Long-acting sealing device for file cover

Abstract

The utility model discloses a long-acting storage device for portfolio, including cabinet body, cabinet door, storage subassembly, compression plate, lead screw, motor, solenoid three-way valve and nitrogen tank, the cabinet door is hinged to cabinet body one side through hinge, nitrogen tank and solenoid three-way valve are provided in cabinet body top, nitrogen tank is communicated with cabinet body through solenoid three-way valve, and the compression plate is connected with the compression plate through the solenoid three-way valve. A horizontal sliding groove formed in a back plate is formed in the cabinet body, the multiple storage assemblies are slidably connected to the horizontal sliding groove in the back plate of the cabinet body, the lead screw is rotationally connected to the middle of the cabinet body, the motor is arranged on the outer side of the cabinet body, and one end of the lead screw penetrates through the cabinet body to be connected with an output shaft of the motor. The compression plate is arranged on one side of the cabinet body and is meshed with the screw rod; nitrogen is filled into the sealed cabinet body where the file cover is placed, so that the aging speed of files in the file cover can be slowed down, meanwhile, external humid air is prevented from making contact with the file cover, and the long-acting sealing and storing effect can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of file bag sealing technology, and in particular to a long-term file bag sealing device. Background Technology

[0002] Archives possess historical, cultural, social, and educational value, serving as original documents recording historical events. Currently, most archives are paper documents, requiring proper storage to prevent loss or damage. Existing archival sealing devices, however, expose the documents to direct air, leading to oxidation over time and blurred handwriting. Furthermore, the lack of drying equipment in existing devices makes the documents susceptible to moisture damage during rainy weather. Therefore, a long-term archival bag sealing device has been designed to address these issues. Utility Model Content

[0003] In view of the shortcomings of existing file bag sealing technology, the purpose of this utility model is to provide a long-term file bag sealing device with advantages such as long-term sealing and dry and heat-preserving sealing environment.

[0004] To achieve the above objectives, the present invention employs the following technical solution: a long-term sealing device for file folders, comprising a cabinet, a cabinet door, storage components, a compression plate, a lead screw, a motor, an electromagnetic three-way valve, and a nitrogen tank. The cabinet door is hinged to one side of the cabinet. The nitrogen tank and the electromagnetic three-way valve are located at the top of the cabinet. The nitrogen tank is connected to the cabinet via the electromagnetic three-way valve. The cabinet has a horizontal groove on the back panel. Multiple storage components are slidably connected to the horizontal groove on the back panel of the cabinet. The lead screw is rotatably connected to the middle of the cabinet. The motor is located on the outside of the cabinet. One end of the lead screw is connected to the motor output shaft through the cabinet. The compression plate is located on one side of the cabinet and engages with the lead screw. The compression plate is slidably connected to the cabinet via the horizontal groove. A sealing ring is also fitted around the outer edge of the compression plate.

[0005] Preferably, the storage assembly has an L-shaped clamp, a spring, and a slider. The two L-shaped clamps are symmetrically slidably connected in a horizontal groove by the slider. The two L-shaped clamps form a storage slot for storing file folders. The spring is disposed between the two L-shaped clamps to force them to move away from each other.

[0006] Preferably, the electromagnetic three-way valve is used to connect the nitrogen tank to the cabinet or to connect the cabinet to the outside.

[0007] Preferably, the inner side of the cabinet door is also provided with a rubber sealing gasket to improve the sealing performance;

[0008] The beneficial effects of this utility model are: 1. By filling the sealed cabinet containing the file bag with nitrogen, the aging speed of the documents inside the file bag can be slowed down, and at the same time, external humid air is prevented from contacting the file bag, thus achieving a long-term sealing effect; 2. Before sealing, the air inside the file bag is squeezed out, and the file bag is not squeezed when filling with nitrogen, so that the nitrogen can fully contact the file bag, thus achieving better sealing and protection. Attached Figure Description

[0009] Figure 1 This is a structural view of the cabinet door in the open state of this utility model.

[0010] Figure 2 This is a perspective view of the cabinet door in the closed, exhaust state of this utility model.

[0011] Figure 3 This is a structural view of the storage component of this utility model. Detailed Implementation

[0012] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0013] It should be noted that in the description of this utility model, the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0014] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "equipped with," and "set up" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0015] Please see Figures 1 to 3 The embodiments of this utility model include:

[0016] A long-term sealing device for file folders includes a cabinet body 1, a cabinet door 2, storage components 3, a compression plate 4, a lead screw 5, a motor 6, an electromagnetic three-way valve 7, and a nitrogen tank 8. The cabinet door 2 is hinged to one side of the cabinet body 1. The nitrogen tank 8 and the electromagnetic three-way valve 7 are located on the top of the cabinet body 1. The nitrogen tank 8 is connected to the cabinet body 1 through the electromagnetic three-way valve 7. The cabinet body 1 has a horizontal sliding groove 11 on the back plate. The multiple storage components 3 are slidably connected in the horizontal sliding groove 11 on the back plate of the cabinet body 1. The lead screw 5 is rotatably connected to the middle of the cabinet body 1. The motor 6 is located on the outside of the cabinet body 1. One end of the lead screw 5 is connected to the output shaft of the motor 6 through the cabinet body 1. The compression plate 4 is located on one side of the cabinet body 1 and engages with the lead screw 5. The compression plate 4 is slidably connected to the inside of the cabinet body 1 through the horizontal sliding groove 11. A sealing ring is also fitted around the outer edge of the compression plate 4.

[0017] The storage component 3 has an L-shaped clamp 31, a spring 32 and a slider 33. The two L-shaped clamps 31 are symmetrically slidably connected in the horizontal slide groove 11 by the slider 33. The two L-shaped clamps 31 form a storage groove 9 for storing file bags. The spring 32 is arranged between the two L-shaped clamps 31 to force them to move away from each other.

[0018] The electromagnetic three-way valve 7 is used to connect the nitrogen tank 8 to the cabinet 1 or to connect the cabinet 1 to the outside.

[0019] The inner side of the cabinet door 2 is also provided with a rubber sealing gasket 10 to improve the sealing performance;

[0020] With the above settings, its specific working principle in actual operation is as follows:

[0021] First, place the documents to be sealed in the storage slot 9 formed by the two L-shaped clamps 31, then close the cabinet door 2 to seal the inside of the cabinet 1. At this time, the electromagnetic three-way valve 7 connects the cabinet 1 to the outside.

[0022] Then, the motor 6 is started to drive the lead screw 5 to rotate forward. During the rotation of the lead screw 5, the compression plate 4 is moved to the other side of the cabinet 1. During this process, the compression plate 4 drives the two L-shaped clamps 31 in the multiple storage components 3 to move closer to each other, so that the file bag placed in the two L-shaped clamps 31 is compressed, thereby squeezing out the air inside the file bag and discharging it to the outside of the cabinet 1 through the electromagnetic three-way valve 7.

[0023] After venting is completed, the electromagnetic three-way valve 7 is activated to switch the direction, connecting the nitrogen tank 8 to the cabinet 1. At this time, the nitrogen in the nitrogen tank 8 enters the cabinet 1 to protect the documents in the file bag. Simultaneously, the motor 6 is activated to drive the lead screw 5 to reverse, thereby moving the compression plate 4 to one side of the cabinet 1. This causes the spring 32 in the storage component 3 to force the two L-shaped clamps 31 to move away from each other, thus preventing the file bag from being squeezed and allowing the nitrogen to fully contact the file bag, thereby providing better sealing and protection.

[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A long-term sealing device for file folders, characterized in that, The system includes a cabinet body, cabinet door, storage components, compression plate, lead screw, motor, solenoid three-way valve, and nitrogen tank. The cabinet door is hinged to one side of the cabinet body. The nitrogen tank and solenoid three-way valve are located on the top of the cabinet body. The nitrogen tank is connected to the cabinet body through the solenoid three-way valve. The cabinet body has a horizontal sliding groove on the back panel. Multiple storage components are slidably connected in the horizontal sliding groove on the back panel of the cabinet body. The lead screw is rotatably connected to the middle of the cabinet body. The motor is located on the outside of the cabinet body. One end of the lead screw is connected to the motor output shaft through the cabinet body. The compression plate is located on one side of the cabinet body and meshes with the lead screw. The compression plate is slidably connected to the cabinet body through the horizontal sliding groove. A sealing ring is also fitted around the outer edge of the compression plate.

2. The long-term sealing device for file folders according to claim 1, characterized in that, The storage assembly has an L-shaped clamp, a spring, and a slider. The two L-shaped clamps are symmetrically slidably connected in a horizontal groove by the slider. The two L-shaped clamps form a storage slot for storing file folders. The spring is arranged between the two L-shaped clamps to force them to move away from each other.

3. The long-term sealing device for file folders according to claim 1, characterized in that, The electromagnetic three-way valve is used to connect the nitrogen tank to the cabinet or to connect the cabinet to the outside.

4. The long-term sealing device for file folders according to claim 1, characterized in that, The inside of the cabinet door is also equipped with a rubber sealing gasket to improve the sealing performance.

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