CN207214190U - A kind of smoke deflector and application have the range hood of the smoke deflector - Google Patents

Abstract

The utility model is related to a kind of smoke deflector and application has the range hood of the smoke deflector, including smoke deflector body, also include the axial flow blower on rear side of smoke deflector body, the axial flow blower has air inlet and air outlet, for the air inlet formed with air intake space close to the trailing flank of smoke deflector body arrangement and between the trailing flank of smoke deflector body, the air outlet is located at axial flow blower rear portion and positioned opposite with air inlet.The utility model is provided with axial flow blower in the rear side of smoke deflector body, during use when oil smoke concentration is higher, open axial flow blower, quickly substantial amounts of oil smoke can be pushed into air channel from the air intake space between smoke deflector body and axial flow blower, prevent oil smoke from causing to escape not in time due to adsorbing, because axial flow blower improves the flow field above smoke deflector body, add the negative pressure of smoke deflector body perimeter, oil smoke infiltration rate can be effectively improved, being escaped from smoke deflector body perimeter for oil smoke is further prevented, improves oil smoke assimilation effect.

Description

A kind of smoke deflector and application have the range hood of the smoke deflector

Technical field

The utility model is related to a kind of smoke deflector and application has the range hood of the smoke deflector.

Background technology

Patent No. ZL200910096759.3 Chinese invention《A kind of range hood with smoke deflector》(Authorization Notice No. For CN101514823B), the range hood has body, exhaust fume collecting hood and smoke deflector, and exhaust fume collecting hood is provided with air inlet, smoke deflector (also known as smoke deflector) the face air inlet sets and maintains predetermined spacing with exhaust fume collecting hood, so as in smoke deflector and exhaust fume collecting hood two Formed with holding the oil smoke passage that passes through of oil smoke between person, the smoke deflector in the patent is fixed setting, the position of its oil smoke passage Put and size cannot be adjusted, following deficiency be present：

(1) this top-sucking kitchen ventilator integral installation highly determines that the pot of range hood distance generation oil smoke compares Far, negative pressure loss is bigger；

(2) smoke deflector is located at exhaust fume collecting hood port and designed with exhaust fume collecting hood split, very big after range hood installation smoke deflector The depth of exhaust fume collecting hood is reduced in degree, often a certain degree of blasting fume phenomenon occurs not in time because oil smoke absorbs.

Utility model content

Technical problem to be solved in the utility model is the present situation for prior art, there is provided one kind can be led by increase Cigarette plate periphery negative pressure and improve the smoke deflector of oil smoke assimilation effect.

Another technical problem to be solved in the utility model is the present situation for prior art, there is provided one kind application has The range hood of above-mentioned smoke deflector, the range hood improve oil smoke assimilation effect by increasing the periphery negative pressure of smoke deflector.

Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of smoke deflector, including smoke deflector sheet Body, it is characterised in that：Also include the axial flow blower on rear side of the smoke deflector body, the axial flow blower has air inlet and gone out Air port, the air inlet are arranged close to the trailing flank of smoke deflector body and between the trailing flank of smoke deflector body formed with air intake Space, the air outlet are located at axial flow blower rear portion and positioned opposite with air inlet.

As an improvement, the axial flow blower can be rotatably arranged on smoke deflector body, also set up on the smoke deflector body There is the drive mechanism that axial flow blower can be driven to rotate.Using such structure, axle stream wind can be made when oil smoke yield is larger The air outlet of machine so not only makes the negative pressure increase of smoke deflector periphery, can also lead cigarette towards the middle part of air inlet of kitchen ventilator Plate periphery produces ejector action to the oil smoke for flowing into range hood, further speeds up oil smoke infiltration rate, improves oil smoke and absorbs effect Fruit.

Preferably, the air inlet edge of the axial flow blower extends forward formed with hemispheric air intake surface, the air intake The opening that supplied gas flows through is provided with face.Using the structure, the region that air-flow can be drawn to axial flow blower carries out a definite limitation, reached Increase effect to more excellent negative pressure.

Preferably, gear is connected with the output end of the drive mechanism, corresponding, being provided with the air intake surface can be with The gear, which is meshed, to be driven so that the rack of axial flow blower rotation.Using the structure, in order to adjust axial flow blower as needed Rotational angle.

Preferably, the axial flow blower is located on smoke deflector body by support bar, the first end and axle of the support bar The lateral surface rotation connection of flow fan, the second end of the support bar is connected with the trailing flank of smoke deflector body.Using the knot Structure, it is easy to implement the rotation of axial flow blower.

In above-mentioned each preferred scheme, the axial flow blower includes casing, motor and impeller, and the casing is configured to cylinder Shape, the motor is located in casing and output shaft and casing are coaxially arranged, and the impeller is connected with the output shaft of motor.

For the ease of connection, motor rack is provided with the casing, described motor is located on the motor rack and output shaft Rotationally it can extend through motor rack to air outlet direction, the impeller is located on front side of air outlet.

A kind of application has the range hood of above-mentioned smoke deflector, including main air blower, exhaust fume collecting hood and smoke deflector, the exhaust fume collecting hood tool There is the first air inlet from bottom to top, it is characterised in that：The smoke deflector body is below the first air inlet of exhaust fume collecting hood, institute Axial flow blower is stated between smoke deflector body and the first air inlet.

As an improvement, the axial flow blower can be to the first air inlet institute close to the edge of the first air inlet arrangement and air outlet In 0~80 degree of Plane Rotation.Using such structure, on the premise of increasing effect in holding negative pressure, while in smoke deflector week While producing ejector action to the oil smoke for flowing into range hood, oil smoke infiltration rate is further speeded up, improves oil smoke assimilation effect.

In such scheme, the oil smoke passed through between the smoke deflector body and the first air inlet formed with supply stream leads to Road.

Compared with prior art, the utility model has the advantage of：The utility model is set in the rear side of smoke deflector body Axial flow blower, in use when oil smoke concentration is higher, axial flow blower is opened, can pass through smoke deflector body and axle stream Substantial amounts of oil smoke is quickly pushed into air channel by the air intake space between blower fan, prevents oil smoke from causing to escape not in time due to adsorbing Ease, simultaneously as axial flow blower improves the flow field above smoke deflector body, adds the negative pressure of smoke deflector body perimeter, can Oil smoke infiltration rate is effectively improved, being escaped from smoke deflector body perimeter for oil smoke is further prevented, improves oil smoke assimilation effect.

Brief description of the drawings

Fig. 1 is the structural representation of smoke deflector in the utility model embodiment；

Fig. 2 is Fig. 1 optical cable；

Fig. 3 is the structural representation of range hood in the utility model embodiment.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing embodiment.

As shown in Figure 1, 2, the smoke deflector of the present embodiment includes smoke deflector body 1 and axial flow blower 2, and axial flow blower 2 is located at The rear side of smoke deflector body 1, axial flow blower 2 have air inlet 21 and air outlet 22, and air inlet 21 is after smoke deflector body 1 Side arrangement, it is located at axle stream formed with air intake space 10, air outlet 22 between the air inlet 21 and the trailing flank of smoke deflector body 1 The rear portion of blower fan 2 is simultaneously positioned opposite with air inlet 21.

In the present embodiment, axial flow blower 2 can be rotatably arranged on smoke deflector body 1, be additionally provided with smoke deflector body 1 The drive mechanism 3 that axial flow blower 2 can be driven to rotate.Specifically, axial flow blower 2 includes casing 23, motor 24 and impeller 25, casing 23 are configured to cylindrical shape, and the front port of casing 23 is air inlet 21, and the rear port of casing 23 is air outlet 22.Set in casing 23 There is motor rack 231, motor 24 is on the motor rack 24 and output shaft 241 can rotationally pass through motor rack 231 to air outlet 22 Direction extends, and output shaft 241 and casing 23 are coaxially arranged, and impeller 25 is connected with the output shaft 241 of motor 24 and is located at The front side of air port 22.By support bar 5 on smoke deflector body 1, the both sides of casing 23 are set the casing 23 of axial flow blower 2 respectively There is a support bar 5, the first end of support bar 5 is rotatablely connected with the lateral surface of casing 23, the second end and the smoke deflector sheet of support bar 5 The trailing flank of body 1 is connected.

The edge of air inlet 21 of axial flow blower 2 extends forward formed with hemispheric air intake surface 26, is opened on the air intake surface 26 There is the opening 261 that supplied gas flows through, set the air intake surface 26 to draw the region of air-flow to axial flow blower 2 and carry out a definite limitation, Reach more excellent negative pressure increase effect.The drive mechanism 3 of the present embodiment is a motor, is connected in the output end 31 of the motor with teeth Wheel 311, it is corresponding, the rack being driven so that axial flow blower 2 rotates that can be meshed with the gear 311 is provided with air intake surface 26 262, in order to adjust the rotational angle of axial flow blower 2 as needed.

As shown in figure 3, include main air blower, exhaust fume collecting hood 4 using the range hood for having above-mentioned smoke deflector in the present embodiment and lead Cigarette plate, exhaust fume collecting hood 4 have the first air inlet 41 from bottom to top, and smoke deflector body 1 is under the first air inlet 41 of exhaust fume collecting hood 4 Oil smoke passage 42 that is square, passing through between the air inlet 41 of smoke deflector body 1 and first formed with supply stream, axial flow blower 2, which is located at, leads Between cigarette plate body 1 and the first air inlet 41.The axial flow blower 2 of the present embodiment is arranged and gone out close to the edge of the first air inlet 41 Air port 22 can be to the angle [alpha] of 0~80 degree of 41 place Plane Rotation of the first air inlet.

Using the range hood with the present embodiment smoke deflector, under common cooking status, only axial flow blower 2 can be beaten Open, make the periphery negative pressure increase of smoke deflector body 1 using axial flow blower 2, so as to which oil smoke quickly be sucked；When oil smoke yield is very big When, the rotational angle of axial flow blower 2 is can adjust, makes the air outlet 22 of axial flow blower 2 towards the first air inlet of range hood 41 Middle part, it can not only so make the periphery negative pressure increase of smoke deflector body 1, can also be on the periphery of smoke deflector body 1 to flowing into fume-exhausting The oil smoke of machine produces ejector action, further speeds up oil smoke infiltration rate, improves oil smoke assimilation effect.

Claims (10)

1. a kind of smoke deflector, including smoke deflector body (1), it is characterised in that：Also include on rear side of the smoke deflector body (1) Axial flow blower (2), the axial flow blower (2) has air inlet (21) and an air outlet (22), and the air inlet (21) is close to leading cigarette The trailing flank of plate body (1) is arranged and between the trailing flank of smoke deflector body (1) formed with air intake space (10), the air-out Mouthful (22) are located at axial flow blower (2) rear portion and positioned opposite with air inlet (21).

2. smoke deflector according to claim 1, it is characterised in that：The axial flow blower (2) can be rotatably arranged in smoke deflector On body (1), the drive mechanism (3) that axial flow blower (2) can be driven to rotate is additionally provided with the smoke deflector body (1).

3. smoke deflector according to claim 2, it is characterised in that：Air inlet (21) edge of the axial flow blower (2) to Preceding extension is provided with the opening (261) that supplied gas flows through formed with hemispheric air intake surface (26) on the air intake surface (26).

4. smoke deflector according to claim 3, it is characterised in that：Connected in the output end (31) of the drive mechanism (3) There is gear (311), it is corresponding, the transmission that can be meshed with the gear (311) is provided with the air intake surface (26) so that axle stream wind The rack (262) that machine (2) rotates.

5. smoke deflector according to claim 2, it is characterised in that：The axial flow blower (2) is located at by support bar (5) and led On cigarette plate body (1), the first end of the support bar (5) is rotatablely connected with the lateral surface of axial flow blower (2), the support bar (5) the second end is connected with the trailing flank of smoke deflector body (1).

6. smoke deflector according to claim 1, it is characterised in that：The axial flow blower (2) includes casing (23), motor (24) and impeller (25), the casing (23) are configured to cylindrical shape, and the motor (24) is located in casing (23) and output shaft (241) coaxially arranged with casing (23), the impeller (25) is connected with the output shaft (241) of motor (24).

7. smoke deflector according to claim 6, it is characterised in that：Motor rack (231), institute are provided with the casing (23) The motor (24) stated is on the motor rack (231) and output shaft (241) can rotationally pass through motor rack (231) to air outlet (22) direction extends, and the impeller (25) is located on front side of air outlet (22).

8. a kind of application is had the right in requirement 1~7 smoke deflector described in any claim range hood, including main air blower, collection Petticoat pipe (4) and smoke deflector, the exhaust fume collecting hood (4) have the first air inlet (41) from bottom to top, it is characterised in that：It is described to lead cigarette Plate body (1) located at exhaust fume collecting hood (4) the first air inlet (41) below, the axial flow blower (2) be located at smoke deflector body (1) and Between first air inlet (41).

9. range hood according to claim 8, it is characterised in that：The axial flow blower (2) is close to the first air inlet (41) edge arrangement and air outlet (22) can be to 0~80 degree of Plane Rotation where the first air inlet (41).

10. range hood according to claim 8, it is characterised in that：The smoke deflector body (1) and the first air inlet (41) the oil smoke passage (42) passed through between formed with supply stream.