Building ventilation opening with filter screen convenient to replace

Abstract

The utility model relates to the technical field of ventilation equipment, and discloses a building ventilation opening convenient for replacing a filter screen, which comprises a ventilation pipe, the inner surface of the ventilation pipe is movably sleeved with a filter screen plate, and the lower surface of the ventilation pipe is fixedly connected with a No.1 protective sleeve. By arranging the filter screen plate, the locking block, the rotating rod, the connecting rods and the fixing ring, when the first motor operates, the circular shaft and the rotating rod start to rotate, the rotating rod rotates to drive the two connecting rods, so that the two connecting rods start to rotate with the two ends of the rotating rod as the axis respectively, meanwhile, the other ends of the two connecting rods drive the two connecting rods, and the two connecting rods are driven by the fixing ring to rotate. The two connecting rods integrally start to move back to back along the inner surface of the ventilation pipe, finally, when four locking blocks do not make contact with the front surface of the filter screen plate any more, fixing of the whole filter screen plate is relieved, at the moment, an operator can take out the whole filter screen plate, and therefore the filter screen can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, and more specifically, to a building ventilator which is convenient for replacing a filter screen. Background Art

[0002] A building ventilation system generally refers to an air treatment system consisting of a complete set of devices including air inlets, exhaust outlets, air supply ducts, fans, cooling and heating, filters, control systems and other ancillary equipment. It is divided into two types: ducted ventilation systems and ductless ventilation systems. Among them, the ducted ventilation system has better ventilation effects and lower operating costs. It is suitable for various large public occasions and is therefore the most common.

[0003] When installing building ventilation equipment, operators often use vent components with filters to prevent sand and dust in the air from entering the ventilation system. In actual use, although the existing vent components have basic anti-dust functions, the filter plates on the existing vent components are generally fixed to the inside of the vent components by several bolts. When the operator needs to replace the filter plate, these bolts must be removed first, which brings unnecessary labor burden to the operator, so it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a building ventilator which is convenient for replacing a filter screen, and has the advantage of being easy to disassemble and replace the filter screen.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a building vent that is easy to replace the filter, comprising:

[0006] A ventilation pipe, wherein a filter plate is movably sleeved on the inner surface of the ventilation pipe, and a protective sleeve No. 1 is fixedly connected to the lower surface of the ventilation pipe;

[0007] A locking block, wherein the locking block is movably connected to the left and right sides of the inner surface of the ventilation pipe, the number of the locking blocks is four, the four locking blocks are all located on the front side of the filter plate, the outer ends of the four locking blocks all penetrate the ventilation pipe and extend to the outside of the ventilation pipe and are fixedly connected with a connecting rod, the outer surfaces of the four locking blocks are all movably connected to the inner surface of the ventilation pipe, the number of the connecting rods is two, and the two connecting rods have the same size;

[0008] A quick disassembly and assembly mechanism, wherein the quick disassembly and assembly mechanism is arranged below the ventilation pipe;

[0009] Among them, the quick disassembly and assembly mechanism includes a No. 1 motor, which is fixedly installed inside the No. 1 protective cover. The other end of the output shaft of the No. 1 motor is fixedly sleeved with a round shaft. The top of the outer surface of the round shaft penetrates the No. 1 protective cover and extends to the top of the No. 1 protective cover and is fixedly sleeved with a rotating rod located below the ventilation pipe. Both ends of the rotating rod are hinged with connecting rods. There are two connecting rods. The other ends of the two connecting rods are respectively hinged to the lower surfaces of the two connecting rods. The rotation of the rotating rod causes the two connecting rods to respectively drive the two connecting rods as a whole to move toward and away from each other.

[0010] As a preferred technical solution of the utility model, the outer surfaces of the four locking blocks are fixedly connected to a limiting plate located on the inner side of the ventilation pipe, the outer surface of the limiting plate is movably connected to the inner surface of the ventilation pipe, the rear surface of the filter plate is movably connected to a fixing ring, and the outer surface of the fixing ring is fixedly sleeved to the inner surface of the ventilation pipe.

[0011] As a preferred technical solution of the utility model, handles are fixedly connected to the left and right sides of the front surface of the filter plate, and a filter is fixedly installed on the inner surface of the filter plate.

[0012] As a preferred technical solution of the utility model, a storage box is fixedly connected to the front side of the upper surface of the ventilation duct, and sliding grooves located in front of the handle are opened on the left and right sides of the inner surface of the ventilation duct, and a connecting plate is movably connected to the upper surface of the storage box, and the bottom end of the connecting plate passes through the storage box and the ventilation duct in sequence and extends to the inner side of the ventilation duct, and the outer surface of the connecting plate is movably connected to the ventilation duct and the inner surface of the storage box respectively, and the outer surfaces on the left and right sides of the connecting plate are movably connected to the inner surface of the sliding groove.

[0013] As a preferred technical solution of the utility model, the bottom end of the right surface of the connecting plate is fixedly connected to a brush located on the left side of the filter screen, and the right surface of the brush is movably connected to the ventilation pipe and the inner surface of the storage box respectively.

[0014] As a preferred technical solution of the utility model, a driven wheel located on the rear side of the connecting rod is movably installed on the top of the right surface of the ventilation pipe, and a No. 2 protective cover located below the driven wheel is fixedly connected to the right surface of the ventilation pipe, and a No. 2 motor is fixedly installed inside the No. 2 protective cover, and a driving shaft is fixedly sleeved on the other end of the output shaft of the No. 2 motor, and the left end of the outer surface of the driving shaft passes through the No. 2 protective cover and extends to the left side of the No. 2 protective cover and is fixedly sleeved on the driving wheel located directly below the driven wheel.

[0015] As a preferred technical solution of the utility model, the driving wheel is connected to the driven wheel through a transmission belt, the top of the left surface of the transmission belt is fixedly connected to a connecting frame, and the other end of the connecting frame is fixedly connected to the top of the right surface of the connecting plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model provides a filter plate, a locking block, a rotating rod, a connecting rod and a fixing ring. When the No. 1 motor is running, the round shaft and the rotating rod will start to rotate, and the rotation of the rotating rod will drive the two connecting rods, so that the two connecting rods start to rotate with the two ends of the rotating rod as the axis respectively. At the same time, the other ends of the two connecting rods will drive the two connecting rods, so that the two connecting rods as a whole start to move away from each other along the inner surface of the ventilation pipe. Finally, when the four locking blocks are no longer in contact with the front surface of the filter plate, the fixation of the filter plate as a whole is released. At this time, the operator can take out the filter plate as a whole, thereby realizing the rapid replacement of the filter.

[0018] 2. The utility model is provided with a filter, a connecting plate, a brush, a transmission belt and a connecting frame. When the No. 2 motor is running, the driving shaft and the driving wheel will start to rotate, and the rotation of the driving wheel will drive the transmission belt, so that the transmission belt and the driven wheel start to rotate. At the same time, the rotation of the transmission belt will cause the connecting frame and the connecting plate to start moving downward as a whole. In this process, the brush will clean most of the impurities and dust on the left surface of the filter, thereby minimizing the frequency of manual cleaning of the filter by the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the bottom of the utility model;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the limiting piece of the utility model;

[0023] Figure 5 It is a schematic cross-sectional view of the second protective cover of the utility model.

[0024] In the figure: 1. ventilation duct; 2. filter plate; 3. locking block; 4. connecting rod; 5. No. 1 motor; 6. round shaft; 7. rotating rod; 8. connecting rod; 9. No. 1 protective cover; 10. limit plate; 11. handle; 12. filter; 13. sliding groove; 14. connecting plate; 15. brush; 16. storage box; 17. driven wheel; 18. No. 2 protective cover; 19. No. 2 motor; 20. driving shaft; 21. driving wheel; 22. transmission belt; 23. connecting frame; 24. fixing ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 5 As shown, the utility model provides a building vent that is convenient for replacing a filter screen, including:

[0027] A ventilation pipe 1, the inner surface of which is movably sleeved with a filter plate 2, and the lower surface of which is fixedly connected with a first protective sleeve 9;

[0028] The locking blocks 3 are movably connected to the left and right sides of the inner surface of the ventilation pipe 1. There are four locking blocks 3. The four locking blocks 3 are all located on the front side of the filter plate 2. The outer ends of the four locking blocks 3 penetrate the ventilation pipe 1 and extend to the outside of the ventilation pipe 1 and are fixedly connected with connecting rods 4. The outer surfaces of the four locking blocks 3 are movably connected to the inner surface of the ventilation pipe 1. There are two connecting rods 4, and the two connecting rods 4 have the same size.

[0029] A quick disassembly and assembly mechanism, which is arranged below the ventilation pipe 1;

[0030] Among them, the quick disassembly and assembly mechanism includes a No. 1 motor 5, which is fixedly installed inside the No. 1 protective cover 9. The other end of the output shaft of the No. 1 motor 5 is fixedly sleeved with a round shaft 6. The top of the outer surface of the round shaft 6 passes through the No. 1 protective cover 9 and extends to the top of the No. 1 protective cover 9 and is fixedly sleeved with a rotating rod 7 located below the ventilation pipe 1. Both ends of the rotating rod 7 are hinged with connecting rods 8. There are two connecting rods 8. The other ends of the two connecting rods 8 are respectively hinged to the lower surfaces of the two connecting rods 4. The rotation of the rotating rod 7 causes the two connecting rods 8 to respectively drive the two connecting rods 4 as a whole to move toward and away from each other.

[0031] When motor No. 1 5 is running, the circular shaft 6 and the rotating rod 7 will start to rotate. At this time, the two ends of the rotating rod 7 will respectively drive the two connecting rods 8, causing the two connecting rods 8 to start rotating. At the same time, the other ends of the two connecting rods 8 will respectively drive the two connecting rods 4 as a whole, causing the two connecting rods 4 as a whole to start moving towards and away from each other.

[0032] Among them, the outer surfaces of the four locking blocks 3 are fixedly connected to the limiting plate 10 located on the inner side of the ventilation pipe 1, the outer surface of the limiting plate 10 is movably connected to the inner surface of the ventilation pipe 1, and the rear surface of the filter plate 2 is movably connected to the fixing ring 24, and the outer surface of the fixing ring 24 is fixedly sleeved with the inner surface of the ventilation pipe 1.

[0033] When the locking block 3 contacts the front surface of the filter plate 2 , the filter plate 2 as a whole will be fixed between the locking block 3 and the fixing ring 24 .

[0034] Wherein, handles 11 are fixedly connected to the left and right sides of the front surface of the filter plate 2, and a filter screen 12 is fixedly installed on the inner surface of the filter plate 2.

[0035] Due to the design of the filter 12 , it is ensured that external dust will not enter the interior of the building through the filter 12 .

[0036] Among them, a storage box 16 is fixedly connected to the front side of the upper surface of the ventilation duct 1, and sliding grooves 13 located in front of the handle 11 are opened on the left and right sides of the inner surface of the ventilation duct 1. A connecting plate 14 is movably connected to the upper surface of the storage box 16. The bottom end of the connecting plate 14 passes through the storage box 16 and the ventilation duct 1 in sequence and extends to the inner side of the ventilation duct 1. The outer surface of the connecting plate 14 is movably connected to the inner surface of the ventilation duct 1 and the storage box 16 respectively, and the outer surfaces of the left and right sides of the connecting plate 14 are movably connected to the inner surface of the sliding groove 13.

[0037] The entire connecting plate 14 can move up and down along the inner surface of the sliding groove 13 .

[0038] The bottom end of the right surface of the connecting plate 14 is fixedly connected with a brush 15 located on the left side of the filter screen 12 , and the right surface of the brush 15 is movably connected to the inner surface of the ventilation pipe 1 and the storage box 16 .

[0039] When the brush 15 moves downward, the brush 15 removes sand and dust on the left surface of the filter screen 12 .

[0040] Among them, a driven wheel 17 located on the rear side of the connecting rod 4 is movably installed on the top of the right surface of the ventilation duct 1, and a No. 2 protective cover 18 located below the driven wheel 17 is fixedly connected to the right surface of the ventilation duct 1, and a No. 2 motor 19 is fixedly installed inside the No. 2 protective cover 18. The other end of the output shaft of the No. 2 motor 19 is fixedly sleeved with a driving shaft 20. The left end of the outer surface of the driving shaft 20 penetrates the No. 2 protective cover 18 and extends to the left side of the No. 2 protective cover 18 and is fixedly sleeved with a driving wheel 21 located directly below the driven wheel 17.

[0041] When the second motor 19 is running, the driving shaft 20 and the driving wheel 21 will start to rotate.

[0042] The driving wheel 21 is connected to the driven wheel 17 through a transmission belt 22 , a connecting frame 23 is fixedly connected to the top of the left surface of the transmission belt 22 , and the other end of the connecting frame 23 is fixedly connected to the top of the right surface of the connecting plate 14 .

[0043] When the transmission belt 22 starts to rotate, the connecting frame 23 drives the connecting plate 14 to move downward as a whole.

[0044] The working principle and use process of this utility model:

[0045] When the filter 12 is clogged with impurities and dust, resulting in a decrease in the air intake of the ventilation duct 1, the operator starts the No. 2 motor 19. As the No. 2 motor 19 runs, the driving shaft 20 and the driving wheel 21 begin to rotate, and the rotation of the driving wheel 21 drives the transmission belt 22, causing the transmission belt 22 and the driven wheel 17 to start rotating. At the same time, the rotation of the transmission belt 22 drives the connecting frame 23, causing the connecting frame 23 and the connecting plate 14 to start moving downward as a whole under the limit of the inner surface of the sliding groove 13. During this process, the brush 15 wipes off most of the impurities and dust on the left surface of the filter 12, thereby increasing the air intake of the ventilation duct 1 and reducing the frequency of manual cleaning of the filter 12.

[0046] When the filter 12 is damaged and needs to be replaced, the operator starts the No. 1 motor 5. As the No. 1 motor 5 runs, the circular shaft 6 and the rotating rod 7 will start to rotate, and the two connecting rods 8 will start to rotate respectively driven by the two ends of the rotating rod 7. At the same time, the other ends of the two connecting rods 8 will respectively drive the two connecting rods 4 as a whole, so that the two connecting rods 4 as a whole begin to move away from each other along the inner surface of the ventilation pipe 1. Finally, when the four locking blocks 3 no longer contact the front surface of the filter plate 2, the locking blocks 3 and the fixing ring 24 release the fixation of the filter plate 2. At this time, the operator can directly remove the filter plate 2 as a whole to replace the filter 12, avoiding the cumbersome replacement steps such as disassembling bolts and nuts, and reducing the labor burden of the operator.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building vent that is easy to replace the filter, characterized in that: Included are: A ventilation pipe (1), wherein a filter plate (2) is movably sleeved on the inner surface of the ventilation pipe (1), and a first protective sleeve (9) is fixedly connected to the lower surface of the ventilation pipe (1); A locking block (3), the locking block (3) being movably connected to the left and right sides of the inner surface of the ventilation pipe (1), the number of the locking blocks (3) being four, the four locking blocks (3) being all located on the front side of the filter plate (2), the outer ends of the four locking blocks (3) all passing through the ventilation pipe (1) and extending to the outside of the ventilation pipe (1) and being fixedly connected with a connecting rod (4), the outer surfaces of the four locking blocks (3) being all movably connected to the inner surface of the ventilation pipe (1), the number of the connecting rods (4) being two, and the two connecting rods (4) being of the same size; A quick disassembly and assembly mechanism, wherein the quick disassembly and assembly mechanism is arranged below the ventilation pipe (1); The quick disassembly and assembly mechanism comprises a No. 1 motor (5), the No. 1 motor (5) is fixedly mounted inside a No. 1 protective cover (9), the other end of the output shaft of the No. 1 motor (5) is fixedly sleeved with a round shaft (6), the top end of the outer surface of the round shaft (6) passes through the No. 1 protective cover (9) and extends to the top of the No. 1 protective cover (9) and is fixedly sleeved with a rotating rod (7) located below the ventilation pipe (1), both ends of the rotating rod (7) are hinged with connecting rods (8), the number of the connecting rods (8) is two, the other ends of the two connecting rods (8) are respectively hinged with the lower surfaces of the two connecting rods (4), and the rotating rod (7) rotates so that the two connecting rods (8) respectively drive the two connecting rods (4) as a whole to move towards and away from each other.

2. A building vent that facilitates filter replacement according to claim 1, characterized in that: The outer surfaces of the four locking blocks (3) are fixedly connected to a limiting plate (10) located on the inner side of the ventilation pipe (1), the outer surface of the limiting plate (10) is movably connected to the inner surface of the ventilation pipe (1), the rear surface of the filter plate (2) is movably connected to a fixing ring (24), and the outer surface of the fixing ring (24) is fixedly sleeved to the inner surface of the ventilation pipe (1).

3. The building vent that is easy to replace the filter screen according to claim 1, characterized in that: The left and right sides of the front surface of the filter plate (2) are fixedly connected with handles (11), and the inner surface of the filter plate (2) is fixedly mounted with a filter screen (12).

4. The building vent that is easy to replace the filter screen according to claim 1 is characterized by: A storage box (16) is fixedly connected to the front side of the upper surface of the ventilation pipe (1), and sliding grooves (13) located in front of the handle (11) are provided on the left and right sides of the inner surface of the ventilation pipe (1), and the upper surface of the storage box (16) is movably connected to a connecting plate (14), and the bottom end of the connecting plate (14) passes through the storage box (16) and the ventilation pipe (1) in sequence and extends to the inner side of the ventilation pipe (1), and the outer surface of the connecting plate (14) is movably connected to the inner surface of the ventilation pipe (1) and the storage box (16), respectively, and the outer surfaces of the left and right sides of the connecting plate (14) are movably connected to the inner surface of the sliding groove (13).

5. The building vent that is easy to replace the filter screen according to claim 4, characterized in that: The bottom end of the right surface of the connecting plate (14) is fixedly connected to a brush (15) located on the left side of the filter screen (12), and the right surface of the brush (15) is movably connected to the inner surface of the ventilation pipe (1) and the storage box (16), respectively.

6. The building vent that facilitates filter replacement according to claim 1, characterized in that: A driven wheel (17) located at the rear side of the connecting rod (4) is movably mounted on the top of the right surface of the ventilation pipe (1), and a No. 2 protective cover (18) located below the driven wheel (17) is fixedly connected to the right surface of the ventilation pipe (1), and a No. 2 motor (19) is fixedly mounted inside the No. 2 protective cover (18), and a driving shaft (20) is fixedly sleeved on the other end of the output shaft of the No. 2 motor (19), and the left end of the outer surface of the driving shaft (20) passes through the No. 2 protective cover (18) and extends to the left side of the No. 2 protective cover (18) and is fixedly sleeved on the driving wheel (21) located directly below the driven wheel (17).

7. A building vent that facilitates filter replacement according to claim 6, characterized in that: The driving wheel (21) is connected to the driven wheel (17) through a transmission belt (22); a connecting frame (23) is fixedly connected to the top of the left surface of the driving belt (22); and the other end of the connecting frame (23) is fixedly connected to the top of the right surface of the connecting plate (14).

Images