CN2096123U

CN2096123U - Automatic pull switch

Info

Publication number: CN2096123U
Application number: CN 91209890
Authority: CN
Inventors: 程德成; 张桂珍; 程立涛
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-06-14
Filing date: 1991-06-14
Publication date: 1992-02-12

Abstract

The utility model discloses an automatic pull switch, a slide bar 4, a collapse 16, a positive teeth ratchet wheel 13 and a pressing spring 8, and the utility model can be arranged on a door frame. The utility model is provided with a close and a break two status when the room door is opened and closed, so the utility model can automatically control the indoor lighting or other electrical devices. The right side of a ratchet wheel 5 is also provided with a pull wire disc 12 which is connected with a pull wire 11, when the pull wire 11 is pulled by hand, the utility model can be in closing or a breaking operating status, and the utility model can be controlled by hand. The utility model is also added with an indicating lamp which has multiple functions of indicating and protecting.

Description

Automatic pull switch

The utility model relates to a kind of switching device of control circuit connecting and disconnecting.By its pulling switch of forming by bakelite shell, ratchet, moving contact, fixed contact, cable quadrant and backguy.

The common pulling switch of Chu Shouing is exactly this structure in the market, is mainly assembled by bakelite shell, ratchet, sound contact, cable quadrant and backguy.This switch can only manually be controlled the electric equipments such as illumination in the electric wiring.But a lot of darker rooms are arranged in the present building, as basement, storeroom, toilet etc., use this pulling switch in darker room, touch in the dark and look for backguy, the illumination in the switch gear room is very inconvenient, and is antihygienic especially in the toilet.This common pulling switch does not have indicating device yet, and nobody can not make indication in the operating state Push And Release of switch and the operating state of controlled device and the toilet people.Therefore general switch can not be controlled the electric equipments such as illumination in the room automatically, and this causes difficulties such as unhygienic inconvenience than intraoral illumination between dark place just for switch.

Task of the present utility model provides a kind of Automatic pull switch.It can easily realize electric equipments such as automatic control room intraoral illumination, and has the operating state and the indoor people of having of light indication, indication controlled device unmanned.

For solving above-mentioned task, the solution that the utility model adopts is: in common pulling switch, be provided with a slide bar, have on the slide bar one group of gram collapse with ratchet on the commutating tooth engagement.Gram collapses and just drives the ratchet half-twist, just engages with fixed contact or separate attached to the moving contact on the ratchet when slide bar is subjected to the stage clip reaction force to be pushed to right-hand member.The pressure of slide bar action from outside or door, thrust from stage clip.This Automatic pull switch is as being installed on the doorframe, just move once when the door one open-one close, Automatic pull switch just is switched on or switched off and works in two states, thereby realized the task of automatic control room intraoral illumination or other electric equipment.

The tooth on above-mentioned ratchet right side is connected with backguy with the tooth engagement of cable quadrant, cable quadrant, drops just half-twist of ratchet of backguy with hand, just engage with fixed contact or separate attached to the moving contact on the ratchet, whenever dropping Automatic pull switch of backguy just is switched on or switched off, work in two states, thereby realized the task of manual control room intraoral illumination or other electric equipment.

The indicator light that is provided with on the above-mentioned Automatic pull switch is serially connected in the loop of Be Controlled illuminating lamp and illuminating lamp light on and off simultaneously.This indicator light has multiple function; 1. guidance lighting lamp light on and off.2. indicate the indoor people of having with unmanned.3. there is step-down to prolong the useful life of illuminating lamp.4. protective circuit equipment.

Above-mentioned Automatic pull switch is also purchased the position that external indicating lamp is installed in easy observation, thereby has enlarged the scope of application of Automatic pull switch.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the electrical schematic diagram of first embodiment of the utility model.

Fig. 2 is the sectional arrangement drawing of Fig. 1 embodiment Automatic pull switch.

Fig. 3 is the left side view of the utility model Automatic pull switch slide bar and ratchet.

Fig. 4 is the front view of the utility model Automatic pull switch ratchet.

Fig. 5 is the external indicating lamp figure of the utility model Automatic pull switch.

In circuit shown in Figure 1, power supply is sent into switch ［ 1 ］, indicator light ［ 2 ］, illuminating lamp ［ 3 ］ from A, B and is constituted a loop, extinguishes simultaneously after lighting simultaneously, disconnecting when the closed rear indicator light of Automatic pull switch ［ 1 ］［ 2 ］, illuminating lamp ［ 3 ］ in the control loop of Automatic pull switch ［ 1 ］.Automatic pull switch ［ 1 ］ task is with automatic, manual; Dual mode is controlled connecting of electric loop and is disconnected.In order to understand the state of illuminating lamp ［ 3 ］, it has directly reflected the state of illuminating lamp ［ 3 ］ indicator light that is provided with in the present embodiment ［ 2 ］ and illuminating lamp ［ 3 ］ light on and off simultaneously.Indicator-lamp cover ［ 10 ］ makes for red transparent plastic, comparatively obvious.Redness is used in the building on the doorway of having only a lavatory in the unit has the people in the bright indication of the lamp lavatory, and lamp goes out unmanned.The specification of pilot bulb cooperates with the power of controlled device should be suitable, should select the pilot bulb of XZ2.5 * 1.4A in the time of should selecting XZ2.5V * 0.075A pilot bulb, illuminating lamp for 25W as lighting bulb for use during for 15W for use.Burn the cut-out circuit rapidly during faults such as this indicator light also can be short-circuited and play a protective role except that being used as indication in the loop, the impulse current in the time of also can reducing the illuminating lamp unlatching increases the service life.

Fig. 2 be according to above-mentioned principle design can be automatically the also sectional arrangement drawing of manual Automatic pull switch.It collapses ［ 16 ］ ratchet ［ 5 ］, moving contact ［ 14 ］, fixed contact ［ 7 ］, stage clip ［ 8 ］, cable quadrant ［ 12 ］, backguy ［ 11 ］, indicator light ［ 2 ］ by base ［ 18 ］, slide bar ［ 4 ］, gram forms.Gram on the slide bar ［ 4 ］ collapses commutating tooth ［ 13 ］ engagement on ［ 16 ］ and the ratchet ［ 5 ］, as shown in Figure 3.As Automatic pull switch ［ 1 ］ is installed on the doorframe, it can close a power job of opening by door one, pressure when door is shut is pressed to left end with slide bar ［ 4 ］, ratchet this moment ［ 5 ］ does not rotate, moving contact ［ 14 ］ does not engage with fixed contact ［ 7 ］, Automatic pull switch ［ 1 ］ is not closed, and indicator light ［ 2 ］, illuminating lamp ［ 3 ］ do not work.Pressure disappears when opening the door, slide bar ［ 4 ］ is pushed to right-hand member under the reaction of stage clip ［ 8 ］, gram collapses ［ 16 ］ and just drives ratchet ［ 5 ］ half-twist, attached to the moving contact on the ratchet ［ 5 ］ also thereupon half-twist and engage with fixed contact ［ 7 ］, Automatic pull switch ［ 1 ］ closure, indicator light ［ 2 ］, illuminating lamp ［ 3 ］ are lighted simultaneously.Slide bar ［ 4 ］ is pressed towards left end again at closing time again, ratchet ［ 5 ］ does not still rotate.Pressure disappears when opening the door again, slide bar ［ 4 ］ is pushed to not only right-hand member under the reaction force of stage clip ［ 8 ］, gram collapses ［ 16 ］ but also drives ratchet ［ 5 ］ half-twist moving contact ［ 14 ］ and separates with fixed contact ［ 7 ］, Automatic pull switch ［ 1 ］ disconnects, and indicator light ［ 2 ］, illuminating lamp ［ 3 ］ extinguish simultaneously.The lamp that so opens the door is bright, the periodic duty that lamp goes out, the lamp that opens the door again is bright of opening the door again, realized the automatic control task of Automatic pull switch.

Slide bar shown in Figure 3 ［ 4 ］ top has the guide rail ［ 17 ］ of a strip to make gram collapse commutating tooth ［ 13 ］ on ［ 16 ］ and the ratchet ［ 5 ］ and good engagement is arranged and remains on the center line.

Fig. 4 illustrates between the cable quadrant ［ 12 ］ on ratchet ［ 5 ］ and right side has tooth to be meshing with each other, drop backguy ［ 11 ］ cable quadrant and just be pulled 90 °, ratchet ［ 5 ］ also is rotated 90 ° simultaneously, just engage with fixed contact ［ 7 ］ attached to the moving contact ［ 14 ］ on the ratchet ［ 5 ］, Automatic pull switch ［ 1 ］ closure, indicator light ［ 2 ］, illuminating lamp ［ 3 ］ are lighted simultaneously.It is the same described and moving contact ［ 14 ］ separates with fixed contact ［ 7 ］, Automatic pull switch ［ 1 ］ disconnection, indicator light ［ 2 ］, illuminating lamp ［ 3 ］ are extinguished simultaneously to drop backguy ［ 11 ］ operation program again.Draw again brighter, draw the periodic duty like this of going out again to realize the manual control task of Automatic pull switch again.

Fig. 5 installs a kind of circumscribed indicating lamp ［ 20 ］ that the needs of diverse location are designed to for adapting to Automatic pull switch, and what connect certain-length moulds the scope of application that this circumscribed indicating lamp of spool ［ 21 ］ has enlarged Automatic pull switch firmly.Should stop the use of indicator light ［ 2 ］ when using external indicator light.External indicating lamp ［ 20 ］ is connected with fixed contact ［ 7 ］, break ［ 9 ］.

Claims

1, a kind of Automatic pull switch comprises insulation crust, ratchet, moving contact, fixed contact, cable quadrant, backguy, it is characterized in that: be provided with a slide bar, slide bar one end contacts with a stage clip, and the slide bar other end stretches out insulation crust.

2, Automatic pull switch according to claim 1 is characterized in that: have one group of gram to collapse on the slide bar, gram collapses and crouches in slide bar.

3, Automatic pull switch according to claim 1 is characterized in that: slide bar and ratchet be arranged in parallel, and the gram on the slide bar collapses the commutating tooth engagement with ratchet.

4, Automatic pull switch according to claim 1 is characterized in that: slide bar has one section guide rail, and guide rail top contacts with the guide-track groove of switch loam cake.

5, Automatic pull switch according to claim 1 is characterized in that: also installed indicating lamp device on Automatic pull switch, an end of indicator light is electrically connected with fixed contact, and the other end of indicator light is electrically connected with the load of backguy control automatically.