64 results about "Pneumatic Hose" patented technology

A detection system for remotely determining the speed of a rotating tool tip in a pneumatic dental handpiece. A means for detecting the speed of the rotating tool tip monitors a periodic mechanical function at the pneumatic hose connected to the handpiece. The monitored periodic mechanical function serves to provide feedback that is used to control the speed of the rotating tool tip. The means for detecting the speed of the rotating tool detects a mechanical function of the rotating tool tip, which in transmitted to a controller. The controller in turn regulates the operation of an air supply valve in response to the detected mechanical function. The valve regulates the flow of air to the handpiece. By continuously adjusting the flow of air through the valve into the pneumatic hose, the speed of the rotating tool is maintained at the desired cutting speed.

A self-contained pneumatic fastener driving tool that operates from a compressed gas canister supported by a local holder. The gas canister is either connected to the driving tool by a short pneumatic hose, in which case the gas canister is preferably secured to a belt or other device which is mounted on or attached to the user, or in some embodiments affixed to a local holder integrated into the driving tool, mounted alongside the handle of the tool, through the handle of the tool, or mounted directly to the drive head of the tool such that the gas canister itself serves as a handle for the tool. The gas canister provides a source of compressed gas sufficient for hundreds of strokes having the required percussive force, while not suffering from the constraints of attachment to an air compressor. The local canister holder may be expandable, to allow for canisters of different sizes and types to be mounted.

The invention provides a grabbing manipulator capable of turning over a box body. The grabbing manipulator is connected with the tail end of a rotating mechanical arm of a right-angle coordinate robot and comprises a supporting mechanism, a displacement adjusting mechanism, a clamping mechanism and a pneumatic control loop. The supporting mechanism is composed of a connecting arm, a fixed clamping plate and a fixing plate. The displacement adjusting mechanism is composed of a movable clamping plate, guide rods, guide sleeves, a pneumatic rod and a pneumatic cylinder. The clamping mechanism is composed of clamping round plates, a servo motor, a synchronous belt and a synchronous wheel. The pneumatic control loop is composed of a pneumatic hose, a direct acting pressure reducing valve and an electromagnetic control reversing valve. According to the grabbing manipulator capable of turning over the box body, the clamping force can be clamped in a whole joint mode through the pneumatic control loop so that grabbing of the heavy box body can be adapted; and the servo motor drives the synchronous wheel to rotate through the synchronous belt, the driving clamping plate can be controlled to forwards and reversely rotate by any angles, the driven clamping plate and the box body rotate along with the driving clamping plate, and hence the posture of the box body can be adjusted after the box body is grabbed by the clamping mechanism.

Roofing tool for shingle bundle stacking and plank walkway supports, comprising pairs of generally J-shaped jacks or support stands hinged at the upper ends which are draped over the roof ridge, providing J hooks on each side of the ridge line to hold shingle bundles, or support horizontal planks for walkways. The J-hook comprises a “foot” at a right angle to the leg, with a “toe” at a right angle to the foot. In the roof plank support, the toe includes a tip that extends back toward the leg. The foot may be reinforced by a brace between an extension of the leg and the outer end of the foot. A hose / cord minder, such as a snap hook or carabineer having a lateral closure member, is attached to the tool brace or foot to provide a keeper for pneumatic hoses, electrical cords, etc. A carry handle is an optional feature.

A detection system for remotely determining the speed of a rotating tool tip in a pneumatic dental handpiece. A means for detecting the speed of the rotating tool tip monitors a periodic mechanical function at the pneumatic hose connected to the handpiece. The monitored periodic mechanical function serves to provide feedback that is used to control the speed of the rotating tool tip. The means for detecting the speed of the rotating tool detects a mechanical function of the rotating tool tip, which in transmitted to a controller. The controller in turn regulates the operation of an air supply valve in response to the detected mechanical function. The valve regulates the flow of air to the handpiece. By continuously adjusting the flow of air through the valve into the pneumatic hose, the speed of the rotating tool is maintained at the desired cutting speed.

