CN210033663U - Carburetor and high-speed oil supply structure thereof - Google Patents
Carburetor and high-speed oil supply structure thereof Download PDFInfo
- Publication number
- CN210033663U CN210033663U CN201920885537.9U CN201920885537U CN210033663U CN 210033663 U CN210033663 U CN 210033663U CN 201920885537 U CN201920885537 U CN 201920885537U CN 210033663 U CN210033663 U CN 210033663U
- Authority
- CN
- China
- Prior art keywords
- speed
- oil
- nozzle
- storage chamber
- supply structure
- 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.)
- Active
Links
Images
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
A carburetor and a high-speed oil supply structure thereof, the carburetor comprises a high-speed oil supply structure which is arranged on a carburetor body, the body is provided with a metering chamber oil storage chamber, a high-speed nail oil storage chamber and a high-speed oil way, the high-speed oil way is communicated with the metering chamber oil storage chamber and the high-speed nail oil storage chamber, the high-speed oil supply structure comprises a high-speed nozzle, a high-speed one-way valve and a high-speed adjusting screw, the high-speed one-way valve is arranged on the body and is arranged on the high-speed oil path, the high-speed adjusting screw is arranged on the body and is used for controlling the on-off of the high-speed oil path, the head of the high-speed adjusting screw is positioned in the high-speed nail oil storage chamber, the high-speed nozzle is arranged corresponding to the high-speed nail oil storage chamber, the high-speed nozzle is provided with an oil nozzle which is communicated with the high-speed nail oil storage chamber, the high-speed adjusting screw is provided with an opening position and a closing position relative to the oil injection port respectively.
Description
Technical Field
The utility model relates to a carburetor, especially a carburetor and high-speed fuel feeding structure thereof.
Background
Referring to fig. 1-3, fig. 1 is a schematic diagram of a high-speed fuel supply structure of a carburetor according to the prior art, fig. 2 is a top view of fig. 1, and fig. 3 is a schematic diagram of a high-speed nozzle according to the prior art. As shown in the figure, the high-speed fuel supply structure of the carburetor of the prior art cannot avoid the problem that the sealing performance of the carburetor metering chamber is poor due to the position structure of the high-speed nozzle 30 and the thread structure of the high-speed adjusting screw 20, and the performance of the carburetor is directly affected because the metering chamber on the body 10 is directly communicated with the high-speed nail oil storage chamber. And the high-speed nozzle 30 of the prior art has a complex structure, resulting in higher process cost for both processing and installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the above-mentioned problem to prior art provides a high-speed fuel feeding structure of carburetor.
In order to achieve the above object, the present invention provides a high-speed oil supply structure of a carburetor, which is disposed on a body of the carburetor, wherein the body is provided with a metering chamber oil storage chamber, a high-speed nail oil storage chamber and a high-speed oil path, the high-speed oil path is communicated with the metering chamber oil storage chamber and the high-speed nail oil storage chamber, the high-speed oil supply structure comprises a high-speed nozzle, a high-speed adjusting screw and a high-speed check valve for controlling the on-off of the high-speed oil path, the high-speed check valve is mounted on the body and disposed on the high-speed oil path, the high-speed adjusting screw is mounted on the body, the head of the high-speed adjusting screw is located in the high-speed nail oil storage chamber, the high-speed nozzle is mounted on the body and disposed corresponding to the high-speed nail oil storage chamber, the high-speed nozzle is provided with an oil inlet, the high-speed adjusting screw is provided with an opening position and a closing position relative to the oil inlet hole respectively.
In the high-speed oil supply structure of the carburetor, the high-speed nozzle includes a nozzle body, the oil inlet and the oil jet are both disposed on the nozzle body, the oil jet is located at the bottom end of the nozzle body, the oil inlet and the oil jet are communicated through the oil jet, and the oil inlet is perpendicular to the axis of the oil jet.
