CN202585176U

CN202585176U - Switch

Info

Publication number: CN202585176U
Application number: CN 201220110936
Authority: CN
Inventors: 孙亮; 陆俭金
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: 2012-03-22
Filing date: 2012-03-22
Publication date: 2012-12-05
Anticipated expiration: 2022-03-22
Also published as: JP3182958U

Abstract

Disclosed is a switch, comprising an insulating housing provided with an opening, fixed terminals fixedly arranged inside the insulating housing, movable terminals, a dustproof body covering the opening of the insulating housing, a pressing cover covering the dustproof body, and a metal cover that is assembled and covers the opening of the insulating housing, wherein the insulating housing comprises sidewalls; the inner walls of the sidewalls are respectively provided with a spacing groove in a recessed manner; the fixed terminals comprise central fixed terminals and peripheral fixed terminals which are fixedly arranged inside the insulating housing; two sides of the dustproof body are respectively provided with a locating block in a protruding manner that is fixedly held in a spaced manner corresponding to the spacing groove upon the insulating housing; and with the spacing holding of the locating block and the spacing groove, the rotation of the dustproof body relative to insulating housing can be prevented.

Description

Switch

[technical field]

The utility model discloses a kind of switch, refers to a kind of switch that is used on the electronic installation especially.

[background technology]

In the prior art, general switch generally includes box-shaped plastic casing with diapire, be fixed in the plastic casing and the some central fixed terminal and the peripheral fixed terminal of setting separated from one another, be contained in movable terminal in the plastic casing, be covered on the opening part of plastic casing dustproof shake-up sheet, be assembled in the metal cap body on the plastic casing and be covered on and dustproofly touch on the sheet and part protrudes in the outer pressing body of metal cap body.In the use, the user pushes above-mentioned pressing body, thereby can make through movable terminal and electrically contact the realization switching function between central fixed terminal and the peripheral fixed terminal.

So; This type of switch of the prior art; It is dustproof to touch spacing between sheet and the plastic casing and generally only through the opening part surface in plastic casing spacing block set is set; Correspondence is provided with the spacing breach that supports with spacing block set on the dustproof shake-up sheet, thereby through the spacing location of realizing preventing dust between shake-up sheet and the plastic casing that supports between spacing block set and the spacing breach.So, only can not touch between sheet and the plastic casing closely spacing in fact with preventing dust through the spacing fixing of this structure.The dustproof shake-up sheet of switching connector of the prior art is all thinner, only still can cause dustproof the shake-up between sheet and the plastic casing that relatively moving of certain amplitude arranged through this structure is spacing in plastic casing open surfaces place.The switching connector of spacing defective tightness can bring a lot of inconveniences between this dustproof shake-up sheet and the plastic casing in use and manufacture process.

In view of above problem, be necessary to provide a kind of improved switch in fact, refer to the switch that a kind of structure fixing is tight and have dustproof effect especially.

[utility model content]

The purpose of the utility model is to provide the switch that a kind of structure fixing is tight and have dustproof effect.

For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of switch, comprise the insulation shell that is provided with receiving space, be immobilizated in fixed terminal in the insulation shell, with the corresponding movable terminal of fixed terminal, push the dustproof body of movable terminal and be covered in the outer metal cap body of insulation shell; Said insulation shell includes sidewall; Said fixed terminal comprises central fixed end and peripheral fixed end that is fixedly arranged in the insulation shell; Said central fixed end includes central contact and extends the outer bonding pad of insulation shell, and said peripheral fixed end includes peripheral contact and extends the outer welding foot of insulation shell respectively; Be arranged with on the internal face of said sidewall and be formed with stopper slot, said dustproof body to evagination establish be formed with insulation shell on the locating piece that matches of stopper slot.

Further, said dustproof body includes cock body and pressing body, and said locating piece lays respectively on the cock body lateral surface and extends to form, and is formed with accepting groove between the sidewall of said pressing body and cock body.

Further, said dustproof body includes the edge part that extends to form along the cock body circumferential edges, and the locating piece of said dustproof body extends to edge part and is connected.

Further, the edge part of said dustproof body is provided with chamfering, and correspondence position is provided with and cooperates spacing guide vane end stop with chamfering on the insulating body.

