38results about How to "Reasonable shape design" patented technology

The invention discloses a light handheld laser swinging welding head. The light handheld laser swinging welding head comprises a collimating unit, a control unit and a light path unit, the collimatingunit is provided with a collimating connecting cylinder, the outer side wall of the circumference of the collimating connecting cylinder is a holding part, a laser incident end and a laser emergent end are oppositely arranged at the two ends of the collimating connecting cylinder, the control unit comprises a light contact switch and an induction welding nozzle, the light path unit comprises a light path main body and a swinging main body, the light path emergent end of the light path main body is bent downwards and is connected with a welding head body, the light path incident end of the light path main body is horizontally connected with the laser emergent end, and the swinging main body is arranged in a mode of extending upwards in the direction away from the outer end surface of the light path incident end. According to the light handheld laser swinging welding head, a swinging motor is arranged to control the angle of a reflecting lens in real time, and the laser light path is adjusted, so that the width of a weld joint is adjusted, the width of the weld joint is increased, then a product is not prone to weld penetration, and the welding efficiency and the welding quality areimproved.

The invention relates to a cannula assembly for cerebral vascular intervention through radial artery approach, which comprises an outer cannula, a middle passage catheter and a guide wire; the outer cannula is provided with a first bending section, a first linear section, a second bending section, a second linear section, a third bending section, an outer cannula linear section and an outer cannula joint; the second bending section is bent towards the far-end direction, and the bending curvature of the far-end section of the second bending section is larger than that of the near-end section of the second bending section; the second linear section is longer than the first linear section and has larger inclination; the middle passage catheter is provided with a head end section, a neck section, a middle passage catheter linear section and a middle passage catheter joint; and the hardness of the outer cannula is greater than that of the middle passage catheter. The cannula assembly can improve the convenience and success rate of whole cerebral vascular hyperselection through the radial artery approach, avoids vascular injury, is suitable for approach of any one of left and right radial arteries, and can be used for cerebral angiography and cerebral vascular disease interventional therapy.

The invention particularly discloses a novel spinning boundary process, belonging to the field of spinning. According to the invention, the continuous longitudinal relationships between cleaning, carding, drawing, combing, roving, refining and spooling and the like are researched so as to master the regularity; the quality of high-complexity products is improved to a worldwide advanced level by taking raw cotton as a premise, temperature and humidity as conditions, equipment as a foundation, the process as a core, facilities as key and operation as a guarantee. In the novel spinning boundary process, the spinning steps are researched so as to obtain the regularity, thus the quality of products is reliably guaranteed, and the difficulties in production of the high-complexity products are solved; and the process is suitable for widely popularized and used.

The invention discloses a portable computer hinge shell manufacturing method. A hinge shell comprises a cylindrical shell body and a baffle sheet arranged in the cylindrical shell body; an accommodation space is formed in the cylindrical shell body; and the baffle sheet is connected with the inner wall of the cylindrical shell body in a spot welding manner and is perpendicular to the inner wall ofthe cylindrical shell body. The manufacturing method comprises the following processes of stamping the baffle sheet; performing CNC machining on the cylindrical shell body; welding the edge of the baffle sheet to the inner wall of the cylindrical shell body in a laser spot welding manner; polishing the outer surface of the cylindrical shell body; forming a printing ink layer on the outer surfaceof the cylindrical shell body; performing laser carving to remove printing ink: performing the laser carving to remove the printing ink layer of a matte region; performing abrasive blasting on the outer surface of the cylindrical shell body; performing cleaning to remove the printing ink; and performing anodic oxidation. The hinge shell manufactured by adopting the method is simple in structure, attractive in appearance, convenient in machine shaping and high in degree of matching with a hinge of a portable computer; after installation, the hinge does not get loose and is high in matching degree and stable in rotation; the baffle sheet is connected with the cylindrical shell body through laser spot welding, so that no residues are generated; and the method is suitable for high-end portableproducts.

The invention relates to an anterior cervical controllable advancement apparatus. The anterior cervical controllable advancement apparatus comprises a fixed arm, a movable arm, a gear rack, a grooved limiting rod and lifting rods, and further comprises a synchronous lifting component, wherein vertebral body screws are assembled at the lower ends of both the fixed arm and the movable arm; the gear rack and the grooved limiting rod are connected to the fixed arm and the movable arm and are capable of sliding relative to the movable arm; the lifting rods are inserted in a limiting groove of the grooved limiting rod; adjusting screw rods and adjusting nuts, which are sleeved, are arranged on the lifting rods; the adjusting nuts are embedded and retained on the upper side of the limiting groove; oblique through holes are formed in the lower ends of the lifting rods; and angle fixing nails are assembled in the oblique through holes. According to the anterior cervical controllable advancement apparatus provided by the invention, lateral approach of an anterior cervical body can be achieved, and advancement of vertebral bodies related to ossification of posterior longitudinal ligament can be conducted; the advancement apparatus is flexible to use, quantitative and controllable in operation and uniform in lifting; the advancement apparatus is good in operating effect and low in injury to patients; and the advancement apparatus has a broad clinical application prospect.

