30results about How to "Quick buckle" patented technology

The invention provides a quick positioning fastener, module thereof for the combination is on first object and can twist reverse lock joint second object person. It contains fixed unit, and it has the perforation, is arranged in first restriction portion, the second restriction portion and transition portion of perforation respectively, has the angle between first restriction portion and the second restriction portion, the lock joint unit, it has wears to arrange in fenestrate body portion, is located body portion for the restriction convex part or the concave part of activity between first restriction portion, second restriction portion and transition portion, and is located body portion one end and is used for the buckling part of lock joint second object, the control unit who connects the lock joint unit can be equipped with in addition, and the elastic component who pushes away the lock joint unit be used for pushing up. Therefore, the utility model discloses a fix a position fastener fast and combination, module thereof, the restriction convex part or the concave part that enable the lock joint unit be in first restriction portion, second restriction portion and the activity of transition portion, and the anchor that makes the buckling part lock joint or break away from the second object connects the hole.

The invention provides a quick fastening device for torsional fastening. The quick fastening device comprises a fixed seat, a torsional fastening component and a torsional elastic component; the fixed seat is a hollow cylinder with an accommodating groove or has other shapes with the accommodating groove; the torsional fastening component is provided with a force applying part, a fastening rod and a fastening part formed on the end part of the fastening rod; the torsional fastening component is movably arranged in the accommodating groove of the fixed seat; the torsional elastic component is a spiral torsional spring; and one end of the spiral torsional spring is fixedly combined with the fixed seat, and the other end of the spiral torsional spring is fixedly combined with the torsional fastening component, so that the torsional elastic component can drive the torsional fastening component to axially rotate or move. Therefore, the quick fastening device for torsional fastening can be assembled to a first plate through the fixed seat and can be fastened with a second plate through the torsional fastening component so as to realize functions of quickly fastening and unfastening and the like.

The present invention relates to a fastener having a handle so as to be fastened to a fastener in a second object. The fastener is constructed to have the handle. The fastener with the handle mainly has the fastener and the handle. The fastener has a head portion, integrally formed or joined to the head portion and for engaging the fastening portion of the second object, and one or more of the combination portions provided at the head portion. The handle has one or more corresponding portions, and the corresponding portion is movably or fixedly combined at the combination portions. Thus, in the invention, purposes of omitting of tool operation, simple operation and fast fastening can be achieved by means of the fastener designed to have the handle.

The invention relates to a connecting sealing structure for a petroleum drilling tool, in particular to a dual-tooth-form gas-tight thread. The dual-tooth-form gas-tight thread is characterized in that an inner thread is provided with a concave-arc sealing surface; an outer thread is provided with a convex-arc sealing surface; the convex sealing surface is an elliptic arc, parabolic arc or spline-shaped convex-arc sealing surface; the convex-arc sealing surface of the outer thread is meshed with the concave-arc sealing surface of the inner thread. The connecting sealing structure has the advantages that 1, a joint is high in connecting strength, can be matched with a tube body at equal strength, is even higher than the tube body at certain times, and is suitable for deep wells and super deep wells; 2, the bending resistance grade is 3+, so that the connecting sealing structure is suitable for deviated wells, large-displacement wells and horizontal wells; 3, buckling can be performed easily and rapidly without causing any error, so that the connecting sealing structure is suitable for drilling operation in severe environments of deserts, sea and the like; 4, the anti-sticking performance is high, and buckling and detachment can be performed without damaging the threads; 5, the excessive torque resistance is high.

The invention discloses a miller tool holder with a function of conveniently replacing a cutter. The miller tool holder comprises the cutter and a tool holder structure, wherein the cutter is connected with a fixing block arranged in an inner cavity of a tool holder body through a guide frame, under the action of a sliding structure, the cutter is clamped to a clamping structure, and finally, thecutter is fixedly locked through a locking nut. In this way, the cutter replacing speed is increased, manpower and material resources are reduced, and the machining efficiency is improved. The cuttercan be quickly positioned through the guide frame, and the positioning precision is improved; the cutter is subjected to secondary fixing through the locking nut, the situation that the cutter is loosened in use to cause damage to the cutter and the tool holder body is prevented, and the service life of the device is prolonged. Through a pull spring, the distance between an upper L-shaped fixing block and a lower L-shaped fixing block can be adjusted, and the requirements for cutters of different thicknesses can be met; under the action of a third spring, the distance between two fixing framescan be adjusted, the requirements for cutters of different widths can be met, the practicability of the device is improved, and the production cost is reduced.

