30results about How to "The technical idea is ingenious" patented technology

A rotary locking type safety insulin injection needle comprises a needle body, a middle sleeve, a front sleeve tube and a front spring. The rotary locking type safety insulin injection needle is characterized in that: a rotating tube is arranged in the middle sleeve, and a bevel track is arranged on the outer edge of the rotating tube; corresponding to the bevel track, a bevel action part is arranged on the inner edge of the front sleeve tube; an elastic arm is arranged at the front part of the rotating tube, and a front protection baffle block is arranged on the elastic arm; and correspondingto the front protection baffle block, guiding grooves and limiting grooves are formed in the inner edge of the front sleeve tube at intervals in the circumferential direction. The rotary locking typesafety insulin injection needle utilizes the backward movement of the front sleeve tube when pushing a needle to drive the rotating tube to rotate, and changes the cooperation relationship between the front sleeve tube and the rotating tube by means of the cooperation of the guiding grooves and the limiting grooves in the front sleeve tube and the front protection baffle block on the rotating tube, thereby effectively solving the problem of reliable lockout protection of the front sleeve tube after the rotary locking type safety insulin injection needle is used.

A rotary locking type safety insulin injection needle comprises a needle body, a middle sleeve, a front sleeve tube, a tail cover and a rear spring. The rotary locking type safety insulin injection needle is characterized in that: a rotating tube is arranged in the middle sleeve, and a bevel track is arranged on the outer edge of the rotating tube; corresponding to the bevel track, a bevel actionpart is arranged on the inner edge of the front sleeve tube; an elastic foot is arranged on the tail cover, and a rear protection baffle block is arranged on the elastic foot; and corresponding to therear protection baffle block, first track grooves and second track grooves are formed in the inner edge of the rotating tube at intervals in the circumferential direction. The rotary locking type safety insulin injection needle utilizes the backward movement of the front sleeve tube when pushing a needle to drive the rotating tube to rotate, and changes the cooperation relationship between the tail cover and the rotating tube by means of the cooperation of the first and second track grooves in the rotating tube and the rear protection baffle block on the tail cover, thereby effectively solving the problem of reliable lockout protection of the tail cover after the rotary locking type safety insulin injection needle is used.

Disclosed is a machining method for on-machine test deviation correction of numerical control electric spark holes of a turbine blade. An electric spark hole machining tool used by the machining method is at least equipped with six numerical control axes including four linear axes and two rotating axes, the linear axes are X axis, Y axis, Z axis and W axis, and the rotating axes are B axis and C axis. The method is characterized by comprising the steps of: (1) setting an on-machine displacement measuring head; (2) selecting measuring points; (3) clamping a standard sample; (4) acquiring mechanical coordinate values of six measuring points of the standard sample; (5) clamping a to-be-machined piece of the turbine blade; (6) performing measurement and deviation correction of a to-be-machinedpiece leveling feature group of the turbine blade; (7) performing measurement and deviation correction of a to-be-machined piece rotating feature group of the turbine blade; (8) performing measurement and deviation correction of a to-be-machined piece origin feature group of the turbine blade; and (9) correcting deviation in hole machining. The method is high in machining precision, high in position and angle precision of air film holes and high in machining efficiency, and can organically combine on-machine test with actual machining.

An improved tail push-type disposable safety blood collection device, including a shell, a needle core, a spring, and a tail cap. It is designed with structures such as narrow grooves, wide grooves, transition slopes and radial protrusions, so that the rear end face for rear end limit, transition slope or arc for climbing is formed on the forward movement path of the outer hook relative to the accommodating cavity surface and the locking end surface for locking the front end. In the ready-to-launch state, the outer hook is hooked on the rear end surface, so that the tail cover is at the rear end limit position relative to the accommodating cavity. When the tail cover is pushed forward, the outer hook is Climb along the transition slope or curved surface until it crosses the radial protrusion. In the state after launch, the outer hook is hooked on the locking end surface of the radial protrusion, so that the tail cover is at the front end locking position relative to the housing cavity. This solution solves the problem of low reliability of the original locking structure.

A tail push-type disposable safety blood collection device, including a shell, a needle core, a spring and a tail cover, the shell is provided with an elastic arm for locking the needle core, and the feature is that an active lock for locking is provided on the tail cover The passive locking part for locking is arranged correspondingly on the elastic arm; the position and matching time of the active locking part and the passive locking part are associated with the positions and matching time of the active unlocking part and the passive unlocking part; When in use, press the tail cap to first force the needle core to unlock and launch a puncture, then the tail cap and the elastic arm enter the lock hook state and cannot be used again. In this solution, the rear end cover is permanently locked on the elastic arm of the housing, which not only ensures the safety of one-time use, but also can be intuitively recognized from the appearance.

The invention provides a method of recovering a phosphate radical and a sulfate radical from iron phosphate production wastewater. The method particularly comprises the steps of: (1) adding Ca(OH)2 into an iron phosphate mother solution for reaction to form first sediment residue and first sediment liquid, (2) adding an ammonia-containing solution into the first sediment liquid for reaction to form second sediment residue and second sediment liquid, (3) mixing the first sediment residue and the second sediment residue to form phosphorus containing gypsum, and adding the phosphorus containing gypsum into the iron phosphate mother solution for reaction to form conversion filtrate and calcium sulfate, (4) allowing the conversion filtrate to flow back to the step (1), stopping adding the ironphosphate mother solution, repeating the steps (1), (2) and (3), and (5) mixing the second sediment liquid and acid liquid to form a neutralization regulating solution, and performing reverse osmosis,evaporation and crystallization on the neutralization regulating solution to form an ammonium sulfate solid and a monoammonium phosphate solid. The method can achieve complete separation and thoroughrecovery of the phosphate radical and the sulfate radical in the wastewater, and a phosphate radical product and a sulfate radical product are higher in purity.

An automatic bottle-packing device for a hand-free disinfection gel production line, characterized in that: at the lower part of the device, on the basis that the bottle transmission path and the box transmission path are parallel and parallel, a bottle pushing platform is set between the bottle transmission path and the box transmission path. A bottle pushing mechanism is set on the other side of the bottle conveying path corresponding to the bottle pushing platform, and a cardboard placing platform is set on the other side of the box conveying path corresponding to the bottle pushing platform; on the upper part of the device, a bottle plate transfer mechanism is set, the bottle plate The transfer mechanism is provided with a sliding seat, the sliding direction of the sliding seat is perpendicular to the box transmission path and the bottle transmission path, the sliding seat is driven by a linear drive mechanism, on the one hand, the sliding seat is connected to the bottle lifting handle through the bottle lifting cylinder arranged in the upper and lower directions , on the other hand, it is connected with the plate suction device through the plate lift cylinder arranged in the up and down direction. The overall layout design of this scheme is reasonable, the work reliability is strong, and the technical conception is ingenious, which provides a guarantee for the normal packing of the gel square bottle and the realization of automation.

A hammering device, system and method for analyzing the dynamic characteristics of the stator winding end of a large-scale condenser, the hammering device is characterized in that it includes a test hammer, and a fixed card seat is arranged on the test hammer, and the opposite sides of the fixed card seat are respectively installed with Movable tab; the test hammer moves in a track formed by two oppositely arranged arc bars, and electromagnets are respectively embedded in the relative positions of the inner surfaces of the two arc bars, and the electromagnets and the inner surfaces of the arc tracks are in the In the same plane; when the detection and control circuit detects the drop of the test hammer, the control electromagnet is energized, and the movable tabs on both sides of the fixed deck when the test hammer rebounds and goes up are attracted, and the test hammer is fixed. The hammering device of the present disclosure utilizes a detection and control circuit to realize that the test hammer is bounced up and then fixed after a hammering test once, avoiding secondary falling, and ensuring measurement accuracy.

The invention relates to an embroidery method of a knotting embroidery with different colors of two surfaces. The method is characterized in that aiming at patterns which form mirror images mutually on the front and back surfaces of a same embroidery backing material, two sets of needles and threads are utilized, and a knotting embroidery stitching method is adopted to carry out embroidery on the front and back surfaces of the backing material at the same time. One set of needle and thread is used for knotting on the front surface and the needle is hidden on the back surface; and the other set of needle and thread is used for knotting on the back surface and the needle is hidden on the front surface. The operation of knotting on the front surface and the operation of knotting on the back surface are alternately performed in a one to one mode, and needle hiding is alternately performed relative to the knotting operation. The positions of knotting on the front and back surfaces are the same, and the stitch lengths are consistent. The first embroidery thread forms the knotting pattern on the front surface, and the second embroidery thread forms the knotting pattern on the back surface, wherein stitches left on the back surface by the first embroidery thread are hidden behind the knotting pattern on the back surface, and stitches left on the front surface by the second embroidery thread are hidden behind the knotting pattern on the front surface. As the front surface and the back surface are simultaneously subjected to equal and synchronous embroidering operation, a knotting embroidery work with different colors of two surfaces and the same effect can be obtained.

The invention provides an embroidering method taking a fluff fabric as a base material. The embroidering method is characterized in that a main reel and an auxiliary reel are utilized, and one piece of special embroidering region is formed by tightly fitting lining materials with external profiles, which are the same as those of patterns, on a fluff layer of the base material through the steps of putting the fluff fabric on the reels, combining the reels, sewing, stitching edges, dotting, removing stitches and taking the fluff fabric off the reels. The external profile of the special embroidering region is the same as the external profile of the pattern, so that interference, caused by the fluff layer, on normal embroidering, is eliminated in an embroidering process; normal embroidering can be carried out on the special embroidering region; after embroidering, the special embroidering region is also covered with embroidering stitching, and the problem that the fluff fabric is difficult to embroider is solved very well. Compared with an existing embroidering method, the process design is reasonable and a technological concept is ingenious; the embroidering is naturally combined with the base material, the tightness is good, the fitting degree is high and the flatness is good; the embroidering method is active innovation and breakthrough in the aspect of embroidering the fluff fabric.

A blood collection pen that prevents misoperation and unloading of needles after being loaded, including a housing, a shooting rod, and a needle unloading bar. A main actuating part is arranged on the arm of the arm, and the arm end of the elastic arm is used as a dead bolt. Simultaneously, an auxiliary actuating part is provided on the shooting rod for the main actuating part, and a lock opening is provided on the housing for the dead bolt. When the shooter moves backwards relative to the casing to load the chamber, the main actuating part contacts with the auxiliary actuating part and forces the elastic arm to bend and deform, thereby driving the lock bolt to extend into the lock opening to occupy a place, so that the shooter automatically enters the unloading needle after being loaded. protected status. This design solution solves the problem of needle unloading protection of the blood collection pen that does not need to open the cap to load and unload the needle, and the problem of inaccurate puncture depth caused by accidentally touching the needle unloading part of the blood collection pen with the rear-mounted puncture depth adjustment mechanism.

The invention belongs to pipeline decontamination devices, and in particular relates to an adjustable decontamination device of an external surface of a circumferential steel brush tube fitting. The decontamination device comprises an operating platform which is horizontally arranged, a drive source which is assembled on the lower part of the operating platform, and a rotary handpiece which is arranged on the surface of the operating platform and is driven by the drive source to rotate, wherein a brushing body is arranged in the inner cavity of the rotary handpiece along the radial direction; and one side part of the rotary handpiece is coaxially provided with a workpiece feed mechanisms which are driven by a linear drive mechanism and do reciprocating linear motion along the axial direction at intervals. Through using the decontamination device, the problems that in the prior art, operation is complicated, standard operation is difficult to realize and the like are solved; and the decontamination device has the advantages that technical design is simple and ingenious, the surface of tubular workpiece can be rapidly decontaminated, has the mechanisms are stably operate, continuous operation is convenient, and the like.

A blood collection pen that uses a tail handle to load and adjust the depth, including a housing, a shooting rod, and a tail handle, and is characterized in that: between the tail handle and the housing, the axial distance between the guide protrusion and the guide groove is used. The position is poor, and a special composite fit section is established. On the composite mating section, the guide protrusion and the guide groove have two working states: non-cooperating and cooperating. Among them, the non-cooperating working state is used to meet the need for the tail handle to rotate in the circumferential direction relative to the housing when adjusting the puncture depth, and the cooperating The working state is to meet the need for the tail handle to slide axially relative to the housing when the shooting rod is loaded, so that the two different movements of rotating to adjust the puncture depth and axial sliding loading are combined on the same tail handle. This solution breaks the limitations of the traditional structure and provides a novel and reasonable structural design. Its technical concept is unique and ingenious, and it reduces the number of parts, simplifies the structure, and is also convenient for identification and operation.