TWI420726B - Battery cover assembly - Google Patents

Description

Battery cover assembly

The present invention relates to a battery cover assembly, and more particularly to a battery cover assembly for use in an electronic device.

With the continuous innovation and advancement of technology, electronic devices such as personal digital assistants, palm-sized computers, portable electronic dictionaries, digital cameras and mobile phones have gradually filled the lives of everyone. This type of electronic product power supply is provided by a battery slot structure for the battery unit to be placed on the back of the casing. After the battery unit is installed in the battery slot, the battery cover that is engaged with the battery slot is engaged with the opening of the battery slot, thereby achieving the purpose of encapsulating the battery unit in the casing.

However, in the conventional battery cover assembly, when the battery is replaced during use, the battery cover needs to be removed to disengage the battery cover from the electronic device body. After replacing the battery, you need to manually snap the battery cover into the battery compartment. In this way, it is extremely inconvenient to replace the battery.

In view of this, it is necessary to provide a battery cover assembly that is convenient to use.

A battery cover assembly includes a housing and a battery cover, the housing defines a receiving slot for mounting a battery and a recess for receiving the battery cover, and the battery cover is received in the recess a rotating shaft is disposed on the surface of the casing, and a locking portion is disposed on the surface of the casing. The casing defines a rotating hole corresponding to the rotating shaft. The shaft is rotatably received in the rotating hole, the housing defines a card slot corresponding to the engaging portion, the engaging portion is engaged with the card slot, and the battery cover assembly further comprises an elastic body, the elastic body One end is fixed on the rotating shaft, and the other end is fixed on the housing. When the engaging portion is disengaged from the engaging slot, the elastic body provides a force for rotating the battery cover relative to the housing.

Compared with the prior art, the battery cover assembly can be automatically unscrewed by the elastic force of the elastic body by releasing the engagement between the engaging portion and the card slot.

100‧‧‧Battery cover assembly

26‧‧‧Second side wall

10‧‧‧Battery

30‧‧‧Shell

20‧‧‧Battery cover

32‧‧‧ Groove

22‧‧‧ bottom wall

322‧‧‧ bottom wall

222‧‧‧ first surface

324‧‧‧ accommodating slots

224‧‧‧ shaft

34‧‧‧ card slot

2242‧‧‧First Limitation

36‧‧‧Positioning holes

2244‧‧‧Coordination Department

38‧‧‧Rotating hole

2246‧‧‧Second Limitation

382‧‧‧First limit hole

2248‧‧‧ crack

384‧‧‧With holes

2249‧‧‧First mating slot

3842‧‧‧Second mating slot

226‧‧‧Clock Department

386‧‧‧Second limit hole

24‧‧‧First side wall

40‧‧‧ Elastomers

1 is a schematic exploded view of a battery cover assembly according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the battery cover of the battery cover assembly shown in FIG. 1; FIG. 3 is a battery cover assembly of FIG. 4 is a partial cross-sectional view of the battery cover assembly shown in FIG. 1; and FIG. 5 is a schematic view showing the battery cover of the battery cover assembly shown in FIG.

The battery cover assembly of the present invention can be applied to a portable electronic device such as a mobile phone, a personal digital assistant (PDA) or a digital camera. In this embodiment, a battery cover assembly for a mobile phone will be described as an example.

Referring to FIG. 1, the battery cover assembly 100 is used to mount a battery 10 for supplying power to an electronic device. The battery cover assembly 100 includes a battery cover 20, a housing 30, and an elastic body 40. The battery cover 20 and the housing 30 are hinged together by the elastic body 40.

Referring to FIG. 2 , the battery cover 20 includes a bottom wall 22 and a first side wall 24 and a second side wall 26 extending from a periphery of the bottom wall 22 . The bottom wall 22 includes a shell facing the shell The first surface 222 of the body 30 and the second side wall 26 extend from the first surface 222 , and the first sidewall 24 and the second sidewall 26 are adjacent to each other. A rotating shaft 224 and an engaging portion 226 are protruded from the bottom surface 22 of the bottom surface 22 . The rotating shaft 224 is located on a side opposite to the first side wall 24 , and the engaging portion 226 is located on a side opposite to the second side wall 26 , and the engaging portion 226 extends from the bottom wall 22 . In addition, the second side wall 26 is further provided with two positioning portions 262.

