CN207880948U - A kind of transmission mechanism and air conditioner indoor unit of air conditioner indoor unit - Google Patents

Abstract

The utility model discloses a kind of transmission mechanism of air conditioner indoor unit and air conditioner indoor unit, the transmission mechanism, including support base, support pedestal, driving rack and support cover board, the support base is fixedly installed with panel, driving rack setting is between support pedestal and support cover board, the movement chamber of the sliding rail being arranged on support cover board and the formation driving rack of support pedestal cooperation, driving rack setting is fastenedly connected after the movement intracavitary, support cover board and support pedestal grafting positioning.The utility model is reasonable for structure, stretching motion and the rotational motion of door-plate are realized by the setting of two driving devices, ensure the stability and reliability of driving rack movement, it supports between cover board and support pedestal through fixed mode again after grafting, the convenience and efficiency for improving transmission mechanism assembly, further decrease the probability that door-plate breaks down during the motion.

Description

A kind of transmission mechanism and air conditioner indoor unit of air conditioner indoor unit

Technical field

The utility model is related to air-conditioning device technical fields, and in particular to a kind of transmission mechanism and air-conditioning of air conditioner indoor unit Indoor unit.

Background technology

Round floor standing air-conditioner device disclosed in the prior art, including cabinet air-conditioner main body, it is being located at cabinet air-conditioner main body just Two transmission mechanisms of face upper and lower ends and the sliding door being mounted on transmission mechanism, the cabinet air-conditioner main body close to upper end and Lower end interior location is separately installed with a motor, is filled on motor shaft there are one gear, the transmission mechanism includes and the tooth Rack, the reinforcing rib above rack and two between the reinforcing rib hanging plates of engagement are taken turns, described rack one end is also There are one bearings for band.But the device has the Electricity Federation line setting of transmission mechanism at random, is easy to loosen, influences cabinet air-conditioner Normal use.

Application No. is the patent application documents of CN201720236231.1 to disclose a kind of air conditioner air-out window assembly, such as schemes Shown in 14, but in this application, it can not ensure that driving device smoothly can drive sliding door to be driven, and after closing Sliding door and cabinet-type air conditioner shell between can leakproofness, always be also those skilled in the art's technical problem to be solved.

Utility model content

In view of the above technical problems, the utility model discloses in a kind of transmission mechanism of air conditioner indoor unit and air conditioning chamber Machine.

What the technical solution of the utility model was realized in：

A kind of transmission mechanism of air conditioner indoor unit, including support base, support pedestal, driving rack and support cover board, institute The support base stated is fixedly installed with panel, card line clamp device is arranged on transmission mechanism, card line clamp device is configured as will be electric On line carries out horizontal direction and is fixed vertically and/or vertically to horizontal steering, and driving rack setting is supporting pedestal and supporting cover board Between, driving rack is fixedly connected with door-plate, and the sliding rail being arranged on support cover board and the formation of support pedestal cooperation pass The movement chamber of carry-over bar, driving rack setting are fastened after the movement intracavitary, support cover board and support pedestal grafting positioning Connection.

Preferably, the first idler wheel is set on driving rack, the cooperation of the first idler wheel is contacted with the bottom surface of sliding rail, the One idler wheel is capable of the rotational motion of the bottom surface of relative sliding track.

Further, the first roller fastener is set on driving rack, pockets are set in the first roller fastener, the The rotation axis of one idler wheel is interference fitted with the pockets.

Preferably, it is provided with the second roller fastener on driving rack, the second idler wheel is fixed in the second roller fastener, The rotation axis of second idler wheel and the rotation axis of the first idler wheel are vertically arranged, and the second idler wheel can turn along the lateral sidewall of sliding rail It is dynamic.

Further, drive rack is more in the first idler wheel and the second idler wheel being arranged close to the side of sliding rail It is a.

Preferably, the receiving track being arranged on support pedestal accommodates track with sliding rail along support cover board and branch The contact surface for supportting pedestal is symmetrical arranged.

Further, the driving rack includes driving rack outer wall and driving rack inner wall, and driving rack outer wall is matched That closes is fixedly connected with door-plate, in the corresponding setting driving cog in side far from driving rack outer wall on driving rack inner wall, passes Moving teeth cooperation engages connection with the first connection gear, and driving rack is arranged between driving rack outer wall and driving rack inner wall Connection wall is both provided with the first idler wheel and the second idler wheel in the both sides of driving rack connection wall.

