CN219827236U - Centrifugal wind wheel fixing structure - Google Patents
Centrifugal wind wheel fixing structure Download PDFInfo
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- CN219827236U CN219827236U CN202320377497.3U CN202320377497U CN219827236U CN 219827236 U CN219827236 U CN 219827236U CN 202320377497 U CN202320377497 U CN 202320377497U CN 219827236 U CN219827236 U CN 219827236U
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Abstract
The utility model discloses a centrifugal wind wheel fixing structure, which comprises a wind wheel cavity, an air inlet, an outer ring body, connecting blades, an inner ring body, a protection plate, an air inlet hole, a transmission shaft, an air outlet, a motor, a centrifugal wind wheel and a fixing nut, wherein the air inlet is arranged on the outer ring body; the connecting structure composed of the outer ring body, the connecting blades and the inner ring body can ensure that the transmission shafts are simultaneously connected to the centers of two sides of the centrifugal wind wheel, thereby ensuring the stability and reliability of high-speed rotation or long-time work of the centrifugal wind wheel; the connecting blades are arranged in the centrifugal wind wheel and can rotate along with the centrifugal wind wheel, so that external air is facilitated to enter the centrifugal wind wheel, and the flow quantity of the air is improved; the protection plate and the air inlet hole are arranged in the centrifugal wind wheel, so that large sundries can be effectively prevented from entering the centrifugal wind wheel, and in addition, the shaft head at the tail end of the transmission shaft can be limited, so that the stability and the reliability of the transmission shaft are ensured, and the stability and the reliability of the operation of the centrifugal wind wheel are further improved.
Description
Technical field:
the utility model relates to the technical field of fans, in particular to a centrifugal wind wheel fixing structure.
The background technology is as follows:
in the fresh air system, the motor drives the impeller of the centrifugal wind wheel to rotate, whether the fixing mode of the centrifugal wind wheel is reliable or not has decisive effects on the reliability, noise and the like of the fresh air system, and the existing Chinese patent, such as CN 213711417U, discloses a centrifugal wind wheel, a fan, a fresh air device and an air conditioner, but the fixing connection position of the centrifugal wind wheel in the patent is only one, so that the centrifugal wind wheel is easy to generate eccentricity after long time or work is told, and a centrifugal wind wheel fixing structure is needed to solve the problems.
The utility model comprises the following steps:
the utility model aims to solve the problems by providing the centrifugal wind wheel fixing structure, and solves the problem that the centrifugal wind wheel is easy to generate eccentricity after long time or telling work because only one fixing connection position of the centrifugal wind wheel is provided in the prior art.
In order to solve the problems, the utility model provides a technical scheme that: the utility model provides a centrifugal wind wheel fixed knot constructs, includes centrifuge shell, and its innovation point lies in: the wind wheel comprises a wind wheel cavity, an air inlet, an outer ring body, connecting blades, an inner ring body, a protection plate, an air inlet hole, a transmission shaft, an air outlet, a motor, a centrifugal wind wheel and a fixing nut; the wind wheel cavity is arranged in the centrifuge shell, and an air outlet is formed in the right rear side of the wind wheel cavity; the air inlet is formed in the center of the top surface of the wind wheel cavity; the peripheral edges of the protection plates are fixedly connected to the upper side edges of the air inlets, and a plurality of air inlet holes are uniformly formed in the protection plates; the centrifugal wind wheel is movably connected in the wind wheel cavity, and an outer ring body is fixedly connected at an opening at the upper side of the centrifugal wind wheel; the transmission shaft is movably connected to the center of the wind wheel cavity, the tail end of the upper side of the transmission shaft is movably connected to the inside of the center hole of the lower side of the protection plate, the outer part of the upper side of the transmission shaft is connected with the inside of the center of the inner ring body, and the lower side of the transmission shaft is fixedly connected with the center of the lower side of the centrifugal wind wheel through a fixing nut; the inner part of the center of the inner ring body is fixedly connected with the outer part of the upper side of the transmission shaft, and the outer part of the inner ring body is fixedly connected with the inner wall of the outer ring body through a plurality of connecting blades; the motor is fixedly connected to the center of the bottom surface of the shell of the centrifugal machine, and an output shaft on the upper side of the motor is fixedly connected with the center of the lower side of the transmission shaft.
Preferably, the specific structure of the transmission shaft comprises a shaft body, a shaft head, a first connecting surface, external threads, a second connecting surface and a shaft end; the tail end of the upper side of the shaft body is provided with a shaft head, a bearing is arranged between the shaft head and the inside of the central hole on the lower side of the protection plate, the tail end of the lower side of the shaft body is provided with a shaft end, and a plurality of bearings are arranged between the outside of the shaft end and the central hole on the lower side of the centrifuge shell; the first connecting surface is arranged outside the upper side of the shaft body, and the first connecting surface is connected with the inside of the center of the inner ring body; the second connecting surface is arranged outside the lower side of the shaft body and is connected with the inside of the center of the centrifugal wind wheel; the external thread is arranged outside the lower side of the shaft body and is connected with the fixing nut.
Preferably, the first connecting surface and the second connecting surface are hexagonal surfaces.
Preferably, the outer side surface of the outer ring is a conical surface.
The utility model has the beneficial effects that:
(1) The utility model has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and the connecting structure consisting of the outer ring body, the connecting blades and the inner ring body can ensure that the transmission shaft is simultaneously connected at the centers of two sides of the centrifugal wind wheel, thereby ensuring the stability and the reliability of the high-speed rotation or long-time work of the centrifugal wind wheel.
(2) The connecting blades are arranged in the centrifugal wind wheel and can rotate along with the centrifugal wind wheel, so that external air is facilitated to enter the centrifugal wind wheel, and the flow quantity of the air is improved.
(3) The protection plate and the air inlet hole are arranged in the centrifugal wind wheel, so that large sundries can be effectively prevented from entering the centrifugal wind wheel, and in addition, the shaft head at the tail end of the transmission shaft can be limited, so that the stability and the reliability of the transmission shaft are ensured, and the stability and the reliability of the operation of the centrifugal wind wheel are further improved.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a transmission shaft.
1-a centrifuge housing; 2-a wind wheel cavity; 3-an air inlet; 4-an outer ring body; 5-connecting the blades; 6-an inner ring body; 7-protecting plates; 8-an air inlet hole; 9-a transmission shaft; 10-an air outlet; 11-an electric motor; 12-centrifuging a wind wheel; 13-fixing the nut; 91-a shaft body; 92-shaft heads; 93-connection face one; 94-external threads; 95-connecting surface II; -96 axial ends.
The specific embodiment is as follows:
example 1
As shown in fig. 1, the present embodiment adopts the following technical scheme: the centrifugal wind wheel fixing structure comprises a centrifugal machine shell 1, a wind wheel cavity 2, an air inlet 3, an outer ring body 4, connecting blades 5, an inner ring body 6, a protection plate 7, an air inlet hole 8, a transmission shaft 9, an air outlet 10, a motor 11, a centrifugal wind wheel 12 and a fixing nut 13; the wind wheel cavity 2 is arranged in the centrifuge shell 1, and an air outlet 10 is formed in the right rear side of the wind wheel cavity 2; the air inlet 3 is formed in the center of the top surface of the wind wheel cavity 2; the peripheral edges of the protection plate 7 are fixedly connected to the upper side edge of the air inlet 3, and a plurality of air inlet holes 8 are uniformly formed in the protection plate 7; the centrifugal wind wheel 12 is movably connected inside the wind wheel cavity 2, and an outer ring body 4 is fixedly connected at an opening at the upper side of the centrifugal wind wheel 12; the transmission shaft 9 is movably connected to the center of the wind wheel cavity 2, the tail end of the upper side of the transmission shaft 9 is movably connected to the inside of a center hole of the lower side of the protection plate 7, the outer part of the upper side of the transmission shaft 9 is connected with the inside of the center of the inner ring body 6, and the lower side of the transmission shaft 9 is fixedly connected with the center of the lower side of the centrifugal wind wheel 12 through a fixing nut 13; the inner part of the center of the inner ring body 6 is fixedly connected with the outer part of the upper side of the transmission shaft 9, and the outer part of the inner ring body 6 is fixedly connected with the inner wall of the outer ring body 4 through a plurality of connecting blades 5; the motor 11 is fixedly connected to the center of the bottom surface of the centrifuge shell 1, and an output shaft on the upper side of the motor 11 is fixedly connected with the center of the lower side of the transmission shaft 9.
Example 2
As shown in fig. 1, the present embodiment adopts the following technical scheme: the centrifugal wind wheel fixing structure comprises a centrifugal machine shell 1, a wind wheel cavity 2, an air inlet 3, an outer ring body 4, connecting blades 5, an inner ring body 6, a protection plate 7, an air inlet hole 8, a transmission shaft 9, an air outlet 10, a motor 11, a centrifugal wind wheel 12 and a fixing nut 13; the wind wheel cavity 2 is arranged in the centrifuge shell 1, and an air outlet 10 is formed in the right rear side of the wind wheel cavity 2; the air inlet 3 is formed in the center of the top surface of the wind wheel cavity 2; the peripheral edges of the protection plate 7 are fixedly connected to the upper side edge of the air inlet 3, and a plurality of air inlet holes 8 are uniformly formed in the protection plate 7; the centrifugal wind wheel 12 is movably connected inside the wind wheel cavity 2, and an outer ring body 4 is fixedly connected at an opening at the upper side of the centrifugal wind wheel 12; the transmission shaft 9 is movably connected to the center of the wind wheel cavity 2, the tail end of the upper side of the transmission shaft 9 is movably connected to the inside of a center hole of the lower side of the protection plate 7, the outer part of the upper side of the transmission shaft 9 is connected with the inside of the center of the inner ring body 6, and the lower side of the transmission shaft 9 is fixedly connected with the center of the lower side of the centrifugal wind wheel 12 through a fixing nut 13; the inner part of the center of the inner ring body 6 is fixedly connected with the outer part of the upper side of the transmission shaft 9, and the outer part of the inner ring body 6 is fixedly connected with the inner wall of the outer ring body 4 through a plurality of connecting blades 5; the motor 11 is fixedly connected to the center of the bottom surface of the centrifuge shell 1, and an output shaft on the upper side of the motor 11 is fixedly connected with the center of the lower side of the transmission shaft 9.
As shown in fig. 2, the specific structure of the transmission shaft 9 includes a shaft body 91, a shaft head 92, a first connecting surface 93, an external thread 94, a second connecting surface 95 and a shaft end 96; the tail end of the upper side of the shaft body 91 is provided with a shaft head 92, a bearing is arranged between the shaft head 92 and the inside of the central hole of the lower side of the protection plate 7, the tail end of the lower side of the shaft body 91 is provided with a shaft end 96, and a plurality of bearings are arranged between the outside of the shaft end 96 and the central hole of the lower side of the centrifuge shell 1; the first connecting surface 93 is arranged outside the upper side of the shaft body 91, and the first connecting surface 93 is connected with the inside of the center of the inner ring body 6; the second connecting surface 95 is arranged outside the lower side of the shaft body 91, and the second connecting surface 95 is connected with the inside of the center of the centrifugal wind wheel 12; the external thread 94 is located on the upper side of the second connecting surface 95, the external thread 94 is arranged on the outer side of the lower side of the shaft body 91, and the external thread 94 is connected with the fixing nut 13.
Wherein, the first connecting surface 93 and the second connecting surface 95 are hexagonal surfaces, thereby facilitating the installation and connection and driving the centrifugal wind wheel 12 to rotate; the outer side surface of the outer ring body 4 is a conical surface, so that wind resistance is reduced.
The use state of the utility model is as follows: the centrifugal wind wheel 12 is driven to rotate by the motor 11 through the transmission shaft 9 when the centrifugal wind wheel 12 is used, so that air can enter the centrifugal wind wheel 12 through the air inlet 8 and the connecting blades 5, then the air is conveyed into the air outlet 10 through the centrifugal wind wheel 12 rotating at high speed, the connecting structure consisting of the outer ring body 4, the connecting blades 5 and the inner ring body 6 can ensure that the transmission shaft 9 is simultaneously connected to the centers of two sides of the centrifugal wind wheel 12, thereby ensuring the stability and the reliability of high-speed rotation or long-time work of the centrifugal wind wheel 12, the connecting blades 5 are arranged and can rotate along with the centrifugal wind wheel 12, thereby facilitating the entry of external air into the centrifugal wind wheel 12, improving the flow quantity of the air, and the arranged protection plate 7 and the air inlet 8 can effectively prevent large sundries from entering the inside the centrifugal wind wheel 12.
The control mode of the utility model is controlled by manual starting or by the existing automation technology, the wiring diagram of the power element and the supply of the power source are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a centrifugal wind wheel fixed knot constructs, includes centrifuge shell (1), its characterized in that: the wind wheel comprises a wind wheel cavity (2), an air inlet (3), an outer ring body (4), connecting blades (5), an inner ring body (6), a protection plate (7), an air inlet (8), a transmission shaft (9), an air outlet (10), a motor (11), a centrifugal wind wheel (12) and a fixing nut (13);
the wind wheel cavity (2) is arranged in the centrifuge shell (1), and an air outlet (10) is formed in the right rear side of the wind wheel cavity (2);
the air inlet (3) is formed in the center of the top surface of the wind wheel cavity (2);
the peripheral edges of the protection plate (7) are fixedly connected to the upper side edge of the air inlet (3), and a plurality of air inlet holes (8) are uniformly formed in the protection plate (7);
the centrifugal wind wheel (12) is movably connected inside the wind wheel cavity (2), and an outer ring body (4) is fixedly connected to an opening at the upper side of the centrifugal wind wheel (12);
the transmission shaft (9) is movably connected to the center of the wind wheel cavity (2), the tail end of the upper side of the transmission shaft (9) is movably connected to the inside of a central hole of the lower side of the protection plate (7), the outer part of the upper side of the transmission shaft (9) is connected with the inner part of the center of the inner ring body (6), and the lower side of the transmission shaft (9) is fixedly connected with the center of the lower side of the centrifugal wind wheel (12) through a fixing nut (13);
the inner part of the center of the inner ring body (6) is fixedly connected with the outer part of the upper side of the transmission shaft (9), and the outer part of the inner ring body (6) is fixedly connected with the inner wall of the outer ring body (4) through a plurality of connecting blades (5);
the motor (11) is fixedly connected to the center of the bottom surface of the centrifuge shell (1), and an output shaft at the upper side of the motor (11) is fixedly connected with the center of the lower side of the transmission shaft (9).
2. A centrifugal wind wheel fixing structure according to claim 1, wherein: the specific structure of the transmission shaft (9) comprises a shaft body (91), a shaft head (92), a first connecting surface (93), external threads (94), a second connecting surface (95) and a shaft end (96);
the tail end of the upper side of the shaft body (91) is provided with a shaft head (92), a bearing is arranged between the shaft head (92) and the inside of the central hole on the lower side of the protection plate (7), the tail end of the lower side of the shaft body (91) is provided with a shaft end (96), and a plurality of bearings are arranged between the outside of the shaft end (96) and the central hole on the lower side of the centrifuge shell (1);
the first connecting surface (93) is arranged outside the upper side of the shaft body (91), and the first connecting surface (93) is connected with the inside of the center of the inner ring body (6);
the second connecting surface (95) is arranged outside the lower side of the shaft body (91), and the second connecting surface (95) is connected with the inside of the center of the centrifugal wind wheel (12);
the external thread (94) is arranged on the upper side of the second connecting surface (95), the external thread (94) is arranged on the outer side of the lower side of the shaft body (91), and the external thread (94) is connected with the fixing nut (13).
3. A centrifugal wind wheel fixing structure according to claim 2, wherein: the first connecting surface (93) and the second connecting surface (95) are hexagonal surfaces.
4. A centrifugal wind wheel fixing structure according to claim 1, wherein: the outer side surface of the outer ring body (4) is a conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320377497.3U CN219827236U (en) | 2023-03-03 | 2023-03-03 | Centrifugal wind wheel fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320377497.3U CN219827236U (en) | 2023-03-03 | 2023-03-03 | Centrifugal wind wheel fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827236U true CN219827236U (en) | 2023-10-13 |
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ID=88277290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320377497.3U Active CN219827236U (en) | 2023-03-03 | 2023-03-03 | Centrifugal wind wheel fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827236U (en) |
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2023
- 2023-03-03 CN CN202320377497.3U patent/CN219827236U/en active Active
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