CN213512268U

CN213512268U - High temperature resistant type fire prevention valve

Info

Publication number: CN213512268U
Application number: CN202022578748.3U
Authority: CN
Inventors: 陈志凤
Original assignee: Shenzhen Zhongtianouxin Electromechanical Equipment Co ltd
Current assignee: Shenzhen Zhongtianouxin Electromechanical Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-22
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a high temperature resistant type fire prevention valve, including heat-resisting protective housing, fixed mounting has the control box on the front surface of heat-resisting protective housing, the inside movable mounting of control box has the master control pivot, fire prevention district is evenly installed No. one in the inside of heat-resisting protective housing, the inside movable mounting of fire prevention district has fire prevention blade. A high temperature resistant type fire prevention valve, can strengthen fire prevention valve's heat resistance, and accelerate the inside circulation of air of pipeline, improve the emission efficiency of oil smoke, when the conflagration breaing out, can promote automatically that the execution draw-in groove rotates, and then drive the main control pivot and rotate, and realize the rotation of fire prevention blade from this, No. two memory springs can deform after the heating, the rotation range of fire prevention blade has been restricted, ensure that fire prevention blade can be closed each other, block flame, the activity cascade between a fire district and No. two fire districts can be ensured to bevel gear cooperation conical surface gear, thereby reach the multilayer and block flame's effect.

Description

High temperature resistant type fire prevention valve

Technical Field

The utility model relates to a fire control unit technical field, in particular to high temperature resistant type fire prevention valve.

Background

The fire-proof valve is a device for isolating fire waves among pipelines in case of fire so as to prevent the fire from spreading, a fusible metal plug is generally arranged in the fire-proof valve, when the air temperature around the fire-proof valve reaches the melting point of the fusible metal plug in case of fire, the valve can be automatically closed, so that the fire-proof blades are mutually closed, the fire is prevented from spreading, and the fire-proof valve is widely applied to the fields of fire fighting, buildings and the like due to the characteristic of automatic blocking; present fire prevention valve has certain drawback when using, and the fire prevention valve generally comprises the aluminum alloy, and the melting point is lower, loses the effect easily when the intensity of a fire is too big, and in addition, current fire prevention valve only relies on the wind pressure to exhaust passively when daily transport oil smoke, and oil smoke emission efficiency is lower, and the metal in inside of current fire prevention valve once melts the back, needs manual reset, and it is inconvenient during actual operation many.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high temperature resistant fire damper, which can effectively solve the problems of the prior art.

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

the utility model provides a high temperature resistant type fire prevention valve, includes heat-resisting protective housing, fixed mounting has the control box on the front surface of heat-resisting protective housing, the inside movable mounting of control box has the master control pivot, fire prevention district is evenly installed No. one in the inside of heat-resisting protective housing, the inside movable mounting of fire prevention district has fire prevention blade.

Preferably, the heat-resisting protective housing is the combined material of quartz sand and clay, has strengthened the heat resistance of fire prevention valve, fixed mounting has a fixed baseplate on the upper and lower surface of heat-resisting protective housing, fixed screw has been seted up on the upper surface of fixed baseplate is close to the four corners position, fixed baseplate passes through fixed screw and installs in the pipeline.

Preferably, a movable door is movably mounted on the front surface of the control box body, and a door handle is fixedly mounted on the front surface of the movable door.

Preferably, the outside of master control pivot is established on the surface and is installed the execution draw-in groove, connect on the one end lower surface of execution draw-in groove and install a memory spring, connect on the other end of a memory spring and install the stopper, stopper fixed mounting is in the inside of control box, fixed mounting has electric actuator on the inside of control box is located one side position of master control pivot.

Preferably, fixed mounting has centrifugal fan on the inside position placed in the middle of heat-resisting protective housing, centrifugal fan can accelerate the inside circulation of air of pipeline, improves the emission efficiency of oil smoke, fixed baseplate's inside fixed mounting has No. two flame retardant areas.

Preferably, fixed mounting has the cascade pivot on the positive surface position placed in the middle of the fire prevention blade, the cascade pivot is close to the side surface of upper end position and is established and install the bevel gear, the cascade pivot is close to the side surface of lower extreme position and is established and install the spur gear on the cover, the outside of spur gear is established on the surface and is installed the cascade conveyer belt, fixed mounting has No. two memory springs on the surface of the upper end of cascade pivot, No. two memory spring's other end fixed connection is in the main control pivot, the last surface movable mounting of bevel gear has conical gear.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the fixed base is installed in the pipeline through the fixed screw hole, the heat-resistant protective shell formed by the mixed material of quartz sand and clay can enhance the heat-resistant performance of the fire damper, the centrifugal fan can accelerate the air circulation in the pipeline, the oil smoke discharge efficiency is improved, when a fire disaster occurs, the temperature rise is detected by the fire damper, the fire damper closes the fire damper through the electric device, if the electric device fails, the first memory spring can deform and elongate at high temperature, and further the execution clamping groove is pushed to rotate, thereby driving the main control rotating shaft to rotate, because the main control rotating shaft is connected with the cascade rotating shaft through the second memory spring, and the fire damper is fixedly installed on the cascade rotating shaft, the rotation of the fire damper can be realized, the second memory spring can deform after heating, the rotating range of the fire damper is limited, the fire damper can be ensured to be mutually closed, the bevel gear is matched with the bevel gear to ensure the movable cascade connection between the first fire-proof area and the second fire-proof area, so that the effect of multilayer flame resistance is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of a high temperature resistant fire damper of the present invention;

FIG. 2 is a sectional view of the internal structure of a high temperature resistant fire damper of the present invention;

FIG. 3 is a view of the internal structure of the control box of the fire-resistant fire damper of the present invention;

FIG. 4 is a schematic view of the installation of the fire-resistant blades of the fire-resistant fire damper of the present invention;

fig. 5 is the installation schematic diagram of the bevel gear and the bevel gear of the high temperature resistant fire damper of the present invention.

In the figure: 1. a heat resistant protective shell; 101. a fixed base; 102. fixing screw holes; 2. a control box body; 201. a movable door; 202. a door handle; 3. a main control rotating shaft; 301. an execution card slot; 302. a first memory spring; 303. a limiting block; 304. an electric device; 4. a first fireproof area; 401. a centrifugal fan; 402. a second fire protection area; 5. a fire protection flap; 501. a cascade shaft; 502. a bevel gear; 503. a spur gear; 504. a cascade conveyor belt; 505. a second memory spring; 506. bevel gears.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a high temperature resistant fire damper comprises a heat resistant protective shell 1, a control box body 2 is fixedly installed on the front surface of the heat resistant protective shell 1, a main control rotating shaft 3 is movably installed inside the control box body 2, a first fire protection area 4 is uniformly installed inside the heat resistant protective shell 1, and a fire protection blade 5 is movably installed inside the first fire protection area 4;

the upper surface and the lower surface of the heat-resistant protective shell 1 are fixedly provided with a fixed base 101, and the upper surface of the fixed base 101 close to four corners is provided with fixed screw holes 102; a movable door 201 is movably installed on the front surface of the control box body 2, and a door handle 202 is fixedly installed on the front surface of the movable door 201; an execution clamping groove 301 is sleeved on the outer side surface of the main control rotating shaft 3, a first memory spring 302 is connected and installed on the lower surface of one end of the execution clamping groove 301, the first memory spring 302 can deform and elongate at high temperature to further push the execution clamping groove 301 to rotate, so that the main control rotating shaft 3 is driven to rotate, rotation of the fireproof blade 5 is achieved, a limiting block 303 is connected and installed on the other end of the first memory spring 302, the limiting block 303 is fixedly installed inside the control box body 2, and an electric device 304 is fixedly installed on the position, located on one side of the main control rotating shaft 3, inside the control box body 2; a centrifugal fan 401 is fixedly installed in the middle of the inside of the heat-resistant protective shell 1, and a second fireproof area 402 is fixedly installed in the inside of the fixed base 101; a cascade rotating shaft 501 is fixedly installed on the central position of the front surface of the fireproof blade 5, a bevel gear 502 is sleeved on the side surface of the cascade rotating shaft 501 close to the upper end position, a spur gear 503 is sleeved on the side surface of the cascade rotating shaft 501 close to the lower end position, a cascade conveyor belt 504 is sleeved on the outer side surface of the spur gear 503, the spur gear 503 is matched with the cascade conveyor belt 504 to ensure that the fireproof blades 5 on the same plane rotate simultaneously, a second memory spring 505 is fixedly installed on the upper end surface of the cascade rotating shaft 501, the second memory spring 505 can deform after being heated to limit the rotating range of the fireproof blade 5, the fireproof blades 5 can be mutually closed to block flame, a conical gear 506 is movably installed on the upper surface of the bevel gear 502, and the conical gear 506 is matched with the conical gear 506 to ensure the movable cascade between the first fireproof area 4 and the second fireproof area 402, thereby achieving the effect of multilayer flame-proof.

It should be noted that, the utility model relates to a high temperature resistant fire damper, when using, install the fixed base 101 in the pipeline through the fixed screw 102, the heat-resisting protective housing 1 that the mixed material of quartz sand and clay constitutes can strengthen the heat resistance of fire damper, the inside circulation of air of pipeline can be accelerated to centrifugal fan 401, improve the discharge efficiency of oil smoke, when the conflagration breaks out, the fire damper detects the temperature rise, close fire damper 5 through electric actuator 304, if electric actuator 304 became invalid, first memory spring 302 can be out of shape and elongated at high temperature, and then promote execution draw-in groove 301 to rotate, thereby drive main control pivot 3 to rotate, because main control pivot 3 links to each other with cascade pivot 501 through second memory spring 505, and cascade pivot 501 is last fixed mounting has fire damper 5, so can realize the rotation of fire damper 5 from this, second memory spring 505 can be out of shape after heating, the rotation range of the fireproof blades 5 is limited, the fireproof blades 5 can be closed mutually to block flame, and the bevel gear 502 and the bevel gear 506 can ensure movable cascade connection between the first fireproof area 4 and the second fireproof area 402, so that the effect of blocking flame in multiple layers is achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature resistant type fire prevention valve which characterized in that: including heat-resisting protective housing (1), fixed mounting has control box (2) on the front surface of heat-resisting protective housing (1), the inside movable mounting of control box (2) has master control pivot (3), fire prevention district (4) are evenly installed to the inside of heat-resisting protective housing (1), the inside movable mounting of fire prevention blade (5) of a fire prevention district (4).

2. A high temperature resistant fire damper as recited in claim 1, wherein: the heat-resistant protective housing is characterized in that fixing bases (101) are fixedly mounted on the upper surface and the lower surface of the heat-resistant protective housing (1), and fixing screw holes (102) are formed in the positions, close to four corners, of the upper surface of each fixing base (101).

3. A high temperature resistant fire damper as recited in claim 2, wherein: a movable door (201) is movably mounted on the front surface of the control box body (2), and a door handle (202) is fixedly mounted on the front surface of the movable door (201).

4. A high temperature resistant fire damper as recited in claim 3, wherein: the outside of main control pivot (3) is established on the surface and is installed execution draw-in groove (301), connect on the one end lower surface of execution draw-in groove (301) and install memory spring (302), connect on the other end of memory spring (302) and install stopper (303), stopper (303) fixed mounting is in the inside of control box (2), fixed mounting has electric actuator (304) on the inside of control box (2) is located one side position of main control pivot (3).

5. A high temperature resistant fire damper as claimed in claim 4, wherein: the centrifugal fan (401) is fixedly mounted in the middle of the heat-resistant protective shell (1), and the second fireproof area (402) is fixedly mounted in the fixing base (101).

6. A high temperature resistant fire damper as claimed in claim 5, wherein: fixed mounting has cascaded pivot (501) on the positive surface position placed in the middle of fire prevention blade (5), it establishes and installs bevel gear (502) to cascade pivot (501) on being close to the side surface of upper end position, it establishes and installs spur gear (503) to cascade pivot (501) on being close to the side surface of lower extreme position, the outside of spur gear (503) is established and is installed cascade conveyer belt (504) to overlap on the surface, the upper end of cascading pivot (501) fixed mounting has No. two memory spring (505) on the surface, the last surface activity of bevel gear (502) installs conical gear (506).