CN214203515U

CN214203515U - Novel film key switch

Info

Publication number: CN214203515U
Application number: CN202120141279.0U
Authority: CN
Inventors: 孙林兴; 伍浩; 陶正英
Original assignee: Dongguan East Power Fly Electronics Co ltd
Current assignee: Dongguan East Power Fly Electronics Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-14
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a novel film key switch, comprises a box bod, the left end top sliding connection of box body has the lug, the right flank fixedly connected with lid of lug, the top surface of lid runs through and has seted up according to the keyway, the first buckle of right flank fixedly connected with of lid, the right-hand member of first buckle rotates and is connected with the second buckle. Through the lug, first buckle, mutually supporting of spring and gluing strip isotructure, the target of being convenient for install and dismantle membrane switch has been realized, the bad condition that membrane switch breaks down and is difficult to overhaul and change has been avoided, and the operation is simple and convenient, the user demand has been satisfied, it is comparatively convenient to use, through waterproof pad, the design of first waterproof layer and second waterproof layer isotructure, reached and be convenient for waterproof, dampproofing effect, the bad condition that the device inner structure of having avoided appearing intaking and damaging, certain guard action has been played, the service life of the device is prolonged, and use cost is saved.

Description

Novel film key switch

Technical Field

The utility model relates to a membrane switch technical field especially relates to a novel membrane key switch.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel into a whole, and consists of four parts, namely a panel, an upper circuit, an isolating layer and a lower circuit, when the membrane switch is pressed down, a contact of the upper circuit deforms downwards and is in contact conduction with a polar plate of the lower circuit, after a finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and a signal is triggered by a loop.

Current membrane key switch adopts fixed mounting means mostly, and the installation is comparatively loaded down with trivial details and difficult to dismantle, and when membrane key switch appeared damaging, it is relatively great to change membrane key switch component degree of difficulty, is not convenient for overhaul key switch component and change, is difficult to satisfy the user demand, and it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel membrane key switch has solved the problem that membrane key switch is not convenient for install and dismantle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel film key switch comprises a box body, wherein the top of the left end of the box body is slidably connected with a convex block, the right side face of the convex block is fixedly connected with a box cover, a key pressing groove is formed in the top face of the box cover in a penetrating mode, the right side face of the box cover is fixedly connected with a first buckle, the right end of the first buckle is rotatably connected with a second buckle, the right side face of the first buckle is fixedly connected with a first fixing piece, the left side face of the second buckle is fixedly connected with a second fixing piece, a spring is fixedly connected between the right side face of the first fixing piece and the left side face of the second fixing piece, the top of the right end of the box body is provided with a clamping groove, mounting bars are fixedly connected to both side faces of the inner wall of the box body, a switch panel is slidably connected between the two mounting bars, an upper circuit is slidably connected between, the bottom surface electric connection of going up the circuit has metal shrapnel, two sliding connection has the isolation layer between the mounting bar, and the isolation layer is located the circuit under, two sliding connection has circuit down between the mounting bar, and circuit is located the isolation layer under, the bottom surface electric connection of circuit has the winding displacement down, the bottom surface fixedly connected with of box body glues the strip, flush mounting plate's top surface electric connection of switch has the button.

Preferably, the bottom surface of the box body is fixedly connected with a waterproof pad, the top surface of the box cover is coated with a first waterproof layer, and the top surface of the box body is coated with a second waterproof layer.

Preferably, the top of the left end of the box body is provided with a slot matched with the bump, and the box body is made of stainless steel.

Preferably, the first fixing piece, the second fixing piece and the spring are all obliquely arranged.

Preferably, the flat cable penetrates through the bottom wall of the box body, and the size of the key groove is matched with that of the key.

Preferably, the waterproof pad is made of silica gel, and the first waterproof layer and the second waterproof layer are waterproof nano-coatings.

