CN220360928U - Thrust oil basin respirator for preventing oil mist leakage - Google Patents

Abstract

The utility model discloses a thrust oil basin respirator for preventing oil mist leakage, which comprises a first shell, a filter element and a second shell, wherein the first shell is provided with a first opening, the first opening is positioned at the lower end of the first shell and is suitable for being communicated with the interior of an oil basin, the filter element is connected in the first shell and divides the interior space of the first shell into a first cavity and a second cavity, the first cavity is positioned above the second cavity, the upper end of the filter element is communicated with the first cavity, the lower end of the filter element is communicated with the second cavity, the first opening is communicated with the second cavity, the second shell is sleeved on the first shell, a third cavity is arranged in the second shell and is respectively communicated with the first cavity and the outside, and the third cavity is filled with an adsorbent. The thrust oil basin respirator for preventing oil mist leakage prevents the oil mist from leaking into the air in a large amount to influence the safety of equipment and staff through the arrangement of the filter element and the second shell.

Description

Thrust oil basin respirator for preventing oil mist leakage

Technical Field

The utility model belongs to the technical field of hydroelectric generation, and particularly relates to a thrust oil basin respirator for preventing oil mist leakage.

Background

In the running process of the hydro-generator set, the rotor of the hydro-generator is rotated at a high speed to drive the rotating parts in the oil groove to rotate at a high speed to throw out lubricating oil at a high speed, the lubricating oil is splashed and atomized around after striking the inner wall of the oil groove or other parts, and meanwhile, the lubricating oil absorbs heat of the rotating parts to raise the oil temperature in the oil groove, so that oil mist and splashed oil drops are continuously formed in the thrust bearing oil basin in the running process of the generator set.

In the related art, the respirator is arranged on the oil basin to keep the pressure balance in the oil basin, but the blocking capability of the existing respirator to splashed oil drops and oil mist is limited, the oil drops and the oil mist are easy to overflow from the respirator, the safety of equipment and workers is affected, and the maintenance workload of the workers is increased.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the thrust oil basin respirator for preventing oil mist leakage, which reduces the overflow of lubricating oil on one hand and reduces the potential safety hazard of the overflowed lubricating oil to equipment and staff on the other hand.

The thrust oil basin respirator capable of preventing oil mist leakage comprises a first shell, a filter element and a second shell, wherein a first opening is formed in the first shell, the first opening is located at the lower end of the first shell, the first opening is suitable for being communicated with the interior of an oil basin, the filter element is connected in the first shell and divides the interior space of the first shell into a first cavity and a second cavity, the first cavity is located above the second cavity, the upper end of the filter element is communicated with the first cavity, the lower end of the filter element is communicated with the second cavity, the first opening is communicated with the second cavity, the second shell is sleeved on the first shell, a third cavity is formed in the second shell, the third cavity is respectively communicated with the first cavity and the outside, and the third cavity is filled with an adsorbent.

According to the thrust oil basin respirator for preventing oil mist leakage, disclosed by the embodiment of the utility model, through the arrangement of the filter element and the second shell, the influence on the safety of equipment and staff caused by the fact that a large amount of oil mist leaks into the air is avoided.

In some embodiments, the thrust cone respirator of the present embodiments that prevents leakage of oil mist further includes a first spoiler assembly and a second spoiler assembly.

The first spoiler assembly comprises a third shell, a first spoiler and a first breathing port, the third shell is detachably connected to the first shell and located below the first shell, the upper end of the third shell is communicated with the first opening, the first spoiler is connected to the third shell, and a space is reserved between the first spoiler and the inner wall of the third shell, so that the first spoiler and the third shell define the first breathing port.

The second vortex subassembly includes fourth shell, second spoiler and second breathing mouth, the fourth shell can dismantle connect in the third shell and be located the third shell below, the upper end of fourth shell with the lower extreme intercommunication of third shell, the lower extreme of fourth shell be suitable for with the inside intercommunication of oil basin, the second spoiler connect in the fourth shell, just second spoiler with have the interval between the inner wall of fourth shell, make second spoiler with the fourth shell defines the second breathing mouth, the projection of second breathing mouth on the horizontal plane with the projection of first breathing mouth on the horizontal plane does not coincide.

In some embodiments, an end of the first spoiler distal from the first breathing port is above an end of the first spoiler proximal to the first breathing port, and an end of the second spoiler distal from the first breathing port is above an end of the second spoiler proximal to the first breathing port.

In some embodiments, the first spoiler assembly and the second spoiler assembly are each plural, and the plural first spoiler assemblies and the plural second spoiler assemblies are alternately distributed along the up-down direction.

In some embodiments, the thrust oil basin respirator for preventing oil mist leakage further comprises a first cover plate and at least one elastic telescopic rod, wherein the first shell is further provided with a second opening, the second opening is positioned at the upper end of the second shell, the first cover plate is detachably connected to the first shell to seal the second opening, the upper end of the elastic telescopic rod is detachably connected with the first cover plate, and the lower end of the elastic telescopic rod is detachably connected with the filter element.

In some embodiments, the elastic telescopic rod comprises a first rod, a second rod and an elastic piece, wherein the first rod is sleeved on the second rod and is located above the second rod, the first rod is slidable on the second rod along the axis direction of the second rod, the elastic piece is sleeved on the second rod, the upper end of the elastic piece abuts against the first rod, and the lower end of the elastic piece abuts against the second rod.

In some embodiments, the first housing further has a plurality of first protrusions above the second housing, the plurality of first protrusions are distributed at intervals along a circumferential direction of the first housing, the first cover plate is provided with a plurality of second protrusions, the plurality of second protrusions are in one-to-one correspondence with the plurality of first protrusions, the first cover plate is rotatable on the first housing to enable the second protrusions to have a locking position and an unlocking position, at least part of the second protrusions are located right below the corresponding first protrusions and are abutted against the first protrusions, and in the unlocking position, the second protrusions are separated from the first protrusions.

In some embodiments, the first housing is provided with a plurality of circles of through grooves communicated with the first cavity, the plurality of circles of through grooves are distributed at intervals along an up-down direction, the plurality of through grooves in each circle are distributed at intervals along a circumferential direction of the first housing, the second housing is provided with a first through hole and a second through hole, the first through hole is respectively communicated with the third cavity and the through grooves, the first through hole is provided with a plurality of circles, the plurality of first through holes in each circle are distributed at intervals along the up-down direction, the plurality of first through holes in each circle are distributed at intervals along the circumferential direction of the second housing, the second through holes are respectively communicated with the third cavity and the outside, the second through holes are distributed at intervals along the up-down direction, and the plurality of second through holes in each circle are distributed at intervals along the circumferential direction of the second housing.

In some embodiments, the second housing includes a first baffle, a second baffle, a bottom plate, and a second cover plate, where the first baffle is attached to the first housing, the first baffle is located between the first housing and the second baffle, the bottom plate is located below the first baffle and the second baffle, and the bottom plate is connected to a lower end of the first baffle and a lower end of the second baffle, respectively, the second cover plate is located above the first baffle and the second baffle, and the second cover plate is abutted to an upper end of the first baffle and an upper end of the second baffle, respectively, so that the first baffle, the second baffle, the bottom plate, and the second cover plate enclose a closed space to define the third chamber; the first through hole is formed in the first baffle, and the second through hole is formed in the second baffle.

In some embodiments, the thrust oil basin respirator for preventing oil mist leakage according to the embodiments of the present utility model further includes a plurality of connection pieces, wherein a plurality of the second shells are distributed at intervals in a circumferential direction of the first shell, a connection area is formed between two adjacent second shells, the number of the connection pieces is equal to and corresponds to that of the connection areas, and the connection pieces are located in the corresponding connection areas and connect the two adjacent second shells.

Drawings

FIG. 1 is a front view of a thrust cone respirator of an embodiment of the present utility model that prevents leakage of oil mist.

Fig. 2 is a schematic perspective view of a thrust cone respirator of an embodiment of the present utility model that prevents leakage of oil mist.

FIG. 3 is a top view of a thrust cone respirator of an embodiment of the present utility model that prevents leakage of oil mist.

Fig. 4 is a cross-sectional view taken along line A-A in fig. 3 in accordance with the present utility model.

Fig. 5 is a schematic perspective view of the utility model in section A-A of fig. 3.

Reference numerals:

a first housing 1; a first opening 11; a first chamber 12; a second chamber 13; a second opening 14; a first protrusion 15; a through slot 16;

a filter element 2;

a second housing 3; a third chamber 31; a first through hole 32; a second through hole 33; a first baffle 34; a second baffle 35; a bottom plate 36; a second cover plate 37;

a first spoiler assembly 4; a third housing 41; a first spoiler 42; a first breathing port 43;

a second spoiler assembly 5; a fourth housing 51; a second spoiler 52; a second breathing port 53;

a first cover plate 6; a second protrusion 61;

an elastic telescopic rod 7; a first lever 71; a second rod 72; an elastic member 73;

and a connecting piece 8.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The thrust oil basin respirator for preventing leakage of oil mist according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the thrust basin respirator for preventing leakage of oil mist according to the embodiment of the present utility model includes a first housing 1, a filter element 2, and a second housing 3.

Wherein the first housing 1 has a first opening 11 thereon, the first opening 11 is located at the lower end of the first housing 1, and the first opening 11 is adapted to communicate with the interior of an oil basin (not shown), so that oil mist generated in the oil basin enters the first housing 1 through the first opening 11.

The filter core 2 is connected in the first shell 1 and separates the inner space of the first shell 1 into a first chamber 12 and a second chamber 13, the first chamber 12 is positioned above the second chamber 13, the upper end of the filter core 2 is communicated with the first chamber 12, the lower end of the filter core 2 is communicated with the second chamber 13, fluid in the second chamber 13 enters the first chamber 12 after passing through the filter core 2, the filter core 2 filters the fluid, oil mist overflowed from the first shell 1 is reduced, the first opening 11 is communicated with the second chamber 13, and after oil mist is generated in the oil basin, the oil mist enters the second chamber 13 through the first opening 11.

The second shell 3 is sleeved on the first shell 1, a third chamber 31 is arranged in the second shell 3, the third chamber 31 is respectively communicated with the first chamber 12 and the outside, an adsorbent is filled in the third chamber 31, and after fluid in the first chamber 12 enters the third chamber 31, the adsorbent in the third chamber 31 adsorbs oil mist, so that the oil mist is prevented from leaking to the air.

The thrust oil basin respirator for preventing oil mist leakage prevents the oil mist from leaking into the air in a large amount to influence the safety of equipment and staff by arranging the filter element 2 and the second housing 3.

As shown in fig. 4 and 5, in some embodiments, the thrust cone respirator of the present utility model for preventing leakage of oil mist further includes a first spoiler assembly 4 and a second spoiler assembly 5.

The first spoiler assembly 4 includes a third casing 41, a first spoiler 42 and a first breathing port 43, the third casing 41 is detachably connected to the first casing 1 and located below the first casing 1, an upper end of the third casing 41 is communicated with the first opening 11, the first spoiler 42 is connected in the third casing 41, and a space is provided between the first spoiler 42 and an inner wall of the third casing 41, so that the first spoiler 42 and the third casing 41 define the first breathing port 43.

The second spoiler assembly 5 includes a fourth housing 51, a second spoiler 52 and a second breathing port 53, the fourth housing 51 being detachably connected to the third housing 41 and being located below the third housing 41, an upper end of the fourth housing 51 being in communication with a lower end of the third housing 41, the lower end of the fourth housing 51 being adapted to communicate with an interior of the oil pan, the second spoiler 52 being connected within the fourth housing 51 with a space between the second spoiler 52 and an inner wall of the fourth housing 51 such that the second spoiler 52 and the fourth housing 51 define the second breathing port 53, a projection of the second breathing port 53 on a horizontal plane being misaligned with a projection of the first breathing port 43 on a horizontal plane.

It should be noted that, when the oil mist and the oil drops enter the inner opening of the fourth housing 51, the second spoiler 52 blocks the oil mist and the oil drops, so that the oil mist and the oil drops can only move from the second breathing opening 53 to the upper side of the second spoiler 52, and then the oil mist and the oil drops continue to move upwards, the first spoiler 42 blocks the oil mist and the oil drops, so that the oil mist and the oil drops can only enter the upper side of the first spoiler 42 from the first breathing opening 43, and the first spoiler 42 and the second spoiler 52 block the splashed oil drops, thereby greatly reducing the oil drops entering the first housing 1 and prolonging the service life of the filter element 2.

As shown in fig. 4 and 5, in some embodiments, an end of the first spoiler 42 (a left end as viewed in fig. 4) that is distal from the first breathing port 43 is above an end of the first spoiler 42 (a right end as viewed in fig. 4) that is proximal to the first breathing port 43, causing oil droplets on the first spoiler 42 to flow toward the first breathing port 43, and an end of the second spoiler 52 (a right end as viewed in fig. 4) that is distal from the first breathing port 43 is above an end of the second spoiler 52 (a left end as viewed in fig. 4) that is proximal to the first breathing port 43, causing oil droplets on the second spoiler 52 to flow toward the second breathing port 53.

Specifically, the first spoiler 42 is inclined downward in the left-to-right direction, and the second spoiler 52 is inclined downward in the right-to-left direction.

As shown in fig. 4 and 5, in some embodiments, the first spoiler 4 and the second spoiler 5 are multiple, and the first spoiler 4 and the second spoiler 5 are alternately distributed along the up-down direction, so that the first spoiler 4 and the second spoiler 5 further improve the blocking effect on the oil drops.

As shown in fig. 4 and 5, in some embodiments, the thrust oil basin respirator for preventing oil mist leakage further includes a first cover plate 6 and at least one elastic telescopic rod 7, the first housing 1 further has a second opening 14, the second opening 14 is located at an upper end of the second housing 3, the first cover plate 6 is detachably connected to the first housing 1 to block the second opening 14, an upper end of the elastic telescopic rod 7 is detachably connected to the first cover plate 6, and a lower end of the elastic telescopic rod 7 is detachably connected to the filter element 2.

It should be noted that, the first cover plate 6 is connected with the filter element 2 through the elastic telescopic rod 7, the filter element 2 is placed in the first housing 1 and the first cover plate 6 is connected to the first housing 1, then the filter element 2 is installed, the first cover plate 6 is removed from the first housing 1 and moves upwards, the first cover plate 6 drives the filter element 2 to move upwards until the filter element 2 moves out of the first chamber 12, and then the filter element 2 is detached, so that the filter element 2 is detached conveniently.

Specifically, external threads (not shown) are respectively formed at the upper end and the lower end of the elastic telescopic rod 7, internal threads (not shown) matched with the external threads are respectively formed on the first cover plate 6 and the filter element 2, and the elastic telescopic rod 7 is in threaded connection with the first cover plate 6 and the filter element 2 respectively.

As shown in fig. 4 and 5, specifically, the elastic telescopic rod 7 includes a first rod 71, a second rod 72, and an elastic member 73, the first rod 71 is sleeved on the second rod 72 and is located above the second rod 72, the first rod 71 is slidable on the second rod 72 along the axis direction of the second rod 72, the elastic member 73 is sleeved on the second rod 72, the upper end of the elastic member 73 abuts against the first rod 71, and the lower end of the elastic member 73 abuts against the second rod 72.

As shown in fig. 1 to 5, in some embodiments, the first housing 1 further has a first protrusion 15 located above the second housing 3, the first protrusion 15 has a plurality of first protrusions 15, the plurality of first protrusions 15 are distributed at intervals along the circumferential direction of the first housing 1, the first cover plate 6 is provided with a plurality of second protrusions 61, the plurality of second protrusions 61 are in one-to-one correspondence with the plurality of first protrusions 15, and the first cover plate 6 is rotatable on the first housing 1 such that the second protrusions 61 have a locking position and an unlocking position, in which at least part of the second protrusions 61 are located directly below the corresponding first protrusions 15 and are abutted against the first protrusions 15, and in the unlocking position, the second protrusions 61 are separated from the first protrusions 15.

Thus, in these embodiments, the thrust basin respirator for preventing leakage of oil mist according to the embodiments of the present utility model facilitates the removal and installation of the first cover plate 6 by providing the first protrusion 15 and the second protrusion 61.

As shown in fig. 1 to 5, in some embodiments, the first casing 1 is provided with a through groove 16 that communicates with the first chamber 12, the through groove 16 has a plurality of circles, the through groove 16 is distributed at intervals in the up-down direction, the plurality of through grooves 16 in each circle are distributed at intervals in the circumferential direction of the first casing 1, the second casing 3 is provided with a first through hole 32 and a second through hole 33, the first through hole 32 communicates with the third chamber 31 and the through groove 16, the first through hole 32 has a plurality of circles, the first through hole 32 in each circle is distributed at intervals in the up-down direction, the plurality of first through holes 32 in each circle are distributed at intervals in the circumferential direction of the second casing 3, the second through hole 33 communicates with the third chamber 31 and the outside, the second through hole 33 has a plurality of circles, the second through holes 33 in each circle are distributed at intervals in the up-down direction, and the plurality of second through holes 33 in each circle are distributed at intervals in the circumferential direction of the second casing 3.

The gas in the first chamber 12 enters the third chamber 31 through the through groove 16 and the first through hole 32, is adsorbed by the adsorbent, and is discharged to the outside through the second through hole 33.

As shown in fig. 4 and 5, in some embodiments, the second housing 3 includes a first baffle 34, a second baffle 35, a bottom plate 36, and a second cover plate 37, where the first baffle 34 is attached to the first housing 1, and the first baffle 34 is located between the first housing 1 and the second baffle 35, the bottom plate 36 is located below the first baffle 34 and the second baffle 35, and the bottom plate 36 is connected to the lower end of the first baffle 34 and the lower end of the second baffle 35, respectively, the second cover plate 37 is located above the first baffle 34 and the second baffle 35, and the second cover plate 37 is abutted to the upper end of the first baffle 34 and the upper end of the second baffle 35, respectively, so that the first baffle 34, the second baffle 35, the bottom plate 36, and the second cover plate 37 enclose a closed space to define the third chamber 31; the first through hole 32 is opened at the first baffle 34, and the second through hole 33 is opened at the second baffle 35.

As shown in fig. 1 and 2, in some embodiments, the thrust oil basin respirator for preventing oil mist leakage according to the embodiments of the present utility model further includes a plurality of connection members 8, a plurality of second housings 3 spaced apart in a circumferential direction of the first housing 1, connection regions formed between two adjacent second housings 3, the number of the connection members 8 and the connection regions being equal and corresponding one to one, and the connection members 8 being located in the corresponding connection regions and connecting the two adjacent second housings 3.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A thrust cone respirator for preventing leakage of oil mist, comprising:

a first housing having a first opening therein, the first opening being located at a lower end of the first housing and adapted to communicate with an interior of an oil pan;

the filter element is connected in the first shell and divides the inner space of the first shell into a first cavity and a second cavity, the first cavity is positioned above the second cavity, the upper end of the filter element is communicated with the first cavity, the lower end of the filter element is communicated with the second cavity, and the first opening is communicated with the second cavity;

the second shell is sleeved on the first shell, a third cavity is formed in the second shell and is respectively communicated with the first cavity and the outside, and the third cavity is filled with an adsorbent.

2. The thrust cone respirator of claim 1, further comprising:

the first spoiler assembly comprises a third shell, a first spoiler and a first breathing hole, the third shell is detachably connected to the first shell and is positioned below the first shell, the upper end of the third shell is communicated with the first opening, the first spoiler is connected in the third shell, and a space is reserved between the first spoiler and the inner wall of the third shell, so that the first breathing hole is defined by the first spoiler and the third shell;

the second vortex subassembly, the second vortex subassembly includes fourth shell, second spoiler and second breathing mouth, the fourth shell can dismantle connect in the third shell and be located the third shell below, the upper end of fourth shell with the lower extreme intercommunication of third shell, the lower extreme of fourth shell be suitable for with the inside intercommunication of oil basin, the second spoiler connect in the fourth shell, just have the interval between the inner wall of second spoiler with the fourth shell, make second spoiler with the fourth shell defines the second breathing mouth, the projection of second breathing mouth on the horizontal plane with the projection of first breathing mouth on the horizontal plane does not coincide.

3. The thrust oil basin respirator of claim 2, wherein an end of the first spoiler distal from the first breathing port is above an end of the first spoiler proximal to the first breathing port, and an end of the second spoiler distal from the first breathing port is above an end of the second spoiler proximal to the first breathing port.

4. A thrust basin respirator according to claim 2 or 3, wherein the first and second turbulence members are each plural, and the plural first and second turbulence members are alternately arranged in the up-down direction.

5. The thrust basin respirator of claim 1, further comprising a first cover plate and at least one resilient telescoping rod, wherein the first housing further has a second opening, the second opening is located at an upper end of the second housing, the first cover plate is detachably connected to the first housing to block the second opening, an upper end of the resilient telescoping rod is detachably connected to the first cover plate, and a lower end of the resilient telescoping rod is detachably connected to the filter element.

6. The thrust oil basin respirator of claim 5, wherein the elastic telescopic rod comprises a first rod, a second rod and an elastic piece, the first rod is sleeved on the second rod and is located above the second rod, the first rod is slidable on the second rod along the axis direction of the second rod, the elastic piece is sleeved on the second rod, the upper end of the elastic piece is propped against the first rod, and the lower end of the elastic piece is propped against the second rod.

7. The thrust basin respirator of claim 5, wherein the first housing further has a first plurality of protrusions above the second housing, the first plurality of protrusions being spaced circumferentially about the first housing, the first cover plate having a second plurality of protrusions thereon, the second plurality of protrusions being in one-to-one correspondence with the first plurality of protrusions, the first cover plate being rotatable on the first housing such that the second protrusions have a locked position in which at least a portion of the second protrusions are located directly below and against the corresponding first protrusions, and an unlocked position in which the second protrusions are spaced apart from the first protrusions.

8. The thrust oil basin respirator of claim 1, wherein the first housing is provided with a plurality of through grooves communicated with the first chamber, the through grooves are distributed at intervals in an up-down direction, the through grooves in each circle are distributed at intervals in a circumferential direction of the first housing, the second housing is provided with a first through hole and a second through hole, the first through hole is respectively communicated with the third chamber and the through grooves, the first through hole is distributed at intervals in the up-down direction, the first through holes in each circle are distributed at intervals in the circumferential direction of the second housing, the second through holes are respectively communicated with the third chamber and the outside, the second through holes are distributed at intervals in the up-down direction, and the second through holes in each circle are distributed at intervals in the circumferential direction of the second housing.

9. The thrust basin respirator of claim 8, wherein the second housing includes a first baffle, a second baffle, a bottom plate, and a second cover plate, the first baffle being attached to the first housing with the first baffle therebetween, the bottom plate being located below the first baffle and the second baffle with the bottom plate being connected to a lower end of the first baffle and a lower end of the second baffle, respectively, the second cover plate being located above the first baffle and the second baffle with the second cover plate being attached to an upper end of the first baffle and an upper end of the second baffle, respectively, such that the first baffle, the second baffle, the bottom plate, and the second cover plate enclose a closed space to define the third chamber;

the first through hole is formed in the first baffle, and the second through hole is formed in the second baffle.

10. The thrust basin respirator of claim 9, further comprising a plurality of connectors, wherein a plurality of the second housings are circumferentially spaced apart from the first housing, a connection area is formed between two adjacent second housings, the connectors and the connection areas are equal in number and in one-to-one correspondence, and the connectors are located in the corresponding connection areas and connect the two adjacent second housings.