CN210050073U - Double air-out blower for kitchen - Google Patents

Abstract

The utility model provides a kitchen is with two air-out air-blowers, including two output shaft motors and symmetrical connection the play fan shell and the inside impeller about the motor, the motor includes middle connection baffle, symmetric distribution motor body and the pivot in the baffle both sides, go out preceding casing and the back casing that the fan shell includes dismantled and assembled lock and forms involute-shaped cavity, air intake and air outlet, the impeller includes interior plate, outer panel and evenly fixes the arc blade between interior plate and outer panel, be equipped with on the outer panel with the communicating income wind through-hole of air intake, the interior plate is connected with motor shaft. The kitchen double-air-outlet air blower can supply air to two sets of cooking ranges simultaneously, the overall cost of the air blower is reduced, the installation space is saved, and the overall structure of the air blower with the symmetrical structure is more stable during working.

Description

Double air-out blower for kitchen

Technical Field

The utility model relates to an air-blower, especially a kitchen of dining room is with two air-out air-blowers.

Background

In order to enhance the fire power of a stove, a kitchen blower special for supplying air to the stove is required to be used in a wine building restaurant. The existing kitchen blower usually uses a motor to drive a impeller to rotate at high speed, compressed air flows to a fan outlet in a fan shell by using centrifugal force, and each blower is connected with a stove to improve the combustion efficiency of the stove. However, the number of stoves in a restaurant is large, the space between each stove is not large, so the installation position of the blower is limited, and all stoves and blowers are fully opened during the peak of a meal, so that it is known that the need for separately equipping each stove with a separate blower is not immediate, and the reduction of the number of blowers or the cost of a single blower can be expected in a restaurant if the air supply capacity of the blowers can be reduced without affecting the air supply capacity of the blowers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a kitchen is with two air-out air-blowers that the structure is simpler reasonable, the cost is lower to the not enough of above-mentioned prior art.

The utility model discloses a realize above-mentioned purpose like this:

the utility model discloses two air-out air-blowers are used in kitchen, including two output shaft motors and symmetric connection fan shell and the inside impeller of going out about the motor, the motor includes middle connection baffle, symmetric distribution at the motor body and the pivot of baffle both sides, it includes preceding casing and the back casing of dismantled and assembled lock and formation involute-shaped cavity, air intake and air outlet to go out the fan shell, the impeller includes interior plate, outer panel and evenly fixes the arc blade between interior plate and outer panel, be equipped with on the outer panel with the communicating inlet air through-hole of air intake, the interior plate is connected with motor shaft.

Furthermore, the middle part of the rear shell is provided with a first air inlet communicated with the air inlet through hole of the impeller, the outer edge of the air inlet extends outwards to form an annular flange which can be fixed with the connecting partition plate, and convection holes are uniformly distributed on the periphery of the annular flange.

Furthermore, the middle part of the front shell is provided with a second air inlet communicated with the air inlet through hole of the impeller.

Furthermore, the middle part of the rear shell is provided with a first air inlet, the outer edge of the first air inlet extends outwards to form an annular flange which can be fixed with the connecting partition plate, and convection holes are uniformly distributed on the periphery of the annular flange

Furthermore, the bottom of the front casing and the bottom of the rear casing are both provided with fixed lugs, and U-shaped mounting grooves are formed in the fixed lugs.

Furthermore, the edge of the annular flange is bent inwards to form a connecting reverse edge, connecting through holes are uniformly distributed on the reverse edge and the partition plate, and the air outlet machine shells which are symmetrical left and right are detachably fixed on the partition plate through bolts.

The utility model has the advantages that: the utility model provides a kitchen is with two air-out air-blowers, double output shaft motor has been used, two output pivots are mutual symmetry and stretch out to two opposite directions, connect a set of fan shell and impeller respectively, the air after lightly passing the impeller pressure boost is exported from two air outlets, also be exactly a kitchen with two air-out air-blowers can be simultaneously to two sets of kitchen air supplies, the whole cost of air-blower has been reduced, and installation space has been saved, simultaneously this kind of symmetrical structure's air-blower is more steady at its overall structure of during operation.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of a split structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a second embodiment of the present invention;

fig. 3 is a schematic view of a third embodiment of the present invention;

FIG. 4 is a schematic view of the overall assembly structure of FIG. 3;

fig. 5 is a partial schematic view of a structure of the rotating shaft and the impeller being disassembled.

In the figure, 11 partition boards, 12 motor bodies, 13 rotating shafts, 20 connecting lugs, 21 air outlets, 22 front machine shells, 23 rear machine shells, 24 air inlet I, 24' air inlet II, 25 annular flanges, 26 convection holes, 27 reverse edges, 3 impellers, 31 inner side plates, 32 outer side plates, 33 arc-shaped blades, 34 air inlet through holes, 35 long round holes, 4 fixing lugs, 41U-shaped mounting grooves and 5 connecting through holes.

Detailed Description

Referring to fig. 1 to 5, the air-out fan comprises a motor with double output shafts, an air-out fan shell and an impeller 3, wherein the air-out fan shell and the impeller 3 are symmetrically connected to the left and the right of the motor, the motor comprises a middle connecting partition plate 11, a motor body 12 and a rotating shaft 13, the motor body 12 and the rotating shaft are symmetrically distributed on two sides of the partition plate, the air-out fan shell comprises a front shell 22 and a rear shell 23 which are detachably buckled and form an involute-shaped cavity, an air outlet 21 and an air inlet, the impeller 3 comprises an inner side plate 31, an outer side plate 32 and arc-shaped blades 33 which are uniformly fixed between the inner side plate 31 and the outer side plate 32, the outer side plate 32 is provided with an air.

The rotating shafts of the double-output motor are mutually symmetrical and extend out in two opposite directions and are respectively connected with the left fan shell, the right fan shell and the impeller 3, a front shell 22 and a rear shell 23 which form the fan shells are uniformly and convexly provided with connecting lugs 20 along the radial direction from a buckling surface, the detachable connection is realized through bolts, an involute cavity is formed after the buckling, the impeller 3 can be contained in the cavity, and the impeller 3 is composed of a circular inner side plate 31, an outer side plate 32 and arc-shaped blades 33.

The rotating shafts of the double-output rotating shaft motor are mutually symmetrical and extend out in two opposite directions, and are respectively and symmetrically connected with the set of the air outlet fan shell and the impeller, so that the kitchen double-air-outlet air blower can simultaneously supply air to two sets of cooking ranges, the overall cost of the air blower is reduced, the installation space is saved, and the overall structure of the air blower with the symmetrical structure is more stable during working.

As shown in fig. 1 and 5, the air inlet is formed in the middle of the rear housing 23 and is provided with an air inlet first 24 communicated with the air inlet through hole 34 of the impeller 3, the outer edge of the air inlet extends outwards to form an annular flange 25 which can be fixed with the connecting partition plate, and convection holes 26 are uniformly distributed on the periphery of the annular flange 25.

An air inlet through hole 34 is formed in the center of the impeller outer side plate 32 close to one side of the rear casing 23, and the bottom edge of the arc-shaped blade 33 is flush with the hole edge of the air inlet through hole 34. The center of the inner side plate 31 of the impeller is provided with a long round hole 35 matched with the outline of the rotating shaft, gaskets or sleeves with certain thickness can be respectively sleeved on two sides of the inner side plate 31 when the impeller is connected with the rotating shaft, the centers of the gaskets and the sleeves are also provided with long round holes matched with the outline of the rotating shaft, the rotating shaft can simultaneously drive the gaskets or the sleeves on two sides and the impeller 3 to rotate when rotating, on one hand, dust or water can be prevented from entering the motor from the rotating shaft, on the other hand, enough clearance can be ensured between the impeller and the front casing 22 as well as between the impeller and the rear casing 23. The periphery of the annular flange 25 at the middle part of the rear casing 23 covers the motor body 12, the cross-bar convection holes 26 are uniformly distributed on the outer periphery, the rotating shaft drives the impeller to rotate, air flows through the first air inlet 24 and the air inlet through hole 34 from the convection holes 26 under the action of negative pressure, enters the impeller 3 and flows out along the arc-shaped blades 33 in the radial direction, and then is output from the air outlet 21 at the bottom of the air outlet casing. The air inlet structure not only supplies air for the air outlet casing, but also is convenient for cooling the motor in work.

The specific position of the air inlet can be other, as shown in fig. 2 and 5, the middle part of the front casing 22 is provided with a second air inlet 24' and communicated with the air inlet through hole 34 of the impeller 3.

Wherein, the air inlet through hole 34 of the impeller 3 faces the second air inlet 24 'in the middle of the front casing 22, the rotating shaft drives the impeller 3 to rotate, and air flows through the air inlet through hole 34 from the second air inlet 24' to enter the impeller 3 under the action of negative pressure and flows out along the radial direction of the arc-shaped blades 33, and then is output from the air outlet 21 at the bottom of the air outlet casing.

An air inlet I24 is formed in the middle of the rear shell 23, the outer edge of the air inlet I24 extends outwards to form an annular flange 25 which can be fixed with the connecting partition plate, and convection holes 26 are uniformly distributed on the periphery of the annular flange 25.

As shown in fig. 3 and 4, on the basis of the embodiment shown in fig. 2, an air inlet first 24 in the middle of the rear housing 23 is added, and when the impeller 3 rotates, the negative pressure can make the cold air outside the motor enter the involute-shaped cavity from the convection hole 26 and then be discharged from the air outlet 21, thereby cooling the motor.

In order to further fix the kitchen double-air-out blower, the bottom parts of the front casing 22 and the rear casing 23 are respectively provided with a fixing lug 4, and the fixing lugs are provided with U-shaped mounting grooves 41.

The U-shaped mounting grooves 41 symmetrically distributed on two sides of the fixed foot lugs 4 are convenient for adjusting the mounting position of the fan shell.

The edge of the annular flange 25 is inwards bent to form a connecting reverse edge 27, the connecting through holes 5 are uniformly distributed on the reverse edge 27 and the partition plate 11, and the air outlet machine shells which are symmetrical from side to side are detachably fixed on the partition plate through bolts.

The reverse edge 27 can keep a certain interval between the motor body 12 and the arc-shaped flange 25, which is more beneficial to the heat dissipation effect of the motor.

Claims (6)

1. Kitchen is with two air-out air-blowers, its characterized in that: including two output shaft motors and symmetrical connection go out fan shell and inside impeller (3) about the motor, the motor includes middle connection baffle (11), motor body (12) and pivot (13) of symmetric distribution in the baffle both sides, go out fan shell including dismantled and assembled lock and form preceding casing (22) and back casing (23) of involute cavity, air intake and air outlet (21), impeller (3) include interior plate (31), outer panel (32) and evenly fix arc blade (33) between interior plate (31) and outer panel (32), be equipped with on outer panel (32) with the communicating wind through-hole (34) of going into of air intake, interior plate (31) are connected with the motor shaft.

2. The kitchen double-outlet air blower according to claim 1, characterized in that: the middle part of the rear shell (23) is provided with a first air inlet (24) communicated with an air inlet through hole (34) of the impeller (3), the outer edge of the first air inlet (24) extends outwards to form an annular flange (25) which can be fixed with the connecting partition plate, and convection holes (26) are uniformly distributed in the periphery of the annular flange (25).

3. The kitchen double-outlet air blower according to claim 1, characterized in that: the middle part of the front shell (22) is provided with a second air inlet (24') which is communicated with an air inlet through hole (34) of the impeller (3).

4. The kitchen double-outlet air blower according to claim 3, characterized in that: an air inlet I (24) is formed in the middle of the rear shell (23), the outer edge of the air inlet I (24) extends outwards to form an annular flange (25) which can be fixed with the connecting partition plate, and convection holes (26) are uniformly distributed in the periphery of the annular flange (25).

5. The kitchen double-outlet air blower according to claim 1, characterized in that: the bottom of the front casing (22) and the bottom of the rear casing (23) are both provided with fixed lugs (4), and U-shaped mounting grooves (41) are formed in the fixed lugs.

6. The kitchen double-outlet air blower according to claim 2, characterized in that: the edge of the annular flange (25) is inwards bent to form a connecting reverse edge (27), connecting through holes (5) are uniformly distributed on the reverse edge (27) and the partition plate (11), and the air outlet machine shells which are symmetrical left and right are detachably fixed on the partition plate through bolts.

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