Turbocharger with hoop assembly structure

Abstract

The utility model discloses a turbocharger with a hoop assembly structure. The turbocharger comprises a shell, a turbine assembly, a gas compressor assembly and a rotor assembly, wherein the turbine assembly, the gas compressor assembly and the rotor assembly are arranged in the shell; the shell comprises a first shell assembly and a second shell assembly. The end face, facing the second shell assembly, of the first shell assembly is provided with an annular first assembling part, the end face, facing the first shell assembly, of the second shell assembly is provided with an annular second assembling part, and the first assembling part and the second assembling part are assembled together through a hoop assembly. The clamp assembly comprises a plurality of arc-shaped lining plates and annular locking belts wrapping the arc-shaped lining plates. The two ends of the annular locking belt are locked through an adjustable structure. The first shell assembly and the second shell assembly are assembled through the clamping hoop assembly, the structure is compact, assembling operation is convenient, the arc-shaped lining plate can well conduct axial limiting on the two shell assemblies, the tightness degree of the annular locking belt is adjustable, radial annular locking can be well implemented, the locking force is high after assembling, and stability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of turbochargers, and in particular relates to a turbocharger with a clamp assembly structure. Background Art

[0002] A turbocharger is a device that uses engine exhaust to drive a turbine, thereby increasing the engine's air intake and output power. With the development of the automotive industry, turbochargers have played a vital role in improving engine efficiency, reducing fuel consumption, and lowering emissions, and are widely used.

[0003] The structure of a turbocharger generally includes a turbine assembly, a compressor assembly, and a rotor assembly. The engine's exhaust gas drives the turbine impeller to rotate, and the rotor assembly drives the compressor impeller to rotate, thereby increasing the engine's air intake.

[0004] In the prior art, the turbine housing and the compressor housing are generally assembled through flanges and nuts, which is relatively cumbersome. Based on this, the present application designs a turbocharger with a clamp assembly structure. Utility Model Content

[0005] In view of the above deficiencies in the prior art, the present invention provides a turbocharger with a clamp assembly structure, wherein the turbine housing and the compressor housing are assembled through the clamp structure, which has a compact structure, is easy to operate, and has high firmness after assembly.

[0006] The utility model solves the problem through the following technical solutions.

[0007] A turbocharger with a clamp assembly structure, the turbocharger comprising a housing and a turbine assembly, a compressor assembly, and a rotor assembly arranged in the housing; the housing comprising a housing assembly one and a housing assembly two; the housing assembly one has a first annular assembly portion on its end face facing the housing assembly two, and the housing assembly two has a second annular assembly portion on its end face facing the housing assembly one, the first assembly portion and the second assembly portion being assembled together via a clamp assembly; the clamp assembly comprises a plurality of arc-shaped lining plates and an annular locking band covering the outside of the arc-shaped lining plates; the two ends of the annular locking band are locked by an adjustable structure.

[0008] In the turbocharger of the present application, the housing assembly 1 and the housing assembly 2 are assembled by a clamp assembly, which has a compact structure and convenient assembly operation. The arc-shaped liner can well limit the axial position of the two housing assemblies. The tightness of the annular locking band is adjustable, which can well implement radial annular locking. After assembly, the locking force is strong and the stability is high.

[0009] In a preferred implementation, the first assembly part is provided with a ring-shaped first groove and a ring-shaped first boss, and the second assembly part is provided with a ring-shaped second groove and a ring-shaped second boss, and the structure after assembly has high stability.

[0010] In a preferred implementation, the arc-shaped lining plate is provided with a slanting limiting slope on both sides, and the outer edge of the slanting limiting slope is provided with an end edge, the slanting limiting slope can be abutted on the side surface of the first boss and the second boss to realize limiting, and the end edge can be placed in the first groove and the second groove, which ensures that the locking force after assembly is strong, the stability is high, and the disassembly is convenient.

[0011] In a preferred implementation, the arc-shaped lining plate is uniformly distributed in three pieces, and the three arc-shaped lining plates have gaps therebetween, which can well adapt to the assembly of different sizes of housings.

[0012] In a preferred implementation, the turbocharger further comprises a driving unit for driving the blades in the nozzle ring assembly in the turbocharger to rotate, and the telescopic rod of the driving unit passes through the through hole on the clamp assembly and enters the inside of the turbocharger.

[0013] In a preferred implementation, the two ends of the annular locking belt have a bending part to form an assembly structure, and the assembly structures at the two ends are a first assembly cavity and a second assembly cavity respectively; a screw rod is arranged in the first assembly cavity, the rod part of the screw rod passes through the second assembly cavity, a sleeve is arranged in the second assembly cavity, and the sleeve is assembled on the screw rod and locked by a nut. In this structure, the locking force of the annular locking belt can be conveniently adjusted by rotating the adjusting nut on the screw rod, and the operation is convenient.

[0014] In a preferred implementation, the end part of the screw rod is limited in the first assembly cavity, the end part of the sleeve is limited in the second assembly cavity, and the belt material of the first assembly cavity and the second assembly cavity is provided with a strip-shaped groove, so that the screw rod and the sleeve can conveniently pass out, the overall structure has high integration degree, convenient assembly and high stability.

[0015] In a preferred implementation, the annular locking belt and the bending parts at the two ends are an integral metal belt structure, and the bending parts at the two ends are welded or riveted to form a stable assembly structure, which has high strength and is convenient to produce.

[0016] Compared with the prior art, the turbocharger with the clamp assembly structure has the following beneficial effects: the turbine shell and the compressor shell are assembled through the clamp structure, the structure is compact, the operation is convenient, and the assembly is firm. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is a perspective view of the turbocharger in one of the embodiments of the utility model.

[0018] Figure 2 It is a perspective view of the shell assembly one in the utility model.

[0019] Figure 3 It is a perspective view of the shell assembly two in the utility model.

[0020] Figure 4 It is a sectional view of the turbocharger in one of the embodiments of the utility model.

[0021] Figure 5 It is Figure 4 The enlarged view of A area in it.

[0022] Figure 6 It is the front view of the clamp assembly in the utility model.

[0023] Figure 7 It is a perspective view of the clamp assembly in the utility model.

[0024] Figure 8 It is Figure 7 The enlarged view of B area in it.

[0025] Figure 9 It is the sectional view of the partial structure of the clamp assembly in the utility model. Specific embodiments

[0026] The utility model will be described further in detail below in combination with the drawings and specific embodiments.

[0027] In the following embodiments, same or similar reference numerals represent same or similar elements or elements with same or similar functions throughout, and the following embodiments described by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0028] In the description of the utility model, it needs to be understood that the terms: center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, therefore cannot be understood as the limitation of the utility model. In addition, the terms: first, second and the like are only for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the shown technical features. In the description of the utility model, unless otherwise explicitly specified and limited, the terms: mounting, connection, connection and the like should be understood in a broad sense, and the person skilled in the art can understand the specific meaning of the above terms in the application according to the specific circumstances.

[0029] Referring to Figures 1 to 9 The utility model discloses a turbocharger with hoop assembly structure, the turbocharger includes the casing and is located in casing turbine assembly, air compressor subassembly, rotor subassembly, the casing includes casing assembly one 1, casing assembly two 2, casing assembly one 1 has the circular ring first assembly unit on the end face of casing assembly two 2, casing assembly two 2 has the circular ring second assembly unit on the end face of casing assembly one 1, the first assembly unit and second assembly unit are assembled together through hoop assembly 4, hoop assembly 4 includes several arc lining plate 42 and the annular locking band 41 covered in the arc lining plate 42 outside, the both ends of annular locking band 41 are locked through adjustable structure.

[0030] In the application, the turbocharger further includes a driving unit 3 for driving the blades in the nozzle ring assembly of the turbocharger to rotate, and the telescopic rod 31 of the driving unit 3 passes through the through hole 43 on the hoop assembly 4 and then enters the inside of the turbocharger.

[0031] Specifically, from Figure 2 , Figure 3 , Figure 5 It can be seen that the first assembly unit is provided with a ring-shaped first groove 11 and a ring-shaped first boss 12, the second assembly unit is provided with a ring-shaped second groove 21 and a ring-shaped second boss 22, and the assembled structure has high stability. The two sides of the arc lining plate 42 are provided with inclined limiting slopes 421, the outer edge of the inclined limiting slope 421 is provided with an end edge 422, the inclined limiting slope 421 can be abutted on the side surface of the first boss 12 and the second boss 22 to realize limiting, and the end edge 422 can be placed in the first groove 11 and the second groove 21. This structure ensures that the locking force after assembly is strong, the stability is high, and the disassembly is convenient.

[0032] In addition, from the attached Figure 6 and the attached Figure 7 It can be seen that in the application, the arc lining plate 42 is three pieces of uniformly distributed arc lining plates, and the three pieces of arc lining plates 42 have gaps therebetween, which can well adapt to the assembly of casings of different sizes.

[0033] In more detail, from Figures 6 to 9As can be seen, in the application, the two ends of the annular locking belt 41 have the assembly structure formed by the bending portions 411, and the assembly structures of the two ends are a first assembly cavity 418 and a second assembly cavity 419 respectively; the first assembly cavity 418 is provided with a screw rod 46, the rod portion of the screw rod 46 passes through the second assembly cavity 419, the second assembly cavity 419 is provided with a sleeve 47, the sleeve 47 is assembled on the screw rod 46 and locked by a nut 48. In the structure, the locking force of the annular locking belt 41 can be conveniently adjusted by rotating the nut 48 to adjust the position of the screw rod 46, and the operation is convenient.

[0034] Further, the screw rod end portion 461 of the screw rod 46 is limited in the first assembly cavity 418, the sleeve end portion 471 of the sleeve 47 is limited in the second assembly cavity 419, and the first assembly cavity 418 and the second assembly cavity 419 are provided with strip-shaped grooves 413 on the belt material, so that the screw rod 46 and the sleeve 47 can conveniently pass out, the overall structure has high integration degree, convenient assembly and high stability.

[0035] In the application, the annular locking belt 41 and the bending portions 411 at the two ends are an integral metal belt structure, and the bending portions 411 at the two ends are welded or riveted to form a stable assembly structure, which has high strength and is convenient to produce.

[0036] As can be seen from the above description, in the turbocharger, the shell assembly one 1 and the shell assembly two 2 are assembled by the clamp assembly 4, the structure is compact, the assembly operation is convenient, and the arc-shaped lining plate 42 can well axially limit the two shell assemblies, the tightness of the annular locking belt 41 is adjustable, the radial annular locking can be well implemented, the locking force after assembly is strong, and the stability is high.

[0037] As described above, the utility model provides a turbocharger with a clamp assembly structure, wherein the turbine shell and the compressor shell are assembled by the clamp structure, the structure is compact, the operation is convenient, and the assembly is firm.

[0038] The protection scope of the utility model includes but is not limited to the above-mentioned embodiments, the protection scope of the utility model is subject to the claims, and any replacement, deformation, improvement of the technology in the art that can be easily thought of by the person skilled in the art falls within the protection scope of the utility model.

Claims

1. A turbocharger with a clamp assembly structure, the turbocharger comprising a housing and a turbine assembly, a compressor assembly, and a rotor assembly disposed in the housing; the housing comprising a housing assembly 1 (1) and a housing assembly 2 (2); Its characteristics are: The shell component 1 (1) has a first annular assembly portion on its end surface facing the shell component 2 (2), and the shell component 2 (2) has a second annular assembly portion on its end surface facing the shell component 1 (1), and the first assembly portion and the second assembly portion are assembled together via a clamp assembly (4); The clamp assembly (4) includes a plurality of arc-shaped lining plates (42) and an annular locking belt (41) wrapped around the outside of the arc-shaped lining plates (42); Both ends of the annular locking belt (41) are locked by an adjustable structure.

2. The turbocharger with a clamp assembly structure according to claim 1, characterized in that: The first assembly portion is provided with an annular first groove (11) and an annular first boss (12), and the second assembly portion is provided with an annular second groove (21) and an annular second boss (22).

3. The turbocharger with a clamp assembly structure according to claim 2, characterized in that: The arc-shaped lining plate (42) is provided with oblique limiting slopes (421) on both sides, and the outer edges of the oblique limiting slopes (421) are provided with end edges (422). The oblique limiting slopes (421) can abut against the side surfaces of the first boss (12) and the second boss (22) to achieve limiting, and the end edges (422) can be placed in the first groove (11) and the second groove (21).

4. The turbocharger with a clamp assembly structure according to claim 1, characterized in that: The arc-shaped lining plates (42) are three evenly distributed.

5. The turbocharger with a clamp assembly structure according to claim 1, characterized in that: The turbocharger further comprises a drive unit (3), wherein the telescopic rod (31) of the drive unit (3) passes through a through hole (43) on the clamp assembly (4) and enters the interior of the turbocharger; the through hole (43) is a strip-shaped long hole.

6. The turbocharger with a clamp assembly structure according to any one of claims 1 to 5, characterized in that: Both ends of the annular locking belt (41) have assembly structures formed by bending portions (411), and the assembly structures at both ends are respectively a first assembly cavity (418) and a second assembly cavity (419); A screw rod (46) is provided in the first assembly cavity (418), the rod portion of the screw rod passes through the second assembly cavity (419), and a sleeve (47) is provided in the second assembly cavity (419). The sleeve (47) is assembled on the screw rod (46) and is locked by a nut (48).

7. The turbocharger with a clamp assembly structure according to claim 6, characterized in that: The screw end (461) of the screw (46) is limited in the first assembly cavity (418), and the sleeve end (471) of the sleeve (47) is limited in the second assembly cavity (419). The strips of the first assembly cavity (418) and the second assembly cavity (419) are both provided with strip grooves (413) to facilitate the screw (46) and the sleeve (47) to pass through.

8. The turbocharger with a clamp assembly structure according to claim 7, characterized in that: The annular locking belt (41) and the bent portions (411) at both ends are an integrated metal belt structure, and the bent portions (411) at both ends are welded or riveted to form a stable assembly structure.

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