39 results about "Rotary union" patented technology

A modular electric wheel assembly. The assembly including a motor with a rotor in a rotary union with a stator. The motor of the brushless DC type and including a circular rotor rotating about a central axis and including a central hollow axle. The hollow axle configured for coupling with a removable energy source and / or an external energy source and including attachment structures for a plurality of attachments to enable riding by a user or configuration within a parent vehicle such as a bicycle or moped, or use as another machine type, such as a power tool or power generation machine. The rotor configured with a quick-change mechanism through a first ring configured to accept a plurality of removable wheel types and rotatable attachments, enabling a user to select a variety of unique wheel / tire types and configurations for a variety of applications.

A rotary union for connecting a stationary body to a rotating body. The rotary union has a rotatable wear plate connectable to the rotating body and a seal ring disposed in the wear plate. A spring biased piston engages the seal ring against the wear plate with a compression spring between an end flange and the piston. The end flange and piston are at least partially disposed within a shroud, wherein the shroud has at least one aperture extending therethrough. An alignment ring is formed on the piston and is viewable through the aperture in the shroud to confirm proper distance between the end flange and the piston and proper force applied to the piston. A seal wear indicator is connected to the piston and moves between an exposed position where the seal ring is not worn and a non-exposed position where the seal ring is worn.

The utility model is applicable to the technical field of rotary joints, and provides a high-pressure rotary joint which comprises a shell assembly, a rotary assembly is arranged in the shell assembly, and the same lubricating assembly is arranged on the shell assembly and the rotary assembly; the shell assembly comprises a first shell arranged outside, a damping groove is formed in one side of the first shell, and a second shell is arranged in the damping groove; a plurality of fixing pipes are detachably and fixedly connected to the periphery of the interior of the damping groove, sliding grooves are formed in the sides, close to the second shell, of the fixing pipes, and movable blocks are slidably connected into the sliding grooves. Therefore, damage caused by vibration is reduced, the service life is prolonged, the lubricating assembly is arranged, the bearing can be conveniently lubricated, and disassembly is not needed.

In accordance with one or more embodiments of the present disclosure, a rotary evaporator is disclosed. The rotary evaporator may include a base, an evaporation vessel, a rotary union, a motor for rotating the evaporation vessel, a heat jacket, a purge tube and a purge system. The evaporation vessel includes a mounting end that is coupled to the rotary union and an opposite end, with an opening defined in the opposite end and a reservoir in communication with the opening for receiving a sample through the opening. The heat jacket heats or cools the sample when contained in the evaporation vessel, and the purge system controllably supplies fluid to the evaporation vessel via the purge tube.

The utility model provides a split type rotary joint supporting device which comprises a first supporting sleeve and a second supporting sleeve, the first supporting sleeve is connected with the second supporting sleeve in a sleeved mode, the upper portion of the second supporting sleeve extends into the inner side of the first supporting sleeve, and the lower portion of the second supporting sleeve is connected with the first supporting sleeve in a sleeved mode. A first drainage structure is formed between the upper part of the second supporting sleeve and the inner side of the first supporting sleeve, and a second drainage structure is formed between the inner side of the second supporting sleeve and the shell of the motor, so that the drainage effect is enhanced due to the arrangement of the double-layer independent drainage structure; and water stored on the spindle motor on the lower layer is reduced to a great extent, so that the phenomenon of corrosion caused by the water stored on the spindle motor is reduced.

The application is suitable for the technical field of joint assembly, and provides an automatic rotary joint assembly equipment, which comprises a pedestal, a supporting seat assembly is arranged at the bottom of the pedestal, two assembly assemblies are symmetrically arranged at the top of the pedestal, a calibration assembly is arranged at the top of the pedestal, upper limit position sliding frames are symmetrically arranged at the top of the pedestal, a display shell seat is fixedly connected to the outer wall of the pedestal, and a first electronic display lamp group and a second electronic display lamp group are arranged outside the display shell seat; through the arrangement of the calibration assembly and the use of the first electronic display lamp group and the second electronic display lamp group on the display shell seat, in use, a rotary motor is started and controlled to drive a plastic shell and the plastic shell to rotate, so that the plastic shell and the outer contact blocks on the outer wall of the plastic shell stand in the middle of the two assembly assemblies, the joint clamped in the assembly assemblies is moved to approach each other through the control of the assembly assemblies, and when the joint contacts the outer contact blocks on the plastic shell.

