TWI395535B - Battery cover latching structure and portable electronic device using same - Google Patents

Description

Battery cover latch structure and portable electronic device using the same

The present invention relates to a battery cover latch structure, and more particularly to a card lock structure suitable for a battery cover of a card lock portable electronic device and a portable electronic device using the same.

Portable electronic devices such as mobile phones and personal digital assistants (PDAs) are increasingly used, and batteries that provide energy to portable electronic devices have to be replaced as energy is consumed. In order to facilitate battery installation, people have designed Many battery cover mounting structures.

A battery cover structure for a mobile communication device, comprising a casing body, a battery cover, a button and a spring, the casing body is provided with a groove, a spring is connected to the bottom of the button, and the button and the spring are embedded The button is provided with a hook in the groove, and the button is provided with a hook, and the battery cover is provided with a card slot, and the hook can be locked in the card slot of the battery cover. When assembling, press the button down, cover the battery cover, release the button, the spring will move the button upwards under the elastic force, and then the hook will be stuck in the card slot of the battery cover; when the battery cover is removed, the button is pressed. The button hook 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 spring of the battery cover latch structure has a certain life span, and the spring will fail when used for a long time, so the latch structure is not durable. In addition, such a structure requires a space for mounting a button and a spring on the casing body, thereby reducing the availability of the casing body space.

In view of the above disadvantages, it is necessary to provide a battery cover latch structure which is durable and space-saving.

In addition, it is also necessary to provide a portable electronic device using the above-described battery cover latch structure.

A battery cover latch structure for mounting a battery cover on a casing of a portable electronic device, the battery cover latch structure comprising a recess disposed on the battery cover, and being mounted in the recess a fastening device and a latching portion disposed on the housing, the latching portion is provided with at least one engaging slot, the securing device comprises a latch, the latch comprises an annular elastic body, a pressing portion protruding from the elastic body and at least one hook protruding from the body, the hook is elastically engaged with the engaging groove by the elastic force of the elastic body, and the elastic body is pressed by pressing the pressing portion Compression deformation occurs to engage or disengage the hook with the engagement groove.

A portable electronic device includes a casing, a cavity disposed on the casing for accommodating the battery, a battery cover covering the casing to cover the cavity, and a battery cover disposed on the portable a battery cover latch structure on an electronic device, the battery cover latch structure comprising a recess disposed on the battery cover, a securing device mounted in the recess, and a snapping on the housing The latching portion is provided with at least one engaging slot, and the latching device comprises a latching body, the latching device comprises an annular elastic body, a pressing portion protruding from the elastic body and protruding from the body At least one hook, the hook is elastically engaged with the engaging groove by the elastic force of the elastic body, and the elastic body is compressed and deformed by pressing the pressing portion, so that the hook and the engaging slot card are Combined or detached.

Compared with the prior art, the battery cover latch structure is simple in structure, and uses a latch made of an elastic material to realize opening and closing of the battery cover relative to the housing, and has a long service life, and at the same time, the card The lock is mounted in a recess in the battery cover to avoid occupying space in the housing.

The battery cover latch structure of the invention is suitable for portable electronic devices such as mobile phones and PDAs. The portable electronic device includes a battery cover 1 and a casing 2.

Referring to FIG. 1 , a battery cover latch structure of a preferred embodiment of the present invention includes a substantially rectangular recess 11 formed in the battery cover 1 , a securing device 12 received in the recess 11 , and a housing disposed in the housing 2 on one of the engaging portions 21 (see Fig. 5). The battery cover latch structure is for mounting the battery cover 1 on the housing 2. The fastening device 12 includes a latch 120 and a tray 128.

The battery cover 1 has an inner surface 13 and two edges 14 and 15 which are parallel and slightly folded toward the inner surface 13 and which are mounted on the casing 2 through the inner surface 13 side. The recess 11 is substantially rectangular and opens on the inner surface 13 of the battery cover 1 and against the edge 15. The battery cover 1 at the recess 11 is cut along the edge 15 to form a rectangular cutout 16. The bottom of the groove 11 is provided with two positioning posts 17 spaced apart in the direction parallel to the edge 15. A convex card holder 18 is further disposed at a central portion of the bottom of the recess 11. The card holder 18 is provided with a semi-cylindrical card slot 181, and the opening of the card slot 181 faces the notch 16 of the recess 11.

