32results about How to "Avoid disassembly for maintenance" patented technology

The invention relates to a detection method, device and system for the accuracy of a thermometer board sampling circuit. The method includes: controlling the detection device connected to the thermometer board to be detected and having a selectable resistance value to switch successively to different resistance values, so that the NTC temperature sensing interface of the sampling circuit in the thermometer board is successively connected to different resistance values. Obtain the measured value of each resistance of the thermometer board; determine whether the accuracy of the sampling circuit in the thermometer board meets the preset measurement requirements according to the measured value and the corresponding actual resistance value. The solution of the invention can verify the accuracy of the sampling circuit of the board during the programming of the board, avoids dismantling and maintenance, and is beneficial to reduce the cost.

The invention discloses an LT type elastic sleeve pin coupling. The coupling includes a left half-coupling, a right half-coupling, multiple fastening pins, multiple fastening nuts and multiple elasticsleeves. A surface where the left half-coupling and the right half-coupling are in contact is provided with a matching positioning device, which facilitates assembly and positioning and effectively solves the problem of wrong mounting. An integral shock absorbing pad is arranged between the left half-coupling and the right half-coupling, A shockproof sleeve and a shockproof washer are arranged onthe positioning device surface, which strengthens the shockproof performance of the coupling. In addition, the connecting surface side of the left half-coupling of the coupling is also provided withan oil filling hole communicating with a shaft hole so as to oil for rust prevention. The LT type elastic sleeve pin coupling has the advantages of simple structure, reasonable arrangement and low manufacturing cost, effectively reduces the wear and rust prevention problem between a coupling shaft and the hole, and has good use value.

The invention provides a temperature sensor corresponding relation determination method and device and an air conditioner. The air conditioner comprises a plurality of indoor units, wherein each indoor unit comprises a plurality of temperature sensors, the plurality of temperature sensors are arranged on a liquid pipe, a middle pipe and an air pipe, and the plurality of temperature sensors comprise a liquid pipe temperature sensor, a middle pipe temperature sensor and an air pipe temperature sensor. The method is applied to the air conditioner and comprises the steps that the air conditioner is controlled to operate in a refrigeration mode; in the operation process of the air conditioner, aiming at each indoor unit, the temperature collected by each temperature sensor in each indoor unit is obtained; according to the temperature collected by the liquid pipe temperature sensors and the air pipe temperature sensors of the indoor units, the indoor unit environment temperature, the low-pressure saturation temperature in the middle pipes, the opening degree of indoor unit expansion valves and the temperature collected by middle pipe temperature sensors of the indoor units and other indoor units in an air conditioner, and temperature sensors corresponding to the liquid pipe, the air pipe and the middle pipe are determined from the multiple temperature sensors. According to the scheme, the temperature sensors, corresponding to the liquid pipe, the air pipe and the middle pipe, of the air conditioner can be determined.

The invention discloses a liquid crystal instrument for an electric vehicle, wherein a sealant is arranged at multiple positions of the liquid crystal instrument; the sealant comprises the following components in parts by weight: 2-3 parts of argil, 1-2 parts of abietic acid polyoxyethylene ester, 2-3 parts of bisphenol F diglycidyl ether, 17 parts of nitrile rubber, 3-4 parts of fumed silica, 1-2 parts of CTBN modified epoxy resin, 2-3 parts of 2, 2, 4-trimethyl-1, 2-dihydro-quinoline polymer, 1-2 parts of antioxidant 1010, 3-4 parts of vinyl trimethoxy silane and 1-2 parts of fatty alcohol ether sodium sulphate. The liquid crystal instrument for electric vehicle has double protection of inner shell and outer shell, the sealant at multiple parts of the liquid crystal instrument, the long-time waterproof and moisture-proof property of the interior of the outer shell is ensured, particularly, the long-time waterproof and moisture-proof property of inner part of the inner shell is guaranteed, the and long-time waterproof and moisture-proof property of a liquid crystal display control circuit board is guaranteed. The sealant can resist high temperature of 74 DEG C and can resist the low temperature of minus 22 DEG C.

