CN215490142U

CN215490142U - Noise elimination device for heating ventilation system and air conditioning ventilation system

Info

Publication number: CN215490142U
Application number: CN202121886232.3U
Authority: CN
Inventors: 刘远成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a noise eliminator for a heating ventilation air conditioning ventilation system, which comprises a ventilation pipe, wherein the right end of the ventilation pipe is provided with a mounting groove, an air inlet pipe is arranged in the mounting groove in a threaded manner, the right end of the air inlet pipe is provided with a limiting groove, the right end of the air inlet pipe is provided with two clamping grooves, the two clamping grooves are internally provided with hooks, the left ends of the two hooks are welded with filter screen frames, filter screens are riveted in the middle of the filter screen frames, damping soundproof felt is pasted in the ventilation pipe, a silencing cotton pipe is sleeved outside the ventilation pipe, the traditional silencing rod is replaced by pasting the damping soundproof felt in the ventilation pipe, the inner wall of the ventilation pipe is prevented from generating larger noise due to airflow friction, the noise elimination effect is good, the airflow circulation is not influenced, an outer pipe is arranged outside the ventilation pipe, a layer of silencing cotton pipe is filled between the outer pipe and the ventilation pipe, and the silencing and noise reduction effects are further improved.

Description

Noise elimination device for heating ventilation system and air conditioning ventilation system

Technical Field

The utility model belongs to the technical field of air conditioners, and particularly relates to a silencing device for a heating ventilation air conditioning ventilation system.

Background

The heating ventilation system of the heating ventilation air conditioner is an important component of the heating ventilation air conditioner, and the heating ventilation air conditioner is equipment responsible for heating, ventilation and air conditioning indoors or in a vehicle, controls the indoor temperature, improves the indoor comfort level, is an important part in medium and large industrial buildings or office buildings, and plays an important role in the fields or industries such as pharmacy, electronics, oil gas and the like.

At present, the noise cancelling structure among traditional warm air conditioner that leads to is mostly set up a plurality of amortization stick in air pipe, but sets up a plurality of amortization stick not good operations inside the pipeline, sets up inconveniently, and the amortization stick can shelter from the absorption noise moreover, also can shelter from partial air current circulation, influences ventilation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a silencing device for a heating ventilation and air conditioning ventilation system, which aims to solve the problems that the silencing device in the prior art is inconvenient to arrange and influences the ventilation efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a noise eliminator for warm logical air conditioner ventilation system, includes the ventilation pipe, the mounting groove has been seted up to the ventilation pipe right-hand member, the air-supply line is installed to the mounting groove internal thread, the spacing groove has been seted up to the air-supply line right-hand member, two all be provided with the couple in the draw-in groove the left end welding of couple has same screen frame, the riveting has the filter screen in the middle of the screen frame, the ventilation pipe is inside to be pasted there is the damping deadening felt, the outside cover of ventilation pipe is equipped with the cotton pipe of amortization, the outer tube is installed to the outside screw thread of ventilation pipe, the outer tube is located the outside of the cotton pipe of amortization, the left end screw thread of ventilation pipe is installed out the tuber pipe.

Preferably, the air inlet pipe right-hand member screw thread installs the spacing ring, the spacing ring is located the spacing inslot, the inside of spacing ring has two lugs about the central axis symmetry casting of spacing ring.

Preferably, the right end of the hook is bent into a right-angle hook, and the right-angle hook is arranged in the clamping groove.

Preferably, the inside first internal thread that is equipped with of right-hand member of air-out pipe, the left end outside of ventilation pipe is equipped with first external screw thread, the right-hand member of air-out pipe and the left end threaded connection of ventilation pipe.

Preferably, a convex shoulder is cast at the right end of the ventilation pipe, a second external thread is arranged on the convex shoulder, a second internal thread is arranged inside the right end of the outer pipe, and the right end of the outer pipe is in threaded connection with the convex shoulder.

Compared with the prior art, the utility model has the beneficial effects that: through pasting the damping deadening felt inside the ventilation pipe to this replaces traditional amortization stick, prevents that air current friction ventilation pipe inner wall from producing great noise, and the noise elimination effect is good and do not influence the air current circulation, sets up an outer tube simultaneously in the ventilation pipe outside, and fills the cotton pipe of one deck amortization between outer tube and ventilation pipe, has further promoted the effect of amortization noise reduction.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of an air inlet duct according to the present invention;

fig. 4 is a schematic structural view of the stop collar of the present invention.

In the figure: 1. the sound insulation structure comprises a ventilation pipe, 2 parts of a mounting groove, 3 parts of an air inlet pipe, 4 parts of a limiting groove, 5 parts of a clamping groove, 6 parts of a hook, 7 parts of a filter screen frame, 8 parts of a filter screen, 9 parts of damping sound insulation felt, 10 parts of a sound insulation cotton pipe, 11 parts of an outer pipe, 12 parts of an air outlet pipe, 13 parts of a limiting ring, 14 parts of a bump and 15 parts of a convex shoulder.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2 and 3, an embodiment of the utility model provides a muffler device for a heating ventilation air conditioning ventilation system, which comprises a ventilation pipe 1, wherein a mounting groove 2 is formed in the right end of the ventilation pipe 1, an air inlet pipe 3 is mounted in the mounting groove 2 through threads, a limiting groove 4 is formed in the right end of the air inlet pipe 3, two clamping grooves 5 are formed in the right end of the air inlet pipe 3, hooks 6 are arranged in the two clamping grooves 5, the left ends of the two hooks 6 are welded with a same filter screen frame 7, a filter screen 8 is riveted in the middle of the filter screen frame 7, a damping sound-insulation felt 9 is pasted in the ventilation pipe 1, a silencing cotton pipe 10 is sleeved outside the ventilation pipe 1, an outer pipe 11 is mounted on the outer side of the ventilation pipe 1 through threads, the outer pipe 11 is located outside the silencing cotton pipe 10, and an air outlet pipe 12 is mounted on the left end of the ventilation pipe 1 through threads.