The rotating shaft 224 includes a first limiting portion 2242 extending from the bottom wall 22, a fitting portion 2244 extending from an end portion of the first limiting portion 2242, and a second extending from an end portion of the engaging portion 2244. Limiting portion 2246. The first limiting portion 2242, the engaging portion 2244 and the second limiting portion 2246 are both cylindrical, and the diameters of the first limiting portion 2242 and the second limiting portion 2246 are larger than the matching portion 2244.

The rotating shaft 224 defines a crack 2248 along the axis thereof. The crack 2248 extends from the end of the second limiting portion 2246 to the joint of the engaging portion 2244 and the first limiting portion 2242. The crack 2248 has a tendency to contract the shaft 224 after it is pressed.

A first engaging groove 2249 is defined in the engaging portion 2244. The first engaging groove 2249 is for engaging with the elastic body 40. The end of the second limiting portion 2246 is preferably tapered (e.g., a truncated cone shape). Thus, the rotating shaft 224 is facilitated to be engaged with the housing 30. The specific principle will be described in detail below.

Referring to FIG. 3 , the housing 30 is substantially a square body, and a recess 32 is defined in the battery cover 20 , so that a bottom wall 322 is formed on the housing 30 . The recess 32 is for receiving the battery cover 20. A receiving slot 324 is defined in the bottom wall 322 of the slot, and the receiving slot 324 is configured to receive the battery 10 . The housing 30 defines a slot 34 corresponding to the latching portion 226. The battery cover 20 and the housing 30 are coupled to the slot 34 by the latching portion 226 and the latching portion 226. The card is combined into one.

The locating portion 262 defines two positioning holes 36 corresponding to the positioning portion 262. The positioning hole 36 cooperates with the positioning portion 262 to accurately position the housing 30 and the positioning portion 262.

The housing 30 defines a rotating hole 38 corresponding to the rotating shaft 224. The rotating hole 38 includes a first limiting hole 382, a matching hole 384 and a second limiting hole 386. The first limiting hole 382 has a shape corresponding to the shape of the first limiting portion 2242 and is slightly larger than the first limiting portion 2242 for receiving the first limiting portion 2242. The shape of the mating portion 384 is similar to the shape of the mating portion 2244, and is slightly larger than the mating portion 2244, and is slightly smaller than the first limiting portion 2242 and the second limiting portion 2246 for receiving the mating portion. 2244. The second limiting hole 386 has a shape corresponding to the shape of the second limiting portion 2246 and is slightly larger than the second limiting portion 2246 for receiving the second limiting portion 2246. In addition, a second matching groove 3842 is defined in the wall of the hole forming the matching hole 384 for engaging with the elastic body 40.

The elastic body 40 provides a force for rotating the battery cover 20, and may be a coil spring. One end of the elastic body 40 is fixed to the rotating shaft 224, and the other end is fixed to the housing 30.

Referring to FIG. 4 and FIG. 5 , when assembling the battery cover assembly 100 , firstly, one end of the elastic body 40 is engaged in the first matching groove 2249 , and the elastic body 40 is wound on the engaging portion 2244 . Thus, one end of the elastic body 40 is fixed to the rotating shaft 224. Then, the rotating shaft 224 is aligned with the rotating hole 38. At this time, it should be ensured that the other end of the elastic body 40 is aligned with the second engaging groove 3842. Then, the battery cover 20 is pressed in the direction of the housing 30. Since the second limiting portion 2246 and the engaging portion 2244 are provided with the crack 2248, the second limiting portion 2246 is received by the matching hole 384. The hole of the hole wall is contracted, and the end portion of the second limiting portion 2246 has a tapered shape, so that the first limiting portion 2242 can smoothly pass through the matching hole 384. The first limiting hole 382 is inserted into the hole. Once the first limiting portion 2242 passes through the matching hole 384 and enters the first limiting hole 382, the first limiting portion 2242 will be restored to its original state, that is, the expansion is prevented to prevent the first limiting portion 2242 from being matched by the matching portion. The hole 384 is slid out to fix the rotating shaft 224 to the casing 30. In addition, the other end of the elastic body 40 is engaged in the second engaging groove 3842 to fix the other end of the elastic body 40 to The housing 30 is on. Finally, the battery cover 20 is rotated about the rotating shaft 224 to the position shown in FIG. 5 . At this time, the engaging portion 226 is engaged in the locking slot 34 , and the positioning portion 262 is engaged with the positioning hole 36 . The elastic body 40 is in a twisted state to accumulate the elastic force, that is, the assembly of the battery cover assembly 100 is completed.

