CN2273824Y

CN2273824Y - Hoisting and lowering and cooking oil splashing proof type cooking fume remover

Info

Publication number: CN2273824Y
Application number: CN 95219760
Authority: CN
Inventors: 陈吉萍
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-08-14
Filing date: 1995-08-14
Publication date: 1998-02-04
Anticipated expiration: 2005-08-14

Abstract

The utility model relates to a lifting cooking oil splashing proof type cooking fume remover. The utility model comprises a fan electromotor (3), a fan (4), an air pipe joint (2), a key switch (24), an oil collecting groove (11) and an oil collecting box (12), a cooking fume exhausting hood (9) is in a paraboloidal shape, and the cooking fume exhausting hood (9) can be lifted up and down by a control mechanism as required. The utility model overcomes the defects that the common cooking fume remover is easy to interfere because of the air flow, and the cooking oil is easy to splash when the common cooking fume remover is used for frying. The utility model is a practical novel cooking fume remover.

Description

Liftable cooking oil splashing proof smoke exhaust ventilator

The utility model relates to a kind of liftable cooking oil splashing proof smoke exhaust ventilator, belongs to the collection and the tapping equipment of flue gas in the cooking.

Existing range hood for kitchen use, because smoke exhaust ventilator and cooker distance are too high, smoke exhaust ventilator generally all is arranged on by the window in addition, be subject to most the interference and the influence (special season of often windowing) of indoor and outdoor air-flow during work in the big sky of wind heat, thereby oil smoke can't be discharged smoothly, in addition the oil droplet that splashes during quick-fried blast food in the cooking can't be collected and remove, to such an extent as to pollution in various degree room air and kitchen utensils, do not reach due effect.For addressing this problem, common way is to shorten the distance of smoke exhaust ventilator and cooker, opened a kind of " smoke exhaust ventilator prolongation fume extracting device " as CN2096013U, form by interior pipe and outer tube two parts, interior pipe is connected on the shell bottom plate at smoke exhaust ventilator smoking mouthful place, the outer surface bilateral symmetry of interior pipe is distributed with some apertures, outer tube sleeve also can be slided along interior pipe in the interior pipe outside, outer tube wall two upper lateral parts are respectively installed a bolt symmetrically, make outer tube can be fixed on as required on a certain position of pipe, this device can improve smoking efficient, reduces environmental pollution and to the infringement of human body, and have characteristics simple in structure, easy for installation.But the Cooker hood of this device is fixed, though can adjust, need unscrew fastening bolt, need screw fastening bolt again after manually being displaced to suitable distance.This mode wastes time and energy, and can not adapt to the different requirements of the various cookings, so this device is not used as yet in actual product.

The purpose of this utility model provides a kind of through improved kitchen fume exhaust device.The Cooker hood of this device can lifting, under the driving of the control of one group of controlling organization and lifting motor, can cook the distance of needs adjustment (promptly shortening) this device and kitchen range according to difference, the Cooker hood of this device is parabolic simultaneously, can produce lampblack-pumped efficient collection cigarette of similar dark type and smoking effect, thereby when cooking food, can not be subjected to the interference of indoor and outdoor air-flow and influence, range hood effectively smoothly, and the oil droplet that can will splash is collected in oil trap and the oil collection box by Cooker hood.

Above-mentioned purpose is achieved in that range hood comprises fan electromotor, fan, duct collar, key switch, circular oil trap and oil collection box, cage and casing constitute the framework of smoke exhaust ventilator, fan electromotor is divided into the buncher of the weak third gear of persistent erection, it and fan are contained in the cage upper end, two-layer above telescopiform telescoping tube two ends respectively with cage top, parabolic Cooker hood top connects with anchor ear, on, the lower sheave support respectively with cage, Cooker hood is fixedly connected, on, lower sheave is installed in respectively, on the lower sheave support, one end of lifting drag-line is connected on the top sheave support, on the other end pile warp, lower sheave, (this oil sealing can filter the long-pending oil on the drag-line by the drag-line oil sealing, avoid long-pending greasy dirt to dye control assembly) be connected on the secondary lifting drag-line rolling wheel of control, the drag-line oil collection box is installed on the lower sheave support, on the casing of pusher side and cage, be equipped with, lower installation board, the control pair is contained in, on the lower installation board, automatic switch contact is contained on the cage.Thermistor is contained on the parabolic Cooker hood, and buzzer and warning red diodes are installed in the machine shell panel left side, and direction switch is positioned at the key switch top.The control pair comprises lifting motor, drive disk assembly and control assembly, lifting motor is contained on the upper mounting plate, driving gear is connected on the motor output shaft, the driven gear that is engaged with, ratchet, coaxial being connected of lifting drag-line rolling wheel, the elliptical aperture of braking card is hinged on the upper mounting plate by pin, its pointed tooth end and ratchet engaged, the other end is fixedlyed connected with the upper spring upper arm, upper spring, top sheave is all fixedlyed connected with upper mounting plate, control drag-line one end is fixedlyed connected with the upper arm end of upper spring, control pulley on the other end pile warp, controlling the coaxial drag-line rolling wheel of pulley and direction switch down fixedlys connected, under control pulley, lower spring is installed in the pulley base that is connected with lower installation board, banking pin is positioned at the pulley base left side fixedlys connected with installing plate, with the move angle of restriction pulley base.The synchro switch of lifting motor is fixedlyed connected with direction switch, drag-line rolling wheel, and this synchro switch only is in when upgrading at direction switch to be opened.Need fall Cooker hood and cooking stove apart from the time, when direction switch is rotated counterclockwise the position of " falling " by " stopping ", under the effect of control drag-line, act on the brake(-holder) block brake(-holder) block by top sheave, banking pin, upper spring " move right and leave ratchet, ratchet is out of hand; Cooker hood is losing under the situation of brake force constraint; rely on the deadweight inertia of self to descend, the telescopiform telescoping tube is elongation thereupon also, and drag-line has been put automatic in-position and has been stopped when arriving bottom.When the arbitrary halfway height of needs stops, soon the gauge tap clockwise direction is pulled the position to " stopping ", the lifting motor synchro switch coaxial with direction switch, it is a special key, electrode contacts on its electrode contact and the lower installation board differs 90 °,. when only pulling the position of " liter " at direction switch, lifting motor just is in opening.When direction switch was pulled the position of " falling " or " stopping ", motor power was cut off, unpowered providing.The control drag-line will be braked card and spur left and make it and ratchet engaged under the strong elastic effect of upper spring, and Cooker hood can be parked in arbitrary height.When needs are gone up Cooker hood, when direction switch is rotated clockwise to the position of " liter ", synchro switch is opened, lifting motor drives ratchet, lifting drag-line rolling wheel turns clockwise synchronously, by drag-line, the upper and lower pulley of lifting, telescoping tube Cooker hood is mentioned rising, withstand automatic switch contact when the top puts in place, the control lifting motor is closed, brake(-holder) block was moved to the left under the strong elasticity power effect of upper spring and blocked ratchet this moment, and Cooker hood promptly stops.Smoke pumping then by the work of key switch control fan electromotor, drives fan and oil smoke is extracted out outdoor.Near excessively apart from burning things which may cause a fire disaster when Cooker hood, temperature is too high when dangerous, and thermistor control buzzer and red diodes are sent sound, light is reported to the police, and reminds the user in time to start direction switch, and Cooker hood is risen to safe altitude rapidly.

This liftable cooking oil splashing proof smoke exhaust ventilator, this Cooker hood is the Liftable type parabola, the oil droplet that efficient fume exhaust of energy and collection are splashed, and the influence that not flowed by indoor-outdoor air, simple in structure, easy for installation, functional reliability is good.

Below in conjunction with accompanying drawing an embodiment of the present utility model is further described.

Fig. 1 is the structural representation of liftable cooking oil splashing proof smoke exhaust ventilator

