A fuel injector flow regulating device

Abstract

The present invention discloses an injector flow regulating device, comprising a body, a rotating assembly mounted on the top of the body, a valve stem vertically disposed within the body, the top of the valve stem abutting the rotating assembly, the bottom of the valve stem fixedly connected to and in communication with a regulating box, an adjusting mechanism mounted within the regulating box, an oil inlet pipe fixedly connected to and in communication with the side wall of the body, the oil inlet pipe extending into the body and fixedly connected to and in communication with the regulating box, an oil outlet pipe fixedly connected to and in communication with the bottom of the regulating box, buffer assemblies disposed on both sides of the bottom of the oil outlet pipe, the buffer assemblies embedded within the body. The present invention can accurately adjust the flow of oil, ensuring the normal operation of the engine, reducing the number of maintenance times, avoiding oil waste, saving costs, and having strong applicability and being applicable to various environments.

Description

Technical Field

[0001] The present invention relates to the technical field of fuel injectors, in particular to a fuel injector flow regulating device. Background Art

[0002] The fuel injector is a key component in the gasoline injection system used to accurately measure fuel and form a spray. By controlling the injection time of the injector, the fuel supply to the engine is adjusted so that the air-fuel ratio can be accurately controlled. The flow characteristics of the injector directly affect the fuel injection effect.

[0003] However, the existing fuel injectors cannot accurately adjust the flow rate, resulting in fuel consumption or waste or insufficient fuel, which affects the normal use of the engine and increases the number of maintenance times, making it uneconomical and impractical.

[0004] Therefore, there is an urgent need for a fuel injector flow regulating device to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a fuel injector flow regulating device to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides an injector flow regulating device, comprising a main body, a rotating assembly installed on the top of the main body, a valve stem vertically provided in the main body, the top of the valve stem abuts against the rotating assembly, the bottom of the valve stem is fixedly connected to and connected to a regulating box, an adjusting mechanism is installed in the regulating box, the side wall of the main body is fixedly connected to and connected to an oil inlet pipe, the oil inlet pipe extends into the main body and is fixedly connected to and connected to the regulating box, the bottom of the regulating box is fixedly connected to and connected to an oil outlet pipe, buffer assemblies are provided on both sides of the bottom of the oil outlet pipe, and the buffer assemblies are embedded in the main body.

[0007] Preferably, the adjustment mechanism includes a conversion box fixedly connected to the inner wall of the adjustment box, a driving assembly is provided on the top of the conversion box, the driving assembly is transmission-connected to the valve stem, a sliding assembly is installed in the conversion box, the sliding assembly is engaged with the driving assembly, the sliding assembly is fixedly connected to a connecting rod, the connecting rod extends out of the conversion box and is transmission-connected to the adjustment assembly, and the adjustment assembly is fixedly connected to and communicated with the oil inlet pipe.

[0008] Preferably, the driving assembly includes a first gear meshed with the sliding assembly, a first connecting shaft is fixedly connected to the center of the first gear, both ends of the first connecting shaft are rotatably connected to the inner wall of the regulating box, the first gear is meshed with a second gear, a second connecting shaft is fixedly connected to the center of the second gear, both ends of the second connecting shaft are rotatably connected to the inner wall of the regulating box, the second gear is meshed with a rack on the side away from the first gear, and the rack is fixed to the valve stem.

[0009] Preferably, the sliding assembly includes a toothed plate meshing with the first gear, a first groove is provided on the top surface of the conversion box, the toothed plate is located in the first groove, limit blocks are fixed on both sides of the toothed plate, limit grooves are symmetrically provided on both sides of the first groove, the limit blocks are located in the limit grooves and are slidably connected to the limit grooves, a movable plate is fixed to the bottom of the toothed plate, the movable plate is located in the conversion box, the movable plate is fixed to the connecting rod, a bottom plate is fixed to the bottom of the movable plate, the bottom plate is adapted for the conversion box, a plurality of balls are embedded in the bottom surface of the conversion box, the bottom plate is located on the balls and is slidably connected to the balls.

[0010] Preferably, the regulating assembly includes a flow limiting box slidably connected to the connecting rod, the end of the connecting rod away from the conversion box extends into the flow limiting box and is fixedly connected to a piston, the piston is slidably connected to the inner wall of the flow limiting box, a plurality of through holes are opened at the bottom of the flow limiting box, and the side of the flow limiting box away from the conversion box is fixedly connected to and communicated with the oil inlet pipe.

