CN209011943U - A kind of turbocharger that can be improved service life - Google Patents

Abstract

The utility model discloses a kind of turbochargers that can be improved service life; including waste gas inlet, exhaust gas outlet, air inlet, air outlet and shaft; the end of waste gas inlet is provided with cooling device in the utility model; exhaust gas in internal combustion engine just can enter in turbocharger after must first passing through cooling device; when exhaust gas passes through cooling tube; the cooled pipe of a part of heat absorbs; it can reach the purpose to exhaust gas cooling, waste gas inlet protected not scalded by high-temp waste gas；The utility model is socketed fixed ring in the outside of shaft; the outside socket outer support pipe and inner support member of fixed ring; runner is provided in inner support member; runner is directly contacted with fixed ring, and as the spindle is rotated at high speeds, fixed ring is bonded runner rotation; reduce the frictional force generated when rotation; it directly participates in rubbing compared to shaft in traditional technology, it is originally practical to play the role of protecting shaft, improve the service life of turbocharger.

Description

A kind of turbocharger that can be improved service life

Technical field

The utility model relates to turbocharger technical field, specially a kind of turbocharging that can be improved service life Machine.

Background technique

Turbocharger is a kind of exhaust gas offer power simultaneously compressed air raising internal combustion engine output using internal combustion engine discharge A kind of equipment of power, general turbocharger service life do not exceed 10 years, and need in use meticulously Maintenance, and the damaged condition of turbocharger is also varied, it may be possible to engine oil supplying not in time caused by inner body mistake Cross friction, it is also possible to be that the inside of compressor is mixed into impurity and makes impeller failure, but the most common damaged condition has following two Kind: first is that the temperature due to exhaust gas is excessively high, it is ruined the air inlet of turbine；Second is that the shaft of impeller connecting shaft and internal branch Transition is rubbed between support member and the damage that generates, for this purpose, the utility model proposes a kind of turbochargings that can be improved service life Machine is for solving the above problems.

Utility model content

The purpose of this utility model is to provide a kind of turbochargers that can be improved service life, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of turbine increasing that can be improved service life Press, including waste gas inlet, exhaust gas outlet, air inlet, air outlet and shaft, the waste gas inlet Outer end is bolted cooling device, and the cooling device is made of porous connector, cooling tube and air inlet funnel, described porous Connector is round pie structure, and through being equipped with through-hole on porous connector, and number of openings is several, the quantity of the cooling tube with The quantity of through-hole is equal, and one end of each cooling tube is inserted into through-holes and is connect with through-hole, the other end of cooling tube with The connection of air inlet funnel, the two sides of the shaft are sleeved and fixed ring, and the fixed ring is tubular structure, the outer lateral edge circle of fixed ring Zhou Jun offers first annular groove, and the outside of the first annular groove is socketed outer support pipe, the outer support Guan Weiguan Shape structure, inside circumferentially offers second annular groove, inner support member is equipped in the second annular groove, described Inner support member is groove-like structure, and quantity is not less than ten, and each inner support member is uniformly distributed in second annular groove, interior branch The inside of support member is equipped with runner, and the inside two sides of inner support member offer axial trough, and the both ends of the runner are interspersed in interior In the axial trough of supporting element two sides.

Preferably, the two sides of the inner support member are bonded with the inside two sides of outer support pipe, the inside of inner support member with Elastic plate is equipped between the inside of outer support pipe, the elastic plate is two pieces of symmetrically arranged semicircle arcuation structure compositions, and The both ends of elastic plate are connect with inner support member and outer support pipe respectively.

Preferably, the width of the runner is less than the width of first annular groove on the outside of fixed ring, and the side of runner is equal It is bonded with first annular groove.

Preferably, the inside diameter of the fixed ring is equal to the diameter of shaft, and the inner wall of fixed ring and the surface of shaft are pasted It closes, the two welding setting.

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

1. the end of waste gas inlet is provided with cooling device in the utility model, the exhaust gas in internal combustion engine must be first It just can enter in turbocharger after apparatus for supercooling, when exhaust gas passes through cooling tube, the cooled pipe of a part of heat absorbs, can Achieve the purpose that cool down to exhaust gas, waste gas inlet is protected not scalded by high-temp waste gas；

2. the utility model is socketed fixed ring, the outside socket outer support pipe and inner support of fixed ring in the outside of shaft Part is provided with runner in inner support member, and runner is directly contacted with fixed ring, and as the spindle is rotated at high speeds, fixed ring is bonded runner It rotates, reduces the frictional force generated when rotation, directly participate in rubbing compared to shaft in traditional technology, it is originally practical to play protection turn The effect of axis improves the service life of turbocharger.

Detailed description of the invention

Fig. 1 is the utility model structure sectional view；

Fig. 2 is structure enlargement diagram at the utility model A；

Fig. 3 is the utility model outer support pipe structural side view；

Fig. 4 is the utility model fixed ring constructional appearance schematic diagram.

In figure: 1 waste gas inlet, 2 exhaust gas outlets, 3 air inlets, 4 air outlets, 5 shafts, 6 porous connections Part, 7 cooling tubes, 8 air inlet funnels, 9 cooling devices, 10 fixed rings, 11 outer support pipes, 12 inner support members, 13 runners, 14 elasticity Plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of turbocharging that can be improved service life Machine, including waste gas inlet 1, exhaust gas outlet 2, air inlet 3, air outlet 4 and shaft 5, waste gas inlet 1 Outer end is bolted cooling device 9, and cooling device 9 is made of porous connector 6, cooling tube 7 and air inlet funnel 8, porous company Fitting 6 is round pie structure, and through being equipped with through-hole on porous connector 6, and number of openings is several, the quantity of cooling tube 7 and logical The quantity in hole is equal, and one end of each cooling tube 7 is inserted into through-holes and is connect with through-hole, the other end of cooling tube 7 with Air inlet funnel 8 connects, and cooling tube 7 is metallic tube-shaped structure, the property with corrosion-and high-temp-resistant, when high-temp waste gas passes through cooling When pipe 7, the partial heat pipe 7 that can be cooled is absorbed；

The two sides of shaft 5 are sleeved and fixed ring 10, and fixed ring 10 is tubular structure, and the outside of fixed ring 10 is circumferentially opened Equipped with first annular groove, the outside of first annular groove is socketed outer support pipe 11, and outer support pipe 11 is tubular structure, in Lateral edge circumference offers second annular groove, and inner support member 12 is equipped in second annular groove, and inner support member 12 is channel-shaped Structure, quantity is not less than ten, and each inner support member 12 is uniformly distributed in second annular groove, the inside of inner support member 12 It is equipped with runner 13, the inside two sides of inner support member 12 offer axial trough, and the both ends of runner 13 are interspersed in inner support member 12 In the axial trough of two sides.

The two sides of inner support member 12 are bonded with the inside two sides of outer support pipe 11, the inside of inner support member 12 and outer support Elastic plate 14 is equipped between the inside of pipe 11, elastic plate 14 is two pieces of symmetrically arranged semicircle arcuation structure compositions, and elastic The both ends of plate 14 are connect with inner support member 12 and outer support pipe 11 respectively；Elastic plate 14 is spliced by two pieces of sheet metals, gold Pair of interior support part 12 provides elastic force straight up always for metal thin plate bending setting, i.e. sheet metal, makes runner 13 and fixed ring The first annular groove fitting in 10 outsides；

The width of runner 13 is less than the width of 10 outside first annular groove of fixed ring, and the side of runner 13 is with first Annular groove fitting；Runner 13 can rotate in inner support member 12, because runner 13 is first annular with 10 outside of fixed ring always Groove fitting, so fixed ring 10 necessarily will drive runner 13 and rotate together, reduce the friction generated when its rotation in rotation Power；

The inside diameter of fixed ring 10 is equal to the diameter of shaft 5, and the inner wall of fixed ring 10 is bonded with the surface of shaft 5, and two Person welds setting, and fixed ring 10 is welded in shaft 5, and when shaft 5 rotates, fixed ring 10 can be rotated together with shaft 5, Gu Determine ring 10 directly to contact with the external world, plays the role of protecting shaft 5.

Working principle: when the utility model is used, the exhaust gas being discharged in internal combustion engine initially enters in cooling device 9, specifically Process are as follows: exhaust gas initially enters in air inlet funnel 8, then passes through cooling tube 7, finally wears from the through-hole on porous connector 6 It crosses and enters in waste gas inlet 1, the quantity of cooling tube 7 is several, when high-temp waste gas is contacted with 7 tube wall of cooling tube, part heat It measures cooled pipe 7 to absorb, the temperature of exhaust gas is lowered, that is, achievees the purpose that protect waste gas inlet 1.In the work of turbocharger During work, impeller high-speed rotation drives shaft 5 with same rotational speed, because the outside of shaft 5 is socketed fixed ring 10, Gu Determine the outside socket outer support pipe 11 and inner support member 12 of ring 10, inner support member 12 is internally provided with runner 13, runner 13 with Fixed ring 10 directly contacts, and plays the role of reducing frictional force.Elastic plate is provided between inner support member 12 and outer support pipe 11 14, elastic plate 14 is that two pieces of curved metal thin plates are constituted, and is played a supporting role, and pastes runner 13 closely with fixed ring 10 always It closes, it is ensured that stability when shaft 5 rotates, overall structure is simple, safely and effectively.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of turbocharger that can be improved service life, including waste gas inlet (1), exhaust gas outlet (2), air inlet Mouth (3), air outlet (4) and shaft (5), it is characterised in that: the outer end of the waste gas inlet (1) is bolted cooling Device (9), the cooling device (9) is made of porous connector (6), cooling tube (7) and air inlet funnel (8), described porous Connector (6) is round pie structure, runs through on porous connector (6) and is equipped with through-hole, and number of openings is several, the cooling tube (7) quantity is equal with the quantity of through-hole, and one end of each cooling tube (7) is inserted into through-holes and is connect with through-hole, cooling The other end of pipe (7) is connect with air inlet funnel (8), and the two sides of the shaft (5) are sleeved and fixed ring (10), the fixed ring It (10) is tubular structure, the outside of fixed ring (10) circumferentially offers first annular groove, the first annular groove Outside is socketed outer support pipe (11), and the outer support pipe (11) is tubular structure, and inside circumferentially offers the second ring Connected in star is equipped with inner support member (12) in the second annular groove, and the inner support member (12) is groove-like structure, quantity Not less than ten, and each inner support member (12) is uniformly distributed in second annular groove, and the inside of inner support member (12) is equipped with Runner (13), the inside two sides of inner support member (12) offer axial trough, and the both ends of the runner (13) are interspersed in inner support In the axial trough of part (12) two sides.

2. a kind of turbocharger that can be improved service life according to claim 1, it is characterised in that: the inner support The two sides of part (12) are bonded with the inside two sides of outer support pipe (11), inside and outer support pipe (11) of inner support member (12) Elastic plate (14) are equipped between inside, the elastic plate (14) is two pieces of symmetrically arranged semicircle arcuation structure compositions, and bullet The both ends of property plate (14) are connect with inner support member (12) and outer support pipe (11) respectively.

3. a kind of turbocharger that can be improved service life according to claim 1, it is characterised in that: the runner (13) width be less than fixed ring (10) on the outside of first annular groove width, and the side of runner (13) with it is first annular recessed Slot fitting.

4. a kind of turbocharger that can be improved service life according to claim 1, it is characterised in that: the fixed ring (10) inside diameter is equal to the diameter of shaft (5), and the inner wall of fixed ring (10) is bonded with the surface of shaft (5), the two welding Setting.