CN218543469U

CN218543469U - Noise reduction air pipe for laboratory

Info

Publication number: CN218543469U
Application number: CN202222235812.7U
Authority: CN
Inventors: 余朝; 何全章
Original assignee: Shenzhen Future Environmental Construction Engineering Co ltd
Current assignee: Shenzhen Future Environmental Construction Engineering Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-02-28
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a laboratory noise reduction tuber pipe, which comprises a fixed disk, a pair of through-hole has been seted up on the fixed disk, the bolt has been passed in the through-hole, the fixed pipe of fixedly connected with on the lateral wall of fixed disk, just the ventilation hole has been seted up on the fixed disk, the cover is equipped with the ventilation pipe on the fixed pipe, the internal thread has been seted up on the inner wall of ventilation pipe, set up on the outer wall of fixed pipe with internal thread assorted external screw thread, a pair of ring of fixedly connected with on the outer wall of ventilation pipe, it is a pair of fixedly connected with vacuum tube between the ring, be provided with on the inner wall of ventilation pipe and inhale the sound sponge layer, inhale first reflecting plate of fixedly connected with a plurality of and second reflecting plate on the inner wall of sound sponge layer, the utility model has the characteristics of noise reduction is effectual, and convenient to ventilation pipe dismantlement, in addition adsorbable peculiar smell and filter dust.

Description

Noise reduction air pipe for laboratory

Technical Field

The utility model relates to a ventilation pipe technical field specifically is laboratory noise reduction tuber pipe.

Background

Ventilating duct is in order to make the circulation of air, reduces a municipal infrastructure of harmful gas concentration, and ventilating duct divides generally to have steel sheet tuber pipe, galvanized sheet tuber pipe, stainless steel ventilation pipe, glass steel ventilation pipe, plastics ventilation pipe, combined material ventilation pipe, various steel sandwich insulation board ventilation pipe, two-sided aluminium foil heat preservation ventilation pipe, the various steel heat preservation tuber pipe of single face, rubberized fabric ventilation pipe and mining plastics ventilation pipe etc. according to the material.

Air pipe is metal or composite pipe for ventilation and air conditioning engineering of industry and civil buildings, but current laboratory air pipe does not have noise reduction mechanism to can produce great wind noise when ventilating, influence the experimenter experiment, and the pipeline dismouting of not being convenient for, influence pipeline later maintenance, consequently, propose laboratory noise reduction tuber pipe and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's defect, provide laboratory noise reduction tuber pipe.

In order to achieve the above object, the utility model provides a following technical scheme: laboratory noise reduction tuber pipe, including the fixed disk, a pair of through-hole has been seted up on the fixed disk, it has the bolt to pass in the through-hole, the fixed pipe of fixedly connected with on the lateral wall of fixed disk, just the ventilation hole has been seted up on the fixed disk, the cover is equipped with the ventilation pipe on the fixed pipe, the internal thread has been seted up on the inner wall of ventilation pipe, set up on the outer wall of fixed pipe with internal thread assorted external screw thread, a pair of ring of fixedly connected with on the outer wall of ventilation pipe, it is a pair of fixedly connected with vacuum tube between the ring, be provided with on the inner wall of ventilation pipe and inhale the sound sponge layer, first reflecting plate of fixedly connected with a plurality of and second reflecting plate on the inner wall of sound sponge layer inhale.

Preferably, a pair of the bolts is symmetrically arranged about a central axis of the fixed disk.

Preferably, a plurality of first reflection plates and second reflection plates are arranged in a staggered manner.

The top of ventilation pipe is equipped with the movable block, one side fixedly connected with locating lever that the movable block is close to the ventilation pipe, the other end of locating lever runs through the lateral wall of ventilation pipe, set up on the lateral wall of fixed pipe with locating lever assorted constant head tank.

Preferably, the inner wall of the ventilation pipe is fixedly connected with an active carbon filter screen.

Preferably, a connecting ring is arranged in the ventilating pipe, an external thread is arranged on the outer wall of the connecting ring, an internal thread matched with the external thread is arranged on the inner wall of the ventilating pipe, a dust screen is fixedly connected to the inner wall of the connecting ring, and a pair of cross rods is fixedly connected to the side wall of the connecting ring.

Preferably, a pair of anti-slip pads is arranged on the outer wall of the vacuum tube.

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

1. the sound waves are subjected to multiple continuous reflection dissipation through the first reflecting plate and the second reflecting plate, the sound is effectively prevented from being transmitted outwards, wind noise is absorbed through the sound absorption sponge layer, and the outward transmission of the wind noise is further reduced by means of the vacuum between the vacuum tube and the circular ring;

2. the ventilation pipe can be conveniently taken down through the fixed pipe, the ventilation pipe, the movable block, the positioning rod and the positioning groove, so that the convenience of maintenance of the ventilation pipe is improved;

3. absorbing peculiar smell through an active carbon filter screen to prevent the peculiar smell in the outdoor environment from being transmitted to a laboratory;

4. through the dust in the dust screen filtration air, and through the setting between go-between and the ventilation pipe, can be convenient for empty the dust in the ventilation pipe.

Drawings

FIG. 1 is a partial perspective view of the present invention;

FIG. 2 is a general schematic view of the present invention;

FIG. 3 is a right side view of the vent tube and connecting ring;

FIG. 4 is an enlarged view taken at A in FIG. 2;

figure 5 is a right side view of the vent tube and ring.

Reference numbers in the figures: 1. fixing the disc; 2. a bolt; 3. a fixed tube; 4. a vent hole; 5. a ventilation pipe; 6. a circular ring; 7. a vacuum tube; 8. a sound absorbing sponge layer; 9. a first reflection plate; 10. a second reflection plate; 11. a movable block; 12. positioning a rod; 13. positioning a groove; 14. an active carbon filter screen; 15. a connecting ring; 16. a dust screen; 17. a cross bar; 18. a non-slip mat.

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. 1-5, the present invention provides a technical solution: a noise reduction air duct for a laboratory comprises a fixed disc 1, wherein a pair of through holes are formed in the fixed disc 1, bolts 2 penetrate through the through holes, the pair of bolts 2 are symmetrically arranged about the central axis of the fixed disc 1, the stress is uniform, the stability of installation of the fixed disc 1 is improved, a fixed pipe 3 is fixedly connected to the side wall of the fixed disc 1, a vent hole 4 is formed in the fixed disc 1, a vent pipe 5 is sleeved on the fixed pipe 3, a connecting ring 15 is arranged in the vent pipe 5, an external thread is formed in the outer wall of the connecting ring 15, an internal thread matched with the external thread is formed in the inner wall of the vent pipe 5, a dust screen 16 is fixedly connected to the inner wall of the connecting ring 15, a pair of cross rods 17 is fixedly connected to the side wall of the connecting ring 15, dust in air is filtered, a movable block 11 is arranged above the vent pipe 5, and a positioning rod 12 is fixedly connected to one side, close to the movable block 11, which is close to the vent pipe 5, the other end of the positioning rod 12 penetrates through the side wall of the ventilation pipe 5, a positioning groove 13 matched with the positioning rod 12 is formed in the side wall of the fixed pipe 3, the stability of threaded connection between the fixed pipe 3 and the ventilation pipe 5 is improved, an internal thread is formed in the inner wall of the ventilation pipe 5, an activated carbon filter screen 14 is fixedly connected to the inner wall of the ventilation pipe 5 and can absorb and remove peculiar smell, an external thread matched with the internal thread is formed in the outer wall of the fixed pipe 3, a pair of circular rings 6 is fixedly connected to the outer wall of the ventilation pipe 5, a vacuum pipe 7 is fixedly connected between the circular rings 6, a pair of anti-slip pads 18 is arranged on the outer wall of the vacuum pipe 7, the ventilation pipe 5 is convenient to rotate, a sound-absorbing sponge layer 8 is arranged on the inner wall of the ventilation pipe 5, a plurality of first reflection plates 9 and second reflection plates 10 are fixedly connected to the inner wall of the sound-absorbing sponge layer 8, and the plurality of first reflection plates 9 and second reflection plates 10 are arranged in a staggered mode, facilitating multiple continuous reflection dissipations.

The working principle is as follows: the utility model discloses during the use, install fixed disk 1 and fixed pipe 3 on the wall body of seting up the fresh air inlet through bolt 2, pass ventilation hole 4 when wind, when fixed pipe 3 and ventilation pipe 5, carry out multiple continuous reflection dissipation to the sound wave through first reflecting plate 9 and second reflecting plate 10, effectively prevent sound to propagate to the outside, and absorb wind through inhaling sound sponge layer 8 and make an uproar, and with the help of the vacuum cavity between vacuum tube 7 and the ring 6, further prevent wind and make an uproar to propagate to the outside, when having the peculiar smell in external environment, accessible active carbon filter screen 14 absorbs the peculiar smell, avoid the peculiar smell to pass to the laboratory in, influence the laboratory experiment, when the laboratory air passes through ventilation hole 4 and gets into fixed pipe 3 and ventilation pipe 5 and get into the laboratory, can prevent the entering of dust through dust screen 16, thereby improve the cleanliness factor of laboratory, when needing to clear up or maintaining ventilation pipe 5, can pull movable block 11, movable block 11 drives locating lever 12 and keeps away from constant head tank 13, then, non slip mat 18, ventilation pipe 5 rotates, then get down horizontal pole 17 rotates, this moment, the go-between 15, dust screen 16 can be stood, then, dust pouring out hand tilting.

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. Laboratory noise reduction tuber pipe, including fixed disk (1), its characterized in that: a pair of through-holes have been seted up on fixed disk (1), bolt (2) have been passed in the through-hole, fixed pipe of fixedly connected with (3) on the lateral wall of fixed disk (1), just ventilation hole (4) have been seted up on fixed disk (1), the cover is equipped with ventilation pipe (5) on fixed pipe (3), the internal thread has been seted up on the inner wall of ventilation pipe (5), set up on the outer wall of fixed pipe (3) with internal thread assorted external screw thread, a pair of ring of fixedly connected with (6), a pair of fixedly connected with vacuum tube (7) between ring (6), be provided with on the inner wall of ventilation pipe (5) and inhale sound sponge layer (8), inhale first reflecting plate of a plurality of (9) and second reflecting plate (10) on the inner wall of sound sponge layer (8).

2. The laboratory noise reduction plenum of claim 1, wherein: the pair of bolts (2) are symmetrically arranged about the central axis of the fixed disc (1).

3. The laboratory noise reduction plenum of claim 1, wherein: the first reflecting plates (9) and the second reflecting plates (10) are arranged in a staggered manner.

4. The laboratory noise reduction plenum of claim 1, wherein: the movable positioning device is characterized in that a movable block (11) is arranged above the ventilation pipe (5), one side, close to the ventilation pipe (5), of the movable block (11) is fixedly connected with a positioning rod (12), the other end of the positioning rod (12) penetrates through the side wall of the ventilation pipe (5), and a positioning groove (13) matched with the positioning rod (12) is formed in the side wall of the fixed pipe (3).

5. The laboratory noise reduction plenum of claim 1, wherein: and an active carbon filter screen (14) is fixedly connected to the inner wall of the ventilation pipe (5).

6. The laboratory noise reduction plenum of claim 1, wherein: the ventilating pipe is characterized in that a connecting ring (15) is arranged in the ventilating pipe (5), an external thread is arranged on the outer wall of the connecting ring (15), an internal thread matched with the external thread is arranged on the inner wall of the ventilating pipe (5), a dust screen (16) is fixedly connected to the inner wall of the connecting ring (15), and a pair of cross rods (17) is fixedly connected to the side wall of the connecting ring (15).

7. The laboratory noise reduction plenum of claim 1, wherein: the outer wall of the vacuum tube (7) is provided with a pair of anti-skid pads (18).