CN2625178Y - Cooking combined vehicle - Google Patents

Abstract

The utility model relates to a cooking trailer, which comprises a trailer underpan, a cabin, a trailer suspension device, a trailer inertia brake device, a trailer covering hood, a cooking combustion tools, a staple and non-staple food processing equipment and other auxiliary equipments positioned on the underpan. The utility model is characterized in that: the trailer suspension device adopts a horizontal positioning concentric torque axle independent suspension system; the trailer inertia brake device adopts a backing self-induction inertia control system; the covering hood adopts a full open umbrella shape system. Besides, the utility model adopts a multifunctional set type cooking pot, a diesel fuel combusting device with fast pre-heating and no carbon deposition, an oil gas conveyance pipe ensuring the split and instant switching of oil gas and fuel oil as well as a small size hand blower. With the advantages of low gravity center, capable of realizing backing and ground cooking operation, fast folding and spreading of covering hood and large protection area, the utility model can be widely applied for different outdoor mobile operation.

Description

Kitchen work full trailer

Technical field

The utility model relates to a kind of self-propelled vehicle trailer, particularly about a kind of kitchen work full trailer that is equiped with multiple main non-staple food Fabricating machinery.

Background technology

Trailer is the form that extensively adopts in the present vehicular transport, and it can increase vehicle transportation amount effectively, particularly utilizes trailer to load catering facility, and field mobile operation institute is essential especially.Kitchen work full trailer is by chassis of trailer, be arranged on the cabin body on the chassis, be arranged on main non-staple food Fabricating machinery, burner section in the body of cabin, the canopy cover and other attendant equipment that are arranged on body top, cabin constitute, there is following problem in existing kitchen work full trailer: 1, traditional chassis of trailer generally adopts the BF form to connect car body and wheel as the trailer suspension gear, its volume is big, body gravity is higher, not only stationarity is relatively poor in the vehicle ' process, and chassis of trailer is higher, can not realize the esd ground of cooking operation.2, the inertia braking device of existing trailer, when the train-type vehicle cruising brakes, can make the trailer travelling brake by the effect of friction force, but when reversing automobile, the formulation system opens mechanism and equally also can drive brake strap braking trailer, therefore uses the train-type vehicle of inertia braking device not move backward at present on trailer.3, existing satellite trailer canopy cover is made up of tarpaulin and bearing support, and bearing support is " ∩ " shape, and two ends are fixed on the left and right sides frame of cabin body, covering and fixedly tarpaulin above, and the canopy cover pretective acreage of this form is little, uses inconvenient.4, the existing diesel fuel burner that is arranged on the trailer, therefore its temperature booster very easily damages owing to be in the highest point of temperature, in case and temperature booster breaking-up or blocked into and out of hydraulic fluid port, then it can't be disassembled and change or cleaning, its one can only be abandoned, cause bigger waste; In addition, the heat absorption capacity of temperature booster is lower, and the preheating speed is slower.5, the staple food equipment in the existing main non-staple food Fabricating machinery generally adopts iron, aluminium and pressure cooker to cook, it not only easily is burned but also easily smoke blowing, though existing a kind of movable type is made pot for cooking rice and solved above-mentioned defective, but exist thin rice gruel excessive and remain big fire heating, the problem that consumption of fuel is big.

Summary of the invention

It is low that the purpose of this utility model provides a kind of body gravity, can move backward the big and fast speed kitchen work full trailer of taking down the exhibits of canopy cover pretective acreage.

