CN213775839U - Fan fixing device and range hood with same - Google Patents

Abstract

The utility model discloses a fan fixing device, including being used for the mounting of being connected with outside installation basis, the mounting includes the slider, can drive the rope that the slider removed, and the mounting is still including the elastic component that keeps the slider to the opposite direction removal trend of the force application direction of rope on the slider, and fan fixing device still realizes being connected or the support of dismantling with the slider including being used for being connected with the fan, through the removal of slider. 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 utilize the slider to remove and make slider and support chucking fixed or release to 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 aims to solve the first technical problem that a fan fixing device that can be connected with the spiral case of fan, can break away from with the spiral case of fan when range hood uses is provided when range hood transports.

The utility model discloses the second technical problem that will solve is a range hood that uses this fan fixing device.

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 includes the slider, can drive the rope that the slider removed, the mounting still includes the elastic component that keeps the slider to the opposite direction removal trend of the application of force direction of rope on the slider, fan fixing device still including be used for with the fan be connected, realize through the removal of slider with the slider be connected or the support of dismantling.

In order to realize the connection and the disassembly of the sliding block and the bracket, the bracket is in a long strip shape, the sliding block is provided with two sliding blocks and can move close to or away from each other through the revolving rope, 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 away from each other.

In order to realize being connected of slider and support, the both ends of support be provided with slider joint complex bayonet socket, the bayonet socket is sunken to the inboard by the terminal surface, the slider including be used for with bayonet socket joint complex joint.

In order to set up the elastic component, the elastic component also has two, corresponds the setting with two sliders, and two elastic components have the first end that is close to each other and the second end of keeping away from each other, and the second end of every elastic component offsets with the one end that is close to the rope on the slider that corresponds respectively, the mounting is including being used for the casing of being connected with outside installation basis, rope, slider and elastic component set up the inboard of casing, the rope is arranged along the length direction of casing, the inboard of casing is formed with and is used for carrying out spacing portion to the first end of two elastic components.

Can revolute the rope in order to make the rotation piece, the mounting is still including setting up at the middle part of rope, can rotate the rotation piece of rope, rotate the piece and include the ratchet and can drive ratchet pivoted knob, the ratchet includes pivot and cover and establishes the ratchet in the pivot outside, wherein one end of pivot is connected with the middle part of rope, the other end is connected with the knob, the week portion of ratchet is formed with the tooth's socket, thereby rotate the piece still including can block in the tooth's socket, thereby carry out the pawl that locks to the rotation of ratchet.

In order to limit the ratchet wheel in the mounting seat, the shell is provided with the mounting seat for arranging the ratchet wheel and the ratchet wheel cover for limiting the ratchet wheel on the inner side of the mounting seat, the pawl is rotatably arranged on the peripheral portion of the mounting seat, the mounting seat is provided with a first shaft hole for the connecting end of the rotating shaft and the rope to penetrate through, and the ratchet wheel cover is provided with a second shaft hole for the connecting end of the rotating shaft and the knob to penetrate through.

In order to realize the connection between the rotating shaft and the rope, the connecting end of the rotating shaft and the rope is provided with a clamping groove which is sunken towards the inner side direction from the end surface and is used for the rope to be clamped in.

In order to be able to be spacing rope, slider and elastic component in the casing, the mounting is still including being used for spacing the apron in the casing with rope, slider and elastic component, the support sets up the one side of keeping away from the casing at the apron, set up on the apron and supply the bayonet joint to pass and supply the mouth that slides that the bayonet joint removed, one side that the apron is close to the casing is provided with the hollow spacing post that is used for spacing pivot, rotate the inboard that sets up at the reference column with the link of rope in the 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: the sliding block connected with the external installation foundation and the bracket connected with the fan are arranged, so that the sliding block can be driven to move by utilizing the rotation of the rope, the sliding block is clamped and fixed or released with the bracket, the fixing and the releasing of the fan and the external installation foundation are completed, the volute can be supported in the transportation process, the volute can enter a suspension state after the installation of the whole machine is completed, and the phenomenon that a machine is directly contacted with the volute to generate resonance abnormal sound is avoided; the clamping of the sliding block and the bracket is ensured through the arrangement of the elastic piece.

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 clamping state 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 release state of the range hood according to the embodiment of the present invention;

fig. 5 is an exploded 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 enlarged view of portion I of FIG. 5;

fig. 7 is an exploded view of a fixing member of a fan fixing device of a range hood according to an embodiment of the present invention;

FIG. 8 is an enlarged view of portion II of FIG. 7;

fig. 9 is an exploded view of the fan fixing device of the range hood according to the embodiment of the present invention;

fig. 10 is a schematic view of a ratchet, a pawl and a mounting seat 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.

Referring to fig. 2 to 4, a fan fixing device for fixing the fan 1 is disposed on an inner side of the fan frame 4. In the present embodiment, the air inlet of the fan 1 faces the front side and/or the rear side. The fan fixing device comprises a fixing piece 2 arranged along the left and right direction of the fan frame 4, namely the extending direction of the fixing piece 2 is vertical to the axial direction of the fan 1. The fixing member 2 includes a housing 21, and both ends of the housing 21 in the length direction (left-right direction) are connected to the inner sides of the corresponding sides of the left and right sides of the fan frame 4, respectively.

