CN220528212U - Hinge device, charging box and earphone assembly - Google Patents

Abstract

The utility model relates to the technical field of electric communication, and particularly discloses a hinge device, a charging box and an earphone assembly, which comprise the following components: the fixing part is provided with a limiting plate protruding upwards, and the limiting plate is provided with a limiting groove; a rotation shaft mounted on the fixing portion; the rotating part is hinged with the fixing part through the rotating shaft, and a hook plate used for being clamped with the limiting groove is arranged at the position of the rotating part corresponding to the limiting groove. The hinge device, the charging box and the earphone assembly provided by the utility model can effectively solve the problem that the hinge position of the traditional earphone box is easy to break.

Description

Hinge device, charging box and earphone assembly

Technical Field

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

Background

The existing charging box is generally of a flip structure and comprises a charging bottom box, a rotating shaft and a flip cover hinged to the rear end of the charging bottom box through the rotating shaft. When the flip cover is rotated upward to a limited opening angle, if a certain force is continuously applied to the front end of the flip cover to push the flip cover upward, the hinge positions of the charging bottom box and the flip cover are easily broken.

The main reason is that the rotation axis is located the border position of the two rear ends of charging end box and flip cover for the cladding protection rotation axis is less, leads to charging end box and flip cover two and the too fragile of being connected between the rotation axis, and the circumstances of fracture will appear slightly exerting oneself.

Therefore, improvements to existing charging cartridges are needed to address the problem of easy breakage of their hinge locations.

The above information disclosed in this background section is only included to enhance understanding of the background of the disclosure and therefore may contain information that does not form the prior art that is presently known to those of ordinary skill in the art.

Disclosure of Invention

An object of the present utility model is to provide a hinge device, a charging box and a headset assembly, which can effectively solve the problem that the hinge position of the conventional headset box is easily broken.

To achieve the above object, in one aspect, the present utility model provides a hinge device comprising:

the fixing part is provided with a limiting plate protruding upwards, and the limiting plate is provided with a limiting groove;

a rotation shaft mounted on the fixing portion;

the rotating part is hinged with the fixing part through the rotating shaft, and a hook plate used for being clamped with the limiting groove is arranged at the position of the rotating part corresponding to the limiting groove.

Optionally, the limiting plate is inclined, and the horizontal distance from the limiting plate to the rotating shaft gradually increases from top to bottom.

Optionally, the fixing portion is further provided with a bolt hole for mounting and fixing.

Optionally, the number of the limiting plates is two.

Optionally, the rotating part comprises two opposite hook plates and a beam plate connected with the upper parts of the two hook plates,

the two hook plates and the beam plate are of an inverted U-shaped structure.

Optionally, the rotating shaft passes through the middle part of the hook plate and is rotationally connected with the hook plate;

the lower part of the hook plate is provided with a hook groove with an opening facing the limiting plate.

Optionally, the fixing part, the rotating shaft and the rotating part are all metal pieces.

In another aspect, there is provided a charging cartridge comprising:

any of the hinge devices;

the charging bottom box is fixedly connected with the hinge fixing part of the hinge device;

the overturning cover is fixedly connected with the rotating part of the hinge device.

Optionally, a torsion spring is further sleeved on the rotating shaft of the hinge device, and the torsion spring is used for driving the overturning cover to rotate to cover the charging bottom box.

In yet another aspect, a headset assembly is provided that includes a headset body and the charging cartridge.

The utility model has the beneficial effects of providing a hinge device, a charging box and a headset assembly:

in general, the torsion spring drives the turnover cover to rotate to cover the charging bottom box, and at the moment, the hook plate is separated from the limit groove;

when the earphone body needs to be taken out, the elastic action of the torsion spring is overcome, the overturning cover and the rotating part are rotated clockwise, and when the earphone body rotates to the limit position, the hooking groove on the hooking plate hooks the limit groove so as to limit the overturning cover and the rotating part to continuously rotate clockwise relative to the fixed part, and at the moment, the situation that the hinge position is broken can not occur as long as the applied force is insufficient to damage the hooking plate or the limit plate, so that the hinge device, the charging box and the earphone assembly provided by the utility model can effectively solve the problem that the hinge position of the traditional earphone box is easily broken.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of a hinge device when a charging box provided in an embodiment is closed;

fig. 2 is a schematic structural view of a hinge device when the charging box according to the embodiment is opened.

In the figure:

1. a fixing part; 101. a limiting plate; 1011. a limit groove; 102. bolt holes;

2. a rotation shaft;

3. a rotating part; 301. a hook plate; 3011. a hooking groove; 302. and a cross beam plate.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it will be understood that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Furthermore, the terms "long," "short," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present utility model, and are not intended to indicate or imply that the apparatus or elements referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the utility model.

The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.

The utility model provides a hinge device, a charging box and an earphone assembly, which are suitable for application scenes of storing, containing and charging an earphone body, and can effectively solve the problem that the hinge position of the traditional earphone box is easy to break.

In this embodiment, the earphone assembly includes two earphone bodies and a charging box for accommodating the two earphone bodies. The charging box comprises a hinge device, a charging bottom box provided with an earphone containing cavity, a turnover cover used for sealing the earphone containing cavity and a hinge device connected with the charging bottom box and the turnover cover.

Referring to fig. 1 and 2, the hinge device includes a fixed portion 1, a rotation shaft 2, and a rotation portion 3.

The charging bottom box is fixedly connected with a hinge fixing part 1 of the hinge device, the fixing part 1 is provided with a limiting plate 101 protruding upwards, and the limiting plate 101 is provided with a limiting groove 1011. The rotation shaft 2 is attached to the fixed portion 1. The flip cover is fixedly connected with a rotating part 3 of the hinge device, the rotating part 3 is hinged with the fixed part 1 through the rotating shaft 2, and a hook plate 301 for being clamped with the limiting groove 1011 is arranged at the position of the rotating part 3 corresponding to the limiting groove 1011.

Optionally, the fixing portion 1 is further provided with a bolt hole 102 for mounting and fixing, and the fixing portion 1 may be fixed in the charging bottom case after passing through the bolt hole 102 by a locking bolt or the like.

In this embodiment, the number of the limiting plates 101 is two; the rotating part 3 comprises two opposite hook plates 301 and a beam plate 302 connected with the upper parts of the two hook plates 301, and the two hook plates 301 and the beam plate 302 are in an inverted U-shaped structure.

The rotating shaft 2 passes through the middle part of the hook plate 301 and is rotatably connected with the hook plate 301; the lower part of the hook plate 301 is provided with a hook groove 3011 with an opening facing the limiting plate 101.

Optionally, a torsion spring is further sleeved on the rotating shaft 2 of the hinge device, and is used for driving the overturning cover to rotate to cover the charging bottom box.

In general, as shown in fig. 1, the torsion spring drives the flip cover to rotate to cover the charging bottom box, and at this time, the hook plate 301 is separated from the limit groove 1011;

when the earphone body needs to be taken out, as shown in fig. 2, the flip cover and the rotating part 3 are rotated clockwise against the elastic force of the torsion spring, and when the earphone body rotates to the limit position, the hook groove 3011 on the hook plate 301 hooks the limit groove 1011 to limit the flip cover and the rotating part 3 to continue rotating clockwise relative to the fixed part 1, and at the moment, the situation that the hinge position is broken can not occur as long as the applied force is insufficient to damage the hook plate 301 or the limit plate 101, so that the hinge device, the charging box and the earphone assembly provided by the utility model can effectively solve the problem that the hinge position of the traditional earphone box is easily broken.

Optionally, in order to improve the structural strength of the hook plate 301 and the limiting plate 101, the fixing portion 1, the rotating shaft 2 and the rotating portion 3 are all metal pieces.

In this embodiment, the limiting plate 101 is inclined, and the horizontal distance from the limiting plate 101 to the rotating shaft 2 increases gradually from top to bottom, which is favorable for improving the tensile strength of the limiting plate 101, and when the hook plate 301 hooks the limiting groove 1011, the limiting plate 101 is not easy to deform.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A hinge device, comprising:

the fixing part (1), wherein the fixing part (1) is provided with a limiting plate (101) protruding upwards, and the limiting plate (101) is provided with a limiting groove (1011);

a rotation shaft (2), wherein the rotation shaft (2) is mounted on the fixing part (1);

the rotating part (3), the rotating part (3) is hinged with the fixed part (1) through the rotating shaft (2), and a hook plate (301) used for being clamped with the limiting groove (1011) is arranged at the position of the rotating part (3) corresponding to the limiting groove (1011).

2. Hinge device according to claim 1, characterized in that the limiting plate (101) is inclined and that the horizontal distance of the limiting plate (101) to the rotation axis (2) increases gradually from top to bottom.

3. Hinge device according to claim 1, characterized in that the fixing part (1) is further provided with bolt holes (102) for mounting and fixing.

4. Hinge device according to claim 1, characterized in that the number of limiting plates (101) is two.

5. Hinge device according to claim 4, characterized in that said rotating part (3) comprises two opposite said hooking plates (301) and a cross-beam plate (302) connecting the upper parts of two said hooking plates (301),

the two hook plates (301) and the beam plate (302) are of an inverted U-shaped structure.

6. Hinge device according to claim 5, characterized in that said rotation shaft (2) passes through the middle of said hooking plate (301) and is connected in rotation to said hooking plate (301);

the lower part of the hook plate (301) is provided with a hook groove (3011) with an opening facing the limiting plate (101).

7. Hinge device according to claim 1, characterized in that the fixing part (1), the rotation shaft (2) and the rotation part (3) are all metal pieces.

8. A charging cartridge, comprising:

the hinge device according to any one of claims 1 to 7;

the charging bottom box is fixedly connected with a hinge fixing part (1) of the hinge device;

the overturning cover is fixedly connected with the rotating part (3) of the hinge device.

9. The charging box according to claim 8, wherein a torsion spring is further sleeved on the rotating shaft (2) of the hinge device, and is used for driving the flip cover to rotate to cover the charging bottom box.

10. A headset assembly comprising a headset body and a charging cartridge according to claim 8 or 9.