CN220627646U - Waterproof micro-switch - Google Patents
Waterproof micro-switch Download PDFInfo
- Publication number
- CN220627646U CN220627646U CN202321958301.6U CN202321958301U CN220627646U CN 220627646 U CN220627646 U CN 220627646U CN 202321958301 U CN202321958301 U CN 202321958301U CN 220627646 U CN220627646 U CN 220627646U
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- Prior art keywords
- terminal
- waterproof
- inner terminal
- housing
- button
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- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 238000007789 sealing Methods 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000926 separation method Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a waterproof micro switch, which comprises a shell, a terminal component, a quick-acting mechanism, a driving rod component and a waterproof mechanism, wherein the terminal component, the quick-acting mechanism, the driving rod component and the waterproof mechanism are arranged in the shell; the terminal component comprises an inner terminal and an outer terminal, the inner terminal comprises a public inner terminal, a normally closed inner terminal and a normally open inner terminal, and the outer terminal comprises a public outer terminal, a normally closed outer terminal and a normally open outer terminal; the quick-acting mechanism is positioned on the public inner terminal, and the driving rod component is used for driving the quick-acting mechanism to be in contact with the normally closed inner terminal or the normally open inner terminal; the driving rod part comprises a button and a pressing plate part; the waterproof mechanism comprises a first waterproof mechanism arranged between the inner terminal and the outer terminal and a second waterproof mechanism arranged between the button and the shell; the utility model can prevent the problems of short circuit, faults and the like caused by rainwater flowing into the shell under severe environments such as damp, raining and the like, so that the micro switch can meet the waterproof requirement, reliably work and meet the use requirement.
Description
[ field of technology ]
The utility model relates to the technical field of microswitches, in particular to a waterproof microswitch.
[ background Art ]
The micro switch is a common electronic component, and the adjacent contact controls the element to control the on-off of the circuit, detect the position state and the like; the structure of the micro switch generally comprises a shell, and a public terminal, a normally closed terminal, a normally open terminal, a movable contact piece, an elastic reset piece, a button and the like which are arranged in the shell; one end of the movable contact piece is communicated with the common terminal, the contact at the other end is instantly connected and communicated between the normally closed terminal and the normally open terminal, and the switching action of the movable contact piece is controlled by the cooperation of the button and the elastic reset piece;
however, under severe environments, such as damp, raining and other scenes, the traditional micro-switch often cannot meet waterproof requirements, so that problems of short circuit, faults and the like of a circuit are caused, reliable work cannot be performed, and the use requirements cannot be met.
[ utility model ]
The utility model provides a waterproof micro switch for solving the problem that the existing micro switch is easy to enter water to cause circuit short circuit and fault.
The utility model is realized by the following technical scheme:
a waterproof micro switch comprises a shell, a terminal component, a quick-acting mechanism, a driving rod component and a waterproof mechanism, wherein the terminal component, the quick-acting mechanism, the driving rod component and the waterproof mechanism are arranged in the shell;
the terminal component comprises an inner terminal and an outer terminal correspondingly connected with the inner terminal, the inner terminal comprises a public inner terminal, a normally closed inner terminal and a normally open inner terminal, and the outer terminal comprises a public outer terminal, a normally closed outer terminal and a normally open outer terminal;
the quick-acting mechanism is positioned on the public inner terminal, and the driving rod component is used for driving the quick-acting mechanism to be in contact with the normally-closed inner terminal or the normally-open inner terminal;
the driving rod component comprises a button which is inserted on the shell and is used for being in pressing fit with the quick-action mechanism, and a pressing plate part, one end of which is hinged with the shell and is used for being in pressing fit with the button;
the waterproof mechanism comprises a first waterproof mechanism arranged between the inner terminal and the outer terminal, and a second waterproof mechanism arranged between the button and the shell.
The waterproof micro switch comprises a sealing mechanism arranged between the shell and the outer terminal, and a separation mechanism arranged between the outer terminal and the inner terminal.
The waterproof micro switch is characterized in that the sealing mechanism comprises a sealing groove arranged on the shell, and a sealing rubber ring sleeved on the outer side wall of the outer terminal and used for being inserted into the sealing groove.
