CN108443180A - A kind of draft fan - Google Patents
A kind of draft fan Download PDFInfo
- Publication number
- CN108443180A CN108443180A CN201810326491.7A CN201810326491A CN108443180A CN 108443180 A CN108443180 A CN 108443180A CN 201810326491 A CN201810326491 A CN 201810326491A CN 108443180 A CN108443180 A CN 108443180A
- Authority
- CN
- China
- Prior art keywords
- main frame
- draft fan
- framework
- connecting plate
- fan according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000883990 Flabellum Species 0.000 claims description 21
- 238000004512 die casting Methods 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001075561 Fioria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of draft fan, including main frame and the fan component that is arranged on main frame, the main frame are spliced by several frame units.In the present invention, since main frame is spliced by several frame units, frame unit small volume can utilize the process equipments such as existing die-cast formation equipment directly to make, also allow for manufacturing corresponding molding die, the processing and manufacturing of this draft fan can effectively be facilitated, especially for larger-size draft fan, production cost can be effectively reduced, improves production efficiency, also it can effectively mitigate labor intensity, ensure product quality.
Description
Technical field
The present invention relates to a kind of draft fans.
Background technology
It often may require that in places such as warehouse, workshop, farms and use draft fan to promote air circulation, to mitigate draft fan
Weight to install, also to avoid corrosion, currently, the light materials such as main frame generally use glass fibre of these draft fans
Integral molding is made, and glass fibre can use the modes such as die casting be molded, but need in this way by the mold to match and
Equipment, and for larger-size draft fan, since its main frame is oversized, the process equipments such as existing die casting equipment can not
Meet processing request, be not easy to make corresponding mold, if still being made of die casting mode, it would be desirable to spend high set
Standby and die cost, therefore, at present for the draft fan of large-size, the mode processing and fabricating framework of generally use craft, so
And manual processing is less efficient, the labor intensity of worker is larger, it is also difficult to ensure product quality.
Invention content
To solve the above-mentioned problems, facilitating processing the purpose of the present invention is to provide a kind of, production efficiency can be improved
Draft fan.
The present invention be solve its technical problem and the technical solution adopted is that：
A kind of draft fan, including main frame and the fan component being arranged on main frame, the main frame is by several frames
Body unit is spliced.
Preferably, the shape of each frame unit is identical.
Preferably, the frame unit is die casting.
Preferably, the frame unit is glass fibre die casting.
Preferably, one is the first framework in each two adjacent frame units, and another is second framework, first framework
It is upper that there is the first connecting plate, there is the second connecting plate in second framework, first connecting plate and the second connecting plate are mutually laminated
And it is locked together by an at least locking device to which the first framework and second framework be stitched together.
Preferably, it is provided with first through hole on first connecting plate, the second through-hole, institute is provided on the second connecting plate
The locking device stated includes the lock-screw being threaded through in the first through hole and the second through-hole and is screwed onto on lock-screw
Lock nut, the head of the lock-screw and the lock nut together consolidate the first connecting plate and the second connection board clamping
It is scheduled on together.
Preferably, the first positioning surface abutted against with the side wall of the second connecting plate is provided in first framework, the
The second positioning surface abutted against with the side wall of the first connecting plate is provided in two frameworks.
Preferably, the fan component includes flabellum and the driving device for driving flabellum rotation, described
Flabellum is capable of positive be mounted on main frame to carry out air-supply or reversed be mounted on main frame to carry out air draught.
Preferably, the flabellum is detachably arranged on main frame and can be separated from main frame and forward or backwards
Be installed on main frame.
Preferably, connecting shaft is rotatably provided on the main frame, the driving device is described for driving
Connecting shaft rotates, and the flabellum is detachably arranged in by several tapered sleeve attachment devices in the connecting shaft.
The beneficial effects of the invention are as follows：In the present invention, since main frame is spliced by several frame units, frame unit
Small volume can utilize the process equipments such as existing die-cast formation equipment directly to make, also allow for manufacturing corresponding shaping mould
Tool, can effectively facilitate the processing and manufacturing of this draft fan, especially for larger-size draft fan, can effectively reduce production
Cost improves production efficiency, also can effectively mitigate labor intensity, ensures product quality.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the overall structure figure of the present invention；
Fig. 2 is that the present invention removes the exploded view after outer frame body and wind guide vane；
Fig. 3 is the exploded view of main frame in the present invention；
Fig. 4 is the partial enlarged view of part A in Fig. 3.
Specific implementation mode
Referring to figs. 1 to Fig. 4, a kind of draft fan, including main frame 10 and the fan component being arranged on main frame 10, main frame
Body 10 is spliced by several frame units 11.Preferably, the shape of each frame unit 11 is identical.In the present invention, due to main frame
Body 10 is spliced by several frame units 11,11 small volume of frame unit, can utilize existing die-cast formation equipment etc.
Process equipment directly makes, and also allows for manufacturing corresponding molding die, can effectively facilitate the processing and manufacturing of this draft fan, especially
It is that production cost can be reduced effectively for larger-size draft fan, improves production efficiency, also can effectively mitigate worker's labor
Fatigue resistance ensures product quality.
In the present invention, frame unit 11 is die casting, that is, frame unit 11 is made of die cast mode, is pressed into
Type technique is more mature, and cost is relatively low, convenient for application.Certainly, in practical application, frame unit 11, which is alternatively, uses injection molding
The moulding etc. that mode makes, it is not limited to this.
In the present embodiment, frame unit 11 is glass fibre die casting, can be effective while ensureing framework firmness
Mitigate the weight of main frame 10, and corrosion can be avoided the occurrence of, it is easy to install and use.Certainly, in practical application, frame unit
11 can also be used other common used materials such as aluminium alloy is made using die-casting process.
One is the first framework 111 in each two adjacent frame unit 11, and another is second framework 112, in the first framework 111
With the first connecting plate 1111, there is the second connecting plate 1121, the first connecting plate 1111 and the second connecting plate in second framework 112
1121 phases are laminated and are locked together by an at least locking device to splice the first framework 111 and second framework 112
Together, the firmness that the first framework 111 and second framework 112 connect can be effectively improved, it is whole then to improve main frame 10
Structural strength, prevent main frame 10 to be deformed in use in the junction of each two adjacent frame units 11, can
The quality of the present invention is effectively ensured.
It is provided with first through hole 1112 on first connecting plate 1111, the second through-hole is provided on the second connecting plate 1121
1122, locking device includes the lock-screw 121 being threaded through in first through hole 1112 and the second through-hole 1122 and is screwed onto locking
Lock nut 122 on screw 121, the head of lock-screw 121 and lock nut 122 are together by the first connecting plate 1111 and
Two connecting plates 1121 are fixedly clamped together.The locking device structure is simple, facilitates processing and dismounting, certainly, in practical application,
Rivet etc. can also be used in locking device, and other commonly use connection structures.
It is provided with the first positioning surface 1113 abutted against with the side wall of the second connecting plate 1121 in first framework 111, second
The second positioning surface 1123 abutted against with the side wall of the first connecting plate 1111 is provided in framework 112, it can be to the first framework 111
It is positioned with the assembly and connection of second framework 112, it is convenient for assembly, it helps to ensure that assembly precision, can also further increase
The structural strength and load-bearing capacity of main frame 10.
Fan component includes flabellum 21 and the driving device for driving flabellum 21 to rotate, the installation that flabellum 21 can be positive
On main frame 10 with carry out air-supply or it is reversed be mounted on main frame 10 to carry out air draught, such user can be convenient
The positive installation of selection or direction are installed to realize different functions according to actual needs, and use is more flexible and convenient, but also this
Each component of draft fan has better versatility, without being respectively that air-supply and air suction function manufacture different main frames 10, fan
Leaf 21 and corresponding assembling structure help to reduce production cost.
Flabellum 21 is detachably arranged on main frame 10 and can be separated from main frame 10 and installation forward or backwards
Onto main frame 10, in this way, in use, user also can easily dismount flabellum 21 to change the air-supply or suction of this draft fan
Wind pattern, it is easy to use.Certainly, in practical application, other non-removable mounting means peaces such as rivet can also be used in flabellum 21
On main frame 10.
In the present embodiment, connecting shaft 22 is rotatably provided on main frame 10, driving device is for being drivingly connected 22 turns of axis
Dynamic, flabellum 21 is detachably arranged in by several tapered sleeve attachment devices in connecting shaft 22, simple and reliable for structure, to machining accuracy
Requirement it is relatively low, it is easy to produce and assembly.Tapered sleeve attachment device is widely used in the art, generally includes tapered sleeve 31 and connection
The endoporus of screw 32, tapered sleeve 31 is connected with connecting shaft 22, and outer wall is then inserted in the middle part mounting hole of flabellum 21, by connecting spiral shell
The extruding of flabellum 21 is locked on tapered sleeve 31 by nail 32.Driving device in the present embodiment includes driving motor 23 and a belt transmission
Mechanism is provided with the tensioning apparatus of the belt for being tensioned the belt gear on main frame 10, can ensure of belt
Tightly, it prevents belt from loosening, when needing replacing belt, also by adjusting the tensioning apparatus belt can be kept more easy to assemble, it is convenient
It uses, in the present embodiment, which includes that the tensioner arm 251 being hubbed on main frame 10 may be provided on tensioner arm 251
A tensioning wheel 252, which is locked by positioning screw 253 on main frame 10, and the positioning screw is unclamped
253 can be adjusted tensioner arm 251, and the belt gear in the present embodiment includes a belt pulley 24, the belt pulley 24
It is mounted in connecting shaft 22 again by tapered sleeve attachment device, driving motor 23 is then rotated by driving belt driving belt pulley 24
Then it is drivingly connected axis 22 and flabellum 21 rotates.Certainly, in practical application, flabellum 21 also can be by being spirally connected, being keyed etc. other
Common connection structure is removably mounted in connecting shaft 22, it is not limited to this.
In the present embodiment, it is mounted with several mounting rails 43 on main frame 10, on the one hand facilitates installation fan component, it is another
Aspect can also improve the structural strength of main frame 10, facilitate the machine-shaping of frame unit 11, certainly, in practical application,
Can corresponding structure directly be molded on framework Unit 11 to install fan component.The invention also includes outer frame body 41, wind guide vanes
42 etc., these are all common adapter structures in the art, are not described further separately herein.
The foregoing is merely the preferred embodiments of the present invention, as long as realizing the skill of the object of the invention with essentially identical means
Art scheme belongs within protection scope of the present invention.
Claims (10)
1. a kind of draft fan includes the fan component of main frame (10) and setting on main frame (10), it is characterised in that：It is described
Main frame (10) be spliced by several frame units (11).
2. a kind of draft fan according to claim 1, it is characterised in that：The shape of each frame unit (11) is identical.
3. a kind of draft fan according to claim 1, it is characterised in that：The frame unit (11) is die casting.
4. a kind of draft fan according to claim 3, it is characterised in that：The frame unit (11) is glass fibre pressure
Casting.
5. a kind of draft fan according to claim 1, it is characterised in that：One is the in each two adjacent frame unit (11)
One framework (111), another is second framework (112), has the first connecting plate (1111) in first framework (111), the
There is the second connecting plate (1121), first connecting plate (1111) and the second connecting plate (1121) phase in two frameworks (112)
It is laminated and is locked together by an at least locking device to which the first framework (111) and second framework (112) splicing exist
Together.
6. a kind of draft fan according to claim 5, it is characterised in that：It is provided on first connecting plate (1111)
First through hole (1112), the second through-hole (1122) is provided on the second connecting plate (1121), and the locking device includes wearing
It lock-screw (121) in the first through hole (1112) and the second through-hole (1122) and is screwed onto on lock-screw (121)
Lock nut (122), the head of the lock-screw (121) and the lock nut (122) are together by the first connecting plate
(1111) it is fixedly clamped together with the second connecting plate (1121).
7. a kind of draft fan according to claim 5, it is characterised in that：Be provided in first framework (111) with
The first positioning surface (1113) that the side wall of second connecting plate (1121) abuts against, is provided in second framework (112) and first connects
The second positioning surface (1123) that the side wall of fishplate bar (1111) abuts against.
8. a kind of draft fan according to claim 1, it is characterised in that：The fan component includes flabellum (21) and uses
In the driving device for driving the flabellum (21) rotation, the flabellum (21) be capable of it is positive be mounted on main frame (10) with
It carries out air-supply or reversed is mounted on main frame (10) to carry out air draught.
9. a kind of draft fan according to claim 8, it is characterised in that：The flabellum (21) is detachably arranged in master
It can be separated from main frame (10) in framework (10) and being installed on main frame (10) forward or backwards.
10. a kind of draft fan according to claim 9, it is characterised in that：Rotatably it is arranged on the main frame (10)
Have a connecting shaft (22), the driving device for driving the connecting shaft (22) to rotate, the flabellum (21) if by
Dry tapered sleeve attachment device is detachably arranged in the connecting shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326491.7A CN108443180A (en) | 2018-04-12 | 2018-04-12 | A kind of draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326491.7A CN108443180A (en) | 2018-04-12 | 2018-04-12 | A kind of draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443180A true CN108443180A (en) | 2018-08-24 |
Family
ID=63199750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326491.7A Pending CN108443180A (en) | 2018-04-12 | 2018-04-12 | A kind of draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443180A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130017073A1 (en) * | 2011-07-12 | 2013-01-17 | Thomas Sauer | Wall ring for axial fan |
| CN203196200U (en) * | 2013-03-13 | 2013-09-18 | 赵国量 | Split mounting type exercise mat |
| CN103827506A (en) * | 2011-08-23 | 2014-05-28 | Ctb有限公司 | Plastic fan shroud and cone assembly and method |
| CN206081933U (en) * | 2016-09-28 | 2017-04-12 | 苏州国立洁净技术有限公司 | Air supply arrangement frame structure |
| CN208236703U (en) * | 2018-04-12 | 2018-12-14 | 中山威峰通风设备有限公司 | A kind of draft fan |
-
2018
- 2018-04-12 CN CN201810326491.7A patent/CN108443180A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130017073A1 (en) * | 2011-07-12 | 2013-01-17 | Thomas Sauer | Wall ring for axial fan |
| CN103827506A (en) * | 2011-08-23 | 2014-05-28 | Ctb有限公司 | Plastic fan shroud and cone assembly and method |
| CN203196200U (en) * | 2013-03-13 | 2013-09-18 | 赵国量 | Split mounting type exercise mat |
| CN206081933U (en) * | 2016-09-28 | 2017-04-12 | 苏州国立洁净技术有限公司 | Air supply arrangement frame structure |
| CN208236703U (en) * | 2018-04-12 | 2018-12-14 | 中山威峰通风设备有限公司 | A kind of draft fan |
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