Access door for dust removal system

Abstract

The utility model discloses an access door for a dust removal system, which comprises an access door frame and an access door cover plate, a sealing strip is arranged on a contact surface between the access door frame and the access door cover plate, and a plurality of groups of pressing components are arranged on the access door cover plate; each pressing assembly comprises a cover plate reinforcing rib, a supporting structure and a tightening structure. The supporting structure comprises a supporting plate and a pin shaft; the tightening structure comprises a fixing frame, a claw nut, an eyelet bolt and a thin nut. Maintenance times of a user can be reduced, the service life is prolonged, and use cost of the user is reduced.

Description

Technical Field

[0001] The utility model relates to an inspection door technology for a dust removal system, and more particularly to an inspection door for a dust removal system. Background Art

[0002] like Figure 1 As shown, the inspection door of a conventional dust removal system includes an inspection door cover plate 20, a cover plate reinforcement rib 21, an inspection door support plate 22, a first pin shaft 23, a second pin shaft 24 and a handle 25. The inspection door cover plate 20 is assembled on the inspection door frame. There are multiple cover plate reinforcement ribs 21, all of which are installed on the surface of the inspection door cover plate 20. The inspection door support plate 22 is set on the inspection door frame at the end position of the cover plate reinforcement rib 21. The cover plate reinforcement rib 21 is connected to the inspection door support plate 22 through the first pin shaft 23 and the second pin shaft 24. The handle 25 is installed on the surface of the cover plate reinforcement rib 21.

[0003] During actual use of conventional inspection doors, the sealing ring 26 between the inspection door cover plate 20 and the inspection door frame will age and harden over time, causing air leakage and leaks. Production must be suspended to replace the sealing ring before normal use. During this replacement operation, the first pin 23 and the second pin 24 on all the cover plate reinforcement ribs 21 are removed in sequence, and the inspection door cover plate 20 is lifted by the handle 25. This operation is relatively cumbersome and lacks automation. Utility Model Content

[0004] In view of the defects existing in the prior art, the purpose of the present invention is to provide an inspection door for a dust removal system, which can reduce the number of maintenance times for users, increase service life, and reduce customer usage costs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An access door for a dust removal system, comprising an access door frame and an access door cover plate, wherein a sealing strip is provided on the contact surface between the access door frame and the access door cover plate;

[0007] The inspection door cover is provided with multiple groups of pressing components;

[0008] Each set of the clamping components includes a cover plate reinforcement rib, a support structure and a tightening structure;

[0009] The cover plate reinforcement ribs are horizontally pressed against the upper surface of the inspection door cover plate;

[0010] Both ends of the cover plate reinforcement rib are connected to the inspection door frame through the support structure;

[0011] Both ends of the cover plate reinforcement rib are tightened by the tightening structure so that the cover plate reinforcement rib contacts the inspection door cover plate and presses the inspection door frame;

[0012] The support structure includes a support plate and a pin;

[0013] The support plates are provided in a pair and are vertically symmetrically arranged on the upper surface of the inspection door cover;

[0014] The support plates are each provided with waist holes corresponding to the positions;

[0015] Through holes corresponding to the waist holes are provided on both ends of the cover plate reinforcement ribs;

[0016] The pin passes through the waist hole and the through hole to connect the cover plate reinforcement rib with the support plate;

[0017] The tightening structure includes a fixing frame, a clevis nut, a movable bolt and a thin nut;

[0018] The fixing frame is connected between a pair of support plates;

[0019] The head of the movable bolt is sleeved on the pin shaft, and the tail passes through the cover plate reinforcement rib and is connected to the fixing frame;

[0020] The clevis nut is sleeved on the tail of the swing bolt;

[0021] The thin nut is sleeved on the swing bolt.

[0022] Preferably, compression springs are mounted on the lower portion of the pin shaft and on the movable bolt between the thin nut and the fixing frame.

[0023] Preferably, the clamping components are provided with at least three groups, which are respectively located at the upper, middle and lower positions of the inspection door cover.

[0024] Preferably, a gasket is provided between the fixing frame and the support plate, and between the cleat nut and the fixing frame.

[0025] Preferably, the sealing strip is a silicone sealing strip.

[0026] Preferably, the access door cover is further provided with a hoisting assembly;

[0027] The hoisting assembly includes a steel plate, a screw rod, a sleeve and a hinge;

[0028] There are two screw rods, which are respectively arranged at positions close to the ends of the steel plate;

[0029] There are two sleeves, which are respectively arranged on the inspection door cover and adapted to the screw rod;

[0030] The hinge is connected to the end of the steel plate.

[0031] The utility model provides an access door for a dust removal system, which can reduce the number of maintenance times, extend service life, and reduce the cost of use. By combining a waist hole, a compression spring, and a clevis nut, the access door can be re-sealed by turning the clevis nut. Simultaneously, adjusting the clevis nut will exert force on the compression spring to keep the access door cover tightly pressed, ensuring a continuous seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 Schematic diagram of the structure of an existing inspection door, (a) is the main view, (b) is the side view, and (c) is an enlarged view of position A in (b);

[0033] Figure 2 It is a structural diagram of the utility model maintenance door;

[0034] Figure 3 yes Figure 2 Schematic diagram of the left side;

[0035] Figure 4 yes Figure 2 Schematic top view of

[0036] Figure 5 Schematic diagram of the use state of the maintenance door of the utility model, (a) is the initial state, and (b) is the compressed state. DETAILED DESCRIPTION

[0037] In order to better understand the above technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0038] Combine Figures 2 to 4 As shown, the utility model provides an inspection door for a dust removal system, comprising an inspection door frame 18 and an inspection door cover plate 1 , and a silicone sealing strip 3 is provided on the contact surface between the inspection door frame 18 and the inspection door cover plate 1 .

[0039] The inspection door cover 1 is provided with a plurality of pressing components.

[0040] Each set of clamping components includes a cover plate reinforcement rib 2, a supporting structure and a tightening structure.

[0041] The cover plate reinforcement ribs 2 are horizontally pressed onto the upper surface of the inspection door cover plate 1 .

[0042] The supporting structure includes a supporting plate 4 and a pin 5 .

[0043] There is a pair of support plates 4 symmetrically arranged on the upper surface of the inspection door cover 18 in a vertical direction.

[0044] The support plates 4 are each provided with a waist hole at a corresponding position, and the length axis of the waist hole coincides with the length axis of the support plate 4 .

[0045] Through holes corresponding to the waist holes are provided on both ends of the cover plate reinforcement rib 2 .

[0046] The pin 5 passes through the waist hole and the through hole to connect the cover plate reinforcement rib 2 with the support plate 4. The head and tail of the pin 5 are both set as stop structures.

[0047] The tightening structure includes a fixing frame 19 , a clevis nut 11 , a movable bolt 7 and a thin nut 8 .

[0048] The fixing frame 19 is configured as an inverted U-shaped structure, with two side surfaces connected between a pair of support plates 4 .

[0049] The head of the swing bolt 7 has a sleeve which is sleeved on the pin 5 , and the tail of the swing bolt 7 passes through the cover plate reinforcement rib 2 and is connected and fixed on the fixing frame 19 .

[0050] The clevis nut 11 is sleeved on the tail of the swing bolt 7 and is located at the top of the fixing frame 19 .

[0051] The thin nut 8 is sleeved on the swing bolt 7 and is close to the head of the swing bolt 7 .

[0052] Compression springs 6 and 9 are mounted on the hinge bolt 11 at the lower portion of the pin 5 and between the thin nut 8 and the fixing bracket 19 .

[0053] Washers 10 and 12 are further provided between the fixing frame 19 and the support plate 4 and between the cleat nut 11 and the fixing frame 19 .

[0054] There are at least three groups of pressing components, which are respectively located at the upper, middle and lower positions of the inspection door cover 1.

[0055] The inspection door cover plate 1 is also provided with a hoisting assembly to facilitate hoisting and moving the inspection door cover plate 1.

[0056] The hoisting assembly includes a steel plate 14 , a screw rod 16 , a sleeve 15 and a hinge 13 .

[0057] There are two screw rods 16, one end of which is connected to the steel plate 14 and close to the end.

[0058] There are two sleeves 15, one end of which is connected to the inspection door cover 1, and the other end of the screw rod 16 is screwed into the other end of the corresponding sleeve 15 to form a threaded connection.

[0059] The hinge 13 is connected to either end of the steel plate 14 .

[0060] Combine Figure 5The cover plate reinforcement rib 2 shown in (a) is in the initial state, at which time the thin nut 8 is not rotated and the compression spring 9 is in a naturally released state.

[0061] Combine Figure 5 The cover plate reinforcement rib 2 shown in (b) is in a tightened state. By rotating the thin nut 8, the compression spring 9 will generate a tightening force, causing the cover plate reinforcement rib 2 to press the inspection door cover plate 1, and ultimately making the inspection door cover plate 1 always in a tightened state, ensuring the continuity of the seal between the inspection door frame 18 and the inspection door cover plate 1.

[0062] Those skilled in the art should recognize that the above embodiments are merely intended to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. An access door for a dust removal system, comprising an access door frame and an access door cover, wherein a sealing strip is provided on the contact surface between the access door frame and the access door cover, and wherein: The inspection door cover is provided with multiple groups of pressing components; Each set of the clamping components includes a cover plate reinforcement rib, a support structure and a tightening structure; The cover plate reinforcement ribs are horizontally pressed against the upper surface of the inspection door cover plate; Both ends of the cover plate reinforcement rib are connected to the inspection door frame through the support structure; Both ends of the cover plate reinforcement rib are tightened by the tightening structure so that the cover plate reinforcement rib contacts the inspection door cover plate and presses the inspection door frame; The support structure includes a support plate and a pin; The support plates are provided in a pair and are vertically symmetrically arranged on the upper surface of the inspection door cover; The support plates are each provided with waist holes corresponding to the positions; Through holes corresponding to the waist holes are provided on both ends of the cover plate reinforcement ribs; The pin passes through the waist hole and the through hole to connect the cover plate reinforcement rib with the support plate; The tightening structure includes a fixing frame, a clevis nut, a movable bolt and a thin nut; The fixing frame is connected between a pair of support plates; The head of the movable bolt is sleeved on the pin shaft, and the tail passes through the cover plate reinforcement rib and is connected to the fixing frame; The clevis nut is sleeved on the tail of the swing bolt; The thin nut is sleeved on the swing bolt.

2. The inspection door for a dust removal system according to claim 1, characterized in that: Compression springs are sleeved on the lower part of the pin shaft and the movable bolt between the thin nut and the fixing frame.

3. The inspection door for a dust removal system according to claim 1, characterized in that: There are at least three groups of the pressing components, which are respectively located at the upper, middle and lower positions of the inspection door cover.

4. The inspection door for a dust removal system according to claim 1, characterized in that: Gaskets are provided between the fixing frame and the support plate, and between the cleat nut and the fixing frame.

5. The inspection door for a dust removal system according to claim 1, characterized in that: The sealing strip is a silicone sealing strip.

6. The inspection door for a dust removal system according to claim 1, characterized in that: The access door cover is also provided with a hoisting assembly; The hoisting assembly includes a steel plate, a screw rod, a sleeve and a hinge; There are two screw rods, which are respectively arranged at positions close to the ends of the steel plate; There are two sleeves, which are respectively arranged on the inspection door cover and adapted to the screw rod; The hinge is connected to the end of the steel plate.

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