TWI427462B - Battery cover locking structure - Google Patents

Description

Battery cover lock structure

The present invention relates to a battery cover latch structure, and more particularly to a battery cover latch structure applied to a portable electronic device.

At present, portable electronic devices such as personal digital assistants (PDAs) and mobile phones use batteries as their energy source. The batteries of the existing portable electronic devices are mostly detachable batteries, and are accommodated in portable electronic devices. There is a battery cover that is inserted into the body of the casing. When you need to replace the battery, open the battery cover and remove the battery.

An existing battery cover structure comprises a body, a battery cover, a button and a spring, the body is provided with a groove, the bottom of the button has a level column, the spring is connected, the button and the spring are embedded in the groove The inside of the groove can be moved within a certain range, and the button is provided with a locking portion, and the battery cover is provided with a card slot, and the engaging portion can be locked in the card slot of the battery cover. When assembling, push the button to the battery cover to release the button, cover the battery cover, release the button, and the spring acts under the elastic force to drive the button to move in the opposite direction, so that the engaging portion is stuck on the card slot of the battery cover; When the battery cover is pressed, the button is pushed to the level of the battery cover to be released, and the engaging portion of the button is separated from the battery cover slot to remove the battery cover. Although the battery cover latch structure can replace the battery, the disadvantage is that when the button is pushed in the horizontal direction during operation, the operation is inconvenient when the phone is held by the hand.

In view of this, it is necessary to provide a battery cover latch structure that is easy to operate.

A battery cover latching structure includes a casing, a battery cover and a holding component, the casing is provided with a receiving hole, the battery cover is provided with a locking portion, and the holding component comprises an operating component The operating member is rotatably mounted on the receiving hole, and the operating member is provided with a resisting block that elastically abuts against the engaging portion.

Compared with the prior art, the battery cover latch structure of the present invention separates the battery cover from the housing by rotating the operating member, and is convenient to operate.

100‧‧‧Battery cover lock structure

101‧‧‧ first surface

11‧‧‧ battery slot

1111‧‧‧ mounting holes

114‧‧‧ card slot

1143‧‧ ‧ chute

1151‧‧‧Kakong

13‧‧‧ accommodating holes

131‧‧‧stop

133‧‧ ‧block

15‧‧‧Installation column

20‧‧‧Battery cover

211‧‧‧First side panel

2121‧‧‧ openings

2131‧‧‧Bumps

23‧‧‧Clock Department

2311‧‧‧Bevel

2312‧‧‧Connecting Department

2315‧‧‧Positioning groove

24‧‧‧ bayonet

31‧‧‧Operating parts

3111‧‧‧Operation Department

3121‧‧‧Flange

313‧‧‧ bottom

33‧‧‧Flexible parts

351‧‧‧through hole

10‧‧‧shell

103‧‧‧ second surface

111‧‧‧End wall

113‧‧‧First side

1141‧‧‧ Guide groove

115‧‧‧second end

117‧‧‧ second side

21‧‧‧ cover

212‧‧‧ card block

213‧‧‧ second side panel

215‧‧‧ third side panel

231‧‧‧ wall

2313‧‧‧Two curved parts

30‧‧‧Card components

311‧‧‧ top surface

312‧‧‧Installation Department

3123‧‧‧ gap

3131‧‧‧Resistance block

35‧‧‧shims

353‧‧ ‧ pinhole

1 is an exploded perspective view of the battery cover latch structure of the present invention; FIG. 2 is an exploded perspective view of the battery cover lock structure of FIG. 1; FIG. 3 is a perspective view of the battery cover lock structure of the present invention; FIG. 3 is a perspective view of another angle of FIG. 3; FIG. 5 is a schematic view showing the open state of the battery cover latch structure of the present invention; FIG. 6 is a perspective view of another angle of FIG.

The battery cover latch structure of the present invention is applied to a portable electronic device. In the present embodiment, it is explained by using it as a mobile phone.

Referring to FIG. 1 , the battery cover latch structure 100 of the present invention includes a housing 10 , a battery cover 20 , and a latch assembly 30 . The latch assembly 30 is rotatably mounted to the housing 10, and the battery cover 20 is separated from the housing 10 by the rotary latch assembly 30.

The housing 10 is substantially rectangular parallelepiped and includes a first surface 101 and a second surface 103 opposite the first surface 101. A battery slot 11 is defined in the first surface 101 of the housing 10, and includes an end wall 111. The top end of the end wall 111 defines a mounting hole 1111. The cross section is substantially rectangular, and the mounting hole 111 penetrates the second surface 103. Referring to FIG. 2 , the housing 10 has a receiving hole 13 extending through the first surface 101 and the second surface 103 adjacent to the end wall 111 . A stopper portion 131 and a stopper 133 are protruded from the inner wall of the accommodating hole 13 , and the stopper 133 extends in the direction of the second surface 103 along the stopper portion 131 . The second surface 103 is further provided with a rectangular distribution of four mounting posts 15 near the receiving hole 13.

The housing 10 includes a first side end 113, a second side end 117 and a top end 115. The first side end 113 is opposite to the second side end 117. The first side end 113 and the second side end 117 are spaced apart from each other to provide two card slots 114. Each of the card slots 114 is substantially L-shaped, and includes a guiding slot 1141 and a sliding slot 1143. One end of the guiding slot 1141 It penetrates through the chute 1143. The outer side of the top end 115 is spaced apart by two card holes 1151, and each of the card holes 1151 is substantially rectangular.

The battery cover 20 includes a cover body 21 and a first side plate 211, a second side plate 213 and a third side plate 215 extending from three sides of the cover body 21 to form a three-sided closed side. An engaging portion 23 is formed on the inner wall of the open end of the cover body 21, and a latching opening 24 is formed at the end of the engaging portion 23, so that a wall surface surrounding the bayonet 24 is formed in the engaging portion 23. 231, the wall surface 231 includes two symmetrical inclined surface portions 2311, two curved portions 2313 connected to the inclined surface portion 2311, and a connecting portion 2312 connecting the two curved portions 2313. The middle portion of the connecting portion 2312 is recessed into a Curved positioning groove 2315. Each of the first side plate 211 and the third side plate 215 is spaced apart from the inner side of the first side plate 211 and the third side plate 215, and each of the blocks 212 is substantially a rectangular parallelepiped having a substantially rectangular opening 2121. In the embodiment, the block is opened. The thickness of 212 is substantially equivalent to the wall thickness of the battery cover 20 so that the battery cover 20 has a small cooling stress when it is injection molded from plastic. Two protrusions 2131 are spaced apart from each other on the second side plate 213 of the cover body 21.

The holding component 30 includes an operating member 31, an elastic member 33 and a spacer 35. The elastic member 33 is mounted on the operating member 31 for providing elastic force. The spacer 35 is used for rotating the operating member 31. The ground is mounted in the receiving hole 13 of the housing 10. The operating member 31 is substantially disk-shaped and includes a top surface 311 and a bottom surface 313 opposite to the top surface 311, and a mounting portion 312 is disposed around the peripheral wall portion. The top surface 311 is recessed to form a basin shape, and an operation portion 3111 is protruded thereon. The two ends of the operation portion 3111 are semi-cylindrical and the middle portion is elongated. A resisting block 3131 parallel to the operating portion 3111 is protruded from the bottom surface 313, and is made of an elastic material. In the embodiment, rubber is used. The two ends of the resisting block 3131 are semi-cylindrical, and the middle portion is elongated, and the maximum diameter of the two ends is greater than the width of the middle portion. The mounting portion 312 has a radius smaller than the inner diameter of the stopping portion 131 of the receiving hole 13; the mounting portion 312 includes a flange 3121 and a notch 3123 formed between the flange 3121. The flange 3121 partially surrounds the operating member The outer peripheral wall of 31 is formed so as not to surround the notch 3123. In the present embodiment, the central angle of the notch 3123 is 60 degrees.

The elastic member 33 is a curved spiral spring, and the diameter of the inner circular arc is substantially equal to the diameter of the flange 3123, and the length is greater than the length of the notch 3123.

The spacer 35 has a substantially square plate body, and a through hole 351 is defined in the middle portion. When the operating member 31 is received in the receiving hole 13, the flange 3121 abuts against the stopping portion 131 of the receiving hole 13. The spacer 35 is used to support the flange 3121. Each of the four corners of the spacer 35 has a pin hole 353 for receiving the mounting post 15 of the housing 10.

Referring to FIG. 3 and FIG. 4, during operation, the operating member 31 is passed through the receiving hole 13 of the housing 10, and the top surface 311 is exposed from the first surface 101 of the housing 10, and the elastic member 33 is placed in the flange. The notch 3123 of the 3121 is abutted against the stopper 133 of the receiving hole 13; the mounting post 15 of the housing 10 is passed through the pin hole 353 of the spacer 35, and the two are fixedly connected by ultrasonic heating; The engaging portion 23 of the cover 20 passes through the mounting hole 1111 of the housing 10 and slides The battery cover 20 is configured to be engaged with the first side plate 113 of the first side plate 211 and the third side plate 215 on the first side end 113 of the casing 10 and the sliding groove 1143 of the second side end 117; the operating member 31 is rotated. The abutting block 3131 of the bottom surface 313 is elastically deformed and is engaged with the wall surface 231 of the engaging portion 23, and the two ends of the resisting block 3131 are pressed against the two curved portions 2313 of the wall surface 231. The battery cover latch structure 100 is installed. At this time, the two bumps 2131 on the second side plate 213 of the battery cover 20 are engaged with the two card holes 1151 of the second end portion 115 of the housing 10, and the elastic member 33 is compressed. status.

When the battery cover 20 is to be removed, referring to FIGS. 5 to 6, the operation portion 3111 on the top surface 311 of the operation member 31 is rotated, and the resisting block 3131 on the bottom surface 313 is elastically deformed from the wall surface 231 of the engaging portion 23. Pulling out and further compressing the elastic member 33; when the resisting block 3131 is rotated perpendicular to the connecting portion 2312 of the engaging portion 23, it is received in the positioning groove 2315, and the battery cover 20 is slid to be engaged The portion 23 is taken out from the mounting hole 1111, and the operating portion 3111 is released, and the operating member 31 is returned to the initial position by the elastic force; thus, the separation of the battery cover 20 from the housing 10 is completed.

