Button dustproof switch

Abstract

The utility model relates to the technical field of button switches, in particular to a button dustproof switch, which comprises a shell, the shell comprises an upper shell and a lower shell which are clamped together, a first conductive connecting piece and a second conductive connecting piece are fixedly connected inside the upper shell, one end of the second conductive connecting piece is fixedly connected with a bending part, and the other end of the second conductive connecting piece is fixedly connected with a clamping part. One side of the bending part is fixedly connected with a static contact, a clamping groove is formed in the first conductive connecting piece, the moving contact and the static contact can be made to make contact by pressing the button, the switch is turned on, the moving contact and the static contact can be made to be separated by pressing the button again, and the switch is turned off, operation is easy, use is convenient, and practicability is high. Meanwhile, the pressure direction of the positioning spring on the bridge is changed after the button is pressed, so that the position of the bridge is more stable when the switch is turned on and turned off, the positioning effect is better, and the safety and reliability of the switch in turning on and turning off are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of button switches, in particular to a button dustproof switch. Background Art

[0002] The push button switch conducts or switches the circuit by the contact connection between the moving contact piece and the stationary contact piece linked with the button, thereby realizing the switching operation of the home appliance.

[0003] In the prior art, the push button switch proposed in patent application number "CN201220494804.8" includes a base, an end cover and a reset spring. The base and the end cover are fixedly connected. A plurality of axial button channels are provided on the inner wall of the end cover, and locking blocks are provided between the button channels. The locking blocks are provided with locking grooves of a shape matching the ratchet. The switch has the advantages of simple structure, easy operation and locking function.

[0004] However, in the prior art, such as the push button switch proposed in patent application number "CN201220494804.8", a locking block and a locking slot cooperate to lock the switch when it is opened or closed. The structure is complex, the positioning effect is poor, and it is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a push button dustproof switch to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A push button dustproof switch comprises a shell, the shell comprises an upper shell and a lower shell which are snapped together, a first conductive connector and a second conductive connector are fixedly connected inside the upper shell, one end of the second conductive connector is fixedly connected to a bending portion, and one side of the bending portion is fixedly connected to a static contact.

[0008] A slot is provided on the first conductive connecting member, and an electric bridge is movably connected to the slot. A moving contact is fixedly connected to the electric bridge and located on one side of the static contact. A cavity is provided on the electric bridge, and a movable rectangular block is provided in the outer shell. One end of the rectangular block passes through the cavity and extends to the outside of the electric bridge. A positioning spring is fixedly connected between the inner wall of the cavity and the rectangular block, and a positioning sleeve is provided on the outer surface of the positioning spring.

[0009] Preferably, protrusions are provided on the rectangular block and on the inner wall of the cavity, and the two protrusions are respectively located at two ends of the positioning sleeve.

[0010] Preferably, the first conductive connector and the second conductive connector are both fixedly connected with a live wire connector, two neutral wire connectors are fixedly connected in the lower shell and below the live wire connector, and a conductive contact is fixedly connected between the two neutral wire connectors.

[0011] Preferably, a sealing ring is fixedly connected inside the lower shell, a connecting rod is fixedly connected to one side of the rectangular block, a button is fixedly connected to one end of the connecting rod and located outside the lower shell, and the sealing ring is sleeved on the outer surface of the connecting rod.

[0012] Preferably, an adjusting spring is fixedly connected in the lower shell and on both sides of the connecting rod, one end of the adjusting spring is fixedly connected to the button, a clamping cam is fixedly connected in the lower shell, and a clamping hole used in conjunction with the clamping cam is opened on the upper shell.

[0013] Preferably, a penetration groove is provided at the bottom of the upper shell, a clamping groove is provided at one side of the upper shell, a clamping block is fixedly connected to one side of the lower shell, an elastic clamping part is fixedly connected to the top of the clamping block, and the top of the elastic clamping part is inclined.

[0014] Beneficial effects of the utility model:

[0015] The present invention can make the moving contact and the stationary contact contact to open the switch by pressing the button, and can separate the moving contact and the stationary contact to disconnect the switch by pressing the button again. The operation is simple and convenient to use. At the same time, the pressure direction of the positioning spring on the bridge is changed after pressing the button, so that the position of the bridge is more stable when the switch is opened and disconnected, and the positioning effect is better, thereby increasing the safety and reliability of the switch when it is opened and disconnected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This utility model Figure 1 A schematic diagram of the connection between the upper shell and the lower shell;

[0019] Figure 3 This utility model Figure 1 Schematic diagram of the structure inside the middle shell;

[0020] Figure 4 This utility model Figure 3Schematic diagram of the structure inside the middle positioning sleeve;

[0021] Figure 5 This utility model Figure 4 A schematic diagram of connection between a first conductive connector and a second conductive connector;

[0022] Figure 6 This utility model Figure 5 A side view of the second conductive connecting member.

