CN214672290U

CN214672290U - Metal button switch

Info

Publication number: CN214672290U
Application number: CN202120884706.4U
Authority: CN
Inventors: 管文斌; 赵金晓
Original assignee: Wenzhou Baijin Electronics Co ltd
Current assignee: Wenzhou Baijin Electronics Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-09
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a metal button switch that the structure is simpler, simple to operate. The technical scheme adopted comprises the following steps: the base, establish outer plastic casing of base, establish outer metal casing of plastic casing, the base is the platykurtic, and is equipped with a set of normally open contact pin, normally closed contact pin side by side be equipped with between normally open contact pin, the normally closed contact pin and touch the bridge, touch the bridge and install on the carriage, the carriage with be equipped with reset spring between the base, the plastic casing includes plastic casing, lower plastic casing, upward be equipped with operating button on the plastic casing, the pot head is equipped with ring gear, lower ring gear on the complex under the operating button, upward the plastic casing inner wall be equipped with go up ring gear, lower ring gear complex constant head tank, the carriage upper end be equipped with operating button complex clamping ring.

Description

Metal button switch

Technical Field

The utility model relates to a button switch, especially metal button switch.

Background

The button switch is a switch which utilizes a button to push a transmission mechanism, enables a movable contact and a static contact to be pressed on or off and realizes circuit switching. The traditional metal button switch structure with the lamp is as follows: the patent of the Chinese utility model with the publication number "CN 206022165U" is shown. The LED lamp bead and the resistor are arranged at the center of the base to achieve the indication of the switch with the lamp, the switch with the structure is complex in structure and large in size, and wiring (the lamp pin lead and the resistor lead are connected in a welding mode) is very troublesome. The current popular practice is as follows: the LED lamp is arranged on the PCB and connected with the pins of the LED lamp to realize light indication. However, a PCB board mounting seat, a wiring pin, etc. are usually required to be installed, and the structure is complicated and the cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a metal button switch that the structure is simpler, simple to operate.

In order to solve the above problem, the utility model discloses a technical scheme include: base, establish outer plastic casing of base, establish outer metal casing of plastic casing, its characterized in that: the base is flat and is provided with a group of normally open contact pins and normally closed contact pins in parallel, a contact bridge is arranged between the normally open contact pins and the normally closed contact pins, the contact bridge is arranged on the sliding frame, a return spring is arranged between the sliding frame and the base, the plastic shell comprises an upper plastic shell and a lower plastic shell, the upper plastic shell is provided with an operating button, the lower end of the operating button is sleeved with an upper gear ring and a lower gear ring which are matched with each other, the inner wall of the upper plastic shell is provided with a positioning groove matched with the upper gear ring and the lower gear ring, the upper end of the sliding frame is provided with a press ring matched with the operating button, two sides of the base are respectively provided with an LED lamp pin, the upper end of the LED lamp pin penetrates through the press ring and extends into the operating button, and the tops of the pins of the LED lamps are connected with the PCB through the tip parts, and the PCB is provided with the SMD LED lamps.

The metal button switch is characterized in that: and a group of guide protrusions are arranged on the compression ring, and guide grooves matched with the guide protrusions are formed in the lower plastic shell.

The metal button switch is characterized in that: the base is externally provided with a seat cover, two sides of the lower plastic shell are provided with lamp pin installation parts extending to the seat cover, and the LED lamp pins are arranged between the seat cover and the lamp pin installation parts.

The metal button switch is characterized in that: the LED lamp pins are provided with buckles.

The metal button switch is characterized in that: and the pins of the LED lamps are all provided with bubble points.

The metal button switch is characterized in that: and a waterproof ring is arranged between the upper gear ring and the operating button.

The metal button switch is characterized in that: the lamp pin mounting part is provided with a hook.

The metal button switch is characterized in that: the contact bridge is fixed on the sliding frame through a V-shaped clamp spring.

The utility model discloses a metal button switch advantage: the LED lamp support frame has the advantages that the LED lamp support frame is directly connected with a PCB through the pins of the LED lamp, the support frame is used as a support frame while the connection is convenient, and a PCB mounting seat and other auxiliary wiring pins can be omitted, so that the structure is simplified, the installation is convenient, and the cost is reduced.

Drawings

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

Fig. 1 is a cross-sectional view of a metal push button switch of the present invention;

FIG. 2 is an exploded view of the metal push button switch of the present invention;

FIG. 3 is a schematic view of the base of the present invention;

FIG. 4 is a schematic structural view of the lower casing of the present invention;

FIG. 5 is a schematic structural view of the LED lamp pin of the present invention;

FIG. 6 is a schematic view of the assembly between the contact bridge and the sliding frame of the present invention;

fig. 7 is a schematic view of the V-shaped clamp spring of the present invention.

