CN217999759U - Built-in controller type diesel constant flow brushless starting pump assembly - Google Patents

Abstract

The utility model relates to a brushless starter pump assembly of built-in controller formula diesel oil constant flow. The utility model discloses an oil feed subassembly, the oil feed subassembly includes eccentric pump, oil inlet cover and relief valve, the relief valve communicates respectively eccentric pump and oil inlet cover; the driving assembly comprises a stator assembly, a driving shaft and a rotor assembly which is rotationally connected into the stator assembly through the driving shaft, and one end of the driving shaft is connected to the eccentric pump; the oil outlet assembly comprises an oil outlet support and a pump cover, and the oil outlet support is connected to the stator assembly; the control assembly comprises a circuit board, the circuit board is installed between the oil outlet support and the pump cover, and the circuit board is electrically connected with the stator assembly. The utility model discloses inside integrated the starting pump with the circuit board, practice thrift installation space for assembly manufacturability is more excellent.

Description

Built-in controller type diesel constant flow brushless starting pump assembly

Technical Field

The utility model belongs to the technical field of the starter pump technique and specifically relates to indicate a brushless starter pump assembly of built-in controller formula diesel oil constant flow.

Background

At present, a compression ignition mode is generally adopted in a diesel system, and the system layout is from an oil tank to a filter; the gear pump, the inline pump, the engine and the manual pressing pump are arranged in the filter, and the diesel oil does not allow particles larger than 10um to pass through on the application due to the characteristics of water absorption, wax accumulation, viscosity, high hardness and the like of the diesel oil, so that a filter tank with 1 liter or 2 liters is generally required to be placed on a pipeline. Generally, large-scale truck fuel oil pipeline all is longer to making the start-up time very long, and extremely cold weather still needs artifical supplementary when can't start, and in addition, current starter pump mostly adopts brushless motor and external control ware scheme, and required installation space is great.

Disclosure of Invention

Therefore, the utility model aims to provide a brushless starter pump assembly of built-in controller formula diesel oil constant flow, cancel the controller shell, with the circuit board integrated to the starter pump inside, the installation space has been practiced thrift, and can replace placing the manual formula among the filter in the current in according to the force pump, make it can have accomplished the pipeline air in a row automatically, it is smooth and easy to reach the start, utilize electronic circuit initiative control motor speed, reach the purpose of invariant, make the fuel pump flow invariable, thereby realize falling the efficiency of making an uproar and stable system.

In order to solve the technical problem, the utility model provides a brushless starter pump assembly of built-in controller formula diesel oil constant flow, include:

the oil inlet assembly comprises an eccentric pump, an oil inlet cover and a pressure release valve, and the pressure release valve is respectively communicated with the eccentric pump and the oil inlet cover;

the driving assembly comprises a stator assembly, a driving shaft and a rotor assembly which is rotationally connected into the stator assembly through the driving shaft, and one end of the driving shaft is connected to the eccentric pump;

the oil outlet assembly comprises an oil outlet bracket and a pump cover, and the oil outlet bracket is connected to the stator assembly;

the control assembly comprises a circuit board, the circuit board is installed between the oil outlet support and the pump cover, and the circuit board is electrically connected with the stator assembly.

The utility model discloses an in an embodiment, stator module includes the wire, be connected with wire sealing washer and stopping pad on the wire, the wire is connected with the circuit board.

The utility model discloses an in the embodiment, the support that produces oil includes the disk body and locates the oil cavity and the installation cavity at disk body both ends, the installation cavity is located to the circuit board, it has the oil outlet to produce oil the chamber side distribution, the pump cover is connected and is located one side of installation cavity on the disk body.

The utility model discloses an in an embodiment, be equipped with flange between installation cavity and the disk body, flange is equipped with the sealing washer that produces oil.

The utility model discloses an among the embodiment, still include casing and support, the casing cover is located oil feed subassembly and drive assembly, the support cover is located the casing, support one end links to each other with the casing lateral wall, the support other end offsets with support one end that produces oil.

The utility model discloses an in an embodiment, casing lateral wall is equipped with the sealing washer baffle, be equipped with the shell seal circle between support one end and the sealing washer baffle.

The utility model discloses an in an embodiment, the eccentric pump includes the pump body, runner and roller, drive shaft one end is connected in the runner, the runner rotate connect in pump body center, runner circumference evenly distributed has the storage tank that is used for holding the roller.

The utility model discloses an in an embodiment, still include the switching piece, switching piece both ends difference joint the rotor subassembly with the runner.

The utility model discloses an in the embodiment, the oil feed cover is equipped with the oil feed tank, oil feed tank and pump body center intercommunication, the one end that the oil feed cover is close to the rotor subassembly is connected with ceramic cover plate, it has the oil groove to open on the ceramic cover plate.

The utility model discloses an in the embodiment, oil feed cover one end is equipped with the filtration lid, it is equipped with filter screen and mount pad to filter the lid, the relief valve is located in the mount pad, the relief valve includes case, end cap, sealing ring, disk seat and spring, the end cap is connected in the mount pad, the spring passes through the end cap and connects in the disk seat, the case passes through spring coupling in the disk seat, the disk seat passes through the sealing ring oil feed cover sealing connection.

Compared with the prior art, the technical scheme of the utility model have following advantage:

a brushless starter pump assembly of built-in controller formula diesel oil constant flow, can replace the manual formula press pump among the filter of placing in the current, it has accomplished the pipeline air in a row to make it automatic, it is smooth and easy to reach the start-up, utilize electronic circuit active control motor rotational speed, reach the purpose of invariant, make the fuel pump flow invariable, thereby the realization falls the efficiency of making an uproar and stable system, furthermore, control circuit has been integrated to the starter pump inside, cancel the controller shell, integrate the circuit board inside the starter pump, practice thrift the installation space, make the assembly manufacturability more excellent, the controller cancels with the starter pump connecting wire, make system's electromagnetism anti-interference ability better, waterproof nature is better.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic diagram of the overall structure of the controller-embedded diesel constant-flow brushless starting pump assembly of the present invention.

Fig. 2 is a schematic diagram of the overall explosion structure of the controller-embedded diesel constant-flow brushless starting pump assembly of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the first part of the built-in controller type diesel constant flow brushless starting pump assembly of the present invention.

Fig. 4 is a schematic diagram of the second part of the explosion structure of the controller-embedded diesel constant-flow brushless starting pump assembly of the present invention.

Fig. 5 is a schematic diagram of the explosion structure of the third part of the built-in controller type diesel constant flow brushless starting pump assembly of the present invention.

Fig. 6 is a schematic diagram of the wire and the circuit board of the present invention.

Fig. 7 is a schematic view of the structure of the oil outlet support of the present invention.

Fig. 8 is a schematic view of the filter cover and the filter valve of the present invention.

Fig. 9 is a schematic view of the eccentric pump of the present invention.

Fig. 10 is a schematic view of the rotor assembly of the present invention cooperating with an eccentric pump.

The specification reference numbers indicate: 1. an eccentric pump; 11. a pump body; 12. a rotating wheel; 13. a roller; 14. a containing groove; 2. an oil inlet cover; 21. an oil inlet groove; 3. a pressure relief valve; 31. a valve core; 32. a plug; 33. a seal ring; 34. a valve seat; 35. a spring; 4. a stator assembly; 5. a drive shaft; 6. a rotor assembly; 7. an oil outlet support; 71. a tray body; 72. an oil outlet cavity; 721. an oil outlet hole; 73. a mounting cavity; 74. a connecting flange; 8. a pump cover; 9. a circuit board; 10. a wire; 101. a wire sealing ring; 102. a backstop pad; 100. a housing; 200. a support; 300. a seal ring baffle; 400. a housing seal ring; 500. a transfer block; 600. a ceramic cover plate; 700. a filter cover; 701. a filter screen; 702. a mounting seat; 800. and an oil outlet sealing ring.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 to 10, the present invention provides a built-in controller type diesel constant flow brushless starting pump assembly, including:

the oil inlet assembly comprises an eccentric pump 1, an oil inlet cover 2 and a pressure release valve 3, and the pressure release valve 3 is respectively communicated with the eccentric pump 1 and the oil inlet cover 2;

the driving assembly comprises a stator assembly 4, a driving shaft 5 and a rotor assembly 6 which is rotatably connected in the stator assembly 4 through the driving shaft 5, wherein one end of the driving shaft 5 is connected to the eccentric pump 1;

the oil outlet assembly comprises an oil outlet support 7 and a pump cover 8, and the oil outlet support 7 is connected to the stator assembly 4;

the control assembly comprises a circuit board 9, the circuit board 9 is installed between the oil outlet support 7 and the pump cover 8, and the circuit board 9 is electrically connected with the stator assembly 4.

In this embodiment, the circuit board 9 of the control module adopts a 32-pin brushless motor driving chip, which is manufactured by allegoro corporation of america, and has the following main characteristics: three-phase sine soft start driving; starting and reversing without a sensor; 5V-50V ultra-wide power supply range; the rotating speed, voltage and current can be controlled by an SPI or PWM mode. The control circuit is added with a time control function to meet different working time requirements of the fuel pump, and is also added with some protection functions, such as reverse connection prevention protection, overcurrent protection and the like. And the EMC function of 3 grades of the national standard is added, so that the fuel pump can run more safely.

Specifically, the stator assembly 4 comprises a lead 10, a lead sealing ring 101 and a retaining pad 102 are connected to the lead 10, and the lead 10 is connected with the circuit board 9.

Specifically, the oil outlet support 7 comprises a disc body 71, an oil outlet cavity 72 and an installation cavity 73, the oil outlet cavity 72 and the installation cavity 73 are arranged at two ends of the disc body 71, the circuit board 9 is arranged in the installation cavity 73, oil outlet holes 721 are distributed at the side end of the oil outlet cavity 72, and the pump cover 8 is connected to one side, located on the disc body 71, of the installation cavity 73. With the above arrangement, the circuit board 9 and the pump are integrated.

Specifically, a connecting flange 74 is arranged between the mounting cavity 73 and the disc body 71, and the connecting flange 74 is provided with an oil outlet sealing ring 800.

Specifically, still include casing 100 and support 200, casing 100 is located oil feed subassembly and drive assembly, support 200 is located casing 100, support 200 one end links to each other with casing 100 lateral wall, the support 200 other end offsets with support 7 one end that produces oil. The casing 100 can prevent magnetic leakage, provide a sealing function when oil is introduced from the outside, and fix the positions of all parts.

Specifically, a sealing ring baffle 300 is arranged on the side wall of the casing 100, and a casing sealing ring 400 is arranged between one end of the support 200 and the sealing ring baffle 300. Through the arrangement, the integral sealing performance is enhanced, the gap between the inlet oil and the outlet oil is isolated, the oil way is prevented from refluxing, and the supporting effect is achieved.

Specifically, the eccentric pump 1 comprises a pump body 11, a rotating wheel 12 and rollers 13, wherein one end of the driving shaft 5 is connected to the rotating wheel 12, the rotating wheel 12 is rotatably connected to the center of the pump body 11, and containing grooves 14 for containing the rollers 13 are uniformly distributed in the circumferential direction of the rotating wheel 12. In this embodiment, the accommodating groove 14 is a U-shaped groove, when the rotating wheel 12 rotates eccentrically, the roller 13 moves to the far end under the action of centrifugal force, at this time, oil is sucked to a gap between the roller 13 and the accommodating groove 14 under the action of negative pressure, and when the roller 13 moves to the near end, the roller 13 is subject to the extrusion force of the inner wall of the pump body 11 to move towards the bottom of the accommodating groove 14, so as to extrude the oil therein to be output.

Specifically, the rotor assembly further comprises a junction block 500, and two ends of the junction block 500 are respectively clamped with the rotor assembly 6 and the rotating wheel 12.

Specifically, the oil inlet cover 2 is provided with an oil inlet groove 21, the oil inlet groove 21 communicates with the center of the pump body 11, one end of the oil inlet cover 2 close to the rotor assembly 6 is connected with a ceramic cover plate 600, and an oil outlet groove is formed in the ceramic cover plate 600.

Specifically, 2 one end of oil inlet cover is equipped with filter cover 700, filter cover 700 is equipped with filter screen 701 and mount pad 702, relief valve 3 is located in mount pad 702, relief valve 3 includes case 31, end cap 32, sealing ring 33, disk seat 34 and spring 35, end cap 32 is connected in mount pad 702, spring 35 passes through end cap 32 and connects in disk seat 34, case 31 passes through spring 35 and connects in disk seat 34, disk seat 34 passes through sealing ring 33 oil inlet cover 2 sealing connection.

The working process of the utility model is as follows:

after the power supply is switched on, current passes through the circuit board 9 and the stator assembly 4 in sequence to form current, and the magnetic field generated by the rotor assembly 6 generates torque under the action of the current to rotate, so that the driving shaft 5 rotates;

the driving shaft 5 drives the rotating wheel 12 to rotate, the rotating wheel 12 drives the roller 13 to rotate to generate space compression, so that pressure difference is generated, and oil is sucked in and then flows out of the oil outlet 721 on the oil outlet support 7;

when the pressure of the oil to the plug 32 meets the specified requirement, the spring 35 compresses to keep the pressure inside the pump not to be increased any more, and when the pressure of the oil to the plug 32 does not meet the specified requirement, the spring 35 does not compress, so that the pressure release valve 3 is in a non-operating state, namely a static sealing state.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a brushless starter pump assembly of built-in controller formula diesel oil constant flow which characterized in that includes:

the oil inlet assembly comprises an eccentric pump (1), an oil inlet cover (2) and a pressure release valve (3), and the pressure release valve (3) is respectively communicated with the eccentric pump (1) and the oil inlet cover (2);

the driving assembly comprises a stator assembly (4), a driving shaft (5) and a rotor assembly (6) which is rotatably connected into the stator assembly (4) through the driving shaft (5), and one end of the driving shaft (5) is connected to the eccentric pump (1);

the oil outlet assembly comprises an oil outlet support (7) and a pump cover (8), and the oil outlet support (7) is connected to the stator assembly (4);

the control assembly comprises a circuit board (9), the circuit board (9) is installed between the oil outlet support (7) and the pump cover (8), and the circuit board (9) is electrically connected with the stator assembly (4).

2. A controller-built-in diesel constant-flow brushless starting pump assembly according to claim 1, wherein the stator assembly (4) comprises a conducting wire (10), a conducting wire sealing ring (101) and a retaining pad (102) are connected to the conducting wire (10), and the conducting wire (10) is connected to the circuit board (9).

3. The brushless starter pump assembly of a built-in controller type diesel constant flow, according to claim 1, characterized in that the oil outlet support (7) comprises a disc body (71), an oil outlet cavity (72) and an installation cavity (73) which are arranged at two ends of the disc body (71), the circuit board (9) is arranged in the installation cavity (73), oil outlet holes (721) are distributed at the side end of the oil outlet cavity (72), and the pump cover (8) is connected to one side of the disc body (71) which is positioned in the installation cavity (73).

4. A constant-flow brushless starter pump assembly with built-in controller for diesel oil according to claim 3, characterized in that a connecting flange (74) is provided between the mounting cavity (73) and the disc body (71), and the connecting flange (74) is provided with an oil outlet sealing ring (800).

5. The brushless starting pump assembly of a built-in controller type diesel constant flow of claim 1, further comprising a casing (100) and a bracket (200), wherein the casing (100) is sleeved on the oil inlet component and the driving component, the bracket (200) is sleeved on the casing (100), one end of the bracket (200) is connected with a side wall of the casing (100), and the other end of the bracket (200) abuts against one end of the oil outlet bracket (7).

6. The brushless starter pump assembly of a built-in controller type diesel constant flow of claim 5, wherein the side wall of the casing (100) is provided with a sealing ring baffle (300), and a housing sealing ring (400) is arranged between one end of the support (200) and the sealing ring baffle (300).

7. The brushless starter pump assembly of claim 1, wherein the eccentric pump (1) comprises a pump body (11), a rotating wheel (12) and rollers (13), one end of the driving shaft (5) is connected to the rotating wheel (12), the rotating wheel (12) is rotatably connected to the center of the pump body (11), and the receiving grooves (14) for receiving the rollers (13) are uniformly distributed on the circumference of the rotating wheel (12).

8. The brushless starter pump assembly of claim 7, further comprising a junction block (500), wherein the rotor assembly (6) and the rotor (12) are respectively clamped at two ends of the junction block (500).

9. The brushless starter pump assembly of a diesel constant flow with a built-in controller according to claim 1, characterized in that the oil inlet cover (2) is provided with an oil inlet groove (21), the oil inlet groove (21) is communicated with the center of the pump body (11), one end of the oil inlet cover (2) close to the rotor assembly (6) is connected with a ceramic cover plate (600), and the ceramic cover plate (600) is provided with an oil outlet groove.

10. The brushless starter pump assembly of built-in controller formula diesel oil constant flow according to claim 1, characterized in that, oil feed cover (2) one end is equipped with filters lid (700), it is equipped with filter screen (701) and mount pad (702) to filter lid (700), relief valve (3) are located in mount pad (702), relief valve (3) are including case (31), end cap (32), sealing ring (33), disk seat (34) and spring (35), end cap (32) are connected in mount pad (702), spring (35) are connected in disk seat (34) through end cap (32), case (31) are connected in disk seat (34) through spring (35), disk seat (34) are through sealing ring (33) oil feed cover (2) sealing connection.

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