CN218215044U

CN218215044U - Totally-enclosed tact switch

Info

Publication number: CN218215044U
Application number: CN202222339259.1U
Authority: CN
Inventors: 黄其华
Original assignee: Yueqing Oen Electronics Co ltd
Current assignee: Yueqing Oen Electronics Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-01-03
Anticipated expiration: 2032-09-03

Abstract

The utility model discloses a totally enclosed type light touch switch, which comprises a switch shell with a cap pressing cavity and a cap pressing, wherein a contact cavity is arranged in the switch shell, the contact cavity and the cap pressing cavity are arranged in an isolated way, the bottom of the cap pressing is provided with a magnet, the wall of the contact cavity is provided with a plurality of contacts in a sealing way, and the contacts are correspondingly provided with contact pieces with magnetic attraction; the utility model discloses a totally enclosed dabs switch has avoided the safety protection problem of contact completely through setting up totally closed contact cavity, the utility model discloses a set up the action control between the cavity that magnet realized two totally enclosed isolations, relative prior art simple structure, design science, the practicality is strong, has good life, can ensure in special scene, including the complicated external condition, can directly use in the interior non-interfering of short time of liquid even, the complete interference of external environment to contact department of having avoided.

Description

Totally-enclosed tact switch

Technical Field

The utility model relates to a dab switch, concretely relates to totally enclosed dabs switch.

Background

The light touch switch is widely applied to control panels of household appliances and industrial electronic instruments as a common electronic component, and particularly, household appliances and instruments such as electronic scales, washing machines, smoke exhaust ventilators, electric cookers and the like can contact water, dust and oil stains in the use process, and after the dirt enters the light touch switch, the contact and reed in the switch can be corroded, so that the switch is in poor contact and short circuit, and the related appliances and instruments cannot be normally used.

In order to solve the normal operation of the household appliances and instruments, some waterproof, dustproof and oil-stain-proof tact switches are on the market at present, and the structure of the tact switch is that a sealing film sheet and a rubber gasket are respectively arranged between a lower base and an upper cover body, so that water and oil stains can not enter between a metal reed of a concave part of the lower base and each fixed point to be in touch, and a certain waterproof, dustproof and oil stain-proof effect is achieved.

SUMMERY OF THE UTILITY MODEL

In view of the prior art, an object of the utility model is to provide a touch switch of totally enclosed contact chamber can keep apart totally and avoid the switch to press the action that produces and dust, the impurity that long-term use leads to pile up the problem, through totally closed structure setting, fine solution prior art's switch protection problem.

In order to realize the above purpose, the utility model discloses a technical scheme be: totally enclosed dabs switch, including having the switch shell according to the cap chamber and pressing the cap, still be provided with the contact chamber in the switch shell, the setting is kept apart with according to the cap chamber to the contact chamber, expose outside the switch shell according to cap one end, the other end stretches into and lies in according to the cap chamber and presses cap intracavity activity, the bottom of pressing the cap is provided with magnet, the sealed a plurality of contacts that are provided with on setting up its wall in contact chamber, the contact corresponds the contact piece that is provided with area magnetism and inhales, press the cap to press the back drive magnet displacement and produce the absorption to the contact piece for the drive contact piece makes the relative electric UNICOM of contact.

As a further arrangement of the above scheme, a disconnection spring is arranged on the contact piece, and the disconnection spring is used for driving the contact piece to be away from the contact to release the mutual electrical communication between the contacts after the pressing cap loses the pressure and the magnet recovers the original position.

As a further arrangement of the above scheme, a return spring is arranged at the bottom of the pressing cap, and the elastic force of the return spring is larger than the adsorption force of the magnet and the contact piece.

As a further arrangement of the scheme, the pressing cap cavity and the contact cavity are axially overlapped or horizontally arranged side by side relative to the pressing cap.

As a further arrangement of the above scheme, the pressing cap is set to be of a toggle type, the toggle type is set to be hinged on the switch shell at one side of the pressing cap, the return spring is set to be a coil spring arranged on the hinge column of the pressing cap, and the toggle type switch drives the magnet to move relatively by driving the pressing cap to swing.

As a further arrangement of the above scheme, the pressing cap is arranged in a sliding manner, the sliding manner comprises that the pressing cap is arranged in a sliding block shape, the switch shell is provided with a sliding chute, and the pressing cap slides relative to the switch shell to drive the magnet to move relative to the switch shell.