In the high-speed oil supply structure of the carburetor, the nozzle body includes a first cylinder, a truncated cone and a second cylinder which are coaxially arranged, a diameter of a top of the truncated cone is equal to a diameter of the first cylinder, a diameter of a bottom of the truncated cone is equal to a diameter of the second cylinder, the diameter of the first cylinder is larger than the diameter of the second cylinder, the oil inlet is arranged on the first cylinder, and an axis of the oil inlet is perpendicular to an axis of the first cylinder.
In the high-speed oil supply structure of the carburetor, the first cylinder is provided with the annular groove, and the oil inlet is located in the middle of the annular groove.
In the high-speed oil supply structure of the carburetor, the oil injection port is a conical hole, the oil injection port is arranged on the second cylinder, and an axis of the oil injection port is coaxial with an axis of the second cylinder.
In the high-speed oil supply structure of the carburetor, the high-speed check valve is located above the high-speed adjusting screw and close to one side of the high-speed nozzle.
In order to better achieve the above object, the present invention further provides a high-speed oil supply structure of a carburetor, which is disposed on a body of the carburetor, wherein the body is provided with a metering chamber oil chamber, a high-speed nail oil chamber and a high-speed oil path, the high-speed oil path is communicated with the metering chamber oil chamber and the high-speed nail oil chamber, the high-speed oil supply structure comprises a high-speed nozzle, a high-speed adjusting screw and a high-speed check valve for controlling the on-off of the high-speed oil path, the high-speed check valve is mounted on the body and disposed on the high-speed oil path, the high-speed adjusting screw is mounted on the body, the head of the high-speed adjusting screw is located in the high-speed nail oil chamber, the high-speed nozzle is disposed corresponding to the high-speed nail oil chamber and is integrated with the body, the high-speed nozzle is provided with an oil injection port, the high-speed adjusting screw is provided with an opening position and a closing position relative to the oil injection port respectively.
In the high-speed oil supply structure of the carburetor, the body is provided with a fabrication hole corresponding to the high-speed nozzle and used for machining the oil injection port, and the fabrication hole is provided with the nozzle plug or the copper ball.
In the high-speed oil supply structure of the carburetor, the oil injection port is communicated with the high-speed nail oil storage chamber through an oil injection passage, the oil injection passage is opened by the screw head of the high-speed adjusting screw when the oil injection port is located at the opening position, and the oil injection passage is blocked by the screw head of the high-speed adjusting screw when the oil injection port is located at the closing position.
In order to better achieve the above object, the present invention further provides a carburetor, wherein the carburetor includes the above high-speed oil supply structure.
The technical effects of the utility model reside in that:
the utility model discloses avoided leading to carburetor measurement room leakproofness bad because of high-speed nozzle position structure and high-speed adjusting screw helicitic texture to directly influence the problem of carburetor performance, improved the leakproofness of carburetor, promoted the wholeness ability of carburetor.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
FIG. 1 is a schematic diagram of a prior art carburetor high speed fuel supply configuration;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a prior art high velocity nozzle configuration;
FIG. 4 is a schematic view of a carburetor according to an embodiment of the present invention;
fig. 5 is a schematic view of a high speed check valve according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;
fig. 8 is a schematic structural view of a high-speed nozzle according to an embodiment of the present invention;
fig. 9 is a schematic view of a high-speed oil supply structure according to another embodiment of the present invention.
Wherein the reference numerals
Prior Art
10 main body
20 high-speed adjusting screw
30 high-speed nozzle
The utility model discloses
1 main body
2 oil storage chamber of metering chamber
3 high-speed adjusting screw
4 high-speed nozzle
41 oil inlet hole
42 oil nozzle
43 nozzle body
44 oil spray hole
45 annular groove
46 first cylinder
47 second cylinder
48 conical frustum
5 high-speed nail oil storage chamber
6 high-speed check valve
7 nozzle blank
8 nozzle end cap
9 fabrication hole
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
referring to fig. 4-7, fig. 4 is a schematic structural view of a carburetor according to an embodiment of the present invention, fig. 5 is a schematic position view of a high-speed check valve 6 according to an embodiment of the present invention, fig. 6 is a sectional view taken along line a-a of fig. 5, and fig. 7 is a sectional view taken along line B-B of fig. 5. The utility model discloses a carburetor, be in including body 1 and setting high-speed fuel feeding structure on the body 1. The high-speed oil supply structure is arranged on a body 1 of a carburetor, a metering chamber oil storage chamber 2, a high-speed nail oil storage chamber 5 and a high-speed oil way are arranged on the body 1, and the high-speed oil way is communicated with the metering chamber oil storage chamber 2 and the high-speed nail oil storage chamber 5. The composition, structure, mutual position relation, connection relation and function of other parts of the carburetor are mature prior art, so that the details are not repeated herein, and the detailed description is only given below for the high-speed fuel supply structure of the present invention.
