CN104976849B - Air throttle device - Google Patents
Air throttle device Download PDFInfo
- Publication number
- CN104976849B CN104976849B CN201510153105.5A CN201510153105A CN104976849B CN 104976849 B CN104976849 B CN 104976849B CN 201510153105 A CN201510153105 A CN 201510153105A CN 104976849 B CN104976849 B CN 104976849B
- Authority
- CN
- China
- Prior art keywords
- gate cover
- wind gate
- convex portion
- rotary body
- rotation
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Gates (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides an air throttle device which can restrain the fastening of an air throttle cover and a rotation body due to ice even the ice is clamped between a side convex part of the air throttle cover and a side convex part of the rotation body for composing a restraining part. In the air throttle device (1), the rotation output of a rotary driving part is transferred to the air throttle cover (2) by virtue of a rotation motion converting mechanism (7) including a lead screw mechanism (70), and the air throttle cover (2) straightly moves relative to a supporting body so as to switch the opening degree of a cool air passage. The restraining part (4) is composed of the side convex part (29) of the air throttle cover (2) and the side convex part (39) of the rotation body (3). The ice is discharged through an ice discharging part (9) between the side convex part (29) of the air throttle device (29) and the side convex part (39) of the rotation body when the side convex part (29) of the air throttle device is near to the side convex part (39) of the rotation body.
Description
Technical field
The present invention relates to a kind of throttle setting for being arranged at cold air path.
Background technology
As for throttle setting from switching to the quantity delivered of cool-air feed in refrigerator, it is proposed that a kind of baffle plate for making tabular
End the aperture to switch cold air path is rotated centered on rotation axiss in the way of throttle setting (with reference to patent documentation
1).And, it is also proposed that a kind of cap with peristome on the discharge opening lid of cold air, and switched by the angle position of cap cold
The throttle setting (with reference to patent documentation 2) of the mode of the aperture of gas path.
Patent documentation 1：Japanese Unexamined Patent Publication 2007-155146 publications
Patent documentation 2：Japanese Unexamined Patent Publication 11-118317 publication
In the mode that patent documentation 1 is recorded, big space is needed in order to be opened and closed baffle plate, and in the record of patent documentation 2
In mode, be not suitable for significantly opening cold air path.Therefore present inventor works out a kind of throttle setting of following manner：
Rotary body is configured at into the rotary body configuration hole of wind gate cover, by configuring the inner peripheral surface in hole and the outer peripheral face of rotary body in rotary body
Between constitute screw mechanism make wind gate cover move linearly, so as to switch the aperture of cold air path.According to the mode, there is as follows
The advantages of：The movement of wind gate cover does not need big space, and can significantly open cold air path.As long as also, making setting
Abut to arrange limiting unit with the rotation side convex portion for being arranged at rotary body in the wind gate cover side convex portion of wind gate cover, it becomes possible to specify
The movable range of wind gate cover.
But, if arranging limiting unit in the case where the throttle setting of cold air path is configured at, when the water of condensation is in rotation
When the outer peripheral face of swivel freezes, ice can be held between wind gate cover side convex portion and rotation side convex portion and melt, and tie again afterwards
Ice.If there is such icing, following problem can be produced：Wind gate cover side convex portion is fastened with rotation side convex portion due to ice,
Cause screw mechanism inoperative.
The content of the invention
In view of problem above, though the problem of the present invention be to provide a kind of ice be clamped in the portion of being construed as limiting wind gate cover side it is convex
Between portion and rotation side convex portion, it is also possible to suppress wind gate cover that the throttle setting of fastening occurs due to ice with rotary body.
In order to solve the problem, throttle setting involved in the present invention has：Supporting mass；Rotary driving part, the rotation
Turn drive division and be supported on the supporting mass；Rotary body, the rotary body is driven and rotated by the rotary driving part；Wind gate cover,
The wind gate cover is included in the rotary body configuration hole that inner side is configured with the rotary body, and the wind gate cover switches opening for cold air path
Degree；Rotation direct acting shifter, the rotation direct acting shifter includes screw mechanism, and the screw mechanism is in the rotary body
Outer peripheral face and the inner peripheral surface in rotary body configuration hole between constitute, the rotation direct acting shifter is by the rotary body
Spinning movement is converted to the direct acting action of the central axial direction along the rotary body of the wind gate cover；Limiting unit, the limit
Portion processed includes wind gate cover side convex portion and rotation side convex portion, and wind gate cover side convex portion is in the wind gate cover than the rotary body
The inner circumferential in configuration hole is projected towards radially inner side, and rotation side convex portion is prominent from the rotary body to radial outside and can
From abutting with wind gate cover side convex portion around the side of the central axis；And ice discharging portion, the ice discharging portion includes wind gate cover
At least one party in side ice discharging portion and rotation side ice discharging portion, connects in wind gate cover side convex portion with rotation side convex portion
When near, the wind gate cover side ice discharging portion is in the wind gate cover relative to wind gate cover side convex portion around the central axis
The end of side makes ice discharge between wind gate cover side convex portion and rotation side convex portion by the position of radial outside,
When wind gate cover side convex portion is close with rotation side convex portion, phase of the rotation side ice discharging portion in the rotary body
For rotation side convex portion the opposite side around the central axis end by the position of radially inner side, make ice from described
Discharge between wind gate cover side convex portion and rotation side convex portion.
In the present invention, the rotation output of rotary driving part is passed by the rotation direct acting shifter including screw mechanism
Wind gate cover is handed to, makes wind gate cover move linearly relative to supporting mass, the aperture of cold air path is switched by wind gate cover.Also, make
The wind gate cover side convex portion for being arranged at wind gate cover abuts to be construed as limiting portion with the rotation side convex portion for being arranged at rotary body, so as to advise
The movable range of subduing the wind syndrome door closure.If here, condensation water rotary body outer peripheral face freeze, wind gate cover side convex portion with rotation
When side convex portion is close, ice can be clamped between wind gate cover side convex portion and rotation side convex portion, but the ice can be from wind gate cover
Discharge through ice discharging portion between side convex portion and rotation side convex portion.Therefore, it is possible to suppress wind gate cover to produce due to ice with rotary body
Raw fastening.
In the present invention, it is preferred to the ice discharging portion includes the wind gate cover side ice discharging portion and the rotation side ice discharging portion
Both.According to the structure, ice is easily set to discharge between wind gate cover side convex portion and rotation side convex portion.
In the present invention, it is preferred to be formed with wind gate cover side projecting strip part in the wind gate cover, wind gate cover side projecting strip part exists
The end side of the central axial direction extends along the opening edge that the rotary body configures hole, and wind gate cover side convex portion is from described
Wind gate cover side projecting strip part is prominent to radially inner side, and the wind gate cover side ice discharging portion includes being formed from wind gate cover side projecting strip part
Breach constitute wind gate cover side ice discharging mouth.According to the structure, ice is easily made from wind gate cover side convex portion and rotation side convex portion
Between through wind gate cover side ice discharging portion discharge.
In the present invention, it is preferred to circumference of the circumferential size of the radial outside of the wind gate cover side ice discharging mouth than radially inner side
Size is big.According to the structure, easily make ice between wind gate cover side convex portion and rotation side convex portion through wind gate cover side ice discharging
Discharge in portion.
In the present invention, it is preferred to the end of the side of wind gate cover side convex portion includes：Wind gate cover side abutting part, institute
Stating wind gate cover side abutting part can abut with rotation side convex portion；And wind gate cover lateral incline, the wind gate cover inclination
Inclined-plane is leaning on the position of radial outside than wind gate cover side abutting part towards radial outside.According to the structure, due to air door
Lid side convex portion is less with the area that abuts of rotation side convex portion, therefore ice is difficult to be clamped in wind gate cover side convex portion and to rotate side convex
Between portion.