The invention provides a kitchen waste processor capable of adsorbing and separating metal. The kitchen waste processor capable of adsorbing and separating metal comprises a shell, a motor, a grindingassembly, a grinding cavity upper cover, a connecting rubber sleeve, and a connecting assembly, wherein the motor is fixedly mounted within the shell, and an output shaft of the motor extends above the shell; the grinding assembly is mounted on the top of the shell, and the output shaft of the motor is connected to the grinding assembly; the grinding cavity upper cover is fixedly mounted at the top of the grinding assembly; the connecting rubber sleeve is placed at the top of the grinding cavity upper cover; and the connecting assembly sleeves the outer side of the grinding cavity upper cover, and the connecting rubber sleeve is located in the connecting assembly. The kitchen waste processor capable of adsorbing and separating metal has the advantages of being convenient to use, simple tooperate and capable of adsorbing metal objects in kitchen waste.

The invention discloses a novel liquid crystal display device capable of displaying a timing clock and used for a smoke exhaust ventilator. The novel liquid crystal display device comprises a rectangular aluminum alloy panel and an aluminum alloy outer shell which are in buckle connection with each other, wherein protecting films are coated on the outer surfaces of the aluminum alloy panel and the aluminum alloy outer shell, and the protecting films comprise the following components by weight part: 0.6 parts of propylene glycol, 1-2 parts of barium soap of petrolatum oxide, 6-7 parts of nanometer silicon resins, 1-2 parts of sodium chloride, 2-3 parts of polycarboxylic sodium, 1-2 parts of alginic propylene glycol ester, 0.9 parts of dodecyltrimethylammonium and 1.1 parts of titanate. The novel liquid crystal display device provided by the invention has unique display design, structure design and protecting design; the protecting films are coated on the outer surfaces of the panel and the outer shell, so that the aluminum alloy panel and the aluminum alloy outer shell are prevented from being corroded, and a liquid crystal display control circuit board is prevented from being damped and corroded for a long term.

The invention discloses a waterproof and heat insulation type LCD panel of an electric vehicle. The waterproof and heat insulation type LCD panel of the electric vehicle comprises a panel body and an outer housing body which are connected through a clamp; protecting films cover the outer surfaces of the panel body and the outer housing body; the protecting films are prepared from the following components in parts by weight: 1.2 parts of dinonyl-naphthalenesulfonic aci barium salt, 8 to 9 parts of high-chlorinated polyethylene resin, 1.1 parts of 3-chloro-2-hydroxypropyl trimethyl ammonium chloride, 1 to 2 parts of glycol, 2 to 3 parts of sodium perborate, 0.7 part of coal ash, 0.3 part of lauryl sodium sulfate, 1.4 parts of hexyldecanol, and 1 to 2 parts of dodecanedioic acid. According to the waterproof and heat insulation type LCD panel of the electric vehicle, the panel body and the outer housing body re firmly connected; the outer housing body and the inner housing body bring double protection; in addition, the waterproof and damp-proof sealants are arranged at a plurality of positions; in addition, the protecting films cover the outer surfaces of the panel body and the outer housing body, and therefore, a LCD control circuit board can be resistant to water and damp for a long term.

The invention discloses a liquid crystal display device dedicated for an extractor hood. The liquid crystal display device dedicated for the extractor hood comprises a rectangular aluminium alloy panel and an aluminium alloy shell, wherein the rectangular aluminium alloy panel and the aluminium alloy shell are in buckled connection; the outer surfaces of the aluminium alloy panel and the aluminium alloy shell are coated with a protective film, wherein the protective film comprises the following components in parts by weight: 0.9 part of ethylene glycol, 0.4 part of heptadecenyl imidazoline alkenyl succinate, 8-9 parts of nanometer silicon resin, 1-2 parts of catechol, 2-3 parts of sodium dodecyl benzene sulfonate emulsion, 1-2 parts of divinylbenzene, 1.3 parts of alkylolamides polyethylene oxide epoxyethane ether and 0.8 part of calcium stearate. The liquid crystal display device has peculiar display design, structure design and protection design; the outer surfaces of the panel and the shell are coated with the protective film to prevent the aluminium alloy panel and the aluminium alloy shell from being corroded, and a liquid crystal display control circuit board is prevented from being damped or corroded for a long time.

