TWM609259U - Touchpad stable and balanced pressing device - Google Patents

Abstract

A touchpad stable and balanced pressing device includes a base, an upper board unit, a balance unit and a linkage unit. The upper board unit is arranged above the base and includes a panel, a circuit board and a touch switch. The balance The unit includes a plurality of buckles installed on the upper plate unit or the interlocking unit, each of the snaps has a positioning portion, and the interlocking unit is arranged between the base and the upper plate unit. When the upper plate unit is pressed, it passes through The linkage of the linkage unit can cause the tact switch to assume an untriggered original state, and transform into a trigger state of the tact switch. When the tact switch is in the triggered state, at least part of the buckling positioning portion abuts against One top covers the bottom, and achieves stable touch and balanced pressing.

Description

Touchpad stable and balanced pressing device

The present invention relates to an electronic product, in particular to a touch panel stabilized and balanced pressing device used as an input interface of the electronic product.

The input interface of the existing notebook computer is generally equipped with a keyboard and a touch pad (Touch Pad or Track Pad). The touch pad is provided with a touch area that can generate the cursor movement function, and is also equipped with a replacement for the left mouse button. Several touch modules used for key, right and middle keys.

There is a touch panel (Patent No. I659344 of TW Certificate No.), which includes a bottom plate, a circuit board, and a touch substrate stacked in the Z-axis direction. The bottom plate includes a first side and most of them are disposed on the first side. The first hook seat on one side, the second hook seats on the inner side of most of the first hook seats, and a trigger part arranged on the bottom surface of the opposite side of the first side. The circuit board includes a socket embedded in the bottom plate and an elastic switch corresponding to the trigger part. The socket includes a plurality of elastic hooks that are embedded with the first hook sockets, and a majority of the first hook sockets. The limit hooks where the two hook seats are embedded in each other.

When the operator presses the side of the circuit board with the elastic switch, the circuit board can swing relative to the base plate with the position of the limit hook as the axis, so that the elastic switch is contacted by the trigger part of the base plate to produce a corresponding The signal.

Although this touchpad can achieve the intended purpose, when the operator presses on the side where the socket is provided, or the trigger state is too close to the socket, the circuit board cannot be hooked by the limit. The position is that the shaft rotates relative to the base plate, and the triggering purpose cannot be achieved. Therefore, the triggering state is greatly restricted.

Therefore, the purpose of the present invention is to provide a touch panel stable and balanced pressing device that can solve the existing problems.

Therefore, the touch panel stable balance pressing device of the present invention is installed and positioned relative to an upper cover, and includes a base, an upper plate unit, a balance unit, and a linkage unit. The upper plate unit is disposed above the base and includes A panel, a circuit board arranged at the bottom of the panel, and a tact switch arranged at the bottom of the circuit board, the balance unit includes a plurality of buckles installed on one of the upper board unit and the linkage unit, the cards The buckles each have a positioning portion protruding from the upper plate unit and the linkage unit. The linkage unit is arranged between the base and the upper plate unit. When the upper plate unit is pressed, the linkage unit can enable The tact switch is in an untriggered original state, and is transformed into a trigger state of the tact switch. When the tact switch is in the triggered state, at least a part of the buckling positioning portion abuts against the bottom of the upper cover.

The effect of the present invention is that the linkage unit is arranged between the base and the upper plate unit, when the top surface of the upper plate unit is pressed, the tactile switch can be in the original state without being triggered, and the tactile switch is transformed into the tactile switch. When the tact switch is in the triggered state, at least part of the buckle positioning portion abuts against the bottom of the upper cover, which can achieve the purpose of stable touch and balanced pressing.

1 to 4, an embodiment of the new touchpad stable and balanced pressing device is installed and positioned relative to an upper cover 1 (with reference to FIGS. 6 and 7), and includes a base 10 and an upper plate unit 20 , A frame member 30, a balance unit 40, a linkage unit 50 and a plurality of screws 60.

The base 10 includes a top surface 11, a bottom surface 12 opposite to the top surface 11, and most of the through holes 13 communicated from the bottom surface 12 toward the top surface 11.

The upper board unit 20 is disposed above the base 10 and includes a panel 21, a circuit board 22 disposed at the bottom of the panel 21, and a tact switch 23 disposed at the center of the bottom of the circuit board 22.

The frame member 30 is connected to the bottom of the circuit board 22 and is in the shape of a hollow ring frame. The frame member 30 has an inner ring 31, an outer ring 32 surrounding the inner ring 31, and most of the The grooves 33 recessed in the outer ring 32, each of the grooves 33 has a wide portion 331 between the inner ring 31 and the outer ring 32, and a width smaller than the wide portion 331 and formed by the wide portion 331 is connected to the narrow part 332 of the outer ring 32.

The balance unit 40 includes a plurality of buckles 41 respectively installed in the grooves 33, and each of the buckles 41 has a locking portion 411 limited to the corresponding wide portion 331, and a locking portion connected to the locking portion 411. 411 and pass through the positioning portion 412 of the corresponding narrow portion 332, and a hook portion 413 connected to the locking portions 411, each positioning portion 412 protrudes from the upper plate unit 20 and the linkage unit 30, The hook parts 413 penetrate through the corresponding wide part 331.

The linkage unit 50 of this embodiment is made of a thin metal plate and is integrally formed. The linkage unit 50 is disposed between the base 10 and the frame member 30 (or the upper plate unit 20), and includes a switch corresponding to the tactile switch. The middle portion 51 of 23, a ring frame member 52 fixed to the frame member 30 and fixed relative to the circuit board 22, and most of the connecting plate members 53 connected between the middle portion 51 and the ring frame member 52 . The ring frame member 52 is in the shape of a rectangular hollow ring frame, and has an inner peripheral surface 522 that defines an inner hole 521, and four corner portions 523. The inner hole 521 communicates with the wide portion 331, and each wide portion 331 communicates with each other. A buckle hole 70 is defined between the portion 331 and the inner peripheral surface 522, and the hook portions 513 pass through the corresponding buckle hole 70 and are locked at the bottom of the lining member 52. The connecting plates 53 are in the shape of long plates and are respectively connected between the middle portion 51 and the corner portions 521. Each connecting board 53 has a main board portion 531, a long groove 532 disposed on the main board portion 531, and a supporting portion 533 integrally formed with the main board portion 531 and formed in an L shape. The main board portion 531 has a The bottom side surface 534 of the top surface 11, the support portion 533 protrudes from the bottom side surface 534 and corresponds to the long groove 532, and each support portion 533 has a lock hole 535 corresponding to the corresponding through hole 13.

The screws 60 are respectively penetrated through the through holes 13 and screwed to the key holes 535. The supporting portions 533 of the linkage unit 50 are respectively locked to the bases 10 by the screws 60.

In order to further understand the effects of the cooperation of the various elements of the present invention, the technical means used, and the expected effects, the following will be explained again, and it is believed that this will provide a more in-depth and specific understanding of the present invention.

As shown in FIGS. 5 to 7, when the entire assembly is completed, the positioning portions 412 of the buckles 41 of the balance unit 40 respectively abut against the bottom surface of the upper cover 1, and on the bottom side of the main board portion 531 A movement gap is formed between 534 and the top surface 11 for the upper plate unit 20 to descend toward the base 10. The tact switch 23 is not pressed, deformed, and is located above the middle portion 51, and the upper plate unit 20 is located A raised position, at this time, the tact switch 23 remains in the original state, and the tact switch 23 has not been triggered by the intermediate portion 51, so no signal is generated. At this time, the connecting plate 53 is used to connect between the middle portion 51 and the corner portions 521 of the ring frame 52, and the middle portion 51 is connected to the ring frame 52 and the connecting plate 53 Can be linked to each other. In addition, the supporting parts 533 are used to lock the top surface 11 and produce the function of a fulcrum.

After the assembly is completed, the buckles 41 of the balance unit 40 use the hook portions 513 to pass through the corresponding buckle holes 70 and are locked at the bottom of the frame member 52, so that the locking portions 411 are limited to the wide area. In the portion 331, the buckles 41 can be positioned relative to the lining frame member 30 and the ring frame member 52, and will not easily detach.

As shown in Figures 5, 8 and 9, if the upper plate unit 20 is pressed forcibly, the tact switch 23 and the ring frame member 52 will move downward, and at least one of the connecting plate members can be linked through the ring frame member 52. 53. The supporting portion 533 of the connecting plate 53 can be used as a fulcrum, and the connecting plate 53 can be flexibly deformed relative to the base 10. The intermediate portion 51 generates an upward reaction force to drive the tact switch 23 from being An original state of triggering is transformed into a triggering state that causes the touch switch 23 to be triggered, so that the touch switch 23 generates a signal. If one side of the upper plate unit 20 is pressed with force, a gap will be formed between the positioning portion 412 of the buckle 41 adjacent to the force application portion and the bottom surface of the upper cover 1, but the positioning portions 412 at other positions remain By abutting against the bottom surface of the upper cover 1, the degree of deformation of the ring frame member 52 can be limited to a certain extent, and the purpose of stable touch and balanced pressing can be achieved.

When the pressing force applied to the upper plate unit 20 is released, the connection plate 53 can automatically spring back to its original shape with respect to the base 10 by using the resilient force contained in the connecting plate 53.

Therefore, even if the position of the force applying force to the upper plate unit 20 is different, the linkage unit 50 is used to be arranged between the base 10 and the upper plate unit 20, and the linkage unit 50 uses the connecting plates The function of the member 53 connecting the middle portion 51 and the corner portions 521 of the ring frame member 52 enables the ring frame member 52 to link at least one connecting plate member 53 with the support portion 533 as a fulcrum, and the The connecting plate 53 is flexibly deformed relative to the base 10, and utilizes the reaction force of the middle portion 51 to provide the tactile switch 23 to be elastically deformed and to achieve the purpose of accurately triggering the signal. Moreover, even if the point of force applied to the upper plate unit 20 is biased to one side or one of the corner portions 521 by using the arrangement of the balance unit 40, most of the positioning portions 412 of the buckles 41 of the balance unit 40 are used. Respectively abutting against the bottom surface of the upper cover 1 can still limit the degree of deformation of the ring frame member 52 to a certain extent, and can achieve the purpose of stable touch and balanced pressing.

In summary, the stable and balanced pressing device of the new type touch panel has simple overall structure and easy operation, and can indeed achieve the purpose of new cost.

However, the above are only examples of the present model. When the scope of implementation of the present model cannot be limited by this, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.

1: cover up 10: Base 11: Top surface 12: Bottom 13: Piercing 20: Upper board unit 21: Panel 22: circuit board 23: Touch switch 30: Lining frame parts 31: inner ring 32: outer ring 33: card slot 331: wide part 332: narrow part 40: balance unit 41: buckle 411: Stuck part 412: Positioning Department 413: Hook 50: Linkage unit 51: middle part 52: Ring and Frame Parts 521: corner 53: connecting plate 531: Main Board Department 532: long slot 533: Support 534: bottom side 535: keyhole 60: Screw 70: buttonhole

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: FIG. 1 is a three-dimensional exploded view of an embodiment of a stable and balanced pressing device for a touch panel according to the present invention; Figure 2 is a three-dimensional assembly view of the embodiment; Fig. 3 is a partial enlarged schematic diagram of Fig. 2; Figure 4 is a bottom perspective schematic view of the embodiment; Figure 5 is a top view combined view of the embodiment; Figure 6 is a cross-sectional view along the line VI-VI in Figure 5; Fig. 7 is a partial enlarged schematic view of Fig. 6; FIG. 8 is a schematic diagram of a trigger operation of this embodiment, illustrating that the tactile switch is triggered and is in a trigger state; and Fig. 9 is a partial enlarged schematic view of Fig. 8.

10: Base

11: Top surface

12: Bottom

13: Piercing

20: Upper board unit

21: Panel

22: circuit board

23: Touch switch

30: Lining frame parts

31: inner ring

32: outer ring

33: card slot

331: wide part

332: narrow part

40: balance unit

41: buckle

50: Linkage unit

51: middle part

52: Ring and Frame Parts

521: corner

53: connecting plate

531: Main Board Department

532: long slot

533: Support

534: bottom side

535: keyhole

60: Screw

Claims (9)

A touchpad stable and balanced pressing device, which is installed and positioned relative to an upper cover, and includes: A base An upper board unit arranged above the base, including a panel, a circuit board arranged at the bottom of the panel, and a tact switch arranged at the bottom of the circuit board; A balance unit, including a plurality of buckles installed on one of the upper board unit and the linkage unit, each of the buckles has a positioning portion protruding from the upper board unit and the linkage unit; and A linkage unit is arranged between the base and the upper plate unit. When the upper plate unit is pressed, through the linkage of the linkage unit, the tactile switch can be in an untriggered original state, and the tactile switch is transformed into the tactile switch When the tact switch is in the triggered state, at least part of the buckle positioning portion abuts against the bottom of the upper cover. The touch panel stable and balanced pressing device according to claim 1, wherein the linkage unit includes a middle portion corresponding to the tact switch, a ring frame member fixed with respect to the bottom of the circuit board, and most of them are connected to the The connecting plate between the middle part and the ring frame part, pressing the upper plate unit can link at least one connecting plate, and link the reaction force of the middle part to drive the tact switch from the untriggered original state to the The trigger state of the tact switch being triggered. The touch panel stable and balanced pressing device according to claim 2, wherein each connecting plate of the linkage unit has a bottom side opposite to the base, and a protruding from the bottom side and fixed to the base The supporting part, pressing the upper plate unit can make the supporting part of at least one connecting plate serve as a fulcrum, and cause the connecting plate to be flexibly deformed relative to the base. The reaction force of the middle part drives the tact switch from being untriggered The original state is transformed into a trigger state that causes the tact switch to be triggered. The touch panel stable and balanced pressing device according to claim 3, further comprising a frame member arranged between the linkage unit and the circuit board and in the shape of a hollow ring frame, the frame member having an inner ring, An outer rim surrounding the inner rim, and most of the grooves recessed from the outer rim, each groove has a wide portion between the inner rim and the outer rim, and a The width is smaller than the wide part and is connected to the narrow part of the outer ring from the wide part. The buckles of the balance unit are respectively installed in the grooves, and the buckles also have a limit corresponding to the The locking parts in the wide part of the, the positioning parts are respectively connected to the locking parts, and pass through the corresponding narrow parts. The touch panel stable and balanced pressing device according to claim 4, wherein the ring frame member of the linkage unit has an inner peripheral surface that defines an inner hole, the wide portion communicates with the inner hole, and each wide A buckle hole is defined between the inner surface and the inner peripheral surface. The buckles of the balance unit also each have a hook portion connected to the locking portions, and the hook portions of the buckles pass through the corresponding The buckle hole is locked at the bottom of the lining frame member. The touch panel stable and balanced pressing device according to claim 5, wherein the linkage unit is made of a thin metal plate and is integrally formed, the ring frame member is in the shape of a rectangular hollow ring frame, and the ring frame member has four corners, The connecting plates are in the shape of long plates and are respectively connected between the middle part and the corner parts. The touch panel stable and balanced pressing device according to claim 3, wherein each connecting plate of the linkage unit further has a main board part, and a long slot provided on the main board part, the support part and the main board part It is integrally formed and has an L shape, and the supporting portion corresponds to the long groove. The touch panel stable and balanced pressing device according to claim 7 further includes a plurality of screws, and the supporting parts of the linkage unit are respectively locked to the bases by the screws. The touch panel stable and balanced pressing device according to claim 8, wherein the base further includes a top surface, a bottom surface opposite to the top surface, and a plurality of perforations penetrating from the bottom surface to the top surface, the linkage Each support part of the unit has a key hole, and the screws are respectively penetrated through the through holes and screwed in the key holes.

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