The utility model relates to the technical field of tobacco processing equipment maintenance accessories, in particular to an expanded cut tobacco rotary joint maintenance kit which comprises a maintenance box, a sponge mat is arranged in the maintenance box, a dismounting mechanism is arranged in a placing groove of the maintenance box, a plurality of part replacement grooves are detachably connected to the sponge mat and used for storing maintenance parts, and a cover plate is hinged to the top of the maintenance box. And a cover sponge, a hasp and a handle are arranged in the cover plate. The dismounting mechanism comprises two semicircular fixing shells which can be spliced into a fixing ring, the fixing ring is provided with a threaded hole and a threaded column, one end of the threaded column is provided with a contact part and a rotating handle, the two fixing shells can be clamped through a clamping assembly on the fixing ring, and stable splicing of the fixing shells is guaranteed through cooperation of a clamping block, a limiting hole, a sliding groove, a wedge-shaped block and a reset compression spring.

A co-rotating scroll device includes a housing, a first scroll positioned in the housing and having a first involute, a second scroll positioned in the housing and having a second involute, and one or more integrated rotary unions that transmit coolant from the housing to the first scroll and / or the second scroll. The arrangement of the co-rotating scroll defines an integrated cooling system that supplies liquid coolant to portions of the scroll device rather than relying on air cooling. The liquid cooling of the scroll device is provided by supplying liquid coolant through the scroll shafts via the integrated rotary unions. At least one rotary union is provided for each scroll / scroll shaft combination of the co-rotating scroll device.

The application belongs to the technical field of seal component design, and discloses a high-speed dynamic seal rotary joint suitable for super-low-temperature fluid, which mainly comprises a static shaft, a rotary shell, a super-low-temperature seal ring, a guide ring and a check ring. The high-speed dynamic seal rotary joint suitable for super-low-temperature fluid is used to realize the integration of the blocking flow, the labyrinth and the multi-stage lip seal structure in the limited space. The shrinkage deformation of the super-low-temperature seal ring in the super-low-temperature environment can be obviously inhibited by optimizing the base material of the super-low-temperature seal ring and additionally arranging the anti-shrinkage ring structure. The interference amount of the matching surface of the super-low-temperature seal ring is reasonably adjusted, so that the close contact of the lip seal interface in the super-low-temperature environment is ensured.

An apparatus for use in a tire inflation system may include a steer-axle spindle, wherein the steer-axle spindle may include a first side, a second side, and a channel formed in the steer-axle spindle through the first side and the second side. A fluid conduit may be configured to be disposed through the channel from the first side of the steer-axle spindle to the second side of the steer-axle spindle, wherein a first end of the fluid conduit may be configured to be in fluid communication with a rotary union, and a second end of the fluid conduit may be configured to be in fluid communication with an air supply for the tire inflation system.

The utility model discloses a liquid cooling molar device with a novel rotary sealing structure. The liquid-cooled tooth grinding device comprises a liquid-cooled grinding wheel, a liquid passing rotating shaft and two rotary sealing connectors, a cooling ring groove, a radial liquid inlet hole and a radial liquid outlet hole of the liquid cooling grinding wheel and an axial liquid inlet hole and an axial liquid outlet hole of the liquid passing rotating shaft form a liquid channel, and a threaded port of the liquid channel is connected with rotating connecting pipes of the two rotating sealing connectors. A driven wheel of the driving part is fixedly connected with the outer end of the peripheral wall of the liquid-passing rotating shaft; the outer end of a rotary cavity of a fixed shell of the rotary sealing connector is connected with a rotary connecting pipe through a bearing, the axial spring pressing end of the rotary sealing connector elastically fits the outer wall of the rotary connecting pipe towards a friction sleeve, and the outer end of the fixed cavity is in threaded connection with a liquid inlet pipe and a liquid return pipe of a liquid supply part. According to the utility model, a novel rotary sealing structure is adopted to realize a good internal circulation liquid cooling passage, the temperature can be quickly reduced, the device is suitable for high-temperature grinding scenes, and the product yield is high.

The utility model relates to the technical field of rotating joints, and discloses a throttling type rotating joint which comprises a shell and a rotating sleeve rotationally connected with the shell, a medium flow channel is arranged on the side face of the shell, an annular step face is arranged on the inner wall of the shell, a throttling seat is fixedly arranged on the annular step face, a plurality of throttling through holes are formed in the throttling seat, and the throttling through holes are communicated with the medium flow channel. The axis of each throttling through hole is parallel to the axis of the rotating sleeve; an adjusting seat is arranged on the inner side of the throttling seat, a plurality of throttling columns matched with the throttling through holes are arranged on the outer end face of the adjusting seat, the throttling columns are correspondingly inserted into the throttling through holes to form clearance fit, flow guide holes are formed in the centers of the throttling columns, and throttling grooves communicated with the flow guide holes are formed in the surfaces of the throttling columns; a driving assembly used for driving the adjusting seat to be close to or away from the throttling seat is arranged on the shell. The utility model has the beneficial effects that the medium flow can be adjusted, and the adjustment is very convenient.

