CN106949076A - Turbofan - Google Patents
Turbofan Download PDFInfo
- Publication number
- CN106949076A CN106949076A CN201610752265.6A CN201610752265A CN106949076A CN 106949076 A CN106949076 A CN 106949076A CN 201610752265 A CN201610752265 A CN 201610752265A CN 106949076 A CN106949076 A CN 106949076A
- Authority
- CN
- China
- Prior art keywords
- welding
- blade part
- turbofan
- mainboard
- blade
- 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
Links
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
- F04D25/088—Ceiling fans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
- B29C65/7814—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features in the form of inter-cooperating positioning features, e.g. tenons and mortises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The present invention provide one kind can stably supporting blade part, can easily carry out the turbofan of weld job.Turbofan includes mainboard (24), cover (26) and multiple blade parts (27), wherein, blade part (27) includes flange part (45), flange part (45) is set to be welded on mainboard (24), so that blade part (27) be engaged with mainboard (24).
Description
Technical field
The present invention relates to turbofan, more particularly to can stably supporting blade part, can easily be welded
Connect the turbofan of operation.
Background technology
A kind of turbofan known in the state of the art, it is loaded into indoor unit of air conditioner etc., by mainboard, cover
(shroud) constituted with multiple wings (piece).
As this turbofan, prior art discloses following technology：Motor is fixed on for example, having in central portion
Rotary shaft wheel hub mainboard, forming the cover and multiple blade parts of suction air guiding wall, that thermoplastic resin is respectively adopted is independent
Shaping, mainboard has the fitting portion chimeric with multiple blade parts, and cover has the fitting portion chimeric with multiple blade parts, will be many
Individual blade part is chimeric with multiple fitting portions of mainboard and cover in the mode parallel with rotary shaft, and one is formed using ultrasonic bonding
Body (for example, referring to patent document 1).
Prior art literature
Patent document
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-206084 publications
The content of the invention
The invention problem to be solved
But, in the technology of above-mentioned patent document 1, it is entrenched in making blade part in the fitting portion for being formed at mainboard
Under state, integration is formed using ultrasonic bonding, due to the protrusion of fitting portion, it is possible to because of blade part turbulization.
As long as although the problem of solving turbulent flow without forming fitting portion, when welding blade part, it is necessary to fixed
, there is the problem of productivity is decreased obviously in the means of blade part.
In addition, because of the shape of blade part, in affixed blade part, it is possible to be difficult to supporting blade part.
The present invention is exactly to complete in view of the foregoing, being capable of stably supporting blade portion its object is to provide one kind
Part, can easily carry out the turbofan of weld job.
Method for solving problem
In order to achieve the above object, it is a feature of the present invention that the turbofan includes mainboard, cover and multiple blade parts
Part, wherein above-mentioned blade part include flange part, above-mentioned flange part is welded to above-mentioned mainboard, thus above-mentioned blade part with it is upper
Mainboard is stated to be joined together.
In addition, being further characterized in that, in said structure, the above-mentioned blade part of receiving is formed with above-mentioned mainboard and upper
The accommodating recess of flange part is stated, welding rib is formed with above-mentioned accommodating recess, passes through the melting of above-mentioned welding rib, above-mentioned leaf
Chip part is joined together with above-mentioned mainboard.
In addition, being further characterized in that, in said structure, supporting blades rib is formed with above-mentioned mainboard.
In addition, being further characterized in that, in said structure, above-mentioned blade part is by making the peripheral part of 2 blade parts
Contact and formed, above-mentioned supporting blades cover the contact site of above-mentioned blade part with rib.
In addition, being further characterized in that, in said structure, the periphery that above-mentioned welding is formed at above-mentioned accommodating recess with rib is attached
Closely.
In addition, being further characterized in that, in said structure, the periphery that above-mentioned welding is formed at above-mentioned flange part with rib is attached
Closely.
In addition, being further characterized in that, in said structure, recess is formed with the inner side outer peripheral edge of above-mentioned accommodating recess.
In addition, being further characterized in that, in said structure, blade part includes Weld-supporting portion, in above-mentioned Weld-supporting
Portion has been provided projectingly welding pin, the welding holding section engaged for above-mentioned Weld-supporting portion is formed with cover, and formed
There is the welding hole inserted for above-mentioned welding pin, by the melting of above-mentioned welding pin, above-mentioned blade part and above-mentioned cover quilt
It is bonded together.
