CN213205434U

CN213205434U - Automatic baffle door device

Info

Publication number: CN213205434U
Application number: CN202021954858.9U
Authority: CN
Inventors: 王颖太; 宿春雷; 郑宝; 曲佳兴
Original assignee: Laizhou Longtai Thermal Power Co ltd
Current assignee: Laizhou Longtai Thermal Power Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-14
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an automatic baffle door device, belonging to the technical field of negative pressure motor sealing equipment, which comprises a negative pressure motor, a door frame, a pulse motor, a threaded rod, a sawtooth rod, a baffle door and a gear, an air inlet is fixedly arranged at the opening at the front end of the negative pressure motor, the front end of the negative pressure motor is fixedly connected with a door frame through a bolt, a pulse motor is fixedly arranged on the right side of the top end of the door frame, a threaded rod is fixedly connected with the power output end of the pulse motor, the negative pressure motor, the door frame, the pulse motor, the threaded rod, the sawtooth rod, the baffle door, the gear and the like of the automatic baffle door device are sequentially connected, the structure is simple, the investment cost is low, after the device is arranged at one end of the negative pressure motor, the baffle door can be opened quickly, the air outlet of the standby fan is sealed tightly, and the negative pressure phenomenon in the ash storage due to air leakage is avoided.

Description

Automatic baffle door device

Technical Field

The utility model discloses a belong to negative pressure motor sealing equipment technical field, specifically be an automatic baffle door gear.

Background

The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, and is a machine which naturally sucks fresh air from a door or a window opposite to the installation place and quickly and forcibly discharges indoor sultry gas outdoors, and any problem of poor ventilation can be improved, and the cooling and ventilation effect can reach 90-97%.

The electric dust removal system is driven by compressed air, the electric field dust removal pump is used for conveying the coal ash in a pressurized mode, the negative pressure fan is used for exhausting air at the top of the dust warehouse, negative pressure is formed inside the dust warehouse, two negative pressure fans are generally designed at the top of the dust warehouse, one negative pressure fan is used, and the other negative pressure fan is used for standby.

At present, the air outlet of a fan of standby equipment seriously leaks air into the fan, the negative pressure in an ash storehouse is damaged, an ash dredging system cannot operate efficiently, and even the working efficiency of conveying fly ash is continuously reduced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of present standby device fan air exit is serious to the inside air leakage of fan, has destroyed the inside negative pressure of ash storehouse, makes to dredge the ash system and can not high-efficient operation, leads to the work efficiency who transports fly ash even and lasts the problem that reduces, has proposed the utility model discloses.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme: the utility model provides an automatic baffle door device, includes negative pressure motor, door frame, pulse motor, threaded rod, sawtooth pole, flapper door and gear, its characterized in that: an air inlet is fixedly arranged at the opening at the front end of the negative pressure motor, the front end of the negative pressure motor is fixedly connected with a door frame through a bolt, a pulse motor is fixedly arranged on the right side of the top end of the door frame, a threaded rod is fixedly connected with the power output end of the pulse motor, the outer wall of the threaded rod is fixedly sleeved with a moving block, the top end of the left side wall of the moving block is fixedly connected with a sawtooth rod through a bolt, the top end of the door frame is fixedly screwed with a rotating shaft a and a rotating shaft b respectively, the outer wall of the rotating shaft a is fixedly sleeved with a gear, the outer wall of the gear is engaged with the outer wall of the sawtooth rod, the top end of the gear is fixedly connected with a moving rod through a rotating shaft, the other end of the moving rod is fixedly connected to the top end of the baffle door through a rotating shaft, a connecting rod is fixedly sleeved on the outer wall of the rotating shaft b, and the other end of the connecting rod is fixedly connected to the top end of the baffle door through the rotating shaft.

Preferably, an air outlet is fixedly arranged at an opening at the rear end of the negative pressure motor.

Preferably, a rubber ring is fixedly arranged on the inner wall of the opening at the front end of the door frame.

Preferably, the outer wall of the baffle door is fixedly sleeved with a rubber ring, and the outer wall of the baffle door is in interference fit with the inner wall of the opening at the front end of the door frame.

