CN207212761U - A kind of inlet box and blower fan - Google Patents
A kind of inlet box and blower fan Download PDFInfo
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- CN207212761U CN207212761U CN201721056314.9U CN201721056314U CN207212761U CN 207212761 U CN207212761 U CN 207212761U CN 201721056314 U CN201721056314 U CN 201721056314U CN 207212761 U CN207212761 U CN 207212761U
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Abstract
The utility model provides a kind of inlet box and blower fan, belongs to blower fan technical field.Inlet box includes case body.Case bodies top is provided with air inlet, and case body interior forms the air intake passage connected with air inlet.Case body includes the first panel and second panel being oppositely arranged, and first panel includes the first plate body and the second plate body, and the bottom of the first plate body is connected with the top of the second plate body, and the second plate body is provided with air outlet.The top of first plate body is more than the bottom of the second plate body to the distance of second panel and tilted to the distance of second panel, the first plate body with respect to the second plate body to close to the direction of second panel.After second plate body of inlet box is connected with fan body, gas can be entered smoothly in fan body from inlet box, can effectively reduce dynamic loss of energy of the gas in flow process.
Description
Technical field
Blower fan technical field is the utility model is related to, in particular to a kind of inlet box and blower fan.
Background technology
At present, inlet box can be typically set in blower fan for the blower fan for needing to access bend pipe, to improve gas flowing
Uniformity.Blower fan includes fan body and the inlet box being fixed in fan body, and inlet box is two relative side plates and two
Individual relative panel encloses the rectangular ventilation structure into top end opening, and a panel in inlet box is fixed with fan body,
The air outlet led to inside fan body is offered on the panel.Gas enters the process flowing side of fan body from inlet box
It is larger to changing so that the loss of gas flowing is larger.
Utility model content
The purpose of this utility model is to provide a kind of inlet box, enters the process of fan body from inlet box with gas
Lose larger improvement problem.
The purpose of this utility model is to provide a kind of process sent out blower fan, enter fan body from inlet box with gas
Lose larger improvement problem.
What the utility model was realized in：
Based on above-mentioned first purpose, the utility model provides a kind of inlet box, including case body；
The case bodies top is provided with air inlet, and the case body interior forms the air intake connected with the air inlet and led to
Road；
The case body includes the first panel and second panel that are oppositely arranged, the first panel include the first plate body and
Second plate body, the bottom of the first plate body are connected with the top of second plate body, and second plate body is provided with air outlet；
Second panel is arrived in the bottom that the top of first plate body is more than second plate body to the distance of second panel
Distance, relatively described second plate body of first plate body tilt to close to the direction of second panel.
Further, the case body also includes relative the first side plate and the second side plate, the first panel with it is described
Second panel is connected by first side plate with second side plate；
The distance on the top of first side plate and the top of second side plate is more than the bottom and second of the first side plate
The distance of the bottom of side plate.
Further, first side plate includes the 3rd plate body and the 4th plate body, the bottom of the 3rd plate body with it is described
The top connection of 4th plate body, the 4th plate body tilt with respect to the 3rd plate body to close to the direction of the second side plate.
Further, the top of bottom the 3rd plate body of the 3rd plate body is close to second side plate.
Further, second side plate includes the 5th plate body and the 6th plate body, bottom and the 6th plate body of the 5th plate body
Top connection, the 6th plate body with respect to the 5th plate body to close to the first side plate direction inclination.
Further, the top of bottom the 5th plate body of the 5th plate body is close to the first side plate.
Further, first side plate and second side plate are each perpendicular to the first panel；First side plate
The second panel is each perpendicular to second side plate.
Further, the inlet box also includes deflector, and the deflector is located at the bottom of the case body, described to lead
Flowing plate is in the air intake passage, so that the bottom inside of the case body forms two chambers.
Further, two chambers are respectively first chamber and second chamber, and the first chamber is more than described the
Two chambers.
