Anti-air-leakage freeze-drying bin for vacuum freeze-drying machine

By setting up multiple sealing structures and a flipping component in the freeze-drying chamber of the vacuum freeze dryer, the problems of poor sealing at the chamber opening and small material contact area are solved, achieving efficient sealing and uniform freezing effect in the freeze-drying chamber.

CN223691415UActive Publication Date: 2025-12-19SHANGHAI SHENGLIFA IND CO LTD
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Patent Information

Application Number
CN202520225990.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-19
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Existing vacuum freeze dryers have problems with the freeze-drying chamber, such as poor sealing of the chamber opening leading to air leakage, and small contact area between the material and the freeze-drying chamber, resulting in low heat exchange efficiency and slow freezing speed.

Method used

A leak-proof freeze-drying chamber for a vacuum freeze dryer was designed. By setting up multiple sealing structures such as the chamber opening, positioning holes, positioning rods, sealing gaskets, chamber covers, rubber gaskets, turntables, screws, and pressure plates, the sealing effect of the chamber opening is improved. At the same time, components such as support plates, limiting holes, limiting blocks, placement cylinders, and motors are used to increase the contact area between the material and the cold air.

Benefits of technology

It effectively avoids air leakage, improves the practicality and efficiency of the freeze-drying chamber, ensures uniform freezing of materials, and meets usage requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of vacuum freeze-drying machines, and particularly relates to an anti-air-leakage freeze-drying bin for a vacuum freeze-drying machine, which comprises a freeze-drying bin body, a bin opening is arranged at the top of the freeze-drying bin body, a positioning hole is arranged on one side of the bottom end in the bin opening, a positioning rod is arranged in the positioning hole, and a sealing gasket is arranged at the bottom end of the positioning rod. A rubber pad is arranged at the bottom of the bin cover, a handle is arranged on one side of the top of the bin cover, and a support is arranged on the side, located on the bin opening, of the freeze-drying bin body. Through mutual cooperation of the bin opening, the positioning hole, the positioning rod, the sealing gasket, the bin cover, the handle, the rotating disc, the screw rod, the pressing plate and the rubber pad, the problem that air leakage is prone to occurring due to the fact that the bin opening is not tightly sealed in the using process is solved, and through mutual cooperation of the supporting disc, the limiting hole, the limiting block, the containing cylinder, the motor and the annular groove, the sealing effect is good. The problem that in the vacuum freezing process, the contact area between the materials in the freeze-drying bin and the freeze-drying bin is small is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum freeze dryer technical field, specifically to a kind of freeze-drying bin of air leakage prevention of vacuum freeze dryer. BACKGROUND

[0002] Vacuum freeze dryer is a kind of technology using the principle of sublimation to dry, is considered the best processing method for producing high-quality food, mainly using in vacuum state, using sublimation principle, pre-frozen water in material is directly sublimated and removed, so that material is dried, called vacuum freeze drying, and the food produced by this method is called freeze-dried food;

[0003] The existing patent number CN221505440U relates to a freeze-drying bin for freeze-drying machine, comprising: freeze-drying bin body, support frame, first sliding part, adjusting part and two or more trays; The freeze-drying bin body is provided with a cavity with one open side, the support frame is arranged inside the cavity of the freeze-drying bin body, and the support frame is detachably connected with the freeze-drying bin body through the first sliding part; Two or more trays are stacked on the support frame, and the two or more trays are movably connected with the support frame through the adjusting part. Two or more trays are located on the support frame, and all the trays can be moved by moving the support frame. When the material needs to be taken out, the support frame can be slid towards the opening direction to move the multiple trays into or out of the freeze-drying bin body at the same time. The operator does not need to stretch both hands into or close to the freeze-drying bin body, and the operation is more safe and convenient.

[0004] The existing technology has the following problems:

[0005] 1. The existing freeze-drying bin for vacuum freeze dryer is not particularly ideal for sealing effect of the bin opening, which also leads to the problem of air leakage during use of the freeze-drying bin, affecting the work of the freeze-drying bin, reducing the practicability of the freeze-drying bin, and being inconvenient to popularize;

[0006] 2. The existing freeze-drying bin for vacuum freeze dryer has most of the internal materials fixedly placed, which also leads to the problem of relatively slow freezing speed during vacuum freezing process, reducing the efficiency of work, and failing to meet the use requirements. INVENTION CONTENTS

