Air-cooling internal circulation system of horizontal refrigerator

Abstract

The invention discloses a horizontal refrigerator air-cooling internal circulation system, and relates to the technical field of refrigerator circulation refrigeration, the horizontal refrigerator air-cooling internal circulation system comprises a cabinet body, the top of the cabinet body is rotatably provided with a cabinet door, a partition frame is longitudinally fixed in the cabinet body, and the partition frame divides the internal space of the cabinet body into a refrigeration cavity and an electric device cavity; a refrigeration compressor used for refrigeration is assembled in the electric device cavity, and three exhaust frame assemblies in butt joint with the refrigeration compressor are embedded in the inner wall of the refrigeration cavity. And three groups of gas guide frames are longitudinally arranged in the partition frame at equal intervals. Cold air is evenly conveyed into the refrigeration cavity in the cabinet body through the three exhaust frame assemblies, exhausted air is in a vortex line shape and a W shape through the pressure of the cold air, the two sets of cold air are mixed in the refrigeration cavity of the cabinet body in a staggered mode, and therefore the temperature of the areas of the upper layer, the middle layer and the lower layer in the refrigeration cavity is rapidly balanced; according to the refrigerator, food placed in the refrigeration cavity can be comprehensively stored at low temperature, so that the refrigeration quality of the refrigerator can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of refrigerator cycle refrigeration, and in particular to an air-cooled internal circulation system of a horizontal refrigerator. Background Art

[0002] A horizontal freezer is a refrigeration device that maintains a constant low temperature. It is an appliance used to preserve items at low temperatures. It is widely used in commercial and household fields because of its large storage capacity. It uses circulating cold air for refrigeration. Compared with traditional direct cooling refrigeration devices, it has the advantages of no frost, fast refrigeration speed, and uniform temperature. In a horizontal air-cooled freezer, the air duct is an important refrigerant transmission path and has a great influence on the refrigeration effect of the product.

[0003] However, in actual use, it is necessary to open the door of the freezer to take out the food stored inside. When the freezer is used in large shopping malls, private supermarkets and stores, the door of the freezer will be opened more frequently, and the airflow will flow from cold high pressure to hot high pressure. Therefore, each time the door is opened, the cold air in the freezer will leak to the outside, causing the temperature of the food near the top layer of the freezer to be higher than that of the middle and lower layers. When the door is closed, the food on the top layer will take a certain amount of time to drop to the same temperature as the middle and lower layers. With the frequent opening of the door, the refrigeration effect of the food on the top layer will be poor, and it may even be inedible. For this reason, an air-cooled internal circulation system for a horizontal freezer is proposed. Summary of the invention

[0004] Based on this, the purpose of the present invention is to provide an air-cooled internal circulation system for a horizontal freezer to solve the technical problems raised in the above background.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a horizontal refrigerator air-cooled internal circulation system, comprising a cabinet body, a cabinet door is rotatably provided on the top of the cabinet body, a partition frame is longitudinally fixed in the cabinet body, the partition frame divides the space inside the cabinet body into a refrigeration chamber and an electrical component chamber, a refrigeration compressor for refrigeration is installed in the electrical component chamber, and three sets of exhaust frame assemblies connected to the refrigeration compressor are embedded in the inner wall of the refrigeration chamber; Three groups of air guide frames are longitudinally equidistantly arranged in the partition frame, each group of the air guide frames includes an upper U-shell and a lower U-shell stacked up and down, an inner lining plate is slidably arranged at the edge between the upper U-shell and the lower U-shell, and the upper U-shell and the lower U-shell are provided with placement grooves for storing the inner lining plates, and the two ends of the air guide frames are respectively connected to the exhaust frame assembly and the output end of the refrigeration compressor, and driven arms are longitudinally arranged on both sides of the three groups of air guide frames, and a strip plate is fixed on the top of the driven arm and extends to the top of the partition frame, and a positioning frame is fixed to the inner wall of the partition frame below the strip plate, and two groups of positioning rods penetrating the positioning frame are fixed to the bottom end of the strip plate, and the outer wall of each group of the positioning rods is sleeved with a spring for resetting the strip plate; Each group of the exhaust frame components includes a bar frame embedded in the side wall of the refrigeration chamber, and constraint frames are evenly distributed along the contour direction of the bar frame. The sides of the constraint frame are provided with positioning holes connected to the refrigeration chamber, and a blocking disk is rotatably connected in the positioning hole. An exhaust hole is provided at an eccentric position of the end face of the blocking disk. A fan blade shaft is fixed at the center position of the end face of the blocking disk, and fan blades are fixed on the outer wall of the fan blade shaft at equal intervals along its circumferential direction. Triangular plates are fixed on both sides of the constraint frame in the bar frame, and notches are provided on both sides of the constraint frame, and the notches on both sides are staggered up and down.

[0006] As a preferred technical solution of the air-cooled internal circulation system of a horizontal freezer of the present invention, a slot for lifting the strip is provided on the top of the strip, and the top of the strip is arranged in an arc shape.

[0007] As an optimal technical solution for the air-cooled internal circulation system of a horizontal freezer of the present invention, three groups of auxiliary arms are laterally fixed to the side walls of each group of the driven arms, the two groups of auxiliary arms located in the middle and lower layers are fixedly connected to the outer wall of the lower U shell, and the upper U shell of the middle and lower layers is fixed inside the partition frame.

[0008] As a preferred technical solution of the air-cooled internal circulation system of a horizontal freezer of the present invention, base rods are fixed to the outer walls of both sides of the upper U-shell and the lower U-shell located on the upper layer, the side walls of the driven arm are fixedly connected to the base rods of the outer walls of the upper U-shell on the upper layer, and reversing shafts rotating in the partition frame are provided below both sides of the lower U-shell, a steel wire rope is fixed to the outer wall of the base rod on the outer side of the lower U-shell, the free end of the steel wire rope is wrapped around the bottom of the reversing shaft and extends upward, and the free end of the steel wire rope is fixed to the curved outer wall of the base rod connected to the outer side of the upper U-shell.

[0009] As a preferred technical solution of the air-cooled internal circulation system of a horizontal freezer of the present invention, the upper U shell and the lower U shell located at the upper layer are both slidably arranged in the partition frame, and the partition frame is fixed with a support plate for fixed-point rotation of the reversing shaft.

[0010] As a preferred technical solution for an air-cooled internal circulation system of a horizontal freezer of the present invention, an air supply frame connected to a refrigeration compressor is fixed on one side of the partition frame located in the electrical component cavity, a first pair of interfaces connected to three groups of air guide frames are provided on the side of the air supply frame, a second pair of interfaces is provided at the contact position of each group of the strip frame air guide frames, sealing frames are fixed at both ends of the upper U shell and the lower U shell, and the sealing frames are located in the first pair of interfaces and the second pair of interfaces.

[0011] As a preferred technical solution for the air-cooled internal circulation system of a horizontal freezer of the present invention, two adjacent groups of triangular plates are mirror-imaged about the transverse center line of the strip frame, and two adjacent groups of constraint frames and the strip frame form a unit cavity, and each group of unit cavities is provided with an inclined exhaust groove group extending out of the outside of the strip frame.

[0012] As a preferred technical solution of the air-cooled internal circulation system of a horizontal freezer of the present invention, a restraining ring is fixed to the curved outer wall of the blocking plate, and a ring groove is reserved in the positioning hole for the restraining ring to rotate.

[0013] As a preferred technical solution of the air-cooled internal circulation system of a horizontal freezer of the present invention, the positioning holes are distributed in a wave shape on the outer wall of the bar frame, and two adjacent positioning holes are located at the crest and trough of the wave shape.

[0014] In summary, the present invention mainly has the following beneficial effects: The present invention uses three sets of exhaust frame components to evenly transport cold air to the refrigerating chamber in the cabinet. The pressure of the cold air makes the exhausted gas present a vortex line and a W shape. The two sets of cold air are staggered and mixed in the refrigerating chamber of the cabinet, so that the temperatures of the upper, middle and lower layers of the refrigerating chamber quickly reach equilibrium, which can ensure that the food placed in the refrigerating chamber is fully stored at low temperatures, thereby improving the refrigeration quality of the refrigerator. The present invention utilizes the movement of opening and closing the refrigerator door to enable the driven arm to complete the upward power, so that the air inlet located on the upper strip frame becomes larger, and the cold air flow inside it increases accordingly, thereby improving the cold air discharge volume of the cabinet refrigeration chamber located on the top layer, compensating for the loss of cold air when the cabinet door is opened, ensuring that the food located on the upper layer of the refrigeration chamber is cooled in a short time after the cabinet door is closed, and the refrigeration quality of the cold food is guaranteed; and the arrangement of the driven arm and the strip board can provide elastic protection for the cabinet door when it is closed, thereby weakening the impact when it contacts the cabinet body, and extending the service life of the cover refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first-view appearance diagram of the present invention; Figure 2 This is a second viewing angle appearance diagram of the present invention; Figure 3 It is a schematic diagram of the cutaway structure of the present invention; Figure 4 It is a structural diagram of the exhaust frame assembly of the present invention from a first perspective; Figure 5 A second perspective structural diagram of the exhaust frame assembly of the present invention; Figure 6 This is a structural diagram of the compensation frame of the present invention when pressure is applied to the viewing angle; Figure 7 This is a structural diagram of the compensation frame of the present invention when no pressure is applied; Figure 8 It is a schematic diagram of the structure of the compensation frame of the present invention; Fig. 9 It is a structural diagram of the first perspective of the present invention with the strip frame part cut away; Fig.10 It is a structural diagram of the second viewing angle of the strip frame part of the present invention; Fig.11 It is a structural diagram of the third perspective of the strip frame part of the present invention; Fig.12 A plan view of a partially cut-away strip frame of the present invention; Fig.13 For the present invention Fig.12 A is an enlarged schematic diagram of the structure; Fig.14 It is a three-dimensional diagram of the blocking plate and fan blade structure of the present invention.

[0016] In the figure: 100, cabinet body; 200, partition frame; 300, exhaust frame assembly; 110, cabinet door; 120, refrigeration compressor; 130, air supply frame; 131, first pair of interfaces; 210, strip plate; 220, positioning frame; 230, driven arm; 231, auxiliary arm; 240, positioning rod; 241, spring; 250, air guide frame; 251, upper U shell; 252, lower U shell; 253, lining plate; 254, sealing frame; 255, placement groove; 260, base rod; 270, reversing shaft; 280, wire rope; 310, bar frame; 311, positioning hole; 320, second pair of interfaces; 330, triangle plate; 340, constraint frame; 341, notch; 350, exhaust groove group; 360, plugging plate; 361, exhaust hole; 362, constraint ring; 370, fan blade shaft; 380, fan blade. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0018] The following describes an embodiment of the present invention based on its overall structure.

