70results about How to "Precise closure" patented technology

An apparatus for use in treatment of sleep apnea includes: a first body for use on an upper jaw; and a second body which is matingly engaged by the first body wherein the second body is used on a lower jaw. The first body has a first member and the second body has a second member. The member slidably engages the second member and the second body has a wall which slides along a wall of the first body which moves the second body. The second body is secured to at least one dental implant on the lower jaw.A method of treating sleep apnea, includes: providing an apparatus having a first body for use on an upper jaw; and a second body which is matingly engaged by the first body wherein the second body is used on a lower jaw. The first body has a first member and the second body has a second member. The first member slidably engages the first member with the second member. The second body is mounted onto the lower jaw by securing the second body onto at least one dental implant in the lower jaw. A wall of the first body is slid along a wall of the second body to move the second body.

A method of starting and apparatus for starting a multiphase electrical machine is disclosed. The aim is to reduce oscillatory pulsation in torque generated by the motor and inrush current that occurs shortly after start-up. The starting method comprises the steps of first connecting at least one, but less than all, of a plurality of windings to a respective phase-shifted supply voltage at a controlled point in the supply phase. Then, after a controlled delay following the first connection, connecting the or each remaining winding of the machine a respective phase-shifted supply voltage. The invention has particular application to multiphase (most usually, 3-phase) motors. However, it can also be applied to other electrical machines, such as generators and transformers. The method can be performed at initial start-up or, in the case of application to a motor, at Y-delta switchover.

The invention provides a wok lifting control device. The device comprises an upper mounting framework, a lower mounting framework and a lifting motion mechanism; the upper mounting framework is used for mounting a wok; the top of the lifting motion mechanism is connected with the bottom of the upper mounting framework, and the bottom of the lifting motion mechanism is connected with the lower mounting framework; the upper mounting framework is movably installed on the lower mounting framework through the lifting motion mechanism; the lifting motion mechanism is used for driving the wok to do lifting motion along the central axis of the wok while doing lifting motion. A wok device is controlled to move precisely through the wok lifting control device, the wok device is moved to a wok lid toachieve tight closing of the wok and the wok lid, and automation of a cooking machine is further improved, and the work efficiency of the cooking machine is improved. The invention further provides the wok device which comprises the wok lifting control device and is suitable for the automatic cooking machine.

A method and a device for producing a skin incision in surgical procedures and marking along the margins of the incision are disclosed.

The invention discloses a plate grid corrosion test method at high temperature and an apparatus therefor. In the invention, a more severe corrosion environment of a simulated battery under a working condition is provided, and a plate grid material is subjected to corrosion due to an electrolyte for longer time and at higher intensity, so that the plate grid material can be consumed quicker and theanti-corrosion performance of the plate grid material can be represented quickly, thereby greatly increasing test efficiency on corrosion of the plate grid without consumption of real battery products during the test. The test method only employs a less amount of plate grid material, so that test cost is greatly reduced; meanwhile, by means of a special plate grid corrosion test apparatus at hightemperature for carrying out the plate grid corrosion test at high temperature, temperature control of a colloid electrolyte and accurate sealing of a reaction tank cover are achieved, thereby bringing convenience to the test.

The invention relates to a vehicle door lock assembly machine based on machinery visual detection. The vehicle door lock assembly machine comprises a rack and a distribution control case, wherein a conveyer trough is formed in the rack; a delivering carrying tool is disposed in the conveyor trough; the rack is orderly provided with a pressing device cooperated with the deliver carrying tool, a welding mechanism and a detection mechanism; the detection mechanism has a detection fetching mechanical arm and a mechanical visual detection device; the detection fetching mechanical arm is cooperatedwith the mechanical visual detection device the mechanical visual detection device has a detection rotary disc mounted on the rack; a detection carrying tool is mounted on the detection rotary disc; and a post work station of the detection rotary disc on the detection fetching mechanical arm is orderly provided with a mechanical visual detector, a finished product discharging mechanical arm and anunqualified product discharging mechanical arm. The tail end of the conveyor trough is provided with the mechanical visual detection device, and a vehicle door lock assembling size can be automatically detected; a worker can be reminded of repairing the vehicle door lock with unqualified size in time; and vehicle door lock assembling yield can be improved.

A center touch method and apparatus for use in a contact lens station for use with a contact lens mold assembly comprising a first mold half and a second mold half. The center touch apparatus comprises a center touch engaging member having a center touch engaging surface for engaging a central portion of a non-molding surface of one of the mold halves. The center touch method comprising driving one of the mold halves toward the other mold half using the center touch engaging member to contact a central area of the non-molding surface of the one mold half.

The invention provides a bearing driving device used for a vehicle sliding plug door and belongs to the technical field of rail traffic. The bearing driving device comprises a rack, a motor, a hangingrack and two transmission mechanisms, wherein the motor is mounted at one end of the rack; the output end of the motor is connected with a transmission part; the hanging rack is mounted on the middleportion of the rack, and the transmission part penetrates through the hanging rack; the two transmission mechanisms are located on the two sides of the hanging racks correspondingly; one end of eachtransmission mechanism is in screwed connection with the transmission part, and the other end of each transmission mechanism is connected with a door leaf; each transmission mechanism comprises a four-bar linkage assembly and realizes horizontal sliding and plug sliding of the door leaf through stretching and retracting of the four-bar linkage assembly. The bearing driving device used for the vehicle sliding plug door, provided by the invention, realizes opening, closing and plug sliding of the door leaf of a vehicle through the four-bar linkage assemblies and is simple in structure and convenient to install and debug. Moreover, the problem of the height difference existing in the plug sliding process of an original door leaf due to a swinging mechanism is eliminated. The occupied space ofthe whole bearing driving device is small.

The invention relates to a double eccentric high-sealing butterfly valve which is characterized in that a valve seat (4) is in a combination type, namely an elastic O-shaped ring (11) is wrapped in the valve seat (4) which is made of polytetrafluoroethylene materials, the elastic O-shaped ring (11) is made of fluorine rubber, the valve seat (4) is provided with a valve seat pressure cover (5), a valve body (1) and the valve seat pressure cover (5) are relatively and respectively provided with a valve body positioning gear (12) and a valve seat pressure cover positioning groove (13), the valve body positioning gear (12) is mutually meshed with the valve seat pressure cover positioning groove (13), the valve seat pressure cover (5) is fixed on the valve body (1) by adopting a bolt (14), a valve shaft (6) and a valve board (2) are correspondingly provided with pin grooves (15), and the valve board (2) and the valve shaft (6) are reinforced together by utilizing a pin (16), therefore, the invention increases the sealing force, provides more excellent sealing performance, prolongs the service life, and ensures that the valve board can be accurately closed and can keep stable sealing force.

The invention discloses a metering cylinder dislocation sealing pore heavy punch feeding device. The device includes a metering cylinder (3), which is characterized by comprising an internal ramming piston (2) and a piston rod (1); a metering cylinder (3) is connected to a sealing device main body (10); a discharge plate (7) is arranged in the sealing device main body (10); on end of the discharge plate (7) is connected to a traction cylinder (11); a mold (15) is arranged under the discharge plate (7); and the mold (15) is corresponding to a discharge hole (9). The device realizes tight and reliable sealing, no overflowing, and reliable and accurate reciprocating action and repeatability. During return reset, no cut material strip bonding brings out no material block from a mold cavity, so as to avoid feeding failure; and the device can be applied to automatic feeding of slurry sticky wet material, can carry out storage discharging and shear on the slurry sticky wet material, and has advantages of good practical effect, simple processing, reliable action and high practicability.

The invention relates to the technical field of watertight doors, in particular to a large hinge type watertight door. The door comprises a door frame and a door body capable of sealing the door frame, a first rocker support is arranged at the center of the end face of the side, opposite to the door frame, of the door body, one end of a rocker is hinged to the first rocker support through a pin shaft, and the other end of the rocker is hinged to the driving end of a driving assembly through a pin shaft, a bending part is arranged on the rocker, a second rocker support is hinged to the position of the bending part through the pin shaft and arranged on the door frame. Reliable sealing of the door body and the door frame of the large hinge type watertight door is achieved in a rocker pushing mode, and effective sealing of the large hinge type watertight door is guaranteed; and a watertight pressing strip and a sealing rubber strip are matched to achieve effective sealing of the door body and the door frame.

The present invention relates to an electrochemical cell characterised in that it comprises at least a positive electrode which comprises manganese physically separated from at least a negative electrode which comprises an aluminium alloy, and wherein said positive and negative electrodes are electrically connected through a neutral pH electrolyte. Further, the present invention relates to the use of the electrochemical cell, preferably as a button battery in hearing aids.

The invention discloses a grouting anchor cable fixed-length anchoring and fixed-length grouting anchoring device and a supporting method, and is particularly suitable for the field of anchor rod supporting of repeated disturbance of coal roadways and gob-side entry driving. According to the device and the method, a split split conical anchor ring and an inner conical ring sleeve are fixedly embedded in a wedge shape to form an anchor ring sleeve, and the anchor ring sleeve is arranged at the front end of the grouting anchor cable to achieve fixed-length anchoring of a specific burial depth coal roadway; an anchor ring sleeve and an anchor fluke sleeve which are arranged on the two sides of a grout outlet of the grouting anchor cable form a closed drilling space with the fixed length, and therefore fixed-length grouting reinforcement of a specific surrounding rock fracture area is completed; fixed-length anchoring and fixed-length grouting of the grouting anchor cable enable the surrounding rock anchoring structure to have higher bearing performance and certain buffering and yielding characteristics, the surrounding rock anchoring structure fully adapts to the influence of stress fluctuation, and long-term stability of multiple disturbances of the coal roadway can be achieved; and the anchoring device is simple in structure, convenient to operate, low in cost and remarkable in application effect.

The invention relates to the technical field of casting and particularly relates to a hydraulic steering gear shell casting mold. The hydraulic steering gear shell casting mold comprises a base, a movable mold and a fixed mold; a portal frame is fixedly mounted on the upper surface of the base; a moving assembly used for fixing the movable mold is arranged in the portal frame; a driving assembly is arranged on the portal frame; and the driving assembly is used for driving the moving assembly to move up and down. According to the hydraulic steering gear shell casting mold, the driving assembly is matched with the moving assembly to achieve precise closing between the movable mold and the fixed mold; the casting precision is improved; meanwhile, a rapid mold withdrawing function is achieved through a mold withdrawing assembly; the casting efficiency is improved while manpower consumption is reduced; an electromagnet is matched with a magnet block, and and handle bolts are matched with T-shaped inserting blocks and the T-shaped inserting grooves, so that the fixed mold and the movable mold are quickly disassembled and assembled; and the fixed mold and the movable mold can be quickly replaced when casting parts with different sizes are cast. The invention further relates to a method for casting shells by using the hydraulic steering gear shell casting mold.

The invention discloses multifunctional dispensing equipment for solar battery pieces. The multifunctional dispensing equipment comprises a conveying platform, racks, a working frame, a dispensing device and a transmission structure. The dispensing device comprises a movable block capable of moving back and forth on the working frame, a first air cylinder arranged below the movable block, a fixeddisc arranged at the top end of the first air cylinder, a connecting block rotatably arranged below the fixed disc, a glue gun rotatably arranged below the connecting block, a telescopic structure arranged in the connecting block and used for squeezing the glue gun, a transmission gear arranged on the outer wall of the connecting block and an adjustable power assembly arranged at one side of the glue gun. According to the multifunctional dispensing equipment, the length of the telescopic structure is controlled through the arrangement of the transmission gear, the glue discharging amount within the unit time is effectively controlled, and is unlikely to get affected by external factors, the stability of discharging is greatly improved, and the uniformity of glue discharging is guaranteed;and meanwhile, through the arrangement of the adjustable power assembly, a variety of dispensing modes are provided, and thus the working adaptability of the apparatus is improved.

The present invention discloses a woodwind instrument. A woodwind instrument has a key mechanism (3) provided on a tube (1), and a player selectively closes and opens holes (2) formed in the tube (1) through a fingering; the key mechanism includes keys (20) corresponding to the holes (2), and each of the key (20) has an automatic regulator (21) for uniformly pressing a pad washer (23) to a pad (10) received in a pad cup (11) so that, even if the pad cup (11) is inaccurately fixed to a linkage (3b) of the key mechanism (3), the hole (2) is surely closed with the pad (10).

The invention discloses a plate grid corrosion test method at high temperature and an apparatus therefor. In the invention, a more severe corrosion environment of a simulated battery under a working condition is provided, and a plate grid material is subjected to corrosion due to an electrolyte for longer time and at higher intensity, so that the plate grid material can be consumed quicker and theanti-corrosion performance of the plate grid material can be represented quickly, thereby greatly increasing test efficiency on corrosion of the plate grid without consumption of real battery products during the test. The test method only employs a less amount of plate grid material, so that test cost is greatly reduced; meanwhile, by means of a special plate grid corrosion test apparatus at hightemperature for carrying out the plate grid corrosion test at high temperature, temperature control of a colloid electrolyte and accurate sealing of a reaction tank cover are achieved, thereby bringing convenience to the test.

