CN221322481U

CN221322481U - Mine heavy fireproof door structure with limiting function

Info

Publication number: CN221322481U
Application number: CN202323169806.7U
Authority: CN
Inventors: 王桂福
Original assignee: Tianjin Huichuan Door Industry Co ltd
Current assignee: Tianjin Huichuan Door Industry Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-07-12
Anticipated expiration: 2033-11-23

Abstract

The utility model relates to the technical field of mine fireproof and discloses a mine heavy fireproof door structure with a limit function, which comprises a door frame, wherein a control panel is arranged on the surface of the door frame, a guide rail is fixedly connected to the inner bottom end of the door frame, a first connecting frame is fixedly connected to the inner top end of the door frame, a second connecting frame is movably connected to one end of the first connecting frame, a fireproof door body is arranged in the door frame, a motor is fixedly connected to the rear surface of the door frame, a gear is fixedly connected to the output end of the motor, and a tooth block is movably connected to the top end of the second connecting frame; according to the utility model, the gear is rotated through the motor, so that the gear block is pushed to move, namely, the function of controlling the opening and closing of the fireproof door is achieved, and the position of the rack can be limited through the first spring and the limiting rod, so that the rack can only move a certain position, the limiting property of the fireproof door when the device is opened is enhanced, and the performance of the device for isolating fire and stabilizing the device is improved.

Description

Mine heavy fireproof door structure with limiting function

Technical Field

The utility model relates to the technical field of mine fireproof, in particular to a mine heavy fireproof door structure with a limit function.

Background

Mines are a generic term for roadways, chambers, equipment, floor structures and structures that form underground coal production systems. The fireproof door is a fireproof partition with certain fire resistance, which is arranged between fireproof partitions, evacuation stairwells, vertical shafts and the like, has the function of common doors, has the function of preventing fire from spreading and smoke from spreading, can prevent the fire from spreading within a certain time, and ensures personnel evacuation. With the increase of small and medium-sized coal mines, coal mine accidents happen at time, and coal mine safety problems are becoming more and more important, and fireproof doors are required to be installed in the coal mines for fireproof.

Through retrieving, the publication number is CN219840702U, discloses a take spacing heavy type fire door structure of mine, including the installation piece, logical groove is seted up to installation piece one side, set up the spout in the installation piece, sliding connection first fire door, second fire door in the spout, logical inslot both sides rigid coupling connecting plate respectively, spacing hole first is seted up to the connecting plate top surface, first fire door one side rigid coupling connecting block first, second fire door one side rigid coupling connecting block second, sliding hole is seted up perpendicularly respectively to connecting block first top surface both ends and connecting block second top surface one end.

The above patent has obvious advantages, but the following disadvantages still exist in the actual operation:

The prior art is through can spacing to the fire door of closing, but can not be fine to the fire door under the open state carry out spacing, the circumstances of self closing takes place easily, therefore, the art is urgent to need to make the improvement to the heavy fire door structure of mine to solve prior art's defect.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a mine heavy fireproof door structure with a limit function, which solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides a take spacing heavy fire door structure of mine, includes the door frame, the surface of door frame is equipped with control panel, the inside bottom fixedly connected with guide rail of door frame, the inside top fixedly connected with first link of door frame, the one end swing joint of first link has the second link, the inside of door frame is equipped with prevents fire door body, the back surface fixedly connected with motor of door frame, the output fixedly connected with gear of motor, the top swing joint of second link has the tooth piece, the front and back both ends of tooth piece all fixedly connected with stopper, the one end fixedly connected with first spring of stopper, the one end fixedly connected with rack of first spring, the inside swing joint gag lever post of rack, the bottom fixedly connected with connecting piece of tooth piece, the bottom fixedly connected with fixed block of preventing fire door body, the fixed block passes through location axle swing joint has the pulley;

Preferably, one end fixedly connected with inserted block of first link, the preceding fixed surface of inserted block is connected with the locating lever, the one end fixed surface that the second link is close to first link is connected with the draw-in groove piece, the inside swing joint of draw-in groove piece has T shape fixture block, the top fixedly connected with second spring of draw-in groove piece can carry out spacingly to the locating lever through the draw-in groove piece to conveniently fix the inside at the second link with the inserted block.

Preferably, the teeth on the surface of the tooth block are matched with the gear, the teeth of the rack are matched with the gear, and the tooth block can be driven to move through the gear, so that the position of the fireproof door body is changed.

Preferably, the inside of guide rail is offered and is had the groove with pulley looks adaptation, the bottom of connecting piece is connected with prevent fire door body, through the guide rail, can be the pulley direction to improve the smooth degree when preventing fire door body and open.

Preferably, the number of the limiting rods is a plurality, one end of each limiting rod penetrates through the racks to be connected with the limiting block, and the racks can be stably positioned on the first connecting frame and the second connecting frame through the limiting rods, so that rack deviation and device separation are avoided.

Preferably, the second link is close to the groove of first link looks adaptation has been seted up to the one end of first link, the inside of locating lever has been seted up with the groove of T shape fixture block looks adaptation, through the second link, can be the plug guide to make things convenient for first link and second link to connect.

Preferably, a groove matched with the positioning rod is formed in the clamping groove block, the other end of the second spring is connected with the T-shaped clamping block, and the positioning rod can be limited through the clamping groove block, so that the first connecting frame and the second connecting frame are connected in a reinforcing mode.

The utility model has the technical effects and advantages that:

1. According to the utility model, the gear is rotated through the motor, so that the gear block is pushed to move, namely, the function of controlling the opening and closing of the fireproof door is achieved, and the position of the rack can be limited through the first spring and the limiting rod, so that the rack can only move a certain position, the limiting property of the fireproof door when the device is opened is enhanced, and the performance of the device for isolating fire and stabilizing the device is improved.

2. The utility model can conveniently guide the inserting block through the groove formed in the second connecting frame, limit the positioning rod through the clamping groove block and limit the T-shaped clamping block through the second spring, so that the positioning rod and the T-shaped clamping block can be mutually fixed, namely the inserting block is completely fixed in the second connecting frame, the effect of quickly connecting the first connecting frame and the second connecting frame is achieved, and the installation efficiency of the device is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the structure of fig. 1 at a.

Fig. 3 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.

Fig. 4 is an enlarged schematic view of the second connecting frame of the present utility model.

The reference numerals are: 1. a door frame; 2. a control panel; 3. a guide rail; 4. a first connection frame; 5. a second connecting frame; 6. a fire door body; 7. a motor; 8. a gear; 9. tooth blocks; 10. a limiting block; 11. a first spring; 12. a rack; 13. a limit rod; 14. a connecting piece; 15. a fixed block; 16. a pulley; 17. inserting blocks; 18. a positioning rod; 19. a clamping groove block; 20. a T-shaped clamping block; 21. and a second spring.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.

Referring to fig. 1-4, the utility model provides a mine heavy fireproof door structure with limit, which comprises a door frame 1, wherein a control panel 2 is arranged on the surface of the door frame 1, a guide rail 3 is fixedly connected to the inner bottom end of the door frame 1, a first connecting frame 4 is fixedly connected to the inner top end of the door frame 1, a second connecting frame 5 is movably connected to one end of the first connecting frame 4, a fireproof door body 6 is arranged in the door frame 1, a motor 7 is fixedly connected to the rear surface of the door frame 1, a gear 8 is fixedly connected to the output end of the motor 7, a tooth block 9 is movably connected to the top end of the second connecting frame 5, limit blocks 10 are fixedly connected to the front end and the rear end of the tooth block 9, a first spring 11 is fixedly connected to one end of the first spring 11, a rack 12 is movably connected to the inner side of the rack 12, a limit rod 13 is fixedly connected to the bottom end of the tooth block 9, a fixing block 15 is fixedly connected to the bottom end of the fireproof door body 6, and the fixing block 15 is movably connected to a pulley 16 through a positioning shaft;

Wherein, the one end fixedly connected with inserted block 17 of first link 4, the preceding fixed surface of inserted block 17 is connected with locating lever 18, and the one end fixed surface that second link 5 is close to first link 4 is connected with draw-in groove piece 19, and the inside swing joint of draw-in groove piece 19 has T shape fixture block 20, and the top fixedly connected with second spring 21 of draw-in groove piece 19 can make things convenient for locating lever 18 to remove through draw-in groove piece 19 to make things convenient for first link 4 and second link 5 to carry out quick connect.

Wherein, the tooth on tooth piece 9 surface and gear 8 looks adaptation, the tooth and the gear 8 looks adaptation of rack 12, through rack 12, can inject the position of tooth piece 9, prevents to prevent that fire door body 6 from colliding with other parts.

Wherein, the groove with pulley 16 looks adaptation has been seted up to the inside of guide rail 3, and the bottom of connecting piece 14 is connected with prevent fire door body 6, through connecting piece 14, can be connected tooth piece 9 and prevent fire door body 6 as a whole to the switch closure of preventing fire door body 6 is convenient.

The number of the limiting rods 13 is several, one end of each of the limiting rods 13 penetrates through the rack 12 to be connected with the limiting block 10, and the position of the rack 12 can be limited through the first spring 11 and the limiting rods 13 to prevent the rack 12 from colliding with the door frame 1 when moving.

