33results about How to "Easy to connect and operate" patented technology

The invention discloses an assembled annular rebar buckling anchoring-connection concrete shear wall unilateral floor slab connecting structure which comprises an upper-layer outer wallboard, a lower-layer outer wallboard and a composite floor slab positioned on one side. Each of the upper-layer outer wallboard and the lower-layer outer wallboard is a prefabricated annular reinforced concrete structure, vertical annular rebars are prefabricated inside each prefabricated annular reinforced concrete structure in the vertical direction, upper and lower ends of the vertical annular rebars extend outside upper and lower ends of the outer wallboards, criss-cross annular rebars are prefabricated in the composite floor slab, and two ends of the annular rebars extend to the outer sides of corresponding two ends of the composite floor slab. During connection, the vertical annular rebars reserved at the lower end of the upper-layer outer wallboard and those reserved at the upper end of the lower-layer outer wallboard are mutually overlapped and then overlapped with the annular rebars reserved on one side of the composite floor slab to form a binding frame, longitudinal reinforcing rebars are bound at four corners of the binding frame, and integral pouring is performed to the upper end face of the composite floor slab to form the whole connecting structure.

The invention discloses an environmental-friendly dust removal device. The environmental-friendly dust removal device comprises a rack and an electrical connector, wherein the electrical connector is electrically connected with the rack in a matching way, the rack comprises a left sliding cavity and a right sliding cavity, the left sliding cavity is arranged in the rack, the right sliding cavity communicates with the left sliding cavity, a tooth disc cavity is formed in the rack below the left sliding cavity and the right sliding cavity, a plug pin groove is formed in a middle part of a right end part of the right sliding cavity and communicates with the exterior of the rack, a locking groove is arranged in an upper end part of the plug pin groove and extends upwards, a connection groove is connected between the locking groove above the plug pin groove and the right sliding cavity, and a left sliding block is arranged in the left sliding cavity and can slide upwards and downwards. The environmental-friendly dust removal device is simple in structure, relatively low in production cost and safe and stable in power supply, an electric shock accident in existing life is effectively prevented, the life safety of people is guaranteed, moreover, the power connection operation is relatively convenient, and the application demand of existing power connection is satisfied.

The invention discloses a fire hose fast-operated clamp. The fire hose fast-operated clamp is used for fixedly connecting a fire hose and a fire hose connection buckle. The outer peripheral surface of the fire hose connection buckle is provided with a sealing bulge. The fire hose fast-operated clamp comprises a first block, a second block and two fasteners. The first block and the second block are locked by the two fasteners to form the ring clamp. The inner peripheral surface of the ring clamp is provided with a locking groove matching the sealing bulge of the fire hose connection buckle. The fire hose fast-operated clamp can simplify connection operation on the fire hose and the fire hose connection buckle, can reduce a use cost of a fire hose ring and has strong versatility. The invention also discloses a fire hose ring utilizing the fire hose fast-operated clamp to fasten the fire hose.

The invention provides a biological-information-verification-based router connecting method and apparatus, and a router. The router connecting method comprises: a router connecting request from any terminal is received, wherein the router connecting request includes biological information and a physical address of the terminal; whether the biological information is consistent with predetermined biological information is determined; according to a determination result, whether the terminal is allowed to be connected to the router is determined. According to the technical scheme, router connection verification is carried out based on biological information. Therefore, security of router access is improved, the complex password inputting is avoided, and the router connection operation becomes convenient and rapid, so that the user experience is improved.

The invention discloses an electronic cigarette atomizing device and an electronic cigarette. The electronic cigarette atomizing device comprises an atomizing tube, an atomizing component built in the atomizing tube and a connector for being connected with a battery component. A liquid storage bin is arranged inside the atomizing tube. The bottom of the liquid storage bin is sealed by the inner wall of the atomizing tube and the lateral wall of the atomizing component. A liquid seeping opening for conveying tobacco liquid is formed in the atomizing component. One end of the connector is fixed at the bottom of the atomizing component, and the other end thereof is fixedly connected to the battery component in a mortise and tenon structure manner. The electronic cigarette atomizing device has the advantages that accidents caused by the fact that a user replenishes the tobacco liquid at will can be prevented, and electronic cigarette use safety is increased; the atomizing component is connected with the battery in a mortise and tenon manner, connection is facilitated, and use fault rate is lowered.

