CN213018060U

CN213018060U - High-temperature-resistant fire-proof valve with high sealing performance

Info

Publication number: CN213018060U
Application number: CN202021323311.9U
Authority: CN
Inventors: 仝年
Original assignee: Shandong Capital Installation Engineering Co ltd
Current assignee: Shandong Capital Installation Engineering Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-20
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a high-temperature resistant fire prevention valve of high leakproofness, including air pipe, the opening, the mounting panel, the fire prevention valve body, the fixed block, the draw-in groove, activity groove and fixed establishment, the opening has been seted up at air pipe's top, the position that the air pipe top corresponds the opening is provided with the mounting panel, the bottom fixedly connected with fire prevention valve body of mounting panel, the bottom of fire prevention valve body runs through the opening and extends to air pipe's inside, swing joint between the surface of fire prevention valve body and air pipe's the inner wall, the equal fixedly connected with fixed block in the left and right sides of mounting panel bottom. The utility model discloses a set up air pipe, opening, mounting panel, fire prevention valve body, fixed block, draw-in groove, activity groove, fixed establishment, telescopic link, baffle, spacing spring, fixture block and driving lever and mutually support, played convenient to detach's effect, after the fire prevention valve body damages, can be fast convenient take out it from air pipe to bring very big facility for the user.

Description

High-temperature-resistant fire-proof valve with high sealing performance

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a high temperature resistant fire prevention valve of high leakproofness.

Background

The fire-proof valve is generally installed on the air supply and return pipelines of ventilation and air conditioning systems, is in an open state at ordinary times, and when the temperature of gas in the pipeline reaches 70 ℃ in a fire disaster, the fusible piece is fused, the valve is automatically closed under the action of torsional spring force, the requirements on fire-proof stability and fire-proof integrity can be met within a certain time, and the valve plays a role in isolating smoke and fire. When the valve is closed, a closing signal is output.

Patent for application number CN201721658110.2, a high temperature resistant fire prevention valve of high leakproofness, including valve body and a plurality of blade, the valve body comprises indulging frame plate and horizontal frame board, indulge and be equipped with actuating mechanism, temperature sensor, spring and shaft hole on the frame plate, both ends are connected with link means about the blade, and the blade both ends are equipped with the clamp plate, are equipped with the blade axle between blade and the clamp plate, the blade axle is connected to on indulging the frame plate through the shaft hole. The utility model discloses rational in infrastructure, long service life, the gas tightness is good, and is high temperature resistant, and the thermal deformation rate is extremely low, has effectively guaranteed smoke protection and fire behavior.

But above-mentioned common high leakproofness is high temperature resistant fire prevention valve has the problem of not being convenient for dismantle, damages the back when the fire prevention valve body, can't be fast convenient take out it from the ventilation pipe to cause very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant fire prevention valve of high leakproofness to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant fire damper with high sealing performance comprises an air duct, an opening, a mounting plate, a fire damper body, a fixing block, a clamping groove, a movable groove and a fixing mechanism, wherein the opening is formed in the top of the air duct, the mounting plate is arranged at the position, corresponding to the opening, of the top of the air duct, the fire damper body is fixedly connected to the bottom of the mounting plate, the bottom of the fire damper body penetrates through the opening and extends into the air duct, the surface of the fire damper body is movably connected with the inner wall of the air duct, the fixing block is fixedly connected to the left side and the right side of the bottom of the mounting plate, the clamping groove is formed in one side, close to the air duct, of the fixing block, the movable groove is;

the fixing mechanism comprises two telescopic rods, the two telescopic rods are symmetrically arranged on one side, close to the fire damper body, of the inner wall of the movable groove, the telescopic rods are close to one side of the fire damper body and fixedly connected with the inner wall of the movable groove, one ends, far away from the fire damper body, of the two telescopic rods are fixedly connected with the baffle plate, limiting springs are sleeved on the surfaces of the telescopic rods and are close to one ends of the baffle plate and fixedly connected with the inner wall of the movable groove, one ends, far away from the baffle plate, of the limiting springs are fixedly connected with the inner wall of the movable groove, the middle point of one side, far away from the telescopic rods, of the baffle plate are fixedly connected with clamping blocks, one sides, far away from the baffle plate, of the clamping blocks sequentially penetrate through the movable groove and the clamping grooves.

Preferably, the mounting plate is movably connected with the ventilation pipeline.

Preferably, the surface of the baffle is connected with the inner wall of the movable groove in a sliding mode.

Preferably, the fire damper body is connected with the port in a sliding mode.

Preferably, the shifting rod is movably connected with the fixed block.

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

the utility model discloses a set up air pipe, opening, mounting panel, fire prevention valve body, fixed block, draw-in groove, activity groove, fixed establishment, telescopic link, baffle, spacing spring, fixture block and driving lever and mutually support, played convenient to detach's effect, after the fire prevention valve body damages, can be fast convenient take out it from air pipe to bring very big facility for the user.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

fig. 2 is a schematic structural diagram of a top view of the ventilation duct of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1 according to the present invention.

In the figure: 1 ventilating duct, 2 openings, 3 mounting plates, 4 fire prevention valve bodies, 5 fixing blocks, 6 clamping grooves, 7 movable grooves, 8 fixing mechanisms, 801 telescopic rods, 802 baffles, 803 limiting springs, 804 clamping blocks and 805 deflector rods.

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 fig. 1-3, a high-sealing and high-temperature-resistant fire damper comprises a ventilation duct 1, a through opening 2, a mounting plate 3, a fire damper body 4, a fixing block 5, a clamping groove 6, a movable groove 7 and a fixing mechanism 8, wherein the through opening 2 is arranged at the top of the ventilation duct 1, the mounting plate 3 is arranged at the top of the ventilation duct 1 corresponding to the through opening 2, the mounting plate 3 is movably connected with the ventilation duct 1, the bottom of the mounting plate 3 is fixedly connected with the fire damper body 4, the bottom of the fire damper body 4 penetrates through the through opening 2 and extends into the ventilation duct 1, the fire damper body 4 is connected with the through opening 2 in a sliding manner, the surface of the fire damper body 4 is movably connected with the inner wall of the ventilation duct 1, the fixing blocks 5 are fixedly connected with the left side and the right side of the bottom of the mounting plate 3, the clamping, the movable groove 7 is internally provided with a fixing mechanism 8.

The fixing mechanism 8 comprises two telescopic rods 801, the two telescopic rods 801 are symmetrically arranged on one side of the inner wall of the movable groove 7 close to the fire-proof valve body 4, one side of the telescopic rods 801 close to the fire-proof valve body 4 is fixedly connected with the inner wall of the movable groove 7, one end of the two telescopic rods 801 far away from the fire-proof valve body 4 is fixedly connected with a baffle 802, the surface of the baffle 802 is in sliding connection with the inner wall of the movable groove 7, a limiting spring 803 is sleeved on the surface of the telescopic rods 801, one end of the limiting spring 803 close to the baffle 802 is fixedly connected with the baffle 802, one end of the limiting spring 803 far away from the baffle 802 is fixedly connected with the inner wall of the movable groove 7, a clamping block 804 is fixedly connected at the midpoint of one side of the baffle 802 far away from the telescopic rods 801, one side of the clamping block 804 far away from the baffle 802 sequentially penetrates through the movable groove 7 and the clamping groove 6 and extends into, the driving lever 805 is movably connected with the fixed block 5.

During the use, when fire prevention valve body 4 was dismantled to needs, to pushing the driving lever 805 to the one side that is close to fire prevention valve body 4 to can drive fixture block 804 and baffle 802 to the one side motion that is close to fire prevention valve body 4, compress telescopic link 801 and spacing spring 803 simultaneously, thereby make fixture block 804 break away from the draw-in groove 6 completely can, then upwards pulling mounting panel 3, can take out fire prevention valve body 4 from ventilation pipe 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant fire prevention valve of high leakproofness, includes air pipe (1), opening (2), mounting panel (3), fire prevention valve body (4), fixed block (5), draw-in groove (6), movable groove (7) and fixed establishment (8), its characterized in that: the ventilating duct is characterized in that the top of the ventilating duct (1) is provided with an opening (2), a mounting plate (3) is arranged at the position, corresponding to the opening (2), of the top of the ventilating duct (1), the bottom of the mounting plate (3) is fixedly connected with a fireproof valve body (4), the bottom of the fireproof valve body (4) penetrates through the opening (2) and extends into the ventilating duct (1), the surface of the fireproof valve body (4) is movably connected with the inner wall of the ventilating duct (1), the left side and the right side of the bottom of the mounting plate (3) are fixedly connected with fixing blocks (5), one side, close to the ventilating duct (1), of each fixing block (5) is provided with a clamping groove (6), the tops of the left side and the right side of the ventilating duct (1) are provided with movable grooves (7), and a;

the fixing mechanism (8) comprises two telescopic rods (801), the two telescopic rods (801) are symmetrically arranged on one side, close to the fire damper body (4), of the inner wall of the movable groove (7), one side, close to the fire damper body (4), of each telescopic rod (801) is fixedly connected with the inner wall of the movable groove (7), one end, far away from the fire damper body (4), of each telescopic rod (801) is fixedly connected with one end of each telescopic rod through a baffle (802), a limiting spring (803) is sleeved on the surface of each telescopic rod (801), one end, close to the baffle (802), of each limiting spring (803) is fixedly connected with one end of each telescopic rod (802), one end, far away from the baffle (802), of each limiting spring (803) is fixedly connected with the inner wall of the movable groove (7), a fixture block (804) is fixedly connected with the midpoint of one side, far away from the baffle (802), of each fixture block (804) sequentially penetrates through the movable groove (7) and the fixture groove (6) and, the fixture block (804) is movably connected with the clamping groove (6), and the position, which is located between the fixing block (5) and the ventilation pipeline (1), at the bottom of the fixture block (804) is fixedly connected with a shifting lever (805).

2. The high-sealing high-temperature-resistant fire damper as claimed in claim 1, wherein: the mounting plate (3) is movably connected with the ventilation pipeline (1).

3. The high-sealing high-temperature-resistant fire damper as claimed in claim 1, wherein: the surface of the baffle (802) is in sliding connection with the inner wall of the movable groove (7).

4. The high-sealing high-temperature-resistant fire damper as claimed in claim 1, wherein: the fire damper body (4) is connected with the through opening (2) in a sliding mode.

5. The high-sealing high-temperature-resistant fire damper as claimed in claim 1, wherein: the shifting rod (805) is movably connected with the fixed block (5).