30results about How to "Open sensitive" patented technology

A cleaning device for a vehicle headlamp comprises a housing, a piston link and a nozzle seat; the bottom end of the housing is provided with a base having a liquid inlet; the housing is internally provided with the piston link; the upper end of the piston link is provided with the nozzle seat; the piston link can move in the housing; a main compression spring is sheathed on the piston link; the upper end of the main compression spring is fixed with the top in the housing; the lower end of the spring is fixed with the lower part of the piston link; and a check valve is arranged between the nozzle seat and the piston link. The device has the advantages of being reliable in nozzle movement, long in service life and simple in structure.

The invention discloses a two-stage opening type large-flow-rate safety valve, which comprises a valve body, wherein the front end of the valve body is provided with a threaded joint, a valve core is arranged in the valve body and the threaded joint, the front part of the valve core is provided with a sealing pad, a spring is arranged between the back part of the valve core and the back wall of the valve body, a cone surface soft seal is formed between the threaded joint and the sealing pad, an air release hole and a large-flow-rate liquid discharge hole are formed in the threaded joint, the core part of the valve core is provided with a throttle long hole with fixed diameter and length, the back wall of the valve body is provided with a through hole, and a second safety valve is arranged in the through hole. The two-stage opening is realized through the valve body and the two-stage safety valve, during the small-flow-rate liquid discharge, only the two-stage safety valve is opened, and when the pressure is tool high, the valve core opens the great-flow-rate liquid discharge under the pressure difference effect. The high pressure can be released instantly, the equipment is protected from being damaged by high-pressure impact, the opening is sensitive, the flow rate is high, and a hydraulic support frame oil cylinder can be well protected.

A pressure release valve of proportion type is composed of valve body, seal washer, piston shaped valve clack and valve base. It features that some internal bushes of valve body are set to be Y shaped seal washer to decrease frictional force effectively and to increase service life of said valve effectively.

The invention discloses a marine fire damper, comprising a fire damper installation valve body frame (1), a rotatable gate (2), a gate operating device (3), a swing rod (4), and an opening spring (5) , a closing spring (6), a peep hole (8) and a temperature sensor (7), and at least one rotatable gate plate ( 2); the rotatable ram (2) is a rotatable ram with a hollow structure; a ram operating device (3) is provided above the valve body frame (1) where the fire damper is installed; the ram operation The device (3) is provided with the opening spring (5) and the closing spring (6). The invention adopts a marine fire damper with a reasonable structural design, which can make the contact position between the rotatable gate plate and the valve body frame of the fire damper play a sealing role, prevent smoke from escaping, and make the sealing effect better.

The invention discloses a compression release type engine cylinder internal braking device. The compression release type engine cylinder internal braking device comprises a driving force input cam shaft and a braking rocker arm assembly which is driven by the driving force input cam shaft and can rotate and swing around a rocker arm shaft; the braking rocker arm assembly comprises a braking rockerarm and a valve clearance control mechanism arranged in an installation hole of the braking rocker arm; the valve clearance control mechanism comprises a braking plunger, a reset spring and a drivingdevice, wherein the reset spring has upward elastic force on the braking plunger, and the driving device has downward acting force in the axial direction on the braking plunger; and the braking plunger right faces an exhaust valve. A driving piston of the compression release type engine cylinder internal braking device synchronously drives an upper connecting rod and a lower connecting rod to swing, due to the fact that spherical heads of the upper connecting rod and the lower connecting rod conduct twisting actions in corresponding spherical grooves, the upper connecting rod downwards extrudes a middle sliding block in the swinging and twisting process, then the middle sliding block extrudes the lower connecting rod, the lower connecting rod downwards extrudes the braking plunger, accordingly, the braking plunger moves downwards, a valve cap is triggered, and accordingly engine cylinder internal braking work is achieved.

The invention belongs to the technical field of agricultural unmanned aerial vehicles, and particularly relates to a sunflower pollination unmanned aerial vehicle for agricultural production. The sunflower pollination unmanned aerial vehicle comprises a vehicle body, four wings are installed on the side wall of the vehicle body, propellers are installed at the upper ends of the four wings, and a pollen storage box is installed on the lower surface of the vehicle body; a vertically-arranged flow mixing cylinder is fixedly installed in the pollen storage box, a pollen feeding mechanism is arranged on the flow mixing cylinder, the lower end of the flow mixing cylinder penetrates through the bottom surface of the pollen storage box and is fixedly communicated with a flow dividing box, and theside wall of the flow dividing box is fixedly communicated with a plurality of pollination pipelines which are distributed in a circumferential array manner; and an expansion ball is fixedly connectedto the inner side wall of each pollination pipeline, and a transparent sealing cylinder communicating with the corresponding expansion ball is installed on the side wall of each pollination pipeline.By means of the sunflower pollination unmanned aerial vehicle, opening of the pollination pipelines facing sunflower flowers and the closing of the pollination pipelines back to the sunflower flowerscan be automatically regulated and controlled, so that the pollination rate is greatly improved, the pollen waste is reduced, and the cost is reduced.

The invention discloses a remote controller with an external surface wrapped with a silica-gel soft film. The remote controller is mainly characterized in that external surfaces of a shell of a remote controller body, buttons, an infrared light emitting diode and a battery box cover are wrapped with a layer of white transparent silica-gel soft film with a 0.1-0.3mm thickness; after the battery box cover is wrapped, an edge is used to cut periphery wires so that the battery box cover can be individually moved out from the shell; shore hardness of the silica-gel soft film is controlled to be 23 to 30, tensile strength is controlled to be 7.0-7.5 MPa, an elongation at break is controlled to be 500 to 550% and tear strength is controlled to be 15KN/m. In the invention, dusts in the air, lampblack, water vapor and the like can be prevented from entering into the remote controller from assembling gaps between the remote controller shell and the buttons, and between a glass pipe head of the infrared light emitting diode and the battery box cover; a wireless transceiver module and an infrared transceiver IC module in the remote controller and button contact points can be ensured to be clean and be in a good contact state. By using the remote controller of the invention, an electric appliance can be started flexibly and controlled.

The invention discloses a forged steel oil injection valve. The forged steel oil injection valve comprises a valve body, a valve cover and a bottom cover; an oil storage cavity and a piston movement cavity are formed in the valve body; the oil storage cavity is positioned at the top of the piston movement cavity; the top of the oil storage cavity is open; the bottom of the oil storage cavity communicates with the piston movement cavity through a through hole; the bottom of the piston movement cavity is open; a piston is arranged in the piston movement cavity; a first spring is fixed to the topof the piston; the piston moves towards the bottom of the valve body through the first spring; a ventilating opening and an oil outlet are also formed in the valve body; the valve cover is mounted atthe top of the valve body; an oil injecting opening which communicates with the oil storage cavity is formed in the valve cover; the bottom of the valve cover is connected with an oil storage cavitystop cover through a second spring; the oil storage cavity stop cover shields the through hole through the second spring; and the bottom cover is mounted at the bottom of the valve body. According tothe forged steel oil injection valve, the starting and stopping of oil injecting are completed through the gravity of a pneumatic combination part and the elastic force of the springs, so that an oilinjecting operation is more sensitive.

The invention relates to a touch screen type one key starting system for motor vehicles and new energy vehicles. The touch screen type one key starting system comprises an airtight pressed touch screen assembly, a control device used for controlling electric motor working condition, a power source used for supplying electric power to the an electric motor, a switch chip used for controlling power source working condition, a Hall sensor used for detecting the electric motor working condition and a remote controller used for conducting wireless communication with the control device, wherein the switch chip has a screen lock control function; an I/O terminal of the control device is respectively and electrically connected with a touch screen, the switch chip and the Hall sensor; the switch chip or the control device is provided with a wireless communication module which exchanges data with the remote controller. Motor vehicle starting technologies are realized via adoption of touch screen technologies, and safe motor vehicle starting control and sensitive motor vehicle operation can be achieved; a problem that vehicles cannot be started due to dampness or sleety weather when a traditional key starting mode or a traditional press key starting mode is adopted can be prevented; the touch screen type one key starting system is advantaged by simple structure, convenience of installation and utilization, long service life, high antitheft performance and the like.

The invention relates to a refrigerator and a pipeline assembly used for the refrigerator. A pipeline assembly comprises a first liquid feeding pipe section, a second liquid feeding pipe section, and a sealing rotor, wherein the sealing rotor is pivotally arranged in the second liquid feeding pipe section; the upper surface of the sealing rotor is provided with a first plane and a second plane which are connected with each other; the first plane towers above the second plane; the lower surface of the sealing rotor is spherical; the sealing rotor is configured to a liquid inlet for sealing the first liquid feeding pipe section; when the liquid flows to the upper surface of the sealing rotor, liquid above the second plane is more than that above the first plane to promote the first plane to rotate upwards and the second plane to rotate downwards, so that the sealing of the liquid inlet of the first liquid feeding pipe section by the sealing rotor is eliminated. In addition, the invention also provides the refrigerator with the pipeline assembly. The pipeline assembly of the invention can realize automatic opening/closing of a water inlet or a water drainage hole; and because of a special structure of the sealing rotor, the phenomena of blockage or temporary blockage are avoided, the invalidation is difficult to occur, and the reliability is high.

The invention relates to the technical field of valves, in particular to an automatic water replenishing valve. The automatic water replenishing valve comprises a valve body, a coil assembly, a valverod assembly, a lever assembly and a sealing assembly. A valve opening is formed on the valve body. The valve rod assembly, the lever assembly and the sealing assembly are all contained in the valve body. The coil assembly is arranged on the valve body. The sealing assembly is used for cooperating with the valve opening. One end of the lever assembly is connected with the valve rod assembly, and the other end of the lever assembly is connected with the sealing assembly. The coil assembly is powered on to generate a magnetic field and drives the valve rod assembly to move. The valve rod assembly drives the lever assembly to move so as to drive the sealing assembly to open and close the valve opening. The valve rod assembly drives the motion direction of the lever assembly and the directionof the acting force, sealing the valve opening, of the sealing assembly to be arranged in an included angle manner. The automatic water replenishing valve has the advantage that opening of the automatic water replenishing valve is more sensitive and labor-saving.

The invention relates to a heat convection method of a spring balance type regulating roadbed. The method includes steps of firstly, fixing an axis rod on the pipe wall of a ventilating pipe, and sheathing a rotary shaft sleeve pipe on the axis rod; then fixing an air door on the rotary shaft sleeve pipe; finally, arranging a spacer on the axis rod; symmetrically arranging a memory alloy spring and a balance spring at the center of the axis rod by taking the axis rod as an symmetrical axis. The heat convection method is simple, convenient to install, high in stability, and wide in using scale; the method can completely adapt to the extreme severe environment of the Tibet Plateau, meet the special requirements of project construction, and greatly improve the cooling performance of the ventilating roadbed.

The invention discloses a multifunctional pilot operated safety valve, and relates to the technical field of valves. According to the multifunctional pilot operated safety valve, a pilot valve and a main valve are designed to be of an integrated structure, a diaphragm type structure in an existing pilot operated safety valve is omitted, a main valve piston is arranged, a valve rod of the main valve is connected with the main valve piston, a damping hole is formed in the main valve piston, and after the pilot valve completes control over the main valve, gas in the pilot valve can be delivered out from the rear end of the main valve and cannot be discharged outwards, so that the environment is not influenced. According to the multifunctional pilot operated safety valve, no media are discharged outwards during take-off and release, and the function of safely discharging gas, liquid and high-back-pressure media at the same time is achieved. The valve has the advantages of being accurate in take-off pressure, high in discharge precision, sensitive in action, reliable in sealing, capable of meeting high-back-pressure discharge, long in service life and the like.

The invention discloses a valve. The valve comprises a valve shell body, an upper valve clack, a lower valve clack, a first elastic part and a second elastic part, wherein the valve shell body is internally provided with a hole passage, the upper valve clack comprises a downward spherical surface, the lower valve clack comprises a spherical groove adapted to the spherical surface, the spherical surface directly faces the spherical groove, the first elastic part is connected between the upper valve clack and the hole passage in a sealed manner, and the second elastic part is connected between the lower valve clack and the hole passage in a sealed manner. The valve can be controlled according to the flow quantity.