CN103299916A - Closed transfer device of isolator - Google Patents

Abstract

The invention discloses A closed transfer device of an isolator is characterized in that a transfer cabin with a hatch opening at the bottom is arranged, a hatch cover which is arranged in an inner cavity of the transfer cabin in a lifting mode along the vertical direction and can generate magnetism in a power-on state is arranged, the hatch opening is sealed through the hatch cover, a collecting barrel matched with the hatch opening is arranged on the barrel cover, at least one part of the barrel cover is made of paramagnetic materials, when articles are transferred from the transfer cabin, the collecting barrel is located at the bottom of the hatch opening, the top of the barrel body is abutted to the bottom of the transfer cabin, the barrel cover penetrates through the hatch opening and is sucked by the hatch cover and ascends to the inner cavity of the transfer cabin along the vertical direction along with the hatch cover, after the transfer is finished, the barrel cover descends along with the hatch cover and is buckled on a barrel opening of the barrel body. The transfer device has simple structure and good tightness in the transfer process, and avoids the transfer process Pathogenic organisms and various chemical and radioactive substances Leakage of contaminants.

Description

Closed transfer device for isolators

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technical field

The invention relates to a closed transfer device for an isolator, in particular to a closed transfer device for an isolator used for an isolator.

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Background technique

When conducting experiments on some animals or other objects, in order to avoid direct contact between the experimental subject and the experimenter, and to ensure the specific experimental environment of the experimental subject, the pathogenic organism or the experimental animal infected with the source of the disease is usually placed in an isolator. Experiments, so as to separate the controlled internal environment from the external environment, avoid contact between experimenters and pathogenic organisms, chemical, radioactive and other pollutants in the experimental environment, and prevent pollutants from escaping into the environment.

During the use of the isolator, some items in the isolator need to be passed out from the transfer cabin for disinfection treatment. However, when the door of the transfer cabin is opened, it is necessary to ensure good airtightness to avoid pathogenic organisms and chemical, radioactive and other various substances. At the same time, it should also ensure that the end face of the hatch used to close the hatch is not polluted by pollutants, so as to prevent pathogenic organisms, chemical, radioactive and other pollutants from passing through the hatch after the hatch is closed. And a leak occurs.

In the prior art, the design of the transfer cabin is various, such as the Chinese patent with the publication number 102349451A, which records a leak-free transfer device of the isolator, which will be used to accommodate the barrel of pollutants through the cooperation of the tooth grooves. The barrel cover is connected with the hatch door of the transfer cabin, and the hatch door is rotated during the operation to realize the transfer of pollutants. After this setting, there is a gap due to the fit and connection of the tooth grooves, and the pollutants are easily left in the gap. The contamination will leak out after the separation of the cover is completed. In addition, during use, it is necessary to manually connect the barrel body to the hatch door, and the barrel body is often relatively heavy, which increases the labor intensity of the operator.

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Contents of the invention

The object of the present invention is to provide a closed transfer device for an isolator, so as to improve the airtightness of the item transfer process in the isolator and avoid leakage of pollutants.

In order to achieve the above object, the technical solution adopted by the present invention is: a closed transfer device for an isolator, comprising a transfer cabin with an inner cavity, the inner cavity of the transfer cabin communicates with the inner cavity of the isolator, the The bottom of the transfer cabin is provided with a hatch, and the transfer device also includes a hatch cover capable of generating magnetism in a energized state, and the hatch cover is vertically lifted and arranged in the inner cavity of the transfer cabin, and the cabin The cover can be airtightly covered on the hatch, and the inner cavity of the transfer cabin is also provided with a driving mechanism capable of driving the hatch cover to lift up and down in the vertical direction, and the transfer device also includes a function for collecting the transfer cabin. A collection bucket for items transferred out of the bucket, the collection bucket includes a bucket body, a bucket cover at least partially made of a paramagnetic substance, the bucket cover can be hermetically arranged on the bucket mouth of the whole body, and the bucket cover The diameter is not greater than the diameter of the hatch and the top surface of the barrel cover is consistent with the cross section of the hatch, and the diameter of the barrel is not smaller than the diameter of the hatch.

Preferably, the transfer device further includes a mobile trolley, the mobile trolley includes a trolley body, a lifting platform arranged on the trolley body and capable of lifting in the vertical direction, and the collection bucket is detachable set on the lifting platform.

Preferably, the barrel cover includes a cover capable of fittingly embedded in the barrel mouth, and a sealing member arranged on the top of the lid capable of sealing on the barrel mouth.

Further preferably, the seal is a recoil film.

Preferably, the driving mechanism is a linear motor, the motor seat of the linear motor is fixed on the transfer cabin, and the telescopic rod of the linear motor is fixedly connected to the top of the cabin cover.

Preferably, the inner cavity of the transfer cabin is fixedly provided with a plurality of guide rods whose axis lines are distributed along the vertical direction, and a plurality of through holes penetrating in the axial direction are opened on the peripheral edge of the hatch cover , a plurality of the guide rods correspondingly pass through the plurality of through holes.

Preferably, the hatch cover includes a bottom cover that can be matedly inserted into the hatch, a gland arranged on the top of the bottom cover, the diameter of the gland is larger than the diameter of the hatch, and the bottom cover is A sealing ring is also sleeved.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art: the closed transfer device of the isolator of the present invention, wherein a transfer cabin with a hatch at the bottom is provided, and the transfer cabin is arranged vertically in a vertical direction A hatch cover in the cabin cavity that can generate magnetism under energized state, the hatch is sealed by the hatch, and then a collection bucket with the cover matching the hatch is set, wherein at least part of the cover is made of paramagnetic material , when transferring items from the transfer cabin, the collection bucket is located at the bottom of the hatch, and the top of the bucket body is in contact with the bottom of the transfer cabin. In the cavity, after the transfer is completed, the bung is lowered with the hatch cover and fastened on the bung of the collection bucket body, and the hatch seals the hatch at the same time. The transfer device has a simple structure and good airtightness during the transfer process. At the same time, because the bottom surface of the hatch cover is in contact with the top surface of the barrel cover, it avoids the exposure of the bottom of the hatch cover and the top of the barrel cover to the environment of the transfer cabin during the transfer process. And polluted, so that after the transfer of the items to be transferred is completed, the hatch cover and the barrel cover are separated and exposed to the external environment.

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Description of drawings

Accompanying drawing 1 is the first schematic diagram of the use state of the transfer device of the present invention;

Accompanying drawing 2 is the second schematic view of the use state of the transfer device of the present invention;

Accompanying drawing 3 is the third schematic view of the use state of the transfer device of the present invention.

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Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to the closed transfer device of the isolator shown in Figures 1 to 3, the transfer device includes a transfer cabin 1, the inner cavity of the transfer cabin communicates with the inner cavity of the isolator (not shown in the figure), and can pass through the transfer cabin 1 is provided with an opening at the top to communicate with the isolator. The bottom of the transfer cabin 1 is provided with a hatch 11, and the hatch 11 communicates with the inner cavity of the transfer cabin 1. The transfer device also includes a hatch 2 capable of generating magnetism in the electrified state, and the magnetic force line can be set inside the hatch 2. circle (not shown in the figure) to achieve. The hatch cover 2 is arranged vertically in the inner chamber of the transfer cabin 1 through the driving mechanism 3 , and the hatch cover 2 can cover the hatch 11 in a hermetically sealed manner. In order to realize the good sealing of the hatch 11, the hatch cover 2 includes a bottom cover 23, a gland 21 located at the top of the bottom cover 23, the bottom cover 23 can be fitly inserted into the hatch 11, and the diameter of the gland 21 is larger than the hatch 11 The diameter of the oil seal ring 22 is also sleeved on the bottom cover 23. When the hatch cover 2 is used to close the hatch 11, the bottom cover 23 is inserted into the hatch 11 in a cooperative manner, and the gland 21 compresses the seal ring 22 on the On the inner wall of the transfer compartment 1. Drive mechanism 3 can adopt linear motor, and the motor seat of this linear motor is fixed on the inwall of transfer cabin 1, and the telescopic link of linear motor is distributed along vertical direction, and the bottom of telescopic link is fixed on the top of hatch cover 2. The hatch 2 can be opened automatically and the hatch 2 can be sealed on the hatch 11 by the expansion and contraction of the telescopic rod. In order to ensure the smooth lifting of the hatch cover 2, two guide rods 7 whose axes are distributed along the vertical direction are fixedly arranged in the inner cavity of the transfer cabin 1, and there are provided on the peripheral edge of the gland 21 on the hatch cover 2. Two through holes penetrating in the axial direction, the two guide rods 7 are correspondingly set in the above two through holes to provide guidance when the hatch cover 2 is raised and lowered in the vertical direction.

Referring to Figures 1 to 3, the transfer device also includes a collection barrel for collecting the items transferred from the transfer cabin 1. The collection barrel includes a whole body 4, a barrel cover 5 that can be arranged on the mouth of the whole body 4 in a hermetically sealed manner, and the barrel At least part of the lid 5 is made of paramagnetic substances such as iron, cobalt, nickel, etc., so that the bung 5 can be sucked when the hatch 2 is energized to generate magnetism, and the diameter of the bung 5 is not greater than the diameter of the hatch 11 and The top end surface of the bucket cover 5 is consistent with the cross section of the hatch 11, and the diameter of the barrel body 4 is not less than the diameter of the hatch 11. In order to ensure that the bung 5 can be penetrated into the hatch 11 and at the same time provide a good seal for the bung on the bung 4, the bung 5 is set to include a cover 51 that can be matedly embedded in the bung, and a cover 51 located on the cover 51. The top can be sealed on the seal 52 on the mouth of the barrel, and the seal 52 can adopt a recoil film, so that after the collection bucket collects the items delivered by the transfer cabin 1, it can be directly put into the disinfection device for disinfection, so that the collection bucket When the pressure in the whole body 4 is relatively high, it recoils to avoid explosion caused by excessive pressure. The transfer device also includes a mobile trolley 6, which includes a trolley body 61, a lifting platform 62 mounted on the trolley body 61 that can be lifted in the vertical direction, and the lifting platform 62 is driven by a linear motor or hydraulic pressure. The cylinder 63 controls the lifting, and the collection bucket is detachably arranged on the lifting platform 62 . In this way, the collecting barrel can be directly transported, no manual operation is required in the operation process, and the use is simple and convenient.

The working process of the present embodiment is set forth in detail below:

Referring to Fig. 1, when the isolator is in normal use, the hatch 11 of the transfer cabin 1 is sealed by the hatch cover 2. When the items in the isolator need to be delivered through the transfer cabin 1, the items to be delivered first arrive at the transfer cabin 1 , push the mobile trolley 6 to the bottom of the transfer cabin 1, drive the lifting platform 62 to lift up and down in the vertical direction and make the barrel mouth of the barrel body 4 be located at the bottom of the hatch 11, and the top of the bucket cover 5 align with the hatch 11. The linear motor as the driving mechanism 3 works to make the hatch cover 2 move up partly so that part of the space is reserved in the hatch 11, and the lifting platform 62 continues to move upward so that the part exposed on the outer end of the barrel mouth on the barrel cover 5 is embedded in the hatch 11 , the top of the barrel body 4 is in contact with the bottom end surface of the transfer cabin 1, as shown in FIG. 2 . At this time, by energizing the inner coil of the hatch cover 2, the hatch cover generates magnetism, so that the hatch cover 2 sucks the barrel cover 5 on the bottom of the hatch cover 2, and at this time, the telescopic rod of the linear motor shortens the driving hatch cover 2 in the axial direction Going up in the vertical direction, driving the bucket cover 5 to go up in the vertical direction, so that the inner cavity of the transfer cabin 1 communicates with the inner cavity of the barrel body 4, and transfers the items to be transferred in the transfer cabin 1 to the inner cavity of the whole body 4 After the middle, drive the hatch cover 3 to go down in the vertical direction, push the bucket cover 5 out of the hatch in the vertical direction and seal it on the bung of the barrel body 4, and simultaneously make the hatch cover 2 realize the sealing of the hatch 11 again, The coil in the hatch cover 2 is de-energized to lose its magnetism, and the hatch cover 2 is separated from the bucket cover 5 . Then the lifting platform 62 is driven to descend vertically, and the collection barrel is transported to the disinfection device by the mobile trolley 6 for disinfection.

In the above transfer process, the good sealing performance between the transfer cabin 1 and the collection bucket is guaranteed, and at the same time, because the bottom surface of the hatch cover 2 is in contact with the top surface of the bucket cover 5, the bottom of the hatch cover 2 and the bucket cover 5 are avoided during the transfer process. The top of the tank is exposed to the environment of the transfer cabin 1 and is polluted, so that after the transfer of the items to be transferred is completed, the hatch cover 2 is separated from the barrel cover 5 and the surface exposed to the external environment is not polluted, which avoids the contamination of pollutants during the transfer process. leakage. At the same time, there is no need to manually operate the collection bucket during the operation, which reduces the labor intensity of the operator.

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The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. the sealing transfer device of an isolator, comprise the transferring cabin with inner chamber, the inner chamber of described transferring cabin and the intracavity inter-connection of described isolator, it is characterized in that: the bottom of described transferring cabin offers hatch, described transfer device also comprises the hatchcover that can produce magnetic under "on" position, described hatchcover vertically is arranged in the inner chamber of described transferring cabin up and down, described hatchcover can cover on the described hatch hermetically, also be provided with the driving mechanism that can drive the lifting vertically of described hatchcover in the inner chamber of described transferring cabin, described transfer device also comprises the collecting vessel of the article that pass out for the described transferring cabin of collection, described collecting vessel comprises staving, at least part of bung of being made by paramagnetic meterial, described bung can be arranged on the bung of described entire body hermetically, it is consistent with the cross section of described hatch that the diameter of described bung is not more than the top end face of the diameter of described hatch and described bung, and the diameter of described staving is not less than the diameter of described hatch.

2. the sealing transfer device of isolator according to claim 1, it is characterized in that: described transfer device also comprises portable go-cart, described portable go-cart comprises the go-cart body, is located at the lifting platform of the lifting vertically on the described go-cart body, and described collecting vessel is located on the described lifting platform separably.

3. the sealing transfer device of isolator according to claim 1 is characterized in that: described bung comprises the lid that can embed ordinatedly in the described bung, be located at described lid top can be enclosed in seal on the described bung.

4. the sealing transfer device of isolator according to claim 3 is characterized in that: described seal is the recoil film.

5. the sealing transfer device of isolator according to claim 1, it is characterized in that: described driving mechanism is linear electric machine, the motor cabinet of described linear electric machine is fixed on the described transferring cabin, and the expansion link of described linear electric machine and described hatchcover top are fixedly connected.

6. the sealing transfer device of isolator according to claim 1, it is characterized in that: be fixedly provided with the guide rod that many axial lines vertically distribute in the inner chamber of described transferring cabin, offer a plurality of through holes that run through vertically in the peripheral edge portion of described hatchcover, a plurality of described guide rods are located in a plurality of described through holes accordingly.

7. the sealing transfer device of isolator according to claim 1, it is characterized in that: described hatchcover comprises the bottom that can insert ordinatedly in the described hatch, the gland of being located at described bottom top, the diameter of described gland also is arranged with sealing ring greater than the diameter of described hatch on the described bottom.

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