CN209324696U - Circulation fan - Google Patents
Circulation fan Download PDFInfo
- Publication number
- CN209324696U CN209324696U CN201821949854.4U CN201821949854U CN209324696U CN 209324696 U CN209324696 U CN 209324696U CN 201821949854 U CN201821949854 U CN 201821949854U CN 209324696 U CN209324696 U CN 209324696U
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- mesh enclosure
- pod
- turntable
- casing
- component
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Abstract
The utility model discloses a kind of circulation fans, it include: casing, the casing includes mesh enclosure component, wherein mesh enclosure component successively includes the front mesh enclosure, pod and rear net cover of coaxial line, the pod toward air-out direction bore is gradually reduced in truncated cone-shaped and along axis, the front mesh enclosure is connected in the front end of pod, wherein one end face of front mesh enclosure has the air baffle ring extended towards pod side, after front mesh enclosure is connect with pod, a choked flow chamber is formed between the inner wall of air baffle ring and pod；Fan blade component is contained in mesh enclosure component, and including motor and the axial-flow leaf being driven by motor, the maximum outside diameter of the axial-flow leaf rotation is no more than the diameter of air baffle ring；Bracket component is used to support and connects casing, driving assembly including support, on support and be controlled by driving assembly and can the turntable that rotates of relative seat, wherein casing is connect with turntable, this circulation fan has air supplying distance farther out.
Description
Technical field
The utility model relates to a kind of circulation fans.
Background technique
Air circulation fan main function is that room air is formed convection circulation, reaches balance temperature with reasonable air flow direction
The effect of degree.Circulation fan has differences in structure compared to the most common box fan, and essentially consisting in circulation fan has more Wind Volume,
Because which employs axial-flow leafs, and at runtime axial-flow leaf rear it is radial with it is axial can be from grid or reticulated cell
Rear net cover enters the wind to keep enough air quantity, and then realizes farther away air supplying distance.Such as Granted publication is CN205744541U
Patent in disclose " a kind of circulation fan convenient for assembly " comprising front mesh enclosure and the rear net cover being mutually clamped, such structure
It is shorter that the air quantity taken out of of design fan blade directly sends out air duct by front mesh enclosure so that the wind blown out more dissipates, air-supply away from
From relatively short.
Utility model content
The purpose of the utility model is to provide a kind of circulation fans with air supplying distance farther out.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of circulation fan, comprising:
Casing, the casing include mesh enclosure component, wherein mesh enclosure component successively include the front mesh enclosure of coaxial line, pod with
And rear net cover, the pod toward air-out direction bore are gradually reduced in truncated cone-shaped and along axis, the front mesh enclosure, which is connected in, leads
The front end of cover is flowed, wherein one end face of front mesh enclosure has the air baffle ring extended towards pod side, when front mesh enclosure and water conservancy diversion
After cover connection, a choked flow chamber is formed between the inner wall of air baffle ring and pod；
Fan blade component is contained in mesh enclosure component, including motor and the axial-flow leaf being driven by motor, the axis stream wind
The maximum outside diameter of leaf rotation is no more than the diameter of air baffle ring；
Bracket component is used to support and connects casing, driving assembly including support, on support and is controlled by drive
Dynamic component and can the turntable that rotates of relative seat, wherein casing is connect with turntable.
A pod is additionally arranged by using above-mentioned technical proposal, between front mesh enclosure and rear net cover, axial-flow leaf is by motor
When driving rotation, wind enters from rear net cover to be delivered in pod, since the truncated cone-shaped of pod is arranged, along the logical of air-out direction
Road bore gradually reduces, and then improves wind speed, tentatively increase air supplying distance；Next front mesh enclosure is arranged in pod and axis stream
The outer diameter that is rotated up to of fan blade makes the air quantity taken out of by axial-flow leaf completely by by air baffle ring no more than the diameter of air baffle ring
The region enclosed improves wind speed, and the further diameter for reducing air-out passage of the setting of air baffle ring increase wind speed into
One step improves air supplying distance, while being formed by choked flow chamber between air baffle ring meeting and pod inner wall and be capable of forming brattice together and subtracting
The diverging of few wind, and can have a negative pressure choked flow is intracavitary always, external air draught effect is increased, air-supply is improved
Amount, last entire casing are set on support, also drive casing to rotate using driving assembly, realize the effect of orientation air-supply.
The utility model is further arranged to: the front mesh enclosure further includes the wind outlet panel for being arranged to grid/grid-like, institute
The middle part for stating wind outlet panel forms a convexity toward air-out direction protrusion.
By using above-mentioned technical proposal, the convexity setting of wind outlet panel enables to changing after panel for blowout
Lower blowing angle reaches some dissipating effects, increases air outlet angle, increases air-supply under the premise of guaranteeing that air supplying distance is constant
Range.
The utility model is further arranged to: the convexity is between 0.01 ~ 0.04mm.
By using above-mentioned technical proposal, certain air-supply dissipating effect is not achieved when convexity is less than 0.01mm, and works as
Convexity can reduce air supplying distance when being greater than 0.04mm, and can guarantee that air supplying distance is constant when convexity is maintained at this section
Under the premise of, expand blowing range.
The utility model is further arranged to: the outer rim of the front mesh enclosure extends to form a flange towards rear net cover side,
At least provided with a card on the flange, the card offers a spacing breach；The pod is far from rear net cover
It is provided with several mounting blocks at the inner wall of side, forms the resigning breach being inserted into for card between adjacent two mounting blocks there are spacing,
Wherein the lower edge of the mounting blocks is provided with the contact piece that super pod axis radially extends, and the contact piece can be arranged in limit
In notch.
By using above-mentioned technical proposal, when front mesh enclosure and pod are attached, card is first inserted into resigning breach,
Being rotated further by front mesh enclosure is displaced the spacing breach on card gradually to mounting blocks side, and is finally clamped with contact piece,
Connection structure is simple, and attended operation is more convenient.
The utility model is further arranged to: the front mesh enclosure is caught in pod, the lower end surface of flange contact to
In contact pin.
By using above-mentioned technical proposal, when be attached with pod, several cards are corresponding to be inserted front mesh enclosure
Enter to resigning breach rear flange and contradict to the positioning played in contact piece to front mesh enclosure in the pre-connection, then rotating front mesh enclosure will support
Contact pin is caught in spacing breach, facilitates the accuracy of positioning.
The utility model is further arranged to: the fan blade component further includes motor housing, and the motor is contained in motor housing
Interior, motor housing is connect with rear net cover, and connecting plate is wherein additionally provided on motor housing, is offered on the turntable for one end of the connection board
Block the socket set.
By using above-mentioned technical proposal, motor housing is directly connected in the socket on turntable using connecting plate and is realized entirely
The connection of casing and turntable, and then turntable drives casing to rotate, the company of casing and support when relative seat rotates
Binding structure is simple, and convenient for disassembly and assembly.
The utility model is further arranged to: the upper end of the turntable has an arcwall face, and the casing contacts at arc
It matches on face and with the outer profile of casing.
By using above-mentioned technical proposal, casing with turntable when being attached, due to arcwall face and casing outer profile phase
The positioning coincideing when the two installation may be implemented, improves installation effect.
The utility model is further arranged to: the driving component includes the turntable fixed with turntable, is installed on turntable
Synchronous motor and the first gear that is connect with synchronous motor, the turntable can relative seat rotate, wherein on support
It is additionally provided with drive block, the drive block has the second gear being meshed with first gear.
By using above-mentioned technical proposal, synchronous motor drives first gear rotation, the rotate driving second of first gear
The rotation of gear, and second gear is arranged in drive block, drive block setting remains stationary on the support, and then has driven the first tooth
Wheel rotates around second gear, and is connected to synchronous motor and turntable rotation, realizes the rotation of turntable relative seat, turntable
Driving method uses gear drive, and transmission efficiency is high.
