CN115875462A

CN115875462A - Baffle door with sealing device

Info

Publication number: CN115875462A
Application number: CN202310005864.1A
Authority: CN
Inventors: 邓克海
Original assignee: Yancheng Baoze Power Petrochemical Machinery Manufacturing Co ltd
Current assignee: Yancheng Baoze Power Petrochemical Machinery Manufacturing Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-03-31
Anticipated expiration: 2043-01-04
Also published as: CN115875462B

Abstract

The invention relates to the technical field of baffle doors and discloses a baffle door with a sealing device, which comprises an outer sleeve, wherein a turnover cover is arranged on the outer sleeve, a base is arranged at the bottom of the outer sleeve, a sealing mechanism is arranged inside the outer sleeve, and a turnover mechanism for controlling the movement of the turnover cover is arranged on the outer sleeve; the sealing mechanism comprises a trigger device and a water sealing device. This flapper door with sealing device, the basin formula water injection structure who utilizes traditional structure, realize the sealed to the flapper door, utilize the parcel nature of aqueous solution, can the direct immersion clearance position, can not appear omitting, long-time use can not appear, the condition that sealed effect reduces appears, only need the untimely solution of adding water can, its sealed cost also can reduce relatively, and sealed effect is compared in traditional rubber mode and is sealed, its sealed effect is better, can be very big play isolated effect to the flue gas.

Description

Baffle door with sealing device

Technical Field

The invention relates to the technical field of baffle doors, in particular to a baffle door with a sealing device.

Background

The damper is also called as a shutoff door, an air duct damper or a flue damper, is commonly used as a shutoff medium in a smoke pipe and an air duct in a power plant or other industries, has the two functions of full opening and full closing when the opening and closing angle of an air door is 90 ℃, ensures that a certain pipeline medium of a system is completely circulated or closed, and can be divided into a square closing damper and a circular closing damper according to the shape; the driving mode can be divided into a manual closing baffle door, an electric closing baffle door and a pneumatic closing baffle door; the manufacturing process can be divided into a casting type closing baffle door and a welding type closing baffle door; the sealing can be divided into a cast iron closing baffle door, a carbon steel closing baffle door, a stainless steel closing baffle door and a nickel-based alloy closing baffle door according to the material, the sealing can be divided into static sealing and dynamic sealing, the sealing is a part or measure for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading the inside of machine equipment, and the static sealing refers to tightly sealing a sealed cabin sealed container for sealing letters and stamps of the past advice.

The sealing of the baffle door in the prior art is still the sealing of the contact part by adopting the rubber ring, the baffle door can be opened and closed frequently, along with long-time opening and closing, the rubber ring is easy to extrude and damage, the sealing performance can be reduced after long-time use, the condition that gas or smoke is leaked and exposed when the flue is cut off is caused, the whole sealing effect of the partition door is influenced, the sealing ring made of rubber is easy to corrode rubber when the partition of corrosive gas is dealt with, and the problem that the whole sealing performance is reduced can be caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a baffle door with a sealing device, and solves the problems that the sealing effect of a partition door in the prior art is poor, and the sealing effect is reduced due to corrosion and deformation of a sealing element along with long-time use.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a baffle door with a sealing device comprises an outer sleeve, wherein a turnover cover is arranged on the outer sleeve, a base is arranged at the bottom of the outer sleeve, a sealing mechanism is arranged inside the outer sleeve, and a turnover mechanism for controlling the movement of the turnover cover is arranged on the outer sleeve; the sealing mechanism comprises a trigger device and a water sealing device.

Preferably, the water sealing device comprises a water storage tank, the water storage tank is arranged inside the jacket and is communicated with the base through a water leakage tank, a second water tank is arranged in the base, a first water tank is arranged on the jacket, and the first water tank, the second water tank and the water storage tank are all provided with water solution.

Preferably, a second floating plate and a first floating plate are arranged in the first water tank and the second water tank respectively, a limiting piece and a limiting column are connected to the second floating plate and the first floating plate respectively in a sliding mode, the limiting piece and the limiting column are installed in the first water tank and the second water tank respectively, a first blocking piece and a second blocking piece are connected to the first floating plate and the second floating plate respectively, and a slot is formed in the base.

Preferably, the first floating plate and the second floating plate are made of foam materials, the inner diameter of the first floating plate is smaller than the outer diameter of the step at the bottom of the base, and the inner diameter of the second floating plate is smaller than the outer diameter of the step at the bottom of the flip cover.

Preferably, trigger device is including the traveller, traveller sliding connection is sheathe in at the overcoat, the one end of traveller is connected with the carriage, be connected with coupling spring on the carriage, coupling spring's one end is connected at the inner wall of aqua storage tank, there is the pressure cover on the surface of carriage through sliding pin sliding connection, peg graft on the hourglass basin bottom of pressing the cover, the aqua storage tank passes through-hole and first basin intercommunication, the surface of pressing the cover is connected with the limiting plate, be connected with the closure plate on the carriage.

Preferably, the top of the pressing sleeve is connected with a funnel, and an open slot is formed in the surface of the pressing sleeve.

Preferably, the turnover mechanism comprises a mounting seat, a driving motor is mounted on the mounting seat, a worm is fixedly connected to the output end of the driving motor, a worm wheel is meshed with the worm and is driven to be fixed on the turnover cover through a rotating shaft, and the rotating shaft is rotatably connected to the mounting seat.

Preferably, still including installation mechanism, installation mechanism is including the mounting panel, be connected with the slide-bar on the mounting panel, slide-bar sliding connection is on the base, the top of slide-bar is connected with extrusion spring.

Preferably, the overcoat passes through the card key and base joint, flip's bottom step is located the aqueous solution in first basin, the inboard step in bottom of overcoat is located the inside aqueous solution of second basin.

(III) advantageous effects

Compared with the prior art, the invention provides a baffle door with a sealing device, which is provided with the following components

Has the advantages that:

1. this baffle door with sealing device, the basin formula water injection structure who utilizes traditional structure, realize the sealing to the baffle door, because aqueous solution possesses absolute sealed effect, the position with it contact has set up the basin, and after the water injection, make its contact site and clearance position, utilize the parcel nature of aqueous solution, can the direct immersion clearance position, the omission can not appear, and the processing size requirement to the baffle door is not high, long-time use can not appear, the condition that sealed effect reduces appears, only need not the untimely water solution that adds can, its sealed cost also can reduce relatively, and sealed effect is compared in traditional rubber mode and is sealed, its sealed effect is better, can be very big play isolated effect to the flue gas.

2. This flapper door with sealing device, through the kickboard that sets up, can pour into the take the altitude into at aqueous solution, automatically plug up the water injection hole, can not cause the unrestrained condition of aqueous solution, and can realize automatic water injection, because aqueous solution is along with long-time use in sealed process, the volatile condition can appear, will spill the water injection hole again after the kickboard descends, the inside aqueous solution of aqua storage tank will continue to carry out the water injection in the basin, until rated height, need not operating personnel's too much interference, it is simple swift convenient.

Drawings

FIG. 1 is a schematic view of the overall construction of a flapper door having a sealing arrangement in accordance with the present invention;

FIG. 2 is a cross-sectional schematic view of a flapper door having a sealing arrangement in accordance with the present invention;

FIG. 3 is a schematic bottom view of a flapper door having a sealing assembly in accordance with the present invention;

FIG. 4 is a schematic view of a sealing mechanism for a flapper door having a sealing device in accordance with the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 6 is a cross-sectional view of the outer casing of a flapper door having a sealing arrangement in accordance with the present invention;

FIG. 7 is a schematic view of a flipping mechanism for a flapper door having a sealing device in accordance with the present invention;

FIG. 8 is a schematic view of a flapper door mounting mechanism having a sealing device in accordance with the present invention.

In the figure: 1. a jacket; 2. a cover is turned; 3. a base; 4. a sealing mechanism; 401. a first water tank; 402. a water storage tank; 403. a water leakage groove; 404. a second water tank; 405. a limiting column; 406. a first floating plate; 407. a first baffle plate; 408. a slot; 409. a limiting sheet; 410. a second floating plate; 411. a second baffle plate; 412. a traveler; 413. a connecting spring; 414. a carriage; 415. a sealing sheet; 416. a through hole; 417. pressing the sleeve; 418. a slide pin; 419. a limiting plate; 420. an open slot; 5. a turnover mechanism; 501. a drive motor; 502. a mounting seat; 503. a worm; 504. a worm gear; 505. a rotating shaft; 6. an installation mechanism; 601. a mounting base; 602. a slide shaft; 603. the spring is compressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a baffle door with a sealing device comprises an outer casing 1, a flip cover 2 is arranged on the outer casing 1, a base 3 is arranged at the bottom of the outer casing 1, a sealing mechanism 4 is arranged inside the outer casing 1, and a turnover mechanism 5 for controlling the movement of the flip cover 2 is arranged on the outer casing 1; the sealing mechanism 4 comprises a trigger device and a water sealing device.

