Vacuum box body structure with multi-layer splicing function

By designing a strip opening and a circular plate on the top of the vacuum chamber shell, using coaxial hinges and connecting blocks to achieve multi-layer splicing, and employing explosion-proof glass for protection, the problems of easy damage to the observation window of the vacuum chamber and the difficulty of splicing are solved, thus improving the usage effect and protection capability.

CN224104498UActive Publication Date: 2026-04-10XIAMEN ERIC PRECISION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing vacuum chamber's observation window is easily damaged, allowing debris to fall inside and damage items. Furthermore, the multiple outer shells are difficult to assemble, resulting in poor performance.

Method used

The design incorporates a multi-layered assembly structure for the vacuum chamber. Multiple chambers are joined together using coaxial hinges and connecting blocks by opening strip-shaped openings and circular plates on the top of the outer shell. Explosion-proof glass and glass plates are used for protection to prevent debris from entering.

Benefits of technology

It achieves flexible assembly of the outer shell and effective protection, preventing glass fragments from damaging items and improving the protection effect of the vacuum environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vacuum box body structure with a multi-layer splicing function, which comprises a bottom plate, the top of the bottom plate is provided with a shell, the top of the shell is provided with a strip-shaped opening, the top of the strip-shaped opening is provided with a circular plate, the top of the shell is provided with a top cover, the bottom of the top cover is provided with a containing groove, and the containing groove is provided with a plurality of through holes. The top of the circular plate extends into the containing groove, arc-shaped grooves are formed in the edge of the top of the circular plate, each arc-shaped groove is connected with the top cover through a screw, at least one coaxial hinge is installed on one side of the shell, and each coaxial hinge is coaxially and rotationally connected with a first connecting block and a second connecting block. The position of the circular plate in the strip-shaped opening can be adjusted by moving the top cover, and then the second mounting opening can be aligned with the first mounting opening by rotating the circular plate, so that the positions of the first mounting opening and the second mounting opening can be adjusted as required when a plurality of shells are spliced, and the use effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum box body technical field especially relates to a vacuum box body structure with multilayer splicing function. BACKGROUND

[0002] The vacuum box body is a kind of sealed container for establishing and maintaining vacuum environment, is widely used in industrial production, laboratory research and special material processing etc.

[0003] Vacuum box body generally will be provided with observation window on the one side of shell, and the goods in shell can be observed in real time through observation window, but, the observation window of prior art is generally composed of ordinary glass, is easily damaged, and the debris generated after damage will fall into shell interior, causes damage to goods, and the protection effect is poor, and since vacuum box body needs to splice multiple shells together when storing goods, but due to the size of interface on part of shell is different, or position is different, leading to not being able to splice, and the use effect is poor.

[0004] Therefore, we provide a vacuum box body structure with multilayer splicing function. INVENTION CONTENTS

[0005] The utility model aims at the technical problem existing above, provides a vacuum box body structure with multilayer splicing function, can adjust the position of first installation port and second installation port according to need, completes the splicing of multiple shells, improves use effect.

[0006] Therefore, the utility model provides a vacuum box body structure with multilayer splicing function, including bottom plate, the top of bottom plate is installed with shell, the top of shell is equipped with strip-shaped opening, and the top of strip-shaped opening is equipped with round plate, the top of shell is equipped with top cover, the bottom of top cover is equipped with accommodating groove, the top of round plate extends to accommodating groove, and the top edge of round plate is equipped with arc-shaped groove, and each arc-shaped groove is connected with top cover through screw;

[0007] The side of shell is installed at least one coaxial hinge, and each coaxial hinge is coaxially connected with first connecting block and second connecting block, the side of first connecting block is installed with fixed frame, and glass plate is installed between fixed frame;

[0008] The side of second connecting block is installed with connecting frame, and the inside of connecting frame is equipped with strip-shaped recess on both ends, and explosion-proof glass is arranged in connecting frame, and both ends of each explosion-proof glass extend to the inside of corresponding strip-shaped recess;

[0009] A second sealing groove is formed on the side of the shell close to the opening, and a first sealing frame is arranged in the second sealing groove.

[0010] Preferably, strip-shaped grooves are formed on both sides of the top of the top cover, first threaded holes are formed on the top of the shell, and each strip-shaped groove is threadedly connected with a corresponding first threaded hole through a screw.

[0011] Preferably, L-shaped limiting pieces are arranged at one end of the connecting frame, and the side surface of the L-shaped limiting piece abuts against the side surface of the explosion-proof glass.

