Exhaust gas turbocharger

Abstract

The utility model discloses an exhaust gas turbocharger, which belongs to the technical field of turbochargers and comprises a middle casing and an upper mounting block, fixing blocks are fixedly mounted on two sides of the middle casing, a plurality of screws are fixedly mounted on one of the fixing blocks, the screws are connected with the same first casing through bolts, and the upper mounting block is fixedly mounted on the middle casing. A connecting pipe is integrally formed at the top end of the first shell, a lower mounting block is fixedly mounted at the top end of the connecting pipe, a shifting disc is rotatably mounted at the bottom end of an upper mounting block, a limiting disc is rotatably mounted at the bottom end of the shifting disc, a plurality of round inserting rods are fixedly mounted at the bottom end of the limiting disc, buckles are slidably mounted in the round inserting rods, and springs are fixedly mounted on one sides of the buckles. The spring is fixedly installed in the round insertion rod, and an insertion concave hole matched with the round insertion rod is formed in the lower installation block. According to the utility model, through mechanisms such as rotation, sliding and buckle locking, the mounting and dismounting processes are simpler and more convenient, main parts can be quickly dismounted and replaced, and the maintenance time and cost are greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbocharger technical field especially relates to a waste gas turbocharger. BACKGROUND

[0002] The waste gas turbocharger involves its working principle, development history and application situation in different fields, the waste gas turbocharger drives turbine rotation through the high-temperature high-speed exhaust gas of engine, and further drives the coaxial compressor impeller rotation, compresses air and improves its pressure and density, makes the air after pressurization enter the cylinder, makes the fuel combustion more sufficient, thereby improves the power and torque output of engine, the turbine and turbine shaft and compressor impeller are fastened to form rotor assembly through lock nut. Rotor assembly must be accurately balanced, turbine part, compressor part, rotor assembly is fixed through intermediate housing connection;The waste gas turbocharger bearing system has floating bearing and thrust bearing two. Floating bearing is located between turbine and impeller, bears the pressure of rotor shaft under high-speed operation. Thrust bearing specially bears the axial force generated when rotor shaft is in high-speed operation;Lubricating oil flows into floating bearing and thrust bearing through oil inlet on intermediate housing, cools the components of rotor assembly under high-speed operation;Sealing system includes oil seal and gas seal two parts. The function of gas seal is to prevent compressed air and fuel gas from leaking, the function of oil seal is to prevent lubricating oil from leaking to turbine shell and compressor shell;The bypass valve controls turbine rotating speed, so that the pressurization pressure does not become too high when engine is in high-speed or high-load operation, especially in high-performance car and diesel car, in addition to the automobile industry, the waste gas turbocharger is also used in ships, large generator sets and other industrial equipment requiring high power output.

[0003] With the development of automobile industry and the improvement of environmental protection requirement, the traditional naturally aspirated engine has been difficult to meet the dual demand of market power and economy, the traditional waste gas turbocharger has many deficiencies in structure complexity, maintenance difficulty and durability, since the working environment of turbocharger involves high-temperature high-pressure exhaust gas, the internal components are easy to be damaged, and the replacement and repair process is relatively cumbersome, and the existing turbocharger design is mostly integral structure, which is not conducive to quick disassembly and maintenance;Therefore we propose a waste gas turbocharger to solve this problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a waste gas turbocharger to solve the problems in the above background technology.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The exhaust turbocharger, including: intermediate casing and upper mounting block, both sides of the intermediate casing are fixedly installed with fixed block, one of the fixed blocks is fixedly installed with a plurality of screws, the same shell one is connected to the screws through bolts, the top of the shell one is integrally formed with a connecting pipe, the bottom of the shell one is fixedly installed with a lower mounting block, the bottom of the upper mounting block is rotatably installed with a dial plate, the bottom of the dial plate is rotatably installed with a limiting disc, the bottom of the limiting disc is fixedly installed with a plurality of circular insertion rods, the circular insertion rods are slidably installed with buckles, the buckles are fixedly installed with springs on one side, the springs are fixedly installed in the circular insertion rods, and the lower mounting block is provided with an insertion recess hole matched with the circular insertion rods.

[0007] Preferably, the intermediate casing is rotatably installed with a connecting rod, both sides of the connecting rod are fixedly installed with rotating impellers, the two rotating impellers are rotatably installed in the two fixed blocks respectively, the other fixed block is fixedly installed with a shell two on one side, the shell two is fixedly installed with a sealing ring on one side, and the sealing ring is fixedly connected with the other fixed block.

[0008] Preferably, the top of the upper mounting block is rotatably installed with a connecting ring, the connecting ring is rotatably installed with a connecting circular pipe, the bottom of the connecting ring is fixedly installed with a threaded ring, the threaded ring is threadedly connected with the lower mounting block, the threaded ring is integrally formed with a circular ring, and the circular ring is rotatably installed in the upper mounting block.