A plastic hose, and more particularly a pneumatic hose, is provided with at least two electrical conductors extending along the hose body. These conductors are in the form of strips (11 and 12) of a metallized braid of plastic material or of natural fiber with a spacing apart on the hose body (13). Accordingly high flexibility of the plastic hose (10) is achieved with satisfactory electrical conductivity of the strips ensuring safety as regards breakage.

An improvement to a striking bag for boxing or martial arts practice, which provides aural feedback to the user, as to the accuracy of strikes. Compressible pneumatic targets (10-A, 10-B, 10-C) are mounted partially into the side of a striking bag (9). Targets (10-A,10-B,10-C) are compressible both outside and inside the surface of the striking bag (9). When any of the pneumatic targets (10-A, 10-B, 10-C) are compressed by a strike, displaced air is driven into a pneumatic hose (34, 36, 38 respectively) which runs through the interior of the striking bag, connecting the pneumatic target to a whistle (12). Flexible washers on the inside (14) and outside (16) of striking bag (9) mount each pneumatic target (such as 10-A), onto striking bag (9). The inner washer (14), and outer washer (16), are connected through the surface of striking bag (9) by bolts (18,20,26, 28) and nuts (22,24,30,32). Alternate embodiments include pneumatic targets (10-D,10-E,10-F, 10-G,10-H).

A connecting device includes an inner tube having a plurality of elongate holes and a plurality of oval-shaped beads are movably engaged with the elongate holes. A plurality of openings are defined in an inner surface of the inner tube and communicate with the elongate holes respectively. A valve unit is movably located in the inner tube and includes a collar which removably closes the openings. An outer tube is movably mounted to an outer surface of the inner tube. An inlet member is connected to a first end of the inner tube. A part in short axis of each of the beads protrudes beyond the opening of the inner tube so as to provide a larger contact area with the head of hose when the head of hose is inserted into the inner tube to push the collar away from the openings.

A cord retainer (10, 100, 140, 160) for retaining cords such as electrical power leads (32) and pneumatic hoses in an elevated position above the ground or floor. The cord retainer (10, 100, 140, 160) has a flexible web (14, 146, 168) with holes (30, 148) dimensioned to receive a cord (32) and substantially retained it against longitudinal movement with respect to the web (14, 146, 168) to the extent that the cord (32) is substantially prevented from sliding longitudinally in the hole (30, 148) under the force of its own weight or during normal installation of the cord (32), in two spaced apart cord retainers (10, 100, 140, 160). A series of frames 170, 180 and 190 are also provided for attaching the cord retainer (10, 100, 140, 160) structures on building and construction sites.

The present invention relates to a moving device for vacuum absorption, wherein: the invention is operated smoothly for equipment functions of which is infinitely and repeatedly rotated in order to move a product such as a large-scale plate glass or a board or the like; and a pneumatic hose is replaced in a very easy and fast manner when the hose has to be replaced due to damage or a worn-out state, thereby largely improving performance of the equipment. The moving device for vacuum absorption of the present invention comprises: a lifting unit (200) which performs an air balancing function; a vacuum absorption unit (220) which is configured to vacuously absorb a transferred object; and a tilting unit (260) which is configured to slopingly drive said vacuum absorption unit (220), wherein: said lifting unit (200) includes a lift cylinder (30); said lift cylinder (30) includes a lifting shaft (20), a lifting piston (22), and an embedded pneumatic hose (10); said embedded pneumatic hose (10) has, in an integrated shape, a straight pipe unit (12) positioned on a straight line and a coil-shaped coil unit (11) which is increased or compressed by being succeeded with said straight pipe unit (12); a lower end of the coil unit (11) is exposed to the outside through a penetration hole (37) vertically pierced on a lower end cap (36) of the lift cylinder (30), so that the lower end is connected with a pneumatic circuit unit; and an upper end of the straight pipe unit (12) is exposed to an upper end of the lifting shaft (20) through a penetration hole of the lifting piston (22) and a shaft hollow portion (21) of the lifting shaft (20), so that the upper end is combined with a rotary joint (34) and is connected to an external vacuum motor.