The invention discloses an electronic lock for a motorcycle. The electronic lock comprises a plastic outer box and a sealed plastic inner box. A metal spring bolt and a drive assembly are arranged in the outer box. The drive assembly comprises a motor and a metal transmission mechanism. The metal transmission mechanism is coated with a protection film, and the protection film is composed of, by weight, one to two parts of methyl benzotriazole sodium salt, eight to nine parts of allyl heptanoate, 1.3 parts of tetrabutylammonium bromide, 0.2 part of heavy calcium powder, one to two parts of ethylene oxide, 0.2 part of asbestos powder, one to two parts of sodium alkylarysulfonate and 0.6 part of Gumacabic powder. The electronic lock for the motorcycle has special mechanical design and electronic design, the metal transmission mechanism is coated with the protection film, it can be guaranteed that the metal transmission mechanism is used for a long time, and effective driving on the spring bolt is guaranteed.

The invention discloses a novel electronic lock for an electric bicycle. The lock comprises a hard plastic outer box and an airtight hard plastic inner box, wherein a metal lock tongue, a sliding way and a driving component are arranged in the outer wall, the driving component comprises a motor, a metal transmission mechanism and a motor steering control module, a main control panel is fixed inside the inner box, the metal transmission mechanism is coated with a protective film, and the protective film is composed of, by weight, 0.9 part of benzotriazole, 21 parts of saturated polyester resin, 1-2 parts of dimethylethanolamine, 1.1 parts of rock wool, 2-3 parts of methyl trimethoxy silane, 1.2 parts of anhydrous calcium chloride, 1-2 parts of alkyl naphthalene sulfonate, and 2-3 parts of hydroxyethyl cellulose. The lock has unique mechanical design and electronic design. Due to the fact that the metal transmission mechanism is coated with the protective film, long-term use of the metal transmission mechanism can be guaranteed, and effective driving of the lock tongue can be guaranteed.

The invention provides a stepless speed regulation gearbox for a precision drill planter, wherein the stepless speed regulation gearbox comprises an upper shell, a lower shell, an output shaft and an input shaft, and further comprises a bent plate assembly, the bent plate assembly comprises a bent plate shaft and a bent plate, the bent plate assembly is arranged on the lower shell through the bent plate shaft, and the bent plate is provided with a bent plate groove; a bent plate limiting block is movably arranged on the lower shell and located on the side opposite to the bent plate groove; a cam is arranged on the input shaft; the roller assembly comprises a pair of positioning plates arranged in parallel, a one-way bearing and rollers, the rollers comprise a first roller and a second roller, the one-way bearing is arranged on the output shaft and connected with the pair of positioning plates through a one-way bearing seat, the first roller is arranged in the bent plate groove, and the second roller makes contact with the cam; a spring pull rod is arranged on a shaft sleeve of the lower shell and located between a reset spring positioning shaft and the bent plate assembly; and a reset spring is arranged between the reset spring positioning shaft and the spring pull rod. The structure is simple, the mechanical performance is stable, the size is light, and frequent disassembly for maintenance is avoided.

The present invention provides a method and device for determining the corresponding relationship of temperature sensors, and an air conditioner. The air conditioner includes a plurality of internal units, each of which includes a plurality of temperature sensors, and the plurality of temperature sensors are respectively arranged on the liquid pipe, the middle pipe and the gas pipe. A plurality of temperature sensors include a liquid pipe temperature sensor, a medium pipe temperature sensor, and an air pipe temperature sensor. The method is applied to an air conditioner, and the method includes controlling the air conditioner to operate in a cooling mode; The temperature collected by each temperature sensor; according to the temperature collected by the liquid pipe temperature sensor and gas pipe temperature sensor of the indoor unit, the ambient temperature of the indoor unit, the low pressure saturation temperature in the middle pipe, the opening degree of the expansion valve of the internal unit and the internal temperature of the air conditioner The temperature collected by the middle pipe temperature sensor of the machine and other internal machines is used to determine the temperature sensors corresponding to the liquid pipe, the gas pipe and the middle pipe respectively from a plurality of temperature sensors. The solution of the embodiment of the present application can determine the temperature sensors of the air conditioner corresponding to the liquid pipe, the air pipe, and the middle pipe respectively.

