CN210152708U - Bamboo plywood air door - Google Patents

Abstract

The utility model discloses a bamboo plywood air door belongs to colliery underground equipment technical field, for 1 group 2 settings, its characterized in that: each bamboo plywood air door comprises a door leaf and a door frame, and a double-sided sealing strip is arranged between the door leaf and the door frame; the upper parts of the opened sides of the first forward door panel and the second reverse door panel are respectively provided with a door sucker, and a gear I of the first forward door panel and a gear II of the second reverse door panel are connected with a gear II of the first forward door panel and a gear I of the second reverse door panel through synchronous belts; the utility model has the advantages that: the door absorber realizes the function that the reverse door plate can not be opened while the forward door plate is opened; the door leaf is formed by splicing bamboo rubber plates, the compression resistance is strong, the corrosion resistance is strong, local damage is easy to repair, the door frame of the door leaf is sealed in two directions, the sealing performance is good, the special rubber sealing strip has an elastic effect, and the air door is stable and free of impact when being closed.

Description

Bamboo plywood air door

The technical field is as follows:

the utility model belongs to the technical field of colliery is equipment in the pit, more specifically relates to a bamboo plywood air door.

Background art:

the air door is an important structure in a mine ventilation system, separates wind flow, creates conditions for distributing the wind flow of the mine according to needs, and simultaneously provides convenience for pedestrians and transportation. Nowadays, with the continuous development and progress of science and technology, various dampers with various styles are emerged.

The most basic requirements of the air doors are that ① is opened in a labor-saving, convenient and safe manner, ② can be automatically closed, ③ is tightly sealed at each position and does not leak air, ④ is provided with at least two air doors in each group and is provided with a locking device and cannot be opened at the same time, ⑤ is used for preventing short circuit of air flow in mine wind return, and a reverse air door is arranged on the air door of a main air path.

Although a reverse damper is provided, sometimes a phenomenon occurs in which the reverse damper and the forward damper are simultaneously opened. Thus, the situation is completely impermissible in the national coal mine safety regulation, so that the most used method at present is to erect a steel cable with allowance between a forward air door and a reverse air door, namely when the forward air door is completely opened, the reverse air door is required to be in a closed state;

however, such a design has the disadvantage that it is possible to open both the forward and reverse dampers at 45 degrees, which results in the reverse and forward dampers opening at the same time.

The utility model has the following contents:

in order to solve the problems and overcome the defects of the prior art, the utility model provides a bamboo plywood air door;

the first technical problem to be solved is that: the design has the disadvantages that when the forward air door and the reverse air door are both opened by 45 degrees, the forward air door and the reverse air door can be opened at the same time, so that the phenomenon that the reverse air door and the forward air door are opened at the same time is caused, and the problem that the coal mine safety regulation of China is not met;

the second technical problem to be solved is that: the conventional metal air door is too heavy and easy to corrode, and the sealing effect is not good.

The utility model provides a concrete technical scheme of above-mentioned technical problem does: bamboo plywood air door, for 12 settings of group, every way includes forward door plant and reverse door plant, the opening direction of forward door plant is unanimous with the wind current direction, the opening direction and the wind current opposite direction of reverse door plant, its characterized in that: the forward door plate and the reverse door plate respectively comprise a door leaf and a door frame, one side of the door leaf is connected with the door frame through a rotating shaft, a torsion spring is arranged on the rotating shaft, the rotating shaft positioned at the upper end of the door leaf extends upwards, and a gear I is arranged on the rotating shaft; a double-sided sealing strip is arranged between the door leaf and the door frame;

the door stopper is arranged above the opened side of the first forward door panel and the second reverse door panel and comprises a supporting seat, a gear II, a limiting clamping seat and a limiting column, the supporting seat is fixedly arranged with the door frame, the supporting seat is connected with the gear II in a rotating connection mode, the lower end face of the gear II is fixed with the upper end face of the limiting clamping seat, and the limiting column is arranged at the upper end of the opened side of the door leaf;

an arc-shaped groove is formed in the lower end face of the limiting clamping seat, the arc-shaped groove is arranged on an arc which takes the axis of the gear I as the center of a circle and the distance from the axis of the gear I to the limiting column as the radius, and the arc-shaped groove and the limiting column are arranged in a sliding mode;

and the gear I of the first forward door panel, the gear II of the second reverse door panel and the gear II of the first forward door panel and the gear I of the second reverse door panel are connected through a synchronous belt.

Furthermore, the upper end of the middle part of the door leaf is provided with an observation window.

Further, one side of the observation window is provided with a handle.

Furthermore, the door leaf is formed by splicing bamboo plywood.

Further, the size of the gear I is consistent with that of the gear II.

The utility model has the advantages that:

the door suction devices are arranged above the opening sides of the first forward door plate and the second reverse door plate, so that the function that the reverse door plate cannot be opened while the forward door plate is opened is realized; the problem that the reverse door plate and the forward door plate are opened at the same time and do not accord with the national coal mine safety regulation is solved because the steel cable with allowance is erected between the forward door plate and the reverse door plate and the forward door plate and the reverse door plate can be opened at 45 degrees;

the door leaf is formed by splicing bamboo rubber plates, the compression resistance is strong, the corrosion resistance is strong, local damage is easy to repair, the door frame of the door leaf is sealed in two directions, the sealing performance is good, the special rubber sealing strip has an elastic effect, and the air door is stable and free of impact when being closed.

Description of the drawings:

FIG. 1 is a front view structure diagram of the present invention;

FIG. 2 is a schematic structural view of a partial structure of the utility model in a perspective view;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the door leaf of the present invention;

FIG. 5 is a schematic structural view of the double-sided sealing strip of the present invention; in the drawings:

1. a door frame; 2. a door leaf; 3. a rotating shaft; 4. a gear I; 5. a limiting column; 6. a gear II; 7. a supporting seat; 8. an arc-shaped groove; 9. a limiting clamping seat; 10. an observation window; 11. a handle; 12. a synchronous belt; 13. a reverse door panel; 14. a forward door panel; 15. a double-sided sealing strip.

The specific implementation mode is as follows:

to further clarify the objects, aspects and advantages of the present invention, a more complete description of the invention will now be rendered by reference to the appended drawings, which are illustrated in fig. 1-5. In describing the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model discloses a concrete implementation mode: bamboo offset plate air door for 12 settings of group, every way includes forward door plant 14 and reverse door plant 13, the opening direction of forward door plant 14 is unanimous with the wind current direction, the opening direction and the wind current opposite direction of reverse door plant 13, its characterized in that: the forward door panel 14 and the reverse door panel 13 both comprise door leaves 2 and door frames 1, one side of each door leaf 2 is connected with the door frame 1 through a rotating shaft 3, a torsion spring is arranged on each rotating shaft 3, and the rotating shaft 3 positioned at the upper end of each door leaf 2 extends upwards and is provided with a gear I4; a double-sided sealing strip 15 is arranged between the door leaf 2 and the door frame 1;

a door sucker is arranged above the opened side of the first forward door panel 14 and the second reverse door panel 13 and comprises a supporting seat 7, a gear II 6, a limiting clamping seat 9 and a limiting column 5, the supporting seat 7 is fixedly arranged with the door frame 1, the supporting seat 7 is connected with the gear II 6 in a rotating connection mode, the lower end face of the gear II 6 is fixed with the upper end face of the limiting clamping seat 9, and the limiting column 5 is arranged at the upper end of the opened side of the door leaf 2;

an arc-shaped groove 8 is formed in the lower end face of the limiting clamping seat 9, the arc-shaped groove 8 is arranged on an arc which takes the axis of the gear I4 as the center of a circle and takes the distance from the axis of the gear I4 to the limiting column 5 as the radius, and the arc-shaped groove 8 and the limiting column 5 are arranged in a sliding mode;

the gear I4 of the first forward door panel 14 is connected with the gear II 6 of the second reverse door panel 13, and the gear II 6 of the first forward door panel 14 is connected with the gear I4 of the second reverse door panel 13 through a synchronous belt 12.

Furthermore, the upper end of the middle part of the door leaf 2 is provided with an observation window 10.

Further, a handle 11 is disposed on one side of the observation window 10.

Further, the door leaf 2 is formed by splicing bamboo plywood.

Further, the gear I4 and the gear II 6 are consistent in size.

It is to be noted that the utility model relates to a bamboo plywood air door, when in specific work,

1. when an operator needs to open the first forward door panel 14, the handle 11 is pulled, and the door leaf 2 drives the rotating shaft 3 with the torsion spring on one side to rotate;

2. at the moment, as the first forward door panel 14 is opened, the limiting column 5 at the upper end of the door leaf 2 is positioned on an arc taking the distance from the axis of the gear I4 to the limiting column 5 as the radius, and therefore, the door leaf 2 is opened by sliding along the arc-shaped groove 8;

3. meanwhile, the gear I4 rotates under the rotation of the rotating shaft 3, and then the gear II 6 of the second reverse door panel 13 is driven to rotate through the synchronous belt 12, and the rotation of the gear II 6 causes the arc-shaped groove 8 to deflect, so that the limiting column 5 of the second reverse door panel 13 cannot slide along the arc-shaped groove 8, the door leaf 2 cannot be normally opened, and the function that the reverse door panel cannot be opened when the forward door panel is opened is realized; the problem that the reverse door plate and the forward door plate are opened at the same time and do not accord with the national coal mine safety regulation is solved because the steel cable with allowance is erected between the forward door plate and the reverse door plate and the forward door plate and the reverse door plate can be opened at 45 degrees;

4. similarly, as the first forward door panel 14 is closed, the gear I4 rotates under the rotation of the rotating shaft 3, and further drives the gear II 6 of the second reverse door panel 13 to rotate through the synchronous belt 12, so that the reset is realized, the normal opening of the second reverse door panel 13 is met, and the function that the first forward door panel 14 cannot be opened is realized in the same manner;

5. the door leaf 2 is formed by splicing bamboo plywood, so that the door leaf has strong pressure resistance and corrosion resistance, and local damage is easy to repair; the double-sided sealing strip 15 arranged between the door leaf 2 and the door frame 1 has good sealing performance, and the rubber special sealing strip has an elastic effect, is stable when the air door is closed, and has no impact phenomenon.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a bamboo plywood air door, for 12 settings of group, every way includes forward door plant (14) and reverse door plant (13), the opening direction and the wind flow direction of forward door plant (14) are unanimous, the opening direction and the wind flow direction of reverse door plant (13) are opposite, its characterized in that: the forward door plate (14) and the reverse door plate (13) both comprise door leaves (2) and door frames (1), one side of each door leaf (2) is connected with the door frame (1) through a rotating shaft (3), a torsion spring is arranged on each rotating shaft (3), the rotating shaft (3) positioned at the upper end of each door leaf (2) extends upwards, and a gear I (4) is arranged on each rotating shaft; a double-sided sealing strip (15) is arranged between the door leaf (2) and the door frame (1);

the door stopper is arranged above the opening side of the first forward door panel (14) and the second reverse door panel (13), and comprises a supporting seat (7), a gear II (6), a limiting clamping seat (9) and a limiting column (5), wherein the supporting seat (7) is fixedly arranged with the door frame (1), the supporting seat (7) is connected with the gear II (6) in a rotating connection mode, the lower end face of the gear II (6) is fixed with the upper end face of the limiting clamping seat (9), and the limiting column (5) is arranged at the upper end of the opening side of the door leaf (2);

an arc-shaped groove (8) is formed in the lower end face of the limiting clamping seat (9), the arc-shaped groove (8) is arranged on an arc which takes the axis of the gear I (4) as the center of a circle and the distance from the axis of the gear I (4) to the limiting column (5) as the radius, and the arc-shaped groove (8) and the limiting column (5) are arranged in a sliding mode;

the gear I (4) of the first forward door panel (14) is connected with the gear II (6) of the second reverse door panel (13) and the gear II (6) of the first forward door panel (14) is connected with the gear I (4) of the second reverse door panel (13) through a synchronous belt (12).

2. The bamboo plywood air door of claim 1, wherein the upper end of the middle part of the door leaf (2) is provided with an observation window (10).

3. Bamboo plywood damper according to claim 2, characterized in that one side of the observation window (10) is provided with a handle (11).

4. The bamboo plywood air door of claim 1, characterized in that said door leaf (2) is made by splicing bamboo plywood.

5. The bamboo plywood damper of claim 1, wherein said gear i (4) and gear ii (6) are of the same size.

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