Compared with the prior art, the beneficial effects of the utility model are that: the negative pressure motor, the door frame, the pulse motor, the threaded rod, the sawtooth rod, the baffle door, the gear and the like of the automatic baffle door device are sequentially connected, the structure is simple, the investment cost is low, the device is installed at one end of the negative pressure motor, the baffle door can be rapidly opened, the air outlet of the standby fan is tightly sealed, and the negative pressure phenomenon in the ash storehouse due to air leakage is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

in the figure: 100 negative pressure fan, 110 air outlet, 120 air inlet, 200 door frame, 300 pulse motor, 400 threaded rod, 410 moving block, 500 sawtooth rod, 510 rotating shaft a, 520 rotating shaft b, 600 baffle door, 610 moving rod, 620 connecting rod and 700 gear.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a, for beneficial effect in the use, simple structure has improved work efficiency, please refer to fig. 1, including negative pressure motor 100, door frame 200, pulse motor 300, threaded rod 400, sawtooth pole 500 and flapper door 600;

referring to fig. 1-2 again, an air inlet 120 is fixedly disposed at an opening at the front end of the negative pressure motor 100, the front end of the negative pressure motor 100 is fixedly connected with a door frame 200 through a bolt, a pulse motor 300 is fixedly disposed at the right side of the top end of the door frame 200, a threaded rod 400 is fixedly connected to a power output end of the pulse motor 300, a moving block 410 is fixedly sleeved on the outer wall of the threaded rod 400, a sawtooth rod 500 is fixedly connected to the top end of the left side wall of the moving block 410 through a bolt, a rotating shaft a510 and a rotating shaft b520 are fixedly screwed to the top end of the door frame 200 respectively, a gear 700 is fixedly sleeved on the outer wall of the rotating shaft a510, the outer wall of the gear 700 is engaged with the outer wall of the sawtooth rod 500, a moving rod 610 is fixedly connected to the top end of the gear 700 through a rotating shaft, the other end of the moving rod 610 is, the air outlet 110 is fixedly arranged at the rear end opening of the negative pressure motor 100, the rubber ring is fixedly arranged on the inner wall of the front end opening of the door frame 200, the rubber ring is fixedly sleeved on the outer wall of the baffle door 600, and the outer wall of the baffle door 600 is in interference fit with the inner wall of the front end opening of the door frame 200, so that the negative pressure motor 100 can be conveniently sealed, and the air leakage phenomenon can be avoided.

When the negative pressure motor 100 needs to be started, the pulse motor 300 is started, namely the gear 700 is driven to move through the sawtooth rod 500, and the baffle door 600 can be quickly turned over through the matching of the moving rod 610 and the connecting rod 620.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An automatic flapper door assembly comprising a negative pressure motor (100), a door frame (200), a pulse motor (300), a threaded rod (400), a serrated rod (500), a flapper door (600) and a gear (700), characterized in that: an air inlet (120) is fixedly arranged at an opening at the front end of the negative pressure motor (100), the front end of the negative pressure motor (100) is fixedly connected with a door frame (200) through a bolt, a pulse motor (300) is fixedly arranged on the right side of the top end of the door frame (200), a threaded rod (400) is fixedly connected with the power output end of the pulse motor (300), a moving block (410) is fixedly sleeved on the outer wall of the threaded rod (400), the top end of the left side wall of the moving block (410) is fixedly connected with a sawtooth rod (500) through a bolt, a rotating shaft a (510) and a rotating shaft b (520) are respectively and fixedly screwed on the top end of the door frame (200), a gear (700) is fixedly sleeved on the outer wall of the rotating shaft a (510), the outer wall of the gear (700) is meshed with the outer wall of the sawtooth rod (500), and a moving rod, the other end of the moving rod (610) is fixedly connected to the top end of the baffle door (600) through a rotating shaft, the outer wall of the rotating shaft b (520) is fixedly sleeved with a connecting rod (620), and the other end of the connecting rod (620) is fixedly connected to the top end of the baffle door (600) through the rotating shaft.

2. An automatic shutter door apparatus according to claim 1, wherein: an air outlet (110) is fixedly arranged at the opening at the rear end of the negative pressure motor (100).

3. An automatic shutter door apparatus according to claim 1, wherein: the inner wall of the opening at the front end of the door frame (200) is fixedly provided with a rubber ring.

4. An automatic shutter door apparatus according to claim 1, wherein: the outer wall of the baffle door (600) is fixedly sleeved with a rubber ring, and the outer wall of the baffle door (600) is in interference fit with the inner wall of the opening at the front end of the door frame (200).