58results about How to "Improve loose" patented technology

The invention relates to a column core concrete lift-up connecting device of a steel pipe column, belonging to the technical field of building construction. The device comprises an elbow with a horizontal port and an upwarping port. A one-way valve cover is installed at the higher side of the upwarping port of the elbow through a hinge, and the higher side of the upwarping port extends into the steel pipe column from the lower part of the steel pipe column; the horizontal port of the elbow is connected with a pumping line, and the pumping line is provided with a stop valve with a plug-in board. When the device works, the upwarping end extends into the steel pipe column, but not clings to the pipe wall of the steel pipe column, therefore, concrete is pumped out by a pipe core with favorable pouring effect; a one-way valve and the stop valve prevent the concrete from flowing backwards respectively at the inside and the outside of the steel pipe column, and therefore, the invention fulfills a function of double insurance, is reliable, also has favorable sealing effect and can keep the lift-up pressure; and when the pressure in a pipe is larger, the one-way valve firstly shares the pressure, thereby efficiency avoiding overflowing of the concrete at the stop valve, therefore, the invention is particularly suitable for pouring the higher steel pipe column.

A chain coupling component, e.g. in the form of a lifting hook, is disclosed. At the top end, the component has a connecting head shaped like the letter''C'' with a longitudinal or vertical slot (10) leading to a widened space (30). At its upper end portion, the connecting head has a pocket-like configuration (29) for accommodating a selected link (55) whereby the effective length of an associated chain is determined. This effective length can be adjusted by inserting a different link in coupling position in the pocket like configuration (29). The end link (52) is anchored to an anchoring means (40) located at the lower end portion of the connecting head (10). Hereby, the component will maintain its orientation and relative position in relation to the load line.

The invention provides a bendable short-circuit ground wire operating device. The device comprises an operating rod, a fastening screw, a grounding wire clamp and a turning device; the turning devicecomprises a sleeve and a universal joint; one end of the sleeve is fixedly connected with one end of the operating rod; the other end of the sleeve is provided with an opening; axial guide grooves areformed in the two side faces of the sleeve; the universal joint is slidably connected with the guide grooves through protruding structures arranged on the two sides of the universal joint; when the universal joint slides to the ends, close to the opening of the sleeve, of the guide grooves, the turning end of the universal joint extends out of the sleeve; the turning end of the universal joint isconnected with one end of a fastening screw rod; the grounding wire clamp comprises a wire clamp main body and a fastening clamping piece; a short-circuit wire mounting hole is formed in one outer side of the wire clamp main body; one side of the fastening clamping piece is slidably connected with the inner side face of the wire clamp main body; a hole-shaped clamping groove is formed in the lower side face of the fastening clamping piece; the other end of the fastening screw is provided with a round head clamping piece; and the round head clamping piece of the fastening screw is clamped withthe hole-shaped clamping groove after passing through a screw hole formed in the lower surface of the wire clamp main body.

A shear-type electromagnetic lock is disclosed whose armature can approach the electromagnet from any transverse direction, which can be mounted in any orientation with respect to gravity, and which does not require any door position sensing means. The armature includes a pair of standoffs in the form of conically projecting buttons affixed thereto, the buttons projecting from the plane of contact between the armature and the electromagnet. The buttons have a base angle of 60-80 degrees adjacent the armature, and an angle of 45 degrees distal from the armature, and terminate in a smoothly rounded point. The armature is mounted to a sub-plate via counteracting springs such that the armature "floats" on the sub-plate, with the distance between the armature and the sub-plate being adjustable via adjusting screws. A matching electromagnet assembly for mounting to a door frame includes matching conical depressions positionally corresponding to the conical buttons such that the buttons seat into the depressions when the armature and electromagnet are properly aligned. The buttons and recesses are arranged in a staggered pattern.