[0012] Preferably, through holes are formed on the side surface of the L-shaped limiting piece, a connecting bolt is arranged in each through hole, and a second threaded hole is formed on the side surface of the fixing frame; one end of the connecting bolt extends into the second threaded hole and is threadedly connected with the second threaded hole.

[0013] Preferably, first sealing grooves are formed on the top of the shell, and a second sealing frame is arranged in each first sealing groove; when the top cover is stacked on the top of the shell, the top of the second sealing frame abuts against the bottom of the top cover, and the two are sealingly connected.

[0014] Preferably, a second mounting opening is formed on the top of the circular plate, and a first mounting opening is formed on the top of the top cover; when the circular plate is fixed with the top cover, the second mounting opening is aligned with the first mounting opening, and the two are sealingly connected.

[0015] Preferably, a plurality of air inlets are formed on the top of the bottom plate and the side surface of the shell, and a sealing flange is arranged on one side of each air inlet.

[0016] Compared with the prior art, the vacuum box body structure with the multi-layer splicing function has the following beneficial effects:

[0017] 1. According to the utility model, the strip-shaped opening is formed on the top of the shell, the position of the circular plate in the strip-shaped opening can be adjusted by moving the top cover, and the second mounting opening can be aligned with the first mounting opening by rotating the circular plate, so that when a plurality of shells are spliced, the positions of the first mounting opening and the second mounting opening can be adjusted according to needs, and the use effect is improved.

[0018] 2. According to the utility model, the shell opening can be shielded by the explosion-proof glass and the glass plate, and the explosion-proof glass and the glass plate can protect the articles in the shell, so that the debris falling into the shell after the glass plate or the explosion-proof glass is damaged can be avoided, and the protection effect is improved.

[0019] The part not involved in the device is same as or can be realized by the prior art, the utility model discloses simple structure, convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The overall structure schematic diagram of the vacuum box body structure with the multi-layer splicing function is provided for the utility model;

[0021] Figure 2 The shell structure schematic diagram of the vacuum box body structure with the multi-layer splicing function is provided for the utility model;

[0022] Figure 3 The connecting frame and the fixed frame structure schematic diagram of the vacuum box body structure with the multi-layer splicing function are provided for the utility model;

[0023] Figure 4 The side sectional view of the vacuum box body structure with the multi-layer splicing function is provided for the utility model;

[0024] Figure 5 The multiple shell splicing structure schematic diagram of the vacuum box body structure with the multi-layer splicing function is provided for the utility model.

[0025] In the drawing: 1, bottom plate, 2, shell, 3, round plate, 4, first threaded hole, 5, first sealing groove, 6, strip-shaped groove, 7, top cover, 8, explosion-proof glass, 9, first installation port, 10, second installation port, 11, strip-shaped opening, 12, L-shaped limiting sheet, 13, connecting frame, 14, fixed frame, 15, glass plate, 16, first connecting block, 17, second connecting block, 18, coaxial hinge, 19, second sealing groove, 20, first sealing frame, 21, air inlet, 22, sealing flange, 23, second sealing frame, 24, connecting bolt, 25, second threaded hole, 26, through hole, 27, strip-shaped recess, 28, containing groove, 29, arc-shaped groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0028] A vacuum box structure with multi-layer splicing function, as shown in Figures 1-5 The top of the bottom plate 1 is provided with a shell 2, and the top of the bottom plate 1 and the side of the shell 2 are provided with a plurality of air inlets 21. One side of each air inlet 21 is provided with a sealing flange 22. In actual use, the air inlet 21 can be connected with an external gas source or a negative pressure device through the sealing flange 22. In this way, inert protective gas can be filled into the shell 2 through the gas source, or the air in the shell 2 can be sucked out through the negative pressure device, so that the inside of the shell 2 maintains a vacuum environment, and the materials placed in the shell 2 are protected.

[0029] As shown in Figure 1 and Figure 4 , a strip-shaped opening 11 is formed in the top of the shell 2, and a circular plate 3 is arranged on the top of the strip-shaped opening 11. A top cover 7 is arranged on the top of the shell 2, and a receiving groove 28 is formed in the bottom of the top cover 7. The top of the circular plate 3 extends into the receiving groove 28. A second mounting hole 10 is formed in the top of the circular plate 3, and a first mounting hole 9 is formed in the top of the top cover 7. When the circular plate 3 and the top cover 7 are fixed, the second mounting hole 10 is aligned with the first mounting hole 9 and is sealingly connected therebetween. When the top cover 7 is fixed on the top of the shell 2 during installation, the circular plate 3 is located in the receiving groove 28, so that the first mounting hole 9 is aligned with the corresponding second mounting hole 10. In this way, the inside of the shell 2 can be communicated with the outside through the first mounting hole 9 and the second mounting hole 10.

[0030] As shown in Figure 1 and Figure 2 , strip-shaped grooves 6 are formed on both sides of the top of the top cover 7, and first threaded holes 4 are formed in the top of the shell 2. Each strip-shaped groove 6 is threadedly connected with the corresponding first threaded hole 4 through a screw. During use, the position of the top cover 7 can be adjusted by mounting the screw at different positions in the strip-shaped groove 6, and the position of the first mounting hole 9 can be adjusted accordingly.

[0031] As shown in Figure 1 and Figure 2 , first sealing grooves 5 are formed in the top of the shell 2. Each first sealing groove 5 is provided with a second sealing frame 23. When the top cover 7 is stacked on the top of the shell 2, the top of the second sealing frame 23 abuts against the bottom of the top cover 7, and the two are sealingly connected. The gap between the top cover 7 and the top of the shell 2 can be blocked by the second sealing frame 23, preventing external gas from penetrating into the shell 2 through the gap between the top cover 7 and the shell 2.

[0032] As shown in Figure 1 and Figure 2As shown, the top edge of the circular plate 3 is provided with arc-shaped slots 29, each of which is connected with the top cover 7 by a screw, so that the selected angle of the circular plate 3 can be adjusted according to the position of the first mounting port 9 on the top cover 7, so that the second mounting port 10 on the circular plate 3 can be aligned with the first mounting port 9.

[0033] As shown in Figure 1 and Figure 4 shown, at least one coaxial hinge 18 is mounted on one side of the shell 2, each coaxial hinge 18 is coaxially connected with the first connecting block 16 and the second connecting block 17, the side of the first connecting block 16 is provided with a fixed frame 14, and the glass plate 15 is mounted between the fixed frames 14, and the opening of the shell 2 can be covered by the glass plate 15 and the fixed frame 14 to protect the items inside the shell 2.

[0034] As shown in Figure 1 and Figure 3 shown, the second connecting block 17 is provided with a connecting frame 13 on the side, the connecting frame 13 is provided with a strip-shaped groove 27 at the upper and lower ends inside, and the explosion-proof glass 8 is arranged inside the connecting frame 13, the two ends of each explosion-proof glass 8 extend into the corresponding strip-shaped groove 27, and the opening of the shell 2 can be further covered by the explosion-proof glass 8 to protect the items inside the shell 2, and when the explosion-proof glass 8 is damaged, the user can pull out the explosion-proof glass 8 from the strip-shaped groove 27 for replacement.

[0035] As shown in Figure 1 and Figure 3 shown, the connecting frame 13 is provided with an L-shaped limiting piece 12 at one end, the side surface of the L-shaped limiting piece 12 abuts against the side surface of the explosion-proof glass 8, and the end of the strip-shaped groove 27 can be plugged by the L-shaped limiting piece 12, so that the explosion-proof glass 8 will not fall out of the strip-shaped groove 27 during use.

[0036] As shown in Figure 3 shown, a through hole 26 is formed in the side surface of the L-shaped limiting piece 12, a connecting bolt 24 is arranged in each through hole 26, and a second threaded hole 25 is formed in the side surface of the fixed frame 14, one end of the connecting bolt 24 extends into the second threaded hole 25 and is screwed with the second threaded hole 25, and the fixed frame 14 and the connecting frame 13 can be fixed together by the cooperation of the connecting bolt 24 and the second threaded hole 25, so that when the fixed frame 14 is rotated, the connecting frame 13 can be driven to rotate synchronously, and the shell 2 can be conveniently opened.

[0037] As shown in Figure 2 and Figure 4As shown, the second sealing groove 19 is arranged on the side of the shell 2 close to the opening, and the first sealing frame 20 is arranged in the second sealing groove 19, and the side of the first sealing frame 20 abuts against the side of the explosion-proof glass 8, so that when the explosion-proof glass 8 covers the opening of the shell 2, the side of the explosion-proof glass 8 abuts against the first sealing frame 20, thereby sealing the gap between the explosion-proof glass 8 and the opening of the shell 2 through the first sealing frame 20, and preventing external gas from leaking into the shell 2.

[0038] In use, the staff places the articles in the shell 2, and then rotates the connecting frame 13 and the fixed frame 14 synchronously, the connecting frame 13 drives the explosion-proof glass 8 to rotate, so that the explosion-proof glass 8 is rotated to the opening of the shell 2 to cover the opening, and the side of the explosion-proof glass 8 abuts against the first sealing frame 20 to seal the opening of the shell 2, and at the same time, the fixed frame 14 drives the glass plate 15 to rotate, so that the glass plate 15 is stacked on the side of the explosion-proof glass 8, so that the staff can observe the articles in the shell 2 through the glass plate 15 and the explosion-proof glass 8, and the explosion-proof glass 8 can protect the inside of the shell 2, and when the glass plate 15 or the explosion-proof glass 8 is broken, the debris will not fall into the shell 2, so that the articles in the shell 2 are not damaged, the protection effect is improved, and then the inert gas is filled into the inside of the shell 2 through the external gas source or the gas in the shell 2 is sucked out through the negative pressure mechanism, so that the inside of the shell 2 is kept in a vacuum environment, and the articles in the shell 2 are protected, and when a plurality of shells 2 need to be spliced, for example, Figure 5 As shown, the staff rotates the circular plate 3 to a preset angle, and then places the corresponding top cover 7 on the shell 2, so that the circular plate 3 is located in the accommodating groove 28, and the first mounting hole 9 on the top cover 7 is aligned with the second mounting hole 10 on the circular plate 3, and then the position of the top cover 7 on the top of the shell 2 is adjusted, and after being adjusted to a preset position, the staff fixes the top cover 7 on the shell 2 through screws, and then connects the first mounting hole 9 with the gas inlet 21 on another shell 2 through a pipeline, so that the splicing of the shell 2 is completed, and the use effect is improved.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum box structure with multi-layer splicing function, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is provided with a shell (2), the top of the shell (2) is provided with a strip-shaped opening (11), the top of the strip-shaped opening (11) is provided with a circular plate (3), the top of the shell (2) is provided with a top cover (7), the bottom of the top cover (7) is provided with a containing groove (28), the top of the circular plate (3) extends into the containing groove (28), and the top edge of the circular plate (3) is provided with an arc-shaped groove (29), each arc-shaped groove (29) is connected with the top cover (7) through a screw; The side of the shell (2) is provided with at least one coaxial hinge (18), each coaxial hinge (18) is coaxially connected with a first connecting block (16) and a second connecting block (17), one side of the first connecting block (16) is provided with a fixed frame (14), and the fixed frame (14) is provided with a glass plate (15) between the fixed frame (14). The side of the second connecting block (17) is provided with a connecting frame (13), the inside of the connecting frame (13) is provided with a strip-shaped groove (27) at the top and the bottom, and the inside of the connecting frame (13) is provided with an explosion-proof glass (8), both ends of each explosion-proof glass (8) extend into the corresponding strip-shaped groove (27). A second sealing groove (19) is formed in the side of the shell (2) close to the opening, a first sealing frame (20) is arranged in the second sealing groove (19), and one side of the first sealing frame (20) abuts against the side of the explosion-proof glass (8).

2. The vacuum box structure with multi-layer splicing function according to claim 1, characterized in that: The top of the top cover (7) is provided with a strip-shaped groove (6) on both sides, the top of the shell (2) is provided with a first threaded hole (4), and each strip-shaped groove (6) is threadedly connected with the corresponding first threaded hole (4) through a screw.

3. The vacuum box structure with multi-layer splicing function according to claim 1, characterized in that: One end of the connecting frame (13) is provided with an L-shaped limiting piece (12), and the side of the L-shaped limiting piece (12) abuts against the side of the explosion-proof glass (8).

4. The vacuum box structure with multi-layer splicing function according to claim 3, characterized in that: A through hole (26) is formed in the side of the L-shaped limiting piece (12), a connecting bolt (24) is arranged in the through hole (26), a second threaded hole (25) is formed in the side of the fixed frame (14), and one end of the connecting bolt (24) extends into the second threaded hole (25) and is threadedly connected with the second threaded hole (25).

5. The vacuum box structure with multi-layer splicing function according to claim 1, characterized in that: The top of the shell (2) is provided with a first sealing groove (5), and the inside of each first sealing groove (5) is provided with a second sealing frame (23), when the top cover (7) is stacked on the top of the shell (2), the top of the second sealing frame (23) abuts against the bottom of the top cover (7), and the two are sealingly connected.

6. The vacuum box structure with multi-layer splicing function according to claim 1, characterized in that: The top of the circular plate (3) is provided with a second mounting port (10), the top of the top cover (7) is provided with a first mounting port (9), when the circular plate (3) is fixed with the top cover (7), the second mounting port (10) is aligned with the first mounting port (9), and the two are sealingly connected.

7. The vacuum box structure with multi-layer splicing function according to claim 1, characterized in that: The top of the bottom plate (1) and the side of the shell (2) are provided with a plurality of air inlets (21), and one side of each air inlet (21) is provided with a sealing flange (22).