119results about How to "Easy to assemble and fix" patented technology

The invention discloses a shockproof distribution box, comprising a cabinet, a first spring and an insulating plate, wherein the bottom of the cabinet is provided with a cabinet seat; engagement slotsare formed on both sides of the bottom of the cabinet seat; an engagement board is connected in the engagement slots; a side surface of the engagement board is provided with a sleeve; a threaded rodpasses through the sleeve; the threaded rod is connected with a nut close to the top of the sleeve; the threaded rod is connected with a cushion pad close to the bottom the sleeve; the first spring sleeves the threaded rod close to the bottom of the cushion pad; the threaded rod and the first spring are connected in a base through a first cylindrical groove. The shockproof distribution box is provided with the sleeve. When the position of the distribution box is vibrated, the first spring below the cushion pad and a second spring below a first groove are squeezed and contracted, so that the first spring damps the four corners of the cabinet seat through the sleeve above the cushion pad so as to damp the distribution box.

The invention discloses a built-in type panoramic sunroof roller shutter structural assembly. The built-in type panoramic sunroof roller shutter structural assembly comprises roller shutter bases and a roller shutter assembly. The roller shutter assembly comprises a roller shutter rotating shaft, a roller shutter drum and a roller shutter. The roller shutter drum is rotationally arranged on the roller shutter rotating shaft in a sleeving mode. The roller shutter rotating shaft is provided with a torsion spring in a sleeved mode. One end of the torsion spring and the roller shutter rotating shaft are fixed. The other end of the torsion spring and the roller shutter drum are fixed. One end edge of the roller shutter is arranged on the roller shutter drum in a winding mode. The other end edge of the roller shutter is arranged in a roller shutter clamping strip in a clamped mode. The number of the roller shutter bases is two. The roller shutter bases are correspondingly located at the two ends of the roller shutter rotating shaft. Rotating holes which are fixedly matched with the ends of the rotating shaft are formed in the inner side walls of the roller shutter bases. According to the built-in type panoramic sunroof roller shutter structural assembly, the structural design is reasonable, assembly, matching and fixing are convenient, using and operation are flexible and convenient, and the practical value of a sunroof is further improved.

The invention provides an antistatic elastic piece, which includes a first conducting part and a pair of second conducting parts. The first conducting part has at least one first protrusion structure. The pair of second conducting parts are respectively connected to both sides of the first conducting part, and each second conducting part further has a second conducting part and a pressing part. The second conducting member has a second protrusion structure. The pressing part is arranged on one side of the second conducting part. In another embodiment, the present invention further provides an antistatic device, which is to arrange the antistatic shrapnel on a housing with an opening, and use the antistatic shrapnel as a means of closing the opening. An electrostatic conduction medium between the cover plate and the housing.

The invention provides a tube electrode electroslag welding mould device applicable to steel rails. The tube electrode electroslag welding mould device comprises a mould fixing assembly (1), a mould assembly (2) and a cooling circulation assembly (3), and is characterized in that the mould fixing assembly (1) is fixed on a rail head of a to-be-welded steel rail (4); the mould assembly (2) is arranged on the middle part of the mould fixing assembly (1); and the cooling circulation assembly (3) is arranged in the mould assembly (2). The equipment is mainly a copper mould which is approximate toan I-steel shape, can be opened and closed simply and conveniently, can be used repeatedly, is convenient to assemble and fix and can realize water circular cooling; one-step continuous welding moulding of a steel rail whole section can be realized; the tube electrode electroslag welding mould device can be used for high-speed railways, interurban railways, subways, workshop gantry crane rails andthe like; the tube electrode electroslag welding mould device can be used flexibly; production cost is lowered; and working efficiency is improved.

The invention relates to a pipe fitting structure. The pipe fitting structure comprises at least one first connecting pipe, and a second connecting pipe which is sleeved with the first connecting pipe; the first connecting pipe is provided with a first matching surface; a second fitting part opposite to the first fitting surface is arranged on the second connecting tube; at least one first interference fit area, a first transition fitting area, a first gap fitting area, a second transition fitting area, a second interference fit area, a third transition fitting area, a second gap fitting area and a fourth transition fitting area are sequentially circumferentially formed on the first fitting surface; at least one extrusion part and a second extrusion part which are in match with the first fitting surface are formed on two top point parts with the largest distance on the second fitting part; the second extrusion part is positioned in the first interference fit area; the second extrusion part is positioned in the second interference fit area. The pipe fitting structure can be clamped by two-way rotating, so that the assembling and fixing are convenient; the structure is simple; a locking buckle device is saved, so that the production cost is reduced.

