CN215213137U - Operation access door with fire-proof plate wrapped outside air duct - Google Patents

Abstract

The utility model discloses an tuber pipe outsourcing PLASTIC LAMINATED operation access door relates to subway smoke protection and exhaust system field, including tuber pipe, PLASTIC LAMINATED, wall body, the bottom lateral wall of tuber pipe on fixed mounting have first light steel keel, the PLASTIC LAMINATED cover is established in the outside of tuber pipe, PLASTIC LAMINATED and first light steel keel fixed connection, the fixed four second light steel keels that are provided with on the one end inside wall of PLASTIC LAMINATED, four all through self-tapping screw fixed connection between the lateral wall of second light steel keel and PLASTIC LAMINATED, the one end lateral wall of PLASTIC LAMINATED is provided with the opening, the utility model discloses an access door is under the form of opening and closing in "L type inslot" push-and-pull slip, for the follow-up work after the blast gate installation is accomplished, provides very convenient condition, has avoided the PLASTIC LAMINATED to block the emergence of blast gate executor phenomenon, has improved later stage construction greatly, The efficiency of debugging and maintenance is realized, the cost reduction and the efficiency improvement are realized, and huge benefits are brought to enterprises.

Description

Operation access door with fire-proof plate wrapped outside air duct

Technical Field

The utility model relates to a subway smoke protection and exhaust system field especially relates to tuber pipe outsourcing PLASTIC LAMINATED operation access door.

Background

The subway smoke prevention and exhaust system is an important component of a subway fire-fighting system, can organically induce or remove smoke under the working condition of fire, and simultaneously provides necessary fresh air for personnel evacuation and fire rescue. As an indispensable component of the smoke prevention and exhaust system, a fire damper is not only effective in achieving the function of the smoke prevention and exhaust system, but also inseparable from professional systems such as building equipment automation systems (BAS, FAS), Fire Alarm Systems (FAS), and the like;

at present, for satisfying the standard requirement, the tuber pipe sets up the place of fire prevention valve and must outsourcing the PLASTIC LAMINATED, and among the prior art, the executor of fire prevention valve is often blocked by the PLASTIC LAMINATED, or the executor handle does not have enough operating space, lead to the unable normal opening of fire prevention valve to close, if simply in order to increase fire prevention valve executor operating space, the peripheral PLASTIC LAMINATED of executor is cut off, can reduce the fire endurance at here, can not reach relevant standard's requirement, if the fire prevention valve meets the operation difficulty, the handle, the valve block blocks the problem of unable normal completion stroke because of the PLASTIC LAMINATED, just need send the people to take the scaffold frame, look for going to maintain on the ladder, greatly reduced debugging efficiency, for this we have proposed tuber pipe outsourcing PLASTIC LAMINATED operation access door, solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an operation access door with a fire-proof plate outside the air pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the operation access door with the fire-proof plate wrapped outside the air pipe comprises the air pipe, the fire-proof plate and a wall body, wherein a first light steel keel is fixedly installed on the outer side wall of the bottom end of the air pipe, the fire-proof plate is sleeved outside the air pipe and fixedly connected with the first light steel keel, four second light steel keels are fixedly arranged on the inner side wall of one end of the fire-proof plate, the four second light steel keels are fixedly connected with the side wall of the fire-proof plate through self-tapping screws, an opening is formed in the side wall of one end of the fire-proof plate, slide rails are fixedly arranged on the side walls of the two second light steel keels close to the opening on the side wall of the fire-proof plate, slide grooves are formed in opposite side walls of the two slide rails, the inner walls of the two slide grooves are jointly and slidably connected with the operation access door, a spring limiting device is fixedly arranged on the side wall of one of the slide rail, and a plurality of hanging rods are fixedly connected on the side wall of the first light steel keel, a plurality of the end of jib all runs through the top lateral wall of PLASTIC LAMINATED and extends to the outside of PLASTIC LAMINATED, the fixed blast gate executor that is provided with on the lateral wall of tuber pipe, the blast gate executor is just to the opening on the PLASTIC LAMINATED lateral wall, equal a plurality of lath banding of fixedly connected with on the top of PLASTIC LAMINATED and the bottom lateral wall, the PLASTIC LAMINATED passes through lath banding and wall body fixed connection, it has the rock wool to fill between the lateral wall of wall body and PLASTIC LAMINATED.

