17results about How to "Affect the tightness" patented technology

The invention relates to the technical field of metering boxes, and discloses a telescopic metering box door stopper fixing tool and a using method thereof.The telescopic metering box door stopper fixing tool comprises an adsorption assembly, the adsorption assembly comprises a multi-stage telescopic rod, a sliding circular plate is slidably connected to the inner wall of the multi-stage telescopic rod, and a first spring is fixedly connected to the outer wall of the sliding circular plate; the multi-stage telescopic rod is pulled out to increase the length so as to adapt to the height of the metering box, then the right-angle plate is controlled to move integrally through the multi-stage telescopic rod, a suction cup on the left side of the right-angle plate is attached to a box door of the metering box, and then the double-shaft motor is started to drive the two moving plates to move in the direction away from each other; air between two first pressing plates can generate negative pressure, so that a shielding plate can compress a second spring and move towards the right side, a space generated after a suction cup and a metering box are attached also generates negative pressure, then the right-angle plate can be integrally adsorbed to a metering box door through the negative pressure, and the device can complete a complex installation task in a relatively small space; the carrying and the storage are convenient.

The present invention relates to the field of fluid delivery technology, and discloses an anti-self-aggregation ball valve. The anti-self-aggregation ball valve of the present invention comprises a valve body, a valve core, a valve seat and a valve stem. A soft sealing ring and two hard sealing parts are arranged at intervals on the valve seat. The two hard sealing parts are coaxially arranged with the spherical surface of the valve core. The soft sealing ring is arranged between the two hard sealing parts and is coaxially arranged with the spherical surface of the valve core and the two hard sealing parts. The anti-self-aggregation ball valve of the present invention can reduce the damage to the sealing structure of the valve body and the valve core caused by the accumulation or scaling of self-aggregation, and improve the service life of the ball valve.

This invention relates to the field of intelligent transformer technology, specifically to an intelligent transformer with protective functions, including a transformer main body, a pressure relief mounting component installed on the transformer main body, and a pressure relief device installed on the pressure relief mounting component; the pressure relief mounting component is used to detect the oil level; the pressure relief device is used to release air pressure; a moisture-absorbing component is installed on the pressure relief mounting component; a fin detection component is installed on the transformer main body; the fin detection component is used to monitor fin deformation; the pressure relief device can be used to release pressure in a timely manner when the insulating oil and air pressure inside the transformer main body rises, which can ensure the safe operation of the transformer main body. At the same time, this structure uses a float to monitor the insulating oil level, and in conjunction with a control switch, it can automatically control the oil discharge through the discharge solenoid valve, and the oil discharged by the discharge solenoid valve contains a large amount of sediment impurities.

This utility model discloses a sealing socket with a novel bent structure, including a plug assembly and an elbow assembly. The elbow assembly includes an integral elbow and an elbow nut. One end of the integral elbow is mounted on one side of the plug assembly and connected by the elbow nut. This utility model provides a first bend that bends outward at the end of the integral elbow. A stepped surface is provided on the corresponding end of the plug assembly, forming a second bend that mates with the first bend. The end of the first bend abuts against the stepped surface, forming a sealing groove with the second bend. A sealing ring is provided in the sealing groove, effectively preventing gaps in the seal caused by improper installation of the integral elbow during insertion, which would affect the sealing performance between the integral elbow and the plug housing.

The utility model belongs to the field of water dispensers, and provides a multifunctional electric valve structure assembly which comprises a machine shell provided with a containing cavity. The valve element fixed ceramic chip is installed in the containing cavity, and a water through hole is formed in the valve element fixed ceramic chip; the driving module is arranged on the machine shell, a valve element movable ceramic chip is connected to the driving module, the valve element movable ceramic chip stretches into the containing cavity and movably abuts against the valve element fixed ceramic chip, and a water supply hole is formed in the valve element movable ceramic chip. Compared with the prior art, the utility model has the advantages that a driving mode of the driving motor is adopted, so that the valve core movable ceramic chip is propped against the valve core fixed ceramic chip, corrosion and abrasion of impurities in water are effectively resisted, and the service life of the valve is prolonged; and meanwhile, the overlapping area between the water supply hole and the water through hole can be adjusted under the relative rotation of the valve element and the movable ceramic chip, so that the accurate control over the water outlet amount is achieved, and the flow requirements in different scenes are met.

A liquid-prevention structure includes a conversion connector, interface pipes, and a valve-type check valve. The conversion connector is a hollow shell structure with a necked interface at one end and multiple interface pipes spaced apart at the other end. The interface pipes are connected unidirectionally to the inner cavity of the conversion connector via the valve-type check valve. The valve-type check valve includes a valve body with both ends sealed to the interface pipes and the conversion connector, respectively. Two channels penetrating the valve body are symmetrically arranged on one end of the valve body. An installation arm is provided between the two channels at the end of the valve body facing the conversion connector. The surfaces of the two valve flaps facing away from the valve body channels are provided with limiting structures to prevent the two valve flaps from colliding. Compared with traditional ball-type check valves, this invention provides surface contact between the valve flaps and the valve body channel ports, resulting in better sealing, less wear, and a longer service life.

