Quick opening and closing access door of dust remover

By designing a quick-opening and closing inspection door for the dust collector, using a flexible bolt and quick-change nut structure, combined with sealing strips and reinforcing ribs, the problems of time-consuming and labor-intensive inspection door operation and dust overflow in the existing technology are solved, and quick and sealed inspection door operation is achieved.

CN223423874UActive Publication Date: 2025-10-10HANRUI PUZER BULK HANDLING TECH (SHANGHAI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422912882.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-10
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing dust collector inspection doors require the removal of multiple bolts, which is time-consuming and labor-intensive, and it is difficult to effectively prevent dust from escaping.

Method used

A quick-opening and closing inspection door for dust collector is designed, which adopts a movable bolt and quick-change nut structure, combined with sealing strips and reinforcing ribs to achieve quick opening and closing and sealing effects.

Benefits of technology

The inspection door can be opened and closed quickly to prevent dust from escaping, which saves time and effort in operation and has sufficient strength to prevent dust from escaping.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223423874U_ABST
    Figure CN223423874U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of dust removers, in particular to a quick opening and closing access door of a dust remover, which comprises a door plate, a sealing strip, a door frame, a hinge seat, a pin shaft, a loose joint bolt, a quick-change nut and a cotter pin, a rotating seat is arranged on one side of the door plate, the rotating seat of the door plate is mounted on the hinge seat, and the hinge seat is connected with the door frame. A sealing strip is arranged between the door plate and the door frame, the door plate and the door frame are sealed through the sealing strip, a pin shaft is inserted into the hinge seat, a cotter pin is installed on the pin shaft, the door plate can rotate around the pin shaft, one end of the loose joint bolt is rotatably connected with the pin shaft, the other end of the loose joint bolt is matched with the quick-change nut, and the quick-change nut is installed on the door plate. Through the structural design, the loose joint bolt and the quick-change nut are ingeniously used, the loose joint bolt can be rotated to loosen a door plate, an access door can be quickly opened and a dust remover can be maintained only by slightly unscrewing without rotating many circles in the screwing and unscrewing process, dust can be effectively prevented from overflowing, and time and labor are saved in operation.
Need to check novelty before this filing date? Find Prior Art

Description

[Technical field]

[0001] The utility model relates to the technical field of dust collectors, in particular to a quick-opening and closing inspection door for a dust collector. [Background Technology]

[0002] Dust collectors are widely used devices and are often equipped with access doors for easy maintenance. Conventional access doors typically connect the door panel to the door frame with bolts, with a gasket between the door frame and the door panel. Maintenance requires removing all bolts and the door panel, which is time-consuming and labor-intensive. A new type of quick-opening and closing access door for dust collectors could avoid these inconveniences and save time and effort. [Utility Model Content]

[0003] The purpose of the present invention is to solve the above-mentioned deficiencies and provide a dust collector quick opening and closing inspection door, which can not only quickly open and close the inspection door, making maintenance convenient, but also effectively prevent dust from overflowing, and is time-saving and labor-saving to operate.

[0004] In order to achieve the above-mentioned purpose, a dust collector quick opening and closing inspection door is designed, including a door panel 1, a sealing strip 2, a door frame 3, a hinge seat 4, a pin shaft 5, a movable bolt 6, a quick-change nut 7 and a cotter pin 8. A rotating seat is provided on one side of the door panel 1, and the rotating seat of the door panel 1 is installed on the hinge seat 4. The hinge seat 4 is connected to the door frame 3. A sealing strip 2 is provided between the door panel 1 and the door frame 3, and is sealed by the sealing strip 2. A pin shaft 5 is inserted in the hinge seat 4, and a cotter pin 8 is installed on the pin shaft 5. The door panel 1 can rotate around the pin shaft 5, and one end of the movable bolt 6 can be rotatably connected to the pin shaft 5. The other end of the movable bolt 6 is adapted to the quick-change nut 7, and the quick-change nut 7 is installed on the door panel 1.

[0005] Furthermore, the door panel 1 is bent internally to form a groove, a sealing strip 2 is embedded in the groove, and the door frame 3 is sealed by the sealing strip 2, thereby further effectively preventing dust from escaping.

[0006] Furthermore, a sealing block 9 is provided at the top front end of the door frame 3 and is connected to the sealing strip 2 through the sealing surface of the sealing block 9. The sealing block 9 is used to prevent the door frame 3 from cutting the sealing strip 2 and causing the sealing strip 2 to fail.

[0007] Furthermore, the door panel 1 is formed by bending a metal plate, and reinforcing ribs are welded around the periphery of the door panel 1 , and the reinforcing ribs are used to increase the strength of the door panel 1 to prevent the door panel 1 from deformation.