Preferably, the height H of driving cog, height h of the central axes away from driving cog adjacent surface of the rotation axis of the first idler wheel, H:The ratio of h takes the value in 0.5~6 range.

Further, motor accommodating chamber is set on support cover board, driving motor, driving electricity is set in motor accommodating chamber Machine drives driving rack to do circumferential movement in movement intracavitary, and driving motor is fixedly connected by connecting plate for electric motor with support cover board, Second driving device is set in support base, and opposite support base can be front and back under the effect of the second driving device for support pedestal Movement.

Compared with the prior art, the transmission mechanism of air conditioner indoor unit described in the utility model has the advantage that：

The utility model is reasonable for structure, realizes that the stretching motion of door-plate and rotation are transported by the setting of two driving devices Dynamic, so that air conditioner is when not in use, air outlet is closed, and dust or sundries is avoided to enter from the gap of air outlet The normal use of air conditioner is influenced, the card line clamp device being arranged on transmission mechanism pacifies the control line between driving device Entirely, effective comb is fixed, and avoids that line fault occurs in use, to influence the normal use of air conditioner；Into one Step, in support cover board and the orbit space for supporting the movement chamber formed between pedestal to be moved as driving rack, ensure transmission The stability and reliability of rack movement support between cover board and support pedestal by the way that fixed mode, raising pass again after grafting The convenience and efficiency of motivation structure assembly, further decrease the probability that door-plate breaks down during the motion.

Another of the utility model is designed to provide a kind of air conditioner indoor unit, including air conditioner indoor unit described above Transmission mechanism, air outlet is set on panel, and transmission device is realized out under the action of control circuit by the movement of door-plate Air port opens or closes.

Possessed advantage is identical compared with the existing technology with the transmission mechanism of air conditioner indoor unit for the air conditioner indoor unit, This is repeated no more.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is air conditioner indoor unit exhaust apparatus structural schematic diagram described in the utility model；

Fig. 2 is the schematic top plan view of air conditioner indoor unit exhaust apparatus described in the utility model；

Fig. 3 is the structural schematic diagram that air conditioner indoor unit transmission mechanism described in the utility model supports cap；

Fig. 4 is the structure of the support cap and support pedestal assembly of air conditioner indoor unit transmission mechanism described in the utility model Schematic diagram；

Fig. 5 is the structural schematic diagram of the A nodes of Fig. 3；

Fig. 6 is the structural representation at the second visual angle that air conditioner indoor unit transmission mechanism described in the utility model supports cap Figure；

Fig. 7 is the forward sight structural schematic diagram of driving rack described in the utility model；

Fig. 8 is the side structure schematic view of driving rack described in the utility model；

Fig. 9 is the second visual angle side structure schematic view of driving rack described in the utility model；

Figure 10 is the structural schematic diagram of card line described in the utility model folder；

Figure 11 is the structural schematic diagram described in the utility model for crossing line card button；

Figure 12 is the structural schematic diagram of driving motor described in the utility model；

Figure 13 is the structural schematic diagram of driving motor support base described in the utility model；

Figure 14 is the attached drawing of the prior art；

Wherein：1- panels；2- door-plates；3- support bases；4- supports pedestal；5- driving racks；501- driving rack outer walls； 502- driving rack inner walls；503- driving rack connection walls；6- supports cover board；The first connection gears of 7-；8- motor accommodating chambers；9‐ Sliding rail；The first card lines of 10- are pressed from both sides；The first accommodates plates of 1001-；The second accommodates plates of 1002-；1003- card lines press from both sides holding tank；11‐ First limiting plate；The first guide grooves of 12-；13- drives gear holding tank；14- second drives gear；The second card lines of 15- are pressed from both sides；16‐ Line outlet；17- wiring grooves；The second limiting plates of 18-；19- grooves；20- the first card line columns；21- the second card line columns；22- third cards Terminal；23- positioning columns；24- fixing chuck plates；25- driving motors；2501- connecting plate for electric motor；2502- mounting holes；26- drive shafts； 27- first drives gear；28- crosses line card button；2801- first accommodates wall；2802- second accommodates wall；2803- retraction slots；2804‐ Cable-through hole；The first roller fasteners of 29-；The first idler wheels of 30-；The second roller fasteners of 31-；32- driving cogs；The second idler wheels of 33-； A- transmission devices.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not under the premise of making the creative labor The every other embodiment obtained, shall fall within the protection scope of the present invention.

