Freeze-drying bin sealing protection device

Abstract

The utility model relates to the technical field of freeze-drying bins, in particular to a freeze-drying bin sealing protection device which comprises a freeze-drying bin body, a sealing door frame is fixedly connected to the front side of the freeze-drying bin body, and a sealing mechanism is arranged on the inner side of the sealing door frame. The sealing mechanism comprises a first sealing strip, a first connecting block, a second connecting block, a sealing door body, a first abutting block, a locking bolt, a locking block, a threaded rod and a second abutting block, the sealing door body is arranged in the sealing door frame, the first sealing strip is fixedly connected with the inner wall of the sealing door frame, and the rear side surface of the sealing door body is fixedly connected with a second sealing strip; the second sealing strip abuts against the first sealing strip. The sealing door body is clamped in the sealing door frame, the threaded rod is rotated to push the second abutting block to the rear side, the sealing door body is pushed to the rear side through the first abutting block, the first sealing strip and the second sealing strip are tightly attached, and the sealing performance of the freeze-drying bin is effectively improved while the sealing door body is locked.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze-drying bins, in particular to a freeze-drying bin sealing and protection device. Background Art

[0002] Vacuum freeze-drying technology is widely used in fields other than medicine, biological products, food, blood products, and active substances. The basic principle of freeze-drying is based on the three-state change of water.

[0003] Among them, announcement number CN220689553U discloses a high-sealing freeze dryer, comprising a freeze dryer body with a freeze drying bin provided therein, a door slot connected to the freeze drying bin provided on one side of the freeze dryer body, a connecting frame arranged in the door slot, an end of the connecting frame away from the freeze dryer body can be detachably mounted with a body door frame, a chamber one is centrally arranged on a side of the body door frame facing the connecting frame, a pressure-bearing spring one is fixedly mounted in an equidistant array on the bottom wall of the chamber one, one end of the pressure-bearing spring one is fixedly connected with a sealing structure one movably mounted in the chamber one, a chamber two is centrally arranged on a side of the connecting frame facing the body door frame, a pressure-bearing spring two is fixedly mounted in an equidistant array on the bottom wall of the chamber two, one end of the pressure-bearing spring two is fixedly connected with a sealing structure two movably mounted in the chamber two and abutting against the sealing structure one for sealing, the high-sealing freeze dryer has a reasonable structure, is conducive to improving the sealing effect of the freeze dryer, and has strong practicality.

[0004] During use of the device, the two sets of sealing structures are pushed toward each other by two sets of springs, so that the two sets of sealing structures abut against each other to seal the warehouse door. However, since the warehouse door needs to be opened and closed frequently during the product production process, the springs will become fatigued during long-term use, and their elastic effect will be reduced, which will lead to a decrease in the sealing of the warehouse door.

[0005] Therefore, it is necessary to invent a freeze-drying chamber sealing protection device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a freeze-drying bin sealing protection device to solve the problem that due to the need to frequently open and close the bin door during the product production process, the spring will become fatigued and its elastic effect will be reduced during long-term use, thereby reducing the sealing of the bin door.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a freeze-drying bin sealing and protection device, comprising a freeze-drying bin body, a sealing door frame is fixedly connected to the front side of the freeze-drying bin body, a sealing mechanism is arranged on the inner side of the sealing door frame, the sealing mechanism comprises a first sealing strip, a first connecting block, a second connecting block, a sealing door body, a first abutting block, a locking bolt, a locking block, a threaded rod and a second abutting block, the sealing door body is arranged inside the sealing door frame, the first sealing strip is fixedly connected to the inner wall of the sealing door frame, the rear side surface of the sealing door body is fixedly connected to the second sealing strip, and the second sealing strip abuts against the first sealing strip.

[0008] By adopting the above technical solution, the sealing door body is clamped inside the sealing door frame, so that the first sealing strip abuts against the second sealing strip, and then the threaded rod is rotated to push the second abutting block toward the rear side, thereby squeezing the first abutting block, thereby pushing the sealing door body toward the rear side, so that the first sealing strip and the second sealing strip fit tightly, thereby effectively improving the sealing of the freeze-drying chamber, and locking the sealing door body at the same time.

[0009] Optionally, three groups of positioning columns are fixedly connected to the front surface of the sealed door frame near the left end, positioning holes are opened inside the three groups of positioning columns, positioning rods are slidably connected inside the positioning holes, and the front end of the positioning rods is fixedly connected to the first rotating block.

[0010] By adopting the above technical solution, the positioning rod slides back and forth inside the positioning hole.

[0011] Optionally, three groups of connecting plates are fixedly connected to the front surface of the sealing door body near the left end, and the front end of the connecting plate is fixedly connected to a second rotating block, and the second rotating block is rotatably connected to the first rotating block.

[0012] By adopting the above technical solution, the second rotating block rotates around the first rotating block, thereby causing the sealing door body to rotate around the first rotating block.

[0013] Optionally, a transparent door panel is fixedly connected to the interior of the sealed door body near the rear side, four groups of support columns are fixedly connected to the interior of the transparent door panel near the front side, and the first abutment block is fixedly connected to the connection between the four groups of support columns.

[0014] By adopting the above technical solution, the transparent door panel is made of acrylic material, has good light transmittance and corrosion resistance, and is light in weight.

[0015] Optionally, two groups of first connecting blocks are fixedly connected to the right side of the front surface of the sealing door frame and the right side of the front surface of the freeze-drying chamber body, and positioning grooves are provided near the front end of the four groups of first connecting blocks.

[0016] Optionally, two groups of second connection blocks are fixedly connected to the left side of the front surface of the sealed door frame, and the second connection blocks are provided with plug-in grooves near the front end.

[0017] Optionally, a clamping groove is provided on the surface of the locking bolt, the locking bolt is slidably connected to the positioning groove, and the left end of the locking bolt is slidably connected to the plug-in groove.

[0018] By adopting the above technical solution, the locking bolt is clamped between the four groups of first connecting blocks through the positioning groove and slides left and right between the four groups of first connecting blocks. When locking the sealed door body, the locking bolt is slid to the left so that the left end of the locking bolt is inserted into the inside of the positioning groove.

[0019] Optionally, the locking block is fixedly connected to the middle part of the locking bolt, the threaded rod is threadedly connected to the middle part of the locking block, the second abutment block is threadedly connected to the rear end of the threaded rod, the second abutment block abuts against the first abutment block, and the front end of the threaded rod is fixedly connected with a handwheel.

[0020] By adopting the above technical solution, the threaded rod is rotated to push the second abutment block backward so that the second abutment block is tightly abutted against the first abutment block, and the sealing door body is pushed backward through the first abutment block so that the first sealing strip is tightly abutted against the second sealing strip.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] The utility model clamps the sealing door body inside the sealing door frame so that the first sealing strip abuts against the second sealing strip, and then rotates the threaded rod to push the second abutting block toward the rear side, thereby squeezing the first abutting block, thereby pushing the sealing door body toward the rear side, so that the first sealing strip and the second sealing strip fit tightly, thereby effectively improving the sealing of the freeze-drying bin and locking the sealing door body at the same time, solving the problem that due to the frequent opening and closing of the bin door during the product production process, the spring will become fatigued and its elastic effect will be reduced during long-term use, thereby leading to reduced sealing of the bin door. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the sealing door structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the sealed door frame structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the locking bolt structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the locking block structure of the utility model.

[0028] Description of reference numerals:

[0029] 1. Freeze-drying chamber body; 2. Sealing door frame; 21. First sealing strip; 22. First connecting block; 23. Positioning groove; 24. Second connecting block; 25. Plug-in groove; 26. Positioning column; 27. Positioning hole; 28. Positioning rod; 29. ​​First rotating block; 3. Sealing door body; 31. Support column; 32. First abutting block; 33. Transparent door panel; 34. Connecting plate; 35. Second rotating block; 4. Locking bolt; 41. Snap-in groove; 42. Locking block; 43. Threaded rod; 44. Second abutting block; 45. Handwheel. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] The utility model provides Figures 1 to 3 A freeze-drying bin sealing protection device shown in the figure includes a freeze-drying bin body 1, a sealing door frame 2 is fixedly connected to the front side of the freeze-drying bin body 1, a sealing mechanism is arranged on the inner side of the sealing door frame 2, the sealing mechanism includes a first sealing strip 21, a first connecting block 22, a second connecting block 24, a sealing door body 3, a first abutting block 32, a locking bolt 4, a locking block 42, a threaded rod 43 and a second abutting block 44, the sealing door body 3 is arranged inside the sealing door frame 2, the first sealing strip 21 is fixedly connected to the inner wall of the sealing door frame 2, the rear side surface of the sealing door body 3 is fixedly connected to the second sealing strip, the second sealing strip abuts against the first sealing strip 21, and the front side surface of the sealing door frame 2 is close to the left end Three groups of positioning columns 26 are fixedly connected, and positioning holes 27 are opened inside the three groups of positioning columns 26. Positioning rods 28 are slidably connected inside the positioning holes 27, and the front end of the positioning rod 28 is fixedly connected to the first rotating block 29. Three groups of connecting plates 34 are fixedly connected to the front surface of the sealed door body 3 near the left end, and the front end of the connecting plate 34 is fixedly connected to the second rotating block 35, and the second rotating block 35 is rotatably connected to the first rotating block 29. A transparent door panel 33 is fixedly connected to the inside of the sealed door body 3 near the rear side, and four groups of supporting columns 31 are fixedly connected to the inside of the transparent door panel 33 near the front side, and the first abutment block 32 is fixedly connected to the connection between the four groups of supporting columns 31.

[0032] In the process of using the equipment, the sealing door body 3 is rotated to the front side of the sealing door frame 2, and then the sealing door body 3 is pushed backward. At this time, the positioning rod 28 slides backward inside the positioning hole 27, and the sealing door body 3 is pushed into the inside of the sealing door frame 2, so that the first sealing strip 21 and the second sealing strip abut against each other, and then the locking bolt 4 is slid to the front side of the sealing door body 3, and the threaded rod 43 is rotated to push the sealing door body 3 backward, so that the first sealing strip 21 and the second sealing strip are closely fitted, and the sealing door body 3 is locked at the same time, thereby effectively improving the sealing of the freeze-drying chamber.

[0033] See also Figures 3 to 5 Two groups of first connecting blocks 22 are fixedly connected to the right side of the front surface of the sealing door frame 2 and the right side of the front surface of the freeze-drying chamber body 1. Positioning grooves 23 are provided near the front end of the four groups of first connecting blocks 22. Two groups of second connecting blocks 24 are fixedly connected to the left side of the front surface of the sealing door frame 2. The second connecting blocks 24 are provided with plugging grooves 25 near the front end. A clamping groove 41 is provided on the surface of the locking bolt 4. The locking bolt 4 is slidably connected to the positioning groove 23. The left end of the locking bolt 4 is slidably connected to the plugging groove 25. The locking block 42 is fixedly connected to the middle part of the locking bolt 4. The threaded rod 43 is threadedly connected to the middle part of the locking block 42. The second abutting block 44 is threadedly connected to the rear end of the threaded rod 43. The second abutting block 44 abuts against the first abutting block 32. The front end of the threaded rod 43 is fixedly connected with a hand wheel 45.

[0034] Specifically, when locking the sealing door body 3, the locking bolt 4 is slid to the left end on the inner side of the four groups of first connecting blocks 22, and the left end of the locking bolt 4 is inserted into the inside of the plug-in slot 25 to fix the position of the locking bolt 4. At this time, the second abutment block 44 is located on the front side of the first abutment block 32. Next, the threaded rod 43 is rotated to push the second abutment block 44 backward, and then the sealing door body 3 is pushed backward through the first abutment block 32 to lock the sealing door body 3. At the same time, the first sealing strip 21 and the second sealing strip are squeezed to make them fit tightly.

[0035] The working principle of the utility model is as follows: the sealing door body 3 is clamped inside the sealing door frame 2, so that the first sealing strip 21 abuts against the second sealing strip, and then the threaded rod 43 is rotated to push the second abutting block 44 toward the rear side, thereby squeezing the first abutting block 32, thereby pushing the sealing door 3 toward the rear side, so that the first sealing strip 21 fits tightly against the second sealing strip, thereby effectively improving the sealing of the freeze-drying chamber, and locking the sealing door body at the same time.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A freeze-drying chamber sealing and protection device, comprising a freeze-drying chamber body (1), characterized in that: The front side of the freeze-drying chamber body (1) is fixedly connected to a sealing door frame (2), and the inner side of the sealing door frame (2) is provided with a sealing mechanism, which comprises a first sealing strip (21), a first connecting block (22), a second connecting block (24), a sealing door body (3), a first abutting block (32), a locking bolt (4), a locking block (42), a threaded rod (43) and a second abutting block (44). The sealing door body (3) is arranged inside the sealing door frame (2), the first sealing strip (21) is fixedly connected to the inner wall of the sealing door frame (2), and the rear side surface of the sealing door body (3) is fixedly connected to a second sealing strip, and the second sealing strip abuts against the first sealing strip (21).

2. A freeze-drying chamber sealing and protection device according to claim 1, characterized in that: Three groups of positioning columns (26) are fixedly connected to the front surface of the sealed door frame (2) near the left end, and positioning holes (27) are provided inside the three groups of positioning columns (26). Positioning rods (28) are slidably connected inside the positioning holes (27), and a first rotating block (29) is fixedly connected to the front end of the positioning rods (28).

3. A freeze-drying chamber sealing and protection device according to claim 2, characterized in that: Three groups of connecting plates (34) are fixedly connected to the front surface of the sealing door body (3) near the left end, and a second rotating block (35) is fixedly connected to the front end of the connecting plate (34), and the second rotating block (35) is rotatably connected to the first rotating block (29).

4. A freeze-drying chamber sealing and protection device according to claim 1, characterized in that: A transparent door panel (33) is fixedly connected to the interior of the sealed door body (3) near the rear side, four groups of support columns (31) are fixedly connected to the interior of the transparent door panel (33) near the front side, and the first abutment block (32) is fixedly connected to the connection between the four groups of support columns (31).

5. A freeze-drying chamber sealing and protection device according to claim 1, characterized in that: Two groups of first connection blocks (22) are fixedly connected at the right side of the front surface of the sealing door frame (2) and the right side of the front surface of the freeze-drying chamber body (1), and positioning grooves (23) are provided near the front ends of the four groups of first connection blocks (22).

6. A freeze-drying chamber sealing and protection device according to claim 5, characterized in that: Two groups of second connection blocks (24) are fixedly connected to the left side of the front surface of the sealed door frame (2), and the second connection blocks (24) are each provided with a plug-in slot (25) near the front end.

7. A freeze-drying chamber sealing and protection device according to claim 6, characterized in that: A clamping groove (41) is provided on the surface of the locking bolt (4), the locking bolt (4) is slidably connected to the positioning groove (23), and the left end of the locking bolt (4) is slidably connected to the plugging groove (25).

8. A freeze-drying chamber sealing and protection device according to claim 1, characterized in that: The locking block (42) is fixedly connected to the middle part of the locking bolt (4), the threaded rod (43) is threadedly connected to the middle part of the locking block (42), the second abutting block (44) is threadedly connected to the rear end of the threaded rod (43), the second abutting block (44) abuts against the first abutting block (32), and the front end of the threaded rod (43) is fixedly connected to a hand wheel (45).

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