CN213479190U

CN213479190U - Abrasive material seal structure that can self-lubricate

Info

Publication number: CN213479190U
Application number: CN202022235697.4U
Authority: CN
Inventors: 孙泽凯
Original assignee: Yuhang Aerospace Equipment Co ltd
Current assignee: Yuhang Aerospace Equipment Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-18
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a but abrasive material seal structure of self-lubricating, which comprises a housin, one side of casing is provided with the bearing room, the inside of bearing room is provided with the bearing, the inside of bearing is provided with the pivot, the both sides of bearing room are provided with primary shaft gland and secondary shaft gland respectively, the inboard of secondary shaft gland with the junction of pivot all is provided with supplementary sealed. The utility model discloses in, connect and adopt the sealed combination of high hard pottery to high hard pottery, can resist the destructive action of powder to sealed face, increase leakproofness through supplementary sealed and spring compensation. In order to solve the defect of no lubrication, an oil filling position is designed right above the matching surface of the sealing element of the joint according to the installation condition, and lubricating oil naturally drips to the sealing matching position in the bearing chamber at a certain time interval through an oil dripping cup and an oil conveying pipe to generate a lubricating effect.

Description

Abrasive material seal structure that can self-lubricate

Technical Field

The utility model relates to a seal structure technical field who connects especially relates to a but abrasive material seal structure of self-lubricating.

Background

In the grinding apparatus, there are many apparatuses that use dry grinding powder, and there are also ceramic production apparatuses that use dry ceramic powder. These powders have a high destructive effect on the seal and there are no substances in the medium environment which could produce a lubricating effect. According to working conditions, the joint needs to adopt a sealing material with enough high hardness, and the problem that the high-hardness sealing element is excessively abraded under the non-lubrication condition is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a self-lubricating abrasive sealing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a but abrasive material seal structure of self-lubricating, includes the casing, one side of casing is provided with the bearing room, the inside of bearing room is provided with the bearing, the inside of bearing is provided with the pivot, the both sides of bearing room are provided with first bearing cap and second bearing cap respectively, the inboard of second bearing cap with the junction of pivot all is provided with supplementary sealed, first bearing cap and second bearing cap with all be provided with the fastener between the bearing room, the junction of pivot and casing is provided with the stationary ring seat, the inboard of second bearing cap with be provided with spring and rotation stopping round pin between the stationary ring seat, the stationary ring seat with be provided with the sealing ring between the pivot.

As a further description of the above technical solution:

the upper end of the bearing chamber is fixedly connected with an oil dripping cup, and the upper end of the oil dripping cup is provided with an oil filling port.

As a further description of the above technical solution:

the lower end of the oil dripping cup is fixedly connected with an oil delivery pipe, and one end of the oil delivery pipe is connected to the inside of the bearing chamber.

As a further description of the above technical solution:

the outer ring of the bearing is connected with the inner side of the bearing chamber in a clamping mode, and the inner ring of the bearing is connected with the rotating shaft in a clamping mode.

As a further description of the above technical solution:

the fasteners respectively penetrate through the first bearing cover and the second bearing cover and are in threaded connection with one side of the corresponding bearing chamber.

As a further description of the above technical solution:

and two sides of the sealing ring are respectively connected with the static ring seat and the rotating shaft in a clamping manner.

As a further description of the above technical solution:

the rotating shaft, the shell, the sealing ring and the auxiliary seal are all made of high-ceramic materials.

The utility model discloses following beneficial effect has:

1. this but abrasive material seal structure of self-lubricating, when using, the joint adopts the sealed combination of high hard pottery to high hard pottery, can resist the destructive action of powder to sealed face, increases the leakproofness through supplementary sealed and spring compensation. In order to solve the defect of no lubrication, an oil filling position is designed right above the matching surface of the sealing element of the joint according to the installation condition, and lubricating oil naturally drips to the sealing matching position in the bearing chamber at a certain time interval through an oil dripping cup and an oil conveying pipe to generate a lubricating effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Illustration of the drawings:

1. a rotating shaft; 2. a housing; 3. a bearing chamber; 4. a first bearing gland; 5. a stationary ring seat; 6. a seal ring; 7. an oil dripping cup; 8. auxiliary sealing; 9. a spring; 10. a fastener; 11. a rotation stopping pin; 12. a bearing; 13. an oil delivery pipe; 14. a second bearing cap; 15. and an oil filling port.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a but abrasive material seal structure of self-lubricating, which comprises a housin 2, one side of casing 2 is provided with bearing room 3, the inside of bearing room 3 is provided with bearing 12, the inside of bearing 12 is provided with pivot 1, the both sides of bearing room 3 are provided with first bearing cap 4 and second bearing cap 14 respectively, the inboard of second bearing cap 14 all is provided with supplementary sealed 8 with the junction of pivot 1, all be provided with fastener 10 between first bearing cap 4 and second bearing cap 14 and the bearing room 3, the junction of pivot 1 and casing 2 is provided with stationary ring seat 5, be provided with spring 9 and rotation stopping pin 11 between the inboard of second bearing cap 14 and stationary ring seat 5, be provided with sealing ring 6 between stationary ring seat 5 and the pivot 1.

