CN115032532A

CN115032532A - Thin film switch

Info

Publication number: CN115032532A
Application number: CN202210661401.6A
Authority: CN
Inventors: 倪皑华
Original assignee: Anhui Tiande Electronic Technology Co ltd
Current assignee: Anhui Tiande Electronic Technology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-09

Abstract

The invention relates to a membrane switch which comprises a box body, wherein the bottom of the box body is fixedly connected with supporting legs, the top of the box body is fixedly connected with a frame body, the interior of the box body is fixedly connected with a transmission structure, the transmission structure comprises a sleeve fixedly connected to the interior of the frame body, a toothed bar is movably connected to the interior of the sleeve, a motor is fixedly connected to the interior of the frame body, a gear is fixedly connected to the outer surface of an output shaft of the motor, the bottom of the toothed bar is fixedly connected with a pressing plate, the left side of the toothed bar is fixedly connected with a sliding block, and a sliding groove is formed in the sleeve. This membrane switch, during the use, puts membrane switch at the box top, then wave the rocker and drive the threaded rod rotatory, and the threaded rod is rotatory to drive two screw thread piece relative movement, and screw thread piece relative movement drives connecting plate and clamp splice and fixes membrane switch, then starter motor drives the gear rotation, and the gear rotation drives ratch and clamp plate downstream, and the clamp plate downstream can press the detection to membrane switch.

Description

Thin film switch

Technical Field

The invention relates to the technical field of membrane switch detection, in particular to a membrane 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, wherein the membrane switch is a light-touch on type normally open switch, the upper contact and the lower contact of the membrane switch are in an off state under normal conditions, the 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 upper circuit contact rebounds, the circuit is disconnected, and a signal is triggered by a loop.

The membrane switch needs to detect the quality of the membrane switch after production, however, the existing detection mode is that the membrane switch is pressed by a worker to detect, and the mode is time-consuming and labor-consuming and has low efficiency, so that the membrane switch is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the membrane switch which has the advantages of strong practicability, simple operation and the like, and solves the problem that the existing mode wastes time and labor.

In order to achieve the purpose, the invention provides the following technical scheme: a membrane switch comprises a box body, wherein the bottom of the box body is fixedly connected with supporting legs, the top of the box body is fixedly connected with a frame body, and a transmission structure is fixedly connected inside the frame body;

the transmission structure comprises a sleeve fixedly connected inside the frame body, a toothed bar is movably connected inside the sleeve, a motor is fixedly connected inside the frame body, a gear is fixedly connected to the outer surface of the motor output shaft, a pressing plate is fixedly connected to the bottom of the toothed bar, a sliding block is fixedly connected to the left side of the toothed bar, and a sliding groove is formed inside the sleeve.

Furthermore, the inside swing joint of box has the threaded rod, threaded rod surface swing joint has the screw thread piece that quantity is two, two the equal fixedly connected with connecting plate in screw thread piece top, two the equal fixedly connected with clamp splice in one side that the connecting plate is relative.

Further, the rack bar and the gear are in a meshed state, the sliding block is movably connected inside the sliding groove, two movable grooves are formed in the top of the box body, and the thread blocks are movably connected inside the movable grooves.

Further, box fixedly connected with fixing base, threaded rod swing joint is inside the fixing base, the threaded rod is two-way threaded rod.

Further, the right side of the threaded rod is fixedly connected with a rocker, the outer surface of the rocker is fixedly connected with an anti-slip pad, and two rubber soft pads are fixedly connected to one side of the clamping blocks opposite to each other.

Furthermore, the quantity of supporting leg is four, four the supporting leg evenly distributed is in bottom of the box four corners.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this membrane switch, during the use, puts membrane switch at the box top, then wave the rocker and drive the threaded rod rotatory, and the threaded rod is rotatory to drive two screw thread piece relative movement, and screw thread piece relative movement drives connecting plate and clamp splice and fixes membrane switch, then starter motor drives the gear rotation, and the gear rotation drives ratch and clamp plate downstream, and the clamp plate downstream can press the detection to membrane switch.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: the device comprises a box body 1, a

frame body

2, 3 supporting legs, 4 sleeves, 5 toothed bars, 6 sliding blocks, 7 sliding grooves, 8 motors, 9 gears, 10 pressing plates, 11 threaded rods, 12 fixed seats, 13 threaded blocks, 14 connecting plates, 15 clamping blocks, 16 movable grooves and 17 rockers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the membrane switch of this embodiment includes a case 1, the bottom of the case 1 is fixedly connected with four supporting legs 3, the number of the supporting legs 3 is four, the four supporting legs 3 are uniformly distributed at four corners of the bottom of the case 1, so that the whole device is more stable, the top of the case 1 is fixedly connected with a frame body 2, and the inside of the frame body 2 is fixedly connected with a transmission structure.

Wherein, the transmission structure is including fixed connection in 2 inside sleeves 4 of support body, 4 inside swing joint of sleeve has ratch 5, 2 inside fixedly connected with motors 8 of support body, motor 8 output shaft outer surface fixed connection has gear 9, gear 9 is the engaged state with ratch 5, 5 bottom fixedly connected with clamp plate 10 of ratch, 5 left side fixedly connected with sliders 6 of ratch, 4 inside spouts 7 have been seted up to sleeve, 6 swing joint of slider is inside spout 7, it is rotatory that starter motor 8 drives gear 9, the rotatory ratch 5 and the clamp plate 10 of driving of gear 9 move down, clamp plate 10 moves down and can press down the detection to membrane switch.

In the embodiment, a threaded rod 11 is movably connected inside a box body 1, the threaded rod 11 is a bidirectional threaded rod, a rocker 17 is fixedly connected on the right side of the threaded rod 11, a fixed seat 12 is fixedly connected on the box body 1, the threaded rod 11 is movably connected inside the fixed seat 12, an anti-slip mat is fixedly connected on the outer surface of the rocker 17, hand slip can be prevented as much as possible when the rocker 17 is shaken, two threaded blocks 13 are movably connected on the outer surface of the threaded rod 11, connecting plates 14 are fixedly connected on the tops of the two threaded blocks 13, clamping blocks 15 are fixedly connected on the opposite sides of the two connecting plates 14, rubber cushions are fixedly connected on the opposite sides of the two clamping blocks 15, film switch clamping damage can be prevented as much as possible, two movable grooves 16 are formed in the top of the box body 1, the two threaded blocks 13 are movably connected inside the movable grooves 16, the threaded blocks 13 can be limited, and a film switch is placed on the top of the box body 1, then the rocker 17 is rocked to drive the threaded rod 11 to rotate, the threaded rod 11 rotates to drive the two thread blocks 13 to move relatively, the thread blocks 13 move relatively to drive the connecting plate 14 and the clamping block 15 to fix the membrane switch

The working principle of the above embodiment is as follows:

this membrane switch, during the use, put membrane switch at 1 top of box, then wave rocker 17 and drive threaded rod 11 rotatory, threaded rod 11 rotatory two screw thread pieces 13 relative movement that drive, screw thread piece 13 relative movement drives connecting plate 14 and clamp splice 15 and fixes membrane switch, then starter motor 8 drives gear 9 rotatory, gear 9 rotatory drive rack 5 and clamp plate 10 downstream, clamp plate 10 downstream can press the membrane switch and detect.

It should be noted that, in this document, relational terms such as first and second, and the like are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

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. The utility model provides a membrane switch, includes box (1), its characterized in that: the bottom of the box body (1) is fixedly connected with a supporting leg (3), the top of the box body (1) is fixedly connected with a frame body (2), and a transmission structure is fixedly connected inside the frame body (2);

the transmission structure comprises a sleeve (4) fixedly connected to the inside of a frame body (2), a toothed bar (5) is movably connected to the inside of the sleeve (4), a motor (8) is fixedly connected to the inside of the frame body (2), a gear (9) is fixedly connected to the outer surface of an output shaft of the motor (8), a pressing plate (10) is fixedly connected to the bottom of the toothed bar (5), a sliding block (6) is fixedly connected to the left side of the toothed bar (5), and a sliding groove (7) is formed in the sleeve (4).

2. A membrane switch according to claim 1, characterized in that: the box (1) inside swing joint has threaded rod (11), threaded rod (11) surface swing joint has screw block (13) that quantity is two, two equal fixedly connected with connecting plate (14) in screw block (13) top, two equal fixedly connected with clamp splice (15) in one side that connecting plate (14) are relative.

3. A membrane switch according to claim 2, characterized in that: the gear rack (5) and the gear (9) are in a meshed state, the sliding block (6) is movably connected inside the sliding groove (7), two movable grooves (16) are formed in the top of the box body (1), and the thread blocks (13) are movably connected inside the movable grooves (16).

4. A membrane switch according to claim 2, characterized in that: the box (1) fixedly connected with fixing base (12), threaded rod (11) swing joint is inside fixing base (12), threaded rod (11) are two-way threaded rod.

5. A membrane switch according to claim 2, characterized in that: threaded rod (11) right side fixedly connected with rocker (17), rocker (17) surface fixed connection has the slipmat, two the equal fixedly connected with rubber cushion in one side that clamp splice (15) is relative.

6. A membrane switch according to claim 1, characterized in that: the number of the supporting legs (3) is four, and the supporting legs (3) are evenly distributed at four corners of the bottom of the box body (1).