The utility model discloses a high pressure hydraulic rotary joint relates to electromechanical field field. This high pressure hydraulic rotary joint, including the adapter main part, top cap and taper plug, be equipped with annular filter screen on top cap, be equipped with movable spring on top cap, be equipped with taper plug on movable spring. This high pressure hydraulic rotary joint, through the setting of annular filter screen can in the process of oil delivery, can filter treatment to oil, like this can avoid the time of long -time use input oil, will have the precipitate of not preventing the situation that the plugging device leads to the stability of high pressure hydraulic rotary joint work, thereby ensuring that the hydraulic machine can be normal practicality, and through the setting of spacing round bar, can limit the side plate and spacing block, like this convenient the adapter main part and top cap separate, thereby convenient subsequent user to annular filter screen wash, remove the impurity in the adapter main part, ensure the use effect of adapter main part.

The invention belongs to the technical field of design of sealing parts, and discloses a high-speed dynamic sealing rotary joint suitable for ultralow-temperature fluid, which mainly comprises a static shaft lever, a rotary shell, an ultralow-temperature sealing ring, a guide ring and a check ring. According to the high-speed dynamic sealing rotary joint suitable for the ultralow-temperature fluid, integration of flow choking, labyrinth and lip-shaped multi-stage sealing structures is achieved in a limited space; the base material of the ultralow-temperature sealing ring is optimized, and the anti-shrinkage ring structure is additionally arranged, so that shrinkage deformation of the ultralow-temperature sealing ring in an ultralow-temperature environment can be remarkably inhibited; and the interference magnitude of the matching surface of the ultralow-temperature sealing ring is reasonably adjusted, so that the close contact of a lip-shaped sealing interface in an ultralow-temperature environment is ensured.

A rotary union for use with a rotating platen that includes one or more lip seals is disclosed. The rotary union includes a rotary union shaft and a rotary union housing that surrounds the rotary union shaft. Heaters are disposed on the outer surfaces of the rotary union shaft and the rotary union housing. Additionally, a low thermal conductivity path is created between the center portion of the rotary union housing, where the lip seals are located, and the base of the rotary union housing, which contacts the cryogenic fluid. This low thermal conductivity path allows the lip seals to remain sufficiently warm so as to ensure good seal performance and reduced leakage.

The utility model provides a fall-off self-sealing rotary joint which comprises a left shell and a right shell, the right shell is installed in the left shell in an inserted mode and rotates in the left shell, a left one-way valve mechanism is arranged in the left shell, a right one-way valve mechanism is arranged in the right shell, and the right one-way valve mechanism is arranged in the right shell. The left shell comprises a first shell body and a second shell body, the right shell body abuts against the end face of the first shell body, the left end face of the right shell body and the right end face of the first shell body are combined to form a clamping groove, an ejector rod is arranged in the clamping groove in an inserted mode, and the ejector rod ejects the left one-way valve mechanism and the right one-way valve mechanism open. Through the arrangement of the integral structure which is easy to damage, the integral structure can be preferentially snapped under the extreme working condition, abnormal damage to other elements such as pipelines is avoided, self-sealing can be achieved at the fracture ends after the integral structure is snapped, leakage of working media is avoided, and therefore system safety under the extreme working condition is guaranteed.

A high-speed hydraulic rotary joint includes a rotary inlet pipe and a bearing coaxially arranged with the rotary inlet pipe; the right end of the rotary inlet pipe is fixedly connected to the left side of the outer ring of the bearing, and a rotary outlet pipe is coaxially fixed to the right side of the inner ring of the bearing; a quick-release unit is coaxially arranged at the left end of the rotary inlet pipe, the quick-release unit including a rotary joint, a rotation limiting sleeve, and a translation limiting sleeve; the right end of the rotary joint is coaxially fixed with the rotary inlet pipe and its inner cavity is connected; a rotation limiting sleeve is sleeved on the outer side of the left end of the rotary joint, and a rotation limiting groove with an opening at the right end is formed axially on the cylindrical wall of the rotation limiting sleeve; a translation limiting sleeve is sleeved on the outer side of the rotation limiting sleeve. It is slidably connected to the rotating limiting sleeve, and the cylindrical wall of the translation limiting sleeve is inclined along the circumference with a translation limiting groove with an opening at the right end; the circumferential surface of the rotary joint is provided with a cylindrical limiting pin along the radial direction; the limiting pin passes through the limiting space formed by the intersection of the rotating limiting groove and the translation limiting groove; it can not only filter and clean the fluid medium in the high-speed hydraulic rotary joint and collect solid impurities in the fluid medium; but also cut off the unfiltered fluid medium from entering the equipment after the solid impurities in the filter unit reach a certain amount, and at the same time prompt the filter unit to be replaced to prevent solid impurities from entering the equipment through the fluid medium.

