CN219555130U - Earphone charging box - Google Patents

Abstract

The utility model provides an earphone charging box which comprises a shell, wherein the shell comprises an upper shell and a lower shell, the lower shell is of a resin material injection molding structure, and the thickness of the lower shell is inconsistent. According to the earphone charging box, the lower shell is of the resin material injection molding structure, the thickness of the lower shell is not uniform, the refraction angles of all parts of the earphone charging box for light are different, and the colors displayed by all parts of the earphone charging box are different, so that the effect of different colors of all parts of the lower shell can be achieved through injection molding of the lower shell with the non-uniform thickness, the product display diversity is improved, the identification degree and the market competitiveness are improved, and the spray coating, printing, electroplating or in-film injection molding are not needed, so that the production efficiency is improved, the production cost and the mold cost are reduced, the environment is not polluted, the service life is long, and the energy conservation is facilitated; meanwhile, the lower shell is integrally injection molded, so that the integration is strong, and the service life of the lower shell is prolonged.

Description

Earphone charging box

Technical Field

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

Background

The earphone charging box on the market at present generally refers to a wireless earphone charging box, such as a TWS earphone charging box, a Bluetooth earphone charging box and the like. Taking TWS earphone as an example, the charging box is not only a functional component for charging the earphone, but also an important component for improving the market competitiveness of the product.

The housing of the earphone charging case is mostly injection molded or molded by CNC processing using natural materials such as metal, wood, etc. Compared with CNC (computer numerical control) processing and forming, the injection molding has high productivity, light weight and low cost, but has monotonous style, low identification degree and low market competitiveness; CNC machine-shaping aesthetic measure is better, and the shortcoming is that production equipment is comparatively troublesome, and the cost of labor is high, influences production efficiency, has increased the input of mould and manpower resources, has greatly influenced the cost of product. One molding mode is composite processing molding, namely plastic injection molding is combined with spraying, electroplating, laser carving, in-film injection molding or in-film transfer printing to improve the aesthetic property of the product, but has the disadvantages of higher cost, complex process, environmental protection and short service life.

Disclosure of Invention

The utility model provides an earphone charging box, which can solve the problems of low production efficiency and high production cost caused by adopting CNC (computerized numerical control) processing molding or compound processing molding in order to realize diversity, improve identification degree and market competitiveness of the earphone charging box in the prior art.

In order to achieve the purpose of solving the technical problems, the utility model is realized by adopting the following technical scheme: the utility model provides a earphone charging box, includes the casing, the casing includes upper housing and inferior valve, the inferior valve is resin material injection moulding structure, and its thickness is inconsistent.

The lower shell comprises a lower shell front panel, a lower shell rear back plate and a bottom plate connected with the lower shell front panel and the lower shell rear back plate, the thickness of the lower shell front panel is gradually reduced or gradually increased along the height direction of the lower shell, and the thickness of the lower shell rear back plate is gradually reduced or gradually increased.

The outer side surface of the front panel of the lower shell is a vertical plane, and the inner side surface of the front panel of the lower shell is an inclined plane;

the outer side surface of the lower shell back plate is a vertical plane, and the inner side surface of the lower shell back plate is an inclined plane.

A plurality of first protruding parts are formed on the inner side surface of the front panel of the lower shell, and the first protruding parts are arranged at intervals;

the inner side surface of the lower shell back plate is provided with a plurality of second protruding parts, and the second protruding parts are arranged at intervals.

The outer side surface of the front panel of the lower shell is a vertical plane, and a plurality of concave parts are formed on the inner side surface of the front panel of the lower shell.

Each of the recess portions extends in a lateral direction of the lower case front panel, and a plurality of the recess portions are arranged in a height direction of the lower case front panel.

The front panel of the lower shell comprises a first thin-wall area and a first thick-wall area, the thickness of the first thin-wall area is smaller than that of the first thick-wall area, the first thin-wall area is positioned at the top of the front panel of the lower shell, and the first thick-wall area is positioned below the first thin-wall area;

the upper shell comprises an upper shell front panel, an upper shell rear back panel and a top plate for connecting the upper shell front panel and the upper shell rear back panel; the upper shell is of a resin material injection molding structure, the upper shell front panel comprises a second thin-wall area and a second thick-wall area, the thickness of the second thin-wall area is smaller than that of the second thick-wall area, the second thin-wall area is positioned at the bottom of the upper shell front panel, and the second thick-wall area is positioned above the second thin-wall area;

when the earphone charging box is in a cover closing state, the first thin-wall area and the second thin-wall area are attached back and forth.

