58results about How to "Play the role of dust protection" patented technology

The invention relates to a microphone dustproof structure, comprising a microphone body and a circuit board. The microphone body is arranged in a microphone sound inlet channel, is fixed on the circuit board, and is provided with a sound inlet and a dustproof device covering the sound inlet. After the microphone dustproof structure disclosed by the invention is adhered on the surface in an assembling process, the dustproof screen is immediately adhered on the sound inlet of the microphone body, thus the risk of pollution by dust impurity can be avoided in the processes of assembling a machine and conveying the machine, the damage on a vibration film due to the dust in a communication terminal machine can be avoided, and the protection on the microphone is more direct and complete; simultaneously, the microphone dustproof structure has a dustproof function when being used by a user, the risk of microphone disability is reduced to the maximum extent, and the communication quality and the microphone reliability are improved.

The invention discloses a stethoscope for vasculocardiology department. The stethoscope comprises a sound guide tube, an auscultation tube, a heating wire, an auscultation head and a pickup. The end head of the sound guide tube is connected with earplugs, a fixed block is fixed to the end head of a sleeve block, a fixed tube is fixed to the inner side of the sound guide tube, a connecting rod penetrates through the end head of the fixed tube, the auscultation tube is fixedly connected to the bottom of the sound guide tube, a protective box is connected to the auscultation tube through a clampblock, a storage cavity is reserved inside the protective box, a cleaning block is pasted on one side of the inner wall of the storage cavity, and the auscultation head is fixedly connected to the endhead of the auscultation tube. According to the stethoscope for vasculocardiology department, the distance between the earplugs can be adjusted according to different users, the auscultation head canbe heated to prevent a patient from feeling discomfort, meanwhile, after the auscultation head is in contact with the skin of the patient, a medical staff does not need to keep hands lifted, and therefore the stability and efficiency of auscultation can be improved.

The invention discloses a spice sterilizing device based on a low-temperature plasma, and belongs to the technical field of food auxiliary material processing equipment. The technical scheme lies in that the spice sterilizing device based on the low-temperature plasma comprises an outer bracket, a material placing cabin arranged on the outer bracket, a material placing cabin door which is arrangedon the material placing cabin and is used for opening and closing the material placing cabin, a stirring component for stirring materials in the material placing cabin, an exhaust pipe which mutuallycommunicates with the material placing cabin, a low-temperature plasma component of which the effluence end is located in the material placing cabin, a discharging component for discharging the materials in the material placing cabin and a control unit. The spice sterilizing device disclosed by the invention has the beneficial effects that through the adoption of the spice sterilizing device based on the low-temperature plasma provided by the invention, promoting the spice product quality is facilitated; and the spice sterilizing device based on the low-temperature plasma is good in sterilizing effects, short in cycle, easy to operate, high in automation degree, low in energy consumption, easy to carry and easy to place.

The invention discloses an intelligent Chinese medicine pulse manifestation instrument, which belongs to the field of medical equipment. The existing Chinese medicine pulse manifestation instruments require manual hand-held sensors for detection, and the measurement method can lead to inaccurate positioning problems. A pulse-measuring clamping device is arranged at top of a control box, a controller is arranged inside the control box, and the controller forms an integral body with the pulse-measuring clamping device. Compared with the existing pulse manifestation instrument, the usage land occupation is smaller, a rotating component is also provided. When an outer casing is opened, the controller can be screwed out, and after the controller is screwed out, the medical staff can directly adjust the controller to perform pulse manifestation detection for the patient. The pulse-measuring clamping device provided by the invention not only facilitates fixing the wrist of the patient, but when the patient fixes the wrist between a clamping block A and a clamping block B, and a poker rod can be poked to enable a pulse sensor to accurately position the patient's pulse measurement position,which facilitates the medical staff to perform pulse detection, saves the detection time and improves the efficiency of the pulse manifestation instrument.

The invention discloses a construction air exchange device. The device comprises a machine shell, wherein an air blowing mechanism is arranged in the middle of an inner cavity of the machine shell, awet curtain is arranged on one side of the air blowing mechanism, a water spraying cover is arranged at the top end of the wet curtain, a plurality of nozzles are fixedly inserted and connected in thebottom end of the water spraying cover, one side of the water spraying cover is in fixed communication with a water pump through a guide pipe, the bottom end of the wet curtain is provided with a water receiving cover, the bottom end of the water receiving cover is fixedly connected with a water outlet pipe, the inner wall of the water receiving cover is fixedly connected with a strip-shaped bearing plate, and the top end of the strip-shaped bearing plate is provided with a filter screen. According to the device, the arrangement of the wet curtain, the water pump, the water spraying cover andthe nozzles are utilized, and in combination with the use of the air blowing mechanism, air blown into a workshop can be filtered and cooled by the wet curtain in advance, particles of dust and the like in the air are removed, and the temperature of the air is reduced, so that the freshness degree of the exchanged air in the workshop is improved; and meanwhile, the water receiving cover, the water outlet pipe and the filter screen are cooperatively used to filter and recover sewage generated after the wet curtain is cleaned, and thus the recovery utilization rate of water resources is increased.