The utility model discloses an artillery recoil machine liquid amount inspection device which comprises a recoil machine body, a threaded inspection hole is formed in the outer wall of the recoil machine body, the inner wall of the threaded inspection hole is in threaded connection with a screw rod, a through hole is formed in the outer wall of the screw rod, and the inner wall of the through hole is fixedly connected with an induction measuring head. The top of the screw is fixedly connected with a nut, the inner wall of the nut is fixedly connected with a sealing gasket, the outer wall of the screw is slidably sleeved with a copper gasket, and the nut is provided with a detection mechanism. The recoil machine body detection device needs to be replaced when abnormity occurs during detection, the device is high in detection speed, detection results can be displayed only by being connected with a power supply, the tedious steps that screw plugs in threaded detection holes of artillery doors are detached one by one during detection and manual naked eyes are used for detection are avoided, only the recoil machine body which is detected to be abnormal needs to be processed, and the detection efficiency is improved. And meanwhile, the influence on the sealing performance at the screw plug inspection due to repeated disassembly and assembly is also avoided.

The utility model discloses an anti-condensation device and an air conditioning unit. The anti-condensation device comprises a condensation device and a liquid guide pipe, the condensation device is arranged on the air flow channel of the sealing box body and can convert vaporous water in air in the sealing box body into condensation water, the liquid guide pipe is connected with the condensation device and used for guiding out the condensation water in the condensation device, and the liquid guide pipe is sealed through liquid; the condensation water is led out, meanwhile, outside air is prevented from entering the sealing box body, and the problem that in the prior art, when condensation water of a sealing box body is led out, outside air enters the sealing box body from a condensation water leading-out pipeline, and the sealing performance of the sealing box body is affected is solved. And a fan is arranged in the sealed box body to form a flow channel, so that the speed of air flowing to the condensation device is increased, and meanwhile, the temperature in the sealed box body is reduced.

The invention discloses a hot melting connecting device for plastic packaging bag production and a using method, and relates to the technical field of hot melting devices.The hot melting connecting device comprises an aluminum buckle frame, a top plate is fixedly connected to the top of the aluminum buckle frame, side plates are fixedly connected to the front side and the rear side of the aluminum buckle frame, door plates are hinged to the left side and the right side of the aluminum buckle frame, and a fixing platform is fixedly connected to the middle of the aluminum buckle frame; a feeding port is formed in the top of the top plate, a conveying device and a feeding device are arranged above the feeding port, and two fixing frames are fixedly connected to the upper surface of the fixing platform. Plastic particle residues, generated by hot melting of a packaging bag, on the surface of the hot melting block can be scraped off through the scraping plate, then the situation that the flatness and temperature uniformity of the hot melting block are affected by the residual plastic particles can be avoided, and it can be guaranteed that the hot melting block can make better contact with the packaging bag after the residual plastic particles are scraped off; the packaging bag can be connected more firmly through hot melting, the quality problem of leakage points of the packaging bag is avoided, and the qualification rate of hot melting connection of the packaging bag is increased.

The utility model provides a kind of for photovoltaic corrugated board connecting sealing butt joint device, it is related to photovoltaic corrugated board technical field.For photovoltaic corrugated board connecting sealing butt joint device, including device body, the device body one end is equipped with two groups of sliding slot, the sliding slot top is profiled with the linear array distribution of moving groove, the moving groove top is equipped with the through type of slot, the sliding slot is slidably connected with slide bar, the slide bar top is fixedly connected with the linear array of L-shaped bolt, the L-shaped bolt outside is equipped with the plugboard, the plugboard is slidably connected in slot interior, the device body top is provided with clamping fixing part.This is for photovoltaic corrugated board connecting sealing butt joint device, by setting L-shaped bolt and plugboard, so it can improve the convenience of photovoltaic corrugated board disassembly, simultaneously using clamping fixing part hides bolt or plugboard and so on fixed structure, to effectively improve the sealing property and practicality of photovoltaic corrugated board.

The present invention relates to a manual magnetic on-off controller, comprising a valve body, a button assembly arranged inside the valve body, and an actuator whose action is triggered by the button assembly; a vacuum interface, an air interface and an output interface are arranged on the outer wall of the valve body, and a vacuum pipeline connected to the vacuum interface, an air pipeline connected to the air interface, and an output pipeline connected to the output interface are arranged in sequence inside; the actuator comprises a plug that is triggered to rise and fall by the button assembly and intermittently opens and closes the vacuum pipeline and the air pipeline, and a valve core assembly that is used to make the output interface intermittently connected to the vacuum interface and the air interface; the present invention mainly adopts manual triggering to realize the action of the controller, so that the output interface can switch to let in air or form a vacuum, thereby controlling the action of the vacuum drain valve, diaphragm valve, pneumatic water valve, etc. connected thereto, and the control is convenient and efficient; and it is suitable for occasions with a large range of air pressure changes and unstable pressure.

The invention relates to a case sealing device applied to a new energy three-electric system, which comprises a case body and a main body, the case body comprises a through hole, the main body is provided with a mounting part, the outer contour of the mounting part is hemispherical, the outer side surface of the main body is provided with a convex ring, and the convex ring is in interference fit with the through hole to fix the main body on the case body; the main body is provided with a groove, a supporting structure is arranged in the groove and provided with an extending part, and a limiting flange is arranged at the end, away from the mounting part, of the main body and clamped to the outer surface of the box body. The beneficial effects are that the protruding ring arranged on the side surface of the main body is in interference fit with the through hole, so that the main body is not easy to break away from the through hole in a transportation process after the main body and the box body are assembled, dustproof, waterproof and sealing of the box body are realized, and stability and durability of equipment are improved. The limiting flange is clamped on the surface of the through hole to prevent the main body from completely entering the box body and being unable to be taken out; and the supporting structure prevents the mounting part from deforming during assembly, and the supporting structure is provided with the extending part, so that the main body is more convenient to assemble.

The utility model relates to chemical explosion -proof storage tank technical field, concretely is a kind of chemical explosion -proof storage tank, including collection jar, closure lid and cooling device, closure lid is installed on the top end of collection jar, cooling device is set on the bottom end of collection jar, cooling device includes heat conduction column, and the inside fixed connection of collection jar is connected with heat conduction column, and the inside of heat conduction column is placed with isolating sleeve, and the bottom end of isolating sleeve is equipped with air inlet, and the inside fixed connection of isolating sleeve is connected with drive motor, and the drive end fixed connection of drive motor has fan blade, and fan blade is located in the inside of isolating sleeve, and the outside of isolating sleeve is equipped with air outlet, and air outlet is communicated with the inside of isolating sleeve, and the bottom end fixed connection of drive motor has battery, and battery is located in the inside of isolating sleeve.The utility model, by setting cooling device, can effectively cool storage tank, avoid the temperature influence chemical product in the inside of storage tank, and then reduce the situation that storage tank appears explosion.

The utility model discloses a Czochralski method crystal growing furnace which comprises a fixed seat, a lower hearth is installed at the top of the fixed seat, a supporting plate is fixedly connected to the top of the fixed seat, and an upper hearth slides in the supporting plate through a lifting assembly. Mounting mechanisms are arranged on the two sides of the upper hearth and used for achieving mounting operation of the upper hearth, each mounting mechanism comprises a mounting assembly, each mounting assembly comprises a containing plate arranged in the corresponding supporting plate in a sliding mode and connecting bases mounted on the two sides of the upper hearth, and a sliding plate is connected to the interior of each containing plate in a sliding mode. According to the Czochralski-method crystal growing furnace, when crystals with different sizes are processed, the upper hearth can be replaced in time, so that the height required by growth is met, the growth size is increased, the mounting mechanism is arranged, the mounting and dismounting processes of the upper hearth are more convenient, and the working efficiency is improved.

The present invention discloses a cable connection protection and installation component and a use method thereof, comprising a first protective shell and a second protective shell, the tops of the first protective shell and the second protective shell are both threadedly connected with a fixing component, one side of the first protective shell is clamped and installed with the other side of the second protective shell, the second protective shell and the side of the fixing component are both sleeved and installed with a protective sleeve, the second protective shell and the side of the fixing component are threadedly connected with a buffer head, and the protective sleeve is sleeved on the outer surface of the buffer head. In the above scheme, the protective sleeve is shrunk by heating to fit the surfaces of the first protective shell and the buffer head, and the second protective shell and the buffer head, so as to complete the sealing of the two ends, thereby achieving a waterproof and moisture-proof effect, preventing the cable from short-circuiting or leaking due to damage to the insulation layer, clamping the cable to prevent the cable connection from falling off due to pulling, and at the same time, by pulling the cable, the cable connection is tighter, thereby further maintaining the stability of the cable.

This invention discloses a sediment interception device for cast-in-place pile boreholes, comprising: a cover body with a pipe extending through its top; a partition plate disposed within the cover body; two mud pipes, both extending through the partition plate; two pneumatic components, both fixedly mounted on the top of the cover body; and two sealing components connected to the two pneumatic components respectively. This invention enables the pneumatic components to drive a sleeve rod to descend and rotate, thereby causing a connecting plate, plug, and rubber strip to descend and rotate. The rotating rubber strip pushes away sediment from the inner surface of the upper end of the mud pipe, thus cleaning the inner surface. When the rubber ring enters the mud pipe, it seals the mud pipe. Because the upper end of the mud pipe is cleaned, small stones can prevent them from affecting the sealing performance of the rubber ring.