[0023] The reference numerals in the figures are as follows:

[0024] 1. Shell, 101. Upper shell, 102. Lower shell, 3. First conductive connector, 4. Second conductive connector, 401. Bending portion, 5. Static contact, 6. Slot, 7. Bridge, 8. Moving contact, 9. Cavity, 10. Rectangular block, 11. Positioning spring, 12. Positioning sleeve, 13. Protrusion, 14. Live wire connector, 15. Neutral wire connector, 16. Conductive contact sheet, 17. Sealing ring, 18. Connecting rod, 19. Button, 20. Adjusting spring, 21. Clamping cam, 22. Clamping hole, 23. Penetrating groove, 24. Clamping groove, 25. Clamping block, 26. Elastic clamping portion. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] A push button dustproof switch comprises a shell 1, wherein the shell 1 comprises an upper shell 101 and a lower shell 102 which are snapped together, wherein a first conductive connector 3 and a second conductive connector 4 are fixedly connected inside the upper shell 101, wherein one end of the second conductive connector 4 is fixedly connected to a bending portion 401, and one side of the bending portion 401 is fixedly connected to a stationary contact 5.

[0027] A slot 6 is provided on the first conductive connecting member 3, and an electric bridge 7 is movably connected to the slot 6. A moving contact 8 is fixedly connected to the electric bridge 7 and located on one side of the static contact 5. A cavity 9 is provided on the electric bridge 7. A movable rectangular block 10 is provided in the housing 1. One end of the rectangular block 10 passes through the cavity 9 and extends to the outside of the electric bridge 7. A positioning spring 11 is fixedly connected between the inner wall of the cavity 9 and the rectangular block 10, and a positioning sleeve 12 is provided on the outer surface of the positioning spring 11.

[0028] like Figure 1 , Figure 4 and Figure 5The upper shell 101, the lower shell 102, the rectangular block 10, the connecting rod 18 and the button are all made of insulating materials to ensure the safety of the switch. The moving contact 8 and the static contact 5 are in a separated state, and the circuit is in a disconnected state. The bridge 7 is arranged at the slot 6 of the first conductive connector 3, so that the bridge 7 cannot be separated from the first conductive connector 3. One end of the bridge 7 can move in the slot 6, so that the direction of the bridge 7 can be adjusted.

[0029] The rectangular block 10 and the inner wall of the cavity 9 are both provided with protrusions 13 , and the two protrusions 13 are respectively located at the two ends of the positioning sleeve 12 .

[0030] like Figure 3 , Figure 4 , Figure 5 and Figure 6 By sleeve- ing the positioning sleeve 12 on the outside of the positioning spring 11, the positioning spring 11 can be assisted in positioning so that the positioning spring 11 will not bend. At the same time, the inner walls of the rectangular block 10 and the cavity 9 extend into the positioning sleeve 12 through a protrusion 13, so that the positioning sleeve 12 can be maintained between the inner walls of the rectangular block 10 and the cavity 9.

[0031] The first conductive connector 3 and the second conductive connector 4 are both fixedly connected with a live wire connector 14 . Two neutral wire connectors 15 are fixedly connected in the lower shell 102 and below the live wire connector 14 . A conductive contact piece 16 is fixedly connected between the two neutral wire connectors 15 .

[0032] like Figure 1 and Figure 3 The live wire connector 14 can be connected to an external live wire, and the neutral wire connector 15 can be connected to an external neutral wire. The two neutral wire connectors 15 are connected via a conductive contact 16 so that the neutral wire connectors 15 remain connected.

[0033] A sealing ring 17 is fixedly connected inside the lower shell 102 , a connecting rod 18 is fixedly connected to one side of the rectangular block 10 , a button 19 is fixedly connected to one end of the connecting rod 18 and located outside the lower shell 102 , and the sealing ring 17 is sleeved on the outer surface of the connecting rod 18 .

[0034] like Figure 1 and Figure 3 The sealing ring 17 is sleeved on the surface of the connecting rod 18, which can reduce the gap between the housing 1 and the connecting rod 18 without affecting the movement of the connecting rod 18 driven by pressing the button, thereby providing dustproof protection for the interior of the housing 1.

[0035] An adjusting spring 20 is fixedly connected inside the lower shell 102 and on both sides of the connecting rod 18, one end of the adjusting spring 20 is fixedly connected to the button 19, a clamping cam 21 is fixedly connected inside the lower shell 102, and a clamping hole 22 used in conjunction with the clamping cam 21 is opened on the upper shell 101.

[0036] like Figure 1 , Figure 2 and Figure 3 When the upper shell 101 and the lower shell 102 are brought close to each other, the clamping protrusion 21 can be clamped into the clamping hole 22 to assist in clamping the upper shell 101 and the lower shell 102.

[0037] A penetration groove 23 is provided at the bottom of the upper shell 101, a clamping groove 24 is provided at one side of the upper shell 101, a clamping block 25 is fixedly connected to one side of the lower shell 102, and an elastic clamping portion 26 is fixedly connected to the top of the clamping block 25, and the top of the elastic clamping portion 26 is inclined.

