CN104696352B - Automatic latch device and electronic device thereof - Google Patents

Abstract

The invention relates to an automatic latching device and an electronic device thereof. The automatic latching device is applied to an electronic device. The electronic device includes a supporting element, a reversible component and an engaging unit. The reversible component is pivotally connected to the supporting element and the engaging unit. Set on the reversible component; the automatic latching device includes a sliding element, a first elastic element, at least one latching unit, a positioning bolt, a first magnetic element and a second magnetic element. When the sliding element slides from the latching position to the unlocking position, position, and when the reversible component is flipped to a predetermined angle, the second magnetic element and the first magnetic element are mutually exclusive and drive the positioning pin to pivot, and the sliding element returns to the latch position through the first elastic force and drives the latch unit. Pivot to engage the engaging unit.

Description

Automatic locking device and its electronic device

technical field

The invention relates to a locking device, in particular to an automatic locking device.

Background technique

Known consumer electronic devices such as mobile phones, tablet computers, and notebook computers are numerous in variety, and their functions are constantly being updated. Some of these consumer electronic devices have a reversible part, and more diverse functions are provided through the reversible part.

The reversible parts of known electronic devices are usually provided with a latch or similar latch structure for fixing the reversible parts in one of the reversible positions. Common latches usually use a push button structure or slide The rail engaging structure fixes the reversible component to the host or one of the reversible positions. Known latches or similar latch structures usually require two operations to move the latch or similar latch structures to a locked (lock) position and an unlocked (unlock) position. It is not convenient to use and operate.

Contents of the invention

Since the known electronic devices with reversible parts have the above-mentioned problem of inconvenient operation during operation, the present invention proposes an automatic latching device suitable for reversible parts of electronic devices. During the flipping process, the user only needs one operation to complete the unlocking and automatic locking operations of the flippable component, which has the advantage of convenient operation.

The present invention proposes an automatic locking device, which is applied to an electronic device. The electronic device includes a supporting element, a reversible component and an engaging unit, the reversible component is pivotally connected to the supporting element, and the engaging unit is arranged on the reversible component; The automatic locking device includes a sliding element, a first elastic element, at least one locking unit, a positioning bolt, a first magnetic element and a second magnetic element. The sliding element is slidably arranged on the supporting element and can slide to the latch position or the unlocking position; one end of the first elastic element abuts against the connecting sliding element, and the other end abuts against the supporting element to provide a first elastic force to the sliding element; the latch One end of the unit is pivotally connected to the support element, and the other end is connected to the sliding element. When the sliding element slides, it drives the latch unit to pivot. When the sliding element is at the latch position, the latch unit is engaged with the engaging unit. position, the latch unit is separated from the engaging unit; one end of the positioning bolt is pivotally connected to the support element, and the other end is connected to the sliding element; the first magnetic element is arranged on the positioning bolt; the second magnetic element is arranged on the reversible component and corresponds to the first For the magnetic element, when the sliding element slides from the locked position to the unlocked position, and when the reversible component turns over to a predetermined angle, the second magnetic element and the first magnetic element mutually repel each other and drive the positioning bolt to pivot, and the sliding element passes through the first magnetic element. An elastic force returns to the locking position, and drives the locking unit to pivot to engage the engaging unit.

In an embodiment of the present invention, when the sliding element slides from the locking position to the unlocking position, the first elastic element is compressed to provide the first elastic force to the sliding element.

In one embodiment of the present invention, the automatic locking device further includes a second elastic element, one end of the second elastic element is against the positioning pin, and the other end is against the support element, when the sliding element slides to the unlocking position, the second elastic element A second elastic force is provided to the positioning bolt, so that the sliding element is positioned at the unlocked position.

In an embodiment of the present invention, the first elastic element includes a push element and a sliding element is installed.

In one embodiment of the present invention, the sliding element includes at least one interlocking groove, and the latch unit includes a catch portion, which is coupled to the interlocking groove. When the sliding element slides to the unlocked position or the latched position, the latch unit is The locking part moves in the interlocking groove to pivot, so that the latch unit is disengaged or engaged with the engaging unit.

In an embodiment of the present invention, the sliding element includes at least one slot, the positioning pin includes a protrusion, and the protrusion is coupled to the slot.