In this embodiment, the water sealing device includes a water storage tank 402, the water storage tank 402 is disposed inside the jacket 1, the water storage tank 402 is communicated with the base 3 through a water leakage tank 403, a second water tank 404 is disposed in the base 3, a first water tank 401 is disposed on the jacket 1, and the first water tank 401, the second water tank 404 and the water storage tank 402 are all filled with water solution. Utilize the basin formula water injection structure of traditional structure, realize the sealed to the flapper door, because aqueous solution possesses absolute sealed effect, utilize the parcel nature of aqueous solution, can the direct immersion clearance position, long-time use can not appear, the condition that sealed effect reduces appears, only need the untimely water solution that adds can, its sealed cost also can reduce relatively, and sealed effect is compared in traditional rubber mode and is sealed, its sealed effect is better, can be very big play isolated effect to the flue gas.

Further, a second floating plate 410 and a first floating plate 406 are arranged in the first water tank 401 and the second water tank 404 respectively, a limiting piece 409 and a limiting column 405 are connected to the second floating plate 410 and the first floating plate 406 respectively in a sliding mode, the limiting piece 409 and the limiting column 405 are installed in the first water tank 401 and the second water tank 404 respectively, a first blocking piece 407 and a second blocking piece 411 are connected to the first floating plate 406 and the second floating plate 410 respectively, and a slot 408 is formed in the base 3. After the aqueous solution is injected, in order to avoid the situation that the aqueous solution is scattered and spilled, the floating plates are arranged to be closed, the first floating plate 406 and the second floating plate 410 have certain buoyancy and float on the upper surface of the aqueous solution, when the aqueous solution rises to a rated height, the first blocking piece 407 and the second blocking piece 411 rise and are blocked on the paths of the through hole 416 and the water leakage groove 403 to close the first floating plate and the second floating plate, the aqueous solution in the water storage groove 402 is not injected any more at the moment, when the aqueous solution is volatilized and consumed to a certain height, the floating plates also fall along with the water, at the moment, the water injection hole is opened, the aqueous solution in the water storage groove 402 is continuously injected, and therefore the effect of automatic water injection sealing is achieved without manual interference of operators.

Furthermore, the first floating plate 406 and the second floating plate 410 are both made of foam material, because the foam material has a certain buoyancy, after the water solution is injected, the water solution will be automatically lifted up, and the water injection port is stopped by the buoyancy. The inner diameter of the first floating plate 406 is smaller than the outer diameter of the bottom step of the base 3, and the inner diameter of the second floating plate 410 is smaller than the outer diameter of the bottom step of the lid 2. Because the oversize can cause interference with the step position and can be blocked, the aqueous solution can not wrap the step or the situation of missing wrapping can occur.

In addition, the triggering device comprises a sliding column 412, the sliding column 412 is connected to the outer sleeve 1 in a sliding mode, one end of the sliding column 412 is connected with a sliding frame 414, the sliding frame 414 is connected with a connecting spring 413, one end of the connecting spring 413 is connected to the inner wall of the water storage tank 402, the surface of the sliding frame 414 is connected with a pressing sleeve 417 in a sliding mode through a sliding pin 418, the bottom of the pressing sleeve 417 is inserted into the water leakage tank 403, the water storage tank 402 is communicated with the first water tank 401 through a through hole 416, a limiting plate 419 is connected to the surface of the pressing sleeve 417, and a sealing sheet 415 is connected to the sliding frame 414. When the flip cover 2 is closed, the sliding column 412 will be contacted and pressed to slide during the closing process, the sliding frame 414 will be pushed to slide, and the sliding pin 418 will be contacted, and the sliding of the inclined surface will drive the pressing sleeve 417 to lift up and separate from the leaking water tank 403, and at the same time, the sliding frame 414 will slide the sealing sheet 415 on the surface thereof to separate from the position of the through hole 416, so that the aqueous solution inside the water storage tank 402 will flow from the positions of the through hole 416 and the leaking water tank 403 to the inside of the first water tank 401 and the second water tank 404, respectively. Therefore, the effects of automatic water injection and automatic flow stopping can be realized. The manual operation is not needed, and the operation is simple and convenient. The top of the pressing sleeve 417 is connected with a funnel, and the surface of the pressing sleeve 417 is provided with an open slot 420. The funnel and the open slot 420 are provided to facilitate the operator to inject water from the position of the funnel to the inside of the water storage tank 402, and the press sleeve 417 is a hollow tube which will enter the inside of the water storage tank 402 from the position of the open slot 420 after water injection, thereby achieving the effect of storing the water solution.