The invention discloses a waterproof and heat insulation type liquid crystal display panel of a motorcycle. The waterproof and heat insulation type liquid crystal display panel of the motorcycle comprises a panel body and an outer housing which are connected through a clamp; protecting films are coated on the outer surfaces of the panel body and the outer housing; the protecting films are prepared from the following components in parts by weight: 1 to 2 parts of petroleum sodium sulfonate, 6 to 7 parts of isocyanate ethyl methacrylate, 1 to 2 parts of ethanediol, 0.9 part of styrene-acrylic emulsion, 1.2 parts of magnesium carbonate, 0.2 part of slaked lime, 1 to 2 parts of polyalkoxylated carboxylate, 2 to 3 parts of hydroxy propyl methyl cellulose, and 1 to 2 parts of tert-Butylbenzoic acid. According to the waterproof and heat insulation type liquid crystal display pane of the motorcycle, the panel body and the outer housing are firmly connected; the outer housing and an inner housing perform double protection; waterproof and damp-proof sealants are arranged at a plurality of positions, and the protecting films are coated on the outer surfaces of the panel body and the outer housing, so that a liquid crystal display control circuit board can be resistant to water and damp for a long term.

An embodiment of the invention discloses testing equipment and method for testing a single board, and belongs to the technical field of testing. The testing equipment comprises a processor, a function test component and a hardware test component, wherein the function test component tests function test items of the single board to be tested and sends test results of the function test items to the processor; the hardware test component tests the voltage at the test point of the single board to be tested and sends the voltage at the test point to the processor; and the processor determines a fault circuit area according to a test result of the function test items and a pre-stored corresponding relation between the function test items and circuit areas, determines a fault test point according to the voltage at the test point and a pre-stored corresponding relation between the test point and a standard voltage, and determines a device position number corresponding to the fault test point according to a pre-stored corresponding relationship between the test point and the device position number. By adopting the testing equipment and method, the first pass yield of module production can be improved, the module production period can be shortened, and the module maintenance cost can be saved.

The invention discloses a novel motorcycle liquid crystal instrument. Sealing gum is arranged at a plurality of portions and comprises, by weight, 1 part to 2 parts of coumarone resin, 2 parts to 3 parts of zinc dialkyl dithiophosphate, 8 parts to 9 parts of xylene formaldehyde resin, 1 part to 2 parts of terpene resin, 2 parts to 3 parts of fumed silica, 1 part to 2 parts of homopolymer of 1,2-diydro-2,2,4-trimethylquinoline, 7 parts to 8 parts of dimer acid modified epoxy resin, 1 part to 2 parts of triethoxy ethyl silane and 2 parts to 3 parts of alcohol ethoxylate carboxylate. According to the novel motorcycle liquid crystal instrument, a panel and an outer shell are firmly connected, dual protection of the outer shell and an inner shell is achieved, the sealing gum is further arranged at the multiple portions, the long-time waterproof and moisture-proof effect on a liquid crystal display control circuit board is guaranteed, and the liquid crystal display control circuit board can effectively work for a long time. The sealing gum can be resistant to the high temperature of 71 DEG C and the low temperature of -22 DEG C.

The invention discloses an electronic lock for an electric vehicle. The electronic lock comprises an outer plastic box and an inner sealed plastic box. The outer box is internally provided with a metal spring bolt and a driving assembly, wherein the driving assembly comprises a motor and a metal transmission mechanism. The metal transmission mechanism is coated with a protection film which is composed, by weight, of 2-3 parts of methyl-1H-benzotriazole, 13 parts of stearoyl acrylic ester, 0.7 part of yttrium oxide, 1.4 parts of titanium dioxide, 1-2 parts of calcium naphthenate, 0.4 part of graphite powder, 1-2 parts of N-acyl amino acid salt and 2-3 parts of polyacrylic acid. The electronic lock for the electric vehicle has the unique mechanical design and electronic design, the metal transmission mechanism of the electronic lock is coated with the protection film, long-time use of the metal transmission mechanism can be ensured, and the spring bolt can be effectively driven.