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

1. the novel film key switch is characterized in that a film switch is placed in the inner wall of a box body, a sticky strip is fixedly adhered to the surface of an instrument, a convex block is plugged into a slot at the top of the left end of the box body, a first buckle and a second buckle are plugged into the slot, so that the installation process of the film switch is realized, a finger presses the second buckle to drive a second fixing piece to start compressing a spring, a box cover can be opened by poking the second buckle, a film switch element in the box body is taken out, the film switch element is placed back after maintenance or replacement is finished, the right side surface of the second buckle is pressed, the bottoms of the first buckle and the second buckle are plugged into the slot, so that the disassembly and maintenance processes are realized, and the purposes of conveniently installing and disassembling the film switch are realized through the mutual matching of the structures such as the convex block, the box cover, the first buckle, the second buckle, the spring, the sticky strip and the like, the condition that the membrane switch is difficult to overhaul and replace due to failure is avoided, the operation is simple and convenient, the use requirement is met, and the use is convenient.

2. This novel film key switch through the design of waterproof pad, first waterproof layer and second waterproof layer isotructure, has reached the waterproof, dampproofing effect of being convenient for, has avoided appearing the device inner structure and has intake and the bad condition of damage, has played certain guard action, has improved the life of device, has saved use cost.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at the position A of the present invention;

fig. 3 is a top view of the switch panel structure of the present invention;

FIG. 4 is another front sectional view of the structure of the present invention;

fig. 5 is a top view of the present invention.

In the figure: the waterproof structure comprises a box body 1, a convex block 2, a box cover 3, a key groove 4, a first buckle 5, a second buckle 6, a first fixing sheet 7, a second fixing sheet 8, a spring 9, a clamping groove 10, a mounting strip 11, a switch panel 12, an upper circuit 13, a metal elastic sheet 14, an isolation layer 15, a lower circuit 16, a flat cable 17, a sticky strip 18, a key 19, a waterproof pad 20, a first waterproof layer 21 and a second waterproof layer 22.

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.

The first embodiment is as follows: referring to fig. 1-3, a novel membrane key switch comprises a box body 1, the box body 1 is made of stainless steel, a convex block 2 is slidably connected to the top of the left end of the box body 1, a slot matched with the convex block 2 is formed in the top of the left end of the box body 1, a box cover 3 is fixedly connected to the right side of the convex block 2, a key pressing slot 4 is formed in the top surface of the box cover 3, a first buckle 5 is fixedly connected to the right side of the box cover 3, a second buckle 6 is rotatably connected to the right end of the first buckle 5, a first fixing plate 7 is fixedly connected to the right side of the first buckle 5, a second fixing plate 8 is fixedly connected to the left side of the second buckle 6, a spring 9 is fixedly connected between the right side of the first fixing plate 7 and the left side of the second fixing plate 8, the first fixing plate 7, the second fixing plate 8 and the spring 9 are all obliquely arranged, a slot 10 is formed in the top of the right end of the box body 1, the two side surfaces of the inner wall of the box body 1 are fixedly connected with mounting bars 11, a switch panel 12 is connected between the two mounting bars 11 in a sliding manner, an upper circuit 13 is connected between the two mounting bars 11 in a sliding manner, the upper circuit 13 is positioned under the switch panel 12, the bottom surface of the upper circuit 13 is electrically connected with a metal elastic sheet 14, an isolating layer 15 is connected between the two mounting bars 11 in a sliding manner, the isolating layer 15 is positioned under the upper circuit 13, a lower circuit 16 is connected between the two mounting bars 11 in a sliding manner, the lower circuit 16 is positioned under the isolating layer 15, the bottom surface of the lower circuit 16 is electrically connected with a flat cable 17, the flat cable 17 penetrates through the bottom wall of the box body 1, an adhesive strip 18 is fixedly connected to the bottom surface of the box body 1, a key 19 is electrically connected to the top surface of the switch panel 12, the size of the key groove 4 is matched with the key 19, and the switch panel is formed by a lug 2, a box cover 3, a first buckle 5, a second buckle 6, The mutual matching of the spring 9 and the adhesive strip 18 and other structures realizes the aim of conveniently installing and disassembling the membrane switch, avoids the poor condition that the membrane switch is difficult to overhaul and replace due to faults, is simple and convenient to operate, meets the use requirement, and is convenient to use.

