TWI270909B - Push switch - Google Patents

Abstract

To provide a push switch that can surely prevent leakage due to penetration of rainwater or the like and enhance reliability while keeping operability. This push switch has a button 3 that is made to come close to a base 2 on which a contact is formed, and a return spring 4 that energizes the button 3 toward the direction away from the base 2. The push switch is equipped with a seesaw 5 that is rockable around a fulcrum 5c formed in the button 3. The push switch has respective movable contacts 5a, 5b formed at both ends of the seesaw 5 and is assembled on such a state that one fixed contact 2a is pressed to the movable contact 5a in one end side by the return spring 4. The seesaw 5 is rocked by the approaching motion to the base 2 of the button 3, and the power is supplied by bringing the movable contact 5b on the other end side into contact with the other fixed contact 2b.

Description

1270909 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) [Technical Field of the Invention] The present invention relates to a bicycle switch or the like of a vehicle, and has a button switch. Tou: a < 杈 [practice technology] Second = words, the two-wheeled switch of the automatic two-wheeler, as shown in Figure 9, the shape is buckled on the switch box of the handle' its structure is when the rider needs Press. In the past, such a residual pad switch is mainly composed of 102 / and ancient: the base portion 1〇1 has a fixed contact 103; the button portion <1 'eight has a movable contact 104, as shown in FIG. The rotation shaft 1 〇 28 is pivoted from the mouth, and the spring 105 is returned to cause the button portion 1 〇 2 to bounce off the base portion ι 〇. According to the above configuration, when the rider presses the button portion 1〇2, the button portion 104, that is, the elastic force of the ί=moving cymbal 1〇5, approaches the base portion 101, and the movable contact 104 contacts the fixed contact 1〇. 3. The wiring connected to the side of the fixed contact ι〇3 is J, and the wiring connected to the side of the movable contact 1〇4, so that the vehicle's horn is not sounded back. That is, the wiring of one side is directly connected. To the fixed contact 103, = the other 3 5 wiring is connected to the base end portion 1 0 5a of the return spring 1 〇5, and the electrical connection is caused by the return spring 1 〇5. When the user presses the button of the button 1 〇 2 to leave, the button portion 1 〇 2 is turned back to the original position due to the elastic force of the rebound spring 2 j. Thus, the switch having the firm type contact is called a push button switch. [Problem to be Solved by the Invention] However, in the case of the conventional push button switch described above, the gap between the fixed contact point = 3 and the base end portion 1 〇 5 & J is easy to leak when water such as raindrops is immersed in the base part 1 〇1

1270909

V. INSTRUCTION OF THE INVENTION (2) ^ ^ ^ That is, the water immersed in the abutment portion 101 is formed there if the base end portion 105a of the reversing elastic crest 105 and the fixed contact 103 are bridged. Electrically conductive, and leakage occurs. ^ ' The water immersed in the abutment portion 101 is not easily detached from the j base port 〇 1 〇 1 due to its surface tension. For this reason, unless it is subjected to extreme vibration or bursting over a long period of time, it will accumulate in the base portion i 0 J, which may impair the reliability of the button. Furthermore, since the electrical connection is made by the return spring 105, in order to adjust the current capacity of the t-switch, the wire diameter of the spring 〇 5 must be bolded, and the U ϊ i is considered. (5), the button switch must be switched by the rider I 2, 1 force, if the spring force of the spring is too large, the pressure will be increased by a larger pressing force on the button, which will increase the negative action. The operability is deteriorated. In the light of these circumstances, it is provided that it is operational and can be prevented from being properly protected. Improve reliability. > Axe / and eight of them become leaks and mention [method of solving problems] The invention of the item is to form a sub-joint contact with at least two fixed contacts. By approaching the abutment, the person forms a button portion with a movable point and is turned on; I 1 ^ Point contact with the aforementioned fixed spring. The special function of the button switch is: the rebound of the rebound from the base portion is the pivot point of the button portion and can be moved: = the plate portion is formed on the aforementioned movable contact point, and both ends of the 1% ^^ plate portion Each of the assembled states is formed by the aforementioned return spring

