99 results about "Membrane switch" patented technology

The invention provides high-stability double-layer core-shell coated pure copper silver-substituted conductive paste and a preparation method thereof, and belongs to the technical field of electronic special materials. The copper-resistant coating comprises the following components in percentage by mass: 82%-90% of antioxidant copper powder with a double-layer core-shell structure, 3%-6% of bismuth-boron-zinc lead-free low-melting-point glass powder, 3%-7% of a modified epoxy resin compound organic carrier, 2%-5% of a gradient volatilization compound solvent and 0.5%-2% of a special compound additive for copper. Through the double-layer core-shell copper powder design of inner-layer nano-silver passivation and outer-layer organic composite coating and in cooperation with a liquid-phase synergistic anti-oxidation system, the volume resistivity after slurry curing is smaller than or equal to 3.5 * 10 <-5 > omega.cm, the resistivity change rate after 1000-hour damp-heat aging at 85 DEG C / 85% RH is smaller than or equal to 10%, the normal-temperature storage period without opening a tank is larger than or equal to 6 months, direct curing can be conducted in the conventional air atmosphere of 120-160 DEG C, and the high-temperature-resistant copper paste can be applied to the field of high-temperature storage. The silver paste is completely compatible with production and application production lines of existing silver paste, equipment transformation is not needed, the comprehensive cost is reduced by more than 80% compared with pure silver paste, and the silver paste can be widely applied to the fields of PCBs, membrane switches, flexible electronics, photovoltaic back electrodes, LED packaging and the like.

The invention relates to the technical field of new energy automobile related equipment manufacturing, and discloses a membrane switch pressure detection device which comprises a detection table, the middle of the detection table is fixedly connected with a top plate through two connecting columns, a bidirectional lead screw is installed between the top plate and the detection table, and the bidirectional lead screw is in transmission connection with a supporting block; the back-off units are symmetrically installed on the two sides of the supporting block, one side of each back-off unit is fixedly connected with a pressure applying assembly, and a driving unit is fixed to the top of each back-off unit; according to the invention, through the synergistic effect of the designed rollback unit and the driving unit, the pressure applying action of the membrane switch can be automatically interrupted, when the membrane switch on the detection table completes preset pressing times, the detection can be automatically stopped, the detection process of other membrane switches on the adjacent station cannot be interfered, and the detection efficiency is improved. Therefore, the batch detection requirement of the new energy automobile membrane switch can be met.

The utility model belongs to the technical field of membrane switches, and particularly relates to a vacuum adsorption turnover table for assembling a membrane switch, which comprises a base, an adsorption mechanism, a clamping mechanism and a turnover mechanism, and is characterized in that through the arrangement of the adsorption mechanism, a circuit board layer of the membrane switch is placed in the center of the top surface of a placement table; a vacuum pump is operated to form negative pressure in a vacuum cavity, so that the circuit board layer can be adsorbed and fixed, the circuit board layer can be conveniently assembled, and a clamping mechanism is arranged to control a second air cylinder to drive clamping plates to be close to each other so as to clamp and fix the panel layer; a first air cylinder is controlled to drive a circuit board layer to move upwards so that the circuit board layer and a panel layer can be spliced and assembled, by arranging a turnover mechanism, when the panel layer needs to be turned over, a rotary handle is pulled outwards to drive an inserting rod to be separated from an inserting groove so that limiting of the turnover mechanism to the panel layer can be relieved, and the rotary handle is rotated to drive a clamping mechanism and the panel layer to rotate; and the rotating angle of the panel layer can be adjusted.

The application relates to the technical field of micro electro mechanical system (MEMS), and particularly relates to a MEMS switch and a preparation method thereof, wherein the MEMS switch comprises a support structure layer and an encapsulation structure; a cavity is released on the support structure layer, and a matching thin film and a static area are formed; the encapsulation structure and the support structure layer jointly form an airtight chamber; a piezoelectric actuator comprises a piezoelectric driving electrode and at least one layer of piezoelectric thin film; an electric contact structure comprises a dynamic contact electrode and a static contact electrode arranged in the airtight chamber; the dynamic contact electrode is arranged on the piezoelectric actuator, and the static contact electrode is arranged towards the dynamic contact electrode and fixedly arranged. The piezoelectric actuator and the dynamic contact electrode are directly prepared on a wafer base, and the static contact electrode opposite to the dynamic contact electrode is fixedly arranged in the encapsulation structure; by applying a forward voltage difference or a reverse voltage difference to the piezoelectric actuator, the on-off of the electric contact structure is realized, and the overall structure is simple and controllable.