The invention relates to a method for adapting a friction coefficient of a separating clutch control device of a hybrid separating clutch of a hybrid vehicle. Said hybrid separating clutch (4) disconnects or connects an internal combustion engine (2) and an electric traction drive (3), and the torque (M) supplied by the internal combustion engine (2) and / or the electric drive (3) is conveyed further to the drive wheels (10) of the hybrid vehicle. Said hybrid separating clutch (4) for determining the bite point (TP) moves from an open state into a closed state and a speed gradient (Ga, Gb, Gc)of the internal combustion engine (2) is determined. According to the invention, a very simple adaption of the bite point of the hybrid separating clutch is possible. Said hybrid separating clutch (4)is moved during the operation of the internal combustion engine (2) with constant torque (M) of said internal combustion engine, until a predetermined torque is transmitted by the hybrid separating clutch and the bite point is corrected in accordance with the speed gradients of the internal combustion engine.

The invention provides an electric controllable contraction ring. The contraction ring comprises an annular contraction ring outer frame, tension springs, a winch, a steel cable and a winch motor, wherein a plurality of connecting holes evenly distributed are formed in the inner side of the contraction ring outer frame, and a plurality of mounting holes are formed in the outer side of the contraction ring outer frame; the plurality of tension springs which have the same stiffness coefficient and are uniformly distributed are arranged in the contraction ring outer frame, and the outer end of each tension spring is fixedly connected with the connecting hole; the winch is arranged on one side of the contraction ring outer frame, and a circle of groove is formed in the middle of the winch; a head end of the steel cable is wound in the groove, a tail end of the steel cable is fixedly connected with the contraction ring outer frame, the head end and the tail end are mutually crossed to forma ring body, and the ring body is fixedly connected with the inner end of each tension spring in sequence; and the winch motor is arranged at the bottom of the winch and used for driving the winch torotate so as to control the number of turns of the steel cable wound in the groove. The contraction ring has the beneficial effect that grabbing adaptability and flexibility of the underwater robot are improved.

The invention discloses an environment-friendly anti-blocking structure for a sewer pipe of a vegetable washing basin, and belongs to the technical field of sewer pipes. The environment-friendly anti-blocking structure comprises an anti-blocking pipeline, a drainage main pipe and a vegetable washing basin, wherein the bottom end of the drainage main pipe is connected with the anti-blocking pipeline; the anti-blocking pipeline comprises a front-section pipe, a middle pipe and a rear-section pipe which are integrally formed; a connecting box which communicates with a connecting port is obliquely arranged at the bottom of the anti-blocking pipeline at the joint position; a rotating cylinder is obliquely arranged in an upper cavity of the connecting box through a bearing; a spiral sliding groove is formed in the inner side wall of the rotating cylinder; and a piston cylinder is connected to the interior of the rotating cylinder in a sliding mode. According to the environment-friendly anti-blocking structure, a drainage fan is driven to rotate through water flow, and the rotating cylinder is driven to rotate; and balls in semicircular clamping grooves in the two sides of the bottom of the piston cylinder are matched with the spiral sliding groove formed in the inner side wall of the rotating cylinder, so that the piston cylinder moves along the interior of a third anti-blocking circular straight pipe, blocking objects are conveyed, the interior of the anti-blocking pipeline is prevented from being blocked, and the use is convenient.

The invention provides a rocker plate type switch, belongs to the field of electric appliance switch, and solves the problem that the relative positions of a spring sleeve and a rocker plate in the conventional rocker plate type switch are easily changed. A through hole is formed in the upper cover plate of the rocker plate type switch; a key is mounted in the through hole; the upper cover plate is buckled on the base; the lower part of the key is column-shaped; a spring hole is formed in the center of the key; a spring and a sliding block are mounted inside the spring hole; the upper end of the spring is propped against the bottom of the spring hole; the lower end of the spring is fixedly connected with the upper end of the sliding block; the lower end of the sliding block is propped against the surface of the rocker plate; a first static contact is arranged below one end of the rocker plate; the sliding block is column-shaped; the spring hole is provided with a first side wall, a second side wall, a third side wall and a fourth side wall; the distance between the first side wall and the second side wall is greater than or equal to the diameter of the sliding block; the distance between the first side wall and the second side wall is smaller than the smallest distance between the third side wall and the fourth side wall. The rocker plate type switch is high in closure and opening sensitivity and is stable and durable.

The invention discloses an intelligent phase selection switch controller, and belongs to the technical field of power electronics. The intelligent phase selection switch controller comprises a microprocessor, a power supply circuit, a displaying circuit, a failure alarming circuit, a voltage zero point capturing signal collecting processing circuit, a current zero point capturing signal collection processing circuit, a voltage failure detection signal collection processing circuit, a current failure detection signal collection processing circuit, a magnetic latching relay driving circuit and a switch controller mode conversion circuit. The microprocessor receives input commands and signals input by the four signal collection circuits, carries out processing on the input signals, and controls the magnetic latching relay to achieve zero passage switching. The intelligent phase selection switch controller can achieve flashy-flow-free input of a capacitor and electric-arc-free disjunction of relay contactors, can detect and automatically compensate action time error of zero switching, and can carry out detection on the performance of the relay, so that a user an replace different magnetic latching relays according to actual needs.

