353results about How to "Won't loose" patented technology

The invention relates to a hidden turnover ladder. The hidden turnover ladder is characterized by comprising an upper ladder assembly and a lower ladder assembly, wherein the upper ladder assembly comprises a baseplate, and a pair of mounting vertical plates symmetrically arranged on the baseplate; multiple stages of upper antiskid pedals are arranged between the mounting vertical plate; first pin shaft holes are formed in the lower front parts of the mounting vertical plates; the lower ladder assembly comprises a pair of step type mounting side plates; connecting lug plates are arranged at the upper ends of the mounting side plates, and are rotationally connected with the first pin shaft holes through first pin shafts; and multiple stages of lower antiskid pedals are arranged between the mounting side plates. The hidden turnover ladder has the beneficial effects of less occupied space, convenience for use and folding capacity in no use. The invention further discloses oil field operation equipment adopting the turnover ladder; and the oil field operation equipment has the following beneficial effects: second pin shafts are arranged for connecting a car body with the hidden turnover ladder, so that the turnover ladder can be accommodated in a turnover ladder accommodating cavity after two times of overturning, and the effect of convenience for use and transportation is achieved.

The invention discloses a tubular pile die screw, which comprises an upper die and a lower die, wherein the edges of the upper die and the lower die are correspondingly fixedly provided with a plurality of upper seats and lower seats, bolt fixing holes run through the upper seats, the upper die, the lower die and the lower seats, a lower spring pad is arranged in the upper seat, the lower spring pad is clamped in the upper seat via a clamp spring, a spring is sleeved between the lower spring pad and the upper seat, the upper end of the spring is sleeved with an upper spring pad, a bolt penetrates through the upper spring pad, the spring, the lower spring pad, the bolt fixing hole and the lower seat from top to bottom, a nut used for locking the bolt is clamped in the lower seat via an inserted pin, the lower part of the bolt is fixedly provided with a convex ring, the inner side of the lower spring pad is fixedly provided with an inner clamping ring used for clamping the convex ring and preventing the bolt from dropping, and after the nut is unscrewed, the spring jacks up the bolt and makes the bolt separated from the lower die. The die clamping screw arranged on the upper die can not loose, the die clamping is convenient, the die can be clamped well by directly screwing the bolt, and the production efficiency is high.

The invention provides an anti-drop insulation piercing connector. A J-shaped clamp which is in a columnar form in the transverse direction is arranged; a pair of screw rods is in threaded connection with a pair of screw holes in an upper platform of the J-shaped clamp respectively; the inner end of each screw rod is movably sleeved with a chuck; an upper wire slot is longitudinally arranged in the lower end surface of each chuck; a locking groove is arranged in the upper end surface of each screw hole of the upper platform; and a plurality of one-way locking claws are arranged on the side wall of each locking groove and can be pushed by a corresponding locking nut in the fastening and rotating direction to rotate around a rotating shaft and continuous rotation in the loosening direction is blocked by the front ends of the one-way locking claws. The target of long-time operation without loosening of a power cable clamp is achieved; vibration is effectively resisted; and loosening is prevented. Piercing teeth do not rotate; and the upper wire slots of the chucks can be provided with the piercing teeth, so that the conductivity is ensured; and the service lifetime is further prolonged under the action of pressure springs.

The invention discloses an antimicrobial self-cleaning paint which contains deionized water, hydroxyethyl cellulose, a pH regulating agent, a dispersing agent, a wetting agent, titanium dioxide powder, an inorganic antimicrobial agent, talcum powder, kaolin, an acrylic emulsion, propylene glycol, alcohol ester-12, a flatting agent, a defoaming agent and hollow microbeads. The invention further discloses a preparation method of the antimicrobial self-cleaning paint. The antimicrobial self-cleaning paint has the strong antibacterial mildewproof property under a wet environment; a paint film can be repeatedly used for killing escherichia coli, staphylococcus aureus, fungi, moss bacteria and phycomycetes for a long time, and can decrease the propagation and the breeding of mucedine and the fungi for a long term. In addition, the antimicrobial self-cleaning paint is excellent in flatting property and constructability, and has the ultra-strong adhesive force. Thus, the paint film is firmed permanently.

