Abstract: The present disclosure discloses a sealing plug, comprising a sealing cover, a sealant and a bracket. The sealing cover is connected to the bracket to sandwich the sealant between the sealing cover and the bracket, and the sealant is at least partially received in a receiving space of the sealing cover. In the sealing plug of the present disclosure, the sealing cover and the bracket are two separate parts, and are then connected together by a connection process such as riveting, and the sealant can be sandwiched between the sealing cover and the bracket. In addition, the sealing plug can restrict the flow of the sealant when the sealant melts, thus avoiding sagging of the sealant after melting or unevenness of the sealant after curing, which not only does not affect the appearance of the component to be sealed, but also ensures the reliability of the sealing plug for sealing the hole of the component to be sealed.

Abstract: The present application provides a fastening clamp, used for connecting a first component to a second component having a connecting post.

Abstract: The present disclosure discloses a fastener and a fastener assembly. The fastener is configured for connecting a first component to a second component, and comprises a main body, at least two clamping arms and at least two abutting arms. The main body is annular. The at least two clamping arms are formed by extending from the main body and configured to clamp the first component. The at least two abutting arms are formed by extending from the main body and configured to abut against the second component. The first component and the second component of the fastener assembly of the present application can be connected to each other stably via the fastener.

Abstract: The present disclosure discloses a fastening assembly having a housing, a positioning body, an adjustment member, and a motion converter. The housing defines a housing cavity. The positioning body is accommodated inside the housing cavity and is movable relative to the housing in a first direction. The adjustment member is rotatable around an axis of the adjustment member relative to the housing. The motion converter is configured such that the rotation of the adjustment member around the axis of the adjustment member drives the positioning body to move relative to the housing in the first direction. The fastening assembly of the present disclosure can connect a first part to a second part with a first part hole and a second part hole positioned with deviations from preset positions, and enable the connected first and second parts to be in the preset positions.

Abstract: A nut fastener assembly includes a nut assembly and a fastening clip. Opposite sides of the bottom of the nut assembly are provided with a pair of protrusions. The fastening clip includes a pair of lugs arranged on opposite ends of the fastening clip and extending towards the nut assembly, and a pair of receiving channels configured to respectively penetrate the pair of lugs. At least one of the pair of lugs is an adjustable lug including a blocking part and an elastic part. The distal end of the elastic part is movable relative to the distal end of the blocking part. The corresponding protrusion in the pair of protrusions can enter the corresponding receiving channel through a space between the distal end of the blocking part and the distal end of the elastic part to be held in the receiving channel.

Abstract: Disclosed is an experimental device and method for solubility determination of methane in oil-based drilling fluid, comprising a pressure-resistant gas chamber and an equilibrium still both arranged in a constant-temperature oil bath heating oven, a gas booster pump, and a vacuum system used for vacuuming the pressure-resistant gas chamber and the equilibrium still, and a data acquisition device for collecting temperature and pressure signals; the gas booster pump is connected to drive air source inlet, a gas check valve is arranged on the pipe between the pressure-resistant gas chamber and the gas booster pump that is also connected with a high-pressure gas cylinder, the equilibrium still is divided into a dissolution equilibrium chamber at the top and a hydraulic oil chamber at the bottom by a high-pressure dynamic seal structure, the dissolution equilibrium chamber is connected to a liquid inlet funnel through the fourth globe valve.

Abstract: The present application provides a fastener for fastening a first component in a second component having a circular hole. The fastener includes a main body and a retaining member. The main body includes a head for connecting the first component and a shaft portion extending from the head. The retaining member includes a receiving barrel and a plurality of retaining arms. The shaft portion passes through and is connected to the receiving barrel to limit the axial and radial movements of the retaining member along the shaft portion relative to the main body. The plurality of retaining arms extend upwardly from the receiving barrel and are distributed about the central axis of the receiving barrel. The plurality of retaining arms are deflectable towards the shaft portion. The plurality of retaining arms are located between the shaft portion and a hole and abut against the hole to retain the second component between the head and the plurality of retaining arms when the retaining member is inserted into the hole.

Abstract: The present disclosure provides a fastener, comprising a main body and a retaining member. The main body comprises a supporting beam. The retaining member is connected with the supporting beam and comprises a pair of retaining arms on a first side and a second side of the supporting beam respectively. The pair of retaining arms are configured to be deflectable toward the supporting beam to enable the retaining member to be inserted into a hole of a mounting part. The pair of retaining arms are configured to abut against the hole to retain the fastener in the hole. The main body is made of a first material, and the retaining member is made of a second material that is more wear-resistant than the first material. The retaining member in the present disclosure can be detached and installed multiple times.

Abstract: The present disclosure provides a clamp assembly for connecting a first component to a second plate-shaped component, the clamp assembly comprising a clamp seat and a clamp. The clamp seat includes a clamp connecting portion and a pair of side walls extending from the clamp connecting portion, and a mounting space is formed between the pair of side walls. The clamp is held within the mounting space, and the clamp has a support and a pair of elastic arms. The pair of elastic arms obliquely extend toward each other from opposite sides of the support of the clamp clamps the second plate-shaped component therebetween. The clamp connecting portion rotatably connects the clamp assembly to the first component. The clamp assembly of the present disclosure is rotatable relative to the first component.