Based on above-mentioned second purpose, the utility model provides a kind of blower fan, including fan body and above-mentioned inlet box, institute
The second plate body is stated to be fixedly connected with the fan body；
The fan body includes rotating shaft, and the rotating shaft is extended in the air intake passage through the air outlet, described
Fan body has inlet and outlet, and the import and the outlet, the import connect with the air outlet.
The beneficial effects of the utility model are：
The utility model provides a kind of inlet box, in use, the second plate body of inlet box will be fixed with fan body.Due to
The top of second panel is more than the bottom of the second plate body to the distance of second panel to the distance of second panel, and the first plate body is relative
Second plate body to close to second panel direction tilt so that the top half of inlet box with respect to inlet box the latter half aweather
The outside of machine body tilts, and is easy to gas to be entered from inlet box in fan body, can effectively reduce gas in flow process
Dynamic loss of energy.In addition, this structure of inlet box is also convenient for docking with the pipeline in the external world.
The utility model provides a kind of blower fan, including fan body and above-mentioned inlet box, gas can be smooth by inlet box
Enter in fan body, can effectively reduce dynamic loss of energy of the gas in flow process.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation at the first visual angle of the inlet box that the utility model embodiment 1 provides；
Fig. 2 is the structural representation at the second visual angle of the inlet box that the utility model embodiment 1 provides；
Fig. 3 is the structural representation at the first visual angle of the inlet box that the utility model embodiment 2 provides；
Fig. 4 is the structural representation at the second visual angle of the inlet box that the utility model embodiment 2 provides；
Fig. 5 is the structural representation of the deflector shown in Fig. 4；
Fig. 6 is the procedure chart of the internal gas flow for the inlet box that the utility model embodiment 2 provides；
Fig. 7 is the structural representation at the first visual angle of the blower fan that the utility model embodiment 3 provides；
Fig. 8 is the structural representation at the second visual angle of the blower fan that the utility model embodiment 3 provides.
Icon：100- inlet boxes；10- case bodies；11- air inlets；12- air intake passages；13- casings；131- first panels；
The plate bodys of 1311- first；The plate bodys of 1312- second；The side plates of 132- first；The plate bodys of 1321- the 3rd；The plate bodys of 1322- the 4th；1323-
One transition wire；133- second panels；The side plates of 134- second；The plate bodys of 1341- the 5th；The plate bodys of 1342- the 6th；The transition of 1343- second
Line；14- bottom plates；15- air outlets；16- first chambers；17- second chambers；20- deflectors；The edge of 21- first；The sides of 22- second
Portion；The edge of 23- the 3rd；The edge of 24- the 4th；30- vortexs；200- blower fans；210- fan bodies；211- housings；2111- affluxs
Device；2112- spiral cases；2113- air-out passages；2114- is exported；2115- flow-guiding channels；212- rotating shafts；213- impellers.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to which explanation, indicating position or position relationship are based on accompanying drawing in the description of the utility model embodiment
Shown orientation or position relationship, or the utility model product using when the orientation usually put or position relationship, or
The orientation or position relationship that those skilled in the art usually understand, or the utility model product using when usually put
Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint phase
To importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, art
Language " setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used
Concrete meaning of the above-mentioned term in the utility model is understood with concrete condition.
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of inlet box 100, including case body 10, the top of case body 10 are provided with
Air inlet 11, case body 10 are internally formed the air intake passage 12 connected with air inlet 11.
Case body 10 includes casing 13 and bottom plate 14, and bottom plate 14 is located at the bottom of casing 13.Casing 13 includes head and the tail successively
Connect and form the first panel 131 of closing, the first side plate 132, the side plate 134 of second panel 133 and second, first panel 131,
First side plate 132, the top edge of the side plate 134 4 of second panel 133 and second is concordant and is located in the same horizontal plane；First face
Plate 131, the first side plate 132, the lower edge of the side plate 134 4 of second panel 133 and second is concordant and is located in the same horizontal plane.