The invention discloses a ground cleaning device which comprises a ground cleaning robot and a work station, the work station comprises a water supply tank, the ground cleaning robot comprises a machine shell, a water storage tank and a water adding assembly, the water storage tank and the water adding assembly are arranged in the machine shell, and the water adding assembly is arranged on one side of the water storage tank; the water adding assembly comprises a water suction pump, a water outlet pipe located on the upper portion of the water suction pump and a water inlet pipe located on thelower portion of the water suction pump, and the water outlet pipe is connected with a water outlet of the water suction pump and the upper portion of the water storage tank, and the water inlet pipeis connected with the water inlet of the water suction pump, the water suction pump pumps liquid in the water supply tank through the water inlet pipe and conveys the liquid into the water storage tank through the water outlet pipe. The water adding assembly with the water suction pump is arranged on one side of the water storage tank, clear water in the water supply tank at the lower position canbe pumped to the upper portion of the water storage tank to be added into the water storage tank through pressurization of the water suction pump, a water supply structure of the workstation does notneed to be arranged to be higher than the water storage tank, and the height and size of the workstation are greatly reduced, and the footprint of a workstation is reduced.

The invention relates to the field of solid waste treatment, and discloses a method for treating solid waste by using a jaw crusher. The jaw crusher is used for treating the solid waste, so that a connecting rope wound on a winding shaft is conveniently released; and then the gravity of a moving frame is utilized, so that the moving frame, a storage basket and rain shielding cloth in the storage basket can be driven to move downwards, the top and the four sides of a machine box can be conveniently shielded in rainy and snowy weather, the situation that the jaw crusher is corroded by rain and snow, and as a result, the jaw crusher is rusted is avoided, and the service life of the jaw crusher is prolonged.

The invention provides an intelligent protection device for low-voltage overload of a distribution transformer, which comprises a first assembly steel plate, a second assembly steel plate, a dampproofplate, a waterproof plate, a housing, a storage battery, a switch, a transformer, a thermal relay, an auxiliary sleeving protective cover frame structure, a wiring dustproof head structure, a digitaldisplay thermometer, an adjustment mounting frame structure and an auxiliary cooling protective frame structure, wherein the second assembly steel plate is welded on the lower part of the front surface of the first assembly steel plate; and the dampproof plate and the waterproof plate are mutually glued and respectively glued on the rear wall of the first assembly steel plate. The arrangement ofthe auxiliary sleeving protective cover frame structure is convenient for sleeving a sleeving shell on the front part of the first assembly steel plate and the lower part of the second assembly steelplate, a dust protection effect is played on the transformer and the thermal relay accordingly, and the protection effect is improved.

The invention discloses a novel dining table structure, which comprises a lower mounting seat, an upper mounting seat arranged above the lower mounting seat, and a displacement lower plate arranged above the upper mounting seat. There is a first sliding joint groove with an upward entrance, and a first sliding joint block is arranged in the first sliding joint groove to slide left and right, and a second sliding joint groove with an upward entrance is arranged in the first sliding joint block. In the second sliding joint groove, a second sliding joint block can be slid back and forth to the ground, and the center position of the top of the second sliding joint block is provided with an ejector rod that extends upward and is fixedly connected with the desktop board. The outer circle of the ejector rod The bottom is fixedly connected with the displacement lower plate. The present invention has simple structure, low manufacturing cost, convenient operation, safe and stable overall structure, and can realize the automatic adjustment of the height position, front and rear positions, and left and right positions of the desktop plate to meet the needs of different groups of people. usage requirements.

