CN219513806U

CN219513806U - Sound insulation charger

Info

Publication number: CN219513806U
Application number: CN202222452618.4U
Authority: CN
Inventors: 王万里
Original assignee: Jiangyin Wonder Electronic Co ltd
Current assignee: Jiangyin Wonder Electronic Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-08-11
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a sound insulation charger, which comprises a shell and a bottom shell with pins, wherein a circuit board is arranged in a containing cavity formed by the shell and the bottom shell, sound insulation cotton is arranged on the inner peripheral surface of the shell, a framework is arranged in the containing cavity between the shell and the circuit board, the sound insulation cotton is arranged on the framework, the framework comprises a positioning frame, the positioning frame is arranged at a joint formed by the shell and the bottom shell, a group of supporting ribs are arranged on the positioning frame and extend from the joint to the corresponding surface of the shell opposite to the bottom shell, a certain gap is reserved between the supporting ribs and the inner peripheral surface of the shell for placing the sound insulation cotton, a buckle is arranged at the extending end of the supporting ribs, and a clamping groove is arranged on the corresponding surface of the shell, and the sound insulation charger has the beneficial effects that: the noise generated by the vibration of the charger can be effectively isolated; the structure is stable and reliable, and the positioning and the installation of the soundproof cotton are convenient; noise is reduced, and the use effect of the charger is improved.

Description

Sound insulation charger

Technical Field

The utility model relates to the technical field of charging, in particular to a sound insulation charger.

Background

With the continuous updating of consumer electronic products, a small-size high-power density charger becomes a future development trend, and as the power is increased, the internal inductance of the charger generates vibration and correspondingly increases, when the charger is in overload operation in the use process, each part generates larger sound in high-speed operation, and when the charger is charged at night, the vibration sound of the charger is more obvious because the surrounding environment is relatively quiet.

Disclosure of Invention

The utility model aims to solve the technical problems and provide a sound insulation charger which can effectively prevent noise generated by vibration of the charger.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the sound insulation charger comprises a shell and a bottom shell with pins, wherein a circuit board is arranged in a containing cavity formed by the shell and the bottom shell, and sound insulation cotton is arranged on the inner peripheral surface of the shell in a surrounding mode.

In order to facilitate installation of the soundproof cotton and enable the structure to be stable and reliable, a further preferable technical scheme is that a framework is arranged in the accommodating cavity between the shell and the circuit board, and the soundproof cotton is arranged on the framework.

In order to facilitate installation of the soundproof cotton and enable the structure to be stable and reliable, a further preferred technical scheme is that the framework comprises a positioning frame, the positioning frame is arranged at the joint formed by the shell and the bottom shell, a group of supporting ribs are arranged on the positioning frame and extend from the joint to the corresponding surface of the shell opposite to the bottom shell, a certain gap is reserved between the supporting ribs and the inner peripheral surface of the shell for placing the soundproof cotton, a buckle is arranged at the extending end of each supporting rib, and a clamping groove is formed in the corresponding surface of the shell.

In order to enable the soundproof cotton to be attached to the framework structure, the sound insulation effect is good, the further preferred technical scheme is that the positioning frame is rectangular, the four top corners of the positioning frame are arc angles, and a group of supporting ribs are arranged at the four top corners of the positioning frame and are arc-shaped.

In order to facilitate installation of the soundproof cotton, a further preferable technical scheme is that a supporting surface of one supporting rib corresponding to the inner peripheral surface of the housing is larger than a supporting surface of the other supporting rib corresponding to the inner peripheral surface of the housing.

In order to facilitate installation of the soundproof cotton, a further preferable technical scheme is that the soundproof cotton is annular soundproof cotton.

Compared with the prior art, the utility model has the beneficial effects that: the noise generated by the vibration of the charger can be effectively isolated; the structure is stable and reliable, and the positioning and the installation of the soundproof cotton are convenient; noise is reduced, and the use effect of the charger is improved.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an isometric view of a skeleton of the present utility model;

FIG. 4 is an isometric view of the combination of the inventive carcass and acoustic baffle;

fig. 5 is an isometric view of the combination of the armature and the housing of the present utility model.

In the figure: 1. a bottom case; 2. a skeleton; 2a, positioning frames; 2b, supporting ribs; 2c, buckling; 3. soundproof cotton; 4. a housing; and 4a, positioning the clamping groove of the frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples

As shown in fig. 1 and 2, the sound insulation charger comprises a shell 4 and a bottom shell 1 with pins, wherein a circuit board is arranged in a containing cavity formed by the shell 4 and the bottom shell 1, and sound insulation cotton 3 is arranged on the inner peripheral surface of the shell 4 surrounding the bottom shell 1;

specifically, the circuit board comprises a shell 4, wherein one end of the shell 4 is an interface, the other end of the shell is closed, the interface end of the shell 4 is used for being connected with a bottom shell 1, an insulating bracket which is fixedly connected is arranged in a containing cavity formed by the shell 4 and the bottom shell 1, a first mounting part and a second mounting part which are arranged positively and negatively are arranged on the insulating bracket, a first circuit board is mounted on the first mounting part, and the first circuit board comprises a plurality of high-voltage circuit elements; the first installation part is provided with a first isolation plate with a vertical bottom, a plurality of high-voltage circuit elements are divided into two areas, the second installation part is provided with a second circuit board, the second circuit board comprises a plurality of low-voltage circuit elements, the first circuit board is electrically connected with the second circuit board, the shell 4 is arranged around the inner peripheral surface of the bottom shell 4, namely, a layer of soundproof cotton 3 is arranged on four inner peripheral surfaces inwards at the interface of the shell 4, and the soundproof cotton 3 can be stuck on the four inner peripheral surfaces of the shell 4 through adhesive;

the high-voltage circuit element comprises a transformer, a plug-in electrolytic capacitor and a plug-in inductor; the low-voltage circuit element comprises a low-voltage plug-in capacitor, a USB Type-C interface and an on-board chip; the first circuit board includes a plurality of high-voltage circuit elements and terminals, the plurality of high-voltage circuit elements being arranged between the first circuit board and a bottom surface of the first mounting portion; preferably, the high-voltage circuit element comprises a transformer, a plug-in electrolytic capacitor, a plug-in inductor and a pin wire which is arranged on the first circuit board and is electrically connected with the transformer;

further, as shown in fig. 4 and 5, a skeleton 2 is disposed in the accommodating cavity between the housing 4 and the circuit board, the soundproof cotton 3 is disposed on the skeleton 2, specifically, the skeleton 2 includes a positioning frame 2a, the positioning frame 2a is disposed at a joint formed by the housing 4 and the bottom shell 1, a set of supporting ribs 2b are disposed on the positioning frame 2a and extend from the joint to a corresponding surface of the housing 4 opposite to the bottom shell 1, a certain gap is formed between the supporting ribs 2b and an inner peripheral surface of the housing 4 for placing the soundproof cotton 3, a buckle 2c is disposed at an extending end of the supporting ribs 2b, a clamping groove 4a is disposed on a corresponding surface of the housing 4, the soundproof cotton 3 can be wound and applied around the supporting ribs 2b of the skeleton 2, so that the soundproof cotton 3 is convenient to be installed, and then the skeleton 2 and the housing 4 are fixed and connected by installing the skeleton 2 in the housing 4 to form a barb-shaped buckle, and the buckle 2c can be directly inserted into the clamping groove 4 a;

further, as shown in fig. 3, the positioning frame 2a is a rectangular positioning frame 2a, four corners of the positioning frame 2a are arc corners, a group of supporting ribs 2b are disposed at the four corners of the positioning frame 2a and are arc-shaped, the housing 4 is generally rectangular, and in order to adapt to the housing 4, the positioning frame 2a also adopts a rectangular structure, and the supporting ribs 2b are disposed at the corners of the positioning frame 2a, so that space utilization is facilitated, and interference between the supporting ribs 2b and a circuit is avoided;

further, as shown in fig. 3, a supporting surface of one of the supporting ribs 2b corresponding to the inner peripheral surface of the housing 4 is larger than a supporting surface of the other supporting ribs 2b corresponding to the inner peripheral surface of the housing 4, when the soundproof cotton 3 is wound around the supporting rib 2b, a joint surface is formed, and in order to make the joint surface of the soundproof cotton 3 easy to be fixedly adhered, the supporting surface of one supporting rib 2b is enlarged, so that the joint surface of the soundproof cotton 3 is easy to be adhered;

further, as shown in fig. 4, the soundproof cotton 3 is a ring-shaped soundproof cotton; the annular soundproof cotton can be sleeved on the supporting rib 2b at the buckling position of the supporting rib 2b, so that the soundproof cotton 3 can be conveniently installed and positioned.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a sound insulation charger, includes shell and takes the drain pan of participating in, be equipped with the circuit board in the holding cavity that shell and drain pan constitute, its characterized in that, the shell encircles and is equipped with the soundproof cotton on the inner peripheral surface of drain pan.

2. A sound-insulating charger according to claim 1, wherein a housing is provided in the housing cavity between the housing and the circuit board, and the sound-insulating cotton is provided on the housing.

3. The sound insulation charger according to claim 2, wherein the framework comprises a positioning frame, the positioning frame is arranged at a joint formed by the shell and the bottom shell, a group of supporting ribs are arranged on the positioning frame and extend from the joint to a corresponding surface of the shell opposite to the bottom shell, a certain gap is formed between the supporting ribs and the inner peripheral surface of the shell for placing sound insulation cotton, a buckle is arranged at the extending end of each supporting rib, and a clamping groove is formed in the corresponding surface of the shell.

4. A sound insulation charger according to claim 3, wherein the positioning frame is a rectangular positioning frame, four corners of the positioning frame are arc corners, and a group of the support ribs are arranged at the four corners of the positioning frame and are arc-shaped.

5. A sound insulation charger according to claim 3 or 4, wherein a support surface of one of said ribs corresponding to said inner peripheral surface of said housing is larger than a support surface of the other of said ribs corresponding to said inner peripheral surface of said housing.

6. A sound insulation charger according to any one of claims 1-4, wherein said sound insulation cotton is annular sound insulation cotton.