CN216407090U

CN216407090U - Oil return device of air compressor oil seal

Info

Publication number: CN216407090U
Application number: CN202122887235.5U
Authority: CN
Inventors: 张标苍
Original assignee: Quanwei Machinery Group Jiangsu Co ltd
Current assignee: Quanwei Machinery Group Jiangsu Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-29
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an oil return device of an air compressor oil seal, which belongs to the technical field of air compressors and comprises a main pipe, wherein a rotating shaft is arranged on the inner side of the main pipe, a movable sleeve is arranged between the main pipe and the rotating shaft, two pull rods are arranged above the movable sleeve, and two limiting devices are arranged on the main pipe at positions corresponding to the two pull rods; the limiting device comprises vertical plates, a clamping sleeve, clamping rods, a connecting plate and a buckle, the two vertical plates are arranged at positions, corresponding to the two pull rods, on the main pipe, the clamping sleeve is arranged above the pull rods, the clamping rods are connected to the positions, corresponding to the clamping sleeve, on the vertical plates in a sliding mode, and the connecting plate is arranged on one side, away from the clamping sleeve, of each clamping rod; according to the utility model, the limiting device is arranged, so that the device can limit the position of the pull rod to a certain extent when needed, thereby reducing the possibility that the pull rod is accidentally pressed down, ensuring the normal operation of the device and further improving the practicability of the device.

Description

Oil return device of air compressor oil seal

Technical Field

The utility model belongs to the technical field of air compressors, and particularly relates to an oil return device for an oil seal of an air compressor.

Background

An air compressor is a device for compressing air. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. Centrifugal compressors are very large applications.

Chinese patent application No. 202023042930.3 discloses 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 boundary movable sleeve of being responsible for, when lubricating oil leaks to the top of oil blanket ring, through pressing 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 extrudes lubricating oil downwards into back oil pipe, because the space volume change that the movable sleeve drove downwards is less than the space volume in the back oil pipe, avoid suck-back during the oil return, improve the oil return effect.

The prior art has the following problems: 1. the patent has the problem that the pull rod is easy to be pressed down due to accidental collision and the like when not needed, so that the work of the device is easy to be influenced, and the practicability of the device is further reduced; 2. the problem that the device cannot be protected to a certain extent when needed exists in the patent, so that the possibility of accidental damage of the device is improved, and the working capacity of the device is reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an oil return device of an air compressor oil seal, which has the characteristics of high practicability and strong working capacity.

In order to achieve the purpose, the utility model provides the following technical scheme: an oil return device of an oil seal of an air compressor comprises a main pipe, wherein a rotating shaft is arranged on the inner side of the main pipe, a movable sleeve is arranged between the main pipe and the rotating shaft, two pull rods are arranged above the movable sleeve, and two limiting devices are arranged on the main pipe at positions corresponding to the two pull rods;

stop device includes riser, cutting ferrule, kelly, connecting plate and buckle, be responsible for and install two risers with two pull rod corresponding positions on, the cutting ferrule is installed to the top of pull rod, there is the kelly with the corresponding position sliding connection of cutting ferrule on the riser, the kelly is kept away from one side of cutting ferrule and is installed the connecting plate, just the position that is located the kelly top between riser and the connecting plate installs the buckle.

Preferably, the limiting device further comprises a compression spring, and the compression spring is arranged between the vertical plate and the connecting plate and at a position corresponding to the clamping rod and the buckle.

Preferably, the size of the outside diameter of the clamping rod is equal to the size of the inside diameter of the clamping sleeve, and the clamping rod is connected with the clamping sleeve in a sliding mode.

Preferably, protector is installed in the outside of being responsible for, protector includes protecting crust, installation cover, commentaries on classics board, installation piece, screw rod and extension board, the outside of being responsible for is provided with two protecting crust, be responsible for and install two installation covers with two protecting crust corresponding positions, the inboard of installation cover is provided with the installation piece, be connected through the extension board between installation piece and the protecting crust, two the both sides of protecting crust and be provided with the corresponding position of installation piece and change the board, it installs the screw rod to change one side that the board is close to the protecting crust.

Preferably, the protection device further comprises a rubber layer, and the rubber layer is mounted on the outer side of the protection shell and at a position corresponding to the screw.

Preferably, the shape and size of the inner side of the mounting sleeve are the same as the shape and size of the outer side of the mounting block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the limiting device is arranged, so that the device can limit the position of the pull rod to a certain extent when needed, thereby reducing the possibility that the pull rod is accidentally pressed down, ensuring the normal operation of the device and further improving the practicability of the device.

2. According to the utility model, by arranging the protection device, the device can protect structures such as the main pipe and the like to a certain extent when needed, so that the possibility of accidental damage of the structures such as the main pipe and the like due to external impact and the like is reduced, and the working capacity of the device is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the spacing device of the present invention;

fig. 4 is a schematic structural view of the protection device of the present invention.

In the figure: 1. a main pipe; 2. a limiting device; 21. a vertical plate; 22. a card sleeve; 23. a clamping rod; 24. a compression spring; 25. a connecting plate; 26. buckling; 3. a pull rod; 4. a movable sleeve; 5. a guard; 51. a protective shell; 52. a rubber layer; 53. installing a sleeve; 54. rotating the plate; 55. mounting blocks; 56. a screw; 57. a support plate; 6. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: an oil return device of an oil seal of an air compressor comprises a main pipe 1, wherein a rotating shaft 6 is arranged on the inner side of the main pipe 1, a movable sleeve 4 is arranged between the main pipe 1 and the rotating shaft 6, two pull rods 3 are arranged above the movable sleeve 4, and two limiting devices 2 are arranged on the main pipe 1 at positions corresponding to the two pull rods 3;

stop device 2 includes riser 21, cutting ferrule 22, kelly 23, connecting plate 25 and buckle 26, is responsible for 1 and installs two risers 21 with the corresponding position of two pull rods 3, and cutting ferrule 22 is installed to the top of pull rod 3, and the position sliding connection corresponding with cutting ferrule 22 on riser 21 has kelly 23, and connecting plate 25 is installed to one side that cutting ferrule 22 was kept away from to kelly 23, and buckle 26 is installed to the position that just is located kelly 23 top between riser 21 and the connecting plate 25.

Specifically, the limiting device 2 further comprises a compression spring 24, the compression spring 24 is installed between the vertical plate 21 and the connecting plate 25 and at a position corresponding to the clamping rod 23 and the buckle 26,

by adopting the technical scheme, the connecting plate 25 can be moved by the compression spring 24 when needed.

Specifically, the diameter of the outer side of the clamping rod 23 is equal to the diameter of the inner side of the clamping sleeve 22, the clamping rod 23 is connected with the clamping sleeve 22 in a sliding manner,

by adopting the technical scheme, the normal matching of the clamping rod 23 and the clamping sleeve 22 is ensured.

When the oil return device is used, when oil return operation is needed, the two pull rods 3 are pressed, and then the oil return operation can be performed through the main pipe 1, the movable sleeve 4, the rotating shaft 6 and the upper structure of the main pipe; when the two pull rods 3 need to be limited, the connecting plates 25 in the two limiting devices 2 are respectively pushed, the connecting plates 25 overcome the force of the compression springs 24 to drive the clamping rods 23 to enter the clamping sleeves 22 on the pull rods 3, and then the vertical plates 21 are connected with the connecting plates 25 through the buckles 26, so that the positions of the connecting plates 25 are fixed, and the limiting is further carried out;

example 2

The present embodiment is different from embodiment 1 in that: the protection device 5 is installed on the outer side of the main pipe 1, the protection device 5 comprises protection shells 51, installation sleeves 53, rotating plates 54, installation blocks 55, screws 56 and support plates 57, two protection shells 51 are arranged on the outer side of the main pipe 1, two installation sleeves 53 are installed on the main pipe 1 corresponding to the two protection shells 51, the installation blocks 55 are arranged on the inner sides of the installation sleeves 53, the installation blocks 55 are connected with the protection shells 51 through the support plates 57, the rotating plates 54 are arranged on the two sides of the two protection shells 51 and corresponding to the installation blocks 55, the screws 56 are installed on one side of the rotating plates 54 close to the protection shells 51,

through adopting above-mentioned technical scheme for the device can carry out certain protection to being responsible for 1 isotructure when needs, thereby has reduced and has been responsible for 1 isotructure and has appeared unexpected the possibility of damaging because of reasons such as external shock.

Specifically, the protecting device 5 further comprises a rubber layer 52, the rubber layer 52 is arranged on the outer side of the protecting shell 51 and at a position corresponding to the screw 56,

through adopting above-mentioned technical scheme, strengthened protector 5's protective capacities.

Specifically, the inner side of the mounting sleeve 53 has the same shape and size as the outer side of the mounting block 55,

by adopting the technical scheme, the normal matching between the mounting sleeve 53 and the mounting block 55 is ensured.

When the device is required to be protected in the use of the embodiment, the two mounting blocks 55 in the protection device 5 are respectively inserted into the two mounting sleeves 53, and then the two rotating plates 54 are rotated, so that the mounting sleeves 53 and the mounting blocks 55 are connected through the screws 56, and then the protection is performed through the protection shell 51 and the rubber layer 52, and the support plate 57 plays a role in connection.

The working principle and the using process of the utility model are as follows: when oil return operation is needed, the two pull rods 3 are pressed, and then oil return operation can be performed through the main pipe 1, the movable sleeve 4, the rotating shaft 6 and the upper structure of the main pipe; when the two pull rods 3 need to be limited, the connecting plates 25 in the two limiting devices 2 are respectively pushed, the connecting plates 25 overcome the force of the compression springs 24 to drive the clamping rods 23 to enter the clamping sleeves 22 on the pull rods 3, and then the vertical plates 21 are connected with the connecting plates 25 through the buckles 26, so that the positions of the connecting plates 25 are fixed, and the limiting is further carried out; when the device needs to be protected, the two mounting blocks 55 in the protection device 5 are respectively inserted into the two mounting sleeves 53, then the two rotating plates 54 are rotated, so that the mounting sleeves 53 and the mounting blocks 55 are connected through the screws 56, then the protection is performed through the protection shell 51 and the rubber layer 52, and the support plate 57 plays a role in connection.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil return device of air compressor machine oil blanket, is responsible for (1) including being responsible for, its characterized in that: a rotating shaft (6) is arranged on the inner side of the main pipe (1), a movable sleeve (4) is arranged between the main pipe (1) and the rotating shaft (6), two pull rods (3) are arranged above the movable sleeve (4), and two limiting devices (2) are arranged on the main pipe (1) at positions corresponding to the two pull rods (3);

stop device (2) include riser (21), cutting ferrule (22), kelly (23), connecting plate (25) and buckle (26), be responsible for (1) and install two riser (21) with two pull rod (3) corresponding positions, cutting ferrule (22) is installed to the top of pull rod (3), there is kelly (23) with cutting ferrule (22) corresponding position sliding connection on riser (21), connecting plate (25) are installed to one side that cutting ferrule (22) were kept away from in kelly (23), buckle (26) are installed to the position that just is located kelly (23) top between riser (21) and connecting plate (25).

2. The oil return device of the oil seal of the air compressor as claimed in claim 1, wherein: the limiting device (2) further comprises a compression spring (24), and the compression spring (24) is installed between the vertical plate (21) and the connecting plate (25) and at a position corresponding to the clamping rod (23) and the buckle (26).

3. The oil return device of the oil seal of the air compressor as claimed in claim 1, wherein: the size of the outside diameter of the clamping rod (23) is equal to the size of the inside diameter of the clamping sleeve (22), and the clamping rod (23) is connected with the clamping sleeve (22) in a sliding mode.

4. The oil return device of the oil seal of the air compressor as claimed in claim 1, wherein: be responsible for the outside of (1) and install protector (5), protector (5) are provided with two protecting crust (51) including protecting crust (51), installation cover (53), commentaries on classics board (54), installation piece (55), screw rod (56) and extension board (57), the outside of being responsible for (1) is provided with two protecting crust (51), be responsible for (1) and install two installation covers (53) with two corresponding positions of protecting crust (51), the inboard of installation cover (53) is provided with installation piece (55), be connected through extension board (57) between installation piece (55) and the protecting crust (51), two the both sides of protecting crust (51) and be provided with commentaries on classics board (54) with the corresponding position of installation piece (55), it installs screw rod (56) to change board (54) one side that is close to protecting crust (51).

5. The oil return device of the oil seal of the air compressor as claimed in claim 4, wherein: the protective device (5) further comprises a rubber layer (52), and the rubber layer (52) is mounted on the outer side of the protective shell (51) and in a position corresponding to the screw rod (56).

6. The oil return device of the oil seal of the air compressor as claimed in claim 4, wherein: the shape and size of the inner side of the mounting sleeve (53) are the same as the shape and size of the outer side of the mounting block (55).