The upper shell is connected to the lower shell in a turnover way, a locking switch is arranged on the lower shell in a sliding way, and the locking switch can slide to a locking position or an unlocking position;

when the locking switch slides to a locking position, it abuts on the upper shell to lock the upper shell;

when the locking switch slides to an unlocking position, it disengages from the upper housing to unlock the upper housing.

The locking switch comprises a main body part and a guide part which are fixedly connected into a whole, the guide part is in sliding guide fit with the guide groove, and a positioning structure for positioning the locking switch at the locking position or the unlocking position is formed on the groove wall of the guide groove; in the locked position, the body portion abuts against the upper shell.

The abutting surface of the main body part is provided with a third protruding part which can elastically deform, and when the locking position is reached, the third protruding part is contacted with the upper shell and is in a compressed state.

Compared with the prior art, the earphone charging box has the advantages that the lower shell is of a resin material injection molding structure, the thickness of the lower shell is not uniform, namely, the thickness of a region of the lower shell is smaller, the thickness of a region of the lower shell is larger, the lower shell made of resin materials is not uniform, the refraction angles of all parts of the lower shell are different to light, and the colors displayed by all parts of the lower shell are different, so that the effect that the colors of all parts of the lower shell are different can be realized through the lower shell with the non-uniform injection molding thickness, the display diversity of products is improved, the identification degree and the market competitiveness are improved, and the spray coating, the printing, the electroplating or the in-film injection molding are not needed, so that the production efficiency is improved, the production cost and the mold cost are reduced, the environment is not polluted, the service life is long, and the energy conservation is facilitated; meanwhile, the lower shell is integrally injection molded, so that the integration is strong, and the service life of the lower shell is prolonged.

Drawings

Fig. 1 is a perspective view of a battery charging cartridge of a middle ear camera according to an embodiment of the present utility model when a lock switch is slid to a locked position;

fig. 2 is a front view of a housing of a battery charging cartridge for a middle ear machine in accordance with an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a perspective view of a battery charging cartridge of a middle ear camera according to an embodiment of the present utility model when the locking switch is slid to the unlocked position;

FIG. 5 is a schematic diagram showing a matching structure of a guide slot and a locking switch in the first embodiment of the present utility model;

fig. 6 is a front view of a housing of a second ear camera charging cartridge according to an embodiment of the utility model;

FIG. 7 is a B-B cross-sectional view of FIG. 6;

fig. 8 is a front view of a housing of a third ear camera charging cartridge of an embodiment of the utility model in a closed position;

fig. 9 is a front view of a housing of a third ear camera charging cartridge in accordance with an embodiment of the present utility model in an uncapped state;

fig. 10 is a C-C cross-sectional view of fig. 9.

Reference numerals:

100-upper shell; 110-upper shell front panel; 111-a second thin-walled region; 112-a second thick-walled region; 120-an upper shell back plate; 130-top plate; 200-lower shell; 210-lower shell front panel; 211-first protrusions; 212-a depression; 213-a first thin-walled region; 214-a first thick-walled region; 220-a lower shell back plate; 221-a second projection; 230-a bottom plate; 240-locking switch; 241-a body portion; 242-guides; 243-third projections; 250-guiding groove; 260-positioning structure.

Description of the embodiments

The technical scheme of the utility model is further described in detail below with reference to the attached drawings and the detailed description.

Embodiment one: referring to fig. 1 to 5, the earphone charging case of the present embodiment includes a case including an upper case 100 and a lower case 200, and it should be noted that the upper case 100 and the lower case 200 herein refer to an outer case of an upper case portion and an outer case of a lower case portion of the earphone charging case, respectively, and do not include a lining portion. In this embodiment, the lower shell 200 is an injection molded structure made of a resin material, and the thickness of the lower shell is not uniform, i.e., the thickness of the lower shell 200 is not uniform, and the thickness of some areas is smaller and the thickness of some areas is larger.

