Civil air defense door with limiting mechanism
Technical Field
The utility model relates to a civil air defense equipment technical field specifically is a civil air defense door with stop gear.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.
The civil air defense door capable of being automatically locked and positioned is lacked in the prior art, and the sealing performance of the civil air defense door can be greatly reduced after the civil air defense door is used for a long time, so that the civil air defense door with the limiting mechanism is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a civil air defense door with stop gear has solved the problem that above-mentioned background art provided.
The utility model provides a following technical scheme: a civil air defense door with a limiting mechanism comprises a door frame, a door plate and a handle, wherein the door plate is hinged and connected in the door frame, the handle is arranged on one side of the door plate, the limiting mechanism is fixedly arranged between the door frame and the door plate, the limiting mechanism comprises a first fixed seat fixedly arranged on the door frame and a second fixed seat fixedly arranged on the door plate, a connecting seat is arranged above the first fixed seat, the connecting seat is rotatably provided with a first connecting rod through a positioning pin, the other end of the first connecting rod is rotatably connected with two second connecting rods through the positioning pin, the other end of the two second connecting rods is rotatably connected with a movable block through the positioning pin, the movable block is fixedly connected with the second fixed seat, a locking mechanism is fixedly arranged between the two second connecting rods, the locking mechanism comprises a shell, and a first spring is fixedly arranged on the right side, the other end fixedly connected with carriage release lever of first spring, the carriage release lever other end extends to casing left side outside is located the fixed rubber arch that is provided with in carriage release lever top of casing inside, the through-hole has been seted up on the casing, the movable groove has been seted up to both sides correspondence about the through-hole, the inside slide of through-hole is provided with the check lock lever, all both sides of check lock lever are fixed respectively and are provided with first stopper and second stopper, first stopper is located casing outside top, the second stopper slide set up in the movable groove is inside.
Preferably, the first connecting rod and the second connecting rod are respectively and rotatably connected with the connecting seat and the movable block through pin sleeves.
Preferably, a lock hole matched with the lock rod is formed in one of the second connecting rods.
Preferably, a plurality of clamping blocks are arranged on the door plate, clamping grooves matched with the clamping blocks are formed in the door frame, a driving rod is arranged inside the door frame, a limiting plate is fixedly connected to the other end of the driving rod, and a limiting groove matched with the door plate is formed in the door plate.
Preferably, the door frame is located the below of limiting plate is seted up the recess, the recess is inside to be provided with the second spring fixedly, the top of second spring is fixed to be provided with supports the post.
Preferably, a stop block is fixedly arranged on one side inside the door frame, and an elastic sealing gasket is fixedly arranged on the stop block.
The utility model discloses possess following beneficial effect:
1. this people's air defense door with stop gear when opening the door, when stop gear moved extreme position locking mechanism on the second connecting rod locks, and this process can be described as first connecting rod extrusion carriage release lever, and the carriage release lever is to casing inside removal, and the protruding locking lever in the extrusion through-hole of rubber on the carriage release lever, locking lever rebound and lockhole are fixed a position, can effectively prevent that the self-closing of door from damaging operating personnel and the excessive opening of door from damaging workshop appliance.
