CN214367261U

CN214367261U - Combined labyrinth seal bearing

Info

Publication number: CN214367261U
Application number: CN202120029376.0U
Authority: CN
Inventors: 何庆
Original assignee: Sichuan Green Ante Environmental Protection Technology Co ltd
Current assignee: Sichuan Green Ante Environmental Protection Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-08
Anticipated expiration: 2031-01-07

Abstract

The utility model provides a modular labyrinth seal bearing, including the first bearing body and the second bearing body, the right side fixed mounting of the first bearing body has the barrel, and the upper and lower both sides fixed mounting of barrel has spacing hemisphere, has seted up first semicircular groove in the second bearing body, and the inclined ring groove has been seted up with the place that first semicircular groove is linked together in the second bearing body. The utility model discloses a cover is equipped with the sealing ring circle on the barrel, slide the half slot on the second bearing body to spacing hemisphere on the barrel, the rotatory first bearing body in back, the half slot on the drive barrel slides in the bearing diagonal groove, slide in the first half annular until the half slot, the thickness of sealing ring circle here sets up to be greater than the first bearing body and the second bearing body and dock the distance between them after, when fixing in the first half annular of sliding in the half slot like this, the sealing ring circle is in receiving the extrusion, guarantee the leakproofness of first bearing body and second bearing body after the butt joint, when realizing quick butt joint, it is good still to guarantee the leakproofness.

Description

Combined labyrinth seal bearing

Technical Field

The utility model relates to a sealed bearing technical field specifically is a modular labyrinth seal bearing.

Background

The labyrinth seal is that several ring seal teeth are arranged around the rotating shaft, a series of cut-off gaps and expansion cavities are formed between teeth, and the sealed medium produces throttling effect when passing through the gaps of the zigzag labyrinth, so as to achieve the purpose of leakage resistance. The function of the fluid creating resistance and reducing its flow through the labyrinth is called the "labyrinth effect". For liquid, the fluid mechanical effect comprises a hydraulic friction resistance effect and a flow beam contraction effect; for gases, there is also the thermodynamic effect, i.e. the thermal conversion of the gas in the labyrinth by compression or expansion; in addition, there are "ventilation effects" and the like. Whereas the maze effect is a comprehensive reaction of these effects.

When the equipment in the prior art is combined, the equipment is difficult to be quickly butted, the sealing performance after butt joint is poor, and the use performance is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a modular labyrinth seal bearing to solve the problem of proposing in the above-mentioned background art.

The technical scheme of the utility model is realized like this: the utility model provides a modular labyrinth seal bearing, includes the first bearing body and the second bearing body, the right side fixed mounting of the first bearing body has the barrel, the upper and lower both sides fixed mounting of barrel has spacing hemisphere, first semicircular groove has been seted up in the second bearing body, the second bearing internal with the skewed ring groove has been seted up in the place that first semicircular groove is linked together, the second bearing internal with the place that skewed ring groove communicates mutually is equipped with the semicircular groove.

Preferably, a second ring groove is formed in the second bearing body, a second steel ball rolls on the second ring groove, a second ring body is arranged in the second bearing body, the second steel ball rolls between the second ring body and the second ring groove, and a second sealing ring is movably embedded at the right end of the second bearing body.

Preferably, a first ring groove is formed in the first bearing body, a first steel ball rolls on the first ring groove, a first ring body is arranged in the first bearing body, the first steel ball rolls between the first ring groove and the first ring groove, and a first sealing ring is movably embedded at the left end of the first bearing body.

Preferably, a sealing ring is arranged between the first bearing body and the second bearing body, and the sealing ring is sleeved on the outer surface of the cylinder body.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a cover is equipped with the sealing ring circle on the barrel, slide the half slot on the second bearing body to spacing hemisphere on the barrel, the rotatory first bearing body in back, the half slot on the drive barrel slides in the bearing diagonal groove, slide in the first half annular until the half slot, the thickness of sealing ring circle here sets up to be greater than the first bearing body and the second bearing body and dock the distance between them after, when fixing in the first half annular of sliding in the half slot like this, the sealing ring circle is in receiving the extrusion, guarantee the leakproofness of first bearing body and second bearing body after the butt joint, when realizing quick butt joint, it is good still to guarantee the leakproofness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the internal structure of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the second bearing body of fig. 2 according to the present invention;

fig. 4 is a left side view of fig. 3 according to the present invention.

The attached drawings are as follows: 1. a first bearing body; 2. a second bearing body; 3. sealing the ring; 4. a barrel; 5. a limiting hemisphere; 6. a first half ring groove; 7. an oblique ring groove; 8. a semicircular groove; 9. a first ring groove; 10. a first steel ball; 11. a first ring body; 12. a first seal ring; 13. a second ring groove; 14. a second steel ball; 15. a second ring body; 16. a second seal 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 efforts 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. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 to 4, the embodiment of the utility model discloses a modular labyrinth seal bearing, including the first bearing body 1 and the second bearing body 2, the right side fixed mounting of the first bearing body 1 has barrel 4, and the upper and lower both sides fixed mounting of barrel 4 has spacing hemisphere 5, has seted up first semicircular groove 6 in the second bearing body 2, and inclined ring groove 7 has been seted up with the place that first semicircular groove 6 is linked together in the second bearing body 2, and the place that is linked together with inclined ring groove 7 in the second bearing body 2 is equipped with semicircular groove 8.

In this embodiment, a second annular groove 13 is formed in the second bearing body 2, second steel balls 14 roll on the second annular groove 13, a second annular body 15 is disposed in the second bearing body 2, the second steel balls 14 roll between the second annular body 15 and the second annular groove 13, and a second sealing ring 16 is movably embedded at the right end of the second bearing body 2.

In this embodiment, a first ring groove 9 is formed on the first bearing body 1, a first steel ball 10 rolls on the first ring groove 9, a first ring body 11 is disposed in the first bearing body 1, the first steel ball 10 rolls between the first ring body 11 and the first ring groove 9, and a first sealing ring 12 is movably embedded at the left end of the first bearing body 1.

In this embodiment, a sealing ring 3 is disposed between the first bearing body 1 and the second bearing body 2, and the sealing ring 3 is sleeved on the outer surface of the cylinder 4.

The working principle is as follows: when the sealing device is used, the sealing ring 3 is sleeved on the barrel body 4, the limiting hemisphere 5 on the barrel body 4 slides into the semicircular groove 8 on the second bearing body 2, the first bearing body 1 is rotated afterwards, the semicircular groove 8 on the barrel body 4 is driven to slide into the inclined annular groove 7 until the semicircular groove 8 slides into the first semicircular groove 6, the thickness of the sealing ring 3 is set to be larger than the distance between the first bearing body 1 and the second bearing body 2 after being butted, and therefore when the semicircular groove 8 slides into the first semicircular groove 6 to be fixed, the sealing ring 3 is extruded, the sealing performance of the first bearing body 1 and the second bearing body 2 after being butted is guaranteed, quick butt joint is achieved, and meanwhile good sealing performance is guaranteed.

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 utility model provides a modular labyrinth seals bearing, includes the first bearing body (1) and the second bearing body (2), its characterized in that: the right side fixed mounting of the first bearing body (1) has barrel (4), the upper and lower both sides fixed mounting of barrel (4) has spacing hemisphere (5), first semicircular groove (6) have been seted up in the second bearing body (2), in the second bearing body (2) with oblique annular groove (7) have been seted up in the place that first semicircular groove (6) are linked together, in the second bearing body (2) with the place that oblique annular groove (7) are linked together is equipped with semicircular groove (8).

2. The combined labyrinth seal bearing according to claim 1, characterized in that: the bearing is characterized in that a second ring groove (13) is formed in the second bearing body (2), second steel balls (14) roll on the second ring groove (13), a second ring body (15) is arranged in the second bearing body (2), the second ring body (15) rolls between the second ring groove (13) and is provided with the second steel balls (14), and a second sealing ring (16) is movably embedded at the right end of the second bearing body (2).

3. The combined labyrinth seal bearing according to claim 1, characterized in that: first annular (9) have been seted up on the first bearing body (1), it has first steel ball (10) to roll on first annular (9), be provided with first ring body (11) in the first bearing body (1), first ring body (11) with it has first steel ball (10) to roll between first annular (9).

4. The combined labyrinth seal bearing according to claim 3, characterized in that: the left end of the first bearing body (1) is movably embedded with a first sealing ring (12).

5. The combined labyrinth seal bearing according to claim 4, characterized in that: a sealing ring (3) is arranged between the first bearing body (1) and the second bearing body (2), and the sealing ring (3) is sleeved on the outer surface of the cylinder body (4).