CN215523462U - Suction device of range hood - Google Patents

Abstract

The application relates to an air suction device of range hood, including casing and cap, casing and cap joint are provided with the spiral case in, have seted up air inlet and gas outlet on the spiral case, and one side that the spiral case is close to the air inlet is provided with the wind wheel, is provided with the motor in the spiral case, and the motor is used for driving the wind wheel and takes place to rotate, is provided with in the casing and washs subassembly and receiving disc, washs the subassembly including wasing case, scavenging pump and shower nozzle, washs the case and is located casing one side, and the end of intaking of scavenging pump is connected with wasing the case, the play water end and the shower nozzle of scavenging pump are connected, and the shower nozzle is located the wind wheel, and the receiving disc is located the spiral case below, has seted up the oil outlet on the spiral case. This application is through setting up the cleaning assembly outside the wind wheel, and cleaning assembly spouts the cleaning solution to the wind wheel on, the oil stain and the washing liquid reaction on the wind wheel, and the oil stain drips to the receiving disc from the oil outlet to make and need not to dismantle the fan and get off and can accomplish cleaning work.

Description

Suction device of range hood

Technical Field

The application relates to the field of range hoods, in particular to an air suction device of a range hood.

Background

A range hood is a household appliance for removing oil smoke and the like generated in cooking in a household kitchen. Currently, range hoods have become indispensable kitchen furniture for modern homes.

In the related art, as shown in fig. 1, the air suction device generally includes a housing 1, a volute 3 is fixedly disposed in the housing 1, the volute 3 is provided with an oil outlet, an air outlet 30 and an air inlet 31, a wind wheel 34 is fixedly disposed on one side of the volute 3 close to the air inlet 31, and a motor is used for driving the wind wheel 34. The receiving tray 61 is detachably connected to the shell 1, and the receiving tray 61 is communicated with the oil outlet.

After the power supply is switched on, the motor drives the wind wheel 34 to rotate at a high speed, a certain pressure difference is formed after the wind wheel 34 rotates at a high speed, at the moment, the air pressure in the air inlet 31 of the range hood is smaller than the air pressure outside the air inlet 31, the air and the oil smoke flow from the air inlet 31 to the air inlet 31 along the direction of the inner wall of the volute 3, the air pressure in the air outlet 30 is larger than the air pressure outside the air outlet 30, and the air in the air outlet 30 flows to the air outlet 30. The condensed oil in the oil smoke is adsorbed on the wind wheel 34, then the centrifugal action of the wind wheel 34 is utilized to throw the condensed oil onto the volute 3, the condensed oil is accumulated on the volute 3 and flows to the bottom along the shell wall, and then enters the receiving disc 61 through the oil outlet, and the smoke is discharged out of the room through the smoke outlet pipeline 4.

To the above-mentioned correlation technique, the inventor thinks that, the oil smoke is after getting into the wind wheel, and the oil condensate has certain viscidity, often can not arrange to the spiral case completely under the centrifugal action through the wind wheel, and some oil smoke can pile up in the wind wheel and form certain greasy dirt, and operating personnel often need manual dismantlement casing, takes out the wind wheel and washs, installs again after the washing and goes back, and is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively troublesome problem of lampblack absorber wind wheel cleaning work, this application provides a getter device of lampblack absorber.

The application provides a pair of suction device of lampblack absorber adopts following technical scheme:

the utility model provides an aspirator of lampblack absorber, includes casing and cap, casing and cap joint, be provided with the spiral case in the casing, air inlet and gas outlet have been seted up on the spiral case, the spiral case is close to one side of air inlet is provided with the wind wheel, be provided with the motor in the spiral case, the motor is used for the drive the wind wheel takes place to rotate, be provided with washing subassembly and catch basin in the casing, wash the subassembly including wasing case, scavenging pump and shower nozzle, it is located to wash the case casing one side, the end of intaking of scavenging pump with it connects to wash the case, the play water end of scavenging pump with the shower nozzle is connected, the shower nozzle is located in the wind wheel, the catch basin is located the spiral case below, the oil outlet has been seted up on the spiral case.

