CN221053966U - Pneumatic induced draft fan device capable of adjusting blade angle - Google Patents
Pneumatic induced draft fan device capable of adjusting blade angle Download PDFInfo
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- CN221053966U CN221053966U CN202323145833.0U CN202323145833U CN221053966U CN 221053966 U CN221053966 U CN 221053966U CN 202323145833 U CN202323145833 U CN 202323145833U CN 221053966 U CN221053966 U CN 221053966U
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- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic induced draft fan device capable of adjusting blade angles, which belongs to the technical field of pneumatic induced draft fans and comprises a base, wherein a driving motor and a machine body are arranged on the base, a rotating rod is arranged at the rear of the machine body, a fixed seat is also arranged on the machine body, the rotating rod extends to the inside of the machine body through the fixed seat, a synchronous belt is tensioned between an output shaft of the driving motor and a part of the rotating rod, which is positioned behind the fixed seat, an air inlet is arranged at one side of the top end of the machine body, a fixed ring is also arranged in the machine body, the fixed ring is fixedly connected with the machine body, and a through hole matched with the rotating rod is formed in the middle of the fixed ring; according to the utility model, the movable rod and the extension rod are arranged, the movable rod drives the movable plate to move, so that the ejector rod is driven to adjust the angle of the blade, and the extension rod and the screw rod are used for fixing the movable rod, so that the angle of the blade is fixed, and the blade is convenient and quick.
Description
Technical Field
The utility model relates to the technical field of pneumatic induced draft fans, in particular to a pneumatic induced draft fan device capable of adjusting blade angles.
Background
The pneumatic induced draft fan device is a device for controlling the wind flow and the wind speed. The pneumatic induced draft fan is widely applied to industrial production, ventilation, air conditioning and other fields. The wind speed control device has the advantages of simple structure, low power consumption, high response speed and the like, can provide adjustable wind flow and wind speed, and meets the requirements in different scenes. In the use process, the blade is inconvenient to adjust, and therefore, the pneumatic induced draft fan device capable of adjusting the angle of the blade is provided.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a pneumatic induced draft fan device capable of adjusting the blade angle, which overcomes the defects of the prior art and aims at solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but blade angle's steam-driven draught fan device, includes the base, be provided with driving motor and organism on the base, the rear of organism is provided with the dwang, still is provided with the fixing base on the organism, the dwang passes through the fixing base extends to the inside of organism, and the tensioning is provided with the hold-in range between driving motor's output shaft and the dwang is located the part behind the fixing base, and top one side of organism is provided with the air intake, and the inside of organism still is provided with solid fixed ring, gu fixed ring and organism fixed connection, and gu fixed ring's middle part has seted up the through-hole with dwang looks adaptation, and one side surface that the fixing base was kept away from to the organism still is provided with the installation cover.
The present utility model may be further configured in a preferred example to: the utility model discloses a fixed ring, including the dead lever, the dead lever is provided with the fixed ring, evenly offered the mounting groove on the lateral wall of dead lever, be provided with the pivot in the mounting groove, the cover is equipped with the rotation cover in the pivot, be provided with the blade on the rotation cover, one side that the fixed ring was kept away from to the blade still is provided with the spring, the other end and the lateral wall fixed connection of mounting groove of spring.
The present utility model may be further configured in a preferred example to: the rotating rod is located between the blades and the fixed ring, a movable plate and a fixed ring are further arranged, the movable plate is arranged on one side close to the fixed ring, a round hole is formed in the fixed ring corresponding to the blades, an ejector rod is arranged in the round hole in a sliding mode, and two ends of the ejector rod are respectively in abutting arrangement with the blades and the movable plate.
The present utility model may be further configured in a preferred example to: the movable part comprises an opening fixedly arranged at the top of the machine body, the machine body is positioned at one side of the opening and is also provided with a fixed plate, the middle part of the fixed plate is provided with a limiting plate, a gap is reserved between the limiting plates, a movable rod is arranged in the gap and is arranged in an L shape, and the movable rod extends to the inside of the machine body through the opening and is fixedly connected with the movable plate.
