CN218844876U

CN218844876U - Waterproof bearing

Info

Publication number: CN218844876U
Application number: CN202222879861.4U
Authority: CN
Inventors: 谢中明
Original assignee: Changzhou Chihui Bearing Manufacturing Co ltd
Current assignee: Changzhou Chihui Bearing Manufacturing Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-11
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a waterproof type bearing in bearing technical field, which comprises an outer shell, the inner wall of shell is equipped with the inner shell, the outer fixed surface of inner shell installs the holder, the outer wall of holder is equipped with a plurality of rollers of being connected with the rotation of shell inner wall, the inner wall fixed mounting who fills up has first lug, first recess has all been seted up to the upper and lower both ends surface of inner shell, and first lug rotates the inner wall at first recess, the second recess of being connected is all seted up with the second lug rotation at both ends about the inner wall of shell. Through setting up the sealed inside and outside wall that fills up fixed mounting respectively has first lug and second lug, and first recess and second recess that cooperation shell and inner shell opposite face were seted up can make when shell and inner shell are rotatory, sealed the pad keeps sealed to slide in the first recess and the second recess of shell and inner shell by first lug, second lug, reduce the wearing and tearing to sealed the pad, avoid deformation.

Description

Waterproof bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a waterproof type bearing.

Background

The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotating body, the waterproof bearing is provided with a sealing ring between an inner ring and an outer ring at one side or two sides of the bearing in a buckling manner, the inner side of the sealing ring is in a ring groove shape, and a spring hoop is hooped on the groove wall of the sealing ring close to the inner ring of the bearing. The bearing has the characteristics of firm sealing, reliable water resistance, dust resistance and oil retention, but the sealing ring can move relative to the inner ring and the outer ring of the bearing to generate friction, and the heat generated by friction can generate heat, so that the sealing ring can deform, the waterproofness of the bearing is reduced, and the waterproof bearing is provided for this reason.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a waterproof type bearing has the effect of avoiding sealed pad wearing and tearing deformation.

The technical scheme of the utility model is that:

the utility model provides a waterproof type bearing, includes the shell, the inner wall of shell is equipped with the inner shell, the outer fixed surface of inner shell installs the holder, the outer wall of holder is equipped with a plurality of rollers of being connected with the rotation of shell inner wall, both ends all are equipped with sealed the pad about shell and the inner shell, the outer wall fixedly connected with second lug of sealed pad, the inner wall fixed mounting who fills up has first lug, first recess has all been seted up to the upper and lower both ends surface of inner shell, and first lug rotates the inner wall at first recess, the second recess of being connected with the second lug rotation is all seted up at both ends about the inner wall of shell.

In a further technical scheme, separation blades are fixedly mounted at the upper end and the lower end of the opposite surface of the first protruding block and the second protruding block.

In a further technical scheme, the inner wall and the outer wall of the sealing gasket are respectively fixed on the opposite surfaces of the two baffle sheets.

In a further technical scheme, the inside and outside wall of sealed pad is fixed mounting respectively has the second to extend backing ring and first backing ring that extends, the mounting groove has all been seted up to the opposite face of first lug and separation blade, and just first backing ring and the second of extending extend the inner wall that the backing ring was fixed respectively at two mounting grooves.

In a further technical scheme, the sealing gasket, the first extending backing ring and the second extending backing ring are all made of rubber materials.

In a further technical scheme, the outer surfaces of the first lug, the second lug and the baffle are all provided with an anti-abrasion coating.

The utility model has the advantages that:

1. the first lug and the second lug are fixedly arranged on the inner wall and the outer wall of the sealing gasket respectively, and are matched with the first groove and the second groove which are formed on the opposite surfaces of the outer shell and the inner shell, so that the sealing gasket can keep sealed when the outer shell and the inner shell rotate, and the first lug and the second lug slide in the first groove and the second groove of the outer shell and the inner shell, thereby reducing the abrasion on the sealing gasket and avoiding deformation;

2. through setting up the separation blade between first lug and the second lug opposite face, can make sealed inner wall and the outer wall that fills up not receive first lug, second lug and first recess, the influence of second recess running friction.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic side view of a cross-sectional structure of an embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of the sealing gasket and the bump according to an embodiment of the present invention.

Description of reference numerals:

1. a housing; 2. an inner shell; 3. a gasket; 301. a first extending grommet; 302. a second extending grommet; 4. a holder; 5. a roller; 6. a first groove; 7. a first bump; 8. a second groove; 9. a second bump; 10. a baffle plate; 11. and (4) mounting the groove.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

The embodiment is as follows:

as shown in fig. 1-3, a waterproof bearing, including outer shell 1, the inner wall of outer shell 1 is equipped with inner shell 2, the outer fixed surface of inner shell 2 installs holder 4, the outer wall of holder 4 is equipped with a plurality of rollers 5 that rotate with the inner wall of outer shell 1 and is connected, both ends all are equipped with sealed pad 3 about outer shell 1 and the inner shell 2, can make outer shell 1 and inner shell 2 have sealing water resistance when rotating through setting up sealed pad 3, the outer fixed surface of sealed pad 3 is connected with second lug 9, the inner wall fixed mounting of sealed pad 3 has first lug 7, first recess 6 has all been seted up to both ends surface about the inner shell 2, and first lug 7 rotates the inner wall at first recess 6, both ends all are seted up the second recess 8 of rotating with second lug 9 about the inner wall of outer shell 1, through setting up first lug 7, second lug 9 and first recess 6, second recess 8, can make sealed pad 3 not influenced by the rotation of outer shell 1 and inner shell 2 by the friction deformation.

