CN212848129U

CN212848129U - Waterproof type dabs switch

Info

Publication number: CN212848129U
Application number: CN202021926383.2U
Authority: CN
Inventors: 詹伟辰
Original assignee: Suzhou Huajie Electronics Co ltd
Current assignee: Suzhou Huajie Electronics Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-03-30
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a waterproof type dabs switch relates to and dabs switch technical field, for solving the current flexible construction that dabs the switch and adopt the formula of suppressing mostly among the prior art, uses this structure must exist certain gap structure, if this just leads to the switch at the in-process that uses a large amount with water contact, the problem of infiltration and ponding will appear inside the switch. The bottom of encapsulation casing is provided with the installation cassette, and installation cassette and encapsulation casing fixed connection, the top of encapsulation casing is provided with solid encapsulation cap, and solid encapsulation cap passes through the draw-in groove with the encapsulation casing and is connected, the left and right sides of encapsulation casing all is provided with metal pin, and metal pin runs through the inboard that extends to the encapsulation casing, both sides all are provided with spacing fluting around the encapsulation casing, and the inside of encapsulation casing is provided with the installation and accomodates the groove, the inside in groove is accomodate in the installation is provided with the power machine box, the left and right sides of power machine box all is provided with the contact terminal.

Description

Waterproof type dabs switch

Technical Field

The utility model relates to a dab switch technical field, specifically be a waterproof type dabs switch.

Background

The tact switch is an electronic switch, belongs to the class of electronic components, and is called a key switch, and is firstly known in japan as: the sensitive switch is switched on by applying pressure to the switch operation direction under the condition of meeting the operation force when in use, and is switched off when the pressure is relieved, the internal structure of the sensitive switch is switched on and off by the stress change of a metal elastic sheet, and the tact switches are divided into two categories, namely the tact switches which use metal reeds as switch contact pieces and are called as small contact resistances and 20mn clusters. Good hand feeling and crisp click sound. Switches utilizing conductive rubber as contact paths are conventionally referred to as conductive rubber switches. The switch has good hand feeling, but large contact resistance, generally 100-300 n. The structure of the tact switch is that the key moves downwards to make the contact reed or the conductive rubber block contact the soldering terminal to form a passage.

However, most of the existing touch switches adopt a spring-type telescopic structure, and certain gap structures inevitably exist when the switch is used, so that if a large amount of the switch is contacted with water in the using process, the conditions of water seepage and water accumulation can occur inside the switch; therefore, the existing requirements are not met, and a waterproof light-touch switch is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof type dabs switch to solve the current that proposes among the above-mentioned background art and dabs the extending structure that the switch adopted the formula of suppressing mostly, use this structure must exist certain gap structure, if this just leads to the switch at the in-process that uses a large amount of with water contact, the problem of infiltration and ponding will appear inside the switch.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof light-touch switch comprises a packaging shell, wherein a mounting clamping seat is arranged at the bottom of the packaging shell and fixedly connected with the packaging shell, a solid packaging shell cover is arranged above the packaging shell and connected with the packaging shell through a clamping groove, metal pins are arranged on the left side and the right side of the packaging shell and penetrate through the packaging shell, limiting open grooves are formed in the front side and the rear side of the packaging shell, a mounting accommodating groove is formed in the packaging shell, a power supply box is arranged in the mounting accommodating groove, contact terminals are arranged on the left side and the right side of the power supply box and connected with the power supply box through the clamping groove, the power supply box is electrically connected with the metal pins through the contact terminals, an induction groove is formed in the top of the power supply box, and a packaging frame is arranged above the power supply box, and the packaging frame is fixedly connected with the power supply box, and a reaction film package is arranged on the inner side of the packaging frame.

Preferably, the reaction membrane package includes an upper membrane body and a lower membrane body, a gas membrane cavity is arranged between the upper membrane body and the lower membrane body, and the upper membrane body and the lower membrane body are connected with the packaging frame through a clamping groove.

Preferably, the top of reaction membrane package is provided with the screens axial lamella, and the screens axial lamella is accomodate the groove laminating with the installation and is connected, the both ends of screens axial lamella all are provided with the water conservancy diversion frid, and water conservancy diversion frid and screens axial lamella fixed connection.

Preferably, the guide groove plate is connected with the packaging shell in a sliding mode through a limiting groove, and a water drainage groove is formed in the clamping shaft plate.

Preferably, the top of screens axial lamella is provided with supporting pressure plate, and supporting pressure plate and screens axial lamella laminating are connected, supporting pressure plate's top is provided with presses the button post, and presses button post and supporting pressure plate fixed connection.

Preferably, a plunger guide sleeve is arranged on the outer side of the key column, the key column is connected with the plunger guide sleeve in a sliding mode, and the plunger guide sleeve is connected with the fixed sealing shell cover through a clamping groove.

Preferably, the plunger guide sleeve is of a trapezoidal structure, and a groove is formed between the plunger guide sleeve and the fixed sealing shell cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a screens axial lamella is located between button and electronic component, and be provided with the water conservancy diversion frid at the both ends of screens axial lamella, the water conservancy diversion frid is located the both ends of screens axial lamella, it highly is less than the inside sluicing groove height of screens axial lamella, when the switch outside is intake appearing, water can enter into switching mechanism's inside along the gap between key post and the plunger guide pin bushing, and moisture will fall into the inside sluicing groove of screens axial lamella after getting into, prevent that moisture from continuing to ooze down through the sluicing groove, when the infiltration reaches an amount simultaneously, the inside ponding of sluicing groove will be followed the water conservancy diversion frid outflow at both ends, discharge the inside water of mechanism.

Drawings

FIG. 1 is an overall front view of the present invention;

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

fig. 3 is a schematic view of the structure of the reaction membrane package of the present invention.

In the figure: 1. a package housing; 2. installing a card seat; 3. a metal pin; 4. limiting and slotting; 5. fixedly sealing a shell cover; 6. a plunger guide sleeve; 7. a key post; 8. installing a storage groove; 9. a power supply box; 10. a contact terminal; 11. a package frame; 12. a reaction membrane package; 13. a clamping shaft plate; 14. a water drainage tank; 15. a flow guide groove plate; 16. supporting the pressure plate; 17. a membrane body is arranged; 18. a lower membrane body; 19. a gas film cavity.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a waterproof light-touch switch comprises a packaging shell 1, wherein the bottom of the packaging shell 1 is provided with an installation clamping seat 2, the installation clamping seat 2 is fixedly connected with the packaging shell 1 and is convenient for fixed installation, a solid sealing shell cover 5 is arranged above the packaging shell 1, the solid sealing shell cover 5 is connected with the packaging shell 1 through a clamping groove, the left side and the right side of the packaging shell 1 are respectively provided with a metal pin 3, the metal pins 3 penetrate through the inner side of the packaging shell 1, the front side and the rear side of the packaging shell 1 are respectively provided with a limiting open groove 4, an installation accommodating groove 8 is arranged inside the packaging shell 1, a power supply box 9 is arranged inside the installation accommodating groove 8, the left side and the right side of the power supply box 9 are respectively provided with a contact terminal 10, the contact terminal 10 is connected with the power supply box 9 through the clamping groove, the power supply box 9 is electrically connected with the metal pins 3 through the contact terminal 10, and the top of the power supply, the top of power machine box 9 is provided with encapsulation frame 11, and encapsulation frame 11 and power machine box 9 fixed connection, the inboard of encapsulation frame 11 is provided with reaction membrane package 12, and reaction membrane package 12 replaces traditional spring structure to install in electronic component's top, even moisture sees through screens axial lamella 13 and continues the infiltration, finally also can be intercepted by reaction membrane package 12, under the circumstances that the damage does not appear in the membrane body, is in absolute sealed environment between the membrane body and the electronic component.

Further, the reaction membrane package 12 comprises an upper membrane body 17 and a lower membrane body 18, a gas membrane cavity 19 is arranged between the upper membrane body 17 and the lower membrane body 18, the upper membrane body 17 and the lower membrane body 18 are connected with the packaging frame 11 through clamping grooves, inert gas is filled in the reaction membrane package 12, when the upper membrane body 17 is extruded by the clamping shaft plate 13, the lower membrane body 18 is in contact with the power supply box 9 at the bottom, and therefore the starting inductive switch is realized.

Further, the top of reaction membrane package 12 is provided with screens axial lamella 13, screens axial lamella 13 is located between button and the electronic component, and screens axial lamella 13 accomodates the groove 8 laminating with the installation and is connected, guarantee the leakproofness of junction in the at utmost, the both ends of screens axial lamella 13 all are provided with water conservancy diversion frid 15, and water conservancy diversion frid 15 and screens axial lamella 13 fixed connection, water conservancy diversion frid 15 is located the both ends of screens axial lamella 13, its highly is less than the 14 heights in the inside sluicing groove of screens axial lamella 13.

Further, water conservancy diversion frid 15 and encapsulation casing 1 are through spacing fluting 4 sliding connection, when realizing spacingly, can also be provided with sluicing groove 14 with the inside ponding discharge screens axial lamella 13 of cell body, when the switch outside was intake, water can enter into on-off mechanism's inside along the gap between button post 7 and plunger guide pin bushing 6, and moisture will fall into in the sluicing groove 14 of screens axial lamella 13 inside after getting into, prevent moisture continuation infiltration through sluicing groove 14, when the infiltration reaches a certain amount simultaneously, the ponding of sluicing groove 14 inside will flow out from the water conservancy diversion frid 15 at both ends, discharge the inside water of mechanism.

Further, a supporting pressing plate 16 is arranged above the clamping shaft plate 13, the supporting pressing plate 16 is attached to and connected with the clamping shaft plate 13, a key post 7 is arranged above the supporting pressing plate 16, the key post 7 is fixedly connected with the supporting pressing plate 16, the supporting pressing plate 16 at the bottom is in contact with the clamping shaft plate 13 by pressing down the key post 7, and therefore the clamping shaft plate 13 is pushed to move downwards.

