48results about How to "Guaranteed dustproof" patented technology

The invention relates to a method used for digital bus information releasing and group control and a device thereof. The technical measure comprises the following steps: a vehicle terminal system, an electronic station board system and a vehicle technical information management centre are arranged, the electronic station board system is the vehicle technical information management centre are connected into a bi-directional communication network by line link, the vehicle terminal system transmits the vehicle information to the electronic station board system in a wireless communication, the electronic station board system reports the information to the vehicle technical information management centre, the bus coming to station at each station can be found out by inquiring a database, the station arriving time of the bus is calculated according to experimental data including average running speed, average running time between the stations and the like, finally, the arriving time is fed back to the electronic station board system, and the arriving time is displayed to the waiting passengers in a digital way. The method can effectively solve the problems of bus reduction in city and dispatching, information releasing, passenger facilitation, intelligent management control and the like. Therefore, the method realizes intelligent bus dispatching.

The present invention discloses a fire-proof face shield with infrared imaging system. It is formed from two portions of infrared imaging system and fire-proof face shield. Said infrared imaging system is formed from infrared camera consisting of infrared lens and non-refrigerating infrared focal plane array, circuit board, power supply, display screen and magnifying eyepiece. The infrared imaging system and fire-proof face shield are tightly connected and formed into one whole body, so that it has the water-proof, fire-proof, dust-proof and vibration-resisting effects.

The invention relates to an industrial cutting apparatus, particularly a cutting torch lifting apparatus for a numerical control plasma cutting machine used for cutting medium-thickness metal sheets. The invention aims to provide a cutting torch elevator for a plasma cutting machine, wherein the cutting torch elevator has the advantages of simple structure and high operational safety and has the function of dust prevention. The cutting torch elevator is provided with a screw rod, an elevating seat and a protection plate, wherein the screw rod is installed on a frame and driven by a motor; the elevating seat is matched with the screw rod; a cutting torch device is connected to the elevating seat; the frame is provided with a guide rail which is used for guiding the elevating seat to rise or fall; the elevating seat comprises a rotation pair, a slide block, a slide block connecting plate and a cutting torch seat; the rotation pair is matched with the screw rod in a rotating mode; the slide block is fixedly connected with the rotation pair; the slide block connecting plate is fixedly connected with the slide block; the cutting torch seat is fixedly connected with the slide block connecting plate; the slide block is provided with a notch which is matched with the guide rail on the frame; the cutting torch seat is connected with the cutting torch device; and the protection plate is arranged between the slide block connecting plate and the cutting torch seat and connected with the frame.

The invention discloses an ammeter box with waterproof and dustproof functions. The ammeter box is simple in structure and convenient to use. A filtering net is set to affectively prevent dust and flies entering the ammeter box, so that unnecessary loss caused to electrical equipment in the ammeter box is avoided; a drying agent is arranged, so that the inner part is kept dry; multiple structures are arranged, so that water and dust are effectively prevented, and the safety and the effective heat dissipation of electrical elements in the ammeter box are ensured; sealing strips in the ammeter box are relatively low in hardness, so that the installation convenience, the damping effect and the sealing effect are improved; arc-shaped strips are further formed at the inner side of the bottom part of a sealing body, the sealing performance is improved, the waterproof and dustproof effects are ensured, and the appearance is beautiful; a waterproof film of the ammeter box is nontoxic, pollution-free long in service lifetime and especially continuous in antibiosis capability, so that the growth of bacteria and fungi is inhibited, the environment health is ensured, and the super-high waterproof performance is provided.

The invention discloses a projector type automatic dustproof system. The system comprises a projector front cover, a lens cover and a stepper motor. The inner side of the projector front cover is equipped with a lens hole in a position relative to a projector upper lens. Parallel guide rails opposite to each other are disposed on two sides of the lens hole. The lens cover includes a plate body. The plate body is provided with parallel end edges. The plate body is connected to the guide rails through the end edges. The end edge of one side of the plate body is equipped with a tooth structure that protrudes from the plate body. The tooth structure is connected with the stepper motor. The lens cover and an air outlet baffle plate are driven through the miniature stepper motor and transmission of a rack and pinion, therefore, when a machine is working, the lens cover and an air outlet channel are opened automatically, and when the machine is shut down, the lens cover and an air outlet channel are closed automatically. In this way, the machine can be enclosed and have a dustproof function, the service life of the machine can be prolonged, and the maintenance cost of the machine can be reduced.

An underground fuel gas pressure adjusting device comprises a blow-down pipe, an upper box, a lower box and a pressure adjusting core, wherein the upper box, the lower box and the pressure adjusting core are arranged under the ground. A plurality of interfaces are welded to the blow-down pipe. The upper box and the lower box are assembled into one. A diffuse interface and a check valve interface are welded around the upper box and connected with an interface in a diffuse pipe through a metal hose. The lower box comprises an inlet valve, an inlet pipe, an outlet pipe, an outlet valve, a pressure adjusting device, a filtration cutting-off device, a differential gauge, an inlet blow-down valve, an outlet blow-down valve, an inlet pressure gauge and an outlet pressure gauge. The inlet valve isconnected with one end of the inlet pipe, the other end of the inlet pipe is welded to the lower box, the outlet valve is connected with one end of the outlet pipe, the other end of the outlet pipe is welded to the lower box, and the pressure adjusting device and the filtration cutting-off device are correspondingly and independently installed in the lower box. The underground fuel gas pressure adjusting device is compact in structure and safe and reliable in using, and fuel gas pressure adjusting and stabilizing, parameter display and overpressure diffuse cutting-off can be achieved.

The invention discloses a handle of an oil-immersed fuse. The handle has the functions of moving timely and triggering a signal output device when the fuse moves. The handle comprises a handle body, a sealing cover, a pull rod and a linkage mechanism, wherein the handle body, the sealing cover, the pull rod and the linkage mechanism are sequentially connected. The pull rod comprises a large cylindrical head and a large connecting rod, the linkage mechanism comprises a small connecting rod, a front limiting screw and a rear limiting screw, the front end and the rear end of the small connecting rod are respectively provided with a flange on the radial side, the thickness of each flange is smaller than the width of a groove in the large connecting rod, the two flanges are respectively and axially provided with a thread through hole, the small connecting rod is arranged parallel with the large connecting rod in an axial moving mode, the screw head of the front limiting screw is located in a front inner hole of the large cylindrical head, the rod portion of the front limiting screw is inserted in a rear inner hole of the large cylindrical head in a movable mode and is in threaded connection with the thread through hole of the flange at the front end of the small connecting rod, the screw head of the rear limiting screw is located in a middle inner hole in handle body and in a middle inner hole of the sealing cover, and the rod portion of the rear limiting screw is inserted into a front inner hole of the handle and in a front inner hole of the sealing cover in a movable mode and is in threaded connection with the thread through hole of the flange at the rear end of the small connecting rod.

The invention discloses a novel single-row linear filling and sealing machine. The novel single-row linear filling and sealing machine comprises a rack, an electric box arranged in the rack, a transmission mechanism arranged on the rack, and a cup falling device, a cup detection sensor, a foreign matter detection sensor, a feeding device, a powder pressing and sucking device, a film sucking device, a sheet film detection sensor, a heat sealing device, a lug folding device, a cover buckling device, a discharged cup weighing device and a discharged cup conveying device which are arranged on the rack in sequence in the transmission direction of the transmission mechanism. By means of the mode, the novel single-row linear filling and sealing machine is compact in structure, stable in operation, complete in function, small in occupied area, free of repeated positioning, low in manufacturing cost, short in period, high in efficiency, high in adaptability and capable of meeting the flexible production requirement, and cup falling, detecting, feeding, powder pressing and sucking, heat sealing, cover buckling, weighing and cup discharging are integrated.

The invention discloses a box-type transformer substation, comprising a high-pressure chamber, a low-pressure chamber and a transformer chamber. The box-type transformer substation is characterized inthat the high-pressure chamber, the low-pressure chamber and the transformer chamber are arranged in a tripod shape in the box-type transformer substation, the high-pressure chamber and the low-pressure chamber are enclosed structure, the transformer chamber is half-enclosed corridor-type structure, and the side faces of the high-pressure chamber and the low-pressure chamber are provided with ventilation and heat dispersion holes. In the box-type transformer substation with the structure, a transformer is placed in the half-enclosed transformer chamber and exposed in air under the condition of ensuring damp-proof, rustproof, dustproof, rat proof, fireproof and heat insulation, which is favorable for better heat dispersion of the transformer and steady operation of the transformer and high-and-low voltage devices; simultaneously, the shell separation of the transformer and the high-and-low voltage devices is convenient for maintenance, examination and repair, ensures the separation ofthe transformer and high voltage components and can avoid pollution in the oil box of the transformer. The heat dispersion holes arranged on the side faces of the high-pressure chamber and the low-pressure chamber are favorable for ventilation and internal temperature reduction.