The utility model relates to the technical field of electronic switches, in particular to a membrane switch with good sealing performance. Comprising a bottom plate and a sealing mechanism, the sealing mechanism comprises a mounting table, a membrane switch body, a waterproof table, a sealing cover, a drying device and a fixing device, the membrane switch body is directly arranged in a rectangular groove in the top of the mounting table during mounting, and a cable hole is vertically formed in the rectangular groove in the top of the mounting table, so that working cables of the membrane switch body are conveniently arranged; after the membrane switch body is installed, the sealing cover can be directly installed, under the cooperation of the waterproof platform, external water entering the interior can be reduced, the safety is improved, the drying device is used for drying water mist entering the interior from the cable hole, the protection effect is further improved, long-time use of the switch is facilitated, and the service life of the switch is prolonged. Therefore, the waterproof performance of the switch can be improved during use, and the switch can be stably used for a long time.

The utility model discloses a superconductive membrane switch comprising a panel layer, an upper circuit board, an isolation layer and a lower circuit board which are sequentially bonded and fixed from top to bottom, the panel layer is provided with a plurality of button parts, and the edge position of the lower surface of the panel layer is provided with a plurality of positioning projections. A plurality of positioning grooves are formed in the edge of the upper surface of the upper circuit board, the positioning protrusions and the positioning grooves are arranged in a one-to-one correspondence mode, and the positioning protrusions can be tightly matched with the corresponding positioning grooves. According to the utility model, rapid positioning between the panel layer and the upper circuit board can be realized, and the risk of pasting dislocation of the panel layer is reduced, thereby ensuring normal use of the membrane switch.

The application discloses an online detection system and method for a digital printing film switch, and relates to the technical field of machine vision detection. The method comprises the following steps: acquiring an initial image of a product to be detected; processing the initial image to obtain a second image; detecting the second image to obtain a size defect result, a position defect result, a color difference defect result, a bubble defect result and a crack defect result of the product to be detected; obtaining a total defect detection result of the product to be detected according to the size defect result, the position defect result, the color difference defect result, the bubble defect result and the crack defect result; and sorting the product to be detected according to the total defect detection result of the product to be detected. The method improves detection precision and production efficiency, and effectively reduces the missing detection rate and the false detection rate.

The utility model belongs to the technical field of die cutting, and particularly relates to a film switch panel die cutting device which comprises a base, and a supporting plate is fixedly connected to the top of the base. A die cutting assembly is arranged in the middle of the supporting plate. The base group is fixedly connected with a pair of square plates; the side wall of the square plate is fixedly connected with a servo motor; the output end of the servo motor is fixedly connected with a rotating rod; the rotating rod penetrates through the square plate and is rotationally connected with the square plate; the top of the rotating rod is fixedly connected with a fixed plate; the middle part of the fixed plate is fixedly connected with a vacuum chuck; the side wall of the rotating rod is fixedly connected with a transmission pipe; materials are adsorbed and fixed through vacuum suction cups, the materials can be flexibly fixed through the vacuum suction cups, damage to the materials is reduced when the materials are fixed, meanwhile, after the materials are treated, the materials are conveyed to the surface of a connecting plate through rotation of a rotating rod, and finally the materials are guided to rapidly enter a collecting box; and convenience can be increased when the materials are taken out.

The utility model discloses an electronic membrane switch capable of preventing dislocation, which relates to the field of electronic membrane switches and comprises a switch body, a plurality of groups of membrane elastic sheets are mounted at the top of a first panel, reinforcing blocks are arranged in the membrane elastic sheets, and a plurality of groups of connecting rods are connected to the bottoms of the reinforcing blocks. A connecting column is arranged at the end of the connecting rod, and the outer wall of the connecting column is sleeved with a limiting ring. The electronic thin-film switch solves the problem that the internal structure of the electronic thin-film switch is easy to damage when the pressing force of a person is too large, when the thin-film elastic sheet deforms, the thin-film elastic sheet pushes the connecting column downwards through the connecting rod, so that the connecting column deforms the first guide sheet downwards, and the first guide sheet is prevented from being damaged in the displacement process of the connecting column. The limiting ring carries out limiting control on movement of the connecting column, so that the connecting column can move in the vertical direction all the time, the limiting ring can limit the displacement distance of the connecting column, and the situation that the connecting column extrudes and damages the second guide piece due to the fact that the pressing force of personnel is too large is prevented.

A PIN-out circuit structure capable of preventing poor insulation and a membrane switch are disclosed, the PIN-out circuit structure comprises a rubber isolation layer, two sides of the rubber isolation layer are respectively provided with an upper conductive layer and a lower conductive layer, the upper conductive layer and the lower conductive layer are respectively arranged on the upper side and the lower side of the rubber isolation layer through an upper conductive ink layer and a lower conductive ink layer, and the upper conductive ink layer and the lower conductive ink layer are respectively arranged on the upper side and the lower side of the rubber isolation layer. And the end part of the lower conductive ink layer is arranged in an inward shrinkage manner so as to avoid a punching position. According to the PIN outlet circuit structure capable of preventing poor insulation and the membrane switch provided by the utility model, the end part of the lower conductive ink layer is arranged in an inward shrinkage manner so as to avoid a punching position, so that the problem of poor insulation of the circuit at the PIN outlet position caused by residual ink on the circuit due to punching of the lower conductive ink layer can be avoided.

This utility model relates to the field of membrane switch testing technology and discloses a membrane switch function testing device, including a fixed platform. A connecting platform is fixedly connected to the top left side of the fixed platform. A lifting mechanism is provided on the top of the connecting platform, and an adjustment mechanism is provided at the bottom of the lifting mechanism. A testing platform is fixedly connected to the top of the connecting platform. Control buttons are fixedly connected to the left and right sides of the front of the connecting platform. A load-bearing frame is fixedly connected to the top right side of the fixed platform, and a display is fixedly connected to the top of the load-bearing frame. A membrane switch body is provided on the top of the testing platform, and the bottom of the membrane switch body is in contact with the top of the testing platform. The lifting mechanism includes a support frame. A cylinder drives the lifting plate to move vertically, causing the contact buttons to precisely press down on the membrane switch body, replacing manual pressing and improving work efficiency. A limit rod can limit the lifting plate, making the lifting plate more stable during the lifting process.

The application discloses a kind of high-performance low-silver content silver paste and preparation method thereof, belong to printed circuit technical field.The preparation method includes: preparation epoxy-polyurethane copolymer resin;Epoxy-polyurethane copolymer resin, ethylene glycol diglycidyl ether active diluent and mixed organic solvent are stirred and reacted, to obtain organic carrier;Organic carrier, 3-amino propyl triethoxysilane coupling agent and BYK-180 dispersant are stirred at low speed, then carboxylated single-walled carbon nanotube is added, stirred at high speed, batched silver flake is added, continue to stir, to obtain mixed slurry;Thickening agent is added to mixed slurry, stir, then curing agent and accelerator are added, continue to stir, to obtain uniform paste;Uniform paste is repeatedly ground, then vacuum degassing and filtration are carried out in turn.The silver content of high-performance low-silver content silver paste prepared by the application is low, curing temperature is low, conductivity is good and flexural resistance is good, suitable for low-temperature fast drying requirement's membrane switch or flexible printed circuit.

The utility model relates to the technical field of membrane switches, and discloses a membrane switch with an LED screen, which comprises a circuit layer assembly, and a surface layer assembly is arranged at the upper part of the circuit layer assembly. LED lamp beads are arranged in the light transmitting layer, the upper portion of the reflecting layer is arranged on the lower portion of the light transmitting layer, the identification groove is formed in the left side of the light shielding layer, the lower portion of the light shielding layer is arranged on the upper portion of the light transmitting layer, and a light transmitting film is arranged in the identification groove. According to the membrane switch with the LED screen, the identification grooves are grooves with the shapes of various characters, the other parts of the shading layer except the identification grooves are all made of light-proof colors or materials, the LED lamp plants are used for emitting light, the reflecting layer is used for reflecting light, and when the light penetrates through the grooves, the light is brighter, so that the light intensity is improved, and the service life of the membrane switch is prolonged. Therefore, a user can clearly see the meaning of the character represented by the identification slot in a dark environment and can clearly know the function of the switch corresponding to the identification slot.

The utility model discloses a kind of anti-keyboard offset structures of convex electronic membrane switch, specifically related to anti-keyboard offset structure technical field, including key mechanism, bottom plate assembly and mounting assembly, bottom plate assembly is installed in the below of key mechanism, and mounting assembly is installed in the below of the bottom plate assembly, it is limited horizontal displacement by the cooperation limit component in key mechanism, i. e.

This utility model relates to the field of computer keyboard technology and discloses an anti-ghosting computer keyboard membrane switch, including a membrane body. An upper wire is disposed inside the membrane body, and a middle partition layer is disposed on the lower surface of the upper wire. The outer wall of the middle partition layer is disposed inside the membrane body, and a circular hole is formed inside the middle partition layer. A lower wire is disposed on the lower surface of the middle partition layer, and the outer wall of the lower wire is disposed inside the membrane body. A conductive line is disposed inside the lower wire, and solder pads are fixedly connected to both outer walls of the conductive line. In this utility model, through the cooperation of the upper wire, middle partition layer, circular hole, lower wire, conductive line, solder pads, UV bridge, and surface mount, effective insulation and isolation are achieved, enhancing signal stability and anti-interference, reducing the probability of accidental touches, and simultaneously realizing a precise and reliable conduction triggering function, thereby effectively preventing ghosting.

The utility model discloses a keyboard structure combining a membrane switch and a backlight module, which belongs to the technical field of keyboards and sequentially comprises a keycap, a scissor type support frame, a support plate, a shading layer, a light guide layer, an elastic piece, an upper circuit layer, a middle interlayer, a lower circuit and a light source layer. Wherein the lower circuit layer is formed by integrating a traditional lamp panel, a reflecting layer and a keyboard lower circuit layer into one layer; wherein the lower circuit and light source layer and each key position are at least connected with zero to a plurality of light-emitting LEDs, the LEDs transmit light to the light guide layer through the middle interlayer and the upper circuit layer, the light guide layer emits the light to the key caps through reflection and refraction microstructures on the light guide layer, and therefore the backlight effect is achieved; the substrate of the lower circuit layer and the light source layer is a plastic film or an imide film or a metal plate or a composite structure of the plastic film and a metal film. According to the keyboard structure combining the membrane switch and the backlight module, the backlight keyboard can be thinned, the weight of the keyboard is reduced, and the endurance of a computer is improved.

The utility model discloses an electrochromism electric quantity indicating device for a dry battery, and particularly relates to an electrochromism electric quantity indicating device which is composed of an electrochromism module, an insulating sheet, a membrane switch attached to the insulating sheet and an electrode connecting end, and the color of the electrochromism module can be changed by pressing the membrane switch attached to the insulating sheet. The residual electric quantity in the dry battery can be judged according to the color change of the electrochromism module, and the electrochromism electric quantity indicating device plays a role in indicating the electric quantity of the dry battery. The electrochromic electric quantity indicating device for the dry battery can be applied to the production field of the dry battery.

The utility model belongs to the field of conveying equipment, and particularly relates to a membrane switch feeding device which comprises a machine frame, a plurality of rotating shafts are connected to the machine frame in a rotating mode, chain wheels are fixedly connected to the rotating shafts, chains are installed on the chain wheels, a motor is fixedly connected to the side face of the machine frame, and the output end of the motor is fixedly connected with the rotating shafts. A plurality of chain plates are installed on the chain, a support is fixedly connected to the chain plates, sliding grooves are formed in the two ends of the support, and sliding blocks are connected into the two sliding grooves in a sliding mode. During use, a rotating shaft, a chain wheel, a chain, a motor and a chain plate are mounted on a rack to form a plate chain type conveyor, the chain plate is driven by the motor to move, a support is mounted above the chain plate, clamping seats are mounted on two sides of the support, and the edge of a thin-film switch circuit board is clamped from two sides by the aid of the two clamping seats. Therefore, the thin-film switch circuit board is fixed, the transportation stability is improved, and conveying assembly and grabbing of other equipment are facilitated.

A liquid crystal element includes: a first substrate, a second substrate, and a liquid crystal layer; pixel electrodes on the first substrate side by using a transparent conductive film, including those having different shapes; thin film switching elements disposed on the first substrate side, and that correspond respectively to the pixel electrodes; first wirings on the first substrate side by using a transparent conductive film, and interconnect the pixel electrodes and thin film switching elements; and a counter electrode on the second substrate side and disposed to overlap the pixel electrodes; where the pixel electrodes are disposed within a first region where image formation light is irradiated, and where the thin film switching elements is disposed in a second region adjacent to the first region that is not irradiated with the image formation light.

The invention discloses an intelligent training pad, a motion data processing method and system and a medium, and is applied to the technical field of training pads. A pressure sensing unit is arranged in the jumping area and used for collecting a pressure signal; a thin film switch unit is arranged in the flat plate supporting area and used for collecting switch state signals; and the control module is electrically connected with the pressure sensing unit, the membrane switch unit and the display module, and is used for counting based on the pressure signal and displaying a counting result through the display module, or timing based on the switch state signal and displaying a timing result through the display module. Thus, by using the intelligent training pad, the sports safety and comfort can be improved, automatic timing and counting can be achieved, and therefore most sports scenes can be met; moreover, the counting result or the timing result is displayed through the display module, so that the user can conveniently master the training progress in real time, training is easier to achieve the training target, and the user experience can be improved.

The utility model discloses an FPC line impedance automatic acquisition and determination intelligent device, and relates to the field of FPC line impedance testing. The FPC line impedance automatic acquisition and determination intelligent device comprises a test platform, a DC resistor, a test ammeter, a USB converter and a test sample. According to the intelligent device for automatically collecting and judging the FPC line impedance, the testing electric meter is in contact with the terminals of the testing sample, loop testing is carried out, a membrane switch is pressed, detection is carried out, the testing sample is placed between the fixing base and the clamping base, the testing sample is fixed, the testing electric meter is in contact with the corresponding terminals on the testing sample conveniently, and the testing efficiency is improved. The multi-point test can be conveniently carried out, and the situation that the single-point test efficiency is low can be effectively avoided.

The utility model discloses a kind of circuit detection equipment for electronic membrane switch production, it is related to membrane switch detection field, including installation platform, hard interface switch and soft interface switch, the top of installation platform is provided with workbench and mounting bracket, and the bottom of mounting bracket is provided with telescopic component, and the bottom of telescopic component is provided with detection probe, rotatable connection is formed between the workbench and mounting bracket rotation table, and the side of rotation table is provided with clamping frame.The utility model can be turned over by setting rotation table, one side of rotation table is used to detect soft interface switch, and the other side of rotation table is provided with clamping frame, clamping frame can be clamped hard interface switch, and then circuit detection equipment can be switched by turning over rotation table 180 °, the quick switching of detection mode is carried out, so that it is more convenient for switching detection between soft interface switch and hard interface switch.

The utility model discloses a membrane switch performance detection equipment concretely relates to membrane switch detection technical field, including base, the base top is fixed with the mount frame through the welding, the top of mount frame is in horizontal state, the mount frame places at the top of pneumatic cylinder, the pneumatic cylinder output end is connected with telescopic link, drives telescopic link to carry the automatic up and down movement of bearing plate and inspection rod through pneumatic cylinder, completes the pressing detection to membrane switch, reduces manual intervention, and the production efficiency is greatly promoted. On detection accuracy, fixed plate and limit rod cooperation guarantee bearing plate movement stability, avoid deviation, ensure that inspection rod accurate effect is in membrane switch, and if the high accuracy sensor is gathered data in the subsequent, can further improve detection accuracy. On operation, is equipped with control switch and display, and operating personnel can easily control equipment operation and intuitively check data result, and the operation is simple, reduces the difficulty, and promotes the use experience.

The utility model relates to the technical field of membrane switch processing, and discloses an edge end polishing device for membrane switch processing, which comprises a placing frame, a motor is fixedly assembled on the side surface of the inner wall of the placing frame, an output shaft of the motor is fixedly sleeved with a rotating plate, and the inner wall of the rotating plate is fixedly sleeved with a circular plate. A cylinder is fixedly assembled on the side face of the circular plate, and a clamping cylinder is fixedly assembled on the side face of the cylinder. Through cooperative use of a motor and a rotating shaft, the motor is used for driving the rotating shaft to rotate, so that the rotating shaft is used for driving a limiting cylinder to rotate, the limiting cylinder is used for driving a limiting rod to rotate, the limiting rod is used for driving an adjusting plate to rotate in the inner wall of a cylinder, and a sliding rod is used for driving the adjusting plate to rotate in the inner wall of an arc-shaped groove; and then the adjusting plate is used for driving the clamping rod to slide in the inner wall of the clamping barrel in a reciprocating mode, the clamping rod drives the grinding plate to move through the side rod and the side plate, and the grinding plate is used for grinding the side face of the membrane switch in a reciprocating mode.

