99results about How to "Prevent excessive compression" patented technology

Systems and methods for providing high-quality region of interest (HQ-ROI) viewing within an overall scene by enabling one or more HQ-ROIs to be viewed in a controllable fashion, as higher quality ‘windows-within-a-window’ of regions (spatial subsets) of a scene.

An auxiliary light source such as a flash is controlled for highly accurately reflecting a lighting condition with less effect of a factor other than the lighting condition such as contrasting density caused by shadow or black compression or white compression. For this purpose, a parameter acquisition unit obtains weighting parameters for principal components representing lighting conditions in a face region in an image detected by a face detection unit, by fitting to the detected face region a mathematical model generated according to a method of AAM using a plurality of sample images representing human faces in different lighting conditions. A flash control unit obtains a flash control condition by referring to a reference table according to the parameters, and controls flash light emission according to the control condition.

A process for assembling a rigid fitting to a flexible or elastic tube or hose within one of a portable, hand-held and/or mountable assembly device, including the steps of slip-fitting the fitting within a pusher member of the device that includes a torque-producing source capable Of converting input power into linear motion force; b. temporarily restraining a hose open end within the assembly device and; activating the torque-producing source to linearly advance the pusher member and fitting, relative to the restrained hose end, for physically inserting the fitting into the hose open end. Additional steps include: retraction of the pusher member and releasing the now-assemble hose and fitting assembly from the assembly device. Product-by-process claims and article claims, pertaining to the assembly device used in the process for assembling, are also set forth.

Energy absorbing structure disposed beneath the cargo area of an aircraft provides maximum energy absorption and structural strength using carbon fiber reinforced epoxy composites. The energy absorbing structure uses laminated stanchions having ply drop-offs to produce stable, progressive crushing of the stanchions during a wheels-up crash landing. Integrally formed flanges on the stanchions allow direct mounting of the stanchions on the structural members of the aircraft, without the need for specialized fittings.

The invention relates to a multifunctional femoral artery puncture compressing hemostasis device and a control method thereof. The device comprises a fixing device and a control device, wherein the fixing device is provided with a waist fixing belt, a leg fixing belt, an air bag fixing belt, an air bag, a protective layer and a hot compress bag; the waist fixing belt and the leg fixing belt are arranged in parallel; the air bag fixing belt is arranged between the waist fixing belt and the leg fixing belt; a female adhesive buckle is arranged on one side of the air bag fixing belt; and the control device comprises a controller, a pressure sensor, a temperature sensor, a pulse sensor and an inflating and deflating pump. The device can be used for detecting and recording the body surface temperature of a patient in real time, alarming for reminding when the blood pressure, pulse and the temperature are abnormal, regulating the compression strength according to real-time blood pressure and pulse of the patient to enable the patient to feel comfortable, and observing the situation of a punctured point of the patient to facilitate intensive care of medical staff on the patient.

The present invention discloses a sliding device used on the supporting shaft, which utilizes the button to achieve singlehanded operation, utilizes horizontal slide of the bolt to achieve the steady locking of tiny clearance, and utilizes the active connection with relative turn and relative slide between the sliding base and the button to achieve transmission between the pressing of users and the horizontal slide of the bolt.

The invention provides a method for improving vibration attenuation reliability of metal rubber joints. The two metal rubber joints, an inner cylinder and an outer cylinder are included. The method is characterized in that the outer cylinder is arranged on the periphery of the inner cylinder to form an annular cylinder; the two metal rubber joints are both installed in the portion, between the inner cylinder and the outer cylinder, of the annular cylinder in a press-fit manner; a joint bearing is arranged between the two metal rubber joints; the inner cylinder is sleeved with an inner ring of the joint bearing; an outer ring of the joint bearing makes contact with the inner surface of the outer cylinder; deformation of the metal rubber joints makes the inner ring and the outer ring of the joint bearing slide relative to each other; the axial and radial rigidity of the metal rubber joints is increased through the joint bearing; overload protection is formed for the metal rubber joints; partial torsional rigidity of the metal rubber joints is reduced through the relative sliding of the inner ring and the outer ring of the joint bearing; and the purpose of improving the vibration attenuation reliability of the metal rubber joints is achieved. The invention further provides a metal rubber joint assembly.

