865results about "Venting valves" patented technology

This application relates to a liquid discharge mechanism, a battery box, a battery, and an electric apparatus. The liquid discharge mechanism includes: a valve seat having a mounting chamber; a valve core assembled on the valve seat and at least partially accommodated in the mounting chamber; and a deformation member accommodated in the mounting chamber and connected between the valve seat and the valve core. The deformation member is configured to deform after contacting a target liquid, thus causing formation of a liquid discharge channel between the valve core and the valve seat.

The utility model discloses a vertical automatic exhaust valve, and mainly relates to the field of exhaust valves. Comprising a valve body, the bottom of the valve body is communicated with a pipeline, a valve cover is arranged on the valve body, a valve bonnet is arranged at the top of the valve cover, a floating ball is movably arranged in a cavity of the valve body, a T-shaped valve element is arranged in the valve bonnet in a sliding mode, the top of the valve element can block the valve cover, the bottom of the valve element is connected with the floating ball, and an exhaust hole is formed in one side of the valve bonnet. The exhaust valve has the advantages of being free of complex structures and small parts, not prone to being blocked and rusted, capable of achieving rapid exhaust and rapid air suction, not prone to being blocked, good in sealing effect, capable of avoiding the phenomenon of water leakage and more convenient and practical, and the exhaust valve only exhausts air and does not drain water after the valve element is blocked.

The invention discloses a combined type air inlet and outlet valve, which relates to the technical field of air inlet and outlet valves, and comprises a valve body and a valve cover arranged at the upper part of the valve body, a floating ball is arranged in a floating ball cover, a sealing ring is arranged at the lower part of an air outlet, a clamping assembly connected with the floating ball cover is arranged outside the floating ball, and a box body with an open upper part is arranged below the floating ball cover. A one-way valve is arranged on the lower portion of the box body, a floating block is arranged in the box body, a fixing assembly used for fixing the clamping assembly is arranged on the floating block, a buffering anti-collision assembly is arranged on the fixing assembly, and a guiding anti-rotation assembly is arranged outside the floating ball. The air inlet and exhaust valve can prevent the floating ball from closing and sealing the exhaust port in the mass exhaust process, influence on mass exhaust work is avoided, influence on the closing function of the exhaust port due to normal floating of the floating ball under the action of water flow in the follow-up process is avoided, meanwhile, speed reduction can be achieved through triple buffering, and the service life of the exhaust port is prolonged. And impact damage to the floating ball and other related parts when the floating ball descends can be avoided.

The automatic cover plate comprises a base, a seat ring and a toilet cover, the base is provided with an air compression device and a pneumatic limiting device, the air compression device is provided with an air return structure, and the pneumatic limiting device is provided with a slow leakage valve; the seat ring is rotatably mounted on the base, and the seat ring in a seated state can close the slow leakage valve; the barrel cover is rotationally installed on the base and is in transmission fit with the air compression device, a first reset structure matched with the pneumatic limiting device is arranged between the barrel cover and the base, and when the barrel cover rotates from the closed position to the open position, the barrel cover drives the air compression device to exhaust air in the air compression device to the pneumatic limiting device through the first flow channel; the pneumatic limiting device is driven to limit work of the first reset structure. According to the automatic cover plate, the barrel cover can be automatically closed after a period of time of defecation of a user, the problem that the user forgets to cover the barrel cover after defecation is solved, and the user is allowed to open or close the barrel cover at any time according to needs.

The invention discloses a waterproof ventilation plug and an automobile, and belongs to the technical field of automobiles. The waterproof ventilation plug comprises a valve seat, a valve element assembly, an exhaust spring, a ventilation film framework, a waterproof ventilation film and a ventilation plug cover; the upper portion of the valve seat and the lower portion of the breathable film framework are fixed and connected in a sealed mode to form an internal hollow structure, the valve element assembly and the exhaust spring are located in the internal hollow structure, and the exhaust spring is located at the top end of the valve element assembly. A breathable film installation hole is formed in the upper portion of the breathable film framework and used for installing the waterproof breathable film, the breathable plug cover is installed on the upper portion of the breathable film framework and wraps the structure, and the inner top face of the breathable plug cover is rigidly and fixedly connected with a plurality of top columns on the breathable film framework. The waterproof ventilation plug can achieve two-way ventilation of a transmission box body, can effectively prevent water and dust, has good ventilation performance after being durable, effectively avoids the defects of a normally-open ventilation plug, a one-way valve type ventilation plug and a waterproof ventilation film type ventilation plug in the current market, and is suitable for popularization and application. And the reliability of the oil-cooled hybrid transmission and the oil-cooled electric drive system is ensured.

A fluid system is provided for an aircraft engine. This fluid system includes a lubricant reservoir and a pressure relief system. The lubricant reservoir includes an internal volume. The pressure relief system includes a sensor system, a pressure relieve valve and a controller. The sensor system is configured to provide sensor data indicative of an air pressure within the internal volume. The pressure relief valve is fluidly coupled with the internal volume. The controller is configured to control operation of the pressure relieve valve based on the sensor data.

Disclosed are an oilproof assembly, an oilproof vent valve, and a device with an oil tank. The oilproof assembly includes: a valve body, wherein a cavity is formed in the middle, the valve body includes a first end and a second end; a first filter element arranged in the cavity at the first end; a limiting part arranged in the cavity at the second end; and an elastic part arranged between the first filter element and the limiting part and configured to apply a thrust to the filter element after the first filter element absorbs oil to swell, so that at least part of oil absorbed in the first filter element can be extruded by the thrust of the elastic part. According to the oilproof assembly, the oilproof vent valve, and the device with the oil tank, the maintenance cost can be reduced, and the service life can be prolonged.

A valve connector includes a body having a first end adapted to attach to an American valve, a second end opposite the first end, and a through hole extending through both ends. A shoulder portion divides the through hole into a first accommodating portion and a second accommodating portion, with a sealing ring disposed on the second accommodating portion. A control member is movably disposed in relation to the body between a first and second position. The control member includes a body portion, a guiding hole, an abutting end, and a control end adapted to communicate with an air pump device. A venting portion is arranged between the abutting end and the control end, having a first cross-sectional area smaller than a second cross-sectional area.

The invention discloses an exhaust ball valve with an internal self-cleaning function, and relates to the technical field of exhaust ball valves, the exhaust ball valve comprises an exhaust ball valve main body, the exhaust valve main body comprises a connecting pipe and an exhaust pipe, the exhaust pipe is mounted above the connecting pipe, a partition plate is mounted in the exhaust pipe, a space below the partition plate is a primary filtering space, and a secondary filtering space below the partition plate is a secondary filtering space. The space above the partition plate is a secondary filtering space, mounting plates are mounted at the joint of the connecting pipe and the exhaust pipe, a power-assisted cleaning assembly is mounted between the mounting plates, a blocking assembly is arranged on the partition plate, an end cover is mounted above the exhaust pipe, and an exhaust assembly and a pressure gauge are mounted on the end cover. The end cover is connected with the blocking assembly, the power-assisted cleaning assembly can clean the first-stage filtering space, the blocking assembly can block air entering the second-stage filtering space, and therefore when the device is used, the inner wall of the exhaust ball valve can be automatically cleaned, and residual dust on the inner wall can be cleaned.

The automatic cover plate comprises a base, a seat ring and a toilet cover, the base is provided with an air compression device and a pneumatic limiting device, the air compression device is provided with an air return structure, and the pneumatic limiting device is provided with a slow leakage valve; the seat ring is rotatably mounted on the base, and the seat ring in a seated state can close the slow leakage valve; the barrel cover is rotationally installed on the base and is in transmission fit with the air compression device, a first reset structure matched with the pneumatic limiting device is arranged between the barrel cover and the base, and when the barrel cover rotates from the closed position to the open position, the barrel cover drives the air compression device to exhaust air in the air compression device to the pneumatic limiting device through the first flow channel; the pneumatic limiting device is driven to limit work of the first reset structure. According to the automatic cover plate, the barrel cover can be automatically closed after a period of time of defecation of a user, the problem that the user forgets to cover the barrel cover after defecation is solved, and the user is allowed to open or close the barrel cover at any time according to needs.

A piezoelectric valve including an actuator that drives a valve body; a valve seat plate including a valve seat that is adapted to be positioned in contact with and away from the valve body, and a discharge passage; and a body case that houses the valve seat plate, in which the actuator includes a proximal portion fixed to the valve seat plate, a piezoelectric element having one end portion connected to an attachment face of the proximal portion and extending in a first longitudinal direction, a support portion integrally formed with the proximal portion, the support portion being arranged side-by-side with the piezoelectric element and extending in a second longitudinal direction crossing the first longitudinal direction, an operating portion connected to another end portion of the piezoelectric element and to a distal end portion of the support portion.

Described is a valve assembly to control fluid flow through a component opening in a component. The valve assembly includes a valve body, an annular seal, and a flapper. The valve body has a passageway through which fluid can flow. A rigid support mesh is located within the passageway. The rigid support mesh includes one or more walls configured to divide the passageway into two or more sub-regions, and a first plurality of ribs arranged transverse to a second plurality of ribs and configured to form a grid of mesh openings within each quarter-circle region. The flapper is coupled to the rigid support mesh and configured to permit one-way fluid flow through the passageway. The valve assembly is configured to removably couple with the component via the component opening.

The invention discloses an exhaust gate valve with an anti-blocking function, and relates to the technical field of exhaust gate valves. Comprising a connecting flange, a valve body, a driving motor, an exhaust assembly, a valve plate assembly, an anti-seepage detection assembly and a driving gear, a brush plate shrunk between a rear valve plate and a front valve plate extends out through an eccentric ring on a front valve plate, under rotation of a cleaning gear ring, the brush plate is driven to clean dirt and impurities in the groove wall of an intercepting groove, and meanwhile, the cleaning gear ring is driven to rotate to drive the exhaust assembly to exhaust. The cleaning plate on the front valve plate is used for cleaning bristles of the brush plate, and finally the anti-blocking and self-cleaning purposes of the exhaust gate valve are achieved. Air on one side of the valve body assembly is exhausted through an exhaust head by means of the exhaust assembly, an iron core rod is driven to move by means of an exhaust floating ball, the change of the medium liquid level is converted into an electric signal capable of being monitored, the control system compares the electric signal with a preset value, and when the electric signal is at the maximum value, the valve plate assembly is automatically opened; therefore, the purposes of liquid level monitoring and automatic exhaust are achieved.

A breather for a reservoir as disclosed herein may comprise a housing, a first end, and a second end. The housing may have a standpipe for at least receiving an air flow containing oil. The first end may be configured for at least receiving the air flow containing oil into the standpipe. The second end may be located at an opposite side of the standpipe from the first end. The second end may be parallel to the first end and configured for at least emitting air from the standpipe. The standpipe may be substantially cylindrical in shape and include first and second protrusions integrally formed in an inner wall of the standpipe. The first protrusion may have a first protrusion peak and the second protrusion may have a second protrusion peak. The first protrusion peak and the second protrusion peak may extend in opposite directions and form an airflow distance.

The utility model discloses a fan coil, and particularly relates to the technical field of fan coils, the fan coil comprises a fan coil main body, two fans are arranged on the rear side of the fan coil main body, a coil is arranged in the fan coil main body, the water inlet end and the water outlet end of the coil are both located on one side of the fan coil main body, a tray is arranged below the fan coil main body, and the fan coil main body is arranged on the tray. Drainage hoses are fixedly arranged on the two sides of the tray, an exhaust channel is fixedly arranged on the rear wall in the tray, and an air outlet groove is formed in the front side of the exhaust channel. The exhaust channel is arranged in the tray, air at the fan is guided into the exhaust channel through the air guide pipe, the air entering the exhaust channel is finally blown to the inner wall of the tray through the air outlet groove, after condensate water is discharged, the inner wall of the tray is quickly dried, the tray is prevented from being rusted in a humid state, and the service life of the tray is prolonged. And the service life of the tray is prolonged.

