CN201714525U

CN201714525U - Electric fuel pump assembly

Info

Publication number: CN201714525U
Application number: CN2010202619600U
Authority: CN
Inventors: 孙国庆
Original assignee: 孙国庆
Current assignee: Ningbo Rector Automobile Parts Co.,Ltd.
Priority date: 2010-07-16
Filing date: 2010-07-16
Publication date: 2011-01-19
Anticipated expiration: 2020-07-16

Abstract

The utility model relates to an electric fuel pump assembly, comprising a flange disc, a fuel storing barrel, a pump core and a fuel level sensor, wherein the flange disc is used for fixing the fuel pump assembly; the fuel storing barrel is connected with the flange disc; the pump core is arranged in the fuel storing barrel and is used for pumping and outputting fuel; and the fuel level sensor is connected with the outer side of the fuel storing barrel and is used for detecting fuel level. The fuel level sensor further comprises a positive electrode wire, a negative electrode wire, a spring wire, a welding disc, a copper terminal, a circuit board, a first reed, a first gold contact, a second reed and a second gold contact; the positive electrode wire is connected with the circuit board by the copper terminal; the first gold contact and the second gold contact are respectively arranged on the first reed and the second reed and are respectively connected with the circuit board; the spring wire is connected with the first reed, the second reed and the welding disc; and the welding disc is connected with the negative electrode wire. The electric fuel pump assembly has the advantages of feedbacking the fuel level in a fuel tank timely and accurately and having long service life of the fuel level sensor.

Description

Electric fuel pump assembly

Technical field

The utility model relates to a kind of electric fuel pump assembly, relates in particular to a kind of electric fuel pump assembly of fuel level sensor long service life.

Background technique

Electric fuel pump assembly generally comprises flange plate, oil-storing barrel, pump core and fuel level sensor, wherein, fuel level sensor is installed in the oil-storing barrel outside, be used for induction and output level height value, after making motormeter receive signal, deal with and show level height, for the driver provides fuel tank oil mass information, so that the in good time fuel up of driver prevents to cause vehicle stagnation of movement midway because of fuel oil exhausts.

Before, the fuel level sensor that generally uses on the market is the single loop structure, and only by a circuit, in case breakpoint takes place in this circuit bad connection, fuel level sensor just can not be locked the oil level in the fuel tank when the feedback fuel level in tank, and whole fuel level sensor lost efficacy.And in the existing electric fuel pump assembly, fuel level sensor generally is installed in the oil-storing barrel outside, without any veil, is easy to cause because of colliding with the poor contact of contacts of fuel level sensor, causes the fuel level sensor breakpoint.Therefore, the fuel level sensor of existing electric fuel pump assembly exists the easy breakpoint of sensor contact, the low technical problem of oil level, working life in can not the continuous feedback mailbox.

The model utility content

The purpose of this utility model is to provide a kind of electric fuel pump assembly, has the easy breakpoint of sensor contact, low technical problem of oil level, working life in can not the continuous feedback mailbox to solve fuel level sensor in the prior art.

For achieving the above object, the utility model provides a kind of electric fuel pump assembly, comprise the flange plate, the oil-storing barrel that is connected with flange plate that are used for fixing fuel oil pump assembly, be arranged on and be used to extract and export the pump core of fuel oil in the oil-storing barrel and be connected the fuel level sensor that the oil-storing barrel outside is used to detect oil level, fuel level sensor further comprises: positive wire, cathode conductor, spring lead, weld tabs, copper tip, circuit board, first reed, the first gold medal contact, second reed and the second gold medal contact, and positive wire is connected with circuit board by copper tip; The first gold medal contact and the second gold medal contact are separately positioned on first reed and second reed, and the first gold medal contact all is connected with circuit board with the second gold medal contact; The spring lead connects first reed, second reed and weld tabs, and weld tabs is connected with cathode conductor.

According to the described electric fuel pump assembly of the utility model preferred embodiment, its end bucket arranged outside has a groove, has level sensor to be arranged in the groove.

According to the described electric fuel pump assembly of the utility model preferred embodiment, riveted joint is connected with second reed with first reed respectively with the second gold medal contact in its first gold medal contact.

The utility model improves existing electric fuel pump assembly, and its fuel level sensor adopts the double loop design, and when breakpoint took place contact, a loop, another loop can work on, thus the oil level in the feedback fuel tank promptly and accurately.And the utility model is provided with groove on oil-storing barrel, and fuel level sensor is arranged in the groove, has reduced the minimizing in the working life of the fuel level sensor that causes because of bump injury to greatest extent, has prolonged the working life that level sensor is arranged greatly.

Description of drawings

Fig. 1 is the structural representation of the utility model electric fuel pump assembly;

Fig. 2 is the structural representation of the utility model embodiment's fuel level sensor;

Fig. 3 is the structural representation of the utility model embodiment's circuit board;

Fig. 4 is the scheme of installation of the utility model embodiment's fuel level sensor.

Embodiment

Below in conjunction with accompanying drawing, specify the utility model.

See also Fig. 1 to Fig. 4, a kind of electric fuel pump assembly comprises the flange plate 10, the oil-storing barrel 20 that is connected with flange plate 10 that are used for fixing fuel oil pump assembly, is arranged on and is used to extract and export the pump core 30 of fuel oil in the oil-storing barrel 20 and is connected the fuel level sensor 40 that oil-storing barrel 20 outsides are used to detect oil level.

Fuel level sensor 40 further comprises: positive wire 401, cathode conductor 402, spring lead 403, weld tabs 404, copper tip 405, circuit board 406, first reed 407, the first gold medal contact 408, second reed 409 and the second gold medal contact 410, and positive wire 401 is connected with circuit board 406 by copper tip 405; The first gold medal contact 408 and the second gold medal contact 410 are riveted on respectively on first reed 407 and second reed 409, and the first gold medal contact 408 all is connected with circuit board 406 with the second gold medal contact 410; Spring lead 403 connects first reed 407, second reed 409 and weld tabs 404, and weld tabs 404 is connected with cathode conductor 402.As shown in Figure 3, circuit board 406 also is provided with first conductor 411, second conductor 412, the 3rd conductor 413 and resistance 414.

Above-mentioned fuel level sensor 40 adopts the double loop design, and when breakpoint took place contact, a loop, another loop can work on, thus the oil level in the feedback fuel tank promptly and accurately.Below the double loop circuit is illustrated:

Positive wire 401 is by

copper tip

405 and 411 conductings of first conductor, connect resistance 414 by second conductor 412 again, be connected to the 3rd conductor 413, the first gold medal contact 408 that is riveted on first reed 407 contacts with the 3rd conductor 413, first reed 407 is connected with the 3rd conductor 413 by the first gold medal contact 408, spring lead 403 and weld tabs 404 conductings by being connected with first reed 407 again, weld tabs 404 and cathode conductor 402 conductings form one road closed circuit.

Positive wire 401 is by

copper tip

405 and 411 conductings of first conductor, connect resistance 414 by second conductor 412 again, be connected to the 3rd conductor 413, the second gold medal contact 410 that is riveted on second reed 409 contacts with the 3rd conductor 413, second reed 409 is connected with the 3rd conductor 413 by the second gold medal contact 410, spring lead 403 and weld tabs 404 conductings by being connected with second reed 409 again, weld tabs 404 and cathode conductor 402 conductings form another road closed circuit.

Please consult Fig. 4 again, oil-storing barrel 20 is provided with groove 201, and fuel level sensor 40 is installed in the groove 201, has greatly reduced the colliding with of fuel level sensor 40, the reduction in fuel level sensor working life of having avoided causing because of external force.

More than disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the present utility model.

Claims

1. electric fuel pump assembly, comprise the flange plate, the oil-storing barrel that is connected with described flange plate that are used for fixing described fuel oil pump assembly, be arranged on and be used to extract and export the pump core of fuel oil in the oil-storing barrel and be connected the fuel level sensor that the oil-storing barrel outside is used to detect oil level, it is characterized in that, described fuel level sensor further comprises: positive wire, cathode conductor, spring lead, weld tabs, copper tip, circuit board, first reed, the first gold medal contact, second reed and the second gold medal contact, and described positive wire is connected with described circuit board by described copper tip; The described first gold medal contact and the second gold medal contact are separately positioned on described first reed and second reed, and the described first gold medal contact all is connected with described circuit board with the second gold medal contact; Described spring lead connects first reed, second reed and described weld tabs, and described weld tabs is connected with described cathode conductor.

2. electric fuel pump assembly as claimed in claim 1 is characterized in that, bucket arranged outside of the described end has a groove, and described fuel level sensor is arranged in the described groove.

3. electric fuel pump assembly as claimed in claim 1 is characterized in that, riveted joint is connected with second reed with described first reed respectively with the second gold medal contact in the described first gold medal contact.