JP5579487B2 - Air outlet control knob - Google Patents

Description

  The present invention relates to an air outlet operation knob that is disposed at an air outlet of an air conditioner and is attached to a fin that adjusts the air direction of air.

  In general, a plurality of fins are arranged so as to be interlocked via links or the like at an air outlet of an air conditioner provided in a vehicle. An operation knob is attached to a specific fin among these fins. By picking this knob and operating it appropriately, it is possible to adjust the wind direction from the air outlet by interlocking the fins. It has become.

  In the following Patent Document 1, an operation knob is provided on a front fin (louver) that adjusts the air direction of air blown from an air outlet, and is slidable in the longitudinal direction, and the operation knob is provided in front of the front fin. A vehicle wind direction adjusting device provided with an elastic spacer made of an elastic body pressed against an edge is disclosed. The operation knob includes an upper surface plate, a lower surface plate, and a connecting portion that connects them, and has a shape with an open front side. The operation knob is externally mounted on the fin, and an escutcheon (finisher) is attached to the front side opening to improve the appearance.

JP 2002-192939 A

  The escutcheon in Patent Document 1 has a pair of protrusions projecting from the center of the inner surface, and a wide protrusion projecting from the center of the inner surface of the escutcheon in another embodiment, and is made of synthetic resin. It has become.

  However, the operation knob attached to the fin is a part that repeatedly receives hot air and cold air from the air conditioner. Therefore, if the escutcheon on the front of the operation knob is made of synthetic resin, it will not be able to maintain the specified dimensions due to deformation or sagging due to heating and cooling, resulting in looseness in the escutcheon, resulting in operability of the operation knob, etc. There was a risk of trouble.

  Accordingly, an object of the present invention is to provide an air outlet operation knob that can suppress the thermal deformation, heat sag, etc. of the escutcheon on the front side of the operation knob and can attach the escutcheon to the knob body without rattling. There is.

In order to achieve the above object, an air outlet operation knob of the present invention is an operation knob that is disposed at an air outlet of an air conditioner and is attached to a fin that adjusts the air direction of air, and is disposed in the direction of the air outlet. A synthetic resin knob body having a concave groove along the longitudinal direction on the front surface and provided with concave portions on both side surfaces located in the longitudinal direction of the front surface, and both longitudinal end portions extending in a predetermined length Is made of a metal plate bent to fit the corner between the front surface and both side surfaces of the knob body, and the both ends are engaged with the recesses of the knob body so as to cover the recessed grooves The escutcheon has a return portion that engages with the recess, which is formed by bending a predetermined length at the tip of the bent both ends of the metal plate inward at an acute angle. On the front side of the knob body Widthwise cross section perpendicular to the longitudinal direction of the front portion to be location, while forming a curved, the width direction cross section of the return part is characterized in that a curved free plate shape.
Another of the air outlet operation knobs of the present invention is an operation knob that is disposed at the air outlet of the air conditioner and is attached to a fin that adjusts the air direction of the air, and is a front face that is disposed in the direction of the air outlet. A knob body made of a synthetic resin having concave grooves along the longitudinal direction and having recesses on both side surfaces located in the longitudinal direction of the front surface, and both ends in the longitudinal direction extending at a predetermined length. The metal plate is bent to fit the corner between the front and both sides of the main body, and the both ends are engaged with the concave portions of the knob main body so as to cover the concave grooves. An escutcheon, and the escutcheon has a return portion that engages with the concave portion, which is formed by bending a predetermined length portion of the bent ends of the metal plate inward at an acute angle, The tip of the return part is folded back further outward And said that you are.
Still another of the air outlet operation knobs of the present invention is an operation knob that is disposed at the air outlet of the air conditioner and is attached to a fin that adjusts the air direction of the air, and is disposed in the direction of the air outlet. A knob body made of a synthetic resin having concave grooves along the longitudinal direction on the front surface and provided with recesses on both side surfaces located in the longitudinal direction of the front surface, and both longitudinal ends thereof extending at a predetermined length It consists of a metal plate bent to fit the corners between the front and both sides of the knob body, and is fitted so that the both ends are engaged with the recesses of the knob body and the grooves are covered. The knob main body has a columnar support portion that is in contact with the inner surface of the escutcheon only at the tip of the knob main body at substantially the center in the longitudinal direction of the concave groove.

  In the air outlet operation knob of the present invention, it is preferable that the escutcheon is made of spring steel having elasticity.

In the air outlet operating knob of the present invention, recesses formed on both sides of the front Symbol knob body has an inner surface positioned on the positive side and the inner surface opposed thereto, the tip of the return portion of the escutcheon It is preferable that end portions on the bending side are in contact with and engaged with the respective inner surfaces.

In the air outlet operating knob of the present invention, before Symbol knob body has a support portion which the inner surface of the escutcheon in the longitudinal direction middle portion of the groove abuts the escutcheon is the return part in the recess It is preferable that it is mounted so as to be brought into pressure contact with the support portion of the knob body by being engaged.

  In the air outlet operation knob of the present invention, it is preferable that at least one surface treatment selected from shot blasting, plating, painting, resin coating, and hairline processing is performed on the surface side of the escutcheon.

  According to the present invention, it is possible to mount the escutcheon so as to cover the concave groove of the knob body by engaging both longitudinal ends of the escutcheon made of a metal plate with the recesses of the knob body.

  And even if the operation knob is repeatedly heated and cooled by hot air or cold air blown from the air outlet, the escutcheon is formed from a metal plate, so it is not easily affected by deformation, sag, etc. due to heat, An escutcheon can be attached to the knob body for a long time without looseness.

It is a perspective view which shows the state which attached the air blower outlet operation knob which concerns on this invention to the fin of the air conditioner. It is a perspective view at the time of seeing from the back side of FIG. It is a perspective view which shows 1st Embodiment of the air blower outlet operation knob which concerns on this invention. The air blower operation knob is shown, (a) is the longitudinal cross-sectional view, (b) is sectional drawing in the bb arrow line of (a), (c) is cc arrow of (a). It is sectional drawing in a shown line. The state of the attachment of the escutcheon to the knob body is shown, (a) is an explanatory view showing the first step, (b) is an explanatory view showing the second step, and (c) is an explanatory view showing the third step. . The attachment state of the escutcheon to the knob main body is shown, (a) is explanatory drawing which shows a 4th process, (b) is explanatory drawing which shows a 5th process. The attachment state of the escutcheon to the knob main body is shown, (a) is explanatory drawing which shows a 6th process, (b) is explanatory drawing which shows a 7th process. It is principal part expanded sectional explanatory drawing which shows 2nd Embodiment of the air blower outlet operation knob which concerns on this invention. It is principal part expanded sectional explanatory drawing which shows 3rd Embodiment of the air blower outlet operation knob which concerns on this invention. It is principal part expanded sectional explanatory drawing which shows 4th Embodiment of the air blower outlet operation knob which concerns on this invention. It is principal part expanded sectional explanatory drawing which shows 5th Embodiment of the air blower outlet operation knob which concerns on this invention. The 6th Embodiment of the air blower outlet operation knob which concerns on this invention is shown, (a) is the principal part expanded sectional explanatory drawing, (b) is an expansion perspective view of the longitudinal direction both ends of an escutcheon. It is principal part expanded sectional explanatory drawing which shows 7th Embodiment of the air blower outlet operation knob which concerns on this invention.

  Hereinafter, with reference to FIGS. 1-7, 1st Embodiment of the air blower outlet operation knob which concerns on this invention is described.

  As shown in FIG. 1, this air outlet operation knob 10 (hereinafter referred to as “operation knob 10”) is disposed, for example, at an air outlet of an air conditioner provided in the vehicle, and adjusts the air direction of air. It is attached to the fin.

  As shown in FIGS. 1 and 2, the air conditioner has a case 1 that is disposed on an instrument panel or the like of a vehicle and has an open front and back. A horizontal fin 3 extending in the horizontal direction is rotatably supported by a support shaft (not shown) at the air outlet 2 at the front opening of the case 1, and a plurality of the horizontal fins 3 are arranged at predetermined intervals. In this embodiment, an operation knob 10 is attached to one of these lateral fins 3. The plurality of horizontal fins 3 are connected to each other by a horizontal fin link 4 (see FIG. 1), and a predetermined horizontal fin 3 is rotated in the vertical direction of the air outlet 2 via an operation knob 10. Accordingly, the other horizontal fins 3 are also turned up and down in conjunction with the movement.

