JP4096442B2 - Air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air conditioner, and more specifically, a suction portion that is opened and closed by a plurality of suction louvers is provided on the front surface of the main body, and the design is improved by closing the suction louver when the operation is stopped. The present invention relates to a structure in which the suction louver is opened to improve the operation efficiency, and in particular, a structure in which a slide plate that interlocks the plurality of suction louvers is not detached from a louver driving unit that drives the suction louver.
[0002]
[Prior art]
For example, as shown in FIG. 1, FIG. 2 (A), and FIG. 2 (B), a conventional air conditioner is provided with a suction port 2 at the front upper portion of the main body 1 or at the upper portion, and a blower outlet at the lower portion of the front surface. 3, a heat exchanger 4 and a blower fan 5 are provided in an air passage connecting the suction port 2 and the blower port 3, and the suction panel 6 constituting the suction port 2 on the front surface of the main body 1 is rotatable. A plurality of suction louvers 7 which are pivotally supported so as to conceal the suction port 2 in the first state and are opened vertically so as to open the suction port 2 in the second state. It has an interlocking part to be interlocked and a louver drive part that is linked to the interlocking part and moves it up and down.
The interlocking portion includes a linkage arm 7a erected on each of the plurality of suction louvers 7, a linkage portion 8a linked to the distal end portion of the linkage arm 7a, and a linkage hole 8b linked to the louver drive portion. And a slide plate 8 held by the suction panel 6 so as to be movable up and down. The louver drive portion is linked with the distal end portion of the linkage hole 8b, while the connection portion 9a is formed at the proximal end portion. The cam 9 is composed of a drive motor 10 having a drive shaft 10a connected to a connecting portion 9a of the cam 9.
[0003]
However, when the suction panel 6 that holds the slide plate 8 so as to be movable up and down is deformed in a direction away from the front panel constituting the main body 1 due to, for example, thermal deformation, the linkage hole 8b of the slide plate 8 is provided. Therefore, there is a possibility that the plurality of suction louvers 7 may not be operated due to the separation of the cam 9 and thus holding means for holding the cam 9 so as not to be detached from the linkage hole 8b of the slide plate 8 is provided. It was desired.
[0004]
[Problems to be solved by the invention]
In the present invention, in view of the above problems, a suction portion that is opened and closed by a plurality of suction louvers is provided on the front surface of the main body, and the suction louver is closed in the operation stop state to enhance the design, and in the operation state, the suction louver. In particular, the present invention provides an air conditioner in which the slide plate that interlocks the plurality of suction louvers is not separated from the louver driving unit that drives the suction louvers. With the goal.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a suction port at the front upper part and / or upper part of the main body, a blower outlet at the lower part of the front, and a heat exchanger and a blower fan in an air passage connecting the suction port and the blower outlet. Provided,
Said suction port and concealed in the first state, and a plurality of suction louvers arranged to open the suction port in the second state, the interlocking portion for interlocking of the same plurality of suction louvers, in the interlocking unit And a louver drive unit that moves up and down in coordination ,
The interlocking portion has a slide plate that is held in a vertically movable manner with a linkage hole linked to the louver drive portion,
The louver drive unit is driven by a drive motor and has an air conditioner having a cam whose tip is linked to the linkage hole.
The distal end portion of the cam, the holding means the tip is held so as not to leave the peripheral portion of the connection hole is provided, the side walls of the retaining means is an inclined surface which is flared outwardly It has a configuration.
[0006]
Further, the holding means comprises a holding section having a concave cross section formed on the upper and lower surfaces of the tip of the cam, and accommodates at least the side wall surface of the holding portion in contact with the peripheral edge of the linkage hole. It is the composition which was made to do.
[0008]
Further, at least the upper and lower peripheral edge portions of the linkage hole are provided with protrusion portions having a substantially triangular cross section protruding forward, and the side wall surface on the front end side of the holding portion is extended forward corresponding to the protrusion portion. It has a configuration.
[0009]
In addition, the holding means is formed of a locking portion that is formed on the top and bottom surfaces of the tip of the cam and locks to at least the top and bottom outer peripheral edges of the linkage hole.
[0010]
Moreover, the said latching | locking part becomes a structure formed in the obtuse angle shape with respect to the upper and lower surfaces of the said cam.
[0011]
Further, at least the upper and lower peripheral edge portions of the linkage hole are provided with a protruding portion having a substantially triangular cross section protruding forward, and the locking portion extends forward corresponding to the protruding portion. .
