An inspection door

Abstract

The utility model relates to the technical field of inspection doors, and in particular to an inspection door, which is light and convenient to use, has a good wind-locking effect, prevents air leakage and dust leakage, plays a better sealing role, and creates a good working environment; it comprises a frame and a door body, the frame is connected to the door body through a movable shaft, the movable shaft comprises a U-shaped close-fitting rotating bracket and an L-shaped close-fitting rotating bracket, a fixing component is installed at the right end of the frame, the fixing component comprises two mounting frames, two rotating sleeves, two screws, and two rotating wheels, and a sealing component is installed on the contact surface of the door body and the frame, and the sealing component comprises an outer frame and a labyrinth-type sealing door cover.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection doors, in particular to an inspection door. Background Art

[0002] For non-standard equipment and pipelines in many industries, such as cyclone dust collectors, flues, hot air ducts, etc., it is necessary to add inspection doors in some parts that are easy to inspect, so as to facilitate the cleaning of the interior or the replacement of wearing parts. For example, a maintenance door proposed in the prior art publication number CN203547400U includes a detachable door frame set on the door frame, a door bolt set on both sides of the door frame and a fastening device for fixing the door bolt, a buckle cover, a sealing gasket is set between the door frame and the door frame, a notch is opened on the door frame, a sealing felt is set in the notch, the buckle cover is rotatably connected with the door bolt, and a protrusion matching the notch is set on the edge of the buckle cover. For a long time, the inspection doors of many equipment such as preheaters and dust collectors of cement production enterprises are relatively old. The structural design of the universal preheater inspection door device is too simple, and the structural firmness and stability are poor. In the actual application process, there are often problems such as poor sealing and air leakage, which causes pollution, energy waste and gas emissions that do not meet the standards, and enterprises are forced to suspend production and rectify due to these problems. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an inspection door which is light and convenient to use, has a good wind-locking effect, prevents air leakage and dust leakage, plays a better sealing role, and creates a good working environment.

[0004] The utility model provides an inspection door, comprising a frame and a door body, wherein the frame is connected to the door body through a movable shaft, a fixing component is installed at the right end of the frame, and a sealing component is installed at the contact surface of the door body and the frame; the frame is installed at the inspection port of the equipment, the door body is connected to the frame through the movable shaft, and is flexible to open and close, and can be fully opened, so that it is convenient for personnel to inspect and check, and after opening, the movable shaft plays a supporting role, the door body is locked to the frame through the fixing component, and is not easy to loosen after locking, and is easy to operate, the sealing component has an excellent wind locking effect, and prevents air leakage and dust leakage, plays a better sealing role, and creates a good working environment.

[0005] Preferably, the movable axis includes a U-shaped close-fitting rotating bracket and an L-shaped close-fitting rotating bracket, the U-shaped close-fitting rotating bracket is fixedly connected to the outer wall of the right side wall of the frame, the L-shaped close-fitting rotating bracket is fixedly connected to the door body, and the L-shaped close-fitting rotating bracket is rotatably inserted on the U-shaped close-fitting rotating bracket; through the cooperation of the U-shaped close-fitting rotating bracket and the L-shaped close-fitting rotating bracket, the door body can be opened and closed flexibly and can be fully opened, which is convenient for personnel to overhaul and check, and plays a supporting role after opening.

[0006] Preferably, the sealing assembly includes an outer frame and a labyrinth-type sealing door cover, the front end of the frame is fixedly connected to the outer frame, a sealing strip is installed inside the outer frame, and a labyrinth-type sealing door cover is fixedly installed inside the door body; when the door body is closed, it forms multiple bites with the outer frame and is in a labyrinth state, and the labyrinth-type sealing door cover and the sealing strip have an excellent wind locking effect, which prevents air leakage and dust leakage, plays a better sealing role, and creates a good working environment.

[0007] Preferably, the fixing assembly includes two mounting frames, two rotating sleeves, two screw rods, two rotating wheels and a limit plate. The two mounting frames are fixedly mounted on the upper and lower ends of the left side wall of the frame, and the rotating sleeve is rotatably mounted in the middle of the mounting frame. A screw rod is fixedly connected to the outer wall of the rotating sleeve, and a limit plate is fixedly connected to the outer wall of the rotating wheel and the outer wall of the door body at a position corresponding to the screw rod, and a fixed opening is provided on the limit plate. After the door body is closed, the rotating sleeve is rotated to make the screw rod enter the fixed opening of the limit plate, and the rotating wheel is tightened for fixed limit. The machine can move forward and backward by rotating. It is not easy to loosen after locking, and the operation is convenient.

