KR200238844Y1 - Waterproof Push Button Switch - Google Patents

Abstract

The present invention relates to a waterproof switch, a push button switch consisting of a reciprocating push button 110, and a socket 120 for supporting the same, the reed switch 130 is turned on / off by a magnetic force and The outer periphery of the coated wire soldered in this way is covered with a heat shrink tube 140 to be completely shielded from the outside and inserted into the lower part of the socket 120, and a magnet of a predetermined size at the inner end of the push button 110. 150, but the reciprocating distance of the push button 110 is a distance that allows the magnet 150 to turn on / off the contact of the reed switch 130, so that a short is not generated by water or dust. By doing so, it can be used safely in a lot of water.

Description

Waterproof Push Button Switch

The present invention relates to a waterproof push button switch, in particular, a reed switch that opens and closes the flow of current by on / off contact by magnetic force, and applies a magnet for driving the same to a known push button switch, with a reed switch and an electric wire. The present invention relates to a waterproof push button switch that completely blocks the outer circumference of a connection using a heat shrink tube to be waterproof and dustproof.

In general, in places with a lot of moisture and water, such as bathrooms, electrical short circuits caused by moisture and water, and breakdown of electric appliances and electric shocks are frequently generated. In order to prevent this, much attention is paid to waterproofing.

Accordingly, a switch having a waterproof function has been developed, and an example thereof will be briefly described with reference to the accompanying drawings.

Figure 1a is an exploded perspective view showing a conventional waterproof switch, Figure 1b is a view showing the assembled state of Figure 1a.

In the conventional waterproof switch, a switch 2 is installed on a substrate 1, and a pressing part 3 is installed at the center of the switch 2, and a rotating part is provided on the outer peripheral surface of the pressing part 3 on the switch 2. 4), a first waterproof boss 7 protruding on the operation panel 5 and having an upper hole 6 is inserted into the outer peripheral surface of the rotary part 4 on the switch 2, and the operation panel 5 In order to block the flow of water that is seated on the surface of the operation panel (5) on the operation panel cover 8) is projected downward to form a second waterproof boss 10 having an insertion hole (9), the second One side of the waterproof boss 10 is formed with a discharge hole (11) for draining the water accumulated in the second waterproof boss (10).

In addition, the rotation button 12 is inserted into the insertion hole 9 of the operation panel cover 8 so that the assembly piece 13 formed at the center of the lower end is seated on the surface of the rotation part 4 of the switch 2, and the rotation is performed. An inner circumferential surface of the button 12 is formed with a drip groove 14 for containing water to be penetrated, and an outer circumferential surface of the upper center of the rotary button 12 is inserted to prevent water in the drip groove 14 from penetrating upward. A watertight jaw 16 having a ball 15 is formed, and a plurality of discharge holes 17 are formed at the lower portion of the drip groove 14 to drain water accumulated in the drip groove 14.

Then, the assembly piece 19 and the pressing piece 20 formed at the lower end of the push button 18 are inserted into the insertion hole 15 formed in the waterproof jaw 16 of the rotary button 12 to press on the switch 2. It is configured to be seated on the side (3).

As shown in FIGS. 1A and 1B, the waterproof switch configured as described above penetrates between the push button 18 and the rotary button 12 when water penetrates between the push button 18 and the rotary button 12. Water enters the drip groove 14 between the upper outer circumferential surface of the rotary button 12 and the waterproof jaw 16 formed on the outer surface of the upper center, and the incoming water no longer penetrates inside due to the waterproof jaw 16. It is discharged to a plurality of discharge holes 17 formed in the lower portion of the drip groove 14 and protrudes downward of the first waterproof boss 7 and the operation panel cover 8 protruding from the upper portion of the operation panel 5. It enters between the second waterproof boss 10.

Thereafter, the incoming water is blocked by the first waterproof boss 7 of the operation panel 5 and thus cannot penetrate into the inside any more, and the discharge hole formed at one side of the third waterproof boss 10 of the operation panel cover 8 is removed. By being discharged to (11) and discharged out again along the discharge flow path formed in the operation panel (5), it is possible to block the external water flow into the switch (2) and the substrate (1).

As described above, the conventional waterproof switch has a water gutter groove 14 and a discharge hole 11, 17 for guiding the water soaked between the push button 18 to prevent water from seeping into the switch (2). Since the molding process is required, there is a complicated problem, in order to allow the water to fall into the drip groove 14, the push button 18 should be formed larger than the waterproof jaw 16 formed in the center of the drip groove 14, drip groove In order to guide the water dropped to (14) to the discharge hole (11) (17), the operation panel cover (8) having the first waterproof boss (7) formed in the center and the second waterproof boat (10) formed (8) Since the composition is very complicated, the molding process is difficult, and the production cost increases due to these problems. In addition, the waterproof switch can be waterproof in liquid water, but the moisture in the gaseous state can not be blocked, so in a humid place such as a bathroom, moisture penetrates into the gaps between the switch components, causing the switch to malfunction. There was a problem.

In addition, referring to FIG. 2, according to another embodiment of the conventional waterproof switch, the contacts 32, 33, 34 are provided therein, and the contacts 32, 33, 34 are electrically connected to each other. Insert and intersect the heat-resistant film 39 between the lower mounting base 36 on which the spring 35 for connecting / disconnecting is installed and the upper mounting base 38 on which the pressing plate 37 is installed, and on the lower portion of the heat-resistant film 39. When the spring (37) is pressed, the spacer (40) is attached by adhesive to allow the spring (35) to be connected to all the contacts (32) (33) and (34). Repeated operation of the heat-resistant film 39 and the spacer 40 flows up and down as the adhesive portion of the edge is separated and its position is somewhat variable, so the contact of the contacts 32, 33, 34 and the spring 35 If a defect is generated, and water penetrates into the gap between the upper and lower mounts 36 and 38, it cannot be prevented. There is a problem.

