CN108350905A - Blower-casting - Google Patents
Blower-casting Download PDFInfo
- Publication number
- CN108350905A CN108350905A CN201580084253.4A CN201580084253A CN108350905A CN 108350905 A CN108350905 A CN 108350905A CN 201580084253 A CN201580084253 A CN 201580084253A CN 108350905 A CN108350905 A CN 108350905A
- Authority
- CN
- China
- Prior art keywords
- edge
- blower
- casting
- shell portion
- lower section
- 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.)
- Granted
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The blower-casting of the present invention can be divided into the first shell portion for having air outlet on top and configure the second shell portion of side in front compared to first shell portion, the edge that bell-mouthed rounded opening is clamped is formed when by first shell portion and the combination of second shell portion, the partitioning portion of the lower section in first shell portion and second shell portion is formed in front side compared to the central point of edge, and partitioning portion of the edge from the lowest point of the edge downwards becomes level.
Description
Technical field
The present invention relates to the blower-castings for the pressure fan for constituting air conditioner.
Background technology
All the time, the composition structure by multiple metals or resin is widely used in the blower-casting of the pressure fan of air conditioner
Part welds or the integral structure of bonding and composition.It, being capable of blowing from blower-casting in the case of the one-piece type blower-casting
The opening portion of outlet is removed and placed into the fan for the inside for being accommodated in blower-casting.Therefore, when being not only the manufacture of blower-casting,
When replacing fan in maintaining operation etc. being also removed and placed into for fan is carried out from the opening portion of blow-off outlet.
Here, in one-piece type blower-casting, the form of the air after having carried out air conditioning via conduit conveying
In the case of air conditioner, sometimes due to maintenance etc. and need from blower-casting to remove fan.At this point, due to that can be removed and placed into
The place of fan is only the opening portion of blow-off outlet, so there are the following problems point：It needs after removing the conduit of connection, from blowout
Fan is taken out in the opening portion of mouth, and workability is poor.
In order to solve the above problem, it is proposed that following blower-casting：Blower-casting will be formed by fastening or being fitted into
The horn mouth of suction inlet is fixed on blower-casting and is set as to dismount.Moreover, after removing horn mouth, from the side of blower-casting
Take out fan in face.But in the case of the blower-casting, there are the following problems point：Due in order to take out fan, in fan hub
Either one or two of side of left and right of body place needs the taking-up space with the size of same size with fan or more, so equipment
Width can become larger.
Therefore, in order to solve the above problem, it is proposed that following blower-casting：By using by front face and rear face structure
At two components constitute blower-casting, and two components are set as to divide, (example are easy to make the taking-up of fan become
As referring to patent document 1).
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2000-283094 bulletins
Invention content
The subject that the invention solves
In blower-casting described in Patent Document 1, when dividing and removing the front face of blower-casting, portion is attached in front
In the case of the nearly enough spaces that cannot ensure dismounting, the problem of there are dismounting to become difficult, and workability is remarkably decreased.
The present invention makes to solve the above subject, even if not having around blower-casting its object is to obtain a kind of
In the case of enough spaces, the blower-casting of the workability reduction of maintenance etc. can be also prevented.
Means for solving the problems
Described in the blower-casting of the present invention can be divided into the first shell portion for having air outlet on top and compare
First shell portion configures the second shell portion of side in front, shape when by the first shell portion and second shell portion combination
At the edge that bell-mouthed rounded opening is clamped, the partitioning portion of the lower section in the first shell portion and the second shell portion
Central point compared to the edge is formed in front side, segmentation of the edge from the lowest point of the edge to the lower section
Part becomes level.
The effect of invention
According to the present invention, blower-casting is set as such as lower structure：The cutting part of the lower section in first shell portion and second shell portion
Point it is formed in front side compared to the central point of edge, first shell portion becomes from the partitioning portion of the lowest point of edge downwards
It is horizontal.By setting in such a way, even if can obtain a kind of there is no the case where enough spaces around blower-casting
Under, it can also prevent the blower-casting of the workability reduction of maintenance etc..
Description of the drawings
Fig. 1 is the outline overall diagram of the blower-casting of embodiments of the present invention 1.
Fig. 2 is the outline internal structure chart of the indoor unit for the blower-casting for carrying embodiments of the present invention 1.
Fig. 3 is the outline right side view of the blower-casting of embodiments of the present invention 1.
Specific implementation mode
Hereinafter, being described with reference to the embodiment of the blower-casting of the present invention.In addition, as an example of the form of attached drawing, no
Limit the present invention.In addition, in the various figures, the part for marking same reference numerals is identical or comparable part, this point exist therewith
It is common in the full text of specification.Also, in the following figures, the magnitude relationship of each member of formation sometimes with it is practical not
Together.
Embodiment 1.
[structure of blower-casting]
Fig. 1 is the outline overall diagram of the blower-casting of embodiments of the present invention 1.As shown in Fig. 1 (a) and Fig. 1 (b), wind
Fan case body 20 has front side body 1, back side body 2, right side horn mouth 3 and left side horn mouth 4.Front side body 1 configures
Before side body 2 below.Right side horn mouth 3 configures the right side of side body 1 and back side body 2 in front.Left side loudspeaker
Mouth 4 configures the left side of side body 1 and back side body 2 in front.
Side has the partitioning portion 26 combined with side body 2 below to front side body 1 above, has with after in lower side
The partitioning portion 24 that surface side shell 2 combines.In addition, front side body 1 has the arc sections 21 formed in arc-shaped in right side,
Also have the arc sections formed in arc-shaped in left side (diagram is omitted).In addition, front side body 1 is equivalent in the present invention
" second shell portion ".
Side has the partitioning portion 27 combined with front side body 1 to side body 2 above below, has with before in lower side
The partitioning portion 25 that surface side shell 1 combines.In addition, back side body 2 has the arc sections 22 formed in arc-shaped in right side,
Also have the arc sections 28 formed in arc-shaped in left side.Also, back side body 2 has the air of discharge air on top
Outlet 23.In addition, back side body 2 is equivalent to " first shell portion " in the present invention.
By front side body 1 with side body 2 combines below when, as shown in Fig. 1 (b), by the cutting part of front side body 1
Points 26 assemble with the partitioning portion 27 of side body 2 below, and by the partitioning portion of front side body 1 24 and side body 2 below
Partitioning portion 25 assembles.In this way, front side body 1 and side body 2 below are fixed and integrated.
Here, by the way that front side body 1 is combined with side body 2 below, thus in the right side of blower-casting 20, by justifying
Arc portion 21 and arc sections 22 form the edge 29 (describing in figure 3 below) of rounded opening.Similarly, in blower-casting 20
Left side is also formed edge (the diagram province of rounded opening by the arc sections of front side body (diagram is omitted) and arc sections 28
Slightly).
In the right side of blower-casting 20, it is clamped using edge 29 and fixes right side horn mouth 3.On a left side for blower-casting 20
Side is clamped using edge (diagram is omitted) and fixes left side horn mouth 4.In addition, in the present embodiment, showing to utilize edge
It is clamped and fixes bell-mouthed example, but the present invention is not limited thereto.For example, it is also possible to by loudspeaker open tightening or be embedded in edge
Portion.As long as that is, can utilize the method that can easily remove that horn mouth is made to be fixed on shell.
Fig. 2 is the outline internal structure chart of the indoor unit for the blower-casting for carrying embodiments of the present invention 1.Fig. 2 (a) is
The general principal view of indoor unit, Fig. 2 (b) are the summary side elevations of indoor unit.As shown in Fig. 2 (a) and Fig. 2 (b), indoor unit 30 has
Standby blower-casting 20, fan 5, motor 6 and heat exchanger 7.Fan 5 is housed in the inside of blower-casting 20, and is rotated by motor 6
Driving.Extraneous air is sucked from the external of indoor unit 30 by the fan 5 of the rotation driving of motor 6, heat exchange is carried out in heat exchanger 7
Afterwards, the air after having carried out air conditioning is discharged from air outlet 23.In addition, in the present embodiment, showing fan hub
Body 20 is mounted in the example in indoor unit 30, but the present invention is not limited thereto, can also be equipped on outdoor unit (diagram is omitted).
Four corners of machine 30 erect and are provided with pillar 8 indoors, beam 9 are provided between the pillar 8 of left and right, front and back
Pillar 8 between be also provided with beam 10.Blower-casting 20 is surrounded four directions by the beam 9 and beam 10 and is arranged in machine 30 indoors
Portion.
Here, the lowest point in blower-casting 20 divides blower-casting 20, forwardly side draw goes out the (diagram of front side body 1
Omit) and in the case of carrying out operation, before side body 1 can and beam 9 interfere, take out operation and become difficult.Therefore, hereinafter, explanation
The method that front side body 1 can be taken out in a manner of not interfering with beam 9.In addition, in the present embodiment, enumerate beam 9 as with
The example for the object that front side body 1 is interfered, but the present invention is not limited thereto, certainly, other member of formation may also become with
The factor that front side body 1 is interfered.
Fig. 3 is the outline right side view of the blower-casting of embodiments of the present invention 1.As shown in figure 3, by front side shell
Body 1 forms the edge 29 of rounded opening with when side body 2 combines below in the right side of blower-casting 20.Edge 29 is half
Diameter is the circle 12 of r, and at the center of circle 12, there are central points 40.The diameter r of circle 12 is bigger than the diameter of fan 5 (diagram is omitted)
Size.In addition, by the lower section from central point 40 to vertical and the point that intersects with edge 29 is set as lowest point 41.To be with central point 40
The central angle of benchmark, the amount rotated to the front side of blower-casting 20 from connection central point 40 and the line segment of lowest point 41 is set as
θ。
Point for the lower section that the partitioning portion 25 of side body 2 is composed by the partitioning portion 24 of front side body 1 and below
The central point 40 that part 42 is cut compared to circle 12 is formed in front side.Further specifically, below the vertical of central point 40
Lowest point 41 forwardly side rotation central angle θ and formed lower section partitioning portion 42.By setting in such a way, Neng Gouxiang
Divide and remove front side body 1 without interfering with beam shown in Fig. 2 (a) 9 in front side.
In addition, the line segment 15 of partitioning portion 42 formation level of the back side body 2 from lowest point 41 downwards.After that is,
Surface side shell 2 becomes following construction：Line segment 15 is set to extend to the partitioning portion 42 of lower section in the horizontal direction from lowest point 41,
And it cuts off compared to 15 superposed shadow part 16 of line segment.By setting in such a way, blower-casting is housed in taking-up
It, can be by the way that fan 5 be extracted in surface side forward in the horizontal direction, to take out fan 5 without being stuck in when the fan 5 of 20 inside
Below on the shadow part 16 of side body 2, workability improves.In addition, in the present embodiment, showing to make line segment 15 in the horizontal direction
The example of upper extension, but it includes approximate horizontal concept that level said here, which is, without closely horizontal.
Then, illustrate the formula that central angle θ meets.
Central angle θ be the straight line that links the central point 40 of the partitioning portion 42 of lower section and edge 29 with from edge 29
The angle that heart point 40 is formed to the straight line of extension below vertical.Central angle θ can be in the range of meeting formula as shown below (1)
Arbitrarily determine.In addition, t1 is to have rotated the part of central angle θ to the partitioning portion 42 and water of lower section from the forwardly side of circle 12
The distance of the intersection point of flat line segment 15.In addition, t is distance of the circle 12 to the horn mouth periphery 17 of right side horn mouth 3.
[mathematical expression 1]
According to formula (1), by determining θ in the range of making t1 less than t, so as to set and 20 periphery of blower-casting
Central angle θ that the limitation of construction matches and so that the maintainability safeguarded from front side is improved.Also, make the diameter ratio of circle 12
The diameter of fan 5 is big, and cuts off shadow part 16, and the shadow part 16 is that lower section is extended horizontally to from the lowest point 41 of circle 12
Partitioning portion 42 line segment 15 formed region.By setting in such a way, even if not having in the left and right of blower-casting 20
With fan 5 with enough spaces more than size in the case of, also can be only by fan 5 from the position that fan 5 is extracted by motor drive shaft
It has set surface side forward flatly to extract, and fan 5 will not be stuck on shadow part 16.Thereby, it is possible to realize pressure fan periphery
Small spatialization.In addition, in the present embodiment, the construction of the right side surface side of blower-casting 20 is illustrated, but blower-casting 20
The construction of left side surface side is also identical as right side surface side.
[effect of embodiment]
As described above, according to the present embodiment, blower-casting 20 can be divided into after top has air outlet
Surface side shell 2 and compared to the configuration of side body 2 below side body 1 before side in front, will side body 2 and front side below
The edge 29 that bell-mouthed rounded opening is clamped is formed when shell 1 combines, behind side body 2 and front side body 1 lower section
Partitioning portion 42 be formed in front side compared to the central point of edge 29, edge 29 from the lowest point 41 of the edge 29 downwards
The partitioning portion 42 of side becomes level.By setting in such a way, even if can obtain a kind of around blower-casting 20
In the case of not enough spaces, the blower-casting 20 of the workability reduction of maintenance etc. can be also prevented.
In addition, on the basis of the central point 40 of edge 29, lower section is formed in the angular range being calculated according to formula (1)
Partitioning portion 42.By setting in such a way, it can set what the limitation with the construction on 20 periphery of blower-casting matched
Central angle θ and obtain the maintainability safeguarded from front side raising blower-casting 20.
The explanation of reference numeral
1 front side body, side body behind 2,3 right side horn mouths, 4 left side horn mouths, 5 fans, 6 motors, 7
Heat exchanger, 8 pillars, 9 beams, 10 beams, 12 circles, 15 line segments, 16 shadow parts, 17 horn mouth peripheries, 20 blower-castings,
21 arc sections, 22 arc sections, 23 air outlets, 24 partitioning portions, 25 partitioning portions, 26 partitioning portions, 27 segmentations
Part, 28 arc sections, 29 edges, 30 indoor units, 40 central points, 41 lowest points, the partitioning portion of 42 lower sections.
Claims (2)
1. a kind of blower-casting can be divided into the first shell portion for having air outlet on top and compared to described first
Housing section configures the second shell portion of side in front, is formed and is pressed from both sides when by the first shell portion and second shell portion combination
Hold the edge of bell-mouthed rounded opening, wherein
The partitioning portion of lower section in the partitioning portion in the first shell portion and the second shell portion is compared to the edge
Central point be formed in front side,
The edge becomes level from the lowest point of the edge to the partitioning portion of the lower section.
2. blower-casting according to claim 1, wherein
On the basis of the central point of the edge, in the range of the angle, θ being calculated according to formula below (1) described in formation
The partitioning portion of lower section,
[mathematical expression 1]
Here, r is the radius of the edge, θ be the partitioning portion of the lower section and the central point of the edge are linked it is straight
Line is formed by angle with from the central point of the edge to the straight line extended below vertical, and t is the edge to the loudspeaker
The distance of the periphery of mouth.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/081016 WO2017077595A1 (en) | 2015-11-04 | 2015-11-04 | Fan casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108350905A true CN108350905A (en) | 2018-07-31 |
| CN108350905B CN108350905B (en) | 2019-11-22 |
Family
ID=58661689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580084253.4A Active CN108350905B (en) | 2015-11-04 | 2015-11-04 | Blower-casting |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6410958B2 (en) |
| CN (1) | CN108350905B (en) |
| WO (1) | WO2017077595A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778181A (en) * | 1971-03-24 | 1973-12-11 | Gorman Rupp Co | Centrifugal pump |
| JPS63208700A (en) * | 1987-02-23 | 1988-08-30 | Matsushita Electric Ind Co Ltd | Air-blower |
| CN1266480A (en) * | 1999-05-28 | 2000-09-13 | 开利公司 | Fan scroll assembly for the indoor unit of an air conditioner |
| EP1517044A1 (en) * | 2003-09-22 | 2005-03-23 | AERMEC S.p.A. | A volute casing for fans for use in fan convectors |
| CN202900782U (en) * | 2012-11-06 | 2013-04-24 | 珠海格力电器股份有限公司 | Volute fixing structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5403163A (en) * | 1990-08-20 | 1995-04-04 | Molded Products Company | Motor mount for blower housing |
| JPH0551800A (en) * | 1991-08-20 | 1993-03-02 | Daido Steel Co Ltd | Method for revealing grain boundary of steel material sample |
| JP2952308B2 (en) * | 1994-05-09 | 1999-09-27 | ゴールド工業株式会社 | Blower casing |
| US6257012B1 (en) * | 1998-06-22 | 2001-07-10 | Carrier Corporation | Fan scroll assembly for the indoor unit of an air conditioner |
| US20080286136A1 (en) * | 2007-05-17 | 2008-11-20 | Purvines Stephen H | Fan housing |
-
2015
- 2015-11-04 WO PCT/JP2015/081016 patent/WO2017077595A1/en active Application Filing
- 2015-11-04 CN CN201580084253.4A patent/CN108350905B/en active Active
- 2015-11-04 JP JP2017548557A patent/JP6410958B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778181A (en) * | 1971-03-24 | 1973-12-11 | Gorman Rupp Co | Centrifugal pump |
| JPS63208700A (en) * | 1987-02-23 | 1988-08-30 | Matsushita Electric Ind Co Ltd | Air-blower |
| CN1266480A (en) * | 1999-05-28 | 2000-09-13 | 开利公司 | Fan scroll assembly for the indoor unit of an air conditioner |
| EP1517044A1 (en) * | 2003-09-22 | 2005-03-23 | AERMEC S.p.A. | A volute casing for fans for use in fan convectors |
| CN202900782U (en) * | 2012-11-06 | 2013-04-24 | 珠海格力电器股份有限公司 | Volute fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017077595A1 (en) | 2017-05-11 |
| JP6410958B2 (en) | 2018-10-24 |
| CN108350905B (en) | 2019-11-22 |
| JPWO2017077595A1 (en) | 2018-02-22 |
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