; the periphery of the first frame part is fixedly connected with the frame, and the two guide tables are oppositely arranged on the second frame part.

As a further improved aspect of the present utility model, the first grid provided in the first grid section and the second grid provided in the second grid section have projections that are common in a plane in which the first grid section or the second grid section is located, and are staggered and do not overlap with each other.

As a further improved technical scheme of the utility model, one end of the connecting component is fixedly connected with the first frame part of the first dustproof component, the other end of the connecting component is movably connected with the second frame part of the second dustproof component, and the elastic component is sleeved on the connecting component.

As a further improved technical scheme of the utility model, the connecting components comprise a plurality of connecting components which are uniformly distributed along the first frame part and the second frame part.

In order to achieve the above purpose, the present utility model adopts the following technical scheme II: a loudspeaker comprising a dust-proof structure as described above.

In order to achieve the above purpose, the present utility model adopts the following technical scheme III: a handset comprising a loudspeaker as described above.

Compared with the prior art, the dustproof device has the advantages that the dustproof effect is improved through the two dustproof components, meanwhile, dust accumulated on the dustproof components is cleaned through vibration of the dustproof components, the service life of the dustproof components can be effectively prolonged, the dustproof effect is improved, and the service performance of a mobile phone is guaranteed.

Drawings

FIG. 1 is a perspective view of a dust-proof structure of the present utility model;

FIG. 2 is another perspective view of the dust-proof structure of the present utility model;

FIG. 3 is an exploded perspective view of the dust guard structure of the present utility model;

FIG. 4 is another exploded perspective view of the dust guard structure of the present utility model;

FIG. 5 is a further exploded perspective view of the dust guard structure of the present utility model;

FIG. 6 is a top view of FIG. 2;

FIG. 7 is a cross-sectional view taken along line A-A in FIG. 6;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6 with the first dust assembly separated from other parts;

FIG. 9 is an enlarged view along section C of FIG. 3;

fig. 10 is an enlarged view along a portion D in fig. 4.

Detailed Description

Referring to fig. 1 to 10, the dustproof structure of the present utility model can be fixedly connected to a housing of a speaker of a mobile phone. The speaker is arranged in the mobile phone, and the speaker can transmit sound signals from inside to outside.

With continued reference to fig. 1 to 10, the dustproof structure of the present utility model includes a frame 1, a first dustproof component 2, a second dustproof component 3, a connecting component 4 and an elastic member 5. The frame 1 has an outer opening 101 and an inner opening 102 arranged opposite each other. The first dust-proof assembly 2 is provided to the frame 1 and shields the outer opening 101 of the frame 1. The second dust-proof component 3 is disposed on the frame 1 and shields the internal opening 102 of the frame 1. In one embodiment, the first dust-proof component 2 is located at the outer opening 101 of the frame 1, and the second dust-proof component 3 is located in the frame 1 and located between the outer opening 101 and the inner opening 102; the connecting component 4 movably connects the second dustproof component 3 to the first dustproof component 2. At least one connecting component 4; in this embodiment, the number of the connection members 4 is plural and the plural connection members 4 are uniformly distributed. The frame 1 is provided with the guide groove 10, the second dustproof component 3 is provided with the guide table 30 matched with the guide groove 10, namely, the guide table 30 of the second dustproof component 3 is configured to move along the guide groove 10 relative to the first dustproof component 2, and two ends of the elastic piece 5 are respectively contacted with the first dustproof component 2 and the second dustproof component 3, so that the dustproof effect can be improved by utilizing double-layer dustproof through the arrangement of the first dustproof component 2 and the second dustproof component 3; in addition, the second dustproof component 3 is movably connected to the first dustproof component 2, and two ends of the elastic piece 5 are respectively contacted with the first dustproof component 2 and the second dustproof component 3, so that the second dustproof component 3 synchronously vibrates when the loudspeaker vibrates, and the first dustproof component 2 also slightly vibrates; through the vibration of the first dustproof component 2 and the second dustproof component 3, dust collected on the first dustproof component 2 and the second dustproof component 3 is cleaned, the service lives of the first dustproof component 2 and the second dustproof component 3 can be effectively prolonged, the dustproof effect is improved, and the service performance of the mobile phone is guaranteed; and through matched with guide way 10 and guide table 30's setting, remove along guide way 10 when being convenient for second dustproof subassembly 3 vibration, further ensured the vibration of first dustproof subassembly 2 and second dustproof subassembly 3, and then further ensured the dustproof effect of first dustproof subassembly 2 and second dustproof subassembly 3, ensured the performance of cell-phone.

