CN2308950Y

CN2308950Y - Spring plate microswitch

Info

Publication number: CN2308950Y
Application number: CN 97218793
Authority: CN
Inventors: 蔡金山
Original assignee: New Giant Enterprise Co ltd
Current assignee: New Giant Enterprise Co ltd
Priority date: 1997-06-05
Filing date: 1997-06-05
Publication date: 1999-02-24
Anticipated expiration: 2007-06-05

Abstract

The utility model relates to a spring sheet type micro-switch which comprises a common pin and a movable conductive sheet, wherein the common pin and the movable conductive sheet are both arranged in a casing. The common pin is provided with a U-shaped arrangement base and a connecting pin, wherein the outer surfaces of the front end and the rear end of the arrangement base are respectively provided with a groove. The movable conductive sheet comprises a main sheet and a spring sheet, wherein the center of the main sheet is provided with an opening of which the rear end is butted on the groove at the rear end; the spring sheet is in the shape of a bending arc, the first end of the spring sheet is butted on the groove at the front end and the second end is clamped with the main sheet. Both sides of the second end are provided with projecting portions which can be clamped on both sides of the opening, and a groove is arranged in the middle; the front section of the opening of the main sheet is provided with a convex sheet which is clamped with the groove, so that the assembly of the main sheet and the spring sheet has bidirectional and clamping effects without tripping.

Description

The spring-piece type sensitive switch

The utility model relates to a kind of sensitive switch, particularly relates to a kind of sensitive switch of spring-piece type.

Sensitive switch is divided into two types haply, a kind of is spring, and another kind is a spring-piece type, as shown in Figure 1, be a kind of spring-piece type sensitive switch in the past, it comprises the public pin of a

housing

11,12, movable conducting strip 13, a touching button 14 and a switch haptic element 15,16.Public pin 12 is provided with a configuration seat 121 that takes the shape of the letter U and a branch connecting pin 122, and the two ends appearance of configuration seat 121 is respectively equipped with groove 123,124, and its further groove 123 is high than draw-in groove 124, and pin 122 connects what groove 123 belows.Movable conducting strip 13 front end two sides all are provided with a contact 131, and middle to shell fragment 132 of Hou extension, and its Hou end supports in the groove 123 of the public pin 12 of what, and shell fragment 132 is bending to what groove 124.

Is high by what groove 123 than groove 124, under normal conditions, when movable conducting strip 13 is installed in public pin 12, can contact because of shell fragment 132 up pushes up with switch haptic element 15, when touching button 14 downwards on time, movable conducting strip 13 just can down bounce and contact with switch haptic element 16.

This kind side cover type housing in when assembling, is respectively charged into switch

haptic element

15,16 in the housing 11 earlier, then movable conducting strip 13 is reinstalled in the housing 11 on the public pin 12 of assembling whats earlier, and Hou is loaded onto touching button 14 and covered side cover (figure does not show) and promptly finishes.Space by what housing 11 is narrow and small, and movable conducting strip 13 and public pin 12 must be assembled Hou earlier and insert outside housing 11.

Above-mentioned shell fragment 132 is to be extended to Hou by movable conducting strip 13 centres, in use, because of movable conducting strip 13 is to bounce by the elasticity of shell fragment 132, uses Hou shell fragment 132 to break for a long time, and useful life is limited.

Shown in Fig. 2,3, be second kind of spring-piece type sensitive switch in the past, in order to improve the above-mentioned movable conducting strip problem of fracture easily, movable conducting strip 23 is provided with main leaf 231 and the shell fragment 232 that can assemble mutually, shell fragment 232 is arcuation and nock down, and its two ends are respectively equipped with abutting part 2321 and the Access Division 2322 that level is protruded.When the public pin 22 of assembling what, shell fragment 232 is from top to bottom packed into, and abutting part 2321 is supported the groove 224 of the public pin 22 of what, and with 2322 clamping what main leaves, 231 belows, Access Division, so can buckle shell fragment 232 and form the elastic force of answer when main leaf 231 is pressed down.

Though above-mentioned second kind in the past the movable conducting strip 23 of spring-piece type sensitive switch be to be designed to separable main leaf 231 and shell fragment 232, do not have the shortcoming that shell fragment breaks easily in the use, yet produce another shortcoming:

1. if adopt the side cover type assembling, then main leaf 231 and shell fragment 232 need to adorn earlier the public pin 22 of what and reinstall housing (figure does not show), yet bullet 232 is only with 2322 clamping what main leaves, 231 belows, Access Division, can only end up tripping of shell fragment 232, can't prevent downwards and come off, so sheet 231, shell fragment 232 and public pin 22 are easy to drop when assembling, and be very inconvenient.

2. if adopt the assembling of loam cake formula, be that public pin 22 and two switch haptic element (not shown)s are packed into earlier in the housing, then main leaf 231 and shell fragment 232 will from top to bottom be assembled on the public pin 22 of what quite inconvenient, because of shell fragment 232 very tiny, need do compression down when nock is packed into and nock be contracted and Access Division 2322 is pressed into the main leaf lower end, so quite difficulty.

Main purpose of the present utility model provides a kind of spring-piece type sensitive switch easy to assembly at what.