The invention provides a slice electrode which is small, exquisite and reasonable in shape design, convenient to use and multiple in function. The thickness of the slice electrode is only 2mm, and the slice electrode is of a lampshade-type shape and is formed by electrode slices and wire ports. Conducting strips, insulating strips and a heating device are arranged in a slice electrode body and connected with wires on the outside, a temperature sensor is installed between the insulating strips and the conducting strips, and the two ends of the temperature sensor are connected with a terminal through wires; the inner side of the slice electrode body is provided with heat dissipation overlapping curves which have a temperature control function and are capable of fully emitting local heat so that the slice electrode can be more convenient, more comfortable and safer to use. In the mastopathy treating process, the slice electrode can be directly put into a bra for treatment next to the skin; adjustable diagnosis models of electrical stimulation include high-frequency waves, acupuncture waves, sparse waves, fluctuant waves, discontinuous waves, audio waves and fluctuant and discontinuous waves; different therapeutic schedules can be set according to different symptoms, and the medical multi-function slice electrode has remarkable curative effects especially on female mastopathy.

The invention discloses an auxiliary welding device for a circuit board, which comprises a circuit board, a protective plate is arranged at the lower end of the circuit board, and a diversion groove matched with pins is arranged on the protective plate, and a protective plate is installed at the upper end of the protective plate. Connecting device, and the circuit board is clamped by the connecting device and the protective plate, the upper end of the connecting device is screwed with a fixing seat, and the device can use the protective plate below to isolate the part that does not need to be welded at the lower end of the circuit board, so that It is difficult for the solder liquid to form a solder bridge, and the shape of the diversion groove is designed reasonably, which can ensure that the wave crest of the wave soldering can wash away the parts that need to be welded and solder correctly. It can be correctly fixed on the fixing plate, and because the specific shape of the protection plate can better adapt to the circuit board, it has high practical value.

The invention discloses a special special-shaped plaster for anorectal and urinary operations. The special special-shaped plaster is characterized in that the special special-shaped plaster is of a special-shaped structure according with the physiological structure features of the perineum; the special-shaped structure comprises a base layer; the base layer comprises a base layer body, a first base layer extension part, a second base layer extension part, a third base layer extension part and a fourth base layer extension part, wherein the first base layer extension part extends from the right side edge of the base layer body towards the right side, the second base layer extension part extends from the left side edge of the base layer body towards the left side, the third base layer extension part extends from the upper side edge of the base layer body towards the upper side, the fourth base layer extension part extends from the lower side edge of the base layer body towards the lower side, the first base layer extension part and the second base layer extension part are both of a U shape, and the edges of the third base layer extension part and the fourth base layer extension part are shaped like arcs protruding outwards. The special-shaped design of the special special-shaped plaster accords with the physiological structure features of the perineum, the fixing effect is guaranteed, discomfort of a patient is reduced, and the structural design is quite reasonable.

The invention discloses a hot-pressing soldering device adopting circulating water cooling. The hot-pressing soldering device comprises a water cooling part, a soldering lug fixing piece, a first soldering lug and a second soldering lug. The water cooling part comprise a first water cooling block and a second water cooling block, and the soldering lug fixing piece is provided with a downward-extending mounting part and comprises a first soldering lug fixing piece body and a second soldering lug fixing piece body. The first soldering lug fixing piece body is fixed to the bottom of the first water cooling block, and the second soldering lug fixing piece body is fixed to the bottom of the second water cooling block. The first soldering lug is mounted on one side of the mounting part, one endof the first soldering lug makes contact with the first soldering lug fixing piece body, and the other end of the first soldering lug makes contact with the second soldering lug fixing piece body. Thesecond soldering lug is mounted on the other side of the mounting part, and the first soldering lug and the second soldering lug are symmetrically arranged in a spaced mode. One end of the second soldering lug makes contact with the first soldering lug fixing piece body, and the other end of the second soldering lug makes contact with the second soldering lug fixing piece body. The hot-pressing soldering device is reasonable in structure and shape design and convenient to mount and operate, the soldering lugs are convenient to replace according to different products, and the production efficiency is improved.

