Negative-pressure fresh-keeping module and low-temperature fresh-keeping equipment

Abstract

The invention discloses a negative pressure fresh-keeping module and low-temperature fresh-keeping equipment, the negative pressure fresh-keeping module comprises a vacuum module, a first mounting seat and a second mounting seat, the vacuum module is provided with a negative pressure cavity, the first mounting seat and the second mounting seat are connected to the two sides of the vacuum module in the left-right direction respectively, and the first mounting seat and the second mounting seat are arranged in the negative pressure cavity. And the first mounting seat and the second mounting seat are used for positioning the negative-pressure fresh-keeping module. According to the negative pressure fresh-keeping module, stable installation and positioning of the vacuum module can be achieved through the first installation base and the second installation base, and by means of the modular design of the negative pressure fresh-keeping module, the structure and assembly of equipment with the negative pressure fresh-keeping module can be simplified.

Description

Technical Field

[0001] This invention relates to the field of food preservation technology, and particularly to a negative pressure preservation module and a low-temperature preservation device. Background Technology

[0002] Vacuum preservation involves placing food or fruits and vegetables in a sealed container and then evacuating the container to a near-vacuum state. This significantly reduces the air or oxygen content inside the container, greatly inhibiting the growth of microorganisms that cause spoilage and significantly reducing the amount of volatile ripening gases inside the food or vegetables or in the storage container, thus preserving the food or fruits and vegetables. Vacuum preservation refrigerators are the application of vacuum preservation technology in refrigerators.

[0003] The relevant technology mainly involves setting up sealed drawers inside the refrigerator and using a small vacuum pump placed outside the drawer to create a vacuum, maintaining a negative pressure state and thus preserving the food inside. However, this preservation method has limitations: because vacuuming requires devices such as vacuum pumps, the vacuuming device occupies part of the internal space of the refrigerator compartment, reducing the storage space inside the refrigerator and affecting the user experience. Summary of the Invention

[0004] One object of the present invention is to provide a negative pressure preservation module and a low-temperature preservation device.

[0005] According to an embodiment of the present invention, a negative pressure preservation module includes a vacuum module, a first mounting base, and a second mounting base. The vacuum module has a negative pressure chamber. The first mounting base and the second mounting base are respectively connected to both sides of the vacuum module in the left-right direction. The first mounting base and the second mounting base are used to position the negative pressure preservation module.

[0006] According to the embodiments of the present invention, the negative pressure preservation module can achieve stable installation and positioning of the vacuum module using the first mounting base and the second mounting base. The modular design of the negative pressure preservation module can simplify the equipment structure and assembly of the device having the negative pressure preservation module.

[0007] In addition, the negative pressure preservation module according to the above embodiments of the present invention may also have the following additional technical features:

[0008] In some embodiments, the first mounting base includes at least one positioning claw, the positioning claw having a positioning notch with a rear opening.

[0009] In some embodiments, the positioning claw includes a first positioning part and a second positioning part, the first positioning part and the second positioning part are distributed in the vertical direction, and the positioning notch is provided between the first positioning part and the second positioning part.

[0010] In some embodiments, the rear opening of the positioning notch is configured as a flared shape that widens in the front-to-back direction.

[0011] In some embodiments, the at least one positioning claw includes a first positioning claw, a second positioning claw, and a third positioning claw, wherein the first positioning claw, the second positioning claw, and the third positioning claw are arranged in a triangular pattern.

[0012] In some embodiments, the second mounting base is provided with a first overlapping portion, and the vacuum module is provided with a second overlapping portion, the second overlapping portion overlapping the first overlapping portion.

[0013] In some embodiments, the negative pressure preservation module includes a first fixing member, which extends through the second mounting base and fixes it to the vacuum module in a left-right direction.

[0014] In some embodiments, the second mounting base includes:

[0015] Base;

[0016] A slider, which is slidably disposed on the base in the front-to-back direction;

[0017] The main body is connected to the vacuum module, and the front of the main body is supported by the slider, which is configured to move in the front-rear direction to adjust the height of the front end of the main body.

[0018] In some embodiments, the negative pressure preservation module further includes a second fixing member, which passes through and fixes the base and the main body in a vertical direction, and is located behind the slider.

[0019] In some embodiments, the main body is provided with a first guide slope, the slider is provided with a second guide slope, the first guide slope is supported on the second guide slope, and at least one of the first guide slope and the second guide slope is configured to be inclined downward in a front-to-back direction.

[0020] In some embodiments, the second mounting base further includes an adjusting bolt disposed on the base and extending in a front-rear direction. The adjusting bolt is stationary relative to the base in the front-rear direction and is rotatably disposed on the base. The adjusting bolt is threadedly connected to the slider.