[0009] Preferably, the outer side of the dial plate is integrally formed with a rotating L-shaped ring, the outer side of the upper mounting block is provided with a rotating circular groove matched with the rotating L-shaped ring, the top of the limiting disc is fixedly installed with an L-shaped ring, and the bottom of the dial plate is provided with a rotating ring groove matched with the L-shaped ring.

[0010] Preferably, the circular insertion rod is provided with a sliding square groove matched with the buckle on the top, the buckle is slidably installed in the sliding square groove, the spring is fixedly installed in the sliding square groove, and the buckle is fixedly installed with a circular rod on the top.

[0011] Preferably, the limiting disc and the circular insertion rod are both provided with a moving groove matched with the circular rod on the top, the dial plate is provided with a plurality of arc-shaped holes, and the circular rod is slidably installed in the arc-shaped hole.

[0012] Preferably, the shell one is integrally formed with a lower mounting block on one side, the connecting circular pipe is provided with a rotating groove matched with the connecting ring, and the upper mounting block is provided with a rotating ring groove matched with the circular ring.

[0013] The utility model discloses a waste gas turbocharger, through intermediate casing and upper mounting block etc. component composition, the both sides of intermediate casing are equipped with fixed block, and a plurality of screws are installed on one fixed block, and these screws are connected with shell no.

[0014] The utility model discloses a waste gas turbocharger, through with lower mounting block screw joint, the circular ring on screw ring rotates and is installed in upper mounting block, makes whole structure can be connected or disassembled through rotation, the outside of dialing disc has rotary L ring, and the rotary circular groove of upper mounting block outside is matched, is convenient for rotary operation, and the top of restriction disc has L type ring, and the rotary ring groove of dialing disc bottom is matched, is used for limiting the rotation of dialing disc, and the buckle and spring design on circular insert rod makes that buckle can pop out and lock in insert recess hole when needing, and there is the sliding square slot on circular insert rod for buckle sliding, and spring is also installed in sliding square slot, and the top of buckle has round rod, and convenient manual operation, and the mobile recess groove on restriction disc and circular insert rod and round rod are matched, and the arc hole on dialing disc allows round rod to slide when rotating, and one side of shell no. is integrally formed with lower mounting block, and there is rotary recess groove on connecting round pipe for matching with connecting ring, and there is rotary ring recess groove on upper mounting block for matching with circular ring, to ensure that each component can rotate and connect smoothly.

[0015] The utility model discloses a waste gas turbocharger, through with lower mounting block screw joint, the circular ring on screw ring rotates and is installed in upper mounting block, makes whole structure can be connected or disassembled through rotation, the outside of dialing disc has rotary L ring, and the rotary circular groove of upper mounting block outside is matched, is convenient for rotary operation, and the top of restriction disc has L type ring, and the rotary ring groove of dialing disc bottom is matched, is used for limiting the rotation of dialing disc, and the buckle and spring design on circular insert rod makes that buckle can pop out and lock in insert recess hole when needing, and there is the sliding square slot on circular insert rod for buckle sliding, and spring is also installed in sliding square slot, and the top of buckle has round rod, and convenient manual operation, and the mobile recess groove on restriction disc and circular insert rod and round rod are matched, and the arc hole on dialing disc allows round rod to slide when rotating, and one side of shell no. is integrally formed with lower mounting block, and there is rotary recess groove on connecting round pipe for matching with connecting ring, and there is rotary ring recess groove on upper mounting block for matching with circular ring, to ensure that each component can rotate and connect smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A waste gas turbocharger three-dimensional structure schematic diagram is proposed for the utility model;

[0017] Figure 2 A waste gas turbocharger sectional structure schematic diagram is proposed for the utility model;

[0018] Figure 3 A waste gas turbocharger sectional structure schematic diagram is proposed for the utility model;

[0019] Figure 4 For Figure 3 Part A of the local enlargement.

[0020] In the figure: 1, the shell one; 2, the intermediate shell; 3, the shell two; 4, the sealing ring; 5, the lower mounting block; 6, the rotating L ring; 7, the upper mounting block; 8, the connecting ring; 9, the connecting pipe; 10, the limiting disc; 11, the screw; 12, the connecting rod; 13, the rotating impeller; 14, the fixed block; 15, the dial; 16, the L-shaped ring; 17, the circular ring; 18, the threaded ring; 19, the round rod; 20, the buckle; 21, the spring; 22, the round insertion rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 A waste gas turbocharger, including: intermediate shell 2 and upper mounting block 7, intermediate shell 2 both sides are fixedly installed with fixed block 14, wherein one of fixed block 14 is fixedly installed with a plurality of screws 11, a plurality of screws 11 are connected with same shell one 1 through bolt, shell one 1 top is integrally formed with connecting pipe, connecting pipe top is fixedly installed with lower mounting block 5, upper mounting block 7 bottom is rotatably installed with dial 15, dial 15 bottom is rotatably installed with limiting disc 10, limiting disc 10 bottom is fixedly installed with a plurality of round insertion rods 22, round insertion rod 22 is slidably installed with buckle 20, buckle 20 one side is fixedly installed with spring 21, spring 21 is fixedly installed in round insertion rod 22, lower mounting block 5 is provided with insertion recess hole matched with round insertion rod 22.

[0023] In the embodiment, the intermediate shell 2 is rotatably installed with the connecting rod 12, the connecting rod 12 is fixedly installed with the rotating impeller 13 on both sides, and the two rotating impellers 13 are rotatably installed in the two fixed blocks 14, respectively. The other fixed block 14 is fixedly installed with the shell two 3 on one side, the shell two 3 is fixedly installed with the sealing ring 4 on one side, and the sealing ring 4 is fixedly connected with the other fixed block 14, which is better for fixing during installation.

[0024] In the embodiment, the upper mounting block 7 is rotatably installed with the connecting ring 8 on the top, the connecting ring 8 is rotatably installed with the connecting pipe 9, the connecting ring 8 is fixedly installed with the threaded ring 18 on the bottom, the threaded ring 18 is threadedly connected with the lower mounting block 5, the threaded ring 18 is integrally formed with the circular ring 17, the circular ring 17 is rotatably installed in the upper mounting block 7, and the structure is further rotated stably.

[0025] In this embodiment, the outside of the dial plate 15 is integrally formed with a rotating L ring 6, and the outside of the upper mounting block 7 is provided with a rotating circular groove matched with the rotating L ring 6. The top end of the limiting disc 10 is fixedly installed with an L-shaped ring 16. The bottom end of the dial plate 15 is provided with a rotating ring groove matched with the L-shaped ring 16, so that the whole structure can be connected or disassembled by rotating. The lower mounting block 5 is integrally formed on one side of the shell 1. The connecting circular tube 9 is provided with a rotating groove matched with the connecting ring 8. The upper mounting block 7 is provided with a rotating ring groove matched with the circular ring 17, which is better convenient for rotating.

[0026] In this embodiment, the circular insertion rod 22 is provided with a sliding square groove matched with the buckle 20. The buckle 20 is slidingly installed in the sliding square groove. The spring 21 is fixedly installed in the sliding square groove. The circular rod 19 is fixedly installed at the top end of the buckle 20, which is better for limiting. The limiting disc 10 and the circular insertion rod 22 are both provided with a moving groove matched with the circular rod 19. The dial plate 15 is provided with a plurality of arc-shaped holes. The top end of the buckle 20 is fixedly installed with the circular rod 19, which better drives the structure to move.

[0027] In use, the intermediate casing 2 is assembled with the upper mounting block 7 and other components, both sides of the intermediate casing 2 are provided with fixing blocks 14, one of the fixing blocks 14 is provided with a plurality of screws 11, the screws 11 are connected with the outer shell 1, the top end of the outer shell 1 is provided with a connecting pipe, the top end of the connecting pipe is fixedly provided with the lower mounting block 5, the bottom end of the upper mounting block 7 is rotatably provided with the dial plate 15, the dial plate 15 is rotatably provided with the limiting disc 10 below, the bottom end of the limiting disc 10 is provided with a plurality of circular insertion rods 22, the circular insertion rods 22 are slidably provided with the buckles 20 inside, the buckles 20 are connected with the circular insertion rods 22 through the springs 21, the lower mounting block 5 is provided with insertion recesses matched with the circular insertion rods 22, for fixing during installation, the intermediate casing 2 is rotatably provided with the connecting rod 12 inside, both sides of the connecting rod 12 are provided with rotating impellers 13, which are respectively installed in the two fixing blocks 14, the other fixing block 14 is connected with the outer shell 2 3, the outer shell 2 3 and the fixing block 14 are sealed through the sealing ring 4, the top end of the upper mounting block 7 is rotatably provided with the connecting ring 8, the connecting ring 8 is rotatably provided with the connecting circular pipe 9 inside, the bottom end of the connecting ring 8 is provided with the threaded ring 18, which is threadedly connected with the lower mounting block 5, the circular ring 17 on the threaded ring 18 is rotatably installed in the upper mounting block 7, so that the whole structure can be connected or disassembled through rotation, the outer side of the dial plate 15 is provided with the rotating L ring 6, which is matched with the rotating circular groove on the outer side of the upper mounting block 7, facilitating rotation operation, the top end of the limiting disc 10 is provided with the L-shaped ring 16, which is matched with the rotating ring groove at the bottom end of the dial plate 15, for limiting rotation of the dial plate 15, the buckles 20 on the circular insertion rods 22 and the springs 21 are designed so that the buckles 20 can be ejected and locked in the insertion recesses when needed, the circular insertion rods 22 are provided with sliding square grooves for the buckles 20 to slide, the springs 21 are also installed in the sliding square grooves, the top end of the buckle 20 is provided with the circular rod 19, facilitating manual operation, the limiting disc 10 and the moving grooves on the circular insertion rods 22 are matched with the circular rod 19, the arc-shaped hole on the dial plate 15 allows the circular rod 19 to slide during rotation, one side of the outer shell 1 is integrally formed with the lower mounting block 5, the connecting circular pipe 9 is provided with a rotating recess groove matched with the connecting ring 8, the upper mounting block 7 is provided with a rotating ring recess groove matched with the circular ring 17, ensuring that the components can be smoothly rotated and connected.

[0028] The waste gas turbocharger provided by the utility model is described in detail above. The principles and implementation manners of the utility model are described by applying specific embodiments in this paper, and the above embodiment description is only used to help understand the method of the utility model and its core idea. It should be pointed out that, for ordinary technical personnel in the technical field, the utility model can be improved and modified in many ways without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. An exhaust gas turbocharger, characterized in that, include: The intermediate shell (2) and the upper mounting block (7) are provided. Fixing blocks (14) are fixedly installed on both sides of the intermediate shell (2). Multiple screws (11) are fixedly installed on one of the fixing blocks (14). The multiple screws (11) are connected to the same outer shell (1) by bolts. A connecting tube is integrally formed at the top of the outer shell (1). A lower mounting block (5) is fixedly installed at the top of the connecting tube. A toggle disc (15) is rotatably installed at the bottom of the upper mounting block (7). A limiting disc (10) is rotatably installed at the bottom of the toggle disc (15). Multiple round insert rods (22) are fixedly installed at the bottom of the limiting disc (10). A buckle (20) is slidably installed inside the round insert rod (22). A spring (21) is fixedly installed on one side of the buckle (20). The spring (21) is fixedly installed inside the round insert rod (22). A recessed hole matching the round insert rod (22) is opened on the lower mounting block (5).

2. The exhaust gas turbocharger according to claim 1, characterized in that, A connecting rod (12) is rotatably installed inside the intermediate housing (2). Rotating impellers (13) are fixedly installed on both sides of the connecting rod (12). The two rotating impellers (13) are rotatably installed in two fixed blocks (14). A second outer shell (3) is fixedly installed on one side of the other fixed block (14). A sealing ring (4) is fixedly installed on one side of the second outer shell (3). The sealing ring (4) is fixedly connected to the other fixed block (14).

3. The exhaust gas turbocharger according to claim 1, characterized in that, A connecting ring (8) is rotatably mounted on the top of the upper mounting block (7), and a connecting round tube (9) is rotatably mounted inside the connecting ring (8). A threaded ring (18) is fixedly mounted on the bottom of the connecting ring (8). The threaded ring (18) is threadedly connected to the lower mounting block (5). A circular ring (17) is integrally formed on the threaded ring (18), and the circular ring (17) is rotatably mounted inside the upper mounting block (7).

4. The exhaust gas turbocharger according to claim 1, characterized in that, The outer side of the actuating disk (15) is integrally formed with a rotating L-ring (6), the outer side of the upper mounting block (7) is provided with a rotating circular groove that matches the rotating L-ring (6), the top of the limiting disk (10) is fixedly installed with an L-shaped ring (16), and the bottom of the actuating disk (15) is provided with a rotating ring groove that matches the L-shaped ring (16).

5. The exhaust gas turbocharger according to claim 4, characterized in that, The round insert (22) has a sliding square groove that matches the buckle (20). The buckle (20) is slidably installed in the sliding square groove. The spring (21) is fixedly installed in the sliding square groove. A round rod (19) is fixedly installed at the top of the buckle (20).

6. The exhaust gas turbocharger according to claim 1, characterized in that, Both the limiting disc (10) and the round insert (22) are provided with movable grooves that match the round rod (19), and the actuating disc (15) is provided with multiple arc-shaped holes, and the round rod (19) is slidably installed in the arc-shaped holes.

7. The exhaust gas turbocharger according to claim 3, characterized in that, The outer shell (1) has a lower mounting block (5) integrally formed on one side. The connecting round tube (9) has a rotating groove that matches the connecting ring (8). The upper mounting block (7) has a rotating ring groove that matches the circular ring (17).

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