CN210164593U - Electromagnetic fuel injection pump - Google Patents
Electromagnetic fuel injection pump Download PDFInfo
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- CN210164593U CN210164593U CN201920822179.7U CN201920822179U CN210164593U CN 210164593 U CN210164593 U CN 210164593U CN 201920822179 U CN201920822179 U CN 201920822179U CN 210164593 U CN210164593 U CN 210164593U
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Abstract
The utility model discloses an electromagnetic fuel injection pump, include: the oil filter comprises a main body, wherein a channel is arranged in the main body, and the channel is provided with an oil inlet and an oil outlet; a piston assembly slidably disposed within the channel; and the electromagnetic driving device is used for driving the piston assembly to act, and the output current of the electromagnetic driving device is adjustable. The electromagnetic oil injection pump is tested after being assembled, and if the oil outlet parameters do not reach the standard, the oil outlet parameters on the electromagnetic oil pump can be finely adjusted by adjusting the output current of the electromagnetic driving device so as to reach the standard; simple structure is ingenious, adjusts the convenience, and work efficiency is high.
Description
Technical Field
The utility model relates to a pump technical field, in particular to electromagnetism injection pump.
Background
The existing electromagnetic fuel injection pump is generally realized by adopting a self-excited intermittent oscillation mode, a feedback coil is required, the volume is large, the oscillation waveform is deteriorated due to the influence of an inductance element, and the flow of liquid fuel output by an oil pump is very unstable; therefore, the conventional separately excited intermittent oscillation type electromagnetic oil injection pump is provided, but when the conventional separately excited intermittent oscillation type electromagnetic oil injection pump is tested after being assembled, if oil outlet parameters do not reach the standard, the electromagnetic oil injection pump needs to be disassembled and adjusted, so that the work efficiency is very low, and the problem is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an electromagnetism injection pump, when electromagnetism injection pump equipment back parameter not reach standard, need not to dismantle electromagnetism injection pump, can externally direct adjustment.
According to the utility model discloses an aspect provides an electromagnetism injection pump, include:
the oil filter comprises a main body, wherein a channel is arranged in the main body, and the channel is provided with an oil inlet and an oil outlet;
a piston assembly slidably disposed within the channel;
and the electromagnetic driving device is used for driving the piston assembly to act, and the output current of the electromagnetic driving device is adjustable.
Preferably, the electromagnetic driving device comprises a power supply, an electromagnetic coil and an adjustable resistor, the electromagnetic coil surrounds the outer side wall of the channel, the electromagnetic coil is connected with the adjustable resistor in series, the power supply supplies power to the adjustable resistor and the electromagnetic coil, and the piston assembly comprises a magnetic core which can be driven by the electromagnetic coil through electrification.
Preferably, the power supply is arranged as a separately excited electromagnetic oscillation circuit.
Preferably, the main body comprises a copper guide pipe and a roller core in an annular shape, the channel is arranged in the copper guide pipe, the copper guide pipe is positioned in the roller core, and the electromagnetic coil is wound on the outer side of the roller core.
Preferably, the piston assembly further comprises a piston, the piston is connected with the magnetic core, the outer side wall of the piston is matched with the inner side wall of the copper guide pipe, an oil passing groove or an oil passing hole penetrating through the piston is formed in the piston, one-way valves are arranged on two sides of the piston in the channel, the one-way valves are opened when the piston moves towards the oil outlet, and the one-way valves are closed when the piston moves towards the oil inlet.
Preferably, the piston is rod-shaped, the cross section of the piston is cross-shaped, the middle part of the piston is provided with a step protruding out of the side wall, the cross section of the step is the largest, the cross section of the upper part of the piston is gradually reduced towards the direction far away from the step, the cross section of the lower part of the piston is gradually reduced towards the direction far away from the step, a first return spring is arranged between the end surface of the upper part of the step and the copper guide pipe, and a second return spring is arranged between the end surface of the.
Any one of the technical schemes at least has the following beneficial effects: the electromagnetic oil injection pump is tested after being assembled, and if the oil outlet parameters do not reach the standard, the oil outlet parameters of the electromagnetic oil pump can be finely adjusted by adjusting the output current of the electromagnetic driving device so as to reach the standard; simple structure is ingenious, adjusts the convenience, and work efficiency is high.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic view of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an electromagnetic fuel injection pump includes:
the oil filter comprises a main body, wherein a channel 1 is arranged in the main body, and the channel 1 is provided with an oil inlet 4 and an oil outlet 3;
the piston assembly is slidably arranged in the channel 1, oil is sucked into the channel from the oil inlet 4 through the reciprocating sliding of the piston assembly, and meanwhile, the oil in the channel is sprayed out from the oil outlet 3;
and the electromagnetic driving device is used for driving the piston assembly to act, and the output current of the electromagnetic driving device is adjustable.
The electromagnetic oil injection pump is tested after being assembled, if the oil outlet parameters do not reach the standard, the oil outlet parameters are only slightly deviated from the standard under the general condition, and at the moment, the output current of the electromagnetic driving device can be adjusted, so that the output magnetic field intensity can be adjusted, the adjustment of the magnetic field force acting on the piston assembly is realized, and the purpose of fine adjustment of the oil outlet parameters of the electromagnetic oil pump is achieved; simple structure is ingenious, adjusts the convenience, and work efficiency is high.
In some embodiments, as shown in fig. 1, the electromagnetic driving device includes a power source, an electromagnetic coil 5 and an adjustable resistor 6, the power source is provided as a separately excited electromagnetic oscillation circuit, the electromagnetic coil 5 surrounds the outer side wall of the channel 1, the electromagnetic coil 5 is connected in series with the adjustable resistor 6, the power source supplies power to the adjustable resistor 6 and the electromagnetic coil 5, and the piston assembly includes a magnetic core which can be driven by energizing the electromagnetic coil 5. The current size in the solenoid 5 is changed through the resistance size of adjusting adjustable resistor 6, and then realizes the magnetic field force size of regulating action on the magnetic core, reaches to finely tune the parameter of producing oil of electromagnetic oil pump so that the parameter of producing oil is up to standard, and it is very convenient to adjust, need not to unpack the electromagnetic oil pump apart and adjusts, and work efficiency is higher.
In certain embodiments, as shown in fig. 2, the main body comprises a copper conduit 7 and a roller core 8 in a ring shape, the channel 1 is arranged in the copper conduit 7, the copper conduit 7 is arranged in the roller core 8, and the electromagnetic coil 5 surrounds the roller core 8; a magnetic conductive sleeve 9 is also arranged between the copper guide pipe 7 and the roller core 8. The cross section of the roller core 8 along the axis is I-shaped, so that the electromagnetic coil 5 can be conveniently wound, and the magnetic conduction sleeve 9 can reduce the attenuation of a magnetic field generated by the electromagnetic coil 5, reduce the energy consumption, save energy and reduce emission. In addition, the copper conduit can be replaced by a metal conduit, such as an aluminum pipe.
As shown in fig. 2, in some embodiments, the piston assembly further includes a piston 10, the piston 10 is connected to the magnetic core 11, an outer side wall of the piston 10 is engaged with an inner side wall of the copper guide 7, an oil passing groove or an oil passing hole penetrating through the piston 10 is formed in the piston 10, the oil passing groove can be formed in an outer side wall of the piston 10, the oil passing hole can be formed in the piston 10, check valves 12 are formed in the passage 1 on both sides of the piston 10, the check valve 12 is opened when the piston 10 moves toward the oil outlet 3, and the check valve 12 is closed when the piston 10 moves toward the oil inlet 4; when the piston 10 moves up quickly, the one-way valve 12 is opened, part of oil can pass through the oil groove, the other part of oil is sprayed out from the oil outlet 3 under the driving of the piston 10, the oil inlet 4 sucks the oil, when the piston 10 moves down, the one-way valve 12 is closed, along with the downward movement of the piston 10, the oil below the piston 10 in the channel 1 enters the channel 1 on the upper part of the piston 10 through the oil groove, and when the piston 10 moves up again, oil spraying is performed in a circulating mode. The check valve 12 at the lower part of the piston 10 can be replaced by arranging the check valve 12 in the oil hole of the piston 10, so that the oil injection efficiency is higher.
As shown in fig. 2, in some embodiments, the piston 10 is rod-shaped, the cross section of the piston 10 is cross-shaped, the middle part of the piston 10 has a step 13 protruding from the side wall, the cross section of the step 13 is the largest, the cross section of the upper part of the piston 10 gradually decreases (is in a truncated cone shape) towards the direction away from the step 13, the uppermost end of the piston 10 is connected with a cylindrical section 14, the cross section of the lower part of the piston 10 gradually decreases (is in a truncated cone shape) towards the direction away from the step 13, a first return spring 15 is arranged between the end surface of the upper part of the step 13 and the copper conduit 7, and a second return spring 16 is arranged between the end surface; a nozzle 18 is connected at the oil outlet 3, and the minimum flow cross section of the nozzle 18 is smaller than the inner diameter of the channel 1; the check valve 12 on the upper portion of the piston 10 comprises a third reset spring 17, a movable block 20 and a sealing ring 19 in an annular shape, a through hole 21 is formed in the sealing ring 19, the outer diameter of the sealing ring 19 is matched with the inner diameter of the channel 1, the upper end of the through hole 21 is in a cylindrical shape, the lower end of the through hole 21 is in a circular truncated cone shape, so that the through hole 21 is matched with the upper portion of the piston 10, the movable block 20 is abutted against the upper end of the through hole 21, the two ends of the third reset spring 17 are abutted against the nozzle 18 and the movable block 20 respectively, when the piston 10 moves upwards, the movable block 20 moves upwards under the action of oil pressure, the third reset spring 17 is compressed, oil is sprayed out from the nozzle 18 through the through hole 21, the upper portion of the piston 10 is matched with the through hole 21, the pressure.
As shown in fig. 2, in some embodiments, an end shield 2 is connected to the oil inlet, the end shield covers the oil inlet 4, and a filter screen is disposed on the end shield to filter oil entering the passage and prevent particles entering the passage from affecting the operation of the piston 10.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. Electromagnetic fuel injection pump, its characterized in that includes:
the oil filter comprises a main body, wherein a channel (1) is arranged in the main body, and the channel (1) is provided with an oil inlet (4) and an oil outlet (3);
a piston assembly slidably disposed within the channel (1);
and the electromagnetic driving device is used for driving the piston assembly to act, and the output current of the electromagnetic driving device is adjustable.
2. The electromagnetic fuel injection pump of claim 1, wherein the electromagnetic drive comprises a power source, a solenoid (5) and an adjustable resistor (6), the solenoid (5) is disposed around the outer side wall of the passage (1), the solenoid (5) is connected in series with the adjustable resistor (6), the power source supplies power to the adjustable resistor (6) and the solenoid (5), and the piston assembly comprises a magnetic core (11) that is electrically driven by the solenoid (5).
3. The electromagnetic fuel injection pump of claim 2 wherein said power source is configured as a separately excited electromagnetic oscillating circuit.
4. The electromagnetic fuel injection pump of claim 2, characterized in that the body comprises a copper conduit (7) and a roller core (8) in the form of a ring, the channel (1) being arranged in the copper conduit (7), the copper conduit (7) being located in the roller core (8), and the electromagnetic coil (5) being wound around the outside of the roller core (8).
5. The electromagnetic fuel injection pump of claim 4, characterized in that the piston assembly further comprises a piston (10), the piston (10) is connected to the magnetic core (11), the outer side wall of the piston (10) is fitted to the inner side wall of the copper guide (7), the piston (10) is provided with a fuel passing groove or a fuel passing hole penetrating through the piston (10), check valves (12) are provided in the passage (1) on both sides of the piston (10), the check valve (12) is opened when the piston (10) moves toward the fuel outlet (3), and the check valve (12) is closed when the piston (10) moves toward the fuel inlet (4).
6. The electromagnetic fuel injection pump of claim 5, characterized in that the piston (10) is rod-shaped, the cross-section of the piston (10) is cross-shaped, the middle of the piston (10) has a step (13) protruding from the side wall, the cross-section of the step (13) is the largest, the cross-section of the upper part of the piston (10) gradually decreases towards the direction away from the step (13), the cross-section of the lower part of the piston (10) gradually decreases towards the direction away from the step (13), a first return spring (15) is arranged between the end surface of the upper part of the step (13) and the copper pipe (7), and a second return spring (16) is arranged between the end surface of the lower part of the step (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822179.7U CN210164593U (en) | 2019-05-30 | 2019-05-30 | Electromagnetic fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822179.7U CN210164593U (en) | 2019-05-30 | 2019-05-30 | Electromagnetic fuel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164593U true CN210164593U (en) | 2020-03-20 |
Family
ID=69792846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822179.7U Active CN210164593U (en) | 2019-05-30 | 2019-05-30 | Electromagnetic fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164593U (en) |
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2019
- 2019-05-30 CN CN201920822179.7U patent/CN210164593U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200811 Address after: 528400 No. 42, South 1, Industrial Avenue, Xiaolan Town, Guangdong, Zhongshan Patentee after: Changqing thermal energy technology (Zhongshan) Co., Ltd Address before: 528400 No. 42, South Industrial Avenue, Zhongshan, Guangdong Patentee before: GUANGDONG CHANT Group Inc. |
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| TR01 | Transfer of patent right |