CN218787605U

CN218787605U - Ventilator

Info

Publication number: CN218787605U
Application number: CN202121179704.1U
Authority: CN
Inventors: 陈罡; 陈世明
Original assignee: Fujian Fengrun Environmental Protection Technology Co ltd
Current assignee: Fujian Fengrun Environmental Protection Technology Co ltd
Priority date: 2021-05-30
Filing date: 2021-05-30
Publication date: 2023-04-04
Anticipated expiration: 2031-05-30

Abstract

The utility model provides a ventilator, including being located the downthehole pivot by motor drive of wall, spiral helicine flabellum has been laid along the axial in the pivot, the utility model discloses utilize the whole push air of the interior screw-thread form flabellum of wall hole to avoid increasing the noise that the amount of wind pressure brought with increasing the fan rotational speed, satisfy the silence requirement.

Description

Ventilator

Technical Field

The utility model relates to a ventilator.

Background

The ventilation unit that current family used adopts single or a plurality of syntropy to pass the fan of wind to draw in the wall downthehole on the market, and this scheme wind-force is little, and the wall hole diameter that the family used the ventilation hole is less, and difficult installation great flabellum or fan cause amount of wind pressure little, and the noise is great.

SUMMERY OF THE UTILITY MODEL

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that the downthehole induced air of current wall adopts and increases the fan speed mode and lead to noise and consumption great.

The utility model discloses a concrete implementation scheme is: a ventilator comprises a rotating shaft which is positioned in a wall hole and driven by a motor, wherein spiral fan blades are distributed on the rotating shaft along the axial direction.

Furthermore, one or more motors are arranged in the wall hole, and the motors are arranged in the middle or at the end part of the rotating shaft.

Furthermore, a support frame for supporting the rotating shaft and/or the motor is fixed in the wall hole.

Furthermore, the support frame comprises a sleeve which is sleeved on the periphery of the spiral fan blade in the wall hole.

Furthermore, the cross section of the sleeve is circular, and the wall of the sleeve is hollowed or netted.

Further, the inner wall and/or the outer wall of the sleeve are/is wrapped with sound-absorbing materials.

Further, an air filtering component is fixed on a wall surface of the wall hole located on one indoor or outdoor side, the air filtering component comprises a shell and an air filtering layer in the shell, the shell comprises a shell back plate, a shell side plate and a shell panel, the shell back plate is fixed on the wall body, the shell back plate is provided with an opening capable of being communicated with the wall hole, and the shell is provided with a ventilation opening;

the air vent is a gap between the edges of the panel or the side plate of the casing;

or the side plate of the shell is provided with an opening;

or an opening in a panel of the enclosure.

Furthermore, the air filter layer is flat or cylindrical, and the inner surface of the machine shell is provided with a limiter for fixing the air filter layer.

Furthermore, the inner side surface of the back plate of the machine shell is provided with a manual valve or an electric valve which can adjust the size of the opening.

Furthermore, the manual valve comprises a guide groove fixed on the inner side surface of the back plate of the casing, a blocking piece capable of moving along the guide groove and used for shielding the opening is arranged in the guide groove, a groove-shaped support with an opening facing the blocking piece is fixed on the blocking piece, a rocker extending into the groove-shaped support is arranged in the groove-shaped support, one end of the rocker deviating from the groove-shaped support is hinged with the casing, and the tail end of the rocker extends out of the casing.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses utilize the whole push air of flabellum of screw-thread form in the wall hole to avoid increasing the noise that the fan speed and increase amount of wind pressure brought, satisfy the silence requirement.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention (the arrow direction is the air flow direction). (the direction of the arrow is the direction of air flow)

Fig. 2 is a schematic structural diagram of an embodiment of the present invention (the arrow direction is the air flow direction).

Fig. 3 is a schematic structural view of a sleeve according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a third structure of the embodiment of the present invention (the arrow direction is the air flow direction).

Fig. 5 is a schematic diagram of a fourth structure according to an embodiment of the present invention (the arrow direction is the air flow direction).

Fig. 6 is a schematic view of a valve body structure according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a valve body structure according to an embodiment of the present invention.

In the figure, 10-rotating shaft, 100-wall hole, 110-motor, 20-fan blade, 111-support frame, 50-sleeve, 101-air outlet cap, 30-air filter component, 310-machine shell, 320-air filter layer, 311-machine shell back plate, 312-machine shell side plate, 313-machine shell panel, 314-opening, 315-ventilation opening, 316-position limiter, 510-sound absorbing cotton, 520-heat insulating material, 40-ventilation rain cap, 610-guide groove, 620-baffle, 630-groove type support and 640-rocker.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the ventilator of the present embodiment comprises a rotating shaft 10 located in a wall hole 100 and driven by a motor 110, and a spiral fan blade 20 is arranged on the rotating shaft along an axial direction. In this embodiment, the fan blades 20 are continuously and spirally arranged along the axial direction of the rotating shaft, so that the air can be wholly pushed, thereby reducing wind resistance and noise.

One or more motors are arranged in the wall hole, and the motors are arranged in the middle or at the end part of the rotating shaft.

In the first embodiment, as shown in fig. 1, in the present embodiment, a support frame 111 for supporting the rotating shaft 10 and/or the motor 110 is fixed in the wall hole, the support frame is connected with the rotating shaft through a bearing, and the support frame 111 is generally disposed at two ends of the rotating shaft.