A compact rotary union assembly for inflating and deflating a tire mounted to a hub having a hub housing. The compact rotary union assembly includes a spindle, an inner sleeve, and an outer sleeve. The spindle includes a spindle channel. The inner sleeve includes a flange portion, a cylinder portion coupled to the flange portion, a bore extending through the flange portion and the cylinder portion, and an inner sleeve channel located within the flange portion and the cylinder portion. The inner sleeve channel is coupled to a first port and to the spindle channel. An outer sleeve includes an outer sleeve channel, coupled to the spindle channel and to a second port, wherein the cylinder portion is located within an outer sleeve bore of the outer sleeve. A first and a second air seal are located within the outer sleeve on either side of an air track.

The invention relates to a Roots blower (10) for expanding a vaporous medium, having a housing (12) for delimiting a working chamber (22), a first piston shaft (14) that can be connected to a first rotary piston (16), a second piston shaft (18) that can be connected to a second rotary piston (20) that can roll on the first rotary piston (16), and a coupling for torque-transmitting coupling of the second piston shaft (18) to an output shaft (38) provided outside the housing (12), wherein the coupling is designed as a contactless magnetic coupling (30). As a result of the contactless torque transmission with the aid of the magnetic coupling (30), a contacting seal in a rotary union of the second piston shaft (18) through the housing (12) can be saved, as a result of which a Roots blower (10) that can be used in a high pressure range is made possible.

An apparatus for use in a tire inflation system may include a steer-axle spindle, wherein the steer-axle spindle may include a first side, a second side, and a channel formed in the steer-axle spindle through the first side and the second side. A fluid conduit may be configured to be disposed through the channel from the first side of the steer-axle spindle to the second side of the steer-axle spindle, wherein a first end of the fluid conduit may be configured to be in fluid communication with a rotary union, and a second end of the fluid conduit may be configured to be in fluid communication with an air supply for the tire inflation system.

The utility model discloses a high-pressure rotating joint connecting mechanism which comprises a rotating fixing seat connected with inlet water, a rotating shaft is arranged in the rotating fixing seat, the inlet water flows out through a hollow structure of the rotating shaft, and the rotating shaft is sleeved with a deep groove ball bearing and a sealing piece. The water inlet side of the deep groove ball bearing is limited in an inner groove of the rotary fixing base through a shaft elastic check ring, a hole elastic check ring is arranged on the water outlet side of the deep groove ball bearing, a protruding part is arranged on the water outlet side of the rotary shaft, and the deep groove ball bearing is prevented from moving outwards through the hole elastic check ring and the protruding part. Therefore, the rotating shaft is assembled in the rotating fixing seat. The high-pressure rotary joint connecting mechanism can be used for a high-pressure spray head on an automatic car washer, and is simple to assemble and stable in performance.

Examples include a cylinder having a holding means around the circumference and by which a substrate sheet can be picked up and held during rotation of the cylinder over a rotation angle range between when the substrate sheet is received and is transferred downstream. A rotary union includes a rotor rotating along with the cylinder which, at an end face, is arranged with a stator that does not rotate during regular operation. A vacuum pressure can be applied via the rotary union to suction openings provided around the circumference of the cylinder while running through an active rotation angle phase of the cylinder. The rotary union can be set in terms of a size of a passage angle sector determining the size of the active rotation angle phase and / or in terms of a position of the passage angle sector determining the position of the active rotation angle phase.

Techniques are described for a wind power generator in which a refrigerant such as liquid helium and / or helium gas is applied to superconducting magnets via thermally conductive flexible structures. These structures thermally couple the refrigerant channels to the magnets, and / or to a thermally conductive structure (e.g., metal plate) to which the magnets are thermally coupled. The thermally conductive flexible structures may be arranged so that motion of the magnets relative to the cryogenic channels that cool the structures during heating and / or cooling of the magnets does not result in damage to the thermal connection between the channels and the magnets. The stationary stage of the generator may house a cooling station, and transfer the refrigerant to the rotary stage via a suitable rotary union.

This disclosure relates to fabrication of quartz hollow cylinder with reduced bubbles using atmospheric control. An example horizontal rotating arc furnace includes a housing, supports, and a rotary union. The housing defines an interior configured to receive silica particles and electrodes that generate a plasma arc and includes a plurality of first ports on an exterior of the housing fluidly connected to the interior and supply pipes fluidly coupled to the first ports. The supports mechanically couple the housing to a drive system to provide rotational motion to the housing. The rotary union is coupled to the housing includes second ports to fluidly connect to a vacuum supply. The second ports are fluidly connected to the first ports via the supply pipes. The horizontal rotating arc furnace is configured to apply a vacuum to the interior of the housing via the first ports when the housing is spinning.

The utility model discloses an automatic detection high-speed rotary joint test box, which belongs to the technical field of rotary joints and comprises a case, the top end of the case is fixedly connected with a plurality of groups of bearing seats, hollow pipes are rotatably connected in the plurality of groups of bearing seats, and two ends of the plurality of hollow pipes are rotatably connected with rotary joint bodies. The multiple rotary joint bodies are symmetrically distributed on the two sides of the multiple sets of bearing pedestals and communicate with the multiple hollow pipes, one side end of the machine box is fixedly connected with an air inlet pressure valve, and the air inlet pressure valve communicates with the multiple rotary joint bodies on one sides of the multiple sets of bearing pedestals through pipelines; in the high-speed rotating state of the hollow pipe, the monitoring module monitors flowing gas, the gas before entering the multiple rotating joint bodies is compared with the gas after being discharged out of the multiple rotating joint bodies, and whether the multiple rotating joint bodies leak gas or not in the rotating state is judged. Therefore, the actual service life of a plurality of rotary joint bodies can be accurately tested, and stable operation of equipment is guaranteed.

The utility model relates to oil exploitation, and particularly discloses a mixing and dosing device for oil exploitation, which comprises a mixing drum, the top of the mixing drum is rotatably connected with an outer tubular shaft, the part of the outer tubular shaft positioned in the cavity of the mixing drum is connected with a mixing paddle, and the part of the outer tubular shaft positioned outside the mixing drum is connected with a first bevel gear; the inner bottom surface of the stirring barrel is rotationally connected with an inner pipe shaft, the upper end of the inner pipe shaft is connected with a second bevel gear, and a motor for driving the first bevel gear and the second bevel gear is arranged on the outer side of the stirring barrel; the bottom of the inner pipe shaft is connected with a group of stirring pipes, the stirring pipes are provided with a group of spray heads, the top of the inner pipe shaft is connected with a rotary movable joint, the other end of the rotary movable joint is communicated with the middle of the stirring barrel through a circulating pipe, and the circulating pipe is provided with a circulating pump. According to the utility model, the medicament is fully mixed with the solvent in a manner of stirring dissolution and internal circulation impact on the deposited medicament at the bottom, so that the medicament solution is more uniformly and stably mixed.

Techniques are described for a wind power generator in which a refrigerant such as liquid helium and / or helium gas is applied to superconducting magnets via thermally conductive flexible structures. These structures thermally couple the refrigerant channels to the magnets, and / or to a thermally conductive structure (e.g., metal plate) to which the magnets are thermally coupled. The thermally conductive flexible structures may be arranged so that motion of the magnets relative to the cryogenic channels that cool the structures during heating and / or cooling of the magnets does not result in damage to the thermal connection between the channels and the magnets. The stationary stage of the generator may house a cooling station, and transfer the refrigerant to the rotary stage via a suitable rotary union.

A co-rotating scroll device includes a housing, a first scroll positioned in the housing and having a first involute, a second scroll positioned in the housing and having a second involute, and one or more integrated rotary unions that transmit coolant from the housing to the first scroll and / or the second scroll. The arrangement of the co-rotating scroll defines an integrated cooling system that supplies liquid coolant to portions of the scroll device rather than relying on air cooling. The liquid cooling of the scroll device is provided by supplying liquid coolant through the scroll shafts via the integrated rotary unions. At least one rotary union is provided for each scroll / scroll shaft combination of the co-rotating scroll device.

A rotary union for a hose reel enclosure includes an inlet member in fluid communication with a fluid source. The rotary union further includes an outlet member rotatably disposed in the inlet member. The outlet member includes a first terminal in fluid communication with the inlet member and a second terminal in fluid communication with a hose in the hose reel enclosure. The rotary union also includes an inlet locking collar assembly. This design allows for efficient fluid transfer between the fluid source and the hose reel enclosure, providing a reliable and secure connection.

1. The name of the design product: switch valve joint (rotary interface). 2. The use of the design product: the switch valve joint of the water supply system. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.