For achieving the above object, the utility model is taked following technical scheme: a kind of kitchen work full trailer, it comprises chassis of trailer and the cabin body that is provided with on it, the trailer suspension gear, trailer inertia braking device, trailer canopy cover, the cooking burner, major and minor food Fabricating machinery, and other accessory equipment is characterized in that:

Described trailer suspension gear comprises the torsion shaft that two symmetries are provided with one heart, the two ends of each described torsion shaft connect a castellated shaft and a small rack respectively, described castellated shaft is connected with big support by two copper bush, described big support and small rack are welded on the underbeam respectively, be provided with mounting hole in the middle of putting the beams in place, described two torsion shafts are made axial restraint with bolt and clamp respectively, and balancing device is welded on the described castellated shaft;

Described trailer inertia braking device comprises: one opens mechanism, floats to be arranged on the braking of two on backboard shoe plate, and an end of described brake strap is connected to described two ends of opening mechanism, and connects a retracing spring between the described two braking shoe plates; The other end of described two braking shoe plates is arranged on a supporting base and an inducing pull board, the brake strap of an end captive joint one side of described supporting seat, and the other end of described supporting base is articulated on the described backboard with described inducing pull board is coaxial; Described inducing pull board has two elongation ends, wherein an elongation end is connected with the described brake strap of this side by a retracing spring, another elongation end has protruding, the concave surface of an arc, and is corresponding with it, and the end of described brake strap has uses the arc convex protruding with described arc, that concave surface cooperates;

Described trailer canopy cover is made up of tarpaulin and bracing frame, support frame as described above comprises the column that is arranged on four jiaos in described trailer, be arranged on one " people " font ceiling skeleton at described column top, around described ceiling skeleton, articulate a side canopy skeleton respectively, be connected with collapsible pneumatic spring strut bar between described side paulin skeleton and the described column, described tarpaulin peripheral sleeve reeve, and hide on support frame as described above.

Described major and minor food Fabricating machinery comprises staple food pot and non-staple foodstuff pot, wherein the staple food pot comprises outer pot, internal layer pot, pot cover and is installed in compression indicator, safety valve on the pot cover, be densely covered with through hole on the bottom of a pan of described internal layer pot and the perisporium, be provided with one between described outer pot inboard and the described internal layer pot bottom and steam seat.

Burner section in the described cooking burner can comprise grate; be arranged on the flame centralizing hood on the described grate; transportation pipe bonded assembly oil inlet with fuel tank; with described oil inlet bonded assembly temperature booster; by mozzle and described temperature booster bonded assembly blending box; combustion chamber around described blending box; and the taper injection cover that fuses of bottom and described mozzle; described temperature booster is divided into; two-layer down; described upper strata temperature booster is the endless tube shape; it circumferentially is communicated with described oil inlet, and its bottom is communicated with described lower floor temperature booster by oil outlet, and described lower floor temperature booster is set to plate-like; a nut is fixed by the bottom centre of described plate-like; the top of described mozzle is provided with outside thread, and described external thread rotary is located in the described nut, leaves the gap between described taper injection cover and the described lower floor temperature booster.

Transportation pipe in the described cooking burner can comprise an outer flexible tube, the two ends of described outer flexible tube connect a metal joint respectively, be arranged with a dish-shaped nut on each described metal joint, one inner flexible tube and one and the petrol storage tank oil gas vent bonded assembly metal joint on the gas transfer valve that oils, the mouth of described inner flexible tube stretches in the described outer flexible tube, and leave a gap with the mouth end of described outer flexible tube, this gap is communicated with fuel outlet on the described oil gas transfer valve, the input end of described inner flexible tube is connected with described metal joint, and the input end that exposes described outer flexible tube, a sheathed spring on described inner flexible tube that exposes and metal joint.

Can comprise a small-sized hand blower in the described accessory equipment, described blowing engine comprises Fan casing, wind wheel, transmission device, crank etc.It is characterized in that: the input shaft gear of described transmission device and output shaft gear are on same axis, switched in opposite, input shaft is connected with steel ball with the end that output shaft cooperates, roll with graphite oilless sintered-metal bearing and cooperate in the two ends of transition axis, the gear pair of three grades of straight-tooth transmissions is equilateral triangle to be arranged, the big miniature gears of three grades of straight-tooth transmissions is identical respectively.

The utility model is owing to take above design, it has the following advantages: 1, the utility model is because the independent suspension mode that adopts the both sides torsion shaft to arrange in the trailer suspension gear, compare with traditional BF form, car load center of gravity and operation have highly reduced by 450 millimeters, improve the stationarity of vehicle ', realize the esd ground of cooking operation, alleviated labour intensity.2, the utility model is owing to be provided with a supporting base and an inducing pull board in the trailer braking protection valve device, will with open mechanism's bonded assembly one brake strap and be fixedly connected on the supporting base, and another brake strap matched with male and female face on the inducing pull board form a movable end, therefore when train-type vehicle is moveed backward, the movable end of brake strap can be automatically slips into arc-shaped concave from the arc convex of inducing pull board, thereby has realized the goal of the invention that the train-type vehicle of inertia braking device can be moveed backward.3, the utility model is owing to be provided with one " people " font ceiling skeleton, around the ceiling skeleton, articulate a side canopy skeleton by the pneumatic spring strut bar respectively, when therefore cooking is operated, can with around side canopy skeleton strut the protection masked area that makes tarpaulin and effectively increase, the space is strengthened, and is very easy to use.4, staple food pot of the present utility model is owing to be covered with through hole on the bottom of a pan of internal layer pot and perisporium, and the distance that is provided with in outer pot between the maintenance ectonexine pot is steamed seat, therefore when making rice, the water of boiling can flow between the grain of rice by the through hole of interior pot, and when grain of rice gelatinization, the moisture in the internal layer pot is absorbed by the grain of rice, and also have water in the outer pot, therefore make rice be in the state that is steamed, and can not be burned, realized cooking rice over a slow fire-the integrated operation of steamed rice.5, burner section of the present utility model is owing to be provided with upper and lower two-layer temperature booster, preheating space is strengthened, particularly adopted the upper strata temperature booster is arranged to the endless tube shape, lower floor's temperature booster is arranged to plate-like, the preheating speed is accelerated greatly, solved this difficult problem of burn soot; Simultaneously the utility model can rotate temperature booster from mozzle, makes itself and other isolation of components, thereby has solved replacing and the cleaning problem of temperature booster as consumable accessory effectively.6, the utility model is because transportation pipe is set to inside and outside double-layer structure, and control in conjunction with the oil gas transfer valve on the petrol storage tank, oil gas is carried by inner flexible tube, make fuel oil pass through between the inside and outside flexible pipe interlayer carry, thereby can make the shunting of oil gas and fuel oil, instantaneous switching, easy-to-operate is saved time.7, the utility model is provided with a small-sized hand blower, can strengthen firepower when using other fuel such as coal, bavin etc., improves food processing efficient.The utility model can be widely used in the various field mobile operations.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the schematic top plan view of Fig. 1

Fig. 3 is that scheme drawing is looked on the right side of Fig. 1

Fig. 4 is the utility model trailer suspension gear structural representation

Fig. 5 is the utility model inertia braking apparatus structure scheme drawing

Fig. 6 is an inducing pull board scheme drawing in the utility model inertia braking device

Fig. 7 is the utility model canopy cover structural representation

Fig. 8 is the utility model canopy cover softened state scheme drawing

Fig. 9 is the utility model staple food Cooker structure scheme drawing

Figure 10 is the utility model transportation pipe scheme drawing

Figure 11 is the utility model pipe-line and petrol storage tank connection diagram

Figure 12 is the utility model burner structure scheme drawing

Figure 13 is the small-sized hand blower scheme drawing of the utility model

Figure 14 is that the A-A of Figure 12 launches cross-sectional schematic

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, trailer of the present utility model comprises chassis of trailer, be arranged on the cabin body on the chassis, trailer suspension gear 1, trailer inertia braking device 20, trailer canopy cover 40 comprises staple food pot 50 and non-staple foodstuff pot 51 at interior major and minor food Fabricating machinery, comprise oil gas input pipe 60 and diesel fuel burner 70 at interior cooking burner, and comprise small-sized hand blower 90 at other interior accessory equipment.

As Fig. 1, shown in Figure 4, trailer suspension gear 1 of the present utility model comprises concentric symmetrically arranged torsion shaft 2 about two, and an end of each torsion shaft 2 connects a castellated shaft 3 by spline, and the other end connects a small rack 4.Castellated shaft 3 is connected with big support 7 by two copper bush 5,6, and big support 7 and small rack 4 are welded on respectively on the underbeam 8, the 9 middle mounting holes 10 that are provided with of putting the beams in place.Two torsion shafts 2 are made axial restraint with bolt 11 and clamp 12 respectively, are welded on the castellated shaft 3 with tire axle bonded assembly balancing device 13.For performance and the safety that improves suspension gear 1, the locking restriction pad 14 of a fabroil is set between the bolt of rear end plate 10 of two torsion shafts 2, between bolt on the small rack 5 10 and clamp 11, be provided with retaining washer 15.The horizontal concentric torsion shaft independent suspension structure of this trailer of the present utility model can reduce the height of whole trailer, operating personal is stood on the ground just can operate, and it is more steady to make that trailer travels.

As Fig. 1, Fig. 5, shown in Figure 6, trailer inertia braking device 20 of the present utility model comprises: two braking shoe plates 21,22, its floating ground same as the prior art is installed on the backboard 23, and ends of two braking shoe plates 21,22 are connected to two ends of opening mechanism 24, connect a retracing spring 25 near the two braking shoe plates 21,22 that open mechanism 24.The other end at two braking shoe plates 21,22 is provided with an inducing pull board 26 and a supporting base 27.One end of supporting base 27 is captiveed joint with the end of a brake strap 22 wherein, and the other end of supporting base 27 is connected on the backboard 23 with inducing pull board 26 rotationally by a fix shaft 28.Inducing pull board 26 has two external parts 29,30, be connected with a retracing spring 31 between one of them external part 29 and the brake strap 21, another external part 30 ends have that an arc is protruding, concave surface 31,32, and brake strap 21 ends relative with it have an arc convex 33, under the effect of retracing spring 25, the convex surface 33 of brake strap 21 is kept in touch with the convex surface 33 of inducing pull board 26 external parts 30.During the utility model reversing, open mechanism's 24 work, the rotation of braking hub 34, make brake strap 21,22 stressed, press to movable end by fixed end, and at this moment, convex surface 33 on the brake strap 21 just slides to concave surface 32 from convex surface 31 with the contact point of inducing pull board 26, the displacement that this is protruding, the slippage of concave surface 31,32 produces when compensating inertia braking just, make two unsteady braking shoe plates 21,22 continue the diameter of maintenance less than braking hub 34, thereby automatically terminated braking mode, realized car-backing function, this is that general trailer inertia braking device institute is irrealizable.

As Fig. 7, shown in Figure 8, trailer canopy cover 40 of the present utility model is made up of tarpaulin 41 and bracing frame 42, bracing frame 42 comprises four root posts 43 that are arranged on four jiaos of cabin bodies, top at column 43 is fixedly connected with " people " font top skeleton 44, around " people " font top skeleton 44, articulate a side paulin skeleton 45 respectively, be connected with telescopic pneumatic spring strut bar 46 between four side paulin skeletons 45 and the column 43, tarpaulin 41 peripheries wear steel rope 47.During use, strut bar 46 can be propped up side paulin skeleton 45 all around, tarpaulin 41 is covered on the bracing frame 42, steel rope 47 tensions of tarpaulin 41 peripheries will be set on, form a fully open type umbrella shape canopy cover, it is many that the cover-up surface of whole canopy cover has been increased than the masked area between original four columns, and the space is open, and profile is also elegant in appearance.

As Fig. 2, shown in Figure 9, the utility model is provided with the non-staple foodstuff pot 51 of two square staple food pots 50 and two circles in trailer, and wherein staple food pot 50 comprises outer pot 52, internal layer pot 53, pot cover 54 and is installed in compression indicator 55, safety valve 56 on the pot cover 54.Wherein internal layer pot 53 can be one deck, two-layer or more multi-layered, is densely covered with the through hole (not shown) on the bottom of a pan of internal layer pot 53 and the perisporium, and outer pot 52 inboards are provided with the steaming seat 57 of high a 5～10cm, to keep the distance between the ectonexine pot.When cooking rice, rice is put into pot, add pot cover 54 on the water cover, igniting, the water of boiling flows between the grain of rice by the through hole of interior pot, when grain of rice gelatinization, moisture in the internal layer pot is absorbed by the grain of rice, and also has water in the outer pot, therefore makes rice be in the state that is steamed, and can not be burned, realized cooking rice over a slow fire-the integrated operation of steamed rice.The utility model is a high-mobility, multipurpose, wheeled vehicle shell type pot for cooking rice, and it can also take out the internal layer pot, puts the steaming plate steamed sweet bun in outer pot, perhaps cooks congee in outer pot etc.

Cooking burner of the present utility model can adopt timber, fire coal or fuel oil to act as a fuel, and wherein diesel oil stove is on fire fast, and fuel is easy to carry, uses more.General diesel oil stove comprises transportation pipe 60, burner section 70, petrol storage tank 61 parts such as (as Fig. 1, shown in Figure 11).As shown in figure 10, transportation pipe 60 of the present utility model comprises an outer flexible tube 62, the two ends of outer flexible tube 62 are connected with a metal joint 63 by a Fastener respectively, on each metal joint 63, one fly nut 64 is set, in order to connect the oil gas general export on the petrol storage tank 61 oil gas transfer valves by seal ring and back-up ring.The mouth of one inner flexible tube 65 is stretched within the outer flexible tube 62, and input end exposes outer flexible tube 62.Circular gap between the inside and outside flexible pipe 65,62 is the fuel delivery layer, and the input end of fuel delivery layer is connected with fuel outlet on the petrol storage tank oil gas transfer valve.Input end at inner flexible tube 65 connects a metal joint 66, and the front portion of metal joint 66 has a shaft shoulder, and it is fixing that an anterior sheathed seal ring of the shaft shoulder, the afterbody of metal joint 66 are inserted in inner flexible tube 65.A sheathed compression spring 67 on inner flexible tube 65 that exposes outer flexible tube 62 and metal joint 66 when spring 67 is in the off working state of loosening, leaves bigger gap between inside and outside flexible pipe 65 and 62 the mouth end.At this moment, can relative motion between the inside and outside flexible pipe 65,62, but because whole delivery pipe is long, inner flexible tube 65 can not deviate from from outer flexible tube 62 easily.

As shown in figure 12; burner section 70 of the present utility model comprises that flame centralizing hood 72, that a grate 71, is arranged on grate 71 tops is arranged on the blending box 73 of grate 71 bottoms; blending box 73 circumferentially be combustion chamber 74, be provided with in the combustion chamber 74 with the fixing rockwool blocks 75 of metal gauze.The top of blending box 73 is made into taper type, vertical top at blending box 73 with conical suface is provided with five injection holes 76, weld a mozzle 77 at the center of blending box 73 frustums, and itself and blending box 73 conductings, the top of mozzle 77 is provided with outside thread, and the bottom and the mozzle 77 of taper injection cover 78 are integrally welded.The top of mozzle 77 is one to have upper and lower double- ply temperature booster 79,80, and upper strata temperature booster 79 is an endless tube shape, and lower floor's temperature booster 80 is plate-like, and shut at the top of plate-like.Upper strata temperature booster 79 circumferentially be provided with an oil inlet 81, oil inlet 81 is connected with transportation pipe 83 on being connected fuel tank by a pair of connected nut 82.Temperature booster 79 1 side bottoms in upper strata are provided with an oil outlet pipe 84 that is communicated with lower floor preheating pipe 80, upper strata temperature booster 79 opposite sides bottom be provided with one with lower floor's preheating pipe 80 disconnected strut members 85.At the nut 86 that welding one of the bottom centre of lower floor's temperature booster 80 and mozzle 77 are spirally connected, nut 86 can be arranged on the outside thread at mozzle 77 tops.Lower floor's temperature booster 80 is not integral with the welded top of taper injection cover 78, but leaves certain clearance.This in general notion, be considered to cannot, because sealing also with externally threaded junction again, nut 86 can produce leakage of oil, when through experiment repeatedly, even prove have oil-gas leaking also can not cause danger herein, oil spill gas and can be along with the thermal-flame volatilization of burning together.

Fig. 1, Figure 13, shown in Figure 14, small-sized hand blower 90 of the present utility model comprises Fan casing 91, wind wheel 92, transmission device 93, crank 94 etc.The input shaft gear 95 of transmission device 93 and output shaft gear 96 are on same axis, switched in opposite, input shaft 97 is connected with steel ball 99 with the end that output shaft 98 cooperates, roll with graphite oilless sintered-metal bearing 102 and cooperate in the two ends of transition axis 100,101, the gear pair of three grades of straight-tooth transmissions is equilateral triangle and arranges, the big miniature gears of three grades of straight-tooth transmissions is identical respectively, and its transmitting ratio can reach 1: 32.During use, hold crank 94 clockwise directions and rotate, just can drive wind wheel 92 high speed air blast, strengthen firepower by three grades of speedups.

Claims (7)

1, a kind of kitchen work full trailer, it comprises chassis of trailer and the cabin body that is provided with on it, the trailer suspension gear, trailer inertia braking device, the trailer canopy cover, the cooking burner, major and minor food Fabricating machinery, and other accessory equipment is characterized in that:

Described trailer suspension gear comprises the torsion shaft that two symmetries are provided with one heart, the two ends of each described torsion shaft connect a castellated shaft and a small rack respectively, described castellated shaft is connected with big support by two copper bush, described big support and small rack are welded on the underbeam respectively, be provided with mounting hole in the middle of putting the beams in place, described two torsion shafts are made axial restraint with bolt and clamp respectively, and balancing device is welded on the described castellated shaft;

Described trailer inertia braking device comprises: one opens mechanism, floats to be arranged on the braking of two on backboard shoe plate, and an end of described brake strap is connected to described two ends of opening mechanism, and connects a retracing spring between the described two braking shoe plates; The other end of described two braking shoe plates is arranged on a supporting base and an inducing pull board, the brake strap of an end captive joint one side of described supporting seat, and the other end of described supporting base is articulated on the described backboard with described inducing pull board is coaxial; Described inducing pull board has two elongation ends, wherein an elongation end is connected with the described brake strap of this side by a retracing spring, another elongation end has protruding, the concave surface of an arc, and is corresponding with it, and the end of described brake strap has uses the arc convex protruding with described arc, that concave surface cooperates;

Described trailer canopy cover is made up of tarpaulin and bracing frame, support frame as described above comprises the column that is arranged on four jiaos in described trailer, be arranged on one " people " font ceiling skeleton at described column top, around described ceiling skeleton, articulate a side canopy skeleton respectively, be connected with collapsible pneumatic spring strut bar between described side paulin skeleton and the described column, described tarpaulin peripheral sleeve reeve, and hide on support frame as described above.

2, kitchen work full trailer as claimed in claim 1, it is characterized in that: described major and minor food Fabricating machinery comprises staple food pot and non-staple foodstuff pot, wherein the staple food pot comprises outer pot, internal layer pot, pot cover and is installed in compression indicator, safety valve on the pot cover, be densely covered with through hole on the bottom of a pan of described internal layer pot and the perisporium, be provided with one between described outer pot inboard and the described internal layer pot bottom and steam seat.

3; kitchen work full trailer as claimed in claim 1; it is characterized in that: the burner section in the described cooking burner comprises grate; be arranged on the flame centralizing hood on the described grate; transportation pipe bonded assembly oil inlet with fuel tank; with described oil inlet bonded assembly temperature booster; by mozzle and described temperature booster bonded assembly blending box; combustion chamber around described blending box; and the taper injection cover that fuses of bottom and described mozzle; described temperature booster is divided into; two-layer down; described upper strata temperature booster is the endless tube shape; it circumferentially is communicated with described oil inlet; and its bottom is communicated with described lower floor temperature booster by oil outlet; described lower floor temperature booster is set to plate-like, and a nut is fixed by the bottom centre of described plate-like, and the top of described mozzle is provided with outside thread; described external thread rotary is located in the described nut, leaves the gap between described taper injection cover and the described lower floor temperature booster.

4; kitchen work full trailer as claimed in claim 2; it is characterized in that: the burner section in the described cooking burner comprises grate; be arranged on the flame centralizing hood on the described grate; transportation pipe bonded assembly oil inlet with fuel tank; with described oil inlet bonded assembly temperature booster; by mozzle and described temperature booster bonded assembly blending box; combustion chamber around described blending box; and the taper injection cover that fuses of bottom and described mozzle; described temperature booster is divided into; two-layer down; described upper strata temperature booster is the endless tube shape; it circumferentially is communicated with described oil inlet; and its bottom is communicated with described lower floor temperature booster by oil outlet; described lower floor temperature booster is set to plate-like, and a nut is fixed by the bottom centre of described plate-like, and the top of described mozzle is provided with outside thread; described external thread rotary is located in the described nut, leaves the gap between described taper injection cover and the described lower floor temperature booster.

5, as claim 1 or 2 or 3 or 4 described kitchen work full trailers, it is characterized in that: the transportation pipe in the described cooking burner comprises an outer flexible tube, the two ends of described outer flexible tube connect a metal joint respectively, be arranged with a dish-shaped nut on each described metal joint, one inner flexible tube and one and the petrol storage tank oil gas vent bonded assembly metal joint on the gas transfer valve that oils, the mouth of described inner flexible tube stretches in the described outer flexible tube, and leave a gap with the mouth end of described outer flexible tube, this gap is communicated with fuel outlet on the described oil gas transfer valve, the input end of described inner flexible tube is connected with described metal joint, and the input end that exposes described outer flexible tube, a sheathed spring on described inner flexible tube that exposes and metal joint.

6, as claim 1 or 2 or 3 or 4 described kitchen work full trailers, it is characterized in that: comprise a small-sized hand blower in the described accessory equipment, described blowing engine comprises Fan casing, wind wheel, transmission device, crank etc.It is characterized in that: the input shaft gear of described transmission device and output shaft gear are on same axis, switched in opposite, input shaft is connected with steel ball with the end that output shaft cooperates, roll with graphite oilless sintered-metal bearing and cooperate in the two ends of transition axis, the gear pair of three grades of straight-tooth transmissions is equilateral triangle to be arranged, the big miniature gears of three grades of straight-tooth transmissions is identical respectively.

7, kitchen work full trailer as claimed in claim 5 is characterized in that: comprise a small-sized hand blower in the described accessory equipment, described blowing engine comprises Fan casing, wind wheel, transmission device, crank etc.It is characterized in that: the input shaft gear of described transmission device and output shaft gear are on same axis, switched in opposite, input shaft is connected with steel ball with the end that output shaft cooperates, roll with graphite oilless sintered-metal bearing and cooperate in the two ends of transition axis, the gear pair of three grades of straight-tooth transmissions is equilateral triangle to be arranged, the big miniature gears of three grades of straight-tooth transmissions is identical respectively.

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