High-temperature-resistant gravity type explosion venting door

Abstract

The utility model discloses a high-temperature-resistant gravity type explosion venting door which comprises a door frame, the inner side of the door frame is connected with an explosion venting door body through hinges, and an explosion venting window is rotatably installed in the explosion venting door body The high-temperature-resistant gravity type explosion venting door has the advantages that due to the fact that a balance weight plate is arranged, a positioning hole in the balance weight plate is installed on the outer side of a positioning rod; the mounting holes and the fixing screws are mounted in a matched manner, the mounting positions, on one side of the explosion venting window, of the counterweight plates are limited and fixed through the limiting nuts, the gravity of the explosion venting window is adjusted, and therefore the explosion venting pressure is adjusted; and a third high-temperature-resistant rubber pad, a fourth high-temperature-resistant rubber pad, a first high-temperature-resistant rubber pad and a second high-temperature-resistant rubber pad are arranged, so that protection treatment is carried out when the explosion venting window, the closing plate and one side of the explosion venting door are reset and closed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion vent, concretely to a high temperature resistant gravity type explosion vent. BACKGROUND

[0002] The explosion vent is an important equipment for preventing safety accidents, especially in the industrial environment with explosion risk, and its role is particularly crucial. The explosion vent, also known as a pressure relief door, is a specially designed door mainly used to automatically open and release the pressure generated by the explosion when an explosion occurs inside, so as to reduce the internal air pressure, protect the safety of personnel and reduce or avoid the destruction of buildings. It is usually made of a door frame, a door leaf and a skeleton made of steel material, filled with thermal insulation materials inside, and equipped with special hinges, escape locks, explosion relief devices, door closers and other hardware fittings. The existing explosion vent needs to pass through a plurality of explosion relief windows to suppress the explosion shock wave generated in the coal mine underground explosion area and release the pressure in the enclosed area to a certain extent. However, the existing explosion relief window does not have the function of adjusting the explosion relief pressure, and the explosion relief pressure cannot be adjusted. The explosion relief pressure is determined by the explosion relief window, and the explosion relief window needs to be replaced to adjust the explosion relief pressure. SUMMARY

[0003] The utility model aims at providing a high temperature resistant gravity type explosion vent to solve the problem of the existing explosion relief window not having the function of adjusting the explosion relief pressure, the explosion relief pressure being unadjustable, and the explosion relief pressure being determined by the explosion relief window, which needs to be replaced to adjust the explosion relief pressure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high temperature resistant gravity type explosion vent, comprising a door frame, a hinged explosion vent connected to the inner side of the door frame, an explosion relief window rotatably installed in the explosion vent, four positioning rods symmetrically fixed to one side of the explosion relief window, a counterweight plate provided on the outer side of the positioning rod, four positioning holes symmetrically provided in the inner side of the counterweight plate and matched with the positioning rod, a fixed screw rod symmetrically fixed to one side of the explosion relief window, an installation hole symmetrically provided in the inner side of the counterweight plate and matched with the fixed screw rod, a limiting nut threadedly connected to the outer side of the fixed screw rod, a sealing plate fixed to the bottom of the explosion relief window, and a receiving groove provided in one side of the explosion vent and matched with the sealing plate.

[0005] As a preferred scheme of the utility model: a limiting side groove is symmetrically provided in one side of the explosion relief window, and a limiting baffle matched with the limiting side groove is symmetrically fixed in the explosion vent.

[0006] As a preferred scheme of the utility model: a second high temperature resistant rubber pad is fixed to one side of the limiting baffle, and a first high temperature resistant rubber pad is fixed in the limiting side groove.

[0007] As a preferred scheme of the utility model: the inside fixed connection of storage groove has four high temperature resistance rubber pad, the inside fixed connection of closed plate has three high temperature resistance rubber pad that cooperates with four high temperature resistance rubber pad.

[0008] As a preferred scheme of the utility model: the one high temperature resistance rubber pad, two high temperature resistance rubber pad, three high temperature resistance rubber pad and four high temperature resistance rubber pad are fluorine rubber.