  A vertical fin 5 extending in the vertical direction is pivotally supported by a support shaft (not shown) on the back side of the air outlet 2 with respect to the horizontal fin 3, and a plurality of the vertical fins 5 are arranged at predetermined intervals. As shown in FIG. 2, an operating bar 7 extending in the vertical direction is provided on a side surface of the predetermined vertical fin 5. The operation bar 7 is sandwiched between bifurcated operation pieces 26 and 26 of the operation knob 10 described later. The plurality of vertical fins 5 are connected to each other by vertical fin links 6 (see FIG. 2). Therefore, when the operation knob 10 is slid to the left and right along the longitudinal direction of the horizontal fin 3, the predetermined vertical fin 5 is rotated in the left and right direction of the air outlet 2, and the other vertical fins 5 are also interlocked therewith. It is designed to rotate left and right.

  And the operation knob 10 attached to a specific fin (this embodiment horizontal fin 3) is provided with the knob main body 20 made from a synthetic resin, and the escutcheon 30 with which it is mounted | worn.

  As shown in FIG. 3, the knob body 20 is connected to a pair of plate bodies 21 and 21 having a substantially rectangular plate shape via a connecting portion 22, and fin mounting holes 25 and 25 are opened on both sides thereof. Yes. A concave groove 23 along the longitudinal direction is formed on the front surface of the knob body 20 arranged in the air outlet direction. As shown in FIGS. 5 and 6, concave portions 24 each having an inner surface 24 a located on the front side and an inner surface 24 b facing the front surface are provided on both side surfaces located in the longitudinal direction of the front surface of the knob body 20. Yes. Further, a pair of operating pieces 26, 26 extend in a bifurcated manner from the back surface of one plate body 21 of the knob body 20. Further, a pair of projecting portions 23a, 23a project from a predetermined position in the longitudinal direction of the concave groove 23 at a height that does not reach the inner surface of the escutcheon 30 (see FIGS. 5 to 7).

  On the other hand, the escutcheon 30 is formed by appropriately bending an elongated strip-shaped metal plate extending at a predetermined length, and both longitudinal ends 32 and 33 thereof are corners between the front surface and both side surfaces of the knob body 20. It is made of a metal plate bent so as to be fitted to the portion, and its both end portions 32 and 33 are engaged with the concave portions 24 and 24 of the knob body 20 so as to cover the concave groove 23. It is designed to improve the appearance.

  The escutcheon 30 in this embodiment has a front portion 31 extending at a predetermined length. As shown in FIGS. 3 and 4A, the front portion 31 has a shape in which a gentle curved surface is drawn from the center in the longitudinal direction on the front side toward both ends in the longitudinal direction. As a result, the front portion 31 has a shape that fits into the concave groove 23 of the knob body 20, and the front portion 31 is prevented from protruding or retracting into the concave groove 23, and the appearance of the operation knob 10 is further improved. Improve. Moreover, as shown in FIG.4 (b), in the width direction cross-sectional shape orthogonal to the longitudinal direction of the front part 31, the gentle curved surface is comprised from the center to the width direction both-sides edge. As a result, the rigidity of the front portion 31 can be ensured, the appearance of the operation knob 10 can be improved, the touch when the operation knob 10 is gripped is improved, and the operational feeling is improved.

  Moreover, the longitudinal direction both sides of the said front part 31 comprise the both ends 32 and 33 bent so that the corner | angular part between the front of the said knob main body 20 and both side surfaces may be fitted. As shown in FIG. 4A, both end portions 32 and 33 are parallel to each other, and the cross-sectional shape thereof is not shown, but is the same as the cross-sectional shape shown in FIG. In addition, a gentle curved surface is formed from the center to both side edges in the width direction.

