Intelligent fire-fighting smoke exhaust fan outlet noise elimination mechanism

Abstract

The utility model relates to the technical field of intelligent fire protection, and discloses an intelligent fire protection smoke exhaust fan outlet noise elimination mechanism which comprises an outlet pipeline, a sound absorption cover is installed on the outer side wall of the outlet pipeline, a connecting block is arranged in the sound absorption cover, heat insulation cotton is arranged on one side in the connecting block, and the heat insulation cotton is arranged on the other side in the connecting block. And sound absorption cotton is arranged on the other side of the inner cavity, connecting blocks are fixed to the bottom ends of the two sides of the sound absorption cover correspondingly, and locking rings are movably arranged on the outer side walls of the connecting blocks through rotating shafts correspondingly. According to the silencing mechanism, the components such as the locking ring, the locking base, the mounting groove and the mounting block are arranged, so that when the silencing mechanism is mounted on the outer side wall of an outlet pipeline for use, the silencing mechanism can be used for silencing the outlet pipelines with different heights; and under the mutual cooperation of the components, the sound absorption covers can be spliced for use according to the height of the actual protective outlet pipeline, so that the silencing mechanism has a splicing function, and the adaptability of use is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of smart fire protection technology, specifically to a smart fire exhaust fan outlet silencing mechanism. Background Technology

[0002] Smart fire protection is a new technology that uses technologies such as the Internet of Things, big data, and artificial intelligence to control fire protection systems. Smoke exhaust fans are one of the common devices in smart fire protection. In the event of a fire, the powerful exhaust capacity of smoke exhaust fans can quickly remove smoke and harmful gases from the fire, reduce indoor smoke concentration, and improve indoor visibility.

[0003] Traditional intelligent fire-fighting smoke exhaust fan outlet silencing mechanisms are inconvenient to use when the fan outlet duct has varying lengths. Therefore, we propose an improved intelligent fire-fighting smoke exhaust fan outlet silencing mechanism to address these issues. Utility Model Content

[0004] The purpose of this utility model is to provide a smart fire-fighting smoke exhaust fan outlet silencing mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a smart fire exhaust fan outlet silencing mechanism, comprising an outlet pipe, a sound-absorbing cover installed on the outer wall of the outlet pipe, a connecting block inside the sound-absorbing cover, heat insulation cotton on one side of the connecting block, an inner cavity inside the connecting block, heat insulation cotton on one side of the inner cavity, and sound-absorbing cotton on the other side of the inner cavity, an installation groove at the top of the sound-absorbing cover, an installation block fixed at the bottom of the sound-absorbing cover, locking bases fixed at the top of both sides of the sound-absorbing cover, connecting blocks fixed at the bottom of both sides of the sound-absorbing cover, and locking rings movably provided on the outer walls of the connecting blocks via a rotating shaft.

[0006] Preferably, four sets of locking rings and locking bases are provided, and the locking rings and locking bases are symmetrically distributed about the central axis of the sound-absorbing cover.

[0007] Preferably, the cross-section of the mounting groove is larger than the cross-section of the mounting block, and the mounting groove and the mounting block form an engaging structure.

[0008] Preferably, the cross-section of the locking ring is larger than the cross-section of the locking base, and the locking ring and the locking base form an engaging structure.

[0009] Preferably, the cross-section of the sound-absorbing cover is larger than the cross-section of the outlet pipe, and the sound-absorbing cover and the outlet pipe form an interlocking structure.

[0010] Preferably, the sound-absorbing cover has fixed seats on both sides of the front and rear ends, and fixed bolts are installed inside the fixed seats. The front and rear ends of the right side of the sound-absorbing cover are provided with splicing grooves, and the front and rear ends of the left side of the sound-absorbing cover are provided with splicing blocks.

[0011] Preferably, the cross-section of the splicing block is larger than the cross-section of the splicing groove, and the splicing block and the splicing groove form an interlocking structure.

[0012] Preferably, there are several fixing bolts, and the several fixing bolts are symmetrically distributed about the central axis of the sound-absorbing cover.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the intelligent fire smoke exhaust fan outlet silencing mechanism can not only be assembled to the required length for use, and can be easily installed on the outside of the fan outlet pipe, but also has the functions of not only silencing but also heat insulation.

[0014] (1) By setting components such as locking ring, locking base, mounting groove and mounting block, when the silencing mechanism is installed on the outer wall of the outlet pipe, if it encounters outlet pipes of different heights, the sound-absorbing cover can be spliced ​​together according to the actual height of the outlet pipe under the cooperation of the above components, thus realizing that the silencing mechanism has a splicing function and greatly increasing its adaptability.

[0015] (2) By setting up components such as splicing blocks, splicing grooves, fixing seats and fixing bolts, the noise reduction mechanism needs to be installed on the outer wall of the outlet pipe to reduce the noise generated inside. The addition of the above components makes it easy to install the sound-absorbing cover on the outer wall of the outlet pipe for protection, thus making the sound-absorbing cover easy to install and greatly increasing the convenience of installation.

[0016] (3) When the silencing mechanism is installed on the outer wall of the outlet pipe to absorb noise, heat insulation cotton is also provided on one side of the inner cavity of the sound-absorbing cover, so as to isolate the heat carried by the smoke discharged through the outlet pipe, thus realizing the heat insulation function of the silencing mechanism and effectively improving the protection of the silencing mechanism. Attached Figure Description

[0017] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0018] Figure 2 This is a front view structural diagram of the present utility model;

[0019] Figure 3 For the present utility model Figure 1 A magnified view of the structure at point A in the middle;

[0020] Figure 4 This is a front view structural diagram of the sound-absorbing cover of this utility model.

[0021] In the diagram: 1. Outlet pipe; 2. Sound-absorbing cover; 3. Locking ring; 4. Locking base; 5. Mounting groove; 6. Mounting block; 7. Heat insulation cotton; 8. Sound-absorbing cotton; 9. Splicing block; 10. Splicing groove; 11. Fixing seat; 12. Fixing bolt; 13. Connecting block; 14. Rotating shaft; 15. Inner cavity. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a smart fire-fighting smoke exhaust fan outlet silencing mechanism, including an outlet pipe 1, a sound-absorbing cover 2 installed on the outer wall of the outlet pipe 1, a connecting block 13 inside the sound-absorbing cover 2, an inner cavity 15 inside the connecting block 13, heat insulation cotton 7 on one side of the inner cavity 15, and sound-absorbing cotton 8 on the other side of the inner cavity 15, an installation groove 5 at the top of the sound-absorbing cover 2, an installation block 6 fixed at the bottom of the sound-absorbing cover 2, locking bases 4 fixed at the top of both sides of the sound-absorbing cover 2, and connecting blocks 13 fixed at the bottom of both sides of the sound-absorbing cover 2. The outer walls of the connecting blocks 13 are movable via rotating shafts 14. The sound-absorbing cover 2 is equipped with a locking ring 3, and there are four sets of locking rings 3 and locking bases 4. The locking rings 3 and locking bases 4 are symmetrically distributed about the central axis of the sound-absorbing cover 2. The cross-section of the mounting groove 5 is larger than the cross-section of the mounting block 6. The mounting groove 5 and the mounting block 6 form an engaging structure. The cross-section of the locking ring 3 is larger than the cross-section of the locking base 4. The locking ring 3 and the locking base 4 form an engaging structure. The symmetrically distributed locking rings 3 and locking bases 4 and the engaging structure make the assembly of the sound-absorbing cover 2 more stable. The cross-section of the mounting groove 5 is larger than the cross-section of the mounting block 6. The mounting groove 5 and the mounting block 6 form an engaging structure.

[0024] Specifically, such as Figure 1 and Figure 3As shown, when assembling the sound-absorbing cover 2 to achieve the required height for use, take the first set of sound-absorbing covers 2 and align the mounting block 6 at its bottom with the mounting groove 5 at the top of the second set of sound-absorbing covers 2 and snap them together. Then, flip the locking rings 3 on both sides of the first set of sound-absorbing covers 2 and snap them together with the locking bases 4 on both sides of the second set of sound-absorbing covers 2. In this way, the first set of sound-absorbing covers 2 and the second set of sound-absorbing covers 2 can be spliced ​​together. Multiple sound-absorbing covers 2 can be assembled together to achieve the required length of use in the same way.

[0025] The sound-absorbing cover 2 has fixed bases 11 on both sides of the front and rear ends, and fixed bolts 12 are installed inside the fixed bases 11. The front and rear ends of the right side of the sound-absorbing cover 2 are provided with splicing grooves 10, and the front and rear ends of the left side of the sound-absorbing cover 2 are provided with splicing blocks 9. The cross-section of the splicing block 9 is larger than the cross-section of the splicing groove 10. The splicing block 9 and the splicing groove 10 form a locking structure. Several fixed bolts 12 are provided. The several fixed bolts 12 are symmetrically distributed about the central axis of the sound-absorbing cover 2, so that the two components of the sound-absorbing cover 2 can be stably assembled into a whole sound-absorbing cover 2. The cross-section of the sound-absorbing cover 2 is larger than the cross-section of the outlet pipe 1. The sound-absorbing cover 2 and the outlet pipe 1 form a locking structure, so that the sound-absorbing cover 2 can be stably installed on the outer wall of the outlet pipe 1.

[0026] Specifically, such as Figure 2 As shown, take the two components of the sound-absorbing cover 2, and attach the two components of the sound-absorbing cover 2 to both sides of the outlet pipe 1 respectively, so that the splicing groove 10 is engaged with the corresponding splicing block 9, so that the sound-absorbing cover 2 forms a complete whole. Then take the fixing bolt 12 and screw it into the two sets of fixing seats 11 for fixing, so that the sound-absorbing cover 2 is installed on the outer side wall of the outlet pipe 1 for use.

[0027] A heat insulation cotton 7 is provided on one side inside the connecting block 13;

[0028] Specifically, such as Figure 1 and Figure 3 As shown, the heat insulation cotton 7 is installed inside the inner cavity 15 of the sound-absorbing cover 2 to provide heat insulation protection for the heat insulation cotton 7. When the smoke is transported through the exhaust fan inside the outlet pipe 1, the heat in the smoke can be isolated to prevent the heat from spreading outward.

[0029] Working principle: In use, multiple sound-absorbing covers 2 are taken, and the two components of each sound-absorbing cover 2 are respectively snapped onto both sides of the outlet pipe 1, so that the splicing groove 10 is snapped into the corresponding splicing block 9, making the sound-absorbing cover 2 a complete whole. Then, the fixing bolts 12 are taken and screwed into the two sets of fixing seats 11 for fixation, so that the sound-absorbing cover 2 is installed on the outer wall of the outlet pipe 1. After the first set of sound-absorbing covers 2 is installed on the outer wall of the outlet pipe 1, the two parts of the second set of sound-absorbing covers 2 are taken, and the mounting blocks 6 at the bottom of each part are aligned with the first set. The mounting slots 5 at the top of the sound-absorbing cover 2 are engaged. Then, the locking rings 3 on both sides of the second set of sound-absorbing covers 2 are flipped and engaged with the locking bases 4 on both sides of the first set of sound-absorbing covers 2, so that the first set of sound-absorbing covers 2 and the second set of sound-absorbing covers 2 can be spliced ​​together. Then, the fixing bolts 12 are screwed into the two sets of fixing seats 11, so that the second set of sound-absorbing covers 2 is installed on the outer wall of the outlet pipe 1, protecting the outer wall of the outlet pipe 1, absorbing the noise generated when the smoke is transmitted by the smoke exhaust fan inside the outlet pipe 1, and also insulating the heat in the smoke.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A smart fire-fighting smoke exhaust fan outlet silencing mechanism, comprising an outlet pipe (1), characterized in that: The outer wall of the outlet pipe (1) is equipped with a sound-absorbing cover (2). The inside of the sound-absorbing cover (2) is provided with a connecting block (13). One side of the inside of the connecting block (13) is provided with heat insulation cotton (7). The inside of the connecting block (13) is provided with an inner cavity (15). One side of the inner cavity (15) is provided with heat insulation cotton (7). The other side of the inner cavity (15) is provided with sound-absorbing cotton (8). The top of the sound-absorbing cover (2) is provided with an installation groove (5). The bottom of the sound-absorbing cover (2) is fixed with an installation block (6). The top of both sides of the sound-absorbing cover (2) is fixed with a locking base (4). The bottom of both sides of the sound-absorbing cover (2) is fixed with a connecting block (13). The outer wall of the connecting block (13) is movably provided with a locking ring (3) through a rotating shaft (14).

2. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 1, characterized in that: The locking ring (3) and the locking base (4) are each provided in four sets, and the locking ring (3) and the locking base (4) are symmetrically distributed about the central axis of the sound-absorbing cover (2).

3. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 1, characterized in that: The cross-section of the mounting groove (5) is larger than the cross-section of the mounting block (6), and the mounting groove (5) and the mounting block (6) form an engaging structure.

4. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 1, characterized in that: The cross-section of the locking ring (3) is larger than the cross-section of the locking base (4), and the locking ring (3) and the locking base (4) form an engaging structure.

5. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 1, characterized in that: The cross-section of the sound-absorbing cover (2) is larger than the cross-section of the outlet pipe (1), and the sound-absorbing cover (2) and the outlet pipe (1) form a locking structure.

6. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 1, characterized in that: The sound-absorbing cover (2) has a fixing seat (11) on both sides of the front and rear ends, and a fixing bolt (12) is installed inside the fixing seat (11). The front and rear ends of the right side of the sound-absorbing cover (2) are provided with splicing grooves (10), and the front and rear ends of the left side of the sound-absorbing cover (2) are provided with splicing blocks (9).

7. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 6, characterized in that: The cross-section of the splicing block (9) is larger than the cross-section of the splicing groove (10), and the splicing block (9) and the splicing groove (10) form an interlocking structure.

8. The intelligent fire-fighting smoke exhaust fan outlet silencing mechanism according to claim 6, characterized in that: The fixing bolts (12) are provided in a plurality of manner, and the plurality of fixing bolts (12) are symmetrically distributed about the central axis of the sound-absorbing cover (2).

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