Four-pin three-block rocker switch with lamp

Abstract

The utility model discloses a four-pin three-block rocker switch with a lamp, which is stable in structure and convenient to package. According to the technical scheme, the gear key is rotatably arranged at the upper end of the shell, the two edge pin terminals and the middle terminal are fixedly arranged at the bottom of the shell, a warping plate is arranged at the top of the middle terminal, a conductive sleeve is arranged at the bottom of the gear key through a fixing base, and the bottom of the conductive sleeve is provided with a spring. A spring is arranged in the conductive sleeve, and the lower end of the conductive sleeve is in sliding contact with the warping plate; a lamp pin terminal is fixed on one side of the bottom of the shell, and two forked cylindrical contacts or two spring contacts are arranged on the top of the lamp pin terminal.

Description

Technical Field

[0001] This utility model belongs to the field of switches, and particularly relates to a rocker switch. Background Technology

[0002] A rocker switch, also known as a rocker switch, is a common power switch used in electronic devices. Its structure includes: a housing, a rotatable position button on the upper part of the housing, and two fixed side terminals and a central terminal on the bottom of the housing. A rocker is mounted on top of the central terminal, and a conductive sleeve is mounted on the bottom of the position button via a mounting base. A spring is located inside the conductive sleeve, and its lower end slides into contact with the rocker. Pressing the position button causes the conductive sleeve to slide on the surface of the rocker, closing or separating the moving contacts at both ends of the rocker with the stationary contacts on the two side terminals, thus connecting or disconnecting the circuit. To indicate the switch status, an LED circuit board is usually mounted on the mounting base. The top of the spring and the bottom of the LED circuit board are normally closed (positive terminal), while a spring clip is riveted to the top of the side terminals to engage with the negative terminal on the bottom of the LED circuit board (on / off). Disadvantages include cumbersome assembly and poor stability. Furthermore, the LED circuit board is inconvenient to disassemble after mounting on the mounting base. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a 4-pin 3-position illuminated rocker switch with stable structure and convenient packaging.

[0004] To solve the above problems, the technical solution adopted by this utility model includes: a housing, a rotatable gear button located on the upper end of the housing, and two side terminals and a middle terminal fixedly located on the bottom of the housing. The middle terminal has a rocker arm on its top, and the bottom of the gear button has a conductive sleeve provided through a fixed base. The conductive sleeve contains a spring, and its lower end is slidably in contact with the rocker arm. The feature is that: a lamp base terminal is also fixed on one side of the bottom of the housing. The lamp base terminal has two forked cylindrical contacts or two spring contacts on its top. An LED light circuit board is provided inside the fixed base. The top of the spring is normally closed to the positive terminal at the bottom of the LED light circuit board. The lamp base terminal is connected / disconnected to the negative terminal at the bottom of the LED light circuit board through the cylindrical contacts or the spring contacts.

[0005] The 4-pin, 3-position, illuminated rocker switch is characterized in that: the mounting base is provided with a circuit board slot, and the LED circuit board is inserted into the circuit board slot.

[0006] The 4-pin 3-position illuminated rocker switch is characterized in that: the circuit board slot is through to the left and right, and a front baffle integrally formed on the fixed base is provided in front of the circuit board slot, and a rear baffle integrally formed on the position button is provided behind the slot.

[0007] The 4-pin, 3-position, illuminated boat-shaped switch is characterized in that: a positioning platform is provided at the bottom of the housing, and the lamp pin terminal is positioned on the positioning platform by the upper bending part.

[0008] The 4-pin, 3-position, illuminated boat-shaped switch is characterized in that: a foolproof rib is provided on one side of the housing.

[0009] The 4-pin, 3-position, illuminated boat-type switch is characterized in that: the lamp pin terminals are provided with positioning shoulders on both sides, which are positioned at the bottom of the housing.

[0010] The 4-pin, 3-position, illuminated rocker switch is characterized in that: the surface of the lamp pin terminal is provided with a bubble point positioned at the bottom of the housing.

[0011] The advantages of this 4-pin, 3-position illuminated rocker switch are as follows: 1. By setting two forked contacts at the top of one lamp pin terminal to connect / disconnect with the negative terminal at the bottom of the LED circuit board, when the position button is swung to position one, the contact on the position one side connects to the negative terminal at the bottom of the LED circuit board; 2. When the position button is swung to position two, the contact on the position two side connects to the negative terminal at the bottom of the LED circuit board; 3. When the position button is in the middle position, both contacts disconnect from the negative terminal at the bottom of the LED circuit board. This achieves the on / off indication function of the switch. Compared to traditional structures, the structure is more stable and easier to manufacture and assemble; 4. The LED circuit board is inserted into the circuit board slot of the mounting bracket. Since the circuit board slot is through-hole and fixed by baffles on both sides, insertion and removal are more convenient. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a schematic diagram of the structure of the lamp boat-shaped switch of this utility model;

[0014] Figure 2 yes Figure 1 Sectional view along axis AA;

[0015] Figure 3 yes Figure 2 BB-direction sectional view;

[0016] Figure 4 This is an exploded view of the rocker switch of this utility model;

[0017] Figure 5 This is a structural schematic diagram of the fixing base of this utility model;

[0018] Figure 6 This is a schematic diagram of the LED light circuit board of this utility model;

[0019] Figure 7This is a schematic diagram of the structure of the lamp pin terminal of this utility model;

[0020] Figure 8 This is a schematic diagram of the structure of the lamp pin terminal of the second embodiment of this utility model. Detailed Implementation

[0021] like Figures 1 to 8 As shown, this utility model's 4-pin, 3-position illuminated rocker switch includes a housing 1, a rotatable position button 2 located on the upper part of the housing 1, and two side terminals 3 and a middle terminal 4 fixedly located on the bottom of the housing 1. The middle terminal 4 has a rocker arm 5 at its top, and the position button 2 has a conductive sleeve 7 at its bottom via a fixing seat 6. A spring 8 is housed inside the conductive sleeve 7, and the lower end of the conductive sleeve 7 slidably contacts the rocker arm 5. An LED terminal 9 is also fixed to one side of the bottom of the housing 1. The LED terminal 9 has two forked cylindrical contacts 10 or two spring contacts 22 at its top. An LED circuit board 11 is housed inside the fixing seat 6. The top of the spring 8 is normally closed to the positive electrode 12 at the bottom of the LED circuit board 11. The LED terminal 9 is connected / disconnected to the negative electrode 13 at the bottom of the LED circuit board 11 via the cylindrical contacts 10 or the spring contacts 22. Note: The width of the negative electrode 13 cannot be less than the distance between the two cylindrical contacts 10. Working principle: When the gear button 2 is in the middle position, the moving contacts at both ends of the rocker 5 separate from the stationary contacts on the edge terminals 3. At the same time, the LED light circuit board 11 is in a horizontal state, and its bottom negative electrode 13 also separates from the two cylindrical contacts 10. When the gear button 2 is pressed to gear 1, the moving contact at one end of the rocker 5 closes with one of the stationary contacts on the edge terminals 3. At the same time, the LED light circuit board 11 tilts towards gear 1, so that its bottom negative electrode 13 closes with one of the cylindrical contacts 10 to achieve power indication. The principle for gear 2 is the same and will not be described in detail. In the above scheme: because the negative electrode 13 of the LED light circuit board 11 and the cylindrical contact 10 have a hard impact when the switch is closed, long-term closing action can easily lead to wear or breakage of the negative electrode 13. However, when the spring contact 22 is used, it has a buffering effect, which can more effectively protect the negative electrode 13. Of course, if the negative electrode 13 is made of a more wear-resistant conductive material, it is best to use the cylindrical contact 10 structure, which is easier to manufacture and assemble, and has better conductivity.

[0022] Preferably, the mounting base 6 is provided with a circuit board slot 14, and the LED light circuit board 11 is inserted into the circuit board slot 14. The circuit board slot 14 is through-hole, and a front baffle 15 integrally formed on the mounting base 6 is provided in front of the circuit board slot 14, and a rear baffle 16 integrally formed on the gear button 2 is provided behind the circuit board slot 14. After assembly, the front baffle 15 and the rear baffle 16 abut against the LED light circuit board 11 and detach. Since the circuit board slot 14 is through-hole, it is easier to insert and remove the LED light circuit board 11.

[0023] Preferably, the bottom of the housing 1 is provided with a positioning platform 17, and the lamp base terminal 9 is positioned on the positioning platform 17 by the upper bending portion 18. Since the LED light circuit board 11 needs to collide with the cylindrical contact 10 of the lamp base terminal 9 during gear shifting, the positioning of the bending portion 18 by the positioning platform 17 can improve the stability of the LED light circuit board 11.

[0024] Preferably, one side of the housing 1 is provided with a foolproof rib 19 to prevent the switch from being installed in the wrong direction.

[0025] Preferably, the lamp base terminal 9 is provided with positioning shoulders 20 on both sides, which are positioned at the bottom of the housing 1, to further improve the stability of the LED lamp circuit board 11.

[0026] Preferably, the surface of the lamp base terminal 9 is provided with bubble points 21 positioned at the bottom of the housing 1 to further improve the stability of the LED lamp circuit board 11.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.

Claims

1. A 4-pin, 3-position, illuminated rocker switch, comprising a housing (1), a rotatable position button (2) located on the upper end of the housing (1), and two side terminals (3) and a middle terminal (4) fixedly located on the bottom of the housing (1). The middle terminal (4) has a rocker arm (5) at its top. The position button (2) has a conductive sleeve (7) at its bottom via a fixed base (6). The conductive sleeve (7) contains a spring (8), and its lower end is slidably in contact with the rocker arm (5). The switch is characterized in that: The bottom side of the housing (1) is also fixed with a lamp foot terminal (9). The top of the lamp foot terminal (9) is provided with two forked cylindrical contacts (10) or two spring contacts (22). The fixed base (6) is provided with an LED lamp circuit board (11). The top of the spring (8) and the positive electrode (12) at the bottom of the LED lamp circuit board (11) are normally closed. The lamp foot terminal (9) is connected / disconnected with the negative electrode (13) at the bottom of the LED lamp circuit board (11) through the cylindrical contacts (10) or the spring contacts (22).

2. The 4-pin, 3-position, illuminated rocker switch according to claim 1, characterized in that: The mounting base (6) is provided with a route board slot (14), and the LED light route board (11) is inserted into the route board slot (14).

3. The 4-pin, 3-position, illuminated rocker switch according to claim 2, characterized in that: The route board slot (14) is through to the left and right, and the front of the route board slot (14) is provided with a front baffle (15) integrally formed on the fixed base (6), and the rear baffle (16) integrally formed on the gear button (2).

4. The 4-pin, 3-position, illuminated rocker switch according to claim 1, characterized in that: The housing (1) has a positioning platform (17) at the bottom, and the lamp foot terminal (9) is positioned on the positioning platform (17) by the upper bending part (18).

5. The 4-pin, 3-position, illuminated rocker switch according to claim 1, characterized in that: The housing (1) is provided with a foolproof rib (19) on one side.

6. The 4-pin, 3-position, illuminated rocker switch according to claim 1, characterized in that: The lamp base terminal (9) has positioning shoulders (20) on both sides, which are positioned at the bottom of the housing (1).

7. The 4-pin, 3-position, illuminated rocker switch according to claim 6, characterized in that: The lamp base terminal (9) has a bubble point (21) positioned at the bottom of the housing (1).

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