224results about How to "Simplify disassembly steps" patented technology

The invention belongs to the technical field of milling cutter clamping equipment, and particularly relates to milling cutter clamping equipment for manufacturing precision machinery. Aimed at the technical problems that the installation of a milling cutter is not convenient, the enhancement effect of the installation stability of the milling cutter is not obvious, and only one kind of milling cutter can be installed on each clamping seat, now the following scheme is provided, and the milling cutter clamping equipment comprises the clamping seat and the milling cutter. The clamping seat is of a rectangular structure, a clamping groove is formed in the central position of the bottom of the clamping seat, and the clamping groove is of a cylindrical structure; and a mounting seat is welded on the central position of the inner wall of the top of the clamping groove, a rectangular placing groove is formed in the central position of the bottom of the mounting seat, and a pentagonal clamping groove is formed in the central position of the inner wall of the top of the rectangular placing groove. According to the milling cutter clamping equipment for manufacturing the precision machinery, the positioning of the milling cutter is accurate, installation and disassembly of the milling cutter on the milling cutter clamping equipment are convenient, milling cutters with different diameters can be installed in the mounting seat on the inner wall of the top of the clamping groove, and in addition, the installation stability of the milling cutter is also enhanced greatly.

The invention discloses an automotive wiring harness plug-in with a waterproof function. The automotive wiring harness plug-in comprises an inner core, terminals and an elastic sheet; multiple terminal mounting holes are formed in the inner core; one terminal is mounted in one corresponding terminal mounting hole; a shell is arranged on the inner core; an accommodating cavity is formed between the outer wall of the inner core and the inner wall of the shell; the elastic sheet is arranged on the top of the shell; the automotive wiring harness plug-in also comprises a sealing mechanism mounting shell; the sealing mechanism mounting shell and the inner core are coaxially arranged; a sealing ring and a back cover are mounted in the sealing mechanism mounting shell; the back cover and the sealing mechanism mounting shell are fixed in a clamping manner; and wire-passing holes which are formed in one-to-one correspondence with the corresponding terminal mounting holes are formed in both of the sealing ring and the back cover, wherein sealing needles are inserted in the corresponding wire-passing holes in the sealing ring. The automotive wiring harness plug-in can be effective in the waterproof effect.

The invention discloses a power connector for a Christmas tree of a combined structure, and relates to the technical field of Christmas trees. In order to solve the technical problem that colored lamps of an existing Christmas tree are inconvenient to connect, the power connector comprises a male terminal and a female terminal which are connected in an inserted and matched mode, and through holes connected with tree trunk stand columns of the Christmas tree in a sleeving and matched mode are formed in the male terminal and the female terminal; a first electric conduction ring and a second electric conduction ring which are concentric are arranged on the connecting face of the male terminal; a first electric conduction contact and a second electric conduction contact which are electrically connected with the first electric conduction ring and the second electric conduction ring respectively are arranged on the connecting face of the female terminal. The male terminal and the female terminal are connected to two tree trunk stand columns of the Christmas tree in a sleeving mode respectively, when the two tree trunk stand columns of the Christmas tree are assembled in an inserted and connected mode, the first electric conduction contact is communicated with the first electric conduction ring, the second electric conduction contact is communicated with the second electric conduction ring, and therefore a power source of the colored lamps on the upper layer and the colored lamps on the lower layer is closed; the power connector is convenient to use, simple in disassembling and assembling step, not prone to dropping and good in safety.

The invention provides a clamping device and a plasma processing device. The clamping device comprises a tray, a cover plate and a fastening unit, wherein the fastening unit comprises a support part and a plurality of fastening components; the support part is of an annular structure, surrounds the outside of the cover plate and is connected with the tray; the plurality of fastening components are arranged on the support part and are arranged at intervals along the periphery of the cover plate; each fastening component comprises a pressing block, a fastening part and an elastic part; the pressing blocks are rotatably connected with the support part by virtue of the fastening parts; each pressing block is provided with a cantilever; the cantilevers are mutually superposed with the edge area of the cover plate when the cantilevers are driven to rotate to a first position by the pressing block; the cantilevers are mutually separated from the edge area of the cover plate when the cantilevers are driven to rotate to a second position by the pressing blocks; the fastening parts are used for applying elastic force to the upper surface of the tray by virtue of an elastic part, so that the cantilevers are used for pressing the edge area of the cover plate when in the first position. By virtue of the clamping device, the demounting time can be saved, the demounting steps can be simplified, and the cracking probability of the cover plate can also be reduced.

