CN220015231U - Air quantity adjustable anti-sudden air door - Google Patents

Abstract

The utility model discloses an air quantity adjustable anti-sudden air door, which has the technical scheme that: including the door frame, the inboard of door frame is close to the left end and is provided with fixed door plant, and is located the front side of fixed door plant and be provided with the movable door plant that can slide about, the inboard top of door frame is provided with the lead screw that drives movable door plant and slide, the left end of door frame is provided with the installation cavity, the lead screw is located the inboard one end of installation cavity and is fixed and be equipped with first sprocket, and first sprocket is connected with manual drive or electric drive's actuating mechanism through chain drive, when translating movable door plant, drive chain through actuating mechanism drives first sprocket and lead screw and rotates, through lead screw drive movable door plant translation, whole actuating mechanism has the advantage that occupation space is little.

Description

Air quantity adjustable anti-sudden air door

Technical Field

The utility model relates to the technical field of air doors, in particular to an air quantity adjustable anti-sudden air door.

Background

The mining air door is also called as a pressureless air door, and the pressureless air door is mainly used in each connecting roadway between the underground air inlet and return roadway of the mine and is equipment for adjusting underground air pressure.

The Chinese patent with the patent number of CN2780991 discloses a mining explosion-proof automatic translation air door which is suitable for being vertically arranged in underground mine channels such as coal mines and the like, and comprises four parts: the device comprises an air door body structure, a transmission limiting system, an electric control system and an anti-jamming person and object clamping device. The joint of the movable door is sealed by a sealing strip, the inner core of the door is filled by foamed plastic, an observation window is arranged at the upper part of the movable door, and when the light sensing probe or the infrared sensing probe detects visible light such as a miner lamp or human infrared rays, the air door can be automatically opened, and after pedestrians pass through the air door, the air door automatically returns to a normally closed state. The utility model has the advantages of automatic door opening and closing, good sealing effect, automatic alarm, safety, convenience, reliability and the like.

When the movable door is controlled to translate, the air door is driven by the pulley block and the steel wire rope, and the driving mode occupies a large space.

Disclosure of Invention

Aiming at the problems in the background art, the utility model aims to provide an air quantity adjustable anti-sudden air door so as to solve the problem that a driving mechanism for opening or closing an air door occupies a large space.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an adjustable amount of wind is prevented abrupt air door, includes the door frame, and the inboard of door frame is close to the left end and is provided with fixed door plant, and is located the front side of fixed door plant and be provided with the movable door plant that can slide about, and the inboard top of door frame is provided with the lead screw that drives movable door plant and slide, and the left end of door frame is provided with the installation cavity, and the lead screw is located the inboard one end of installation cavity and is fixed to be equipped with first sprocket, and first sprocket is connected with manually driving or electric drive's actuating mechanism through chain transmission.

Through adopting above-mentioned technical scheme, when translating movable door plant, drive chain drive first sprocket and lead screw rotation through actuating mechanism, through the translation of lead screw drive movable door plant, whole actuating mechanism has the advantage that occupation space is little.

Preferably, the left end of door frame is provided with first picture peg and second picture peg, and the right side opening part of door frame sets up, and the flange is installed to door frame right side opening part, and both ends all are provided with the third picture peg about being close to on the right side of door frame, and the upper and lower both sides in the door frame all are provided with the guide slot that leads to movable door plant.

By adopting the technical scheme, the door frame is respectively and fixedly arranged on the walls at the two sides of the mine channel through the first plugboard, the second plugboard and the third plugboard.

Preferably, the driving mechanism comprises a motor, the two ends of an output shaft of the motor penetrate through side walls on two sides of the mounting cavity to be fixedly provided with rocking handles, the motor is fixedly arranged on the inner side wall of the mounting cavity, a worm is fixedly arranged on the output shaft of the motor, the upper side of the worm is meshed with a worm wheel, a rotating shaft is fixedly arranged at the center of the worm wheel, a second sprocket matched with a chain is arranged at the position, close to the right end, of the rotating shaft, and the right end of the rotating shaft is rotatably arranged at the bottom of the inner side of the mounting cavity.

Through adopting above-mentioned technical scheme, motor drive output shaft rotates, thereby worm on the output shaft then drives the worm wheel and rotates and drive the second sprocket and rotate to drive the chain and carry out the transmission, accessible rocking handle carries out manual drive under the outage condition.

Preferably, the left side of the movable door plate is provided with a blocking edge, the rear side of the blocking edge is clung to the fixed door plate, and the lower end of the movable door plate is provided with a plurality of uniformly arranged roll shafts.

By adopting the technical scheme, the movable door plate slides and walks through the roll shaft, and the gap between the movable door plate and the fixed door plate is blocked by the blocking edge.

Preferably, the upper end and the lower end of the flange are both provided with chucks, and the right side of the flange is provided with a front insert plate and a rear insert plate.

By adopting the technical scheme, the flange is clamped in the guide groove through the clamping head and is fixed on the mine channel wall through the fourth plugboard.

In summary, the utility model has the following advantages:

when the movable door plate is translated, the driving mechanism drives the chain to drive the first sprocket and the screw rod to rotate, and the screw rod drives the movable door plate to translate, so that the whole driving mechanism has the advantage of small occupied space.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of a door frame of the present utility model;

FIG. 3 is a schematic view of a drive mechanism of the present utility model;

FIG. 4 is a schematic view of a moveable door panel of the present utility model;

FIG. 5 is a schematic view of a flange according to the present utility model.

Reference numerals: 1. a door frame; 11. a first plugboard; 12. a second plugboard; 13. a mounting cavity; 14. a guide groove; 15. a third plugboard; 2. fixing the door plate; 3. a movable door panel; 31. blocking edges; 32. a roll shaft; 4. a flange; 41. a chuck; 42. a fourth plugboard; 5. a first sprocket; 6. a screw rod; 7. a chain; 8. a driving mechanism; 81. a rocking handle; 82. a mounting block; 83. a motor; 84. a worm; 85. a rotating shaft; 86. a second sprocket; 87. a worm wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, an adjustable amount of wind is prevented abrupt air door, including door frame 1, the inboard of door frame 1 is close to the left end and is provided with fixed door plant 2, and be located fixed door plant 2's front side and be provided with the movable door plant 3 that can slide about, the inboard top of door frame 1 is provided with the lead screw 6 that drives movable door plant 3 and slide, the left end of door frame 1 is provided with installation cavity 13, lead screw 6 is located the inboard one end fixed of installation cavity 13 and is equipped with first sprocket 5, and first sprocket 5 is connected with manually driven or electric drive's actuating mechanism 8 through the chain 7 transmission, actuating mechanism 8 includes motor 83, the both ends of motor 83 output shaft pass the lateral wall of installation cavity 13 both sides and all are fixed be provided with rocking handle 81, carry out manual drive through rocking handle 81, motor 83 fixed mounting is on the inside wall of installation cavity 13, the motor 83 output shaft is last fixedly provided with worm 84, and 84 upside meshing connection has 87, the center fixedly of 87 is provided with pivot 85, and pivot 85 is close to right-hand end installation with second sprocket 86 with 7 complex worm wheel, the right-hand member worm wheel 85, and right-hand member end worm wheel 85 is installed at the bottom of the worm wheel 7, and the end is installed at the bottom of the installation cavity 6 of chain 7, thereby the first sprocket 8 is rotated through the first sprocket 8, the first sprocket 8 is rotated and the first sprocket 8 is rotated, the first sprocket 8 is rotated and then is rotated by the actuating mechanism is rotated by the second sprocket 8, and is rotated the 8, thereby the whole is rotated and has the advantage is rotated by the 8, and is driven by the speed.

