1551results about "Adjustable joints" patented technology

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

An aircraft pipework assembly is disclosed including an aircraft structure; pipework; a fixture arrangement between the pipework and the aircraft structure; a tie rod connecting the pipework to the aircraft structure; a first tie rod bearing which connects the tie rod to the pipework; and a second tie rod bearing which connects the tie rod to the aircraft structure. The fixture arrangement includes a spherical bearing, the spherical bearing comprising a ball mounted to the pipework, and a housing coupled to the aircraft structure. The ball includes a convex spherical bearing surface; and the housing comprises a concave spherical bearing surface which mates with the convex spherical bearing surface of the ball. The fixture arrangement is configured to enable the pipework to translate relative to the ball in an axial direction aligned with a longitudinal axis of the pipework.

A floating joint and retainer connection device with pressure relief structure includes a hollow fixed retainer; an adaptor joint having an engaging end and a fitting end extended through the fixed retainer to an outer side thereof, and a buffering section located between the engaging and fitting ends; a slidable washer and a fixing element fitted on an outer surface of the fitting end to limit the adaptor joint from moving axially relative to the fixed retainer; an elastic element located between the fixed retainer and the slidable washer; a slidable spacer having an axially protruded section formed on one side; and a spring fitted around the buffering section with two ends pressed against another side of the abutting spacer and a shoulder portion on the adaptor joint. With the above pressure relief structure, the adaptor joint can stay at any radially displaced position relative to the fixed retainer.

A joint assembly for joining a first component to a second component includes a first clevis including first clevis apertures and a second clevis including second clevis apertures. The joint assembly includes a first bearing insert and a second bearing insert fixedly coupled to the first clevis and the second clevis, respectively. The joint assembly includes a ring surrounding the first clevis and the second clevis and including a plurality of ring apertures. The joint assembly further includes a plurality of pins received within the corresponding ring aperture. Each pin includes a head portion and a shaft portion extending from the head portion. The shaft portion is coupled to the ring by a corresponding interference fit. The shaft portion is coupled to the corresponding first or second bearing inserts by a corresponding clearance fit such that the shaft portion is rotatable relative to the corresponding first or second bearing inserts.

A rotary joint capable of measuring a rotation angle with high accuracy includes: a flange; a rotor whose one end is connected with the flange and has a tubular shape; a shaft whose outer periphery is connected with an inner periphery of the rotor so that the shaft is rotatable about a central axis of the rotor as a rotation axis; and a rod whose one end is connected with the flange and is provided in an opening to extend from one end side of the shaft along the central axis; an angle measurement unit connected with the opening to extend from another end side of the shaft to another end of the rod and measures a rotation angle between the rod and the shaft with the central axis as the rotation axis; and a shield member formed in a cup shape.

The present disclosure relates to a low-spill coupling assembly including a female coupling device and a male coupling device.

A faucet extender has a universal joint and a water outlet device. The universal joint has a connecting base and a water outlet base. The connecting base has a lower connecting hole. The water outlet base has an installing part and a spherical joint. The installing part has an installing space, an installing hole and a through-hole. The installing hole and the through-hole connect two ends of the installing space. A flow channel is through the spherical joint and connects the through-hole. An end of the spherical joint is rotatably mounted in the connecting base and protrudes from the lower connecting hole. Another end of the spherical joint is mounted on the installing part. The water outlet device is mounted in the installing hole. In addition to the original downward water outlet direction of the faucet, the water outlet direction can be adjusted via rotating the water outlet base.

The check valve structure with the self-cleaning runner relates to the field of check valves and comprises a valve body, one end of the valve body is communicated with a communicating pipe through a flange, one end of the communicating pipe is connected with a communicating mechanism, a transmission mechanism is installed on the inner side of the communicating pipe, and one end of the transmission mechanism is in transmission connection with a cleaning mechanism. The turbine is guided and impacted through the water inlet, the turbine is driven to rotate, then power is transmitted to the center gear through the coupling rod, the center gear makes contact with the small gear, the power is further transmitted to the gear ring, follow-up mechanical actions are started, the gear ring and the first rotating rod work cooperatively, and the rotating rods can rotate smoothly; power is transmitted to the stress block through the surface driving groove, the movable pipe is pushed to slide in the sleeve, then translation of the cleaning mechanism is achieved, the movable pipe can slide along the inner wall of the communicating pipe to clean deposited dirt on the connecting portion of the valve, the situation that the normal function of the valve is affected by impurity accumulation is effectively avoided, and the self-cleaning purpose is achieved.

Telescopic pipe assembly for a hydraulic power unit. The telescopic pipe assembly includes, in one example, a first pipe including multiple indents or recesses that are positioned along a portion of the first pipe and a second pipe including an alignment opening, where the first pipe is axially moveable in relation to the second pipe and where the alignment opening is configured to align with each of the multiple indents or recesses in multiple axial positions. The telescopic pipe assembly further includes an attachment device configured to extend through the alignment opening and user-selectably mate with one of the multiple indents or recesses to fix an axial position of the first pipe in relation to the second pipe.

A coupling for a tube includes an attachment and a housing. The attachment is attached to the tube and has a barrel-shaped exterior surface. The housing contains the barrel-shaped exterior surface such that the attachment is rotatable in the housing while not being removable from the housing. The coupling thereby allows easy rotation of the tube within the coupling. The coupling may be utilized to attach the tube to another tube or to another structure.

An adapter assembly relates to the technical field of adapter hoses. The adapter assembly includes a main pipeline and an adapter pipeline. The main pipeline configured to circulate gas or liquid. The adapter pipeline is provided with a near end and a far end opposite to the near end of the adapter pipeline. The near end of the adapter pipeline and the main pipeline are integrally formed. The far end of the adapter pipeline is configured to be connected to a liquid channel or a gas channel. After the adoption of the above technical solutions, an adapter pipeline is arranged on the main pipeline, and the other end of the adapter pipeline sleeves a liquid channel or gas channel. So that the main pipeline is not easily washed away by the water pressure or gas pressure, which can be applicable to gas channels or liquid channels in different shapes.

The utility model relates to the technical field of pipeline fittings, in particular to a pipeline comprehensive connector convenient for pipeline maintenance, which comprises a mounting seat, an adjusting mechanism, a height control rod, a hold-down ring and a sealing ring, the adjusting mechanism is clamped on the inner side of the top of the mounting seat, and flanges are arranged at the bottom of the mounting seat and the top of the adjusting mechanism. The height control rod is arranged at the bottom of the mounting base and in a flange at the top of the adjusting mechanism in a clamped mode, the adjusting mechanism is sleeved with the pressing ring, and the sealing ring is arranged in the mounting base in a clamped mode. Meanwhile, the expansion joint capable of effectively achieving the buffering and protecting effects is additionally arranged inside, the risks of pipeline damage and connecting position leakage are reduced, the pressing ring exerts pressure on the sealing ring, the contact effect of the sealing ring, the installation base and the insertion pipe is more ideal, and the sealing effect is better achieved.

The invention relates to a corrugated hose (200) for use in semiconductor technology equipment, and to a semiconductor technology equipment comprising a corresponding corrugated hose (200). The corrugated hose (200) comprises a flexibly deformable bellows (210) made of rigid, gas-tight material with a wave-like alternating diameter, forming the outer surface of the corrugated hose (200), and an inner hose (220) made of flexible material, forming the flow channel for a liquid, wherein the bellows (210) and the hose (220) are connected to each other at the two ends of the corrugated hose (200) in such a way that a continuous gas volume (240) is formed between the bellows (210) and the hose (220), and the corrugated hose (200) is designed to reduce temperature differences between the bellows (210) and the hose (220). The system for semiconductor technology comprises a temperature control system (100) with at least one fluid line (101), wherein a corrugated hose (200) according to the invention is arranged in at least one fluid line (101).

The invention relates to the field of petroleum and natural gas exploration and development, in particular to a combined sealing structure and a telescopic pipe column system for oil field production, which comprise a combined sealing ring, and the combined sealing ring comprises a V-PAC sealing ring and a pre-cooling expansion sealing ring which are arranged in parallel; the outer circumferential face of the V-PAC sealing ring and the outer circumferential face of the pre-cooling expansion sealing ring are both coated with hydrogel. A cavity is formed in the precooling expansion sealing ring, and the cavity is filled with gallium-based liquid metal; the inner pipe is used for transmitting media, and the outer pipe plays a role in protection and supporting. The inner pipe is sleeved with the outer pipe, sliding fit is formed, stretching is achieved through sliding, and the effect of compensating for the length change of the pipe column is achieved. The inner pipe and the outer pipe are connected into a whole through the connected flanges and the connecting rods, and meanwhile the connecting rods play a sliding guiding and limiting role. The sealing ring combination is arranged between the inner pipe and the outer pipe, so that the sealing performance of the telescopic pipe column system is ensured.

The utility model discloses a rotary connecting structure of water pipes. The rotary connecting structure comprises a first water pipe, a second water pipe and a clamping ring, one end of the first water pipe protrudes to form a connector, the clamping ring rotatably sleeves the connector around the shaft, and one end of the second water pipe detachably sleeves and is fixed on the clamping ring; a first sealing groove is formed in the periphery of the clamping ring in a surrounding mode, a first sealing ring is arranged on the first sealing groove in a sleeving mode, after the second water pipe is arranged on the clamping ring in a sleeving mode, the first sealing ring abuts against the inner wall of the second water pipe, a clamping groove is formed in the first sealing groove, and the clamping groove penetrates through the first sealing groove in the radial direction and is provided with a clamping piece in a sliding mode in the radial direction; the clamping piece is clamped in the clamping groove through the first sealing ring so that the clamping piece can be limited to slide out in the direction away from the connector in the radial direction, a limiting part is formed on the outer wall of the connector, and the limiting part is formed on the axial movement path of the clamping piece so that when the clamping piece slides into the clamping groove, the clamping ring can be limited to move in the direction away from the first water pipe in the axial direction. The structure is simple and compact, and axial limiting of the clamping ring is more stable.

An aircraft assembly is disclosed including a wing structure, and a pipe assembly rotatably coupled to the wing structure by a fixture arrangement. The pipe assembly extends along a longitudinal direction, the fixture arrangement configured to restrict movement of at least a portion of the pipe assembly in the longitudinal direction relative to the wing structure and allow rotation of the pipe assembly relative to the wing structure.

The invention particularly relates to a flexible telescopic vacuum pipeline based on pneumatic driving, and solves the problems of high working complexity, low efficiency, inaccuracy and uncontrollability in the mounting and dismounting process of the existing vacuum pipeline. The vacuum pipeline comprises a fixed flange, an inner corrugated pipe, an outer corrugated pipe, a lap joint flange, an air hole and an air pipe, one end of the inner corrugated pipe and one end of the outer corrugated pipe are respectively and fixedly connected with the inner end of the fixed flange, the other end of the inner corrugated pipe and the other end of the outer corrugated pipe are respectively and fixedly connected with the inner end of the loose flange, and an annular sealing cavity is formed among the inner corrugated pipe, the outer corrugated pipe, the fixed flange and the loose flange; the inner corrugated pipe and inner cavities of the fixed flange, the lap joint flange, the external high-pressure pipe and the external low-pressure pipe form a vacuum cavity; an air hole is formed in the inner end of the fixing flange, one end of the air pipe is connected with the air hole, the other end of the air pipe is connected with external air source equipment, and the air pipe is used for inflating the annular sealing cavity to extend the vacuum pipeline or exhausting air to shorten the vacuum pipeline.

This disclosure relates to a hose assembly (1) including a fluid passage (11), a male coupler (12) and a blocker (13). The fluid passage (11) has an outlet (1112a). The male coupler (12) is rotatably sleeved on the fluid passage (11) at the outlet (1112a). The blocker (13) is protruded from the fluid passage (11) at the outlet (1112a) to restrict detachment of the male coupler (12) from the outlet (1112a) of the fluid passage (11).