In the second embodiment, as shown in fig. 2, in the present embodiment, an air filter assembly 30 is fixed on one side of the wall hole 100 located outdoors, and an outlet cap 101 is fixed at an opening of an inner end of the wall hole.

In this embodiment, the support frame includes a sleeve 50 that is inserted into the wall hole around the helical fan blade.

In practical design, as shown in fig. 3, the cross section of the sleeve is circular, the wall of the sleeve is in a net shape or has a hollow structure, so that noise is reduced conveniently, and echoes are avoided.

In the third embodiment, as shown in fig. 4, the difference between the second embodiment and the third embodiment is that an air filter assembly 30 for filtering air is fixed to one wall surface of the wall hole 100 located indoors, and a weather cap 40 is fixed to an opening of one end of the wall hole near the outside of the room.

In the fourth embodiment, the sound absorbing cotton 510 is provided outside the sleeve in addition to the second embodiment, and noise can be reduced by the sound absorbing cotton 510.

In the second to fourth embodiments, the air filter assembly 30 includes a housing 310 and an air filter layer 320 inside the housing, the housing includes a housing back plate 311 fixed on a wall, a housing side plate 312 and a housing front plate 313, the housing back plate has an opening 314 capable of communicating with a wall hole, and the housing front plate or the housing side plate has a vent 315.

When the air filter assembly is located on the wall surface outside the wall hole chamber, the air inlet 315 is used as the air inlet end, and when the air filter assembly is located on the wall surface inside the wall hole chamber, the air outlet 315 is used as the air outlet end.

In practical design, the air filter layers of the second embodiment and the third embodiment are flat;

the fourth embodiment is a cylindrical air filter layer, and the inner surface of the casing is provided with a stopper 316 for fixing the air filter layer.

In the second embodiment, the ventilation opening is a gap between the edge of the panel of the shell and the edge of the side plate of the shell; the ventilation opening in the third embodiment is an opening hole formed in the side plate of the shell; the four-way air port is an opening on the panel of the shell.

In practical design, the inner cavity surface or the outer cavity surface of the enclosure can also be fixed with a heat insulating material 520, so that the occurrence of condensed water under the condition of too low temperature is avoided.

In the fifth embodiment, as shown in fig. 6 to 7, a manual valve or an electric valve capable of adjusting the size of the opening is provided in the back plate of the casing.

In this embodiment, the cross section of the side plate of the casing is circular, the manual valve comprises a guide groove 610 fixed on the inner side surface of the back plate of the casing, a blocking piece 620 capable of moving along the guide groove and covering the opening is arranged in the guide groove, a groove-shaped support 630 with an opening facing the blocking piece is fixed on the blocking piece, a rocker 640 extending into the groove-shaped support is arranged in the groove-shaped support, one end of the rocker departing from the groove-shaped support is hinged with the casing, and the tail end of the rocker extends out of the casing.

In operation, the rocking bar 640 swings around the hinged position of the rocking bar and the shell, so that the groove-shaped support 630 and the baffle 620 are driven to move along the guide groove 610, and the baffle 620 can shield the opening 314. Utilize the device not only can realize opening completely and shielding of open-ended, thereby can also control the size that the opening opened and shut and control the amount of wind according to external environment, for example, can reduce the intake through reducing open-ended size when external wind-force is great.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

It should be finally noted that the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: modifications can still be made to the embodiments of the invention or equivalents may be substituted for some of the features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.

Claims

1. The ventilator is characterized by comprising a rotating shaft which is positioned in a wall hole and driven by a motor, wherein spiral fan blades are distributed on the rotating shaft along the axial direction.

2. The ventilator of claim 1 wherein one or more motors are provided in the wall openings, the motors being disposed in the middle or at the ends of the shaft.

3. The ventilator of claim 1 wherein a support frame is secured to the wall opening to support the shaft and/or the motor.

4. The ventilator of claim 3 wherein the support frame comprises a sleeve that fits within the wall opening about the outer periphery of the helical fan blades.

5. A ventilator as claimed in claim 3 or claim 4 wherein the sleeve is circular in cross-section and the wall of the sleeve is hollow or reticulated.

6. The ventilator of claim 3 or 4 wherein the inner and/or outer walls of the sleeve are coated with sound absorbing material.

7. The ventilator according to claim 3 or 4, wherein an air filter assembly is fixed to a wall surface of the wall hole located at an indoor side or an outdoor side, the air filter assembly comprises a housing and an air filter layer in the housing, the housing comprises a housing back plate, a housing side plate and a housing face plate, the housing back plate is fixed to the wall surface, the housing back plate has an opening capable of communicating with the wall hole, and the housing is provided with a ventilation opening;

the ventilation opening is a gap between the edges of the panel or the side plates of the casing;

or the side plate of the shell is provided with an opening;

or an opening in the chassis panel.

8. The ventilator of claim 7 wherein the air filter layer is flat or cylindrical and the inner surface of the housing has a retainer for retaining the air filter layer.

9. The ventilator of claim 7 wherein the back plate of the housing has an internal side that is provided with a manually or electrically operated valve that adjusts the size of the opening.

10. The ventilator of claim 9 wherein the manual valve comprises a channel fixed to an inner surface of a back plate of the housing, the channel having a shutter movable along the channel to cover the opening, the shutter having a slot-shaped bracket fixed thereto and having an opening facing the shutter, the slot-shaped bracket having a rocker extending therein, an end of the rocker facing away from the slot-shaped bracket being hingedly connected to the housing, and an end of the rocker extending outside the housing.