[0021] In some embodiments, the main body extends in a front-to-back direction, a support portion is provided at the rear of the main body, the support portion extends in a vertical direction, and a hook portion extending rearward is provided at the lower end of the support portion.

[0022] In some embodiments, the vacuum module includes a barrel and a drawer, the negative pressure chamber is disposed in the barrel, and the front of the barrel has an opening communicating with the negative pressure chamber. The drawer is movably disposed through the negative pressure chamber in the front-back direction and is used to open and close the opening.

[0023] In some embodiments, the vacuum module is provided with an air extraction port for connecting to an air extraction device, the air extraction port being connected to the negative pressure chamber.

[0024] In some embodiments, the negative pressure preservation module further includes an air extraction component connected to the negative pressure chamber.

[0025] The low-temperature preservation device according to an embodiment of the present invention includes:

[0026] The machine body, which is equipped with a refrigeration compartment;

[0027] A refrigeration device is used to refrigerate the refrigerated room;

[0028] The aforementioned negative pressure preservation module is located in the refrigeration chamber, and the first mounting base and the second mounting base are connected to the machine body.

[0029] In some embodiments, the side wall of the refrigeration compartment is provided with a mounting portion, and the first mounting base is connected to the mounting portion.

[0030] In some embodiments, the mounting portion includes a positioning hook, and the first mounting base includes at least one positioning claw. The positioning claw has a positioning notch with a rear opening. The positioning hook slides into the positioning claw along the positioning notch and engages with the positioning claw.

[0031] In some embodiments, the mounting portion further includes a baffle and a connecting portion, a first end of the connecting portion is connected to the baffle, a second end of the connecting portion is provided with at least two limiting portions distributed circumferentially along the connecting portion, and the side wall of the refrigeration chamber is provided with a mounting hole, the shape of which is the same as the shape of the second end of the connecting portion.

[0032] In some embodiments, the mounting portion further includes a rotating handle located on the outer side wall of the refrigeration compartment and configured to drive the mounting portion to rotate.

[0033] In some embodiments, the first mounting base further includes a first slide rail, and the side wall of the refrigeration compartment is provided with a second slide rail. The first slide rail and the second slide rail extend in the front-rear direction and connect with each other in the front-rear direction. The rear part of the first slide rail is provided with a T-shaped slide groove with a rear end opening, and the front part of the second slide rail is provided with a T-shaped slide rail. The T-shaped slide rail passes through the T-shaped slide groove in the front-rear direction.

[0034] In some embodiments, the first mounting base further includes an elastic buckle, and the inner surface of the side wall of the refrigeration compartment is provided with a first slot, the elastic buckle being engaged with the first slot.

[0035] In some embodiments, the rear of the second mounting base is provided with a support portion, the lower end of the support portion is provided with a hook portion extending rearward, and the bottom surface of the refrigeration compartment is provided with a second slot, the hook portion engaging with the second slot portion.

[0036] In some embodiments, the second mounting base separates a storage cavity within the refrigeration chamber, and the second mounting base separates the storage cavity from the vacuum module.

[0037] In some embodiments, the bottom wall of the refrigeration chamber is provided with a positioning groove, and the bottom surface of the second mounting base is provided with a positioning protrusion, the positioning protrusion being located in the positioning groove. Attached Figure Description

[0038] Figure 1 This is a perspective view of a low-temperature preservation device according to an embodiment of the present invention.

[0039] Figure 2 This is a perspective view of a low-temperature preservation device according to an embodiment of the present invention.

[0040] Figure 3 This is a front view of a low-temperature preservation device according to an embodiment of the present invention.

[0041] Figure 4 This is a right view of a low-temperature preservation device according to an embodiment of the present invention.

[0042] Figure 5 This is a left view of a low-temperature preservation device according to an embodiment of the present invention.

[0043] Figure 6 This is a schematic diagram of the first mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0044] Figure 7 This is a perspective view of the first mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0045] Figure 8 This is a schematic diagram of the second mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0046] Figure 9 This is a perspective view of the second mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0047] Figure 10 This is an exploded schematic diagram of the second mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0048] Figure 11 This is an exploded schematic diagram of the second mounting base of a low-temperature preservation device according to an embodiment of the present invention.

[0049] Figure 12 This is a perspective view of a low-temperature preservation device according to an embodiment of the present invention.

[0050] Figure 13 This is a perspective view of a low-temperature preservation device according to an embodiment of the present invention.

[0051] Figure 14 This is a schematic diagram of the body of a low-temperature preservation device according to an embodiment of the present invention.

[0052] Figure 15 This is a schematic diagram of the installation section of a low-temperature preservation device according to an embodiment of the present invention.