The invention discloses a cable joint connecting structure and a connecting method. The disadvantages that a cable joint and a cable conductor are inconvenient for connecting operation, the connectionreliability is bad, and the loose risk is existent are solved. The connecting structure comprises the joint body and the cable conductor; a large-diameter cylinder, a small-diameter cylinder and lugplates are arranged on the joint body; a soldering frame is arranged in the small-diameter cylinder, the soldering frame comprises a base, a plurality of support strips connected to the base; a plurality of axially arranged slots are correspondingly arranged on the inner wall of the small-diameter cylinder and the support strips one by one; the support strips are inserted into the slots in an adapting manner; a plurality of small-diameter soldering slots communicating with the slots are arranged on the outer wall of the small-diameter cylinder, and small-diameter soldering blocks are arrangedin the small-diameter soldering slots; a plurality of inward arched clamping shrapnel is uniformly arranged on the inner wall of the large-diameter cylinder, one end of each inward arched clamping shrapnel is tightly connected with the inner wall of the large-diameter cylinder, the other end movably fits with the inner wall of the large-diameter cylinder; the plurality of large-diameter solderingslots are arranged on an outer wall of the large-diameter cylinder, the large-diameter soldering blocks are arranged in the large-diameter soldering slots, and the cable conductors are inserted into the large-diameter cylinder and the small-diameter cylinder.

The invention discloses a rapid cable joint which comprises a male joint and a female joint. Each of the male joint and the female joint comprises a conductive core wire and an insulating casing, wherein the insulating casing is connected with an insulation layer of a cable, and the conductive core wire is arranged in the insulating casing, and is electrically connected with a cable core via a metal spring. One end of the conductive core wire of the male joint is provided with a connecting hook, and one end of the conductive core wire of the female joint is provided with a connecting hole through which the connecting hook can pass. During use, the male joint and the female joint are connected with ends, to be connected, of the cable respectively, and then the connecting hook of the male joint is buckled into the connecting hole of the female joint to complete rapid cable connection. Connection operation is convenient and rapid, time and labor are saved, and due to the fact that the conductive core wires are electrically connected with the cable core via the metal springs, reliable power supply can be still ensured even if the cable is drawn via an outside force.

The invention relates to a magnetic attraction type hot compress electrode patch. In the magnetic attraction type hot compress electrode patch, a flexible leather slice, a flexible heating slice and aflexible conductive slice are arrayed from bottom to top, the edges of the flexible leather slice, the flexible heating slice and the flexible conductive slice are aligned, and every two adjacent layers are attached to each other; a heating circuit is arranged in the flexible heating slice, and a heating circuit contact or conductive strip is led out of the heating circuit; a conductive layer isarranged in the flexible conductive slice, and an electrode contact is led out of the conductive layer; the heating circuit is insulated from the conductive layer. By changing the material and compound structure of a traditional heating electrode patch, the hot compress electrode patch is light and thin enough and easy to machine and can be easily connected with a controller. The structure of an existing hot compress electrode patch is simplified, the thickness of the existing hot compress electrode patch is effectively reduced, the problem that it is difficult to attach a patch to a joint issolved, and the controller and the patch are more convenient to connect through the magnetic attraction mode.

The invention discloses a cable connecting device, comprising a first joint and a second joint. The first joint comprises a first insulation shell and a first conductive core wire arranged in the first insulation shell. The second joint comprises a second insulation shell and a second conductive core wire arranged in the second insulation shell. The first insulation shell and the second insulation shell are fixedly connected with an insulation layer of a to-be-connected cable. The first conductive core wire and the second conductive core wire are electrically connected with a core wire of the to-be-connected cable. The first conductive core wire and the second conductive core wire are fixedly connected through threads. A plurality of first projections are distributed on an outer surface of the first conductive core wire, and a plurality of second projections are distributed on an outer surface of the second conductive core wire. In use, firstly, the first conductive core wire and the second conductive core wire are connected and fixed, then the first joint and the second joint are connected with an end of the to-be-connected cable, so as to complete rapid connection of cables. According to the invention, the connection is fast and convenient to operate, labor-saving and time-saving.

The invention discloses an auxiliary drainage pipeline connection device for municipal engineering road water supply and drainage. The auxiliary drainage pipeline connection device comprises a base, trundles, a balancing weight, a reinforcing supporting rod, a connecting seat, an adjustable longitudinal rod, an outer sleeve, a straight rod, a positioning hole, a fixing nut, a positioning screw, a longitudinal driving seat, a shell, a servo motor, a screw rod, a movable nut, a guide block, a guide groove, a top seat, a reinforcing rib plate, a protective cover, a controller, a first driving motor, a vertical rod, a first air cylinder, a vertical plate, an arc-shaped strip plate, a plate body, an embedding hole, a baffle ring, a first ball, a through hole, a tooth groove, a guide strip groove, a guide strip, a second air cylinder, a rotating shaft, a round wheel, a cylindrical gear, a connecting shaft, a connecting block, a connecting rod, an inclined rod, a second driving motor, a groove, a second ball, a concave hole and a short shaft. The auxiliary drainage pipeline connection device has the beneficial effects that clamping and lifting operation of a pipeline can be achieved through a pipeline bearing clamp, lifting adjustment of the pipeline can be achieved in cooperation with the lifting effect of a vertical lifting mechanism, and lifting is facilitated.

The invention relates to a primary coil winding structure of a power supply transformer. In the structure, when an input voltage on a primary side is transformed between 220V and 380V, an output voltage on a secondary side is unchanged. A primary coil of the transformer comprises a first winding wire, a second winding wire and a third winding wire, wherein the turn number of the first winding wire is N11, and the first winding wire has a first connecting end and a second connecting end; the turn number of the second winding wire is N12, and the second winding wire has the second connecting end and a third connecting end; the turn number of the third winding wire is N13, and the third winding wire has a fourth connecting end and a fifth connecting end; the turn number N13 of the third winding wire is equal to the turn number N12 of the second winding wire; the ratio of the turn number N11 of the first winding wire to the turn number N12 of the second winding wire is 3: 8; when the input voltage on the primary side of the transformer is 220V, the third and second winding wires are connected in parallel; and when the input voltage on the primary side of the transformer is 380V, the third and second winding wires are connected in series. The winding method of the invention has the advantages of simplicity, winding cost reduction, convenient connection operation, safety and reliability.

The invention relates to an assembling structure of an air conditioner indoor unit electric control box. The assembling structure comprises a square fireproof box, a supporting plate, and wire passingclamping parts arranged on the wall of the fireproof box; multiple clamping holes are symmetrically distributed in the bottom face of the fireproof box along the edge, the supporting plate is arranged in the fireproof box and is provided with a circuit board mounting area used for mounting of a circuit board, multiple clamping parts which extend in the bottom face direction of the fireproof box and are clamped with the clamping holes in a one-to-one corresponding manner and multiple wire hooking clamping parts extending in the opening face direction of the fireproof box are arranged on the edge of the supporting plate, the wire hooking clamping parts are provided with clamping hook parts capable of being bent towards the wall of the fireproof box so as to limit wires in space defined by the wire hooking clamping parts and the wall of the fireproof wall, and the fire passing clamping parts are provided with first wire passing holes allowing wires to penetrate. The safety property is improved, the wires can be fixed in order, connection of the wires and the circuit board is facilitated, and in the transport or moving process, loosening is not prone to happening even if collision happens.

The invention discloses a deep sea thermocline environment oil pipeline cathode protection process simulation device and belongs to the technical field of oil pipeline cathode protection. The simulation device comprises a plurality of pipelines accommodating seawater with different temperatures. Each pipeline is internally provided with a sacrificial anode, a reference electrode and a simulation subsea pipeline used for simulating the oil pipeline. The multiple pipelines are connected in sequence. A sand filter plate is connected between the two adjacent pipelines. The simulation subsea pipelines axially penetrate through the centers of the corresponding sand filter plates. The simulation subsea pipelines are connected with the corresponding sacrificial anodes. Voltage acquisition devicesare electrically connected between the simulation subsea pipelines and the corresponding reference electrodes. The deep sea thermocline environment oil pipeline cathode protection process simulation device can be used for simulating an inhomogeneous medium environment when the simulation subsea pipelines pass through a thermocline to be laid to acquire cathode protection parameters and facilitatessimulation study on the oil and gas pipeline cathode protection process under the deep sea thermocline environment.

The invention provides a fresh air system for an industrial control room. The fresh air system comprises a fixing barrel, a connection ring, an indoor pipe, a thread rod, a connection lug, a nut and acompression ring, wherein the fixing barrel is fixed to a part at the outer side of a ventilation port, of a fresh air machine body; the connection ring is assembled in the fixing barrel; the right end of the connection ring is connected with the indoor pipe; the thread rod is fixed to the right side surface of the fixing barrel; the connection lug is assembled on the annular side surface of thethread rod; the connection lug is fixed to the annular side surface of the compression ring; and the compression ring is bonded onto the right end surface of the connection ring. The design facilitates indoor pipe connection; and the fresh air system provided by the invention is simple in structure, high in adaptability, convenient in indoor pipe connection, and high in reliability.

The invention discloses a keel connector and a preparation method thereof. The keel connector comprises a connecting substrate, a first clamping portion, a second clamping portion, and a second limiting portion; the first clamping portion comprises two clamping plates, the two clamping plates are arranged on a first edge and an edge opposite to the first edge of the connecting substrate, and the two clamping plates are parallelly arranged and perpendicular to the connecting substrate; the second clamping portion comprises a clamping plate arranged on the second edge of the connecting substrate,the second clamping portion is perpendicular to the connecting substrate; the second limiting portion is arranged between the first clamping portion and the second clamping portion; the preparing method comprises the steps thatclampingplateswith clamping groovesare arranged on both the first edge and the edge opposite to the first edge of the connecting plate; the clamping plate on the first edgeand the clamping plate on the edge opposite to the first edge are both bent by 90 degrees to form the first clamping portion; a clamping plate with a clamping groove is arranged on the second edge ofthe connecting plate; and the clamping plate on the second edge is bent by 90 degrees to form the second clamping portion.

The invention provides a deep vertical displacement monitoring point device. The deep vertical displacement monitoring point device comprises a measuring head device and a measuring rod; the measuringrod comprises at least one sub-rod; two axial ends of the sub-rod are respectively provided with an abutting joint hole and an abutting joint platform; the measuring head device is provided with theabutting joint hole or the abutting joint platform; due to matching of the abutting joint hole and the abutting joint platform, connection between the measuring head device and the adjacent sub-rod isrealized; multiple sub-rods are coaxially arranged, and sequentially connected end to end through matching of the abutting joint hole and the abutting joint platform between the adjacent sub-rods; atleast one locking slot is arranged on the inner wall of the abutting joint hole; a displacement locking block matched with the locking slot is arranged on the outer wall of the abutting joint platform; the abutting joint platform is inserted into the abutting joint hole; and furthermore, connection of the two is realized through matching of the displacement locking block and the locking slot. Thedevice in the invention can effectively prevent the monitoring result deviation condition due to a gap between the sub-rods; and in addition, due to arrangement of a sealing part, soil and water in asoil body can be effectively prevented from corroding the interior of the device.

The invention provides a display system comprising a display device which is provided with a first communication port used for receiving a first signal and a second communication port used for receiving a second signal; a Data transmission line having the first connector matched with a first communication port and the second connector matched with the second communication port; the data transmission line is used for being connected with the display data generation equipment and the display equipment through the first connector and the second connector, and if the first connector is connected with the first communication port, the data transmission line processes data output by the display data generation equipment into a first signal, so that the display equipment can display the data based on the first signal; And if the second joint is connected with the second communication port, the data transmission line processes the data output by the display data generation equipment into a second signal, so that the display equipment can display the data based on the second signal. The display system can be connected with display data generation equipment with different ports, and transmission of display data is achieved.