The waterproof micro switch comprises the separation groove arranged on the shell, the conductive separation piece inserted into the separation groove, and the separation rubber ring sleeved on the periphery of the conductive separation piece and inserted into the separation groove.
The waterproof micro switch comprises the outer terminal, the outer terminal and the inner terminal, wherein the outer terminal comprises the transverse part which is used for being in pressing fit with one side of the conductive partition piece, the longitudinal part is connected with one end of the transverse part, the other end of the longitudinal part extends out of the shell, and the inner terminal is further provided with the connecting convex edge which is used for being in pressing fit with the other side of the conductive partition piece.
The waterproof micro switch comprises the waterproof sliding groove which is arranged on the shell and surrounds the outer side of the button, the waterproof sliding groove is sleeved on the outer side wall of the button and used for being inserted into the waterproof sliding groove, and the button sealing ring is used for moving along the width direction of the waterproof sliding groove.
According to the waterproof micro switch, the waterproof sliding groove is internally provided with the inserting groove, and the button sealing ring is also provided with the sealing convex edge which is used for being inserted into the inserting groove.
The waterproof micro switch comprises the first shell, the second shell correspondingly covered with the first shell, and the third waterproof mechanism arranged between the first shell and the second shell.
The waterproof micro switch comprises the first waterproof groove arranged on the first shell, the second waterproof groove arranged on the second shell and used for being correspondingly matched with the first waterproof groove, and the shell sealing piece respectively inserted into the first waterproof groove and the second waterproof groove.
The waterproof micro switch comprises a movable contact piece hinged with one end of the public inner terminal, and an elastic reset piece used for connecting the public inner terminal and the movable contact piece;
when the pressing plate part is pressed and pushes the button, the button pushes the elastic reset piece, and the elastic reset piece drives the movable contact piece to contact with the normally closed inner end; when the pressing plate part is not pressed, the elastic reset piece resets and drives the movable contact piece to contact with the normally open inner terminal.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a waterproof micro switch, which comprises an inner terminal, an outer terminal correspondingly connected with the inner terminal, wherein the inner terminal comprises a public inner terminal, a normally closed inner terminal and a normally open inner terminal, the outer terminal comprises a public outer terminal, a normally closed outer terminal and a normally open outer terminal, and a first waterproof mechanism is arranged among the inner terminal, the outer terminal and a shell, and a second waterproof mechanism is arranged between a button and the shell to prevent the problems of short circuit, faults and the like caused by rainwater flowing into the shell under severe environments such as damp, raining and the like, so that the micro switch can meet waterproof requirements, reliably work and meet use requirements.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of an exploded structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded structure of the present utility model;
FIG. 3 is a schematic diagram of an exploded construction of the present utility model;
FIG. 4 is a schematic diagram of an exploded construction of the present utility model;
fig. 5 is a schematic cross-sectional view of the present utility model.
[ detailed description ] of the utility model
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the specific embodiment, as shown in fig. 1 to 5, a waterproof micro switch comprises a shell 1, a terminal part 2 arranged in the shell 1, a quick-acting mechanism 3, a driving rod part 4 and a waterproof mechanism 5;
the terminal part 2 includes an inner terminal 21, and an outer terminal 22 correspondingly connected to the inner terminal 21, the inner terminal 21 including a common inner terminal 211, a normally closed inner terminal 212, and a normally open inner terminal 213, the outer terminal 22 including a common outer terminal 221, a normally closed outer terminal 222, and a normally open outer terminal 223;
said quick-action mechanism 3 is located on said common internal terminal 211, said driving rod member 4 being adapted to drive said quick-action mechanism 3 into contact with said normally closed internal terminal 212 or said normally open internal terminal 213;
the driving rod part 4 comprises a button 41 which is inserted on the shell 1 and is used for being in press fit with the quick-action mechanism 3, and a pressing plate part 42 which is hinged with the shell 1 at one end and is used for being in press fit with the button 41;
the waterproof mechanism 5 includes a first waterproof mechanism 6 provided between the inner terminal 21 and the outer terminal 22, and a second waterproof mechanism 7 provided between the push button 41 and the housing 1; the terminal component 2 comprises an inner terminal 21 and an outer terminal 22 correspondingly connected with the inner terminal 21, wherein the inner terminal 21 comprises a public inner terminal 211, a normally closed inner terminal 212 and a normally open inner terminal 213, the outer terminal 22 comprises a public outer terminal 221, a normally closed outer terminal 222 and a normally open outer terminal 223, and a first waterproof mechanism 6 is arranged among the inner terminal 21, the outer terminal 22 and the shell 1, and a second waterproof mechanism 7 is arranged between the button 41 and the shell 1, so that the problems of short circuit, faults and the like caused by rainwater flowing into the shell 1 in severe environments such as damp, rainy and the like are prevented, the micro switch can meet waterproof requirements, reliably work and meet use requirements.
