831 results about "Left lateral wall" patented technology

The utility model belongs to the technical field of transmission shaft detection, and particularly relates to an automobile transmission shaft dynamic balance detection device which comprises a workbench, the upper surface of the workbench is fixedly connected with a protective shell, and the left side wall of the workbench is provided with a dynamic balance detector. When the transmission shaft detection device is used, the left end of the transmission shaft is clamped through the first claw disc, the electric push rod is started to push the adjusting plate to move leftwards according to the length of the transmission shaft to be detected, the second claw disc can clamp the right end of the transmission shaft, the protective door is pulled through the handle, the sliding block stably slides in the track, and the opening degree of the protective door can be limited. The first motor is started to drive the first claw disc, so that the automobile transmission shaft rotates, dynamic balance detection is carried out on the transmission shaft through the dynamic balance detector, detection personnel can conveniently observe from the outside through the perspective window, and when accidental falling occurs, blocking is carried out through the protective door, so that the probability of direct injury of the rotating shaft to personnel is reduced, and the detection safety is improved.

The utility model discloses a turnover machining tool, relates to the technical field of machining, and solves the problems that the two ends of a workpiece are clamped by a machining tool through a clamping device, so that the clamped position is blocked by the clamping device, and the part is inconvenient to machine. A first supporting plate and a second supporting plate are symmetrically and fixedly mounted at the two ends of the top face of the base correspondingly, a first rotating plate and a second rotating plate are rotationally connected into the left side wall of the first supporting plate and the right side wall of the second supporting plate correspondingly, and air cylinders are fixedly mounted on the side walls of the first rotating plate and the second rotating plate correspondingly; the clamping plates are fixedly connected to output shafts of the air cylinders correspondingly, a first reciprocating motor is fixedly installed on the right side wall of the first supporting plate, the two clamping plates are arranged to completely clamp the side walls of the two ends of a workpiece, the top faces and the bottom faces of the two ends of the workpiece are exposed, and the workpiece can be machined conveniently.

A chair for facilitating cross-legged seating is disclosed. The chair includes a seat portion defining an upper surface positioned towards rear end of the chair, and a leg support portion positioned towards a front end of the chair. The leg support portion defines a base, a left sidewall, and a right sidewall. The left sidewall defines a left inclined surface configured to support a left knee region of the user, and a left chamber configured to support a right foot of the user. The right sidewall defines a right inclined surface configured to support a right knee region of the user, and a right chamber configured to support a right foot of the user.

The utility model belongs to the field of file sorting technology, and in particular, relates to a file sorting and binding device, including a base plate, a vertical plate is fixedly provided on the upper rear of the base plate, through slots are provided at the middle positions of the left and right ends of the vertical plate, a bidirectional screw is connected to the middle bearing of the vertical plate, a servo motor is fixedly installed on the left side wall of the vertical plate, the output end of the servo motor is fixedly connected to the left end of the bidirectional screw, movable blocks are threadedly sleeved on the outer sides of the two ends of the bidirectional screw at opposite positions, a limit block is provided in the front of the middle of the movable block, an opening assembly is provided in the front of the top of the vertical plate, and a clamping assembly is installed below the opening assembly. The utility model starts the servo motor to control the rotation of the bidirectional screw, so that the two movable blocks can control the two second pressing plates to move synchronously in the direction of approaching each other through the connecting rod, and by adjusting the distance between the two second pressing plates, files of different sizes can be effectively positioned.

The utility model discloses a splicing type rectangular pipe jacking pipe piece which comprises an upper pipe piece section and a lower pipe piece section, a left clamping groove is formed in the lower end face of the left side wall of the upper pipe piece section, a right clamping groove is formed in the lower end face of the right side wall of the upper pipe piece section, a left clamping protrusion is arranged on the upper end face of the left side wall of the lower pipe piece section, and a right clamping protrusion is arranged on the upper end face of the right side wall of the lower pipe piece section. The left clamping protrusion is inserted into the left clamping groove and sealed through a left sealing rubber strip, and the right clamping protrusion is inserted into the right clamping groove and sealed through a right sealing rubber strip. A left sealing connector is arranged at the splicing position of the left clamping groove and the left clamping protrusion and comprises a left grouting opening formed in the surface of the left clamping groove, a left grouting pipe is pre-buried in the left side wall of the upper segment section, one end of the left grouting pipe is connected with the left grouting opening, and the other end of the left grouting pipe is connected with the right grouting opening. The other end of the right clamping groove extends to the right side of the left side wall of the upper pipe piece section and is used for being connected with a sealing filler grouting pump, and a right sealing connector is arranged at the splicing position of the right clamping groove and the right clamping protrusion. The spliced rectangular pipe jacking piece is good in waterproof effect.

A weapon accessory includes a barrel shroud that has left and right side walls from which rearwardly extends an attachment member. An upper member extends between upper portions of the left and right side walls. The upper member does not extend to a distal end of the barrel shroud, and instead a distal opening is left between the upper portions of the left and right side walls. This distal opening accommodates barrel tilt of a barrel extension.

Modular agricultural robot (1) for the automatic execution of field work comprising a left side panel module (2), a right side panel module (3) and a connecting module (5), wherein the connecting module (5) connects the left side panel module (2) and the right side panel module (3) and includes a suspension (12) for attaching an interchangeable work module (6), wherein each side panel module is equipped with at least one wheel unit (4) with a drive for the wheel unit (4) and at least one of the wheel units (4) is rotatable about the vertical axis, characterized in that the connecting module (5) is a telescopic mechanism comprising a central frame (7) and at least one extendable component, wherein the extendable component is movably attached to the central frame (7) at one end and to the side panel module at the other end.wherein the connecting module (5) further comprises a drive of the telescopic mechanism of the connecting module (5) for extending and retracting the extendable component, wherein the agro-robot (1) further comprises a control system (10) for controlling the drive of the telescopic mechanism and for controlling and rotating at least one wheel unit (4).

The utility model relates to the technical field of case protection, and discloses a case structure with a good waterproof effect, which comprises a waterproof component, a waterproof component and a waterproof component, the storage frame is connected to the interior of the case body in a penetrating manner; the motor is arranged on the left side wall of the case body; the gear is fixedly connected with an output shaft of the motor; the racks are symmetrically and slidably connected to the interior of the cavity; the frame body is fixedly connected to the tops of the two racks; the material stopping block is fixedly connected to the left side of the frame body; and the material pushing mechanism is arranged on the frame body and the material stopping block. The motor is started to drive the gear to rotate anticlockwise, the rack drives the frame body and the material stopping block to move leftwards, when the material stopping block moves out of the bottom of the material storage frame, the drying agent in the material storage frame falls into the frame body, after a certain time, the motor drives the gear to rotate clockwise, and the rack drives the frame body to move rightwards in the cavity. And when the material stopping block moves rightwards, the bottom end of the material storage frame is blocked, and at the moment, moisture in the air is absorbed by a drying agent in the frame body after passing through the heat dissipation net.

The invention discloses a fixing device for steel Yankee dryer processing, and relates to the technical field of Yankee dryer processing. Comprising a fixing seat, a fixing rod is slidably mounted in a middle inner wall cavity of the fixing seat in a limiting manner, and a first gear is mounted at the top edge of the left end of the fixing seat through a motor; the device further comprises a first gear ring, the first gear ring is concentrically and rotationally installed on the left end face of the fixing base through a bearing, the first gear ring is meshed with the first gear, a movable groove is formed in the left side wall of the first gear ring, an installation rod is connected into the movable groove through a first elastic telescopic rod, and an installation column is fixed into a cavity in the bottom of the installation base. The mounting column is sleeved with a positioning roller, and a positioning baffle is fixed to the bottom of the left end of the mounting base. The fixing device for machining the steel Yankee drying cylinder can connect and fix the cylinder body and the cylinder cover, clears are cleaned during circumferential welding, and meanwhile the fixing device is suitable for cylinder bodies of different specifications.

The invention provides plate cutting equipment for ship plate machining, and belongs to the technical field of ship plate machining, the plate cutting equipment comprises a first machining table and a second machining table, the left side wall of the second machining table is fixedly connected with the right side wall of the first machining table, and a limiting transfer mechanism is arranged on the upper surface of the first machining table; a laser cutting mechanism is arranged on the upper surface of the second machining table. Through the arranged discharging mechanism, under the cooperation of a push plate, the four faces of a plate can be limited, then the plate can be cut into the same length all the time, meanwhile, automatic discharging is more stable, deviation cannot occur in the discharging process, and then the subsequent stacking quality is improved; the front baffle and the rear baffle can move upwards without blocking the plates, the trays carry the plates to be smoothly moved out of the second machining table, discharging work is facilitated, cutting and collecting of the plates are more accurate and neat, the working environment is neat, and the overall working efficiency is higher.

