Mine laneway safety door
By adopting a combination of sliding doors and rotating parts in the mine shaft safety doors, and using structures such as columns, universal wheels and pulleys, the problem of sliding doors stuck under uneven terrain is solved, and the flexible opening and convenience of safety doors are achieved In and out.
Patent Information
- Application Number
- CN202421238277.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing mine safety doors are easily stuck in uneven terrain, which affects the opening range and leads to difficulties in entering and exiting.
A safety door for mines is designed, using a structure that combines sliding doors and rotating parts. The sliding doors are rotated and lifted through columns and universal wheels to avoid contact between the bottom and uneven ground. The sliding doors are combined with pulleys and belts to ensure the sliding doors. Opened smoothly.
The sliding door is fully opened and adaptively opened, avoiding jamming, and enhancing the convenience of entry and exit and service life.
Smart Images
Figure CN222254077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine safety doors, in particular to a mine shaft and tunnel safety door. Background Art
[0002] A mine is a general term for the shafts, chambers, equipment, ground buildings and structures that form an underground coal mine production system. Inclined shafts, vertical shafts, horizontal shafts, etc. in underground mine development are sometimes also called mines. The size of the mine field, the production capacity and the service life of each mine are determined. When the staff enter the interior of the mine to work, they need to use mine cars to enter. When the mine car enters the mine, a safety door is needed to effectively prevent the staff from falling.
[0003] Most of the existing safety doors are sliding doors. When the sliding door is pushed outward, its bottom is restricted by the terrain. When the sliding door is used on uneven terrain, it is restricted by the terrain and is prone to being stuck, resulting in the sliding door being opened to a limited extent, affecting the entry and exit of people.
[0004] For this reason, a mine shaft and tunnel safety door is proposed. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the prior art and provide a mine shaft and tunnel safety door.
[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0007] A mine shaft safety door comprises a door frame, a sliding door 1 and a sliding door 2, wherein the sliding door 1 is provided with two sets of rotating parts for driving the sliding door 2 to rotate, a positioning plate with a square outer side and a round inner side is installed on the outer wall of the door frame, a column with thin upper and lower ends and a thick middle is sleeved on the positioning plate, two "L"-shaped connecting plates are welded on the outer wall of the column, and the movable ends of the connecting plates are threadedly connected to the outer wall of the sliding door 1, and a lifting part for driving the sliding door 1 to move up and down is provided on the outer side of the door frame.
[0008] Furthermore, the lifting part includes a base, the side wall of the door frame is threadedly connected to the base located vertically below the positioning plate, the upper surface of the base is inclined, and the base is provided with a vertical through hole for plugging in the lower end of the column, and an inverted "L"-shaped bracket is welded on the outer wall of the column, and a universal wheel for rolling on the inclined surface of the base is installed at the bottom of the bracket.
[0009] Furthermore, the rotating part includes an installation cavity, and two installation cavities are provided on the adjacent side walls of the sliding door 1 and the sliding door 2. The interiors of the two installation cavities symmetrically located on the left and right are rotatably connected to the same chassis, and the top of the chassis is rotatably connected to two pulleys, and the other ends of the pulleys are rotatably connected to the inner wall of the installation cavity, and belts are wound around the two pulleys.
[0010] Furthermore, the positioning plate is fixedly mounted on the side wall surface of the door frame by means of bolts.
[0011] Furthermore, the sum of the widths of the sliding door 1 and the sliding door 2 is 1.1 times the width of the rotating part.
[0012] Furthermore, a pulling cavity for conveniently pulling the sliding door 2 is provided on the sliding door 2, and a protective pad is bonded to the inner wall surface of the pulling cavity.