In conclusion the advantageous effects of the utility model are as follows:
1, gradually reduce air duct bore by the way that a round table-like pod is arranged, preliminary improves wind speed, secondly before
Air baffle ring in mesh enclosure defines the air duct size of air outlet, and one choked flow chamber of internal formation is converged air quantity to middle part
It is poly-, preferably increase air supplying distance, while front mesh enclosure wind outlet panel is arranged to certain convexity, before guaranteeing that air supplying distance is constant
It puts and expands wind direction.
2, front mesh enclosure quickly realizes the connection between pod by the clamping between spacing breach and contact piece,
And then facilitate the dismounting of front mesh enclosure.
3, casing is connected by connecting plate with turntable, turntable using synchronous machine drives gear transmission mode realize with
The relative rotation of support, transmission efficiency are higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of circulation fan；
Fig. 2 is the perspective view of the explosion of bracket component；
Fig. 3 is the perspective view of the explosion of casing；
Fig. 4 is the structural schematic diagram of radiator grille；
Fig. 5 is the portion the A enlarged drawing of Fig. 4；
Fig. 6 is the top view of front mesh enclosure；
Fig. 7 is the connection schematic diagram of front mesh enclosure and pod；
Fig. 8 is the portion the B enlarged drawing of Fig. 7；
Fig. 9 is that axial-flow leaf projects to the schematic diagram on front mesh enclosure.
In figure, 10, casing；11, front mesh enclosure；111, wind outlet panel；112, air baffle ring；113, flange；114, card；
1141, spacing breach；12, pod；121, mounting blocks；1211, contact piece；122, resigning breach；123, threaded block；124, it hinders
Flow chamber；13, rear net cover；14, fan blade component；141, axial-flow leaf；142, motor housing；143, connecting plate；20, bracket component；21,
Support；22, synchronous motor；23, turntable；24, first gear；25, drive block；251, second gear；26, shaft；27, turntable；
271, socket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Refering to fig. 1, a kind of circulation fan including casing 10 and is used to support the bracket component 20 of casing 10, bracket component
20 have certain height.
Jointly refering to Fig. 2 and Fig. 3, bracket component 20 includes support 21, driving assembly and a turntable 27, turntable 27 and branch
Seat 21 connects and opposite rotation can occur for the two.Driving assembly is entirely contained in the inside of turntable 27 Yu support 21, mainly
Including turntable 23, the synchronous motor being installed on turntable 23 22 and the first gear 24 for connecting synchronous motor 22.Turntable 23 is logical
It crosses fastener and is mounted on turntable 27, synchronous motor 22 is installed on the top of turntable 23 and output shaft passes through turntable 23 and prolongs
Stretch and under, the output axis connection of first gear 24 and synchronous motor 22.A drive block 25, drive block 25 are further fixed on support 21
Side be provided with second gear 251, second gear 251 is meshed with first gear 24, while being also equipped on drive block 25
A piece shaft 26, the shaft 26 are set on support 21, and turntable 23 is attached with shaft 26, and then turntable 23 can be with around the shaft 26
Relative seat 21 rotates.
Casing 10 includes mesh enclosure component and the fan blade component 14 set on mesh enclosure component internal.Mesh enclosure component from front to back according to
Secondary includes coaxial front mesh enclosure 11, pod 1212 and rear net cover 13, and three connects two-by-two.
