CN205445785U - Portable generator set - Google Patents

Abstract

The utility model relates to a portable generator set, this generating set include engine, generator, oil tank and casing, engine, generator and oil tank hold inside the casing, the oil tank comprises fuel tank shell, oil tank port, fuel tank cap and oil tank top surface, the oil tank top surface is equipped with the inboard cavity that communicates with the oil tank inner chamber that forms of outside protruding structure, protruding structure for incline inclined when falling at generating set, the fuel in the oil tank can get into in the cavity. The utility model discloses generating set has improved its efficiency of being carried and security greatly, has obviously reduced artifical transport generating set's burden, makes generating set obtain splendid portability to allowwing generating set to incline inclined towards left side or right side and falling, improved the security greatly, the very big has made things convenient for generating set's transportation and has deposited.

Description

A kind of portable power generation unit

Technical field

This utility model belongs to generating set technical field, is specifically related to a kind of portable power generation unit.

Background technology

Generating set is mainly made up of electromotor, electromotor and electric-control system, the chemical energy of fuel oil can be converted into electric energy, have a wide range of applications, such as: many occasions such as field work, emergence power, disaster treatment, open air life and power autonomous, the mobile communication base station of travelling, yacht and vehicle.

Compared with traditional power frequency Synchronous generator, the inverter generator group (InverterGenerator) using multi-polar permanent-magnet generator has efficiency height, volume advantage little, lightweight, its weight and volume only has about the 50% of conventional rack, is the generating set that really can realize " portable ".

But, the inverter generator group weight of about 2kw, also generally all at more than 20kg, is carried and is carried or be very inconvenient.As shown in Figure 1a, the solution of prior art is: arrange rotary type pull bar 202 on front side of generating set 2, in generating set 2 bottom rear along generating set lateral arrangement roller 201.When needs carrying generating set 2, rotary type pull bar 202 can be flipped up to extreme higher position, holding handle, to lift generating set anterior, tilts backwards generating set, the most just can drawing generator group 2 forward.But there is a lot of problem in this design, when operator lifts generating set front portion drawing generator group 2 forward, owing to generating set 2 (contrary with direction of advance) backward tilts, foot and the lower limb of generating set lower front region distance operator are close, it is easy to bump to operator, may result in injured time serious, this causes the biggest obstacle to operator's quick drawing generator group.And, rotary type pull bar 202 is opened and to regain process action more complicated, and it is the most convenient to operate, inefficient.On the other hand, during drawing generator group 2, it is anterior that operator must go the weight overcoming generating set just can lift generating set by power upwards all the time, owing to length L of generating set 2 is relatively big (more than width W), the center of gravity of generating set 2 and roller 201 center distance in the horizontal direction are relatively big, and it is the most laborious that operator carries generating set 2.In addition, two rollers 201 of existing generating set 2 share a wheel shaft, the wheel shaft running through whole generating set 2 wastes the space of casing internal, the roller that diameter is less can only be used, minor diameter roller is bigger with the roller resistance on ground, the adaptation ability of road conditions is poor, and during carrying, the handling capacity of generating set is the most poor.

In addition, existing generating set 2 is owing to height H is more than width W, and center of gravity is higher, easily topple over to the left and right sides, when on the vehicles being placed on the movement such as automobile or yacht, it is easy to topple over, cause the problems such as fuel leakage, not only pollute environment, also can cause potential safety hazard.

The portable power generation unit of this patent is conceived to the deficiency of existing generating set just, devises more reasonably pull rod device and roller devices for generating set, and devise for generating set topple over after will not leak the fuel tank of fuel oil.Therefore the generating set of this patent substantially increases efficiency and the safety of carrying generating set, substantially reduce the burden of a dead lift generating set, generating set is made to obtain splendid portability, and allow generating set to tilt to fall towards left side or right side, substantially increase safety, greatly facilitate the transport of generating set and deposit.

Utility model content

The problem that the purpose of this utility model is to overcome prior art to exist, it is provided that a kind of portable power generation unit.

For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, this utility model is achieved through the following technical solutions:

A kind of portable power generation unit, this generating set includes electromotor, electromotor, fuel tank and casing, described electromotor, electromotor and fuel tank are contained in casing internal, described fuel tank is made up of fuel tank shell, reservoir port, fuel tank cap and fuel tank end face, described fuel tank end face is provided with outwardly convex structure, the inner side of bulge-structure forms the cavity with fuel tank inner space, and for when generating set tilts and fell, the fuel oil in fuel tank can enter in cavity.

Further, described fuel tank also includes reservoir port cervical region and reservoir port bottom surface, and described reservoir port cervical region is the passage of the fuel oil turnover fuel tank formed by upwardly extending from reservoir port bottom surface, and the outside opening of this passage is reservoir port.

