CN210289986U - Prevent remaining fuel sprayer of fluid - Google Patents

Prevent remaining fuel sprayer of fluid Download PDF

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Publication number
CN210289986U
CN210289986U CN201920922912.2U CN201920922912U CN210289986U CN 210289986 U CN210289986 U CN 210289986U CN 201920922912 U CN201920922912 U CN 201920922912U CN 210289986 U CN210289986 U CN 210289986U
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CN
China
Prior art keywords
oil
hole
nozzle
spray
spray nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920922912.2U
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Chinese (zh)
Inventor
刘凯
胡雅文
陈翠波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Yjt Fuel Injection Co ltd
Original Assignee
Kunshan Yjt Fuel Injection Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Yjt Fuel Injection Co ltd filed Critical Kunshan Yjt Fuel Injection Co ltd
Priority to CN201920922912.2U priority Critical patent/CN210289986U/en
Application granted granted Critical
Publication of CN210289986U publication Critical patent/CN210289986U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a prevent remaining fuel sprayer of fluid, include: the oil nozzle comprises an oil nozzle body, wherein an oil passage is arranged in the oil nozzle body, and the top of the oil passage is provided with an oil nozzle; the spray head is fastened on the oil injection port; wherein, the fluid passageway includes oil inlet, first bell mouth, second taper hole, nozzle opening, the oil inlet with the shaping has the shoulder between the first bell mouth, oil discharge hole has been seted up on the shoulder, oil discharge hole internal fixation is provided with and is used for separating oil discharge hole with the silica gel piece of first bell mouth, set up on the silica gel piece and make first bell mouth with the opening gap of oil discharge hole intercommunication, oil discharge hole still be connected with be used for with residual fluid in the fluid passageway is taken out from the pump body of fuel sprayer body. The oil nozzle capable of preventing oil liquid residue has the advantages of simple structure and convenience in use.

Description

Prevent remaining fuel sprayer of fluid
Technical Field
The utility model relates to an oil sprayer technical field especially relates to prevent remaining oil sprayer of fluid.
Background
The fuel injector is one of the key parts of the automobile, and the performance of the fuel injector can seriously affect the performance of the engine. The existing oil nozzle is generally of a simple valve body structure, an oil injection port is formed in one end of the valve body, an oil injection port is formed in the other end of the valve body, and after oil is injected by the oil nozzle, residual oil can be left in the valve body, so that the oil nozzle is prone to being blocked if not timely treated, normal operation of an automobile is affected, and therefore the oil nozzle capable of preventing oil from being residual is necessary to be researched.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned technique, the utility model provides a simple structure prevent remaining fuel sprayer of fluid.
The utility model provides a technical scheme that its technical problem adopted is: an oil jet for preventing oil residue, comprising: the oil nozzle comprises an oil nozzle body, wherein an oil passage is formed in the oil nozzle body, the oil passage vertically penetrates through the oil nozzle body, and the top of the oil passage is provided with an oil nozzle; the spray head is fastened on the oil injection port; the oil channel sequentially comprises an oil inlet, a first conical hole connected with the oil inlet, a second conical hole connected with the first conical hole, and an oil injection port connected with the second conical hole from bottom to top, a shaft shoulder is formed between the oil inlet and the first conical hole, a plurality of oil unloading holes are formed in the shaft shoulder and are used for communicating the periphery of the oil inlet with the first conical hole and the outside, the oil unloading holes are internally and fixedly provided with silica gel sheets for separating the oil unloading holes from the first conical hole, the silica gel sheets are provided with opening gaps communicated with the oil unloading holes, and the oil unloading holes are further connected with a pump body used for pumping residual oil in the oil channel away from the oil injection nozzle body.
Preferably, the oil discharge holes are distributed around the oil inlet in a circular array, wherein the number of the oil discharge holes is 4.
Preferably, the oil inlet, the first taper hole, the second taper hole and the oil injection port are coaxially arranged.
Preferably, the first taper hole is narrow down and wide up, the second taper hole is wide down and narrow up, and the height value of the first taper hole in the vertical direction is greater than the height value of the second taper hole in the vertical direction.
Preferably, the nozzle comprises a hollow cylinder with openings at the upper and lower ends, the cylinder is fastened in the oil injection port, a spray plate is fixedly arranged on the opening at the upper part of the cylinder, and a plurality of oil injection holes are formed in the spray plate.
Preferably, the edge of the spray plate is further formed with a limiting convex edge which is clamped on the outer side port of the oil injection port, the limiting convex edge is in a circular ring shape, and the limiting convex edge and the spray plate are integrally formed.
Preferably, the outer circumferential wall of the cylinder is formed with a plurality of barbs.
Preferably, the silica gel piece is located unload the top of oil hole, the opening gap is "ten" style of calligraphy.
Preferably, the middle lower part of the outer side wall of the oil nozzle body is a conical surface.
Preferably, a pair of inclined straight planes is symmetrically arranged at the top of the oil nozzle body.
Compared with the prior art, the utility model, its beneficial effect is: the oil nozzle for preventing oil liquid residue provided by the utility model has the advantages that the oil liquid channel comprises an oil inlet, a first taper hole, a second taper hole and an oil nozzle, a shaft shoulder part is arranged between the oil inlet and the first taper hole, an oil unloading hole is arranged on the shaft shoulder part, and the oil liquid residue in the oil liquid channel can be timely pumped away from the oil nozzle body through the oil unloading hole to prevent the oil liquid from solidifying and blocking the oil liquid channel, so that the oil nozzle has simple structure and convenient use; the first conical hole is narrow at the bottom and wide at the top, so that oil can be favorably accumulated to the oil discharge hole under the action of self gravity, and the discharge of residual oil is favorably realized; the second conical hole is wide at the bottom and narrow at the top, so that oil can flow into the first conical hole below under the action of self gravity, and the oil is prevented from being hung on the wall; in addition, first bell mouth is narrow down and wide form on, can slow down oil feed speed to do benefit to fluid entering fluid passageway, second bell mouth is wide down and narrow form on, can accelerate the speed of producing oil, thereby make fluid quick spout from the shower nozzle, have the effectual advantage of producing oil.
Drawings
Fig. 1 is a schematic structural diagram of an oil nozzle for preventing oil residue according to the present invention;
fig. 2 is a schematic view of an exploded structure of the oil nozzle for preventing oil residue according to the present invention;
fig. 3 is a schematic sectional structure view of the oil nozzle for preventing oil residue according to the present invention;
fig. 4 is a schematic sectional structure view of the fuel injection nozzle body of the present invention;
FIG. 5 is a schematic view of the position relationship between the oil inlet and the oil discharge hole of the present invention;
fig. 6 is a schematic structural view of the sprinkler head of the present invention;
FIG. 7 is an enlarged schematic view of region A in FIG. 3;
FIG. 8 is an enlarged schematic view of region B in FIG. 4;
fig. 9 is a schematic structural view of the silica gel sheet of the present invention.
In the figure: 10. an oil nozzle body; 11. an oil passage; 111. an oil inlet; 112. a first tapered bore; 113. a second tapered bore; 114. an oil injection port; 12. an oil discharge hole; 13. inclining the straight plane; 20. a spray head; 21. a cylinder; 211. a barb; 22. spraying a plate; 221. an oil spray hole; 23. a limiting convex edge; 30. a silica gel sheet; 31. and opening the gap.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1 to 9, the utility model provides a prevent remaining fuel sprayer of fluid, include: the oil injection nozzle comprises an oil injection nozzle body 10, wherein an oil passage 11 is formed in the oil injection nozzle body 10, the oil passage 11 vertically penetrates through the oil injection nozzle body 10, and an oil injection port 114 is formed in the top of the oil passage 11; the spray head 20, the said spray head 20 is fastened on the said oil jet 114; as shown in fig. 3 to 5, the oil passage 11 sequentially includes, from bottom to top, an oil inlet 111, a first tapered hole 112 connected to the oil inlet 111, a second tapered hole 113 connected to the first tapered hole 112, and the oil jet 114 connected to the second tapered hole 113, a shaft shoulder is formed between the oil inlet 111 and the first taper hole 112, a plurality of oil discharge holes 12 distributed around the oil inlet 111 for communicating the first taper hole 112 with the outside are formed on the shaft shoulder, a silica gel sheet 30 for separating the oil discharge hole 12 from the first taper hole 112 is fixedly arranged in the oil discharge hole 12, the silicone sheet 30 is provided with an opening gap 31 for communicating the first taper hole 112 with the oil discharge hole 12, the oil relief hole 12 is further connected with a pump body for pumping the residual oil in the oil passage 11 away from the oil nozzle body 10.