In the present invention, it is preferred to the wind gate cover lateral incline constitutes the opposite side with the wind gate cover side ice discharging mouth
The continuous inclined plane in face.According to the structure, easily make ice between wind gate cover side convex portion and rotation side convex portion through wind
Discharge in door closure side ice discharging portion.
In the present invention, it is preferred to radial width size of the radial dimension of wind gate cover side abutting part than the inclined plane
It is little.According to the structure, because wind gate cover side convex portion is less with the area that rotation side convex portion abuts, therefore ice is difficult to be clamped in
Between wind gate cover side convex portion and rotation side convex portion.
In the present invention, it is preferred to the rotary body that the outer rim for being formed with the end face along the end side in the rotary body extends
Side projecting strip part, rotation side convex portion is prominent to radial outside from rotary body side projecting strip part, rotation side ice discharging
Portion includes the rotation side ice discharging mouth that the breach for being formed from rotary body side projecting strip part is constituted.According to the structure, easily
Ice is set to discharge through rotation side ice discharging portion between wind gate cover side convex portion and rotation side convex portion.
In the present invention, it is preferred to circumference of the circumferential size of the radially inner side of the rotation side ice discharging mouth than radial outside
Size is big.According to the structure, easily make ice between wind gate cover side convex portion and rotation side convex portion through rotation side ice discharging
Discharge in portion.
In the present invention, it is preferred to the throttle setting has a drainage path, the drainage path is made by the supporting mass
It is arranged at the water condensed during the cold air path to flow out downwards from rotary body configuration hole.According to the structure, even if
Condensation water immersion rotary body outer peripheral face and rotary body configuration hole inner peripheral surface between, dew will also pass through drainage path from
Rotary body configuration is flowed out downwards in hole.Therefore, it is possible to suppress dew rotary body configure hole inner peripheral surface and rotary body it
Between freeze such that it is able to suppress wind gate cover to fasten due to icing with rotary body.Therefore, even if being made by screw mechanism adopting
In the case of the mode of the wind gate cover rectilinear movement of the aperture of switching cold air path, it is also possible to suppress to be produced due to condensation water freezing
Vividly make bad.
In the present invention, it is preferred to be provided with thin film heater in the wind gate cover.According to the structure, condensation can be suppressed
Water freezing.
In the present invention, following structure can be adopted：The screw mechanism has projecting strip part and groove, and the projecting strip part is in institute
The outer peripheral face for stating rotary body extends in the shape of a spiral, and the groove extends in the shape of a spiral in the inner peripheral surface that the rotary body configures hole, institute
State the inner side that projecting strip part is embedded in the groove.
In the present invention, the structure that fan unit is connected with the supporting mass can be adopted.
According to the present invention, when wind gate cover side convex portion is close with rotation side convex portion, ice can be clamped in wind gate cover side convex portion
Between rotary body convex portion, but the ice can be discharged between wind gate cover side convex portion and rotation side convex portion through ice discharging portion.Cause
This, can suppress wind gate cover that fastening is produced due to ice with rotary body.
Description of the drawings
Fig. 1 (a) and Fig. 1 (b) are the axonometric charts of the throttle setting involved by embodiments of the present invention 1.
Fig. 2 (a) to Fig. 2 (c) is the exploded perspective view of the throttle setting involved by embodiments of the present invention 1.
Fig. 3 (a) and Fig. 3 (b) are the explanations of the rotary driving part of throttle setting involved by embodiments of the present invention 1 etc.
Figure.
Fig. 4 (a) to Fig. 4 (d) is the explanatory diagram of the wind gate cover of the throttle setting involved by embodiments of the present invention 1 etc..
Fig. 5 (a) and Fig. 5 (b) are the explanatory diagrams of the limiting unit of throttle setting involved by embodiments of the present invention 1 etc..
Fig. 6 (a) and Fig. 6 (b) are the explanatory diagrams in the ice discharging portion of the throttle setting involved by embodiments of the present invention 2.
Fig. 7 (a) and Fig. 7 (b) are the explanatory diagrams in the ice discharging portion of the throttle setting involved by embodiments of the present invention 3.
(symbol description)
1 throttle setting；
2 wind gate covers；
3 rotary bodies；
4 limiting units；
5 rotary driving parts；
6 supporting masses；
7 rotation direct acting shifters；
8 drainage paths；
9 ice discharging portions；
9a wind gate covers side ice discharging portion；
9b rotates side ice discharging portion；
20 rotary bodies configure hole；
27 grooves；
28 breach；
29 wind gate cover sides convex portion；
37 projecting strip parts；
39 rotation side convex portions；
63 sealing plates；
70 screw mechanisms；
100 cold air paths；
101 fan units；
200 rotary bodies configure the inner peripheral surface in hole；
231 wind gate cover side projecting strip parts；
280 taper surfaces；
292 wind gate cover side abutting parts；
293 wind gate cover lateral inclines；
295 inclined planes；
299 wind gate cover side ice discharging mouths；
The outer peripheral face of 310 rotary bodies；
311 rotary body side projecting strip parts；
399 rotation side ice discharging mouths.
Specific embodiment
The embodiment of the throttle setting of the application present invention is illustrated referring to the drawings.In the following description, exist
In the direction (central axis L directions) that the central axis L of rotary body 3 extends, wind gate cover 2 is made into cold air path 100 in open shape
The side of state makes wind gate cover 2 side of the cold air path 100 in closed mode to be said as opposite side L2 as side L1
It is bright.
[embodiment 1]
(overall structure)
Fig. 1 (a) and Fig. 1 (b) are the axonometric charts of the throttle setting 1 involved by embodiments of the present invention 1, and Fig. 1 (a) is wind
The axonometric chart of the state in the closed position of door closure 2, Fig. 1 (b) is axonometric chart of the wind gate cover 2 in the state of release position.Fig. 2
A (), to the exploded perspective view that Fig. 2 (c) is throttle setting 1 involved by embodiments of the present invention 1, Fig. 2 (a) is by wind gate cover 2
The exploded perspective view of the state unloaded from supporting mass 6, Fig. 2 (b) be the state that unloads fan unit 101 from supporting mass 6 point
Solution axonometric chart, Fig. 2 (c) is the exploded perspective view of the state for unloading wind gate cover 2 and fan unit 101 from supporting mass 6.Fig. 3
A () and Fig. 3 (b) are the explanatory diagrams of the grade of rotary driving part 5 of the throttle setting 1 involved by embodiments of the present invention 1, Fig. 3 (a)
It is the exploded perspective view of the state for unloading rotary body 3 from rotary driving part 5, Fig. 3 (b) is the exploded perspective of rotary driving part 5
Figure.
As shown in Fig. 1 (a), Fig. 1 (b), Fig. 2 (a), Fig. 2 (b) and Fig. 2 (c), the throttle setting 1 of the manner is in cooling
The dress of the aperture of one end switching cold air path of the cold air such as conduit of the cold air flow such as air path 100 (being represented with double dot dash line)
Put.Throttle setting 1 has supporting mass 6, the rotary driving part that the supporting mass 6 rotates to driving rotating bodies 3 around its center axis L
5 etc. are supported.Also, throttle setting 1 has wind gate cover 2, the wind gate cover 2 is included in the rotation that inner side is configured with rotary body 3
Swivel configuration hole 20, constituting between the rotary body configuration hole 20 of rotary body 3 and wind gate cover 2 has screw mechanism 70.With regard to rotation
The structure of body 3, rotary driving part 5, wind gate cover 2 and screw mechanism 70 is described later.
(structure of fan unit 101)
In the throttle setting 1 of the manner, fan unit 101 is integrally installed on supporting mass 6.Fan unit 101 includes peace
The framework 102 of the end loaded on cold air path 100, the axial blade 103 to rotate is supported by framework 102 and axle stream is made
The fan-motor unit 107 of the rotation of blade 103.Fan-motor unit 107 includes columnar motor shell 108 and is accommodated in horse
Up to the fan motor (omitting diagram) of the inside of housing 108.The opening 104 of circle, the opening 104 are formed with framework 102
In the state connected with the inside of cold air path 100.Framework 102 includes the housing 105 of the opening 104 for being formed with circle and from outer
Four scaffolds 106 that frame 105 is extended radially to the center of opening 104, fan-motor unit 107 is supported by framework
106 are supported on the central Chong Die position in central axis L directions with opening 104.Each scaffold 106 is included from housing 105
The horizontal stroke that the vertical framework 106a extended to the side L1 of central axis L and the extreme ends from vertical framework 106a extend to radially inner side
Framework 106b, crossing frame 106b is connected with the outer peripheral face of fan-motor unit 107.Axial blade 103 is in fan-motor unit 107
The end of opposite side L2 sides in central axis L directions be installed as rotating, axial blade 103 is according to being accommodated in fan motor
The rotation of the fan motor in unit 107 is exported and rotated around central axis L.
(structure of supporting mass 6)
As shown in Fig. 2 (a) to Fig. 2 (c) and Fig. 3 (a) and Fig. 3 (b), supporting mass 6 has housing 61 and four supporting frames
Frame 62, the housing 61 has with the housing 105 of framework 102 in the Chong Die shape in central axis L directions, four supporting frames
After side L1 of the frame 62 from housing 61 to central axis L extends, to radially inner side bending.
Also, supporting mass 6 has the circular sealing plate 63 of the terminal part of four scaffolds 62 of connection and is formed at
The cylindric motor maintaining part 64 of the central part of sealing plate 63.Also, supporting mass 6 is with the diagonal position from housing 61 in
Two axis of guides 65 and the reinforced frame 66 of the connection axis of guide 65 and sealing plate 63 that the side L1 of heart axis L extends.In housing
61 central authorities are formed with the opening 69 of circle, and motor maintaining part 64 is located at central Chong Die with opening 69 in central axis L directions
Position.
If making fan unit 101 Chong Die with the opposite side L2 of the central axis L of such supporting mass 6 for constituting, supporting frame
Frame 106 is Chong Die with the opposite side L2 of the central axis L of scaffold 62, and housing 61 is overlap with framework 102, and be open 69 with open
Mouth 104 is overlapped.If making housing 61 be connected with framework 102 by screw (not shown) in this condition, supporting mass 6 and fan list
Unit 101 is integrally formed.Therefore, opening 69 is connected in the opening 104 by fan unit 101 with the inside of cold air path 100
State.
(structure of rotary driving part 5)
As shown in Fig. 3 (a) and Fig. 3 (b), rotary driving part 5 has the inner side of the motor maintaining part 64 for being held in supporting mass 6
Motor 59 and deceleration train 50.In motor maintaining part 64, discoid support plate 57 keeps in the side L1 of central axis L
In motor 59, and the retainer 68 of bottomed tube is covered in the way of covering support plate 57 in the side L1 of central axis L, protected
Hold frame 68 and motor maintaining part 64 is fixed on by screw 680.Gear used in deceleration train 50 is in such support plate for constituting
Supporting between 57 and retainer 68 is to rotate.
In the manner, deceleration train 50 has first gear 51, second gear 52, the 3rd gear 53 and the 4th gear
54, the first gear 51 includes the large diameter gear portion 511 engaged with the little gear (not shown) of motor 59, the second gear
52 include the large diameter gear portion 521 engaged with the small-diameter gear portion 512 of first gear 51, and the 3rd gear 53 includes and second
The large diameter gear portion 531 of the engagement of small-diameter gear portion 522 of gear 52, the 4th gear 54 includes the path with the 3rd gear 53
The large diameter gear portion 541 of the engagement of gear part 532.
The cylinder portion 542 that the side L1 for forming oriented central axis L in the 4th gear 54 is projected, in the outer peripheral face in cylinder portion 542
It is formed with the sawtooth 543 for making convex portion extend along central axis L in circumferential many places.In the base plate 681 of retainer 68
Central authorities are formed with hole 682, and the side L1 from hole 682 to central axis L is prominent for the cylinder portion 542 of the 4th gear 54.
(Sketch of rotary body 3)
As shown in Fig. 1 (a), Fig. 1 (b), Fig. 2 (a) to Fig. 2 (c) and Fig. 3 (a) and Fig. 3 (b), rotary body 3 has cylinder
The main part 31 of shape and central axis L side L1 close main part 31 opening base plate 32.Main part 31 is from base plate
Portion 32 is prominent to the side L1 of central axis L.Therefore, prominent to the side L1 of central axis L rotary body side projecting strip part 311 exists
Rotary body 3 is along the outer peripheral edge of base plate 32 in circular extension.
A portion 33 is formed with the central authorities of base plate 32, the inner peripheral surface in cylinder portion 33 is formed with makes convex portion in circumferential many places
Along the sawtooth 330 that central axis L extends.Therefore, with from the side L1 of central axis L covering retainers 68 and motor
When the mode of maintaining part 64 covers rotary body 3, if the inner side that the cylinder portion 542 of the 4th gear 54 is inserted into into a portion 33, makes sawtooth
After 543 are combined with sawtooth 330, the screw 56 with pad is fixed on into the inner side in a portion 542 from the side L1 of central axis L,
Then rotary body 3 is in the state that can be rotated integrally with the 4th gear 54.
(Sketch of wind gate cover 2)
Fig. 4 (a) to Fig. 4 (d) is the explanation of the grade of wind gate cover 2 of the throttle setting 1 involved by embodiments of the present invention 1
Figure, Fig. 4 (a) is the front view that throttle setting 1 is observed from the side L1 of central axis L, and Fig. 4 (b) is along Y1-Y1 ' line cutting wind
The sectional view of the central part of door gear 1, Fig. 4 (c) is the front view that wind gate cover 2 is observed from the side L1 of central axis L, Fig. 4 (d)
It is the sectional view of the central part along Y2-Y2 ' line cuttings wind gate cover 2.In addition, in Fig. 4 (b), only in diagram rotary driving part 5
4th gear 54.
As shown in Fig. 1 (a), Fig. 1 (b), Fig. 2 (a) to Fig. 2 (c), Fig. 3 (a), Fig. 3 (b) and Fig. 4 (a) to Fig. 4 (d), wind
Door closure 2 includes the side plate 22 that end plate 21 and the opposite side L2 from the outer peripheral edge of end plate 21 to central axis L directions extend.
End plate 21 has to carrying out chamfering and to carrying out straight line chamfering at one in arc-shaped at three in foursquare corner
Shape.The central authorities of end plate 21 become the circle prominent to the side L1 in central axis L directions and opposite side L2 from end plate 21
Cylinder portion 23.Therefore, it is formed with what is be made up of the end of cylindrical portion 23 in the face of the side L1 in the central axis L directions of end plate 21
Circular wind gate cover side projecting strip part 231, is also formed with by justifying in the face of the opposite side L2 in the central axis L directions of end plate 21
The circular projecting strip part 232 that the end in cylinder portion 23 is constituted.Also, it is formed with and supporting mass 6 in the end plate 21 of wind gate cover 2
The chimeric pilot hole 210 of the axis of guide 65.