The invention provides a fire extinguishing plug for cable trench internal fire early warning and automatic alarm. The fire extinguishing plug is characterized by comprising a data display and acquisition module, an alarm module, a sensor group, an aerosol fire extinguishing module, a communication module and a fire extinguishing plug body. The extinguishing plug body provided by the invention hasthe functions of rain prevention, dust prevention and lightning protection. The upper part of the fire extinguishing plug body are provided with display and alarm devices, and a side face of the fireextinguishing plug is provided with a maintenance door to facilitate the maintenance and repair of the fire extinguishing plug. The front side of the fire extinguishing plug is provided with a switchbutton for controlling the display parameters of the display device to be switched between gas concentration and temperature, a seam of the maintenance door is subjected to special processing so as to ensure the waterproof and dustproof performance of the seam. With the consideration of high temperature in summer and low temperature in winter, different alarm and fire extinguishing data combinations are set for the temperature and mixed gas concentration, and false alarm and missed alarm are effectively avoided. Through setting the system power supply, the high reliability and high stabilityof a power supply system of the fire extinguishing plug are ensured.

The invention discloses a dust-proof LCD display screen damping device. The device comprises a base, bolts, a motor and nuts. The exterior of the base is provided with power buttons, and a rotating disc is fixed to the upper ends of the power buttons; a dust suction box is installed at the upper end of the rotating disc, the bolts are disposed at the lower end of the dust suction box and penetratethrough a function box, and the dust suction box is installed at the bottom of the function box; damping springs are connected to the upper end of the dust suction box, and a metal frame is mounted at the upper ends of the damper springs; an air box is arranged in the metal frame, and an LCD display screen is fixedly arranged in the air box; the left side of the motor is connected with a fan, a VGA interface is installed at the lower right end of the metal frame, a power interface is fixed to the lower end of the VGA interface, and the nuts are mounted at the upper ends of the bolts. The dust-proof LCD display screen damping device is provided with the rotating disc so that a user can conveniently rotate a screen according to his / her own visual effect when moving or rotating the display screen to achieve the best viewing effect.

The invention discloses a computer network data platform control device. The device comprises a control operation table, a dustproof heat dissipation structure is arranged on the outer surface of therear end of the control operation table, a connection data line limiting anti-falling structure is arranged on the outer surface of one side of the control operation table, a control table box is fixedly installed on the outer surface of the upper end of the control operation table, and a storage and placement structure is arranged on the outer surface of the front end of the control table box. According to the invention, a storage and placement structure is adopted; people can conveniently store pens and record books; people can conveniently take pens at any time; the pen is prevented from falling, breaking and losing and people can use the device conveniently; and through the connection data line limiting anti-falling structure, people can conveniently limit the position of the data line, the data line is prevented from falling on the ground and being damaged by treading, and the use of people is facilitated; through a dustproof heat dissipation structure, dust can be effectively prevented from entering the control host, and the heat dissipation and performance of the control host are ensured.

The invention relates to a dustproof cooling box used for a case, and can solve the problem of poor cooling and dustproof effects of an existing case. A ventilation plate is mounted on a bottom plate; first through holes are formed in the ventilation plate; second through holes are formed in the left sides of the first through holes; the diameter of each first through hole is greater than that of each second through hole; baffles are arranged at the right end openings of the first through holes; ventilation holes are formed in the baffles; push rods are inserted in the baffles; seal blocks are arranged at the left ends of the push rods; the length of each seal block is greater than that of each second through hole; the push rods are sleeved with springs arranged between the seal blocks and the baffles; a fixing plate is arranged on the left side surface of the ventilation plate; first sponge is arranged on the left side of the fixing plate; second sponge is arranged on the left side of the first sponge; a filtering cavity is formed between the first sponge and the second sponge; an airflow channel is formed in the first sponge; through holes are formed in the fixing plate; ventilation push rods are mounted on the through holes and correspond to the second through holes; and the right ends of the ventilation push rods extend out of the fixing plate. The cooling box is novel and unique in structure; and flowing cooling wind is formed in the case, so that the cooling problem of the case is well solved.

