KR20150120639A - Push swich - Google Patents

Abstract

The present invention relates to a push switch which is installed on a ceiling in a method of connecting a substrate, has a simple structure and can be easily connected in accordance with the installing position of an operating member through an upper part or a lower part and, more specifically, to a push switch which is configured in a method such that: a C-shaped stumbling mechanism which is moving as a swing of a pendulum to the left and right is formed on an inner surface of a wall surface of the opposite side of a case with an open side and is installed in the case; a V-shaped stumbling part a stumbling mechanism of which is hooked or released by a push/re-push operation is formed in a rear surface; a movable case to which a first and a second movable terminal are installed to be separated in a horizontal arrangement forming a first and a second terminal which are formed in front of the opposite side where the locking part is installed; a first fixed terminal which is ordinarily in contact with the first and the second movable terminals is installed therearound; the second and the third fixed terminals are separately installed at both sides of the first fixed terminal; a terminal case to which a lamp terminal connected with a lamp is in contact with the substrate such that the fixed terminals may not be interfered with by the first, the second and the third fixed terminals; the lamp is ordinarily emitting; when the movable case is not operated, the first movable terminal is in contact with the first and the second fixed terminals to conduct an electric current; with the push operation of the movable case, the first movable terminal is shorted; the second movable terminal is in contact with the first and the third fixed terminals to conduct the current; with the re-push operation of the movable case, the second movable terminal is shorted and is conducted through the first movable terminal. The push switch has a simple structure and is easily manufactured, has improved durability and only its terminal can be separately exchanged since the movable terminal may be detached.

Description

Push switch {Push switch}

The present invention relates to a switch, and more particularly, to a push switch which is installed on a ceiling and installed in a board connection manner, and is simple in structure and can be easily connected to an installation position of an operation member through an upper portion or a lower portion.

2. Description of the Related Art In general, a push switch for operation of point and off (on and off) is installed and used in an interior lamp installed inside a car.

The push switch includes a front knob; A plunger to which the knob is coupled and on which a movable ground plate is installed; And a top cover having a case in which the plunger is housed together with the elastic spring and a top cover coupled to the top of the case and having a connection terminal for connection of a power source.

The case is provided with a leaf spring and a locking means having a cam actuating bar elastically supported by the leaf spring, one end of which is rotatably supported and the other end of which is cam-operated along the cam portion of the plunger.

When such a push switch is assembled in an automobile interior lamp (not shown) and the plunger is pushed by the knob, the other end of the cam actuating bar is operated to move along the cam portion while the plunger advances the elastic spring, And the movable ground plate of the plunger is grounded to a fixed ground plate (not shown) of the lid to apply power to turn on the indoor lamp.

When the plunger is pushed again by the knob in such a state, the other side end of the cam actuating bar moves backward along the cam portion of the plunger, and at the same time the plunger is returned to its original position by the elastic force of the elastic spring, The movable ground plate of the lid is shifted from the fixed ground plate (not shown) of the lid, so that the electric power is interrupted and the indoor lamp is turned off.

The conventional push switch as described above has been proposed in Korean Patent Registration No. 20-0423399 with a name of a push lock switch for an automobile interior lamp.

The conventional push switch according to the related art includes a plunger having a knob coupled to the front and a movable ground plate mounted on the front; The plunger includes a case in which the plunger is housed together with a spring and a top cover coupled to an upper portion of the case and having a fixed ground plate at the bottom and a connection terminal at an upper portion. The plunger is elastically guided in the case by the cam action of the cam actuating bar when the knob is pressed by operating the plate spring to elastically support the actuating bar, and the plunger is turned on or off while being returned to the home position, A separate lower cover is integrally formed by integrally molding a plate spring having a bent and projecting shape so as to have two resilient forces for elastically supporting the cam actuating bar at the upper end thereof. The guiding groove guided by the guide is formed in the front of the plunger, Been made by the plunger is configured to move forward or operating instruction movement upon return to the original position again.

However, in the conventional push switch as described above, the visibility of the interior of the vehicle is secured during the daytime. However, when there is no light such as a nighttime running or a tunnel, .

Further, in order to operate the interior lamp in a room of a dark car, the conventional push switch has a disadvantage in that it is required to operate the switch depending on the sensation of the hand.

In addition, the conventional push switch has a problem in that the hook structure is complicated and the manufacturing cost is increased.

1. Utility model registration No. 20-0423399 (push lock switch for automobile interior lamp)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a push switch which is simple in structure and easy to manufacture and increases durability.

Another object of the present invention is to separate the movable terminal, so that only the terminal can be exchanged separately.

In order to attain the above-mentioned object, the present invention provides a push switch, comprising: a diaphragm-shaped latching member which is pivotally moved in the inner surface of an opposite side wall of a case opened at one side thereof; And the first and second movable terminals, which are respectively formed with the first and second terminals formed on the opposite side of the first and second movable terminals, Wherein the first and second movable terminals are provided with first and second fixed terminals that are in constant contact with the first and second movable terminals, the second and third fixed terminals are spaced apart from both sides of the first fixed terminal, And the terminal case having the lamp terminal connected to the lamp so as not to interfere with the three fixed terminals is contacted with the substrate so that the lamp always emits light and the first case The first movable terminal is short-circuited and the second movable terminal makes contact with the first and third fixed terminals to energize the current, and the first movable terminal contacts the first fixed terminal and the second fixed terminal, And the second movable terminal is short-circuited by the re-pushing operation of the movable case and is energized through the first movable terminal.

As described above, according to the present invention, since the structure is simple, it is easy to manufacture, the durability is increased, the movable terminal can be separated, and the terminal can be replaced separately.

1 is a perspective view of a push switch according to the present invention,
2 and 3 are a perspective view and a plan view showing a case of a push switch according to the present invention,
FIGS. 4 to 6 are a perspective view, a rear view, and a front view, respectively, of a movable case of a push switch according to the present invention;
7 is a perspective view of a movable terminal according to the present invention,
8 and 9 are a front view and a rear view of a terminal case of a push switch according to the present invention,
10 and 11 are a perspective view and a front view of the fixed terminal,
12 and 13 are a front sectional view and a side sectional view of a push switch according to the present invention,
14 to 16 are operation diagrams of a push switch according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

1 to 12, the push switch of the present invention includes a case 10 having a latch 11, a latch 10 coupled to the case 10, a latch 21 formed on a rear surface thereof, A movable case 20 having first and second movable terminals 24 and 25 formed thereon for pushing and re-pushing for contact, and a movable terminal 20 connected to the movable terminal 24 by the operation of the movable case 20 The switch 100 is formed of the terminal case 30 having the first and second fixed terminals 31 and 32 formed therein.

First, the switch 100 forms a diaphragm-shaped latching hole 11 which pivots in the inner surface of the opposite side wall 10a of the case 10 which is open at one side.

In this case, the case 10 is formed in a rectangular shape having an open top and one side. The wall 10a has a fitting end 10b protruding from the one end of the case 10, 11 are hooked to the engaging portion 21.

An elastic plate 11a is coupled to an inner surface of one side wall of the case 10 in which the latching hole 11 is provided to prevent the latching hole 11 from being separated from the latching portion 21, ).

The hook 21 has a V-shaped hook 21b formed at the center of the square frame 21a and a first passage 21c for moving the hook 11 upward to one side of the hook 21b. A first guide end 21e for guiding the stopper 11 to the stopping groove 21d of the stopping end 21b is formed on the upper side of the stopper 21b.

A second guide end 21f for guiding the stopper 11 in the engagement recess 21d is formed in the upper portion of the engagement recess 21d.

In addition, a second passage 21g in which the stopper 11 moves downward is formed on the other side of the latching end 21b.

In addition, the lower end of the second passage 21g is constituted by a third guide end 21h for guiding the stopper 11 to the lower center of the square frame 21a.

In addition, a V-shaped engaging portion 21 is provided on the rear surface of the case 10, and the engaging portion 11 is engaged and disengaged by a push / re-push operation. The first and second movable terminals 24 and 25 formed with the first and second terminals 22 and 23 are formed horizontally and spaced apart from each other.

At this time, the first and second movable terminals 24 and 25 are inserted into the terminal groove 20a of the movable case 20 so that the connection end 24a, to which the first and second terminals 22 and 23 are connected, And the first and second terminals 22 and 23 protrude forward from the connecting ends 24a and 25a.

A pair of protrusions 25 are formed on both sides of the lower surface of the movable case 20 and a spring groove 26 is formed at the center of the movable case 20 to receive the spring 25a.

A first fixed terminal 31 is provided around the first and second movable terminals 24 and 25 at both sides of the first fixed terminal 31. The first and second fixed terminals 31, 32 and 33 are spaced apart from each other and a lamp terminal 37 to which a lamp 37a is connected so as not to interfere with the first, second, and third fixed terminals 31, 32, (30) is in contact with the substrate (38).

That is, the lamp 37a always emits light. When the movable case 20 is not operated, the first movable terminal 24 contacts the first and second fixed terminals 31 and 32 to energize the current, The first movable terminal 24 is short-circuited during the pushing operation of the case 20 and the second movable terminal 25 contacts the first and third fixed terminals 31 and 33 to energize the current, The second movable terminal 25 is short-circuited and is energized through the first movable terminal 24 by the re-pushing operation of the first movable terminal 20.

The operation and effect of the present invention constructed as described above will be described below.

1 to 16, the switch 100 is configured such that one end of the stopper 11 is inserted into the fitting end 10b of the case 10 and the other end is directed toward the inside of the case 10 .

The first, second and third fixed terminals 31, 32 and 33 and the lamp terminal 37 are provided on the movable case 20 so as to be in contact with the substrate 38, (10).

