Intelligent fresh-keeping bin structure for refrigerator

By introducing a pressure sensor and an elastic extrusion structure into the vacuum fresh-keeping compartment of the refrigerator, the problem of poor sealing between the cover and the fresh-keeping compartment is solved, a better sealing effect is achieved, and the stability of the vacuum environment is ensured.

CN223319335UActive Publication Date: 2025-09-09JIANGSU SHENHUA ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422401062.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-09-09
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The sealing performance between the cover plate and the vacuum fresh-keeping bin of the existing refrigerator is poor, which affects the maintenance effect of the vacuum environment.

Method used

A pressure sensor, a vacuum pump, an exhaust nozzle and an elastic extrusion structure are used. The pressure value is monitored by the pressure sensor and the vacuum pump is controlled to exhaust air. The elastic extrusion structure is combined to improve the sealing between the cover and the fresh-keeping bin.

Benefits of technology

The cover is pressed downward after being closed, thereby improving the sealing between the cover and the fresh-keeping bin and ensuring the stability of the vacuum environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The intelligent fresh-keeping bin structure comprises a fresh-keeping bin, a cover plate is arranged on the upper portion of the fresh-keeping bin, a handle is fixedly installed at the upper end of the upper portion of the outer surface of the front end of the fresh-keeping bin, and a pressure sensor is fixedly installed on one side of the outer surface of the front end of the fresh-keeping bin. A probe of the pressure sensor extends into the fresh-keeping bin, a vacuum pump is fixedly installed in the middle of the outer surface of the rear end of the fresh-keeping bin, one end of the vacuum pump is fixedly connected with an air exhaust nozzle, and one end of the air exhaust nozzle extends into the rear end of an inner cavity of the fresh-keeping bin. According to the intelligent fresh-keeping bin structure for the refrigerator, a vacuum environment is conveniently manufactured in the fresh-keeping bin through the air exhaust nozzle, the vacuum pump and the pressure sensor, downward pressure is conveniently applied to the cover plate after the cover plate is closed through the elastic extrusion structure, and the sealing performance between the cover plate and the fresh-keeping bin is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, in particular to an intelligent fresh-keeping bin structure for refrigerators. Background Art

[0002] The main function of the refrigerator vacuum storage compartment is to slow down the natural decay process of food by creating a low-pressure environment, so as to extend the shelf life of food.

[0003] The vacuum fresh-keeping bin in the prior art is provided with a cover plate. However, when in use, the cover plate and the fresh-keeping bin are sealed by the gravity of the cover plate itself. Therefore, the sealing performance between the cover plate and the fresh-keeping bin is poor.

[0004] To this end, we propose an intelligent fresh-keeping compartment structure for refrigerators. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the utility model provides an intelligent fresh-keeping bin structure for a refrigerator, which has the advantages of applying downward pressure on the cover after it is closed, improving the sealing between the cover and the fresh-keeping bin, etc., and can effectively solve the problems in the background technology.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: an intelligent fresh-keeping bin structure for a refrigerator, comprising a fresh-keeping bin, a cover plate being provided on the upper portion of the fresh-keeping bin, a handle being fixedly mounted on the upper end of the upper portion of the front outer surface of the fresh-keeping bin, a pressure sensor being fixedly mounted on one side of the front outer surface of the fresh-keeping bin, a probe of the pressure sensor being extended into the interior of the fresh-keeping bin, a vacuum pump being fixedly mounted on the middle portion of the rear outer surface of the fresh-keeping bin, one end of the vacuum pump being fixedly connected to an exhaust nozzle, and one end of the exhaust nozzle being fixedly mounted on the front outer surface of the fresh-keeping bin. The rear end of the fresh-keeping bin extends into the inner cavity of the fresh-keeping bin, and L-shaped limit rods are fixedly installed on the left and right sides of the upper outer surface of the fresh-keeping bin. The number of the L-shaped limit rods is two groups, and the cover plate is slidably connected between the lower end outer surface of the two groups of L-shaped limit rods and the upper outer surface of the fresh-keeping bin. The four corners of the upper outer surface of the cover plate are provided with an elastic extrusion structure, and the elastic extrusion structure includes a mounting hole, a compression spring and a ball bearing. The rear end of the inner wall of the L-shaped limit rod is provided with a first sliding groove, and the middle part of the inner wall of the L-shaped limit rod is provided with a second sliding groove.

[0009] Preferably, protective columns are fixedly installed on the four corners of the outer surface of the rear end of the fresh-keeping bin.

[0010] Preferably, the mounting holes are opened at the four corners of the upper outer surface of the cover plate, the compression spring is located in the mounting hole, the lower outer surface of the compression spring is fixedly connected to the bottom of the mounting hole, and the upper outer surface of the compression spring is fixedly connected to the lower outer surface of the ball.

[0011] Preferably, the outer wall of the ball is slidably connected to the mounting hole, and the outer surface of the lower end of the ball is elastically connected to the bottom of the mounting hole via a compression spring.

[0012] Preferably, the outer wall of the ball is in sliding connection with the first sliding groove and the second sliding groove.

[0013] Preferably, a pinch block is fixedly installed on the middle part of the front end of the outer surface of the upper end of the cover plate.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides an intelligent fresh-keeping bin structure for refrigerators, which has the following beneficial effects:

[0016] 1. This intelligent fresh-keeping bin structure for a refrigerator is convenient for creating a vacuum environment inside the fresh-keeping bin by providing an exhaust nozzle, a vacuum pump and a pressure sensor.

[0017] 2. The intelligent fresh-keeping bin structure for the refrigerator is provided with an elastic extrusion structure, which facilitates the downward pressure on the cover after the cover is closed, thereby improving the sealing between the cover and the fresh-keeping bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an intelligent fresh-keeping bin structure for a refrigerator according to the present invention.

[0019] Figure 2 This is a partial structural diagram of an intelligent fresh-keeping bin structure for a refrigerator according to the present invention.

[0020] Figure 3 This utility model is an intelligent fresh-keeping warehouse structure for refrigerators Figure 2 Schematic diagram of the backend structure.

[0021] Figure 4 This is a side sectional view of an L-shaped limiting rod in an intelligent fresh-keeping bin structure for a refrigerator according to the present invention.

[0022] Figure 5 This is a side sectional view of a cover plate and an elastic extrusion structure in an intelligent fresh-keeping bin structure for a refrigerator according to the present invention.

[0023] In the figure: 1. Fresh-keeping compartment; 2. Handle; 3. Pressure sensor; 4. Cover; 5. L-shaped limit rod; 6. Pinch block; 7. Elastic extrusion structure; 8. Vacuum nozzle; 9. Vacuum pump; 10. Protective column; 11. First slide; 12. Second slide; 13. Mounting hole; 14. Compression spring; 15. Ball bearing. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] This embodiment is an intelligent fresh-keeping bin structure for a refrigerator.

[0026] like Figure 1-5 As shown, it includes a fresh-keeping bin 1, a cover plate 4 is provided on the upper part of the fresh-keeping bin 1, a handle 2 is fixedly installed on the upper end of the upper part of the front outer surface of the fresh-keeping bin 1, a pressure sensor 3 is fixedly installed on one side of the front outer surface of the fresh-keeping bin 1, and the probe of the pressure sensor 3 extends into the interior of the fresh-keeping bin 1, a vacuum pump 9 is fixedly installed in the middle of the rear outer surface of the fresh-keeping bin 1, one end of the vacuum pump 9 is fixedly connected to an exhaust nozzle 8, and one end of the exhaust nozzle 8 extends into the rear end of the inner cavity of the fresh-keeping bin 1, and the upper outer surface of the fresh-keeping bin 1 L-shaped limit rods 5 are fixedly installed on the left and right sides of the surface. There are two groups of L-shaped limit rods 5. The cover plate 4 is slidably connected between the lower end outer surface of the two groups of L-shaped limit rods 5 and the upper end outer surface of the fresh-keeping bin 1. The four corners of the upper end outer surface of the cover plate 4 are provided with elastic extrusion structures 7. The elastic extrusion structure 7 includes a mounting hole 13, a compression spring 14 and a ball 15. A first slide groove 11 is provided at the rear end of the inner wall of the L-shaped limit rod 5, and a second slide groove 12 is provided in the middle of the inner wall of the L-shaped limit rod 5.

[0027] Protective columns 10 are fixedly installed at the four corners of the outer surface of the rear end of the fresh-keeping bin 1; mounting holes 13 are opened at the four corners of the outer surface of the upper end of the cover plate 4, and the compression spring 14 is located in the mounting hole 13, and the lower end outer surface of the compression spring 14 is fixedly connected to the bottom of the mounting hole 13, and the upper end outer surface of the compression spring 14 is fixedly connected to the lower end outer surface of the ball 15; the outer wall of the ball 15 is slidably connected to the mounting hole 13, and the lower end outer surface of the ball 15 is elastically connected to the bottom of the mounting hole 13 through the compression spring 14; the outer wall of the ball 15 is slidably connected to the first slide groove 11 and the second slide groove 12; a pinch block 6 is fixedly installed in the middle of the front end of the outer surface of the upper end of the cover plate 4.

[0028] It should be noted that the present invention is an intelligent fresh-keeping bin structure for refrigerators, as shown in the attached manual. Figure 1As shown, at this time, the ball 15 located in the elastic extrusion structure 7 on the front end of the outer surface of the upper end of the cover plate 4 is located in the second slide groove 12, and the compression spring 14 is not squeezed at this time, the ball 15 slides along the second slide groove 12, and the top of the fresh-keeping bin 1 is in an open state. The food to be kept fresh is placed inside the fresh-keeping bin 1, and then the cover plate 4 is closed. The ball 15 located in the elastic extrusion structure 7 on the front end of the outer surface of the upper end of the cover plate 4 slides along the second slide groove 12, and the ball 15 located in the elastic extrusion structure 7 on the rear end of the outer surface of the upper end of the cover plate 4 slides along the first slide groove 11 Slide, when the ball 15 moves out of the first slide groove 11 and the second slide groove 12 and is squeezed by the L-shaped limit rod 5, the ball 15 squeezes the compression spring 14 along the mounting hole 13, and the cover 4 is closed at this time. The reaction force of the compression spring 14 applies a downward force to the cover 4 to improve the sealing between the cover 4 and the fresh-keeping bin 1. The vacuum pump 9 and the pressure sensor 3 are both connected to an external controller. The interior of the fresh-keeping bin 1 is evacuated by the vacuum pump 9, and the value of the internal pressure of the fresh-keeping bin 1 is monitored by the pressure sensor 3. When the threshold is reached, the air extraction is stopped for easy use.

[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0030] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. An intelligent fresh-keeping bin structure for a refrigerator, comprising a fresh-keeping bin (1), wherein a cover plate (4) is provided on the upper portion of the fresh-keeping bin (1), and characterized in that: A handle (2) is fixedly mounted on the upper end of the front outer surface of the fresh-keeping bin (1), a pressure sensor (3) is fixedly mounted on one side of the front outer surface of the fresh-keeping bin (1), and the probe of the pressure sensor (3) extends into the interior of the fresh-keeping bin (1), a vacuum pump (9) is fixedly mounted on the middle of the rear outer surface of the fresh-keeping bin (1), one end of the vacuum pump (9) is fixedly connected to an air extraction nozzle (8), and one end of the air extraction nozzle (8) extends into the rear end of the inner cavity of the fresh-keeping bin (1), and L-shaped air pumps are fixedly mounted on the left and right sides of the upper outer surface of the fresh-keeping bin (1). Limiting rods (5), the number of the L-shaped limiting rods (5) is two groups, the cover plate (4) is slidably connected between the lower end outer surface of the two groups of the L-shaped limiting rods (5) and the upper end outer surface of the fresh-keeping bin (1), the four corners of the upper end outer surface of the cover plate (4) are provided with elastic extrusion structures (7), the elastic extrusion structure (7) includes a mounting hole (13), a compression spring (14) and a ball (15), the rear end of the inner wall of the L-shaped limiting rod (5) is provided with a first sliding groove (11), and the middle part of the inner wall of the L-shaped limiting rod (5) is provided with a second sliding groove (12).

2. The intelligent fresh-keeping bin structure for a refrigerator according to claim 1, characterized in that: Protective columns (10) are fixedly mounted on the four corners of the rear end outer surface of the fresh-keeping bin (1).

3. The intelligent fresh-keeping bin structure for a refrigerator according to claim 2, characterized in that: The mounting holes (13) are formed at four corners of the outer surface of the upper end of the cover plate (4); the compression spring (14) is located in the mounting hole (13); the lower outer surface of the compression spring (14) is fixedly connected to the bottom of the mounting hole (13); and the upper outer surface of the compression spring (14) is fixedly connected to the lower outer surface of the ball (15).

4. The intelligent fresh-keeping bin structure for a refrigerator according to claim 3, characterized in that: The outer wall of the ball (15) is slidably connected to the mounting hole (13), and the outer surface of the lower end of the ball (15) is elastically connected to the bottom of the mounting hole (13) via a compression spring (14).

5. The intelligent fresh-keeping bin structure for a refrigerator according to claim 4, characterized in that: The outer wall of the ball (15) is in sliding connection with the first slide groove (11) and the second slide groove (12).

6. The intelligent fresh-keeping bin structure for a refrigerator according to claim 5, characterized in that: A pinching block (6) is fixedly mounted on the middle portion of the front end of the outer surface of the upper end of the cover plate (4).