CN209483640U - A purification type cabinet roof axial flow fan - Google Patents

Abstract

The utility model discloses a purification type cabinet type roof axial flow fan, which comprises an aluminum alloy frame, an air duct, a base, a filter screen, a motor, a motor bracket, an impeller and rain-proof louvers. The gas can be filtered to purify the transported gas, so that the device has the function of purifying the air and improving the practicability of the device; the utility model pushes the push plate to further compress the spring, so that the pressure plate no longer squeezes the fixed filter net, making the filter The net can be disassembled conveniently and quickly, which is beneficial to the cleaning and replacement of the filter net, reduces the user's use burden, and ensures the long-term stability of the filtering effect of the filter net; The positioning of the filter screen can be carried out through the limit block, thereby facilitating the installation of the filter screen.

Description

A purification type cabinet roof axial flow fan

technical field

The utility model relates to an axial flow fan, in particular to a purification type cabinet type roof axial flow fan.

Background technique

The roof fan is installed on the roof for exhaust and ventilation. The roof fan has many specifications and has a wide range of applications. It can be used according to the application occasion and the different requirements of air volume, pressure and noise. Due to the particularity of the installation and use environment, the use of the fan is determined. Due to the special material and structure, the traditional roof axial flow fan is a hood axial flow fan, which cannot filter and purify the gas flowing through the air duct during ventilation.

Contents of the invention

The purpose of this utility model is to provide a purification type cabinet type roof axial flow fan to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A purification type cabinet roof axial flow fan, comprising an aluminum alloy frame, an air duct, a base, a filter screen, a motor, a motor bracket, an impeller and rain-proof louvers, the upper surface of the base is welded and fixed with an aluminum alloy frame, an aluminum alloy The frame is an open rectangular parallelepiped frame; the top of the aluminum alloy frame is welded and fixed with a matching top plate, and the front, rear, left and right sides of the aluminum alloy frame are all equipped with matching rain-proof louvers. The central position of the upper surface is fixedly connected with the air cylinder, and the motor bracket is welded and fixed in the air cylinder, and the motor bracket is fixedly connected with the motor through bolts. The output end of the motor is connected to one end of the rotating shaft through a coupling, and the other end of the rotating shaft is connected to the impeller. And the opening of one end of the blower located in the aluminum alloy frame is connected with a matched filter screen through the disassembly connection device, and the other end of the blower is communicated with the air duct.

As a further solution of the utility model: the detachable connecting device is composed of a pressing plate, a connecting rod, a push plate, a spring, a side plate and a fixing block, a fixing block is arranged between the air duct and the aluminum alloy frame, and the fixing block is connected to the aluminum alloy frame. The alloy frame is fixedly connected, and the fixed block is provided with a through groove, and a connecting rod is slidingly connected in the through groove, one end of the connecting rod is fixedly connected with a push plate, and the other end of the connecting rod is fixedly connected with a pressure plate, which is used to squeeze and fix the filter screen The fixed block is provided with a chute communicating with the through trough, a side plate is slidably connected to the chute, the side plate is fixedly connected to the connecting rod, and the side plate is connected to the inner wall of the chute away from the push plate through a spring.

As a further solution of the present utility model: the opening of one end of the air duct located in the aluminum alloy frame is integrally formed with an outwardly turned side edge, and two symmetrically arranged limiting grooves are provided on the side edge; the filter screen is fixedly connected There are two limit blocks matched with the limit slots, and the two limit blocks are respectively inserted in the corresponding limit slots.

As a further solution of the utility model: the impeller is matched with the blower.

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

1. The utility model can filter the gas flowing through the blower through the filter, so as to purify the transported gas, so that the device has the function of purifying the air and improving the practicability of the device;

2. The utility model further compresses the spring by pushing the push plate, so that the pressure plate no longer squeezes the fixed filter screen, so that the filter screen can be disassembled conveniently and quickly, which is beneficial to the cleaning and replacement of the filter screen and reduces the user's use burden , and ensure the long-term stability of the filtering effect of the filter screen;

3. The utility model makes the placement of the filter net more firm through the limit block, and at the same time, the position of the filter net can be positioned through the limit block, thereby facilitating the installation of the filter net.

Description of drawings

Fig. 1 is a structural schematic diagram of a purification type cabinet roof axial flow fan.

Fig. 2 is a front structural schematic diagram of a purification type cabinet roof axial flow fan.

FIG. 3 is a partial enlarged view of A in FIG. 1 .

In the figure: alloy frame 1, air duct 2, base 3, filter screen 4, motor 5, motor bracket 6, impeller 7, rain-proof shutter 8.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 3. In the embodiment of the present utility model, a purification type cabinet roof axial flow fan includes an aluminum alloy frame 1, an air duct 2, a base 3, a filter screen 4, a motor 5, a motor bracket 6, and an impeller 7 and rain-proof shutters 8, the upper surface of the base 3 is welded and fixed with an aluminum alloy frame 1, and the aluminum alloy frame 1 is an open rectangular parallelepiped frame; the top of the aluminum alloy frame 1 is welded and fixed with a matching top plate, and the aluminum The front, rear, left and right sides of the alloy frame 1 are equipped with matching rain-proof louvers 8, through which the rain-proof louvers 8 can effectively prevent rainwater from entering the air duct 2 while ensuring gas circulation. The center position of the upper surface of the base 3 is fixedly connected with the air cylinder 2, and the motor bracket 6 is welded and fixed in the air cylinder 2, and the motor bracket 6 is fixedly connected with the motor 5 through bolts, and the output end of the motor 5 is connected to one end of the rotating shaft through a coupling. The other end of the rotating shaft is connected with an impeller 7, and the impeller 7 is matched with the blower 2, and the opening of one end of the blower 2 in the aluminum alloy frame 1 is connected with a matching filter 4 through the dismounting connection device, and the other end of the blower 2 One end is communicated with the air duct, and the motor 5 can drive the impeller 7 to rotate, thereby playing the role of ventilation, and the gas flowing through the air cylinder 2 can be filtered through the filter screen 4, so that the transported gas can be purified, so that the device has the function of purification. The air function increases the practicality of the unit.

The detachable connection device is composed of a pressing plate 9, a connecting rod 11, a push plate 12, a spring 13, a side plate 14 and a fixing block 15, and a fixing block 15 is arranged between the air duct 2 and the aluminum alloy frame 1, and the fixing block 15 It is fixedly connected with the aluminum alloy frame 1, and the fixed block 15 is provided with a through groove, and a connecting rod 11 is slidably connected in the through groove, one end of the connecting rod 11 is fixedly connected with a push plate 12, and the other end of the connecting rod 11 is fixedly connected with a pressure plate 9 , the pressing plate 9 is used to squeeze and fix the filter screen 4; the fixed block 15 is provided with a chute communicating with the through groove, and the side plate 14 is slidably connected in the chute, and the side plate 14 is fixedly connected with the connecting rod 11, and the side The plate 14 is connected with the inner wall of the chute away from the push plate 12 through the spring 13. The spring 13 is in a compressed state when it is not subjected to external force. 12, the spring 13 is further compressed, so that the pressure plate 9 no longer squeezes the fixed filter screen 4, so that the filter screen 4 can be disassembled conveniently and quickly, thereby facilitating the cleaning and replacement of the filter screen 4, reducing the user's use burden, and Long-term stability of the filtering effect of the filter screen 4 is guaranteed.

The air duct 2 is located at the opening at one end of the aluminum alloy frame 1 and is integrally formed with an outwardly turned side edge, and the side edge is provided with two symmetrically arranged limiting grooves; the filter screen 4 is fixedly connected with two limiting grooves. The spacer 10 matched with the position groove is set, and the two spacer blocks 10 are respectively inserted in the corresponding spacer grooves, and the filter screen 4 is placed more firmly by the spacer block 10, and the filter screen 4 can be placed through the spacer block 10 at the same time. The positioning of the net 4 is carried out during installation, thereby facilitating the installation of the filter net 4 .

The circuits and controls involved in the present invention are all prior art, and will not be repeated here.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (4)

1. a kind of cabinet type roof axial fan of purification type, including aluminum alloy frame (1), air duct (2), pedestal (3), filter screen (4), Motor (5), electric machine support (6), impeller (7) and stormproof louvre (8), which is characterized in that the upper surface welding of the pedestal (3) is solid Surely have aluminum alloy frame (1), aluminum alloy frame (1) is open cuboid frame；It welds at the top of the aluminum alloy frame (1) It is fixed with the top plate of matching setting, and the face of the front, rear, left and right of aluminum alloy frame (1) four is mounted on the rain-proof of matching setting The center of blinds (8), pedestal (3) upper surface is fixedly connected with air duct (2), is welded with motor in air duct (2) Bracket (6), electric machine support (6) have been bolted to connection motor (5), and the output end of motor (5) is turned by shaft coupling connection One end of axis, the other end of shaft are connected with impeller (7), and air duct (2) is located at the place open at one end in aluminum alloy frame (1) and leads to The filter screen (4) that dismantling connection device is connected with matching setting is crossed, the other end of air duct (2) is connected to air duct.

2. the cabinet type roof axial fan of a kind of purification type according to claim 1, which is characterized in that the dismantling connection dress It sets and is made of pressing plate (9), connecting rod (11), push plate (12), spring (13), side plate (14) and fixed block (15), the air duct (2) It is provided between aluminum alloy frame (1) fixed block (15), fixed block (15) is fixedly connected with aluminum alloy frame (1), and fixed Block (15) offers through slot, slidably connects in through slot connecting rod (11), and one end of connecting rod (11) is fixedly connected with push plate (12), the other end of connecting rod (11) is fixedly connected with pressing plate (9), and pressing plate (9) is for squeezing fixed filter screen (4)；It is described solid Determine block (15) and offer the sliding slot being interconnected with through slot, is slidably connected side plate (14) in sliding slot, side plate (14) and connecting rod (11) it is fixedly connected, and side plate (14) is connect by spring (13) with the sliding slot inner wall far from push plate (12).

3. the cabinet type roof axial fan of a kind of purification type according to claim 1, which is characterized in that air duct (2) position In the place open at one end in aluminum alloy frame (1) integrally formed with turned-out lateral edge, lateral edge is opened up there are two symmetrically arranged Limiting slot；The filter screen (4) matches the limited block (10) being arranged, two limited blocks (10) with limiting slot there are two being fixedly connected It is plugged in corresponding limiting slot respectively.

4. the cabinet type roof axial fan of a kind of purification type according to claim 1, which is characterized in that the impeller (7) with Air duct (2) matching setting.