CN212182194U

CN212182194U - Miniature light-touch switch with long service life

Info

Publication number: CN212182194U
Application number: CN202020938689.3U
Authority: CN
Inventors: 李建浦
Original assignee: Shenzhen Bubujing Technology Co ltd
Current assignee: Shenzhen Bubujing Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-18
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a miniature light touch switch with long service life, which comprises a mounting seat, wherein a cover plate is arranged above the mounting seat, a through groove is arranged at the central position of the cover plate, a touch plate is arranged above the cover plate, a linkage rod is fixedly arranged at the bottom of the touch plate and is inserted in the through groove, a lower end of the linkage rod is fixedly provided with a lower pressing plate, a metal plate is fixedly arranged on the lower end surface of the lower pressing plate, and a spring sheet is arranged on the metal plate, the utility model relates to a miniature light touch switch with long service life, which achieves the purposes of improving the protection of the miniature light touch switch, improving the waterproof and dustproof effects, improving the effects of the service life of the switch, solving the problems of most of the prior miniature light touch switches, poor protection, easy dust intake and water intake at the movable part of the external touch plate, the short circuit and the like occur, and the service life of the micro light-touch switch is shortened.

Description

Miniature light-touch switch with long service life

Technical Field

The utility model relates to a dab switch technical field, specifically be a long service life's miniature switch that dabs.

Background

The tact switch is an electronic switch, belonging to the class of electronic components, also called as a key switch, and is firstly appeared in japan, when in use, the switch is pressed to the switch operation direction under the condition of satisfying the operation force, the switch is closed and switched on, when the pressure is removed, the switch is switched off, and the internal structure of the tact switch is switched on and off by the stress change of a metal elastic sheet.

At present, most of micro light touch switches are poor in protectiveness, dust and water easily enter the moving position of an external touch plate, short circuits and the like are caused, and the service life of the micro light touch switch is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's miniature switch that dabs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a long service life's miniature switch that dabs, includes the mount pad, the top of mount pad is provided with the apron, the central point department of putting of apron has seted up logical groove, the top of apron is provided with the touch panel, the bottom fixed mounting of touch panel has the trace, the trace is pegged graft in the inside that leads to the groove, the lower extreme fixed mounting of trace has the holding down plate, fixed mounting has the metal sheet on the lower terminal surface of holding down plate, be provided with the shell fragment on the metal sheet, the inner wall bottom of mount pad corresponds shell fragment position department fixed mounting and has the contact, be provided with a plurality of pin on the left and right sides terminal surface of mount pad, be provided with the lead wire between contact and the pin, be provided with protection machanism between touch panel and the apron.

Preferably, the protection mechanism includes dustproof sleeve, dustproof sleeve sets up the outside at the trace, dustproof sleeve's upper and lower both ends fixed mounting has the bonding ring, the bonding ring respectively with the lower terminal surface of touch panel and the up end fixed connection of apron.

Preferably, the upper end surface of the cover plate is provided with mounting grooves distributed at four corners, mounting bolts are arranged in the mounting grooves, and the cover plate is fixedly mounted on the mounting seat through the mounting bolts.

Preferably, a plurality of guide rods which are symmetrically distributed are fixedly installed at the bottom of the inner wall of the installation seat, guide grooves are formed in the positions, corresponding to the guide rods, of the lower pressing plate, and the guide rods are inserted into the guide grooves.

Preferably, the outer side of the guide rod is sleeved with a return spring, and the upper end and the lower end of the return spring are fixedly connected with the lower end face of the lower pressing plate and the bottom of the inner wall of the mounting seat respectively.

Preferably, the front side and the rear side of the cover plate are fixedly provided with mounting frames, and the mounting frames are provided with symmetrically distributed mounting holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a long service life's miniature switch that dabs, through touching the touch panel, the touch panel descends, drive shell fragment and contact switch on, thereby make and switch on between the pin, through the design of dustproof sleeve, dustproof sleeve can stretch out and draw back, and provide the protection for the trace and lead to the clearance between the groove, it leads to the switch short circuit to damage to avoid intaking dirt, and the service life is shortened, lead to through guide bar and guide way, the stability of the decline that rises of touch panel is provided, carry out the reseing of touch panel through reset spring, realize switch function, install the switch through mounting bracket and mounting hole. The utility model relates to a long service life's miniature switch that dabs, through setting up reset spring, dustproof sleeve and adhesive ring etc. has reached the protectiveness that improves miniature switch that dabs, has improved waterproof dustproof effect, has improved effects such as life of switch, has solved present most miniature switch that dabs, and the protectiveness is relatively poor, and external touch panel activity department is intake of dust easily, leads to the circumstances such as short circuit to appear, the problem that miniature switch's life shortens.

Drawings

FIG. 1 is a schematic structural diagram of a micro tact switch with a long service life;

fig. 2 is a schematic diagram of an internal structure of a micro tact switch with a long service life.

