CN114176371B

CN114176371B - Convenient type removes supermarket cabinet

Info

Publication number: CN114176371B
Application number: CN202111412749.3A
Authority: CN
Inventors: 殷世宏; 杨振平; 殷孟涛; 周天增; 殷泽宇; 赵博
Original assignee: Hefei Kimay Electrical Appliance Co ltd
Current assignee: Hefei Kimay Electrical Appliance Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-11-04
Anticipated expiration: 2041-11-25
Also published as: CN114176371A

Abstract

The invention relates to the technical field of supermarket cabinets, in particular to a convenient movable supermarket cabinet, and provides a scheme for solving the problem that the arrangement of goods in the supermarket cabinet in the prior art is not convenient enough. The goods arranging device can simply and labor-saving incline the placing plate when arranging goods on the placing plate, so that the goods can be quickly drawn together, and can also drive the conveyor belt to rotate when the placing plate is leveled again from an inclined state, so that the goods on the placing plate are further drawn together, the efficiency of arranging the goods is greatly improved, and the goods arranging device is easy to popularize and use.

Description

Convenient type removes supermarket cabinet

Technical Field

The invention relates to the field of supermarket cabinets, in particular to a portable mobile supermarket cabinet.

Background

At present, the cupboard that the supermarket the inside can be used for when putting the goods often is called supermarket cabinet, current supermarket cabinet generally all is provided with a plurality of boards of placing that are used for putting the goods, a plurality of boards of placing distribute in proper order from the top down, because the board of placing of current supermarket cabinet all is fixed mounting on the cabinet body, after some goods on placing the board are taken away by customer, will appear the space between the goods, the goods on perhaps placing the board again has appeared after being selected by customer and has been chaotic, put and do not strive for gas, at this moment just need the salesman to arrange in order it. The current arrangement mode is that the salesmen arrange the goods one by one, the efficiency of the mode is slower, and when the goods shelf is higher, the arrangement of the salesmen is probably not very convenient, so that the scheme provides the convenient mobile supermarket cabinet.

Disclosure of Invention

The convenient and fast type mobile supermarket cabinet provided by the invention solves the problem that goods in the supermarket cabinet in the prior art cannot be conveniently and fast arranged.

In order to achieve the purpose, the invention adopts the following technical scheme:

a portable mobile supermarket cabinet comprises a cabinet body and four trundles arranged at the bottom of the cabinet body, and is characterized in that a storage cavity is formed in the front of the cabinet body, a plurality of placing plates which are sequentially distributed from top to bottom are rotatably connected in the storage cavity, a placing groove is formed in the top surface of each placing plate, a conveyor belt is installed in each placing groove, a cavity is formed in the cabinet body, a plurality of fixing grooves are formed between each storage cavity and each cavity, one end of each placing plate penetrates through each fixing groove to extend into the corresponding storage cavity and is fixedly provided with a first connecting shaft through a plurality of connecting blocks, one side of the cabinet body is provided with a mounting groove, one end of each first connecting shaft extends into the corresponding mounting groove, and a driving mechanism for driving the first connecting shaft to swing up and down and a transmission mechanism for driving the conveyor belt to rotate are installed in the mounting groove;

actuating mechanism is including installing the lifter plate that can reciprocate in the mounting groove, fixing at lifter plate one side cardboard and installing two sets of laborsaving assembly pulleys in the mounting groove, the cardboard card is outside first connecting axle, and two sets of laborsaving assembly pulleys are used for driving the lifter plate respectively and rise and descend, and when the lifter plate shifts up, place the board clockwise rotation, when the lifter plate moves down, place the board anticlockwise rotation, and drive mechanism works simultaneously, with the clockwise rotation of drive conveyer belt, actuating mechanism is still including installing the adjusting part who is used for driving laborsaving assembly pulley work in the mounting groove.

Preferably, the placing plate is rotatably connected with the storage cavity through two rotating shafts, the two rotating shafts are respectively fixed on two sides of the placing plate, the other end of the rotating shaft is rotatably connected with the inner wall of the storage cavity, a baffle is fixed on the top surface of the placing plate located at one end of the inner portion of the storage cavity, and the connecting point of the rotating shaft and the placing plate deviates from the middle of the side face of the placing plate and leans against the position of the baffle.

