CN217011138U - Charging box and earphone assembly - Google Patents

Abstract

The utility model discloses a charging box and an earphone assembly, which comprise a box body and a cover body in rotating or sliding connection with the box body, wherein the box body comprises a shell, a circuit board, a rechargeable battery and an inner support for placing a wireless earphone, an open accommodating cavity is formed in the shell in a concave manner, the circuit board and the rechargeable battery are arranged in the accommodating cavity, and the inner support is arranged at the opening of the accommodating cavity; the box body comprises a fixing structure with a fixing column, a limiting structure and a clamping structure are arranged on the containing cavity, a containing groove is formed in the limiting structure, a connecting column is arranged on one side, back to the fixing column, of the fixing structure, the connecting column is inserted in the containing groove, the clamping structure is clamped on the end face of the fixing structure, and the circuit board is fixed on the fixing column.

Description

Charging box and earphone assembly

Technical Field

The utility model relates to the technical field of earphones, in particular to a charging box and an earphone assembly.

Background

For the convenience of carrying, wireless earphone's the box that charges has appeared on the market, and it is including the chamber of accomodating and the battery of setting in the box that charges that can hold wireless earphone, through placing wireless earphone in accomodating the intracavity, wireless earphone and battery can realize the electricity and be connected, have further made things convenient for people's life from this.

The bottom of present charging box extends usually has two screw thread posts for the phenomenon such as the box that charges appears the outward appearance in the junction of screw thread post and gives out light and contract, need spend a large amount of time debugging injection molding machine in order to overcome this problem, probably still carry out spraying to the outward appearance simultaneously and handle, not only increase cost, time waste in addition.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charging box and an earphone assembly, wherein a fixing structure and a shell are formed in a split mode, and then the fixing structure is assembled on the shell, so that two threaded columns do not need to extend from the bottom of the shell, and the appearance problem of the shell is solved.

According to a first aspect of the present invention, the present invention provides a charging box, which includes a box body and a cover body rotatably or slidably connected to the box body, wherein the box body includes a housing, a circuit board, a rechargeable battery and an inner holder for placing a wireless earphone, an open receiving cavity is concavely formed on the housing, the circuit board and the rechargeable battery are disposed in the receiving cavity, and the inner holder is mounted at the opening of the receiving cavity;

the box body comprises a fixing structure with a fixing column, a limiting structure and a clamping structure are arranged on the containing cavity, a containing groove is formed in the limiting structure, a connecting column is arranged on one side, opposite to the fixing column, of the fixing structure, the connecting column is inserted in the containing groove, the clamping structure is clamped on the end face of the fixing structure, and the circuit board is fixed on the fixing column.

In the charging box according to an embodiment of the present invention, the fixing structure includes a connecting beam, the fixing column and the connecting column are respectively disposed at two opposite ends of the connecting beam, and the clamping structure is clamped on an end surface of the connecting beam facing away from the limiting structure.

In the charging box according to an embodiment of the present invention, the position limiting structure includes a first protrusion and a second protrusion, the first protrusion is connected to the side wall of the housing through the second protrusion to form the receiving groove, and the connecting column is inserted into one side or both sides of the second protrusion.

In the charging box according to the embodiment of the present invention, the number of the second protrusions is two, and the two second protrusions are spaced apart from and arranged in parallel to each other between the first protrusion and the side wall of the housing.

In the charging box according to an embodiment of the present invention, the connection posts include a first connection post and a second connection post, and a distance between the first connection post and the second connection post is adapted to a thickness of the second protrusion.

In the charging box according to an embodiment of the present invention, the connecting column is provided with a guide slope at an end away from the fixing column.

In the charging box according to an embodiment of the present invention, a clamping table is disposed on a side wall of the accommodating cavity opposite to the limiting structure, one side of the circuit board is clamped on the clamping table, and the other side of the circuit board is fixed to the fixing column.

In the charging box according to an embodiment of the present invention, two arc-shaped grooves are formed in the circuit board, two adaptive cylinders for forming an earphone accommodating groove are formed in the inner holder, and the two adaptive cylinders are correspondingly disposed in the arc-shaped grooves.

In the charging box according to an embodiment of the present invention, the rechargeable battery is disposed in a receiving cavity formed by the circuit board and the housing, and a contact extending into the earphone receiving slot is disposed on a side of the circuit board opposite to the rechargeable battery, for charging the wireless earphone.

According to a second aspect of the present invention, the present invention further provides an earphone assembly, which includes a wireless earphone and the charging box, wherein the wireless earphone is accommodated in the inner holder of the charging box.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a box and earphone subassembly charge, including the box body and with the box body rotation or sliding connection's lid, wherein, the sunken open-ended chamber of accomodating that is formed with of shell of box body accomodates and is provided with limit structure on the chamber to the fixed knot who will have the fixed column constructs to be fixed on limit structure, makes the circuit board fix on the fixed column, need not extend two screw thread posts in the bottom of shell, has solved the outward appearance problem of shell with this.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an earphone assembly according to an embodiment of the present application;

fig. 2 is a schematic view of the expanded structure of the earphone assembly of fig. 1;

fig. 3 is a schematic structural view of the charging box of fig. 1;

FIG. 4 is a schematic structural view of the inner holder of FIG. 1;

FIG. 5 is a schematic view of a portion of the cartridge of FIG. 1;

FIG. 6 is a schematic partial cross-sectional view of the cartridge of FIG. 1;

FIG. 7 is a partially exploded schematic view of the cassette of FIG. 1;

FIG. 8 is an exploded view of the housing and mounting structure of FIG. 1;

FIG. 9 is a schematic view of the housing of FIG. 1;

FIG. 10 is a schematic view of the housing of FIG. 1 at another angle;

fig. 11 is a schematic structural view of the glue injection column in fig. 1 connected to a limiting structure;

FIG. 12 is a schematic structural view of the fastening structure of FIG. 1;

FIG. 13 is a schematic view of the cover of FIG. 1;

FIG. 14 is a block diagram of a prior art design of the housing of FIG. 1;

fig. 15 is a structural view of the conventional housing of fig. 1 after injection molding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 13, according to a first aspect of the present application, the present application provides a charging box, which includes a box 100 and a cover 200 rotatably or slidably connected to the box 100, wherein the box 100 includes a housing 10, a circuit board 40, a rechargeable battery 50, and an inner holder 30 for placing a wireless headset 300. In this embodiment, the housing 10 is recessed to form an open receiving cavity 11, the circuit board 40 and the rechargeable battery 50 are disposed in the receiving cavity 11, the inner holder 30 is mounted at the opening of the receiving cavity 11, and when the cover 200 is closed with respect to the case 100, the rechargeable case can receive and store the wireless headset 300.

Illustratively, the cover 200 is provided with a rotation shaft 201, the housing 10 is provided with a rotation shaft groove 12, and the rotation shaft 201 is rotatably mounted on the rotation shaft groove 12, so that the cover 200 can rotate to a closed state and an open state relative to the case 100. When the cover 200 is in the unfolded state relative to the case 100, the user can conveniently take or place the wireless headset 300; when the cover 200 is closed with respect to the case 100, the wireless headset 300 can be placed on the inner holder 30.

The cover 200 is provided with the abutting portion 202, the inner holder 30 is provided with the holding portion, and after the cover 200 is rotated to the expanded state with respect to the case 100, the holding portion can be engaged with the abutting portion to hold the cover 200 without being held by hand or without installing a torsion spring between the cover 200 and the case 100, which is not only simple in structure but also low in manufacturing cost.

Illustratively, the retention features are arcuate slots provided on the inner tray 30 and the abutment 202 is a projection provided on the cover 200 that cooperates with the arcuate slots to limit the maximum deployment angle of the cover 200 relative to the cassette 100.

Specifically, when the cover 200 is opened from the closed state to the unfolded state with respect to the case 100, the protrusion moves along the sidewall of the arc-shaped groove until the cover 200 is unfolded to the maximum unfolding angle, and then the protrusion is engaged with the arc-shaped groove, so that the cover 200 is maintained in the unfolded state, and the user can take or place the wireless headset 300 conveniently. When the cover body 200 is required to be covered from the unfolding state to the covering state, the user can release the clamping relation between the protruding part and the arc-shaped groove by applying a slight force, then the wireless earphone 300 placed in the accommodating cavity 11 is accommodated or is simply covered, the situation that the use of the charging box is influenced due to the fact that the wireless earphone 300 is placed in the accommodating cavity 11 is avoided, and meanwhile the wireless earphone 300 accommodated in the accommodating cavity 11 can be protected and charged.

In an optional implementation mode, the bottom of the accommodating cavity 11 extends to form a limiting structure 13 for raising the height of the glue inlet point, a first preset distance is arranged between the limiting structure 13 and the bottom of the accommodating cavity 11, and the first preset distance is greater than 0, so that the height of the glue inlet point is raised, the glue inlet point is prevented from being directly arranged on the bottom of the shell 10, the attractiveness of the exposed surface of a product is not required to be realized by improving a flow channel, and spraying is not required.

As shown in fig. 15, because the glue inlet point of the formed shell 10 in the existing design is located at the bottom of the shell 10, the appearance of the formed shell 10 is easily whitened and shrunk, and after the bad products are generated, the problems need to be solved by adopting spraying outside the shell 10, the efficiency is not high, the cost of manpower and material resources is increased, and after the design scheme of the application is adopted, the defects that the exposed surface of the formed shell 10 is attractive and elegant, and has no whitening and the like can be ensured, the manpower and material resources are greatly saved, and the yield of the product is effectively improved.

As shown in fig. 1 to 13, the position limiting structure 13 includes a first protrusion 131 and a second protrusion 132, wherein one end of the second protrusion 132 is connected to the first protrusion 131, the other end of the second protrusion 132 is connected to the sidewall of the housing 10, and one end of the first protrusion 131 is connected to the bottom of the housing 10. In this embodiment, the glue injection column 16 formed by the glue inlet point is connected to the other end of the first protrusion 131, and the glue injection column 16 is directly removed from the first protrusion 131 after the outer shell 10 is subjected to injection molding, so that the outer wall of the outer shell 10 is not deformed or whitened, and the yield of products is effectively improved.

In an alternative embodiment, the number of the second protrusions 132 is two, and two second protrusions 132 are spaced apart and arranged in parallel between the first protrusion 131 and the side wall of the housing 10, so as to ensure the stability of the connection between the first protrusion 131 and the housing 10, and the side wall or the bottom case of the housing 10 is not affected after the glue injection column 16 is removed from the first protrusion 131.

In an alternative embodiment, the first protrusion 131 has a connection section 1312 and free sections 1311 disposed at both sides of the connection section 1312, wherein the connection section 1312 has a thickness greater than that of the free sections 1311, and the glue injection column 16 is formed on the connection section 1312 so as to shape the design of the runner of the mold for the case 10.

In an alternative embodiment, the first predetermined distance is in a range of 10mm to 10.5mm, so that the circuit board 40 can be installed in a receiving cavity formed with the housing after the limiting structure 13, and the rechargeable battery 50 or other electronic components can be disposed in the receiving cavity, thereby realizing the compact and miniaturized design of the case 100.

Exemplarily, a fixing column 21 is connected to the limiting structure 30, wherein a clamping table 15 is disposed on a side wall of the accommodating cavity 11 opposite to the limiting structure 30, one side of the circuit board 40 is clamped on the clamping table 15, and the other side of the circuit board 40 is fixed on the fixing column 21, so as to achieve the fixed mounting of the circuit board 40 and the housing 10.

Specifically, the fixing column 21 is provided with a screw hole structure, the clamping table 15 is provided with a clamping groove, one side of the circuit board 40 is clamped in the clamping groove, and the other side of the circuit board 40 is fixed in the screw hole structure through the fastening screw 24.

