Novel access hole sealing device

The modular design of the columns, support bases, and locking components solves the problem of inconsistent sizes of the sweeper's inspection ports, enabling flexible matching and sealing between the inspection ports and the maintenance parts, thus improving maintenance efficiency and sealing performance.

CN223891836UActive Publication Date: 2026-02-10ANSTEEL REAL ESTATE DEVELOPMENT GROUP ARCHITECTURAL DESIGN INSTITUTE CO LTD +1
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Patent Information

Application Number
CN202520583266.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-10
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing technologies cannot effectively solve the problem of inconsistent sizes between the sweeper's inspection port and the cleaning port, resulting in a mismatch between the inspection port and the inspection area, which affects maintenance efficiency.

Method used

It adopts a modular design consisting of columns, support bases, upper and lower frames, sealing plates, and locking components. The movable access door assembly and rotating cover hook enable flexible matching and sealing of the access port, adapting to different size requirements.

Benefits of technology

It achieves flexible matching between the inspection port and the inspection part, improves maintenance efficiency, facilitates mass production and assembly, and enhances sealing performance and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sweeper access hole sealing, and discloses a novel access hole sealing device which comprises a stand column, the bottom end of the stand column is fixedly connected with an anti-skid leg column, the top end of the stand column is fixedly connected with a supporting seat, and the inner side of the supporting seat is fixedly connected with an upper frame. The top of the upper frame is fixedly connected with a sealing top plate. According to the utility model, through the locking assembly, the movable access door assemblies and the rotary cover hook, one group of movable access door assemblies is inserted into the upper access hole formed by the upper frame and the middle frame, the other group of movable access door assemblies is inserted into the lower access hole formed by the middle frame and the lower frame, and after the movable access door assemblies are loosened, the rotary cover hook automatically locks the movable access door assemblies to realize sealing; when maintenance is needed, the movable access door assembly can be rapidly taken down according to a maintenance part, flexible matching of the maintenance part and the access port is ensured, the modular design is simple and easy to use, uniform size of the access ports in a belt system dust source modification project is ensured, and batch production is facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of cleaning device inspection port sealing technology, and in particular to a novel inspection port sealing device. Background Technology

[0002] In the dust source control project of belt conveyor system, it is necessary to use the sealing device of the inspection port to seal the inspection port and cleaning port of the sweeper.

[0003] Chinese Patent Publication No. CN 221719689U discloses a sealing device for an inspection port and a cleaning port, including a stainless steel door frame. A sealing mechanism is provided on one side of the stainless steel door frame. The sealing mechanism includes a rubber plate, a stainless steel plate on the front side of the rubber plate, and a pre-made bolt on the back side of the rubber plate. The front side of the pre-made bolt passes through the rubber plate and the stainless steel plate and extends to the front side of the stainless steel plate. When inspection or cleaning is required, the handle of the inspection port or cleaning port can be grasped with one hand and pulled to quickly open the clamp and open the inspection port or cleaning port. When the inspection or cleaning is finished, by pushing the handle backward through the sealing mechanism, the handle drives the stainless steel plate to rotate, and the stainless steel plate drives the rubber plate to move, so that the rubber plate is in close contact with the stainless steel door frame, thereby achieving a good sealing effect.

[0004] While the aforementioned technologies have achieved the sealing of the sweeper's inspection port and cleaning port, they cannot solve the problem of the sweeper's inspection port and cleaning port being of different sizes. The inspection port still needs to be customized or opened at intervals, which can easily lead to the inspection port not matching the inspection part, thus affecting the maintenance efficiency and making it inconvenient to use. Therefore, a new type of sealing device for the inspection port is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a novel sealing device for inspection ports, aiming to solve the problem in the prior art that the inspection ports and cleaning ports of the sweeper are of different sizes, and that it is still necessary to customize or open the inspection ports at intervals, which can easily lead to the inspection ports not corresponding to the inspection parts, thus affecting the maintenance efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a novel inspection port sealing device, comprising a column, an anti-slip leg fixedly connected to the bottom end of the column, a support base fixedly connected to the top end of the column, an upper frame fixedly connected to the inner side of the support base, a sealing top plate fixedly connected to the top of the upper frame, an upper sealing plate fixedly connected to the outer surface of the upper frame, a middle frame fixedly connected to the inner wall of the column, a locking assembly provided on the outer surface of the middle frame and the upper sealing plate, a lower frame fixedly connected to the inner wall of the column, a movable inspection door assembly provided on the side of the upper frame and the lower frame near the middle frame, and a lower sealing plate fixedly connected to the outer surface of the column.