  Further, the escutcheon 30 in this embodiment includes return portions 32a and 33a formed by bending the predetermined length portions of the ends of the both end portions 32 and 33 inwardly (inner side of both end portions 32 and 33). (See FIG. 3 and FIG. 4A). As shown in FIG. 7B, when the respective return portions 32a and 33a are inserted into the recesses 24 of the knob body 20, the tips thereof come into contact with the inner surface 24a on the front side of the recesses 24, and the end portions on the bent side are Abutting against the opposing inner surface 24 b of the recess 24, the return portions 32 a and 33 a of the end portions 32 and 33 engage with the recess 24, and the escutcheon 30 can be mounted without backlash. The width H1 (see FIG. 4A) along the longitudinal direction of the end portions 32, 33 between the bent side end portions 32b, 33b of the return portions 32a, 33a and the tip ends 32c, 33c is the recess 24. Is set to be longer than the width H2 (see FIG. 5A) between the front-side inner surface 24a and the inner surface 24b opposite thereto.

  Moreover, as shown in FIG.4 (c), the cross-sectional shape of the return parts 32a and 33a differs from the front part 31 and the both-ends parts 32 and 33, and has comprised the rectangular cross section, ie, the flat plate shape without a curve. Thus, by making the return portions 32a and 33a have a rectangular cross section, the contact areas of the tips 32c and 33c and the bent side end portions 32b and 33b with respect to the inner surfaces 24a and 24b of the recess 24 are compared with the case where the bent portions are bent. Thus, the escutcheon 30 can be securely attached to the knob body 20 without any backlash.

  The escutcheon 30 is a spring steel imparted with a spring property by applying heat treatment to stainless steel, carbon-based, silicon-manganese-based, manganese-chromium-based, chromium-vanadium-based or other iron-based alloys, or shape memory alloys such as nickel titanium. , Metal materials such as phosphor bronze, beryllium copper, etc., and further, plated steel sheets, etc., plated with zinc, nickel, etc. on metal plates made of such metals can be used, and spring steel should be used Is preferred. When the escutcheon 30 is made of spring steel, the escutcheon 30 can be elastically deformed. Therefore, even if there is a dimensional variation or the like in the escutcheon 30 or the knob body 20 made of synthetic resin, the escutcheon 30 is absorbed. Can be attached to the knob body 20 without play. In addition, the said spring steel is a meaning including what improved spring performance by cold processing or heat processing, even if it is stainless steel etc.

  Furthermore, it is preferable that the surface side of the escutcheon 30 is subjected to at least one surface treatment selected from shot blasting, plating, painting, resin coating, and hairline processing. According to this, since the surface side of the escutcheon 30 is subjected to a predetermined surface treatment such as shot blasting, plating, or painting, the appearance of the escutcheon 30 can be further improved. In addition, after performing the base treatment which changes the surface roughness on the escutcheon surface side by shot blasting or the like, plating or the like can be performed. In this case, the texture can be changed as compared with the case where plating or the like is directly applied to the escutcheon surface side. The hairline processing is used when finishing a matte or non-gloss product, and is a processing method for applying countless fine patterns of hair in one direction. This hairline processing is performed by a brushing method using a hairline processing machine such as a hand grinder or a scratch.

  Next, the function and effect of the operation knob 10 will be described. First, with reference to FIGS. 5-7, the attachment procedure to the knob main body 20 of the escutcheon 30 in this embodiment is demonstrated.

  That is, as shown in FIGS. 5A and 5B, the return portions 32a and 33a of the both end portions 32 and 33 of the escutcheon 30 are formed so that the corner portions outside the recesses 24 and 24 of the knob body 20 are tapered. The one end 32 is pushed toward the knob body 20 while abutting against the protrusions 27 and 27.

  Then, the return portion 32a of the one end portion 32 of the escutcheon 30 is bent and deformed so as to be expanded while being guided by the tapered surface of the protrusion 27 (see FIG. 5C).

  When the escutcheon 30 is still pushed in, the portion located on the side portion of the front portion 31 bends outward and the bent side end portion 32b slides outward on the inner surface 24b of the recess 24 (FIG. 6A). When the end 32 is further expanded and the tip 32c of the return portion 32a gets over the protrusion 27, the extended end 32 is elastically restored, and the return portion 32a enters the recess 24. The tip 32c contacts the inner surface 24a on the front side of the recess 24, and the bent end 32b of the return portion 32a contacts the inner surface 24b of the recess 24. Thus, the return portion 32a of the one end portion 32 is engaged with the recess 24 (see FIG. 6B).

  Thereafter, as shown in FIG. 7A, the other end portion 33 of the escutcheon 30 is also pushed toward the knob body 20 with a finger or the like, so that the return portion of the other end portion 33 is the same as described above. 33 a also engages with the recess 24. In this way, as shown in FIG. 7B, the escutcheon 30 can be attached to the knob body 20 with the front portion 31 entering the concave groove 23 and covering the concave groove 23.

  As described above, when the escutcheon 30 is attached to the knob body 20, the escutcheon 30 is appropriately bent and deformed. At this time, since there is a gap between the inner surface of the escutcheon 30 and the concave groove 23, the bending deformation of the escutcheon 30 is not restricted and can be bent and deformed relatively freely, thereby improving the mounting workability.

  It should be noted that the end portions 32 and 33 of the escutcheon 30 can be pushed in at the same time to engage the return portions 32a and 33a with the recesses 24 and 24.

  And even if the operation knob 10 is repeatedly heated and cooled by hot air or cold air blown from the air outlet 2, the escutcheon 30 is formed of a metal plate, so that there is no influence of deformation, sag, etc. due to heat. It is difficult to receive, and the escutcheon 30 can be attached to the knob body 20 without looseness for a long time.

  Moreover, in this embodiment, since the return parts 32a and 33a bent inside are provided in the longitudinal direction both ends 32 and 33 of the escutcheon 30, when the escutcheon 30 is pushed in, the return parts 32a and 33a become the knob body. Since it is inserted into the protrusion 27 on the outer side of the recess 20 while being pushed and spread, it can be attached by a simple operation of pushing the escutcheon 30 toward the knob body 20. The mounting workability of 30 can be improved.

  Further, by inserting the return portions 32a, 33a of the escutcheon 30 into the recesses 24, 24 of the knob body 20, the tips 32c, 33c abut against the inner surface 24a on the front side of the recess 24, and the end portions on the bent side Since 32b and 33b contact | abut the inner surface 24b which the recessed part 24 opposes, and each return part 32a and 33a each engages with the recessed parts 24 and 24, the escutcheon 30 can be attached to the knob main body 20 without backlash.

  As shown in FIGS. 1 and 2, the back side of the operation knob 10 assembled as described above is pushed toward a predetermined lateral fin 3, and the lateral fin 3 is inserted into the fin mounting opening 25 (see FIG. 3). Can be attached to the horizontal fin 3 so as to be slidable in the left-right direction. Then, by rotating the operation knob 10 up and down, the plurality of horizontal fins 3 are rotated, and by sliding the operation knob 10 to the left and right, the plurality of vertical fins 5 are rotated and the horizontal fins are rotated. 3 and the rotation angle of the vertical fin 5 can be appropriately changed to adjust the air direction of the air from the air outlet 2.

  In this embodiment, as shown in FIG. 7B, in the state where the escutcheon 30 is attached to the knob body 20, the longitudinal ends 32 and 33 are engaged and supported by the recesses 24 and 24 in the longitudinal direction. The middle in the longitudinal direction is not supported at all, and a gap is formed between the inner surface of the escutcheon 30 and the groove 23. Therefore, when the escutcheon 30 is formed of an elastic material such as spring steel, the front portion 31 of the escutcheon 30 is elastically deformed when the operation knob 10 is gripped and a finger comes into contact with the escutcheon 30. , Finger contact is improved and operational feeling can be improved.

  FIG. 8 shows a second embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The air outlet operation knob 10a (hereinafter referred to as “operation knob 10a”) according to this embodiment has a pair of protrusions at a height that does not reach the inner surface of the escutcheon 30 in the middle of the concave groove 23 of the knob body 20 in the longitudinal direction. Portions 23b and 23b are projected. Here, the protrusions 23b and 23b are close to the inner surface of the escutcheon 30 through a small gap of about 0.2 to 0.4 mm between the inner surface of the escutcheon 30 and the upper ends of the protrusions 23b and 23b. It is confronted. Furthermore, the upper end surfaces of the projecting portions 23 b and 23 b are formed so as to gradually become lower while being gently curved toward both sides of the knob body 20.

  By providing the protrusions 23b and 23b as described above, when the escutcheon 30 is mounted on the knob body 20, a small gap is formed between the longitudinal intermediate portion of the escutcheon 30 and the pair of protrusions 23b and 23b. A large gap 23c, 23c is formed between the longitudinal ends 32, 33 of the escutcheon 30 and both sides of the knob body 20.

  And according to this embodiment, each return part 32a, 33a of the escutcheon 30 can contact | abut to the both inner surfaces 24a, 24b of the recessed part 24, and can be engaged and supported. At the same time, since the large gaps 23c and 23c are provided between the escutcheon 30 and both sides of the knob body 20 when the escutcheon 30 is mounted, the longitudinal end portions 32 and 33 of the escutcheon 30 are easily bent and deformed. The mounting workability of the escutcheon 30 to the knob body 20 can be improved.

  By the way, when the occupant operates the operation knob, the escutcheon is pushed in by the fingertip, the escutcheon is greatly bent and dented, and the occupant's fingertip is strongly hit against the periphery of the recess 24 and sometimes hurts. On the other hand, in this embodiment, the pair of protrusions 23b and 23b are provided on the inner surface of the escutcheon 30 so as to face each other through a small gap. Suppressed by the portions 23b and 23b, the pain of the fingertip of the passenger can be prevented, and the operability can be improved.

  FIG. 9 shows a third embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The air outlet operation knob 10b (hereinafter referred to as “operation knob 10b”) according to this embodiment has a column portion 23d at a height that does not reach the inner surface of the escutcheon 30 from substantially the longitudinal center of the concave groove 23 of the knob body 20. And a pair of protrusions 23a, 23a similar to those of the first embodiment are provided on both sides thereof. Further, the protrusions 27b and 27b on both sides of the knob body 20 have a shape that extends toward the outer side of the knob body by a predetermined length and that the tip is bent toward the recess 24 side. Furthermore, large gaps 23c and 23c similar to those of the above-described embodiment are formed between the longitudinal ends 32 and 33 of the escutcheon 30 and both sides of the knob body 20.

  Then, by inserting and engaging the respective return portions 32 and 33a of the escutcheon 30 into the respective recesses 24 of the knob body 20, both end portions 32 and 33 of the escutcheon 30 are abutted and supported by the protrusions 27b and 27b. The escutcheon 30 can be attached to the knob body 20 by the spring force of the escutcheon 30. Further, the gaps 23c and 23c facilitate bending and deforming the longitudinal end portions 32 and 33 of the escutcheon 30, thereby improving the workability of mounting the escutcheon 30.

  FIG. 10 shows a fourth embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The air outlet operation knob 10c (hereinafter referred to as “operation knob 10c”) according to this embodiment has a protrusion 23f at a height that does not reach the inner surface of the escutcheon 30 along the longitudinal direction of the concave groove 23 of the knob body 20. Is protruding. The protruding portion 23f has an arc shape that protrudes highest at the center in the longitudinal direction and gradually decreases toward both ends in the longitudinal direction and gradually decreases.

  Then, by inserting and engaging the respective return portions 32a, 33a of the escutcheon 30 into the respective recesses 24 of the knob body 20, the both end portions 32, 33 of the escutcheon 30 abut against the protrusions 27, 27 on both sides of the knob body 20. The escutcheon 30 can be attached to the knob body 20 by the spring force of the escutcheon 30 while being supported by the contact, and the escutcheon 30 is formed by gaps 23c and 23c formed between the escutcheon 30 and both sides of the knob body 20. The longitudinal end portions 32 and 33 of the lens can be easily bent and deformed to improve the mounting workability.

  FIG. 11 shows a fifth embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  In the air outlet operation knob 10d (hereinafter referred to as “operation knob 10d”) according to this embodiment, the tip portions of the return portions 32a and 33a of the escutcheon 30a are further outward (escassion) via the tips 32c and 33c. Bending portions 32d and 33d are formed by folding back in the direction away from the inner surface. In addition, a columnar support portion 23g that abuts against the inner surface of the escutcheon 30 is provided projectingly at a substantially longitudinal center of the concave groove 23 of the knob body 20.