First panel 131 is oppositely arranged with second panel 133, and first panel 131 is segmental structure, and first panel 131 includes the first plate
The plate body 1312 of body 1311 and second, the bottom of the first plate body 1311 are connected with the top of the second plate body 1312, the second plate body 1312
Bottom be connected with bottom plate 14, bottom plate 14 is perpendicular to the second plate body 1312.Second panel 133 is straight panel, and second panel 133 is relative
First plate body 1311 inclines setting, the bottom of the first plate body 1311 compared with the first plate body 1311 top close to second panel 133, i.e.,
The top of first plate body 1311 is more than the bottom of the first plate body 1311 to the distance of second panel 133 to the distance of second panel 133.
First plate body, 1311 relative second plate body 1312 tilts to close to the direction of second panel 133.First plate body 1311 and the second face
The angle for being between plate 133 is less than the angle for being between second panel 133 and first panel 131.First side plate 132 and the second side
Plate 134 is oppositely arranged, and the second, opposite, side plate 134 of the first side plate 132 is straight panel, and the second, opposite, side plate 134 of the first side plate 132 inclines
The distance on tiltedly arrangement, the top of the first side plate 132 and the top of the second side plate 134 is more than the bottom and second of the first side plate 132
It is in a certain angle between the distance of the bottom of side plate 134, i.e. the first side plate 132 and the second side plate 134.First side plate 132 and second
Side plate 134 is each perpendicular to first panel 131, and the first side plate 132 and the second side plate 134 are each perpendicular to second panel 133, i.e. case sheet
Any level interface of body 10 from top to bottom is rectangle.
Wherein, the second plate body 1312 of first panel 131 is provided with the air outlet 15 connected with air intake passage 12, air outlet
15 be manhole, and the axis of air outlet 15 is perpendicular to the second plate body 1312.
In actual use, the second plate body 1312 of inlet box 100 will be fixed with fan body.Due to second panel 133
Top be more than the bottom of the second plate body 1312 to the distance of second panel 133, the first plate body to the distance of second panel 133
1311 relative second plate bodys 1312 tilt to close to the direction of second panel 133 so that the top half of inlet box 100 is entered relatively
The latter half of bellows 100 tilts to the outside of fan body, is easy to gas to be entered from inlet box 100 in fan body, can
Effectively reduce dynamic loss of energy of the gas in flow process.In addition, this structure of inlet box is also convenient for entering for inlet box 100
Docked with the pipeline in the external world in air port 11.
In the present embodiment, the second, opposite, side plate 134 of the first side plate 132 is in tilted layout so that case body 10 is up big and down small
Structure, gas ramps up after being entered from air inlet 11 in air intake passage 12, the Reynolds number of gas increase, border thickness
Degree reduces, and the final gaseous mass for flow out from inlet box 100 and VELOCITY DISTRIBUTION are uniform.
Embodiment 2
The present embodiment provides a kind of inlet box 100, and the difference with above-described embodiment is, the first side plate 132, the second side plate
134 structure is different.
