Medium-efficiency tuyere

Abstract

The utility model discloses a medium efficiency tuyere which comprises a main body box and a wall body, the surface of the main body box is fixedly connected with a group of folded edges, the surfaces of the folded edges are tightly attached to the wall body, the other end of the wall body is provided with a shutter fixing frame, one end of the shutter fixing frame is arranged in the main body box, and a shutter assembly is arranged in the shutter fixing frame. The upper end of the main body box is fixedly connected with an air outlet, the air outlet and the interior of the main body box are clamped and mutually communicated, and a filtering assembly is arranged in the main body box. A box body of the device is fixed on the back surface of a wall body through screws, then a medium efficiency filter is mounted on a bearing concave plate in the box body, and the filter is fixed in the box body through a pressing plate; the shutter fixing frame is fixed on the front face of a wall through blind rivets, four small holes are formed in the side face of the fixing frame, a single shutter is provided with a spring, the whole shutter can be installed or detached by pressing the spring to contract, the device is composed of the box body, the medium-efficiency filter, the shutter and the shutter fixing frame, air flow passes through the filter after passing through the shutter, and the air return quality is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regional air replacement, in particular to a medium-efficiency air outlet. Background Technique

[0002] In order to improve energy efficiency in a purified and clean area, the air with a certain temperature and humidity in the room is pumped back to the front end to be mixed with fresh air and then sent back into the room. In order to ensure the quality of the return air, a return air device needs to be installed in the room. Currently, most of the market solutions are to open a hole in the indoor wall and install a louver with a filter net. This method installs the filter net and the louver synchronously, and the cost is not high, but the quality of the return air cannot be guaranteed, and the pipeline will be polluted. Therefore, those skilled in the art have provided a medium-efficiency air outlet to solve the problems raised in the above background technique. Content of the Utility Model

[0003] The purpose of the utility model is to provide a medium-efficiency air outlet to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A medium-efficiency air outlet includes a main body box and a wall. A group of folded edges are fixedly connected to the surface of the main body box, and the surface of the folded edges is in close contact with the wall. The other end of the wall is provided with a louver fixing frame, and one end of the louver fixing frame is placed inside the main body box. A louver assembly is arranged inside the louver fixing frame. An air outlet is fixedly connected to the upper end of the main body box, and the air outlet is in snap connection and mutual communication with the inside of the main body box. A filter assembly is arranged inside the main body box.

[0006] Further, the filter assembly includes a fixing rod, a pressing plate, a locking nut, a medium-efficiency filter, a fixing nut, and a receiving concave plate. The inner side wall of the main body box is fixedly connected with the receiving concave plate. Fixing nuts are fixedly connected to both ends of the receiving concave plate, and fixing rods are fixedly connected inside the fixing nuts.

[0007] Further, the surface of the fixing rod is sleeved with a pressing plate, and the surface of the fixing rod is threadedly connected with a locking nut. One end of the locking nut is in close contact with the surface of the pressing plate. A medium-efficiency filter is arranged on the receiving concave plate, and the other surface of the pressing plate is in close contact with the medium-efficiency filter.

[0008] Further, the louver assembly includes a single-piece louver, a first connecting rod, a damping spring, a rotating groove, a reserved through groove, an adjusting plate, and a second connecting rod. A rotating groove is opened on the inner side wall of the louver fixing frame. A damping spring is rotatably connected inside the rotating groove, and the upper end of the damping spring is fixedly connected with a single-piece louver. The upper end of the single-piece louver is fixedly connected with a first connecting rod, and the first connecting rod is rotatably connected to the louver fixing frame.

[0009] Further, two reserved through slots are formed on the surface of the single-piece louver, and a second connecting rod is fixedly connected in the reserved through slot. An adjusting plate is sleeved on the surface of the second connecting rod, and the adjusting plate penetrates through the reserved through slot.

[0010] Further, through slots are formed through the louver fixing frame, the folded edge and the wall body, and the louver fixing frame and the folded edge are fixedly connected to the wall body through the through slots and external screw rods.

[0011] By adopting the above technical solutions,

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The device is composed of four major parts: a box body, a medium-efficiency filter, louvers, and a louver fixing frame. The air flow passes through the louvers and then through the filter, effectively improving the quality of the return air.

[0014] 2. At the same time, the louvers are connected to the fixing frame by spring bolts, which is convenient for installation and disassembly. The filter is replaced regularly, and the return air duct is not polluted, thereby ensuring the indoor cleanliness and improving the engineering quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a medium-efficiency air outlet;

[0016] Figure 2 It is a front view structure schematic diagram of a medium-efficiency air outlet;

[0017] Figure 3 It is a top view sectional structure schematic diagram of a medium-efficiency air outlet;

[0018] Figure 4 It is a side view sectional structure schematic diagram of a medium-efficiency air outlet;

[0019] Figure 5 In the present utility model Figure 4 It is a partial enlarged structure schematic diagram of point A;

[0020] Figure 6 In the present utility model Figure 4 It is a partial enlarged structure schematic diagram of point B;

[0021] Figure 7 It is a side view sectional structure schematic diagram of the louver fixing frame in a medium-efficiency air outlet;

[0022] In the figure: 1. Single-piece louver; 2. Louver fixing frame; 3. Air outlet; 4. Main box; 5. Fixing rod; 6. Pressure plate; 7. Locking nut; 8. Medium efficiency filter; 9. Fixing nut; 10. Receiving concave plate; 11. Folding edge; 12. Wall; 13. Fixing groove; 14. First connecting rod; 15. First fixing plate; 16. Connecting block; 17. Reserved through groove; 18. Adjustment plate; 19. Second connecting rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figures 1 to 7 The utility model provides an embodiment, a medium-efficiency air outlet, including a main body box 4 and a wall 12, a group of folded edges 11 are fixedly connected to the surface of the main body box 4, the surface of the folded edge 11 is in close contact with the wall 12, a louver fixing frame 2 is provided at the other end of the wall 12, and one end of the louver fixing frame 2 is placed in the main body box 4, a louver assembly is provided in the louver fixing frame 2, an air outlet 3 is fixedly connected to the upper end of the main body box 4, and the air outlet 3 is connected to the inside of the main body box 4 by snap-fitting and is connected to each other, a filter assembly is provided in the main body box 4, and the gas entering the main body box 4 can be filtered by installing the louver assembly into the louver fixing frame 2 and fixing the medium-efficiency filter 8 in the main body box 4 through the filter assembly.

[0025] In the embodiment, the filtering assembly includes a fixing rod 5, a pressure plate 6, a locking nut 7, a medium efficiency filter 8, a fixing nut 9 and a receiving concave plate 10. The inner wall of the main body box 4 is fixedly connected with the receiving concave plate 10, and both ends of the receiving concave plate 10 are fixedly connected with fixing nuts 9, and the fixing rod 5 is fixedly connected inside the fixing nut 9. The surface of the fixing rod 5 is sleeved with a pressure plate 6, and the surface of the fixing rod 5 is threadedly connected with a locking nut 7. One end of the locking nut 7 is tightly attached to the surface of the pressure plate 6. The medium efficiency filter 8 is arranged on the receiving concave plate 10, and the other surface of the pressure plate 6 is tightly attached to the medium efficiency filter 8. The pressure plate 6 slides on the surface of the fixing rod 5 and is placed on one end of the medium efficiency filter 8, and the other end of the medium efficiency filter 8 is stuck on the receiving concave plate 10. At the same time, the pressure plate 6 is fixed by the locking nut 7, so that the medium efficiency filter 8 is fixed in the main body box 4.

[0026] In an embodiment, the louver assembly includes a single-piece louver 1, a first connecting rod 14, a damping spring 15, a rotating groove 16, a reserved through groove 17, an adjusting plate 18, and a second connecting rod 19. A rotating groove 16 is formed in the inner side wall of the louver fixing frame 2. A damping spring 15 is rotatably connected in the rotating groove 16, and the upper end of the damping spring 15 is fixedly connected to the single-piece louver 1. The upper end of the single-piece louver 1 is fixedly connected to a first connecting rod 14, and the first connecting rod 14 is rotatably connected to the louver fixing frame 2. Two reserved through grooves 17 are formed on the surface of the single-piece louver 1, and a second connecting rod 19 is fixedly connected in the reserved through grooves 17. An adjusting plate 18 is sleeved on the surface of the second connecting rod 19, and the adjusting plate 18 is disposed through the reserved through grooves 17. The damping spring 15 and the first connecting rod 14 are clamped in the rotating groove 16, so that the adjusting plate 18 can be used to drive the single-piece louver 1 to rotate synchronously. When needed, the single-piece louver 1 can be pressed, so that the damping spring 15 contracts, and the first connecting rod 14 is disengaged from the rotating groove 16, and the whole can be removed, so as to replace the medium-efficiency filter 8 inside the main box.

[0027] In an embodiment, through holes 13 are formed in the louver fixing frame 2, the folded edge 11 and the wall body 12. The louver fixing frame 2 and the folded edge 11 are fixedly connected to the wall body 12 through the through holes 13 and external screws. The whole can be fixed at a proper working position through the through holes 13, so that the device can operate stably. Moreover, only the single-piece louver 1 needs to be removed to replace the medium-efficiency filter 8, further improving the efficiency of replacing the medium-efficiency filter 8.

[0028] The device box body is fixed to the back surface of the wall body 12 with screws. Then, the medium-efficiency filter 8 is installed on the receiving concave plate 10 inside the box body. The filter is fixed inside the box body with a pressing plate 6. The louver fixing frame 2 is fixed to the front surface of the wall body 12 with rivets. Four small holes are formed on the side surface of the fixing frame. The single-piece louver 1 is equipped with a damping spring 15. By pressing the spring to make it contract, the whole louver can be installed or removed. Moreover, the pressing plate 6 can be removed through the locking nut 7, so that the medium-efficiency filter 8 can be easily removed. At the same time, the new medium-efficiency filter 8 can be quickly fixed with the pressing plate 6, making the installation of the device more smooth and fast.

[0029] The device is composed of four major parts: a box body, a medium-efficiency filter 8, louvers, and a louver fixing frame 2. The air flow passes through the louvers and then through the filter, effectively improving the return air quality.

[0030] At the same time, the louvers are connected to the fixing frame by spring pins, which is convenient for installation and disassembly. The filter is replaced regularly, and the return air duct is not polluted, thus ensuring the indoor cleanliness and improving the project quality.

[0031] This specification is described according to embodiments. However, not every embodiment contains only one independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A medium-efficiency air outlet, comprising a main body box (4) and a wall body (12), characterized in that, A set of flanges (11) are fixedly connected to the surface of the main body box (4), the surface of the flange (11) is in close contact with the wall (12), the other end of the wall (12) is provided with a shutter fixing frame (2), and one end of the shutter fixing frame (2) is placed inside the main body box (4). A shutter assembly is arranged inside the shutter fixing frame (2). An air outlet (3) is fixedly connected to the upper end of the main body box (4), and the air outlet (3) is in snap connection and communication with the inside of the main body box (4). A filtering assembly is arranged inside the main body box (4).

2. The medium-efficiency air outlet according to claim 1, wherein the filtering component comprises a fixing rod (5), a pressing plate (6), a locking nut (7), a medium-efficiency filter (8), a fixing nut (9) and a receiving concave plate (10), characterized in that, A receiving concave plate (10) is fixedly connected to the inner side wall of the main body box (4). Fixing nuts (9) are fixedly connected to both ends of the receiving concave plate (10), and a fixing rod (5) is fixedly connected inside the fixing nut (9).

3. The medium-efficiency air outlet according to claim 2, characterized in that, A pressing plate (6) is sleeved on the surface of the fixing rod (5). A locking nut (7) is threadedly connected to the surface of the fixing rod (5), and one end of the locking nut (7) is in close contact with the surface of the pressing plate (6). A medium - efficiency filter (8) is arranged on the receiving concave plate (10), and the other surface of the pressing plate (6) is in close contact with the medium - efficiency filter (8).

4. The medium-efficiency air outlet according to claim 3, wherein the louver assembly comprises a single louver (1), a first connecting rod (14), a damping spring (15), a rotating groove (16), a reserved through groove (17), an adjusting plate (18), and a second connecting rod (19), characterized in that, A rotating groove (16) is formed in the inner side wall of the shutter fixing frame (2). A damping spring (15) is rotatably connected inside the rotating groove (16), and a single - piece shutter (1) is fixedly connected to the upper end of the damping spring (15). A first connecting rod (14) is fixedly connected to the upper end of the single - piece shutter (1), and the first connecting rod (14) is rotatably connected to the shutter fixing frame (2).

5. The medium-efficiency air outlet according to claim 4, characterized in that, Two reserved through - slots (17) are formed on the surface of the single - piece shutter (1), and a second connecting rod (19) is fixedly connected inside the reserved through - slot (17). An adjusting plate (18) is sleeved on the surface of the second connecting rod (19), and the adjusting plate (18) penetrates through the reserved through - slot (17).

6. The medium-efficiency air outlet according to claim 5, characterized in that, Through fixing slots (13) are formed in the shutter fixing frame (2), the flange (11) and the wall (12). The shutter fixing frame (2) and the flange (11) are fixedly connected to the wall (12) through the fixing slots (13) and an external screw rod.

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