In addition, being further characterized in that, in said structure, the shape after the melting of above-mentioned welding pin is above-mentioned welding
With the thickness of pin and the boundary member of the above-mentioned welding hole shape bigger than central portion.
In addition, being further characterized in that, in said structure, around the above-mentioned welding hole of above-mentioned welding holding section
It is formed with welding guiding portions.
In addition, being further characterized in that, in said structure, recess is formed with the leading section center of pin in above-mentioned welding.
Invention effect
According to the present invention, in blade part formation flange part, so can stably supporting blade part, can be easy to
Ground carries out weld job.
Brief description of the drawings
Fig. 1 is to represent that applying the vertical of the embodiment of the embedded air conditioner of ceiling of the turbofan of the present invention cuts
Face figure.
Fig. 2 is the stereogram of the embedded air conditioner of ceiling of present embodiment.
Fig. 3 is the bottom view of turbofan.
Fig. 4 is the stereogram of turbofan.
Fig. 5 is the exploded perspective view of turbofan.
Fig. 6 is the stereogram for representing blade part and mainboard.
Fig. 7 is the exploded perspective view for representing blade part and mainboard.
Fig. 8 is the stereogram seen from the bottom surface side of blade part.
Fig. 9 is the stereogram for the insertion slot part for representing mainboard.
Figure 10 is the sectional view for the bonding part for representing blade part and mainboard.
Figure 11 is the stereogram for the welding holding section for representing cover.
Figure 12 is to represent that the welding in cover is mounted with the stereogram of the state in the Weld-supporting portion of blade part with holding section.
Figure 13 is the sectional view of state for representing to have been riveted with pin using welding.
Figure 14 is to represent that the welding in cover is mounted with another example of the state in the Weld-supporting portion of blade part with holding section
The stereogram of son.
Figure 15 is the sectional view of another example of state for representing to have been riveted with pin using welding.
Figure 16 is the sectional view for the welding example for representing welding pin.
Description of reference numerals
10 indoor units
14 air conditioner main bodys
24 mainboards
23 turbofan
26 covers
27 blade parts
40 positive pressure side blade parts
41 suction side blade parts
42nd, 48 blade body
43 base plates
44 mounting holes
45 flange parts
46 Weld-supporting portions
47 welding pins
49 engagement pins
50 slots
60 accommodating recess
61 supporting blades ribs
62 installation pins
63 welding ribs
64 recesses
70 welding holding sections
71 welding hole
72 welding guiding portions
73 recesses
80 soldering tips
81 guiding pins
Embodiment
Below, referring to the drawings, the embodiment to the turbofan of the present invention is illustrated.
Fig. 1 is the longitudinal section of the embodiment for the embedded air conditioner of ceiling for representing the turbofan using the present invention
Figure.Fig. 2 is the stereogram of the embedded air conditioner of ceiling.
As shown in figure 1, in the present embodiment, indoor unit 10 is arranged at the ceiling 11 in house and is located under the ceiling 11
In ceiling space 13 between the ceiling 12 of side.
As shown in figure 1, the indoor unit 10 includes forming the air conditioner main body 14 of the box-shaped of open underneath, in air
The outer corners of regulation owner body 14 are provided with suspender 18.Air conditioner main body 14 is to utilize and rising that suspender 18 links
Hanger bolt 15 is set with the state hung from ceiling 11.In the inner side of the air conditioner main body 14, foamed styrene is made
The state that is contacted with the inner surface with the side plate 17 of air conditioner main body 14 of heat insulating member 16 configure, prevent the knot of side plate 17
Dew.
Fan motor 21 is installed in the lower surface of the upper plate of air conditioner main body 14, in the fan motor 21
In, using the driving of fan motor 21, the rotary shaft 22 of rotation driving is set with extending downwards.In the rotary shaft 22
End portion is provided with turbofan 23, and air-supply arrangement 20 is constituted by the fan motor 21 and turbofan 23.
Turbofan 23 includes being formed as the mainboard 24 of ring-type tabular.It is formed with and prolongs downwards in the core of mainboard 24
The motor incorporating section 25 for the rounding frustum shape stretched.
Be accommodated with fan motor 21 in motor incorporating section 25, the rotary shaft 22 of fan motor 21 extend downwards and
Link with the bottom surface of motor incorporating section 25.Moreover, by rotation driving fan motor 21, making turbine wind by rotary shaft 22
Fan 23 spinning movements.
Cover (shroud) 26 is provided with the lower section of mainboard 24, cover 26 forms the ring-type that side face is arc.Mainboard 24 with
Between the inner peripheral surface of cover 26, the multiple blade parts 27 configured at predetermined intervals along the circumferential direction are integrally formed.
Hole (orifice) 28 is configured with the lower section of cover 26, hole 28 forms the ring-type that side face is arc.
Between the air-supply arrangement 20 and heat insulating member 16, in the way of around the side of air-supply arrangement 20, it is configured with and bows
Apparent time is substantially bent to form the heat exchanger 30 for quadrangle.
Heat exchanger 30 is played a role when cooling is operated as the evaporator of refrigerant, and refrigeration is used as in warming operation
The condenser of agent plays a role.Heat exchanger 30 carries out being inhaled into the room air and refrigeration inside air conditioner main body 14
The heat exchange of agent, when cooling is operated, can cool down the air in air conditioning chamber, in warming operation, sky that can be in heating chamber
Gas.
In addition, in the downside of heat exchanger 30, drain pan is configured with mode corresponding with the lower surface of heat exchanger 30
31.The drain pan 31 is used to receive the drain water produced in heat exchanger 30.In addition, the middle body in drain pan 31 is formed
The suction inlet 32 of air-supply arrangement 20.
In addition, as depicted in figs. 1 and 2, in the lower surface of air conditioner main body 14, to cover air conditioner main body 14
Open lower side mode, the decorative panel 33 of substantially quadrangle is installed.
In the middle body of decorative panel 33, the suction inlet 34 connected with the suction inlet 32 of drain pan 31 is formed with, in decoration
The part of suction inlet 34 of plate 33, is provided with the suction grid 35 of covering suction inlet 34 in a detachable manner.In suction grid
35 side of air conditioner main body 14 is provided with the filter 36 for removing the dust in air etc..
In the outside of the suction inlet 34 of decorative panel 33 and along the position on each side of decorative panel 33, it is respectively formed with air
Air after regulation passes out to the blow-off outlet 37 of interior.The pendulum (flap) of change wind direction is respectively arranged with each blow-off outlet 37
38.Using the rotation driving rotary shaft 22 of fan motor 21, rotate turbofan 23, thus, by room air from suction inlet
32nd, 34 suction, after filter 36, heat exchange is carried out by heat exchanger 30, by the air after air adjustment from blow-off outlet
37 are sent to interior.
Below, turbofan is described in more details.
Fig. 3 is the bottom view of turbofan.Fig. 4 is the stereogram of turbofan.Fig. 5 is the exploded perspective of turbofan
Figure.Fig. 6 is the stereogram for representing blade part and mainboard.Fig. 7 is the exploded perspective view for representing blade part and mainboard.Fig. 8 is
The stereogram seen from the bottom surface side of blade part.Fig. 9 is the stereogram for the insertion slot part for representing mainboard.Figure 10 is to represent leaf
The sectional view of the bonding part of chip part and mainboard.Figure 11 is the stereogram for the welding holding section for representing cover.Figure 12 is to represent
Cover welding with the stereogram of the state in the Weld-supporting portion that blade part is mounted with holding section.Figure 13 is to represent to utilize weldering
Connect the sectional view of the state riveted with pin.Figure 14 is the welding branch that the welding for representing in cover is mounted with blade part with holding section
The stereogram of another example of the state of bearing portion.Figure 15 is that another example for representing the state that has been riveted with pin using welding is cut
Face figure.Figure 16 is the sectional view for the welding example for representing welding pin.
As described above, turbofan 23 is formed by mainboard 24, cover 26 and multiple blade parts 27, individually manufacturing
After these parts, assembled, so as to form turbofan 23.
In the present embodiment, as shown in figure 5, blade part 27 includes：Positioned at the positive pressure side blade part 40 of positive pressure side；
With the suction side blade part 41 positioned at suction side.
Positive pressure side blade part 40 includes：The blade body 42 and base plate 43 in the face of positive pressure side are constituted, as shown in figure 8,
Mounting hole 44 is formed with base plate 43.It is formed with the bottom of positive pressure side blade part 40 opposite with the formation of base plate 43 side
The flange part 45 of side extension.Highly different stair-stepping Weld-supporting portions are formed with the top of positive pressure side blade part 40
46.The upper surface of each ladder in Weld-supporting portion 46 is tabular surface, as shown in fig. 6, being dashed forward in these each Weld-supporting portions 46
Go out to be provided with welding pin 47.