Further, in the specific embodiment, the guide groove 10 is located on the inner wall surface of the frame 1 between the outer opening 101 and the inner opening 102, correspondingly, the second dust-proof component 3 is completely located in the frame 1, and the guide table 30 on the second dust-proof component 3 can extend into the guide groove 10 to be matched with the guide groove in the interior of the frame 1; in other embodiments, the first dust-proof component 2 may be further located outside the frame 1 and the first dust-proof component 2 is located on the side of the external opening 101, and/or the second dust-proof component 3 may be further located outside the frame 1 and the second dust-proof component 3 is located on the side of the internal opening 102, the guide groove 10 may be located on an outer wall surface of the frame 1 between the external opening 101 and the internal opening 102, and the guide table 30 on the second dust-proof component 3 is exposed outside the frame 1, that is, the guide table 30 can extend into the guide groove 10 outside the frame 1 to be matched. When the guide groove 10 is located on the inner wall surface of the frame 1 and the second dust-proof member 3 is located inside the frame 1, the overall product size of the dust-proof structure of the present utility model can be reduced as much as possible while securing the main body dust-proof areas of the first dust-proof member 2 and the second dust-proof member 3.

Referring to fig. 7 and 8, the first dust-proof component 2 is located in the outer opening 101 of the frame 1 and the second dust-proof component 3 is located between the outer opening 101 and the inner opening 102 of the frame 1, so that the assembly of the first dust-proof component 2 and the second dust-proof component 3 is facilitated, and the product structure is simpler and more compact; in addition, the second dust-proof component 3 is located between the outer opening 101 and the inner opening 102 of the frame 1, that is, the second dust-proof component 3 is hidden and moved in the frame 1, which is favorable for realizing the effect that the first dust-proof component 2 is driven to vibrate slightly by the large-amplitude vibration of the second dust-proof component 3.

The frame 1 includes a first side wall 11 and a second side wall 12 which are oppositely disposed, the first side wall 11 and the second side wall 12 are oppositely disposed in the vertical direction, i.e., in the longitudinal direction, the second dust-proof component 3 includes a first side and a second side which are oppositely disposed, the guide groove 10 includes two guide grooves 10 which are oppositely disposed on the inner wall surface of the first side wall 11 and the inner wall surface of the second side wall 12, corresponding to the two guide grooves 10, the guide table 30 also includes two guide tables 30 which are oppositely disposed on the first side of the second dust-proof component 3 and the second side of the second dust-proof component 3. Therefore, when the guide grooves 10 and the guide bases 30 are provided in two opposing positions, the balance of the guide can be ensured.

Referring to fig. 3 and 4, the frame 1 further includes a third sidewall 13 and a fourth sidewall 14, where the third sidewall 13 and the fourth sidewall 14 are disposed opposite to each other in a left-right direction, i.e., a lateral direction. The second dust-proof component 3 further comprises a third side and a fourth side which are oppositely arranged, the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 are connected and surrounded to form a containing space 100, and the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 all have inner wall surfaces facing the containing space 100. In the specific embodiment of the utility model, the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 are directly connected and surrounded to form a rectangular accommodating space 100, and the first side, the second side, the third side and the fourth side of the second dustproof component 3 are also directly connected and surrounded to form a rectangle, so that the structure of the product is simplified; in other embodiments, the frame 1 may further form a non-rectangular accommodating space, for example, the first side wall 11 is connected to the adjacent third side wall 13 and the fourth side wall 14 through a section of circular arc, and/or the second side wall 12 is connected to the adjacent third side wall 13 and the fourth side wall 14 through a section of circular arc; also for example: the first side wall 11 and the second side wall 12 are straight line segments which are relatively parallel, the third side wall 13 and the fourth side wall 14 are circular arcs which are arranged in mirror symmetry, and then the accommodating space 100 formed by the frame body 1 is changed into a shape similar to a campus playground runway; even for example: the first side wall 11 and the second side wall 12 are circular arcs which are arranged in a mirror symmetry mode, and the third side wall 13 and the fourth side wall 14 are circular arcs which are arranged in a mirror symmetry mode. The specific shape of the frame 1 can be selected according to the needs, and the second dust-proof component 3 is matched with the specific shape of the frame 1.

Referring to fig. 3 and 4, the dimensions of the first and second sidewalls 11 and 12 in the lateral direction (left-right direction) are L1, the dimensions of the third and fourth sidewalls 13 and 14 in the longitudinal direction (up-down direction) are L2, and L1> L2. Specifically, the guide grooves 10 are provided in two and opposed to each other on the inner wall surface of the first side wall 11 and the inner wall surface of the second side wall 12. The dimensions of the first side and the second side of the second dust-proof assembly 3 in the lateral direction (left-right direction) are L3, and the dimensions of the third side and the fourth side of the second dust-proof assembly 3 in the longitudinal direction (up-down direction) are L4, L3> L4. It should be further noted that, the two guide tables 30 are disposed on the first side of the second dust-proof component 3 and the second side of the second dust-proof component 3, and the guide grooves 10 are disposed on the first side wall 11 and the second side wall 12 with larger dimensions, the guide tables 30 are disposed on the first side and the second side of the second dust-proof component 3 with larger dimensions, the guide grooves 10 provide moving tracks in the inner and outer directions, and the moving direction is determined, so that the second dust-proof component 3 moves smoothly in the frame 1, and the guiding stability is ensured.