The utility model discloses an integral type refrigeration compressor limiter, which comprises a connecting section, a buffer section and a vibration reduction section which are sequentially matched and connected, the connecting section is matched and connected with an exhaust valve seat, the buffer section extends along the direction of the connecting section and is bent upwards, a buffer piece is arranged in the middle of the buffer section, and the vibration reduction section is connected with the buffer piece. The surface of the bottom face of the buffering piece is in a protruding arc shape, the thickness of the vibration reduction section is sequentially increased in the direction from the buffering section to the vibration reduction section, and a damping material matched with the vibration reduction section is bonded to the vibration reduction section. According to the utility model, the slapping force of the exhaust valve plate can be buffered, the slapping energy is reduced, the buffer section vibrates after slapping, and the vibration and noise reduction effect is improved.

The utility model discloses a vent cap, which relates to the technical field of mechanical transmission box structures and high-pressure water pumps and comprises a vent cap body, a channel is arranged in the vent cap body, an oil blocking structure is fixedly arranged in the channel, and a seat plate is fixedly arranged on the periphery, close to the middle position, of the vent cap body. A ventilation cap is detachably and fixedly arranged at the end, away from the oil scale, of the ventilation cap body, a cavity is formed between the ventilation cap body and the ventilation cap, a ventilation water blocking structure is arranged between the ventilation cap body and the ventilation cap, and a gap is formed between the bottom of the ventilation cap and the top of the seat plate. The oil blocking structure can prevent engine oil in the oil tank from being discharged along with gas, and loss of the engine oil is avoided; the ventilation water-blocking structure is arranged between the ventilation cap body and the ventilation cap, external water can be prevented from entering the oil tank, and engine oil is prevented from being polluted.

An air valve includes a valve seat including a first hollow tube member defining a first air passage, a valve element including a first opening and a second hollow tube member defining a second air passage, and being at least partially arranged in the first hollow tube member, a valve cap at least partially arranged in the second hollow tube member and connected to the valve element by a first connecting strap, the valve cap including a first hand-held portion extending outwards along an edge of the valve cap, a valve diaphragm arranged in the second hollow tube member that opens and closes the second air passage, and a fixing ring including an annular part and a second hand-held portion extending outwards along the annular part, the annular part being arranged on the first hollow tube member and being connected to the valve element a second connecting strap.

A pressure-regulating valve for escaping a fluid inside an enclosure from an opening of the enclosure when internal pressure of the fluid rises. The pressure-regulating valve includes a cover part that includes a circumferential edge surrounding the opening in a plan view and that covers the opening, a seal part positioned between the circumferential edge of the cover part and a surface of the enclosure, an elastic member configured to generate urging force urging the cover part toward the enclosure in a first direction, and a base part that is fixed to the enclosure and that supports the elastic member such that the elastic member expands and contracts in the first direction.

A valve assembly includes a body engageable with a container, an internal cavity, and a vent outlet. A wall divides the internal cavity into a first chamber and a second chamber, the first chamber being between the bottom end of the body and the wall, and the second chamber being between the top end of the body and the wall, in communication with the vent outlet. An umbrella valve is coupled to the wall and has a central passage and an umbrella portion. The umbrella portion is positioned within the second chamber and is configured to engage a top side of the wall. The umbrella portion is configured to deform away from the top side of the wall to vent a gas along a first pathway from the first chamber to the vent outlet in response to pressure within the first chamber exceeding a cracking pressure of the umbrella valve.

