CN220038581U - Top side double-suction range hood - Google Patents

Abstract

The utility model discloses a top side double-suction range hood, which comprises a 7-shaped main shell, a vertical housing arranged on the main shell, a smoke exhausting device arranged in the vertical housing and an oil cup arranged at the lower end of the main shell, wherein the vertical housing is provided with a plurality of grooves; an upper air inlet is formed in the lower side wall of the horizontal part of the main shell, and a lower air inlet is formed in the side wall of the vertical part, which is close to the horizontal part; an upper air outlet with an upper opening and a lower opening is formed on the upper side wall of the main shell; the vertical housing and the main housing are communicated through the upper air outlet; a shielding mechanism is arranged in the horizontal part of the main shell; the shielding mechanism comprises a shielding plate which is obliquely arranged and a shielding driving assembly which is used for driving the shielding plate to move along the oblique direction of the shielding plate; one end of the shielding plate, which is close to the vertical part of the main shell, is lower than one end of the shielding plate, which is far away from the vertical part of the main shell; when the shielding plate is at the uppermost end, the shielding plate is positioned right above the upper air inlet and shields the upper air inlet. The utility model reduces the possibility of oil dirt dripping from the upper air inlet and does not pollute the gas stove.

Description

Top side double-suction range hood

Technical Field

The utility model relates to the field of range hoods, in particular to a top side double-suction range hood.

Background

The fume exhauster is one kind of electric appliance for sucking fume produced in kitchen, and its core part includes one centrifugal impeller driven by motor and inside the volute. The double-suction 7-shaped range hood on the top side is one type of range hood, the main shell is named as 7-shaped, and the vertical part and the horizontal part are provided with air inlets, so that smoke is sucked in two directions, and the lampblack is sucked thoroughly.

In use, oil condensed from the main housing will eventually flow into an oil cup mounted to the lower vertical end of the main housing.

Because the oil is condensed on the inner top wall of the horizontal part of the main shell, the oil flows into the oil cup along the lower side wall of the main shell; like this the air intake at the horizontal part of main casing is located on the lower lateral wall, the oil whereabouts in-process that condenses on the horizontal part inner roof of main casing like this can pass the air intake that is located the upside to drip on the gas-cooker of downside, pollute the gas-cooker, thereby influence the whole environment in kitchen.

Disclosure of Invention

In order to reduce the possibility of oil dripping through an air inlet at the upper side, the utility model provides a top side double-suction range hood.

The utility model provides a top side double-suction range hood, which adopts the following technical scheme:

a top side double-suction range hood comprises a 7-shaped main shell, a vertical cover shell arranged on the main shell, a smoke exhausting device arranged in the vertical cover shell and an oil cup arranged at the lower end of the main shell; an upper air inlet is formed in the lower side wall of the horizontal part of the main shell, and a lower air inlet is formed in the side wall of the vertical part, which is close to the horizontal part; an upper air outlet with upper and lower openings is formed on the upper side wall of the main shell; the vertical housing and the main shell are communicated through the upper air outlet; a shielding mechanism is arranged in the horizontal part of the main shell; the shielding mechanism comprises a shielding plate which is obliquely arranged and a shielding driving assembly which is used for driving the shielding plate to move along the oblique direction of the shielding plate; one end of the shielding plate, which is close to the vertical part of the main shell, is lower than one end of the shielding plate, which is far away from the vertical part of the main shell; when the shielding plate is at the uppermost end, the shielding plate is positioned right above the upper air inlet and shields the upper air inlet.

Through adopting above-mentioned technical scheme, after lampblack absorber stop work, shelter from the driving assembly and drive shielding plate slope and shift up, when the shielding plate is in the top, the shielding plate is located directly over the upper air intake and shelters from the upper air intake, can drop on the shielding plate and flow down along the shielding plate that the slope set up when the oil drip that condenses on the upper lateral wall of main casing like this, and reduced the greasy dirt and from the possibility of last air intake drip, can not pollute gas-cooker like this.

Optionally, a first guide plate which is obliquely arranged is arranged in the horizontal part of the main shell; the first guide plate is positioned between the upper air inlet and the vertical part of the main shell; one end of the first guide plate, which is close to the upper air inlet, is lower than one end of the first guide plate, which is far away from the upper air inlet; when the shielding plate is at the lowest end, the upper end of the shielding plate is in contact with the upper end of the first guide plate.

Through adopting above-mentioned technical scheme, the existence of first deflector makes the air current that lampblack absorber during operation produced can not collide with the shielding plate to do not influence the air current and flow.

Optionally, the end surface of the shielding plate far from the vertical part of the main shell is inclined and the inclined angle is parallel to the inclined angle of the first guide plate; when the shielding plate is at the lowest end, the end face, far away from the vertical part of the main shell, of the shielding plate is flush with the inclined end face, close to the upper air inlet, of the first guide plate.

Through adopting above-mentioned technical scheme, shielding plate and first deflector are close to the inclined plane of last air intake and constitute a complete slope guide surface, make the airflow flow more smooth and easy like this.

Optionally, an upper guide plate mechanism is arranged in the horizontal part of the main shell; the upper guide plate mechanism comprises a second guide plate arranged in the horizontal part of the main shell in a swinging way and a swinging assembly used for driving the second guide plate to swing; when the second guide plate is obliquely arranged, the lower end of the second guide plate is close to the lower side wall of the horizontal part of the main shell and is positioned at one side of the upper air inlet far away from the vertical part of the main shell, and the upper end of the second guide plate abuts against the upper side wall of the horizontal part of the main shell and is positioned at one side of the upper air inlet close to the vertical part of the main shell; when the second guide plate is horizontally arranged and the shielding plate is at the uppermost end, the second guide plate is positioned on the upper side of the shielding plate.

Through adopting above-mentioned technical scheme, the second deflector of inclination plays the water conservancy diversion effect, improves the smoothness nature of air current to improve the oil smoke and take out the effect.

Optionally, a third guide plate which is obliquely arranged is formed in the vertical part of the main shell; the upper end of the third guide plate is far away from the lower air inlet, and the lower end of the third guide plate is close to the lower air inlet; the lower end of the third guide plate is lower than the lower air inlet.

Through adopting above-mentioned technical scheme, the effectual volume that reduces the air current through the air flue in the vertical portion of main casing to make the suction of lower air intake department more increase.

Optionally, an oil guide plate arranged obliquely is formed at the joint of the vertical part and the horizontal part of the main shell; the oil guide plate is positioned right below the oil pumping device; the oil guide plate is obliquely downwards arranged along the direction of the horizontal part of the main shell close to the vertical part; a gap is arranged between the lower end of the oil guide plate and the side wall of the vertical part of the main shell, which is far away from the upper air inlet; the upper end of the third guide plate is fixed on the lower end face of the oil guide plate.

Through adopting above-mentioned technical scheme, the oil that condenses in the oil pumping device flows in proper order through the clearance between the lateral wall that upper air intake was kept away from to the vertical portion of oil guide plate, oil guide plate and main casing, because the separate of oil guide plate and third deflector hinders, flows down more smoothly and the route is more clear and definite, and oil can not four penetrate, is favorable to follow-up cleanness.

Optionally, the lower side wall of the horizontal part of the main shell is positioned at the periphery of the upper air inlet and vertically upwards molded into an upper placement groove; an upper baffle is detachably connected in the upper mounting groove; a plurality of uniformly distributed long hole-shaped upper perforations are vertically formed on the upper baffle; the side wall of the vertical part of the main shell, which is close to the horizontal part, is positioned at the periphery of the lower air inlet and is vertically and inwards molded into a lower mounting groove; a lower baffle is detachably connected in the lower mounting groove; the lower baffle is vertically provided with a plurality of evenly distributed long hole-shaped lower perforations.

Through adopting above-mentioned technical scheme, the blocking of upper baffle and lower baffle makes large-scale material can not enter into in the main casing like this, and upper baffle and lower baffle have reduced the size of air intake simultaneously to increase suction.

Optionally, the lower side wall of the horizontal part of the main housing is inclined and one end of the lower side wall, which is far away from the vertical part, is higher than one end, which is close to the vertical part; the vertical part of the main shell is obliquely arranged near the side wall of the horizontal part, the upper end of the vertical part is near the upper air inlet, and the lower end of the vertical part is far away from the upper air inlet; and the joint between the lower side wall of the horizontal part of the main shell and the side wall of the vertical part of the main shell, which is close to the horizontal part, is in arc transition.

By adopting the technical scheme, as the lower side wall of the horizontal part of the main shell is inclined, the vertical part of the main shell is close to the side wall of the horizontal part and the two arc transition are realized, the smoothness of the flowing down of the greasy dirt is greatly improved.

In summary, the beneficial effects of the utility model are as follows:

1. when the gas stove is not in work, the inclined shielding plate shields the upper air inlet, so that the possibility of oil stains dripping from the upper air inlet is reduced, and the gas stove is not polluted.

2. The third deflector that the slope set up effectually reduced the volume of the air flue that the air current passed through in the vertical portion of main casing to make the suction of lower air intake department more increase.

Drawings

Fig. 1 is a schematic cross-sectional view of the present utility model.

Fig. 2 is a partially enlarged structural schematic diagram of a in fig. 1 of the present utility model.

Fig. 3 is a schematic cross-sectional view of the shielding mechanism of the present utility model.

Reference numerals illustrate:

10. a main housing; 100. a horizontal cavity; 101. a corner cavity; 102. a vertical cavity; 103. an upper air inlet; 104. a lower air inlet; 105. an upper air outlet; 106. an inclined guide groove; 107. swinging the central rod; 108. an upper support plate; 109. an upper connecting rod; 11. a lower baffle; 110. a lower perforation; 12. an upper baffle; 120. punching on the upper part; 13. a third guide plate; 14. an oil guide plate; 15. a second guide plate; 151. a swing support plate; 152. a swing driving plate; 153. swinging the driving rod; 16. a shielding plate; 161. driving the connecting block; 162. a sliding guide block; 17. a first guide plate; 18. a swing driving cylinder; 181. an upper connecting seat; 182. a lower connecting seat; 19. shielding the drive cylinder;

20. a vertical housing;

30. a smoke extraction device; 31. a smoke exhausting motor; 32. a centrifugal impeller; 33. a volute; 330. oil leakage holes;

40. an oil cup.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The utility model discloses a top side double-suction range hood, referring to fig. 1, comprising a 7-shaped main shell 10, a vertical cover shell 20 arranged on the main shell 10, a smoke exhausting device 30 arranged in the vertical cover shell 20 and an oil cup 40 arranged at the lower end of the main shell 10.

Referring to fig. 1, a main casing 10 is provided hollow and an inner space thereof is composed of a horizontal chamber 100 located in a horizontal portion of the main casing 10, a vertical chamber 102 located in a vertical portion of the main casing 10, and a corner chamber 101 located between the horizontal chamber 100 and the vertical chamber 102; the lower side wall of the horizontal chamber 100 is inclined and has an end far from the corner chamber 101 higher than an end near the corner chamber 101; the vertical cavity 102 is obliquely arranged near the side wall of the horizontal cavity 100 and has an upper end near the horizontal cavity 100 and a lower end far from the horizontal cavity 100; the arc transition between the lower sidewall of the horizontal chamber 100 and the sidewall of the vertical chamber 102 adjacent to the horizontal chamber 100; an upper air outlet 105 with upper and lower openings is formed on the upper side wall of the main housing 10; the vertical housing 20 and the main housing 10 are communicated through the upper air outlet 105; a plurality of evenly distributed lower oil drain holes with upper and lower openings are formed on the lower side wall of the vertical cavity 102; the oil cup 40 is located directly below the lower drain hole.

Referring to fig. 1, an upper seating groove is vertically punched upward on a lower sidewall of a horizontal chamber 100; an upper air inlet 103 is formed on the inner side wall of the upper mounting groove; an upper baffle plate 12 is fixed in the upper mounting groove through screws; a plurality of uniformly distributed long hole-shaped upper perforations 120 are vertically formed on the upper baffle plate 12; a lower mounting groove is formed on the side wall of the vertical part of the main shell 10, which is close to the horizontal part, in a vertically inward stamping mode; a lower air inlet 104 is formed on the inner side wall of the lower mounting groove; a lower baffle 11 is fixed in the lower mounting groove through screws; the lower baffle 11 is vertically formed with a plurality of uniformly distributed elongated hole-shaped lower perforations 110.

Referring to fig. 1, a third guide plate 13 is formed in the vertical cavity 102 to be inclined; the upper end of the third guide plate 13 is positioned in the corner cavity 101, and the lower end of the third guide plate is lower than the lower air inlet 104; the upper end of the third guide plate 13 is far away from the lower air inlet 104, and the lower end is close to the lower air inlet 104.

In order to shield the upper air inlet 103, referring to fig. 1 to 3, a shielding mechanism is disposed in the horizontal cavity 100; the shielding mechanism comprises a shielding plate 16 which is obliquely arranged and a shielding driving assembly for driving the shielding plate 16 to move along the oblique direction; the end of the shielding plate 16 close to the corner cavity 101 is lower than the end far from the corner cavity 101; inclined guide grooves 106 parallel to the inclined direction of the shielding plate 16 are respectively formed on a pair of opposite side walls of the horizontal chamber 100; the shutter drive assembly includes a pair of shutter drive cylinders 19; the shielding driving cylinders 19 are in one-to-one correspondence with the inclined guide grooves 106 and the cylinder bodies of the shielding driving cylinders 19 are fixed on the side walls of the inclined guide grooves 106 on the respective sides; the end surface of the shielding plate 16 close to one inclined guide groove 106 is provided with a driving connecting block 161 and a sliding guide block 162, and the end surface close to the other inclined guide groove 106 is provided with a driving connecting block 161 and a sliding guide block 162; the drive connection block 161 and the slip guide block 162 are both slidably disposed in the inclined guide groove 106 on the respective sides; the driving connection block 161 is fixedly connected with a piston rod of the shielding driving cylinder 19 on the corresponding side; when the shielding plate 16 is at the uppermost end, the shielding plate 16 is positioned right above the upper air inlet 103 and shields the upper air inlet 103; when the shielding plate 16 is at the lowermost end, the shielding plate 16 is located between the upper air intake opening 103 and the corner cavity 101.

In operation, the pair of shielding driving cylinders 19 drives the shielding plate 16 to move obliquely along the pair of inclined guide grooves 106 through the pair of driving connection blocks 161, and the pair of sliding guide blocks 162 are respectively arranged in the pair of inclined guide grooves 106 in a sliding manner, so that the auxiliary supporting and guiding functions are started.

In order to avoid blocking the air flow when the shutter 16 is at the lowermost end, referring to fig. 1 and 2, a first guide plate 17 is formed in the horizontal chamber 100, which is arranged obliquely; one end of the first guide plate 17, which is close to the upper air inlet 103, is lower than one end, which is far away from the upper air inlet 103, and is positioned between the upper air inlet 103 and the corner cavity 101; the end of the first guide plate 17 close to the shielding plate 16 presents an inclined surface which is flush with the end surface of the shielding plate 16 close to the first guide plate 17; the end surface of the shielding plate 16 far away from the corner cavity 101 presents an inclined surface; when the shielding plate 16 is at the lowest end, the inclined surface of the shielding plate 16 far away from the corner cavity 101 is flush with the inclined end surface of the first guide plate 17 near the upper air inlet 103, so that the air flow is smoother.

In order to achieve the air flow guiding effect, referring to fig. 1 and 2, an upper guide plate mechanism is arranged in the horizontal cavity 100; the upper guide plate mechanism comprises a second guide plate 15 and a swinging assembly for driving the second guide plate 15 to swing; a pair of swing support plates 151 are formed at the upper part of the upper end surface of the second guide plate 15, and a pair of swing drive plates 152 are formed at the lower part; a cylindrical rocking center rod 107 is formed between a pair of opposite side walls of the horizontal chamber 100; a pair of swing support plates 151 rotatably connected to the swing center rod 107; a cylindrical swing drive lever 153 is formed between the pair of swing drive plates 152; a pair of upper support plates 108 are formed on the upper side wall of the horizontal chamber 100; a cylindrical upper connecting rod 109 is formed between the pair of upper support plates 108; the upper connecting rod 109, the swing center rod 107 and the swing driving rod 153 are arranged in parallel; the swing assembly includes a swing drive cylinder 18; an upper connecting seat 181 is fixed on the cylinder body of the swing driving cylinder 18, and a lower connecting seat 182 is fixed on the piston rod; the lower connecting seat 182 is rotatably connected to the swing driving lever 153; the upper connecting base 181 is rotatably connected to the upper connecting rod 109; the second guide plate 15 is located right above the upper air inlet 103.

When the oil smoke extraction device works, the swing driving cylinder 18 stretches, so that the second guide plate 15 changes from a horizontal state to an inclined state, and finally the lower end of the second guide plate 15 is close to the lower side wall of the horizontal cavity 100 and is positioned at one side of the upper air inlet 103 away from the vertical cavity 102, the upper end of the second guide plate abuts against the upper side wall of the horizontal cavity 100 and is positioned at one side of the upper air inlet 103 close to the vertical cavity 102; the second guide plate 15 in such an inclined state plays a role of air flow guide; after the oil extraction operation is completed, the swing driving cylinder 18 is contracted so that the second guide plate 15 is changed from the inclined state to the horizontal state, and at this time, the second guide plate 15 is higher than the shielding plate 16 at the uppermost end.

Referring to fig. 1, the fume extractor 30 includes a scroll casing 33 fixed in the vertical housing 20, a centrifugal impeller 32 rotatably connected in the scroll casing 33, and a fume extractor motor 31 fixed on the vertical end surface of the vertical housing 20; the centrifugal impeller 32 is coaxially fixed on the output shaft of the oil smoke extraction motor 31; the bottom of the scroll case 33 is formed with oil leakage holes 330 opened up and down.

Referring to fig. 1, an oil guide plate 14 is formed in the corner cavity 101 in an inclined manner; the upper end of the oil guide plate 14 is close to the horizontal cavity 100, and the lower end is far away from the horizontal cavity 100; the oil guide plate 14 is positioned right below the oil leakage hole 330; the upper end of the third guide plate 13 is fixed on the lower end surface of the oil guide plate 14; a gap is arranged between the lower end of the oil guide plate 14 and the side wall of the corner cavity 101, which is far away from the horizontal cavity 100; the oil condensed in the scroll case 33 thus drops from the oil leakage hole 330 to the oil guide plate 14, then slides down along the inclined oil guide plate 14, and then drops from the gap between the oil guide plate 14 and the side wall of the corner cavity 101 away from the horizontal cavity 100, and the oil dirt thus dropped is not affected by the air flow due to the third guide plate 13, and finally enters the oil cup 40 through the lower oil drain hole.

The working principle of the top side double-suction range hood is as follows:

referring to fig. 1 in operation, at this time, the second guide plate 15 is in an inclined state, the shielding plate 16 is at the lowest end, and the smoke exhausting motor 31 operates to drive the centrifugal impeller 32 to rotate, so that air flow is generated, the air flow brings smoke into the upper through hole 120 and the lower through hole 110, most of oil of the smoke stays in the smoke exhaust ventilator, and smoke and a small part of oil are exhausted;

in operation, the smoke evacuation motor 31 is deactivated, the second guide plate 15 is then tilted from a horizontal position, and the shielding plate 16 is then tilted upward to a position directly above the upper air inlet 103 and shields the upper air inlet 103, thereby reducing the possibility of oil exiting the upper air inlet 103.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A top side double-suction range hood comprises a 7-shaped main shell (10), a vertical cover shell (20) arranged on the main shell (10), a smoke exhausting device (30) arranged in the vertical cover shell (20) and an oil cup (40) arranged at the lower end of the main shell (10); an upper air inlet (103) is formed in the lower side wall of the horizontal part of the main shell (10), and a lower air inlet (104) is formed in the side wall of the vertical part, which is close to the horizontal part; an upper air outlet (105) with upper and lower openings is formed on the upper side wall of the main shell (10); the vertical housing (20) and the main housing (10) are communicated through the upper air outlet (105); the method is characterized in that: a shielding mechanism is arranged in the horizontal part of the main shell (10); the shielding mechanism comprises a shielding plate (16) which is obliquely arranged and a shielding driving assembly which is used for driving the shielding plate (16) to move along the oblique direction; an end of the shielding plate (16) close to the vertical portion of the main housing (10) is lower than an end far from the vertical portion of the main housing (10); when the shielding plate (16) is at the uppermost end, the shielding plate (16) is positioned right above the upper air inlet (103) and shields the upper air inlet (103).

2. The top side double-suction range hood according to claim 1, wherein: a first guide plate (17) which is obliquely arranged is arranged in the horizontal part of the main shell (10); the first guide plate (17) is positioned between the upper air inlet (103) and the vertical part of the main shell (10); one end of the first guide plate (17) close to the upper air inlet (103) is lower than one end far away from the upper air inlet (103); when the shielding plate (16) is at the lowest end, the upper end of the shielding plate (16) is in contact with the upper end of the first guide plate (17).

3. A top side double-range hood according to claim 2, characterized in that: the end face of the shielding plate (16) far away from the vertical part of the main shell (10) presents an inclined surface and the inclined angle is parallel to the inclined angle of the first guide plate (17); when the shielding plate (16) is at the lowest end, the end face of the shielding plate (16) far away from the vertical part of the main shell (10) is flush with the inclined end face of the first guide plate (17) close to the upper air inlet (103).

4. The top side double-suction range hood according to claim 1, wherein: an upper guide plate mechanism is arranged in the horizontal part of the main shell (10); the upper guide plate mechanism comprises a second guide plate (15) arranged in the horizontal part of the main shell (10) in a swinging way and a swinging assembly used for driving the second guide plate (15) to swing; when the second guide plate (15) is obliquely arranged, the lower end of the second guide plate (15) is close to the lower side wall of the horizontal part of the main shell (10) and is positioned at one side of the upper air inlet (103) away from the vertical part of the main shell (10), and the upper end of the second guide plate is abutted against the upper side wall of the horizontal part of the main shell (10) and is positioned at one side of the upper air inlet (103) close to the vertical part of the main shell (10); when the second guide plate (15) is disposed horizontally and the shielding plate (16) is at the uppermost end, the second guide plate (15) is located on the upper side of the shielding plate (16).

5. The top side double-suction range hood according to claim 1, wherein: a third guide plate (13) which is obliquely arranged is formed in the vertical part of the main shell (10); the upper end of the third guide plate (13) is far away from the lower air inlet (104), and the lower end of the third guide plate is close to the lower air inlet (104); the lower end of the third guide plate (13) is lower than the lower air inlet (104).

6. The top side double-suction range hood according to claim 5, wherein: an oil guide plate (14) which is obliquely arranged is formed at the joint of the vertical part and the horizontal part of the main shell (10); the oil guide plate (14) is positioned right below the oil pumping device (30); the oil guide plate (14) is obliquely downwards arranged along the direction of the horizontal part of the main shell (10) approaching the vertical part; a gap is arranged between the lower end of the oil guide plate (14) and the side wall of the vertical part of the main shell (10) away from the upper air inlet (103); the upper end of the third guide plate (13) is fixed on the lower end surface of the oil guide plate (14).

7. The top side double-suction range hood according to claim 1, wherein: the lower side wall of the horizontal part of the main shell (10) is positioned at the periphery of the upper air inlet (103) and is vertically upwards molded into an upper placement groove; an upper baffle (12) is detachably connected in the upper mounting groove; a plurality of uniformly distributed long hole-shaped upper perforations (120) are vertically formed on the upper baffle plate (12); the side wall of the vertical part of the main shell (10) close to the horizontal part is positioned at the periphery of the lower air inlet (104) and is vertically and inwards molded into a lower mounting groove; a lower baffle (11) is detachably connected in the lower mounting groove; a plurality of uniformly distributed long hole-shaped lower perforations (110) are vertically formed on the lower baffle plate (11).

8. The top side double-suction range hood according to claim 1, wherein: the lower side wall of the horizontal part of the main shell (10) is obliquely arranged, and one end of the lower side wall, which is far away from the vertical part, is higher than one end, which is close to the vertical part; the vertical part of the main shell (10) is obliquely arranged near the side wall of the horizontal part, the upper end of the main shell is near the upper air inlet (103), and the lower end of the main shell is far away from the upper air inlet (103); the arc transition is formed at the joint between the lower side wall of the horizontal part of the main shell (10) and the side wall of the vertical part of the main shell (10) close to the horizontal part.