CN218957602U

CN218957602U - Dustproof mute micro-switch

Info

Publication number: CN218957602U
Application number: CN202222633079.4U
Authority: CN
Inventors: 王建伟
Original assignee: Hubei Gangyuan Electronics Co ltd
Current assignee: Hubei Gangyuan Electronics Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-05-02
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to the technical field of household, automobile and industrial electrical switches, and discloses a dustproof mute micro switch which comprises a base and a base cover, wherein an upper wiring metal sheet is arranged on the upper side of the inside of a control cavity, a lower wiring metal sheet is arranged on the lower side of the inside of the control cavity, a movable contact sheet is arranged on one side of the upper wiring metal sheet, which is positioned in the control cavity, a static contact sheet is arranged on the position, which corresponds to the movable contact sheet, of the lower wiring metal sheet, and a plastic push rod is movably connected in the chute. According to the utility model, the dustproof buckling rib structure is added, so that the dustproof capability of the device is improved, the short circuit and abnormal on-off of a switch are effectively avoided, the service life is prolonged, meanwhile, the movable contact and the static contact are electrified in a pressing contact mode, the plastic push rod is utilized for buffering when the movable contact returns, the mute effect is realized, and the use requirement is better met.

Description

Dustproof mute micro-switch

Technical Field

The utility model relates to the technical field of household, automobile and industrial electrical switches, in particular to a dustproof mute micro switch.

Background

Similar switches used in the market at present have no dustproof function, particularly under severe environments and outdoor use scenes, dust is easy to enter the switch, short circuit and abnormal on-off of the switch are caused, meanwhile, when the switch is manually operated, sound is quite loud, the volume of the micro switch in the market is generally more than 20 dB, and the requirement of the current high-end product on the mute effect of the switch is not met.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a dustproof mute micro switch.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dustproof silence micro-gap switch, includes base and basic lid, the front side at the base is installed to the basic lid, the inside of base is equipped with the control chamber, the inside upside in control chamber is provided with the wiring sheetmetal, the inside downside in control chamber is provided with down the wiring sheetmetal, the movable contact piece is installed to one side that goes up the wiring sheetmetal and is located the control chamber inside, the static contact piece is installed to one side that the wiring sheetmetal is located the control chamber inside and the position department corresponding with the movable contact piece down, upper surface one side of base is equipped with spout and is linked together with the control chamber inside, the inside swing joint of spout has the plastics push rod, the upper surface opposite side swing joint of base has the switch plectrum.

As a further description of the above technical solution:

one end of the upper wiring metal sheet and one end of the lower wiring metal sheet penetrate through one end of the base and extend to the outside, and wiring grooves are formed in one side of the upper wiring metal sheet and one side of the lower wiring metal sheet, which are located outside the base.

As a further description of the above technical solution:

one side of the base is fixedly connected with a separation block at the position between the upper wiring metal sheet and the lower wiring metal sheet.

As a further description of the above technical solution:

the dustproof buckling rib is fixedly connected to the outer side of the front end of the base in a circle, and an embedded groove is formed in the position, corresponding to the dustproof buckling rib, of the outer side of one end, close to the base, of the base cover.

As a further description of the above technical solution:

the inside of base still is provided with three mounting groove, the base lid is close to the one end of base and the corresponding position department of mounting groove all fixedly connected with double-screw bolt, threaded connection has the nut on the external diameter of double-screw bolt.

The utility model has the following beneficial effects:

1. according to the utility model, the three studs of the base cover are aligned with the three mounting grooves on the base, then the base cover is pressed to clamp the dustproof buckling ribs into the embedded grooves, and then the wrench is used for rotating and tightening the nuts, so that the installation of the integral structure can be completed, the operation is simple, the installation is convenient, meanwhile, the dustproof buckling rib structure is increased, the dustproof capability of the device is improved, the short circuit and abnormal on-off of a switch are effectively avoided, and the service life is prolonged.

2. According to the utility model, the power-on is realized by adopting the mode that the movable contact and the static contact are conducted through pressing contact, and when the movable contact returns upwards, the plastic push rod can play a good role in buffering, so that the noise is reduced, the volume is controlled below 5 dB during manual operation, the mute effect is realized, and the use requirement is better met.

Drawings

Fig. 1 is a schematic perspective view of a dustproof mute micro switch provided by the utility model;

FIG. 2 is a front cross-sectional view of a base of a dust-proof mute micro-switch according to the present utility model;

fig. 3 is a rear perspective view of a base cover in a dust-proof mute micro switch according to the present utility model.

Legend description:

1. a base; 2. a base cover; 3. a control chamber; 4. a wiring metal sheet is arranged on the upper wiring metal sheet; 5. a lower wiring metal sheet; 6. wiring grooves; 7. a movable contact; 8. a stationary contact; 9. a chute; 10. a plastic push rod; 11. a switch pulling piece; 12. a separation block; 13. dustproof buckling ribs; 14. a mounting groove; 15. an embedding groove; 16. a stud; 17. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a dustproof silence micro-gap switch, including base 1 and basic cap 2, the front side at base 1 is installed to basic cap 2, both make up and form basic structure, the inside of base 1 is equipped with control chamber 3, make things convenient for the interior part activity, the inside upside of control chamber 3 is provided with wiring sheetmetal 4, the inside downside of control chamber 3 is provided with down wiring sheetmetal 5, the movable contact piece 7 is installed to one side that goes up wiring sheetmetal 4 and is located the control chamber 3 inside, lower wiring sheetmetal 5 is located one side of control chamber 3 and the position department corresponding with movable contact piece 7 installs static contact piece 8, movable contact piece 7 and static contact piece 8 material are conductive metal, form the switch-on circuit after both contacts, upper surface one side of base 1 is equipped with spout 9 and spout 9 is linked together with the control chamber 3 inside, the inside swing joint of spout 9 has plastic push rod 10, the upper surface opposite side swing joint of base 1 has switch plectrum 11, dial switch plectrum 11 downwards, switch plectrum 11 down push rod 10, plastic push rod 10 pushes down metal sheet 4 and make movable contact piece 7 contact with down on metal sheet 5 down, make movable contact piece 7 contact with the static contact piece 8 down, make the static contact piece 8, when the noise is realized, make the noise reduction effect is realized in order to make the sound insulation, when the sound is adjusted to make the sound, and the noise reduction is realized.

