43results about How to "Won't let go" patented technology

The invention relates to an automatic injection device (1) comprising a housing that is sub-divided in the axial direction, the parts of said housing being interconnectable. An axially displaceable stud (5) is guided in a first part (2) of the housing, and an injection canula (15) blocked in a canula guiding mechanism (14) is mounted, with an ampule (13), in the second part (3) of the housing in such a way that they can be displaced in relation to each other. According to the invention, the injection canula (15) is embodied as a puncturing part (32) for the ampule (13), on the side thereof facing the ampule (13), and the end of the ampule (13) facing the injection canula (15) is plunged into a sleeve (16) blocked in the second part (3) of the housing, the inner diameter of the sleeve essentially corresponding to the outer diameter of the ampule (13). Radially inwardly protruding projections (17) are formed on the inner circumference of the sleeve (16), and the sleeve (16) comprises locking elements which co-operate with locking elements (20) of the canula guiding mechanism (14). An axial displacement of the ampule (13) in the direction of the canula guiding mechanism (14), overcoming the displacement resistance exerted by the projections (17), causes the release of the locking elements (20) and the axial displaceability of the canula guiding mechanism (14).

The invention provides a self-examination packer. The self-examination packer can serve as a sieve tube hanger, and can also be used for blocking bottom water in a layered bottom-sealing and top-extraction process. An examination through hole is formed in a side wall of an upper center tube of the self-examination packer; an examination piston which is used for sealing the examination through hole is arranged in the upper center tube through an examination shear pin; examination spacer rings are arranged between adjacent rubber barrels; a plurality of radial fluid through holes are formed in the periphery of each examination spacer ring; and the side wall of a core tube of each rubber barrel is provided with a second through hole which can be connected with the corresponding radial fluid through hole after the rubber barrel is compressed. After setting is finished, the examination shear pin is shorn off through liquid pressure, and pressure liquid enters a gap between the two adjacent rubber sleeves through a liquid channel so as to judge whether setting is complete or not. Moreover, the self-examination packer also comprises a midway-dropping-preventing mechanism and an elastic unsealing mechanism; the midway-dropping-preventing mechanism comprises an upper joint and a limiting pawl spring; and the elastic unsealing mechanism comprises a lower center tube and an unsealing nut.

The invention relates to a recycling device, and in particular relates to a waste cable recycling device for an electric power project. The invention aims at solving the technical problem of providing the waste cable recycling device for the electric power project. For solving the technical problem, the waste cable recycling device provided by the invention comprises rollers and the like, wherein a first strut is arranged at the left side and the right side of the bottom of a cart respectively, the rollers are arranged at the bottoms of the first struts, a handle is arranged at the left side of the top of the cart, a winding device is arranged at the middle position of the top of the cart, reinforcing ribs are connected between the left side of the lower part of the winding device and the top of the cart and between the right side of the lower part of the winding device and the top of the cart respectively, and a clamping device is arranged at the upper part of the front side of the winding device. The waste cable recycling device provided by the invention achieves the effects that fixation effect on a cable is good, the cable is hardly loosened, stability of the device is good, the device can not move around, the cable can be effectively recycled and wound and cyclic utilization of resources is facilitated.

The invention discloses ultra-high voltage transmission line security inspection equipment, and belongs to the field of electric power overhaul. The equipment comprises a base, a moving mechanism is fixedly installed at the bottom of the base, stabilizing mechanisms are fixedly installed on the left and right sides of the base, and supporting columns are fixedly connected to the left and right sides of the top of the base. Mounting grooves are formed in the tops of the supporting columns correspondingly, hydraulic cylinders are fixedly mounted in the mounting grooves correspondingly, a workingbottom plate is fixedly connected to the output ends of the hydraulic cylinders correspondingly, stand columns are fixedly connected to the four corners of the top of the working bottom plate correspondingly, and a working top plate is fixedly connected to the tops of the stand columns correspondingly. A solar power generation mechanism is fixedly mounted at the top of the working top plate, anda protective fence is fixedly connected between the stand columns. By arranging extension arms, the extension arms can help a worker to carry out maintenance work, and by arranging clamping mechanisms, the clamping mechanisms are used for fixing the high-voltage lines, so that the worker can carry out maintenance conveniently.