Fan blade component 14 is fixed in motor housing 142 including motor and the axial-flow leaf 141 being driven by motor, motor,
Motor housing 142 and rear net cover 13 are attached fixation, and rear net cover 13 is substantially hemispherical, axial-flow leaf 141 rotate Shi Fengke with
It is inhaled into from axial direction or radial through the entrance of rear net cover 13.The two sides of motor housing 142 are respectively arranged with a connecting plate 143, even
One end of fishplate bar 143 is inserted into the socket 271 opened up on turntable 27, and then realizes the company of motor housing 142 and turntable 27
It connects, for the bonding strength for improving motor housing 142 and turntable 27, connecting plate 143 passes through fastener to connection after being caught in socket 271
Plate 143 is fixed again.
Pod 12 is in a circular table shape, successively reduces along air-out direction outer rim bore.It is set in the front inner wall of pod 12
It is equipped with multiple circumferentially uniformly distributed mounting blocks 121, there are spacing to form a resigning breach 122 between adjacent two mounting blocks 121, at it
In a mounting blocks 121 be additionally provided with a threaded block 123.
Jointly refering to Fig. 4 and Fig. 5, front mesh enclosure 11 includes the wind outlet panel 111 in grid/grid-like, wind outlet panel 111
There is cricoid flange 113 at outer rim, be provided with multiple circumferentially uniformly distributed cards 114 on flange 113, card 114 offers one
Spacing breach 1141.At the same time, the end face that panel is in flange 113 out also has air baffle ring 112, and air baffle ring 112 should
It is enclosed that channel is formed by between air baffle ring 112 and flange 113.
Refering to Fig. 6, the middle part of wind outlet panel 111 is toward far from 112 extending direction side of air baffle ring protrusion and one convexity of formation
t1, convexity t1Between 0.01 ~ 0.04mm, preferred design value is 0.02mm.
Jointly refering to Fig. 7 and Fig. 8, front mesh enclosure 11 can be arranged at the front end of pod 12, and front end herein refers to out
Front end on 12 wind direction of pod.Have on the mounting blocks 121 of pod 12 towards the central axial abutting radially extended
Piece 1211, the contact piece 1211 can be arranged in the spacing breach 1141 of card 114, and front mesh enclosure 11 and pod 12 is caused to realize
Connection.Further to fix front mesh enclosure 11 and pod 12, the screw thread on front mesh enclosure 11 and pod 12 is passed through by screw
Seat 123 is threadedly coupled, and then reinforces the fixation of front mesh enclosure 11 and pod 12.
Front mesh enclosure 11 forms a choked flow chamber after connecting with pod 12 between air baffle ring 112 and the inner wall of pod 12
124, one end of the choked flow chamber 124 is closed.
Refering to figure, the size design of axial-flow leaf 141 causes the outer diameter value of the maximum external path C of its rotation process to be less than
The diameter of air baffle ring 112 causes the wind overwhelming majority blown out by axial-flow leaf 141 that can pass through from the inside of air baffle ring 112.
When this circulation fan works, external axial wind or diameter are aweather inhaled from 13 side of rear net cover by axial-flow leaf 141
Enter, by flowing through after converging behind the air duct inside pod 12 from the inside of air baffle ring 112, and eventually passes through wind outlet panel 111
Blowout.When need that casing 10 shake the head rotate when, open synchronous motor 22, synchronous motor 22 drive 24 turns of first gear
It is dynamic, since second gear 251 and support 21 are stationary state, so that first gear 24 is rotated in second gear 251, into
And realize the rotation of turntable 23, and turntable 23 and turntable 27 are fixed so that turntable 27 rotates, the rotation of turntable 27 is logical
The rotation that two connecting plates 143 drive entire casing 10 is crossed, the turning collar of first gear 24 may be implemented using synchronous motor 22
Effect of shaking the head is realized in several and positive and negative rotation control in turn.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of circulation fan characterized by comprising
Casing (10), the casing (10) includes mesh enclosure component, wherein mesh enclosure component successively include coaxial line front mesh enclosure (11),
Pod (12) and rear net cover (13), the pod (12) toward air-out direction bore are gradually contracted in truncated cone-shaped and along axis
Small, the front mesh enclosure (11) is connected in the front end of pod (12), and wherein one end face of front mesh enclosure (11) has towards water conservancy diversion
The air baffle ring (112) that (12) side extends is covered, after front mesh enclosure (11) is connect with pod (12), air baffle ring (112) and water conservancy diversion
It covers and forms a choked flow chamber (124) between the inner wall of (12)；
Fan blade component (14), is contained in mesh enclosure component, described including motor and the axial-flow leaf being driven by motor (141)
The maximum outside diameter of axial-flow leaf (141) rotation is no more than the diameter of air baffle ring (112)；
Bracket component (20) is used to support and connects casing (10), including support (21), the driving assembly being set on support (21)
And be controlled by driving assembly and can the turntable (27) that rotates of relative seat (21), wherein casing (10) and turntable (27) are even
It connects.
