26results about How to "Reliable connection" patented technology

The utility model relates to the field of lighting lamps, and provides a track lamp. The track lamp comprises a base, and a first containing part is formed on the base; the rotating body is detachably mounted on the base, and a second accommodating part is formed on the rotating body; the terminal assembly is mounted on the rotating body; the rotating shaft assembly is suitable for being mounted in the first accommodating part and the second accommodating part under the condition that the rotating body is mounted on the base; and the track is used for installing the track lamp, the track is detachably installed on the side, away from the second containing part, of the rotating body, and under the condition that the track is installed on the rotating body, the wiring terminals in the terminal assembly make contact with the conductive strips in the track. The track lamp can meet different lighting requirements, and the use scene and the decoration effect are enriched. In addition, the installation process can be simplified, rapid electrical connection between the terminal assembly and the track is achieved, the connection mode is stable and reliable, and the safety of the track lamp in the using process can be guaranteed.

The invention belongs to the technical field of concrete beam column structures, and particularly relates to a beam column structure locally internally provided with thin-wall steel pipes and a mounting method of the beam column structure. By reasonably arranging the internally-arranged steel pipes and the reinforcing steel bars, the effects of reducing the dead weight of the structure and improving the bearing capacity are achieved. Due to the application of the steel pipe, the bending resistance and the shearing resistance of the concrete member are enhanced, and generation and expansion of cracks are effectively delayed. In addition, as the steel pipe has high strength and rigidity, the structure can still keep stable under the condition of high load, and is particularly suitable for occasions needing high bearing capacity, such as bridges and buildings. The stress characteristics of beam column components are fully considered, and a novel design method for internally-arranged steel pipe concrete is provided. Through detailed analysis of construction details and working principles, professional technicians can implement the method according to description, so that the safety and economical efficiency of an engineering structure are effectively improved. The shear resistance, the bending resistance and the overall stability of the structure are improved.

The utility model relates to a connecting component for connecting different square tubes, which comprises a lantern ring piece sleeved on a thin square tube, and the lantern ring piece is connected with the front end or the rear end of a thick square tube; during use, the thick square tube and the thin square tube are connected and fixed together through the lantern ring piece. The lantern ring piece is provided with a plurality of first connecting holes used for being connected with the thick square pipes, the thick square pipes are provided with second connecting holes corresponding to the first connecting holes, and the first connecting holes are connected with the second connecting holes through connecting pieces. At least one first connecting hole is located in the top of the lantern ring piece, and at least one first connecting hole is located in the bottom of the lantern ring piece. The first connecting holes and the second connecting holes are pin holes, the connecting pieces are pins corresponding to the pin holes, and therefore the thick square pipe and the thin square pipe are hinged. The connecting mode provided by the product is efficient and reliable, installation is convenient, the existing problem that square tubes made of metal and other materials must be connected through welding is solved, and meanwhile the problem that stress is generated due to temperature change between the cross beam and the stand column which are matched with the square tubes is solved.

The utility model relates to the technical field of building materials, and provides a concrete precast slab, which comprises a device main body and a built-in mechanism and is provided with a buckle, so that a firmer connection mode can be provided, the connection between the concrete precast slabs is more stable and reliable, the stability and the safety of the whole structure are improved, and the service life of the concrete precast slab is prolonged. By means of the design of the buckles, the installation process of the prefabricated slab is simpler and more convenient, construction time and labor cost are saved, the concrete prefabricated slab and a structure below the concrete prefabricated slab can be protected against water damage by arranging the waterproof layer, the heat preservation layer and the sound insulation layer, and the heat preservation layer can prevent heat transmission, reduce energy loss and improve energy benefits of a building. A comfortable indoor temperature can be kept, dependence on a heating and air conditioning system is reduced, the sound insulation layer can absorb, reflect or stop propagation of sound waves, and a better indoor acoustic environment is provided. The indoor and outdoor noise interference can be reduced, and the living and working comfort is improved.