According to the technical scheme, the cap pressing cavity is further provided with a cap pressing touch feedback mechanism, the cap pressing touch feedback mechanism comprises a shifting piece mechanism or an elastic piece mechanism, the shifting piece mechanism comprises a shifting piece which is shifted through cap pressing displacement to swing to generate sound and vibrate for feedback, the elastic piece mechanism comprises an elastic piece which is arranged for the cap pressing, and deformation elastic vibration of the elastic piece is fed back when the cap pressing moves for feedback.

Has the advantages that: the utility model discloses a totally enclosed dabs switch, through setting up totally closed contact cavity, the safety protection problem of contact has been avoided completely, has avoided prior art to do a lot of protection of saying, still has the problem that the hidden danger appears in long-term use, the utility model discloses a set up magnet and realize the motion control between the cavity of two totally enclosed isolations, relative prior art simple structure, the design science, the practicality is strong, the utility model discloses a dabs switch, relative prior art has good life, possesses the protection characteristics of totally isolating, prevents the short circuit, can ensure in special scene, including complicated external condition, even the totally enclosed dabs switch design, can be directly in the liquid short time non-interfering use, complete the interference of external environment to contact department of having avoided.

Drawings

Fig. 1 is a schematic view of the tact switch of the present invention.

Fig. 2 is a schematic view of embodiment 2 of the tact switch of the present invention.

Fig. 3 is a schematic view of embodiment 3 of the present invention.

Fig. 4 is a schematic view of embodiment 4 of the present invention.

Reference numerals: 1. a switch housing; 2. a cap pressing cavity; 3. pressing the cap; 31. a magnet; 34. a return spring; 4. a contact chamber; 5. a contact point; 6. a contact piece; 61. the spring is disconnected.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

Example 1: the totally enclosed dabs switch as shown in fig. 1, including having switch shell 1 according to cap cavity 2 and pressing cap 3, still be provided with contact chamber 4 in the switch shell 1, contact chamber 4 with keep apart the setting according to cap cavity 2, expose outside switch shell 1 according to cap 3 one end, the other end stretches into and is located according to cap cavity 2 internalization according to cap cavity 2, the bottom according to cap 3 is provided with magnet 31, contact chamber 4 seals and sets up and is provided with a plurality of contacts 5 on its wall, contact 5 corresponds and is provided with contact piece 6 of taking magnetism to inhale, press cap 3 to press back drive magnet 31 displacement production to contact piece 6's absorption for drive contact piece 6 makes the relative electric UNICOM of contact 5.

As a further arrangement of the above solution, the contact piece 6 is provided with a breaking spring 61, and the breaking spring 61 is used for driving the contact piece 6 to be far away from the contact 5 to release the mutual electric communication of the contacts after the pressing cap 3 loses the pressure magnet 31 and returns to the original position.

The utility model discloses a switch theory of operation, through setting up two cavities of complete isolation, adsorb through magnet 31 separating the sealing layer and separating two electric connections of 5 contacts of empty control contact piece 6 realization, solve the problem that the drive of pressing that prior art exists and do can't avoid the clearance, and set up multiple seal structure, still can not avoid the protection problem completely, the utility model discloses a press and press cap 3 to drive and press the magnet 31 that sets up on cap 3 to be close to contact chamber 4, magnetic force attraction contact piece 6 through magnet 31 reaches and separates the sealing layer, control contact piece 6 realizes the displacement, realize two contacts 5 of 6 UNICOM of contact piece after adsorbing the completion, and can upwards move about under reset spring 31 when losing the cap 3 after the pressing force, reset and remove the magnetic force adsorption of

magnet

31 and 6, and contact piece 6 loses the magnetic force and adsorbs the contact piece back, can receive break spring 61's elasticity butyl to open and resume to the normal position, thereby contact 5's electric connection has also been removed.

As a further arrangement of the above solution, a return spring 34 is provided at the bottom of the pressing cap 3, and the elastic force of the return spring 34 is larger than the attraction force between the magnet 31 and the contact piece 6.

As a further arrangement of the above solution, the pressing cap cavity 2 and the contact cavity 4 are axially overlapped or horizontally arranged side by side relative to the pressing cap 3.

Example 2

As shown in fig. 2, the cap cavity 2 and the contact cavity 4 are arranged side by side in a horizontal manner, as can be seen from the figure, the cap cavity 2 is positioned at the upper right, the contact cavity 4 is positioned at the lower plate at the left, the up-and-down movement of the magnet 31 is controlled by pressing the cap 3, and the contact piece 6 is adsorbed based on magnetic force when downward, so that the electric connection between the two contacts 5 is realized, and the switching function is realized.