2. circulation fan according to claim 1, which is characterized in that the front mesh enclosure (11) further includes being arranged to grid/lattice
The middle part of the wind outlet panel (111) of palisade, the wind outlet panel (111) forms a convexity toward air-out direction protrusion.
3. circulation fan according to claim 2, which is characterized in that the convexity is between 0.01 ~ 0.04mm.
4. circulation fan according to claim 1, which is characterized in that the outer rim of the front mesh enclosure (11) is towards rear net cover (13)
Side extends to form a flange (113), at least provided with a card (114), the card (114) on the flange (113)
Offer a spacing breach (1141)；Several installations are provided at the side inner wall of the pod (12) separate rear net cover (13)
Block (121) forms the resigning breach (122) being inserted into for card (114) between adjacent two mounting blocks (121) there are spacing, wherein
The lower edge of the mounting blocks (121) is provided with the contact piece (1211) that super pod (12) axis radially extends, the contact piece
(1211) it can be arranged in spacing breach (1141).
5. circulation fan according to claim 4, which is characterized in that the front mesh enclosure (11) is caught in after pod (12),
The lower end surface of flange (113) contacts on contact piece (1211).
6. circulation fan according to claim 1, which is characterized in that the fan blade component (14) further includes motor housing (142),
The motor is contained in motor housing (142), and motor housing (142) is connect with rear net cover (13), is wherein also set on motor housing (142)
It is equipped with connecting plate (143), the socket (271) set for connecting plate (143) one end card is offered on the turntable (27).
7. circulation fan according to claim 1 or 6, which is characterized in that the upper end of the turntable (27) has an arcwall face,
The casing (10) contacts on arcwall face and matches with the outer profile of casing (10).
8. circulation fan according to claim 1, which is characterized in that the driving component includes turn fixed with turntable (27)
Disk (23), the synchronous motor (22) being installed on turntable (23) and the first gear (24) being connect with synchronous motor (22), institute
State turntable (23) can relative seat (21) rotate, be wherein additionally provided with drive block (25), the drive block on support (21)
(25) there is the second gear (251) being meshed with first gear (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949854.4U CN209324696U (en) | 2018-11-24 | 2018-11-24 | Circulation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949854.4U CN209324696U (en) | 2018-11-24 | 2018-11-24 | Circulation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324696U true CN209324696U (en) | 2019-08-30 |
Family
ID=67711289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821949854.4U Active CN209324696U (en) | 2018-11-24 | 2018-11-24 | Circulation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209324696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669270A (en) * | 2021-09-09 | 2021-11-19 | 中煤天津设计工程有限责任公司 | Low-concentration gas pressurizing fan |
-
2018
- 2018-11-24 CN CN201821949854.4U patent/CN209324696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669270A (en) * | 2021-09-09 | 2021-11-19 | 中煤天津设计工程有限责任公司 | Low-concentration gas pressurizing fan |
| CN113669270B (en) * | 2021-09-09 | 2024-05-03 | 中煤天津设计工程有限责任公司 | Low-concentration gas pressurizing fan |
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| GR01 | Patent grant |