Elastic safety sealing door

By installing protective glass in the outer door frame of the sealed door and setting elastic mechanism and limiting components, the pressure unevenness caused by the rigid structure of the sealed door is solved, and the safety and sealing of the sealed door are improved.

CN222457256UActive Publication Date: 2025-02-11SHANGHAI BOXUN MEDICAL BIOLOGICAL INSTR CORP

Patent Information

Application Number
CN202420332395.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2025-02-11
Estimated Expiration
2034-02-22

AI Technical Summary

Technical Problem

The sealing structure of the existing sealing door is a rigid structure, which causes the sealing door and the sealing strip to be completely parallel during processing and assembly, resulting in uneven internal pressure, reducing the safety and sealing of the sealing door.

Method used

An elastic safety sealed door was designed. By installing protective glass in the outer door frame and setting up multiple groups of elastic mechanisms and fixing mechanisms inside, the elastic mechanism and limiting components make the sealed glass slide forward and backward in the outer door frame to avoid Collide with the inner walls on the left and right sides of the outer door frame to achieve limit protection and pressure adjustment of the sealed glass.

Benefits of technology

By changing the internal structure of the sealing door into an elastic structure, it ensures that the sealing door and the sealing strip are completely parallel during processing and assembly, and the pressure inside the sealing door is evenly adjusted, improving the safety and sealing of the sealing door.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an elastic safety sealing door, which belongs to the technical field of sealing doors and comprises an outer door frame. The protective glass is fixedly connected to the inner surface of the outer door frame, and the inner surface of the outer door frame is slidably connected with sealing glass; each elastic assembly comprises a sliding shell, the sliding shell is fixedly connected to the inner wall of one side of the outer door frame, the circumferential inner wall of the sliding shell is slidably connected with an extrusion rod, and one side end of the extrusion rod is fixedly connected with a connecting soft cushion; the second spring is fixedly connected to the inner surface of the sliding shell, the circumferential inner wall of the sliding shell is slidably connected with a sliding plate, and the internal structure of the sealing door is changed into an elastic structure, so that the sealing door and the sealing strip are completely parallel in the machining and assembling process, and the pressure in the sealing door is conveniently and uniformly adjusted; and the safety and the sealing performance of the sealing door are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sealed doors, and in particular relates to an elastic safety sealed door. Background Art

[0002] Sealed doors are designed for special spaces that need to be sealed, and can achieve a good sealing effect. Modern biological laboratories have increasingly higher requirements for safety, and at the same time, increasingly demanding requirements for the indoor environment. With the continuous development of science and technology, the sealing technology of sealed doors in biosafety laboratories is becoming more and more mature. It is hoped that by improving the structure of the sealed door, the sealing performance of the sealed door will be improved, so that its sealing effect will be better.

[0003] The authorization publication number "CN206972113U" records a safety sealed door for a biosafety laboratory, including a door body, a door frame, a flow limiting valve, an axle pin and an air pump. The door body is provided with air bags around the outside, and handles are provided on both sides of the door body. A perspective window is installed inside the door body. The left side of the door frame is connected to the door body through an axle pin. A lock tongue is provided on the right side of the door body. A lock hole is provided inside the right side of the axle pin. An air hole is provided on the right side of the air bag. An air outlet is provided at the lower end of the flow limiting valve. The air bag of the sealed door of the biosafety laboratory is arranged in a ring around the outside of the door body, and the length of the air hole on the right side of the air bag is greater than the depth of the air outlet. The air pump can fill the space inside the air bag so that the internal air is compressed, thereby achieving a better sealing effect. The door frame is provided with sealing rings around the inside, and a flow limiting valve is installed at the lower end of the left side of the sealing ring. The structure is simple and economical. At the same time, it improves the sealing performance of the device and is the first sealing device of the entire device.

[0004] The above-mentioned patent has a biosafety laboratory sealing door airbag that is arranged in a ring shape around the outside of the door body, and the length of the air hole on the right side of the airbag is greater than the depth of the air outlet. The space inside the airbag can be filled by an air pump so that the internal air is compressed, thereby achieving a better sealing effect. Sealing rings are arranged around the inside of the door frame, and a limiting flow valve is installed at the lower left end of the sealing ring. The structure is simple and economical, and the sealing performance of the device is improved at the same time. It is the first sealing device of the entire device. However, the existing sealing structure of the above-mentioned patent is a rigid structure. During the processing and assembly process, the sealing door and the sealing strip cannot be completely parallel, resulting in uneven internal pressure and poor sealing, which reduces the safety and sealing performance of the sealing door. Utility Model Content

[0005] The utility model aims to provide an elastic safety sealing door, aiming to solve the problem that the sealing structure in the prior art is a rigid structure, and the sealing door and the sealing strip cannot be completely parallel during the processing and assembly process, resulting in uneven internal pressure and poor sealing, thereby reducing the safety and sealing of the sealing door.

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

[0007] An elastic safety sealing door, comprising:

[0008] External door frames;

[0009] A protective glass, wherein the protective glass is fixedly connected to the inner surface of the outer door frame, and a sealing glass is slidably connected to the inner surface of the outer door frame;

[0010] A plurality of groups of elastic mechanisms, each group of elastic components comprising:

[0011] A sliding shell, the sliding shell is fixedly connected to an inner wall of one side of the outer door frame, an extrusion rod is slidably connected to the circumferential inner wall of the sliding shell, and a connection cushion is fixedly connected to one end of the extrusion rod;

[0012] a second spring, the second spring being fixedly connected to the inner surface of the sliding shell, a sliding plate being slidably connected to the circumferential inner wall of the sliding shell, and one side end of the sliding plate being fixedly connected to one side end of the extrusion rod; and

[0013] A plurality of fixing mechanisms are provided in the outer door frame and connected to the outer door frame to achieve the function of limiting the installed sealing glass.

[0014] As a preferred solution of the utility model, each set of the fixing mechanisms comprises:

[0015] A sliding groove, wherein the sliding groove is provided on the inner surface of the outer door frame, the inner surface of the sliding groove is slidably connected to a limit plate, one side end of the limit plate is fixedly connected to the limit baffle, and the outer surface of the limit baffle is slidably connected to the inner surface of the sliding groove;

[0016] The limiting component is arranged in the sliding groove and connected to the limiting baffle to achieve the function of limiting the sliding limiting baffle.

[0017] As a preferred solution of the utility model, each group of the limit components includes:

[0018] Two limiting grooves, the two limiting grooves are respectively opened on the inner walls of both sides of the sliding groove, and the inner surfaces of the two limiting grooves are both slidably connected to the limiting blocks;

[0019] Two first springs are respectively fixedly connected to one side inner wall of the two limiting grooves.

[0020] As a preferred solution of the utility model, a plurality of cushion blocks are fixedly connected to the inner surface of the outer door frame, and the plurality of cushion blocks are all made of rubber material.

[0021] As a preferred solution of the utility model, a plurality of sealing strips are fixedly connected to one side end of the sealing glass, and the inner surfaces of the plurality of sealing strips are all L-shaped.

[0022] As a preferred solution of the utility model, one side end of each of the plurality of limit blocks is fixedly connected with a protection block.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. In this scheme, the protective glass is installed inside the outer door frame to achieve a sealing effect on the outer door frame. At the same time, the installed sealing glass is protected by a plurality of fixed gaskets, so that the sealing glass can only slide forward and backward inside the outer door frame, and the sliding sealing glass is limited to avoid hitting the left and right inner walls of the outer door frame when sliding. The connecting cushion is pushed under the action of force, so as to push the extrusion rod to slide into the interior of the sliding shell to push the sliding plate. The second spring is squeezed and contracted in length according to the sliding sliding plate, so as to automatically adjust the elastic force according to each stress condition, so that the stress of the sealing glass and the gasket is uniform, and the pressure on the surface of the protective glass is buffered and adjusted. The internal structure of the sealed door is changed into an elastic structure, so that the sealing door and the sealing strip are completely parallel during the processing and assembly process, which is convenient for uniformly adjusting the pressure inside the sealed door and improving the safety and sealing of the sealed door.

[0025] 2. In this scheme, the sliding groove is provided to facilitate the sliding of the limit plate, and the sliding limit baffle is limited according to the fixed limit plate to prevent the limit baffle from escaping from the inside of the sliding groove when sliding. The two limit blocks are slid according to the two limit grooves, so that when the limit baffle slides, the two limit blocks are driven to slide inside the two limit grooves respectively, thereby playing a role of parallel limiting the sliding limit baffle, and the length is extended under the action of the elastic force of the two first springs, thereby pushing the two limit blocks to drive the limit baffle to slide outward, thereby completing the role of limiting and blocking the installed sealing glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a three-dimensional diagram of the utility model;

[0028] Figure 2 It is the first stereoscopic cross-sectional view of the utility model;

[0029] Figure 3It is a second three-dimensional cross-sectional view of the utility model;

[0030] Figure 4 For this utility model Figure 3 A local enlarged view of point A in FIG.

[0031] Figure 5 It is a third stereoscopic cross-sectional view of the utility model;

[0032] Figure 6 For this utility model Figure 5 A partial enlarged view of point B in FIG.

[0033] In the figure: 1. outer door frame; 2. sealing strip; 3. sealing glass; 4. protective glass; 5. pad; 6. sliding groove; 7. limit plate; 8. limit baffle; 9. limit groove; 10. limit block; 11. protective block; 12. first spring; 13. sliding shell; 14. second spring; 15. sliding plate; 16. extrusion rod; 17. connecting cushion. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0035] See also Figure 1-6 , the utility model provides the following technical solutions:

[0036] An elastic safety sealing door, comprising:

[0037] External door frame 1;

[0038] A protective glass 4, the protective glass 4 is fixedly connected to the inner surface of the outer door frame 1, and the inner surface of the outer door frame 1 is slidably connected with a sealing glass 3;

[0039] Multiple sets of elastic mechanisms, each set of elastic components includes:

[0040] A sliding shell 13, the sliding shell 13 is fixedly connected to an inner wall of one side of the outer door frame 1, an extrusion rod 16 is slidably connected to the circumferential inner wall of the sliding shell 13, and a connection cushion 17 is fixedly connected to one end of the extrusion rod 16;

[0041] A second spring 14, the second spring 14 is fixedly connected to the inner surface of the sliding shell 13, a sliding plate 15 is slidably connected to the circumferential inner wall of the sliding shell 13, and one side end of the sliding plate 15 is fixedly connected to one side end of the extrusion rod 16; and

[0042] Multiple sets of fixing mechanisms are all arranged in the outer door frame 1 and connected to the outer door frame 1 to achieve the function of limiting the installed sealing glass 3.

[0043] In a specific embodiment of the utility model, the protective glass 4 is installed and fixed by the outer door frame 1, so as to fix and seal the outer door frame 1. At the same time, the sealing glass 3 is installed inside the outer door frame 1 to protect the protective glass 4 and avoid damage to the protective glass 4 when it is hit. The installed sealing glass 3 is protected by a plurality of fixed gaskets 5, so that the sealing glass 3 can only slide back and forth inside the outer door frame 1, and the sliding sealing glass 3 is protected in a limited position to avoid the sealing glass 3 hitting the left and right inner walls of the outer door frame 1 when sliding. The internal components are protected by the fixed sliding shell 13, and the length is expanded and contracted under the elastic force of the second spring 14 to play a role in protecting the sealing glass 3. The pressure on the sealing glass 3 is buffered and adjusted, so that when the sealing glass 3 is under pressure, the connecting cushion 17 is pushed, and at the same time, the connecting cushion 17 and the sliding plate 15 are connected according to the extrusion rod 16, so as to push the sliding plate 15 to slide inside the sliding shell 13, and the second spring 14 is squeezed and contracted according to the sliding sliding plate 15, so as to automatically adjust the elastic force according to each stress condition, so that the stress on the sealing glass 3 and the cushion block 5 is uniform, and the pressure on the surface of the protective glass 4 is buffered and adjusted, and the internal structure of the sealing door is changed into an elastic structure, so that the sealing door and the sealing strip are completely parallel during the processing and assembly process, which is convenient for uniformly adjusting the pressure inside the sealing door, thereby improving the safety and sealing of the sealing door.

[0044] For details, please refer to Figure 4 , each set of fixing mechanisms includes:

[0045] A sliding groove 6 is provided on the inner surface of the outer door frame 1. The inner surface of the sliding groove 6 is slidably connected to a limit plate 7. One side end of the limit plate 7 is fixedly connected to a limit baffle 8. The outer surface of the limit baffle 8 is slidably connected to the inner surface of the sliding groove 6.

[0046] The limiting component is arranged in the sliding groove 6 and connected to the limiting baffle 8 to limit the sliding limiting baffle 8.

[0047] In this embodiment: the sliding groove 6 is provided to facilitate the sliding of the limit plate 7, and the sliding limit baffle 8 is limited according to the fixed limit plate 7 to prevent the limit baffle 8 from escaping from the inside of the sliding groove 6 when sliding. The two limit blocks 10 are slid according to the two limit grooves 9 provided, so that when the limit baffle 8 slides, the two limit blocks 10 are driven to slide respectively inside the two limit grooves 9, thereby playing a role of parallel limiting the sliding limit baffle 8, and the length is extended under the action of the elastic force of the two first springs 12, thereby pushing the two limit blocks 10 to drive the limit baffle 8 to slide outward, thereby completing the role of limiting and blocking the installed sealing glass 3.

[0048] For details, please refer to Figure 4 , each set of limiter components includes:

[0049] Two limiting grooves 9, the two limiting grooves 9 are respectively opened on the inner walls of both sides of the sliding groove 6, and the inner surfaces of the two limiting grooves 9 are both slidably connected to the limiting blocks 10;

[0050] Two first springs 12 are respectively fixedly connected to one side inner wall of the two limiting grooves 9 .

[0051] In this embodiment: the two limit blocks 10 are slid by the two limit grooves 9, so that when the limit baffle 8 slides, the two limit blocks 10 are driven to slide inside the two limit grooves 9 respectively, which plays a role in parallel limiting the sliding limit baffle 8.

[0052] For details, please refer to Figure 2 A plurality of cushion blocks 5 are fixedly connected to the inner surface of the outer door frame 1, and the plurality of cushion blocks 5 are all made of rubber material.

[0053] In the present embodiment: the installed sealing glass 3 is protected by a plurality of fixed gaskets 5, so that the sealing glass 3 can only slide forward and backward inside the outer door frame 1, thereby providing a limiting protection for the sliding sealing glass 3. At the same time, the plurality of gaskets 5 are made of rubber material, so as to protect the bottom and top ends of the sliding sealing glass 3.

[0054] For details, please refer to Figure 3 A plurality of sealing strips 2 are fixedly connected to one side end of the sealing glass 3, and the inner surfaces of the plurality of sealing strips 2 are all L-shaped.

[0055] In this embodiment, the inner surfaces of the four sealing strips 2 are L-shaped, which facilitates the connection with the frame of the outer door and ensures the sealing of the outer door frame 1 during connection and installation.

[0056] For details, please refer to Figure 4 One side end of each of the plurality of limit blocks 10 is fixedly connected with a protection block 11 .

[0057] In this embodiment: the multiple fixed protection blocks 11 slide along with the multiple limit blocks 10 to protect the multiple first springs 12 that are contracted in length, thereby preventing the multiple first springs 12 from contacting the limit baffle 8 when the length is contracted.

[0058] The working principle and use process of the utility model are as follows: the protective glass 4 is installed inside the outer door frame 1, so as to achieve the sealing effect on the outer door frame 1, and at the same time, the installed sealing glass 3 is protected by the fixed multiple pads 5, so that the sealing glass 3 can only slide forward and backward inside the outer door frame 1, and the sliding sealing glass 3 is protected by the limit position, so as to prevent the sealing glass 3 from hitting the inner walls on the left and right sides of the outer door frame 1 when sliding, and the connecting cushion 17 is pushed under the action of force, so as to push the extrusion rod 16 to slide into the interior of the sliding shell 13 to push the sliding plate 15. The sliding plate 15 squeezes the second spring 14 to shrink its length, thereby automatically adjusting the elastic force according to each stress condition, so that the sealing glass 3 and the cushion block 5 are subjected to uniform stress, thereby completing the buffering and adjusting of the pressure on the surface of the protective glass 4. The elastic force of the two first springs 12 pushes the two limit blocks 10 to slide inside the two limit grooves 9 respectively, thereby playing the role of parallel limiting the sliding limit baffle 8, thereby pushing the limit baffle 8 to slide out of the sliding groove 6, thereby completing the role of limiting and blocking the installed sealing glass 3.

[0059] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An elastic safety sealing door, characterized in that: include: External door frame (1); A protective glass (4), the protective glass (4) being fixedly connected to the inner surface of the outer door frame (1), and the inner surface of the outer door frame (1) being slidably connected to the sealing glass (3); A plurality of sets of elastic mechanisms, each set of elastic mechanisms comprising: A sliding shell (13), the sliding shell (13) being fixedly connected to an inner wall of one side of the outer door frame (1), an extrusion rod (16) being slidably connected to the circumferential inner wall of the sliding shell (13), and a connection cushion (17) being fixedly connected to one side end of the extrusion rod (16); a second spring (14), the second spring (14) being fixedly connected to the inner surface of the sliding shell (13), a sliding plate (15) being slidably connected to the circumferential inner wall of the sliding shell (13), and one side end of the sliding plate (15) being fixedly connected to one side end of the extrusion rod (16); and A plurality of sets of fixing mechanisms are arranged in the outer door frame (1) and connected to the outer door frame (1) to achieve the function of limiting the installed sealing glass (3).

2. The elastic safety sealing door according to claim 1, characterized in that: Each set of the fixing mechanisms comprises: A sliding groove (6), wherein the sliding groove (6) is provided on the inner surface of the outer door frame (1), the inner surface of the sliding groove (6) is slidably connected to a limit plate (7), one side end of the limit plate (7) is fixedly connected to a limit baffle (8), and the outer surface of the limit baffle (8) is slidably connected to the inner surface of the sliding groove (6); A limit assembly is arranged in the sliding groove (6) and connected to the limit baffle (8) to achieve the function of limiting the sliding limit baffle (8).

3. The elastic safety sealing door according to claim 2, characterized in that: Each set of the limiter components comprises: Two limiting grooves (9), the two limiting grooves (9) are respectively arranged on the inner walls on both sides of the sliding groove (6), and the inner surfaces of the two limiting grooves (9) are both slidably connected to the limiting blocks (10); Two first springs (12), the two first springs (12) being fixedly connected to one side inner wall of the two limiting grooves (9) respectively.

4. The elastic safety sealing door according to claim 3, characterized in that: A plurality of cushion blocks (5) are fixedly connected to the inner surface of the outer door frame (1), and the plurality of cushion blocks (5) are all made of rubber material.

5. The elastic safety sealing door according to claim 4, characterized in that: A plurality of sealing strips (2) are fixedly connected to one side end of the sealing glass (3), and the inner surfaces of the plurality of sealing strips (2) are all L-shaped.

6. The elastic safety sealing door according to claim 5, characterized in that: One side end of each of the plurality of limit blocks (10) is fixedly connected to a protection block (11).

Citation Information

Patent Citations

  • Safety sealing door for biosafety laboratory

    CN206972113U

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