201results about How to "Make the most of the interior space" patented technology

The invention discloses a focusing camera module. The focusing camera module comprises a substrate, The camera comprises a substrate, a support, a lens, a photosensitive chip and a piezoelectric deformation assembly, the support is fixed on the substrate, the lens is fixed on the support, the photosensitive chip is arranged in the support and is opposite to the lens, and the piezoelectric deformation assembly is arranged between the photosensitive chip and the substrate. According to the scheme, the problem that an existing focusing camera module is large in size can be solved. The invention also discloses terminal equipment.

The invention relates to a novel commercial remote sensing satellite configuration layout. The novel commercial remote sensing satellite configuration layout comprises a hollow satellite structure (4) in a regular pentagon stand column manner, a body-mounted solar wing (3) and unfolding solar wings (2,6 and 7); and the satellite structure (4) further comprises a base plate (402), five same side plates (403-407), a camera installation plate (409) and a truss structure (408). According to the novel commercial remote sensing satellite configuration layout, factors such as a main load camera machine connector, the satellite main structure manner, the solar wing installation layout and the electronic equipment installation layout are comprehensively considered, and comprehensive optimization design is carried out, miniaturization, light weight, small rotational inertia and good final assembly operation of a satellite can be achieved on the basis that the effective load and the platform equipment installation layout requirement are met, and the satellite in-orbit application requirement is met.

The invention relates to a disinfection device and a disinfection cabinet with same. The disinfection device comprises an ultrasonic lamp tube, a surface plate, a screw rod, a gear, a driving part anda rack. As the ultrasonic lamp tube is arranged on the surface plate in a moving manner through the screw rod, the gear, the driving part and the rack, when the disinfection cabinet with the disinfection device provided by the invention is used, the screw rod is driven by the driving part to rotate, then the gear is driven to move in a length direction of the screw rod, furthermore the ultrasoniclamp tube on the gear is moved in a translation manner within a certain range on the surface plate, meanwhile, the gear is driven by the rack meshed with the gear to revolute in the translation process, that is, the ultrasonic lamp tube of the disinfection device has composite movement of translation and rotation, then ultraviolet rays are uniformly distributed in the disinfection cabinet, and the disinfection effect can be improved; in addition, as the ultraviolet rays are uniformly distributed in different positions of the disinfection cabinet, components to be disinfected can be effectively disinfected even when being placed at corners of the disinfection cabinet, and the space inside the disinfection cabinet is sufficiently utilized.

The invention discloses a medical portable syringe needle recoverer for clinical usage. The recoverer includes a splint device, a syringe needle pulling device and a syringe needle collecting device, wherein the splint device includes a rack base, two support plates symmetrically arranged above the rack base and two splint fixing mechanisms which are symmetrically and fixedly arranged on the inner sides of the upper portions of the two support plates respectively and used for fixing and clamping a needle cap in a syringe needle assembly; the rack base is successively provided with the syringe needle pulling device and the syringe needle collecting device which are positioned under the two splint fixing mechanisms from top to bottom, the syringe needle pulling device is used for clamping and pulling out a metal syringe needle fixedly inserted in the bottom of the needle cap, and the syringe needle collecting device is used for collecting the metal syringe needles pulled out by the syringe needle pulling device. The medical portable syringe needle recoverer for the clinical usage has the advantages of being small in overall occupied space, convenient to carry, high in automation degree, convenient to operate and use, environment-friendly and capable of well recovering the medical syringe needles alone.

The invention discloses a stator permanent magnet type double-rotor magnetic field modulation motor and a design method thereof. The stator permanent magnet type double-rotor magnetic field modulationmotor comprises a stator, an inner rotor and an outer rotor. The stator is arranged between the two rotors. Permanent magnets are embedded in the yoke part of the stator in the radial manner. The magnetizing direction of the permanent magnets is tangential to the circumference, and the N poles and the S poles of the permanent magnets are alternately arranged. The difference between the positionsof the inner rotor and the outer rotor is half of the polar distance of the two rotors, while the rotating directions and the rotating speeds of the two rotors are the same. The armature winding of the motor adopts the concentrated winding mode. According to the invention, two motors with double salient pole structures are combined, and the magnetic chains of the same phase coil are complementary.The single-coil magnetic chain of the motor is unipolar, and the magnetic chain of the synthetic winding is bipolar. The structure of the motor has the magnetic field modulation effect, so that the motor has higher counter electromotive force and torque performance compared with a conventional salient pole structure motor. After the armature is loaded, the generated armature magnetic field does not pass through the permanent magnet. Therefore, the permanent magnet is prevented from demagnetizing due to over-large current. The rotors of the motor are formed by laminating silicon steel sheets with salient pole structures only, so that the good robustness is achieved.

The invention discloses a separating device for pulp and seeds of taxus chinensis and belongs to the field of a fruit processing separating device. The separating device comprises a feeding hopper, a separating box, a fruit residue output pipe and a seed output pipe, wherein a conveying belt mechanism, a roller mechanism and a separating mechanism are successively arranged in the separating box from top to bottom; the roller mechanism comprises a slide rail and a right driving wheel, a first roller shaft and a second roller shaft which are distributed in the form of equilateral triangle; the right driving wheel matches with the first roller shaft for extruding the fruit and also is used for driving the conveying belt; the first roller shaft and the second roller shaft match with each other for extruding the fruit; the slide rail is matched with the second roller shaft for extruding the fruit and also is used for conveying the extruded fruit; and the separating mechanism is used for respectively outputting the fruit and the seeds. The separating device for pulp and seeds of taxus chinensis has an excellent working effect and high working efficiency; the separating device also can directly acquire the pulp and the seeds, can promote the degree of automation and can further save labor force; and the structure is compact, the structure design is reasonable and smart, the inner space of the device is fully utilized and the area occupied by the device is reduced.

The invention provides a container type power station which comprises a box body which is divided into an electrical equipment cabin and a generator set cabin, wherein the two sides of the generator set cabin are each provided with a shutter; a diesel generating set which is arranged in the generating set cabin, wherein the generating set cabin is provided with an exhaust assembly, the exhaust assembly comprises a first air outlet, a water cooler and a cooling fan, the first air outlet is formed in the top of the box body, and the water cooler is arranged in the air outlet direction of the cooling fan; and an electrical equipment component arranged in the electrical equipment cabin, wherein the electrical equipment cabin comprises an air conditioning unit, the electrical equipment component is communicated with the air conditioning unit through a second air inlet, and the second air outlet is communicated with the outside of the box body. The heat dissipation structures of the generating set and the electrical equipment are independently designed, the structure in the container is reasonably arranged, the internal space of the container body is fully utilized, the generating set and the electrical equipment are reasonably and separately cooled, the generating set and the electrical equipment can be effectively cooled, and meanwhile, the energy utilization rate is improved.

The invention provides a multifunctional high-cleanness air purifier, and relates to the field of air purifiers. The multifunctional high-cleanness air purifier comprises a shell, a filter screen set, a water washing air net, a constant temperature sterilization layer set, a wind wheel, a motor, a water tank and a microcomputer controller, wherein the filter screen set, the water washing air net, the constant temperature sterilization layer set, the wind wheel, the motor, the water tank and the microcomputer controller are arranged in the shell. The filter screen net comprises a front filter screen, a formaldehyde deodorization filter screen, a high-voltage static net, an activated carbon filter screen and an HEPA filter screen, wherein the front filter screen, the formaldehyde deodorization filter screen, the high-voltage static net, the activated carbon filter screen and the HEPA filter screen are arranged in parallel. The constant temperature sterilization layer set comprises an infrared ray generator, a photocatalyst sterilization layer, an ultraviolet lamp sterilization layer and an anion filter layer. The multifunctional high-cleanness air purifier is provided with the filter layers with different functions, can process air in multiple aspects such as dust removal, formaldehyde removal, deodorization, sterilization, constant pressure keeping and constant humidity keeping, is high in purification rate and saves space due to reasonable installation and arrangement of all components.

The invention discloses a novel door lock for washing machines. When a rotating cam rotates to a locking position under the action of other parts accidentally inserted into an insertion hole, a rotation actuator rotates under the action of a third biasing member and pushes a limit slider to slide; a butt portion of the limit slider is not abutted for limiting, and a sliding distance is larger than that of a door hook when locked in; the limit slider slides towards the insertion hole further under the action of the driving end of the limit slider till a front protrusion of the limit slider is abutted to the rotating cam, and the rotating actuator rotates to an actuating failure position; an electric controller which controls startup of a washing machine cannot be actuated to start up, and the washing machine cannot start operating. Therefore, by the use of the novel door lock with the structure, the electric controller of the washing machine cannot be switched on and the washing machine cannot start operating even after the rotating cam is accidentally rotated to the locking position, and the problems that a washing machine door is unclosed while the electric controller of the washing machine is started and accidental injury is caused to people, especially children, are solved.

The invention discloses a detergent delivery device of a washing machine and the washing machine, relates to the technical field of washing, and aims to provide the washing machine making full use ofinternal space position and having a detergent delivery function. The detergent delivery device of the washing machine comprises a liquid storage system and a delivery system, wherein the liquid storage system is used for storing a detergent; the delivery system is used for delivering the detergent flowing into the delivery system into a drum of the washing machine, and an inlet of the delivery system is communicated with an outlet of the liquid storage system through a bendable pipe. The detergent delivery device of the washing machine and the washing machine are used for improving user experience comfort.

The invention relates to a culture dish. The culture dish comprises a base plate and a top cover the diameter of which is slightly smaller than that of the base plate, wherein the bottom surface, close to the side wall, inside the base phase is provided with a plurality of lugs; the bottom surface inside the base phase is also provided with a protruded inner ring; when the top cover is covered inthe base plate, the side wall of the top cover is arranged between the inner ring and the side wall of the base plate; and a gap is reserved between the top of the inner ring and the top surface inside the top cover, and the gap is larger than thickness of a culture medium. The culture dish is simple in structure; the inner space of disposable culture dish is fully utilized, thus the utilization rate of the disposable culture dish is improved, namely the cost is reduced, so that the culture dish is environmentally-friendly and saving; and the culture environments of the base plate and the topcover are consistent, and the interior humidity of the culture dish is constant.

The present invention addresses the problem of further reducing the overall height and at the same time ensuring preferable spring property at the time of deflation in an air spring for a vehicle using both an external stopper and an internal stopper each having spring property. Disclosed is an air spring for a vehicle, wherein an internal stopper (6) is provided inside a diaphragm (4) and a concave portion (8) formed on an inner tube (3) is placed inside an external stopper (5) to overlap the external stopper (5) in the height direction by the length (L). In an embodiment, the concave portion (8) is provided with an inverted conical peripheral wall (8-1) and a bottom wall (8-2), a pressing plate (7) is provided with an inverted conical load application surface (9a) in a vertically suspended manner, an inverted conical semi-shear stopper is provided as the internal stopper (6), and an inside diameter surface (fi) and an outside diameter surface (fo) of the semi-shear internal stopper (6) are fixed on the load application surface (9a) and on an inner surface of the peripheral wall (8-1), respectively.

The invention relates to a manual pressing structure for a double-rotation paint mixing machine, which is characterized in that: the upper top cover of the mixing machine is internally provided with a manual rotating pressing component, the pressing component comprises pressing discs, a rotating shaft base, rotating shafts of the pressing discs, the rotating shafts of the pressing discs penetrate through the rotating shaft base, the top ends of the rotating shafts of the pressing discs are fixedly connected with the pressing discs, the lower ends of the rotating shafts of the pressing discs are provided with pressing shifting components, pressing driving wheels are provided with shifted components which are in overlap joint with the shifting components, and when the upper top cover is fully opened, the pressing driving wheels match with the rotating shafts of the pressing discs coaxially. By pushing and pulling the upper top cover, the shifting connecting matching structures can be combined and separated smoothly, and by rotating the pressing discs to drive the pressing driving belt wheels to rotate, the upper pressing disc and the lower pressing disc can move oppositely, thus a colored paint barrel can be pressed and opened without using a special separable pressing wrench. The manual pressing structure is convenient to use and is safe and reliable in structure.

The invention discloses a bank note placing and taking method for a lower box of an automatic teller machine (ATM) and a lower box structure. Bank notes are arranged on a conveying channel above a plurality of bank note boxes transversely, a bank note inlet / outlet is arranged on top of each bank note box, the bank note boxes are arranged vertically, and the bank notes arranged in the bank note boxes vertically are placed in stacking mode vertically. The lower box structure comprises a machine frame, a conveying belt, a conveying channel of the bank notes, a plurality of bank note boxes and a plurality of guiding blades. The plurality of bank note boxes are arranged vertically and arranged on a machine support transversely and parallelly, the bank note inlets / outlets of the bank note boxes are arranged on top of the bank note boxes, openings face upwards, and the guiding blades are arranged above the bank note inlets / outlets. The conveying belt is arranged above the guiding blades along the arranging direction of the bank note boxes, the conveying channel of the bank notes is arranged between the conveying belt and the guiding blades. The bank note placing and taking method for the lower box of the ATM and the lower box structure simplify bank note box structure, fully use internal space of a deposition and withdrawing integrated machine, bank note containing quantity of the device is increased, machine emptying and bank note adding frequency is reduced, and use efficiency of the ATM is improved.

The invention relates to an input device of a flat computer. The input device of the flat computer comprises a base and a contact switch; the contact switch comprises a contact element and a power switch; the contact element is pivoted on the base and exposed on the upper surface of the base, and the flat computer can enable the contact element to move to a trigger position from an initial position when the flat computer is placed on the base, thereby pressing and turning on the power switch. The input device of the flat computer fully utilizes the space of the base, so that a user can utilize the contact element arranged inside the base and exposed on the upper surface of the base, so as to achieve the function of controlling the power switch of the input device.

The invention discloses a pneumatic quick stacker crane for a container. An existing stacker crane is complex in structure and low in stacking efficiency. A roller platform is arranged at a front portion of a frame of the pneumatic quick stacker crane; a transverse box pushing mechanism transversely pushes packaging boxes conveyed by a conveyor belt mechanism on the roller platform; a longitudinal pushing mechanism comprises a lead rod guide rail sliding table, a longitudinal push plate, and two equal-height sliding plates arranged with a distance therebetween; the two ends of each sliding plate are fixed with sliding tables of two lead screw guide rail sliding tables of an elevator mechanism; a guide rail of the lead rod guide rail sliding table of the longitudinal pushing mechanism is fixed with the two sliding plates; the longitudinal push plate is fixed with a sliding table of the lead rod guide rail sliding table of the longitudinal pushing mechanism and a sucker mechanism; a lead screw of the lead rod guide rail sliding table of the longitudinal pushing mechanism is driven by a servo motor. The conveyor belt mechanism and the transverse box pushing mechanism of the pneumatic quick stacker crane for the container are capable of continuously conveying the packaging boxes to the roller platform, thereby improving the box conveying efficiency; after the packaging boxes are gathered into a row, all the packaging boxes are sucked up by the sucker mechanism and once conveyed into the container by the longitudinal pushing mechanism, and therefore, a stacking speed is increased.

The invention relates to an inner-ring upright four-axis stable platform, comprising an outer orientation swing mechanism, an outer luffing swing mechanism, an inner orientation swing mechanism and an inner luffing swing mechanism, wherein the upper end of the outer orientation shaft is provided with an outer orientation servo motor with pinions which are engaged with rack wheels fixed on the outer orientation shell; the outer luffing swing mechanism comprises an outer luffing seat, wherein a left luffing supporting arm is fixed on the left of the outer luffing seat and a right luffing supporting arm is fixed on the right of the outer luffing seat; a luffing ball shell is rotatably connected with the left luffing supporting arm and the right luffing supporting arm; and the inner orientation swing mechanism and the inner luffing swing mechanism comprise an inner luffing supporting arm, wherein the lower part of the inner luffing supporting arm is provided with an inner orientation motor, the upper part of the inner luffing supporting arm is provided with an inner orientation angle measurement element, and the left side and the right side of the middle part of the inner luffing supporting arm are respectively provided with an inner luffing angle measurement element and an inner luffing torque motor. The invention has the advantages of high-precision four-axis stability, compact structure, big payload, easy installation and maintenance, and the like.

The invention discloses a water dispenser. The water dispenser comprises a shell; an inner container arranged in the shell and dividing the interior of the shell into a storage cavity and a mounting cavity, wherein a water receiving area which is opened forwards is formed in the front side wall of the storage cavity, and the water receiving area is provided with a water outlet nozzle; and a middlesupport integrated module installed in the mounting cavity and located below the storage cavity, wherein the middle support integrated module is communicated with the water outlet nozzle. According to the water dispenser, the storage cavity is formed in the rear side of the water receiving area, and the middle support integrated module and a water bucket are placed in the mounting cavity, so thatthe internal space of the shell can be fully utilized, and a user can place articles conveniently.

The invention discloses a bowl basket of a sink dish-washing machine and the sink dish-washing machine adopting the bowl basket. The bowl basket comprises a bowl basket body, wherein the bowl basket body has accommodating space with the open top, handles are arranged on the top of the bowl basket body, and at least two groups of support legs are arranged on the bottom of the bowl basket body; a bowl rack unit and a plate rack unit are arranged in the accommodating space of the bowl basket body, the plate rack unit comprises two plate rack bodies which are arranged side by side, the two plate rack bodies are rotatably connected to the inner bottom wall of the accommodating space, each plate rack body comprises a rotation rod and a plurality of baffle rods fixedly connected to the rotation rod and distributed at intervals along the length direction of the rotation rod, and space for placing a plate is arranged between each two adjacent baffle rods; and two angle adjusting mechanisms corresponding to the two plate rack bodies are arranged on the inner side wall of the accommodating space. The bowl basket of the sink dish-washing machine is simple in structure, convenient to use, and flexible in adjustment, no noises exist, and the inside space can be sufficiently utilized.

The invention provides a reset mechanism of a dual-breakpoint breaker. The reset mechanism comprises a U-type jump fastener, wherein two side arms of the jump fastener are rotatably arranged on the inner sides of two side plates. The jump fastener is matched with a transmission mechanism of a breaker and a releasing mechanism. The reset mechanism is characterized by further comprising a reset spring penetrating through a positioning shaft, the positioning shaft is fixed between the two side plates and comprises two torsion springs in a connected mode, the connecting portion of the two torsion springs serves as the fixing end of the reset spring and is limited on a fixing face, and two leg portions of the reset spring are connected with the two side arms of the jump fastener. According to the reset mechanism, the jump fastener and the reset spring are arranged in a non-coaxial mode, and the reset spring comprises the two torsion springs, so that the reset spring can be well matched with the two side walls of the jump fastener. On the condition that the reset mechanism works normally, pressure of a contact system is not increased, pull force of a main pull spring is not increased, and the break speed of a plastic shell type breaker is increased.

The invention relates to a full-process automatic tree planting method. The method is applied to a tree planting robot, and the tree planting robot comprises a movable rack, a watering mechanism, a pit drilling mechanism, a grabbing mechanism, ridging mechanisms and an earth ramming mechanism. The movable rack comprises a base, a sapling placement box and a water tank. The watering mechanism comprises a water pump, an electromagnetic valve, a flowmeter and a waterway pipeline. The pit drilling mechanism is used for drilling a pit for accommodating the root of a sapling into soil under the pit drilling mechanism. The grabbing mechanism is used for grabbing the saplings from the sapling placement box and adjusting the postures of the saplings in the operation interval and lowering the saplings. The two ridging mechanisms are used for pushing soil on the two sides of the lower end of the operation interval to the central area of the lower end of the operation interval. The tree planting method comprises the following steps: 1, digging holes; 2, grabbing the saplings; 3, transferring the saplings into the pits; 4, earthing up; 5, ramming earth; and 6, watering. According to the method, the full-flow automatic tree planting operation is achieved, compared with existing agriculture and forestry planting machinery, the workload of operators is greatly reduced, and the tree planting efficiency is improved.

The invention discloses a wireless mouse comprising an electrical storage device, a bottom case, a connecting bar, a press key, an elastic element, a gear driving device and a driving generating set, wherein, one end of the press key is hinged on the bottom case, and the other end forms a free end; one end of the elastic element is fixed on the bottom case, and the other end is fixed on the free end; the gear driving device is hinged with the press key via the connecting bar; the application and revocation of the pressure on the free end ensures that the connecting bar drives the gear driving device to finish circular motion; the driving generating device and the gear driving device are in driving connection, and the kinetic energy of the gear driving device is converted to electric energy and is stored by the electrical storage device. The wireless mouse overcomes the troubles of batteries, fully utilizes the inner space of the wireless mouse and conforms to environment protection requirements.

The invention discloses a hybrid excitation permanent magnet brushless motor for an electric vehicle. A rotor is internally embedded with an inner layer of permanent magnetic steels and an outer layer of permanent magnetic steels distributed uniformly along the circumferential direction; V-type NdFeB permanent magnetic steels are in the outer layer; spoke-shaped ferrite permanent magnetic steels are in the inner layer; the two kinds of permanent magnetic steels are located on the same pole; the NdFeB permanent magnetic steels and the ferrite permanent magnetic steels are symmetrical about the central axis of the pole; the V-type openings of the NdFeB permanent magnetic steels face the ferrite permanent magnetic steels; each NdFeB permanent magnetic steel is composed of a first NdFeB permanent magnetic steel and a second NdFeB permanent magnetic steel which are the same and are symmetrical about the central axis of the pole; and the top parts of the V-type openings of the NdFeB permanent magnetic steels and the outer ends of the ferrite permanent magnetic steels are directly fixedly connected. by adopting a rare earth permanent magnetic steel and ferrite hybrid excitation mode, parallel connection of the two kinds of permanent magnetic steel main magnetic circuits is realized, and torque density and power density of the motor are further improved.

The invention provides a battery structure with a cover cap bracket. The battery structure comprises a shell, a battery core and a cover cap, wherein the shell is used for mounting a part and is of ahollow cylindrical structure with an opening in one end, the battery core is arranged in the shell and is used for providing electric energy, the cover cap is arranged at the opening at one end of theshell and is used for sealing the opening of the shell and leading out the electrode of the battery core, and a bracket for supporting the cover cap is arranged in the shell. According to the batterystructure with the cover cap bracket, the bracket for supporting the cover cap is arranged in the shell, so that the assembly process of the battery is simplified, the structure of the shell is optimized, the shell can accommodate a large-capacity battery core, the overall capacity of the battery structure is increased, and the practicability of the battery is improved.

The invention discloses a traction machine for an elevator. The traction machine for the elevator comprises a motor, a collecting ring assembly, a fixed frame and a rotary frame. The collecting ring assembly comprises a plurality of conducting rings and a plurality of electric brushes. Each electric bush mutually contacts each corresponding conducting ring. The fixed frame comprises a fixed machine seat and a main shaft. The main shaft and the fixed machine seat are connected fixedly with each other. An electric brush installing part is arranged on the fixed frame. The plurality of electric brushes are arranged fixedly on the electric brush installing part. A rotor coil of the motor is connected electrically with the electric conducting ring through an electric conductor. The function of delivering electric power to the rotor coil is achieved by the conducting ring, the electric brushes and the electric conductor. According to the traction machine for the elevator, permanent magnetic steel with high cost is saved and cost of the traction machine is reduced obviously. The electric brushes and the conducting rings are arranged near the hollow portion of the main shaft so that inner space of the traction machine is fully used, the axial thickness of the complete machine is reduced so that the complete machine is thinned and applicable to an elevator with a small motor room or no motor room and the like and with requirement of thin traction machine.

The invention discloses a class 2 solid-state relay with a split-level structure. The class 2 solid-state relay comprises an upper-layer printed board, a lower-layer heat dissipation bottom board, a ceramic substrate, a flow guide column, four lead-out rods, an input control circuit and an output power circuit; the input control circuit comprises an input preceding-stage thick film circuit, a magnetic isolator and an input backward-stage thick film circuit. Through reasonable optimization design of distribution of the solid-state relays, the input preceding-stage thick-film circuit and the input backward-stage thick-film circuit are arranged on the front side and the back side of the upper-layer printed board respectively, so that the two thick-film circuit boards form physical isolation;meanwhile, the input control circuit is arranged on the upper-layer printed board, the output power circuit is arranged on the lower-layer heat dissipation bottom board, and the input control circuitelectrically controls the output power circuit through the flow guide column, so that effective isolation is formed, and the electrical interference phenomenon is avoided.

A cabinet lock control structure includes a cabinet body, which has a track arranged on the internal face and is passed through by a plurality of drawers; a transmission member, arranged inside the cabinet body; a transmission portion, which is formed on one end of the transmission member; an action member, which is pivotally arranged on the track-arranged internal face of the cabinet body; a motion aperture, which is arranged on one end of the action member; a motion portion, which is arranged on the other end of the action member; and a restriction member, which is slideably arranged in thetrack and has a hook portion to lock the drawers by hooking. Besides, the transmission portion of the transmission member passes through and is pressed against the motion aperture of the action member. When the driving member rotates, the transmission portion pushes the action member to the top to perform a swing movement. Further, the restriction member is connected with the motion portion of the action member so that the restriction member,linked to the action member, shifts up and down along the track when the action member swings, thereby to control the locking states of the drawers.

The invention provides a material loading manipulator based on a fischer model. A motor M1 drives a rotating table to rotate, a motor M2 drives opening and closing of the manipulator, and operation time of the manipulator is accurately positioned via control programs so as to ensure that the manipulator completes the whole material loading process. A problem of conversion of rotation in a horizontal direction to movement in a vertical direction is solved by utilizing a worm gear and rod drive mode. The whole material loading manipulator accurately rotates to a workpiece stacking place to clamp a workpiece under the control of PLC programs, and the rotating table rotates to a position at which the workpiece is placed and puts down the workpiece and rotates back to the initial position. The material loading manipulator is easy to operate and low in weight and can be repeatedly disassembled and assembled so that the objectives of teaching demonstration and cultivating of students' practical abilities can be achieved, and thus the material loading manipulator is quite vivid.

The invention discloses a power supply device which comprises a first power conversion device and a second power conversion device which is arranged outsides the first power conversion device and is electrically connected with the first power conversion device, wherein the first power conversion device is used for converting voltage of household electricity to first direct current voltage and transferring the first direct current voltage to the second power conversion device, and the second power conversion device is used for converting the first direct current voltage to at least one second direct current voltage and outputting the second direct current voltage. In the power supply device, compared with the power supply device in the prior art, the volumes of the first power conversion device and the second power conversion device which are arranged in a split way are relatively reduced, and the first power conversion device and the second power conversion device can be respectively installed at different positions in a crate so that the internal space of the crate is fully utilized; and furthermore, when the power supply device is detected, the first power conversion device and the second power conversion device can be respectively detected, and therefore, fault judgment is easier, and the detection process is very convenient.