CN210579165U - Dustproof construction and earphone box that charges - Google Patents

Abstract

The utility model discloses a dustproof construction and earphone box that charges. The dust-proof structure comprises a shell, a dust-proof cover and a locking assembly. The shell is provided with a charging socket. The dust cover is hinged to the shell and rotates to open or close the charging socket, a dust cover elastic piece is arranged between the dust cover and the shell, and the dust cover has a movement trend of opening the charging socket due to elastic resetting force of the dust cover elastic piece. The locking assembly is arranged on the shell, at least part of the locking assembly is exposed out of the shell, and the locking assembly is clamped and fixed with the dust cover in a sealing cover state. In the dustproof structure, the dustproof cover is directly hinged on the shell, so that the dustproof structure is not required to be stored by oneself and can prevent loss; under the state that the charging socket is covered by the dustproof cover, the dustproof cover is not easy to automatically bounce off due to the locking effect of the locking assembly, and the dustproof cover is dustproof and reliable.

Description

Dustproof construction and earphone box that charges

Technical Field

The utility model relates to an electronic equipment technical field, in particular to dustproof construction and earphone charging box.

Background

To the equipment that has charging socket such as earphone charging box, when not charging, if charging socket exposes for a long time, debris such as can the accumulation dust, be difficult for the clearance, influence the function of charging and life, so charging socket carries out dustproof design usually.

In a typical charging box for earphones, as shown in fig. 1 and 2, a charging jack of a housing 01 is provided with a dust plug 02, and the dust plug 02 and the housing 01 are designed to be separated. The dustproof plug 02 is usually arranged in a charging socket of the shell 01 and attached to a charging box, and is specifically inserted into the charging socket by holding the dustproof plug 02 by hand; the dust plug 02 is pulled out during charging, and is stored by a user, but is easy to lose during self-storage.

Therefore, how to provide a loss-proof dustproof structure is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a dustproof structure, which is not lost when in use. Another object of the present invention is to provide an earphone charging box including the above dustproof structure, wherein the dustproof structure is not lost.

In order to achieve the above object, the utility model provides a following technical scheme:

a dustproof structure comprises a shell, wherein a charging socket is arranged on the shell; further comprising:

the dustproof cover is hinged to the shell and rotates to open or close the charging socket, a dustproof cover elastic piece is arranged between the dustproof cover and the shell, and the dustproof cover has a movement trend of opening the charging socket due to elastic resetting force of the dustproof cover elastic piece;

the locking assembly is arranged on the shell, at least part of the locking assembly is exposed out of the shell, and the locking assembly is clamped and fixed with the dust cover in a sealing cover state.

Preferably, the locking assembly comprises:

the sliding block assembly is used for clamping and fixing the dust cover, part of the sliding block assembly is partially exposed out of the shell, and the sliding block assembly is connected to the shell in a sliding mode;

locate slider assembly with the slider elastic component between the casing, the elasticity restoring force of slider elastic component makes slider assembly has and leans on to the motion trend of shield.

Preferably, the slider assembly comprises:

the key is connected with the shell in a sliding mode, the sliding direction is limited to a first direction, and the surface of the key part is exposed out of the shell;

the clamping block is used for clamping and fixing the dust cover, the clamping block is connected to the shell in a sliding mode, the sliding direction of the clamping block is limited to be the second direction, the clamping block is arranged in the shell, the clamping block is in sliding fit with the key through a wedge structure, and the key moves along the first direction to drive the clamping block to move along the second direction, so that the clamping block is far away from the dust cover.

Preferably, a clamping groove for clamping and fixing the clamping block and a pushing inclined plane for pushing the clamping block to avoid the dust cover in the movement of the sealing cover are sequentially arranged on the dust cover along the movement direction of the sealing cover; in the movement direction of the dust cover, the distance between the pushing inclined plane and the rotation center of the dust cover is gradually reduced.

Preferably, a key stopper is arranged on the key, and the key stopper abuts against the shell to limit the maximum distance of the key sliding out of the shell.

Preferably, the casing includes main casing body and mounting panel, set gradually along the direction from inside to outside on the main casing body charging socket and mounting groove, the mounting panel is fixed in the mounting groove, on the mounting panel with the relative position of charging socket runs through and is equipped with the jack, the fixture block with button sliding connection in the mounting panel, the shield articulate in the mounting panel.

