CN216665794U - Motor vehicle fuel pump and motor vehicle with same - Google Patents
Motor vehicle fuel pump and motor vehicle with same Download PDFInfo
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- CN216665794U CN216665794U CN202123084921.5U CN202123084921U CN216665794U CN 216665794 U CN216665794 U CN 216665794U CN 202123084921 U CN202123084921 U CN 202123084921U CN 216665794 U CN216665794 U CN 216665794U
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- motor vehicle
- oil
- oil tank
- fuel pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a fuel pump for a motor vehicle and a motor vehicle with the fuel pump, comprising: the external oil tank (10) is provided with an oil inlet (121) and an oil outlet (122), the oil inlet (121) is communicated with an oil tank of a motor vehicle, and the oil outlet (122) is communicated with an engine oil nozzle of the motor vehicle; and the pump core (20) is arranged in the external oil tank (10), at least partially soaks in the gasoline in the external oil tank (10), and is used for pumping the gasoline from the oil tank of the motor vehicle to the engine oil nozzle. The fuel pump can effectively dissipate heat generated in the working process of the pump core, the service life of the fuel pump is prolonged, the use cost is reduced, the lubricating effect of the fuel pump can be realized, and the fuel pump is simple in structure and high in reliability.
Description
Technical Field
The utility model relates to the field of motor vehicle equipment, in particular to a motor vehicle fuel pump and a motor vehicle with the same.
Background
The high-pressure fuel pump used by the conventional motorcycle electronic injection system basically adopts an oil tank built-in structure, an external fuel pump manufactured by part of manufacturers has a simple structure, a pump core is directly wrapped by a plastic part, heat generated by the fuel pump cannot be effectively dissipated in the using process, and the fuel pump is very easy to damage, so that the vehicle using cost of a user is increased.
Disclosure of Invention
In view of the above-mentioned problems and needs, the present invention provides a fuel pump for a motor vehicle, which achieves the above-mentioned objects and brings other technical effects as the following features are adopted.
One object of the present invention is to propose a motor vehicle fuel pump comprising:
the external oil tank is provided with an oil inlet and an oil outlet, the oil inlet is communicated with an oil tank of the motor vehicle, and the oil outlet is communicated with an engine oil nozzle of the motor vehicle;
and the pump core is configured in the external oil tank, at least partially soaks in the gasoline in the external oil tank, and is used for pumping the gasoline from the oil tank of the motor vehicle to the engine oil nozzle.
In this technical scheme, by pump core work with petrol by motor vehicle oil tank pump to engine fuel sprayer for the engine can continuously work effectively, because the pump core is in the petrol in external oil tank, so can effectively dispel the heat that produces in the pump core course of operation, improve the life of fuel pump, reduce use cost, also can realize the lubrication action of fuel pump simultaneously, this fuel pump simple structure moreover, the reliability is high.
In addition, the fuel pump for motor vehicles according to the present invention may further have the following technical features:
in one example of the present invention, the method further comprises: the oil float is provided with a plurality of oil holes,
the oil floater is arranged in the external oil tank and used for measuring the liquid level of gasoline in the external oil tank.
In one example of the present invention, the method further comprises: one end of the needle valve is communicated with the motor vehicle oil tank, the other end of the needle valve is communicated with the external oil tank, and the needle valve is connected with the oil float;
when the liquid level of the oil float in the external oil tank is lower than a first threshold value, the oil float opens the needle valve by means of gravity to enable the motor vehicle oil tank to be communicated with the external oil tank;
when the liquid level of the oil float in the external oil tank is higher than a second threshold value, the oil float closes the needle valve by means of buoyancy, so that the motor vehicle oil tank is not communicated with the external oil tank;
wherein the first threshold is less than a second threshold.
In one example of the utility model, the pump cartridge is completely immersed in the petrol in the external tank when the level of the oil float inside the external tank is below a first threshold.
In one example of the present invention, the method further comprises: the oil discharging mechanism is arranged on the oil tank,
the external oil tank is arranged on the external oil tank and used for opening or closing the external oil tank.
In one example of the present invention, the oil drain mechanism is disposed near a lower end of the outboard oil tank.
In one example of the present invention, the external fuel tank includes:
a tank body having an oil storage chamber with an open upper end;
the cover body is detachably arranged at the open end of the box body in a covering manner, and the cover body is hermetically connected with the box body;
wherein, the oil inlet and the oil outlet are configured on the cover body.
In an example of the present invention, the box body is further provided with a positioning ear plate, and the positioning ear plate is provided with a positioning hole for connecting with a motor vehicle.
In an example of the present invention, the cover and the box are connected by a snap connection, and one of the cover and the box is provided with an elastic buckle, and the other is provided with a protrusion adapted to the elastic buckle.
Another object of the utility model is to propose a motor vehicle comprising a motor vehicle fuel pump as described above.
The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the utility model and are not to be construed as limiting the utility model to all embodiments thereof.
FIG. 1 is a front view of a motor vehicle fuel pump according to an embodiment of the present invention;
FIG. 2 is a left side view of a motor vehicle fuel pump according to an embodiment of the present invention;
FIG. 3 is a top view of a motor vehicle fuel pump according to an embodiment of the present invention;
FIG. 4 is a perspective view of a motor vehicle fuel pump according to an embodiment of the present invention.
List of reference numerals:
a fuel pump 100;
an external oil tank 10;
a case 11;
an oil reservoir chamber 11A;
a projection 111;
a positioning ear plate 112;
a lid 12;
an oil inlet 121;
a balance hole 123;
an electrical unit 124;
a resilient snap 125;
a pump core 20;
an oil float 30;
a needle valve 40;
and an oil drain mechanism 50.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A fuel pump 100 for a motor vehicle according to a first aspect of the present invention, as shown in fig. 1 to 4, is applied to a motor vehicle, and includes:
the external oil tank 10 is provided with an oil inlet 121 and an oil outlet 122, wherein the oil inlet 121 is communicated with an oil tank of a motor vehicle, and the oil outlet 122 is communicated with an engine oil nozzle of the motor vehicle; the external oil tank 10 is further provided with an electrical unit 124, which is coupled with the pump core 20 and is used for providing working power supply for the pump core 20;
and the pump core 20 is configured in the external oil tank 10, at least partially soaks in the gasoline in the external oil tank 10, and is used for pumping the gasoline from the oil tank of the motor vehicle to the engine oil nozzle.
The pump core 20 works to pump gasoline from the oil tank of the motor vehicle to the engine oil nozzle, so that the engine can continuously and effectively work, and the pump core 20 is positioned in the gasoline in the external oil tank 10, so that heat generated in the working process of the pump core 20 can be effectively dissipated, the service life of the fuel pump 100 is prolonged, the use cost is reduced, meanwhile, the lubricating effect of the fuel pump 100 can be realized, and the fuel pump 100 is simple in structure and high in reliability.
In one example of the present invention, the method further comprises: the oil float 30 is provided with a seal for preventing the oil from being leaked,
the oil floater 30 is arranged in the external oil tank 10 and is used for measuring the liquid level of the gasoline in the external oil tank 10;
the gasoline liquid level height in the external oil tank 10 can be effectively detected through the oil floater 30, so that reference is provided for the gasoline liquid level height in the external oil tank 10, and the gasoline liquid level height is conveniently controlled.
In one example of the present invention, the method further comprises: one end of the needle valve 40 is communicated with the oil tank of the motor vehicle, the other end of the needle valve 40 is communicated with the external oil tank 10, and the needle valve 40 is connected with the oil floater 30;
when the liquid level of the oil float 30 in the external oil tank 10 is lower than a first threshold value, the oil float 30 opens the needle valve 40 by means of gravity to enable the motor vehicle oil tank to be communicated with the external oil tank 10;
when the liquid level of the oil float 30 in the external oil tank 10 is higher than a second threshold value, the oil float 30 closes the needle valve 40 by means of buoyancy so that the automobile oil tank is not communicated with the external oil tank 10;
wherein the first threshold is less than a second threshold;
that is to say, the oil float 30 is connected with the switch of the needle valve 40, and the needle valve 40 can be opened or closed by the gravity or buoyancy of the oil float 30 through the up-and-down floating of the oil float 30, so that the level of the gasoline in the external oil tank 10 can be adaptively adjusted, and the heat dissipation effect of the pump core 20 is prevented from being affected due to the fact that the pump core 20 cannot be soaked in the gasoline.
It should be noted that the external fuel tank 10 is disposed at the lower end of the fuel tank of the vehicle, so that the fuel float 30 can control the opening and closing of the needle valve 40 under the action of gravity, and after the needle valve 40 is opened, the fuel in the fuel tank of the vehicle can flow into the external fuel tank 10 by itself under the action of gravity.
In one example of the present invention, when the liquid level of the oil float 30 in the external oil tank 10 is lower than a first threshold value, the pump core 20 is completely immersed in the gasoline in the external oil tank 10;
in other words, when the oil float 30 switches between the first threshold and the second threshold, the oil float 30 is always below the gasoline level, so that the pump body in the external oil tank 10 is always in the optimal heat dissipation state.
In one example of the present invention, the method further comprises: the oil-discharging mechanism (50) is provided with an oil-discharging mechanism,
the external oil tank 10 is arranged on the external oil tank 10 and used for opening or closing the external oil tank 10;
the vehicle is not used for a long time or oil sludge or sediment is easily formed in the vehicle, and the gasoline in the oil pump can be released through the oil discharging mechanism 50, so that colloid is prevented from being generated after the vehicle is placed for a long time; for example, the oil discharging mechanism 50 is a valve.
In one example of the present invention, the oil drain mechanism 50 is disposed near the lower end of the outboard oil tank 10; therefore, the gasoline in the external oil tank 10 can be more thoroughly discharged, and the generation of colloid caused by long-term storage of the residual gasoline in the external oil tank 10 is avoided.
In one example of the present invention, the external fuel tank 10 includes:
a case 11 having an oil storage chamber 11A with an open upper end;
the cover body 12 is detachably arranged at the open end of the box body 11 in a covering manner, and the cover body 12 is hermetically connected with the box body 11;
wherein, the oil inlet 121 and the oil outlet 122 are configured on the cover 12;
that is, the cover 12 is provided to cover the open end of the case 11 to seal the oil reservoir 11A, thereby forming a working environment of the fuel pump 100, and maintenance and repair of the fuel pump 100 can be facilitated by the detachable connection between the cover 12 and the case 11.
It should be noted that the lid body 12 is further provided with a balance hole 123 for effectively discharging gas in the oil storage chamber 11A and sucking outside air when the level of gasoline in the oil storage chamber 11A changes, so as to maintain the pressure balance between the inside of the oil storage chamber 11A and the outside air.
In an example of the present invention, the box 11 is further provided with a positioning ear plate 112, and the positioning ear plate 112 is provided with a positioning hole 1121 connected to a motor vehicle;
for example, the box 11 is positioned on the motor vehicle by the fitting connection of the fastener and the positioning hole 1121, for example, a mounting threaded hole corresponding to the positioning hole 1121 is provided on the motor vehicle or a mounting bracket is provided on the motor vehicle; preferably, a plurality of lugs are arranged on the housing 11 in order to better secure the housing 11 to the motor vehicle.
In an example of the present invention, the cover 12 and the box 11 are connected by a snap connection, and one of the cover 12 and the box 11 is provided with an elastic buckle 125, and the other is provided with a protrusion 111 adapted to the elastic buckle 125; the cover 12 and the tank 11 are effectively coupled by the elastic buckle 125 and the protrusion 111, and a sealing ring may be disposed between the cover 12 and the tank 11 to improve the sealing performance of the external fuel tank 10.
According to a second aspect of the present invention, a motor vehicle comprises the motor vehicle fuel pump 100 as described above, by which the motor vehicle fuel pump 100 can effectively dissipate heat generated during the operation of the pump core 20, thereby prolonging the service life of the fuel pump 100, reducing the use cost, and simultaneously achieving the lubrication effect of the fuel pump 100.
While the exemplary embodiment of the motor vehicle fuel pump 100 proposed by the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and changes can be made to the specific embodiments described above without departing from the concept of the present invention, and various combinations of the various features and structures presented in the present invention can be made without departing from the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. A motor vehicle fuel pump, comprising:
the external oil tank (10) is provided with an oil inlet (121) and an oil outlet (122), the oil inlet (121) is communicated with an oil tank of a motor vehicle, and the oil outlet (122) is communicated with an engine oil nozzle of the motor vehicle;
and the pump core (20) is arranged in the external oil tank (10), at least partially soaks in the gasoline in the external oil tank (10), and is used for pumping the gasoline from the oil tank of the motor vehicle to the engine oil nozzle.
2. Motor vehicle fuel pump according to claim 1,
further comprising: an oil float (30),
the oil floater (30) is arranged in the external oil tank (10) and is used for measuring the liquid level of the gasoline in the external oil tank (10).
3. Motor vehicle fuel pump according to claim 2,
further comprising: one end of the needle valve (40) is communicated with the oil tank of the motor vehicle, the other end of the needle valve is communicated with the external oil tank (10), and the needle valve (40) is connected with the oil floater (30);
when the liquid level of the oil float (30) in the external oil tank (10) is lower than a first threshold value, the oil float (30) opens the needle valve (40) by means of gravity so that the motor vehicle oil tank is communicated with the external oil tank (10);
when the liquid level height of the oil float (30) in the external oil tank (10) is higher than a second threshold value, the oil float (30) closes the needle valve (40) by means of buoyancy so that the motor vehicle oil tank is not communicated with the external oil tank (10);
wherein the first threshold is less than a second threshold.
4. Motor vehicle fuel pump according to claim 3,
when the liquid level of the oil float (30) in the external oil tank (10) is lower than a first threshold value, the pump core (20) is completely immersed in the gasoline in the external oil tank (10).
5. Motor vehicle fuel pump according to claim 1,
further comprising: an oil discharging mechanism (50),
is arranged on the external oil tank (10) and is used for opening or closing the external oil tank (10).
6. Motor vehicle fuel pump according to claim 5,
the oil drain mechanism (50) is disposed at a position close to the lower end of the external oil tank (10).
7. Motor vehicle fuel pump according to claim 1,
the outboard fuel tank (10) includes:
a case (11) having an oil storage chamber (11A) with an open upper end;
the cover body (12) is detachably arranged at the open end of the box body (11) in a covering mode, and the cover body (12) is connected with the box body (11) in a sealing mode;
wherein, the oil inlet (121) and the oil outlet (122) are configured on the cover body (12).
8. Motor vehicle fuel pump according to claim 7,
the box body (11) is further provided with a positioning lug plate (112), and the positioning lug plate (112) is provided with a positioning hole (1121) connected with a motor vehicle.
9. Motor vehicle fuel pump according to claim 7,
the cover body (12) is connected with the box body (11) through clamping, one of the cover body (12) and the box body (11) is provided with an elastic buckle (125), and the other is provided with a bulge (111) matched with the elastic buckle (125).
10. A motor vehicle, characterized by comprising a motor vehicle fuel pump (100) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084921.5U CN216665794U (en) | 2021-12-09 | 2021-12-09 | Motor vehicle fuel pump and motor vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123084921.5U CN216665794U (en) | 2021-12-09 | 2021-12-09 | Motor vehicle fuel pump and motor vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665794U true CN216665794U (en) | 2022-06-03 |
Family
ID=81787125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123084921.5U Active CN216665794U (en) | 2021-12-09 | 2021-12-09 | Motor vehicle fuel pump and motor vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216665794U (en) |
-
2021
- 2021-12-09 CN CN202123084921.5U patent/CN216665794U/en active Active
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