阅读说明：本技术 一种单螺杆式密封制冷压缩机 (Single screw rod type sealed refrigeration compressor ) 是由 陈永创 于 2021-01-22 设计创作，主要内容包括：本发明公开了一种单螺杆式密封制冷压缩机,包括压缩机体,其特征在于：所述压缩机体的上方设置有多层冰箱,所述多层冰箱由下至上设置有三层储存腔,三层所述储存腔由下至上分别为冷冻腔、冷藏腔和保鲜腔,所述冷冻腔、冷藏腔和保鲜腔内均设置有冷凝管,所述冷凝管与压缩机体管道连接,所述冷冻腔、冷藏腔和保鲜腔内的冷凝管数量逐次递减,所述冷冻腔、冷藏腔和保鲜腔的底部均设置有柔性气垫,所述冷凝管内部设置有张力膜,所述张力膜一侧设置有柔性牵拉丝,所述压缩机体上设置有档位调节器,所述压缩机体一侧还设置有净化槽,所述柔性牵拉丝与档位调节器连接,所述冷凝管与净化槽管道连接,本发明,具有省时省力和制冷效果好的特点。(The invention discloses a single-screw type sealed refrigeration compressor, which comprises a compressor body and is characterized in that: a multilayer refrigerator is arranged above the compressor body, the multilayer refrigerator is provided with three layers of storage cavities from bottom to top, the three layers of storage cavities from bottom to top are respectively a freezing cavity, a refrigerating cavity and a fresh-keeping cavity, the freezing chamber, the refrigerating chamber and the fresh-keeping chamber are all provided with a condensing pipe which is connected with a pipeline of the compressor body, the number of the condenser pipes in the freezing cavity, the refrigerating cavity and the fresh-keeping cavity is gradually reduced, the bottoms of the freezing cavity, the refrigerating cavity and the fresh-keeping cavity are all provided with flexible air cushions, a tension film is arranged in the condensation pipe, a flexible traction wire is arranged on one side of the tension film, a gear regulator is arranged on the compressor body, a purifying groove is arranged on one side of the compressor body, the flexible traction wire is connected with the gear regulator, the condenser pipe is connected with the purification tank through a pipeline, and the refrigeration system has the characteristics of time saving, labor saving and good refrigeration effect.)

1. A single screw type sealed refrigeration compressor comprises a compressor body (1), and is characterized in that: the refrigerator is characterized in that a multilayer refrigerator (2) is arranged above the compressor body (1), the multilayer refrigerator (2) is provided with a three-layer storage cavity from bottom to top, the three-layer storage cavity is respectively a freezing cavity (22), a cold storage cavity (23) and a fresh-keeping cavity (24) from bottom to top, condensing pipes (25) are arranged in the freezing cavity (22), the cold storage cavity (23) and the fresh-keeping cavity (24), the condensing pipes (25) are connected with the compressor body (1) through pipelines, the number of the condensing pipes (25) in the freezing cavity (22), the cold storage cavity (23) and the fresh-keeping cavity (24) is gradually reduced, flexible air cushions (21) are arranged at the bottoms of the freezing cavity (22), the cold storage cavity (23) and the fresh-keeping cavity (24), a tension film is arranged inside the condensing pipes (25), a flexible drawing wire is arranged on one side of the tension film, a gear regulator is arranged on the compressor body (, compressor body (1) one side still is provided with purifies the groove, the flexibility is drawn wire and is connected with the gear regulator, condenser pipe (25) and purification groove pipe connection.

2. The single screw hermetic refrigeration compressor according to claim 1, wherein: multilayer refrigerator (2) one side is provided with the reserve storehouse body (3), reserve storehouse body (3) is inside by supreme three-layer reserve chamber that is provided with down, every layer the reserve chamber respectively with freezing chamber (22), cold-stored chamber (23) and fresh-keeping chamber (24) one-to-one, the reserve chamber is provided with replenishment pipe (31) with the junction of storing the chamber, replenishment pipe (31) inside is provided with liquid bag (32) and lower liquid bag (33) respectively, reserve storehouse body (3) is inside to be provided with the adsorption tank, the adsorption tank is connected with purification groove pipe, activated carbon powder has been laid in the adsorption tank and the connecting tube who purifies the groove, reserve storehouse body (3) one side is provided with the exhaust hole.

3. The single screw hermetic refrigeration compressor according to claim 2, wherein: the opposite side of reserve storehouse body (3) is provided with fills mechanism (4), fill mechanism (4) and fill the subassembly by supreme three-layer that is provided with down, the three-layer fill the subassembly by supreme filling the subassembly down, fill in the subassembly and fill the subassembly on, every layer fill the subassembly respectively with every layer of reserve chamber one-to-one, fill the subassembly including case (41) that surges, case (41) inside is provided with liquid push pedal (42) that surges, magnetism is connected with switch box (43) above liquid push pedal (42), switch box (43) top is provided with the push rod, the push rod other end is connected with slurcam (44), slurcam (44) and benefit goods pipe (31) are the cooperation structure, case (41) and flexible air cushion (21) pipe connection surges.

4. A single screw hermetic refrigeration compressor according to claim 3, wherein: every layer fill up the subassembly fill case (41) that surges and other two-layer fill the subassembly surge case (41) between be connected with check tube (47) and valve pipe (49) respectively, be provided with the check valve in check tube (47), be provided with the hydraulic pump on valve pipe (49), be connected with clean shot (45) on valve pipe (49), clean shot (45) inside is provided with valve plate (46), be connected with articulated connecting rod (48) between valve plate (46) and liquid push pedal (42), go up liquid bag (32) and correspond check tube (47) pipe connection on layer, clean shot (45) pipe connection of lower layer of liquid bag (33) and lower layer.

