Mine ventilation air door pressure relief window
By designing a pressure relief window for mine ventilation doors, and using pressure relief plates and locking structures to adjust air pressure, the problem of difficult door opening was solved, ensuring safety and low-cost production.
Patent Information
- Application Number
- CN202423262191.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing mine ventilation doors cannot relieve pressure, making it difficult to open the doors and posing a safety hazard.
A mine ventilation door pressure relief window was designed, which includes a door frame, a door, a pressure relief port, a pressure relief plate and a limiting frame. The wind pressure is adjusted by the sliding and locking structure of the pressure relief plate, thereby reducing the wind pressure on both sides of the door.
It effectively reduces the wind pressure on both sides of the damper, solves the problem of difficulty in opening the damper, ensures pedestrian safety, and has low manufacturing cost.
Smart Images
Figure CN223661900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mine ventilation damper technical field especially relates to a mine ventilation damper pressure relief window. BACKGROUND
[0002] In mine production, ventilation is essential. At present, mine ventilation damper is installed in the ventilation system to block airflow and allow people or vehicles to pass.
[0003] The positive and negative damper currently used in mines cannot play a pressure relief role, leading to difficulty in opening the damper and causing certain safety risks to safe pedestrians. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a mine ventilation damper pressure relief window to solve the technical problems proposed in the background art.
[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a mine ventilation damper pressure relief window, comprising a door frame, the door frame is rotatably connected with a damper through a hinge, the surface of the damper is provided with a pressure relief port, the back of the damper is slidably connected with a pressure relief plate for plugging the pressure relief port, and the back of the damper is fixedly installed with a limiting frame for limiting the pressure relief plate, and the limiting frame is provided with two groups of locking structures for blocking the bottom of the pressure relief plate on both sides.
[0006] Preferably, the inner walls around the door frame are provided with sealing rubber strips.
[0007] Preferably, the horizontal sections of the limiting frame at the upper and lower ends are fixedly connected with fixed plates through bolts and nuts, and the fixed plates are installed on the front side wall of the damper.
[0008] Preferably, the two long sides of the limiting frame are provided with trapezoidal grooves on one side along the vertical direction thereof, and the two side walls of the pressure relief plate are provided with trapezoidal plates slidably connected with the trapezoidal grooves.
[0009] Preferably, the locking structure comprises a locking block, one end surface of the locking block is provided with a through hole, the surface of the limiting frame is provided with a threaded hole corresponding in distribution to the through hole, a locking bolt is penetrated in the through hole and threadedly connected with the threaded hole, and the nut of the locking bolt is in contact with the surface of the locking block.
[0010] Preferably, the surface of the pressure relief plate is provided with a convex edge at the bottom, and the upper surface of the locking block is in contact with the lower surface of the convex edge.
[0011] The mine ventilation damper pressure relief window has the following advantages:
[0012] The utility model discloses through the cooperation between the pressure relief plate and pressure relief mouth, guarantee the effective control of the air door, effectively reduced the air pressure of the air door both sides, solved the problem of the difficult opening of air door because of the big air pressure, guaranteed the safe pedestrian, and the production cost is low. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation of scope, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other related drawings according to these drawings.
[0014] Figure 1 It is the overall structure schematic diagram of the utility model;
[0015] Figure 2 It is Figure 1 It is the structure schematic diagram of another angle;
[0016] Figure 3 It is the exploded view of pressure relief plate and limiting frame in the utility model;
[0017] Figure 4 It is the structure schematic diagram of locking structure in the utility model.
[0018] Marking in the drawing: 1, door frame;2, air door;3, pressure relief mouth;4, fixed plate;5, limiting frame;6, pressure relief plate;7, locking structure;8, trapezoidal groove;9, trapezoidal plate;10, convex edge;11, locking block;12, threaded hole;13, through hole;14, locking bolt. DETAILED DESCRIPTION
[0019] In the following, only some exemplary embodiments are simply described.As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model.Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0020] In the description of the embodiments of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as the limitation of the embodiments of the utility model.
[0021] In addition, the terms "first", "second", etc. are used only for the purpose of description and should not be understood as indicating or implying relative importance or implying a number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically defined.
[0022] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0023] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.
[0024] In order to better understand the purpose, structure and function of the present application, the mine ventilation door pressure relief window of the present application is further described in detail below in combination with the drawings.