A hollow double-acting cylinder assembly may be mounted over a shaft and to a housing. A moveable piston of the cylinder assembly connects to a sliding sleeve of an over-center mechanism and the sliding sleeve with a thrust bearing allowing it to push and pull the sleeve mechanism with cylinder action. A toggle action of the over-center mechanism locks clutch without the need to sustain pressure on the cylinder after engagement / disengagement motion. As the clutch is typically engaged for sustained periods of time, this prevents constant hydraulic pressure applied to the over-center mechanism and significantly reduces wear. Hydraulic / pneumatic hoses may pass through the housing and connect to engage and disengage bores of the cylinder via remotely actuated control valve(s).

A connecting device includes an inner tube having a plurality of elongate holes and a plurality of oval-shaped beads are movably engaged with the elongate holes. A plurality of openings are defined in an inner surface of the inner tube and communicate with the elongate holes respectively. A valve unit is movably located in the inner tube and includes a collar which removably closes the openings. An outer tube is movably mounted to an outer surface of the inner tube. An inlet member is connected to a first end of the inner tube. A part in short axis of each of the beads protrudes beyond the opening of the inner tube so as to provide a larger contact area with the head of hose when the head of hose is inserted into the inner tube to push the collar away from the openings.

The invention discloses a preparation method of a polyacrylonitrile nano fiber film and thermoplastic polyurethane composite material. The method comprises the steps that a polyacrylonitrile nano fiber film is prepared through an electrospinning method, and a polyacrylonitrile nano fiber film reinforced thermoplastic polyurethane composite material is prepared through an impregnation method by taking a nanofiber membrane as an reinforcement. Accordingly, the preparation technology is optimized systematically, and a preparation method of the polyacrylonitrile nano fiber film reinforced thermoplastic polyurethane composite material is formed, and the bearing capacity of the composite material in the exogenic action is adjusted by controlling directional arrangement of fibers in the polyacrylonitrile fiber film. The composite material can be used for improving the characteristics of tension, tensile strength, elongation, toughness and the like of pure thermoplastic polyurethane materials,and the composite material can be used for fire-prevention pipe linings, oil delivery pipe pneumatic hoses, wires, cables, cable jackets and the like.

The invention discloses a marine emergency anti-sinking and anti-overturning airbag, which comprises an airbag module and an inflator. The airbag module includes a bag body, a base, an outer coating and an inflation hose. It is filled with high-pressure nitrogen, and the piping system includes a high-pressure nitrogen main pipe, a pressure reducing valve, a one-way valve, a solenoid valve and an inflation hose connector. , inflatable hose joint and inflatable hose; through the above technical scheme, the device is less difficult to modify the ship, and the feasibility of the project is higher; the change to the hull is small, and the normal navigation of the ship will not be affected after the modification. It has little impact on the original performance of the ship; the device has simple structure, reliable operation and low cost, and is suitable for popularization.

A pneumatic plug is used to seal off a pneumatic pressure source from a pneumatic pressure seed meter. The pneumatic plug comprises an annular rim defining an annular cavity, a insert portion and a sealing wall. The plug is an integral rubber body. The insert portion is inserted into a pneumatic hose supplying pneumatic pressure to the seed meter. The annular rim defines an annular cavity into which the pneumatic inlet of the seed meter is received. The annular cavity is provided with two inwardly extending sealing ridges that engage the outer sidewalls of the pneumatic inlet. The sealing wall provides a pneumatic seal for the pneumatic hose.

A safety line hose to which a worker can be attached and which includes a passageway for communicating an air compressor with a pneumatic tool. The safety line includes an elongated flexible pneumatic hose, an elongated flexible tubing enveloping the pneumatic hose, and an elongated, flexible, wear resistant sheath enveloping the tubing. A compressor air hose connector is attached to the end of the pneumatic hose located at the first end of the safety line hose, and is adapted to be connected to the outlet of an air compressor hose. A pneumatic tool connector is attached to the end of the pneumatic hose located adjacent the second end of the safety line hose, and is adapted to be connected to a pneumatic tool. A fastening member is attached to the first end of the safety line hose and is adapted to be releasably fastened to a safety line attachment member.