[0013] The beneficial effects of the utility model are as follows:
[0014] The sliding door 1 and the sliding door 2 can be driven to rotate with the column as the center of the circle, so that the sliding door 1 and the sliding door 2 can be driven to rotate to the outside of the door frame, that is, the sliding door 1 and the sliding door 2 can be fully opened, which is convenient for people to enter and exit. The sliding door 2 can be driven to rotate with the cooperation of the rotating part, so that the sliding door 2 can be rotated to the rear wall surface of the sliding door 1, that is, the sliding door 1 and the sliding door 2 can be opened half of the space, so that people coming and going can enter and exit freely, which is convenient for changing the size of the space opened by the sliding door 1 and the sliding door 2, thereby enhancing practicality. The lifting part is conveniently provided when the sliding door 1 and the sliding door 2 are opened outwardly with the column as the center of the circle, and the sliding door 1 and the sliding door 2 can be driven to lift upward, which effectively avoids the contact between the bottom of the sliding door 1 and the sliding door 2 and the uneven bottom surface, and avoids the phenomenon that the sliding door 1 and the sliding door 2 are stuck due to the uneven bottom surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the state when the sliding door 1 and the sliding door 2 of the utility model are lifted;
[0016] Figure 2 It is a side perspective schematic diagram of the overall structure of the utility model;
[0017] Figure 3 It is a front perspective schematic diagram of the overall structure of the utility model;
[0018] Figure 4 It is an enlarged schematic diagram of the rotating part structure of the utility model;
[0019] Figure 5 It is an enlarged schematic diagram of the lifting part structure of the utility model;
[0020] Figure numerals: 1. door frame; 2. sliding door 1; 3. sliding door 2; 4. connecting plate; 5. positioning plate; 6. column; 7. lifting part; 701. base; 702. bracket; 703. universal wheel; 704. vertical through hole; 8. rotating part; 801. installation cavity; 802. chassis; 803. pulley; 804. belt; 9. pulling cavity. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0025] As shown in the figure, a mine shaft safety door comprises a door frame 1, a sliding door 1 2 and a sliding door 2 3, wherein the sliding door 1 2 is provided with two sets of rotating parts 8 for driving the sliding door 2 3 to rotate, a positioning plate 5 with a square outside and a round inside is installed on the outer wall surface of the door frame 1, a column 6 with thin ends at the upper and lower ends and thick in the middle is sleeved on the positioning plate 5, two "L"-shaped connecting plates 4 are welded on the outer wall surface of the column 6, and the movable end of the connecting plate 4 is threadedly connected to the outer wall surface of the sliding door 1 2, and a lifting part 7 for driving the sliding door 2 to move up and down is provided on the outer side of the door frame 1;
[0026] Specifically, by pushing the sliding door 1 2, the sliding door 1 2 and the sliding door 2 3 can be driven to rotate with the column 6 as the center, so that the sliding door 1 2 and the sliding door 2 3 can be driven to rotate to the outside of the door frame 1, that is, the sliding door 1 2 and the sliding door 2 3 can be fully opened to facilitate people to enter and exit. Pushing the sliding door 2 3 with the cooperation of the rotating part 8 can drive the sliding door 2 3 to rotate, so that the sliding door 2 3 can be rotated to the rear wall of the sliding door 1 2, that is, the sliding door 1 2 and the sliding door 2 3 can be fully opened to facilitate people to enter and exit. The space where half of the sliding door 1 2 and the sliding door 2 3 are opened can be used so that people can enter and exit freely, and the size of the space where the sliding door 1 2 and the sliding door 2 3 are opened can be changed conveniently, thereby enhancing practicality; the lifting portion 7 is arranged so that when the sliding door 1 2 and the sliding door 2 3 are opened outward with the column 6 as the center of the circle, the sliding door 1 2 and the sliding door 2 3 can be driven to be lifted upward, effectively avoiding the bottom of the sliding door 1 2 and the sliding door 2 3 from contacting with the uneven bottom surface, and avoiding the phenomenon that the sliding door 1 2 and the sliding door 2 3 are stuck due to the uneven bottom surface.
[0027] As shown in the figure, the lifting part 7 includes a base 701, the side wall surface of the door frame 1 is threadedly connected with the base 701 located vertically below the positioning plate 5, the upper surface of the base 701 is inclined, and a vertical through hole 704 for plugging the lower end of the column 6 is opened on the base 701, and an inverted "L"-shaped bracket 702 is welded on the outer wall surface of the column 6, and a universal wheel 703 for rolling on the inclined surface of the base 701 is installed at the bottom of the bracket 702;
[0028] Specifically, by setting the bracket 702, the universal wheel 703 can be driven to rotate along the inclination angle of the upper surface of the base 701 during the rotation of the column 6, thereby changing the height of the sliding door 2 during the outward opening process, and preventing the sliding door 2 from being scratched or even stuck against the uneven bottom surface during the outward opening process, thereby ensuring the opening range of the sliding door 2 and the sliding door 23, and preventing the sliding door 2 and the sliding door 3 from being affected by scratches.
[0029] As shown in the figure, the rotating part 8 includes a mounting cavity 801. Two mounting cavities 801 are provided on the adjacent side walls of the sliding door 1 2 and the sliding door 2 3. The interiors of the two symmetrical mounting cavities 801 are rotatably connected to the same chassis 802. The top of the chassis 802 is rotatably connected to two pulleys 803. The other ends of the pulleys 803 are rotatably connected to the inner wall of the mounting cavity 801. Belts 804 are wound around the two pulleys 803.
[0030] Specifically, when sliding door 23 is pushed, rotatably installed 802 can drive sliding door 23 to rotate along one side of sliding door 12. At the same time, the pulley 803 and belt 804 can ensure that the distance between sliding door 12 and sliding door 23 is always consistent, so that sliding door 23 can be smoothly rotated to the rear wall surface of sliding door 12, thereby achieving the purpose of opening sliding door 23 alone.
[0031] The positioning plate 5 is fixedly mounted on the side wall surface of the door frame 1 by bolts;
[0032] Specifically, the positioning plate 5 connected by bolts is convenient for disassembly and replacement when it is damaged.
[0033] The sum of the widths of the sliding door 1 2 and the sliding door 2 3 is 1.1 times the width of the rotating part 8;
[0034] Specifically, by setting the width of the rotating portion 8 to 1.1 times the sum of the widths of sliding door 1 2 and sliding door 2 3 , it can be ensured that sliding door 2 3 is not exposed outside the door frame 1 when it is rotated to open to the rear wall of sliding door 1 2 .
[0035] As shown in the figure, the sliding door 2 3 is provided with a pulling cavity 9 for conveniently pulling the sliding door 2 3 , and a protective pad is bonded to the inner wall surface of the pulling cavity 9 ;
[0036] Specifically, the pulling cavity 9 is provided to provide an operator with a grip when pushing the sliding door 23, thereby conveniently moving the sliding door 23 closer to or away from the rear wall of the sliding door 12. In addition, the bonded protective pad can enhance the hand comfort when pushing the sliding door 23.
[0037] In summary: by pushing the sliding door 1 2, the sliding door 1 2 and the sliding door 2 3 can be driven to rotate with the column 6 as the center, so that the sliding door 1 2 and the sliding door 2 3 can be driven to rotate to the outside of the door frame 1, that is, the sliding door 1 2 and the sliding door 2 3 can be fully opened, which is convenient for people to enter and exit. Pushing the sliding door 2 3 can drive the sliding door 2 3 to rotate under the cooperation of the rotating part 8, so that the sliding door 2 3 can be rotated to the rear wall of the sliding door 1 2, that is, the sliding door 1 2 and the sliding door 2 3 can be fully opened. The space can be opened halfway so that people can come and go freely, and the size of the space in which the sliding doors 1 2 and 2 3 are opened can be changed conveniently, thereby enhancing practicality; the lifting portion 7 is arranged so that when the sliding doors 1 2 and 2 3 are opened outward with the column 6 as the center of the circle, the sliding doors 1 2 and 2 3 can be driven to be lifted upward, thereby effectively preventing the bottoms of the sliding doors 1 2 and 2 3 from contacting with the uneven bottom surface, thereby preventing the sliding doors 1 2 and 2 3 from being stuck due to the uneven bottom surface.
[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A mine safety door, characterized in that: The invention comprises a door frame (1), a sliding door 1 (2) and a sliding door 2 (3), wherein the sliding door 1 (2) is provided with two groups of rotating parts (8) for driving the sliding door 2 (3) to rotate, a positioning plate (5) with a square outer surface and a round inner surface is installed on the outer wall surface of the door frame (1), a column (6) with thin ends at the upper and lower ends and thick in the middle is sleeved on the positioning plate (5), two "L"-shaped connecting plates (4) are welded on the outer wall surface of the column (6), and the movable end of the connecting plate (4) is threadedly connected to the outer wall surface of the sliding door 1 (2), and a lifting part (7) for driving the sliding door 1 (2) to move up and down is provided on the outer side of the door frame (1).
2. A mine shaft safety door according to claim 1, characterized in that: The lifting part (7) comprises a base (701), the side wall surface of the door frame (1) is threadedly connected to the base (701) located vertically below the positioning plate (5), the upper surface of the base (701) is inclined, a vertical through hole (704) for plugging the lower end of the column (6) is opened on the base (701), an inverted "L"-shaped bracket (702) is welded to the outer wall surface of the column (6), and a universal wheel (703) for rolling on the inclined surface of the base (701) is installed at the bottom of the bracket (702).
3. A mine shaft safety door according to claim 1, characterized in that: The rotating part (8) comprises an installation cavity (801), and two installation cavities (801) are respectively provided on the adjacent side wall surfaces of the sliding door 1 (2) and the sliding door 2 (3), and the interiors of the two installation cavities (801) symmetrically on the left and right are rotatably connected to the same chassis (802), and the top of the chassis (802) is rotatably connected to two pulleys (803), and the other ends of the pulleys (803) are rotatably connected to the inner wall surface of the installation cavity (801), and belts (804) are wound around the two pulleys (803).
4. A mine shaft safety door according to claim 1, characterized in that: The positioning plate (5) is fixedly mounted on the side wall surface of the door frame (1) by means of bolts.
5. A mine shaft safety door according to claim 1, characterized in that: The sum of the widths of the sliding door 1 (2) and the sliding door 2 (3) is 1.1 times the width of the rotating part (8).
6. A mine shaft safety door according to claim 1, characterized in that: The sliding door (3) is provided with a pulling cavity (9) for conveniently pulling the sliding door (3), and a protective pad is bonded to the inner wall surface of the pulling cavity (9).