(structure of screw mechanism 70)
The inner side of cylindrical portion 23 becomes the rotary body for configuring rotary body 3 in inner side and configures hole 20.In the outer peripheral face of rotary body 3
Constituting between 310 and the inner peripheral surface 200 in rotary body configuration hole 20 has screw mechanism 70, and screw mechanism 70 is with idle running preventing portion together
Rotation direct acting shifter 7 is constituted, the idle running preventing portion is made up of the axis of guide 65 and pilot hole 210, the rotation direct acting
The spinning movement of rotary body 3 is converted to shifter 7 the direct acting action in the central axis L directions of wind gate cover 2.
In the manner, projecting strip part 37 that screw mechanism 70 is extended in the shape of a spiral by the outer peripheral face 310 in rotary body 3 and
The groove 27 that the inner peripheral surface 200 in the rotary body configuration hole 20 of wind gate cover 2 extends in the shape of a spiral is constituted, and projecting strip part 37 is in and is entrenched in groove
The state of 27 inner side.In the manner, when groove 27 is constituted, become following structure：Rotary body is configured into the inner peripheral surface in hole 20
A 200 circumferential part is formed with groove 27 as the heavy section 26 prominent to radially inner side in the heavy section 26.Here,
Heavy section 26 (groove 27) is formed with circumferential two.Also, heavy section 26 configures the central axis L directions in hole 20 from rotary body
The opening edge of side L1 formed to the opening edge of opposite side L2.
In the state of throttle setting 1 and supporting mass 6 to be arranged at cold air path 100, heavy section 26 is so being constituted
Wind gate cover 2 in be located at horizontal direction X (left and right directions) both sides.
(structure of limiting unit 4)
Fig. 5 (a) and Fig. 5 (b) are the explanatory diagrams of the limiting unit of throttle setting 1 involved by embodiments of the present invention 1 etc.,
Fig. 5 (a) is the axonometric chart that limiting unit is observed from the side L1 of central axis L, and Fig. 5 (b) is disposed on the ice discharging portion of limiting unit
Explanatory diagram.
As shown in Fig. 5 (a), in the throttle setting 1 of the manner, limiting unit 4 is by wind gate cover side convex portion 29 and rotation side
Convex portion 39 is constituted, and wind gate cover side convex portion 29 configures hole in the end of the side L1 of the central axis L of wind gate cover 2 than rotary body
20 inner peripheral surface 200 is prominent to radially inner side, side L1 of the rotation side convex portion 39 in the central axis L of rotary body 3
End is prominent to radial outside and can be from the counter clockwise direction CCW side around central axis L of wind gate cover side convex portion 29 (around center
The side of axis L) abut with wind gate cover side convex portion 29.The limiting unit 4 is by making rotation side convex portion 39 convex with wind gate cover side
Portion 29 is abutted preventing rotary body 3 from further rotating, so as to define wind gate cover 2 towards central axis L side L1 it is movable
Scope.In the manner, restricted portion 4 is constituted at circumferential two.
In the manner, wind gate cover side convex portion 29 is by the heavy section 26 arranged to form groove 27 around central axis L
The end of counter clockwise direction CCW side (around the side of central axis L) constitute, and from from wind gate cover side projecting strip part 231 to radially
The prominent part in inner side is constituted.Also, side convex portion 39 is rotated from from the portion prominent to radial outside of rotary body side projecting strip part 311
Divide and constitute.
(switching action of the aperture of cold air path 100)
In the throttle setting 1 of the manner, such as shown in Fig. 1 (a), in wind gate cover 2 opposite side in central axis L directions is located at
In the state of the side plate 22 of L2 and wind gate cover 2 is contacted with the housing 61 of supporting mass 6, cold air path is in closed mode.Therefore, cut
Broken the cold air provided from cold air path 100.
If in this condition the motor 59 of rotary driving part 5 operates and the CW rotations in a clockwise direction of rotary body 3, described
Spinning movement be transferred to wind gate cover 2 by including the rotation direct acting shifter 7 of screw mechanism 70, therefore such as Fig. 1 (b) institutes
Show, wind gate cover 2 to the side L1 in central axis L directions is moved.As a result, the side plate 22 of wind gate cover 2 leaves supporting mass 6
Housing 61, therefore cold air path 100 is in open state.Therefore, as shown in arrow C in Fig. 1 (b), provide from cold air path 100
Cold air is provided to the case of refrigerator via throttle setting 1.Now, by the limiting unit 4 as shown in Fig. 5 (a) and Fig. 5 (b)
The rotation side convex portion 39 is abutted with wind gate cover side convex portion 29, it is stipulated that wind gate cover 2 towards central axis L side L1 it is movable
Scope.
And, if the motor 59 of rotary driving part 5 rotates round about and the CCW rotations in a counterclockwise direction of rotary body 3,
The then spinning movement is transferred to wind gate cover 2 by the rotation direct acting shifter 7 including screw mechanism 70, therefore such as Fig. 1 (a)
Shown, wind gate cover 2 to the opposite side L2 in central axis L directions is moved.As a result, the side plate 22 in wind gate cover 2 and supporting
The state of the contact of housing 61 of body 6, therefore cold air path 100 recovers closed mode.
(structure of drainage path 8)
As shown in arrow H in Fig. 4 (b), constituting in the throttle setting 1 of the manner has drainage path 8, the draining road Jing
8 make when throttle setting 1 and supporting mass 6 are arranged at into cold air path rotary body 3 the condensation such as outer peripheral face 310 water from rotation
Swivel configuration is flowed out downwards in hole 20.
More specifically, in the state of throttle setting 1 and supporting mass 6 to be arranged at cold air path 100, in rotary body
The breach 28 being formed in part with to radial outside extension positioned at downside in the opening edge in configuration hole 20.In the manner,
Be provided for being formed the heavy section 26 of the groove 27 of screw mechanism 70 at the two of circumferential opposition side, thus by throttle setting 1 with
And supporting mass 6 is arranged in the state of cold air path 100, the heavy section 26 at two is located at horizontal direction, rather than positioned at downside.
In the manner, using the structure, configure in rotary body and be provided with breach 28 on the downside of the opening edge in hole 20.Therefore, in rotation
The water of the condensation of outer peripheral face 310 of swivel 3 is matched somebody with somebody along the spiral helicine projecting strip part 37, rotary body of the outer peripheral face 310 for being formed at rotary body 3
Put each positions such as the inner peripheral surface 200 in groove 27, rotary body configuration hole 20 in hole 20 to be directed to breach 28 and discharge.Thus, draining
Path 8 is configured the inner peripheral surface 200 and breach 28 in hole 20 by rotary body and is constituted.
Here, when observing from central axis L directions, breach 28 configure in rotary body the side of inner peripheral surface 200 in hole 20
The whole region for being circumferentially configured groove 27 and heavy section 26 clamping of screw mechanism 70 is formed in arc-shaped, the week of the breach 28
To forming range it is long.
Also, breach 28 configures the edge of the side L1 in the central axis L directions in hole 20 from rotary body and is formed to opposite side
The edge of L2.Also, the inner surface of breach 28 has relative to central axis L to the inclined taper surfaces 280 of side L1.
In addition, in the manner, in the state of throttle setting 1 and supporting mass 6 to be arranged at cold air path, in rotation
Part above in the opening edge in body configuration hole 20 is also formed with the identical breach 28 of breach 28 with downside, even if
Invert throttle setting 1 and supporting mass 6 up and down and in the case of being arranged at cold air path, also constituting makes in the periphery of rotary body 3
The water of the grade condensation of face 310 configures the drainage path 8 flowed out downwards in hole 20 from rotary body.Therefore, hole 20 is configured in rotary body
Opening edge side, to be formed with heavy section 26, breach 28, heavy section 26 and breach 28, rotary body in circumferentially-adjacent mode
Circumferential each position of the opening edge in configuration hole 20 is used as the forming region of the groove 27 of screw mechanism 70 and draining road
Any one in the breach 28 in footpath 8.In the manner, groove 27 is in the circumferential with everywhere about across 90 degree of angular range
Mode be formed at two, breach 28 also by everywhere is about formed at two across in the way of 90 degree of angular range in the circumferential
Place.Heavy section 26 is divided in the circumferential two parts 260 by groove 27, and the angular range of everywhere breach 28 is than in heavy section 26
Each part 260 (with reference to Fig. 4 (d)) in circumferential sandwich groove 27 angular range it is big.
In the case where so constituting, in the outer peripheral face 310 of rotary body 3 with the rotary body configuration hole 20 of wind gate cover 2
Big gap is produced due to breach 28 between side face 200.But, supporting mass 6 includes sealing plate 63, from central axis L side
When observation, the sealing plate 63 is in the opposite side L2 in central axis L directions adjacent with rotary body 3 position with rotary body 3
The gap that outer peripheral face 310 is configured between the inner peripheral surface 200 in hole 20 with rotary body is Chong Die.Therefore, the outer peripheral face 310 of rotary body 3 with
Covered by sealing plate 63 between the inner peripheral surface 200 in the rotary body configuration hole 20 of wind gate cover 2.Also, wind gate cover 2 has to central shaft
The circular projecting strip part 232 that the opposite side L2 in line L directions is projected, opposite side L2 from wind gate cover 2 to central axis L directions
When (side that sealing plate 63 is located) is mobile, projecting strip part 232 is contacted in complete cycle with sealing plate 63.Therefore, cold air is difficult from breach
28 spill.
(structure in ice discharging portion 9)
As with reference to Fig. 5 (a) description, in the manner, limiting unit 4 by wind gate cover 2 the He of wind gate cover side convex portion 29
The rotation side convex portion 39 of rotary body 3 is constituted.Therefore, wind gate cover side convex portion 29 with rotation side convex portion 39 it is close when, because
The water freezing of the outer peripheral face condensation of rotary body 3 and the ice that produces is handled upside down by groove 27 and projecting strip part 37, as shown in Fig. 5 (b),
Ice P can be clamped between wind gate cover side convex portion 29 and rotation side convex portion 39.
Therefore, in the manner, in the side counterclockwise around central axis relative to wind gate cover side convex portion 29 of wind gate cover 2
Constituting by the position of radial outside to the end 290 of CCW sides (around the side of central axis L) has (the wind gate cover side ice discharging of ice discharging portion 9
Portion 9a), when wind gate cover side convex portion 29 is close with rotation side convex portion 39, as shown in arrow Wa, ice discharging portion 9 (arranges wind gate cover side
Ice portion 9a) ice P is discharged to radial outside between wind gate cover side convex portion 29 and rotation side convex portion 39.
In the manner, it is formed with the end side (side L1) in central axis L directions in wind gate cover 2 and configures along rotary body
The wind gate cover side projecting strip part 231 that the opening edge in hole 20 extends, wind gate cover side convex portion 29 is inside to footpath from wind gate cover side projecting strip part 231
Side projects.Therefore, in the manner, in wind gate cover side, projecting strip part 231 forms jagged, and by the breach wind gate cover side is constituted
The wind gate cover side ice discharging mouth 299 of ice discharging portion 9a.In the wind gate cover side ice discharging mouth 299, in circumferential opposed face 299a, 299b
In become towards making more to lean on positioned at the face 299b around the clockwise direction CW sides (around the opposite side of central axis L) of central axis
More leave the inclined inclined plane in direction of face 299a in the part of radial outside.Therefore, the radial outside of wind gate cover side ice discharging mouth 299
Circumferential size it is bigger than the circumferential size of radially inner side.
Also, the end 290 of the counter clockwise direction CCW side (around the side of central axis L) of wind gate cover side convex portion 29 includes
Can with the rotation wind gate cover side abutting part 292 that abut of side convex portion 39 and than wind gate cover side abutting part 292 by radial outside
Position towards radial outside wind gate cover lateral incline 293, wind gate cover lateral incline 293 constitute with wind gate cover side ice discharging mouth
The continuous inclined planes 295 of face 299b of 299 clockwise direction CW sides.Therefore, the radial dimension ratio of wind gate cover side abutting part 292
The inclined plane being made up of the face 299b of wind gate cover lateral incline 293 and the clockwise direction CW sides of wind gate cover side ice discharging mouth 299
Radial width size is little.
(main efficacy results of the manner)
It is as described above, in the throttle setting 1 of the manner, by the rotation output of rotary driving part 5 by including leading screw
The rotation direct acting shifter 7 of mechanism 70 is transferred to wind gate cover 2, makes wind gate cover 2 move linearly relative to supporting mass 6, by wind
Door closure 2 switches the aperture of cold air path.Now, even if the outer peripheral face 310 of the water immersion rotary body 3 of condensation configures hole with rotary body
Between 20 inner peripheral surface 200, dew will also pass through drainage path 8 and flow out downwards from rotary body configuration hole 20.Accordingly, it is capable to
Enough suppress dew to configure in rotary body to freeze between the inner peripheral surface 200 and rotary body 3 in hole 20 such that it is able to suppress due to freezing
And cause wind gate cover 2 to fasten with rotary body 3.Therefore, even if using the aperture that switching cold air path is made by screw mechanism 70
Wind gate cover 2 rectilinear movement mode in the case of, it is also possible to suppress due to condense water freezing and generation action is bad.
Also, the breach that a circumferential part for the opening edge in hole 20 forms oriented radial outside extension is configured in rotary body
28, drainage path 8 is configured the inner peripheral surface 200 and breach 28 in hole 20 by rotary body and is constituted.Therefore, it is possible to by the shape of wind gate cover 2
Drainage path 8 is constituted into the grade design alteration of breach 28.
Also, the inner surface of breach 28 becomes taper surface 280 inclined relative to central axis L.Therefore, it is possible to make utilization
The dew that breach 28 is stopped successfully flows out.Also, because breach 28 configures the central axis L directions in hole 20 from rotary body
The edge of side L1 is formed to the edge of opposite side L2, therefore easily using breach 28 is stopped dew and flowed out it.Also,
When observing from central axis L directions, breach 28 is formed as arc-shaped, and the scope for forming breach 28 is big.Therefore, easily using scarce
Mouth 28 stops dew and flows out it.
Also, supporting mass 6 includes sealing plate 63, and when observing from central axis L directions, the sealing plate 63 is in central shaft
On line L directions the position adjacent with rotary body 3 with outer peripheral face 310 and the rotary body of rotary body 3 configure hole 20 inner peripheral surface 200 it
Between gap overlap.Therefore, even if in the case where breach 28 to be arranged on rotary body configuration hole 20, it is also possible to suppress cold air Jing
Spilt by breach 28.Also, wind gate cover 2 have when wind gate cover 2 on central axis L directions to 63 side shifting of sealing plate when with it is close
The projecting strip part 232 of the contact of shrouding 63.Therefore, it is possible to suppress cold air to spill via breach 28.
Also, in the manner, by making to be arranged at the wind gate cover side convex portion 29 of wind gate cover 2 and being arranged at rotary body 3
Rotation side convex portion 39 abuts and is construed as limiting portion 4, so as to specify the movable range of wind gate cover 2.Therefore, in screw mechanism 70
In, the projecting strip part 37 of rotary body 3 will not come off from the groove 27 of wind gate cover 2.
If here, condensation water freeze in the outer peripheral face 310 of rotary body 3, wind gate cover side convex portion 29 with rotation side
When convex portion 39 is close, ice P can be clamped between wind gate cover side convex portion 29 and rotation side convex portion 39, but the ice P can be from
Arrange to radial outside via wind gate cover side ice discharging portion 9a (ice discharging portion 9) between wind gate cover side convex portion 29 and rotation side convex portion 39
Go out.Therefore, it is possible to suppress because wind gate cover side convex portion 29 causes the wind gate cover 2 can not with rotation side convex portion 39 due to ice P fastenings
It is mobile.
