CN101886593A - Quick-start oil circuit system for digital portable generator - Google Patents
Quick-start oil circuit system for digital portable generator Download PDFInfo
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- CN101886593A CN101886593A CN 201010225724 CN201010225724A CN101886593A CN 101886593 A CN101886593 A CN 101886593A CN 201010225724 CN201010225724 CN 201010225724 CN 201010225724 A CN201010225724 A CN 201010225724A CN 101886593 A CN101886593 A CN 101886593A
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Abstract
The invention discloses a quick-start oil circuit system for a digital portable generator, which comprises an oil tank, an oil switch, an automatic oil suction pump and a carburetor which are sequentially connected together through oil delivery pipelines. The quick-start oil circuit system is characterized by further comprising a manual oil suction pump, wherein, the oil inlet and the oil outlet of the manual oil suction pump are respectively communicated with the oil delivery pipelines at two ends of the automatic oil suction pump through the oil inlet pipe and the oil outlet pipe of the manual oil suction pump. In the invention, as the quick-start oil circuit system is provided with a manual oil circuit, a user can more rapidly transport fuel oil in the oil tank to the carburetor by the additional manual oil suction pump to ensure that an engine can be quickly started without frequent hand-pulling recoil like the conventional technology, thus greatly saving time and effort of the user and providing more convenience for the user to use the digital portable generator.
Description
Technical field
The present invention relates to a kind of quick-start oil circuit system for digital portable generator.
Background technique
As everyone knows, present little, the compact structure of digital portable generator volume, fuel tank can not as common generator, directly be arranged in Carburetor above, but be usually placed in a side of engine hand pulling dish.And in order to obtain bigger volume of fuel tank, the fuel tank overwhelming majority all is lower than the oil inlet pipe of Carburetor, start the function proper functioning in order to make, an automatic oil scavenge pump generally all is set, to Carburetor, digital portable generator has in the market all adopted this kind device to the negative pressure that this oil scavenge pump produces when utilizing the engine crankcase ventilation basically with the fuel delivery in the fuel tank.
But oil scavenge pump needs enough negative pressure could discharge the air that exists in the oil pipe automatically, automatically oil scavenge pump also needs enough big negative pressure ability proper functioning, during the motor initial start-up, the rotating speed that pulls recoil is 600-800rpm, this moment, the motor venting pressure was very little, generally need several startings down even the tens of starting down could off-loading and the air in the oil scavenge pump oil pipe automatically, thereby and have only when air drains after automatic oil scavenge pump just can start working fuel delivery to Carburetor is piloted engine.Obviously a large amount of time and efforts of user is wasted in the starting that pulls under tens of, more can make the user think that there are serious quality problems in motor.
Summary of the invention
The present invention seeks to: provide a kind of user of need not to pull recoil and just the fuel oil in the fuel tank can be delivered to faster the quick-start oil circuit system for digital portable generator to pilot engine in the Carburetor, thereby save user's time and strength.
Technological scheme of the present invention is: a kind of quick-start oil circuit system for digital portable generator comprises the fuel tank, oil switch, automatic oil scavenge pump and the Carburetor that link to each other by the pipeline road order; It is characterized in that also comprising manual oil scavenge pump, this manual oil scavenge pump into and out of hydraulic fluid port respectively by manual oil scavenge pump oil inlet pipe and manually the oil scavenge pump oil outlet tube be connected with the pipeline road at oil scavenge pump two ends automatically.
The present invention is specifically by fuel tank, the fuel tank oil outlet tube, oil switch, connect oil pipe, first three-way pipe, manual oil scavenge pump oil inlet pipe, manual oil scavenge pump, manual oil scavenge pump oil outlet tube, automatic oil scavenge pump oil inlet pipe, automatic oil scavenge pump, automatic oil scavenge pump oil outlet tube, second three-way pipe, Carburetor oil inlet pipe and Carburetor are formed jointly, the oil outlet of described fuel tank links to each other with the filler opening of oil switch through the fuel tank oil outlet tube, the oil outlet of oil switch links to each other with first interface of first three-way pipe through connecting oil pipe, second interface of first three-way pipe links to each other with the filler opening of manual oil scavenge pump through manual oil scavenge pump oil inlet pipe, the 3rd interface of first three-way pipe links to each other with the filler opening of automatic oil scavenge pump through automatic pump inlet pipe simultaneously, and the oil outlet of oil scavenge pump links to each other with first interface of second three-way pipe through automatic oil pump outlet line automatically, second interface of this second three-way pipe links to each other with the oil outlet of manual oil scavenge pump through manual oil scavenge pump oil outlet tube, and the 3rd interface of second three-way pipe links to each other with the Carburetor filler opening through the Carburetor oil inlet pipe simultaneously.
Manual oil scavenge pump can adopt routine techniques described in the present invention, certainly in order further to simplify manual oil suction pump structure, and strengthen its convenience of use, the present invention preferably takes following design form: this manual oil scavenge pump comprises the pump housing and is fixed on the pump head of pump housing front end, pump housing inside is provided with cavity, be provided with piston in the cavity, be provided with " O " RunddichtringO between piston periphery and cavity wall, and be fixed with the pull bar that stretches out pump housing afterbody on the piston, and support between piston and pump housing bottom interior wall and be provided with piston reset spring; Being located on the pump head of this manual oil scavenge pump into and out of hydraulic fluid port, be provided with fuel-displaced one-way valve in the pump head simultaneously, this fuel-displaced one-way valve is made up of rubber stopper, steel ball and steel ball Returnning spring, described rubber stopper middle part has the oil outlet that connects on the pump head and the oil outlet of pump housing internal cavities, and the steel ball Returnning spring is pressed against steel ball on this oil outlet; Also one-body molded on the described rubber stopper have a rubber capping, and described rubber capping covers the filler opening on the pump head from the inboard, thereby constitute the in line check valve that points to pump housing internal cavities.
In fact this quick-start oil circuit system for digital portable generator of the present invention comprises two oil circuits, wherein one is exactly conventional automatic oil circuit, it is by fuel tank, the fuel tank oil outlet tube, oil switch, connect oil pipe, first three-way pipe, automatic oil scavenge pump oil inlet pipe, automatic oil scavenge pump, automatic oil scavenge pump oil outlet tube, second three-way pipe, Carburetor oil inlet pipe and the Carburetor composition that is linked in sequence, the effect of this oil circuit is the same with prior art: after engine start, automatic oil scavenge pump wherein mainly utilizes the ventilation of engine crankcase to produce negative pressure, thereby fuel oil is delivered to Carburetor endlessly, guarantees the motor proper functioning.Another oil circuit then is a manual oil circuit newly-increased among the present invention, it is by fuel tank, the fuel tank oil outlet tube, oil switch, connect oil pipe, first three-way pipe, manual oil scavenge pump oil inlet pipe, manual oil scavenge pump, manual oil scavenge pump oil outlet tube, second three-way pipe, Carburetor oil inlet pipe and the Carburetor composition that is linked in sequence, the effect of this oil circuit is as follows: start for the first time or oil tank fuel when being lower than the Carburetor filler opening at motor, use manual oil scavenge pump fast fuel from fuel tank to be delivered in the Carburetor, guarantee to start the function quick starting, along with the rotating speed of motor improves rapidly, the air in the eliminating pipeline road that can be very fast then, and, it is started working fuel oil energy is delivered in the Carburetor endlessly producing enough negative pressure in the oil scavenge pump automatically.
The manual oil circuit that increases newly among the present invention, its critical component is manual oil scavenge pump, the working principle of this manual oil scavenge pump is as follows: when oil suction is initial, airtight and the maintenance vacuum state of cavity in the pump housing, along with user's pull-up pull bar, move behind the piston, fuel oil can enter and back down the rubber capping and flow to cavity from the filler opening on the pump head under action of pressure, and be pressed against steel ball the oil outlet of rubber stopper on owing to the steel ball Returnning spring this moment, so the outside air can not enter in the cavity by the oil outlet on pump head.Treat that piston moves the end to, fuel oil can be full of cavity, thereby finishes oil-absorbing process.When sending oil, pushing drawing rod, piston reach, the cavity internal pressure increases, and backs down steel ball, makes that the oil outlet of fuel oil on pump head quickens to flow out in the chamber in, and this moment filler opening owing to being compressed sealing, so fuel oil can not be back to fuel tank from filler opening by the rubber capping.
The present invention is in practical operation, the pull bar that the user only need spur this manual oil scavenge pump just can be delivered to Carburetor with the fuel oil in the fuel tank three to four times fast, thereby quick start engine, and when automatic oil scavenge pump proper functioning, manually oil scavenge pump is in sealing state fully, fuel oil can not refunded, so can not influence automatic oil scavenge pump work.
Advantage of the present invention is:
1. this quick-start oil circuit system for digital portable generator provided by the invention, possesses manual oil circuit, the user by the manual oil scavenge pump that increases can be faster with the fuel delivery in the fuel tank to Carburetor, guarantee that motor can quick starting, frequently the routine techniques pull recoil and need not to resemble, thereby saved user's time and strength greatly, made the user can be convenient more when using digital portable generator.
2. this quick-start oil circuit system for digital portable generator provided by the invention, though it possesses two oil circuits, mutual noninterference between these two oil circuits, when automatic oil circuit is worked, manually oil circuit sealing, there is not backflow phenomenon in fuel oil, reasonable in design, and reliable operation.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is an overall structure schematic representation of the present invention;
Fig. 2 is the manual oil scavenge pump concrete structure schematic representation (oil suction state) among the present invention;
Fig. 3 is the manual oil scavenge pump concrete structure schematic representation (sending oil condition) among the present invention.
Wherein: 1, fuel tank; 2, fuel tank oil outlet tube; 3, oil switch; 4, connect oil pipe; 5, first three-way pipe; 6, manual oil scavenge pump oil inlet pipe; 7, manual oil scavenge pump; 701, filler opening; 702, oil outlet; 703, the pump housing; 704, pump head; 705, piston; 706, " O " RunddichtringO; 707, pull bar; 708, rubber stopper; 709, steel ball; 710, piston reset spring; 711, steel ball Returnning spring; 712, rubber capping; 8, manual oil scavenge pump oil outlet tube; 9, automatic oil scavenge pump oil inlet pipe; 10, automatic oil scavenge pump; 11, automatic oil scavenge pump oil outlet tube; 12, second three-way pipe; 13, Carburetor oil inlet pipe; 14, Carburetor.
Embodiment
Embodiment: in conjunction with shown in Figure 1, this quick-start oil circuit system for digital portable generator that present embodiment provides is by fuel tank 1, fuel tank oil outlet tube 2, oil switch 3, connect oil pipe 4, first three-way pipe 5, manual oil scavenge pump oil inlet pipe 6, manual oil scavenge pump 7, manual oil scavenge pump oil outlet tube 8, automatic oil scavenge pump oil inlet pipe 9, automatic oil scavenge pump 10, automatic oil scavenge pump oil outlet tube 11, second three-way pipe 12, Carburetor oil inlet pipe 13 and Carburetor 14 are formed jointly, the oil outlet of described fuel tank 1 links to each other through the filler opening of fuel tank oil outlet tube 2 with oil switch 3, the oil outlet of oil switch 3 links to each other with first interface of first three-way pipe 5 through connecting oil pipe 4, second interface of first three-way pipe 5 links to each other with the filler opening 701 of manual oil scavenge pump 7 through manual oil scavenge pump oil inlet pipe 6, the 3rd interface of first three-way pipe 5 links to each other with the filler opening of automatic oil scavenge pump 1 through automatic pump inlet pipe 9 simultaneously, and the oil outlet of oil scavenge pump 10 links to each other with first interface of second three-way pipe 12 through automatic oil pump outlet line 11 automatically, second interface of this second three-way pipe 12 links to each other with the oil outlet 702 of manual oil scavenge pump 7 through manual oil scavenge pump oil outlet tube 8, and the 3rd interface of second three-way pipe 12 links to each other with Carburetor 14 filler openings through Carburetor oil inlet pipe 13 simultaneously.
Further combined with Fig. 2 and shown in Figure 3, the manual oil scavenge pump 7 in the present embodiment specifically is made up of filler opening 701, oil outlet 702, the pump housing 703, pump head 704, piston 705, " O " RunddichtringO 706, pull bar 707, rubber stopper 708, steel ball 709, piston reset spring 710, steel ball Returnning spring 711 and rubber capping 712.The pump housing 703 is cup-shaped, pump head 704 buckles and is fixed on the pump housing 703 front ends, the pump housing 703 inside are provided with cavity, piston 705 is set in the cavity, be provided with " O " RunddichtringO 706 between piston 705 peripheries and cavity wall, and be fixed with the pull bar 707 that stretches out the pump housing 703 afterbodys on the piston 705, and support between piston 705 and the pump housing 703 bottom interior wall and establish piston reset spring 710; Being located on the pump head 704 of this manual oil scavenge pump 7 into and out of hydraulic fluid port 701,702, be provided with fuel-displaced one-way valve in the pump head 704 simultaneously, this fuel-displaced one-way valve is made up of rubber stopper 708, steel ball 709 and steel ball Returnning spring 711, described rubber stopper 708 middle parts have the oil outlet of the oil outlet 702 that connects on the pump head 704 and the pump housing 703 internal cavities, and steel ball 709 is pressed against on this oil outlet by steel ball Returnning spring 711; Also one-body molded on the described rubber stopper 708 have a rubber capping 712, and described rubber capping 712 covers the filler opening 701 on the pump head 704 from the inboard, thereby constitute the in line check valve that points to the pump housing 703 internal cavities.
In fact this quick-start oil circuit system for digital portable generator that present embodiment provides comprises two oil circuits, wherein one is exactly conventional automatic oil circuit, it is by fuel tank 1, fuel tank oil outlet tube 2, oil switch 3, connect oil pipe 4, first three-way pipe 5, automatic oil scavenge pump oil inlet pipe 9, automatic oil scavenge pump 10, automatic oil scavenge pump oil outlet tube 11, second three-way pipe 12, Carburetor oil inlet pipe 13 and Carburetor 14 composition that is linked in sequence, the effect of this oil circuit is the same with prior art: after engine start, automatic oil scavenge pump 10 wherein mainly utilizes the ventilation of engine crankcase to produce negative pressure, thereby fuel oil is delivered to Carburetor 14 endlessly, guarantees the motor proper functioning.Another oil circuit then is a manual oil circuit newly-increased among the present invention, it is by fuel tank 1, fuel tank oil outlet tube 2, oil switch 3, connect oil pipe 4, first three-way pipe 5, manual oil scavenge pump oil inlet pipe 6, manual oil scavenge pump 7, manual oil scavenge pump oil outlet tube 8, second three-way pipe 12, Carburetor oil inlet pipe 13 and Carburetor 14 composition that is linked in sequence, the effect of this oil circuit is as follows: start for the first time or fuel tank 1 fuel oil when being lower than Carburetor 14 filler openings at motor, use manual oil scavenge pump 7 fast fuel from fuel tank 1 to be delivered in the Carburetor 14, guarantee to start the function quick starting, along with the rotating speed of motor improves rapidly, the air in the eliminating pipeline road that can be very fast then, and, it is started working fuel oil energy is delivered in the Carburetor 14 endlessly producing enough negative pressure in the oil scavenge pump 10 automatically.
Above-mentioned manual oil circuit, its critical component is manual oil scavenge pump 7, the working principle of this manual oil scavenge pump 7 is as follows: at first as shown in Figure 2, when oil suction is initial, airtight and the maintenance vacuum state of cavity in the pump housing 703, along with user's pull-up pull bar 707, move behind the piston 705, fuel oil can enter and back down rubber capping 712 from the filler opening on the pump head 704 701 and flow to cavity under action of pressure, and be pressed against steel ball 709 oil outlet of rubber stopper 708 on owing to steel ball Returnning spring 711 this moment, so the outside air can not enter in the cavity through the oil outlet on the pump head 704 702.Treat that piston 705 moves the end to, fuel oil can be full of cavity, thereby finishes oil-absorbing process.Again as shown in Figure 3, when sending oil, pushing drawing rod 707, piston 705 reaches, the cavity internal pressure increases, and backs down steel ball 709, makes the oil outlet 702 acceleration outflows of fuel oil on pump head 704 in the chamber, and this moment filler opening 701 owing to compressed sealing, so fuel oil can not be back to fuel tank 1 from filler opening 701 by rubber capping 712.
In practical operation, the pull bar that the user only need spur this manual oil scavenge pump 7 just can be delivered to Carburetor 14 with the fuel oil in the fuel tank 1 707 3 to four times fast, thereby quick start engine, and when automatic oil scavenge pump 10 proper functioning, manually oil scavenge pump 7 is in sealing state fully, fuel oil can not refunded, so can not influence automatic oil scavenge pump 10 work.
Claims (3)
1. a quick-start oil circuit system for digital portable generator comprises the fuel tank (1), oil switch (3), automatic oil scavenge pump (10) and the Carburetor (14) that link to each other by the pipeline road order; It is characterized in that also comprising manual oil scavenge pump (7), this manual oil scavenge pump (7) into and out of hydraulic fluid port (701,702) respectively by manual oil scavenge pump oil inlet pipe (6) and manually oil scavenge pump oil outlet tube (7) be connected with the pipeline road at automatic oil scavenge pump (10) two ends.
2. quick-start oil circuit system for digital portable generator according to claim 1, it is characterized in that specifically by fuel tank (1), fuel tank oil outlet tube (2), oil switch (3), connect oil pipe (4), first three-way pipe (5), manual oil scavenge pump oil inlet pipe (6), manual oil scavenge pump (7), manual oil scavenge pump oil outlet tube (8), automatic oil scavenge pump oil inlet pipe (9), automatic oil scavenge pump (10), automatic oil scavenge pump oil outlet tube (11), second three-way pipe (12), Carburetor oil inlet pipe (13) and Carburetor (14) are common to be formed, the oil outlet of described fuel tank (1) links to each other through the filler opening of fuel tank oil outlet tube (2) with oil switch (3), the oil outlet of oil switch (3) links to each other with first interface of first three-way pipe (5) through connecting oil pipe (4), second interface of first three-way pipe (5) links to each other with the filler opening (701) of manual oil scavenge pump (7) through manual oil scavenge pump oil inlet pipe (6), the 3rd interface of first three-way pipe (5) links to each other with the filler opening of automatic oil scavenge pump (1) through automatic pump inlet pipe (9) simultaneously, and the oil outlet of oil scavenge pump (10) links to each other with first interface of second three-way pipe (12) through automatic oil pump outlet line (11) automatically, second interface of this second three-way pipe (12) links to each other with the oil outlet (702) of manual oil scavenge pump (7) through manual oil scavenge pump oil outlet tube (8), and the 3rd interface of second three-way pipe (12) links to each other with Carburetor (14) filler opening through Carburetor oil inlet pipe (13) simultaneously.
3. quick-start oil circuit system for digital portable generator according to claim 1 and 2, it is characterized in that described manual oil scavenge pump (7) comprises the pump housing (703) and is fixed on the pump head (704) of the pump housing (703) front end, the pump housing (703) inside is provided with cavity, be provided with piston (705) in the cavity, be provided with " O " RunddichtringO (706) between piston (705) periphery and cavity wall, and be fixed with the pull bar (707) that stretches out the pump housing (703) afterbody on the piston (705), and support between piston (705) and the pump housing (703) bottom interior wall and be provided with piston reset spring (710); Being located on the pump head (704) of this manual oil scavenge pump (7) into and out of hydraulic fluid port (701,702), be provided with fuel-displaced one-way valve in the pump head (704) simultaneously, this fuel-displaced one-way valve is made up of rubber stopper (708), steel ball (709) and steel ball Returnning spring (711), described rubber stopper (708) middle part has the oil outlet of the oil outlet (702) that connects on the pump head (704) and the pump housing (703) internal cavities, and steel ball (709) is pressed against on this oil outlet by steel ball Returnning spring (711); Described rubber stopper (708) is gone up the also one-body molded rubber capping (712) that has, and described rubber capping (712) covers the filler opening (701) on the pump head (704) from the inboard, thereby constitutes the in line check valve that points to the pump housing (703) internal cavities.