Novel hydraulic coupling oil sprayer

Abstract

The utility model discloses a novel hydraulic coupling oil sprayer which comprises an outer box, a hydraulic coupler is fixedly installed on the inner top of the outer box, a hydraulic oil pipe is fixedly installed on one side of the surface of the outer box in a penetrating mode, the oil outlet amount is accurately controlled through the hydraulic coupler, and an oil sprayer is fixedly installed at the bottom of the outer box. A first spring is fixedly installed at the bottom of the hydraulic coupler, an armature with a ball valve is fixedly installed at the bottom end of the first spring, and the bottom end of the armature penetrates through the outer box and extends into the oil sprayer. Through the arrangement of the first limiting block, the second limiting block, the limiting column and other structures, the limiting column slides between the first limiting block and the second limiting block, the limiting groove is used for limiting, the acting force of the spring is used, the oil injection nozzle is convenient to disassemble and assemble, blockage can be cleaned in time, and the service life of the oil injection nozzle is prolonged. Normal use of the hydraulic coupling oil sprayer is not affected, and use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel injectors, in particular to a novel hydraulic coupling fuel injector. Background Art

[0002] The hydraulically coupled injector is a fuel injection device for internal combustion engines. It uses hydraulic coupling to achieve precise control and efficient injection of fuel. The application field of hydraulically coupled injectors is very wide. It is mainly used in internal combustion engines of vehicles such as automobiles, ships, and airplanes, as well as various internal combustion engines in the industrial field. With the development of science and technology, the performance of hydraulically coupled injectors is also constantly improving, providing a more reliable guarantee for the operation of internal combustion engines.

[0003] In the prior art, the nozzles of hydraulically coupled fuel injectors are mostly fixed structures, and the nozzles cannot be disassembled and replaced. Long-term use may cause impurities to adhere inside the nozzles, and if not cleaned in time, it may easily cause blockage, affecting the normal use of the hydraulically coupled fuel injectors and increasing the cost of use. For this reason, we propose a new type of hydraulically coupled fuel injector. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the nozzles of hydraulically coupled fuel injectors are mostly fixed structures, and the nozzles cannot be disassembled and replaced. Long-term use may cause impurities to adhere to the inside of the nozzles, which may easily cause blockage if not cleaned in time, affecting the normal use of the hydraulically coupled fuel injectors and increasing the cost of use. For this reason, we propose a new type of hydraulically coupled fuel injector.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a new type of hydraulic coupling injector, including an outer box, a hydraulic coupler is fixedly installed on the inner top of the outer box, a hydraulic oil pipe is fixedly installed through one side of the surface of the outer box, and the oil output is accurately controlled by the hydraulic coupler, the bottom of the outer box is fixedly installed with the injector, the bottom of the hydraulic coupler is fixedly installed with a first spring, the bottom end of the first spring is fixedly installed with an armature with a ball valve, the bottom end of the armature passes through the outer box and extends to the inside of the injector, the inside of the injector is fixedly connected with an injection assembly, and the oil injection can be automatically performed;

[0006] Two box bodies are fixedly installed on the surface of the injector, and sliders are slidably installed inside the two box bodies. Long rods are rotatably installed on one side of the surface of the two sliders, and the other ends of the surfaces of the two long rods are fixedly connected to limiting columns. First limiting blocks are fixedly installed on the inner side walls of the two box bodies, and the fuel injector can be limited and fixed. Limiting grooves are fixedly provided on the bottoms of the two first limiting blocks, and second limiting plates are fixedly installed on the inner bottoms of the two box bodies. Baffles are fixedly installed on the tops of the two box bodies, and clamping plates are rotatably installed on both sides of the surfaces of the two sliders. One side of the surface of the two clamping plates cooperates with the top of the baffle to facilitate the replacement of the fuel injector.

[0007] Preferably, a fourth spring is fixedly installed between the two slide blocks and the box body, and a third spring is fixedly installed between the plurality of clamping plates and the box body, which can provide a rebound force for the disassembly of the fuel injector.

[0008] Preferably, the fuel injection assembly includes a mounting frame, the surface of the mounting frame is fixedly connected to the inner wall of the fuel injector, a release control hole is opened through the top of the mounting frame, an oil return port is opened on the top of the mounting frame, a needle valve is slidably installed inside the mounting frame, a second spring is installed on the outer sleeve of the needle valve, the two ends of the second spring are respectively fixedly connected to the inner bottom of the mounting frame and the surface of the needle valve, an oil storage tank is opened at the bottom of the mounting frame, a circular notch is opened at the bottom of the oil storage tank, a fuel injection nozzle is fixedly installed on the inner side wall of the circular notch, and a hydraulic oil pipe is fixedly installed on the inner side wall of the mounting frame, so that the fuel injection can be opened and closed.

[0009] Preferably, an oil inlet is opened on one side of the surface of the release control hole, and an oil inlet pipe is fixedly installed on the inner side wall of the oil inlet to supply oil to the injector.