[0008] Furthermore, the door panel 1 is provided with slot-shaped holes on four sides, the slot-shaped holes are opened on the reinforcing ribs, and the movable bolts 6 are installed in the slot-shaped holes.

[0009] Furthermore, the movable bolt 6 can be rotated after the quick-change nut 7 is loosened to disengage the slotted hole and thus loosen the door panel 1; after the movable bolt 6 disengages the slotted hole, it is lifted up again and the door panel 1 is tightened by tightening the quick-change nut 7.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] (1) The present invention cleverly uses a flexible bolt and a quick-change nut through structural design. During the process of tightening and loosening, there is no need to rotate many turns. Just slightly loosen the flexible bolt to rotate and loosen the door panel, quickly open the inspection door, and repair the dust collector.

[0012] (2) The door panel of the utility model is formed by bending, and reinforcement ribs are welded around the periphery to increase strength, so the door panel has good rigidity and is not easy to deform;

[0013] (3) The rotating seat of the door panel of the utility model can rotate and can also move along the force direction to make the quick-change nut press the door frame;

[0014] (4) The sealing strip of the utility model has a certain width and thickness, so as to have a sufficient sealing area, thereby achieving a good sealing effect and further effectively preventing dust from overflowing;

[0015] (5) The sealing surface of the door frame of the present invention has a certain width, so that when it is combined with the sealing strip, the door frame will not cut the sealing strip and make the sealing strip ineffective;

[0016] (6) The utility model can not only quickly open and close the inspection door, but also has sufficient strength to prevent the internal pressure of the dust collector from being too high, which may cause dust to overflow, and the operation is time-saving and labor-saving. [Brief Description of the Drawings]

[0017] Figure 1 It is a front structural schematic diagram of the utility model;

[0018] Figure 2 It is a side structural schematic diagram of the utility model;

[0019] Figure 3 yes Figure 1 Middle DD section view;

[0020] Figure 4 yes Figure 3 A partial enlarged view of

[0021] In the figure: 1, door panel 2, sealing strip 3, door frame 4, hinge seat 5, pin 6, joint bolt 7, quick-change nut 8, cotter pin 9, sealing block. [Specific implementation method]

[0022] As attached Figure 1 To the attached Figure 4 As shown, the utility model provides a dust collector quick opening and closing inspection door, including a door panel 1, a sealing strip 2, a door frame 3, a hinge seat 4, a pin shaft 5, a movable bolt 6, a quick-change nut 7 and a cotter pin 8. A rotating seat is provided on one side of the door panel 1, and the rotating seat of the door panel 1 is installed on the hinge seat 4. The hinge seat 4 is connected to the door frame 3. A sealing strip 2 is provided between the door panel 1 and the door frame 3, and is sealed by the sealing strip 2. A pin shaft 5 is inserted in the hinge seat 4, and a cotter pin 8 is installed on the pin shaft 5. The door panel 1 can rotate around the pin shaft 5, and one end of the movable bolt 6 can be rotatably connected to the pin shaft 5. The other end of the movable bolt 6 is adapted to the quick-change nut 7, and the quick-change nut 7 is installed on the door panel 1.

[0023] Among them, the door panel 1 is bent inside to form a groove, a sealing strip 2 is embedded in the groove, and the door frame 3 is sealed by the sealing strip 2, thereby further effectively preventing dust from overflowing; a sealing block 9 is provided at the top front end of the door frame 3, and the sealing strip 2 is connected with the sealing block 9 through the sealing surface of the sealing block 9. The sealing block 9 is used to prevent the door frame 3 from cutting the sealing strip 2 and causing the sealing strip 2 to fail.

[0024] The door panel 1 is formed by bending a metal plate, and reinforcing ribs are welded around the periphery of the door panel 1. The reinforcing ribs are used to increase the strength of the door panel 1 to prevent the door panel 1 from deformation; slot holes are provided on the four sides of the door panel 1, and the slot holes are opened on the reinforcing ribs, and the movable bolts 6 are installed in the slot holes; the movable bolts 6 can be rotated to disengage the slot holes and then loosen the door panel 1 after the quick-change nut 7 is loosened; after the movable bolts 6 disengage from the slot holes are lifted again, the door panel 1 is tightened by tightening the quick-change nut 7.