Referring to fig. 2, 3 and 4, a limiting ring 13 is installed at the right end of the air inlet pipe 3 in a threaded manner, the limiting ring 13 is located in the limiting groove 4 and used for limiting the hook 6, and two convex blocks 14 are symmetrically cast inside the limiting ring 13 about the central axis of the limiting ring 13, so that the limiting ring 13 can be conveniently installed and detached by hand. Right-angle hook is buckled into to the right-hand member of couple 6, and right-angle hook sets up in draw-in groove 5 for it is spacing to couple 6. The inside first internal thread that is equipped with of right-hand member of play tuber pipe 12, the left end outside of ventilation pipe 1 is equipped with first external screw thread, and the right-hand member of play tuber pipe 12 and the left end threaded connection of ventilation pipe 1 facilitate the installation and dismantle tuber pipe 12. A convex shoulder 15 is cast at the right end of the ventilation pipe 1, a second external thread is arranged on the convex shoulder 15, a second internal thread is arranged inside the right end of the outer pipe 11, and the right end of the outer pipe 11 is in threaded connection with the convex shoulder 15, so that the outer pipe 11 is convenient to mount and dismount.

The working principle of the embodiment is as follows: when in use, the damping soundproof felt 9 is firstly pasted at the left end of the inner wall of the ventilation pipe 1, then the air inlet pipe 3 is arranged in the mounting groove 2, then the filter screen 8 is arranged in the air inlet pipe 3 from the right end of the air inlet pipe 3, the right-angle hooks of the two hooks 6 are clamped in the clamping grooves 5, then the spacing ring 13 is arranged in the spacing groove 4 to support the right end of the hook 6, then the silencing cotton pipe 10 is sleeved on the ventilation pipe 1, then the outer pipe 11 is fixedly arranged on the convex shoulder 15 of the ventilation pipe 1 through the second internal thread and the second external thread, then the air outlet pipe 12 is arranged at the left end of the ventilation pipe 1, when in ventilation, air flow is introduced from the right end of the air inlet pipe 3, impurities in air are blocked by the filter screen 8, the air flow passes through the ventilation pipe 1 to be in contact friction with the damping soundproof felt 9 to generate a small amount of noise, and the small amount of noise is absorbed by the damping soundproof felt 9 and the silencing cotton pipe 10 to realize noise elimination, the air flow then exits through the outlet duct 12.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a noise eliminator for heating ventilating and air conditioning ventilation system which characterized in that: comprises a ventilation pipe (1), the right end of the ventilation pipe (1) is provided with an installation groove (2), an air inlet pipe (3) is arranged in the mounting groove (2) in a threaded manner, a limiting groove (4) is arranged at the right end of the air inlet pipe (3), two clamping grooves (5) are formed in the right end of the air inlet pipe (3), hooks (6) are arranged in the two clamping grooves (5), the same filter screen frame (7) is welded at the left end of the two hooks (6), a filter screen (8) is riveted in the middle of the filter screen frame (7), a damping sound-proof felt (9) is pasted in the ventilation pipe (1), a silencing cotton pipe (10) is sleeved outside the ventilation pipe (1), an outer pipe (11) is installed on the outer side of the ventilation pipe (1) in a threaded mode, the outer pipe (11) is located the outside of amortization cotton pipe (10), air-out pipe (12) are installed to the left end screw thread of ventilation pipe (1).

2. A silencing device for an hvac ventilation system as set forth in claim 1, wherein: limiting ring (13) is installed to air-supply line (3) right-hand member screw thread, limiting ring (13) are located spacing groove (4), the inside of limiting ring (13) has two lugs (14) about the central axis symmetry casting of limiting ring (13).

3. A silencing device for an hvac ventilation system as set forth in claim 1, wherein: the right end of the hook (6) is bent into a right-angle hook which is arranged in the clamping groove (5).

4. A silencing device for an hvac ventilation system as set forth in claim 1, wherein: the air-out device is characterized in that a first internal thread is arranged inside the right end of the air-out pipe (12), a first external thread is arranged outside the left end of the ventilation pipe (1), and the right end of the air-out pipe (12) is in threaded connection with the left end of the ventilation pipe (1).

5. A silencing device for an hvac ventilation system as set forth in claim 1, wherein: a convex shoulder (15) is cast at the right end of the ventilation pipe (1), second external threads are arranged on the convex shoulder (15), second internal threads are arranged inside the right end of the outer pipe (11), and the right end of the outer pipe (11) is in threaded connection with the convex shoulder (15).