CN219887912U - Explosion door for underground refuge chamber - Google Patents
Explosion door for underground refuge chamber Download PDFInfo
- Publication number
- CN219887912U CN219887912U CN202321392833.8U CN202321392833U CN219887912U CN 219887912 U CN219887912 U CN 219887912U CN 202321392833 U CN202321392833 U CN 202321392833U CN 219887912 U CN219887912 U CN 219887912U
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- rack
- gear
- explosion
- door
- cavity
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- 238000004880 explosion Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an explosion door for an underground refuge chamber, which belongs to the technical field of explosion doors and comprises a door frame and an explosion door, wherein a cavity is formed in the middle of the explosion door, first clamping grooves are formed in the left side and the right side of the door frame, first clamping grooves are formed in the upper end and the lower end of the door frame, first slide ways are formed in the left side and the right side of the cavity, a first rack is arranged in the first slide ways, a first clamping block is arranged at one end of the first rack, second slide ways are formed in the upper side and the lower side of the cavity, a second rack is arranged in the second slide ways, a second clamping block is arranged at one end of the second rack, a fixed shaft is arranged in the middle of the cavity, a first gear and a second gear are arranged on the fixed shaft, the explosion door is closed through the mutual matching of the gears and the racks, the transmission efficiency between the gears and the racks is high, the transmission is stable, and the explosion door can be closed quickly and stably.
Description
Technical Field
The utility model relates to the technical field of explosion vents, in particular to an explosion vent for an underground refuge chamber.
Background
When disaster accidents happen under mines, the disaster accidents are very important for personnel who cannot evacuate through a refuge chamber, the refuge chamber explosion door can be quickly and stably closed, and the door body cannot be closed in the closing process, for example, in a refuge chamber door (patent number: CN 202020242577.4) of an eight-lock linkage mechanism disclosed in Chinese patent literature, the door body is closed through eight-lock linkage, wherein the eight-lock linkage is connected through a plurality of groups of connecting rods, the connecting rods are used too much, the closing fault tolerance of the door body is low, one connecting rod is problematic, the door body cannot be closed, the door body can be closed only by the linkage of the plurality of groups of connecting rods, and the closing speed of the door body is reduced. To this end we propose a method of
Disclosure of Invention
The utility model aims to provide an explosion door for an underground refuge chamber, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a refuge chamber is with explosion vent under ore deposit, includes door frame and explosion vent, the explosion vent middle part is provided with the cavity, the left and right sides all is provided with first draw-in groove in the door frame, both ends all are provided with the second draw-in groove about in the door frame, the cavity left and right sides all is provided with first slide, be provided with first rack in the first slide, first rack one end is provided with first fixture block, both sides all are provided with the second slide about the cavity, be provided with the second rack in the second slide, second rack one end is provided with the second fixture block, the cavity middle part is provided with the fixed axle, be provided with first gear and second gear on the fixed axle.
Preferably, a through hole matched with the fixed shaft is formed in the middle of the explosion-proof door, the fixed shaft extends leftwards to the outside of the explosion-proof door, and a handle is arranged at the left end of the fixed shaft.
Preferably, the first gear and the second gear are fixedly connected with the fixed shaft, and the right end of the fixed shaft is movably connected with the inner wall of the cavity.
Preferably, a first rack arranged in the first slideway is meshed with the first gear, and a second rack arranged in the second slideway is meshed with the second gear.
Compared with the prior art, the utility model has the beneficial effects that: the handle is rotated, the handle drives the first gear and the second gear to rotate through the fixed shaft, the first rack is meshed with the first gear, the second rack is meshed with the second gear, the first gear and the second gear are driven to move in the rotation process, a half part of a first clamping block arranged at the end part of the first rack moves to a first clamping groove to clamp the first clamping groove, the second rack drives the second clamping block to move to a second clamping groove to clamp the second clamping groove, the explosion door is closed through the mutual matching of the gear and the rack, the transmission efficiency between the gear and the rack is high, the transmission is stable, and the explosion door can be closed quickly and stably.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the explosion vent of the present utility model;
FIG. 3 is a schematic view of the mounting structure of the stationary shaft of the present utility model.
In the figure: 1. a door frame; 2. an explosion door; 21. a through hole; 22. a handle; 3. a cavity; 4. a first clamping groove; 5. a second clamping groove; 6. a first slideway; 7. a first rack; 8. a first clamping block; 9. a second slideway; 10. a second rack; 11. a second clamping block; 12. a fixed shaft; 13. a first gear; 14. and a second gear.
