Adjusting device of turbocharger actuator

Abstract

The utility model belongs to the technical field of turbocharger actuators, and particularly relates to a turbocharger actuator adjusting device which comprises a shell, an adjusting plate is installed on a first guide block, two sets of screws penetrate through a bottom plate of the shell, the other sides of the screws are rotationally connected with the side wall of the adjusting plate, the screws are sleeved with a movable frame, and the movable frame is provided with a first guide block and a second guide block. The movable frame is rotationally connected with the screw rod, two sets of limiting plates are symmetrically installed on the movable frame, a graduated scale is installed on the shell, a spring is installed on the adjusting plate, the other side of the spring is fixedly connected with a diaphragm, the screw rod drives the adjusting plate to move, the adjusting plate compresses the spring, and meanwhile the screw rod drives the movable frame to move. According to the spring pre-tightening force adjusting device, the distance value of movement of the movable frame can be accurately obtained by comparing with the graduated scale, that is, the compression length value of the spring can be accurately obtained, the compression length value of the spring is accurately adjusted according to the use requirement, accurate adjustment of the spring pre-tightening force is achieved, and the adjusting accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turbocharger actuators, in particular to an adjusting device for a turbocharger actuator. Background Art

[0002] A turbocharger is actually an air compressor that increases the intake volume by compressing air. A waste gas bypass valve is provided at the outlet of the turbocharger. The waste gas bypass valve is driven by an actuator through a lever mechanism under the action of vacuum to open and close the valve and adjust the amplitude of the switch. The actuator needs to be fine-tuned using an adjustment device according to usage requirements.

[0003] A Chinese patent with publication number CN201916045U discloses a turbocharger actuator preload fine-tuning device, including a cylinder body and an actuator adjusting rod. A diaphragm is provided in the cylinder body, and an actuator push rod is connected to the left side of the diaphragm. The actuator push rod extends from the cylinder body and is adjustably connected to the actuator adjusting rod. An adjustment slider is provided between the actuator adjusting rod and the actuator push rod, and a thread is provided inside the adjustment slider. The actuator push rod is threadedly connected to the adjustment slider. When fine-tuning the actuator preload, there is no need to remove the actuator adjusting rod from the transmission pin on the turbine box assembly, so that the operation of adjusting the actuator preload becomes simple, safe and accurate.

[0004] The existing adjustment device cannot accurately adjust the preload force of the spring of the turbocharger actuator during the process of adjusting the preload force of the spring, resulting in poor adjustment accuracy; therefore, an adjustment device for a turbocharger actuator is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model provides an adjustment device for a turbocharger actuator.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model is an adjustment device for a turbocharger actuator, comprising a shell, a plurality of guide grooves are provided on the inner wall of the shell, a first guide block is installed in the guide groove, an adjustment plate is installed on the first guide block, two groups of screws are penetrated through the bottom plate of the shell, a thread is provided on the bottom plate of the shell, the bottom plate of the shell slides with the screw through the thread, a first knob is welded on one side of the screw, and the other side of the screw is rotatably connected to the side wall of the adjustment plate, a moving frame is sleeved on the screw, the moving frame is rotatably connected to the screw, two groups of limit plates are symmetrically installed on the moving frame, a scale is installed on the shell, the scale is installed between the moving frame and the two groups of limit plates, a rod hole is provided on the adjustment plate, a spring is installed on the adjustment plate, the A diaphragm is fixedly connected to the other side of the spring, an air intake pipe is installed on the top side of the shell, a guide tube is installed on the bottom side of the shell, a second guide block is assembled in the guide groove, the second guide block is fixedly connected to the side wall of the diaphragm, and there is a cavity between the diaphragm and the shell. A pull rod is fixedly installed on the diaphragm, and the pull rod passes through the rod hole and the guide tube, and a pin seat is installed on the other side of the pull rod. A limiting ring is welded on the inner wall of the shell, and a rubber pad is installed on the side wall of the limiting ring. The adjusting plate is driven to move by the screw, and the adjusting plate compresses the spring. At the same time, the screw drives the moving frame to move. By comparing the scale, the distance value of the moving frame moving can be accurately obtained, that is, the compressed length value of the spring can be accurately obtained. According to the use requirements, the compressed length value of the spring can be accurately adjusted, so as to realize the precise adjustment of the spring preload force, which is beneficial to improve the accuracy of the adjustment.

[0007] The two fixing blocks are symmetrically mounted on the bottom plate of the housing, the two fixing blocks comprising a guide rod fixedly mounted between the two first fixing blocks, a screw rod rotatably mounted between the two second fixing blocks, the thread directions on the screw rods being symmetrically opposite, a rotating rod welded on one side of the screw rod, the rotating rod being mounted with a second knob, a third fixing block being mounted on the bottom plate of the housing, the third fixing block being sleeved on the rotating rod, the screw rod and the guide rod being symmetrically sleeved with two groups of clamping plates, the clamping plates being provided with threads and sliding with the screw rod through the threads, a screw rod being clamped between the two groups of clamping plates by rotating the screw rod, and a spring preload force being adjusted after the adjustment is completed, the screw rod is easily loosened, and by rotating the second knob, the screw rod is driven to rotate, and the screw rod drives the two groups of clamping plates thereon to move synchronously relative to each other, and the two groups of clamping plates clamp and fix the screw rod to prevent the screw rod from loosening and affecting the spring preload force, which is beneficial to improving the stability of the adjustment structure.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model drives the adjustment plate to move by the screw, and the adjustment plate compresses the spring. At the same time, the screw drives the moving frame to move. By comparing with the scale, the distance value of the moving frame movement can be accurately obtained, that is, the compressed length value of the spring can be accurately obtained. According to the use requirements, the compressed length value of the spring is accurately adjusted, thereby realizing the precise adjustment of the spring preload force, which is beneficial to improving the accuracy of the adjustment.

[0010] 2. The utility model adjusts the spring preload by rotating the screw. After the adjustment is completed, the screw is prone to loosening. By rotating the second knob, the screw is driven to rotate, and the screw drives the two sets of clamps thereon to move synchronously relative to each other. The two sets of clamps clamp and fix the screw to prevent the loosening of the screw from affecting the spring preload, which is beneficial to improving the stability of the adjustment structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the adjustment component;

[0014] Figure 3 Schematic diagram of the internal three-dimensional structure of the actuator;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning component.

[0016] In the figure: 1. shell; 2. air inlet pipe; 3. guide pipe; 4. guide groove; 5. first guide block; 6. adjustment plate; 7. screw rod; 8. first knob; 9. movable frame; 10. limit plate; 11. scale; 12. rod hole; 13. spring; 14. diaphragm; 15. second guide block; 16. cavity; 17. pull rod; 18. pin seat; 19. limit ring; 20. rubber pad; 21. first fixed block; 22. second fixed block; 23. guide rod; 24. screw rod; 25. rotating rod; 26. second knob; 27. third fixed block; 28. splint. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 As shown, a turbocharger actuator adjustment device comprises a housing 1, wherein the inner wall of the housing 1 is provided with a plurality of guide grooves 4, wherein the guide grooves 4 are provided with first guide blocks 5, wherein the first guide blocks 5 are provided with an adjustment plate 6, wherein two sets of screws 7 are passed through the bottom plate of the housing 1, wherein the bottom plate of the housing 1 is provided with threads, wherein the bottom plate of the housing 1 slides with the screws 7 through the threads, wherein a first knob 8 is welded on one side of the screw 7, wherein the other side of the screw 7 is rotatably connected to the side wall of the adjustment plate 6, wherein a movable rod 7 is sleeved on the screw 7 The movable frame 9 is rotatably connected with the screw rod 7, two groups of limit plates 10 are symmetrically installed on the movable frame 9, a scale 11 is installed on the housing 1, and the scale 11 is assembled between the movable frame 9 and the two groups of limit plates 10, a rod hole 12 is opened on the adjustment plate 6, a spring 13 is installed on the adjustment plate 6, and a diaphragm 14 is fixedly connected to the other side of the spring 13, an air inlet pipe 2 is installed on the top side of the housing 1, a guide pipe 3 is installed on the bottom side of the housing 1, and a second guide block 15 is assembled in the guide groove 4, The second guide block 15 is fixedly connected to the side wall of the diaphragm 14, a cavity 16 is formed between the diaphragm 14 and the housing 1, a pull rod 17 is fixedly mounted on the diaphragm 14, the pull rod 17 passes through the rod hole 12 and the guide tube 3, a pin seat 18 is mounted on the other side of the pull rod 17, a limit ring 19 is welded on the inner wall of the housing 1, and a rubber pad 20 is mounted on the side wall of the limit ring 19; when working, the existing adjustment device cannot adjust the preload of the spring 13 of the turbocharger actuator during the process of adjusting the preload of the spring 13. The tightening force is precisely adjusted, resulting in poor adjustment accuracy. The actuator is a diaphragm control device. There is a diaphragm 14 inside the housing 1. The top of the diaphragm 14 is a cavity 16. The lower end of the diaphragm 14 is supported by a spring 13 and is integrated with a tie rod 17. The pressurized air enters the cavity 16 of the housing 1 from the intake pipe 2. Due to the high supercharging pressure, the air pressure applied to the diaphragm 14 pushes the spring 13 under the diaphragm 14 to move downward, and the diaphragm 14 drives the tie rod 17 to move, and the tie rod 17 works on the inside of the turbocharger.

[0019] Due to the use requirements of the actuator, it is necessary to adjust the preload force of the spring 13. The preload force of the spring 13 refers to an inherent force of the spring 13 when it is not subjected to external force, and refers to the force of the spring 13 after being pre-compressed or stretched to a certain length. By turning the first knob 8, the screw 7 is driven to rotate, and the screw 7 rotates on the bottom plate of the housing 1. The screw 7 drives the adjustment plate 6 to move. During the movement of the adjustment plate 6, the spring 13 is compressed. At the same time, the screw 7 drives the moving frame 9 to move, and the moving frame 9 and the adjustment plate 6 move synchronously. By comparing the scale 11, the distance value of the movement of the moving frame 9 can be accurately obtained, that is, the distance value of the movement of the adjustment plate 6 can be accurately obtained, that is, the compressed length value of the spring 13 can be accurately obtained. According to the use requirements, the compressed length value of the spring 13 is accurately adjusted, so that the precise adjustment of the preload force of the spring 13 is achieved, which is conducive to improving the accuracy of the adjustment.

[0020] See also Figure 4 As shown, two groups of positioning components are symmetrically installed on the bottom plate of the housing 1, and the positioning components include two first fixed blocks 21 and two second fixed blocks 22. A guide rod 23 is fixedly installed between the two first fixed blocks 21, and a screw rod 24 is rotatably installed between the two second fixed blocks 22. The thread directions on the screw rod 24 are symmetrically opposite. A rotating rod 25 is welded on one side of the screw rod 24, and a second knob 26 is installed on the rotating rod 25. A third fixed block 27 is installed on the bottom plate of the housing 1, and the third fixed block 27 is sleeved on the rotating rod 25. Two groups of clamps 28 are symmetrically sleeved on the screw rod 24 and the guide rod 23. The clamps 28 are provided with threads and slide with the screw rod 24 through the threads. The screw rod 7 is clamped between the groups of clamping plates 28; when working, the existing adjustment device cannot lock and position the spring 13 of the turbocharger actuator after the preload force is adjusted, resulting in poor stability of the adjustment structure. The preload force of the spring 13 is adjusted by rotating the screw rod 7. After the adjustment is completed, the screw rod 7 is prone to loosening. By rotating the second knob 26, the rotating rod 25 is driven to rotate, and the rotating rod 25 drives the screw rod 24 to rotate. The screw rod 24 drives the two groups of clamping plates 28 thereon to move synchronously relative to each other. The two groups of clamping plates 28 clamp and fix the screw 7 to prevent the screw 7 from loosening and affecting the preload force of the spring 13, which is beneficial to improving the stability of the adjustment structure.

[0021] Working principle: In the process of adjusting the preload force of the spring 13 of the turbocharger actuator by the existing adjustment device, the preload force of the spring 13 cannot be accurately adjusted, resulting in poor adjustment accuracy. The actuator is a diaphragm box control device. There is a diaphragm 14 inside the housing 1. The top of the diaphragm 14 is a cavity 16. The lower end of the diaphragm 14 is supported by the spring 13 and is integrated with the pull rod 17. The pressurized air enters the cavity 16 of the housing 1 from the intake pipe 2. Due to the high supercharging pressure, the air pressure applied to the diaphragm 14 is The force pushes the spring 13 under the diaphragm 14 downward, and the diaphragm 14 drives the pull rod 17 to move, and the pull rod 17 performs work on the inside of the turbocharger; due to the use requirements of the actuator, the preload force of the spring 13 needs to be adjusted. The preload force of the spring 13 refers to an internal force of the spring 13 without the action of external force, which refers to the force of the spring 13 after being pre-compressed or stretched to a certain length. By turning the first knob 8, the screw 7 is driven to rotate, and the screw 7 rotates on the bottom plate of the housing 1, and the screw 7 drives the adjustment plate 6 to move. During the movement of the adjustment plate 6 , compress the spring 13, and at the same time, the screw 7 drives the moving frame 9 to move, and the moving frame 9 and the adjusting plate 6 move synchronously. By comparing the scale 11, the distance value of the moving frame 9 can be accurately obtained, that is, the distance value of the adjusting plate 6 can be accurately obtained, that is, the compressed length value of the spring 13 can be accurately obtained. According to the use requirements, the compressed length value of the spring 13 is accurately adjusted, and the precise adjustment of the preload force of the spring 13 is realized, which is conducive to improving the accuracy of the adjustment; the existing adjustment device is in the preload force of the spring 13 of the turbocharger actuator After the tightening force is adjusted, it cannot be locked and positioned, resulting in poor stability of the adjustment structure. The preload force of the spring 13 is adjusted by rotating the screw rod 7. After the adjustment is completed, the screw 7 is prone to loosening. By rotating the second knob 26, the rotating rod 25 is driven to rotate, and the rotating rod 25 drives the screw rod 24 to rotate. The screw rod 24 drives the two groups of clamps 28 thereon to move synchronously relative to each other. The two groups of clamps 28 clamp and fix the screw rod 7 to prevent the screw rod 7 from loosening and affecting the preload force of the spring 13, which is beneficial to improving the stability of the adjustment structure.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An adjustment device for a turbocharger actuator, characterized in that: The invention comprises a shell (1), wherein a plurality of guide grooves (4) are provided on the inner wall of the shell (1), wherein a first guide block (5) is installed in the guide groove (4), wherein an adjustment plate (6) is installed on the first guide block (5), wherein two sets of screw rods (7) are passed through the bottom plate of the shell (1), wherein the bottom plate of the shell (1) is provided with threads, wherein the bottom plate of the shell (1) slides in cooperation with the screw rods (7) through the threads, wherein a first knob (8) is welded on one side of the screw rod (7), and wherein the other side of the screw rod (7) rotates with the side wall of the adjustment plate (6) The screw rod (7) is sleeved with a movable frame (9), the movable frame (9) is rotationally connected to the screw rod (7), two groups of limit plates (10) are symmetrically mounted on the movable frame (9), a scale (11) is mounted on the housing (1), the scale (11) is assembled between the movable frame (9) and the two groups of limit plates (10), a rod hole (12) is opened on the adjustment plate (6), a spring (13) is mounted on the adjustment plate (6), and a diaphragm (14) is fixedly connected to the other side of the spring (13).

2. The adjusting device for a turbocharger actuator according to claim 1, characterized in that: An air inlet pipe (2) is installed on the top side of the shell (1), and a guide pipe (3) is installed on the bottom side of the shell (1).

3. The adjusting device for a turbocharger actuator according to claim 1, characterized in that: A second guide block (15) is installed in the guide groove (4), and the second guide block (15) is fixedly connected to the side wall of the diaphragm (14).

4. The adjusting device for a turbocharger actuator according to claim 3, characterized in that: A cavity (16) is formed between the diaphragm (14) and the housing (1). A pull rod (17) is fixedly mounted on the diaphragm (14). The pull rod (17) passes through the rod hole (12) and the guide tube (3). A pin seat (18) is mounted on the other side of the pull rod (17).

5. The adjusting device for a turbocharger actuator according to claim 1, characterized in that: A limit ring (19) is welded on the inner wall of the outer shell (1), and a rubber pad (20) is installed on the side wall of the limit ring (19).

6. The adjusting device for a turbocharger actuator according to claim 1, characterized in that: Two groups of positioning components are symmetrically installed on the bottom plate of the shell (1), and the positioning components include two first fixed blocks (21) and two second fixed blocks (22). A guide rod (23) is fixedly installed between the two first fixed blocks (21), and a screw rod (24) is rotatably installed between the two second fixed blocks (22). The screw rod (24) has symmetrically opposite thread directions. A rotating rod (25) is welded on one side of the screw rod (24), and a second knob (26) is installed on the rotating rod (25). A third fixed block (27) is installed on the bottom plate of the shell (1), and the third fixed block (27) is sleeved on the rotating rod (25). Two groups of clamping plates (28) are symmetrically sleeved on the screw rod (24) and the guide rod (23). The clamping plates (28) are provided with threads and slide in cooperation with the screw rod (24) through the threads. The screw rod (7) is clamped between the two groups of clamping plates (28).

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