The utility model relates to a meat product processing tumbling machine, which belongs to the technical field of tumbling machines, and comprises a support frame, a fixed table and a tumbling tank body, the right side of the upper surface of the support frame is provided with a material pouring mechanism, the outer side of the tumbling tank body is provided with an annular gear, and the outer side of the annular gear is meshed with a rotating gear. A supporting plate is arranged on the right side of the upper surface of the fixing table, a first motor is arranged on the left side of the supporting plate, and a stirring mechanism is arranged on the left side wall of the inner cavity of the tumbling tank body. According to the meat product processing tumbling machine, when discharging is conducted after tumbling is completed, the sealing cover can be twisted on the outer side of the right side of the tumbling tank body and opened, then the electric push rod can be started, the tumbling tank body is turned over rightwards, and meat products in the tumbling tank body can be discharged under the action of gravity; and then the discharged meat products are collected, so that the discharged and rolled meat products can be conveniently discharged.

The invention belongs to the technical field of spot welding machines, and particularly relates to hardware fitting manufacturing equipment which comprises a bottom plate and a rack arranged on the upper side wall of the bottom plate, the rear side wall of the rack is fixedly connected with an operation table, a PLC and a buzzer, and the front side wall of the rack is fixedly connected with a supporting seat. A supporting seat is fixedly connected to the left side wall of the rack, an air cylinder is fixedly connected to the lower side wall of the supporting seat, a connecting seat is fixedly connected to the upper side wall of the bottom plate, electrode seats are fixedly connected to the upper side wall of the connecting seat and the moving end of the air cylinder, electrode bodies are inserted into the electrode seats, and the placing plate is fixedly connected with the left side wall of the rack. When the spot welding machine works for a long time and pits are formed in the end face of the electrode due to pressure friction and local overheating, the situation can be automatically detected, repairing is conducted in time, and therefore the problem that the welding quality of the spot welding machine is affected due to the fact that the electrode with the pits is continuously used, and the strength of welding spots is not uniform is solved.

The utility model provides a material winnowing device. The material winnowing device comprises a box body, an air suction pipe, a suction fan and a discharging pipeline, a feeding port is formed in the top of the box body, the right side of the box body extends out of the box body to form an air suction pipe opening with the caliber gradually reduced from left to right, the air suction pipe is communicated with the air suction pipe opening, the bottom wall of the box body is obliquely arranged downwards from the right side of the box body to the left side wall of the box body, and the tail end of the bottom wall is connected with a right pipe wall arranged downwards. A guide plate which is obliquely arranged towards the lower right side is formed on the lower section of the left side wall, and a left pipe wall which is arranged downwards is connected to the guide plate; the top end of the right pipe wall is higher than the top end of the left pipe wall, and the right pipe wall and the left pipe wall define a discharging pipeline. According to the material winnowing device, by arranging the suction fan, airflow enters the box body through the discharging guide pipe to conduct winnowing on the materials, light materials are discharged through the suction pipe, and therefore the sorting effect and the sorting efficiency are improved, and the efficient production requirement can be met.

The bag making machine facilitating discharging comprises a base and a working box, the working box is fixedly connected to the right side of the top of the base, a collecting box is fixedly connected to the right side wall of the base, and a first spring is fixedly connected to the bottom of an inner cavity of the collecting box; a lifting plate is fixedly connected to the top end of the first spring, a fixed pulley is fixedly connected to the middle of the bottom of the collecting box, an electric capstan is fixedly connected to the lower side of the left side wall of the collecting box, a steel wire rope is wound around the outer side wall of the electric capstan, and the tail end of the steel wire rope penetrates through the collecting box and extends into an inner cavity of the collecting box; the bag making machine facilitating discharging is reasonable in structural design, the discharging regularity of plastic bags can be improved, follow-up manual collection is facilitated, the bag making machine facilitates discharging, when the plastic bags are cut, the plastic bags can be fixed in advance, and the cutting effect of the plastic bags is improved.

The utility model discloses an automobile accessory part processing clamp in the technical field of automobile accessory part clamps, which comprises a base, a sliding chute is arranged at the top of the base, a moving component is arranged in the sliding chute, and the moving component comprises a two-way screw rod which is connected with the left side wall in the sliding chute through a bearing. One end of the two-way screw rod penetrates through the right side wall in the sliding groove and is connected with a rotating plate arranged outside, the left side and the right side of the outer wall of the two-way screw rod are sleeved with sliding blocks, adjusting assemblies are arranged on the outer walls of the two sets of sliding blocks, two sets of first clamping plates are arranged above the base, and second clamping plates are arranged on the side walls, away from each other, of the two sets of first clamping plates; the first clamping plate and the second clamping plate are arranged to clamp and fix a plate and a pipe, and the positions of the first clamping plate and the second clamping plate can be adjusted under the action of the adjusting assembly, so that replacement is convenient, the clamp does not need to be replaced when different parts are clamped and fixed, and use is convenient.

The invention relates to the technical field of chemical mechanical polishing, in particular to an immersed double-frequency ultrasonic-assisted chemical mechanical polishing device which comprises a polishing pool with an upward pool opening. Two front supports which are distributed left and right are mounted on the front inner side surface of the polishing pool; a driving motor A with a rightward output shaft is mounted on the left outer side face of the polishing pool, and the output shaft of the driving motor A rotationally penetrates through the left side wall of the polishing pool and the front support close to the left; the right end of an output shaft of the driving motor A is connected with a driving roller, and the right end of the driving roller is rotationally supported on a front support close to the right; two rear supports which are distributed left and right are mounted on the rear inner side surface of the polishing pool; a driven roller is rotationally supported between the two rear supports; and a polishing belt is assembled on the driving roller and the driven roller together. The invention solves the problems of low polishing speed, poor surface quality after polishing, low polishing qualification rate and poor stability in the polishing process in the existing chemical mechanical polishing technology, and is suitable for the fields of semiconductor manufacturing, optical device processing and the like.

The wire feeding mechanism of the improved corrugated board main nail head machine head device comprises a machine head shell, a left fixing frame is fixed to the upper portion of the left side wall of a left side plate of the machine head shell, and a right fixing frame is fixed to the upper portion of the right side wall of a right side plate of the machine head shell. A main driving motor is fixed to the right side wall of a right side plate of the right fixing frame and drives a second transmission shaft movably connected in the left fixing frame through a bearing to rotate, third transmission gears are fixed to the left portion and the right portion of the second transmission shaft, and a connecting shaft is fixedly connected between a left side plate of the left fixing frame and the rear portion of a middle wall plate. Two positioning blocks are movably connected to the connecting shaft, pressing rollers are movably connected to the interiors of the positioning blocks, and transmission tooth parts are fixed or formed at the ends of the pressing rollers; parts such as the left fixing frame and the right fixing frame are located on the left side and the right side of the machine head shell, so that the height of the whole machine head shell is reduced, the installation range of the machine head shell is enlarged, and the applicability is better.

The spontaneous nystagmus inspection device comprises a base, the right side of the top of the base is connected with a fixed box, the upper end of the fixed box is open, the left side wall of the fixed box is connected with a first pedal, the top of the fixed box is connected with a vertical frame, and the upper end of the vertical frame is rotationally connected with a deflection shaft; a bearing seat is connected to the outer wall of the deflection shaft, a stroke groove is formed in the left side of the top of the base, a translation block is slidably connected into the stroke groove, a second pedal is connected to the top of the translation block, a stand column is connected to the top of the second pedal, and a checking plate is connected to the upper end of the stand column. The device is reasonable in structural design, the to-be-detected person is prevented from falling down, the sitting position stability training effect is enhanced, and follow-up treatment countermeasures can be conveniently formulated.

The invention belongs to the technical field of sheet metal welding spot detection, and particularly relates to a rapid test device for a sheet metal welding spot of a new energy automobile, the rapid test device comprises a mounting rack and a mechanical arm mechanism fixedly connected to the right side of the mounting rack, the inner wall of the lower side of the mounting rack is fixedly connected with a PLC, and the left side wall of the mounting rack is fixedly connected with a first electric push rod. When a new energy automobile metal plate welding spot is tested, the state that the welding spot is in the seaside for a long time and is eroded by salt in water vapor can be simulated, then the welding spot strength of a sheet metal part is tested, and therefore the comprehensiveness and diversity of test data are improved; and the number of unqualified welding spots can be automatically marked, so that an operator can conveniently record the data subsequently, and the accuracy of recording the data by the operator is improved.