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0026] A quick-opening and closing dust collector inspection door comprises a door panel 1, a sealing strip 2, a door frame 3, a hinge seat 4, a pin 5, a joint bolt 6, a quick-change nut 7, and a cotter pin 8. The sealing strip 2 is embedded within the bent groove of the door panel 1. The door panel 1 is connected to the door frame 3 via its own rotating seat, the pin 5, the cotter pin 8, and the hinge seat 4. Reinforcing ribs are welded around the perimeter of the door panel 1. During disassembly, simply loosening the quick-change nut 7 allows the joint bolt 6 to rotate and release the door panel 1, allowing the door panel 1 to rotate about its center of rotation to open the inspection door. This utility model not only allows for quick opening and closing of the inspection door, but also provides sufficient strength to prevent excessive internal pressure in the dust collector from escaping dust. The door panel 1 is bent for strength and has reinforced ribs welded around its perimeter to increase its strength, providing excellent rigidity and resisting deformation. The rotating seat of the door panel 1 can rotate and also move in the direction of force applied, causing the quick-change nut 7 to compress the door panel 1. The sealing strip 2 has a certain width and thickness, providing a sufficient sealing area, ensuring a good sealing effect. The sealing surface of the door frame 3 has a certain width, which prevents the sealing strip 2 from being cut and losing its sealing function when it is combined with the door frame 3. The use of the union bolt 6 and the quick-change nut 7 makes it possible to rotate the union bolt and loosen the door panel 1 without having to rotate it too many times during the tightening and loosening process.

[0027] The door panel 1 of the present invention is mounted on a hinge base, a pin is inserted, and a cotter pin is installed on the pin, allowing the door panel to rotate about the pin. A sealing strip is embedded in a curved groove within the door panel to achieve a sealing function for the door panel. Slotted holes are provided on all four sides of the door panel, and joint bolts are installed in these holes. Quick-change nuts are installed to quickly tighten and loosen the door panel. Furthermore, one side of the door panel has a rotating base with welded reinforcing ribs formed around the perimeter. During disassembly, simply loosening the quick-change nut slightly allows the joint bolts to disengage from the slotted holes, releasing the door panel. The door panel can then be rotated about the rotation center of the hinge base to open the access door.

[0028] When installing the quick maintenance door of the dust collector, the utility model closes the door, lifts the movable bolt, tightens the quick-change nut, the rotating slot hole of the door panel can move a certain distance, the quick-change nut presses the door panel, the door panel presses the sealing gasket, and the door panel is installed to prevent dust and gas from leaking.

[0029] When the utility model is used to inspect and repair the dust collector, the user only needs to loosen the quick-change nut and turn down the flexible bolt to quickly open the inspection door to inspect the dust collector.

[0030] The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field. The standard parts used can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connections adopt conventional connection methods in the existing technology, which will not be described in detail here.

[0031] The present invention is not limited to the above-mentioned embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A dust collector quick opening and closing inspection door, comprising a door panel (1), a sealing strip (2), a door frame (3), a hinge seat (4), a pin (5), a movable bolt (6), a quick-change nut (7) and a cotter pin (8), characterized in that: A rotating seat is provided on one side of the door panel (1), and the rotating seat of the door panel (1) is installed on a hinge seat (4). The hinge seat (4) is connected to the door frame (3). A sealing strip (2) is provided between the door panel (1) and the door frame (3), and is sealed by the sealing strip (2). A pin shaft (5) is inserted into the hinge seat (4), and a cotter pin (8) is installed on the pin shaft (5). The door panel (1) is rotatable around the pin shaft (5). One end of the movable bolt (6) is rotatably connected to the pin shaft (5), and the other end of the movable bolt (6) is adapted to a quick-change nut (7), and the quick-change nut (7) is installed on the door panel (1).

2. The quick opening and closing inspection door for a dust collector according to claim 1, characterized in that: The door panel (1) is internally bent to form a groove, a sealing strip (2) is embedded in the groove, and the door panel (1) is sealed and connected to the door frame (3) via the sealing strip (2).

3. The dust collector quick opening and closing inspection door according to claim 2, characterized in that: A sealing block (9) is provided at the front end of the top of the door frame (3), and is connected to the sealing strip (2) through the sealing surface of the sealing block (9). The sealing block (9) is used to prevent the door frame (3) from cutting the sealing strip (2) and causing the sealing strip (2) to fail.

4. The dust collector quick opening and closing inspection door according to claim 1, 2 or 3, characterized in that: The door panel (1) is formed by bending a metal plate, and reinforcement ribs are welded around the periphery of the door panel (1), and the reinforcement ribs are used to increase the strength of the door panel (1) to prevent the door panel (1) from deformation.

5. The dust collector quick opening and closing inspection door according to claim 4, characterized in that: The door panel (1) is provided with slotted holes on four sides, the slotted holes are opened on the reinforcing ribs, and the movable bolts (6) are installed in the slotted holes.

6. The dust collector quick opening and closing inspection door according to claim 5, characterized in that: The movable bolt (6) can be rotated after the quick-change nut (7) is loosened to disengage the slotted hole and thus loosen the door panel (1); the movable bolt (6) that has disengaged the slotted hole is lifted up again and then tightened by tightening the quick-change nut (7) to thereby press the door panel (1).