In addition, in the case of a switch that is not generally exposed to water, dust or the like may enter the switch socket to cause a malfunction of the switch contact.

An object of the present invention for solving the conventional problems as described above is to coat the heat shrink tube on the outer periphery of the reed switch and the wire connected to the solder and integrally mounted on the bottom of the known push button switch, the contact of the reed switch To provide a waterproof push button switch that is attached to the end of the known push button by driving a magnet to drive the push button reciprocating a predetermined distance to turn on / off the contact of the reed switch, to be waterproof and dustproof have.

1 is an exploded perspective view showing a waterproof push button switch according to the present invention

Figure 2 is an assembled state of Figure 1

3 is a cross-sectional view taken along the line A-A of FIG.

Explanation of symbols on the main parts of the drawings

10: push button 20: socket

30: reed switch 40: heat shrink tube

50: magnet

A feature of the present invention for solving the above object is a push button switch composed of a push button 110 and a socket 120 for supporting a reciprocating motion, the contact switch is turned on / off by a magnetic force ( 130 and the outer circumference of the sheathed wire 132 soldered thereto are covered with a heat shrink tube 140 to be completely shielded from the outside and inserted into the lower part of the socket 120, and the inner end of the push button 110 is closed. Mount the magnet 150 of a predetermined size, the reciprocating movement distance of the push button 110 is such that the distance that allows the magnet 150 to turn on / off the contact of the reed switch 130.

The configuration of the present invention as described above will be described in more detail below with reference to the accompanying drawings.

3 is an exploded perspective view illustrating a push button switch for waterproofing according to the present invention, FIG. 2 is a perspective view illustrating an assembled state of FIG. 1, and FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2.

First, referring to FIGS. 3 to 5, the structure of the socket 120 in which the push button 110 and the reed switch 130 are installed will be described. The reed switch 130 coated by the heat shrink tube 140 at the center thereof will be described. A lower panel 122 having an insertion hole 122a having a predetermined diameter (corresponding to the outer diameter of the heat shrink tube coated on the outer circumference of the reed switch) and being integrally mounted and fixed to the lower panel 122 to be inserted A circular groove 124a having a predetermined diameter is formed, and an upper panel 124 and a guide wall 124b having a guide wall 124b having a screw groove formed on an outer circumference protruding upward of a predetermined length around the groove 124a. Another screw groove corresponding to the screw groove of the lower end is formed in the inner circumference is composed of a fixing cap 126 formed in the upper insertion hole 126a having a diameter smaller than the inner diameter.

In addition, the push button 110 is formed to have an outer diameter somewhat smaller than the diameter of the groove 124a so that the push button 110 can be inserted into the inner circumference of the groove 124a of the upper panel 124, the magnet 150 in the center of the inner end Is mounted and a ring-shaped groove 112 for the spring 160 is inserted around the magnet 150 is formed. And in the middle of the push button 110 in conjunction with the upper wall surface defining the insertion hole 126a of the fixing cap 126 to form an annular stopper 114 for controlling the upward movement distance of the push button 110, The position at which the stopper 114 is formed is such that the contact of the reed switch 130 is turned off when the magnet 150 moves upward.

In the above configuration, since the heat shrink tube 140 is contracted when it receives heat from the outside, the heat shrink tube 140 is coated on the outer circumference of the reed switch 130 and then heat is applied to the outer circumference and the heat shrink tube of the reed switch 130. It is to be precisely coupled between the inner circumference of the 140.

Looking at the assembly structure of the waterproof push button switch according to the present invention configured as described above with reference to Figures 4 to 5, the outer periphery of the heat shrink tube 140, the inner circumference of the insertion hole (122a) of the lower panel 122 After inserting the reed switch 130 coated with the both ends of the insertion hole (122a) is sealed with epoxy resin or the like so that dust or water is not inserted into the inner circumference of the insertion hole (122a). In addition, the upper panel 124 is integrally coupled to the upper side of the lower panel 122, and the push button 110 in which the spring 160 is inserted into the inner circumference of the groove 124a of the upper panel 124 is inserted. Then, the fixing cap 126 is screwed to the outer circumference of the guide wall 124b.

According to the present invention configured as described above, the contact of the reed switch 130 is positioned inside the vacuum tube, and the heat shrink tube 140 contracted when the outer circumference of the connection portion of the reed switch 130 and the wire 132 is heated. Since it is completely shielded from the outside, a short caused by water or dust is not generated.

According to the waterproof push-button switch according to the present invention as described above, the contact of the reed switch is located inside the vacuum tube, and completely shielded from the outside by a heat shrink tube that is contracted when the outer periphery of the connection portion of the lead switch and the electric wire receives heat This prevents short circuits caused by water or dust, which prevents accidents caused by electricity in baths and water with a lot of water, and prevents the deterioration of characteristics of household appliances caused by water and dust. have.

Claims (1)

In the push button switch composed of a push button 110 and a socket 120 for supporting the reciprocating movement, Cover the outer periphery of the reed switch 130 and the sheathed wire connected to the solder by the magnetic force with the heat shrink tube 140 to be completely shielded from the outside and inserted into the lower inside of the socket 120, Mount a magnet 150 of a predetermined size on the inner end of the push button 110, the reciprocating distance of the push button 110 so that the magnet 150 can turn on / off the contact of the reed switch 130 Waterproof push button switch characterized in that the distance to be.