CN217423366U - Oil cup assembly and range hood - Google Patents

Abstract

The utility model discloses an oil cup assembly and a range hood, which belong to the technical field of kitchen electricity, wherein the oil cup assembly comprises an oil cup body and a connecting structure, the connecting structure comprises a first connecting piece and a second connecting piece, the first connecting piece comprises a connecting part and a first inserting piece, the connecting part is detachably connected with the oil cup body, and the first inserting piece is provided with a slot; the second connecting piece is provided with a bayonet, and an elastic sheet is arranged on the inner wall of the bayonet and is configured to be elastically deformed when the first inserting sheet is inserted into the bayonet and clamped into the slot. The range hood comprises a fume collecting hood and the oil cup assembly, and the second connecting piece is detachably connected with the fume collecting hood. When the plug-in type LED lamp is normally used, the first plug-in piece is inserted into the bayonet, and the elastic piece is extruded to generate elastic deformation and is clamped into the slot. First inserted sheet has great area of contact with the bayonet socket, guarantees that the installation is firm, and shell fragment and slot cooperation play supplementary chucking effect, and further guarantee that the installation is firm, avoid the oil cup body to drop.

Description

Oil cup assembly and range hood

Technical Field

The utility model relates to a kitchen electricity technical field especially relates to an oil cup subassembly and range hood.

Background

In the process of cooking food, a large amount of oil smoke is generated, the oil smoke not only seriously pollutes the environment of a kitchen, but also a kitchen operator expects great harm to the body in the oil smoke environment, so the range hood is widely applied to the kitchen.

The oil cup is an important part of the range hood and is used for collecting oil drops generated in the working process of the range hood. After the range hood works for a period of time, the oil cup is full or more oil is collected, the oil cup needs to be detached to pour out the oil, and the oil cup is cleaned. Therefore, the oil cup needs to be repeatedly disassembled and assembled.

The existing range hood is inconvenient to install and disassemble due to the fact that some range hoods are provided with oil cups and the range hood are connected through screws. Some oil cups are clamped with the shell of the range hood, specifically, clamping grooves are formed in the shell, clamping buckles are arranged on the oil cups, and the clamping buckles are elastic and can be clamped into the clamping grooves. However, after the oil cup is mounted and dismounted for many times, the buckle is easy to deform, and the gravity of oil in the oil cup is large, so that the oil cup is easy to fall off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil cup subassembly and range hood to solve the oil cup installation that exists among the prior art and dismantle inconveniently, the technical problem that the oil cup easily drops.

As the conception, the utility model adopts the technical proposal that:

an oil cup assembly comprising an oil cup body and a connection structure, the connection structure comprising:

the first connecting piece comprises a connecting part and a first inserting piece, the connecting part is detachably connected with the oil cup body, and a slot is formed in the first inserting piece;

the second connecting piece is provided with a bayonet, an elastic sheet is arranged on the inner wall of the bayonet, and the elastic sheet is configured to be elastically deformed when the first inserting sheet is inserted into the bayonet and is clamped into the slot.

Wherein, one side of bayonet socket forms the second inserted sheet, the notch has been seted up on the first connecting piece first inserted sheet inserts during the bayonet socket the second inserted sheet inserts the notch.

The elastic sheet is arranged on the inner wall of one side of the bayonet, the avoidance hole is formed in the inner wall of the other side of the bayonet, and the avoidance hole is opposite to the elastic sheet.

Wherein, the connecting part is connected with the oil cup body through a screw.

The connecting portion is provided with a connecting groove, the oil cup body comprises a hanging lug, and the hanging lug can be inserted into the connecting groove and locked through the screw.

The hanger is characterized in that a first mounting hole is formed in one side of the connecting groove, a threaded hole is formed in the other side of the connecting groove, a through hole is formed in the hanger, and the screw penetrates through the first mounting hole and is connected with the threaded hole.

The second connecting piece comprises a supporting part and two bayonets symmetrically arranged relative to the supporting part, and one elastic sheet is arranged in each bayonet.

The supporting part is provided with a second mounting hole, and the second mounting hole is a counter-sunk hole.

Wherein, one side of supporting part is provided with spacing.

A range hood comprises a fume collecting hood and the oil cup assembly, wherein the second connecting piece is detachably connected with the fume collecting hood.

The utility model has the advantages that:

the utility model provides an oil cup subassembly, when normal use, first connecting piece and second connecting piece joint. At the moment, the first inserting piece is inserted into the bayonet, and the elastic piece is extruded to generate elastic deformation and is clamped into the slot. First inserted sheet has great area of contact with the bayonet socket, guarantees that the installation is firm, and shell fragment and slot cooperation play supplementary chucking effect, and further guarantee that the installation is firm, avoid the oil cup body to drop. When the oil cup body is required to be disassembled, the first inserting piece is pulled out to one side, so that the elastic piece can be separated from the slot, the first connecting piece is separated from the second connecting piece, the first connecting piece does not need to be disassembled, and the oil pouring cleaning and other works can be completed.

Drawings

Fig. 1 is a schematic structural diagram of a range hood provided by an embodiment of the present invention;

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

fig. 3 is a schematic structural diagram of an oil screen according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram ii of an oil screen provided in an embodiment of the present invention;

fig. 5 is a schematic view of a part of the structure of an oil screen according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial structure of an oil screen according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an oil guiding structure provided by an embodiment of the present invention;

fig. 8 is a side view of an oil guiding structure provided by an embodiment of the present invention;

fig. 9 is a schematic structural view of the embodiment of the present invention, showing the hanging rod engaged with the supporting shaft;

fig. 10 is a schematic view of a structure of the embodiment of the present invention for matching the buckle with the card seat;

fig. 11 is a schematic structural view of a buckle provided in the embodiment of the present invention;

fig. 12 is a schematic structural view of the oil cup assembly and the smoke collecting cover provided by the embodiment of the present invention;

FIG. 13 is an enlarged view at A of FIG. 12;

fig. 14 is a schematic structural diagram of an oil cup assembly provided by an embodiment of the present invention;

fig. 15 is a schematic structural view of an oil cup body according to an embodiment of the present invention;

fig. 16 is a schematic structural view illustrating the first connecting member and the second connecting member according to the embodiment of the present invention;

fig. 17 is a schematic structural diagram of a first connecting member according to an embodiment of the present invention;

fig. 18 is a schematic structural diagram of a second connecting member according to an embodiment of the present invention.

In the figure:

10. a housing;

20. a smoke collecting hood;

30. an oil screen; 31. an outer frame; 311. a first oil guide groove; 32. a base plate; 321. a first smoke passing hole; 33. a side plate; 331. a second smoke passing hole; 332. a second oil guide groove; 333. a bus bar section;

40. a baffle;

51. a hanging rod; 52. a support shaft; 53. a limiting bump; 54. a bolt; 55. buckling; 551. a buckle body; 552. a convex ball; 56. a card holder; 561. a groove;

50. an oil cup body; 51. hanging a lug;

61. a first connecting member; 611. a first tab; 612. a slot; 613. connecting grooves; 614. a first mounting hole; 615. a notch;

62. a second connecting member; 621. a bayonet; 622. a spring plate; 623. a second insert sheet; 624. avoiding holes; 625. a second mounting hole; 626. and (5) a limiting strip.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a range hood, which may be a flat range hood, including a casing 10, wherein an air cavity is formed in the casing 10, and a fan is disposed in the air cavity. The air inlet of the air cavity is provided with a smoke collecting cover 20, the smoke collecting cover 20 is provided with a smoke inlet, and the smoke inlet is communicated with the air cavity. The smoke inlet is provided with a flow guide structure, the flow guide structure comprises an oil screen 30 and a flow guide plate 40, the flow guide plate 40 is positioned below the oil screen 30, and the rear end of the smoke collecting cover 20 is provided with an oil cup assembly. The oil cup assembly comprises an oil cup body 50 and a connecting structure, the connecting structure is used for connecting the oil cup body 50 and the smoke collecting hood 20, and the rear end edge of the flow guide plate 40 extends to the upper side of the oil cup body 50.

When the range hood works, the fan is started, negative pressure is formed in the air cavity, so that surrounding oil smoke is accumulated to the smoke inlet along a gap between the guide plate 40 and the smoke collection cover 20, and the oil smoke is pumped away by the fan after passing through the oil net 30. Oil generated by condensing the oil smoke flows into the oil cup body 50 along the flow guide plate 40.

The oil screen 30 is detachably connected with the shell of the fume collecting hood 20, so that the fume collecting hood is convenient to replace or clean. The oil net 30 may be connected to the smoke collecting hood 20 by a plurality of screws. Or, one end of the oil screen 30 is inserted into the smoke collecting hood 20, and the other end of the oil screen 30 is fastened with the smoke collecting hood 20 through a screw. Specifically, the smoke collecting hood 20 is provided with an insertion hole, and one end of the oil screen 30 is provided with a protrusion which can be inserted into the insertion hole.

Referring to fig. 3 to 6, the oil screen 30 includes a main body portion and a side wing portion, the main body portion is provided with a plurality of first smoke passing holes 321, and the top surface of the main body portion is circumferentially provided with a first oil guide groove 311; the flank portion includes two curb plates 33, sets up in the both sides of main part relatively, has seted up a plurality of second on the curb plate 33 and has crossed cigarette hole 331, and one side of curb plate 33 is connected with the bottom surface of main part, and the oil groove 332 is led to the opposite side formation second of curb plate 33.

First on the main part cross cigarette hole 321 and play main oily cigarette effect, second on curb plate 33 crosses cigarette hole 331 and plays supplementary oily cigarette effect, has great oily cigarette area of crossing, and the oil smoke of being convenient for passes through rapidly, promotes the air inlet effect. First oil groove 311 can collect the fluid on oil net 30 upper portion, prevents that fluid from splashing, and first oil groove 311 ring is established and is had better oil effect that connects. Oil on the curb plate 33 can be collected to the second oil groove 332 of leading, and first oil groove 311 and the cooperation of second oil groove 332 of leading can realize comprehensively gathering oil and leading oil.

Specifically, the main body portion includes an outer frame 31 and a bottom plate 32 recessed inward with respect to the outer frame 31, the first smoke passing hole 321 is disposed on the bottom plate 32, and a first oil guiding groove 311 is formed at a boundary between the outer frame 31 and the bottom plate 32. The oil screen 30 is conveniently installed and fixed through the outer frame 31, and the bottom plate 32 is inwards concave relative to the outer frame 31 to form a first oil guide groove 311, so that the processing and the production are convenient, and the smooth flowing of oil is ensured.

More specifically, the first oil guide groove 311 has an oil guide surface that is disposed obliquely, ensuring smooth flow of oil.

The outward flange department of frame 31 is provided with first turn-ups, and the turning of frame 31 is the fillet, prevents sharp edge fish tail people hand, is convenient for take. The side plate 33 is connected with the first flanging, so that the processing and the production are convenient. In this embodiment, the outer frame 31 has a rectangular shape, which is adapted to the shape of the smoke inlet.

The area of the first smoke passing holes 321 accounts for at least 60% of the area of the bottom plate 32, and the first smoke passing holes have sufficient smoke passing area, so that the oil smoke smoothly passes through the first smoke passing holes, and the oil smoke suction efficiency is improved.

The main body has a front end and a rear end, and an oil leakage hole is formed in the first oil guide groove 311 located at the rear end. When the oil is installed, the outer frame 31 may be disposed in a horizontal direction, and the oil in the first oil guide groove 311 may drop downward through the first smoke passing hole 321. When the installation, the outer frame 31 can also be obliquely arranged, the front end of the outer frame 31 is higher than the rear end, part of the oil liquid in the first oil guide groove 311 drops downwards through the first smoke passing hole 321, and part of the oil liquid flows out through the oil leakage hole.

The second oil guide groove 332 is located on the inner side of the side plate 33, a convex edge is arranged on the inner side of the second smoke passing hole 331 around the circumferential direction, and the convex edge is located above the second oil guide groove 332. The oil condensed to the lip may drop into the second oil guide groove 332.

Specifically, the edge of curb plate 33 is provided with accepts the board, accepts the board and extends perpendicularly for curb plate 33, accepts the edge of board and is formed with the second turn-ups, accepts and forms the second between the surface of board and the second turn-ups and lead oil groove 332, and the oil leak can be avoided to the second turn-ups, leads to fluid simultaneously.

Optionally, the inner side and the outer side of the side plate 33 are both provided with a second oil guiding groove 332, and the oil condensed at the outer side of the second smoke passing hole 331 can also flow into the second oil guiding groove 332, so as to avoid oil dripping.

The second oil guiding groove 332 extends obliquely downward from the front to the rear direction, so that the oil can smoothly flow backward. The second oil guide groove 332 may be installed to be high in front and low in rear by inclination, or the second oil guide groove 332 may be structured to be high in front and low in rear. For example, the side plates 33 have a trapezoidal structure. The small end of the trapezoid structure is connected with the front end of the main body part, and the large end of the trapezoid structure is connected with the rear end of the main body part, so that the second oil guide groove 332 is high in front and low in rear.

The width of the rear end of the second oil guide groove 332 is tapered to form a confluence section 333, so that the oil is collected on one hand, and the installation space of other components is avoided on the other hand, thereby fully utilizing the space.

Referring to fig. 7 to 11, the guide plate 40 is connected to the side plate 33 of the oil screen 30, and the side plate 33 of the oil screen 30 is connected to the bottom surface of the main body, so that the guide plate 40 is spaced from the main body of the oil screen 30 by a certain distance, the air intake space between the guide plate 40 and the oil screen 30 is increased, and squeaking and noise are avoided.

Specifically, one end of the flow guide plate 40 is detachably pivoted with the side plate 33, and the other end of the flow guide plate 40 is clamped with the side plate 33. The guide plate 40 is supported by the side plate 33, so that the guide plate 40 is fast and convenient to mount and dismount, and the guide plate 40 is convenient to replace and clean.

Because two side plates 33 are arranged, one end of the guide plate 40 can be detachably pivoted with one side plate 33, and the other end of the guide plate 40 is clamped with the other side plate 33.

In this embodiment, the rear end of the air deflector 40 is pivotally connected to the side plate 33, and the front end of the air deflector 40 is clamped to the side plate 33. Since the side plate 33 is connected to the main body portion having a front end and a rear end, and the guide plate 40 is connected to the side plate 33, the side plate 33 and the guide plate 40 each have a front end and a rear end, respectively. Specifically, the rear end of the flow guiding plate 40 has two pivot points, and each pivot point is pivotally connected with one side plate 33; the front end of the guide plate 40 has two clamping points, and each clamping point is clamped with one side plate 33.

In this embodiment, the deflector 40 is provided with a hanging rod 51, the hanging rod 51 is provided with a hanging groove, the side plate 33 is provided with a support shaft 52, and the hanging rod 51 can be hung on the support shaft 52 through the hanging groove. Wherein, the hook groove is a semi-open groove, which is convenient for hanging on the supporting shaft 52 and being convenient for dismounting.

The hanging rod 51 and the guide plate 40 can be fixedly connected or hinged. For example, one end of the hanging rod 51 is hinged to the baffle 40, and the other end of the hanging rod 51 forms a hook groove. The articulated setting is convenient for rotate peg 51, realizes quick installation and dismantlement.

One end of the support shaft 52 is connected to the side plate 33, and the other end of the support shaft 52 is provided with a stopper projection 53. The limit projection 53 can prevent the hanging rod 51 from being released. The limit projection 53 may be integrally formed with the support shaft 52, or may be screwed with the support shaft 52.

The support shaft 52 is fixedly connected with the side plate 33, and can be in threaded connection or clamped connection. In the present embodiment, the supporting shaft 52 is connected to the side plate 33 by a bolt 54, a threaded hole is formed at one end of the supporting shaft 52, a through hole is formed in the side plate 33, and the bolt 54 passes through the through hole and is connected to the threaded hole. The bolt 54 includes a nut and a screw, and the screw is provided with a nut, which is located between the nut and the side plate 33, and which can prevent the nut from coming out of the through hole.

Be provided with buckle 55 on the guide plate 40, be provided with cassette 56 on the curb plate 33, be provided with the draw-in groove on the cassette 56, buckle 55 can with the draw-in groove joint. Wherein, the buckle 55 can be two elastic claws arranged at intervals, and when the buckle is installed, the elastic claws are elastically deformed and can be clamped into the clamping grooves.

In this embodiment, the buckle 55 includes a buckle body 551, a spring and a protruding ball 552, wherein the buckle body 551 is provided with a receiving groove, the protruding ball 552 is connected to the receiving groove through the spring, and the protruding ball 552 can enter the receiving groove. When the installation, protruding ball 552 receives the extrusion and compression spring, and then makes and detain body 551 and get into the draw-in groove, because the outside protruding ball 552 of extrusion of the elasticity of spring for protruding ball 552 can with the draw-in groove chucking.

Further, a groove 561 is disposed on the inner wall of the card slot corresponding to the position of the protruding ball 552. After the buckle body 551 enters the clamping groove, the elastic force of the spring extrudes the convex ball 552 outwards, so that the convex ball 552 can be clamped with the groove 561, and the clamping is more stable.

Referring to fig. 12 to 18, the connecting structure includes a first connecting piece 61 and a second connecting piece 62, the first connecting piece 61 is connected with the oil cup body 50, the second connecting piece 62 is connected with the smoke collecting cover 20, and the first connecting piece 61 is clamped with the second connecting piece 62.

The oil cup body 50 is in a strip shape, an opening is formed at the top of the oil cup body 50, and the edge of the rear end of the guide plate 40 is positioned above the opening. The oil cup body 50 comprises a hanging lug 51, and the first connecting piece 61 is connected with the hanging lug 51. In this embodiment, the oil cup body 50 has two hanging lugs 51, and the two hanging lugs 51 are respectively located at two ends of the oil cup body 50.

The first connecting piece 61 comprises a connecting part and a first inserting piece 611, the connecting part is detachably connected with the oil cup body 50, and the first inserting piece 611 is provided with a slot 612; the second connector 62 has a bayonet 621, and a resilient piece 622 is disposed on an inner wall of the bayonet 621, and the resilient piece 622 is configured to be elastically deformed and be inserted into the insertion groove 612 when the first insertion piece 611 is inserted into the bayonet 621. The arrangement of the slot 612 limits the elastic sheet 622, increases the contact area with the elastic sheet 622, and enables the connection to be stable.

When normally using, the first connecting piece 61 is connected with the oil cup body 50, the second connecting piece 62 is connected with the fume collecting hood 20, and the first connecting piece 61 is connected with the second connecting piece 62 in a clamping manner. At this time, the first insertion piece 611 is inserted into the bayonet 621, and the elastic piece 622 is pressed to elastically deform and be inserted into the insertion groove 612. When the oil cup body 50 needs to be disassembled, the first inserting piece 611 is pulled out to one side, so that the elastic piece 622 can be separated from the inserting groove 612, the first connecting piece 61 and the second connecting piece 62 are separated, the first connecting piece 61 does not need to be disassembled, and the oil pouring cleaning and other works can be completed. When the first inserting sheet 611 is inserted into the bayonet 621, the elastic sheet 622 is pressed to generate elastic deformation, when the first inserting sheet 611 is completely inserted into the bayonet 621, the elastic sheet 622 faces the insertion groove 612, and under the action of elastic restoring force, the elastic sheet 622 is inserted into the insertion groove 612.

Further, a second insertion piece 623 is formed on one side of the bayonet 621, a notch 615 is formed in the first connecting piece 61, and the second insertion piece 623 is inserted into the notch 615 when the first insertion piece 611 is inserted into the bayonet 621. The first inserting sheet 611 is inserted into the bayonet 621, and the second inserting sheet 623 is inserted into the notch 615, so that the first connecting piece 61 and the second connecting piece 62 are inserted in a staggered manner, the contact area between the first connecting piece 61 and the second connecting piece 62 is increased, and the connection is more stable.

In this embodiment, the elastic sheet 622 is disposed on an inner wall of one side of the bayonet 621, the avoiding hole 624 is disposed on an inner wall of the other side of the bayonet 621, and the avoiding hole 624 is disposed opposite to the elastic sheet 622. The arrangement of the avoiding hole 624 is convenient for processing and production, and the weight of the part is reduced.

The connecting part is connected with the oil cup body 50 through screws, so that the mounting and the dismounting are convenient. Because the connecting part is small in size, only one screw is needed to fix the oil cup body 50. When the oil cup body 50 is detached from the smoke collecting hood 20, the first connecting piece 61, i.e., the screw, does not need to be detached.

The connecting portion is provided with a connecting groove 613, and the hanging lug 51 of the oil cup body 50 can be inserted into the connecting groove 613 and locked by a screw. The hanging lug 51 is inserted into the connecting groove 613, and has a large contact area with the connecting groove 613, so that the connection is stable.

Specifically, one side of the connecting groove 613 is provided with a first mounting hole 614, the other side of the connecting groove 613 is provided with a threaded hole, the hanging lug 51 is provided with a through hole, and a screw passes through the first mounting hole 614 and the through hole to be connected with the threaded hole.

The second connector 62 includes a support portion and two bayonets 621 symmetrically disposed with respect to the support portion, and each of the bayonets 621 has a resilient piece 622 disposed therein. Two bayonets 621 that the symmetry set up for first connecting piece 61 can both be connected to second connecting piece 62's both sides, adapts to different installation space, improves the commonality.

A second mounting hole 625 is formed in the supporting portion, and the second mounting hole 625 is a counter-sunk hole. The second connector 62 is connected to the smoke collecting hood 20 through the second mounting hole 625. Specifically, a threaded hole is formed in the smoke collecting cover 20, and a screw passes through the second mounting hole 625 to be connected with the threaded hole.

One side of the support part is provided with a limit strip 626. When the second connecting piece 62 is installed, the limiting bar 626 is abutted to the fume collecting hood 20 to limit the fume collecting hood, so that the second mounting hole 625 is aligned with the threaded hole on the fume collecting hood 20.

To sum up, the embodiment of the utility model provides a range hood, oil net 30 have great into the cigarette area, have stronger collection oil and lead oily ability, guide plate 40 and oil cup subassembly easy to assemble dismantlement have great air inlet space between guide plate 40 and the oil net 30, noise abatement.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. An oil cup assembly, comprising an oil cup body (50) and a connecting structure, the connecting structure comprising:

the first connecting piece (61) comprises a connecting part and a first inserting piece (611), the connecting part is detachably connected with the oil cup body (50), and an inserting groove (612) is formed in the first inserting piece (611);

the second connecting piece (62) is provided with a bayonet (621), an elastic sheet (622) is arranged on the inner wall of the bayonet (621), and the elastic sheet (622) is configured to be elastically deformed and clamped into the slot (612) when the first inserting sheet (611) is inserted into the bayonet (621).

2. The oil cup assembly as claimed in claim 1, wherein a second insertion piece (623) is formed at one side of the bayonet (621), the first connector (61) is formed with a notch (615), and the second insertion piece (623) is inserted into the notch (615) when the first insertion piece (611) is inserted into the bayonet (621).

3. The oil cup assembly of claim 1, wherein the elastic sheet (622) is arranged on an inner wall of one side of the bayonet (621), and an avoiding hole (624) is arranged on an inner wall of the other side of the bayonet (621), and the avoiding hole (624) is arranged right opposite to the elastic sheet (622).

4. The oil cup assembly of claim 1 wherein said connection portion is screwed to said oil cup body (50).

5. The oil cup assembly of claim 4, wherein the connecting portion is provided with a connecting groove (613), and the oil cup body (50) comprises a hanging lug (51), wherein the hanging lug (51) can be inserted into the connecting groove (613) and locked by the screw.

6. The oil cup assembly of claim 5, wherein one side of the connecting groove (613) is provided with a first mounting hole (614), the other side of the connecting groove (613) is provided with a threaded hole, the hanging lug (51) is provided with a through hole, and the screw passes through the first mounting hole (614) and is connected with the threaded hole.

7. The oil cup assembly of claim 1, wherein said second connector (62) comprises a support portion and two said bayonet openings (621) symmetrically disposed with respect to said support portion, one said resilient tab (622) being disposed in each said bayonet opening (621).

8. The oil cup assembly of claim 7, wherein the support portion defines a second mounting hole (625), and the second mounting hole (625) is a counter-sunk hole.

9. The oil cup assembly of claim 7, wherein one side of the support portion is provided with a stop bar (626).

10. A range hood, characterized by comprising a fume collecting hood (20) and the cup assembly of any one of claims 1-9, wherein the second connector (62) is detachably connected with the fume collecting hood (20).

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