CN202645794U - Back-spraying prevention device of oil tank - Google Patents
Back-spraying prevention device of oil tank Download PDFInfo
- Publication number
- CN202645794U CN202645794U CN 201220284907 CN201220284907U CN202645794U CN 202645794 U CN202645794 U CN 202645794U CN 201220284907 CN201220284907 CN 201220284907 CN 201220284907 U CN201220284907 U CN 201220284907U CN 202645794 U CN202645794 U CN 202645794U
- Authority
- CN
- China
- Prior art keywords
- air filter
- fuel tank
- oil tank
- carburetor
- fixed base
- 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 - Lifetime
Links
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to the technical field of oil tank pressure of small-size gasoline engines, in particular to a back-spraying prevention device of an oil tank. The back-spraying prevention device of the oil tank comprises a carburetor, an oil tank, an air filter fixing base, a balancer assembly and an air filter cover, wherein the air filter fixing base is fixed on the carburetor, the oil tank is arranged below the carburetor, the oil tank is provided with communicating holes, the carburetor is communicated with the oil tank through an oil intake pipe and an oil return pipe, the oil inlet pipe and the oil return pipe pass through the communicating holes and are communicated with the oil tank, the air filter cover is rotatably connected with the air filter fixing base through a rotating shaft, and the balancer assembly is arranged on the air filter fixing base, is connected with the communicating holes through a pressure relief pipe and is communicated with the oil tank. The back-spraying prevention device of the oil tank, provided by the utility model, is simple in structure and reasonable in design.
Description
Technical field
The utility model relates to the tank pressure technical field of miniature gasoline engine, particularly a kind of fuel tank counter-jetting resistance device.
Background technique
The fuel tank of existing miniature gasoline engine produces the phenomenon of fuel from fuel tank mouth ejection easily when internal pressure is too high in the market, and then to the certain pollution of physical environment generation, and can have certain harm to human body, on the other hand, the power of petrol engine is not high enough, and oil inflame is abundant not.
The model utility content
The utility model provides a kind of fuel tank counter-jetting resistance device simple in structure, reasonable in design.
The utility model is achieved through the following technical solutions:
A kind of fuel tank counter-jetting resistance device, comprise Carburetor, fuel tank, the air filter fixed base, balace weight assembly and air filter cover, described air filter fixed base is fixed on the described Carburetor, described fuel tank is located at described Carburetor below, described fuel tank is provided with intercommunicating pore, described Carburetor is connected with described fuel tank by oil inlet pipe and return tube, described oil inlet pipe and return tube pass described intercommunicating pore and are connected with described fuel tank, described air filter cover is rotationally connected by rotating shaft and described air filter fixed base, described balace weight assembly is located on the described air filter fixed base, be connected with described intercommunicating pore by relief tube, and be connected with described fuel tank.
Described air filter fixed base is provided with double-deck filter pulp.
Also be provided with pouring orifice on the described fuel tank, described pouring orifice is provided with spiral cover.
The beneficial effect that the utility model brings is:
In the utility model, described fuel tank counter-jetting resistance device comprises Carburetor, fuel tank, air filter fixed base, balace weight assembly and air filter cover, described balace weight assembly is located on the described air filter fixed base, be connected with described intercommunicating pore by relief tube, and be connected with described fuel tank, when tank internal pressure is too high, fuel oil in the fuel tank can be discharged by relief tube and balace weight assembly, the fuel oil of discharge is adsorbed on the described double-deck filter pulp, and then avoided fuel leakage to the pollution of physical environment and to the harm of human body.And can promote the power of petrol engine, fuel oil is fully burnt, obtain good environmental benefit and economic benefit.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of fuel tank counter-jetting resistance device described in the utility model.
The label that component names is corresponding among the figure is as follows:
1, Carburetor; 2, fuel tank; 3, air filter fixed base; 4, balace weight assembly; 5, air filter cover; 6, intercommunicating pore; 7, oil inlet pipe; 8, return tube; 9, rotating shaft; 10, relief tube; 11, double-deck filter pulp; 12, reservoir port; 13, spiral cover.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Embodiment as fuel tank counter-jetting resistance device described in the utility model, as shown in Figure 1, comprise Carburetor 1, fuel tank 2, air filter fixed base 3, balace weight assembly 4 and air filter cover 5, described air filter fixed base 3 is fixed on the described Carburetor 1, described fuel tank 2 is located at described Carburetor 1 below, described fuel tank 2 is provided with intercommunicating pore 6, described Carburetor 1 is connected with described fuel tank 2 by oil inlet pipe 7 and return tube 8, described oil inlet pipe 7 and return tube 8 pass described intercommunicating pore 6 and are connected with described fuel tank 2, described air filter cover 5 is rotationally connected by rotating shaft 9 and described air filter fixed base 3, described balace weight assembly 4 is located on the described air filter fixed base 3, be connected with described intercommunicating pore 6 by relief tube 10, and be connected with described fuel tank 2.
In the present embodiment, described air filter fixed base 3 is provided with double-deck filter pulp 11.
In the present embodiment, also be provided with reservoir port 12 on the described fuel tank 2, described reservoir port 12 is provided with spiral cover 13.
Claims (3)
1. fuel tank counter-jetting resistance device, it is characterized in that comprising Carburetor, fuel tank, the air filter fixed base, balace weight assembly and air filter cover, described air filter fixed base is fixed on the described Carburetor, described fuel tank is located at described Carburetor below, described fuel tank is provided with intercommunicating pore, described Carburetor is connected with described fuel tank by oil inlet pipe and return tube, described oil inlet pipe and return tube pass described intercommunicating pore and are connected with described fuel tank, described air filter cover is rotationally connected by rotating shaft and described air filter fixed base, described balace weight assembly is located on the described air filter fixed base, be connected with described intercommunicating pore by relief tube, and be connected with described fuel tank.
2. fuel tank counter-jetting resistance device as claimed in claim 1 is characterized in that described air filter fixed base is provided with double-deck filter pulp.
3. fuel tank counter-jetting resistance device as claimed in claim 2 is characterized in that also being provided with reservoir port on the described fuel tank, and described reservoir port is provided with spiral cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284907 CN202645794U (en) | 2012-06-18 | 2012-06-18 | Back-spraying prevention device of oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284907 CN202645794U (en) | 2012-06-18 | 2012-06-18 | Back-spraying prevention device of oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645794U true CN202645794U (en) | 2013-01-02 |
Family
ID=47414911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220284907 Expired - Lifetime CN202645794U (en) | 2012-06-18 | 2012-06-18 | Back-spraying prevention device of oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645794U (en) |
-
2012
- 2012-06-18 CN CN 201220284907 patent/CN202645794U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |