CN215523423U

CN215523423U - Fume exhaust fan

Info

Publication number: CN215523423U
Application number: CN202120623238.5U
Authority: CN
Inventors: 梁齐齐; 朱学江; 王文博; 贾博贤
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-01-14
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a range hood, which comprises a shell and an air inlet formed in the front side of the shell, and further comprises a smoke baffle and a motion mechanism for driving the smoke baffle to open or close the air inlet in a turnover manner, wherein the motion mechanism comprises a driving device, the driving device comprises a body and an output rod arranged on the body, and the output rod can move in the front-back direction relative to the body, and the range hood is characterized in that: the motion mechanism still includes the adjusting device that can manually adjust and keep off cigarette board opening angle, adjusting device includes that at least part sets up and keeps away from the inboard extension rod of body one end at the output rod, output rod and extension rod back-and-forth movement or locking relatively, the tip that the output rod was kept away from to the extension rod rotates with the cigarette board and is connected. Compared with the prior art, the utility model has the advantages that: the opening angle of the smoke baffle can be manually adjusted after the smoke baffle is electrically driven to a certain angle, so that the smoke baffle is convenient to clean and the oil smoke absorption effect is improved.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The side-draft range hood absorbs most of oil smoke close to a cooking bench in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced, and the suction effect of a power source is basically not reduced because the power source is close to the cooking bench.

The utility model discloses a chinese utility model patent of application number 201821614146.5 discloses a range hood that oil net slidable opened, it includes the casing, the fan subassembly of setting in the casing, the case of discharging fume of setting above the casing, the panel, the oil net, keep off cigarette board and sliding rail set spare, the panel setting is in casing front side below, it sets up in the panel top to keep off cigarette board activity, sliding rail set spare is fixed on the casing, oil net one end is articulated with keeping off the cigarette board, another pot head is established on sliding rail set spare and is realized opening or closing along sliding rail set spare removal.

The opening angle of a smoke baffle plate of the existing side-suction type range hood is generally small, and inconvenience is caused when parts such as the oil screen, the inside of the shell, one side of the smoke baffle plate facing the shell and the like are cleaned.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a range hood which is convenient to clean and improves the oil smoke suction effect aiming at the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes the casing and the air intake that sets up at the front side of casing, range hood still includes keeps off the cigarette board and is used for the drive to keep off the motion that the cigarette board opened or closed the air intake with overturning, motion includes drive arrangement, drive arrangement includes the body and sets up the output rod on the body, the output rod can move its characterized in that along the fore-and-aft direction relative to the body: the motion mechanism still includes the adjusting device that can manually adjust and keep off cigarette board opening angle, adjusting device includes that at least part sets up and keeps away from the inboard extension rod of body one end at the output rod, output rod and extension rod back-and-forth movement or locking relatively, the tip that the output rod was kept away from to the extension rod rotates with the cigarette board and is connected.

In order to realize the locking function of the extension rod, at least two positioning holes are formed in the extension rod, the positioning holes are arranged at intervals in the front-back direction, a sliding groove is formed between every two adjacent positioning holes, the adjusting device further comprises an adjusting shaft which penetrates through the output rod and the extension rod in a left-right extending mode, the adjusting shaft can move left and right, and therefore the positioning holes can be inserted to enable the extension rod to be locked with the output rod relatively, or the adjusting shaft is separated from the positioning holes to enable the extension rod to be unlocked with the output rod.

In order to make the regulating spindle can lock the extension rod, the regulating spindle includes first axial region and the second axial region of controlling the arrangement, the size of first axial region is greater than the size of second axial region, the shape and the size of first axial region all with the locating hole adaptation, the size of first axial region is greater than the size of spout, the size of second axial region then is not greater than the size of spout.

In order to prevent that the regulating spindle from breaking away from follower and extension rod, adjusting device is still including setting up the stop gear who is used for preventing that the regulating spindle breaks away from follower and extension rod on the regulating spindle, stop gear includes first locating part and second locating part, the pilot hole that supplies the regulating spindle to pass is seted up respectively to relative both sides on the follower, one of them pilot hole is passed to first axle portion, second axle portion passes another pilot hole, first locating part sets up the tip outside the follower is passed in first axle portion, the tip outside the follower is passed in second axle portion to second locating part setting, the size of first locating part and second locating part all is greater than the pilot hole.

In order to be able to maintain the tendency of the first shaft portion to lock in cooperation with the positioning hole, the adjustment device further includes an elastic member that maintains the tendency of the first shaft portion to lock in cooperation with the positioning hole.

And the trend that the first shaft part is matched with the positioning hole to lock is kept, the elastic part is a spring, one end of the elastic part is abutted against the periphery of the output rod, and the other end of the elastic part is abutted against one side, close to the second shaft part, of the second limiting part.

In order to be used for fixing a position the extension rod, avoid the extension rod swing, thereby the port department that the one end of body was kept away from to the output rod is provided with and is used for fixing a position the extension rod and avoids the wobbling uide bushing of extension rod, the uide bushing sets up the outside at the extension rod.

In order to be able to fix a position the extension rod and avoid the extension rod swing, the port department that the body was kept away from to the output rod is provided with and is used for fixing a position the extension rod, avoids the wobbling uide bushing of extension rod, the uide bushing sets up the outside at the extension rod.

Compared with the prior art, the utility model has the advantages that: the adjusting device which can move relative to the output rod in the front-back direction is arranged between the output rod and the smoke baffle plate, so that after the smoke baffle plate is electrically driven to a certain angle, the opening angle becomes larger through manual adjustment, the smoke baffle plate is convenient to clean, and the opening angle of the smoke baffle plate can be manually adjusted according to the actual situation of oil smoke, so that the oil smoke absorption effect is improved; the smoke baffle is conveniently switched between a normal working state and a cleaning mode by arranging the positioning hole, the sliding groove and the adjusting shaft on the extension rod; through set up the elastic component on the regulating spindle to can keep first axial region and locating hole cooperation and locking trend, make the cigarette board keep in current required state.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention (manually opened at a maximum angle);

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

FIG. 3 is a schematic view of a portion of the components of the range hood according to the embodiment of the present invention;

fig. 4 is an exploded view of a part of the components of the range hood according to the embodiment of the present invention;

FIG. 5 is a cross-sectional view of a portion of the components of the extractor hood according to the embodiment of the present invention (manually opened at the maximum angle);

fig. 6 is a cross-sectional view of a portion of the components of the range hood of the embodiment of the present invention (manually opened in an intermediate state);

fig. 7 is a cross-sectional view of a portion of the components of a range hood according to an embodiment of the present invention (manually opened at a minimum angle);

fig. 8 is a schematic view of a range hood according to an embodiment of the present invention (manually opened at a minimum angle).

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

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 to 2 and 8, a range hood, which is a side-draft range hood in this embodiment, includes a housing 1, and an air inlet 11 is opened at a front side of the housing 1. The range hood also comprises a smoke baffle 2 which can turn over to open or close the air inlet 11.

The range hood also comprises a movement mechanism 3 for driving the smoke baffle 2 to overturn. The movement mechanism 3 is arranged inside the housing 1. The motion mechanism 3 includes a driving device 31, in this embodiment, the driving device 31 is an electric push rod, and includes a body 311 and an output rod 312 disposed on the body 311, and the output rod 312 is capable of moving linearly in the front-back direction relative to the body 311. The body 311 is fixedly disposed inside the housing 1.

The movement mechanism 3 further comprises an adjustment device 32 arranged between the output rod 312 and the smoke barrier 2. The adjusting device 32 comprises an extension rod 321 which is partially arranged at the inner side of the output rod 312 and can move relative to the output rod 312 in the front-back direction, and the end part of the extension rod 321 far away from the output rod 312 is rotatably connected with the smoke baffle 2.

Referring to fig. 3 to 7, the output rod 312 is hollow at an end away from the body 311, a guide sleeve 33 for positioning the extension rod 321 and preventing the extension rod 321 from swinging is disposed at a port of the end, the guide sleeve 33 is disposed outside the extension rod 321, and the extension rod 321 is at least partially inserted into the output rod 312 from the port.

The extension rod 321 is provided with two positioning holes 3211, the positioning holes 3211 are arranged in the front-rear direction, and a sliding slot 3212 for the adjustment shaft 322 to slide is formed between the positioning holes 3211. The adjusting device 32 further includes an adjusting shaft 322 that can be inserted into the positioning hole 3211 to lock the extending rod 321 and the output rod 312 relative to each other, and can be disengaged from the positioning hole 3211 to move the extending rod 321 back and forth relative to the output rod 312, and the adjusting shaft 322 extends through the output rod 312 and the extending rod 321 in a left-right direction. The adjusting shaft 322 includes a first shaft portion 3221 and a second shaft portion 3222 arranged left and right, preferably coaxially, the first shaft portion 3221 has a size larger than that of the second shaft portion 3222, and the first shaft portion 3221 has a shape and a size matched with the positioning hole 3211. The first shaft portion 3221 has a size larger than that of the sliding groove 3212, and the second shaft portion 3222 has a size not larger than that of the sliding groove 3212, so that the second shaft portion 3222 can slide back and forth along the sliding groove 3212.

The adjusting device 32 further includes a limiting mechanism 324 disposed on the adjusting shaft 322 for preventing the adjusting shaft 322 from being disengaged from the output rod 312 and the extending rod 321. The limiting mechanism 324 includes a first limiting member 3241 disposed on an end of the adjusting shaft 322 close to the first shaft portion 3221 and a second limiting member 3242 disposed on an end of the adjusting shaft 322 close to the second shaft portion 3222. The output rod 312 is provided with two opposite sides respectively with an assembling hole 3121 for the adjusting shaft 322 to pass through, the first shaft portion 3221 passes through one of the assembling holes 3121 and penetrates out of the output rod 312, the second shaft portion 322 passes through the other assembling hole 3121 and penetrates out of the output rod 312, and the first limiting member 3241 and the second limiting member 3242 are both larger than the assembling hole 3121 in size.

The adjusting device 32 further includes an elastic member 323 for keeping the first shaft portion 3221 engaged with the positioning hole 3211 to lock the trend. In this embodiment, the elastic element 323 is a spring, one end of the elastic element 323 abuts against the outer periphery of the output rod 312, and the other end of the elastic element 323 abuts against one side of the second limiting element 3242 close to the second shaft 3222.

Referring to fig. 5 and 7, the positioning hole 3211 on the side close to the moving mechanism 3 is a hole a, and the positioning hole 3211 on the side close to the smoke barrier 2 is a hole B, so that when the adjusting shaft 322 is locked in the hole B, the driving device 31 is in the minimum opening angle in the current state (fig. 7). When cleaning is needed, the adjusting shaft 322 can be manually pressed, so that the adjusting shaft 322 moves in the left-right direction, the first shaft portion 3221 leaves the B hole, and thus the smoke blocking plate 2 can be pulled forward and turned, that is, the extending rod 321 is pulled forward, so that the second shaft portion 3222 slides backward relative to the sliding groove 3212 (actually, the extending rod 321 moves), until the a hole on the extending rod 321 aligns with the second shaft portion 3222, the smoke blocking plate 2 is released, the first shaft portion 3221 is clamped into the a hole under the action of the elastic force of the elastic member 323, at this time, the adjusting shaft 322 and the extending rod 321 are locked relatively and do not move any more, and the range hood is in the cleaning mode, see fig. 1 and 5. After cleaning, the adjusting shaft 322 can be pushed to unlock the positioning hole 3211, and then the smoke barrier 2 is pushed in the opposite direction.

Alternatively, the number of the positioning holes 3211 may also be greater than 2, and a plurality of positioning holes 3212 may be arranged at intervals along the sliding groove 3212, so that after the driving device 31 drives the smoke barrier 2 to open to a predetermined position, the angle of the smoke barrier 2 may be manually adjusted according to the concentration of the oil smoke and the requirement of cleaning.

Referring to fig. 2, the moving mechanism 3 further includes a base 34, a rotating bracket 35 and a smoke baffle bracket 36, the smoke baffle bracket 36 is disposed on one side of the smoke baffle 2 facing the casing 1, the base 34 is fixed on the top of the inner side of the casing 1, one end of the rotating bracket 35 is rotatably connected with the base 34, and the other end of the rotating bracket 35 is rotatably connected with the smoke baffle bracket 36.

Claims

1. The utility model provides a range hood, includes casing (1) and air intake (11) seted up at the front side of casing (1), range hood still includes keeps off cigarette board (2) and is used for driving and keeps off motion (3) that cigarette board (2) overturn ground opened or closed air intake (11), motion (3) include drive arrangement (31), drive arrangement (31) include body (311) and set up output rod (312) on body (311), output rod (312) can move its characterized in that along the fore-and-aft direction relative body (311): motion (3) still include adjusting device (32) that can manually adjust cigarette board (2) opening angle, adjusting device (32) include that at least part sets up extension rod (321) of keeping away from body (311) one end inboard at output rod (312), output rod (312) and extension rod (321) can be relative back-and-forth movement or locking, extension rod (321) keep away from the tip of output rod (312) and are rotated with cigarette board (2) and be connected.

2. The range hood of claim 1, wherein: the adjusting device (32) further comprises an adjusting shaft (322) which penetrates through the output rod (312) and the extending rod (321) in a left-right extending mode, the adjusting shaft (322) can move left and right, and therefore the positioning holes (3211) can be inserted to enable the extending rod (321) and the output rod (312) to be locked relatively, or the adjusting shaft (322) is separated from the positioning holes (3211) to enable the extending rod (321) and the output rod (312) to be unlocked.

3. The range hood of claim 2, wherein: the adjusting shaft (322) comprises a first shaft part (3221) and a second shaft part (3222) which are arranged left and right, the size of the first shaft part (3221) is larger than that of the second shaft part (3222), the shape and the size of the first shaft part (3221) are matched with the positioning hole (3211), the size of the first shaft part (3221) is larger than that of the sliding groove (3212), and the size of the second shaft part (3222) is not larger than that of the sliding groove (3212).

4. The range hood of claim 3, wherein: the adjusting device (32) also comprises a limiting mechanism (324) which is arranged on the adjusting shaft (322) and is used for preventing the adjusting shaft (322) from being separated from the output rod (312) and the extension rod (321), the limiting mechanism (324) comprises a first limiting part (3241) and a second limiting part (3242), the two opposite sides of the output rod (312) are respectively provided with an assembling hole (3121) for the adjusting shaft (322) to pass through, the first shaft portion (3221) passes through one of the fitting holes (3121), the second shaft portion (3222) passes through the other fitting hole (3121), the first limiting piece (3241) is arranged at the end part of the first shaft part (3221) which penetrates out of the output rod (312), the second limiting piece (3242) is arranged at the end part of the second shaft part (3222) penetrating out of the output rod (312), the sizes of the first limiting piece (3241) and the second limiting piece (3242) are larger than those of the assembling holes (3121).

5. The range hood of claim 4, wherein: the adjusting device (32) further comprises an elastic member (323) which keeps the first shaft portion (3221) matched with the positioning hole (3211) to lock the trend.

6. The range hood of claim 5, wherein: the elastic piece (323) is a spring, one end of the elastic piece (323) abuts against the periphery of the output rod (312), and the other end of the elastic piece (323) abuts against one side, close to the second shaft portion (3222), of the second limiting piece (3242).

7. The range hood of claim 1, wherein: the port department of the one end of body (311) is kept away from in output rod (312) is provided with and is used for fixing a position extension rod (321) thereby avoid extension rod (321) wobbling uide bushing (33), uide bushing (33) set up in the outside of extension rod (321).

8. The range hood according to any one of claims 1 to 7, wherein: motion 3 still includes base (34), runing rest (35) and keeps off cigarette board support (36), keep off cigarette board support (36) and set up in the one side that keeps off cigarette board (2) towards casing (1), the top at casing (1) inboard is fixed in base (34), wherein one end and base (34) of runing rest (35) are rotated and are connected, the other end of runing rest (35) and keep off cigarette board support (6) and rotate and be connected.