KR20040045676A - Push button switch - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push-actuated switch, and in particular, when the actuating knob is pressed, the actuating means provided in the switch housing is caught by the guide groove and the engaging protrusion formed on the actuating knob to move along the guide groove to catch the actuation knob. It is about a push-actuated switch to be placed.

The push-actuated switch according to the present invention is configured as described above, the push-actuated switch according to the present invention is inserted into a guide groove formed in the actuating knob so that the actuating knob moves up and down as the actuating knob moves up and down. And an elastic means such that the bent portion is in close contact with the guide groove while the bent portion is formed at the end of the actuating pin, thereby enhancing the impact strength of the actuating pin when the actuating pin operates in the guide groove. In addition, by forming a bent portion bent in a portion of the guide groove, when the operation pin moves the guide groove, there is an effect that can enhance the operating feeling that the user feels.

Description

Push-actuated switch {push button switch}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push-actuated switch, and in particular, when the actuating knob is pressed, the actuating means provided in the switch housing is caught by the guide groove and the engaging protrusion formed on the actuating knob to move along the guide groove to catch the actuation knob. It is about a push-actuated switch to be placed.

1 is a partially exploded perspective view of a conventional push-actuated switch according to the prior art, and FIG. 2 is a reference diagram showing an operating state of the push-actuated switch shown in FIG. 1.

As shown in FIG. 1, the push-actuated switch according to the related art has a switch housing 10 having an opening 11 formed thereon, and an operating knob inserted into the opening 11 and reciprocating up and down to operate the switch. 20, a lower case 30 coupled to the lower portion of the switch housing 10 and provided with an elastic body 50 providing an upward force to the operation knob 20, and the operation knob 20. The guide groove 22 formed on the lower side and the locking protrusion 24 is formed at the center, and when the operation knob 20 is operated up and down, the guide groove 22 is reciprocated left and right along the guide groove 22 to the locking protrusion 24. It consists of an actuating plate 40 in which the actuation position is determined by being engaged or released.

Here, a terminal terminal (not shown) connected to an external switch circuit is installed inside the switch housing, and an end portion of the terminal terminal is exposed to the outside of the switch housing 10.

In addition, a knob guide rail 14 for guiding the up and down reciprocating motion of the operation knob 20 and a plate guide rail 12 for guiding the left and right reciprocating motion of the operation plate are respectively located inside the switch housing 10. Is formed.

In addition, the one side of the lower end of the operation knob 20, the operation knob 20 is moved up and down, sliding contact and spaced apart from the terminal terminal (not shown) and the fitting protrusions 29 formed on both sides of the operation knob 20 Contact terminals 26 are inserted into and elastically supported, and knob guide protrusions 27 corresponding to the knob guide rails 14 are formed on both rear sides of the operation knob 20.

On the other hand, the center of the operation plate 40 is inserted into the guide groove 22, when the operation knob 20 reciprocates up and down, it moves along the guide groove 22 and is moved left and right and the locking projection 24 Transfer projections 42 to be caught or released) is protruding, and plate guide projections 44 corresponding to the plate guide rails 12 are formed at the upper and lower ends of the operation plate 40. .

Looking at the operation of the prior art configured as described above with reference to Figures 1 and 2 as follows.

Initially, when the push actuation switch is not actuated, the actuation knob 20 is in a raised position in the switch housing 10 and the feed projection 42 formed in the actuation plate 40 is shown in FIG. 2. As shown, it is placed at the first point (a) of the guide groove.

On the other hand, in order to operate the push operation switch, when the operation knob 20 is pressed, the operation knob 20 is lowered, the transfer projection 42 along the guide groove 22, the guide groove 22 It moves to the second point (b) of the, where the operating plate 40 is only left and right conveying movement.

When the operation knob 20 lowered to the end at the second point b is released, the operation knob 20 is raised by the action of the restoring force by the elastic body 50 and the operation plate 40 is transferred to the right side. In addition, the transfer protrusion 42 is locked to the locking protrusion 24 at the third point c to restrict the return of the operation knob 20 to the initial position, so that the operation knob 20 is pressed. The switch is in the operating position.

Here, the contact terminal 26 provided in the operation knob 20 and the terminal terminal (not shown) provided in the switch housing 10 are contacted or spaced to cause a change in the external switch circuit.

In order to deactivate the push operation switch, when the operation knob 20 is pressed once more, the operation knob 20 is lowered and the operation plate 40 is moved to the right and the transfer protrusion 42 is moved. Is moved to the fourth point d of the guide groove 22 so that the operation knob 20 is no longer lowered.

At this time, when the operation knob 20 is released, the operation knob 20 is raised by elasticity and the operation plate 40 is moved to the left side, so that the transfer protrusion 42 is formed by the guide groove 22. Moved to one point a, the operation knob 20 is returned to the initial position and the push operation switch is deactivated.

However, the conventional push operation switch is weak in the impact strength of the transfer projection 42 protruding from the operation plate 40, and when the operation knob 20 is forcibly operated, the transfer projection (by the instantaneous load) 42) there is a problem that the push operation switch malfunctions because of broken or damaged.

In addition, when the right and left conveyance of the operation plate 40 is not smooth, there is a problem that the transfer projection 42 in the reverse direction in the guide groove 22 does not operate and release the push operation switch.

The present invention has been made to solve the above problems of the prior art, is inserted into the guide groove formed in the operation knob of the push operation switch is inserted into the guide groove of the operation means is moved along the guide groove as the operation knob is raised and lowered The purpose is to enhance the impact strength and to improve the feeling of operation in which the actuation knob is engaged or released by the actuation means.

1 is a partially exploded perspective view of a general push-actuated switch according to the prior art,

2 is a reference diagram showing an operating state of the push-operated switch shown in FIG.

3 is a partially exploded perspective view showing an embodiment of the push-actuated switch according to the present invention;

4 is a reference diagram showing an operating state of the push-operated switch shown in FIG.

<Explanation of symbols on main parts of the drawings>

60: switch housing 40: operation pin support plate

42: operation pin 42a: bend

44: elastic pin 70: operating knob

71: through hole 72: guide groove

74: engaging projection 76: contact terminal

79: fitting protrusion 80: lower case

81: opening hole 82: elastic fitting projection

100: elastomer

The push-actuated switch according to the present invention for solving the above problems is a switch housing provided with a terminal terminal connected to an external switch circuit, and an operation in which a contact terminal inserted into the switch housing is linearly reciprocated and in contact with the terminal terminal. An elastic means provided between the knob, the switch housing and the operation knob to provide an elastic force to the operation knob, a guide groove provided at an outer side of the operation knob and having a locking protrusion at the center thereof, and one end of the guide groove. According to the reciprocating motion is caught or released by the engaging projection characterized in that consisting of the operating pin is determined the switch operating position.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 3, the push-actuated switch according to the present invention includes a switch housing 10, an operation knob 70 inserted into an upper portion of the switch housing 10 and reciprocated up and down to operate the switch, and A lower case 80 coupled to a lower portion of the switch housing 10 and provided with an elastic body 100 providing an upward force to the operation knob 70, and formed on a lower side of the operation knob 70. When the guide groove 72 with the locking projection 79 formed at the center and the operation knob 70 are operated up and down, the guide groove 72 is reciprocated left and right along the guide groove 72 and the switch operating position is determined by being caught or released by the locking projection. It is composed of the operation pin 42 and the operation pin 42 is installed and the operation pin support frame 40 is fastened to the opening formed in the side of the switch housing 10.

Here, a terminal terminal (not shown) connected to an external switch circuit is installed inside the switch housing 10, and an end portion of the terminal terminal is exposed to the outside of the switch housing 10.

In addition, the inside of the switch housing 10 is formed with a guide rail (not shown) for guiding the vertical reciprocating motion of the operating knob 70 in the vertical direction.

In addition, a fitting protrusion for inserting and contacting the contact terminal 76 which is in sliding contact with and spaced apart from the terminal terminal (not shown) while the operating knob 70 is operated up and down at one side of the lower end of the operating knob 70. 79 is formed, and the guide furnaces 77 corresponding to guide rails (not shown) formed in the switch housing 60 are provided at both rear sides of the lower end of the operation knob 70.

In addition, a through hole 71 is formed in the operation knob 70 in a vertical direction of the operation knob 70 so that a device such as a lamp can be mounted above the operation knob 70.

On the other hand, the actuating pin is bent portion (42a) of the '??' type is formed at both ends and one end is inserted into the pin insertion hole (not shown) formed in the upper center of the actuating pin support frame 40 is coupled, At this time, the pin insertion hole (not shown) is formed larger than the diameter of the operation pin 42 so that the other end of the operation pin 42 can move back and forth, left and right.

In addition, the other end of the actuating pin is exposed to an opening formed in the center of the actuating pin support frame 40 so that the bent portion is inward of the switch housing 10 and the guide groove 72 formed in the actuating knob 70. The bent portion is arranged to be seated on.

In addition, in the actuating pin support frame 40, the elastic pin 44 is provided with the actuating pin 42 so that the bent portion 42a of the actuating pin 42 is provided with elasticity in the direction of the guide groove 72. It is installed to intersect with).

