Unpowered energy-saving vertical roof exhaust fan

Abstract

The utility model discloses an unpowered energy-saving vertical roof exhaust fan, which relates to the technical field of energy-saving exhaust fans, and comprises a rain sheltering device, one side of the rain sheltering device is fixedly connected with a fixing device, one side of the fixing device is movably connected with a blade device, and the other side of the fixing device is movably connected with an exhaust fan. One side of the blade device is in threaded connection with a cap top device, the rain shielding device comprises a rain shielding plate, one side of the rain shielding plate is movably connected with a telescopic plate, and one side of the rain shielding plate is fixedly connected with a supporting rod. Through cooperation of the rain shielding plate, the telescopic plate and the supporting rod, the problem that the rain shielding effect is poor when wind power is large in rainy days is solved, the purpose of improving the rain shielding effect is achieved, rainwater is prevented from entering the exhaust fan, the purpose of prolonging the service life of the exhaust fan is achieved, and through cooperation of the cap top, the first bearing and the threaded rod, the service life of the exhaust fan is prolonged. The problem that when the cap top rotates, the threaded rod is driven to rotate synchronously is solved, and therefore the effect that the threaded rod is connected with other devices is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy-saving exhaust fans, and in particular to a non-powered energy-saving vertical roof exhaust fan. Background Art

[0002] Roof exhaust fan is a device that uses the principle of natural air convection to accelerate and transform any parallel air flow into vertical air flow from bottom to top to improve the indoor ventilation effect. It does not require electricity, is noiseless, can operate for a long time, and removes indoor heat, moisture and foul air.

[0003] The Chinese patent application announcement number CN214887858U discloses a non-powered energy-saving roof exhaust fan, comprising: a base, a friction ring is arranged at the upper end of the inner wall of the base, and a support frame is arranged at the lower end of the inner wall of the base; a rotating shaft, the rotating shaft is arranged in the middle of the support frame, and a wind guide blade is arranged at the lower end of the rotating shaft, and a sliding sleeve is arranged above the wind guide blade; a top plate, the top plate is arranged at the top end of the rotating shaft, and a ventilation hole is opened on the surface of the top plate, and a rainproof canopy is arranged at the upper end of the top plate. The non-powered energy-saving roof exhaust fan can protect the non-powered exhaust fan in heavy rain weather to prevent rainwater from falling into the exhaust fan and affecting the performance of the exhaust fan. At the same time, when the external wind force is too strong, the speed of the non-powered exhaust fan can be limited to prevent the exhaust fan from rotating too fast and affecting its service life.

[0004] In order to solve the problem of water entering the exhaust fan on rainy days and shortening the life of the exhaust fan, the existing technology adopts the method of adding a canopy on the top of the exhaust fan. However, when the wind is strong, the canopy is not firm, which leads to poor rain protection effect and shortened life of the exhaust fan. Utility Model Content

[0005] The utility model aims to provide a non-powered energy-saving vertical roof exhaust fan to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A non-powered energy-saving vertical roof exhaust fan comprises a rain shield, one side of the rain shield is fixedly connected to a fixing device, one side of the fixing device is movably connected to a blade device, and one side of the blade device is threadedly connected to a cap top device.

[0008] The rain shield device comprises a rain shield, one side of the rain shield is movably connected with a telescopic plate, one side of the rain shield is fixedly connected with a support rod, and the telescopic plate is slidably connected to one side of the support rod.

[0009] A further improvement of the technical solution of the utility model is that the cap top device includes a cap top, one side of the cap top is threadedly connected to a bearing 1, the interior of the bearing 1 is fixedly connected to a threaded rod, and through the cooperation of the cap top, the bearing and the threaded rod, the cap top and the bearing are fixedly connected, so that when the cap top is rotated, the threaded rod can be fixed.

[0010] A further improvement of the technical solution of the utility model lies in that: the threaded rod is movably connected to the inside of the cap top, a nut is threadedly connected to one side of the threaded rod, and through the cooperation of the threaded rod and the nut, the nut is sleeved on the threaded rod, which can limit the rest of the device, thereby achieving the effect of fixing the device.

[0011] A further improvement of the technical solution of the utility model is that: the blade device includes blades, the blades are threadedly connected to one side of the cap top, one side of the blades is threadedly connected to a fixing ring, one side of the fixing ring is fixedly connected to a bracket, and through the cooperation between the blades and the cap top, the multiple blades are fixed by the top, so that wind can enter the exhaust fan from between the blades, and at the same time, the blades are prevented from shaking, thereby achieving the purpose of improving the stability of the device.

[0012] A further improvement of the technical solution of the utility model is that: one side of the bracket is fixedly connected with a second bearing, the second bearing is fixedly connected to one side of the threaded rod, one side of the second bearing is sleeved with a bearing sleeve, the bearing sleeve is threadedly connected to one side of the bracket, and through the cooperation of the bearing sleeve and the bracket, when the bracket is rotated, the bearing sleeve fixes the bracket, thereby preventing the bracket from becoming loose.