In one embodiment of the present invention, the card slot includes an interference section and a sliding section. When the sliding element slides to the unlocking position, the protrusion is located in the interference section. When the reversible component is turned over to a predetermined angle, the second magnetic element Mutual repulsion with the first magnetic element drives the protruding part away from the interference section, and the sliding element returns to the locking position through the first elastic force, so that the protruding part is located in the sliding section.

In one embodiment of the present invention, the engaging unit includes a third magnetic element, the locking unit includes a fourth magnetic element, and the fourth magnetic element is arranged corresponding to the third magnetic element. When the reversible component is turned over to a predetermined angle, the second magnetic element The four magnetic elements and the third magnetic element mutually repel each other so that the engaging unit is engaged with the latch unit.

The present invention also proposes an electronic device, which includes a support element, a reversible component, an engaging unit, and an automatic locking device; the reversible component is pivotally connected to the supporting element, and the engaging unit is arranged on the reversible component; The device includes a sliding element, a first elastic element, at least one locking unit, a positioning bolt, a first magnetic element and a second magnetic element; the sliding element is slidably arranged on the supporting element and can slide to a locking position or an unlocking position, the first One end of an elastic element abuts against the connecting sliding element, and the other end abuts against the supporting element to provide the first elastic force to the sliding element. One end of the latch unit is pivotally connected to the supporting element, and the other end is connected to the sliding element. When the sliding element slides, it drives The latch unit pivots, when the sliding element is at the latch position, the latch unit engages with the engaging unit, when the sliding element is at the unlocking position, the latch unit disengages from the engaging unit, and one end of the positioning bolt is pivotally supported The other end is connected to the sliding element, the first magnetic element is set on the positioning bolt, the second magnetic element is set on the reversible part and corresponds to the first magnetic element, when the sliding element slides from the latch position to the unlock position, it can be turned over When the type part turns over to a predetermined angle, the second magnetic element and the first magnetic element mutually repel and drive the positioning bolt to pivot, and the sliding element returns to the latch position through the first elastic force, and drives the latch unit to pivot to engage the latch combined unit.

In an embodiment of the present invention, when the sliding element slides from the locking position to the unlocking position, the first elastic element is compressed to provide the first elastic force to the sliding element.

In one embodiment of the present invention, the automatic locking device further includes a second elastic element, one end of the second elastic element is against the positioning pin, and the other end is against the support element, when the sliding element slides to the unlocking position, the second elastic element A second elastic force is provided to the positioning bolt, so that the sliding element is positioned at the unlocked position.

In an embodiment of the present invention, the first elastic element includes a push element and a sliding element is installed.

In an embodiment of the present invention, the sliding element includes at least one interlocking groove, and the latch unit includes a locking part, and the engaging part is coupled to the interlocking groove. When the sliding element slides to the unlocking position or the locking position, the latching unit The locking part moves in the interlocking slot to pivot, so that the latch unit is disengaged or engaged with the engaging unit.

In an embodiment of the present invention, the sliding element includes at least one slot, the positioning pin includes a protrusion, and the protrusion is coupled to the slot.

In one embodiment of the present invention, the card slot includes an interference section and a sliding section. When the sliding element slides to the unlocking position, the protrusion is located in the interference section. When the reversible component is turned over to a predetermined angle, the second magnetic element Mutual repulsion with the first magnetic element drives the protruding part away from the interference section, and the sliding element returns to the locking position through the first elastic force, so that the protruding part is located in the sliding section.

In one embodiment of the present invention, the engaging unit includes a third magnetic element, the locking unit includes a fourth magnetic element, and the fourth magnetic element is arranged corresponding to the third magnetic element. When the reversible component is turned over to a predetermined angle, the second magnetic element The four magnetic elements and the third magnetic element mutually repel each other so that the engaging unit is engaged with the latch unit.

Through the embodiments of the present invention, it can be understood that the user only needs to move the sliding element once to move the automatic locking device to the unlocked position, thereby releasing the locking restriction on the reversible component, and then turning over and over After the sliding part reaches a predetermined angle, the automatic locking device can automatically move from the unlocking position to the locking position, and the operation mode of moving the sliding element once can achieve the functions of unlocking and locking again.

