CN213064052U

CN213064052U - Impeller structure for turbocharger

Info

Publication number: CN213064052U
Application number: CN202022066388.9U
Authority: CN
Inventors: 袁建利
Original assignee: Wuxi Chiying Power Machinery Technology Co ltd
Current assignee: Wuxi Chiying Power Machinery Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-27
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses an impeller structure for turbocharger, including center pin, fixed knot structure and protective structure, fixed knot constructs including first mounting panel, first mounting panel rigid coupling in center pin one end, first mounting panel surface sliding connection has the second mounting panel, second mounting panel one side is equipped with fixation nut, fixation nut threaded connection is on the center pin surface, second mounting panel one side is equipped with impeller blade, impeller blade sliding connection is on the center pin surface. The utility model discloses compact structure, easy operation can fix a position impeller blade through limiting plate, first reference column and second reference column, and the dismouting of the impeller of being convenient for can change the impeller blade of damage alone when impeller blade damages, reduces the cost of maintenance, can protect impeller blade through protection screen panel isotructure, prevents to get into the foreign matter between the impeller blade and damage, prevents to influence the use of impeller.

Description

Impeller structure for turbocharger

Technical Field

The utility model relates to an impeller structure specifically is an impeller structure for turbo charger.

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 impeller structure of present turbo charger is mostly integrated structure, need change whole impeller after the blade of impeller damages, and cost of maintenance is higher, and the maintenance procedure is comparatively troublesome. Therefore, an impeller structure for a turbocharger is proposed to address the above problems.

Disclosure of Invention

An impeller structure for a turbocharger comprises a central shaft, a fixing structure and a protection structure;

the fixing structure comprises a first mounting plate, the first mounting plate is fixedly connected to one end of a central shaft, a second mounting plate is connected to the surface of the first mounting plate in a sliding mode, a fixing nut is arranged on one side of the second mounting plate, the fixing nut is connected to the surface of the central shaft in a threaded mode, an impeller blade is arranged on one side of the second mounting plate, the impeller blade is connected to the surface of the central shaft in a sliding mode, a limiting plate is fixedly connected to the bottom of the impeller blade, the limiting plate is connected with the central shaft in a sliding mode, one side of the impeller blade is fixedly connected with a first positioning;

the protective structure comprises a protective scraper, the protective scraper is fixedly connected to one side of a first mounting plate, one side of the first mounting plate is fixedly connected with a connecting shaft, one side of the connecting shaft is provided with a fixed plate, the fixed plate is fixedly connected to one end of a central shaft, one side of the fixed plate is fixedly connected with a spring, and the surface of the fixed plate is rotatably connected with a protective net cover.

Further, one side rigid coupling that the limiting plate is close to first mounting panel has two symmetric distribution's first locating column, a plurality of locating hole that is the ring array and distributes is seted up to first mounting panel, first mounting panel passes through locating hole sliding connection with first locating column.

Furthermore, a second positioning column is arranged on one side, close to the second mounting plate, of the limiting plate, mounting holes are formed in the second mounting plate, the mounting holes are distributed in an annular array mode, and the second mounting plate is connected with the second positioning column in a sliding mode through the mounting holes.

Furthermore, the surface of the central shaft is connected with a plurality of impeller blades distributed in an annular array in a sliding mode.

Further, impeller blade bottom rigid coupling has two symmetric distribution's limiting plate, a plurality of spacing groove has been seted up on the center pin surface, limiting groove bottom sliding connection limiting plate.

Furthermore, a plurality of protective scrapers distributed in an annular array are fixedly connected to one side, far away from the central shaft, of the first mounting plate.

Furthermore, a rotating opening is formed in one end of the protective net cover, one end of the connecting shaft penetrates through the rotating opening and extends to the outer side of the protective net cover, and the protective net cover is connected with the connecting shaft in a rotating mode.

The utility model has the advantages that: the utility model provides an impeller structure for turbo charger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall three-dimensional structure of an embodiment of the present invention;

fig. 2 is a schematic view of the overall internal structure of an embodiment of the present invention;

fig. 3 is a schematic overall side view of an embodiment of the present invention;

fig. 4 is a schematic view of an overall internal side view structure according to an embodiment of the present invention;

fig. 5 is a schematic view of a part a of the enlarged structure in fig. 2 according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a partially enlarged structure at a position B in fig. 3 according to an embodiment of the present invention.

In the figure: 1. the center pin, 2, first mounting panel, 3, second mounting panel, 4, fixation nut, 5, impeller blade, 6, limiting plate, 7, first reference column, 8, second reference column, 9, protection scraper blade, 10, connecting axle, 11, fixed plate, 12, spring, 13, protection screen panel.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-6, an impeller structure for a turbocharger includes a central shaft 1, a fixing structure and a protection structure;

the fixing structure comprises a first mounting plate 2, the first mounting plate 2 is fixedly connected to one end of a central shaft 1, a second mounting plate 3 is connected to the surface of the first mounting plate 2 in a sliding mode, a fixing nut 4 is arranged on one side of the second mounting plate 3, the fixing nut 4 is in threaded connection with the surface of the central shaft 1, an impeller blade 5 is arranged on one side of the second mounting plate 3, the impeller blade 5 is in sliding connection with the surface of the central shaft 1, a limiting plate 6 is fixedly connected to the bottom of the impeller blade 5, the limiting plate 6 is in sliding connection with the central shaft 1, a first positioning column 7 is fixedly connected to one side of the impeller blade 5, and a second positioning column 8;

the protective structure comprises a protective scraper 9, wherein the protective scraper 9 is fixedly connected to one side of a first mounting plate 2, one side of the first mounting plate 2 is fixedly connected with a connecting shaft 10, one side of the connecting shaft 10 is provided with a fixing plate 11, the fixing plate 11 is fixedly connected to one end of a central shaft 1, one side of the fixing plate 11 is fixedly connected with a spring 12, and the surface of the fixing plate 11 is rotatably connected with a protective net cover 13.

Two first positioning columns 7 which are symmetrically distributed are fixedly connected to one side, close to the first mounting plate 2, of the limiting plate 6, a plurality of positioning holes which are distributed in an annular array are formed in the first mounting plate 2, and the first mounting plate 2 is connected with the first positioning columns 7 in a sliding mode through the positioning holes; a second positioning column 8 is arranged on one side, close to the second mounting plate 3, of the limiting plate 6, a plurality of mounting holes distributed in an annular array are formed in the second mounting plate 3, and the second mounting plate 3 is connected with the second positioning column 8 in a sliding mode through the mounting holes; the surface of the central shaft 1 is connected with a plurality of impeller blades 5 distributed in an annular array in a sliding way; the bottom of the impeller blade 5 is fixedly connected with two limiting plates 6 which are symmetrically distributed, the surface of the central shaft 1 is provided with a plurality of limiting grooves, and the bottoms of the limiting grooves are connected with the limiting plates 6 in a sliding manner; a plurality of protective scrapers 9 distributed in an annular array are fixedly connected to one side of the first mounting plate 2, which is far away from the central shaft 1; the rotation mouth has been seted up to protection screen panel 13 one end, connecting axle 10 one end runs through the rotation mouth and extends to the protection screen panel 13 outside, protection screen panel 13 rotates with connecting axle 10 and is connected.

When the utility model is used, firstly, the limiting plate 6 at the bottom of the impeller blade 5 is put into the limiting groove, then the impeller blade 5 is slid, the limiting plate 6 slides in the limiting groove, the first positioning post 7 slides into the positioning hole arranged on the first mounting plate 2, then the second mounting plate 3 slides, the second mounting plate 3 moves towards the impeller blade 5 along the central shaft 1, and the second positioning post 8 slides into the mounting hole arranged on the second mounting plate 3, the mounting position of the impeller blade 5 is prevented from being deviated, the rotation of the impeller is prevented from being influenced, then the fixing nut 4 is rotated, thereby the position of the second mounting plate 3 is limited by the fixing nut 4, thereby the position of the impeller blade 5 is limited by the first mounting plate 2 and the second mounting plate 3, thereby the impeller blade 5 is installed at the correct position, the installation of the impeller blade 5 is convenient, and when the impeller blade 5 is damaged, can change solitary impeller blade 5 alone through opposite mode, improve the work efficiency of maintenance, reduce cost of maintenance, when fixing nut 4 injects the position of second mounting panel 3, spring 12 can carry out auxiliary stay to fixing nut 4, make the position of second mounting panel 3 more stable, then can prevent through protection scraper blade 9 that first mounting panel 2 and protective screen cover 13 are interior to accumulate the foreign matter, prevent to influence the commentaries on classics of first mounting panel 2, thereby avoid influencing the operation of impeller, can prevent through protective screen cover 13 that great foreign matter from getting into between impeller blade 5, prevent damaging impeller blade 5, thereby prevent damaging the impeller, the use of the impeller of being convenient for.

The utility model discloses an useful part lies in:

1. the utility model discloses simple structure can fix a position impeller blade through limiting plate, first reference column and second reference column, is convenient for install impeller blade on the center pin, and the dismouting of impeller of being convenient for can change the impeller blade that damages alone when impeller blade damages, simplifies the operating procedure, reduces the cost of maintenance;

2. the utility model discloses it is rational in infrastructure, can protect impeller blade through protection screen panel isotructure, prevent to get into the foreign matter between the impeller blade and damage, prevent to damage the impeller, can prevent through the protection scraper blade that accumulation debris between first mounting panel and the protection screen panel prevent to influence the rotation of center pin, prevent to influence the use of impeller.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. The utility model provides an impeller structure for turbo charger which characterized in that: comprises a central shaft (1), a fixed structure and a protective structure;

the fixed structure comprises a first mounting plate (2), the first mounting plate (2) is fixedly connected to one end of a central shaft (1), the surface of the first mounting plate (2) is slidably connected with a second mounting plate (3), one side of the second mounting plate (3) is provided with a fixing nut (4), the fixing nut (4) is in threaded connection with the surface of the central shaft (1), one side of the second mounting plate (3) is provided with an impeller blade (5), the impeller blade (5) is slidably connected to the surface of the central shaft (1), the bottom of the impeller blade (5) is fixedly connected with a limiting plate (6), the limiting plate (6) is slidably connected with the central shaft (1), one side of the impeller blade (5) is fixedly connected with a first positioning column (7), and the other side of the impeller blade (5) is fixedly connected with a second positioning;

protective structure includes protection scraper blade (9), protection scraper blade (9) rigid coupling is in first mounting panel (2) one side, first mounting panel (2) one side rigid coupling connecting axle (10), connecting axle (10) one side is equipped with fixed plate (11), fixed plate (11) rigid coupling is in center pin (1) one end, fixed plate (11) one side rigid coupling spring (12), fixed plate (11) surface is rotated and is connected protection screen panel (13).

2. The impeller structure for a turbocharger according to claim 1, wherein: limiting plate (6) are close to one side rigid coupling of first mounting panel (2) and have first locating column (7) of two symmetric distributions, a plurality of locating hole that is the annular array and distributes is seted up in first mounting panel (2), first mounting panel (2) pass through locating hole sliding connection with first locating column (7).

3. The impeller structure for a turbocharger according to claim 1, wherein: one side that limiting plate (6) is close to second mounting panel (3) has seted up a second reference column (8), the equal annular array distribution's of a plurality of mounting hole has been seted up in second mounting panel (3), second mounting panel (3) pass through mounting hole sliding connection with second reference column (8).

4. The impeller structure for a turbocharger according to claim 1, wherein: the surface of the central shaft (1) is connected with a plurality of impeller blades (5) which are distributed in an annular array in a sliding mode.

5. The impeller structure for a turbocharger according to claim 1, wherein: impeller blade (5) bottom rigid coupling has two symmetric distribution's limiting plate (6), a plurality of spacing groove has been seted up on center pin (1) surface, limiting groove bottom sliding connection limiting plate (6).

6. The impeller structure for a turbocharger according to claim 1, wherein: one side rigid coupling that center pin (1) was kept away from in first mounting panel (2) has a plurality of to be the protection scraper blade (9) of annular array distribution.

7. The impeller structure for a turbocharger according to claim 1, wherein: the rotary opening is formed in one end of the protective net cover (13), one end of the connecting shaft (10) penetrates through the rotary opening and extends to the outer side of the protective net cover (13), and the protective net cover (13) is rotatably connected with the connecting shaft (10).