The present utility model may be further configured in a preferred example to: the two sides of the movable rod are also provided with extension rods, the two sides of the fixed plate, which are positioned on the movable rod, are also provided with grooves, and the upper parts of the extension rods, which are positioned on the grooves, are also provided with screw rods which penetrate through the extension rods.
The present utility model may be further configured in a preferred example to: the bottom of the groove is correspondingly provided with a thread groove matched with the screw rod.
The utility model has the beneficial effects that:
According to the utility model, the movable rod and the extension rod are arranged, the movable plate is driven to move by the movable rod, so that the ejector rod is driven to adjust the angle of the blade, and the movable rod is fixed by the extension rod and the screw rod, so that the angle of the blade is fixed conveniently and rapidly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the machine body of the present utility model;
FIG. 3 is a schematic view of a front view of a rotary lever according to the present utility model;
Fig. 4 is a schematic view showing the bottom structure of the rotating rod according to the present utility model.
In the figure: 1. a base; 2. a driving motor; 3. a synchronous belt; 5. a fixing seat; 6. a rotating lever; 7. a body; 8. an air inlet; 9. a mounting sleeve; 10. an opening; 11. a fixing plate; 12. a movable rod; 13. an extension rod; 14. a groove; 15. a screw; 16. a fixing ring; 17. a movable plate; 18. a push rod; 19. a fixing ring; 20. a blade; 21. a mounting groove; 22. a spring; 23. and rotating the sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a pneumatic induced draft fan device with adjustable blade angle comprises a base 1, a driving motor 2 and a machine body 7 are arranged on the base 1, a rotating rod 6 is arranged at the rear of the machine body 7, a fixing seat 5 is further arranged on the machine body 7, the rotating rod 6 extends to the inside of the machine body 7 through the fixing seat 5, a synchronous belt 3 is tensioned between an output shaft of the driving motor 2 and a part of the rotating rod 6 located behind the fixing seat 5, an air inlet 8 is arranged at one side of the top end of the machine body 7, a fixed ring 16 is further arranged in the machine body 7, the fixed ring 16 is fixedly connected with the machine body 7, a through hole matched with the rotating rod 6 is formed in the middle of the fixed ring 16, a mounting sleeve 9 is further arranged on the surface of one side of the machine body 7 away from the fixing seat 5, and a moving part is further arranged at the top end of the machine body 7.
The mounting groove 21 has evenly been seted up on the lateral wall of dwang 6, be provided with the pivot in the mounting groove 21, the cover is equipped with the rotation cover 23 in the pivot, be provided with blade 20 on the rotation cover 23, one side that the solid fixed ring 16 was kept away from to blade 20 still is provided with spring 22, spring 22's the other end and the lateral wall fixed connection of mounting groove 21, dwang 6 is located between blade 20 and solid fixed ring 16 still is provided with fly leaf 17 and retainer plate 19, fly leaf 17 is close to solid fixed ring 16 one side setting, the round hole has been seted up to the correspondence blade 20 on the retainer plate 19, the slip is provided with ejector pin 18 in the round hole, the both ends of ejector pin 18 are contradicted with blade 20 and fly leaf 17 respectively and set up, retainer plate 19 and fly leaf 17 all overlap and locate on the dwang 6, and ejector pin 18 corresponds the setting of blade 20.
The top of organism 7 has still seted up opening 10, the organism 7 is located one side of opening 10 and still is provided with fixed plate 11, the middle part of fixed plate 11 is provided with the limiting plate, leave the space between the limiting plate, be provided with movable rod 12 in the space, movable rod 12 is L shape setting, movable rod 12 extends to the inside of organism 7 through opening 10 still with movable plate 17 fixed connection, the both sides of movable rod 12 still are provided with extension rod 13, the both sides that fixed plate 11 is located movable rod 12 still are provided with recess 14, extension rod 13 is located the top of recess 14 still is provided with screw rod 15, screw rod 15 runs through extension rod 13 setting, the screw groove with screw rod 15 looks adaptation has been seted up to the bottom correspondence of recess 14.
The mounting sleeve 9 is sleeved with a pipeline extending to the inside of the machine body 7, and the pipeline covers the blades 20 and the fixing ring 19.
