CN213775840U

CN213775840U - Fan fixing device and range hood with same

Info

Publication number: CN213775840U
Application number: CN202022218149.0U
Authority: CN
Inventors: 刘元卉
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-23
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a fan fixing device, its characterized in that: including being used for the mounting of being connected with outside installation basis, the mounting is including can be around self axis pivoted pivot, be provided with in the pivot with pivot threaded connection, can follow the axial displacement's of pivot slider, fan fixing device still includes the support that realizes being connected or dismantling with the slider through the removal of slider, the support is used for being connected with the fan. Also discloses a range hood with the fan fixing device. Compared with the prior art, the utility model has the advantages of: through setting up the slider of being connected with the external mounting basis and the support of being connected with the fan, can remove through the slider and make slider and support chucking fixed or release, accomplish the fixed and release on fan and the external mounting basis, guarantee that the spiral case can have the support in the transportation, the spiral case can get into unsettled state after the complete machine installation is accomplished, avoids machine and spiral case direct contact to produce resonance abnormal sound.

Description

Fan fixing device and range hood with same

Technical Field

The utility model relates to an oil smoke purifier, especially a fan fixing device and applied range hood that has this fan fixing device.

Background

The range hood has become one of indispensable kitchen household electrical appliances in modern families, and the range hood generally comprises a top suction type range hood and a side suction type range hood, and the top suction type range hood has more and more extensive application due to the advantages of neatness, lightness, small occupied space and the like. The top-suction type range hood generally includes a fume collecting hood, a fan frame located on the fume collecting hood, and a volute, an impeller and a motor for driving the impeller are installed in the fan frame.

For example, the chinese patent application No. 201610915400.4 discloses a range hood motor mounting structure and a range hood, the range hood motor mounting structure includes a motor, a fan volute and a motor bracket, the motor is fixed with the motor bracket, the motor bracket includes a mounting body and a plurality of supporting legs for fixing with the fan volute, the plurality of supporting legs integrally extend from the mounting body and are uniformly distributed on the mounting body.

As shown in the attached drawings of the patent, the volute of the existing range hood is fixed on a fan frame generally by screwing a support. When the range hood works, the vibration of the motor causes the resonance of the fan, the vibration of the fan can be transmitted to the fan frame through the bracket and finally transmitted to the whole range hood to cause the resonance of the whole range hood. However, if the support is removed, the fan is deformed due to vibration and the like in the transportation process of the range hood, and finally the performance or structure of the machine is abnormal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that will solve is not enough to above-mentioned prior art existence, provides one kind can be connected with the spiral case of fan when range hood transportation, can break away from with the spiral case of fan when range hood uses fan fixing device.

The utility model aims to solve the second technical problem that a range hood that uses this fan fixing device is provided.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a fan fixing device which characterized in that: including being used for the mounting of being connected with outside installation basis, the mounting is including can be around self axis pivoted pivot, be provided with in the pivot with pivot threaded connection, can follow the axial displacement's of pivot slider, fan fixing device is still including being used for realizing the support of being connected or dismantling with the slider through the removal of slider, the support is used for being connected with the fan.

In order to realize the detachable connection of the sliding blocks and the bracket, the bracket is in a long strip shape, the two sliding blocks are provided and can be close to each other or be far away from each other through the rotation of the rotating shaft, so that the bracket is clamped when the two sliding blocks are close to each other, and the bracket is loosened when the two sliding blocks are far away from each other.

In order to clamp the sliding block and the support conveniently, the two ends of the support are provided with bayonets matched with the clamping of the sliding block in a clamping mode, the bayonets are recessed towards the inner side from the end faces, and the sliding block is connected with the bayonet clamping and matching.

In order to facilitate the two sliding blocks to reversely slide, the rotating shaft comprises a shaft body and a worm wheel arranged in the middle of the shaft body, a first threaded part and a second threaded part are respectively arranged on two sides of the worm wheel in the axial direction of the shaft body, the spiral directions of the first threaded part and the second threaded part are opposite, and the sliding blocks are in threaded connection with the first threaded part and the second threaded part.

In order to facilitate the rotation of the rotating shaft, the fixing piece further comprises a rotating piece capable of driving the rotating shaft to rotate, and the rotating piece comprises a worm meshed with the worm wheel and a knob arranged on the worm and used for operating the worm conveniently.

In order to realize the setting of mounting in the fan frame and spacing at the casing inboardly with pivot and slider, the mounting includes the casing of being connected with outside installation basis, pivot and slider set up the inboard at the casing, the mounting still includes the apron spacing at the casing inboard with pivot and slider, the support sets up the one side of keeping away from the casing at the apron, set up the mouth that slides that supplies the joint to pass and supply the joint to remove on the apron, the knob that rotates is located the outside of casing, the worm wears to the inboard of casing and the worm wheel meshing of pivot.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an use range hood that has this fan fixing device, includes the fan frame, the fan setting is in the inboard of fan frame, the fan includes the spiral case, its characterized in that: the fan frame forms the external installation foundation, the fixing piece is connected with the inner side of the fan frame, and the support is arranged on the volute.

Compared with the prior art, the utility model has the advantages of: through setting up the slider of being connected with the externally mounted basis and the support of being connected with the fan, can utilize the rotation of axis body to drive the slider and remove to make slider and support chucking fixed or release, accomplish the fixed and release on fan and the externally mounted basis, guarantee that the spiral case can have the support in the transportation, the spiral case can get into unsettled state after the complete machine installation is accomplished, avoids machine and spiral case direct contact to produce resonance abnormal sound.

Drawings

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

fig. 2 is a sectional view of the range hood according to the embodiment of the present invention;

fig. 3 is a schematic view of a fan fixing device and a fan of the range hood according to the embodiment of the present invention;

fig. 4 is a schematic view of a fan fixing device and a fan of the range hood according to the embodiment of the present invention;

fig. 5 is a schematic view of a fixing member of a fan fixing device of a range hood according to an embodiment of the present invention;

fig. 6 is an exploded view of the fan fixing device of the range hood according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "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 a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions 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, a range hood, which is a ceiling range hood, includes a fan frame 4 and a fan 1 disposed inside the fan frame 4, where the fan 1 includes a volute 11.

The inner side of the fan frame 4 is also provided with a fan fixing device for fixing the fan 1. In this embodiment, the air inlet of the fan 1 faces to the front side and/or the rear side, and the fan fixing device comprises a fixing member 2 arranged along the left-right direction of the fan frame 4, that is, the extending direction of the fixing member 2 is perpendicular to the axial direction of the fan. The fixing member 2 includes a housing 21, and both ends of the housing 21 in the length direction are respectively connected to the inner sides of the corresponding sides of the left and right sides of the fan frame 4.

Referring to fig. 5 to 6, the fixing member 2 further includes a rotating shaft 23 disposed inside the housing 21 and arranged along the length direction of the housing 21 to be rotatable about its axis. The rotating shaft 23 includes a shaft body 231 and a worm wheel 232 disposed in the middle of the shaft body 231, a first thread portion 2311 and a second thread portion 2312 are disposed in the axial direction of the shaft body 231 and on two sides of the worm wheel 232, the first thread portion 2311 is disposed on the left side of the worm wheel 232, the second thread portion 2312 is disposed on the right side of the worm wheel, the first thread portion 2311 and the second thread portion 2312 are symmetrically disposed on two sides of the worm wheel 232, and the spiral directions are opposite.

The fixed member 2 further includes a slider 24 threadedly coupled to the shaft body 231 of the rotation shaft 23 and moving in an axial direction of the shaft body 231. In this embodiment, the sliders 24 have two and are respectively screwed with the first and

second screw portions

2311 and 2312 of the shaft body 231, so that the two sliders 24 can be moved toward and away from each other in opposite directions by rotation of the shaft body 231. Because the first thread portion 2311 and the second thread portion 2312 are symmetrically arranged, the strokes of the two sliders 241 are completely consistent during the rotation of the shaft body 231.

Referring to fig. 2 to 4 and 6, the blower fixing device further includes a bracket 3 for connecting with the blower 1 and detachably connecting with the slider 24 by moving the slider 24. The bracket 3 is disposed at the rear side of the scroll casing 11, and the bracket 3 may be connected to the scroll casing 11 by welding or screws. The bracket 3 is strip-shaped, and bayonets 31 which are recessed from the end surface to the inner side (recessed from the left end and the right end to the middle) and are in clamping fit with the corresponding sliders 24 are respectively arranged at the two ends in the left-right direction.

Referring to fig. 5 to 6, the fixed member 2 further includes a rotating member 25 capable of rotating the rotating shaft 23. The rotation member 25 includes a worm 251 engaged with the worm wheel 232 and a knob 252 provided on the worm 251 for operating the worm 251. The knob 252 of the rotating member 25 is located at the bottom outside of the housing 21, and the worm 251 penetrates from bottom to top to the inside of the housing 21 to be engaged with the worm wheel 232 of the rotating shaft 23. When the knob 252 is rotated, the worm 251 rotates around its axis, so as to drive the worm wheel 232 to rotate, and further the shaft 231 can rotate.

