Double-temperature air curtain cabinet

Abstract

The utility model relates to the technical field of storage devices, and particularly discloses a double-temperature air curtain cabinet which comprises a cabinet body, a thermal insulation plate assembly, a night curtain assembly and a limiting assembly, the cabinet body is provided with a containing cavity and an opening communicated with the containing cavity, and the thermal insulation plate assembly is installed in the containing cavity and divides the containing cavity into a first temperature area and a second temperature area; the night curtain assembly comprises a rotating shaft, a night curtain, a first connecting piece and a second connecting piece, the first end of the night curtain is connected with the rotating shaft, the first connecting piece is connected with the second end of the night curtain, one of the rotating shaft and the second connecting piece is located above the opening, and the other one is located below the opening; the night curtain has the initial state that the night curtain can be wound around the rotating shaft and the working state that the night curtain is unfolded, when the night curtain is in the working state, the night curtain can close the opening, the limiting assembly enables the night curtain to abut against the front end of the heat insulation plate assembly, the first temperature area and the second temperature area can be closed only through one night curtain, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of storage devices, in particular to a dual-temperature air curtain cabinet. Background Art

[0002] In supermarkets, shopping malls, restaurants and other places, items such as fresh food or ingredients are usually displayed or exhibited through air curtain cabinets.

[0003] A wind curtain cabinet is provided in the related art, wherein a plurality of shelves for supporting articles are arranged in the vertical direction in the storage chamber of the wind curtain cabinet, and an opening connected to the storage chamber and a night curtain for closing the opening are arranged at the front of the wind curtain cabinet. When the night curtain is pulled down, the storage chamber is sealed as a whole, isolated from the outside world, and the cold air or hot air is prevented from escaping, thereby achieving energy saving. However, the wind curtain cabinet provided in the related art has a single working mode, and usually can only keep the articles in the storage chamber under the same temperature condition. When different articles need to be stored in different temperature environments, the wind curtain cabinet provided in the related art cannot meet the needs.

[0004] In this regard, the related technology provides a dual-temperature air curtain cabinet, in which a thermal insulation plate is also provided in the accommodating chamber of the dual-temperature air curtain cabinet. The thermal insulation plate divides the accommodating chamber into a hot zone and a cold zone, which can meet the different temperature requirements of various items. However, in order to save energy, two night curtains need to be set to respectively close the hot zone and the cold zone, which will increase the manufacturing cost of the dual-temperature air curtain cabinet. Utility Model Content

[0005] The purpose of the utility model is to provide a dual-temperature air curtain cabinet, which can reduce the number of night curtains used and reduce the manufacturing cost of the dual-temperature air curtain cabinet while meeting energy requirements.

[0006] The utility model provides a dual-temperature air curtain cabinet, which comprises:

[0007] A cabinet body, the cabinet body having a receiving cavity and an opening communicating with the receiving cavity, the opening being arranged at the front of the receiving cavity, and the receiving cavity being used to receive articles;

[0008] A thermal insulation board assembly is installed in the accommodating cavity, and the thermal insulation board assembly divides the accommodating cavity into a first temperature zone and a second temperature zone;

[0009] A night curtain assembly is installed on the cabinet, the night curtain assembly includes a rotating shaft, a night curtain, a first connecting member and a second connecting member, the rotating shaft is located at one of the upper part and the lower part of the opening, the first end of the night curtain is connected to the rotating shaft, the first connecting member is connected to the second end of the night curtain, the second connecting member is located at the other of the upper part and the lower part of the opening, the night curtain has an initial state and a working state, when the night curtain is in the initial state, the first connecting member and the second connecting member are separated, and the night curtain is wound around the rotating shaft, and the opening is opened; when the night curtain is in the working state, the night curtain is unfolded, and the first connecting member and the second connecting member cooperate;

[0010] A limit assembly is arranged adjacent to the front end of the insulation board assembly, and the limit assembly is configured to make the night curtain in the working state abut against the front end of the insulation board assembly, so that the night curtain simultaneously closes the first temperature zone and the second temperature zone.

[0011] As a preferred technical solution of the dual-temperature air curtain cabinet, the insulation board assembly includes a support frame and a plate body, the support frame is fixedly connected to the cabinet body, the plate body is fixedly connected to the support frame, and the plate body is located above the support frame;

[0012] The limiting component includes a pressing piece, and the pressing piece is connected to the supporting frame or the cabinet. When the night curtain is in the working state, the night curtain passes between the pressing piece and the plate body and abuts against the front end of the plate body.

[0013] As a preferred technical solution of the dual-temperature air curtain cabinet, the pressing member includes a connecting rod and a pressure rod, the pressure rod is connected to the connecting rod at an angle, the pressure rod extends in the left and right directions, the connecting rod is movably connected to the support frame, and the connecting rod can drive the pressure rod to move relative to the support frame so that the pressure rod has an avoidance position and a working position, when the pressure rod is located at the avoidance position, the pressure rod is close to the bottom of the plate body, and when the pressure rod is located at the working position, the pressure rod is spaced apart from the bottom of the plate body;

[0014] When the night curtain is in the working state and the pressure rod is located at the working position, the night curtain passes through between the pressure rod and the plate body, and the night curtain abuts against the front end of the plate body.

[0015] As an optimal technical solution for the dual-temperature air curtain cabinet, the support frame or the plate body is provided with a fixing groove. When the pressure rod is located at the avoidance position, the pressure rod is inserted into the fixing groove. When the pressure rod is located at the working position, the pressure rod is separated from the fixing groove.

[0016] As a preferred technical solution for the dual-temperature air curtain cabinet, the support frame is provided with a long slot, the long slot extends in the front-to-back direction, the connecting rod is plugged into the long slot, the connecting rod can drive the pressure rod to move along the long slot and can rotate relative to the support frame, so that the pressure rod is located in the avoidance position or the working position; or,

[0017] The support frame is provided with a socket, the connecting rod is plugged into the socket, and the connecting rod can drive the pressure rod to rotate around the axis of the socket relative to the support frame, so that the pressure rod is located at the avoidance position or the working position; or,

[0018] The support frame is provided with a slide groove, the connecting rod is inserted into the slide groove, and the connecting rod and the slide groove are slidably matched, and the connecting rod can drive the pressure rod to slide along the slide groove synchronously so that the pressure rod is located in the avoidance position or the working position.

[0019] As a preferred technical solution for the dual-temperature air curtain cabinet, the insulation board assembly includes two support frames spaced apart in the left-right direction, and each of the support frames is fixedly connected to the cabinet body and the bottom of the board body at the same time;

[0020] The pressing member includes two connecting rods, which are respectively connected to the left and right ends of the pressing rod. The two connecting rods are arranged in a one-to-one correspondence with the two supporting frames, and each connecting rod is movably connected to the corresponding supporting frame.

[0021] As a preferred technical solution of the dual-temperature air curtain cabinet, the cabinet body includes two side walls forming the accommodating cavity, and the two side walls are arranged relatively spaced apart in the left-right direction;

[0022] The limiting assembly comprises two first limiting rods, the two first limiting rods are arranged in one-to-one correspondence with the two side walls, each of the first limiting rods is pivotally connected to the support frame or the corresponding side wall, each of the first limiting rods has an avoidance position and a working position, when the first limiting rod is located at the avoidance position, the first limiting rod is in contact with or relatively arranged with the corresponding side wall, when the first limiting rod is located at the working position, the first limiting rod is located below the plate body and is spaced apart from the plate body;

[0023] When the night curtain is in the working state and the two first limiting rods are both located at the working position, the night curtain passes through between the two first limiting rods and the plate body and abuts against the front end of the plate body.

[0024] As a preferred technical solution of the dual-temperature air curtain cabinet, the cabinet body includes two side walls forming the accommodating cavity, the two side walls are arranged relatively spaced apart in the left-right direction, and the two side walls are symmetrically provided with limiting grooves;

[0025] The limiting assembly includes a second limiting rod, both ends of which are respectively plugged into the limiting grooves on the two side walls. When the night curtain is in the working state, the night curtain passes between the second limiting rod and the plate body and abuts against the front end of the plate body.

[0026] As a preferred technical solution for the dual-temperature air curtain cabinet, the limit assembly includes a magnet, the magnet is fixed to the front end of the insulation board assembly, and the night curtain is provided with a suction member;

[0027] When the night curtain is in the working state, the suction component is attracted to the magnet so that the night curtain abuts against the front end of the insulation board assembly. When the night curtain is in the initial state, the suction component is separated from the magnet.

[0028] As a preferred technical solution of the dual-temperature air curtain cabinet, the limit assembly includes a third limit rod, the insulation board assembly includes a support frame and a plate body, the support frame is fixedly connected to the cabinet body, the plate body is fixedly connected to the support frame, and the plate body is located above the support frame;

[0029] When the night curtain is in the working state, the night curtain passes through between the third limiting rod and the plate body, the connecting lines between any two of the rotating shaft, the third limiting rod and the second connecting member form a triangle, and the front end of the plate body extends to the inside of the triangle.

[0030] The dual-temperature air curtain cabinet provided by the utility model has at least the following beneficial effects:

[0031] The dual-temperature air curtain cabinet includes a cabinet body, a temperature-insulating plate assembly, a night curtain assembly, and a limit assembly. The cabinet body has a receiving cavity and an opening connected to the receiving cavity, the opening is arranged at the front of the receiving cavity, and the receiving cavity is used to receive items; the temperature-insulating plate assembly is installed in the receiving cavity, and the temperature-insulating plate assembly divides the receiving cavity into a first temperature zone and a second temperature zone; the night curtain assembly is installed in the cabinet body, and the night curtain assembly includes a rotating shaft, a night curtain, a first connecting member, and a second connecting member. The rotating shaft is located at one of the upper and lower ends of the opening, the first end of the night curtain is connected to the rotating shaft, the first connecting member is connected to the second end of the night curtain, and the second connecting member is located at The other of the upper and lower parts of the opening, the night curtain has an initial state and a working state. When the night curtain is in the initial state, the first and second connecting parts are separated, and the night curtain is wound around the rotating shaft, and the opening is opened; when the night curtain is in the working state, the night curtain is unfolded, and the first and second connecting parts cooperate; the limiting assembly is arranged adjacent to the front end of the insulation board assembly, and the limiting assembly is configured to make the night curtain in the working state abut against the front end of the insulation board assembly, so that the night curtain can simultaneously close the first temperature zone and the second temperature zone. The double-temperature air curtain cabinet, when the night curtain is in the working state, the night curtain unfolds and closes the opening, and at the same time, the night curtain abuts against the front end of the insulation board assembly through the limiting assembly, so that the night curtain can simultaneously close the first temperature zone and the second temperature zone, avoiding heat exchange between the air in the first temperature zone and the second temperature zone, thereby reducing the energy consumption of the double-temperature air curtain cabinet; in addition, the first temperature zone and the second temperature zone can be closed by only one night curtain, which reduces the number of night curtains used compared to the prior art, facilitates maintenance, and also reduces the manufacturing cost of the double-temperature air curtain cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the structure of a dual-temperature air curtain cabinet in an embodiment of the utility model;

