CN210607063U - Card insertion type film switch - Google Patents

Abstract

The utility model discloses a card insertion type membrane switch, include the switch body of constituteing by panel layer, face glue film, fixed bed, room lamella, circuit layer and primer layer, be provided with the display screen on the panel layer and press the button district, the fixed slot has been seted up on the fixed bed, be equipped with the slot of electricity is got to the plug-in card in the fixed slot, uniform body shaping has to support the piece on the both sides outer wall of slot, the fixed slot internal fixation has the fixed plate, the fixed plate top spin has the bolt, the cover is equipped with rather than assorted nut on the tip outer wall of bolt, be fixed with the push rod on the outer wall of nut, the interior diapire of fixed slot rotates has two dead levers that are the setting of L type, the tip of dead lever is located the upside of support. The utility model discloses a set up the membrane switch of plug-in card formula, reduce the standby loss, increase of service life to through the different card of slot adaptation equidimension not of change, need not change the switch, reduce manufacturing cost and cost of labor.

Description

Card insertion type film switch

Technical Field

The utility model relates to an electrical switch technical field especially relates to card insertion type membrane switch.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel layer. Generally, the circuit board comprises a panel layer, an upper circuit, an isolation layer and a lower circuit. When the membrane switch is pressed down, the contact of the upper circuit deforms downwards to be in contact with the polar plate of the lower circuit for conduction, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal.

In order to achieve the effects of energy conservation and environmental protection, the current membrane switch is generally set to be of a plug-in type, the standby power consumption of a product is far lower than that of a traditional press type switch after a card is pulled out, a power supply is not connected, energy is saved, circuit damage is reduced, however, the size of a slot of the traditional plug-in type switch cannot be changed according to the size of the card, the switch needs to be changed, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the plug-in card formula membrane switch that provides.

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

card insertion type membrane switch includes the switch body of compriseing panel layer, face glue film, fixed bed, lamella, circuit layer and primer layer between, be provided with the display screen on the panel layer and press the key zone, the fixed slot has been seted up on the fixed bed, be equipped with the slot that the electricity was got to the plug-in card in the fixed slot, uniform integrated into one piece has to the piece on the both sides outer wall of slot, the fixed slot internal fixation has the fixed plate, the fixed plate top spin has the bolt, the cover is equipped with rather than assorted nut on the tip outer wall of bolt, be fixed with the push rod on the outer wall of nut, the interior diapire of fixed slot rotates has two dead levers that are the setting of L type, the tip of dead lever is located the upside of piece, every the outer wall that the nut was kept away from to the push rod.

Preferably, the upper end of the switch body is provided with a slot matched with the size of the slot, and the upper end of the switch body is rotatably connected with a cover plate positioned on the upper side of the slot.

Preferably, a telescopic spring is fixed between each fixing rod and the inner wall of the fixing groove.

Preferably, two guide rods are fixed on the fixing plate, and the two push rods are respectively sleeved on the outer wall of one of the guide rods.

Preferably, the lower side of one end of each fixing rod close to the corresponding support piece is provided with a semicircular end, and the distance between each semicircular end and the inner bottom wall of the fixing groove is smaller than the distance between each support piece and the inner bottom wall of the fixing groove.

Preferably, a mechanical switch is arranged in the slot, and a wire insertion port connected with the mechanical switch is arranged on the outer wall of the slot.

Compared with the prior art, the card-inserting type membrane switch has the advantages that:

1. the circuit layer is connected with the mechanical switch through the connection of the wire and the wire insertion port, when the card is inserted into the slot, the mechanical switch is triggered to complete the connection of the circuit, the card is pulled out to be powered off, the standby of an electric appliance is avoided, the increase of power consumption is avoided, and the service life is shortened;

2. the slot is placed in the fixing groove, the bolt is screwed into one side of the fixing groove to drive the nut and the push rod to move forwards, the fixed rod is extruded to rotate towards the inner side until the semicircular end slides into the upper end of the abutting piece to fix the slot, the slot is replaceable, cards with different sizes are replaced according to different requirements, the switch body does not need to be replaced, and the cost is saved;

to sum up, the utility model discloses a set up the membrane switch of plug-in card formula, reduce the standby loss, increase of service life to through the different not card of equidimension of slot adaptation of changing, need not change the switch, reduce manufacturing cost and cost of labor.

Drawings

Fig. 1 is an external view of a card-insertion type membrane switch provided by the present invention;

fig. 2 is a structural diagram of a card insertion type membrane switch provided by the present invention;

fig. 3 is a top view of the fixed layer in the card-insertion type membrane switch according to the present invention.

In the figure: the display screen comprises a panel layer 1, a surface glue layer 2, a fixing layer 3, a sheet layer 4, a line layer 5, a bottom glue layer 6, a slot 7, a butting sheet 8, a fixing rod 9, a telescopic spring 10, a fixing plate 11, a bolt 12, a push rod 13, a key area 14, a wire interface 15, a guide rod 16 and a display screen 17.

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 card-inserted type membrane switch comprises a switch body composed of a panel layer 1, a surface glue layer 2, a fixed layer 3, a interlayer layer 4, a circuit layer 5 and a bottom glue layer 6, wherein the panel layer 1 is provided with a display screen 17 and a key area 14, the key area 14 is a plurality of functional keys and is a part arranged on the existing membrane switch, the display screen 17 is used for observing the adjustment change of the pressed functional keys, the fixed layer 3 is provided with a fixed groove, a slot 7 for inserting and taking electricity is arranged in the fixed groove, the upper end of the switch body is provided with a slot with a size matched with that of the slot 7, the upper end of the switch body is rotatably connected with a cover plate positioned at the upper side of the slot, the cover plate shields a slot groove, dust and sundries are prevented from entering the slot 7 to influence subsequent card-inserting work after falling into the slot 7, a mechanical switch is arranged in the, the circuit layer 5 is connected with the mechanical switch through the connection of the lead and the lead jack 15, and when the card is inserted into the slot 7, the mechanical switch is triggered to complete the connection of the circuit.

Abutting pieces 8 are integrally formed on the outer walls of the two sides of the slot 7, a fixing plate 11 is fixed in the fixing groove, a bolt 12 is screwed on the fixing plate 11, a nut matched with the bolt 12 is sleeved on the outer wall of the end part of the bolt 12, a push rod 13 is fixed on the outer wall of the nut, two fixing rods 9 arranged in an L shape are rotated on the inner bottom wall of the fixing groove, the end parts of the fixing rods 9 are positioned on the upper side of the abutting pieces 8, a telescopic spring 10 is fixed between each fixing rod 9 and the inner wall of the fixing groove, when the telescopic spring 10 is completely unfolded, the tip of dead lever 9 is kept away from to piece 8, and the one end that the nut was kept away from to every push rod 13 contacts with the outer wall of one of them dead lever 9, and two dead levers 9 are close to the one end downside of piece 8 and are provided with the semicircle end, place slot 7 in the fixed slot, toward fixed slot one side screw in bolt 12, drive nut and push rod 13 and move forward, and extrusion dead lever 9 is rotated to the upper end that the semicircle end slided into piece 8 toward the inboard and is fixed to piece 8.

Furthermore, the slots 7 with different specifications and sizes only have different internal spaces and are consistent in external specifications, and the switches do not need to be replaced under different requirements by installing different slots 7, so that the cost is reduced.

The distance between the semicircular end and the inner bottom wall of the fixing groove is smaller than the distance between the abutting piece 8 and the inner bottom wall of the fixing groove, so that the abutting piece 8 can be abutted tightly by the semicircular end and the abutting piece 8 in contact, and then the fixing of the slots 7 with different specifications is completed.

Two guide rods 16 are fixed on the fixing plate 11, the two push rods 13 are respectively sleeved on the outer wall of one guide rod 16, the push rods 13 slide on the outer wall of the guide rods 16, the push rods 13 are limited by the guide rods 16, the nuts and the push rods 13 are prevented from rotating, and the nuts and the push rods 13 only move.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The card insertion type membrane switch comprises a switch body consisting of a panel layer (1), a surface glue layer (2), a fixing layer (3), a interlayer layer (4), a circuit layer (5) and a bottom glue layer (6), and is characterized in that a display screen (17) and a key area (14) are arranged on the panel layer (1), a fixing groove is formed in the fixing layer (3), a slot (7) for inserting a card to take electricity is arranged in the fixing groove, abutting pieces (8) are formed on outer walls of two sides of the slot (7) in a uniform body mode, a fixing plate (11) is fixed in the fixing groove, a bolt (12) is screwed on the fixing plate (11), a nut matched with the bolt is sleeved on the outer wall of the end portion of the bolt (12), a push rod (13) is fixed on the outer wall of the nut, two fixing rods (9) which are arranged in an L shape are rotated on the inner bottom wall of, the end parts of the fixing rods (9) are positioned on the upper side of the abutting sheet (8), and one end, far away from the nut, of each push rod (13) is in contact with the outer wall of one fixing rod (9).

2. The card insertion type membrane switch according to claim 1, wherein the upper end of the switch body is provided with a slot matched with the size of the slot (7), and the upper end of the switch body is rotatably connected with a cover plate positioned at the upper side of the slot.

3. The card-insertion type membrane switch according to claim 1, wherein a telescopic spring (10) is fixed between each of the fixing bars (9) and an inner wall of the fixing groove.

4. A card-inserting type membrane switch according to claim 1, characterized in that two guide rods (16) are fixed on the fixing plate (11), and the two push rods (13) are respectively sleeved on the outer wall of one of the guide rods (16).

5. The card-inserting type membrane switch according to claim 1, characterized in that the lower side of one end of the two fixing rods (9) close to the resisting sheet (8) is provided with a semicircular end, and the distance between the semicircular end and the inner bottom wall of the fixing groove is smaller than the distance between the resisting sheet (8) and the inner bottom wall of the fixing groove.

6. A card-insertion type membrane switch according to claim 1, characterized in that a mechanical switch is arranged in the slot (7), and a wire insertion port (15) connected with the mechanical switch is arranged on the outer wall of the slot (7).

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