Referring to FIG. 2 at the same time, the latch 120 of the securing device 12 is received in the recess 11 of the battery cover 1 and includes a body 12 having a substantially annular shape. The body 121 includes a flat portion 1212 , a curved portion 1214 opposite to the flat portion 1212 , and two opposite portions and the flat portion 1212 and the curved portion 1214 . The connecting portions 1216 are connected to each other in an arc shape at both ends. The distance between the curved portion 1214 and the flat portion 1212 gradually decreases from both ends toward the middle portion. The latch 120 further includes two hooks 123 protruding outward from the flat portion 1212 of the body 121 adjacent to the two ends, and a pressing portion 125 between the hooks 123. Each of the hooks 123 includes a connecting portion 1231 and a latching portion 1233. The connecting portion 1231 is formed by the body 121 extending straight for a distance and then bent in a direction substantially perpendicular to the body 121. The engaging portion 1233 is formed by the connecting portion 1231 extending away from the one end of the body 121 by a distance parallel to the body 121. The pressing portion 125 is formed by a body 121 located between the two hooks 123 toward the hook 123 side, and is engaged with the notch 16 of the recess 11 of the battery cover 1. The body 121 protrudes from the middle portion of the curved portion 1214 toward the straight portion 1212 with a latch 127 that cooperates with the slot 181 of the battery cover 1. The latch 120 is an elastic member which may be made of a resilient plastic material such as acrylonitrile butadiene styrene (ABS), polychloroprene (PC) or the like.

Referring to FIG. 3 at the same time, the shape and size of the pallet 128 conform to the shape and size of the groove 11. A positioning hole 1281 is defined in each of the positions of the supporting plate 128 corresponding to the two positioning posts 17 in the recess 11 , and a plurality of resisting posts 1282 are also spaced apart on one surface thereof. A rectangular opening 1283 is defined in a position corresponding to the two hooks 123 of the latch 120 on one edge of the pallet 128. The brackets 128 are respectively fixed in the recesses 11 through the two positioning holes 1281 of the two positioning holes 1281, and the resisting posts 1282 are abutted against the bottom of the recesses 11 and the recesses The bottom of the 11 forms a clamping space. The latch 120 is fixed to the clamping space (not shown), and the two hooks 123 respectively extend from the two openings 1283 of the bracket 128.

Referring to FIG. 5 and FIG. 6 , the housing 2 of the embodiment is provided with a cavity 22 for Hold the battery (not shown). The engaging portion 21 includes a substantially "L" shaped engaging groove 212. The two engaging grooves 212 are formed on the surface of the casing 2 to open the cavity 22. Each of the engaging grooves 212 includes an exiting slot 2123. And a card holding slot 2125 communicating with the exit slot 2123. The exiting slot 2123 is formed by the surface of the housing 2 having the cavity 22 open to the opposite surface thereof, and the retaining slot 2125 is further formed by the surface along the exit slot 2123 toward the side wall of the housing 2. The two engaging slots 212 are respectively configured to cooperate with the two hooks 123 of the battery cover 1 .

Referring to FIG. 1 and FIG. 4, when the fixing device 12 of the battery cover 1 is installed, the latch 120 is placed in the recess 11 of the battery cover 1 so that the two positioning posts 17 in the recess 11 are located on the body of the latch 120. The latch 127 is engaged in the slot 181 of the card holder 18 of the battery cover 1 , and the pressing portion 125 of the latch 120 is engaged with the notch 16 of the recess 11 of the battery cover 1 , and The two hooks 123 are extended away from the battery cover 1. Then, the bracket 128 is provided with a cover of the resisting post 1282 facing the recess 11 , and the two positioning posts 17 in the recess 11 are respectively sleeved in the two positioning holes 1281 , and the two latches 123 of the latch 120 are respectively respectively It extends from the opening 1283 of the bracket 128.

When the battery cover 1 is attached, the battery cover 1 on which the fastening device 12 is mounted is placed on the casing 2 to cover the cavity 22. Then, the pressing portion 125 of the latch 120 is pressed, and the body 121 of the latch 120 is elastically deformed by the force, and is contracted into the battery cover 1 with the two hooks 123. When the two hooks 123 are respectively aligned with the housing 2 When the two engaging slots 212 are separated from the slot 2123, the two hooks 123 are respectively inserted into the exiting slots 2123 of the two engaging slots 212, and the pressing of the pressing portion 125 is released, and the card of the hook 123 is applied by the elastic force. The holding portion 1233 enters the holding slot 2125 of the engaging groove 212 to fix the battery cover 1 to the housing 2 on.

