CN215256333U

CN215256333U - Composite nozzle of variable-section turbocharger

Info

Publication number: CN215256333U
Application number: CN202121661706.4U
Authority: CN
Inventors: 王国龙
Original assignee: Wuxi Speed Turbine Technology Co ltd
Current assignee: Wuxi Subid Automotive New Energy Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-21
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a composite nozzle of a variable-section turbocharger, which comprises a base, a working disc and a top ring, the base comprises a ring plate and limiting strips, the limiting strips are symmetrically arranged on the upper end surface of the ring plate, the limiting strip and the ring plate are integrally formed, the working disc is arranged at the upper end of the ring plate and is fixedly connected with the ring plate, the top ring is arranged at the upper end of the working disc, the top ring is fixedly connected with the limit strip, so that the ring plate can be stably matched and connected with the outside through the connecting lugs when a user needs to use the device, then the user can stably install the working disk at the upper end of the ring plate to ensure that the two ends of the working disk are clamped and fixed through the strip-shaped block, therefore, the condition that the annular plate and the working disc rotate relatively in the using process of the equipment can be avoided, and the swinging blade can flexibly swing on the annular disc.

Description

Composite nozzle of variable-section turbocharger

Technical Field

The utility model relates to a turbo charger nozzle instrument technical field, concretely relates to variable cross section turbo charger's compound nozzle.

Background

The turbocharger utilizes the exhaust gas discharged by the engine to flow into a turbine shell of the turbocharger according to a certain route so as to drive a turbine and drive a compressor impeller coaxial with the turbine to rotate at a high speed, and fresh air is compressed to enter a cylinder of the engine under the action of centrifugal force of the compressor impeller.

Chinese patent with patent number CN213540505U discloses turbocharger's variable nozzle mechanism, including mounting disc, first blade and second blade, the first installation piece of one side fixedly connected with of first blade, one side fixedly connected with second installation piece of second blade, the mounting groove has been seted up to the inside of second installation piece, one side fixedly connected with installation spring of mounting groove inner wall, the other end fixedly connected with arc fixture block of installation spring, the draw-in groove that uses with the cooperation of arc fixture block is seted up to the inside of first installation piece, the inside of first blade and second blade all is provided with T shape installation pole.

But the nozzle that above-mentioned turbo charger used simple structure can only be simple in the in-service use installs the use with fixed mode, inconvenient user's nimble dismouting and change use when the damage appears like this, and the nozzle that traditional turbo charger used rotates the adjustment in-process in the use simultaneously and is not stable enough, does not have corresponding protection machanism, the long-time operation of equipment of being not convenient for.

SUMMERY OF THE UTILITY MODEL

To solve the above problems, an object of the present invention is to provide a composite nozzle for a variable geometry turbocharger, which can solve the above problems.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a variable cross section turbo charger's compound nozzle, includes base, working disc and apical ring, the base includes crown plate and spacing, spacing symmetry sets up the up end at the crown plate, and spacing and crown plate integrated into one piece, the working disc is installed in the upper end of crown plate, and working disc and crown plate fixed connection, the apical ring sets up in the upper end of working disc, and apical ring and spacing fixed connection.

Through adopting above-mentioned technical scheme, guarantee that the user can come to be connected with the better cooperation of outside through the base, guarantee the normal use of equipment simultaneously through the setting to the working disk, guarantee to protect the use to the working disk upper end through the setting to the apical ring.

Preferably, the limiting strip comprises a strip-shaped block and a bolt sleeve, the bolt sleeve is arranged in the middle of the strip-shaped block, and the bolt sleeve and the strip-shaped block are integrally formed.

Through adopting above-mentioned technical scheme, guarantee to carry out the block spacing through the bar piece to the working disc, guarantee the top ring cooperation through the bolt bush simultaneously and connect the use.

Preferably, the working disc comprises an annular disc and swing blades, the swing blades are uniformly arranged on the upper end face of the annular disc, and the swing blades are rotatably connected with the annular disc.

Through adopting above-mentioned technical scheme, guarantee that swing blade puts the operation better on the annular disc.

Preferably, the tail end of the swinging blade is also provided with a T-shaped mounting rod, and the T-shaped mounting rod is rotatably connected with the annular disc.

Through adopting above-mentioned technical scheme, guarantee to come stable installation swing blade to use through T shape installation pole.