The invention discloses a coke oven top plate pipe laid assembled type fixing rack which comprises a plurality of pre-laid bar dowels, a plurality of longitudinal horizontal tubes, a plurality of transverse horizontal tubes, a plurality of lower laid ejection tubes, a plurality of laid cleaning tubes, a plurality of laid temperature testing tubes and a plurality of control elevation short tubes, wherein the pre-laid bar dowels are pre-laid on frame column heads of a coke oven foundation top plate; the control elevation short tubes are welded on the pre-laid bar dowels; the longitudinal horizontal tubes are erected along a frame column longitudinal tower and are fixedly connected with the control elevation short tubes; the transverse horizontal tubes are fixedly erected on the longitudinal horizontal tubes; the longitudinal horizontal tubes and the transverse horizontal tubes form an overall scaffold grid net; the lower laid ejection tubes and the laid temperature testing tubes are fixedly mounted on the transverse horizontal tubes; the laid cleaning tubes are fixedly mounted between two adjacent transverse horizontal tubes. The coke oven top plate pipe laid assembled type fixing rack is convenient and rapid to assemble and fix, good in transfer usability, easy in disassembling fixed laid tubes and relatively convenient to control elevation, displacement and mounting process adjustment, and moreover as a fixing rack material can be transferred and recycled, the cost can be reduced.

The invention provides a Venturi combustor structure. The Venturi combustor structure comprises a spray nozzle and a mixing tube, wherein the mixing tube is provided with a gas inlet part for injecting air and an outlet part for outputting a gas mixture; the spray nozzle is arranged at the gas inlet part; a plurality of flame holes are formed in one side surface of the mixing tube; the flame holesdefine the outlet part; and a shrinkage structure is arranged in the mixing tube. The shrinkage structure is configured, so that a shrinking mixing section with a gradually reduced section area and adiffusing mixing section with a gradually increased section area are formed in the mixing tube.

The invention relates to the technical field of structural vibration control, in particular to a laser radar passive vibration damping device for a large-load unmanned aerial vehicle. The device comprises an unmanned aerial vehicle support, a fixed lifting ring, connecting columns, a connecting plate, a rubber shock absorber, a load mounting plate and a laser radar, wherein the unmanned aerial vehicle support is connected with the load mounting plate through the plurality of connecting columns, the upper end of each connecting column is connected with the unmanned aerial vehicle support through the fixed hanging ring, the lower end of each connecting column is connected with the load mounting plate through the rubber shock absorber, and the laser radar is arranged on the load mounting plate. According to the device, a suspension structure is adopted, the mounting space is sufficient, the disassembly is convenience and the like; and in combination with the vibration damping device structure, in the actual work of the unmanned aerial vehicle, the installation of portable load such as the laser radar is facilitated, the working performance range is improved, and meanwhile, the reliable working performance requirement can be met.

The invention relates to a disconnecting switch transportation tool. The disconnecting switch transportation tool comprises a bottom supporting frame used for fixedly carrying disconnecting switches to be transported. The bottom supporting frame is provided with a bottom supporting face and a top supporting face, wherein the bottom supporting face is used for making abutting contact with a transportation facility or the ground, and the top supporting face is used for supporting the disconnecting switches. The bottom supporting frame is provided with bolt connecting structures for detachably and fixedly assembling the disconnecting switches to be transported to the bottom supporting frame. During using, the disconnecting switches can be directly dismounted from and mounted on the bottom supporting frame, destructive dismounting is not needed, and the transportation tool can be repeatedly utilized. Meanwhile, the disconnecting switches are fixed to the bottom supporting frame through the bolt connecting structures, the fixing stability of the disconnecting switches can be effectively improved, and equipment damage caused by shaking in the transportation process is reduced.

The invention belongs to the technical field of steel profile drilling machining, and relates to a pipe stopper capable of preventing displacement for a steel pipe drilling machine. The pipe stopper comprises a supporting portion, a lifting portion, a pipe stopping portion and a connecting positioning portion. The pipe stopper is characterized in that the pipe stopper further comprises a strengthening fixing frame assembly; the supporting portion is disposed on a drilling machine table, the lifting portion is fixedly installed on the supporting portion, the pipe stopping portion is fixedly installed on the lifting portion, and the connecting positioning portion is connected between the supporting portion and the drilling machine table; and the strengthening fixing frame assembly is composed of a strengthening fixing plate and a tightening screw, the strengthening fixing plate is fixedly installed on the drilling machine table, one end of the tightening screw is installed on the strengthening fixing plate in a screwed mode, and the other end of the tightening screw is pressed on the supporting portion. The pipe stopper is scientific and reasonable in structural design, has the advantages of simple structure, convenient operation and assembly, tight connection, good pressing effect, being capable of effectively enhancing the anti-impact ability, being capable of effectively preventing the displacement and deviation caused by a steel pipe from hitting the pipe stopper for a long time and avoiding the error increase and the like, and has higher innovation.

The invention relates to a grounding switch static contact and a straight swing plug-in grounding switch, and the grounding switch static contact comprises an upper cylinder part which is internally provided with a static contact finger, and a lower guide cover fixedly arranged at the lower end of the upper cylinder part; one end of the guide channel is an open end, and the other end is a closed end; an elastic buffer piece is arranged at the closed end in a protruding mode, and the elastic buffer piece is arranged towards the guide channel and used for being in elastic jacking fit with a moving contact entering the guide channel in a swinging mode so that the moving contact can be buffered and decelerated. When the moving contact swings to enter the guide channel and moves to the end of the guide channel, the moving contact is elastically pressed and matched with the elastic buffer piece, and the elastic buffer piece buffers, decelerates and stops the moving contact, so that the moving contact is conveniently inserted into the upper cylinder part along a straight line in the next step, and is electrically connected with the static contact arranged inside. The moving contact is buffered by using the elastic buffer member facing the guide channel, so that the elastic buffer member with a proper elastic coefficient can be selected conveniently, and the installation is relatively convenient.

The invention relates to a detector core. Through the detector core, the technical problem that the polarities of two terminals of an existing detector core are prone to be connected reversely is solved. The detector core comprises a top cover, a shell, magnetic steel, an upper yoke, a lower yoke, a coil former, an upper leaf spring and a lower leaf spring, wherein the top cover is connected withthe shell, the upper yoke is connected with the magnetic steel, the lower yoke is connected with the magnetic steel, the coil former is arranged in the shell, a coil is connected onto the coil former,the magnetic steel is sleeved with the coil former, the upper leaf spring is connected with the upper yoke, and the lower leaf spring is connected with the lower yoke; the upper end of the coil former is connected with the upper leaf spring, and the lower end of the coil former is connected with the lower leaf spring; one electric lead of the coil is connected with the upper leaf spring, and theother electric lead of the coil is connected with the lower leaf spring; and the detector core also comprises a middle terminal and an edge terminal, wherein the middle terminal is connected with theupper yoke and penetrates through the top cover, and the edge terminal is connected with the upper leaf spring and penetrates through the top cover. The detector core can be applied to the technical field of detectors.

The embodiment of the invention discloses a K-shaped open type big black channel steel structure and a combination method. The K-shaped open type big black channel steel structure comprises a suspended ceiling structural body, C-shaped light steel keels, big black channel keels, K-shaped open type aluminium plates, lifting rods, light steel keel lifting pieces, big black channel keel lifting pieces, big black channels, limiting clamping hooks, limiting circular holes, limiting square holes, threaded through holes, fixing threaded studs, arched clamping seats and limiting threaded holes. The combination method comprises the steps of first, clamping the limiting clamping hooks at the lower ends of the big black channel keel lifting pieces on the big black channel keels; and then, clamping the upper ends of the big black channel keel lifting pieces on the C-shaped light steel keels and fixing the upper ends of the big black channel keel lifting pieces to the C-shaped light steel keels byusing bolts; and finally, carrying the two ends of the K-shaped open type aluminium plates between the two big black channel keels, correspondingly fixing the edges of the two ends of the K-shaped open type aluminium plates to the corresponding big black channel keels again by using the fixing threaded studs, and stably connecting the two adjacent K-shaped open type aluminium plates in the lengthdirection again by using the arched clamping seats.

The invention discloses a conveniently and fast assembled shelf and a placing method thereof. The shelf comprises a left shelf sheet and a right shelf sheet, wherein reinforcing edge blocks are arranged on the left side and right side of the left shelf sheet and right shelf sheet. The method comprises the following steps of: 1) assembling a suspension frame; 2) placing the shelf; 3) mounting the suspension frames and the frame bodies. According to the invention, the integral structural strength of the shelf can be effectively increased through the design of the reinforcing side blocks, so thatthe shelf is not easy to deform completely; and the design of disassembly and assembly between the shelf sheets is achieved through the mutual matching between connecting pieces and the reinforcing side blocks, so that the number of the assembled shelf sheets can be adjusted according to the number of the breeding of the eggs, and the breeding of the eggs is more scientific; meanwhile, when placed, the shelf is suspended through the suspension frames, and due to the limitation of the length of a limiting inserting plate, the front and rear surfaces of adjacent suspension frames are mutually abutted, and a gap exists between the front and the rear surfaces of the adjacent suspension frames, so that the air circulation in the process of suspending the shelf is ensured.

The invention provides a bearing bush convenient to assemble and fix. The bearing bush convenient to assemble and fix comprises an upper bearing bush, connection clamping grooves and connection positioning holes. The connection clamping grooves are fixedly inlaid in the left side and the right end of the upper bearing bush respectively. Each connection clamping groove is of a semi-cylindrical shape. The connection positioning holes are fixedly welded to the middle of the left side the middle of the right end of the upper bearing bush respectively. A bearing fixing groove is inlaid in the middle of the inner side of the upper bearing bush. The bearing fixing groove is rectangular. Oil inlets penetrate through the middle of the bearing fixing groove, and are evenly distributed in the inner side of the bearing fixing groove. Movable columns are fixedly inlaid in the front of the upper bearing bush. Oil outlets fixedly penetrate through the surfaces of the movable columns. Because positioning baffles are arranged, one second, in the length direction, of each positioning baffle is located at the end of the upper bearing bush, and the positioning baffles can be manually detached throughconnection buckles, no large die is needed for splicing when two bearing bushes are spliced, the effect of conveniently assembling and fixing the bearing bush is achieved during installation, and thebearing bush convenient to assemble and fix relates to the field of bearing bushes.

The invention provides a wire routing mechanism and a refrigerator. The wire routing mechanism is used for realizing the electrical connection between a drawer type door body and a refrigerator body,and an electrical component is arranged on the drawer type door body. The wire routing mechanism comprises a mounting box fixed in a compartment, a support frame fixed on the rear side of the drawer type door body and a fixed box fixed on the support frame, wherein a drag chain is connected between the mounting box and the fixed box. The wire routing mechanism further comprises a cable used for supplying power to the electrical component, and part of the cable is housed inside the drag chain. A first connector extending into the mounting box and a second connector extending into the fixed boxare arranged at the two ends of the cable. The wire routing mechanism protects the cable through the drag chain. Moreover, the two ends of the drag chain are respectively fixed on the mounting box andthe fixed box, so that the possible extrusion, deformation and damage of the exposed cable are effectively avoided. Thus, the stable electrical connection between the drawer type door body and the compartment is ensured, and the work is safe and reliable.

The invention relates to a positioning device for suspension bracket assembly. The positioning device comprises an underframe, a suspension bracket positioning mechanism and a frame positioning mechanism. The underframe is provided with a plurality of groups of suspension bracket mounting areas, each suspension bracket mounting area comprises two groups of suspension bracket mounting positions, and each suspension bracket mounting position comprises a plurality of suspension bracket mounting parts; each group of suspension bracket positioning mechanism comprises two positioning units, and thepositioning units are selectively arranged on the suspension bracket mounting part; and the frame positioning mechanism is used for supporting the frame and locating the frame on the underframe. According to the invention, the suspension bracket mounting areas, the suspension bracket mounting positions and the suspension bracket mounting parts which are preset on the underframe are matched; the positioning device can be used for assembling semi-trailers of different types, different sets of suspension support mounting parts are selected to be used for assembling according to the number of semi-trailer axles, the axle distance and the width parameters, the equipment and site cost can be reduced, and the assembling efficiency, the assembling precision and the assembling consistency between the frame and the suspension supports can be improved.

The invention discloses an iris recognition instrument, which comprises a body and a transparent cover. The body is internally provided with an assembly chamber used to assemble a recognition system. The front end face of the body is provided with a cover slot communicated with the assembly chamber. The body is internally provided with inserting slots in the left and right walls of the assembly chamber. The front ends of the inserting slots are communicated with the cover slot. The rear end of each inserting slot is provided with a tail chamber penetrating through the exterior of the rear end of the body. The body is internally provided with sliding chambers which are correspondingly arranged at the left and right sides in the rear end wall of the assembly chamber. Open slots are arranged in the inner wall of the body between the sliding chambers and the inserting slots to make the sliding chambers and the inserting slots communicated. A motor is arranged between the two sliding chambers. The iris recognition instrument of the invention has the advantages of simple overall structure, low manufacturing cost, convenient and fast assembly and disassembly, and safe and stable overall structure, and is suitable for popularization and use.