The high-speed oil supply structure of the utility model comprises a high-speed nozzle 4, a high-speed one-way valve 6 and a high-speed adjusting screw 3, wherein the high-speed one-way valve 6 is arranged on the body 1 and arranged on the high-speed oil path, the high-speed check valve 6 is positioned above the high-speed adjusting screw 3 and close to one side of the high-speed nozzle 4, the high-speed adjusting screw 3 is arranged on the body 1, the head of the high-speed adjusting screw 3 is positioned in the high-speed nail oil storage chamber 5, the high-speed nozzle 4 is installed on the body 1 and is arranged corresponding to the high-speed nail oil chamber 5, the high-speed nozzle 4 is provided with an oil inlet hole 41 and an oil nozzle 42 which are communicated with each other, the oil inlet hole 41 is communicated with the high-speed nail oil storage chamber 5, the high-speed adjusting screw 3 has an open position and a closed position with respect to the oil inlet hole 41, respectively.
Referring to fig. 8, fig. 8 is a schematic structural view of a high-speed nozzle according to an embodiment of the present invention. The high-speed nozzle 4 of the embodiment includes a nozzle body 43, the oil inlet 41 and the oil jet 42 are both disposed on the nozzle body 43, the oil jet 42 is located at one end of the nozzle body 43, the oil inlet 41 and the oil jet 42 are communicated through the oil jet 44, and the oil inlet 41 is perpendicular to an axis of the oil jet 44. The nozzle body 43 comprises a first cylinder 46, a truncated cone 48 and a second cylinder 47 which are coaxially arranged, the diameter of the top of the truncated cone 48 is equal to that of the first cylinder 46, the diameter of the bottom of the truncated cone 48 is equal to that of the second cylinder 47, the diameter of the first cylinder 46 is larger than that of the second cylinder 47, the oil inlet 41 is arranged on the first cylinder 46, and the axis of the oil inlet 41 is perpendicular to the axis of the first cylinder 46. The first cylinder 46 is provided with an annular groove 45, and the oil inlet 41 is located in the middle of the annular groove 45. The oil injection port 42 is a conical hole, the oil injection port 42 is arranged on the second cylinder 47, and the axis of the oil injection port 42 is coaxial with the axis of the second cylinder 47.
Referring to fig. 9, fig. 9 is a schematic view of a high-speed oil supply structure according to another embodiment of the present invention. The main difference between the high-speed oil supply structure of this embodiment and the previous embodiment is that the high-speed nozzle 4 is disposed corresponding to the high-speed nail oil storage chamber 5 and is an integral structure with the body 1, the high-speed nozzle 4 is provided with an oil injection port 42, the oil injection port 42 is communicated with the high-speed nail oil storage chamber 5, and the high-speed adjusting screw 3 has an open position and a close position respectively corresponding to the oil injection port 42. The oil injection port 42 is communicated with the high-speed nail oil storage chamber 5 through an oil injection oil path, the oil injection oil path is opened by the screw head of the high-speed adjusting screw 3 when the oil injection port is located at the opening position, and the oil injection oil path is blocked by the screw head of the high-speed adjusting screw 3 when the oil injection port is located at the closing position.
