CN209925253U

CN209925253U - Building energy-saving ventilation device

Info

Publication number: CN209925253U
Application number: CN201920513322.4U
Authority: CN
Inventors: 张泽鹏
Original assignee: Huzhou Vocational and Technical College
Current assignee: Huzhou Vocational and Technical College
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-10
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a building energy-saving ventilation device, including the fan casing, still include assembly mechanism, buffer gear and sound absorbing mechanism, one side of fan casing is provided with the motor, the opposite side of fan casing is provided with out the fan housing, the inboard of going out the fan housing is provided with the air outlet, be provided with the ring flange between motor and the fan casing, the inboard of fan casing is provided with fan blade, assembly mechanism installs between fan casing and play fan housing, buffer gear installs between ring flange and fan casing, sound absorbing mechanism installs on the surface of fan casing, and is located the outside of fan blade; the assembling mechanism comprises a pulling lug outside the air outlet cover, and a traction spring is arranged between the pulling lug and the air outlet cover; through the dismantlement formula play fan housing that sets up, can customize the change according to the size of building vent, can conveniently change alone after the part corrosion that the fan housing exposes outside moreover, practice thrift the cost.

Description

Building energy-saving ventilation device

Technical Field

The utility model belongs to the technical field of ventilation unit, concretely relates to building energy saving ventilation unit.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust extraction and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.

The existing centrifugal fan shell is of an integrated structure, the radius of an air outlet is fixed, the size of the air outlet cannot be changed according to a building ventilation opening, the installation is very inconvenient, and an air outlet cover is exposed outside and is easy to rust and cannot be changed; a shock absorption device is arranged between the motor and the fan shell, and the shock generated by the rotation of the motor can be directly transmitted to the fan shell, so that parts in the fan are easy to loosen; and the fan blade rotates the noise that produces great, can't absorb the problem, for this reason we propose a building energy-conserving ventilation unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a building energy-saving ventilation device, which aims to solve the problems that the prior centrifugal fan shell proposed in the background art is of an integrated structure, the radius of an air outlet is fixed, the size of the air outlet cannot be changed according to the ventilation opening of a building, the installation is very inconvenient, and an air outlet cover is exposed outside and is easy to rust and cannot be changed; a shock absorption device is arranged between the motor and the fan shell, and the shock generated by the rotation of the motor can be directly transmitted to the fan shell, so that parts in the fan are easy to loosen; and the fan blade rotates the noise that produces great, can't carry out the absorptive problem.

In order to achieve the above object, the utility model provides a following technical scheme: a building energy-saving ventilation device comprises a fan shell, and further comprises an assembling mechanism, a buffering mechanism and a sound absorbing mechanism, wherein a motor is arranged on one side of the fan shell, an air outlet cover is arranged on the other side of the fan shell, an air outlet is arranged on the inner side of the air outlet cover, a flange plate is arranged between the motor and the fan shell, fan blades are arranged on the inner side of the fan shell, the assembling mechanism is installed between the fan shell and the air outlet cover, the buffering mechanism is installed between the flange plate and the fan shell, and the sound absorbing mechanism is installed on the surface of the fan shell and is positioned on the outer side of the fan blades;

the assembly mechanism comprises a pulling protrusion outside the air outlet cover, a traction spring is arranged between the pulling protrusion and the air outlet cover, a fixed column is fixedly connected to the surface of the pulling protrusion, and a fixed groove is formed in the fan shell at a position corresponding to the fixed column;

the buffer mechanism comprises a buffer groove in the fan shell, a buffer spring is arranged in the buffer groove, one end of the buffer spring is connected with a buffer column, the other end of the buffer spring is connected with the fan shell, one side of the buffer groove is provided with a limiting groove, and a position, corresponding to the limiting groove, of the side surface of the buffer column is provided with a limiting protrusion;

inhale the cotton outer loop of sound that sound mechanism includes that the fan casing is inside, and inhale the cotton outer loop of sound and be in the outside of fan blade, the inside of inhaling the cotton outer loop of sound is provided with inhales the cotton post of sound.

Preferably, the one end of cushion post and fan casing pass through spacing protruding and spacing groove block spacing back by buffer spring connection, and the other end contact ring flange of cushion post.

Preferably, the flange plate and the fan shell are fixed through fastening of bolts.

Preferably, the air outlet cover is fixed by a fixing column inserted into the fixing groove after being clamped with the fan shell.

Preferably, the pulling protrusion is connected with the air outlet cover through a traction spring.

Preferably, the pull protrusion and the fixing column are fixed by welding.

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

1. the utility model discloses in, through the dismantlement formula play fan housing that sets up, can customize the change according to the size of building vent, can conveniently change alone after the exposed part corrosion of fan housing moreover, practice thrift the cost.

2. The utility model discloses in, through the bradyseism device of setting between motor and fan casing, can bradyseism motor rotate the vibrations that produce to the inside part of protection fan can not become flexible.

3. The utility model discloses in, through setting up the cotton post of inhaling in the fan blade outside, can absorb the noise that the blade rotation produced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side schematic view of the present invention;

fig. 3 is a right side schematic view of the present invention;

FIG. 4 is an enlarged schematic view of the area A of the present invention;

FIG. 5 is an enlarged schematic view of the area B of the present invention;

in the figure: 1. an air outlet; 2. drawing the convex part; 3. a motor; 4. a flange plate; 5. a fan housing; 6. an air outlet cover; 7. a fan blade; 8. an outer ring of sound absorbing cotton; 9. a sound absorbing cotton column; 10. a limiting groove; 11. a limiting protrusion; 12. a buffer column; 13. a buffer tank; 14. a buffer spring; 15. fixing a column; 16. a traction spring; 17. and fixing the grooves.

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 building energy-saving ventilation device comprises a fan shell 5, and further comprises an assembling mechanism, a buffering mechanism and a sound absorbing mechanism, wherein a motor 3 is arranged on one side of the fan shell 5, an air outlet cover 6 is arranged on the other side of the fan shell 5, an air outlet 1 is arranged on the inner side of the air outlet cover 6, a flange plate 4 is arranged between the motor 3 and the fan shell 5, fan blades 7 are arranged on the inner side of the fan shell 5, the assembling mechanism is arranged between the fan shell 5 and the air outlet cover 6, the buffering mechanism is arranged between the flange plate 4 and the fan shell 5, and the sound absorbing mechanism is arranged on the surface of the fan shell 5 and is positioned on the outer;

the assembling mechanism comprises a pulling projection 2 on the outer side of the air outlet cover 6, a traction spring 16 is arranged between the pulling projection 2 and the air outlet cover 6, a fixed column 15 is fixedly connected to the surface of the pulling projection 2, and a fixed groove 17 is formed in the fan shell 5 at a position corresponding to the fixed column 15;

the buffering mechanism comprises a buffering groove 13 in the fan shell 5, a buffering spring 14 is arranged in the buffering groove 13, one end of the buffering spring 14 is connected with a buffering column 12, the other end of the buffering spring is connected with the fan shell 5, a limiting groove 10 is formed in one side of the buffering groove 13, and a limiting protrusion 11 is arranged on the side surface of the buffering column 12 corresponding to the position of the limiting groove 10;

inhale the cotton outer loop 8 of sound mechanism including the inside sound of fan casing 5, and inhale the cotton outer loop 8 of sound and be in fan blade 7's the outside, inhale the inside of the cotton outer loop 8 of sound and be provided with and inhale cotton post 9 of sound.

In order to fix the buffer column 12 conveniently, in this embodiment, preferably, one end of the buffer column 12 is connected to the fan housing 5 through the buffer spring 14 after being engaged and limited by the limiting protrusion 11 and the limiting groove 10, and the other end of the buffer column 12 contacts the flange 4.

In order to firmly fix the flange 4 and the fan case 5, in the present embodiment, the flange 4 and the fan case 5 are preferably fastened by bolts.

In order to facilitate the detachment of the air outlet cover 6 from the fan housing 5, in the present embodiment, the air outlet cover 6 is preferably fixed to the fan housing 5 by inserting the fixing posts 15 into the fixing grooves 17.

In order to facilitate the pulling of the pull lug 2, in the present embodiment, it is preferable that the pull lug 2 is connected with the wind outlet cover 6 through a pulling spring 16.

