35results about How to "Play the role of separation" patented technology

The invention relates to a coupler head (1) for rail vehicles, comprising a coupler head housing (2) and an end plate (4) that lies against the front face of said coupler head housing. To achieve a modular construction for the coupling head (1), the end plate (4) and the coupling head housing (2) are detachably interconnected. The invention also relates to an assembly method for a coupling head (1) of this type.

The invention relates to a cabinet body of a high-voltage switch cabinet, which is characterized in comprising a sectional material framework, a cabinet body top plate, a busbar chamber side plate, a cable chamber side plate, an instrument box side plate, an instrument box relay board, a breaker side plate, a cabinet body base plate, a left framework, a beam and a right framework. The cabinet body provided by the invention has the advantages that a sectional material is adopted as the framework of the cabinet body, and the cross section of the sectional material is in a thin-wall shape as a whole, so that the material waste cause by that a circular or rectangular cavity of the existing sectional material adopts a same all thickness is avoided; the design of a T-shaped groove is convenient for realizing convenient and fast assembly, and the T-shaped groove has the characteristics of clear edges, smooth lines and the like; the sectional material with specially-designed cross section has the characteristics of saving raw materials and having high bending strength; lap joint between the sectional materials and between the sectional material and other parts is simple, so that the productive efficiency is improved and the productive period is reduced; and other metal plate parts play the role of partition, have low requirements in strength and are only required to be bent simply, so that the manufacturing cost is reduced.

The invention relates to a flue gas cleaner with integration of desulfurization, denitrification, mercury removal and dust removal. The flue gas cleaner comprises an integrated cleaning tower arranged on a base, a spiral flue duct, a dry absorbing and cleaning agent applying device and a wet absorbing and cleaning agent applying device, wherein an automatic slag remover, a flocculation and precipitation cleaning working zone, an inner precipitation circulating zone and an outer precipitation circulating zone are arranged in the base; an inner wall cleaning fluid collecting water channel is formed between the inner precipitation circulating zone and the outer precipitation circulating zone; the outer precipitation circulating zone is divided to form winding paths by a transverse partition board; the integrated cleaning tower is divided into a demisting and dewatering cleaning working zone, an absorption cleaning working zone and an oxidation cleaning working zone by a gas-water separator; an annular sprayer, a backwash cylindrical sprayer and a demisting filter screen are arranged in the demisting and dewatering cleaning working zone respectively; a main cylindrical sprayer is arranged in the absorption cleaning working zone; a cylindrical oxidation cleaning agent sprayer is arranged in the oxidation cleaning working zone; a flue gas outlet and a spray circulating system are arranged at the top of the integrated cleaning tower respectively. The flue gas cleaner has significant cleaning effect.

The invention discloses a mounting structure of a building fabricated wall. The mounting structure comprises a first wall body, limiting grooves, clamping block grooves, limiting plates, first clamping blocks and a second wall body. First sliding grooves are formed in the two sides of the first wall body and in the two sides of the second wall body respectively, first sliding blocks are movably connected to one side of the first wall body and one side of the second wall body respectively, second sliding blocks are movably connected to the other side of the first wall body and the other side ofthe second wall body respectively, and the upper surface of the second wall body is movably connected with a third wall body. The mounting structure of the building fabricated wall has the main advantages that when the mounting structure is used, identical second wall bodies can be spliced multiple times through the limiting plates and the first clamping blocks; when identical first wall bodies are connected in parallel, the two sides of each first sliding block are clamped into the corresponding first sliding grooves respectively, so that fixing and connecting effects are achieved; and the identical first and second wall bodies can be spliced according to area requirements of different building construction.

The invention relates to an antimagnetic cabinet, in particular to a multifunctional antimagnetic cabinet convenient to use. The multifunctional antimagnetic cabinet convenient to use is convenient to operate and provided with a safety switch. The multifunctional antimagnetic cabinet convenient to use comprises a bottom frame and an antimagnetic cabinet body arranged on the bottom frame; a first discharging box arranged at the lower part in the antimagnetic cabinet; a second material placing box arranged in the antimagnetic cabinet; a closing mechanism arranged between the antimagnetic cabinet and the bottom frame; and a pull-out mechanism arranged on the upper side in the antimagnetic cabinet, and connected with the second discharging box. People move the handle forwards, so that the cabinet door moves forwards, after people place data, people move the handle backwards, so that the cabinet door moves backwards, and the closing effect is achieved.

