Double-vortex-tube turbocharger convenient to fix

Abstract

The utility model belongs to the field of turbochargers, and particularly relates to a double-vortex-tube turbocharger convenient to fix, which comprises a waste gas pump shell, and the surface of the waste gas pump shell is sequentially communicated with a waste gas discharge tube, a pair of waste gas vortex tubes and a connecting tube. A rotating shaft is mounted in the connecting pipe; turbines are mounted at two ends of the rotating shaft; one side of the connecting pipe is communicated with a compression pump shell; the surface of the compression pump shell is sequentially communicated with an air discharge pipe and an air inlet pipe; the end part of the waste gas vortex tube is fixedly connected with a mounting flange; at least one vertical plate is fixedly mounted on the surface of the mounting flange; one side of the vertical plate is rotationally connected with a circular plate; by rotating the circular plate, the pressing block can be driven to extrude the flanges at the end of the exhaust manifold, and the pair of flanges can be pre-tightened, so that the situation that the flanges shake before bolts are installed is reduced, and the situation that the flanges need to be continuously pressed manually during installation is reduced.

Description

Technical Field

[0001] This utility model relates to the field of turbochargers, specifically a twin-scroll turbocharger that is easy to fix. Background Technology

[0002] A turbocharger is a device that uses the energy of exhaust gases from an engine to drive a turbine to rotate, which in turn drives a coaxial compressor impeller to rotate, compressing fresh air and sending it into the engine cylinders.

[0003] A twin-scroll turbocharger is a turbocharging technology that improves upon traditional turbochargers. It designs the engine's exhaust manifold with a twin-scroll structure, dividing the exhaust gas from the engine cylinders into two groups, each entering the turbocharger's turbine housing through a different scroll. This allows the exhaust gases to drive the turbine more evenly, reducing interference between exhaust gases and improving the turbine's response speed and efficiency.

[0004] In the existing technology, the twin-scroll turbocharger is connected to the engine's exhaust manifold via a flange. During use and observation, it has been found that when connecting the flanges, the mounting holes between a pair of flanges are usually aligned before the bolts are inserted. This installation method requires manual continuous alignment and tightening of the flanges until the bolts are tightened, which consumes too much manpower and causes inconvenience in fixing.

[0005] Therefore, a twin-scroll turbocharger that is easy to fix is ​​proposed to address the above problems. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A twin-scroll turbocharger that is easy to fix, comprising an exhaust gas pump housing, wherein an exhaust gas discharge pipe, a pair of exhaust gas swirls, and a connecting pipe are sequentially connected to the surface of the exhaust gas pump housing; a rotating shaft is installed inside the connecting pipe, and turbines are installed at both ends of the rotating shaft; a compression pump housing is connected to one side of the connecting pipe; an air discharge pipe and an air inlet pipe are sequentially connected to the surface of the compression pump housing; a mounting flange is fixedly connected to the end of the exhaust gas swirls; at least one vertical plate is fixedly installed on the surface of the mounting flange. A circular plate is rotatably connected to one side of the upright plate; a handle is fixedly connected to the surface of the circular plate; a sliding plate is provided on one side of the handle, and the sliding plate and the handle are slidably connected; a pressure block is fixedly connected to the bottom of the sliding plate; sliding parts are symmetrically fixed to one side of the sliding plate, and the sliding parts and the surface of the upright plate are slidably connected; a locking assembly is provided on the other side of the circular plate; by rotating the circular plate, the pressure block can be driven to squeeze the flange at the end of the exhaust manifold, which can pre-tighten a pair of flanges, thereby reducing the wobbling of the flanges before bolt installation and reducing the need for continuous manual pressing during flange installation.

[0008] Preferably, the locking assembly includes a worm gear; the worm gear and the circular plate are fixedly connected; a worm is provided at the bottom of the worm gear, and the worm and the vertical plate are rotatably connected; the worm and the worm gear are meshed; an operating lever is fixedly connected to the end of the worm; through the cooperation of the worm gear and the worm, the worm gear can be rotated to drive the worm gear to rotate with the circular plate, thereby improving the stability of the pressure block when pre-tightening the flange.

[0009] Preferably, a crank handle is provided on one side of the control lever; the crank handle has a Z-shaped structure; by providing a crank handle, if there is sufficient operating space, a crank handle can be added to one side of the control lever to facilitate the operator's rotation control of the control lever.

[0010] Preferably, the control lever has a recessed hole on its surface, and a protrusion corresponding to the recessed hole is provided on one side of the crank handle. By providing the recessed hole, after the pressure block is adjusted, the crank handle can be directly pulled out along the recessed hole on the surface of the control lever, realizing quick installation and removal between the crank handle and the control lever, thereby reducing the space occupied by the control lever and reducing the situation where the circular plate reverses due to accidental touch of the crank handle.

[0011] Preferably, sound-absorbing cotton is fixed to the outer wall of the exhaust gas pump casing and the compressor casing; by setting the sound-absorbing cotton, the porous structure inside the sound-absorbing cotton can absorb the noise generated when the turbine inside the exhaust gas pump casing and the compressor casing rotates at high speed, thereby reducing its noise pollution to the outside world.

[0012] Preferably, the top of the connecting pipe is connected to an oil inlet pipe; the middle of the oil inlet pipe is equipped with a filter; the bottom of the connecting pipe is connected to an oil return pipe; the oil inlet pipe is connected to the engine, and when the device is working, oil can be sent from the engine into the oil inlet pipe, and then the oil will enter the inside of the connecting pipe and lubricate the turbine, bearings and other components inside the connecting pipe. Finally, this oil can be discharged through the oil return pipe. By setting a filter, the oil in the oil inlet pipe can be filtered to reduce the contamination of the components inside the connecting pipe by impurities carried in the oil.

[0013] The advantages of this utility model are:

[0014] 1. The present invention provides a twin-scroll turbocharger that is easy to fix. By rotating the circular plate, the pressure block can be driven to squeeze the flange at the end of the exhaust manifold, which can pre-tighten a pair of flanges, thereby reducing the wobbling of the flanges before bolt installation and reducing the need for continuous manual pressing during flange installation.

[0015] 2. The twin-scroll turbocharger of this utility model, which is easy to fix, can improve the stability of the pressure block when pre-tightening the flange by rotating the worm gear and worm through the cooperation of the worm and worm. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the main body of this utility model;

[0018] Figure 2 This is a schematic diagram of the connecting pipe in this utility model;

[0019] Figure 3 This is a schematic diagram of the flange mounting structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the neutral plate of this utility model;

[0021] Figure 5 This is a schematic diagram of the worm gear in this utility model.

[0022] In the diagram: 1. Exhaust gas pump housing; 12. Exhaust gas exhaust pipe; 13. Exhaust gas vortex tube; 14. Connecting pipe; 15. Compressor pump housing; 16. Air exhaust pipe; 17. Air inlet pipe; 18. Mounting flange; 110. Vertical plate; 111. Circular plate; 112. Handle shaft; 113. Slide plate; 114. Sliding component; 115. Pressure block; 2. Worm gear; 22. Worm; 23. Control lever; 3. Handle; 4. Embedded hole; 5. Sound-absorbing cotton; 6. Oil inlet pipe; 62. Oil return pipe; 63. Filter. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0024] Specific implementation examples are given below.