The invention discloses a liquid crystal display device specially used for induction cookers. The liquid crystal display device comprises a rectangular aluminium alloy panel and an aluminium alloy outer shell, which are connected by buckles, wherein the outer surfaces of the aluminium alloy panel and the aluminium alloy outer shell are coated with protective films; the protective films comprise the following components in parts by weight: 1.7 parts of propylene glycol, 1-2 parts of barium petroleum sulfonate, 15 parts of high-chlorinated polyethylene resin, 0.8 part of talcum powder, 1-2 parts of n-dodecanol ester, 2-3 parts of styrene-acrylic emulsion, 1-2 parts of ethylene glycol monostearate and 1.1 parts of zinc stearate. The liquid crystal display device has the advantages and beneficial effects that the liquid crystal display device has unique display design, structural design and protective design; the outer surfaces of the panel and the outer shell are coated with the protective films, thus preventing the aluminium alloy panel and the aluminium alloy outer shell from being corroded and ensuring liquid crystal display control circuit boards not to be affected with damp and corroded for a long term.

The invention discloses a liquid crystal display device for a range hood. According to the liquid crystal display device, a sealant is arranged at multiple positions and consists of the following components in parts by weight: 0.2 part of quartz flour, 3-4 parts of gas phase silicon dioxide, 1-2 parts of tetrahydrofuran, 2-3 parts of diaryl secondary amine, 2-3 parts of gas phase white carbon black, 1-2 parts of 2,2,4-trimethyl-1,2-dihydroquinoline, 22 parts of dimer acid modified epoxy resin, 2-3 parts of glycerol monostearate and 1-2 parts of isopropanolamine. The liquid crystal display device for the range hood, disclosed by the invention, is unique in display design, structural design and protective design; and the sealant is arranged at multiple positions to ensure that a liquid crystal display control circuit board cannot be damped and corroded for a long time, and can work effectively for a long time. The sealant can resist a high temperature of 100 DEG C and a low temperature as low as -24 DEG C.

The invention discloses a liquid crystal instrument for an electric vehicle. Sealants are arranged at a plurality of positions for sealing. The sealant consists of the following components in parts by weight: 3-4 parts of bisphenol-F diglycidyl ether, 1-2 parts of ceramic ultrafine powder, 4-5 parts of polyether millable polyurethane, 3-4 parts of bamboo charcoal fiber, 2-3 parts of fumed silica, 1-2 parts of anti-aging agent TMQ, 3-4 parts of methyltrimethoxysilane, 23 parts of dimer acid modified epoxy resin and 1-2 parts of lignosulfonate. By adopting the liquid crystal instrument for the electric vehicle disclosed by the invention, long-term waterproofness and damp protection of a liquid crystal display control circuit board are ensured, the liquid crystal display control circuit board can work effectively for a long time, and repair and detachment of the whole liquid crystal instrument for the electric vehicle due to dampening of the liquid crystal display control circuit board are avoided. The sealant can withstand high temperature up to 70 DEG C, and can withstand low temperature up to 20 DEG C below zero.

The invention discloses a novel liquid crystal display device capable of displaying timing clock and used for an induction cooker. The novel liquid crystal display device comprises a rectangular aluminum alloy panel and an aluminum alloy outer shell which are in buckle connection with each other, wherein protecting films are coated on the outer surfaces of the aluminum alloy panel and the aluminum alloy outer shell, and the protecting films comprise the following components by weight part: 1.2 parts of propylene glycol butyl ether, 1-2 parts of benzotriazole, 17 parts of high-chlorinated polyethylene resins, 0.6 parts of dibutyltin dilaurate, 2-3 parts of polyether modified siloxane, 1.3 parts of dimethyl diallyl ammonium chloride, 1-2 parts of tetramethyl ammonium bromide and 0.8 parts of maleic anhydride modified polyethylene. The novel liquid crystal display device provided by the invention has unique display design, structure design and protecting design; the protecting films are coated on the outer surfaces of the panel and the outer shell, so that the aluminum alloy panel and the aluminum alloy outer shell are prevented from being corroded, and a liquid crystal display control circuit board is prevented from being damped and corroded for a long term.