Description of drawings

FIG. 1 is a schematic diagram of the appearance of the electronic device of the present invention when it is covered;

Fig. 2 is a schematic diagram of the action of flipping the screen in Fig. 1;

FIG. 3 is a schematic diagram of the appearance of the screen of the present invention when it is turned on;

4 is an exploded schematic view of the screen of the present invention;

Fig. 5 is a schematic diagram of the assembled appearance of the screen of the present invention;

Fig. 6 is a schematic front view of the screen of the present invention;

7 is a schematic diagram of the automatic latching device of the present invention in the latching position;

Fig. 8 is a schematic diagram of the automatic locking device of the present invention moving to the unlocked position;

FIG. 9 is a schematic diagram of the automatic locking device of the present invention when the reversible component is turned over to a predetermined angle.

detailed description

Please refer to Figure 1, Figure 2, Figure 3 and Figure 4, Figure 1 is a schematic diagram of the appearance of the electronic device when it is closed, Figure 2 is a schematic diagram of the action of flipping the screen, Figure 3 is a schematic diagram of the appearance of the screen when it is turned on, and Figure 4 is the schematic diagram of the screen Breakdown diagram. The automatic locking device 300 is applied to the electronic device A, which may be a notebook computer. The electronic device A is mainly composed of the main body B, the supporting element 10 , the reversible component 20 , the engaging unit 71 and the automatic locking device 300 . The main body B can be a keyboard base, and the supporting element 10 is generally in a U-shaped structure, and the bottom of the supporting element 10 is covered with a shell 11 , and one side surface of the shell 11 has a perforation 12 (as shown in FIG. 4 ). The reversible component 20 can be the screen of the electronic device A or its housing. The reversible component 20 is rotatably pivoted to two sides of the supporting element 10 . The engaging unit 71 is disposed on the reversible component 20 .

The reversible component 20 can rotate to a predetermined angle (as shown in FIG. 2 ) relative to the supporting element 10, and the predetermined angle is about 170 to 179 degrees. When the reversible component 20 rotates 180 degrees relative to the supporting element 10, it can The reversible component 20 is completely engaged with the automatic locking device 300 . Taking the screen as an example, the visible image of the screen is facing the keyboard base in the original state, and the visible image is facing away from the keyboard base after being turned over, and it appears as a tablet computer when the screen covers the keyboard base.

Please refer to Fig. 4, Fig. 5, Fig. 7, Fig. 8 and Fig. 9, Fig. 5 is a schematic diagram of the combined appearance of the screen of the present invention, Fig. 7 is a schematic diagram of the automatic latching device in the latching position, and Fig. 8 is an automatic latching device A schematic diagram of moving to the unlocked position, FIG. 9 is a schematic diagram of the automatic locking device when the reversible component is turned to a predetermined angle. The automatic locking device 300 includes a sliding element 31 , a first elastic element 32 , at least one locking unit 41 , a positioning pin 51 , a first magnetic element 53 and a second magnetic element 61 .

The sliding element 31 can be a long sheet, and the sliding element 31 is slidably disposed on the supporting element 10 , and the sliding element 31 can slide to a lock position or an unlock position. Here, the sliding element 31 has at least one connecting groove 33 and one locking groove 34 . The interlocking slot 33 is generally in an L-shaped structure, and the long side of the slot hole of the interlocking slot 33 extends obliquely. Specifically, there is an included angle between the extending direction of the linkage groove 33 and the sliding direction of the sliding element 31 . The slot 34 is roughly L-shaped, and the long side and the short side of the slot hole of the slot 34 are substantially vertical. Moreover, the locking groove 34 includes an interference section 341 that can interfere with the sliding of the sliding element 31 and a sliding section 342 that does not interfere with the sliding of the sliding element 31 .

One end of the first elastic element 32 abuts against the connecting sliding element 31 , and the other end of the first elastic element 32 abuts against the supporting element 10 to provide a first elastic force to the sliding element 31 . The first elastic element 32 has a pushing element 310 installed on the sliding element 31 and exposed through the through hole 12 of the housing 11 of the supporting element 10 for the user to push the pushing element 310 . The first elastic element 32 can be a spring. When the sliding element 31 slides from the locking position to the unlocking position, the first elastic element 32 can be compressed to provide a first elastic force to the sliding element 31 .