The invention relates to the field of personal protection equipment and provides a sealing support component used for an anti-haze face mask. The sealing support component comprises a support piece and a seal ring. The support piece is of a sheet structure made of a rigid material and provided with a plurality of gas flow channels allowing gas to flow through. The seal ring is made of an elastic material and wraps the edge of the sealing support component. The invention further provides the anti-haze face mask provided with the sealing support component. The sealing support component providedby the invention can have a fixing and supporting effect on a filter element, and accordingly, the filter element in the anti-haze face mask is not prone to deforming; and in addition, a one-way valveis arranged on the sealing support component, the one-way valve does not need to be dismounted in the replacing process of the filter element, and therefore, the steps of mounting and dismounting ofthe filter element are simplified.

There is disclosed a method of constructing a laminated composite bidirectional panel from commercially available transparent/see-through materials, which may be used as shades for openings, such as doors and windows, to advance an aesthetically pleasing appearance in which, changeable decorative images of varying configurations and colors are incorporated between layers of laminations to promote the mood of a particular season, occasion, or event.

The invention discloses a multipoint needle valve. The multipoint needle valve solves the prior art problems of complex installation and dismounting, easy leakage of a valve needle sleeve, and difficult cooperation of a valve needle and a cast gate. Through a change of a valve needle structure, installation and dismounting are simplified and mold modification time is reduced. Through an integrated gas circuit of a system, processing of gas circuit holes in a mold plate is avoided; mold processing difficulty is simplified; and processing time and a cost are reduced. The multipoint needle valve effectively resolves the problem of leakage caused by a hot runner system, avoids production stopping caused by material leakage, improves operation stability of the whole hot runner system, controls raw material waste, effectively controls a precision of cooperation between a valve needle and a cast gate, and realizes beautification of a cast gate mark on the surface of a plastic product.

A lightweight and high-strength valve lifter is excellent in wear resistance and sliding properties. The valve lifter is made of a titanium alloy having a hardened layer on the top surface thereof, on which a cam is caused to slide. The hardened layer is composed of an α-case and an oxygen diffusion layer under the α-case. The α-case 22 is formed in a thickness of not less than 3 μm and not more than 15 μm. The oxygen diffusion layer has a thickness of not less than 10 μm. The hardened layer on the top surface of the valve lifter is formed by oxidation treatment in a furnace at a temperature of not less than 600° C. An outermost oxide layer 21 formed on the α-case as a result of the oxidation treatment I s removed.

The invention discloses a pipeline fastener convenient to operate and a method. The pipeline fastener comprises a top cover, a bottom cover and a rotation disc. The bottom cover is arranged below thetop cover. The fastener has advantages that through a design of the rotation disc, a rotating handle, a support plate, a guide rod, a screw rod and a mounting plate, when the fastener is disassembledand assembled, operation can be performed only by rotating the rotating handle; trouble of traditionally dismounting bolts one by one is effectively avoided; dismounting and mounting steps of the pipeline fastener are simplified; dismounting and mounting efficiency of the pipeline fastener is improved; practicality is good; a sealing gasket I, a sealing gasket II, a sealing strip and a sealing groove are designed so as to realize double sealing of the pipeline during fastening connection, and sealing performance of the pipeline during fastening connection is effectively improved; and through the design of a connecting rod, a sliding sleeve, a sliding rod and a spring, overall vibration of the pipeline in a using process is greatly reduced, a risk of cracking at a joint of the pipeline is effectively avoided, and the fastening connection of the pipeline is safer and more reliable.

The invention provides a PCIE structure capable of being subjected to tool-free dismounting, and relates to the field of servers. The PCIE structure comprises a node base and PCIE brackets; a board card is mounted on the node base; PCIE slots are formed in the board card; Riser cards are mounted on the PCIE brackets; a PCIE card is mounted in the PCIE slot through the Riser card; the PCIE bracketsare detachably mounted on the node base; and the node base equipped with the PCIE brackets can be stably placed in a case. According to the PCIE structure provided by the invention, the two adjacentPCIE brackets in a node can be locked at the same time; the whole mounting and dismounting process is tool-free; the structure is simple and novel; the cost is low; the PCIE dismounting step can be greatly simplified; and the efficiency is improved.

The invention discloses an integrated tension mechanism. The integrated tension mechanism comprises a rear guide base, a front guide base, a shaft, a pull rod and a spring. The rear guide base is provided with a column body and a protruding ring which is integrally formed at the rear end of the column body, and an axial through hole is formed in the rear guide base. The front guide base comprises a barrel body and an outer edge which is integrally formed at the front end of the barrel body, wherein an opening is formed in the front end of the barrel body. A guide wheel support is arranged at the front end of the shaft, and the rear end of the shaft is inserted into an inner cavity in the front guide base in a matched mode and is in sliding seal with the inner cavity. The front end of the pull rod is connected with the front guide base, the rear end of the pull rod penetrates through the axial through hole in the rear guide base, and a limiting mechanism is arranged at the tail end of the pull rod. The column body and the barrel body are sleeved with the two ends of the spring respectively, and the spring is clamped and positioned between the rear guide base and the front guide base. According to the integrated tension mechanism, the inner cavity of the front guide base is directly used as the cylinder body of an oil cylinder, the tail end of the shaft has the piston function in an integrated mode, and the guide bases and the oil cylinder are of an integrated structure, so that an oil cylinder structure of a traditional tension device is simplified, and the assembly difficulty is reduced.

The invention provides a mounting module, an air conditioner indoor hanging module and an air conditioner. The mounting module comprises a fixed piece, and a lifting mechanism connected with the fixed piece and capable of downwards moving and returning corresponding to the fixed piece; and the air conditioner indoor hanging module is mounted on the lifting mechanism. The mounting module prevents climbing of a ladder to dismount an air conditioner indoor hanging unit for maintenance and cleaning to cause inconvenient user operations and dangers, effectively solves the difficulties of climbing disassembly, cleaning and maintenance of the air conditioner indoor hanging unit, guarantees the operation safety, and improves the use experiences of users; and meanwhile, the repaired, cleaned and maintained air conditioner indoor hanging unit can be returned to an initial position through the lifting mechanism, so that the step of mounting the air conditioner indoor hanging unit by climbing the ladder again is simplified, the use experiences of the users are improved, and the use satisfaction of the users is improved.

The invention discloses a positioning mechanism for achieving blade-assembly rapid disassembling and assembling. When a blade assembly is fixed through the positioning mechanism, one end of a rotating shaft of the blade assembly is inserted into a transmission wheel to be fixed, the other end of the rotating shaft of the blade assembly is clamped on a blade base, movement is limited in cooperation with a limiting block, and assembling is fixedly completed; when disassembling is carried out, limiting of the limiting block is only relieved, the blade assembly is directly, reversely and horizontally pulled and taken out, the disassembling and assembling steps are simplified, rapid disassembling, assembling and replacing of the blade assembly are convenient, and the use comfort is improved when a user uses the product.

The invention discloses an oil spraying ring brazing positioning device of a turbojet engine. The device comprises a base, an inner positioning ring and six outer positioning blocks; the base is a circular plate; six thread holes are uniformly distributed in the base; the inner positioning ring is a twelve-edge annular structure; semicircular holes are machined in included angles of every two adjacent edges of the outer side of the inner positioning ring; six sets of thread holes are uniformly distributed in the outer side of the inner positioning ring; all the sets of thread holes are formed in the middle positions of the edges thereof; six through holes corresponding to the thread holes of the base are uniformly distributed on the end surface of the inner positioning ring; the six outer positioning blocks are spliced as a twelve-edge annular structure; thread through holes are machined in two ends of each outer positioning block; the thread through holes of the outer positioning blocks are corresponding to the thread holes of the inner positioning ring; semicircular holes are respectively machined in included angles of two adjacent edges of the inner sides of all the outer positioning blocks; and the semicircular holes on the inner sides of the six outer positioning blocks and the semicircular holes on the outer side of the inner positioning ring form round holes. The device can reduce the assembly difficulty and improve the production efficiency.

The invention relates to a welding device facilitating welding operation. The welding device comprises a top base, landing legs and a welding table top, the top base comprises a main base body, sliding grooves which extend front and back and are provided with outward opening parts are symmetrically arranged in the main base body in a left-and-right symmetrical manner, middle rotating grooves located at the middle portions of the left and right sides are arranged in the front end of the main base body, first belt wheels are rotationally installed in the middle rotating grooves through rotatingshafts, side edge rotating grooves are arranged in the front ends of the sliding grooves, conveying grooves which communicate to each other are arranged between the side edge rotating grooves and themiddle rotating grooves, a front sliding block and a back sliding block which are installed in a front-and-back sliding manner are arranged in the sliding grooves, a front screw rod and a back screw rod which are installed in a spiral fit manner are arranged in the front sliding block and the back sliding block, the front screw rod and the back screw rod are fixedly connected, second belt wheels are installed on the side edge rotating grooves and are fixedly connected with the front screw rod, the first belt wheels and the second belt wheels are provided with belts, a front connecting rod extending forwards is fixedly arranged on the outer side end of the front sliding block, and a back connecting rod extending backwards is fixedly arranged on the outer side end of the back sliding block.

A damping opening and closing structure easy to mount and demount and applicable to a furniture folding door comprises a demountable opening and closing device, sliding grooves and at least two furniture door bodies. The demountable opening and closing device comprises a support element and rotating wheels arranged on a movable element. The at least two furniture door bodies are the first furniture door body and the second furniture door body correspondingly. The first furniture door body and/or the second furniture door body are/is connected with the support element in a matched mode, and thefirst furniture door body and the second furniture door body are hinged to each other and are opened or closed in the sliding grooves in a linked sliding mode through the rotating wheels of the support element when being hinged to each other. The damping opening and closing structure further comprises at least one hinge, and the hinges are connected with the first furniture door body and/or the second furniture door body in a matched mode and provided with dampers, and the first furniture door body and the second furniture door body are opened or closed in the sliding grooves in a damping mode through the dampers of the hinges when being hinged to each other. Through structural improvement, the damping opening and closing structure has high practicability.

The invention belongs to the technical field of intelligent building monitoring, and particularly relates to a circulating swinging type intelligent building monitoring device with the angle and the position adjusted conveniently. The device includes a wall body, a rack, and an opening, a sliding groove is formed in the wall body, a connecting shaft is mounted above the left side of the rack, a motor is arranged on the left side of the opening, a protection mechanism is arranged on the outside of the motor, a heat dissipation opening is formed in the surface of the outside of a connecting block, a connecting plate is mounted in the connecting block, a main plate is connected with the left side of the connecting plate, and a turntable is mounted on the left side of a first swinging cylinder. According to the circulating swinging type intelligent building monitoring device with the angle and the position adjusted conveniently the position can be adjusted, the angle adjustment and circulating swinging can be carried out, the monitoring shooting range is large, the heat dissipation performance is good, the dismounting is convenient, the cleanliness of the inner environment can be guaranteed, the focal length can be adjusted, and the focusing position of a shot picture can be adjusted.

The invention provides an external rotor motor and an electric vehicle. The external rotor motor comprises an external rotor module, a stator module, a motor shaft and a Hall module, wherein the external rotor module and the stator module are assembled on the motor shaft; the stator module is positioned in an accommodating cavity for a wheel hub of the external rotor module; and the Hall module is arranged on the motor shaft, and is positioned in a magnetic ring on an end cover of the external rotor module for detecting a magnetic field of the magnetic ring. In the technical scheme, by using the installation manner that the Hall module is separated from the stator module, the Hall module can be maintained without taking the stator module out from the interior of the external rotor motor, so that the maintenance difficulty of the Hall module is reduced, and the maintenance efficiency of the external rotor motor is improved; and moreover, the condition that the temperature of the stator module in the working process is too high to burn out the Hall module is effectively avoided, so that the service life of the Hall module is prolonged.

A PCB device includes a base frame and a main seat body mounted on an upper side of the base frame, A manufacture cavity is arranged in the end surface of the bottom of the main seat body, A first sliding cavity is arranged in the top wall of the manufacturing cavity, A manufacture frame is arranged in sliding fit in the first sliding joint cavity, A lif mechanism is symmetrically arranged on theleft and right side of the production frame, At the bottom end face of the manufacture frame, an embedding cavity is arranged, A cut blade is rotatably arranged in the embedding cavity, A first insertion groove is symmetrically arranged in the left end face of the cutting blade, A second insertion groove is arranged in the center of the right end face of the cutting blade, a first electric rotating machine is fixedly arranged in the left inner wall of the embedding cavity, an output shaft of the right end of the first electric rotating machine is fixedly provided with an attachment plate, andthe attachment plate on the right end face of the attachment plate is vertically symmetrically fixedly provided with a plugging plate which is inserted in and matched with the first insertion groove.

The invention discloses a cemented carbide pipe fitting. The cemented carbide pipe fitting comprises a base plate and a cover body mounted on the base plate. The end face of the bottom of the cover plate is internally provided with a containing cavity. The top wall of the containing cavity is internally provided with a first sliding groove. A machining seat is mounted in the first sliding groove in a sliding fit mode. The left and right sides of the machining seat are symmetrically provided with lifting mechanisms. The end face of the bottom of the machining seat is internally provided with asunken groove. A cutting blade is rotatably arranged in the sunken groove. The left end face of the cutting blade is internally provided with first insertion-connection grooves in longitudinal symmetry. A second insertion-connection groove is formed in the center of the right end face of the cutting blade. A first electric roller is fixedly arranged in the inner wall of the left side of the sunkengroove. A clamping plate is fixedly arranged on an output shaft of the right side end of the first electric roller. The right end face of the clamping plate is fixedly provided with insertion-connection plates connected with the first insertion-connection grooves in longitudinal symmetry, and the insertion-connection plates are connected with the first insertion-connection grooves in an insertion-connection fit mode.