The invention discloses a silicon rubber insulator injection mold demolding device. The device comprises a moving template, a lower template, a lower heat plate, a mandrel, at least three movable inserts and a driving mechanism, wherein the lower template is fixedly arranged at the upper end of the moving template; the lower heat plate is fixedly arranged between the moving template and the lower template; the mandrel is placed in a cavity of the lower template; the movable inserts are arranged in the cavity of the lower template in a vertical sliding mode, the shapes of the upper ends of the movable inserts correspond to the shape of the cavity of the lower template, so that the movable inserts are combined with the cavity of the lower template to form a cavity of a product, and the at least three movable inserts are distributed along the axial direction of the cavity of the lower template; the driving mechanism is fixedly arranged on the movable template and is connected with the movable inserts to drive the movable inserts to slide up and down. According to the device, automatic demolding can be performed on the product, the production efficiency is high, and the product is not damaged easily.

The display device is secured in a carrier by dual-locking; through the access point in the carrier, the display device wireless exchanges data with different media centers. The dual-locking can be unlocked by using single hand.

The invention provides an ultrahigh-voltage direct-current sleeve joint. The ultrahigh-voltage direct-current sleeve joint comprises a conducting pipe as well as an epoxy pipe and a supporting cover plate which are arranged coaxially relative to the conducting pipe, wherein the supporting cover plate is provided with a through hole which is vertical to the axial direction of the supporting cover plate and coaxial with the conducting pipe and the epoxy pipe; the conducting pipe passes through the through hole and is connected with a top cover plate; a part, surrounded between the supporting cover plate and the top cover plate, of the conducting pipe is provided with a corrugated pipe which is positioned at the upper end of the supporting cover plate and connected with the supporting cover plate and the top cover plate. Compared with the prior art, the ultrahigh-voltage direct-current sleeve joint disclosed by the invention has the advantages of solving the problem of extension and contraction of the conducting pipe by enabling the corrugated pipe to extend and contract correspondingly along with the extension and contraction of the conducting pipe, solving the problem of metal friction caused by hard connection between parts, improving the sealing reliability, guaranteeing good leakproofness of a sleeve chamber body, improving the problem of easy loosening caused by own gravity of the parts, simplifying the installation process of the conducing pipe and lowering the time cost.

The invention belongs to the field of gelatin preparation, and particularly relates to a production method of a pharmaceutical gelatin by an enzyme process. The gelatin prepared by the method can satisfy the index requirements of gelatins for pharmaceutical capsules. The method basically comprises the following steps: leather pretreatment, enzyme-process gelatin extraction, filtering, ion exchange, membrane concentration, straight plate drying, sterilization, gumming, drying, pulverization, and inspection to obtain the finished product. The leather treatment time is obviously shorter than that of the alkaline process, and the acid and alkali consumptions are greatly reduced; and besides, the yield of the high-quality gelatin obtained by the method is greatly enhanced.

The invention discloses a practical scaffold connection device which comprises a base, two clamping mechanisms and two fixing mechanisms. Tube clamping grooves are formed in the two opposite sides of the base, and the clamping mechanisms and the tube clamping grooves are in one-to-one correspondence. Each clamping mechanism comprises a first rotating shaft, a second rotating shaft, a rotating base, a mounting base, a first thread rod, a nut, a clamped piece and a pressing plate. The fixing mechanisms and the nuts are in one-to-one correspondence. Each fixing mechanism comprises a mounting tube, two second thread rods and two moving rods; the mounting tubes are mounted on the corresponding nuts, the two second thread rods are rotatably mounted in the corresponding mounting tube; the two second thread rods are in parallel; two movable matched holes are formed in the moving rods; and internal threads matched with the second thread rods are arranged in the movable matched holes. On any moving rod, the two second threaded rods penetrate through the two movable matching holes correspondingly, and the two moving rods are located on the two opposite sides of the corresponding first thread rod. The practical scaffold connection device is simple in structure, easy to fix and not likely to be disengaged.

