CN215214013U

CN215214013U - Coaxial metal ferrule enhanced axial flow fan

Info

Publication number: CN215214013U
Application number: CN202120611808.9U
Authority: CN
Inventors: 孔杏玉; 刘同宾; 卢卫平; 赵纪雄
Original assignee: Hangzhou Xue Er Electric Appliance Co ltd
Current assignee: Hangzhou Xue Er Electric Appliance Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-17
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a coaxial ferrule reinforcing formula axial fan, including casing, motor, fan blade and ferrule all are located among the inner chamber of casing, the fan blade is rotated by motor drive, ferrule is located the one side that the motor was kept away from to the fan blade, the free end rotatable coupling of the output shaft of motor is in ferrule, ferrule includes the support column, one side of support column is equipped with the blind hole, the pore wall inner ring of blind hole is around being equipped with the first notch of a plurality of, rotatable coupling has first ball in the first notch. The utility model discloses a set up the support column that has the blind hole in the casing, utilize the first ball of a plurality of in the blind hole pore wall, can play certain support and limiting displacement to the pivot when not influencing pivot pivoted to effectively slow down the wearing and tearing problem of motor, improve the motor to the support intensity of fan blade, prolong the life of fan.

Description

Coaxial metal ferrule enhanced axial flow fan

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of fan, especially a coaxial ferrule reinforcing formula axial fan's technical field.

[ background of the invention ]

The axial flow fan is a machine which increases the gas pressure and discharges the gas by means of the input mechanical energy. The existing fan has the problem that each fan blade has slightly different weight, so that the fan blade easily drives the rotating shaft to slightly vibrate when rotating, and further causes the abrasion of a motor in the fan after long-term use.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, provide a coaxial ferrule reinforcing formula axial fan, can play certain support and limiting displacement to the pivot when not influencing pivot pivoted.

In order to achieve the above object, the utility model provides a coaxial ferrule reinforcing formula axial fan, including casing, motor, fan blade and ferrule all are located among the inner chamber of casing, the fan blade is rotated by motor drive, the ferrule is located the fan blade and keeps away from one side of motor, the free end rotatable coupling of the output shaft of motor is in the ferrule.

Preferably, the shell is cylindrical, and openings at two ends of the shell are detachably sealed by a protective net.

Preferably, the bottom of the shell is provided with a base.

Preferably, the metal ferrule includes a support pillar, a blind hole is formed in one side of the support pillar, a plurality of first recesses are circumferentially formed in a hole wall of the blind hole, a first ball is rotatably connected in the first recesses, and a free end of an output shaft of the motor extends into the blind hole and contacts with the first ball.

Preferably, the metal ferrule further comprises a sleeve, the sleeve is sleeved outside the free end of the output shaft of the motor and is connected with the support column through a fastener, a plurality of second notches are annularly arranged in the hole wall of the sleeve, second balls are rotatably connected in the second notches, and the free end of the output shaft of the motor is in contact with the second balls.

Preferably, the adjacent ends of the supporting column and the sleeve respectively extend outwards to form a first convex wall and a second convex wall, the first convex wall and the second convex wall are respectively provided with a plurality of corresponding first fastening holes and second fastening holes, and the fastening piece penetrates through the corresponding first fastening holes and second fastening holes and is connected with the first convex wall and the second convex wall.

The utility model has the advantages that: the utility model discloses a set up the support column that has the blind hole in the casing, utilize a plurality of first ball in the blind hole pore wall, can play certain support and limiting displacement to the pivot while not influencing the pivot rotation to effectively slow down the wearing and tearing problem of motor, improve the support intensity of motor to the fan blade, prolong the life of fan; through can dismantle the sleeve that the connection has a plurality of second ball on the support column, can be as required, the support length of adjusting the pivot by oneself.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of a coaxial metal ferrule enhanced axial flow fan of the present invention;

fig. 2 is a front view of the coaxial metal ferrule enhanced axial flow fan of the present invention after removing the protective net, the base and the metal ferrule;

fig. 3 is a schematic connection diagram of the casing, the motor, the fan blade and the metal ring of the coaxial metal ring enhanced axial flow fan of the present invention;

fig. 4 is a schematic view of the connection between the metal ring of the coaxial metal ring enhanced axial flow fan and the output shaft of the motor according to the present invention.

In the figure: 1-shell, 2-motor, 3-fan blade, 4-protective screen, 5-base, 6-metal ferrule, 61-support column, 611-blind hole, 612-first ball, 613-first convex wall, 62-sleeve, 621-second ball, 622-second convex wall, 63-fastener.

[ detailed description ] embodiments

Referring to fig. 1 to 4, the utility model relates to a coaxial ferrule reinforcing formula axial fan, including casing 1, motor 2, fan blade 3 and ferrule 6 all are located among the inner chamber of casing 1, fan blade 3 is rotated by the drive of motor 2, ferrule 6 is located fan blade 3 and keeps away from one side of motor 2, the free end rotatable coupling of the output shaft of motor 2 is in ferrule 6.

The shell 1 is cylindrical, and openings at two ends of the shell are detachably sealed by the protective net 4.

The bottom of the shell 1 is provided with a base 5.

The metal ferrule 6 comprises a supporting column 61, a blind hole 611 is formed in one side of the supporting column 61, a plurality of first recesses are circumferentially formed in the hole wall of the blind hole 611, a first ball 612 is rotatably connected in each first recess, and the free end of the output shaft of the motor 2 extends into the blind hole 611 and is in contact with the first ball 612.

The metal ferrule 6 further comprises a sleeve 62, the sleeve 62 is sleeved outside the free end of the output shaft of the motor 2 and is connected with the support column 61 through a fastener 63, a plurality of second notches are formed in the hole wall of the sleeve 62 in an encircling mode, second balls 621 are rotatably connected in the second notches, and the free end of the output shaft of the motor 2 is in contact with the second balls 621.

Adjacent ends of the supporting column 61 and the sleeve 62 extend outward to form a first convex wall 613 and a second convex wall 622 respectively, a plurality of corresponding first fastening holes and second fastening holes are formed in the first convex wall 613 and the second convex wall 622 respectively, and the fastening member 63 penetrates through the corresponding first fastening holes and second fastening holes and connects the first convex wall 613 and the second convex wall 622.

The utility model discloses the working process:

when the motor is installed, the supporting column 61 is fixed on the housing 1 or the protective net 4, and then the free end of the output shaft of the motor 2 is inserted into the blind hole 611. If further stability is required, the sleeve 62 can be sleeved outside the free end of the output shaft of the motor 2, and the support column 61 and the sleeve 62 are connected by a fastener 63.

The utility model discloses a set up the support column that has the blind hole in the casing, utilize a plurality of first ball in the blind hole pore wall, can play certain support and limiting displacement to the pivot while not influencing the pivot rotation to effectively slow down the wearing and tearing problem of motor, improve the support intensity of motor to the fan blade, prolong the life of fan; through can dismantle the sleeve that the connection has a plurality of second ball on the support column, can be as required, the support length of adjusting the pivot by oneself.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a coaxial metal ring reinforcing formula axial fan which characterized in that: the fan blade is characterized by comprising a shell (1), a motor (2), a fan blade (3) and a metal ring (6), wherein the motor (2), the fan blade (3) and the metal ring (6) are all located in an inner cavity of the shell (1), the fan blade (3) is driven by the motor (2) to rotate, the metal ring (6) is located on one side, away from the motor (2), of the fan blade (3), and the free end of an output shaft of the motor (2) is rotatably connected into the metal ring (6).

2. The coaxial metal ferrule enhanced axial flow fan of claim 1, wherein: the shell (1) is cylindrical, and openings at two ends of the shell are detachably sealed by the protective net (4).

3. The coaxial metal ferrule enhanced axial flow fan of claim 1, wherein: the bottom of the shell (1) is provided with a base (5).

4. The coaxial metal ferrule enhanced axial flow fan of claim 1, wherein: the metal ferrule (6) comprises a supporting column (61), a blind hole (611) is formed in one side of the supporting column (61), a plurality of first notches are formed in the wall of the blind hole (611) in an encircling mode, a first ball (612) is connected into each first notch in a rotating mode, and the free end of the output shaft of the motor (2) extends into the blind hole (611) and is in contact with the first ball (612).

5. The coaxial metal ferrule enhanced axial flow fan of claim 4, wherein: the metal ferrule (6) further comprises a sleeve (62), the sleeve (62) is sleeved outside the free end of the output shaft of the motor (2) and is connected with the supporting column (61) through a fastening piece (63), a plurality of second notches are formed in the hole wall of the sleeve (62) in an encircling mode, second balls (621) are rotatably connected in the second notches, and the free end of the output shaft of the motor (2) is in contact with the second balls (621).

6. The coaxial metal ferrule enhanced axial flow fan of claim 5, wherein: adjacent ends of the supporting column (61) and the sleeve (62) extend outwards to form a first convex wall (613) and a second convex wall (622), a plurality of corresponding first fastening holes and second fastening holes are formed in the first convex wall (613) and the second convex wall (622), and the fastening pieces (63) penetrate through the corresponding first fastening holes and second fastening holes and are connected with the first convex wall (613) and the second convex wall (622).