CN222377544U - A short sound-absorbing tube - Google Patents

Abstract

The utility model discloses a short silencer pipe, comprising: a pipe body, the pipe body comprising two connecting parts and two corner parts respectively connected to the two connecting parts, an intermediate part connected between the two corner parts, the pipe body being integrally formed; a plurality of guide members, which are arranged in the pipe body and connected to the inner wall of the pipe body, the guide members are perforated, and a cavity is arranged in the guide members, and a plurality of support members and a silencer are arranged in the cavity. Compared with the prior art, the short silencer pipe is easy to install and has a good silencer effect, and can ensure smooth airflow.

Description

Silencing short pipe

Technical Field

The utility model relates to the field of air supply system accessories, in particular to a silencing short pipe.

Background

In ventilation systems for construction and air conditioning, silencing stubs are commonly used to redirect airflow and reduce airflow noise.

The silencing stubs of the prior art are commonly used in connection with pipes to change the direction of the pipe. When two air pipes need to be connected, two silencing short pipes and one pipeline are needed to connect the two air pipes, and therefore a plurality of inconveniences are brought to the installation of the air pipes.

When two silencing short pipes and one pipeline are used for connecting the air pipes, gaps are easy to generate at the connecting positions, noise is easy to transmit from the gaps, the silencing effect is poor, meanwhile, air flow passing through the silencing short pipes is uneven, and most of the air flow can be distributed on one side with larger inner radius of the silencing short pipes, so that the problem of unsmooth air flow is easy to occur.

Accordingly, based on the above-mentioned problems, there is a need for an improvement of the existing silencing nipple to solve the above-mentioned problems.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides the silencing short pipe which is convenient to install and good in silencing effect and can ensure smooth airflow circulation.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a sound attenuation nipple comprising:

The pipe body comprises two connecting parts and two corner parts which are respectively connected with the two connecting parts, an intermediate part is connected between the two corner parts, and the pipe body is integrally formed;

The guide pieces are arranged in the pipe body and connected with the inner wall of the pipe body, the guide pieces are perforated, cavities are formed in the guide pieces, and a plurality of supporting pieces and a silencing piece are arranged in the cavities.

Preferably, the connecting portion is integrally formed with a mounting portion.

Preferably, the surface of the tube body is provided with a fireproof layer and a protective layer, and the fireproof layer is connected with the protective layer through an adhesive layer.

Preferably, the fireproof layer is fireproof plate or fireproof cotton, the bonding layer is high-temperature glue, and the protective layer is steel plate.

Preferably, the guide piece is arranged at the air inlet of the pipe body and is in a wedge shape.

Preferably, the corner portion is a right-angle corner portion.

Preferably, the inner side of the corner portion is smoothly transited.

Preferably, the silencer is made of a sound absorbing material wrapped with a woven fabric.

Preferably, the pipe body is a galvanized steel sheet.

Preferably, the thickness of the pipe body is 0.6mm-1.5mm.

Compared with the prior art, the utility model has the following beneficial effects:

the silencing short pipe is convenient to install and good in silencing effect, and smooth airflow circulation can be guaranteed.

Drawings

FIG. 1 is a schematic view of the structure of a silencing neck of the present application.

Fig. 2 is a schematic view of the internal structure of a silencing neck according to the present application.

Fig. 3 is a schematic view of the structure of the guide in the silencing neck of the present application.

Detailed Description

The following detailed description of the embodiments of the present utility model is provided with reference to fig. 1-3, so that the technical solution of the present utility model can be more easily understood and mastered.

In this embodiment, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right", "end", "front", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In this embodiment, if not specifically described, the members may be connected or fixed by bolts, pins, or the like, which are commonly used in the prior art, and therefore, the details thereof will not be described in this embodiment.

The application is described in further detail below with reference to fig. 1-3.

As shown in fig. 1, a silencing spool includes:

The pipe body 1 comprises two connecting parts 11 and two corner parts 12 connected with the two connecting parts 11 respectively, a middle part 13 is connected between the two corner parts 12, the pipe body 1 is integrally formed, the pipe body 1 is connected through the integral forming, when the air pipes are connected, the connecting parts 11 and the corner parts 12 and the middle part 13 are respectively connected, so that the air pipes are convenient for a user to install, gaps are avoided between the connecting parts 11 and the corner parts 12 and between the corner parts 12 and the middle part 13, air leakage is reduced, noise is prevented from being transmitted from the gaps, and the silencing effect is ensured.

The connecting portion 11 integrated into one piece has a installation department 3, and this installation department 3 is the flange, through installation department 3 and connecting portion 11 integrated into one piece setting, removes modes such as bolt from and assemble installation department 3 on connecting portion 11, avoids the installation department 3 to have the gap with the position of connecting portion 11 equipment, reduces the air leakage, avoids the noise to spread between installation department 3 and the connecting portion 11, the amortization effect of further improvement.