The invention discloses a touch type intelligent door lock. The touch type intelligent door lock comprises an intelligent door lock body, a handle, a rubber sleeve, an anti-skid concave hole, a coverplate, a display groove, an information indication display paperboard, a magnetic rubber ring, a touch area groove, a plastic knob sleeve, an anti-skid convex strip, an iron ring, a fingerprint identification area, a digital password touch screen, an antibacterial contact layer, a square rod, a rotating sleeve, a concave hole, a spiral spring, a bearing and a square hole groove. The touch type intelligent door lock is arranged on a traditional intelligent door lock, so that protection is provided for a touch area of the traditional intelligent door lock; when protection coverage is carried out,pressure can be provided for a joint through magnetic adsorption between the magnetic rubber ring and the iron ring and the elastic force of an elastic telescopic rod, so that clamping is realized, the magnetic rubber ring is pressed, sealing is provided, and the dustproof protection effect is achieved; and meanwhile, during protection, the antibacterial contact layer is arranged, so that the antibacterial effect can be effectively achieved, breeding of bacteria and germs is effectively reduced, and the protection effect is improved.

The invention discloses an LED chandelier which can conveniently adjust the suspension height, which comprises a main body of the LED chandelier, a protective shell, a push rod, a winder, a fixed shaft and a push block. A protective cover is arranged under the main body of the LED chandelier. And the lower part of the protective cover is connected with the transparent sealing plate, the protective shell is arranged above the protective cover, and the upper part of the protective cover is connected with the fixing device, the compression spring is arranged inside the fixing device through the fixing groove, and fixed Both the device and the protective shell are provided with wire holes, the push rod is set inside the fixing device through a compression spring, the retractor is set inside the protective shell, and the fixed shaft is set inside the winding shaft through a spring , and the outside of the winding shaft is connected with the wire. The LED chandelier which can conveniently adjust the suspension height is provided with a fixing device above the protective shell, which facilitates the fixing of the main body of the LED chandelier at different heights and facilitates the adjustment of the height of the main body of the LED chandelier.

The invention discloses gravel vibration feeding equipment. The equipment comprises a fixing frame, a feeding groove and a vibration device, a feeding bin is welded to one end of the feeding groove, electric telescopic rods are fixedly connected to the positions, corresponding to the two ends of the feeding groove, of the lower end of the fixing frame, lifting hooks are fixedly connected to the lower ends of the electric telescopic rods, and the lower ends of the lifting hooks are connected with the feeding groove. A vibration device is connected to the lower end of the feeding groove, a baseplate is welded to the lower portion of the vibration device, the lower surface of the base plate is elastically connected with a supporting plate through evenly-distributed damping balls, and one side of the upper surface of the supporting plate is connected with a fixing frame through a first supporting rod. According to the vibrating feeding equipment, a dustproof cover is arranged to achieve the dustproof protection effect on sand and stone in the feeding groove, the phenomenon that dust drifts around in the sand and stone feeding process is prevented, and meanwhile the working cleanlinessof the vibrating feeding equipment is improved through cooperation with an exhaust fan.

The invention discloses a convenient-to-use multifunctional test tube storage device, and relates to the technical field of medical supplies. The device comprises a box body, wherein a partition plateis fixedly connected to the inner surface of the box body, a placing block is in lap joint with the upper surface of the partition plate, a pull rod is fixedly connected to the upper surface of the placing block, a plurality of placing grooves are formed in the upper surface of the placing block, first sliding blocks are fixedly connected to the left side face and the right side face of the placing block correspondingly, first sliding grooves are formed in the left side face and the right side face of the inner wall of the box body correspondingly, the first sliding blocks are slidably connected into the first sliding grooves, and compression devices are in lap joint with the upper surfaces of the first sliding blocks. According to the multifunctional test tube storage device, through thecombined action of the placing block, the placing grooves, a telescopic rod, a first spring, a cover plate, the pull rod, a first sliding rod, a first sliding sleeve, a second spring and a push plate, personnel can conveniently pull out the placing block, so that the personnel can conveniently take and place test tubes, and the dustproof protection effect on the test tubes is achieved.

The invention discloses a data terminal collecting device for campus intelligent community management. The data terminal collecting device for the campus intelligent community management comprises a data terminal collecting box and a protective cover, an open slot is formed in the top surface of the protective cover, dust blocking assemblies are arranged on the left side and the right side of theopen slot, perforating slots are uniformly formed in the front end surface of the protective cover, and wire combing rods are arranged in the perforating slots. A mounting method comprises the following steps of (1) mounting of a clamping plate, (2) mounting of the data terminal collecting box and the protective cover, (3) mounting of the dust blocking assemblies, (4) mounting of a blocking rod, (5) mounting of the wire combing rods and (6) mounting of the data terminal collecting device. According to the data terminal collecting device for the campus intelligent community management and the mounting method thereof, the protective cover protects the data terminal collecting box, the dust blocking assemblies are converted according to a working mode of the data terminal collecting box, andthe protective cover combs connecting wires of the surface of the data terminal collecting box through the design of the wire combing rods; and in the mounting process of the whole data terminal collecting device, through the ingenious design of the size of various parts, positioning and mounting are convenient in the whole assembly process.

