CN219529139U

CN219529139U - Turbocharger with variable flow passage volute double-valve joint adjustment

Info

Publication number: CN219529139U
Application number: CN202320938306.6U
Authority: CN
Inventors: 都盈
Original assignee: Wuxi Liangtong Metal Technology Co ltd
Current assignee: Wuxi Liangtong Metal Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-08-15
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a turbocharger with variable flow passage and volute double valves in joint adjustment, which comprises: the spiral case, the flow channel, the quantity of flow channel is two and sets up the inside at the spiral case respectively, drive adjustment mechanism sets up on the spiral case, drive adjustment mechanism includes fixed shell and regulating spindle, the quantity of fixed shell is two and sets up respectively at the top and the bottom of spiral case, the quantity of regulating spindle is two and swing joint respectively in the bearing of flow channel inner wall, the surface mounting of regulating spindle has the valve block with flow channel looks adaptation. According to the utility model, through the mutual matching of the fixed shell, the adjusting shaft, the valve plate, the executing motor, the rotating block, the positioning shell and the mounting block, the independent opening or the two complete opening of the flow passage are facilitated, the flow passage is conveniently changed, thus the waste gas circulation work of different flow rates can be satisfied, and the applicability is improved.

Description

Turbocharger with variable flow passage volute double-valve joint adjustment

Technical Field

The utility model relates to the technical field of turbochargers, in particular to a variable flow path volute double-valve joint adjustment turbocharger.

Background

The turbocharger is actually an air compressor, the air density is increased by compressing air, so as to achieve the purpose of increasing the air inflow, the turbine in the volute is pushed by utilizing the kinetic energy of the exhaust gas discharged by the engine, the turbine drives a coaxial impeller, the impeller presses and pumps the air sent by an air filter pipeline, so that the air enters the engine after being pressurized, more exhaust gas is generated when the rotating speed of the engine is higher, and a larger section is needed by a runner of the volute to ensure the smooth discharge of the exhaust gas; when the rotating speed of the engine is lower, the generated waste gas is reduced, at the moment, the volute runner needs a smaller section to apply work by using the waste gas, the rotating speed of the engine is different, the requirement on the air inlet flow of the volute runner is different, the power output of the engine can be directly influenced by the adapting degree of the air inlet flow and the section of the volute runner, and if the design of the section of the volute runner is too small to adapt to the low rotating speed, the high-speed performance can be influenced by the improvement of the low-speed performance; conversely, in order to adapt to high rotation speed, the design of the flow passage section of the volute is overlarge, so that the improvement of high-speed performance can influence low-speed performance, influence the power output of an engine and increase oil consumption.

According to the application number: the utility model discloses a CN202220802345.9, which discloses a variable flow passage volute double-valve joint debugging turbocharger, comprising a volute connected with a compressor shell, wherein an A flow passage and a B flow passage are arranged in the volute, the volute is provided with a double-valve structure, the double-valve structure comprises a flow adjusting valve and a bypass overflow valve, and a flow adjusting valve is arranged between the A flow passage and the B flow passage; a flow passage or B flow passage is provided with a bypass overflow valve independently, or the A flow passage and the B flow passage use a bypass overflow valve together, and the volute is provided with a joint adjustment device for adjusting the opening degrees of the flow adjustment valve and the bypass overflow valve. On one hand, partial waste gas discharged by the engine enters the flow passage B from the flow passage A to participate in acting, so that larger circulation capacity and acting capacity are obtained, on the other hand, when the air inlet pressure of the engine exceeds a set value, the bypass overflow valve is opened, partial waste gas which does not participate in acting is directly discharged, the normal operation of the engine and the turbocharger is fully protected, the fuel economy is improved, and the method is suitable for the technical field of internal combustion engine accessories; according to the turbocharger, the turbocharger can be changed according to the flow through the two actuating mechanisms, so that the application range of the turbocharger is increased, but the actuating mechanisms are inconvenient to disassemble and overhaul, so that the service life of the turbocharger is influenced, and the flexibility in use is reduced.

Disclosure of Invention

The utility model aims to provide a turbocharger with variable flow passage and volute double valves in a joint adjustment mode, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a variable flow path volute twin valve co-regulated turbocharger comprising:

a volute;

the number of the flow channels is two, and the flow channels are respectively arranged in the volute;

the driving adjusting mechanism is arranged on the volute, the driving adjusting mechanism comprises two fixed shells and adjusting shafts, the fixed shells are respectively arranged at the top and the bottom of the volute, the adjusting shafts are respectively movably connected in bearings on the inner wall of the flow channel, valve plates matched with the flow channel are arranged on the surfaces of the adjusting shafts, one end, close to the fixed shells, of each adjusting shaft sequentially penetrates through the flow channel and the fixed shells and extends to the inside of the fixed shells, an executing motor is arranged on the inner wall of the fixed shells, and a rotating block is arranged on an output shaft of the executing motor;

the limiting and fixing mechanism is arranged on the driving and adjusting mechanism.

Preferably, the locating shell is installed to one side that the rotatory piece is close to the regulating spindle, the installation piece is installed to the position that the regulating spindle is close to the locating shell, one side that the installation piece is close to the locating shell runs through the locating shell and extends to its inside and the inner wall mutual contact of locating shell, the shape of locating shell and installation piece is square.

Preferably, the limiting and fixing mechanism comprises fixing blocks, the fixing blocks are four in number and are respectively arranged on the left side and the right side of the fixing shell, a slot is formed in one side, close to the volute, of the fixing block, an inserting block is arranged on the surface of the volute and corresponds to the position of the slot, and one side, close to the slot, of the inserting block penetrates through the slot and extends to the inner wall of the inserting block to be in contact with the inner wall of the slot.

Preferably, the fixed slot has been seted up to the inside of fixed block, the left and right sides of fixed slot inner wall is through dead lever fixed connection, the surface sliding connection of dead lever has the movable plate, the stopper is installed to the movable plate one side that is close to the inserted block, the spacing groove has been seted up to the one side that the inserted block is close to the stopper.

Preferably, a push block is mounted on the moving plate, and one side of the push block away from the moving plate penetrates through the fixed groove and extends to the outside of the fixed groove.

Preferably, the surface of the fixing rod is sleeved with an elastic piece, and the elastic piece is made of a spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the mutual matching of the fixed shell, the adjusting shaft, the valve plate, the executing motor, the rotating block, the positioning shell and the mounting block, the independent opening or the two complete opening of the flow passage are facilitated, the flow passage is conveniently changed, thus the waste gas circulation work of different flow rates can be satisfied, and the applicability is improved.

2. According to the utility model, the fixed block, the slot, the insert block, the fixed slot, the fixed rod, the movable plate, the limiting block, the limiting slot, the push block and the elastic piece are matched with each other, so that the fixed shell and the volute can be conveniently detached, the structure inside the fixed shell can be conveniently maintained and overhauled, and the flexibility in use is improved.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic perspective view of the scroll casing, drive adjustment mechanism and limit fixing mechanism of the present utility model;

FIG. 3 is a schematic diagram of the elevation view of the volute, drive adjustment mechanism and limit fixing mechanism of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 3 a in accordance with the present utility model.

In the figure: the spiral case, the 11 flow channels, the 2 driving adjusting mechanism, the 21 fixing shell, the 22 adjusting shaft, the 24 valve plate, the 25 executing motor, the 26 rotating block, the 27 positioning shell, the 28 installing block, the 3 limiting fixing mechanism, the 31 fixing block, the 32 inserting slot, the 33 inserting block, the 34 fixing slot, the 35 fixing rod, the 36 moving plate, the 37 limiting block, the 38 limiting slot, the 39 pushing block and the 310 elastic piece.

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.

Referring to fig. 1-4, a variable flow path volute twin valve modulation turbocharger comprising: the spiral case 1 and the flow channels 11, the quantity of the flow channels 11 is two and set up in the inside of spiral case 1 respectively, the shape of flow channels 11 is cylindrical.

The driving adjusting mechanism 2, the driving adjusting mechanism 2 sets up on spiral case 1, the driving adjusting mechanism 2 includes fixed shell 21 and regulating spindle 22, the quantity of fixed shell 21 is two and sets up respectively at spiral case 1's top and bottom, one side that fixed shell 21 is close to spiral case 1 and spiral case 1 contact each other, the quantity of regulating spindle 22 is two and respectively swing joint in the bearing of flow channel 11 inner wall, the fixed surface of regulating spindle 22 is connected with the valve block 24 with flow channel 11 looks adaptation, the surface of valve block 24 and the inner wall rotation contact of flow channel 11, the one end that regulating spindle 22 is close to fixed shell 21 is in proper order through flow channel 11 and fixed shell 21 and extends to the inside of fixed shell 21, fixedly connected with actuating motor 25 on the inner wall of fixed shell 21, fixedly connected with rotary block 26 on the output shaft of actuating motor 25, one side that rotary block 26 is close to regulating spindle 22 is fixedly connected with positioning shell 27, the position fixedly connected with installation piece 28 of regulating spindle 22 is close to positioning shell 27, one side that installation piece 28 is close to positioning shell 27 runs through positioning shell 27 and extends to its inside and contacts each other with positioning shell 27's inner wall, positioning shell 27 and installation piece 28 and sealing pad are located on the surface of sealing pad 1 and the surface of regulating spindle is located on the surface of sealing pad and the surface of the regulating spindle 22.

Through the mutually supporting of fixed shell 21, regulating spindle 22, valve block 24, execution motor 25, rotatory piece 26, positioning shell 27 and installation piece 28 to make things convenient for convection current passageway 11 to open alone or two all open, make things convenient for changing flow passageway 11, thereby can satisfy the waste gas circulation work of different flow, improved the suitability.

The limiting and fixing mechanism 3 is arranged on the driving and adjusting mechanism 2, the limiting and fixing mechanism 3 comprises fixing blocks 31, the number of the fixing blocks 31 is four and are respectively arranged on the left side and the right side of the fixing shell 21, one side, close to the volute 1, of the fixing blocks 31 is mutually contacted with the volute 1, a slot 32 is formed in one side, close to the volute 1, of the fixing blocks 31, a plug block 33 is fixedly connected to the surface of the volute 1 and corresponds to the position of the slot 32, one side, close to the slot 32, of the plug block 33 penetrates through the slot 32 and extends to the inside of the slot 32 to be mutually contacted with the inner wall of the slot 32, a fixing groove 34 is formed in the inside of the fixing block 31, the left side and the right side of the inner wall of the fixing groove 34 are fixedly connected through a fixing rod 35, the surface of the fixing rod 35 is slidably connected with a movable plate 36, one side, close to the movable plate 36, close to the plug block 33, is fixedly connected with a limiting block 37, one side, close to the limiting block 33, is formed with a limiting groove 38, one side, close to the limiting groove 37 sequentially penetrates through the fixing groove 34, the slot 32 and extends to the inside of the limiting groove 38 to be mutually contacted with the inner wall of the limiting groove 38, the inner wall of the limiting groove 36, a push block 39 is fixedly connected to the inner wall of the fixing groove 34, the fixing groove through the fixing groove, the inner wall is fixedly connected to the inner wall of the fixing groove through the fixing groove, the fixing groove through the elastic piece 39, the elastic piece is sleeved with the elastic piece 310, and the elastic piece 310 is sleeved on the elastic piece 310.

Specifically, when the fixed casing 21 and the spiral case 1 need to be detached, the push block 39 is pushed, the push block 39 drives the movable plate 36 to move close to the fixed casing 21, the movable plate 36 extrudes the elastic piece 310 to move, the movable plate 36 drives the limiting block 37 to move away from the limiting groove 38, the limiting block 37 and the limiting groove 38 are separated, then the fixed casing 21 is made to move away from the spiral case 1, the fixed block 31 drives the slot 32 and the insert block 33 to be separated, and meanwhile, the positioning casing 27 and the mounting block 28 are made to be separated, so that the disassembly can be completed.

Through the mutually supporting of fixed block 31, slot 32, inserted block 33, fixed slot 34, dead lever 35, movable plate 36, stopper 37, spacing groove 38, push block 39 and elastic component 310 to conveniently tear fixed shell 21 and spiral case 1 apart, conveniently maintain and overhaul the inside structure of fixed shell 21, improved the flexibility when using.

When the engine is used, the two flow channels 11 are in an open state, the engine speed is high, when the engine speed is low and waste gas participating in acting is less, one flow channel 11 can be closed, the execution motor 25 drives the rotating block 26 and the positioning shell 27 to rotate, and the positioning shell 27 drives the mounting block 28, the adjusting shaft 22 and the valve plate 24 to rotate for 90 degrees, so that one flow channel 11 can be closed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A variable flow path volute twin valve co-regulated turbocharger comprising:

a volute (1);

the number of the flow channels (11) is two, and the flow channels (11) are respectively arranged in the volute (1);

the device comprises a driving adjusting mechanism (2), wherein the driving adjusting mechanism (2) is arranged on a volute (1), the driving adjusting mechanism (2) comprises a fixing shell (21) and an adjusting shaft (22), the number of the fixing shells (21) is two, the fixing shells are respectively arranged at the top and the bottom of the volute (1), the adjusting shaft (22) is two and respectively movably connected in a bearing on the inner wall of a flow channel (11), a valve plate (24) matched with the flow channel (11) is arranged on the surface of the adjusting shaft (22), one end, close to the fixing shell (21), of the adjusting shaft (22) sequentially penetrates through the flow channel (11) and the fixing shell (21) and extends to the inside of the fixing shell (21), an executing motor (25) is arranged on the inner wall of the fixing shell (21), and a rotating block (26) is arranged on an output shaft of the executing motor (25).

The limiting and fixing mechanism (3), and the limiting and fixing mechanism (3) is arranged on the driving and adjusting mechanism (2).

2. A variable flow path volute twin valve train turbocharger according to claim 1, wherein: the locating shell (27) is installed on one side of the rotating block (26) close to the adjusting shaft (22), the installation block (28) is installed on the position of the adjusting shaft (22) close to the locating shell (27), one side of the installation block (28) close to the locating shell (27) penetrates through the locating shell (27) and extends to the inner wall of the locating shell (27) to be in contact with the inner wall of the locating shell (27), and the shapes of the locating shell (27) and the installation block (28) are square.

3. A variable flow path volute twin valve train turbocharger according to claim 2, wherein: spacing fixed establishment (3) are including fixed block (31), the quantity of fixed block (31) is four and installs respectively in the left and right sides of fixed shell (21), slot (32) have been seted up to one side that fixed block (31) are close to spiral case (1), insert block (33) are installed in the surface of spiral case (1) and the position that corresponds slot (32), insert block (33) are close to one side of slot (32) and run through slot (32) and extend to its inside and the inner wall mutual contact of slot (32).

4. A variable flow path volute twin valve train turbocharger according to claim 3, wherein: the fixed slot (34) has been seted up to the inside of fixed block (31), the left and right sides of fixed slot (34) inner wall is through dead lever (35) fixed connection, the surface sliding connection of dead lever (35) has movable plate (36), stopper (37) are installed to one side that movable plate (36) is close to insert block (33), spacing groove (38) have been seted up to one side that insert block (33) is close to stopper (37).

5. A variable flow path volute twin valve train turbocharger according to claim 4, wherein: the movable plate (36) is provided with a push block (39), and one side of the push block (39) away from the movable plate (36) penetrates through the fixed groove (34) and extends to the outside of the fixed groove.

6. A variable flow path volute twin valve train turbocharger according to claim 5, wherein: the surface of the fixed rod (35) is sleeved with an elastic piece (310), and the elastic piece (310) is made of a spring.