CN203243155U

CN203243155U - Fan motor

Info

Publication number: CN203243155U
Application number: CN 201320306251
Authority: CN
Inventors: 张建洪; 黄诗涌; 高攀攀; 朱建民
Original assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Current assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2013-10-16
Anticipated expiration: 2023-05-30

Abstract

The utility model discloses a fan motor suitable for using environments requiring a high waterproof grade so as to ensure the performance of the fan motor in using environments requiring a high waterproof grade. The fan motor comprises a cast iron housing (1), a plastic cover (2), a rotating shaft (3) and a connecting rod (4) which is arranged in the end part of the rotating shaft (3), wherein the cast iron housing (1) and the plastic cover (2) are axially assembled together along the rotating shaft (3), the plastic cover (2) is provided with a hole for the end part of the rotating shaft (3) to extend out, the end part of the rotating shaft (3) is used for being connected with a wind turbine, the connecting rod (4) is provided with threads, and the connecting rod (4) is used for axially locking the wind turbine. The fan motor further comprises a waterproof cover (5) covering the end part of the rotating shaft (3); the waterproof cover (5) is provided with a first axial hole and a second axial hole which is used for exposing one end of the connecting rod (4); the end face of the end part of the rotating shaft (3) is provided with an axial bulge (9) matched with the first axial hole; and a portion, used for contacting the wind turbine, of the waterproof cover (5) is provided with a first vibration isolation pad (6).

Description

Electric machine for fan

Technical field

The utility model relates to the blower fan technical field, specifically is a kind of electric machine for fan.

Background technology

A kind of electric machine for fan is arranged at present, it comprises cast housing, plastic jacket, rotating shaft, is located at the connecting rod of roller end, cast housing and plastic jacket axially are assembled together along rotating shaft, plastic jacket is provided with the hole and stretches out for roller end, roller end is used for connecting wind wheel, and connecting rod is provided with screw thread, and connecting rod is used for axially locking wind wheel, because said structure only can reach the IPx4 classification of waterproof, so be not suitable for the environment for use of the higher classification of waterproof requirement of requirement.

The utility model content

The technical problems to be solved in the utility model is, a kind of electric machine for fan that is applicable to require the environment for use of high classification of waterproof requirement is provided, thereby ensures that electric machine for fan requires performance in the environment for use at high classification of waterproof.

The technical solution of the utility model is, the utility model electric machine for fan, it comprises cast housing, plastic jacket, rotating shaft, be located at the connecting rod of roller end, cast housing and plastic jacket axially are assembled together along rotating shaft, plastic jacket is provided with the hole and stretches out for roller end, roller end is used for connecting wind wheel, connecting rod is provided with screw thread, connecting rod is used for axially locking wind wheel, it also comprises the waterproof cover that roller end is covered, waterproof cover is provided with the first axial hole, for the second axial hole that connecting rod one end exposes, the end face of roller end is provided with the axial projection that cooperates with the first axial hole; The part that waterproof cover is used for contacting with wind wheel is provided with the first vibration isolator.

After adopting said structure, the utility model compared with prior art, have the following advantages: because it also comprises the waterproof cover that roller end is covered, the second axial hole that waterproof cover is provided with the first axial hole, supplies connecting rod one end to expose, the end face of roller end is provided with the axial projection that cooperates with the first axial hole; The part that waterproof cover is used for contacting with wind wheel is provided with the first vibration isolator, like this, when not affecting the motor self performance, carry out waterproof by waterproof cover, make classification of waterproof of the present utility model can reach IPx6, so the utlity model has the advantage of the environment for use that is applicable to require high classification of waterproof requirement, thereby ensure that electric machine for fan requires performance in the environment for use at high classification of waterproof.

As improvement, waterproof cover is the truncated cone-shaped lid, and the inner top surface of truncated cone-shaped lid and the end face of roller end are affixed; The part that waterproof cover is used for contacting with wind wheel is the outer end face of truncated cone-shaped lid, and the first axial hole, the second axial hole all are positioned at outer top surface areas, and like this, truncated cone-shaped is can water guide faster, more is conducive to the raising of the utility model water resistance.

