阅读说明：本技术 一种通风管道的消防阀门 (Fire valve of ventilating duct ) 是由 杨寿宝 于 2020-04-09 设计创作，主要内容包括：本发明公开了一种通风管道的消防阀门,其结构包括固定机构、移动风扇、固定孔,固定孔焊接在固定机构的下端,固定机构由固定块、固定杆、滑动块、滑动机构、滑动板、转动机构、收卷机构构成,当风力达到一定速度后,在风的作用力下,使得卡合在固定杆内的固定块进行位移,在重力块的重力作用下,带动卡合柱进行旋转,收卷柱上的连接板进行放卷,固定板嵌固在收卷柱内部进行固定,使得重力杆固定在间隙板的间隙中,防止风速过大,避免连接板与弯曲条吹散,提高阻挡浓烟的作用,使得焊接块对收卷柱进行收卷,继而消防阀门能进行重复使用,且使移动风扇的两端进行同步位移,防止了移动风扇因两端位移速度不同,进而卡住。(The invention discloses a fire valve of a ventilating duct, which structurally comprises a fixing mechanism, a movable fan and a fixing hole, wherein the fixing hole is welded at the lower end of the fixing mechanism, the fixing mechanism consists of a fixing block, a fixing rod, a sliding block, a sliding mechanism, a sliding plate, a rotating mechanism and a rolling mechanism, when wind power reaches a certain speed, the fixing block clamped in the fixing rod is enabled to displace under the action of wind, a clamping column is driven to rotate under the action of gravity of a gravity block, a connecting plate on the rolling column is unreeled, the fixing plate is fixedly embedded in the rolling column to be fixed, the gravity rod is fixed in a gap of a gap plate, the wind speed is prevented from being overlarge, the connecting plate and a bending strip are prevented from blowing away, the effect of blocking dense smoke is improved, the welding block is enabled to roll the rolling column, then the fire valve can be repeatedly used, and two ends of the movable fan are enabled to, the movable fan is prevented from being clamped due to different displacement speeds at two ends.)

1. The utility model provides a fire control valve of air pipe, its structure includes fixed establishment (1), removes fan (2), fixed orifices (3), the lower extreme at fixed establishment (1) is welded in fixed orifices (3), remove fan (2) built-in mounting in the inside of fixed establishment (1), its characterized in that:

The fixed mechanism (1) is composed of a fixed block (11), a fixed rod (12), a sliding block (13), a sliding mechanism (14), a sliding plate (15), a rotating mechanism (16) and a winding mechanism (17), wherein the fixed block (11) and the winding mechanism (17) are mutually clamped, the fixed block (11) is installed inside the fixed rod (12), the sliding block (13) and the fixed rod (12) are of an integrated structure, the sliding mechanism (14) is located on two sides of the movable fan (2), the rotating mechanism (16) is located inside the sliding plate (15), and the lower end of the winding mechanism (17) is clamped inside the rotating mechanism (16).

2. A fire valve for a ventilation duct according to claim 1, characterised in that: winding mechanism (17) are equipped with block post (171), block groove (172), rolling post (173), block groove (172) are located the inside outside of block post (171), block groove (172) and fixed block (11) clearance fit, block post (171) welding is in rolling post (173) left end.

3. A fire valve for a ventilation duct according to claim 2, characterised in that: the rolling column (173) is composed of a fixing plate (a1), a bent strip (a2), a connecting plate (a3) and a gravity block (a4), the fixing plate (a1) is fixedly installed inside the rolling column (173), the upper end of the bent strip (a2) is fixedly installed at the lower end of the connecting plate (a3), and the upper end of the gravity block (a4) is welded at the lower end of the connecting plate (a 3).

4. A fire valve for a ventilation duct according to claim 3, characterised in that: the gravity block (a4) is provided with a gap plate (a41), a magnetic block (a42) and a gravity rod (a43), the magnetic block (a42) is embedded and fixedly installed inside the gravity rod (a43), and the gravity rod (a43) is in clearance fit with the gap plate (a 41).

5. A fire valve for a ventilation duct according to claim 1 or 3, characterized in that: slewing mechanism (16) are equipped with roller (161), rotation groove (162), welding piece (163), rotation groove (162) and roller (161) structure as an organic whole, welding piece (163) welding is at connecting plate (a3) lower extreme, roller (161) and welding piece (163) structure as an organic whole, welding piece (163) and coiling post (173) structure as an organic whole.

6. A fire valve for a ventilation duct according to claim 1, characterised in that: the sliding mechanism (14) comprises a sliding groove (141) and a friction block (142), wherein the friction block (142) is clamped at the lower end of the friction block (142), and the upper end of the sliding groove (141) is welded on the inner side of the sliding plate (15).

Technical Field

The invention relates to the field of fire fighting devices, in particular to a fire valve of a ventilating duct.

Background

Under ventilation pipe's fire valve mainly used conflagration condition, through stopping dense cigarette, prevent that dense cigarette from getting into the vent and stretching to other rooms, when the conflagration breaing out, dense cigarette has higher temperature, and can continuously heat up, utilize temperature fuse to reach two hundred eighty degrees centigrade time can fusing characteristic, temperature fuse on the exhaust valve is closed to valve control, but wait for the time overlength that temperature fuse reaches melting temperature, the dense cigarette volume that gets into the vent and pass through is too much, inside mars enters into ventilation pipe along with dense cigarette, get into other rooms, lead to arousing other rooms and take place the conflagration.