[0009] As a preferred scheme of the utility model: the door frame, the explosion vent and the explosion vent window one side all are provided with high temperature resistance coating, and the high temperature resistance coating is ZS-ultra high temperature metal anti-oxidation coating.

[0010] Compared with the prior art, the utility model has the advantages that: the utility model is provided with counterweight plate, realizes the installation of the positioning hole in the counterweight plate on the outside of the positioning rod, is installed through the cooperation between the mounting hole and the fixed screw rod, the installation position of each counterweight plate on the one side of the explosion vent window is limited and fixed through the limiting nut, the gravity of the explosion vent window is adjusted, thereby the explosion vent pressure is adjusted and handled, the utility model is provided with three high temperature resistance rubber pad, four high temperature resistance rubber pad, one high temperature resistance rubber pad and two high temperature resistance rubber pad, realizes the protection handling when the explosion vent window, the closed plate and the one side of the explosion vent reset close. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is overall structure schematic view of the utility model;

[0012] Figure 2 It is inside structure side view of the utility model explosion vent;

[0013] Figure 3 It is the utility model Figure 2 It is the enlarged view of A place in the utility model;

[0014] Figure 4 It is the front view of the utility model storage groove;

[0015] Figure 5 It is high temperature resistance coating structure schematic view of the utility model.

[0016] In the drawing: 1, door frame;2, explosion vent;3, explosion vent window;4, limit side groove;5, one high temperature resistance rubber pad;6, limit baffle;7, two high temperature resistance rubber pad;8, storage groove;9, closed plate;10, three high temperature resistance rubber pad;11, four high temperature resistance rubber pad;12, positioning rod;13, fixed screw;14, counterweight plate;15, positioning hole;16, limiting nut;17, mounting hole;18, high temperature resistance coating. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.

[0018] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a kind of high-temperature-resistant gravity type explosion vent, including door frame 1, the inside of door frame 1 is connected with explosion vent 2 by hinge, rotatingly installed with explosion vent window 3 in the inside of explosion vent 2, four positioning rods 12 are fixedly connected to one side of explosion vent window 3 symmetrically, counterweight plate 14 is arranged on the outside of positioning rod 12, four positioning holes 15 matched with positioning rod 12 are symmetrically formed in the inside of counterweight plate 14, fixed screw rod 13 is fixedly connected to one side of explosion vent window 3 symmetrically, installation hole 17 matched with fixed screw rod 13 is symmetrically formed in the inside of counterweight plate 14, limit nut 16 is threadedly connected to the outside of fixed screw rod 13, explosion vent window 3 is fixedly connected with closing plate 9 in the bottom, receiving groove 8 matched with closing plate 9 is formed in one side of explosion vent 2, each positioning rod 12 on one side of explosion vent window 3 is positioned and installed with the positioning hole 15 in the counterweight plate 14 needing counterweight, according to the gravity of the required size, counterweight plate 14 is installed, installation hole 17 is matched with fixed screw rod 13, and a proper number of counterweight plates 14 are installed on one side of explosion vent window 3, limit nut 16 is threadedly installed on the outside of fixed screw rod 13, counterweight plate 14 is jolted and pressed by limit nut 16, each counterweight plate 14 is installed and fixed, the weight of explosion vent window 3 is adjusted, so that explosion vent pressure is adjusted, and explosion vent treatment is carried out on explosion vent window 3 in explosion vent 2.

[0019] Among them, the side of explosion vent window 3 symmetrically is equipped with the restriction side groove 4, the inside of explosion vent 2 is fixedly connected with the restriction baffle 6 matched with the restriction side groove 4, and the side of the restriction baffle 6 is protected and supported with the restriction side groove 4 formed on one side of the explosion vent window 3, and the reset position of the explosion vent window 3 is limited.

[0020] Among them, the side of the restriction baffle 6 is fixedly connected with the second high-temperature-resistant rubber pad 7, and the inside of the restriction side groove 4 is fixedly connected with the first high-temperature-resistant rubber pad 5, which is protected and handled by the first high-temperature-resistant rubber pad 5 in the restriction side groove 4 and the second high-temperature-resistant rubber pad 7 in the restriction baffle 6.

[0021] Among them, the inside of receiving groove 8 is fixedly connected with the fourth high-temperature-resistant rubber pad 11, and the inside of closing plate 9 is fixedly connected with the third high-temperature-resistant rubber pad 10 matched with the fourth high-temperature-resistant rubber pad 11, which protects the reset of closing plate 9 by the third high-temperature-resistant rubber pad 10 and the fourth high-temperature-resistant rubber pad 11.

[0022] The first, second, third and fourth high-temperature-resistant rubber pads 5, 7, 10 and 11 are all fluorine rubber, and the high-temperature resistance is improved.

[0023] The door frame 1, the explosion vent 2 and the explosion vent window 3 are provided with high-temperature-resistant coatings 18 on one side, and the high-temperature-resistant coatings 18 are ZS-1023 super-high-temperature metal anti-oxidation coatings.

[0024] Specifically, in use, the positioning rods 12 on one side of the explosion vent window 3 are positioned and installed in the positioning holes 15 in the counterweight plates 14 that need to be counterweighted, the counterweight plates 14 are installed according to the required gravity, the mounting holes 17 are matched with the fixing screws 13, a proper number of counterweight plates 14 are installed on one side of the explosion vent window 3, the limiting nuts 16 are threadedly installed outside the fixing screws 13, the counterweight plates 14 are jacked and pressed by the limiting nuts 16, the counterweight plates 14 are installed and fixed, the weight of the explosion vent window 3 is adjusted, the explosion vent pressure is adjusted, the explosion vent window 3 in the explosion vent door 2 is subjected to explosion vent treatment, the explosion vent window 3 and the closing plate 9 are reset after explosion vent, the reset of the closing plate 9 is protected by the third and fourth high-temperature-resistant rubber pads 10 and 11, and the first and second high-temperature-resistant rubber pads 5 and 7 in the limiting side groove 4 and the limiting baffle 6 are protected.

[0025] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third" and "fourth" can be explicitly or implicitly included at least one of the features.

[0027] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0028] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant gravity vent comprising, The utility model relates to a door frame (1), the inside of door frame (1) is connected with the explosion vent (2) through the hinge, the inside rotation of explosion vent (2) is installed with the explosion vent window (3), one side of explosion vent window (3) is fixedly connected with four positioning rods (12) symmetrically, the outside of positioning rod (12) is provided with counterweight plate (14), the inside of counterweight plate (14) is provided with four positioning holes (15) symmetrically with positioning rod (12) cooperation, one side of explosion vent window (3) is fixedly connected with fixed screw rod (13) symmetrically, the inside of counterweight plate (14) is provided with mounting hole (17) with fixed screw rod (13) cooperation, the outside of fixed screw rod (13) is connected with limit nut (16) threadedly, the bottom of explosion vent window (3) is fixedly connected with closing plate (9), one side of explosion vent (2) is provided with with closing plate (9) cooperation receiving groove (8).

2. A high temperature resistant gravity vent according to claim 1, characterized in that: One side of explosion vent window (3) is provided with limiting side groove (4) symmetrically, the inside of explosion vent (2) is fixedly connected with limiting baffle (6) with limiting side groove (4) cooperation.

3. A high temperature resistant gravity vent according to claim 2, characterized in that: One side of limiting baffle (6) is fixedly connected with no.

4. A high temperature resistant gravity vent according to claim 3, characterized in that: The inside of receiving groove (8) is fixedly connected with four no.

5. A high temperature resistant gravity vent according to claim 4, characterized in that: The one no.

6. A high temperature resistant gravity vent according to claim 1, characterized in that: One side of door frame (1), explosion vent (2) and explosion vent window (3) is provided with high temperature resistant coating (18), and the high temperature resistant coating (18) is ZS-1023 super high temperature metal anti-oxidation paint.

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