5. The single screw hermetic refrigeration compressor according to claim 4, wherein: the other side of the multi-layer refrigerator (2) is provided with a door moving mechanism (5), the door moving mechanism (5) comprises a first door moving cavity (51) and a second door moving cavity (52), a control box (53) is connected between the first door moving cavity (51) and the second door moving cavity (52) through a pipeline, a fixed shaft and a moving shaft are arranged inside the first door moving cavity (51) and the second door moving cavity (52), an upper plug plate and a lower plug plate are arranged inside the control box (53), a piston cavity is arranged between the upper plug plate and the lower plug plate, an upper pressing cavity is arranged above the upper plug plate, a lower pressing cavity is arranged below the lower plug plate, the upper pressing cavity is connected with the second door moving cavity (52) through a pipeline, the other end of the second door moving cavity (52) is connected with a fresh-keeping cavity (24) through a pipeline, the lower pressing cavity is connected with the first door moving cavity (51) through a pipeline, and the other end of the first door moving cavity (51) is connected with a freezing cavity (22) through a pipeline, the improved refrigerator is characterized in that a folded plate is connected between the upper plug plate and the lower plug plate, a valve cavity (54) is arranged on one side of the control box (53), a check valve II is arranged inside the valve cavity (54), the folding position of the folded plate is connected with a check valve II connecting rod, and the other end of the valve cavity (54) is connected with the refrigerating cavity (23) through a pipeline.

6. The single screw hermetic refrigeration compressor according to claim 5, wherein: the lower pressure cavity is connected with the flexible air cushion (21) through a pipeline, the other side of the lower pressure cavity is connected with an internal pipeline of the valve cavity (54), a third check valve is arranged on a connecting pipeline of the valve cavity (54) and the lower pressure cavity, a fourth check valve is arranged on a connecting pipeline of the flexible air cushion (21) and the lower pressure cavity, the upper pressure cavity is connected with the filling mechanism (4) through a pipeline, and the other side of the upper pressure cavity is connected with the valve cavity (54) through a pipeline.

7. The single screw hermetic refrigeration compressor according to claim 6, wherein: be provided with pneumatic valve (55) on the connecting tube in door moving chamber (51) and freezing chamber (22), pneumatic valve (55) inside is provided with the hole cock board, hole cock board below connecting rod is connected with propeller (56), propeller (56) one end is provided with the piston needle, propeller (56) inside is provided with the sponge ball, freezing chamber (22) inside is provided with heating panel (57), heating panel (57) and pneumatic valve (55) pipe connection, heating panel (57) and sponge ball pipe connection.

8. The single screw hermetic refrigeration compressor according to claim 7, wherein: be provided with watering subassembly (58) on the connecting tube in door action chamber two (52) and fresh-keeping chamber (24), watering subassembly (58) are including wind wheel chamber (581), wind wheel chamber (581) periphery is provided with three draw-in groove, and is three draw-in groove department all is provided with delivery port (583), and is three inside three magnetism that is provided with respectively of draw-in groove inhales ball (582), wind wheel chamber (581) and propeller (56) pipe connection.

9. The single screw hermetic refrigeration compressor of claim 8, wherein: a pressure chamber is arranged between the hinged connecting rod (48) and the valve plate (46), fruit peel is filled in the pressure chamber, the pressure chamber is connected with two groups of fixed shafts through pipelines, and a one-way valve V is arranged on a connecting pipeline of the pressure chamber and the two groups of fixed shafts.

10. The single screw hermetic refrigeration compressor of claim 9, wherein: the piston needle is provided with a plurality of barbs and is connected with the check valve V.

Technical Field

The invention relates to the technical field of refrigerator refrigeration, in particular to a single-screw type sealed refrigeration compressor.

Background

The single screw compressor is a meshing pair consisting of a cylindrical screw and two plane star wheels which are symmetrically arranged and is arranged in a shell. The screw groove, the inner wall of the shell (cylinder) and the star wheel tooth form a closed volume. The power is transmitted to the screw shaft, and the screw drives the star wheel to rotate. The gas enters the spiral groove from the gas suction cavity, and is discharged through the gas discharge hole and the gas discharge cavity after being compressed. The star wheel acts as a piston of a reciprocating piston compressor, and when the star wheel teeth move relatively in the screw grooves, the closed volume is gradually reduced, and the gas is compressed.

In a supermarket or a vegetable market, meat, milk, vegetables and the like to be sold often need to be placed in a refrigerator for freezing and refreshing, goods in the existing multi-layer refrigerator are continuously reduced in the selling process, a seller needs to continuously observe and replenish the goods for the refrigerator, and time and labor are wasted; simultaneously when putting on the shelf the goods for multilayer refrigerator, the goods falls into the condenser pipe of striking easily in the multilayer refrigerator, can will remain the impurity striking on the condenser pipe inner wall for a long time and drop, the impurity that drops can continuous circulation flow in the condenser pipe is inside, when flowing impurity when more and more, circulation flow remains in this place to the corner easily in the condenser pipe, and pile up here along with more and more impurity, cause the condenser pipe to block up very easily, multilayer refrigerator refrigeration effect descends. Therefore, it is necessary to design a single screw type hermetic refrigeration compressor which is time-saving, labor-saving and has good refrigeration effect.

Disclosure of Invention

The present invention is directed to a single screw hermetic refrigeration compressor to solve the problems set forth above in the background art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a single screw rod formula seals refrigeration compressor, includes the compressor body, its characterized in that: the top of compressor body is provided with the multilayer refrigerator, the chamber is stored by supreme three-layer down being provided with to the multilayer refrigerator, the three-layer store the chamber by supreme freezing chamber, cold-stored chamber and fresh-keeping chamber respectively down, freezing chamber, cold-stored chamber and fresh-keeping intracavity all are provided with the condenser pipe, condenser pipe and compressor body pipe connection, the condenser pipe quantity of freezing chamber, cold-stored chamber and fresh-keeping intracavity subtracts progressively, the bottom of freezing chamber, cold-stored chamber and fresh-keeping chamber all is provided with the flexible air cushion, the condenser pipe is inside to be provided with the tension membrane, tension membrane one side is provided with the flexible wire drawing that leads, be provided with the gear regulator on the compressor body, compressor body one side still is provided with the purification groove, the flexibility leads the wire drawing gear regulator to be connected, the condenser pipe and purification groove pipe connection.

According to the technical scheme, multilayer refrigerator one side is provided with the reserve storehouse body, reserve internal portion of storehouse is by supreme three-layer reserve chamber that is provided with down, every layer reserve chamber respectively with freezing chamber, cold storage chamber and fresh-keeping chamber one-to-one, reserve chamber is provided with the replenishment pipe with the junction of storing the chamber, the inside liquid bag and the lower liquid bag of being provided with respectively of replenishment pipe, reserve internal portion of storehouse is provided with the adsorption tank, the adsorption tank with purify groove pipe connection, laid active powdered carbon in the adsorption tank and the connecting tube who purifies the groove, reserve storehouse body one side is provided with the exhaust hole.

According to the technical scheme, the opposite side of the reserve storehouse body is provided with fills the mechanism, fill the mechanism by supreme three-layer filling subassembly that is provided with down, the three-layer fill the subassembly by supreme filling subassembly, filling the subassembly and filling the subassembly on, every layer respectively fill the subassembly respectively with every layer of reserve chamber one-to-one, fill the subassembly including the case that surges, the incasement portion that surges is provided with the liquid push pedal, liquid push pedal top magnetism is inhaled and is connected with the switch box, the switch box top is provided with the push rod, the push rod other end is connected with the slurcam, the slurcam is the cooperation structure with the benefit goods pipe, the case and the flexible air cushion pipe connection of surging.

According to the technical scheme, every layer fill the case that surges of subassembly and the case that surges of two-layer other fill subassembly and be connected with check pipe and valve pipe respectively, be provided with the check valve in the check pipe, be provided with the hydraulic pump on the valve pipe, be connected with the clean shot on the valve pipe, the inside valve plate that is provided with of clean shot, be connected with articulated connecting rod between valve plate and the liquid push pedal, go up the liquid bag and correspond the check pipe connection on layer, the clean shot pipe connection of liquid bag and lower one deck down.

According to the technical scheme, the other side of the multi-layer refrigerator is provided with a door moving mechanism, the door moving mechanism comprises a first door moving cavity and a second door moving cavity, a control box is connected between the first door moving cavity and the second door moving cavity through a pipeline, a fixed shaft and a moving shaft are arranged inside the first door moving cavity and the second door moving cavity, an upper plug plate and a lower plug plate are arranged inside the control box, a piston cavity is arranged between the upper plug plate and the lower plug plate, an upper pressure cavity is arranged above the upper plug plate, a lower pressure cavity is arranged below the lower plug plate, the upper pressure cavity is connected with the second door moving cavity through a pipeline, the other end of the second door moving cavity is connected with a fresh-keeping cavity through a pipeline, the lower pressure cavity is connected with the first door moving cavity through a pipeline, the other end of the first door moving cavity is connected with a freezing cavity through a pipeline, a folded plate is connected between the upper plug plate and the lower plug plate, a valve cavity is arranged on one side of the, the folding position of the folded plate is connected with the two connecting rods of the one-way valve, and the other end of the valve cavity is connected with the refrigerating cavity pipeline.

According to the technical scheme, the lower pressure cavity is connected with the flexible air cushion pipeline, the other side of the lower pressure cavity is connected with the pipeline inside the valve cavity, a third check valve is arranged on the connecting pipeline between the valve cavity and the lower pressure cavity, a fourth check valve is arranged on the connecting pipeline between the flexible air cushion and the lower pressure cavity, the upper pressure cavity is connected with the filling mechanism pipeline, and the other side of the upper pressure cavity is connected with the valve cavity pipeline.

According to the technical scheme, be provided with the pneumatic valve on the connecting tube in door moving chamber one and freezing chamber, the inside porose cock board that sets up of pneumatic valve, porose cock board below connecting rod is connected with the propeller, propeller one end is provided with the piston needle, the inside sponge ball that is provided with of propeller, freezing intracavity portion is provided with the heating panel, the heating panel is connected with the pneumatic valve pipe, heating panel and sponge ball pipe connection.

According to the technical scheme, the door is provided with the sprinkling assembly on the connecting pipeline of the second door moving cavity and the fresh-keeping cavity, the sprinkling assembly comprises a wind wheel cavity, three clamping grooves are formed in the periphery of the wind wheel cavity, a water outlet is formed in the positions of the three clamping grooves, three magnetic suction balls are arranged in the three clamping grooves respectively, the magnetic suction balls are three, the magnetic sizes of the magnetic suction balls are different, and the wind wheel cavity is connected with the propeller pipeline.