Working principle: when the device is used, the rotating rod 6 is driven to rotate through the driving motor 2, then the blades 20 arranged on the rotating rod 6 are driven to rotate, when the wind speed and the angle of the blades 20 are required to be regulated, the movable rod 12 is pushed to move, then the movable plate 17 connected with the movable rod 12 is driven to move, then the ejector rod 18 is pushed to slide in the round hole of the fixed ring 19, then the rotating angle of the blades 20 is regulated, and the extension rod 13 is fixed through the screw 15 so as to fix the movable rod 12.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a but blade angle's steam-driven draught fan device, includes base (1), a serial communication port, be provided with driving motor (2) and organism (7) on base (1), the rear of organism (7) is provided with dwang (6), still is provided with fixing base (5) on organism (7), dwang (6) pass through inside that fixing base (5) extend to organism (7), the tensioning is provided with hold-in range (3) between the output shaft of driving motor (2) and the part that dwang (6) are located behind fixing base (5), top one side of organism (7) is provided with air intake (8), the inside of organism (7) still is provided with solid fixed ring (16), gu fixed ring (16) and organism (7) fixed connection, and gu the through-hole of being equipped with dwang (6) looks adaptation is seted up to the middle part of gu fixed ring (16), and one side surface that fixing base (5) were kept away from to organism (7) still is provided with installation cover (9), and the top of organism (7) still is provided with the moving part.
2. The pneumatic induced draft fan device with the adjustable blade angle according to claim 1, wherein the installation groove (21) is uniformly formed in the side wall of the rotating rod (6), a rotating shaft is arranged in the installation groove (21), a rotating sleeve (23) is sleeved on the rotating shaft, the rotating sleeve (23) is provided with the blade (20), a spring (22) is further arranged on one side, far away from the fixed ring (16), of the blade (20), and the other end of the spring (22) is fixedly connected with the side wall of the installation groove (21).
3. The pneumatic induced draft fan device with the adjustable blade angle according to claim 2, wherein the rotating rod (6) is located between the blade (20) and the fixed ring (16) and is further provided with a movable plate (17) and a fixed ring (19), the movable plate (17) is arranged close to one side of the fixed ring (16), a round hole is formed in the fixed ring (19) corresponding to the blade (20), a push rod (18) is slidably arranged in the round hole, and two ends of the push rod (18) are respectively in abutting arrangement with the blade (20) and the movable plate (17).
4. A pneumatic induced draft fan device with adjustable blade angle according to claim 3, wherein the movable part comprises an opening (10) fixedly arranged at the top of the machine body (7), the machine body (7) is positioned at one side of the opening (10) and is further provided with a fixed plate (11), the middle part of the fixed plate (11) is provided with a limiting plate, a gap is reserved between the limiting plates, a movable rod (12) is arranged in the gap, the movable rod (12) is in an L-shaped arrangement, and the movable rod (12) extends to the inside of the machine body (7) through the opening (10) and is fixedly connected with the movable plate (17).
5. The blade angle adjustable pneumatic induced draft fan device according to claim 4, wherein the two sides of the movable rod (12) are further provided with extension rods (13), the two sides of the fixed plate (11) located on the movable rod (12) are further provided with grooves (14), the extension rods (13) located above the grooves (14) are further provided with screw rods (15), and the screw rods (15) penetrate through the extension rods (13).
6. The blade angle adjustable pneumatic induced draft fan device according to claim 5, wherein the bottom of the groove (14) is correspondingly provided with a thread groove matched with the screw (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323145833.0U CN221053966U (en) | 2023-11-22 | 2023-11-22 | Pneumatic induced draft fan device capable of adjusting blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323145833.0U CN221053966U (en) | 2023-11-22 | 2023-11-22 | Pneumatic induced draft fan device capable of adjusting blade angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221053966U true CN221053966U (en) | 2024-05-31 |
Family
ID=91206657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323145833.0U Active CN221053966U (en) | 2023-11-22 | 2023-11-22 | Pneumatic induced draft fan device capable of adjusting blade angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221053966U (en) |
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2023
- 2023-11-22 CN CN202323145833.0U patent/CN221053966U/en active Active
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