Fresh air exchange mechanism of embedded fruit and vegetable refrigerated container

Abstract

The utility model relates to the technical field of fresh air exchange, in particular to a fresh air exchange mechanism of an embedded fruit and vegetable refrigerated container, which comprises an inner mounting plate, an outer mounting plate, an air inlet pipe and an exhaust pipe, and is characterized in that air inlets and air outlets are formed in the side surfaces of the inner mounting plate and the outer mounting plate; an air inlet pipe is fixedly installed at the position, corresponding to the air inlet, between the inner installation plate and the outer installation plate, an exhaust pipe is fixedly installed at the position, corresponding to the air outlet, between the inner installation plate and the outer installation plate, and an elbow is fixedly connected to the position, corresponding to the air inlet, of the side, away from the outer installation plate, of the inner installation plate. The device has the advantages that the double-shaft steering engine drives the turning plate to rotate through the transmission shaft, so that the air circulation sectional area inside the air inlet pipe and the air exhaust pipe is adjusted, the purpose of adjusting the air inlet and exchange amount is achieved, a worker does not need to climb to the refrigerated container for adjustment, operation is facilitated, and the purposes of saving time and labor are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air exchange, in particular to a fresh air exchange mechanism of an embedded fruit and vegetable refrigerated container. Background Art

[0002] Refrigerated containers are usually used for the transportation of fruits and vegetables to prevent them from spoiling during transportation. To keep fruits and vegetables fresh in refrigerated containers, fresh air exchange structures are required.

[0003] At present, the fresh air exchange method for refrigerated containers is: a hole is opened on the wall of the refrigerated container at the evaporator, and then a mechanism with two vents is made and embedded on it. The mechanism has a movable baffle. When the fresh air mechanism is closed, the baffle blocks the two air outlets. The baffle is manually adjusted to adjust the size of the air inlet and the air outlet, thereby adjusting the air exchange rate in the container.

[0004] However, the current fresh air exchange mechanism of the refrigerated container controls the size of the air outlet by manually operating the air outlet baffle to achieve the purpose of controlling the amount of incoming air, so the ventilation operation is inconvenient. Utility Model Content

[0005] The purpose of the utility model is to solve at least one of the technical defects described in the background technology.

[0006] To this end, one purpose of the utility model is to provide a fresh air exchange mechanism for an embedded fruit and vegetable refrigerated container, aiming to solve the problem of inconvenient ventilation operation of the fresh air exchange mechanism for the refrigerated container in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a fresh air exchange mechanism for an embedded fruit and vegetable refrigerated container, comprising an inner mounting plate, an outer mounting plate, an air inlet duct and an exhaust duct, characterized in that the sides of the inner mounting plate and the outer mounting plate are both provided with an air inlet and an air outlet, an air inlet duct is fixedly installed at a position corresponding to the air inlet between the inner mounting plate and the outer mounting plate, an exhaust duct is fixedly installed at a position corresponding to the air outlet between the inner mounting plate and the outer mounting plate, an elbow is fixedly connected to a position corresponding to the air inlet on one side of the inner mounting plate away from the outer mounting plate, a double-axis steering gear is fixedly installed between the air inlet duct and the exhaust duct, bearings are fixedly connected to the surfaces of the air inlet duct and the exhaust duct, the air inlet duct and the exhaust duct are rotatably connected to a transmission shaft through bearings, a flap is fixedly connected to the outer surface of the transmission shaft, and the transmission shafts in the air inlet duct and the exhaust duct are respectively fixedly connected to the two output ends of the double-axis steering gear.

[0008] Preferably, any of the above schemes has a sealing film fixedly connected to the outer surface of the flap to improve the sealing when the fresh air exchange is stopped.

[0009] Preferably, any of the above schemes has a fan fixedly installed at a position corresponding to the air outlet on a side of the inner mounting plate away from the outer mounting plate, which can assist in rapid exhaust of air in the initial stage of refrigeration, thereby accelerating the efficiency of fresh air exchange.

[0010] Preferably, any of the above schemes is that a first positioning ring is fixedly connected to the positions corresponding to the air inlet and the air outlet on one side of the inner mounting plate, and a second positioning ring is fixedly connected to the positions corresponding to the air inlet and the air outlet on one side of the outer mounting plate, and the first positioning ring and the second positioning ring are respectively inserted at the two ends of the air inlet pipe or the exhaust pipe, so as to facilitate the positioning of the air inlet pipe and the exhaust pipe, thereby facilitating assembly.

[0011] Preferably, any of the above schemes is that the air inlet and the air outlet of the external mounting plate are both connected with a limiting ring, the outer surface of the limiting ring is fixedly connected with a positioning plate, the inner wall of the limiting ring is fixedly connected with a filter, one side of the positioning plate is fixedly connected with a hemispherical cover, and an air outlet is opened at the bottom of the hemispherical cover to achieve the purpose of preventing insects, foreign objects and rain.

