38results about How to "Guaranteed disassembly" patented technology

A closing link for a bicycle chain that includes a first outer link plate having a first elongated hole and a first chain pin extending therefrom and a second outer link plate having a second elongated hole and a second chain pin extending therefrom. The first chain pin is received in the second elongated hole and the second chain pin is received in the first elongated hole Each chain pin has a head at one end, a foot at the other end and a groove therebetween. Each elongated hole has a larger diameter end, a smaller diameter end and a displacement region therebetween. The larger diameter end has a diameter larger than a diameter of the pin head. The smaller diameter end receives the groove of the chain pin and includes a countersink to receive the pin head. The displacement region includes sides having recessed and unrecessed portions. The recessed portions have a smaller depth than a depth of the countersink at least in the region of the countersink.

Turbocharger comprising a shaft, a housing, a turbine wheel and a compressor wheel mounted onto the shaft, at least one rolling bearing located between the shaft and the housing and comprising an inner ring, an outer ring and at least one row of rolling elements between raceways provided on the rings.

Said turbocharger comprises at least one intermediate sleeve radially located between the shaft and the inner ring of the rolling bearing.

The invention discloses a self-climbing operation platform for a hoistway. The self-climbing operation platform comprises a tower body system and a wall attaching system; the wall attaching system comprises two attaching mechanisms vertically fixed to the two adjacent sides of the elevator hoistway; the tower body system comprises a top work mechanism, a tower body and a bottom drive mechanism which are sequentially and fixedly connected from top to bottom; and the tower body is in vertical sliding connection with the two attaching mechanisms at the same time. The operation platform comprises the tower body, the two attaching mechanisms fixed in the hoistway and the bottom drive mechanism arranged at the lower portion of the tower body. The tower body is connected with a guide rail frame at different heights by dismounting and mounting the attaching mechanisms to the guide rail frame, the purpose of self ascending and descending in the hoistway is finally achieved, and the construction work requirement is met. The multiple construction problems that at present, an operation construction platform in the hoistway is difficult to erect, and material transportation is difficult are solved.

The invention relates to a modular finished product partition system. The modular finished product partition system is characterized in that a steel adjusting base is connected with a main building floor through expansion bolts, and the upper top face of the steel adjusting base is adjusted to be in the ground horizontal line; a lower groove integrated aluminum alloy baseboard is connected with the steel adjusting base; a steel upper groove is connected with a grid hanging upside down through tapping screws and is adjusted to be in a top face locating line; an L-shaped steel panel fastener is connected with a finished product veneer through tapping screws and fastened into a hole portion prefabricated in a steel main keel; an L-shaped steel glass frame fastener is connected with an aluminum alloy frame through self-plugging rivets, a glass panel is combined into a whole through a prefabricated groove portion and fastened into the hole portion prefabricated in the steel main keel through the L-shaped steel panel fastener; and an aluminum alloy door cheek is meshed with a concave-convex portion fabricated in the steel main keel through a prefabricated concave-convex portion, and then fixed through tapping screws. The modular finished product partition system solves the problems of manual coarseness and inaccuracy in traditional decoration and reduces the thickness of a wall.

The invention discloses a mounting and dismounting device for a wind driven generator coupler. The mounting and dismounting device comprises a carrying platform mechanism and a height adjustment mechanism, wherein the carrying platform mechanism is used for carrying the coupler to be mounted or dismounted; and the height adjustment mechanism is fixed below the carrying platform mechanism and used for adjusting the level of the carrying platform mechanism to facilitate mounting or dismounting of the coupler. The device has the advantages that the device is simple and compact in structure and convenient to use and operate, and can reduce working strength and risks, and the couplers in different specifications can be quickly and precisely mounted or dismounted.

The invention discloses novel polyvinyl chloride (PVC) mother solution treatment method. The PVC mother solution is passed through a primary cooling and a secondary cooling to an anaerobic pool and an aerobiotic pool to apply biochemical treatment, then the product is put into a coagulating sedimentation pool to settle the sludge, at last, the product is filtered by submerged ultrafiltration, so as to produce the qualified water. The novel PVC mother solution treatment equipment has a good water treatment effect and high operating stability, can be used for effectively treating the PVC mother solution for a long time, and is relatively low in operating cost and high in quality of output water.

The invention relates to the technical field of diesel tanks, and particularly discloses an integrated diesel tank. The integrated diesel tank comprises an integrated tank body, a fuel filter, a ureatank and a pipeline valve body; the integrated tank body comprises a cylindrical structure and two end plates; openings are formed in two ends of the cylindrical structure; the two end plates are arranged on the openings in both ends of the cylindrical structure in a covering manner respectively; the integrated tank body is internally provided with an accommodating cavity for accommodating dieseloil; the side wall of the cylindrical structure is recessed to form a U-shaped groove; the fuel filter is arranged in the U-shaped groove and is connected with the wall of the U-shaped groove; the urea tank comprises a tank body and a filling port, and is arranged in the accommodating cavity; the side wall of the cylindrical structure is recessed to form an L-shaped groove; the pipeline valve bodycommunicates with the urea tank; and the pipeline valve body is arranged in the L-shaped groove and is connected with the wall of the L-shaped groove. The integrated diesel tank provided by the invention has a compact and reasonable structure, the leakage of the urea tank is avoided, an original fuel filter bracket and an original urea tank bracket are omitted, the weight and cost of the completevehicle are reduced, the size of the fuel tank is increased, and the convenience of disassembly and maintenance are ensured.

The invention relates to the technical field of anodic aluminum oxide porous membranes, in particular to an electrochemical deposition support for preparing a nano material. The support comprises a substrate, a front cover plate, a support base and a conductive assembly, the substrate is fixed through the front cover plate and the support base, the conductive assembly is arranged on the support base, the substrate is connected with the conductive assembly, and a through hole A is further formed in the front cover plate in a penetrating mode. According to the support, the structure is stable, the fixing effect of the substrate is good, the sealing performance is good, and the conductive assembly can be prevented from being corroded by an electrolyte; the whole body is of an assembly type structure, no glue or bonding structure is arranged, disassembling, assembling and parts replacement are easy, and the long-term effective use of the device is facilitated.

The invention discloses a proton exchange membrane fuel cell in the technical field of proton exchange membrane fuel cells. The fuel cell comprises a fuel cell stack, the upper end face and the lower end face of the fuel cell stack are fixedly connected with end plates, one end face of each end plate is provided with a plate body, a fan is arranged in the plate body, and a connecting mechanism is arranged between the fan and the plate body; the connecting mechanism comprises a first contact plate, a second contact plate and a connecting block, the connecting block is fixedly connected to the upper end face of the fan, the first contact plate is fixedly connected to one end face of the connecting block, the second contact plate is fixedly connected into the plate body, the connecting block is slidably inserted into the plate body, and the first contact plate and the second contact plate are in mutual contact and buckled connection. The installation efficiency is high, additional wiring operation does not need to be conducted on a wiring part in the disassembly and assembly process, the maintenance operation of a worker on the fan can be greatly improved, circuit connection is stable and safe, and practicability is high.

The invention belongs to the field of clinical tools, and particularly relates to a suction tube with a detachable filter element. The suction tube provided by the invention comprises a main pipe body and a filter element; the filter element comprises a filter plate, and filter holes are formed in the filter plate; one end of an elastic supporting foot is installed on the inner plate surface of the filter plate, the other end of the elastic supporting foot forms a foot end and extends towards the inner end of the main pipe body, the three or more sets of elastic supporting feet which are sequentially and evenly distributed around the axis of the filter plate are all located on the same conical surface coaxial with the axis of the filter plate and make axial projection in the axial direction of the filter plate, and when the elastic supporting feet are in the initial non-stress state, the diameter of a circle defined by the foot ends of the elastic supporting feet is larger than the pipe diameter of the main pipe body; the inner wall of the main pipe body is correspondingly provided with clamping grooves or concave pits for the foot ends of the elastic supporting feet to be clamped in. According to the invention, the drainage objects in the suction tube can be rapidly removed, and therefore the non-blocking efficient operation drainage requirement can be continuously met, and an operation can be conducted smoothly.

The invention provides a pull ring unlocking apparatus capable of being repeatedly disassembled and assembled, comprising a main body structure and a matching pull ring; a concave sliding rail is provided on the main body structure, and the sliding rail comprises a locking end and an unlocking end; a groove for locking is provided on the locking end of the sliding rail; the pull ring slides in thesliding rail, the front end of the pulling ring is provided with a curved structure toward the front end of the locking end, and one side of the curved structure is provided with a reed; and the pullring slides to the locking end in the sliding rail, the reed is locked in the groove, the pull ring slides to the unlocking end in the sliding rail, and the reed is removed from the groove and unlocked. According to the pull ring unlocking apparatus capable of being repeatedly disassembled and assembled, the pull ring can be repeatedly disassembled and assembled, other components on modules neednot be disassembled during disassembly, the disassembly and assembly is simple, and the production cost is greatly reduced.

The invention relates to an intelligent breeding and gestation house temperature control system. The system comprises a hot water system, a cold water system and a controller, wherein the controller is connected with an intermediate server through a CAN bus, is connected with a temperature acquisition module which is arranged in the breeding and gestation house, and is connected with a computer terminal and a cloud server through the intermediate server via Internet; the hot water system and the cold water system are connected on a spacing pen plate through pipelines; the spacing pen plate consists of a plurality of hollow galvanized steel pipes or seamless steel tubes, the plurality of galvanized steel pipes or seamless steel tubes are communicated to fill the spacing pen plate with water; the spacing pen plate is connected on a pipeline through a hose which has one end provided with a self-sealed quick coupling; and the self-sealed quick coupling is detachably clamped on the spacingpen plate. The intelligent breeding and gestation house temperature control system has the advantages that the room temperature of the breeding and gestation house can be conveniently adjusted, efficient water supply of the hot water system and the cold water system can be effectively guaranteed, and the environmental temperature in the breeding and gestation house can be shared in real time conveniently.

The invention discloses a connecting structure for a floor drain core and a floor drain body. The connecting structure comprises the floor drain body and the core; the inner wall of the floor drain body is provided with a clamping groove, the outer wall of the core is provided with a plurality of convex blocks which can be connected with the clamping groove in a clamped mode, an isobathic annular groove is adopted as the clamping groove, and upper notches are formed in the positions, corresponding to the convex blocks of the core, of the upper portion of the annular groove; the height of the two ends of each convex block is smaller than that of the middle of the convex block. The connecting structure for the floor drain core and the floor drain body has the advantages that disassembly and assembly are convenient, no influence can be caused to water entry of the floor drain core, and the structure is simple and practical.

The invention discloses an axial four-side rotating mechanism for a multi-station mold, which relates to the field of injection molds, and solves the problem that a mold of a top rotating device of anexisting rotating mechanism is inconvenient to be dismounted, a bottom support structure is troublesome to adjust and tedious to dismount and mount. According to the technical scheme adopted by the invention, the axial four-side rotating mechanism comprises a top rotating device and a bottom rotating device which are respectively arranged at the upper and lower parts of a mold mounting tank, wherein the top rotating device comprises a supporting top plate, the supporting top plate is connected with a top plate connecting plate through a screw, the top plate connecting plate is divided into anupper connecting part and a lower connecting part which are connected through a screw, and the projection of the joint between the upper connecting part and the lower connecting part is located outside the supporting top plate, and a mold removal process is simple, convenient and rapid; and the bottom rotating device comprises a supporting structure, the supporting structure comprises a guide rail, a linear supporting block is arranged on the guide rail, a supporting plate is placed on the linear supporting plate, an adjusting nut is arranged on the top surface of the supporting plate, the supporting height can be conveniently, rapidly and accurately adjusted by virtue of the adjusting nut, and the dismounting and the mounting are easy.