[0010] Preferably, a rubber sealing ring is fixedly installed at the connection between the circular notch and the fuel injector to seal the connection between the fuel injector and the fuel injector.

[0011] Preferably, two L-shaped connecting frames are fixedly installed on the surface of the fuel injector, and one end of the two L-shaped connecting frames is respectively fixedly installed between each group of clamping plates to fix the fuel injector.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model provides a first limit block, a second limit block and a limit column structure, utilizes the limit column to slide between the first limit block and the second limit block, and limits the position through the limit groove and the action of the spring, so as to facilitate the disassembly and installation of the fuel injector, and can clean up the blockage in time to avoid affecting the normal use of the hydraulic coupling fuel injector, thereby reducing the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of a novel hydraulically coupled fuel injector of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a novel hydraulic coupling injector of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a new type of hydraulic coupling fuel injector after the fuel injection nozzle is installed;

[0017] Figure 4 The utility model is a schematic diagram of the structure of a novel hydraulic coupling fuel injector before the fuel injection nozzle is installed.

[0018] In the figure: 1. outer box; 2. hydraulic oil pipe; 3. oil inlet; 4. hydraulic coupler; 5. mounting frame; 6. first spring; 7. armature; 8. release control hole; 9. injector; 10. oil storage tank; 11. needle valve; 12. second spring; 13. third spring; 14. injector nozzle; 15. clamping plate; 16. fourth spring; 17. oil inlet pipe; 18. box body; 19. slider; 20. first limit block; 21. long rod; 22. limit groove; 23. limit column; 24. second limit plate; 25. baffle. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] See also Figure 1 - Figure 4 A novel hydraulic coupling fuel injector comprises an outer box 1, a hydraulic coupler 4 is fixedly installed on the inner top of the outer box 1, a hydraulic oil pipe 2 is fixedly installed through one side of the surface of the outer box 1, and the oil output is accurately controlled by the hydraulic coupler 4, an injector 9 is fixedly installed on the bottom of the outer box 1, a first spring 6 is fixedly installed on the bottom of the hydraulic coupler 4, an armature 7 with a ball valve is fixedly installed on the bottom end of the first spring 6, the bottom end of the armature 7 passes through the outer box 1 and extends to the inside of the injector 9, and the inside of the injector 9 is fixedly connected with a fuel injection assembly, which can automatically inject fuel;

[0021] Two box bodies 18 are fixedly installed on the surface of the injector 9, and sliders 19 are slidably installed inside the two box bodies 18. Long rods 21 are rotatably installed on one side of the surface of the two sliders 19, and the other ends of the surfaces of the two long rods 21 are fixedly connected to limiting columns 23. The inner side walls of the two box bodies 18 are fixedly installed with first limiting blocks 20, which can limit and fix the injector 14. The bottoms of the two first limiting blocks 20 are fixedly provided with limiting grooves 22, and the inner bottoms of the two box bodies 18 are fixedly installed with second limiting plates 24. The tops of the two box bodies 18 are fixedly installed with baffles 25. Clamping plates 15 are rotatably installed on both sides of the surfaces of the two sliders 19, and one side of the surface of the two clamping plates 15 cooperates with the top of the baffle 25, which can facilitate the replacement of the injector 14.

[0022] like Figure 1 and Figure 2 As shown, the fuel injection assembly includes a mounting frame 5, the surface of the mounting frame 5 is fixedly connected to the inner side wall of the fuel injector 9, a release control hole 8 is opened through the top of the mounting frame 5, an oil return port is opened on the top of the mounting frame 5, a needle valve 11 is slidably installed inside the mounting frame 5, a second spring 12 is installed on the outer sleeve of the needle valve 11, and the two ends of the second spring 12 are respectively fixedly connected to the inner bottom of the mounting frame 5 and the surface of the needle valve 11, an oil storage tank 10 is opened at the bottom of the mounting frame 5, a circular notch is opened at the bottom of the oil storage tank 10, and a fuel injection nozzle 14 is fixedly installed on the inner side wall of the circular notch, which can be opened and closed for fuel injection, and the surface of the fuel injection nozzle 14 is fixed Two L-shaped connecting frames are fixedly installed, and one end of the two L-shaped connecting frames is fixedly installed between each group of clamping plates 15 to fix the fuel injector 14. A fourth spring 16 is fixedly installed between the two sliders 19 and the box body 18. A third spring 13 is fixedly installed between multiple clamping plates 15 and the box body 18 to provide resilience for the disassembly of the fuel injector 14. An oil inlet 3 is opened on one side of the surface of the release control hole 8, and an oil inlet pipe 17 is fixedly installed on the inner side wall of the oil inlet 3 to supply oil to the fuel injector 9. A rubber sealing ring is fixedly installed at the connection between the circular groove and the fuel injector 14 to seal the connection between the fuel injector 14 and the fuel injector 9.

[0023] When the utility model is in use, oil is injected into the inside of the fuel injector 9 through the oil inlet pipe 17, and the hydraulic oil is injected into the hydraulic coupler 4 through the hydraulic oil pipe 2, and the hydraulic coupler 4 is started. The hydraulic coupler 4 drives the armature 7 to move upward, squeezes the first spring 6, and makes the armature 7 leave the release control hole 8, reducing the pressure, so that the needle valve 11 rises, and at the same time squeezes the second spring 12, and the needle valve 11 is separated from the fuel injection nozzle 14, so that the fuel injection can be carried out. After use, the first spring 6 and the second spring 12 rebound to block the fuel injection nozzle 14. When the fuel injection nozzle 14 needs to be replaced and cleaned, the fuel injection nozzle 14 is pressed, and the fuel injection nozzle 14 drives the oil storage tank 10 to move, and the oil storage tank 10 drives the slider 19 slides, the slider 19 drives the long rod 21 to slide, and the long rod 21 drives the limiting column 23 to slide along the second limiting plate 24, and through the rebound of the fourth spring 16, the slider 19 rises, and the slider 19 drives the clamping plate 15 to rise, so that the clamping plate 15 is separated from the oil storage tank 10, and the fuel injector 14 can be quickly disassembled. After cleaning, the oil storage tank 10 is pressed into the inside of the baffle 25, and the limiting column 23 is inserted into the limiting groove 22 along the second limiting plate 24 and the first limiting block 20, so that the clamping plate 15 clamps the oil storage tank 10, and through the sealing ring fixedly installed in the circular groove, the fuel injector 14 is firmly fixed to the oil storage tank 10, and the installation of the fuel injector 14 is quickly completed.

[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A novel hydraulically coupled fuel injector, comprising an outer box (1), characterized in that: A hydraulic coupler (4) is fixedly mounted on the inner top of the outer box (1), a hydraulic oil pipe (2) is fixedly mounted through one side of the surface of the outer box (1), an injector (9) is fixedly mounted on the bottom of the outer box (1), a first spring (6) is fixedly mounted on the bottom of the hydraulic coupler (4), an armature (7) with a ball valve is fixedly mounted on the bottom end of the first spring (6), the bottom end of the armature (7) passes through the outer box (1) and extends to the inside of the injector (9), and an injection assembly is fixedly connected to the inside of the injector (9); Two box bodies (18) are fixedly mounted on the surface of the fuel injector (9), and sliders (19) are slidably mounted inside the two box bodies (18). Long rods (21) are rotatably mounted on one side of the surface of the two sliders (19), and the other ends of the surfaces of the two long rods (21) are fixedly connected to limiting columns (23). First limiting blocks (20) are fixedly mounted on the inner side walls of the two box bodies (18), and limiting grooves (22) are fixedly provided at the bottoms of the two first limiting blocks (20). Second limiting plates (24) are fixedly mounted on the inner bottoms of the two box bodies (18), and baffles (25) are fixedly mounted on the tops of the two box bodies (18). Clamping plates (15) are rotatably mounted on both sides of the surfaces of the two sliders (19), and one side of the surfaces of the two clamping plates (15) cooperates with the top of the baffle (25).

2. A novel hydraulic coupled fuel injector according to claim 1, characterized in that: A fourth spring (16) is fixedly installed between the two sliders (19) and the box body (18), and a third spring (13) is fixedly installed between the plurality of clamping plates (15) and the box body (18).

3. A novel hydraulic coupled fuel injector according to claim 1, characterized in that: The oil injection assembly comprises a mounting frame (5), the surface of the mounting frame (5) is fixedly connected to the inner wall of the oil injector (9), a release control hole (8) is formed through the top of the mounting frame (5), an oil return port is formed on the top of the mounting frame (5), a needle valve (11) is slidably mounted inside the mounting frame (5), a second spring (12) is sleeved and mounted outside the needle valve (11), two ends of the second spring (12) are respectively fixedly connected to the inner bottom of the mounting frame (5) and the surface of the needle valve (11), an oil storage tank (10) is formed at the bottom of the mounting frame (5), a circular notch is formed at the bottom of the oil storage tank (10), an oil injection nozzle (14) is fixedly mounted on the inner wall of the circular notch, and a hydraulic oil pipe (2) is fixedly mounted on the inner wall of the mounting frame (5).

4. A novel hydraulic coupled fuel injector according to claim 3, characterized in that: An oil inlet (3) is provided on one side of the surface of the release control hole (8), and an oil inlet pipe (17) is fixedly mounted on the inner side wall of the oil inlet (3).

5. A novel hydraulic coupled fuel injector according to claim 3, characterized in that: A rubber sealing ring is fixedly installed at the connection between the circular notch and the fuel injection nozzle (14).

6. A novel hydraulically coupled fuel injector according to claim 5, characterized in that: Two L-shaped connecting frames are fixedly mounted on the surface of the fuel injection nozzle (14), and one end of the two L-shaped connecting frames is respectively fixedly mounted between each group of clamping plates (15).

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