CN2321157Y

CN2321157Y - Motor bearing-ring device

Info

Publication number: CN2321157Y
Application number: CN 98209016
Authority: CN
Inventors: 洪银树
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 1998-02-13
Filing date: 1998-02-13
Publication date: 1999-05-26
Anticipated expiration: 2008-02-13

Abstract

The utility model relates to a motor bearing-ring device. The utility model is composed of the bearing ring structure and elastic material which is arranged in the bearing ring structure; the elastic material is adjacently connected with a bearing; the elastic material can largely absorb noise and vibration which are generated when a motor is operated. The utility model comprises a stator seat, a supporter, the bearing and a rotor, wherein, the stator seat is provided with a hollow shaft tube; the supporter is sheathed with an elastic element which the both ends are extended by the supporter into a contact section, and the supporter which is sheathed with the elastic element is arranged in the hollow shaft tube; the bearing is arranged on the contact section; the rotor is provided with a shaft center which is fixedly pivoted with the bearing, the supporter and the elastic element.

Description

Motor sleeve bearing device

The utility model relates to a kind of Motor sleeve bearing device.

The bearing collar of existing radiator fan motor is merely a copper ring, one compression spring is set in the bearing top again, the tension force that utilizes spring to derive, the assembly gap that increases the clearance distance between flabellum and bearing and reduce element in the bearing holder (housing, cover), air gap friction during with the minimizing fan running, moreover the vibration wave that produced also can absorb motor running time of the elastic telescopic characteristic of utilizing spring, slow down oscillation phenomenon and noise.

Be difficult for because existing spring structure makes to make to assemble, and the vibration wave that spring absorbs is also limited, the noise and vibration phenomenon when therefore failing to improve motor running fully.

The purpose of this utility model is to provide a kind of Motor sleeve bearing device, utilize elastomeric material, preferable with materials such as rubber, silica gels especially, the characteristics that can absorb noise and vibration wave in a large number replace existing spring, and directly synthesize with the assembling of the bearing collar, with convenient for assembly, and can produce in batches.

The purpose of this utility model is achieved in that promptly provides a kind of Motor sleeve bearing device, and it comprises: a stator seat has a hollow axle tube; One supporter covers a flexible member, and described flexible member extends into contact site by the supporter two ends, and the described supporter that covers flexible member is located in the described hollow axle tube; One bearing is located on the described contact site; One rotor has an axle center, and described axle center articulates is fixed in described bearing, supporter and flexible member.

The utility model provides a kind of Motor sleeve bearing device in addition, and it comprises: a stator seat has a hollow axle tube; One supporter is located in the described hollow axle tube; Two bearings are located at the opposite end of described supporter respectively; One flexible member, on the bearing that is placed in one, and relative with described supporter; One rotor has an axle center, and described axle center articulates is fixed in described flexible member, bearing and supporter.

The utility model provides a kind of Motor sleeve bearing device again, and it comprises: a stator seat has a hollow axle tube; One bearing is located in the described hollow axle tube; One flexible member places on the described bearing; One rotor has an axle center, and described axle center articulates is fixed in described flexible member and bearing.

The advantage of the utility model device is, by the shock-absorbing properties of elastomeric material, and noise that produces when alleviating motor running and oscillation phenomenon.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the combination section of existing fan motor;

Fig. 2 is the combination section of first specific embodiment of the present utility model;

Fig. 3 is the combination section of second specific embodiment of the present utility model;

Fig. 4 is the combination section of the 3rd specific embodiment of the present utility model;

Fig. 5 is the combination section of the 4th specific embodiment of the present utility model;

Fig. 6 is the combination section of the 5th specific embodiment of the present utility model;

Fig. 7 is the vertical view of first embodiment of flexible member of the present utility model;

Fig. 8 is the profile of first embodiment of flexible member of the present utility model;

Fig. 9 is the vertical view of second embodiment of flexible member of the present utility model;

Figure 10 is the profile of second embodiment of flexible member of the present utility model;

Figure 11 is the vertical view of the 3rd embodiment of flexible member of the present utility model;

Figure 12 is the profile of the 3rd embodiment of flexible member of the present utility model.

See also shown in Figure 1ly, the rotor structure of existing radiator fan motor is inserted in spring 10 by rotor axis 11, is articulated in bearing 1a, the collar 2, bearing 1b again, buckles 4 in the axle center end with the C type again and is fixed.

See also the profile of first embodiment of the present utility model shown in Figure 2.Stator seat 20 centers have a hollow axle tube 21, and fixing for axle center 11 pivot joints of rotor 10, a supporter 2 is preferably hollow cylindrical tube, supports to be fixed in the appropriate location, central siphon 21 center of stator seat 20.This supporter 2 covers a flexible member 3; these flexible member 3 covers are through at the hollow cylindrical tube inside of supporter 2; and stretch out into contact site 31 by supporter 2 two ends; contact site 31 surfaces are preferable to be provided with protruding or wavy; increasing the resiliency supported effect, this flexible member 3 is preferable to be made by rubber or silica gel.Thereafter, two

bearings

1a and 1b place respectively in the central siphon 21 of stator seat 20, respectively against the contact site 31 that is fixed in flexible member 3.After stretched out via bearing 1a, supporter 2 and flexible member 3 and by bearing 1b in the axle center 11 of rotor 10, suit one packing ring 5 was buckled to articulate as the C type by fixture 4 again and is fixed.

Referring again to Fig. 2, the utility model also can only be provided with contact site 31 tops of single bearing 1a in flexible member 3, and after stretched out via bearing 1a, supporter 2 and flexible member 3 in the axle center 11 of rotor 10, suit one packing ring 5 was buckled to articulate as the C type by fixture 4 again and fixed.

Please consult second embodiment of the present utility model shown in Figure 3 again, itself and shown in Figure 1 close, but this flexible member 3 do not overlap and is through in the supporter 2, but is arranged at the upper and lower of

bearing

1a and 1b respectively, buckled 4 fixing again by the C type.

See also the 3rd embodiment of the present utility model shown in Figure 4, itself and shown in Figure 3 close, its difference part is that the flexible member 3 on the bearing 1a can omit, and can save cost of manufacture.

See also the 4th embodiment of the present utility model shown in Figure 5, itself and shown in Figure 3 close, its difference part is that the flexible member 3 under the bearing 1b can omit, and can save cost of manufacture.

See also the 5th embodiment of the present utility model shown in Figure 6, be the embodiment that rotor is only supported with a bearing, this moment, single bearing 1 was located in central siphon 21 inner radius, and put a flexible member 3 at each pad of both sides up and down, the noise and the oscillation phenomenon that produce when alleviating motor running.

See also the surface configuration embodiment of flexible member of the present utility model shown in Fig. 7 to 12, its main purpose is to increase the air gap between the elastomeric material surface, with the enhancing elastic effect, thereby absorbs noise and vibration wave in a large number.

See also first embodiment of flexible member of the present utility model shown in Fig. 7,8, its surface is groove circlewise, to increase the elasticity and the inter-air space.

See also second embodiment of flexible member of the present utility model shown in Fig. 9,10, its surface becomes wavy, to increase the elasticity and the inter-air space.

See also the 3rd embodiment of flexible member of the present utility model shown in Figure 11,12, its surface becomes protruding granular, to increase the elasticity and the inter-air space.

Claims

1. Motor sleeve bearing device, it is characterized in that it comprises: a stator seat has a hollow axle tube; One supporter covers a flexible member, and described flexible member extends into contact site by the supporter two ends, and the described supporter that covers flexible member is located in the described hollow axle tube; One bearing is located on the described contact site; One rotor has an axle center, and described axle center articulates is fixed in described bearing, supporter and flexible member.

2. Motor sleeve bearing device according to claim 1 is characterized in that described flexible member is made by rubber, synthetic rubber, silica gel or synthetic.

3. Motor sleeve bearing device according to claim 1 is characterized in that also comprising a bearing, is arranged at the contact-making surface below of the flexible member of described supporter opposite end.

4. Motor sleeve bearing device according to claim 1 is characterized in that, the contact site surface of described flexible member is provided with protruding grain.

5. Motor sleeve bearing device according to claim 1 is characterized in that the contact site of described flexible member is provided with wavy surface.

6. Motor sleeve bearing device according to claim 1 is characterized in that, the contact site of described flexible member is provided with groove shape surface.

7. Motor sleeve bearing device, it is characterized in that it comprises: a stator seat has a hollow axle tube; One supporter is located in the described hollow axle tube; Two bearings are located at the opposite end of described supporter respectively; One flexible member, on the bearing that is placed in one, and relative with described supporter; One rotor has an axle center, and described axle center articulates is fixed in described flexible member, bearing and supporter.

8. Motor sleeve bearing device according to claim 7 is characterized in that described flexible member is made by rubber, synthetic rubber, silica gel or synthetic.

9. Motor sleeve bearing device according to claim 7 is characterized in that also comprising one second flexible member, places on described another bearing.

10. Motor sleeve bearing device according to claim 7 is characterized in that, described flexible member has protruding grain surface.

11. Motor sleeve bearing device according to claim 7 is characterized in that, described flexible member has wavy surface.

12. Motor sleeve bearing device according to claim 7 is characterized in that, described flexible member has groove shape surface.

13. a Motor sleeve bearing device is characterized in that it comprises: a stator seat has a hollow axle tube; One bearing is located in the described hollow axle tube; One flexible member places on the described bearing; One rotor has an axle center, and described axle center articulates is fixed in described flexible member and bearing.

14. Motor sleeve bearing device according to claim 13 is characterized in that, described flexible member is made by rubber, synthetic rubber, silica gel or synthetic.

15. Motor sleeve bearing device according to claim 13 is characterized in that also comprising one second flexible member, places the another side of described bearing.

16. Motor sleeve bearing device according to claim 13 is characterized in that, described flexible member has protruding grain surface.

17. Motor sleeve bearing device according to claim 13 is characterized in that, described flexible member has wavy surface.

18. Motor sleeve bearing device according to claim 13 is characterized in that, described flexible member has groove shape surface.