When the battery cover 1 is removed, the pressing portion 125 of the latch 120 is pressed inwardly, and the body 121 of the latch 120 is elastically deformed by the force, and is contracted with the two hooks 123 to the battery cover 1 by a certain distance to make the two hooks The holding portion 1233 of the 123 is withdrawn into the exiting slot 2123 of the second engaging slot 212, and the battery cover 1 is pulled upward to facilitate the removal of the battery cover 1.

It can be understood that the number of the hooks 123 on the latch 120 can also be one or two, corresponding to the number of openings 1283 opened on the tray 128 and the engaging slots provided on the housing 2. The number of 212 corresponds to this.

It can be understood that, in order to make the battery cover 1 relatively tightly attached to the casing 2, the battery cover latching structure may further include a positioning structure for use in the other positions on the battery cover 1 and the casing 2, for example, a plurality of hooks are disposed on the other side of the battery cover 1 opposite to the fastening device, and corresponding snap grooves are provided at corresponding positions of the housing 2, and the hooks are engaged with the corresponding snap grooves to make the battery cover 1 more firmly covered on the housing 2

1‧‧‧ battery cover

11‧‧‧ Groove

12‧‧‧Clamping device

120‧‧‧ card lock

121‧‧‧Ontology

1212‧‧‧ Straight

1214‧‧‧Bend

1216‧‧‧Arc connection

123‧‧‧ hook

1231‧‧‧Connecting Department

1233‧‧‧Cars Department

125‧‧‧ Pressing Department

125‧‧‧ Pressing Department

127‧‧‧ card sales

128‧‧‧ pallet

1281‧‧‧Positioning holes

1282‧‧‧Resist the column

1283‧‧‧ openings

2‧‧‧Shell

21‧‧‧Care Department

212‧‧‧ snap groove

2123‧‧‧Exit slot

2125‧‧‧ card holding slot

22‧‧‧ Cavity

1 is an exploded perspective view of a battery cover latch structure according to a preferred embodiment of the present invention.

2 is a schematic view showing a latch of a battery cover latch structure according to a preferred embodiment of the present invention.

3 is a schematic view of a pallet of a battery cover latch structure according to a preferred embodiment of the present invention.

4 is a schematic view showing the assembly of a fastening device and a battery cover for a battery cover latch structure according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view of a latching portion of a battery cover latch structure according to a preferred embodiment of the present invention.

Figure 6 is a cross-sectional view of the battery cover latch structure of Figure 5 taken along line VI-VI.

1‧‧‧ battery cover

12‧‧‧Clamping device

120‧‧‧ card lock

123‧‧‧ hook

125‧‧‧ Pressing Department

127‧‧‧ card sales

128‧‧‧ pallet

1281‧‧‧Positioning holes

1282‧‧‧Resist the column

1283‧‧‧ openings

13‧‧‧ inner surface

14, the edge of 15‧‧

16‧‧‧ gap

17‧‧‧Positioning column

18‧‧‧ deck

181‧‧‧ card slot

2‧‧‧Shell

Claims (15)