The fixed member 2 further includes a cover plate 22 for limiting the rotation shaft 23 and the slider 24 inside the housing 21. The slider 24 includes a slider body 241 threadedly coupled to the shaft body 231 of the rotating shaft 23, and a snap joint 242 disposed on the slider body 241 and adapted to be snap-fitted to the bayonet 31 of the bracket 3. The bracket 3 is disposed on one side of the cover plate 22 away from the housing 21, and the cover plate 22 is provided with a sliding opening 221 for the bayonet joint 242 to pass through and move.

Referring to fig. 3, when the range hood needs to be used, and the volute 11 needs to be loosened from the fan fixing device, the knob 252 is rotated in the clockwise direction, the two sliders 24 move in the direction away from each other under the rotation action of the shaft 231 until the clamping heads 242 of the two sliders 24 are separated from the corresponding bayonets 31 on the bracket 3, so that the volute 11 is in a suspended state, and the volute 11 enters a free state, thereby preventing vibration from being transmitted to the fan frame 4 to cause the whole range hood to resonate when the fan 1 runs.

Referring to fig. 4, when the range hood needs to be moved and transported, and the volute 11 needs to be fixed on the fan fixing device, the knob 252 is rotated in the reverse direction, the two sliders 24 move toward the direction close to each other under the rotation action of the shaft body 231 until the clamping heads 242 of the two sliders 24 are clamped with the bayonets 31 corresponding to the brackets 3, so that the two sliders 24 clamp the brackets, the rotating shaft 23 has a self-locking function, and it can be ensured that the positions of the two sliders 24 are unchanged when the knob 252 is not rotated, and the volute 11 enters a fixed state, thereby preventing the range hood from being deformed due to vibration and other reasons during transportation to cause the performance or structural abnormality of the range hood.

Claims

1. The utility model provides a fan fixing device which characterized in that: including being used for mounting (2) of being connected with outside installation basis, mounting (2) are including can be around self axis pivoted pivot (23), be provided with on pivot (23) with pivot (23) threaded connection, can follow the axial displacement's of pivot (23) slider (24), fan fixing device still includes and realizes through the removal of slider (24) and is connected or the support (3) of dismantling with slider (24), support (3) are used for being connected with fan (1).

2. The blower mounting apparatus of claim 1, wherein: the support (3) is long-strip-shaped, the two sliding blocks (24) are arranged and can be close to each other or be far away from each other through rotation of the rotating shaft (23), so that the support (3) is clamped when the two sliding blocks (24) are close to each other, and the support (3) is loosened when the two sliding blocks (24) are far away from each other.

3. The blower mounting apparatus of claim 2, wherein: the both ends of support (3) are provided with bayonet socket (31) with slider (24) joint complex, bayonet socket (31) are sunken to the inboard by the terminal surface, slider (24) including be used for with bayonet socket (31) joint complex joint (242).

4. The blower mounting apparatus of claim 3, wherein: the rotating shaft (23) comprises a shaft body (231) and a worm wheel (232) arranged in the middle of the shaft body (231), a first threaded portion (2311) and a second threaded portion (2312) are arranged on two sides of the worm wheel (232) in the axial direction of the shaft body (231), the first threaded portion (2311) and the second threaded portion (2312) are opposite in spiral direction, and the sliding block (24) is in threaded connection with the first threaded portion (2311) and the second threaded portion (2312).

5. The blower mounting apparatus of claim 4, wherein: the fixing piece (2) further comprises a rotating piece (25) capable of driving the rotating shaft (23) to rotate, and the rotating piece (25) comprises a worm (251) meshed with the worm wheel (232) and a knob (252) arranged on the worm (251) and used for operating the worm (251) conveniently.

6. The blower mounting apparatus of claim 5, wherein: fixing member (2) are including casing (21) of being connected with outside installation basis, pivot (23) and slider (24) set up the inboard at casing (21), fixing member (2) still include with pivot (23) and slider (24) spacing apron (22) at casing (21) inboard, support (3) set up the one side of keeping away from casing (21) in apron (22), set up on apron (22) and supply bayonet joint (242) to pass and supply bayonet joint (242) sliding port (221) that remove, knob (252) of rotating piece (25) are located the outside of casing (21), worm (251) are worn to the inboard of casing (21) and are engaged with worm wheel (232) of pivot (23).

7. A range hood applying the fan fixing device as claimed in any one of claims 1 to 6, comprising a fan frame (4), wherein the fan (1) is disposed inside the fan frame (4), the fan (1) comprises a volute (11), and the range hood is characterized in that: the fan frame (4) forms the external installation foundation, the fixing piece (2) is connected with the inner side of the fan frame (4), and the support (3) is arranged on the volute (11).