CN212717341U - Bearing body double-layer sealing mechanism for centrifugal pump - Google Patents

Abstract

The utility model relates to a bearing seal technical field discloses a bearing body double-deck sealing mechanism who uses on centrifugal pump, including seal shell, bolt, dead lever and spacing post, seal shell's upper and lower both ends all weld the fixed block, the thread groove has been seted up at the fixed block middle part, bolt and thread groove screwed connection, the bolt lower extreme passes through bearing and limiting plate swing joint, one side that the fixed block was kept away from to the limiting plate is glued and is glutinous there is the rubber pad, the opening has all been seted up at seal shell's the left and right sides middle part, the fixed plate has all been welded to the left and right sides of seal shell inner chamber. The utility model discloses a bolt on the thread groove avoids the bearing body outer lane to take place to rock, through the rubber pad on the limiting plate, is convenient for increase the frictional force of limiting plate through the rubber pad to improve the stability of bearing body, and avoid damaging the bearing body, it is comparatively practical, be fit for extensively promoting and using.

Description

Bearing body double-layer sealing mechanism for centrifugal pump

Technical Field

The utility model relates to a bearing seal technical field specifically is a bearing body double-deck sealing mechanism who uses on centrifugal pump.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.

In implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: the existing bearing sealing mechanism is poor in sealing effect and inconvenient to maintain, and the use cost is greatly increased, so that the bearing body double-layer sealing mechanism used on the centrifugal pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing body double-deck sealing mechanism who uses on the centrifugal pump has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bearing body double-layer sealing mechanism used on a centrifugal pump comprises a sealing shell, a bolt, a fixed rod and a limiting column;

the sealing shell is characterized in that fixed blocks are welded at the upper end and the lower end of the sealing shell, a thread groove is formed in the middle of each fixed block, a bolt is in threaded connection with the thread groove, the lower end of the bolt is movably connected with a limiting plate through a bearing, a rubber pad is adhered to one side, away from the fixed blocks, of the limiting plate, through holes are formed in the middle of the left side and the right side of the sealing shell, fixed plates are welded on the left side and the right side of an inner cavity of the sealing shell, and a through groove;

lead to the groove and keep away from one side of opening and seted up the spout, the one end fixed mounting that the opening was kept away from to the dead lever has the slider, the lateral wall cover of spacing post is equipped with the spring, the one end fixed mounting that the dead lever is close to the opening has the rubber slab, the rubber slab semicircular in shape, sealed shell inner chamber middle part is provided with the bearing body.

As an preferable embodiment of the present invention, the size of the slider is identical to the sliding groove, and the slider is slidably connected to the sliding groove.

As a preferred embodiment of the present invention, the front surface of the sealing housing is provided with an access door.

As a preferred embodiment of the present invention, the radius of the opening is the same as the radius of the inner ring of the bearing body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a bolt on the thread groove, during the use, at first clockwise turning bolt, the bolt promotes the limiting plate and removes to the middle part, make the limiting plate inject the bearing body, avoid bearing body outer lane to take place to rock, through the rubber pad on the limiting plate, be convenient for increase the frictional force of limiting plate through the rubber pad, thereby improve the stability of bearing body, and avoid damaging the bearing body, through leading to dead lever on the groove and the spring on the spacing post, according to the spring resilience, the spring promotes the dead lever and removes to the middle part, make rubber slab and the laminating of axial surface on the dead lever, further improve seal shell's leakproofness, avoid external dust and impurity to get into from the opening, be favorable to more practical use a bearing body double-deck sealing mechanism who uses on the centrifugal pump.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an internal structure of a bearing body double-layer sealing mechanism for a centrifugal pump according to the present invention;

fig. 2 is a schematic diagram of a partially enlarged structure at a position a of the bearing body double-layer sealing mechanism for the centrifugal pump of the present invention;

fig. 3 is a schematic front view of a bearing body double-layer sealing mechanism for a centrifugal pump according to the present invention;

fig. 4 is the utility model relates to a bearing body double-deck sealing mechanism's that centrifugal pump is used rubber slab looks sideways at the schematic structure view.

In the figure: 1. the sealing device comprises a sealing shell, 2, a fixing block, 3, a thread groove, 4, a bolt, 5, a bearing, 6, a limiting plate, 7, a rubber pad, 8, a fixing plate, 9, a through groove, 10, a sliding groove, 11, a fixing rod, 12, a sliding block, 13, a limiting column, 14, a spring, 15, a rubber plate, 16, an opening, 17, a bearing body, 18 and an access door.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a bearing body double-layer sealing mechanism used on a centrifugal pump comprises a sealing shell 1, a bolt 4, a fixed rod 11 and a limiting column 13;

the sealing shell is characterized in that fixed blocks 2 are welded at the upper end and the lower end of the sealing shell 1, a thread groove 3 is formed in the middle of each fixed block 2, a bolt 4 is in threaded connection with each thread groove 3, the lower end of the bolt 4 is movably connected with a limiting plate 6 through a bearing 5, a rubber pad 7 is adhered to one side, away from each fixed block 2, of each limiting plate 6, through holes 16 are formed in the middle of the left side and the right side of the sealing shell 1, fixed plates 8 are welded on the left side and the right side of an inner cavity of the sealing shell 1, and a through groove 9;

lead to groove 9 and keep away from one side of opening 16 and seted up spout 10, the one end fixed mounting that opening 16 was kept away from to dead lever 11 has slider 12, the lateral wall cover of spacing post 13 is equipped with spring 14, the one end fixed mounting that dead lever 11 is close to opening 16 has rubber slab 15, rubber slab 15 is semicircular, 1 inner chamber middle part of seal housing is provided with bearing body 17.

Referring to fig. 1, 2, 3 and 4, in the present embodiment, when in use, by the bolt 4 on the thread groove 3, firstly, the bolt 4 is rotated clockwise, the bolt 4 pushes the limit plate 6 to move towards the middle part, so that the limit plate 6 limits the bearing body 17, the outer ring of the bearing body 17 is prevented from shaking, the rubber pad 7 on the limit plate 6 is convenient for increasing the friction force of the limit plate 6 through the rubber pad 7, thereby improving the stability of the bearing body 17 and avoiding damaging the bearing body 17, and through the fixing rod 11 on the through groove 16 and the spring 14 on the limiting column 13, according to the 14 resilience of spring, spring 14 promotes dead lever 11 and removes to the middle part, makes rubber slab 15 and the laminating of axle surface on the dead lever 11, further improves seal shell 1's leakproofness, avoids external dust and impurity to get into from opening 16, is favorable to the bearing body double-deck sealing mechanism who uses on the more practical use centrifugal pump.

The size of the sliding block 12 is matched with that of the sliding groove 10, and the sliding block 12 is in sliding connection with the sliding groove 10.

Wherein, the front surface of the sealing shell 1 is provided with an access door 18.

The radius of the through opening 16 is the same as the radius of the inner ring of the bearing body 17.

Theory of operation, during the use, at first clockwise turning bolt 4, bolt 4 promotes limiting plate 6 and removes to the middle part, make limiting plate 6 inject bearing body 17, avoid bearing body 17 outer lane to take place to rock, rubber pad 7 on through limiting plate 6, be convenient for increase limiting plate 6's frictional force through rubber pad 7, thereby improve bearing body 17's stability, and avoid damaging bearing body 17, through leading to dead lever 11 on groove 16 and the spring 14 on the spacing post 13, according to the 14 resilience of spring, spring 14 promotes dead lever 11 and removes to the middle part, make rubber slab 15 and the axle surface laminating on the dead lever 11, further improve seal shell 1's leakproofness, avoid external dust and impurity to get into from opening 16.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A bearing body double-layer sealing mechanism used on a centrifugal pump is characterized by comprising a sealing shell (1), a bolt (4), a fixed rod (11) and a limiting column (13);

the sealing shell is characterized in that fixed blocks (2) are welded at the upper end and the lower end of the sealing shell (1), a thread groove (3) is formed in the middle of each fixed block (2), a bolt (4) is in threaded connection with the thread groove (3), the lower end of the bolt (4) is movably connected with a limiting plate (6) through a bearing (5), a rubber pad (7) is bonded on one side, away from the fixed blocks (2), of the limiting plate (6), through holes (16) are formed in the middle of the left side and the right side of the sealing shell (1), fixed plates (8) are welded on the left side and the right side of the inner cavity of the sealing shell (1), and a through groove (9) is formed in one side;

lead to groove (9) and keep away from one side of opening (16) and seted up spout (10), the one end fixed mounting that opening (16) were kept away from in dead lever (11) has slider (12), the lateral wall cover of spacing post (13) is equipped with spring (14), the one end fixed mounting that dead lever (11) are close to opening (16) has rubber slab (15), rubber slab (15) semicircular in shape, seal housing (1) inner chamber middle part is provided with bearing body (17).

2. The bearing body double-layer sealing mechanism for a centrifugal pump according to claim 1, wherein: the size of the sliding block (12) is matched with that of the sliding groove (10), and the sliding block (12) is in sliding connection with the sliding groove (10).

3. The bearing body double-layer sealing mechanism for a centrifugal pump according to claim 1, wherein: an access door (18) is arranged on the front surface of the sealing shell (1).

4. The bearing body double-layer sealing mechanism for a centrifugal pump according to claim 1, wherein: the radius of the through opening (16) is the same as that of the inner ring of the bearing body (17).

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