Still further, the first waterproof mechanism 6 includes a sealing mechanism 61 provided between the housing 1 and the outer terminal 22, and a partitioning mechanism 62 provided between the outer terminal 22 and the inner terminal 21; by the cooperation between the seal mechanism 61 and the partition mechanism 62, the sealability is further improved, and rainwater is prevented from flowing into the housing 1.
Specifically, the sealing mechanism 61 includes a sealing groove 611 provided on the housing 1, and a sealing rubber ring 612 sleeved on the outer side wall of the outer terminal 22 and used for being inserted into the sealing groove 611; the sealing rubber ring 612 is preferably a silicone gasket, so as to improve the sealing property between the outer terminal 22 and the housing 1.
More specifically, the partition mechanism 62 includes a partition groove 621 provided on the housing 1, a conductive partition 622 inserted into the partition groove 621, and a partition rubber ring 623 fitted around the conductive partition 622 and inserted into the partition groove 621; the spacer rubber 623 is preferably a silicone gasket, the conductive spacer 622 is preferably a conductive metal sheet for maintaining electrical connection between the inner terminal 21 and the outer terminal 22, and the conductive spacer 622 is used for separating the inner terminal 21 and the outer terminal 22 and maintaining electrical connection between the inner terminal 21 and the outer terminal 22 in the housing 1, thereby further improving sealability.
In addition, the outer terminal 22 includes a transverse portion 224 for being held in press-fit with one side of the conductive spacer 622, and a longitudinal portion 225 having one end connected to the transverse portion 224 and the other end extending out of the housing 1, and the inner terminal 21 is further provided with a connecting flange 214 for being held in press-fit with the other side of the conductive spacer 622; the two sealing mechanisms 61 are respectively arranged on the transverse portion 224 and the longitudinal portion 225, so that the waterproof effect is improved.
The second waterproof mechanism 7 includes a waterproof chute 71 provided on the housing 1 and surrounding the outside of the button 41, a button seal 72 sleeved on the outside wall of the button 41 and inserted into the waterproof chute 71, and the button seal 72 is configured to move along the width direction of the waterproof chute 71; the waterproof sliding groove 71 is opened along a side wall facing the button 41, the width of the waterproof sliding groove 71 is larger than the thickness of the button sealing ring 72, the button sealing ring 72 is preferably a silica gel gasket, and when the button 41 moves up and down, the button 41 drives the button sealing ring 72 to slide in the waterproof sliding groove 71 so as to keep sealing between the casing 1 and the button 41.
Further, a plugging groove 711 is further provided in the waterproof chute 71, and a sealing flange 721 for being inserted into the plugging groove 711 is further provided on the button sealing ring 72; the insertion groove 711 is opened along the inner surface facing the housing 1, and the sealing flange 721 is slidably inserted into the insertion groove 711, thereby further improving the sealing property.
Further, the housing 1 includes a first housing 11, and a second housing 12 corresponding to the first housing 11, and the waterproof mechanism 5 further includes a third waterproof mechanism 8 disposed between the first housing 11 and the second housing 12; the first housing 11 and the second housing 12 are preferably fixedly connected by bolts, and the sealability between the first housing 11 and the second housing 12 is increased by the third waterproof mechanism 8.
