CN214366230U - Thermal shield structure of turbocharger - Google Patents

Abstract

The utility model discloses a turbo charger separates heat exchanger structure relates to turbo charger technical field, including separating the heat exchanger body, it is provided with the multiunit drainage tube to separate heat exchanger body one side even fixed, the inside cavity that is provided with of drainage tube, the inside that drainage tube one side was kept away from to the heat exchanger body evenly is provided with the first inlet port of multiunit. The utility model discloses an evenly fixed multiunit drainage tube that is provided with in heat exchanger body one side, blow to heat exchanger body opposite side surface when the high temperature air current, inside the high temperature air current entered into the cavity through the first inlet port of multiunit and second inlet port, the high temperature air current removed the inside end of drainage tube under the effect of external turbine, the one side that is close to external turbine is separated to the heat exchanger body in the toper exhaust hole of current-limiting block inside, the combustion gas can be further provide the effort to the rotation of turbine, and the high temperature air current dispels the heat gradually, great improvement the life who separates the heat exchanger body.

Description

Thermal shield structure of turbocharger

Technical Field

The utility model relates to a turbo charger technical field specifically is a turbo charger separates heat exchanger structure.

Background

The turbocharger is actually an air compressor, the air intake is increased by compressing air, the turbine in a turbine chamber is pushed by the inertia impulse force of exhaust gas exhausted by an engine, the turbine drives a coaxial impeller, the impeller pumps the air sent by an air filter pipeline to pressurize the air to enter the cylinder, when the rotating speed of the engine is increased, the exhaust gas exhausting speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the cylinder, the pressure and the density of the air are increased to combust more fuel, 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 thermal shield of the turbocharger in the prior art mostly blocks the high-temperature airflow, does not play the effect of reasonable drainage to the high-temperature airflow, and blocks the high-temperature airflow for a long time, and the heat of the high-temperature airflow is accumulated on the surface of the thermal shield, so that certain damage can be generated to the thermal shield.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the heat shield in the prior art does not have the effect of playing a reasonable drainage to the high-temperature airflow and blocks the heat shield to the high-temperature airflow for a long time, the heat shield structure of the turbocharger is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a turbo charger separates heat exchanger structure, includes and separates the heat exchanger body, it evenly fixes and is provided with the multiunit drainage tube to separate heat exchanger body one side, the inside of drainage tube one side is kept away from to separate the heat exchanger body evenly is provided with the first inlet port of multiunit, the drainage tube inboard all evenly is provided with the second inlet port that multiunit and first inlet port are linked together, and first inlet port and second inlet port all are linked together with the cavity, the inside end of drainage tube is fixed be provided with cavity matched with current-limiting block, the inside both ends of current-limiting block all are provided with the toper exhaust hole.

Preferably, a central hole is formed in the center of the interior of the heat shield body, and a sealing ring is fixedly arranged on the inner side of the central hole.

Preferably, the middle position department of heat exchanger body one side separates is fixed to be provided with the solid fixed ring of multiunit drainage tube matched with, and solid fixed ring inside all is provided with the block groove with drainage tube matched with.

Preferably, the fixed ring matched with the tail ends of the multiple groups of drainage tubes is fixedly arranged on the outer side of the heat shield body, multiple groups of mounting heads are uniformly arranged on the outer side of the fixed ring, and mounting holes are formed in the mounting heads.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an evenly fixed multiunit drainage tube that is provided with in heat exchanger body one side, blow to heat exchanger body opposite side surface when the high temperature air current, the high temperature air current enters into inside the cavity through the first inlet port of multiunit and second inlet port, the high temperature air current removes the inside end of drainage tube under the effect of external turbine, the toper exhaust hole inside the current-limiting block discharges the one side that is close to external turbine to the heat exchanger body, the combustion gas flow can be further provides the effort to the rotation of turbine, the high temperature air current is at a series of processes of drainage tube, make the high temperature air current reduce the temperature gradually, not only play and further provide the effort to the turbine rotation, and the high temperature air current dispels the heat gradually, effectual heat exchanger body and the external spare part of having protected do not receive the corruption of high temperature air current, great improvement the life of heat exchanger body.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of a first viewing angle of the present invention;

fig. 4 is a schematic structural diagram of a second viewing angle of the present invention.

In the figure: 1. a heat shield body; 2. a drainage tube; 3. a cavity; 4. a first air intake hole; 5. a second air intake hole; 6. a flow limiting block; 7. a conical vent hole; 8. a central bore; 9. a fixing ring; 10. a stationary ring; 11. a mounting head; 12. and (7) installing holes.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a thermal shield structure of a turbocharger includes a thermal shield body 1, a plurality of sets of draft tubes 2 are uniformly and fixedly disposed on one side of the thermal shield body 1, a cavity 3 is disposed inside the draft tube 2, a plurality of sets of first air inlets 4 are uniformly disposed inside one side of the thermal shield body 1 away from the draft tube 2, a plurality of sets of second air inlets 5 communicated with the first air inlets 4 are uniformly disposed on the inner side of the draft tube 2, the first air inlets 4 and the second air inlets 5 are communicated with the cavity 3, a flow limiting block 6 matched with the cavity 3 is fixedly disposed at the end inside the draft tube 2, and conical exhaust holes 7 are disposed at two ends inside the flow limiting block 6.