The movable case 20 is coupled to the inside of the case 10 with the spring 25a engaged with the protrusion 25 of the movable case 20 or with the spring 25a fitted into the spring groove 26, And the other end of the latching hole 11 is inserted into the inside of the square frame 21a of the latching part 21. [

At this time, a separate power source is supplied to the lamp terminal 37 of the movable case 20 so that the lamp 37a is always lit.

It is preferable that the knob 201 for the push operation is coupled to the upper portion of the movable case 20 and the light of the lamp 37a is projected to the knob 201. [

When the movable case 20 is not operated, the first movable terminal 24 contacts the first and second fixed terminals 31 and 32, Supply current as a means for operation.

On the other hand, when the movable case 20 is pushed, the first movable terminal 24 is short-circuited and the second movable terminal 25 is brought into contact with the first and third fixed terminals 31 and 33, Lt; RTI ID = 0.0 > 38 < / RTI >

On the contrary, the second movable terminal 25 is short-circuited by the re-pushing operation of the movable case 20 and is energized through the first movable terminal 24. [

At this time, when the knob 201 is pressed, the movable case 20 is pressed together so that the stopper 11 moves upward along the first passage 21c in the square box 21a, When the knob 201 is released from the pressure, the latching hole 11 is engaged with the latching groove 21d of the latching end 21b, 25a so as to maintain the pressed state.

The first movable terminal 24 is brought into contact with the first and second fixed terminals 31 and 32 by the pressing operation of the movable case 20 and is moved down while moving the contact, (25) is in contact with the first and third fixed terminals (31, 33).

When the knob 201 is re-pressurized, the movable case 20 is pressed together and the latching hole 11, which has been hooked in the latching groove 21d of the latching end 21b, The movable case 20 moves upward due to the elastic force of the spring 25a when the force for pressing the knob 201 is released, The hooking hole 11 moves along the second passage 21g and then moves while changing its direction while contacting the third guide end 21h to be positioned at the center of the lower end of the hooking end 21b and the square frame 21a do.

At this time, the second movable terminal 25 is brought into contact with the first and third fixed terminals 31, 33 by the re-pressing operation of the movable case 20, The terminal 24 is brought into contact with the first and second fixed terminals 31 and 32.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Various changes and modifications may be made by those skilled in the art.

10: Case 10a: Wall
10b: Tightening end 11:
20: movable case 20a: terminal groove
21: engaging portion 21a:
21b: engaging step 21c: first passage
21d: engaging groove 21e: first guide end
21f: second guide end 21g: second passage
21h: third guide stage 22: first terminal
23: second terminal 24: movable terminal
24a: connection end 25: projection
25a: spring 26: spring groove
30: Terminal case 31: First fixed terminal
32: second fixed terminal 33: first connection terminal
34: second connection terminal 35: first terminal groove
36: second terminal groove 37: lamp terminal
37a: lamp 38: substrate
100: Switch 201: Knob

Claims (4)

In the push switch,
A diaphragm type stopper 11 for pivotally moving left and right is formed on the inner surface of the opposite side wall of the case 10,
A V-shaped engaging portion 21 is formed in the rear surface of the case 10 and the engaging portion 11 is engaged and disengaged by a push / re-push operation, and the engaging portion 21 The first and second movable terminals 24 and 25 formed with the first and second terminals 22 and 23 are formed horizontally and spaced apart from the movable case 20,
The first and second fixed terminals 31 and 32 are provided around the first and second movable terminals 24 and 25 at both sides of the first and second fixed terminals 31 and 32, The terminal case 30 having a lamp terminal 37 to which a lamp 37a is connected so as not to interfere with the first, second, and third fixed terminals 31, 32, Is made to be in contact with the substrate 38,
The lamp 37a emits light at all times and the first movable terminal 24 contacts the first and second fixed terminals 31 and 32 when the movable case 20 is not operated, The first movable terminal 24 is short-circuited and the second movable terminal 25 is brought into contact with the first and third fixed terminals 31 and 33 to energize the current, And the second movable terminal (25) is short-circuited to be energized through the first movable terminal (24). The movable case (20) according to claim 1, wherein a pair of projections (25) on which a spring (25a) is fitted are formed on both sides of a lower surface of the movable case (20), and a spring groove (26) Is formed on the surface of the substrate (1). The portable terminal according to claim 1, wherein the movable terminal (24) is inserted into the terminal groove (20a) of the movable case (20) with a connection end (24a) connecting the first and second terminals (22, 23) Wherein the first and second terminals (22) and (23) protrude forward from the connecting end (24a). 2. The apparatus according to claim 1, wherein the engaging portion (21) is formed with a V-shaped engaging step (21b) at the center of the square frame (21a) A first guide end 21e for guiding the stopper 11 to the stopper groove 21d of the stopping end 21b is formed on the upper side of the one passage 21c, A second guide end 21f for guiding the sphere 11 for releasing from the stop groove 21d is formed and the second passage 21g in which the stopper 11 descends to the other side of the stopping end 21b , And a third guide end (21h) for guiding the stopper (11) to the lower center of the square frame (21a) is formed at the lower end of the second passage (21g).

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