A freeze-dryer that is easy to clean

Abstract

The utility model discloses a freeze drying machine convenient to clean, aims at providing a freeze drying machine convenient to clean, which is convenient to operate and has good use effect. It comprises: a host computer, the host computer top is provided with the mounting groove, a drying frame, the drying frame is inserted with the mounting groove, the drying frame is connected with the bracket, and the bracket is detachably installed with a plurality of trays, a drying cover, the drying cover is covered with the drying frame and is connected with the mounting groove, a cleaning group, the cleaning group is installed at the top of drying cover, the cleaning group is provided with telescopic telescopic pipe, the telescopic pipe is connected with the cleaning pump, and the telescopic pipe end is connected with rotatable cleaning head. The utility model has the advantages that: the telescopic telescopic pipe is arranged, and the cleaning head is driven to move from top to bottom, so that the drying cover is cleaned from top to bottom, and the cleaning range is more comprehensive. The cleaning head is rotatable, which can make the cleaning liquid rotate and spray, thereby improving the cleaning effect.

Description

Technical Field

[0001] This utility model relates to the technical field of dryers, and in particular to a freeze dryer that is easy to clean. Background Technology

[0002] Freeze-drying utilizes the principle of ice crystal sublimation. In a high vacuum environment, the moisture in frozen food materials is sublimated directly from the ice solid to vapor without melting the ice. In general, vacuum drying of materials involves converting the moisture in the liquid state to the gaseous state to dry the food. Therefore, freeze-drying is also known as freeze sublimation drying.

[0003] Freeze dryers are equipped with drying racks and drying hoods. After freeze drying is completed, the trays and dried products need to be removed, and the drying racks and drying hoods need to be cleaned. The existing freeze dryer cleaning operation is complicated and the cleaning effect is poor.

[0004] To improve the ease of cleaning, the existing structure needs to be improved to enhance its performance. Utility Model Content

[0005] The present invention aims to overcome the shortcomings of existing technologies, such as inconvenient cleaning and poor performance, and provides a freeze dryer that is easy to clean, has good cleaning effect, and is easy to use.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a freeze dryer that is easy to clean, comprising: The host unit has a mounting slot on its top. A drying rack is inserted into a mounting slot, and a bracket is connected to the drying rack. Several trays are detachably mounted on the bracket. A drying hood, which is snapped into and covers the drying rack and is also snapped into the mounting groove; The cleaning unit is installed on top of the drying hood. The cleaning unit is equipped with a telescopic tube, a cleaning pump is connected to the outside of the telescopic tube, and a rotatable cleaning head is connected to the end of the telescopic tube.

[0007] This freeze dryer includes a main unit, a drying rack, and a drying hood. The main unit is used for freezing and drying. A mounting slot is provided on the top of the main unit, and the drying rack is installed in the mounting slot. A bracket is connected to the drying rack, and several trays are installed on the bracket. These trays are detachably connected. The drying hood is snapped onto the mounting slot of the main unit, covering the drying rack and locking into it to improve the installation stability of the drying rack. The drying hood is made of transparent material, allowing for easy observation of the drying process inside, thus improving the effectiveness. A cleaning assembly is installed on the drying hood. This cleaning assembly includes a retractable tube connected to a cleaning pump. The cleaning pump injects cleaning fluid into the retractable tube. A cleaning head is connected to the end of the retractable tube. This cleaning head is rotatable, and the cleaning fluid is sprayed out as the cleaning head rotates. When cleaning after freeze-drying, the tray is removed, the cleaning pump starts working, injects cleaning fluid into the telescopic tube and sprays it out from the cleaning head. At the same time, due to the action of the telescopic tube, the cleaning head can be extended downward to clean the drying hood and drying rack from top to bottom, improving the cleaning effect.

[0008] Preferably, a connector is provided at the bottom of the mounting groove, and a plug-in post is provided at the bottom of the drying rack. The inner wall of the connector has several mounting holes, and a spring is installed in each mounting hole. A locking post is connected to the end of each spring, and several locking grooves are provided on the side wall of the plug-in post, with the locking post embedded in the locking grooves. Specifically, a connector is installed at the bottom of the mounting groove, and several mounting holes are provided on the inner wall of the connector. These mounting holes are arranged in a sealed layer and are equally spaced. A spring is installed inside each mounting hole, and a locking post is connected to the end of the spring. The end of the locking post is hemispherical and protrudes from the inner wall of the connector. A plug-in post is installed at the bottom of the drying rack, and several locking grooves are provided on the side wall of the plug-in post. These locking grooves are annular and arranged in layers. After the plug-in post is inserted into the connector, the locking post can be inserted into the locking groove. This structure ensures stable installation of the drying rack and improves its performance.

[0009] Preferably, the drying rack is provided with several columns forming a frame structure. The side walls of the columns are provided with disassembly grooves. The bracket has a V-shaped structure and a clearance hole in its center. Both ends of the bracket are flush with the lower surface of the disassembly grooves. The tray is mounted on the bracket with its sides embedded in the disassembly grooves. The drying rack consists of a frame structure formed by several columns, with disassembly grooves on the side walls of the columns. The tray can be embedded into the disassembly grooves during installation. The bracket has a V-shaped structure with flat ends, which facilitates stable installation of the tray. The clearance hole in the center of the bracket provides space for the cleaning head to extend downwards and allows cleaning fluid to flow down during cleaning, improving the cleaning effect and making the dryer easy to clean.

[0010] Preferably, the bracket has magnetic plates installed on both sides, and the tray has a magnetic suction plate underneath, with the magnetic plates and magnetic suction plate magnetically connected. Specifically, the magnetic plates on both sides of the bracket, combined with the magnetic suction plate underneath the tray, connect with the magnetic plates during tray installation, ensuring stable installation and guaranteeing the tray's stability on the drying rack during turnover and drying operations, thus ensuring optimal performance.

[0011] Preferably, a limiting groove is provided on the outer wall of the column, and a limiting strip is provided on the inner wall of the drying hood, with the limiting strip inserted into the limiting groove. Specifically, the limiting groove on the outer wall of the column and the limiting strip on the inner wall of the drying hood allow the limiting strip to be inserted into the limiting groove when the drying hood is installed in the mounting groove. This structure ensures stable installation of the drying rack after installation, thanks to the interlocking of the limiting strip and the limiting groove, thus improving the performance.

[0012] Preferably, the telescopic tube is provided with a mounting plate at its end, the mounting plate has a mounting cavity on its upper surface, a water inlet hole is provided on one side of the mounting plate, the cleaning head is provided with a water inlet groove, a spiral blade is installed on the bottom surface of the water inlet groove, a rotating shaft is installed on the top of the spiral blade, the rotating shaft is rotatably connected to the mounting plate and the end of the rotating shaft is placed in the mounting cavity. The device includes a mounting plate at the end of the telescopic tube, with a mounting cavity on its upper surface. A spiral blade is mounted on the bottom surface of the water inlet tank within the cleaning head. The spiral blade is arranged in a spiral configuration, and a rotating shaft is mounted on top of the spiral blade. This shaft is rotatably connected to the mounting plate via a bearing, with the top of the shaft embedded in the mounting cavity. A water inlet is located on one side of the mounting plate, communicating with the water inlet tank and positioned above the spiral blade. This mounting cavity structure ensures that the cleaning fluid entering through the telescopic tube does not contact the rotating shaft, while the cleaning fluid exiting through the water inlet can contact the spiral blade. This allows the spiral blade to rotate the cleaning head, enabling it to spray cleaning fluid into the drying hood, improving the cleaning effect and thus enhancing the overall performance of the dryer.

[0013] Preferably, the upper end of the sidewall of the cleaning head is rotatably connected to the end of the telescopic tube. The sidewall of the cleaning head is provided with a cleaning hole with a conical cross-section, and the cleaning hole communicates with the water inlet tank. Specifically, the upper end of the sidewall of the cleaning head is provided with a connection notch, and a corresponding connection notch is provided at the end of the telescopic tube. The two connection notches are staggered to achieve a closed connection between the cleaning head and the telescopic tube. Simultaneously, the cleaning hole, which is conical, is provided on the sidewall of the cleaning head and communicates with the water inlet tank. The cleaning liquid entering the water inlet tank can be discharged from the cleaning hole in a conical spray pattern. This structure of the cleaning head increases the area of ​​the cleaning liquid spray, thereby improving the cleaning effect and making the cleaning operation convenient and simple.

[0014] The beneficial effects of this utility model are: the drying rack has good installation stability; the tray has good installation stability, is easy to disassemble and install, and facilitates cleaning operations after drying; the retractable telescopic tube drives the cleaning head to move from top to bottom, so that the drying hood can be cleaned from top to bottom, making the cleaning range more comprehensive; the cleaning head can rotate, and this structure allows the cleaning liquid to be sprayed out in a rotating manner, thereby improving the cleaning effect, making cleaning convenient and effective. Attached Figure Description

[0015] Figure 1 This is a sectional view of the present invention; Figure 2 yes Figure 2 Enlarged view at point A in the middle; Figure 3 yes Figure 2 Enlarged view at point B in the middle.

[0016] In the attached diagram, 1. Main unit, 2. Drying rack, 3. Drying hood, 4. Tray, 5. Bracket, 6. Telescopic tube, 7. Cleaning head, 10. Mounting slot, 11. Insertion tube, 12. Mounting hole, 13. Spring, 14. Locking post, 15. Sealing ring, 16. Slot, 20. Insertion post, 21. Locking groove, 22. Column, 23. Disassembly slot, 24. Magnetic piece, 25. Limiting slot, 30. Limiting strip, 31. Insertion block, 40. Magnetic suction piece, 60. Mounting sealing plate, 61. Mounting cavity, 62. Water inlet, 70. Water inlet groove, 71. Spiral blade, 72. Rotating shaft, 73. Cleaning hole. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0018] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0019] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0020] Example 1, such as Figure 1-3 As shown, a freeze dryer that is easy to clean includes: a main unit 1, the top of which is provided with a mounting groove 10; a drying rack 2, which is inserted into the mounting groove 10, and a bracket 5 is connected to the drying rack 2, the bracket 5 being detachably mounted with several trays 4; a drying hood 3, which covers and snaps onto the drying rack 2 and is also snapped into the mounting groove 10; and a cleaning assembly, which is installed on top of the drying hood 3, the cleaning assembly being provided with a retractable telescopic tube 6, a cleaning pump being connected to the telescopic tube 6, and a rotatable cleaning head 7 being connected to the end of the telescopic tube 6.

[0021] The bottom of the mounting slot 10 is provided with a plug tube 11, the bottom of the drying rack 2 is provided with a plug post 20, the inner wall of the plug tube 11 is provided with a plurality of mounting holes 12, a spring 13 is installed in the mounting hole 12, the end of the spring 13 is connected to a locking post 14, the side wall of the plug post 20 is provided with a plurality of locking grooves 21, and the locking post 14 is embedded in the locking groove 21.

[0022] The drying rack 2 is provided with several columns 22, which form a frame structure. The side wall of the column 22 is provided with a disassembly groove 23. The bracket 5 has a V-shaped structure and a clearance hole 27 is provided in the middle of the bracket 5. The two ends of the bracket 5 are respectively flush with the lower surface of the disassembly groove 23. The tray 4 is installed on the bracket 5 and the side of the tray is embedded in the disassembly groove 23.

[0023] Magnets 24 are installed on both sides of the bracket 5, and a magnetic piece 40 is provided under the tray 4. The magnets 24 and the magnetic piece 40 are magnetically connected.

[0024] A limiting groove 25 is provided on the outer wall of the column 22, and a limiting strip 30 is provided on the inner wall of the drying hood 3. The limiting strip 30 is inserted into the limiting groove 25.

[0025] The telescopic tube 6 is provided with a mounting sealing plate 60 at its end. The mounting sealing plate 60 is provided with a mounting cavity 61 on its upper side. The mounting sealing plate 60 is provided with a water inlet hole 62 on one side. The cleaning head 7 is provided with a water inlet groove 70. A spiral blade 71 is installed on the bottom surface of the water inlet groove 70. A rotating shaft 72 is installed on the top of the spiral blade 71. The rotating shaft 72 is rotatably connected to the mounting sealing plate 60 and the end of the rotating shaft 72 is placed in the mounting cavity 61.

[0026] The upper end of the side wall of the cleaning head 7 is rotatably connected to the end of the telescopic tube 6. The side wall of the cleaning head 7 is provided with a cleaning hole 73 with a conical cross section, and the cleaning hole 73 is connected to the water inlet tank 70.

[0027] The working principle of this utility model is as follows: Figure 1-3 As shown, this freeze dryer includes a main unit 1, a drying rack 2, and a drying hood 3. The main unit 1 is used for freezing and drying. A mounting slot 10 is provided on the top of the main unit 1, and the drying rack 2 is installed in the mounting slot 10. A bracket 55 is connected to the drying rack 2, and several trays 4 are installed on the bracket 55. These trays 4 are detachably connected. The drying hood 3 is snapped onto the mounting slot 10 of the main unit 1, covering the drying rack 2 and engaging with it to improve the installation stability of the drying rack 2. The drying hood 3 is made of transparent material, allowing for easy observation of the drying process inside, thus improving the effectiveness. A cleaning assembly is installed on the drying hood 3, which includes a retractable telescopic tube 6. A cleaning pump is connected to the telescopic tube 6, injecting cleaning fluid into it. A cleaning head 7 is connected to the end of the telescopic tube 6, and this cleaning head 7 is rotatable, allowing the cleaning fluid to be sprayed out during rotation. When cleaning after freeze-drying, tray 4 is removed, and the cleaning pump starts working to inject cleaning fluid into the telescopic tube 6 and spray it out from the cleaning head 7. At the same time, due to the action of the telescopic tube 6, the cleaning head 7 can be driven to extend downward to clean the drying hood 3 and drying rack 2 from top to bottom, improving the cleaning effect.

[0028] The installation includes a connector 11 installed at the bottom of the mounting groove 10, with several mounting holes 12 on the inner wall of the connector 11. These mounting holes 12 are arranged in layers and at equal intervals. A spring 13 is installed inside each mounting hole 12, and a locking post 14 is connected to the end of the spring 13. The end of the locking post 14 is hemispherical and protrudes from the inner wall of the connector 11. A plug-in post 20 is installed at the bottom of the drying rack 2. Several slots 21 are provided on the side wall of the plug-in post 20. These slots 21 are annular and arranged in layers. After the plug-in post 20 is inserted into the connector 11, the locking post 14 can be inserted into the slot 21. This structure ensures the stable installation of the drying rack 2 and improves its performance.

[0029] The drying rack 2 is a frame structure composed of several columns 22. A disassembly groove 23 is provided on the side wall of the column 22. The tray 4 can be embedded into the disassembly groove 23 during installation. The bracket 55 has a V-shaped structure and both ends of the bracket 55 are flat. This structure facilitates the stable installation of the tray 4. At the same time, a clearance hole 27 is provided in the middle of the bracket 55. The clearance hole 27 is used to provide space when the cleaning head 7 extends downward. In addition, the clearance hole 27 allows the cleaning liquid to flow down from the clearance hole 27 during cleaning, improving the cleaning effect and making the dryer easy to clean.

[0030] Among them, magnetic pieces 24 are installed on both sides of the bracket 55. When the tray 4 is installed, the magnetic piece set under the tray 4 is connected to the magnetic piece 24 through magnetic attraction, ensuring that the tray 4 is installed stably after installation. This ensures that the tray 4 can be stably installed on the drying rack 2 during turnover and drying operations, thus ensuring good performance.

[0031] The column 22 has a limiting groove 25 on its outer side wall and a limiting strip 30 on its inner wall. When the drying hood 3 is installed in the mounting groove 10, the limiting strip 30 can be inserted into the limiting groove 25. This structure ensures that after the drying hood 3 is installed, the drying rack 2 is installed stably through the snap-fit ​​between the limiting strip 30 and the limiting groove 25, thus improving the performance.

[0032] The system includes a mounting plate 60 at the end of the telescopic tube 6, with a mounting cavity 61 on its upper surface. A spiral blade 71 is mounted on the bottom surface of the water inlet trough 70 in the cleaning head 7, arranged in a spiral configuration. A rotating shaft 72 is mounted on the top of the spiral blade 71, rotatably connected to the mounting plate 60 via a bearing. The top of the rotating shaft 72 is embedded in the mounting cavity 61. A water inlet hole 62 is located on one side of the mounting plate 60, communicating with the water inlet trough 70 and positioned above the spiral blade 71. The mounting cavity 61 structure ensures that the cleaning fluid entering from the telescopic tube 6 does not contact the rotating shaft 72, while the cleaning fluid exiting from the water inlet hole 62 can contact the spiral blade 71. This allows the spiral blade 71 to rotate the cleaning head 7, enabling it to spray cleaning fluid into the drying hood 3, improving the cleaning effect and thus enhancing the overall performance of the dryer.

[0033] The cleaning head 7 has a connection notch on its upper side wall, and a corresponding connection notch is provided at the end of the telescopic tube 6. The two connection notches are staggered to form a closed connection between the cleaning head 7 and the telescopic tube 6. The cleaning head 7 has a cleaning hole 73 on its side wall. The cleaning hole 73 is conical and communicates with the water inlet tank 70. The cleaning liquid entering the water inlet tank 70 can be discharged from the cleaning hole 73 in a conical shape. The structure of the cleaning head 7 can increase the area of ​​the cleaning liquid spray, thereby improving the cleaning effect and making the cleaning operation convenient and simple.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A freeze dryer that is easy to clean, characterized in that, include: The host (1) has a mounting slot (10) on its top. A drying rack (2) is inserted into a mounting groove (10). A bracket (5) is connected to the drying rack (2). Several trays (4) are detachably mounted on the bracket (5). Drying hood (3), which covers and engages with drying rack (2) and mounting groove (10); The cleaning unit is installed on top of the drying hood (3). The cleaning unit is equipped with a telescopic tube (6). A cleaning pump is connected to the telescopic tube (6). A rotatable cleaning head (7) is connected to the end of the telescopic tube (6).

2. The easy-to-clean freeze dryer according to claim 1, characterized in that, The bottom of the mounting groove (10) is provided with a plug tube (11), the bottom of the drying rack (2) is provided with a plug post (20), the inner wall of the plug tube (11) is provided with a plurality of mounting holes (12), a spring (13) is installed in the mounting hole (12), the end of the spring (13) is connected to a locking post (14), the side wall of the plug post (20) is provided with a plurality of locking grooves (21), and the locking post (14) is embedded in the locking groove (21).

3. The easy-to-clean freeze dryer according to claim 1, characterized in that, The drying rack (2) is provided with several columns (22), which form a frame structure. The side wall of the column (22) is provided with a disassembly groove (23). The bracket (5) is a V-shaped structure. The bracket (5) is provided with a clearance hole (27) in the middle. The two ends of the bracket (5) are respectively flush with the lower surface of the disassembly groove (23). The tray (4) is installed on the bracket (5) and the side of the tray is embedded in the disassembly groove (23).

4. The easy-to-clean freeze dryer according to claim 3, characterized in that, The bracket (5) is equipped with magnet pieces (24) on both sides, and a magnetic piece (40) is provided under the tray (4). The magnet pieces (24) and the magnetic piece (40) are magnetically connected.

5. A freeze dryer that is easy to clean according to claim 3, characterized in that, The outer wall of the column (22) is provided with a limiting groove (25), and the inner wall of the drying hood (3) is provided with a limiting strip (30), which is inserted into the limiting groove (25).

6. The freeze dryer for easy cleaning according to claim 1, characterized in that, The telescopic tube (6) is provided with an installation sealing plate (60) at its end. An installation cavity (61) is provided on the upper side of the installation sealing plate (60). A water inlet hole (62) is provided on one side of the installation sealing plate (60). The cleaning head (7) is provided with a water inlet groove (70). A spiral blade (71) is installed on the bottom surface of the water inlet groove (70). A rotating shaft (72) is installed on the top of the spiral blade (71). The rotating shaft (72) is rotatably connected to the installation sealing plate (60) and the end of the rotating shaft (72) is placed in the installation cavity (61).

7. A freeze dryer that is easy to clean according to claim 6, characterized in that, The upper end of the side wall of the cleaning head (7) is rotatably connected to the end of the telescopic tube (6). The side wall of the cleaning head (7) is provided with a cleaning hole (73) with a conical cross section. The cleaning hole (73) is connected to the water inlet tank (70).

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