Preferably, the top ring comprises an upper ring and a lower ring, the lower ring is coaxially arranged at the lower end of the upper ring, and the lower ring is fixedly connected with the upper ring.

Through adopting above-mentioned technical scheme, guarantee to come to carry out spacing use to equipment through fitting with a contraceptive ring and lower ring.

Preferably, a plurality of connecting lugs are uniformly arranged on the outer side surface of the ring plate, and the connecting lugs and the ring plate are integrally formed.

Through adopting above-mentioned technical scheme, guarantee the better purpose of fixing the crown plate through the bolt of user.

To sum up, the utility model discloses mainly have following beneficial effect: the utility model designs a composite nozzle of a variable section turbocharger by researching the traditional turbocharger nozzle structure and the using process, ensures that a user can stably connect the ring plate with the external matching through the connecting lug when needing to use, then the user can stably install the working disc at the upper end of the ring plate, ensures that the two ends of the working disc are clamped and fixed through the strip-shaped block, thus avoiding the relative rotation between the ring plate and the working disc during the using process of the equipment, further ensuring that the swinging blade can flexibly swing on the ring plate, installing and using the top ring after the swinging blade is completely installed on the ring plate, aligning the matching pipe with the bolt sleeve during the installation, ensuring that the user can fix the working disc and the top ring with each other through the bolt, just so can guarantee to come to carry on spacingly to the swing blade upper end through fitting with a contraceptive ring to also can come to carry on spacingly to the nozzle ring through the lower ring after the user has installed the nozzle ring on the working disc, guarantee that the swing blade is more stable at the swing in-process.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic exploded view of the apparatus of FIG. 1;

FIG. 3 is a schematic view of the base of FIG. 1;

FIG. 4 is a schematic structural view of the work tray of FIG. 1;

fig. 5 is a schematic structural view of the top ring shown in fig. 1.

Reference numerals: 1. a base; 11. a ring plate; 111. connecting lugs; 12. a limiting strip; 121. a bar-shaped block; 122. a bolt sleeve; 2. a working plate; 21. an annular disc; 211. a card slot; 212. connecting holes; 22. a swing blade; 221. a T-shaped mounting bar; 3. a top ring; 31. ring fitting; 311. a mating tube; 32. and (4) a lower ring.

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.

Referring to fig. 1, 2, 3, 4 and 5, a composite nozzle of a variable cross-section turbocharger comprises a base 1, a working disc 2 and a top ring 3, wherein the base 1 comprises a ring plate 11 and a limit strip 12, the limit strip 12 is symmetrically arranged on the upper end surface of the ring plate 11, and the limit strip 12 and the ring plate 11 are integrally formed, the composite nozzle of the variable cross-section turbocharger is designed by researching the structure and the using process of the traditional turbocharger nozzle, the ring plate 11 can be stably connected with the outside through a connecting lug 111 when a user needs to use, then the user can stably install the working disc 2 on the upper end of the ring plate 11, the two ends of the working disc 2 are clamped and fixed through a strip 121, and therefore the relative rotation between the ring plate 11 and the working disc 2 in the using process of equipment can be avoided, further, the swing blades 22 can be flexibly swung on the annular disc 21, the top ring 3 can be installed and used after the swing blades 22 are completely installed on the annular disc 21, the matching pipes 311 and the bolt sleeves 122 can be aligned with each other during installation, and a user can fix the working disc 2 and the top ring 3 to each other through bolts, so that the upper ends of the swing blades 22 can be limited through the upper ring 31, and the nozzle ring can be limited through the lower ring 32 after the user installs the nozzle ring on the working disc 2, so that the swing blades 22 are more stable during swinging, the problem that the nozzle structure used by the conventional turbocharger is simple, the nozzle can be simply installed and used in a fixed manner during actual use, and the problem that the user is inconvenient to flexibly disassemble, assemble, replace and use when the nozzle ring is damaged is solved, meanwhile, the nozzle used by the traditional turbocharger is not stable enough in the rotating and adjusting process in the using process, does not have a corresponding protection mechanism, and is inconvenient for long-time operation of equipment, a plurality of connecting lugs 111 are uniformly arranged on the outer side surface of the annular plate 11, the connecting lugs 111 and the annular plate 11 are integrally formed, the purpose that a user can fix the ring plate 11 through a bolt is better ensured by arranging the connecting lug 111, the limit strip 12 comprises a strip-shaped block 121 and a bolt sleeve 122, the bolt sleeve 122 is arranged in the middle of the strip-shaped block 121, and the bolt sleeve 122 is integrally formed with the strip-shaped block 121, the structure of the limit strip 12 is arranged to ensure that a user can stably clamp and limit the annular disc 21 through the strip-shaped blocks 121, meanwhile, the purpose that a user can better match and fix the top ring 3 through bolts is ensured through the arrangement of the bolt sleeve 122;

the working disk 2 is arranged at the upper end of the annular plate 11, the working disk 2 is fixedly connected with the annular plate 11,

the working disc 2 comprises an annular disc 21 and a swinging blade 22, the swinging blade 22 is uniformly arranged on the upper end face of the annular disc 21, the swinging blade 22 is rotatably connected with the annular disc 21, the structure of the working disc 2 is set to ensure that a user can stably install the swinging blade 22 through the annular disc 21 for use, and further ensure stable swinging operation through the swinging blade 22, the tail end of the swinging blade 22 is also provided with a T-shaped installation rod 221, the T-shaped installation rod 221 is rotatably connected with the annular disc 21, the T-shaped installation rod 221 is set to ensure that the swinging blade 22 can be stably installed on the annular disc 21 for use, so that the swinging blade 22 can flexibly swing conveniently, the annular disc 21 is symmetrically provided with clamping grooves 211 matched with the strip-shaped blocks 121, the annular disc 21 is uniformly provided with a plurality of connecting holes 212, and the clamping grooves 211 are set to ensure that the strip-shaped blocks 121 are matched for use, meanwhile, the arrangement of the connecting holes 212 ensures that a user can better connect the annular disc 21 for use;

top ring 3 sets up the upper end at service disc 2, and top ring 3 and spacing 12 fixed connection, top ring 3 includes and encircles 31 and lower ring 32, lower ring 32 sets up the lower extreme at last ring 31 with the axle center, and lower ring 32 and last ring 31 fixed connection, guarantee through the structure setting to top ring 3 that it is spacing to come to swing blade 22 upper end through last ring 31, guarantee to carry on spacingly to the flank through the setting to lower ring 32 simultaneously, the lower terminal surface of last ring 31 still symmetry is provided with the corresponding cooperation pipe 311 of bolt cover 122, cooperation pipe 311 and last ring 31 vertical fixation are connected, guarantee through the setting to cooperation pipe 311 that the cooperation pipe 31 can be better to go up ring 31 and be connected with the cooperation of bolt cover 122.

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

Claims

1. A composite nozzle of a variable-section turbocharger comprises a base (1), a working disc (2) and a top ring (3), and is characterized in that: base (1) is including crown plate (11) and spacing (12), spacing (12) symmetry sets up the up end at crown plate (11), and spacing (12) and crown plate (11) integrated into one piece, work dish (2) are installed in the upper end of crown plate (11), and work dish (2) and crown plate (11) fixed connection, apical ring (3) set up the upper end at work dish (2), and apical ring (3) and spacing (12) fixed connection.

2. The compound nozzle of a variable geometry turbocharger as claimed in claim 1, wherein: the limiting strip (12) comprises a strip-shaped block (121) and a bolt sleeve (122), the bolt sleeve (122) is arranged in the middle of the strip-shaped block (121), and the bolt sleeve (122) and the strip-shaped block (121) are integrally formed.

3. The compound nozzle of a variable geometry turbocharger as claimed in claim 1, wherein: the working disc (2) comprises an annular disc (21) and swing blades (22), the swing blades (22) are uniformly arranged on the upper end face of the annular disc (21), and the swing blades (22) are rotatably connected with the annular disc (21).

4. A composite nozzle of a variable area turbocharger according to claim 3, wherein: the tail end of the swinging blade (22) is further provided with a T-shaped mounting rod (221), and the T-shaped mounting rod (221) is rotatably connected with the annular disc (21).

5. The compound nozzle of a variable geometry turbocharger as claimed in claim 1, wherein: the top ring (3) comprises an upper ring (31) and a lower ring (32), the lower ring (32) is coaxially arranged at the lower end of the upper ring (31), and the lower ring (32) is fixedly connected with the upper ring (31).

6. The composite nozzle of a variable geometry turbocharger according to any one of claims 1 to 5, wherein: a plurality of connecting lugs (111) are uniformly arranged on the outer side face of the ring plate (11), and the connecting lugs (111) and the ring plate (11) are integrally formed.