Referring to fig. 5 to 9, the fixing member 2 includes a rope 23 disposed inside the housing 21 and arranged along a length direction of the housing 21, two ends of the rope 23 are respectively provided with a slider 24 driven by the rope 23 to move, and the fan fixing device includes a bracket 3 for connecting with the fan 1 and realizing connection or detachment with the slider 24 by movement of the slider 24. The support 3 is in a long strip shape, and the two sliders 24 can move close to or away from each other through shortening or lengthening of the rope 23, so that the support 3 is clamped when the two sliders 24 are close to each other, and the support 3 is loosened when the two sliders 24 are away from each other. The bracket 3 may be connected to the volute 11 by welding or screws.

The fixing member 2 further includes an elastic member 26 for holding the sliders 24 to move in a direction opposite to the direction of the urging force of the rope 23 on the sliders 24 (in the present embodiment, the holding sliders 24 tend to move away from each other, but it is needless to say that the holding sliders 24 may also tend to approach each other by different winding manners of the rope 23), and preferably, the elastic member 26 is a spring. The elastic member 26 also has two pieces, which are provided corresponding to the two sliders 24. The two elastic members 26 have first ends close to each other and second ends far away from each other, and the second end of each elastic member 26 is abutted against one end of the corresponding slider 24 close to the rope 23. A stopper 211 for stopping the first ends of the two elastic members 26 is formed inside the housing 21. The resilient member 26 is always in compression to assist in the return of the slider 24.

Referring to fig. 9 to 10, the fixing element 2 further includes a rotating element 25 disposed in the middle of the rope 23 and capable of driving the rope 23 to move, and the rotating element 25 includes a ratchet mechanism 251 and a knob 252 capable of driving the ratchet mechanism 251 to rotate. The ratchet mechanism 251 includes a rotating shaft 2511 and a ratchet 2512 sleeved outside the rotating shaft 2511, wherein one end of the rotating shaft 2511 is connected with the middle part of the rope 23, and the other end is in threaded connection with the knob 252. A connecting end of the rotating shaft 2511 with the rope 23 is provided with a clamping groove 25111 which is recessed from the end surface to the inner side and is used for the rope 23 to be clamped. Preferably, the intermediate position of the cord 23 is exactly engaged with the catch 25111, thereby allowing the movement of the two sliders 24 to be perfectly synchronized. A tooth groove 25121 is formed in the circumferential portion of the ratchet 2512, and the rotor 25 further includes a pawl 253 that can be engaged in the tooth groove 25121 to lock the rotation of the ratchet mechanism 251. The pawl 253 can engage with teeth of the ratchet 2512, thereby limiting rotation of the ratchet 2512 in a certain direction (one-way locking).

The front portion of the housing 21 is provided with a mount 212 for disposing the ratchet mechanism 251 and a ratchet cover 213 for restraining the ratchet mechanism 251 inside the mount 212. The pawls 253 are rotatably provided on the peripheral portion of the mount 212 by the mounting shafts 27. The mounting base 212 is provided with a first shaft hole 2121 for the connection end of the rotating shaft 2511 and the rope 23 to pass through, the ratchet cover 213 is provided with a second shaft hole 2131 for the connection end of the rotating shaft 2511 and the knob 252 to pass through, and the knob 252 is positioned at the front side of the ratchet cover 213.

Referring to fig. 3 to 5, 7 and 9, the fixing member 2 further includes a cover plate 22 for restraining the rope 23, the slider 24 and the elastic member 26 within the housing 21. The slider 24 includes a slider body 241 connected to the cord 23 and a snap head 242 provided on the slider body 241 for snap-fitting with the bayonet 31 of the holder 3. The bracket 3 is arranged on one side of the cover plate 22 far away from the shell 21, a sliding opening 221 for the clamping head 242 to pass through and for the clamping head 242 to move is formed in the cover plate 22, a hollow limiting column 222 for limiting the rotating shaft 2511 is arranged on one side of the cover plate 22 close to the shell 21, and the connecting end of the rotating shaft 2511 and the rope 23 is rotatably arranged on the inner side of the limiting column 222.

Referring to fig. 2 to 4, the bracket 3 is disposed at the front side of the scroll casing 11, and the bracket 3 has bayonets 31 formed at both ends in the left-right direction, which are recessed from the end surface toward the inside (recessed from the left and right ends toward the middle), respectively, and which are snap-fitted to the snap-fit joints 242 of the slider 24.