[0011] Preferably, a funnel is abutted against the bottom of the flow limiting box, a plurality of the through holes are contained in the funnel, and the bottom of the funnel is fixedly connected to and communicated with the oil outlet pipe.

[0012] Preferably, support rods are symmetrically fixed to the top surface of the current limiting box, and the tops of the two support rods are fixed to the inner top surface of the regulating box.

[0013] Preferably, the rotating assembly includes a knob threadedly connected to the top of the body, a cap is fixed to the top of the knob, a pressure plate is fixed to the bottom of the knob, the pressure plate is located in the body, and the bottom surface of the pressure plate abuts against the valve stem.

[0014] Preferably, a slide is fixedly connected to the side wall of the valve stem, and the slide is slidably connected to the inner wall of the body. A first spring is sleeved on the side wall of the valve stem, the top of the first spring is fixedly connected to the slide, and the bottom of the first spring is fixedly connected to the inner wall of the body.

[0015] Preferably, the buffer assembly includes a wedge block, and a second groove is symmetrically opened on the bottom side wall of the body, the wedge block is partially located in the second groove and is slidably connected to the second groove, a fixed plate is vertically fixed in the second groove, a sliding column is provided through the center of the fixed plate, the sliding column is slidably connected to the fixed plate, and one end of the sliding column away from the fixed plate is fixed to the wedge block, and a second spring is sleeved on the side wall of the sliding column, one end of the second spring is fixed to the fixed plate, and the other end of the second spring is fixed to the wedge block.

[0016] The present invention discloses the following technical effects: Oil enters the main body through the oil inlet pipe and flows into the regulating box. By rotating the rotary assembly, the valve stem is pushed to move vertically, so that the regulating structure in the regulating box accurately controls the oil flow. A fixed amount of oil flows from the regulating box into the oil outlet pipe and is then sprayed out from the bottom of the oil outlet pipe. During the spraying, the buffer assembly gathers the oil and acts as a buffer. The present invention can accurately adjust the oil flow, ensure the normal operation of the engine, reduce the number of maintenance times, avoid oil waste, save costs, and has strong applicability and can be used in various environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 For the present invention Figure 1 A partial enlarged view of middle A;

[0020] Figure 3 It is a structural schematic diagram of the regulating box of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the conversion box of the present invention;

[0022] Figure 5 It is a side view of the conversion box of the present invention;

[0023] Among them, 1. main body; 2. knob; 3. cap; 4. valve stem; 5. slide plate; 6. first spring; 7. oil inlet pipe; 8. regulating box; 9. oil outlet pipe; 10. flow limiting box; 11. through hole; 12. funnel; 13. piston; 14. connecting rod; 15. conversion box; 16. first gear; 17. first connecting shaft; 18. second gear; 19. second connecting shaft; 20. rack; 21. support rod; 22. tooth plate; 23. movable plate; 24. bottom plate; 25. ball; 26. first groove; 27. limit groove; 28. limit block; 29. ​​second groove; 30. fixed plate; 31. sliding column; 32. second spring; 33. wedge block; 34. pressure plate. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Reference Figure 1-5 The present invention provides an injector flow regulating device, comprising a body 1, a rotating assembly being installed on the top of the body 1, a valve stem 4 being vertically provided inside the body 1, the top of the valve stem 4 being in contact with the rotating assembly, the bottom of the valve stem 4 being fixedly connected to and communicated with a regulating box 8, an regulating mechanism being installed inside the regulating box 8, an oil inlet pipe 7 being fixedly connected to and communicated with the side wall of the body 1, the oil inlet pipe 7 extending into the body 1 and being fixedly connected to and communicated with the regulating box 8, an oil outlet pipe 9 being fixedly connected to and communicated with the bottom of the regulating box 8, buffer assemblies being provided on both sides of the bottom of the oil outlet pipe 9, and the buffer assemblies being embedded in the body 1.

[0027] Oil enters the main body 1 through the oil inlet pipe 7 and flows into the regulating box 8. By rotating the rotary assembly, the valve stem 4 is pushed vertically, so that the regulating structure in the regulating box 8 accurately controls the oil flow. A fixed amount of oil flows from the regulating box 8 into the oil outlet pipe 9 and is then sprayed out from the bottom of the oil outlet pipe 9. During the spraying, the buffer assembly gathers the oil and acts as a buffer. The present invention can accurately adjust the oil flow, ensure the normal operation of the engine, reduce the number of maintenance times, avoid oil waste, save costs, and has strong applicability and can be used in various environments.