Further, said switch also includes the pressing cover on the pressing body that is fixedly arranged on dustproof body, and said pressing cover is provided with the interior installation portion of accepting groove that correspondence is contained in dustproof body.

Further, said metal cap body includes top board, and said top board middle position offers through hole, and the pressing body on the said dustproof body stretches out outside the through hole, and said pressing cover includes the operating portion on the pressing body that is covered in dustproof body.

Further, the rear wall that said insulation shell includes antetheca, be oppositely arranged with antetheca and vertical is connected the antetheca and the back sidewall of mural margin, and said antetheca, rear wall and sidewall one common peripheral are set as receiving space, and the cock body of said dustproof body is contained in the receiving space.

Further, the diapire of said insulation shell and sidewall and rear wall adjacent are arranged to step-like structure and are formed stage portion.

Further, the sidewall of said insulation shell includes the roof that is oppositely arranged and diapire and vertically is connected the left and right sides sidewall of roof and diapire both sides, on the symmetrical respectively internal face that is arranged at left and right sides sidewall of said stopper slot.

Further, the cock body both sides of said dustproof body convex with two locating pieces, and said two locating pieces become to be symmetrical set respectively.

Compared with prior art; The utility model switch has the following advantages at least: through the spacing fixing of stopper slot on the sidewall that locating piece correspondence and insulation shell are set in dustproof body both sides; Further guaranteed closely spacing between dustproof body and the insulation shell, thereby prevented that dustproof body from rotating with respect to insulation shell.The edge of having guaranteed the dustproof body of the utility model switch can not touch the butt joint circuit board and then can not make whole switch and circuit board floating empty.Thereby guarantee that switch is stable with the welding fixing that docks between the circuit board.

[description of drawings]

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

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

Fig. 3 is the three-dimensional exploded view that switch shown in Figure 2 is seen from another angle.

Fig. 4 is the part three-dimensional combination figure of the utility model switch, and it provides fixed terminal to be assembled in the stereogram in the insulation shell.

Fig. 5 is the cutaway view of switch shown in Figure 1 along the A-A line.

[embodiment]

Specify the embodiment of the utility model switch 100 below in conjunction with accompanying drawing.

See also Fig. 1 to shown in Figure 3, the utility model switch 100 comprises the insulation shell 1, the fixed terminal 2 that is immobilizated in insulation shell 1 inner bottom surface that are provided with opening, be covered in movable terminal 3 on the fixed terminal 2, be covered in insulation shell 1 opening part the dustproof body 4 of the dustproof body of pushing movable terminal 3 indirectly, be covered on pressing cover 5 and the assembling on the dustproof body 4 and be covered in the metal cap body 6 of insulation shell 1 opening part.

See also Fig. 2 and shown in Figure 3, insulation shell 1 roughly is the box structure with diapire, the rear wall 12, the vertical sidewall (mark) that is connected antetheca 11 and rear wall 12 edges that comprise the antetheca 11 that is provided with opening, be oppositely arranged with antetheca 11.Said sidewall includes the roof 14 and diapire 15 and the vertical left and right sides sidewall 13 that is connected roof 14 and diapire 15 both sides that is oppositely arranged.Be set as the box-shaped insulation shell 1 of a hollow setting and be formed with receiving space 16 by above-mentioned rear wall 12, left and right sides sidewall 13, roof 14 and diapire 15 one common peripheral.

Above-mentioned diapire 15 is arranged to step-like structure with left and right sides sidewall 13 and rear wall 12 adjacents and is formed stage portion 17 to realize the heavy board-like assembling design of the utility model switch 100.Be equipped with guide vane end stop 111 respectively and be used for and dustproof body 4 spacing fixings at place, the position, four bights of said antetheca 11, and be equipped with blocked block 112 on each guide vane end stop 111 and be used for and metal cap body 6 spacing fixings.Be provided with projection 131 near roof 14 respectively with place, diapire 15 places on the said left and right sides sidewall 13, projection 131 be used for metal cap body 6 on counter structure cooperate and hold.On the internal face of said two left and right sides sidewalls 13 respectively symmetry be concaved with stopper slot 113, stopper slot 113 be used for and dustproof body 4 on counter structure hold to realize the accurate spacing fixing between dustproof body 4 and the insulation shell 1.

