99results about How to "Prevent mutual disengagement" patented technology

The purpose of the invention is a bearing member comprising highly accurate dynamic pressure generating portions and stably manufacturable at low cost. Dynamic pressure grooves (8a1) and (8a2) as the dynamic pressure generating portions are formed in the inner peripheral surface of an electroformed part (10) by electroforming, and the electroformed part (10) is inserted and the bearing member (8) is injection-molded with a resin. A shaft member (2) is inserted to the inner periphery of the bearing member.

A battery holder structure for a flat battery is to be provided allowing the battery, when it is to be inserted into the battery holder, to be readily inserted and, at the same time, to be firmly engaged and to be prevented from springing out of the case or its contacts from becoming disconnected when any vibration or impact from outside is suffered. <??>In a case 1 having in its top face an opening 1d through which a battery 2 is to be inserted, protruding barriers 1h are formed toward one end of the opening 1d to engage with the top face of the inserted battery 2 to prevent the battery 2 from coming off, and a battery holding section 3 having elastically deformable elastic arms 1g is formed toward the other end of the opening 1d in the case 1 opposite these protruding barriers 1h, the arms 1g turning toward the bottom plate 1b along with the insertion of the battery 2 and pressing the peripheral face 2a of the battery 2 toward the peripheral wall 1c.

The invention provides a portable photovoltaic bracket and belongs to the technical field of solar energy utilization. A bottom plate is composed of a front bottom plate and a rear bottom plate both of which are long rectangular plate structures. An electric push rod is a four-section telescopic structure. The first section of the electric push rod is tangent to the bottom surface of the bottommost photovoltaic bracket. The left and right sides of the top surfaces of the two ends of the photovoltaic bracket in the long axis are provided with bracket guide rails that cooperate with bracket sliders. The upper end of each bracket guide rail is provided with a stopping block. One end of a double-headed screw is fixedly connected to a first motor output shaft and is connected with the rear bottom plate through a second bearing seat. The other end of the double-headed screw is fixed to the rear bottom plate through the second bearing seat. The rear bottom plate below the double-headed screwis provided with two connecting rod guide rails. The lower surface is provided with a chute that cooperates with the connecting rod guide rails. Both ends of the upper side of the topmost photovoltaicbracket are provided with connecting plates. The two ends of a slide rod with the slider are fixed to the photovoltaic bracket through the connecting plates. The middle of the upper edge of the topmost photovoltaic bracket is provided with a photoelectric detection device, and the upper surface of the rear bottom plate is provided with a controller.

The invention provides a variable-foot pilot valve, pertaining to the field of mechanical technology. The invention is capable of settling the problems of existing variable-foot pilot valves such as poor flexibility, complex structure, difficult fabrication, etc. The variable-foot pilot valve comprises a valve body and a foot pedal arranged on the top of the valve body; the middle part of the foot pedal is hinged with the valve body; an oil inlet cavity and a oil return cavity which is communicated with the oil inlet cavity are arranged on the valve body; a piston rod component is arranged at both ends of the bottom of the foot pedal respectively; the piston rod component is set to correspond with oil holes, and capable of making the oil inlet cavity to communicate with or cut off from the oil holes; when one piston rod component is pressed by the foot pedal, the oil inlet cavity can be communicated with the oil outlet hole corresponding to the piston rod component; a quantity governing mechanism is arranged between the foot pedal and the piston rod component. The invention has the advantages of rational design, simple structure, high operation reliability, easy assembly, long service life, etc.

The invention belongs to the technical field of underground cave depot concrete lining construction equipment, and discloses an automatic telescopic operation platform for a large-span large-variable-span-range variable coating steel form trolley. An inside end face telescopic guardrail stand column and an outside end face telescopic guardrail stand column are arranged on the inner side and the outer side of an end face telescopic guardrail. An end face guardrail telescopic pipe is arranged over the end face telescopic guardrail. The inner side and outer side of the end face guardrail telescopic pipe are separately connected with the inside end face telescopic guardrail stand column and the outside end face telescopic guardrail stand column through bolts used for connecting the inside end face telescopic guardrail stand column and the end face guardrail telescopic pipe and bolts used for connecting the end face guardrail telescopic pipe and the outside end face telescopic guardrail stand column. The outside end face telescopic guardrail stand column is hinged to the inner side of a door through a rotary pair. The operation platform has the advantages of being large in span and variable-span range, high in automation degree, convenient to control and operate, stable and reliable in work performance and the like.

The invention discloses an insulated holding pole device for replacing a drop-out fuse and belongs to the field of auxiliary equipment of power construction. The insulated holding pole device comprises a holding pole. The holding pole comprises an upper pole body and a lower pole body, which are connected through a connecting piece. The top end of the upper pole body and the bottom end of the lower pole body are respectively provided with a wire clamper. The bottom end of the upper pole body is provided with an upper clamping piece; and the top end of the lower pole body is provided with a lower clamping piece. The connecting piece comprises an upper connector arranged at the bottom end of the upper pole body and a lower connector arranged at the top end of the lower pole body. The upper clamping piece is connected to the upper connector; the lower clamping piece is connected to the lower connector; an upper spring is arranged between the upper clamping piece and the upper connector; and a lower spring is arranged between the lower clamping piece and the lower connector. Through the upper spring, the upper clamping piece is allowed to have a certain pre-tightening force when fixingthe whole body, and through the lower spring, the lower clamping piece is also allowed to have a certain pre-tightening force when fixing the whole body, so that stability of the insulated holding pole device when wholly fixed to a cross-arm can be improved based on combination of the upper clamping piece and the lower clamping piece.

The invention provides a foot pilot valve, which pertains to the technical field of machinery and solves the problems of complex structure, difficult manufacture and poor dust-proof property, etc. in the existing foot pilot valve. The foot pilot valve comprises a valve body and a foot board arranged on the top of the valve body, the middle of the foot board is articulated on the valve body, the valve body is opened with an oil inlet cavity and an oil return cavity which are communicated with the oil inlet cavity, the oil return cavity is communicated with an oil return hole opened on the valve body, two ends of the bottom of the foot board are respectively provided with a piston rod arranged in the valve body, a piston rod reset mechanism is arranged between the piston rod and the valve body, the piston rod and an oil outlet hole are arranged correspondingly and can lead the oil inlet cavity and the oil outlet hole to be communicated or cut off, the lower end of the piston rod is provided with a pressure output hole, which can lead the oil inlet cavity and the oil outlet hole corresponding to the piston rod to be communicated when the piston rod is pressed down by the foot board. The foot pilot valve has the advantages of discharging the sundries produced in the manufacturing procedure and good seal performance.

The present invention relates to a structure for fixating a deck formwork, which can simply combine a strong, lightweight permanent formwork with a main bar or mold steel within concrete, and thus hasexcellent effects of being capable of improving constructability and reducing a construction period and construction costs. The structure for fixating a deck formwork, according to the present invention, is to install a deck formwork used as a permanent formwork for a concrete structure, and comprises a deck formwork which comprises a base flat plate and a protrusion comprising a connection unitformed in a plurality of rows along the longitudinal direction of the base flat plate to protrude from one side of the base flat plate in the vertical direction with respect to the base flat plate, and an expansion unit formed on one or both sides of the end of the connection unit to protrude; and a fixing bar combined with the deck formwork in the widthwise direction of the deck formwork, of which one side is combined with the expansion unit to fixate the deck formwork and the other side is combined with the main bar or the mold steel of the concrete structure.

The invention relates to a stable PVC floor which comprises a PVC base plate, wherein a cavity is formed in the PVC base plate, and a silencing layer and a buffering plate are sequentially arranged inthe cavity from top to bottom. The silencing layer comprises a first sound absorption board, and a first silencing board, a honeycomb board, a second silencing board and a second sound absorption board are sequentially arranged under the first sound absorption board from top to bottom, wherein a first silencing cavity is formed between the first sound absorption board and the first silencing board, and a second silencing cavity is formed between the second sound absorption board and the second silencing board. The buffering board comprises a rubber main body, a first air cavity and a second air cavity are formed in the rubber main body, and the first air cavity is arranged above the second air cavity. A stable bulge is arranged on one side of the PVC base plate. According to the stable PVC floor, the connecting strength between PVC floors is enhanced, the floors are prevented from being separated, and the PVC floor has noise reduction and buffering functions, so that the use of peopleis facilitated.