Embodiment 1, as shown in Fig. 1~6,13, the utility model discloses a kind of transmission mechanisms of air conditioner indoor unit, including Support base 3, support pedestal 4, driving rack 5 and support cover board 6, the support base 3 are fixedly installed with panel 1, support The opposite support base 3 under the effect of the second driving device of pedestal 4 can move forward and backward, the setting of driving rack 5 support pedestal 3 with Between supporting cover board 6, driving rack 5 is fixedly connected with door-plate 2, and driving rack 5 is under the action of first driving means along cunning Dynamic rail road 9 rotates movement, and card line clamp device is arranged on transmission mechanism, and card line clamp device is configured to connect with driving device Electricity Federation line to carry out horizontal direction vertical and/or fixed vertically to horizontal steering.

Preferably, wiring groove 17,17 one end of wiring groove and Electricity Federation line fixing end unicom are set on support cover board 6, it is another The steering end unicom at end and Electricity Federation line, Electricity Federation line fixing end turn to the both sides that end is separately positioned on motor accommodating chamber 8 with Electricity Federation line, In Electricity Federation, the first card line folder 10 is arranged in the steering end of line, and line card was provided on the line of Electricity Federation and buckles 28, crosses line card button 28 and first The 10 cooperation assembly of card line folder, realizes that the first time of Electricity Federation line turns to.

Further, as some embodiments of the utility model, the wiring groove 17 setting is separate in support cover board 6 The first limiting plate 11, the cunning is arranged at support one side edge of the cover board 6 far from sliding rail 9 in the side for supporting pedestal 4 Dynamic rail road 9 is configured to the tracks of driving rack 5, the second limiting plate 18 cooperation being arranged on support cover board 6 with first Limiting plate 11 forms wiring groove 17.

Preferably, the wiring groove 17 includes multiple wire segments, as shown in the arrow of Fig. 4 China, in support 6 energy of cover board Enough linear, dog-ears or special-shaped arrangement, as some embodiments of the utility model, wiring groove 17 includes in the setting of angle shape Two wire segments.

Further, setting positioning column 23 and fixing chuck plate 24 on support cover board 6, positioning column 23 and Electricity Federation line fixing end The plug connection of cooperation, fixing chuck plate 24 limits the clamping of the Electricity Federation line fixing end cooperation after grafting, to very easily The positioning of Electricity Federation line fixing end is fixed in realization.

Preferably, card line column device is set on the first limiting plate 11, and card line column device is by with for in wiring groove 17 Electricity Federation line is limited.

The card line column device includes multiple card line columns, as some embodiments of the utility model, card line column device Including the first card line column 20, the second card line column 21, third card line column 22, to repeatedly be limited to the Electricity Federation line in wiring groove 17, Avoid the problem that Electricity Federation line in wiring groove 17 due to turning or it is long cause to fall off in use, to ensure Electricity Federation The fixation that line is stablized in wiring groove 17.

Further, groove 19 is set on the first limiting plate 11, and the groove 19 is arranged right with motor accommodating chamber 8 The position answered, the setting are convenient for the Electricity Federation line with the driving motor 25 being arranged in motor accommodating chamber 8 easily and efficiently to be torn open It unloads.

Preferably, second card line is set in side of the support base 3 far from support pedestal 4 and presss from both sides 15, second card line 15 are pressed from both sides to be configured as Electricity Federation line realizing second of steering, the second wiring groove being arranged on the second card line folder 15 and support base 3 Unicom, the other end and 16 unicom of line outlet of the second wiring groove, to realize the connection of Electricity Federation line and electric-control system, which makes Electricity Federation line can be stably fixed in wiring groove, avoid Electricity Federation line from loosening in use or at random in air conditioning chamber The normal use of machine brings adverse effect.

Further, the first card line folder 10 is integrally formed with support cover board 6 and is arranged, the second card line folder 15 and support base 3 It is integrally formed setting, the first card line folder 10 and the second card line folder 15 are in same or similar structure design.

Preferably, first card line folder 10 includes the first accommodates plate 1001 and the second accommodates plate 1002, is held first It receives and forms card line folder holding tank 1003 between plate 1001 and the second accommodates plate 1002.

Further, the line card button 28 of crossing includes multiple receiving walls, as some embodiments of the utility model, mistake Line card button 28 includes that the first receiving wall 2801 and second accommodates wall 2802, and cable-through hole 2804 is arranged on crossing line card button 28, crosses line Hole 2804 is configured as passing through on Electricity Federation line, and first, which accommodates wall 2801 and/or second, accommodates holding with card line folder for the cooperation of wall 2802 Slot 1003 of receiving assembles, which discloses a kind of line card buckle structure excessively, realizes the mating connection of Electricity Federation line and card line clamp device, if The multiple receiving walls set can be same shape, can also be different shape, disclosure satisfy that and different card lines are arranged in different type of machines The demand of clamp device, to improve the applicability of the utility model.

Preferably, retraction slot 2803 is set on crossing line card button 28, and retraction slot 2803 is arranged in two adjacent receiving walls Between, which further increased the convenience and applicability of line card button 28 and the assembly of card line clamp device.

As some embodiments of the utility model, as shown in figs. 1-13, the sliding rail 9 being arranged on support cover board 6 The movement chamber of the formation driving rack 5 coordinated with support pedestal 4, the setting of driving rack 5 in the movement intracavitary, support cover board 6 with It is fastenedly connected after support 4 grafting of pedestal positioning, as some embodiments of the utility model, supports cover board 6 and support base Being fastenedly connected for body 4 is connected using screw, and driving rack 5 is engaged by the first connection gear 7 and connected, and the first connection gear 7 is logical The driving motor 25 being arranged in motor accommodating chamber 8 to be crossed to be driven, the other side of driving rack 5 is fixedly connected with door-plate 2, from And it realizes door-plate 2 and is moved under the drive of driving rack 5 along moving chamber.

Preferably, the first idler wheel 30, the bottom surface with sliding rail 9 of the first idler wheel 30 cooperation are set on driving rack 5 On the one hand the rotational motion of contact, the setting ensure that the transmission that driving rack 5 is stablized in movement chamber, on the other hand decrease The frictional resistance of driving rack 5 during the motion improves the reliability that the driving door-plate 2 of driving motor moves.

Further, the first roller fastener 29 is set on driving rack 5, is accommodated in the setting of the first roller fastener 29 recessed Slot, the rotation axis of the first idler wheel 30 are interference fitted with the pockets, which discloses and fix first on a kind of driving rack 5 The mode of idler wheel 30 assembles convenient, stable transmission.

Preferably, it is provided with the second roller fastener 31 on driving rack 5, second is fixed in the second roller fastener 31 Idler wheel 33, the rotation axis of the second idler wheel 33 and the rotation axis of the first idler wheel 30 are vertically arranged, and the second idler wheel 33 can be along sliding The lateral sidewall of track 9 rotates, as some embodiments of the utility model, rotation axis and the first connection gear of the second idler wheel 33 7 rotation axis is arranged in parallel, and the first idler wheel 30 does the rotational motion of vertical direction along sliding rail 9, the second idler wheel 33 along Sliding rail 9 does the rotational motion of horizontal direction, which further improves the stability of the movement of driving rack 5, avoids passing Carry-over bar 5 shakes during the motion, also further reduces the frictional resistance of driving rack 5 during the motion, improves and drives The reliability that the driving door-plate 2 of dynamic motor moves.

Further, drive rack 5 is equal in the first idler wheel 30 being arranged close to the side of sliding rail 9 and the second idler wheel 33 It is multiple.As some embodiments of the utility model, close to the first of the setting of the side of sliding rail 9 on driving rack 5 Idler wheel 30 is three, close on driving rack 5 respectively in each setting one in position and close intermediate position close to both sides Second idler wheel 33 of the side setting of sliding rail 9 is two, is respectively arranged one by the position of two close end on driving rack 5 respectively A, which further improves the stability and reliability of the movement of driving rack 5.

Further, the corresponding and 9 symmetrically arranged receiving track of sliding rail on support pedestal 4, in driving rack 5 It is also equipped with the first roller fastener 29, the first idler wheel 30, the second roller fastener 31, second close to the side of support pedestal 4 Idler wheel 33, as some embodiments of the utility model, both sides are arranged on driving rack 5 the first roller fastener 29, the One idler wheel 30, the second roller fastener 31,33 structure of the second idler wheel are in that symmetry shape is arranged accordingly, which further increases biography Carry-over bar 5 ensures that door-plate 2 meets work requirements in rotation, improves the biography in the stability and reliability of movement intracavitary transmission The service life of motivation structure.