In order to tightly combine the pull projection 2 with the fixed column 15, in the embodiment, preferably, the pull projection 2 and the fixed column 15 are fixed by welding.

The utility model discloses well motor 3's model is YDT80M 1-2/4.

The utility model discloses a theory of operation and use flow: the air outlet cover 6 is selected to be fixed with the fan shell 5 according to the size of a building ventilation opening, then the air outlet cover is installed, the motor 3 drives the fan blade 7 in the fan shell 5 to rotate, the generated air can be discharged from the air outlet 1 on the inner side of the air outlet cover 6, when the fan blade 7 rotates, the sound absorption cotton column 9 on the outer side of the fan blade 7 can absorb noise generated by rotation of the fan blade 7, when the motor 3 rotates, the buffer column 12 between the flange plate 4 and the fan shell 5 can buffer the pressure of the flange plate 4 on the fan shell 5 under the supporting action of the buffer spring 14, so that the shock absorption effect is achieved, when the air outlet cover 6 is corroded and needs to be replaced, the air outlet cover 6 can be separated from the fan shell 5 only by pulling the pull protrusion 2 outwards to separate the fixed column 15 from the fixed groove 17, then the replacement is carried out, and the pull protrusion 2 can be automatically pulled by the pull spring 16, the fixing post 15 is clamped into the fixing groove 17 inside the replaced air outlet cover 6.

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. The utility model provides a building energy-conserving ventilation unit, includes fan casing (5), its characterized in that: the fan is characterized by further comprising an assembling mechanism, a buffering mechanism and a sound absorbing mechanism, wherein a motor (3) is arranged on one side of the fan shell (5), an air outlet cover (6) is arranged on the other side of the fan shell (5), an air outlet (1) is arranged on the inner side of the air outlet cover (6), a flange plate (4) is arranged between the motor (3) and the fan shell (5), fan blades (7) are arranged on the inner side of the fan shell (5), the assembling mechanism is installed between the fan shell (5) and the air outlet cover (6), the buffering mechanism is installed between the flange plate (4) and the fan shell (5), and the sound absorbing mechanism is installed on the surface of the fan shell (5) and located on the outer side of the fan blades (7);

the assembly mechanism comprises a pulling protrusion (2) on the outer side of the air outlet cover (6), a traction spring (16) is arranged between the pulling protrusion (2) and the air outlet cover (6), a fixed column (15) is fixedly connected to the surface of the pulling protrusion (2), and a fixed groove (17) is formed in the fan shell (5) corresponding to the position of the fixed column (15);

the buffer mechanism comprises a buffer groove (13) in the fan shell (5), a buffer spring (14) is arranged in the buffer groove (13), one end of the buffer spring (14) is connected with a buffer column (12), the other end of the buffer spring is connected with the fan shell (5), a limiting groove (10) is formed in one side of the buffer groove (13), and a limiting protrusion (11) is arranged on the side surface of the buffer column (12) at a position corresponding to the limiting groove (10);

inhale the sound mechanism and include that fan casing (5) are inside inhale cotton outer loop (8) of sound, and inhale the outside that cotton outer loop (8) of sound is in fan blade (7), inhale the inside of cotton outer loop (8) of sound and be provided with and inhale cotton post (9) of sound.

2. The energy-saving ventilating device for buildings as claimed in claim 1, wherein: one end of the buffer column (12) is connected with the fan shell (5) through a buffer spring (14) after the limit protrusion (11) and the limit groove (10) are clamped and limited, and the other end of the buffer column (12) is in contact with the flange plate (4).

3. The energy-saving ventilating device for buildings as claimed in claim 1, wherein: and the flange plate (4) is fixedly clamped with the fan shell (5) through bolts.

4. The energy-saving ventilating device for buildings as claimed in claim 1, wherein: the air outlet cover (6) is clamped with the fan shell (5) and then fixed by a fixing column (15) inserted into the fixing groove (17).

5. The energy-saving ventilating device for buildings as claimed in claim 1, wherein: the pull lug (2) is connected with the air outlet cover (6) through a traction spring (16).

6. The energy-saving ventilating device for buildings as claimed in claim 1, wherein: the pull protrusion (2) and the fixing column (15) are fixed through welding.