See also Fig. 2 to shown in Figure 4; Said fixed terminal 2 comprises central fixed end 21 that is fixedly arranged on insulation shell 1 inner bottom surface middle position and is positioned at peripheral fixed end 22 of central fixed end son 21 peripheries that said central fixed end son 21 and peripheral fixed end 22 are kept apart setting respectively.Said central fixed end 21 includes central contact 211 and perpendicular to central contact 211 and extend that insulation shell 1 is outer to be used for and to dock the bonding pad 212 that circuit board is connected.Said peripheral fixed end 22 includes the two peripheral contacts 221 that lay respectively at central contact 211 both sides and respectively perpendicular to peripheral contact 221 and extend that insulation shell 1 is outer to be used for and to dock two welding foots 222 that circuit board is connected.Said bonding pad 212 and two welding foots 222 all are fixed on the stage portion 17 of insulation shell 1 and part protrudes in outside the insulation shell 1.

See also Fig. 2 to shown in Figure 4, movable terminal 3 is roughly in the form of annular discs, and it includes the travelling contact 31 that is positioned at discoid movable terminal 3 middle positions and is positioned at discoid movable terminal 3 normal contact terminal 32 on every side.Said movable terminal 3 is covered on the fixed terminal 2, peripheral contact 221 normally closed contacts of its normal contact terminal 32 and peripheral fixed end 22, and the central contact 211 of 31 one-tenths arch bridge shapes of its travelling contact and central fixed end sub 21 often is arranged.

See also Fig. 2 to shown in Figure 5, said dustproof body 4 include the cock body 41 that is the washbowl shape, along cock body 41 inner bottom surface central authorities protrude out the pressing body that roughly is column 42 of formation, along outstanding pressure section that forms 44 of cock body 41 outer bottoms central authorities and the edge part 43 that extends to form by cock body 41 edges.Be formed with accepting groove 47 between the sidewall of said pressing body 42 and cock body 41.Said cock body 41 is contained in the receiving space 16 of insulation shell 1; Pressure section 44 correspondences of dustproof body 4 are resisted against on the travelling contact 31 of movable terminal 3 central authorities; Thereby being covered on closely, edge part 43 correspondences of dustproof body 4 guarantee on the antetheca 11 of insulation shell 1 open circumferential that the receiving space 16 of insulation shell 1 keeps apart the effect that reaches dustproof and waterproof with insulation shell 1 external world; The pressing body 42 of dustproof body 4 protrudes into outside the insulation shell 1.

Said dustproof body 4 both sides are outstanding to be formed with two locating pieces that are symmetrical set 45, and said locating piece 45 lays respectively at and extends to form on cock body 41 lateral surfaces and the setting that is connected with the edge part 43 of dustproof body 4.Said locating piece 45 correspondences are accommodated and are fastened in and are used to realize spacing the holding between dustproof body 4 and the insulation shell 1 in the stopper slot 113 on the insulation shell 1; Thereby prevent dustproof body 4 with respect to insulation shell 1 rotation, guaranteed that simultaneously the edge part 43 of dustproof body 4 can not touch the butt joint circuit board and then can not make whole switch 100 and circuit board floating empty.Also be provided with some chamfering 46 structures on the edge part 43 of said dustproof body 4, the guide vane end stop 111 spacing fixings on chamfering 46 correspondences and the insulation shell 1, thus further guarantee relative rotation can not take place between dustproof body 4 and the insulation shell 1.

See also Fig. 1 to shown in Figure 3; Said pressing cover 5 includes the operating portion 51 of pressing body 42 outer surfaces of assembling and be coated on dustproof body 4 and the installation portion 52 that extends to form along operating portion 51 edges, and said installation portion 52 correspondences are contained in the accepting groove 47 that forms between pressing body 42 and the cock body 41.