The invention discloses a hydraulic cut-off device, which comprises an oil pump, a hydraulic cylinder, a mounting frame and a fixing frame, wherein the oil pump is fixed to the top of the horizontal end of the mounting frame through bolts; the outlet end of the oil pump is communicated with the inlet end of the hydraulic cylinder through an oil inlet pipe, and the inlet end of the oil pump is communicated with the outlet end of the hydraulic cylinder through an oil return pipe; a cut-off groove is formed in the fixing frame; a valve rod is connected to the lower portion of the hydraulic cylinder; and the bottom of the valve rod is connected with a gate plate penetrating through the cut-off groove through a connector. According to the hydraulic cut-off device, the valve rod and the gate plate can be integrally connected and fixed by the aid of the split type mounting structure and the valve rod connecting mode of the detachable structure, so that the driving force generated by the hydraulic cylinder is uniformly transmitted to the gate plate, the gate plate quickly and stably cuts off an oil-gas pipeline, the low efficiency caused by the traditional manual cut-off mode is avoided, and the operation flexibility of the cut-off device is further improved.

The invention discloses a remote monitoring system and an Internet of Things electromagnetic relay thereof, the remote monitoring system comprises a shell, and an electromagnetic relay body, an NB-IOT communication module and a sensor which are arranged in the shell, the NB-IOT communication module is used for establishing connection with a cloud server, the NB-IOT communication module comprises a signal acquisition circuit, a microcontroller and an NB-IOT chip, and when the electromagnetic relay body is powered on, the NB-IOT chip is connected with the NB-IOT communication module. The signal acquisition circuit acquires state information of the electromagnetic relay body through the sensor, the microcontroller acquires and processes the state information of the electromagnetic relay body acquired by the signal acquisition circuit and sends the state information to the cloud server through the NB-IOT chip, and the cloud server classifies, stores, analyzes and processes the information uploaded by the NB-IOT communication module. According to the remote control system and the Internet of Things electromagnetic relay thereof, the NB-IOT communication module is connected with the cloud server, and the cloud server performs classified storage and analysis processing, so that cloud communication of the electromagnetic relay is realized, and the requirement of intelligent use is met.

The invention discloses an assembled integral hallway for indoor decoration, and relates to the technical field of hallways. The device comprises a base and a mounting plate, the upper surface of thebase and the upper inner wall of the mounting plate are each provided with two symmetrically-arranged sliding grooves, the mounting plate is of an L-shaped plate body structure, a main hallway and anauxiliary hallway are slidably connected between the two sliding grooves correspondingly, clamping holes are formed in the front end face and the rear end face of the base correspondingly, and internal threads are arranged in the clamping holes. Locking bolts are in threaded connection with the interiors of the clamping holes, penetrate through the clamping holes in the front end face of the baseto be in threaded connection with the main hallway, penetrate through the clamping holes in the rear end face of the base to be in threaded connection with the auxiliary hallway, a groove is formed inthe front end face of the auxiliary hallway, and a storage plate is fixedly connected between the inner walls of the two sides of the groove. A decoration drawing board is fixedly connected to the front end face of the main hallway, a through groove is formed in the front end face of the main hallway, and a drawer box is slidably connected into the through groove. The problems that an existing hallway is difficult to move, and articles are difficult to place and the like are solved.

The invention discloses a scanning device for product surface detection and an assembling method thereof, and relates to the technical field of product surface scanning devices. The scanning device comprises a mounting support, a diaphragm component is fixed to one side of the mounting support, and a plurality of channels penetrate through the surface of the diaphragm component and are used for allowing reflected light generated by the surface of a to-be-detected product to pass through so as to form a folded light path; and a light path reflecting component is further arranged on one side of the mounting support. Light can pass through the diaphragm component to form a light path, stray light is effectively avoided, the diaphragm component is used in cooperation with the light path reflection component, an original light path is divided into a plurality of light paths, the purpose of reducing the size of the whole device is achieved, meanwhile, the internal structure of the scanning device is compact, the scanning device has high stability in use. The mounting bracket fixedly connected with the diaphragm component and the reflecting component respectively is not in contact with the cover plate and the side plate, so that the cover plate and the side plate can be prevented from colliding with the diaphragm component and the reflecting component.