In this embodiment, one ends of the upper wiring metal sheet 4 and the lower wiring metal sheet 5 all penetrate through one end of the base 1 and extend to the outside, and one sides of the upper wiring metal sheet 4 and the lower wiring metal sheet 5, which are located outside the base 1, are all provided with wiring slots 6 for accessing live wires and zero wires.

Further, a separation block 12 is fixedly connected to a position of one side of the base 1, which is located between the upper wiring metal sheet 4 and the lower wiring metal sheet 5, so that the upper wiring metal sheet 4 and the lower wiring metal sheet 5 are prevented from being contacted, and short circuit is avoided.

Further, a circle fixedly connected with dustproof buckling rib 13 in the front end outside of base 1, the position department that the one end outside that base 2 is close to base 1 and dustproof buckling rib 13 corresponds is equipped with embedded groove 15, improves the dustproof ability of device, effectively avoids switch short circuit and break-make abnormal, increase of service life.

Furthermore, three mounting grooves 14 are further formed in the base 1, studs 16 are fixedly connected to positions, corresponding to the mounting grooves 14, of one end, close to the base 1, of the base cover 2, nuts 17 are connected to the outer diameters of the studs 16 in a threaded mode, the three studs 16 of the base cover 2 are aligned with the three mounting grooves 14 on the base 1, then the base cover 2 is pressed to enable the dustproof buckling ribs 13 to be clamped into the embedded grooves 15, and then the installation of the integral structure can be completed through wrench rotation and screwing of the nuts 17.

Working principle: the three studs 16 of the base cover 2 are aligned with the three mounting grooves 14 on the base 1, the base cover 2 is pressed to clamp the dustproof buckling ribs 13 into the embedded grooves 15, the installation of the integral structure can be completed by rotating a spanner and screwing the nuts 17, then the wiring grooves 6 on the upper wiring metal sheet 4 and the lower wiring metal sheet 5 are respectively connected with a live wire and a zero wire, the device is fixed to a preset position, wiring operation can be completed, when the device is used, the switch pulling sheet 11 is pulled downwards, the switch pulling sheet 11 is pressed down to press the plastic pushing rod 10, the plastic pushing rod 10 is pressed down to the wiring metal sheet 4 and enables the movable contact sheet 7 to be in contact with the static contact sheet 8 on the lower wiring metal sheet 5, a loop is formed, the current is switched on, after the switch pulling sheet 11 is released, the upper wiring metal sheet 4 rebounds, the plastic pushing rod 10 and the switch pulling sheet 11 are reset, meanwhile, the movable contact sheet 7 and the static contact sheet 8 are separated, and the loop is switched off, so that the structure is switched off.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a dustproof silence micro-gap switch, includes base (1) and basic lid (2), its characterized in that: the base cover (2) is installed at the front side of base (1), the inside of base (1) is equipped with control chamber (3), the inside upside of control chamber (3) is provided with wiring sheetmetal (4), the inside downside of control chamber (3) is provided with wiring sheetmetal (5) down, movable contact piece (7) are installed to one side that upper wiring sheetmetal (4) are located the inside of control chamber (3), movable contact piece (8) are installed in one side that lower wiring sheetmetal (5) are located the inside of control chamber (3) and the position department corresponding with movable contact piece (7), upper surface one side of base (1) is equipped with spout (9) and spout (9) are linked together with the inside of control chamber (3), the inside swing joint of spout (9) has plastics push rod (10), the upper surface opposite side swing joint of base (1) has switch plectrum (11).

2. The dustproof mute micro switch according to claim 1, wherein: one end of each of the upper wiring metal sheet (4) and the lower wiring metal sheet (5) penetrates through one end of the base (1) and extends to the outside, and one side of each of the upper wiring metal sheet (4) and the lower wiring metal sheet (5) located at the outside of the base (1) is provided with a wiring groove (6).

3. The dustproof mute micro switch according to claim 1, wherein: one side of the base (1) is fixedly connected with a separation block (12) at the middle position of the upper wiring metal sheet (4) and the lower wiring metal sheet (5).

4. The dustproof mute micro switch according to claim 1, wherein: the dustproof base is characterized in that a dustproof buckling rib (13) is fixedly connected to the outer periphery of the front end of the base (1), and an embedded groove (15) is formed in the position, corresponding to the dustproof buckling rib (13), of the outer side of one end, close to the base (1), of the base cover (2).

5. The dustproof mute micro switch according to claim 1, wherein: the novel multifunctional portable electric heating device is characterized in that three mounting grooves (14) are further formed in the base (1), studs (16) are fixedly connected to positions, corresponding to the mounting grooves (14), of one end, close to the base (1), of the base cover (2), and nuts (17) are connected to the outer diameter of each stud (16) in a threaded mode.