43results about How to "Increase collection space" patented technology

The invention relates to vegetable slicing equipment, in particular to quick vegetable slicing equipment. According to the technical aims, the quick vegetable slicing equipment is not likely to hurt the hand, saves time and labor and is high in working efficiency. In order to achieve the above technical aims, the quick vegetable slicing equipment is provided and comprises a base plate and the like; and the top of the base plate is sequentially provided with a support, a table and a collecting frame in a bolt connecting manner from left to right, the support is located on the left side of the table, a top plate is connected to the top of the support through a bolt connecting manner, and a driving device and a slicing device are arranged on the right side of the bottom of the top plate. According to the quick vegetable slicing equipment, the manner that a cutter moves up and down continuously is adopted, vegetables can be quickly sliced, and the vegetable slicing working efficiency is improved by a pushing device further.

The invention relates to the technical field of water storage equipment and in particular to a green energy-saving rainwater collecting device. The green energy-saving rainwater collecting device comprises a water storage tank. A planting box is installed in the water storage tank. The edge of the top of the water storage tank is fixedly provided with a circle of water collection baffle. The interior of the water collection baffle is fixedly provided with a solar electric plate. The top of the water storage tank is fixedly provided with a filtering screen plate. One opposite face of the planting box is provided with a sliding chute. The sliding chute is internally provided with a slider. One side, away from the sliding chute, of the slider is fixed at one side of the filtering screen plate. The periphery of the bottom of the planting box is fixedly provided with a floating box. The floating box is a sealed hollow structure. One side of the exterior of the water storage tank is fixedlyprovided with a water pump. The water pump is connected with the floating box through a guide pipe. The bottom of the water pump is connected with a storage battery through a lead. One side, away fromthe water pump, of the storage battery is connected with the solar electric plate through the lead. One side, positioned on the upper edge of the floating box, of the planting box is provided with aplurality of irrigation channels. A gravity sensor is fixed below one side of each irrigation channel. The gravity sensor is connected with the water pump through the lead. The green energy-saving rainwater collecting device is simple in structure, has the market prospect, and is suitable for popularization.

The invention provides a self-dumping garbage cleaning machine suitable for various road surfaces, and relates to the technical field of garbage cleaning devices. The self-dumping garbage cleaning machine comprises a walking vehicle which is provided with a blower device, a garbage collecting box, a garbage dumping device, a garbage gathering device, a sweeping plate, a main control electromagnetic valve and the like. The garbage dumping device comprises a garbage can placing device, a lifting mechanism and an overturning mechanism. The lifting mechanism comprises a lifting plate which is fixedly connected with a lifting device, and the garbage can placing device is placed above the lifting plate. The garbage collecting box comprises a vacuum box body with a garbage falling opening formed in the bottom. The edge part of a collecting opening of the garbage can placing device can be well sealed with the edge part of the garbage falling opening, and therefore a big vacuum box body used for collecting garbage can be formed. The garbage can placing device falls, and the garbage can placing device and the vacuum box body are separated to be used as a transfer device for garbage cans. According to the self-dumping garbage cleaning machine, the space of the garbage cans is well utilized, garbage can also be collected and dumped conveniently, and the self-dumping garbage cleaning machine is suitable for being used on various road surfaces.

The invention belongs to the technical field of agricultural mechanical equipment, and particularly discloses a soil improvement device. The soil improvement device comprises a box body, and also comprises connecting units, first driving units, a second driving unit, a mixing unit, a taking unit, a first plate, a second plate, a third plate, a fourth plate and an air storage chamber. On one hand,through mutual cooperation of the connecting units, the first driving units, the second driving unit, the mixing unit and the taking unit, stirring plates clockwise and anticlockwise rotate, an improvement agent and soil are fully and evenly mixed through the stirring plates, the soil is refined, oxygen is fully absorbed, the oxygen content of the soil is guaranteed, and therefore the improvementeffect on the soil is improved; on the other hand, through cooperation of fixing columns, fixing rods and rotating rollers, jolting force of the improvement device in the running process is relieved,occurrence of rollover of the improvement device is avoided, and therefore the stability of the improvement device is improved.

