CN111520789B - Oil cup mounting structure and range hood applying same - Google Patents

Abstract

The invention discloses an oil cup mounting structure which comprises an oil cup assembly and a fixing assembly used for mounting the oil cup assembly on an external mounting base, wherein the oil cup assembly comprises an oil cup and a plug buckle arranged on the oil cup, the fixing assembly comprises a fixing box, a first sliding block arranged in the fixing box, a connecting rod and an annular limiting groove, a sliding groove capable of converting the lifting motion of the plug buckle into left and right motion is formed in the first sliding block, the first end of the connecting rod is rotatably connected with the first sliding block, the second end of the connecting rod can swing in the limiting groove, the second end of the connecting rod can be locked at a position where the limiting groove is far away from the first sliding block, and the second end of the connecting rod has a tendency of keeping the limiting groove close to one end of the first sliding block. Also discloses a range hood applying the oil cup mounting structure. Compared with the prior art, the invention has the advantages that: the up-and-down movement of the oil cup is converted into the left-and-right movement of the first sliding block, and the locking and the releasing are realized in the movement of the first sliding block, so that the oil cup can be conveniently installed, locked and detached.

Description

Oil cup mounting structure and range hood applying same

Technical Field

The invention relates to an oil collecting device, in particular to an oil cup mounting structure and a range hood applying the oil cup mounting structure.

Background

The range hood has become one of indispensable kitchen appliances in modern families, utilizes the fluid dynamics principle to work, inhales and exhausts oil smoke through a centrifugal fan arranged in the range hood, and uses a filter screen to filter partial grease particles. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, accelerated by the fan and then collected and guided by the volute to be discharged out of a room.

In the process of exhausting the oil fume flow, most of grease can be separated out, so that an oil cup is often installed at the bottom of a fume collecting hood of the range hood to collect the separated grease, and the grease is disposed when a certain amount of grease is reached. The oil cup is used as a key part for collecting and storing grease, needs to be reliably installed on the body of the range hood, and can be conveniently and quickly installed and detached.

At present, a strip-shaped oil cup is commonly used, for example, a side-suction type range hood disclosed in chinese patent with application number 201220617676.1, the oil cup is arranged below an oil collecting groove of the range hood, sliding grooves are arranged at two ends of the oil collecting groove, an upper row and a lower row of pulleys are arranged in the sliding grooves, chamfered edges are arranged at two ends of the oil cup and are inserted into the two rows of pulleys, and the oil cup is fixed by a magnetic strip arranged on the front side of the oil collecting groove.

Most of the existing range hoods adopt a slender oil cup, and the slender oil cup is usually fixed by plugging on two sides of the oil cup. The installation mode has more problems, for example, the installation is not easy because the plugging port is small; unstable when the oil cup is disassembled, the oil cup is easy to splash under the condition of being too full, and sometimes the other side fixing structure is damaged under the action of the gravity of the oil cup after one side of the oil cup is accidentally knocked off, so that the oil cup cannot be fixed and the like.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide an oil cup mounting structure aiming at the defects in the prior art, the dismounting process is stable, and the splashing and damage of the oil cup caused by the single-side falling of the oil cup due to mistaken collision can be avoided.

The second technical problem to be solved by the invention is to provide a range hood with the oil cup mounting structure.

The technical scheme adopted by the invention for solving the first technical problem is as follows: an oil cup mounting structure, includes oil cup subassembly and is used for installing the fixed subassembly on the installation basis of outside with the oil cup subassembly, the oil cup subassembly includes the oil cup, its characterized in that: the oil cup subassembly is still including setting up the eye-splice on the oil cup, fixed subassembly is including fixed box, first slider, connecting rod and the annular spacing groove of setting in fixed box, be formed with the spout that can turn into the side-to-side motion with the elevating movement of eye-splice in the first slider, the first end and the first slider of connecting rod rotate to be connected, the second end can swing at the spacing inslot, the second end of connecting rod can keep away from the position locking of first slider at the spacing groove to have and keep being close to the trend of first slider one end at the spacing groove.

Preferably, in order to facilitate the second end of the connecting rod to complete locking and releasing in the swinging process, the limiting groove comprises a first groove and a second groove which respectively extend from one end close to the first sliding block to the direction far away from the first sliding block, the limiting groove further comprises a third groove connected between one ends of the first groove and the second groove far away from the first sliding block, one ends of the first groove and the second groove close to the first sliding block are communicated with each other, the first groove is positioned on the second groove, a certain included angle is formed between the two grooves, and the third groove is provided with a limiting opening which is recessed towards the first sliding block to form a limiting opening capable of locking the connecting rod.

Preferably, a first elastic piece is further arranged in the fixing box, the limiting groove and the first elastic piece are located on the same side of the first sliding block, and the first elastic piece is used for pushing the first sliding block to the direction away from the limiting groove, so that the second end of the connecting rod keeps the trend that the first groove and the second groove are close to one end of the first sliding block.

Preferably, in order to facilitate the transformation of the up-and-down movement of the insert buckle, the sliding groove is gradually inclined from bottom to top in a direction away from the first elastic member, and the sliding groove penetrates through the bottom surface of the first sliding block.

Preferably, in order to facilitate the matching of the insert buckle and the sliding groove, the insert buckle comprises an insert rod extending upwards from the joint of the insert buckle and the oil cup to the direction far away from the oil cup, and a buckle part arranged at the end part of the insert rod far away from the oil cup, wherein the buckle part is in sliding fit with the sliding groove.

Preferably, in order to stably install the oil cup, the two inserting buckles are arranged on the left side and the right side of the oil cup respectively, the two fixing assemblies are arranged, and each fixing assembly is matched with one of the two inserting buckles respectively.

In order to avoid the waste oil splash and the damage of the oil cup caused by the mistaken disassembly of the single side of the oil cup, each fixed component also comprises a second sliding block which can be inserted into the limit groove so as to block the second end of the connecting rod from moving along the first groove to the direction close to the first sliding block.

In order to control the action of the second sliding block, each fixing component further comprises an electromagnet and a failure switch for controlling the electromagnet of the other fixing component, the failure switch is arranged in the limiting opening, the second sliding block is provided with a lug corresponding to the position of the first groove, and the second sliding block can be attracted by the electromagnet to enable the lug to enter the first groove so as to block the second end of the connecting rod.

In order to facilitate the resetting of the second sliding block and enable the oil cup to operate normally, a second elastic piece is arranged between the fixing box and the second sliding block, and the second elastic piece enables the second sliding block to keep away from the trend of the limiting groove.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the utility model provides an be applied to range hood as above oil cup mounting structure, includes the collection petticoat pipe as outside installation basis, the oil cup is located the rear side bottom of collection petticoat pipe, its characterized in that: the fixed component is positioned inside the rear side of the smoke collecting cover, and the bottom of the smoke collecting cover is provided with an installation opening for the insertion buckle to pass through.

Compared with the prior art, the invention has the advantages that: the vertical movement of the oil cup is converted into the left-right movement of the first sliding block, and the locking and the releasing are realized in the movement of the first sliding block, so that the installation, the locking and the removal of the oil cup can be realized conveniently; the oil cup is convenient to disassemble and assemble, the oil cup is pressed upwards during disassembly and assembly, no sudden force is generated during the process, and waste oil splashing during disassembly and assembly is avoided; by the correlated interlocking of the two fixed assemblies, the waste oil splashing and the oil cup damage caused by the mistaken disassembly of one side of the oil cup can be avoided; the fixed assembly is hidden and installed, and no obvious protrusion is arranged on the fume collecting hood after the oil cup is detached, so that the fume collecting hood is convenient to clean.

Drawings

FIG. 1 is a schematic view of a range hood according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a range hood in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of an oil cup assembly of the range hood according to the embodiment of the present invention;

FIG. 4 is a schematic view of a fixing assembly of the range hood according to the embodiment of the present invention;

FIG. 5 is a cross-sectional view of a mounting assembly of the range hood in accordance with the exemplary embodiment of the present invention;

FIG. 6 is a partial schematic view of a non-detachable oil cup mounting structure of the range hood according to the embodiment of the present invention;

FIG. 7 is a partial sectional view of the non-detachable oil cup mounting structure of the range hood according to the embodiment of the present invention;

fig. 8 is a partial schematic view of an oil cup mounting structure state a of the range hood according to the embodiment of the present invention;

fig. 9 is a partial sectional view of the oil cup mounting structure state a of the range hood according to the embodiment of the present invention;

fig. 10 is a partial schematic view of an oil cup mounting structure state B of the range hood according to the embodiment of the present invention;

fig. 11 is a partial sectional view of an oil cup mounting structure state B of the range hood according to the embodiment of the present invention;

fig. 12 is a partial schematic view of an oil cup mounting structure state C of the range hood according to the embodiment of the present invention;

fig. 13 is a partial sectional view of an oil cup mounting structure state C of the range hood according to the embodiment of the present invention;

fig. 14 is a partial schematic view of an oil cup mounting structure state D of the range hood according to the embodiment of the present invention;

fig. 15 is a partial sectional view of the oil cup mounting structure state D of the range hood according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 and 2, the range hood comprises a fume collecting hood 1 and an oil cup mounting structure, wherein the oil cup mounting structure comprises an oil cup assembly 2 and two fixing assemblies 3 for connecting the oil cup assembly 2 with the fume collecting hood 1, and the two fixing assemblies 3 are respectively and symmetrically arranged above the left side and the right side of the oil cup assembly 2. The fixed component 3 is fixed at the rear side of the smoke collecting cover 1 through screws and is positioned inside the smoke collecting cover 1 for hidden installation. The fixing assembly 3 of the present invention is primarily directed to an elongated oil cup 21.

Referring to fig. 2 and 3, the oil cup assembly 2 includes an oil cup 21 and buckles 22 disposed on the left and right sides of the oil cup 21, and the buckles 22 are fixedly connected to the oil cup 21 to prevent the buckles 22 from rotating relative to the oil cup 21. The insert buckle 22 comprises an insert rod 221 extending upwards from the connection position of the oil cup 21 in the direction away from the oil cup 21 and a buckle part 222 arranged at the end part of the insert rod 221 away from the oil cup 21, wherein the buckle part 222 is angled with respect to the insert rod 221, preferably, extends forwards perpendicular to the insert rod 221 and is positioned above the oil cup 21. The back bottom of the smoke collecting cover 1 is provided with a mounting opening 11, and a plug-in buckle 22 passes through the mounting opening 11 and is connected with the fixed component 3 above the mounting opening 11. In a state where the fixing member 3 is mounted and the oil cup member 2 is not mounted, only the screw 12 fixed to the fixing member 3 and the mounting hole 11 for passing the insertion buckle 22 are visible from the bottom of the smoke collecting hood 1.

The mounting function of the oil cup mounting structure is mainly realized by the fixing component 3. The fixing component 3 is functionally divided into two parts, wherein the first part is used for realizing the disassembly and assembly of the oil cup component 2, and two functions of disassembly and cleaning and installation can be realized only by upward pressing; the second part is used for realizing that the unilateral of oil cup subassembly 2 is prevented tearing open, avoids oil cup subassembly 2 because of the sloshing leads to waste oil splatter and oil cup subassembly 2 damages.

First, the functional implementation of the first part will be described, referring to fig. 4, 6 and 7, including a fixed box 31, a box cover 32 disposed at the front side of the fixed box 31, a first slider 33 disposed in the fixed box 31, and a first elastic member 34. Fig. 6 is a schematic view of the oil cup mounting structure after hiding the lid 32 and the oil cup 21, and fig. 8, 10, 12 and 14 are similar. The screw 12 connects and fixes the fixing box 31 and the smoke collecting cover 1. The first slider 33 slides left and right in the fixed box 31. A slide groove 331 is provided in the first slider 33, and the first elastic member 34 is provided between one side of the first slider 33 and the corresponding side of the fixed box 31. As shown in fig. 6, the fixing assembly 3 is installed on the right side, and the first slider 33 is disposed on the left side in the fixing box 31, and the first elastic member 34 is disposed on the right side of the first slider 33 for maintaining the first slider 33 to have a tendency to slide leftward. The fixed assembly 3 mounted on the left side is symmetrical to this. The sliding slot 331 in the first sliding block 33 is inclined from bottom to top in a direction away from the first elastic element 34, and the first sliding block 331 penetrates through the bottom surface of the first sliding block 33 for inserting the fastening portion 222 of the buckle 22. Through setting up spout 331, can change the up-and-down motion of eye-splice 22 into the side-to-side motion of first slider 33 on the one hand, on the other hand can be when the unable side-to-side motion of first slider 33, can fix eye-splice 22 to indirect fixed oil cup 21. In the present embodiment, the first elastic member 34 is preferably a spring.