The invention discloses an anti-loosening mechanism for installing a robot. The anti-loosening mechanism comprises a bolt bar and a fastening nut. A section is axially formed on the bolt bar, a left-hand threaded rod is integrally formed at the top end of the bolt bar, the bolt bar is sleeved with a gasket, a through hole matched with the bolt bar is formed in the gasket, the fastening nut is connected to the side, corresponding to the gasket, of the bolt bar in a threaded mode, a first threaded hole is formed in the middle of the fastening nut, an arc groove is formed in the part, corresponding to the periphery of the first threaded hole, on the fastening nut, a limiting nut is connected to the side, corresponding to the fastening nut, of the outer side wall of the left-hand threaded rodin a threaded mode, a second threaded hole is formed in the middle of the limiting nut, fixing holes are formed in the part, corresponding to the periphery of the second threaded hole, of the limitingnut, and fixing mechanisms are connected to the position, corresponding to the arc groove, in the fixing holes in an inserted mode. Compared with a traditional bolt, the anti-loosening mechanism is not likely to loosen, the loosening dropping phenomenon can be avoided, and safety accidents can be avoided; and meanwhile, disassembling is convenient, the anti-loosening mechanism can be used again,and waste can be avoided.

The invention discloses an inflatable butterfly valve. The inflatable butterfly valve is provided with a valve seat, a valve shaft installed on the valve seat and a butterfly plate component. The valve seat is provided with a medium channel provided with a central line in the axial direction of the valve seat. The valve shaft is provided with a rotation axis which extends and passes through the central line. The butterfly plate component is fixed to the valve shaft and arranged inside the medium channel. An extension portion with a valve shaft installation channel arranged internally is arranged above the valve seat. A pneumatic actuator installation flange is arranged at the free end of the extension portion and provided with a pneumatic actuator, and a driving shaft of the pneumatic actuator is connected with the valve shaft. An annular embedding body made of an elastic material is embedded in the inner wall of the valve seat in the circumferential direction and provided with two embedded ends and a deformable portion, the two embedded ends are embedded into the valve seat, the deformable portion is arranged between the embedded ends and forms an inflatable cavity with the inner wall of the valve seat, and the inflatable cavity is communicated with an air inflation hole formed in the valve body. An air inflation hole of the pneumatic actuator and an air inflation hole of the valve body are connected with an external air source through magnetic valves. The inflatable butterfly valve has the advantages of being small in friction and torque, resistant to abrasion, long in service life and suitable for the field of the chemical industry.

The invention discloses a display device which comprises a display module, an auxiliary panel and a fixed structure, wherein the fixed structure is used for assembling the auxiliary panel on the display module. The fixed structure comprises a frame and a plurality of positioning sheets arranged on the frame. The frame defines a holding space for holding and bearing the display module and the auxiliary panel. Each of the positioning sheets is correspondingly matched with a screwing component to stably screw the auxiliary panel on the frame. Each of the positioning sheets is further provided with a buffer shock absorbing sheet with adhesive layers on both sides to adhere on the auxiliary panel. By the method, the invention can stably assemble the auxiliary panel on the frame by using screwing pressure and viscosity to absorb the shock so as to prevent the auxiliary panel from shifting relative to the frame.

An electric hoisting stretcher vehicle comprises a universal wheel chassis, a liftable platform and a hoisting system, wherein the universal wheel chassis is in contact with the ground through four universal wheels (1-2) which are fixed at four corners of a chassis flat plate (1-1) respectively; a battery jar (1-3), a charger (1-4) and a frame (1-5) are placed on a plane; a lifting platform slide track is fixed on the plane; the liftable platform comprises a lifting platform (2-1), bearing seats (2-2), lifting rods (2-3), upper cross rods (2-4), screw rods (2-5), screw nuts (2-6), lower cross rods (2-7), slide blocks (2-8), polished shafts (2-9) with support seats, a worm gear speed reducer A (2-10) and a DC motor (2-11); the hoisting system comprises graspers (3-1), grasping racks (3-2), nylon tapes (3-3), take-up reels (3-4), a six-edge take-up spool (3-5), a worm gear speed reducer B (3-6), a DC motor (3-7), a lifting beam (3-8), a half shaft (3-9), a speed reducer (3-10), a reducing motor (3-11), a support rod (3-13), a support rod groove (3-14) and a bolt (3-15). The electric hoisting stretcher vehicle can be used for hoisting a stretcher electrically, so that a patient can be transferred between equipment and the stretcher vehicle.