The present invention discloses a pulley that is easy to disassemble and assemble, which includes a hook assembly, a locking assembly and a buckle assembly, wherein the hook assembly includes a left side wall, a right side wall, and a hook arranged between the left side wall and the right side wall; the locking assembly is arranged in the left side wall, including a locking cavity, a limiting buckle arranged in the locking cavity, and a spring connected to the limiting buckle; and the buckle assembly is connected to the locking assembly, including a locking rod and a locking ring sleeved on the locking rod; the hook (103) is sleeved on the outside of the locking rod; the radial diameter of the inner wall of the locking cavity is the same as the radial diameter of the locking rod, and a limiting cavity is further provided on the inner wall of the locking cavity; the easy-to-disassemble and assemble pulley of the present invention can conveniently disassemble, replace and reassemble the hook, so that the pulley can meet more diverse usage requirements, and the sleeve rod can be disassembled and assembled by simply pushing, which is easy to operate, has lower learning cost, is suitable for the structure of most pulleys, and has a wide range of applications.

The utility model belongs to the technical field of water supply and drainage construction, and particularly relates to a pipeline butt joint sealing structure for water supply and drainage construction, which comprises drainage pipes, first sealing rings are embedded in the inner walls of the ends, close to each other, of the two drainage pipes, and a first sealing ring is fixedly sleeved on the outer side of the right end of the drainage pipe on the left side. A plurality of clamping grooves are annularly formed in the outer edge of the left side of the first sealing ring, and an annular groove is formed in the right side of the first sealing ring. In the butt joint process of two adjacent drainage pipes, the fixing ring fixedly arranged on the left side wall of the second sealing ring can be inserted into the annular groove correspondingly formed in the right side wall of the first sealing ring, and the width of the fixing ring and the width of the annular groove are gradually increased from left to right, so that when the fixing ring and the annular groove are in butt joint, the sealing effect is good. The extrusion effect on the second sealing ring can be achieved, and the first sealing ring is matched, so that double sealing between the adjacent drainage pipes is achieved conveniently.

A range hood comprises an exhaust fume collecting hood, the bottom of the exhaust fume collecting hood is provided with an exhaust fume collecting cavity, and the exhaust fume collecting cavity is provided with a left side wall, a right side wall, a front side wall and a rear side wall, a flow guide wall is arranged at the top of the smoke collecting cavity and gradually inclines downwards from the left side edge and the right side edge to the center of the flow guide wall to be integrally in a V shape, the left side edge and the right side edge of the flow guide wall are connected with the upper edges of the left side wall and the right side wall of the corresponding smoke collecting cavity respectively, and a front air inlet is formed between the V-shaped front side edge of the flow guide wall and the corresponding front side wall. And a rear air inlet is formed between the V-shaped rear side edge of the flow guide wall and the corresponding rear side wall. The range hood is simple in structure and capable of guaranteeing the oil smoke suction effect, and due to the fact that the flow guide wall is in the V shape, oil drops adhering to the inner wall face and the outer wall face of the flow guide wall can flow downwards along the wall faces of the flow guide wall under the action of gravity of the oil drops to be collected to the center of the flow guide wall, and then collection and cleaning of the oil drops are facilitated. And the flow guide wall with the V-shaped structure is convenient to wipe and clean.

The numerical control machine tool comprises a numerical control machine tool body, a machining base is arranged at the bottom in the numerical control machine tool body, a cutter is arranged at the top in the numerical control machine tool body, a first opening is formed in the right side wall of the numerical control machine tool body, and a discharging plate is arranged in the first opening. A second opening is formed in the left side wall of the numerical control machine tool body, a material conveying assembly is arranged in the second opening, and a pushing assembly is arranged at the bottom in the numerical control machine tool body. Under cooperation of the discharging plate, the material conveying assembly and the pushing assembly, parts can be machined for feeding and discharging, manual operation for feeding and discharging is not needed, and the parts can be rapidly replaced; and the feeding and discharging efficiency is improved.

The utility model relates to the technical field of thermoprinting of plastic products, in particular to a thermoprinting machine for plastic products, which comprises a supporting frame, a thermoprinting roller and a fixing frame, a rotating disc is rotatably connected to the inner side of the left side wall of the supporting frame, a rotating seat is rotatably connected to the inner side of the rotating disc, and a back shore clamping plate is slidably connected to the right end of the rotating seat. According to the utility model, the threaded shaft can rotate through the rotation of the rotating disc, so that the transmission block can drive the transmission rod to rotate, and the arranged jacking and clamping plate can move towards the inner side or the outer side under the limiting action of the limiting rod, so that the jacking and clamping plate can stably support a cylindrical plastic product; and plastic products in other shapes can be clamped under the action of the jacking and clamping plate, the universality of the device is improved, the hot stamping effect on the plastic products is improved, and the plastic products can be conveniently disassembled and replaced by loosening the jacking and clamping plate and the plastic products.

The invention relates to the technical field of freezing drums, and discloses a refrigerant drum and a system, the refrigerant drum comprises a roller, two ports of the roller are provided with a left end cover and a right end cover, and the center of the left end cover is provided with a left sleeve; a right sleeve is arranged in the center of the right end cover; a liquid inlet pipe is arranged in an inner hole of the left sleeve, a valve body is arranged at the right end of the liquid inlet pipe, and a partition block is arranged in the valve body; a first branch pipe is arranged on the left side wall of the valve body; the first branch pipe is provided with a spraying assembly, and the spraying assembly sprays a refrigerant to the inner wall of the roller. A second branch pipe is arranged on the right side wall of the valve body and provided with a liquid suction pipe. A liquid outlet pipe is arranged in an inner hole of the right sleeve and is connected with the valve body; gasified refrigerant substances with the boiling point ranging from-198 DEG C to 0 DEG C are adopted, the refrigerant substances comprise liquid nitrogen, carbon dioxide, R507, R717, R134a and the like, the refrigerant is injected into the containing cavity and enters the rotary drum, and the rotary drum is rapidly cooled due to the fact that latent heat absorbs a large amount of heat in the refrigerant gasification process; the circulating system replaces traditional calcium chloride to serve as a refrigerant medium and recycles a gaseous refrigerant for recompression.

The invention discloses an outer shell stamping device for generator production, and particularly relates to the technical field of stamping device.The outer shell stamping device comprises a shell, a top plate is fixedly connected to the upper end of the shell, a C-shaped plate is fixedly connected to the middle of the upper end of the top plate, and a storage box is fixedly connected to the lower portion of the rear end of the shell; a stamping assembly is jointly slidably mounted on the left side wall and the right side of the inner surface of the shell, a bearing assembly is fixedly mounted on the lower portion of the rear side wall of the inner surface of the shell, and pushing assemblies are slidably mounted at the left end and the right end of the shell. According to the outer shell stamping device for generator production, through the arranged stamping assembly, when stamping forming is conducted on a stamping part, redundant materials are pressed to be broken and then collected in a unified mode, so that follow-up treatment of the redundant materials is facilitated, meanwhile, through the arranged bearing assembly, the bearing assembly can be matched with the stamping assembly, and the stamping efficiency is improved. The excess materials can automatically fall down towards the two sides, and the materials can be automatically ejected out when follow-up stamping is completed.

The utility model relates to an injection molding machine nozzle, in particular to an injection molding machine nozzle alignment mechanism which comprises a base, a mold fixedly connected to the upper end face of the base, an alignment groove formed in the right side wall of the mold, a movable plate slidably connected to the upper end face of the base, and an alignment outer cylinder fixedly connected to the upper end face of the movable plate. The left end face of the alignment outer cylinder is fixedly connected with an alignment block matched with the alignment groove, and a through hole is formed in the left side wall of the alignment block in a penetrating mode. An injection molding machine body is slidably connected into the alignment outer cylinder, an injection molding nozzle is mounted at the left end of the injection molding machine body, and the other end of the injection molding nozzle extends into the through hole. According to the utility model, the injection molding nozzle can be quickly aligned with the injection molding template, a buffer space can be provided for the movement of the injection molding nozzle, and the injection molding nozzle is prevented from being damaged due to collision.

An unpowered goods channel and beverage cabinet comprises a bracket assembly used for supporting the goods channel on a cabinet body, the bracket assembly is provided with a left side wall and a right side wall, and the left side wall and the right side wall jointly define a goods channel; the push plate mechanism is installed on the bracket assembly, and the push plate mechanism continuously provides pushing force pointing to the outlet direction of the goods channel for the goods stored in the goods channel; the goods outlet mechanism comprises a pair of limiting plates and a pair of blocking pieces, the pair of limiting plates are rotatably connected to the front ends of the left side wall and the right side wall correspondingly, and the limiting plates are configured to shield the front portion of the goods channel outlet in a natural state and can be opened under the action of external force to expose the outlet; the pair of blocking pieces is located behind the pair of limiting plates and installed on the left side wall and the right side wall respectively, each blocking piece is provided with an elastic telescopic element, and the blocking pieces can stretch into the commodity channel to block rear commodities from moving forwards along the commodity channel.