Embodiment 3 as shown in fig. 3, as a further configuration of the above solution, the pressing cap 3 is configured to be of a sliding type, the sliding type includes that the pressing cap 3 is configured to be of a sliding block shape, the switch housing 1 is provided with a sliding slot, and the pressing cap 3 slides relative to the switch housing 1 to drive the magnet 31 to move relative to the switch housing 1.

Embodiment 4 as shown in fig. 4, as a further configuration of the above scheme, the button 3 of this embodiment is configured as a toggle type, the toggle type is configured as a button 3 that is hinged to the switch housing 1 on one side, and the return spring 34 is configured as a coil spring installed on a hinge post of the button 3, the toggle type switch drives the magnet 31 to move relatively by driving the button 3 to swing, and the principle is as the switch shown in fig. 4, the coil spring is disposed on the hinge post, the magnet 31 is disposed at an end of the button 3, the contact piece is attracted by the swing magnet 31, the toggle type switch can also have different signal functions on two sides as shown in fig. 4, and the two switch functions are triggered by the back-and-forth swing, and certainly, based on two swing directions, in order to reset the button 3 in the middle without triggering a signal, the coil spring needs to be configured as two sets, so as to meet the elastic reset of the button 3 swinging towards two sides.

As a further arrangement of the scheme, a touch feedback mechanism of the pressing cap 3 is further arranged in the pressing cap cavity 2 and comprises a shifting piece mechanism or an elastic piece mechanism, the shifting piece mechanism comprises a shifting piece which is shifted by the pressing cap 3 to swing to generate sound and vibrate for feedback, the elastic piece mechanism comprises an elastic piece which is arranged for the pressing cap 3, and deformation elastic force vibration of the elastic piece is fed back when the pressing cap 3 moves for feedback.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. Totally enclosed dabs switch, including having switch shell (1) and according cap (3) according to cap chamber (2), its characterized in that: still be provided with contact chamber (4) in switch shell (1), contact chamber (4) and keep apart the setting according to cap chamber (2), expose outside switch shell (1) according to cap (3) one end, the other end stretches into and lies in according to cap chamber (2) internalization according to cap chamber (2), the bottom of pressing cap (3) is provided with magnet (31), contact chamber (4) are sealed to be provided with on setting up its wall a plurality of contacts (5), contact (5) correspond and are provided with contact piece (6) of taking the magnetism to inhale, press cap (3) to press back drive magnet (31) displacement and produce the absorption to contact piece (6) for drive contact piece (6) make contact (5) electric UNICOM relatively.

2. The totally enclosed tact switch according to claim 1, characterized in that: and the contact piece (6) is provided with a disconnecting spring (61), and the disconnecting spring (61) is used for driving the contact piece (6) to be far away from the contact (5) to release the mutual electric communication of the contacts after the pressing cap (3) loses the pressure magnet (31) and recovers to the original position.

3. The totally enclosed tact switch according to claim 1, characterized in that: a return spring (34) is arranged at the bottom of the pressing cap (3), and the elastic force of the return spring (34) is larger than the adsorption force of the magnet (31) and the contact piece (6).

4. The totally enclosed tact switch according to claim 1, characterized in that: the pressing cap cavity (2) and the contact cavity (4) are axially overlapped or horizontally arranged side by side relative to the pressing cap (3).

5. The totally enclosed tact switch according to claim 3, characterized in that: press cap (3) to set up to the formula of stirring, stir the formula and set up to articulate on switch shell (1) according to cap (3) unilateral, and reset spring (34) set up to install the wind spring on pressing the articulated post of cap (3), the switch of stirring is pressed cap (3) swing drive magnet (31) relative activity through the drive.

6. The totally enclosed tact switch according to claim 1, characterized in that: press cap (3) to set up to the slidingtype, the slidingtype is including pressing cap (3) to set up to the sliding block shape, set up the spout on switch shell (1), press cap (3) relative switch shell (1) slip drive magnet (31) relative switch shell (1) and remove.

7. The totally enclosed tact switch according to claim 1, characterized in that: still be provided with the touch-control feedback mechanism who presses cap (3) in pressing cap chamber (2), touch-control feedback mechanism includes plectrum mechanism or shell fragment mechanism, plectrum mechanism includes stirs the plectrum swing through pressing cap (3) displacement and produces sound and vibration and feed back, shell fragment mechanism feeds back including setting up the shell fragment to pressing cap (3), and the deformation elasticity vibration of feedback shell fragment when pressing cap (3) activity is fed back.