One end of the locking unit 41 is pivotally connected to the supporting element 10 , and the other end of the locking unit 41 is connected to the sliding element 31 , and the sliding element 31 drives the locking unit 41 to pivot when sliding. When the sliding element 31 is at the locking position, the locking unit 41 is engaged with the engaging unit 71, and when the sliding element 31 slides from the locking position to the unlocking position, the locking unit 41 can be pivoted to disengage from the engaging position. Unit 71. In this embodiment, the supporting element 10 has a first pivot 101, and the latch unit 41 has a pivot hole 410, the latch unit 41 is rotatably pivoted to the first pivot 101 by using the pivot hole 410, and the latch The unit 41 can pivot around the first pivot 101 .

The locking unit 41 includes a protruding locking portion 411 , and the locking portion 411 can be coupled to the interlocking groove 33 of the sliding element 31 . When the sliding element 31 slides to the unlocking position or the latching position, the locking part 411 moves in the interlocking groove 33, and is limited by the shape of the interlocking groove 33 to make the latching unit 41 pivot, so that the latching unit 41 disengages or engages. fit to the engaging unit 71 .

One end of the positioning bolt 51 is pivotally connected to the supporting element 10 , and the other end of the positioning bolt 51 is connected to the sliding element 31 . Moreover, the positioning pin 51 has a protruding portion 511 , and the protruding portion 511 can be coupled to the engaging slot 34 of the sliding element 31 . In this embodiment, the supporting element 10 has a second pivot 102, the positioning bolt 51 has a shaft hole 510, the positioning bolt 51 is rotatably pivoted to the second pivot shaft 102 by using the shaft hole 510, and the positioning bolt 51 can be pivoted with the second pivot 102. The two pivots 102 pivot on the axis.

The first magnetic element 53 is disposed on the positioning pin 51 , and the second magnetic element 61 is disposed on the reversible component 20 and corresponds to the first magnetic element 53 . When the sliding element 31 slides to the unlocking position, the protrusion 511 is located in the interference section 341 . When the reversible component 20 is turned over to a predetermined angle, the second magnetic element 61 and the first magnetic element 53 mutually repel and drive the positioning pin 51 to pivot, so that the protrusion 511 is separated from the interference section 341 (as shown in FIG. 9 ). , the sliding element 31 is returned to the locking position by the first elastic force, so that the protruding portion 511 is located in the sliding section 342 .

When the sliding element 31 slides to the unlocking position, the sliding element 31 is kept at the unlocking position by the interference of the interference section 341 , and the locking unit 41 is disengaged from the engaging unit 71 , thereby releasing the restriction on the reversible component 20 . Thus, the user can turn over the reversible component 20 freely.

In addition, the sliding element 31 is pushed back from the unlocking position to the locking position by the first elastic force of the first elastic element 32, and at the same time, the interlocking locking unit 41 is engaged with the engaging unit 71, thereby restricting or reversing the reversible component 20 again. It is fixed on the automatic locking device 300 and presents a traditional notebook computer or a tablet computer.

In other words, the user can switch the automatic locking device 300 to an unlocked position by manually moving the sliding member 31 once, thereby releasing the restriction on the reversible component 20 . The user can freely turn over the reversible component 20 . When the reversible component 20 reaches a predetermined angle (about 170-179 degrees), the mutual repulsion of the magnetic force of the second magnetic element 61 and the magnetic force of the first magnetic element 53 drives the positioning bolt 51 to pivot, and the automatic locking device 300 Then the reversible component 20 can be engaged again automatically (180 degrees at this moment), thereby providing an automatic locking device 300 which is convenient to operate.

Please refer to FIG. 4 , FIG. 6 , FIG. 7 , FIG. 8 and FIG. 9 , and FIG. 6 is a schematic front view of the screen of the present invention. The automatic locking device 300 is further provided with a second elastic element 52 , one end of the second elastic element 52 abuts against the positioning pin 51 , and the other end of the second elastic element 52 abuts against the supporting element 10 . When the sliding element 31 slides to the unlocking position, the second elastic element 52 provides a second elastic force to the positioning bolt 51 to position the sliding element 31 at the unlocking position.