The invention discloses a car washing device with pneumatic hoses. The car washing device with the pneumatic hoses comprises a pneumatic hose module and a supporting seat, wherein an air compressor, a high pressure water pump and a washing liquid distributing machine are arranged in the supporting seat; the pneumatic hose module comprises a brush seat and the hoses; a first water spraying nozzle and a washing liquid nozzle are formed in the middle of the bottom surface of the brush seat; second water spraying nozzles are uniformly formed in the two sides of the bottom surface of the brush seat; the hoses are uniformly distributed in the middle of the bottom surface of the brush seat; water spraying nozzles, water suction openings and air blowing nozzles are formed in the shell surface of the brush seat, respectively; a connecting module convenient for the pneumatic hose module to be movably placed is arranged between the pneumatic hose module and the supporting seat; and the connecting module comprises a first hydraulic cylinder, a second hydraulic cylinder, a swinging arm I and a swinging arm II. After the technical scheme is adopted, the automatic car washing device disclosed by the invention is advantaged in that a car can be preferably washed in one step, paints on the surface of the car cannot be damaged due to a too hard brush while cleanliness is guaranteed, the car washing device can expand, retract and rotate and the car washing device is convenient in use.

The invention provides an intelligent negative-pressure air suction and collection device, which comprises a vacuum pump, a vacuum pressure regulating valve, a vacuum two-way valve, a vacuum filter and a vacuum collection cavity which are sequentially connected through pneumatic hoses. The device further comprises a two-way valve controller which is in control connection with the vacuum two-way valve. The vacuum pressure regulating valve is used for controlling the flow of air flowing into a system, a pressure sensor used for sensing the quality of tea buds collected in the vacuum collecting cavity is arranged at the outer bottom of the vacuum collecting cavity, the vacuum pressure regulating valve and the pressure sensor are connected with an upper computer separately, and the upper computer is in control connection with a two-way valve controller. When the air flow and the quality of tea buds collected in the vacuum collecting cavity reach preset values, the vacuum pressure regulating valve and the pressure sensor send signals to the upper computer, and then the upper computer sends instructions to the two-way valve controller to control switching-on and switching-off of the vacuum two-way valve. The intelligent negative-pressure air suction and collection device is small in mass and size, the tea buds can be automatically sucked for several times per second, and the collection device is convenient to carry.

The invention relates to a rubber hose reel device. The rubber hose reel device comprises a rubber hose, a reel, a coil spring, a ratchet wheel limiting mechanism and a valve body; the rubber hose is wound on the reel, and the liquid outlet end of the rubber hose is connected with an oil gun; the valve body comprises a valve seat and a valve core, and the valve core is provided with a liquid inlet; and the rubber hose is a coaxial double-layer rubber hose comprising a core cavity and an interlayer cavity, the core cavity is a gas path, and the interlayer cavity is a liquid path. The rubber hose reel device further comprises a liquid-gas separator; the valve seat, the valve core and the liquid-gas separator are each internally provided with a gas path and a liquid path; the inner ends of the gas path and the liquid path which are arranged in the valve seat and the inner ends of the gas path and the liquid path which are arranged in the valve core communicate correspondingly; the outer end of the gas path arranged in the valve seat communicates with a gas path arranged in an oil-gas separator through a pneumatic hose; the outer end of the liquid path arranged in the valve seat communicates with the liquid path arranged in the liquid-gas separator through a hard bent pipe; the core cavity and the interlayer cavity of the rubber hose communicate with the gas path and the liquid path which are arranged in the liquid-gas separator correspondingly; and the outer port of the gas path arranged in the valve core communicates with an external negative pressure source. The rubber hose reel device has an oil-gas separation function, so that the energy saving and environment friendly effects are achieved, and national development requirements are met.

