CN220470079U - Pressure reducing valve integrated structure of dual-fuel carburetor - Google Patents
Pressure reducing valve integrated structure of dual-fuel carburetor Download PDFInfo
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- CN220470079U CN220470079U CN202321985567.XU CN202321985567U CN220470079U CN 220470079 U CN220470079 U CN 220470079U CN 202321985567 U CN202321985567 U CN 202321985567U CN 220470079 U CN220470079 U CN 220470079U
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- pressure reducing
- carburetor
- reducing valve
- built
- oil duct
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- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000005266 casting Methods 0.000 abstract description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a pressure reducing valve connecting structure of a dual-fuel carburetor, which comprises a carburetor bottom cup, a connecting part and a pressure reducing valve shell, wherein the carburetor bottom cup, the connecting part and the pressure reducing valve shell are integrally formed, a built-in oil duct is arranged on a body of the connecting structure, one end of the built-in oil duct is led to an inner cavity of the carburetor bottom cup, and the other end of the built-in oil duct is led to an oil drain duct at the periphery of the pressure reducing valve shell. According to the utility model, the bottom cup of the carburetor, the L-shaped bracket and the pressure reducing valve shell are designed into an integral casting forming structure, and meanwhile, the external oil pipe is designed into an internal oil duct of the integral forming structure, so that the problem of multiple assembly procedures of small parts during assembly is solved, the assembly procedures are greatly simplified, the potential safety hazard caused by the external oil pipe and a series of problems caused by the external oil pipe are solved, and the carburetor has more optimized, concise and reliable structural design and stronger practicability.
Description
Technical Field
The utility model relates to the technical field of carburetors, in particular to a pressure reducing valve integrated structure of a dual-fuel carburetor.
Background
A dual fuel carburetor is a carburetor that is capable of fueling an engine with either liquid fuel or gaseous fuel and is typically provided with a pressure relief valve, i.e., a carburetor body that is connected to the pressure relief valve to form a unitary combination.
As shown in fig. 1, the carburetor bottom cup 1 is connected with the pressure reducing valve housing 3 through the L-shaped bracket 2, the oil drain hole 4 of the carburetor bottom cup 1 is connected with the oil drain hole 6 at the side of the pressure reducing valve housing through the additionally arranged external oil pipe 5, and the oil drain hole 6 is plugged with an oil drain screw, so that the oil drain operation is conveniently performed on the main side surface of the pressure reducing valve 3.
Such a conjoined combination structure has some drawbacks, such as:
(1) The screw hole at the bottom of the carburetor bottom cup is formed in the precision, the materials of the L-shaped bracket are selected, whether the L-shaped bracket is aligned with the screw hole at the bottom of the carburetor bottom cup, whether the L-shaped bracket is aligned with the screw hole on the pressure reducing valve shell, and the carburetor bottom cup, the L-shaped bracket and the pressure reducing valve shell are assembled by more small parts, so that the assembly is relatively troublesome, the assembly process is more, and the assembly production efficiency is low.
(2) Besides draining the oil in the bottom cup, the external oil pipe of the generator is always provided with oil in normal operation, and once the external oil pipe is damaged, aged or the joint falls off, the generator has great potential safety hazard. And thus the series of problems caused by the external tubing also adds intangibly to the manufacturing costs and man-hours, including but not limited to: the external oil pipe material is selected whether to reach the standard, whether to configure a spring jacket to protect the external oil pipe, and the small parts are assembled in multiple steps and are assembled reliably without oil leakage.
Therefore, the design of the conjoined combination structure is not reasonable, and in order to further solve the problem, further improvement and optimization of the conjoined combination structure are needed.
