CN210223857U

CN210223857U - Push-button switch

Info

Publication number: CN210223857U
Application number: CN201921390766.XU
Authority: CN
Inventors: Kun Xiong; 熊坤
Original assignee: Shanghai Yufang Electric Co Ltd
Current assignee: Shanghai Yufang Electric Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-03-31
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a button switch, including switch shell, switch shell's top is close to central point and puts fixedly connected with pressure reducing plate, switch shell's top central point puts and is provided with the fixed plate, the top fixedly connected with button of fixed plate, the bottom of fixed plate is close to two connecting plates of the fixed position fixedly connected with of both sides, the bottom central point of fixed plate puts the fixedly connected with dead lever, the first spring of bottom fixedly connected with of fixed plate, switch shell's inside fixedly connected with baffle, a plurality of second springs of bottom fixedly connected with of baffle. The utility model discloses in, first spring can resume the original position with the button, and the second spring can resume the original position with the fly leaf, and when slider and first draw-in groove, second draw-in groove inlayed, can keep first contact and first terminal, second contact and second terminal to contact always.

Description

Push-button switch

Technical Field

The utility model relates to the technical field of switches, especially, relate to a button switch.

Background

The button switch is a switch which utilizes a button to push a transmission mechanism to make or break a movable contact and a static contact and realize circuit switching, is a master electrical appliance with simple structure and wide application, can complete basic control such as starting, stopping, positive and negative rotation, speed change, interlocking and the like, and generally has two pairs of contacts for each button switch, wherein each pair of contacts consists of a normally open contact and a normally closed contact. When the button is pressed, the two pairs of contacts act simultaneously, the normally closed contact is opened, and the normally open contact is closed;

the existing button switch can only control one circuit, and after the elastic shrapnel connected inside the button switch is used for a long time, the elastic shrapnel can not be restored to the original state, so that the performance of the switch becomes unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a button switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a button switch comprises a switch shell, wherein a pressure reducing plate is fixedly connected to the top of the switch shell close to the central position, a fixed plate is arranged at the top central position of the switch shell, a button is fixedly connected to the top of the fixed plate, two connecting plates are fixedly connected to the bottom of the fixed plate close to the positions on two sides, a fixed rod is fixedly connected to the bottom central position of the fixed plate, a first spring is fixedly connected to the bottom of the fixed plate, a baffle is fixedly connected to the inside of the switch shell, a movable plate is arranged below the baffle, a plurality of second springs are fixedly connected between the bottom of the baffle and the top of the movable plate, a first connecting rod is fixedly connected to one side of the bottom of the movable plate, a first contact piece is fixedly connected to the bottom of the first connecting rod, and a second connecting rod is fixedly, the bottom fixedly connected with second contact of second connecting rod, the position fixedly connected with first terminal that inner wall one side of switch housing is close to the bottom, two third springs of inner diapire fixedly connected with of switch housing, two the one end fixedly connected with second terminal of third spring.

As a further description of the above technical solution:

the outer surface of the switch shell is fixedly connected with a plurality of mounting brackets, and one end of the fixing plate penetrates through the top of the switch shell.

As a further description of the above technical solution:

the inside fixedly connected with two motors of fly leaf, two the equal fixedly connected with pulley of drive front end of motor, the surface fixed connection of pulley has the fixed axle.

As a further description of the above technical solution:

the both sides of switch shell's inner wall all are provided with first draw-in groove, the both sides of switch shell's inner wall all are provided with the second draw-in groove, and the second draw-in groove is located the below of first draw-in groove.

As a further description of the above technical solution:

the both sides of fly leaf all are provided with the opening, the opening gomphosis is connected with the slider, slider fixedly connected with pivot, pivot and fixed axle rotate jointly and are connected with the movable rod.

As a further description of the above technical solution:

the first contact piece corresponds to the position of the first terminal, and the second contact piece corresponds to the position of the second terminal.

As a further description of the above technical solution:

one end of the fixed rod penetrates through the baffle, and one end of the first spring is fixedly connected with the center of the top of the baffle.