The utility model discloses a kind of high-sensitivity membrane switches, involve switch technical field, including upper shell, the lower part of upper shell is provided by lower shell, the inside of lower shell is provided with circuit board, the inside of upper shell is provided with rubber sheet, multiple pressing blocks are inlaid on rubber sheet, the bottom end middle part of pressing block is inlaid with conductive sheet, the lower surface both ends of conductive sheet are provided with protruding block, the upper surface of circuit board is provided with contact, the inside of pressing block is provided with cavity, the inside both ends of cavity are provided with rubber column, and rubber column mutually adhere to each other. The utility model is by setting cavity in pressing block, multiple rubber columns are set in cavity, multiple rubber columns mutually adhere to each other, when pressing degree is smaller, pressing block drives conductive sheet to move, and circuit conduction is completed by the cooperation of conductive sheet and contact, when pressing degree is larger, rubber column is extruded mutually, and pressing block is deformed, avoid that circuit board is damaged by the direct action of pressure on circuit board.

The utility model discloses a double-section normally-closed dustproof membrane switch, which comprises a base, an inner circular cavity is arranged in the base, an outer circular cavity with the depth lower than that of the inner circular cavity is arranged on the outer ring of the inner circular cavity, contact piece grooves are arranged at four corners of the outer circular cavity, and a first interference step is arranged on the base; the contact piece assembly comprises an inner contact piece I, an inner contact piece II, an outer contact piece I and an outer contact piece II; second interference steps are arranged on the bottom wall of the inner circular cavity on the inner sides of the inner contact piece I and the inner contact piece II; the pressing assembly comprises an inner elastic piece, a fixing yellow piece, a pressing contact piece and a dustproof cover plate, the outer ring of the pressing contact piece is provided with positioning feet distributed in a cross shape, and the positioning feet are embedded into the contact piece grooves. The whole base is of a square structure, and the inner contact piece, the outer contact piece and the pressing assembly are integrated on the base, so that the whole switch is small in size and suitable for being installed in electronic equipment with limited space. And circuit control of double circuits can be realized, and function diversification is realized.

The utility model discloses a kind of voltage-withstanding electronic membrane switches, involve switch technical field, including mounting plate, the top of mounting plate is provided with cover plate, the top of mounting plate is provided with circuit board, the top of circuit board is provided with baffle, multiple through slots that are equidistant matrix distribution are opened in cover plate, movable block is set in through slot, the outer side of movable block is movably connected with the inner wall of through slot by rubber ring, positioning slot is opened in baffle, connecting block is inserted in positioning slot, the top of connecting block and the bottom of movable block are connected with sticking.The utility model sets through slot in cover plate, movable block is set in through slot, movable block is connected between through slot by rubber ring, when normally using, movable block hides in through slot, avoid extrusion to switch to cause circuit closure false touch phenomenon, connecting block is set below movable block, the limiting block set in the both sides of connecting block can avoid connecting block to be pressed too much when circuit board is pressed to break.

This utility model relates to the field of membrane switch positioning hole processing technology, and discloses an automatic drilling device for membrane switch positioning holes. The device includes a worktable with an automatic drilling mechanism and an auxiliary feeding mechanism on its surface. The automatic drilling mechanism consists of a dual-axis material automatic gripping and moving component and an automatic drilling component. The dual-axis material automatic gripping and moving component achieves precise material gripping and movement through two ball screw linear guides and pneumatic suction cups. The automatic drilling component uses a cylinder and a pneumatic telescopic column to control the drilling head, and combines a camera and auxiliary lighting to monitor the positioning point to ensure drilling accuracy. An auxiliary holding plate prevents material movement. The auxiliary feeding mechanism uses a servo-controlled motor and lead screw to align and feed the material. A finished product placement box is used for storage. This device has a high degree of automation and can accurately and efficiently complete the processing of membrane switch positioning holes, meeting the needs of automated production, reducing labor costs, and improving processing efficiency and stability.

The utility model discloses a computer keyboard membrane switch with protection structure, specifically relates to membrane switch technical field, including panel, metal grid sheet, cross -reinforced frame, elastic buffer column and protection frame, metal grid sheet is bonded in the lower end surface of panel, and elastic buffer column sets up in the upper end surface of metal grid sheet, through metal grid sheet provides hard protection frame for membrane switch, when the keyboard is impacted by external force or the bending deformation in long -term use, the continuous support surface formed can disperse the concentrated stress to whole grid area, avoids the partial overload and leads to the membrane bending rupture, and simultaneously does not interfere with the capacitance signal transmission between touch -sensitive panel and circuit board, and the whole support frame is formed through the grid connection in the unit gap, and through the vertical setting elastic buffer column, linear impact is converted into three -dimensional buffer, and the impact force in the vertical direction is buffered, and the flexible contact of the column body does not extrude the membrane circuit, ensures that touch -sensitive signal is not interfered.