CN213547132U

CN213547132U - Charging box

Info

Publication number: CN213547132U
Application number: CN202022116168.2U
Authority: CN
Inventors: 余仕湖; 李伯阳; 欧天生
Original assignee: Xiamen Newsound Technology Co ltd
Current assignee: Xiamen Newsound Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a charging box, including the lower casing that has an inner chamber, install the upper cover on the casing down and install the subassembly that charges in the inner chamber, have the lower inside lining that matches the setting with this casing down on the casing down, have the bottom that is used for placing at least one cavity that charges of earphone or audiphone and stretches into the inner chamber on this lower inside lining, the subassembly that charges includes main circuit board, battery, installs the components and parts on main circuit board and extends to the charging contact in the cavity, have a first fixed part and a second fixed part on the bottom of inner chamber and the bottom of lower inside lining respectively, this first fixed part and second fixed part fix main circuit board to solve the problem of the inside circuit board assembly difficulty of current small volume charging box.

Description

Charging box

Technical Field

The utility model relates to a box technical field that charges of audiphone specifically relates to a box charges.

Background

Hearing aids (Hearing aids), which are tools, devices, apparatuses, devices, and apparatuses that help Hearing-impaired people to improve their Hearing impairment and thus their ability to converse with others, transmit relatively weak sounds, after amplification, into the ear canal of a patient so that the patient can hear the relatively weak sounds. Hearing aids are classified into behind-the-ear hearing aids, in-the-ear hearing aids, box-type hearing aids, and the like according to their external shapes.

At present, some in-ear hearing aids adopt rechargeable lithium batteries to serve as power supplies of the in-ear hearing aids, but the volume of a charging box for charging the in-ear hearing aids is relatively large at present, so that the charging box is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a box charges to solve the problem of the inside circuit board assembly difficulty of current little volume charging box.

The specific scheme is as follows:

the utility model provides a charging box, includes the lower casing that has an inner chamber, installs the upper cover on the lower casing and installs the subassembly that charges in the inner chamber, have the lower inside lining that sets up with this lower casing matching on the casing down, have on this lower inside lining and be used for placing at least one cavity and the bottom that stretches into to the inner chamber that charges of earphone or audiphone, the subassembly that charges includes main circuit board, battery, installs the components and parts on main circuit board and extends to the charging contact of inner chamber, have a first fixed part and a second fixed part on the bottom of inner chamber and the bottom of lower inside lining respectively, this first fixed part and second fixed part fix main circuit board.

Furthermore, the first fixing part and the second fixing part are clamping grooves which are matched with the thickness of the main circuit board, and openings of the first clamping groove serving as the first fixing part and the second clamping groove serving as the second fixing part are arranged oppositely.

Furthermore, the periphery wall of the lower lining and the inner periphery wall of the inner cavity are respectively provided with one of a clamping groove and a clamping buckle, so that the lower lining and the inner cavity are clamped and fixed.

Further, the lower liner is provided with a skirt edge which covers a gap between the lower liner and the lower shell.

Furthermore, the lower lining is provided with two convex parts which are arranged in the inner cavity in a protruding mode, and a charging concave cavity is formed in each convex part.

Furthermore, a space is reserved between the two convex parts, so that an installation space is formed between the two convex parts and the periphery of the two convex parts; the charging assembly further comprises a secondary circuit board, one end of the charging contact is fixed on the secondary circuit board, and the secondary circuit board is installed in the installation space and is approximately perpendicular to the main circuit board.

Furthermore, the main circuit board and the secondary circuit board are respectively provided with one of a male plug-in end and a female plug-in end, and the main circuit board and the secondary circuit board are fixedly plugged and connected through the male plug-in end and the female plug-in end to realize electric connection.

Furthermore, the charging cavities in the two convex parts are distributed in an inverted V shape.

Furthermore, the bottom surfaces of the two convex parts are respectively provided with a limiting notch for limiting the movement of the battery.

The utility model provides a box charges compares with prior art and has following advantage: the utility model provides a box that charges realizes the fixed to the circuit board through casing and lower inside lining down, has saved the step of circuit board lock screw and has reduced the space to the double-screw bolt that is used for locking the screw for this box that charges can design littleer, and also can realize simple assembly in the installation of little space main circuit board.

Drawings

Fig. 1 shows a perspective view of a charging box.

Fig. 2 shows a schematic cross-sectional view of the charging box.

Fig. 3 shows a schematic view of the lower liner.

Fig. 4 shows a schematic diagram of the mounting of the primary and secondary circuit boards on the lower liner.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the present embodiment provides a charging box including a lower case 10 having an inner cavity 100, an upper cover 20 mounted on the lower case 10, and a charging assembly 30 mounted in the inner cavity 100.

The lower shell 10 has a lower lining 11 matching with the lower shell 10, and the lower lining 11 has at least one charging cavity 110 for placing an earphone or a hearing aid and a bottom extending into the inner cavity 100 of the lower shell 10.

The upper cover 20 is pivotally or covered on the lower housing 10, and the upper cover 20 can cover and seal the inner cavity of the lower housing 10.

The charging assembly 30 includes a main circuit board 31, a battery 32, components mounted on the main circuit board 31, and charging contacts 33 extending into the cavity 100. since the circuit for charging the battery 32 and charging the earphone or the hearing aid by the battery 32 is the prior art, a person skilled in the art can select the corresponding components to implement the corresponding charging function according to the requirements of the prior art.

The bottom of the inner cavity 100 of the lower shell 10 and the bottom of the lower liner 11 are respectively provided with a first fixing part 101 and a second fixing part 111, the first fixing part 101 and the second fixing part 111 fix the main circuit board 31 of the charging assembly 30, the step of locking screws of the main circuit board 31 is omitted, and the space corresponding to the studs for locking the screws is reduced, so that the charging box can be designed to be smaller, and simple assembly can be realized by mounting the main circuit board 31 in a small space.

In the present embodiment, the first fixing portion 101 and the second fixing portion 111 are both card slots that are arranged to match the thickness of the main circuit board 31, and openings of the first card slot as the first fixing portion 101 and the second card slot as the second fixing portion 111 are arranged to face each other. During assembly, the bottom of the main circuit board 31 is inserted into the first clamping groove, then the second clamping groove at the bottom of the lower liner 11 is clamped into the top of the main circuit board 31, and the lower liner 11 is assembled on the lower shell 10, so that the main circuit board 31 is fixed, assembly difficulty is greatly reduced, and assembly efficiency is improved.

In this embodiment, one of a clamping groove and a buckle is respectively disposed on the outer peripheral wall of the lower liner 11 and the inner peripheral wall of the inner cavity 100, so that the lower liner 11 can be fixed in the inner cavity 100 in a clamping and fixing manner, and a simple assembly of fixing between the lower liner 11 and the lower shell 10 is realized.

In this embodiment, the lower liner 11 has a skirt 112 covering an opening edge of the inner cavity 100, and the skirt 112 of the lower liner 11 can cover a gap between the lower liner 11 and the lower shell 10 when the lower liner 11 and the lower shell 10 are assembled, so as to prevent dust from entering the inner cavity 100 and enhance the appearance of the charging box.

In this embodiment, the lower liner 11 has two protrusions 113 protruding into the inner cavity 100, and a charging cavity 110 is formed in each protrusion 113, so that the charging box can be used for placing earphones or hearing aids of left and right ears for charging operation. The two protruding portions 113 have a space therebetween, so that a mounting space is formed between and around the two protruding portions 113; the charging assembly 30 further includes a secondary circuit board 34, and the charging contacts 33 extending into the charging cavity 110 are fixed to the secondary circuit board 34, and the secondary circuit board 34 is mounted in the mounting space and is disposed substantially perpendicular to the primary circuit board 31.

The charging contact 33 in this embodiment is provided separately from the main circuit board 31 and is fixed to the sub circuit board 34, so that the sub circuit board 34 can make full use of the space on the back of the charging cavity 110, and the purpose of further reducing the volume of the charging box is achieved.

Preferably, the main circuit board 31 and the secondary circuit board 34 are respectively provided with one of a male plug-in end and a female plug-in end, so that the electrical connection between the main circuit board 31 and the secondary circuit board 34 can be realized through the plug-in terminal, and the plug-in terminal can be used for realizing simple electrical connection and simultaneously playing a certain supporting role for the secondary circuit board 34, so that the secondary circuit board 34 can be fixedly assembled without being locked and fixed by screws.

Preferably, the charging cavities 110 in the two protrusions 113 are arranged in a splayed shape, so that the hearing aid or the earphone can be conveniently taken and placed, the space is saved, and the appearance modeling is facilitated.

Preferably, the bottom surfaces of the two protruding portions 113 have a limiting notch 114 for limiting the movement of the battery 32, so that the two protruding portions 113 can also limit the battery 32 when extending into the inner cavity 100.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a charging box, includes the lower casing that has an inner chamber, installs the upper cover on lower casing and installs the subassembly that charges in the inner chamber, its characterized in that: the lower shell is provided with a lower inner liner matched with the lower shell, the lower inner liner is provided with at least one charging cavity for placing an earphone or a hearing aid and a bottom extending into the inner cavity, the charging assembly comprises a main circuit board, a battery, a component mounted on the main circuit board and a charging contact extending into the inner cavity, the bottom of the inner cavity and the bottom of the lower inner liner are respectively provided with a first fixing part and a second fixing part, and the main circuit board is fixed by the first fixing part and the second fixing part.

2. A charging box according to claim 1, wherein: the first fixing part and the second fixing part are clamping grooves which are matched with the thickness of the main circuit board, and openings of a first clamping groove serving as the first fixing part and an opening of a second clamping groove serving as the second fixing part are arranged oppositely.

3. A charging box according to claim 1, wherein: and one of a clamping groove and a buckle is respectively arranged on the outer peripheral wall of the lower lining and the inner peripheral wall of the inner cavity, so that the lower lining and the inner cavity are clamped and fixed.

4. A charging box according to claim 1, wherein: the lower liner is provided with a skirt which covers a gap between the lower liner and the lower shell.

5. A charging box according to claim 1, wherein: the lower lining is provided with two convex parts which are arranged in the inner cavity in a protruding mode, and a charging concave cavity is formed in each convex part.

6. The charging box according to claim 5, wherein: the two convex parts are spaced to form a mounting space between the two convex parts and the periphery of the two convex parts; the charging assembly further comprises a secondary circuit board, one end of the charging contact is fixed on the secondary circuit board, and the secondary circuit board is installed in the installation space and is approximately perpendicular to the main circuit board.

7. A charging box according to claim 6, wherein: the main circuit board and the secondary circuit board are respectively provided with one of a male plug-in end and a female plug-in end, and the main circuit board and the secondary circuit board are fixedly plugged and electrically connected through the male plug-in end and the female plug-in end.

8. The charging box according to claim 5, wherein: the charging cavities in the two convex parts are arranged in an inverted V shape.

9. The charging box according to claim 5, wherein: the bottom surfaces of the two convex parts are respectively provided with a limiting notch for limiting the movement of the battery.