194 results about "Downward displacement" patented technology

An attaching and detaching device for a contaminant collecting receptacle of a cyclone separator in a vacuum cleaner includes a sealing member having a through hole for providing fluid communication and air flow, a lever member surrounding the sealing member, and a guide member to guide upward and downward displacement of the lever member depending on the direction of displacement of the guide member.

A road surface detection apparatus capable of detecting an upward / downward displacement in radar axis when detecting a road surface by projecting a radar beam. The apparatus projects a radar beam signal onto the road surface on which the radar-equipped vehicle is traveling, and receives a signal containing a reflected signal of the radar beam signal. Then, the apparatus compares the level of the road surface reflected signal contained in the received signal with a predetermined reference level and, if the result of the comparison lies outside a predefined range, then the apparatus determines that the axis defining the projection direction of the radar beam signal is displaced.

The invention relates to a calibration device for a rock radial deformation sensor, which is suitable for calibrating or correcting radial deformation sensor when in rock indoor test. The calibration device for a rock radial deformation sensor comprises a screw micrometer and a displacement switch device; the displacement switch device comprises a connecting and fixing sleeve, a displacement switcher, a guide connector, a transverse displacement rod, a spring and a screw cap; when in calibration, the radial deformation sensor to be calibrated is sheathed on the guide connector and is contacted with the transverse displacement rod; a knob above the screw micrometer is rotated so as to produce downward displacement; and the displacement is transmitted to the transverse displacement rod through the displacement switcher so as to produce horizontal displacement. The invention solves the problems of inconsistent calibration precision and error analysis among different calibration methods of the sensor. The calibration device has simple structure, easy manufacturing, convenient operation and wide applicability, and can be used for calibrating and correcting the three types of currently normally-used radial deformation sensor.

A chest compression monitor for measuring the depth of chest compressions achieved during CPR. A sensor of the chest compression monitor is disposed within its housing such that compression of the housing due to CPR compressions, and its resultant deformation, is detected by the sensor and used by the control system as the starting point for calculating chest compression depth based on an acceleration signal indicative of the downward displacement of the chest.

The invention discloses a method for increasing condensate oil recovery ratios of condensate gas reservoirs by means of gas injection vertical displacement, and belongs to the technical field of condensate gas field development. The method includes selecting proper injected gas according to a principle that a gravitational differentiation phenomenon is obvious when a density ratio of the preferable injected gas to fluid of the gas reservoirs is lower than 0.75 under a formation condition in gas injection physical model experiments and actual production; determining injection and production well locations, perforation intervals, well patterns and well spacing by the aid of a kinetic mechanical analysis process for micro-elements of the injected gas so as to effectively form artificial gas caps in gas injection procedures; determining critical gas production rates according to a critical production rate correction formula. The critical gas production rates are used for preventing increase of gas-oil ratios due to coning of the injected gas. The method has the advantages that the artificial gas caps can be formed at high structural positions by the injected gas, condensate gas can be subjected to vertical downward displacement by the aid of the injected gas, accordingly, the sweep efficiency of the injected gas is close to 100%, and the injected gas utilization rate and the final condensate oil recovery ratios can be obviously increased.

A plug security structure includes a plug, a cable, a jacket, a movable cap and a key. By means of a middle block, the movable cap is slidably insertable into sliding grooves in between two upright sidewalls of a front bracket of the jacket to stop the front stop block and to have outer ribs of the elastic retaining members of the movable cap be stopped at rear end edges of the sliding grooves in the upright sidewalls of the front bracket, preventing the latch from downward displacement to unlock the plug from the mating jack and assuring a high level of network data transmission safeness. The cap has a raised portion for friction engagement with the bottom surface of the stop wall of the front bracket of the jacket, preventing vibration or displacement of the movable cap and assuring positive operation of the latch of the plug.

Disclosed herein is an inertial sensor. There is provided an inertial sensor 100, including: a plate-like substrate layer 110, a mass body 130, a post 140, a support part 150 extending in the central direction of the mass body 130 from the post 140, and a detection unit 170 detecting the displacement of the displacement part 113. The inertial sensor adopts the support part 150 limiting the downward displacement of the mass body 130 to prevent the support portion of the mass body 130 from being damaged.

The invention relates to an on-line and real-time measuring device for friction stir welding by taking a numerical control machine tool as a body. According to the on-line and real-time measuring device, the axial pressure and the torque of a stirring head can be detected in real time in the welding process, and the pressure and the friction torque can be controlled by adjusting the downward displacement amount of the stirring head. The on-line and real-time measuring device comprises an on-line collecting and processing module, a signal display and communication module and an upper computer module; two signal real-time sensing units in the on-line collecting and processing module acquire and process detection signals in real time and convert the detection signals into numerical value information of the pressure and the torque; the signal display and communication module is signal digital quantity liquid crystal display, is in communication transmission with an upper computer and has the threshold value monitoring and alarming function; and the upper computer module is used for being in communication with the signal display and communication module, setting the ''zero point'' and the ''threshold value'' of the pressure and the torque and storing the measured numerical value in real time. The on-line and real-time measuring device has the advantage that the pressure and the torque in the friction stir welding process can be detected and displayed in real time, and a detection method is provided for constant-pressure and fixed-torque welding.

An infant high chair includes a standing frame, a seat assembly and a side segment. The seat assembly includes a seat support frame movably connected with the standing frame, and a rear and a front seat portion respectively connected with the seat support frame, the front seat portion being respectively connected with the seat support frame and the side segment at two vertically spaced-apart locations. The side segment is pivotally connected with the seat support frame about a pivot axis, and is rotatable between a folded state and a deployed state. A rotation of the side segment in a folding direction drives a rearward sliding displacement of the front seat portion relative to the rear seat portion. Moreover, a downward displacement of the seat assembly to a predetermined lower position while the side segment remains in the folded state can trigger unlocking of the standing frame.

A pressure vessel provided with a first port acting as a high pressure inlet of a first stream and a second port acting as a high pressure outlet. A rotatable valve element is located in the center of the machine. In operation, a fluid stream is introduced to the machine at high pressure where it then passes through the open ports of the valve element and into flow distributor causing upward displacement of a first duct piston, resulting in pressurization and flow of a second fluid. At the same time the second fluid is introduced to the machine at low pressure and flows into the pressure exchange duct, causing downward displacement of a second duct piston and resulting in flow of the first fluid below the duct piston, which then flows into the lower flow distributor, into the valve element, and then out of the pressure vessel.

The present invention pertains to a structure for supporting portions in two sites in the axial direction of a cable (38) of an electrical component, the portions between supported between an energy-absorbing member (35) near an inner column (9a) and a cable supporting bracket (52) near an outer column (10a), the cable (38) being capable of minimizing resistance against frontward displacement a steering wheel accompanying a secondary impact. The energy-absorbing member (35) has a supporting plate part (46) in which a portion thereof is displaced downward during a secondary impact. A portion of a medial part between the portions in two sites in the axial direction of the cable (38) is supported by the supporting plate part (46). The medial part of the cable (38) bends under downward displacement accompanying deformation of the supporting plate part (46) during a secondary impact. Consequently, axial stiffening of the cable (38) is suppressed during a secondary impact.

The invention discloses an electrolyzer for use in electrolytic in-process dressing metallic bond pellet grinding processing, which belongs to the field of grinding precision processing. A grinding disk of which the upper surface is embedded with grinding pellets is taken as an anode, and is driven to rotate by a machine tool main shaft; a workpiece disk and a workpiece are arranged in a chuck; a pressure head is used for driving the chuck to move transversely in a reciprocating way on the grinding disk to grind the workpiece; stainless steel boxes are taken as cathodes and are symmetrically distributed on both sides of the pressure head, and a micro transmission mechanism is arranged to realize fine adjustment of upward and downward displacement of the stainless steel boxes; through sensors, a PLC (Programmable Logic Controller), stepping motors and the micro transmission mechanism, the distances between the bottoms of the stainless steel boxes and the grinding disk are always kept about 1 millimeter; and moreover, the bottom surfaces of the stainless steel boxes are provided with grinding liquid spray holes which are distributed uniformly, so that an interpolar electrolytic in-process dressing function, i.e. anode dissolving, is performed fully and stably, and ultra-precision grinding processing of the workpiece is realized.