The invention discloses a device capable of preventing a strand scattering during wire cutting. First connection arms are provided with a plurality of groups, and multiple sets of the first connectingarms are sequentially connected through first pin shafts and a connecting hole to form a flexible connecting arm; the first connecting arm at the head end is movably connected with a first shield through third pin shafts, a second connecting arm is arranged on one side of the first connecting arm at the tail end, and a plurality of ratchets are arranged on one side of the upper portion of the second connecting arm; a locking mechanism is arranged in the first shield, and the locking mechanism is matched with the ratchet on the second connecting arm; an unlocking device is arranged on one sideof the locking mechanism; a wire clamping device can be used independently or in combination. According to the device capable of preventing the strand scattering during the wire cutting, the multiplefirst connecting arms are arranged, the multiple first connecting arms are connected in sequence through the first pin shafts to form the flexible connecting arm, and when wires are pressed, a circular gap is formed between the first connecting arms and the second connecting arm, the contact area between the connecting arms and the wires is increased, and the phenomenon that the wire is scatteredis avoided.

The invention provides a fast buckle connection device provided with a movable buckle connection structure comprising a buckle connection member, which is combined with a first object, and is provided with a first through hole, a positioning member movably disposed on a periphery of the first through hole, and is buckled with a second object by using the positioning member; a control member movably passes through the first through hole, which is provided with a motion restriction part abutting against the positioning member, a control rod of the buckle connection part connected with the motion restriction part and extends outwards, and can be used to unlock the buckle connection state, even when the positioning member is stably buckled with the second object; an elastic member, which is sleeved on the control member, is provided with one end abutting against the control member, and is provided with the other end abutting against the buckle connection member. By using the fast buckle connection device, the problem of the screw locking the two objects together can be overcome, two objects can be quickly combined together, the operation is convenient, and the buckle connection is stable.

The invention discloses a low pressure gas seal special screwed joint, and belongs to the field of oil development. The bearing surface angle alpha of the screwed joint is 3-30 degrees, the guiding surface angle beta is 30-45 degrees, the tooth crest (bottom) arc radius R is 0.38-0.42mm, the tooth socket width B1 is 1.3-1.5mm, the tooth ridge width B2 is 1.6-1.8mm, the tooth height is 1.9-2.2mm, and the screw pitch N is 6-8 teeth per inch. The economic gas seal special screwed joint can be quickly screwed on and bear large bending load and tensile load, and completely meets a requirement for economic and high-efficiency development of low pressure low permeability gas field.

The invention relates to a buckle bending device and method for an angle support. The device comprises a positioning seat, a pressing plate, a cover plate I, a cam, a handle, a mandrel, a bushing anda cover plate II; a guiding groove is formed in the positioning seat; mandrel mounting holes are formed in the top and the bottom of the middle of the guiding groove; the cam and the handle are mounted at the mounting holes through the mandrel; the pressing plate is fixed to one side surface of the positioning seat through the cover plate I by the aid of bolts, the front end of the pressing plateis located outside the positioning seat to control the distance size of a part after press-fitting, and the cuboid tail end of the pressing plate slides in the guiding groove of the positioning seat;and a spring groove is formed in the positioning seat, a compression spring is arranged in the spring groove to provide the elastic force for sliding of the pressing plate, and the cover plate II is fixed to one side surface of the positioning seat by screws to fix the spring. With the method, quick buckle bending of the angle support can be realized, the processing time is saved, the precision requirement can be met, the product processing efficiency and quality are improved, and the device has the high generalization performance.

The invention provides equipment and a system for emergency fire fighting of a high-speed service vehicle. The equipment comprises a base arranged in a carriage and a fire extinguisher arranged on the base, wherein the fire extinguisher is detachably connected to the base through a clamping mechanism; when the fire extinguisher is not used in daily life, the fire extinguisher is clamped on the base through the clamping mechanism; when an emergency situation occurs, the fire extinguisher is rapidly detached from the base through the clamping mechanism, and therefore the purpose of facilitating emergency fire extinguishing of the fire extinguisher is achieved. and the situation that the service life of the fire extinguisher is shortened due to back-and-forth shaking of the fire extinguisher when the fire extinguisher is not used in daily life is reduced, and the purpose that the fixed fire extinguisher can be rapidly taken and used in emergency is achieved.