The invention discloses a continuous automatic stamping die, and belongs to the technical field of stamping dies. The technical essential is as follows: the continuous automatic stamping die comprisessupport plates, wherein two support plates are arranged; the two support plates are fixedly connected through a lower die plate; an upper die plate is arranged above the lower die plate; a drive rollis arranged at one end of each of the two sides of the lower die plate; the drive rolls are connected with a drive device inlaid in the lower die plate through transmission shafts; a transmission roll is arranged at the other end of each of the two sides of the lower die plate; the transmission rolls are movably connected with the lower die plate through connection shafts; the drive roll and thetransmission roll which are located at the same side are connected through a conveying belt; and a clamping assembly is arranged at one end of the upper surface of each conveying belt. According to the continuous automatic stamping die, the drive rolls, the transmission rolls and the conveying belts are arranged at the two sides of the lower die plate, the clamping assemblies can be driven to move, a cylinder is arranged on each clamping assembly, and each clamping assembly is enabled to stably clamp a stamping material; and each cylinder is configured to be of a movable structure, so that thestamping material is capable of driving the cylinder to move during stamping working.

The invention belongs to the field of intelligent electric meters, in particular to an integrated module box of an intelligent electric meter. The integrated module box comprises an upper box, a lower box and a light transferring pole, wherein the light transferring pole is arranged in the upper box, a grabbing groove is arranged in the outer surface of the upper box; fastening bosses are arranged on two sides of the light transferring pole; a limiting groove is arranged in the bottom of the upper box, a limiting buckle is arranged at the side of the limiting groove, a thin rib is arranged on a position, corresponds to the limiting groove, at the top of the lower box, a buckle groove and a step are arranged on the position, which corresponds to the limiting buckle, at the side of the top of the lower box; a locating column and a fixed column are arranged in the upper box; a locating boss and a fixed boss are respectively arranged on positions, which correspond to the locating column and the fixed column, in the lower box, the locating boss is provided with a hollow hole, the aperture of the hollow hole is consistent to the aperture of the locating column; a through hole is arranged in the bottom of the lower box. The integrated module box has the advantages of concise and generous integrated design, firmness and reliability, and capability of meeting requirements of the intelligent electric meter on integration and interchangeability of functional modules.

The invention discloses a lithium ion battery pack. The lithium ion battery pack comprises a battery box, a battery module and a battery pack electronic part are arranged in the battery box and are fixed in the battery box in the three-dimensional direction, the battery module comprises a plurality of square single cells which are superposed in a lamination manner, pressure plates positioned at two ends of the battery module, insulating plates for separating the single cells from the pressure plates, and pull bars and pull strips which are used for fixing the pressure plates and the single cells, and every single cell is fixed in the battery module in the three-dimensional direction through a corresponding single cell assembling frame. The lithium ion battery pack has the advantages of overcoming of defects existing in the prior art, strong vibration and impact resistance, no displacement problem caused by cell expansion in the use process, good heat conduction and conflux performances, simple structure, convenience in assembling and operating, realization of modular design and assembling, strong applicability and low production cost.

The invention discloses a mechanical sealing device of a high-pressure water injection pump. A shaft sleeve is provided with a step, a movable ring assembly is fixed on the outer wall of the shaft sleeve, one end of the movable ring assembly is abutted against the step, an elastic compensation assembly comprises a stationary ring seat, a stationary ring which is embedded on the stationary ring seat, an anti-rotation pin which is arranged on the stationary ring seat and a plurality of small springs, a sealing gland bush is provided with an axial accommodating hole, a plurality of spring holes are uniformly distributed on the circumference, the anti-rotation pin is plugged into the accommodating hole and can float in the axial direction, the small springs are arranged inside the spring holes, one end of each small spring is abutted against the stationary ring seat, the tail end of the stationary ring seat stretches out of the sealing gland bush, the tail end of the stationary ring seat is provided with a clamping spring, the elastic compensation assembly is pre-installed on the sealing bland bush, the inner wall of the sealing gland bush is fixedly provided with a distribution ring, and a plurality of injection holes are uniformly distributed on the distribution ring. The elastic compensation assembly is installed in a stationary manner and free from the influence of centrifugal force, the small springs which are uniformly distributed can result in good floatability, the elastic compensation assembly is pre-installed in the sealing gland bush through the clamping ring, and the injection holes which are uniformly distributed can realize multipoint washing, so that uniformity in cooling can be realized.