Detailed Description

As shown in fig. 1 to 7, the metal button switch of the present invention comprises a base 1, a plastic casing 2 disposed outside the base 1, and a metal casing 3 disposed outside the plastic casing 2. The base 1 is flat, and two normally open contact pins 4 and two normally closed contact pins 5 are arranged on the base 1 side by side. And static contacts are riveted at two ends of the open contact pin 4 and the normally closed contact pin 5. A contact bridge 6 is arranged between the normally open contact pin 4 and the normally closed contact pin 5, and movable contacts are riveted at two ends of the contact bridge 6. The contact bridge 6 is arranged on a sliding frame 7, and a return spring 8 is arranged between the sliding frame 7 and the base 1. The plastic shell 2 comprises an upper plastic shell 9 and a lower plastic shell 10, and an operation button 11 is arranged on the upper plastic shell 9. The lower end of the operating button 11 is sleeved with an upper gear ring 12 and a lower gear ring 13 which are matched with each other, and the lower end of the operating button 11 is fixed by an anti-falling fixing ring 29. And a positioning groove 14 matched with the upper gear ring 12 and the lower gear ring 13 is arranged on the inner wall of the upper plastic shell 9. Through the cooperation of the helical teeth on the upper gear ring 12 and the lower gear ring 13 and the positioning groove 14 in the upper plastic shell 9, when the operation button 11 is pressed, the normally closed and normally open operation of the button switch can be realized. The working principle of the ring gear, such as the ring gear operating mechanism in an automatic ball-point pen, is not described herein. Carriage 7 upper end be equipped with operating button 11 complex clamping ring 15, ideal operating button 11's the solid fixed ring 29 below of anti-drop sets up packing ring 30 to improve stability. The LED lamp comprises a base 1 and is characterized in that LED lamp pins 16 are respectively arranged on two sides of the base 1, wherein one side of the base is a positive electrode, and the other side of the base is a negative electrode. The LED lamp pin 16 upper end is passed the clamping ring 15 stretches into in the operating button 11, just LED lamp pin 16 top all is connected with PCB board 19 through sharp portion 18 (sharp portion 18 inserts PCB board 19 both ends earlier and is equipped with the inserting groove in, welded fastening again), and then with establish paster LED lamp 11 on the PCB board 19 is connected.

Preferably, a set of guide protrusions 21 is arranged on the pressing ring 15, and a guide groove 22 matched with the guide protrusions 21 is arranged in the lower plastic shell 10, so that the sliding frame 7 and the pressing ring 15 can be kept stable when sliding up and down and cannot be displaced.

Preferably, a seat cover 23 is arranged outside the base 1, lamp pin installation parts 24 extending to the seat cover 23 are arranged on two sides of the lower plastic shell 10, and the LED lamp pins 16 are arranged between the seat cover 23 and the lamp pin installation parts 24. To facilitate the installation and production of the LED lamp pins 16.

Preferably, the pins 16 of the LED lamp are provided with a buckle 25. The LED lamp pins 16 are all provided with bubble points 26. Through the design of the buckle 25 and the bubble point 26, the LED lamp pin 16 can be more stably fixed on the base 1, and is prevented from loosening.

Preferably, a waterproof ring 27 is arranged between the upper gear ring 12 and the operating button 11 to improve the waterproof and dustproof performance of the switch.

Preferably, the lamp pin mounting portion 24 is provided with a hook 28, and after the switch is inserted into the terminal with the wiring harness, the switch is hooked through the hook 28.

Preferably, the contact bridge 6 is fixed to the sliding frame 7 by means of a "V" shaped clamping spring 17. Specifically, "V" shape jump ring 17 front end with it is articulated to touch bridge 6, the rear end with carriage 7 is connected, makes touch bridge 6 connects the back, possesses certain elasticity, thereby can better with open contact pin 4, normally closed contact pin 5 keep in touch.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.

Claims

1. The utility model provides a metal button switch, includes base (1), establishes plastic casing (2) outside base (1), establish metal casing (3) outside plastic casing (2), its characterized in that: the base (1) is flat and is provided with a group of normally open contact pins (4) and normally closed contact pins (5) side by side, a contact bridge (6) is arranged between the normally open contact pins (4) and the normally closed contact pins (5), the contact bridge (6) is installed on a sliding frame (7), a reset spring (8) is arranged between the sliding frame (7) and the base (1), the plastic shell (2) comprises an upper plastic shell (9) and a lower plastic shell (10), an operating button (11) is arranged on the upper plastic shell (9), an upper gear ring (12) and a lower gear ring (13) are matched with each other under the operating button (11), a positioning groove (14) matched with the upper gear ring (12) and the lower gear ring (13) is arranged on the inner wall of the upper plastic shell (9), a pressing ring (15) matched with the operating button (11) is arranged at the upper end of the sliding frame (7), the LED lamp is characterized in that LED lamp pins (16) are arranged on two sides of the base (1) respectively, the upper ends of the LED lamp pins (16) penetrate through the pressing ring (15) and stretch into the operating button (11), the tops of the LED lamp pins (16) are connected with a PCB (printed circuit board) (19) through tip portions (18), and patch LED lamps (20) are arranged on the PCB (19).

2. The metal push button switch according to claim 1, wherein: be equipped with a set of direction bellying (21) on clamping ring (15), be equipped with down in plastic casing (10) with direction bellying (21) complex guide way (22).

3. The metal push button switch according to claim 1, wherein: base (1) is equipped with seat cover (23) outward, plastic casing (10) both sides are equipped with lamp base installation department (24) that extend to seat cover (23) department down, establish LED lamp pin (16) between seat cover (23) and lamp base installation department (24).

4. The metal push button switch according to claim 3, wherein: the LED lamp pin (16) is provided with a buckle (25).

5. The metal push button switch according to claim 3, wherein: and the pins (16) of the LED lamps are all provided with bubble points (26).

6. The metal push button switch according to claim 1, wherein: a waterproof ring (27) is arranged between the upper gear ring (12) and the operating button (11).

7. The metal push button switch according to claim 3, wherein: and a hook (28) is arranged on the lamp pin mounting part (24).

8. The metal push button switch according to claim 1, wherein: the contact bridge (6) is fixed on the sliding frame (7) through a V-shaped clamp spring (17).