61results about How to "Closely attached" patented technology

The present application relates to a transcatheter valve replacement system. The system includes a valve replacement prosthesis, a delivery catheter, a control handle and an anchoring device; the valve replacement prosthesis includes a valve stent, an artificial valve leaflet and an adaptive covered stent, the artificial valve leaflet is arranged in the valve stent, the adaptive covered stent is connected to the outer periphery of the valve stent, the valve replacement prosthesis is provided with an anchored unit, and the anchored unit is fixed to heart tissue by the anchoring device; and theanchoring device is arranged in the delivery catheter, the anchoring device includes an anchoring needle, an anchoring needle catheter, an anchoring needle push rod, and a controllable guiding device,the anchoring needle is pre-installed in the distal end of the anchoring needle catheter, the distal end part of the anchoring needle catheter has a flexible structure, one end of the controllable guiding device is detachably connected to the anchored unit, and the controllable guiding device can control the distal end part of the anchoring needle catheter to form a fixed bend angle in the radialdirection and make the distal end of the anchoring needle catheter adhered to the anchored unit.

The invention discloses a method and a device for coating a film to a hang tag of black card clothes. The method comprises the following steps: a, coating glue to the surface of a plastic film; b, drying the glue on the plastic film; and c, rolling the plastic film to a piece of black card paper by adopting the pressure of 15MPa, wherein the rotating speed of a pressing roll used for rolling is 80 to 100 rpm, the black card paper coated with the plastic film is secondarily rolled after the rolling, and the pressure of the secondary rolling is 25 to 30MPa. The device consists of a glue coating device, a glue drying device and a rolling device which are connected in turn through a carrying roll, wherein a calendaring nose is arranged behind the rolling device. The method and the device for coating the film to the hang tag of the black card clothes have the advantage of improving the quality of the hang tag of the black card clothes, manufacture finer hang tag of the black card clothes, and overcome the defect that the conventional hang tag of the black card clothes is easy to produce white light spots.

The invention discloses a heating type wrist guard smart watch with a health care function, relating to the technical field of smart watches. The watch specifically comprises a dial, massage mechanisms, a watch base and a watchband. A display screen is mounted on one side of the upper surface of the dial; a control panel is arranged on the other side of the upper surface of the dial; the massage mechanisms are arranged on the lower surface of the dial at equal intervals; a watch base is arranged below the dial; the watchband is adhered to the bottom of the watch base; the massage mechanism comprises a fixing rod base, a hollow cylinder, a driver, a rotating shaft, a rubber hollow ball and a magnetic ball, the hollow cylinder is fixed to the bottom end of the fixing rod base, the driver isinstalled on the upper portion of the interior of the hollow cylinder, the top end of the driver is fixed to the bottom surface of the fixing rod base, and the rubber hollow ball is fixed to the bottom end of the rotating shaft. The heating type wrist guard smart watch with the health care function has the massage health care function, can heat the wrist, and has a good protection effect on the wrist.

Disclosed is a grid structure, especially of a reinforcement grid or floor mounting grid, comprising a plurality of wire paths (1, 1') which are arranged next to one another and are formed by wires that are bent in a zig-zag shape, and a plurality of particularly parallel bars (2, 2'). The wires of the wire paths (1, 1') embrace the bars (2, 2') in the form of substantially closed loops (3). The bars (2, 2') are clamped within the loops (3) of the wire paths (1, 1') in order to be fastened to the wire paths (1, 1'), the bars (2, 2') being twisted or tilted in relation to the loops (3) in at least one direction in order to be clamped within the loops (3) of the wire paths (1, 1').

The invention provides a camera module and a working method thereof. The camera module comprises a moving unit, a fixing unit and at least one locking structure; the moving unit comprises a lens module and is suitable for driving the lens module to move in the optical axis direction; and the fixing unit is suitable for bearing the moving unit, and the locking structure is arranged in the fixing unit and is suitable for locking or unlocking the moving unit. According to the camera module and the working method thereof provided by the invention, the lens module can have a relatively large movingstroke.

A top for a convertible has a top linkage forming a lateral roof frame at each side, and a flexible covering which is stretched open when the top is closed and covers at least parts of the top. When the top is closed, a seal is disposed between a stiffened region of the stretched-open covering, which region faces the associated lateral roof frame, and the associated lateral roof frame.

The invention discloses equipment and a method for determining the height of a semiconductor structure, and belongs to the technical field of semiconductors. The equipment for determining the height of the semiconductor structure comprises a mounting rack and further comprises a negative pressure box fixedly connected to the mounting rack, wherein one side of the negative pressure box has an opening; a box door which is rotationally connected to the opening; and a sleeve which is fixedly connected to the top part of the negative pressure box, wherein one end of the sleeve is communicated with the negative pressure box, and the sleeve is made of a transparent material. By adopting the equipment, a plurality of semiconductors can be measured at a time through using a stacking method, the average height value of the semiconductors of the same batch and the same model is further obtained, the semiconductors are limited through the sliding plate during measurement, the stability of the semiconductors during measurement is improved, the measurement precision is further improved, and the average value is calculated by reading the measurement scales; and the equipment is convenient, fast, high in measurement efficiency and high in measurement accuracy.

The invention provides an ultraviolet lamp tube fixing device in a marine ballast water system. The ultraviolet lamp tube fixing device is provided with a supporting sleeve. Elastic supporting legs are arranged on the outer wall of the supporting sleeve. A lamp tube installing plate is arranged at one end of the supporting sleeve. An installing hole is formed in the middle of the lamp tube installing plate. At least three strip-shaped fixing elastic pieces are uniformly distributed on the inner wall of the installing hole in the peripheral direction. One end of each fixing elastic piece is fixedly connected to the inner wall of the installing hole, and the other end of each fixing elastic piece is bent towards the interior of the supporting sleeve. The lamp tube installing plate is round. Ventilating and heat dissipating notches are uniformly distributed in the periphery of the lamp tube installing plate. The installing hole in the middle of the lamp tube installing plate is a round hole. Arc-shaped installing grooves are uniformly distributed in the inner wall of the installing hole in the circumferential direction. The fixing elastic pieces are installed in the installing grooves. The included angle of 2-10 degrees is formed between the part, bent into the supporting sleeve, of each fixing elastic piece and the axis of the installing hole. The ultraviolet lamp tube fixing device is simple in structure, low in cost, easy and convenient to install and good in damping and buffering effect, and an ultraviolet lamp tube can not be damped easily and is long in service life.

The invention discloses an electromagnetic release and electrical protection equipment comprising the same, and relates to the technical field of electromagnetic tripping devices. The electromagnetic release provided by the invention comprises a U-shaped magnet yoke, an armature, a permanent magnet and a reset spring, and further comprises an air gap maintaining device which is used for enabling an air gap between the permanent magnet and the armature to be a constant preset value when the armature is attached to the two polar surfaces of the magnet yoke end, when the armature is attached to the polar surfaces of the two branches of the magnet yoke through the air gap maintaining device, the air gap between the permanent magnet and the armature is constantly kept at a preset air gap value, so that the attraction force of the magnet to the armature is constant, the work of the electromagnetic release is reliable and stable, the balance moment of the reset spring and the magnet is conveniently and accurately designed, the moment balance of the reset elastic piece and the permanent magnet can be destroyed by adopting a small current, the scheme of the low-power electromagnetic release becomes possible, and the low-power electromagnetic release is suitable for low-power-consumption and low-current use working conditions.

The invention discloses a coronary sinus space bend mapping electrode catheter. In order to solve the technical problem that the operating difficulty is reduced, the coronary sinus space bend mappingelectrode catheter is provided with a catheter body, a handle device and a connector from the far end to the near end in sequence, wherein the catheter body is provided with an end electrode, a double-hole tube and a main catheter body starting from the far end in sequence, and the end electrode, the double-hole tube and the main catheter body are connected in sequence. The double-hole tube is made from block polyether amide resin or polyurethane or block polyamide or nylon, and a pull line steel wire is connected between the end electrode and the handle device. Compared with the prior art, the far end of the catheter body is bent into an L-shaped annular plane, and an angle is formed between the L-shaped annular plane and the catheter body so that the electrode at the far end of the catheter body can easily enter the orifice of the coronary sinus, the electrode is closely attached to the inner wall of the coronary sinus, and it is ensured that in the operating process, the electrode does not slide out of the orifice of the coronary sinus. Through computer three-dimensional cardiac electrophysiology mapping data, the chambers of the heart of a patient can be directly and quickly subjected to three-dimensional imaging, three-dimensional modeling is completed, the operating effectiveness and operability are greatly improved clinically, and the operating time is saved.

The invention provides a refrigerator. The refrigerator comprises a box body and a push-pull type open-close drawer, wherein the push-pull type open-close drawer can be arranged in the box body in a front-and-back push-pull manner, and when the drawer is closed, the drawer is pushed back to a back limit position firstly, then rebounds forwards by elastic force for a preset distance and then is locked to the box body. The drawer comprises a drawer body for storing articles, a front frame vertically arranged on the front side of the drawer body and made of metal materials, and a glass panel fixedly mounted to the front frame such that the front frame surrounds the glass panel. When a user pushes the push-type open-close drawer manually, the push deformation of the drawer is reduced, so thatthe drawer can move more smoothly, the noise generated by collision of the push-pull type drawer and an upper cover in the closing rebounding process can be reduced, and the sealing performance between the drawer and the upper cover is enhanced.

The invention discloses a high-safety floor heating system. The high-safety floor heating system comprises a hot water coil pipe, a control device and a temperature control probe, wherein the hot water coil pipe is laid on the ground; the control device comprises a control circuit; the temperature control probe is electrically connected with the control circuit; one end of the hot water coil pipeis a water inlet; the other end of the hot water coil pipe is a water returning opening; a heating cable is arranged inside the hot water coil pipe in a penetrating manner; the two ends of the heatingcable are electrically connected with the control circuit after correspondingly penetrating out of the water inlet and the water returning opening; the control device comprises a water pump; and thewater pump is correspondingly connected with the water inlet and the water returning opening via connecting pipelines. The high-safety floor heating system disclosed by the invention can realize the uniformity of temperature increment of an overall room and effectively eliminates potential safety hazards caused by over-high temperature increment.

The invention relates to the technical field of membrane electrode production equipment, and provides carbon paper laminating equipment and a process method for producing a carbon membrane electrode through the carbon paper laminating equipment. The carbon paper laminating equipment comprises a die cutting rack; a carbon membrane conveying roller is arranged on the die cutting rack, and the carbon membrane conveying roller is connected with a bottom membrane separation tool apron and a bottom layer carbon paper transfer laminating tool apron; a bottom layer carbon paper conveying roller is further arranged on the die cutting rack and connected with a bottom layer carbon paper transfer laminating tool apron through a bottom layer carbon paper conveying tool apron, and the bottom layer carbon paper transfer laminating tool apron is connected with a bottom membrane pressing tool apron, an upper membrane separating tool apron and an upper layer carbon paper transfer laminating tool apron. An upper-layer carbon paper conveying roller is further arranged on the die cutting rack and connected with an upper-layer carbon paper transfer laminating tool apron through an upper-layer carbon paper conveying tool apron, the upper-layer carbon paper transfer laminating tool apron is connected with a heat sealing assembly, and the heat sealing assembly is connected with an outer frame cutting tool apron and an outline cutting tool apron through a carbon membrane conveying tool apron. According to the invention, the functions of automatic feeding and laminating of carbon paper in the membrane electrode manufacturing process are realized, and the production efficiency is improved.

The invention discloses a valve seat sealing mechanism applicable to low temperature working conditions. A lip seal ring is arranged between a valve seat and a valve body; a support spring ring is arranged between two lips of the lip seal ring; a pressing ring is further arranged between the valve body and the valve seat; a pretensioned spring is arranged between the pressing ring and the valve body; and the pretensioned spring drives the pressing ring to abut against the valve seat and the support spring ring. The valve seat sealing mechanism has the beneficial effects that on the one hand, the valve seat can be closely attached to a ball body, so that the ball body and the valve seat have good sealing performance, and on the other hand, acting force is applied to the support spring ringthrough the pressing ring, and the lip seal ring is deformed by compression of the support spring ring, the lips are opened, so that the lip seal ring is attached to the valve body and the valve seatmore closely, even at a very low temperature, the lips of the lip seal ring are contracted to a certain extent, reliable sealing of the lip seal ring can still be ensured, and the better sealing between the valve seat and the valve body is achieved.

The invention relates to the technical field of mobile camera platforms, in particular to a mobile camera platform for target tracking, which comprises a support shell, the support shell comprises two symmetrically distributed panels, two symmetrically distributed linkage gears are rotatably connected between the two panels, a positioning column is in meshing transmission between the two linkage gears, and the positioning column is in meshing transmission with the two panels. A rectangular through hole is formed in the top of the positioning column, a positioning block is slidably connected to the interior of the rectangular through hole, supporting blocks are fixedly connected to the two ends of the positioning block, and a driving roller is rotatably connected between the two supporting blocks. According to the invention, through meshing transmission of a first bevel gear on a first connecting shaft and a second bevel gear on a shaft rod, the shaft rod drives a sleeve to rotate, then the sleeve drives a driving shaft to rotate, and a [-shaped shaft and an L-shaped shaft on the driving shaft can pull a pulling rope between a rotating sleeve and a camera in the rotating process, so that the camera moves along an arc-shaped guide rail; the orientation of the camera lens can be flexibly adjusted, and photos at different angles can be conveniently shot.

The invention discloses a sewage flow meter, and belongs to the field of flow meters. The sewage flow meter comprises: a transportation box body, which is equipped with a guide shaft; a plurality of groups of partition plates, which are connected to the guide shaft in a sliding manner; side plates, which are connected to the transportation box body; a sliding frame, which is connected to the sideplate in a sliding manner; wherein a plurality of groups of friction strips are arranged on the sliding frame, and the side walls of the partition plates are attached to the friction strips; mountingplates; center plates; support springs; clamping frames; clamping springs; and connecting pipes. According to the invention, the plurality of groups of sliding partition plates are arranged, a plurality of sewage flow meters can be transported at one time; the side plates and the sliding frames on the side plates are arranged, the friction strips can generate heat through friction to dry air in the transportation box body when the partition plates slide, meanwhile, through hole grooves, center rods and assemblies thereof are arranged on the partition plates, buffering and damping can be conducted on the sewage flow meter, and replacement and drying of gas in the transportation box body are improved.