CN212927926U - Hidden safety air door of mine - Google Patents

Abstract

The utility model discloses a mine hidden safety air door, which comprises an air door body arranged in a door frame formed by a wall body, wherein the air door body is provided with a pulley assembly, one side wall body of the door frame is provided with an open cavity for the air door body to enter, and sliding chutes at the upper end and the lower end of the door frame extend into the open cavity; the two ends of the sliding chute are respectively provided with a stopper, each stopper comprises a shell, a sliding rod, a first clamping plate and a second clamping plate, the two sides of each of the first clamping plate and the second clamping plate are sleeved on the corresponding sliding rod, and a clamping cavity is formed between the first clamping plate and the second clamping plate; the pulley assembly comprises a fixing column, and the fixing column can extend into the clamping cavity to fix the air door when the air door is positioned in the door frame or the opening cavity. The utility model discloses a set up the spout on the door frame, set up the stopper in the spout to set up the loose pulley assembly who has the fixed column on the air door, the fixed column is fixed with the air door with the stopper cooperation, opens the problem that the air door is harder and the air door is opened or is closed not firmly with the solution manpower.

Description

Hidden safety air door of mine

Technical Field

The utility model relates to a colliery air door technical field, specific hidden safety air door of mine that says so.

Background

The mine ventilation facilities are developed to the present, are perfect, accept how many disasters to test simultaneously, possess the anti-disaster, relief of disaster needs, provide the powerful guarantee for mine safety in production. But along with the mine exploitation degree of depth increases, the horizontal roadway extends, the ventilation tunnel increases, mine ventilation resistance grow, need adjust the amount of wind through building ventilation facility, control wind flow direction, it opens the difficulty to appear the air door along with, it is difficult to open the air door to rely on one's strength even to appear, in order to solve this problem, the air door installation pressure relief device is given to the mine, though it opens the difficulty to solve the air door, nevertheless the people opens the air door more difficultly, need ventilate the air door rapidly, the air door positive and negative pressure difference is great, the air door is because of opening or close insecure some accidents that cause, the air door takes place when.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough among the prior art, the utility model provides a hidden safety air door of mine aims at solving the air door and opens difficulty and the air door and open or close not firm problem.

In order to achieve the above object, the utility model discloses a concrete scheme does: a mine hidden safety air door comprises an air door body arranged in a door frame formed by a wall body, wherein pulley assemblies are arranged at four corners of the air door body and are in sliding fit in sliding grooves formed in the positions corresponding to the door frame, an opening cavity for the air door body to enter is formed in one side wall body of the door frame, and the sliding grooves at the upper end and the lower end of the door frame extend into the opening cavity;

the two ends of the sliding groove are respectively provided with a stopper, each stopper comprises a shell fixed in the sliding groove, sliding rods distributed in the inner cavity of the shell along the vertical direction, and a first clamping plate and a second clamping plate which are arranged on the sliding rods in a sliding mode, a clamping cavity is formed between the first clamping plate and the second clamping plate, and a through hole for limiting and matching the pulley assembly and the clamping cavity is formed in the position, corresponding to the clamping cavity, of the outer wall of the shell;

pulley block is including fixing two band irons on the air door body and rotating the pulley that sets up between two band irons, is equipped with the fixed column that distributes along spout length direction on the band iron, and the fixed column can pass through hole and centre gripping chamber cooperation along the slip of spout with the air door body to the accessible centre gripping chamber is fixed the position that is used for the fixed air door body to the centre gripping fixed action of fixed column.

As a further optimization of the above technical solution: the width of fixed post is for following both ends to middle crescent, and the both sides of fixed post are equipped with the lug, be provided with the draw-in groove that can supply the lug to get into on first splint and the second splint relatively.

As a further optimization of the above technical solution: the slide bar is located first splint and deviates from the second splint and the second splint all are equipped with reset spring on deviating from the body of rod of first splint.

As a further optimization of the above technical solution: the pulley and the air door are fixed with the flat iron through screws and nuts.

