CN218493869U

CN218493869U - Impeller top cap

Info

Publication number: CN218493869U
Application number: CN202222832203.XU
Authority: CN
Inventors: 周红波
Original assignee: Suzhou Zhiyide Intelligent Technology Co ltd
Current assignee: Suzhou Zhiyide Intelligent Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-17
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses an impeller top cover, which comprises a top cover base plate; a central transmission hole is formed in the central part of the upper surface of the top cover substrate; the central transmission hole is used for mounting an output shaft of a motor; the motor is arranged in the main body, and an output shaft of the motor penetrates through the main body and then is connected with the central transmission hole; the upper surface of the top cover substrate is provided with regularly arranged spiral top cover convex ribs; in the working process, gas between the upper surface of the top cover substrate and the main body can be thrown outwards along the airflow channel between the adjacent spiral top cover convex ribs; the utility model discloses in the course of the work, because centrifugal force's existence, the gas between the upper surface of top cap base plate and the main part also can be thrown away outwards along the air current passageway between the protruding muscle of adjacent heliciform top cap, and the gas of avoiding between the upper surface of top cap base plate and the main part can get into the impeller through central transmission hole, has prevented the formation of this wind against the current, has avoided the loss of efficiency.

Description

Impeller top cap

Technical Field

The utility model belongs to the technical field of the fan for the dust catcher and accessory technique and specifically relates to an in the course of the work, the gaseous impeller top cap that is thrown away outwards that also can follow the airflow channel between the protruding muscle of adjacent heliciform top cap is followed to the upper surface of top cap base plate and main part.

Background

The working principle of the dust collector is that a fan of the dust collector rotates at a high speed, air is sucked from a suction inlet, a dust barrel generates certain vacuum, dust enters the dust barrel and is separated out, and clean air flow is discharged through the fan; when the air conditioner works, air flow thrown out from the space between the adjacent spiral blades firstly touches the side wall of the groove on the upper surface of the air inlet base and then climbs, and after the air flow overturns the side wall, the air flow is discharged from the air outlet holes uniformly distributed on the air outlet cover; the fan increases the path of the airflow, and also has the problem of changing the advancing direction of the airflow, thereby causing energy loss and simultaneously having large noise; in addition, the cross section of the impeller base plate of the impeller is horizontal and even upwarps, namely, the cross section is kept horizontal from the central through hole of the impeller and even gradually raised to a height; this will cause the cross-sectional area of the air flow channel between the adjacent helical blades to remain unchanged, even decrease gradually, the air flow will not change with the change of the cross-sectional area of the air flow channel between the adjacent helical blades, even increase the speed, the noise will increase; in addition, the gas between the top cover base plate upper surface and the main body can enter the impeller through the central drive hole, creating a counter-current wind that loses efficiency.

Therefore, the impeller top cover is developed, and in the working process, gas between the upper surface of the top cover base plate and the main body is thrown outwards along the gas flow channel between the adjacent spiral top cover convex ribs.

Disclosure of Invention

The utility model aims at overcoming prior art's not enough and provide an in the working process, the gaseous impeller top cap that is thrown away outwards that also can follow the air flow channel between the protruding muscle of adjacent heliciform top cap is followed to the gas between the upper surface of top cap base plate and the main part.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an impeller head cover comprises a head cover base plate; a central transmission hole is formed in the central part of the upper surface of the top cover substrate; the central transmission hole is used for mounting an output shaft of a motor; the motor is arranged in the main body, and an output shaft of the motor penetrates through the main body and then is connected with the central transmission hole; the upper surface of the top cover substrate is provided with regularly arranged spiral top cover convex ribs; during operation, gas between the upper surface of the top cover substrate and the main body is also thrown outwards along the gas flow channels between the adjacent spiral top cover ribs.

Preferably, the upper surface of the top cover substrate is provided with regularly arranged spiral top cover grooves; the top cover groove is used for inserting the top of the blade on the impeller matched with the impeller top cover.

Preferably, the top cover convex ribs correspond to the top cover grooves one to one and are arranged oppositely.

Preferably, the impeller applied to the impeller top cover comprises an impeller base plate; the central part of the impeller base plate is provided with a central through hole; the upper surface of the impeller base plate is provided with regularly-arranged spiral blades; the air flow entering from the central through hole can be thrown outwards from the air flow channel between the adjacent spiral blades; the cross section of the impeller base plate is inclined and gradually reduces in height from the central through hole.

Preferably, the cross section of the impeller base plate forms an included angle of 0-45 degrees with the horizontal plane.

Preferably, the fan used for the impeller top cover comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover; the central air guide hole of the air inlet base is at least partially inserted into the central through hole on the impeller; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.

Preferably, the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is positioned above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals.

Preferably, the connecting blocks are uniformly distributed.

Preferably, the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.

Preferably, after assembly, the highest point of the periphery of the upper surface of the air intake base is not higher than half of the height of the helical blade on the impeller.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the top cover base plate in the impeller top cover of the utility model is provided with regularly arranged spiral top cover convex ribs on the upper surface; in the working process, due to the existence of centrifugal force, gas between the upper surface of the top cover base plate and the main body can be thrown outwards along the airflow channel between the adjacent spiral top cover convex ribs, so that the gas between the upper surface of the top cover base plate and the main body is prevented from entering the impeller through the central transmission hole, the formation of the countercurrent wind is prevented, and the loss of efficiency is avoided.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a first angle enlarged perspective view of an impeller top cover according to the present invention;

fig. 2 is a second angle enlarged perspective view of the impeller head cover according to the present invention;

fig. 3 is a third angle enlarged perspective view of the impeller head cover according to the present invention;

fig. 4 is a three-dimensional enlarged view of an impeller applied to the impeller top cover according to the present invention;

FIG. 5 is a cross-sectional view of FIG. 4;

fig. 6 is a three-dimensional structure diagram of a fan with an impeller top cover according to the present invention;

fig. 7 is a front view of a fan with an impeller top cover according to the present invention;

FIG. 8 is a cross-sectional view of FIG. 7;

fig. 9 is a perspective view of a fan with an impeller top cover according to the present invention at a first angle after a wind outlet cover is removed;

fig. 10 is a perspective view of a fan with an impeller top cover according to the present invention at a second angle after the air outlet cover is removed;

fig. 11 is a three-dimensional enlarged view of a fan bracket to which the impeller top cover of the present invention is applied;

wherein: 1. a main body; 2. an air inlet base; 3. a support; 4. a motor; 5. an impeller head cover; 6. an impeller; 7. an air outlet cover; 8. a first seal ring; 9. a second seal ring; 31. an upper connecting portion; 32. a lower connecting portion; 33. connecting blocks; 51. a top cover substrate; 52. a top cover convex rib; 53. a central drive bore; 54. a top cover groove; 61. an impeller base plate; 62. a blade; 63. a central through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-11, the impeller top cover of the present invention includes a top cover base plate 51; a central transmission hole 53 is formed in the central part of the upper surface of the top cover substrate 51; the central transmission hole 53 is used for mounting an output shaft (not shown) of the motor 4; the motor 4 is arranged in the main body 1, and an output shaft of the motor 4 passes through the main body 1 and then is connected with the central transmission hole 53; the upper surface of the top cover substrate 51 is provided with regularly arranged spiral top cover convex ribs 52; in the working process, due to the existence of centrifugal force, the gas between the upper surface of the top cover base plate 51 and the main body 1 is thrown outwards along the gas flow channel between the adjacent spiral top cover convex ribs 52, so that the gas between the upper surface of the top cover base plate 51 and the main body 1 is prevented from entering the impeller 6 through the central transmission hole 53, the formation of the countercurrent wind is prevented, and the loss of efficiency is avoided; the upper surface of the top cover substrate 51 is provided with regularly arranged spiral top cover grooves 54; the tip cap groove 54 is used to receive the tip of the blade 62 on the impeller 6 that mates with the impeller tip cap.

In this embodiment, the top cover ribs 52 correspond to the top cover grooves 54 one by one, and are arranged opposite to each other.

The impeller 6 comprises an impeller base plate 61; the central part of the impeller base plate 61 is provided with a central through hole 63; the upper surface of the impeller base plate 61 is provided with regularly arranged helical blades 62; the air flow entering from the central through hole 63 can be thrown outwards from the air flow channel between the adjacent helical blades 62; the impeller base plate 61 is inclined in cross section and gradually decreases in height from the central through hole 63.

In this embodiment, the cross section of the impeller base plate 61 forms an angle of 0 to 45 ° with the horizontal plane, and the most preferable angle is 15 °.

The fan applied to the top cover of the impeller comprises a main body 1, an air inlet base 2 and an air outlet cover 7; the main body 1 is connected with the air inlet base 2 through a bracket 3; the main body 1 is used for mounting a motor 4; the impeller top cover 5 is arranged inside the bracket 3; an output shaft of the motor 4 is connected with the impeller top cover 5 and used for driving the impeller top cover 5 to rotate; the impeller 6 is fixed on the lower surface of the impeller top cover 5 and rotates along with the impeller top cover 5; a central air guide hole (not marked) of the air inlet base 2 is at least partially inserted into a central through hole 63 on the impeller 6; the main part 1 and the air inlet base 2 are arranged in the air outlet cover 7, the main part 1 and the air outlet cover 7 are sealed by a second sealing ring 9, and the air inlet base 2 and the air outlet cover 7 are sealed by a first sealing ring 8.

The bracket 3 comprises an upper connecting part 31 and a lower connecting part 32; the upper connecting part 31 is positioned above the lower connecting part 32, and the upper connecting part 31 and the lower connecting part 32 are connected through connecting blocks 33 arranged at intervals; the connecting blocks 33 are uniformly distributed; in the present embodiment, the upper connecting portion 31 has an annular shape; the lower connecting portion 32 is also annular; the connecting blocks 33 are 4 and uniformly distributed.

After assembly, the highest point of the periphery of the upper surface of the air intake base 2 is not higher than half of the height of the helical blade 62 on the impeller 6.

Specifically, when the air conditioner works, external air flow enters from a central air guide hole in the middle of the lower surface of the air inlet base 2, is thrown out from between adjacent spiral blades after being stirred by the impeller 6, and after the air conditioner is assembled, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades; most of the air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover 7, namely, the bracket 3 hardly blocks the advancing direction of the air flow thrown out from the adjacent spiral blades and hardly forces the air flow thrown out from the adjacent spiral blades to change the original advancing direction, namely, the route of the air flow is direct, shortest and almost without blocking, so that the efficiency is high and the noise is low; meanwhile, the cross section of the impeller base plate 61 is inclined, and the height of the impeller base plate is gradually reduced from the central through hole 63, so that the cross section area of the airflow channel between the adjacent spiral blades 62 is gradually increased, and during operation, the speed of the airflow is reduced along with the increase of the cross section area of the airflow channel, and the noise is reduced; in addition, in the working process, due to the existence of centrifugal force, the gas between the upper surface of the top cover base plate 51 and the main body 1 is thrown outwards along the gas flow channel between the adjacent spiral top cover convex ribs 52, so that the gas between the upper surface of the top cover base plate 51 and the main body 1 is prevented from entering the impeller 6 through the central transmission hole 53, the formation of the countercurrent wind is prevented, and the loss of efficiency is avoided.

the top cover base plate 51 in the impeller top cover of the utility model is provided with a spiral top cover convex rib 52 which is regularly arranged; in the working process, due to the existence of centrifugal force, the gas between the upper surface of the top cover base plate 51 and the main body 1 can be thrown outwards along the airflow channel between the adjacent spiral top cover convex ribs 52, so that the gas between the upper surface of the top cover base plate 51 and the main body 1 is prevented from entering the impeller 6 through the central transmission hole 53, the formation of the countercurrent wind is prevented, and the loss of efficiency is avoided.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An impeller head cover comprises a head cover base plate; a central transmission hole is formed in the central part of the upper surface of the top cover substrate; the central transmission hole is used for mounting an output shaft of a motor; the motor is arranged in the main body, and an output shaft of the motor penetrates through the main body and then is connected with the central transmission hole; the method is characterized in that: the upper surface of the top cover substrate is provided with regularly arranged spiral top cover convex ribs; during operation, gas between the upper surface of the top cover substrate and the main body is also thrown outwards along the gas flow channels between the adjacent spiral top cover ribs.

2. The impeller header of claim 1, wherein: the upper surface of the top cover substrate is provided with regularly arranged spiral top cover grooves; the top cover groove is used for inserting the top of the blade on the impeller matched with the impeller top cover.

3. The impeller header of claim 2, wherein: the top cover convex ribs correspond to the top cover grooves one to one and are arranged just opposite to each other.

4. An impeller header according to claim 1, 2 or 3, wherein: the impeller applied to the impeller top cover comprises an impeller base plate; the central part of the impeller base plate is provided with a central through hole; the upper surface of the impeller base plate is provided with regularly-arranged spiral blades; the air flow entering from the central through hole can be thrown outwards from the air flow channel between the adjacent spiral blades; the cross section of the impeller base plate is inclined and gradually reduces in height from the central through hole.

5. The impeller header of claim 4, wherein: the included angle between the cross section of the impeller base plate and the horizontal plane is 0-45 degrees.

6. The impeller header of claim 5, wherein: the fan used for the impeller top cover comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover; the central air guide hole of the air inlet base is at least partially inserted into the central through hole on the impeller; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.

7. The impeller header of claim 6, wherein: the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is positioned above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals.

8. The impeller header of claim 7, wherein: the connecting blocks are uniformly distributed.

9. The impeller header of claim 7, wherein: the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.

10. The impeller header of claim 6, wherein: after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.