The utility model provides a rotary shower device, which relates to the technical field of bathroom products and comprises a water distribution body, a first water outlet component and a second water outlet component, the first water outlet component and the second water outlet component are connected with the water distribution body, the water distribution body is provided with a water inlet, a first water outlet and a second water outlet, and a switching valve coaxial with the water distribution body is arranged in the water distribution body. A handle connected with the switching valve is arranged at the front end of the water distribution body, and one water outlet is selected to be communicated with the water inlet by rotating or pressing the handle; the first water outlet assembly comprises a first shower head and a swing arm connected with the first shower head, and the swing arm is rotationally connected with the water distribution body and provided with a first flow channel used for being communicated with the first water outlet. The second water outlet assembly comprises a second shower head, and the second shower head is communicated with the second water outlet. The angle of the first shower head is adjustable, and the problem that an existing shower device is single in shower mode can be solved.

The utility model relates to the field of building decoration, in particular to a connecting component for connecting angle steel and a steel square tube, which comprises a connecting piece, the connecting piece is detachably connected with the top surface and the left side surface of the angle steel, and the front end or the rear end of the connecting piece is connected with the front side surface or the rear side surface of the steel square tube; during use, the steel square tube and the angle steel are connected together through the connecting piece. The product is simple in structure and convenient to operate, assemble, disassemble and maintain, the special connecting pieces made of aluminum alloy and the steel pins are adopted for achieving hinged connection of the angle steel and the steel square pipe, the connecting mode provided by the product is efficient and reliable, and installation is convenient; the product solves the problem that the angle steel and the steel square tube must be connected by welding, and also solves the problem that stress is generated between the cross beam and the stand column due to temperature change. The product is simple and convenient to operate, safe and reliable, replaces the existing welding connection mode with heavy problems, and improves the work efficiency and the construction quality.

The utility model relates to the field of temperature controllers, and discloses a temperature controller with a multi-stage circuit protection function, which comprises a base and a base, an L-pole conductive column is connected onto the base, a socket is connected to the bottom end of the L-pole conductive column, a buckle is arranged on the socket, a clamping block is connected onto the buckle, a plug is connected onto the socket, and the plug is connected with a power supply. The plug is connected with a sheet-shaped bimetallic strip, the sheet-shaped bimetallic strip is connected with an L-pole terminal, the base is connected with an N-pole conductive plate, the N-pole conductive plate is connected with an N-pole action reed, the N-pole action reed is connected with an N-pole terminal, a fixed plate is arranged above the base, the fixed plate is provided with a bimetallic strip, and the bimetallic strip is connected with a metal wire. The bimetallic sheet is connected with a push rod, and the fixed plate is connected with a fuse. According to the utility model, through the connection between the L-pole conductive column and the socket, the connection between the plug and the sheet-shaped bimetallic strip and the like, and the connection between the N-pole conductive plate and the N-pole action reed and the like, each part can be disassembled, replaced and maintained.

The invention discloses a surveying and mapping device for landform surveying and mapping, and relates to the technical field of landform surveying and mapping, in particular to a surveying and mapping device for landform surveying and mapping, which comprises a base, a top plate is arranged at the top of the base, hydraulic cylinders are in threaded connection with the left and right sides of the top of the top plate, and fixing plates are inserted into the top ends of the hydraulic cylinders; a first rotating mechanism is clamped in the fixing plate, a protection frame is connected to the opposite side of the first rotating mechanism in an adsorption mode, clamping mechanisms are connected to the left side and the right side of the inner wall of the protection frame in a threaded mode, a laser surveying instrument is clamped to the opposite sides of the clamping mechanisms, and a second rotating mechanism is connected to the middle of the bottom of the protection frame in an adsorption mode. The outer wall of the second rotating mechanism is rotationally connected with an adjusting mechanism. According to the surveying and mapping device for landform surveying and mapping, the pitching view angle of the laser surveying and mapping instrument can be adjusted through the first rotating mechanism, the height of the laser surveying and mapping instrument can be adjusted through the adjusting mechanism, and the horizontal view angle of the laser surveying and mapping instrument can be accurately adjusted through the second rotating mechanism.

