Food fresh-keeping box device

Abstract

The utility model relates to a food fresh-keeping box device which is used for keeping food fresh under the action of ozone gas circulation generation and gas convection. The utility model provides a food fresh-keeping box device. The food fresh-keeping box device comprises a fresh-keeping box main body, an ozone generation circulating device and two check valve sections, through the design of the check valve section with a special structure, the sealing performance of the air inlet and the air outlet when the air inlet and the air outlet are closed can be ensured, so that the food fresh-keeping box device provided by the utility model is simple in structure, convenient to operate and good in sealing performance, and the working efficiency of ozone gas in the fresh-keeping box main body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of disinfection equipment, especially to a food preservation box device for fresh-keeping food by ozone gas circulation generation and gas convection. BACKGROUND

[0002] With the increasing demand of people on the quality and safety of meat, fruit and vegetable food, higher requirements are put forward for the preservation of these foods, especially the freshness of food materials during transportation, which can still maintain its freshness within a certain time without freezing treatment, so as to achieve ideal appearance and quality.

[0003] Ozone has broad-spectrum bactericidal effect, can disinfect and sterilize melons, fruits and vegetables, meat, prevent decay and preservation, remove odors, and has the function of degrading phosphorus-containing pesticides on the surface of melons, fruits and vegetables, and its products during the sterilization operation are mainly oxygen and gaseous water, without the residue of disinfection medium, green and environmentally friendly, so it is considered by everyone as a sterilization gas for food preservation device.

[0004] The existing food sterilization device mainly has the following types:

[0005] I. Install vacuum pump, air compressor, electromagnetic valve, nitrogen storage tank, oxygen storage tank and negative pressure tank in the disinfection cabinet, use vacuum pumping and nitrogen flushing to suffocate microorganisms, this device is suitable for the preservation of fruits and vegetables, and this device needs to be fixed in a position in the room and is not suitable for food transportation and turnover.

[0006] II. Install vacuum pump, evaporator, humidifier, cold suspecter, refrigeration compressor, drawer, storage plate and ozone generator in the preservation cabinet, inhibit microbial reproduction and sterilization by freezing, refrigeration and ozone. This device is suitable for fresh food preservation, and this device needs to be fixed in a position in the room and is not suitable for food transportation and turnover.

[0007] III. Install ozone generator, vacuum pumping device and gas releasing device in the preservation intelligent cabinet. This device uses ozone to sterilize and preserve, and the gas is not circulated. This device is suitable for the preservation of fruits and vegetables, and this device needs to be fixed in a position in the room and is not suitable for food transportation and turnover.

[0008] Therefore, it is necessary to improve and innovate this kind of product to adapt to the transportation and turnover of food. SUMMARY

[0009] The utility model discloses a food preservation box device which is convenient, effective and has high versatility, can be applied to food transportation and turnover, can improve the utilization efficiency of ozone gas, and can prolong the preservation time of food materials placed in the food preservation box.

[0010] The utility model discloses a food preservation box device which is convenient, effective and has high versatility, can be applied to food transportation and turnover, can improve the utilization efficiency of ozone gas, and can prolong the preservation time of food materials placed in the food preservation box.

[0011] A food preservation box device, comprising: a preservation box body, an ozone generation and circulation device and two check valve joints; the preservation box body is equipped with an air inlet and an air outlet, the ozone output end of the ozone generation and circulation device is connected to the air inlet through an air inlet connecting pipe, and the air outlet is connected to the gas inlet end of the ozone generation and circulation device through an air outlet connecting pipe; the two check valve joints comprise: an air inlet check valve joint and an air outlet check valve joint, which are respectively arranged at the air inlet and the air outlet, the air inlet connecting pipe is movably connected to the air inlet check valve joint, and the air outlet connecting pipe is movably connected to the air outlet check valve joint.

[0012] Each check valve joint comprises: a pipe joint body, the pipe joint body has a through hole, so that when the check valve joint is installed at the air inlet or the air outlet, the through hole realizes the connection between the inside and outside of the preservation box body, a hinge frame is arranged outside the pipe joint body, the hinge frame comprises a vertical part and a horizontal part, one end of the vertical part is fixed vertically on the outer surface of the pipe joint body, one end of the horizontal part is fixed at the other end of the vertical part, the other end of the horizontal part extends horizontally towards the inside of the preservation box body and is connected to a valve piece through a rotating shaft, and the vertical part and the valve piece are connected through a tension spring.

[0013] Under normal conditions, the valve piece completely covers the inner port of the through hole located inside the preservation box body and closes the inner port of the through hole under the action of the tension spring; when the air inlet connecting pipe moves in the air inlet check valve joint to the inside of the preservation box body and pushes the corresponding valve piece open, the valve piece will rotate around the corresponding rotating shaft, and at this time, the air inlet is opened; when the air outlet connecting pipe moves in the air outlet check valve joint to the inside of the preservation box body and pushes the corresponding valve piece open, the valve piece will rotate around the corresponding rotating shaft, and at this time, the air outlet is opened; when the air inlet and the air outlet are both opened, a gas circulation convection structure is formed.

[0014] When the operation is performed, the food to be preserved is firstly put into the fresh-keeping box body, at this time, the two valve pieces respectively located at the air inlet and the air outlet completely cover the inner ports of the through holes located inside the fresh-keeping box body and seal the inner ports of the through holes under the action of the corresponding pull spring to form a sealed environment; then the air inlet connecting pipeline is inserted into the air inlet check valve joint and pushes open the corresponding valve, and the air outlet connecting pipeline is inserted into the air outlet check valve joint and pushes open the corresponding valve, at this time, the gas circulation convection structure is formed; then the power supply and the device switches are started, and the ozone generation circulation device starts to work, at this time, the ozone gas enters the fresh-keeping box body through the check valve joint at the air inlet, and then the ozone gas diffuses to the surface of the food along the inner wall of the fresh-keeping box body, at the same time, due to the action of the negative pressure near the air outlet, the mixed gas of the original gas in the fresh-keeping box body and part of the newly entered ozone gas is sucked out of the fresh-keeping box body through the air outlet check valve joint and enters the ozone generation circulation device through the air outlet connecting pipeline, and the circulation is continued, until the ozone gas reaches the required concentration and stops working, the air inlet connecting pipeline and the air outlet connecting pipeline are pulled out or moved to make the valve pieces at the air inlet and the air outlet respectively reseal the air inlet and the air outlet, and the ozone gas in the fresh-keeping box body will not overflow. Then, the ozone gas in the fresh-keeping box body is reduced to oxygen by itself to achieve the fresh-keeping effect of the food.

[0015] The food fresh-keeping box device has the advantages that the ozone gas is circulated and convection in the fresh-keeping box, the ozone gas is fully contacted with the surface of the food, the fullness and effectiveness of the fresh-keeping are improved, and the food fresh-keeping box device is obviously different from other fresh-keeping methods of filling nitrogen gas and freezing and adding ozone gas; the main component of the food fresh-keeping box device is the fresh-keeping box, and the ozone circulation device is a tool, the sealing property of the fresh-keeping box can be realized during the ozone gas circulation and the subsequent ozone fresh-keeping operation, the fresh-keeping box device can be used indoors and outdoors, and therefore the fresh-keeping box device can be used for the fresh-keeping of food during transportation and turnover, especially for the fresh-keeping of fruits, vegetables, chicken, duck, fish and meat; the fresh-keeping box device is designed in the special structure of the check valve joint, the sealing property of the air inlet and the air outlet when being sealed is ensured, the fresh-keeping box device has the advantages of simple structure, convenient operation and good sealing property, and the working efficiency of the ozone gas in the fresh-keeping box body is ensured.

[0016] The concentration of the ozone gas required to be reached is generally in the range of 60mg-2000mg per cubic meter, and good preservation effect can be achieved. The specific concentration can be selected and implemented according to the type of the food to be preserved in the preservation box body according to the standard or experience, or the working time of the ozone generation and circulation device can be set according to the working efficiency of the ozone generation and circulation device, or the concentration detection device can be arranged in the preservation box body to accurately measure. In addition, in actual application, especially in the implementation of some small food preservation box devices, the ozone concentration can be adjusted according to the experience of the operator or by taking into account the economic situation. The selection and monitoring of the specific ozone concentration can be realized by using the existing technology, which is not the innovation of the utility model, and will not be described here.

[0017] The preservation box body comprises a box body and a box cover, the box body is a rigid box with an open upper part and capable of effectively bearing food, and the box cover cooperates with the upper opening of the box body to realize the sealing of the box body.

[0018] The air inlet and the air outlet are both arranged on the box body. Preferably, the air inlet is arranged at the lower part of one side surface of the box body, and the air outlet is arranged at the upper part of the other side surface of the box body, so that the ozone gas entering the preservation box body from the air inlet can fully contact the food in the preservation box body.

[0019] Further, the inner surface of the preservation box body is provided with a plurality of parallel rib grooves. These rib grooves can guide the ozone to diffuse inward to the surface of the food along the wall when the ozone enters the preservation box body, and the rib grooves can also improve the strength of the preservation box body.

[0020] The air outlet connecting pipe is inserted into or screw-connected to the check valve joint.

[0021] The air inlet connecting pipe is inserted into or screw-connected to the check valve joint.

[0022] The ozone generation and circulation device comprises an ozone generation device, a circulation gas pump and a plurality of connecting pipes. The air outlet end of the ozone generation device is connected to the air inlet end of the circulation gas pump through the connecting pipes. The air inlet end of the ozone generation device is movably connected to the air outlet check valve joint through the air outlet connecting pipe. The air outlet end of the circulation gas pump is movably connected to the air inlet check valve joint through the air inlet connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other advantages and characteristics of the utility model will be shown by the following embodiments of the utility model and the description of the drawings, which are given in the form of examples, but are not limited thereto, wherein:

[0024] Figure 1 It is a structure connection diagram of a preferred embodiment of the food preservation box device.

[0025] Figure 2 It is shown Figure 1 The structure diagram of the air inlet connecting pipeline inserting into the air inlet check valve joint of the embodiment shown in FIG. 4, the left part of the figure is the inside of the preservation box body.

[0026] Figure 3 It is shown Figure 1 The structure diagram of the air outlet connecting pipeline inserting into the air outlet check valve joint of the embodiment shown in FIG. 5, the right part of the figure is the inside of the preservation box body. DETAILED DESCRIPTION

[0027] As Figure 1 shown in FIG. 1, the food preservation box device comprises a preservation box body 10, an ozone generation and circulation device 20, an air inlet check valve joint 30 and an air outlet check valve joint 40.

[0028] The preservation box body 10 is composed of a box body 11 and a box cover 12 which can realize sealing by cooperating with each other. The box body 11 is a rigid box with an open upper part and can effectively bear food, and the box cover 12 cooperates with the upper opening of the box body 11 to realize the sealing of the box body 11. The inner surface of the whole preservation box body 10 is provided with a plurality of parallel rib grooves. An air inlet 13 is arranged at the lower part of one side surface of the box body 11, and an air outlet 14 is arranged at the upper part of the other side surface of the box body 11. The air inlet check valve joint 30 is arranged at the air inlet 13, and the air outlet check valve joint 40 is arranged at the air outlet 14. The check valve joints 30 and 40 can ensure the sealing performance of the air inlet 13 and the air outlet 14 when they are closed, so as to ensure the working efficiency of the ozone gas in the preservation box body 10. The air inlet check valve joint 30 and the air outlet check valve joint 40 have the same structure, which will be described in detail later. Figure 2

[0029] The ozone generation and circulation device 20 comprises an ozone generation device 21, a circulation gas pump 22 and a plurality of connecting pipelines. The air outlet end of the ozone generation device 21 is connected with the air inlet end of the circulation gas pump 22 through a connecting pipeline 230, the air inlet end of the ozone generation device 21 is movably connected with the air outlet check valve joint 40 through an air outlet connecting pipeline 234, and the air outlet end of the circulation gas pump 22 is movably connected with the air inlet check valve joint 30 through an air inlet connecting pipeline 233. The movably connected here can be that it can be disassembled, or it can be moved from the inside to the outside or from the outside to the inside along the central axis of the air inlet / outlet. For example, the way of sleeve insertion or the way of screw.

[0030] In combination Figure 2 ​As shown, the air inlet check valve section 30 includes: a pipe section body 31, the pipe section body 31 having a through hole 310, such that when the check valve section 30 is installed at the air inlet 13, the through hole 310 enables communication between the inside and outside of the refrigerator body 10; a right-angled hinge frame 32 is disposed on the outside of the pipe section body 31, the hinge frame 32 includes a vertical part 321 and a horizontal part 322, one end of the vertical part 321 is vertically fixed to the outer surface of the pipe section body 31, one end of the horizontal part 322 is fixed to the other end of the vertical part 321, the other end of the horizontal part 322 extends horizontally toward the inside of the refrigerator body 10 and is connected to a valve plate 33 through a rotating shaft 323, and the vertical part 321 and the valve plate 33 are connected by a tension spring 34. Under normal conditions, valve plate 33 completely covers the inner port of through hole 310 located inside the body 10 of the refrigerator and seals the inner port of through hole 310 under the action of tension spring 34, thus sealing the air inlet 13. When the air inlet connecting pipe 233 moves into the body 10 of the refrigerator within the air inlet check valve section 30 to push valve plate 33 open, valve plate 33 can rotate around rotating shaft 323, at which time air inlet 13 is opened.

[0031] Since the air inlet 13 and the air outlet 14 are respectively located on opposite sides (refer to...) Figure 1 As shown), therefore, the structure of the outlet check valve section 40 is symmetrical to that of the inlet check valve section 30. Combined with... Figure 3 As shown, the vent check valve section 40 includes: a pipe section body 41, the pipe section body 41 having a through hole 410, such that when the vent check valve section 40 is installed at the vent 14, the through hole 410 enables communication between the inside and outside of the refrigerator body 10; a right-angled hinge frame 42 is disposed on the outside of the pipe section body 41, the hinge frame 42 includes a vertical part 421 and a horizontal part 422, one end of the vertical part 421 is vertically fixed to the outer surface of the pipe section body 41, one end of the horizontal part 422 is fixed to the other end of the vertical part 421, the other end of the horizontal part 422 extends horizontally toward the inside of the refrigerator body 10 and is connected to a valve plate 43 through a rotating shaft 423, and the vertical part 421 and the valve plate 43 are connected by a tension spring 44. Under normal conditions, valve plate 43 completely covers the inner port of through hole 410 located inside the body 10 of the refrigerator and seals the inner port of through hole 410 under the action of tension spring 44, thus sealing the air outlet 14. When the air outlet connecting pipe 234 moves into the body 10 of the refrigerator within the air outlet check valve section 40 to push valve plate 43 open, valve plate 43 can rotate around the rotating shaft 423, at which time the air outlet 14 is opened.

[0032] When both the air inlet 13 and the air outlet 14 are opened, a gas circulation convection structure is formed.

[0033] When the operation is performed, the food 50 to be preserved is put into the box body 11, the box cover 12 is covered, then the air inlet connecting pipe 233 is inserted into the air inlet check valve joint 30, the air outlet connecting pipe 234 is inserted into the air outlet check valve joint 40, the ozone generating device 21 is started, and the circulating air pump 22 starts to work. At this time, the ozone gas enters the preservation box main body 10 through the air inlet check valve joint 30 from the air inlet 13, and the ozone gas diffuses to the surface of the food 50 along the rib grooves of the four walls and the bottom and the top. Near the air outlet 14, the mixed gas of the original gas in the preservation box main body 10 and the ozone gas mixed with part of the newly entered ozone gas is sucked out of the preservation box main body 10 from the air outlet check valve joint 40 and enters the ozone generating device 21 through the air outlet connecting pipe 234, and the circulation is continued. Until the ozone gas reaches the required concentration and stops working, the air inlet connecting pipe 233 and the air outlet connecting pipe 234 are removed or moved, so that the valve pieces 33 and 43 of the air inlet 13 and the air outlet 14 respectively close the air inlet 13 and the air outlet 14, the ozone gas in the preservation box main body is reduced to oxygen by itself, and the preservation effect of the food is achieved. The concentration required by the ozone gas can reach 60mg-2000mg per cubic meter, which can achieve good preservation effect.

[0034] Although the utility model has been described in the above according to the preferred embodiment, this does not mean that the range of the utility model is only limited to the structure described above, and the equivalent alternative structure developed by the person skilled in the art after reading the above description can be easily developed, and the equivalent changes and modifications made without departing from the spirit and scope of the utility model are all covered in the patent range of the utility model.

Claims

1. A food preservation container device comprising: The ozone generation circulating device is characterized in that: The two check valve joints comprise an air inlet check valve joint and an air outlet check valve joint, which are arranged at the air inlet and the air outlet respectively, the air inlet connecting pipe is movably connected to the air inlet check valve joint, and the air outlet connecting pipe is movably connected to the air outlet check valve joint. Each check valve joint comprises a pipe joint body having a through hole, so that the through hole realizes the communication between the inside and outside of the fresh-keeping box body when the check valve joint is installed at the air inlet or the air outlet, a hinge frame is arranged outside the pipe joint body, the hinge frame comprises a vertical part and a horizontal part, one end of the vertical part is fixed vertically on the outer surface of the pipe joint body, one end of the horizontal part is fixed at the other end of the vertical part, the other end of the horizontal part extends horizontally towards the inside of the fresh-keeping box body and is connected with a valve piece through a rotating shaft, and the vertical part and the valve piece are connected through a tension spring. In normal state, the valve piece completely covers the inner port of the through hole located inside the fresh-keeping box body and seals the inner port of the through hole under the action of the tension spring. When the air inlet connecting pipe moves inside the air inlet check valve joint to the inside of the fresh-keeping box body to push the corresponding valve piece open, the valve piece rotates around the corresponding rotating shaft, and at this time, the air inlet is opened. When the air outlet connecting pipe moves inside the air outlet check valve joint to the inside of the fresh-keeping box body to push the corresponding valve piece open, the valve piece rotates around the corresponding rotating shaft, and at this time, the air outlet is opened. When the air inlet and the air outlet are both opened, a gas circulation convection structure is formed. The fresh-keeping box body comprises a box body and a box cover, the box body is a rigid box with an open upper part and capable of effectively bearing food, and the box cover cooperates with the upper open part of the box body to realize the sealing of the box body.

2. The food preservation box apparatus according to claim 1, characterized by: The air inlet and the air outlet are arranged on the box body.

3. The food preservation case apparatus of claim 2, wherein: The air inlet is arranged at the lower part of one side surface of the box body, and the air outlet is arranged at the upper part of the other side surface of the box body.

4. The food preservation case apparatus of claim 3, wherein: The inner surface of the fresh-keeping box body is provided with a plurality of parallel rib grooves.

5. The food preservation case apparatus of claim 1, wherein: The air outlet connecting pipe is inserted or screwed into the check valve joint.

6. The food preservation box apparatus of claim 1, wherein: The air inlet connecting pipe is inserted or screwed into the check valve joint.

7. The food preservation box apparatus of claim 1, wherein: ​ 8. The food preservation box apparatus of claim 1, wherein: The ozone generation circulating device comprises an ozone generation device, a circulating air pump and several connecting pipes, the air outlet end of the ozone generation device is connected with the air inlet end of the circulating air pump through the connecting pipes, the air inlet end of the ozone generation device is movably connected to the air outlet check valve joint through the air outlet connecting pipe, and the air outlet end of the circulating air pump is movably connected to the air inlet check valve joint through the air inlet connecting pipe.

Images