C:\2D-OODE\91-07\91108678.ptd Page 5 1270909 V. INSTRUCTIONS (3) _ 2 The movable contact at one end of the plate is pressed to the front contact and repeatedly, and because of the aforementioned button pair The fixed base of the base two f is shaken, causing him to make the front joint. The contact point of the contact point to the other side is fixed according to the structure, and the movable contact point which is pressed to the end side of the button is squeezed, that is, the fixed part of the plate portion is removed to the side of the η a ^ ,, The aunt swayed, and the side of the slab was cut at the other side of the shackle and the other side of the shackle was cut and cut. "If the contact is made, the spring force of the spring will be pressed and the pressure of the button will be squeezed. The button is moved away from its position of a plus =. # Namely, the power of the switch: base: 'The return point is transmitted to the one end side of the seesaw part, and the movable point of the fixed side of the side is fixed. The base is spliced, and then transmitted to the swash plate, and the spring is not turned on. The side of the spoon is fixed and the contact is turned on. The invention of claim 2 is formed by the base portion. In the special charge, the special mechanism is provided with a blocking mechanism, and the button portion can be connected to the convex portion and the second convex portion ′, and is formed by the connection of the button switch 3. The elastic force of the spring is reversed. When the button button is squeezed, it is restricted by the convex portion to move further away: the crotch portion, the contact portion is the contact Applying for the invention of the third paragraph of the patent scope, the state of the original position is straight and back. The hole formed by the side of the section, the 1st and 8th temples of the temple are equipped with the above-mentioned button part. The marble which is extended by the gamma, and the "2 5 this" (the shell J' button is not operated, so that the marble has a concave portion, when the button portion is close to the base portion , the hole is kept at a predetermined amount to protrude 'and the ball is pushed into the hole before. Page 6 C:\2D-C0DE\91-07\91108678.ptd 1270909 V. Invention Description (4) According to this, "σ When the pressing force is applied to the button portion, the marble ball held in the concave portion is pushed into the hole by the side wall, and after the button switch operation, the marble ball is held in the concave portion, and the marbled ball has a predetermined amount protruding from the concave portion. [Embodiment of the Invention] The embodiment of the present invention will be specifically described with reference to the drawings. The push button switch according to the present embodiment is formed as a switch box fixed to the handle as a ring for the automatic two-wheeled vehicle. On the top, the rider knows that the current from the battery is turned on. ^ Φ ^. The appearance of the push button switch 1 is as shown in Fig. 7, and is covered by the button portion 3 to cover the base portion 2. jff #switch 1, in Fig. 7 in Fig. 1 cross-sectional view) The ΪΓ/button unit 3, the return spring 4, and the sill portion 5 are configured such that the electric wires 6 connected to the battery (not shown) and the electric wires 7 connected to the horn/not are connected to each other. And α γ a 禾 图拉0 eight. j is connected and the electric power is supplied to the base portion 2 as a molded article of resin or the like, and "2a, 2b. One side of the fixed contact is formed on the upper side. The upper portion is slightly connected". Then, the wire 6' is connected at the same time, and the δ shape of the other side is the copper rivet 2 connecting the wires 7. The sintered silver is fixed on the right side of the same portion of the base portion 2, and the insertion of the rotary button portion 3 in the width direction is formed, so that the button is adjacent to the 3 2. That is, when the button portion 3 is pressed from above, 3 J is moved to the center to rotate, and the movable connecting shaft 8 of the jaw portion 5 is the upper fixed contact 2b. The movable contact 5b is transmitted to contact the base portion 2

C:\2D-00DE\91-07\9I108678.ptd Page 7 1270909 V. INSTRUCTIONS (5) Furthermore, the fixed contact 2b on the other side has an embossed surface on the surface (ie, the upper surface). . With such a shape, the contact with the movable contact 5b is performed at the protruding end of the uneven shape. Therefore, even if fine foreign matter such as dust adheres to the fixed contact 2b, the foreign matter adheres to the concave portion of the surface and can be maintained at the protruding end. Contact with the movable contact 5 b. Further, in the present embodiment, the fixed contact 2b on the other side has a concave-convex shape by embossing, but may be formed into a concave-convex shape of serrations, or may be formed by copying other irregularities. That is, the other side is fixed to the surface of the joint 2b to increase its roughness as long as its structure is maintained in contact with the movable contact 5b. Similarly to the base portion 2, the button portion 3 is formed of a resin molded product, and is rotated about the rotation shaft 8 as described above, so that the base portion can be accessed. Further, the button portion 3 is formed with a fulcrum 5c for swinging the dam portion 5 to support the dam portion 5 to be rocked. Further, the fulcrum 5c is preferably formed at a position where the dam portion 5 is supported in the vicinity of the longitudinal direction thereof. Further, in the button portion 3, the return magazine 4 is assembled, and one end side (the left end side in the same figure) of the seesaw portion 5 is biased to the other side of the fixed contact 2a side, and is pressed, and the button switch 1 is not operated. As shown in the figure, the movable contact 5a formed on the end side of the seesaw portion 5 is in a state of being in contact with the fixed contact on one side, and on the other hand, the movable contact formed on the other end side of the seesaw portion 5 is provided. 5b is in a state of being separated from the fixed contact 2b on the side thereof by a predetermined interval. Further, the upper surface of the side of the seesaw portion 5 is in contact with the inner peripheral surface of the button portion 3, so that the seesaw portion 5 is returned. The range in which the force of the moving spring 4 is shaken is limited.