2. This people's air defense door with stop gear, when closing the door, actuating lever drive limiting plate carries out the joint with the spacing groove spacing, utilizes the second spring to promote to support post rebound and carry out the chucking with the limiting plate, and the elastic sealing pad avoids the damage of door plant and door frame because of the striking causes, increase of service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the limiting mechanism of the present invention;
FIG. 3 is a schematic structural view of the locking mechanism of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a door frame; 2. a door panel; 3. a handle; 4. a limiting mechanism; 41. a first fixed seat; 42. a second fixed seat; 43. a connecting seat; 44. positioning pins; 45. a first link; 46. a second link; 47. a movable block; 48. a pin bush; 49. a lock hole; 5. a locking mechanism; 51. a housing; 52. a first spring; 53. a travel bar; 54. a rubber bulge; 55. a through hole; 56. a movable groove; 57. a locking lever; 58. a first stopper; 59. a second limiting block; 6. a clamping block; 7. a card slot; 8. a drive rod; 9. a limiting plate; 10. a limiting groove; 11. a groove; 12. a second spring; 13. supporting columns; 14. a stopper; 15. an elastic gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a civil air defense door with a limiting mechanism comprises a door frame 1, a door plate 2 and a handle 3, the door plate 2 is hinged in the door frame 1, the handle 3 is arranged on one side of the door plate 2, the limiting mechanism 4 is fixedly arranged between the door frame 1 and the door plate 2, the limiting mechanism 4 comprises a first fixed seat 41 fixedly arranged on the door frame 1 and a second fixed seat 42 fixedly arranged on the door plate 2, a connecting seat 43 is arranged above the first fixed seat 41, the connecting seat 43 is rotatably provided with a first connecting rod 45 through a positioning pin 44, the other end of the first connecting rod 45 is rotatably connected with two second connecting rods 46 through the positioning pin 44, the other ends of the two second connecting rods 46 are rotatably connected with a movable block 47 through the positioning pin 44, the movable block 47 is fixedly connected with the second fixed seat 42, a locking mechanism 5 is fixedly arranged between the two second connecting rods, the fixed first spring 52 that is provided with in the inside right side of casing 51, the other end fixedly connected with carriage release lever 53 of first spring 52, the carriage release lever 53 other end extends to casing 51 left side outside, be located the fixed rubber arch 54 that is provided with in the inside carriage release lever 53 top of casing 51, through-hole 55 has been seted up on casing 51, movable groove 56 has been seted up to the correspondence of the through-hole 55 left and right sides, the inside slide of through-hole 55 is provided with check lock lever 57, all both sides of check lock lever 57 are fixed respectively and are provided with first stopper 58 and second stopper 59, first stopper 58 is located casing 51 outside top, second stopper 59 slides and sets up in movable groove 56 inside.
Wherein, the first connecting rod 45 and the second connecting rod 46 are respectively connected with the connecting seat 43 and the movable block 47 in a rotating manner through pin sleeves 48, so as to facilitate rotation.
Wherein, a lock hole 49 matched with the lock rod 57 is formed on one of the second connecting rods 46, which is convenient for positioning and locking.
Wherein, be provided with a plurality of fixture blocks 6 on the door plant 2, be provided with on the door frame 1 with the draw-in groove 7 of 6 looks adaptations of fixture block, 1 inside actuating lever 8 that is provided with of door frame, the other end fixedly connected with limiting plate 9 of actuating lever 8, set up on the door plant 2 with the spacing groove 10 of 2 looks adaptations of door plant, during the use, it is spacing to promote limiting plate 9 and spacing groove 10 to carry out the joint through actuating lever 8.
Wherein, the door frame 1 is located the below of limiting plate 9 and has seted up recess 11, and recess 11 is inside to be fixed to be provided with second spring 12, and the fixed post 13 that supports that is provided with in top of second spring 12 is convenient for press from both sides tight fixedly to limiting plate 9.
Wherein, the fixed dog 14 that is provided with in inside one side of door frame 1, the fixed elastic sealing pad 15 that is provided with on the dog 14 avoids the damage of door plant 2 and door frame 1 because of the striking causes.
When the door is opened, when the limiting mechanism 4 moves to the limit position, the locking mechanism 5 on the second connecting rod 46 locks, and the process can be described as the first connecting rod 45 extrudes the moving rod 53, the moving rod 53 moves towards the inside of the shell 51, the rubber bulge 54 on the moving rod 53 extrudes the locking rod 57 in the through hole 55, the locking rod 57 moves upwards to be positioned with the locking hole 49, and the automatic closing of the door can be effectively prevented from damaging operators and the excessive opening of the door can be effectively prevented from damaging workshop equipment; when closing the door, actuating lever 8 drive limiting plate 9 carries out the joint with spacing groove 10 spacing, utilizes second spring 12 to promote to support post 13 rebound and carry out the chucking with limiting plate 9, and the sealed 15 damage of avoiding leading to the fact door plant 2 and door frame 1 because of the striking of elastic sealing, increase of service life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.