The working principle of the above technical scheme is as follows:

when the device is normally used, the two sealing gaskets 3 are respectively placed in the gaps between the upper end and the lower end of the outer shell 1 and the inner shell 2, then the second convex block 9 on the outer wall of the sealing gasket 3 is pressed into the inner wall of the second groove 8, and then the first convex block 7 is pressed into the inner wall of the first groove 6.

In another embodiment, as shown in fig. 3, the upper and lower ends of the opposite surfaces of the first protrusion 7 and the second protrusion 9 are fixedly provided with the blocking pieces 10, so that the sealing gasket 3 is not worn by the rotating surfaces of the outer shell 1 and the inner shell 2 during the sealing process.

When the sealing device is used, the outer shell 1 and the inner shell 2 rotate relatively, then the inner wall and the outer wall of the sealing gasket 3 are respectively fixed on the outer surfaces of the blocking pieces 10, and the blocking pieces 10 are contacted with the rotating outer shell 1 and the rotating inner shell 2.

In another embodiment, as shown in fig. 2 and 3, the inner and outer walls of the gasket 3 are fixed to the opposing surfaces of the two flaps 10, respectively, and the gasket 3 is fixed to the flaps 10 by providing the gasket 3, so that the gasket 3 can be stably mounted during the sealing process.

When the sealing gasket is installed, the first lug 7 and the second lug 9 are respectively installed on the inner ring and the outer ring of the sealing gasket 3, and then the joint of the sealing gasket and the baffle plate 10 is sealed by glue.

In another embodiment, as shown in fig. 3, the inner and outer walls of the sealing gasket 3 are respectively and fixedly provided with a second extending backing ring 302 and a first extending backing ring 301, the opposite surfaces of the first protrusion 7 and the blocking piece 10 are both provided with mounting grooves 11, and the first extending backing ring 301 and the second extending backing ring 302 are respectively fixed on the inner walls of the two mounting grooves 11, and the second extending backing ring 302 and the first extending backing ring 301 which are arranged on the inner and outer walls of the sealing gasket 3 can enable the sealing gasket 3 and the first protrusion 7 and the second protrusion 9 to be sleeved and connected.

When the installation is carried out, the sealing gasket 3 is pressed between the second bump 9 and the first bump 7 from top to bottom, and then the second extending backing ring 302 and the first extending backing ring 301 are respectively fixed on the inner wall of the installation groove 11 by waterproof glue.

In another embodiment, as shown in fig. 3, the sealing gasket 3, the first extending grommet 301 and the second extending grommet 302 are made of rubber and have elasticity, the sealing gasket 3 is clamped into the mounting groove 11 through the first extending grommet 301 and the second extending grommet 302, and when the outer shell 1 and the inner shell 2 are rotated, the sealing gasket 3 is ensured not to be rubbed.

When in use, the gasket 3 is sleeved and connected with the second bump 9 by the first extending grommet 301, and sleeved and connected with the first bump 7 by the second extending grommet 302.

In another embodiment, as shown in fig. 3, the outer surfaces of the first projection 7, the second projection 9 and the baffle plate 10 are provided with an anti-wear coating.

The outer surfaces of the first convex block 7, the second convex block 9 and the blocking piece 10 are provided with the anti-abrasion coatings, so that when the outer shell 1 and the inner shell 2 rotate to rub against the first convex block 7, the second convex block 9 and the blocking piece 10, the surfaces of the outer shell and the inner shell are protected from being thin-walled due to abrasion, and the service life of the first convex block 7, the second convex block 9 and the blocking piece 10 when the sealing gasket 3 is protected is prolonged.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a waterproof type bearing, includes shell (1), the inner wall of shell (1) is equipped with inner shell (2), the fixed surface of inner shell (2) installs holder (4), the outer wall of holder (4) is equipped with a plurality of and shell (1) inner wall rotation roller (5) of being connected, its characterized in that: both ends all are equipped with sealed pad (3) about shell (1) and inner shell (2), the outer wall fixedly connected with second lug (9) of sealed pad (3), the inner wall fixed mounting who seals up pad (3) has first lug (7), first recess (6) have all been seted up to the upper and lower both ends surface of inner shell (2), and first lug (7) rotate the inner wall in first recess (6), second recess (8) of being connected with second lug (9) rotation are all seted up at both ends about the inner wall of shell (1).

2. A water-resistant bearing according to claim 1, wherein: and blocking pieces (10) are fixedly arranged at the upper end and the lower end of the opposite surface of the first convex block (7) and the second convex block (9).

3. A water-resistant bearing according to claim 1, wherein: the inner wall and the outer wall of the sealing gasket (3) are respectively fixed on the opposite surfaces of the two baffle sheets (10).

4. A water-resistant bearing according to claim 1, wherein: the inside and outside wall of sealed pad (3) is fixed mounting respectively has the second to extend backing ring (302) and first backing ring (301) that extends, mounting groove (11) have all been seted up to the opposite face of first lug (7) and separation blade (10), and just first backing ring (301) and the second of extending extend backing ring (302) and fix the inner wall in two mounting grooves (11) respectively.

5. A water-resistant bearing according to claim 1, wherein: the sealing gasket (3), the first extending backing ring (301) and the second extending backing ring (302) are all made of rubber materials.

6. A water-resistant bearing according to claim 1, wherein: the outer surfaces of the first lug (7), the second lug (9) and the baffle (10) are all provided with an anti-abrasion coating.