Disclosure of Invention

The invention is realized by the following technical scheme: the utility model provides a fire control valve of air pipe, its structure includes fixed establishment, removal fan, fixed orifices, the fixed orifices welding is at fixed establishment's lower extreme, remove the fan embedded fixed and install in fixed establishment's inside, fixed establishment comprises fixed block, dead lever, sliding block, slide mechanism, sliding plate, slewing mechanism, winding mechanism, the mutual block of fixed block and winding mechanism, the fixed block is installed inside the dead lever, sliding block and dead lever structure as an organic whole, slide mechanism is located the both sides of removing the fan, slewing mechanism is located inside the sliding plate, winding mechanism's lower extreme block is inside slewing mechanism, be equipped with the spring in the dead lever, the left end shape of fixed block is regular pentagon, and the right-hand member block is in the inside spring of dead lever.

The rolling mechanism is further improved by being provided with a clamping column, a clamping groove and a rolling column, wherein the clamping groove is positioned on the outer side of the inside of the clamping column, the clamping groove is in clearance fit with a fixed block, the clamping column is welded at the left end of the rolling column, a regular pentagonal hollow groove is arranged on the left side of the clamping groove, and the clamping column is clamped inside a sliding plate.

As a further improvement of the invention, the winding post is composed of a fixed plate, a bending strip, a connecting plate and a gravity block, wherein the fixed plate is embedded and installed inside the winding post, the upper end of the bending strip is embedded and installed at the lower end of the connecting plate, the upper end of the gravity block is welded at the lower end of the connecting plate, the bending strip is made of PTFE material and has the properties of easy bending and high temperature resistance, and the gravity block is made of iron solid and has the characteristic of large gravity.

The gravity block is provided with a gap plate, a magnetic block and a gravity rod, the magnetic block is fixedly embedded in the gravity rod, the gravity rod is in clearance fit with the gap plate, the four magnetic blocks are uniformly distributed in the gravity rod and the gap plate, the magnetic block in the gap plate is a positive magnet, and the magnetic block in the gravity rod is a negative magnet.

As a further improvement of the invention, the rotating mechanism is provided with a roll shaft, a rotating groove and a welding block, the rotating groove and the roll shaft are of an integrated structure, the welding block is welded at the lower end of the connecting plate, the roll shaft and the welding block are of an integrated structure, the welding block and the coiling column are of an integrated structure, and the rotating groove is a regular pentagonal hollow groove.

As a further improvement of the invention, the sliding mechanism comprises a sliding groove and a friction block, the friction block is clamped at the lower end of the friction block, the upper end of the sliding groove is welded on the inner side of the sliding plate, the friction block is a steel ball body and has smoothness, the sliding groove is made of an iron material, and the lower end of the sliding groove is polished to have smoothness.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. When the wind power reaches a certain speed, under the action of the wind, the movable fan slides on a sliding mechanism on the inner side of the sliding plate, the sliding block acts on the force, so that the sliding block compresses a spring in the fixed rod, the fixed block clamped in the fixed rod is displaced, the clamping between the clamping groove and the fixed block is finished, the fixed block is separated from the winding mechanism, under the action of the gravity block, the clamping column is driven to rotate, the connecting plate on the winding column is unreeled, the fixed plate is fixedly embedded in the winding column for fixing, four magnetic blocks are uniformly distributed in the gravity rod and the gap plate, the magnetic block on the gap plate is a positive magnet, the magnetic block in the gravity rod is a negative magnet, the gravity rod is fixed in the gap of the gap plate through the mutual attraction of the positive magnet and the negative magnet, the wind speed is prevented from being too large, and the connecting plate is prevented from being blown away from, improving the function of blocking dense smoke.

2. The rotation groove is regular pentagonal hollow groove, and the one end and the external connection in rotation groove, through rotating the rotation groove, make the welding piece carry out the rolling to the rolling post, then the fire control valve can carry out used repeatedly, and the mutual sliding fit of clutch blocks and sliding tray, make the removal fan slide unimpededly, block through clutch blocks and sliding tray, make the both ends of removal fan slide on slide mechanism, and the sliding fit between glossy clutch blocks and the sliding tray, make the both ends of removal fan carry out synchronous displacement, the removal fan has been prevented because of both ends displacement speed difference, and then block.

Drawings

Fig. 1 is a schematic structural view of a fire valve of a ventilation duct of the present invention.

Fig. 2 is a schematic top view of a fixing mechanism according to the present invention.

Fig. 3 is a schematic perspective view of a winding mechanism according to the present invention.

Fig. 4 is a schematic perspective view of a winding post according to the present invention.

Fig. 5 is a schematic plan view of a gravity block according to the present invention.

Fig. 6 is a schematic side view of a rotating mechanism according to the present invention.

Fig. 7 is a schematic front structural view of a sliding mechanism according to the present invention.

In the figure: the device comprises a fixing mechanism-1, a movable fan-2, a fixing hole-3, a fixing block-11, a fixing rod-12, a sliding block-13, a sliding mechanism-14, a sliding plate-15, a rotating mechanism-16, a winding mechanism-17, a sliding groove-141, a friction block-142, a clamping column-171, a clamping groove-172, a winding column-173, a fixing plate-a 1, a bending strip-a 2, a connecting plate-a 3, a gravity block-a 4, a roller shaft-161, a rotating groove-162, a welding block-163, a gap plate-a 41, a magnetic block-a 42 and a gravity rod-a 43.

Detailed Description

The technology of the present invention is further described with reference to the accompanying drawings: