CN218207248U

CN218207248U - Fire control smoke exhaust fan export noise eliminator

Info

Publication number: CN218207248U
Application number: CN202222695407.3U
Authority: CN
Inventors: 魏煌; 孙阳春; 孙清宏
Original assignee: Yunnan Wuling Changshui Ventilation Equipment Co ltd
Current assignee: Yunnan Wuling Changshui Ventilation Equipment Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-03
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a fire-fighting smoke exhaust fan outlet muffler device, relating to the technical field of muffler devices; the utility model comprises a silencing box, wherein the interior of the silencing box is symmetrically and slidably connected with clapboards, two sides of the bottom end of one clapboard are fixedly provided with connecting plates, one side of the two connecting plates opposite to each other is provided with a plurality of chutes, one side of a first connecting rod close to the chutes is provided with a first mounting groove, one side of the interior of the first mounting groove is fixedly provided with a first spring, the interior of the first mounting groove is slidably connected with a limiting block, and a silencing honeycomb plate is arranged between the two first connecting rods; the silencing honeycomb plate is pulled to be arranged, the limiting block inside the first connecting rod is contracted along the first mounting groove and is extracted from the inside of the limiting groove on the surface of the sliding groove, so that the silencing honeycomb plate slides along the sliding groove, otherwise, when the silencing box is inserted into the silencing box along the sliding groove, the limiting block is pushed into the limiting groove under the thrust of the first spring, and the silencing honeycomb plate is mounted.

Description

Fire control smoke exhaust fan export noise eliminator

Technical Field

The utility model relates to a noise eliminator technical field specifically is a fire control smoke exhaust fan export noise eliminator.

Background

The noise eliminator is one noise eliminator for airflow pipeline with noise spreading, and has noise eliminating and reflecting device to attenuate or reflect the noise inside the pipeline.

The silencing pipe or the silencing honeycomb plate inside the traditional smoke exhaust fan outlet silencing device is fixedly arranged inside the silencing device, and when part of the silencing pipe or the silencing honeycomb plate is damaged and needs to be replaced, the silencing pipe or the silencing honeycomb plate cannot be detached.

SUMMERY OF THE UTILITY MODEL

The silencer aims to solve the problem that when a silencing pipeline or a silencing honeycomb plate in the traditional silencer for the outlet of the smoke exhaust fan is damaged and needs to be replaced, the silencer cannot be detached; an object of the utility model is to provide a fire control smoke exhaust fan export noise eliminator.

In order to solve the technical problem, the utility model adopts the following technical scheme: a fire-fighting smoke exhaust fan outlet silencing device comprises a silencing box, wherein partition plates are symmetrically and slidably connected inside the silencing box, the partition plates can be detached or installed, the two partition plates divide the interior of the silencing box into a first cavity and a second cavity, connecting plates are fixedly installed on two sides of the bottom end of one partition plate, a plurality of sliding grooves are formed in opposite sides of the two connecting plates, and first connecting rods are slidably connected inside the sliding grooves;

a first mounting groove is formed in one side, close to the sliding groove, of the first connecting rod, a first spring is fixedly mounted on one side inside the first mounting groove, a limiting block is connected inside the first mounting groove in a sliding mode, the limiting block shrinks inside the first mounting groove in the sliding process of the first connecting rod, the first spring shrinks in the shrinking process of the limiting block, one side of the limiting block is arc-shaped, a limiting groove matched with the limiting block is formed in the sliding groove, when the limiting block moves to the surface of the limiting groove, the limiting block is pushed into the limiting groove under the condition that the first spring generates thrust due to restoration, a silencing honeycomb plate is arranged between the two first connecting rods, and the silencing honeycomb plate can slide along the sliding groove under the action of the first connecting rods, so that the silencing honeycomb plate can be detached or mounted;

the gas mixed with smoke is conveyed to the inside of the first silencing pipe through the connecting pipe through the smoke collecting hood, primary silencing is carried out on the gas through the silencing holes, the gas after primary silencing is carried out in the first chamber through silencing cotton inside the second silencing pipe for secondary silencing, the gas after secondary silencing enters the second chamber and is subjected to secondary silencing treatment through the silencing honeycomb plate, the gas is discharged out of the silencing box through the third silencing pipe and the air outlet pipe, when the silencing honeycomb plate or the silencing pipeline inside the first chamber needs to be disassembled and replaced, the limiting block is contracted into the inside of the first mounting groove in the sliding process of the first connecting rod, the first spring is contracted in the contraction process of the limiting block, when the limiting block moves to the surface of the limiting groove, the limiting block is pushed into the limiting groove under the condition that the first spring generates thrust due to restoration, the silencing honeycomb plate can slide along the sliding groove under the action of the first connecting rod, so that the silencing honeycomb plate can be disassembled or installed on the silencing pipe, the second connecting pipe can be disassembled and the third silencing pipe can be conveniently disassembled and installed and can be connected with the silencing pipe through the connecting pipe.

Preferably, a fixing ring is fixedly mounted on one side inside the first chamber, a second mounting groove is symmetrically formed in the inner surface of the fixing ring, a second spring is fixedly mounted on one side inside the second mounting groove, a second connecting rod is slidably connected inside the second mounting groove, a fixing frame is fixedly mounted on one side of the second connecting rod, first muffling pipes are arranged inside the two fixing frames, and a plurality of muffling holes are formed in the surface of each first muffling pipe.

Preferably, one of them the inside one side of baffle can be dismantled and be equipped with the second muffler pipe, another the inside central point department of putting of baffle can be dismantled and be equipped with the third muffler pipe, the inside of second muffler pipe and third muffler pipe all is equipped with the noise elimination cotton, the central point department of putting on noise elimination case top fixed mounting has first ring flange, the one end fixedly connected with of first ring flange goes out the tuber pipe, the other end of third muffler pipe runs through the noise elimination case and is connected with the bottom of first ring flange.

Preferably, one side of the muffling box is provided with a cover plate, the two sides of the muffling box of the cover plate are symmetrically and fixedly provided with an articulated frame, the surface of the articulated frame is provided with bolts, the cover plate is connected with the muffling box through the articulated frame and the bolts, one side of the bottom end of the muffling box is provided with a connecting pipe which penetrates through the muffling box and is connected with the first muffling pipe in a detachable manner, the other end of the connecting pipe is provided with a second flange plate, and the other end of the second flange plate is provided with a smoke collecting cover.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a silencing honeycomb panel, including the stopper of pulling setting, the stopper of head rod inside contracts along first mounting groove, extracts from the inside of spout surface spacing groove for the silencing honeycomb panel slides out from the inside of silencing case along the spout, thereby can dismantle solitary silencing honeycomb panel, otherwise when inserting the silencing incasement portion along the spout, under the thrust of first spring, pushes the inside of stopper into the spacing groove, thereby reaches the installation to silencing honeycomb panel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic diagram of the internal structure of the muffling box of the present invention.

Fig. 3 is a sectional view of the fixing ring of the present invention.

Fig. 4 is a sectional view of the first connecting rod according to the present invention.

In the figure: 1. a silencing box; 2. a partition plate; 3. a first chamber; 4. a second chamber; 5. a connecting plate; 6. a chute; 7. a first connecting rod; 8. a first mounting groove; 9. a first spring; 10. a limiting block; 12. a sound-deadening cellular board; 13. a second muffler pipe; 14. a fixing ring; 15. a second mounting groove; 16. a second spring; 17. a second connecting rod; 18. a fixed mount; 19. a first muffler pipe; 20. a sound-deadening aperture; 21. a third sound-deadening tube; 22. a first flange plate; 23. an air outlet pipe; 24. a cover plate; 25. a hinged frame; 27. a connecting pipe; 28. a second flange plate; 29. a fume collecting hood.

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.

Example (b): as shown in fig. 1-4, the utility model provides a fire-fighting smoke exhaust fan outlet muffler device, which comprises a muffler box 1, wherein the interior of the muffler box 1 is symmetrically and slidably connected with a partition plate 2, the partition plate 2 can be disassembled or installed, the interior of the muffler box 1 is disassembled into a first cavity 3 and a second cavity 4 by the two partition plates 2, connecting plates 5 are fixedly installed on both sides of the bottom end of one partition plate 2, a plurality of chutes 6 are arranged on the opposite sides of the two connecting plates 5, and the interior of the chutes 6 is slidably connected with a first connecting rod 7;

first mounting groove 8 has been seted up to one side that head rod 7 is close to spout 6, the inside one side fixed mounting of first mounting groove 8 has first spring 9, the inside sliding connection of first mounting groove 8 has stopper 10, stopper 10 contracts the inside of first mounting groove 8 at the gliding in-process of head rod 7, stopper 10 contracts the in-process first spring 9 that contracts, one side of stopper 10 is the arc form, the spacing groove with stopper 10 looks adaptation is seted up to the inside of spout 6, when stopper 10 moves the surface of spacing groove, first spring 9 produces under the condition of thrust because of recovering, push into the inside of spacing groove with stopper 10, be equipped with noise elimination honeycomb panel 12 between two head rods 7, but noise elimination honeycomb panel 12 can the spout slide along 6 under the effect of head rod 7, thereby reach and dismantle or install noise elimination honeycomb panel 12.

Fixed ring 14 is fixedly installed at one side of the inside of first chamber 3, second mounting groove 15 has been seted up to fixed ring 14's internal surface symmetry, the inside one side fixed mounting of second mounting groove 15 has second spring 16, the inside sliding connection of second mounting groove 15 has second connecting rod 17, one side fixed mounting of second connecting rod 17 has mount 18, the inside of two mount 18 is equipped with first muffler pipe 19, a plurality of noise elimination hole 20 has been seted up on the surface of first muffler pipe 19.

Through adopting above-mentioned technical scheme, the second spring 16 that sets up produces thrust, makes mount 18 carry out spacing fixed to first muffler pipe 19 under the effect of second connecting rod 17, can dismantle the change to first muffler pipe 19, and gas is carried out the noise elimination through noise elimination hole 20 and is handled.

One side of one of them baffle 2 inside can be dismantled and be equipped with second muffler pipe 13, the inside central point department of putting of another baffle 2 can be dismantled and be equipped with third muffler pipe 21, the inside of second muffler pipe 13 and third muffler pipe 21 all is equipped with the noise elimination cotton, the central point department of putting on 1 top of noise reduction case fixed mounting has first ring flange 22, the one end fixedly connected with play tuber pipe 23 of first ring flange 22, the other end of third muffler pipe 21 runs through the bottom of noise reduction case 1 with first ring flange 22 and is connected.

By adopting the technical scheme, the gas after the first silencing treatment is secondarily silenced through the silencing cotton in the second silencing pipe 13 and the third silencing pipe 21, and the third silencing pipe 21 is connected with the air outlet pipe 23 through the first flange plate 22, so that the third silencing pipe 21 can be conveniently detached and replaced.

One side of the muffling box 1 is provided with a cover plate 24, two sides of the muffling box 1 of the cover plate 24 are symmetrically and fixedly provided with hinged frames 25, the surface of each hinged frame 25 is provided with a bolt, the cover plate 24 is connected with the muffling box 1 through the hinged frames 25 and the bolts, one side of the bottom end of the muffling box 1 is provided with a connecting pipe 27 which penetrates through the muffling box 1 and is connected with the first muffling pipe 19 in a detachable manner, the other end of the connecting pipe 27 is provided with a second flange 28, and the other end of the second flange 28 is provided with a smoke collecting hood 29.

By adopting the technical scheme, the cover plate 24 can be detached or installed from the surface of the silencing box 1 by using the hinge frame 25 and the bolts, the connecting pipe 27 can be detached or installed with the fume collecting hood 29 under the action of the second flange plate 28, and the connecting pipe 27 can be detached or installed at the joint of the first silencing pipe 19.

The working principle is as follows: the method comprises the steps that gas mixed with smoke is conveyed to the interior of a first silencing pipe 19 through a connecting pipe 27 through a smoke collecting hood 29, primary silencing is carried out on the gas through silencing holes 20, the gas after primary silencing is carried out is subjected to secondary silencing through silencing cotton in a second silencing pipe 13 in a first chamber 3, the gas after secondary silencing enters a second chamber 4 and is subjected to secondary silencing treatment through a silencing honeycomb plate 12, the inside of a silencing box 1 is discharged through a third silencing pipe 21 and an air outlet pipe 23, when the silencing honeycomb plate 12 or a silencing pipeline in the silencing box needs to be disassembled and replaced, a limiting block 10 is contracted into the inside of a first mounting groove 8 in the sliding process of a first connecting rod 7, a first spring 9 is contracted in the contraction process of the limiting block 10, when the limiting block 10 moves to the surface of the limiting groove, under the condition that the thrust force is generated by the restoration of the first spring 9 when the limiting block 10 is moved to the surface of the limiting groove, the limiting block 10 is pushed into the inside of the limiting groove, the silencing honeycomb plate 12 can slide under the action of the first connecting rod 7, so as to achieve the purpose of disassembling or replacing the honeycomb plate 12, the connecting pipe 16 can be disassembled and the connecting pipe 19, the connecting pipe can be connected with a second silencing pipe 16, the connecting pipe 21, the connecting pipe can be conveniently detached from the connecting pipe 21, the silencing box, the connecting pipe can be connected with a silencing rack, the silencing box, the silencing pipe 21, the connecting pipe 21, the silencing box can be conveniently, the silencing box, the silencing pipe 21, the third silencing box can be conveniently, the connecting pipe 21 can be conveniently, the silencing box can be conveniently.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a fire control smoke exhaust fan export noise eliminator, includes noise elimination case (1), its characterized in that: the interior of the silencing box (1) is symmetrically connected with partition plates (2) in a sliding manner, the two partition plates (2) divide the interior of the silencing box (1) into a first cavity (3) and a second cavity (4), two sides of the bottom end of one partition plate (2) are fixedly provided with connecting plates (5), one opposite side of each of the two connecting plates (5) is provided with a plurality of sliding grooves (6), and the interior of each sliding groove (6) is connected with a first connecting rod (7) in a sliding manner;

first mounting groove (8) have been seted up to one side that head rod (7) are close to spout (6), one side fixed mounting of first mounting groove (8) inside has first spring (9), the inside sliding connection of first mounting groove (8) has stopper (10), one side of stopper (10) is the arc form, the spacing groove with stopper (10) looks adaptation is seted up to the inside of spout (6), two be equipped with noise elimination honeycomb panel (12) between head rod (7).

2. The fire-fighting smoke exhaust fan outlet muffler device as defined in claim 1, wherein a fixing ring (14) is fixedly installed at one side inside the first chamber (3), a second installation groove (15) is symmetrically formed on the inner surface of the fixing ring (14), a second spring (16) is fixedly installed at one side inside the second installation groove (15), a second connecting rod (17) is slidably connected inside the second installation groove (15), and a fixing frame (18) is fixedly installed at one side of the second connecting rod (17).

3. The fire-fighting smoke exhaust fan outlet muffler device as defined in claim 2, wherein a first muffling pipe (19) is arranged inside the two fixed frames (18), and a plurality of muffling holes (20) are formed on the surface of the first muffling pipe (19).

4. A fire-fighting smoke exhaust fan outlet muffler device according to claim 1, wherein a second muffler pipe (13) is detachably provided on one side of the inside of one of the partition plates (2), a third muffler pipe (21) is detachably provided at the center of the inside of the other partition plate (2), and muffler cotton is provided inside both the second muffler pipe (13) and the third muffler pipe (21).

5. The fire-fighting smoke exhaust fan outlet silencer according to claim 4 is characterized in that a first flange (22) is fixedly installed at the center of the top end of the silencing box (1), one end of the first flange (22) is fixedly connected with an air outlet pipe (23), and the other end of the third silencing pipe (21) penetrates through the silencing box (1) and is connected with the bottom end of the first flange (22).

6. The fire-fighting smoke exhaust fan outlet silencer according to claim 3 is characterized in that a cover plate (24) is arranged on one side of the silencing box (1), hinged frames (25) are symmetrically and fixedly installed on two sides of the silencing box (1) of the cover plate (24), bolts are arranged on the surfaces of the hinged frames (25), the cover plate (24) is connected with the silencing box (1) through the hinged frames (25) and the bolts, and a connecting pipe (27) penetrating through the silencing box (1) and connected with the first silencing pipe (19) is detachably arranged on one side of the bottom end of the silencing box (1).

7. A fire fighting smoke exhaust fan outlet muffler device as defined in claim 6 wherein the other end of the connecting pipe (27) is provided with a second flange (28) and the other end of the second flange (28) is provided with a smoke collecting hood (29).