CN213360286U

CN213360286U - Three-hole diffraction oil injection device for automobile fuel pump

Info

Publication number: CN213360286U
Application number: CN202021978992.2U
Authority: CN
Inventors: 李志明; 刘磊杰; 张强; 薛恒亮
Original assignee: Shenzhen Aojiade Automotive Electronics Co ltd
Current assignee: Shenzhen Aojiade Automotive Electronics Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-04
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a three hole diffraction fueling injection equipment of car fuel pump, including the fueling injection equipment main part, the fueling injection equipment main part mainly includes the oil storage bucket, the side bottom of oil storage bucket is equipped with an outer joint, one side that the inside bottom of oil storage bucket is close to the outer joint again has set gradually a return oil column, No. two return oil columns, oil feed column and No. three return oil columns, a foundation bucket oil gallery is then installed in the position that corresponds a return oil column, No. two return oil columns, oil feed column and No. three return oil columns to the bottom surface of oil storage bucket. Three hole diffraction fueling injection equipment of car fuel pump belongs to car fuel pump diffraction fueling injection equipment field, has strengthened diffraction oil return effect through the quantity that increases the diffraction hole, has improved the full oily efficiency of oil storage bucket, has shortened the ignition time, simultaneously in the external oil absorption pipeline of external joint department, can inhale the oil storage bucket with bellytank or distant fuel in to the fuel utilization ratio in distant place has been improved.

Description

Three-hole diffraction oil injection device for automobile fuel pump

Technical Field

The utility model relates to an automobile fuel pump diffraction fueling injection equipment field, in particular to three hole diffraction fueling injection equipment of automobile fuel pump.

Background

Most of diffraction oil injection devices of the existing automobile fuel pumps are single-hole diffraction, a small part of diffraction oil injection devices are double-hole diffraction, and the single-hole diffraction can only absorb and store fuel oil outside the barrel bottom of an oil barrel; and by means of double-hole diffraction, one hole is externally connected with a hose to suck the auxiliary fuel tank or remote fuel, and the other hole directly sucks and stores fuel outside the barrel bottom of the oil barrel. This two kinds of car fuel pump diffraction fueling injection equipment, the full oil time of oil storage bucket is longer relatively, causes the condition that the ignition just can normally start many times sometimes, needs redesign one kind can guarantee external oil absorption and can make the three hole diffraction fueling injection equipment of oil storage bucket full oil fast again.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides three hole diffraction fueling injection equipment of car fuel pump can effectively solve the problem of mentioning in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

three hole diffraction fueling injection equipment of car fuel pump, including the fueling injection equipment main part, the fueling injection equipment main part mainly includes the oil storage bucket, the side bottom of oil storage bucket is equipped with an outer joint, one side that the inside bottom of oil storage bucket is close to the outer joint again has set gradually a return oil column, No. two return oil columns, oil feed column and No. three return oil columns, a foundation bucket oil gallery is then installed in the position that corresponds a return oil column, No. two return oil columns, oil feed column and No. three return oil columns to the bottom surface of oil storage bucket.

Preferably, the lateral surface of oil storage bucket is provided with an indent cambered surface, and the waist position of this indent cambered surface is provided with the fixing clip of an integral type structure.

Preferably, the outer joint and the oil storage barrel are integrally formed members, and the outer joint is communicated with the bottom barrel oil return passage.

Preferably, No. one oil return column, No. two oil return columns, oil feed post and No. three oil return columns are vertically installed in the oil storage bucket respectively to the bottom of No. one oil return column, No. two oil return columns, oil feed post and No. three oil return columns all is provided with O type sealing washer with the junction of oil storage bucket, the position of No. one oil return column, No. two oil return columns, oil feed post and No. three oil return columns corresponds end bucket oil return way radian, and the oil feed post is located between No. two oil return columns and No. three oil return columns, and No. one oil return column is located the opposite side of No. two oil return columns.

Preferably, the bottom that corresponds a return oil post, No. two return oil posts, oil feed post and No. three return oil posts on the inside bottom face of oil storage bucket is provided with bottom oil duct, a aperture, No. two apertures and No. three apertures respectively, bottom oil duct, an aperture, No. two apertures and No. three apertures all are the integral type structure with the oil storage bucket to all communicate with the end bucket oil return way.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through improving traditional haplopore diffraction or diplopore diffraction fueling injection equipment, strengthened the diffraction oil return effect through the quantity that increases the diffraction hole, improved the full oily efficiency of oil storage bucket, shortened the ignition time, simultaneously in the external oil absorption pipeline of external joint department, can inhale the oil storage bucket with bellytank or distant fuel in to the fuel utilization ratio in distant place has been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the three-hole diffraction oil injection device of the fuel pump of the automobile of the present invention;

FIG. 2 is a top view of the three-hole diffraction oil injection device of the fuel pump of the present invention;

FIG. 3 is a bottom view of the three-hole diffraction oil injection device of the fuel pump of the present invention;

FIG. 4 is a side plan view of the three-hole diffraction fuel injection apparatus of the fuel pump of the present invention;

fig. 5 is a cross-sectional view taken at a-a in fig. 4.

In the figure: 1. a fuel injection device main body; 2. an oil storage barrel; 3. an outer joint; 4. an oil return column I; 5. a second oil return column; 6. an oil inlet column; 7. a third oil return column; 8. a bottom barrel oil return channel; 9. an O-shaped sealing ring; 10. A bottom oil passage; 11. a first aperture; 12. a second aperture; 13. a third aperture; 14. and (6) fixing the card.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, three hole diffraction fueling injection equipment of car fuel pump, including fueling injection equipment main part 1, fueling injection equipment main part 1 mainly includes oil storage bucket 2, the side bottom of oil storage bucket 2 is equipped with an outer joint 3, one side that the inside bottom of oil storage bucket 2 is close to outer joint 3 again has set gradually No. one oil return post 4, No. two oil return posts 5, oil inlet post 6 and No. three oil return posts 7, the bottom surface of oil storage bucket 2 is at No. one corresponding oil return post 4, No. two oil return posts 5, an end bucket oil gallery 8 is then installed to oil inlet post 6 and No. three oil return posts 7's position.

In this embodiment, the outer side surface of the oil storage barrel 2 is provided with an inner concave cambered surface, and a fixing clip 14 of an integrated structure is arranged at the waist part of the inner concave cambered surface.

In the present embodiment, the external joint 3 and the oil storage barrel 2 are integrally formed, and the external joint 3 is communicated with the barrel oil return passage 8.

In this embodiment, No. one returns oil column 4, No. two return oil columns 5, oil feed column 6 and No. three return oil columns 7 are vertical installation respectively in oil storage bucket 2, and No. one returns oil column 4, No. two return oil columns 5, the bottom of oil feed column 6 and No. three return oil columns 7 and the junction of oil storage bucket 2 all are provided with O type sealing washer 9, No. one returns oil column 4, No. two return oil columns 5, the position of oil feed column 6 and No. three return oil columns 7 corresponds end bucket oil return way 8 radians, and oil feed column 6 is located between No. two return oil columns 5 and No. three return oil columns 7, No. one returns oil column 4 and is located No. two return oil columns 5's opposite side.

In this embodiment, the bottom that corresponds No. one oil return post 4, No. two oil return posts 5, oil feed post 6 and No. three oil return posts 7 on the inside bottom face of oil storage bucket 2 is provided with bottom oil duct 10, a aperture 11, No. two apertures 12 and No. three apertures 13 respectively, and bottom oil duct 10, an aperture 11, No. two apertures 12 and No. three apertures 13 all are the integral type structure with oil storage bucket 2 to all communicate with end bucket oil return way 8.