Further, the third waterproof mechanism 8 includes a first waterproof groove 81 provided on the first housing 11, a second waterproof groove 82 provided on the second housing 12 and adapted to be correspondingly fitted with the first waterproof groove 81, and housing seals 83 respectively inserted into the first waterproof groove 81 and the second waterproof groove 82; the housing seal 83 is preferably a silicone gasket that prevents external rain water from flowing into the housing 1 through the first housing 11 and the second housing 12.
Specifically, the quick-action mechanism 3 includes a movable contact piece 31 hinged to one end of the common inner terminal 211, and an elastic restoring piece 32 for connecting the common inner terminal 211 and the movable contact piece 31;
when the pressing plate 42 is pressed and pushes the button 41, the button 41 pushes the elastic reset piece 32, and the elastic reset piece 32 drives the movable contact piece 31 to contact with the normally closed inner terminal 212; when the pressing plate 42 is not pressed, the elastic reset piece 32 resets and drives the movable contact piece 31 to contact with the normally open inner terminal 213; the elastic restoring member 32 is preferably a tension spring.
The working principle of this embodiment is as follows:
the utility model relates to a waterproof micro switch, which comprises a shell 1, a terminal part 2, a quick-acting mechanism 3, a driving rod part 4 and a waterproof mechanism 5, wherein the terminal part 2, the quick-acting mechanism 3, the driving rod part 4 and the waterproof mechanism 5 are arranged in the shell 1;
the terminal part 2 includes an inner terminal 21, and an outer terminal 22 correspondingly connected to the inner terminal 21, the inner terminal 21 including a common inner terminal 211, a normally closed inner terminal 212, and a normally open inner terminal 213, the outer terminal 22 including a common outer terminal 221, a normally closed outer terminal 222, and a normally open outer terminal 223;
said quick-action mechanism 3 is located on said common internal terminal 211, said driving rod member 4 being adapted to drive said quick-action mechanism 3 into contact with said normally closed internal terminal 212 or said normally open internal terminal 213;
the driving rod part 4 comprises a button 41 which is inserted on the shell 1 and is used for being in press fit with the quick-action mechanism 3, and a pressing plate part 42 which is hinged with the shell 1 at one end and is used for being in press fit with the button 41;
the waterproof mechanism 5 includes a first waterproof mechanism 6 provided between the inner terminal 21 and the outer terminal 22, and a second waterproof mechanism 7 provided between the push button 41 and the housing 1; the terminal component 2 comprises an inner terminal 21 and an outer terminal 22 correspondingly connected with the inner terminal 21, wherein the inner terminal 21 comprises a public inner terminal 211, a normally closed inner terminal 212 and a normally open inner terminal 213, the outer terminal 22 comprises a public outer terminal 221, a normally closed outer terminal 222 and a normally open outer terminal 223, and a first waterproof mechanism 6 is arranged among the inner terminal 21, the outer terminal 22 and the shell 1, and a second waterproof mechanism 7 is arranged between the button 41 and the shell 1, so that the problems of short circuit, faults and the like caused by rainwater flowing into the shell 1 in severe environments such as damp, rainy and the like are prevented, the micro switch can meet waterproof requirements, reliably work and meet use requirements.
The above description of one embodiment provided in connection with the specific content does not set forth limitation to the specific implementation of the present utility model, and is not limited to the above designations but is not limited to english designations due to the different industry designations. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model. And (3) capacity.
Claims (10)
1. A waterproof micro-gap switch, its characterized in that: comprises a shell (1), a terminal component (2), a quick-acting mechanism (3), a driving rod component (4) and a waterproof mechanism (5) which are arranged in the shell (1);
the terminal part (2) comprises an inner terminal (21) and an outer terminal (22) correspondingly connected with the inner terminal (21), wherein the inner terminal (21) comprises a common inner terminal (211), a normally closed inner terminal (212) and a normally open inner terminal (213), and the outer terminal (22) comprises a common outer terminal (221), a normally closed outer terminal (222) and a normally open outer terminal (223);
the quick-acting mechanism (3) is positioned on the public inner terminal (211), and the driving rod component (4) is used for driving the quick-acting mechanism (3) to be in contact with the normally-closed inner terminal (212) or the normally-open inner terminal (213);
the driving rod component (4) comprises a button (41) which is inserted on the shell (1) and is used for being in pressing fit with the quick-acting mechanism (3), and a pressing plate part (42) which is hinged with the shell (1) at one end and is used for being in pressing fit with the button (41);
the waterproof mechanism (5) comprises a first waterproof mechanism (6) arranged between the inner end (21) and the outer terminal (22), and a second waterproof mechanism (7) arranged between the button (41) and the shell (1).
2. A waterproof microswitch according to claim 1, wherein the first waterproof mechanism (6) comprises a sealing mechanism (61) provided between the housing (1) and the outer terminal (22), and a separating mechanism (62) provided between the outer terminal (22) and the inner terminal (21).
3. A water-proof micro-switch according to claim 2, wherein the sealing mechanism (61) comprises a sealing groove (611) arranged on the housing (1), and a sealing rubber ring (612) sleeved on the outer side wall of the outer terminal (22) and used for being inserted into the sealing groove (611).
4. A water-proof micro switch according to claim 3, wherein the partition mechanism (62) comprises a partition groove (621) provided on the housing (1), a conductive partition member (622) inserted into the partition groove (621), and a partition rubber ring (623) fitted around the conductive partition member (622) and inserted into the partition groove (621).
5. A water-resistant microswitch according to claim 4, wherein the outer terminal (22) comprises a transverse portion (224) for holding a press fit with one side of the conductive partition (622), and a longitudinal portion (225) having one end connected to the transverse portion (224) and the other end protruding to the outside of the housing (1), and the inner terminal (21) is further provided with a connecting flange (214) for holding a press fit with the other side of the conductive partition (622).
6. The waterproof micro switch according to claim 1, wherein the second waterproof mechanism (7) comprises a waterproof chute (71) arranged on the shell (1) and surrounding the outer side of the button (41), a button sealing ring (72) sleeved on the outer side wall of the button (41) and used for being inserted into the waterproof chute (71), and the button sealing ring (72) is used for moving along the width direction of the waterproof chute (71).
7. The waterproof micro switch according to claim 6, wherein an insertion groove (711) is further formed in the waterproof sliding groove (71), and a sealing protruding edge (721) for being inserted into the insertion groove (711) is further formed on the button sealing ring (72).
8. A water-proof micro switch according to claim 1, wherein the housing (1) comprises a first housing (11) and a second housing (12) corresponding to the first housing (11), and the water-proof mechanism (5) further comprises a third water-proof mechanism (8) arranged between the first housing (11) and the second housing (12).
9. A water-proof micro switch according to claim 8, wherein the third water-proof mechanism (8) comprises a first water-proof groove (81) provided on the first housing (11), a second water-proof groove (82) provided on the second housing (12) and adapted to be correspondingly matched with the first water-proof groove (81), and housing seals (83) respectively inserted into the first water-proof groove (81) and the second water-proof groove (82).
10. A water-proof microswitch according to claim 1, characterized in that said snap-action mechanism (3) comprises a movable contact piece (31) hinged to one end of said common inner terminal (211), an elastic return piece (32) for connecting said common inner terminal (211) and said movable contact piece (31);
when the pressing plate part (42) is pressed and pushes the button (41), the button (41) pushes the elastic reset piece (32), and the elastic reset piece (32) drives the movable contact piece (31) to be in contact with the normally closed inner terminal (212); when the pressing plate part (42) is not pressed, the elastic reset piece (32) resets and drives the movable contact piece (31) to be in contact with the normally open inner terminal (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958301.6U CN220627646U (en) | 2023-07-24 | 2023-07-24 | Waterproof micro-switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958301.6U CN220627646U (en) | 2023-07-24 | 2023-07-24 | Waterproof micro-switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220627646U true CN220627646U (en) | 2024-03-19 |
Family
ID=90221005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321958301.6U Active CN220627646U (en) | 2023-07-24 | 2023-07-24 | Waterproof micro-switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220627646U (en) |
-
2023
- 2023-07-24 CN CN202321958301.6U patent/CN220627646U/en active Active
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| GR01 | Patent grant |