An airbag apparatus has an airbag body, which is arranged between a roof panel and a roof head lining of a vehicle and held in a folded state. The airbag body also has a second bolt, a fixed piece, and a folded portion. The airbag body is fixed to a guide portion of an inner panel by the second bolt. The fixed piece is fixed by the second bolt. The folded portion extends from the fixed piece and is maintained in a folded state. The airbag body also includes a binding tape and a restricting plate. The binding tape binds the folded portion together and releases the folded portion when the airbag body is deployed and inflated. The restricting plate ensures an open space below the folded portion and restricts downward displacement of the folded portion when the airbag body 13 is fixed to the guide portion.

The embodiment of the invention discloses a three-dimensional modeling method, a three-dimensional modeling device, three-dimensional modeling equipment, and a computer readable storage medium. The method comprises the steps of generating a two-dimensional contour line of an object to be modeled according to the operation that a user clicks a coordinate point in a three-dimensional coordinate system, wherein a one-dimensional coordinate in each coordinate point is set to be 0; and then according to upwards and downwards displacement information of a contact of the user on a plane perpendicularto the two-dimensional contour line, adjusting the height of the two-dimensional contour line on the plane, so as to convert a two-dimensional pattern into a three-dimensional pattern, thus generating a three-dimensional model of the object to be modeled. According to the technical scheme provided by the invention, a three-dimensional model of the object to be modeled is drawn in a human-computerinteraction manner, the user can dynamically add, modify and delete the three-dimensional model via an interface interaction mode according to own needs, so that the timely and quick building of thethree-dimensional model is achieved, the operation is convenient and quick, the three-dimensional modeling efficiency is enhanced, and the large-scale virtual scene building requirement is met.

The structures described herein use an actuating system that can selectively switch between a lower and a raise mode of operation by rotating a rod assembly, and use a downward displacement of a pull member to lower and raise the window shade depending on whether its switching state. The actuating systems are simple to operate, allow convenient adjustment of the window shade, and are safe as the pull member has a limited length of extension.

The invention discloses a flat specimen high-temperature tension-compression fatigue test clamp and method. The clamp and method implement clamping on the flat specimen in a high-temperature test, so that the flat specimen can be subjected to the tension-compression test under high-temperature conditions. A fatigue machine hydraulic clamping head clamps an optical rod end of a central shaft and is connected with a connecting rod through a sleeve, and the central shaft is provided with a fixing nut which is used for restricting the downward displacement of the sleeve; the connecting rod is fixed with the sleeve through a screw; the connecting rod is connected with a wedge clamp body through threads; the central shaft penetrates through a through hole in the middle of the connecting rod, and the shaft end is connected with a guide table; the guide table is positioned in a groove between two wedge clamping bodies, and used for guiding the wedge clamping blocks to move up and down; the specimen is clamped by the wedge clamping blocks in the wedge clamp body, the bottoms of the wedge clamping blocks are abutted by the top end of the guide table, and both ends contact the wedge surface inside the wedge clamp body so as to restrict the upward displacement of the clamping blocks; and the top ends of locking threads extending from threaded holes on both sides of the wedge clamp body contact the square clamping blocks, so that the square clamping blocks abut against both sides of the clamp blocks, thereby restricting the downward displacement of the wedge clamping blocks.

The invention provides a vertical force measuring type bridge support and a force measuring method. The vertical force measuring type bridge support comprises an upper support, a seat board, a bottombasin, a displacement amplification device and a displacement sensor; and the upper part of the support bears force-displacement conversion. After the support bears a vertical force, the center of a lower seat board generates a downward displacement; through the displacement amplification device, the displacement is amplified and led out of the support; through a load test, a relation between thevertical load force of the support and the reading of a displacement sensor is calibrated to realize purposes of force-displacement conversion and an easily detached and changed displacement measuringelement.

A pedal bracket (3) affixed to a dash panel (1) pivotably supports a pedal unit (2) via a first pivot shaft (13) and a pivotable lever (5) via a second pivot shaft (17). A shaft retainer (51) prevents a downward displacement of the first pivot shaft (17) under normal conditions, whereas the pivotable lever (5) goes into contact with a side member (33) of a vehicle body and pivots on the second pivot shaft (17) in a specific direction in the event of a vehicle collision, thereby thrusting and displacing the first pivot shaft (13) downward and disengaging the pedal unit (2) from the pedal bracket (3). At this time, the shaft retainer (51) draws back from underneath the first pivot shaft (13), for instance, as a result of pivoting of the pivotable lever (5) and goes into a nonrestrictive state in which the shaft retainer (51) allows a displacement of the first pivot shaft (13).

The invention relates to a table press, in particular to a preparation method for a table press. A workbench is included. A plurality of uprights are arranged on the upper portion of the workbench and are sleeved with a machine body. A sliding block component is arranged in the machine body. A crankshaft component is arranged on the upper portion of the sliding block component. A bulb screw is arranged among the upper portions of the uprights. A hand wheel is arranged at the top of the bulb screw. The crankshaft component is in linkage with the bulb screw and achieves downward displacement. The bulb screw extends into the sliding block component and drives the sliding block component to achieve up-down displacement. According to the preparation method for the table press, the structure is compact, the usage performance is promoted, and the operation effectiveness is improved.

The present invention is capacitive detecting structure and method for micro cantilever beam fatigue property. The structure includes one silicon substrate with one nitride layer, one test structure set over the nitride layer, and one corresponding lower electrode set on the upper surface of the nitride layer. One alternative pressure difference is applied between the test structure and the lower electrode set for the cantilever beam to vibrate reciprocally. In different vibration stages, the cantilever beam will change in rigidity to result in downward displacement change, and the capacitance between the test structure and the lower electrode set is detected to reflect the fatigue process of cantilever beam until the life end. The structure and the method are simple, intuitive, reliable and precise.

This invention provides a sensor attachment device that can be easily attached and detached, a sensor and a light emitting device for a photo-electrical sensor. By downward displacement of an operation member after tip ends of a pair of locking hooks are locked to a sensor main body by inserting the sensor main body into an insertion opening with second regions of a pair of facing surfaces respectively facing toward external surfaces of central portions of the pair of locking hooks, the central portions of the pair of locking hooks can be pressed inwardly by first regions of the pair of facing surfaces, thereby fixing the sensor main body to a holding member. Accordingly, the attachment of the sensor main body is easy in comparison with the conventional configuration in which a nut is screwed onto the sensor main body, then rotated and fastened.

The invention discloses an audio device and a method thereof. The audio device comprises a voice coil and a vibration structure. The voice coil is in mutual exchange with a magnetic return system. The vibration structure comprises an upper suspension edge and a lower suspension edge, wherein the upper suspension edge is used for guaranteeing upward movement and upward displacement of the voice coil, and the lower suspension edge and the upper suspension edge are parallelly arranged to guarantee downward movement and downward displacement of the voice coil. When the voice coil moves upwardly and has an upward displacement, the lower suspension edge pulls the voice coil to return to an initial position. When the voice coil moves downwardly and has a downward displacement, the upper suspension edge pulls the voice coil to return to the initial position. Thus, the voice coil does reciprocating motions in a stable and linear mode.

The invention discloses a gravity deformation compensation device for an optical element. The gravity deformation compensation device comprises the optical element, a deformable picture frame, a pair of annular electromagnets, a capacitor sensor and an upper cover board, wherein the deformable picture frame is in an integral structure formed by an inner ring of the picture frame, an outer ring of the picture frame and a support circular ring; the inner ring of the picture frame is fixedly connected with the optical element through an injection hole in the side wall; the lower part of the support circular ring contacts an outer picture frame boss to provide a support point; one annular electromagnet is arranged at the upper part of the outer ring of the picture frame; a vertical downward displacement is provided through repulsion between the electromagnets; and the outer frame of the deformable picture frame drives the inner frame to carry out an axial movement after being loaded, so that the optical element deforms; compensation of a rotational symmetry aberration is finally achieved; and the gravity deformation compensation device for the optical element has the advantages of being simple in structure, reasonable in design and the like.

The present invention provides an acceleration sensor that improves endurance by avoiding damage to stopper portions. When a downward vibration is applied to a weight member and the weight member displaces downward, a bottom face of the weight member abuts a bottom plate, and the weight member stops and downward displacement is obstructed. Furthermore, when the weight member displaces upward, peripheral weight portions abut stopper portions, and the weight member stops and upward displacement is obstructed. Because displacement of the weight member is obstructed by abutting the stopper portions, if the strength of the stopper portions is low, the stopper portions may be damaged. However, by providing reinforcement portions which reinforce the stopper portions, damage to the stopper portions may be prevented, and endurance of the acceleration sensor is improved.

The invention relates to a high efficient and multifunctional backbone treatment couch, comprising a couch body; the couch is characterized in that the couch surface of the couch body is a couch plate for patients to lie down in two directions; one end of the couch plate is provided with two slots corresponding to cervical vertebra and lumbar of a patient respectively; the two slots are respectively provided with a corrective, the lower end of the correctives are fixedly connected with a lifting mechanism which enables the correctives to carry out upward and downward displacement; the other end of the couch plate is provided with a fumigating hole respectively corresponding to cervical vertebra and lumbar of the patient; a fumigating barrel containing fumigating liquid medicine which can be respectively connected and used with the fumigating holes in a movable way is also provided; a leg fixing band is arranged at the fumigating hole end of the couch plate. The treatment couch of the invention has the beneficial effects that the treatment effects are improved, the intervertebral discs are restored; moreover, the couch bed is designed in a scientific and safe way; in particular, music remedy is added to backbone correcting treatment, thus serving to improve mentality of the patient; furthermore, the device can be directly applied to families where the patient can be treated by following the advice of the doctor, thus saving time and trouble, offering a convenient and cozy environment and accelerating recovery.

A dispenser includes an improved closure arrangement for sealing the dispenser in such a manner that oxidation of the paste-like product to be dispensed is avoided. The main headpiece is spring biased upwardly toward a first position relative to the container and to the product delivery piston, whereupon the upper end surface of the piston is spaced a given distance from the headpiece, and a cylindrical bearing surface on the headpiece closes the product supply outlets contained in the piston. When the main headpiece is depressed downwardly by the given distance toward an intermediate second position in which the headpiece engages the adjacent piston end surface, the bearing surface on the main headpiece is displaced downwardly to open the piston outlets. Upon further downward displacement of both the headpiece and the delivery piston toward a third position relative to the container, the paste-like product is pumped from the delivery chamber by the delivery piston for discharge via a main product outlet contained in the headpiece.

The invention relates to an apparatus and method for testing in-situ triaxial tension fatigue under multi-field coupling, belonging to the field of precise scientific instruments. The apparatus comprises a triaxial tension, fatigue loading and measuring subsystem, a thermal-field loading subsystem and a cantilever indentation loading and measuring subsystem. Loading of triaxial tension is realized as a motor, after decelerated by a two-grade worm and gear, drives a screw-screw nut pair mechanism to drive an tension platform; fatigue testing is realized via a flexible hinge driven by three piezoelectric ceramics; a thermal field is loaded as a heating system composed of a silicon nitride heating plate and a heating bench carries out heat-radiation heating on a test piece; cantilever indentation is applied as the piezoelectric ceramics drive the flexible hinge to allow a cantilever beam to generate downward displacement; and a main platform is provided with a location hole, a microscope can be integrated on the main platform through an installation platform, so in-situ observation of the test piece in loading is realized. The apparatus is reliable in principle and compact in structure and can accurately characterize micro-nano mechanical properties of a material under multi-field coupling like triaxial tension.

A vehicle seat stabilization system configured for minimizing downward displacement of a seat cushion upon vehicle impact includes a vehicle seat and a stabilization device. The seat has a first and second vertical position and includes the cushion, a torque tube, mounting arrangement, slide assembly, and lift linkage. The device is configured for minimizing downward displacement of the cushion upon vehicle impact and includes a piston, rod, first cylinder, and a second cylinder disposed entirely within and cooperating with the first cylinder to define a conduit. The piston divides the second cylinder and defines a first and second chamber in fluid communication via the conduit. The device includes fluid and a member disposed within the second cylinder moveable upon vehicle impact to seal off fluid communication between the conduit and the second chamber to minimize downward displacement of the cushion upon impact when the seat is in the second position.

A flute attachment includes a flexible securing member and a resisting member. The securing member is attached to a lower flute surface for resting of a thumb of the flute player, and has a base segment defining a rear pad region and having a front lateral edge in frictional engagement with a front flute surface. The resisting member includes a fulcrum region joined with a rear lateral edge of the base segment, a weight end extending outward from the fulcrum region, and a tab end extending from the fulcrum region and away from the flute axis. The tab end and the rear pad region define a thumb abutting area for application of forces to prevent undesirable rotation of the flute about the flute axis and to prevent undesirable downward displacement and deviation of the flute during playing.