The invention relates to a card locked pull-fall separation electrical connector. The electrical connector comprises a plug and a socket, wherein more than one locking steel ball is arranged on an outer wall of a front part of a head shell of the plug and is used for connecting the plug and the socket in a locking way, a hole core assembly is arranged in the head shell, the plug comprises a locking sleeve, a ripple spring, a springs, a steel ball, a ratchet, a positioning baffle ring, a pull ring connection sleeve, a connection sleeve baffle ring, a pull ring, a steel rope and a pull pin, the locking sleeve is sleeved outside the head shell, a circle of circumferential groove and more than one axial groove are formed in an inner wall of a front part of the locking sleeve from outside to inside, the inner wall of the locking sleeve elastically props against head shell through the ripple spring, the ratchet and the pull ring connection sleeve are connected with an inner wall of a rear part of the head shell through a spline from inside to outside, an inner end surface of the ratchet props against the head shell by a plurality of steel balls with the springs, an outer end surface of the ratchet is arranged at an upper limit of the head shell by the baffle ring, an outer end surface of the pull ring connection sleeve is limited by a connection sleeve baffle ring arranged on an inner wall of the locking sleeve, more than one upper pull ring is connected with the pull ring connection sleeve, and the pull ring is connected with the pull pin through a steel rope.

The invention relates to the field of medical anatomy, and relates to medical anatomy instrument disinfection equipment. The equipment comprises a clamping assembly, a washing and disinfecting assembly and a purifying assembly, the traditional disinfection equipment often has the defects that clamping is inconvenient, instruments cannot be soaked and flushed by a disinfectant, and waste liquid after disinfection cannot be treated. According to the invention, the problems are solved; an instrument can be clamped by rotating an operating rod; a toggle pawl is subjected to no longer clamping, theinstrument is firmly clamped and is convenient to loosen; a motor is subjected to clockwise rotation, the fan blades rotate to drive the disinfectant to wash the surface of the instrument and disinfect the instrument; the motor is subjected to counterclockwise rotation, a clamping device automatically rises to conveniently unload the instrument; after the clamping device is lifted, the disinfectant flows into a purifying chamber, the discharging amount of a flocculating agent is controllable, the flocculating agent is evenly scattered in the purifying chamber to purify waste liquid, the treated waste liquid flows out through the screen holes, a hole diameter of the screen hole is adjustable, the screening requirements under different conditions are met, a locking device is opened after waste liquid treatment is completed, a screen plate is opened around a hinge shaft, and filter residues are convenient to clean.

The present invention discloses a plug incapable of coming loose. The plug includes a plug body and an insulating sleeve. The upper surface of the plug body is equipped with a first groove at the center. The other end of a connecting shaft is connected with an upper plug. A connecting spring is disposed inside the lower surface of the plug body. A lower plug is embedded in the upper surface of each steering wheel. A return spring is connected between the inner side surface of the lower end of an inclined hook and the outer side surface of the lower end of the lower plug. The insulating sleeveis disposed on the surface of the plug body. According to the plug incapable of coming loose, the lower plug can be freely rotated in the steering wheel by the assembly between the steering wheel andthe lower plug. Thus, the lower plug can be adapted to various jacks, and can be prevented from falling off when unplugged. The two steering wheels are connected by the connecting spring, and can slide in a second groove, so that the distance between the two lower plugs can be changed, thereby improving the loosening problem of the plug.

The invention discloses a hard disk fixing frame. The hard disk fixing frame comprises a U-shaped protection housing, at least on bearing plate and at least one press piece, wherein each bearing plate is equipped with each press piece, the U-shaped protection housing comprises two housing walls and a housing top connected between the two housing walls, the two housing walls are arranged at an interval and parallel to each other, an insertion mouth used to insert an external hard disk is formed between the two housing walls, the at least one bearing plate is fixedly inserted between the two housing walls, the at least one bearing plate is parallel to the housing top, a first fixing plate is formed at an extension end of each bearing plate, extended out of the insertion mouth, each press piece is fixed on each first fixing plate in dismountable mode, each press piece is provided with at least one press mouth, the orientation of each press mouth is vertical to the orientation of the insertion mouth, the press piece on one side of each press mouth is provided with a passing mouth for a connector of an external connection wire to pass, and the orientation of each passing mouth is parallel to the orientation of the insertion mouth. The hard disk fixing frame can reliably and conveniently press the connection line tightly, and prevents the connection line from loosing.

The invention discloses a stator winding hoisting device, and relates to the technical field of motor assembling. The hoisting device comprises a hoisting ring, a connector, a screw, a nut, a nut handle, an upper connecting sheet support, connecting sheets, tensioning blocks, a compression spring, and a lower connecting sheet support. The hoisting ring and the screw are integrated by the connector. The nut handle is installed on the screw by the nut. The upper connecting sheet support and the lower connecting sheet support are installed on the screw. The compression spring is fixed between the upper connecting sheet support and the lower connecting sheet support. The tensioning blocks are connected with the upper connecting sheet support and the lower connecting sheet support through the connecting sheets respectively. According to the hoisting device, the compression spring and the tightening nut are employed, so that the tensioning blocks can expand and loosen easily, and a stator winding can be lifted and separated safely. The labor intensity of workers is reduced, and coil enameled wires of the stator winding are effectively prevented from being hit and damaged.

The invention provides a multifunctional paraxial unipod for photography. The multifunctional paraxial unipod is rapid to adjust and steady and reliable to use. The multifunctional paraxial unipod iscomposed of a camera paraxial ascending-and-descending bracket and an extending-and-contracting support foot pipe, wherein the extending-and-contracting support foot pipe is provided with ascending-and-descending locating holes and tread rings. The multifunctional paraxial unipod is characterized in that a short casing pipe of the ascending-and-descending bracket is sleeved with the foot pipe withthe ascending-and-descending locating holes; a user holds the short casing pipe with the left hand and presses a locating pin handle with the finger, and a locating pin is lifted; the ascending-and-descending bracket and a camera are slid up and down to reach proper positions; the handle is released, and the locating pin is automatically inserted into the corresponding ascending-and-descending locating hole under the effect of a spring to lock the height; and a camera carrying plate is rotated, the pitching angle of the camera is adjusted, locking is conducted through a jackscrew, and photographing is conducted. The traditional mode of conducting support and rotation on the camera is changed from the center of the bottom of the camera to one side of the camera, and therefore, the balanceis better. In the adjustment and photographing processes, the user treads on the tread rings, so that stability achieved in the whole working process of integral equipment is improved. When the multifunctional paraxial unipod is needed, vertical photographing can be achieved, and the camera paraxial ascending-and-descending bracket can be rapidly made to break away from the support foot pipe to beindependently used as a camera handle.

The invention relates to a comb bar for a suction nozzle for a workstation of a textile machine for creating cross-wound spools. The suction nozzle has a suction port for the pneumatic picking of a yarn breakage or a controlled thread cut accumulated on the surface of a cross-wound bobbin end. The comb bar disposed in the suction port area is provided with a chamfer and a comb strip. The comb strip is used for fixing the thrum. The comb bar (19) has a structured surface (32) formed at a region of a chamfer (31) of the bar during photochemical etching process. Contour edges are formed at a region of the structured surface and comprise undercuts. The structured surface is produced by means of photochemical etching.

The invention relates to a thread screw joint structure. The thread screw joint structure is used for solving the problem that traditional thread screw joint is not tight enough. The thread screw joint structure comprises an internally threaded piece and an externally threaded piece. The thread pitch specifications of internal threads of the internally threaded piece and external threads of the externally threaded piece are made to have slight difference, so that the internal threads and the external threads can conduct mutual interference, and therefore the screw joint tightness degree is improved.

The invention discloses a meshing tooth spanner structure. Meshing teeth are arranged on the opposite edges of the inner side of a fixed jaw and the inner side of a movable jaw of a spanner respectively. In this way, the meshing teeth on the fixed jaw and the movable jaw are good in meshing performance. The meshing tooth spanner structure has the advantages that due to the fact that the meshing teeth are arranged on the inner side of the fixed jaw and the inner side of the movable jaw of the spanner respectively, fastening and loosening of a round connector between a tap water pipe and a pipe fitting are facilitated, moreover, the slipping problem is not prone to appearing when a nut and a bolt are fastened and loosened, problems existing in an existing spanner can be improved, and the using effect is good.