[0012] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0013] 1. The dual-axis steering gear drives the flap to rotate through the transmission shaft, thereby adjusting the cross-sectional area of ​​the air flow inside the air inlet and exhaust pipes, thereby achieving the purpose of adjusting the amount of ventilation air. Therefore, there is no need to manually climb onto the refrigerated container for adjustment, which facilitates operation and achieves the purpose of saving time and effort.

[0014] 2. The fan can accelerate the discharge of air in the refrigerated container to the outside through the exhaust duct. After loading fruits and vegetables into the refrigerated container, the fan can be used to speed up the discharge of air in the refrigerated container, thereby achieving the purpose of accelerating the efficiency of fresh air exchange.

[0015] 3. After the inner mounting plate is fixed to the inner wall of the refrigerated container, one end of the air inlet pipe and the exhaust pipe can be respectively put on the surface of the two first positioning rings to preliminarily position the air inlet pipe and the exhaust pipe, and then the second positioning ring on the outer mounting plate is respectively inserted into the end of the air inlet pipe and the exhaust pipe, and finally the outer mounting plate is fixed to the outer wall of the refrigerated container. The air inlet pipe and the exhaust pipe do not need to be welded or bolted to the inner mounting plate and the outer mounting plate, so that the fixing of the air inlet pipe and the exhaust pipe is simpler.

[0016] 4. By fixing the limit ring in the air inlet and outlet of the outer mounting plate, the filter in the limit ring can prevent flying insects or foreign objects from entering the air inlet or exhaust duct, thereby playing a filtering role. In addition, a hemispherical cover is fixed on the positioning plate on the outer surface of the limit ring, and the air outlet is opened under the hemispherical cover to prevent rainwater from entering, thereby achieving the purpose of rain protection.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 It is a structural schematic diagram according to the utility model.

[0020] Figure 2 It is a schematic diagram of the exploded structure according to the utility model.

[0021] Figure 3 It is a structural schematic diagram of the inner mounting plate according to the utility model.

[0022] Figure 4 It is a schematic diagram of the internal structure of the air inlet pipe and the air exhaust pipe according to the utility model.

[0023] Figure 5 It is a schematic structural diagram of a limit ring and a hemispherical cover according to the utility model.

[0024] Among them: 1. inner mounting plate, 11. first positioning ring, 12. elbow, 13. fan, 2. outer mounting plate, 21. second positioning ring, 3. air inlet pipe, 4. exhaust pipe, 5. dual-axis servo, 51. bearing, 52. transmission shaft, 53. flap, 54. sealing film, 55. fixing plate, 6. limiting ring, 61. positioning plate, 62. filter, 63. hemispherical cover, 64. air outlet. DETAILED DESCRIPTION

[0025] 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 intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection 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.

[0027] The utility model provides a fresh air exchange mechanism for an embedded fruit and vegetable refrigeration container.

[0028] Embodiment 1:

[0029] like Figure 1-4 As shown, it includes an inner mounting plate 1, an outer mounting plate 2, an air inlet duct 3 and an exhaust duct 4, and is characterized in that the inner mounting plate 1 and the outer mounting plate 2 are both provided with air inlets and air outlets on their sides, an air inlet duct 3 is fixedly installed at a position corresponding to the air inlet between the inner mounting plate 1 and the outer mounting plate 2, an exhaust duct 4 is fixedly installed at a position corresponding to the air outlet between the inner mounting plate 1 and the outer mounting plate 2, an elbow 12 is fixedly connected to a position corresponding to the air inlet on one side of the inner mounting plate 1 away from the outer mounting plate 2, the elbow 12 is connected to the fan of the cold machine evaporator through a pipeline, so that the cold machine evaporator can suck external fresh air into the cold machine evaporator through the pipeline and the elbow 12, and the fresh air is mixed with the cold air and enters the interior of the refrigerated container, a double-axis steering gear 5 is fixedly installed between the air inlet duct 3 and the exhaust duct 4, and the surfaces of the air inlet duct 3 and the exhaust duct 4 are both fixedly connected with shafts Bearing 51, the air inlet duct 3 and the exhaust duct 4 are rotatably connected to the transmission shaft 52 through the bearing 51, and the outer surface of the transmission shaft 52 is fixedly connected to the flap 53. By rotating the flap 53, it can block part of the air inlet duct 3 and the exhaust duct 4, or completely block the air inlet duct 3 and the exhaust duct 4, so that the rotation angle of the flap 53 is adjusted by the transmission shaft 52, so as to achieve the purpose of adjusting the size of the air circulation cross-sectional area inside the air inlet duct 3 and the exhaust duct 4, and then achieve the purpose of adjusting the intake and ventilation air volume, and the outer surface of the flap 53 is fixedly connected to the sealing film 54, when the fresh air exchange is stopped, the sealing film 54 can improve the sealing and avoid the problem of air leakage, the transmission shaft 52 in the air inlet duct 3 and the exhaust duct 4 are respectively fixedly connected to the two output ends of the dual-axis servo gear 5, and the dual-axis servo gear 5 can achieve the purpose of rotating the flap 53 by driving the transmission shaft 52.

[0030] Specifically, a fixing plate 55 is fixedly connected between the air inlet pipe 3 and the air outlet pipe 4 , and the dual-axis steering gear 5 is fixedly installed on one side of the fixing plate 55 .

[0031] Preferably, a fan 13 is fixedly installed at a position corresponding to the air outlet on one side of the inner mounting plate 1 away from the outer mounting plate 2. When the fan 13 is started, the air in the refrigerated container can be discharged to the outside through the exhaust pipe 4 at an accelerated speed. After fruits and vegetables are loaded into the refrigerated container, the exhaust of the air in the refrigerated container can be accelerated through the cooperation of the fan 13, thereby achieving the purpose of accelerating the fresh air exchange efficiency.

[0032] Embodiment 2:

[0033] like Figure 2-3As shown, on the basis of Example 1, a first positioning ring 11 is fixedly connected to the positions corresponding to the air inlet and the air outlet on one side of the inner mounting plate 1, and a second positioning ring 21 is fixedly connected to the positions corresponding to the air inlet and the air outlet on one side of the outer mounting plate 2. The first positioning ring 11 and the second positioning ring 21 are respectively inserted into the two ends of the air inlet pipe 3 or the exhaust pipe 4. After the inner mounting plate 1 is fixed to the inner wall of the refrigerated container, one end of the air inlet pipe 3 and the exhaust pipe 4 can be respectively sleeved on the surface of the two first positioning rings 11 to preliminarily position the air inlet pipe 3 and the exhaust pipe 4. Then, the second positioning ring 21 on the outer mounting plate 2 is respectively inserted into the ends of the air inlet pipe 3 and the exhaust pipe 4. Finally, the outer mounting plate 2 is fixed to the outer wall of the refrigerated container. The air inlet pipe 3 and the exhaust pipe 4 do not need to be welded or bolted to the inner mounting plate 1 and the outer mounting plate 2, thereby making it easier to fix the air inlet pipe 3 and the exhaust pipe 4.

[0034] Embodiment three:

[0035] like Figure 1 , Figure 2 and Figure 5 As shown, on the basis of Example 1 or Example 2, the air inlet and the air outlet of the outer mounting plate 2 are both inserted with a limit ring 6, and the outer surface of the limit ring 6 is fixedly connected with a positioning plate 61, and the positioning plate 61 is fixed or welded to the outer mounting plate 2 by bolts to position the limit ring 6, and the inner wall of the limit ring 6 is fixedly connected with a filter screen 62, which can prevent flying insects or foreign objects from entering the air inlet pipe 3 or the exhaust pipe 4, and play a filtering role. One side of the positioning plate 61 is fixedly connected with a hemispherical cover 63, and an air outlet 64 is opened at the bottom of the hemispherical cover 63. The air outlet 64 is used for air circulation, and the air outlet 64 is located at the bottom to prevent rainwater from entering, thereby achieving the purpose of rain protection.

[0036] The working principle of the utility model is as follows: when in use, a hole matching the inner mounting plate 1 and the outer mounting plate 2 is opened on the box wall in front of the refrigerated container, and the hole penetrates into the interior of the refrigerated container, and then the inner mounting plate 1 is fixed to the inner wall of the refrigerated container by screws or welding, and then the air inlet pipe 3 and the exhaust pipe 4 are inserted into the hole from the outside of the refrigerated container, and are respectively sleeved on the surfaces of the two first positioning rings 11 on the inner mounting plate 1, and then the two second positioning rings 21 on the outer mounting plate 2 are aligned with the air inlet pipe 3 and the exhaust pipe 4 and inserted, and finally the outer mounting plate 2 is fixed to the outer wall of the refrigerated container by screws or welding, and when adjusting the air intake and exhaust volumes, the dual-axis steering gear 5 is started to rotate the flap 53.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] 1. When adjusting the amount of ventilation air, the dual-axis steering gear 5 is started, and the dual-axis steering gear 5 drives the flap 53 to rotate through the transmission shaft 52, so as to adjust the size of the air flow cross-sectional area inside the air inlet pipe 3 and the exhaust pipe 4, thereby achieving the purpose of adjusting the amount of ventilation air. Therefore, there is no need to manually climb onto the refrigerated container to adjust, which facilitates the operation and achieves the purpose of saving time and effort.

[0039] 2. By setting up the fan 13 and starting the fan 13, the air in the refrigerated container can be discharged to the outside through the exhaust pipe 4 at an accelerated speed. After the fruits and vegetables are loaded into the refrigerated container, the exhaust of the air in the refrigerated container can be accelerated through the cooperation of the fan 13, thereby achieving the purpose of accelerating the fresh air exchange efficiency.

[0040] 3. After the inner mounting plate 1 is fixed to the inner wall of the refrigerated container, one end of the air inlet pipe 3 and the exhaust pipe 4 can be respectively put on the surface of the two first positioning rings 11 to preliminarily position the air inlet pipe 3 and the exhaust pipe 4, and then the second positioning ring 21 on the outer mounting plate 2 is respectively inserted into the ends of the air inlet pipe 3 and the exhaust pipe 4, and finally the outer mounting plate 2 is fixed to the outer wall of the refrigerated container. The air inlet pipe 3 and the exhaust pipe 4 do not need to be welded or bolted to the inner mounting plate 1 and the outer mounting plate 2, so that the fixing of the air inlet pipe 3 and the exhaust pipe 4 is simpler.

[0041] 4. By fixing the limit ring 6 in the air inlet and outlet of the outer mounting plate 2, the filter 62 in the limit ring 6 can prevent flying insects or foreign objects from entering the air inlet pipe 3 or the air outlet pipe 4, thereby playing a filtering role. In addition, a hemispherical cover 63 is fixed on the positioning plate 61 on the outer surface of the limit ring 6, and the air outlet 64 is opened below the hemispherical cover 63, which can prevent rainwater from entering and achieve the purpose of rain protection.

Claims

1. A fresh air exchange mechanism for an embedded fruit and vegetable refrigerated container, comprising an inner mounting plate (1), an outer mounting plate (2), an air inlet pipe (3) and an air outlet pipe (4), characterized in that: The sides of the inner mounting plate (1) and the outer mounting plate (2) are both provided with an air inlet and an air outlet; an air inlet pipe (3) is fixedly installed at a position corresponding to the air inlet between the inner mounting plate (1) and the outer mounting plate (2); an air exhaust pipe (4) is fixedly installed at a position corresponding to the air outlet between the inner mounting plate (1) and the outer mounting plate (2); an elbow (12) is fixedly connected to a position corresponding to the air inlet on a side of the inner mounting plate (1) away from the outer mounting plate (2); and the air inlet pipe ( A double-axis steering gear (5) is fixedly installed between the air inlet pipe (3) and the exhaust pipe (4); the surfaces of the air inlet pipe (3) and the exhaust pipe (4) are fixedly connected with bearings (51); the air inlet pipe (3) and the exhaust pipe (4) are rotatably connected with a transmission shaft (52) through the bearings (51); the outer surface of the transmission shaft (52) is fixedly connected with a flap (53); the transmission shaft (52) in the air inlet pipe (3) and the exhaust pipe (4) is respectively fixedly connected to the two output ends of the double-axis steering gear (5).

2. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 1 is characterized in that: A sealing rubber sheet (54) is fixedly connected to the outer surface of the flap (53).

3. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 1 is characterized in that: A fixing plate (55) is fixedly connected between the air inlet pipe (3) and the air outlet pipe (4), and the dual-axis steering gear (5) is fixedly mounted on one side of the fixing plate (55).

4. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 1 is characterized in that: A fan (13) is fixedly mounted on a side of the inner mounting plate (1) away from the outer mounting plate (2) at a position corresponding to the air outlet.

5. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 1 is characterized in that: A first positioning ring (11) is fixedly connected to positions corresponding to the air inlet and the air outlet on one side of the inner mounting plate (1), and a second positioning ring (21) is fixedly connected to positions corresponding to the air inlet and the air outlet on one side of the outer mounting plate (2), wherein the first positioning ring (11) and the second positioning ring (21) are respectively plugged into two ends of the air inlet pipe (3) or the air outlet pipe (4).

6. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 1 is characterized in that: The air inlet and the air outlet of the outer mounting plate (2) are both plugged with a limit ring (6), the outer surface of the limit ring (6) is fixedly connected to a positioning plate (61), and the inner wall of the limit ring (6) is fixedly connected to a filter screen (62).

7. The fresh air exchange mechanism of the embedded fruit and vegetable refrigerated container according to claim 6 is characterized in that: A hemispherical cover (63) is fixedly connected to one side of the positioning plate (61), and an air outlet (64) is provided below the hemispherical cover (63).

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