[0007] As a further description of the above technical solution:

[0008] The locking assembly includes a connecting seat, and there are two sets of connecting seats. One end of one set of connecting seats is fixedly connected to the outer surface of the sealing top plate, and one end of the other set of connecting seats is fixedly connected to the outer surface of the middle frame. The other ends of the two sets of connecting seats are fixedly connected with connecting bolts.

[0009] As a further description of the above technical solution:

[0010] A rotating cap hook is fitted around the outer periphery of the connecting bolt, and a locking bolt is threaded onto the end of the connecting bolt.

[0011] As a further description of the above technical solution:

[0012] The movable maintenance door assembly consists of two sets, each set comprising a stainless steel plate. A raised frame is fixedly connected to the outer surface of the stainless steel plate, and a recessed frame is fixedly connected to the inner surface of the stainless steel plate. One set of movable maintenance door assemblies is movably mounted between the upper frame and the inner wall of the middle frame via the recessed frame, while the other set of movable maintenance door assemblies is movably mounted between the lower frame and the inner wall of the middle frame via the recessed frame.

[0013] As a further description of the above technical solution:

[0014] The outer surface of the convex frame is provided with anti-slip convex strips, and the outer surface of the convex frame is attached to the inner surface of the rotating cover hook.

[0015] As a further description of the above technical solution:

[0016] The column and the support base form a T-shaped frame column structure, and the outer surface of the support base is provided with a connecting through hole.

[0017] As a further description of the above technical solution:

[0018] The upper sealing plate has sealing clearance grooves on both sides, and the inner wall of the sealing clearance groove on the adjacent side of the two upper sealing plates is adapted to the outer wall size of the support base.

[0019] As a further description of the above technical solution:

[0020] The lower frame is constructed of L-shaped angle steel.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by using a locking component and a movable maintenance door component, and rotating the rotating cover hook, one set of movable maintenance door components is inserted into the upper maintenance hole composed of the upper frame and the middle frame, and the other set is inserted into the lower maintenance hole composed of the middle frame and the lower frame. After releasing, the rotating cover hook automatically locks the movable maintenance door components to achieve a seal. When maintenance is required, the movable maintenance door components can be quickly removed according to the maintenance location, ensuring that the maintenance location and the maintenance port are flexibly matched. This modular design is simple and easy to use, ensuring that the size of each maintenance port in the dust source transformation project of the belt system is uniform, which is convenient for mass production.

[0023] 2. In this utility model, the upper frame, sealing top plate, and upper sealing plate are connected by a column, a support base, an upper frame, a sealing top plate, and an upper sealing plate. The sealing clearance groove on the upper sealing plate cooperates with the support base to ensure the sealing of the upper inspection port between the upper frame and the middle frame. At the same time, the T-shaped frame column structure formed by the column and the support base, combined with the bolt-fixed upper frame, facilitates flexible assembly and use according to the length requirements of the belt system. The number of inspection port layers can be flexibly adjusted according to the height of the sealing requirements, thereby improving the overall applicability. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a novel inspection port sealing device proposed in this utility model.

[0025] Figure 2 A schematic diagram of the dismantling structure of the movable maintenance door assembly of a novel maintenance port sealing device proposed in this utility model;

[0026] Figure 3 An exploded view of the overall structure of a novel inspection port sealing device proposed in this utility model;

[0027] Figure 4 This utility model presents a schematic diagram of the upper sealing plate, middle frame, locking component, lower frame, and movable inspection door component of a novel inspection port sealing device.

[0028] Legend:

[0029] 1. Upright column; 2. Anti-slip leg column; 3. Support base; 4. Upper frame; 5. Sealed top plate; 6. Upper sealing plate; 7. Middle frame; 8. Locking assembly; 81. Connecting seat; 82. Connecting bolt; 83. Rotating cover hook; 84. Locking bolt; 9. Lower frame; 10. Lower sealing plate; 11. Movable access door assembly; 111. Stainless steel plate; 112. Raised frame; 113. Recessed frame; 114. Anti-slip raised strip. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figures 1-3 This utility model provides an embodiment of a novel inspection port sealing device, comprising a column 1 made of 4mm thick rectangular stainless steel pipe, with anti-slip leg columns 2 fixedly connected to the bottom end of the column 1, and a support base 3 with a through hole fixedly connected to the top end of the column 1. The column 1 and the support base 3 form a T-shaped frame column structure. The T-shaped frame column formed by the anti-slip leg columns 2, the column 1, and the support base 3 is welded and connected to the support frame of the belt system. An upper frame 4 is fixedly connected to the inner side of the support base 3 by bolts, and a sealing device is fixedly connected to the top of the upper frame 4 by bolts. The top plate 5 and the outer surface of the upper frame 4 are fixedly connected to the upper sealing plate 6. The upper sealing plate 6 has sealing relief grooves on both sides, and the inner wall of the sealing relief groove on the adjacent side of the two upper sealing plates 6 is adapted to the outer wall size of the support 3. The sealing relief groove of the upper sealing plate 6 combined with the support 3 can ensure the sealing of the upper inspection port between the upper frame 4 and the middle frame 7. At the same time, the T-shaped frame column structure composed of the column 1 and the support 3 combined with the bolt-fixed upper frame 4 can be flexibly assembled and used according to the required length of the belt system organization and closure.

[0032] Reference Figure 1 , Figure 3 and Figure 4The inner wall of the column 1 is fixedly connected to a middle frame 7 made of 4mm thick rectangular stainless steel pipe. The outer surface of the column 1 is fixedly connected to a lower sealing plate 10. The outer surfaces of the middle frame 7 and the upper sealing plate 6 are provided with locking components 8 for fixing the movable maintenance door assembly 11. The locking components 8 include two sets of connecting seats 81. One end of one set of connecting seats 81 is fixedly connected to the outer surface of the sealing top plate 5, and one end of the other set of connecting seats 81 is fixedly connected to the outer surface of the middle frame 7. The other ends of the two sets of connecting seats 81 are fixedly connected to... There is a connecting bolt 82, and a rotating cover hook 83 is sleeved on the outer periphery of the connecting bolt 82. A locking bolt 84 is threadedly connected to the end of the connecting bolt 82. A lower frame 9 made of L-shaped angle steel is fixedly connected to the inner wall of the column 1. Two sets of movable maintenance door assemblies 11 are provided on the side of the upper frame 4 and the lower frame 9 near the middle frame 7. The two sets of movable maintenance door assemblies 11 include stainless steel plates 111. A raised frame 112 is fixedly connected to the outer surface of the stainless steel plate 111, and a concave frame is fixedly connected to the inner surface of the stainless steel plate 111. 113, one set of movable maintenance door components 11 is movably secured between the inner walls of the upper frame 4 and the middle frame 7 via a concave frame 113, and the other set of movable maintenance door components 11 is movably secured between the inner walls of the lower frame 9 and the middle frame 7 via a concave frame 113. The outer surface of the convex frame 112 is provided with anti-slip convex strips 114, and the outer surface of the convex frame 112 is fitted to the inner surface of the rotating cover hook 83. By manually rotating the rotating cover hook 83, one set of movable maintenance door components 11 is inserted into the upper inspection door formed by the upper frame 4 and the middle frame 7. During the repair process, another set of movable access door components 11 is inserted into the lower access hole formed by the middle frame 7 and the lower frame 9. After releasing, the movable access door components 11 are locked with the rotating cover hook 83 to complete the sealing of the access port. Conversely, the movable access door components 11 can be quickly removed for maintenance. At the same time, the modular movable access door components 11 are simple to use, have fixed dimensions, and can be mass-produced in the future. The number of access port layers can be flexibly set by adding or removing the columns 1 and the middle frame columns 7 according to the height of the required sealing parts, thereby improving the overall applicability.

[0033] Working principle: In use, according to the required closed length of the belt system, a T-shaped frame column structure is formed by equally spaced columns 1 and support seats 3. The upper frame 4 is fixedly installed at the top with bolts, and the sealing top plate 5 is installed on the top of the upper frame 4 with bolts. The upper sealing plate 6 is fixedly installed on the outer surface of the upper frame 4. The height of the column 1 and the number of middle frame columns 7 can be adjusted according to the height of the part to be sealed, and the number of inspection port layers can be flexibly set. By rotating the rotating cover hook 83, the movable inspection door assembly 11 is inserted into the upper inspection hole formed by the upper frame 4 and the middle frame 7, and the lower inspection hole formed by the middle frame 7 and the lower frame 9. After releasing, the rotating cover hook 83 automatically locks the movable inspection door assembly 11, completing the sealing of the inspection port.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel sealing device for an inspection port, comprising a column (1), characterized in that: The bottom end of the column (1) is fixedly connected to an anti-slip leg column (2), the top end of the column (1) is fixedly connected to a support base (3), the inner side of the support base (3) is fixedly connected to an upper frame (4), the top of the upper frame (4) is fixedly connected to a sealing top plate (5), the outer surface of the upper frame (4) is fixedly connected to an upper sealing plate (6), the inner wall of the column (1) is fixedly connected to a middle frame (7), the outer surface of the middle frame (7) and the upper sealing plate (6) is provided with a locking component (8), the inner wall of the column (1) is fixedly connected to a lower frame (9), the side of the upper frame (4) and the lower frame (9) near the middle frame (7) is provided with a movable maintenance door component (11), and the outer surface of the column (1) is fixedly connected to a lower sealing plate (10).

2. The novel inspection port sealing device according to claim 1, characterized in that: The locking assembly (8) includes a connecting seat (81), which is provided in two sets. One end of the connecting seat (81) is fixedly connected to the outer surface of the sealing top plate (5), and one end of the connecting seat (81) is fixedly connected to the outer surface of the middle frame (7). The other ends of the two sets of connecting seats (81) are fixedly connected to connecting bolts (82).

3. The novel inspection port sealing device according to claim 2, characterized in that: A rotating cap hook (83) is sleeved on the outer periphery of the connecting bolt (82), and a locking bolt (84) is threaded to the end of the connecting bolt (82).

4. The sealing device for a novel inspection port according to claim 1, characterized in that: The movable maintenance door assembly (11) is provided in two sets. The two sets of movable maintenance door assemblies (111) include stainless steel plates (111). The outer surface of the stainless steel plates (111) is fixedly connected with a raised frame (112), and the inner surface of the stainless steel plates (111) is fixedly connected with a concave frame (113). One set of movable maintenance door assemblies (111) is movably fastened between the inner wall of the upper frame (4) and the middle frame (7) through the concave frame (113), and the other set of movable maintenance door assemblies (111) is movably fastened between the inner wall of the lower frame (9) and the middle frame (7) through the concave frame (113).

5. The novel inspection port sealing device according to claim 4, characterized in that: The outer surface of the convex frame (112) is provided with anti-slip convex strips (114), and the outer surface of the convex frame (112) is attached to the inner surface of the rotating cover hook (83).

6. The novel inspection port sealing device according to claim 1, characterized in that: The column (1) and the support base (3) form a T-shaped frame column structure, and the outer surface of the support base (3) is provided with a connecting through hole.

7. The novel inspection port sealing device according to claim 1, characterized in that: The upper sealing plate (6) has sealing relief grooves on both sides, and the inner wall of the sealing relief groove on the adjacent side of the two upper sealing plates (6) is adapted to the outer wall size of the support base (3).

8. The novel inspection port sealing device according to claim 1, characterized in that: The lower frame (9) is constructed of L-shaped angle steel.

Citation Information

Patent Citations

  • Sealing device for access hole and cleaning hole

    CN221719689U