The invention discloses a wheat grinding device for food processing, and belongs to the technical field of food processing. The wheat grinding device is capable of being simple in operation, comprehensive in grinding and high in working efficiency. The grinding device for food processing comprises a bottom plate, supports, a collecting frame, a swing device, a loading plate and a grinding device body; the supports are symmetrically and vertically arranged on two ends of the bottom plate, and the collecting frame is arranged on the position, between the two supports, of the bottom plate; the swinging device is fixedly arranged on the supports, the loading plate is arranged on swinging parts of the swinging device and is located above the collecting frame, and multiple discharging holes areformed in the loading plate; and the grinding device body is fixed on the support on one side, and a grinding part of the grinding device body is in contact with the upper surface of the loading plate. The wheat grinding device has the advantages that the grinding effect is good, and the effects of simple operation, comprehensive grinding and the high working efficiency are achieved.

The invention discloses an intelligent garbage collection device. The intelligent garbage collection device comprises a lifting unit, a control cabinet and a plurality of throwing units, wherein the control cabinet is connected with the lifting unit; the lifting unit is connected with the throwing units; each throwing unit comprises a storage box, a throwing opening formed in the upper part of thestorage box and an ultrasonic sensor arranged in the storage box; the throwing units are horizontally arranged and connected through the storage box; the lifting unit comprises a hydraulic oil cylinder, a shear fork beam, a lifting platform and a bottom plate; one end of the hydraulic oil cylinder is connected with the bottom plate, the other end of the hydraulic oil cylinder is connected with the lifting platform; and the lifting platform is connected with the bottom plate through the shear fork beam. According to the intelligent garbage collection device, the lifting unit is arranged at thelower end of a garbage unit, the ground space can be better saved, and therefore the garbage collection space can be enlarged; and workers can conveniently transport and clean garbage storage boxes,and the garbage collection efficiency can be effectively improved.

The invention discloses efficient wheat meal screening equipment for food processing, and belongs to the technical field of food processing. In order to solve the technical problems, the invention provides efficient wheat meal screening equipment for food processing, and the efficient wheat meal screening equipment is good in screening effect, is high in screening speed, and saves time and labor.The top of a bottom plate is sequentially equipped with a bracket, a drive device and a collecting frame from left to right; the middle part of the right side surface of the bracket is connected witha cross plate in a bolt connecting mode; the right side surface of the cross plate is equipped with a blocking hopper in the bolt connecting mode; the middle part of the blocking hopper is equipped with a screening device; and a screening part of the screening device is positioned in the blocking hopper. The efficient wheat meal screening equipment is driven by a first motor, so that a screening frame moves left and right for screening wheat meal, and therefore, the effects of being good in screening effect, being high in screening speed and being time-saving and labor-saving are achieved.

The invention provides a cutting scrap iron multi-angle collecting device for machining, relates to the technical field of scrap iron collection, and aims to solve the problems that an existing scrapiron collecting device cannot collect scrap iron in multiple directions in use and cannot automatically increase the collecting capacity when the scrap iron is large in quantity. The cutting scrap iron multi-angle collecting device comprises a main body, mounting parts, a moving part, an inner part and supporting parts. The main body is of a circular structure, a circular groove is formed in the bottom of the main body, and a circular hole is formed in the top end of the main body. The mounting parts are mounted at the top end of the main body. The moving part is used for being installed at the bottom of the main body, the main body can be located at the cutting position, generated scrap iron can completely enter the moving part in the cutting process, the scrap iron can be collected in anomnibearing mode, after the scrap iron is collected more, a bottom plate in the moving part is stressed to move downwards, then springs on the outer sides of inserting rods are compressed, the movingpart can move downwards in the main body, and therefore the collecting space is enlarged.

The invention discloses a numerical control machine tool with an automatic temperature control function, and relates to the technical field of machine tools. The numerical control machine tool comprises a numerical control machine tool body, wherein a heat dissipation air duct, a heating box and a temperature control module are fixedly installed on the numerical control machine tool body, a heat dissipation fan is rotatably installed in the heat dissipation air duct, the temperature control module is electrically connected with the heat dissipation fan and the heating box, and a cleaning device is arranged in the heat dissipation air duct and comprises a rotating shaft; and the rotating shaft is fixedly installed on the heat dissipation fan, a filter screen is fixedly installed on the inner wall of the heat dissipation air channel, a scraper is fixedly installed on the outer wall of the rotating shaft, and the scraper is installed on the outer wall of the filter screen in a sliding manner. According to the numerical control machine tool with the automatic temperature control function, the cleaning device and the filter screen are arranged on the heat dissipation air channel, so that impurities such as scrap iron can be effectively blocked, the scraping plate can scrape the impurities such as the scrap iron on the filter screen, the flow rate of the filter screen is increased, and the normal heat dissipation efficiency of the heat dissipation air channel is guaranteed.

The invention belongs to the technical field of agriculture, and particularly relates to a soil improvement method. An improvement device is adopted in the method. The improvement device comprises a box, and further comprises connecting units, first driving units, a second driving unit, a mixing unit, a material taking unit, a first plate, a second plate, a third plate, a fourth plate and a gas storage chamber. The connecting units, the first driving units, the second driving unit, the mixing unit and the material taking unit mutually cooperate, on the one hand, through clockwise and anticlockwise rotation of stirring plates, an improvement agent and soil are sufficiently and uniformly mixed through the stirring plates, the soil is refined and sufficiently absorbs oxygen, the oxygen content of the soil is ensured, and the improvement effect of the soil is improved; on the other hand, through cooperation of fixing columns, fixing rods and rotary rollers, the bump force borne by the improvement device in the running process is relieved, the improvement device is prevented from being tipped over, and therefore, the stability of the improvement device is improved.

The invention discloses a metal ceramic producing and processing device comprising a bearing plate, the right side of the top of the bearing plate is fixedly connected with a stabilizing seat, the top of the front face of the stabilizing seat communicates with a discharging pipe, the top of the stabilizing seat is provided with a processing device, and the top of the outer wall of the left side of the stabilizing seat is fixedly connected with a middle fixing plate; and a storage barrel is arranged in the middle of the bottom of the middle fixing plate. The invention relates to the technical field of ceramic processing. According to the metal ceramic producing and processing device, the fixing area of the metal ceramic producing and processing device can be increased through the bearing plate, the stability of a preparation barrel can be improved through connection of a supporting frame and a partition plate, meanwhile, the interior can be partitioned through the partition plate, therefore material collection is facilitated, through communication between a communication mechanism and a material receiving mechanism, the phenomenon that materials are scattered in the metal ceramic producing and processing device is effectively avoided, so that the phenomenon that last working materials are left in gaps is avoided, the subsequent preparation quality is improved, and adhesion of internal impurities during processing is reduced.

The invention relates to the technical field of sewage treatment, and discloses an integrated sewage lifting device. The device comprises a bottom plate, a floating cylinder and lifting devices, the floating cylinder is a rectangle with a hollow-out bottom face, the bottom plate is fixedly connected to the bottom face of the floating cylinder, the two sides of the top face of the bottom plate arein hollow-out states, the two lifting devices are mounted on the inner walls of the two sides of the bottom plates in a sleeving manner correspondingly, through the lifting devices, a sewage collecting bottle is used for digging rain sewage on the water area surface, the rain sewage is separated from water surface tension to be stacked on the sunken bottom face inner wall of the sewage collectingbottle, collecting and separating of the rain sewage on the water area surface can be achieved, water flowing serves as power, two sewage collecting plates can be driven to be in opening and closing track motion, the stacked rain sewage in the sewage collecting bottle is compressed, the volume of the rain sewage is reduced, the storage amount of the sewage collecting bottle is increased, the rainsewage density can be increased, the possibility that the rain sewage is flushed away by the water flow can be avoided, the sewage collecting plates are used for containing part of rain sewage, and the collecting space of the sewage collecting bottle for the rainwater can be widened.

A multi cyclone collector with an improved structure is disclosed for providing the highest number of second cyclone collector (300) by disposing a plurality of second cyclone collector (300) in a non circular shape (400) arrangement along a first cyclone collector, thereby increasing collecting efficiency.

The invention relates to the technical field of food detection boxes, in particular to a portable food detection box. The portable food detection box comprises a food detection box body, a storage box is arranged on the surface of the food detection box body, a center column is arranged on a bottom plate of the storage box, a plug plate is arranged on the top surface of the center column, and connecting screw holes are formed in the top surfaces of the plug plate and the center column. A locking screw rod is inserted into the connecting screw hole, the locking screw rod is in threaded connection with the surface of a sealing plate, a butt joint groove is formed in the bottom surface of the sealing plate, and a plug plate is inserted into the butt joint groove; the portable food detection box has the beneficial effects that the storage boxes are additionally arranged on the two sides of the portable food detection box to collect and store sampling pipes, after the sampling pipes are inserted into limiting seats, supporting strips are expanded outwards, clamping heads extrude damping fins to be attached to the surfaces of the sampling pipes, the sampling pipes are prevented from bumping, the two storage boxes expand the sample collection space of the food detection box, and the locking screw rod can be driven to be screwed on the central column by screwing the handle, so that the sealing plate is fixed.

The invention discloses a compression device capable of conveniently collecting industrial waste. The compression device comprises a compression device shell, a filtering plate and a forward and backward motor; a first collection chamber is arranged in the compression device shell; a second collection chamber is mounted on the right side of the first collection chamber; a discharging opening is fixedly formed in the bottom of the first collection chamber; grooves are formed in the inner walls of the first collection chamber; the grooves are internally provided with fixing springs, and the fixing springs are fixedly arranged on the left and right sides of the filtering plate; a first rolling shaft is mounted above the filtering plate; connecting rods are fixedly arranged on the left and right sides of the first rolling shaft; and bearings are mounted outside the connecting rods. The compression device convenient for collecting industrial waste is provided with the first collection chamber and the second chamber, and therefore industrial waste can be placed into the first collection chamber and the second collection chamber after being classified, so that waste capable of being smashed is placed together and waste unable to be smashed is placed together, and industrial waste treatment is convenient.

The invention relates to a tennis training court, in particular to a tennis training court with an automatic tennis ball collecting function. The tennis training court has high safety and has the function of collecting tennis balls concentrically, comprises tennis ball collecting devices arranged at both left and right sides in the tennis court. Tennis balls fall into collecting baskets automatically under action of slide ways; users turn a rocker to drive a reel through a revolving shaft, and then a first pull string is wound on the reel to move the corresponding collecting basket upwards, sothat the balls in the collecting basket can be picked out by the users conveniently; further, the tennis balls in the collecting basket wobble when users pull a third pull string to drive a lifting plate to wobble, and thus, collecting space of the collecting basket is enlarged effectively.

The invention relates to the technical field of garbage treatment, and discloses a garbage treatment device. The garbage treatment device comprises a control part, a vehicle body and a pretreatment mechanism; the internal of a cylinder is divided into a front cavity and a back cavity through a piston; the side, near the back cavity, of the piston is connected with a piston rod; a free end of the piston rod is connected with an air pipe capable of extending; one end of the air pipe communicates with the front cavity of the cylinder, and the other end of the air pipe penetrates out of the vehicle body to communicate with a sucker; the back edge of the bottom of the vehicle body is hinged with a tipping bucket capable of automatically overturning front and back; the bottom of the vehicle bodyis rotationally connected with a front wheel through a first fixed shaft, and is rotationally connected with a rear wheel through a second fixed shaft; a roller is rotationally connected to the second fixed shaft; multiple blades are peripherally arranged on the outer edge of the roller; the roller is fixedly connected with the rear wheel through an acceleration mechanism; the pretreatment mechanism comprises a lead screw, a nut and a support plate; the lower end of the lead screw is connected with a turntable; and the bottom edge of the turntable is vertically connected with a drill bit. Thegarbage treatment device can collect garbage in ice blocks to prevent falling into a river to flow away.

The invention discloses an injection mold with an air cooling device, and relates to the technical field of molds. The injection mold comprises a workbench, an air duct box is fixedly installed on the inner wall of the workbench, the air cooling device is arranged in the air duct box, the air cooling device comprises a cooling fan, the cooling fan is fixedly installed on a rotating shaft, and the rotating shaft is rotatably installed on a rotating rod; a knocking plate is fixedly installed on the outer wall of the rotating shaft, a fixing pipe is fixedly installed on the outer wall of the rotating rod, an arc-shaped sliding block is fixedly installed at the end, away from the rotating rod, of the fixing pipe, and the arc-shaped sliding block is installed on the outer wall of the semicircular sliding rail in a sliding mode. According to the injection mold with the air cooling device, the air cooling device is arranged on the air duct box, when a heat dissipation fan rotates to conduct air cooling heat dissipation, a fixing pipe can drive a rotating rod to conduct circumferential rotation, the rotating rod can drive the heat dissipation fan to swing, the air cooling range of the heat dissipation fan can be widened, and the heat dissipation efficiency is improved. And the air-cooling heat dissipation efficiency of the air duct box is further improved.

To enlarge a containing space for a containing box disposed under a seat in a low-floor type vehicle in which a rear cushion for a rear wheel is disposed roughly at a center of a car body. The low-floor type vehicle 10 is a scooter type motorcycle comprising an engine 100 mounted under a low floor, and the rear cushion 61 for the rear wheel disposed roughly at the center of the car body. Under the seat 58, the containing box 59 having a forward-backward length similar to a forward-backward length of the seat is provided. Under the containing box, the rear cushion for the rear wheel is laterally disposed. The containing box has an inspection lid for the rear cushion for the rear wheel on a bottom surface of it. The engine is suspended on a diamond frame 20. The rear cushion for the rear wheel is disposed along a rear part of an upper frame extended rearward and downward from a head pipe.

The invention discloses a sofa with an anti-pinch function, and relates to the technical field of sofas, the sofa comprises a back cushion and a seat cushion, the seat cushion is fixedly installed on the back cushion, the back cushion is provided with an anti-pinch device, the anti-pinch device comprises an elastic protection plate, the elastic protection plate is elastically installed between the outer wall of the back cushion and the outer wall of the seat cushion, and the elastic protection plate is provided with an anti-pinch device. The outer wall of the bottom of the elastic protection plate is rotationally installed on the top of a push plate, the bottom of the push plate is rotationally installed on the top of a sliding block, the sliding block is slidably installed on a sliding groove, and the sliding groove is fixedly formed in the top of a sliding plate. According to the sofa with the anti-pinch function, the anti-pinch device is arranged, and the elastic protection plate is arranged at the joint of the back cushion and the seat cushion, so that small objects or sundries can be effectively prevented from falling into the joint of the back cushion and the seat cushion through a gap, and meanwhile, the small objects or the sundries can be bounced off by virtue of the elasticity of the elastic protection plate; the small objects are prevented from being too close to the connecting position when taken, and the hand can be away from the connecting position.

The invention discloses a low-speed drilling machine with a scrap iron protection function, and relates to the technical field of machinery, the low-speed drilling machine comprises a drill bit, the drill bit is provided with a bulletproof device, the bulletproof device comprises a knocking plate, the knocking plate is fixedly installed on the outer wall of the drill bit, the drill bit is rotatably installed at the bottom of a control panel, and the bottom of the control panel is rotatably installed on an annular plate; a baffle is rotatably installed on the inner wall of the annular plate, a connecting rod is fixedly installed on the outer wall of the bottom of the annular plate, the bottom of the connecting rod is fixedly installed on the outer wall of a rotating ring, and the outer wall of the rotating ring is rotatably installed at one end of a pull rod. According to the low-speed drilling machine with the scrap iron protection function, a bulletproof device is arranged, a rotating ring drives an iron attraction block to rotate forwards and backwards to achieve the opening and closing effects, when the iron attraction block is closed, scrap iron can be attracted to a conical protection plate through attraction force to offset bounce force, and when the iron attraction block is opened, the attraction force is reduced or even disappears; at the moment, scrap iron can fall down along the diversion trench, and rebounding damage of scrap iron is reduced.

The invention discloses harmless environmental-friendly treatment equipment for medical waste. The equipment comprises a storage mechanism and an oxygen inlet. An oxygen spray port is formed in the bottom of the storage mechanism, an oxygen emission pipe is joined to the end part of the oxygen spray port, the oxygen inlet is formed in the end part of the oxygen emission pipe, a movable mechanism is placed on the end part of the oxygen inlet, rollers are mounted at the bottom of the movable mechanism, a fastening screw is arranged on the side end of the top of the movable mechanism in a penetrating manner, a main cover is spirally connected to the outer wall of the fastening screw, a handle is fixed to the top of the main cover, and a disinfection mechanism is mounted on the side wall of the movable mechanism. According to the harmless environmental-friendly treatment equipment for medical waste, by arranging the storage mechanism, slotted holes are formed in the middle of storage plates, so that waste is fully combusted in a combustion process, and barriers are prevented. Meanwhile, the storage plates are distributed at the side ends of a fixed column in an up-down layer manner, sothat medical wastes of different properties are placed in a differentiated manner favorably, and mass propagation of pathogenic bacteria due to cross infection is avoided.

The invention discloses a garbage collecting device which comprises a putting port, a storage device, a floor cover plate, a top cover oil cylinder, ultrasonic sensors and a lifting unit. The liftingunit comprises a hydraulic power pump set, a lifting oil cylinder, a scissors fork beam and a lifting platform. One end of the lifting oil cylinder is connected to a bottom plate, the other end of thehydraulic oil cylinder is connected to the lifting platform, and the lifting platform is connected to the bottom plate through the scissors fork beam; the putting port is mounted in the floor cover plate, and the floor cover plate is connected to the storage device; one end of the top cover oil cylinder is connected to the middle end of the floor cover plate while the other end of the top cover oil cylinder is connected to the lifting platform; and the storage device is composed of a plurality of storage boxes connected horizontally, and the ultrasonic sensor is arranged on the top of each storage box. The invention provides the garbage collecting device, so that the floor space is saved favorably, and the garbage collecting efficiency can be improved greatly.

The invention discloses an OCA disassembling platform, and relates to the technical field of machinery. Comprising a control box, a freezing device is arranged on the control box and comprises a linear motor, the linear motor is fixedly installed on the inner wall of the top of the control box, the output end of the linear motor is fixedly installed on the top of a push rod, and the push rod penetrates through and is slidably installed at the bottom of the control box; the bottom of the push rod is rotationally installed on the top of a first rotating rod, the bottom of the first rotating rod is rotationally installed on the top of a connecting rod, and the connecting rod is fixedly installed on the outer wall of the nozzle. According to the OCA disassembling platform, through the arrangement of the freezing device, when a freezing method is needed for disassembling, a linear motor and a nozzle are started to start working, the spraying dry ice cooling operation of the nozzle can be diffused from the center of a workpiece to the two sides, in this way, concentrated cooling of the nozzle is high in pertinence, and the efficiency of concentrated cooling is high; and the disassembly temperature can be reached without repeated freezing, so that the working efficiency is improved.

The invention relates to a ceiling structure comprising a cantilever and a first suspended ceiling. The first end of the cantilever is mounted on a wall or a roof; the second end of the cantilever is set upright on the wall and is used provided with a mounting part a ceiling board; the first suspended ceiling is a suspended ceiling fixed to the wall or is the roof; the ceiling board is spread on the mounting part, forming a second suspended ceiling; a gap is provided between the first suspended ceiling and the second suspended ceiling which are separate. The ceiling structure is multiple layered and is in a stepped multilayer structure; the ceiling structure is convenient to operate, thus labor intensity is low and decorating efficiency is greatly improved.

The invention discloses a multifunctional fish tank pneumatic filter. The multifunctional fish tank pneumatic filter comprises a filter shell, the top of the filter shell is provided with a top cover in a covered mode, the left side and the right side of the interior of the filter shell are provided with a left garbage collecting bin and a right garbage collecting bin respectively, the middle side of the interior of the filter shell is provided with a bacterium cultivation bin, an impeller for driving water to flow upwards is installed at the bottom of the bacterium cultivation bin, a left through hole and a right through hole which communicate with the left garbage collecting bin and the right garbage collecting bin are formed in the left side and the right side of the bottom of the bacterium cultivation bin respectively, a plurality of left water inlet through holes are evenly distributed in the left side of the left garbage collecting bin, a plurality of right water inlet through holes are evenly distributed in the right side of the right garbage collecting bin, left filter cotton is installed on the right side of the left garbage collecting bin, right filter cotton is installed on the left side of the right garbage collecting bin, and a water outlet pipe communicating with the bacterium cultivation bin is installed on the top cover. The multifunctional fish tank pneumatic filter is good in filtering effect, convenient to clean and capable of effectively keeping ecological balance of water quality in a fish tank.

The invention relates to a ceiling structure, comprising: a cantilever, the first end of the cantilever is installed on the wall or the roof, the second end of the cantilever is elongated upright on the wall, the cantilever has an installation part for installing the ceiling, the ceiling; the first ceiling , the first ceiling is the ceiling fixed on the wall, or the roof itself; wherein, the ceiling is laid on the installation part to form the second ceiling, and there is a gap between the first ceiling and the second ceiling , The two are separated from each other. Install multi-layer ceilings to form a stepped multi-layer structure, which is easy to operate, low in labor intensity, and can greatly improve the efficiency of decoration.

The invention relates to a connection rod small head system with grooves. The connection rod small head system comprises a small head end and a center hole arranged on the middle portion, wherein thefront surface and the back surface, close to the bottom end of the center hole, on the small head end are respectively provided with an inner concave groove, the inner concave groove has a one-way outward opening, and comprises a left arc part, a middle arc part and a right arc part, the left arc part, the middle arc part and the right arc part are sequentially connected, the center axis of the middle arc part coincides with the center axis of the center hole, the left arc part and the right arc part are symmetrically arranged left and right by using the center axis of the middle arc part as the symmetric line, the left end head of the left arc part is higher than the right end head of the left arc part, and the right end head of the right arc part is higher than the left end head of the right arc part. According to the present invention, with the design scheme, the edge load stress of the bushing can be reduced to achieve the low specific pressure of the connection rod small head bushing, and the rigidity is qualified so as to meet the lightweight design requirements.