[0033] Figure 2 It is a cross-sectional view of a dual-temperature air curtain cabinet in an embodiment of the utility model;

[0034] Figure 3 for Figure 2 Magnified view at A in the middle;

[0035] Figure 4 The structure of the insulation board assembly and the limit assembly in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0036] Figure 5 The structure of the insulation board assembly and the limit assembly in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0037] Figure 6 The structure of the insulation board assembly and the limit assembly in the embodiment of the utility model is shown in FIG. Figure 3 ;

[0038] Figure 7 This is a partial enlarged view of the dual-temperature air curtain cabinet in the embodiment of the utility model;

[0039] Figure 8 The structure of the insulation board assembly and the limit assembly in the embodiment of the utility model is shown in FIG. Figure 4 .

[0040] In the figure:

[0041] 1. Cabinet; 11. Accommodating cavity; 111. First temperature zone; 112. Second temperature zone; 12. Opening; 13. Top wall; 131. First air return hole; 14. Rear wall; 15. Bottom wall; 151. Second air return hole; 16. Side wall; 161. Limiting groove; 162. Horizontal groove; 163. Vertical groove; 17. Hot air duct; 18. Cold air duct;

[0042] 2. Insulation board assembly; 21. Support frame; 211. Long slot; 212. Fixed slot; 213. Support arm; 214. Fixed plate; 215. Socket; 22. Board body; 221. Top plate; 222. Front plate; 223. Bottom plate; 224. Side plate; 225. First baffle; 226. Second baffle; 227. First cavity; 228. Second cavity; 229. Third cavity; 230. First air outlet; 231. Second air outlet; 232. Insulation material;

[0043] 3. Night curtain assembly; 31. Rotating shaft; 32. Night curtain; 33. First connecting member; 34. Second connecting member;

[0044] 4. Limiting assembly; 41. Pressing member; 411. Connecting rod; 412. Pressing rod; 42. Nut; 43. Second limiting rod;

[0045] 5. Laminates;

[0046] 61. Compressor; 62. Evaporator; 63. Expansion valve; 64. Condenser; 65. Evaporator fan; 66. Condenser fan. DETAILED DESCRIPTION

[0047] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. 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.

[0051] like Figure 1 and Figure 2As shown, the present embodiment provides a dual-temperature air curtain cabinet, which includes a cabinet body 1, a thermal insulation board assembly 2, a night curtain assembly 3 and a limit assembly 4. The cabinet body 1 has a accommodating cavity 11 and an opening 12 connected to the accommodating cavity 11, the opening 12 is arranged at the front of the accommodating cavity 11, and the accommodating cavity 11 is used to accommodate items; the thermal insulation board assembly 2 is installed in the accommodating cavity 11, and the thermal insulation board assembly 2 divides the accommodating cavity 11 into a first temperature zone 111 and a second temperature zone 112; the night curtain assembly 3 is installed in the cabinet body 1, and the night curtain assembly 3 includes a rotating shaft 31, a night curtain 32, a first connecting member 33 and a second connecting member 34, the rotating shaft 31 is located at one of the upper side and the lower side of the opening 12, the first end of the night curtain 32 is connected to the rotating shaft 31, the first connecting member 33 is connected to the second end of the night curtain 32, and the second connecting member 34 is connected to the rotating shaft 31. The second connecting member 34 is located at the other of the upper part and the lower part of the opening 12. The night curtain 32 has an initial state and a working state. When the night curtain 32 is in the initial state, the first connecting member 33 and the second connecting member 34 are separated, and the night curtain 32 is wound around the rotating shaft 31, the opening 12 is opened, and items can be taken from the storage chamber 11 through the opening 12; when the night curtain 32 is in the working state, the night curtain 32 is unfolded, and the first connecting member 33 and the second connecting member 34 are matched; the limit assembly 4 is arranged adjacent to the front end of the insulation board assembly 2, and the limit assembly 4 is configured to make the night curtain 32 in the working state and the front end of the insulation board assembly 2 (front and rear direction as shown in FIG. Figure 1 The first temperature zone 111 and the second temperature zone 112 are abutted in the direction indicated by the arrows ab in the figure, so that the night curtain 32 closes the first temperature zone 111 and the second temperature zone 112 at the same time. In the dual-temperature air curtain cabinet provided in this embodiment, when the night curtain 32 is in the working state, the night curtain 32 unfolds and closes the opening 12, and at the same time, the night curtain 32 is abutted against the front end of the insulation board assembly 2 through the limit assembly 4, so that the night curtain 32 can close the first temperature zone 111 and the second temperature zone 112 at the same time, avoiding heat exchange between the air in the first temperature zone 111 and the second temperature zone 112, thereby reducing the energy consumption of the dual-temperature air curtain cabinet; in addition, the first temperature zone 111 and the second temperature zone 112 can be closed by only one night curtain 32. Compared with the prior art, the number of night curtains 32 used is reduced, which is convenient for maintenance and also reduces the manufacturing cost of the dual-temperature air curtain cabinet.

[0052] It should be noted that at least one shelf 5 for supporting items is provided in the first temperature zone 111 and the second temperature zone 112, the temperatures of the first temperature zone 111 and the second temperature zone 112 are different, and the specific storage temperatures of the first temperature zone 111 and the second temperature zone 112 can be set according to actual needs.

[0053] Specifically, in this embodiment, the first temperature zone 111 is a hot zone for storing items at a relatively high temperature, and the second temperature zone 112 is a cold zone for storing items at a low temperature, and the hot zone is located above the cold zone. The hot air in the hot zone has a low density and is easy to rise, and the cooled cold air has a high density and is easy to sink, which can prevent the air in the hot zone and the cold zone from flowing into each other. In other embodiments, the first temperature zone 111 can also be a normal temperature zone for storing items at a normal temperature, and the second temperature zone 112 is a cold zone for storing items at a low temperature; or, the first temperature zone 111 is a hot zone for storing items at a relatively high temperature, and the second temperature zone 112 is a normal temperature zone for storing items at a normal temperature. Among them, the temperature of the air in the hot zone is greater than the temperature of the air in the normal temperature zone, and the temperature of the air in the normal temperature zone is greater than the temperature of the air in the cold zone.

[0054] Optionally, see Figure 1 and Figure 2 In this embodiment, the cabinet 1 includes a top wall 13, a rear wall 14, a bottom wall 15 and two side walls 16 that form a accommodating cavity 11, and the two side walls 16 are relatively spaced apart in the left-right direction; the top wall 13 and the bottom wall 15 are relatively spaced apart in the up-down direction, and the top wall 13 and the bottom wall 15 are connected between the two side walls 16, the rear wall 14 is connected to the rear ends of the two side walls 16, the top wall 13, and the bottom wall 15, and the front ends of the two side walls 16, the top wall 13, and the bottom wall 15 form an opening 12.

[0055] In addition, in this embodiment, the rotary shaft 31 is located above the opening 12 and is arranged on the top wall 13 of the cabinet 1, and the second connecting member 34 is located below the opening 12 and is arranged on the bottom wall 15 of the cabinet 1; by pulling the first connecting member 33 from top to bottom, the night curtain 32 wrapped around the rotary shaft 31 can be unfolded to close the opening 12, and the first connecting member 33 and the second connecting member 34 can be matched to keep the night curtain 32 stably in a working state, and the operation is simple. Preferably, the night curtain 32 is made of a material with poor thermal conductivity, such as plastic fiber, transparent plastic film, gauze, etc. In other embodiments, the rotary shaft 31 can also be located below the opening 12 and is arranged on the bottom wall 15 of the cabinet 1, and the second connecting member 34 can be located above the opening 12 and is arranged on the top wall 13 of the cabinet 1, and the first connecting member 33 can be pulled from bottom to top to unfold the night curtain 32 wrapped around the rotary shaft 31 to close the opening 12.

[0056] Optionally, see Figure 1, one of the first connecting member 33 and the second connecting member 34 is a pull ring, and the other of the first connecting member 33 and the second connecting member 34 is a hook. When the night curtain 32 is in the working state, the pull ring and the hook are hooked to keep the position of the night curtain 32 stable, which has high reliability. In other embodiments, one of the first connecting member 33 and the second connecting member 34 can also be set as an attraction sheet, and the other of the first connecting member 33 and the second connecting member 34 can be set as a magnet. When the night curtain 32 is in the working state, the magnet and the attraction sheet are attracted to each other, which can also keep the position of the night curtain 32 stable.

[0057] Optionally, see Figures 3 to 7 The insulation board assembly 2 includes a support frame 21 and a plate body 22. The support frame 21 is fixedly connected to the cabinet body 1, and the plate body 22 is fixedly connected to the support frame 21, and the plate body 22 is located above the support frame 21; the limit assembly 4 includes a pressing member 41, and the pressing member 41 is connected to the support frame 21 or the cabinet body 1. When the night curtain 32 is in a working state, the night curtain 32 passes through the pressing member 41 and the plate body 22 and abuts against the front end of the plate body 22. With such a configuration, when the night curtain 32 is in a working state, the night curtain 32 can be abutted against the front end of the plate body 22 by pressing the pressing member 41, and the operation is simple. For details, please refer to Figure 4 and Figure 5 In this embodiment, the plate body 22 includes a top plate 221, a front plate 222 and a bottom plate 223 which are connected in sequence at an angle, and two side plates 224 which are connected to the left and right sides of the three at the same time. The front plate 222 forms the front end of the insulation board assembly 2, and the pressing piece 41 presses the night curtain 32 onto the front plate 222.

[0058] Optionally, see Figures 1 to 3 ,as well as Figure 7The plate body 22 also includes a first partition plate 225 and a second partition plate 226 located between the top plate 221 and the bottom plate 223. The first partition plate 225 and the second partition plate 226 divide the interior of the plate body 22 into a first cavity 227, a second cavity 228 and a third cavity 229. The front end of the top plate 221 is provided with a first air outlet 230 communicating with the first cavity 227, and the front end of the bottom plate 223 is provided with a second air outlet 231 communicating with the third cavity 229. The top wall 13 is provided with a first air return hole 131, and the bottom wall 15 is provided with a second air return hole 151. A hot air duct 17 and a cold air duct 18 are also provided in the cabinet 1, wherein the hot air duct 17 is communicated with the first cavity 227, and the cold air duct 18 is communicated with the third cavity 229. When the dual-temperature air curtain cabinet is in use, the night curtain 32 of the dual-temperature air curtain cabinet is in the initial state, and the opening 12 is opened. The user can easily take out the items in the cold zone or the hot zone through the opening 12, and the hot air in the hot air duct 17 enters the first cavity 227 and flows into the hot zone from the first air outlet 230. Under the action of the first fan, the airflow in the hot zone flows into the first return air hole 131 to form a wind curtain in the hot zone to prevent the air in the hot zone from exchanging heat with the outside world and causing the temperature in the hot zone to drop. At the same time, the cold air in the cold air duct 18 enters the third cavity 229 and flows into the cold zone from the second air outlet 231. Under the action of the second fan, the airflow in the cold zone finally flows into the second return air hole 151 to form a wind curtain in the cold zone to prevent the cold zone from exchanging heat with the outside world and causing the temperature in the cold zone to rise. Preferably, the second cavity 228 is filled with a thermal insulation material 232, and the thermal insulation material 232 is used to isolate the first cavity 227 and the third cavity 229 to prevent heat exchange between the first cavity 227 and the third cavity 229. Further preferably, the first air outlet 230 is opened toward the first air return hole 131, and the second air outlet 231 is opened toward the second air return hole 151.

[0059] It should be noted that a refrigeration mechanism is provided in the cabinet 1, and the refrigeration mechanism includes a compressor 61, an evaporator 62, an expansion valve 63 and a condenser 64 that constitute a circulation loop, and an evaporator fan 65 and a condenser fan 66 are also provided in the cabinet 1. The evaporator fan 65 is used to blow the cold energy emitted by the evaporator 62 to the cold air duct 18, and the condenser fan 66 is used to blow the heat emitted by the condenser 64 to the hot air duct 17.

[0060] Optionally, see Figures 3 to 7 The pressing member 41 includes a connecting rod 411 and a pressing rod 412. The pressing rod 412 is connected to the connecting rod 411 at an angle. The pressing rod 412 is arranged along the left-right direction (the left-right direction is as shown in FIG. Figure 1The connecting rod 411 is movably connected to the support frame 21, and the connecting rod 411 can drive the pressure rod 412 to move relative to the support frame 21 so that the pressure rod 412 has an avoidance position and a working position. When the pressure rod 412 is in the avoidance position, the pressure rod 412 is close to the bottom of the plate body 22, and when the pressure rod 412 is in the working position, the pressure rod 412 is spaced from the bottom of the plate body 22; when the night curtain 32 is in the working state and the pressure rod 412 is in the working position, the night curtain 32 passes between the pressure rod 412 and the front end of the plate body 22, and the night curtain 32 abuts against the front end of the plate body 22. With such a configuration, the pressure rod 412 can be switched between the avoidance position and the working position by moving the connecting rod 411, which is easy to operate. In addition, when the dual-temperature air curtain cabinet is in use, by making the pressure rod 41 close to the bottom of the plate body 22, it can maintain beauty and will not affect the taking and placing of items from the hot zone or the cold zone; when the dual-temperature air curtain cabinet is not in use, the pressure rod 412 can be extended forward and spaced from the bottom of the plate body 22, so as to facilitate the night curtain 32 to pass through between the pressure rod 412 and the plate body 22, and press the night curtain 32 in the working state against the front end of the plate body 22.

[0061] Optionally, a felt or a sealing strip is provided at the front end of the plate body 22, and the pressure rod 412 presses the night curtain 32 against the felt or the sealing strip, thereby ensuring a stable sealing effect between the night curtain 32 and the front end of the plate body 22.

[0062] Optionally, see Figures 4 to 6 The support frame 21 or the plate body 22 is provided with a fixing groove 212. When the pressure rod 412 is located at the avoidance position, the pressure rod 412 is plugged into the fixing groove 212. When the pressure rod 412 is located at the working position, the pressure rod 412 is separated from the fixing groove 212. With such a configuration, when the dual-temperature air curtain cabinet is used, the pressure rod 412 can be plugged into the fixing groove 212, and the position of the pressure rod 412 is stable, and it will not hinder the user from taking out items in the cold zone or the hot zone through the opening 12. Preferably, the fixing groove 212 is arranged adjacent to the bottom of the plate body 22.

[0063] Optionally, see Figures 3 to 5 In this embodiment, the support frame 21 is provided with a long slot 211, which extends in the front-to-back direction, and the connecting rod 411 is plugged into the long slot 211. The connecting rod 411 can drive the pressure rod 412 to move along the long slot 211 and can rotate relative to the support frame 21, so that the pressure rod 412 is located in the avoidance position or the working position. Specifically, when the dual-temperature air curtain cabinet is not in use, the pressure rod 412 is located in the working position, and under the action of the pressure rod 412's own gravity, the pressure rod 412 can make the night curtain 32 in the working state stably fit with the front end of the plate body 22. Preferably, the fixing slot 212 is provided on the support frame 21.

[0064] Optionally, see Figure 8In this embodiment, one end of the connecting rod 411 is provided with a thread, and the limiting assembly 4 further includes a nut 42. After the connecting rod 411 is plugged into the support frame 21, it is threadedly connected to the nut 42 to prevent the pressing member 41 from being separated from the support frame 21 and facilitate the installation of the pressing member 41. In other embodiments, a slot can be further provided on the connecting rod 411, and the limiting assembly 4 includes a retaining ring, which is engaged with the slot to prevent the pressing member 41 from being separated from the support frame 21.

[0065] Optionally, please continue to refer to Figure 8 In this embodiment, the support frame 21 includes a support arm 213 and a fixing plate 214. The support arm 213 is fixedly connected to the cabinet body 1, the plate body 22 is fixedly connected to the support arm 213, and the fixing plate 214 is detachably connected to the plate body 22; or, the fixing plate 214 is detachably connected to the support arm 213; and the connecting rod 411 is plugged into the fixing plate 214. In this arrangement, the limit assembly 4 can be first installed on the fixing plate 214, and then the fixing plate 214 can be installed on the plate body 22 or the support arm 213, which is convenient for the assembly and disassembly of the limit assembly 4. Preferably, the long slot 211 and the fixing slot 212 are both provided on the fixing plate 214.

[0066] Optionally, please continue to refer to Figure 8 The insulation board assembly 2 includes two support frames 21 spaced apart in the left-right direction, each support frame 21 is fixedly connected to the cabinet 1 and the bottom of the board 22 at the same time; the pressing member 41 includes two connecting rods 411, the two connecting rods 411 are respectively connected to the left and right ends of the pressing rod 412, the two connecting rods 411 are arranged one-to-one with the two support frames 21, and each connecting rod 411 is movably connected to the corresponding support frame 21. In this way, the left and right ends of the pressing rod 412 are movably connected to the two support frames 21 through the two connecting rods 411, and the left and right ends of the pressing rod 412 have high structural strength. When the pressing rod 412 presses the night curtain 32, it can ensure that the left and right ends of the night curtain 32 are stably abutted against the front end of the insulation board assembly 2. Specifically, in this embodiment, a long groove 211 extending in the front-to-back direction is provided on the fixing plate 214 of each support frame 21, and each connecting rod 411 is respectively plugged into the long groove 211 on the corresponding fixing plate 214 and can slide along the long groove 211. The connecting rod 411 is an L-shaped shaft structure, and the connecting rod 411 includes a horizontal axis and a vertical axis. The horizontal axis is plugged into the support arm 213, and the vertical axis is connected to the pressure rod 412. The pressing piece 41 can rotate around the axis of the horizontal axis.

[0067] Optionally, the vertical axes of the two connecting rods 411 are arranged in parallel and spaced apart, and the two support arms 213 are located between the vertical axes of the two connecting rods 411, so that the length of the pressure rod 412 along the left-right direction matches the size of the opening 12 along the left-right direction, thereby ensuring that both left and right ends of the night curtain 32 can abut against the front end of the insulation board assembly 2.

[0068] As an alternative, see Figure 6 , the support frame 21 is provided with a socket 215, the connecting rod 411 is plugged into the socket 215, and the connecting rod 411 can drive the pressure rod 412 to rotate synchronously around the axis of the socket 215 relative to the support frame 21, so that the pressure rod 412 is located in the avoidance position or the working position. In this way, the pressure rod 412 can be switched between the working position and the avoidance position by only rotating the connecting rod 411, and the operation is simple. Preferably, the fixing groove 212 is provided on the support frame 21, and the fixing groove 212 is an arc groove with the socket 215 as the center. Further preferably, the groove width of the fixing groove 212 matches the size of the pressure rod 412, and the friction between the two after the pressure rod 412 is inserted into the fixing groove 212 can prevent the pressure rod 412 from falling. Further preferably, both support frames 21 are provided with a socket 215, each support frame 21 is provided with a fixing groove 212, and the fixing groove 212 is located behind the socket 215, each connecting rod 411 is respectively plugged into the socket 215 on the corresponding support frame 21, and can rotate relative to the support frame 21, when the pressure rod 412 is in the avoidance position, the pressure rod 412 is simultaneously plugged into the fixing grooves 212 on the two support frames 21, and when the pressure rod 412 is in the working position, the pressure rod 412 is separated from the fixing grooves 212 on the two frames 21, and it hangs freely under the action of its own weight.

[0069] As an alternative, the support frame 21 is provided with a slide groove (not shown in the drawings), the connecting rod 411 is inserted into the slide groove, and the connecting rod 411 is slidably matched with the slide groove, and the connecting rod 411 can drive the pressure rod 412 to slide along the slide groove synchronously, so that the pressure rod 412 is located in the avoidance position or the working position. In this way, the pressure rod 412 can be switched between the working position and the avoidance position by sliding the connecting rod 411, and the operation is simple. Preferably, the fixed groove 212 is provided on the plate body 22. Further preferably, the slide groove is arranged along an inclination, and the front end of the slide groove is higher than the rear end of the slide groove. In this way, when the pressure rod 412 is located in the working position, the pressure rod 412 can stably press the night curtain 32 in the working state on the front end of the plate body 22 under the action of its own gravity. Further preferably, slide grooves are provided on both support arms 213, and each connecting rod 411 is slidably matched with the slide groove of the corresponding support arm 213.

[0070] As an alternative solution, the limit assembly 4 includes two first limit rods, which are arranged one by one with the two side walls 16, each first limit rod is pivoted to the support frame 21 or the corresponding side wall 16, and each first limit rod has an avoidance position and a working position. When the first limit rod is in the avoidance position, the first limit rod is in contact with or opposite to the corresponding side wall 16, and when the first limit rod is in the working position, the first limit rod is located below the plate body 22 and is spaced from the plate body 22; when the night curtain 32 is in the working state and the two first limit rods are both in the working position, the night curtain 32 passes between the two first limit rods and the plate body 22 and abuts against the front end of the plate body 22. Specifically, the pivot axis of the first limit rod extends in the front-to-back direction or in the up-down direction, and the first limit rod rotates around the pivot axis between the avoidance position and the working position. When the dual-temperature air curtain cabinet is in use, the night curtain 32 is rolled up on the rotating shaft 31, and the two first limit rods are located in the avoidance position and are in contact with or opposite to the side wall 16; when the dual-temperature air curtain cabinet is not in use, after the night curtain 32 closes the opening 12, the two first limit rods are rotated to the working position, the first limit rods are located below the plate body 22, and the night curtain 32 is pressed against the front end of the plate body 22.

[0071] As an alternative, see Figure 7 , the two side walls 16 are symmetrically provided with limiting grooves 161; the limiting assembly 4 includes a second limiting rod 43, and the two ends of the second limiting rod 43 are respectively plugged into the limiting grooves 161 on the two side walls 16. When the night curtain 32 is in the working state, the night curtain 32 passes between the second limiting rod 43 and the plate body 22 and abuts against the front end of the plate body 22. Preferably, the limiting groove 161 includes a transverse groove 162 and a vertical groove 163 connected at an angle; when the two ends of the second limiting rod 43 are located in the vertical groove 163, the second limiting rod 43 can press the night curtain 32 to the front end of the plate body 22 under the action of its own weight, and when the two ends of the second limiting rod 43 are located in the transverse groove 162, the second limiting rod 43 is located below the insulation board assembly 2 and is arranged adjacent to the bottom of the plate body 22, so that the second limiting rod 43 can be prevented from affecting the taking and placing of items.

[0072] As an alternative solution, the limit assembly 4 includes a magnet, which is fixed to the front end of the insulation board assembly 2, and the night curtain 32 is provided with a suction piece; when the night curtain 32 is in the working state, the suction piece is attracted to the magnet so that the night curtain 32 abuts against the front end of the insulation board assembly 2, and when the night curtain 32 is in the initial state, the suction piece is separated from the magnet. With such a configuration, when there is no need to use the dual-temperature air curtain cabinet, the night curtain 32 only needs to be fully unfolded downward, and under the action of the magnetic attraction of the magnet, the magnet and the suction piece can be adsorbed by themselves, so that the night curtain 32 and the front end of the insulation board assembly 2 are stably fitted, and the operation is simple.

[0073] As an alternative, see Figure 2 , the limiting assembly 4 includes a third limiting rod; when the night curtain 32 is in working state, the night curtain 32 passes through between the third limiting rod and the plate body 22, and the connecting lines between the rotating shaft 31, the third limiting rod and the second connecting member 34 are in a triangle shape, and the front end of the plate body 22 extends to the inside of the triangle. Since the front end of the plate body 22 extends between the rotating shaft 31 and the third limiting rod, the night curtain 32 located between the rotating shaft 31 and the third limiting rod can abut against the front end of the plate body 22.

[0074] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A dual temperature air curtain cabinet, characterized in that: include: A cabinet (1), the cabinet (1) comprising a accommodating cavity (11) and an opening (12) communicating with the accommodating cavity (11), the opening (12) being arranged at the front of the accommodating cavity (11), the accommodating cavity (11) being used for accommodating articles; A temperature insulation board assembly (2) is installed in the accommodating chamber (11), and the temperature insulation board assembly (2) divides the accommodating chamber (11) into a first temperature zone (111) and a second temperature zone (112); A night curtain assembly (3) is installed on the cabinet (1), and the night curtain assembly (3) comprises a rotating shaft (31), a night curtain (32), a first connecting member (33) and a second connecting member (34), wherein the rotating shaft (31) is located at one of the upper side of the opening (12) and the lower side of the opening (12), the first end of the night curtain (32) is connected to the rotating shaft (31), the first connecting member (33) is connected to the second end of the night curtain (32), and the second connecting member (34) is located at the opening (12). The night curtain (32) is located at the other of the upper side of the night curtain (32) and the lower side of the opening (12), the night curtain (32) having an initial state and a working state, when the night curtain (32) is in the initial state, the first connecting member (33) and the second connecting member (34) are separated, and the night curtain (32) is wound around the rotating shaft (31), and the opening (12) is opened; when the night curtain (32) is in the working state, the night curtain (32) is unfolded, and the first connecting member (33) and the second connecting member (34) are matched; A limit assembly (4) is arranged adjacent to the front end of the thermal insulation board assembly (2), and the limit assembly (4) is configured to make the night curtain (32) in the working state abut against the front end of the thermal insulation board assembly (2), so that the night curtain (32) simultaneously closes the first temperature zone (111) and the second temperature zone (112).

2. The dual temperature air curtain cabinet according to claim 1, characterized in that: The insulation board assembly (2) comprises a support frame (21) and a board body (22), wherein the support frame (21) is fixedly connected to the cabinet body (1), the board body (22) is fixedly connected to the support frame (21), and the board body (22) is located above the support frame (21); The limiting assembly (4) comprises a pressing member (41), wherein the pressing member (41) is connected to the support frame (21) or the cabinet (1); when the night curtain (32) is in the working state, the night curtain (32) passes between the pressing member (41) and the plate body (22) and abuts against the front end of the plate body (22).

3. The dual temperature air curtain cabinet according to claim 2, characterized in that: The pressing member (41) comprises a connecting rod (411) and a pressure rod (412), wherein the pressure rod (412) is connected to the connecting rod (411) at an angle, the pressure rod (412) extends in the left-right direction, the connecting rod (411) is movably connected to the support frame (21), and the connecting rod (411) can drive the pressure rod (412) to move relative to the support frame (21) so that the pressure rod (412) has an avoidance position and a working position, when the pressure rod (412) is located at the avoidance position, the pressure rod (412) is close to the bottom of the plate body (22), and when the pressure rod (412) is located at the working position, the pressure rod (412) is spaced apart from the bottom of the plate body (22); When the night curtain (32) is in the working state and the pressure rod (412) is located at the working position, the night curtain (32) passes between the pressure rod (412) and the plate body (22), and the night curtain (32) abuts against the front end of the plate body (22).

4. The dual temperature air curtain cabinet according to claim 3, characterized in that: The support frame (21) or the plate body (22) is provided with a fixing groove (212); when the pressure rod (412) is located at the avoidance position, the pressure rod (412) is inserted into the fixing groove (212); when the pressure rod (412) is located at the working position, the pressure rod (412) is separated from the fixing groove (212).

5. The dual temperature air curtain cabinet according to claim 3, characterized in that: The support frame (21) is provided with a long slot (211), the long slot (211) extends in the front-rear direction, the connecting rod (411) is plugged into the long slot (211), the connecting rod (411) can drive the pressure rod (412) to move along the long slot (211) and can rotate relative to the support frame (21), so that the pressure rod (412) is located at the avoidance position or the working position; or, The support frame (21) is provided with a plug hole (215), the connecting rod (411) is plugged into the plug hole (215), and the connecting rod (411) can drive the pressure rod (412) to rotate around the axis of the plug hole (215) relative to the support frame (21), so that the pressure rod (412) is located at the avoidance position or the working position; or, The support frame (21) is provided with a slide groove, the connecting rod (411) is inserted into the slide groove, and the connecting rod (411) is slidably matched with the slide groove, and the connecting rod (411) can drive the pressure rod (412) to slide along the slide groove synchronously, so that the pressure rod (412) is located in the avoidance position or the working position.

6. The dual temperature air curtain cabinet according to claim 3, characterized in that: The insulation board assembly (2) comprises two support frames (21) arranged at intervals in the left-right direction, and each of the support frames (21) is fixedly connected to the cabinet (1) and the bottom of the board body (22) at the same time; The pressing member (41) comprises two connecting rods (411), the two connecting rods (411) are respectively connected to the left and right ends of the pressing rod (412), the two connecting rods (411) are arranged in a one-to-one correspondence with the two supporting frames (21), and each connecting rod (411) is movably connected to the corresponding supporting frame (21).

7. The dual temperature air curtain cabinet according to claim 2, characterized in that: The cabinet (1) comprises two side walls (16) forming the accommodating cavity (11), and the two side walls (16) are arranged relatively spaced apart in the left-right direction; The limiting assembly (4) comprises two first limiting rods, the two first limiting rods are arranged in one-to-one correspondence with the two side walls (16), each of the first limiting rods is pivotally connected to the support frame (21) or the corresponding side wall (16), each of the first limiting rods has an avoidance position and a working position, when the first limiting rod is located at the avoidance position, the first limiting rod is in contact with or arranged opposite to the corresponding side wall (16), when the first limiting rod is located at the working position, the first limiting rod is located below the plate body (22) and is spaced apart from the plate body (22); When the night curtain (32) is in a working state and the two first limiting rods are both located at the working position, the night curtain (32) passes through between the two first limiting rods and the plate body (22) and abuts against the front end of the plate body (22).

8. The dual temperature air curtain cabinet according to claim 2, characterized in that: The cabinet (1) comprises two side walls (16) forming the accommodating cavity (11), the two side walls (16) being arranged with a relative spacing in the left-right direction, and the two side walls (16) being symmetrically provided with limiting grooves (161); The limiting assembly (4) comprises a second limiting rod (43), the two ends of which are respectively plugged into the limiting grooves (161) on the two side walls (16); when the night curtain (32) is in the working state, the night curtain (32) passes between the second limiting rod (43) and the plate body (22) and abuts against the front end of the plate body (22).

9. The dual temperature air curtain cabinet according to claim 1, characterized in that: The limit assembly (4) comprises a magnet, the magnet is fixed to the front end of the insulation board assembly (2), and the night curtain (32) is provided with a suction member; When the night curtain (32) is in the working state, the suction component is attracted to the magnet so that the night curtain (32) abuts against the front end of the insulation board assembly (2); when the night curtain (32) is in the initial state, the suction component is separated from the magnet.

10. The dual temperature air curtain cabinet according to claim 1, characterized in that: The limiting assembly (4) comprises a third limiting rod, the thermal insulation board assembly (2) comprises a support frame (21) and a plate body (22), the support frame (21) is fixedly connected to the cabinet body (1), the plate body (22) is fixedly connected to the support frame (21), and the plate body (22) is located above the support frame (21); When the night curtain (32) is in the working state, the night curtain (32) passes through between the third limiting rod and the plate body (22), and the connecting lines between any two of the rotating shaft (31), the third limiting rod and the second connecting member (34) form a triangle, and the front end of the plate body (22) extends to the inside of the triangle.

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