The invention discloses an electronic antitheft doorplate. The electronic antitheft doorplate comprises a doorplate board and a control panel, wherein rivet holes are formed in four corners of the doorplate board, a door lock monitor, a pinhole camera, a sound recorder, an infrared detector and a fingerprint collector are connected in parallel through a wire, the right end of the wire is connected with a control unit, the fingerprint collector is arranged on a doorbell button, a doorplate body is installed in the middle of the doorplate board, bolt holes are formed in four corners of the control panel, the control unit, a signal projector, a doorbell and an alarm device are installed on the control panel, the control unit is installed on the upper side of the control panel, and the signal projector, the doorbell and the alarm device are sequentially installed on the lower side of the control panel from left to right. The electronic antitheft technology is adopted, the pinhole camera, the sound recorder, the fingerprint collector and the alarm device are installed, scientific theft guard is achieved, and therefore a house owner can go out without worry.

The invention provides a connector shaft which comprises a front section, a middle section and a rear section, wherein the front section, the middle section and the rear section are connected together. The front section and the middle section are in a cylindrical type, grooves are formed in the periphery of the front section, the rear section body is in a quadrangular shape, and the end of the rear section is in a quadrangular frustum pyramid shape. Further, chamfers are arranged on the four lateral edges of the rear section, the number of the grooves is two, and the grooves are formed in the periphery of the front section of the connector shaft symmetrically and correspondingly. Furthermore, the connecter shaft is made of aluminum oxide ceramic. The connector shaft is reasonable in appearance design, accurate in size control, convenient to assemble, good in heat resistance, innocuous and nontoxic because the connector shaft is made of the aluminum oxide ceramic.

The invention relates to a laryngeal mask model selecting tool safe, easy and convenient to use. The tool is provided with two bent measuring arms. Each measuring arm is provided with a front measuring arm, a hinged section and a rear measuring arm from the head end to the tail end in sequence. The two measuring arms are hinged through a hinge shaft at the hinge sections. A finger ring is arranged at the tail end of each measuring arm, and an elliptic gasket is movably connected to the side wall of the outer side of the head end of each measuring arm; one end of a graduated disc is fixed to the side wall of the inner side of the rear measuring arm of the first measuring arm, and the other end of the graduated disc penetrates through a through hole in the rear measuring arm of the second measuring arm and stretches out of the second measuring arm; a laryngeal mask identifier is arranged on the graduated disc. By applying the laryngeal mask model selecting tool, the laryngeal mask model most suitable for the volume of the laryngeal part of pharynx of a patient can be determined safely, accurately, easily, conveniently and rapidly, the postoperation complications of the laryngeal part of pharynx of the patient are remarkably reduced, the postoperation comfort and satisfaction of the patient are greatly improved, and the great clinic application value is achieved.

The invention relates to a distribution network uninterruptible power bypass line preassembled rapid access device, and belongs to the field of electric power overhaul. The device comprises an insulation shell, and the insulation shell comprises an upper pressing block and a lower pressing block movably arranged on the upper pressing block; a torque nut is fixedly arranged on the lower pressing block, and a locking mechanism is movably arranged between the upper pressing block and the lower pressing block; the locking mechanism comprises a connector, a connecting seat and a connecting screw rod, and a locking mechanism for locking the connecting screw rod is arranged on the connector. The locking device has the advantages that a double-insurance structure of the locking mechanism and the locking mechanism is arranged, the using safety performance is greatly improved, the locking mechanism is locked in a clamping mode, the anti-disengaging effect is good, and assembling is rapid; the locking mechanism adopts a spring tongue type locking structure, so that the locking mechanism is not easy to loosen, locking and unlocking are convenient and fast, the labor intensity of operators is reduced, the operation safety is improved, and the access efficiency of a bypass device or temporary power taking in the non-power-cut operation of the distribution network is greatly improved.

The invention relates to an anchorable smooth anatomical prosthesis, which comprises a hollow shell. The shell is filled with filler. At least one fixing device used for fixing the shell to the chestwall of the human body is arranged on one side of the shell, and a calibration device used for judging whether the shell is correctly placed in a placement cavity gap of the human prosthesis or not isarranged at a position, close to one end, of one side of the shell. The anchorable smooth anatomical prosthesis has the advantages that: the stability of the prosthesis on the chest wall of the humanbody and the position accuracy are improved, breast deformation is avoided, and overall attractiveness of the breast is guaranteed; in addition, prosthesis complications caused by a rough surface shell can be avoided, and safety and reliability are achieved.