The invention discloses an exposure device and a method for minimally invasive operating room septal defects, and relates to the technical field of medical apparatus and instruments. The invention solves the cardiac injury caused easily in the process of stretching and exposing the ventricular septal defect, The technical scheme comprises a hand-held box, a tube fixedly connected with the hand-held box and a first air bag fixedly connected with the outer wall of the tube, wherein the first air bag is circumferentially arranged along the tube body; The hand-held box is provided with a syringe for storing normal saline, and the pipe is provided with a liquid infusion pipe which is respectively communicated with the syringe and the first air bag at two ends. The injection barrel is movably connected with a sealed piston, and the hand box is movably connected with an operation rod for driving the sealed piston to move, which has the effects of reducing heart injury and simplifying the operation of pulling and exposing the ventricular septal defect.

The invention discloses a handrail device. The handrail device comprises a first mounting plate, a second mounting plate, a first handrail pipe connected with the first mounting plate, a second handrail pipe, a third handrail pipe, and a fourth handrail pipe connected with the second mounting plate. The first handrail pipe is connected with one end of the second handrail pipe in a sleeved mode through a first energy absorption assembly, and the second handrail pipe can move in the axis direction of the pipe end connected with the first handrail pipe. The other end of the second handrail pipe is connected with one end of the third handrail pipe; the other end of the third handrail pipe is connected with the fourth handrail pipe in a sleeved mode through a third energy absorption assembly, and the third handrail pipe can move in the axis direction of the pipe end connected with the fourth handrail pipe. The invention further discloses an excavator. According to the handrail device, axialmovement in multiple directions can be achieved, the generation of internal stress is effectively reduced, and the risks of the cracking of welded joints and the cracking of connecting bolts are reduced.

The present invention relates to a connector and a protective tube module thereof, and a sheath. The sheath takes the direction of inserting the sheath into a connector as the front, and comprises aninsulation body, the insulation body is provided with a holding cavity configured to hold a protective tube, an operation handle configured to pull out the insulation body from the connector is movably assembled on the insulation body, the operation handle comprises a hiding position configured to hide the operation handle onto the insulation body and an extruding position extruded out of the insulation body to be pulled out by people in the reciprocating motion process, the operation handle comprises an operation portion configured to push the operation handle to move towards the hiding position, a stop locking structure configured to limit the operation handle at the hiding position is arranged between the insulation body and the operation handle, an elastic piece configured to apply anaction force to the operation handle to allow the operation handle to move towards the extruding position is arranged, and a stop blocking structure configured to prevent the operation handle and theinsulation body from being separated from each other is arranged. The connector and the protective tube module thereof, and the sheath ensure the operation stability, are easy and rapid and convenientto operate and simple in structure, has universality and do not need tools in the mounting and replacement processes.

The invention provides an automobile stripe silencing sheet and a preparation process, and relates to the technical field of silencing sheet production. The preparation process comprises the following steps: S1, coating one side of a metal plate base material with a rubber solution, and forming a rubber layer overlapped with the metal plate base material, wherein the rubber layer and the metal plate base material are matched with each other to form a metal composite plate; s2, vulcanizing the metal composite plate to obtain a vulcanized metal composite plate; and S3, roll coating, brush coating or dip-coating a graphite-based resin coating on the vulcanized metal composite plate, and arranging the graphite-based resin coating on the rubber layer in a striped manner to obtain the anti-scratching layer. According to the preparation process, the striped graphite-based resin coating can be processed on the rubber layer,so that the prepared silencing sheet has an anti-scratching effect, the metal composite plates are prevented from being stacked together in the product stamping process, burrs on the edges of a friction product are prevented from scratching the surface of the product in the packaging process, and the final forming quality of the product is improved. The silencing sheet is prepared by the process and has all the beneficial effects.

The invention provides an air deflector structure and an air conditioner. The air deflector structure comprises an air deflector, a frame and an inner lining board which are connected with each other,wherein the frame comprises a tongue part which is arranged between the air deflector and the inner lining board, a first clamp groove is formed in an inner side surface of the tongue part, and a first buckle matched with the first clamp groove is arranged on the inner lining board; the inner lining board is provided with a limiting edge, the air deflector is provided with a limiting groove matched with the limiting edge, and the air deflector is connected to an outer side surface of the tongue part in a covered manner. The tongue part is arranged on the frame, the limiting edge and the limiting groove which are matched with each other are arranged on the inner lining board and the air deflector respectively, the air deflector is connected with the outer side surface of the tongue part, finally, mutual fixation of the air deflector, the frame and the inner lining board is realized, the function of hiding a connected structure of the frame and the inner lining board is realized, and attaching force between the frame and the inner lining board can be increased.

Disclosed is a sucker type round plastic table top capable of being divided into N (N equals to 2...16) equal parts of sectors (or sectorial rings). According to the sucker type round plastic table top, the N equal parts of sectorial (or sectorial-ring-shaped) plastic components identical in area are spliced into a circle (or circular ring) by recessed-raised fastener structures, and can be overlapped after the table top is split. The sucker type round plastic table top has the advantages that inconvenience in use, collection and carrying due to shape, size, weight and the like of existing various known table tops is overcome, and the table top is convenient to use, collect and carry.

The invention discloses a waterproof heat-insulation composite board for a building. The waterproof heat-insulation composite board comprises a square fixing frame. A decoration panel fixedly adheresto the front side of the square fixing frame in a sealing mode with an adhesive. A mounting plate fixedly adheres to the back side of the square fixing frame in a sealing mode with the adhesive. A first waterproof board, a heat-insulation board and a second waterproof board are sequentially arranged in the square fixing frame from front to back. The invention further discloses a production methodof the waterproof heat-insulation composite board for the building. The production method comprises four steps. The waterproof heat-insulation composite board is simple in structure and has good waterproof and heat-insulation properties; the modular design is adopted so that the waterproof heat-insulation board can be prefabricated, the construction period can be effectively shortened, and the construction efficiency is high; and meanwhile, the construction difficulty is low, construction is convenient, and the application range is wide. The production method of the waterproof heat-insulationcomposite board for the building is simple in process step, scientific, reasonable, and easy to implement.

The invention discloses a mechanical processing platform for pipe fitting processing. The mechanical processing platform comprises an operation table, wherein supporting legs are fixedly connected tofour corners at the bottom of the operation table; a pushing device is arranged on the left side of the top of the operation table; a clamping device is arranged on the right side of the top of the operation table; the pushing device comprises a housing; and the bottom of the housing is fixedly connected with the top of the operation table. According to the mechanical processing platform disclosedby the invention, the operation table, the supporting legs, the pushing device, the clamping device, a protecting housing, a heat dissipation tank, a dust screen, an anti-friction mat, a supporting block, a limiting block, a connecting block, a fixed block, a through tank and a third bearing mutually cooperate, so that the problem that a familiar mechanical processing platform for pipe fitting processing is inconvenient to use is solved; and in the pipe fitting processing course, a moving manner of automatically pushing the pipe fitting is adopted, so that the pipe fittings do not need to bemanually pushed, the labor intensity of workers is reduce, time and labor are saved, the processing efficiency is improved, the production cost of the plant is reduced, and great convenience is brought to pipe fitting processing.

The invention relates to the technical field of capacitors, in particular to a digital power capacitor, which comprises a capacitor main shell, wherein a core is fixedly connected to the interior of the capacitor main shell, outgoing lines are symmetrically and fixedly connected to the two sides of the outer surface of the front end of the core, and sealing mechanisms are symmetrically and fixedly connected to positions, close to the outgoing lines, of the outer surface of the front end of the capacitor main shell. According to the invention, the purpose of resin adhesive outflow is achieved by controlling sliding of a sliding plate, so that a fixing sleeve and a wiring pipe are bonded; and when a resin and a plastic insulation protection layer of an outgoing line are separated under the action of external factors such as stress and the like, treatment can be conducted in time, so that the sealing effect of the device is improved, the stable connection between the fixing sleeve and the outgoing line is ensured, the fixing effect on the outgoing line is improved, the situation that the outgoing line and the core are separated from each other due to the looseness of the outgoing line is prevented, and the service life of the capacitor is prolonged.

The invention discloses a modular anti-seismic connecting part, and relates to the technical field of fabricated building seismic resistance. The modular anti-seismic connecting part comprises a firstbase and a second base which are connected in an inserted mode, the first base is further provided with a first inserting end, and a second inserting groove is correspondingly formed in the second base. The modular anti-seismic connecting part further comprises a limiting piece arranged on the end part of the first inserting end, a limiting groove correspondingly formed in the second inserting groove so as to accommodate the limiting piece and a first elastic piece arranged between the first base and the second base. The second base comprises a second upper base provided with the second inserting groove, a second lower base inserted into the second upper base and a second elastic piece connected between the second upper base and the second lower base. Flexible connection is mainly adopted, rigid connection is adopted as an auxiliary, earthquake force transmitted to the fabricated structure from an original wall body is relieved and weakened, and internal products in a functional areain the fabricated building are protected.