Referring again to FIG. 5, when the battery cover 20 needs to be opened, the battery cover 20 is pressed adjacent to the engaging portion 226 to disengage the engaging portion 226 from the card slot 34. Subsequently, the battery cover 20 is The elastic force of the elastic body 40 is rotated to bring the battery cover 20 into the open position, that is, the position of FIG.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

20‧‧‧Battery cover

34‧‧‧ card slot

226‧‧‧Clock Department

36‧‧‧Positioning holes

30‧‧‧Shell

Claims (10)

A battery cover assembly includes a housing and a battery cover, the housing defines a receiving slot for mounting a battery and a recess for receiving the battery cover, and the battery cover is received in the recess In the slot, the accommodating slot is shielded. The battery cover is provided with a rotating shaft and a latching portion on the surface of the housing. The housing defines a rotating hole corresponding to the rotating shaft, and the rotating shaft is rotatably The housing is disposed in the rotating hole, and the housing defines a card slot corresponding to the engaging portion, the engaging portion is engaged with the card slot, and the battery cover assembly further includes an elastic body, and the elastic body is fixed at one end thereof On the rotating shaft, the other end is fixed to the housing, which provides a force for the battery cover to rotate relative to the housing. The battery cover assembly of claim 1, wherein the battery cover further comprises a bottom wall, and the engaging portion and the rotating shaft are disposed on the bottom wall. The battery cover assembly of claim 2, wherein the rotating shaft comprises a first limiting portion extending from the bottom wall, a mating portion extending from an end of the first limiting portion, and a a second limiting portion extending from an end of the engaging portion, the first limiting portion, the engaging portion and the second limiting portion are each cylindrical, and the first limiting portion and the second limiting portion The diameter of the portion is larger than the fitting portion, and the inner diameter of the rotating hole is slightly larger than the diameter of the rotating shaft. The battery cover assembly of claim 3, wherein the rotating hole comprises a first limiting hole, a matching hole and a second limiting hole, wherein the first limiting hole has a size slightly larger than the The first limiting portion is configured to receive the first limiting portion. The size of the matching hole is slightly larger than the size of the engaging portion, and is slightly smaller than the first limiting portion and the second limiting portion. Dimensions for accommodating the mating portion The size of the second limiting hole is slightly larger than the size of the second limiting portion for receiving the second limiting portion. The battery cover assembly of claim 3, wherein the mating portion defines a first mating groove for engaging the elastic body. The battery cover assembly of claim 3, wherein the rotating shaft has a slit along its axis, and the crack causes the rotating shaft to shrink toward the middle portion after being pressed. The battery cover assembly of claim 3, wherein the end of the second limiting portion has a tapered shape. The battery cover assembly of claim 2, wherein the battery cover further comprises a first side wall and a second side wall extending from a periphery of the bottom wall, the first side wall and the second side wall phase Adjacently disposed, the rotating shaft is located on a side opposite to the first side wall, and the engaging portion is located on a side opposite to the second side wall. The battery cover assembly of claim 8, wherein the second side wall is provided with a plurality of positioning portions spaced apart from each other, and the housing defines a plurality of positioning holes corresponding to the positioning portion, and the positioning portion is accommodated. Within the positioning hole. The battery cover assembly of claim 3, wherein the elastic body is a coil spring.