In this embodiment, the body 1 is provided with a fabrication hole 9 corresponding to the high-speed nozzle 4 for processing the oil nozzle 42, and the fabrication hole 9 is provided with a nozzle plug 8 or a copper ball. The method is characterized in that a nozzle blank 7 in the shape of a high-speed nozzle 4 is directly and integrally processed on a blank of a body 1, then a process hole 9 is processed corresponding to the nozzle blank 7, an oil nozzle 42 meeting the function of the high-speed nozzle 4 is processed through the process hole 9, the high-speed nozzle 4 does not need to be riveted on the body 1 again as in the previous embodiment, and finally the process hole 9 is blocked by a nozzle plug 8 or a copper ball so as to meet the requirement of the sealing performance of a high-speed oil supply system. The function of the high-speed nozzle 4 is met by machining, the installation and assembly processes of the high-speed nozzle 4 and the body 1 are omitted, and cost saving is facilitated.
When the carburetor works at high speed, fuel firstly flows into a high-speed oil way from the oil storage chamber 2 of the metering chamber and enters the high-speed nail oil storage chamber 5 through the high-speed check valve 6, at the moment, the high-speed adjusting screw is positioned at the opening position, and the fuel enters the high-speed nozzle 4 through the oil inlet hole 41 or the oil injection way and is sprayed out from the oil injection port 42, so that high-speed oil supply is realized.
The utility model discloses a set up high-speed check valve at high-speed adjusting screw front end, combine high-speed nozzle's structure, avoided among the prior art because of high-speed nozzle position structure problem to and the bad problem of carburetor measurement room leakproofness that leads to of high-speed adjusting screw helicitic texture problem, improve the leakproofness of carburetor, promoted the wholeness ability of carburetor.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. A high-speed oil supply structure of a carburetor is arranged on a carburetor body, a metering chamber oil storage chamber, a high-speed nail oil storage chamber and a high-speed oil way are arranged on the body, the high-speed oil way is communicated with the metering chamber oil storage chamber and the high-speed nail oil storage chamber, the high-speed oil supply structure is characterized by comprising a high-speed nozzle, a high-speed adjusting screw and a high-speed one-way valve for controlling the on-off of the high-speed oil way, the high-speed one-way valve is arranged on the body and is arranged on the high-speed oil way, the high-speed adjusting screw is arranged on the body, the head of the high-speed adjusting screw is positioned in the high-speed nail oil storage chamber, the high-speed nozzle is arranged on the body and corresponds to the high-speed nail oil storage chamber, an oil inlet hole and an oil injection port which are communicated with, the high-speed adjusting screw is provided with an opening position and a closing position relative to the oil inlet hole respectively.
2. A high-speed fuel supply structure of a carburetor according to claim 1, wherein said high-speed nozzle includes a nozzle body, said fuel inlet and said fuel injection port are provided in said nozzle body, said fuel injection port is provided at a bottom end of said nozzle body, said fuel inlet and said fuel injection port are communicated through said fuel injection port, and said fuel inlet is perpendicular to an axis of said fuel injection port.
3. A high speed fuel supply structure for a carburetor according to claim 2, wherein said nozzle body includes a first cylinder, a truncated cone, and a second cylinder coaxially arranged, a top diameter of said truncated cone being equal to a diameter of said first cylinder, a bottom diameter of said truncated cone being equal to a diameter of said second cylinder, a diameter of said first cylinder being larger than a diameter of said second cylinder, said fuel inlet hole being provided in said first cylinder, and an axis of said fuel inlet hole being perpendicular to an axis of said first cylinder.
4. A high speed fuel supply structure for a carburetor according to claim 3, wherein said first cylindrical body is provided with an annular groove, and said fuel inlet hole is located at a central portion of said annular groove.
5. The high speed fuel supply structure of a carburetor according to claim 4, wherein said fuel injection port is a conical bore, said fuel injection port is provided on said second cylinder, and an axis of said fuel injection port is coaxial with an axis of said second cylinder.
6. A high speed fuel supply structure for a carburetor according to claim 1, 2, 3, 4 or 5, wherein said high speed check valve is located on a side of said high speed nozzle above said high speed adjustment screw.
7. A high-speed oil supply structure of a carburetor is arranged on a carburetor body, the body is provided with a metering chamber oil storage chamber, a high-speed nail oil storage chamber and a high-speed oil path, the high-speed oil path is communicated with the metering chamber oil storage chamber and the high-speed nail oil storage chamber, it is characterized in that the high-speed oil supply structure comprises a high-speed nozzle, a high-speed adjusting screw and a high-speed one-way valve for controlling the on-off of the high-speed oil path, the high-speed one-way valve is arranged on the body and arranged on the high-speed oil path, the high-speed adjusting screw is arranged on the body, the head of the high-speed adjusting screw is positioned in the high-speed nail oil storage chamber, the high-speed nozzle is arranged corresponding to the high-speed nail oil storage chamber and is an integral structural member with the body, the high-speed nozzle is provided with an oil nozzle which is communicated with the high-speed nail oil storage chamber, the high-speed adjusting screw is provided with an opening position and a closing position relative to the oil injection port respectively.
8. The high-speed fuel supply structure of a carburetor according to claim 7, wherein a process hole for machining said fuel injection port is provided in said body in correspondence with said high-speed nozzle, and a nozzle plug or a copper ball is mounted on said process hole.
9. A high speed fuel supply structure for a carburetor according to claim 7 or 8, wherein said fuel injection port communicates with said high speed pin oil chamber through a fuel injection passage, and wherein a screw head portion of said high speed adjusting screw opens said fuel injection passage in said open position and closes said fuel injection passage in said closed position.
10. A carburetor according to any one of claims 1 to 9, including the high-speed fuel supply structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885537.9U CN210033663U (en) | 2019-06-13 | 2019-06-13 | Carburetor and high-speed oil supply structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885537.9U CN210033663U (en) | 2019-06-13 | 2019-06-13 | Carburetor and high-speed oil supply structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033663U true CN210033663U (en) | 2020-02-07 |
Family
ID=69347906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920885537.9U Active CN210033663U (en) | 2019-06-13 | 2019-06-13 | Carburetor and high-speed oil supply structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081686A (en) * | 2019-06-13 | 2020-12-15 | 华益机电有限公司 | Carburetor and high-speed oil supply structure thereof |
-
2019
- 2019-06-13 CN CN201920885537.9U patent/CN210033663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081686A (en) * | 2019-06-13 | 2020-12-15 | 华益机电有限公司 | Carburetor and high-speed oil supply structure thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6839796B2 (en) | Fuel injection device | |
| CN201361598Y (en) | Dripping-free air auxiliary atomizing nozzle | |
| US20120325922A1 (en) | Method of generating spray by fluid injection valve, fluid injection valve, and spray generation apparatus | |
| US3387790A (en) | Fuel injection nozzle | |
| CN210033663U (en) | Carburetor and high-speed oil supply structure thereof | |
| CN103047062A (en) | Electronic control oil sprayer for injection valve | |
| US3511442A (en) | Sumpless fuel injection nozzle | |
| US4394970A (en) | Fuel injection nozzle for combustion engines | |
| CN112024152A (en) | Air control spherical universal nozzle | |
| US9856827B2 (en) | Anti-adjusting rotary valve type carburetor | |
| CN203175733U (en) | Control jet flat valve structure of electronic control fuel injector | |
| CN100422545C (en) | Oil spray nozzle | |
| US5694898A (en) | Injector with fuel-dispersing skirt | |
| CN112081686A (en) | Carburetor and high-speed oil supply structure thereof | |
| CN112502879A (en) | Fuel injection valve | |
| CN207126708U (en) | A kind of pneumatic type airbrush | |
| CN105673287A (en) | High-voltage common-rail electrically-controlled oil sprayer | |
| CN101749159B (en) | Fuel injection electronic unit injector of a diesel engine | |
| CN209604181U (en) | A kind of high power density high pressure common rail injector | |
| CN202756152U (en) | Connecting structure of oil atomizer body and oil inlet connector | |
| EP0361359A1 (en) | A multi-nozzle injector for an internal combustion engine | |
| CN220415563U (en) | Electric control fuel injector with variable needle valve opening speed | |
| CN221169806U (en) | Oil sprayer | |
| US10072614B2 (en) | Anti-adjusting rotary valve type carburetor | |
| US5411212A (en) | Fuel injection valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |