Outdoor unit structure of refrigeration type range hood

Abstract

An outdoor unit structure of a refrigeration type range hood comprises an outdoor unit shell, an outdoor unit cover plate, a heat dissipation fan and a heat exchanger, the heat dissipation fan and the heat exchanger are arranged in the outdoor unit shell, a top opening is formed in the top of the outdoor unit shell, the outdoor unit cover plate covers the top opening, the top opening is obliquely arranged downwards from back to front, and correspondingly, the heat dissipation fan and the heat exchanger are arranged in the outdoor unit shell. The outdoor unit cover plate is provided with an inclined face inclining downwards from back to front, lower mounting holes are formed in the inclined face, and screws penetrate through the corresponding lower mounting holes to fix the outdoor unit cover plate to the outdoor unit shell. Compared with the prior art, the outdoor unit structure has the advantages that the top opening is formed in the top of the outdoor unit shell of the outdoor unit structure of the refrigeration type range hood, the top opening is obliquely and downwards arranged from back to front, and aiming at the condition that the outdoor unit cover plate is almost close to a suspended ceiling, the outdoor unit cover plate adopts the inclined plane which is obliquely and downwards inclined from back to front; and a space for screwing is reserved for mounting and dismounting the outdoor unit cover plate, so that the outdoor unit cover plate is convenient to mount and dismount, and the heat dissipation fan is further convenient to mount and dismount.

Description

Technical Field

[0001] The utility model relates to a range hood, in particular to an external machine structure of a refrigerating range hood. Background Art

[0002] In the prior art, various refrigerating range hoods are disclosed, which add an air-conditioning component on the basis of the range hood platform, and can not only realize all functions of the range hood, but also realize the functions of the air conditioner. The air-conditioning component includes an indoor unit module and an outdoor unit module. Among them, the indoor unit module includes an evaporator and an indoor unit fan, and the outdoor unit module includes a condenser and an outdoor unit fan. Usually, both the indoor unit module and the outdoor unit module are installed above the fan rack. When the refrigerating range hood is installed, due to the structural limitation of the refrigerating range hood, the top plate of the outdoor unit is almost close to the ceiling, and the top plate of the outdoor unit generally needs to be fixed to the outdoor unit housing by screws, so there is no space for screwing, resulting in difficult installation and disassembly of the top plate of the outdoor unit, and thus bringing great inconvenience to the installation and disassembly of the heat dissipation fan. To sum up, it is necessary to further improve the external machine structure of the existing refrigerating range hood. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an external machine structure of a refrigerating range hood with convenient disassembly of the top plate of the external machine in view of the above-mentioned current situation of the prior art.

[0004] The technical solution adopted by the utility model to solve the above technical problem is: an external machine structure of a refrigerating range hood, including an external machine housing, an external machine cover plate, a heat dissipation fan and a heat exchanger. The heat dissipation fan and the heat exchanger are arranged in the external machine housing, and a top opening is formed at the top of the external machine housing. The external machine cover plate covers the top opening. The feature is that: the top opening is arranged obliquely downward from back to front. Correspondingly, the external machine cover plate has an inclined surface that is inclined obliquely downward from back to front. A lower mounting hole is formed in the inclined surface, and a screw passes through the corresponding lower mounting hole and fixes the external machine cover plate to the external machine housing.

[0005] In order to fix the external machine cover plate to the external machine housing, flanges are formed along the left and right side walls of the external machine housing, and lower mounting holes corresponding to the lower mounting holes are formed in the flanges. The screw passes through the lower mounting hole and the lower mounting hole in sequence and is fixed to the external machine housing.

[0006] Further preferably, a lower concave part is provided on one side of the inclined surface, and the lower mounting hole is formed in the lower concave part. The lower concave part forms an avoidance space for avoiding the air outlet guiding cover of the indoor unit of the range hood.

[0007] In order to enable the external machine cover plate to be reliably supported on the external machine housing, an upper horizontal surface extends backward from the upper part of the inclined surface, and the upper horizontal surface is attached to the top of the external machine housing.

[0008] The cooling fan has various installation structures. Preferably, a front opening is formed at the front of the outer machine housing, the cooling fan passes through the front opening, the air inlet of the cooling fan is arranged inside the outer machine housing, and the air outlet of the cooling fan faces downward and is exposed on the front side of the front opening.

[0009] More preferably, the cooling fan is a centrifugal fan. The cooling fan has an outlet portion exposed outside the front opening. A lower horizontal plane extends forward from the lower part of the inclined surface, and the lower horizontal plane is fixed to the top of the outlet portion by screws. With such a setting, the outer machine cover is also fixed to the cooling fan, and the structure of the outer machine is more firm.

[0010] In order to fix the cooling fan to the outer machine housing, the front side of the outlet portion is fixed to the front side of the outer machine housing by screws.

[0011] In order to limit the outer machine cover to the outer machine housing more reliably and prevent the top of the outer machine cover from detaching from the outer machine housing, the rear edge of the top of the outer machine housing has a downwardly bent lower folded edge, the rear edge of the outer machine cover forms an L-shaped folded edge, the L-shaped folded edge has a vertical folded edge and a horizontal folded edge that bends forward from the bottom of the vertical folded edge, and the L-shaped folded edge is buckled on the lower folded edge.

[0012] In order to fully exchange heat of the heat exchanger, a housing air inlet is formed at the rear of the outer machine housing, and the heat exchanger is arranged in the air duct between the housing air inlet and the air inlet of the cooling fan.

[0013] More preferably, the heat exchanger is arranged at the rear side of the cooling fan, and the top of the heat exchanger is higher than the top of the cooling fan. With such a setting, the heat exchanger and the cooling fan can cooperate with the structure of the front side of the outer machine housing being low and the rear side being high.

[0014] Compared with the prior art, the advantages of the present utility model are as follows: A top opening is formed at the top of the outer machine housing of the outer machine structure of the refrigerating range hood. The top opening is arranged obliquely downward from back to front. Correspondingly, the outer machine cover has an inclined surface that is inclined obliquely downward from back to front. Lower mounting holes are opened on the inclined surface, and screws pass through the corresponding lower mounting holes to fix the outer machine cover to the outer machine housing. For the situation where the outer machine cover is almost close to the ceiling, after the outer machine cover adopts the inclined surface structure, space is left for screwing the screws during the installation and disassembly of the outer machine cover, which is convenient for the installation and disassembly of the outer machine cover, and thus also facilitates the installation and disassembly of the cooling fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural cross-sectional view of the outer machine structure of an embodiment of the present utility model;

[0016] Figure 2 is Figure 1 a schematic structural view of the outer machine structure shown from another angle;

[0017] Figure 3 is Figure 1 an exploded view of the external machine structure shown;

[0018] Figure 4 is Figure 1 another exploded view of the external machine structure shown;

[0019] Figure 5 is Figure 1 a side view of the external machine structure shown;

[0020] Figure 6 is Figure 5 an enlarged view of part A in

[0021] Figure 7 is a schematic installation structure diagram of the refrigerating range hood according to an embodiment of the present utility model. Detailed implementation manners

[0022] The present utility model will be further described in detail below in conjunction with the embodiments with reference to the drawings.

[0023] As Figures 1 to 5 shown, the external machine structure of the refrigerating range hood in this embodiment includes an external machine housing 1, an external machine cover plate 2, a heat dissipation fan 3, and a heat exchanger 4. Taking the direction indicated by arrow A in Figure 1 as the forward direction, the heat dissipation fan 3 and the heat exchanger 4 are arranged inside the external machine housing 1. A top opening 11 is formed at the top of the external machine housing 1, and the external machine cover plate 2 covers the top opening 11. The top opening 11 is arranged obliquely downward from back to front. The external machine cover plate 2 has an inclined surface 21 that is inclined obliquely downward from back to front. Upper mounting holes 211 are formed on both the left and right sides of the inclined surface 21. Among them, a concave portion 24 is formed on the left side of the inclined surface 21, and the concave portion 24 forms an avoidance space for avoiding the air outlet guiding cover of the internal machine of the range hood. Upper mounting holes 211 are formed on the concave portion 24. Flanges 13 are formed along the upper edges of the left and right side walls of the external machine housing 1, and lower mounting holes 131 corresponding to the upper mounting holes 211 one by one are formed on the flanges 13. Screws 5 pass through the upper mounting holes 211 and the lower mounting holes 131 in sequence, and the external machine cover plate 2 is fixed on the external machine housing 1.

[0024] An upper horizontal plane 22 extends backward from the upper part of the inclined surface 21, and the upper horizontal plane 22 is in contact with the top of the external machine housing 1. A lower horizontal plane 23 extends forward from the lower part of the inclined surface 21. A front opening 12 is formed at the front of the external machine housing 1, and the heat dissipation fan 3 passes through the front opening 12. The heat dissipation fan 3 has an outlet portion 33 exposed outside the front opening 12. The lower horizontal plane 23 is fixed to the top of the outlet portion 33 by screws 5. The front side surface of the outlet portion 33 is fixed to the front side surface of the external machine housing 1 by screws 5.

[0025] The cooling fan 3 in this embodiment is a centrifugal fan. The air inlet 31 of the cooling fan 3 is arranged inside the outer machine housing 1, and the air outlet 32 of the cooling fan 3 faces downward and is exposed on the front side of the front opening 12. A housing air inlet 15 is formed at the rear of the outer machine housing 1, and the heat exchanger 4 is arranged in the air duct between the housing air inlet 15 and the air inlet 31 of the cooling fan 3. In this embodiment, the heat exchanger 4 is arranged at the rear side of the cooling fan 3, and the top of the heat exchanger 4 is higher than the top of the cooling fan 3. Thus, the outer machine cover 2 can be correspondingly designed into a structure with a higher rear and a lower front.

[0026] As shown in combination with Figure 6 , the rear edge of the top of the outer machine housing 1 in this embodiment has a downwardly bent downward flange 14, and the rear edge of the outer machine cover 2 forms an L-shaped flange 25. The L-shaped flange 25 has a vertical flange 251 and a horizontal flange 252 that bends forward from the bottom of the vertical flange. After installation, the L-shaped flange 25 is buckled on the downward flange 14, making the installation structure of the outer machine cover 2 more firm and further preventing the top of the outer machine cover 2 from detaching from the outer machine housing 1.

[0027] As shown in Figure 7 , the refrigerating range hood 7 includes a machine shell 71, an oil fume suction module 72, an inner machine module 73 and an outer machine module 74, and the outer machine module adopts the outer machine structure of this embodiment. The inner machine module 73 and the outer machine module 74 are located above the oil fume suction module 72. During installation, due to the limitation of the structure of the refrigerating range hood 7, the outer machine cover 2 of the outer machine structure is almost close to the ceiling 6. In this embodiment, the outer machine cover 2 is designed into a structure with a higher rear, a lower front and an inclined surface 21 formed in the middle, which can leave a space for screwing, so as to facilitate the installation and disassembly of the outer machine cover 2.

[0028] During disassembly, first remove the four screws 5 on the inclined surface 21 of the outer machine cover 2, then remove the two screws 5 on the lower horizontal surface 23 of the outer machine cover 2, remove the outer machine cover 2, and finally, remove the four screws on the front of the cooling fan 3 and the outer machine housing 1, and pull the cooling fan 3 out from the front, solving the problem of difficult removal of the cooling fan 3 due to narrow space.

Claims

1. The external machine structure of a refrigerating range hood, comprising an external machine housing (1), an external machine cover plate (2), a heat dissipation fan (3) and a heat exchanger (4), wherein the heat dissipation fan (3) and the heat exchanger (4) are arranged inside the external machine housing (1), a top opening (11) is formed at the top of the external machine housing (1), and the external machine cover plate (2) covers the top opening (11), and is characterized in that: The top opening (11) is arranged obliquely downward from back to front. Correspondingly, the outer machine cover plate (2) has an inclined surface (21) that is inclined obliquely downward from back to front. An upper mounting hole (211) is formed in the inclined surface (21). A screw (5) passes through the corresponding upper mounting hole (211) to fix the outer machine cover plate (2) to the outer machine housing (1).

2. The external machine structure of the refrigerated range hood according to claim 1, characterized in that: Flanges (13) are formed along the left and right side walls of the outer machine housing (1). Lower mounting holes (131) corresponding to the upper mounting holes (211) are formed in the flanges (13). The screw (5) passes through the upper mounting hole (211) and the lower mounting hole (131) in sequence to be fixed to the outer machine housing (1).

3. The external machine structure of the refrigerating range hood according to claim 2, characterized in that: One side of the inclined surface (21) has a concave portion (24), and the upper mounting hole (211) is formed in the concave portion (24).

4. The external machine structure of the refrigerated range hood according to claim 1, characterized in that: An upper horizontal surface (22) extends backward from the upper part of the inclined surface (21), and the upper horizontal surface (22) is in contact with the top of the outer machine housing (1).

5. The external machine structure of the refrigerated range hood according to claim 1, characterized in that: A front opening (12) is formed in the front part of the outer machine housing (1). A heat dissipation fan (3) passes through the front opening (12). The air inlet (31) of the heat dissipation fan (3) is arranged inside the outer machine housing (1), and the air outlet (32) of the heat dissipation fan (3) faces downward and is exposed on the front side of the front opening (12).

6. The external machine structure of the refrigerating range hood according to claim 5, characterized in that: The heat dissipation fan (3) is a centrifugal fan. The heat dissipation fan (3) has an outlet part (33) exposed outside the front opening (12). A lower horizontal surface (23) extends forward from the lower part of the inclined surface (21). The lower horizontal surface (23) is fixed to the top of the outlet part (33) by a screw (5).

7. The external machine structure of the refrigerated range hood according to claim 6, characterized in that: The front side of the outlet part (33) is fixed to the front side of the outer machine housing (1) by a screw (5).

8. The external machine structure of the refrigerated range hood according to claim 1, characterized in that: A lower folding edge (14) that bends downward is formed at the rear edge of the top of the outer machine housing (1). An L-shaped folding edge (25) is formed at the rear edge of the outer machine cover plate (2). The L-shaped folding edge (25) has a vertical folding edge (251) and a horizontal folding edge (252) that bends forward from the bottom of the vertical folding edge. The L-shaped folding edge (25) is buckled on the lower folding edge (14).

9. The external machine structure of the refrigerated range hood according to any one of claims 1 to 8, characterized in that: A housing air inlet (15) is formed in the rear part of the outer machine housing (1). The heat exchanger (4) is arranged in the air duct between the housing air inlet (15) and the air inlet (31) of the heat dissipation fan (3).

10. The external machine structure of the refrigerated range hood according to claim 9, characterized in that: The heat exchanger (4) is arranged at the rear side of the heat dissipation fan (3), and the top of the heat exchanger (4) is higher than the top of the heat dissipation fan (3).

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