Plastic preservation box

By introducing an air extraction mechanism into the plastic food storage container, the problem of the traditional plastic food storage container's single function is solved, and the effects of extending the food's shelf life and maintaining its freshness are achieved.

CN223804123UActive Publication Date: 2026-01-16HUBEI FEIXUN PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520198439.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-16
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Traditional plastic food storage containers have a simple structure and limited function, resulting in a limited storage time for food, especially for foods that are prone to oxidation, where their preservation effect is poor.

Method used

A plastic food storage container with a vacuum mechanism has been designed, including a first air nozzle, an air cylinder, a piston, and a pull rod. By creating a vacuum, the oxygen content inside the container is reduced, inhibiting the growth and reproduction of aerobic microorganisms and extending the food's shelf life.

Benefits of technology

Vacuuming reduces oxygen content, inhibits the growth of aerobic microorganisms, significantly extends the shelf life of food, and maintains the freshness and nutritional content of the food.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic preservation box, which relates to the technical field of plastic preservation boxes, and has the technical key points that the plastic preservation box comprises a preservation box body and a preservation box cover, the lower end of the preservation box cover is provided with a plurality of buckle plates, and the preservation box cover is provided with an air extracting mechanism for extracting air in the preservation box body. The fresh-keeping box comprises a fresh-keeping box cover, an air exhaust mechanism is arranged on the fresh-keeping box cover, the air exhaust mechanism comprises a first air nozzle arranged on the fresh-keeping box cover, an air cylinder is arranged in the first air nozzle, a piston is arranged in the air cylinder, a pull rod is arranged on the piston, and a second air nozzle is arranged on the side wall of the air cylinder. The growth and reproduction of aerobic microorganisms are inhibited, and the oxidation speed of the food materials is reduced, so that the fresh-keeping time of the food materials is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plastic fresh -keeping box technical field, especially plastic fresh -keeping box. BACKGROUND

[0002] Plastic fresh -keeping box is the container made of food grade plastic raw materials, is used for food preservation, packing and heating etc.

[0003] Traditional plastic fresh -keeping box includes box body and box cover, simple structure, single function, when the fresh -keeping box is loaded with a small amount of food, there is a large amount of air in the fresh -keeping box, for some easy oxidation metamorphic food material, such as meat, fruit, vegetable etc., when the fresh -keeping box is stored for a long time, the food material metamorphic speed is also fast, along with the improvement of people's living standards and the attention to food safety, preservation, the consumer's demand for the fresh -keeping product that can effectively prolong the fresh -keeping time of food material is increasing, in order to solve the above problems, we propose this plastic fresh -keeping box. UTILITY MODEL CONTENTS

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides plastic fresh -keeping box, solves the problems, such as the simple structure of traditional plastic fresh -keeping box, single function, the limited time length of storage food material.

[0006] (II) technical scheme

[0007] In order to realize the above purpose, the utility model adopts the following technical scheme: plastic fresh -keeping box, including: fresh -keeping box body and fresh -keeping box cover, the lower end of the fresh -keeping box cover is equipped with a plurality of buckle plates, the fresh -keeping box cover is equipped with the air extraction mechanism for extracting the air in the fresh -keeping box body, the air extraction mechanism includes the first air nozzle arranged on the fresh -keeping box cover, the first air nozzle is equipped with the air cylinder, the air cylinder is equipped with the piston, the piston is equipped with the pull rod, the side wall of the air cylinder is equipped with the second air nozzle, the fresh -keeping box cover is equipped with the sealing mechanism for sealing the first air nozzle.

[0008] Preferably, the sealing mechanism includes the fixed cylinder arranged on the fresh -keeping box cover, and the fixed cylinder is equipped with the sealing cover matched with the first air nozzle.

[0009] Preferably, the first air nozzle and the air cylinder are threadedly connected, and the fixed cylinder and the sealing cover are threadedly connected.

[0010] Preferably, the upper end of the fresh -keeping box cover is equipped with a plurality of first mounting blocks, and the first mounting block is L-shaped in cross section.

[0011] Preferably, the lower end of the box body of the preservation box is provided with a plurality of second mounting blocks capable of cooperating with the first mounting blocks, and the second mounting blocks are also L-shaped in cross section.

[0012] Preferably, the side wall of the air cylinder is fixedly connected with a placing block, and the upper end of the pull rod is fixedly connected with a pull ring.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a preservation box with an air extraction mechanism, which can reduce the oxygen content in the preservation box, inhibit the growth and reproduction of aerobic microorganisms, reduce the oxidation speed of food materials, and prolong the preservation time of food materials. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The structure diagram of the plastic preservation box provided by the utility model is shown in the figure.

[0017] Fig. 2 The side view of the plastic preservation box provided by the utility model is shown in the figure.

[0018] Fig. 3 The other side view of the plastic preservation box provided by the utility model is shown in the figure.

[0019] In the figure: 1 is a preservation box body, 2 is a preservation box cover, 3 is a first air nozzle, 4 is an air cylinder, 5 is a piston, 6 is a pull rod, 7 is a second air nozzle, 8 is a fixed cylinder, 9 is a sealing cover, 10 is a buckle plate, 11 is a first mounting block, 12 is a placing block, and 13 is a second mounting block. DETAILED DESCRIPTION

[0020] In the utility model, the directions such as "up, down" are usually relative to the directions shown in the drawings or the vertical, perpendicular or gravity directions unless otherwise stated; similarly, for the convenience of understanding and description, "left, right" is usually relative to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component, but the above direction words are not used to limit the utility model.

[0021] The utility model provides a technical scheme that:

[0022] Please refer to Figs. 1-3The plastic preservation box comprises a preservation box body 1 and a preservation box cover 2, the lower end of the preservation box cover 2 is provided with a plurality of buckle plates 10, the preservation box cover 2 is provided with an air extraction mechanism for extracting air in the preservation box body 1, the air extraction mechanism comprises a first air nozzle 3 arranged on the preservation box cover 2, the first air nozzle 3 is provided with an air cylinder 4, the air cylinder 4 is provided with a piston 5, the piston 5 is provided with a pull rod 6, the side wall of the air cylinder 4 is provided with a second air nozzle 7, the first air nozzle 3 and the second air nozzle 7 are made of plastic or rubber and the like, the structure can be similar to the air nozzle on the quilt air extraction storage bag on the market, and a one-way valve structure is arranged in the inside, the first air nozzle 3 only allows air to be discharged from the preservation box to the outside, and air is prevented from flowing into the preservation box in the reverse direction, and the second air nozzle 7 only allows air to be discharged from the air cylinder 4 to the outside, and air is prevented from flowing into the air cylinder 4 in the reverse direction.

[0023] The preservation box cover 2 is provided with a sealing mechanism for sealing the first air nozzle 3, the sealing mechanism comprises a fixed cylinder 8 arranged on the preservation box cover 2, and the fixed cylinder 8 is provided with a sealing cover 9 capable of cooperating with the first air nozzle 3.

[0024] Further, the first air nozzle 3 and the air cylinder 4 are threadedly connected, the fixed cylinder 8 and the sealing cover 9 are threadedly connected, and the sealing cover 9 is prevented from being lost.

[0025] Further, the upper end of the preservation box cover 2 is provided with a plurality of first mounting blocks 11, the first mounting blocks 11 are L-shaped in cross section, the first air nozzle 3 will not directly contact the table top when the preservation box cover 2 is inverted, and the first air nozzle 3 is prevented from being contaminated.

[0026] Further, the lower end of the preservation box body 1 is provided with a plurality of second mounting blocks 13 capable of cooperating with the first mounting blocks 11, the second mounting blocks 13 are also L-shaped in cross section, and two preservation boxes stacked one above another cannot be randomly slid because the second mounting blocks 13 of the upper preservation box are constrained in the first mounting blocks 11 of the lower preservation box.

[0027] Further, the side wall of the air cylinder 4 is fixedly connected with a placing block 12, the placing block 12 will not randomly roll when being placed horizontally, the upper end of the pull rod 6 is fixedly connected with a pull ring, and the pull rod 6 is conveniently pulled.

[0028] In the initial state, the air cylinder 4 is separated from the first air nozzle 3, and the sealing cover 9 covers the first air nozzle 3.

[0029] When used, the working principle of the utility model is as follows:

[0030] The user turns up the plurality of buckle plates 10 under the preservation box cover 2, puts the food or food material into the preservation box body 1, covers the preservation box cover 2 and buckles the buckle plates 10, takes off the sealing cover 9, screws the air cylinder 4 into the first air nozzle 3, pulls the pull rod 6 upward, the air in the preservation box body 1 is sucked into the air cylinder 4, pushes the pull rod 6 downward, the piston 5 pushes the air downward, the air is discharged from the second air nozzle 7, the air in the preservation box is discharged through repeated up and down for many times, the vacuumization can really reduce the oxygen content in the preservation box, inhibits the growth and reproduction of aerobic microorganisms, reduces the oxidation speed of the food material, thereby prolongs the preservation time of the food material, better maintains the freshness, taste and nutrient components of the food material, and the vacuum preservation effect is more obvious for some food materials which are easy to oxidize and deteriorate, such as meat, fruits, vegetables and the like.

[0031] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is included in the protection scope of the present application.

Claims

1. A plastic crisper comprising: The fresh-keeping box body (1) and the fresh-keeping box cover (2) are characterized in that: the lower end of the fresh-keeping box cover (2) is provided with a plurality of buckle plates (10), the fresh-keeping box cover (2) is provided with an air extraction mechanism for extracting air in the fresh-keeping box body (1), the air extraction mechanism comprises a first air nozzle (3) arranged on the fresh-keeping box cover (2), the first air nozzle (3) is provided with an air cylinder (4) arranged therein, the air cylinder (4) is provided with a piston (5) arranged therein, the piston (5) is provided with a pull rod (6), the side wall of the air cylinder (4) is provided with a second air nozzle (7), and the fresh-keeping box cover (2) is provided with a sealing mechanism for sealing the first air nozzle (3).

2. The plastic crisper according to claim 1, wherein: The sealing mechanism comprises a fixed cylinder (8) arranged on the fresh-keeping box cover (2), and the fixed cylinder (8) is provided with a sealing cover (9) capable of cooperating with the first air nozzle (3).

3. The plastic crisper according to claim 2, wherein: The first air nozzle (3) is in threaded connection with the air cylinder (4), and the fixed cylinder (8) is in threaded connection with the sealing cover (9).

4. The plastic crisper according to claim 3, wherein: The upper end of the fresh-keeping box cover (2) is provided with a plurality of first mounting blocks (11), and the cross section of the first mounting block (11) is L-shaped.

5. The plastic crisper according to claim 4, wherein: The lower end of the fresh-keeping box body (1) is provided with a plurality of second mounting blocks (13) capable of cooperating with the first mounting blocks (11), and the cross section of the second mounting block (13) is also L-shaped.

6. The plastic crisper of claim 1, wherein: The side wall of the air cylinder (4) is fixedly connected with a placing block (12), and the upper end of the pull rod (6) is fixedly connected with a pull ring.