The invention provides an outgoing line protection structure, which comprises an outgoing line rubber gasket and an outgoing line pressing cover, wherein a line pillow is arranged on the outgoing line rubber gasket, the line pillow protrudes out of the surface of the outgoing line rubber gasket, and an installing groove is formed in the line pillow; a line leading hole is formed in the outgoing line rubber gasket, an outgoing line is threaded in the line leading hole and installed in the installing groove of the line pillow; a line pressing part is arranged on the outgoing line pressing cover, the line pressing part is arranged in a protruding manner, a groove is formed in the line pressing part, and the groove of the line pressing part is matched with the line pillow; and the outgoing line pressing cover is installed on the outgoing line rubber gasket, and the line pressing part presses the outgoing line in the installing groove of the line pillow. According to the outgoing line protection structure, the outgoing line is pressed in the installing groove of the line pillow by the line pressing part, so that the outgoing line is reliably led out, the protection effect is ensured, and the reliability is enhanced; further, the structure is simple, the assembly is convenient, and the production efficiency is increased. The invention further provides a motor comprising the outgoing line protection structure.

An electric hand-held power tool has a machine housing, an energy accumulator module detachably connected therewith and slidable into and out of a guide formed on the machine housing, and a locking device acting between a machine housing and an energy accumulator module and including locking elements, which are located on the machine housing and the energy accumulator module and are engaged with each other in a locked position and may be disengaged manually. To prevent the locking device from becoming released when one of the locking elements designed as a release button is accidentally actuated, the locking device includes a blocking element active in the locked position of the locking elements and blocking manual actuation, wherein the blocking element can be deactivated by manually sliding energy accumulator module in the guide against a return force.

Novel dust-proof clothing comprises an upper garment, shoe covers and trousers which are all made of dust-proof anti-static materials. Trouser leg fixing devices are arranged at the shank positions at the bottoms of the trousers, each shoe cover comprises a sole and an upper, a heel stop board is arranged at the heel position of each sole, the uppers extend to the shank positions all the way from the soles, upper fixing devices matched with the trouser leg fixing devices are arranged on two sides of the uppers, a zipper longitudinally penetrating through each upper is arranged in the middle of each upper, and a plurality of buckle straps capable of fixing a shoe body are arranged on two sides of each sole. The novel dust-proof clothing has the advantages that the technical problem that traditional dust-proof clothing is insufficient in foot protection is solved, the novel dust-proof clothing is more comprehensive in protection and more convenient to use by combining the shoe covers with the traditional dust-proof clothing, and effective protection of feet, convenience in wearing and cleaning and reusability can be achieved by the aid of the shoe covers made of the dust-proof anti-static materials.

The embodiment of the invention provides an LED light-emitting photovoltaic assembly. The LED light-emitting photovoltaic assembly comprises a front plate, a rear plate arranged opposite to the platesurface of the front plate, a solar cell panel, a display system and an energy storage element. The solar cell panel is arranged between the front plate and the rear plate; the display system comprises at least two protection lamp strips; the protection lamp strips are arranged on the two opposite outer end surfaces of the front plate or the rear plate so as to project complete contents; the energy storage element is arranged on the outer end surface of the solar cell panel; the energy storage element is electrically connected with the solar cell panel and the protection lamp strips so as to store the electrical energy produced by the solar cell panel and used for supplying electricity for the display system. The LED light-emitting photovoltaic assembly is an integrated assembly and is convenient and quick to mount in the field; sealing glue is applied among integrated assemblies so as to ensure that the integrated assemblies are dust-proof and water-proof; moreover, the protection lamp strips are placed in open environment and can radiate naturally without arranging a cooling system independently, so that the cost is low.

The invention discloses a high-protection type LED fluorescent lamp. The high-protection type LED fluorescent lamp comprises an LED tube consisting of an aluminum alloy bracket and a transmitting cover, wherein lamp caps are respectively connected to the two ends of the LED tube, and are connected with the LED tube through screws; laps of silica gel sealing rings are arranged in the connected places of the lamp caps and the LED tube; the screw connecting places are coated with sealing washers; and a silica gel buffer bar is arranged between the transmitting cover and the aluminum alloy bracket. The main structure consists of aluminum alloys and PC popular at present to achieve the effects of good radiation and no break. The high-temperature resistant and flame retardant PBT lamp caps are arranged, and the silica gel waterproof rings are precisely designed and produced to achieve the IP65 protection grade under the precondition of excellent radiation.

The invention discloses a projector type automatic dustproof system. The system comprises a projector front cover, a lens cover and a stepper motor. The inner side of the projector front cover is equipped with a lens hole in a position relative to a projector upper lens. Parallel guide rails opposite to each other are disposed on two sides of the lens hole. The lens cover includes a plate body. The plate body is provided with parallel end edges. The plate body is connected to the guide rails through the end edges. The end edge of one side of the plate body is equipped with a tooth structure that protrudes from the plate body. The tooth structure is connected with the stepper motor. The lens cover and an air outlet baffle plate are driven through the miniature stepper motor and transmission of a rack and pinion, therefore, when a machine is working, the lens cover and an air outlet channel are opened automatically, and when the machine is shut down, the lens cover and an air outlet channel are closed automatically. In this way, the machine can be enclosed and have a dustproof function, the service life of the machine can be prolonged, and the maintenance cost of the machine can be reduced.

The invention relates to novel liquid crystal display equipment with a self-protection function. The novel liquid crystal display equipment comprises a liquid crystal display screen and a dust preventing mechanism. The dust preventing mechanism comprises two dust preventing components. Each dust preventing component comprises a rotary shaft, dust preventing cloth and an extension spring, wherein the extension spring is located in the rotary shaft, one end of the dust preventing cloth is fixed in the rotary shaft through the extension spring, and the dust preventing cloth winds the outer periphery of the rotary shaft. The novel liquid crystal display equipment has the advantages that the two dust preventing cloth is tensioned by the extension springs, and dust preventing of the liquid crystal display screen is guaranteed; a fixing block is fixed in position by the aid of a limit component, fixing reliability is guaranteed, and equipment reliability is further increased; in addition, the type of each of a first operational amplifier, a second operational amplifier and a third operational amplifier in a temperature detecting circuit is LMV324, low temperature drift coefficient is achieved, and accordingly circuit signal detection reliability is increased, and equipment reliability is increased.

The invention discloses an LED searchlight. The LED searchlight comprises a shell in a rectangular shape, the interior of the shell is provided with a power supply unit and an installing cavity, an LED light source is arranged in the installing cavity in a screwed mode, the front end of the shell is provided with an upper cover frame, a layer of tempered glass is installed on the upper cover frame, the tempered glass is in a convex lens shape, the two side faces of the shell are fixedly provided with a rotatable handle through fastening bolts, the handle is in a U shape and is movably connected to the two side faces of the shell, and the lower haft portion of the lower surface of the shell is provided with long-strip-shaped ventilation and heat dissipation holes. According to the LED searchlight, the lower haft portion of the lower surface of the shell is provided with the long-strip-shaped ventilation and heat dissipation holes, and therefore the ventilation and heat dissipation of the LED light source can be guaranteed; a layer of the tempered glass in the convex lens shape is installed on the upper cover frame, therefore, focusing is achieved and the light loss is reduced while seal and dust prevention are guaranteed; meanwhile, the rotatable handle is arranged so that hand hold or steady placement can be achieved. The LED searchlight is convenient to use and has good application prospect.

The invention discloses an air conditioner and blower fan assembly bearing cap waterproof sealing structure thereof, for solving the problem of water penetration in a bearing chamber. By using the air conditioner and the blower fan assembly bearing cap waterproof sealing structure thereof, even if water is accumulated at a bearing cap, under the sealing effect of a double-layer O-shaped ring, the waterproof effect is exhibited, it is ensured that the inside of the bearing chamber is dry and dustproof, bearings can be prevented from being rusted, the reliability of the bearings is improved, and the operation safety and reliability of a modular dynamo-electric machine are improved; besides, clamps are arranged at the inner layer of the bearing cap, clamping grooves are arranged at the inner circular surface of a motor end cap, and when the bearing cap is forcefully pressed downwards, the clamps and the clamping grooves closely cooperate with each other, and thus a conventional screw screwing mode is replaced; and such a design of the bearing cap and the clamps replaces a bolt pretightening design, arrangement of a tightening moment is unnecessary, boring and tapping at the end cap are unnecessary, anti-loosening measures are reduced, the assembling is simpler and more reliable, and the man hours are greatly reduced.

The invention relates to an electric mast for an agricultural laser grader, which is composed of a mast fixing device, a mast bottom plate, a driving device, a telescoping device, an anti-rotation device, a protection device, a supporting device and a limit device. The mast fixing device is installed on the mast bottom plate, the driving device is installed on the upper end inside the mast fixing device, the telescopic device is installed on the upper end of the driving device, the anti-rotation device is located on both sides of the telescopic device, the lower end is fixed on the plane outside the bearing installation sleeve, the upper end It is connected with an anti-rotation connecting plate, the protective device is installed on the outside of the anti-rotation device, the lower end is fixed on the mast fixing device, the upper end is connected with the telescopic rod support sleeve and the support sleeve cover, the support device is installed on the outer side of the protective device, and the lower end is fixed on the On the bottom plate of the mast, the upper end is supported on the outside of the protective tube. The limit device includes an upper limit device, a lower limit device, and a magnet. Cover the end face.

The invention relates to a laser source junction box of a bullet train set operation fault dynamic image detection system. An upper cover plate of the laser source junction box of the train-set operation fault dynamic image detection system is of a double-layer structure, heat insulation cotton is arranged on the inner sides of the upper cover plate and side plates, and dustproof nets are arranged on a front panel and a rear panel; a laser source module and a switch power module are both provided with foot pads, the junction box is internally provided with an LED lamp belt, and the front end and the rear end of the junction box are both provided with fans. In harsh environments, it is ensured that thermal insulation, waterproof, dustproof, shockproof and shock absorption functions of the laser source junction box are achieved, lighting is achieved through the LED lamp belt, the box is good in insulation and waterproof function, safe to use, long in service life and good in light source brightness and stability, the installation efficiency and repair efficiency of operating personnel are improved, and it is ensured that the temperature of the box body is in an allowable range so that the laser module can stably work for a long time.

The invention relates to a dustproof cooling box used for a case, and can solve the problem of poor cooling and dustproof effects of an existing case. A ventilation plate is mounted on a bottom plate; first through holes are formed in the ventilation plate; second through holes are formed in the left sides of the first through holes; the diameter of each first through hole is greater than that of each second through hole; baffles are arranged at the right end openings of the first through holes; ventilation holes are formed in the baffles; push rods are inserted in the baffles; seal blocks are arranged at the left ends of the push rods; the length of each seal block is greater than that of each second through hole; the push rods are sleeved with springs arranged between the seal blocks and the baffles; a fixing plate is arranged on the left side surface of the ventilation plate; first sponge is arranged on the left side of the fixing plate; second sponge is arranged on the left side of the first sponge; a filtering cavity is formed between the first sponge and the second sponge; an airflow channel is formed in the first sponge; through holes are formed in the fixing plate; ventilation push rods are mounted on the through holes and correspond to the second through holes; and the right ends of the ventilation push rods extend out of the fixing plate. The cooling box is novel and unique in structure; and flowing cooling wind is formed in the case, so that the cooling problem of the case is well solved.

The invention discloses an electric dust-proof cloth, and belongs to the field of automobile accessories. The electric dust-proof cloth is composed of a switch, a dust-proof cloth body, an ejection device, a controller and a motor. The switch is located on a control panel of an automobile, the dust-proof cloth body is located in the ejection device, and the dust-proof cloth body is provided with gravity blocks, elastic soft wires, an opening tightening rope and folded layered soft wires. The ejection device is installed at the top end of the automobile and controlled by the controller, and theejection device is internally provided with storers, springs, clamping grooves and stretching retracting devices. The controller is fixed to the ejection device and controlled by the switch, and themotor is located in the ejection device. According to the electric dust-proof cloth, the device of the intelligent switch is utilized, it is ensured that the automobile is dustproof and debris-proof when stopped, and it is ensured that the surface of the automobile is smooth and clean, so that the number of automobile cleanings is reduced.