The invention relates to an overcurrent release with a yoke, with a coil winding, with a pole, with an armature and with a restraining spring for pre-stressing the armature, wherein an air gap exists between the pole and the armature. The invention is based on the object of specifying an overcurrent release with low force tolerances for the restraining spring, whose response value can be adjusted retrospectively and a circuit breaker with such an overcurrent release. This object is achieved in the case of an overcurrent release of the type mentioned at the outset by virtue of the fact that the restraining spring is in the form of a compression spring provided between the pole and the armature and that the overcurrent release is designed such that the compression spring is replaceable. Compression springs can be produced with lower force tolerances than torsion springs, as a result of which, also advantageously within the permissible tolerance in accordance with IEC60947 of +-20%, the response current can be reduced to, for example, 13 times the rated current minus 20%. Furthermore, compression springs do not have any friction between the turns and do not have as unfavourable friction as a torsion spring mounting arrangement. In addition, the replaceablity of the compression springs makes it possible to shift the response value of the overcurrent release on the finished overcurrent release or finished device retrospectively and easily.

The invention discloses a remote control visual cable cutting device, which comprises a support frame, a blade, a driving device, a battery, a camera and a remote controller. The blade is slidably connected with the support frame. The blade is used for cutting a cable. The driving device is used for driving the blade to move, and is fixed to the support frame. The battery is used for supplying power to electric components such as the driving device; the camera is used for monitoring the cutting condition of the blade, is fixed with the support frame and is aligned with the blade; and the remote control device is used for remotely controlling the driving device and the camera. The remote control visual cable cutting device provided by the invention can remotely control and cut a cable, a cutting operator is far away from the cable, excessive safety protection is not needed, and the remote control visual cable cutting device has the advantages of high cutting efficiency, low safety riskand the like.

The invention provides an easily-opened type wine bottle packaging box, and relates to the technical field of the packaging boxes. The wine bottle packaging box is easy to open and plays a role in protecting and damping. The easily-opened type wine bottle packaging box comprises a protection device and an opening device, wherein the opening device is located above the protection device. Accordingto the easily-opened type wine bottle packaging box, a damping rubber pad and a foam pad are arranged in a box body, so that a wine bottle is protected and damped; a boss, clamping blocks and a bottlehole formed in a cover plate are used for positioning the wine bottle, so that the wine bottle can be well protected in the box body; a silk ribbon is arranged on a box cover, a binding post is arranged on the box body, the silk ribbon is wound around the binding post, a pressing plate presses the silk ribbon, cooperatively, a spring ejects ejection columns to enable the ejection columns to be clamped in limiting grooves, it is guaranteed that the silk ribbon can not be loosened, so that the wine bottle packaging box can be packaged; people just need to pull up the pressing plate and loosen the silk ribbon, and thus the packaging box can be opened; and the wine bottle packaging box is convenient and practical, cannot be broken, and can be used for the second time, so that the economization and the environmental friendliness are achieved.

The invention discloses an offline pneumatic clamping tool which comprises a supporting frame, a moving rod, a clamping air cylinder, an inflation block, a first one-way valve, a three-way valve and atelescopic spring. The moving rod is slidably connected with the supporting frame, one end of the telescopic spring is connected with the supporting frame, the other end of the telescopic spring is connected with the moving rod, and the clamping air cylinder is fixed to the supporting frame; a telescopic rod of the clamping air cylinder is connected with the moving rod, the inflation block communicates with the three-way valve, the first one-way valve is arranged in the inflation block, and the clamping air cylinder communicates with the three-way valve; and the supporting frame is provided with a plurality of positioning grooves for placing products, the moving rod is provided with a plurality of clamping pieces for clamping the products, and the clamping pieces correspond to the positioning grooves in a one-to-one mode. According to the offline pneumatic clamping tool, air pipe connection between the pneumatic clamping tool and a factory air source is omitted, the clamping tool canbe separated from an air pipe in a clamping process, and the clamping tool is easy to clamp and loosen the products.

The invention relates to the technical field of agricultural devices, and particularly relates to a multifunctional agricultural weeding mechanical device. The mechanical device comprises a first shell; a second shell is fixedly connected to the lower end surface of the first shell; one end of the second shell is fixedly connected with a pipeline; one side of the second shell is provided with a filter screen; a fan is fixedly connected to one side of the filter screen; a water storage tank is fixedly connected to the lower end surface of the first shell; and spray heads are fixedly connected to the lower end face of the water storage tank. The mechanical device provided by the invention is simple in structure and complete in function, rapid weeding can be realized, the automation degree ishigh, and sundries can be effectively prevented from entering the fan. A storage battery can be charged through an arranged solar cell panel, so that energy is saved. The road holding capacity of wheels can be enhanced, so that the mechanical device can move on land more conveniently. The mechanical device has huge economic benefits and wide market, and is worthy of popularization and use.

