CN214997897U

CN214997897U - Oil leakage prevention sealing turbocharger intermediate

Info

Publication number: CN214997897U
Application number: CN202120961420.1U
Authority: CN
Inventors: 龚循宾
Original assignee: Changzhou Binshi Machinery Manufacturing Co ltd
Current assignee: Changzhou Binshi Machinery Manufacturing Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-03
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses an oil leakage prevention sealing turbocharger intermediate, which comprises a middle shell, wherein a diffusion plate is arranged in the middle shell, the inner wall of one side of the diffusion plate is connected with a heat-conducting plate, one side of the heat-conducting plate is connected with a first sealing ring, one side of the first sealing ring is provided with a shaft seal fixed sleeve, a connecting shaft transversely passes through the inside of the diffusion plate, one side of the connecting shaft is provided with a turbine, and the other side of the connecting shaft is provided with a gas compressing impeller; this leak protection oil seals turbo charger midbody is through setting up the heat-conducting plate, fixed ring piece and thrust ring piece, can reach the efficiency of reinforcing stability ability, take away the heat on the middle casing through the heat-conducting plate, improve the radiating effect of middle casing, it is reliable to make the location between even axle and the turbine through the fixed ring piece, reduce the shake of fixed ring piece and full floating bearing through the thrust ring piece, the effort of shake has been shared, the anti-seismic performance has been improved, the oil leak phenomenon of avoiding that can be fine, be favorable to increase of service life.

Description

Oil leakage prevention sealing turbocharger intermediate

Technical Field

The utility model relates to a leak protection oil seals turbo charger midbody technical field specifically is a leak protection oil seals turbo charger midbody.

Background

The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The engine uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder. When the rotating speed of the engine is increased, the exhaust gas exhaust speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.

The prior art has the following defects or problems:

1. the rotor of the existing turbocharger generates certain jitter in the operation process, and the acting force generated by the jitter reduces the stability between parts inside the turbocharger, thereby reducing the service life of the turbocharger;

2. the existing turbocharger intermediate adopts a full-floating bearing to be lubricated by engine oil in the Gansu pregnant suppository process, and the engine oil is easy to leak due to the rotation of a rotor, so that the use effect of the turbocharger is influenced, and the maintenance frequency is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a leak protection oil seals turbo charger midbody to solve the problem that provides in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a leak protection oil seals turbo charger midbody, includes middle casing, the inside pressure plate that expands that is provided with of middle casing, the inner wall connection has the heat-conducting plate in pressure plate one side, heat-conducting plate one side is connected with first sealing ring, first sealing ring one side is provided with the bearing seal cover, the inside traversing of pressure plate has even the axle, even axle one side is provided with the turbine, even axle opposite side is provided with the impeller of calming anger, the turbine is close to even axle one side fixedly connected with retainer plate, retainer plate one side is provided with full floating bearing, the laminating is connected with the thrust ring piece between retainer plate and the full floating bearing, the inside arc sealed recess of having seted up of pressure plate opposite side, the inside laminating of arc sealed recess is provided with sealed piece, the arc sealed recess is close to impeller of calming anger and has seted up oil return passageway on one side.

As the utility model discloses an optimized technical scheme, one side that the impeller of calming the anger is close to even axle is connected with the second sealing ring, the draw-in groove has just been seted up to one side inside the diffusion board to the second sealing ring, even axle passes the turbine inside and the cover is established and is connected with the oil absorption layer.

As the utility model discloses a preferred technical scheme, one side of heat-conducting plate and the inboard fixed connection of turbine, the axle that links has cup jointed inside the first sealing ring.

As the preferred technical scheme of the utility model, the fixed cover of the inside of bearing seal cover deciding is equipped with even axle, the both sides of even axle run through turbine, the relative one side of impeller of calming anger respectively.

As the utility model discloses an optimal technical scheme, the inside all covers of fixed ring piece, full floating bearing and thrust ring piece are equipped with even axle.

As the utility model discloses an optimized technical scheme, one side that the arc sealed recess was kept away from to the oil return passageway is connected with the impeller laminating of calming anger.

As the utility model discloses a preferred technical scheme, the inside cover of second sealing ring is equipped with even axle, the draw-in groove inboard is connected with second sealing ring both sides block, the oil absorption layer is the arc setting, the oil absorption layer outside is connected with the inside laminating of turbine.

Compared with the prior art, the utility model provides a leak protection oil seals turbo charger midbody possesses following beneficial effect:

1. according to the oil leakage prevention sealing turbocharger intermediate, the heat conducting plate, the fixed ring block and the thrust ring piece are arranged, the effect of enhancing the stability can be achieved, heat on the intermediate shell is taken away through the heat conducting plate, the heat dissipation effect of the intermediate shell is improved, the fixed ring block enables the positioning between the connecting shaft and the turbine to be reliable, the shake of the fixed ring block and the full-floating bearing is reduced through the thrust ring piece, the shake acting force is shared, the anti-vibration performance is improved, and the service life is prolonged;

2. the intermediate body of the oil leakage-proof sealed turbocharger is provided with a first sealing ring, a shaft seal fixed sleeve, an arc-shaped sealing groove, a sealing block, a second sealing ring, a clamping groove, an oil absorption layer and an oil channel, can achieve good sealing effect, when the connecting shaft rotates at high speed, the first sealing ring and the shaft seal fixed sleeve are used, a protective barrier for preventing lubricating oil from spraying to the turbine is formed on the side of the turbine, and through the connection between the arc-shaped sealing groove and the sealing block, another protective screen for preventing lubricating oil from spraying to the air compressing impeller is formed at the side of the air compressing impeller, the second protective screen is clamped and connected with the clamping groove bracket through a second sealing ring, a second protective screen for preventing the lubricating oil from spraying to the air compressing impeller is formed at the side of the air compressing impeller, the leaked lubricating oil is adsorbed and blocked by the oil absorption layer and the oil return channel, so that the oil leakage phenomenon can be well avoided, and the service life is prolonged.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of portion B of FIG. 1 according to the present invention;

fig. 4 is a schematic sectional view of the turbine structure according to the present invention.

In the figure: 1. a middle housing; 2. a pressure expanding plate; 3. a heat conducting plate; 4. a first seal ring; 5. shaft seal fixed sleeve; 6. a connecting shaft; 7. a turbine; 8. a compressed air impeller; 9. a fixed ring block; 10. a fully floating bearing; 11. a thrust ring piece; 12. an arc-shaped sealing groove; 13. a sealing block; 14. an oil return passage; 15. A second seal ring; 16. a card slot; 17. an oil absorption layer.

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, in this embodiment: the utility model provides a leak protection oil seals turbo charger midbody, including middle casing 1, the inside diffusion board 2 that is provided with of middle casing 1, the inboard wall connection in 2 one side of diffusion board has heat-conducting

plate

3, 3 one side of heat-conducting plate is connected with

first sealing ring

4, 4 one side of first sealing ring is provided with bearing seal cover 5, the inside traversing of diffusion board 2 has even axle 6, even 6 one side of axle is provided with turbine 7, even 6 opposite sides of axle are provided with impeller 8, turbine 7 is close to even 6 one side fixedly connected with fixed ring pieces 9 of axle, 9 one side of fixed ring pieces is provided with full floating bearing 10, the laminating is connected with thrust ring piece 11 between fixed ring pieces 9 and the full floating bearing 10, the inside arc sealing groove 12 of having seted up of diffusion board 2 opposite side, the inside laminating of arc sealing groove 12 is provided with sealed piece 13, arc sealing groove 12 is close to impeller 8 one side of calming the anger and has seted up oil return channel 14.

In this embodiment, one side of the air compressing impeller 8 close to the connecting shaft 6 is connected with a second sealing ring 15; when the connecting shaft 6 rotates at a high speed, a protective barrier for preventing lubricating oil from spraying to the turbine 7 is formed on the turbine 7 side through the first sealing ring 4 and the shaft seal sleeve 5. A clamping groove 16 is formed in one side, opposite to the inner side of the pressure expanding plate 2, of the second sealing ring 15, the connecting shaft 6 penetrates through the inner side of the turbine 7 and is connected with an oil absorption layer 17 in a sleeved mode, and one side of the heat conduction plate 3 is fixedly connected with the inner side of the turbine 7; the heat on the middle shell 1 is taken away through the heat conducting plate 3, and the heat dissipation effect of the middle shell 1 is improved. A connecting shaft 6 is sleeved in the first sealing ring 4, the connecting shaft 6 is fixedly sleeved in the shaft seal fixed sleeve 5, two sides of the connecting shaft 6 respectively penetrate through one side of the turbine 7 opposite to the air compressing impeller 8, and the connecting shaft 6 is sleeved in the fixed ring block 9, the full-floating bearing 10 and the thrust ring piece 11; the positioning between the connecting shaft 6 and the turbine 7 is reliable through the fixed ring block 9. The shaking of the fixed ring block 9 and the full floating bearing 10 is reduced through the thrust ring piece 11, the shaking acting force is shared, the shock resistance is improved, and the service life is prolonged. One side of the oil return channel 14, which is far away from the arc-shaped sealing groove 12, is attached and connected with the air compressing impeller 8; through the connection between the arc-shaped sealing groove 12 and the sealing block 13, another protective barrier for preventing lubricating oil from spraying to the air compressing impeller 8 is formed on the air compressing impeller 8 side. The connecting shaft 6 is sleeved in the second sealing ring 15, the inner side of the clamping groove 16 is connected with two sides of the second sealing ring 15 in a clamping mode, the oil absorption layer 17 is arranged in an arc shape, and the outer side of the oil absorption layer 17 is connected with the inner portion of the turbine 7 in a fitting mode; the leaked lubricating oil is absorbed and blocked by the oil absorption layer 17 and the oil return channel 14, so that the oil leakage phenomenon can be well avoided, and the service life is prolonged.

The utility model discloses a theory of operation and use flow: the heat on the middle shell 1 is taken away through the heat conducting plate 3, and the heat dissipation effect of the middle shell 1 is improved. The positioning between the connecting shaft 6 and the turbine 7 is reliable through the fixed ring block 9. The shaking of the fixed ring block 9 and the full floating bearing 10 is reduced through the thrust ring piece 11, the shaking acting force is shared, the shock resistance is improved, and the service life is prolonged. When the connecting shaft 6 rotates at a high speed, a protective barrier for preventing lubricating oil from spraying to the turbine 7 is formed on the turbine 7 side through the first sealing ring 4 and the shaft seal sleeve 5. Through the connection between the arc-shaped sealing groove 12 and the sealing block 13, another protective barrier for preventing lubricating oil from spraying to the air compressing impeller 8 is formed on the air compressing impeller 8 side. Through the clamping connection of the second sealing ring 15 and the clamping groove 16, a second protective barrier for preventing lubricating oil from spraying to the air compressing impeller 8 is formed on the air compressing impeller 8 side. The leaked lubricating oil is absorbed and blocked by the oil absorption layer 17 and the oil return channel 14, so that the oil leakage phenomenon can be well avoided, and the service life is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oil leakage prevention sealing turbocharger intermediate body is characterized in that: the device comprises a middle shell (1), wherein a pressure expanding plate (2) is arranged in the middle shell (1), a heat conducting plate (3) is connected to the inner wall of one side of the pressure expanding plate (2), a first sealing ring (4) is connected to one side of the heat conducting plate (3), a shaft seal fixed sleeve (5) is arranged on one side of the first sealing ring (4), a connecting shaft (6) transversely penetrates through the inside of the pressure expanding plate (2), a turbine (7) is arranged on one side of the connecting shaft (6), an air compressor impeller (8) is arranged on the other side of the connecting shaft (6), a fixed ring block (9) is fixedly connected to one side, close to the connecting shaft (6), of the turbine (7), a full-floating bearing (10) is arranged on one side of the fixed ring block (9), a thrust ring piece (11) is attached and connected between the fixed ring block (9) and the full-floating bearing (10), an arc-shaped sealing groove (12) is formed in the other side of the pressure expanding plate (2), the arc sealing groove (12) is internally provided with a sealing block (13) in a laminating manner, and the arc sealing groove (12) is close to one side of the air compressing impeller (8) and is provided with an oil return channel (14).

2. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 1, characterized in that: one side of the compressed air impeller (8) close to the connecting shaft (6) is connected with a second sealing ring (15), the second sealing ring (15) is just opposite to one side of the inside of the pressure expanding plate (2) and is provided with a clamping groove (16), and the connecting shaft (6) penetrates through the inside of the turbine (7) and is sleeved with an oil absorption layer (17).

3. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 1, characterized in that: one side of the heat conducting plate (3) is fixedly connected with the inner side of the turbine (7), and the first sealing ring (4) is sleeved with the connecting shaft (6).

4. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 1, characterized in that: the shaft seal fixed sleeve (5) is internally fixedly sleeved with a connecting shaft (6), and two sides of the connecting shaft (6) respectively penetrate through one side of the turbine (7) opposite to the air compressing impeller (8).

5. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 1, characterized in that: the fixed ring block (9), the full-floating bearing (10) and the thrust ring piece (11) are all internally sleeved with a connecting shaft (6).

6. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 1, characterized in that: one side of the oil return channel (14) far away from the arc-shaped sealing groove (12) is attached and connected with the air compressing impeller (8).

7. An oil-leakage-preventing sealed turbocharger intermediate body according to claim 2, characterized in that: the inner portion of the second sealing ring (15) is sleeved with a connecting shaft (6), the inner side of the clamping groove (16) is connected with the two sides of the second sealing ring (15) in a clamping mode, the oil absorption layer (17) is arranged in an arc shape, and the outer side of the oil absorption layer (17) is connected with the inner portion of the turbine (7) in a laminating mode.