The compartment structure comprises a compartment and an equipment buffer box arranged in the compartment, a vibration reduction base is further arranged in the compartment, the vibration reduction base is fixedly connected to the inner bottom wall of the compartment, and two sets of matrix springs are arranged on the upper end face of the vibration reduction base; the number of the stand columns is four, and the stand columns are vertically distributed at all corners of the equipment buffer box; one end of the catenary is fixed on the inner top wall of the carriage, and the other end of the catenary is divided into two strands which are respectively connected to two sides of the top wall of the equipment buffer box to buffer lateral inertia force. The damping device is compact and reasonable in structure and convenient to operate, all-directional absorption and dispersion of vibration in the running process of a vehicle are achieved through the synergistic effect of multiple buffering structures and the well-designed damping assembly, safe and stable operation of vehicle-mounted instruments is effectively protected, and the service life of the vehicle-mounted instruments is prolonged. The all-directional vibration reduction compartment structure is excellent in vibration reduction effect, flexibility, stability and the like, and has wide application prospects and popularization value.

The application relates to a prefabricated assembly type frame beam structure capable of being quickly assembled, which comprises a frame beam structure body, the frame beam structure body comprises a plurality of frame beams, each frame beam comprises a plurality of first beams, the first beams are arranged at intervals between two adjacent first beams and extend along a first direction, and a plurality of second beams, the second beams are arranged at intervals between two adjacent second beams and extend along a second direction, and an anchor rod hole is arranged at the joint of the first beam and the second beam; a positioning column is arranged at one end of the first beam and the second beam along the length direction; a clamping block is arranged at the other end of the first beam and the second beam along the length direction, the clamping block is provided with a limiting hole, the clamping block is sleeved with the positioning column through the limiting hole, and two adjacent frame beams are connected through the positioning column and the clamping block; a self-locking device is arranged at the upper portion of the positioning column, and the self-locking device can limit the relative movement of the positioning column and the clamping block after the clamping block is sleeved with the positioning column; and the frame beam structure body can improve the assembly efficiency.

The utility model relates to the technical field of side protection loading tests, in particular to a side protection loading test device for a hydraulic support test bed, which comprises a main body part, a flitch is arranged above the main body part, the other side of the flitch is fixed with a top beam of the test bed, and a plurality of groups of connecting lug plates are fixed on one side surface of the flitch. Two hinge holes are formed in each set of connecting lug plates, one side face of the main body part is hinged to the connecting lug plates by arranging first hinge shafts in the hinge holes, an auxiliary connecting part is hinged to the lower end of the other side face of the main body part, and a T-shaped groove lug plate is hinged to the other end of the auxiliary connecting part. The device has the advantages of being simple in structure, high in test strength and reliable in fixed connection mode.

The utility model relates to the field of gas electricity fast insertion, specifically discloses a kind of coupler device applied to gas electricity fast insertion wireless communication and power supply, including coupling module one and coupling module two, coupling module one and coupling module two can be mutually assembled, and wireless communication and wireless power supply are carried out between coupling module one and coupling module two assembled together;Avoid the circuit failure problem caused by the problems such as pin corrosion, pollution, distortion when pin connection;Realized quick connection, mute, beautiful, stable and reliable connection mode, with 60GHz V band transceiver. Gigabit ethernet short-range non-contact connection. Full duplex, horizontal transmission, control automatic negotiation. Used in pairs, no contact therefore no wear and tear and maintenance.