Further, this generating set be made up of electromotor, electromotor, fuel tank and casing have length L, width W and height H cuboid framework, it is provided with shock-absorbing foot in the bottom of generating set, and length L in described generating set cuboid framework is provided with callosity on the left surface that highly H-shaped becomes or right flank.

Further, length L in described generating set cuboid framework and the pull rod device being provided with drawing and pulling type on the left surface that highly H-shaped becomes or right flank, the direction of described pull rod device is vertically arranged along the height H direction of generating set.

Further, the generating set homonymy being provided with described pull rod device being provided with roller devices, described roller devices is arranged on bottom generating set and arranges along the length L direction of generating set.

Further, it is being provided with reservoir port, fuel tank cap and fuel cock at the left surface or right flank of generating set, described reservoir port and corresponding fuel tank cap are arranged on the top of generating set, and the generating set side below reservoir port, fuel tank cap is provided with fuel cock.

Further, the casing of described generating set is provided with and safeguards cover plate, described safeguard that being provided with machine oil on cover plate safeguards cover plate.

Further, described generating set being provided with starting handle, the described handle that starts is arranged at left surface or the right flank of generating set.

Further, the described handle homonymy that starts is provided with choke handle.

Further, the top of described generating set is provided with handle, uses rotating manner to be connected or fixed form connects between handle with casing.

The beneficial effects of the utility model are:

The pull rod device of this utility model generating set and roller devices, and the fuel tank of anti-leak fuel oil, substantially increase efficiency and the safety of carrying generating set, substantially reduce the burden of a dead lift generating set, generating set is made to obtain splendid portability, and allow generating set to tilt to fall towards left side or right side, substantially increase safety, greatly facilitate the transport of generating set and deposit.

Accompanying drawing explanation

Fig. 1 a is the existing generating set shape assumption diagram of band roller and pull bar；

Fig. 1 b is generating set profile elementary contour and the structure chart of this utility model embodiment one；

Fig. 2 a and Fig. 2 b is the portion structure figure of the casing connection roller devices of this utility model embodiment one；

Fig. 2 c, Fig. 2 d and Fig. 2 e are the structure charts of this utility model roller devices；

Fig. 3 is the generating set front view of this utility model embodiment one；

Fig. 4 is the generating set left view of this utility model embodiment one；

Fig. 5 is the generating set right view of this utility model embodiment one；

Fig. 6 is the generating set top view of this utility model embodiment one；

Fig. 7 is the electric motor fan axonometric chart that the generating set of this utility model embodiment one is used

Fig. 8 is the generating set A-A sectional view of this utility model embodiment one；

Fig. 9 is the generating set B-B sectional view of this utility model embodiment one；

Figure 10 is the generating set C-C sectional view of this utility model embodiment one；

Figure 11 is the generating set D-D sectional view of this utility model embodiment one；

Figure 12 is the generating set of this utility model embodiment one fuel tank sectional view when vertically placing；

Figure 13 be this utility model embodiment one generating set towards right flank tilt fell time fuel tank sectional view；

Figure 14 is the fuel tank axonometric chart of this utility model embodiment one；

Figure 15 is the generating set axonometric chart of this utility model embodiment one；

Figure 16 is the generating set pull bar of this utility model embodiment one axonometric chart when opening；

Figure 17 is the power generator handling state stereogram of this utility model embodiment one；

Figure 18 is the generating set explosive view of this utility model embodiment one；

Figure 19 is the generating set right view of this utility model embodiment two；

Figure 20 is the generating set axonometric chart of this utility model embodiment two；

Figure 21 is the generating set A-A sectional view of this utility model embodiment two；

Figure 22 is the generating set explosive view of this utility model embodiment two.

nullLabel declaration in figure: 1. generating set，101. generating set leading flanks，102. generating set trailing flanks，103. generating set left surfaces，104. generating set right flanks，Bottom 105. generating sets，The most existing generating set，201. roller，202. rotary type pull bars，3. roller devices，301. roller，302. support，3021. buckle structure，3022. screw pole，303. wheel shaft，304. back-up ring，305. nut，4. pull rod device，401. pull bar，4011. first segment pull bar，4012. second section pull bar，Section 4013. the 3rd, pull bars，402. bar cylinders，403. handle，404. unlock button，410. screw，5. casing，501. left casing，5011. engine oil baffle，502. right casing，503. lower casing，5031. concave inward structure，5032. draw-in groove，504. safeguard cover plate，Cover plate safeguarded by 5041. machine oil，5042. engine oil baffle，505. air inlet，506. electrical appliance kit，Forms after 507.，508. handle，509. shock-absorbing foot，510. callosity，511. long spiro nail，512. airscoop shroud，Cover plate safeguarded by 513. spark plugs，514. connect cover plate，6. electromotor，601. crankcase，602. crankcase cover，6021. pouring orifice，603. bent axle，604. flywheel，605. fan，606. wind scooper，607. air filter，608. hand starter，609. start handle，610. stay cord，611. choke handles，7. electromotor，701. motor air inlets，702. motor airscoop shrouds，703. electric motor fan，8. fuel tank，801. reservoir port，802. fuel tank cap，803. rubber seal，804. reservoir port cover plates，805. fuel tank shell，806. reservoir port cervical regions，807. reservoir port bottom surfaces，808. fuel tank end faces，809. cavity，810. fuel level，9. fuel cock，901. fuel cock knobs，10. appliance panel，11. inverters，12. inverter cases.

Detailed description of the invention

Below with reference to the accompanying drawings and in conjunction with the embodiments, this utility model is described in detail.

This utility model 2 kinds of embodiments of offer:

1, embodiment one:

As shown in Fig. 1 b to Figure 18, portable power generation unit 1 of the present utility model is mainly made up of electromotor 6, electromotor 7, fuel tank 8, inverter 11, roller devices 3, pull rod device 4, casing 5, appliance panel 10.

As shown in figs, the electromotor 6 of the present embodiment is tilted cylinder electromotor, and the cylinder head of electromotor 6 tilts to generating set left surface 103, and multiple permanent magnet electromotor 7 is arranged on electromotor rear portion, it is connected with the outfan at engine crankshaft rear portion, belongs to rear-mounted electromotor.Vertical cylinder engine can certainly be selected as required, use forward type electromotor, to reduce the width W of generating set.Be provided with inverter 11 in electromotor front portion, inverter 11 is used for being converted into the medium frequency alternating current that multiple permanent magnet electromotor 7 exports the industrial-frequency alternating current of voltage stabilization.

As shown in Fig. 1 b to Figure 18, the elementary contour of generating set 1 is designed to a shape occupying rectangular parallelepiped space, its length L is more than or equal to width W, and electromotor 6, electromotor 7 and fuel tank 8 are housed inside in casing 5, and electromotor 6 is connected with the casing 5 of 105 bottom generating set.Width W in generating set 1 cuboid framework has become leading flank 101 and the trailing flank 102 of generating set with height H-shaped, length L has become left surface 103 and the right flank 104 of generating set with height H-shaped, and length L and width W define bottom 105 and the top of generating set.

As shown in Figure 10,12,13 and Figure 14, fuel tank 8 of the present utility model is arranged on the top of electromotor 6, and fuel tank 8 is mainly made up of fuel tank shell 805, reservoir port 801, fuel tank cap 802 and fuel tank end face 808.The fuel oil fallen in rear fuel tank 8 to prevent generating set 1 from tilting is leaked by reservoir port 801, this utility model is provided with cavity 809 in the inner side of fuel tank end face 808, making when generating set 1 is vertically placed in the present embodiment, fuel tank end face 808 is higher than reservoir port bottom surface 807.After generating set 1 tilts to fall towards generating set right flank 104, fuel oil in fuel tank 8 can enter cavity 809, the fuel level 810 tilting to fall in rear fuel tank 8 is minimized, owing to cavity 809 volume of this utility model top of oil-tank is bigger, after generating set 1 tilts to fall, fuel level 810 in fuel tank 8 will be less than reservoir port 801, it is ensured that fuel oil cannot leak from reservoir port 801.

Fuel tank 8 of the present utility model also includes reservoir port cervical region 806 and reservoir port bottom surface 807, and reservoir port cervical region 806 is the passage of the fuel oil turnover fuel tank 8 upwardly extending from reservoir port bottom surface 807 and being formed, and the outside opening of this passage defines reservoir port 801.When generating set 1 is vertically placed, fuel tank end face 808 of the present utility model is higher than reservoir port bottom surface 807, enough to guarantee cavity 809 volume of top of oil-tank.

As shown in Fig. 3 to Figure 18, being provided with four shock-absorbing foots 509 bottom generating set lower casing 503, when generating set 1 tilts to fall towards left surface 103 or right flank 104, the weight of generating set 1 is supported by callosity 510.During duty, generating set 1 is vertically placed, and now supports generating set 1 with shock-absorbing foot 509.Generating set 1 of the present utility model allows to tilt to fall towards right flank 104 when off working state, for this, generating set right casing 502 side is provided with four callosities 510, when generating set 1 tilts to fall towards right flank 104, utilizes callosity 510 to support the weight of generating set 1.

As shown in Fig. 1 b to Figure 18, in the pull rod device 4 being provided with drawing and pulling type near generating set right flank 104, pull rod device 4 is arranged along the height H direction (vertical direction) of generating set, the i.e. pull direction of its pull bar 401 is consistent with the height H direction of generating set, the top of pull rod device 4 is provided with the handle 403 exposed, and the bar cylinder 402 of pull rod device 4 links together with casing 5.

As shown in Fig. 1 b to Figure 18, it is provided with two roller devices 3 bottom generating set 105, each roller devices 3 comprises a roller 301 and wheel shaft 303 thereof, two rollers 301 are arranged along the length L direction (longitudinally) of generating set, the i.e. axis of roller 301 is consistent with the length L direction of generating set, being each provided with a roller 301 near generating set leading flank 101 and rear side 102, each roller 301 is connected bottom casing 5 by its support 302.

The pull rod device 4 of roller devices 3 and drawing and pulling type is positioned at the homonymy of generating set 1, all arranges near generating set right flank 104.

As shown in Fig. 8 to Figure 18, electromotor 6 of the present utility model, electromotor 7 and fuel tank 8 are housed inside in casing 5, casing 5 is mainly made up of left casing 501, right casing 502 and lower casing 503 etc., left casing 501 is positioned at generating set left surface 103, right casing 502 is positioned at generating set right flank 104, lower casing 503 constitutes bottom generating set 105, is connected with lower casing 503 by damping device bottom electromotor 6, and near bottom, connection has roller devices 3 to lower casing 503.The bar cylinder 402 of pull rod device 4 is from top to bottom through the perforate of right casing 502 side top, and two bar cylinders 402 are connected by screw 410 with right casing 502 away from the end of handle 403, and the handle 403 of pull rod device 4 exposes to right casing 502 top.The bar cylinder 402 of pull rod device 4 is connected with being connected cover plate 514 near one end of handle 403, connects cover plate 514 and is connected with the top of casing 5.

When needs manually transport generating set 1, hold handle 403 the being unlocked by pressing button 404 of pull rod device 4, pull up handle 403 and just can open pull rod device 4 quickly and easily, pull rod device 4 open after as shown in figure 16, then generating set 1 is tilted to the generating set right flank 104 arranging pull rod device 4, make generating set left surface 103 tilt to leave ground, as shown in figure 17, thus can utilize pull rod device 4 and roller devices 3 drawing generator group 1 forward.

Owing to during carrying, the incline direction of generating set 1 is consistent with its direction of advance, below generating set 1, the foot of distance operator and lower limb are farther out, will not bump to operator, and therefore operator can drawing generator group the most forward.On the other hand, owing to the axis of roller 301 is arranged to consistent with the length L direction of generating set by the present embodiment, length L relative to generating set 1, owing to the width W of generating set 1 is less, when tilting to haul generating set 1 to generating set right flank 104, the center of gravity of generating set 1 lies substantially in the surface at roller 301 center, operates the most laborsaving, when operator carries generating set 1, meeting very comfortable, substantially increases the portability of generating set.

As shown in Figure 10,16 and Figure 17, the pull rod device 4 of drawing and pulling type is mainly made up of pull bar 401, bar cylinder 402, handle 403, unblock button 404 etc., this pull rod device 4 is bitubular pull bar in the present embodiment, there are two bar cylinders 402, i.e. having bar cylinder 402 and the pull bar 401 of two set Parallel Symmetrics settings, often set comprises three joint pull bars and a bar cylinder 402.From first segment pull bar 4011 to the 3rd section pull bar 4013, pull bar cross section is gradually increased, the cross section of bar cylinder 402 is more than the cross section of Section of three pull bar 4013, drawing and pulling type pull bar 401 and bar cylinder 402 are pressed cross section size order and are constituted multistage nested structure, stretched in bar cylinder 402 or another joint pull bar the length of adjusting yoke device 4 by pull bar 401, pull bar 401 is housed inside after being fully retracted in bar cylinder 402, and bar cylinder 402 links together with casing 5.The most as required, drawing and pulling type pull rod device 4 of the present utility model can also be designed to monotubular pull bar (only one of which bar cylinder) or three pull bars (having three bar cylinders) etc., and these can be as alternative of the present utility model.

By the structure of above-mentioned drawing and pulling type pull rod device 4 with work process it can be seen that owing to pull rod device 4 of the present utility model have employed the nested stretching structure of more piece pull bar, it is easy to it is longer that length when pull rod device 4 being opened is done, operation can be more laborsaving.On the other hand, drawing and pulling type pull rod device 4 can quickly be opened and retract, and operates extremely convenient, and efficiency is the highest.And pull bar 401 does not takes up space after being fully retracted into bar cylinder 402, make portable power generation unit structure compacter.

As shown in Fig. 1 b to Figure 18, being each provided with a roller devices 3 at generating set leading flank 101 and rear side 102, roller devices 3 is arranged near generating set right flank 104, and the present embodiment roller devices 3 is connected with lower casing 503.Roller devices 3 is mainly made up of roller 301, support 302, buckle structure 3021, screw pole 3022, wheel shaft 303, back-up ring 304 and nut 305.There is oneself independent wheel shaft 303 two roller devices 3 inside, connect without wheel shaft between two roller devices 3.The roller 301 of roller devices 3 is in its support 302, the both sides of support 302 are connected with its wheel shaft 303 two ends respectively, they are linked together by wheel shaft 303 through its support 302 and roller 301, the two ends of wheel shaft 303 are each provided with a back-up ring 304 with spacing, and back-up ring 304 is in the pit outside its support 302.Support 302 is arranged in the concave inward structure 5031 bottom lower casing 503, and support 302 is connected with the draw-in groove 5032 bottom lower casing 503 by its buckle structure 3021.Support 302 top is provided with screw pole 3022, and screw pole 3022 is from the bottom up through lower casing 503 bottom opening, and the nut 305 above perforate is connected with screw pole 3022, is connected together with lower casing 503 by support 302.

Two rollers 201 of existing generating set 2 share a wheel shaft, these wheel shaft two ends are connected with two rollers 201, mid portion runs through whole casing, the wheel shaft occupying casing internal can waste larger space, which also limits roller diameter and can not do greatly, and minor diameter roller is bigger with the resistance to rolling on ground, therefore running resistance during power generator handling is bigger, the adaptation ability of pair of rollers road conditions is poor, and owing to wheel base is the nearest, during carrying, the handling capacity of generating set is the most poor.And each roller of this utility model 301 has oneself independent wheel shaft 303, each wheel shaft 303 two ends are supported by its support 302, without linking together between two wheel shafts 303, therefore casing 5 is internal without wheel shaft, casing internal space will not be wasted, therefore allow the roller using diameter bigger, substantially increase the adaptation ability of the various road conditions of pair of rollers, the running resistance of roller when reducing power generator handling, major diameter roller also improves handling capacity simultaneously.

Electromotor 6 top is provided with fuel oil box 8, generating set 1 top is provided with the reservoir port 801 and fuel tank cap 802 exposed, reservoir port 801 and fuel tank cap 802 are arranged on the not homonymy of pull rod device 4, as shown in Fig. 1 b to Figure 18, the present embodiment pull rod device 4 is arranged on generating set right flank 104, and therefore reservoir port 801 and fuel tank cap 802 are arranged in the left casing 501 of generating set left surface 103.In order to when preventing generating set 1 from tilting to fall towards right flank 104, fuel from fuel tank mouth 801 flows out, simultaneously in order to avoid to reservoir port 801 fuel up time, splashing fuel oil pollution pull rod device 4 out, the position of reservoir port 801 and fuel tank cap 802 should be far as possible from the handle 403 of pull rod device 4, and therefore the reservoir port 801 in the present embodiment and fuel tank cap 802 are arranged on the outermost of left casing 501.As shown in Figure 10, the cervical region of reservoir port 801 is provided with reservoir port cover plate 804, reservoir port cover plate 804 periphery arranges bossed edge, it is used for converging the fuel oil splashed out, it is provided with fuel oil outside the edge of projection and flows out breach, prevent the fuel oil in reservoir port cover plate 804 from trickling everywhere when overflowing unfetteredly.Between reservoir port cervical region 806 and reservoir port cover plate 804, it is provided with rubber seal 803, is used for preventing the fuel from fuel tank mouth neck portion 806 in reservoir port cover plate 804 from flowing into casing 5.

Electromotor 6 may utilize hand starter 608 and starts, pulling plate outer rim in hand starter 608 is wrapped stay cord 610, stay cord 610 one end is connected with pulling plate, and the other end is connected with starting handle 609, holds starting handle 609 and pulls pulling plate rotation can start electromotor 6.Start handle 609 and be arranged on the homonymy of pull rod device 4, as shown in Fig. 4, Fig. 8, Fig. 9 and Figure 11, the present embodiment pull rod device 4 is arranged on generating set right flank 104, therefore start handle 609 and be also disposed in generating set right flank 104, pull starting electromotor 6 for convenience, starting handle 609 and arrange near the handle 403 of pull rod device 4, so when starting, another hands can buttress handle 403 with stable electric generation unit 1.

Generating set 1 is provided with appliance panel 10, and as shown in Fig. 3, Figure 11, Figure 15 and Figure 18, in the present embodiment, appliance panel 10 is arranged on generating set leading flank 101.Appliance panel 10 is mainly made up of panel, various accessory power outlet, switch, display lamp, signal jack and ground terminal etc..Electrical panel 10 is arranged in electrical appliance kit 506, and the present embodiment electrical appliance kit 506 constitutes the front portion of casing 5, is connected with the rear side of left casing 501, right casing 502 and lower casing 503.