[0028] A further optimized solution includes a regulating mechanism comprising a switching box 15 fixedly connected to the inner wall of regulating box 8. A drive assembly is mounted on top of switching box 15, which is in driving connection with valve stem 4. A sliding assembly is mounted within switching box 15, which engages with the driving assembly. The sliding assembly is fixedly connected to a connecting rod 14, which extends outside switching box 15 and is in driving connection with the regulating assembly. The regulating assembly is fixedly connected to and communicates with oil inlet pipe 7. When valve stem 4 moves, the drive assembly rotates, which in turn moves the sliding assembly within switching box 15, which in turn moves connecting rod 14 laterally. The movement of connecting rod 14 enables the regulating assembly to adjust the flow rate, enabling precise and efficient control of oil flow.

[0029] A further optimized solution is provided, in which the drive assembly includes a first gear 16 meshing with the sliding assembly, a first connecting shaft 17 being fixedly connected at the center of the first gear 16, the two ends of the first connecting shaft 17 being rotatably connected to the inner wall of the regulating box 8, a second gear 18 being meshed with the first gear 16, a second connecting shaft 19 being fixedly connected at the center of the second gear 18, the two ends of the second connecting shaft 19 being rotatably connected to the inner wall of the regulating box 8, a rack 20 being meshed on the side of the second gear 18 away from the first gear 16, and the rack 20 being fixedly connected to the valve stem 4. When the valve stem 4 moves, it drives the rack 20 to move in the vertical direction, the rack 20 drives the second gear 18 to rotate, the second gear 18 drives the first gear 16 to rotate, and the first gear 16 drives the sliding assembly to move, thereby completing the adjustment with high adjustment accuracy; the functions of the first connecting shaft 17 and the second connecting shaft 19 are, on the one hand, to limit the position of the first gear 16 and the second gear 18, and on the other hand, to improve their rotation performance and achieve a good transmission effect.

[0030] To further optimize the solution, the sliding assembly includes a tooth plate 22 engaged with the first gear 16, and a first groove 26 is provided on the top surface of the conversion box 15. The tooth plate 22 is located in the first groove 26, and limit blocks 28 are fixed on both sides of the tooth plate 22. Limit grooves 27 are symmetrically provided on both sides of the first groove 26. The limit blocks 28 are located in the limit grooves 27 and are slidably connected to the limit grooves 27. A movable plate 23 is fixed to the bottom of the tooth plate 22, and the movable plate 23 is located in the conversion box 15. The movable plate 23 is fixed to the connecting rod 14, and a bottom plate 24 is fixed to the bottom of the movable plate 23. The bottom plate 24 is adapted to the conversion box 15, and a number of balls 25 are embedded in the bottom surface of the conversion box 15. The bottom plate 24 is located on the balls 25 and is slidably connected to the balls 25. The first gear 16 drives the tooth plate 22 to move horizontally, and the tooth plate 22 drives the movable plate 23 and the connecting rod 14 to move horizontally. The movement of the connecting rod 14 enables the regulating assembly to complete the regulation of the flow rate; when the movable plate 23 moves, the bottom plate 24 moves accordingly. The size of the bottom plate 24 is the same as the size inside the conversion box 15, and it is limited to prevent it from offset during movement. At the same time, the bottom plate 24 fits with the ball 25. The setting of the ball 25 enhances the mobility and improves the transmission effect; the tooth plate 22 slides in the first groove 26, and the tooth plate 22 is limited in the up and down directions by the limit block 28 to prevent shaking from affecting the regulation effect.

[0031] A further optimized solution is that the regulating assembly includes a flow-limiting box 10 slidably connected to a connecting rod 14. The end of the connecting rod 14 away from the switching box 15 extends into the flow-limiting box 10 and is fixedly connected to a piston 13. The piston 13 is slidably connected to the inner wall of the flow-limiting box 10. A plurality of through-holes 11 are formed at the bottom of the flow-limiting box 10. The side of the flow-limiting box 10 away from the switching box 15 is fixedly connected to and communicates with the oil inlet pipe 7. When the connecting rod 14 moves, it drives the piston 13 to slide within the limit box. When the piston 13 slides to the right, the oil can only flow out from the through-hole 11 at the bottom right of the limit box. The closer the piston 13 is to the right, the smaller the flow rate, and vice versa. By providing the through-holes 11, the flow rate can be fine-tuned, thereby achieving the purpose of precise flow control.

[0032] In a further optimization, a funnel 12 abuts the bottom of the flow-limiting box 10, containing several through-holes 11. The bottom of the funnel 12 is fixedly connected to and communicates with the oil outlet pipe 9. All through-holes 11 are contained within the opening at the top of the funnel 12 to prevent oil leakage. A sealing layer is also provided where the funnel 12 contacts the flow-limiting box, further enhancing the seal. Oil flows from the through-holes 11 into the funnel 12, then from the funnel 12 into the oil outlet pipe 9, and is ejected from the oil outlet pipe 9, thus completing the oil injection process.

[0033] Further optimization scheme, the top surface of the current limiting box 10 is symmetrically fixed with support rods 21, and the tops of the two support rods 21 are fixed to the top surface of the regulating box 8. The support rods 21 support and fix the limit box to prevent movement and affect normal work.

[0034] In a further optimized solution, the rotating assembly includes a knob 2 threadedly connected to the top of the body 1, a cap 3 fixed to the top of the knob 2, and a pressure plate 34 fixed to the bottom of the knob 2. The pressure plate 34 is located inside the body 1, and the bottom surface of the pressure plate 34 abuts the valve stem 4. Because the knob 2 is threadedly connected to the body 1, rotating the knob 2 can cause it to move vertically, thereby causing the pressure plate 34 to push the valve stem 4 to move, thereby completing the adjustment work.

[0035] A further optimized solution is that a slide plate 5 is fixedly connected to the side wall of the valve stem 4, and the slide plate 5 is slidably connected to the inner wall of the body 1. A first spring 6 is sleeved on the side wall of the valve stem 4, the top of the first spring 6 is fixedly connected to the slide plate 5, and the bottom of the first spring 6 is fixedly connected to the inner wall of the body 1. When the knob 2 moves downward, it drives the pressure plate 34 to squeeze the valve stem 4 downward, causing the valve stem 4 to move downward. When reverse adjustment is required, it is only necessary to turn the knob 2 upward, and the valve stem 4 is driven upward by the reaction force of the first spring 6. The provision of the slide plate 5 limits the valve stem 4 to prevent any shaking that would affect the adjustment operation. At the same time, it is used to withstand the reaction force of the first spring 6, thereby driving the valve stem 4 upward, facilitating the smooth operation of the entire operation.

[0036] A further optimized solution is provided, in which the buffer assembly includes a wedge block 33, and a second groove 29 is symmetrically provided on the bottom side wall of the main body 1. The wedge block 33 is partially located in the second groove 29 and is slidably connected to the second groove 29. A fixed plate 30 is vertically fixed in the second groove 29, and a sliding column 31 is provided through the center of the fixed plate 30. The sliding column 31 is slidably connected to the fixed plate 30. One end of the sliding column 31 away from the fixed plate 30 is fixed to the wedge block 33, and a second spring 32 is provided on the side wall of the sliding column 31. One end of the second spring 32 is fixed to the fixed plate 30, and the other end of the second spring 32 is fixed to the wedge block 33. When the amount of oil at the oil outlet pipe 9 is too large, it impacts the wedge block 33. The wedge block 33 is forced to move into the second groove 29, driving the sliding column 31 to move into the second groove 29. At this time, the second spring 32 is in a compressed state, which will exert a reverse force on the wedge block 33 to move it out of the second groove 29. This reciprocating process buffers the oil body. The fixed plate 30 can provide a good fulcrum for the second spring 32 and limit the sliding column 31 so that the wedge block 33 can only move horizontally, preventing the wedge block 33 from being offset and stuck in the second groove 29, thereby facilitating smooth work.

[0037] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A fuel injector flow regulating device, characterized in that: The invention comprises a body (1), a rotating assembly is installed on the top of the body (1), a valve stem (4) is vertically provided in the body (1), the top of the valve stem (4) is in contact with the rotating assembly, the bottom of the valve stem (4) is fixedly connected to and communicated with a regulating box (8), an adjusting mechanism is installed in the regulating box (8), the side wall of the body (1) is fixedly connected to and communicated with an oil inlet pipe (7), the oil inlet pipe (7) extends into the body (1) and is fixedly connected to and communicated with the regulating box (8), the bottom of the regulating box (8) is fixedly connected to and communicated with an oil outlet pipe (9), buffer assemblies are provided on both sides of the bottom of the oil outlet pipe (9), and the buffer assemblies are embedded in the body (1); The regulating mechanism comprises a conversion box (15) fixedly connected to the inner wall of the regulating box (8), a driving assembly is provided on the top of the conversion box (15), the driving assembly is in transmission connection with the valve stem (4), a sliding assembly is installed in the conversion box (15), the sliding assembly is engaged with the driving assembly, the sliding assembly is fixedly connected to a connecting rod (14), the connecting rod (14) extends out of the conversion box (15) and is in transmission connection with the regulating assembly, the regulating assembly is fixedly connected to and communicated with the oil inlet pipe (7); the driving assembly comprises a first engaging member with the sliding assembly Gear (16), the center of the first gear (16) is fixedly connected to a first connecting shaft (17), both ends of the first connecting shaft (17) are rotatably connected to the inner wall of the regulating box (8), the first gear (16) is meshed with a second gear (18), the center of the second gear (18) is fixedly connected to a second connecting shaft (19), both ends of the second connecting shaft (19) are rotatably connected to the inner wall of the regulating box (8), the side of the second gear (18) away from the first gear (16) is meshed with a rack (20), and the rack (20) is fixedly connected to the valve stem (4); The sliding assembly includes a toothed plate (22) meshed with the first gear (16), a first groove (26) is provided on the top surface of the conversion box (15), the toothed plate (22) is located in the first groove (26), and limiting blocks (28) are fixed on both sides of the toothed plate (22), and limiting grooves (27) are symmetrically provided on both sides of the first groove (26), the limiting blocks (28) are located in the limiting grooves (27) and are slidably connected to the limiting grooves (27), and the toothed plate (22) A movable plate (23) is fixedly connected to the bottom, the movable plate (23) is located in the conversion box (15), the movable plate (23) is fixedly connected to the connecting rod (14), a bottom plate (24) is fixedly connected to the bottom of the movable plate (23), the bottom plate (24) is adapted to the conversion box (15), a plurality of balls (25) are embedded in the bottom surface of the conversion box (15), the bottom plate (24) is located on the balls (25) and is slidably connected to the balls (25).

2. The fuel injector flow regulating device according to claim 1, characterized in that: The regulating assembly comprises a flow limiting box (10) slidably connected to the connecting rod (14); one end of the connecting rod (14) away from the conversion box (15) extends into the flow limiting box (10) and is fixedly connected to a piston (13); the piston (13) is slidably connected to the inner wall of the flow limiting box (10); a plurality of through holes (11) are provided at the bottom of the flow limiting box (10); and the side of the flow limiting box (10) away from the conversion box (15) is fixedly connected to and communicated with the oil inlet pipe (7).

3. The fuel injector flow regulating device according to claim 2, characterized in that: The bottom of the flow limiting box (10) is abutted against a funnel (12), a plurality of the through holes (11) are contained in the funnel (12), and the bottom of the funnel (12) is fixedly connected to and communicated with the oil outlet pipe (9).

4. The fuel injector flow regulating device according to claim 2, characterized in that: The top surface of the current limiting box (10) is symmetrically fixed with support rods (21), and the tops of the two support rods (21) are fixed to the inner top surface of the regulating box (8).

5. The fuel injector flow regulating device according to claim 1, characterized in that: The rotating assembly includes a knob (2) threadedly connected to the top of the body (1), a cap (3) fixed to the top of the knob (2), a pressure plate (34) fixed to the bottom of the knob (2), the pressure plate (34) located in the body (1), and the bottom surface of the pressure plate (34) abuts against the valve stem (4).

6. The fuel injector flow regulating device according to claim 5, characterized in that: The side wall of the valve stem (4) is fixedly connected with a slide plate (5), and the slide plate (5) is slidably connected to the inner wall of the body (1). The side wall of the valve stem (4) is sleeved with a first spring (6), the top of the first spring (6) is fixedly connected to the slide plate (5), and the bottom of the first spring (6) is fixedly connected to the inner wall of the body (1).

7. The fuel injector flow regulating device according to claim 1, characterized in that: The buffer assembly includes a wedge block (33), and a second groove (29) is symmetrically opened on the side wall of the bottom of the body (1). The wedge block (33) is partially located in the second groove (29) and is slidably connected to the second groove (29). A fixed plate (30) is vertically fixed in the second groove (29). A sliding column (31) is provided through the center of the fixed plate (30). The sliding column (31) is slidably connected to the fixed plate (30). One end of the sliding column (31) away from the fixed plate (30) is fixed to the wedge block (33). A second spring (32) is sleeved on the side wall of the sliding column (31). One end of the second spring (32) is fixed to the fixed plate (30), and the other end of the second spring (32) is fixed to the wedge block (33).

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