CN219691637U

CN219691637U - Rotatable nozzle ring turbocharger

Info

Publication number: CN219691637U
Application number: CN202321149003.2U
Authority: CN
Inventors: 曾加萍
Original assignee: Suzhou Nuoxun Auto Parts Co ltd
Current assignee: Suzhou Nuoxun Auto Parts Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-15
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a rotatable nozzle ring turbocharger, which relates to the field of turbochargers and comprises two mounting plates, wherein the periphery of the upper surface of one mounting plate is fixedly connected with a positioning block, and the periphery of the upper surface of the other mounting plate is provided with a positioning hole. According to the utility model, the circulating port of the nozzle ring can be reduced and regulated by moving the fan-shaped blades, so that the air flow speed and the incident angle of the air entering the impeller are increased, the rotating speed of the impeller is increased, the outlet pressure of the air compressor is increased, and meanwhile, when the rotating speed of the turbocharger is increased, the air flow is increased, the fan-shaped blades are reversely moved, so that the circulating port of the nozzle ring is opened and regulated, the purpose of reducing the outlet pressure of the air compressor is achieved, the use convenience of equipment is improved, the use effect of the equipment is enhanced, the nozzle ring is assisted to be disassembled and assembled through the positioning block and the positioning hole, the integral discarding is avoided when the air flow is increased, and the use cost of the equipment is reduced.

Description

Rotatable nozzle ring turbocharger

Technical Field

The utility model relates to the field of turbochargers, in particular to a rotatable nozzle ring turbocharger.

Background

The turbocharger is actually an air compressor, the air inflow is increased by compressing air, the inertial impulsive force of exhaust gas discharged by the engine is used for pushing a turbine in a turbine chamber, the turbine drives a coaxial impeller, the impeller pumps air sent by an air filter pipeline to be pressurized into a cylinder, when the rotation speed of the engine is increased, the exhaust gas discharge speed and the rotation speed of the turbine are synchronously increased, the impeller compresses more air into the cylinder, the pressure and the density of the air are increased to burn more fuel, the fuel quantity is correspondingly increased, the rotation speed of the engine is adjusted, the output power of the engine is increased, and the engine is required to be adjusted and used by a matched rotatable nozzle ring.

However, the size of the circulation port of the conventional rotatable nozzle ring is of a fixed integrated structure, so that the circulation air flow speed cannot be controlled due to the fact that the circulation air flow speed is not properly regulated according to the opening and closing required, and the use oil consumption of the turbocharger is high.

Thus, the method is applicable to a variety of applications. There is a need for a rotatable nozzle ring turbocharger that addresses the above-described problems.

Disclosure of Invention

The present utility model is directed to a rotatable nozzle ring turbocharger that solves the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatable nozzle ring turbocharger, includes two mounting panels, one of them all fixedly connected with locating piece around the mounting panel upper surface, another the locating hole has all been seted up around the mounting panel upper surface, two corresponding the ring channel has been seted up jointly to the relative one side surface of mounting panel, the inner wall of ring channel is provided with hollow ring piece, the inner wall of hollow ring piece is provided with adjustment mechanism.

Preferably, the adjusting mechanism comprises a nozzle ring, the lower side of the surface of the nozzle ring is fixedly connected with the inner wall of the hollow ring block, arc-shaped curved grooves are formed in the periphery of the upper surface of the nozzle ring, one side of the inner wall of each arc-shaped curved groove is slidably connected with a moving rod, the upper surfaces of the moving rods are fixedly connected with fan-shaped blades, and the surfaces of the fan-shaped blades are subjected to sealing treatment.

Preferably, the two groups of positioning blocks are inserted into the inner walls of the corresponding positioning holes.

Preferably, slots are formed in one side surface of each fan-shaped blade, grooves are formed in one side surface of each fan-shaped blade, two dampers are fixedly connected to one side surface of the inner wall of each groove, return springs are sleeved on the surfaces of the dampers, and inserting blocks are fixedly connected to one side surface of each damper.

Preferably, the upper surfaces of the two groups of fan-shaped blades are provided with strip-shaped through holes, and the inner walls of the two groups of strip-shaped through holes are provided with deflector rods.

Preferably, the lower surfaces of the two groups of the deflector rods are fixedly connected with the upper surfaces of the corresponding plug blocks.

Preferably, thread grooves are formed in the peripheries of the surfaces of the opposite sides of the two corresponding mounting plates.

The beneficial technical effects of the utility model are as follows: through being provided with mounting disc, the locating piece, the locating hole, the ring channel, hollow ring piece, the nozzle ring, curved groove of arc, the carriage release lever, fan-shaped blade, the utility model discloses can make the circulation mouth of nozzle ring reduce regulation through moving fan-shaped blade, thereby increase the air current speed and the incident angle that get into the impeller, the impeller rotational speed has been improved, the outlet pressure of increase compressor, simultaneously can be at the rotational speed of turbo charger risen, when the air current is increased, through reverse moving fan-shaped blade, make the circulation mouth of nozzle ring open the regulation, thereby reach the purpose that reduces compressor outlet pressure, the convenience of use of equipment is improved, the result of use of equipment has been strengthened simultaneously, and through the dismouting of locating piece and locating hole auxiliary nozzle ring, need wholly abandon when avoiding damaging or trouble, the use cost of equipment has been reduced. Through being provided with nozzle ring, fan-shaped blade, slot, recess, attenuator, reset spring, inserted block, bar opening, driving lever, can make reset spring pass through self effort, be connected between the slot of one side propelling movement and assorted with the inserted block to realize having the seal effect to the circulation opening of nozzle ring, strengthened the leakproofness when equipment needs to be closed, and the accessible pulling driving lever makes fan-shaped blade between the corresponding separation, easy operation. Through being provided with the thread groove, the integral erection of equipment of being convenient for provides the normal use function of equipment.

Drawings

Fig. 1 is a schematic perspective view of a nozzle ring of a turbocharger according to the present utility model.

Fig. 2 is an exploded perspective view of a nozzle ring of a turbocharger according to the present utility model.

Fig. 3 is a schematic view of a sectional perspective structure of a fan-shaped vane according to the present utility model.

Fig. 4 is a schematic perspective view of a mounting plate according to the present utility model.

In the figure: the device comprises a mounting disc (1), a positioning block (2), a positioning hole (3), an annular groove (4), a hollow annular block (5), a nozzle ring (6), an arc-shaped curved groove (7), a moving rod (8), fan-shaped blades (9), a slot (10), a groove (11), a damper (12), a return spring (13), an insert block (14), a strip-shaped through hole (15), a deflector rod (16) and a thread groove (17).

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the utility model provides a rotatable nozzle ring turbocharger, which comprises two mounting plates 1, wherein screw grooves 17 are formed in the periphery of the surface of the opposite side of each corresponding mounting plate 1, the screw grooves 17 are formed by cutting a machine, the integral installation of equipment is facilitated, and the normal use function of the equipment is provided.

The periphery of the upper surface of one mounting plate 1 is fixedly connected with a positioning block 2, the positioning block 2 is connected with the mounting plate 1 through welding, the periphery of the upper surface of the other mounting plate 1 is provided with a positioning hole 3, the positioning hole 3 is formed by machine drilling, the opposite side surfaces of the two corresponding mounting plates 1 are jointly provided with an annular groove 4, the annular groove 4 is formed by machine cutting, the inner wall of the annular groove 4 is provided with a hollow ring block 5, the two groups of positioning blocks 2 are spliced with the inner wall of the corresponding positioning hole 3, the positioning blocks 2 can be connected with the positioning block 2 through the positioning hole 3, the disassembly and the assembly of the auxiliary nozzle ring 6 are convenient for a user to maintain and overhaul internal parts, the integral discarding is needed when the damage or the fault is avoided, and the use cost of equipment is reduced;

in order to improve the use convenience of equipment, the inner wall of hollow ring piece 5 is provided with adjustment mechanism, adjustment mechanism includes nozzle ring 6, the downside on nozzle ring 6 surface and the inner wall fixed connection of hollow ring piece 5, arc curved groove 7 has all been seted up around the nozzle ring 6 upper surface, arc curved groove 7 is the machine cutting and forms, the equal sliding connection of one side of two sets of arc curved groove 7 inner walls has movable rod 8, the equal fixedly connected with fan-shaped blade 9 of upper surface of two sets of movable rod 8, the surface of two sets of fan-shaped blade 9 all is through sealed processing, the utility model discloses can reduce the regulation through moving fan-shaped blade 9, make the circulation mouth of nozzle ring 6, thereby increase the air current velocity and the incident angle that get into the impeller, improved the impeller rotational speed, the exit pressure of increase compressor, can rise at the rotational speed of turbo charger simultaneously, when the air current increases, through reverse moving fan-shaped blade 9, make the circulation mouth of nozzle ring 6 open the regulation, thereby reach the purpose that reduces the exit pressure of compressor, the use convenience of equipment has been strengthened simultaneously.

As shown in fig. 2 and fig. 3, slots 10 are formed in a way that one side surfaces of two groups of fan-shaped blades 9 are cut by a machine, grooves 11 are formed in a way that one side surfaces of two groups of fan-shaped blades 9 are cut by a machine, two dampers 12 are fixedly connected to one side surfaces of inner walls of the two groups of grooves 11, return springs 13 are sleeved on surfaces of four groups of dampers 12, the return springs 13 are made of stainless steel materials, inserting blocks 14 are fixedly connected to one side surfaces of the four groups of dampers 12 together, strip-shaped through holes 15 are formed in a way that the strip-shaped through holes 15 are punched by a die, deflector rods 16 are arranged on inner walls of the two groups of strip-shaped through holes 15, lower surfaces of the two groups of deflector rods 16 are fixedly connected with the upper surfaces of corresponding inserting blocks 14, the inserting blocks 14 are connected with the deflector rods 16 through welding, the return springs 13 can push the inserting blocks 14 to one side through self acting force to be connected with the matched slots 10, accordingly, circulation ports of the nozzle 6 are sealed, sealing performance of the device is enhanced, and the fan-shaped blades 9 can be separated through the corresponding deflector rods 16 when the device is required to be closed, and the fan-shaped blades are separated.

Working principle: the hollow ring block 5 is placed in the annular groove 4 by a user, the hollow ring block 5 can rotate the nozzle ring 6 through the annular groove 4 for use through connection and installation between the positioning block 2 and the positioning hole 3, the whole device is installed and fixed through the thread groove 17, the circulation port of the nozzle ring 6 is reduced and adjusted through moving the fan-shaped blades 9, so that the air flow speed and the incidence angle entering the impeller are increased, the rotation speed of the impeller is increased, the outlet pressure of the air compressor is increased, and the plug block 14 is pushed to one side through self acting force of the reset spring 13 to be connected with the matched slot 10, so that the circulation port of the nozzle ring 6 is closed;

when the size of the circulation port of the nozzle ring 6 needs to be increased, the deflector rod 16 is pulled to reversely move the fan-shaped blades 9 to separate the fan-shaped blades from each other, so that the circulation port of the nozzle ring 6 is opened and adjusted, the purpose of reducing the outlet pressure of the air compressor is achieved, the deflector rod 16 is limited through the strip-shaped through port 15, and the movement of the fan-shaped blades 9 is guided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A rotatable nozzle ring turbocharger comprising two mounting plates (1), characterized in that: one of them all fixedly connected with locating piece (2) around the mounting disc (1) upper surface, another all offered locating hole (3) around the mounting disc (1) upper surface, two corresponding ring channel (4) have been offered jointly to one side surface that mounting disc (1) is relative, the inner wall of ring channel (4) is provided with hollow ring piece (5), the inner wall of hollow ring piece (5) is provided with adjustment mechanism.

2. The rotatable nozzle ring turbocharger of claim 1, wherein: the adjusting mechanism comprises a nozzle ring (6), wherein the lower side of the surface of the nozzle ring (6) is fixedly connected with the inner wall of a hollow ring block (5), arc-shaped bent grooves (7) are formed in the periphery of the upper surface of the nozzle ring (6), one side of the inner wall of each arc-shaped bent groove (7) is slidably connected with a moving rod (8), the upper surface of each moving rod (8) is fixedly connected with a fan-shaped blade (9), and the surfaces of the fan-shaped blades (9) are subjected to sealing treatment.

3. The rotatable nozzle ring turbocharger of claim 1, wherein: the two groups of positioning blocks (2) are spliced with the inner walls of the corresponding positioning holes (3).

4. The rotatable nozzle ring turbocharger of claim 2, wherein: two sets of slot (10) have all been seted up to one side surface of fan-shaped blade (9), and two sets of slot (11) have all been seted up to one side surface of fan-shaped blade (9), two sets of one side surface of recess (11) inner wall is two dampers (12) of all fixedly connected with, four sets of the surface of damper (12) is all overlapped and is equipped with reset spring (13), four sets of one side surface of damper (12) is all fixedly connected with inserts (14) jointly.

5. The rotatable nozzle ring turbocharger of claim 4, wherein: the upper surfaces of the two groups of fan-shaped blades (9) are provided with strip-shaped through holes (15), and the inner walls of the two groups of strip-shaped through holes (15) are provided with deflector rods (16).

6. The rotatable nozzle ring turbocharger of claim 5, wherein: the lower surfaces of the two groups of deflector rods (16) are fixedly connected with the upper surfaces of the corresponding plug blocks (14).

7. The rotatable nozzle ring turbocharger of claim 1, wherein: screw grooves (17) are formed in the peripheries of the surfaces of the opposite sides of the two corresponding mounting plates (1).