It can be understood that the length of the elastic member 33 of the battery cover latch structure 100 of the present invention is not limited to be longer than the length of the notch 3123 of the flange 3121, and may be not less than 80% of the length of the notch 3123 of the flange 3121 to improve the elastic member 33. The fatigue strength increases the service life.

It can be understood that the connection between the mounting post 15 and the spacer 35 on the casing 10 of the battery cover latch structure 100 of the present invention is not limited to the use of ultrasonic hot-melt fixing connection, and a detachable connection manner such as a screw connection may be employed.

It can be understood that the abutting block 3131 of the operating member 31 of the battery cover latch structure 100 of the present invention is not limited to being made of an elastic material, and when it is not made of an elastic material, the engaging portion 23 of the battery cover 20 is elastic. Made of materials.

It can be understood that the elastic body of the holding component 30 of the battery cover latch structure 100 of the present invention can be fixed at one end to the housing 10 to improve the stability of its movement.

It can be understood that the number of the protrusions 2131 on the second side plate 213 of the battery cover 20 of the battery cover latch structure 100 of the present invention is not limited to two, and may be one or plural, and correspondingly, the second end portion 115 of the housing 10 The number of card holes 1151 changes accordingly.

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.

100‧‧‧Battery cover lock structure

101‧‧‧ first surface

111‧‧‧End wall

1111‧‧‧ mounting holes

113‧‧‧First side

114‧‧‧ card slot

1141‧‧‧ Guide groove

1143‧‧ ‧ chute

115‧‧‧second end

1151‧‧‧Kakong

117‧‧‧ second side

20‧‧‧Battery cover

23‧‧‧Clock Department

24‧‧‧ bayonet

30‧‧‧Card components

31‧‧‧Operating parts

311‧‧‧ top surface

3111‧‧‧Operation Department

312‧‧‧Installation Department

3121‧‧‧Flange

3123‧‧‧ gap

313‧‧‧ bottom

33‧‧‧Flexible parts

35‧‧‧shims

351‧‧‧through hole

353‧‧ ‧ pinhole

10‧‧‧shell

11‧‧‧ battery slot

13‧‧‧ accommodating holes

21‧‧‧ cover

Claims (9)

A battery cover latch structure includes a casing and a battery cover, the casing is provided with a receiving hole, and the battery cover is provided with a latching portion, and the improvement is that the end of the engaging portion is from the card The end wall of the joint is concavely disposed with a bayonet opening toward the inner portion of the engaging portion, and the bayonet is surrounded by an irregular wall surface, and the wall surface includes two inclined surfaces symmetrically disposed on two sides of the trapezoidal opening of the bayonet. a two-arc portion connected to the two inclined portions and a connecting portion connecting the two curved portions, the battery cover latching structure further comprises a holding component, the holding component comprises an operating component, and the operating component can be Rotatingly mounted on the accommodating hole of the housing, the operating member is provided with a resisting block, and the two ends of the resisting block are respectively engaged with the corresponding curved portion, by rotating the operating member The resisting block is elastically locked or detached from the engaging portion of the battery cover. The battery cover latching structure of claim 1, wherein the battery cover latching structure further comprises an elastic member, the elastic member having one end abutting the housing and the other end abutting against the operating member. The battery cover latch structure of claim 2, wherein the resisting block is made of an elastic material. The battery cover latching structure of claim 2, wherein the operating member comprises a mounting portion, the mounting portion includes a flange and a notch formed between the flange, the elastic member is mounted to the notch on. The battery cover latching structure of claim 4, wherein the latching assembly further comprises a spacer, a stop portion and a stopper protruding from the inner wall of the receiving hole, the flange mounting One end of the elastic member is stopped by the stopper, and the other end is abutted on the flange, and the gasket mounts the operating member on the casing, and the resisting block is from the The gasket is exposed. The battery cover latch structure according to claim 5, wherein the operating member further comprises a top The mounting portion is formed between the top surface and the bottom surface, and an operating portion is protruded from the top surface, the operating portion being parallel to the resisting block. The battery cover latch structure according to claim 4, wherein the elastic member is a curved spiral spring whose length is not less than 80% of the length of the notch. The battery cover latching structure of claim 1, wherein the battery cover is provided with a first side plate and a third side plate, and the inner side of the first side plate and the third side plate are respectively spaced apart by two blocks. The housing includes a first side end and a second side end. The first side end and the second side end are respectively spaced apart from each other by two card slots. Each card slot includes a guiding slot and a chute. One end of the guiding groove passes through the sliding slot, and each of the clamping blocks passes through a guiding slot and is mounted on the sliding slot. The battery cover latch structure according to claim 8, wherein the battery cover is made of plastic, and each of the blocks has an opening.