Also, it is formed with the end side (side L1) in central axis L directions in wind gate cover 2 and configures hole 20 along rotary body
The wind gate cover side projecting strip part 231 that opening edge extends, is construed as limiting the wind gate cover side convex portion 29 in portion 4 from wind gate cover side projecting strip part 231
It is prominent to radially inner side.Therefore, breach is formed in wind gate cover side projecting strip part 231 such that it is able to constitute wind gate cover side ice discharging portion 9a
Wind gate cover side ice discharging mouth 299.Therefore, easily make ice between wind gate cover side convex portion 29 and rotation side convex portion 39 through air door
Lid side ice discharging portion 9a to radial outside is discharged.
Also, due to the circumferential size of the radial outside of wind gate cover side ice discharging mouth 299 it is bigger than the circumferential size of radially inner side,
Therefore easily make ice P outside to footpath through wind gate cover side ice discharging portion 9a between wind gate cover side convex portion 29 and rotation side convex portion 39
Discharge side.Also, the end 290 of the counter clockwise direction CCW side (around the side of central axis L) of wind gate cover side convex portion 29 includes energy
Enough wind gate cover side abutting parts 292 abutted with rotation side convex portion 39 and leaning on radial outside than wind gate cover side abutting part 292
Wind gate cover lateral incline 293 of the position towards radial outside.Therefore, wind gate cover side convex portion 29 abuts with rotation side convex portion 39
Area is narrow, and thus ice P is difficult to be clamped between wind gate cover side convex portion 29 and rotation side convex portion 39.
Also, wind gate cover lateral incline 293 constitutes the clockwise direction CW sides (opposite side) with wind gate cover side ice discharging mouth 299
The continuous inclined planes 295 of face 299b.Therefore, ice P Jing between wind gate cover side convex portion 29 and rotation side convex portion 39 are easily made
Cross wind gate cover side ice discharging portion 9a to discharge to radial outside.Also, the radial dimension of wind gate cover side abutting part 292 is than inclined plane 295
Radial width size it is little.Therefore, wind gate cover side convex portion 29 is narrow with the area that rotation side convex portion 39 abuts, and thus ice P is difficult
It is clamped between wind gate cover side convex portion 29 and rotation side convex portion 39.
[embodiment 2]
Fig. 6 (a) and Fig. 6 (b) are the explanatory diagrams in the ice discharging portion 9 of the throttle setting 1 involved by embodiments of the present invention 2,
Fig. 6 (a) is the axonometric chart that limiting unit 4 is observed from the side L1 of central axis L, and Fig. 6 (b) is disposed on the ice discharging portion of limiting unit 4
Explanatory diagram.
It is identical with embodiment 1 in the manner as shown in Fig. 6 (a) and Fig. 6 (b), restricted portion 4 is also constituted, it is described
Limiting unit 4 includes configuring the He of wind gate cover side convex portion 29 that the inner circumferential in hole 20 is projected towards radially inner side than the rotary body of wind gate cover 2
The rotation that can be abutted with wind gate cover side convex portion 29 from the counter clockwise direction CCW side (around the side of central axis L) around central axis L
Swivel side convex portion 39.Therefore, as shown in Fig. 6 (b), when wind gate cover side convex portion 29 is close with rotation side convex portion 39, because in rotation
The water freezing of the outer peripheral face condensation of swivel 3 and the ice P that produces can be clamped in wind gate cover side convex portion 29 and rotation side convex portion 39 it
Between.
Therefore, in the manner, in rotary body 3 relative to rotation side convex portion 39 around the clockwise of central axis L
The end 390 (referring to Fig. 7 (a)) of direction CW sides (around the opposite side of central axis L) is constituted by the position of radially inner side ice discharging
Portion 9 (rotation side ice discharging portion 9b), when wind gate cover side convex portion 29 is close with rotation side convex portion 39, as shown in arrow Wb, should
(rotation side ice discharging portion 9b) makes ice P between wind gate cover side convex portion 29 and rotation side convex portion 39 to radially inner side in ice discharging portion 9
Discharge.
In the manner, the central axis L directions of rotary body 3 end side (side L1) along base plate 32 outer rim shape
Into there is rotary body side projecting strip part 311, rotation side convex portion 39 is prominent to radial outside from rotary body side projecting strip part 311.Therefore, exist
In the manner, in rotary body side, projecting strip part 311 forms jagged, and by the breach rotation of rotation side ice discharging portion 9b is constituted
Side ice discharging mouth 399.Here, in rotation side ice discharging mouth 399, in circumferential opposed face 399a, 399b positioned in
The face 399a of the counter clockwise direction CCW side (around the side of central axis L) of heart axis L becomes direction to be made more by the portion of radially inner side
Divide the inclined inclined plane in direction for more leaving face 399b.Therefore, the circumferential size ratio of the radially inner side of rotation side ice discharging mouth 399
The circumferential size of radial outside is big.
Even if in the case where so constituting, when wind gate cover side convex portion 29 is close with rotation side convex portion 39, ice P also can
It is clamped between wind gate cover side convex portion 29 and rotation side convex portion 39, but the ice P can be from wind gate cover side convex portion 29 and rotation
Discharge to radially inner side via rotation side ice discharging portion 9b (ice discharging portion 9) between side convex portion 39.Therefore, according to the manner, with
Embodiment 1 is identical, can suppress because wind gate cover side convex portion 29 causes wind gate cover with rotation side convex portion 39 due to ice P fastenings
2 is immovable.
Also, due to the circumferential size for rotating the radially inner side of side ice discharging mouth 399 it is bigger than the circumferential size of radial outside,
Therefore easily make ice P inside to footpath through rotation side ice discharging portion 9b between wind gate cover side convex portion 29 and rotation side convex portion 39
Discharge side.
[embodiment 3]
Fig. 7 (a) and Fig. 7 (b) are the explanatory diagrams in the ice discharging portion 9 of the throttle setting 1 involved by embodiments of the present invention 3,
Fig. 7 (a) is the axonometric chart that limiting unit 4 is observed from the side L1 of central axis L, and Fig. 7 (b) is disposed on the ice discharging portion of limiting unit 4
Explanatory diagram.
It is identical with embodiment 1,2 in the manner as shown in Fig. 7 (a) and Fig. 7 (b), also constitute restricted portion 4, institute
Limiting unit 4 is stated including wind gate cover side convex portion 29 and rotation side convex portion 39, rotation of the wind gate cover side convex portion 29 than wind gate cover 2
The inner circumferential in body configuration hole 20 is projected towards radially inner side, and rotation side convex portion 39 can be from around the counterclockwise of central axis L
Direction CCW sides (around the side of central axis L) abut with wind gate cover side convex portion 29.
Also, it is in the manner, identical with embodiment 2, also rotary body 3 relative to rotation side convex portion 39 around
The end 390 of the clockwise direction CW sides (around the opposite side of central axis L) of central axis L is constituted by the position of radially inner side to be had
Ice discharging portion 9 (rotation side ice discharging portion 9b), when wind gate cover side convex portion 29 is close with rotation side convex portion 39, such as arrow Wb institutes
Show, the ice discharging portion 9 (rotation side ice discharging portion 9b) makes ice P between wind gate cover side convex portion 29 and rotation side convex portion 39 to radially
Discharge inner side.Also, projecting strip part 311 forms jagged in rotary body side, it is made up of rotation side ice discharging portion 9b's the breach
Rotation side ice discharging mouth 399.Also, rotate side ice discharging mouth 399 radially inner side circumferential size than radial outside circumference
Size is big.
Also, it is identical with embodiment 1 in the manner, wind gate cover 2 relative to wind gate cover side convex portion 29 in
The end 290 of the counter clockwise direction CCW side (around the side of central axis L) of heart axis is constituted by the position of radial outside ice discharging
Portion 9 (wind gate cover side ice discharging portion 9a), when wind gate cover side convex portion 29 is close with rotation side convex portion 39, as shown in arrow Wa, should
Ice discharging portion 9 (wind gate cover side ice discharging portion 9a) makes ice between wind gate cover side convex portion 29 and rotation side convex portion 39 to radial outside row
Go out.Also, projecting strip part 231 forms jagged in wind gate cover side, the wind gate cover of wind gate cover side ice discharging portion 9a is made up of the breach
Side ice discharging mouth 299.Here, the circumferential size of the radial outside of wind gate cover side ice discharging mouth 299 is bigger than the circumferential size of radially inner side.
Also, the end 290 of the counter clockwise direction CCW side of wind gate cover side convex portion 29 includes the wind that can be abutted with rotation side convex portion 39
Door closure side abutting part 292 and than wind gate cover side abutting part 292 by radial outside position towards radial outside wind gate cover side
Inclined plane 293, wind gate cover lateral incline 293 is constituted and connected with the face 299b of the clockwise direction CW sides of wind gate cover side ice discharging mouth 299
Continuous inclined plane 295.Therefore, the radial dimension ratio of wind gate cover side abutting part 292 is by wind gate cover lateral incline 293 and wind gate cover side
The radial width size of the inclined plane that the face 299b of the clockwise direction CW sides of ice discharging mouth 299 is constituted is little.
In the case where so constituting, when wind gate cover side convex portion 29 is close with rotation side convex portion 39, ice P can be clamped in
Between wind gate cover side convex portion 29 and rotation side convex portion 39, but the ice P can be from wind gate cover side convex portion 29 and rotation side
Discharge to radially inner side via rotation side ice discharging portion 9b (ice discharging portion 9) between convex portion 39, and can arrange via wind gate cover side
Ice portion 9a (ice discharging portion 9) to radial outside is discharged.Therefore, according to the manner, compared with embodiment 1,2, can be relatively reliable
Ground suppresses because wind gate cover side convex portion 29 causes wind gate cover 2 immovable with rotation side convex portion 39 due to ice fastening.
(another embodiment)
In the above-described embodiment, by drainage path 8 and ice discharging portion 9 at least one prevent wind gate cover 2 with rotation
Swivel 3 is fastened due to ice, but can also arrange thin film heater in inner surface of wind gate cover 2 etc..According to the structure, lead to
Cross the time point using thin film heater in regulation to heat wind gate cover 2, be prevented from wind gate cover 2 with rotary body 3 because of ice
And fasten.Even if also, in the case where wind gate cover 2 and rotary body 3 are fastened due to ice, it is also possible to by using film heating
Device is heated to wind gate cover 2, will be fastened wind gate cover 2 and is melted with the ice of rotary body 3.
(other embodiment)
In the above-described embodiment, it is structure that fan unit 101 is connected to supporting mass 6, but can also be by this
The bright throttle setting 1 for being applied to supporting mass 6 and the separate configuration of fan unit 101.
In the above-described embodiment, when screw mechanism 70 is constituted, in the outer peripheral face 310 of rotary body 3 projecting strip part is defined
37, the inner peripheral surface 200 for configuring hole 20 in rotary body defines groove 27, but can also be formed in the outer peripheral face 310 of rotary body 3
Groove, the inner peripheral surface 200 for configuring hole 20 in rotary body forms projecting strip part.Also, when screw mechanism 70 is constituted, it is also possible in rotation
A square grooving in the inner peripheral surface 200 in the outer peripheral face 310 of body 3 and rotary body configuration hole 20, forms in the opposing party and is embedded in
The pin-shaped projection of groove.
Claims (15)
1. a kind of throttle setting, it is characterised in that the throttle setting includes：
Supporting mass；
Rotary driving part, the rotary driving part is supported on the supporting mass；
Rotary body, the rotary body is driven and rotated by the rotary driving part；
Wind gate cover, the wind gate cover is included in the rotary body configuration hole that inner side is configured with the rotary body, the wind gate cover switching
The aperture of cold air path；
Rotation direct acting shifter, the rotation direct acting shifter includes screw mechanism, and the screw mechanism is in the rotation
Constitute between the inner peripheral surface in the outer peripheral face of body and rotary body configuration hole, the direct acting shifter that rotates is by the rotary body
Spinning movement be converted to the wind gate cover the central axial direction along the rotary body direct acting action；
Limiting unit, the limiting unit includes wind gate cover side convex portion and rotation side convex portion, and wind gate cover side convex portion is in the wind
In door closure than the rotary body configure hole inner circumferential towards radially inner side project, rotation side convex portion from the rotary body to
Radial outside projects and can be from abutting with wind gate cover side convex portion around the side of the central axis；And
Ice discharging portion, the ice discharging portion includes wind gate cover side ice discharging portion and at least one party in rotation side ice discharging portion, described
When wind gate cover side convex portion is close with rotation side convex portion, the wind gate cover side ice discharging portion is in the wind gate cover relative to institute
The end of the side around the central axis of wind gate cover side convex portion is stated by the position of radial outside, ice is made from the wind gate cover side
Discharge between convex portion and rotation side convex portion, when wind gate cover side convex portion is close with rotation side convex portion, institute
State opposite side around the central axis relative to rotation side convex portion of the rotation side ice discharging portion in the rotary body
End by radially inner side position, ice is discharged between wind gate cover side convex portion and rotation side convex portion.
2. throttle setting according to claim 1, it is characterised in that
The ice discharging portion includes both the wind gate cover side ice discharging portion and the rotation side ice discharging portion.
3. throttle setting according to claim 1, it is characterised in that
The end side in the central axial direction is formed with the wind gate cover to prolong along the opening edge that the rotary body configures hole
The wind gate cover side projecting strip part stretched,
Wind gate cover side convex portion is prominent to radially inner side from wind gate cover side projecting strip part,
The wind gate cover side ice discharging portion includes the wind gate cover side ice discharging that the breach for being formed from wind gate cover side projecting strip part is constituted
Mouthful.
4. throttle setting according to claim 2, it is characterised in that
The end side in the central axial direction is formed with the wind gate cover to prolong along the opening edge that the rotary body configures hole
The wind gate cover side projecting strip part stretched,
Wind gate cover side convex portion is prominent to radially inner side from wind gate cover side projecting strip part,
The wind gate cover side ice discharging portion includes the wind gate cover side ice discharging that the breach for being formed from wind gate cover side projecting strip part is constituted
Mouthful.
5. throttle setting according to claim 3, it is characterised in that
The circumferential size of the radial outside of the wind gate cover side ice discharging mouth is bigger than the circumferential size of radially inner side.
6. throttle setting according to claim 4, it is characterised in that
The circumferential size of the radial outside of the wind gate cover side ice discharging mouth is bigger than the circumferential size of radially inner side.
7. throttle setting according to claim 5, it is characterised in that
The end of the side of wind gate cover side convex portion includes：
Wind gate cover side abutting part, wind gate cover side abutting part can be abutted with rotation side convex portion；And
Wind gate cover lateral incline, the wind gate cover lateral incline is leaning on the surface of position of radial outside than wind gate cover side abutting part
To radial outside.
8. throttle setting according to claim 7, it is characterised in that
The wind gate cover lateral incline constitutes the continuous inclined plane in face with the opposite side of the wind gate cover side ice discharging mouth.
9. throttle setting according to claim 8, it is characterised in that
The radial dimension of wind gate cover side abutting part is less than the radial width size of the inclined plane.