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010225724 CN101886593A (en) | 2010-07-14 | 2010-07-14 | Quick-start oil circuit system for digital portable generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010225724 CN101886593A (en) | 2010-07-14 | 2010-07-14 | Quick-start oil circuit system for digital portable generator |
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| CN101886593A true CN101886593A (en) | 2010-11-17 |
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| CN 201010225724 Pending CN101886593A (en) | 2010-07-14 | 2010-07-14 | Quick-start oil circuit system for digital portable generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016222A (en) * | 2012-09-01 | 2013-04-03 | 尤文峰 | Mechanical oil conveying device |
| CN104047782A (en) * | 2014-06-16 | 2014-09-17 | 华为技术有限公司 | Engine fuel system and control method |
| CN106089457A (en) * | 2016-07-29 | 2016-11-09 | 盐城思隆机电有限公司 | The independent normally closed oil circuit breaker structure of gas engine |
| CN108533420A (en) * | 2017-03-02 | 2018-09-14 | 布里格斯斯特拉顿公司 | Transport valve system for outdoor power equipment |
| CN108825417A (en) * | 2018-09-03 | 2018-11-16 | 成都纵横大鹏无人机科技有限公司 | A kind of engine AFS Auxiliary Fuel Supply System and the unmanned plane using the system |
| CN108843472A (en) * | 2018-04-28 | 2018-11-20 | 浙江中力工具制造有限公司 | Chain saw with pre- oil feeding device |
| CN112761840A (en) * | 2021-01-29 | 2021-05-07 | 福建省大立通用机电制造有限公司 | Easy starting device |
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| JP2007315254A (en) * | 2006-05-24 | 2007-12-06 | Kioritz Corp | Fuel-air mixture generating device |
| CN101307740A (en) * | 2008-06-28 | 2008-11-19 | 浙江华丰电动工具有限公司 | Digital frequency conversion generator oil tank |
| CN201193578Y (en) * | 2008-03-28 | 2009-02-11 | 江苏财经职业技术学院 | Incline type small-sized four stroke gasoline engine |
| CN201794694U (en) * | 2010-07-14 | 2011-04-13 | 苏州市双马机电有限公司 | Quick starting oil way system of digital portable generator |
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2010
- 2010-07-14 CN CN 201010225724 patent/CN101886593A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007315254A (en) * | 2006-05-24 | 2007-12-06 | Kioritz Corp | Fuel-air mixture generating device |
| CN201193578Y (en) * | 2008-03-28 | 2009-02-11 | 江苏财经职业技术学院 | Incline type small-sized four stroke gasoline engine |
| CN101307740A (en) * | 2008-06-28 | 2008-11-19 | 浙江华丰电动工具有限公司 | Digital frequency conversion generator oil tank |
| CN201794694U (en) * | 2010-07-14 | 2011-04-13 | 苏州市双马机电有限公司 | Quick starting oil way system of digital portable generator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016222A (en) * | 2012-09-01 | 2013-04-03 | 尤文峰 | Mechanical oil conveying device |
| CN104047782A (en) * | 2014-06-16 | 2014-09-17 | 华为技术有限公司 | Engine fuel system and control method |
| CN106089457A (en) * | 2016-07-29 | 2016-11-09 | 盐城思隆机电有限公司 | The independent normally closed oil circuit breaker structure of gas engine |
| CN108533420A (en) * | 2017-03-02 | 2018-09-14 | 布里格斯斯特拉顿公司 | Transport valve system for outdoor power equipment |
| CN108843472A (en) * | 2018-04-28 | 2018-11-20 | 浙江中力工具制造有限公司 | Chain saw with pre- oil feeding device |
| CN108843472B (en) * | 2018-04-28 | 2020-01-03 | 浙江中力工具制造有限公司 | Chain saw with pre-oil feeding device |
| CN108825417A (en) * | 2018-09-03 | 2018-11-16 | 成都纵横大鹏无人机科技有限公司 | A kind of engine AFS Auxiliary Fuel Supply System and the unmanned plane using the system |
| CN112761840A (en) * | 2021-01-29 | 2021-05-07 | 福建省大立通用机电制造有限公司 | Easy starting device |
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Open date: 20101117 |