Metal button switch easy to assemble

Abstract

The utility model discloses a metal button switch easy to assemble. According to the technical scheme, the device comprises a base, a lining arranged at the upper end of the base and a shell arranged outside the lining, at least two wiring pins are arranged on the base, a button is arranged at the top of the shell, the lower end of the button is connected with a push rod, static contacts are arranged at the tops of the wiring pins, and the static contacts are connected with the push rod. The lower end of the push rod is provided with a moving contact matched with the static contact in an on-off mode, heart-shaped lock grooves are integrally formed in the two sides of the push rod, lock rods are arranged on the heart-shaped lock grooves, the lock rods are in a U shape, a boss is arranged at the bottom of the base, the boss is provided with a first installation groove for the lock rods to be installed in, and the first installation groove is provided with a second installation groove for the lock rods to be installed in. A bearing plate for fixing the middle of the bottom of the lock rod is arranged in the middle of the first mounting groove, positioning grooves for fixing the two sides of the bottom of the lock rod are formed in the two ends of the first mounting groove, a positioning inclined block is further arranged on one side of the bearing plate, and the boss is covered with a bottom cover.

Description

Technical Field

[0001] The utility model belongs to the field of switches, and particularly relates to a metal push-button switch. Background Art

[0002] A metal push-button switch refers to a switch that uses a button to push a transmission mechanism to make a moving contact and a static contact connect or disconnect to achieve circuit switching. The structure of a traditional metal push-button switch includes: a base, a bushing provided at the upper end of the base, and a metal shell provided outside the bushing. A set of wiring pins are provided on the base, a button is provided at the top of the shell, a push rod is connected to the lower end of the button, a static contact is provided at the top of the wiring pins, and a moving contact that is in on-off cooperation with the static contact is provided at the lower end of the push rod. To achieve the normally closed state of the switch, a heart-shaped lock structure (self-locking structure) is usually provided inside the switch. The heart-shaped lock structure mainly consists of a heart-shaped lock groove, a lock piece, and a lock hook. The disassembly and assembly of the traditional lock hook are relatively inconvenient, and it needs to be disassembled and assembled in cooperation with internal related parts, and the stability is poor. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a metal push-button switch that is easy to assemble.

[0004] To solve the above problems, the technical solution adopted by the utility model includes: a base, a bushing provided at the upper end of the base, and a shell provided outside the bushing. At least two wiring pins are provided on the base, a button is provided at the top of the shell, a push rod is connected to the lower end of the button, a static contact is provided at the top of the wiring pins, and a moving contact that is in on-off cooperation with the static contact is provided at the lower end of the push rod. The characteristics are that: heart-shaped lock grooves are integrally formed on both sides of the push rod, a lock rod is provided on the heart-shaped lock grooves, the lock rod is U-shaped, a convex platform is provided at the bottom of the base, and a first installation groove for the lock rod to be inserted is provided on the convex platform. A bearing plate for fixing the middle part of the bottom of the lock rod is provided in the middle of the first installation groove, and positioning grooves for fixing both sides of the bottom of the lock rod are provided at both ends. A positioning inclined block is further provided on one side of the bearing plate, and a bottom cover covers the convex platform.

[0005] The easy-to-assemble metal push-button switch is characterized in that: lamp pins are provided on both sides of the base, a riveting part and a bifurcated part are integrally formed at the upper end of the lamp pins, and are riveted and fixed to the bushing through the riveting part, and are connected to an LED lamp circuit board through the bifurcated part, and the LED lamp circuit board is arranged above the moving contact.

[0006] The easy-to-assemble metal push-button switch is characterized in that: the push rod includes a square end face and an elastic side wall integrally formed on the square end face. A hook is provided on the elastic side wall, and a groove adapted to the square end face and a hanging groove connected to the hook are provided at the bottom of the button.

[0007] The described easily assembled metal push-button switch is characterized in that: a flange is provided at the top of the housing, and an "O" ring is provided through a sealing groove at the bottom of the flange.

[0008] The described easily assembled metal push-button switch is characterized in that: a chute adapted to the push rod and a bottom plate for fixing the LED lamp circuit board are provided in the bushing.

[0009] The described easily assembled metal push-button switch is characterized in that: the LED lamp circuit board is in a circular ring shape.

[0010] The described easily assembled metal push-button switch is characterized in that: the moving contact is installed on the push rod through a second installation groove longitudinally extending at the upper end, a first return spring is provided above the moving contact, and a second return spring is provided between the bottom of the push rod and the base.

[0011] The described easily assembled metal push-button switch is characterized in that: a first spring positioning post is provided at the upper end of the second installation groove, and a second spring positioning post is provided at the bottom of the push rod.

[0012] The described easily assembled metal push-button switch is characterized in that: a sealing ring is provided between the button and the bushing.

[0013] The described easily assembled metal push-button switch is characterized in that: the bottom cover is connected to the base through a buckle.

[0014] The advantages of the easily assembled metal push-button switch of the present utility model are as follows: The locking rod is disassembled and assembled through the installation groove at the bottom of the base, and is positioned through the positioning structure in the installation groove, making the disassembly and assembly of the locking rod more convenient and having good stability after assembly.

[0015] The following further describes the present utility model with reference to the accompanying drawings of the specification. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the easily assembled metal push-button switch of the present utility model;

[0017] Figure 2 is an exploded view of the easily assembled metal push-button switch of the present utility model;

[0018] Figure 3 is a cross-sectional view of the easily assembled metal push-button switch of the present utility model;

[0019] Figure 4 is a schematic structural diagram of the base of the present utility model;

[0020] Figure 5 is a schematic structural diagram of the push rod of the present utility model;

[0021] Figure 6 It is a schematic installation diagram of the base of the present utility model, the wiring pins and the lamp pins;

[0022] Figure 7 It is a schematic structural diagram of the button of the present utility model;

[0023] Figure 8 It is a schematic structural diagram of the bushing of the present utility model. Detailed implementation manners

[0024] Referring to Figure 1-8 As shown, the easy-to-assemble metal push-button switch of the present utility model includes a base 1, a bushing 2 provided at the upper end of the base 1, and a housing 3 provided outside the bushing 2. The base 1 is provided with two wiring pins 4. A button 5 is provided at the top of the housing 3, and a push rod 6 is connected to the lower end of the button 5. A static contact 7 is provided at the top of the wiring pin 4, and a moving contact 8 that is in on-off cooperation with the static contact 7 is provided at the lower end of the push rod 6. Heart-shaped lock grooves 9 are integrally formed on both sides of the push rod 6, and a lock rod 10 is provided on the heart-shaped lock grooves 9. The lock rod 10 is U-shaped. A boss 11 is provided at the bottom of the base 1, and a first installation groove 12 for the lock rod 10 to be inserted is provided on the boss 11. A bearing plate 13 for fixing the middle part of the bottom of the lock rod 10 is provided in the middle of the first installation groove 12, and positioning grooves 14 for fixing both sides of the bottom of the lock rod 10 are provided at both ends of the first installation groove 12. A positioning inclined block 15 is further provided on one side of the bearing plate 13. A bottom cover 16 is covered on the boss 11, and the bottom cover 16 is connected to the base 1 through a buckle 37. During assembly, the lock rod 10 can be pressed into the first installation groove 12. The working principle between the lock rod 10 and the heart-shaped lock grooves 9 is a well-known technology and will not be elaborated here.

[0025] Preferably, lamp pins 17 are provided on both sides of the base 1. A riveting part 18 and a bifurcated part 19 are integrally formed at the upper end of the lamp pin 17. The lamp pin 17 is riveted and fixed to the bushing 2 through the riveting part 18, and is connected to an LED lamp circuit board 20 through the bifurcated part 19, and the LED lamp circuit board 20 is arranged above the moving contact 8. The LED lamp circuit board 20 is far away from the static contact 7 and the moving contact 8, so as to prevent the LED lamp circuit board 20 from being damaged by electric arc. At the same time, through the above structure, the installation of the LED lamp circuit board 20 is more convenient.

[0026] Preferably, the push rod 6 includes a square end face 21 and an elastic side wall 22 integrally formed on the square end face 21. A hook 23 is provided on the elastic side wall 22. A groove 24 adapted to the square end face 21 and a hanging groove 25 connected to the hook 23 are provided at the bottom of the button 5. During assembly, the square end face 21 is embedded in the groove 24, and the hook 23 is hooked into the hanging groove 25. Since the elastic side wall 22 has elasticity, the hook 23 can be hooked more smoothly without damaging the hook 23.

[0027] Preferably, a flange 26 is provided at the top of the housing 3. An "O" - ring 28 is provided at the bottom of the flange 26 through a sealing groove 27. The "O" - ring 28 is arranged through the sealing groove 27 to improve the sealing fit and the installation stability of the "O" - ring 28.

[0028] Preferably, a sliding groove 29 adapted to the push rod 6 and a bottom plate 30 for fixing the LED lamp circuit board 20 are provided in the bushing 2. The sliding groove 29 makes the up - and - down sliding of the push rod 6 more stable, and the bottom plate 30 serves to fix the LED lamp circuit board 20.

[0029] Preferably, the LED lamp circuit board 20 is in a circular ring shape for easy installation. At the same time, a plurality of LED lamps can be installed on the LED lamp circuit board 20.

[0030] Preferably, the push rod 6 installs the moving contact 8 through a second installation groove 31 extending longitudinally at the upper end. A first return spring 32 is provided above the moving contact 8 for buffering the moving contact 8 and more stably holding the static contact 7. A second return spring 33 is provided between the bottom of the push rod 6 and the base 1 for the reset of the push rod 6 after pressing. A first spring positioning post 34 is provided at the upper end of the second installation groove 31, and a second spring positioning post 35 is provided at the bottom of the push rod 6. To improve the installation stability of the first return spring 32 and the second return spring 33.

[0031] Preferably, a sealing ring 36 is provided between the button 5 and the bushing 2 to improve the waterproof performance of the product.

[0032] As described above, there is no restriction in any form on the present utility model. Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art, without departing from the scope of the technical solution of the present utility model, can make some changes or modifications to the above-disclosed structure and technical content to form equivalent embodiments of equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An easily assembled metal push-button switch, comprising a base (1), a bushing (2) provided at the upper end of the base (1), and a housing (3) provided outside the bushing (2). At least two wiring pins (4) are provided on the base (1). A button (5) is provided at the top of the housing (3). A push rod (6) is connected to the lower end of the button (5). A stationary contact (7) is provided at the top of the wiring pin (4). A moving contact (8) which is in on-off cooperation with the stationary contact (7) is provided at the lower end of the push rod (6). It is characterized in that: On both sides of the push rod (6), a heart-shaped lock groove (9) is integrally formed. A lock rod (10) is provided on the heart-shaped lock groove (9). The lock rod (10) is U-shaped. A boss (11) is provided at the bottom of the base (1). A first installation groove (12) for the lock rod (10) to be inserted is provided on the boss (11). A bearing plate (13) for fixing the middle part of the bottom of the lock rod (10) is provided in the middle of the first installation groove (12), and positioning grooves (14) for fixing both sides of the bottom of the lock rod (10) are provided at both ends. A positioning inclined block (15) is further provided on one side of the bearing plate (13). A bottom cover (16) covers the boss (11).

2. The easily assembled metal push-button switch according to claim 1, characterized in that: Lamp pins (17) are provided on both sides of the base (1). A riveting part (18) and a bifurcated part (19) are integrally formed at the upper end of the lamp pin (17). It is riveted and fixed to the bushing (2) through the riveting part (18), connected to the LED lamp circuit board (20) through the bifurcated part (19), and the LED lamp circuit board (20) is arranged above the moving contact (8).

3. The easily assembled metal push-button switch according to claim 1, characterized in that: The push rod (6) includes a square end face (21) and an elastic side wall (22) integrally formed on the square end face (21). A hook (23) is provided on the elastic side wall (22). A groove (24) adapted to the square end face (21) and a hanging groove (25) connected to the hook (23) are provided at the bottom of the button (5).

4. The easily assembled metal push-button switch according to claim 1, characterized in that: A flange (26) is provided at the top of the housing (3). An "O" - ring (28) is provided at the bottom of the flange (26) through a sealing groove (27).

5. The easy-to-assemble metal push-button switch according to claim 2, characterized in that: A chute (29) adapted to the push rod (6) and a bottom plate (30) for fixing the LED lamp circuit board (20) are provided in the bushing (2).

6. The easy-to-assemble metal push-button switch according to claim 5, characterized in that: The LED lamp circuit board (20) is circular - ring - shaped.

7. The easily assembled metal push-button switch according to claim 1, characterized in that: The push rod (6) installs the moving contact (8) through a second installation groove (31) extending longitudinally at the upper end. A first return spring (32) is provided above the moving contact (8). A second return spring (33) is provided between the bottom of the push rod (6) and the base (1).

8. The easy-to-assemble metal push-button switch according to claim 7, characterized in that: A first spring positioning post (34) is provided at the upper end of the second installation groove (31). A second spring positioning post (35) is provided at the bottom of the push rod (6).

9. The easily assembled metal push-button switch according to claim 1, characterized in that: A sealing ring (36) is provided between the button (5) and the bushing (2).

10. The easily assembled metal push-button switch according to claim 1, wherein: The bottom cover (16) is connected to the base (1) through a buckle (37).

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