10. the throttle setting according to any one of claim 3 to 9, it is characterised in that
The rotary body side projecting strip part that the outer rim for being formed with the end face along the end side in the rotary body extends,
Rotation side convex portion is prominent to radial outside from rotary body side projecting strip part,
The rotation side ice discharging portion includes the rotation side ice discharging that the breach for being formed from rotary body side projecting strip part is constituted
Mouthful.
11. throttle settings according to claim 10, it is characterised in that
The circumferential size of the radially inner side of the rotation side ice discharging mouth is bigger than the circumferential size of radial outside.
12. throttle settings according to any one of claim 1 to 9, it is characterised in that
The throttle setting has drainage path, and the drainage path is made when the supporting mass is arranged at into the cold air path
The water of condensation flows out downwards from rotary body configuration hole.
13. throttle settings according to any one of claim 1 to 9, it is characterised in that
The wind gate cover is provided with thin film heater.
14. throttle settings according to any one of claim 1 to 9, it is characterised in that
The screw mechanism has projecting strip part and groove, and the projecting strip part extends in the shape of a spiral in the outer peripheral face of the rotary body, institute
State groove to extend in the shape of a spiral in the inner peripheral surface that the rotary body configures hole, the projecting strip part is embedded in the inner side of the groove.
15. throttle settings according to any one of claim 1 to 9, it is characterised in that
Fan unit is connected with the supporting mass.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014080456A JP6358836B2 (en) | 2014-04-09 | 2014-04-09 | Damper device |
| JP2014-080456 | 2014-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976849A CN104976849A (en) | 2015-10-14 |
| CN104976849B true CN104976849B (en) | 2017-05-17 |
Family
ID=53867297
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520194716.XU Withdrawn - After Issue CN204574674U (en) | 2014-04-09 | 2015-04-02 | Throttle setting |
| CN201510153105.5A Active CN104976849B (en) | 2014-04-09 | 2015-04-02 | Air throttle device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520194716.XU Withdrawn - After Issue CN204574674U (en) | 2014-04-09 | 2015-04-02 | Throttle setting |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6358836B2 (en) |
| CN (2) | CN204574674U (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6358836B2 (en) * | 2014-04-09 | 2018-07-18 | 日本電産サンキョー株式会社 | Damper device |
| CN107701679B (en) * | 2016-08-09 | 2020-03-27 | 日本电产三协株式会社 | Gear unit and cold air damper |
| JP6698490B2 (en) * | 2016-09-28 | 2020-05-27 | 株式会社不二工機 | Cooling unit |
| JP6747717B2 (en) * | 2016-12-12 | 2020-08-26 | アクア株式会社 | refrigerator |
| JP6747718B2 (en) * | 2016-12-12 | 2020-08-26 | アクア株式会社 | refrigerator |
| JP2019020010A (en) * | 2017-07-13 | 2019-02-07 | 日本電産サンキョー株式会社 | Damper device |
| JP6989312B2 (en) * | 2017-07-13 | 2022-01-05 | 日本電産サンキョー株式会社 | Damper device |
| JP2019060455A (en) * | 2017-09-28 | 2019-04-18 | 日本電産サンキョー株式会社 | Damper device |
| JP6955409B2 (en) * | 2017-09-28 | 2021-10-27 | 日本電産サンキョー株式会社 | Damper device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207490A (en) * | 1997-07-31 | 1999-02-10 | 三星电子株式会社 | Refrigerator having device for opening/closing cool air discharge ports |
| CN100430676C (en) * | 2002-10-29 | 2008-11-05 | Bsh博施及西门子家用器具有限公司 | No-frost refrigerator |
| CN204574674U (en) * | 2014-04-09 | 2015-08-19 | 日本电产三协株式会社 | Throttle setting |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002199A (en) * | 1975-11-10 | 1977-01-11 | General Motors Corporation | Refrigerator food conditioning appliance |
| JPS54133666A (en) * | 1978-04-07 | 1979-10-17 | Hitachi Ltd | Freezer refrigerator |
| JPH04161080A (en) * | 1990-10-24 | 1992-06-04 | Matsushita Refrig Co Ltd | Motor actuator |
| JPH08219618A (en) * | 1995-02-13 | 1996-08-30 | Sharp Corp | Electric refrigerator |
| JP3314910B2 (en) * | 1996-05-30 | 2002-08-19 | 株式会社三協精機製作所 | Double damper device |
| JPH11281138A (en) * | 1998-03-27 | 1999-10-15 | Kajima Corp | Damper unit |
| JP3656067B2 (en) * | 2002-11-14 | 2005-06-02 | 松下冷機株式会社 | Damper device |
| JP2007147177A (en) * | 2005-11-29 | 2007-06-14 | Nidec Sankyo Corp | Damper device and refrigerator |
| JP5007098B2 (en) * | 2006-10-31 | 2012-08-22 | 東芝キヤリア株式会社 | Adsorber, humidity control device and air conditioner indoor unit |
| JP2013197002A (en) * | 2012-03-22 | 2013-09-30 | Panasonic Corp | Circuit protection element |
| JP6254404B2 (en) * | 2013-09-24 | 2017-12-27 | アクア株式会社 | Shielding device and refrigerator having the same |
-
2014
- 2014-04-09 JP JP2014080456A patent/JP6358836B2/en active Active
-
2015
- 2015-04-02 CN CN201520194716.XU patent/CN204574674U/en not_active Withdrawn - After Issue
- 2015-04-02 CN CN201510153105.5A patent/CN104976849B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207490A (en) * | 1997-07-31 | 1999-02-10 | 三星电子株式会社 | Refrigerator having device for opening/closing cool air discharge ports |
| CN100430676C (en) * | 2002-10-29 | 2008-11-05 | Bsh博施及西门子家用器具有限公司 | No-frost refrigerator |
| CN204574674U (en) * | 2014-04-09 | 2015-08-19 | 日本电产三协株式会社 | Throttle setting |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6358836B2 (en) | 2018-07-18 |
| CN204574674U (en) | 2015-08-19 |
| CN104976849A (en) | 2015-10-14 |
| JP2015200476A (en) | 2015-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104976849B (en) | Air throttle device | |
| CN104976847B (en) | Air throttle device | |
| US7992664B2 (en) | Jalousie for a vehicle | |
| US10125878B2 (en) | Thermostat valve for a combustion engine | |
| CN102047014B (en) | Flow path selector valve | |
| WO2013180090A1 (en) | Rotary valve | |
| JP6157657B2 (en) | Fan shroud for vehicles | |
| JP6656846B2 (en) | Flow path switching valve and seal member | |
| JP2004293573A (en) | Valve element driving device | |
| JP6450220B2 (en) | Damper device | |
| JP6104280B2 (en) | Valve devices for automobiles | |
| JP6242869B2 (en) | In particular, a fluid circulation valve for an automobile and a temperature control device including the valve | |
| KR200488982Y1 (en) | Grain opening and closing gate | |
| US20210138891A1 (en) | Shutter device for vehicle | |
| JP7171251B2 (en) | damper device | |
| JP6989312B2 (en) | Damper device | |
| JP2010048110A (en) | Jalousie shutter for vehicle | |
| JP4981534B2 (en) | Centrifugal blower | |
| JP2019020010A (en) | Damper device | |
| JP2012200677A (en) | Kneader and discharge machine | |
| JP2018112310A (en) | Sealing member and valve for interrupting gas flow | |
| JP2003185036A (en) | Rotary orifice type control valve | |
| JP5538085B2 (en) | Inside / outside air switching device | |
| KR200303550Y1 (en) | A butterfly valve having the function of bypass | |
| CN105546139A (en) | Stagnation prevention structure for feed valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |