CN220470199U - Oil respirator suitable for pump bearing box - Google Patents

Abstract

The utility model discloses an oil respirator suitable for a pump bearing box, which comprises a body and a cap, wherein an oil return hopper is sleeved in the top end of the body, an oil collecting disc and a lantern ring are sleeved on the outer wall of the body, the bottom end of the lantern ring is in contact with the oil collecting disc, an internal thread pipe is arranged in the bottom end of the cap and is in threaded connection with the body, a cross groove is formed in the outer wall of the internal thread pipe, the bottom end of the internal thread pipe is in contact with the top end of the lantern ring, the cap is positioned in the top end of the oil collecting disc, an oil return port is formed in the joint of the body and the lantern ring, and a filter screen is movably arranged in the oil return port.

Description

Oil respirator suitable for pump bearing box

Technical Field

The utility model relates to the technical field of oil respirators, in particular to an oil respirator suitable for a pump bearing box.

Background

The oil breather is a bridge for connecting the inside of the pump body with the outside, and has the main effects of discharging oil gas in the bearing box, preventing micro-positive pressure in the pump body from generating, causing false rising of oil level, affecting the working efficiency of the pump, and enabling high-temperature oil in the bearing box to easily generate lampblack and foam, so that the ruptured gas is discharged into the atmosphere through the oil breather.

Oil produced after oil gas condenses on the respirator cap can flow back to the bearing box through the oil return hole, and most of common oil respirator return holes are exposed outside nowadays, and impurity such as dust in the air easily blocks up the oil return hole, causes the oil return to be unsmooth or influence oily to most of oil respirators do not set up the oil collecting disc, lead to the condensate return to flow outside the pump, consequently need an oil respirator that is applicable to pump bearing box to satisfy people's demand.

Disclosure of Invention

The utility model aims to provide an oil respirator suitable for a pump bearing box, which aims to solve the problems that most of common oil respirator return holes provided in the background art are exposed outside, dust and other impurities in air are easy to block the return holes, so that oil return is not smooth or oil quality is influenced, and most of oil respirators are not provided with an oil collecting disc, so that condensed return oil flows out of a pump.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil respirator suitable for pump bearing case, includes body and cap, cup jointed the oil return fill in the top of body, cup jointed oil collecting tray and lantern ring on the outer wall of body, the bottom and the oil collecting tray contact of lantern ring are provided with the internal thread pipe in the bottom of cap, and internal thread pipe threaded connection is on the body, has seted up the cross groove on the outer wall of internal thread pipe, and the bottom of internal thread pipe contacts with the top of lantern ring, the cap is located the top of oil collecting tray, the oil return opening has been seted up to body and lantern ring junction, movable mounting has the filter screen in the oil return opening.

Preferably, a first thread section is arranged on the outer wall of the bottom end of the body.

Preferably, a hexagonal section is arranged on the outer wall of the body, and the hexagonal section is located above the first thread section.

Preferably, the outer wall of the body is provided with a positioning section, the positioning section is positioned above the hexagonal section, the oil collecting disc is sleeved on the outer wall of the positioning section, and the oil return port is formed in the outer wall of the positioning section.

Preferably, a positioning groove is formed in the inner wall, close to the positioning section, of the oil return port, and the filter screen card is connected in the positioning groove.

Preferably, the outer wall of the top end of the body is provided with a second thread section, the lantern ring is sleeved on the second thread section, the internal thread pipe is in threaded connection with the second thread section, and the top end of the cap is provided with a hexagon head.

Preferably, a compression spring is arranged in the bottom end of the cap, the compression spring is positioned in the internal thread pipe, a gasket is arranged on the bottom end of the compression spring, and the bottom end of the gasket is in contact with the top end of the oil return bucket.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the oil collecting disc, condensed oil is effectively collected and prevented from flowing out of the pump, and through the arrangement of the cap, the oil return port is prevented from directly contacting with the outside, the oil return port is prevented from being blocked, and the filter screen ensures the oil return quality.

