CN201886944U

CN201886944U - Polydirectional switching device

Info

Publication number: CN201886944U
Application number: CN201020617368XU
Authority: CN
Inventors: 中濑雄章; 刘卫平; 孙亮; 齐义国
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-11-22
Filing date: 2010-11-22
Publication date: 2011-06-29
Anticipated expiration: 2020-11-22

Abstract

The utility model relates to a polydirectional switching device comprising a frame body, a printed circuit board contained at the bottom of the frame body, a detection device arranged on and slidingly contacting the printed circuit board, an operation body driving the detection device to slide on the printed circuit board, an elastic body which is arranged around the operation body and capable of restoring the initial state of the operation body, and a keycap which is fixedly held on the operation body in an inlaying manner, wherein the keycap is integrally extended with a rocker towards the direction of the operation body, and the rocker is fixedly held on the operation body in the frame body in an inlaying manner. The service life of the polydirectional switching device can be effectively prolonged.

Description

The multidirectional switch device

[technical field]

The relevant a kind of multidirectional switch device of the utility model refers in particular to a kind of coordinate and detects the multidirectional switch device.

[background technology]

The prior art relevant with the utility model please No. 4292103 patent documentation of Japan's special permission.This patent documentation has disclosed a kind of multidirectional switch device, thereby it comprise the framework that is provided with opening, have the rocking bar that is exposed to aforementioned opening and than this opening diameter big and be located at the large-diameter portion of framework inside can be to the operating body of multi-direction slide, be arranged at that framework inside is used to detect checkout gear that the aforementioned operation body slides in the horizontal direction, thereby to be positioned at framework inner and be assembled to the position that surrounds aforementioned large-diameter portion and can make large-diameter portion return to the annular resilient parts of initial position automatically and be sheathed on keycap on the rocking bar.Be concaved with groove on the described keycap, the rocking bar of operating body is chimeric goes in this groove, drives the motion of rocking bar in radial direction by keycap in the motion of radial direction, carries out coordinate and detects thereby drive checkout gear.

In the structure of aforementioned multidirectional switch device, the recess sidewall under the keycap is thinner relatively, radially 360 the degree motion processes in, tend to reasons such as undue force because of the user, and cause recess sidewall to be broken, thus damage keycap, influence the useful life of product.

Therefore, necessaryly provide a kind of new multidirectional switch device, to overcome existing defective in the prior art.

[utility model content]

The multidirectional switch device that provides rocking bar and keycap to be wholely set is provided the purpose of this utility model.

The purpose of this utility model is achieved through the following technical solutions: the utility model multidirectional switch device, it comprises framework, be placed in the framework bottom printed circuit board (PCB), be arranged on the printed circuit board (PCB) and the checkout gear of sliding contact, drive operating body that checkout gear slides on printed circuit board (PCB), around the operating body setting can make elastomer that operating body restPoses and with the keycap of the chimeric fixing of operating body, keycap is extended with rocking bar to operating body direction one, this rocking bar in framework with the chimeric fixing of operating body.

Compared with prior art, the utlity model has following beneficial effect: the mode that extends to form rocking bar by one below keycap has been avoided establishing on the keycap in the prior art groove and has been caused the crackly defective of groove inwall.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model multidirectional switch device.

Fig. 2 is the three-dimensional exploded view of multidirectional switch device shown in Figure 1.

Fig. 3 is the handstand three-dimensional exploded view of multidirectional switch device shown in Figure 2.

Fig. 4 is the cutaway view along A-A line among Fig. 1.

[embodiment]

Below, will introduce the embodiment of the utility model multidirectional switch device 100 in conjunction with Fig. 1 to Fig. 4.The utility model multidirectional switch device 100 comprises framework 10, place in the framework 10 and can be to the operating body 40 of multi-direction slide, be fixed in can make on the certain position framework 10 in operating body 40 return to automatically initial position elastomer 80, place framework 10 bottoms can be operated that body 40 drives and at checkout gear (not label), the part of radial motion is contained in the framework 10 and operating body 40 is chimeric keycap 60 and place the printed circuit board (PCB) 14 of framework 10 bottoms.

Please refer to Fig. 2 and shown in Figure 3, described framework 10 comprises and is the first box-like insulator 11 of the no end, is connected to second insulator 12 on first insulator, the 11 no bottoms and winding the 3rd insulator 13 in second insulator, 12 bottoms, in concrete enforcement, the 3rd insulator 13 can be a printed circuit board (PCB) 14.Described first insulator 11 comprises a top cover 111 and is located at opening 112 in the middle of the top cover 111, and the reverse side edge of top cover 111 has protruded out some reference columns 114, and opening 112 is formed with first stop part 113 near the edge dimpling of second insulator, 12 1 sides; Second insulator 12 is corresponding with first insulator 11, comprise plate-like body portion 121, offer in the middle of the plate-like body portion 121 and the corresponding another one opening 122 of opening 112 on first insulator 11, opening 122 edges form second stop part 123 to first insulator, 11 1 side dimplings, and the edge of plate-like body portion 121 offers and the corresponding location hole 124 of first insulator, 11 reference columns 114; The 3rd insulator 13 comprises intermediate recess portion 131 and is positioned at the frame 132 of depressed part 131 peripheries, and described frame 132 is provided with and the corresponding location hole 134 of first insulator, 11 reference columns 114.Described printed circuit board (PCB) 14 is installed in the depressed part 131 of the 3rd insulator 13, printed circuit board (PCB) 14 is provided with some contacts that contact with checkout gear 141, the circuit in described contact 141 and the printed circuit board (PCB) and extend framework 10 outer conducting terminals 20 and be communicated with the forming circuit loop.Wherein, be enclosed to form first space (not label) between described first insulator 11 and second insulator 12, be enclosed to form second space (not label) between second insulator 12 and the 3rd insulator 13.