The utility model relates to a burning-resistant fire-retardant breather valve which comprises a valve body, a fire arrester connecting flange is fixedly connected to the top of the outer side wall of the valve body, a fire arrester is installed on the fire arrester connecting flange, a fixing plate is fixedly connected to the bottom wall of the valve body, and a guide cylinder is fixedly connected to the bottom wall of the fixing plate. A flange base is fixedly connected to the bottom wall of the guide cylinder, a supporting cylinder is fixedly connected to the upper wall of the fixing plate located in the valve body, an exhalation valve disc assembly is arranged on the upper wall of the supporting cylinder, an inhalation valve disc assembly is connected to the exhalation valve disc assembly, and a supporting column is fixedly connected to the inner wall of the guide cylinder. A valve rod fixedly penetrates through the middle of the supporting column. Compared with the prior art, the device has the advantages that the occupied space and the weight are greatly reduced, the cost is saved, and the pressure of the storage tank can be automatically adjusted when the pressure of the storage tank is too large or too small, so that the storage tank is prevented from being damaged.

The present invention relates to the technical field of ship ventilators, and discloses an improved structure of a ship ventilator, wherein the guide rail assembly comprises a sliding column, the top of the sliding column is fixedly connected to a hollow shell, the outer wall of the sliding column is slidably connected to a sliding block 1, the outer wall of the sliding block 1 is fixedly connected to a connecting frame 2, the end of the connecting frame 2 away from the sliding block 1 is fixedly connected to a circular plate 1, the side of the sliding column away from the sliding block 1 is slidably connected to the sliding block 2, the outer wall of the sliding block 2 is fixedly connected to a connecting plate 1, the end of the connecting plate 1 away from the sliding block 2 is fixedly connected to a fixing plate, and the bottom of the fixing plate is fixedly connected to an annular plate by setting the guide rail assembly to prevent the exhaust port from being blocked due to the displacement of the connection caused by the strong wind and waves at sea.

The utility model provides a vehicle speed reducer and an automobile, the vehicle speed reducer comprises a speed reducer shell and a speed reducer body, one side of the speed reducer shell is sunken to form a labyrinth structure, the labyrinth structure is provided with an oil gas cavity, a ventilation channel and an overflow channel, and the ventilation channel and the overflow channel both communicate with the oil gas cavity; the vehicle speed reducer further comprises a labyrinth cover piece and a ventilation valve assembly, the labyrinth cover piece is arranged on the labyrinth structure in a covering mode, the labyrinth cover piece is provided with an air inlet channel, and the ventilation valve assembly is installed on the ventilation channel. A mixture of oil and gas in the speed reducer shell flows into the oil gas cavity through the gas inlet channel, the oil flows back into the containing cavity from the overflow channel, and the gas is discharged from the ventilation valve assembly. According to the vehicle speed reducer, the ventilation valve assembly and the labyrinth structure are integrated on the speed reducer shell, and the air tightness, the dustproof and waterproof performance and the compactness of the whole structure of the speed reducer are improved.

The present technology relates to a breather assembly. The breather assembly has an assembly body having a coupling structure configured to be coupled to a housing, an assembly opening, and an environmental opening. The assembly body is configured to define an airflow pathway between the assembly opening and an outside environment through the environmental opening. A conductive shield is coupled to the assembly body and disposed across the assembly opening. The conductive shield defines a portion of the airflow pathway. The conductive shield is configured to be in conductive communication with the housing in response to the coupling structure being coupled to the housing.

A pressure equalization apparatus comprises a main element, a sealing device, and a connection device for connecting the main element and the sealing device. The sealing device sealingly bears against the main element when the pressure equalization apparatus is in a closed state and is fixed relative to the main element via the connection device. A fixing connection between the main element and the sealing device which is formed thereby can be released in order to unblock a fluid connection between the interior of the pressure equalization apparatus and surroundings of the pressure equalization apparatus. The connection device comprises a spring element, the spring force of which acts in particular in a direction extending crosswise to an opening direction of the pressure equalization apparatus.

The invention relates to the field of automobile fuel tank valves, in particular to an exhaust valve suitable for a longitudinal compact fuel tank, which comprises a shell, a group of cavities are arranged in the shell, each cavity comprises a liquid inlet cavity, an air outlet cavity and a runner cavity, the bottom of each liquid inlet cavity is provided with a runner inlet extending out of the bottom of the shell, and the air outlet cavity is provided with an air outlet communicated with the outside of the shell; the runner cavity is communicated with the liquid inlet cavity and the air outlet cavity; a sliding cavity allowing the floating body to slide longitudinally is formed in the liquid inlet cavity, and the floating body is arranged in the sliding cavity; an exhaust port is formed in the upper end, corresponding to the sliding stroke of the floating body, of the liquid inlet cavity and communicates with the liquid inlet cavity and the flow channel cavity; the plug is movably arranged in the air outlet cavity, the plug blocks the opening between the air outlet cavity and the flow channel cavity in a natural state, and a first elastic element is arranged at the lower end of the plug so that the plug can elastically abut against the lower end of the opening. The leakage-proof performance and the longitudinal compactness of the exhaust valve can be improved, and the exhaust valve adapts to a longitudinal compact oil tank.

The present disclosure relates to the field of vehicles, and specifically provides a valve for a battery pack. The valve comprises: a valve bracket having a first opening located at one end and a second opening located at the other end; a breathable membrane that covers the first opening; and a piston that covers the second opening and includes a hole closed by an openable sealing portion. The present disclosure also discloses a battery pack using the above-mentioned valve. By using the above-mentioned valve, the pressure inside and outside the battery pack can be balanced, effective waterproof and dustproof can be achieved, and the pressure inside the battery pack can be more effectively controlled when it rises rapidly.

The utility model discloses a household electrical appliance with a washing water inflow prevention structure, which comprises an electrical appliance main body, the lower end of the electrical appliance main body is provided with a bottom cover assembly, and the bottom cover assembly is provided with a drain hole which is communicated with the inside of the electrical appliance main body and the outside and is used for draining water or ventilating. An electromagnetic valve assembly used for opening and closing the drain hole is arranged between the electric appliance body and the bottom cover assembly. The utility model has the advantage of preventing water from entering during water washing.

The utility model discloses a distributed round hole ventilation groove for fermentation of Pu'er tea, which comprises a fermentation box body, a plurality of ventilation round holes communicated with the inside are formed in the bottom of the fermentation box body; and the rectangular connecting plate is arranged at the bottom of the fermentation box body, and the top of the rectangular connecting plate is fixedly connected with a plurality of limiting cylinders matched with the ventilation round holes, and relates to the technical field of Pu'er tea fermentation. Through cooperation of parts such as the limiting cylinders, the limiting cylinders move upwards, when the ends of part of the limiting cylinders enter the inner sides of the ventilation round holes, the single-rod piston hydraulic cylinders stop moving, and at the moment, a small part of the ventilation round holes are blocked through the limiting cylinders, so that the leakproofness of the device is improved, and the service life of the device is prolonged. Contact between the tea leaves and oxygen is reduced, excessive fermentation of the tea leaves and decline of the quality of the tea leaves are prevented, and therefore the overall practicability of the device is improved.

A filling device (1) for a packaging machine (100) for filling bulk material (300) into a container (200) comprises a housing (2), a filling channel (3) formed in the housing, and a controllable channel shutter (4) for controlling the filling of bulk material into the container. The channel shutter (4) comprises at least one rotating closing element (6) which, in the installed state, is accommodated in a closing receptacle (5) in the housing (2), the closing receptacle (5) extending in the transverse direction (7) to the filling channel (3), through the filling channel (3) and at least partially through the housing (2). The closure part (6) comprises side walls (13, 14) and a closure element (15), the side walls (13, 14) in the closure receptacle (5) in the housing (2) being arranged outside the region of the filling channel (3), and the closure element (15) being arranged inside the closure receptacle (5) in the region of the filling channel (3). A circumferential seal (16) is arranged on the side wall (13, 14) for forming a seal between the side wall (13, 14) and the closed receptacle (5). Furthermore, a seal (19) is arranged on the closing element (15), perpendicular to the filling channel (3).