55 results about "Flapper" patented technology

A three degrees-of freedom robotic flapper includes a fuselage, the fuselage housing motors and driving trains, a left wing attached to the fuselage, and a right wing attached to the fuselage, the left wing and the right wing configured to perform a wing flapping motion, a wing twisting motion and a wing folding motion.

A scoop collector for court balls includes a container with an open front into which balls can roll through the open front. A push handle is operably connected to the container. A ball retaining device allows the balls to roll into the container and prevents the balls from rolling out of the container. The ball retaining device can include a plurality of flappers, an elastic cord, and / or a roller that extend(s) across the open front of the container. The container can be translucent and can be removably supported on a frame. The push handle can be secured in a fixed position by a hook. Wings can be provided adjacent the open front of the container to funnel balls into the container.

1. The name of the design product: air baffle valve. 2. The use of the design product: control element for air baffle valve, which is used to realize the functions of cut-off, conduction and control of flow in the system. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

To provide a standing lock device of a tip end side flapper in a platform of an underfloor storage type lifting device for a vehicle which is simple and robust in construction, has smooth and reliable operation, and ensures high safety and reduces cost.SOLUTION: In a platform of an underfloor storage type lifting device for a vehicle on which a tip end side flapper, standing automatically and locked at required angle except when grounding on a road surface, is deployed, it deploys by pivotally supporting a hook, providing a tip end engagement part engaging with the tip end side flapper on a tip end, to a tip end part of the platform so as to make it possible to rotate and at the same time a push plate linking with the hook is deployed on the tip end part of the platform so as to make it possible to rotate in a direction opposed to an urging direction by linking to a storage box when the platform is stored in the storage box deployed on the vehicle and it is configured so as to engage and lock the tip end side flapper by operation of the push plate and to release engaging and locking of the tip end side flapper on the contrary when the platform is pulled out of the storage box.SELECTED DRAWING: Figure 8

The application provides a gas sealing conveying screw, relates to the technical field of conveying screws, and aims to solve the technical problem in the prior art that the prior art cannot simultaneously realize material conveying and effective isolation of atmospheres in front and back spaces, and can only set rotary valves or flapper valves as gas lockers in front and back of the screw conveyor to prevent mutual flow of atmospheres in front and back, which needs to occupy a relatively large space, increases equipment, increases control logic, and has an undesirable effect. The device comprises a conveying main shaft, an outer cylinder, a spiral blade and a compression sealing area. The conveying main shaft, the outer cylinder, the spiral blade and the compression sealing area are used for actively isolating atmospheres when conveying materials containing volatile harmful gases, blocking the random flow of atmospheres, reducing the space occupied by the material conveying equipment, not needing to increase auxiliary equipment and control logic, improving the atmosphere isolation effect, preventing the mixing of harmful gases and air, and reducing the safety hazards of material conveying.

A flapper assembly for a flush valve for a toilet is provided. The flapper assembly may be reconfigurable to work with different sized or configured flush valve bodies. Further, the flapper assembly is configured to avoid the pull chain getting tangled around various components of the flapper assembly. Further yet, the flapper assembly is configured to minimize a spacing between a pivot point / axis about which the seal member may pivot relative to the frame of the flapper assembly and the seal face of the seal member.

The present application relates to the technical field of oil exploitation, in particular to a blowout preventer for oil drilling and a use method thereof, which comprises a main pipeline, an inclined surface block is fixedly connected to the inner side wall of the main pipeline, a flow pipeline is fixedly connected to the side surface of the side of the inclined surface block away from the inner side wall of the main pipeline, two sealing blocks are arranged on the outer side wall of the main pipeline, the two sealing blocks are symmetrically arranged and are connected to each other through bolts, and the bolt connection portions of the two sealing blocks are sleeved and communicated with the side wall of the main pipeline. The flow pipeline can be closed by using the first and second flappers, and in the process of closing, the flowing liquid flows to the upper port of the main pipeline through the plurality of through holes, and the force acting on the first and second flappers is much smaller than the force acting on the flow pipeline directly closed by the liquid impact.

