TW201411674A - Coordinate input device - Google Patents

Abstract

A coordinate input device comprises a first housing, a second housing, a PCB sandwiched between the first housing and the second housing, a pair of detectors, a movable member and a resilient member. A first cavity is formed between the PCB and the first housing and a second cavity is formed between the PCB and the second housing. The second housing defines an opening facing outwardly. The first housing has a post extending therefrom toward the PCB. The resilient member is annular and defines an inner edge contacting with the post and an outer edge. The PCB defines a through hole. The movable member comprises a movable portion, a drive portion and an operating portion. The movable portion encloses the resilient member and contact with the outer edge of the resilient member. The drive portion penetrates through holes of the pair of detectors. The detectors are slidable along with moving of the drive portion.

Description

Multi-directional input device

The invention provides a multi-directional switch device, in particular to a coordinate detection multi-directional switch device.

The prior art related to the present invention is referred to Japanese Patent No. 3,814,280. This patent document discloses a multi-directional switch device capable of automatically resetting an operating body after a sliding operation, which is provided with a partition wall in the frame to be partitioned into a first hollow portion and a second hollow portion, which will be used for The loop spring that automatically resets the operating body is assembled in the first hollow portion, and the detecting mechanism including the pair of sliders slidable in mutually orthogonal directions is assembled in the second hollow portion. The operating body is provided with a large diameter portion disposed in the first hollow portion, a protruding portion protruding from the outer opening, and a driving portion extending into the second hollow portion to drive the slider, and the large diameter portion is pushed in and slid during the sliding operation The direction of the loop coil spring is elastically deformed, and when the operation is stopped, the coil spring will automatically reset the operating body. The coil spring is positioned by the opposite wall portion of the first hollow portion and the top wall, but this positioning method results in a complicated structure of the upper shell and the lower shell forming the first hollow portion.

In view of this, it is indeed necessary to provide an improved multi-directional switching device that overcomes the deficiencies of the prior art.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-directional switch device that is simple in construction and that can effectively position an elastic return member.

In order to solve the foregoing technical problems, the present invention provides a multi-directional switch device including a first housing, a second housing, a circuit board sandwiched between the first housing and the second housing, and a pair of vertically stacked slides a component, an operating body that drives the sliding component to slide on the circuit board, and an elastic returning member that restores the operating body to an initial state, a first receiving cavity is formed between the first housing and the circuit board, and a second housing and the circuit board are formed. The second housing is provided with an external opening, the first housing has a protruding post extending toward the circuit board, the elastic returning member is annular and has an inner periphery and an outer periphery, and the inner periphery is in contact with the protruding post The circuit board is provided with a communication opening, and the operating body has a movable portion located in the first accommodating cavity, a driving portion extending through the communication opening and extending to the second accommodating cavity, and an operating portion exposed to the outside through the external opening, the movable portion The elastic returning member is housed and is in contact with the outer periphery of the elastic returning member, and the sliding member has a penetrating portion that is bored by the driving portion, and slides in a direction perpendicular to each other as the driving portion moves.

Compared with the prior art, the elastic returning member is annular in shape and has an inner periphery and an outer periphery. The inner periphery is in contact with the protruding post, and the movable portion of the operating body receives the elastic returning member and is in contact with the outer periphery of the elastic returning member. The elastic reset member can be effectively positioned, and the positioning structure is simple.

Referring to the first to third figures, the multi-directional switch device 100 of the present invention includes a first housing 2, a second housing 3, and a circuit board 4 sandwiched between the first housing 2 and the second housing 3. A pair of vertically stacked sliding members 5, an operating body 6 that drives the sliding member 5 to slide on the circuit board 4, and an elastic returning member 7 that restores the operating body 6 to an initial state.

Referring to FIG. 6 , a first accommodating cavity 8 is formed between the first housing 2 and the circuit board 4 , and a second accommodating cavity 9 is formed between the second housing 3 and the circuit board 4 . In the three-figure, the second housing 3 is provided with an external opening 31 at an intermediate position. The first housing 2 has a stud 21 extending toward the circuit board 4. Referring to the fourth and fifth figures, the elastic reset member 7 The inner ring 71 has an inner periphery 71 and an outer periphery 72. The inner periphery 71 is in contact with the stud 21, and the circuit board 4 is provided with a communication opening 41. The operating body 6 has a movable portion 61 located in the first accommodating cavity 8 and communicates therethrough. The opening portion 41 extends to the driving portion 62 of the second accommodating cavity 9 and the operating portion 63 exposed to the outside through the external opening 31, and the movable portion 61 receives the elastic returning member 7 and is in contact with the outer periphery 72 of the elastic returning member 7, The sliding member 5 has a penetrating portion 52 through which the driving portion 62 is inserted, and slides in a direction perpendicular to each other as the driving portion 62 moves.

Referring to the second and sixth figures, the first housing 2 has a bottom wall 22 and a first side wall 23 extending from the edge of the bottom wall 22 toward the circuit board 4, and the protrusion 21 protrudes from the middle position of the bottom wall 22. Formed, the inner periphery 71 of the elastic return member 7 is fixed to the boss 21 of the first casing 2. The elastic returning member 7 is formed by winding a metal sheet. In the present embodiment, the elastic returning member 7 has an annular shape. Accordingly, the movable portion 61 of the operating body 6 has a cylindrical shape to be external to the elastic returning member 7. The perimeter 72 is matched.

Referring to the third and sixth figures, the movable portion 61 of the operating body 6 includes an extending portion 611 perpendicular to the driving portion 62 and a flange 612 extending from the edge of the extending portion 611, the flange 612 and the elastic return member 7 The outer perimeter 72 cooperates. The driving portion 62 of the operating body 6 is supported by the boss 21 of the first housing 2.

A step portion 621 is protruded laterally from the driving portion 62 of the operating body 6. The sliding member 5 includes a pair of sliders 51 that are bored in the driving portion 62 of the operating body 6, and are fixed to the slider 51 and extend in the direction of the circuit board 4. Pin 42, which is in sliding contact with the circuit board 4. The slider 51 includes a first slider 511 and a second slider 512 which are vertically stacked. The first slider 511 is supported on the step portion 621 of the driving portion 62, and the second slider 512 is vertically stacked on the first portion. On the slider 511.

Referring to the second, third and sixth figures, the multi-directional switch device 100 further includes a brake member 55 located in the second accommodating cavity 9 and pressed against the second housing 3, the brake member 55 being abutted against the first slide Block 511. The two ends of the brake member 55 have abutting portion 551 extending toward the first slider 511. The first slider 511 is provided with a rib 5111 that cooperates with the abutting portion 551, and the second slider 512 is located at the first slider. Between the 511 and the brake member 55, the sliding member 5 is restrained in a direction perpendicular to the circuit board 4.

Referring to the first to third embodiments, the multi-directional switch device 100 of the present embodiment further includes a dust cover 10 that is sleeved on the operating body. The dust cover 10 is placed on the second housing 3. When the operating body 6 is slidably operated, The dust cover 10 is moved together to prevent dust from entering from the external opening 31.

When the operation body 6 is slidably operated, the flange 612 of the movable portion 61 presses the elastic returning member 7 to be elastically deformed, and the driving portion 62 drives the slider 51 to move therewith. When the sliding operation is stopped, the movable portion 61 returns to the initial position under the elastic action of the elastic returning member 7 against the flange 612.

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.

10. . . Dust cover

100. . . Multi-directional switch device

2. . . First housing

twenty one. . . Tab

twenty two. . . Bottom wall

twenty three. . . First side wall

3. . . Second housing

31. . . External opening

4. . . Circuit board

41. . . Connecting opening

42. . . Pin

5. . . Sliding part

51. . . Slider

511. . . First slider

5111. . . Rib

512. . . Second slider

52. . . Penetration

55. . . Brake

551. . . Responsible department

6. . . Operating body

61. . . Movable part

611. . . Extension

612. . . Flange

62. . . Drive department

621. . . Step

63. . . Operation department

7. . . Elastic reset

71. . . Inner periphery

72. . . Outer periphery

8. . . First accommodating cavity

9. . . Second accommodating cavity

10. . . Dust cover

100. . . Multi-directional switch device

2. . . First housing

twenty one. . . Tab

twenty two. . . Bottom wall

twenty three. . . First side wall

The first figure is a perspective view of the multidirectional switch device of the present invention;

The second figure is an exploded perspective view of the multidirectional switch device of the present invention;

The third figure is an exploded perspective view of another perspective of the multidirectional switch device of the present invention;

Figure 4 is a perspective view of the elastic return member of the multidirectional switch device of the present invention;

FIG. 5 is a perspective view showing the elastic returning member of the multidirectional switch device of the present invention installed in the first housing; and

Figure 6 is a cross-sectional view of the multidirectional switch device of the present invention taken along line VI-VI of the first figure.

100. . . Multi-directional switch device

2. . . First housing

twenty one. . . Tab

3. . . Second housing

4. . . Circuit board

5111. . . Rib

551. . . Responsible department

6. . . Operating body

612. . . Flange

62. . . Drive department

621. . . Step

63. . . Operation department

72. . . Outer periphery

8. . . First accommodating cavity

9. . . Second accommodating cavity

Claims (10)

A multi-directional switch device comprising:
First housing
a second housing having an external opening;
a circuit board is sandwiched between the first housing and the second housing, a first receiving cavity is formed between the circuit board and the first housing, and a second receiving cavity is formed between the circuit board and the second housing;
a pair of vertically stacked sliding members;
An operating body that drives the sliding member to slide on the circuit board; and an elastic return member to restore the operating body to an initial state;
The first housing has a protruding post extending toward the circuit board. The elastic returning member has an annular shape and has an inner periphery and an outer periphery. The inner periphery is in contact with the protruding post, the circuit board is provided with a communication opening, and the operating body has the first capacity. a movable portion of the cavity, a driving portion extending through the communication opening and extending to the second receiving cavity, and an operating portion exposed to the outside through the external opening, the movable portion receiving the elastic returning member and contacting the outer periphery of the elastic returning member, The sliding member has a penetrating portion that is bored by the driving portion, and slides in a direction perpendicular to each other as the driving portion moves. The multi-directional switch device of claim 1, wherein the inner periphery of the elastic return member is fixed to the boss of the first housing. The multidirectional switch device according to claim 1, wherein the elastic return member is wound from a metal sheet. The multidirectional switch device according to claim 1, wherein the elastic return member has an annular shape, and the movable portion of the operating body has a cylindrical shape. The multi-directional switch device according to claim 1, wherein the movable portion of the operating body includes an extending portion perpendicular to the driving portion and a flange extending from an edge of the extending portion, the flange and the elastic reset member The surrounding is compatible. The multidirectional switch device according to claim 5, wherein the driving portion of the operating body is supported by the boss of the first housing. The multi-directional switch device according to claim 1, wherein the driving portion of the operating body has a stepped portion, and each of the sliding members includes a slider supported on the step portion and is fixed to the slider and extends in the direction of the circuit board. The pin is in sliding contact with the board. The multi-directional switch device of claim 7, further comprising a brake member located in the second receiving cavity and pressing against the second housing, the brake member being abutted against one of the sliders. The multi-directional switch device of claim 8, wherein the two ends of the brake member have a resisting portion extending toward the corresponding slider, and the slider is provided with a rib that cooperates with the resisting portion. The multi-directional switch device according to any one of claims 1 to 9, further comprising a dust cover sleeved on the operating body, the dust cover being disposed on the second casing.