[0013] A further improvement of the technical solution of the utility model is that: the fixing device includes a buckle, the buckle is sleeved with one side of the threaded rod, one side of the buckle is threadedly connected to a lower bracket, one side of the lower bracket is threadedly connected to a foot ring, and through the cooperation of the buckle, the threaded rod and the lower bracket, the buckle fixes the lower bracket and is sleeved on the surface of the threaded rod, thereby achieving the purpose of fixing the position of the threaded rod to the foot ring.

[0014] A further improvement of the technical solution of the utility model is that one side of the foot ring one is fixedly connected to the foot ring two, one side of the foot ring two is fixedly connected to the base, the base is fixedly connected to one side of the rain shield and the support rod, and through the cooperation of the base, the rain shield and the support rod, the base fixes the rain shield and the support rod to prevent the rain shield from falling off when the wind is strong.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a non-powered energy-saving vertical roof exhaust fan, which solves the problem of poor rain shielding effect when the wind is strong on rainy days through the cooperation of a rain shield, a telescopic plate and a support rod, thereby achieving the purpose of improving the rain shielding effect, while preventing rainwater from entering the exhaust fan, achieving the purpose of extending the service life of the exhaust fan, and through the cooperation of a cap top, a bearing and a threaded rod, the problem of driving the threaded rod to rotate synchronously when the cap top rotates is solved, thereby achieving the effect of the threaded rod connecting the remaining devices.

[0017] The utility model provides a non-powered energy-saving vertical roof exhaust fan, which solves the problem of arbitrary shaking of the buckle on the threaded rod through the cooperation of a nut and a buckle, thereby achieving the purpose of fixing the position of the lower bracket.

[0018] The utility model provides a non-powered energy-saving vertical roof exhaust fan, which solves the problem of shaking of the blades when in use through the cooperation of the blades, the cap top and the fixing ring, thereby achieving the purpose of improving the stability of the exhaust fan. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the structure of the rain shield device of the utility model;

[0021] Figure 3 This is a structural schematic diagram of the cap top device of the utility model;

[0022] Figure 4 This is a schematic diagram of the blade device structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the fixing device structure of the utility model.

[0024] In the figure: 1. rain shield; 11. rain shield; 12. telescopic plate; 13. support rod; 2. cap top device; 21. cap top; 22. bearing 1; 23. threaded rod; 24. nut; 3. blade device; 31. blade; 32. fixing ring; 33. bracket; 34. bearing 2; 35. bearing sleeve; 4. fixing device; 41. buckle; 42. lower bracket; 43. foot ring 1; 44. foot ring 2; 45. base. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments: Example 1

[0026] like Figure 1-5As shown, the utility model provides a non-powered energy-saving vertical roof exhaust fan, including a rain shield 1, one side of the rain shield 1 is fixedly connected to a fixing device 4, one side of the fixing device 4 is movably connected to a blade device 3, and one side of the blade device 3 is threadedly connected to a cap top device 2.

[0027] The rain shield device 1 includes a rain shield 11, one side of the rain shield 11 is movably connected with a telescopic plate 12, one side of the rain shield 11 is fixedly connected with a support rod 13, the telescopic plate 12 is slidably connected to one side of the support rod 13, the rain shield 11 can shield the bottom of the blade 31, on rainy days or when the wind is strong, the telescopic plate 12 is pulled out and fixed to the support rod 13 with screws, so as to shield the upper part of the blade 31 from rain, and the support rod 13 can fix the rain shield 11 and the telescopic plate 12 to prevent the rain shield 11 and the telescopic plate 12 from shaking when the wind is strong. Example 2

[0028] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the cap top device 2 includes a cap top 21, one side of the cap top 21 is threadedly connected with a bearing 22, the inside of the bearing 22 is fixedly connected with a threaded rod 23, the threaded rod 23 is movably connected to the inside of the cap top 21, one side of the threaded rod 23 is threadedly connected with a nut 24, the bearing 22 is placed in the groove at the bottom of the cap top 21, and then the bearing 22 is fixed in the groove, and then the threaded rod 23 is fixed to the bearing 22, so that when the cap top 21 is rotated, the threaded rod 23 remains in a stationary state, thereby fixing the positions of the bracket 33, the bearing 24, and the buckle 41, and the blade device 3 includes a blade 31, the blade 31 is threadedly connected to one side of the cap top 21, one side of the blade 31 is threadedly connected with a fixing ring 32, and one side of the fixing ring 32 is fixedly connected with a bracket The bracket 33 is fixedly connected with a bearing 2 34 on one side of the bracket 33, and the bearing 2 34 is fixedly connected to one side of the threaded rod 23. A bearing sleeve 35 is sleeved on one side of the bearing 24, and the bearing sleeve 35 is threadedly connected to one side of the bracket 33. When the blade 31 is not installed, it is arc-shaped. The blade 31 is fixed to the cap top 21 with a tangent. When fixing, it is necessary to pay attention to the installation sequence of the blade 31 to avoid the situation where the blade 31 is vacant after the installation is completed. Then connect the bracket 33 with the bearing 2 34. After the connection is completed, the bearing sleeve 35 is sleeved on the bearing 2 34, and then the bearing 2 34 is sleeved on the threaded rod 23, and the bearing sleeve 35 should be on the bracket 33, and then the bearing 2 34 is fixed to the threaded rod 23. After fixing, fix the bracket 33 with the fixing ring 32, so that when the blade 31 rotates, it can drive the bracket 33 to rotate synchronously. Example 3

[0029] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the fixing device 4 includes a buckle 41, the buckle 41 is sleeved with one side of the threaded rod 23, one side of the buckle 41 is threadedly connected to a lower bracket 42, one side of the lower bracket 42 is threadedly connected to a foot ring 1 43, one side of the foot ring 1 43 is fixedly connected to a foot ring 2 44, one side of the foot ring 24 is fixedly connected to a base 45, the base 45 is fixedly connected to one side of the rain shield 11 and the support rod 13, first a nut 24 is sleeved on the threaded rod 23, and the position is below the bracket 33, and then the buckle 41 is sleeved on the threaded rod 2 3, and then put another nut 24 on the threaded rod 23, and then connect the buckle 41 with the lower bracket 42, and then fix the lower bracket 42 and the foot ring 1 43 on the foot ring 1 43 with screws, and then fix the foot ring 1 43 and the foot ring 2 44, and then fix the foot ring 2 44 on the base 45. The threaded rod 23 connects the blade device 3 and the fixing device 4. At the same time, when the blade device 3 rotates, the fixing device 4 can remain stable, so that after the wind enters the blade 31, it can drive the blade device 3 to rotate, and then it is converted into vertical flow through acceleration, thereby improving the effect of indoor ventilation.

[0030] The following is a detailed description of the working principle of this non-powered energy-saving vertical roof exhaust fan.

[0031] like Figure 1-5 As shown, after fixing the bearing 1 22 and the threaded rod 23, fix the bearing 1 22 inside the cap top 21, and then fix the blade 31 on the cap top 21 and the fixing ring 32 in sequence, and then fix the bracket 33 and the bearing 2 34. After fixing, fix the bearing sleeve 35 and the bracket 33, and then insert the bearing 2 34 into the threaded rod 23, so that the height of the blade device 3 on the threaded rod 23 is fixed, and then the buckle 41 is inserted into the threaded rod 23, and its height is fixed with the nut 24, and then the buckle 41 is fixed to the lower bracket 42, so as to fix the foot ring 1 43 and the foot ring 2 44, and then fix the foot ring 2 44 and the base 45, and then fix the rain shield 11 and the support rod 13 on the base 45, and then it can be installed on the roof to improve the indoor ventilation effect.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A non-powered energy-saving vertical roof exhaust fan, comprising a rain shield device (1), characterized in that: One side of the rain shield device (1) is fixedly connected to a fixing device (4), one side of the fixing device (4) is movably connected to a blade device (3), and one side of the blade device (3) is threadedly connected to a cap top device (2); The rain shield device (1) comprises a rain shield (11), one side of the rain shield (11) is movably connected to a telescopic plate (12), one side of the rain shield (11) is fixedly connected to a support rod (13), and the telescopic plate (12) is slidably connected to one side of the support rod (13).

2. The non-powered energy-saving vertical roof exhaust fan according to claim 1 is characterized in that: The cap top device (2) comprises a cap top (21), one side of the cap top (21) is threadedly connected to a bearing 1 (22), and the interior of the bearing 1 (22) is fixedly connected to a threaded rod (23).

3. The non-powered energy-saving vertical roof exhaust fan according to claim 2 is characterized in that: The threaded rod (23) is movably connected to the inside of the cap top (21), and a nut (24) is threadedly connected to one side of the threaded rod (23).

4. The non-powered energy-saving vertical roof exhaust fan according to claim 1 is characterized in that: The blade device (3) comprises a blade (31), wherein the blade (31) is threadedly connected to one side of the cap top (21), one side of the blade (31) is threadedly connected to a fixing ring (32), and one side of the fixing ring (32) is fixedly connected to a bracket (33).

5. The non-powered energy-saving vertical roof exhaust fan according to claim 4 is characterized in that: One side of the bracket (33) is fixedly connected to a second bearing (34), the second bearing (34) is fixedly connected to one side of the threaded rod (23), one side of the second bearing (34) is sleeved with a bearing sleeve (35), and the bearing sleeve (35) is threadedly connected to one side of the bracket (33).

6. The non-powered energy-saving vertical roof exhaust fan according to claim 1 is characterized in that: The fixing device (4) comprises a buckle (41), the buckle (41) being sleeved with one side of the threaded rod (23), one side of the buckle (41) being threadedly connected to a lower bracket (42), and one side of the lower bracket (42) being threadedly connected to a foot ring (43).

7. The non-powered energy-saving vertical roof exhaust fan according to claim 6 is characterized in that: One side of the foot ring 1 (43) is fixedly connected to the foot ring 2 (44), one side of the foot ring 2 (44) is fixedly connected to the base (45), and the base (45) is fixedly connected to one side of the rain shield (11) and the support rod (13).

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