1. The name of the design product: drip irrigation tape baffle disc. 2. The use of the design product: when used for drip irrigation tape, the baffle disc prevents the tape from scattering on both sides of the shaft and plays a guiding role. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

A check valve having a valve body (101), a valve cover (102), and a flapper valve assembly. The valve body comprises a valve housing (104) and a central bore (105) formed through the valve housing. The central bore has at least a first bore section (126), a second bore section (127), and a third bore section (128). A transition from the second bore section to the third bore section is radiused such that the inner surface of the central bore at the transition is a continuous surface. The flapper assembly is disposed in the central bore of the valve body and comprises a flapper (132), a valve seat (136), and a hinge.

The present disclosure relates to a flapper rearrangement tool to rearrange a broken flapper inside a tubing retrievable subsurface safety valve. The tool comprises a substantially cylindrical guiding portion having a first radius and a longitudinal axis. Further the tool comprises a tip portion at a first end of the tool for establishing initial contact with the broken flapper, wherein the tip portion is radially displaced outwards relatively to the longitudinal axis by a second radius. Moreover, the tool comprises a rearrangement portion for rearranging the broken flapper, wherein the rearrangement portion is arranged between the tip portion and the guiding portion and provides a contact surface for moving the broken flapper. Furthermore, the tool comprises a fastening means at a second end of the tool for fastening the tool to a support means that allows the tool to be inserted into the borehole.

The utility model belongs to the technical field of check valves, and discloses a horizontal baffle check valve which comprises a baffle check valve body, a filter assembly is arranged in an inner cavity of the baffle check valve body, a pop-up structure is arranged in the filter assembly, the filter assembly comprises a connecting ring, and the connecting ring is connected with the baffle check valve body. The outer side of the connecting ring is movably connected with the inner wall of the baffle check valve body in a sleeved mode. The connecting ring and the filter screen plate are arranged, the connecting ring is buckled out of the inner cavity of the valve body through the clamping groove, and when the filter screen plate is moved out of the inner cavity of the valve body, the push rod and the movable block are driven to move upwards through the elastic force of the second spring, so that the filter screen plate is popped out of the inner cavity of the groove, and an operator can conveniently take the filter screen plate out of the groove; and meanwhile, the cleaned filter screen plate is pressed into the groove, and the filter screen plate is driven to reset by resetting the connecting ring, so that the filter screen plate is convenient to disassemble and assemble by an operator, and the cleaning efficiency is improved.

A check valve assembly for a supply tube. The check valve assembly includes a hinge pin, a first flapper, and a second flapper. The first flapper is pivotally coupled to the second flapper by the hinge pin. The check valve assembly also includes a stopper positioned between the first flapper and the second flapper. The stopper is configured to limit movement of the first flapper and the second flapper. The check valve assembly also includes a plate assembly positioned downstream of the stopper. The plate assembly is configured to disrupt a vortex formed in a fluid flow through the first flapper and the second flapper.

The invention relates to the technical field of manual vacuum flapper valves, in particular to a manual vacuum flapper valve which comprises a valve body provided with a mounting opening, a first flange connector and a second flange connector. The hand wheel assembly is arranged outside the valve body; the valve plate is movably arranged in the valve body; the sealing seat is arranged in the valve body, and a mounting channel is formed in the sealing seat; the first end of the transmission rod penetrates through the mounting opening and extends into the valve body, and the second end of the transmission rod is connected with the hand wheel assembly; the lead screw is movably arranged in the valve body, and the lead screw penetrates through the mounting channel; one end of the lead screw is in threaded connection with the transmission rod, and the other end is connected with the valve plate; wherein the lead screw is provided with a first limiting structure, the mounting channel is provided with a second limiting structure, and the first limiting structure and the second limiting structure are matched with each other to form a rotation restraining mechanism which is used for limiting the lead screw to circumferentially rotate relative to the sealing seat.

A flapper assembly for a flush valve as well as method of assembly are provided. The flapper assembly includes a frame and multiple buoyancy assemblies attachable to the frame so as to adjust the buoyancy of the flapper assembly. The flapper assembly kit may have adjustable legs attachable to the frame. The flapper assembly kit may have multiple seal members for use in sealing with different sized / shaped valve seats of different sized flush valves.

The invention discloses a low-static-consumption single-nozzle baffle type pressure servo valve which comprises a sleeve, a coil assembly, a magnet assembly, an armature assembly, a nozzle baffle stage and a slide valve stage. The baffle can be tightly attached to the oil inlet nozzle by adjusting the position of the magnetic gap screw, oil entering from the oil inlet P reaches the front end of the oil inlet nozzle through the main oil filter and is cut off by the baffle, and at the moment, when the servo valve is in a zero-position non-working state, the pilot level almost has no leakage; when a product is in a working state, the number of oil inlet nozzles is reduced by half, and the pilot-stage internal leakage rate is greatly reduced. The anti-pollution capacity of the slide valve stage is obviously improved, and the oil return pressure stability is good.

The utility model discloses a kind of shaft seal pneumatic flashboard valve convenient to install, it is related to pneumatic flashboard valve technical field, including fixed assembly, connecting assembly and sealing assembly, the fixed assembly includes flashboard valve main body and fixed block, the fixed block is fixedly connected in the inside of flashboard valve main body, the connecting assembly is set in the outside of fixed assembly, the connecting assembly includes fixed plate and rotating groove, the rotating groove is set in the inside of fixed plate, the sealing assembly is set in the inside of fixed assembly, the sealing assembly includes screw thread disc, the screw thread disc is screw mounted in the inside of flashboard valve main body. The utility model is by being set in the fixed plate of flashboard valve main body connecting place, form rotating groove between two fixed plates, set flange plate in rotating groove, make flange plate rotate in rotating groove, when flange hole is not equal when connecting pneumatic flashboard valve, rotate flange plate to make it equal, it is convenient to connect flange hole.

A vent assembly for routing airflow between an interior of a building and an exterior environment is described. The vent assembly includes a vent member configured to extend through a wall or roof penetration and a mounting member configured to secure the vent member from an interior side of the building. The vent assembly may be installed entirely from inside the building and may include an integrated temporary or permanent vent cap. In certain embodiments, the vent member is adjustable in length to accommodate different wall or roof thicknesses and exterior finish materials. The vent assembly may be configured as a single-port or multi-port assembly, wherein multiple ducts are routed through a single exterior penetration while maintaining separation of airflow. The vent assembly may further include modular components, extension members, telescoping members, flappers, and protective mesh. The vent assembly is suitable for wall-mounted and roof-mounted applications and is compatible with exhaust and intake airflow.

An amusement machine includes a button deck (10). The button deck (10) includes a transparent support plate (13) and a display (12) together serving as a touchscreen, and a pushbutton switch (15). The pushbutton switch (15) includes an operable portion (20) attached to one surface of the transparent support plate (13), and a detector (30) attached to another surface of the transparent support plate (13) and facing the operable portion (20). The operable portion (20) includes a button (21) and a reflective flapper (26) movable in response to movement of the button (21). The detector (30) includes a reflective sensor (34) that detects the pressed state of the button (21) through the transparent support plate (13). The reflective sensor (34) emits light toward the reflective flapper (26) and receives light reflected by the reflective flapper (26).

The utility model discloses a novel chain transmission gate valve which comprises a frame, a plurality of sets of large chain link assemblies are installed on the lower half portion in the frame, a plurality of sets of small chain link assemblies are installed on the upper half portion in the frame, and inserting plates are arranged between the large chain link assemblies and the small chain link assemblies in a rolling mode. The adjusting mechanism is mounted on the frame and used for adjusting the position of the auxiliary shaft seat; the chain transmission mechanism is mounted on the frame and used for driving the insertion plate to move; the fixing mechanism is installed on the feeding bin and used for fixing a speed reduction motor driving the chain transmission mechanism to work, the structure is reasonable, the moving precision of the inserting plate can be effectively improved, and therefore the use requirement can be better met.

The utility model provides an anti-corrosion liquid level monitoring device, and relates to the field of chemical safety. The lower part of the buoy main body is fixedly connected with a first flange pipe; the upper part of the buoy body is fixedly connected with a second flange pipe; the positions of the second flange pipe and the first flange pipe are aligned; the front part of the buoy main body is fixedly connected with a turning plate box; a magnetic floater is slidably connected in the buoy main body; the top end face of the buoy body is fixedly connected with a pipe sealing plate. The bottom end face of the buoy body is fixedly connected with a fixing ring. A mounting plate is arranged at the lower part of the fixing ring; a blow-down valve is fastened and connected to the center of the bottom end surface of the mounting plate through a bolt. When the blow-down valve is disassembled, a user only needs to stir a fixing column and then drive a locking clamping frame to turn over through a series of transmission, so that the locking clamping frame is separated from a locking seat, then a worker can take down a mounting plate and the blow-down valve, and the problem that the worker needs to screw a plurality of bolts on a flange one by one in the process of disassembling the blow-down valve is solved. And the operation is relatively tedious.

A floating type waterproof valve comprises a shell, a valve part arranged on the shell, a pivot shaft, a first valve seat assembly and a second valve seat assembly. The valve part comprises a first arc-shaped face and a second arc-shaped face opposite to the first arc-shaped face. The first valve seat assembly comprises a first valve seat, a first blocking piece and a first elastic piece clamped between the first valve seat and the first blocking piece. The first elastic piece can elastically deform so that the first valve seat can move in the axial direction of the shell relative to the first blocking piece. The first valve seat is provided with a first sealing face matched with the first arc-shaped face. The second valve seat assembly comprises a second valve seat, and the second valve seat is provided with a second sealing face matched with the second arc-shaped face. The valve part is supported between the first valve seat and the second valve seat, and the valve part can float relative to the pivot shaft in the radial direction of the shell.

A façade system having moving flappers mounted using a support clip suspension system. A rung is generally triangular in cross-section having a front latitudinal slot, through which a support clip is inserted. The support clip has a pair of parallel arms connecting to each other by a transverse connecting member to be generally U-shaped. The support clip seats within the slot between the outer edge of the cap and the lower lip of the front edge, thus the flapper can be connected to the rung and held therein with the support clips secured within the slot. In the manner the flappers are hung and sway in response to wind to aid in the aesthetics of the façade.

A vent assembly, including a backplate having plurality of concentric cylinders arranged in an order of decreasing diameter, such that the concentric cylinders are separated by score lines and at least one of the cylinders is recessed from the backplate, and a vent flapper. The assembly may include a tube configured to attach to one of the cylinders and one or more tube stoppers to prevent the tube from being over inserted. The assembly may include a face plate, a tooth formed on the backplate, and a tooth receiver is formed on the face plate. The score lines may be dual-sided score lines. The assembly may include the vent flapper having one or more air intake openings formed within the vent flapper, such that the air intake openings allow air to flow both in and out.

The present invention provides a sheet transport device and an image forming apparatus that can suppress damage to the sheet caused by the flapper. [Solution] A sheet conveying device comprising: a first conveying path through which sheets are conveyed; a reversing conveying path that reverses the conveying direction of sheets conveyed from the first conveying path; a second conveying path through which sheets conveyed from the reversing conveying path are conveyed; a reversal switching unit that switches between a first position for guiding sheets from the first conveying path to the reversing conveying path and a second position for guiding sheets from the reversing conveying path to the second conveying path; and a drive unit that switches the reversal switching unit between the first and second positions, wherein the second position is a position in which the reversal switching unit does not block the second conveying path but blocks the first conveying path, and the first position is a position in which the reversal switching unit does not block the first and second conveying paths and allows sheets to be conveyed from the reversing conveying path to the second conveying path.