According to the split type oil respirator, the cap, the body, the oil collecting disc, the collar, the internal threaded pipe and the filter screen are connected in a split mode, so that the oil respirator is more convenient to mount and dismount, and split cleaning is facilitated.

Drawings

FIG. 1 is a schematic diagram of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 2 is a schematic cross-sectional side view of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 4 is a schematic illustration of the body construction of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 5 is a schematic diagram of a filter screen structure of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 6 is a schematic view of the bottom end of a collar of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

FIG. 7 is a schematic view of the upper end of a cap of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model;

fig. 8 is a schematic view of the bottom end structure of a cap of an oil breather suitable for use in a pump bearing housing in accordance with the present utility model.

In the figure: 1. a body; 2. a cap; 3. an oil return hopper; 4. an oil collecting tray; 5. a collar; 6. an internally threaded tube; 7. a cross groove; 8. an oil return port; 9. a filter screen; 10. a first thread segment; 11. a hexagonal section; 12. a positioning section; 13. a positioning groove; 14. a second thread segment; 15. a hexagonal head; 16. a compression spring; 17. and a gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to figures 1-8, an oil respirator suitable for a pump bearing box comprises a body 1 and a cap 2, wherein an oil return hopper 3 is sleeved in the top end of the body 1, an oil collecting disc 4 and a lantern ring 5 are sleeved on the outer wall of the body 1, the bottom end of the lantern ring 5 is contacted with the oil collecting disc 4, an internal thread pipe 6 is arranged in the bottom end of the cap 2, the internal thread pipe 6 is in threaded connection with the body 1, a cross groove 7 is formed in the outer wall of the internal thread pipe 6, the bottom end of the internal thread pipe 6 is contacted with the top end of the lantern ring 5, the cap 2 is positioned in the top end of the oil collecting disc 4, an oil return opening 8 is formed at the joint of the body 1 and the lantern ring 5, a filter screen 9 is movably arranged in the oil return opening 8, high-temperature oil gas in the pump bearing box rises to the top in the cap 2 along the inner wall of the body 1, part of the oil return hopper 3 returns to the bearing box after condensation at the top in the cap 2, and the other part of the oil gas diffuses along the top in the cap 2, the oil passes through the cross groove 7 and falls into the oil collecting disc 4 to gather, the part of oil finally enters the oil return port 8, the filtering of the filter screen 9 at the oil return port 8 enters the body 1 and flows back to the bearing box, the condensed oil is effectively collected by the oil respirator and prevented from flowing out of the pump, the oil return port 8 is prevented from directly contacting with the outside, the oil return port 8 is prevented from being blocked, the filter screen 9 ensures the oil return quality, the oil collecting disc 4 is sleeved on the body 1 during installation, the filter screen 9 is placed on the body 1, the lantern ring 5 is sleeved in, the oil return hopper 3 is sleeved in the body 1, the cap 2 is screwed on the body 1, the lantern ring 5 is abutted against the oil collecting disc 4 by the internal thread pipe 6, the oil collecting disc 4 is fixed on the body 1, the filter screen 9 is fixed on the body 1 by the lantern ring 5, the installation of the oil respirator is realized, and the purpose of installation and disassembly of the respirator is realized, thereby facilitating the split cleaning.

Referring to fig. 4, in this embodiment, a first thread segment 10 is provided on the outer wall of the bottom end of the body 1, and the first thread segment 10 facilitates the installation and fixation between the oil breather and the bearing housing.

Referring to fig. 4, in this embodiment, a hexagonal section 11 is disposed on the outer wall of the body 1, where the hexagonal section 11 is located above the first threaded section 10, and the hexagonal section 11 reduces the difficulty in mounting and dismounting between the oil breather and the bearing housing.

Referring to fig. 4, in this embodiment, a positioning section 12 is disposed on the outer wall of the body 1, the positioning section 12 is located above the hexagonal section 11, the oil collecting disc 4 is sleeved on the outer wall of the positioning section 12, the oil return port 8 is opened on the outer wall of the positioning section 12, and the positioning section 12 provides positioning for the oil collecting disc 4, so that installation of the oil collecting disc 4 is facilitated.

Referring to fig. 4 and 6, in this embodiment, a positioning groove 13 is formed on the inner wall of the oil return port 8, which is close to the positioning section 12, the filter screen 9 is clamped in the positioning groove 13, the positioning groove 13 facilitates the installation of the filter screen 9, and when the collar 5 contacts with the positioning section 12, the stability of the filter screen 9 is ensured.

Referring to fig. 4 and fig. 7-8, in this embodiment, the outer wall of the top end of the body 1 is provided with a second threaded section 14, the collar 5 is sleeved on the second threaded section 14, the internal threaded pipe 6 is in threaded connection with the second threaded section 14, the top end of the cap 2 is provided with a hexagonal head 15, and the hexagonal head 15 facilitates the cap 2 to drive the threaded connection between the internal threaded pipe 6 and the second threaded section 14, so that the difficulty in installation and disassembly is reduced.

Referring to fig. 8, in this embodiment, a compression spring 16 is disposed in the bottom end of the cap 2, the compression spring 16 is located in the internal threaded tube 6, a gasket 17 is mounted on the bottom end of the compression spring 16, the bottom end of the gasket 17 contacts with the top end of the oil return bucket 3, when the cap 2 is mounted, the gasket 17 contacts with the oil return bucket 3, when the cap 2 is gradually screwed up, the gasket 17 compresses the compression spring 16, and the oil return bucket 3 is tightly abutted against the body 1 by the resilience force of the compression spring 16, so that the problem that the oil gas in the bearing box ejects the oil return bucket 3 is effectively prevented, and the stability of the oil return bucket 3 is ensured.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (7)

1. Oil respirator suitable for pump bearing box, including body (1) and cap (2), its characterized in that: the oil return bucket (3) has been cup jointed in the top of body (1), cup jointed oil collecting disc (4) and lantern ring (5) on the outer wall of body (1), the bottom and the oil collecting disc (4) contact of lantern ring (5), be provided with internal thread pipe (6) in the bottom of cap (2), internal thread pipe (6) threaded connection is on body (1), has seted up cross groove (7) on the outer wall of internal thread pipe (6), the bottom of internal thread pipe (6) and the top contact of lantern ring (5), cap (2) are located the top of oil collecting disc (4), oil return opening (8) have been seted up in body (1) and lantern ring (5) junction, movable mounting filter screen (9) in oil return opening (8).

2. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the outer wall of the bottom end of the body (1) is provided with a first thread section (10).

3. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the outer wall of the body (1) is provided with a hexagonal section (11), and the hexagonal section (11) is positioned above the first thread section (10).

4. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the oil collecting disc is characterized in that a positioning section (12) is arranged on the outer wall of the body (1), the positioning section (12) is located above the hexagonal section (11), the oil collecting disc (4) is sleeved on the outer wall of the positioning section (12), and the oil return port (8) is formed in the outer wall of the positioning section (12).

5. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the inner wall of the oil return port (8) close to the positioning section (12) is provided with a positioning groove (13), and the filter screen (9) is clamped in the positioning groove (13).

6. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the novel cap is characterized in that a second thread section (14) is arranged on the outer wall of the top end of the body (1), the collar (5) is sleeved on the second thread section (14), the inner thread pipe (6) is connected onto the second thread section (14) in a threaded mode, and a hexagon head (15) is arranged on the top end of the cap cover (2).

7. An oil breather suitable for use in a pump bearing housing according to claim 1, wherein: the novel oil return device is characterized in that a compression spring (16) is arranged in the bottom end of the cap (2), the compression spring (16) is located in the inner threaded pipe (6), a gasket (17) is arranged on the bottom end of the compression spring (16), and the bottom end of the gasket (17) is in contact with the top end of the oil return hopper (3).