[0008] Preferably, a low wedge is fixedly connected to the inner wall of the door body; the low wedge can be more suitable for large and heavy inspection doors, is light and convenient during use, and is not prone to jamming.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the frame is installed at the inspection port of the equipment, the door body is connected to the frame body through a movable shaft, it is flexible to open and close, and can be fully opened, which is convenient for personnel to inspect and repair, and the movable shaft plays a supporting role after opening, and the door body is locked on the frame body through a fixed component. After locking, it is not easy to loosen and is easy to operate. The sealing component has an excellent wind locking effect, which prevents air leakage and dust leakage, plays a better sealing role, and creates a good working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0012] Figure 3 It is a front structural schematic diagram of the utility model;

[0013] Figure 4 It is a left-side structural schematic diagram of the utility model;

[0014] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model viewed from above;

[0015] Markings in the attached drawings: 1. frame; 2. door body; 3. U-shaped close-fitting rotating bracket; 4. L-shaped close-fitting rotating bracket; 5. outer frame; 6. labyrinth sealing door cover; 7. mounting frame; 8. rotating sleeve; 9. screw rod; 10. rotating wheel; 11. limit plate; 12. low wedge block. DETAILED DESCRIPTION

[0016] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0017] like Figures 1 to 5 As shown, the frame 1 is connected to the door body 2 through a movable shaft, and the movable shaft includes a U-shaped close-fitting rotating bracket 3 and an L-shaped close-fitting rotating bracket 4. The U-shaped close-fitting rotating bracket 3 is fixedly connected to the outer wall of the right side wall of the frame 1, and the L-shaped close-fitting rotating bracket 4 is fixedly connected to the door body 2. The L-shaped close-fitting rotating bracket 4 is rotatably inserted into the U-shaped close-fitting rotating bracket 3. The front end of the frame 1 is fixedly connected to an outer frame 5, and a sealing strip is installed inside the outer frame 5. A labyrinth-type sealing door cover 6 is fixedly installed inside the door body 2. Two mounting frames 7 are fixedly installed at the upper and lower ends of the left side wall of the frame 1. A rotating sleeve 8 is rotatably installed in the middle of the mounting frame 7. A screw rod 9 is fixedly connected to the outer wall of the rotating sleeve 8, and a rotating wheel 10 is screwed on the outer wall of the screw rod 9. A limiting plate 11 is fixedly connected to the position corresponding to the screw rod 9 on the outer wall of the door body 2, and a fixed opening is provided on the limiting plate 11. A low wedge block 12 is fixedly connected to the inner wall of the door body 2.

[0018] Through the cooperation of the U-shaped close-fitting rotating bracket 3 and the L-shaped close-fitting rotating bracket 4, the door body 2 can be opened and closed flexibly and can be fully opened, which is convenient for personnel to inspect and repair, and plays a supporting role after opening. After the door body 2 is closed, it forms multiple bites with the outer frame 5 and is in a maze state. The maze-type sealing door cover 6 and the sealing strip have an excellent wind locking effect, which eliminates air leakage and dust leakage, plays a better sealing role, and creates a good working environment. After the door body 2 is closed, the rotating sleeve 8 is rotated to make the screw rod 9 enter the fixed opening of the limit plate 11, and the rotating wheel 10 is tightened to fix the door body 2. It can be rotated to move forward and backward. It is not easy to loosen after locking, and it is easy to operate. Through the low wedge block 12, it can be more suitable for large and heavy inspection doors. It is light and convenient during use and is not easy to get stuck.

[0019] like Figures 1 to 5As shown, the utility model is an inspection door, which, when working, can make the door body 2 open and close flexibly through the cooperation of the U-shaped close-fitting rotating bracket 3 and the L-shaped close-fitting rotating bracket 4. After the door body 2 is closed, the rotating sleeve 8 is rotated to make the screw rod 9 enter the fixed opening of the limit plate 11, and the rotating wheel 10 is tightened to fix the door body 2. After the door body 2 is closed, it forms multiple bites with the outer frame 5 and is in a maze state. The labyrinth-type sealing door cover 6 and the sealing strip have an excellent wind locking effect, which prevents air leakage and dust leakage and plays a better sealing effect.

[0020] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An access door, characterized in that: The invention comprises a frame (1) and a door body (2), wherein the frame (1) is connected to the door body (2) via a movable shaft, a fixing component is installed at the right end of the frame (1), and a sealing component is installed at the contact surface between the door body (2) and the frame (1); the sealing component comprises an outer frame (5) and a labyrinth-type sealing door cover (6), the front end of the frame (1) is fixedly connected to the outer frame (5), a sealing strip is installed inside the outer frame (5), and the labyrinth-type sealing door cover (6) is fixedly installed inside the door body (2); the fixing component comprises two mounting frames (7), two The invention relates to a door body (2) and a door frame (3), wherein the door body (3) comprises a rotating sleeve (8), two screw rods (9), two rotating wheels (10) and two limiting plates (11); the two mounting frames (7) are fixedly mounted on the upper and lower ends of the left side wall of the frame body (1); the rotating sleeve (8) is rotatably mounted on the middle part of the mounting frame (7); the outer wall of the rotating sleeve (8) is fixedly connected with the screw rod (9); the rotating wheel (10) is screwed on the outer wall of the screw rod (9); the limiting plate (11) is fixedly connected to the position on the outer wall of the door body (2) corresponding to the screw rod (9); and the limiting plate (11) is provided with a fixed opening.

2. An access door as claimed in claim 1, characterized in that: The movable shaft comprises a U-shaped close-fitting rotating bracket (3) and an L-shaped close-fitting rotating bracket (4); the U-shaped close-fitting rotating bracket (3) is fixedly connected to the outer wall of the right side wall of the frame (1); the L-shaped close-fitting rotating bracket (4) is fixedly connected to the door body (2); and the L-shaped close-fitting rotating bracket (4) is rotatably inserted into the U-shaped close-fitting rotating bracket (3).

3. The inspection door according to claim 1, characterized in that: A low wedge block (12) is fixedly connected to the inner wall of the door body (2).

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