[0053] Reference numerals: Low-temperature preservation equipment 100, negative pressure preservation module 10, vacuum module 11, barrel 111, drawer 112, first mounting base 12, positioning claw 121, positioning notch 1201, first positioning part 1211, second positioning part 1212, second mounting base 13, first overlapping part 1301, first fixing part 1303, second fixing part 1304, first guide slope 1305, second guide slope 1306, base 131, slider 1 32, Main body 133, Support part 1331, Hook part 1332, Adjusting bolt 134, Body 20, Refrigeration compartment 201, Mounting hole 202, Storage cavity 203, Mounting part 21, Positioning hook 211, Baffle 212, Connecting part 213, Limiting part 214, Rotating handle 215, First slide rail 221, Second slide rail 222, T-shaped slide groove 223, T-shaped slide rail 224, Elastic buckle 225, First slot 226, Second slot 227. Detailed Implementation

[0054] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0055] like Figures 1 to 3According to an embodiment of the present invention, the negative pressure preservation module 10 includes a vacuum module 11, a first mounting base 12, and a second mounting base 13. The vacuum module 11 has a negative pressure chamber, in which items to be stored can be placed. By evacuating the negative pressure chamber, a negative pressure is formed within it, optimizing the storage environment of the items and achieving purposes such as food preservation and heat preservation. The first mounting base 12 and the second mounting base 13 are respectively connected to the two sides of the vacuum module 11 in the left-right direction. The present invention is mainly described using the example of the first mounting base 12 being connected to the right side of the vacuum module 11 and the second mounting base 13 being connected to the left side of the vacuum module 11; however, the first mounting base 12 can also be connected to the left side of the vacuum module 11 and the second mounting base 13 to the right side of the vacuum module 11.

[0056] The first mounting base 12 and the second mounting base 13 are used to position the negative pressure preservation module 10. For example, in a storage device having the negative pressure preservation module 10, the first mounting base 12 and the second mounting base 13 can be connected to the main body of the storage device, thereby enabling the negative pressure preservation module 10 to be positioned on the main body of the storage device, thus achieving the positioning of the negative pressure preservation module 10.

[0057] In addition, the present invention also provides a low-temperature preservation device 100, which allows the negative pressure preservation module 10 to be placed on the body 20 of the low-temperature preservation device 100 after the first mounting base 12 and the second mounting base 13 are assembled with the negative pressure module. The installation and positioning of the negative pressure preservation module 10 are achieved through the connection between the first mounting base 12 and the second mounting base 13 and the body 20. The following description of the present invention mainly uses the low-temperature preservation device 100 including the negative pressure preservation module 10 as an example; however, this is not intended to limit the scope of protection of the present invention.

[0058] According to the embodiments of the present invention, the negative pressure preservation module 10 can realize the stable installation and positioning of the vacuum module 11 by using the first mounting base 12 and the second mounting base 13. By utilizing the modular design of the negative pressure preservation module 10, the equipment structure and assembly of the negative pressure preservation module 10 can be simplified.

[0059] like Figure 4 , Figure 6 and Figure 7In some embodiments, the first mounting base 12 includes at least one positioning claw 121, which has a positioning notch 1201 with a rear opening. The positioning claw 121 can be used to install and position the first mounting base 12. Specifically, when the negative pressure preservation module 10 is installed onto the body 20 of the low-temperature preservation equipment 100, an installation part 21 can be provided on the body 20. By installing the negative pressure preservation module 10 into the body 20 from front to back, the positioning notch 1201 with the rear opening will cooperate with the installation part 21 during the installation of the negative pressure preservation module 10 into the body 20, so as to achieve stable assembly of the first mounting base 12 and the body 20.

[0060] Optionally, such as Figure 4 The positioning claw 121 includes a first positioning part 1211 and a second positioning part 1212, which are distributed in a vertical direction, and a positioning notch 1201 is provided between the first positioning part 1211 and the second positioning part 1212. Thus, when the mounting part 21 is engaged with the positioning notch 1201, the first positioning part 1211 and the second positioning part 1212 engage with the mounting part 21 respectively, achieving stable assembly of the first mounting base 12 and the mounting part 21.

[0061] Optionally, the rear opening of the positioning notch 1201 is configured as a flared opening that widens in the direction from front to back. This facilitates quick alignment of the mounting part 21 with the positioning notch 1201, and facilitates rapid assembly of the positioning notch 1201 and the mounting part 21 during the installation of the negative pressure preservation module 10.

[0062] Optionally, such as Figure 4 At least one positioning claw 121 includes a first positioning claw 121, a second positioning claw 121, and a third positioning claw 121, which are arranged in a triangular pattern. This improves the stability and structural strength of the assembly between the first mounting base 12 and the body 20, and avoids over-positioning between the first mounting base 12 and the body 20. The at least one positioning claw 121 can also be one, two, four, or more.