It should be noted that, in practical application, fuel oil flows to the bottom barrel oil return channel 8 from the oil inlet column 6, and is ejected out through the first small hole 11, the second small hole 12 and the third small hole 13 on the oil storage barrel 2 to generate diffraction, the bottom barrel oil return channel 8 is welded to the bottom of the oil storage barrel 2 through ultrasonic waves to form an oil walking channel, the fuel oil is distributed into the first small hole 11, the second small hole 12 and the third small hole 13, rubber piece interference sealing is realized between the first oil return column 4 and the oil storage barrel 2 through the O-shaped sealing ring 9, the diffracted fuel oil is sprayed into the oil storage barrel 2 along the first oil return column 4, and the oil storage barrel 2 is accelerated to be full of the fuel oil; rubber piece interference sealing is realized between the second oil return column 5 and the oil storage barrel 2 through an O-shaped sealing ring 9, fuel oil is ejected through the second small hole 12, negative pressure is generated at the outer joint 3, and the secondary oil tank or remote fuel oil is sucked into the second oil return column 5 through a connected hose to form diffraction, so that remote oil absorption is realized, and the oil storage barrel 2 is accelerated to be full of oil; rubber part interference sealing is realized between the third oil return column 7 and the oil storage barrel 2 through an O-shaped sealing ring 9, and diffracted fuel oil is sprayed into the oil storage barrel 2 along the third oil return column 7, so that the oil storage barrel 2 is filled with oil.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Three hole diffraction fueling injection equipment of car fuel pump, its characterized in that: including fueling injection equipment main part (1), fueling injection equipment main part (1) mainly includes oil storage bucket (2), the side bottom of oil storage bucket (2) is equipped with an outer joint (3), one side that the inside bottom of oil storage bucket (2) is close to outer joint (3) again has set gradually return oil column (4), No. two return oil columns (5), oil feed column (6) and No. three return oil columns (7), bottom surface of oil storage bucket (2) is corresponding return oil column (4), No. two return oil columns (5), oil feed column (6) and No. three return oil column (7) the position then install a foundation bucket oil return duct (8).

2. The three-hole diffraction fuel injection device for the automobile fuel pump according to claim 1, wherein: the outer side surface of the oil storage barrel (2) is provided with an inward concave cambered surface, and a fixing clamp (14) of an integrated structure is arranged at the waist part of the inward concave cambered surface.

3. The three-hole diffraction fuel injection device for the automobile fuel pump according to claim 1, wherein: the outer joint (3) and the oil storage barrel (2) are integrally formed components, and the outer joint (3) is communicated with the bottom barrel oil return channel (8).

4. The three-hole diffraction fuel injection device for the automobile fuel pump according to claim 1, wherein: no. one oil return post (4), No. two oil return posts (5), oil feed post (6) and No. three oil return posts (7) are vertically installed in oil storage bucket (2) respectively to the junction of the bottom of No. one oil return post (4), No. two oil return posts (5), oil feed post (6) and No. three oil return posts (7) and oil storage bucket (2) all is provided with O type sealing washer (9), the position of No. one oil return post (4), No. two oil return posts (5), oil feed post (6) and No. three oil return posts (7) corresponds end bucket oil return way (8) radian, and oil feed post (6) is located between No. two oil return posts (5) and No. three oil return posts (7), and No. one oil return post (4) is located the opposite side of No. two oil return posts (5).

5. The three-hole diffraction fuel injection device for the automobile fuel pump according to claim 4, wherein: the bottom that corresponds No. one oil return post (4), No. two oil return posts (5), oil feed post (6) and No. three oil return posts (7) is provided with bottom oil duct (10), aperture (11), aperture (12) and No. three apertures (13) respectively on the inside bottom face of oil storage bucket (2), bottom oil duct (10), aperture (11), aperture (12) and No. three apertures (13) all are the integral type structure with oil storage bucket (2) to all communicate with end bucket oil return way (8).