Referring to fig. 2, a first plugboard 11 and a second plugboard 12 are arranged at the left end of a door frame 1, a right opening of the door frame 1 is provided, a flange 4 is arranged at the right opening of the door frame 1, third plugboards 15 are arranged at the right side of the door frame 1, which are close to the upper end and the lower end, the door frame 1 is respectively and fixedly arranged on walls at two sides of a mine channel through the first plugboard 11, the second plugboard 12 and the third plugboards 15, guide grooves 14 for guiding the movable door plate 3 are arranged at the upper side and the lower side in the door frame 1, and the movable door plate 3 is movably guided through the guide grooves 14.

Referring to fig. 4, a blocking edge 31 is disposed on the left side of the movable door plate 3, the screw rod 6 is screwed through the blocking edge 31, so that the screw rod 6 is driven to drive the blocking edge 31 to drive the movable door plate 3 to move, the rear side of the blocking edge 31 is clung to the fixed door plate 2, a gap between the movable door plate 3 and the fixed door plate 2 is blocked through the blocking edge 31, a plurality of uniformly arranged roll shafts 32 are disposed at the lower end of the movable door plate 3, and the movable door plate 3 slides and walks through the roll shafts 32.

Referring to fig. 5, the upper and lower ends of the flange 4 are provided with chucks 41, the flange 4 is clamped in the guide groove 14 by the chucks 41, the right side of the flange 4 is provided with front and rear four plugboards 42, and the flange 4 is fixed on a mine wall by the four plugboards 42.

Working principle: when the movable door plate 3 is opened, the motor 83 drives the output shaft to rotate, the worm 84 on the output shaft drives the worm wheel 87 to rotate so as to drive the second sprocket 86 to rotate, thereby driving the chain 7 to drive the first sprocket 5 and the screw rod 6, and the screw rod 6 drives the movable door plate 3 to open or close through driving the blocking edge 31, so that the movable door plate 3 is manually opened or closed through manually shaking the rocking handle 81 under the condition of power failure.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an air quantity adjustable prevents abrupt air door, includes door frame (1), its characterized in that: the inside of door frame (1) is close to left end and is provided with fixed door plant (2), and is located the front side of fixed door plant (2) and be provided with movable door plant (3) that can slide about, the inboard top of door frame (1) is provided with lead screw (6) that drive movable door plant (3) slided, the left end of door frame (1) is provided with installation cavity (13), lead screw (6) are located the inboard one end of installation cavity (13) and are fixed to be equipped with first sprocket (5), and first sprocket (5) are connected with drive mechanism (8) that can manual drive or electric drive through chain (7) transmission.

2. The adjustable blast-resistant door as set forth in claim 1, wherein: the left end of door frame (1) is provided with first picture peg (11) and second picture peg (12), the right side opening setting of door frame (1), and flange (4) are installed to door frame (1) right side opening part, both ends all are provided with third picture peg (15) about being close to on the right side of door frame (1), upper and lower both sides in door frame (1) all are provided with guide slot (14) that carry out the direction to movable door plant (3).

3. The adjustable blast-resistant door as set forth in claim 1, wherein: the driving mechanism (8) comprises a motor (83), rocking handles (81) are fixedly arranged on two ends of an output shaft of the motor (83) through side walls on two sides of the installation cavity (13), the motor (83) is fixedly arranged on the inner side wall of the installation cavity (13), a worm (84) is fixedly arranged on the output shaft of the motor (83), a worm wheel (87) is connected to the upper side of the worm (84) in a meshed mode, a rotating shaft (85) is fixedly arranged at the center of the worm wheel (87), a second sprocket (86) matched with the chain (7) is arranged on the rotating shaft (85) close to the right end, and the right end of the rotating shaft (85) is rotatably arranged at the inner bottom of the installation cavity (13).

4. The adjustable blast-resistant door as set forth in claim 1, wherein: the left side of the movable door plate (3) is provided with a blocking edge (31), the rear side of the blocking edge (31) is clung to the fixed door plate (2), and the lower end of the movable door plate (3) is provided with a plurality of uniformly arranged roller shafts (32).

5. The adjustable blast-resistant door as set forth in claim 2, wherein: the upper end and the lower end of the flange (4) are both provided with clamping heads (41), and the right side of the flange (4) is provided with a front inserting plate and a rear inserting plate (42).