The utility model discloses evenly fixed multiunit drainage tube 2 that is provided with in 1 one side of heat exchanger body, blow to 1 other side surface of heat exchanger body when the high temperature air current, the high temperature air current enters into inside cavity 3 through the first inlet port 4 of multiunit and second inlet port 5, the high temperature air current removes the terminal inside drainage tube 2 under the effect of external turbine, one side that is close to external turbine at heat exchanger body 1 is discharged to the toper exhaust hole 7 of current-limiting block 6 inside, the combustion gas flow can be further provide the effort to the rotation of turbine, and the high temperature air current cools down that dispels the heat gradually, the surface at heat exchanger body 1 can not piled up to the heat of high temperature air current, effectual heat exchanger body 1 and the external spare part of having protected do not receive the corruption of high temperature air current, great improvement the life of heat exchanger body.

Please refer to fig. 1, fig. 3 and fig. 4, a central hole 8 is disposed at the central position inside the heat shield body 1, and a sealing ring is fixedly disposed at the inner side of the central hole 8, the utility model discloses a set up the central hole 8, facilitate the movable connection with the external central shaft.

Please refer to fig. 1 and fig. 4, the fixing ring 9 matched with the plurality of drainage tubes 2 is fixedly arranged at the middle position of one side of the heat shield body 1, and the fixing ring 9 is internally provided with a clamping groove matched with the drainage tubes 2, the utility model discloses a structure is set up above, plays the fixed supporting role of the plurality of drainage tubes 2.

Please refer to fig. 1, fig. 3 and fig. 4 emphatically, the fixed retainer plate 10 that is provided with the terminal matched with of multiunit drainage tube 2 outside separates heat exchanger body 1, and the retainer plate 10 outside evenly is provided with multiunit installation head 11, and installs the inside mounting hole 12 that all is provided with of head 11, the utility model discloses a structure more than setting up plays the auxiliary stay to drainage tube 2 fixed, makes drainage tube 2 more stable, is provided with installation head 11, easy to assemble the utility model discloses a.

The working principle is as follows: when the heat shield is used, the heat shield body 1 is arranged inside the joint of the volute and the intermediate body, a plurality of groups of drainage tubes 2 are uniformly and fixedly arranged on one side of the heat shield body 1, when high-temperature air flow blows to the surface of the other side of the heat shield body 1, the high-temperature air flow enters the cavity 3 through a plurality of groups of first air inlet holes 4 and second air inlet holes 5, the high-temperature air flow moves to the tail end inside the drainage tubes 2 under the action of an external turbine, the conical exhaust hole 7 inside the flow limiting block 6 is exhausted to one side, close to the external turbine, of the heat shield body 1, the exhausted air flow can further provide acting force for the rotation of the turbine, as the diameter of the conical exhaust hole 7, close to one side of the cavity 3, is larger than that of the side far away from the cavity 3, the conical exhaust hole 7 can perform a one-way exhaust process, and the hole diameter of the conical exhaust hole 7 on one side of the cavity 3 is smaller than the first air inlet holes 4 and the second air inlet holes 5, therefore, it can be known that outside high temperature air current can be preferred to get into inside first inlet port 4 and the 5 second inlet ports, make high temperature air current enter into drainage tube 2's inside, high temperature air current is at a series of processes of drainage tube 2, make high temperature air current reduce the temperature gradually, not only play and further provide the effort to the turbine rotation, and high temperature air current is the cooling of dispelling the heat gradually, the heat of high temperature air current can not pile up on the surface of heat shield body 1, the effectual heat shield body 1 and the outside spare part of having protected do not receive the corruption of high temperature air current, great improvement the life of heat shield body.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. A turbocharger separates heat exchanger structure, includes separating heat exchanger body (1), its characterized in that: the heat shield is characterized in that a plurality of groups of drainage tubes (2) are uniformly and fixedly arranged on one side of the heat shield body (1), a cavity (3) is formed in the drainage tube (2), a plurality of groups of first air inlet holes (4) are uniformly formed in the portion, far away from one side of the drainage tube (2), of the heat shield body (1), a plurality of groups of second air inlet holes (5) communicated with the first air inlet holes (4) are uniformly formed in the inner side of the drainage tube (2), the first air inlet holes (4) and the second air inlet holes (5) are communicated with the cavity (3), a flow limiting block (6) matched with the cavity (3) is fixedly arranged at the inner end of the drainage tube (2), and conical exhaust holes (7) are formed in two ends of the flow limiting block (6).

2. A turbocharger heat shield structure according to claim 1, wherein: a center hole (8) is formed in the center of the interior of the heat shield body (1), and a sealing ring is fixedly arranged on the inner side of the center hole (8).

3. A turbocharger heat shield structure according to claim 1, wherein: the heat shield is characterized in that a fixing ring (9) matched with a plurality of groups of drainage tubes (2) is fixedly arranged at the middle position of one side of the heat shield body (1), and clamping grooves matched with the drainage tubes (2) are formed in the fixing ring (9).

4. A turbocharger heat shield structure according to claim 1, wherein: the heat shield is characterized in that a fixing ring (10) matched with the tail ends of a plurality of groups of drainage tubes (2) is fixedly arranged on the outer side of the heat shield body (1), a plurality of groups of mounting heads (11) are uniformly arranged on the outer side of the fixing ring (10), and mounting holes (12) are formed in the mounting heads (11).

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