As a further optimization of the above technical solution: and a push-pull handle is arranged on the air door.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1) the utility model changes the traditional installation mode of the air door, pulley components are arranged at the four corners of the air door body, the pulley components can slide in a chute formed on the door frame, and the air door is opened or closed by pushing and pulling, so that the air door is easily and effectively opened or closed, stoppers are arranged at the two ends of the chute in a matching way, fixed columns are correspondingly arranged on the pulley components, when the air door is opened or closed, the fixed columns are fixed by the stoppers, so that the air door is firmly fixed, and the air door is prevented from being automatically opened by wind due to overlarge wind pressure, and the ventilation safety is ensured;

2) the utility model discloses a have the opening chamber on the wall body, when the air door was opened, the opening chamber just held down the air door, can play fine stealthy, and did not influence the safety in production.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the damper of the present invention;

fig. 5 is a schematic view I of the pulley assembly of the present invention;

fig. 6 is a schematic view II of the pulley assembly of the present invention;

fig. 7 is a cross-sectional view of the stopper of the present invention;

FIG. 8 is a front view of the stopper of the present invention;

the labels in the figure are: 1. the damper comprises a wall body, 2, an air door body, 3, a sliding groove, 4, a limiter, 401, a shell, 402, a return spring, 403, a first clamping plate, 404, a sliding rod, 405, a second clamping plate, 406, a clamping groove, 407, a clamping cavity, 408, a through hole, 5, a pulley assembly, 501, a flat iron, 502, a screw, 503, a fixing column, 504, a pulley, 505, a nut, 506, a lug, 6 and a push-pull handle.

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 the attached drawings, a mine hidden safety air door comprises an air door body 2 arranged in a door frame formed by a wall body 1, pulley assemblies 5 are arranged at four corners of the air door body 2, the pulley assemblies 5 are arranged in sliding grooves 3 at the upper end and the lower end of the door frame in a sliding fit manner, an opening cavity for the air door body 2 to enter is formed in one side wall body 1 of the door frame, the sliding grooves 3 at the upper end and the lower end of the door frame extend into the opening cavity, so that a sliding type door opening and closing mode is formed, in order to enable the air door body 2 to be firmly fixed after the door is opened or closed and avoid the occurrence of accidents of hurt to people, two ends of each sliding groove 3 are respectively provided with a stopper 4, each stopper 4 comprises a shell 401 fixed in the sliding groove 3, sliding rods 404 distributed in the inner cavity of the shell 401 in the vertical direction, and a first clamping plate 403 and a second clamping plate 405 arranged on the sliding rods 404 in a sliding manner, and the two plates are oppositely arranged, a clamping cavity 407 is formed between the first clamping plate 403 and the second clamping plate 405, a through hole 408 is formed in the outer wall of the shell 401 corresponding to the clamping cavity 407, when the air door 2 is located in a door frame or an opening cavity, the stopper 4 is in a door opening or door closing state of the air door 2, and is matched with the pulley assembly 5 to fix the air door 2, the sliding rod 404 is located on the rod body of the first clamping plate 403 departing from the second clamping plate 405, and the rod body of the second clamping plate 405 departing from the first clamping plate 403 is provided with a return spring 402, and the air door 2 is provided with a push-pull handle.

The pulley component 5 comprises two flat irons 501 fixed on the air door body 2, a gap through which the air door body 2 can pass is arranged between the two flat irons 501 in an opposite mode, the pulley 504 is rotatably arranged in the gap, the air door body 2 and the pulley 504 are both fixed at the gap between the two flat irons 501 through a screw 502 and a nut 505, namely the pulley component 5 is fixed on the air door body 2 through the screw 502 and the nut 505, and it is worth noting that the pulley component 5 can be a plurality of pulley components which are only fixed at the upper end and the lower end of the air door body 2, in order to enable the pulley component 5 to be better matched with the stopper 4, the pulley component 5 arranged at the edge of the air door body 2 is aligned with the air door body 2, namely the pulley components 5 at the two sides of the air door body 2 are participated in being matched with the stopper 4 when the air door body 2 is opened or closed, and the flat irons 501 of the pulley components 5 at, the fixing column 503 is arranged along the length direction of the sliding chute 3, the width of the fixing column 503 is gradually increased from two ends to the middle, two sides of one end, close to the flat iron 501, of the fixing column 503 are provided with protruding blocks 506, the first clamping plate 403 and the second clamping plate 405 are relatively provided with clamping grooves 406 into which the protruding blocks 506 can enter, and the protruding blocks 506 are two clamping grooves 406 respectively corresponding to the first clamping plate 403 and the second clamping plate 405.

In this embodiment, band iron 501 is two, and fixed column 503 on one side of pulley assembly 5 is two, and the through hole 408 that corresponds stopper 4 is two, and is general, and pulley assembly 5 on the leftmost side of air door body 2 only needs to set up fixed column 503 on pulley assembly 5's left side, and pulley assembly 5 on the rightmost side of air door body 2 sets up fixed column 503 on its right side and can satisfy the fixed when air door body 2 opens or closes.

The utility model discloses a work flow as follows: when the air door body 2 needs to be opened, the air door body 2 is pushed into an opening cavity of the wall body 1 through the push-pull handle 6, at the moment, the pulley assemblies 5 are matched with the sliding grooves 3, so that the air door body 2 is pushed easily, when the air door body 2 is pushed into the opening cavity, the fixing columns 503 of the pulley assemblies 5 on the rightmost side of the air door body 2 just enter the clamping cavities 407 through the through holes 408 of the stoppers 4, along with the widening of the fixing columns 503, the clamping cavities 407 are pushed to be large, further, the reset springs 402 are compressed, so that the clamping force of the first clamping plates 403 and the second clamping plates 405 is gradually increased, then the protrusions 506 on the fixing columns 503 are clamped into the clamping grooves 406 of the first clamping plates 403 and the second clamping plates 405, the fixing is completed, when the air door body 2 needs to be closed, and vice versa, namely, the fixing columns 503.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides a hidden air door of mine, is including setting up air door body (2) in the door frame that wall body (1) formed, its characterized in that: pulley assemblies (5) are arranged at four corners of the air door body (2), the pulley assemblies (5) are in sliding fit in sliding chutes (3) arranged at positions corresponding to the door frame, an opening cavity into which the air door body (2) can enter is formed in a wall body (1) at one side of the door frame, and the sliding chutes (3) at the upper end and the lower end of the door frame extend into the opening cavity;

the two ends of the sliding chute (3) are respectively provided with a stopper (4), each stopper (4) comprises a shell (401) fixed in the sliding chute (3), sliding rods (404) distributed in the inner cavity of the shell (401) along the vertical direction, a first clamping plate (403) and a second clamping plate (405) which are arranged on the sliding rods (404) in a sliding mode, a clamping cavity (407) is formed between the first clamping plate (403) and the second clamping plate (405), and a through hole (408) for limiting and matching of the pulley assembly (5) and the clamping cavity (407) is formed in the outer wall of the shell (401) at a position corresponding to the clamping cavity (407);

pulley component (5) are including fixing two band iron (501) on air door body (2) and rotating pulley (504) that set up between two band iron (501), be equipped with fixed column (503) along spout (3) length direction distribution on band iron (501), fixed column (503) can be followed air door body (2) and passed through hole (408) and centre gripping chamber (407) cooperation along the slip of spout (3), and accessible centre gripping chamber (407) is fixed the position that the effect is used for fixed air door body (2) to the centre gripping of fixed column (503).

2. The mine concealed safety damper according to claim 1, wherein: the width of the fixing column (503) is gradually increased from two ends to the middle, the two sides of the fixing column (503) are provided with convex blocks (506), and the first clamping plate (403) and the second clamping plate (405) are relatively provided with clamping grooves (406) for the convex blocks (506) to enter.

3. The mine concealed safety damper according to claim 1, wherein: the sliding rod (404) is positioned on the rod body of the first clamping plate (403) departing from the second clamping plate (405) and the rod body of the second clamping plate (405) departing from the first clamping plate (403) and is provided with a return spring (402).

4. The mine concealed safety damper according to claim 1, wherein: the pulley (504) and the air door body (2) are fixed with the flat iron (501) through a screw (502) and a nut (505).

5. The mine concealed safety damper according to claim 1, wherein: and a push-pull handle (6) is arranged on the air door body (2).

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