CN219672695U - Turbocharger movement structure with elastic stop at two sides - Google Patents
Turbocharger movement structure with elastic stop at two sides Download PDFInfo
- Publication number
- CN219672695U CN219672695U CN202321103980.9U CN202321103980U CN219672695U CN 219672695 U CN219672695 U CN 219672695U CN 202321103980 U CN202321103980 U CN 202321103980U CN 219672695 U CN219672695 U CN 219672695U
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- turbine shaft
- bearing
- bearing sleeve
- vortex
- sleeve
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model relates to a double-side elastic stop turbocharger movement structure, which comprises a turbine shaft, a vortex end sealing ring and an intermediate body, wherein the turbine shaft is provided with a turbine end sealing ring; the intermediate is a main design carrier of the movement and comprises an intermediate center hole, an intermediate positioning pin and an intermediate retainer ring groove; one end of the turbine shaft is provided with a turbine shaft rod, the turbine shaft rod is further provided with a bearing sleeve, one end of the bearing sleeve in an assembled state is provided with a pressing end elastic pad, and the pressing end elastic pad is coaxially assembled and connected with the turbine shaft rod. According to the movement structure of the turbocharger, the elastic washers respectively arranged at the vortex end and the pressing end are adopted to act and restrict together, so that a double-side elastic stop structural design is formed, and the defect of axial movement generated by the original structure is overcome; through the matching structural design of the locating pin on the intermediate body and the locating hole on the bearing sleeve, the alignment precision of the oil inlet hole of the intermediate body and the oil inlet hole of the bearing sleeve is improved, and the speed of lubricating oil reaching the bearings on two sides is improved.
Description
Technical Field
The utility model relates to the turbocharger technology, in particular to a turbocharger movement structure with elastic stop at two sides.
Background
In the prior art, the split ball structure of the turbocharger has the advantage that the movement is axially stopped by fixing the end face of the bearing sleeve, so that the movement main body is axially limited, and the movement is stopped. The original turbocharger movement structure only adopts a piece of elastic washer at the bearing part of the vortex end, and the pressing end is stopped by virtue of the clearance between the air sealing plate and the bearing sleeve, so that the stopping effect can not be realized in fact, certain axial movement can be generated, and meanwhile, the dynamic balance of the movement can be influenced, so that the original structure can not realize the requirement of mass production. There is therefore a need to develop a turbocharger cartridge structure with a double-sided elastic stop to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the utility model relates to a double-side elastic stop turbocharger movement structure, which comprises a turbine shaft, a vortex end sealing ring and an intermediate body; the intermediate is a main design carrier of the movement and comprises an intermediate center hole, an intermediate positioning pin and an intermediate retainer ring groove; one end of the turbine shaft is provided with a turbine shaft rod, and is coaxially assembled and connected with a central hole of an intermediate body through the turbine shaft rod, and meanwhile, a turbine shaft vortex end annular groove is also formed between the turbine shaft and the turbine shaft rod, wherein a vortex end sealing ring is arranged in the turbine shaft vortex end annular groove;
the inner cavity of the central hole of the intermediate body is internally provided with a vortex end bearing, meanwhile, the vortex end bearing and the turbine shaft rod are coaxially assembled, one end of the vortex end bearing is positioned on the step end face of the turbine shaft to form a shaft sleeve structure, and the other end of the vortex end bearing is also provided with a vortex end elastic gasket.
In one embodiment of the utility model, a bearing sleeve is further arranged on the turbine shaft rod, one end of the bearing sleeve is provided with a bearing sleeve positioning hole, and the bearing sleeve positioning hole is positioned on the inner step end surface of the intermediate positioning pin.
In one embodiment of the utility model, a bearing sleeve central hole is arranged in the bearing sleeve, meanwhile, a spacer sleeve is also arranged in the bearing sleeve central hole cavity, the spacer sleeve is coaxially assembled and connected with the turbine shaft rod, and one end of the spacer sleeve is positioned on the end face of the turbine end bearing;
one side of the spacer sleeve is provided with a pressure end bearing, the pressure end bearing is coaxially assembled and connected with the turbine shaft rod, and one end of the pressure end bearing is positioned on the end face of the spacer sleeve;
the other end of the end pressing bearing is provided with an end pressing bearing retainer ring, and the end pressing bearing retainer ring is assembled in a bearing sleeve retainer ring groove in the bearing sleeve.
In one embodiment of the utility model, one end of the bearing sleeve in the assembled state is provided with a pressing end elastic pad, and the pressing end elastic pad is coaxially assembled and connected with the turbine shaft rod and positioned on the step surface of the bearing sleeve;
meanwhile, one end of the pressure end elastic pad is also provided with a shaft seal and an air sealing plate, wherein the shaft seal is coaxially assembled and connected with the turbine shaft rod, the outer end face of the shaft seal is coaxially assembled in the center hole of the air sealing plate, the shaft seal is provided with a shaft seal ring groove, and the shaft seal ring groove is internally provided with a pressure end sealing ring.
In one embodiment of the utility model, one end of the air seal plate is also provided with an air seal plate retainer ring, an impeller and a lock nut, wherein the air seal plate retainer ring is arranged between the air seal plate and the impeller, the air seal plate retainer ring is positioned and assembled in a middle body retainer ring groove, and meanwhile, the impeller and the air seal plate retainer ring are coaxially assembled on a turbine shaft rod and positioned and arranged on the end face of a shaft seal; and the lock nut is screwed on the thread of the end face of the head part of the turbine shaft rod and is stopped on the end face of the impeller until the specified torque force is reached.
Compared with the prior art, the technical scheme of the utility model has the following advantages: according to the movement structure of the turbocharger, the elastic washers respectively arranged at the vortex end and the pressing end are adopted to act together and restrict each other, so that a double-side elastic stop structural design is formed, the defect of axial movement generated by an original structure can be overcome, the movement structure is beneficial to the overall dynamic balance of the movement, and the aim of mass production can be fulfilled; through the cooperation structural design of locating pin on the midbody and locating hole on the bearing housing, can make midbody inlet port and the better alignment of bearing housing inlet port, promote the speed that lubricating oil reachd the both sides bearing, make core rotor system get into the best state faster.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is an exploded cross-sectional schematic view of a turbocharger cartridge configuration according to the present utility model;
fig. 2 is a front cross-sectional view of a turbocharger cartridge structure according to the present utility model.
As shown in the figure: 1-turbine shaft, 2-turbine end sealing ring, 3-intermediate, 4-turbine end bearing, 5-turbine end elastic washer, 6-spacer sleeve, 7-bearing sleeve, 8-press end bearing, 9-press end bearing retainer ring, 10-press end elastic washer, 11-shaft seal, 12-press end sealing ring, 13-gas seal plate, 14-gas seal plate retainer ring, 15-impeller, 16-lock nut, 17-turbine shaft turbine end ring groove, 18-turbine shaft, 19-intermediate center hole, 20-intermediate locating pin, 21-intermediate retainer ring groove, 22-bearing sleeve center hole, 23-bearing sleeve retainer ring groove, 24-bearing sleeve locating hole, 25-shaft seal ring groove.
Detailed Description
As shown in fig. 1 and 2, the present embodiment provides a turbocharger movement structure with elastic stop on both sides, which includes two elastic washers, and a vortex end and a press end each have one piece. The vortex end elastic washer 5 is arranged between the vortex end bearing 4 and the bearing sleeve 7, the pressure end elastic washer 10 is arranged between the bearing sleeve 7 and the air seal plate 13, and the two are mutually complemented and act together to generate a stop effect.
The double-side elastic stop type turbocharger movement structure comprises a turbine shaft 1, a turbine end sealing ring 2 and an intermediate body 3; the intermediate body 3 is a main carrier for designing the movement, and the intermediate body 3 comprises an intermediate body center hole 19, an intermediate body positioning pin 20 and an intermediate body check ring groove 21; one end of the turbine shaft 1 is provided with a turbine shaft lever 18, and is coaxially assembled and connected with an intermediate body center hole 19 of the intermediate body 3 through the turbine shaft lever 18, and meanwhile, a turbine shaft vortex end ring groove 17 is also arranged between the turbine shaft 1 and the turbine shaft lever 18, wherein a vortex end sealing ring 2 is arranged in the turbine shaft vortex end ring groove 17;
the inner cavity of the central hole 19 of the intermediate body is provided with a vortex end bearing 4, meanwhile, the vortex end bearing 4 and a turbine shaft rod 18 are coaxially assembled, one end of the vortex end bearing 4 is positioned on the step end face of the turbine shaft 1 to form a shaft sleeve structure, and the other end of the vortex end bearing 4 is also provided with a vortex end elastic gasket 5.
Further, the vortex end elastic gasket 5 is selected from a standard wave gasket series. The vortex end elastic washer 5 is arranged between the vortex end bearing 4 and the bearing sleeve 7, acts on the right end face of the vortex end bearing 4 and the bottom face of the vortex end bearing sleeve 7, the gap between the two faces is smaller than the peak height of the vortex end elastic washer 5 in a natural state in a normal state, the locking nut 16 at the core impeller 15 is locked, and the vortex end elastic washer 5 is stressed to generate a unidirectional stopping effect.
The turbine shaft lever 18 is also provided with a bearing sleeve 7, one end of the bearing sleeve 7 is provided with a bearing sleeve positioning hole 24, and the bearing sleeve positioning hole 24 is positioned on the inner step end surface of the intermediate positioning pin 20.
The bearing sleeve 7 is internally provided with a bearing sleeve central hole 22, meanwhile, the inner cavity of the bearing sleeve central hole 22 is also provided with a spacer sleeve 6, the spacer sleeve 6 is coaxially assembled and connected with the turbine shaft rod 18, and one end of the spacer sleeve 6 is positioned on the end face of the turbine end bearing 4;
further, the bearing sleeve 7 mainly serves to bear and fix the vortex end 4 and the pressure end bearing 8, and is located between the intermediate body 3 and the air sealing plate 13, the radial positioning of the bearing sleeve 7 is realized through a bearing sleeve positioning hole 24 of the bearing sleeve and an intermediate body positioning pin 20 on the intermediate body 3, and the axial direction is realized through the combined action of a positioning end surface of the intermediate body 3 and the pressure end elastic washer 10.
One side of the spacer sleeve 6 is provided with a pressure end bearing 8, the pressure end bearing 8 is coaxially assembled and connected with the turbine shaft lever 18, and one end of the pressure end bearing 8 is positioned on the end surface of the spacer sleeve 6;
the other end of the end pressing bearing 8 is provided with an end pressing bearing retainer ring 9, and meanwhile the end pressing bearing retainer ring 9 is assembled in a bearing sleeve retainer ring groove 23 in the bearing sleeve 7.
One end of the bearing sleeve 7 in the assembled state is provided with a pressing end elastic pad 10, and meanwhile, the pressing end elastic pad 10 is coaxially assembled and connected with the turbine shaft lever 18 and is positioned on the step surface of the bearing sleeve 7;
meanwhile, one end of the end pressing elastic pad 10 is further provided with a shaft seal 11 and an air sealing plate 13, wherein the shaft seal 11 is coaxially assembled and connected with the turbine shaft rod 18, the outer end face of the shaft seal 11 is coaxially assembled in the center hole of the air sealing plate 13, the shaft seal 11 is provided with a shaft seal ring groove 25, and the shaft seal ring groove 25 is internally provided with an end pressing sealing ring 12.
In addition, the air sealing plate 13 is arranged at one end of the intermediate body 3, and positioning and stopping are realized through the cooperation of the intermediate body retainer ring groove 21 and the pressing end elastic gasket 10.
Further, the end-pressing elastic washer 10 is a standard wave washer series. Because of the structure of the pressing end, a D35 washer which is several grades larger than the vortex end is selected, the pressing end elastic washer 10 is arranged between the bearing sleeve 7 and the air seal plate 13, the bottom surface of the stepped hole of the bearing sleeve 7 acting on the pressing end and the bottom surface of the stepped hole of the air seal plate 13 are smaller than the peak height of the pressing end elastic washer 10 in the natural state in the normal state, the locking nut 16 at the core impeller 15 is locked, and the pressing end elastic washer 10 is stressed to generate a unidirectional stopping effect.
One end of the air sealing plate 13 is also provided with an air sealing plate retainer ring 14, an impeller 15 and a lock nut 16, wherein the air sealing plate retainer ring 14 is arranged between the air sealing plate 13 and the impeller 15, the air sealing plate retainer ring 14 is positioned and assembled in the middle body retainer ring groove 21, and meanwhile, the impeller 15 and the air sealing plate retainer ring 14 are coaxially assembled on the turbine shaft rod 18 and positioned and arranged on the end face of the shaft seal 11; and the lock nut 16 is screwed on the thread of the end face of the head of the turbine shaft lever 18, is stopped on the end face of the impeller 15, and is screwed until the torque is regulated.
In the turbocharger movement structure of this embodiment, when the air seal plate retainer ring 14 is used to press the air seal plate 13 into the central hole 19 of the intermediate body, and is positioned on the positioning end surface of the intermediate body, the air seal plate 13 is stopped.
The pressing end elastic washer 10 receives the acting force exerted by the contact surface with the air seal plate 13 at the moment, so that the pressing end elastic washer 10 generates elastic deformation between the air seal plate 13 and the bearing sleeve 7, and meanwhile, the acting force generated by the elastic deformation is exerted on the contact surface with the bearing sleeve 7, and the bearing sleeve 7 realizes axial stop at the moment. The bearing housing locating holes 24 act with the intermediate locating pins 20 to achieve radial stop.
When the lock nut 16 is screwed down to a prescribed torque force, the lock nut generates a force to the impeller 15, the impeller 15 applies the force to the shaft seal 11, the shaft seal 11 acts on the end pressing bearing 8, the end pressing bearing 8 acts on the spacer bush 6, the spacer bush 6 acts on the turbine end bearing 4, the turbine end bearing 4 acts on the turbine shaft 1, and at the same time, the turbine shaft 1 generates a reaction force directed to the end pressing to be transmitted to the turbine end bearing 4, and the turbine end bearing 4 acts on the turbine end elastic washer 5, so that the turbine end elastic washer 5 generates elastic deformation. The combined structure of the vortex end and the elastic washer of the pressing end is interacted to form the double-side elastic stop system finally.
The utility model relates to a double-side elastic stop movement structure, the rest of which is a turbocharger common structure, and the parts of the turbocharger, the working principle of which is not described in detail, are basically the same as those of the turbocharger in the prior art, and the utility model only uses the turbocharger and does not improve the turbocharger, so the utility model does not describe the working principle and the connection relation of the parts in detail.
The double-side elastic stop movement structure solves the problems that the traditional turbocharger cannot realize axial stop, batch production and the like of the movement, and can ensure the original reliability and high performance of the movement.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (5)
1. The double-side elastic stop type turbocharger movement structure is characterized by comprising a turbine shaft (1), a vortex end sealing ring (2) and an intermediate body (3); the intermediate body (3) is a main design carrier of the movement, and the intermediate body (3) comprises an intermediate body center hole (19), an intermediate body positioning pin (20) and an intermediate body check ring groove (21); one end of the turbine shaft (1) is provided with a turbine shaft lever (18), and is coaxially assembled and connected with an intermediate body center hole (19) of the intermediate body (3) through the turbine shaft lever (18), meanwhile, a turbine shaft vortex end annular groove (17) is also arranged between the turbine shaft (1) and the turbine shaft lever (18), and the vortex end sealing ring (2) is arranged in the turbine shaft vortex end annular groove (17);
the inner cavity of the middle body center hole (19) is provided with a vortex end bearing (4), meanwhile, the vortex end bearing (4) and a turbine shaft lever (18) are coaxially assembled, one end of the vortex end bearing (4) is positioned on the step end face of the turbine shaft (1) to form a shaft sleeve structure, and the other end of the vortex end bearing (4) is also provided with a vortex end elastic gasket (5).
2. The turbocharger cartridge structure of claim 1, wherein: the turbine shaft lever (18) is also provided with a bearing sleeve (7), one end of the bearing sleeve (7) is provided with a bearing sleeve positioning hole (24), and meanwhile, the bearing sleeve positioning hole (24) is positioned on the inner step end face of the intermediate positioning pin (20).
3. The turbocharger cartridge structure of claim 2, wherein: a bearing sleeve central hole (22) is formed in the bearing sleeve (7), a spacer sleeve (6) is further arranged in the inner cavity of the bearing sleeve central hole (22), the spacer sleeve (6) is coaxially assembled and connected with the turbine shaft rod (18), and one end of the spacer sleeve (6) is positioned on the end face of the turbine end bearing (4);
one side of the spacer sleeve (6) is provided with a pressure end bearing (8), the pressure end bearing (8) is coaxially assembled and connected with the turbine shaft lever (18), and one end of the pressure end bearing (8) is positioned on the end face of the spacer sleeve (6);
the other end of the end pressing bearing (8) is provided with an end pressing bearing retainer ring (9), and meanwhile the end pressing bearing retainer ring (9) is assembled in a bearing sleeve retainer ring groove (23) in the bearing sleeve (7).
4. A turbocharger cartridge arrangement according to claim 3, wherein: one end of the bearing sleeve (7) in the assembled state is provided with a pressing end elastic pad (10), and meanwhile, the pressing end elastic pad (10) is coaxially assembled and connected with the turbine shaft lever (18) and is positioned on the step surface of the bearing sleeve (7);
meanwhile, one end of the end pressing elastic pad (10) is further provided with a shaft seal (11) and an air sealing plate (13), wherein the shaft seal (11) and the turbine shaft rod (18) are coaxially assembled and connected, the outer end face of the shaft seal (11) is coaxially assembled in a center hole of the air sealing plate (13), the shaft seal (11) is provided with a shaft seal ring groove (25), and the shaft seal ring groove (25) is internally provided with an end pressing sealing ring (12).
5. The turbocharger cartridge structure of claim 4, wherein: one end of the air sealing plate (13) is also provided with an air sealing plate check ring (14), an impeller (15) and a lock nut (16), wherein the air sealing plate check ring (14) is arranged between the air sealing plate (13) and the impeller (15), the air sealing plate check ring (14) is positioned and assembled in the middle body check ring groove (21), and meanwhile, the impeller (15) and the air sealing plate check ring (14) are coaxially assembled on the turbine shaft lever (18) and positioned and arranged on the end face of the shaft seal (11); and the locking nut (16) is screwed on the thread of the end face of the head part of the turbine shaft lever (18), is stopped on the end face of the impeller (15), and is screwed until the torque is regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321103980.9U CN219672695U (en) | 2023-05-10 | 2023-05-10 | Turbocharger movement structure with elastic stop at two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321103980.9U CN219672695U (en) | 2023-05-10 | 2023-05-10 | Turbocharger movement structure with elastic stop at two sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672695U true CN219672695U (en) | 2023-09-12 |
Family
ID=87896363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321103980.9U Active CN219672695U (en) | 2023-05-10 | 2023-05-10 | Turbocharger movement structure with elastic stop at two sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672695U (en) |
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2023
- 2023-05-10 CN CN202321103980.9U patent/CN219672695U/en active Active
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