CN217654075U

CN217654075U - Static pressure box capable of adjusting air volume

Info

Publication number: CN217654075U
Application number: CN202221131676.0U
Authority: CN
Inventors: 刘纯; 刘奇; 刘蕾
Original assignee: Jiangsu Qijingjie Air Conditioning Equipment Engineering Co ltd
Current assignee: Jiangsu Qijingjie Air Conditioning Equipment Engineering Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-25
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to a static pressure case technical field especially relates to a static pressure case of adjustable amount of wind, including casing and the fixed cover of setting at the casing downside, the casing both ends are equipped with flange, the casing inboard is equipped with vertical regulation fan, horizontal regulation fan and falls the otter board of making an uproar, vertical regulation fan includes base and flabellum, the base includes fixture block, reset spring, linkage rack, gear and shell, the flabellum passes through axis of rotation and gear fixed connection, the gear is equipped with the multiunit, the linkage rack sets up in gear one side, it has seted up the ventilation hole on the otter board to fall the noise, it has the silence cotton to fall the otter board surface covering of making an uproar. The utility model discloses be equipped with vertical regulation fan and horizontal regulation fan in the casing inboard, can effectively restrict the circulation area of air, and then the adjustment amount of wind size, the dynamic pressure that the otter board reduced the circulation of air is fallen in the cooperation simultaneously, improves the air current effect of supplying air.

Description

Static pressure box capable of adjusting air volume

Technical Field

The utility model relates to a static pressure case technical field especially relates to a static pressure case of adjustable amount of wind.

Background

The static pressure box is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing air flow and reducing air flow vibration of the air supply system, and can make the air supply effect more ideal. A plenum box is a device that both allows airflow to pass through and effectively prevents or attenuates the outward propagation of acoustic energy.

The existing static pressure box is single in structure, the interior of the static pressure box is subjected to mute noise reduction through a static pressure box plate, the air quantity can not be freely adjusted through increasing the box body, and the use is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a static pressure box capable of adjusting air volume.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a static pressure case of adjustable amount of wind, includes the casing and sets up the fixed cover in the casing downside, the casing both ends are equipped with connecting flange, the casing inboard is equipped with the vertical adjustment fan, the horizontal adjustment fan and falls the otter board of making an uproar, the vertical adjustment fan includes base and flabellum, the base includes fixture block, reset spring, linkage rack, gear and shell, the flabellum passes through axis of rotation and gear fixed connection, the gear is equipped with the multiunit, the linkage rack sets up in gear one side, it has seted up the ventilation hole on the otter board to fall the noise, it has the silence cotton to fall the otter board surface covering of making an uproar.

Preferably, the shell outside is equipped with step motor, step motor is equipped with two sets ofly, two sets ofly step motor corresponds the setting with vertical regulation fan and horizontal regulation fan respectively.

Preferably, the output shaft of the stepping motor is fixedly connected with a gear, and the gear is rotatably connected with the shell.

Preferably, the linkage rack is in sliding connection with the shell, and the linkage rack is in meshing contact with the gear.

Preferably, the clamping blocks are arranged in two groups and are respectively arranged at two ends of the reset spring, and the two groups of clamping blocks are respectively fixedly connected with the linkage rack and the shell.

Preferably, the transverse adjusting fan and the longitudinal adjusting fan are arranged correspondingly, and the transverse adjusting fan and the longitudinal adjusting fan are perpendicular to each other.

The beneficial effects of the utility model are that:

compared with the prior art, the utility model discloses be equipped with vertical regulation fan and horizontal regulation fan in the casing inboard, can effectively restrict the circulation area of air, and then the volume of wind size of adjustment, the dynamic pressure that the otter board reduced circulation of air is fallen in the cooperation simultaneously, improves the air current air supply effect.

Drawings

Fig. 1 is a schematic structural view of a static pressure box with adjustable air volume according to the present invention;

fig. 2 is a schematic sectional view of a static pressure box with adjustable air volume according to the present invention;

fig. 3 is a schematic view of a base structure of a plenum box with adjustable air volume according to the present invention.

In the figure: 1. a stepping motor; 2. a housing; 3. a connecting flange; 4. fixing a sleeve; 5. a longitudinal adjusting fan; 51. a clamping block; 52. a return spring; 53. a linkage rack; 54. a gear; 55. a housing; 6. a transverse adjusting fan; 7. and a noise reduction screen plate.

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.

Referring to fig. 1-3, a static pressure box capable of adjusting air volume comprises a shell 2 and a fixed sleeve 4 arranged on the lower side of the shell 2, connecting flanges 3 are arranged at two ends of the shell 2, a longitudinal adjusting fan 5, a transverse adjusting fan 6 and a noise reduction screen plate 7 are arranged on the inner side of the shell 2, the longitudinal adjusting fan 5 comprises a base and fan blades, the base comprises a clamping block 51, a reset spring 52, a linkage rack 53, a gear 54 and a shell 55, the fan blades are fixedly connected with the gear 54 through rotating shafts, the gear 54 is provided with a plurality of groups, the linkage rack 53 is arranged on one side of the gear 54, the noise reduction screen plate 7 is provided with vent holes, and the surface of the noise reduction screen plate 7 is covered with mute cotton.

In this embodiment, the stepping motor 1 is disposed outside the housing 2, the stepping motors 1 are provided in two sets, the two sets of stepping motors 1 are respectively disposed corresponding to the longitudinal adjusting fan 5 and the transverse adjusting fan 6, an output shaft of the stepping motor 1 is fixedly connected to the gear 54, the gear 54 is rotatably connected to the housing 55, the linkage rack 53 is slidably connected to the housing 55, the linkage rack 53 is in meshing contact with the gear 54, the two sets of fixture blocks 51 are respectively disposed at two ends of the return spring 52, the two sets of fixture blocks 51 are respectively fixedly connected to the linkage rack 53 and the housing 55, and multiple sets of blade linkage control is achieved through the linkage rack 53 and the gear 54.

Furthermore, the transverse adjusting fan 6 is arranged corresponding to the longitudinal adjusting fan 5, and the transverse adjusting fan 6 is perpendicular to the longitudinal adjusting fan 5, so that air volume can be adjusted conveniently, and air supply dynamic pressure is reduced.

In this embodiment, 2 inboard vertical regulation fans 5 and the horizontal regulation fans 6 of being equipped with of casing, drive the flabellum through step motor 1 and deflect, obstruct the air current circulation, change the air current flow area simultaneously, and the flabellum mutually perpendicular in vertical regulation fans 5 and the horizontal regulation fans 6 ensures the air current dispersion, and the otter board 7 of making an uproar carries out the noise reduction processing through making an uproar, ensures the air current air supply effect simultaneously.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a static pressure case of adjustable amount of wind, includes casing (2) and sets up fixed cover (4) in casing (2) downside, its characterized in that, casing (2) both ends are equipped with connecting flange (3), casing (2) inboard is equipped with longitudinal regulation fan (5), lateral regulation fan (6) and falls otter board (7) of making an uproar, longitudinal regulation fan (5) is including base and flabellum, the base includes fixture block (51), reset spring (52), linkage rack (53), gear (54) and shell (55), the flabellum passes through axis of rotation and gear (54) fixed connection, gear (54) are equipped with the multiunit, linkage rack (53) set up in gear (54) one side, it has seted up the ventilation hole on otter board (7) of making an uproar to fall, it has the silence cotton to fall otter board (7) surface covering of making an uproar.

2. Static pressure box capable of adjusting air volume according to claim 1, characterized in that a stepping motor (1) is arranged outside the housing (2), two sets of stepping motors (1) are arranged, and the two sets of stepping motors (1) are respectively arranged corresponding to the longitudinal adjusting fan (5) and the transverse adjusting fan (6).

3. Static pressure box with adjustable air volume according to claim 2, characterized in that the output shaft of the stepping motor (1) is fixedly connected with a gear (54), and the gear (54) is rotatably connected with the housing (55).

4. An adjustable air volume plenum box according to claim 3 wherein the linkage rack (53) is in sliding engagement with the housing (55), the linkage rack (53) being in meshing contact with the gear (54).

5. The plenum box capable of adjusting air volume according to claim 4, wherein there are two sets of said blocks (51) respectively disposed at two ends of the return spring (52), and the two sets of said blocks (51) are respectively fixedly connected to the linked rack (53) and the housing (55).

6. Static pressure box capable of adjusting air volume according to claim 1, characterized in that the transverse adjusting fan (6) is arranged corresponding to the longitudinal adjusting fan (5), and the transverse adjusting fan (6) is perpendicular to the longitudinal adjusting fan (5).