Laminar flow gas guiding device of freeze dryer

Abstract

The utility model discloses a freeze dryer laminar flow gas guiding device which comprises a large door, a small door and a guiding mechanism, the large door and the small door are both installed on a freeze dryer body, a backflow port is formed in the middle of the large door, the guiding mechanism comprises cover plates and main glass, the two sides of the main glass are respectively connected with one cover plate, the two cover plates are both connected with the large door, and the large door is connected with the small door. The main glass cover is arranged on the large door, and the two cover plates are located on the left side and the right side of the small door respectively. The utility model belongs to the technical field of flow guiding devices, and aims to solve the problem that a small door part cannot be kept in a microenvironment in which the temperature, the humidity and the airflow state basically have no obvious fluctuation in the prior art. The technical effects are achieved as follows: the two cover plates are respectively positioned on the left side and the right side of the small door and are matched with the main glass, so that laminar gas near the small door is guided to ensure that the position of the small door is in a microenvironment in which the temperature, the humidity and the gas flow state are basically in a non-significant fluctuation state, and the stability of feeding and discharging is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flow guide device technical field, concretely relates to a freeze dryer laminar flow gas flow guide device. BACKGROUND

[0002] The freeze dryer is used for sublimation drying of water-containing substances under vacuum. It is mainly used in the fields of medicine, chemical industry, food, scientific research, etc. The water-containing substances mainly include medical products, blood products, biological reagents and active substances, etc. Before entering the freeze dryer for drying, these substances need to be subjected to sterile filtration, filling, semi-closing, etc. in a clean area or a related isolation device, and then the filled vials are placed on the plate layer of the freeze dryer through the feeding door or the box door of the freeze dryer for freeze drying and clogging, and after drying, the vials are discharged into the subsequent processes of cap rolling, sterilization and packaging, etc.

[0003] At present, the existing feeding modes of the freeze dryer mainly include manual feeding and automatic feeding. In the manual feeding process, the feeding tray is placed on the plate layer of the freeze dryer manually without the aid of any isolator and transmission mechanism. In comparison, the environment near the feeding and discharging area is unstable, the feeding and discharging efficiency is low, and the risk of contamination of the products is high.

[0004] In the automatic feeding, the feeding door of the freeze dryer is on the main door. With the movement of the feeding car, the feeding system directly enters the feeding door and is connected with the plate layer without a bridge plate. Still, it cannot guarantee that the part of the door is in a microenvironment with a temperature, humidity and airflow state that has no significant fluctuation, thereby indirectly reducing the efficiency of feeding and discharging and increasing the risk of contamination of the products. SUMMARY

[0005] Therefore, the utility model provides a freeze dryer laminar flow gas flow guide device to solve the above problems in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] According to the first aspect of the utility model, the freeze dryer laminar flow gas flow guide device comprises a main door and a small door, the main door and the small door are both installed on the freeze dryer body, a reflux port is formed in the middle part of the main door, in addition, it further comprises a flow guide mechanism, the flow guide mechanism comprises a cover plate and a main glass, one cover plate is connected to each side of the main glass, the two cover plates are both connected with the main door, the main glass is covered on the main door, and the two cover plates are respectively located on the left and right sides of the small door.

[0008] Further, the flow guide mechanism further comprises a limiting plate, each cover plate is connected with the main door through at least one limiting plate.

[0009] Further, each cover plate comprises a plate body and a light curtain plate, and the left and right sides of the main glass are respectively connected with a plate body, and each plate body is provided with a light curtain plate, and the two light curtain plates are respectively opposite to the left and right sides of the small door.

[0010] Further, each cover plate further comprises a maintenance cover plate, and each plate body is rotatably connected with a maintenance cover plate, and the two maintenance cover plates are located on the sides of the two light curtain plates away from the main glass.

[0011] Further, each cover plate further comprises a side fixing frame, and each plate body is connected with the door through a side fixing frame.

[0012] Further, the cover plate further comprises a hinge, and each cover plate is rotatably connected with the plate body through the hinge.

[0013] Further, each light curtain plate comprises a glass plate, a plastic plate, a guide rail and a rubber plate, the glass plate is detachably connected with the plate body, the surface of the glass plate is provided with the plastic plate and the guide rail at intervals, the guide rail and the plastic plate are abutted with the small door, and the rubber plate is inserted on the guide rail.

[0014] Further, the glass plate is provided with a perspective hole, and the rubber plate is used for plugging the perspective hole.

[0015] Further, the rubber plate is provided with a wire hole, and the glass plate is also provided with a wire hole, and the wire hole of the glass plate and the wire hole of the rubber plate are communicated with each other.

[0016] Further, the plate body is also provided with a through hole.

[0017] The utility model has the advantages that: through the cooperation of the two cover plates located on the left and right sides of the small door and the main glass, the laminar flow gas near the small door is guided to ensure that the position of the small door is in a temperature, humidity and airflow state which is basically in a micro environment without significant fluctuation, thereby ensuring the stability of the in-out material. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creative labor.

[0019] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions for the implementation of the utility model, so they do not have substantial technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 The first view of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0021] Figure 2 The cross-sectional view of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0022] Figure 3 The structure schematic view of the flow guide mechanism of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0023] Figure 4 The first view of the cover plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0024] Figure 5 The second view of the cover plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0025] Figure 6 The third view of the cover plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0026] Figure 7 The structure schematic view of the maintenance cover plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0027] Figure 8 The perspective view of the light curtain plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0028] Figure 9 The plan view of the light curtain plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0029] Figure 10 The plan view of the rubber plate of the freeze dryer laminar flow gas flow guide device provided by some embodiments of the utility model.

[0030] In the diagram: 1. Freeze dryer body; 11. Return port; 2. Flow guiding mechanism; 21. Cover plate; 211. Plate body; 212. Side fixing bracket; 213. Maintenance cover plate; 214. Hinge; 216. Through hole; 217. Light curtain plate; 2171. Glass plate; 2172. Plastic plate; 2173. Rubber plate; 2174. Guide rail; 2175. Viewing port; 2176. Cable hole; 23. Main glass; 25. Limiting plate; 26. Connecting screw; 3. Main door; 4. Small door. Detailed Implementation

[0031] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] like Figures 1 to 10 As shown, a laminar flow gas guiding device for a freeze dryer according to the first aspect of this utility model includes a large door 3 and a small door 4. Both the large door 3 and the small door 4 are installed on the freeze dryer body 1. A return port 11 is opened in the middle of the large door 3. In addition, it also includes a guiding mechanism 2. The guiding mechanism 2 includes a cover plate 21 and a main glass 23. A cover plate 21 is connected to each side of the main glass 23. Both cover plates 21 are connected to the large door 3. The main glass 23 covers the large door 3. The two cover plates 21 are located on the left and right sides of the small door 4, respectively.

[0033] In the above embodiments, it should be noted that a connecting screw 26 is also included. The main glass 23 and the cover plate 21 are connected by a connecting screw 26. Rubber pads are provided between the connecting screw 26 and the main glass 23, as well as between the main glass and the cover plate.

[0034] The technical effect achieved by the above embodiment is that by setting the two cover plates 21 on the left and right sides of the small door 4 respectively in conjunction with the main glass 23, the laminar gas near the small door 3 is guided to ensure that the position of the small door 3 is in a microenvironment where the temperature, humidity and airflow are basically stable, thereby ensuring the stability of material feeding and discharging.

[0035] Optional, such as Figures 1 to 10 As shown, in some embodiments, the flow guiding mechanism 2 further includes a limiting plate 25, and each cover plate 21 is connected to the gate 3 through at least one limiting plate 25.

[0036] Optional, such as Figures 1 to 10As shown in the drawings, in some embodiments, each cover plate 21 comprises a plate body 211 and a light curtain plate 217, and one plate body 211 is connected to the left and right sides of the main glass 23 respectively, and one light curtain plate 217 is arranged on each plate body 211, and the two light curtain plates 217 are respectively opposite to the left and right sides of the small door 4.

[0037] Each cover plate 21 further comprises a maintenance cover plate 213, and one maintenance cover plate 213 is rotatably connected to each plate body 211 and located on the side of the two light curtain plates 217 away from the main glass 23.

[0038] In the above optional embodiments, it should be noted that the maintenance cover plate 213 is rotatably connected to the corresponding light curtain plate 217 through a hinge.

[0039] The above optional embodiments have the beneficial effect that the maintenance cover plate 213 is arranged to realize the maintenance of the cover plate 21 and the wire and other components, without the need to adjust the position of the cover plate 21 as a whole, which is more convenient.

[0040] Optionally, as shown in the drawings, Figures 1 to 10 As shown in the drawings, in some embodiments, each cover plate 21 further comprises a side fixing frame 212, and each plate body 211 is connected to the main door 3 through a side fixing frame 212.

[0041] In the above optional embodiments, it should be noted that the upper end and the lower end of each side fixing frame 212 are connected to one limiting plate 25 through screwing respectively.

[0042] Optionally, as shown in the drawings, Figures 1 to 10 As shown in the drawings, in some embodiments, the cover plate 21 further comprises a hinge 214, and each cover plate is rotatably connected to the plate body 211 through the hinge 214.

[0043] Optionally, as shown in the drawings, Figures 1 to 10 As shown in the drawings, in some embodiments, each light curtain plate 217 comprises a glass plate 2171, a plastic plate 2172, a guide rail 2174 and a rubber plate 2173, the glass plate 2171 is detachably connected to the plate body 211, the surface of the glass plate 2171 is arranged with the plastic plate 2172 and the guide rail 2174 at intervals, the guide rail 2174 and the plastic plate 2172 are in abutment with the small door 4, and the rubber plate 2173 is inserted on the guide rail 2174.

[0044] In the above optional embodiments, it should be noted that the plastic plate 2172 is provided with a silica gel sealing plate, the silica gel sealing plate is in abutment with the small door 3, and the silica gel sealing plate can move with the small door 3 when the small door 3 moves up and down.

[0045] The optional embodiment has the beneficial effect that the light curtain can ensure that the light energy can pass through the cover plate 21, thereby ensuring the use effect.

[0046] Optionally, as shown in Figures 1 to 10 In some embodiments, the glass plate 2171 is provided with a perspective opening 2175, and the rubber plate 2173 is used to block the perspective opening 2175.

[0047] Optionally, as shown in Figures 1 to 10 In some embodiments, the rubber plate 2173 is provided with a wire hole 2176, and the glass plate 2171 is also provided with the wire hole 2176, and the wire hole 2176 on the glass plate 2171 and the wire hole 2176 on the rubber plate 2173 are in communication with each other.

[0048] The optional embodiment has the beneficial effect that the power line and the like can pass through the wire hole 2176, thereby ensuring the sealing effect and realizing the reliable work of the power line and the like.

[0049] Optionally, as shown in Figures 1 to 10 In some embodiments, the plate body 211 is also provided with a through hole 216.

[0050] The optional embodiment has the beneficial effect that the through hole 216 can further realize the guiding of the laminar flow gas, thereby ensuring the use effect of the device.

[0051] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

[0052] The terms such as "up", "down", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.

Claims

1. A freeze dryer laminar flow gas guide device, comprising a large door (3) and a small door (4), the large door (3) and the small door (4) are both installed on a freeze dryer body (1), a middle part of the large door (3) is provided with a backflow port (11), characterized in that, It also comprises a flow guide mechanism (2), which comprises cover plates (21) and a main glass (23), both sides of the main glass (23) are connected with one cover plate (21), both cover plates (21) are connected with the big door (3), the main glass (23) covers the big door (3), and both cover plates (21) are located on the left and right sides of the small door (4).

2. The freeze-dryer laminar flow gas guide according to claim 1, wherein, The flow guide mechanism (2) further comprises limiting plates (25), each cover plate (21) is connected with the big door (3) through at least one limiting plate (25).

3. The freeze-drier laminar flow gas guide according to claim 1, wherein, Each cover plate (21) comprises a plate body (211) and a light curtain plate (217), both sides of the main glass (23) are connected with one plate body (211), each plate body (211) is provided with one light curtain plate (217), and both light curtain plates (217) are opposite to the left and right sides of the small door (4).

4. The freeze dryer laminar flow gas flow guide according to claim 3, wherein, Each cover plate (21) further comprises a maintenance cover plate (213), each plate body (211) is rotatably connected with one maintenance cover plate (213), and both maintenance cover plates (213) are located on the sides of both light curtain plates (217) away from the main glass (23).

5. The laminar flow gas guide for a freeze dryer as claimed in claim 4, wherein Each cover plate (21) further comprises a side fixing frame (212), and each plate body (211) is connected with the big door (3) through one side fixing frame (212).

6. The lyophilizer laminar flow gas guide device according to claim 5, wherein The cover plate (21) further comprises a hinge (214), and each cover plate is rotatably connected with the plate body (211) through the hinge (214).

7. The freeze-drier laminar flow gas guide according to claim 3, wherein Each light curtain plate (217) comprises a glass plate (2171), a plastic plate (2172), a guide rail (2174) and a rubber plate (2173), the glass plate (2171) is detachably connected with the plate body (211), the surface of the glass plate (2171) is provided with the plastic plate (2172) and the guide rail (2174) at intervals, the guide rail (2174) and the plastic plate (2172) are abutted with the small door (4), and the rubber plate (2173) is inserted on the guide rail (2174).

8. The lyophilizer laminar flow gas guide according to claim 7, wherein, The glass plate (2171) is provided with a perspective port (2175), and the rubber plate (2173) is used for plugging the perspective port (2175).

9. The lyophilizer laminar flow gas guide according to claim 8, wherein, The rubber plate (2173) is provided with a wire hole (2176), and the glass plate (2171) is also provided with a wire hole (2176), the wire hole (2176) on the glass plate (2171) and the wire hole (2176) on the rubber plate (2173) are in communication.

10. The laminar flow gas guide for a freeze dryer as claimed in claim 3, wherein The plate body (211) is further provided with a through hole (216).

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