328 results about "EXTENSION TUBES" patented technology

A vascular access instrument advancement device may include a housing and an extension tube extending through the housing. The extension tube may extend through the housing. The extension tube may include a first lumen and a second lumen. A blood collection pathway may extend through the first lumen. A wedge may be disposed within the housing and the second lumen of the extension tube. A pair of opposing pinch members may be configured to pinch the extension tube. The pair of opposing pinch members may be disposed within the housing proximal to the wedge and configured to move along the extension tube with the housing. An instrument may extend distally from the wedge. The instrument may be disposed within the second lumen. In response to moving the housing distally along the extension tube, the pair of opposing pinch members push the wedge distally and the instrument is advanced distally.

The invention belongs to the technical field of geothermal energy development and utilization, and particularly relates to efficient extraction equipment for a deep geothermal exploitation well, which comprises a plurality of water pumping devices, the plurality of water pumping devices are sequentially communicated in series through a plurality of extension pipe fittings, and the water pumping device close to a wellhead is fixedly connected with a steel wire rope on hoisting equipment; the water pumping device comprises a water pumping mechanism, a well cementation assembly and a guide mechanism, the outer wall of the water pumping mechanism is sleeved with the well cementation assembly, the well cementation assembly is used for making friction contact with the well wall so as to keep the working position of the water pumping mechanism in a well, and the guide mechanism is arranged at the bottom end of the water pumping mechanism and used for guiding the water pumping mechanism to work. And the guide mechanism is used for smoothly lowering the water pumping mechanism into the well and keeping the water pumping mechanism coaxial with the well body. It is guaranteed that the water pumping mechanism is stably fixed in a well, smoothly lowered to the bottom of the well and always coaxially positioned with the well body, and the stability of extraction operation is improved.

The utility model discloses a hoisting clamp for long pipe transportation, and belongs to the technical field of pipeline transportation. The clamp comprises a pair of clamping arms, and each clamping arm comprises an adjusting groove and a supporting pipe bracket; the connecting rod comprises a fixing rod, the two ends of the fixing rod are hinged to the clamping arms through bolts, the connecting rod further comprises an adjusting rod, and the adjusting rod is hinged to the adjusting grooves in the two sides in a sliding mode; the adjusting screw rod is arranged between the fixed rod and the adjusting rod, and a fastener is arranged outside the adjusting screw rod in a surrounding manner; and a long pipeline. According to the hoisting clamp for long pipe transportation, the clamping arms on the two sides are connected through the connecting rods, the arm unfolding angles of the clamping arms are controlled through the adjusting screw rods, the supporting pipe bracket and the jacking bracket jointly wrap a pipeline and are locked through the fastener, the truss lifting hook penetrates through the lifting hole to conduct hoisting, the clamping arms can be accurately adjusted according to the diameter of the pipeline, it is ensured that the pipeline is attached to the supporting component, and therefore the hoisting efficiency is improved. And the supporting pipe bracket and the jacking bracket adopt cambered surface design, so that the pipeline is uniformly supported, and the service life of the pipeline is prolonged.

The invention discloses multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining, and belongs to the field of paint spraying equipment. The multi-angle anti-corrosion paint spraying equipment for spiral steel pipe machining comprises a circular ring, block bodies are arranged on the two sides, close to a fixing frame, of the circular ring, the circular ring is slidably connected with the fixing frame through the block bodies, an inner cavity is formed in the circular ring, a necking pipe is fixedly connected into the inner cavity, a fixing block is fixedly connected to the inner wall of the circular ring, and a through hole is formed in the fixing block. A motor is fixedly connected to the outer side of the fixing block, a ball is rotationally connected into the through hole, the output end of the motor is fixedly connected with the ball, a middle pipe is fixedly connected to the outer side of the ball, a circular hole is formed in the outer side of the end, away from the middle pipe, of the ball, and a feeding pipe is fixedly connected to the middle of the bottom of the circular ring. By starting the motor on the outer side of the fixing block, the motor drives the ball to rotate in the through hole, and the middle pipe, the extension pipe and the spray head are driven to rotate to a preset spraying angle.

This application provides a tea tray drainage accessory, including: an air vent valve, a lid, or a water bucket. The air vent valve controls the air release from the water bucket. When the water level reaches a control point, it reduces the air release from the water bucket or shuts off the air vent, creating positive pressure inside the bucket to prevent water from the hose from flowing into the bucket. It automatically shuts off when the water is full. A pressure relief button releases the pressure inside the bucket and indicates whether the bucket is full. An extension tube prevents air from being ejected from the tea tray. The water inlet is located on the lid or top of the water bucket to avoid air resistance, automatically draining water from the tea tray into the water bucket. An inner connector has a switch to prevent water from the tea tray from flowing out of the hose. The air vent valve has a through hole with a movable pin inside. A float is located below the movable pin, and a pressure relief button is located above the movable pin. When the water level in the bucket pushes the float upward, the movable pin moves upward in the through hole, reducing the air release from the water bucket or shutting off the air vent. The pressure inside the bucket increases, preventing water from the hose from flowing into the bucket.

The utility model discloses an anti-splashing breathing machine extension tube which comprises a sealing device. One end of the elastic element is connected with the sealing device; the sleeve is connected to the outer part of the elastic element in a sleeving manner; one end of the sleeve is connected with the sealing device; the air inlet assembly is communicated with the outer side of the sleeve; the ventilation pipeline is located in the sleeve, and the ventilation pipeline is connected with the other end of the elastic element; the one-way valve structure is arranged on the inner side wall of the end, close to the elastic element, of the ventilation pipeline and used for communicating the sealing device, the elastic element and the ventilation pipeline to form a first channel; the connector is of a cylinder structure with one end opened, a containing groove is formed in the cylinder structure, the connector is connected to the outer portion of the ventilation pipeline in a sleeving mode through the containing groove, and the end face of an opening of the connector is connected with the sleeve. By arranging the sealing device and the one-way valve structure, the situation that pollutants are splashed in the trachea intubation process can be avoided; in addition, through mutual cooperation of the air inlet assembly, the elastic element, the ventilation pipeline and the sleeve, functional adaptation and full-automatic switching in all modes can be achieved.

The utility model provides an anti-coagulation tube auxiliary bending connecting device which comprises a sticking piece, the back face of the sticking piece is provided with mucilage glue, and the front face of the sticking piece is provided with a rotating disc. A joint is arranged on the turntable, an auxiliary bending sleeve is arranged at one end of the joint, an extension tube is arranged at the other end of the joint, and more than one transverse buckle and more than one longitudinal buckle are arranged around the center of the sticking sheet; the transverse buckle and the longitudinal buckle can be clamped with the outer diameter of the auxiliary bending sleeve or the extension pipe in a matched manner; one end of the anti-coagulation tube is connected with a human body, and the other end of the anti-coagulation tube penetrates into the auxiliary bending sleeve and then is connected with one end of the connector in an inserted mode. The utility model solves the technical problems in the prior art that the anti-coagulation tube is easy to separate from the joint due to elastic force generated by bending the anti-coagulation tube, and the joint is easy to press the skin to cause pressure sores.

This utility model discloses a color-coded multi-functional tee and extension tube connection device, including a straight-through multi-way valve and a first extension tube. The straight-through multi-way valve has a first port, a second port, and multiple bypass ports. The first port and the second port are located at opposite ends of the straight-through multi-way valve. The multiple bypass ports are spaced apart axially along the straight-through multi-way valve. The first extension tube is fixedly connected to the first port. The straight-through multi-way valve is equipped with multiple switch knobs, each corresponding to one of the multiple bypass ports, used to control the opening and closing of the corresponding bypass port. Each switch knob is marked with a different color. This color-coded multi-functional tee and extension tube connection device enables intuitive differentiation of multiple bypass ports, improves identification, and enhances medical safety and emergency response efficiency.

The present application relates to the technical fields of anti-choking drinking water control, and provides an anti-choking drinking water control method and device, which comprises a cup body, a cup cover connected to the top side of the inner wall of the cup body through a sealing ring, an adjusting cavity fixedly connected to the bottom end of the cup cover, an extension pipe connected to the bottom end of the adjusting cavity through a splicing assembly, a gravity ball fixedly connected to the bottom end of the extension pipe, a through hole for ensuring water flow on the outer wall of the gravity ball, a suction nozzle fixedly connected to the top end of the cup cover, a rubber pad slidingly connected to the inner wall of the adjusting cavity, and a connecting pipe fixedly connected to the top end of the rubber pad. Through the threaded transmission cooperation of the spiral sleeve and the spiral rod, the rubber pad is vertically slid in the adjusting cavity, and then the blocking ball is opened under the negative pressure generated by the appropriate suction force, the waterway is opened under the negative pressure generated by the appropriate suction force, and the blocking ball quickly falls to block the bottom end of the adjusting cavity when there is no negative pressure, so as to avoid the free flow of residual water and realize the flexible adjustment of the suction force.

This utility model discloses a practical adjustable wrench with a vertical handle, comprising a wrench body and an extension sleeve. The wrench body includes a wrench head, a fixed jaw integrally connected to the top of the wrench head, a movable jaw slidably connected to the other side of the top of the wrench head, and a handle integrally connected to the bottom of the wrench head. The extension sleeve is fitted onto the outside of the handle and is threadedly connected to the handle. A detachable handle is installed at the bottom of the extension sleeve. A connecting rod is rotatably connected inside the handle. The bottom of the connecting rod passes through the bottom of the handle and has a knob fixed at its end. The top of the connecting rod is placed inside the wrench head. A transmission mechanism is provided between the connecting rod and the movable jaw. The operation logic of installing the extension sleeve after adjusting the opening avoids the inconvenience of carrying the entire long handle into a narrow space, which is a traditional tool, and significantly improves the flexibility of initial positioning. The threaded connection structure between the extension sleeve and the handle forms a rigid whole.

The utility model provides a pouring device for steam pressurized concrete block production, which comprises a grouting tank, a discharging hopper is arranged at the discharging end of the grouting tank, the pouring device comprises a pouring pipe, the feeding end of the pouring pipe is communicated with the discharging hopper, and an extension pipe is inserted in the periphery of the pouring pipe; the utility model relates to the technical field of pouring devices, an output end of a telescopic piece drives a connecting rod to move downwards, the connecting rod is connected with a discharging end of an extension pipe, the extension pipe drives the flow dividing shell to extend into a cavity of an external mold so as to shorten the falling distance of slurry, and slurry outlets are formed in the two ends of the flow dividing shell. The connecting rod drives the flow dividing shell to move downwards into the inner cavity of the forming mold, slurry splashing is prevented by changing the discharging height of the slurry injection tank, the situation that splashed slurry is solidified around the mold and inconvenient to clean is prevented, and waste of the slurry is reduced.

The invention relates to the field of gas-liquid uniform mixing equipment, and discloses a gas-liquid uniform mixing device for a multiphase multiphase pump, which comprises an outer shell sleeve, an outer shell and an inner shell, the outer shell sleeve is arranged on the outer wall of the upper end of the outer shell, the inner shell is coaxially arranged in the outer shell, the outer shell is provided with a baffle plate, the inner wall of the outer shell is provided with a guide plate, and the middle part of the lower end of the outer shell is provided with an extension pipe. A perforated pipe is arranged on the outer wall of the inner shell, an opening is formed in the upper end of the perforated pipe, a gap is formed between the inner wall of the perforated pipe and the outer wall of the inner shell, a plurality of jet flow holes are formed in the outer wall of the perforated pipe, and a concave pipe is arranged at the lower end of the perforated pipe and extends into the lower end of the inner shell; the spiral flow guide plate can remarkably prolong the motion path and the retention time of fluid, the jet flow holes formed in the outer wall of the porous pipe can enable a liquid phase to enter a gap between the inner wall of the porous pipe and the outer wall of the inner shell in a high-speed jet flow state, strong shearing force and a negative pressure adsorption effect are formed, and a gas phase obtained after preliminary separation is efficiently sucked into the gap; and secondary mixing of gas and liquid is realized.

The application relates to a landslide deep displacement monitoring device, which comprises a inclinometer tube, the inclinometer tube comprises a main pipe body and an extension pipe body connected through a connecting structure, the connecting structure comprises a necked part extended on the main pipe body, a deformable mounting part extended on the extension pipe body and a locking plate movably connected in the necked part, and the mounting part is sleeved outside the necked part; a deformable clamping block is fixed on the side wall of the necked part, a clamping groove for clamping and positioning the clamping block is arranged on the mounting part; the locking plate is driven by a movable structure to pass through outside the necked part and is inserted and positioned in the mounting part. The main pipe body and the extension pipe body are connected to obtain the required length of the inclinometer tube, the main pipe body can be fixed first during installation, the extension pipe body is preliminarily positioned by the cooperation of the clamping block and the clamping groove, and finally the insertion of the locking plate; the convenience of the extension inclinometer tube is improved during the displacement detection in the deep part of the landslide, and the difficulty of installing the inclinometer tube in the drill hole is reduced.

The utility model provides a shower faucet equipped with a universal extension pipe. The shower faucet comprises a shower main body, a shower hose and the universal extension pipe, the shower body is provided with a shower head water outlet connector, a faucet water outlet connector and a control switch, and the control switch controls the shower head water outlet connector or the faucet water outlet connector to discharge water. The water inlet end of the shower hose is assembled at the shower water outlet connector, and the handheld shower is installed at the water outlet end of the shower hose. The water inlet end of the universal extension pipe is assembled at the faucet water outlet connector, the water outlet end of the universal extension pipe faces downwards, and when the universal extension pipe is used, the universal extension pipe can be deformed at will, so that the water outlet is lengthened and lowered, and the water outlet position can be adjusted. According to the shower faucet provided by the utility model, the faucet water outlet joint is provided with the universal extension pipe, so that the problems of water splashing and temperature loss caused by high water outlet can be solved, and the position of the water outlet can be flexibly adjusted by utilizing the deformable characteristic of the universal extension pipe.

Disclosed herein are various examples of a cage device or apparatus for protecting an extension tube of a tubular skylight in a ceiling of a building. In one example, the cage device may include a plurality of lateral members surrounding the extension tube, the lateral members having a perimeter larger than the perimeter of the extension tube, the lateral members spaced apart along the extension tube; a plurality of vertically oriented elongated side members positioned around the perimeter of the extension tube, each side member attached to a portion of one of said lateral members, each side member having a top end portion that includes a protrusion for secure attachment to the roof or to the ceiling or the building; and a plurality of bottom members connected horizontally across one of said lateral members. Other embodiments are also disclosed.

The application discloses a construction method of a non-reverse excavation type outlet pipeline of a cast-in-place pipe gallery, in the process of the construction of the comprehensive pipe gallery, the construction of the transverse connecting channel is simultaneously performed, and the prefabricated well section is installed in the connecting channel to form the outlet well, and the comprehensive pipe gallery, the connecting channel and the outlet well form the through outlet channel, so that compared with the prior art, the main structure of the pipe gallery is not damaged, the service life of the main body of the pipe gallery can be prolonged, meanwhile, the waterproof structure is arranged at each connecting position of the outlet well, the risk of leakage can be further reduced, and the construction period and the construction cost can be greatly reduced compared with the prior art.

The invention relates to a steering system (10) for a motor vehicle comprising a steering shaft (11), an extendable outer tube (12), and an extendable support (13), wherein the steering shaft (11) is rotatably mounted in the extendable outer tube (12). The extendable outer tube (12) is longitudinally adjustable within the extendable support (13). A magnetorheological brake (18) is arranged in the extendable outer tube (12) and is configured to act between the extendable outer tube (12) and the steering shaft (11). The extension tube (12) has in a first longitudinal section (16) a plurality of external sliding bearing zones (14) distributed around the circumference of the extension tube (12) for longitudinally sliding bearing of the extension tube (12) relative to the extension carrier (13) and a plurality of internal press-fit zones (17) distributed around the circumference of the extension tube (12) for mounting the magnetorheological brake (18).

The utility model relates to a steering clamp for processing a pneumatic valve seat, which comprises an indexing chuck arranged on a lathe spindle, a steering shaft arranged on the indexing chuck and used for adjusting the angle of the valve seat, a pressing rod used for clamping the valve seat, an adapter seat, a separation blade and a locking screw, the utility model aims to enable the inner hole of the valve seat to face the cylindrical part manually or by a manipulator, enable the extension pipe to be close to the outer side of the baffle plate, enable the valve seat to be connected with the bottom plane after the valve seat is pressed downwards, rotate the valve seat and enable the extension pipe to abut against the baffle plate, thereby completing positioning, and then control the pressing rod to press downwards. The valve seat is completely fixed on the adapter seat, so that the clamped valve seat is accurately positioned, the operation mode of disassembling and assembling the valve seat is simple, and the requirement of batch production is met.

The invention discloses a plug-in blowout wellhead crude oil collecting device. The plug-in blowout wellhead crude oil collecting device comprises a central pipe, a connector mechanism, a hydraulic cylinder mechanism, a slip mechanism, a capsule sealing mechanism, an interference sealing mechanism and a guide mechanism. The invention further discloses a blowout wellhead crude oil collecting method. The method comprises the following steps that firstly, the matched extension pipeline, the blowout preventer device, the hydraulic valve and the collecting pipeline are selected; secondly, a central pipe, an extension pipeline, a blowout preventer device, a hydraulic valve and a collecting pipeline are fixedly connected in sequence; thirdly, the connector mechanism and the hydraulic valve are connected with the hydraulic station; (4) the device is placed at a proper position in a sleeve; fifthly, the slip mechanism is fixed in the casing pipe in a fastened mode, it is ensured that the capsule sealing mechanism and the interference sealing mechanism are both tightly sealed on the casing pipe, and then crude oil can be collected. The device is reasonable in structure, high in practicability and capable of reducing the risk that crude oil pollutes the environment and improving the efficiency of emergency operation.

The utility model discloses a bag cage convenient for quick mounting and dismounting of filter bags, and relates to the technical field of bag cages, the bag cage comprises a top ring and a transfer box, the transfer box is located right below the top ring, a plurality of first extension pipes are fixed on the peripheral side surface of the transfer box in a penetrating manner, and the plurality of first extension pipes are distributed in a circular array manner; two symmetrically-arranged limiting rods are fixed to the inner wall of the first extending pipe, and a first piston is slidably arranged in the first extending pipe. The water supply assembly is used for supplying water to the interior of the first extension pipe, so that the water pressure in the first extension pipe is increased, a first piston in the first extension pipe can be pushed to slide outwards by virtue of the water pressure, and a fixed block extends towards the exterior of the first extension pipe, so that a plurality of supporting rods are driven to expand outwards, and the plurality of supporting rods can support and tension the filter bag; after the water supply assembly draws away water in the first extension pipe, the multiple supporting rods can be folded towards the center, and therefore the filter bag can be conveniently and safely assembled and disassembled on the bag cage in a labor-saving mode.

The utility model discloses a sampling device for epoxy resin finished product detection, which comprises a shell, the shell is a cylinder, an outlet is arranged on the side face of the shell, a tubular grip is arranged at the outlet, the front end of the grip is connected with an extension tube through threads, the front end of the extension tube is connected with a connecting tube through threads, and a fixing buckle is arranged right in front of the connecting tube. The outer side of the connecting pipe is fixedly connected with the outer side of the fixing buckle through a connecting rod, a detachable piston barrel is installed on the fixing buckle, a piston is arranged in the piston barrel, a piston rod is connected behind the piston, and a threaded column is connected to the rear end of the piston rod. According to the sampling device for epoxy resin finished product detection, modular design is adopted, the overall length of the device can be adjusted by increasing or reducing the number of connected extension pipes so as to adapt to different working scenes, a crank is arranged to drive a reel to rotate and wind a steel wire rope, and the steel wire rope can pull a piston and a piston rod to move backwards; and the epoxy resin is sucked into the piston cylinder through negative pressure.

The invention aims to provide a general sampling device for pathological diagnosis, and relates to the technical field of medical instruments, tissues and stationary liquid can be sucked into a filter cartridge by pulling a pressurizing rod backwards, and then a filter is mounted on an outlet pipe; liquid in the filter cartridge can be pushed to the filter by pushing the pressurizing rod forwards, and fine flocculent tissues in the stationary liquid are filtered on a filter membrane of the filter and are extruded to be left in the outlet pipe, the extension pipe and the front end of the filter cartridge; when in use, the filter is detached, the push head of the push rod is slid to extend out of the push groove to push tissues in the front end of the filter cartridge out of the outlet pipe and the extension pipe, so that cylindrical tissue blocks are obtained, and the tissues can be completely collected, taken and subsequently embedded and sliced conveniently; the push rod slides to control the scraper to slide out of the piston head to be in contact with the front end of the filter cartridge to scrape the tissues remaining in the filter cartridge into the outlet pipe, so that the tissues are conveniently pushed out by the push rod and are prevented from being adhered to the front end of the filter cartridge.

The utility model relates to the technical field of instrument auxiliary, especially micro pump extension pipe is with wire arrangement device. Including first connecting block, first connecting block one end is provided with second connecting block, first connecting block is close to the top of second connecting block one end and is equipped with assembly slot, second connecting block is close to the top of first connecting block one end and is fixed with assembly block, assembly slot and assembly block sliding connection, the inside sliding connection of assembly block has fastening bolt, fastening bolt's tail end and first connecting block screw connection, first connecting block and second connecting block adjacent one end one side inside all are provided with first pipeline and place spare. The utility model provides a kind of micro pump extension pipe is with wire arrangement device, through the cooperation of first connecting block, second connecting block, splicing block and clamping mechanism, can let wire arrangement device when using, through clamping mechanism assembly in support position, simultaneously through the number change of splicing block to adapt to different line quantity.

The invention relates to a steering system (10) for a motor vehicle comprising a steering shaft (11), an extendable outer tube (12), and an extendable support (13), wherein the steering shaft (11) is rotatably mounted in the extendable outer tube (12). The extendable outer tube (12) is longitudinally adjustable within the extendable support (13). A magnetorheological brake (18) is arranged in the extendable outer tube (12) and is configured to act between the extendable outer tube (12) and the steering shaft (11). The extension tube (12) has in a first longitudinal section (16) a plurality of external sliding bearing zones (14) distributed around the circumference of the extension tube (12) for longitudinally sliding bearing of the extension tube (12) relative to the extension carrier (13) and a plurality of internal press-fit zones (17) distributed around the circumference of the extension tube (12) for mounting the magnetorheological brake (18).

The utility model discloses a bonding device for a pressure extension tube Luer joint, which comprises a bonding rack, a vibrating feeder arranged on one side of the bonding rack, a second horizontal moving component, an overturning feeding table and a second pressure extension tube clamping component arranged on the bonding rack, a second longitudinal moving component arranged on the second horizontal moving component, and a second longitudinal moving component arranged on the overturning feeding table. A rotating assembly is arranged on the second longitudinal moving assembly, and a Luer taper clamping assembly is installed on the rotating assembly. The multi-station positioning tool is compact in structure and convenient to operate, the multi-station positioning tool is adopted for clamping products for bonding, bonding is more accurate, the effect is better, labor intensity is reduced, labor cost is reduced, and production efficiency and product quality are improved.

This application provides a pipe connection structure and frame. The pipe connection structure includes a first pipe, a second pipe, and a connector. The first pipe defines a first flow path and at least one first mounting hole; the second pipe defines a second flow path and at least one second mounting hole; the connector passes through the first and second mounting holes sequentially, and the connector defines a hollow channel that communicates with the first and second flow paths respectively. By using a connector that passes through the first and second mounting holes sequentially to connect the first and second pipes, thermal stress caused by thermal expansion and contraction at the weld joint of the first and second pipes can be avoided. This ensures that the connection between the first and second pipes remains structurally stable even under high-temperature operating environments, extending the service life of the pipe connection structure.

This utility model relates to a fiber-reinforced composite polypropylene pipe. It solves the technical problems of insufficient stability in existing interlayer connections and easy wear and tear on the outer surface of the composite pipe due to particle erosion. It includes a hollow pipe body with an inner layer on its inner side, a middle layer on its outer side, and an outer layer away from the inner layer. A fixing structure is provided between the inner and middle layers, and between the middle and outer layers. The inner layer has several internally protruding ribs on its circumferentially inner side, and the outer layer has a wear-resistant surface on its circumferentially outer side, with wear-resistant parts on the wear-resistant surface. The advantages are: the fixing structure makes the pipe body structurally stable, enhancing the overall structural stability and mechanical strength of the pipe, and improving its resistance to deformation; the internally protruding ribs reduce resistance during fluid transport; and the wear-resistant parts on the outer surface of the pipe body resist friction and scratches from external objects, thereby effectively extending the service life of the pipe.