CN109520106B - Shutter driving device and air conditioner - Google Patents
Shutter driving device and air conditioner Download PDFInfo
- Publication number
- CN109520106B CN109520106B CN201811517926.2A CN201811517926A CN109520106B CN 109520106 B CN109520106 B CN 109520106B CN 201811517926 A CN201811517926 A CN 201811517926A CN 109520106 B CN109520106 B CN 109520106B
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- rack
- gear
- mounting portion
- driver
- shutter
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000452 restraining effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 25
- 238000005192 partition Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Blinds (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a shutter driving device and an air conditioner, wherein the shutter driving device comprises: the fixed seat is provided with a gear installation part and a rack installation part; a gear; a rack; and the driver is connected with the gear and used for driving the gear to rotate, and the rack mounting part is used for limiting a hollow channel extending along the length direction of the rack. According to the shutter driving device provided by the embodiment of the invention, the mounting parts of all structures are arranged on the fixing seat, so that the shutter driving device is integrated, and the assembly efficiency and the operation reliability of the shutter driving device are improved; the shutter is driven to move by the cooperation of the gear and the rack, so that the movement amplitude of the shutter is increased, the transmission is stable, the stress is uniform, and the movement speed of the shutter is uniform; the racks are matched and move in the hollow channel, so that the stability of the shutter during movement is further improved, and the problem of unstable operation and shaking of the shutter in the prior art is effectively solved; and the structure is simple, the installation and the disassembly are convenient, and the device can be widely popularized and applied.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a shutter driving device and an air conditioner.
Background
With the development of society, people's living standard improves, and people put forward higher demands on the air supply of air conditioner. In the related art, the air conditioner realizes the regulation of air supply quantity and air supply direction through the tripe, and the movement of tripe drives the tripe connecting rod through crank link mechanism usually and rotates, and the tripe is whole round corresponding pivot motion in the motion process, and this kind of drive arrangement is bulky, and the assembly degree of difficulty is big, and installation and dismantlement are all more troublesome, and the motion range of tripe is little, and the air output is little, the atress is inhomogeneous, and stability is poor, exists the improvement space.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a shutter driving device, which has a simple structure and good stability.
The invention also provides an air conditioner.
According to a first aspect of the present invention, a shutter driving apparatus includes: the fixing seat is provided with a gear installation part and a rack installation part; a rotatable gear provided at the gear mounting portion; the movable rack is arranged on the rack mounting part and is in transmission connection with the gear, and the rack is used for connecting the connecting rod of the shutter; and the driver is connected with the gear and is used for driving the gear to rotate, and the rack mounting part is used for limiting a hollow channel extending along the length direction of the rack.
According to the shutter driving device provided by the embodiment of the invention, the mounting parts of all structures are arranged on the fixing seat, so that the shutter driving device is integrated, and the assembly efficiency and the operation reliability of the shutter driving device are improved; the shutter is driven to move by the cooperation of the gear and the rack, so that the movement amplitude of the shutter is increased, the transmission is stable, the stress is uniform, and the movement speed of the shutter is uniform; the racks are matched and move in the hollow channel, so that the stability of the shutter during movement is further improved, and the problem of unstable operation and shaking of the shutter in the prior art is effectively solved; and the shutter driving device has simple structure, is convenient to install and disassemble and assemble, and can be widely popularized and applied.
According to the shutter driving device provided by the embodiment of the invention, the cross-sectional area of the hollow channel gradually decreases along the length direction of the hollow channel from the direction approaching to the connecting rod to the direction separating from the connecting rod.
Specifically, at least one wall surface of the hollow passage forms a slope that gradually extends toward the center of the hollow passage in the direction from approaching the connecting rod to separating from the connecting rod along the length direction thereof.
According to the shutter driving device provided by the embodiment of the invention, the wall surface of the hollow channel is provided with the limiting convex rib extending along the length direction of the hollow channel, and the limiting convex rib is used for stopping the rack when the rack slides.
Optionally, at least a part of the wall surface of the hollow channel forms an annular wall surface, wherein the limiting ribs comprise a plurality of limiting ribs, and the limiting ribs are arranged at intervals along the circumferential direction of the annular wall surface of the hollow channel.
According to the shutter driving device provided by the embodiment of the invention, the rack comprises a sliding part and a rack body arranged on the sliding part, the rack installation part comprises a guide section and a connecting section positioned on one side of the guide section close to the gear installation part, wherein the guide section and the connecting section are mutually buckled to define the hollow channel, the guide section is used for restraining the sliding part, and the connecting section is used for restraining the rack body.
Further, the guide section has a width larger than that of the connecting section to form a limit step on the wall surface of the hollow passage.
According to the shutter driving device provided by the embodiment of the invention, the gear mounting part is arranged on one side of the rack mounting part, wherein the rack mounting part is provided with the avoidance opening communicated with the hollow channel and the outside, and the gear is adjacent to the avoidance opening to be in transmission connection with the rack.
Specifically, the gear mounting portion has a partition plate provided on a side of the gear facing away from the rack mounting portion.
According to the shutter driving device provided by the embodiment of the invention, the fixing seat is further provided with the driver mounting part, and the driver is mounted on the driver mounting part and is positioned on one side of the end face of the gear.
Specifically, the driver mounting part comprises two mounting holes which are arranged at intervals, and the driver is fixed on the driver mounting part through a fastener penetrating through the mounting holes.
Further, the driver mounting portion further includes a support surface between the two mounting holes, the support surface being higher than the gear mounting portion.
Optionally, the fixing base is further provided with a wiring installation part for fixing the wire harness.
Specifically, a baffle is arranged on one side of the fixing seat adjacent to the driver installation part, and the wiring installation part is formed on the baffle.
Further, the baffle plate protrudes from the driver mounting portion to be enclosed on one side of the driver.
According to the air conditioner, the shutter driving device is adopted, so that the movement amplitude of the shutter is large, the shutter moves uniformly and stably, the air outlet effect is good, and the user experience is good.
According to the embodiment of the invention, the air conditioner further comprises: the shell is limited with an air duct, and the fixing seat is arranged on the shell; the connecting rods are arranged in the air channels, and the plurality of louvers are connected with the connecting rods and are spaced apart along the length direction of the connecting rods.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a shutter driving apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of a shutter driving apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a fixing base according to an embodiment of the present invention in a view angle;
FIG. 4 is a schematic view of a fixing base according to an embodiment of the present invention in another view angle;
FIG. 5 is a schematic view of an assembled structure of a rack and a connecting rod according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of an assembled structure of a shutter and a connecting rod according to an embodiment of the present invention.
Reference numerals:
the shutter driving apparatus 100,
The fixing base 10, the fixing base body 101, the rack mounting part 11, the guide section 1101, the connecting section 1102, the hollow passage 111, the limit rib 112, the limit step 113, the escape opening 114, the gear mounting part 12, the partition 121, the driver mounting part 13, the mounting hole 131, the support surface 132, the wiring mounting part 14, the baffle 15,
A rack 20, a slider 21, a rack body 22, a connecting rod fixing portion 221,
The gear wheel 30 is provided with a plurality of teeth,
The driver 40 is configured to drive the vehicle,
A connecting rod 50, a clamping hook 51 and a shutter 60.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
A shutter driving apparatus 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 6, a shutter driving apparatus 100 according to an embodiment of the present invention includes: a fixed base 10, a rotatable gear 30, a movable rack 20 and a driver 40.
The fixing seat 10 is provided with a rack installation part 11 and a gear installation part 12, the gear 30 is arranged on the gear installation part 12, the rack 20 is arranged on the rack installation part 11, the rack 20 is in transmission connection with the gear 30, the rack 20 is connected with the connecting rod 50 of the shutter 60, the driver 40 is connected with the gear 30, and the driver 40 is used for driving the gear 30 to rotate so as to drive the rack 20, the connecting rod 50 and the shutter 60 to move.
The rack mounting portion 11 defines a hollow channel 111, the hollow channel 111 extends along the length direction of the rack 20, and a portion of the rack 20 is inserted into the hollow channel 111 and can move along the hollow channel 111, so that stability of the rack 20 during movement is improved.
According to the shutter driving device 100 provided by the embodiment of the invention, the shutter driving device 100 is integrated by arranging the mounting parts of all structures on the fixing seat 10, so that the assembly efficiency and the operation reliability of the shutter driving device 100 are improved; the shutter 60 is driven to move by the cooperation of the gear 30 and the rack 20, so that the movement amplitude of the shutter 60 is increased, the transmission is stable, the stress is uniform, and the movement speed of the shutter 60 is uniform; the racks 20 are matched in the hollow channel 111 for movement, so that the stability of the shutter 60 during movement is further improved, and the problem of unstable operation and shaking of the shutter 60 in the prior art is effectively solved; and the shutter driving device 100 has simple structure, is convenient to install and disassemble and assemble, and can be widely popularized and applied.
According to an embodiment of the present invention, the connecting rod 50 is extended along the length direction (up-down direction as shown in fig. 1) of the hollow passage 111, the connecting rod 50 is located at the upper end of the fixing seat 10, and the cross-sectional area of the hollow passage 111 is gradually reduced from top to bottom, so that the cross-sectional area of one end of the hollow passage 111 near to the connecting rod 50 is larger than that of the other end, the movement of the rack 20 in the hollow passage 111 is limited by the hollow passage 111, so that the rack 20 can only pass through a part of the hollow passage 111, and the excessive movement range of the rack 20 is prevented from being separated from the hollow passage 111.
Meanwhile, along the length direction of the hollow channel 111, the cross-sectional area of the hollow channel 111 is gradually reduced, so that the hollow channel 111 forms a pyramid shape, which is beneficial to demolding of a mold in the manufacturing process and is convenient for manufacturing and molding.
In a specific example, the hollow passage 111 is formed Fang Huanxing, at least one wall surface of the hollow passage 111 is inclined surface, and the inclined surface gradually extends toward the center of the hollow passage 111 in a direction from near the connection rod 50 to far from the connection rod 50 along the length direction of the hollow passage 111, for example, as shown in fig. 4, a wall surface on the left side of the hollow passage 111 gradually extends obliquely from top to bottom, a wall surface on the right side of the hollow passage 111 gradually extends obliquely from top to bottom, and further for example, a wall surface on the front side of the hollow passage 111 gradually extends obliquely from top to bottom, and a wall surface on the rear side of the hollow passage 111 gradually extends obliquely from top to bottom, so that a cross-sectional area of one end of the hollow passage 111 near the connection rod 50 is larger than a cross-sectional area of the other end of the hollow passage 111.
As shown in fig. 4, according to one embodiment of the present invention, the wall surface of the hollow channel 111 is provided with a limiting rib 112, the limiting rib 112 extends along the length direction of the hollow channel 111, that is, extends along the vertical direction, and the limiting rib 112 has a certain included angle with the inclined wall surface in the hollow channel 111, so that the inclined wall surface of the hollow channel 111 does not affect the movement of the rack; and when the rack 20 slides, the rack 20 is stopped on the limiting convex rib 112, so that the rack 20 can move along a straight line all the time without shaking or moving.
As shown in fig. 4, in a specific example, the hollow channel 111 forms Fang Huanxing, at least a part of the wall surface of the hollow channel 111 forms a closed annular wall surface, the hollow channel 111 is internally provided with a plurality of limiting ribs 112, the plurality of limiting ribs 112 are arranged at intervals along the circumferential direction of the annular wall surface of the hollow channel 111, and when the rack 20 slides, the plurality of limiting ribs 112 are all abutted against the rack 20, so that the rack 20 is further prevented from shaking or moving in the hollow channel 111.
As shown in fig. 1, according to one embodiment of the present invention, the rack 20 includes a sliding member 21 and a rack body 22, the rack body 22 is disposed on the sliding member 21, the sliding member 21 is adapted to cooperate with a limit rib 112 in the hollow channel 111, so as to slide in the hollow channel 111 and drive the rack body 22 to slide, the rack body 22 is always located in the hollow channel 111 and is not in contact with the wall of the hollow channel 111, the rack body 22 is adapted to cooperate with the gear 30 and is driven by the gear 30 to drive the sliding member 21 to slide in the hollow channel 111, the sliding member 21 is disposed to enable the cooperation of the rack body 22 and the gear 30 to be smoother, meanwhile, shaking or running of the rack body 22 in the hollow channel 111 is avoided, and through the design of the length of the rack body 22, the operation range of the connecting rod 50 and the louver 60 is improved, and the air outlet quantity and air outlet efficiency are improved.
As shown in fig. 4, in some examples, the rack mount 11 includes a guide section 1101 and a connection section 1102, the guide section 1101 and the connection section 1102 being engaged with each other and defining the hollow passage 111, the guide section 1101 being configured to constrain the slider 21, the connection section 1102 being configured to constrain the rack body 22, the connection section 1102 being located on a side of the guide section 1101 proximate to the gear mount 12 to facilitate engagement of the rack body 22 with the gear 30.
The width of the guide section 1101 is greater than the width of the connecting section 1102, and the width of the guide section 1101 is the distance between two opposite side walls of the guide section 1101 in the front-rear direction as shown in fig. 4, the width of the connecting section 1102 is the distance between two opposite side walls of the connecting section 1102, and the limiting step 113 can be formed on the wall surface of the hollow channel 111 by limiting the width of the guide section 1101 and the connecting section 1102 to different sizes, and the limiting step 113 can limit the sliding member 21 and the rack body 22, so that the sliding member 21 is always positioned in the guide section 1101, and the inclination of the sliding member 21 is prevented from affecting the movement of the rack body 22.
As shown in fig. 2 and 3, according to an embodiment of the present invention, the gear mounting portion 12 is disposed on one side of the rack mounting portion 11, the rack mounting portion 11 has an avoidance port 114, and the avoidance port 114 can communicate the hollow channel 111 with the outside, and the gear 30 is disposed at a position adjacent to the avoidance port 114, so that the shutter driving device 100 can be in transmission connection with the rack 20 through the avoidance port 114, and the overall structure of the shutter driving device 100 is more compact, the layout is reasonable, the volume is reduced, and the space utilization is improved.
According to an embodiment of the present invention, the fixing base 10 further has a driver mounting part 13, the driver 40 is mounted on the driver mounting part 13, and the driver 40 is located at one side of the end surface of the gear 30, so that the driver 40 is conveniently connected with the rotation shaft of the gear 30 to drive the gear 30 to rotate.
Specifically, the driver mounting portion 13 includes two mounting holes 131 arranged at intervals, and the driver 40 can be fixed to the driver mounting portion 13 by penetrating fasteners in the mounting holes 131.
As shown in fig. 2, in some examples, the gear mounting portion 12 is provided with a partition plate 121, the partition plate 121 is disposed on a side of the gear 30 facing away from the rack mounting portion 11, the partition plate 121 can play a role in protecting the gear 30, meanwhile, the partition plate 121 separates the mounting hole 131 from the gear 30, the upper surface of the partition plate 121 can play a role in supporting the driver 40, vibration is reduced, the overall structure is more compact, the layout is more reasonable, assembly is facilitated, and the use of the shutter driving device 100 is safer.
As shown in fig. 2, the driver mounting portion 13 further includes a supporting surface 132, the supporting surface 132 is located between the two mounting holes 131, when the driver 40 is mounted, a part of the driver 40 contacts with the supporting surface 132, the supporting surface 132 can support the driver 40, strength of the whole structure is improved, meanwhile, the driver 40 is prevented from vibrating too much in the working process, and the height of the supporting surface 132 is higher than that of the gear mounting portion 12, so that mutual interference between mounting of the gear 30 and mounting of the driver 40 is avoided.
As shown in fig. 1, in some examples, the fixing base 10 further has a wire mounting portion 14, where the wire mounting portion 14 is used to fix a wire harness of the components such as the driver 40, and the wire mounting portion 14 is disposed at an outer periphery of the fixing base 10, that is, a position away from the driver 40, so as to ensure that the wire harness of the driver 40 is not interfered by the components such as the driver 40.
In some examples, the fixing base 10 further has a baffle 15, the baffle 15 is located adjacent to the driver mounting portion 13, the baffle 15 protrudes from the driver mounting portion 13, so that the baffle can be arranged on one side of the driver 40 in a surrounding manner to play a certain role in protecting the driver 40, the routing mounting portion 14 is formed on one side of the baffle 15 away from the driver mounting portion 13, and the routing mounting portion 14 is located on a portion of the baffle 15 protruding from the driver mounting portion 13, so that connection with the driver 40 protruding from the upper surface of the driver mounting portion 13 is facilitated, and wire harness arrangement is more reasonably ordered.
In some alternative examples, the supporting surface 132 extends along a plane where the front end of the partition 121 is located, and extends onto the baffle 15 to be connected with the baffle 15, so that the end of the partition 121 and the middle of the baffle 15 are connected with the supporting surface 132, and the supporting surface 132 extends to a position where the two mounting holes 131 are located, so that the two mounting holes 131 are formed on the supporting surface 132, and the supporting surface 132 can also play a supporting role on the partition 121 and the baffle 15, thereby further improving the structural stability of the shutter driving device 100.
As shown in fig. 2, in still other examples, the support surface 132 is connected to a portion of the partition 121, and the support surface 132 extends to one mounting hole 131 and is spaced apart from the other mounting hole 131, i.e., the baffle 15 and the partition 121 have a partially hollow structure therebetween, which simplifies the structure, reduces the cost, and simplifies the manufacturing process, facilitating mold release.
According to the air conditioner provided by the embodiment of the invention, the shutter driving device 100 is adopted, so that the movement amplitude of the shutter 60 is large, the movement of the shutter 60 is uniform and stable, the air outlet effect is good, and the user experience is good.
According to an embodiment of the present invention, the air conditioner further includes a housing and a connection rod 50, the housing defines an air duct, the connection rod 50 is disposed in the air duct, a plurality of louvers 60 are connected with the connection rod 50, and the plurality of louvers 60 are spaced apart along a length direction of the connection rod 50, and the fixing base 10 is mounted at an end of the housing, so that the louver driving device 100 is connected with an end of the connection rod 50, and the connection rod 50 is driven to move in the air duct, thereby increasing a movement range of the louvers 60 and improving operational stability of the louvers 60.
A specific embodiment of an air conditioner according to the present invention will be described with reference to fig. 1 to 6.
The air conditioner includes casing, tripe 60, connecting rod 50 and tripe drive arrangement 100, and the casing is limited with the wind channel, and connecting rod 50 sets up in the wind channel, and a plurality of tripes 60 are connected with connecting rod 50, and the tripe 60 is spaced apart along the length direction of connecting rod 50, and tripe drive arrangement 100 includes fixing base 10, gear 30, rack 20 and driver 40.
The rack 20 comprises a sliding piece 21 and a rack body 22, the rack body 22 is arranged on the sliding piece 21, the length of the rack body 22 is larger than that of the sliding piece 21, a connecting rod fixing portion 221 is arranged at the upper end of the rack body 22, a clamping hook 51 is arranged at the lower end of the connecting rod 50 and is clamped with the connecting rod fixing portion 221, the rack 20 is connected with the connecting rod 50 and the shutter 60, the rack 20 is connected with the gear 30 in a transmission manner, and the driver 40 is connected with a rotating shaft of the gear 30 and used for driving the gear 30 to rotate, so that the rack 20, the connecting rod 50 and the shutter 60 are driven to move.
The fixing base 10 has a fixing base body 101, a rack mounting portion 11, a gear mounting portion 12, a driver mounting portion 13, a wiring mounting portion 14 and a baffle 15, the fixing base body 101 is fixed on the end face of the lower end of the housing by two screws, the rack mounting portion 11 is perpendicular to the plane where the fixing base body 101 is located, the gear mounting portion 12, the driver mounting portion 13 and the baffle 15 are located on the front side of the fixing base body 101 and protrude out of the front side surface of the fixing base body 101, namely, each mounting portion is located in the same plane perpendicular to the plane where the fixing base body 101 is located, so that the rack 20 and the gear 30 can be assembled conveniently.
The rack mount 11 includes a guide section 1101 and a connection section 1102, the connection section 1102 is located at the right side of the guide section 1101, the guide section 1101 and the connection section 1102 are fastened to each other to define a hollow passage 111, the hollow passage 111 extends in the up-down direction, the rack 20 is mounted in the hollow passage 111, wherein a limit step 113 is provided between the guide section 1101 and the connection section 1102 so that the slider 21 is limited in the guide section 1101, and the rack body 22 is limited in the connection section 1102.
As shown in fig. 4, the hollow passage 111 has four wall surfaces, each of which forms an inclined surface, and the wall surface on the left side of the hollow passage 111 extends obliquely from top to bottom and gradually right in the up-down direction, the wall surface on the right side of the hollow passage 111 extends obliquely from top to bottom and gradually left, the wall surface on the front side of the hollow passage 111 extends obliquely from top to bottom and gradually backward, and the wall surface on the rear side of the hollow passage 111 extends obliquely from top to bottom and gradually forward, so that the cross-sectional area of the upper end of the hollow passage 111 is larger than the cross-sectional area of the lower end of the hollow passage 111.
The inner wall surface of the guide section 1101 is provided with a plurality of spacing ribs 112, the plurality of spacing ribs 112 are arranged at intervals along the circumferential direction of the inner wall surface of the guide section 1101, each spacing rib 112 extends along the up-down direction, the spacing ribs 112 and the wall surface of the hollow channel 111 have a certain included angle, and the spacing ribs 112 are suitable for stopping with the sliding piece 21 when the rack 20 slides.
The rack body 22 is always located in the hollow channel 111 defined by the connecting section 1102 and is not in contact with the connecting section 1102, the connecting section 1102 is provided with an avoidance port 114, the avoidance port 114 can communicate the hollow channel 111 with the outside, the gear installation part 12 is located on the right side of the avoidance port 12, the rotating shaft of the gear 30 is installed on the gear installation part 12, and gear teeth of the gear 30 are meshed with the rack body 22 through the avoidance port 12.
The driver mounting portion 13 includes two mounting holes 131 and a supporting surface 132 arranged at intervals, the two mounting holes 131 are located on two sides of the gear mounting portion 12, a partition plate 121 is arranged between the gear mounting portion 12 and the mounting holes 131, the partition plate 121 forms a semi-annular shape extending along the circumferential direction of the gear 30, the supporting surface 132 extends to one mounting hole 131, the left side of the supporting surface 132 is connected with a part of the partition plate 121, the right side of the supporting surface 132 is connected with a part of the baffle 15, a part of the driver 40 is in contact with the supporting surface 132, and the driver 40 is fixed on the driver mounting portion 13 by penetrating fasteners in the mounting holes 131.
The baffle 15 protrudes from the driver mounting portion 13, and the trace mounting portion 14 is disposed on the right side of the baffle 15 and is located on a portion of the baffle 15 protruding from the driver mounting portion 13, so that a wire harness on the trace mounting portion 14 is connected with the driver 40 protruding from the surface of the driver mounting portion 13.
The driver 40 is connected with the rotating shaft of the gear 30, the gear 30 rotates under the driving of the driver 40, the rack body 22 is meshed with the gear 30 and slides in the hollow channel 111 in cooperation with the sliding piece 21, so that the connecting rod 50 and the shutter 60 are driven to move up and down, the movement amplitude of the shutter 60 is increased, the transmission is stable, the stress is uniform, and the movement speed of the shutter 60 is uniform; effectively solves the problems of unstable operation and shaking of the shutter 60 in the prior art; the shutter driving device 100 has a simple structure, is convenient to install and disassemble, and can be widely popularized to air conditioners.
Other constructions and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (15)
1. A shutter driving apparatus, comprising:
The fixing seat is provided with a gear installation part and a rack installation part;
a rotatable gear provided at the gear mounting portion;
The movable rack is arranged on the rack mounting part and is in transmission connection with the gear, and the rack is used for connecting the connecting rod of the shutter;
The driver is connected with the gear and used for driving the gear to rotate, and the rack mounting part is used for limiting a hollow channel extending along the length direction of the rack;
The cross-sectional area of the hollow passage gradually decreases along the length direction thereof from approaching the connecting rod to separating from the connecting rod; at least a part of the inner wall surface of the hollow channel is provided with an annular wall surface, the annular wall surface of the hollow channel is provided with a limiting convex rib extending along the length direction of the annular wall surface, and a certain included angle is formed between the limiting convex rib and the inclined wall surface in the hollow channel and is used for stopping the rack when the rack slides.
2. The blind driving apparatus according to claim 1, wherein at least one wall surface of said hollow passage forms a slope extending gradually toward a center of said hollow passage in a direction from approaching to and separating from said connecting rod along a length direction thereof.
3. The blind drive of claim 1 wherein said spacing ribs include a plurality of said spacing ribs spaced circumferentially along the annular wall of said hollow channel.
4. The blind driving device according to claim 1, wherein the rack includes a slider and a rack body provided on the slider, the rack mounting portion includes a guide section and a connecting section provided on a side of the guide section near the gear mounting portion,
The guide section and the connecting section are buckled with each other to define the hollow channel, the guide section is used for restraining the sliding piece, and the connecting section is used for restraining the rack body.
5. The blind driving apparatus according to claim 4, wherein the guide section has a width larger than that of the connecting section to form a limit step on a wall surface of the hollow passage.
6. The blind driving apparatus according to any one of claims 1 to 5, wherein the gear mounting portion is provided on one side of the rack mounting portion,
The rack installation part is provided with an avoidance port communicated with the hollow channel and the outside, and the gear is adjacent to the avoidance port to be in transmission connection with the rack.
7. The blind driving apparatus according to claim 6, wherein said gear mounting portion has a spacer provided on a side of said gear facing away from said rack mounting portion.
8. The blind driving apparatus according to claim 1, wherein the fixing base further has a driver mounting portion on which the driver is mounted on one side of an end face of the gear.
9. The blind drive of claim 8 wherein said driver mounting portion includes two spaced mounting holes, said driver being secured to said driver mounting portion by fasteners passing through said mounting holes.
10. The blind drive of claim 9 wherein said driver mounting portion further comprises a support surface between two of said mounting holes, said support surface being taller than said gear mounting portion.
11. The blind driving apparatus according to claim 8, wherein the fixing base further has a wiring mounting portion for fixing the wire harness.
12. The blind driving device according to claim 11, wherein a baffle plate is provided on a side of the fixing base adjacent to the driver mounting portion, and the trace mounting portion is formed on the baffle plate.
13. The blind driving apparatus of claim 12 wherein said baffle plate projects from said actuator mounting portion to enclose one side of the actuator.
14. An air conditioner comprising a shutter driving apparatus according to any one of claims 1 to 13.
15. The air conditioner as set forth in claim 14, further comprising:
the shell is limited with an air duct, and the fixing seat is arranged on the shell;
The connecting rods are arranged in the air channels, and the plurality of louvers are connected with the connecting rods and are spaced apart along the length direction of the connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517926.2A CN109520106B (en) | 2018-12-12 | 2018-12-12 | Shutter driving device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517926.2A CN109520106B (en) | 2018-12-12 | 2018-12-12 | Shutter driving device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109520106A CN109520106A (en) | 2019-03-26 |
| CN109520106B true CN109520106B (en) | 2024-06-25 |
Family
ID=65796345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811517926.2A Active CN109520106B (en) | 2018-12-12 | 2018-12-12 | Shutter driving device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109520106B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB527709A (en) * | 1939-04-11 | 1940-10-15 | Beckett Laycock & Watkinson | Improvements in sliding windows, shutters and like panels |
| CN207936434U (en) * | 2018-03-07 | 2018-10-02 | 广东美的制冷设备有限公司 | Wind-guiding driving mechanism and air conditioner |
| CN209445563U (en) * | 2018-12-12 | 2019-09-27 | 广东美的制冷设备有限公司 | Blinds driving device and air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6848213B1 (en) * | 2001-11-26 | 2005-02-01 | Ronald L. Swapp | Louver mechanism for shutter |
| JP2007162976A (en) * | 2005-12-12 | 2007-06-28 | Fujitsu General Ltd | Driving device and air conditioner with the driving device |
| CN205202718U (en) * | 2015-10-27 | 2016-05-04 | 苏云西 | Ventilation device of public transport |
| KR102500804B1 (en) * | 2016-01-28 | 2023-02-17 | 엘지전자 주식회사 | louver for airconditioner |
-
2018
- 2018-12-12 CN CN201811517926.2A patent/CN109520106B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB527709A (en) * | 1939-04-11 | 1940-10-15 | Beckett Laycock & Watkinson | Improvements in sliding windows, shutters and like panels |
| CN207936434U (en) * | 2018-03-07 | 2018-10-02 | 广东美的制冷设备有限公司 | Wind-guiding driving mechanism and air conditioner |
| CN209445563U (en) * | 2018-12-12 | 2019-09-27 | 广东美的制冷设备有限公司 | Blinds driving device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109520106A (en) | 2019-03-26 |
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