Fuel pump with adjustable oil outlet flow

Abstract

The utility model discloses a fuel pump with adjustable oil outlet flow, and particularly relates to the technical field of fuel pumps, the fuel pump comprises a fuel pump main body, an oil inlet pipe and an oil outlet pipe, the oil inlet pipe and the oil outlet pipe are arranged on the fuel pump main body, the oil inlet pipe is arranged on one side of the bottom end of the fuel pump main body, and the oil outlet pipe is arranged on the top of the fuel pump main body. An adjusting assembly used for adjusting the oil outlet amount is arranged in the oil outlet pipe. The adjusting assembly comprises a mounting ring mounted in the oil outlet pipe, an adjusting plate is arranged in the mounting ring, and adjusting shafts are mounted at the front end and the rear end of the adjusting plate. Through connection of the adjusting shaft and the adjusting plate, the micro motor can drive the adjusting plate to rotate with the adjusting shaft as the center, so that the gap between the mounting ring and the adjusting plate is adjusted, the circulation amount of fuel oil in the gap is controlled, the purpose of adjusting the oil outlet amount is achieved, the overall structure is simple, operation is convenient, and practicability is high. The use cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel pumps, in particular to a fuel pump with adjustable oil output flow. Background Art

[0002] The fuel pump is an indispensable part of the car. It is responsible for sucking the fuel from the fuel tank and delivering it to the fuel supply pipe under pressure. The working principle of the fuel pump is mainly to use centrifugal force to drive the pump wheel to rotate through the motor, so as to draw the fuel from the fuel tank and pressurize it into the fuel system. Its structure usually includes parts such as the motor, pressure limiter and check valve. These components together ensure the normal operation of the fuel pump and the safety of the fuel system.

[0003] As shown in the application document of the prior art publication number CN217233681U, it includes a fuel pump, one side of the fuel pump is provided with a flow control structure, the flow control structure includes an electric push rod, a rotating plate and a slider, one end of the electric push rod is fixedly connected to the upper side of the fuel pump, the telescopic rod of the electric push rod is matched with the inner wall gap of the upper side of the fuel pump, the telescopic rod of the electric push rod is connected to the slider through a pin, the outer wall of the slider is slidably connected with a rotating plate, and the front end surface of the rotating plate is connected to the upper side of the inner wall of the fuel pump through a pin. The technical solution cooperates with the fuel pump, the vertical block, the bolt, the housing and the flow control structure, so that when the device is in use, the electric push rod can drive the slider to move left and right, and the slider drives the rotating plate to rotate, thereby adjusting the gap between the two rotating plates, so as to facilitate the adjustment of the oil flow rate according to the needs of the user, and has a wide range of applications and high practicality.

[0004] However, the above technical solution is to achieve gap and oil output adjustment by pushing the corresponding rotating plates with two electric push rods, which results in high cost of the overall structure and high subsequent maintenance cost, and the design cannot be completely closed to prevent backflow, resulting in certain limitations in the technical solution. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a fuel pump with adjustable oil flow rate. By connecting the adjusting shaft and the adjusting plate, the micro motor can drive the adjusting plate to rotate around the adjusting shaft, so as to adjust the gap between the mounting ring and the adjusting plate, so as to control the flow rate of fuel in the gap, thereby achieving the purpose of adjusting the oil output. The utility model has a simple overall structure, is easy to operate, and has a low cost of use, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fuel pump with adjustable oil flow rate, comprising a fuel pump body and an oil inlet pipe and an oil outlet pipe installed on the fuel pump body, wherein the oil inlet pipe is arranged at one side of the bottom end of the fuel pump body, the oil outlet pipe is arranged at the top of the fuel pump body, and an adjusting component for adjusting the oil flow rate is arranged inside the oil outlet pipe;

[0007] The adjustment assembly comprises a mounting ring installed in the oil outlet pipe, an adjustment plate is arranged inside the mounting ring, and adjustment shafts are installed at both the front and rear ends of the adjustment plate;

[0008] A embedding groove is formed on one side of the mounting ring close to the adjusting shaft, and an end of the adjusting shaft away from the adjusting plate extends into the embedding groove;

[0009] A top sealing ring is installed on one side of the top end of the adjustment plate, and a bottom sealing ring is installed on the side of the bottom end of the adjustment plate away from the top sealing ring. The ends of the top sealing ring and the bottom sealing ring that are close to each other are fixed together with the adjustment shaft. Special-shaped grooves are provided on one side of the top of the mounting ring close to the top sealing ring and on one side of the bottom close to the bottom sealing ring, and the two special-shaped grooves are connected to the embedding groove.

[0010] In a preferred embodiment, a micro motor is provided at one side of the top end of the oil outlet pipe, and the output shaft of the micro motor passes through the oil outlet pipe and the mounting ring in sequence and is fixed to one of the adjustment shafts.

[0011] In a preferred embodiment, the special-shaped groove includes a shallow groove and two connected deep grooves, and the two deep grooves are respectively arranged at two ends of the shallow groove.

[0012] In a preferred embodiment, a mounting tube is sleeved on the outer side of one end of the micro motor away from the oil outlet pipe, and one end of the mounting tube close to the micro motor is fixed to the oil outlet pipe.

[0013] In a preferred embodiment, a plurality of air holes are formed through both sides of the installation tube, and the plurality of air holes are evenly spaced.

[0014] In a preferred embodiment, a fixed ring is installed inside the oil inlet pipe, a movable ring is threadedly connected inside the fixed ring, and a filter is installed inside the movable ring.

[0015] In a preferred embodiment, levers are installed on the top and bottom ends of the movable ring, on the side away from the oil inlet pipe.

[0016] Technical effects and advantages of the utility model:

[0017] Through the connection between the adjusting shaft and the adjusting plate, the micro motor can drive the adjusting plate to rotate around the adjusting shaft, so as to adjust the gap between the mounting ring and the adjusting plate, so as to control the flow of fuel in the gap, thereby achieving the purpose of adjusting the oil output, and the overall structure is simple, the operation is convenient, and the use cost is low;

[0018] Through the cooperation of the top sealing ring and the bottom sealing ring with the special-shaped groove, the gap when the adjustment plate and the mounting ring are flush can be blocked, thereby achieving the effect of completely closing the oil outlet pipe and preventing backflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is an exploded view of the installation tube of the utility model;

[0021] Figure 3 This is the front view of the installation ring of the utility model;

[0022] Figure 4 It is a schematic diagram of the adjustment plate of the utility model after adjustment;

[0023] Figure 5 This is a bottom view of the installation ring of the utility model;

[0024] Figure 6 This is an exploded view of the fixing ring of the utility model.

[0025] The accompanying drawings are marked as follows: 1. fuel pump body; 2. oil inlet pipe; 3. oil outlet pipe; 4. mounting ring; 5. adjustment plate; 6. adjustment shaft; 7. embedded groove; 8. top sealing ring; 9. bottom sealing ring; 10. special-shaped groove; 101. shallow groove; 102. deep groove; 11. micro motor; 12. air hole; 13. fixed ring; 14. movable ring; 15. filter screen; 16. lever; 17. mounting cylinder. DETAILED DESCRIPTION

[0026] 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.

[0027] Refer to the instruction manual Figure 1-6The utility model provides a fuel pump with adjustable oil flow rate, comprising a fuel pump body 1 and an oil inlet pipe 2 and an oil outlet pipe 3 installed on the fuel pump body 1, wherein the oil inlet pipe 2 is arranged at one side of the bottom end of the fuel pump body 1, and the oil outlet pipe 3 is arranged at the top of the fuel pump body 1, and an adjusting component for adjusting the oil flow rate is arranged inside the oil outlet pipe 3;

[0028] like Figure 2-5 As shown, the adjustment component includes a mounting ring 4 installed in the oil outlet pipe 3, an adjustment plate 5 is provided inside the mounting ring 4, and adjustment shafts 6 are installed at both the front and rear ends of the adjustment plate 5; an embedding groove 7 is provided on the side of the mounting ring 4 close to the adjustment shaft 6, and the end of the adjustment shaft 6 away from the adjustment plate 5 extends to the inside of the embedding groove 7; a top sealing ring 8 is installed on one side of the top end of the adjustment plate 5, and a bottom sealing ring 9 is installed on the side of the bottom end of the adjustment plate 5 away from the top sealing ring 8, and the ends of the top sealing ring 8 and the bottom sealing ring 9 that are close to each other are fixed together with the adjustment shaft 6, and special-shaped grooves 10 are provided on the side of the top of the mounting ring 4 close to the top sealing ring 8 and the side of the bottom close to the bottom sealing ring 9, and the two special-shaped grooves 10 are connected to the embedding groove 7.

[0029] like Figure 1 and 2 As shown, a micro motor 11 is provided on one side of the top end of the oil outlet pipe 3, and the output shaft of the micro motor 11 sequentially passes through the oil outlet pipe 3 and the mounting ring 4 and is fixed to one of the adjusting shafts 6. By connecting the output shaft of the micro motor 11 with the adjusting shaft 6, the micro motor 11 can drive the adjusting plate 5 to rotate with the adjusting shaft 6 as the center, thereby achieving the purpose of adjusting the oil output.

[0030] like Figure 5 As shown, the special-shaped groove 10 includes a connected shallow groove 101 and two deep grooves 102. The two deep grooves 102 are respectively arranged at both ends of the shallow groove 101. Through the cooperation of the shallow groove 101, the top sealing ring 8 and the bottom sealing ring 9 can be embedded, and the setting of the deep groove 102 is convenient for ensuring the space when the top sealing ring 8 and the bottom sealing ring 9 are rotated to a vertical state.

[0031] like Figure 1 and 2 As shown, a mounting tube 17 is sleeved on the outer side of one end of the micro motor 11 away from the oil outlet pipe 3, and the mounting tube 17 is fixed to the oil outlet pipe 3 at one end close to the micro motor 11. The setting of the mounting tube 17 facilitates the support and fixation of the micro motor 11 to ensure the stability of the micro motor 11 during operation, while also preventing the micro motor 11 from being damaged by expansion shock, thereby ensuring the use effect of the micro motor 11. A plurality of air holes 12 are penetrated on both sides of the mounting tube 17, and the plurality of air holes 12 are evenly spaced. The setting of the plurality of air holes 12 allows air to circulate inside the mounting tube 17 to prevent heat accumulation from affecting the operating stability of the micro motor 11.

[0032] like Figure 1 and 6 As shown, a fixed ring 13 is installed inside the oil inlet pipe 2, and a movable ring 14 is threadedly connected inside the fixed ring 13. A filter screen 15 is installed inside the movable ring 14. Through the setting of the filter screen 15, impurities in the fuel can be blocked and filtered to prevent impurities from entering the fuel pump and reducing performance. At the same time, with the help of the threaded connection between the movable ring 14 and the fixed ring 13, the staff can rotate and disassemble the movable ring 14, so as to achieve the effect of conveniently disassembling the filter screen 15 for cleaning and maintenance. The top and bottom ends of the movable ring 14 are installed with levers 16 on the side away from the oil inlet pipe 2. Through the connection between the lever 16 and the movable ring 14, the convenience and stability of the staff in operating the movable ring 14 can be enhanced.

[0033] Through the connection between the adjusting shaft 6 and the adjusting plate 5, the micro motor 11 can drive the adjusting plate 5 to rotate around the adjusting shaft 6. During the rotation, the gap between the adjusting plate 5 and the mounting ring 4 will change, thereby adjusting the flow of fuel in the gap, thereby achieving the purpose of adjusting the oil output, and the structure is simple, the operation is convenient, and the use cost is low;

[0034] At the same time, by means of the setting of the deep groove 102 in the special-shaped groove 10, sufficient space can be guaranteed for the top sealing ring 8 and the bottom sealing ring 9 when they rotate, thereby ensuring the stability of the adjustment plate 5 when it rotates, and the top sealing ring 8 and the bottom sealing ring 9 cooperate with the special-shaped groove 10 to block the gap when the adjustment plate 5 is flush with the mounting ring 4, thereby achieving the effect of completely closing the oil outlet pipe 3 and preventing backflow.

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fuel pump with adjustable oil flow, characterized in that: The invention comprises a fuel pump body (1), and an oil inlet pipe (2) and an oil outlet pipe (3) mounted on the fuel pump body (1), wherein the oil inlet pipe (2) is arranged at one side of the bottom end of the fuel pump body (1), the oil outlet pipe (3) is arranged at the top of the fuel pump body (1), and an adjustment component for adjusting the oil output is arranged inside the oil outlet pipe (3); The adjustment assembly comprises a mounting ring (4) mounted in the oil outlet pipe (3), an adjustment plate (5) is provided inside the mounting ring (4), and adjustment shafts (6) are mounted at both the front and rear ends of the adjustment plate (5); A groove (7) is formed on a side of the mounting ring (4) close to the adjustment shaft (6), and an end of the adjustment shaft (6) away from the adjustment plate (5) extends into the groove (7); A top sealing ring (8) is installed on one side of the top end of the adjustment plate (5), and a bottom sealing ring (9) is installed on the side of the bottom end of the adjustment plate (5) away from the top sealing ring (8). The ends of the top sealing ring (8) and the bottom sealing ring (9) that are close to each other are fixed together with the adjustment shaft (6). A special-shaped groove (10) is provided on the top side of the mounting ring (4) close to the top sealing ring (8) and the bottom side close to the bottom sealing ring (9), and the two special-shaped grooves (10) are connected to the embedded groove (7).

2. A fuel pump with adjustable oil flow rate according to claim 1, characterized in that: A micro motor (11) is provided on one side of the top end of the oil outlet pipe (3), and an output shaft of the micro motor (11) passes through the oil outlet pipe (3) and the mounting ring (4) in sequence and is fixed to one of the adjustment shafts (6).

3. A fuel pump with adjustable oil flow rate according to claim 1, characterized in that: The special-shaped groove (10) comprises a shallow groove (101) and two deep grooves (102) which are connected to each other, and the two deep grooves (102) are respectively arranged at two ends of the shallow groove (101).

4. A fuel pump with adjustable oil flow rate according to claim 2, characterized in that: An end of the micro motor (11) away from the oil outlet pipe (3) is sleeved with a mounting tube (17), and an end of the mounting tube (17) close to the micro motor (11) is fixed to the oil outlet pipe (3).

5. A fuel pump with adjustable oil flow rate according to claim 4, characterized in that: A plurality of air holes (12) are provided through both sides of the installation tube (17), and the plurality of air holes (12) are evenly spaced and distributed.

6. A fuel pump with adjustable oil flow rate according to claim 1, characterized in that: A fixed ring (13) is installed inside the oil inlet pipe (2), a movable ring (14) is threadedly connected inside the fixed ring (13), and a filter screen (15) is installed inside the movable ring (14).

7. A fuel pump with adjustable oil flow rate according to claim 6, characterized in that: A lever (16) is installed on the top end and the bottom end of the movable ring (14) on the side away from the oil inlet pipe (2).

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