Description of the embodiments
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. 1-3, the present utility model provides a technical solution: the explosion door for the underground refuge chamber comprises a door frame 1 and an explosion door 2, wherein a cavity 3 is arranged in the middle of the explosion door 2, first clamping grooves 4 are formed in the left side and the right side in the door frame 1, second clamping grooves 5 are formed in the upper end and the lower end in the door frame 1, first slide ways 6 are formed in the left side and the right side of the cavity 3, first racks 7 are arranged in the first slide ways 6, first clamping blocks 8 are arranged at one ends of the first racks 7, second slide ways 9 are formed in the upper side and the lower side of the cavity 3, second racks 10 are arranged in the second slide ways 9, second clamping blocks 11 are arranged at one ends of the second racks 10, a fixed shaft 12 is arranged in the middle of the cavity 3, a first gear 13 and a second gear 14 are arranged on the fixed shaft 12, when the refuge chamber is started, the explosion door is closed, a handle 22 is rotated, the handle 22 drives the first gear 13 and the second gear 14 to rotate through the fixed shaft 12, the first rack 7 is meshed with the first gear 13, the second rack 10 is meshed with the second gear 14, the first gear 13 and the second gear 14 are pushed to move in the rotation process of the first rack 7 and the second rack 13, a half part of the first clamping block 8 arranged at the end part of the first rack 7 is moved into the first clamping groove 4 to clamp the first clamping groove 4, the second rack 10 is pushed to move the second clamping block 11 into the second clamping groove 5 to clamp the second clamping groove 5, the inner wall of the joint of the cavity 3, the first slideway 6 and the second slideway 9 is arc-shaped, the first rack 7 and the second rack 10 are not clamped in the movement process, the explosion door is closed through the mutual matching of the gears and the racks, the transmission efficiency between the gears and the racks is high, and the transmission is stable, so that the explosion door can be closed quickly and stably.
Wherein, the middle part of the explosion-proof door 2 is provided with a through hole 21 matched with the fixed shaft 12, the fixed shaft 12 extends leftwards to the outside of the explosion-proof door 2, the left end of the fixed shaft 12 is provided with a handle 22, the first gear 13 and the second gear 14 are fixedly connected with the fixed shaft 12, the right end of the fixed shaft 12 is movably connected with the inner wall of the cavity 3, and the handle 22 drives the first gear 13 and the second gear 14 to rotate through rotating the handle 22 by rotating the fixed shaft 12;
the first rack 7 arranged in the first slideway 6 is meshed with the first gear 13, the second rack 10 arranged in the second slideway 9 is meshed with the second gear 14, and the first rack 7 and the second rack 10 are pushed to move in the rotation process of the first gear 13 and the second gear 14.
Working principle: when the explosion-proof door is closed, the explosion-proof door 2 is closed, the handle 22 is rotated, the handle 22 drives the first gear 13 and the second gear 14 to rotate through the fixed shaft 12, the first rack 7 is meshed with the first gear 13, the second rack 10 is meshed with the second gear 14, the first gear 13 and the second gear 14 are pushed to move in the rotation process of the first rack 7 and the second rack 14, a half part of a first clamping block 8 arranged at the end part of the first rack 7 is moved into the first clamping groove 4 to clamp the first clamping groove 4, likewise, the second rack 10 is pushed to move the second clamping block 11 into the second clamping groove 5 to clamp the second clamping groove 5, the inner wall of the joint of the cavity 3 and the first slide 6 and the second slide 9 is arc-shaped, the first rack 7 and the second rack 10 are not clamped in the movement process, the explosion-proof door is closed through the mutual matching of the gears and the racks, the transmission efficiency between the gears and the racks is high, and the transmission is stable, and the explosion-proof door can be closed rapidly and stably.
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 (4)
1. The utility model provides an explosion vent for refuge chamber under ore deposit, includes door frame (1) and explosion vent (2), its characterized in that: the explosion vent (2) middle part is provided with cavity (3), both sides all are provided with first draw-in groove (4) in door frame (1), both ends all are provided with second draw-in groove (5) about in door frame (1), cavity (3) both sides all are provided with first slide (6), be provided with first rack (7) in first slide (6), first rack (7) one end is provided with first fixture block (8), both sides all are provided with second slide (9) about cavity (3), be provided with second rack (10) in second slide (9), second rack (10) one end is provided with second fixture block (11), cavity (3) middle part is provided with fixed axle (12), be provided with first gear (13) and second gear (14) on fixed axle (12).
2. The explosion door for an underground refuge chamber of claim 1, wherein: the middle part of the explosion-proof door (2) is provided with a through hole (21) matched with the fixed shaft (12), the fixed shaft (12) extends leftwards to the outside of the explosion-proof door (2), and the left end of the fixed shaft (12) is provided with a handle (22).
3. The explosion door for an underground refuge chamber of claim 1, wherein: the first gear (13) and the second gear (14) are fixedly connected with the fixed shaft (12), and the right end of the fixed shaft (12) is movably connected with the inner wall of the cavity (3).
4. The explosion door for an underground refuge chamber of claim 1, wherein: the first rack (7) arranged in the first slideway (6) is meshed with the first gear (13), and the second rack (10) arranged in the second slideway (9) is meshed with the second gear (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321392833.8U CN219887912U (en) | 2023-06-02 | 2023-06-02 | Explosion door for underground refuge chamber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321392833.8U CN219887912U (en) | 2023-06-02 | 2023-06-02 | Explosion door for underground refuge chamber |
Publications (1)
Publication Number | Publication Date |
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CN219887912U true CN219887912U (en) | 2023-10-24 |
Family
ID=88405960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321392833.8U Active CN219887912U (en) | 2023-06-02 | 2023-06-02 | Explosion door for underground refuge chamber |
Country Status (1)
Country | Link |
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CN (1) | CN219887912U (en) |
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2023
- 2023-06-02 CN CN202321392833.8U patent/CN219887912U/en active Active
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