39results about How to "Realize threaded connection" patented technology

The invention relates to a proportional valve that can be electromagnetically actuated for controlling the delivery rate of a high-pressure fuel pump, comprising an electromagnet (1) for acting on an armature (2) that can be moved in a reciprocating manner, wherein the armature (2) is coupled to an axially movable valve piston (4) by means of a tappet (3) such that the stroke of the armature (2) causes an axial movement of the valve piston (4) against the spring force of a spring (5). According to the invention, the axially movable valve piston (4) is accommodated in a flanged bush (6), by means of which the proportional valve can be connected to a housing part (7) of the high-pressure fuel pump. The invention further relates to a high-pressure fuel pump having such a proportional valve for controlling the delivery rate.

The subject matter of the invention is a bicycle with an electric bicycle drive, in which the electric bicycle drive has an electric motor (7) and a gearbox (8-12), which are arranged in a housing (1). The housing (1) is formed from a carrier (5), a peripheral edge (2) and at least one cover (3), wherein the carrier (5) is arranged within the peripheral edge (2) and is connected to the peripheral edge (2) via at least two retainers (16).

The invention relates to an air inlet valve, in particular to a special manual air inlet valve for a device in bearing water storage equipment, and solves the problem of incapability of automatic outlet water upon water supply cut-off of an external water supply system and formation of negative pressure at a high position of a pipeline system existing in the bearing water storage equipment. The special manual air inlet valve for the device in the bearing water storage equipment comprises an air collection pipe, an air collection pipe joint, an air inlet pipe, a seal ring, a push rod, a push button, a compression spring and a valve seat, wherein the lower end of the air collection pipe is provided with an opening; the air collection pipe joint is hermetically connected to the upper end of the air collection pipe; the upper end of the air inlet pipe extends into the inner cavity of the air collection pipe, and is close to the lower end face of the air collection pipe joint; and the lower end of the air inlet pipe extends out of the air collection pipe and is hermetically connected with a middle circular hole of the valve seat. Through the valve, the problem of incapability of automatic outlet water upon water supply cut-off of the external water supply system and formation of negative pressure at the high position of the pipeline system existing in the bearing water storage equipment is effectively solved; and the valve is suitable for various kinds of bearing water storage equipment.

The invention discloses an oil pipeline connection part with a telescopic rod, which solves the problem that the existing oil pipelines connected at both ends cannot be effectively and freely rotated, and the installation of couplings cannot be well realized. The invention comprises a connecting pipe body, an internal thread arranged on the inner wall of the connecting pipe and matched with an external thread at the interface of the oil pipeline, fastening devices are arranged at both ends of the connecting pipe body; the fastening device It includes a ring fastener, a ring buckle that is sleeved on the ring fastener and threaded with the ring fastener; the two fastening devices are arranged symmetrically, and the ring buckles on the two fastening devices are provided with Telescopic rod; one end of the telescopic rod is hinged on one of the buckles, the other end is a free end, and the other buckle is provided with a fixing device for fixing the free end of the telescopic rod. The invention has the advantages of simpler installation, more stable connection between the collar and the oil pipeline, and the like.

The invention discloses a lumbar vertebral arch internal fixed bolt used for orthopedic surgery of a hospital and an application device of the bolt. A single bolt type percutaneous zygopophysis pedicle bolt internal fixation system comprises a locating sheathing canal and a corresponding inner core, a guide pin for determining the bolt depth, a soft tissue expander for expanding a bolt placement channel of the body surface, a tapping rod piece, a medical hollow drill and a drilling tool for drilling a bone, a bolt installing device and a vertebral pedicle bolt. The vertebral pedicle bolt is divided into a third thread segment, a rough rod segment, and an internal hexagonal heavy platform is arranged on the nut, the bolt installing device is a hollow structure, and is in counterpoint connection with the nut through a connection key at the front end, and the connection key is a boss matched with the internal hexagonal heavy platform. The invention overcomes the default of complex operation step in the prior art, and provides the single bolt type percutaneous zygopophysis pedicle bolt internal fixation system having low improvement cost.