[0038] like Figure 1 and Figure 2 When the upper shell 101 and the lower shell 102 are close to each other, the inner wall of the penetration groove 23 will squeeze the inclined surface of the elastic clamping part 26, so that the top of the clamping block 25 and the elastic clamping part 26 pass through the penetration groove 23 and extend into the interior of the clamping groove 24. The elastic clamping part 26 is reset and cannot pass through the penetration groove 23 again, so that the upper shell 101 and the lower shell 102 cannot be separated, and the upper shell 101 and the lower shell 102 are clamped together.

[0039] The working principle of a button dustproof switch provided by the utility model is as follows:

[0040] When the switch needs to be turned on, the button 19 is pressed, and the button 19 squeezes the rectangular block 10 through the connecting rod 18. When the rectangular block 10 moves, it drives one end of the positioning spring 11 to move, so that one end of the positioning spring 11 passes through the cavity 9. At this time, the positioning spring 11 applies a thrust to one end of the bridge 7 in the direction of the bent portion 401, so that the moving contact 8 and the static contact 5 are in contact with each other. At this time, the first conductive connector 3 and the second conductive connector 4 are connected through the bridge 7, and the switch is turned on;

[0041] When the switch needs to be disconnected, the button 19 is pressed again, and the button 19 squeezes the adjusting spring 20 again to increase the elastic potential energy of the adjusting spring 20. At this time, the button 19 is released again, and the adjusting spring 20 will stretch and push the button 19 under the action of inertia, so that the button 19 moves away from the housing 1. The button 19 drives the rectangular block 10 to move together through the connecting rod 18, and the rectangular block 10 drives the positioning spring 11 to pass out of the cavity 9. At this time, the adjusting spring 11 applies pressure to one end of the bridge 7 in the direction away from the bending portion 401, so that the moving contact 8 and the static contact 5 are separated, and the switch is disconnected.

[0042] Compared with the related art, the button dustproof switch provided by the utility model has the following beneficial effects:

[0043] The present invention can make the moving contact 8 and the stationary contact 5 contact to turn on the switch by pressing the button 19, and can separate the moving contact 8 and the stationary contact 5 to turn off the switch by pressing the button 19 again. The operation is simple and convenient to use. At the same time, after pressing the button 19, the pressure direction of the positioning spring 11 on the bridge 7 is changed, so that the position of the bridge 7 is more stable when the switch is opened and opened, thereby increasing the safety and reliability of the switch when it is opened and opened.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A push button dustproof switch, comprising a housing (1), the housing (1) comprising an upper housing (101) and a lower housing (102) that are snap-connected together, characterized in that: A first conductive connector (3) and a second conductive connector (4) are fixedly connected inside the upper housing (101); one end of the second conductive connector (4) is fixedly connected to a bent portion (401); and one side of the bent portion (401) is fixedly connected to a stationary contact (5); The first conductive connecting member (3) is provided with a slot (6), a bridge (7) is movably connected to the slot (6), a movable contact (8) is fixedly connected to the bridge (7) and located on one side of the stationary contact (5), a cavity (9) is provided on the bridge (7), a movable rectangular block (10) is arranged in the housing (1), one end of the rectangular block (10) passes through the cavity (9) and extends to the outside of the bridge (7), a positioning spring (11) is fixedly connected between the inner wall of the cavity (9) and the rectangular block (10), and a positioning sleeve (12) is sleeved on the outer surface of the positioning spring (11).

2. A push button dustproof switch according to claim 1, characterized in that: The rectangular block (10) and the inner wall of the cavity (9) are both provided with protrusions (13), and the two protrusions (13) are respectively located at the two ends of the positioning sleeve (12).

3. A push button dustproof switch according to claim 2, characterized in that: The first conductive connector (3) and the second conductive connector (4) are both fixedly connected with a live wire connector (14), two neutral wire connectors (15) are fixedly connected in the lower housing (102) and below the live wire connector (14), and a conductive contact piece (16) is fixedly connected between the two neutral wire connectors (15).

4. A push button dustproof switch according to claim 3, characterized in that: A sealing ring (17) is fixedly connected inside the lower shell (102), a connecting rod (18) is fixedly connected to one side of the rectangular block (10), a button (19) is fixedly connected to one end of the connecting rod (18) and located outside the lower shell (102), and the sealing ring (17) is sleeved on the outer surface of the connecting rod (18).

5. A push button dustproof switch according to claim 4, characterized in that: An adjusting spring (20) is fixedly connected in the lower shell (102) and on both sides of the connecting rod (18); one end of the adjusting spring (20) is fixedly connected to the button (19); a clamping cam (21) is fixedly connected in the lower shell (102); and a clamping hole (22) for use with the clamping cam (21) is provided on the upper shell (101).

6. A push button dustproof switch according to claim 5, characterized in that: The bottom of the upper shell (101) is provided with a penetration groove (23), one side of the upper shell (101) is provided with a clamping groove (24), one side of the lower shell (102) is fixedly connected with a clamping block (25), the top of the clamping block (25) is fixedly connected with an elastic clamping portion (26), and the top of the elastic clamping portion (26) is inclined.

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