Here, the operation pin support frame 40 is fastened to the opening formed in the side of the switch housing 10, when the operation knob 70 is inserted into the switch housing 10, the bent portion (42a) is It is seated in the guide groove 72 formed in the operation knob (70).

In addition, when the actuating pin 42 moves along the guide groove 72, the inclined portion that is bent in some sections is formed on the bottom surface of the guide groove 72 so that the actuating pin 42 does not return to the non-operation direction.

On the other hand, an opening hole 81 is formed on the bottom of the lower case 80, and the elastic body 100 is formed at an elastic insertion hole (not shown) formed at both sides of the lower surface of the operation knob 70 on both sides of the opening hole 81. One end of the elastic body fitting protrusion 82 is inserted into which the other end can be fitted is formed.

The operation of the push switch according to the present invention configured as described above will be described with reference to FIGS. 3 and 4.

First, in order to operate the push operation switch, when the operation knob 70 is pushed downward, as shown in FIG. 4, the bent portion 42a of the operation pin 42 is connected to the guide groove 72. While being in close contact with the ground at the first point (e), while the operation knob 70 is lowered and the operation pin 42a is rotated left and right, the ground point in the guide groove 72 of the operation pin 42a is It is moved to the second point f along the guide groove 72.

At this time, when the lower end of the operation knob 70 reaches the lower case 80 and is no longer lowered and the force applied to the operation knob 70 is removed, the lower case 80 and the operation knob 70 are removed. The restoring force to rise is applied to the operation knob 70 by the action of the elastic body 100 provided between.

When the actuation knob 70 is raised due to the restoring force, the ground point in the guide groove 72 of the actuation pin 42 is moved along the guide groove 72 to the third point g. End of the bent portion (42a) of the actuating pin 42 is caught by the engaging projection is limited that the actuating knob 70 is fully raised to the initial position.

Here, the ground point of the actuating pin 42 moves from the second point f to the third point g, at the second point f the third point g and the first point e. ), A bent incline with a lower surface of the guide groove 72 going to the first point (a) than a bottom surface going to the third point (g) is formed at the diverging part to the operating pin 42a. It is not only prevented from going back to the first point (e) but also gives a feeling of operation in operating the operation knob 70.

In this way, when the ground point of the actuating pin 42 is located at the third point g of the guide groove 72, the contact terminal 76 provided on the actuating knob 70 and the switch housing 10 are provided. Terminal terminals (not shown) provided in the contact or spaced to cause a change in the external switch circuit is determined the position of the operation knob 70 to operate the push operation switch.

Again, to deactivate the push operation switch, pressing the operation knob 70 again, the operation knob 70 is lowered, the ground point of the operation pin 42 and the guide groove 72 is the guide The third point (g) of the groove (72) is moved to the fourth point (h), wherein at the bottom between the third point (g) and the fourth point (h) bent inclined portion is formed The operation of the operation knob 70 can feel the operation.

The ground point moved to the fourth point (h) is moved to the first point (e) which is the initial position with the operating knob 70 being raised by the restoring force applied to the operating knob 70.

In this case, the operation knob 70 is returned to the initial position to release the operation of the push operation switch.

The push-actuated switch according to the present invention configured as described above is inserted into a guide groove formed in the operation knob, and as the operation knob is raised and lowered, the operation means moved along the guide groove as the operation pin and the operation pin. An elastic means is formed at the end of the bent portion and the bent portion is in close contact with the guide groove so as to enhance the impact strength of the actuating pin when the actuation pin is operated in the guide groove, and a part of the guide groove. By forming a bent portion bent in the section, when the operation pin moves the guide groove, there is an effect that can enhance the operating feeling that the user feels.

Claims (5)

A switch housing provided with a terminal terminal connected to the external switch circuit; An operation knob inserted in the switch housing and provided with a contact terminal for linear reciprocation and contacting the terminal terminal; Elastic means provided between the switch housing and the operation knob to provide an elastic force to the operation knob; A guide groove provided at an outer side of the operation knob and having a locking protrusion at a central portion thereof; A push-actuated switch, comprising: an operation pin having one end reciprocated along the guide groove and being engaged with or released from the locking protrusion and determining a switch operation position. The method of claim 1, And a through hole formed in the actuating knob in a reciprocating direction of the actuating knob. The method of claim 1, A push-actuated switch on the bottom of the guide groove, wherein the inclined portion is bent in a section to enhance the operation of the operation knob without the operating pin backing from the guide groove. The method of claim 1, One end of the actuating pin is push-actuated switch, characterized in that formed to be in close contact with the guide groove. The method according to claim 1 or 4, One end of the actuating pin is push-actuated switch, characterized in that formed to be bent in the direction of the guide groove so that the actuating pin is not separated from the guide groove.