The invention discloses a fast automatic binding device for building steel bars with good use effect, comprising a binding base plate, a bottom binding bracket is embedded and welded on the binding base plate, and chute is symmetrically opened on both sides of the bottom binding bracket, The chute on both sides of the bottom strapping bracket is symmetrically connected with the first strapping side frame and the second strapping side frame through rollers respectively, and the bottom shells of the first strapping side frame and the second strapping side frame are welded with auxiliary supports steel frame, and the bottom of the auxiliary supporting steel frame is rotatably connected with the chute through rollers. In the present invention, firstly, by providing the first welding groove, the first welding bump, the second welding groove and the second welding bump, the steel bars for bundling can be cross-welded, so that the steel bars are fixed more tightly. It is firm and will not loosen. At the same time, it can automatically tighten the steel bars used for binding, making the steel bars more tightly bound, improving the quality of the binding, and increasing the competitiveness of the market.

The invention discloses an automatic adjusting type tablet computer support which comprises a support tray. The support tray comprises an upper cover, lug bases and a lower cover. The automatic adjusting type tablet computer support further comprises two elastic stretching mechanisms and two locking mechanisms. The two elastic stretching mechanisms are correspondingly arranged between the upper cover and the lower cover and face the two sides of the upper cover and the two sides of the lower cover respectively. Each lug base is fixed to the tail end of the corresponding elastic stretching mechanism. The two locking mechanisms penetrate through the two ends of the lower cover respectively and abut against the two elastic stretching mechanisms respectively. When the automatic adjusting type tablet computer support is actually implemented, two levels of elastic stretching components are arranged, through stretching operation of the first-level elastic stretching component and the second-level elastic stretching component, the distance between the two lug bases is adjustable, so that tablet computers of different sizes are contained, and adaptability is high; the first-level elastic stretching component and the second-level elastic stretching component are fastened through the locking mechanisms, so that the whole structure of the automatic adjusting type tablet computer support is good in fastening performance, the fastening effect on the contained tablet computers is good, and the tablet computers can not slide down.

The invention discloses an anti-loosening and anti-electric-shock socket comprising a socket shell. The outer wall of the socket shell is provided with a mounting groove. The inner bottom of the mounting groove is symmetrically provided with two inserting grooves which are communicated with the internal part of the socket shell. A rotating plate is rotatably connected on inner bottom of the mounting groove through a torsion spring. The side wall of the rotating plate is provided with two symmetrically arranged jacks in a penetration way. The inner wall of one end of the socket shell away fromthe rotating plate is provided with an electric receiving device for electrifying. The inner wall of one end of the socket shell near the rotating plate is provided with a clamping device for preventing the connecting plug from loosening. The advantages are that the intensity of the induction magnetic field generated by the first coil is greatly enhanced through the insertion of the power receiving column, then the attraction force received by the limiting rod is increased, the limiting rod can overcome the elastic force of the return spring and slide into the clamping groove to realize the limiting of the power receiving column, the power receiving column is ensured not to loosen in the use process and the power receiving use process is ensured to be stably performed.

The present invention relates to a method for threading a thread (16) into a guide slot (21) of an individually driven, finger-shaped thread guide (13) of a textile machine, which thread guide (13) guides the thread (16) parallel to the spool axis via an oscillating stroke width in order to transfer a thread (16) on a rotating spool (5), wherein the thread guide (13) is transferred into an initial position (A) before the beginning of the threading operation; the thread guide (13) is then transferred into a threading position (E) and drives the thread (16) which is to be threaded in; a relative movement is generated here between the thread guide (13) and the thread (16), in order to thread the thread (16) into the thread guide (16); and the thread (16) is held with tension for the threading operation.

The invention relates to a three-phase four-wire plug and socket plugging assembly, which comprises a plug assembly and a socket assembly, wherein four male end binding posts are arranged on the bottom surface of a plug shell of the plug assembly; a plug body is arranged on the top surface of the plug shell; a concave annular zero line, a U-phased contact, a V-phase contact and a W-phase contact are arranged on the plug body; four male end binding posts are connected with corresponding contacts respectively; a socket core is arranged in a socket shell of the socket assembly; a center jack is arranged in the socket core; an arc-shaped contact and a contact pressure spring are arranged on the outer wall of the socket core; the contact pressure spring is extruded between the contact and the inner wall of the socket shell; a coaxial taper contact is arranged in an inner cavity of the socket shell; four female end binding posts are arranged at the bottom of the socket shell; the female end binding posts are correspondingly connected with annular groove inner contacts and the taper contact through wires; three annular groove inner contacts are correspondingly connected with and communicate with the zero line, the U-phased contact and the V-phase contact respectively; and the taper contact is connected with and communicates with the W-phase contact.