As an embodiment of the present disclosure, as shown in fig. 5, the oil discharge holes 12 are distributed around the oil inlet 111 in a circular array, wherein the number of the oil discharge holes 12 is set to be 4.
As an embodiment of the present disclosure, as shown in fig. 4, the oil inlet 111, the first taper hole 112, the second taper hole 113, and the oil injection port 114 are coaxially disposed.
As an embodiment of the present disclosure, as shown in fig. 4, the first tapered hole 112 is narrow at the bottom and wide at the top, the second tapered hole 113 is wide at the bottom and narrow at the top, and a height value of the first tapered hole 112 in the vertical direction is greater than a height value of the second tapered hole 113 in the vertical direction.
As an embodiment of the present disclosure, as shown in fig. 6 and 7, the nozzle 20 includes a cylinder 21 having a hollow interior and open upper and lower ends, the cylinder 21 is fastened in the oil injection port 114, an injection plate 22 is fixedly disposed on an upper opening of the cylinder 21, and a plurality of oil injection holes 221 are formed in the injection plate 22.
As an embodiment of the present disclosure, as shown in fig. 7, a limiting convex edge 23 clamped at an outer port of the oil injection port 114 is further formed on an edge of the nozzle plate 22, the limiting convex edge 23 is annular, and the limiting convex edge 23 and the nozzle plate 22 are integrally formed.
As an embodiment of the present invention, as shown in fig. 6, a plurality of barbs 211 are formed on the outer circumferential wall of the column body 21.
As an embodiment of the present scheme, as shown in fig. 9, the silicone sheet 30 is located at the top of the oil discharge hole 12, and the opening gap 31 is in a cross shape.
As an embodiment of the present solution, as shown in fig. 1 and 2, the middle lower portion of the outer side wall of the fuel injection nozzle body 10 is a conical surface to facilitate installation.
As an embodiment of the present solution, as shown in fig. 1 and 2, a pair of inclined straight planes 13 is symmetrically arranged on the top of the fuel injection nozzle body 10 for positioning.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a prevent remaining fuel sprayer of fluid which characterized in that includes:
the oil spray nozzle comprises an oil spray nozzle body (10), wherein an oil passage (11) is formed in the oil spray nozzle body (10), the oil passage (11) vertically penetrates through the oil spray nozzle body (10), and the top of the oil passage (11) is provided with an oil spray nozzle (114);
a spray head (20), the spray head (20) being fastened to the oil jet (114);
wherein the oil passage (11) sequentially comprises an oil inlet (111), a first taper hole (112) connected with the oil inlet (111), a second taper hole (113) connected with the first taper hole (112), and the oil injection port (114) connected with the second taper hole (113) from bottom to top, a shaft shoulder is formed between the oil inlet (111) and the first taper hole (112), a plurality of oil unloading holes (12) distributed around the oil inlet (111) and used for communicating the first taper hole (112) with the outside are formed in the shaft shoulder, a silica gel sheet (30) used for separating the oil unloading holes (12) and the first taper hole (112) is fixedly arranged in the oil unloading holes (12), and opening gaps (31) used for communicating the first taper hole (112) with the oil unloading holes (12) are formed in the silica gel sheet (30), the oil unloading hole (12) is also connected with a pump body used for pumping residual oil in the oil passage (11) away from the oil nozzle body (10).
2. The oil jet for preventing oil retention according to claim 1, wherein the oil discharge holes (12) are distributed around the oil inlet (111) in a circular array, wherein the number of the oil discharge holes (12) is set to 4.
3. The oil spray nozzle for preventing oil retention according to claim 1, wherein the oil inlet (111), the first tapered hole (112), the second tapered hole (113), and the oil spray port (114) are coaxially disposed.
4. The oil retention prevention nozzle according to claim 1, wherein the first tapered hole (112) has a narrow lower width and a wide upper width, the second tapered hole (113) has a wide lower width and a narrow upper width, and a height value of the first tapered hole (112) in a vertical direction is larger than a height value of the second tapered hole (113) in the vertical direction.
5. The oil spray nozzle for preventing oil residue according to claim 1, wherein the spray head (20) comprises a hollow cylinder (21) having openings at upper and lower ends, the cylinder (21) is fastened in the oil spray nozzle (114), the upper opening of the cylinder (21) is fixedly provided with a spray plate (22), and the spray plate (22) is provided with a plurality of oil spray holes (221).
6. The oil spray nozzle for preventing oil residue according to claim 5, characterized in that a limiting flange (23) for being clamped at the outer side port of the oil spray opening (114) is further formed on the edge of the spray plate (22), the limiting flange (23) is annular, and the limiting flange (23) is integrally formed with the spray plate (22).
7. The oil jet nozzle for preventing oil retention according to claim 5, wherein the cylinder (21) has a plurality of barbs (211) formed on an outer circumferential wall thereof.
8. The oil spray nozzle for preventing oil residue according to claim 1, wherein the silicone sheet (30) is located at the top of the oil discharge hole (12), and the opening gap (31) is in a cross shape.
9. The oil spray nozzle for preventing oil retention according to claim 1, characterized in that the middle and lower portion of the outer sidewall of the nozzle body (10) is a conical surface.
10. The oil jet for preventing oil retention according to claim 1, characterized in that a pair of inclined straight planes (13) are symmetrically provided on the top of the oil jet body (10).
CN201920922912.2U 2019-06-19 2019-06-19 Prevent remaining fuel sprayer of fluid Expired - Fee Related CN210289986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920922912.2U CN210289986U (en) 2019-06-19 2019-06-19 Prevent remaining fuel sprayer of fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920922912.2U CN210289986U (en) 2019-06-19 2019-06-19 Prevent remaining fuel sprayer of fluid

Publications (1)

Publication Number Publication Date
CN210289986U true CN210289986U (en) 2020-04-10

Family

ID=70097457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920922912.2U Expired - Fee Related CN210289986U (en) 2019-06-19 2019-06-19 Prevent remaining fuel sprayer of fluid

Country Status (1)

Country Link
CN (1) CN210289986U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200410