VE pump applied to diesel engine

Abstract

The utility model relates to the technical field of VE pumps for diesel engines, and discloses a VE pump applied to a diesel engine, which comprises a pump body, a connecting pipe and a conveying box, and the conveying pipe penetrates through the conveying box and is fixedly connected with the conveying pipe. A pressing rod fixed to the surface of a pressing plate is stressed to move into a fixing frame, fixing teeth fixed to the surface of the pressing rod slide on the surface of a gear, the gear is stressed to drive a cylinder to rotate, a round rod fixed to the surface of the cylinder synchronously performs circular motion, and when the round rod rotates, a round plate fixed to the surface of the round rod synchronously moves. And in the rotating process of the rapping rod, the surfaces of the sliding plate and the scraping plate can be continuously knocked, impurities adhering to the surface of the scraping plate can fall off due to vibration, and the situation that the impurities are attached to the surface of the filtering plate again, and consequently the filtering plate is blocked can be avoided in the mode.

Description

Technical Field

[0001] The utility model relates to the technical field of VE pumps for diesel engines, and specifically to a VE pump applied to a diesel engine. Background Technique

[0002] A diesel engine is an internal combustion engine that ignites diesel by raising the temperature through compressed air to achieve a working cycle. During the operation of the diesel engine, a VE pump will be used.

[0003] The VE pump can accurately control the fuel injection volume and injection timing, enabling the fuel to burn more fully in the cylinder, improving the combustion efficiency and power output. At the same time, it can flexibly adjust the fuel supply according to the speed and load changes of the diesel engine, ensuring good performance and fuel economy under various working conditions.

[0004] The inside of the VE pump contains many precision moving parts, such as plungers, fuel injection valves, etc. In a sludge pump with a screening structure (publication number: CN219865490U) disclosed, in the above application, a motor is used to drive a rotating rod and a screening plate to rotate, scraping off larger impurities that fall on the screen. However, during the continuous circular motion of the screening plate in this application, during the scraping process of the impurities, they are extremely likely to stick to the surface of the screening plate again and then adhere to the surface of the screen again. In response to this problem, we propose a VE pump applied to a diesel engine. Content of the Utility Model

[0005] The purpose of the utility model is to provide a VE pump applied to a diesel engine to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A VE pump applied to a diesel engine, including a pump body, a connecting pipe, and a delivery tank. The delivery tank is penetrated by a delivery pipe and fixedly connected to the delivery pipe. A support is fixedly installed at the bottom of the delivery tank. A recovery frame is arranged on the surface of the support. A support frame is fixedly installed on the surface of the delivery tank. A filter plate is fixedly installed on the inner wall of the delivery tank. A guide plate is fixedly installed on the inner wall of the delivery tank. A fixing rod is fixedly installed on the inner wall of the delivery tank. A control component is arranged inside the delivery tank. A driven component is arranged inside the support frame. The control component includes:

[0007] A knocking rod, the knocking rod is hinged to a circular plate. One side of the circular plate is fixedly connected to one side of a torsion spring, and the other side of the torsion spring is fixedly installed on the surface of the knocking rod;

[0008] A round rod that passes through a round plate and is fixedly connected to the round plate. The round rod passes through a fixed frame and is rotatably connected to the fixed frame. A cylinder is fixedly installed on the surface of the round rod. The cylinder passes through a gear and is fixedly connected to the gear. The cylinder is rotatably connected to the inner wall of the fixed frame;

[0009] A driving member. A driving member for rotating the gear is provided inside the fixed frame. This way can avoid the situation that impurities adhere to the surface of the filter plate again and cause the filter plate to be blocked.

[0010] Preferably, the driving member includes: fixed teeth fixedly installed on the surface of a pressure rod. The fixed teeth are engaged with the gear. The pressure rod passes through the fixed frame and is slidably connected to the fixed frame. A pressing plate is fixedly installed on the surface of the pressure rod. When the pressure rod moves, the fixed teeth can slide on the surface of the gear.

[0011] Preferably, a support block is fixedly installed on the surface of the pressure rod. One end of a spring is fixedly connected to the surface of the support block, and the other end of the spring is fixedly installed on the inner wall of the fixed frame. When the pressure rod moves, the support block fixed on the surface of the pressure rod can move under the support of the spring.

[0012] Preferably, a sliding groove is formed on the inner wall of the fixed frame. The setting of the sliding groove can ensure the stable movement of the support frame and the pressure rod.

[0013] Preferably, the driven assembly includes: a threaded rod that passes through the support frame and is rotatably connected to the support frame. A motor is fixedly installed on the surface of the support frame. The output shaft of the motor is fixedly connected to the surface of the threaded rod. The output shaft of the motor can drive the threaded rod to perform circular motion inside the support frame.