The utility model discloses following beneficial effect has: when the button switch is used, the movable plate is driven to rotate by the motor through the movable plate, the motor, the pulley, the fixed shaft, the movable rod, the rotating shaft, the sliding block, the opening, the first clamping groove and the second clamping groove, the movable rod is driven to move around the fixed shaft and the rotating shaft, the sliding block is pushed to move along the opening, when the sliding block is embedded with the first clamping groove and the second clamping groove, the movable plate is fixed, the fixed plate and the fixed rod move downwards through the arranged button, the first spring compresses to drive the movable plate, the first connecting rod, the second connecting rod, the first contact piece and the second contact piece to move, so that the first contact piece is contacted with the first terminal, and the second contact piece is contacted with the second terminal, the first line and the second line are connected.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a switch housing; 2. a decompression plate; 3. a fixing plate; 4. a button; 5. mounting a bracket; 6. a connecting plate; 7. fixing the rod; 8. a first spring; 9. a baffle plate; 10. a second spring; 11. a movable plate; 12. a first connecting rod; 13. a second connecting rod; 14. a first terminal; 15. a second terminal; 16. a third spring; 17. a first contact piece; 18. a second contact piece; 19. a motor; 20. a pulley; 21. a fixed shaft; 22. a movable rod; 23. a rotating shaft; 24. a slider; 25. an opening; 26. a first card slot; 27. and a second card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a button switch comprises a switch shell 1, a pressure reducing plate 2 is fixedly connected to the top of the switch shell 1 close to the central position, a fixed plate 3 is arranged at the central position of the top of the switch shell 1, a button 4 is fixedly connected to the top of the fixed plate 3, two connecting plates 6 are fixedly connected to the positions of the bottom of the fixed plate 3 close to the two sides, a fixed rod 7 is fixedly connected to the central position of the bottom of the fixed plate 3, a first spring 8 is fixedly connected to the bottom of the fixed plate 3, a baffle 9 is fixedly connected to the inside of the switch shell 1, a movable plate 11 is arranged below the baffle 9, a plurality of second springs 10 are fixedly connected between the bottom of the baffle 9 and the top of the movable plate 11, a first connecting rod 12 is fixedly connected to one side of the bottom of the movable plate 11, a first contact plate 17 is fixedly connected to the bottom, the bottom of the second connecting rod 13 is fixedly connected with a second contact piece 18, one side of the inner wall of the switch shell 1 close to the bottom is fixedly connected with a first terminal 14, the inner bottom wall of the switch shell 1 is fixedly connected with two third springs 16, and one ends of the two third springs 16 are fixedly connected with a second terminal 15.

The outer surface of the switch shell 1 is fixedly connected with a plurality of mounting brackets 5, the mounting brackets 5 are used for fixing the switch shell 1, and one end of the fixing plate 3 penetrates through the top of the switch shell 1, so that the fixing plate 3 can move in the switch shell 1; two motors 19 are fixedly connected inside the movable plate 11, pulleys 20 are fixedly connected at the driving front ends of the two motors 19, the pulleys 20 can be driven to rotate by starting the motors 19, and fixed shafts 21 are fixedly connected to the outer surfaces of the pulleys 20, so that the fixed shafts 21 can move along with the pulleys 20; the two sides of the inner wall of the switch housing 1 are respectively provided with a first clamping groove 26, the first clamping grooves 26 are used for fixing the movable plate 11, the two sides of the inner wall of the switch housing 1 are respectively provided with a second clamping groove 27, the second clamping grooves 27 are positioned below the first clamping grooves 26, and the second clamping grooves 27 are used for fixing the movable plate 11; the two sides of the movable plate 11 are respectively provided with an opening 25, the openings 25 are connected with a sliding block 24 in an embedded manner, the sliding block 24 can move along the openings 25, the sliding block 24 is fixedly connected with a rotating shaft 23, the rotating shaft 23 can promote the sliding block 24 to move, the rotating shaft 23 and the fixed shaft 21 are jointly connected with a movable rod 22 in a rotating manner, and the movable rod 22 can rotate around the rotating shaft 23; the first contact piece 17 corresponds to the position of the first terminal 14 so that the first contact piece 17 can be in contact with the first terminal 14, and the second contact piece 18 corresponds to the position of the second terminal 15 so that the second contact piece 18 can be in contact with the second terminal 15; one end of the fixing rod 7 penetrates through the baffle 9, the fixing rod 7 can penetrate through the baffle 9 to move, one end of the first spring 8 is fixedly connected with the center of the top of the baffle 9, and the fixing plate 3 and the baffle 9 can compress the first spring 8.