1270909 V. INSTRUCTION OF THE INVENTION (6) The sill portion 5 is formed with movable contacts 5a and 5b at both ends in the longitudinal direction thereof, and the fulcrum 5c is pivoted as the button portion 3 rotates. Further, as shown in Fig. 4, the dam portion 5 is formed by bending and bending a predetermined shape of copper plate, and a convex contact movable contact 5a is integrally formed at one end side, and a copper rivet 5d is fixed to the other end side. The copper rivet 5 (1 is slightly rounded on the front end side, and the movable contact 5b made of silver is sintered and fixed. That is, the movable contact 5a on one side and the movable contact 5b on the other side become electric In the sexual connection state, when a current is applied to the movable contact 5a of the one side, the current can flow to the movable contact 5b on the other side. Further, the copper rivet 5d formed on the movable contact 5b on the other side is a pair of copper plates. 5e is riveted and fixed, and the two are easy to assemble and can be surely turned on. At the end of the base portion 2 (the left end side in Fig. 1), the convex portion g protruding from the side is integrally formed with the base portion 2 At the same time, the contact portion 10 under the convex portion 9 can be touched, and the button portion 3 is integrally formed, and the button portion 3 is buckled at a predetermined position during the non-operation time of the push button switch. Thus, the button portion 3 is pressed. After the horn is stopped, when the squeezing is stopped, the button is pressed due to the elastic force of the return spring 4 3 Rotating to the non-operating state, but the blocking mechanism formed by the convex portion 9 and the contact portion 1〇, that is, restricting the rotation of the non-operating state from a larger range. ^Progress, as shown in FIG. 5, in the base portion In the middle of the center, a hole for the marble ball 1 is formed on the side of the center, and a spring 1 2 and a marble ball 13 are assembled in the hole 11 for the marble. Further, when it is not in operation, a hole is formed corresponding to the position of the marble 13 (recessed portion) is formed on the side wall 15, and the side wall 15 is formed on the button portion 3. Further, the marble 13 is urged toward the direction in which the self-ballistic hole n protrudes (in the right direction in the drawing) due to the elastic force of the spring 12, The hole 丨 4 formed in the side wall 15 is smaller than the diameter of the marble 丨 3

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1270909 V DESCRIPTION OF THE INVENTION (7) Slightly smaller, the marble 13 will enter the predetermined size within the aperture 14. When the button portion 3 is rotated and the button portion 3 is rotated to approach the base portion 2, the side plate 5 is also moved downward. As shown in FIG. 6, the side wall 5 pushes the marble 13 into the marble for use. When the switch 1 is turned on, the knot feeling can be obtained. Further, the hole 14 of the yoke shape may be provided with a recess ("to keep the marble 13 held by a predetermined amount." Next, the function of the push button switch of the above structure will be explained. When the button portion 3 of the state is pressed from above, 卩3, that is, + is rotated about the rotation shaft 8, and is in the state shown in Fig. 2. That is, as the button portion 3 rotates, the side of the dam portion 5 is the other end side. (Same:) (4) The inner peripheral surface 33 of the button portion 3 is swayed by the fulcrum (four) axis, and the movable contact 5b formed on the side of the octagonal side contacts the other fixed contact 2b on the base portion 2 When the button 远3 is rotated far away, the side wall 15 extending from the button portion 3 is moved by the wall surface i formed by the side wall 15 to withstand the surface of the spring 12 The elastic force is pushed into the hole of the marble. The load pulled out of the bomb 14 has the function of the degree of the button switch J.

3 From the handcart/,, after the D eight powers up to make it scream, the rider leaves the button 3 from the button/, and the button portion 3 turns to I ί ί匕 because: the spring force of the spring 4 is turned:: The jaw portion 5 which is pressed at one end by the return spring 4 is also pivoted back to the original state by the branch "cinch 5c". Such a movable contact 5b is separated from the fixed contact 2b on the other side, and stops the second M 'The second electric power is used to 'return the spring 4 series', and the movable contact on the end side thereof is pressed against the other fixed contact 2b, which can always ensure the contact pressure between the contacts.

C:\2D-00DE\91-07\91108678.ptd Page 10 Ι2709Ό9 5. Inventive Note (8) The button unit 3 is also used to restore the spring. This will turn back to the bottom of the 10 contact projections 9! ^ The original button portion 3, which rotates in the state of the contact portion). In addition, it is pushed into the state of Fig. 1 (that is, in the original Π, in the next time, the marbles 13 of the hole / hole U are held again in the hole #士本p private day can be The state of the degree of the knot is given. The switch of the button is formed by the guide portion, and the movable contact w formed by the guide portion is immersed in the push button switch i through the seesaw portion 5 and is "5b". Avoid leakage due to rain or the like - leakage occurs while H water droplets are immersed in the fixed contact 2b on the side of 1; = (or the movable contact 5b on the other end side) and the other - point system The dimensions of the respective plate portions of the present embodiment (the two ends of the plate portion 5 are formed, so that the contacts can be separated from each other. Further, the distance between the contacts is set to avoid the leaky button WI for the seesaw The part 5 is rocking and conducting, so the button "passes UJ, stroke and corresponds to the A size between the contacts. ^ The reversing spring 4 of the button switch 1 of the ϊ ϊ ΐΓ 形态 并未 并未 并未 , , , , , , , , , Smaller people will not have a conduction effect, which is not suitable for 曰攸, and by miniaturizing the return spring 4, it can reduce the movement and make a choice of T7丄-贝何-i ^ The middle silver is sintered on the copper rivet, and the right switch is a current having a small current capacity, and silver is not required. - The above embodiment has been described. However, the present invention is not limited thereto, and the horn of the vehicle is not used. Other buttons such as a start switch or an overtaking flash, a search and a four-wheeled vehicle, etc., which have a crimping type contact, are also in the I, and the button portion is moved closer to the base portion 2, this embodiment, For the type of rotation, it is also applicable to other approaches that are close to the base portion 2 in a straight line.

1270909 Open form. [Effects of the Invention] Depending on the scope of the patent application, the contact can be immersed in rainwater, etc., so that it can be prevented from being applied for patents in a simple structure according to the patented range, that is, the contact convex portion. Obtaining the switch pitch, the comparison of the temple components, [the description of the component number] The first item & 龅 龅 , , , , , , , , , , , , , , , , , 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回 回;, in addition to the maintenance of the operation, the s temple / again into the leakage of electricity to improve reliability. J, the invention, after the button switch operation, touch 1 /, leave further, so that it returns to the original state, and form a blocking mechanism. According to the invention of the third aspect, the sliding of the marbles to the concave portion gives a more reliable feeling of the knot, and at the same time, the durability of the joint portion is improved by the resin.

1 push button switch 2 base portion 2a fixed contact 2b on one side fixed contact 2c on the other side copper rivet 3 presses the inner peripheral surface 4 of the ugly portion 3a, the spring 5 retracts the movable contact 5b on the one end side of the plate portion 5a End movable contact

Ι2709Ό9

V. Invention description (ίο) 5 c fulcrum 5d copper rivet 5 e copper plate 6, 7 wire 8 rotating shaft 9 convex portion 10 contact portion 11 marble hole 12 magazine 13 marble 14 hole (recess) 15 side wall 101 Abutment portion 102 according to the red portion 102a rotation axis 103 fixed contact 104 movable contact 105 return spring 105a base end portion C: \2D-C0DE\91-07\91108678.ptd page 13 Ι 2709 Ό 9 diagram simple description Figure 1 An upright cross-sectional view showing a push button switch according to an embodiment of the present invention in a non-operating state. This figure shows an oblique sectional view of the push button switch according to the embodiment of the present invention during operation. Fig. 3 is a schematic view showing a button fixed contact according to an embodiment of the present invention. Switch, the other side Fig. 4 is an upright cross-sectional view showing a relevant portion of the embodiment of the present invention.叔 button switch, its seesaw Figure 5 is a cross-sectional view taken along line V-V of Figure 1. In order to display the state from Fig. 5, the button portion "is a schematic view showing a state of rotation according to the embodiment of the present invention. View and side view. Know the top of the appearance of the switch = the mode diagram of the button switch. The state of the wheel handle is a button switch (° thorn ° eight switch w

Claims (1)

1270909 VI. Patent Application Range △ 1 · A push button switch having a base portion formed with at least two fixed contacts, the movable contact 'contacting the movable contact with a fixed contact by approaching the base portion And a button portion that is turned on; a button switch of the return spring that is biased from the base portion of the button portion, and has a reverse portion that is swayable by an fulcrum formed on the button portion, and the core portion is The movable contact is formed at each end by the two ends, and the state of the installation is by the above-mentioned reversing elastics ^ p ^ " just the fixed section on the other side of the abutment portion is attached to the abutment According to the approaching action of the I port P, the movable connection I y A + ^ plate σ 他 of the other end of the slab portion is shaken, so that the button switch of the 凊2· The blocking mechanism is configured to be formed by the convex portion, the (7) 4 lane opening W, and the side portion and the button portion. An cited 11 convex 4 below the contact part 3 · as claimed in the scope of the first and according to the power, +, "· ya, talented name ugly switch", which is on the side of the base section: live bomb Beads, 乂 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎 扎The predetermined amount protrudes 'will push the marble into the hole. 15th stomach C:\2D-C0DE\91-07\91108678.ptd