359results about How to "Easy to push and pull" patented technology

The present invention relates to a multi-purpose traveling luggage which comprises a case body with an associated cover at front and a backboard in the back. When the luggage is positioned in an erect position, the outer comers at the bottom of the associated cover has two caster wheels and the lower portion of the backboard is connected to a pair of leg supports. The lower portions of the leg supports comprise a pair of leg wheels, and the upper portions of the leg supports are connected to the outer edges at the midportion of the backboard. There is a pair of drive rod members having their lower portions connected to the lower outer edges of the backboard and their upper portions connected to each other by a connecting rod member. The drive rod members are connected to the leg supports through the engagement of elongated scissor grooves on the leg supports and scissor pins on the drive rod members. Thereby when the drive rod members are in the open position, they form a scissor-like support frame with the leg supports. The drive rod members telescopically receive a pair of extension rods which are united by a handle bar for handling the support frame on the casters and the leg wheels. The two distal ends of the connecting rod member are encased in two casing tubes which can rotate on the connecting rod member pivotally. In the first embodiment, there is provided for a connecting board which is attached to the casing tubes and which can be flipped on top of the case body and be used as a cart for carrying goods. In the second embodiment, there is provided for an article carrying board which at one end is pivotally connected to the top of the backboard and the front end comprises a U-shaped hook. Such a U-shaped hook and be flipped over and locked in onto the connecting rod member so as to form a sturdy structure for carrying goods.

The invention relates to a step slope inter-exchange passage, which consists of a slant sub-base, rails, an angular terrace surface, a power rod, a motor and a reducer, wherein the angular terrace surface is hinged with the slant sub-base, is movably connected with the rails and is connected with a power rod gear, and the motor drives the power rod to rotate through the reducer, so a longitudinal gear drives a turnover gear to rotate so as to transform the step passage or the slope passage. Only one slant sub-base is required to be arranged between two working surfaces with fall, and the step passage is transformed to the slope passage through a control switch so as to be convenient to push and pull different trolleys. Therefore, the step slope inter-exchange passage has simple and reasonable structure and convenient operation, can save the field space, and can reduce the expense.

The invention discloses a mechanical patient transferring trolley and belongs to the field of special patient transportation tools. The mechanical patient transferring trolley comprises an upper trolley frame, a middle trolley frame, a lower trolley frame, a lifting device arranged between the lower trolley frame and the middle trolley frame, an overturning device arranged between the middle trolley frame and the upper trolley frame, a horizontal moving device arranged on the upper trolley frame and multiple sliding carrying plates which are mutually isolated. A scissor jack is used for ascending and descending the upper trolley frame and the middle trolley frame. A screw nut pair is used for overturning the upper trolley frame. A horizontal guide rail and a rolling bearing are used for horizontally moving the sliding carrying plates which are used for flexibly transferring a patient. The mechanical patient transferring trolley is flexible and convenient to operate, small in number of nursing personnel, needless of greatly moving the patient and capable of avoiding secondary injury in the patient transferring process and has the advantages of being simple in structure, low in cost, convenient to maintain, stable in operation and low in noise.

The invention relates to the technical field of a pure battery box of an electric automobile, and particularly relates to a pure battery box of an electric automobile suitable for replacing a battery mode. A main power battery box is formed by connecting each side board into a whole; the upper part of the main power battery box is connected with a top board; a roller is arranged on a bottom board; a back side board is connected with a pull rod and battery power supply jacks; a power battery pack is arranged in the main power battery box; buffer isolating insulating rings are arranged among all single power batteries; the main power battery box is arranged in a sealing bracket of the power battery pack on the tail of an electric automobile; according to the invention, the main power battery box can be flexibly loaded and unloaded; and heat radiating holes are designed around the battery box, which is convenient for eliminating heat in time. According to the invention, the battery box of the electric automobile is specified; the connection between the battery box and the pure electric automobile is convenient for loading and unloading, is reliable for work and has anti-deformation and anti-vibration capability; simultaneously, impact, pollution, exposure to sunshine and soak in water are avoided; and the scale and commercial development of the pure electric automobile can be promoted.

The invention belongs to the technical field of medical instruments and particularly relates to a transfusion nursing device for neurology. The transfusion nursing device comprises a transfusion support, a transfusion pipe fixing device and an arm fixing device. The transfusion support comprises a base and a support rod. A hook and two sliding sleeves are arranged on the support rod, and the two sliding sleeves are fixed on the support rod through a bolt and are connected with the transfusion pipe fixing device and the arm fixing device respectively. The transfusion pipe fixing device comprises a transfusion pipe fixing plate provided with a transfusion pipe fixing sleeve. The arm fixing device comprises an arm press plate and an arm support plate, an elastic arc-shaped fixing plate is arranged between the arm press plate and the arm support plate, an arm fixing belt is respectively arranged on the arm press plate and the arm support plate, and a hasp is respectively arranged on the end portions of the arm fixing belt. The transfusion nursing device is reasonable in design, facilitates transfusion and saves time and labor.

The invention relates to an electric welding machine with an excellent radiating function. The electric welding machine comprises an electric welding machine outer shell. Radiating ports are formed in the front side face of the electric welding machine outer shell. Protective nets are mounted on the outer surfaces of the radiating ports. A handle is mounted on the upper surface of the electric welding machine outer shell. A pull rod storage groove is embedded in the upper surface of the electric welding machine outer shell. The front side face and the rear side face of the electric welding machine outer shell are provided with radiating holes. An electrode holder hanging groove is connected with the rear side face of the electric welding machine outer shell. An electric wire storage groove is mounted in the right portion of the electrode holder hanging groove. A storage groove cover is connected with the outer side of the electric wire storage groove. A rainproof groove is formed in the right side face of the electric welding machine outer shell. A control panel is mounted in the rainproof groove. The electric welding machine with the excellent radiating function adopts the design of the radiating ports, a water cooling structure, rolling wheels, a pull rod, the pull rod storage groove, a supporting plate and the rainproof groove, heat can be dissipated conveniently, electric leakage of the electric welding machine can be avoided, and heat can be prevented from being accumulated in the electric welding machine.

The invention provides a multifunctional foldable and portable bicycle comprising a bicycle frame, handlebars, a front wheel, a saddle, a back wheel, a driving mechanism and a support, wherein the handlebars are rotationally arranged at the front end of the bicycle frame; the front wheel is installed at the lower ends of the handlebars and can be folded and contained at one side of the bicycle frame; the saddle is installed on the bicycle frame; the back wheel is installed at the back end of the bicycle frame and can be folded and contained at the other side of the bicycle frame; the driving mechanism is arranged below the bicycle frame; and the support is movably connected to the bicycle frame, and the free end of the support is provided with a support wheel. By adopting the circular bicycle frame as well as an inner bag device and an outer bag device, the multifunctional foldable and portable bicycle has fashional and attractive appearance, can be convenient for people to carry children and personal articles and is more convenient for people to travel; when the multifunctional foldable and portable bicycle is folded, the front wheel and the back wheel can be folded and arranged in the bicycle frame in parallel, the folded bicycle is contained in the outer bag so that the external integral attractive appearance is improved, and the bicycle is beneficial to pushing and pulling by using the support wheel for sliding and is convenient to carry. In addition , the invention can be ridden by adopting a bicycle mode and can also be ridden through installing the driving mechanism in an electromotor mode, the driving mechanism has the function of self generation and can be used for emergently charging other carried electric equipment, and therefore, the multifunctional foldable and portable bicycle is more practical and convenient and is beneficial for long-distance riding.

The invention discloses an intelligent wardrobe facilitating height adjustment. A wardrobe body is included, a first bearing is fixedly embedded in the inner top wall of the wardrobe body, a second bearing is fixedly embedded in the inner bottom wall of the wardrobe body, a threaded rod is placed in the wardrobe body, the outer surface of the threaded rod is fixedly connected with the inner ring of the first bearing and the inner ring of the second bearing, and two separation plates matching with the wardrobe body are placed in the wardrobe body. According to the intelligent wardrobe facilitating height adjustment, by the arrangement of hinges and by cooperatively using a sealing door and a handle, the convenience of the opening and closing of the wardrobe is effectively enhanced; by the arrangement of grooves and by cooperatively using drawers and through holes, the placement of air purifiers into the wardrobe can be more convenient to ensure the internal air treatment of the wardrobe; by the arrangement of sliding grooves and by cooperatively using sliding blocks and pulling handles, the pushing and pulling of the drawers can be more convenient to effectively ensure the normal use of people to facilitate marketing popularization.

The invention relates to medical instruments, and provides a safety patient transferring operating bed. Pulleys are arranged on the bottom of a bed body, a bed plate is arranged on the bed body in a horizontal sliding mode, and a locking device is arranged on the bed body. The safety patient transferring operating bed is simple in structure, the bed plate is in a sliding type structure relative to the bed body, structure is simple, pulling and dragging are easy, when a patient who is after operation is transferred, the safety patient transferring operating bed is pushed to a patient room and parallel and close to a patient bed, a fixing hook is rotated to enable a sliding plate to move toward the direction of the patient bed, a rotating handle is lifted, the bed plate is pushed toward the direction of the patient bed, the patient on the bed plate is enabled to reach to the patient bed, and then, a sheet under the body of the patient or the upper end ridges and the lower end ridges of the patient are dragged to pull the bed plate to return back in place, and the patient is transferred to the patient bed stably and safely.

The invention relates to a collection device, in particular to an ideological and political education data file collection device, and aims to provide an ideological and political education data filecollection device which can reasonably arrange and classify data and files of ideological and political subjects. In order to solve the technical problem, the ideological and political education datafile collection device comprises a placement box and the like. An adjusting mechanism is arranged in the placement box, and a classification mechanism is arranged at the top of the placement box. Thedata and the files of the ideological and political subjects can be reasonably arranged and classified, the whole placement box can be flexibly used by the aid of the adjusting mechanism and a movableplate, the data can be completely placed, a sleeve plate is matched with a telescopic plate, so that books and the data can be prevented from falling into slotted holes, an excellent baffling function can be achieved, the data can be picked and placed according to the content of a writing board by the aid of the classification mechanism, and the device is conveniently used by users.

The invention relates to an automatic detection processing production line for a PCB. The automatic detection processing production line is sequentially provided with a feeding trolley, a feeding conveying single shaft assembly, a loading level flat belt production line and thickness measuring assembly, an OCR character scanning assembly, a cleaning assembly, a four-axis robot picking assembly anda discharging production line assembly. According to the production line, the operations of feeding, carrying, loading, conveying, code scanning, cleaning, discharging and the like can be completed,the automation degree is high, and the production and manufacturing efficiency is high.

The invention discloses an AC low-voltage draw-out type switch cabinet internally provided with a movable installation plate, and belongs to the technical field of a draw-out-type switch cabinet. The AC low-voltage draw-out type switch cabinet comprises a cabinet body, the outer wall of the cabinet body is longitudinally provided with three drawers, the bottom of the cabinet body is connected with rollers through pins, the left-side wall and the right-side wall of the inner cavity of the cabinet body are provided with three supports, the right-side wall of the cabinet body is provided with dustproof holes, the outer walls of the two sides of each drawer are each transversely provided with a baffle plate, the inner cavity of each drawer is provided with an installation plate, center positions of the two ends of each installation plate are connected with a rotation shaft, the left side and the right side of each rotation shaft are each welded with a screw rod, and the top portions of the screw rods are in sleeved connection with limiting blocks. According to the AC low-voltage draw-out type switch cabinet internally provided with the movable installation plate, the rollers facilitate movement of the cabinet body, guide wheels and the baffle plates are combined to enable the drawers to be more conveniently and easily pushed and pulled, the installation plates are movably connected with the inner cavities of the drawers through the rotation shafts, and the limiting blocks are connected with the screw rods so as to limit the inclination angles of the installation plates conveniently.

The invention belongs to the technical field of storage of western medicine medicaments, particularly relates to a storage device with a constant-temperature and constant-humidity functions for the storage of western medicine medicaments, and aims to solve the problem that the function of an existing storage device for the western medicine medicaments is single. According to the scheme, the storage device comprises a base, a first storage box is welded on one side of the outer wall of the top of the base, and a control box is welded to the other side of the outer wall of the top of the base; the outer wall of one side of the control box is welded to the outer wall of one side of the first storage box, and the outer wall of the top of the first storage box and the outer wall of the top of the control box are fixedly provided with the same second storage box through bolts; and a round groove is formed in the outer wall of the top of the second storage box, an insect expelling device is fixed on the inner wall of the round groove through screws, and an opening is formed in the outer wall of one side of the first storage box. According to the storage device, different kinds of westernmedicines can be stored separately, and a constant-temperature and constant-humidity device is arranged in each auxiliary box, so that the storage quality of the medicines is improved, and the phenomenon that the medicines are damaged when the medicines are stored or moved can be avoided.

The invention discloses a multifunctional operating tool for an electric transmission and distribution circuit and a transformer substation. The tool comprises an operating rod body, a telescopic rod is arranged inside the operating rod body in a sliding mode, and a pull ring is arranged on the tail portion of the operating rod body and located at the bottom end of the telescopic rod. A conical stab head is arranged at the top end of the telescopic rod. An arc-shaped hook is arranged on the left side of the top of the telescopic rod in an inverted-hook shape. A saw blade is arranged on the right side of the top of the telescopic rod, and a groove is formed in the top of the saw blade. A plurality of illuminating lamps are evenly arranged on the outer circle of the top of the operating rod body. An insulating layer is arranged on the outer circle of the bottom of the operating rod body. The multifunctional operating tool is stable in structure, diversified in function, safe and reliable, easy to adjust and use and capable of improving the working efficiency of operators.

The invention discloses a drying method of wet rice paper poster, which comprises the following steps: putting the wet rice paper poster on a drying bracket and then puting into a drying room for drying, wherein the drying process comprises a preheating step, a constant rate drying step and a temperature reduction drying step; reducing the moisture of the wet rice paper poster to 20%-25%; and drying the wet rice paper poster by a wet rice paper poster dryer. The equipment comprises a stand, heat transfer devices and temperature control devices, wherein the stand comprises vertical supporting poles and beams arranged in the transverse direction of each vertical supporting pole, and the stand is in a frame structure comprising the supporting poles and the beams; the temperature control devices control the heat transfer devices to transfer heat outward; the stand is divided into a plurality of layers of shelf pieces by the beams, and a heat transfer device is arranged between every two layers of the shelf pieces; and a bracket which can be used for placing the wet rice paper poster is arranged between two adjacent heat transfer devices. By adopting the drying method and the drying equipment of the wet rice paper poster, the ink absorption of the dried rice paper is ensured, the energy consumption is greatly reduced in the drying process, the drying efficiency is improved, the labor strength is reduced, and the environment can not be polluted.

The invention provides a connector assembly which comprises a plug, a socket and two locking assemblies. The plug comprises a shell and is provided with a first wire holder, the socket is provided with a second wire holder connected with the first wire holder, and each locking assembly comprises two fixing columns, two first locating parts and a lock catch piece, wherein the two fixing columns are oppositely arranged on the plug, the two first locating parts are oppositely arranged on the socket, and the lock catch piece comprises two second locating parts, two locking parts, two elastic parts and an operation part, each second locating part is matched with the corresponding first locating part, the second locating parts can rotate around the first locating parts, each locking part and the corresponding fixing column are combined in a clamped mode, the elastic parts are arranged between the corresponding second locating parts and the corresponding locking parts which are located on the same sides, the operation part is arranged between the two locking parts, and the second locating parts, the elastic parts, the locking parts and the operation part are of sequentially-connected bend-rod-shaped structures. By means of the sequentially-connected bend-rod-shaped structures, the structure of the connector assembly is simplified, and the assembly efficiency is improved.

Disclosed is a planar sliding window which comprises a window frame, a direct pushing window sash and a horizontal sliding window sash, a single upper rail and a single lower rail respectively provided with a circular arc section are respectively arranged on the upper beam and the lower beam of the window frame, when the window is closed, the direct pushing window sash and the horizontal sliding window sash are on the same vertical plane and the butt-jointed end surfaces thereof respectively adopt a circular arc surface, an auxiliary rail with one end provided with a circular arc section is arranged on the lower transversal frame of the direct pushing window sash, the cross section of the upper rail adopts an N shape, the cross sections of the lower rail and the auxiliary rail respectively adopt a quadrangle with one side opened, a pulley arranged at the top end of the direct pushing window sash slides on the straight line section of the upper rail, a pulley assembly arranged at the bottom end of the direct pushing window sash slides on the straight line section of the lower rail, the pulley assembly arranged at the top end of the horizontal sliding window sash and the pulley assembly arranged at one corner of the bottom end of the horizontal sliding window sash respectively slide on the straight line section and the corresponding circular arc section of the upper rail, and the pulley assembly arranged at the other corner of the bottom end of the horizontal sliding window sash only slides within the straight line section and the circular arc section of the auxiliary rail. The invention has the advantages that the appearance of the planar sliding window is artistic, the sliding is flexible, the operation is convenient, the applicable range is wide, the material is saved and the cost is low.

The invention belongs to the technical field of teaching facilities, and particularly relates to a teaching tool for the Chinese class. The teaching tool for the Chinese class comprises a blackboard and a blackboard eraser. Traveling rails are arranged at the upper end and the lower end of the blackboard correspondingly. The blackboard eraser comprises a supporting frame and a pressing plate. Traveling mechanisms are arranged at the upper end and the lower end of the supporting frame correspondingly. Each traveling mechanism comprises first positioning columns and a plurality of traveling wheels, and the multiple traveling wheels are all in sliding fit with the traveling rails. An eraser body and a dust-proof baffle are arranged on the rear end face of the pressing plate. The dust-proof baffle is located around the eraser body. The rear end face of the dust-proof baffle and the rear end face of the eraser body are both in contact connection with the blackboard. According to the teaching tool for the Chinese class, in the whole erasing process, the dust-proof baffle located around the eraser body can effectively lower the probability of chalk dust flying, the pressing plate can be rapidly mounted on or dismounted from the supporting frame under the sliding fit of second positioning columns and guide grooves, and thus chalk dust on the eraser body and in the dust-proof baffle canbe removed periodically and rapidly.

The invention discloses a sorting system applied to second-level and third-level parcel sorting processing centers. The sorting system comprises a climbing belt conveyor, a linear belt conveyor, at least four matrix sliding grooves, at least two bull's-eye tables, a cage trolley and a mailbag rack; the liner belt conveyor is connected with the climbing belt conveyor, the matrix sliding grooves are evenly distributed at the two sides of the linear belt conveyor, and each matrix sliding groove comprises a sliding groove inlet, a partition plate which is arranged in the sliding groove inlet and divides the sliding groove inlet into to inlet bodies, a straight sliding groove communicated with one inlet body and a turn sliding groove communicated with the other inlet body; the cage trolley is located at the tail ends of the straight sliding grooves; the mailbag rack is located at the tail ends of the turn sliding grooves; the bull's-eye tables are evenly distributed at the two sides of the linear belt conveyor, and a belt of the linear belt conveyor, the bull's-eye tables and the sliding groove inlets are flush in height. According to the sorting system, limited resources of the second-level and third-level parcel sorting processing centers are fully utilized, not only is the parcel sorting efficiency greatly improved, but also the labor intensity of workers is reduced, and the cost of manpower and material resources is effectively reduced.

The invention relates to the technical field of automobile machining, and discloses a transfer car for automobile machining parts. The transfer car comprises a base. The lower surface of the base is rotationally connected with rolling wheels. The upper surface of the base is fixedly connected with supporting plates. One end of each supporting plate is fixedly connected with a connecting block. One side of each connecting block is in sliding connection with sliding wheels. One side of each sliding wheel is rotationally connected with a connecting shaft. One ends of the connecting shafts of each supporting plate are fixedly connected with a dust collection box. The bottom of each dust collection box is in sliding connection with sliding balls. A handle is arranged on the front face of each dust collection box. One side of the top of each connecting block is fixedly connected with a clamp block. According to the transfer car, through the rolling wheels, the base, connecting rods and a push-pull rod, the transfer car can be moved freely according to needs, and operators can conveniently take parts during automobile part machining; and through first-layer telescopic sleeve rods, second-layer telescopic sleeve rods and third-layer telescopic sleeve rods, the transfer can ascend and descend, and therefore the view is prevented from being blocked by the last layers of supporting plates when the parts are placed or taken.

The invention discloses an air-conditioner external unit installation structure and an installation method of an air-conditioner external unit and belongs to the field of air-conditioner installation.The air-conditioner external unit installation structure comprises an indoor wall, an upper support, a lower support and a sliding device; an outlet which is used for passing of the air-conditioner external unit is formed in the indoor wall; an air-conditioner installation table is disposed on the outer side of the indoor wall; the lower support is fixed to the air-conditioner installation table;and the sliding device is arranged between the upper support and the lower support, and thus the upper support can slide into the outlet relatively to the lower support. During installation, the upper support slides from the outlet to the inner side of the indoor wall through the sliding device, the air-conditioner external unit is fixed to the upper support, and then the upper support and the air-conditioner external unit slide to the air-conditioner installation table. By means of the scheme, an air-conditioner external unit installation person can directly go to the outdoor position from the indoor outlet without an aerial ladder or a rope which is used for delivering to the outdoor air-conditioner installation position from the outdoor, the working environment of the installation person is improved, and the safety is improved.

The invention discloses a filtering device used for processing edible oil and capable of automatically collecting oil residues and relates to the technical field of edible oil processing. The filtering device specifically comprises a processing box, an extrusion mechanism, a smashing mechanism, a filtering mechanism and an oil stain collecting mechanism. The upper surface of the processing box isprovided with a feeding port, the extrusion mechanism is located inside the processing box and comprises a rack, a hydraulic cylinder, a hydraulic rod, a collecting plate, a diverter rod and an extrusion plate. Gate plates are arranged on the left side and the right side of the extrusion mechanism, the smashing mechanism is located on the outer side of the gate plates, the filtering mechanism is positioned below the extrusion mechanism, a supporting inclined frame is welded on the outer side of the processing box, and the oil stain collecting mechanism is positioned below the filtering mechanism. An oil residue filtering structure is arranged in an edible oil processing device so that oil residues can be collected in a centralized manner, and a filter screen has strong flexibility and is convenient to mount and dismount, so that the filter screen is convenient to clean, and the smoothness of the filter screen is favorably maintained.

The invention discloses a medical electric oven lamp support device, which comprises a foot pedal, a third mounting seat, a round hole, a movable pin, a circular insertion rod, a round tube, a socket, a second mounting seat, an electric push rod one, and a mounting seat 1. Cylindrical seat, fixed pin, installation groove, round rod, movable rod, through hole, electric grill lamp, iron grille cover, electric push rod 2. Fixed groove, controller, bearing, circular plate, base, outrigger and support pole. The invention has the advantages of reasonable structure, convenient use, safe operation, saving room space, convenient automatic adjustment of the angle and height of the electric oven lamp, and good fixing effect, which is convenient for users to safely use the electric oven lamp, and is suitable for beds of different heights. Through the active connection between the movable rod and the cylindrical seat, it is beneficial for the electric push rod to push and pull the movable rod to achieve the effect of adjusting the angle of the vertical direction of the electric grill lamp. Push rod two drives the electric oven lamp to move up and down.

The invention relates to a pad for a steam cleaner, Which includes a very fine filament layer, and the multi-rows of polypropylene filament and very fine filament are crossly and separately equipped at the bottom of the very fine filament layer, and the separately arranged polypropylene filament and the very fine filament form the bottom face of the pad. According to the structure, the invention has the advantages that the very fine filament layer has ideal wipe capability and the polypropylene thread is easy to be pushed or pulled, and both of them have perfect cleaning capability and water sucking power, and the characteristics of the very fine filament layer and the polypropylene thread can compensate each other, thereby the product is easy to be used and can guarantee cleaning effect.

The invention discloses a vehicle dragline selling cart which comprises a carriage. Spiral springs are fixedly connected to the bottom of the carriage, a shaft lever is fixedly connected to the bottomof the carriage and is located in the middle of the bottom surface of the carriage, the outer surface of the shaft lever is hinged with a first sleeve, the outer surface of the first sleeve is fixedly connected with a support plate, one ends of the spiral springs and away from the carriage are fixedly connected with a cross plate, wheels are fixedly hinged to one side of the cross plate, a firstvertical rod is fixedly connected to the interior of the carriage, a retaining plate is fixedly connected to the top of the first vertical rod, the outer surface of the first vertical rod is wound with a dragline, and one end of the dragline sequentially penetrates the interior of the first vertical rod and one side of the carriage to extend out of the carriage. The vehicle dragline selling cart has the advantages of convenience in display, the dragline is less prone to oxidation, dragline measurement and dragline cutting are integrated with selling conveniently, and convenience is brought toselling.

The invention discloses a high-sealing sash window provided with an invisible screen window, which is consists of a window frame, a window sash fixedly provided with glass in the frames, a pulley gear, a slideway device and a sealing device. Sealing frames are arranged on the longitudinal peripheries of the left and right arms and the upper and lower arms of the window frame, transverse slideways are arranged between the sealing frames and the corresponding position of each longitudinal slideway on the upper and lower arms of the window frame corresponding to each window sash in the closed position, which can lead each window sash to be opened or closed longitudinally in a sliding way and to be folded transversely so as to be inosculated with the surrounding sealing frames, thus achieving high sealing, and the invisible screen window is arranged between the space in the left or right arm of the window frame and the adjacent window sash thereof. The sash window has the advantages of the convenient usage of the sash window and the high sealing of the casement window, overcomes the sealing dead angle and achieves the goals of energy conservation and environmental protection.

The invention provides a cabinet-type computer server heat dissipation system. The cabinet-type computer server heat dissipation system comprises a cabinet body; the upper end of the inner wall of thecabinet body is horizontally fixed with a roof; the lower end of the inner wall of the cabinet body is horizontally fixed with a bottom plate; two parallel vertical plates are vertically fixed between the roof and the bottom plate; a plurality of horizontal plates are fixed horizontally between the vertical plates; a plurality of through holes are arranged on the vertical plates corresponding tothe horizontal plates; an air duct is formed between the inner wall of the cabinet body and the vertical plates; a blower is arranged at the bottom inside the cabinet body; a refrigerant device is arranged between the blower and the air duct mouth; and a plurality of air outlets are arranged on the roof correspondingly between the two vertical plates. According to the invention, the internal air is circulated through the cooperation of blower and the induced draft fan; meanwhile, the internal air is cooled by ice in the box when the internal air passes through the fixed cover, so as to achievebetter heat dissipation effect; a sliding board is easy to push and pull, which is convenient to repair the server; the air volume is easy to be confirmed and adjusted by observing the speed of the fan blade, which can not only play the role of dust prevention and protection, but also make the heat dissipation more timely because of the refrigeration effect.