Referring to fig. 3, when the range hood needs to be moved and transported, and the volute 11 needs to be fixed on the fan fixing device, in a certain direction, such as by turning the knob 252 in a counterclockwise direction, the catch 25111 of the shaft 2511 engages the cord 23, when rotating in the counterclockwise direction, the connection end of the rotation shaft 2511 with the rope 23 tightens and winds the rope 23, whereby the entire length of the straightened rope 23 is shortened, both ends of the rope 23 approach each other, under the drive of the rope 23, the two sliders 24 overcome the resistance of the elastic member 26 and move inwards at the same time, the knob 252 continues to be rotated until the clamping head 242 of the slider 24 is clamped with the bayonet 31 of the bracket 3, so that the two sliders 24 clamp the bracket 3, and after the knob is stopped rotating, the pawl 253 is clamped into the tooth groove 25121 to prevent the ratchet mechanism 251 from reversely rotating, the volute 11 enters a fixed state, thereby preventing the range hood from deforming the fan 1 due to vibration and other reasons in the transportation process to cause the abnormal performance or structure of the range hood.

Referring to fig. 4, when the range hood needs to be used and the volute 11 needs to be loosened from the fan fixing device, the pawl 253 is pulled, so that the pawl 253 is disengaged from the tooth groove 25121, the ratchet mechanism 251 rapidly rotates and returns in the clockwise direction under the action of the restoring force of the elastic part 26, the clamping head 242 of the slider 24 is disengaged from the bayonet 31 of the bracket 3, so that the volute 11 is suspended, and the volute 11 enters a free state, thereby avoiding the vibration transmitted to the fan frame 4 to cause the whole range hood to resonate when the fan 1 runs.

Claims (9)

1. The utility model provides a fan fixing device which characterized in that: including being used for with outside installation basis fixed part (2) of being connected, fixed part (2) include slider (24), can drive rope (23) that slider (24) removed, fixed part (2) still include keep slider (24) to rope (23) on slider (24) the opposite direction of the application of force direction move elastic component (26) of trend, fan fixing device still including be used for being connected with fan (1), realize through the removal of slider (24) with support (3) that slider (24) are connected or are dismantled.

2. The blower mounting apparatus of claim 1, wherein: the support (3) is in a long strip shape, the two sliding blocks (24) are provided with two rotating ropes (23) and can be close to or away from each other, 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 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 elastic pieces (26) are also provided with two sliding blocks (24) and are correspondingly arranged, the two elastic pieces (26) are provided with first ends close to each other and second ends far away from each other, the second end of each elastic piece (26) is respectively abutted against one end, close to the rope (23), of the corresponding sliding block (24), the fixing piece (2) comprises a shell (21) connected with an external installation base, the rope (23), the sliding blocks (24) and the elastic pieces (26) are arranged on the inner side of the shell (21), the rope (23) is arranged along the length direction of the shell (21), and a limiting portion (211) used for limiting the first ends of the two elastic pieces (26) is formed on the inner side of the shell (21).

5. The blower mounting apparatus of claim 4, wherein: the fixing piece (2) further comprises a rotating piece (25) which is arranged in the middle of the rope (23) and can rotate the rope (23), the rotating piece (25) comprises a ratchet mechanism (251) and a knob (252) which can drive the ratchet mechanism (251) to rotate, the ratchet mechanism (251) comprises a rotating shaft (2511) and a ratchet wheel (2512) which is sleeved on the outer side of the rotating shaft (2511), one end of the rotating shaft (2511) is connected with the middle of the rope (23), the other end of the rotating shaft is connected with the knob (252), tooth grooves (25121) are formed in the peripheral portion of the ratchet wheel (2512), and the rotating piece (25) further comprises a pawl (253) which can be clamped into the tooth grooves (25121) so as to lock the rotation of the ratchet mechanism (251).

6. The blower mounting apparatus of claim 5, wherein: the shell (21) is provided with an installation seat (212) for arranging the ratchet mechanism (251) and a ratchet cover (213) for limiting the ratchet mechanism (251) at the inner side of the installation seat (212), the pawl (253) is rotatably arranged on the peripheral portion of the installation seat (212), the installation seat (212) is provided with a first shaft hole (2121) for the connection end of the rotating shaft (2511) and the rope (23 to penetrate through, and the ratchet cover (213) is provided with a second shaft hole (2131) for the connection end of the rotating shaft (2511) and the knob (252) to penetrate through.

7. The blower mounting apparatus of claim 5, wherein: and a clamping groove (25111) which is recessed towards the inner side from the end surface and is used for clamping the rope (23) is formed in the connecting end of the rotating shaft (2511) and the rope (23).

8. The blower mounting apparatus of claim 7, wherein: the fixing piece (2) further comprises a cover plate (22) used for limiting the rope (23), the sliding block (24) and the elastic piece (26) in the shell (21), the support (3) is arranged on one side, far away from the shell (21), of the cover plate (22), a sliding opening (221) for the clamping connector (242) to penetrate through and for the clamping connector (242) to move is formed in the cover plate (22), a hollow limiting column (222) used for limiting the rotating shaft (2511) is arranged on one side, close to the shell (21), of the cover plate (22), and the connecting end, connected with the rope (23), of the rotating shaft (2511) is rotatably arranged on the inner side of the limiting column (222).

9. A range hood applying the fan fixing device as claimed in any one of claims 1 to 8, 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).

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