CN218993588U

CN218993588U - Variable frequency ventilation device

Info

Publication number: CN218993588U
Application number: CN202320131203.9U
Authority: CN
Inventors: 梁爱英
Original assignee: Shandong Youjie Environmental Engineering Co ltd
Current assignee: Shandong Youjie Environmental Engineering Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-05-09
Anticipated expiration: 2033-01-16

Abstract

The utility model belongs to variable frequency ventilation equipment, and discloses a variable frequency ventilation device, wherein the conventional ventilation equipment is formed by assembling a filter screen and a ventilator and is arranged on a wall surface, when the outdoor temperature is low, heat preservation is needed to be carried out indoors, when the conventional ventilation equipment is closed, indoor heat is easy to escape from the conventional ventilation equipment, the use is inconvenient.

Description

Variable frequency ventilation device

Technical Field

The utility model belongs to variable frequency ventilation equipment, and particularly relates to a variable frequency ventilation device.

Background

The ventilating device is a device which uses a mechanical method to send enough fresh air into an indoor space and simultaneously discharges dirty air which does not meet the sanitary requirement in the indoor space, so that the indoor air meets the sanitary requirement and fresh air is needed in the production process.

The existing ventilation equipment is formed by assembling a filter screen and a ventilator, is installed in an installation hole on a wall surface, needs to keep the temperature in a room when the outdoor temperature is low, is closed because the installation hole for installing the ventilation equipment is used for communicating the room with the outside, and is of a ventilation structure, indoor heat is easily diffused to the outside through the existing ventilation equipment, the indoor heat preservation effect is affected, and inconvenience is brought to use

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a variable frequency ventilation device which can control the gap between arc plates, close two arc plates when the outdoor temperature is low, effectively reduce indoor heat loss, and adjust the gap between the two arc plates to adjust the air outlet range.

The technical scheme adopted for solving the technical problems of the variable-frequency ventilation device is as follows:

the utility model provides a variable frequency ventilation unit, including both sides open-ended box, one side of box is the arc structure, and one side of box sets up two arcs about one, and the opposite side of box is provided with the filter screen, is provided with inverter motor in the box, is provided with the flabellum of taking a breath on the inverter motor, is provided with adjusting device in the box, and adjusting device can adjust the clearance between two arcs, is provided with fixing device on the box.

Further, adjusting device constitute by four first connecting rods, two movable tubes, two loose axles, four second connecting rods, four third connecting rods, the movable block, reciprocating screw rod, two movable tubes run through the front and back two sides of box respectively and rotate and connect, the movable axle passes corresponding movable tube and fixed connection respectively, the arc of upside is located the one end outside the box through wherein two first connecting rods are fixed connection respectively corresponding movable shaft, the arc of downside is located the one end outside the box through two other first connecting rods fixed connection respectively corresponding movable tube, the one end that movable shaft and movable tube are located the one end of box respectively fixedly connected with second connecting rod, the other end of second connecting rod articulates the one end of third connecting rod respectively, the one end of third connecting rod articulates respectively and connects the movable block, reciprocating screw rod runs through movable block and screw-thread fit, the output shaft of inverter motor is passed through to reciprocating screw rod one end.

Further, the variable frequency motor circuit is connected with the controller.

Further, the filter screen is obliquely arranged.

Further, fixing device constitute by two first fixed plates, two L shape's second fixed plates, two spacing spouts, two sliders and two screws, two first fixed plates fixed mounting are in the top surface and the bottom surface of box, two spacing spouts are seted up respectively and are located the top surface and the bottom surface of box and one end opening, the slider is located the spacing spout that corresponds respectively and can follow it and slide, the screw rod runs through the horizontal part of second fixed plate and rotates to be connected, the screw rod runs through the slider that corresponds respectively and screw-thread fit.

Further, the screw rods are respectively provided with a rotating block.

Furthermore, the rotating blocks are of hexagonal structures, and hexagonal grooves are formed in the rotating blocks respectively.

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

1. according to the variable-frequency ventilation device, the variable-frequency motor is arranged in the mounting hole of the mounting wall body through the fixing device, the gap between the two arc plates can be adjusted through the adjusting device, the variable-frequency motor is opened, the variable-frequency motor can drive the ventilating fan blades to rotate, the ventilating fan blades can rotate to suck outside air into a room, the filter screen can filter outside air, the air outlet range can be adjusted through adjusting the gap between the two arc plates, when the variable-frequency ventilation device is not used, the two arc plates can be closed through the adjusting device, so that the room is isolated from the outside, and indoor heat loss can be effectively reduced.

2. According to the variable frequency ventilation device, the variable frequency motor is controlled to reversely rotate, the variable frequency motor can drive the reciprocating screw rod to rotate, the moving block can be driven to reciprocate, the second connecting rod can be driven to rotate by the third connecting rod in the reciprocating movement of the moving block, the movable shaft and the movable pipe can be driven to rotate by the rotation of the second connecting rod, the movable shaft and the movable pipe respectively drive the arc plates to move through the first connecting rod, and therefore the gap between the two arc plates is adjusted.

3. According to the variable frequency ventilation device, the rotation speed and the rotation direction of the output shaft of the variable frequency motor can be controlled through the controller, and the variable frequency ventilation device is convenient to use.

4. According to the variable-frequency ventilation device, the filter screen is obliquely arranged, so that dust filtered on the filter screen can drop downwards under the action of gravity.

5. According to the variable-frequency ventilation device, the box body penetrates through the mounting hole of the wall body to be mounted, the first fixing plate is attached to the inner side wall surface, the position of the second fixing plate is adjusted, the second fixing plate is attached to the outer side wall surface, the screw rod is rotated, the screw rod can drive the sliding block to move upwards, the sliding block can be clamped and attached to the opening of the limiting sliding groove, the second fixing plate is attached to the top surface of the box body, the fixing of the second fixing plate is achieved under the action of clamping force between the second fixing plate and the sliding block, and the variable-frequency ventilation device is simple in structure and convenient to manufacture.

6. According to the variable-frequency ventilation device, the rotating block can provide an impetus, so that a user can rotate the screw rod conveniently.

7. According to the variable-frequency ventilation device, the hexagonal structure is convenient for screwing the rotating block through the opening type wrench, the hexagonal groove is convenient for screwing the rotating block through the inner hexagonal wrench, and the tool is common and is convenient to find.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a case 1; 2. an arc-shaped plate; 3. a filter screen; 4. a variable frequency motor; 5. ventilating fan blades; 6. a first link; 7. a movable tube; 8. a movable shaft; 9. a second link; 10. a third link; 11. a moving block; 12. a reciprocating screw rod; 13. a first fixing plate; 14. a second fixing plate; 15. limiting sliding grooves; 16. a slide block; 17. a screw; 18. and (5) rotating the block.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a variable frequency ventilation device comprises a box body 1 with two open sides, wherein one side of the box body 1 is of an arc structure, two arc plates 2 are arranged on one side of the box body 1, a filter screen 3 is arranged on the other side of the box body 1, a variable frequency motor 4 is arranged in the box body 1, a ventilation fan blade 5 is arranged on the variable frequency motor 4, an adjusting device is arranged in the box body 1, the adjusting device can adjust a gap between the two arc plates 2, and a fixing device is arranged on the box body 1. The utility model is arranged in a mounting hole of a mounting wall body through a fixing device, a gap between two arc plates 2 can be adjusted through an adjusting device, a variable frequency motor 4 is opened, the variable frequency motor 4 can drive a ventilation fan blade 5 to rotate when in operation, the ventilation fan blade 5 can rotate and outside air can be sucked into a room, a filter screen 3 can filter outside air, and the air outlet range can be adjusted through adjusting the gap between the two arc plates 2.

As shown in fig. 1, further preferably, the adjusting device is composed of four first connecting rods 6, two movable tubes 7, two movable shafts 8, four second connecting rods 9, four third connecting rods 10, a moving block 11 and a reciprocating screw rod 12, wherein the two movable tubes 7 respectively penetrate through the front surface and the rear surface of the box body 1 and are connected in a rotating manner, the movable shafts 8 respectively penetrate through the corresponding movable tubes 7 and are fixedly connected, the upper arc-shaped plate 2 is respectively and fixedly connected with one end of the corresponding movable shaft 8 outside the box body 1 through the two first connecting rods 6, the lower arc-shaped plate 2 is respectively and fixedly connected with one end of the corresponding movable tube 7 outside the box body 1 through the other two first connecting rods 6, one end of the movable shaft 8 and one end of the movable tube 7 positioned in the box body 1 are respectively and fixedly connected with one end of the second connecting rod 9, the other end of the second connecting rod 9 is respectively hinged with one end of the third connecting rod 10, one end of the third connecting rod 10 is respectively hinged with the moving block 11, the reciprocating screw rod 12 penetrates through the moving block 11 and is matched with threads, one end of the screw rod 12 is connected with the reciprocating screw rod 4 through the one end of the corresponding movable block 11, and the reciprocating screw rod 12 is connected with the variable-frequency motor 4 through the output shaft, and the variable-frequency motor 4 can rotate reversely. The variable frequency motor 4 is controlled to reversely rotate, the variable frequency motor 4 reversely rotates to drive the reciprocating screw rod 12 to rotate, then the movable block 11 can be driven to reciprocate, the movable block 11 can drive the second connecting rod 9 to rotate through the third connecting rod 10, the second connecting rod 9 rotates to drive the movable shaft 8 and the movable pipe 7 to rotate, the movable shaft 8 and the movable pipe 7 respectively drive the arc plates 2 to move through the first connecting rod 6, then the gap between the two arc plates 2 is adjusted, and the adjusting device is convenient to use by controlling the output shaft of the variable frequency motor 4 to turn.

As shown in fig. 1, it is further preferable that the variable frequency motor 4 is electrically connected to a controller (the controller is a PLC controller). The rotation speed and the steering of the output shaft of the variable frequency motor 4 can be controlled through the controller, and the variable frequency motor is convenient to use.

As shown in fig. 1, it is further preferable that the filter screen 3 is disposed obliquely. The filter screen 3 is obliquely provided with a filter which can enable dust filtered on the filter screen 3 to drop downwards under the action of gravity.

As shown in fig. 1, it is further preferable that the fixing device is composed of two first fixing plates 13, two L-shaped second fixing plates 14, two limiting sliding grooves 15, two sliding blocks 16 and two screw rods 17, the limiting sliding grooves 15 are T-shaped sliding grooves, the two first fixing plates 13 are fixedly installed on the top surface and the bottom surface of the box body 1, the two limiting sliding grooves 15 are respectively arranged on the top surface and the bottom surface of the box body 1 and have one end open, the sliding blocks 16 are respectively located in the corresponding limiting sliding grooves 15 and can slide along the corresponding limiting sliding grooves, the screw rods 17 penetrate through the horizontal portions of the second fixing plates 14 and are connected in a rotating manner, and the screw rods 17 respectively penetrate through the corresponding sliding blocks 16 and are in threaded fit. The box 1 passes the mounting hole that needs installation wall body, first fixed plate 13 and inboard wall laminating, adjust the position of second fixed plate 14 for second fixed plate 14 and outside wall laminating, rotate screw 17, screw 17 can drive slider 16 upwards to remove, can make slider 16 and spacing spout 15 opening part chucking laminating, and can make second fixed plate 14 and box 1 top surface laminating, under the effect of the clamping force between second fixed plate 14 and slider 16, realize the fixed to second fixed plate 14, this fixing device's simple structure is convenient for produce and makes.

As shown in fig. 1, further preferably, the screws 17 are provided with rotary blocks 18, respectively. The swivel block 18 can provide a point of force for a user to turn the screw 17.

As shown in fig. 1, further preferably, the rotating blocks 18 are all of hexagonal structures, and hexagonal grooves are respectively formed on the rotating blocks 18. The hexagonal structure is convenient for twist the turning block 18 through the open type spanner, and the hexagonal groove is convenient for twist the turning block 18 through the allen wrench, and the instrument is common, is convenient for find.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Other technical features besides those described in the specification are known to those skilled in the art, and are not described herein in detail to highlight the innovative features of the present utility model.

Claims

1. The utility model provides a variable frequency ventilation unit, including both sides open-ended box (1), one side of box (1) is arc structure, characterized by, one side of box (1) sets up two arc plates (2) about one, the opposite side of box (1) is provided with filter screen (3), be provided with inverter motor (4) in box (1), be provided with on inverter motor (4) and take a breath flabellum (5), be provided with adjusting device in box (1), adjusting device can adjust the clearance between two arc plates (2), be provided with fixing device on box (1).

2. The variable frequency ventilation device according to claim 1, wherein the adjusting device comprises four first connecting rods (6), two movable pipes (7), two movable shafts (8), four second connecting rods (9), four third connecting rods (10), a moving block (11) and a reciprocating screw rod (12), wherein the two movable pipes (7) respectively penetrate through the front surface and the back surface of the box body (1) and are connected in a rotating manner, the movable shafts (8) respectively penetrate through the corresponding movable pipes (7) and are fixedly connected, the arc plate (2) on the upper side is fixedly connected with one end of the corresponding movable shaft (8) outside the box body (1) through two first connecting rods (6), the arc plate (2) on the lower side is respectively fixedly connected with one end of the corresponding movable pipe (7) outside the box body (1) through the other two first connecting rods (6), one end of the movable shaft (8) and one end of the movable pipe (7) positioned in the box body (1) are respectively fixedly connected with one end of the second connecting rod (9), the other end of the second connecting rod (9) respectively is hinged with one end of the third connecting rod (10) respectively, the other end of the movable connecting rod (9) respectively is hinged with the other end of the movable pipe (7) respectively, and the first connecting rod (11) is respectively hinged through the screw rod (11), one end of the reciprocating screw rod (12) is connected with an output shaft of the variable frequency motor (4) through a one-way bearing.

3. A variable frequency ventilating device according to claim 1, characterized in that the variable frequency motor (4) is connected to the controller by means of a circuit.

4. A variable frequency ventilating device according to claim 1, characterized in that the filter screen (3) is arranged obliquely.

5. The variable frequency ventilation device according to claim 1, wherein the fixing device is composed of two first fixing plates (13), two L-shaped second fixing plates (14), two limiting sliding grooves (15), two sliding blocks (16) and two screw rods (17), the two first fixing plates (13) are fixedly arranged on the top surface and the bottom surface of the box body (1), the two limiting sliding grooves (15) are respectively arranged on the top surface and the bottom surface of the box body (1) and are open at one end, the sliding blocks (16) are respectively arranged in the corresponding limiting sliding grooves (15) and can slide along the corresponding limiting sliding grooves, the screw rods (17) penetrate through the horizontal portions of the second fixing plates (14) and are connected in a rotating mode, and the screw rods (17) respectively penetrate through the corresponding sliding blocks (16) and are in threaded fit.

6. A variable frequency ventilating device according to claim 5, characterized in that the screws (17) are provided with respective turning blocks (18).

7. The variable frequency ventilation device according to claim 6, wherein the rotating blocks (18) are of hexagonal structures, and hexagonal grooves are respectively formed in the rotating blocks (18).