In the broader aspects of the invention, there is provided a cleaning tool for electrically and pneumatically powered surgical instruments having either a pneumatic hose connector or an electrical plug connector thereon comprising a tool body having opposite ends. An instrument connector is at one of the ends. A handle is at the other of the ends. The handle allows positive control of the positioning of the surgical instrument and positive control over both axial movement and rotary movement of the instrument during cleaning. The instrument connector of the cleaning tool provides a secure mechanical connection to the surgical instrument and a hermetic seal between the body of the tool and the body of the instrument utilizing the existing pneumatic hose or electrical plug connector structure of the instrument in a new and novel manner whereby the surgical instrument may be cleaned, scoured and disinfected without damage to the instrument or unnecessarily exposing the handle or the instrument to the cleaning and disinfectant agents utilized or the unintentional separation of the tool and the dropping of the instrument.

The invention discloses an elbow joint rehabilitation device, which comprises a base, a first support plate and a second support plate vertically arranged on the base, a forearm support plate is connected to the first support plate, and a forearm support plate is connected to the second support plate. A rear wall support plate is provided, and an inflatable bag is arranged on the forearm support plate. One end of the inflatable bag is fixed, and the other end can be automatically retracted. The inflatable bag is provided with a forearm placement plate and an inflatable hose. One end of the tube is connected with the inflatable bag, and the other end is connected with a pedal pump. The inflatable hose is provided with a control valve, and the forearm is lifted by the reciprocating transmission of gas between the inflatable bag and the pedal pump. And whereabouts to carry out rehabilitation training, thereby achieving the effect of simple structure, energy saving, convenient use and convenient operation.

A pneumatically actuated computer input device comprises an input device circuit member having a hollow body, at least one switch member within the hollow body adapted to send electronic signals to a computer terminal, and a pneumatic actuator within the hollow body adapted to be inflated and press against and activate the at least one switch member. A pneumatic hose connected at a distal end to the pneumatic actuator and extending outward from the hollow body at a predetermined length and adapted to supply air thereto, and a foot pedal connected to the pneumatic hose at an opposite end from the distal end and adapted to control the air supply through the pneumatic hose and to the pneumatic actuator, such that when the foot pedal is pressed the pneumatic actuator is filled with air, expands, and presses against the at least one switch member which then sends an electronic signal to the computer terminal.

The invention discloses a drawer-type switch cabinet with an arc extinguishing device, and the switch cabinet comprises a cabinet body which is provided with a plurality of grooves, wherein the interior of each groove is provided with a static contact; a plurality of drawers which are arranged in the groove of the cabinet body, wherein moving contacts are arranged on the sides, making contact withthe static contacts, of the drawers, moving contact connectors are arranged on the sides, opposite to the sides connected with the drawers, of the moving contacts, and the moving contacts are connected with the static contacts in an inserted mode; a travel switch which is arranged at the bottom end of the moving contact connector and is used for controlling the operation of the arc extinguishingdevice; an arc extinguishing device which is arranged on the static contact and is used for extinguishing an arc generated when the moving contact and the static contact are separated; and a pneumatichose which is connected with the arc extinguishing devices on the plurality of drawers, wherein one end of the pneumatic hose, which is not connected with the arc extinguishing devices, is connectedwith an air storage tank. By removing the interlocking mechanism, the equipment cost and the operation complexity coefficient are reduced, and by arranging the arc extinguishing device, the equipmentis prevented from being damaged by electric arcs.

The invention discloses a gas suction pump type detection apparatus for edible fungus house carbon dioxide. The gas suction pump type detection apparatus comprises a temperature and humidity detectiondevice, which is connected to an edible fungus house through a pneumatic hose, wherein a temperature and humidity detector is arranged inside the temperature and humidity detection device, the temperature and humidity detection device is provided with a through-connection valve, the through-connection valve is connected to a three-way pipe through a pipeline, the pipeline penetrates through a condensing device, one side of the three-way pipe is connected to a moisture filtering structure, one end, away from the three-way pipe, of the moisture filtering structure is provided with a plug, the other side of the three-way pipe is connected to a precise detection device, and a carbon dioxide sensor and a gas suction pump are arranged inside the precise detection device. According to the present invention, with the edible fungus house carbon dioxide suction pump type detection apparatus, the influence of the gas humidity on the measurement result can be reduced, and the error caused by theexcessive air flowing can be overcome so as to improve the accuracy of the detection result.