In addition, suction side blade part 41 includes the blade body 48 for constituting the face of suction side.In positive pressure side blade part
The inner surface of 40 blade body 42 is formed with engagement pin 49, in the inner surface shape of the blade body 48 of suction side blade part 41
Into the engaging recessed part (not shown) having for the engaging of engagement pin 49.Slot is formed with the base plate 43 of positive pressure side blade part 40
50, the engaging protrusion (not shown) engaged with slot 50 is formed in the bottom of suction side blade part 41.
Moreover, making engaging protrusion engage with slot 50, and engagement pin 49 is engaged with engaging recessed part, thus, make just
The peripheral part of pressure lateral lobe chip part 40 is contacted with the peripheral part of suction side blade part 41, so as to constitute blade part 27.
In addition, in the present embodiment, employing the knot in the formation base plate 43 of positive pressure side blade part 40 and flange part 45
Structure, but it is also possible to using the structure in the formation base plate 43 of suction side blade part 41 and flange part 45.
In addition, as shown in Figure 9 and Figure 10, forming the base plate 43 and flange part for inserting blade part 27 on mainboard 24
45 accommodating recess 60.The thickness of the depth dimensions of accommodating recess 60 and flange part 45 is substantially equally formed, and is being housed
In recess 60 in the state of weld flange portion 45, the face of mainboard 24 is flushed with the face of flange part 45.
Erect in the side of accommodating recess 60 and be provided with supporting blades rib 61, when the fixed operation for carrying out blade part 27
When, for supporting blade part 27.Supporting blades cover the bottom of suction side blade part 41 with rib 61.As described above, leaf
Chip part 27 is made up of positive pressure side blade part 40 with suction side blade part 41, forms the base plate 43 of positive pressure side blade part 40
With the boundary portion of the bottom of suction side blade part 41.Therefore, blade part 27 is covered with rib 61 by using supporting blades
Boundary portion, prevents that positive pressure side blade part 40 and suction side blade part 41 from coming off.
In addition, being provided projectingly the installation pin 62 engaged with mounting hole 44 in accommodating recess 60.
In addition, being formed about welding rib 63 in the periphery of the bottom surface of accommodating recess 60.Like this, by by welding rib
63 are formed near the periphery of the bottom surface of accommodating recess 60, are setting collecting recessed the base plate 43 and flange part 45 of blade part 27
, can be near the periphery with the bearing plate 43 of welding rib 63 and flange part 45, so being capable of stably supporting blade during portion 60
Part 27.
In turbofan particularly in recent years, in order to prevent turbulent flow while ensuring air quantity, there is blade part phase
For the inclined trend of mainboard, and blade part formation distorted shape so that mainboard is different with the setting angle of cover.Therefore,
In this turbofan, when affixed blade part, supporting blade part is extremely difficult.According to present embodiment, even in
In the case that blade part 27 forms for example this shape, the outer of the bearing plate 43 of welding rib 63 and flange part 45 can be also utilized
Near week, so being capable of stably supporting blade part 27.
In addition, welding rib 63 substantially forms ring-type, but do not formed in a part.It is intended that as described above, by
The slot 50 for being formed at bottom surface is set to engage with engaging protrusion in blade part 27, so when fusion weld is with rib 63, it is ensured that
Resin will not enter snap portions.
In addition, in the present embodiment, welding rib 63 is formed at accommodating recess 60, but be not restricted to that this.For example,
Welding rib 63 can also be formed near the periphery of the bottom surface of flange part 45.
In addition, as shown in Figure 10, recess 64 is formed with the inner side outer peripheral edge of accommodating recess 60.Moreover, by blade part
In the case that part 27 is arranged at the inner side of accommodating recess 60, the corner around the lower surface of blade part 27 can be located at recess 64.
It is intended that being flowed into by making fusion weld with the flash (burr) produced during rib 63 in recess 64, flash is set not expose
To outside.
Then, in the inner side of accommodating recess 60, installation pin 62 is made to engage with the mounting hole 44 of blade part 27, there is provided
In the state of blade part 27, welded from the dorsal part of accommodating recess 60 using ultrasonic wave etc., thus fusion weld rib 63,
Blade part 27 is secured to mainboard 24.
Now, in the formation flange part 45 of blade part 27, and in the formation supporting blades rib 61 of accommodating recess 60, so
Weld job can be carried out in the state of blade part 27 is in stabilization.
In addition, in the present embodiment, in the formation accommodating recess 60 of mainboard 24, flange part is set in the accommodating recess 60
45, but be not restricted to that this.
For example, it is also possible to form supporting blades rib 61 along the periphery of flange part 45, the supporting blades rib is being utilized
Welded in the state of 61 supporting blade parts 27.
Alternatively, it is also possible to not form supporting blades rib 61, in the state merely with the supporting blade part 27 of flange part 45
It is lower to be welded.
As shown in figure 11, in the medial surface of cover 26, the welding that the Weld-supporting portion 46 of blade part 27 is engaged engages
Portion 70 is formed in the mode protruding outside to cover 26.The inner surface configuration of welding use holding section 70 is outer with Weld-supporting portion 46
Surface configuration is roughly the same, in the state of engaging in the Weld-supporting portion 46 for making blade part 27 with welding holding section 70, energy
Enough stably supporting blade parts 27 and cover 26.
In addition, being formed with the welding hole 71 that pin 47 for welding is inserted in welding holding section 70.In welding hole 71
Around be formed with circle welding guiding portions 72.
Then, using ultrasonic bonding, melt welding pin 47, so that blade part 27 be fixed with the riveting of cover 26.
Generally, in the case where carrying out ultrasonic bonding, soldering tip (horn) is pressed into defined pressure
In the state of welding position, apply ultrasonic activation, thus melt welding position.In the case, according to soldering tip and welding
The contact surface shape at position, can provide the shape after welding position melting.
For example, in the case where the contact surface of soldering tip is shaped as dome shape, as shown in figure 13, after welding is melted with pin 47
It is shaped as dome shape.In this case, it is preferable to change front end geometry of the welding with pin 47 according to the contact surface shape of soldering tip.Example
Such as, in the case where the contact surface of soldering tip is shaped as dome shape, the leading section of welding pin 47 is formed as into the prominent circle in center
Cone-shaped.
In addition, for example, as shown in figure 16, in the case where guiding pin 81 is arranged at into the core of soldering tip 80, such as scheming
Shown in 15, welding with pin 47 melt after shape be concavity cross sectional shape semi-circular shape.In the case, such as Figure 14 institutes
Show, in leading section center of the welding with pin 47, form the recess 73 for inserting guiding pin 81.Moreover, by by soldering tip 80
Guiding pin 81 is welded after being inserted into recess 73, and soldering tip 80 can be made to be located at the center of welding pin 47, can be reliably
Soldering tip 80 is carried out relative to positioning of the welding with pin 47.
Like this, if being shaped so as to cross sectional shape semi-circular shape, welding pin 47 after the melting of welding pin 47
Thickness with the boundary member of welding hole 71 is thicker than central portion, so shearing strength and tensile strength can be improved.
Now, welding guiding portions 72 are formd, so the positioning of soldering tip 80 can be reliably carried out, can be stably
Welded.
In addition, in the present embodiment, as welding means, to being illustrated using the situation of ultrasonic bonding, removing
Outside this, the welding means such as pulse welding (heating welding) and infrared heat heating welding can also obtain same effect.
Below, the number of assembling steps of the turbofan 23 of present embodiment is illustrated.
First, the engaging protrusion of suction side blade part 41 is made to engage with the slot 50 of positive pressure side blade part 40, and
And engagement pin 49 is engaged with engaging recessed part, thus, make peripheral part and the suction side blade part 41 of positive pressure side blade part 40
Peripheral part contact, formed blade part 27.
Then, in the inner side of accommodating recess 60, installation pin 62 is engaged with the mounting hole 44 of blade part 27, setting
In the state of blade part 27, ultrasonic bonding is carried out from the dorsal part of accommodating recess 60, thus fusion weld rib 63, by leaf
Chip part 27 is secured to mainboard 24.
Now, in the formation flange part 45 of blade part 27, and in the formation supporting blades rib 61 of accommodating recess 60, so
Weld job can be carried out in the state of blade part 27 is in stabilization.In addition, in the inner side outer peripheral edge shape of accommodating recess 60
Into recess 64, so fusion weld can be made to flow into recess 64 with the flash produced during rib 63, it is prevented from flash and is exposed to outside
Portion.
Like this, it is secured to by blade part 27 in the state of mainboard 24, the face and the face of flange part 45 of mainboard 24 are big
Cause is formed with flushing, thereby, it is possible to prevent that the positive pressure side in blade part 27 from occurring air turbulence.
Then, the Weld-supporting portion 46 of blade part 27 is engaged with the welding holding section 70 of cover 26, and make blade
The welding of part 27 is protruded with pin 47 from the welding hole 71 of cover 26.
In this case, soldering tip 80 is pressed into welding pin 47 and applies ultrasonic activation, thus melt welding pin 47
Melt, blade part 27 is fixed with the riveting of cover 26.
Now, in the state of engaging in the Weld-supporting portion 46 for making blade part 27 with welding holding section 70, Neng Gouwen
Surely blade part 27 and cover 26 are supported, weld job can be easily carried out.
As described above, in the present embodiment, blade part 27 includes flange part 45, and flange part 45 is welded into mainboard 24
On, so that blade part 27 be engaged with mainboard 24.
Thus, flange part 45 is formed on blade part 27, thus can stably supporting blade part 27, can be easy
Ground carries out weld job.
In addition, in the present embodiment, forming the accommodating recess for receiving blade part 27 and flange part 45 on mainboard 24
60, in the formation welding rib 63 of accommodating recess 60, blade part 27 is engaged with mainboard 24 by the melting of welding rib 63.
Thus, formed and receive the accommodating recess 60 of blade part 27 and flange part 45, so being capable of stably supporting blade
Part 27, can easily carry out weld job.
In addition, in the present embodiment, forming supporting blades rib 61 on mainboard 24.
Thus, using supporting blades rib 61, can stably supporting blade part 27, can easily carry out welding work
Industry.
In addition, in the present embodiment, blade part 27 is by making the week of 2 positive pressure side blade parts 40 (blade part)
Edge contacts and formed with the peripheral part of suction side blade part 41 (blade part), and supporting blades cover blade part with rib 61
27 boundary portion.
Thus, the border of positive pressure side blade part 40 and suction side blade part 41 is covered with rib 61 using supporting blades
Portion, so being prevented from positive pressure side blade 40 and suction side blade part 41 comes off.
In addition, in the present embodiment, welding rib 63 is formed near the periphery of accommodating recess 60.
Thus, it is formed at by welding rib 63 near the periphery of accommodating recess 60, by the base plate 43 of blade part 27
When being arranged at accommodating recess 60 with flange part 45, can near the periphery with the bearing plate 43 of welding rib 63 and flange part 45,
So being capable of stably supporting blade part 27.
In addition, in the present embodiment, recess 64 is formed in the inner side outer peripheral edge of accommodating recess 60.
Thus, recess 64 is formed in the inner side outer peripheral edge of accommodating recess 60, so fusion weld can be made to be produced with during rib 63
Raw flash flows into recess 64, is prevented from flash and is exposed to outside.
In addition, in the present embodiment, blade part 27 includes Weld-supporting portion 46, is provided projectingly in Weld-supporting portion 46
Welding pin 47, forms the welding holding section 70 for engaging Weld-supporting portion 46, and form pin for welding on cover 26
The welding hole 71 of 47 inserts, is engaged blade part 27 with cover 26 with the melting of pin 47 by welding.
Thus, in the state of engaging in the Weld-supporting portion 46 for making blade part 27 with welding holding section 70, Neng Gouwen
Surely blade part 27 and cover 26 are supported, weld job can be easily carried out.
In addition, in the present embodiment, can be also applicable in the case where mainboard 24 is integrally formed with blade part 27.
In addition, in the present embodiment, the shape after welding is melted with pin 47 is welding pin 47 and welding hole 71
The big shape of the thickness of boundary member.
Thus, welding is thickened with the thickness of pin 47 and the boundary member of welding hole 71, so cutting can be improved
Intensity and tensile strength.
In addition, in the present embodiment, forming welding guiding around welding hole 71 of the welding with holding section 70 and using
Portions 72.
Thus, due to forming welding guiding portions 72, so the positioning of soldering tip 80 can be carried out reliably, it can carry out
Stable welding.
In addition, in the present embodiment, recess 73 is formed with the leading section center of pin 47 in welding.
Thus, welded by the way that the guiding pin 81 of soldering tip 80 is inserted into recess 73, soldering tip 80 can be made to be located at welding
With the center of pin 47, positioning of the soldering tip 80 relative to welding pin 47 can be reliably carried out.
In addition, embodiments of the present invention are illustrated with reference to the accompanying drawings, but the present invention is not limited to above-mentioned embodiment party
Formula, can be changed in the scope for not departing from invention objective.
Claims (11)
1. a kind of turbofan, it is characterised in that：
Including mainboard, cover and multiple blade parts, wherein
The blade part includes flange part,
The flange part is set to be welded to the mainboard, so that the blade part is joined together with the mainboard.
2. turbofan as claimed in claim 1, it is characterised in that：
The accommodating recess for receiving the blade part and the flange part is formed with the mainboard, in the accommodating recess shape
Into there is welding rib, by the melting of the welding rib, the blade part is joined together with the mainboard.
3. turbofan as claimed in claim 1 or 2, it is characterised in that：
Supporting blades rib is formed with the mainboard.
4. turbofan as claimed in claim 3, it is characterised in that：
The blade part is formed by contacting the peripheral part of 2 blade parts, and the supporting blades cover described with rib
The contact site of blade part.
5. the turbofan as any one of claim 2~4, it is characterised in that：
The welding is formed at rib near the periphery of the accommodating recess.
6. the turbofan as any one of claim 2~4, it is characterised in that：
The welding is formed at rib near the periphery of the flange part.
7. the turbofan as any one of claim 2~6, it is characterised in that：
Recess is formed with the inner side outer peripheral edge of the accommodating recess.
8. a kind of turbofan, it is characterised in that：
Blade part includes Weld-supporting portion, and welding pin has been provided projectingly in the Weld-supporting portion,
The welding holding section engaged for the Weld-supporting portion is formed with cover, and is formed with slotting for the welding pin
Logical welding hole, by the melting of the welding pin, the blade part is joined together with the cover.
9. turbofan as claimed in claim 8, it is characterised in that：
Shape after the melting of the welding pin, is the thickness gauge of the welding pin and the boundary member of the welding hole
The very little shape bigger than central portion.
10. turbofan as claimed in claim 8 or 9, it is characterised in that：
Welding guiding portions are formed with around the welding hole of the welding with holding section.
11. turbofan as claimed in claim 8 or 9, it is characterised in that：
In the welding recess is formed with the leading section center of pin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-001020 | 2016-01-06 | ||
| JP2016001020A JP6704190B2 (en) | 2016-01-06 | 2016-01-06 | Turbo fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949076A true CN106949076A (en) | 2017-07-14 |
| CN106949076B CN106949076B (en) | 2019-11-29 |
Family
ID=59305541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610752265.6A Active CN106949076B (en) | 2016-01-06 | 2016-08-29 | Turbofan |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6704190B2 (en) |
| CN (1) | CN106949076B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108571465A (en) * | 2017-03-13 | 2018-09-25 | 日清纺精密机器株式会社 | Turbofan |
| CN111911454A (en) * | 2019-05-10 | 2020-11-10 | 台达电子工业股份有限公司 | Fan with cooling device |
| CN114571644A (en) * | 2022-02-22 | 2022-06-03 | 浙江大学 | Combined type closed impeller with perfluor surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7467025B2 (en) * | 2018-03-26 | 2024-04-15 | 東芝キヤリア株式会社 | Blower and indoor unit of air conditioner |
| JP7122706B2 (en) * | 2019-02-20 | 2022-08-22 | パナソニックＩｐマネジメント株式会社 | Turbofans and air conditioners |
| JP2021014795A (en) * | 2019-07-10 | 2021-02-12 | パナソニックＩｐマネジメント株式会社 | Turbo fan |
| JP7394282B2 (en) * | 2019-07-10 | 2023-12-08 | パナソニックＩｐマネジメント株式会社 | turbo fan |
| JP2022051212A (en) * | 2020-09-18 | 2022-03-31 | パナソニックＩｐマネジメント株式会社 | Centrifugal fan |
| CN112701851B (en) * | 2020-12-21 | 2021-11-12 | 珠海格力电器股份有限公司 | Motor fan blade, motor, air conditioner and household appliance |
| WO2024024282A1 (en) * | 2022-07-26 | 2024-02-01 | 日立Astemo株式会社 | Impeller, impeller manufacturing method, electric water pump, and electric water pump manufacturing method |
| JP7457268B1 (en) | 2023-01-25 | 2024-03-28 | ダイキン工業株式会社 | centrifugal fan |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6704190B2 (en) | 2020-06-03 |
| CN106949076B (en) | 2019-11-29 |
| JP2017122394A (en) | 2017-07-13 |
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