[0007] The utility model provides a kind of freeze-drying bin for leak-proof vacuum freeze-drying machine, solve the sealing effect of the bin mouth that is not especially ideal existing today, it also leads to freeze-drying bin in the use process, it is easy to cause to appear leak phenomenon to influence freeze-drying bin work due to bin mouth sealing is not strict, and in the vacuum freezing process, the contact area of freeze-drying bin internal material and freeze-drying bin is smaller, cause heat exchange efficiency to reduce, to appear relatively slow problem of freezing speed.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of freeze-drying bin for leak-proof vacuum freeze-drying machine, including freeze-drying bin body, the top of freeze-drying bin body is provided with bin mouth, the inside bottom end of bin mouth is opened in position hole, the inside of position hole is provided with positioning rod, the bottom of positioning rod is provided with sealing pad, the top of positioning rod is provided with bin cover, the bottom of bin cover is provided with rubber pad, the top of bin cover one side has handle, the freeze-drying bin body is located bin mouth one side and is provided with support, the top of support one side is provided with rotating disc, the bottom of rotating disc is provided with screw rod, the bottom of screw rod is provided with compression plate, the inside of freeze-drying bin body is provided with rotating assembly.

[0009] As a preferred technical scheme of the utility model, the size of the bin mouth is matched with the size of the bin cover, the bin cover and the positioning rod are integrally arranged, and the position of the positioning rod is correspondingly arranged with the position of the positioning hole.

[0010] As a preferred technical scheme of the utility model, the sealing pad and the rubber pad are respectively installed on the positioning rod and the bin cover through adhesive connection, the size of the sealing pad is matched with the size of the positioning rod, and the size of the rubber pad is matched with the size of the bin cover.

[0011] As a preferred technical scheme of the utility model, a threaded hole matched with the size of the screw rod is formed in the support, the top end of the screw rod is fixedly connected with the rotating disc, and the bottom end of the screw rod is rotatably connected with the compression plate through the threaded hole.

[0012] As a preferred technical scheme of the utility model, the rotating assembly comprises a supporting disc, a limiting hole is formed in one side of the top of the supporting disc, a limiting block is arranged in the limiting hole, the top of the limiting block is provided with a placing cylinder, a pull rod is arranged at the top end of the inside of the placing cylinder, a rotating shaft is arranged in the middle of the bottom of the supporting disc, a motor is arranged at the bottom end of the rotating shaft, a positioning plate is arranged at one side of the supporting disc in the limiting hole, a sliding block is arranged at one side of the positioning plate, and an annular groove is arranged on the outer surface of one side of the sliding block.

[0013] As a preferred technical scheme of the utility model, the size of the limiting hole is matched with the size of the limiting block, the limiting block and the placing cylinder are integrally arranged, and the number of the limiting blocks is four groups, and the four groups of limiting blocks are arranged in annular array.

[0014] As a preferred technical scheme of the utility model, the sliding block is installed on the positioning plate through fixed connection, the sliding block is in sliding connection with the inner wall of the annular groove, and the positions of the positioning plate and the placing cylinder are arranged in correspondence with each other.

[0015] Compared with the prior art, the utility model provides a freeze-drying bin for a vacuum freeze-drying machine, which has the following beneficial effects:

[0016] 1. The freeze-drying bin for a vacuum freeze-drying machine, by setting up the bin mouth, the positioning hole, the positioning rod, the sealing gasket, the bin cover, the handle, the rotating disc, the screw rod, the pressing plate and the rubber pad, when closing the freeze-drying bin body, first push the bin cover and the bin mouth into each other through the handle, and make the positioning rod inserted into the positioning hole, which plays a positioning role on the bin cover, then rotate the rotating disc, so that the screw rod rotates, and in turn drives the pressing plate to move vertically downward to press and fix the bin cover, improve the sealing effect of the bin mouth, finally through the mutual cooperation of the rubber pad and the sealing gasket, further strengthen the sealing effect of the bin mouth, this design, through the setting of multiple sealing structures, avoids the problem of air leakage caused by the loose sealing of the bin mouth in the use process of the freeze-drying bin, improves the practicality of the freeze-drying bin, and is convenient for promotion.

[0017] 2. The freeze-drying bin for a vacuum freeze-drying machine, by setting up the supporting disc, the limiting hole, the limiting block, the placing cylinder, the motor and the annular groove, when vacuum freezing, first make the positioning plate play a positioning role on the placing cylinder, at the same time, make the limiting block on the placing cylinder and the limiting hole on the supporting disc into each other, support and limit the placing cylinder, further improve the stability of the placing cylinder, finally start the motor, drive the supporting plate to rotate along the annular groove, so as to carry out the overturning operation on the materials in the placing cylinder, increase the contact area of the materials with the cold air, and make the materials be more evenly frozen, this design avoids the problem that the contact area of the materials in the freeze-drying bin with the freeze-drying bin is small in the vacuum freezing process, improves the working efficiency, and meets the use requirement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the cross section structure schematic diagram of the bin mouth of the utility model;

[0020] Figure 3 It is Figure 2 It is the enlarged view of structure in A place of the utility model;

[0021] Figure 4 It is the cross section structure schematic diagram of the freeze-drying bin body of the utility model.

[0022] In the figure: 1, freeze-drying warehouse body; 2, warehouse mouth; 3, positioning hole; 4, positioning rod; 5, sealing gasket; 6, warehouse cover; 7, handle; 8, support; 9, rotating disc; 10, screw rod; 11, compression plate; 12, rotating assembly; 121, support disc; 122, limiting hole; 123, limiting block; 124, placing cylinder; 125, pull rod; 126, rotating shaft; 127, motor; 128, positioning plate; 129, sliding block; 1210, annular groove; 13, rubber pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of freeze-drying warehouse for leak-proof vacuum freeze-drying machine, including freeze-drying warehouse body 1, freeze-drying warehouse body 1 top is provided with warehouse mouth 2, and the inside bottom end one side of warehouse mouth 2 is provided with positioning hole 3, and positioning hole 3 is provided with positioning rod 4 inside, and the bottom of positioning rod 4 is provided with sealing gasket 5, and the top of positioning rod 4 is provided with warehouse cover 6, and the bottom of warehouse cover 6 is provided with rubber pad 13, and the top one side of warehouse cover 6 has handle 7, and freeze-drying warehouse body 1 is provided with support 8 at one side of warehouse mouth 2, and support 8 top one side is provided with rotating disc 9, and the bottom of rotating disc 9 is provided with screw rod 10, and the bottom end of screw rod 10 is provided with compression plate 11, and freeze-drying warehouse body 1 is provided with rotating assembly 12 inside;The size of warehouse mouth 2 is compatible with the size of warehouse cover 6, and warehouse cover 6 is integrally arranged with positioning rod 4, and the position of positioning rod 4 is correspondingly arranged with the position of positioning hole 3;

[0025] Specifically: when closing freeze-drying warehouse body 1, handle 7 is pushed to make warehouse cover 6 and warehouse mouth 2 embed, and make the positioning rod 4 on the warehouse cover 6 insert into the positioning hole 3 on the warehouse mouth 2, and the positioning effect of the warehouse cover 6 is achieved.

[0026] With reference to Figure 1 , Figure 2 and Figure 3 , sealing gasket 5 and rubber pad 13 are respectively installed on positioning rod 4 and warehouse cover 6 by adhesion connection, and the size of sealing gasket 5 is compatible with the size of positioning rod 4, and the size of rubber pad 13 is compatible with the size of warehouse cover 6;

[0027] Specifically: the sealing effect of warehouse mouth 2 is further strengthened by the mutual cooperation of rubber pad 13 and sealing gasket 5.

[0028] With reference to Figure 1 , Figure 2 and Figure 3 , the support 8 is provided with a threaded hole matched with the size of the screw rod 10, the top end of the screw rod 10 is fixedly connected with the rotating disc 9, and the bottom end of the screw rod 10 is rotatably connected with the pressing plate 11 through the threaded hole;

[0029] Specifically: the rotating disc 9 is rotated to rotate the screw rod 10, and the pressing plate 11 is vertically moved downward to press and fix the bin cover 6, thereby improving the sealing effect of the bin opening 2.

[0030] With reference to Figure 2 and Figure 4 , the rotating assembly 12 comprises a support disc 121, a limiting hole 122 is formed on one side of the top of the support disc 121, a limiting block 123 is arranged inside the limiting hole 122, a placing cylinder 124 is arranged on the top of the limiting block 123, a pull rod 125 is arranged inside and at the top of the placing cylinder 124, a rotating shaft 126 is arranged at the bottom of the support disc 121, a motor 127 is arranged at the bottom end of the rotating shaft 126, a positioning plate 128 is arranged on one side of the support disc 121, a sliding block 129 is arranged on one side of the positioning plate 128, and an annular groove 1210 is arranged on the outer surface of one side of the sliding block 129; the size of the limiting hole 122 is matched with the size of the limiting block 123, the limiting block 123 and the placing cylinder 124 are arranged in an integrated manner, there are four groups of limiting blocks 123, and the four groups of limiting blocks 123 are arranged in an annular array;

[0031] Specifically: the limiting block 123 on the placing cylinder 124 is embedded in the limiting hole 122 on the support disc 121 to support and limit the placing cylinder 124, thereby further improving the stability of the placing cylinder 124.

[0032] With reference to Figure 4 , the sliding block 129 is fixedly connected and installed on the positioning plate 128, the sliding block 129 is slidably connected with the inner wall of the annular groove 1210, and the positions of the positioning plate 128 and the placing cylinder 124 are correspondingly arranged;

[0033] Specifically: the positioning plate 128 is first arranged to position the placing cylinder 124, and then the positioning plate 128 connected with the sliding block 129 is supported and limited by the annular groove 1210, thereby improving the stability of the positioning plate 128 during rotation.

[0034] It should be noted that the motor 127 is well known or can be known to those skilled in the related technical field, and therefore will not be described here.

[0035] The working principle and use process of the utility model: when closing the freeze-drying bin body 1, first push the bin cover 6 and the bin mouth 2 embedding through the handle 7, and make the positioning rod 4 on the bin cover 6 insert into the positioning hole 3 on the bin mouth 2, the bin cover 6 is positioned, then rotate the turntable 9, make the screw rod 10 on the support 8 rotate, and then drive the compression plate 11 vertically downward to move to compress and fix the bin cover 6, improve the sealing effect of the bin mouth 2, finally through the mutual cooperation of the rubber pad 13 and the sealing pad 5, further strengthen the sealing effect of the bin mouth 2;

[0036] When vacuum freezing, first, the positioning plate 128 provided on the support disc 121 is used to position the placing cylinder 124, and at the same time, the limiting block 123 on the placing cylinder 124 is embedded with the limiting hole 122 on the support disc 121 to support and limit the placing cylinder 124, thereby further improving the stability of the placing cylinder 124, finally, the motor 127 in the rotating assembly 12 is started to drive the support disc 121 on the rotating shaft 126 to rotate along the annular groove 1210 on the freeze-drying bin body 1, so as to turn over the material in the placing cylinder 124, increase the contact area with the cold air, and make the article be more evenly frozen.

[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A leak-tight freeze-drying chamber for a vacuum freeze-drying machine, comprising a freeze-drying chamber body (1), characterized in that: The top of the freeze-drying warehouse body (1) is provided with a warehouse mouth (2), a positioning hole (3) is opened in the bottom of the inside of the warehouse mouth (2), a positioning rod (4) is arranged in the inside of the positioning hole (3), a sealing gasket (5) is arranged at the bottom of the positioning rod (4), a warehouse cover (6) is arranged at the top of the positioning rod (4), a rubber pad (13) is arranged at the bottom of the warehouse cover (6), a handle (7) is arranged at one side of the top of the warehouse cover (6), a support (8) is arranged at one side of the freeze-drying warehouse body (1) located in the warehouse mouth (2), a rotating disc (9) is arranged at one side of the top of the support (8), a screw rod (10) is arranged at the bottom of the rotating disc (9), a pressing plate (11) is arranged at the bottom end of the screw rod (10), and a rotating assembly (12) is arranged in the inside of the freeze-drying warehouse body (1).

2. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 1, characterized in that: The size of the warehouse mouth (2) is matched with the size of the warehouse cover (6), the warehouse cover (6) is integrally arranged with the positioning rod (4), and the positions of the positioning rod (4) and the positioning hole (3) are correspondingly arranged.

3. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 1, characterized in that: The sealing gasket (5) and the rubber pad (13) are respectively installed on the positioning rod (4) and the warehouse cover (6) through adhesive connection, the size of the sealing gasket (5) is matched with the size of the positioning rod (4), and the size of the rubber pad (13) is matched with the size of the warehouse cover (6).

4. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 1, characterized in that: Threaded holes matched with the size of the screw rod (10) are opened in the support (8), the top end of the screw rod (10) is fixedly connected with the rotating disc (9), and the bottom end of the screw rod (10) is rotatably connected with the pressing plate (11) penetrating through the threaded hole.

5. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 1, characterized in that: The rotating assembly (12) comprises a supporting disc (121), a limiting hole (122) is opened in one side of the top of the supporting disc (121), a limiting block (123) is arranged in the inside of the limiting hole (122), the top of the limiting block (123) is provided with a placing cylinder (124), a pull rod (125) is arranged at the inside top of the placing cylinder (124), a rotating shaft (126) is arranged in the middle of the bottom of the supporting disc (121), a motor (127) is arranged at the bottom end of the rotating shaft (126), a positioning plate (128) is arranged at one side of the supporting disc (121) located in the limiting hole (122), a sliding block (129) is arranged at one side of the positioning plate (128), and an annular groove (1210) is arranged on the outer surface of one side of the sliding block (129).

6. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 5, characterized in that: The size of the limiting hole (122) is matched with the size of the limiting block (123), the limiting block (123) is integrally arranged with the placing cylinder (124), and the number of the limiting block (123) is four groups, and the four groups of limiting blocks (123) are arranged in an annular array.

7. The leakproof freeze-drying chamber for a vacuum freeze-drying machine according to claim 5, characterized in that: The sliding block (129) is fixedly connected and installed on the positioning plate (128), the sliding block (129) is slidably connected with the inner wall of the annular groove (1210), and the positions of the positioning plate (128) and the placing cylinder (124) are correspondingly arranged.

Citation Information

Patent Citations

  • Freeze-drying bin for freeze dryer

    CN221505440U