The invention provides a surgical device for ophthalmic surgery. The surgical device comprises a jacking material, a light guiding fiber, a traction strip and an arc-shaped support. The jacking material and the traction strip are arranged on the inner side and the outer side of one end of the arc-shaped support respectively. A hollow channel is formed in the middle of the jacking material. A through hole is formed in the portion, corresponding to the hollow channel, of the arc-shaped support. A hollow region is formed on the traction strip. The joint of the traction strip and the arc-shaped support can freely rotate. One end of the light guiding fiber sequentially penetrates through the hollow region and the through hole to be embedded into the hollow channel. When the surgical device is used, the jacking material can be aligned with the macula lutea center region through the light guiding fiber, the jacking height can be adjusted through the traction strip, the suture position of the arc-shaped support is adjusted through relative rotation between the traction strip and the jacking end, the implantation position of the jacking material can be accurate and reliable, an implant is stable for a long time, surgical operation is simple, side effects are fewer, and the surgical device is suitable for treating high myopia degree progressive increase and posterior scleral staphyloma related complications.

The present invention discloses a prosthesis based on a connection structure of a porous surface structure and a substrate. The connection structure comprising: a composite body comprising the poroussurface structure and an intermediate connected in advance; the substrate which is used for forming a prosthesis main body, wherein the surface of the prosthesis main body is taken a connecting area and is connected with the composite body; and the intermediate which is located between the porous surface structure and the substrate, and is connected with the connecting area of the prosthesis mainbody, so that the porous surface structure is located in the connectingarea of the prosthesis main body; wherein the substrate and the composite body are arranged between a first polar electrode and asecond polar electrode, and are in electric contact with the porous surface structure and/or the intermediate through the first polar electrode, and the substrate is in electric contact with the second polar electrode, so that a current loop is formed, and resistance welding of the intermediate and the substrate is realized. The composite body and the substrate are connected through a resistancewelding method, and the mechanical property of the substrate is kept; it is ensured that the artificial implant prosthesis has excellent bone ingrowth performance, and the strength of the substrate isnot substantially affected.

The invention belongs to the technical field of vehicle cooling systems and particularly relates to a combination type sealing gasket. The problem that an existing expanding water tank sealing gasket can be easily lost, limiting measures do not exist, and excessive compression can be easily caused is solved. The combination type sealing gasket comprises a steel ring and a rubber ring. The rubber ring is embedded on the surface of an inner frame of the steel ring through a vulcanization technology. A plurality of semicircular inner teeth which protrude towards the circle center direction are evenly arranged on the surface of the inner side periphery of the rubber ring. The gasket is designed in an anti-falling mode, and limiting measures are achieved to avoid excessive compression of the rubber ring. Through the technologies of steel ring surface abrasive blasting and rubber material vulcanization, the fact that the vulcanization intensity of the rubber ring and the steel ring is not smaller than 5MPa is guaranteed. In addition, according to the characteristics of selected rubber materials and the size-chain calculation of a water adding opening cover and a water adding opening base, the best thicknesses of the rubber ring and the steel ring are determined, excessive compression of the rubber ring caused by too large force can be avoided during using, so that sealing gasket damage is avoided, and sealing fails in advance is avoided, and the working reliability of a cooling water system is improved.

The invention relates to the field of general surgery operation auxiliary equipment, in particular to a synchronous retraction device for bilateral muscles of a wound. The synchronous retraction device for the bilateral muscles of the wound comprises a bottom plate, two bases slidably arranged on the bottom plate, traction ropes slidably wound on the two bases, two retraction hooks respectively arranged at two ends of the traction ropes and a driving mechanism used for driving the two bases to synchronously move in approach or apart directions; one sides of the two bases, far away from each other, are provided with a plurality of fixed pulleys for winding the traction ropes at intervals in the height direction, and the traction ropes are wound on the fixed pulleys of the two bases in an inverted C shape; the driving mechanism comprises a lead screw and nuts, wherein the lead screw is rotatably arranged in a strip-shaped chute, the nuts matched with the lead screw are respectively arranged on the two bases, and the rotation directions of two sections of threads which are respectively matched with the two nuts on the lead screw are opposite to each other. According to the synchronousretraction device for the bilateral muscles of the wound, retraction of the bilateral muscle tissue of the wound can be quickly carried out, and meanwhile, over-compression of unilateral muscle tissue caused by the movement of operation part in the retraction process or in the operation can be avoided.

The invention provides an improved automatic bridge cleaning and maintenance device. A bridge includes a horizontal girder (4) with a horizontally extending guiding rib (2), and a secondary girder (41) supporting the horizontal girder (4); the automatic cleaning and maintenance device includes a support frame (99), a water supply pipe (61) supported by the support frame (99) and near to the horizontal girder (4), and a nozzle (62) communicated with the water supply pipe (61) and aligned to the part required to be cleaned of the bridge, so as to clean the part by spraying water; a plurality of guiding bulges extending along the guiding rib (2) are arranged on the upper surface and the lower surface of the guiding rib (2) respectively.

A garment that includes a first shape control material layer and a second shape control material layer fused to the first shape control layer. The first shape control material layer has a first degree of stretch and is shaped in a basic garment shape. The second shape control material layer has a second degree of stretch and is shaped to correspond to a portion of a wearer's body that is less than that covered by the first shape control material layer.

The invention discloses a method for preparing a connection structure between a porous surface structure and a substrate. The method comprises a composite body formed by connecting a porous surface structure and a midbody in advance, the midbody is located between the porous surface structure and the substrate, and the midbody is in contact with the substrate; the substrate and the composite bodyare placed between a first polar electrode and a second polar electrode; the first polar electrode is in conductive contact with the porous surface structure and/or the midbody, and the substrate is in conductive contact with the second polar electrode, and a current loop is formed; and the midbody and the substrate are in resistance welding to realize connection between the composite body and thesubstrate. According to the method, the composite body and the substrate are tightly connected by resistance welding to maintain the mechanical properties of the substrate; and the artificial implantprosthesis can be guaranteed to have excellent bone penetration performance, and the strength of the substrate is not substantially affected.

The invention discloses an anti-sliding hasp type server case structure. The anti-sliding hasp type server case structure comprises an upper cover and a case base, wherein upper cover side plates arearranged on two sides of the upper cover and are connected with side walls of the case base, base sliding nails and side brackets are arranged on inner side walls of the case base, the base sliding nails are arranged above the side brackets, bracket clamping holes with one opened ends are formed in the side brackets, and slide plate clamping holes with opened lower ends are formed in the upper cover side plates and are matched with the base sliding nails; and pressing holes are formed in the upper end surface of the upper cover and are through holes, hasp elastic pieces are arranged on the lower end surface of the upper cover, one ends of the hasp elastic pieces are connected with the upper cover, hasp sliding nails are arranged at the other ends of the hasp elastic pieces, the pressing holes directly face towards the hasp elastic pieces, and the hasp sliding nails are matched with the bracket clamping holes.

The invention discloses a porous surface structure, as well as a connecting structure and a preparing device of a base. The porous surface structure is connected with an intermediate in advance to form a complex body; the intermediate is located between the porous surface structure and the base, and is in contact with the base; the base and the complex body are arranged between a first polarity electrode and a second polarity electrode; the first polarity electrode is in electric conduction contact with the porous surface structure and/or the intermediate; the base is in electric conduction contact with the second polarity electrode to form a current loop; and the intermediate is in resistance welding with the base to realize the connection of the complex body and the base. According to the porous surface structure disclosed by the invention, the complex body is tightly connected with the basal plate through an electric resistance welding method, so that the mechanical property of thebase is guaranteed; and the situation that artificial implanting prosthesis has excellent bone implanting performance can be guaranteed, and the intensity of the base is free from substantive influence.

The invention provides an external chest compression device for cardiopulmonary resuscitation, and effectively solves the problems that in the prior art, cardiopulmonary resuscitation apparatuses aretedious to operate, the compression depth is not liable to control, the adaptability is limited, the compression depth cannot be automatically adjusted according to different individuals, the efficiency and quality of compression are influenced, and the rescuing time is delayed. The technical scheme of the external chest compression device for solving the problems is characterized by comprising aslab, wherein a horizontal plate is arranged on the lower side of the slab; supporting rods are fixed to the lower end surface of the slab; a first connecting rod is arranged on the lower side of theslab; a first gear is arranged on the first connecting rod; a transmission gear is arranged at the lower end of the first connecting rod; a second gear is arranged on the lower side of the transmission gear; a second connecting rod is arranged on the left side of the second gear; a vertical plate is arranged on the upper side of the horizontal plate; a pressure rod is arranged on the horizontal plate in a penetrating manner; a pressing block is arranged at the lower end of the pressure rod; a first wedge-shaped block is arranged at the upper end of the pressure rod; a cam is arranged at the right end of the second gear; a horizontal rod is arranged above the right end of the horizontal plate; a vertical rod is arranged at the left end of the horizontal rod; a sloping plate is arranged on the horizontal plate; a sliding groove is formed in the sloping plate; the horizontal rod is arranged in the sliding groove; and a wedge-shaped protrusion is arranged on the horizontal rod.

Disclosed is an automatic bridge cleaning and maintaining device provided with a caution light. A bridge comprises a horizontal girder (4) provided with a horizontally extending guiding rib (2), and an auxiliary beam (41) supported by the horizontal girder (4). The automatic bridge cleaning and maintaining device comprises a supporting frame (99), a water supply pipe (61) which is supported by the supporting frame (99) and close to the girder (4), and a nozzle (62) communicated with the water supply pipe (61) to spray water onto the portions, needing to be cleaned, of the bridge. A plurality of guiding protrusions extending along the guiding rib (2) are arranged on the upper surface and lower surface of the guiding rib (2) respectively.

The invention discloses an electromagnetic valve for an automatic gearbox. The electromagnetic valve comprises a valve body and a valve element assembled in a center cavity of the valve body. The valve body is provided with an opening P and an opening A. An opening T is formed in the center of the valve element. The valve body is fixedly provided with an electromagnet assembly. The electromagnet assembly comprises a shell, a coil assembly in the shell and a movable iron core in the center of the coil assembly. The center cavity is internally provided with a step surface located between the opening P and the opening A. The center cavity is internally provided with a spring and a steel ball. One end of the spring abuts against the valve element, the other end of the spring abuts against the steel ball, the steel ball is matched with the step surface to control connection and disconnection between the opening P and the opening A, an ejector rod penetrates the center of the valve body, one end of the ejector rod abuts against the movable iron core, and the other end of the ejector rod abuts against the steel ball. The electromagnetic valve for the automatic gearbox has the beneficial effects that the structure is simple, the service life is long, the machining requirement for part coaxiality is lowered, and the machining cost is low.

The invention relates to the field of valve devices, and discloses a spring type safety valve with a high service life. The valve comprises a valve body, a valve element, a valve rod, a sealing sleeveand a spring, wherein the valve element is arranged at the bottom of an inner cavity of the valve body, the valve rod is fixedly connected to the middle of the top end of the valve element, the sealing sleeve is arranged in the middle of the inner cavity of the valve body, a spring is arranged between the valve element and the sealing sleeve in a sleeving manner, a magnetic plate is fixedly arranged on the valve rod in a sleeving manner, a sealing plate is fixedly arranged at the top of the inner cavity of the valve body in a sleeving manner, an electromagnet is fixedly arranged at the bottomof the sealing plate, and an iron plate is fixedly connected to the bottom of the electromagnet. According to the spring type safety valve with the high service life, the magnetic plate, the iron plate, the electromagnet, an iron bar and a magnetic field box are designed, magnetic induction lines in the magnetic field box are cut by the iron bar when pressure relief is finished, so that the electromagnet is electrified to generate attraction force to the magnetic plate, moving down of the valve element is effectively buffered, the collision strength of the attached portions of the valve element and the valve body is reduced, and the service life of a safety valve is prolonged.

The invention provides a compressor protection device and a compressor system and relates to the technical field of compressors. The mainly adopted technical scheme is that the compressor protection device comprises a base plate, rubber pads and protection structures. The rubber pads are limited to the base plate through limiting structures, and the rubber pads are used for being connected with fixing pieces on a compressor; and the protection structures are arranged on the base plate and are used for limiting the displacement of the fixing pieces within the set range. The compressor protection device and the compressor system are mainly used for reducing the shaking or inclining amplitude of the compressor, so that the situation that the compressor collides and damages peripheral parts in the transport and work processes can be avoided; and the size of electrical equipment is further reduced, and the transport cost of the electric equipment is lowered.

The invention relates to an external skeletal fixator, which comprises a transverse support frame, an external fixator and a longitudinal fixator, wherein the longitudinal fixator comprises an outer frame and a bone surface fixing assembly, the bone surface fixing assembly comprises a plurality of fixing blocks, fixing cables are arranged among the fixing blocks, the fixing blocks are fixedly arranged on the outer frame, and a support framework is defined among the fixing cables through the fixing blocks. The external skeletal fixator has the advantages that the matching of the outer frame and tensioning wires is adopted, one fixing mesh or a plurality of fixing meshes is/are formed through the tensioning wires with the smaller diameter under the support effect of the outer frame, the matching on the bone is realized, the tensioning wires have low elasticity, the bone fixation can be ensured, and meanwhile, the bone necrosis due to excessive compression of the tensioning wires on the bone surface can be prevented.