The invention discloses a safe walking aid device for cardiothoracic surgery patient postoperative activities. The device structurally comprises a device body, shoulder straps, a neck protection mechanism, an upper chest protection bag, a waistband, a toppling trigger mechanism, a standing assisting mechanism and an abdomen soft bag. The method has the beneficial effects that an air bag film layerof the upper chest protection bag can expand to a certain volume, so that an enough cavity structure is formed in the film layer to play a role in separating the chest of the patient from an object to be impacted or the ground; meanwhile, the chest position of the patient is in a hollow state through cooperation with the abdomen soft bag in the structure; at the moment of contact with an obstacle, the air bag film layer of the upper body abuts against the abdomen soft bag, vibration feedback force is reduced, the chest of the patient is prevented from making contact with the device and beinginjured again, and the hidden danger that the force directly acts on the chest of the patient standing unstably or being impacted is effectively avoided.

The coupling head (1) for rail vehicles has a housing (2) which is closed off by an end plate (4). The endplate and the coupling housing are detachably interconnected. The coupling head housing has no construction details which apply to only one type of rail vehicle, while the construction details which do apply to rail vehicle type are provided in or on the end plate. A compensating element (6) is provided between the coupling head housing and end plate and has the cross sectional geometry of the end face (3) of the coupling head housing. An independent claim is included for a method for the mounting of a coupling head in which heating elements (9,11,13) are fitted in slots or holes in the end plate, and the pre-assembled end plate is then detachably fastened to the coupling head housing by connecting elements (5).

The invention relates to the field of textiles, in particular to a length-adjustable yarn outgoing tube used for spinning. The length-adjustable yarn outgoing tube used for spinning not only has the functions of the existing yarn outgoing tube, but also can accommodate a plurality of yarns for outgoing at the same time; in addition, the length and direction can be adjusted. The length-adjustable yarn outgoing tube includes a first sleeve, a second sleeve and a third sleeve, wherein a plurality of first yarn fixing clips are arranged on the inner surface of the first sleeve; a first screw hole is formed on the side wall of the first sleeve; a first fastening bolt is arranged in the first screw hole; a second screw hole is formed in the second sleeve; a second fastening bolt is arranged in the second screw hole; a plurality of second yarn fixing clips are arranged on the third sleeve; the third sleeve is connected with a coil pipe. The length-adjustable yarn outgoing tube used for spinning is simple in structure, convenient to use, energy-saving and environment-friendly, and has great popularization and application values.

The invention discloses a solid-liquid separation structure of a floor cleaning machine. The solid-liquid separation structure comprises a water tank, a water tank cover, a filter frame and a sealing ring, wherein a water inlet is formed in one end of the water tank, the water tank cover is arranged at the water inlet, the sealing ring is arranged between the water tank cover and the water tank, the water tank is sleeved with the sealing ring, a first storage space is arranged in the water tank and used for storing sewage, a filtering component is arranged in the first storage space and detachably connected to the water tank, the filter frame is arranged in the first storage space, a second storage space is defined by the filter frame and the wall of the water tank, and the second storage space is used for storing solid impurities in the sewage. The filter frame is arranged in the water tank, so the problem that solid garbage and sewage in a sewage tank of a conventional floor cleaning machine are mixed together and sewage and garbage are inconvenient to treat can be solved.

The invention relates to an anti-scooping connector plug, an anti-scooping connector socket and a connector assembly, the anti-scooping connector plug comprises a plug insulator and a contact pin arranged in the plug insulator, the socket comprises a socket insulator and a jack arranged in the socket insulator, a pit is arranged on the opposite plugging surface of the plug insulator, and the plug insulator and the jack are arranged in the pit. The contact end of the contact pin is arranged in the pit, the pit is internally provided with a limiting part, the limiting part is higher than the contact pin in the plugging direction of the anti-scooping connector plug, by means of the technical scheme, the anti-scooping connector plug enables the limiting part to realize an anti-scooping function in the process of oblique plugging of the head seat, and the contact pin is prevented from being bent by a socket insulator during oblique plugging.

A connector pressure test device based on electric power safety disclosed by the present invention comprises a device main body, a detection device is fixedly connected to the middle position of the top of the device main body, frames are fixedly connected to the top of the device main body and located at the two sides of the detection device, and a power box is fixedly connected to the top of each frame. And the front face of the power box is fixedly connected with an operation panel, and the left side of the front face of the frame is slidably connected with a blocking box door. According to the connector pressure test equipment based on electric power safety, the blocking box door slides on the frame, so that the frame is sealed during detection, the situation that part of impurities splash during detection is avoided, external impurities are not prone to entering the frame to affect detection work, and the detection efficiency is improved. The lifting detector ascends and descends on the fixing device, so that the falling position of the lifting detector is not easy to deviate, and inaccurate detection data caused by insufficient contact area of the detector and the connector is avoided.

The invention discloses a cooling lawn mower. The cooling lawn mower comprises a main shell, the main shell is provided with a cutting cavity and a motor fan cover, a motor fan cavity is formed in themotor fan cover, a motor is connected in the motor fan cover, fan blades are connected to an output shaft of the motor, a base and a power supply device are connected to the motor fan cover, a firstcooling cavity is formed between the base and the power supply device, a circuit board is arranged in the first cooling cavity, and the base is provided with a plurality of first air holes and secondair holes. According to the cooling lawn mower, the first cooling cavity, the motor fan cavity and the cutting cavity form a cooling channel through the second air holes and the motor fan cover, the fan blades conduct air extraction on the cooling channel, and air enters the cooling channel from the first air holes to cool all components and then is discharged; the cooling effect is good, it is unnecessary to independently arrange cooling devices nearby the components, the size of the cooling lawn mower is reduced, and the production cost of the cooling lawn mower is reduced.

The invention discloses a surface treatment device and method for an electrolytic cell flow field material, and relates to the technical field of surface treatment of electrolytic cell flow field materials. The problems that electrolytic cell flow field material surface treatment is low in efficiency and high in cost are solved. The device specifically comprises a shell, an inner cylinder is arranged in the shell, a sealing groove is formed in the outer wall, close to the top of the inner cylinder, of the shell, a top cover is connected to the outer wall of one side of the top of the shell through a hinge, and an air inlet and an air outlet are formed in the outer wall of the back face of the shell. The inner walls of the air inlet and the air outlet are in threaded connection with guide pipes; heating pipes distributed at equal intervals are connected to the circumferential inner wall of the bottom of the inner cylinder through bolts; a temperature sensor is fixed to the inner wall ofthe bottom of the inner cylinder through bolts, a conical base is welded to the outer wall of the bottom of the inner cylinder, and the outer wall of the bottom end of the conical base is in threadedconnection with a feed liquid circulating port. The device is simple in overall structure, convenient to install and low in cost, and multiple operation processes can be completed in one device in acentralized mode.

The invention discloses a cultivation frame for cotton seedling planting which is convenient for transplanting seedlings, which comprises an upper frame, a horizontal partition, a bottom plate, a second connecting groove, an insert block and an engaging groove, and a first Connecting block, the left and right sides of the upper frame are respectively connected with the left frame and the right frame through bolts, the horizontal partition is arranged between the left frame and the right frame, and the horizontal partition and the vertical The partitions are connected to each other, the bottom plate is fixed on the bottom of the left frame through the connecting piece, the second connecting groove is reserved on the left frame, slots are opened on the upper frame and the lower frame, and the plug-in block is fixed At the upper and lower ends of the vertical partition. The cotton seedlings are planted with a cultivation frame that is convenient for transplanting seedlings, and the cotton seedlings are separated from the soil gutters, which effectively avoids the phenomenon that the bonding between the soil gutters is not easy to separate due to long-term contact. The device is composed of up, down, left, and right The frame is assembled, easy to install and reusable.

The invention discloses polishing equipment for mobile phone screen production, and belongs to the field of screen polishing. The polishing equipment comprises a working platform, supporting columns are fixedly connected to the left side and the right side of the top of the working platform, a mounting plate is fixedly connected between the tops of the supporting columns, and electric push rods are fixedly mounted at the left side and the right side of the top of the mounting plate; a telescopic air cylinder is fixedly mounted at the middle end of the top of the mounting plate, strip-shaped notches are formed at the positions, located between the electric push rods and the telescopic air cylinder, of the top of the mounting plate, the output ends of the electric push rods are fixedly connected with connecting plates, and the bottoms of the connecting plates penetrate through the strip-shaped notches to be fixedly connected with a polishing mechanism; and the output end of the telescopic air cylinder penetrates through the mounting plate to be fixedly connected with a clamping mechanism, and a through hole is formed at the position, corresponding to the clamping mechanism, of the top of the working platform. By arranging the clamping mechanism, the clamping mechanism plays a role in fixing the mobile phone screen, so that the polishing mechanism polishes and grinds the mobile phone screen from the two sides.

The invention belongs to the field of municipal engineering, and particularly relates to a guardrail water spraying mechanism with good cleaning and wetting effects and a using method thereof. The guardrail water spraying mechanism comprises a shell connected with a cleaning mechanism, wherein two vertically-arranged fixing strips are fixedly connected to one side of the shell, a plurality of sliding rod sets which are distributed at equal intervals are fixedly connected between the two fixing strips, each sliding rod set is composed of a first sliding rod and a second sliding rod which are arranged in parallel, the first sliding rods are located below the second sliding rods, and the first sliding rods are connected with sliding blocks in a sliding mode. Through the arrangement of the first sliding rods, when the shell is close to the guardrail, the sliding blocks can move up and down under the action of the magnetic strips due to the fact that the guardrail is made of a ferromagneticmaterial, spray heads can move up and down by a certain distance, and the situation that the guardrail has dead corners which cannot be cleaned by water due to the fact that the spray heads are fixedly arranged is avoided.

The invention discloses a PVT composite device based on combination of nocturnal radiation and dew point evaporative cooling. The device comprises a coupling radiation PVT, one side of the coupling radiation PVT is connected with an air inlet, the coupling radiation PVT is connected with a heat storage water tank through a liquid inlet pipe and a liquid outlet pipe, one side of the coupling radiation PVT is electrically connected with a controller, the controller is electrically connected with a storage battery and an electric load, the side, far away from the air inlet, of the coupling radiation PVT is provided with an air outlet, the side, close to the air outlet, of the coupling radiation PVT is provided with a shell, the side, close to the coupling radiation PVT, of the shell is provided with a wind inlet, the interior of the shell is connected with a dew point evaporative cooling mechanism, an electric heating pipe I is arranged above the dew point evaporative cooling mechanism, and the top of the shell is fixedly connected with a fan I and a fan II. The PVT composite device has the beneficial effects that the influence of day and night change and seasonal change on the utilization rate of the device is overcome, and the equipment utilization rate and the space utilization rate are improved.

The invention discloses a building precision constant temperature control device and a control method thereof, relates to the technical field of building precision constant temperature control devices, and aims to solve the problems that the building temperature detection precision of an existing building precision constant temperature control device is reduced, and the environment change cannot be accurately detected. The building precision constant temperature control device is characterized in that an upper connecting part is mounted at the upper end of a mounting fixing part, a control box is mounted at the lower end of the interior of the upper connecting part, a mounting boss is mounted at the upper end of the control box, an indoor top heat conduction plate is mounted at the upper end of the upper connecting part, an indoor bottom infrared temperature sensor is mounted at the upper end of one side of the indoor top heat conduction plate, an indoor top infrared temperature sensor is mounted at the upper end of the other side in the upper connecting part, a bottom fixing plate is mounted at the lower end in the mounting fixing part, and a driving lead screw is mounted at the upper end of the bottom fixing plate.

The invention discloses a collagen oral liquid bottling machine with a sterilization function. The collagen oral liquid bottling machine comprises a rotating mechanism, a supporting table, a fixing frame and a second conveying belt device, a bearing frame is fixed to the upper end face of the rotating mechanism, the supporting table is fixed to the other side of the upper end face of a base, and the supporting table is located on one side of a first conveying belt device; and a support is arranged on the outer side of the first conveying belt device, a second electric telescopic rod is fixed to one side of the top of the support, the bottom of the second electric telescopic rod is connected with a motor box, and the second conveying belt device is fixed to the base. According to the collagen oral liquid bottling machine with the sterilization function, one empty bottle can be placed in each sleeve, a rotary table can rotate, a worker can place one empty bottle in each sleeve in order, after each empty bottle is placed, a corresponding sterilization lamp tube moves downwards and stretches into the corresponding empty bottle, and sterilization and disinfection treatment can be conveniently conducted on the empty bottles.

The invention relates to a production and processing machine for glass fiber reinforced plastic materials, comprising an installation frame, a working frame group, a material guide frame, a material guide cover, a limit frame and a return spring, and is characterized in that: the upper end of the installation frame is equipped with a working frame group , the upper end of the working frame group is evenly equipped with a material guide frame, the upper end of the material guide frame is connected with the material guide cover through a hinge, the upper end of the material guide frame is installed on the left side with a limit frame, and there is a reset between the limit frame and the material guide cover. spring. The present invention can solve the problem that in the conveying process, due to the thin and long paths, the adjacent glass fiber threads are often intertwined and entangled together, and the agglomerated glass fiber threads are easily wounded on the outer wall of the core layer, which will easily lead to molded The surface of FRP is not smooth. During the conveying process of glass fiber wires, adjacent glass fiber wires rub against each other to generate heat, which may easily lead to problems such as thermal deformation of the glass fiber wire itself.

The invention relates to a flue gas cleaner with integration of desulfurization, denitrification, mercury removal and dust removal. The flue gas cleaner comprises an integrated cleaning tower arranged on a base, a spiral flue duct, a dry absorbing and cleaning agent applying device and a wet absorbing and cleaning agent applying device, wherein an automatic slag remover, a flocculation and precipitation cleaning working zone, an inner precipitation circulating zone and an outer precipitation circulating zone are arranged in the base; an inner wall cleaning fluid collecting water channel is formed between the inner precipitation circulating zone and the outer precipitation circulating zone; the outer precipitation circulating zone is divided to form winding paths by a transverse partition board; the integrated cleaning tower is divided into a demisting and dewatering cleaning working zone, an absorption cleaning working zone and an oxidation cleaning working zone by a gas-water separator; an annular sprayer, a backwash cylindrical sprayer and a demisting filter screen are arranged in the demisting and dewatering cleaning working zone respectively; a main cylindrical sprayer is arranged in the absorption cleaning working zone; a cylindrical oxidation cleaning agent sprayer is arranged in the oxidation cleaning working zone; a flue gas outlet and a spray circulating system are arranged at the top of the integrated cleaning tower respectively. The flue gas cleaner has significant cleaning effect.

The invention discloses a cloth finished product stacking device for garment production and processing, and relates to the technical field of garment production. The cloth product stacking device for garment production and processing includes a support platform, the top outer surface of the support platform is fixedly installed with a square frame plate, a fixed plate and a dust collecting box, and a connecting column is also placed on the top outer surface of the support platform , the inner top and inner bottom of the square frame plate are rotatably installed with connecting rods, the inside of the squeeze plate is provided with a wardrobe, one end of the connecting rod is fixedly connected with the wardrobe, and the top outer surface of the square frame plate is A drive motor, a motor protection case and a water tank are fixedly installed, and a drive motor is arranged inside the motor protection case. The cloth finished product stacking device for garment production and processing squeezes the stacked cloth finished products in the wardrobe, so that more cloth finished products can be placed in the wardrobe.

The invention discloses a soybean softening device for organic soybean oil production, and relates to the technical field of soybean softening devices. In order to treat particles and putrefacts mixed in soybeans, the device specifically comprises a base, a mounting frame is fixed to the outer wall of the top of the base through bolts, a lead screw is rotatably connected to the inner wall of the mounting frame, a servo motor is fixed to the outer wall of the top of the mounting frame through bolts, the output end of the servo motor is connected to the outer wall of the top of the lead screw through a coupler, and a guide column is fixed to the inner wall of the mounting frame through bolts; and the circumferential outer wall of the guide column is slidably connected with an oblique leakage hole box, the circumferential outer wall of the lead screw is rotatably connected to the outer wall of the top of the oblique leakage hole box, and a first air cylinder is fixed to the outer wall of the top of the mounting frame through bolts. The servo motor is arranged and can drive the lead screw to rotate, so that the oblique leakage hole box can move up and down along the circumferential outer wall of the guide column, and the oblique leakage hole box can be immersed in water in a water tank.

A rotatable storage type pin socket comprises a socket box, wherein a pin disc is assembled on the side of the socket box, a first pin and a second pin are rotationally assembled in the pin disc, a button capable of being pressed down is assembled on the surface of the pin disc, and an adjusting module used for controlling the first pin to move is installed in the socket box; and a board assembly which comprises a plurality of circuit boards. According to the technical key points, two groups of rotatable plug pins are used in the socket disc, the corresponding plug pins can be stored in the socket disc when the socket disc is not used, the falling damage phenomenon is avoided, adjustment can be carried out according to specific conditions when the socket is used, a double-port plug or a three-port plug can be selectively used, and the use flexibility of the whole socket is reflected; the adjusting module is used in the pin disc and combined with the button, the first pin can be positioned, meanwhile, the first pin can be connected with the second pin in a structural mode, the stability of all the pins in the storage state is ensured, and the phenomenon that the pins are automatically separated from the storage space is avoided.

The invention relates to a handcart for armored car health maintenance. The handcart comprises a frame body, a separation mechanism and a fixed plate, a movable positioning mechanism is installed on the inner side of the bottom end of the frame body, external mechanisms are installed on the outer sides of the left and right ends of the frame body, the fixed plate is fixed on the inner side of thetop end of the frame body, and a plate groove is formed in the front end of the fixed plate; lap joint handles are arranged at the left end and right end of the plate groove in penetrating mode, and hole buckles are connected to inner ends of the lap joint handles. The handcart has the beneficial effects that a broadening plate and lifting hooks are arranged, maintenance tools or objects can be hung according to the lifting hooks connected to the outer wall of the broadening plate, articles and tools can be inserted into or bound to the lifting holes in the middles of the lifting hooks, and the convenience of the device in use is further improved; the use area of the broadening plate can be flexibly adjusted through movable connection between the broadening plate bodies, and the handcart is more convenient to use.

The invention relates to a paper cutter with a paper scrap removing mechanism for paper production. The paper cutter comprises a cutter body and a discharge chamber. Placement chambers are arranged atthe left and right sides of the bottom end of the cutter body. A partition plate is linked to the inner end of each placement chamber. A middle chamber is placed in the middle of the bottom end of the cutter body. A discharging outlet is formed in the outer side of the discharge chamber. The discharge chamber is located at the upper ends of the placement chambers. The portions, above the middlesof the left and right ends, of the cutter body are each linked with a linkage edge column. The paper cutter with the paper scrap removing mechanism for paper production has the advantages that the linkage edge columns are arranged, a motor can be linked and placed through the linkage edge columns, fixation is performed conveniently, a suspension lead screw can be driven by motion of the motor to rotate, at the moment, a transmission machine base is driven by spiral force generated between a thread at the inner end of the transmission machine base and the suspension lead screw to displace, theworking position of the transmission machine base is conveniently adjusted, and a cutter can be better utilized for performing the cutting operation.

The invention relates to a glass steel material production machine. The glass steel material production machine comprises a mounting frame, a working frame set, guide frames, guide covers, limiting frames and return springs, and is characterized in that the working frame set is mounted at the upper end of the mounting frame; the guide frames are uniformly mounted at the upper end of the working frame set; the upper ends of the guide frames are connected with the guide covers through hinges; the limiting frames are mounted on the left sides of the upper ends of the guide frames; and the returnsprings are connected between the limiting frames and the guide covers. The glass steel material production machine can solve such problems as frequent twisting and winding of adjacent glass fibers inthe conveying process due to fineness, big number and longer paths, rough surfaces of molded glass steel easily caused by winding of agglomerated glass fibers on the outer walls of core layers and heating deformation of the glass fibers easily caused by heat generated between the adjacent fibers due to mutual friction in the conveying process.

The invention discloses an automobile trunk with articles easy to limit. The trunk comprises a trunk main body, a first limiting sleeve and a first supporting column; the right side of the trunk mainbody is rotationally connected with a trunk door; a first limiting sleeve penetrates through a through hole and is fixed at the inner bottom of the trunk main body; the bottom of the first supportingcolumn is in threaded connection with the inner side of the first limiting sleeve; an abutting rod is in threaded connection with the outer side of a sleeve plate; the top of the first supporting column is connected with a second supporting column through a compression spring; a winding drum is rotatably connected to the rear inner wall of a trunk pad; a storage plate is arranged on the upper sideof the winding drum; and an illuminating lamp is fixed to the right side of the top in the trunk main body. According to the automobile trunk with the articles easy to limit, after the articles are placed on the sleeve plate and the trunk pad on the lower side of the sleeve plate, a partition curtain on the left side is pulled up, then the related articles can be placed between the partition curtains, the partition curtain on the right side is pulled up forwards, and the partition curtains play a role in limiting the articles between the partition curtains.