Further, a plunger guide sleeve 6 is arranged on the outer side of the key column 7 to play a role in limiting and fixing, the key column 7 is connected with the plunger guide sleeve 6 in a sliding mode, and the plunger guide sleeve 6 is connected with the fixed sealing shell cover 5 through a clamping groove.

Further, the plunger guide sleeve 6 is of a trapezoidal structure, a groove is formed between the plunger guide sleeve 6 and the fixed sealing shell cover 5, and therefore when water enters, the plunger guide sleeve 6 is prevented from being accumulated, and the button is prevented from being corroded by the accumulated water.

The working principle is as follows: when in use, the clamping shaft plate 13 is arranged above the clamping shaft plate 13, the guide groove plates 15 at the two ends of the clamping shaft plate 13 are clamped into the limiting open grooves 4 at the front side and the rear side of the packaging shell 1, the guide groove plates 15 are positioned at the two ends of the clamping shaft plate 13, the height of the limiting open slot 4 is lower than that of the drainage slot 14 in the clamping shaft plate 13, and the limiting open slot 4 realizes limiting, a water drainage groove 14 can be arranged in the accumulated water discharge clamping shaft plate 13 in the groove body, when water enters from the outside of the switch, water enters the switch mechanism along the gap between the key post 7 and the plunger guide sleeve 6, the water falls into the water drainage groove 14 in the blocking shaft plate 13 after entering, the water is prevented from continuously seeping through the water drainage groove 14, meanwhile, when the water seepage reaches a certain amount, the accumulated water in the water drainage tank 14 flows out from the guide groove plates 15 at the two ends to drain the water in the mechanism.

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.

Claims

1. The utility model provides a waterproof type dabs switch, includes encapsulation casing (1), its characterized in that: the packaging structure comprises a packaging shell (1), wherein a mounting clamping seat (2) is arranged at the bottom of the packaging shell (1), the mounting clamping seat (2) is fixedly connected with the packaging shell (1), a solid packaging shell cover (5) is arranged above the packaging shell (1), the solid packaging shell cover (5) is connected with the packaging shell (1) through a clamping groove, metal pins (3) are arranged on the left side and the right side of the packaging shell (1), the metal pins (3) penetrate through and extend to the inner side of the packaging shell (1), limiting grooves (4) are arranged on the front side and the rear side of the packaging shell (1), a mounting accommodating groove (8) is arranged in the packaging shell (1), a power supply box (9) is arranged in the mounting accommodating groove (8), contact terminals (10) are arranged on the left side and the right side of the power supply box (9), and the contact terminals (10) are connected with the power supply box (9) through the clamping groove, power machine box (9) are through contact terminal (10) and metal pin (3) electric connection, and the top of power machine box (9) is provided with the response groove, the top of power machine box (9) is provided with encapsulation frame (11), and encapsulation frame (11) and power machine box (9) fixed connection, the inboard of encapsulation frame (11) is provided with reaction membrane package (12).

2. The waterproof tact switch according to claim 1, characterized in that: the reaction membrane package (12) comprises an upper membrane body (17) and a lower membrane body (18), a gas membrane cavity (19) is arranged between the upper membrane body (17) and the lower membrane body (18), and the upper membrane body (17), the lower membrane body (18) and the packaging frame (11) are connected through a clamping groove.

3. The waterproof tact switch according to claim 1, characterized in that: the top of reaction membrane package (12) is provided with screens axial lamella (13), and screens axial lamella (13) accomodates groove (8) with the installation and laminate and be connected, the both ends of screens axial lamella (13) all are provided with water conservancy diversion frid (15), and water conservancy diversion frid (15) and screens axial lamella (13) fixed connection.

4. The waterproof tact switch according to claim 3, characterized in that: the water guide groove plate (15) is connected with the packaging shell (1) in a sliding mode through the limiting groove (4), and a water drainage groove (14) is formed in the clamping shaft plate (13).

5. The waterproof tact switch according to claim 4, characterized in that: the top of screens axial lamella (13) is provided with supporting pressure plate (16), and supporting pressure plate (16) and screens axial lamella (13) laminating are connected, the top of supporting pressure plate (16) is provided with presses button post (7), and presses button post (7) and supporting pressure plate (16) fixed connection.

6. The waterproof tact switch according to claim 5, characterized in that: the plunger guide sleeve is characterized in that a plunger guide sleeve (6) is arranged on the outer side of the key column (7), the key column (7) is connected with the plunger guide sleeve (6) in a sliding mode, and the plunger guide sleeve (6) is connected with the fixed sealing shell cover (5) through a clamping groove.

7. The waterproof tact switch according to claim 6, characterized in that: the plunger guide sleeve (6) is of a trapezoidal structure, and a groove is formed between the plunger guide sleeve (6) and the fixed sealing shell cover (5).