Preferably, set up the first connecting groove with the cavity intercommunication on the mounting groove inner wall, the one end of first connecting axle runs through first connecting groove and extends to the mounting groove in, the cardboard is for fixing two parallel arrangement's on the lifter plate splint, and first connecting axle is located between two splint and with splint sliding connection, and the distance between two splint is the same with the diameter of first connecting axle, and the length of splint is greater than first connecting axle diameter.

Preferably, laborsaving assembly pulley is including fixed rope sheave, leading wheel, fixed pulley and movable pulley, fixed rope sheave, leading wheel and fixed pulley are all installed on the mounting groove inner wall, install first couple on the fixed pulley, all install the second couple on the movable pulley, be fixed with first connecting rope on the first couple, and the other end of first connecting rope is walked around the movable pulley earlier and is wound on the fixed pulley again, at last on connecting adjusting part, be fixed with the second on the second couple and connect the rope, and the other end of second connecting rope is walked around the leading wheel earlier and is walked around fixed rope sheave again, at last with the one end rigid coupling of lifter plate, the one end of the second connecting rope in two laborsaving assembly pulleys is fixed respectively in the top and the bottom of lifter plate.

Preferably, the adjusting assembly comprises a fixed shaft rotatably connected to the inner wall of the mounting groove, two winding wheels sleeved outside the fixed shaft and an adjusting wheel fixed to the other end of the fixed shaft, one end of a first connecting rope in the two labor-saving pulley blocks is fixed to the two winding wheels respectively, the two first connecting ropes are wound on the two winding wheels in opposite directions, a handle is fixed to the edge of one side, away from the fixed shaft, of the adjusting wheel, and a locking assembly used for locking the adjusting wheel is mounted on one side of the mounting groove.

Preferably, the locking subassembly is including offering up the hole of accomodating on the inner wall of mounting groove one side, fixing reference column in accomodating the hole and offering the adjustment tank on the external wall of cabinet through the spring, and the adjustment tank is located mounting groove one side, and the spout has been seted up between adjustment tank and the accomodating hole, and one side that the reference column is close to the spout is fixed with the regulation post, and the one end of adjusting the post runs through the spout and extends to the adjustment tank in, seted up spacing hole on the regulating wheel lateral wall, the one end block of reference column is in spacing downthehole.

Preferably, a plurality of limiting frames are fixed on the back of the lifting plate, limiting columns are fixed on the inner wall of the mounting groove, and the limiting columns are movably sleeved with the limiting frames.

Preferably, the standing groove internal rotation is connected with two second connecting axles, set up the second spread groove with the cavity intercommunication on the mounting groove inner wall, the one end of one of them second connecting axle runs through the second spread groove and extends to the mounting groove in, drive mechanism is including fixing the ratchet that this second connecting axle is located one of the mounting groove and fixing the fixed plate on the mounting groove inner wall, install on the fixed plate with ratchet matched with shell fragment.

Preferably, a sealing door is installed outside the installation groove, and a pull ring is installed on the front surface of the sealing door.

The invention has the beneficial effects that:

1. through laborsaving loose pulley assembly, the cooperation between actuating mechanism and the adjusting part, can be convenient rotate a plurality of boards of placing to make when the goods on the board are placed in the arrangement, can will place the board slope, then under the effect of gravity, place the goods on the board and just can slide to the one side that is close to the baffle, thereby make and place the vacancy between the goods on the board and filled up, also make things convenient for simultaneously quick the putting of goods neat when the person of selling goods puts the goods.

2. Through the arrangement of the labor-saving pulley assembly, an operator can save more labor when rotating the adjusting wheel.

3. Through the setting of transmission assembly, can drive the ratchet clockwise rotation when will place the board and releveling from the tilt state, and then make the conveyer belt clockwise rotate to further drive the goods on the conveyer belt and be close to one side removal of baffle mutually.

The goods arranging device has a reasonable structure, can simply and labor-saving incline the placing plate when arranging goods on the placing plate, so that the goods can be quickly drawn together, and can also drive the conveying belt to rotate when the placing plate is leveled again from an inclined state, so that the goods on the placing plate are further drawn together, the efficiency of arranging and maintaining the goods is greatly improved, and the goods arranging device is easy to popularize and use.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side sectional view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a top cross-sectional view of the present invention.

Fig. 5 is an enlarged view of fig. 4 at B.

Fig. 6 is a schematic view of the structure of the placing board of the present invention.

The reference numbers in the figures: 1. a cabinet body; 2. a storage chamber; 3. placing a plate; 4. a baffle plate; 5. fixing grooves; 6. a sealing door; 7. a pull ring; 8. a lifting plate; 9. mounting grooves; 10. fixing the rope pulley; 11. a fixed pulley; 12. a first hook; 13. a movable pulley; 14. a guide wheel; 15. a winding wheel; 16. a first connecting groove; 17. a second connecting groove; 18. a ratchet wheel; 19. a spring plate; 20. a fixing plate; 21. a splint; 22. a cavity; 23. connecting blocks; 24. a conveyor belt; 25. a first connecting shaft; 26. a fixed shaft; 27. a limiting column; 28. a limiting frame; 29. an adjustment wheel; 30. a rotating shaft; 31. a second connecting shaft; 32. a receiving hole; 33. a positioning column; 34. a limiting hole; 35. an adjustment groove; 36. an adjustment column; 37. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a portable mobile supermarket cabinet comprises a cabinet body 1 and four casters mounted at the bottom of the cabinet body 1, wherein the four casters are respectively mounted at positions close to four corners at the bottom of the cabinet body 1, a storage cavity 2 is formed in the front of the cabinet body 1, a plurality of placing plates 3 distributed in sequence from top to bottom are rotatably connected in the storage cavity 2, the placing plates 3 are rotatably connected with the storage cavity 2 through two rotating shafts 30, the two rotating shafts 30 are respectively fixed at two sides of the placing plates 3, the other ends of the rotating shafts 30 are rotatably connected with the inner wall of the storage cavity 2, a baffle 4 is fixed on the top surface of one end of the placing plates 3 located in the storage cavity 2, the connecting point of the rotating shafts 30 and the placing plates 3 deviates from the middle of the side surfaces of the placing plates 3 and leans against the baffle 4, the rotating shafts 30 are arranged at positions deviating from the centers of the side surfaces of the placing plates 3, so that the placing plates are more labor-saving in the process of being lifted again from an inclined state is realized by means of the separation of levers, and the baffle 4 can be used for placing goods sliding from the tops of the inclined placing plates 3;

the cabinet body 1 is internally provided with a cavity 22, a plurality of fixing grooves 5 are arranged between the storage cavity 2 and the cavity 22, one end of the placing plate 3 penetrates through the fixing grooves 5 and extends into the storage cavity 2, and is fixed with a first connecting shaft 25 through a plurality of connecting blocks 23, one side of the cabinet body 1 is provided with a mounting groove 9, one end of the first connecting shaft 25 extends into the mounting groove 9, a driving mechanism for driving the first connecting shaft 25 to swing up and down is installed in the mounting groove 9, the driving mechanism comprises a lifting plate 8 which is installed in the mounting groove 9 and can move up and down, a clamping plate which is fixed on one side of the lifting plate 8 and two groups of labor-saving pulley blocks which are installed in the mounting groove 9, the clamping plate is clamped outside the first connecting shaft 25, the inner wall of the mounting groove 9 is provided with a first connecting groove 16 communicated with the cavity 22, one end of the first connecting shaft 25 penetrates through the first connecting groove 16 and extends into the mounting groove 9, the clamping plate is two clamping plates 21 which are fixed on the lifting plate 8 and arranged in parallel, the first connecting shaft 25 is positioned between the two clamping plates 21 and is in sliding connection with the clamping plates 21, the distance between the two clamping plates 21 is the same as the diameter of the first connecting shaft 25, the length of the clamping plates 21 is larger than the diameter of the first connecting shaft 25, the two groups of labor-saving pulley blocks are respectively used for driving the lifting plate 8 to ascend and descend, the driving mechanism also comprises an adjusting component which is arranged in the mounting groove 9 and is used for driving the labor-saving pulley blocks to work, a plurality of limiting frames 28 are fixed on the back surface of the lifting plate 8, a limiting column 27 is fixed on the inner wall of the mounting groove 9, the limiting frames 28 are movably sleeved outside the limiting column 27, the limiting frames 28 and the limiting column 27 are arranged, so that the lifting plate 8 can only move in the vertical direction, when the lifting plate 8 moves upwards, the clamping plates 21 lift the first connecting shaft 25 upwards, and the placing plate 3 rotates clockwise around a rotating shaft 30, on the contrary, when the lifting plate 8 moves downwards, the placing plate 3 rotates anticlockwise so as to achieve the purpose of rotating the placing plate 3, and the diameter of the first connecting shaft 25 is the same as the distance between the two clamping plates 21, so that the placing plate 3 is prevented from shaking randomly, when the first connecting shaft 25 is fixed, the placing plate 3 cannot rotate, and the length of the clamping plate 21 is larger than the diameter of the first connecting shaft 25, so that the first connecting shaft 25 cannot be separated from the clamping plates when the first connecting shaft 25 is lifted upwards;