The invention provides an electric connecter (10) which is hard to hang on the enclosures surrounding the industrial devices and an electronic device when a cable (40) is drew and improves retentiveness of the cable (40) and does not cause poor connection. In the electric connecter having a plurality of contacts (14), insulators (12), plug casings (16), coupling rings (20), rear casings (18), couplings (22), cable clamps (24) and clamp nuts (26), the connecter has a mounting unit (501) having a cable clamp (24), a cable insertion unit (502) where the cable (40) enters and is connected to the mounting unit (501). By arranging a conic section (504) on a periphery of a projection of the cable, or by arranging at least one projection (505) on the cable insertion unit (502) or by arranging both of the conic section (504) and the projection (505), two cover components (50) are mounted on the cable projection side of the mounting mechanism, thus the purpose of the invention can be realized.

A plate holder is used to fasten a front plate to a drawer frame. The plate holder comprises a mounting bracket (4) that can be fastened to the front plate (1) and a mounting fitting (5) that can be fastened to the drawer frame. A locking wedge (11) is guided displaceably in the mounting fitting (5) at a right angle to the insertion direction of the mounting bracket (4) and is pushed into the fastening position by a spring force. The locking wedge (11) rests with a wedge surface (28) against the mounting bracket (4) and is articulated to a release lever (22), which is movably supported on the housing (9) of the mounting fitting (5) and has a key lug (26) for torque transmission. During insertion into the mounting fitting (5), the mounting bracket (4) engages a stop surface (27) of the release lever (22) such that the release lever (22) can be pivoted out of the mounting position thereof.

The invention provides a portable cable well lid opening tool. The portable cable well lid opening tool comprises a working arm composed of a fixed arm and a movable arm. The fixed arm and the movable arm are stacked forwards and backwards and hinged through a pin shaft in through holes in the upper ends, the portions, deviating from the central axis, of through holes in the lower ends of the fixed arm and the movable arm stretch to the two sides to form a fixed chute and a movable chute, a sliding shaft penetrates through the fixed chute and the movable chute, the sliding shaft is connected with the lower end of a linkage rod, the lower ends of the fixed arm and the movable arm are provided with working hooks with the stretching directions opposite to those of the fixed chute and the movable chute, the upper end of the fixed arm is fixedly connected with two parallel connecting arms of a bearing handle, sliding holes are oppositely formed in the two connecting arms, the two ends of a cross bar are provided with sliding faces matched with the sliding holes, the cross bar is positioned between the two connecting arms through the sliding holes and the sliding faces, the upper end of the linkage rod is connected with the cross bar, positioning nuts are arranged at the outer ends of the two sliding faces, reset springs are arranged at the two ends of each connecting arm respectively, and a control handle is arranged on the cross bar. Various cable well lids can be efficiently opened in a labor-saving mode.

The invention discloses a riveting nut gun rapid dismantling device which comprises a riveting nut rod, a fixed sliding sleeve, a pull rod and a spring, wherein the rear end of the riveting nut rod is provided with an inner / outer thread, the front end of the pull rod is provided with a matched outer / inner thread, and the riveting nut rod can be fixed at the front end of the pull rod through the matched threads; the outside of the rear end of the riveting nut rod is a polygon; the outside of the front end of the pull rod is a polygon which is the same as the rear end of the riveting nut rod; the fixed sliding sleeve is sleeved on the pull rod, and the inner bore of the fixed sliding sleeve is a polygon matched with the polygon of the front end of the pull rod; and the spring is sleeved on the pull rod, and one end of the spring pushes against the tail of the fixed sliding sleeve in an elastic manner. By adopting the riveting nut gun rapid dismantling device, when the riveting nut rod is changed, only the fixed sliding sleeve is pulled down so as to screw out the riveting nut rod. Therefore, the riveting nut gun rapid dismantling device is convenient to use, and the working efficiency is increased.

This invention discloses a crimp connection for casing tube or crimped lock for wire used in power transmission and distribution line composed of a columnary matrix, the section of which exhibits C shape, two lineal furrows are set at both ends point distributed locking reentrants / humps or continuous or discontinuous locking furrows or locking ribs are set up on the surfaces of inner / output surfaces of the matrix and the furrows to stitch the crimped lock with wires due to the above-mentioned crimped lock structure, increasing its pulling force, reducing its connection adapted resistance and temperature rising.