CN203517937U

CN203517937U - Balance lifting range hood

Info

Publication number: CN203517937U
Application number: CN201320576753.8U
Authority: CN
Inventors: 丁天武
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-04-02
Anticipated expiration: 2023-09-17

Abstract

The utility model discloses a balance lifting range hood which comprises a balancing device and a range hood connected with the balancing device, wherein the balancing device comprises a balance spring and a synchronous linkage shaft; the synchronous linkage shaft is arranged at the bottom of the balancing device by virtue of a bearing and a bearing seat; the synchronous linkage shaft is provided with a long force arm and a rear force arm; the long force arm is connected with a shell of the range hood by virtue of a movable connecting device; the upper end of the balance spring is connected with an adjusting screw rod, and the lower end of the balance spring is connected with the rear force arm. The device has the characteristics of being simple in structure, rapid in lifting speed, free from noise, good in safety and simple to operate, being stopped at will, and the like; the balance lifting range hood is capable of changing the proper distance according to the state of flue gas, and has good oil fume extraction effect, so that the adverse effect of oil fume for a human body can be reduced.

Description

Balance lifting smoke exhaust ventilator

Technical field

The utility model relates to household kitchen electric appliance field, refers to especially a kind of balance lifting smoke exhaust ventilator.

Background technology

Along with occupying toward improvement of terms, smoke exhaust ventilator also becomes one of indispensable household electrical appliance.At present, smoke exhaust ventilator probably has upper pump-drainage type, side extracting, lower pump-drainage type and integrated kitchen range etc., and style is numerous.No matter be what form, it all forms by being provided with blower fan, discharge pipe, oil-filtering apparatus, the control part major part of grading in outer cover of machine casing, cover body.During work, by motor, rotarily drive connecting shaft blade generation centrifugal force and make air inlet produce negative pressure, air-out is to producing malleation.The oil smoke that pot and stove is produced is discharged from outdoor, thereby reaches the object of pump drainage oil smoke.

The most smoke exhaust ventilators of upper pump-drainage type are all on the wall being fixedly mounted on directly over pot and stove, and its setting height(from bottom) is that to avoid operator to ram and meet the whole visual effect in kitchen be standard, and general fixed installation is higher.When cooking food, generally take to boil, stew, frying, quick-fried, by it, be frying quick-fried, high temperature oil cauldron is met when cold food material is cooked and is produced outburst state, on the flue gas moment formation diffusion type of generation, rises, form rapidly annular wave shock cigarette hood and cause flow-disturbing, make blower fan be difficult to catch.A large amount of fumes escapings, in the interior space, cause indoor oil smoke pollution greatly and are difficult to cleaning, are also detrimental to health simultaneously.

Side extracting, lower pump-drainage type and integrated kitchen range are as power pump drainage cigarette too by electric fan.Good and bad difference is: the open spatial impression of looking squarely, do not hinder operator's head, and on product, increased new concept attraction.They not only do not overcome the defect existing in upper pump-drainage type but also embody more deficiency, the security hidden trouble that also has related media to report.In actual use, the slow long-drawn-out micro-flue gas that due to the smokeless air chamber of this structure, boils, stewes upwards generation can not be by weak shelves exhausting.Hot flue gas is lighter than air the natural law of upwards wafing and rising, and can naturally not turn to face, more can not turn around downwards.Must lean on side or lower pump-drainage type to force to arrest pump drainage, increase reactive power consumption.In frying, flue gas moment is gathered the state producing that rises and still escapes in the interior space with above-mentioned the same, a large amount of oil smoke during quick-fried, the ill effect that exists equally oil fume pump exhaust thoroughly not bring.Household electrical appliance air draft ability is subject to limitation, can not infinitely configure heavy-duty motor, and noise is large, energy consumption is large.Those famous brand names and astute manufacturer consider in synthesized pump drainage ability comprehensively.

The problems such as above-mentioned pump drainage tobacco tar effect is bad, existing a lot of manufacturers and researcher research and develop elevating cooker hood on the basis of upper pump drainage, the oil smoke highly moment being risen by change docks with smoke chamber in time when minimal diffusion area, overcome flue gas escape, avoid the new wind in smoke chamber outside to sneak in oil smoke, improved pump drainage effect.