The top of generating set 1 is provided with handle 508, and handle 508 is between the handle 403 and fuel tank cap 802 of pull rod device 4.The handle 508 of the present embodiment is arranged on the bottom connecting cover plate 514, connects cover plate 514 and is connected with the top of casing 5, and handle 508 is for mentioning generating set 1 when carrying.The present embodiment handle 508 can rotate up around its root rotating shaft in use, and handle can expose the top of casing 5 to grasp.When not in use, handle 508 is regained downwards under spring force, is buried in the concave inward structure connecting cover plate, to avoid taking the parking space of generating set.Certainly handle 508 can also be designed to the most revolvable fixed form, now can make and casing 5 one, it is also possible to making single parts and be assembled together with casing, this design has used in other embodiments of the present utility model.In order to increase comfortableness when grasping handle 508, the handshake part of handle 508 can cover soft material, such as TPE, rubber or PVC etc..

Starting handle 609 homonymies and be provided with choke handle 611, as shown in Fig. 4, Fig. 9, Figure 11 and Figure 15, the present embodiment starts handle 609 and is arranged in right casing 502, and therefore choke handle 611 is also disposed in right casing 502.Choke handle 611 is connected with the choke on carburetor by drag-line, pulls choke handle 611 can close or open carburetter choke.When starting electromotor 6 under a cold state, being typically necessary closedown choke, electromotor 6 needs to open in time choke after starting, therefore choke handle 611 is provided with starting handle 609, to facilitate operation when electromotor 6 starts.

Reservoir port 801 and fuel tank cap 802 homonymy are provided with fuel cock 9 and knob 901 thereof, fuel cock 9 is arranged on the lower section of reservoir port 801, as shown in Fig. 5, Figure 11 and Figure 17, the present embodiment reservoir port 801 and fuel tank cap 802 are arranged in left casing 501, therefore fuel cock 9 is also disposed at left casing 501 side, so that the fuel pipe shortened between fuel tank 8, and be conducive to simplifying assembly technology.Fuel cock knob 901 is connected with fuel cock 9, and the oil-in of fuel cock 9 is connected with fuel tank 8, and oil-out is connected with engine and carburetor, for the fuel pipe being switched off or between fuel tank 8 and carburetor.

It is provided with in left casing 501 and safeguards cover plate 504, as shown in Fig. 5, Fig. 8, Figure 17 and Figure 18, it is not necessary to take generating set casing 5 apart, open and safeguard that cover plate 504 can be just that electromotor 6 is changed machine oil, cleaned air filter 607 and maintenance carburetor etc..Open and safeguard when cover plate 504 fills for electromotor or changes machine oil, in order to prevent machine oil from leaking into bottom of shell from electromotor pouring orifice 6021, the left casing 501 below pouring orifice 6021 is provided with engine oil baffle 5011.As shown in Figure 8, being particular in that of the present embodiment, is safeguarding that being additionally provided with single machine oil on cover plate 504 safeguards cover plate 5041, owing to machine oil safeguards that cover plate 5041 can quickly open and close, need not open and safeguard cover plate 504, just can easily fill and change machine oil.When opening machine oil and safeguarding cover plate 5041 for electromotor filling or replacing machine oil, in order to prevent machine oil from leaking into bottom of shell from electromotor pouring orifice 6021, the maintenance cover plate 504 below pouring orifice 6021 is also equipped with engine oil baffle 5042.

As shown in Fig. 5, Fig. 8 and Figure 11, air inlet 505 it is provided with below generating set left surface 103, the present embodiment air inlet 505 is arranged on airscoop shroud 512, it is outside that airscoop shroud 512 is arranged on left casing 501, it is connected with left casing 501 by screw, outside air is entered generating set 1 by air inlet 505, provides fresh air for electromotor work and generator set heat radiation.Between airscoop shroud 512 and left casing 501, it is provided with labyrinth structure, can prevent generating set internal noise from being leaked out, to reduce generating set external noise by air inlet 505.

As shown in Figure 8 and Figure 11, it is provided with inverter 11 in the casing 5 of generating set 1, it is anterior that inverter 11 is arranged on electromotor 6, inverter case 12 it is provided with between the air inlet 505 of inverter 11 and casing 5, fin and heat generating components on inverter 11 are housed inside in inverter case 12, one end of inverter case 12 is provided with air inlet, air inlet is docked and connected with air inlet 505, inverter 11 is cooled down for passage by the air from air inlet 505 with inverter case 12, and air passes through electromotor 6 and cools down it afterwards.Inverter case 12 is provided with an air outlet near air filter of engine 607, and the cold air before cooling inverter can preferentially enter air filter 607 and provide fresh air, to improve the high temperature power performance of generating set for engine combustion acting.

As shown in Fig. 5, Fig. 8 and Figure 18, on rear side of generating set 102 be provided with after forms 507, after the present embodiment, forms 507 constitute the rear portion of casing 5, and rear forms 507 are connected with the rear side of left casing 501, right casing 502 and lower casing 503.The top of rear forms 507 is motor exhaust and the discharge window of generating set cooling gas, and bottom is the air inlet 701 of electromotor 7 cooling.In order to prevent generating set noise from leaking from motor air inlet 701, it is internally provided with motor airscoop shroud 702 at rear forms 507, labyrinth structure is provided therebetween.Under the driving of electric motor fan 703, outside air enters electromotor 7 from motor air inlet 701 by motor airscoop shroud 702 and cools down it, in order to improve the cooling effect of generating set 1, electromotor of the present utility model have employed special electric motor fan 703, this electric motor fan 703 is the two-sided centrifugal fan of a kind of " on-bladed ", as shown in Figure 7.

In sum, the present embodiment generating set have employed top and is provided with the fuel tank 8 of cavity 809, at generating set right flank 104, callosity 510 is set, after guaranteeing that electromotor 1 tilts to fall towards generating set right flank 104, fuel oil in fuel tank 8 will not leak from reservoir port 801, substantially increase safety, greatly facilitate the transport of generating set and deposit.In addition, this utility model is arranging pull rod device 4 and the roller devices 3 of drawing and pulling type near generating set right flank 104, and roller 301 axis of roller devices 3 is arranged to consistent with generating set length (L) direction, and have employed the major diameter roller of compact conformation, substantially increase efficiency and the safety of carrying generating set, substantially reduce the burden of a dead lift generating set, make generating set obtain splendid portability.On this basis, this utility model has carried out a series of optimization to generating set casing 5, reservoir port 801, starting handle 609, inverter radiator structure, choke handle 611 and fuel cock 9 etc. and has designed, improve operation interface, further increase value of the product.

2, embodiment two:

Compared with embodiment one, main difference is that of embodiment two:

Casing 5 structure is different, and as shown in Figure 19 to Figure 22, the casing 5 in the present embodiment is made up of left casing 501 and right casing 502, without single lower casing, safeguards that cover plate 504 is arranged in right casing 502, and the air inlet 505 of generating set 1 is also disposed in right casing 502.Bottom left casing 501 and right casing 502, it is each provided with two shock-absorbing foots 509, left casing 501 side is provided with four callosities 510.

Electromotor 6 is different from the connected mode of casing 5, as shown in figure 21 and figure, two connecting holes it are provided with abreast bottom electromotor 6 in the present embodiment, sleeve it is provided with in connecting hole, being connected with damping by rubber sleeve between sleeve with connecting hole, the hole, location bottom left casing 501 is inserted in one end of sleeve, and the other end inserts the hole, location bottom right casing 502, long spiro nail 511 sequentially passes through right casing 502, sleeve and left casing 501, left casing 501, right casing 502 is linked together with electromotor 6.

The position that critical piece is arranged is different, and as shown in Figure 19 to Figure 22, the callosity 510 of the present embodiment is arranged on generating set left casing 501 side, when generating set 1 tilts to fall towards left surface 103, utilizes callosity 510 to support the weight of generating set 1.The present embodiment pull rod device 4 and roller devices 3 are all disposed within generating set left surface 103, all it is connected with left casing 501, roller devices 3 is arranged in the concave inward structure bottom left casing 501, starts handle 609 and choke handle 611 is also all disposed within left casing 501.

As shown in figure 21, the reservoir port 801 of the present embodiment and fuel tank cap 802 are arranged on right casing 502 top of generating set right flank 104, the cervical region of reservoir port 801 is clipped in be safeguarded between cover plate 504 and right casing 502, and fuel cock knob 901 is also disposed in right casing 502.

Handle 508 is different from the connected mode of casing 5, as shown in Figure 19 to Figure 22, uses fixed form to be connected between handle 508 of the present utility model and casing 5, and handle 508 can be made and casing 5 one, it is also possible to makes single parts and is assembled together with casing 5.In order to increase comfortableness when grasping handle 508, the handshake part of handle 508 can cover soft material, such as TPE, rubber or PVC etc..

Electromotor 6 is different with the structure of electromotor 7, as shown in figure 21 and figure, the electromotor 6 in the present embodiment is vertical cylinder engine, and multiple permanent magnet electromotor 7 is arranged on electromotor 6 front portion, the outfan anterior with engine crankshaft links together, and belongs to forward type electromotor.

The major advantage of the present embodiment is that casing 5 is relatively simple for structure, without lower casing, advantageously reduces cost.Additionally, use the electromotor of vertical cylinder to be conducive to reducing the width (W) of generating set.

This utility model principle

In this utility model, as shown in figure 16, when needs manually transport generating set 1, being unlocked by pressing button 404 pulls up handle 403 can the most quickly open the pull rod device 4 of drawing and pulling type, then the handle 403 on pull bar is held to the lopsidedness generating set 1 arranging pull rod device 4, now consistent with its direction of advance due to the incline direction of generating set 1, below generating set 1, the foot of distance operator and lower limb are farther out, operator will not be bumped to, it is ensured that operator can drawing generator group the most forward.And, when using preferred version, width (W) less (less than length L) due to generating set 1, the center of gravity of generating set 1 is generally within the surface at roller 301 center, the weight of whole generating set 1 is virtually all undertaken by roller devices 3, the burden of operator is the least, therefore can realize power generator handling easily, easily, substantially increase the portability of generating set.In addition, the each roller of this patent 301 has oneself independent wheel shaft 303, therefore casing 5 is internal without wheel shaft, will not take and waste casing internal space, therefore the roller using diameter bigger is allowed, substantially increasing the adaptation ability of the various road conditions of pair of rollers, the running resistance of roller when reducing power generator handling, major diameter roller also improves handling capacity simultaneously.

In addition, as shown in figure 12, when generating set 1 was after inclination was fallen, and the fuel oil in fuel tank 8 can enter cavity 809, so that fuel level 810 reduces.After generating set 1 tilts to fall, as shown in figure 13, when cavity 809 is sufficiently large, fuel level 810 in fuel tank 8 can be reduced to reservoir port less than 801, fuel oil cannot leak out from reservoir port 801, therefore the generating set of this patent allows to tilt to fall towards left side or right side, substantially increases safety, greatly facilitates the transport of generating set and deposit.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (10)

1. a portable power generation unit, this generating set (1) includes electromotor (6), electromotor (7), fuel tank (8) and casing (5), described electromotor (6), it is internal that electromotor (7) and fuel tank (8) are contained in casing (5), described fuel tank (8) is by fuel tank shell (805), reservoir port (801), fuel tank cap (802) and fuel tank end face (808) are constituted, it is characterized in that, described fuel tank end face (808) is provided with outwardly convex structure, the inner side of bulge-structure forms the cavity (809) with fuel tank (8) inner space, for when generating set (1) tilts and fell, fuel oil in fuel tank (8) can enter in cavity (809).

Portable power generation unit the most according to claim 1, it is characterized in that, described fuel tank (8) also includes reservoir port cervical region (806) and reservoir port bottom surface (807), described reservoir port cervical region (806) is the passage of fuel oil turnover fuel tank (8) formed by upwardly extending from reservoir port bottom surface (807), and the outside opening of this passage is reservoir port (801).

Portable power generation unit the most according to claim 1, it is characterized in that, this generating set (1) be made up of electromotor (6), electromotor (7), fuel tank (8) and casing (5) have length L, width W and height H cuboid framework, it is provided with shock-absorbing foot (509) in the bottom of generating set (1), and length L in described generating set (1) cuboid framework is provided with callosity (510) on the left surface (103) that highly H-shaped becomes or right flank (104).

Portable power generation unit the most according to claim 3, it is characterized in that, length L in described generating set (1) cuboid framework and the pull rod device (4) being provided with drawing and pulling type on the left surface (103) that highly H-shaped becomes or right flank (104), the direction of described pull rod device (4) is vertically arranged along the height H direction of generating set (1).

Portable power generation unit the most according to claim 4, it is characterized in that, generating set (1) homonymy being provided with described pull rod device (4) is provided with roller devices (3), and described roller devices (3) is arranged on (105) and the length L direction along generating set (1) bottom generating set and arranges.

Portable power generation unit the most according to claim 3, it is characterized in that, left surface (103) or right flank (104) place near generating set (1) is provided with reservoir port (801), fuel tank cap (802) and fuel cock (9), described reservoir port (801) and corresponding fuel tank cap (802) are arranged on the top of generating set (1), and the generating set side below reservoir port (801), fuel tank cap (802) is provided with fuel cock (9).

7., according to the portable power generation unit described in claim 1 or 3, it is characterised in that be provided with in the casing (5) of described generating set (1) and safeguard cover plate (504), described safeguard that being provided with machine oil on cover plate (504) safeguards cover plate (5041).

8., according to the portable power generation unit described in claim 1 or 3, it is characterised in that be provided with starting handle (609) on described generating set (1), the described handle (609) that starts is arranged on left surface (103) or right flank (104) place of generating set.

Portable power generation unit the most according to claim 8, it is characterised in that described starting handle (609) homonymy is provided with choke handle (611).

10., according to the portable power generation unit described in claim 1 or 3, it is characterised in that the top of described generating set (1) is provided with handle (508), use rotating manner to be connected between handle (508) with casing (5) or fixed form connects.