As shown in figure 3, the first side plate 132 includes the 3rd plate body 1321 and the 4th plate body 1322, the bottom of the 3rd plate body 1321
End is connected with the top of the 4th plate body 1322, and the bottom of the 4th plate body 1322 is connected with bottom plate 14, the 3rd plate body 1321 and the 4th
The junction of plate body 1322 forms First Transition line 1323.Second side plate 134 includes the 5th plate body 1341 and the 6th plate body 1342, the
The bottom of five plate bodys 1341 is connected with the top of the 6th plate body 1342, and the bottom of the 6th plate body 1342 is connected with bottom plate 14, and the 5th
Plate body 1341 and the junction of the 6th plate body 1342 form the second transition wire 1343, the transition wire 1343 of First Transition line 1323 and second
It is located in the same horizontal plane.3rd plate body 1321 is oppositely arranged with the 5th plate body 1341, the 3rd plate body 1321 and the 5th plate body
1341 are obliquely installed, the bottom of the 3rd plate body 1321 compared with the 3rd plate body 1321 top close to the 5th plate body 1341, the 5th
The bottom of plate body 1341 compared with the 5th plate body 1341 top close to the 3rd plate body 1321, i.e. the top of the 3rd plate body 1321 and the
The distance on the top of five plate bodys 1341 is more than the bottom of the 3rd plate body 1321 and the distance of the bottom of the 5th plate body 1341.4th plate body
1322 are oppositely arranged with the 6th plate body 1342, and the 4th plate body 1322 is obliquely installed with the 6th plate body 1342, the 4th plate body 1322
Tilted with respect to the 3rd plate body 1321 to close to the direction of the second side plate 134, relative 5th plate body 1341 of the 6th plate body 1342 to by
The direction of nearly first side plate 132 tilts, i.e. the distance on the top of the 4th plate body 1322 and the top of the 6th plate body 1342 is more than the
The distance of the bottom of four plate body 1322 and the bottom of the 6th plate body 1342.The 3rd plate body 1321 and the 4th plate body in first side plate 132
1322 are each perpendicular to first panel 131 and second panel 133；The 5th plate body 1341 and the 6th plate body in second side plate 134
1342 are each perpendicular to first panel 131 and second panel 133.Bottom plate 14 is fallen in and the second plate body 1312 in first panel 131.
In the present embodiment, as shown in figure 4, inlet box 100 also includes deflector 20, deflector 20 is in inlet box 100.
As shown in figure 5, deflector 20 is quadrangle, deflector 20 has four edge, respectively the first edge 21, second
Edge 22, the 3rd edge 23 and the 4th edge 24, the first edge 21, the second edge 22, the 3rd edge 23 and the 4th edge 24 according to
Secondary connection forms closing.For first edge 21 parallel to the second edge 22, the first edge 21 and the 3rd edge 23 are horizontally disposed, and
Two edge 22 arrange that the 4th edge 24 is in tilted layout vertically.
As shown in figure 4, deflector 20 is arranged on the bottom of case body 10, deflector 20 is vertically arranged in air intake passage 12,
Second edge 22 and the inner surface of the first plate body 1311 of first panel 131 post and fix, the 3rd edge 23 and bottom plate 14
Inner surface posts and fixes, and the inner surface of the 4th edge 24 and second panel 133 posts and fixes.As shown in figure 3, deflector 20
After being arranged on the inner side of the bottom of case body 10, the diameter parallel of air outlet 15 is hung down in the plane where deflector 20, deflector 20
Directly in the plate body 1311 of bottom plate 14 and first, the inner side of the bottom of case body 10 forms two chambers, respectively first chamber 16 and the
Two chambers 17.First plate body 1311, deflector 20, the plate body 1322 of second panel 133 and the 4th limit first chamber 16 jointly, the
One plate body 1311, deflector 20, the plate body 1342 of second panel 133 and the 6th limit second chamber 17 jointly.Deflector 20 is close
In the second side plate 134, i.e. the distance of arbitrfary point on the second side plate 134 to deflector 20 is less than the first side plate 132 and the second side
Distance of the corresponding point of point on plate 134 to deflector 20 so that first chamber 16 is more than second chamber 17.
In the present embodiment, the 3rd plate body 1321 and the 5th plate body 1341 are in tilted layout, the 4th plate body 1322 the relative 3rd
Plate body 1321 further tilts, and 1342 relative 5th plate body 1341 of the 6th plate body further tilts, and gas enters case body 10
It will be accelerated twice after interior, the final gaseous mass for flow out from inlet box 100 and VELOCITY DISTRIBUTION are more uniform.
In the present embodiment, as shown in fig. 6, because the bottom inside of case body 10 is provided with deflector 20, and form two chambers
Room, the gas entered after cartonning body 10 will be separated in the bottom of case body 10 by deflector 20, and two will be formed in two chambers
The opposite vortex 30 in individual direction of rotation is right, and the two vortexs 30 improve to making gas be spread out in the bottom plate 14 of case body 10
The uniformity that gas flows in the air outlet 15 of case body 10.Further, since first chamber 16 is more than second chamber 17, the first chamber
The position of the vortex 30 formed in room 16 will be less than the position of the vortex 30 formed in second chamber 17, the rotation of top
Whirlpool 30 drives more gases to enter more than the axis of air outlet 15, and the vortex 30 of lower section drives more gases to enter air-out
Below 15 axis of mouth, reduce quality, the distributional difference of flowing that gas flows in the upper and lower part of air outlet 15 as far as possible, so as to enter one
Step improves gaseous mass and velocity distribution uniformity on the section of air outlet 15.
Remaining structure of the present embodiment is same as Example 1, will not be repeated here.
Embodiment 3
As shown in fig. 7, the present embodiment provides a kind of blower fan 200, including the inlet box in fan body 210 and embodiment 2
100.Fan body 210 has inlet and outlet 2114, and import connects with outlet 2114, import and the air-out in inlet box 100
Mouth 15 connects.
Specifically, fan body 210 includes housing 211, rotating shaft 212 and impeller 213.Housing 211 includes current collector 2111
With spiral case 2112, current collector 2111 is flared structure；Current collector 2111 is internally formed air-out passage 2113.Current collector 2111 is
Two, two current collectors 2111 are symmetrically set in spiral case 2112, are formed between the inwall and the outer wall of current collector 2111 of spiral case 2112
Flow-guiding channel 2115.As shown in figure 8, helically device, outlet 2114 export 2114 with leading to spiral case 2112 on spiral case 2112
Circulation road 2115 connects.
As shown in fig. 7, rotating shaft 212 is located at the center of current collector 2111, impeller 213 is fixed on the outside of rotating shaft 212, leaf
Wheel 213 is in spiral case 2112, and impeller 213 is between two current collectors 2111, the air-out passage of two current collectors 2111
2113 are connected by impeller 213 with flow-guiding channel 2115.Inlet box 100 is two, axle of two inlet boxes 100 in rotating shaft 212
The both sides of housing 211 are distributed on line direction.One end of rotating shaft 212 passes through going out in the first panel 131 of an inlet box 100
Air port 15, rotational support are extended in the air intake passage 12 of the inlet box 100 in second panel 133, the part of rotating shaft 212；Turn
The other end of axle 212 is through the rotational support of air outlet 15 in the first panel 131 of another inlet box 100 in second panel
133, the part of rotating shaft 212 is extended in the radial passage of the inlet box 100.The axis of rotating shaft 212 and the axis of air outlet 15
Overlap, inlet box 100 is vertically arranged, and the diameter parallel of water conservancy diversion rotating shaft 212 is in the plane where deflector 20.Inlet box 100
First panel 131 is fixed with spiral case 2112, radial arrangement of the air intake passage 12 along rotating shaft 212 in inlet box 100, current collector
For air-out passage 2113 in 2111 along the axial arranged of rotating shaft 212, the import of fan body 210 is the air-out of inlet box 100
Mouth 15, air intake passage 12 is connected with air-out passage 2113 by air outlet 15.
In use, rotating shaft 212 and impeller 213 rotate simultaneously, gas enters entering inside case body 10 from air inlet 11
Wind passage 12, gas is in air intake passage 12 approximately along the Radial Flow of rotating shaft 212；Gas into air intake passage 12 passes through case
The gas outlet of body 10 is entered in air-out passage 2113, and gas is by the interior axial direction approximately along rotating shaft 212 of air-out passage 2113
It is mobile；Then in the presence of the rotation of impeller 213, the gas in air-out passage 2113 enters current collector by impeller 213
In flow-guiding channel 2115 between 2111 and spiral case 2112, and finally flowed out from the outlet 2114 on spiral case 2112.Due to inlet box
100 case body 10 uses up big and down small tapered configuration, and the inside of case body 10 is provided with deflector 20 so that inlet box 100
Export gaseous mass on 2114 sections and VELOCITY DISTRIBUTION is uniform, and then make the gaseous mass and speed entered in air-out passage 2113
Degree is evenly distributed.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of inlet box, it is characterised in that including case body；
The case bodies top is provided with air inlet, and the case body interior forms the air intake passage connected with the air inlet；
The case body includes the first panel and second panel being oppositely arranged, and the first panel includes the first plate body and second
Plate body, the bottom of the first plate body are connected with the top of second plate body, and second plate body is provided with air outlet；
The top of first plate body to second panel distance be more than second plate body bottom to second panel distance,
Relatively described second plate body of first plate body tilts to close to the direction of second panel.
2. inlet box according to claim 1, it is characterised in that the case body also includes relative the first side plate and the
Two side plates, the first panel are connected with the second panel by first side plate and second side plate；
The distance on the top of first side plate and the top of second side plate is more than bottom and the second side plate of the first side plate
Bottom distance.
3. inlet box according to claim 2, it is characterised in that first side plate includes the 3rd plate body and the 4th plate
Body, the bottom of the 3rd plate body are connected with the top of the 4th plate body, and the 4th plate body is with respect to the 3rd plate body to close to second
The direction of side plate tilts.
4. inlet box according to claim 3, it is characterised in that bottom the 3rd plate body of the 3rd plate body
Top is close to second side plate.
5. inlet box according to claim 2, it is characterised in that second side plate includes the 5th plate body and the 6th plate
Body, the bottom of the 5th plate body are connected with the top of the 6th plate body, and the 6th plate body is with respect to the 5th plate body to close to the side of the first side plate
To inclination.
6. inlet box according to claim 5, it is characterised in that bottom the 5th plate body of the 5th plate body
Top is close to the first side plate.
7. inlet box according to claim 2, it is characterised in that first side plate and second side plate are each perpendicular to
The first panel；First side plate and second side plate are each perpendicular to the second panel.
8. according to the inlet box described in claim any one of 1-7, it is characterised in that the inlet box also includes deflector, institute
The bottom that deflector is located at the case body is stated, the deflector is in the air intake passage, so that the bottom of the case body
Two chambers are formed on the inside of portion.
9. inlet box according to claim 8, it is characterised in that two chambers are respectively first chamber and the second chamber
Room, the first chamber are more than the second chamber.
A kind of 10. blower fan, it is characterised in that including the inlet box described in fan body and claim any one of 1-9, described
Two plate bodys are fixedly connected with the fan body；
The fan body includes rotating shaft, and the rotating shaft is extended in the air intake passage through the air outlet, the blower fan
Body has inlet and outlet, and the import and the outlet, the import connect with the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056314.9U CN207212761U (en) | 2017-08-22 | 2017-08-22 | A kind of inlet box and blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056314.9U CN207212761U (en) | 2017-08-22 | 2017-08-22 | A kind of inlet box and blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212761U true CN207212761U (en) | 2018-04-10 |
Family
ID=61815993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056314.9U Active CN207212761U (en) | 2017-08-22 | 2017-08-22 | A kind of inlet box and blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037592A1 (en) * | 2017-08-22 | 2019-02-28 | 重庆通用工业(集团)有限责任公司 | Draught fan and air conveying equipment |
-
2017
- 2017-08-22 CN CN201721056314.9U patent/CN207212761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037592A1 (en) * | 2017-08-22 | 2019-02-28 | 重庆通用工业(集团)有限责任公司 | Draught fan and air conveying equipment |
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