Schematic diagram when Fig. 2 lowers for Cooker hood among Fig. 1

Fig. 3 is control auxiliary structure schematic diagram

Fig. 4 is the partial structurtes figure of Fig. 3 upper mounting plate

Fig. 5 is the partial structurtes figure of Fig. 3 lower installation board

Fig. 6 is the electrical schematic diagram of this machine

Liftable cooking oil splashing proof smoke exhaust ventilator, comprise airduct 1, duct collar 2, fan electromotor 3, fan 4, casing 5, illuminating lamp 10, key switch 24, oil trap 11 and oil collection box 12, cage 7 and casing 5 constitute the framework of smoke exhaust ventilators, fan electromotor 3 is divided into by force, in, the buncher of weak third gear, it and fan 4 are contained in cage 7 upper ends, more than five layers the two ends of telescopiform telescoping tube 8 respectively with cage 7, parabolic Cooker hood 9 is used clamp connection, on, lower sheave support 6,21 respectively with cage 7, Cooker hood 9 upper ends are fixedly connected, on, lower sheave 16,18 are installed in respectively, lower sheave support 6, on 21, one end of lifting drag-line 17 is connected on the top sheave support 6, on the other end pile warp, lower sheave 16,18, be connected in by drag-line oil sealing 15 on the lifting drag-line rolling wheel 30 of control secondary 14, drag-line oil collection box 20 is installed on the lower sheave support 21, and this oil collection box is used to collect the oil droplet on the lifting drag-line 17.On the casing 5 of pusher side and cage 7 upper and lower installing plate 13,22 is installed, the control pair is contained on the upper and lower installing plate, and automatic switch contact 19 is contained on the cage 7, is used to control closing of lifting motor.Thermistor 25 is contained on the Cooker hood 9, and buzzer 26, warning red diodes 27 are contained on the machine shell panel.The annular end face of Cooker hood 9 crimping to the inside forms circular oil trap 11, and it communicates with oil collection box 12, and the oil spilling that oil trap 11 is collected flows in the oil collection box automatically.Oil collection box is identical with the structure of the smoke exhaust ventilator that uses now, still adopts dismountable drawer-type structure.Nearer apart from burning things which may cause a fire disaster when Cooker hood 9, temperature is too high when dangerous, and thermistor 25 will control that buzzer 26, warning red diodes 27 send sound, light is reported to the police, and reminds the user in time to start direction switch, and Cooker hood 9 is risen to safe altitude rapidly.Control secondary 14 comprises lifting motor 31, drive disk assembly and control assembly, lifting motor 31 is contained on the upper mounting plate 13, driving gear 32 is connected on the motor output shaft, the driven gear 29 that is engaged with, ratchet 28, lifting drag-line rolling wheel 30 are coaxial fixedly connected, the slotted eye of braking card 34 is hinged on the installing plate 13 by pin 33, its pointed tooth end and ratchet 28 engagements, the other end is fixedlyed connected with upper spring 35 upper arm.Upper spring 35, on control pulley 36 and all fixedly connected with upper mounting plate 13, the upper arm end of control drag-line 37 1 ends and upper spring 35 is connected, control pulley 36 on the other end pile warp, down control pulley 39, fixedly connected with the coaxial drag-line rolling wheel 42 of direction switch, control pulley 39 down, lower spring 41 is installed in the pulley base 38 that is connected with lower installation board 22, banking pin 40 is positioned at pulley base 38 left sides fixedlys connected with lower installation board 22, and direction switch 23 is positioned at key switch 24 tops.The synchro switch 43 of lifting motor and direction switch 23, drag-line rolling wheel 42 coaxial being connected, it is a special key, its electrode contact is fixedlyed connected with the drag-line rolling wheel, electrode contacts is fixed on the lower installation board 22, differ 90 ° between electrode contact and the electrode contacts, have only when direction switch is pulled the position of " liter ", electrode contact contacts with electrode contacts, and lifting motor 31 is just opened Cooker hood 9 is risen.Upper spring 35 elastic force could guarantee braking card 34 and ratchet 28 engagements greater than the elastic force of lower spring 41 in operating process.The liter of direction switch 23, stop, fall third gear and be spaced apart 90 °.The minimum altitude that Cooker hood 9 descends is 55cm (distance of Cooker hood and kitchen range).When cooking at ordinary times need be used smoke exhaust ventilator, only need press key switch 24, the rotating speed of fan electromotor 3 can be selected as required, and it drives fan 4 rotations oil smoke is extracted out.Splash or when the moving influence operation of free air-flow is arranged as quick-fried blast oil droplet, direction switch 23 can be rotated counterclockwise and pull the position that falls, control drag-line rolling wheel 42 tractives control drag-line 37, act on down control pulley 39, lower spring 41, because the elastic force of lower spring 41 is less than upper spring 35, so stop when being driven the position that is moved to the left banking pin 40, then control drag-line 37 and drive that upper springs 35 tractive brake(-holder) blocks 34 move right and ratchet 28 separates, Cooker hood 9, telescoping tube 8 are out of hand to be dropped to bottom at self-gravity action, and the effect by drag-line 17 stops automatically.Press key switch 24 this moment, fan electromotor 3 drives fan 4 rotations oil smoke is collected in the oil collection box 12 by oil trap 11.When stop in the arbitrary halfway position of needs, being about to direction switch 23 prolongs clockwise direction and pulls to " stopping ", because of unpowered providing is provided the power supply with direction switch 23 co-axially fixed synchro switches 43 lifting motor 31 when being positioned at the position of " stopping ", " falling ", lifting drag-line 17 will be braked card 34 to Zola and ratchet engaged under the strong elastic effect of upper spring 35, control Cooker hood 9 stops.When needs rise Cooker hood 9, direction switch 23 is prolonged clockwise direction to be pulled to the position of " liter ", synchro switch 43 is connected, lifting motor 31 drives ratchet 28, lifting drag-line rolling wheel 30 turns clockwise synchronously, by lifting drag-line 17, top sheave 16, lower sheave 18 are when being promoted to telescoping tube 8, Cooker hood 9 topmost, run into automatic switch contact 19, promptly cut off the electricity supply.Brake(-holder) block 34 also blocks ratchet 28 and stops at this moment.

Claims

1. a liftable cooking oil splashing proof smoke exhaust ventilator comprises airduct (1), duct collar (2), fan electromotor (3), fan (4), casing (5), illuminating lamp (10), key switch (24), oil trap (11) and oil collection box (12), it is characterized in that:

A, cage (7) and casing (5) constitute the framework of smoke exhaust ventilator, fan electromotor (3) is divided into by force, in, the buncher of weak third gear, it and fan (4) are contained in cage (7) upper end, two-layer above telescopiform telescoping tube (8) two ends respectively with cage (7), parabolic Cooker hood (9) is used clamp connection, on, lower sheave support (6) (21) respectively with cage (7), Cooker hood (9) upper end is fixedly connected, on, lower sheave (16) (18) is installed in respectively, on the lower sheave support (6) (21), one end of lifting drag-line (17) is connected on the top sheave support (6), on the other end pile warp, lower sheave (16) (18) is connected on the lifting drag-line rolling wheel (30) of control secondary (14) by drag-line oil sealing (15), drag-line oil collection box (20) is installed on the lower sheave support (21), on the casing (5) of pusher side and cage (7), be equipped with, lower installation board (13) (22), the control pair is contained in, on the lower installation board, automatic switch contact (19) is contained on the cage (7), buzzer (26), warning red diodes (27) is installed in the machine shell panel left side, direction switch (23) is contained in key switch (24) top

B, control secondary (14) comprises lifting motor (31), drive disk assembly and control assembly, lifting motor (31) is contained on the upper mounting plate (13), driving gear (32) is connected on the motor output shaft, the driven gear that is engaged with (29), ratchet (28), lifting drag-line rolling wheel (30) is coaxial fixedly connected, the elliptical aperture of braking card (34) is hinged on the installing plate (13) by pin (33), its pointed tooth end and ratchet (28) engagement, the other end is fixedlyed connected with the upper arm of upper spring (35), upper spring (35), last control pulley (36) is all fixedlyed connected with upper mounting plate (13), control drag-line (37) one ends are fixedlyed connected with the upper arm end of upper spring (35), control pulley (36) on the other end pile warp, under control pulley (39), fixedly connected with the drag-line rolling wheel (42) that direction switch is coaxial, under control pulley (39), lower spring (41) is installed in the pulley base (38) that is connected with lower installation board (22), banking pin (40) is positioned at pulley base (38) left side and fixedlys connected with installing plate (22)

The synchro switch (43) of c, lifting motor (31) and direction switch (23), coaxial the fixedlying connected of drag-line rolling wheel (42), its electrode contact is fixed on the drag-line rolling wheel, and electrode contacts is contained on the lower installation board (22), differs 90 ° between the two

D, oil trap (11) are circular, and it communicates with oil collection box (12).

2. according to the described smoke exhaust ventilator of claim 1, it is characterized in that: the elastic force of upper spring (35) is greater than the elastic force of lower spring (41).

3. according to the described smoke exhaust ventilator of claim 1, it is characterized in that: the liter of direction switch (23), stop, fall third gear and be spaced apart 90 °.

4. according to the described smoke exhaust ventilator of claim 1, it is characterized in that: the minimum altitude that Cooker hood (9) descends is 55cm.