Because the lower shell 200 is made of resin material and is formed by injection molding, the thicknesses of the parts are inconsistent, the refraction angles of the parts to light are different, and the colors displayed by the parts are different, the embodiment can realize the effect of different colors of the parts of the lower shell 200 by injection molding the lower shell 200 with inconsistent thickness, improve the display diversity of products, improve the identification degree and the market competitiveness, and do not need to be sprayed, printed, electroplated or molded in a film, thereby being beneficial to improving the production efficiency, reducing the production cost and the mold cost, having no pollution to the environment and being beneficial to energy conservation; meanwhile, the lower shell 200 is formed by injection molding, so that the integration is strong, and the service life is prolonged.

The lower shell 200 of the shell can be PA, PP or ABS, the thickness of the lower shell 200 shows red effect within 1.5mm, green effect within 1.5mm-3mm, and other low saturation dark colors above 3mm, so that the lower shell 200 shows different colors from top to bottom.

As shown in fig. 2 and 3, the lower case 200 in this embodiment includes a lower case front panel 210, a lower case rear panel 220, and a bottom plate 230 connecting the lower case front panel 210 and the lower case rear panel 220, and of course, left and right side plates, and the lower case front panel 210, the lower case rear panel 220, the bottom plate 230, the left and right side plates enclose the lower case 200 with an upward opening. The thickness of the lower case front panel 210 is gradually reduced or increased along the height direction of the lower case 200, and the thickness of the lower case rear panel 220 is gradually reduced or increased. Fig. 3 illustrates an example in which the thickness of the lower case front panel 210 is gradually increased from top to bottom in the height direction of the lower case, and the thickness of the lower case rear panel 220 is also gradually increased.

Further, in this embodiment, the outer side surface (i.e. the front side surface) of the front panel 210 of the lower shell is a vertical plane, and the inner side surface is an inclined plane; meanwhile, the outer side surface of the lower case rear backplate 220 is a vertical plane, and the inner side surface thereof is an inclined plane. Therefore, the lower shell 200 has a simple outer contour structure, no abrupt feeling and comfortable hand feeling. Meanwhile, in the earphone charging case, the inner part of the lower case 200 is usually a lower case liner, the lower case 200 and the lower case liner enclose a cavity, so that an electric device for installing the charging case is formed on the liner, an earphone accommodating groove for accommodating an earphone is formed on the liner, the outer side surface of the lower case front panel 210 is set to be a vertical plane, the inner side surface is set to be an inclined plane to realize the thickness gradient of the lower case front panel 210, the outer side surface of the lower case rear backboard 220 is set to be a vertical plane, the inner side surface is set to be an inclined plane to realize the thickness gradient of the lower case rear backboard 220, and then a region with thicker thickness of the lower case 200 occupies a cavity space between the lower case 200 and the lower case liner, so that the volume of the earphone charging case is not additionally increased, and the product miniaturization design is facilitated.

Specifically, as a specific embodiment, as shown in fig. 3, the inner side of the lower case front panel 210 is inclined downward, and the inner side of the lower case rear back panel 220 is inclined upward.

Further, a plurality of first protrusions 211 may be formed on the inner side surface of the lower case front panel 210, and the plurality of first protrusions 211 may be disposed at intervals; similarly, a plurality of second protruding portions 221 are formed on the inner side surface of the lower case rear plate 220, and the plurality of second protruding portions 221 are disposed at intervals. Therefore, the inner side surface of the front panel 210 of the lower shell generates the concave-convex thickness variation, and the inner side surface of the rear back panel 220 of the lower shell generates the concave-convex thickness variation, so that the colors of the lower shell 200 are changed more abundantly.

The first protrusion 211 and the second protrusion 221 may be square, star-shaped, triangular, polygonal, or the like.

Referring to fig. 4 and 5, and referring to fig. 1, in the present embodiment, the lower edge of the back plate of the upper case 100 is connected to the top edge of the back plate 220 of the lower case in a reversible manner, so as to realize the turning-over and opening/closing of the upper case 100. The lower case 200 is slidably provided with a locking switch 240, and the locking switch 240 is slidable to a locking position or an unlocking position; when the locking switch 240 slides to the locking position, it abuts against the upper case 100 to lock the upper case 100, so as to ensure the reliability and stability of the charging box in the closed state, and ensure the stability of the earphone placement; when the locking switch 240 slides to the unlocking position, the locking switch 240 is separated from the upper case 100 to unlock the upper case 100, so that the upper case 100 is conveniently opened to facilitate taking and placing of the earphone.

Further, a guide groove 250 extending vertically is formed on the lower case 200, the locking switch 240 includes a main body portion 241 and a guide portion 242 which are fixedly connected as a whole, the guide portion 242 is slidably and guiding-engaged with the guide groove 250, and a positioning structure 260 for positioning the locking switch 240 at a locking position or an unlocking position is formed on a groove wall of the guide groove 250; in the locked position, the body portion 241 abuts against the upper case 100 to prevent the upper case 100 from opening.

Specifically, the positioning structure 260 is a plurality of protruding points formed on two vertical groove walls of the guiding groove 250, the protruding points are arranged along the extending direction of the vertical groove walls, the protruding points on the two vertical groove walls are arranged in a one-to-one opposite manner, the guiding portion 242 is clamped in a gap between the protruding points on the two vertical groove walls, when an upward or downward force is applied to the locking switch 240, the guiding portion 242 and/or the protruding points are elastically deformed, and the locking switch 240 slides upward or downward to lock or unlock the upper case 100. As shown in fig. 1, the lock switch 240 is slid upward to the lock position, at which the main body portion 241 abuts against the upper case 100 to prevent the upper case 100 from being opened; as shown in fig. 4, the locking switch 240 is slid down to the unlocking position, at which time the main body portion 241 is disengaged from the upper case 100 to unlock the upper case 100, and the upper case 100 can be opened. The locking and unlocking structure of the upper case 100 in this embodiment is simple, easy to operate, and low in cost.

Preferably, the abutting surface of the main body 241 is provided with a third protruding portion 243, the third protruding portion 243 is elastically deformable, and when in the locking position, the third protruding portion 243 contacts with the upper case 100 and is in a compressed state, and has an elastic restoring force, and according to the acting force and the reaction force principle, the abutting force between the main body 241 and the upper case 100 is more stable due to the elastic restoring force of the third protruding portion 243, so that the locking effect of the locking switch 240 on the upper case 100 is more reliable.

Embodiment two: referring to fig. 6 and 7, unlike the embodiment, the outer side surface of the front panel 210 of the lower case is a vertical plane, and a plurality of concave portions 212 are formed on the inner side surface thereof, so that the thickness of the front panel 210 of the lower case is not uniform, thereby realizing the multi-color display effect thereof, and the outer side plate of the front panel 210 of the lower case, which is an appearance surface, remains in the vertical plane, so that the outer contour structure of the lower case 200 of the earphone charging case is simple and has no abrupt feeling.

Further, each of the concave portions 212 extends in the lateral direction of the lower case front panel 210, and the plurality of concave portions 212 are arranged in the height direction of the lower case front panel 210.

Embodiment III: referring to fig. 8 to 10, unlike the first and second embodiments, the lower case front panel 210 of the present embodiment includes a first thin-walled region 213 and a first thick-walled region 214, the thickness of the first thin-walled region 213 is smaller than that of the first thick-walled region 214, and the first thin-walled region 213 is located at the top of the lower case front panel 210, and the first thick-walled region 214 is located below the first thin-walled region 213.

Similarly, the upper case 100 includes an upper case front panel 110, an upper case rear panel 120, and a top plate 130 connecting the upper case front panel 110 and the upper case rear panel 120, and of course includes left and right side plates, where the upper case front panel 110, the upper case rear panel 120, the top plate 130, the left side plate, and the right side plate enclose an upper case 100 with a downward opening; the upper case 100 is also an injection molding structure of a resin material, and the upper case front panel 110 includes a second thin-wall region 111 and a second thick-wall region 112, where the thickness of the second thin-wall region 111 is smaller than that of the second thick-wall region 112, i.e. the thickness of the upper case front panel 110 is also inconsistent, the second thin-wall region 111 is located at the bottom of the upper case front panel 110, and the second thick-wall region 112 is located above the second thin-wall region 111. The upper case 100 is also plate-shaped with uneven thickness, so that the colors of the second thin-wall region 111 and the second thick-wall region 112 are different, and the upper case 100 is also an integrally formed structure, so that the integration is strong, the structural strength is high, and the service life of the earphone charging box is further prolonged.

In this embodiment, when the earphone charging case is in the closed state, the first thin-wall area 213 is attached to the second thin-wall area 111 back and forth, and then after the first thin-wall area 213 is attached to the second thin-wall area 111, the color effect of the first thin-wall area 213 and the second thin-wall area 111 after being overlapped is displayed, and when the upper case 100 is opened, the first thin-wall area 213 and the second thin-wall area 111 are separated and each display its own color, so that the earphone charging case can have different color display effects in the closed state and the opened state, and can more attract consumers to pay attention and favor, and improve the market competitiveness.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. An earphone charging box which is characterized in that:

the shell comprises an upper shell and a lower shell, wherein the lower shell is of a resin material injection molding structure, and the thickness of the lower shell is inconsistent.

2. The earphone charging case according to claim 1, wherein:

the lower shell comprises a lower shell front panel, a lower shell rear back plate and a bottom plate connected with the lower shell front panel and the lower shell rear back plate, the thickness of the lower shell front panel is gradually reduced or gradually increased along the height direction of the lower shell, and the thickness of the lower shell rear back plate is gradually reduced or gradually increased.

3. The earphone charging case according to claim 2, wherein:

the outer side surface of the front panel of the lower shell is a vertical plane, and the inner side surface of the front panel of the lower shell is an inclined plane;

the outer side surface of the lower shell back plate is a vertical plane, and the inner side surface of the lower shell back plate is an inclined plane.

4. A headset charging case according to claim 3, wherein:

a plurality of first protruding parts are formed on the inner side surface of the front panel of the lower shell, and the first protruding parts are arranged at intervals;

the inner side surface of the lower shell back plate is provided with a plurality of second protruding parts, and the second protruding parts are arranged at intervals.

5. The earphone charging case according to claim 1, wherein:

the outer side surface of the front panel of the lower shell is a vertical plane, and a plurality of concave parts are formed on the inner side surface of the front panel of the lower shell.

6. The earphone charging case according to claim 5, wherein:

each of the recess portions extends in a lateral direction of the lower case front panel, and a plurality of the recess portions are arranged in a height direction of the lower case front panel.

7. The earphone charging case according to claim 1, wherein:

the front panel of the lower shell comprises a first thin-wall area and a first thick-wall area, the thickness of the first thin-wall area is smaller than that of the first thick-wall area, the first thin-wall area is positioned at the top of the front panel of the lower shell, and the first thick-wall area is positioned below the first thin-wall area;

the upper shell comprises an upper shell front panel, an upper shell rear back panel and a top plate for connecting the upper shell front panel and the upper shell rear back panel; the upper shell is of a resin material injection molding structure, the upper shell front panel comprises a second thin-wall area and a second thick-wall area, the thickness of the second thin-wall area is smaller than that of the second thick-wall area, the second thin-wall area is positioned at the bottom of the upper shell front panel, and the second thick-wall area is positioned above the second thin-wall area;

when the earphone charging box is in a cover closing state, the first thin-wall area and the second thin-wall area are attached back and forth.

8. The earphone charging case according to any one of claims 1 to 7, wherein:

the upper shell is connected to the lower shell in a turnover way, a locking switch is arranged on the lower shell in a sliding way, and the locking switch can slide to a locking position or an unlocking position;

when the locking switch slides to a locking position, it abuts on the upper shell to lock the upper shell;

when the locking switch slides to an unlocking position, it disengages from the upper housing to unlock the upper housing.

9. The earphone charging case according to claim 8, wherein:

the locking switch comprises a main body part and a guide part which are fixedly connected into a whole, the guide part is in sliding guide fit with the guide groove, and a positioning structure for positioning the locking switch at the locking position or the unlocking position is formed on the groove wall of the guide groove; in the locked position, the body portion abuts against the upper shell.

10. The earphone charging case according to claim 9, wherein:

the abutting surface of the main body part is provided with a third protruding part which can elastically deform, and when the locking position is reached, the third protruding part is contacted with the upper shell and is in a compressed state.