Preferably, the inner wall of the sliding groove on the side wall of the sliding rail is L-shaped.

Preferably, the air pipe is made of galvanized steel sheets.

Preferably, the fireproof plate and the operation access door are both made of fiber reinforced silicate plates.

Preferably, the shape and the size of the operation access door are matched with those of the opening on the side wall of the fire-proof plate.

Preferably, the slide rail is the same as the second light steel keel in material.

Preferably, a push-pull handle is fixedly arranged on the outer side wall of the operation access door.

The utility model has the advantages that:

1. in the utility model, after the air valve of the air pipe is operated by the fire-proof plate wrapped outside the air pipe, the access door is pushed and pulled to slide in the L-shaped groove to open and close, thereby providing a very convenient condition for the subsequent work after the installation of the air valve, avoiding the phenomenon that the fire-proof plate blocks the air valve actuator, greatly improving the later construction, debugging and maintenance efficiency, realizing cost reduction and efficiency improvement and bringing huge benefits for enterprises;

2. through the fixing of the inclined plane spring limiting device, the fireproof sealing performance of the fireproof plate at the air valve is guaranteed, the requirements of relevant standards are met, and after patches on the fireproof plate of the air pipe are eliminated, the overall appearance of the air pipe is more attractive, smooth and uniform.

Drawings

Fig. 1 is a side view of the access door according to the present invention in a closed state.

Fig. 2 is a side view of the access door of the utility model in an open state.

Fig. 3 is a partial structure front view of the present invention.

Reference numbers in the figures: 1 tuber pipe, 2 first light gauge steel, 3 second light gauge steel, 4 self-tapping screws, 5 slide rails, 6 PLASTIC LAMINATED, 7 operation access doors, 8 spring limiters, 9 jibs, 10 blast gate executor, 11 lath banding, 12 walls, 13 rock wool.

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.

Referring to fig. 1-3, the operation access door with the fire-proof plate wrapped outside the air pipe comprises an air pipe 1, the fire-proof plate 6 and a wall body 12, wherein the air pipe 1 is made of galvanized steel plates, the slide rail 5 and the second light steel keel 3 are made of the same materials, the fire-proof plate 6 and the operation access door 7 are both made of fiber reinforced silicate plates, and the fire-proof capability of the operation access door is ensured by adopting materials meeting the fire-proof performance requirement;

the outer side wall of the bottom end of the air duct 1 is fixedly provided with a first light steel keel 2, a fireproof plate 6 is sleeved outside the air duct 1, the fireproof plate 6 is fixedly connected with the first light steel keel 2, the inner side wall of one end of the fireproof plate 6 is fixedly provided with four second light steel keels 3, the four second light steel keels 3 are fixedly connected with the side wall of the fireproof plate 6 through self-tapping screws 4, the side wall of one end of the fireproof plate 6 is provided with an opening, the side walls of the two second light steel keels 3 close to the opening on the side wall of the fireproof plate 6 are respectively and fixedly provided with a slide rail 5, the opposite side walls of the two slide rails 5 are respectively provided with a slide groove, the inner wall of the slide groove on the side wall of the slide rail 5 is arranged in an L shape, the inner walls of the two slide grooves are jointly and slidably connected with an operation access door 7, the outer side wall of the operation access door 7 is fixedly provided with a push-pull handle 14, and the shape and the size of the operation access door 7 are identical with the shape and the size of the opening on the side wall of the fireproof plate 6, a spring limiter 8 is fixedly arranged on the side wall of one of the slide rails 5, and is arranged in an L-shaped groove in a protruding manner, and one end of the inclined plane, which is far away from the air valve actuator 10, is welded with a section of spring for limiting the horizontal displacement of the operation access door 7 and ensuring the sealing and fire-proof performance of the fire-proof plate 6;

fixedly connected with a plurality of jibs 9 on the lateral wall of first light gauge steel 2, the end of a plurality of jibs 9 all runs through the top lateral wall of PLASTIC LAMINATED 6 and extends to the outside of PLASTIC LAMINATED 6, the fixed blast gate executor 10 that is provided with on the lateral wall of tuber pipe 1, blast gate executor 10 is just to the opening on the 6 lateral walls of PLASTIC LAMINATED, equal a plurality of lath banding 11 of fixedly connected with on the top of PLASTIC LAMINATED 6 and the bottom lateral wall, PLASTIC LAMINATED 6 passes through lath banding 11 and wall body 12 fixed connection, it has rock wool 13 to fill between the lateral wall of wall body 12 and PLASTIC LAMINATED 6, be used for thermal-insulated.

The working principle is as follows: when the fireproof plate 6 is wrapped outside, a part of the rectangular fireproof plate (namely, the operation access door 7) at the local part of the air valve actuator 10 is fixed in the L-shaped groove, and can be opened and closed by pushing and pulling along the direction of the air pipe in the L-shaped groove;

meanwhile, a spring limiter 8 is arranged, the spring limiter 8 is the same as the second light steel keel 3, an inclined plane protrusion is arranged in an L-shaped groove, one end, far away from the air valve actuator 10, of the inclined plane is welded with a section of spring, when the operation access door 7 is opened, a limiting device is pressed, the spring is stressed and contracted, the operation access door 7 is pulled out, when the operation access door 7 is closed, the limiting device is popped out again under the action of the spring, if no external force interference exists, the operation access door 7 is blocked, the operability and the overhaul requirements of the air valve actuator 10 after the fire-proof plate 6 is wrapped outside are guaranteed, the sealing fire-proof performance of the fire-proof plate 6 is also guaranteed, meanwhile, when the fire-proof plate 6 is wrapped outside the air pipe, the fire-proof plate at the air valve actuator 10 does not need to be partially cut, and transition is more natural.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The operation access door with the fire-proof plate externally wrapped on the air pipe comprises an air pipe (1), the fire-proof plate (6) and a wall body (12), and is characterized in that a first light steel keel (2) is fixedly mounted on the outer side wall of the bottom end of the air pipe (1), the fire-proof plate (6) is sleeved outside the air pipe (1), the fire-proof plate (6) is fixedly connected with the first light steel keel (2), four second light steel keels (3) are fixedly arranged on the inner side wall of one end of the fire-proof plate (6), the four second light steel keels (3) are fixedly connected with the side wall of the fire-proof plate (6) through self-tapping screws (4), an opening is formed in the side wall of one end of the fire-proof plate (6), slide rails (5) are fixedly arranged on the side walls of the two second light steel keels (3) close to the opening on the side wall of the fire-proof plate (6), slide rails (5) are provided with slide grooves, the inner walls of the two sliding grooves are jointly connected with an operation access door (7) in a sliding way, a spring limiter (8) is fixedly arranged on the side wall of one sliding rail (5), a plurality of suspension rods (9) are fixedly connected to the side wall of the first light steel keel (2), the tail ends of the suspension rods (9) penetrate through the side wall of the top end of the fireproof plate (6) and extend to the outside of the fireproof plate (6), an air valve actuator (10) is fixedly arranged on the outer side wall of the air pipe (1), the air valve actuator (10) is right opposite to the opening on the side wall of the fireproof plate (6), the side walls of the top end and the bottom end of the fireproof plate (6) are fixedly connected with a plurality of batten seal edges (11), the fireproof plate (6) is fixedly connected with a wall body (12) through a batten seal edge (11), rock wool (13) is filled between the wall body (12) and the side wall of the fireproof plate (6).

2. The air duct outsourcing fire protection plate operation access door of claim 1, wherein the inner wall of the sliding groove on the side wall of the sliding rail (5) is arranged in an L shape.

3. The fire protection sheathing access door for an air duct according to claim 1, wherein the air duct (1) is made of galvanized steel.

4. The fire protection plate-operated access door for the external cladding of an air duct according to claim 1, characterized in that the fire protection plate (6) and the operation access door (7) are both made of fiber-reinforced silicate plates.

5. The air duct outsourcing fire protection plate operation access door according to claim 1, characterized in that the shape and size of the operation access door (7) are matched with the shape and size of the opening on the side wall of the fire protection plate (6).

6. The air duct outsourcing fireproofing board operating access door according to claim 1, wherein the sliding rail (5) is the same material as the second light steel keel (3).

7. The air duct outsourcing fireproofing board operating access door according to claim 1, wherein a push-pull handle (14) is fixedly arranged on the outer side wall of the operating access door (7).

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