The invention discloses an environment-friendly advertisement guideboard based on new energy, relates to the technical field of advertisement guideboards, and solves the problems that according to an existing new energy advertisement guideboard, regular cleaning of the guideboard can be completed only by climbing and manually applying force, and cleaning operation steps are tedious, strenuous and inconvenient. An advertising guideboard for environmental protection based on new energy comprises an advertising board body, the whole advertising board body is of a rectangular structure, and two long-strip-shaped solar cell panels are symmetrically installed on the lower half sections of a left supporting plate and a right supporting plate of a peripheral frame of the advertising board body in an embedded mode; and a pull frame is vertically inserted in a left vertical supporting plate and a right vertical supporting plate of a peripheral frame of the advertising board body in a sliding mode, three L-shaped clamping plates are arranged and installed on a top supporting plate of the peripheral frame of the advertising board body at equal intervals, and a guideboard is clamped on the three L-shaped clamping plates in a sliding mode. Two hanging supporting rods extend downwards, so that a person can directly stand to grab the two handles to disassemble, assemble or maintain and replace the guideboard, and the trouble that the person climbs to install or replace the guideboard is omitted.

The invention relates to an internal expansion type hollow cylindrical fixture. The internal expansion type hollow cylindrical fixture comprises a main shaft, fastening parts and a movable sleeve; aninner thread is formed in the movable sleeve, and the movable sleeve is connected to one side of the main shaft in a sleeving mode; the main shaft is overall provided with an outer thread matched withthe inner sleeve of the movable sleeve, and a fixing disc is perpendicularly arranged at the end, opposite to the movable sleeve, of the main shaft; each fastening part comprises a connecting rod anda fastening head, and each connecting rod comprises a first connecting rod and a second connecting rod; one end of each first connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each first connecting rod is in hinged shaft connection with the fixing disc; and one end of each second connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each second connecting rod is in hinged shaft connection with the movable sleeve. According to the internal expansion type hollow cylindrical fixture, clamping is stable and powerful, disengaging is convenient, and the internal expansion type hollow cylindrical fixture can be self-adaptive to small deformation in the workpiece machining process and has thegood clamping effect on hollow cylinders and pipes with different sizes and shapes.

The invention relates to a connecting structure of a guide arm and a support and relates to a commercial vehicle suspension system. The connecting structure comprises a support, a guide arm assembly and a bolt. The support comprises a first lug seat and a second lug seat. The guide arm assembly comprises a lug rolling part; the lug rolling part is arranged between the first lug seat and the secondlug seat; a locking part is arranged on the outer side surface of the second lug seat, a lock sleeve is arranged in the locking part, and the locking part locks the lock sleeve in a circumferential direction; the bolt penetrates in from the first lug seat and passes through the lug rolling part, the second lug seat penetrates out from the lock sleeve, and the nut is screwed to screw the bolt to be attached to the lock sleeve, so that the guide arm assembly is hinged to the support; and the reliability of connection between the guide arm and the support is improved through cooperative use of the locking part and the lock sleeve.

The invention discloses a manual clamping device, and belongs to the technical field of mechanical device design. The manual clamping device comprises a support, a handle, a clamping head, a clamping rod, a sliding slot and a sliding rod, wherein the support adopts a framework-shaped structure; the middle part of the handle and a right framework of the support form a revolute pair; the sliding slot is formed in the left end part of the handle; the sliding rod is arranged on the right end part of the clamping head; the sliding rod is embedded into the sliding slot; the middle part of the clamping head and the middle part of the left end of the support form a revolute pair; the handle is moved, the clamping head can rotate around the support, and the left end of the clamping head and the clamping rod can conveniently clamp and loosen a workpiece. The manual clamping device disclosed by the invention is simple in structure and convenient to operate, is closely fit with the workpiece and firmly clamps the workpiece when the workpiece is clamped, and conveniently clamps or loosens the workpiece; the sliding rod is unlikely to drop out of the sliding slot.

The invention discloses a splayfoot detection prompt device based on a surface electromyogram technology, and belongs to the field of health care devices. The splayfoot detection prompt device comprises a leg strap, the leg strap is in a annular shape, electromyogram signal detection electrodes, a signal processing module and a signal execution module are arranged in the leg strap, the electromyogram signal detection electrode and the signal execution module are both connected to the signal processing module, and the electromyogram signal detection electrodes are distributed at the inner side of the rear part of the leg strap and used for detecting splayfoot posture information; the signal execution module is used for generating a prompt signal for a user with respect to the detected splayfoot posture information. The splayfoot detection prompt device based on the surface electromyogram technology combines electromyogram detection and a retractable leg strap, is high in detection accuracy and convenient to use, and can well help the user to correct a splayfoot posture.

The invention discloses an action camera slide block connecting base with a locking structure. The action camera slide block connecting base comprises a connecting part, a chute and two elastic insertion feet; extension feet are respectively arranged forwards at the front ends of the two elastic insertion feet; the two extension feet are opposite to each other; an overturning buckle is provided; the back end of the overturning buckle is rotationally connected to a slide block connecting base; and the front part of the overturning buckle can be clamped between the two extension feet. The overturning buckle can be conveniently locked or unlocked, and can realize convenient and fast installation or disassembly of the slide block connecting base and an action camera thereon; the extension feet are provided for enabling insertion or pulling of the slide block connecting base to become more labor-saving and easier; and the overturning buckle can be loosened when being collided, so that the slide block connecting base inserted on a fixed base and the action camera fixed by the slide block connecting base quickly slide out from the fixed base to prevent personal injury caused by the action camera.

The invention discloses a closely-supporting type adjustable and simple chamferer. The chamferer comprises a chamferer carrier, an alloy cutter, a closely-supporting head and a closely-supporting adjusting connection screw, wherein the chamferer carrier is provided with an alloy cutter mounting base and a machine tool cutter inserting through hole, and the alloy cutter is arranged on the alloy cutter mounting base; the chamferer carrier is further provided with an adjusting process through hole connected with the closely-supporting adjusting connection screw connected with the closely-supporting head through threads, and the closely-supporting head can be controlled to be in contact with or separate from a chip removal evading slot formed in the machine tool cutter. The closely-supporting type adjustable and simple chamferer provided by the invention can sleeve the machine tool cutters of different types and can be integrally connected with the machine tool cutters, and is convenient to use and reliable in structure; when the machining, such as drilling, milling, turning, boring, grinding and the like, is carried out, the body processing and chamfering can be once completed synchronously without additional operation even if the cutter and a working standard are changed, the processing efficiency can be greatly improved, and the economical benefit is significant.

The invention relates to a method for writing with a chalk clamping device by persons with disabled fingers and a structure of the chalk clamping device. The using method includes the steps of enabling the fingers (A) to be inserted into the thick hole end of the clamping device (1) , abutting against one end of a chalk (B) penetrated from the thin hole end in the thick hole end with the fingers (A), enabling the other end of the chalk (B) to be exposed out of the thin hole end, respectively tightening the exposed parts of the fingers (A) and the exposed part of the chalk (B) with the portions, extending out of the clamping device (1), of a rubber elastic thick sleeve (3) and a rubber elastic thin sleeve (2), and the part, exposed out of the rubber elastic thin sleeve (2), of the chalk (B) can be driven by the fingers (A) to complete the writing process on a blackboard. The structural mode is that the interior of the clamping device (1) is formed by a small caliber thin hole section and a large caliber thick hole section which are arranged in a front-and-back mode in a penetrated mode; in addition, the thin hole section and the thick hole section are sleeved with the rubber elastic thin sleeve (2) and the rubber elastic thick sleeve (3) respectively. The method and the structure are particularly suitable for teachers with the disabled fingers.

The invention relates to an internal expansion type hollow cylindrical fixture. The internal expansion type hollow cylindrical fixture comprises a main shaft, fastening parts and a movable sleeve; aninner thread is formed in the movable sleeve, and the movable sleeve is connected to one side of the main shaft in a sleeving mode; the main shaft is overall provided with an outer thread matched withthe inner sleeve of the movable sleeve, and a fixing disc is perpendicularly arranged at the end, opposite to the movable sleeve, of the main shaft; each fastening part comprises a connecting rod anda fastening head, and each connecting rod comprises a first connecting rod and a second connecting rod; one end of each first connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each first connecting rod is in hinged shaft connection with the fixing disc; and one end of each second connecting rod is in hinged shaft connection with the corresponding fastening head, and the other end of each second connecting rod is in hinged shaft connection with the movable sleeve. According to the internal expansion type hollow cylindrical fixture, clamping is stable and powerful, disengaging is convenient, and the internal expansion type hollow cylindrical fixture can be self-adaptive to small deformation in the workpiece machining process and has thegood clamping effect on hollow cylinders and pipes with different sizes and shapes.