As improvement, waterproof cover is aluminium lid, and like this, aluminium lid is corrosion-resistant, and intensity is good, and long service life more is conducive to the raising of the utility model life-span and reliability.

As improvement, be provided with the second vibration isolator between the end face of waterproof cover and roller end, like this, have better vibration isolating effect, more be conducive to the raising of the utility model life-span and reliability.

Description of drawings

Fig. 1 is the structural representation behind the aluminium lid of shedding of the utility model electric machine for fan.

Fig. 2 is the structural representation behind the aluminium lid loaded onto of the utility model electric machine for fan.

Fig. 3 is the structural representation behind the first vibration isolator loaded onto of the utility model electric machine for fan.

Shown in the figure, 1, cast housing, 2, plastic jacket, 3, rotating shaft, 4, connecting rod, 5, waterproof cover, the 6, first vibration isolator, 7, outer end face, the 8, second vibration isolator, 9, axial projection, 10, elastic.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

The utility model electric machine for fan, it comprises cast housing 1, plastic jacket 2, rotating shaft 3, be located at the connecting rod 4 of rotating shaft 3 ends, cast housing 1 axially is assembled together along rotating shaft 3 with plastic jacket 2, plastic jacket 2 is provided with the hole and stretches out for rotating shaft 3 ends, rotating shaft 3 ends are used for connecting wind wheel, connecting rod 4 is provided with screw thread, connecting rod 4 is used for axially locking wind wheel, it also comprises the waterproof cover 5 that rotating shaft 3 ends are covered, waterproof cover 5 is provided with the first axial hole, for the second axial hole that connecting rod 4 one ends expose, the end face of rotating shaft 3 ends is provided with the axial projection 9 that cooperates with the first axial hole; The part that waterproof cover 5 is used for contacting with wind wheel is provided with the first vibration isolator 6.

Waterproof cover 5 is the truncated cone-shaped lid, and the end face of the inner top surface of truncated cone-shaped lid and rotating shaft 3 ends is affixed; The part that waterproof cover 5 is used for contacting with wind wheel is that outer end face 7, the first axial holes, second axial hole of truncated cone-shaped lid all is positioned at outer end face 7 zones.

Waterproof cover 5 is aluminium lid.

Be provided with the second vibration isolator 8, the second vibration isolators 8 between the end face of waterproof cover 5 and rotating shaft 3 ends and also be provided with the hole of exposing for axial projection 9, connecting rod 4 one ends.

There is the elastic 10 of four projections in the circumferentially equal section in the first vibration isolator 6 surfaces, is used for further vibration isolation.

Claims

1. electric machine for fan, it comprises cast housing (1), plastic jacket (2), rotating shaft (3), be located at the connecting rod (4) of rotating shaft (3) end, cast housing (1) axially is assembled together along rotating shaft (3) with plastic jacket (2), plastic jacket (2) is provided with the hole and stretches out for rotating shaft (3) end, rotating shaft (3) end is used for connecting wind wheel, connecting rod (4) is provided with screw thread, connecting rod (4) is used for axially locking wind wheel, it is characterized in that, it also comprises the waterproof cover (5) that rotating shaft (3) end is covered, waterproof cover (5) is provided with the first axial hole, for the second axial hole that connecting rod (4) one ends expose, the end face of rotating shaft (3) end is provided with the axial projection (9) that cooperates with the first axial hole; The part that waterproof cover (5) is used for contacting with wind wheel is provided with the first vibration isolator (6).

2. electric machine for fan according to claim 1 is characterized in that, waterproof cover (5) is the truncated cone-shaped lid, and the end face of the inner top surface of truncated cone-shaped lid and rotating shaft (3) end is affixed; The part that waterproof cover (5) is used for contacting with wind wheel is the outer end face (7) of truncated cone-shaped lid, and the first axial hole, the second axial hole all are positioned at outer end face (7) zone.

3. electric machine for fan according to claim 1 is characterized in that, waterproof cover (5) is aluminium lid.

4. electric machine for fan according to claim 1 is characterized in that, is provided with the second vibration isolator (8) between the end face of waterproof cover (5) and rotating shaft (3) end.