But, in the configuration of lowering or hoisting gear, have again room for improvement in the majority.At present, configuration is to adopt motor, electrical hoist, stepper motor, synchronous motor etc. to make lifting drive substantially, and has adopted many in the scheme having.The kind of drive adopts the kinds of drive such as belt pulley and belt, sprocket wheel and chain, pulley and steel wire rope, tooth bar and gear.Such scheme complex structure, manufacture numerous institute, involve great expense, configured the limitation that heavy-duty motor is joined, so torque is also thereupon large compared with little speed ratio, lifting response speed is slow, can not meet the moment oil smoke speed as the lid pot cover of rising, unless the first pre-certain altitude of giving, actual use because dish differs, the fiery merit and the oil temperature that require differ, predetermined altitude is more difficult, upper and lower speed be subject to gravity impact, load irregular, little when large during noise.Take the above-mentioned kind of drive, noise is larger, for extending and need tensioning after chain wear.Lubricated, the appearance rope of steel wire rope, the rope winding jib of rack and pinion engagement place need often maintenance parts, otherwise can cause disorderly around, the problems in the majority such as that these several kinds of drive all exist is lubricated, maintenance, maintenance, are the puzzlements of general family.Above-mentioned up-down mode practicality is poor, should not promote.

Summary of the invention

The purpose of this utility model will overcome above-mentioned background technical deficiency exactly, smoke exhaust ventilator lifting low-response, irregular, the defect such as noise is large of loading.Provide that a kind of pump drainage oil smoke is effective, simple in structure, lifting freely, balance lifting smoke exhaust ventilator that noise is little.

To achieve these goals, the balance lifting smoke exhaust ventilator that the utility model is designed, comprise bascule and the smoke exhaust ventilator being connected with bascule, its special character is: described bascule comprises balancing spring and synchronous interaction axle, described synchronous interaction axle is arranged on the bottom of bascule by bearing and bearing block, the long arm of force and the rear arm of force are installed on synchronous interaction axle, the described long arm of force is connected with cooking-fume exhausting hood housing by articulating device, described balancing spring upper end is connected with adjusting screw(rod), its lower end is connected with the rear arm of force, weight with balance smoke exhaust ventilator.

Further, described cooking-fume exhausting hood housing upper end is provided with exhaust outlet, and the fire prevention expansion corrugated pipe being connected with top discharge pipe has been installed at described exhaust outlet place.To coordinate smoke exhaust ventilator lifting demand.

Preferably, described bascule is at least 2 groups, and shares same synchronous interaction axle.

Further, between described bascule, by C shaped steel, connected, not only play connection function, and can be used as the installation back of the body bar of balance lifting smoke exhaust ventilator.

Again further, the described long arm of force and the rear arm of force are arranged in the both sides of bearing block, on the described rear arm of force, are provided with the edge of a knife, and described balancing spring lower end is provided with hanger plate, and described hanger plate is hooked on the edge of a knife.

Further, outside described balance lifting device, upper and lower side is separately installed with the fixedly outer Decorative Cover of smoke pipe and the outer Decorative Cover of movable smoke pipe, outside the outer Decorative Cover of described movable smoke pipe and fixedly smoke pipe, between Decorative Cover, adopt and be slidably connected, the outer Decorative Cover of described movable smoke pipe lower end is connected with cooking-fume exhausting hood housing.

Preferably, the outer Decorative Cover of described movable smoke pipe and fixing smoke pipe outward Decorative Cover be slidably connected for: on described bascule, fixed guide is installed, on described fixed guide, be provided with the first lifting wheel, in the outer Decorative Cover of described movable smoke pipe, rail plate is installed, on described rail plate, be provided with the second lifting wheel, described the first lifting wheel coordinates with rail plate, and described the second lifting wheel coordinates with fixed guide, to realize, is slidably connected.

Again further, described cooking-fume exhausting hood housing front end is provided with lifting behaviour handle.To facilitate hand to hold, realize the lifting of smoke exhaust ventilator.

Again further, on described synchronous interaction axle, motor and reductor are installed, and corresponding electrical apparatus control system is installed.To realize the lifting of electronic control smoke exhaust ventilator.

The utility model has the advantage of: design balance spring and synchronous interaction axle, and the change of lifting wheel distance in sliding up and down process, make this device simple structure, lifting more steadily, the fast noiselessness of speed, security be good, operate light and the feature such as arbitrarily stop; Can change suitable distance by the acute smoke behavior of root, there is pump drainage oil smoke effective, reduce the adverse effect of oil smoke to health.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the right TV structure schematic diagram of Fig. 1.

Fig. 3 is the plan structure schematic diagram of Fig. 2.

Fig. 4 is the utility model lifting structure schematic diagram.

Fig. 5 is stereogram of the present utility model.

Fig. 6 is the local structure for amplifying schematic diagram in A place in Fig. 5.

Fig. 7 is another embodiment structural representation of the present utility model.

In figure: 1. cooking-fume exhausting hood housing, 2. descending operation handle, 3. the outer Decorative Cover of movable smoke pipe, 4. articulating device, 5. lifting rail plate, 6. the long arm of force, 7. the first lifting wheel, 15. second lifting wheels, 8. the edge of a knife, 9. the rear arm of force, 10. synchronizing shaft, 11. bearing blocks, 12. hanger plates, 13. balancing springs, 14. expansion corrugated pipes, 16. fixed guides, 17.C shaped steel, 18. adjusting screw(rod)s, 19. bascules, 20. fixing outer decorative tubes of smoke pipe, 21. motor, 22. reductors.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in Fig. 1,6,7, the utility model comprises described cooking-fume exhausting hood housing 1, and front end is provided with lifting behaviour's handle 2 and electrical equipment control portion.Be arranged in cooking-fume exhausting hood housing and have pump drainage blower fan, pump drainage air inlet to be provided with the oil-filtering apparatus such as oil cleaner screen and trapped fuel cup, exhaust outlet has been installed and has been connected fire prevention expansion corrugated pipe 14 with top discharge pipe; With cooking-fume exhausting hood housing 1 top, the outer Decorative Cover 3 of movable smoke pipe is housed, is furnished with the outer Decorative Cover 20 of the fixedly smoke pipe being slidably matched with it.Also comprise:

Bascule 19 and lowering or hoisting gear, bascule be positioned at smoke exhaust ventilator 1 shell by position, wall top, be arranged on fixedly in the outer Decorative Cover 20 of smoke pipe, between bascule 19, with C shaped steel 17, connect and carry on the back bar as the installation of balance lifting smoke exhaust ventilator.The interior employing balancing spring 13 of bascule 19, balancing spring 13 upper ends are provided with adjusting screw(rod) 18, and lower end is provided with hanger plate 12.In balance lifting device, be also provided with synchronous interaction axle 10, synchronous interaction axle 10 is arranged on balance lifting bottom of device by bearing block 11 and bearing.On the synchronous interaction axle 10 of bearing block 11 1 sides, connect the long arm of force 6, on opposite side synchronous interaction axle 10, be connected with the rear arm of force 9, and the rear arm of force 9 terminations are provided with the edge of a knife 8.In the termination of the long arm of force 6, being provided with 4 while of articulating device articulating device 4 is connected with cooking-fume exhausting hood housing 1 again.

Lowering or hoisting gear is to slide up and down with guide rail, and guide rail adopts fixed guide 16 and rail plate 5 to coordinate and slides.Its embodiment is: fixed guide 16 is installed on bascule 19, on fixed guide 16, be provided with the first lifting wheel 7, in the outer Decorative Cover 3 of described movable smoke pipe, rail plate 5 is installed, on described rail plate 5, be provided with the second lifting wheel 15, described the first lifting wheel 7 coordinates with fixed guide 16, described the second lifting wheel 15 coordinates with rail plate 5, to realize, is slidably connected.When elevating movement, lifting wheel, thereupon changing wheelbase, consumes the energy that trembles, and it is slided up and down more steady.

When above-mentioned balance lifting smoke exhaust ventilator adopts manual operation, balance spring adjusting screw(rod) 18 is opened gravitational equilibrium spring 13 in advance, adopts lever principle, by spring carrier arm plate 12, link up with on the edge of a knife 8 of the rear arm of force 9, make its edge of a knife contact, in the process of the power of transmission, frictional force is little, more steady.The rear arm of force 9 drives articulating device 4 again by the long arm of force 6 of synchronous interaction axle 10 interlock.When 2 lifting of operation smoke exhaust ventilator handle, its gravity is subject to balancing spring 13 effects and is balanced, and makes it at suspended state.As long as give less external force to cooking-fume exhausting hood housing 1 or this machine descending operation handle 2, will the fast or slow lifting with operator's action.Because of the rear arm of force 9 shorter, coaxial with the long arm of force 6, and rotation to change angle consistent.So, at pre-balancing spring 13, overcome under the prerequisite of gravity dilatation amount very little.Be subject to the constraint of guide rail to make it have the function of arbitrarily stopping, thereby reach elevating control freely.

Above-mentioned balance lifting smoke exhaust ventilator also can adopt electric operating, as shown in Figure 7, motor 21 and reductor 22 and corresponding control system is installed on synchronous interaction axle, reaches the object of lifting by electrical equipment control.

So the balance lifting smoke exhaust ventilator that the utility model provides, has simple structure, the fast noiselessness of rising or falling speed, security good, operate light and the feature such as arbitrarily stop.Can change suitable distance by the acute smoke behavior of root, there is pump drainage oil smoke effective, reduce the adverse effect of oil smoke to health.

Claims

1. a balance lifting smoke exhaust ventilator, comprise bascule (19) and the smoke exhaust ventilator (1) being connected with bascule (19), it is characterized in that: described bascule (19) comprises balancing spring (13) and synchronous interaction axle (10), described synchronous interaction axle (10) is arranged on the bottom of bascule (19) by bearing and bearing block (11), the long arm of force (6) and the rear arm of force (9) are installed on synchronous interaction axle (10), the described long arm of force (6) is connected with cooking-fume exhausting hood housing (1) by articulating device (4), described balancing spring (13) upper end is connected with adjusting screw(rod) (18), its lower end is connected with the rear arm of force (9).

2. balance lifting smoke exhaust ventilator according to claim 1, is characterized in that: described smoke exhaust ventilator (1) shell upper end is provided with exhaust outlet, and the fire prevention expansion corrugated pipe (14) being connected with top discharge pipe has been installed at described exhaust outlet place.

3. balance lifting smoke exhaust ventilator according to claim 1, is characterized in that: described bascule (19) is at least 2 groups, and shares same synchronous interaction axle (10).

4. balance lifting smoke exhaust ventilator according to claim 3, is characterized in that: between described bascule (19), by C shaped steel (17), connected.

5. balance lifting smoke exhaust ventilator according to claim 1, it is characterized in that: the described long arm of force (6) and the rear arm of force (9) are arranged in the both sides of bearing block (11), on the described rear arm of force (9), be provided with the edge of a knife (8), described balancing spring lower end is provided with hanger plate (12), and described hanger plate (12) is hooked on the edge of a knife (8).

6. according to the balance lifting smoke exhaust ventilator described in arbitrary claim in claim 1,3 or 4, it is characterized in that: described bascule (19) outside upper and lower side is separately installed with the fixedly outer Decorative Cover (20) of smoke pipe and the outer Decorative Cover (3) of movable smoke pipe, outside the outer Decorative Cover (3) of described movable smoke pipe and fixedly smoke pipe, between Decorative Cover (20), adopt and be slidably connected, the outer Decorative Cover (3) of described movable smoke pipe lower end is connected with cooking-fume exhausting hood housing (1).

7. balance lifting smoke exhaust ventilator according to claim 6, it is characterized in that: fixed guide (16) is installed on described bascule (19), on described fixed guide (16), be provided with the first lifting wheel (7), in the outer Decorative Cover (3) of described movable smoke pipe, rail plate (5) is installed, on described rail plate (5), be provided with the second lifting wheel (15), described the first lifting wheel (7) coordinates with rail plate (5), described the second lifting wheel (15) coordinates with fixed guide (16), to realize, is slidably connected.

8. balance lifting smoke exhaust ventilator according to claim 6, is characterized in that: described cooking-fume exhausting hood housing (1) front end is provided with lifting behaviour handle (2).

9. according to the balance lifting smoke exhaust ventilator described in claim 1 or 3, it is characterized in that: motor (21) and reductor (22) are installed on described synchronous interaction axle (10), and corresponding electrical apparatus control system is installed.