CN214247609U

CN214247609U - Oil return device for oil seal of air compressor

Info

Publication number: CN214247609U
Application number: CN202023042930.3U
Authority: CN
Inventors: 唐刚飙
Original assignee: Suzhou Tile Wheel Machinery Co ltd
Current assignee: Suzhou Tile Wheel Machinery Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-21
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to an oil return device technical field just discloses an oil return device for air compressor machine oil blanket, including being responsible for, the fixed internal surface that is responsible for has cup jointed the oil blanket ring, the internal surface activity of oil blanket ring has cup jointed the pivot, the internal surface activity of being responsible for has cup jointed the movable sleeve, the fixed pipe of bottom surface fixedly connected with of movable sleeve, the internal surface fixedly connected with spring of fixed pipe. This an oil return device for air compressor machine oil blanket, the sealing ring that is arranged in being responsible for is cup jointed through the top surface at the oil blanket ring, and at the internal surface movable sleeve border movable sleeve of being responsible for, when lubricating oil leaks to the top of oil blanket ring, through pressing down the pull rod, make the pull rod drive the movable sleeve downward and move down, keep the sealing ring to compress tightly simultaneously, the movable sleeve is during crowded back oil pipe with lubricating oil downwards, because the space volume change that the movable sleeve drove downwards is less than the space volume in returning oil pipe, make and avoid suck-back during the oil return, improve the oil return effect.

Description

Oil return device for oil seal of air compressor

Technical Field

The utility model relates to an oil return device technical field specifically is an oil return device for air compressor machine oil blanket.

Background

An oil seal (oil seal) is a common name of a general seal, and simply called a seal of lubricating oil. It is a mechanical element used to seal grease (oil is the most common liquid substance in transmission systems, also generally referred to as a liquid substance), and it isolates the parts of the transmission parts that need to be lubricated from the output parts, so as not to allow the lubricating oil to leak. Static seals and dynamic seals (generally reciprocating) are called oil seals.

The existing oil return device for the oil seal of the air compressor is used, and the oil return effect is not good because the upward oil leakage can occur under the condition of the motion of the rotating shaft due to partial oil return, so that the lubricating oil quantity of the lubricating part of the rotating shaft is gradually reduced, the lubricating oil runs out along the gap of the oil seal, the oil return operation is realized by the oil return pipe which is communicated with the oil seal twice from top to bottom usually, however, the current oil return mode is extracted by negative pressure and is re-introduced into the oil pipe below, however, the suck-back condition is easily generated by the negative pressure suction mode, so that the oil change at the lower part is extracted and sent back.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an oil return device for air compressor machine oil blanket possesses the advantage of avoiding the oil return suck-back and being convenient for compensate the lubricating oil, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides an oil returning device for air compressor machine oil blanket, includes and is responsible for, the fixed internal surface that is responsible for has cup jointed the oil blanket ring, the pivot has been cup jointed in the internal surface activity of oil blanket ring, the internal surface activity of being responsible for has cup jointed the movable sleeve, the fixed pipe of bottom surface fixedly connected with of movable sleeve, the internal surface fixedly connected with spring of fixed pipe, the lower extreme fixedly connected with connecting rod of spring, the oilhole has been seted up to the side of being responsible for, the fixed intercommunication in outer end of oilhole has time oil pipe.

Preferably, the inner surface of the main pipe is movably sleeved with a sealing ring, and the sealing ring is positioned at the upper part of the oil seal ring.

Preferably, the upper end of the oil return pipe is located above the oil seal ring, and the lower end of the oil return pipe is located below the oil seal ring.

Preferably, the top surface of the main pipe is fixedly connected with an installation rod, the outer surface of the installation rod is movably sleeved with a sleeve plate, and the bottom surface of the sleeve plate is fixedly connected with a pressing plate.

Preferably, the outer surface of the mounting rod is sleeved with a locking cap in a threaded manner, and the locking cap is positioned above the sleeve plate.

Preferably, the top surface of the movable sleeve is fixedly connected with two pull rods, and the top ends of the two pull rods are located above the main pipe.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this an oil return device for air compressor machine oil blanket, the sealing ring that is arranged in being responsible for is cup jointed through the top surface at the oil blanket ring, and at the internal surface movable sleeve border movable sleeve of being responsible for, when lubricating oil leaks to the top of oil blanket ring, through pressing down the pull rod, make the pull rod drive the movable sleeve downward and move down, keep the sealing ring to compress tightly simultaneously, the movable sleeve is during crowded back oil pipe with lubricating oil downwards, because the space volume change that the movable sleeve drove downwards is less than the space volume in returning oil pipe, make and avoid suck-back during the oil return, improve the oil return effect.

2. This an oil returning device for air compressor machine oil blanket through will be responsible for in cup joint the movable sleeve to cup joint the spring in making the fixed pipe of movable sleeve bottom surface fixed connection, utilize the spring to be connected with the connecting rod, make when dismantling loosen locking cap soon and rotatory lagging, can accomplish lifting to the movable sleeve, and add the lubricating oil to inside after lifting, push down the crowded income of compensation lubricating oil again of movable sleeve festival class realization, it is convenient to use.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

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

fig. 4 is an enlarged schematic view of the structure at B in fig. 3.

In the figure: 1. a main pipe; 2. an oil seal ring; 3. a rotating shaft; 4. a seal ring; 5. a movable sleeve; 6. a fixed tube; 7. a spring; 8. a connecting rod; 9. mounting a rod; 10. sheathing; 11. a compression plate; 12. a locking cap; 13. a pull rod; 14. an oil hole; 15. an oil return pipe.

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.

Referring to fig. 1-4, an oil return device for an oil seal of an air compressor comprises a main pipe 1, an oil seal ring 2 is fixedly sleeved on the inner surface of the main pipe 1, a rotating shaft 3 is movably sleeved on the inner surface of the oil seal ring 2, a movable sleeve 5 is movably sleeved on the inner surface of the main pipe 1, a fixed pipe 6 is fixedly connected to the bottom surface of the movable sleeve 5, a spring 7 is fixedly connected to the inner surface of the fixed pipe 6, a connecting rod 8 is fixedly connected to the lower end of the spring 7, an oil hole 14 is formed in the side surface of the main pipe 1, and an oil return pipe 15 is fixedly communicated with the outer end of the oil hole 14.

Wherein, the internal surface activity of being responsible for 1 has cup jointed sealing ring 4, and sealing ring 4 is located the upper portion of oil seal ring 2, utilizes sealing ring 4 to guarantee to push down the in-process improvement leakproofness of connecting rod 8, guarantees that the lubricating oil from returning oil pipe 15 to send back.

Wherein, the upper end that returns oil pipe 15 is located the top of oil seal ring 2, and the lower extreme that returns oil pipe 15 is located the below of oil seal ring 2, realizes sending the lubricating oil back to in being responsible for 1 through utilizing the oil pipe 15 that returns that arranges from top to bottom, and the quantity that returns oil pipe 15 is two sets of.

Wherein, the top surface fixedly connected with installation pole 9 of being responsible for 1, the surface activity of installation pole 9 has cup jointed lagging 10, and the bottom surface fixedly connected with pressure strip 11 of lagging 10 utilizes pressure strip 11 to realize the extrusion to the movable sleeve 5, avoids the movable sleeve 5 roll-off to be responsible for 1.

Wherein, the outer surface screw thread of installation pole 9 has cup jointed locking cap 12, and locking cap 12 is located the top of lagging 10, utilizes locking cap 12 to realize the clamp of lagging 10 fixed, loosens locking cap 12 and goes up the lagging 10 and rotate, realizes that the movable sleeve 5 is spacing to relieve.

Wherein, the top surface fixedly connected with pull rod 13 of movable sleeve 5, the quantity of pull rod 13 is two, and the top of two pull rods 13 all is located the top of being responsible for 1, realizes pulling out of movable sleeve 5 through pulling pull rod 13, and then realizes compensating the lubricating oil.

The working principle is as follows: when oil return operation is required, the pull rod 13 is pressed downwards, so that the pull rod 13 drives the movable sleeve 5 to move downwards, the connecting rod 8 always keeps pressing the sealing ring 4 downwards in the downward movement process of the movable sleeve 5, the spring 7 is compressed, air between the oil seal ring 2 and the movable sleeve 5 is reduced, and leaked oil is pressed to be squeezed into the oil return pipe 15 and flows into the main pipe 1 through the oil hole 14; when oil is needed to be added, the locking cap 12 and the pressing plate 11 are screwed out, the movable sleeve 5 slides upwards, lubricating oil is filled in the movable sleeve, and the movable sleeve is downwards extruded after being remounted to realize lubricating oil compensation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides an oil return device for air compressor machine oil blanket, is including being responsible for (1), its characterized in that: be responsible for the internal surface fixation of (1) and cup jointed oil seal ring (2), the internal surface activity of oil seal ring (2) has cup jointed pivot (3), the internal surface activity of being responsible for (1) has cup jointed movable sleeve (5), the bottom surface fixedly connected with fixed pipe (6) of movable sleeve (5), the internal surface fixation of fixed pipe (6) is connected with spring (7), the lower extreme fixedly connected with connecting rod (8) of spring (7), oilhole (14) have been seted up to the side of being responsible for (1), the fixed intercommunication in outer end of oilhole (14) has oil return pipe (15).

2. The oil return device for the oil seal of the air compressor as claimed in claim 1, wherein: the inner surface of the main pipe (1) is movably sleeved with a sealing ring (4), and the sealing ring (4) is positioned on the upper part of the oil seal ring (2).

3. The oil return device for the oil seal of the air compressor as claimed in claim 1, wherein: the upper end of the oil return pipe (15) is located above the oil seal ring (2), and the lower end of the oil return pipe (15) is located below the oil seal ring (2).

4. The oil return device for the oil seal of the air compressor as claimed in claim 2, wherein: the top surface fixedly connected with of being responsible for (1) installs pole (9), the surface activity of installing pole (9) has cup jointed lagging (10), the bottom surface fixedly connected with pressure strip (11) of lagging (10).

5. The oil return device for the oil seal of the air compressor as claimed in claim 4, wherein: the outer surface thread of installation pole (9) has cup jointed locking cap (12), locking cap (12) are located the top of lagging (10).

6. The oil return device for the oil seal of the air compressor as claimed in claim 1, wherein: the top surface fixedly connected with pull rod (13) of uide bushing (5), the quantity of pull rod (13) is two, two the top of pull rod (13) all is located the top of being responsible for (1).