The working principle is as follows: when the button switch is used, the button 4 is pressed to drive the fixed plate 3 to move downwards, the connecting plate 6 is driven to move, the fixed rod 7 is driven to move, the first spring 8 is extruded, the fixed rod 7 pushes the movable plate 11 to move, the second spring 10 is in a stretching state, the first connecting rod 12 and the second connecting rod 13 are driven to move, the first contact piece 17 and the second contact piece 18 are driven to move until the second contact piece 18 is contacted with the second terminal 15, so that the second circuit is electrified, if only the second circuit is electrified, the motor 19 is started to drive the pulley 20 to rotate, the fixed shaft 21 is driven to move, the movable rod 22 is driven to move, the rotating shaft 23 is driven to move, the sliding block 24 is driven to move along the opening 25, the sliding block 24 is embedded into the first clamping groove 26 to fix the movable plate 11, so that the second circuit is electrified all the time, the button 4 is loosened, the first spring 8 is restored to the original, if the first line and the second line are required to be simultaneously electrified, the first contact piece 17 continues to move until the first contact piece 17 contacts the first terminal 14, so that the first line is electrified, the motor 19 is started to drive the pulley 20 to rotate, so that the fixed shaft 21 moves, the movable rod 22 is driven to move, the rotating shaft 23 is driven to move, the slider 24 is driven to move along the opening 25, until the slider 24 is embedded into the first clamping groove 26, the movable plate 11 is fixed, so that the first line and the second line are always electrified, the button 4 is loosened, the first spring 8 is restored, the button 4 is restored to the original position, if the first line and the second line are closed, the motor 19 is started to drive the pulley 20 to rotate, so that the fixed shaft 21 moves, the movable rod 22 is driven to move, the rotating shaft 23 is driven to move, the slider 24 is driven to move along the opening 25, until the slider 24 is separated from the first clamping groove 26, and the second, the movable plate 11 is pulled to move upward, so that the first contact piece 17 is out of contact with the first terminal 14, the second contact piece 18 is out of contact with the second terminal 15, and the first line and the second line are powered off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A push-button switch comprising a switch case (1), characterized in that: the top of the switch shell (1) is close to a central position and is fixedly connected with a pressure reducing plate (2), the top central position of the switch shell (1) is provided with a fixed plate (3), the top of the fixed plate (3) is fixedly connected with a button (4), the bottom of the fixed plate (3) is close to two sides and is fixedly connected with two connecting plates (6), the bottom central position of the fixed plate (3) is fixedly connected with a fixed rod (7), the bottom of the fixed plate (3) is fixedly connected with a first spring (8), the inside of the switch shell (1) is fixedly connected with a baffle (9), a movable plate (11) is arranged below the baffle (9), a plurality of second springs (10) are fixedly connected between the bottom of the baffle (9) and the top of the movable plate (11), one side of the bottom of the movable plate (11) is fixedly connected with a first connecting rod (, the bottom fixedly connected with first contact (17) of head rod (12), the bottom opposite side fixedly connected with second connecting rod (13) of fly leaf (11), the bottom fixedly connected with second contact (18) of second connecting rod (13), the position fixedly connected with first terminal (14) that inner wall one side of switch housing (1) is close to the bottom, two third springs (16) of inner diapire fixedly connected with of switch housing (1), two the one end fixedly connected with second terminal (15) of third spring (16).

2. A push button switch according to claim 1, wherein: the outer fixed surface of switch shell (1) is connected with a plurality of installing supports (5), the top of switch shell (1) is run through to the one end of fixed plate (3).

3. A push button switch according to claim 1, wherein: the inside fixedly connected with two motors (19) of fly leaf (11), two the equal fixedly connected with pulley (20) of drive front end of motor (19), the surface fixed connection of pulley (20) has fixed axle (21).

4. A push button switch according to claim 1, wherein: the switch is characterized in that first clamping grooves (26) are formed in two sides of the inner wall of the switch shell (1), second clamping grooves (27) are formed in two sides of the inner wall of the switch shell (1), and the second clamping grooves (27) are located below the first clamping grooves (26).

5. A push button switch according to claim 1, wherein: both sides of fly leaf (11) all are provided with opening (25), opening (25) gomphosis is connected with slider (24), the surface fixed connection of slider (24) has pivot (23), pivot (23) and fixed axle (21) rotate jointly and are connected with movable rod (22).

6. A push button switch according to claim 1, wherein: the first contact piece (17) corresponds to the position of the first terminal (14), and the second contact piece (18) corresponds to the position of the second terminal (15).

7. A push button switch according to claim 1, wherein: one end of the fixing rod (7) penetrates through the baffle (9), and one end of the first spring (8) is fixedly connected with the center of the top of the baffle (9).