See also Fig. 2 to shown in Figure 4, checkout gear comprises the slide block 30 of two vertical stacks, the slide block middle part is provided with long and narrow conduit 31, be extended with the pin 32 of mutual conduction in the face of the 3rd insulator 13 1 sides, contact 141 sliding contacts on described pin 32 and the printed circuit board (PCB) 14 are to change circuitous resistance, thereby detect slide block 30 directions of motion and position, the slide block 30 of described vertical stack slides in second space between the 3rd insulator 13 at second insulator 12 and printed circuit board (PCB) 14 places.

Operating body 40 comprises the large-diameter portion 41 that is contained in first space, in large-diameter portion 41 extends downwardly into slide block 30 conduits 31 and drive the drive division 43 that slide block 30 slides, described large-diameter portion 41 is provided with embeded slot 42 in the middle of the end face of keycap 60, described large-diameter portion 41 is clamped between first stop part 113 and second stop part 123; Described elastomer 80 is located in first stop part 113 and contacts with large-diameter portion 41 with second stop part, 123 outsides and part, and elastomer 80 makes it recover initial position in large-diameter portion 41 radial motions.

Also comprise a dust cap 50 between the keycap 60 and first insulator 11, described dust cap 50 is discoideus structure and is provided with window 51 at the middle part; Described keycap 60 tops are rounded, and be staged to first insulator, 11 directions and extend to form the rocking bar 64 that reduces gradually, described rocking bar 64 the direction towards first insulator 11 comprise the first step portion 61 that reduces gradually, from first step portion 61 continue to extend and diameter less than the second step portion 62 of first step portion 61 and the fitting portion 63 that continues to extend to form from second step portion 62, described fitting portion 63 is chimeric mutually with the embeded slot 42 of operating body 40.The diameter of described dust cap 50 windows 51 and second step portion 62 are identical and less than the diameter of first step portion 61.

The mode that the utility model multidirectional switch device 100 extends to form rocking bar 64 by one below keycap 60 has been avoided establishing on the keycap in the prior art groove and has been caused the crackly defective of groove inwall.

Claims

1. multidirectional switch device, it comprises framework, be placed in the framework bottom printed circuit board (PCB), be arranged on the printed circuit board (PCB) and the checkout gear of sliding contact, drive operating body that checkout gear slides on printed circuit board (PCB), around the operating body setting can make elastomer that operating body restPoses and with the keycap of the chimeric fixing of operating body, it is characterized in that: described keycap is extended with rocking bar to operating body direction one, this rocking bar in framework with the chimeric fixing of operating body.

2. multidirectional switch device as claimed in claim 1 is characterized in that: described rocking bar comprises that the first step portion that is step and reduces gradually, the second step portion that continues to extend to form from first step portion reach the fitting portion that continues to extend to form from second step portion.

3. multidirectional switch device as claimed in claim 2, it is characterized in that: described operating body places in the framework, the drive division that is used to drive checkout gear that operating body comprises large-diameter portion and extends to form downwards from large-diameter portion, large-diameter portion is provided with embeded slot with the chimeric fixing of keycap fitting portion in the face of the end face of keycap one side.

4. multidirectional switch device as claimed in claim 3 is characterized in that: also comprise a dust cap of being located between framework and the keycap, be provided with window in the middle of the described dust cap.

5. multidirectional switch device as claimed in claim 4 is characterized in that: the diameter of the diameter of described window and the second step portion of rocking bar is identical and less than the diameter of first step portion.

6. multidirectional switch device as claimed in claim 1, it is characterized in that: described framework comprises first insulator, be connected to second insulator under first insulator and be connected to the 3rd insulator under second insulator, form first space between first insulator and second insulator, form second space between second insulator and the 3rd insulator.

7. multidirectional switch device as claimed in claim 6, it is characterized in that: described first insulator and second insulator middle part are respectively equipped with opening, first insulator forms first, second stop part along relative to dimpling with the opening edge of the second insulator opposite face, the large-diameter portion of described operating body is held between first, second stop part, and described elastomer is located in first, second stop part outside and contacts with large-diameter portion.

8. multidirectional switch device as claimed in claim 6, it is characterized in that: described checkout gear comprises the slide block of two vertical stacks, place between second insulator and the 3rd insulator, extend the pin of a pair of conducting on each slide block to the printed circuit board (PCB) direction.

9. multidirectional switch device as claimed in claim 8 is characterized in that: described the 3rd insulator medial recess forms depressed part, and described printed circuit board (PCB) is arranged in this depressed part.

10. multidirectional switch device as claimed in claim 9 is characterized in that: described printed circuit board (PCB) is provided with the contact with the sliding contact of slide block pin, and the circuit in contact and the printed circuit board (PCB) is communicated with the formation circuit loop.