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

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 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 refrigerator racks with partial sliding board, which comprises fixed and adjustable part, of which the fixed part is composed by the front frame, back frame and objects frame composed by both sides of frame, in the fixed part of objects frame is equipped with a fixed shelf, the corner of which is hollow vacuous. The adjustable part is installed with vertical frame parallel to side frame and connected to the back frame inner side of the fixed part, the side and vertical frame has double-line sliding chute. The sliding board is set on the double-line sliding chute that can slide fore and after along it. The refrigerator rack has the function of free regulation according to the operating requirements. Generally the sliding plate is placed in vacancy of the fixed shelf and guarantee that the objects sliding plate and fixed shelf are on the same plane meanwhile. The sliding plate is placed under the fixed shelf and the hollow vacuous is exposed when a higher objects is kept.

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 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.