CN212509238U

CN212509238U - Bearing cap with good sealing performance

Info

Publication number: CN212509238U
Application number: CN202021290098.6U
Authority: CN
Inventors: 张以驹
Original assignee: Maanshan Zhongqian Environmental Protection Technology Co ltd
Current assignee: Maanshan Zhongqian Environmental Protection Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-02-09
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a good bearing cap of leakproofness, including bearing inner race and bearing inner race, form the slip chamber between bearing inner race and the bearing inner race, the slip intracavity is equipped with the ball, the sliding tray has been seted up to the both sides in slip chamber, bearing inner race and bearing inner race are equipped with the bearing cap outward, the bearing cap bottom plate is located the slip intracavity and is equipped with installation stop device, installation stop device includes the shell body, be equipped with the cavity in the shell body, be equipped with first fly leaf and second fly leaf in the cavity respectively, the both ends of first fly leaf and second fly leaf all are equipped with the slider, the inboard of first fly leaf and second fly leaf all is equipped with spacing post, be connected with reset spring between the spacing post, the opposite side of first fly leaf and second fly leaf all is equipped with the connecting rod, the top of connecting rod is connected with the movable pulley that matches with the sliding tray through: the device has simple structure and convenient use, can effectively improve the sealing effect and is not easy to fall off after installation.

Description

Bearing cap with good sealing performance

Technical Field

The utility model relates to a bearing accessory equipment technical field particularly, relates to a good bearing cap of leakproofness.

Background

The bearing is used for determining the relative movement position of a rotating shaft and other parts and plays a role in supporting or guiding, the main function of the bearing is to support a mechanical rotating body so as to reduce the mechanical load friction coefficient of equipment in the transmission process, the bearing can be divided into a rolling bearing and a sliding bearing according to the difference of the friction properties of moving elements, and the precision, the performance, the service life and the reliability of the bearing play a decisive role in the precision, the performance, the service life and the reliability of an automobile. The bearing cap is a cap of the bearing end face.

At present, dust caps, sealing rings and the like are arranged on two sides of a used sealing bearing. In order to prevent external dust from entering the bearing, the inside of the bearing is protected by a dustproof cover or a sealing ring, but the sealing effect of the bearing cover is poor, and the bearing cover is easy to fall off after being installed, so that the sealing performance is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a good bearing cap of leakproofness to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this:

a bearing cover with good sealing performance comprises a bearing outer ring and a bearing inner ring, a sliding cavity is formed between the bearing outer ring and the bearing inner ring, balls are arranged in the sliding cavity, sliding grooves are formed in two sides of the sliding cavity, a bearing cover is arranged outside the bearing outer ring and the bearing inner ring, a bearing cover bottom plate is arranged in the sliding cavity and is provided with an installation limiting device, the installation limiting device comprises an outer shell, a cavity is arranged in the outer shell, a first movable plate and a second movable plate are arranged in the cavity respectively, sliding blocks are arranged at two ends of the first movable plate and two ends of the second movable plate respectively, sliding grooves matched with the sliding blocks are arranged on two sides of the inner wall of the cavity, limiting columns are arranged on the inner sides of the first movable plate and the second movable plate respectively, a reset spring is connected between the limiting columns, and connecting rods are arranged on the other sides of the first movable plate and the second movable, the top of connecting rod through the loose axle be connected with the movable pulley that the sliding tray matches, the both ends of shell body are equipped with the opening.

Furthermore, a notch is formed in the center of the bearing cover.

Furthermore, a sealing ring is arranged on the bearing cover.

Furthermore, the bearing outer ring and the bearing inner ring are coated with anti-oxidation coatings.

The utility model provides a good bearing cap of leakproofness, beneficial effect as follows:

(1) the bearing cover is arranged outside the bearing outer ring and the bearing inner ring, the bearing cover bottom plate is arranged in the sliding cavity and is provided with the installation limiting device, the installation limiting device comprises an outer shell, a cavity is arranged in the outer shell, a first movable plate and a second movable plate are respectively arranged in the cavity, sliding blocks are arranged at two ends of the first movable plate and the second movable plate, sliding grooves matched with the sliding blocks are arranged at two sides of the inner wall of the cavity, limiting columns are arranged at the inner sides of the first movable plate and the second movable plate, a reset spring is connected between the limiting columns, connecting rods are arranged at the other sides of the first movable plate and the second movable plate, sliding wheels matched with the sliding grooves are connected at the top ends of the connecting rods through movable shafts, openings are arranged at two ends of the outer shell, when the bearing cover is pressed, the sliding wheels are contracted into the cavity by the matching of the sliding blocks, after reaching the position of the sliding groove, the first movable plate and the second movable plate slide outwards by utilizing the elasticity of the reset spring, so that the connecting rod stretches out, the sliding wheel enters the sliding groove, and the sealing effect is achieved while the sliding wheel is limited.

(2) And the notch is arranged at the center of the bearing cover, so that the use of the bearing cover is convenient.

(3) And a sealing ring is arranged on the bearing cover, so that the sealing property of the bearing cover is improved.

(4) And the bearing outer ring and the bearing inner ring are coated with antioxidant coatings, so that the antioxidant effect of the bearing inner ring is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a bearing cap with good sealing performance according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a position limiting device installed in a bearing cap with good sealing performance according to an embodiment of the present invention.

In the figure:

1. a bearing outer race; 2. a bearing inner race; 3. a sliding cavity; 4. a ball bearing; 5. a sliding groove; 6. a bearing cap; 7. installing a limiting device; 8. an outer housing; 9. a cavity; 10. a first movable plate; 11. a second movable plate; 12. a slider; 13. a chute; 14. a limiting column; 15. a return spring; 16. a connecting rod; 17. a sliding wheel; 18. a movable shaft; 19. an opening; 20. a notch; 21. and (5) sealing rings.

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 all belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the first embodiment is as follows:

referring to fig. 1-2, a bearing cap with good sealing performance according to an embodiment of the present invention includes a bearing outer ring 1 and a bearing inner ring 2, a sliding cavity 3 is formed between the bearing outer ring 1 and the bearing inner ring 2, balls 4 are disposed in the sliding cavity 3, sliding grooves 5 are disposed on two sides of the sliding cavity 3, a bearing cap 6 is disposed outside the bearing outer ring 1 and the bearing inner ring 2, a bottom plate of the bearing cap 6 is disposed in the sliding cavity 3, the mounting and limiting device 7 includes an outer shell 8, a cavity 9 is disposed in the outer shell 8, a first movable plate 10 and a second movable plate 11 are disposed in the cavity 9, sliders 12 are disposed at two ends of the first movable plate 10 and the second movable plate 11, and sliding grooves 13 matched with the sliders 12 are disposed on two sides of an inner wall of the cavity 9, the inner sides of the first movable plate 10 and the second movable plate 11 are both provided with limiting columns 14, a return spring 15 is connected between the limiting columns 14, the other sides of the first movable plate 10 and the second movable plate 11 are both provided with a connecting rod 16, the top end of the connecting rod 16 is connected with a sliding wheel 17 matched with the sliding groove 5 through a movable shaft 18, and two ends of the outer shell 8 are provided with openings 19.

By the above scheme of the present invention, by providing the bearing cap 6 outside the bearing outer ring 1 and the bearing inner ring 2, the bottom plate of the bearing cap 6 is located in the sliding cavity 3, the installation limiting device 7 comprises an outer shell 8, the outer shell 8 is provided with a cavity 9, the cavity 9 is provided with a first movable plate 10 and a second movable plate 11, the two ends of the first movable plate 10 and the second movable plate 11 are both provided with sliders 12, the two sides of the inner wall of the cavity 9 are both provided with sliding grooves 13 matched with the sliders 12, the inner sides of the first movable plate 10 and the second movable plate 11 are both provided with limiting posts 14, a reset spring 15 is connected between the limiting posts 14, the other side of the first movable plate 10 and the second movable plate 11 is both provided with a connecting rod 16, the top end of the connecting rod 16 is connected with a sliding wheel 17 matched with the sliding groove 5 through a movable shaft 18, the both ends of shell body 8 are equipped with opening 19, when using, press bearing cap 6, utilize slider 12 and spout 13's cooperation, utilize reset spring 15's effect, make movable pulley 17 shrink into in the cavity 9, after the position of arriving sliding tray 5, utilize reset spring 15's elasticity, make first fly leaf 10 and second fly leaf 11 outwards slide, make connecting rod 16 stretch out, make movable pulley 17 get into in the sliding tray 5, in spacing, play sealed effect, such device simple structure, high durability and convenient use, can its sealed effect of effectual improvement, and be difficult for droing after the installation.

Example two:

as shown in fig. 1-2, a notch 20 is provided at the center of the bearing cap 6 to facilitate its use; the bearing cover 6 is provided with a sealing ring 21 to improve the sealing property; and an anti-oxidation coating is coated outside the bearing outer ring 1 and the bearing inner ring 2, so that the anti-oxidation effect of the bearing inner ring is improved.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the device is used, the bearing cover 6 is pressed, the sliding wheel 17 is contracted into the cavity 9 under the action of the reset spring 15 by utilizing the matching of the sliding block 12 and the sliding groove 13, the first movable plate 10 and the second movable plate 11 slide outwards under the action of the reset spring 15 after reaching the position of the sliding groove 5, the connecting rod 16 extends out, the sliding wheel 17 enters the sliding groove 5 and plays a role in sealing while limiting, the device is simple in structure and convenient to use, the sealing effect of the device can be effectively improved, and the device is not easy to fall off after installation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The bearing cover with good sealing performance is characterized by comprising a bearing outer ring (1) and a bearing inner ring (2), a sliding cavity (3) is formed between the bearing outer ring (1) and the bearing inner ring (2), balls (4) are arranged in the sliding cavity (3), sliding grooves (5) are formed in two sides of the sliding cavity (3), a bearing cover (6) is arranged outside the bearing outer ring (1) and the bearing inner ring (2), a bottom plate of the bearing cover (6) is positioned in the sliding cavity (3) and is provided with an installation limiting device (7), the installation limiting device (7) comprises a shell (8), a cavity (9) is formed in the shell (8), a first movable plate (10) and a second movable plate (11) are respectively arranged in the cavity (9), sliding blocks (12) are arranged at two ends of the first movable plate (10) and the second movable plate (11), the inner wall both sides of cavity (9) all be equipped with slider (12) assorted spout (13), first fly leaf (10) with the inboard of second fly leaf (11) all is equipped with spacing post (14), be connected with reset spring (15) between spacing post (14), first fly leaf (10) with the opposite side of second fly leaf (11) all is equipped with connecting rod (16), the top of connecting rod (16) be connected with through loose axle (18) with sliding tray (5) assorted movable pulley (17), the both ends of shell body (8) are equipped with opening (19).

2. A good sealing bearing cap according to claim 1, characterized in that the bearing cap (6) is provided with a notch (20) in the center.

3. The good-sealing bearing cap according to claim 1, characterized in that a sealing ring (21) is provided on the bearing cap (6).

4. A good-seal bearing cap according to claim 1, characterized in that the bearing outer ring (1) and the bearing inner ring (2) are coated with an anti-oxidation coating.