The invention discloses a junction box with a space adjusting function. The junction box disclosed by the present invention comprises a wiring installation mechanism, a wire winding mechanism is fixedly installed on the inner side of the upper end of the wiring installation mechanism, the wire winding mechanism comprises winding rods, a winding arc-shaped groove, a rod piece positioning plate, a connecting bent rod, a sealing partition plate and a wire installation hole; a wire mounting hole is formed in the upper end face of the sealing partition plate, and the seven winding rods are evenly mounted above the sealing partition plate. According to the junction box, redundant wire parts in the junction box are wound in order, disorder and crowding of wires are effectively avoided, the protection effect is good. According to the prior art, when wires are connected and installed in a junction box, redundant parts of the wires are inconvenient to place, the interior of the junction box is crowded, and the wires are inconvenient to arrange. With the junction box adopted, the above problem can be solved.

The invention is applicable to the technical field of circuit connection accessory production, and provides a charger connecting structure. The structure comprises a connector connected with a chargerbody, and a connecting base connected with charged equipment. The connector comprises a plastic body, and the plastic body is provided with two protruding magnetic electrode tips which are respectively connected with a positive electrode and a negative electrode of the charger body. The connecting base comprises a plastic shell, a positive electrode electrifying column and a negative electrode electrifying column, wherein the positive electrode electrifying column and the negative electrode electrifying column are made of iron materials, two counter bores matched with the magnetic electrode tips in position are formed in the plastic shell, and the two electrifying columns are respectively arranged in the two counter bores. The invention further provides a charger and a portable lamp provided with the charger. The portable lamp comprises the charger connecting structure. The charger connecting structure provided by the invention is durable in use, and the connecting operation during charging is simpler and quicker; in addition, dustproof and waterproof functions are achieved, and the use safety is ensured.

The present disclosure relates to a kind of virtual reality glasses, including: a glasses body forming a first surface facing the user's face, and a second surface equipped with an external electronic device for playing virtual reality content; The fastening structure for fastening the external electronic device to the second surface includes: a connector fastener with a built-in connector, and the connector can be connected to the interface of the first end of the external electronic device; The connector fastener can make the connector rotate between the preset maximum inclined opening angle and the horizontal fastening angle, and the connector fastener can be opposite to the outer surface at the horizontal fastening angle. a first end of an electronic device is secured; and at least one device fastener is operable to secure a second end of the external electronic device. Through the technical proposal of the present disclosure, the virtual reality glasses can be assembled conveniently and stably to external electronic equipment.

The invention discloses a preparation method of gypsum boards. The preparation method comprises the following steps of step a, preparing gypsum feed pulp; step b, placing embedded blocks into the gypsum feed pulp according to a pre-set spacing; and step c, performing drying and shaping operation on the gypsum feed pulp and the embedded blocks. The application can be applied to the technical fieldof sheet materials. Through the adoption of the preparation method disclosed by the invention, the defects existing in the prior art can be effectively overcome, the connecting pieces of the gypsum boards can be arranged in an embedding manner, and the structural stability of later connection can be effectively improved.

The invention discloses a rapid pipeline connection device and an implementation method thereof. The rapid pipeline connection device comprises a first direct-plugging type automatic locking rapid connector, a high pressure resistant metal net hose, a pipeline valve and a second direct-plugging type automatic locking rapid connector, wherein the first direct-plugging type automatic locking rapid connector is matched with an upper breakage pipeline with pressure in outer diameter, the high pressure resistant metal net hose can adjust the connection space, and the second direct-plugging type automatic locking rapid connector is matched with a lower breakage pipeline with no pressure in outer diameter. The first direct-plugging type automatic locking rapid connector, the high pressure resistant metal net hose, the pipeline valve and the second direct-plugging type automatic locking rapid connector are connected, the pipeline valve is turned on, the first direct-plugging type automatic locking rapid connector is connected with the upper pipeline with pressure, and the pipeline valve is turned off after the connection; and then the second direct-plugging type automatic locking rapid connector is connected with the lower pipeline with no pressure, and the pipeline valve is turned on after the connection, so that the breakage pipeline with pressure is rapidly connected.

The invention discloses a modular splicing type CT machine room protection and decoration module, and relates to the technical field of CT machine rooms, the modular splicing type CT machine room protection and decoration module comprises a module plate, a rectangular pipe is installed on the back face of the module plate, the two sides of the outer wall of the rectangular pipe are connected with galvanized angle steel, and the galvanized angle steel is connected with the rectangular pipe through hexagonal head self-tapping screws; and an expansion screw penetrates through one side of the interior of the galvanized angle steel, gap metal plate strips are installed at gaps between the module plates, clamping grooves and connecting strips are formed in the inner sides of the gap metal plate strips, the connecting strips penetrate through the inner sides of the rectangular pipes, and the rectangular pipes are connected through hinges. According to the CT machine room protection and decoration device, when a corner of an installation area is encountered, the rectangular pipe is manually rotated around the hinge, so that when the module plate and the rectangular pipe are connected, the reserved space is enlarged, and the situation that stainless steel self-tapping screws are inconvenient to install is not likely to occur, and therefore the installation progress of the CT machine room protection and decoration work is effectively accelerated.

The invention discloses an operation joint capable of being installed on an insulating rod. The operation joint comprises a base, a vertical rod and a cross rod, a first connecting cylinder is fixed below the base, and the lower part of the first connecting cylinder is connected with a second connecting cylinder. A third connecting cylinder is mounted below the second connecting cylinder, the vertical rods are installed at the left side and the right side of the upper portion of the base correspondingly, and the outer side of the top end of the vertical rod is connected with an angle adjustingassembly. The cross rod is mounted at one side, far away from the vertical rod, of the angle adjusting assembly, the angle adjusting assembly comprises a fixed rod, a sleeve plate, clamping blocks and clamping grooves, and the sleeve plate sleeves the fixed rod. The clamping blocks are evenly fixed to the outer edge at the right side of the sleeve plate, the clamping grooves are formed at the outer sides of the clamping blocks, sliding grooves are formed on the inner walls at the left side and the right side of the first connecting cylinder, and the sliding blocks are arranged in the slidinggrooves. The operation joint capable of being installed on the insulating rod can be fixedly connected with three insulating operating rods with different diameters, so that the application range of the whole operation joint is greatly expanded.

The invention discloses a cable connector comprising a first connector and a second connector. The first connector includes a first insulating shell and a first conductive core wire arranged in the first insulating shell. The second connector includes a second insulating shell and a second conductive core wire arranged in the second insulating shell. The first insulating shell and the second insulating shell are respectively and fixedly connected with insulating layers of cables to be connected, and the first conductive core wire and the second conductive core wire are respectively and electrically connected with core wires of the cables to be connected. The side wall of the first conductive core wire is equipped with a first buckling tooth, the side wall of the second conductive core wire is equipped with a second buckling tooth, and the first buckling tooth and the second buckling tooth are meshed with each other and are fastened to each other by an elastic sealing ring which sleeves the meshing part. By adopting the cable connector of the invention, cables can be connected quickly, and connection operation is convenient and quick, and time-saving and labor-saving.

The invention discloses a building water supply and drainage pipeline convenient to install and a use method. The building water supply and drainage pipeline comprises a first mounting pipeline and a second mounting pipeline, a mounting groove is formed in the outer side of the bottom end of the first mounting pipeline, and a plurality of elastic rods are arranged on the inner side wall of the top end of the second mounting pipeline. The top end of the second mounting pipeline sleeves the outer side of the bottom end of the first mounting pipeline, and the bottom ends of elastic rods are embedded in the mounting groove. The use method of the building water supply and drainage pipeline comprises the following steps that S1, first expansion bolt holes are drilled; S2, the first mounting pipeline is fixed through first expansion bolts; S3, the top end of the second mounting pipeline sleeves the outer side of the bottom end of the first mounting pipeline; S4, the bottom ends of the elastic rods are inserted into the mounting groove; S5, a reinforcing sleeve is rotated; S6, second expansion bolt holes are drilled; S7, the second mounting pipeline is fixed through second expansion bolts; and S8, sealant is smeared at the upper end and the lower end of the reinforcing sleeve, and mounting operation of the building water supply and drainage pipeline is completed.

The invention discloses an air conditioner panel installing structure. The air conditioner panel installing structure comprises an air conditioner indoor unit body, a glass panel and an injection molding plate. The injection molding plate is fixedly arranged on the inner side of the glass panel and connects the air conditioner indoor unit body with the glass panel. A plurality of hooks are arranged on the injection molding plate. A plurality of hook grooves corresponding to the hooks are formed in a front end panel of the air conditioner indoor unit body. All the hooks are hooked in the corresponding hook grooves. By the adoption of the air conditioner panel installing structure, the glass panel is connected with the air conditioner indoor unit body by the cooperation of the hooks and the hook grooves, the phenomenon that the glass panel inclines in an original design scheme is effectively avoided, the installing structure is simple, easy to assemble and convenient to use, the accuracy requirement is reduced, and high cost caused by the high failure rate in the original scheme is reduced.

The invention provides a novel fluid pipeline adapter substitute. The fluid pipeline adapter substitute comprises an adapter substitute nut, an adapter substitute core, and a connecting pipe connected at one end of the adapter substitute core, wherein the other end of the adapter substitute core connected with the connecting pipe is provided with a gasket; the inner ring threads of the adapter substitute nut are provided with an air guide groove; the cross section of the air guide groove is in an inverted V shape; the other end of the adapter substitute core connected with the connecting pipe is also provided with a bell; and the gasket can be embedded into the bell. The pressure can be released from the air guide groove and cannot burst out suddenly and cause safety accidents when the air guide groove of the fluid pipeline adapter substitute is disassembled from the adapter substitute. The adapter substitute core transforms vibration force to a stainless steel core by using a form of a high-quality stainless steel material and a red copper sealing gasket, so that the problem that pipelines are broken due to vibration is solved. The copper gasket for sealing is embedded into the adapter substitute core, has the same conical surface as the adapter substitute core, is embedded into the groove and is not easy to drop out. In addition, the red copper gasket is softer than the stainless steel material and is matched with the stainless steel material for making sealing easier.

The invention relates to the field of camera equipment, in particular to a camera convenient for wireless connection. The camera comprises a pedestal, a tray, a camera main body and a camera. A secondrotating block is embedded at the top of the pedestal, and the top of the second rotating block is fixedly connected with a fixed block. The tray is arranged at the top of the fixed block, and the tray and the fixing block are rotationally connected through a first rotating block. The camera main body is arranged in the tray, and the base surface of the camera main body is provided with a QR code. One side of the camera main body is provided with a TF card slot and a charging interface, and the camera is arranged on the base surface of the camera main body, wherein the camera and the camera main body are fixedly connected through a connecting block, the base surface of the camera is provided with a toughened glass lens, the camera is internally provided with an RGB night vision lamp, a high-definition lens and an electric quantity indicating lamp. The whole camera is simple in structure and convenient for wireless connection, and has a certain popularization effect.

The invention relates to an extrusion runner improved structure of a plastic extruder. The extrusion runner improved structure comprises a first connection part, a runner body, a first elbow, a secondelbow and a second connection part, and is characterized in that the first connection part is connected with the runner body by virtue of a clamping block and a bolt, the other end of the runner bodyis connected with the first elbow in a threading manner, the first elbow is connected with a first flange in a threading manner, the second elbow is connected with a second flange in a threading manner, the first flange and the second flange are fixedly connected by virtue of a tightening screw, the other end of the second elbow is connected with the second connection part in a threading manner,a bending angle of the first elbow and second elbow is separately greater than 90 degrees, and a continuous smooth transitional material runner is formed in an inner cavity of the first elbow and second elbow. The extrusion runner improved structure of the plastic extruder has the advantages that the inner cavity of the extrusion runner can form the continuous smooth transitional material runner,the phenomenon such as dead corner stagnation, insufficient material supply or residue of the material can be avoided; and the material extrusion amount is increased, and the resistance applied to thematerial in the extrusion process can be reduced. The extrusion amount and processing demand for the wide-amplitude film production can be satisfied, and the production efficiency can be improved.