See also Fig. 1 to shown in Figure 3, the pair of side plates 62 that said metal cap body 6 includes top board 61 and forms along top board 61 both sides vertical extent.Said top board 61 middle parts offer through hole 611, its edge be provided with can be corresponding with insulation shell 1 on blocked block 112 spacing hold hold breach 612.Offer on the said biside plate 62 can be corresponding with insulation shell 1 on the projection 131 spacing spacing breach 621 that hold.Through blocked block 112 with hold holding of breach 612 and holding of projection 131 and spacing breach 621 to realize metal cap body 6 stable being immobilizated on the insulation shell 1.Also extend to form on the said biside plate 62 and be useful on and dock the weld part 622 that circuit board connects.After assembling was accomplished, the operating portion 51 of above-mentioned pressing cover 5 protruded into the through hole 611 outer user's pressing operations that are used on the metal cap body 6.The through hole 611 that the installation portion 52 of said pressing cover 5 is wider than on the metal cap body 6 can not come off out in through hole 611 with the pressing cover 5 after guaranteeing to assemble.

The utility model switch 100 is through the stopper slot 113 spacing fixings on the left and right sides sidewall 13 that locating piece 45 correspondences and insulation shell 1 are set in dustproof body 4 both sides; Further guaranteed closely spacing between dustproof body 4 and the insulation shell 1; Thereby prevent dustproof body 4 with respect to insulation shell 1 rotation, guaranteed that simultaneously the edge part 43 of dustproof body 4 can not touch the butt joint circuit board and then can not make whole switch 100 and circuit board floating empty.Thereby guarantee that switch 100 is stable with the welding fixing that docks between the circuit board.

Claims

1. switch, comprise the insulation shell that is provided with receiving space, be immobilizated in fixed terminal in the insulation shell, with the corresponding movable terminal of fixed terminal, push the dustproof body of movable terminal and be covered in the outer metal cap body of insulation shell; Said insulation shell includes sidewall; Said fixed terminal comprises central fixed end and peripheral fixed end that is fixedly arranged in the insulation shell; Said central fixed end includes central contact and extends the outer bonding pad of insulation shell, and said peripheral fixed end includes peripheral contact and extends the outer welding foot of insulation shell respectively; It is characterized in that: be arranged with on the internal face of said sidewall and be formed with stopper slot, said dustproof body is established to evagination and is formed with the locating piece that matches with stopper slot.

2. switch as claimed in claim 1 is characterized in that: said dustproof body includes cock body and pressing body, and said locating piece lays respectively on the cock body lateral surface and extends to form, and is formed with accepting groove between the sidewall of said pressing body and cock body.

3. switch as claimed in claim 2 is characterized in that: said dustproof body includes the edge part that extends to form along the cock body circumferential edges, and the locating piece of said dustproof body extends to edge part and is connected.

4. switch as claimed in claim 3 is characterized in that: the edge part of said dustproof body is provided with chamfering, and correspondence position is provided with and cooperates spacing guide vane end stop with chamfering on the insulating body.

5. switch as claimed in claim 4 is characterized in that: said switch also includes the pressing cover on the pressing body that is fixedly arranged on dustproof body, and said pressing cover is provided with the interior installation portion of accepting groove that correspondence is contained in dustproof body.

6. switch as claimed in claim 5; It is characterized in that: said metal cap body includes top board; Said top board middle position offers through hole, and the pressing body on the said dustproof body stretches out outside the through hole, and said pressing cover includes the operating portion on the pressing body that is covered in dustproof body.

7. like any described switch in the claim 2 to 6; It is characterized in that: the rear wall that said insulation shell includes antetheca, be oppositely arranged with antetheca and vertical is connected the antetheca and the back sidewall of mural margin; Said antetheca, rear wall and sidewall one common peripheral are set as receiving space, and the cock body of said dustproof body is contained in the receiving space.

8. switch as claimed in claim 7 is characterized in that: the diapire of said insulation shell and sidewall and rear wall adjacent are arranged to step-like structure and are formed stage portion.

9. like any described switch in the claim 1 to 6; It is characterized in that: the sidewall of said insulation shell includes the roof that is oppositely arranged and diapire and vertically is connected the left and right sides sidewall of roof and diapire both sides, on the symmetrical respectively internal face that is arranged at left and right sides sidewall of said stopper slot.

10. like any described switch in the claim 2 to 6, it is characterized in that: the cock body both sides of said dustproof body convex with two locating pieces, and said two locating pieces become to be symmetrical set respectively.