In the figure: 1-mounting seat, 2-cover plate, 3-through groove, 4-contact plate, 5-linkage rod, 6-lower pressing plate, 7-metal plate, 8-elastic sheet, 9-contact, 10-pin, 11-conducting wire, 12-mounting groove, 13-mounting bolt, 14-guide groove, 15-guide rod, 16-reset spring, 17-adhesive ring, 18-dustproof sleeve, 19-mounting frame and 20-mounting hole.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a long service life's miniature switch that dabs, includes mount pad 1, the top of mount pad 1 is provided with apron 2, the central point department of putting of apron 2 has seted up logical groove 3, the top of apron 2 is provided with touch panel 4, the bottom fixed mounting of touch panel 4 has trace 5, trace 5 pegs graft in the inside that leads to groove 3, the lower extreme fixed mounting of trace 5 has holding down plate 6, fixed mounting has metal sheet 7 on the lower terminal surface of holding down plate 6, be provided with shell fragment 8 on the metal sheet 7, the inner wall bottom of mount pad 1 corresponds shell fragment 8 position department fixed mounting and has contact 9, be provided with a plurality of pin 10 on the left and right sides terminal surface of mount pad 1, be provided with lead-through line 11 between contact 9 and the pin 10, be provided with protection machanism between touch panel 4 and the apron 2.

Through touching the touch panel 4, the touch panel 4 descends to drive the elastic sheet 8 to be in contact with the contact 9, so that the pins 10 are conducted.

The protection mechanism comprises a dustproof sleeve 18, the dustproof sleeve 18 is arranged on the outer side of the linkage rod 5, the upper end and the lower end of the dustproof sleeve 18 are fixedly provided with adhesive rings 17, and the adhesive rings 17 are respectively fixedly connected with the lower end face of the contact plate 4 and the upper end face of the cover plate 2.

Through the design of dustproof sleeve 18, dustproof sleeve 18 can stretch out and draw back to for the trace 5 and lead to the clearance between groove 3 and provide the protection, avoid intaking into dirt and lead to the switch short circuit to damage, shorten life.

The mounting groove 12 with four corners distributed is formed in the upper end face of the cover plate 2, the mounting bolt 13 is arranged inside the mounting groove 12, and the cover plate 2 is fixedly mounted on the mounting seat 1 through the mounting bolt 13.

A plurality of guide rods 15 which are symmetrically distributed are fixedly installed at the bottom of the inner wall of the installation seat 1, guide grooves 14 are formed in the positions, corresponding to the guide rods 15, of the lower pressing plate 6, and the guide rods 15 are inserted into the guide grooves 14.

The outer side of the guide rod 15 is sleeved with a return spring 16, and the upper end and the lower end of the return spring 16 are respectively fixedly connected with the lower end surface of the lower pressing plate 6 and the bottom of the inner wall of the mounting seat 1.

The guide rod 15 and the guide groove 14 guide the touch panel 4 to ascend and descend, and the reset spring 16 resets the touch panel 4 to realize the switch function.

The front side and the rear side of the cover plate 2 are fixedly provided with mounting frames 19, and the mounting frames 19 are provided with mounting holes 20 which are symmetrically distributed.

The switch is mounted through mounting brackets 19 and mounting holes 20.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a long service life's miniature switch that dabs, includes mount pad (1), its characterized in that: a cover plate (2) is arranged above the mounting seat (1), a through groove (3) is arranged at the central position of the cover plate (2), a touch plate (4) is arranged above the cover plate (2), a linkage rod (5) is fixedly arranged at the bottom of the touch plate (4), the linkage rod (5) is inserted in the through groove (3), the lower end of the linkage rod (5) is fixedly provided with a lower pressing plate (6), a metal plate (7) is fixedly arranged on the lower end surface of the lower pressure plate (6), the metal plate (7) is provided with an elastic sheet (8), the bottom of the inner wall of the mounting seat (1) is fixedly provided with a contact (9) corresponding to the position of the elastic sheet (8), a plurality of pins (10) are arranged on the end surfaces of the left side and the right side of the mounting seat (1), a conducting wire (11) is arranged between the contact (9) and the pin (10), and a protection mechanism is arranged between the touch plate (4) and the cover plate (2).

2. The miniature tact switch with long service life according to claim 1, wherein: protection machanism includes dustproof sleeve (18), dustproof sleeve (18) set up in the outside of trace (5), the upper and lower both ends fixed mounting of dustproof sleeve (18) has bonding ring (17), bonding ring (17) respectively with the lower terminal surface of touch panel (4) and the up end fixed connection of apron (2).

3. The miniature tact switch with long service life according to claim 2, wherein: the mounting structure is characterized in that mounting grooves (12) distributed at four corners are formed in the upper end face of the cover plate (2), mounting bolts (13) are arranged inside the mounting grooves (12), and the cover plate (2) is fixedly mounted on the mounting base (1) through the mounting bolts (13).

4. A miniature tact switch with long service life according to claim 3, characterized in that: a plurality of guide rods (15) which are symmetrically distributed are fixedly installed at the bottom of the inner wall of the installation seat (1), guide grooves (14) are formed in the positions, corresponding to the guide rods (15), of the lower pressing plate (6), and the guide rods (15) are inserted into the guide grooves (14).

5. The miniature tact switch with long service life according to claim 4, wherein: the outer side of the guide rod (15) is sleeved with a return spring (16), and the upper end and the lower end of the return spring (16) are fixedly connected with the lower end face of the lower pressing plate (6) and the bottom of the inner wall of the mounting seat (1) respectively.

6. The miniature tact switch with long service life according to claim 5, wherein: the front side and the rear side of the cover plate (2) are fixedly provided with mounting frames (19), and the mounting frames (19) are provided with symmetrically distributed mounting holes (20).