The invention discloses a die machining fixing device with a limiting function and belongs to the technical field of die machining devices. The die machining fixing device with the limiting function comprises a base. The bottom of the base is provided with universal wheels. The left side and the right side of the top of the base are both provided with supporting plates. The tops of the two groupsof supporting plates are both provided with an installation plate. A first electric telescopic rod is arranged on the right side of the bottom of the installation plate. A second electric telescopic rod is arranged on the left side of the bottom of the installation plate. The bottoms of the first electric telescopic rod and the second electric telescopic rod are both provided with fixing blocks. The opposite faces of the two fixing blocks are both connected with an upper die. The end, far away from of the upper die, of each fixing block is provided with a smooth column. The outer peripheries of the smooth columns are provided with slider sleeves in a surrounding manner. The top of the base is provided with a lower die. The left side and the right side of the outer periphery of the lower die are both provided with connection plates. The die machining fixing device with the limiting function achieves limiting treatment in the die machining process and can conduct clamping treatment on components in the die machining process at the same time.

The invention relates to an adaptive zero-crossing protection relay for light control, which includes a live wire sampling circuit, a relay feedback sampling circuit, a relay drive circuit and a micro-processing unit; the live wire sampling circuit samples the phase of the alternating current in real time, and The sampling result is sent to the micro processing unit; the relay feedback sampling circuit samples the contact state of the relay in real time to obtain accurate closing and disconnecting moments, and the sampling result is sent to the micro processing unit; the relay The drive circuit amplifies the control signal from the micro-processing unit to drive the main relay as a switching element to act; the micro-processing unit obtains the zero-crossing trigger time according to the set program according to the sampling information of the live wire sampling circuit and the relay feedback sampling circuit . Therefore, the triggering time can be adjusted according to the actual action performance of the relay used in the relay light control circuit, and the self-adaptive function is achieved.

The present invention relates to the technical field of electronic circuits, and discloses a switch control circuit and a switch control system, wherein the control circuit includes: a plurality of parallel signal processing units, the signal processing unit has a first controllable switch; the first controllable The first end of the switch is connected to the first voltage signal, the second end is connected to the first port of the controller, and the third end is connected to the second voltage signal; the first voltage signal and the second voltage signal control the first control the on and off of the switch, and convert the first voltage signal into a third voltage signal; the third voltage signal is connected to the first port of the controller; the controller is configured to , and send the switch control command to the terminal to be controlled. After converting the high strong electric signal into a low stable weak electric signal, the circuit combines the controller to realize multi-channel switch control, and only processes the voltage signal in the whole circuit, avoiding the processing of various types of signals and ensuring the multi-channel Reliability of switch control.

The invention discloses a lasso lifting integrated device suitable for a hoist crane, belonging to the technical field of construction engineering. The device controls the connection state of the L-shaped lasso and the wire rope connecting the lock through the rotation of the rotating shaft, and the lock automatically controls the locking state of the lock through the sensor, so as to realize the self-lasso operation of the object to be hoisted and assist the hoisting. The invention realizes the combination of lassoing and hoisting of objects in the process of hoisting and transporting objects, solves the problem that some high-altitude objects are not easy to lasso in the process of hoisting and transporting objects, liberates labor, ensures hoisting safety and improves hoisting efficiency.

The invention relates to a suction device (1) for a spinning machine with at least one suction opening (4) arranged at one end of the suction device (1) for sucking off a fiber structure, a connection opening (6) arranged at the other end for connection to a vacuum device (2), which is arranged between the two ends, is arranged on the pipe section (5) and is used to accumulate debris deposits (8),which is movable between at least one working position (15) and at least one cleaning position (16), is formed as a part of the dust collecting space (7). According to the invention, an opening (10) in the dirt collecting chamber (7) is cleared in the cleaning position (16) for cleaning the dirt collecting space (7). Furthermore, the invention relates to a spinning machine with a plurality of spinning stations which each have a drafting device and a drier generating device, and with an exhaust system which has at least one suction device (1) according to the preceding description. The invention also relates to a method for the extraction of loose fibers, dirt and fiber structures with a suction device (1) according to the preceding description.