TWI384347B - Side key structure and portable electronic device using the same - Google Patents

Description

Side key structure and portable electronic device using the same

The invention relates to a side key structure and a portable electronic device using the same.

In the conventional mobile phone, it is often necessary to have a plurality of side keys on the side wall of the mobile phone, and the side keys can be used to adjust the volume of the call, open the backlight and scroll the screen function table, etc., so that the user can conveniently operate.

Referring to FIG. 1, a mobile phone with side keys includes a main body 101 and two side keys 103. Two recesses 105 are defined in the side wall of the main body 101, and each side key 103 is embedded in the corresponding recess 105 to touch the bottom switch of the side key 103 to realize control of the mobile phone. The side key 103 generally protrudes from the side wall of the main body 101 by a certain height so that the operator can operate the mobile phone by pressing.

However, since the side key 103 protrudes from the side of the mobile phone main body 101, when the mobile phone is carried, the side key 103 is easily squeezed by an external force, resulting in inadvertent operation of the mobile phone, causing unnecessary trouble.

In view of this, it is necessary to provide a side key structure that prevents erroneous operation.

In addition, it is also necessary to provide a mobile phone to which the side key structure is applied.

The present invention provides a side key structure for a portable electronic device having a housing, the housing including a side wall, the side key structure including a button, a card matching slot and an elastic member. The button includes a body, and the card matching slot includes an opening. The card matching slot is formed on a sidewall of the housing. The button is held in the card matching slot. Two contact blocks are protruded from the main body, and the side wall protrudes from the opening to protrude from a positioning component. The elastic member includes two arms, and a connecting hole is formed in the connecting portion of the two arms. The positioning member is coupled to the through hole to connect the elastic member to the side wall, and one end of each arm is respectively connected to a contact block. on. The button is slidable in a direction parallel to the side wall surface of the housing and provides a restoring force by the two arms.

The present invention also provides a portable electronic device including a housing and a button. The housing includes at least one side wall, and a card slot is defined in the side wall, and the button is held in the card matching slot. The card matching slot includes an opening, and the button comprises a main body, an elastic component and two contact blocks protruding from the main body. a positioning component is protruded from the side wall adjacent to the opening, the elastic component includes two arms, a connection hole is formed in the connection between the two arms, and the positioning component is coupled with the through hole to connect the elastic component to the The side wall, one end of each arm is respectively connected to a contact block. The button is slidable in a direction parallel to the side wall surface of the housing and provides a restoring force by the two arms.

Compared with the prior art, the present invention avoids being mishandled when being squeezed by an external force by changing the side key of the push type to the side key of the slide type.

The present invention discloses a side key structure, which is used in a portable electronic device such as a mobile phone. In this embodiment, a mobile phone is taken as an example. Referring to FIG. 2, the mobile phone includes a housing 60 including a two-touch switch 80 therein. The side key structure of the invention applied to the mobile phone includes a card matching The slot 90 and a button 70.

Referring to FIG. 3, the housing 60 is substantially rectangular parallelepiped. The two side walls 601 and the two end walls 602 define a space 603 for receiving a printed circuit board (not shown) and other components.

The card slot 90 is disposed on one side wall 601 of the housing 60. The card slot 90 includes a recess 905 and an opening 907 formed in the bottom of the recess 905. The recess 905 is substantially elliptical and is disposed on a side wall 601 of the housing 60. The opening 907 is substantially elliptical and has a smaller size than the recess 905. The sidewall 601 defines a first edge 9072 of the opening 907 and a second edge 9074 opposite the first edge 9072. A second edge 9074 of the adjacent opening 907 of the inner surface of the sidewall 601 protrudes from a positioning post 609.

Referring to FIG. 4 , the button 70 includes a main body 701 , a positioning block 703 , a hook 705 , two contact blocks 707 , and a resilient arm 709 .

The body 701 is substantially elliptical in shape and slightly larger in size than the opening 907, and smaller than the size of the groove 905, so that the body 701 slides within the groove 905 and cannot pass through the opening 907. One of the outer surfaces 7011 of the main body 701 is provided with a plurality of ribs 7013 to increase the surface friction coefficient thereof for facilitating the operation of the button 70. The total thickness of the main body 701 and the rib 7013 is less than or equal to the depth of the groove 905, so that the rib 7013 is received in the groove 905, and the rib 7013 is recessed on the side wall 601 of the housing 60 or The side wall 601 of the housing 60 is flush. The positioning block 703 protrudes from an upper portion of the inner surface 7015 of the main body 701. The hook 705 protrudes from a lower portion of the inner surface 7015 of the main body 701 and is located at one side of the positioning block 703. The hook 705 includes a hook portion 7051, and the hook portion 7051 can be used The hook 705 is clamped on the side wall 601 of the housing 60. The hook 705 is supported by the first edge 9072 of the opening 907 of the housing 60 by the hook portion 7051, and the positioning block 703 abuts against the second edge 9074 of the opening 907 of the housing 60 to enable the button 70 to be The sliding latch is held on the side wall 601 of the housing 60. The two contact blocks 707 are protruded from the inner surface 7015 of the main body 701 with the hook 705 and the positioning block 703 as a reference. The elastic arm 709 is connected by the two arm portions 7091 and 7092 in the shape of an "S" to form a meandering structure. A through hole 7093 is formed in the joint of the two arm portions 7091 and 7092 of the elastic arm 709. The through hole 7093 is opened. The diameter of the positioning post 609 on the housing 60 is the same as the diameter of the positioning post 609. The elastic arm 709 can be sleeved on the positioning post 609 by the through hole 7093. One end of each arm is respectively connected to a contact block 707, and the other end is coupled to the side wall 601 by the through hole 7093 and the positioning post on the side wall 601 of the housing 60. One side of the resilient arm 709 is spaced from the inner surface 7015 of the body 701 by a distance (not shown) that is slightly greater than the thickness of the sidewall 601 of the housing 60 at the recess 905.

The two-touch switch 80 is received in the space 603 of the housing 60, and the two-touch switch 80 has a certain distance from the two contact blocks 707, respectively. Each of the touch switches 80 includes a switch body 801 and an inductive element 803. The switch body 801 is substantially rectangular parallelepiped and is electrically connected to a printed circuit board disposed in the housing 60. The sensing element 803 is electrically connected to one side of the switch body 801 for sensing the sliding direction of the button 70 to transmit the signal to the printed circuit board by the switch body 801.

When assembling, please refer to FIG. 5 and FIG. 6 together, firstly, the two-touch switch 80 is electrically connected to the printed circuit board disposed in the housing 60, so that the two touches are opened. The internal circuit of the off 80 is turned on corresponding to the corresponding circuit on the printed circuit board. Then, the two contact blocks 707 and the elastic arms 709 of the button 70 pass through the opening 907 of the casing 60, so that the portion of the side wall 601 of the casing 60 above the opening 907 is located between the main body 701 and the elastic arm 709. Then, the hook portion 7051 of the hook 705 is clamped to the first edge 9072 of the opening 907 of the sidewall 601, and a sidewall of the positioning block 703 is abutted against the first edge 9072 of the sidewall 601 opening 907. Two edges 9074. Finally, the elastic arm 709 is sleeved on the positioning post 609 by the through hole 7093, and the main body 701 is movably held by the housing 60 by the positioning block 703 and the hook 705 being circumferentially engaged with the opening 907 of the side wall 601. In the opening 907, the assembly process of the side key structure is completed.

In operation, when an external force is applied to slide the button 70 at the center of the groove 905 in the opening 907, the two contact blocks 707 slide in the next direction in the same direction, so that one of the contact blocks 707 contacts a touch switch 80. On the sensing component 803, the sensing component 803 transmits the sensed signal to the printed circuit board by the switch body 801. At this time, since the through hole 7093 of the elastic arm 709 is fixed to the housing 60 by the positioning post 609, and the two ends of the elastic arm 709 are connected to the two contact blocks 707, the elastic arm 709 occurs when the two contact blocks 707 slide. The elastic deformation causes a restoring force; when the urging force is removed, the two contact blocks 707 slide the main body 701 together to the center of the groove 905 under the restoring force of the elastic arm 709, that is, when there is no external force The initial position of the body 701. When the button 70 is located at the center of the groove 905, the principle of sliding in the other direction under the action of the external force is the same as the above, and therefore will not be described again.

The mobile phone with this kind of side key structure is in use, due to the press The key 70 is opened in such a manner as to slide along the surface parallel to the side wall 601 of the casing 60. Even when the button 70 is subjected to a force in the vertical direction, the button 70 cannot be opened, so that the button 70 is not mishandled. When there is a force in other directions, since the main body 701 of the button 70 and the rib 7013 of the surface thereof are recessed in the side wall 601 of the housing 60 or flush with the side wall 601 of the housing 60, the button 70 cannot be operated. Avoid misuse.

It can be understood that the positioning block 703, the hook 705, and the two contact blocks 707 of the button 70 can be integrally formed on the sidewall of the body 701. The elastic arm 709 can also be integrally formed with the two contact blocks 707.

It can be understood that the elastic arm 709 can include only one arm portion 7091. The two contact blocks 707 can also be omitted. The arm portion 7091 of the elastic arm 709 is connected to the hook 705 at one end and to the side wall of the housing 60 at the other end. 601.

It can be understood that the elastic arm 709 can also be replaced by other shapes of elastic elements, and is not limited to the "S" shape. The elastic arm 709 can be omitted. The button 70 can also be engaged in the matching slot 90 by the positioning block 703 and the hook 705 closely engaging the edge of the opening 907 of the housing 60.