The invention provides a quick fastening device for torsional fastening. The quick fastening device comprises a fixed seat, a torsional fastening component and a torsional elastic component; the fixed seat is a hollow cylinder with an accommodating groove or has other shapes with the accommodating groove; the torsional fastening component is provided with a force applying part, a fastening rod and a fastening part formed on the end part of the fastening rod; the torsional fastening component is movably arranged in the accommodating groove of the fixed seat; the torsional elastic component is a spiral torsional spring; and one end of the spiral torsional spring is fixedly combined with the fixed seat, and the other end of the spiral torsional spring is fixedly combined with the torsional fastening component, so that the torsional elastic component can drive the torsional fastening component to axially rotate or move. Therefore, the quick fastening device for torsional fastening can be assembled to a first plate through the fixed seat and can be fastened with a second plate through the torsional fastening component so as to realize functions of quickly fastening and unfastening and the like.

The invention relates to a connecting sealing structure for a petroleum drilling tool, in particular to a dual-tooth-form gas-tight thread. The dual-tooth-form gas-tight thread is characterized in that an inner thread is provided with a concave-arc sealing surface; an outer thread is provided with a convex-arc sealing surface; the convex sealing surface is an elliptic arc, parabolic arc or spline-shaped convex-arc sealing surface; the convex-arc sealing surface of the outer thread is meshed with the concave-arc sealing surface of the inner thread. The connecting sealing structure has the advantages that 1, a joint is high in connecting strength, can be matched with a tube body at equal strength, is even higher than the tube body at certain times, and is suitable for deep wells and super deep wells; 2, the bending resistance grade is 3+, so that the connecting sealing structure is suitable for deviated wells, large-displacement wells and horizontal wells; 3, buckling can be performed easily and rapidly without causing any error, so that the connecting sealing structure is suitable for drilling operation in severe environments of deserts, sea and the like; 4, the anti-sticking performance is high, and buckling and detachment can be performed without damaging the threads; 5, the excessive torque resistance is high.

The invention relates to a fast screwing variable pitch superhigh anti-torsion drill pipe joint which is mainly composed of a male joint and a female joint and is characterized in that a female jointthread tooth, a female joint primary shoulder, a female joint primary shoulder surface, a female joint secondary shoulder and a female joint secondary shoulder surface are processed on the female joint; a male joint thread tooth, a male joint primary shoulder, a male joint primary shoulder surface, a male joint secondary shoulder and a male joint secondary shoulder surface are processed on the male joint; the male joint thread tooth and the female joint thread tooth are meshed for connecting the male joint and the female joint; the male joint primary shoulder is in contact with the female joint secondary shoulder; the male joint secondary shoulder is in contact with the female joint primary shoulder; the taper of each of the joint thread teeth is (1:8)-(1:2); the number of turns of each ofthe female joint thread tooth and the male joint thread tooth is 5 to 8; and the screw pitch variable quantity of each of the female joint thread tooth and the male joint thread tooth is 0.1-1mm. Thefast screwing variable pitch superhigh anti-torsion drill pipe joint is suitable for the working condition of excessive torque of a drill pipe and frequent trip operation and can effectively improvethe torsional behavior and the screwing and unscrewing speeds of the drill pipe joint.

The invention discloses a centralizing device for integral dismantling and hoisting of a single-point sleeve and a base plate, which comprises a centralizing lantern ring, a centralizing sleeve, a hoisting device, a hoisting device and a hoisting device, and the centralizing lantern ring is movably connected to the outer wall of the single-point sleeve in a sleeving manner; one end of the lower lifting rope is connected to the corner end of the centralizing lantern ring, and the other end of the lower lifting rope is connected to the corner end of the base disc; the floating crane lifting hook is arranged right above the single-point sleeve; one end of the upper lifting rope is connected to the corner end of the centralizing lantern ring, and the other end of the upper lifting rope is connected to the floating crane lifting hook. According to the method, the single-point sleeve and the base plate are integrally dismounted and hoisted by utilizing the existing leveling hoisting points of the base plate, so that the single-point sleeve and the base plate are prevented from overturning in the integral dismounting and hoisting process, new design and installation of the hoisting points are avoided, hanging and unbuckling of a sling are easy to realize, and the hoisting efficiency is improved. Therefore, the purposes of reducing the construction difficulty and improving the construction efficiency for the project are achieved.