the labor-saving pulley blocks comprise fixed rope wheels 10, guide wheels 14, fixed pulleys 11 and movable pulleys 13, the fixed rope wheels 10, the guide wheels 14 and the fixed pulleys 11 are all installed on the inner wall of the installation groove 9, first hooks 12 are installed on the fixed pulleys 11, second hooks are installed on the movable pulleys 13, first connecting ropes are fixed on the first hooks 12, the other ends of the first connecting ropes firstly pass around the movable pulleys 13 and then wind the fixed pulleys 11, and are finally connected to the adjusting assembly, second connecting ropes are fixed on the second hooks, the other ends of the second connecting ropes firstly pass around the guide wheels 14 and then pass around the fixed rope wheels 10, and finally are fixedly connected with one end of the lifting plate 8, one ends of the second connecting ropes in the two labor-saving pulley blocks are respectively fixed to the top and the bottom of the lifting plate 8, the movable pulleys can be kept away in a labor-saving mode, one movable pulley 11 is arranged in the pulley blocks, half of force can be saved, and accordingly an operator can drive the lifting plate 8 to move upwards or downwards in a labor-saving mode;

the adjusting assembly comprises a fixed shaft 26 rotatably connected to the inner wall of the mounting groove 9, two winding wheels 15 sleeved outside the fixed shaft 26 and an adjusting wheel 29 fixed to the other end of the fixed shaft 26, one end of a first connecting rope in the two labor-saving pulley blocks is respectively fixed to the two winding wheels 15, the two first connecting ropes are wound on the two winding wheels 15 in opposite directions, a handle is fixed to the edge of one side, away from the fixed shaft 26, of the adjusting wheel 29, a locking assembly used for locking the adjusting wheel 29 is installed on one side of the mounting groove 9, when the adjusting wheel 29 is rotated clockwise, the two winding wheels 15 rotate along the pointer at the same time, at this time, one first connecting rope is wound on the winding wheel 15, and the other connecting rope is released from the other winding wheel 15, at this time, the lifting plate 8 moves upwards, otherwise, when the adjusting wheel 29 is rotated anticlockwise, the lifting plate 8 descends;

the locking assembly comprises a containing hole 32 formed in the inner wall of one side of the mounting groove 9, a positioning column 33 fixed in the containing hole 32 through a spring and an adjusting groove 35 formed in the outer wall of the cabinet body 1, the adjusting groove 35 is positioned on one side of the mounting groove 9, a sliding groove 37 is formed between the adjusting groove 35 and the containing hole 32, an adjusting column 36 is fixed on one side of the positioning column 33 close to the sliding groove 37, one end of the adjusting column 36 penetrates through the sliding groove 37 and extends into the adjusting groove 35, a limiting hole 34 is formed in the side wall of the adjusting wheel 29, one end of the positioning column 33 is clamped in the limiting hole 34, when the positioning column 33 is clamped in the limiting hole 34, the adjusting wheel 29 is locked and cannot rotate, the lifting plate 8 cannot move, and therefore the stability of the placing plate 3 is kept;

a placing groove is formed in the top surface of the placing plate 3, a conveyor belt 24 is installed in the placing groove, a transmission mechanism for driving the conveyor belt 24 to rotate is installed in the mounting groove 9, two second connecting shafts 31 are rotationally connected in the placing groove, a second connecting groove 17 communicated with the cavity 22 is formed in the inner wall of the mounting groove 9, one end of one second connecting shaft 31 penetrates through the second connecting groove 17 and extends into the mounting groove 9, the transmission mechanism comprises a ratchet wheel 18 fixed to one end, located in the mounting groove 9, of the second connecting shaft 31 and a fixing plate 20 fixed to the inner wall of the mounting groove 9, a spring piece 19 matched with the ratchet wheel 18 is installed on the fixing plate 20, in the process of anticlockwise rotation of the placing plate 3, the transmission assembly starts to work, the spring piece 19 abuts against a tooth seam of the ratchet wheel 18, the ratchet wheel 18 also starts to clockwise rotate along with rotation of the placing plate 3, so that the conveyor belt 24 is driven to clockwise rotate, one side, which is close to the baffle 4, goods placed on the conveyor belt 24 can be gathered together, the goods are placed more neatly placed, and in the process of clockwise rotation of the placing plate 3, the spring piece 19 can slide on the surface of the ratchet wheel 18, and cannot drive the ratchet wheel 18 to rotate;

the externally mounted of mounting groove 9 has sealing door 6, and sealing door 6's front mounting has pull ring 7, and sealing door 6 is used for getting up mounting groove 9 is sealed, avoids the spare part damage in the mounting groove 9.

The working principle is as follows: when goods are placed, the goods are placed on the surface of the conveying belt 24, when the goods need to be arranged, the placing plate 3 is firstly inclined, at the moment, the adjusting column 36 is firstly moved to move one end of the positioning column 33 to the outside of the limiting hole 34, then the handle is held to rotate the adjusting wheel 29 clockwise, so that the two winding wheels 15 rotate along the pointer simultaneously, and at the moment, one of the first connecting cords is wound up on the winding wheel 15, while the other connecting cord is unwound from the other winding wheel 15, at which point the lifting plate 8 moves upwards, thereby lifting the first connecting shaft 25 upwards, so that the placing plate 3 rotates along the pointer with the 30-position rotation center of the rotation shaft until the adjusting wheel 29 rotates for a circle, one end of the positioning column 33 is clamped into the limiting hole 34 again, the adjusting wheel can then be released, at which time the placing plates 3 are all in an inclined state, and the goods on the conveyor belt 24 slide down to the side of the baffle 4 under the action of gravity, thereby eliminating the gap between the goods, then further arranging the goods on the goods shelf conveniently and quickly, then moving the positioning column 33 to the outside of the limiting hole 34 again, then rotating the adjusting wheel 29 for a circle anticlockwise, then clamping by the positioning column 33, in the process of anticlockwise rotating the adjusting wheel 29, the lifting plate 8 moves downwards, thereby driving the placing plate 3 to anticlockwise rotate and return to the original position again, in the process of anticlockwise rotating the placing plate 3, the transmission assembly starts to work, the elastic sheet is pressed against the tooth gaps of the ratchet wheel 18, along with the rotation of the placing plate 3, the ratchet wheel 18 also starts to rotate clockwise, thereby drive conveyer belt 24 clockwise to can further put together the goods of placing on conveyer belt 24 and be close to one side of baffle 4 mutually, make the goods put more neatly.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A portable mobile supermarket cabinet comprises a cabinet body (1) and four trundles arranged at the bottom of the cabinet body (1), and is characterized in that a storage cavity (2) is formed in the front of the cabinet body (1), a plurality of placing plates (3) distributed in sequence from top to bottom are rotatably connected in the storage cavity (2), a placing groove is formed in the top surface of each placing plate (3), a conveyor belt (24) is installed in each placing groove, a cavity (22) is formed in the cabinet body (1), a plurality of fixing grooves (5) are formed between the storage cavity (2) and the cavity (22), one end of each placing plate (3) penetrates through each fixing groove (5) to extend into the storage cavity (2) and is fixed with a first connecting shaft (25) through a plurality of connecting blocks (23), each placing plate (3) is rotatably connected with the storage cavity (2) through two rotating shafts (30), the two rotating shafts (30) are respectively fixed on two sides of each placing plate (3), the other end of each rotating shaft (30) is rotatably connected with the inner wall of the storage cavity (2), the placing plate (3) is fixed with the top surface (4) at one end, the placing plate (3) located in the storage cavity (2), and the middle position of each rotating shaft (9) is deviated from the corresponding to the corresponding mounting groove (9), one end of the first connecting shaft (25) extends into the mounting groove (9), and a driving mechanism for driving the first connecting shaft (25) to swing up and down and a transmission mechanism for driving the conveying belt (24) to rotate are mounted in the mounting groove (9);

the driving mechanism comprises a lifting plate (8) which is arranged in the mounting groove (9) and can move up and down, a clamping plate which is fixed on one side of the lifting plate (8) and two groups of labor-saving pulley blocks which are arranged in the mounting groove (9), wherein the clamping plate is clamped outside the first connecting shaft (25), the two groups of labor-saving pulley blocks are respectively used for driving the lifting plate (8) to ascend and descend, when the lifting plate (8) moves up, the placing plate (3) rotates clockwise, when the lifting plate (8) moves down, the placing plate (3) rotates anticlockwise, meanwhile, the transmission mechanism works to drive the conveyor belt (24) to rotate clockwise, and the driving mechanism further comprises an adjusting component which is arranged in the mounting groove (9) and used for driving the labor-saving pulley blocks to work;

the inner wall of the mounting groove (9) is provided with a first connecting groove (16) communicated with the cavity (22), one end of a first connecting shaft (25) penetrates through the first connecting groove (16) and extends into the mounting groove (9), the clamping plates are two clamping plates (21) which are fixed on the lifting plate (8) and arranged in parallel, the first connecting shaft (25) is positioned between the two clamping plates (21) and is in sliding connection with the clamping plates (21), the distance between the two clamping plates (21) is the same as the diameter of the first connecting shaft (25), and the length of the clamping plates (21) is larger than the diameter of the first connecting shaft (25);

the placing groove is rotationally connected with two second connecting shafts (31), the inner wall of the mounting groove (9) is provided with a second connecting groove (17) communicated with the cavity (22), one end of one second connecting shaft (31) penetrates through the second connecting groove (17) and extends into the mounting groove (9), the transmission mechanism comprises a ratchet wheel (18) fixed at one end of the second connecting shaft (31) positioned in the mounting groove (9) and a fixing plate (20) fixed on the inner wall of the mounting groove (9), the fixing plate (20) is provided with an elastic sheet (19) matched with the ratchet wheel (18), a sealing door (6) is installed outside the mounting groove (9), and the front surface of the sealing door (6) is provided with a pull ring (7);

the labor-saving pulley block comprises a fixed pulley wheel (10), a guide wheel (14), a fixed pulley (11) and a movable pulley (13), the fixed pulley wheel (10), the guide wheel (14) and the fixed pulley (11) are all installed on the inner wall of the installation groove (9), a first hook (12) is installed on the fixed pulley (11), a second hook is installed on the movable pulley (13), a first connecting rope is fixed on the first hook (12), the other end of the first connecting rope firstly bypasses the movable pulley (13) and then winds the fixed pulley (11), and is finally connected to the adjusting assembly, a second connecting rope is fixed on the second hook, the other end of the second connecting rope firstly bypasses the guide wheel (14) and then bypasses the fixed pulley wheel (10), and is finally fixedly connected with one end of the lifting plate (8), and one ends of the second connecting ropes in two labor-saving modes are respectively fixed to the top and the bottom of the lifting plate (8);

the adjusting assembly comprises a fixed shaft (26) rotatably connected to the inner wall of the mounting groove (9), two winding wheels (15) sleeved outside the fixed shaft (26) and an adjusting wheel (29) fixed to the other end of the fixed shaft (26), one end of a first connecting rope in the two labor-saving pulley blocks is respectively fixed to the two winding wheels (15), the two first connecting ropes are wound on the two winding wheels (15) in opposite directions, a handle is fixed to the edge of one side, away from the fixed shaft (26), of the adjusting wheel (29), and a locking assembly for locking the adjusting wheel (29) is mounted on one side of the mounting groove (9);

the locking assembly comprises a containing hole (32) formed in the inner wall of one side of the mounting groove (9), a positioning column (33) fixed in the containing hole (32) through a spring and an adjusting groove (35) formed in the outer wall of the cabinet body (1), wherein the adjusting groove (35) is located on one side of the mounting groove (9), a sliding groove (37) is formed between the adjusting groove (35) and the containing hole (32), an adjusting column (36) is fixed on one side, close to the sliding groove (37), of the positioning column (33), one end of the adjusting column (36) penetrates through the sliding groove (37) and extends into the adjusting groove (35), a limiting hole (34) is formed in the side wall of the adjusting wheel (29), and one end of the positioning column (33) is clamped in the limiting hole (34).

2. A portable mobile supermarket cabinet according to claim 1, wherein a plurality of limiting frames (28) are fixed to the back of the lifting plate (8), limiting columns (27) are fixed to the inner wall of the mounting groove (9), and the limiting frames (28) are movably sleeved on the outer portions of the limiting columns (27).