CN213040287U

CN213040287U - Mechanical seal lubricating arrangement

Info

Publication number: CN213040287U
Application number: CN202021981604.6U
Authority: CN
Inventors: 张焕生
Original assignee: Aikechen Technology Tianjin Co ltd
Current assignee: Aikechen Technology Tianjin Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-23
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a mechanical seal lubricating device, which comprises an inner ring and a bearing, wherein the bearing is arranged on the outer periphery of the inner ring, the inner ring is fixedly sleeved with the bearing, the outer periphery of the bearing is provided with an outer ring, the outer ring is fixedly sleeved with the bearing, an oil filling hole is arranged at the upper end axle center of the outer ring, a lubricating mechanism is arranged at the upper end of the oil filling hole, and lubricating oil is injected into the lubricating mechanism, so that the lubricating oil can be directly added into the oil filling hole through the lubricating mechanism, thereby avoiding the abrasion caused by opening the oil filling hole, the utility model discloses a connecting cylinder is arranged in the lubricating mechanism, and a sponge body is arranged in the connecting cylinder, so that when the lubricating oil is added into the connecting cylinder, the sponge body can adsorb the lubricating oil, and when the lubricating oil works, the lubricating oil in the connecting cylinder can not collide up and down, so that noise due to collision can be avoided.

Description

Mechanical seal lubricating arrangement

Technical Field

The utility model belongs to the technical field of mechanical seal is relevant, concretely relates to mechanical seal lubricating arrangement.

Background

The mechanical seal is a shaft seal device of a rotating machine, such as a centrifugal pump, a centrifuge, a reaction kettle, a compressor and other equipment, and is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotating axis, and the end faces are kept to be attached and slide relative to each other under the action of fluid pressure and elastic force or magnetic force of a compensation mechanism and the cooperation of auxiliary seals.

The prior mechanical seal lubricating device has the following problems: the existing mechanical seal lubricating device generally only adds lubricating oil directly towards the inside of the oil filling hole, so that lubricating oil is required to be added continuously after a period of time, and the phenomenon of leakage caused by the fact that the thread at the surface end of the oil filling hole is ground flat under the action of a long time can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal lubricating arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal lubricating arrangement, includes inner ring and bearing, inner ring outside a week is provided with the bearing, the inner ring cup joints fixedly with the bearing, outside a week of bearing is provided with the outer loop, the outer loop cup joints fixedly with the bearing, the upper end axle center department of outer loop is provided with the oil filler point, the upper end of oil filler point is provided with lubricating mechanism, lubricating mechanism's constitution is including end cover, connecting cylinder and connecting pipe, the upper end of connecting pipe is provided with the connecting cylinder, the upper end of connecting cylinder is provided with the end cover, lubricating mechanism passes through connecting pipe and oil filler point and passes through internal thread groove swivelling joint.

Preferably, the connecting cylinder comprises a connecting wall, a cavernous body and a pipe wall, the cavernous body is arranged inside the pipe wall, the connecting wall is arranged at the periphery of the upper end of the pipe wall, and the connecting cylinder is rotatably connected with the end cover through the connecting wall and the internal thread groove.

Preferably, the outer ring and the inner ring are both in a ring body structure, the outer ring and the inner ring are in a concentric circle structure, and the diameter of the cross section of the outer ring is larger than that of the cross section of the inner ring.

Preferably, the connecting pipe is of a hollow cylindrical structure, a thread groove is formed in the periphery of the outer side of the connecting pipe, and a sealing gasket is arranged on one side, close to the connecting cylinder, of the connecting pipe.

Preferably, the cavernous body is of a cylindrical structure, and the length of the cavernous body is smaller than the depth of the pipe wall.

Preferably, the oil filling hole is of a cylindrical structure with a hollow inner part, and the oil filling hole is fixed with the outer ring in a spot welding mode.

Compared with the prior art, the utility model provides a mechanical seal lubricating arrangement possesses following beneficial effect:

(1) the lubricating mechanism is arranged at the upper end of the oil filling hole, and lubricating oil is injected into the lubricating mechanism, so that when the outer ring and the inner ring need to be lubricated, the lubricating oil can be directly added into the oil filling hole through the lubricating mechanism, and the abrasion caused by opening the oil filling hole is avoided;

(2) the utility model discloses in be provided with the connecting cylinder in lubricating mechanism's inside, be provided with the cavernosum in the inside of connecting cylinder moreover, like this when adding lubricating oil towards the connecting cylinder is inside, can adsorb through the cavernosum, like this when carrying out the during operation, collision about the inside lubricating oil of connecting cylinder can not appear to can avoid because the noise that the collision appears.

Drawings

Fig. 1 is a schematic structural view of the mechanical seal lubricating device of the present invention;

FIG. 2 is a schematic view of the overall structure of the lubricating mechanism of the present invention;

FIG. 3 is a schematic sectional view of the connecting cylinder of the present invention;

in the figure: 1. a lubrication mechanism; 11. an end cap; 12. a connecting cylinder; 121. a connecting wall; 122. a sponge body; 123. a tube wall; 13. a connecting pipe; 2. an oil filler hole; 3. an outer ring; 4. a bearing; 5. an inner 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the present invention provides a technical solution: a mechanical seal lubricating device comprises an inner ring 5 and a bearing 4, the bearing 4 is arranged on the outer circumference of the inner ring 5, the inner ring 5 is fixedly sleeved with the bearing 4, the outer ring 3 is arranged on the outer circumference of the bearing 4, the outer ring 3 and the inner ring 5 are both in a ring body structure, so that the inner ring 5 can better rotate, the outer ring 3 and the inner ring 5 are in a concentric circle structure, the section diameter of the outer ring 3 is larger than that of the inner ring 5, the outer ring 3 is fixedly sleeved with the bearing 4, an oil filling hole 2 is arranged at the upper end axis of the outer ring 3, a lubricating mechanism 1 is arranged at the upper end of the oil filling hole 2, the oil filling hole 2 is in a hollow cylinder structure, the oil filling hole 2 and the outer ring 3 are fixed in a spot welding manner, so that the oil filling hole 2 cannot leak, the lubricating mechanism 1 comprises an end cover 11, a connecting cylinder 12 and a, a thread groove is arranged on the periphery of the outer side of the connecting pipe 13, the connecting pipe 13 can better achieve the connecting effect through the arrangement of the thread groove, a sealing gasket is arranged on one side, close to the connecting cylinder 12, of the connecting pipe 13, the connecting cylinder 12 comprises a connecting wall 121, a sponge body 122 and a pipe wall 123, the sponge body 122 is arranged inside the pipe wall 123, the sponge body 122 is of a cylindrical structure, the length of the sponge body 122 is smaller than the depth of the pipe wall 123, through the setting of cavernosum 122, can be so that the phenomenon of collision is avoided to better storage lubricating oil, upper end a week department of pipe wall 123 is provided with connecting wall 121, connecting cylinder 12 passes through connecting wall 121 and end cover 11 and passes through internal thread groove swivelling joint, and the upper end of connecting pipe 13 is provided with connecting cylinder 12, and the upper end of connecting cylinder 12 is provided with end cover 11, and lubricated mechanism 1 passes through connecting pipe 13 and oil filler point 2 through internal thread groove swivelling joint.

The utility model discloses a theory of operation and use flow: when the device is to be used, the lubrication means 1 is first taken out, the lubricating oil is then injected into the lubrication means 1 through the connecting pipe 13 inside the lubrication means 1, the lubricating oil is then injected into the outer ring 3 and the inner ring 5 through the oil holes 2, the lubrication means 1 and the oil holes 2 are then connected to each other, and when the device is mounted, when the device is used for a period of time, when it is necessary to add oil, the end cap 11 inside the lubricating mechanism 1 is opened, then, the sponge body 122 inside the connecting cylinder 12 is pressed, so that the lubricating oil absorbed inside the sponge body 122 flows into the inside of the outer ring 3, which can perform a lubricating function, when the addition of the lubricating oil is completed, the end cover 11 is closed, and by avoiding frequent opening of the oil filler hole 2, thus, the service life of the integral structure can be effectively prolonged, and the device is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mechanical seal lubricating arrangement, includes inner ring (5) and bearing (4), its characterized in that: the outside a week of inner ring (5) is provided with bearing (4), inner ring (5) cup joint fixedly with bearing (4), the outside a week of bearing (4) is provided with outer ring (3), outer ring (3) cup joint fixedly with bearing (4), the upper end axle center department of outer ring (3) is provided with oil filler point (2), the upper end of oil filler point (2) is provided with lubricated mechanism (1), the constitution of lubricated mechanism (1) is including end cover (11), connecting cylinder (12) and connecting pipe (13), the upper end of connecting pipe (13) is provided with connecting cylinder (12), the upper end of connecting cylinder (12) is provided with end cover (11), lubricated mechanism (1) is through connecting pipe (13) and oil filler point (2) through internal thread groove swivelling joint.

2. A mechanical seal lubrication device as claimed in claim 1, wherein: the connecting cylinder (12) comprises a connecting wall (121), a sponge body (122) and a pipe wall (123), the sponge body (122) is arranged inside the pipe wall (123), the connecting wall (121) is arranged at a circle of the upper end of the pipe wall (123), and the connecting cylinder (12) is rotatably connected with the end cover (11) through the connecting wall (121) and an internal thread groove.

3. A mechanical seal lubrication device as claimed in claim 1, wherein: the outer ring (3) and the inner ring (5) are both in a ring body structure, the outer ring (3) and the inner ring (5) are in concentric circle structures, and the section diameter of the outer ring (3) is larger than that of the inner ring (5).

4. A mechanical seal lubrication device as claimed in claim 1, wherein: the connecting pipe (13) is of a hollow cylinder structure, a thread groove is formed in the periphery of the outer side of the connecting pipe (13), and a sealing gasket is arranged on one side, close to the connecting cylinder (12), of the connecting pipe (13).

5. A mechanical seal lubrication device as claimed in claim 2, wherein: the sponge body (122) is of a cylindrical structure, and the length of the sponge body (122) is smaller than the depth of the pipe wall (123).

6. A mechanical seal lubrication device as claimed in claim 1, wherein: the oil filler point (2) is a hollow cylinder structure, and the oil filler point (2) is fixed with the outer ring (3) in a spot welding manner.