The utility model relates to the technical field of grinding wheels, and discloses a combined type detachable pneumatic grinding wheel which comprises a grinding plate, a hub is sleeved on the outer ring of the axis of the outer side wall of the grinding plate, a central mechanism is connected to the inner side of the axis of the side wall of the hub in a penetrating mode, and a series connection mechanism is connected to the inner ring of the central mechanism in a penetrating mode. A protective ring is connected between the center mechanism and the side wall of the hub in a sleeved mode, and a chip groove and a grinding tool are fixedly connected to the side, away from the hub, of the grinding plate. The side wall of the series connection mechanism can penetrate through the inner ring of the center mechanism, is blocked at the inlet and is buckled on the center mechanism, then penetrates through the inner ring of a hub and the like and is spirally connected with the buckling mechanism on the rear side of the grinding plate, the connection mode is reliable in fastening and very convenient to mount and dismount, and after connection and fastening, the side wall of the buckling mechanism is pushed to the protective ring, so that the grinding plate is prevented from being damaged. And the inner side structure is embedded into the retention mechanism, so that the stability of equipment can be effectively improved, and the internal structure can be prevented from being loosened due to power inertia during rotation of the grinding wheel in the operation process.

The invention discloses a top-blowing type energy-saving fan with a waterproof structure, which is characterized in that a fan blade embedding groove is formed in a fixed circular plate, arc-shaped fan blades are arranged in the fan blade embedding groove in a penetrating manner, the end parts of the arc-shaped fan blades respectively extend out of the fan blade embedding groove to the outer side wall of the fixed circular plate, and a plurality of drainage grooves are radially formed in the outer side wall of the fixed circular plate; the cylindrical part is arranged on the rotating shaft in a sleeving mode and tightly attached to the outer side wall of the fixed circular plate, the rotating shaft is rotationally arranged on the fan support, and rain covers are installed at the two ends of the fan support respectively. The arc-shaped fan blades are arranged in the fan blade embedding grooves in a penetrating mode, and the ends of the arc-shaped fan blades extend out of the fan blade embedding grooves to the outer side wall of the fixed circular plate. The multiple drainage grooves are formed in the outer side wall of the fixed circular plate in a radial mode, accumulated water can be guided to the ends of the arc-shaped fan blades when the fixed circular plate rotates, the accumulated water is drained away through the arc-shaped fan blades rotating at a high speed, the rain cover can effectively prevent rainwater and the like from invading a core driving part of the draught fan, and the service life of the draught fan is prolonged.

The present invention discloses a frame infill wall structure system with a sliding groove limit connection, comprising a rectangular frame and an infill wall, wherein an upper frame beam is pre-connected with an upper connecting steel plate, and a lower frame beam is pre-connected with a lower connecting steel plate. Vertical structural steel bars are arranged in the infill wall, and a wall embedded steel plate is welded to the top of the vertical structural steel bars, and the bottom of the vertical structural steel bars is welded to the lower connecting steel plate, thereby connecting the bottom of the infill wall to the lower frame beam. A sliding connector is arranged between the top of the infill wall and the bottom of the upper frame beam, and the sliding connector comprises a slide rail and a slider, and the slider is welded to the upper connecting steel plate, thereby connecting the slider to the upper frame beam, and the slide rail is welded to the wall embedded steel plate, thereby connecting the top of the infill wall to the bottom of the upper frame beam. The infill wall and the concrete frame of the system can ensure out-of-plane stability while ensuring coordinated deformation in the in-plane direction, and have good seismic performance and are easy to construct.

The utility model discloses a shutter, which belongs to the technical field of nuclear power air supply equipment and comprises a panel and shutter units. Flame-retardant sealant is arranged between the panels and the shutter units, and each panel comprises a plurality of shutter units. Each shutter comprises a rotating body and a flange frame, the rotating body can axially rotate relative to the flange frame, and a plurality of blades capable of independently rotating are arranged on each rotating body. The connection mode is reliable, various performance requirements of the nuclear power station can be met, and relevant object falling events caused by the louver blades can be effectively avoided.

The utility model discloses a kind of heating air bag and massage device, heating air bag includes air bag main body and heating sheet, air bag main body forms the cavity of can accommodate gas;Heating sheet is located in the cavity of air bag main body, and heating sheet is equipped with conducting wire, conducting wire is sealingly connected to air bag main body, and the end of conducting wire away from heating sheet is located outside the air bag main body;The heating sheet at least in the air bag main body inflation state is attached or touches on the inner surface of the cavity.This utility model's air bag main body appearance has no heating sheet, make overall appearance more simple, beautiful, and reduce user's body feeling foreign body sensation, also make air bag main body easy to wash clean.In addition, the heating sheet of this utility model is attached or touches on the inner surface of the cavity at least in the air bag main body inflation state, so that heating sheet can quickly conduct heat to air bag main body in heating state, so as to be able to carry out quick hot compress massage to the part that user needs to massage.

The utility model relates to the technical field of PCBs (Printed Circuit Board), and discloses a laminated PCB, which comprises positioning columns which are symmetrically arranged, positioning pins and positioning grooves which are matched with each other, and a magnetic attraction block attraction piece, and realizes rapid and accurate combination and disassembly between PCB main bodies. The attraction piece can be an electromagnet or an iron ring, the connection strength is controlled through a power source, meanwhile, the flexibility of fixing and positioning is further enhanced through the telescopic threaded sleeve piece and the clamping assembly, clamping grooves are formed in the inner sides of clamping jaws of the clamping assembly, and the clamping grooves are arranged in a trapezoidal opening mode. Chamfers are arranged on the inner sides of the ends, away from the sliding rods, of the clamping jaws. According to the PCB clamping device, the clamping grooves are arranged in a trapezoidal opening mode, the gradually-changed opening design is formed, and therefore the PCB clamping device can be suitable for clamping PCBs of different thicknesses, maintenance of the PCBs is simplified, the size is reduced, the space utilization rate is increased, any combination is allowed, and the PCB clamping device is suitable for various installation spaces.

The present invention provides a device and installation method for hoisting precast beams for inclined roofs of assembled concrete structures, which belongs to the field of building construction technology, and is used to solve the safety problem in the process of hoisting precast beams for inclined roofs in the existing assembled construction method. It fixes the angle steel support plate on the top side of the precast column through embedded sleeves and high-strength bolts, and uses this as a temporary placement point for the precast beam, thereby solving the safety problem in the process of hoisting precast beams for inclined roofs of existing precast assembled concrete structures and improving construction safety. In addition, according to the actual situation of the project, a support component is added to the main reinforcement on the outer side of the precast column to temporarily support the center of the precast beam to prevent the precast beam from falling. This installation method can resist the risk of falling when the inclined roof precast beam is hoisted without destroying the original structural system, and provides favorable conditions for the hoisting construction of the inclined roof precast beam on the steel pipe formwork rack, thereby achieving the purpose of safe production in construction.

This invention belongs to the field of HVAC technology and discloses an air purification device for HVAC systems, comprising: a chassis with an air outlet at the top; and a disassembly / assembly mechanism located inside the chassis. This invention achieves convenient disassembly and assembly of the filter screen through the design of the disassembly / assembly mechanism, improving the ease of device maintenance. Operators only need to pull the lever to release the overall fixation of the filter screen. Simultaneously, during the installation and resetting process, the elastic force of the first spring drives the insert block to automatically engage with the pre-reserved slot on the square rod, achieving rapid fixation of the filter screen. This effectively shortens the time required for filter screen cleaning or replacement, reduces the professional requirements for operators, and allows ordinary users to complete the operation independently. It significantly reduces the manpower and time costs associated with batch disassembly and assembly of filter screens, avoids component damage problems such as stripped bolts and broken clips in traditional disassembly / assembly methods, and improves equipment maintenance efficiency and service life.

The utility model discloses a magnetic connection structure and an earphone, the magnetic connection structure comprises a first connecting piece and a second connecting piece, the first connecting piece is provided with a first magnetic piece, the second connecting piece is provided with a second magnetic piece, and the first magnetic piece is in magnetic connection with the second magnetic piece. First teeth and second teeth which are meshed with each other are respectively arranged on the first connecting piece and the second connecting piece around the first magnetic attraction piece and the second magnetic attraction piece; the first connecting piece and the second connecting piece are stably connected through magnetic attraction force, the connecting mode is simple, reliable and convenient, accurate alignment can be achieved, the connecting precision and stability are improved, meanwhile, tooth meshing can bear shear force and torsional force to a certain degree, and the bearing capacity of connection is enhanced; the earphone main body and the hanging piece of the earphone are detachably and rotatably connected through the magnetic attraction connecting structure, the included angle between the earphone main body and the hanging piece can be conveniently adjusted so as to be suitable for different users, and meanwhile the hanging piece and the earphone main body can be conveniently replaced.

The prefabricated shear wall connecting structure is used for connecting two wallboards and comprises a first cavity, a second cavity, a third cavity and a fourth cavity, the first cavity vertically penetrates through the wallboards, and first grooves are formed in the four corners in the first cavity; the first connecting rib vertically penetrates through the first cavity and is embedded into the first groove; the limiting assembly is used for determining the distance between the two opposite first connecting ribs; and the sleeves are used for vertically and collinearly connecting the corresponding first connecting ribs in the upper wallboard and the lower wallboard. According to the utility model, after the fixed point positions of the plurality of groups of first connecting ribs are arranged, the wallboards are sleeved on the first connecting ribs by virtue of the first cavities and are kept embedded into the first grooves under the limitation of the limiting components, then the other group of first connecting ribs are extended by virtue of the sleeves, and then the other wallboards are also sleeved on the first connecting ribs according to the same steps, the concrete is subsequently poured in the first cavity, the effective section of the concrete structure of the wallboard can be fully utilized, and the stability of the wallboard is guaranteed.

The utility model discloses a reply device of a pneumatic actuator, which comprises a shell, a cavity is arranged in the shell, a cam shaft is rotatably connected in the cavity, the bottom of the cam shaft penetrates through the shell and extends to the lower side of the shell, an opening cam and a closing cam are mounted on the upper side of the cam shaft, and the cam shaft is further provided with a clamp spring ring on the lower side of the closing cam. A position feedback integrated wiring board is installed at the bottom of the inner side of the cavity, an opening position microswitch and a closing position microswitch are installed on the position feedback integrated wiring board, the opening position microswitch is provided with an opening position contact, the opening position contact is matched with the opening position cam in a contact mode, the closing position microswitch is provided with a closing position contact, and the closing position contact is matched with the closing position cam in a contact mode. According to the utility model, the connecting parts are connected by adopting the plug-in connector instead of the old spot welding connection, so that the plug-in connector can be connected more conveniently in a more complicated environment, the other problems caused by disconnection or temperature difference cannot be generated, and a more reliable and efficient connecting way is achieved.

The utility model discloses a high-bearing-capacity chain link type annular conveying system which comprises a rack, an upper sliding rail and a lower sliding rail which are arranged in parallel are arranged on the rack, semicircular blocks abutting against the upper sliding rail and the lower sliding rail are arranged at one ends of the upper sliding rail and the lower sliding rail, driving blocks are arranged at the other ends of the upper sliding rail and the lower sliding rail, and the driving blocks, the semicircular blocks, the upper sliding rail and the lower sliding rail are each provided with a cam groove. The cam grooves are matched to form a circular ring; a transmission chain is wound between the driving block and the semicircular block, the transmission chain is driven by the driving block to rotate, a group of cams are arranged at the bottom of the transmission chain, and at least part of the cams are arranged in the cam grooves; the top of the transmission chain is provided with a set of carrying seats used for carrying workpieces. The device has the advantages that when the driving motor drives the driving block to rotate, the driving groove stirs the bearing to move, so that the transmission chain is driven to move on the driving block, the semicircular block, the upper sliding rail and the lower sliding rail, the device is stable and reliable in connection mode, safety is greatly improved, the service life of the device is prolonged, and batch production is facilitated.