The invention discloses a flusher and an assembly assembling system thereof, and belongs to the technical field of flushers. The flusher comprises a liquid storage tank, a micro water pump is arranged in the liquid storage tank, a liquid adding opening with a sealing cover and a switch are arranged at the top of the liquid storage tank, and the micro water pump is connected with a holding part through a hose. A through liquid outlet hole is formed in the holding part and communicated with the hose, the other end of the holding part is communicated with the adjusting part, a through liquid outlet hole is also formed in the adjusting part, a liquid outlet pipe is arranged at the other end of the adjusting part, a nozzle assembly is arranged at the tail end of the liquid outlet pipe and comprises a steering part, and a nozzle is arranged on the steering part. The assembly assembling system comprises an adjusting part conveying belt, a holding part conveying belt and a nozzle conveying belt, and can be matched with all the automatic assembling mechanisms to achieve rapid assembly of the assembly.

The invention discloses a connecting device for an indoor machine. The connecting device for the indoor machine and the outdoor machine comprises a first connector, a second connector which is in threaded connection with the first connector and an auxiliary screwing piece which is in slide connection with the exterior of the first connector; a rolling column accommodating groove with gradually changed depth is formed in the periphery of the first connector or the internal circumference of the auxiliary screwing piece along the circumferential direction; a rolling column is arranged inside the rolling column accommodating groove in a rolling mode to enable the first connector and the auxiliary screwing piece to be linked along a screwing direction of the first connector and the auxiliary screwing piece. According to the connecting device for the indoor machine and the outdoor machine, the auxiliary screwing piece can only act on the first connector along one direction to achieve connection between the indoor machine and the outdoor machine, the auxiliary screwing piece cannot apply acting force to the first connector during contrarotation, reliable connection between the first connector and the second connector is guaranteed, leakage of heat transferring mediums is avoided due to the auxiliary screwing piece, the wedge groove and the wedge block and installation and maintenance of the indoor machine and the outdoor machine are convenient and installation and maintenance costs of an air conditioner are reduced due to the fact that the connecting device for the indoor machine and the outdoor machine can be arranged indoor. The invention also provides an outdoor machine comprising the connecting device.

The invention relates to a rotating assembly, a pressure release valve with a filtering function and an electric rice cooker. The rotating assembly comprises a threaded seat and a rotating disc rotationally arranged on the threaded seat through an annular sliding assembly, wherein a hollow threaded rod is in threaded connection with the middle position of the rotating disc, and the hollow threadedrod penetrates through the threaded seat and is in sliding fit with the threaded seat; and a locking mechanism is arranged between the rotating disc and the threaded seat, and an unlocking assembly connected with the locking mechanism is arranged on the rotating disc. Relative position fixation between the threaded seat and the rotating disc is achieved through the arranged locking mechanism so that rotation of the threaded seat can be achieved, and threaded connection between the threaded seat and a connecting piece is achieved; and when the hollow threaded rod needs to be adjusted, the locking state is changed through the unlocking assembly, so that the adjustment of the hollow threaded rod is realized on the premise of ensuring that the threaded seat does not move, and the connection stability between the threaded seat and the connecting piece is ensured.

The invention discloses an oil pressure compensator which comprises a base. One end of an oil tube plug is detachably connected to the base, and the other end is connected with an oil tube fixing sleeve; one end of a sealing connector is detachably connected to the base; a microswitch is fixedly arranged on the base and is electrically connected with the sealing connector; an oil bag gland is fixedly mounted at the inner side of the base; the outlet end of a stacked oil bag is clamped between the base and the oil bag gland; an oil bag cover is arranged on the stacked oil bag; and the two ends of a sliding rod are fixedly connected with the base and the oil bag cover respectively. A fixed key is detachably connected to the oil bag cover; and multiple high-strength rubber bands are arranged, and the two ends of each high-strength rubber band are fixedly connected with the oil bag gland and the oil bag cover respectively. When the oil pressure compensator disclosed by the invention works, the stacked oil bag extrudes oil and then performs oil real-time compensation on equipment through an oil tube; and when the oil pressure compensator does not work, the lower end of the fixed key is in threaded connection with the oil bag cover, the oil bag cover is pulled to the position where the pulling force on the stacked oil bag is eliminated through hand pulling, and oil filling operation on the compensator can be conducted.