Preferably, a columnar hinge shaft is fixedly arranged on the shell, an arc-shaped groove is formed in the dustproof cover, and the arc-shaped groove is rotationally buckled on the hinge shaft.

Preferably, the end part of the outer surface of the dust cover which is turned inwards in the opening movement is provided with an end part inclined plane; the distance between the end inclined plane and the rotation center of the dust cover is gradually increased along the opening movement direction of the dust cover; and in the cover closing state, the end part inclined plane is attached to the wall surface of the shell.

Preferably, in the cover closing state, a free end of the dust cover far away from the rotation center of the dust cover is clamped and fixed with the locking assembly.

An earphone charging box comprises the dustproof structure, wherein an earphone mounting cavity is formed in the shell.

The utility model provides a dustproof construction, including casing, shield and locking Assembly. The shell is provided with a charging socket. The dust cover is hinged to the shell and rotates to open or close the charging socket, a dust cover elastic piece is arranged between the dust cover and the shell, and the dust cover has a movement trend of opening the charging socket due to elastic resetting force of the dust cover elastic piece. The locking assembly is arranged on the shell, at least part of the locking assembly is exposed out of the shell, and the locking assembly is clamped and fixed with the dust cover in a sealing cover state.

In the dustproof structure, the dustproof cover is directly hinged on the shell, so that the dustproof structure is not required to be stored by oneself and can prevent loss; under the state that the charging socket is covered by the dustproof cover, the dustproof cover is not easy to automatically bounce off due to the locking effect of the locking assembly, and the dustproof cover is dustproof and reliable.

The utility model provides a pair of earphone charging box including above-mentioned dustproof construction, its dustproof construction can not lose.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a diagram of a prior art dust plug;

fig. 2 is a block diagram of a prior art earphone charging box;

fig. 3 is a structural diagram of the dustproof structure provided by the present invention;

fig. 4 is a structural diagram of the dustproof structure provided by the present invention in a state of hiding the dustproof cover;

fig. 5 is a cross-sectional view of the dustproof structure provided by the present invention in a state of covering the dustproof cover;

fig. 6 is an exploded view of the dustproof structure provided by the present invention;

fig. 7 is an anti-interference schematic diagram of the end inclined plane position in the dustproof structure provided by the present invention.

Reference numerals:

01-shell, 02-dust plug;

1-main shell, 11-charging socket, 12-mounting groove;

2-a dustproof cover, 21-a dustproof cover elastic part, 22-a pushing inclined plane, 23-a clamping groove, 24-an end inclined plane and 25-an arc-shaped groove;

3-key, 31-key stop;

4-mounting plate, 41-hinged shaft, 42-key slideway and 43-fixture block slideway;

5-clamping blocks;

6-slider elastic member.

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.

The core of the utility model is to provide a dustproof construction, it can not lose when using. The other core of the utility model is to provide an earphone charging box including above-mentioned dustproof construction, its dustproof construction can not lose.

It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The utility model provides a dustproof construction in a concrete embodiment, including casing, shield 2 and locking Assembly. As shown in fig. 3 to 6 in particular, the dustproof structure is applied to a charging box of an earphone, and accordingly, the housing is a housing of the charging box. The shell is provided with a charging socket 11 for electrically connecting an external power supply. Of course, in other embodiments, the dustproof structure may also be applied to a device having the charging socket 11, such as a mobile phone and a smart wearable device.

The dust cover 2 is hinged to the housing, and the dust cover 2 opens or closes the charging inlet 11 by rotating on the housing. A dust cap elastic member 21, which may be a torsion spring, is disposed between the dust cap 2 and the housing. The elastic restoring force of the dust cover elastic member 21 causes the dust cover 2 to have a tendency to open the charging inlet 11.

The locking assembly is arranged on the shell, and at least part of the locking assembly is exposed out of the shell so that a user can control the locking assembly to move. Under the closing cap state, in the state that shield 2 closing cap charging socket 11, locking Assembly joint is fixed shield 2, realizes the keeping of shield 2 closing cap action.

At ordinary times, the dust cap 2 rotates to the position for covering the charging socket 11, and the locking assembly overcomes the elasticity of the elastic piece 21 of the dust cap to lock the dust cap 2; when charging is needed, the locking assembly is controlled to release the clamping connection of the dustproof cover 2, and the dustproof cover 2 automatically rotates away under the action of the elastic reset force of the dustproof cover elastic piece 21 to open the charging socket 11; after charging is finished, the dust cover 2 is covered on the charging socket 11 again.

In the dustproof structure in the embodiment, the dustproof cover 2 is directly hinged on the shell, so that the dustproof structure is not required to be stored by oneself and can be prevented from being lost; under the state that shield 2 closing cap charging socket 11, owing to the locking effect of locking Assembly, shield 2 is difficult automatic the bullet to be opened, and is dustproof reliable.

Further, referring to fig. 5, the locking assembly includes a slider assembly and a slider elastic member 6. The slider assembly is slidably coupled to the housing. The sliding block assembly may include one or more sliding blocks, and the sliding directions of the different sliding blocks may be the same or different. The slider assembly is snap fitted to or removed from the dust cap 2 by sliding in the housing. The sliding block component is partially exposed out of the shell. The slider elastic member 6 is provided between the slider assembly and the housing, and the slider assembly has a tendency to move toward the dust cap 2 by the elastic restoring force of the slider elastic member 6. Through the setting of slider elastic component 6, after removing the external force that applys to the slider assembly, can rely on the elasticity of slider elastic component 6 to make the slider assembly automatically lean on to the shield motion and then reliably lock shield 2.

Of course, in other embodiments, the slider elastic member 6 may not be provided, and the locking of the housing may be achieved by manually adjusting the position of the slider assembly, wherein the slider assembly may be stopped by friction with the housing when moving to any position.

Further, the slider assembly comprises two sliders: such as the key 3 and the latch 5 shown in fig. 6. The key 3 is slidably connected to the housing and the sliding direction is defined as a first direction, and a part of the surface of the key 3 is exposed out of the housing for the user to contact to apply the acting force. The fixture block 5 is used for clamping and fixing the dust cover 2, the fixture block 5 is connected to the shell in a sliding mode, and the sliding direction is limited to be the second direction. Wherein the first direction and the second direction preferably form an angle of 90 °. The fixture block 5 is arranged in the shell, the fixture block 5 is in sliding fit with the key 3 through the wedge structure, so that the key 3 moves along the first direction to drive the fixture block 5 to move along the second direction, and the fixture block 5 is further far away from the dust cover 2.

Wherein, optionally, the sliding block elastic element 6 is a compression spring abutting between the fixture block 5 and the housing.

The wedge structure specifically includes an inclined surface disposed on at least one of the fixture block 5 and the key 3, and the inclined surface is inclined with respect to the first direction and the second direction. In the position shown in fig. 5, when the key 3 is pressed, the fixture block 5 moves to the right under the action of the wedge structure, the key 3 is released, and the fixture block 5 moves to the left under the action of the slide block elastic piece 6 and drives the key 3 to move upwards.

Because the fixture block 5 is arranged in the shell, correspondingly, the clamping position of the fixture block 5 and the dust cover 2 is also arranged in the shell, the clamping position can be protected by the shell, the moving directions of the key 3 and the fixture block 5 can be converted through the wedge structure, and the sliding control of the fixture block 5 arranged in the shell can be indirectly realized.

Further, a clamping groove 23 for clamping and fixing the clamping block 5 and a pushing inclined surface 22 for pushing the clamping block 5 to avoid the dust cover 2 in the sealing movement are sequentially arranged on the dust cover 2 along the sealing movement direction. The distance of the push slope 22 from the rotation center of the dust cap 2 gradually decreases in the direction of the cap movement of the dust cap 2.

With the orientation shown in fig. 5 as a reference, the direction of the closing movement of the dust cap 2 is clockwise, and correspondingly, the direction of the opening movement is counterclockwise.

In the process of the cover closing movement, the pushing inclined plane 22 firstly passes through the fixture block 5 and continuously pushes the fixture block 5 to be away from the rotation center of the dust cover 2, so that an avoiding space is provided for the continuous rotation of the dust cover 2, and in the process, the deformation degree of the sliding block elastic piece 6 is increased. When the dust cap 2 rotates to the position where the clamping groove 23 is aligned with the clamping block 5, the sliding block elastic part 6 moves in a resetting mode to drive the clamping block 5 to be close to the clamping groove 23, and the clamping block 5 is clamped into the clamping groove 23.

Through the setting that promotes inclined plane 22, at the closing cap in-process, need not to press in addition button 3, only need press shield 2, fixture block 5 can be kept away from behind shield 2 again reverse automatic being close to shield 2 under shield 2's promotion promptly, realizes the joint, is convenient for realize the closing cap.

Further, under the closing cap state, the free end that keeps away from its rotation center on the shield 2 is fixed with the locking subassembly joint, this position on the shield 2 is locked to the locking subassembly, compares in other positions, can provide the biggest moment of preventing changeing to shield 2, prevents changeing reliably.

Furthermore, a key stopper 31 is arranged on the key 3, and the key stopper 31 abuts against the shell to limit the maximum distance of the key 3 sliding out of the shell, so that the limiting is reliable. Preferably, in a sealing state, after the fixture block 5 is clamped and fixed with the dust-proof plate 2, the key 3 does not protrude out of the housing, so as to avoid triggering the key 3 by mistake.

Further, the casing includes main casing body 1 and mounting panel 4, sets gradually charging socket 11 and mounting groove 12 along the direction from inside to outside on the main casing body 1, and mounting panel 4 is fixed in mounting groove 12, and the position relative with charging socket 11 on the mounting panel 4 runs through and is equipped with the jack to supply charging socket 11 and external power supply's electricity to be connected. The fixture block 5 and the key 3 are slidably connected to the mounting plate 4, specifically, as shown in fig. 5 and 6, a fixture block slideway 43 is enclosed by the groove wall of the mounting groove 12 and the mounting plate 4, the fixture block 5 is slidably connected to the fixture block slideway 43, a key slideway 42 is penetratingly arranged on the mounting plate 4, and the key 3 is slidably connected to the key slideway 42. The dust cover 2 is hinged to the mounting plate 4.

As shown in fig. 6, in the assembling process, the dust cap 2, the dust cap elastic member 21, the key 3 and the fixture block 5 can be assembled on the mounting plate 4 to form a dust cap module, and then the dust cap module and the slider elastic member 6 are installed in the mounting groove 12, so that the assembling is convenient.

Further, as shown in fig. 5 and 6, a columnar hinge shaft 41 is fixedly disposed on the housing, an arc-shaped groove 25 is disposed on the dust cover 2, the arc-shaped groove 25 is rotatably buckled on the hinge shaft 41, and the hinge shaft 41 is directly integrally formed on the mounting plate 4, so that the number of parts can be reduced, and the structure can be simplified. Wherein, when setting the central angle of the arc-shaped groove 25, the central angle is usually greater than 180 degrees, so as to ensure that a certain magnitude of interference exists between the arc-shaped groove 25 and the hinge shaft 41 in the circumferential direction, and prevent the arc-shaped groove 25 from dropping off the hinge shaft 41 in the rotating process.

Further, the end portion of the outer surface of the dust cap 2 that is turned inside in the opening movement is provided with an end slope 24. Wherein, the outer surface of the dust cap 2 refers to the surface of the dust cap 2 far away from the charging socket 11 in the closing state, and in addition, in the rotation process of the dust cap 2, on both sides of the hinge shaft 41, one end of the dust cap 2 is far away from the charging socket to rotate, i.e. to rotate outwards, while the other end rotates towards the charging socket, as shown in fig. 5, the left end of the dust cap 2 is the end to rotate inwards in the opening process of the dust cap 2. The distance of the end slope 24 from the rotation center of the dust cover 2 gradually increases in the direction of the opening movement of the dust cover 2. In the closed state, the end slope 24 is in contact with the wall surface of the housing.

Specifically, as shown in fig. 7, in the closed state, in the cross section in the direction perpendicular to the rotation center of the dust cap (i.e., the center line of the hinge shaft 41), the end slope 24 corresponds to a line segment AB, accordingly, the wall surface of the housing that is in contact with the end slope 24 coincides with the line segment AB, the rotation center position of the dust cap 2 is O, and the distance from the point O to the line segment AB in the opening movement direction (counterclockwise direction in the drawing) gradually increases. During the opening movement, the end portion inclined plane 24 does not interfere with the housing, specifically, as shown by a line segment A1B1, during the opening movement, each point on the end portion inclined plane 24 can gradually get away from the wall surface of the housing coinciding with the line segment AB; in addition, in the closed state, the degree of adhesion between the dust cap 2 and the housing can be ensured. In addition, through the tolerance design, under the closing cap state, can guarantee that button 3, shield 2 and casing combine the gap less everywhere, guarantee dustproof effect.

The dustproof construction that this embodiment provided is applied to the earphone and charges the box, can charge the box production along with the earphone. Dustproof construction's shield 2 and casing form hinge panel turnover mechanism, and when the box that charges, trigger button 3 makes shield 2 automatic open, reserves to charge for charging socket 11 sufficient space. After charging, the dustproof cover 2 is pressed to seal the charging socket 11 to realize the dustproof function, so that dust can be prevented from entering the charging socket.

In addition to above-mentioned dustproof construction, the utility model also provides an earphone charging box, this earphone charging box include dustproof construction, specifically can be the dustproof construction that provides in the above arbitrary embodiment, and each embodiment above beneficial effect can be correspondingly referred to. Wherein, be equipped with earphone installation cavity in the casing. The structure of other parts of the earphone charging box refers to the prior art, and is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a dustproof construction and earphone box of charging have carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A dustproof structure comprises a shell, wherein a charging socket (11) is arranged on the shell; it is characterized by also comprising:

the dustproof cover (2) is hinged to the shell and rotates to open or close the charging socket (11), a dustproof cover elastic piece (21) is arranged between the dustproof cover (2) and the shell, and the dustproof cover (2) has a movement tendency of opening the charging socket (11) due to the elastic resetting force of the dustproof cover elastic piece (21);

the locking assembly is arranged on the shell, at least part of the locking assembly is exposed out of the shell, and the locking assembly is clamped and fixed with the dust cover (2) in a sealing cover state.

2. The dust-proof structure according to claim 1, wherein the locking assembly comprises:

the sliding block assembly is used for clamping and fixing the dust cover (2), part of the sliding block assembly is exposed out of the shell, and the sliding block assembly is connected to the shell in a sliding mode;

locate slider assembly with slider elastic component (6) between the casing, the elasticity restoring force of slider elastic component (6) makes slider assembly have by to the motion trend of shield (2).

3. The dust-proof structure according to claim 2, wherein the slider assembly comprises:

the key (3) is connected with the shell in a sliding mode, the sliding direction is limited to a first direction, and part of the surface of the key (3) is exposed out of the shell;

the clamping device is used for clamping and fixing the clamping block (5) of the dust cover (2), the clamping block (5) is connected to the shell in a sliding mode, the sliding direction of the shell is limited to be the second direction, the clamping block (5) is arranged in the shell, the clamping block (5) is in sliding fit with the key (3) through a wedge structure, and therefore the key (3) moves along the first direction to drive the clamping block (5) to move along the second direction, and the clamping block (5) is further kept away from the dust cover (2).

4. The dustproof structure according to claim 3, wherein a clamping groove (23) for clamping and fixing the clamping block (5) and a pushing inclined surface (22) for pushing the clamping block (5) to avoid the dustproof cover (2) in the cover movement are sequentially arranged on the dustproof cover (2) along the cover movement direction; in the direction of the cover movement of the dust cover (2), the distance between the pushing inclined plane (22) and the rotation center of the dust cover (2) is gradually reduced.

5. A dust protection arrangement according to claim 3, characterized in that a key stop (31) is provided on the key (3), which key stop (31) limits the maximum distance the key (3) can slide out of the housing by abutting against the housing.

6. The dustproof structure according to claim 3, wherein the housing comprises a main housing body (1) and a mounting plate (4), the main housing body (1) is sequentially provided with the charging socket (11) and a mounting groove (12) along an inside-to-outside direction, the mounting plate (4) is fixed in the mounting groove (12), a jack is arranged on the mounting plate (4) in a penetrating manner at a position opposite to the charging socket (11), the fixture block (5) and the key (3) are slidably connected to the mounting plate (4), and the dustproof cover (2) is hinged to the mounting plate (4).

7. The dustproof structure according to any one of claims 1 to 6, wherein a columnar hinge shaft (41) is fixedly provided on the housing, and an arc-shaped groove (25) is provided on the dustproof cover (2), and the arc-shaped groove (25) is rotatably buckled to the hinge shaft (41).

8. Dust protection according to any one of claims 1 to 6, characterized in that the end of the outer surface of the dust cover (2) turned inside in the opening movement is provided with an end bevel (24); the distance between the end inclined surface (24) and the rotation center of the dust cover (2) is gradually increased along the opening movement direction of the dust cover (2); in the closed state, the end part inclined plane (24) is attached to the wall surface of the shell.

9. The dust protection structure according to any one of claims 1 to 6, wherein in the closed state, a free end of the dust protection cover (2) remote from the rotation center thereof is fixed in a clamping manner with the locking component.

10. An earphone charging box comprising the dust-proof structure of any one of claims 1 to 9, wherein an earphone mounting cavity is provided in the housing.

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