[0025] As Figures 1-4As shown, the utility model discloses a mine ventilation damper pressure relief window, including door frame 1, the door frame 1 is rotatably connected with damper 2 through hinge, the inner wall of door frame 1 is provided with sealing rubber strip all around, the setting of sealing rubber strip makes damper 2 and door frame 1 connect more closely. The surface of damper 2 is provided with pressure relief port 3, the back of damper 2 is slidably connected with pressure relief plate 6 for plugging pressure relief port 3, and the back of damper 2 is fixedly installed with the limiting frame 5 for limiting pressure relief plate 6, the horizontal section of both ends of limiting frame 5 is fixedly connected with fixed plate 4 through bolt and nut, and fixed plate 4 is installed on the front side wall of damper 2, the setting of fixed plate 4 makes limiting frame 5 and damper 2 connect more firm and reliable. The two long sides of limiting frame 5 are provided with trapezoidal groove 8 along the vertical direction of one side, and the two side walls of pressure relief plate 6 are provided with trapezoidal plate 9 slidably connected with trapezoidal groove 8, the cooperation between trapezoidal plate 9 and trapezoidal groove 8 facilitates the up and down sliding of pressure relief plate 6, thereby facilitating the plugging or opening of pressure relief port 3.
[0026] Locking structure 7 for blocking the two sides of the bottom of pressure relief plate 6 is arranged on limiting frame 5, and locking structure 7 includes locking block 11, one end surface of locking block 11 is provided with through hole 13, the surface of limiting frame 5 is provided with screw hole 12 corresponding with through hole 13, locking bolt 14 is screwed into screw hole 12 through through hole 13, the nut of locking bolt 14 is in contact with the surface of locking block 11, by unscrewing locking bolt 14, locking block 11 is loosened, and the axis of locking block 11 and locking bolt 14 is rotated as the center, by unscrewing locking bolt 14, the nut of locking bolt 14 is in close contact with the surface of locking block 11, and the locking of locking block 11 is realized, so that locking block 11 blocks pressure relief plate 6, and the phenomenon that pressure relief plate 6 slides downward is effectively prevented. The surface of pressure relief plate 6 is provided with convex edge 10 at the bottom, the upper surface of locking block 11 is in contact with the lower surface of convex edge 10, and the setting of convex edge 10 is conducive to the blocking of locking block 11 to pressure relief plate 6.
[0027] The working principle of the mine ventilation damper pressure relief window is as follows: when a person passes through, first, the pressure relief plate 6 is slid downward to expose the pressure relief port 3, reduce the wind pressure on both sides of the damper 2, and then slide the pressure relief plate 6 upward to block the pressure relief port 3, so as to ensure effective wind control of the damper 2 and effectively reduce the wind pressure on both sides of the damper, solve the problem of difficult opening of the damper caused by high wind pressure, and ensure safe walking of people, and the manufacturing cost is low.
[0028] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.
Claims
1. A mine ventilation door pressure relief window, characterized by: Includes a door frame (1), which is rotatably connected to a damper (2) via a hinge. The surface of the damper (2) is provided with a pressure relief port (3). The back of the damper (2) is slidably connected with a pressure relief plate (6) for sealing the pressure relief port (3). A limiting frame (5) for limiting the pressure relief plate (6) is fixedly installed on the back of the damper (2). The limiting frame (5) is provided with two sets of locking structures (7) for blocking the bottom sides of the pressure relief plate (6).
2. The mine ventilation door pressure relief window according to claim 1, characterized in that: The door frame (1) is provided with sealing strips on all four inner walls.
3. The mine ventilation door pressure relief window according to claim 1, characterized in that: The horizontal sections at both ends of the limiting frame (5) are fixedly connected to fixing plates (4) by bolts and nuts. The fixing plates (4) are installed on the front side wall of the damper (2).
4. A mine ventilation door pressure relief window according to claim 1, characterized in that: The two long sides of the limiting frame (5) are provided with trapezoidal grooves (8) along their vertical direction, and the two side walls of the pressure relief plate (6) are provided with trapezoidal plates (9) that slide vertically and vertically with the trapezoidal grooves (8).
5. A mine ventilation door pressure relief window according to claim 1, characterized in that: The locking structure (7) includes a locking block (11). One end surface of the locking block (11) is provided with a through hole (13). The surface of the limiting frame (5) is provided with threaded holes (12) corresponding to the through hole (13). A locking bolt (14) that is threadedly connected to the threaded hole (12) passes through the through hole (13). The nut of the locking bolt (14) is in contact with the surface of the locking block (11).
6. A mine ventilation door pressure relief window according to claim 5, characterized in that: The pressure relief plate (6) has a raised edge (10) at the bottom of its surface, and the upper surface of the locking block (11) is in contact with the lower surface of the raised edge (10).