Disclosure of Invention
Based on the defects of the prior art, the utility model provides a pressure reducing valve conjoined structure of a dual-fuel carburetor, which designs a carburetor bottom cup, an L-shaped bracket and a pressure reducing valve shell into an integrally formed conjoined structure, and designs an external oil pipe into an internal oil duct which is arranged in the integrally formed conjoined structure, so that the problem of multiple assembly procedures of small parts during assembly is solved, the assembly procedures are greatly simplified, potential safety hazards caused by the external oil pipe and a series of problems caused by the assembly procedures are solved, and the pressure reducing valve conjoined structure has more optimized, concise and reliable structural design and stronger practicability.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a relief pressure valve disjunctor structure of dual fuel carburetor, includes carburetor end cup, connecting portion and relief pressure valve casing, carburetor end cup, connecting portion and relief pressure valve casing are integrated into one piece's disjunctor structure, be provided with built-in oil duct on disjunctor structure's the body, the inner chamber of carburetor end cup is led to the one end of built-in oil duct, the other end of built-in oil duct leads to the oil drain duct in relief pressure valve casing week.
Preferably, the upper part of the connecting part is integrally formed with the side wall of the carburetor bottom cup, and the lower part of the connecting part is integrally formed with the middle upper part of the bottom surface of the vertically arranged pressure reducing valve shell.
Preferably, the carburetor bottom cup, the connecting portion and the relief valve housing are integrally cast and formed as a one-piece structure.
Preferably, the upper end of the built-in oil duct is communicated with the bottom of the inner cavity of the carburetor bottom cup.
Preferably, the built-in oil duct is divided into two sections, namely a first built-in oil duct and a second built-in oil duct, the first built-in oil duct is led to the middle part of the pressure reducing valve shell along the connecting part from the inner cavity of the bottom cup of the carburetor, the second built-in oil duct is led to the oil drain duct of the periphery part of the pressure reducing valve shell along the middle part of the pressure reducing valve shell, and the first built-in oil duct and the second built-in oil duct positioned in the middle part of the pressure reducing valve shell are communicated.
Preferably, the connecting part is provided with a reinforcing rib.
The utility model has the beneficial effects that: according to the utility model, the carburetor bottom cup, the L-shaped bracket and the pressure reducing valve shell are designed into an integrally formed conjoined structure, and the external oil pipe is designed into the built-in oil duct which is built in the integrally formed conjoined structure, so that the problem of multiple assembly procedures of small parts during assembly is solved, the assembly procedures are greatly simplified, the potential safety hazard caused by the external oil pipe and a series of problems caused by the potential safety hazard are solved, and the carburetor has more optimized, concise and reliable structural design and stronger practicability.
Drawings
FIG. 1 is a schematic diagram of a carburetor and a pressure relief valve connected together to form a combination in accordance with the prior art.
FIG. 2 is a schematic illustration of an integrally cast construction of a carburetor bowl, connection portion, and relief valve housing according to an exemplary embodiment.
Fig. 3 is a left side view of fig. 2.
Description of the reference numerals: 1-a carburetor bottom cup 2-an L-shaped bracket 3-a pressure reducing valve shell 4-an oil drain hole 5-an external oil pipe 6-an oil drain hole;
12-connecting part 15-built-in oil duct 16-oil drain duct 15.1-first built-in oil duct 15.2-second built-in oil duct.
Detailed Description
In order that the above technical content and constructional features of the present utility model may be more readily understood by those skilled in the art, the present application will be further described with reference to the accompanying drawings and technical points.
Referring to fig. 2 and 3, the pressure reducing valve integrated structure of the dual-fuel carburetor of the utility model comprises a carburetor bottom cup 1, a connecting part 12 and a pressure reducing valve housing 3, wherein the carburetor bottom cup 1, the connecting part 12 and the pressure reducing valve housing 3 are integrated into a casting integrated structure, a built-in oil duct 15 is arranged on a body of the integrated structure, one end of the built-in oil duct 15 is led to an inner cavity of the carburetor bottom cup, the other end of the built-in oil duct 15 is led to an oil drain duct 16 at the periphery of the pressure reducing valve housing, and when the integrated structure is used, an oil drain screw is normally blocked on the oil drain duct 16.
In this embodiment, the upper portion of the connecting portion 12 is integrally formed with the side wall of the carburetor bowl 1, and the lower portion of the connecting portion 12 is integrally formed with the upper middle portion of the bottom surface of the vertically arranged relief valve housing 3.
In this embodiment, the upper end of the built-in oil duct 15 is led to the bottom of the inner cavity of the carburetor bottom cup 1, which is beneficial to clean emission of gasoline fuel of the carburetor bottom cup.
In this embodiment, the built-in oil duct 15 is divided into two sections, namely, a first built-in oil duct 15.1 and a second built-in oil duct 15.2, wherein the first built-in oil duct 15.1 leads to the middle part of the relief valve housing 3 along the connecting part from the inner cavity of the carburetor bottom cup 1, the second built-in oil duct 15.2 leads to the oil drain hole 16 at the periphery of the relief valve housing 3 along the middle part of the relief valve housing, and the first built-in oil duct 15.1 and the second built-in oil duct 15.2 at the middle part of the relief valve housing are communicated. When in use, the second built-in oil duct 15.2 penetrates out of the end part of the process hole of the oil drain hole 16 to be plugged.
In this embodiment, the connecting portion 12 is provided with a reinforcing rib, which is beneficial to improving the connection strength of the connecting portion 12.
According to the utility model, the carburetor bottom cup, the L-shaped bracket and the pressure reducing valve shell are cast into the integrally formed conjoined structure, and the external oil pipe is designed into the built-in oil duct which is internally arranged in the integrally formed conjoined structure, so that the problem of multiple assembly procedures of small parts during assembly is solved, the assembly procedures are greatly simplified, the potential safety hazard caused by the external oil pipe and a series of problems caused by the assembly procedures are solved, and the integral type carburetor has more optimized, concise and reliable structural design and stronger practicability.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a relief pressure valve disjunctor structure of dual fuel carburetor, includes carburetor bottom cup, connecting portion and relief pressure valve casing, its characterized in that: the carburetor bottom cup, the connecting part and the pressure reducing valve shell are of an integrally formed conjoined structure, a built-in oil duct is arranged on the body of the conjoined structure, one end of the built-in oil duct is led to the inner cavity of the carburetor bottom cup, and the other end of the built-in oil duct is led to an oil drain duct in the periphery of the pressure reducing valve shell.
2. The pressure reducing valve integrated structure of a dual fuel carburetor of claim 1, wherein: the upper part of the connecting part is integrally formed with the side wall of the carburetor bottom cup, and the lower part of the connecting part is integrally formed with the middle upper part of the bottom surface of the vertically arranged pressure reducing valve shell.
3. The pressure reducing valve integrated structure of a dual fuel carburetor according to claim 1 or 2, characterized in that: the carburetor bottom cup, the connecting part and the pressure reducing valve shell are of an integrally cast and formed conjoined structure.
4. The pressure reducing valve integrated structure of a dual fuel carburetor of claim 1, wherein: the upper end of the built-in oil duct is led to the bottom of the inner cavity of the carburetor bottom cup.
5. The pressure reducing valve integrated structure of a dual fuel carburetor of claim 1, wherein: the built-in oil duct is divided into two sections, namely a first built-in oil duct and a second built-in oil duct, wherein the first built-in oil duct leads to the middle part of the pressure reducing valve shell along the connecting part from the inner cavity of the carburetor bottom cup, the second built-in oil duct leads to an oil drain duct at the periphery of the second built-in oil duct along the pressure reducing valve shell from the middle part of the pressure reducing valve shell, and the first built-in oil duct and the second built-in oil duct at the middle part of the pressure reducing valve shell are communicated.
6. The pressure reducing valve integrated structure of a dual fuel carburetor of claim 1, wherein: and the connecting part is provided with a reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985567.XU CN220470079U (en) | 2023-07-27 | 2023-07-27 | Pressure reducing valve integrated structure of dual-fuel carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985567.XU CN220470079U (en) | 2023-07-27 | 2023-07-27 | Pressure reducing valve integrated structure of dual-fuel carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470079U true CN220470079U (en) | 2024-02-09 |
Family
ID=89775906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321985567.XU Active CN220470079U (en) | 2023-07-27 | 2023-07-27 | Pressure reducing valve integrated structure of dual-fuel carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470079U (en) |
-
2023
- 2023-07-27 CN CN202321985567.XU patent/CN220470079U/en active Active
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