The fixing assembly 3 further includes a connecting rod 35 and a limiting groove 36 disposed in the fixing box 31, and the limiting groove 36 and the first elastic member 34 are located on the same side of the first slider 33. The first end 351 of the connecting rod 35 is rotatably connected to the first slider 33 (the rotating shaft extends in the front-rear direction), and the opposite second end 352 can swing in the stopper groove 36. The limiting groove 36 is annular, the limiting groove 36 includes a first groove 361 and a second groove 362 extending from one end close to the first slider 33 to a direction far away from the first slider 33, and a third groove 363 connected between one ends of the first groove 361 and the second groove 362 far away from the first slider 33, the ends of the first groove 361 and the second groove 362 close to the first slider 33 are directly communicated, the ends of the first groove 361 and the second groove 362 far away from the first slider 33 are communicated through the third groove 363, and a certain included angle is formed between the first groove 361 and the second groove 362. In this embodiment, the first groove 361 is located above the second groove 362, the first groove 361 gradually extends upward and obliquely from the connection with the second groove 362, and the second groove 362 gradually extends downward from the connection with the first groove 361. The first groove 361 and the second groove 362 may be linear grooves or grooves having at least one bend. The third slot 363 preferably has a limiting opening 364 formed in the middle, for example, recessed toward the first slider 33, and the second end 352 of the connecting rod 35 can be inserted into the limiting opening 364. Preferably, the first end 351 of the connecting rod 35 is a large end and is connected to the first slider 33, and the second end 352 is a small end and swings along the limiting groove 36. The first elastic member 34 is used to push the first slider 33 away from the limiting groove 36, so that the second end 352 of the connecting rod 35 tends to abut against the direct connection between the first groove 361 and the second groove 362 (the end close to the first slider 33).

Referring to fig. 8 and 9, in a state a (original state) of the mounting structure, in which the insert buckle 22 is not inserted into the slide groove 331 and is not restricted by the fixing member 3, the first slider 33 is located at a position farthest from the limiting groove 36, and the second end 352 of the connecting rod 35 abuts against a joint of the first groove 361 and the second groove 362.

Referring to fig. 10 and 11, the oil cup assembly 2 is then pressed upward, so that the buckle portion 222 of the buckle 22 slides upward after being inserted into the sliding slot 331, and since the buckle 22 can only move upward, the first sliding block 33 is driven to move toward the limiting slot 36 (rightward in the figure), and the second end 352 of the connecting rod 35 slides along the second slot 362 to the third slot 363, and the state B is reached. In the process, the first elastic member 34 is compressed.

Referring to fig. 12 and 13, when the buckle 22 is released, the first sliding block 33 is pushed away from the limiting groove 36 by the restoring force of the first elastic element 34, and the end of the connecting rod 34 finally slides into the limiting opening 364 of the third groove 363 to reach the state C. In the state C, the first slider 33 cannot move further in the direction away from the stopper groove 36 (leftward), the position of the insert buckle 22 is restricted by the first slider 33 and the fixing box 31, and the oil cup 21 is fixed.

Referring to fig. 14 and 15, if the oil cup assembly 2 needs to be removed, the oil cup assembly 2 is pushed upwards again, the inserting buckle 22 continues to move upwards, the first sliding block 33 moves towards the direction close to the limiting groove 36 (to the right), the second end 352 of the connecting rod 35 slides out of the limiting opening 364, and reaches the top along the third groove 363, so that the oil cup assembly cannot be pushed upwards, and the state D is reached. Under the action of the restoring force of the first elastic element 34, the first sliding block 33 is pushed away from the limiting groove 36, the second end 352 of the connecting rod 35 slides along the first groove 361, the original state of the joint of the first groove 361 and the second groove 362 is returned, and the oil cup assembly 2 is pulled downwards to be detached.

The installation, fixation and removal of the eye-splice 22 is achieved by the cyclic oscillation of the second end 352 of the connecting rod 35 in the limiting groove 36.

The first end 351 of the connecting rod 35 is fixed to the first slider 33 by a nut, and after being fixed, does not swing by gravity but only swings along with the stopper groove 36 of the fixing box 31.

Referring to fig. 5 to 7, to explain the functional implementation of the second part, the fixing component 3 further includes an electromagnet 37, a second slider 38, and a disable switch 39, the disable switch 39 is disposed in the limiting groove 36, a switch contact of the disable switch is located in the limiting opening 364, and the switch contact of the disable switch 39 can be pressed when the second end 352 of the connecting rod 35 is snapped into the limiting opening 364. The stopper groove 36 penetrates the rear side of the cassette 31 at least at the connection between the first groove 361 and the third groove 363. The second slider 38 may be disposed at the rear side of the fixed box 31, and the electromagnet 37 may be disposed at the top of the fixed box 31 opposite to the second slider 38, and the second slider 38 may slide in the front-rear direction. The second slider 38 has a projection 381 corresponding to the position of the first groove 361, and the projection 38 extends toward the inside of the fixed case 31. A second elastic member 40 is provided between the fixed box 31 and the second slider 38, one end of the second elastic member 40 abuts against the inside of the fixed box 31, and the other end abuts against the inside of the second slider 38, and preferably, the second elastic member 40 is a spring. When the electromagnet 37 is turned on, the second slider 38 is attracted by the electromagnet 37, moves in the direction of the fixed box 31 (forward), compresses the second elastic member 40, and the projection 381 of the second slider 38 enters the first groove 361 of the limit groove 36 in the fixed box 31, and blocks the second end 352 of the link 35 from returning to the original state from the first groove 361. In this state, the fixing assembly 3 cannot return from the state D to the state a, but can return to the state C only under the action of the first elastic member 34, i.e. the oil cup assembly 2 cannot be removed. After the electromagnet 37 is powered off, the second sliding block 38 slides backwards out of the limiting groove 36 of the fixed box 31 under the action of the second elastic element 40, and the oil cup assembly 2 is detachable.

The energization and de-energization of the electromagnet 37 is controlled by a disable switch 39. The electromagnet 37 of each fixed component 3 is controlled by the disable switch 39 of the other fixed component 3, and when the second end 352 of the connecting rod 35 is clamped into the limiting opening 364, namely the switch contact of the disable switch 39 is pressed, the electromagnet 37 is controlled to be conducted. For example, when the left fixed component 3 is in the state C, that is, the state of the fixed state of the plug 22, the switch contact of the disable switch 39 on the fixed component 3 on the side is pressed, so that the electromagnet 37 on the fixed component 3 on the right is turned on, the protrusion 381 of the second slider 38 is snapped into the limit groove 36, and the plug 22 on the fixed component 3 on the right is not removable. Otherwise, the insertion buckle 22 of the right-side fixing member 3 is removable. Similarly, when the right fixing element 3 is in the state C, the left fixing element 3 also prevents the insertion buckle 22 from being detached.

When the oil cup assembly 2 is not installed, both the fixing assemblies 3 are in the state a. Then, the inserting buckles 22 of the oil cup assemblies 2 are simultaneously installed in the left and right fixed assemblies 3 and pushed up to the bottom, so that both the fixed assemblies 3 are in the state B. Under the action of the first elastic element 34 of each of the two fixing assemblies 3, the second end 352 of the connecting rod 35 is clamped into the limiting opening 364, the inserting buckle 22 is limited and fixed, the fixing assembly 3 is in the state C, and the oil cup assembly 2 is completely installed. After that, two cases are divided: 1) if one of the buckles 22 (for example, the left side) is pressed, the left side fixing component 3 reaches the state D, the right side fixing component 3 is in the detachable state and maintains the state C, while the left side fixing component 3 maintains the non-detachable state, the first elastic piece 34 of the left side fixing component 3 recovers the force action to return to the state C, and the two fixing assemblies 3 and the oil cup component 2 are not detachable. 2) The eye-splice 22 of the both sides of the oil cup assembly 2 is pushed up to the end again, two fixed assemblies 3 all reach state D, two failure switches 39 are closed, at this moment, two fixed assemblies 3 and oil cup assembly 2 are all detachable states, can all return to state A under the effect of the first elastic component 34 of each other, finish the dismantlement of the oil cup assembly 2.

Claims (10)

1. An oil cup mounting structure comprising an oil cup assembly (2) and a fixing assembly (3) for mounting the oil cup assembly (2) to an external mounting base, the oil cup assembly (2) comprising an oil cup (21), characterized in that: the oil cup component (2) further comprises a buckle (22) arranged on the oil cup (21), the fixing component (3) comprises a fixing box (31), a first sliding block (33) arranged in the fixing box (31), a connecting rod (35) and an annular limiting groove (36), a sliding groove (331) capable of converting the lifting motion of the buckle (22) into left-right motion is formed in the first sliding block (33), a first end (351) of the connecting rod (35) is rotatably connected with the first sliding block (33), a second end (352) of the connecting rod (35) can swing in the limiting groove (36), and a second end (352) of the connecting rod (35) can be locked at a position where the limiting groove (36) is far away from the first sliding block (33) and has a tendency of keeping the limiting groove (36) close to one end of the first sliding block (33).

2. The oil cup mounting structure according to claim 1, wherein: the limiting groove (36) comprises a first groove (361) and a second groove (362) which respectively extend from one end close to the first sliding block (33) to the direction far away from the first sliding block (33), the limiting groove (36) further comprises a third groove (363) connected between one ends, far away from the first sliding block (33), of the first groove (361) and the second groove (362), the ends, close to the first sliding block (33), of the first groove (361) and the second groove (362) are mutually communicated, the first groove (361) is located on the second groove (362), a certain included angle is formed between the two grooves, and the third groove (363) is provided with a limiting opening (364) which is sunken towards the first sliding block (33) to form a connecting rod (35) capable of being locked.

3. The oil cup mounting structure according to claim 2, wherein: the fixing box (31) is further internally provided with a first elastic piece (34), the limiting groove (36) and the first elastic piece (34) are positioned on the same side of the first sliding block (33), and the first elastic piece (34) is used for pushing the first sliding block (33) to the direction away from the limiting groove (36), so that the second end (352) of the connecting rod (35) is kept at the trend of the first groove (361) and the second groove (362) close to one end of the first sliding block (33).

4. The oil cup mounting structure according to claim 3, wherein: the sliding groove (331) is gradually inclined from bottom to top in a direction away from the first elastic piece (34), and the sliding groove (331) penetrates through the bottom surface of the first sliding block (33).

5. The oil cup mounting structure according to claim 1, wherein: the insert buckle (22) comprises an insert rod (221) extending upwards from the connecting position of the insert buckle and the oil cup (21) to the direction far away from the oil cup (21), and a buckle part (222) arranged at the end part of the insert rod (221) far away from the oil cup (21), wherein the buckle part (222) is in sliding fit with the sliding groove (331).

6. The oil cup mounting structure according to claim 2, wherein: the two eye-splices (22) are arranged on the left side and the right side of the oil cup (21) respectively, the two fixing assemblies (3) are arranged, and each fixing assembly (3) is matched with one eye-splice (22) respectively.

7. The oil cup mounting structure according to claim 6, wherein: each fixing component (3) also comprises a second sliding block (38) which can be inserted into the limiting groove (36) so as to block the second end (352) of the connecting rod (35) from moving along the first groove (361) to the direction close to the first sliding block (33).

8. The oil cup mounting structure according to claim 7, wherein: each fixed component (3) further comprises an electromagnet (37) and a fail switch (39) for controlling the electromagnet (37) of the other fixed component (3), the fail switch (39) is arranged in the limiting opening (364), the second sliding block (38) is provided with a lug (381) corresponding to the position of the first groove (361), and the second sliding block (38) can be attracted by the electromagnet (37) to enable the lug (381) to enter the first groove (361) so as to block the second end (352) of the connecting rod (35).

9. The oil cup mounting structure according to claim 8, wherein: a second elastic piece (40) is arranged between the fixed box (31) and the second sliding block (38), and the second elastic piece (40) enables the second sliding block (38) to keep away from the trend of the limiting groove (36).

10. A range hood applying the oil cup mounting structure of any one of claims 1 to 9, comprising a smoke collecting hood (1) as an external mounting base, wherein the oil cup (21) is positioned at the bottom of the rear side of the smoke collecting hood (1), and is characterized in that: the fixed component (3) is positioned inside the rear side of the smoke collecting cover (1), and the bottom of the smoke collecting cover (1) is provided with a mounting hole (11) for the insertion buckle (22) to pass through.

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