The invention relates to the technical field of valves, in particular to a long-service-life anti-alternating-load high-speed baffle valve which comprises a valve body, a valve element assembly, a driving module and a control module, the components are arranged in the valve body, and the control module controls the valve element assembly to move through the driving module; a telescopic pipeline of the valve element assembly is of a gradient wall thickness structure in the telescopic direction, the ratio of the wall thickness to the inner diameter of the telescopic pipeline is 0.001-0.1, the butt joint position of telescopic joints is in arc or sharp corner transition, the thickness change is in the form of equal-ratio gradual change and the like, and the baffle valve is opened and closed according to instructions of a control module. Impact loads can be dispersed, the anti-alternating impact service life is prolonged, the device adapts to various working conditions, the service life of a welding seam can be prolonged through arc transition, accurate control is achieved through multi-module cooperation, and the high-speed and long-service-life using requirements are met.

This utility model discloses an automatic sewage discharge device for aquaculture ponds, including a sewage discharge riser. The riser is connected to the outlet of a sewage pipe via a tee. A flapper-type check valve is installed at the outlet of the tee, with a flapper inside the valve body. A float is installed inside the riser, with a sealed top and several small holes at its bottom. The top of the float is fixedly connected to the top of the riser via a first rope, and the bottom of the float is fixedly connected to the free end of the flapper via a second rope. An air pipe for inflating and venting the float is connected to the top of the float, and the other end of the air pipe is connected to a solenoid valve for controlling its opening and closing. Under the upward buoyancy of the float, the second rope opens the flapper, connecting the sewage pipe to an external drainage ditch. The advantages are that it combines automatic and manual functions, avoids the risk of the aquaculture pond being emptied, and has a simple overall structure, facilitating daily maintenance and repair.

A throttle valve assembly according to an embodiment of the present invention comprises: a pipe-shaped flange having a channel formed therein; a flapper installed on the flange and adjusting an exhaust degree by rotation; and a first supporter and a second supporter coupled to the flange to support the flapper in a bidirectionally rotatable structure, wherein the flapper includes a flapper body having a flat plate shape, having a coupling hole formed therethrough along the central rotary axis, and having receiving spaces, which are formed on opposite sides of the central rotary axis, respectively, and through each of which a temperature-controlling fluid is circulated; a rod-shaped shaft coupled to the first supporter and the second supporter along the coupling hole and connected to a driving motor to transmit a driving force to rotate the flapper; and a fluid inflow and outflow channel formed on a side surface of the coupling hole to provide an inflow and outflow path of the temperature-controlling fluid.

A flapper assembly for a flush valve as well as method of assembly are provided. The flapper assembly includes a frame and multiple buoyancy assemblies attachable to the frame so as to adjust the buoyancy of the flapper assembly. The flapper assembly kit may have adjustable legs attachable to the frame. The flapper assembly kit may have multiple seal members for use in sealing with different sized / shaped valve seats of different sized flush valves.

To provide a portable toilet unit capable of preventing waste in a toilet tank from flowing back to a toilet bowl side during transportation to prevent the toilet bowl or its periphery from being soiled, and method for transporting the portable toilet unit.SOLUTION: A portable toilet unit 100 includes a toilet bowl unit 110 in a toilet room unit 101 forming a private room space. The toilet bowl unit 110 includes a toilet bowl 111 for relieving oneself and a toilet tank 130 provided below the toilet bowl 111 for storing waste. A flapper 140 for opening and closing a bowl outlet 117a is provided on the bowl outlet 117a of the toilet 111. Further, the portable toilet unit 100 includes a flapper lock body 150, the flapper lock mechanism for keeping the flapper 140 closed while the portable toilet unit 100 is being transported.SELECTED DRAWING: Figure 4