In this embodiment, the second elastic element 52 is a spring. The second elastic element 52 is in a compressed state when the sliding element 31 is in the locked position, so when the sliding element 31 slides to the unlocked position, the protrusion 511 of the positioning bolt 51 slides to interfere with the sliding section 342 of the locking groove 34 In the section 341 , the second elastic element 52 recovers from the compressed state to its original shape, so that the protruding portion 511 is maintained in the interference section 341 (as shown in FIG. 8 ).

In addition, the engaging unit 71 includes a third magnetic element 72 . The latch unit 41 includes a fourth magnetic element 42 , and the fourth magnetic element 42 is disposed corresponding to the third magnetic element 72 . When the reversible component 20 is turned over to a predetermined angle, the fourth magnetic element 42 and the third magnetic element 72 are mutually repelled so that the engaging unit 71 is engaged with the locking unit 41 . The engaging unit 71 can be a movable tenon, which is only an embodiment and is not limited thereto. The engaging unit 71 can also be realized with a groove structure, and the latch unit 41 is engaged by using the groove.

In addition, the reversible component 20 is provided with a second magnetic element 61 at two opposite sides symmetrical to the reversing axis. Furthermore, through the structure of the engaging unit 71 and the third magnetic element 72 , the reversible component 20 can be turned over to a predetermined angle to have an automatic locking effect.

In this embodiment, the first magnetic element 53 , the second magnetic element 61 , the third magnetic element 72 and the fourth magnetic element 42 can be magnets.

The present invention provides that the user only needs to move the sliding element once to move the automatic locking device to an unlocked position, thereby releasing the locking restriction on the reversible component, and then the reversible component can be turned to a predetermined angle. , the automatic latching device can automatically move from the unlocking position to the latching position, and the operation mode of moving the sliding element once can achieve the functions of unlocking and latching again.

Although the present invention has been disclosed above through the above-mentioned embodiments, it is not intended to limit the present invention. Any person familiar with similar skills may make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of patent protection shall be subject to what is defined in the claims.

Claims (16)

1. An automatic locking device, which is applied to an electronic device, and the electronic device includes a support element, a reversible component and a snap-in unit, the reversible component is pivotally connected to the support element, and the snap-in unit is set Regarding the reversible component, it is characterized in that the automatic locking device includes: a sliding element, slidably disposed on the supporting element and slidable to a latch position or an unlock position; a first elastic element, one end of which abuts against the sliding element, and the other end abuts against the support element, so as to provide a first elastic force to the sliding element; At least one latching unit, one end is pivotally connected to the support element, and the other end is connected to the sliding element, the sliding element drives the latching unit to pivot when sliding, when the sliding element is in the latching position , the locking unit is engaged with the engaging unit, and when the sliding element is at the unlocking position, the locking unit is disengaged from the engaging unit; A positioning bolt, one end is pivotally connected to the supporting element, and the other end is connected to the sliding element; The first magnetic element is arranged on the positioning bolt; and The second magnetic element is arranged on the reversible component and corresponds to the first magnetic element, when the sliding element slides from the latch position to the unlock position, and the reversible component is turned to At a predetermined angle, the second magnetic element and the first magnetic element mutually repel and drive the positioning bolt to pivot, and the sliding element returns to the latch position through the first elastic force, and drives the positioning bolt to pivot. The locking unit pivots to engage the engaging unit. 2. The automatic locking device according to claim 1, wherein when the sliding element slides from the locking position to the unlocking position, the first elastic element is compressed to move toward the A sliding element provides the first elastic force. 3. The automatic locking device according to claim 1, further comprising a second elastic element, one end of the second elastic element abuts against the positioning bolt, and the other end abuts against the support element, when When the sliding element slides to the unlocking position, the second elastic element provides a second elastic force to the positioning bolt, so that the sliding element is positioned at the unlocking position. 4. The automatic locking device according to claim 1, wherein the first elastic element comprises a push element, and the sliding element is installed. 5. The automatic locking device according to claim 1, wherein the sliding element comprises at least one interlocking groove, the latching unit comprises a locking part, and the locking part is coupled to the interlocking groove , when the sliding element slides to the unlocking position or the latching position, the locking part moves in the interlocking groove to pivot the latching unit, so that the latching unit disengages or engaged with the engaging unit. 6 . The automatic locking device according to claim 1 , wherein the sliding element includes at least one slot, the positioning pin includes a protrusion, and the protrusion is coupled to the slot. 7 . 7. The automatic locking device according to claim 6, wherein the locking groove comprises an interference section and a sliding section, and when the sliding element slides to the unlocking position, the protrusion is located at the position In the interference section, when the reversible component is turned over to the predetermined angle, the second magnetic element and the first magnetic element are mutually repelled to drive the protrusion out of the interference section, the The sliding element returns to the locking position through the first elastic force, so that the protrusion is located in the sliding section. 8. The automatic locking device according to claim 1, wherein the engaging unit comprises a third magnetic element, the locking unit comprises a fourth magnetic element, and the fourth magnetic element corresponds to the The third magnetic element is set, and when the reversible component is turned over to the predetermined angle, the fourth magnetic element and the third magnetic element mutually repel each other, so that the engaging unit and the latching unit engage combine. 9. An electronic device, characterized in that it comprises: support elements; a reversible component pivotally connected to the supporting element; an engaging unit arranged on the reversible component; and Automatic latching device, including: a sliding element, slidably disposed on the supporting element and slidable to a latch position or an unlock position; a first elastic element, one end resists and connects to the sliding element, and the other end resists the supporting element, so as to provide a first elastic force to the sliding element; At least one latching unit, one end is pivotally connected to the support element, and the other end is connected to the sliding element, the sliding element drives the latching unit to pivot when sliding, when the sliding element is in the latching position , the locking unit is engaged with the engaging unit, and when the sliding element is at the unlocking position, the locking unit is disengaged from the engaging unit; A positioning bolt, one end is pivotally connected to the supporting element, and the other end is connected to the sliding element; The first magnetic element is arranged on the positioning bolt; and The second magnetic element is arranged on the reversible component and corresponds to the first magnetic element, when the sliding element slides from the latch position to the unlock position, and the reversible component is turned to At a predetermined angle, the second magnetic element and the first magnetic element mutually repel and drive the positioning bolt to pivot, and the sliding element returns to the latch position through the first elastic force, and drives the positioning bolt to pivot. The locking unit pivots to engage the engaging unit. 10. The electronic device according to claim 9, wherein when the sliding element slides from the latch position to the unlocking position, the first elastic element is compressed to move towards the sliding element The first elastic force is provided. 11. The electronic device according to claim 9, wherein the automatic locking device further comprises a second elastic element, one end of the second elastic element is against the positioning pin, and the other end is against the positioning pin. The supporting element, when the sliding element slides to the unlocking position, the second elastic element provides a second elastic force to the positioning bolt, so that the sliding element is positioned at the unlocking position. 12 . The electronic device according to claim 9 , wherein the first elastic element comprises a push element, and the sliding element is installed thereon. 13 . 13. The electronic device according to claim 9, wherein the sliding element includes at least one interlocking slot, the latch unit includes a latching portion, and the latching portion is coupled to the interlocking slot, when When the sliding element slides to the unlocking position or the locking position, the locking part moves in the interlocking groove to pivot the locking unit, so that the locking unit disengages or engages on the snap-in unit. 14 . The electronic device according to claim 9 , wherein the sliding element includes at least one slot, the positioning pin includes a protrusion, and the protrusion is coupled to the slot. 15. The electronic device according to claim 14, wherein the card slot comprises an interference section and a sliding section, and when the sliding element slides to the unlocking position, the protrusion is located in the interference section. section, when the reversible component is turned over to the predetermined angle, the second magnetic element and the first magnetic element are mutually repelled to drive the protrusion out of the interference section, and the sliding element The protruding part is located in the sliding section by returning to the locking position through the first elastic force. 16. The electronic device according to claim 9, wherein the engaging unit comprises a third magnetic element, the locking unit comprises a fourth magnetic element, and the fourth magnetic element corresponds to the third magnetic element. The magnetic element is arranged, and when the reversible component is turned over to the predetermined angle, the fourth magnetic element and the third magnetic element are mutually repelled so that the engaging unit is engaged with the latch unit.