[0014] Preferably, the threaded rod passes through a slider and is threadedly connected to the slider. The slider is slidably connected to the inner wall of the support frame. When the threaded rod rotates, the slider can slide inside the support frame.

[0015] Preferably, a sliding plate is fixedly installed on the surface of the slider. A scraping plate is fixedly installed on the surface of the sliding plate. The surface of the slider is rotatably connected to the surface of the round rod. When the slider moves, the sliding plate can drive the scraping plate to move horizontally on the surface of the filter plate.

[0016] Compared with the prior art, the present invention provides a VE pump applied to a diesel engine, having the following beneficial effects:

[0017] 1. For the VE pump applied to a diesel engine, by providing a control component, when the pressing plate touches the surface of the fixed rod, the pressing rod fixed on the surface of the pressing plate is forced to move into the fixed frame. The fixed teeth fixed on the surface of the pressing rod slide on the surface of the gear, and the gear drives the cylinder to rotate under force. The round rod fixed on the surface of the cylinder synchronously performs circular motion. When the round rod rotates, the round plate fixed on the surface of the round rod moves synchronously. During the rotation of the knocking rod, it can continuously knock the surfaces of the sliding plate and the scraping plate, so that the impurities adhered to the surface of the scraping plate can fall off due to vibration. This method can avoid the situation that impurities adhere to the surface of the filter plate again and cause blockage of the filter plate.

[0018] 2. For the VE pump applied to a diesel engine, by providing a driven component, when the output shaft of the motor drives the threaded rod to rotate in the support frame, the slider is forced to move horizontally in the support frame, and the sliding plate and the scraping plate fixed on the surface of the slider move synchronously. During the movement of the scraping plate, it scrapes the impurities adhered to the surface of the filter plate. At the same time, this method can realize the all-round distribution of diesel on the surface of the filter plate, so as to improve the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front view structural schematic diagram of the present utility model;

[0020] Figure 2 is a front view sectional structural schematic diagram of the present utility model;

[0021] Figure 3 is a rear view structural schematic diagram of the present utility model;

[0022] Figure 4 is a sectional structural schematic diagram of the delivery box of the present utility model;

[0023] Figure 5 is a structural schematic diagram of the control component of the present utility model;

[0024] Figure 6 is a sectional structural schematic diagram of the fixed frame of the present utility model.

[0025] In the figure: 1. Pump body; 2. Connecting pipe; 3. Delivery box; 4. Delivery pipe; 5. Support frame; 6. Support; 7. Recovery box; 8. Control component; 81. Knocking rod; 82. Torsion spring; 83. Round plate; 84. Round rod; 85. Fixed frame; 86. Cylinder; 87. Gear; 88. Pushing member; 881. Fixed teeth; 882. Pressing rod; 883. Pressing plate; 884. Support block; 885. Spring; 886. Chute; 9. Driven component; 91. Motor; 92. Threaded rod; 93. Slider; 94. Sliding plate; 95. Scraping plate; 10. Filter plate; 11. Guide plate; 12. Fixed rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Such asFigures 1 - 6 As shown in the figure, the utility model provides a technical solution: a VE pump applied to a diesel engine, which includes a pump body 1, a connecting pipe 2, and a delivery tank 3. The delivery tank 3 is penetrated by a delivery pipe 4 and fixedly connected to the delivery pipe 4. A support 6 is fixedly installed at the bottom of the delivery tank 3. A recovery frame 7 is arranged on the surface of the support 6. A support frame 5 is fixedly installed on the surface of the delivery tank 3. A filter plate 10 is fixedly installed on the inner wall of the delivery tank 3. A guide plate 11 is fixedly installed on the inner wall of the delivery tank 3. A fixing rod 12 is fixedly installed on the inner wall of the delivery tank 3. A control component 8 is arranged in the delivery tank 3. A driven component 9 is arranged in the support frame 5. The control component 8 includes: a knocking rod 81, a torsion spring 82, a circular plate 83, a circular rod 84, a fixing frame 85, a cylinder 86, a gear 87, and a pushing member 88.

[0027] The knocking rod 81 is hinged to the circular plate 83. One side of the circular plate 83 is fixedly connected to the torsion spring 82. The other side of the torsion spring 82 is fixedly installed on the surface of the knocking rod 81. The circular rod 84 penetrates the circular plate 83 and is fixedly connected to the circular plate 83. The circular rod 84 penetrates the fixing frame 85 and is rotatably connected to the fixing frame 85. A cylinder 86 is fixedly installed on the surface of the circular rod 84. The cylinder 86 penetrates the gear 87 and is fixedly connected to the gear 87. The cylinder 86 is rotatably connected to the inner wall of the fixing frame 85. A pushing member 88 for driving the gear 87 to rotate is arranged in the fixing frame 85. The circular rod 84 fixed on the surface of the cylinder 86 performs a circular motion synchronously. When the circular rod 84 rotates, the circular plate 83 fixed on the surface of the circular rod 84 moves synchronously. The knocking rod 81 connected to the surface of the circular plate 83 moves synchronously. During the rotation of the knocking rod 81, the surfaces of the slide plate 94 and the scraping plate 95 can be continuously knocked. Then, the impurities adhering to the surface of the scraping plate 95 can fall off due to vibration. This method can prevent the impurities from adhering to the surface of the filter plate 10 again and causing the blockage of the filter plate 10.

[0028] The driving member 88 includes: a fixed tooth 881 fixedly installed on the surface of the pressing rod 882. The fixed tooth 881 meshes with the gear 87. The pressing rod 882 penetrates through the fixed frame 85 and is slidably connected to the fixed frame 85. A pressing plate 883 is fixedly installed on the surface of the pressing rod 882. When the pressing rod 882 moves, the fixed tooth 881 can slide on the surface of the gear 87. A support block 884 is fixedly installed on the surface of the pressing rod 882. One end of a spring 885 is fixedly connected to the surface of the support block 884, and the other end of the spring 885 is fixedly installed on the inner wall of the fixed frame 85. When the pressing rod 882 moves, the support block 884 fixed on the surface of the pressing rod 882 can move under the support of the spring 885. A sliding groove 886 is formed on the inner wall of the fixed frame 85. The arrangement of the sliding groove 886 can ensure the stable movement of the support block 884 and the pressing rod 882. The driven assembly 9 includes: a threaded rod 92 that penetrates through the support frame 5 and is rotatably connected to the support frame 5. A motor 91 is fixedly installed on the surface of the support frame 5. The output shaft of the motor 91 is fixedly connected to the surface of the threaded rod 92. The output shaft of the motor 91 can drive the threaded rod 92 to perform circular motion within the support frame 5. The threaded rod 92 penetrates through the slider 93 and is threadedly connected to the slider 93. The slider 93 is slidably connected to the inner wall of the support frame 5. When the threaded rod 92 rotates, the slider 93 can slide within the support frame 5. A sliding plate 94 is fixedly installed on the surface of the slider 93. A scraping plate 95 is fixedly installed on the surface of the sliding plate 94. The surface of the slider 93 is rotatably connected to the surface of the round rod 84. When the slider 93 moves, the sliding plate 94 can drive the scraping plate 95 to perform lateral movement on the surface of the filter plate 10.

[0029] In the present utility model, during use, the pipeline on the surface of the fuel tank is connected to the delivery pipe 4, and the diesel in the fuel tank enters the delivery tank 3 through the delivery pipe 4. The filter plate 10 in the delivery tank 3 filters impurities and particulate matters in the diesel. The filtered impurities stay on the surface of the filter plate 10, and the filtered diesel can be transported into the pump body 1 through the connecting pipe 2. During the filtering process, the motor 91 on the surface of the support frame 5 is started. The output shaft of the motor 91 drives the threaded rod 92. When the threaded rod 92 rotates, the slider 93 slides in the support frame 5 under force. The slide plate 94 fixed on the surface of the slider 93 can drive the scraper 95 to move horizontally on the surface of the filter plate 10. When the scraper 95 moves, it scrapes the impurities adhering to the surface of the filter plate 10. At the same time, this method can achieve the all-round distribution of diesel on the surface of the filter plate 10. When the scraper 95 pushes the impurities to the guide plate 11, the impurities fall into the recovery frame 7 for centralized collection. When the scraper 95 moves to the left inner wall of the delivery tank 3, the fixed rod 12 will contact the surface of the pressing plate 883. When the pressing plate 883 is contacted, the pressing rod 882 fixed on the surface of the pressing plate 883 moves into the fixed frame 85 under force. When the pressing rod 882 moves, the support block 884 moves in the chute 886 under the support of the spring 885. When the pressing rod 882 moves, the fixed tooth 881 fixed on the surface of the pressing rod 882 slides on the surface of the gear 87 synchronously. The gear 87 is forced to drive the cylinder 86 to rotate. The round rod 84 fixed on the surface of the cylinder 86 rotates in a circular motion synchronously. When the round rod 84 rotates, the round plate 83 fixed on the surface of the round rod 84 moves synchronously. The knocking rod 81 connected to the surface of the round plate 83 moves synchronously. During the rotation process of the knocking rod 81, it can continuously knock on the surfaces of the slide plate 94 and the scraper 95, so that the impurities adhering to the surface of the scraper 95 can fall due to vibration. This method can avoid the situation that impurities adhere to the surface of the filter plate 10 again and cause blockage of the filter plate 10. When the pump body 1 works, the drive shaft drives the internal rotor to rotate. Several plungers are installed on the rotor. As the rotor rotates, the plungers move reciprocally in the plunger sleeves under the action of centrifugal force and oil pressure. When the plunger moves outwards, the inner cavity volume increases, generating negative pressure, and the fuel is sucked in from the fuel inlet. When the plunger moves inwards, the fuel is compressed and the oil pressure rises. At a specific moment, when the oil pressure reaches a certain value, overcoming the elastic force of the oil outlet valve, the fuel is pressed into the oil outlet passage and distributed to each fuel injector through the distributor head. There are distribution grooves corresponding to each cylinder in the distributor head. Cooperating with the movement of the plunger and the timed opening and closing of the fuel inlet and outlet, the fuel is supplied to each cylinder in turn and quantitatively.

[0030] Generally speaking, the above has described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, the modifications or improvements made without departing from the spirit of the present utility model are within the protection scope of the present utility model.

Claims

1. A VE pump for use in a diesel engine, comprising a pump body (1), a connecting pipe (2) and a delivery box (3), characterized in that: The conveying box (3) is penetrated by the conveying pipe (4) and is fixedly connected to the conveying pipe (4); a support (6) is fixedly installed on the bottom of the conveying box (3); a recovery frame (7) is provided on the surface of the support (6); a support frame (5) is fixedly installed on the surface of the conveying box (3); a filter plate (10) is fixedly installed on the inner wall of the conveying box (3); a guide plate (11) is fixedly installed on the inner wall of the conveying box (3); a fixing rod (12) is fixedly installed on the inner wall of the conveying box (3); a control component (8) is provided in the conveying box (3); a driven component (9) is provided in the support frame (5); the control component (8) comprises: A knock rod (81), wherein the knock rod (81) is hinged to a circular plate (83), a surface of the circular plate (83) is fixedly connected to one side of a torsion spring (82), and the other side of the torsion spring (82) is fixedly mounted on the surface of the knock rod (81); A round rod (84), the round rod (84) passes through the circular plate (83) and is fixedly connected to the circular plate (83), the round rod (84) passes through the fixed frame (85) and is rotatably connected to the fixed frame (85), a cylinder (86) is fixedly mounted on the surface of the round rod (84), the cylinder (86) passes through the gear (87) and is fixedly connected to the gear (87), and the cylinder (86) is rotatably connected to the inner wall of the fixed frame (85); A pushing member (88) is provided in the fixed frame (85) for pushing the gear (87) to rotate.

2. The VE pump applied to a diesel engine according to claim 1, characterized in that: The pushing member (88) includes: a fixed tooth (881), the fixed tooth (881) is fixedly mounted on the surface of a pressure rod (882), the fixed tooth (881) is engaged with a gear (87), the pressure rod (882) passes through the fixed frame (85) and is slidably connected to the fixed frame (85), and a pressure plate (883) is fixedly mounted on the surface of the pressure rod (882).

3. The VE pump applied to a diesel engine according to claim 2, characterized in that: A support block (884) is fixedly mounted on the surface of the pressure rod (882), the surface of the support block (884) is fixedly connected to one end of a spring (885), and the other end of the spring (885) is fixedly mounted on the inner wall of the fixed frame (85).

4. The VE pump applied to a diesel engine according to claim 1, characterized in that: The inner wall of the fixing frame (85) is provided with a sliding groove (886).

5. The VE pump applied to a diesel engine according to claim 1, wherein: The driven assembly (9) comprises a threaded rod (92), the threaded rod (92) passing through the support frame (5) and being rotatably connected to the support frame (5), a motor (91) being fixedly mounted on the surface of the support frame (5), and an output shaft of the motor (91) being fixedly connected to the surface of the threaded rod (92).

6. The VE pump applied to a diesel engine according to claim 5, wherein: The threaded rod (92) passes through the slider (93) and is threadedly connected to the slider (93), and the slider (93) is slidably connected to the inner wall of the support frame (5).

7. The VE pump applied to a diesel engine according to claim 6, characterized in that: A slide plate (94) is fixedly mounted on the surface of the slider (93), a scraper (95) is fixedly mounted on the surface of the slider (94), and the surface of the slider (93) is rotatably connected to the surface of the round rod (84).

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