Referring to fig. 4, 5 and 7, the first dust-proof component 2 includes a first grid portion 21 and a first frame portion 22, and the first frame portion 22 is disposed around the first grid portion 21 to fix the first grid portion 21. The second dust-proof assembly 3 includes a second mesh portion 31 and a second frame portion 32, and the second frame portion 32 is disposed around the second mesh portion 31 to fix the second mesh portion 31. The periphery of the first frame part 22 is fixedly connected with the frame 1, and the periphery of the second frame part 32 slides in the frame 1 in a limiting manner. The two guide tables 30 are oppositely arranged on the second frame part 32, and the dustproof structure is simpler due to the arrangement of the structure, so that the production is facilitated and the cost is saved. In the specific embodiment, the guide table 30 extends upward and/or downward from the edge of the second frame portion 32, so as to facilitate molding. Therefore, the first frame portion 22 serves to fix the middle first mesh portion 21 to the peripheral frame 1; the second frame portion 32 serves to fix the second mesh portion 31 in the frame 1 and extend the guide table 30 for guiding and positioning.

Referring to fig. 1 to 6, the first grid provided in the first grid section 21 and the second grid provided in the second grid section 31 have projections in a plane where either grid section is located, which are mutually staggered and do not overlap. That is, the projections of the grids on the first grid part 21 and the second grid part 31 need to be staggered and not overlapped with each other in the same plane, so as to achieve a better dust-proof effect of the double-layer dust-proof assembly. The "same plane" here refers to a plane in which the first mesh portion 21 is located, or may be a plane in which the second mesh portion 22 is located. Please refer to fig. 5, 7 and 8, one end of the connecting component 4 is fixedly connected with the first frame 22 of the first dustproof component 2, and the other end of the connecting component 4 is movably connected with the second frame 32 of the second dustproof component 3, so as to further ensure the vibration of the first dustproof component 2 and the second dustproof component 3, so as to ensure that the service lives of the first dustproof component 2 and the second dustproof component 3 can be effectively prolonged, improve the dustproof effect, ensure the service performance of the mobile phone, and facilitate the assembly and positioning of the connecting component 4. The connecting assembly 4 is located to the elastic component 5 cover, and the comparatively simple setting of elastic component 5 of being convenient for, and because the guiding effect of connecting assembly 4 to elastic component 5, the elastic component 5 of being convenient for ensures that elastic component 5 applys elastic force to second dustproof subassembly 3 and first dustproof subassembly 2, and then ensures the vibration of first dustproof subassembly 2 and second dustproof subassembly 3.

Referring to fig. 2, the plurality of connection assemblies 4 are uniformly distributed along the first frame portion 22 and the second frame portion 32, so that the stability of connection between the first dust-proof assembly 2 and the second dust-proof assembly 3 is ensured, and the movement of the second dust-proof assembly 3 to the first dust-proof assembly 2, which is more balanced, is ensured, so as to ensure the balance of vibration.

Referring to fig. 5, each of the connection assemblies 4 includes a pin 41 and a nut 42. Opposite ends of the pin 41 are respectively connected to the first dust-proof component 2 and the second dust-proof component 3, and at least one of the opposite ends is movably connected. In a specific embodiment, one of opposite ends of the pin 41 is fixedly connected with the first dust-proof component 2, the other of opposite ends of the pin 41 is movably connected with the second dust-proof component 3, and the nut 42 is blocked at the movable end of the pin 41. Therefore, the two ends of the elastic member 5 only need to contact the first dust-proof component 2 and the second dust-proof component 3 respectively, that is, the elastic member 5 can provide the elastic force between the first dust-proof component 2 and the second dust-proof component 3, and the specific shape of the elastic member 5 is not limited. In the present embodiment, the elastic member 5 is a rubber body which is provided around the pin 41. In other embodiments, the elastic member 5 may be a coil spring that is looped around the pin 41, and the elastic member 5 may be a spring piece that is disposed beside the pin 41.

With continued reference to fig. 3, 4, 5, 9 and 10, the dust-proof structure of the present utility model further includes a plurality of fasteners 6 (e.g., fastening screws). The first frame portion 22 of each first dust assembly 2 is provided with a locating hole 20. Each fastener 6 is correspondingly locked into one of the locating holes 20, thereby fixedly connecting one end of the pin 41 with the first dust-proof assembly 2. Of course, the manner in which the pin 41 is inserted into the locating hole 20 by connecting the fastener 6 is not necessary, and the connecting assembly 4 may be other embodiments, such as a bolt with a nut and a stud, the nut corresponding to the function of the fastener 6 when the stud portion of the bolt passes through the locating hole 20 of the first dust-proof assembly 2.

According to the dustproof structure, the loudspeaker and the mobile phone, the dustproof effect is improved through the two dustproof components, meanwhile, the service life of the dustproof components can be effectively prolonged through cleaning dust collected on the two dustproof components, the dustproof effect is further improved, and the service performance of the mobile phone is guaranteed.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and the understanding of the present specification should be based on the description of the directivity of the present utility model such as "front", "rear", "left", "right", "upper", "lower", etc., and although the present specification has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalent by those skilled in the art, and all the technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be covered by the claims of the present utility model.

Claims (12)

1. A dust-proof structure, characterized in that the dust-proof structure comprises:

a frame (1) having an outer opening (101) and an inner opening (102) which are arranged opposite to each other, wherein a guide groove (10) is provided on the frame (1);

a first dust-proof component (2) which is arranged on the frame (1) and shields the external opening (101) of the frame (1);

the second dustproof assembly (3) is arranged on the frame (1) and shields the inner opening (102) of the frame (1), the second dustproof assembly (3) is provided with a guide table (30), and the guide table (30) is matched with the guide groove (10);

the connecting component (4) is used for movably connecting the second dustproof component (3) to the first dustproof component (2), and a guide table (30) of the second dustproof component (3) is configured to move along the guide groove (10) relative to the first dustproof component (2);

the two ends of the elastic piece (5) are respectively contacted with the first dustproof component (2) and the second dustproof component (3).

2. The dust-proof structure according to claim 1, characterized in that the guide groove (10) is located on an inner wall surface of the frame (1), and the second dust-proof assembly (3) is located inside the frame (1).

3. The dust-proof structure of claim 2, characterized in that the first dust-proof assembly (2) is located at the outer opening (101) of the frame (1), and the second dust-proof assembly (3) is located between the outer opening (101) and the inner opening (102) of the frame (1).

4. The dust-proof structure according to claim 2, characterized in that the frame (1) comprises a first side wall (11) and a second side wall (12) arranged opposite each other, the guide groove (10) comprising two; the second dustproof assembly (3) comprises a first side and a second side which are oppositely arranged, and the guide table (30) comprises two guide tables; the two guide grooves (10) are oppositely arranged on the inner wall surface of the first side wall (11) and the inner wall surface of the second side wall (12), and the two guide tables (30) are oppositely arranged on the first side and the second side of the second dustproof assembly (3).

5. The dust-proof structure according to claim 4, characterized in that the frame (1) further comprises a third side wall (13) and a fourth side wall (14) arranged opposite each other;

the second dust-proof assembly (3) further comprises a third side and a fourth side arranged opposite to each other.

6. The dust-proof structure according to claim 5, characterized in that the first side wall (11) and the second side wall (12) have a dimension L1 in the lateral direction, the third side wall (13) and the fourth side wall (14) have a dimension L2 in the longitudinal direction, and L1> L2;

the first side and the second side of the second dust-proof assembly (3) have a dimension L3 in the transverse direction, the third side and the fourth side of the second dust-proof assembly (3) have a dimension L4 in the longitudinal direction, and L3> L4.

7. The dust-proof structure according to any one of claims 2 to 6, wherein the first dust-proof assembly (2) includes a first mesh portion (21) and a first frame portion (22), the first frame portion (22) being disposed around the first mesh portion (21) to fix the first mesh portion (21); the second dustproof assembly (3) comprises a second grid part (31) and a second frame part (32), and the second frame part (32) is arranged outside the second grid part (31) in a surrounding manner so as to fix the second grid part (31); the periphery of the first frame part (22) is fixedly connected with the frame (1), and the two guide tables (30) are oppositely arranged on the second frame part (32).

8. The dustproof structure according to claim 7, characterized in that the first grid provided in the first grid section (21) and the second grid provided in the second grid section (31) have projections that are common in a plane in which the first grid section (21) or the second grid section (31) is located, and are staggered and do not overlap with each other.

9. The dustproof structure according to claim 7, wherein one end of the connecting component (4) is fixedly connected with the first frame portion (22) of the first dustproof component (2), the other end of the connecting component (4) is movably connected with the second frame portion (32) of the second dustproof component (3), and the elastic piece (5) is sleeved on the connecting component (4).

10. The dust-proof structure according to claim 9, wherein the connection assembly (4) includes a plurality of the connection assemblies (4) uniformly distributed along the first frame portion (22) and the second frame portion (32).

11. A loudspeaker comprising a dust-proof structure as claimed in any one of claims 1 to 10.

12. A mobile phone comprising the speaker of claim 11.