In addition, tilting mechanism 5 is including mount pad 502, installs driving motor 501 on the mount pad 502, and driving motor 501's output fixedly connected with worm 503, and the meshing transmission has worm wheel 504 on the worm 503, and worm wheel 504 is fixed on flip 2 through pivot 505, and pivot 505 rotates to be connected on mount pad 502. When driving motor 501 rotates, will drive the rotation of worm 503, worm 503 will drive the rotation of worm wheel 504, and worm wheel 504 is connected with flip 2 through pivot 505, so flip 2 will realize the upset this moment, will direct control flip 2 open and the degree of closing according to the number of turns that driving motor 501 just reverses, thereby realize the condition of opening to flip 2's electrical control, need not operating personnel's manual opening, provide the convenience of certain degree for opening and closing. And the transmission of worm wheel 504 worm 503 possesses certain degree auto-lock nature, opens certain degree after, and holistic motor will not bear flip 2's gravity, causes certain degree protection to it.

It is worth noting that the installation mechanism 6 is further included, the installation mechanism 6 includes an installation plate 601, a sliding shaft 602 is connected to the installation plate 601, the sliding shaft 602 is slidably connected to the base 3, and a pressing spring 603 is connected to the top of the sliding shaft 602. Because the installation mechanism 6 is arranged to provide a certain degree of shock absorption in consideration of the horizontality and the shock in the installation process, the three installation plates 601 are installed on a plane to be fixed, when the whole outer sleeve shakes, the shock force is transmitted to the extrusion spring 603, the extrusion spring 603 buffers the shock, and the water solution is prevented from being spilled due to the vertical vibration of the whole baffle door.

It should be noted that the outer sleeve 1 is clamped to the base 3 by a clamping key, the bottom step of the flip 2 is located in the aqueous solution in the first water tank 401, and the bottom inside step of the outer sleeve 1 is located in the aqueous solution in the second water tank 404. Because only when bottom step position discrepancy aqueous solution, can realize the sealed isolated of two parts to aqueous solution need spill over the certain height of step, the double-deck basin structure of setting improves holistic leakproofness, avoids the single-deck basin to appear the sealed actual effect's of single-deck aqueous solution that volatilizees too much and lead to the condition.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

According to the working principle, a certain degree of aqueous solution is injected into the first water tank 401 and the second water tank 404 which are arranged, when the driving motor 501 rotates, the worm 503 is driven to rotate, the worm 503 drives the worm wheel 504 to rotate, and the worm wheel 504 is connected with the flip cover 2 through the rotating shaft 505, so that the flip cover 2 can be turned over at the moment, the opening and closing degree of the flip cover 2 can be directly controlled according to the number of positive and negative rotation turns of the driving motor 501, after the flip cover 2 is closed, the step position at the bottom of the flip cover is positioned at the position of the first water tank 401, meanwhile, the step position at the bottom of the flip cover is contacted with the sliding column 412 in the closing process and is extruded and slid, the sliding frame 414 is pushed to slide and is contacted with the sliding pin 418, the sliding pin can drive the pressing sleeve 417 to lift up by utilizing the sliding of the inclined plane to lift up, so as to separate from the water leakage water tank 403, meanwhile, the aqueous solution in the water tank 402 flows into the first water tank 401 and the water tank 404 from the through hole 416 and the position of the leakage water tank 403, and gradually wraps the step at the bottom of the flip cover 2, and the inner side of the outer cover 1, and the water tank is arranged, and the single-layer sealing structure is effectively sealed single-layer, and the single-layer aqueous solution is prevented from the single-layer water evaporation. After the aqueous solution is injected, in order to avoid the situation that the aqueous solution is scattered and spilled, the floating plates are arranged to be closed, the first floating plate 406 and the second floating plate 410 have certain buoyancy and float on the upper surface of the aqueous solution, when the aqueous solution rises to a rated height, the first blocking piece 407 and the second blocking piece 411 rise to be blocked on the paths of the through hole 416 and the water leakage groove 403 to close the same, the aqueous solution in the water storage groove 402 is not injected any more at the moment, when the aqueous solution is volatilized and consumed to a certain height, the floating plates also fall along with the water, the water injection hole is opened at the moment, the aqueous solution in the water storage groove 402 is continuously injected, and therefore the effect of automatic water injection sealing is achieved without manual interference of an operator, and only the aqueous solution is required to be injected into the water storage groove 402 irregularly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A flapper door having a sealing arrangement, characterized by: the device comprises an outer sleeve (1), wherein a flip cover (2) is arranged on the outer sleeve (1), a base (3) is arranged at the bottom of the outer sleeve (1), a sealing mechanism (4) is arranged inside the outer sleeve (1), and a turnover mechanism (5) for controlling the movement of the flip cover (2) is arranged on the outer sleeve (1);

the sealing mechanism (4) comprises a trigger device and a water sealing device.

2. A flapper door with a sealing arrangement as claimed in claim 1, wherein: the water sealing device comprises a water storage tank (402), wherein the water storage tank (402) is arranged inside the jacket (1), the water storage tank (402) is communicated with the base (3) through a water leakage tank (403), a second water tank (404) is arranged in the base (3), a first water tank (401) is arranged on the jacket (1), and water solution is respectively arranged in the first water tank (401), the second water tank (404) and the water storage tank (402).

3. A flapper door having a sealing arrangement as claimed in claim 2, wherein: the improved water tank structure is characterized in that a second floating plate (410) and a first floating plate (406) are arranged in the first water tank (401) and the second water tank (404) respectively, a limiting piece (409) and a limiting column (405) are connected to the second floating plate (410) and the first floating plate (406) in a sliding mode respectively, the limiting piece (409) and the limiting column (405) are installed in the first water tank (401) and the second water tank (404) respectively, a first blocking piece (407) and a second blocking piece (411) are connected to the first floating plate (406) and the second floating plate (410) respectively, and a slot (408) is formed in the base (3).

4. A flapper door with a sealing arrangement as claimed in claim 3, wherein: the first floating plate (406) and the second floating plate (410) are both made of foam materials, the inner diameter of the first floating plate (406) is smaller than the outer diameter of the step at the bottom of the base (3), and the inner diameter of the second floating plate (410) is smaller than the outer diameter of the step at the bottom of the flip cover (2).

5. A flapper door having a sealing device according to claim 1, wherein: trigger device is including traveller (412), traveller (412) sliding connection is on overcoat (1), the one end of traveller (412) is connected with carriage (414), be connected with connecting spring (413) on carriage (414), the inner wall at aqua storage tank (402) is connected to the one end of connecting spring (413), there is pressure cover (417) on the surface of carriage (414) through sliding pin (418) sliding connection, peg graft on water leakage groove (403) the bottom of pressure cover (417), aqua storage tank (402) communicate through-hole (416) and first basin (401), the surface of pressure cover (417) is connected with limiting plate 419 (419), be connected with closing plate (415) on carriage (414).

6. A flapper door having a sealing device according to claim 5, wherein: the top of the pressing sleeve (417) is connected with a funnel, and the surface of the pressing sleeve (417) is provided with an open slot (420).

7. A flapper door having a sealing device according to claim 1, wherein: tilting mechanism (5) are including mount pad (502), install driving motor (501) on mount pad (502), the output fixedly connected with worm (503) of driving motor (501), meshing transmission has worm wheel (504) on worm (503), worm wheel (504) are fixed on flip (2) through pivot (505), pivot (505) are rotated and are connected on mount pad (502).

8. A flapper door with a sealing arrangement as claimed in claim 1, wherein: still including installation mechanism (6), installation mechanism (6) are including mounting panel (601), be connected with slide-bar (602) on mounting panel (601), slide-bar (602) sliding connection is on base (3), the top of slide-bar (602) is connected with extrusion spring (603).

9. A flapper door having a sealing device according to claim 1, wherein: overcoat (1) is through calorie key and base (3) joint, the bottom step of flip (2) is located the aqueous solution in first basin (401), the inboard step in bottom of overcoat (1) is located the inside aqueous solution of second basin (404).