Example two: referring to fig. 1 and 4-5, a novel membrane key switch comprises a box body 1, the box body 1 is made of stainless steel, the top of the left end of the box body 1 is slidably connected with a convex block 2, the top of the left end of the box body 1 is provided with a slot matched with the convex block 2, the right side of the convex block 2 is fixedly connected with a box cover 3, the top surface of the box cover 3 is provided with a key pressing slot 4 in a penetrating way, the right side of the box cover 3 is fixedly connected with a first buckle 5, the right end of the first buckle 5 is rotatably connected with a second buckle 6, the right side of the first buckle 5 is fixedly connected with a first fixing plate 7, the left side of the second buckle 6 is fixedly connected with a second fixing plate 8, a spring 9 is fixedly connected between the right side of the first fixing plate 7 and the left side of the second fixing plate 8, the first fixing plate 7, the second fixing plate 8 and the spring 9 are all obliquely arranged, the top of the right end of the box body 1 is provided with a clamping slot 10, the two side surfaces of the inner wall of the box body 1 are fixedly connected with mounting bars 11, a switch panel 12 is connected between the two mounting bars 11 in a sliding manner, an upper circuit 13 is connected between the two mounting bars 11 in a sliding manner, the upper circuit 13 is positioned under the switch panel 12, the bottom surface of the upper circuit 13 is electrically connected with a metal elastic sheet 14, an isolating layer 15 is connected between the two mounting bars 11 in a sliding manner, the isolating layer 15 is positioned under the upper circuit 13, a lower circuit 16 is connected between the two mounting bars 11 in a sliding manner, the lower circuit 16 is positioned under the isolating layer 15, the bottom surface of the lower circuit 16 is electrically connected with a flat cable 17, the flat cable 17 penetrates through the bottom wall of the box body 1, an adhesive strip 18 is fixedly connected to the bottom surface of the box body 1, a key 19 is electrically connected to the top surface of the switch panel 12, the size of the key groove 4 is matched with the key 19, and the switch panel is formed by a lug 2, a box cover 3, a first buckle 5, a second buckle 6, The mutual matching of the spring 9 and the adhesive strip 18 and other structures realizes the aim of conveniently installing and disassembling the membrane switch, avoids the poor condition that the membrane switch is difficult to overhaul and replace due to faults, is simple and convenient to operate, meets the use requirement, and is convenient to use.

The bottom surface fixedly connected with waterproof pad 20 of box body 1, waterproof pad 20 adopts the silica gel material to make, first waterproof layer 21 has been paintd on the top surface of lid 3, second waterproof layer 22 has been paintd on the top surface of box body 1, and first waterproof layer 21 and second waterproof layer 22 are waterproof nanometer coating, through waterproof pad 20, the design of first waterproof layer 21 and second waterproof layer 22 isotructure, reached and be convenient for waterproof, dampproofing effect, the bad cake condition that the device inner structure of having avoided appearing intaking and damage, certain guard action has been played, the service life of device is prolonged, and use cost is saved.

When in use: the membrane switch composed of a switch panel 12, an upper circuit 13, a metal elastic sheet 14, an isolation layer 15, a lower circuit 16 and a flat cable 17 is placed in the inner wall of a box body 1, an adhesive strip 18 is fixedly adhered to the surface of an instrument, a bump 2 is plugged into a slot at the top of the left end of the box body 1, a first buckle 5 and a second buckle 6 are plugged into a slot 10, and a box cover 3 can be installed, so that the installation process of the membrane switch is realized, when the membrane switch needs to be disassembled and maintained, the right side surface of the second buckle 6 is pressed by fingers to drive a second fixing sheet 8 to start to compress a spring 9, after the spring 9 is compressed to a certain distance, the box cover 3 can be opened by pulling the second buckle 6, the membrane switch element in the box body 1 is taken out, after maintenance or replacement is finished, the membrane switch element is placed back, the right side surface of the second buckle 6 is pressed again to drive the second fixing sheet 8 to start to compress the spring 9, treat spring 9 compression to certain distance after, fill in the inside of draw-in groove 10 with the bottom of first buckle 5 and second buckle 6, can cover lid 3 to dismantlement and maintenance process have been realized.

To sum up, the membrane switch is placed in the inner wall of the box body 1, the sticky strip 18 is fixedly adhered to the surface of the instrument, the convex block 2 is plugged into the slot at the top of the left end of the box body 1, the first buckle 5 and the second buckle 6 are plugged into the slot 10, so that the installation process of the membrane switch is realized, a finger presses the second buckle 6 to drive the second fixing sheet 8 to start to compress the spring 9, the box cover 3 can be opened by poking the second buckle 6, the membrane switch element in the box body 1 is taken out, after the maintenance or replacement is finished, the membrane switch element is put back, the right side face of the second buckle 6 is pressed, the bottoms of the first buckle 5 and the second buckle 6 are plugged into the slot 10, so that the disassembly and maintenance processes are realized, and the target of facilitating the installation and disassembly of the membrane switch is realized through the mutual matching of the structures such as the convex block 2, the box cover 3, the first buckle 5, the second buckle 6, the spring 9 and the sticky strip 18, avoided the film switch to break down the bad condition that is difficult to overhaul and change, easy operation is convenient, the user demand has been satisfied, it is comparatively convenient to use, through waterproof pad 20, the design of first waterproof layer 21 and second waterproof layer 22 isotructure, reached and be convenient for waterproof, dampproofing effect, the bad condition of damage has been avoided appearing device inner structure and has intake, certain guard action has been played, the service life of device has been improved, use cost is saved, the problem of film key switch installation and dismantlement not convenient for has been solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel film key switch comprises a box body (1) and is characterized in that a convex block (2) is connected to the top of the left end of the box body (1) in a sliding mode, a box cover (3) is fixedly connected to the right side face of the convex block (2), a key pressing groove (4) is formed in the top face of the box cover (3) in a penetrating mode, a first buckle (5) is fixedly connected to the right side face of the box cover (3), a second buckle (6) is rotatably connected to the right end of the first buckle (5), a first fixing piece (7) is fixedly connected to the right side face of the first buckle (5), a second fixing piece (8) is fixedly connected to the left side face of the second buckle (6), a spring (9) is fixedly connected between the right side face of the first fixing piece (7) and the left side face of the second fixing piece (8), and a clamping groove (10) is formed in the top of the right end of the box body (1), both side surfaces of the inner wall of the box body (1) are fixedly connected with mounting strips (11), a switch panel (12) is connected between the two mounting strips (11) in a sliding way, an upper circuit (13) is connected between the two mounting strips (11) in a sliding way, the upper circuit (13) is positioned right below the switch panel (12), the bottom surface of the upper circuit (13) is electrically connected with a metal elastic sheet (14), an isolating layer (15) is connected between the two mounting bars (11) in a sliding way, the isolation layer (15) is positioned right below the upper circuit (13), a lower circuit (16) is connected between the two mounting bars (11) in a sliding way, the lower circuit (16) is positioned right below the isolation layer (15), the bottom surface of the lower circuit (16) is electrically connected with a flat cable (17), the bottom surface fixedly connected with of box body (1) glues strip (18), the top surface electric connection of flush mounting plate of switch (12) has button (19).

2. The novel membrane key switch according to claim 1, characterized in that a waterproof pad (20) is fixedly connected to the bottom surface of the box body (1), a first waterproof layer (21) is coated on the top surface of the box cover (3), and a second waterproof layer (22) is coated on the top surface of the box body (1).

3. The novel membrane key switch according to claim 1, characterized in that the top of the left end of the box body (1) is provided with a slot adapted to the projection (2), and the box body (1) is made of stainless steel.

4. A new membrane key switch according to claim 1, characterised in that said first stator (7), second stator (8) and spring (9) are all inclined.

5. The membrane key switch according to claim 1, wherein the flat cable (17) extends through the bottom wall of the case (1), and the key slot (4) is sized to fit the key (19).

6. The novel membrane key switch of claim 2, wherein the waterproof pad (20) is made of silica gel, and the first waterproof layer (21) and the second waterproof layer (22) are waterproof nano-coatings.