Sealing door capable of preventing gas leakage

By employing a multi-seal structure in the gas leak-proof enclosure, including hollow rubber strips, sealing back plates, door and window sealing strips, and soft magnetic strips, the problem of chemical gas leakage is solved, achieving efficient sealing between the door body and the door frame and ensuring safety.

CN223724474UActive Publication Date: 2025-12-26LANZHOU SANXIN PETROCHEMICAL CO LTD
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Patent Information

Application Number
CN202422948964.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-26
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing gas leak-proof closed doors can easily leak chemical gases from the gaps between the door body and the door frame if the installation is not airtight.

Method used

The design employs a multi-seal structure, including hollow rubber strips, sealing back plates, door and window sealing strips, soft magnetic strips, return springs, mounting base plates, hinge mounting seats, and rubber inner frames, to ensure a tight connection and seal between the door and the door frame.

Benefits of technology

It effectively prevents the easy leakage of chemical gases, improves the sealing between the door and the door frame, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223724474U_ABST
    Figure CN223724474U_ABST
Patent Text Reader

Abstract

The utility model provides a gas leakage prevention type sealing door which comprises a door body, a door and window sealing strip, a door frame and a sealing back plate, hollow rubber strips are arranged at the upper end and the lower end of the door body, the sealing back plate is fixed to the back of the door body, the door and window sealing strip is fixed to the edge of the front end of the sealing back plate, and a mounting groove is formed in the door and window sealing strip. A mounting bottom piece is fixed to the rear end in the mounting groove, a plurality of reset springs are mounted at the front end of the mounting bottom piece, soft magnetic strips are mounted at the front ends of the reset springs, and the door body is mounted in the door frame, so that the problem that chemical gas can leak from a gap between the door body and the door frame once the door body of an original device is not good enough in mounting sealing performance is solved; according to the multi-sealing structure, sealing installation between the door body and the door frame can be achieved, the sealing performance is good, and chemical gas cannot be leaked easily.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of gas leakage type closed doors, belong to door sealing equipment technical field. BACKGROUND

[0002] In chemical processing and preparation process, some toxic and harmful gas is often generated, and it is necessary to adopt closed door to isolate gas.

[0003] Publication No. CN209586142U, refers to a kind of gas leakage type closed doors for chemical industry, by adopting inner door and outer door to form double door body structure, be provided with filling cavity in the middle, and the connecting portion is provided with first sealing strip, it is favorable to reduce the probability of gas leakage through door body, place the filling layer with absorption liquid in filling cavity, even if a small amount of gas penetrates into door body, absorption liquid can also absorb most of the gas, greatly reduce the possibility and quantity of gas leakage, but the door body is not good enough once installation sealing, chemical gas can also leak from the gap between door body and door frame, now there is an urgent need for a kind of gas leakage type closed door to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of gas leakage type closed doors to solve the problems raised in the above background art, the utility model designs a kind of multi-sealing structure, can realize the sealing installation between door body and door frame, and good sealing, will not cause chemical gas to easily leak.

[0005] In order to achieve the above object, the utility model is realized by the following technical scheme: a kind of gas leakage type closed door, including door body, door window sealing strip, door frame and sealing backboard, the hollow rubber strip is arranged on the upper and lower ends of the door body, the sealing backboard is fixed on the back of the door body, the door window sealing strip is fixed on the front end edge of the sealing backboard, the installation groove is formed in the door window sealing strip, the installation bottom piece is fixed in the installation groove, the plurality of reset springs are installed on the front end of the installation bottom piece, the soft magnetic strip is installed on the front end of the plurality of reset springs, the door body is installed in the door frame, the door window sealing strip is tightly attached to the front end of the door frame, and the rubber inner frame is fixed on the front end edge of the inner side of the door frame.

[0006] Further, the door handle is installed on the right side of the front end of the door body and the rear end of the sealing backboard.

[0007] Further, the lock cylinder assembly is installed on the right side of the door body, the lock cylinder slot is formed in the right side of the inside of the door frame, and the movable end of the lock cylinder assembly is inserted into the lock cylinder slot.

[0008] Further, the soft magnetic strip is magnetically attracted to the rear end edge of the door window sealing strip and the door frame.

[0009] Further, the left end of the sealing back plate is connected with the door frame through a plurality of hinge mounting seats.

[0010] Further, the rubber inner frame is attached to the front end edge of the door body.

[0011] The utility model discloses a kind of gas leakage type closed doors, because the utility model adds hollow rubber strip, sealing back plate, door and window sealing strip, soft magnetic strip, reset spring, mounting bottom piece, hinge mounting seat and rubber inner frame, through our design improvement and actual use show, the device structure is reasonable, practicality is good, design a kind of multi-sealing structure, it can realize the sealing installation between door body and door frame, and sealing is good, will not cause chemical gas to easily leak phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0013] Fig. 1 It is whole structure perspective diagram of the utility model one kind gas leakage type closed door;

[0014] Fig. 2 It is door body perspective diagram of the utility model one kind gas leakage type closed door;

[0015] Fig. 3 It is local door and window sealing strip internal structure diagram of the utility model one kind gas leakage type closed door;

[0016] In the drawing: 1-door body, 2-hollow rubber strip, 3-door handle, 4-sealing back plate, 5-door and window sealing strip, 6-mounting groove, 7-soft magnetic strip, 8-reset spring, 9-mounting bottom piece, 10-hinge mounting seat, 11-door frame, 12-rubber inner frame, 13-lock cylinder assembly. DETAILED DESCRIPTION

[0017] To make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0018] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of gas leakage prevention type closed door, including door body 1, door and window sealing strip 5, door frame 11 and sealing backplate 4, and door body 1 upper and lower end is provided with hollow rubber strip 2, and the back of door body 1 is fixed with sealing backplate 4, and the front end edge of sealing backplate 4 is fixed with door and window sealing strip 5, and the inside of door and window sealing strip 5 is provided with installation groove 6, and the inside rear end of installation groove 6 is fixed with installation bottom piece 9, and the front end of installation bottom piece 9 is installed with multiple reset springs 8, and the front end of multiple reset springs 8 is installed with soft magnetic strip 7, and door body 1 is installed in door frame 11, and the front end of door and window sealing strip 5 is tightly attached to door frame 11, and the inside front end edge of door frame 11 is fixed with rubber inner frame 12, and the design solves the problem that original device door body is not good enough once installation sealing, and chemical gas can also leak from the gap between door body and door frame.

[0019] As the first embodiment of the utility model: door handle 3 is installed at the right side of the front end of door body 1 and the right side rear end of sealing backplate 4, lock core assembly 13 is installed at the right side of door body 1, lock core groove is formed in the right side inside of door frame 11, and the movable end of lock core assembly 13 is inserted into lock core groove.

[0020] Soft magnetic strip 7 is magnetically attracted to the rear end edge of door and window sealing strip 5 and door frame 11, and the magnetic attraction of the added soft magnetic strip 7 to the rear end edge of door and window sealing strip 5 and door frame 11 can ensure the sealing of the front end of door and window sealing strip 5 and door frame 11. The left end of sealing backplate 4 is connected to door frame 11 through multiple hinge mounting seats 10, and the added multiple hinge mounting seats 10 facilitate the movable installation between the left end of sealing backplate 4 and door frame 11. Rubber inner frame 12 is attached to the front end edge of door body 1, and the added rubber inner frame 12 can shield the gap between the front end edge of door body 1 and door frame 11.

[0021] As the second embodiment of the utility model: in actual use, soft magnetic strip 7 is magnetically attracted to the rear end edge of door and window sealing strip 5 and door frame 11, and under the thrust of multiple reset springs 8, the sealing of the front end of door and window sealing strip 5 and door frame 11 can be ensured, the upper and lower sides of the inside of two hollow rubber strips 2 are tightly attached to door frame 11, and rubber inner frame 12 is attached to the front end edge of door body 1, which can shield the gap between the front end edge of door body 1 and door frame 11, ensure the sealing between door body 1 and door frame 11, and effectively prevent chemical gas from easily leaking.

[0022] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0023] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A gas leakage prevention type closed door comprising a door body (1), a door and window sealing strip (5), a door frame (11) and a sealing back plate (4), characterized in that: The door body (1) is provided with hollow rubber strips (2) at the upper and lower ends, and a sealing back plate (4) is fixed to the back of the door body (1); The sealing back plate (4) is provided with a door and window sealing strip (5) at the front end edge, the door and window sealing strip (5) is internally provided with an installation groove (6), the installation groove (6) is internally provided with an installation bottom sheet (9) at the rear end, the installation bottom sheet (9) is provided with a plurality of reset springs (8) at the front end, the plurality of reset springs (8) are provided with soft magnetic strips (7) at the front end, the door body (1) is installed in a door frame (11), the door and window sealing strip (5) is tightly attached to the door frame (11) at the front end, and a rubber inner frame (12) is fixed to the inside front end edge of the door frame (11).

2. The gas leakproof closed door according to claim 1, wherein: The door body (1) is provided with a door handle (3) at the right front end and the rear right end of the sealing back plate (4).

3. The gas leakproof closure door according to claim 1, wherein: The door body (1) is provided with a lock cylinder assembly (13) at the right middle, the door frame (11) is internally provided with a lock cylinder groove at the right middle, and the movable end of the lock cylinder assembly (13) is inserted into the lock cylinder groove.

4. The gas leakproof closure door according to claim 1, wherein: The soft magnetic strips (7) are magnetically attracted to the rear end edges of the door and window sealing strip (5) and the door frame (11).

5. The gas leakproof closure door according to claim 1, wherein: The sealing back plate (4) is connected to the door frame (11) through a plurality of hinge mounting seats (10) at the left end.

6. The gas leakproof closure door according to claim 1, wherein: The rubber inner frame (12) is attached to the front end edge of the door body (1).

Citation Information

Patent Citations

  • Chemical gas leakage prevention type sealing door

    CN209586142U