Wherein, the second link 5 is close to the groove of first link 4 looks adaptation of seting up with the inserted block 17, the inside of locating lever 18 is setted up with the groove of T shape fixture block 20 looks adaptation, through T shape fixture block 20, can restrict locating lever 18 to strengthen the connection of first link 4 and second link 5.

The slot block 19 is provided with a slot adapted to the positioning rod 18, and the other end of the second spring 21 is connected with the T-shaped clamping block 20, and the position of the T-shaped clamping block 20 can be adjusted through the second spring 21, so that the positioning rod 18 is fixed.

The working principle of the utility model is as follows: in the use, install the suitable position at the mine with door frame 1, then aim at the groove that second link 5 was offered with inserting block 17 and insert, and pull T shape fixture block 20, until first link 4 and second link 5 laminate completely, and the hole that locating lever 18 offered aligns with draw-in groove piece 19, loosen T shape fixture block 20, utilize second spring 21 to rebound and drive T shape fixture block 20 and reset, form the state that locating lever 18 and T shape fixture block 20 were fixed each other, accomplish the connection of first link 4 and second link 5 promptly, the structure of two segmentation simultaneously, can make things convenient for the embedding of fire door body 6, when needs opening and shutting fire door, through the rotation direction of control panel 2 control motor 7, can make gear 8 drive tooth piece 9 remove, thereby make two body 6 laminate each other or separate, reach controlling means effect that opens and shuts, when body 6 laminate or withdraw door frame 1 inside, utilize rebound of first spring 11 and stop lever 13 to drive rack 12 and reset, the position limitation of fire door body 6, prevent to open and shut back body inertia makes two fire door bodies 6 still move the fire door body 6 and produce the extrusion device with the motion of side by side-by side wall device, the impact of the motion of fire door body 6 is avoided moving the device to produce the smooth motion device to produce the impact on the smooth motion of fire door body 6 when the motion device is more than the motion of the door body is 16 is stable, the device is used to be more stable, the life-stop device is improved, and the fire door device is used to be used to produce the life-stop device is more stable to move, and the fire door device is more than the fire door device is more stable to be used.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a take spacing heavy fire door structure of mine, includes door frame (1), its characterized in that: the surface of door frame (1) is equipped with control panel (2), the inside bottom fixedly connected with guide rail (3) of door frame (1), the inside top fixedly connected with first link (4) of door frame (1), the one end swing joint of first link (4) has second link (5), the inside of door frame (1) is equipped with prevents fire door body (6), the back fixed surface of door frame (1) is connected with motor (7), the output fixedly connected with gear (8) of motor (7), the top swing joint of second link (5) has tooth piece (9), the equal fixedly connected with stopper (10) in both ends around tooth piece (9), the one end fixedly connected with first spring (11) of stopper (10), the one end fixedly connected with rack (12) of first spring (11), the inside swing joint of rack (12) has gag lever post (13), the bottom fixedly connected with connecting piece (14) of tooth piece (9), the bottom fixedly connected with of preventing fire door body (6) has fixed connection (15) through pulley (16) fixed connection axle (15).

2. The mine heavy fireproof door structure with limit according to claim 1, wherein: one end fixedly connected with inserted block (17) of first link (4), the preceding fixed surface of inserted block (17) is connected with locating lever (18), one end fixed surface that second link (5) are close to first link (4) is connected with draw-in groove piece (19), the inside swing joint of draw-in groove piece (19) has T shape fixture block (20), the top fixedly connected with second spring (21) of draw-in groove piece (19).

3. The mine heavy fireproof door structure with limit according to claim 1, wherein: the teeth on the surface of the tooth block (9) are matched with the gear (8), and the teeth of the rack (12) are matched with the gear (8).

4. The mine heavy fireproof door structure with limit according to claim 1, wherein: the inside of guide rail (3) is offered and is had the groove with pulley (16) looks adaptation, the bottom of connecting piece (14) is connected with fire door body (6).

5. The mine heavy fireproof door structure with limit according to claim 1, wherein: the number of the limiting rods (13) is several, and one ends of the limiting rods (13) penetrate through the racks (12) and are connected with the limiting blocks (10).

6. The mine heavy fireproof door structure with limit according to claim 2, wherein: the second connecting frame (5) is close to the groove of inserting block (17) looks adaptation is seted up to the one end of first connecting frame (4), the inside of locating lever (18) is seted up with the groove of T shape fixture block (20) looks adaptation.

7. The mine heavy fireproof door structure with limit according to claim 2, wherein: the inside of draw-in groove piece (19) is seted up and is had the groove with locating lever (18) looks adaptation, the other end of second spring (21) is connected with T shape fixture block (20).