For achieving the above object, the utility model is taked following scheme:

Spring-piece type sensitive switch of the present utility model, comprise a housing, public pin, movable conducting strip, touching button and switch haptic element, public pin is provided with a configuration seat and a pin that is connected with configuration seat one side, the two ends appearance of configuration seat is respectively equipped with groove, movable conducting strip is provided with a main leaf and a shell fragment, be provided with opening in the middle of the main leaf, the Hou end of opening supports one of them groove of the public pin of what, shell fragment is the curved arc shape, first end supports another groove of the common pin of what, second end and main leaf fastening, its feature are at what:

The second end both sides of described shell fragment are provided with protuberance, and the centre is provided with groove, and the opening leading portion of described main leaf is provided with a lug, the opening both sides of the protuberance fastening what main leaf of shell fragment, the lug fastening of the groove of shell fragment and main leaf.

Described spring-piece type sensitive switch, its feature are at what:

The groove top that the configuration seat of described public pin props up described shell fragment first end is provided with the protuberance of side direction, the upwards spring and against the what protuberance of described movable conducting strip.

The utlity model has following effect:

By above structure, during by the public pin of what movable conducting strip assembling what, under the what normality upwards spring can support the protuberance of the public pin front end of what groove top, highly stable and can tripping, therefore, hand assembled and machine automation assembling is simplified.

Below by most preferred embodiment and accompanying drawing spring-piece type sensitive switch of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is first kind of side-looking constitutional diagram of opening when lid of spring-piece type sensitive switch in the past.

Fig. 2 is second kind of movable conducting strip of spring-piece type sensitive switch and three-dimensional exploded view of common pin in the past.

Fig. 3 is second kind of movable conducting strip of spring-piece type sensitive switch and combination of side view of public pin in the past.

Fig. 4 is the side-looking constitutional diagram of the utility model preferred embodiment.

Fig. 5 is the movable conducting strip of the utility model preferred embodiment and the three-dimensional exploded view of public pin.

Fig. 6 is the combination stereogram of Fig. 5.

Fig. 7 is the movable conducting strip of another preferred embodiment of the utility model and the three-dimensional exploded view that is total to pin.

Fig. 8 is the combination stereogram of Fig. 7.

As shown in Figure 4, the utility model preferred embodiment comprises the public pin of a housing 31,4, movable conducting strip 5, a touching button 32 and a switch

haptic element

33,34.

Cooperate shown in Fig. 5,6, public pin 4 is provided with a configuration seat 42 that takes the shape of the letter U and a branch connecting pin 41, the two ends appearance of configuration seat 42 is respectively equipped with groove 421,422, groove 421 positions of Hou end are than groove 422 height of front end, and above the groove 422 of front end, be provided with the protuberance 423 of side direction, pin 41 connects Hou end groove 421 tops of what configuration seat 42 in addition, and turnover is extended downwards.

Movable conducting strip 5 is beryllium copper sheets, be provided with a main leaf 51 and a shell fragment 52, be provided with opening 511 in the middle of the main leaf 51, be provided with a lug 512 in the middle of the front end of opening 511 to Hou, shell fragment 52 is the curved arc shape, its first end 521 supports the front end groove 422 of the public pin 4 of what, and the both sides of its second end 522 are provided with protuberance 523, and the centre is provided with a groove 524.

In addition, relevant housing 31, touching button 32, and switch

haptic element

33,34 roughly in the past structure is identical.

When movable conducting strip 5 is assembled with public pin 4, main leaf 51 be by and on pack into the configuration seat 42 of public pin 4, the public Hou end of its opening 511 Hous end card what groove 421, the nock of shell fragment 52 up, and from bottom to top push, but the opening down either side of its protuberance 523 fastening what main leaves 51, and the groove 524 of shell fragment 52 can with lug 512 fastenings of main leaf 51.

By above structure, pack into main leaf 51 and public pin 4 of shell fragment 52 is very easy, only need make shell fragment 52 cambered surfaces up, from bottom to top push and get final product, protuberance 523 is opening 511 down either side of fastening what main leaf 51, and the lug 512 of main leaf 51 also can slip into the groove 524 of shell fragment 52 with fastening, so makes shell fragment 52 and main leaf 51 because of fastening effect is up and down arranged, very firm, can not come off.In addition, the protuberance 423 of public pin 4 front ends top can be used to prevent main leaf 51 upwards trippings, and it is more convenient that assembling is gone up.

Shown in Fig. 7,8, pin 41 ＇ of public pin 4 stretch out from configuration seat 42 ＇ levels, and shell fragment 52 ＇ cambered surfaces and can from top to bottom push and main leaf 51 ＇ fastenings equally also easily assembling down.

In sum, spring-piece type sensitive switch of the present utility model is by main leaf and the upper and lower two-way fastening of shell fragment, so very firm, can not come off, and because of shell fragment be to push fastening towards main leaf with cambered surface, no matter from top to bottom or from bottom to top, the main leaf of packing into is all very convenient.

Claims

1. spring-piece type sensitive switch, comprise a housing, public pin, movable conducting strip, touching button and switch haptic element, public pin is provided with a configuration seat and a pin that is connected with configuration seat one side, the two ends appearance of configuration seat is respectively equipped with groove, movable conducting strip is provided with a main leaf and a shell fragment, be provided with opening in the middle of the main leaf, the Hou end of opening supports one of them groove of the public pin of what, shell fragment is the curved arc shape, first end supports another groove of the common pin of what, second end and main leaf fastening, its feature are at what:

2. spring-piece type sensitive switch according to claim 1, its feature are at what: