CN218480661U - Fume exhaust fan - Google Patents

Abstract

The utility model belongs to the technical field of electrical apparatus, a range hood is specifically disclosed. The range hood comprises a cover top plate and an electric control box, wherein the electric control box comprises a cover body and a box body with an opening at the upper end, the cover top plate is provided with an installation opening, the box body is inserted into the installation opening and is detachably connected with the cover top plate, the cover body comprises a cover main body, one side of the cover main body is convexly provided with a rotating part, the cover top plate is provided with a jack, the rotating part can be rotatably inserted into the jack, the rotating part is L-shaped, the vertical part of the rotating part is connected with the cover main body, and the horizontal part of the rotating part extends into the lower part of the cover top plate; a pre-tightening structure is arranged between the transverse part and the lower surface of the cover top plate; the other opposite side of the cover main body is detachably connected with the cover top plate. The utility model discloses a range hood can improve automatically controlled box inside control module's dismouting and maintenance convenience.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of electrical apparatus, especially, relate to a range hood.

Background

Along with the improvement of living standard of people, the range hood capable of sucking the kitchen oil smoke has become one of the necessary household appliances of the household life, and the range hood can effectively keep the air environment of a kitchen and improve the living comfort of people.

An electric control box is usually arranged on the range hood and used for controlling the operation of the range hood. For the side-suction type range hood, the electric control box is usually installed on a hood top plate of the smoke collecting hood, so that a user can conveniently maintain and replace electric devices in the electric control box. An electric control box on an existing range hood generally comprises a box body and a cover body, the cover body is generally connected to an opening at the upper end of the cover body through screws, the box body is installed on a cover top plate through an installation opening in the cover top plate, and the box body is connected with the cover top plate.

The electronic control box provided by the prior art needs to be detached from the box body when the internal electronic control part of the electronic control box is maintained or replaced, so that the upper end opening of the box body is opened, the detachment mode of the cover body is troublesome, and the maintenance and replacement efficiency of an electric device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a range hood, it can effectively solve the automatically controlled box maintenance on the current range hood and change inefficiency and troublesome poeration's problem, improves the maintenance and the change efficiency of electrical part in the automatically controlled box.

The technical problem is solved by the following technical scheme:

a range hood comprises a hood top plate and an electric control box, wherein the electric control box comprises a cover body and a box body with an opening at the upper end, the hood top plate is provided with an installation opening, the box body is inserted into the installation opening and is detachably connected with the hood top plate, the cover body comprises a cover main body, a rotating part is convexly arranged on one side of the cover main body, the hood top plate is provided with a jack, the rotating part can be rotatably inserted into the jack, the rotating part is L-shaped, the vertical part of the rotating part is connected with the cover main body, and the transverse part of the rotating part extends into the lower part of the hood top plate;

a pre-tightening structure is arranged between the transverse part and the lower surface of the cover top plate, the height of the pre-tightening structure is larger than the distance between the transverse part and the lower surface of the cover top plate in an uncovering state, when the cover body closes the opening at the upper end, one side of the cover main body is abutted against the upper surface of the cover top plate, and the pre-tightening structure is clamped between the transverse part and the lower surface of the cover top plate;

the other opposite side of the cover main body is detachably connected with the cover top plate.

Range hood, compare with the background art, the beneficial effect who has does: the utility model provides a range hood, because the box body can be dismantled and connected in the cover roof, one side of lid is connected with the cover roof through the rotation portion, another opposite side can be dismantled and connected with the cover roof, make to separate between box body and the lid, the installation of lid does not rely on the structure of box body, can simplify the structure of box body, and can reduce the number of using the screw, can improve the maintenance and the change efficiency of the electrical part in the automatically controlled box; when the range hood is installed, one side of the cover main body is inserted into the jack, the other opposite side of the cover main body is connected with the cover top plate, at the moment, the cover top plate has downward acting force on the transverse part, the pre-tightening structure is clamped between the transverse part and the cover top plate, so that the two sides of the cover main body are tightly abutted against the cover top plate, and abnormal sound caused by assembly virtual positions when the range hood is in operation is effectively prevented; moreover, the L-shaped arrangement of the rotating part can ensure that the cover body can be maintained for the internal structure of the box body after being rotated to the vertical position and then be taken away, thereby further improving the convenience of maintenance and replacement.

In one embodiment, the pre-tightening structure comprises a pre-tightening rib, the pre-tightening rib is arranged on the transverse portion in a protruding mode, and the pre-tightening rib abuts against the lower surface of the cover top plate.

In one embodiment, the pre-tightening rib is an elongated structure, and the pre-tightening rib extends along the rotation axis direction of the cover body.

In one embodiment, a corner of the rotating part facing away from the pre-tightening structure is provided with a chamfer.

In one embodiment, the rotating part is provided with a plurality of rotating parts at intervals along the rotating axis of the cover body, and the inserting holes are arranged in one-to-one correspondence with the rotating parts.

In one embodiment, when the cover body is rotated to a closing position for closing the upper end opening, the cover body presses the box body downwards.

In one embodiment, the cover body is of a box-shaped structure, a rib plate part is convexly arranged on the inner surface of the cover body, the cover body is covered above the box body, and the rib plate part is pressed against the box body.

In one embodiment, a protruding portion is arranged on the side surface of the cover main body, which is away from the box body, a wire feeding port is formed in the side surface of the protruding portion, and the wire feeding port is communicated with the inner cavity of the box body.

In one embodiment, a groove is recessed in the top of the cover top plate, the mounting opening and the insertion hole are formed in the groove bottom of the groove, and the cover main body covers the groove.

In one embodiment, the lower end surface of the cover main body extends outwards to form a connecting plate portion, the connecting plate portion is attached to the bottom surface of the groove, the vertical portion of the rotating portion is connected with the lower surface of the connecting plate portion, and the thickness of the connecting plate portion is the same as the depth of the groove.

Drawings

Fig. 1 is a schematic structural view of a range hood provided in an embodiment of the present invention when a cover of an electronic control box is in a closed state;

fig. 2 is a schematic view of a part of the structure of the range hood provided by the embodiment of the present invention;

fig. 3 is a schematic view of a part of the structure of the range hood according to the embodiment of the present invention when the cover is in an open state;

fig. 4 is a schematic partial structural view of a cover top plate according to an embodiment of the present invention;

fig. 5 is a sectional view of a part of the structure of the range hood provided by the embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at I;

fig. 7 is a schematic structural diagram of a cover body provided in an embodiment of the present invention at a viewing angle;

FIG. 8 is an enlarged view of a portion of FIG. 7 at J;

fig. 9 is a schematic structural diagram of a cover body at another viewing angle according to an embodiment of the present invention.

Description of reference numerals:

100. a control device; 200. a smoke collecting hood; 201. a cover top plate; 2011. an installation port; 2012. a groove; 2013. a jack; 2015. a second fixing hole; 2016. a second fastening hole; 2017. a smoke outlet; 202. a hood back panel; 203. a cage base plate; 300. a volute;

1. a box body; 11. a cartridge main body; 12. a flange portion; 13. a flap portion; 131. a first fixing hole;

2. a cover body; 21. a cover main body; 211. a cover plate portion; 212. a rim portion; 213. a boss portion; 214. a wire feeding port; 22. a rotating part; 221. a vertical portion; 222. a transverse portion; 223. pre-tightening the ribs; 224. chamfering; 23. a connecting plate portion; 231. a first fastening hole; 24. a web portion;

3. a control module; 31. a main control panel.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-9, an embodiment of the present invention provides a range hood, which includes a smoke collecting hood 200, a control device 100 and a pumping and exhausting assembly, wherein the smoke collecting hood 200 has a smoke collecting cavity defined by a hood top plate 201, two hood side plates (not shown), a hood back plate 202 and a hood bottom plate 203, and a smoke outlet 2017 is opened on the hood top plate 201; the pumping and exhausting assembly comprises a volute 300 arranged in the smoke collection cavity and a smoke exhaust pipe connected to the smoke exhaust port 2017 of the hood top plate 201, the volute 300 is used for installing a fan, the air inlet of the volute 300 is communicated with the smoke collection cavity, and the air outlet of the volute 300 is communicated with the smoke exhaust port 2017; the control device 100 is electrically connected to the fan in the volute 300 to control the fan to operate, so as to discharge the oil smoke in the smoke collection chamber to the external environment through the smoke discharge pipe, thereby realizing oil smoke exhaust.

The control device 100 is installed at the cover top plate 201, and the control device 100 comprises an electric control box and a control module 3 arranged in the electric control box. Wherein, automatically controlled box includes lid 2 and upper end open-ended box body 1, and control module 3 installs in box body 1, has seted up installing port 2011 on the cover roof 201, and box body 1 inserts and locates installing port 2011 and can dismantle with cover roof 201 and be connected.

The cover body 2 comprises a cover main body 21, a rotating part 22 is convexly arranged on one side of the cover main body 21, an insertion hole 2013 is formed in the cover top plate 201, the rotating part 22 is L-shaped, the rotating part 22 can be rotatably inserted into the insertion hole 2013, a vertical part 221 of the rotating part 22 is connected with the cover main body 21, and a transverse part 222 of the rotating part 22 extends along the direction far away from the cover main body 21 and extends into the lower part of the cover top plate 201; a pre-tightening structure is arranged between the transverse part 222 and the lower surface of the cover top plate 201, the height of the pre-tightening structure is larger than the distance between the transverse part 222 and the lower surface of the cover top plate 201 in an uncovering state, when the cover body 2 closes the upper end opening, one side of the cover main body 21 is abutted against the upper surface of the cover top plate 201, and the pre-tightening structure is clamped between the transverse part 222 and the lower surface of the cover top plate 201; the other opposite side of the cover main body 21 is detachably connected to the cover top plate 201.

The range hood that this embodiment provided, because box body 1 can be dismantled and connect in cover roof board 201, one side and the cover roof board 201 of lid 2 rotate to be connected, another opposite side can be dismantled with cover roof board 201 and be connected, wherein, lid 2 rotates vertical position, can take off lid 2 and maintain, the installation of lid 2 does not rely on box body 1's structure, can simplify box body 2's structure, and can reduce the number of using the screw, can improve the maintenance and the change efficiency of electrical parts in the automatically controlled box. It can be understood that, during installation, one side of the cover main body 21 is inserted into the insertion hole 2013, the other opposite side of the cover main body 21 is connected with the cover top plate 201, two sides of the cover main body 21 are in surface contact with the cover top plate 201, the lower surface of the cover top plate 201 can have a downward acting force on the transverse portion 222, a resisting force exists between the cover top plate 201 and the transverse portion 222, the pre-tightening structure is clamped between the transverse portion 222 and the cover top plate 201, further, the installation tightness between the cover top plate 201 and the cover body 2 is improved, the problem that vibration caused by the existence of a gap between the rotating portion 22 and the lower surface of the cover top plate 201 is easy to generate noise and fall off is avoided, the noise of the range hood during operation is reduced, and the installation reliability and stability of the electric control box are improved. Furthermore, the L-shaped arrangement of the rotating part 22 can enable the cover body 2 to rotate to the vertical position, and then the cover body 2 is taken away to maintain the internal structure of the box body 1, so that the convenience of maintenance and replacement is further improved.

As shown in fig. 3 and 4, in one embodiment, to facilitate the installation of the box body 1 on the cover plate 201, the box body 1 includes a box main body 11 with an upper end opening and a flange portion 12 extending outward along the edge of the upper end opening of the box main body 11, the box main body 11 is inserted into the installation opening 2011, and the flange portion 12 is mounted on the upper end surface of the cover plate 201. Thereby, the suspension mounting of the cartridge 1 at the mounting port 2011 can be ensured.

For improving the assembly stability of box body 1 in installing port 2011, the shape of installing port 2011 and the 11 upper end shape looks adaptations of main box body, each lateral wall of main box body 11 all with the edge butt of installing port 2011, make the lateral wall restriction box body 1 of installing port 2011 at the displacement of horizontal all directions from this, avoid the relative cover roof 201 of box body 1 to produce rocking of horizontal direction, improve the installation stability of box body 1 and cover roof 201.

Preferably, in order to further improve the mounting stability of the case 1 on the top cover plate 201, the flange portion 12 extends outward to form ear plate portions 13, the ear plate portions 13 are disposed at least on two opposite sides of the case 1, and the ear plate portions 13 are opened with first fixing holes 131. Second fixed orifices 2015 has been seted up on the cover roof 201, and second fixed orifices 2015 and first fixed orifices 131 one-to-one set up, and box body 1 is connected through the screw thread spare of wearing to locate first fixed orifices 131 and second fixed orifices 2015 with cover roof 201. The first fixing hole 131 is preferably an optical hole, and the second fixing hole 2015 is preferably a screw hole.

Preferably, the rotating portion 22 is provided in plurality at intervals in the direction of the rotation axis thereof, and the insertion holes 2013 are provided in one-to-one correspondence with the rotating portion 22, so as to improve the connection reliability of the lid body 2 and the lid top plate 201 while reducing the length of the single insertion hole 2013. In other embodiments, a plurality of rotating portions 22 may be provided, and one insertion hole 2013 may be provided, and a plurality of rotating portions 22 are movably inserted into the same insertion hole 2013.

As shown in fig. 6 to 8, in an embodiment, the pre-tightening structure includes a pre-tightening rib 223, the pre-tightening rib 223 is protruded on the transverse portion 222 to reduce the processing difficulty of the pre-tightening rib 223, and the pre-tightening rib 223 is abutted against the lower surface of the cover top plate 201. In another embodiment, the pre-tightening structure may also be protruded from the lower surface of the top cover plate 201, that is, the pre-tightening structure is pressed against the lateral portion 222 when the cover 2 and the box 1 are closed.

In an embodiment, the pre-tightening rib 223 is in an elongated structure and extends along the rotation axis of the rotation portion 22 to increase the contact area between the pre-tightening rib 223 and the cover top plate 201, so as to improve the assembling reliability of the cover body 2 on the cover top plate 201 and improve the anti-falling effect of the pre-tightening rib 223.

In an embodiment, the side surface of the pre-tightening rib 223 abutting against the cover top plate 201 is an arc surface, so as to reduce scraping of the cover top plate 201.

Preferably, to facilitate the rotation portion 22 to be taken out of the insertion hole 2013, a corner of the rotation portion 22 facing away from the pre-tightening rib 223 is provided with a chamfer 224 to avoid an edge of the insertion hole 2013.

Preferably, the cover main body 21 includes a cover plate portion 211 and a rim portion 212 extending downward along the periphery of the cover plate portion 211, and the cover plate portion 211 is spaced from the upper end of the box body 1 to form a space for power line routing. The rim portion 212 is located outside the flange portion 12.

In order to facilitate the wiring of the power line, the side of the cover main body departing from the box body is provided with a projection 213, the side wall of the projection 213 is provided with a wiring port 214, the wiring port 214 is communicated with the inner cavity of the box body 1, and the wiring port 214 is preferably a U-shaped port with a downward opening. The protrusion 213 can be designed to have a larger wire-routing opening 214 to allow the routing of the power connection wire with a larger outer diameter.

In one embodiment, the edge portion 212 extends outward to form a connecting plate portion 23, the connecting plate portion 23 is perpendicular to the edge portion 212, the rotating portion 22 is disposed on the connecting plate portion 23 on one side, and the vertical portion 221 of the rotating portion 22 is connected to the lower surface of the connecting plate portion 23. In assembling, the connecting plate portion 23 is positioned outside the flange portion 12 and attached to the cover top plate 201 to increase the contact area between the lid body 2 and the cover top plate 201, thereby improving the mounting reliability of the lid body 2.

As shown in fig. 4 and 9, in an embodiment, a first fastening hole 231 is formed in the connecting plate portion 23 on the side opposite to the rotating portion 22, a second fastening hole 2016 is formed in the cover top plate 201, the first fastening holes 231 and the second fastening holes 2016 are arranged in a one-to-one correspondence, and the cover body 2 and the cover top plate 201 are connected through screws penetrating through the first fastening holes 231 and the second fastening holes 2016, so as to ensure that the cover body 2 can be stably maintained at the closed position. Preferably, the first fastening holes 231 are provided at intervals of at least two in the length direction of the side connection plate part 23 to improve connection reliability and tightness.

In one embodiment, when the cover 2 is rotated to the closed position for closing the upper opening, the cover 2 presses the box 1 downward to improve the fastening tightness between the cover 2 and the box 1. Preferably, the cover body 21 is box-shaped, and the cover body 21 covers the box body 1, and the upper end of the box body 1 is located inside the cover body 21; furthermore, the rib part 24 is protruded on the inner surface of the cover main body 21, and the rib part 24 presses against the box body 1, so as to reduce the requirement for the processing precision of the cover body 2. Meanwhile, the arrangement of the rib plate part 24 can also enhance the overall structural strength and rigidity of the cover body 2.

As shown in fig. 5, the control module 3 includes a main control board 31, and when the cover 2 is in the closed position, the rib plate portion 24 presses against the main control board 31 to limit the main control board 31 from moving upwards. The back of the cover plate 211 of the rib plate 24 is provided with a plurality of staggered ribs, at least one rib plate 24 abuts against the main control board 31, and at least one rib plate 24 abuts against the upper end opening of the box body 1.

As shown in fig. 3 and 5, in an embodiment, the top of the top plate 201 is recessed downwards to form a groove 2012, and the bottom of the groove 2012 is opened with the mounting opening 2011. The setting of recess 2012 can fix a position lid 2, and the installation of being convenient for can reduce the height that automatically controlled box salient cover roof 201 simultaneously to improve compact structure nature. When the cover is closed, the connecting plate portion 23 is located in the groove 2012, the connecting plate portion 23 is attached to the groove bottom of the groove 2012, and the thickness of the connecting plate portion 23 is the same as the groove depth of the groove 2012, so that the flatness of the connecting position is improved.

It can be understood that the prior art can be referred to in the installation of 1 inner structure of automatically controlled box body and control module 3 in box body 1 inside, the utility model discloses do not limit this.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A range hood comprises a cover top plate (201) and is characterized by further comprising an electric control box, wherein the electric control box comprises a cover body (2) and a box body (1) with an opening at the upper end, a mounting opening (2011) is formed in the cover top plate (201), the box body (1) is inserted into the mounting opening (2011) and detachably connected with the cover top plate (201), the cover body (2) comprises a cover main body (21), a rotating part (22) is convexly arranged on one side of the cover main body (21), a jack (2013) is formed in the cover top plate (201), the rotating part (22) can be rotatably inserted into the jack (2013), the rotating part (22) is L-shaped, a vertical part (221) of the rotating part (22) is connected with the cover main body (21), and a transverse part (222) of the rotating part (22) extends into the lower portion of the cover top plate (201);

a pre-tightening structure is arranged between the transverse part (222) and the lower surface of the cover top plate (201), the height of the pre-tightening structure is larger than the distance between the transverse part (222) and the lower surface of the cover top plate (201) in an uncovering state, when the cover body (2) closes the upper end opening, one side of the cover main body (21) is abutted against the upper surface of the cover top plate (201), and the pre-tightening structure is clamped between the transverse part (222) and the lower surface of the cover top plate (201);

the other opposite side of the cover main body (21) is detachably connected with the cover top plate (201).

2. The range hood according to claim 1, wherein the pre-tightening structure comprises a pre-tightening rib (223), the pre-tightening rib (223) is protruded on the transverse portion (222), and the pre-tightening rib (223) abuts against the lower surface of the hood top plate (201).

3. A range hood as claimed in claim 2, wherein the pre-tightening rib (223) is of an elongated structure, and the pre-tightening rib (223) extends along the direction of the rotation axis of the cover (2).

4. The range hood according to claim 1, wherein a corner of the rotating portion (22) facing away from the pretensioning structure is provided with a chamfer (224).

5. The range hood according to any one of claims 1 to 4, wherein a plurality of the rotating parts (22) are arranged at intervals along the rotating axis of the cover body (2), and the insertion holes (2013) are arranged in one-to-one correspondence with the rotating parts (22).

6. A range hood according to any of claims 1-4, characterized in that when the cover (2) is rotated to the closed position closing the upper end opening, the cover (2) presses the box (1) downwards.

7. The range hood according to claim 6, wherein the cover body (21) is of a box-shaped structure, a rib portion (24) is protruded from the inner surface of the cover body (21), the cover body (21) is covered above the box body (1), and the rib portion (24) presses against the box body (1).

8. The range hood according to any one of claims 1 to 4, wherein a protrusion (213) is disposed on a side of the cover main body (21) away from the box body (1), a wire feeding port (214) is disposed on a side of the protrusion (213), and the wire feeding port (214) is communicated with the inner cavity of the box body (1).

9. The range hood according to any one of claims 1 to 4, wherein a recess (2012) is recessed in a top portion of the hood top plate (201), the mounting opening (2011) and the insertion hole (2013) are opened in a bottom of the recess (2012), and the cover body (21) is covered in the recess (2012).

10. The range hood according to claim 9, wherein the lower end surface of the cover main body (21) is outwardly extended with a connecting plate portion (23), the connecting plate portion (23) is attached to the bottom of the groove (2012), the vertical portion (221) is connected to the lower surface of the connecting plate portion (23), and the thickness of the connecting plate portion (23) is the same as the depth of the groove (2012).

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