As some embodiments of the utility model, the driving motor 25 includes drive shaft 26, drive shaft 26 and the One driving gear 27 is fixedly connected, and the first driving gear 27 engages connection with the first connection gear 7, also or is drive shaft 26 The rotation of the first connection gear 7 is directly driven, connecting plate for electric motor 2501 is set on driving motor 25, on connecting plate for electric motor 2501 Mounting hole 2502 is set, which discloses a kind of fixed form of driving motor 25, can be good at driving the first tooth connection Wheel 7 drives driving rack 5 to be rotated in turn.

Preferably, the connecting plate for electric motor 2501 being arranged on driving motor 25 is multiple, which ensure that driving motor The stability of connection.

As some embodiments of the utility model, the driving rack 5 includes driving rack outer wall 501 and driving cog Inner wall 502, what driving rack outer wall 501 coordinated is fixedly connected with door-plate 2, far from driving cog on driving rack inner wall 502 The corresponding setting driving cog 32 in side of outer wall 501, what driving cog 32 coordinated engages connection with the first connection gear 7, is passing Driving rack connection wall 503, the first roller fastener 29, first are set between carry-over bar outer wall 501 and driving rack inner wall 502 Idler wheel 30, the second roller fastener 31, the second idler wheel 33 are arranged in driving rack connection wall 503, in driving rack connection wall 503 are provided with ribbed stiffener, further strengthen the first roller fastener 29,31 fixed stability of the second roller fastener, avoid In use due to being caused to deform by external force.

As some embodiments of the utility model, the 5 arc-shaped setting of driving rack, driving rack 5 is driving Circumference divertical motion is done under the drive of device, and support cover board 6 is assemblied in driving rack 5 and supports the movement chamber of the formation of pedestal 4 When interior work, the central axes of the rotation axis of the height H of driving cog 32 and the first idler wheel 30 are away from the height h of 32 adjacent surface of driving cog Higher, then what the driving moment of driving motor was more prone to is transmitted to driving rack 5, can preferably drive driving rack 5 into Row movement is still increased with the height H of driving cog 32, and driving rack 5 is more prone to shake in movement intracavitary, causes to pass Carry-over bar 5 moves unstable, in fact it could happen that and the failures such as get stuck, to influence the experience of user, for balance of both reaching, The concept of balance parameters is introduced, balance parameters μ, the balance parameters μ empirically, are defined as：

U=2.626e^-0.15H/h-2.6e^-1.323H/h

Height h by the rotation axis of the first idler wheel 30 compared with 32 adjacent surface of driving cog is fixed, with the height H of driving cog 32 Increase, the relationship between the balance parameters and H/h is as shown in the table：

Table one

The central axes of the rotation axis of the height H of driving cog 32 and the first idler wheel 30 are away from 32 neighboar lists of driving cog as shown in Table 1 For the ratio of the height h in face between 0.5~6, the numerical value of balance parameters is all higher than 1, and showing driving rack 5 when in use has very Good stability and reliability, the ratio of further H/h is preferably 2.

Further, the value range of some test examples according to the present utility model, h is 5mm~30mm, and the setting is just In processing, cost is reduced.

As some embodiments of the utility model, the second driving motor, the second driving electricity are provided in support base 3 Machine drives the second driving gear 14 to rotate, and driving gear holding tank 13 is arranged close to the position of support base 3 in support pedestal 4, First guide groove 12 is set on support pedestal 4, and the cooperation of the first guide groove 12 is contacted with the directive wheel being arranged in support base 3 Limit, so that driving gear holding tank 13 moves forward and backward under the induced effect of the second driving gear 14 so that support Pedestal 4 can be slided with respect to support base 3.

As some embodiments of the utility model, the driving motor 25 is with the second driving motor using identical solid Determine mode to be fixed.

The Electricity Federation line of the driving motor 25 and the second driving motor that are arranged in motor accommodating chamber 8 passes through above-mentioned wire structures The line outlet 16 being finally arranged from support base 3 exports, and realizes driving motor 25 and the second driving motor and electric-control system Unicom.

As some embodiments of the utility model, the invention also discloses a kind of air conditioner room units, including upper Air outlet is arranged on panel 1 in the transmission mechanism stated, and two transmission device A, transmission device is arranged in the both sides up and down of air outlet A realizes opening or closing for air outlet under the action of control circuit by the movement of door-plate 2.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (10)

1. a kind of transmission mechanism of air conditioner indoor unit, it is characterised in that：Including support base (3), support pedestal (4), driving cog Item (5) and support cover board (6), the support base (3) are fixedly installed with panel (1), and card line is arranged on transmission mechanism and presss from both sides Device, card line clamp device are configured as Electricity Federation line progress horizontal direction is vertical and/or are fixed vertically to horizontal steering, driving cog Item (5) setting is between support pedestal (4) and support cover board (6), and driving rack (5) is fixedly connected with door-plate (2), in Supporting cover The movement chamber for the formation driving rack (5) that the sliding rail (9) being arranged on plate (6) coordinates with support pedestal (4), driving rack (5) setting is fastenedly connected after the movement intracavitary, support cover board (6) and support pedestal (4) grafting positioning.

2. a kind of transmission mechanism of air conditioner indoor unit according to claim 1, it is characterised in that：On driving rack (5) First idler wheel (30) is set, and the first idler wheel (30) cooperation is contacted with the bottom surface of sliding rail (9), and the first idler wheel (30) being capable of phase Bottom surface rotational motion to sliding rail (9).

3. a kind of transmission mechanism of air conditioner indoor unit according to claim 2, it is characterised in that：Driving rack is set on (5) Set the first roller fastener (29), the first roller fastener (29) be arranged pockets, the rotation axis of the first idler wheel (30) with The pockets are interference fitted.

4. a kind of transmission mechanism of air conditioner indoor unit according to claim 1 or 2 or 3, it is characterised in that：In driving rack (5) it is provided with the second roller fastener (31) on, the second idler wheel (33), the second idler wheel are fixed in the second roller fastener (31) (33) rotation axis and the rotation axis of the first idler wheel (30) are vertically arranged, and the second idler wheel (33) can be along sliding rail (9) Lateral sidewall rotates.

5. a kind of transmission mechanism of air conditioner indoor unit according to claim 4, it is characterised in that：Drive rack (5) by The first idler wheel (30) and the second idler wheel (33) of the side setting of nearly sliding rail (9) are multiple.

6. a kind of transmission mechanism of air conditioner indoor unit according to claim 1, it is characterised in that：On support pedestal (4) It is symmetrical along support cover board (6) and the contact surface of support pedestal (4) with sliding rail (9) to accommodate track for the receiving track of setting Setting.

7. a kind of transmission mechanism of air conditioner indoor unit according to claim 4, it is characterised in that：The driving rack (5) include driving rack outer wall (501) and driving rack inner wall (502), driving rack outer wall (501) cooperation with door-plate (2) It is fixedly connected, in the corresponding setting driving cog in side far from driving rack outer wall (501) on driving rack inner wall (502) (32), what driving cog (32) coordinated engages connection with the first connection gear (7), in driving rack outer wall (501) and driving rack Driving rack connection wall (503) is set between inner wall (502), first is both provided in the both sides of driving rack connection wall (503) Idler wheel (30) and the second idler wheel (33).

8. a kind of transmission mechanism of air conditioner indoor unit according to claim 7, it is characterised in that：The height of driving cog (32) H, the central axes of the rotation axis of the first idler wheel (30) are away from the height h, H of driving cog (32) adjacent surface:The ratio of h takes 0.5~6 Value in range.

9. a kind of transmission mechanism of air conditioner indoor unit according to claim 4, it is characterised in that：On support cover board (6) Motor accommodating chamber (8) is set, and the setting driving motor (25) in motor accommodating chamber (8), driving motor (25) drives driving rack (5) circumferential movement is done in movement intracavitary, driving motor (25) passes through connecting plate for electric motor (2501) and the fixed company of support cover board (6) It connects, the second driving device, support pedestal (4) opposite support bottom under the effect of the second driving device is set in support base (3) Seat (3) can move forward and backward.

10. a kind of air conditioner indoor unit, it is characterised in that：It is arranged just like air conditioner indoor unit described in claim 1~9 any one Transmission mechanism, is arranged air outlet on panel (1), and transmission device passes through the movement of door-plate (2) reality under the action of control circuit Reveal opening or closing for air port.