Air guide structure of ventilating fan

Abstract

The utility model relates to the technical field of ventilating fans, and discloses an air guide structure of a ventilating fan, which comprises a case, one end of the case is fixedly connected with a case cover, one end of the case cover is provided with a notch, an exhaust fan body is arranged in the notch, the other end of the case is provided with a connecting plate, and a plurality of shutter air guide plates are arranged in the connecting plate. Two movable grooves are formed in one end of the connecting plate, and fixing mechanisms used for fixing the connecting plate are installed in the movable grooves. According to the air guide structure of the ventilating fan, by rotating a connecting plate, the connecting plate can drive the position of a shutter air guide plate in the connecting plate to be adjusted, then by moving an adjusting block, the adjusting block drives a connecting plate to move, an inserting rod at the top of the connecting plate can be inserted into an inserting groove, and the position of the connecting plate is fixed; therefore, a worker can flexibly adjust the air outlet angle of the shutter air guide plate according to actual requirements so as to achieve the best ventilation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation fan technical field especially relates to a ventilation fan's air -guide structure. BACKGROUND

[0002] Ventilation fan, also known as exhaust fan, is a kind of equipment for discharging indoor foul air, adjusting indoor temperature and humidity, it is usually installed on the wall or window, rotates the fan blade by the rotation of motor, thereby generating airflow, realizes the air exchange between indoor and outdoor.

[0003] In the existing ventilation fan technology, the angle of the louver air baffle inside the rear end air outlet is usually designed to be fixed, which means that once the angle of the air baffle is set, it cannot be adjusted, and because the angle of the louver air baffle is fixed, the air outlet direction and air volume distribution of the ventilation fan are restricted, and the traditional fixed-angle louver air baffle cannot meet the flexible demand when the air outlet direction needs to be changed or the air volume distribution needs to be adjusted. SUMMARY

[0004] The technical problem to be solved by the utility model is that in the prior art, the louver air baffle of the rear end air outlet of the existing ventilation fan is designed to be fixed angle, which limits the air outlet direction and air volume distribution of the ventilation fan and cannot flexibly respond to the demand for changing the air outlet direction or adjusting the air volume, and therefore a ventilation fan air guide structure is provided.

[0005] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a ventilation fan air guide structure, comprising a cabinet, one end of the cabinet is fixedly connected with a cabinet cover, one end of the cabinet cover is provided with a slot, a ventilation fan body is installed in the inside of the slot, a connecting plate is installed at the other end of the cabinet, a plurality of louver air baffles are installed in the inside of the connecting plate, a circular mounting groove is provided at the other end of the cabinet, a plurality of plug-in grooves are provided in the inside of the circular mounting groove, two movable grooves are provided at one end of the connecting plate;

[0006] The inside of the movable groove is provided with a fixing mechanism for fixing the connecting plate.

[0007] Preferably, the fixing mechanism comprises a baffle installed in the inside of the movable groove, an adjusting groove is provided at one end of the baffle, an adjusting block is slidably connected in the inside of the adjusting groove, a connecting plate is fixedly connected at one end of the adjusting block, and a plug-in rod is fixedly connected at the top of the connecting plate.

[0008] Preferably, the surface of the plug-in rod is slidably connected with the inside of the plug-in groove, and the outer diameter of the plug-in rod is matched with the inner diameter of the plug-in groove.

[0009] Preferably, the bottom of the movable slot cavity is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with the bottom of the connecting plate, the bottom of the connecting plate is fixedly connected with a return spring, and the bottom of the return spring is fixedly connected with the bottom of the movable slot cavity.

[0010] Preferably, the two sides of the movable slot cavity are both provided with guide grooves, and the two sides of the connecting plate are both fixedly connected with guide blocks.

[0011] Preferably, the material of the louvered air deflector is weather-resistant plastic.

[0012] Preferably, the other end of the case is provided with a circular positioning groove, and one end of the connecting plate is fixedly connected with a circular positioning block.

[0013] The technical effects and advantages of the present application are as follows:

[0014] In the present application, the connecting plate can drive the position of the louvered air deflector inside the connecting plate to be adjusted by rotating the connecting plate, then the adjusting block drives the connecting plate to move by moving the adjusting block, the plug-in rod at the top of the connecting plate can be inserted into the inside of the plug-in groove to fix the position of the connecting plate, so that the staff can flexibly adjust the air outlet angle of the louvered air deflector according to actual needs to achieve the best ventilation effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the present application;

[0016] Figure 2 It is a rear view schematic diagram of the case of the present application;

[0017] Figure 3 It is a case split structure schematic diagram of the present application;

[0018] Figure 4 It is a connecting plate split structure schematic diagram of the present application;

[0019] Figure 5 It is a baffle split structure schematic diagram of the present application;

[0020] Figure 6 It is a connecting plate local structure schematic diagram of the present application.

[0021] Legend: 1, case; 2, case cover; 3, slot; 4, exhaust fan body; 5, connecting plate; 6, louvered air deflector; 7, circular mounting groove; 8, plug-in groove; 9, movable slot; 10, baffle; 11, adjusting groove; 12, adjusting block; 13, connecting plate; 14, plug-in rod; 15, guide groove; 16, guide block; 17, telescopic rod; 18, return spring; 19, circular positioning groove; 20, circular positioning block. DETAILED DESCRIPTION

[0022] The utility model will be explained further in detail in combination with the drawings and preferred embodiments, and these drawings are all simplified schematic diagrams which only schematically show the basic structure of the utility model, so they only show the components related to the utility model.

[0023] Referring to Figure 1 Figure 5 As shown in the figure, the utility model provides a technical scheme: a kind of air exchange fan's air guide structure, including cabinet 1, one end of cabinet 1 is fixedly connected with lid 2, and slot 3 is formed in one end of lid 2, and exhaust fan body 4 is installed in the inside of slot 3, and connecting plate 5 is installed in the other end of cabinet 1, and a plurality of louvered air baffle 6 are installed in the inside of connecting plate 5, and round mounting groove 7 is formed in the other end of cabinet 1, and a plurality of plug-in slot 8 are formed in the inside of round mounting groove 7, and two movable slots 9 are formed in one end of connecting plate 5, and fixed mechanism for fixing connecting plate 5 is installed in the inside of movable slot 9, and fixed mechanism includes baffle 10 installed in the inside of movable slot 9, and adjusting slot 11 is formed in one end of baffle 10, and adjusting block 12 is slidably connected in the inside of adjusting slot 11, and one end of adjusting block 12 is fixedly connected with link plate 13, and the top of link plate 13 is fixedly connected with plug-in rod 14, and staff can adjust the position of louvered air baffle 6 in the inside of connecting plate 5 by rotating connecting plate 5, then by moving adjusting block 12, adjusting block 12 drives link plate 13 to move, so that the plug-in rod 14 on the top of link plate 13 can be inserted into the inside of plug-in slot 8, and the position of connecting plate 5 is fixed, so that staff can flexibly adjust the air outlet angle of louvered air baffle 6 according to actual needs, to achieve the best ventilation effect.

[0024] Referring to Figure 3 And Figure 5 As shown in the figure, in the embodiment: the surface of plug-in rod 14 is slidably connected with the inside of plug-in slot 8, the outer diameter of plug-in rod 14 is matched with the inner diameter of plug-in slot 8, and the close fit of plug-in rod 14 and plug-in slot 8 ensures the stability of connection, reduces the loosening phenomenon caused by vibration or external force, and improves the reliability of overall structure.

[0025] Referring to Figure 5 As shown in the figure, in the embodiment: the bottom of movable slot 9 inner cavity is fixedly connected with telescopic rod 17, the top of telescopic rod 17 is fixedly connected with the bottom of link plate 13, the bottom of link plate 13 is fixedly connected with reset spring 18, and the bottom of reset spring 18 is fixedly connected with the bottom of movable slot 9 inner cavity, and the setting of reset spring 18 can automatically drive link plate 13 and plug-in rod 14 on the top of link plate 13 to reset quickly when link plate 13 is not stressed, so that plug-in rod 14 can be quickly inserted into plug-in slot 8, to realize the effect of quickly positioning connecting plate 5. ​

[0026] Referring to Figure 4 and Figure 5 As shown in the drawings, in the embodiment: the two sides of the inner cavity of the movable groove 9 are provided with guide grooves 15, and the two sides of the connecting plate 13 are fixedly connected with guide blocks 16 which can slide along the guide grooves 15, so as to ensure smooth movement of the connecting plate 13 in the movable groove 9, thereby making it more convenient and accurate for the staff to adjust the connecting plate 13.

[0027] Referring to Figure 2 As shown in the drawings, in the embodiment: the material of the louvered air deflector 6 is weather-resistant plastic, which has the characteristics of lightness and corrosion resistance, can maintain stable performance in various environments, and the surface is hardened to resist daily wear and tear, ensuring a longer service life.

[0028] Referring to Figure 3 and Figure 6 As shown in the drawings, in the embodiment: the other end of the case 1 is provided with a circular positioning groove 19, and one end of the connecting plate 5 is fixedly connected with a circular positioning block 20, the cooperation of the circular positioning groove 19 and the circular positioning block 20 can ensure the accurate positioning of the connecting plate 5 in the case 1, preventing it from shifting during operation. This design not only improves the stability and reliability of the whole ventilation fan, but also simplifies the installation and maintenance process.

[0029] Working principle: the staff through the rotation connecting plate 5, make connecting plate 5 can drive its inside louver baffle 6 position adjustment, then through the movement adjusting block 12, make adjusting block 12 drive the adapter plate 13 movement, make the adapter plate 13 top plug-in rod 14 can be inserted into the inside of plug-in slot 8, the position of connecting plate 5 is fixed, so that the staff can according to actual needs, flexible adjustment louver baffle 6 angle of wind, to achieve the best ventilation effect, the close cooperation of plug-in rod 14 and plug-in slot 8, ensure the stability of the connection, reduce the loosening phenomenon caused by vibration or external force, improve the reliability of the overall structure, the setting of reset spring 18, can make adapter plate 13 under no force, can automatically drive adapter plate 13 and its top plug-in rod 14 quickly reset, make plug-in rod 14 can be quickly inserted into plug-in slot 8, so as to realize the effect of quick positioning of connecting plate 5, guide block 16 can slide along guide slot 15, ensure that the adapter plate 13 can move smoothly in the movable slot 9, so that the staff can be more convenient and accurate when adjusting the adapter plate 13, louver baffle 6 uses weather-resistant plastic material, has the characteristics of light and corrosion resistance, can maintain stable performance in various environments, at the same time the surface is treated by hardening, can resist daily wear and tear, ensure longer service life, the cooperation of circular positioning slot 19 and circular positioning block 20, can ensure the accurate positioning of connecting plate 5 in the case 1, prevent its deviation in the running process, this design not only improves the stability and reliability of the whole ventilation fan, but also simplifies the installation and maintenance process.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An air guide structure of a ventilation fan comprising a casing (1), characterized in that: One end of the case (1) is fixedly connected with a cover (2), one end of the cover (2) is provided with a notch (3), the inside of the notch (3) is installed with an exhaust fan body (4), the other end of the case (1) is installed with a connecting plate (5), the inside of the connecting plate (5) is installed with a plurality of louvered air deflector (6), the other end of the case (1) is provided with a circular mounting groove (7), the inside of the circular mounting groove (7) is provided with a plurality of plug-in slots (8), one end of the connecting plate (5) is provided with two movable slots (9). The inside of the movable slot (9) is installed with a fixing mechanism for fixing the connecting plate (5).

2. The air guiding structure of a ventilation fan according to claim 1, characterized in that: The fixing mechanism comprises a baffle (10) installed in the movable slot (9), one end of the baffle (10) is provided with an adjusting slot (11), the inside of the adjusting slot (11) is slidably connected with an adjusting block (12), one end of the adjusting block (12) is fixedly connected with an adapter plate (13), the top of the adapter plate (13) is fixedly connected with a plug-in rod (14).

3. The air guiding structure of a ventilation fan according to claim 2, characterized in that: The surface of the plug-in rod (14) is slidably connected with the inside of the plug-in slot (8), the outer diameter of the plug-in rod (14) is matched with the inner diameter of the plug-in slot (8).

4. The air guiding structure of a ventilation fan according to claim 2, wherein: The bottom of the movable slot (9) is fixedly connected with a telescopic rod (17), the top of the telescopic rod (17) is fixedly connected with the bottom of the adapter plate (13), the bottom of the adapter plate (13) is fixedly connected with a return spring (18), the bottom of the return spring (18) is fixedly connected with the bottom of the movable slot (9).

5. The air guiding structure of a ventilation fan according to claim 2, wherein: Both sides of the movable slot (9) are provided with a guide slot (15), both sides of the adapter plate (13) are fixedly connected with a guide block (16).

6. The air guiding structure of a ventilation fan according to claim 1, wherein: The material of the louvered air deflector (6) is weather-resistant plastic.

7. The air guiding structure of a ventilation fan according to claim 1, wherein: The other end of the case (1) is provided with a circular positioning groove (19), one end of the connecting plate (5) is fixedly connected with a circular positioning block (20).

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