The upper end of the bearing chamber 3 is fixedly connected with an oil dripping cup 7, and the upper end of the oil dripping cup 7 is provided with an oil filling port 15; the lower extreme fixedly connected with defeated oil pipe 13 of oil dripping oil cup 7, the one end of defeated oil pipe 13 is connected to the inside of bearing room 3, through oil dripping oil cup 7 through defeated oil pipe 13, lets lubricating oil with certain time interval drip to the sealed cooperation department in the bearing room 3 naturally, produces lubricated effect.

The outer ring of the bearing 12 is clamped and connected with the inner side of the bearing chamber 3, the inner ring of the bearing 12 is clamped and connected with the rotating shaft 1, and the inner ring and the outer ring of the bearing 12 are respectively clamped and connected with the rotating shaft 1 and the bearing chamber 3, so that the slipping phenomenon can be prevented.

A plurality of fasteners 10 are respectively threaded through the first bearing cover 4 and the second bearing cover 14 and are connected with one side of the corresponding bearing chamber 3, and the fasteners 10 are used for fixedly connecting the first bearing cover 4 and the second bearing cover 14 with the corresponding bearing chamber 3, so that the bearing chamber 3 can be sealed.

The both sides of sealing ring 6 are established with quiet ring holder 5 and pivot 1 card respectively and are connected, prevent that the phenomenon of skidding from appearing in sealing ring 6, strengthen the leakproofness.

The rotating shaft 1, the shell 2, the sealing ring 6 and the auxiliary seal 8 are all made of high ceramic materials, so that the overall wear resistance can be increased.

The working principle is as follows: the joint adopts the sealing combination of high-hardness ceramics to the high-hardness ceramics, namely the high-ceramic materials of the rotating shaft 1, the shell 2, the sealing ring 6 and the auxiliary seal 8 are all positioned, the integral wear resistance can be increased, the damage effect of powder to the sealing surface can be resisted, and the sealing performance is increased through the compensation of the auxiliary seal 8 and the spring 9. In order to solve the defect of no lubrication, an oil filling position is designed right above the matching surface of a sealing element according to the installation condition of a joint, lubricating oil naturally drips to the sealing matching position in a bearing chamber 3 at a certain time interval through an oil dripping cup 7 through an oil conveying pipe 13 to generate a lubricating effect, the inner ring and the outer ring of a bearing 12 are respectively clamped with a rotating shaft 1 and the bearing chamber 3 to prevent the sliding of the bearing chamber, the two sides of a sealing ring 6 are respectively clamped and connected with a static ring seat 5 and the rotating shaft 1 to prevent the sliding of the sealing ring 6 and enhance the sealing property, and a fastener 10 is used for fixedly connecting a first bearing cover 4 and a second bearing cover 14 with the corresponding bearing chamber 3 so as to seal the bearing chamber 3.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A self-lubricatable abrasive sealing structure comprising a housing (2), characterized in that: a bearing chamber (3) is arranged at one side of the shell (2), a bearing (12) is arranged in the bearing chamber (3), a rotating shaft (1) is arranged in the bearing (12), a first bearing cover (4) and a second bearing cover (14) are respectively arranged at two sides of the bearing chamber (3), auxiliary seals (8) are arranged at the joints of the inner side of the second bearing cover (14) and the rotating shaft (1), fasteners (10) are arranged between the first bearing cover (4) and the second bearing cover (14) and the bearing chamber (3), a stationary ring seat (5) is arranged at the joint of the rotating shaft (1) and the shell (2), a spring (9) and a rotation stopping pin (11) are arranged between the inner side of the second bearing cover (14) and the stationary ring seat (5), and a sealing ring (6) is arranged between the static ring seat (5) and the rotating shaft (1).

2. A self-lubricatable abrasive seal arrangement according to claim 1, wherein: the upper end of the bearing chamber (3) is fixedly connected with an oil dripping cup (7), and the upper end of the oil dripping cup (7) is provided with an oil filling port (15).

3. A self-lubricatable abrasive seal structure according to claim 2, wherein: the lower end of the oil dripping cup (7) is fixedly connected with an oil delivery pipe (13), and one end of the oil delivery pipe (13) is connected to the inside of the bearing chamber (3).

4. A self-lubricatable abrasive seal structure according to claim 2, wherein: the outer ring of the bearing (12) is connected with the inner side of the bearing chamber (3) in a clamping mode, and the inner ring of the bearing (12) is connected with the rotating shaft (1) in a clamping mode.

5. A self-lubricatable abrasive seal arrangement according to claim 1, wherein: the fasteners (10) penetrate through the first bearing cover (4) and the second bearing cover (14) respectively and are in threaded connection with one side corresponding to the bearing chamber (3).

6. A self-lubricatable abrasive seal arrangement according to claim 1, wherein: and two sides of the sealing ring (6) are respectively connected with the static ring seat (5) and the rotating shaft (1) in a clamping manner.

7. A self-lubricatable abrasive seal arrangement according to claim 1, wherein: the rotating shaft (1), the shell (2), the sealing ring (6) and the auxiliary seal (8) are all made of high-ceramic materials.