Abstract: The present disclosure relates to the technical field of vehicle components, and in particular, to a pre-assembly member for securing a vehicle nut to a U-shaped structural member. The pre-assembly member includes: a base portion; and a clamping portion. The clamping portion is formed by bending and extending upward from a rear portion of the base portion, and the clamping portion is configured to secure the pre-assembly member to the U-shaped structural member. The pre-assembly member provided by the present disclosure can easily mount the vehicle nut firmly in the U-shaped structural member, and prevent the nut from rotating in the process of mounting a bolt to the nut, so that the bolt is more convenient to mount.

Abstract: A jet flow adjustment method for rotary steerable downhole release includes steps of: defining a diversion ratio p of a jet nozzle by a ground control system; and sending the diversion ratio p of the jet nozzle to a control unit of a downhole rotary steerable system; and determining an opening areas of the jet nozzle by the control unit according to the diversion ratio p of the jet nozzle and an equivalent channel area S of a drilling tool; controlling an adjustable bypass valve by the control unit of the downhole rotary steerable system according to the calculated opening area s of the jet nozzle, so as to control an overlapping area between sector holes of a rotor end and a stator end, thereby opening the jet nozzle for release. The present invention has simple control and strong release ability.

Abstract: The present disclosure relates to the technical field of vehicle components, and in particular to a fastener for securing vehicle accessories, characterized in that the fastener includes: a fastener body, a trim panel securing portion, and an elastic member securing portion, wherein the fastener body includes a vehicle securing portion which is disposed on one end of the fastener body and can be used for securing to a vehicle body, the trim panel securing portion is disposed on one end of fastener body opposite to the vehicle securing portion and can be used for securing to vehicle accessories, and the elastic member securing portion is disposed between the vehicle securing portion and the trim panel securing portion and connects the vehicle securing portion with the trim panel securing portion.

Abstract: A fastening assembly is provided which comprises a compensating element and an isolating member. The compensating element comprises a body having a receiving hole and a retaining flange provided at a first end of the body and having a retaining hole. The isolating member is made of metal and comprises a sleeve portion defining a channel. A fastening element inserted from a second end of the body of the compensating element can enter the channel and move in the channel in one or more lateral directions. The sleeve portion is inserted into the retaining hole and cooperates with the retaining hole to retain the isolating member in the compensating element. The fastening element fastens the compensating element to the second component via the sleeve portion, and the sleeve portion is configured to withstand an axial fastening force exerted by the fastening element on the retaining flange of the compensating element.

Abstract: The invention discloses an experimental system and a method for wellbore pressure testing under the coexistence of gas-kick and loss-circulation, comprising a drill string simulator, a wellbore simulator and a complex stratigraphic structure simulator communicated in sequence from top to bottom; further comprising a medium return pipeline for collecting the returning test liquid and a medium leakage module for collecting the leaking test liquid; further comprising a data acquisition system for collecting data during testing. In the present invention, the experimental system has a simple structure, and the experimental method can comprehensively cover the three stages of circulating, well shut-in and well killing during the occurrence of coexistence of gas-kick and loss-circulation, multiple groups of experiments can be conducted by changing a single variable at the same stage, thus making the experimental test results applicable to all stages of wellbore pressure control in drilling operation.

Abstract: The present application provides a fastening clamp, used for connecting a first component to a second component having a connecting post.

Abstract: The display apparatus of the electronic device includes: a pixel definition layer, an anode layer, a first transparent conductive layer and a driving circuit layer stacked sequentially, the pixel definition layer includes a first pixel definition region, and at least one first pixel unit is formed in the first pixel definition region, and each of the at least one first pixel unit includes a subpixel; the anode layer includes transparent anodes, and each of the transparent anodes is connected to one subpixel; the driving circuit layer is provided with first driving units in a region of the driving circuit layer not corresponding to the first pixel definition region; the first transparent conductive layer is formed with curved transparent conducting circuits; and each of the transparent anodes is electrically connected to one of the first driving units through one of the transparent conducting circuits.

Abstract: A jet flow adjustment method for rotary steerable downhole release relates to a technical field of downhole drilling equipment for oil wells, which includes steps of: defining a diversion ratio p of a jet nozzle (2) by a ground control system according to a cleaning requirement of a cuttings bed; and sending the diversion ratio p of the jet nozzle (2) to a control unit of a downhole rotary steerable system; and determining an opening area s of the jet nozzle (2) by the control unit of the downhole rotary steerable system according to the diversion ratio p of the jet nozzle (2) and an equivalent channel area S of a drilling tool, wherein a calculation formula is: s=p*S/(1?p); controlling an adjustable bypass valve (3) by the control unit of the downhole rotary steerable system according to the calculated opening area s of the jet nozzle (2), so as to control an overlapping area between sector holes (9) of a rotor end (7) and a stator end (8), thereby opening the jet nozzle (2) for release.

Abstract: A display screen assembly, an electronic device, and an image acquisition method are provided. The display screen assembly includes: a display screen including a first region and a second region; a coupling grating, used to couple and transmit an external light being incident toward the first region to the second region; and an electroluminescent device, used to allow the external light to be incident toward the first region or block the external light from being incident toward the first region.

Abstract: Embodiments of the present disclosure disclose a display apparatus, a manufacturing method for a display apparatus, and an electronic device. The display apparatus includes a first display region and a second display region which adjoin each other. A light transmittance of the second display region is smaller than a light transmittance of the first display region. The second display region includes a thin film transistor. A light shielding portion is disposed between the first display region and the second display region to shield the thin film transistor in the second display region from being irradiated by a light signal from the first display region.