[0025] Please see Figures 1 to 5As shown in the embodiment of this utility model, a twin-scroll turbocharger that is easy to fix includes an exhaust gas pump housing 1. The surface of the exhaust gas pump housing 1 is sequentially connected to an exhaust gas outlet pipe 12, a pair of exhaust gas swirl tubes 13, and a connecting pipe 14. A rotating shaft is installed inside the connecting pipe 14, and turbines are installed at both ends of the rotating shaft. A compression pump housing 15 is connected to one side of the connecting pipe 14. An air outlet pipe 16 and an air inlet pipe 17 are sequentially connected to the surface of the compression pump housing 15. A mounting flange 18 is fixedly connected to the end of the exhaust gas swirl tubes 13. At least one vertical plate 110 is fixedly installed on the surface of the mounting flange 18. A circular plate 111 is rotatably connected to one side of the vertical plate 110. A handle 112 is fixedly connected to the surface of the circular plate 111; a sliding plate 113 is provided on one side of the handle 112, and the sliding plate 113 and the handle 112 are slidably connected; a pressure block 115 is fixedly connected to the bottom of the sliding plate 113; sliding members 114 are symmetrically fixedly connected to one side of the sliding plate 113, and the sliding members 114 and the surface of the upright plate 110 are slidably connected; a locking assembly is provided on the other side of the circular plate 111; during installation, the mounting flange 18 can be moved parallel to the exhaust manifold end flange so that the threaded holes on the mounting flange 18 and the exhaust manifold end flange are aligned. Then, the circular plate 111 can be driven to rotate to drive the handle 112 to rotate. When the handle 112 rotates, it will... The slide plate 113 slides along the groove on one side of the slide plate 113. Simultaneously, under the compression and limiting action of the handle 112, the slide plate 113 carries the sliding member 114 vertically along the upright plate 110. At this time, the slide plate 113 can be vertically adjusted to drive the pressure block 115 closer to the back of the exhaust manifold flange until the pressure block 115 can simultaneously press against the mounting flange 18 and the exhaust manifold end flange. Then, the locking assembly can lock the circular plate 111 to temporarily fix the mounting flange 18. Subsequently, the mounting flange 18 and the exhaust manifold end flange can be fixedly connected with bolts and tightened with an electric wrench. During operation, the device... The hot exhaust gases generated by different cylinders of the engine will enter a pair of exhaust gas vortex tubes 13 through the exhaust manifold, then enter the interior of the exhaust gas pump housing 1 and be discharged through the exhaust gas exhaust pipe 12. The turbine inside the exhaust gas pump housing 1 will rotate under the action of airflow and drive the turbine inside the compressor pump housing 15 to rotate, so that the outside gas can enter the interior of the compressor pump housing 15 through the air inlet pipe 17, and the compressed gas can be discharged through the air exhaust pipe 16. By rotating the circular plate 111, the pressure block 115 can be driven to squeeze the flange at the end of the exhaust manifold, which can pre-tighten a pair of flanges, thereby reducing the wobbling of the flanges before bolt installation and reducing the need for continuous manual pressing during flange installation.

[0026] Please see Figure 4 and Figure 5As shown, the locking assembly includes a worm gear 2; the worm gear 2 and the circular plate 111 are fixedly connected; the bottom of the worm gear 2 is provided with a worm 22, and the worm 22 and the vertical plate 110 are rotatably connected; the worm 22 and the worm gear 2 are meshed; an operating lever 23 is fixedly connected to the end of the worm 22; when it is necessary to rotate the circular plate 111, the worm 22 can be driven to rotate by rotating the operating lever 23, and when the worm 22 rotates, it will mesh with the worm gear 2, causing the worm gear 2 to... When the worm gear 2 rotates, the worm wheel 2 drives the circular plate 111 to rotate, thereby achieving vertical adjustment of the slide plate 113 and the pressure block 115. Since the meshing of the worm 22 and the worm wheel 2 has a self-locking property, the reverse rotation of the circular plate 111 can be reduced, thereby improving the stability of the pressure block 115 when pressing the flange. Through the cooperation of the worm wheel 2 and the worm 22, the worm wheel 2 can be driven to rotate the circular plate 111 by rotating the worm 22, thereby improving the stability of the pressure block 115 when pre-tightening the flange.

[0027] Please see Figure 5 As shown, a crank handle 3 is provided on one side of the control lever 23; the crank handle 3 has a Z-shaped structure; by providing the crank handle 3, when there is sufficient operating space, a crank handle 3 can be added to one side of the control lever 23 to facilitate the operator's rotation control of the control lever 23.

[0028] Please see Figure 5 As shown, the control lever 23 has a recessed hole 4 on its surface, and the crank handle 3 has a protrusion on one side corresponding to the recessed hole 4. By setting the recessed hole 4, after the pressure block 115 is adjusted, the crank handle 3 can be directly pulled out along the recessed hole 4 on the surface of the control lever 23, realizing quick installation and removal between the crank handle 3 and the control lever 23, thereby reducing the space occupied by the control lever 23 and reducing the situation where the circular plate 111 is reversed due to accidental contact with the crank handle 3.

[0029] Please see Figure 1 and Figure 2 As shown, sound-absorbing cotton 5 is fixed to the outer wall of the exhaust gas pump housing 1 and the compressor housing 15. By setting the sound-absorbing cotton 5, the porous structure inside the sound-absorbing cotton 5 can absorb the noise generated when the turbine inside the exhaust gas pump housing 1 and the compressor housing 15 rotates at high speed, thereby reducing its noise pollution to the outside world.

[0030] Please see Figure 2 As shown, the top of the connecting pipe 14 is connected to the oil inlet pipe 6; the middle of the oil inlet pipe 6 is equipped with a filter 63; the bottom of the connecting pipe 14 is connected to the oil return pipe 62; the oil inlet pipe 6 is connected to the engine, and when the device is working, the oil can be sent from the engine into the oil inlet pipe 6, and then the oil will enter the interior of the connecting pipe 14 and lubricate the turbine, bearings and other components inside the connecting pipe 14. Finally, the oil can be discharged through the oil return pipe 62. By setting the filter 63, the oil in the oil inlet pipe 6 can be filtered to reduce the contamination of the components inside the connecting pipe 14 by impurities carried in the oil.

[0031] Working principle: The mounting flange 18 is moved parallel to the exhaust manifold end flange until the threaded holes on the mounting flange 18 and the exhaust manifold end flange are aligned. The circular plate 111 is then rotated to drive the shaft 112 to rotate. As the shaft 112 rotates, it slides along a groove on one side of the sliding plate 113. Simultaneously, the sliding plate 113, under the compression and limiting action of the shaft 112, moves the sliding member 114 vertically along the vertical plate 110. At this point, the vertical adjustment of the sliding plate 113 drives the pressure block 115 towards the back of the exhaust manifold flange until the pressure block 115 simultaneously presses against both the mounting flange 18 and the exhaust manifold end flange. The circular plate 111 is then locked using the locking assembly. The mounting flange 18 is temporarily fixed in place. Then, bolts are used to secure the mounting flange 18 and the exhaust manifold end flange, and tightened with an electric wrench. When the device is working, the hot exhaust gases from different cylinders of the engine enter a pair of exhaust gas vortex tubes 13 through the exhaust manifold, then enter the exhaust gas pump housing 1 and are discharged through the exhaust gas outlet pipe 12. The turbine inside the exhaust gas pump housing 1 rotates under the action of airflow, driving the turbine inside the compression pump housing 15 to rotate, allowing external gas to enter the compression pump housing 15 through the air inlet pipe 17. The compressed gas is discharged through the air outlet pipe 16. When it is necessary to rotate the circular plate 111, the worm gear 22 can be driven by rotating the control lever 23. When the worm gear 22 rotates, it meshes with the worm wheel 2, causing the worm wheel 2 to rotate. The worm wheel 2 then drives the circular plate 111 to rotate, thereby achieving vertical adjustment of the slide plate 113 and the pressure block 115. Because the meshing of the worm gear 22 and the worm wheel 2 has a self-locking property, it reduces the possibility of the circular plate 111 reversing, thus improving the stability of the pressure block 115 when pressing against the flange. By providing a crank handle 3, if there is sufficient operating space, a crank handle 3 can be added to one side of the control lever 23 to facilitate the operator's rotation control of the control lever 23. By providing a recessed hole 4, after the pressure block 115 is adjusted, the crank handle 3 can be directly pulled out along the recessed hole 4 on the surface of the control lever 23, achieving quick connection between the crank handle 3 and the control lever 23. The device is disassembled to reduce the space occupied by the control lever 23 and reduce the possibility of the circular plate 111 reversing due to accidental contact with the crank handle 3. By setting the sound-absorbing cotton 5, the porous structure inside the sound-absorbing cotton 5 can absorb the noise generated by the high-speed rotation of the turbine in the exhaust gas pump housing 1 and the compressor pump housing 15, thereby reducing its noise pollution to the outside world. The oil inlet pipe 6 is connected to the engine. When the device is working, the oil can be sent from the engine to the oil inlet pipe 6. Then the oil will enter the inside of the connecting pipe 14 and lubricate the turbine and bearings in the connecting pipe 14. Finally, the oil can be discharged through the return oil pipe 62. By setting the filter 63, the oil in the oil inlet pipe 6 can be filtered to reduce the pollution of the components inside the connecting pipe 14 by the impurities carried in the oil.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A twin-scroll turbocharger that is easy to fix, comprising an exhaust gas pump housing (1), characterized in that: The surface of the exhaust gas pump housing (1) is sequentially connected to an exhaust gas pipe (12), a pair of exhaust gas vortex tubes (13), and a connecting pipe (14); a rotating shaft is installed inside the connecting pipe (14), and turbines are installed at both ends of the rotating shaft; a compression pump housing (15) is connected to one side of the connecting pipe (14); an air exhaust pipe (16) and an air inlet pipe (17) are sequentially connected to the surface of the compression pump housing (15); a mounting flange (18) is fixedly connected to the end of the exhaust gas vortex tubes (13); at least one vertical plate (110) is fixedly installed on the surface of the mounting flange (18). The upright plate (110) is rotatably connected to a circular plate (111) on one side; a handle (112) is fixedly connected to the surface of the circular plate (111); a sliding plate (113) is provided on one side of the handle (112), and the sliding plate (113) and the handle (112) are slidably connected; a pressure block (115) is fixedly connected to the bottom of the sliding plate (113); a sliding member (114) is symmetrically fixedly connected to one side of the sliding plate (113), and the sliding member (114) and the surface of the upright plate (110) are slidably connected; a locking assembly is provided on the other side of the circular plate (111).

2. The twin-scroll turbocharger for easy fixing according to claim 1, characterized in that: The locking assembly includes a worm gear (2); the worm gear (2) and the circular plate (111) are fixedly connected; the bottom of the worm gear (2) is provided with a worm (22), and the worm (22) and the vertical plate (110) are rotatably connected; the worm (22) and the worm gear (2) are meshed; the end of the worm (22) is fixedly connected with an operating lever (23).

3. A twin-scroll turbocharger that is easy to fix according to claim 2, characterized in that: The control lever (23) has a crank handle (3) on one side; the crank handle (3) has a Z-shaped structure.

4. A twin-scroll turbocharger that is easy to fix according to claim 3, characterized in that: The control lever (23) has a recessed hole (4) on its surface, and the crank handle (3) has a protrusion on one side that corresponds to the recessed hole (4).

5. A twin-scroll turbocharger that is easy to fix according to claim 4, characterized in that: The outer walls of the exhaust gas pump casing (1) and the compressor casing (15) are fixed with sound-absorbing cotton (5).

6. A twin-scroll turbocharger for easy fixing according to claim 5, characterized in that: The top of the connecting pipe (14) is connected to the oil inlet pipe (6); the middle of the oil inlet pipe (6) is provided with a filter (63); the bottom of the connecting pipe (14) is connected to the oil return pipe (62).

Images