The invention discloses a multifunctional emergency rescue hammer for escaping vehicle accidents, comprising a hammer body, two ends of the hammer body are respectively provided with a first internal thread groove and a second internal thread groove, the first internal thread groove There is a hammer head inside, the hammer head is threaded in the first internal thread groove, the second internal thread groove is provided with a first thread post, and the first thread post is threaded in the second internal thread groove , the end of the first threaded post away from the second internal threaded groove is provided with a third internal threaded groove, the third internal threaded groove is provided with a second threaded post, and the side of the second threaded post is fixedly connected with a pry head The upper end of the hammer body is provided with a placement slot, the placement slot is provided with a lighting device, and the lower end of the hammer body is fixedly connected with a first hammer handle. The invention is simple in structure, convenient for users to operate, and powerful in function, which can cope with various unexpected situations and greatly reduce the casualty rate of personnel.

The invention relates to the fields of machining equipment and electric tools, and particularly relates to a gear self-tightening drill chuck and a flat claw self-tightening drill chuck. The gear self-tightening drill chuck comprises an afterbody, a forebody, a front sleeve, a clamping jaw, a driven bevel gear and a retaining device, wherein the afterbody is arranged in the forebody; a driving bevel gear is arranged on one end of the afterbody; the driving bevel gear is engaged with the driven bevel gear; internal threads are formed on the driven bevel gear; external threads are formed on the clamping jaw; a back hole is formed in the forebody; the afterbody, the driving bevel gear, the forebody and the front sleeve are coaxial; the retaining device comprises a front connector and a back connector; first helical teeth are formed in one side of the front connector; second helical teeth are formed in one side of the back connector; the front connector is arranged on one side of an end cover; the first helical teeth are formed in one side, which is far from the end cover, of the front connector; and the back connector is engaged with the front connector. According to the gear self-tightening drill chuck, the clamping of a drilling tool is not influenced when the drill chuck rotates clockwise, a drill cannot be loosened when the drill chuck rotates anticlockwise, and normal operation of the self-tightening drill chuck is guaranteed.

The invention discloses a shaft milling flat clamp, a first clamping piece, a second clamping piece, a hinge connected between the first clamping piece and the second clamping piece, a first clamping piece arranged on the first clamping piece and containing a roller shaft. The groove is arranged on the second clip and accommodates the second groove of the roller shaft. The first groove and the second groove form a circle when they merge. There are multiple first grooves and second grooves. The first groove The groove and the second groove include various diameters and sizes. The invention provides a jig that needs to be used when the roller shaft is milled and flattened. The jig is suitable for various specifications of the roller shaft, and the contact material friction between the roller shaft and the roller shaft is small, which does not hinder the rotation of the roller shaft and is milled and flattened. Improve the efficiency of milling and flattening, and reduce the cost of use.

The invention relates to a ball sports apparatus and in particular relates to a novel table tennis bat for backhand drive with reversed side. The bat comprises two bat handles and a bat body, wherein the bat body is a square-shoulder bat body and comprises bat faces and a handle part; the two bat handles are the same in shape, and one end of each bat handle is a free end and a lug is integrally arranged on the other end of the bat handle; one face of each lug is a plane, while the other face of the lug is an outwards projecting curved surface; the two bat handles are symmetrically glued to the two sides of the handle part of the bat body. When the novel table tennis bat is applied to the backhand drive with the reversed side, backhand is applied, and the included angle of the bat face and the horizontal surface, namely an angle of elevation, can be increased by 26 degrees in contrast with the prior art, and therefore, the bat face can be opened easily. For forehand hitting and backhanding, the bat form does not need to be adjusted and switched and the bat is just held naturally to realize forehand hitting and backhanding; the bat does not fall out of the hand and does not hurt fingers; besides, the bat is convenient for exerting force to hit the ball and the hit rate is increased by 20%, and therefore, the pen-hold grip technology and in particular the backhand drive technology with the reversed side can be effectively played by people; the novel table tennis bat is convenient to manufacture, and attractive in appearance in a calabash shape as a whole; the novel table tennis bat can be simply modified by just replacing the handle of an existing table tennis straight bat.

The invention relates to a fire axe, in particular to a fire axe with a hand guard. The fire axe comprises an axe and a handle connected to the axe, wherein the handle is fixedly connected with the hand guard; and the outer surface of a handheld part of the handle is wrapped with a layer of rubber pad. When users hack or hit a door or a window, the rubber pad on the handle can buffer the impact on hands to prevent the hands from numbing; and when the impact force is excessive, the hand guard can prevent the fire axe from escaping from the hands so as to protect the users or people around from being injured due to the flyout of the axe. In addition, when the users of the fire axe rescue trapped persons, a metal hook can be used for hanging the fire axe on a waist belt, so that the hands of the users are released to help the trapped persons.

The invention discloses a brassiere capable of being adjusted by using a metal chain, which comprises a first cup, a second cup and fixed straps, the outer sides of the first cup and the second cup are connected with the fixed straps, the inner sides of the first cup and the second cup are both provided with one to ten through holes, the metal chain reeves the through holes to connect the first cup and the second cup, the two free ends of the metal chain both reeve a metal adjusting fastener, and a resistance ring is arranged in the metal adjusting fastener. The invention adopts the metal chain and the metal adjusting fastener to adjust the distance between the first cup and the second cup, moreover, the through holes, the metal chain and the metal adjusting fastener are provided with anyone of diamonds, pearls, sewed flowers and sculptures, consequently, the individualization of the brassiere is greatly realized, the confidence of wearers is increased, and the display effect of the worn brassiere is increased.

The invention discloses a laminating machine with an automatic glue-pressing function. The laminating machine comprises brackets, the brackets are connected to each other by a cross bar, a protectiveframe is installed at the top ends of the brackets, a front baffle is installed at one end of the protective frame, and a rear baffle is installed at the other end of the protective frame. A gearbox is installed on the middle portion of the protective frame, a motor is connected to the back face of the gearbox, a motor rotating shaft is connected to one end of the motor, a first bevel gear is connected to one end of the motor rotating shaft, and a second bevel gear is connected to the outer side of the first bevel gear. The laminating machine with the automatic glue-pressing function is scientific and reasonable in structure and safe and convenient to use, and the number of carton boxes is conveniently controlled by the front baffle and the rear baffle, so that the heights of the front baffle and the rear baffle can be selected according to the thicknesses of the carton boxes; moreover, a pressing plate is moved downwards by a hydraulic device, so that mucilage glue between the cartonboxes can be quickly bonded together, and thus it is ensured that the carton boxes cannot be loosened due to untight bonding in the later stage; and meanwhile, the pressing plate can be evenly stressed by slide bars so as to ensure the flatness of the pressing plate.

The invention discloses a double-torsion-shaft type pressing device. The double-torsion-shaft type pressing device comprises a base plate, a torsion multilateral shaft assembly and a telescopic device, a plurality of sets of guide seats are arranged on the two sides of the base plate, and the guide seats are provided with unthreaded holes and guide grooves; the torsion multilateral shaft assembly comprises torsion multilateral shafts and sliding sleeves, the torsion multilateral shafts are arranged in the unthreaded holes, and the sliding sleeves are connected with the torsion multilateral shafts in a sleeving mode and located in the guide grooves; the sliding sleeves are connected with a pressing rod assembly; and the output end of the telescopic device is connected with the end part of the torsion multilateral shaft assembly through a connecting plate. The torsion multilateral shafts and a sliding sleeve mechanism which are arranged in parallel and have opposite rotation directions are adopted, and the pressing device is simple and compact in structure and large in pressing force; a screw sliding sleeve has a self-locking function, so that an object cannot be loosened after air supply is stopped; and control operation is convenient, and efficiency is high.

The invention discloses a medical suture needle with a variable clamping angle, and relates to the technical field of medical suture needles. The medical suture needle comprises a plurality of cylindrical rods; a needle tip mechanism is mounted at one end of the first cylindrical rod; ball grooves are formed in the ends, close to each other, of every two adjacent cylindrical rods; a same rotating ball is installed on the inner walls of every two adjacent ball grooves in a matched mode; suture needle rotating parts are installed on the plurality of cylindrical rods; and each suture needle rotating part comprises a needle body rotating unit, a rotating limiting unit and a limiting control unit which are connected. The medical suture needle is reasonable in structure, the structure of the medical suture needle is simple, the clamping angle between a needle tip and a clamp can be changed by adjusting the radian of the suture needle, the radian is adjusted in advance according to the needed clamping angle, and therefore the suture needle with the most appropriate radian can be selected for an operation; and the suture quality of the operation is improved, and a doctor can operate more smoothly in the operation process.

The invention discloses a connector device for quick cable wiring. The connector device comprises a first connector and a second connector, and the first connector and the second connector are provided with protective fastening frames; the two ends of the first connector and the second connector are clamped through a bayonet socket and a bayonet joint. connecting sleeves are arranged at the other ends of the first connector and the second connector; fastening structures are connected to the connecting sleeves, and abutting frames are arranged on the first connector and the second connector and located between the end faces of the protective fastening frames and the fastening structures correspondingly; and support frames are arranged on the fastening structures. According to the connector device for quick cable wiring of the invention, the connection effect at a joint can be ensured, so that the stability and safety of connection are improved.