In the preferred embodiment, the tube body 1 is a galvanized steel sheet, which has good corrosion resistance and coating properties and is easy to form, and the thickness range of the tube body 1 is set to 0.6mm to 1.5mm in consideration of the problems of strength and forming of the subsequent tube body 1, and the thicker the tube body 1 is, the greater the strength is, the less convenient the tube body 1 is to form, so the thickness of the tube body 1 can be selected within the thickness range of 0.6mm to 1.5mm in consideration of the strength and forming problems of the tube body 1. Of course, since the mounting portion 3 and the connecting portion 11 are integrally formed, the thickness of the mounting portion 3 may be equal to the thickness of the tube body 1, that is, 0.6mm to 1.5mm.

In the preferred embodiment, the inner side of the corner 12 is smoothly transited, so that the resistance of the air flow can be reduced, and the smoothness of the air flow flowing in the pipe body 1 can be ensured, so that the air flow can flow more smoothly at the corner of the corner 12.

In the preferred embodiment, the corner 12 is a right-angle corner, and the corner 12 is greater than or equal to 90 ° so that the two corners 12 are at a staggered angle to each other, ensuring compactness of the structure of the pipe body 1, so as to reduce the space occupied by the pipe body 1.

As shown in fig. 2-3, the pipe further comprises a plurality of guiding elements 2, which are arranged in the pipe body 1 and connected with the inner wall of the pipe body 1, wherein the guiding elements 2 are arranged in a perforation way, a cavity is arranged in the guiding elements 2, and a plurality of supporting elements 21 for supporting the pipe body 1 and a silencing element 22 are arranged in the cavity. Through being provided with guide piece 2, play the effect of direction for the air current in the body 1, further keep the unobstructed noise that produces when using of air current when further reducing, noise environmental pollution is reduced.

In the preferred embodiment, the guide member 2 is arranged at the air inlet of the pipe body 1 to be in a wedge shape, and the tip part of the wedge shape is flush with the end part of the air inlet, so that the guide member can play a role in guiding well by arranging the wedge shape.

In the preferred embodiment, the sound absorbing member 22 is a braid-wrapped sound absorbing material, which not only has a sound absorbing effect, but also prevents the sound absorbing material from being carried out of the pipe body 1 by high-speed air flow.

As shown in fig. 3, a fireproof layer 4 and a protective layer 5 are disposed on the surface of the pipe body 1, the fireproof layer 4 and the protective layer 5 are connected through an adhesive layer 6, specifically, the fireproof layer 4 is a fireproof plate or fireproof cotton, the adhesive layer 6 is high-temperature glue, the protective layer 5 is a steel plate, the protective layer 5 is used for protecting the fireproof layer 4, the fireproof layer 4 is prevented from being damaged, and the fireproof layer 4 has a good fireproof effect, so that the pipe body 1 has a silencing effect and a fireproof effect.

The technical effects of the utility model are mainly as follows:

the silencing short pipe is convenient to install and good in silencing effect, and smooth airflow circulation can be guaranteed.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims (10)

1. A sound deadening spool, characterized by comprising:

The pipe body (1) comprises two connecting parts (11) and two corner parts (12) connected with the two connecting parts (11) respectively, an intermediate part (13) is connected between the two corner parts (12), and the pipe body (1) is integrally formed;

The guide pieces (2) are arranged in the pipe body (1) and are connected with the inner wall of the pipe body (1), the guide pieces (2) are arranged in a perforation mode, a cavity is formed in the guide pieces (2), and a plurality of supporting pieces (21) and a silencing piece (22) are arranged in the cavity.

2. The silencing neck according to claim 1, wherein the connecting portion (11) is integrally formed with a mounting portion (3).

3. The silencing short pipe as claimed in claim 1, wherein a fireproof layer (4) and a protective layer (5) are arranged on the surface of the pipe body (1), and the fireproof layer (4) is connected with the protective layer (5) through an adhesive layer (6).

4. The silencing short pipe as claimed in claim 3, wherein the fireproof layer (4) is fireproof plate or fireproof cotton, the bonding layer (6) is high-temperature glue, and the protective layer (5) is steel plate.

5. The silencing short pipe as claimed in claim 1, wherein the guide piece (2) is arranged in a wedge shape at the air inlet of the pipe body (1).

6. The sound-deadening spool according to claim 1, wherein the corner (12) is a right-angle corner.

7. The muffler pipe as claimed in claim 1, wherein the inside of the corner portion (12) is smoothly rounded.

8. The muffler pipe as recited in claim 1, wherein the muffler (22) is a braid-encased sound absorbing material.

9. The silencing short pipe as claimed in claim 1, wherein the pipe body (1) is a galvanized steel sheet.

10. The silencing neck as claimed in claim 1, wherein the thickness of the tubular body (1) is between 0.6mm and 1.5mm.