In an alternative embodiment, the box 10 includes a fixing structure 20 having the fixing post 21, a clamping structure 14 is disposed on a sidewall of the receiving cavity 11, and a receiving groove 133 is formed on the limiting structure 30. The fixing structure 20 is provided with a connecting column 22 at one side opposite to the fixing column 21, the connecting column 22 is inserted in the accommodating groove 133, the clamping structure 14 is clamped on the end face of the fixing structure 20, the circuit board 40 is fixed on the fixing column 21, and two threaded columns do not need to extend on the bottom of the shell 10, so that the appearance problems that the appearance of the shell is whitish and shrunk due to the formed threaded columns are solved.

As shown in fig. 14, the conventional charging box has two screw posts extending from the bottom thereof for fixing the circuit board 40, but there are problems that the charging box is easily whitened or shrunk in appearance at the joints of the screw posts, which requires a lot of time to debug the injection molding machine to overcome the problem, and it is also possible to perform a spraying process on the appearance in a subsequent process, which not only increases the cost, but also wastes time.

As shown in fig. 1 to 13, the fixing structure 20 includes a connecting beam 23, wherein the fixing column 21 and the connecting column 22 are respectively disposed at two opposite ends of the connecting beam 23, and the clamping structure 14 is clamped on the end surface of the connecting beam 23 opposite to one side of the limiting structure 13, so that the fixing structure 20 can be stably fixed on the limiting structure 13.

In an alternative embodiment, the first protrusion 131 is connected to the side wall of the housing through the second protrusion 132 and forms the receiving groove 133, and the connecting column 22 is inserted into one side or both sides of the second protrusion 132 to ensure that the fixing structure 20 can be stably fixed on the limiting structure 30.

In an optional embodiment, the connection post 22 includes a first connection post 221 and a second connection post 222, wherein the distance between the first connection post 221 and the second connection post 222 is adapted to the thickness of the second protrusion 132, so that the first connection post 221 and the second connection post 222 can be clamped on both sides of the second protrusion 132 to ensure that the fixing structure 20 can be stably fixed on the limiting structure 30.

In an alternative embodiment, the end of the connection column 22 away from the fixing column 21 is provided with a guide slope 223, so that the connection column 22 can be quickly inserted into the receiving groove 133 through the guide slope 223, and the convenience of assembly is improved.

In an alternative embodiment, two arc-shaped grooves are disposed on the circuit board 40, wherein two adapting cylinders 32 for forming the earphone accommodating groove 31 are disposed on the inner holder 30, and the two adapting cylinders 32 are correspondingly disposed in the arc-shaped grooves, so as to achieve the compact and miniaturized design of the case 100.

In an alternative embodiment, the side of the circuit board 40 facing away from the rechargeable battery 50 is provided with contacts extending into the earphone accommodating groove 31 for charging the wireless earphone 300.

Specifically, the contact comprises a sleeve body and a contact pin, and the contact pin body is movably assembled in the sleeve body along the axial direction of the sleeve body. The inner bottom of the sleeve body is integrally formed with a guide sleeve, a radial interval is formed between the guide sleeve and the inner wall of the sleeve body, and a return spring is arranged in the radial interval. In this embodiment, the pin is provided with a shoulder, the top end of the return spring is press-fitted on the shoulder, the bottom end of the return spring is press-fitted on the bottom wall of the sleeve, and the return spring can apply an upward elastic force to the pin to ensure a contact force between the pin and the wireless headset 300.

Illustratively, an elastic ring is further arranged on the inner wall of the guide sleeve, the elastic ring is arranged on the lower side of the axial middle part of the guide sleeve, the elastic ring is electrically connected with the rechargeable battery 50, and the elastic ring forms a charging electrode arranged in the sleeve body. When the wireless earphone 300 is not placed in the earphone accommodating groove 31, under the elastic force action of the return spring, the contact pin is positioned at the top of the sleeve body, the contact pin is separated from the elastic ring at the moment, the charging is disconnected between the contact pin and the wireless earphone 300, and the contact pin is positioned at the disconnected position at the moment; when the wireless earphone 300 is installed in place, the charging end on the wireless earphone 300 presses the contact pin, the contact pin moves downwards and makes the contact pin contact with the elastic ring, the contact pin is electrically communicated with the rechargeable battery 50 to charge the wireless earphone 300, and the contact pin is located at a charging potential.

In an alternative embodiment, an indicator light is disposed on the housing 10 and electrically connected to the contacts, such that the indicator light and the contacts are electrically connected or disconnected simultaneously. When the contact pin is positioned at a charging potential, the indicator lamp is in conductive communication with the rechargeable battery 50, and the indicator lamp is turned on to indicate that charging is in progress; when the contact pin was located the open position, pilot lamp and rechargeable battery 50 disconnection, the pilot lamp extinguishes, reminds the user at will, and the user can inspect wireless earphone 300, avoids charging badly because of wireless earphone 300 slope or position are too high, guarantees the reuse of earphone.

In an alternative embodiment, the casing 100 further comprises a detection member electrically connected to the contact, and when the detection member detects that the wireless headset 300 is placed in the headset receiving groove 31, the control contact is in conductive communication with the rechargeable battery 50 to charge the wireless headset 300, and when the detection member detects that the wireless headset is separated from the headset receiving groove 31, the control contact is disconnected from the rechargeable battery 50 to make no electrical signal on the contact.

As shown in fig. 1 to 13, according to a second aspect of the present application, the present application provides a headset assembly including a wireless headset 300 and the charging box, wherein the wireless headset is received in an inner holder of the charging box.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the utility model. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A charging box is characterized by comprising a box body and a cover body which is in rotating or sliding connection with the box body, wherein the box body comprises a shell, a circuit board, a rechargeable battery and an inner support for placing a wireless earphone, an open accommodating cavity is formed in the shell in a concave mode, the circuit board and the rechargeable battery are arranged in the accommodating cavity, and the inner support is installed at the opening of the accommodating cavity;

the box body comprises a fixing structure with a fixing column, a limiting structure and a clamping structure are arranged on the containing cavity, a containing groove is formed in the limiting structure, a connecting column is arranged on one side, opposite to the fixing column, of the fixing structure, the connecting column is inserted in the containing groove, the clamping structure is clamped on the end face of the fixing structure, and the circuit board is fixed on the fixing column.

2. The charging box according to claim 1, wherein the fixing structure comprises a connecting beam, the fixing column and the connecting column are respectively arranged at two opposite ends of the connecting beam, and the clamping structure is clamped on an end face of the connecting beam, which faces away from one side of the limiting structure.

3. The charging box according to claim 2, wherein the position limiting structure comprises a first protrusion and a second protrusion, the first protrusion is connected with the side wall of the housing through the second protrusion to form the receiving groove, and the connecting column is inserted on one side or two sides of the second protrusion.

4. A charging cartridge as claimed in claim 3, wherein the number of the second protrusions is two, and the two second protrusions are spaced apart and arranged in parallel with each other between the first protrusion and the side wall of the housing.

5. A charging cartridge according to claim 3, wherein said connection posts include a first connection post and a second connection post, the spacing between said first and second connection posts being adapted to the thickness of said second projection.

6. A charging box according to claim 1, wherein said connecting post is provided with a guide slope at an end remote from said fixing post.

7. The charging box according to claim 1, wherein a clamping table is arranged on a side wall of the accommodating cavity opposite to the limiting structure, one side of the circuit board is clamped on the clamping table, and the other side of the circuit board is fixed on the fixing column.

8. The charging box according to claim 1, wherein the circuit board is provided with two arc-shaped grooves, the inner holder is provided with two adaptive cylinders for forming an earphone accommodating groove, and the two adaptive cylinders are correspondingly arranged in the arc-shaped grooves.

9. The charging box according to claim 1, wherein the rechargeable battery is disposed in a receiving cavity formed by the circuit board and the housing, and a side of the circuit board opposite to the rechargeable battery is provided with a contact extending into the earphone receiving slot for charging the wireless earphone.

10. A headset assembly comprising a wireless headset and the charging box of any one of claims 1 to 9, the wireless headset being received in an inner receptacle of the charging box.

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