Air distribution device of air pipe air supply type air conditioner

Abstract

The utility model discloses an air distribution device of an air pipe air supply type air conditioner, and relates to the technical field of air conditioners. The air conditioner comprises an indoor unit, the indoor unit comprises an air distribution box, an air inlet is formed in the end face of the air distribution box in a penetrating mode, branch pipes are fixedly connected to the two side faces of the air distribution box in a penetrating mode, air volume adjusting plates are rotationally connected into pipe openings of the branch pipes, shells are fixedly connected to the outer side walls of the branch pipes, and rotating shafts are rotationally connected to the side walls of the shells in a penetrating mode. One end of the rotating shaft is fixedly connected with the outer cambered surface of the air volume adjusting plate, the other end of the rotating shaft is fixedly connected with a first bevel gear, a toothed plate is arranged in the shell in a liftable mode, the side wall of the toothed plate is meshed with a transmission gear, and a transverse shaft is fixedly connected to the middle of the side wall of the transmission gear in a penetrating mode. A second bevel gear is fixedly connected to the side wall of the transverse shaft and located on one side of the transmission gear. According to the utility model, the noise can be reduced, and the operation of air distribution can be simplified.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, specifically to an air volume distribution device for a duct-type air conditioner. Background Technology

[0002] Ducted air conditioners, also known as ducted units, mainly consist of an outdoor unit, an indoor unit, and a distribution box. When in use, ducted units can be used to distribute air to two, three, or four rooms according to user needs, through the distribution box.

[0003] Currently, ducted air conditioning systems generate increased noise due to the high compressed air volume and velocity during fresh air distribution. Furthermore, adjusting the airflow within branch ducts requires manual rotation of the airflow control plate to regulate the flow rate at the branch duct openings, which is cumbersome. While installing a drive motor directly on the airflow control plate for airflow control is common in ducted air conditioning systems used in dual, triple, or quadruple configurations, this requires multiple drive sources, increasing production costs. To address these issues, the inventor proposes an airflow distribution device for ducted air conditioning systems. Utility Model Content

[0004] To address the issues of excessive noise and cumbersome airflow distribution during fresh air distribution in current ducted air conditioning systems, this invention aims to provide an airflow distribution device for ducted air conditioning systems.

[0005] To solve the above technical problems, this utility model adopts the following technical solution: an air volume distribution device for a ducted air-conditioning system, comprising an indoor unit, the indoor unit including an air distribution box, an air inlet being provided through the end face of the air distribution box, branch pipes being fixedly connected to both sides of the air distribution box, a flow stabilizing mesh being provided on the inner side wall of the air distribution box and on one side of the air inlet, an air volume regulating plate being rotatably connected inside the opening of the branch pipe, a housing being fixedly connected to the outer side wall of the branch pipe, a rotating shaft being rotatably connected to the side wall of the housing, one end of the rotating shaft being fixedly connected to the outer arc surface of the air volume regulating plate, the rotating shaft... The other end is fixedly connected to a first bevel gear. A toothed plate is vertically and elliptically installed inside the housing. A transmission gear meshes with the side wall of the toothed plate. A horizontal shaft is fixedly connected through the middle of the side wall of the transmission gear. A second bevel gear is fixedly connected to the side wall of the horizontal shaft and to one side of the transmission gear. The second bevel gear corresponds to and meshes with the first bevel gear. A hollow cylinder is fixedly connected to the bottom surface of the housing. A connecting pipe is fixedly connected to the bottom end of the hollow cylinder. A lifting rod is vertically and elliptically installed inside the hollow opening of the hollow cylinder. The top end of the lifting rod is fixedly connected to the bottom surface of the toothed plate. A piston is fixedly connected to the bottom end of the lifting rod.

[0006] Preferably, the indoor unit further includes a fresh air outlet, the output end of which is fixedly connected to a duct body. The end of the duct body away from the fresh air outlet corresponds to and cooperates with the air inlet. One end of the rotating shaft passes through a branch pipe, and the rotating shaft is rotatably connected to the branch pipe. Duct-type air conditioners are commonly referred to as ducted units, mainly composed of an outdoor unit, an indoor unit, and a distribution box. The outdoor unit is responsible for absorbing and releasing heat and is the power source of the air conditioning system. The indoor unit is usually hidden in the ceiling during installation, and the treated air is delivered to each room through pipes. The fresh air from the fresh air outlet enters the distribution box through the duct body, where the air volume is distributed to the branch pipes, and then the air is delivered to each room. Figure 2 as well as Figure 3 As shown, this device has four branch pipes, which can supply air to four rooms during use. A guide plate is fixedly connected to the side of the toothed plate facing away from the teeth. A guide groove is provided on the inner side wall of the housing. The guide plate corresponds to and is slidably connected to the guide groove. When air enters the air distribution box through the air inlet, the flow is stabilized by the flow stabilizing net to ensure uniform air distribution. A frame is provided on the side wall of the flow stabilizing net. The side wall of the frame is fixedly connected to the inner wall of the air distribution box. The toothed plate can move up and down inside the housing. Through the cooperation of the guide plate and the guide groove, the up and down movement of the toothed plate can be made more stable.

[0007] Preferably, both ends of the horizontal shaft extend into the housing, and the horizontal shaft is rotatably connected to the housing. When the toothed plate moves up and down, the meshing of the toothed plate with the transmission gear, and the cooperation of the horizontal shaft, causes the second bevel gear to rotate. The meshing of the second bevel gear with the first bevel gear causes the rotating shaft to rotate, which in turn causes the airflow regulating plate to rotate, thereby adjusting the flow rate of the branch pipe opening and distributing the airflow. A protruding plate is fixedly connected to the upper part of the side wall of the toothed plate, and a guide rod is fixedly connected to the top surface of the protruding plate. A spring is sleeved on the side wall of the guide rod. A cylinder is fixedly connected to the inner top wall of the housing, and the guide rod is located inside the cylinder opening. The guide rod is slidably connected to the cylinder, and the top end of the spring is connected to the cylinder opening. The bottom surface of the cylinder is fixedly connected, and the bottom end of the spring is fixedly connected to the top surface of the convex plate. When the toothed plate is subjected to force and moves upward, it can drive the guide rod to move upward under the action of the convex plate. At this time, the spring is in a compressed state. Through the meshing of the toothed plate and the transmission gear, and with the cooperation of the horizontal shaft, the second bevel gear can be rotated. Through the meshing of the second bevel gear and the first bevel gear, the rotating shaft can be rotated, which in turn can make the air volume regulating plate rotate to adjust the flow rate of the branch pipe opening. When the toothed plate is no longer subjected to force, under the action of its own weight and the action of the spring force, the toothed plate can fall, which can make the transmission gear rotate in the opposite direction, so that the air volume regulating plate returns to its original position, and the branch pipe can be closed.

[0008] Preferably, a liquid storage cylinder is provided on the bottom surface of the air distribution box, and an electric cylinder is provided on one side of the liquid storage cylinder. A piston is fixedly connected to the output shaft end of the electric cylinder. The piston is located inside the cylinder opening of the liquid storage cylinder. The output end of the liquid storage cylinder is fixedly connected to the opening of the connecting pipe. A solenoid valve is provided on the side wall of the connecting pipe, and a fixed seat is provided on the side wall of the electric cylinder. The fixed seat is fixedly connected to the bottom surface of the air distribution box. The liquid storage cylinder contains liquid. There are four branch pipes to supply air to four rooms. When it is necessary to distribute the air volume, such as supplying air to only one room or adjusting the air volume of the room to be supplied, the other three solenoid valves can be closed, leaving only the solenoid valve in the room to be supplied with air open. Then, the electric cylinder is activated. Under the action of the output shaft of the electric cylinder, the piston in the liquid storage cylinder moves forward. At this time, the liquid in the liquid storage cylinder will be pushed forward due to the force, which will cause the piston at the lifting rod to move upward in the hollow cylinder. The lifting rod can drive the toothed plate to move upward, so that the toothed plate moves.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0010] 1. This utility model simplifies the operation of airflow distribution. When adjusting the airflow regulating plate, the user does not need to manually rotate the airflow regulating plate, thus simplifying the operation, avoiding trouble, and eliminating the need to install a drive source at each airflow regulating plate, thereby reducing production costs. When adjusting the airflow distribution, the electric cylinder is controlled. With the cooperation of the liquid in the storage tank and the action of the piston and solenoid valve, the toothed plate can be raised and lowered. Then, through the meshing of the second bevel gear and the first bevel gear, the rotating shaft can drive the airflow regulating plate to rotate, thereby adjusting the flow of the branch pipe opening, and thus adjusting the airflow distribution.

[0011] 2. In this utility model, a flow stabilizing net is provided inside the air distribution box. The flow stabilizing net corresponds to the air inlet. The flow stabilizing net can block the fresh air entering from the air inlet, thereby reducing the wind speed and achieving noise reduction. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the internal structure of the air distribution box of this utility model.

[0015] Figure 3 This is a schematic diagram of the air distribution box structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the internal structure of the shell of this utility model.

[0017] Figure 5 This is an enlarged view of section A of this utility model.

[0018] Figure 6 This is an enlarged view of section B of this utility model.

[0019] In the diagram: 1. Indoor unit; 2. Fresh air outlet; 3. Frame; 4. Duct body; 5. Air distribution box; 6. Air inlet; 7. Flow stabilizer; 8. Branch pipe; 9. Air volume regulating plate; 10. Housing; 11. Rotating shaft; 12. First bevel gear; 13. Gear plate; 14. Guide plate; 15. Protruding plate; 16. Guide rod; 17. Spring; 18. Cylinder; 19. Transmission gear; 20. Horizontal shaft; 21. Second bevel gear; 22. Hollow cylinder; 23. Lifting rod; 24. Connecting pipe; 25. Solenoid valve; 26. Electric cylinder; 27. Liquid storage tank; 28. Fixing base. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figure 1-6 As shown, this utility model provides an air volume distribution device for a ducted air-conditioning system, including an indoor unit 1. The indoor unit 1 includes an air distribution box 5, with an air inlet 6 penetrating through its end face. Branch pipes 8 are fixedly connected to both sides of the air distribution box 5. A flow stabilizing mesh 7 is provided on the inner side wall of the air distribution box 5 and on one side of the air inlet 6. An air volume regulating plate 9 is rotatably connected inside the opening of the branch pipe 8. A housing 10 is fixedly connected to the outer side wall of the branch pipe 8. A rotating shaft 11 is rotatably connected to the side wall of the housing 10. One end of the rotating shaft 11 is fixedly connected to the outer arc surface of the air volume regulating plate 9, and the other end of the rotating shaft 11 is fixedly connected to a first bevel gear. 12. Inside the housing 10, a toothed plate 13 is vertically movable. A transmission gear 19 meshes with the side wall of the toothed plate 13. A horizontal shaft 20 is fixedly connected through the middle of the side wall of the transmission gear 19. A second bevel gear 21 is fixedly connected to the side wall of the horizontal shaft 20 and to one side of the transmission gear 19. The second bevel gear 21 corresponds to and meshes with the first bevel gear 12. A hollow cylinder 22 is fixedly connected to the bottom surface of the housing 10. A connecting pipe 24 is fixedly connected to the bottom end of the hollow cylinder 22. A lifting rod 23 is vertically movable inside the hollow opening of the hollow cylinder 22. The top end of the lifting rod 23 is fixedly connected to the bottom surface of the toothed plate 13. A piston is fixedly connected to the bottom end of the lifting rod 23.

[0022] The indoor unit 1 also includes a fresh air outlet 2. The output end of the fresh air outlet 2 is fixedly connected to the air duct body 4. The end of the air duct body 4 away from the fresh air outlet 2 corresponds to and cooperates with the air inlet 6. One end of the rotating shaft 11 passes through the branch pipe 8, and the rotating shaft 11 is rotatably connected to the branch pipe 8.

[0023] By adopting the above technical solution, the ducted air conditioning system, commonly known as a ducted unit, mainly consists of an outdoor unit, an indoor unit 1, and a distribution box 5. The outdoor unit is responsible for absorbing and releasing heat and is the power source for the air conditioning system. The indoor unit 1 is usually hidden in the ceiling during installation. Treated air is delivered to each room through ductwork. Fresh air from the fresh air outlet 2 enters the distribution box 5 through the duct body 4. The distribution box 5 distributes the airflow to the branch pipes 8, which then deliver the air to each room. Figure 2 as well as Figure 3 As shown, this device has four branch pipes 8, which can supply air to four rooms when in use.

[0024] A guide plate 14 is fixedly connected to the side of the toothed plate 13 facing away from the teeth. A guide groove is provided on the inner side wall of the housing 10. The guide plate 14 corresponds to the guide groove and is slidably connected.

[0025] By adopting the above technical solution, when air enters the air distribution box 5 through the air inlet 6, the airflow can be stabilized by the flow stabilizing net 7 to ensure uniform air distribution. The side wall of the flow stabilizing net 7 is provided with a frame 3, and the side wall of the frame 3 is fixedly connected to the inner wall of the air distribution box 5. The toothed plate 13 can move up and down inside the housing 10. Through the cooperation of the guide plate 14 and the guide groove, the up and down movement of the toothed plate 13 can be made more stable.

[0026] Both ends of the horizontal shaft 20 extend into the housing 10, and the horizontal shaft 20 is rotatably connected to the housing 10.

[0027] By adopting the above technical solution, when the toothed plate 13 moves up and down, the meshing of the toothed plate 13 with the transmission gear 19 and the cooperation of the horizontal shaft 20 can cause the second bevel gear 21 to rotate. The meshing of the second bevel gear 21 with the first bevel gear 12 can cause the rotating shaft 11 to rotate, which in turn can cause the air volume regulating plate 9 to rotate, thereby adjusting the flow rate of the branch pipe 8 opening and thus distributing and adjusting the air volume.

[0028] A protruding plate 15 is fixedly connected to the upper side wall of the toothed plate 13. A guide rod 16 is fixedly connected to the top surface of the protruding plate 15. A spring 17 is sleeved on the side wall of the guide rod 16. A cylinder 18 is fixedly connected to the inner top wall of the housing 10. The guide rod 16 is located inside the opening of the cylinder 18. The guide rod 16 is slidably connected to the cylinder 18. The top end of the spring 17 is fixedly connected to the bottom surface of the cylinder 18. The bottom end of the spring 17 is fixedly connected to the top surface of the protruding plate 15.

[0029] By adopting the above technical solution, when the toothed plate 13 moves upward under force, it can drive the guide rod 16 to move upward under the action of the convex plate 15. At this time, the spring 17 is in a compressed state. Through the meshing of the toothed plate 13 and the transmission gear 19, and the cooperation of the horizontal shaft 20, the second bevel gear 21 can be rotated. Through the meshing of the second bevel gear 21 and the first bevel gear 12, the rotating shaft 11 can be rotated, which in turn can make the air volume regulating plate 9 rotate to adjust the flow rate of the branch pipe 8 opening. When the toothed plate 13 is no longer under force, under the action of its own weight and the elastic force of the spring 17, the toothed plate 13 can fall, which in turn can make the transmission gear 19 rotate in the opposite direction, so that the air volume regulating plate 9 returns to its original position, and the branch pipe 8 can be closed.

[0030] A liquid storage cylinder 27 is provided on the bottom surface of the air distribution box 5. An electric cylinder 26 is provided on one side of the liquid storage cylinder 27. A piston is fixedly connected to the output shaft end of the electric cylinder 26. The piston is located inside the cylinder opening of the liquid storage cylinder 27. The output end of the liquid storage cylinder 27 is fixedly connected to the opening of the connecting pipe 24. A solenoid valve 25 is provided on the side wall of the connecting pipe 24.

[0031] By adopting the above technical solution, the side wall of the electric cylinder 26 is provided with a fixed seat 28, which is fixedly connected to the bottom surface of the air distribution box 5. The liquid storage tank 27 is filled with liquid, and there are four branch pipes 8 to supply air to four rooms. When it is necessary to distribute the air volume, such as supplying air to only one room or adjusting the air volume of the room to be supplied, the other three solenoid valves 25 can be closed, so that only the solenoid valve 25 of the room to be supplied with air is unobstructed. Then the electric cylinder 26 is started. When the piston in the liquid storage tank 27 moves forward under the action of the output shaft of the electric cylinder 26, the liquid in the liquid storage tank 27 will be pushed forward due to the force, which will cause the piston at the lifting rod 23 to move upward in the hollow cylinder 22. The lifting rod 23 can drive the toothed plate 13 to move upward, so that the toothed plate 13 can move.

[0032] Working principle: When this utility model is in use, there are four branch pipes 8 to supply air to four rooms. When it is necessary to distribute the air volume, such as to supply air to only one room or to adjust the air volume of the room to be supplied, the other three solenoid valves 25 can be closed, so that only the solenoid valve 25 in the room to be supplied with air is unobstructed.

[0033] Next, the electric cylinder 26 is activated. When the piston in the liquid storage tank 27 moves forward under the action of the output shaft of the electric cylinder 26, the liquid in the liquid storage tank 27 will be pushed forward due to the force, which will cause the piston at the lifting rod 23 to move upward in the hollow cylinder 22. The lifting rod 23 can drive the toothed plate 13 to move upward, so that the toothed plate 13 can move. Through the meshing of the toothed plate 13 and the transmission gear 19, and with the cooperation of the horizontal shaft 20, the second bevel gear 21 can be rotated. Through the meshing of the second bevel gear 21 and the first bevel gear 12, the rotating shaft 11 can be rotated, which will cause the air volume regulating plate 9 to rotate, so as to adjust the flow rate of the branch pipe 8 opening, and thus adjust the air volume distribution.

[0034] When the airflow needs to be reduced or turned off, the electric cylinder 26 is controlled to cause the piston in the liquid storage tank 27 to move in the opposite direction, thereby increasing the internal space of the connecting pipe 24 so that the liquid can flow back. At this time, the toothed plate 13 is no longer under force. Under the action of its own weight and the elastic force of the spring 17, the toothed plate 13 can fall down, thereby causing the transmission gear 19 to rotate in the opposite direction to reduce the airflow. When the toothed plate 13 returns to its original position, the airflow regulating plate 9 can return to a vertical position, so that the branch pipe 8 is closed, thereby turning off the airflow.

[0035] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0036] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An air volume distribution device for a ducted air-conditioning system, comprising an indoor unit (1), characterized in that: The indoor unit (1) includes a distribution box (5), with an air inlet (6) extending through the end face of the distribution box (5). Branch pipes (8) are fixedly connected to both sides of the distribution box (5). A flow stabilizing mesh (7) is provided on the inner wall of the distribution box (5) and on one side of the air inlet (6). An airflow regulating plate (9) is rotatably connected inside the opening of the branch pipe (8). A housing (10) is fixedly connected to the outer wall of the branch pipe (8). A rotating shaft (11) is rotatably connected to the side wall of the housing (10). One end of the rotating shaft (11) is fixedly connected to the outer arc surface of the airflow regulating plate (9), and the other end of the rotating shaft (11) is fixedly connected to a first bevel gear (12). The housing (10) contains a height-adjustable... A toothed plate (13) is provided, with a transmission gear (19) meshing on its sidewall. A horizontal shaft (20) is fixedly connected to the middle of the sidewall of the transmission gear (19). A second bevel gear (21) is fixedly connected to the sidewall of the horizontal shaft (20) and to one side of the transmission gear (19). The second bevel gear (21) corresponds to and meshes with the first bevel gear (12). A hollow cylinder (22) is fixedly connected to the bottom surface of the housing (10). A connecting pipe (24) is fixedly connected to the bottom end of the hollow cylinder (22). A lifting rod (23) is vertically installed in the hollow opening of the hollow cylinder (22). The top end of the lifting rod (23) is fixedly connected to the bottom surface of the toothed plate (13). A piston is fixedly connected to the bottom end of the lifting rod (23).

2. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, The indoor unit (1) also includes a fresh air outlet (2), the output end of which is fixedly connected to a duct body (4), and the end of the duct body (4) away from the fresh air outlet (2) corresponds to and cooperates with the air inlet (6).

3. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, One end of the rotating shaft (11) passes through the branch pipe (8), and the rotating shaft (11) is rotatably connected to the branch pipe (8).

4. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, The toothed plate (13) is fixedly connected to a guide plate (14) on the side facing away from the teeth. The inner sidewall of the housing (10) is provided with a guide groove. The guide plate (14) corresponds to and is slidably connected to the guide groove.

5. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, Both ends of the horizontal shaft (20) extend into the housing (10), and the horizontal shaft (20) is rotatably connected to the housing (10).

6. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, A protruding plate (15) is fixedly connected to the upper side wall of the toothed plate (13), and a guide rod (16) is fixedly connected to the top surface of the protruding plate (15). A spring (17) is sleeved on the side wall of the guide rod (16).

7. The air volume distribution device for a ducted air-conditioning system as described in claim 6, characterized in that, The inner top wall of the housing (10) is fixedly connected to a cylinder (18), the guide rod (16) is located inside the opening of the cylinder (18), the guide rod (16) is slidably connected to the cylinder (18), and the top end of the spring (17) is fixedly connected to the bottom surface of the cylinder (18), and the bottom end of the spring (17) is fixedly connected to the top surface of the protrusion plate (15).

8. The air volume distribution device for a ducted air-conditioning system as described in claim 1, characterized in that, The bottom surface of the air distribution box (5) is provided with a liquid storage cylinder (27), and an electric cylinder (26) is provided on one side of the liquid storage cylinder (27). A piston is fixedly connected to the output shaft end of the electric cylinder (26), and the piston is located inside the cylinder opening of the liquid storage cylinder (27). The output end of the liquid storage cylinder (27) is fixedly connected to the opening of the connecting pipe (24), and a solenoid valve (25) is provided on the side wall of the connecting pipe (24).

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