The invention relates to a connecting device between a drawer and a slide rail, comprising a connecting seat fixed on the drawer and a locking part arranged on the connecting seat, wherein the lockingpart is provided with a locking tongue which is telescopically movable relative to the connecting seat. One end of the locking part is hinged on the coupling seat, and the locking tongue at least partially extends out of the coupling seat with the locking part elastically in the reset state through the elastic reset swinging of the first elastic part around the hinge. The locking part is providedwith an unlocking groove with an unlocking guide surface. The coupling device further comprises an unlocking part sliding on the coupling seat, wherein the unlocking part is provided with an unlocking shaft, the unlocking shaft slides with the unlocking part, and the unlocking guide surface is inclined with respect to the sliding direction of the unlocking shaft; When unlocking, the unlocking member is pushed in the direction of removal and separation of the drawer, and the unlocking shaft is squeezed and slid on the unlocking guide surface to drive the locking tabs to retreat into the coupling seat by mutual interaction. The connecting device has the characteristics of simple and reasonable structure, small and exquisite volume, convenient disassembly and assembly operation, reliable performance and long service life.

The invention discloses a urine sampling cup for inspection. The urine sampling cup comprises an inner cup body and an outer cup body; the inner cup body is provided with a cup cavity with an openingin the upper end; the outer wall surface of the inner cup body is concavely provided with a sliding groove, and the bottom of the sliding groove is closed; the outer cup body is provided with a cup cavity with an opening in the lower end, the outer cup body sleeves the exterior of the inner cup body, the lower end of the inner wall surface of the outer cup body is protrudingly provided with a limit block at a position corresponding to each sliding groove, and each limit block is inserted into one corresponding sliding groove; and the upper part of the outer wall surface of the outer cup body is provided with a urine outlet tube inclined outwards from the top to the bottom, an opening in the upper end of the urine outlet tube communicates with the upper part of the cup cavity of the outer cup body, and when each limit block slides downward to the bottom of one corresponding sliding groove, the upper end of the inner cup body is lower than the opening in the upper end of the urine outlettube. According to the urine sampling cup, after urine is received by the inner cup body, the outer cup body sleeves the exterior of the inner cup body and then is quickly reversed, so that the urinecan be poured into a test tube through the urine outlet tube, a patient only touches the outer cup body without touching the inner cup body in the whole process to ensure the hand hygiene of the patient.

The invention discloses a miller tool holder with a function of conveniently replacing a cutter. The miller tool holder comprises the cutter and a tool holder structure, wherein the cutter is connected with a fixing block arranged in an inner cavity of a tool holder body through a guide frame, under the action of a sliding structure, the cutter is clamped to a clamping structure, and finally, thecutter is fixedly locked through a locking nut. In this way, the cutter replacing speed is increased, manpower and material resources are reduced, and the machining efficiency is improved. The cuttercan be quickly positioned through the guide frame, and the positioning precision is improved; the cutter is subjected to secondary fixing through the locking nut, the situation that the cutter is loosened in use to cause damage to the cutter and the tool holder body is prevented, and the service life of the device is prolonged. Through a pull spring, the distance between an upper L-shaped fixing block and a lower L-shaped fixing block can be adjusted, and the requirements for cutters of different thicknesses can be met; under the action of a third spring, the distance between two fixing framescan be adjusted, the requirements for cutters of different widths can be met, the practicability of the device is improved, and the production cost is reduced.

The invention discloses a low pressure gas seal special screwed joint, and belongs to the field of oil development. The bearing surface angle alpha of the screwed joint is 3-30 degrees, the guiding surface angle beta is 30-45 degrees, the tooth crest (bottom) arc radius R is 0.38-0.42mm, the tooth socket width B1 is 1.3-1.5mm, the tooth ridge width B2 is 1.6-1.8mm, the tooth height is 1.9-2.2mm, and the screw pitch N is 6-8 teeth per inch. The economic gas seal special screwed joint can be quickly screwed on and bear large bending load and tensile load, and completely meets a requirement for economic and high-efficiency development of low pressure low permeability gas field.

The invention relates to the technical field of steel-plastic conversion pipe fittings, in particular to an anti-shearing protective sleeve for a connecting part of a steel-plastic conversion pipe fitting. The protective sleeve comprises a first protective sleeve and a second protective sleeve, wherein the first protective sleeve and the second protective sleeve are both in a hollow semi-cylindrical shape; a first installation part is arranged at the section of the first protective sleeve, and a plurality of first through holes are arranged in the first installation part; a second installationpart corresponding to the first installation part is arranged at the section of the second protective sleeve, a lock catch corresponding to the first through hole is arranged on the second installation part, and the first protective sleeve and the second protective sleeve are buckled to form a protective sleeve body; reinforcing ribs are arranged on the side face of the protective sleeve body, and lock belt grooves are arranged in the two ends of the protective sleeve body. By means of the simple structure, the connecting part of the steel-plastic conversion pipe fitting of a gas conveying pipeline is protected, the damage of land subsidence to the connecting part can be resisted, the damage of other external force to the connecting part is reduced, and the protective sleeve is low in manufacturing cost, rapid and convenient to install and suitable for large-scale popularization.

The invention provides an oil / sleeve pipe threaded connection joint with an air-tight structure. The oil / sleeve pipe threaded connection joint comprises a pipe body with an external thread, wherein a coupling with an internal thread is sleeved outside the pipe body; and the internal thread and the external thread are provided with a guide surface and a negative angle bearing surface. The oil / sleeve pipe threaded connection joint is characterized in that: the angle of the negative angle bearing surface is between -3 degrees and -5 degrees; a conical sealing surface is formed on the end part ofthe pipe body; the conical sealing surface is in clearance fit with the inner wall of the coupling to fulfill the aim of sealing; and the interference length is more than 17.8 millimeters. The invention has the advantages that: the joint has high connecting strength, can be matched with the pipe body at equal strength or higher strength than the pipe body, is suitable for deep wells and ultra-deep wells, is sealed reliably, is suitable for high-pressure gas wells, oil wells and thermal production wells, has high bending resistance, is easy to screw on, can be screwed on rapidly without causing wrong screwing, is suitable for drilling operation in severe environments such as deserts, oceans and the like, has a high anti-sticking performance, can be screwed and unscrewed repeatedly without damaging the screw thread, and has high over torque resistance and high corrosion resistance.

The invention discloses a wire cutting anti-strand device. There are several groups of first connecting arms, and multiple groups of first connecting arms are sequentially connected through first pin shafts and connecting holes to form flexible connecting arms; the first connecting arm at the head end passes through The third pin shaft is movably connected with the first shield, the first connecting arm at the end is provided with a second connecting arm, and the upper side of the second connecting arm is provided with several ratchets; the inside of the first shield is provided with a lock The locking mechanism cooperates with the ratchet teeth on the second connecting arm; one side of the locking mechanism is provided with an unlocking device; the wire cutting and anti-stripping device can be used alone or in combination. In the present invention, a plurality of sets of first connecting arms are provided, and the multiple groups of first connecting arms are sequentially connected through first pin shafts to form flexible connecting arms. The gap increases the contact area between the connecting arm and the wire, and avoids the phenomenon of loose strands of the wire.

The invention relates to a food storage carrying box. The food storage carrying box comprises a box body, at least one seal cover and a handle which are integrally formed. The seal cover comprises a first buckling plate and a second buckling plate which are in central symmetry and are buckled in a crossed manner. The handle comprises a first lifting plate and a second lifting plate which are in apair and are in hasp connection. The first lifting plate is provided with a clamp groove, and the second lifting plate is provided with a buckle sheet which is in inserted and connected fit in the clamp groove. The box body, the seal cover and the handle are integrally formed through a machine, manufacturing is convenient, the input cost is low, and swinging cannot happen during usage.

The invention provides a double-lead petroleum casing pipe threaded connection mechanism and a casing pipe pillar thereof. The double-lead petroleum casing pipe threaded connection mechanism comprisesan inner threaded part and an inner torque circular bead formed at one end of a first tubular part, and an outer threaded part and an outer torque circular bead formed at one end of a second tubularpart, wherein the inner threaded part is provided with an inner thread with a predetermined taper; the inner thread is a double-lead thread and is provided with multiple trapezoidal inner thread teeth; the angles of the guiding surfaces of the inner thread teeth are larger than the angles of the bearing surfaces of the inner thread teeth; the outer threaded part is provided with an outer thread with the taper same as the taper of the inner threaded part; the outer thread is a double-lead thread and is provided with multiple trapezoidal outer thread teeth; and the angles of the guiding surfacesof the outer thread teeth are larger than the angles of the bearing surfaces of the outer thread teeth. According to the double-lead petroleum casing pipe threaded connection mechanism and the casingpipe pillar thereof provided by the invention, the performance is reliable, and fast screwing can be realized, so that the operation efficiency is greatly improved.