[0012]
The holding means includes a holding pin protruding from at least one side surface of the cam tip portion, and a cutout portion formed in a substantially central side of the linkage hole corresponding to the holding pin. The holding plate inserted through the portion is configured to prevent the slide plate from being detached from the cam.
[0013]
Further, the holding pin protrudes from both side surfaces of the cam front end portion, and the corresponding cutout portions are formed at both side portions at the substantially vertical center of the linkage hole.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail as examples based on the drawings.
1, 2, 3 (A) and 3 (B), 4 and 4 (B), 5, 6 (A) and 6 (B), and 7. In (A), FIG. 7 (B), FIG. 8, FIG. 9 (A), and FIG. 9 (B), 1 is an air conditioner main body, 2 is provided in the front upper part and / or upper part of the main body 1 , 3 is a blower outlet provided in the lower part of the front surface, 4 is a heat exchanger provided in an air passage connecting the suction port 2 and the blower outlet 3, 5 is a blower fan, and 6 is the main body 1. A suction panel 7, which is attached to the front part of the front panel and which constitutes the suction port 2 at the upper front of the main body 1, is pivotally supported on the suction panel 6 by a support shaft part a so as to be rotatable. The suction ports 2 are concealed in the state, and a plurality of suction louvers arranged vertically so as to open the suction port 2 in the second state. A later-described interlocking unit for interlocking the plurality of suction louvers 7 is linked, and the interlocking unit is linked to a later-described louver driving unit that is linked to the interlocking unit and moves it up and down. ing.
[0015]
The interlocking portion for interlocking the plurality of suction louvers 7 includes a linking arm 7a erected on each of the plurality of suction louvers 7, and a linking portion 8a linked to the tip of the linking arm 7a. A louver drive unit that is provided with a linking hole 8b that is linked to the part and is held by the suction panel 6 so as to be movable up and down. An air conditioner comprising a cam 9 having a connecting portion 9a formed at the base end portion and a drive motor 10 having a driving shaft 10a connected to the connecting portion 9a of the cam 9 while the distal end portion is linked to 8b. In
The distal end portion of the cam 9 is provided with holding means to be described later for retaining the distal end portion of the cam 9 so as not to be detached from the peripheral edge portion of the linkage hole 8b.
As a result, as in the prior art described above, the slide plate is arranged such that there is no possibility that the cam 9 is detached from the linkage hole 8b of the slide plate 8 and the plurality of suction louvers 7 do not operate. The eight linkage holes 8b can be held so as not to be detached from the cam 9.
[0016]
Further, as shown in FIGS. 2, 3A and 3B, the holding means for holding the cam 9 so as not to be detached from the linkage hole 8b, as shown in FIGS. 9 includes a holding portion 9b having a concave cross section formed on the upper and lower surfaces of the tip end portion, and is configured to accommodate at least the side wall surface on the tip end side of the holding portion 9b in contact with the peripheral edge portion of the linkage hole 8b. And
Accordingly, the cam 9 can be accurately held so that the linkage hole 8b of the slide plate 8 is not likely to be detached from the cam 9.
[0017]
Further, the both side walls of the holding portion 9b are composed of inclined surfaces whose outer sides are expanded, as shown by an angle Θ shown in FIG.
As a result, both side walls of the holding portion 9b can be accurately brought into contact with the peripheral edge portion of the linkage hole 8b, and there is no possibility that the linkage hole 8b of the slide plate 8 is detached from the cam 9. As described above, the cam 9 can be held more accurately.
[0018]
Further, as shown in FIGS. 4A and 4B as a second embodiment, a projecting portion 8c having a substantially triangular cross section projecting forward is provided on at least the upper and lower peripheral portions of the linkage hole 8a. On the other hand, the side wall surface on the front end side of the holding portion 9b is configured to extend forward corresponding to the protruding portion 8c,
As a result, the cam 9 can be more accurately held so that the linkage hole 8b of the slide plate 8 is not likely to be detached from the cam 9.
[0019]
In addition, as shown in FIGS. 5, 6A, and 6B, the holding means for holding the cam 9 so as not to disengage from the linkage hole 8b, as shown in FIGS. 9 is formed of a locking portion 9c that is formed on the top and bottom surfaces of the front end portion, and that locks at least the upper and lower outer peripheral edges of the linkage hole 8b.
As a result, as in the case of the first embodiment described above, the cam 9 can be accurately held so that the linkage hole 8b of the slide plate 8 is not likely to be detached from the cam 9. It becomes the structure made.
[0020]
In addition, the locking portion 9c is configured to have an obtuse angle with respect to the upper and lower surfaces of the cam 9, as shown by an angle Θ 'shown in FIG.
As a result, similar to the case of the first embodiment described above, both side walls of the holding portion 9b can be accurately brought into contact with the peripheral edge portion of the linkage hole 8b. The structure is such that the linkage hole 8b can be more accurately held by the cam 9 so that the linkage hole 8b is not separated from the cam 9.
[0021]
Further, as shown in FIGS. 7A and 7B as a fourth embodiment, a projecting portion 8c having a substantially triangular cross section projecting forward is provided on at least the upper and lower peripheral portions of the linkage hole 8b. On the other hand, it has a configuration that extends forward the locking portion 9c corresponding to the protruding portion 8c,
As a result, as in the case of the second embodiment described above, the cam 9 can hold the link plate 8b of the slide plate 8 more accurately so that the linkage hole 8b is not likely to be detached from the cam 9. This is the structure.
[0022]
In addition, as shown in FIGS. 8, 9A, and 9B, the holding means for holding the cam 9 so as not to be detached from the linkage hole 8b, 9 includes a holding pin 9d projecting from at least one side surface of the tip, and a notch 8d formed in a substantially central side of the linkage hole 8b corresponding to the holding pin 9d. The slide plate 8 is configured not to be detached from the cam 9 by the inserted holding pin 9d.
Thus, as in the case of the first embodiment to the fourth embodiment described above, the cam 9 is arranged so that the linkage hole 8b of the slide plate 8 is not likely to be detached from the cam 9. Therefore, the structure can be held accurately.
[0023]
Further, the holding pin 9d protrudes on both side surfaces of the tip end portion of the cam 9, and the corresponding notch portions 8d are formed on both side portions of the upper and lower approximate centers of the linkage hole 8b. And
As a result, the cam 9 can be more accurately held so that the linkage hole 8b of the slide plate 8 is not likely to be detached from the cam 9.
[0024]
In addition, the first embodiment to the fifth embodiment described above can achieve a predetermined effect by selecting any embodiment or combining a plurality of embodiments. This is the configuration.
[0025]
With the above structure, FIG. 1, FIG. 2, FIG. 3 (A) and FIG. 3 (B), FIG. 4 and FIG. 4 (B), FIG. 5, FIG. ), FIG. 7 (A) and FIG. 7 (B), FIG. 8, FIG. 9 (A) and FIG. 9 (B), the interlocking part for interlocking the plurality of suction louvers 7 The suction panel includes a linkage arm 7a erected on each of the plurality of suction louvers 7, a linkage portion 8a linked to a tip portion of the linkage arm 7a, and a linkage hole 8b linked to a louver drive unit described later. 6 and a slide plate 8 that is held up and down so as to move up and down. A louver drive unit that is linked to the linkage unit and moves up and down is linked to the linkage hole 8b. An air conditioner comprising a cam 9 having a connecting portion 9a formed thereon and a drive motor 10 having a driving shaft 10a connected to the connecting portion 9a of the cam 9. Oite,
The distal end portion of the cam 9 is provided with holding means to be described later for retaining the distal end portion of the cam 9 so as not to be detached from the peripheral edge portion of the linkage hole 8b.
As a result, as in the prior art described above, the slide plate is arranged such that there is no possibility that the cam 9 is detached from the linkage hole 8b of the slide plate 8 and the plurality of suction louvers 7 do not operate. Thus, the air conditioner is configured such that the cam 9 can be held so as not to be detached from the eight linkage holes 8b.
[0026]
【The invention's effect】
As described above, according to the present invention, the suction portion that is opened and closed by the plurality of suction louvers is provided on the front surface of the main body, and the design is improved by closing the suction louver in the operation stop state, and the suction louver in the operation state. In particular, the air conditioner is configured such that the slide plate that interlocks the plurality of suction louvers does not separate from the louver driving unit that drives the suction louvers.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an air conditioner according to the present invention and a conventional example.
FIG. 2 is an exploded perspective view of a main part showing a first embodiment of an air conditioner according to the present invention.
FIG. 3 is a cross-sectional view of the main part showing a state where the cam and the linkage hole are linked according to the first embodiment. FIG. 3A shows the linkage state when the suction port is concealed in the first state. B) shows a linkage state when the suction port is opened in the second state.
FIG. 4 is a cross-sectional view of an essential part showing a state in which the cam and the linkage hole are linked according to the second embodiment, (A) shows the linkage state when the suction port is concealed in the first state; B) shows a linkage state when the suction port is opened in the second state.
FIG. 5 is an exploded perspective view of main parts showing a third embodiment of an air conditioner according to the present invention.
FIG. 6 is a cross-sectional view of an essential part showing a state in which the cam and the linkage hole are linked according to the third embodiment, (A) shows the linkage state when the suction port is concealed in the first state; B) shows a linkage state when the suction port is opened in the second state.
FIG. 7 is a cross-sectional view of the main part showing a state where the cam and the linkage hole are linked according to the fourth embodiment, (A) shows the linkage state when the suction port is concealed in the first state; B) shows a linkage state when the suction port is opened in the second state.
FIG. 8 is an exploded perspective view of main parts showing a fifth embodiment of an air conditioner according to the present invention.
FIG. 9 is a cross-sectional view of the main part showing a state where the cam and the connecting hole are linked according to the fifth embodiment, wherein (A) shows the linked state when the suction port is concealed in the first state; B) shows a linkage state when the suction port is opened in the second state.
10A and 10B are explanatory views of a main part of an air conditioner according to a conventional example, in which FIG. 10A is an exploded perspective view, and FIG. 10B is a cross-sectional view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Suction inlet 3 Outlet 4 Heat exchanger 5 Blower fan 6 Suction panel 7 Suction louver
7a Linking arm 8 Slide plate
8a Linkage
8b Linkage hole
8c Protrusion
8d Notch 9 cam
9a Connection
9b Holding part
9c Locking part
9d retaining pin
10 Drive motor
10a Drive shaft a Support shaft

Claims (8)

The front upper part of the main body and / or the upper part is provided with a suction port, the front lower part is provided with a blower outlet, a heat exchanger and a blower fan are provided in an air passage connecting these suction port and the blower outlet,
Said suction port and concealed in the first state, and a plurality of suction louvers arranged to open the suction port in the second state, the interlocking portion for interlocking of the same plurality of suction louvers, in the interlocking unit And a louver drive unit that moves up and down in coordination ,
The interlocking portion has a slide plate that is held in a vertically movable manner with a linkage hole linked to the louver drive portion,
The louver drive unit is driven by a drive motor and has an air conditioner having a cam whose tip is linked to the linkage hole.
The distal end portion of the cam, the holding means the tip is held so as not to leave the peripheral portion of the connection hole is provided, the side walls of the retaining means is an inclined surface which is flared outwardly An air conditioner characterized by that.   The holding means comprises a holding section having a concave cross section formed on the upper and lower surfaces of the tip of the cam, and accommodates at least the side wall surface of the holding portion in contact with the peripheral edge of the linkage hole. The air conditioner according to claim 1, wherein the air conditioner is used.   Protruding portions having a substantially triangular cross section projecting forward are provided on at least the upper and lower peripheral edge portions of the linkage holes, and the side wall surface on the front end side of the holding portion is extended forward corresponding to the projecting portions. The air conditioner according to claim 1 or 2, characterized in that.   2. The air conditioner according to claim 1, wherein the holding unit includes a locking portion that is formed on the top and bottom surfaces of the tip end portion of the cam and that locks at least the top and bottom outer peripheral edges of the linkage hole.   The air conditioner according to claim 4, wherein the locking portion is formed in an obtuse angle with respect to the upper and lower surfaces of the cam.   A protrusion having a substantially triangular cross section protruding forward is provided on at least the upper and lower peripheral edges of the linkage hole, and the engaging portion extends forward corresponding to the protrusion. The air conditioner according to claim 4 or 5.   The holding means includes a holding pin protruding from at least one side surface of the cam tip portion, and a cutout portion formed on a side portion of the link hole corresponding to the holding pin at substantially the upper and lower sides. The air conditioner according to claim 1, wherein the slide plate is prevented from being detached from the cam by the inserted holding pin.   8. The holding pin is provided so as to project from both side surfaces of the cam front end portion, and the corresponding notch portions are formed at both side portions at substantially the center in the vertical direction of the linkage hole. Air conditioner.

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