By adopting the technical scheme, when the range hood works, the motor drives the wind wheel to rotate at a high speed, and a certain pressure difference is formed after the wind wheel rotates at a high speed. The oil smoke is adsorbed on the wind wheel, the condensed oil is accumulated on the wind wheel, and after the condensed oil is accumulated to a certain degree, oil drops drop into the receiving tray from the oil outlet under the influence of gravity. The flue gas enters the interior of the volute from the gas inlet and is discharged to the outside from the gas outlet. The condensed oil has certain viscosity, the centrifugal action of the wind wheel cannot throw the condensed oil into the volute completely, and part of the condensed oil is accumulated in the wind wheel to form oil dirt.

After an operator starts the cleaning pump, the cleaning fluid in the cleaning box is conveyed to the spray head by the cleaning pump, passes through the spray head, and is sprayed to the wind wheel by the spray head. The oil stain on the wind wheel reacts with the cleaning liquid, and the oil stain drips to the receiving disc from the oil outlet, so that the cleaning work of the wind wheel is completed. The operator can clean the wind wheel without detaching the wind wheel from the range hood, which is convenient.

Optionally, a clamping groove is formed in the shell, the receiving disc is clamped in the clamping groove, a positioning block is arranged in the clamping groove, a positioning hole is formed in the receiving disc, and the positioning block is in clamping fit with the positioning hole.

Through adopting above-mentioned technical scheme, receiving disc demountable installation is in the casing, makes things convenient for operating personnel to wash the dismantlement of receiving disc. Meanwhile, the receiving disc is provided with a positioning hole, a positioning block is arranged in the clamping groove, and the positioning block and the positioning hole play a role in pre-positioning, so that an operator can install the receiving disc. Meanwhile, the positioning block and the positioning hole can be clamped to play a certain limiting role in the receiving disc.

Optionally, the joint groove both ends have been seted up the spacing groove, spacing inslot is provided with spring and gag lever post, spring one end with the cell wall of spacing groove offsets, the other end of spring with the gag lever post offsets, spacing hole has been seted up to the catch pan both sides, the gag lever post with spacing hole joint cooperation.

Through adopting above-mentioned technical scheme, the fan is when the work under the drive of motor, and the output shaft and the wind wheel of motor take place high-speed rotation, can produce certain vibrations, and the phenomenon of slope can take place for the catch bowl under the influence of vibrations, can lead to the oil stain in the catch bowl to spill. After an operator inserts the receiving disc card into the clamping groove, the limiting rod part enters the limiting hole under the acting force of the spring to realize the limiting effect on the receiving disc, so that the receiving disc is more stably placed in the clamping groove.

Optionally, an adjusting plate is fixedly arranged on the limiting rod, a fixing groove is formed in the limiting groove, and the fixing groove is matched with the adjusting plate in a clamping mode.

Through adopting above-mentioned technical scheme, adjust the position of gag lever post through setting up the regulating plate, operating personnel removes the regulating plate when the receiving disc is taken out to needs, and the regulating plate slides at the spacing inslot, and the regulating plate drives the motion that the motion of keeping away from the receiving disc takes place for the gag lever post. The regulating plate moves to the notch of fixed slot, with the regulating plate joint in the fixed slot, the fixed slot plays limiting displacement to the regulating plate, and the gag lever post relatively fixed makes things convenient for operating personnel to take out the catch pan. After the receiving disc is placed in by an operator, the adjusting plate located in the fixing groove is taken out, the limiting rod moves to the position near the limiting hole and is in clamping fit with the limiting hole under the acting force of the spring, and the limiting rod recovers the limiting effect on the receiving disc again.

Optionally, the two ends of the adjusting plate are respectively provided with a protective cover, one end of each protective cover, which is far away from the adjusting plate, is respectively connected with the groove wall of the limiting groove, and the protective covers are located above the limiting grooves.

