CN216590545U

CN216590545U - Silencing sealing connection device for heating and ventilating fan

Info

Publication number: CN216590545U
Application number: CN202123025472.7U
Authority: CN
Inventors: 汤阳勇; 聂飞
Original assignee: Wuhan Warm Gui Comfortable Home Technology Co ltd
Current assignee: Wuhan Warm Gui Comfortable Home Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-24
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a silencing sealing connecting device for a heating ventilation fan, which comprises a silencing pipeline, wherein a threaded connecting piece is arranged at the left end of the silencing pipeline, a mounting flange is fixed at the right end of the silencing pipeline, the silencing pipeline comprises a pipeline piece, a silencing inner cavity, an internal thread piece, a silencing piece and folded silencing holes, the middle part in the pipeline piece is provided with the silencing inner cavity, the left end of the silencing inner cavity is provided with the internal thread piece, the middle part in the silencing inner cavity is fixedly provided with a plurality of silencing pieces, and the silencing piece is annularly provided with the folded silencing holes. When the silencer is used, the threaded connecting piece is hermetically connected with the silencing pipeline through the threaded ring corresponding to the internal threaded piece, after air is fed into the silencing pipeline through the through hole, the silencing pieces are communicated for use so as to reduce the flow, and the zigzag silencing holes perform sound wave multi-angle transmission and silencing on noise generated by blast air, so that the use safety is improved.

Description

Silencing sealing connection device for heating and ventilating fan

Technical Field

The utility model relates to the heating ventilation field, in particular to a silencing sealing connection device for a heating ventilation fan.

Background

Heating and ventilation is a name for a category of workers in building design. The heating and ventilation device comprises: heating, ventilation and air conditioning, which are called heating ventilation air conditioning for short. Heating, also known as heating, supplies heat energy to buildings as required to ensure that the indoor temperature is continuously higher than the external environment according to the requirements of people. A heat sink or the like is generally used. Ventilating: a process of feeding air into the room or exhausting air from the room. Air in a building (referred to as indoor air) is replaced by outdoor air (referred to as fresh air or fresh air), and natural ventilation and mechanical ventilation are generally adopted. Air conditioning, referred to as air conditioning, is a building environmental control system that regulates the temperature, humidity, cleanliness, and airspeed of a room or space and provides a sufficient amount of fresh air.

Chinese patent discloses a warm logical pipeline (No. CN 206563343U), and this patent technique can constitute the separation water droplet to a certain extent through the seal ring that sets up at the throat portion and oozes, and holistic water-proof effects is good, but, because warm logical pipeline's fan need be aired exhaust, makes the speed of air outlet exhaust wind very fast, produces vibration and produces great noise with external air easily, influences user's living environment and healthy. Accordingly, a noise-reduction sealing connection device for a heating and ventilating fan is provided by those skilled in the art to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a silencing sealing connecting device for a heating ventilation fan, which comprises a silencing pipeline, wherein the silencing pipeline comprises a pipeline piece, a silencing inner cavity, an internal thread piece, a silencing piece and a folded silencing hole, the middle part in the pipeline piece is provided with the silencing inner cavity, the left end of the silencing inner cavity is provided with the internal thread piece, the middle part in the silencing inner cavity is fixedly provided with a plurality of silencing pieces, and the silencing piece is annularly provided with a plurality of folded silencing holes.

Preferably: the left end of the silencing pipeline is provided with a threaded connecting piece, and the right end of the silencing pipeline is fixedly provided with an installation flange.

Preferably: the threaded connecting piece comprises a through ring piece, a threaded structure, a threaded ring and a through hole, the threaded structure is fixedly installed at the left end of the through ring piece, the threaded ring is fixedly installed at the right end of the through ring piece, the threaded ring is arranged corresponding to the internal threaded piece, and the through ring piece, the threaded structure and the threaded ring are connected with each other and the through hole is formed in the middle of the through ring piece.

Preferably: the flange comprises a flange part and fastening bolts, and a plurality of fastening bolts are annularly arranged on the flange part close to the edge.

Preferably: the threaded connecting piece comprises a through ring piece, a threaded structure, a threaded ring, an arc inner face and a circular platform through hole, the threaded structure is fixedly installed at the left end of the through ring piece, the threaded ring is fixedly installed at the right end of the through ring piece, the arc inner face is arranged in the middle of the threaded structure, the circular platform through hole is formed in the middle of the through ring piece and the threaded structure, and the circular platform through hole is communicated with the arc inner face.

Preferably: be equipped with between the amortization piece and inhale the sound sponge, set up a plurality of amortization through-hole on inhaling the sound sponge.

The utility model has the technical effects and advantages that:

1. when the silencer is used, the threaded connecting piece is hermetically connected with the silencing pipeline through the threaded ring corresponding to the internal threaded piece, after air is fed into the silencing pipeline through the through hole, the silencing pieces are communicated for use so as to reduce the flow, and the zigzag silencing holes perform sound wave multi-angle transmission and silencing on noise generated by blast air, so that the use safety is improved.

2. When the silencer is used, the circular truncated cone through holes are used for slowing down airflow, the pressure at the connecting part is reduced, and then the sound absorption sponge is used for further silencing treatment, so that the silencing effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of a noise reduction sealing connection device for a heating and ventilating fan according to embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a threaded connection piece in a noise-reduction sealing connection device for a heating and ventilating fan provided in embodiment 1 of the present application;

fig. 3 is a schematic structural diagram of a flange in a noise reduction sealing connection device for a heating and ventilating fan according to embodiment 1 of the present application;

fig. 4 is a schematic structural diagram of a noise reduction sealing connection device for a heating and ventilating fan according to embodiment 2 of the present application;

fig. 5 is a schematic structural diagram of a circular platform through hole in a silencing sealing connection device for a heating and ventilating fan according to embodiment 2 of the present application;

fig. 6 is a schematic structural diagram of a sound-absorbing sponge in a noise-reduction sealing connection device for a heating and ventilating fan according to embodiment 2 of the present application;

in the figure: 1. a sound-deadening duct; 2. a threaded connection; 3. a flange;

11. a pipe member; 12. a silencing inner cavity; 13. an internal threaded member; 14. a noise reducing member; 15. a folded silencing hole; 16. sound-absorbing sponge; 17. a sound deadening through hole;

21. a through ring piece; 22. a thread structure; 23. a threaded ring; 24. a through hole; 25. an arcuate inner surface; 26. a circular truncated cone through hole;

31. a flange member; 32. and (6) fastening the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 3, in the present embodiment, a noise reduction sealing connection device for a heating and ventilating fan is provided, including a noise reduction pipe 1, a threaded connection member 2 is disposed at a left end of the noise reduction pipe 1, and an installation flange 3 is fixed at a right end of the noise reduction pipe 1;

the silencing pipeline 1 comprises a pipeline piece 11, a silencing inner cavity 12, an internal thread piece 13, silencing pieces 14 and folded silencing holes 15, wherein the silencing inner cavity 12 is formed in the middle of the inside of the pipeline piece 11, the internal thread piece 13 is arranged at the left end of the silencing inner cavity 12, the silencing pieces 14 are fixedly installed in the middle of the inside of the silencing inner cavity 12, and the folded silencing holes 15 are formed in the silencing pieces 14 in a ring shape;

the threaded connecting piece 2 comprises a through ring piece 21, a threaded structure 22, a threaded ring 23 and a through hole 24, the threaded structure 22 is fixedly installed at the left end of the through ring piece 21, the threaded ring 23 is fixedly installed at the right end of the through ring piece 21, the threaded ring 23 is arranged corresponding to the internal threaded piece 13, and the through ring piece 21, the threaded structure 22 and the threaded ring 23 are connected with each other and the through hole 24 is formed in the middle of the through ring piece 21;

the flange 3 comprises a flange part 31 and fastening bolts 32, wherein the flange part 31 is annularly provided with a plurality of fastening bolts 32 near the edge.

Example 2

Referring to fig. 4 to 6, in the present embodiment, the threaded connecting member 2 includes a through-ring member 21, a threaded structure 22, a threaded ring 23, an arc-shaped inner surface 25 and a circular truncated cone through hole 26, the threaded structure 22 is fixedly mounted at the left end of the through-ring member 21, the threaded ring 23 is fixedly mounted at the right end of the through-ring member 21, the arc-shaped inner surface 25 is formed in the middle of the threaded structure 22, the circular truncated cone through hole 26 is formed in the middle of the through-ring member 21 and the threaded structure 22, and the circular truncated cone through hole 26 is communicated with the arc-shaped inner surface 25;

and sound-absorbing sponges 16 are arranged between the sound-absorbing pieces 14, and a plurality of sound-absorbing through holes 17 are formed in the sound-absorbing sponges 16.

The working principle of the utility model is as follows:

when the silencer is used, the threaded connecting piece 2 is hermetically connected with the silencing pipeline 1 through the threaded ring 23 corresponding to the internal threaded piece 13, after air is fed into the silencing pipeline 1 through the through hole 24, the silencing pieces 14 are connected in series for use so as to reduce the flow, and at the moment, the folded silencing holes 15 carry out sound wave multi-angle transmission and silencing on noise generated by blast air, so that the use safety is improved;

secondly, utilize round platform through-hole 26 to slow down the air current, reduce the pressure of junction, the sound sponge 16 is inhaled to the rethread further amortization to increase noise cancelling effect.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a amortization sealing connection device for warm ventilation machine, includes amortization pipeline (1), its characterized in that, amortization pipeline (1) is including pipeline spare (11), amortization inner chamber (12), internal screw thread spare (13), amortization spare (14) and book shape bloop (15), and amortization inner chamber (12) are seted up to middle part in pipeline spare (11), and amortization inner chamber (12) left end sets up internal screw thread spare (13), and middle part fixed mounting a plurality of amortization spare (14) in amortization inner chamber (12), and a plurality of book shape bloop (15) are seted up to annular on amortization spare (14).

2. The silencing sealing and connecting device for the heating and ventilating fan as claimed in claim 1, wherein the left end of the silencing pipe (1) is provided with a threaded connector (2), and the right end of the silencing pipe (1) is fixedly provided with a mounting flange (3).

3. The noise reduction sealing connection device for the heating and ventilating fan as claimed in claim 2, wherein the threaded connection piece (2) comprises a through ring piece (21), a threaded structure (22), a threaded ring (23) and a through hole (24), the threaded structure (22) is fixedly mounted at the left end of the through ring piece (21), the threaded ring (23) is fixedly mounted at the right end of the through ring piece (21), the threaded ring (23) and the internal threaded piece (13) are arranged correspondingly, and the through ring piece (21), the threaded structure (22) and the threaded ring (23) are connected with each other and the through hole (24) is formed in the middle.

4. A silencing sealing connection device for heating and ventilating fan according to claim 2, characterized in that said flange (3) comprises a flange member (31) and fastening bolts (32), and several fastening bolts (32) are annularly arranged on the flange member (31) near the edge.

5. The noise reduction sealing connection device for the heating and ventilating fan is characterized in that the threaded connection piece (2) comprises a through ring piece (21), a threaded structure (22), a threaded ring (23), an arc-shaped inner surface (25) and a circular truncated cone through hole (26), the threaded structure (22) is fixedly installed at the left end of the through ring piece (21), the threaded ring (23) is fixedly installed at the right end of the through ring piece (21), the arc-shaped inner surface (25) is formed in the middle of the inside of the threaded structure (22), the circular truncated cone through hole (26) is formed in the middle of the through ring piece (21) and the threaded structure (22), and the circular truncated cone through hole (26) is communicated with the arc-shaped inner surface (25).

6. The noise reduction sealing connection device for the heating and ventilating fan as claimed in claim 1, wherein a sound absorption sponge (16) is arranged between the noise reduction pieces (14), and a plurality of noise reduction through holes (17) are formed in the sound absorption sponge (16).