CN218267160U

CN218267160U - Bearing mechanism for worm gear reducer

Info

Publication number: CN218267160U
Application number: CN202222750363.XU
Authority: CN
Inventors: 朱国发; 王永昌; 黄呈兵; 晏建强; 谢文保
Original assignee: Hangzhou Celevit Transmission Equipment Co ltd
Current assignee: Hangzhou Celevit Transmission Equipment Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-10
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to the field of speed reducer bearings, in particular to a bearing mechanism for a worm gear speed reducer, which comprises an outer connector, an outer ring and an inner ring, wherein the outer ring is fixedly connected with the outer connector, and a shaft groove is arranged in the inner ring; a plurality of inclined holes are uniformly distributed in the annular shape of the inner ring, the inner ring is respectively inserted with a clamping ring and a connecting ring, a first filter screen is fixedly connected between the clamping ring and the connecting ring, and the inclined holes are positioned between the clamping ring and the connecting ring; the outer connector surface is equipped with a plurality of ventilation hole, and the outer connector corresponds the ventilation hole position and is equipped with the screen frame, fixedly connected with second filter screen in the screen frame. The utility model discloses during the use, set up the inclined hole on the inner ring, evenly distributed is on the inner ring, and during the rotation, the inclined hole is followed rotatoryly to cooperation ventilation hole makes the air flow, and the air flows the in-process in the inclined hole, takes away the heat of inner ring, alleviates the long-time rotatory produced high temperature pressure of inner ring, thereby alleviates the high temperature pressure of pivot, increases the life of pivot and bearing.

Description

Bearing mechanism for worm gear reducer

Technical Field

The utility model relates to a speed reducer bearing field, concretely relates to bearing mechanism for worm gear speed reducer.

Background

A worm gear reducer is a power transmission mechanism that uses a speed converter of a gear to reduce the number of revolutions of a motor to a desired number of revolutions and obtain a large torque.

In order to support the rotation of the rotating shaft of the worm gear reducer, a bearing needs to be arranged at the rotating shaft.

However, the joint of the bearing inner ring and the rotating shaft is not provided with a gap usually, so that the bearing and the rotating shaft are tightly attached together, the heat dissipation effect of the bearing inner ring is poor, the bearing is heated after long-time use, the bearing loss is accelerated, and the service life of the bearing is shortened. Accordingly, those skilled in the art have provided a bearing mechanism for a worm gear reducer to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bearing mechanism for worm gear reducer, which comprises an outer connecting body, an outer ring and an inner ring, wherein a plurality of rollers are arranged between the outer ring and the inner ring, the outer ring is fixedly connected with the outer connecting body, and a shaft groove is arranged in the inner ring;

a plurality of inclined holes are uniformly distributed in the annular shape of the inner ring, the inner ring is respectively inserted with a clamping ring and a connecting ring, a first filter screen is fixedly connected between the clamping ring and the connecting ring, and the inclined holes are positioned between the clamping ring and the connecting ring;

the outer connector surface is equipped with a plurality of ventilation hole, and the outer connector corresponds the ventilation hole position and is equipped with the screen frame, fixedly connected with second filter screen in the screen frame.

Preferably, the following components: the diameter of the outer ring is smaller than that of the inner ring.

Preferably, the following components: a plurality of reinforcing rods are fixedly connected between the clamping ring and the connecting ring.

Preferably, the inner ring is provided with a plurality of clamping grooves, the clamping rings are fixedly connected with inserting rods corresponding to the clamping grooves, the inserting rods are provided with clamping blocks, and the clamping blocks are clamped with the clamping grooves.

Preferably, the filter screen frame is symmetrically and fixedly connected with connecting plates, and the connecting plates are provided with fasteners.

Preferably, the fastening piece is in threaded connection with the external connecting body, and the filter screen frame is fixedly connected with the external connecting body through the fastening piece.

Preferably, the outer ring is sleeved with a protective sleeve made of rubber.

The utility model discloses a technological effect and advantage:

1. the inclined holes are formed in the inner ring and are uniformly distributed on the inner ring, when the inner ring rotates, the inclined holes rotate along with the inner ring, the air flows through the air holes, heat of the inner ring is taken away in the air flowing process in the inclined holes, and high-temperature pressure generated by long-time rotation of the inner ring is relieved, so that the high-temperature pressure of the rotating shaft is relieved, and the service lives of the rotating shaft and the bearing are prolonged;

2. the first filter screen and the second filter screen are respectively arranged outside the inclined hole and at the vent hole to filter air flowing through, so that dust is prevented from entering the interior of the speed reducer due to air circulation, and a worm and gear in the speed reducer is protected;

3. utilize draw-in groove and fixture block cooperation, make the snap ring can dismantle, conveniently pull down first filter screen and wash.

Drawings

FIG. 1 is a schematic structural diagram provided in example 1 of the present application;

FIG. 2 is an exploded view provided in example 1 of the present application;

FIG. 3 is a cross-sectional view of a slant hole provided in embodiment 1 of the present application;

FIG. 4 is a cross-sectional view of the bayonet provided in example 1 of the present application;

FIG. 5 is a schematic structural diagram provided in example 2 of the present application;

FIG. 6 is a sectional view of the protective casing provided in example 2 of the present application;

in the figure: 1. an outer connector; 2. an outer ring; 3. an inner ring; 4. a shaft groove;

5. a snap ring; 6. a connecting ring; 7. a first filter screen; 8. an inclined hole;

9. a second filter screen; 10. a screen frame; 11. a connecting plate; 12. a fastener;

13. a rod is inserted; 14. a clamping block; 15. a roller; 16. a card slot;

17. a protective sleeve; 18. a reinforcing rod; 19. a vent hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 4, in the present embodiment, a bearing mechanism for a worm gear reducer is provided, including an outer connecting body 1, an outer ring 2 and an inner ring 3, a plurality of rollers 15 are disposed between the outer ring 2 and the inner ring 3, the outer ring 2 is fixedly connected to the outer connecting body 1, a shaft slot 4 is disposed in the inner ring 3, and a ring diameter of the outer ring 2 is smaller than a ring diameter of the inner ring 3;

a plurality of inclined holes 8 are uniformly distributed in the annular shape of the inner ring 3, the inner ring 3 is respectively inserted with a clamping ring 5 and a connecting ring 6, a first filter screen 7 is fixedly connected between the clamping ring 5 and the connecting ring 6, a plurality of reinforcing rods 18 are fixedly connected between the clamping ring 5 and the connecting ring 6, the inclined holes 8 are positioned between the clamping ring 5 and the connecting ring 6, the inner ring 3 is provided with a plurality of clamping grooves 16, the clamping ring 5 is fixedly connected with an inserting rod 13 corresponding to the positions of the clamping grooves 16, the inserting rod 13 is provided with a clamping block 14, and the clamping block 14 is clamped with the clamping grooves 16;

the surface of the outer connector 1 is provided with a plurality of vent holes 19, the position of the outer connector 1 corresponding to the vent holes 19 is provided with a strainer holder 10, a second filter screen 9 is fixedly connected in the strainer holder 10, a connecting plate 11 is symmetrically and fixedly connected with the strainer holder 10, the connecting plate 11 is provided with a fastener 12, the fastener 12 is in threaded connection with the outer connector 1, and the strainer holder 10 is fixedly connected with the outer connector 1 through the fastener 12.

The utility model discloses a theory of operation is:

the bearing is composed of an outer ring 2, an inner ring 3 and a roller 15, the diameter of the inner ring 3 of the bearing is thicker than that of the inner ring of a common bearing in the application, the bearing is fixed on an outer connecting body 1, the outer connecting body 1 is fixed with a shell of a worm and gear speed reducer, a shaft body of the worm and gear speed reducer is inserted into a shaft groove 4, inclined holes 8 are arranged on the inner ring 3 and are uniformly distributed on the inner ring 3, the inclined holes 8 rotate along with the inner ring when rotating, air flows in an accelerated manner by matching with a vent hole 19, heat of the inner ring 3 is taken away in the air flowing process in the inclined holes 8, and high-temperature pressure generated by long-time rotation of the inner ring 3 is relieved, so that the high-temperature pressure of a rotating shaft is relieved, and the service lives of the rotating shaft and the bearing are prolonged;

the first filter screen 7 and the second filter screen 9 are respectively arranged outside the inclined hole 8 and at the position of the vent hole 19 to filter air flowing through, so that dust is prevented from entering the interior of the speed reducer due to air circulation, and a worm and gear in the speed reducer is protected;

the clamping groove 16 is matched with the clamping block 14, so that the clamping ring 5 can be detached, and the first filter screen 7 is conveniently detached for cleaning.

Example 2

Referring to fig. 5 to 6, in the present embodiment, the outer ring 2 is sleeved with a protective sleeve 17, and the protective sleeve 17 is made of rubber.

The balls 15 are protected from dust entering the interior of the bearing by a protective sleeve 17.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A bearing mechanism for a worm gear speed reducer comprises an outer connector (1), an outer ring (2) and an inner ring (3), and is characterized in that a plurality of rollers (15) are arranged between the outer ring (2) and the inner ring (3), the outer ring (2) is fixedly connected with the outer connector (1), and a shaft groove (4) is formed in the inner ring (3);

a plurality of inclined holes (8) are uniformly distributed in the inner ring (3) in an annular mode, the inner ring (3) is respectively inserted with a clamping ring (5) and a connecting ring (6), a first filter screen (7) is fixedly connected between the clamping ring (5) and the connecting ring (6), and the inclined holes (8) are located between the clamping ring (5) and the connecting ring (6);

outer joint body (1) surface is equipped with a plurality of ventilation hole (19), and outer joint body (1) corresponds ventilation hole (19) position and is equipped with screen frame (10), fixedly connected with second filter screen (9) in screen frame (10).

2. A bearing mechanism for a worm gear reducer according to claim 1, characterized in that the outer ring (2) has a smaller ring diameter than the inner ring (3).

3. The bearing mechanism for the worm and gear speed reducer as claimed in claim 1, wherein a plurality of reinforcing rods (18) are fixedly connected between the snap ring (5) and the connecting ring (6).

4. The bearing mechanism for the worm gear reducer as claimed in claim 1, wherein the inner ring (3) is provided with a plurality of clamping grooves (16), the clamping ring (5) is fixedly connected with an insertion rod (13) corresponding to the clamping grooves (16), the insertion rod (13) is provided with a clamping block (14), and the clamping block (14) is clamped with the clamping grooves (16).

5. The bearing mechanism for the worm gear reducer as claimed in claim 1, wherein the strainer holder (10) is symmetrically and fixedly connected with a connecting plate (11), and the connecting plate (11) is provided with a fastening member (12).

6. The bearing mechanism for the worm gear reducer according to claim 5, characterized in that the fastening member (12) is in threaded connection with the external connecting body (1), and the strainer holder (10) is fixedly connected with the external connecting body (1) through the fastening member (12).

7. The bearing mechanism for the worm gear speed reducer as claimed in claim 1, wherein the outer ring (2) is sleeved with a protective sleeve (17), and the protective sleeve (17) is made of rubber.