According to the technical scheme, a pressure chamber is arranged between the hinged connecting rod of the lower filling assembly and the valve plate, fruit peels are filled in the pressure chamber, the pressure chamber is connected with a fixed shaft pipeline of the first door moving cavity and the second door moving cavity, and a one-way valve V is arranged on a connecting pipeline of the pressure chamber and the fixed shafts of the first door moving cavity and the second door moving cavity.

According to the technical scheme, the piston needle is provided with the plurality of barbs and is connected with the five connecting rods of the one-way valve.

Compared with the prior art, the invention has the following beneficial effects: in the invention, the raw materials are mixed,

(1) by arranging the tension film, when the interior of the condensation pipe is blocked, the tension film stretches the flexible traction wire, the gear of the compressor body is adjusted through the flexible traction wire, so that the cleaning mode of the compressor body is started, the pressure of the pump is increased, impurities accumulated at the corner are pumped into impurity balls and then flow to the purification groove along with the condensation pipe to be discharged, then new condensate is supplemented and changed into a normal gear again to refrigerate the multilayer refrigerator, the effect of automatically cleaning the impurities in the condensation pipe is finally realized, and the refrigeration effect of the multilayer refrigerator is improved;

(2) the adsorption tank is arranged, so that the impurity balls discharged to the purification tank from the inside of the condensation pipe can roll down into the adsorption tank, the impurity balls can adsorb the activated carbon powder to the surface to form activated carbon balls in the rolling-down process, and the activated carbon balls rolled by the impurity balls in the adsorption tank have the effect of adsorbing strange odor, so that the problem that the goods falling into the multi-layer refrigerator have strange odor is avoided;

(3) compared with the existing selling process, the automatic replenishment mechanism has the advantages that the vending personnel are required to pay attention to the goods in the multi-layer refrigerator constantly, and the goods in the multi-layer refrigerator are replenished in time when the goods are insufficient, so that the replenishment mechanism achieves the effects of saving time and labor, does not need electric power driving, and also has the effect of saving electric energy;

(4) by arranging the switch box, the effect of automatically powering off the layer after all goods in the multi-layer refrigerator and the backup bin body of a certain layer are sold is achieved, and the effect of saving energy is achieved;

(5) the control box is arranged, so that the two-way conduction function of the check valve is realized when a customer opens the multi-layer refrigerator door, the air can be automatically exchanged in the multi-layer refrigerator, the strange smell generated by tainting odor in the multi-layer refrigerator is taken away, and the condition that the customer dislikes goods due to the strange smell in the multi-layer refrigerator is avoided;

(6) by arranging the movable shaft and the fixed shaft, dust can be blown away from the filling mechanism, the sensitivity of replenishment is promoted, and when the multi-layer refrigerator door is opened, water mist is brought by liquefied water drops to surround a customer, so that the purchasing desire of the customer is promoted;

(7) through being provided with the propeller, when the multilayer refrigerator door is opened, the freezing meat in the freezing intracavity will be stabbed to the piston needle of propeller front end for freezing takes place to beat, thereby gives the sensation of vitality to the customer, reaches the desire of attracting customer to purchase the meat simultaneously, and the air current passes from the downthehole of stopplate when promoting the stopplate of hole, flows into on the heating panel through the pipeline at last, and the hot gas flow that produces because of the friction becomes the heating panel heat, and then has reached the effect of defrosting for the frost near the heating panel;

(8) by arranging the water spraying assembly, the effects that no matter the door opening speed is high or low, moisture can be accurately sprayed on the vegetables in the preservation cavity, the glittering and translucent property of the vegetables is further improved, meanwhile, the moisture is supplemented for the vegetables, and the preservation time of the vegetables is prolonged are achieved;

(9) through the arrangement of the pressure chamber, the effect that the next customer is attracted to buy from the front is achieved, and the multi-layer refrigerator door can be closed by the way after the next customer purchases the refrigerator door;

(10) through being provided with a plurality of barbs on the piston needle, realized if the multilayer refrigerator door does not close for a long time, when the refrigeration effect variation, can close the effect of refrigerator door automatically, reached the effect of energy saving once more.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the specific structure of the present invention;

FIG. 3 is a schematic view of the door moving mechanism of the present invention;

FIG. 4 is a schematic view of a particular construction of the sprinkler assembly of the present invention;

in the figure: 1. a compressor body; 2. a multi-layer refrigerator; 21. a flexible air cushion; 22. a freezing chamber; 23. a refrigerated chamber; 24. a fresh-keeping cavity; 25. a condenser tube; 3. a backup cabin body; 31. a replenishing pipe; 32. feeding a liquid bag; 33. a liquid bag is put; 4. a filling mechanism; 41. a hydraulic tank; 42. a liquid pushing plate; 43. a switch box; 44. a push plate; 45. hollow spheres; 46. a valve plate; 47. a one-way tube; 48. a hinged connecting rod; 49. a valve tube; 5. a door-moving mechanism; 51. a first door moving cavity; 52. a second door moving cavity; 53. a control box; 54. a valve cavity; 55. a pneumatic valve; 56. a propeller; 57. a heat dissipation plate; 58. a sprinkler assembly; 581. a wind wheel cavity; 582. a magnetic suction ball; 583. and (7) a water outlet.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a single screw rod formula seals refrigeration compressor, includes compressor body 1, its characterized in that: the multi-layer refrigerator 2 is arranged above the compressor body 1, the multi-layer refrigerator 2 is provided with three layers of storage cavities from bottom to top, the three layers of storage cavities are respectively a freezing cavity 22, a cold storage cavity 23 and a fresh-keeping cavity 24 from bottom to top, condenser pipes 25 are arranged in the freezing cavity 22, the cold storage cavity 23 and the fresh-keeping cavity 24, the condenser pipes 25 are connected with the compressor body 1 through pipelines, the number of the condenser pipes 25 in the freezing cavity 22, the cold storage cavity 23 and the fresh-keeping cavity 24 is gradually decreased, flexible air cushions 21 are arranged at the bottoms of the freezing cavity 22, the cold storage cavity 23 and the fresh-keeping cavity 24, a tension film is arranged inside the condenser pipes 25, a flexible traction wire is arranged on one side of the tension film, a gear regulator is arranged on the compressor body 1, a purification groove is also arranged on one side of the compressor body 1, the flexible; the compressor body 1 connected with the condenser pipe 25 through a pipeline can provide circulating power for condensate in the condenser pipe 25, and further the effect of cooling the multi-layer refrigerator 2 is achieved; the multi-layer refrigerator 2 is arranged, so that the classified storage effect is achieved, meanwhile, the flexible air cushions 21 are arranged at the bottom of each storage cavity, the goods in the multi-layer refrigerator 2 are reduced along with the continuous selling of the goods in the storage cavities, so that the weight is light, the flexible air cushions 21 are expanded continuously due to the reduction of the pressure above the flexible air cushions, and further the subsequent goods supplement is padded; through being provided with the tension film, when condenser pipe 25 is inside to be blockked up, the tensile flexibility of tension film draws the wire, 1 gear of compressor body is adjusted to the flexible wire that draws of rethread, make compressor body 1 open clean mode, increase pump pressure, behind the impurity pump pressure one-tenth foreign object ball that will pile up in the corner, follow the inside condensate flow of condenser pipe 25 and discharge to the purification tank, it refrigerates multilayer refrigerator 2 to supplement new condensate and become normal gear again afterwards, the effect of the inside impurity of self-cleaning condenser pipe 25 has finally been realized, the refrigeration effect of multilayer refrigerator 2 has been improved.

A backup bin body 3 is arranged on one side of the multi-layer refrigerator 2, three layers of backup cavities are arranged inside the backup bin body 3 from bottom to top, each layer of backup cavities corresponds to the freezing cavity 22, the cold storage cavity 23 and the fresh-keeping cavity 24 one by one respectively, a replenishment pipe 31 is arranged at the joint of each backup cavity and the storage cavity, an upper liquid bag 32 and a lower liquid bag 33 are arranged inside the replenishment pipe 31 respectively, an adsorption tank is arranged inside the backup bin body 3 and is connected with a purification tank pipeline, active carbon powder is laid in the connection pipeline of the adsorption tank and the purification tank, and an exhaust hole is formed in one side of the backup bin body 3; because the internal space of the multi-layer refrigerator 2 is limited, goods in the refrigerator are sold continuously, the goods in the multi-layer refrigerator 2 need to be replenished continuously, the needed goods sold by the multi-layer refrigerator 2 are placed in the multi-layer refrigerator through the backup bin body 3, the storage cavity of each layer is provided with the corresponding backup cavity, the types of the goods in the backup cavity and the storage cavity of the corresponding layer are the same, when the goods in the storage cavity of a certain layer of the multi-layer refrigerator 2 are reduced due to the selling, the backup cavity of the corresponding layer conveys the goods to the storage cavity through the replenishment pipe 31, and the effect of providing a goods source for the replenishment is achieved; through being provided with the adsorption tank, can roll the adsorption tank with the impurity ball that discharges the purification groove in the condenser pipe 25 in, roll the in-process impurity ball and can adsorb activated carbon powder to the surperficial activated carbon ball that forms, the adsorption tank outside is provided with a plurality of holes, pile up because of the inside various goods in reserve storehouse body 3, can produce miasma for a long time, the activated carbon ball that the impurity ball in the adsorption tank rolled has the effect of adsorbing the strange taste, thereby can not cause and fall to have the strange taste to the inside goods of multilayer refrigerator 2, the simultaneously produced miasma is blown to multilayer refrigerator 2 from the exhaust vent discharge, reached the effect for the outside cooling of multilayer refrigerator 2, and then improve multilayer refrigerator 2's refrigeration performance.

The other side of the reserve bin body 3 is provided with a filling mechanism 4, the filling mechanism 4 is provided with three layers of filling assemblies from bottom to top, the three layers of filling assemblies are respectively a lower filling assembly, a middle filling assembly and an upper filling assembly from bottom to top, each layer of filling assembly is in one-to-one correspondence with each layer of reserve cavities, each filling assembly comprises a hydraulic box 41, a liquid push plate 42 is arranged inside the hydraulic box 41, a switch box 43 is magnetically connected above the liquid push plate 42, a push rod is arranged above the switch box 43, the other end of the push rod is connected with a push plate 44, the push plate 44 and the replenishment pipe 31 are in a matched structure, and the hydraulic box 41 is connected with a flexible; after goods in the storage cavity are sold, the goods in the storage cavity are reduced, the flexible air cushion 21 is further raised, negative pressure is generated in the flexible air cushion 21, the negative pressure is transmitted into the hydraulic box 41 through a pipeline, the liquid push plate 42 which is originally positioned in the middle of the hydraulic box 41 is influenced by the negative pressure and moves forward to one side of the multi-layer refrigerator 2, in the moving process of the liquid push plate 42, the switch box 43 above the liquid push plate is attracted with the liquid push plate 42 due to magnetism, moves forward to one side of the multi-layer refrigerator 2 along with the liquid push plate 42 under the magnetic attraction action, and drives the push rod and the push plate 44 to move forward together, in the forward moving process of the push plate 44, the goods in the backup cavity of the layer can be pushed into the replenishing pipe 31, finally the goods fall into the storage cavity through the replenishing pipe 31, the replenishing is completed, and the flexible air cushion 21 at the bottom of the storage cavity is pressed down again under the action of gravity of the increased goods due to the replenishing, then again through the pipeline to the inside atmospheric pressure that produces of case 41 that surges, will just receive negative pressure to influence liquid push pedal 42 and extrude back the middle department of case 41 that surges again, the in-process of selling afterwards, the above-mentioned process of storage chamber meeting repetition on each layer, and then the effect of automatic replenishment has been realized, compare in the current time of selling, need the personnel of selling to pay close attention to the inside goods of multilayer refrigerator 2 constantly, still need in time be the inside replenishment of multilayer refrigerator 2 when the goods is not enough, this filling mechanism 4 has reached labour saving and time saving's effect, and need not electric drive, still have the effect of practicing thrift the electric energy.

A one-way pipe 47 and a valve pipe 49 are respectively connected between the hydraulic tank 41 of each layer of filling assembly and the hydraulic tanks 41 of the other two layers of filling assemblies, a one-way valve is arranged in the one-way pipe 47, a hydraulic pump is arranged on the valve pipe 49, a hollow ball 45 is connected on the valve pipe 49, a valve plate 46 is arranged in the hollow ball 45, a hinged connecting rod 48 is connected between the valve plate 46 and the hydraulic push plate 42, the upper liquid bag 32 is connected with the one-way pipe 47 of the corresponding layer through a pipeline, and the lower liquid bag 33 is connected with the hollow ball 45 of the next layer; along with the continuous automatic replenishment of the multilayer refrigerator 2 by the reserve bin body 3 in the selling process, after the complete replenishment of the goods in the reserve bin of one layer is completed, the goods in the reserve bin can not be replenished after being continuously sold, so that the goods in the reserve bin are fewer and fewer, the flexible air cushion 21 below the reserve bin is continuously lifted due to the reduction of gravity, negative pressure is generated in the hydraulic box 41, the flexible air cushion 21 is lifted to the maximum value due to no pressure when the goods in the reserve bin of the layer are completely sold, the negative pressure in the hydraulic box 41 is also maximized, so that the liquid movable plate is sucked to the side closest to the multilayer refrigerator 2 by the negative pressure and is positively moved to the side, and the push plate 44 above is driven to pass through the upper liquid bag 32 and the lower liquid bag 33 under the action of the magnetic suction force until the liquid movable plate is pushed to the deepest part of the replenishment pipe 31; during the forward movement of the hydraulic push plate 42, negative pressure is generated in the hydraulic box 41, so that the hydraulic box 41 on the layer sucks liquid from the hydraulic box 41 on the lower layer through the one-way pipe 47, the hydraulic push plate 42 on the lower layer moves backwards, the hinge connecting rod 48 on the corresponding layer is pushed, the hinge connecting rod 48 pushes the valve plate 46 to incline again, so that goods in the storage cavity are empty, the negative pressure generated by the flexible air cushion 21 is maximum, after linkage, the valve plate 46 on the lower layer is pushed to be vertical from horizontal, the valve pipe 49 in the vertical state is conducted, so that under the action of the hydraulic pump, the liquid pump in the hydraulic box 41 on the layer moves downwards, the generated instantaneous negative pressure enables the hydraulic push plate 42 on the layer to move backwards, linkage generated during the reverse movement moves the hydraulic push plate 42 on the lower layer forwards, and the valve plate 46 on the lower layer returns to the horizontal state again, the valve pipe 49 is blocked, and finally, the hydraulic push plates 42 at the layer and the next layer return to the middle position of the corresponding hydraulic box 41; in the linkage process, at the moment that the valve plate 46 at the next layer is opened, a large amount of liquid in the liquid-operated box 41 at the layer floods the hollow ball 45 under the action of a hydraulic pump, so that the inside of the hollow ball 45 is in an overpressure state, the liquid in the liquid-operated box is pumped into the lower liquid bag 33 through a pipeline, so that the lower liquid bag 33 is expanded under the action of liquid pressure, meanwhile, under the action of the hydraulic pump, part of the liquid is pushed into the one-way pipe 47 above the liquid-operated box 41 when the liquid push plate 42 moves reversely, the upper liquid bag 32 is connected with the one-way pipe 47 through a pipeline, so that in the process, the liquid pressure enlarges the upper liquid bag 32 along the pipeline, and through the steps, in the process that the liquid push plate 42 at the layer is conducted and rapidly and reversely moved due to the valve pipe 49, the hydraulic linkage also enlarges the upper liquid bag 33 and the lower liquid bag 33 in the replenishment pipe 31, and simultaneously, both the upper liquid, in the process of returning the liquid pushing plate 42 to the right, because the pushing plate 44 is clamped by the expanded upper and lower liquid bags 33, the switch box 43 cannot move along the magnetic attraction action of the liquid pushing plate 42, and finally the switch box 43 is separated from the pushing plate 44, the switch box 43 loses the magnetic attraction of the liquid pushing plate 42, so that the switch box bounces, the circuit switch is electrically disconnected from the outer surface of the liquid-operated box 41, and the condensation pipe 25 on the layer is closed; through the steps, the effect of automatically powering off the layer can be achieved after all goods of the multilayer refrigerator 2 and the backup bin body 3 of a certain layer are sold completely, and the energy-saving effect is achieved.

The other side of the multi-layer refrigerator 2 is provided with a door moving mechanism 5, the door moving mechanism 5 comprises a first door moving cavity 51 and a second door moving cavity 52, a control box 53 is connected between the first door moving cavity 51 and the second door moving cavity 52 through a pipeline, a fixed shaft and a moving shaft are arranged inside the first door moving cavity 51 and the second door moving cavity 52, an upper plug plate and a lower plug plate are arranged inside the control box 53, a piston cavity is arranged between the upper plug plate and the lower plug plate, an upper pressure cavity is arranged above the upper plug plate, a lower pressure cavity is arranged below the lower plug plate, the upper pressure cavity is connected with the second door moving cavity 52 through a pipeline, the other end of the second door moving cavity 52 is connected with a fresh-keeping cavity 24 through a pipeline, the lower pressure cavity is connected with the first door moving cavity 51 through a pipeline, the other end of the first door moving cavity 51 is connected with a freezing cavity 22 through a pipeline, a folded plate is connected between the upper plug plate and the lower plug plate, one side of the control box 53 is provided with, the other end of the valve cavity 54 is connected with the refrigerating cavity 23 through a pipeline; two multi-layer refrigerator 2 doors are arranged on the front surface of the multi-layer refrigerator 2, rotating shafts of the multi-layer refrigerator 2 doors are respectively a first door moving cavity 51 and a second door moving cavity 52, when a customer wants to select goods in the multi-layer refrigerator 2 and opens the multi-layer refrigerator 2 doors, the rotating shafts in the two door moving cavities are driven to rotate towards the outer side, during rotation, the rotating shafts continuously rub against a fixed shaft and pump gas in a control box 53 towards the outside, so that negative pressure is generated in the upper pressure cavity and the lower pressure cavity at the moment of opening the multi-layer refrigerator 2 doors, the upper plug plate and the lower plug plate both move towards the opposite side, a piston cavity is enlarged, a folding plate is straightened at the same time, and a connecting rod is pulled when the folding plate is straightened, so that the connecting rod pulls a valve ball of the second check valve in a valve cavity 54, and the check valve is conducted in two; through the steps, the effect that two one-way valves are conducted in two directions when a customer opens the 2 doors of the multi-layer refrigerator is achieved, further, the inside of the multi-layer refrigerator 2 can be automatically ventilated, the strange smell generated due to tainting of smell inside the multi-layer refrigerator is taken away, and the condition that the customer feels dislike to goods due to the strange smell inside the multi-layer refrigerator 2 is avoided.

The lower pressure cavity is connected with the flexible air cushion 21 through a pipeline, the other side of the lower pressure cavity is connected with a pipeline inside the valve cavity 54, a one-way valve III is arranged on a connecting pipeline between the valve cavity 54 and the lower pressure cavity, a one-way valve IV is arranged on a connecting pipeline between the flexible air cushion 21 and the lower pressure cavity, the upper pressure cavity is connected with the filling mechanism 4 through a pipeline, and the other side of the upper pressure cavity is connected with the valve cavity 54 through a pipeline; when goods in the multi-layer refrigerator 2 are sold and automatically replenished, the flexible air cushion 21 below each storage cavity rises and falls continuously, when the goods are replenished each time, the air pressure in the flexible air cushion 21 rises, part of air is pumped into the lower pressure cavity along the pipeline, so that the air pressure in the lower pressure cavity is increased, when the door of the multi-layer refrigerator 2 is opened, the one-way valve II is switched on, so that air flow in the lower pressure cavity passes through the valve cavity 54 and is pumped into the refrigerating cavity 23 along the pipeline, the air flow is vertically and serially connected to the whole multi-layer refrigerator 2 from the refrigerating cavity 23, then the air which is remained for a long time and has mixed smell in the multi-layer refrigerator 2 is discharged to the upper pressure cavity through the pipeline, the air in the upper pressure cavity is discharged to the filling mechanism 4 through the pipeline, dust is blown away from the filling mechanism 4, and the air pressure can be replenished in the hydraulic box 41, so as to promote the, meanwhile, when the door of the multi-layer refrigerator 2 is worn, heat generated by friction of the movable shaft and the fixed shaft is pumped into the multi-layer refrigerator 2 along with the airflow, so that water vapor in hot airflow is instantly liquefied into water drops when encountering cold air in the multi-layer refrigerator 2; through the steps, the dust can be blown away for the filling mechanism 4, the sensitivity of replenishment is promoted, and when the multilayer refrigerator 2 door is opened, the water mist is brought by the liquefied water drops to surround the customer, so that the purchasing desire of the customer is promoted.

A pneumatic valve 55 is arranged on a connecting pipeline of the first portal cavity 51 and the freezing cavity 22, a plug plate with a hole is arranged inside the pneumatic valve 55, a propeller 56 is connected with a connecting rod below the plug plate, a piston needle is arranged at one end of the propeller 56, a sponge ball is arranged inside the propeller 56, a heat dissipation plate 57 is arranged inside the freezing cavity 22, the heat dissipation plate 57 is connected with the pneumatic valve 55 through a pipeline, and the heat dissipation plate 57 is connected with the sponge ball through a pipeline; when the door of the multi-layer refrigerator 2 is opened, the moving shaft rotates towards the outside to pump gas and generates heat by friction with the fixed shaft, the hole plug plate is pushed by air pressure when the gas passes through the pneumatic valve 55, so that the hole plug plate moves towards one side of the multi-layer refrigerator 2, then the lower propeller 56 is driven by the connecting rod to be pushed into the freezing cavity 22, the piston needle at the front end of the propeller 56 pokes the frozen meat in the freezing cavity 22, so that the freezing jumps, thereby providing a feeling of vitality to the customer, and simultaneously achieving the purpose of attracting the customer to buy meat, the air flow passes through the holes of the hole plug plate when pushing the hole plug plate and finally flows into the heat dissipation plate 57 through the pipeline, the heat dissipation plate 57 is heated by the hot air flow generated by friction, further, the effect of defrosting the frost near the heat dissipation plate 57 is achieved, the phenomenon that the performance of the multi-layer refrigerator 2 is affected by the accumulated thick frost due to long-time freezing in the freezing cavity 22 is avoided, and the water defrosted by the frost is absorbed by the heat dissipation plate 57 and flows into the sponge ball along the pipeline; through the steps, the effect of defrosting the freezing cavity 22 is achieved when the purchasing desire of the customers for the meat is improved.

A water sprinkling assembly 58 is arranged on a connecting pipeline of the second door-moving cavity 52 and the fresh-keeping cavity 24, the water sprinkling assembly 58 comprises a wind wheel cavity 581, three clamping grooves are arranged on the periphery of the wind wheel cavity 581, water outlets 583 are arranged at the three clamping grooves, three magnetic suction balls 582 are respectively arranged in the three clamping grooves, the three magnetic suction balls 582 have different magnetism, and the wind wheel cavity 581 is connected with a propeller 56 through a pipeline; when the piston needle pushes frozen meat to jump, the piston needle generates pressure on the propeller 56 due to resistance, so that water absorbed in sponge balls is squeezed out of the propeller 56, the water in the sponge balls is pumped into the air wheel cavity 581 along a pipeline, when the door of the multi-layer refrigerator 2 is opened, the second door moving cavity 52 also pumps out gas in the upper pressure cavity, when air flow passes through the sprinkling assembly 58, the air wheel blowing cavity 581 rotates, because the door opening speed of each customer is different, the rotating speed of the air wheel cavity 581 is different, when the rotating speed of the air wheel cavity 581 is small, the centrifugal force is small, the magnetic absorption balls 582 with small magnetism can be thrown out, so that one water outlet 583 is communicated, less water flow is jetted and blown into the fresh-keeping cavity 24, when the door opening speed is high, the rotating speed of the air wheel cavity 581 is too high due to the high air flow speed, two or even three magnetic absorption balls 582 are thrown out, more water is sprayed out through conducting more air outlets, the effect of spraying different water amounts corresponding to air flows with different speeds according to different door opening speeds is achieved through the steps, no matter how fast the door opening speed is, moisture can be accurately sprayed onto the vegetables in the preservation cavity 24, the glittering and translucent property of the vegetables is further improved, the moisture is also supplemented for the vegetables, and the preservation time of the vegetables is prolonged.

A pressure chamber is arranged between the hinged connecting rod 48 and the valve plate 46 of the lower filling assembly, fruit peel is filled in the pressure chamber, the pressure chamber is connected with a fixed shaft pipeline of the first door moving cavity 51 and the second door moving cavity 52, and a one-way valve V is arranged on a connecting pipeline of the pressure chamber, the first door moving cavity 51 and the fixed shaft pipeline of the second door moving cavity 52; after the customer has selected the goods, if forget to close multilayer refrigerator 2 door, will cause the inside refrigeration effect of multilayer refrigerator 2 to reduce, and then cause the frost in each apotheca to melt and freeze and drop gradually down to the flexible air cushion 21 of freezing chamber 22 below, and then make this flexible air cushion 21 pressure grow, make the liquid push pedal 42 of filling the subassembly under the atmospheric pressure promotes, and liquid push pedal 42 promotes articulated connecting rod 48, the articulated connection promotes valve plate 46 again, make the plenum chamber between valve plate 46 and the articulated connecting rod 48 receive the extrusion and diminish, and then realized if the refrigerator door does not close, the inside atmospheric pressure grow of plenum chamber, and then squeeze the peel, make the peel produce fruity flavor and permeate out, thereby reached the effect of the next customer's purchase before attracting fast, and can also close multilayer refrigerator 2 door after the next customer purchases.

The piston needle is provided with a plurality of barbs and is connected with the five connecting rods of the one-way valve; when the multi-layer refrigerator 2 door is still not closed after the fruit fragrance is emitted, the meat on the freezing layer gradually freezes and becomes soft, then the gap between meat blocks becomes small, the meat blocks gradually sink, the meat blocks are hooked by barbs on the piston needle in the sinking process, then the meat pulls the piston needle towards the inner side of the freezing cavity 22, the piston needle pulls a valve ball of the check valve V through a connecting rod, the check valve V is conducted, finally the air pressure in compaction is released, the air pressure is pumped into the fixed shaft along a pipeline, the fixed shaft rotates, and the movable shaft is driven to rotate to close the multi-layer refrigerator 2 door; through the steps, the effect of automatically closing the refrigerator door can be realized when the refrigerating effect is deteriorated if the 2 doors of the multi-layer refrigerator are not closed for a long time, and the effect of saving energy is achieved again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.