[0063] like Figure 5 , Figure 8 and Figure 9 In some embodiments, the second mounting base 13 is provided with a first overlapping portion 1301, and the vacuum module 11 is provided with a second overlapping portion, which overlaps with the first overlapping portion 1301. The cooperation between the first overlapping portion 1301 and the second overlapping portion enables the second mounting base 13 to provide support for the vacuum module 11, thereby improving the stability of the vacuum module 11, facilitating a better storage environment, extending the negative pressure maintenance time inside the vacuum module 11, reducing the frequency of use of the pumping components, and saving energy and protecting the environment.

[0064] Optionally, such as Figure 5 The negative pressure preservation module 10 includes a first fixing member 1303, which extends through and fixes the second mounting base 13 and the vacuum module 11 in a left-right direction. This enables a stable connection between the negative pressure mounting base and the vacuum module 11, improving the stability of the vacuum module 11. The first fixing member 1303 can be a screw.

[0065] like Figure 10 and Figure 11 In some embodiments, the second mounting base 13 includes a base 131, which can provide support for the first mounting base 12. The base 131 can be fixed to the body 20 or integrated with the body 20 (e.g., the bottom wall of the refrigeration compartment 201 described below).

[0066] The second mounting base 13 also includes a slider 132, which is slidably disposed on the base 131 in the front-back direction.

[0067] The second mounting base 13 also includes a main body 133, which is connected to the vacuum module 11. The front of the main body 133 is supported by a slider 132, which is configured to move in the front-rear direction to adjust the height of the front end of the main body 133. The height of the front end of the main body 133 can be adjusted by moving the slider 132 in the front-rear direction, thereby adjusting the height of the corresponding position of the vacuum module 11, so as to adjust the levelness of the vacuum module 11 and further optimize the stability and negative pressure maintenance time of the vacuum module 11.

[0068] Optionally, such as Figure 10 and Figure 11 The negative pressure preservation module 10 also includes a second fixing member 1304. The second fixing member 1304 is inserted vertically and fixes the base 131 and the main body 133. The second fixing member 1304 is located behind the slider 132. The second fixing member 1304 can be used to achieve a stable connection between the main body 133 and the base 131. The level of the vacuum module 11 can also be easily adjusted via the slider 132. The second fixing member 1304 can be a screw.

[0069] Optionally, such as Figure 10 and Figure 11In some embodiments, the main body 133 is provided with a first guide slope 1305, and the slider 132 is provided with a second guide slope 1306. The first guide slope 1305 is supported by the second guide slope 1306, and at least one of the first guide slope 1305 and the second guide slope 1306 is inclined downward in the direction from front to back. In this way, when the slider 132 slides from front to back, the cooperation of the first guide slope 1305 and the second guide slope 1306 can raise the front end of the main body 133, thereby raising the height of the side of the vacuum module 11 near the second mounting base 13. When the slider 132 slides from back to front, the cooperation of the second guide slope 1306 and the gravity of the vacuum module 11 and the main body 133 will cause the lower end of the front end of the main body 133 to be lowered, thereby reducing the height of the side of the vacuum module 11 near the second mounting base 13.

[0070] Of course, at least one of the first guide slope 1305 and the second guide slope 1306 in the present invention can also be set to be inclined upward in the direction from front to back, so that the height of the main body 133 increases when the slider 132 moves forward and the height of the main body 133 decreases when the slider 132 moves backward.

[0071] like Figure 10 and Figure 11 In some embodiments, the second mounting base 13 further includes an adjusting bolt 134 disposed on the base 131 and extending in the front-rear direction. The adjusting bolt 134 is stationary relative to the base 131 in the front-rear direction and is rotatably disposed on the base 131. The adjusting bolt 134 is threadedly connected to the slider 132. During rotation, the rotational motion of the adjusting bolt 134 can be converted into the translational motion of the slider 132 in the front-rear direction through the threaded transmission mechanism, thereby driving the slider 132 to move in the front-rear direction. This facilitates quick and stable adjustment of the front end height of the main body 133, simplifying the height adjustment efficiency of the vacuum preservation module.

[0072] like Figure 10 In some embodiments, the main body 133 extends in the front-to-back direction, and a support 1331 is provided at the rear of the main body 133. The support 1331 extends in the vertical direction, and a hook 1332 extending rearward is provided at the lower end of the support 1331. Thus, the hook 1332 can be used to position the rear end of the main body 133, thereby improving the positioning stability of the second mounting base 13.

[0073] like Figure 1In some embodiments, the vacuum module 11 includes a barrel 111 and a drawer 112. A negative pressure chamber is located in the barrel 111, and the front of the barrel 111 has an opening communicating with the negative pressure chamber. The drawer 112 is movably inserted into the negative pressure chamber in the front-back direction and is used to open and close the opening. Specifically, during the use of the negative pressure preservation module 10, the drawer 112 can be pulled forward to expose the storage slot inside the drawer 112, allowing items to be stored to be placed into the storage slot. Then, the drawer 112 is pushed backward into the negative pressure chamber, and the front panel of the drawer 112 is used to close the opening of the negative pressure chamber, thereby storing the items to be stored in the negative pressure chamber. The cooperation between the drawer 112 and the barrel 111 forms a closed space, which facilitates the use of a vacuum assembly to remove air, reduce the air pressure in the negative pressure chamber, and optimize the storage effect of the items.

[0074] In some embodiments, the vacuum module 11 is provided with an air extraction port for connecting to an air extraction device, the air extraction port being connected to a negative pressure chamber. The air extraction port can be connected to an air extraction assembly to facilitate the extraction of air from the negative pressure chamber using the air extraction assembly, thereby achieving low-pressure storage.

[0075] In addition, the negative pressure preservation module 10 also includes an air extraction component, which is connected to the negative pressure chamber. Optionally, the air extraction component can be installed on the container 111, thereby further improving the integration of the negative pressure preservation module 10.

[0076] like Figure 12 and Figure 13 The present invention also provides a low-temperature preservation device 100, such as a refrigerator. According to an embodiment of the present invention, the low-temperature preservation device 100 includes: a body 20, the body 20 having a refrigeration compartment 201, which can store items for convenient storage and preservation. The low-temperature preservation device 100 also includes a refrigeration device for cooling the refrigeration compartment 201. The refrigeration device can create a low-temperature environment within the refrigeration compartment 201 to optimize the storage effect of items. In addition, the low-temperature preservation device 100 may also include the aforementioned negative pressure preservation module 10, which is disposed in the refrigeration compartment 201, with a first mounting base 12 and a second mounting base 13 connected to the body 20. This allows for rapid installation of the negative pressure preservation module 10 using the first mounting base 12 and the second mounting base 13, improving the integration of the low-pressure preservation module and simplifying the assembly process of the low-temperature preservation device 100.

[0077] By combining low-temperature preservation and negative pressure preservation, a negative pressure sealed environment is created to isolate food from the outside air, achieving the effects of antibacterial, moisture-proof, and anti-oxidation. The core is to remove the air from the container and food by high pressure, putting the food in a vacuum state, thereby effectively inhibiting the reproduction of aerobic bacteria and slowing down the oxidation process of food.

[0078] like Figure 13 In some embodiments, the side wall of the refrigeration compartment 201 is provided with a mounting part 21, and the first mounting seat 12 is connected to the mounting part 21. The mounting part 21 can be used to achieve stable assembly of the first mounting seat 12 and the body 20, effectively improving the assembly efficiency and stability of the negative pressure preservation module 10.

[0079] In combination with the foregoing, such as Figure 13 and Figure 15 The mounting part 21 includes a positioning hook 211, and the first mounting base 12 includes at least one positioning claw 121. The positioning claw 121 has a positioning notch 1201 with a rear opening. The positioning hook 211 slides into the positioning claw 121 along the positioning notch 1201 and is engaged with the positioning claw 121. When the negative pressure preservation module 10 is installed onto the body 20, the positioning notch 1201 with the rear opening will cooperate with the positioning hook 211 during the installation process, so that the positioning hook 211 can slide from back to front into the positioning notch 1201. The positioning hook 211 can hook onto the side of the positioning notch 1201 (such as the aforementioned first positioning part 1211 and second positioning part 1212), thereby achieving stable assembly between the first mounting base 12 and the body 20.

[0080] Optionally, such as Figure 15 The mounting part 21 also includes a baffle 212 and a connecting part 213. The first end of the connecting part 213 is connected to the baffle 212, and the second end of the connecting part 213 is provided with at least two limiting parts 214 distributed circumferentially along the connecting part 213. The side wall of the refrigeration chamber 201 is provided with a mounting hole 202, the shape of which is the same as the shape of the second end of the connecting part 213. The mounting part 21 can be positioned opposite the mounting hole 202 from the outside of the side wall of the refrigeration chamber 201, and the second end of the connecting part 213 can be inserted into the mounting hole 202 in a left-right direction. After the second end of the connecting part 213 passes through the mounting hole 202, the mounting part 21 can be rotated to misalign the second end of the connecting part 213 with the mounting hole 202, thereby positioning the mounting part 21 on the side wall of the refrigeration chamber 201. In addition, the positioning hook 211 can be provided at the second end of the connecting part 213. When the mounting part 21 is installed on the side wall of the refrigeration chamber 201, the positioning hook 211 is provided on the inner side of the side wall of the refrigeration chamber 201, so as to facilitate the cooperation between the positioning hook 211 and the positioning claw 121.

[0081] In addition, the mounting part 21 also includes a rotating handle 215, which is located on the outer side wall of the refrigeration compartment 201 and configured to drive the mounting part 21 to rotate. This allows the mounting part 21 to be installed easily by rotating the handle 215, improving the installation efficiency of the mounting part 21.

[0082] like Figure 7 and Figure 14 In some embodiments, the first mounting base 12 further includes a first slide rail 221, and a second slide rail 222 is provided on the side wall of the refrigeration chamber 201. The first slide rail 221 and the second slide rail 222 extend in the front-rear direction and connect with each other in the front-rear direction. The rear part of the first slide rail 221 is provided with a T-shaped slide groove 223 with a rear opening, and the front part of the second slide rail 222 is provided with a T-shaped slide rail 224. The T-shaped slide rail 224 passes through the T-shaped slide groove 223 in the front-rear direction. The first slide rail 221 and the second slide rail 222 can be used to construct a slide rail structure to facilitate the placement of partitions and other items in the refrigeration chamber 201. The cooperation of the T-shaped slide groove 223 and the T-shaped slide rail 224 can further improve the assembly stability and assembly efficiency of the first mounting base 12 and the side wall of the refrigeration chamber 201. In addition, the first slide rail 221 and the second slide rail 222 can be used to construct a stable slide rail structure to facilitate the placement of partitions and other items in the refrigeration chamber 201.

[0083] like Figure 4 and Figure 14 In some embodiments, the first mounting base 12 further includes an elastic buckle 225, and a first slot 226 is provided on the inner surface of the side wall of the refrigeration chamber 201. The elastic buckle 225 is engaged with the first slot 226. By utilizing the cooperation of the elastic buckle 225 and the first slot 226, the first mounting base 12 can be stably positioned. The elastic buckle may include a spring and a protrusion. The spring is configured as a cantilevered device with one end connected to the main body of the first mounting base 12. The protrusion is located at the free end of the spring and protrudes towards the side wall of the refrigeration chamber 201. The protrusion may be configured to have a front side and a rear side, and the angle of inclination of the front side relative to the front-rear direction is greater than the angle of inclination of the rear side relative to the front-rear direction. Similarly, the first buckle may also be configured to have an angle of inclination of the front side relative to the front-rear direction greater than the angle of inclination of the rear side relative to the front-rear direction. This allows the rear surface of the protrusion to convert the force along the front-to-back direction into a force along the left-to-right direction towards the vacuum module 11 when the first mounting base 12 slides from front to back. This facilitates the protrusion's recess towards the vacuum module 11, allowing the first mounting base 12 to slide from front to back into the cooling chamber 201. When the protrusion slides into alignment with the first slot 226, it engages with the first slot 226. Furthermore, it restricts the first mounting base 12 from moving from back to front, ensuring stable installation of the vacuum module 11.

[0084] like Figure 8 and Figure 14 In some embodiments, the rear of the second mounting base 13 is provided with a support portion 1331, and the lower end of the support portion 1331 is provided with a rearwardly extending hook portion 1332. The bottom surface of the refrigeration compartment 201 is provided with a second slot 227, and the hook portion 1332 engages with the second slot 227. This allows for the positioning of the rear end of the second mounting base 13, achieving stable installation of the negative pressure preservation module 10.

[0085] Furthermore, the bottom wall of the refrigeration compartment 201 is provided with a positioning groove, and the bottom surface of the second mounting base 13 is provided with a positioning protrusion, which is located in the positioning groove. This further improves the stability of the assembly between the second mounting base 13 and the body 20.

[0086] Optionally, the second mounting base 13 separates a storage cavity 203 within the refrigeration chamber 201, and the second mounting base 13 separates the storage cavity 203 from the vacuum module 11. This can expand the storage space within the refrigeration chamber 201, facilitate the classification and storage of items, and improve space utilization.

[0087] In this invention, the vacuum module 11, the first mounting base 12, and the second mounting base 13 are assembled to form a negative pressure preservation module 10. The negative pressure preservation module 10 is installed as a whole on the body 20, and the installation is simple and reliable. The barrel 111 of the vacuum module 11 and the second mounting base 13 are connected to the plane of the second mounting base 13 by the guide rails on both sides of the barrel 111. At the same time, the second mounting base 13 is fixed to the barrel 111 with screws. The lower part of the second mounting base 13 has an adjustable support, which can be adjusted to make the left and right sides level.

[0088] In conjunction with the foregoing, the negative pressure preservation module 10 of the present invention may include a vacuum module 11, a first mounting base 12 and a second mounting base 13. The vacuum module 11 includes a barrel 111 and a drawer 112. The outer surface of the barrel 111 is provided with reinforcing ribs, which form a second overlapping portion and a fourth overlapping portion. The second overlapping portion may be provided on one side of the barrel 111 in the left-right direction, and the fourth overlapping portion may be provided on the other side of the barrel 111 in the left-right direction.

[0089] The first mounting base 12 has a third overlapping portion, and the second mounting base 13 has a first overlapping portion. The first, second, third, and fourth overlapping portions all extend in a front-to-back direction. The second overlapping portion overlaps the first overlapping portion, and the fourth overlapping portion overlaps the third overlapping portion. The first mounting base 12 is fixedly connected to the barrel body 111 by a third fixing member extending in a left-to-right direction, and the first mounting base 12 is fixedly connected to the barrel body 111 by a first fixing member extending in a left-to-right direction. The first and third fixing members can be screws.

[0090] In addition, the vacuum module 11 has a hook on at least one side along the left-right direction, and the first mounting base 12 has a hole extending along the front-back direction, and the hook can be inserted into the hole along the front-back direction; or, the second mounting base 13 has a hole extending along the front-back direction, and the hook can be inserted into the hole along the front-back direction.

[0091] When installing the negative pressure preservation module 10 into the refrigeration chamber, first insert the mounting part into the mounting hole from the outside of the side wall of the refrigeration chamber, then rotate the mounting part to rotate and fasten it with the side wall of the refrigeration chamber. The positioning hook of the mounting part is located on the inside of the side wall of the refrigeration chamber.

[0092] The negative pressure preservation module 10 can be installed into the refrigeration compartment from front to back. The first mounting base 12 may include a first positioning claw located at the upper front, a second positioning claw located at the lower front, and a third positioning claw located at the rear. The side wall of the refrigeration compartment is provided with a mounting part adapted to the first positioning claw, and a locking part (which can be integrated with the first mounting base) is also provided at the rear of the side wall of the refrigeration compartment. When installing the negative pressure preservation module 10 from front to back, the first and second positioning claws respectively engage with the positioning hooks of the corresponding mounting parts in the front-back direction, and the third positioning claw can engage with the locking part in the front-back direction. In addition, the first mounting base 12 is also provided with an elastic buckle 225, and the side wall of the refrigeration compartment is provided with a first locking groove 226. After the negative pressure preservation module 10 is installed in place, the elastic buckle 225 engages with the first locking groove 226.

[0093] In addition, during the process of installing the negative pressure preservation module 10 into the refrigeration chamber from front to back, the rear end of the second mounting base 13 is provided with a hook 1332, which is inserted into the second slot 227, and the base 131 at the front end of the second mounting base 13 is fixedly connected to the bottom wall of the refrigeration chamber.

[0094] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0095] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0096] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0097] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0098] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0099] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A negative pressure preservation module (10), characterized in that, It includes a vacuum module (11), a first mounting base (12) and a second mounting base (13). The vacuum module (11) has a negative pressure chamber. The first mounting base (12) and the second mounting base (13) are respectively connected to the two sides of the vacuum module (11) in the left-right direction. The first mounting base (12) and the second mounting base (13) are used to position the negative pressure preservation module (10).

2. The negative pressure preservation module (10) according to claim 1, characterized in that, The first mounting base (12) includes at least one positioning claw (121), which has a positioning notch (1201) with a rear opening.

3. The negative pressure preservation module (10) according to claim 2, characterized in that, The positioning claw (121) includes a first positioning part (1211) and a second positioning part (1212), the first positioning part (1211) and the second positioning part (1212) are distributed in the vertical direction, and the positioning notch (1201) is provided between the first positioning part (1211) and the second positioning part (1212); And / or, the rear opening of the positioning notch (1201) is configured as a flared shape that widens in the direction from front to back; And / or, the at least one positioning claw (121) includes a first positioning claw (121), a second positioning claw (121) and a third positioning claw (121), wherein the first positioning claw (121), the second positioning claw (121) and the third positioning claw (121) are arranged in a triangular pattern.

4. The negative pressure preservation module (10) according to claim 1, characterized in that, The second mounting base (13) is provided with a first overlapping part (1301), and the vacuum module (11) is provided with a second overlapping part, which overlaps with the first overlapping part (1301).

5. The negative pressure preservation module (10) according to claim 4, characterized in that, The negative pressure preservation module (10) includes a first fixing member (1303), which is inserted through the second mounting base (13) and the vacuum module (11) in the left-right direction.

6. The negative pressure preservation module (10) according to claim 1, characterized in that, The second mounting base (13) includes: Base (131); A slider (132) is slidably disposed on the base (131) in the front-back direction; The main body (133) is connected to the vacuum module (11). The front of the main body (133) is supported by the slider (132), which is configured to be movable in the front-rear direction to adjust the height of the front end of the main body (133).

7. The negative pressure preservation module (10) according to claim 6, characterized in that, The negative pressure preservation module (10) also includes a second fixing member (1304), which is inserted through the base (131) and the main body (133) in the vertical direction and is fixedly connected. The second fixing member (1304) is located behind the slider (132). And / or, the main body (133) is provided with a first guide slope (1305), the slider (132) is provided with a second guide slope (1306), the first guide slope (1305) is supported on the second guide slope (1306), and at least one of the first guide slope (1305) and the second guide slope (1306) is provided to be inclined downward in the direction from front to back; And / or, the second mounting base (13) further includes an adjusting bolt (134) disposed on the base (131) and extending in the front-rear direction, the adjusting bolt (134) being stationary relative to the base (131) in the front-rear direction and rotatably disposed on the base (131), the adjusting bolt (134) being threadedly connected to the slider (132); And / or, the main body (133) extends in the front-to-back direction, the rear of the main body (133) is provided with a support (1331), the support (1331) extends in the up-down direction, and the lower end of the support (1331) is provided with a hook (1332) extending backward.

8. The negative pressure preservation module (10) according to any one of claims 1-7, characterized in that, The vacuum module (11) includes a barrel (111) and a drawer (112). The negative pressure chamber is located in the barrel (111), and the front of the barrel (111) is provided with an opening that communicates with the negative pressure chamber. The drawer (112) is movably inserted through the negative pressure chamber in the front-back direction and is used to open and close the opening. And / or, the vacuum module (11) is provided with an air extraction port for connecting to the air extraction device, the air extraction port being connected to the negative pressure chamber; And / or, the negative pressure preservation module (10) further includes an air extraction component connected to the negative pressure chamber.

9. A low-temperature preservation device (100), characterized in that, include: The body (20) is provided with a refrigeration chamber (201); A refrigeration device for cooling the refrigeration chamber (201); The negative pressure preservation module (10) according to any one of claims 1-8, wherein the negative pressure preservation module (10) is disposed in the refrigeration chamber (201), and the first mounting base (12) and the second mounting base (13) are connected to the body (20).

10. The low-temperature preservation equipment (100) according to claim 9, characterized in that, The side wall of the refrigeration chamber (201) is provided with a mounting part (21), and the first mounting base (12) is connected to the mounting part (21).

11. The low-temperature preservation equipment (100) according to claim 10, characterized in that, The mounting part (21) includes a positioning hook (211), and the first mounting base (12) includes at least one positioning claw (121). The positioning claw (121) is provided with a positioning notch (1201) with a rear opening. The positioning hook (211) slides into the positioning claw (121) along the positioning notch (1201) and is engaged with the positioning claw (121). And / or, the mounting part (21) further includes a baffle (212) and a connecting part (213), the first end of the connecting part (213) is connected to the baffle (212), the second end of the connecting part (213) is provided with at least two limiting parts (214) distributed circumferentially along the connecting part (213), and the side wall of the refrigeration chamber (201) is provided with a mounting hole (202), the shape of the mounting hole (202) is the same as the shape of the second end of the connecting part (213); And / or, the mounting part (21) further includes a rotating handle (215), which is located on the outside of the side wall of the refrigeration chamber (201) and configured to drive the mounting part (21) to rotate.

12. The low-temperature preservation equipment (100) according to claim 9, characterized in that, The first mounting base (12) further includes a first slide rail (221), and the side wall of the refrigeration chamber (201) is provided with a second slide rail (222). The first slide rail (221) and the second slide rail (222) extend in the front-back direction and connect in the front-back direction. The rear part of the first slide rail (221) is provided with a T-shaped slide groove (223) with a rear end opening, and the front part of the second slide rail (222) is provided with a T-shaped slide rail (224). The T-shaped slide rail (224) passes through the T-shaped slide groove (223) in the front-back direction.

13. The low-temperature preservation equipment (100) according to claim 9, characterized in that, The first mounting base (12) further includes an elastic buckle (225), and the inner surface of the side wall of the refrigeration chamber (201) is provided with a first slot (226), and the elastic buckle (225) is engaged with the first slot (226).

14. The low-temperature preservation equipment (100) according to claim 9, characterized in that, The second mounting base (13) has a support part (1331) at its rear, and the lower end of the support part (1331) has a hook part (1332) extending backward. The bottom surface of the refrigeration chamber (201) has a second slot (227), and the hook part (1332) engages with the second slot (227). And / or, the second mounting base (13) divides the storage cavity (203) in the cooling chamber (201), and the second mounting base (13) separates the storage cavity (203) and the vacuum module (11); And / or, the bottom wall of the refrigeration chamber (201) is provided with a positioning groove, and the bottom surface of the second mounting base (13) is provided with a positioning protrusion, which is located in the positioning groove.

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