Through adopting above-mentioned technical scheme, when the regulating plate takes place the displacement, the safety cover takes place tensile or compressed motion under the drive of regulating plate for the safety cover covers in the spacing groove top always, makes the oil stain can not drip to the spacing inslot to a certain extent, plays the effect of protection spring, gag lever post and spacing groove to a certain extent.

Optionally, the end side walls of the receiving pans are arranged obliquely.

Through adopting above-mentioned technical scheme, when operating personnel took out the receiving disc from the joint groove in needs, the tip that the slope set up provided a point of application of force to operating personnel, made things convenient for operating personnel to take out.

Optionally, an observation tank is arranged on the cleaning box, and a glass plate is arranged in the observation tank.

By adopting the technical scheme, an operator can judge whether the cleaning liquid needs to be supplemented or not by observing the liquid level height of the cleaning liquid on the tank, and the operation is convenient.

Optionally, the volute is connected with a smoke outlet pipeline, the smoke outlet pipeline is communicated with the gas outlet, a smoke sensor is installed in the smoke outlet pipeline and used for detecting a smoke concentration value in the smoke outlet pipeline, and an output end of the smoke sensor is connected with a controller used for controlling the rotating speed of the motor.

By adopting the technical scheme, when the smoke sensor detects that the smoke concentration value is higher than the set value, the controller adjusts the rotating speed of the motor to the set rotating speed, so that the rotating speed of the wind wheel is increased, namely the air volume of the range hood can be dynamically adjusted according to the flow of smoke exhausted by the range hood.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cleaning assembly is arranged outside the wind wheel, the cleaning assembly sprays cleaning liquid onto the wind wheel, oil dirt on the wind wheel reacts with the cleaning liquid, and the oil dirt drops to the receiving disc from the hole, so that the cleaning work can be finished without disassembling the fan;

2. by arranging the adjusting plate and the limiting rod, a certain limiting effect is performed on the receiving disc under the condition that the placing and taking of the receiving disc are not influenced, so that the probability of oil stain pouring caused by inclination of the receiving disc in the working process of the range hood is reduced to a certain extent;

3. through setting up smoke transducer and machine controller for the amount of wind of lampblack absorber can be according to the flow dynamic automatically regulated of lampblack absorber flue gas.

Drawings

Figure 1 is a schematic view of the internal structure of a smoking machine aspirator in the related art of the present application;

FIG. 2 is a schematic structural diagram of an air suction device of a range hood according to an embodiment of the application;

FIG. 3 is a schematic structural view of the housing of FIG. 2;

FIG. 4 is a schematic structural view of the volute section of FIG. 3;

FIG. 5 is an exploded view of the volute section of FIG. 4;

FIG. 6 is a vertical sectional view of the portion of the receiving pan of FIG. 3;

fig. 7 is an enlarged schematic view of a portion a in fig. 6.

Description of reference numerals: 1. a housing; 2. a shell cover; 3. a volute; 30. an air outlet; 31. an air inlet; 32. a wind guide ring; 33. a motor; 34. a wind wheel; 35. mounting a column; 4. a smoke outlet pipeline; 41. a smoke sensor; 42. a controller; 50. a cleaning tank; 501. an observation tank; 51. cleaning the pump; 52. cleaning a pipe I; 53. a second cleaning pipe; 54. a spray head; 60. a clamping groove; 61. a receiving tray; 62. positioning blocks; 63. positioning holes; 70. a limiting groove; 71. an adjusting plate; 72. a spring; 73. a limiting rod; 74. a limiting hole; 75. fixing grooves; 76. a protective cover.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses getter device of lampblack absorber.

Referring to fig. 2 and 3, the suction device of the range hood comprises a shell 1 and a shell cover 2, wherein the shell 1 is matched with the shell cover 2 in a clamping manner.

Referring to fig. 3 and 4, a volute 3 is connected to the top wall of the inside of the housing 1 by bolts, and an air outlet 30 is formed in the volute 3. The top wall of the outer part of the shell 1 is connected with a smoke outlet pipeline 4 through a bolt, and the smoke outlet pipeline 4 is communicated with the air outlet 30.

Referring to fig. 4 and 5, an air inlet 31 is formed in one side of the volute 3, an air guiding ring 32 is connected to the inside of the air inlet 31 through a bolt, and the edge of the air guiding ring 32 is arc-shaped and plays a role in guiding air flow. The end of the volute 3, which is far away from the air inlet 31, is connected with a motor 33 through a bolt, the output shaft of the motor 33 penetrates through the side wall of the volute 3, the outer peripheral wall of the end, which penetrates through the side wall of the volute 3, of the output shaft is fixedly connected with a wind wheel 34, and the motor 33 is used for driving the wind wheel 34 to rotate.

Referring to fig. 3 and 5, one side of the volute 3, which is away from the air inlet 31, is integrally connected with three mounting columns 35, and each mounting column 35 is connected with the casing 1 through a bolt respectively, so that the effect of fixing the volute 3 is achieved, and the amplitude of the volute 3 which shakes under the high-speed rotation of the wind wheel 34 is reduced to a certain extent.

Referring to fig. 5, a smoke sensor 41 is installed in the smoke outlet pipe 4, the smoke sensor 41 is used for detecting a smoke concentration value in the smoke outlet pipe 4, an output end of the smoke sensor 41 is connected with a controller 42 for controlling the motor 33, and when the smoke concentration value detected by the smoke sensor 41 is higher than a set value, the controller 42 adjusts the rotation speed of the motor 33 upwards, so as to increase the rotation speed of the wind wheel 34. The smoke sensor 41 is an ion type smoke sensor 41, and the specific model is SS-668.

Referring to fig. 3, one side of the casing 1 is fixedly provided with a cleaning box 50, the cleaning box 50 is provided with a charging hole and a discharging hole, two sides of the cleaning box 50 are provided with an observation tank 501, and a transparent glass plate is connected in the observation tank 501 in a sealing manner. The fixed mounting has the scavenging pump 51 in the casing 1, washs case 50 and is connected with scavenge pipe 52 No. one with the discharge gate, and the one end that washs case 50 is kept away from to scavenge pipe 52 is connected with the end of intaking of scavenging pump 51. The water outlet end of the cleaning pump 51 is connected with a second cleaning pipe 53, one end of the second cleaning pipe 53 far away from the cleaning pump 51 is fixedly connected with a spray head 54, and the spray head 54 is positioned in the wind wheel 34. The spray nozzle 54 can also be a mist spray nozzle, and the cleaning liquid is contacted with the oil dirt on the surface of the wind wheel 34 in a mist form after passing through the spray nozzle 54, so that on one hand, the contact area of the cleaning liquid and the oil dirt is increased by the mist cleaning liquid, and the cleaning effect is further optimized. On the other hand, when the cleaning liquid is sprayed from the surface of the spray head 54, the cleaning liquid has a certain initial speed, and a certain impact force is caused to the wind wheel 34, and the impact force of the cleaning liquid in the mist form is smaller than that of the cleaning liquid in the water flow state, so that a certain protection effect is achieved on the wind wheel 34.

Referring to fig. 3 and 6, an oil outlet is formed in the bottom surface of the end of the volute 3 away from the air outlet 30. The clamping groove 60 is formed in the bottom surface inside the shell 1, the receiving disc 61 is clamped in the clamping groove 60, and the receiving disc 61 is located under the oil outlet. After the cleaning liquid reacts with the oil stains, the oil stains drip into the receiving tray 61 from the oil outlet. The receiving plate 61 is partially located outside the engaging groove 60, and two ends of the receiving plate 61 located outside the engaging groove 60 are inclined. When the operator needs to take the receiving tray 61 out of the clamping groove 60, the two ends arranged obliquely provide a force applying point for the operator. Two positioning blocks 62 are fixedly arranged in the clamping groove 60, positioning holes 63 corresponding to the positioning blocks 62 are formed in the receiving tray 61, each positioning block 62 is respectively in clamping fit with each positioning hole 63, a pre-positioning effect is achieved, and an operator can take out the receiving tray 61 and then install the receiving tray again.

Referring to fig. 7, two ends of the engaging groove 60 are provided with a limiting groove 70, an adjusting plate 71 is slidably connected in the limiting groove 70, and a portion of the adjusting plate 71 extends out of the limiting groove 70. The spring 72 is placed at one end of the limiting groove 70 far away from the clamping groove 60, the spring 72 is in a compressed state, one end of the spring 72 is tightly abutted to the groove wall of the limiting groove 70, and the other end of the spring 72 is tightly abutted to the adjusting plate 71. One end of the adjusting plate 71, which is far away from the spring 72, is fixedly connected with a limiting rod 73. Limiting holes 74 are formed in two ends of the receiving disc 61, which are located in the adjusting groove, and the limiting rod 73 penetrates through the groove wall of the adjusting groove and is in clamping fit with the limiting holes 74. The bottom of the limiting groove 70 close to one side of the spring 72 is provided with a fixing groove 75, and the fixing groove 75 is in clamping fit with the adjusting plate 71. One end of the adjusting plate 71, which abuts against the spring 72, is provided with a sliding groove for the spring 72 to slide. The operator moves the adjusting plate 71 away from the adjusting groove, the position of the limiting rod 73 away from the limiting hole 74 moves, and the receiving plate 61 loses the limiting function of the limiting rod 73. The adjusting plate 71 moves to the vicinity of the fixing groove 75, and the operator presses the adjusting plate 71 downward, so that the adjusting plate 71 is snap-fitted to the fixing groove 75. At this time, the adjusting plate 71, the spring 72 and the limiting rod 73 are relatively static, so that the receiving tray 61 can be conveniently taken out of the clamping groove 60 by an operator.

Referring to fig. 7, an organ-type protective cover 76 is connected to both ends of the adjusting plate 71 by bolts, and one end of each protective cover 76 away from the adjusting plate 71 is respectively connected to a groove wall of the limiting groove 70 by bolts. When the adjusting plate 71 is located at the midpoint of the limiting groove 70, the two protective covers 76 are just in the original length state, and when the adjusting plate 71 moves, each protective cover 76 is driven by the adjusting plate 71 to correspondingly stretch or compress, so that the protective covers 76 are always covered above the limiting groove 70, and oil stains are prevented from dripping into the limiting groove 70 to a certain extent.

The implementation principle of the air suction device of the range hood in the embodiment of the application is as follows: an operator switches on a power supply of the range hood, the motor 33 is started, the motor 33 drives the wind wheel 34 to rotate at a high speed, and a certain pressure difference is formed after the wind wheel 34 rotates at the high speed. At this time, the air pressure in the air inlet 31 of the range hood is smaller than the air pressure outside the air inlet 31, the air and the oil smoke flow from the outside of the air inlet 31 to the inside of the air inlet 31 along the direction of the inner wall of the volute 3, the air pressure in the air outlet 30 is larger than the air pressure outside the air outlet 3, and the air in the air outlet 30 flows to the outside of the air outlet 30. The condensed oil in the oil smoke is adsorbed on the wind wheel 34, then the centrifugal action of the wind wheel 34 is utilized to throw the condensed oil onto the volute 3, the condensed oil is accumulated on the volute 3 and flows to the bottom along the shell wall to enter the receiving disc 61 through the oil outlet, and the smoke is discharged out of the room through the air pipe.

After the range hood works for a long time, certain oil dirt is accumulated inside the wind wheel 34, an operator adds cleaning liquid into the cleaning box 50, the cleaning pump 51 is started, the cleaning liquid in the cleaning box 50 enters the cleaning pump 51 through the first cleaning pipe 52, the cleaning liquid enters the spray head 54 along the second cleaning pipe 53, the spray head 54 sprays the cleaning liquid to the wind wheel 34, the oil dirt on the wind wheel 34 reacts with the cleaning liquid, the operator starts the motor 33, the wind wheel 34 rotates, the oil dirt is thrown to the volute 3 under the centrifugal action of the wind wheel 34, and the oil dirt is accumulated on the volute 3 and flows to the bottom along the shell wall to enter the receiving disc 61 through the oil outlet.

When piling up the certain degree to the oil stain on the receiving tray 61, operating personnel opens cap 2, with regulating plate 71 to the direction displacement of keeping away from receiving tray 61, regulating plate 71 displacement to the notch of fixed slot 75, operating personnel pushes down regulating plate 71 for in regulating plate 71 joint to fixed slot 75, operating personnel keeps away from joint groove 60 and washs receiving tray 61 with receiving tray 61. After the operator finishes cleaning the receiving tray 61, the receiving tray 61 is placed in the clamping groove 60 of the housing 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an aspirator of lampblack absorber, includes casing (1) and cap (2), casing (1) and cap (2) joint, be provided with spiral case (3) in casing (1), air inlet (31) and gas outlet (30) have been seted up on spiral case (3), spiral case (3) are close to one side of air inlet (31) is provided with wind wheel (34), be provided with motor (33) in spiral case (3), motor (33) are used for the drive wind wheel (34) take place to rotate, its characterized in that: be provided with in casing (1) and wash subassembly and receiving disc (61), wash the subassembly including wasing case (50), scavenging pump (51) and shower nozzle (54), it is located to wash case (50) casing (1) one side, the inlet end of scavenging pump (51) with wash case (50) and connect, the play water end of scavenging pump (51) with shower nozzle (54) are connected, shower nozzle (54) install in wind wheel (34), receiving disc (61) install in spiral case (3) below, the oil outlet has been seted up on spiral case (3).

2. The suction device of a range hood according to claim 1, characterized in that: the improved structure is characterized in that a clamping groove (60) is formed in the shell (1), the receiving disc (61) is clamped in the clamping groove (60), a positioning block (62) is arranged in the clamping groove (60), a positioning hole (63) is formed in the receiving disc (61), and the positioning block (62) is in clamping fit with the positioning hole (63).

3. The suction device of a range hood according to claim 2, characterized in that: spacing groove (70) have been seted up at joint groove (60) both ends, be provided with spring (72) and gag lever post (73) in spacing groove (70), spring (72) one end with the cell wall of spacing groove (70) offsets, the other end of spring (72) with gag lever post (73) offset, spacing hole (74) have been seted up to catch pan (61) both sides, gag lever post (73) with spacing hole (74) joint cooperation.

4. The suction device of a range hood according to claim 3, characterized in that: the fixed regulating plate (71) that is provided with on gag lever post (73), regulating plate (71) deviate from one side of gag lever post (73) with spring (72) offset, set up fixed slot (75) in spacing groove (70), fixed slot (75) and regulating plate (71) joint cooperation.

5. The suction device of a range hood according to claim 4, characterized in that: protective covers (76) are respectively arranged at two ends of the adjusting plate (71), one end, far away from the adjusting plate (71), of each protective cover (76) is connected with the groove wall of the limiting groove (70), and the protective covers (76) are located above the limiting grooves (70).

6. The suction device of a range hood according to claim 1, characterized in that: the end side walls of the receiving tray (61) are arranged obliquely.

7. The suction device of a range hood according to claim 1, characterized in that: an observation groove (501) is formed in the cleaning box (50), and a glass plate is arranged in the observation groove (501).

8. The suction device of a range hood according to claim 1, characterized in that: the spiral case (3) are connected with a smoke outlet pipeline (4), the smoke outlet pipeline (4) is communicated with the gas outlet (30), a smoke sensor (41) is installed in the smoke outlet pipeline (4), the smoke sensor (41) is used for detecting a smoke concentration value in the smoke outlet pipeline (4), and the output end of the smoke sensor (41) is connected with a controller (42) used for controlling the rotating speed of the motor (33).

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