A rotatable joint for use in a liquid cooling system comprises a main body and at least one housing portion. The main body has a main body passageway defined therethrough. The at least one housing portion is rotatably coupled to the main body and has a housing portion passageway defined therethrough that is fluidly coupled to the main body passageway. The main body is rotatable between a first position and a second position relative to the at least one housing portion. The main body passageway is fluidly coupled to the housing portion passageway when the main body is in either of the first position and the second position.

The pressure relief pipe comprises a first pressure relief pipe body and a second pressure relief pipe body, the end face of the outlet end of the first pressure relief pipe body is an inclined face, and the included angle between the end face of the outlet end of the first pressure relief pipe body and the axis of the first pressure relief pipe body is 45 degrees. The end face of the inlet end of the second pressure relief pipe is an inclined face, the included angle between the end face of the inlet end of the second pressure relief pipe and the axis of the second pressure relief pipe is 45 degrees, the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe are connected in a rotating fit mode, and a rotating positioning structure is arranged between the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe. The safety valve group comprises a ball valve, a check valve and a safety valve, a medium outlet of the ball valve is connected with a medium inlet of the check valve, one medium outlet of the check valve is connected with a medium inlet of the safety valve, and a pressure relief opening of the safety valve is connected with the pressure relief pipe. The pressure relief pipe can be converted between a straight pipe and a 90-degree right-angle bent pipe, and is suitable for installation and use of a safety valve group under the two conditions that an inlet of the water heater is horizontally and vertically downward.

The application provides a cooperative bidirectional contact seal structure suitable for an oil path interface, which comprises an axial fastener (1), a static part with an oil path (2), a rotating part with an oil path (3), a radial protection sleeve (5), an axial protection sleeve (6), a radial seal ring (7) and an axial seal ring (8). The rotating part with an oil path (3) is inserted into the static part with an oil path (2) and is connected through the axial fastener (1). The rotating part with an oil path (3) is processed with seal ring grooves in the radial and axial directions. The radial seal ring groove is sequentially assembled with the radial protection sleeve (5) and the radial seal ring (7), and the axial seal ring groove is sequentially assembled with the axial protection sleeve (6) and the axial seal ring (8). The static part with an oil path (2) forms radial and axial contact seals in the radial and axial directions, so that the probability of leakage of the oil pipe interface is reduced.

By providing a cooling air passage in the rotary joint housing, the amount of heat generated by the rotary joint can be suppressed, enabling an increase in the rotational speed of the air chuck, as well as miniaturization and weight reduction of the rotary joint. [Solution] A rotary joint device for supplying air to an air circulation pipe 4 connected to an air chuck 2 of a machine tool, comprising a housing 22 made of a tubular body having an air supply port connected to an air source, and a sleeve 26 fixed to the air circulation pipe 4 and fitted to the inner diameter of the housing 22 via a bearing 24. An air passage 36 is formed in the pipe wall of the housing 22 by a plurality of elongated holes extending axially and grooves connecting the ends of the elongated holes. One end of the air passage 36 is connected to an air supply port for driving the air chuck, and the other end of the air passage 36 is connected to the gap between the housing 22 and the sleeve 26.

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 relates to a rotatable corrosion-resistant sealing pipeline joint structure which comprises a communicating pipeline, joint seats are arranged on the two sides of the communicating pipeline, connectors are arranged in the joint seats, one end of each connector is connected with the communicating pipeline, and an installation area is formed between the other end of each connector and the corresponding joint seat. A bearing matched with the installation area is arranged in the installation area, a detachable protection sleeve is arranged at the end, facing the bearing, of the connector base, a shielding part extending towards the center is arranged on the side, facing the bearing, of the protection sleeve, the shielding part abuts against the outer wall of the connector, and the shielding part is provided with an extending part extending in the axial direction. The extension part abuts against the outer wall of the connector. The rotary joint has the following advantages and effects that the stability of the rotary joint in long-term use can be ensured.