CN211117180U

CN211117180U - Motor bearing gland structure

Info

Publication number: CN211117180U
Application number: CN201922207451.3U
Authority: CN
Inventors: 钱浩善
Original assignee: WENLING CITY HOUSEHOLD ELECTROMOTOR FACTORY
Current assignee: WENLING CITY HOUSEHOLD ELECTROMOTOR FACTORY
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-28
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the technical field of bearing gland, in particular to a motor bearing gland structure, which comprises a bearing gland body, wherein the bearing gland body is provided with a central hole, and also comprises a sealing ring, a mounting gland and a movable lantern ring, the side surface of the sealing ring is provided with a first extending part which can be embedded into the central hole of the bearing gland body; an elastic positioning structure is arranged between the second extending part and the movable lantern ring; the utility model discloses a motor bearing gland is supporting to have sealing washer and installation gland, after the installation motor bearing, assemble the sealing washer on bearing gland body medial surface earlier, later utilize the installation gland to fix the bearing gland body at bearing gland body lateral surface, fix it at motor casing terminal surface to the built-in movable lantern ring of installation gland, elastic locating structure and lubricating grease, improve the sealed effect of device, lubricated effect, and have buffering antidetonation effect, can guarantee the fixed stability of bearing gland, improve its life.

Description

Motor bearing gland structure

Technical Field

The utility model belongs to the technical field of the bearing gland, concretely relates to motor bearing gland structure.

Background

The motor bearing is a special bearing specially applied to a motor or a motor, the bearing used by the motor is a part of a support shaft, can guide the rotation of the shaft and can also bear an idle part on the shaft, and a bearing gland is a part for pressing the bearing and is usually fixed on a motor shell through bolts.

Original motor bearing gland directly uses the bolt to fix usually, because the motor shaft is along with the shake to the gland at high-speed rotatory in-process, can lead to the bolt not hard up after long-time operation, the fixed effect and the sealed effect of influence to the bearing.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a motor bearing gland structure has convenient to use, easily installation, stability can good and long service life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a motor bearing gland structure comprises a bearing gland body, a sealing ring, an installation gland and a movable lantern ring, wherein the bearing gland body is provided with a central hole; the installation gland has No. two extensions, the activity lantern ring is located No. two extension insides, and be in No. two extensions with be equipped with elastic positioning structure between the activity lantern ring.

As an optimized technical scheme of the utility model, an extension with No. two extensions are the ring structure.

As a preferred technical scheme of the utility model, elastic positioning structure includes flexible piece and expanding spring, the one end of flexible piece is fixed in No. two extension inner walls, the other end with the overlap joint of activity lantern ring outer wall, the expanding spring cover is established on the flexible piece and be in No. two extensions with between the activity lantern ring.

As a preferred technical proposal of the utility model, the outer wall of the movable lantern ring is provided with a positioning groove; the telescopic block comprises an installation block and a movable positioning block, a connecting groove for embedding the end part of the movable positioning block is formed in the end face of the installation block, one end of the movable positioning block is movably embedded into the connecting groove, and the other end of the movable positioning block extends out of the connecting groove and is embedded into the positioning groove.

As a preferred technical scheme of the utility model, the embedded end outer wall of activity locating piece is fixed with first spacing ring, the port inner wall of spread groove have with the corresponding second spacing ring of first spacing ring.

As an optimized technical proposal of the utility model, the inner wall of the movable lantern ring is filled with lubricating grease.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a motor bearing gland is supporting to have sealing washer and installation gland, after the installation motor bearing, assemble the sealing washer on bearing gland body medial surface earlier, later utilize the installation gland to fix the bearing gland body at bearing gland body lateral surface, fix it at motor casing terminal surface to the built-in movable lantern ring of installation gland, elastic locating structure and lubricating grease, improve the sealed effect of device, lubricated effect, and have buffering antidetonation effect, can guarantee the fixed stability of bearing gland, improve its life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic front sectional structural view of the expansion block of the present invention;

in the figure: 1. a bearing gland body; 2. a seal ring; 3. an extension part I; 4. installing a gland; 5. an extension part II; 6. a movable collar; 7. lubricating grease; 8. a telescopic block; 9. a tension spring; 10. positioning a groove; 11. mounting blocks; 12. a movable positioning block; 13. connecting grooves; 14. a first limit ring; 15. and a second limit ring.

Detailed Description

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

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a motor bearing gland structure comprises a bearing gland body 1, wherein the bearing gland body 1 is provided with a central hole and is used for being assembled with a motor output shaft, the motor bearing gland structure also comprises a sealing ring 2, an installation gland 4 and a movable lantern ring 6, a first extension part 3 is arranged on the side surface of the sealing ring 2, and the first extension part 3 can be embedded into the central hole of the bearing gland body 1; installation gland 4 has extension 5 No. two, the activity lantern ring 6 is located inside extension 5 No. two, and be equipped with the elastic locating structure between extension 5 No. two and activity lantern ring 6, after motor bearing assembly, earlier establish sealing washer 2 on the motor output shaft cover, and make sealing washer 2 support the motor bearing terminal surface, later establish bearing gland body 1 on the motor output shaft cover, make bearing gland body 1 push down sealing washer 2, later establish the activity lantern ring 6 on the motor output shaft cover, will install gland 4 cover again at last on the motor output shaft, use the bolt to install gland 4 after making installation gland 4 push down bearing gland body 1, bearing gland body 1 is fixed with motor casing can.

Specifically, according to fig. 1, in the embodiment, the first extension portion 3 and the second extension portion 5 are both circular ring structures and are adapted to a motor output shaft structure for being assembled with a motor output shaft.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the elastic positioning structure includes a telescopic block 8 and a telescopic spring 9, one end of the telescopic block 8 is fixed on the inner wall of the second extension portion 5, the other end of the telescopic block is in lap joint with the outer wall of the movable sleeve ring 6, the telescopic spring 9 is sleeved on the telescopic block 8 and is located between the second extension portion 5 and the movable sleeve ring 6, the existence of the telescopic block 8 and the telescopic spring 9 provides a certain elastic effect, the influence of high-speed rotation of the motor output shaft on the installation gland 4 and the bearing gland body 1 can be reduced, the installation stability of the installation gland 4 and the bearing gland body 1 is ensured, and the service life of.

Specifically, according to fig. 2 and fig. 3, in the present embodiment, a positioning groove 10 is formed on an outer wall of the movable sleeve ring 6; the flexible piece 8 includes installation piece 11 and movable positioning piece 12, installation piece 11 terminal surface sets up the spread groove 13 that supplies the embedding of movable positioning piece 12 tip, the one end activity of movable positioning piece 12 is embedded in this spread groove 13, the other end stretches out spread groove 13 and imbeds in the constant head tank 10, installation piece 11 is used for installing movable positioning piece 12, movable positioning piece 12 can remove for installation piece 11, provide the flexible effect in the certain limit, and provide buffering antidetonation function with the cooperation of expanding spring 9, constant head tank 10 plays the effect of location, guarantee movable positioning piece 12's stability.

Specifically, according to fig. 3, in this embodiment, a first limiting ring 14 is fixed on an outer wall of an embedded end of the movable positioning block 12, a second limiting ring 15 corresponding to the first limiting ring 14 is arranged on an inner wall of a port of the connecting groove 13, and the first limiting ring 14 and the second limiting ring 15 are matched with each other, so that a movable range of the movable positioning block 12 is limited, and reliable extension is ensured.

Specifically, according to fig. 1, in this embodiment, the inner wall of the movable collar 6 is filled with the lubricating grease 7, and the lubricating grease 7 is located between the inner wall of the movable collar 6 and the outer wall of the motor output shaft, so as to play a role in lubricating, reduce friction between the motor output shaft and the movable collar 6, reduce heat generation, ensure a sealing effect, and prolong the service life of the movable collar 6.

The utility model discloses a theory of operation and use flow: the utility model discloses a gland structure is when using, after motor bearing assembly, earlier establish sealing washer 2 on the cover of motor output shaft, and make sealing washer 2 support motor bearing terminal surface, later establish bearing gland body 1 at the cover of motor output shaft, make bearing gland body 1 push down sealing washer 2, later establish movable lantern ring 6 at the cover of motor output shaft, and fill lubricating grease 7 between the 6 inner walls of movable lantern ring and motor output shaft outer wall, establish 4 covers of installation gland on the motor output shaft at last again, use the bolt to install gland 4 after making installation gland 4 push down bearing gland body 1, bearing gland body 1 and motor casing fix can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a motor bearing gland structure, includes bearing gland body (1), bearing gland body (1) has centre bore, its characterized in that: the bearing gland comprises a bearing gland body (1) and is characterized by further comprising a sealing ring (2), a mounting gland (4) and a movable sleeve ring (6), wherein a first extension part (3) is arranged on the side surface of the sealing ring (2), and the first extension part (3) can be embedded into a central hole of the bearing gland body (1); the mounting gland (4) is provided with a second extending part (5), the movable lantern ring (6) is positioned inside the second extending part (5), and an elastic positioning structure is arranged between the second extending part (5) and the movable lantern ring (6).

2. A motor bearing gland structure according to claim 1, wherein: the first extension part (3) and the second extension part (5) are both in circular ring structures.

3. A motor bearing gland structure according to claim 1, wherein: elastic positioning structure includes flexible piece (8) and expanding spring (9), the one end of flexible piece (8) is fixed in No. two extension (5) inner walls, the other end with activity lantern ring (6) outer wall overlap joint, expanding spring (9) cover is established on flexible piece (8) and be in No. two extension (5) with between the activity lantern ring (6).

4. A motor bearing gland structure according to claim 3, wherein: the outer wall of the movable lantern ring (6) is provided with a positioning groove (10); the telescopic block (8) comprises an installation block (11) and a movable positioning block (12), the end face of the installation block (11) is provided with a connecting groove (13) for embedding the end part of the movable positioning block (12), one end of the movable positioning block (12) is movably embedded into the connecting groove (13), and the other end of the movable positioning block extends out of the connecting groove (13) and is embedded into the positioning groove (10).

5. A motor bearing gland structure according to claim 4, wherein: the outer wall of the embedded end of the movable positioning block (12) is fixed with a first limiting ring (14), and the inner wall of the port of the connecting groove (13) is provided with a second limiting ring (15) corresponding to the first limiting ring (14).

6. A motor bearing gland structure according to claim 1, wherein: the inner wall of the movable lantern ring (6) is filled with lubricating grease (7).