The invention discloses an electronic lock for an electric vehicle. The electronic lock comprises an outer plastic box and an inner sealed plastic box. The outer box is internally provided with a metal spring bolt and a driving assembly, wherein the driving assembly comprises a motor and a metal transmission mechanism. The metal transmission mechanism is coated with a protection film which is composed, by weight, of 2-3 parts of methyl-1H-benzotriazole, 13 parts of stearoyl acrylic ester, 0.7 part of yttrium oxide, 1.4 parts of titanium dioxide, 1-2 parts of calcium naphthenate, 0.4 part of graphite powder, 1-2 parts of N-acyl amino acid salt and 2-3 parts of polyacrylic acid. The electronic lock for the electric vehicle has the unique mechanical design and electronic design, the metal transmission mechanism of the electronic lock is coated with the protection film, long-time use of the metal transmission mechanism can be ensured, and the spring bolt can be effectively driven.

Disclosed in the invention is a novel waterproof thermal-insulation liquid crystal instrument of an electric car. The liquid crystal instrument comprises a panel and an outer shell, wherein the panel and the outer shell are connected by a buckle. Besides, the outer surfaces of the panel and the outer shell are coated with protection membranes; and the protection membrane comprises the following components, by weight: 1.3 parts of heptadecenyl imidazoline alkenyl succinate, 7 to 8 parts of epoxy acrylic resins, 0.7 parts of acetylacetone selenium, 0.4 parts of zinc chloride, 1.1 parts of ultrafine aluminium silicate, 0.7 parts of mica powders, 1 to 2 parts of sodium oleoyl amino fatty acid, 2 to 3 parts of polypropylene glycol, and 1 to 2 parts of triazine polycarboxylic acid compound. According to the novel waterproof thermal-insulation liquid crystal instrument, the panel and the outer shell are connected firmly and the dual protection of the outer shell and the inner shell is realized; and waterproof and moisture-proof sealants are arranged at multiple places and the outer surfaces of the panel and the outer shell are coated with protection membranes, so that the long-term waterproof and moisture-proof effect of the liquid crystal display control circuit board can be guaranteed.

The invention discloses a novel LCD panel for an electric vehicle. The novel LCD panel for the electric vehicle is that sealants are arranged at a plurality of positions; a part in which a panel body is combined with an outer housing body are sealed through the sealants; the sealants are prepared from the following components in parts by weight: 2 to 3 parts of fumed silica, 1 to 2 parts of manganese powder, 13 parts of polyurethane-modified epoxy resin, 2 to 3 parts of 1, 1- di(tert-butylperoxy)-3, 3, 5-trimethyl-cyclohexane, 12 parts of polysulfide rubber, 2 to 3 parts of fumed white carbon black, 1 to 2 parts of 2, 2, 4-trimethyl-1, 2-dihydroquinoline, 3 to 4 parts of methyl triethoxysilane, and 1 to 2 parts of sodium lauroyl aminoethyl. According to the novel LCD panel for the electric vehicle, the panel body and the outer housing body are firmly connected; the double protection is performed through the outer housing body and an inner housing body; the sealants are arranged at the plurality of positions, so that a LCD control circuit board can be prevented from water and damp for a long term; the sealants are resistant to high temperature up to 73 DEG C and low temperature up to 21 DEG C below zero.

The invention discloses a novel electronic lock for an electric bicycle. The lock comprises a hard plastic outer box and an airtight hard plastic inner box, wherein a metal lock tongue, a sliding way and a driving component are arranged in the outer wall, the driving component comprises a motor, a metal transmission mechanism and a motor steering control module, a main control panel is fixed inside the inner box, the metal transmission mechanism is coated with a protective film, and the protective film is composed of, by weight, 0.9 part of benzotriazole, 21 parts of saturated polyester resin, 1-2 parts of dimethylethanolamine, 1.1 parts of rock wool, 2-3 parts of methyl trimethoxy silane, 1.2 parts of anhydrous calcium chloride, 1-2 parts of alkyl naphthalene sulfonate, and 2-3 parts of hydroxyethyl cellulose. The lock has unique mechanical design and electronic design. Due to the fact that the metal transmission mechanism is coated with the protective film, long-term use of the metal transmission mechanism can be guaranteed, and effective driving of the lock tongue can be guaranteed.

The invention relates to the UV glue curing field, and particularly relates to an UV glue curing device adopting a deep ultraviolet UV lamp. The bottom part of the UV lamp is equipped with a deep ultraviolet LED bulb, and the top part surface is bonded with a semiconductor radiating piece; the outer part of the semiconductor radiating piece is provided with a heat conducting cover, and the UV lampis buckled between a first buckle block and a second buckle block, and sleeved in a supporting slot of a supporting block; the side face at the front part of the supporting slot is bonded with a first rubber plate, the first buckle block extrudes the first rubber plate, and the side face of the second buckle plate is bonded with a second rubber plate; a fastening bolt is arranged on the supporting block, and the tail end thereof extrudes the second rubber plate; an anti-loosening buckle is arranged on the fastening bolt, and the inner part of the fastening bolt is provided with a groove; sidefaces of the groove and the fastening bolt are provided with communicated cylinder slots, the top part of the anti-loosening buckle is in the shape of a hemisphere, the middle part of the anti-loosening buckle is in the shape of a cylinder, the bottom part of the anti-loosening buckle is a circular plate, the anti-loosening buckle is inserted in the cylinder slots, and the circular plate is arranged in the groove; the bottom part of the anti-loosening buckle is fixedly connected with a spring, and the spring is fixedly connected with the bottom face of the groove.

The invention discloses a liquid crystal display device used for an induction cooker and capable of displaying a timing clock. A sealant is arranged at multiple sites, and the sealant comprises the following components in parts by weight: 1-2 parts of N,N'-phenyl-p-phenylenediamine, 0.9 part of di-tert-butyl peroxide, 8-9 parts of ditolualdehyde resin, 11 parts of aluminum hydroxide, 0.3 part of fumed silica, 1-2 parts of 2,2,4-trimethyl-1,2-dihydroquinoline homopolymer, 5-6 parts of CTBN modified epoxy resin, 1-2 parts of paraffin oil, and 1-2 parts of sodium hexametaphosphate. The invention provides a liquid crystal display device used for an induction cooker and capable of displaying a timing clock, which has unique display design, structure design and protection design; and because the sealant is arranged at multiple sites, a liquid crystal display control circuit board is ensured to not be damped and corroded for a long time; and the sealant can withstand a high temperature of 113 DEG C, and can withstand a low temperature of minus 16 DEG C.

The invention discloses a liquid crystal display device with a displaying timing clock for an electromagnetic oven. A sealant is applied to multiple parts of the liquid crystal display device, and the sealant is prepared from the following components in parts by weight: 0.6 part of fumed silica, 1-2 parts of tert-butyl perbenzoate, 1.1 parts of nano calcium carbonate powder, 5-6 parts of dimer acid modified epoxy resin, 1-2 parts of palygorskite, 0.7 part of fumed silica, 1-2 parts of pentaerythrite tetra [beta-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate], 1-2 parts of iso-decanol polyoxyethylene ether and 2-3 parts of triethanolamine. The liquid crystal display device disclosed by the invention is unique in display design, structural design and protective design. The sealant in multiple parts of the liquid crystal display device can protect a liquid crystal display control circuit board against damp and corrosion for a long time. The sealant can resist the high temperature of 108 DEG C and the low temperature of 18 DEG C below zero.

The invention discloses a liquid crystal display device for a range hood. A sealant is arranged at multiple parts, and consists of the following components in parts by weight: 1-2 parts of bauxite, 0.8 part of bis(P,P-bis-ethylhexyl diphosphato) ethanediolato titanate, 1-2 parts of chitin, 1.4 parts of white carbon black, 1-2 parts of bisphenol F diglycidyl ether, 0.7 part of 2,2,4-trimethyl-1,2-dihydroquinoline, 1-2 parts of kerosene, 2-3 parts of iso-tridecanol polyoxyethylene ether and 18 parts of CTBN modified epoxy resin. The liquid crystal display device for the range hood has unique display design, structure design and protective design; the sealant is also arranged at multiple parts so as to guarantee that the liquid crystal display circuit board is not affected with damp and corrosion for a long time, so that the liquid crystal display control circuit board can be operated effectively for a long time; the sealant can resist high temperature of 116 DEG C and low temperature below -19 DEG C.