[0019] A horizontal refrigerator air cooling internal circulation system, such as Figures 1 to 14 As shown, it includes a cabinet 100, a cabinet door 110 is rotatably provided on the top of the cabinet 100, a partition frame 200 is longitudinally fixed in the cabinet 100, and the partition frame 200 divides the space inside the cabinet 100 into a refrigeration chamber and an electrical component chamber, a refrigeration compressor 120 for refrigeration is installed in the electrical component chamber, and three sets of exhaust frame assemblies 300 connected to the refrigeration compressor 120 are embedded in the inner wall of the refrigeration chamber; Three groups of air guide frames 250 are longitudinally equidistantly arranged in the bulkhead 200, each group of air guide frames 250 includes an upper U shell 251 and a lower U shell 252 which are stacked up and down, an inner lining plate 253 is slidably arranged at the edge between the upper U shell 251 and the lower U shell 252, and a placement groove 255 for storing the inner lining plate 253 is provided in the upper U shell 251 and the lower U shell 252. The two ends of the air guide frame 250 are respectively connected to the exhaust frame assembly 300 and the output end of the refrigeration compressor 120, and driven arms 230 are longitudinally arranged on both sides of the three groups of air guide frames 250. A strip board 210 extending to the top of the bulkhead 200 is fixed on the top of the driven arm 230, and a positioning frame 220 is fixed on the inner wall of the bulkhead 200 below the strip board 210, and two groups of positioning rods 240 penetrating the positioning frame 220 are fixed at the bottom end of the strip board 210, and the outer wall of each group of positioning rods 240 is sleeved with a spring 241 for resetting the strip board 210; Each exhaust frame assembly 300 includes a bar frame 310 embedded in the side wall of the refrigeration chamber, and constraint frames 340 are evenly spaced along the contour direction of the bar frame 310. The sides of the constraint frames 340 are provided with positioning holes 311 connected to the refrigeration chamber, and a blocking plate 360 ​​is rotatably connected in the positioning hole 311. An exhaust hole 361 is provided at an eccentric position of the end face of the blocking plate 360, and a fan blade shaft 370 is fixed at the center position of the end face of the blocking plate 360. Fan blades 380 are fixed on the outer wall of the fan blade shaft 370 along its circumferential direction at equal intervals. Triangular plates 330 are fixed on both sides of the constraint frame 340 in the bar frame 310, and notches 341 are provided on both sides of the constraint frame 340, and the notches 341 on both sides are staggered up and down.

[0020] When the cabinet door 110 is tilted and rotated around the connection point with the cabinet body 100 to open, the cabinet door 110 no longer exerts downward pressure on the strip board 210. At this time, the spring 241 releases the pressure to make the positioning rod 240 support the top strip board 210 to rise, and the two sets of driven arms 230 and auxiliary arms 231 fixed to it at the bottom will move upward synchronously, and the lower U shell 252 located in the middle and lower layers will move upward with the base rod 260. Due to the setting of the inner lining plate 253, the upper U shell 251 and the lower U shell 252 will not be misaligned to form a gap, and because the upper U shell 251 will rise upward, the diameter inside the air guide frame 250 located in the middle and lower layers will be reduced (as shown in the attached manual). Figure 7 As shown in the figure), the amount of cold air discharged from here is also reduced; Since the base rod 260 on the driven arm 230 and the auxiliary arm 231 is connected to the upper U shell 251 located in the upper air guide frame 250, the upper U shell 251 will move upward accordingly, dragging the wire rope 280 to move and causing the lower U shell 252 to move downward. At this time, the passage in the upper air guide frame 250 becomes larger, and is equal to the sum of the reductions of the middle and lower groups of air guide frames 250. Therefore, the amount and speed of cold air discharged from here become larger, and the cold air can be compensated for the top layer of the cabinet 100 when it is opened, so that the food on the top layer in the refrigeration chamber loses less cold air, and when the cabinet door 110 is closed, it can be restored to its original state in a short time (the temperature of the upper, middle and lower layers in the refrigeration chamber is consistent), which can achieve a better refrigeration effect on the food on the upper layer; The cold air flowing through the three groups of air guide frames 250 enters the corresponding bar frames 310, and the multiple groups of triangular plates 330 inside make the cold air flow in a W-shaped trajectory, and the cold air will enter the constraint frame 340, flowing from top to bottom or from bottom to top, and will generate thrust on the fan blades on the way, so that the fan blade shaft 370 drives the blocking plate 360 ​​to rotate. Since the exhaust hole 361 is set at the eccentric position of the blocking plate 360, the cold air discharged through the exhaust hole 361 is in the shape of a vortex line, and there is a height difference between the two adjacent groups of blocking plates 360. The vortex-shaped cold air discharged from the adjacent strips 310 will be staggered and mixed, and the vortex-shaped cold air discharged from the three groups of strips 310 will quickly fill the refrigeration chamber. At the same time, the cold air in the strips 310 will also be discharged into the refrigeration chamber through the exhaust slot group 350, and will intersect and mix with the vortex-shaped cold air again. The temperature in the cold cabinet 100 will quickly reach the purpose of low temperature. The flow rate of the cold air in the upper strips 310 will increase due to the opening of the cabinet door 110, so it will have a better supplementary cold air effect on the food on the upper layer of the cabinet 100. When the cabinet door 110 is closed, downward pressure is exerted on the strip plate 210 and the strip plate 210 moves downward. Driven by the driven arm 230 and the auxiliary arm 231, the diameters in the three groups of air guide frames 250 are restored to be consistent (see the attached manual). Figure 6 As shown in the figure), ensure that the temperature of the upper, middle and lower areas in the refrigeration chamber is balanced, which has a better refrigeration effect on the stored food.

[0021] Please refer to Figure 3 A notch is provided on the top of the strip plate 210 for the strip plate 210 to be raised and lowered, and the top of the strip plate 210 is arranged in an arc shape.

[0022] When the cabinet door 110 is closed, downward pressure is exerted on the strip plate 210, so that the strip plate 210 moves downward along the notch. At the same time, the arc-shaped top portion can protect the contact surface of the cabinet door 110, thereby preventing marks from appearing at the contact position of the cabinet door 110. A handle is fixed on the front surface of the cabinet door 110, and a handle seat is fixed on the front surface of the cabinet body 100 at a position corresponding to the handle, and a lock core is used to lock the handle seat and the handle; The cabinet door 110 can be fully fitted with the cabinet body 100 to prevent internal cold air leakage; The purpose of the lock core is to lock the cabinet door 110 when closing or when the user goes out to avoid accidental opening and air leakage. When the cabinet door is opened frequently, there is no need to control the lock to lock it. The weight of the cabinet door 110 itself and the magnetic attraction between the two can ensure that the cabinet door 110 is in a closed state.

[0023] Please refer to 3 and Figure 6 and Figure 7 , three sets of auxiliary arms 231 are transversely fixed to the side wall of each set of driven arms 230, the two sets of auxiliary arms 231 located in the middle and lower layers are fixedly connected to the outer wall of the lower U shell 252, and the upper U shell 251 in the middle and lower layers is fixed inside the bulkhead 200; Base rods 260 are fixed to the outer walls of both sides of the upper U-shell 251 and the lower U-shell 252 located in the upper layer, and the side wall of the driven arm 230 is fixedly connected to the base rod 260 of the outer wall of the upper U-shell 251 of the upper layer. A reversing shaft 270 rotating in the bulkhead 200 is provided below both sides of the lower U-shell 252, and a steel wire rope 280 is fixed to the outer wall of the base rod 260 on the outer side of the lower U-shell 252. The free end of the steel wire rope 280 is wound around the bottom of the reversing shaft 270 and extends upward, and the free end of the steel wire rope 280 is fixed to the curved outer wall of the base rod 260 connected to the outer side of the upper U-shell 251; The upper U shell 251 and the lower U shell 252 located at the upper layer are both slidably disposed in the partition frame 200, and a support plate for fixed-point rotation of the reversing shaft 270 is fixed to the partition frame 200.

[0024] When the auxiliary arm 231 rises with the driven arm 230, the lower U shell 252 located in the middle and lower layers rises synchronously, and the upper U shell 251 connected at the top is in a fixed state. At this time, the diameter of the cross section of the air guide frame 250 in the middle and lower layers is reduced, and at this time, the upper layer will rise synchronously with the auxiliary arm 231. Since the reversing shaft 270 is fixed to the support plate in the bulkhead 200, the wire rope 280 will move according to the set U-shaped trajectory. At this time, the base rod 260 on the outer wall of the upper U shell 251 will drag the wire rope 280 to move, so that the lower U shell 252 will move downward, so that the cross-sectional diameter of the air guide frame 250 located in the upper layer will be expanded, and it is equal to the sum of the reduction of the cross-sectional diameter of the air guide frame 250 in the middle and lower layers; At the same time, the side wall of the support plate is provided with an auxiliary support plate extending to the bottom of the upper air guide frame 250, and the bottom of the upper air guide frame 250 is provided with a reset spring connected to the auxiliary support plate, which is used to lower the rear lower U shell 252. When the auxiliary arm 231 is lowered along with the driven arm 230, the cross-sectional diameter of the upper air guide frame 250 is reduced and restored, while the cross-sectional diameter of the middle and lower air guide frames 250 is expanded and restored, ensuring that the cold air outlet volume at the upper, middle and lower positions in the cabinet 100 is consistent after closing.

[0025] Please refer to Figure 3An air supply frame 130 connected to the refrigeration compressor 120 is fixed on one side of the partition frame 200 located in the electrical device cavity. A first docking interface 131 connected to three groups of air guide frames 250 is provided on the side of the air supply frame 130. A second docking interface 320 is provided at the contact position of each group of strip frames 310 and the air guide frame 250. Sealing frames 254 are fixed at both ends of the upper U shell 251 and the lower U shell 252. The sealing frame 254 is located in the first docking interface 131 and the second docking interface 320.

[0026] The refrigeration compressor 120 delivers cold air to the three groups of air guide frames 250 synchronously through the air delivery frame 130 to ensure that the temperatures of the upper, middle and lower layers of the refrigeration chamber are the same; The sealing frame 254 compensates for the expansion and contraction of the air guide frame 250 to avoid air leakage at the connection between the first docking port 131 and the second docking port 320 of the air guide frame 250, ensuring that the cold air exhausted from the refrigeration compressor 120 completely enters the refrigeration chamber in the cabinet 100, and when the cabinet door 110 is opened, the amount of gas exhausted from the upper bar frame 310 is sufficient to compensate for the cold air leaking from the access port of the cabinet 100.

[0027] Please refer to Fig. 9 and Fig.10 Two adjacent sets of triangular plates 330 are mirror-imaged about the transverse center line of the bar frame 310 , and two adjacent sets of constraint frames 340 and the bar frame 310 form a unit cavity, and each set of unit cavity is provided with an inclined exhaust groove set 350 extending out of the outside of the bar frame 310 .

[0028] The triangular plate 330 is used to guide the cold air flowing in the bar frame 310 so that it can be concentrated and enter the constraint frame 340. Since the bar frame 310 is not connected end to end, the gas inside it cannot circulate. Therefore, the cold air can be discharged into the refrigeration chamber through the exhaust slot group 350, which can reduce the temperature in the cabinet 100 over a large area.

[0029] Please refer to Fig.12 A restraining ring 362 is fixed to the curved outer wall of the blocking disk 360 , and a ring groove is reserved in the positioning hole 311 for the restraining ring 362 to rotate, so that the blocking disk 360 is completely located in the positioning hole 311 .

[0030] A restraining effect is provided for the rotation of the blocking plate 360, so that it rotates at a fixed point in the positioning hole 311, while the rotation of the blocking plate 360 ​​is not constrained by the food placed in the refrigeration chamber, so that the blocking plate 360 ​​rotates along with the discharged cold air, and finally the cold air is discharged in a vortex shape.

[0031] Please refer to Figure 4 and Figure 5 The positioning holes 311 are distributed in a wave shape on the outer wall of the bar frame 310 , and two adjacent positioning holes 311 are located at the crest and trough of the wave shape.

[0032] The cold areas discharged through two adjacent groups of positioning holes 311 can have a horizontal height difference, so that the ejected cold air can be interlaced and mixed with each other, and the gas can be transported to the blind area between the two groups of strip frames 310, which can ensure that the cold air temperature in the refrigeration chamber inside the cabinet 100 is balanced.

[0033] When in use, when the cabinet door 110 is tilted and rotated around the connection point with the cabinet body 100 to open, the cabinet door 110 no longer exerts downward pressure on the strip board 210. At this time, the spring 241 will release the pressure to make the positioning rod 240 support the top strip board 210 to rise, and the two sets of driven arms 230 and auxiliary arms 231 fixed to it at the bottom will move upward synchronously, and the lower U shell 252 located in the middle and lower layers will move upward with the base rod 260. Due to the setting of the inner lining plate 253, the upper U shell 251 and the lower U shell 252 will not be misaligned to form a gap, and because the upper U shell 251 will rise upward, the diameter inside the air guide frame 250 located in the middle and lower layers will be reduced (as shown in the attached manual Figure 7 As shown in the figure), the amount of cold air discharged from here is also reduced; Since the base rod 260 on the driven arm 230 and the auxiliary arm 231 is connected to the upper U shell 251 located in the upper air guide frame 250, the upper U shell 251 will move upward accordingly, dragging the wire rope 280 to move and causing the lower U shell 252 to move downward. At this time, the passage in the upper air guide frame 250 becomes larger, and is equal to the sum of the reductions of the middle and lower groups of air guide frames 250. Therefore, the amount and speed of cold air discharged from here become larger, and the cold air can be compensated for the top layer of the cabinet 100 when it is opened, so that the food on the top layer in the refrigeration chamber loses less cold air, and when the cabinet door 110 is closed, it can be restored to its original state in a short time (the temperature of the upper, middle and lower layers in the refrigeration chamber is consistent), which can achieve a better refrigeration effect on the food on the upper layer; The cold air flowing through the three groups of air guide frames 250 enters the corresponding bar frames 310, and the multiple groups of triangular plates 330 inside make the cold air flow in a W-shaped trajectory, and the cold air will enter the constraint frame 340, flowing from top to bottom or from bottom to top, and will generate thrust on the fan blades on the way, so that the fan blade shaft 370 drives the blocking plate 360 ​​to rotate. Since the exhaust hole 361 is set at the eccentric position of the blocking plate 360, the cold air discharged through the exhaust hole 361 is in the shape of a vortex line, and there is a height difference between the two adjacent groups of blocking plates 360. The vortex-shaped cold air discharged from the adjacent strips 310 will be staggered and mixed, and the vortex-shaped cold air discharged from the three groups of strips 310 will quickly fill the refrigeration chamber. At the same time, the cold air in the strips 310 will also be discharged into the refrigeration chamber through the exhaust slot group 350, and will intersect and mix with the vortex-shaped cold air again. The temperature in the cold cabinet 100 will quickly reach the purpose of low temperature. The flow rate of the cold air in the upper strips 310 will increase due to the opening of the cabinet door 110, so it will have a better supplementary cold air effect on the food on the upper layer of the cabinet 100. When the cabinet door 110 is closed, downward pressure is exerted on the strip plate 210 and the strip plate 210 moves downward. Driven by the driven arm 230 and the auxiliary arm 231, the diameters in the three groups of air guide frames 250 are restored to be consistent (see the attached manual). Figure 6 As shown), ensure that the temperature of the upper, middle and lower areas in the refrigeration chamber is balanced, and have a better refrigeration effect on the stored food. The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology.

[0034] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A horizontal refrigerator air-cooling internal circulation system, comprising a cabinet body (100), characterized in that: The cabinet body (100) is rotatably provided with a cabinet door (110) at the top, a partition frame (200) is longitudinally fixed inside the cabinet body (100), the partition frame (200) divides the space inside the cabinet body (100) into a refrigeration chamber and an electrical component chamber, a refrigeration compressor (120) for refrigeration is installed in the electrical component chamber, and three sets of exhaust frame assemblies (300) connected to the refrigeration compressor (120) are embedded in the inner wall of the refrigeration chamber; Three groups of air guide frames (250) are longitudinally equidistantly arranged in the partition frame (200), each group of the air guide frames (250) comprises an upper U shell (251) and a lower U shell (252) stacked up and down, an inner lining plate (253) is slidably arranged at the edge between the upper U shell (251) and the lower U shell (252), and a placement groove (255) for storing the inner lining plate (253) is formed in the upper U shell (251) and the lower U shell (252), and two ends of the air guide frame (250) are respectively connected to the exhaust frame assembly (300) and the refrigeration compressor (12 0) output end is connected, two sides of the three groups of air guide frames (250) are longitudinally provided with driven arms (230), a strip plate (210) is fixed on the top of the driven arms (230) and extends to the top of the partition frame (200), a positioning frame (220) is fixed on the inner wall of the partition frame (200) below the strip plate (210), two groups of positioning rods (240) penetrating the positioning frame (220) are fixed at the bottom end of the strip plate (210), and the outer wall of each group of the positioning rods (240) is provided with a spring (241) for resetting the strip plate (210); Each group of the exhaust frame components (300) comprises a bar frame (310) embedded in the side wall of the refrigerating chamber, wherein the bar frame (310) has constraint frames (340) distributed at equal intervals along the contour direction thereof, and the sides of the constraint frames (340) are provided with positioning holes (311) connected to the refrigerating chamber, and a blocking plate (360) is rotatably connected in the positioning hole (311), and an exhaust hole (361) is provided at an eccentric position of the end face of the blocking plate (360), and a fan blade shaft (370) is fixed at the center position of the end face of the blocking plate (360), and fan blades (380) are fixed to the outer wall of the fan blade shaft (370) at equal intervals along the circumferential direction thereof, and triangle plates (330) are fixed on both sides of the constraint frame (340) and located in the bar frame (310), and notches (341) are provided on both sides of the constraint frame (340), and the notches (341) on both sides are staggered in an up-and-down manner.

2. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: A notch is provided on the top of the strip board (210) for the strip board (210) to be raised or lowered, and the top of the strip board (210) is arranged in an arc shape.

3. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: Three groups of auxiliary arms (231) are transversely fixed to the side walls of each group of driven arms (230); the two groups of auxiliary arms (231) located in the middle and lower layers are fixedly connected to the outer wall of the lower U shell (252); and the upper U shell (251) in the middle and lower layers is fixed inside the bulkhead (200).

4. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: Base rods (260) are fixed to the outer walls of both sides of the upper U-shell (251) and the lower U-shell (252) located at the upper layer. The side walls of the driven arm (230) are fixedly connected to the base rods (260) on the outer wall of the upper U-shell (251) of the upper layer. Reversing shafts (270) that rotate in the bulkhead (200) are provided below both sides of the lower U-shell (252). A steel wire rope (280) is fixed to the outer wall of the base rod (260) outside the lower U-shell (252). The free end of the steel wire rope (280) is wound around the bottom of the reversing shaft (270) and extends upward. The free end of the steel wire rope (280) is fixed to the curved outer wall of the base rod (260) connected to the outer side of the upper U-shell (251).

5. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: The upper U shell (251) and the lower U shell (252) located at the upper layer are both slidably disposed in the partition frame (200), and a support plate for fixed-point rotation of the reversing shaft (270) is fixed to the partition frame (200).

6. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: An air supply frame (130) connected to a refrigeration compressor (120) is fixed on one side of the partition frame (200) located in the electrical device cavity; a first mating interface (131) connected to three groups of air guide frames (250) is provided on the side of the air supply frame (130); a second mating interface (320) is provided at the contact position of each group of the strip frames (310) and the air guide frames (250); sealing frames (254) are fixed at both ends of the upper U shell (251) and the lower U shell (252); the sealing frames (254) are located in the first mating interface (131) and the second mating interface (320).

7. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: Two adjacent groups of the triangular plates (330) are arranged in a mirror image with respect to the transverse center line of the strip frame (310); the two adjacent groups of the constraint frames (340) and the strip frame (310) form a unit cavity; and each group of the unit cavities is provided with an inclined exhaust groove group (350) extending outward from the strip frame (310).

8. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: A restraining ring (362) is fixed to the curved outer wall of the blocking disk (360), and a ring groove for the restraining ring (362) to rotate is reserved in the positioning hole (311).

9. The horizontal freezer air-cooling internal circulation system according to claim 1, characterized in that: The positioning holes (311) are distributed in a wave-like manner on the outer wall of the bar frame (310), and two adjacent positioning holes (311) are located at the crest and trough of the wave.

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