A battery cover latch structure for mounting a battery cover on a casing of a portable electronic device, wherein the battery cover latch structure comprises a recess provided on the battery cover, and is mounted on the battery cover a fastening device in the recess and a latching portion disposed on the housing, the latching portion is provided with at least one engaging slot, the securing device includes a latch, and the latch includes a ring The elastic body, a pressing portion protruding from the elastic body and at least one hook protruding from the body, the hook elastically engaging with the engaging groove under the elastic force of the elastic body, and pressing the pressing The portion deforms the elastic body to engage or disengage the hook from the engaging groove. The battery cover latching structure of claim 1, wherein the elastic body is an annular frame, and comprises a flat portion, an elastic bending portion opposite to the straight portion, and two oppositely disposed The straight portion and the curved portion are respectively curvedly connected to each other by an arc-shaped connecting portion. The battery cover latch structure according to claim 2, wherein the pressing portion and the hook are protruded from the straight portion. The battery cover latch structure of claim 1, wherein the engaging portion is disposed on a surface of the housing-mounted battery, and includes two engaging slots, each of the engaging slots includes an exiting slot and The extension slot extends and is perpendicular to one of the exit slots. The hook includes a connecting portion and a latching portion. One end of the connecting portion is connected to the body of the latch, and the other end is connected to the latch portion. The holding portion is held in the holding slot of the engaging groove. The battery cover latching structure of claim 1, wherein the securing device further comprises a pallet, the pallet having a shape and a size corresponding to the shape and size of the recess. The battery cover latching structure of claim 2, wherein the recess is opened along the edge of the battery cover toward the surface of the housing, and a bottom of the recess is provided with a rectangular notch near the edge of the battery cover. The portion is engaged at a gap of the edge of the battery cover. The battery cover latching structure of claim 6, wherein a bottom of the recess is convexly provided with a card slot, the card slot is provided with a card slot, and the opening of the card slot faces the notch direction, the body A latch is protruded from the middle of the curved portion toward the straight portion, and the latch is engaged in the slot of the card seat. The battery cover latching structure of claim 5, wherein the bottom of the groove is provided with two positioning posts, and the supporting plate is provided with two positioning holes matched with the two positioning posts in the groove, Used to position the pallet within the recess. The battery cover latching structure of claim 5, wherein a plurality of abutting posts are protruded from the surface of the pallet toward the groove, and the resisting post abuts against the bottom of the groove. One of the edges of the pallet is provided with a rectangular opening of the same number as the hook of the latch, so that the hook protrudes from one of the openings of the pallet. A portable electronic device includes a casing, a cavity disposed on the casing for accommodating the battery, a battery cover covering the casing to cover the cavity, and a battery cover disposed on the portable The battery cover latch structure of the electronic device is improved in that the battery cover latch structure includes a recess disposed on the battery cover, a securing device mounted in the recess, and a housing disposed on the housing In the upper engaging portion, the engaging portion is provided with at least one engaging groove, the fastening device comprises a latch, the latch comprises an annular elastic body, a pressing portion protruding from the elastic body, and At least one hook protruding from the body, the hook elastically engaging with the engaging groove under the elastic force of the elastic body, and pressing the pressing The portion deforms the elastic body to engage or disengage the hook from the engaging groove. The portable electronic device of claim 10, wherein the elastic body is an annular frame, and includes a flat portion, an elastic bending portion opposite to the straight portion, and two opposite and The straight portion and the curved portion are respectively curvedly connected to each other by an arc-shaped connecting portion, and the pressing portion and the hook are respectively protruded from the straight portion. The portable electronic device of claim 10, wherein the engaging portion is disposed on a surface of the housing-mounted battery, and includes two engaging slots, each of the engaging slots includes an exiting slot and The extension slot extends and is perpendicular to one of the exit slots. The hook includes a connecting portion and a latching portion. One end of the connecting portion is connected to the body of the latch, and the other end is connected to the latch portion. The holding portion is held in the holding slot of the engaging groove. The portable electronic device of claim 10, wherein the battery cover comprises an inner surface and two edges that are parallel and folded toward one side of the inner surface, the recesses being facing the housing by the battery cover The surface is opened along the edge, and the bottom of the groove is provided with a rectangular notch near the edge of the battery cover, and the pressing portion is engaged at the notch of the edge of the battery cover. The portable electronic device of claim 13, wherein the bottom of the groove is further provided with two positioning posts and a protruding card holder, wherein the card holder is provided with a card slot, and the opening of the card slot faces In the direction of the notch, the body protrudes from the middle of the curved portion toward the straight portion with a bayonet pin that is engaged in the card slot of the card seat. The portable electronic device of claim 10, wherein the securing device further comprises a pallet having a shape and a size corresponding to a shape and a size of the recess, the pallet and the mounting Two positioning column phases in the groove There are two positioning holes at the position, and a plurality of abutting columns are further protruded on one surface thereof, and one of the edges of the pallet is provided with a rectangular opening having the same number of hooks as the latch, and the pallet passes through the same The two positioning holes are respectively sleeved on the two positioning posts and fixed in the grooves. The abutting posts abut against the bottom of the groove, and each of the hooks respectively protrudes from an opening of the plate.