It can be understood that the positioning post 609 can also be replaced by other positioning elements, and is not limited to the cylinder.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

(known)

101‧‧‧ Subject

103‧‧‧ side key

105‧‧‧ Groove

(this invention)

60‧‧‧shell

601‧‧‧ side wall

602‧‧‧End wall

603‧‧‧ Space

609‧‧‧Positioning column

70‧‧‧ button

701‧‧‧ Subject

7011‧‧‧ outer surface

7013‧‧‧ ribs

7015‧‧‧ inner surface

703‧‧‧ positioning block

705‧‧‧ hook

7051‧‧‧ hook

707‧‧‧Contact block

709‧‧‧Flexible arm

7091‧‧‧ Arms

7092‧‧‧arm

7093‧‧‧through hole

80‧‧‧Touch switch

801‧‧‧Switch body

803‧‧‧Inductive components

90‧‧‧ card slot

905‧‧‧ Groove

907‧‧‧ openings

9072‧‧‧ first edge

9074‧‧‧ second edge

1 is a perspective view of a conventional side key; FIG. 2 is an exploded perspective view showing a direction of a side key structure according to a preferred embodiment of the present invention; and FIG. 3 is an exploded perspective view showing another direction of a side key structure according to a preferred embodiment of the present invention; Figure 4 is a partial enlarged view of the IV of Figure 3 of the present invention; Figure 5 is an assembled view of the side key structure of the preferred embodiment of the present invention; Figure 6 is a partial enlarged view of the VI of Figure 5 of the present invention.

60‧‧‧shell

601‧‧‧ side wall

602‧‧‧End wall

603‧‧‧ Space

609‧‧‧Positioning column

70‧‧‧ button

80‧‧‧Touch switch

90‧‧‧ card slot

Claims (19)

A side key structure is applied to a portable electronic device having a housing, the housing includes a side wall, the side key structure includes: a button, the button includes a main body; a card matching slot, the card matching slot includes a And an elastic member; the card matching groove is formed on a side wall of the casing, and the button is clamped in the matching groove, and the improvement is that: the main body is provided with two contact blocks, and the side wall is adjacent a positioning component is protruded from the opening, the elastic component comprises two arms, a connection hole is formed in the connection between the two arms, and the positioning component is coupled with the through hole to connect the elastic component to the sidewall, each of One end of the arm is respectively connected to a contact block which is slidable in a direction parallel to the side wall surface of the housing and provides a restoring force by the two arms. The side key structure of claim 1, wherein the card matching groove comprises a groove, the body comprises an inner surface, and the body is received in the groove. The side key structure of claim 2, wherein the button further comprises a hook protruding from an inner surface of the body, the hook passing through the opening and being held in one of the openings The first edge. The side key structure of claim 3, wherein the button further comprises a positioning block protruding from the inner surface of the body, the positioning block passing through the opening and abutting the second edge of the opening The second edge is opposite the first edge. The side key structure of claim 2, wherein the body comprises an outer surface, and the outer surface of the body protrudes from a plurality of ribs, the rib The recess is recessed on the side wall of the housing or flush with the side wall of the housing. The side key structure of claim 3, wherein the elastic element is spaced apart from the body by a distance. The side key structure of claim 6, wherein the positioning element is a stud. The side key structure of claim 6, wherein the two arm portions of the elastic member are respectively in an "S" shape and are symmetrically disposed about the through hole. A portable electronic device includes: a button and a casing, the casing includes at least one side wall, and a card matching slot is defined in the side wall, the card matching slot includes an opening, and the button is locked in the opening The improvement is that the button comprises a main body, an elastic element and two contact blocks protruding from the main body, and the side wall protrudes from the opening to protrude with a positioning component, the elastic component comprises two arms, A through hole is defined in the connection between the two arms, and the positioning component is coupled with the through hole to connect the elastic component to the sidewall, and one end of each arm is respectively connected to a contact block, and the button can be along the sidewall of the housing The surface slides in a parallel direction and provides a restoring force by the two arms. The portable electronic device of claim 9, wherein the portable electronic device further comprises at least one touch switch, the touch switch being disposed in the housing and disposed adjacent to the button. The portable electronic device of claim 10, wherein the contact block touches the touch switch with the movement of the button. The portable electronic device of claim 10, wherein the touch switch comprises a switch body and an inductive element electrically connected to the switch body. The portable electronic device of claim 11, wherein the card matching groove comprises a groove, the body comprises an inner surface, and the body is received in the groove. The portable electronic device of claim 13, wherein the button further comprises a hook protruding from an inner surface of the body, the hook passing through the opening and being held by the opening A first edge. The portable electronic device of claim 14, wherein the button further comprises a positioning block protruding from the inner surface of the main body, the positioning block passing through the opening and abutting one of the openings An edge, the second edge being opposite the first edge. The portable electronic device of claim 15, wherein the main body comprises an outer surface, and the outer surface of the main body protrudes from a plurality of ribs, and the convex rib is recessed on a side wall of the housing or The side walls of the housing are flush. The portable electronic device of claim 16, wherein the elastic member is spaced apart from the main body by a distance. The portable electronic device of claim 17, wherein the positioning component is a protrusion. The portable electronic device of claim 18, wherein the two arm portions of the elastic member are respectively in an "S" shape and are symmetrically disposed about the through hole.