  Then, while pushing the longitudinal end portion 33 of the escutcheon 30 toward the knob body 20 while expanding, the return portions 32a and 33a reach the concave portion 24 of the knob body 20, and the longitudinal end portion 33 is elastically restored, When the return portions 32a and 33a are inserted into the recess 24, the bent portions 32d and 33d are formed at the tips of the return portions 32a and 33a so that the return portions 32a and 33a are formed in the recess 24. It can be moved and inserted so as to slide without being caught by the front side inner surface 24a, and the mounting workability of the escutcheon 30 can be improved.

  Further, when the return portions 32a and 33a are inserted into the recess 24, the tips 32c and 33c and the bent side ends 32b and 33b of the return portions 32a and 33a come into contact with the inner surfaces 24a and 24b of the recess 24, respectively. In addition to being engaged and supported, the center of the inner surface of the front portion 31 of the escutcheon 30 is abutted and supported by the columnar support portion 23g. As a result, the escutcheon 30 is mounted so as to be in pressure contact with the support portion 23g of the knob main body 20, so that the escutcheon 30 can be securely mounted on the knob main body 20 without rattling.

  FIG. 12 shows a sixth embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The air outlet operation knob 10e (hereinafter referred to as “operation knob 10e”) according to this embodiment has a shape in which the recesses 24, 24 of the knob body 20 are opened at a predetermined depth toward the front side ( FIG. 12 (a)). Further, both end portions 32 and 33 in the longitudinal direction of the escutcheon 30 extend in parallel to each other by a predetermined length. And as shown in FIG.12 (b), the front-end | tip both sides of each edge part 32 and 33 of the escutcheon 30 are cut and raised toward the outer side, and a pair of engagement nail | claws 34 and 34 are provided.

  Therefore, when the longitudinal ends 32 and 33 of the escutcheon 30 are aligned with the recesses 24 and 24 of the knob main body 20 and the escutcheon 30 is pushed toward the knob main body 20, both engaging claws 34 and 34 are Each of the inner surfaces of the recesses 24 engages with each other (see a partially enlarged view of FIG. 12A), and the center of the inner surface of the front portion 31 of the escutcheon 30 is abutted and supported by the columnar support portion 23g. The escutcheon 30 can be attached to 20 without rattling.

  In this way, the escutcheon 30 can be attached to the knob body 20 by a simple operation of aligning and pushing the longitudinal ends 32 and 33 of the escutcheon 30 into the recesses 24 and 24 of the knob body 20. The mounting workability of the escutcheon 30 can be improved.

  FIG. 13 shows a seventh embodiment of the air outlet operation knob according to the present invention. Note that substantially the same parts as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The air outlet operation knob 10f according to this embodiment (hereinafter referred to as “operation knob 10f”) has protrusions 27c and 27c on the outer side of the recess of the knob body 20 extending toward the outer side of the knob body by a predetermined length, The protruding end surface is formed wide. The distance L between the end faces of both protrusions 27c, 27c is set to be longer than the distance between the inner faces of both ends 32, 33 in the longitudinal direction of the escutcheon 30.

  Further, an inner surface 24b facing the front side inner surface 24a of each recess 24 has a straight portion 24c parallel to the front side inner surface 24a located inside the knob body, and a front end of the straight portion 24c to the front side inner surface 24a. On the other hand, it is composed of a taper portion 24d formed obliquely outward so as to be gradually separated.

  Therefore, when the longitudinal end portions 32 and 33 of the escutcheon 30 are spread and the return portions 32a and 33a are inserted and engaged with the concave portions 24 of the knob body 20, the longitudinal end portions 32 and 33 are elastic. The scutcheon 30 can be attached to the knob body 20 by the spring force of the escutcheon 30 while returning and being supported in contact with the projecting end surfaces of both the projecting portions 27c and 27c.

  Further, when the end portions 32 and 33 of the escutcheon 30 are inserted into the recess 24, the end portions 32 and 33 are inserted while being guided by the tapered portions 24d provided on the inner surface 24b. Can be improved. Further, the end portions 32 and 33 of the escutcheon 30 inserted into the recess 24 are sandwiched between the front-side inner surface 24a and the straight portion 24c of the inner surface 24b that are parallel to each other. , 33 can be kept small, and the backlash of the escutcheon 30 can be effectively prevented.

2 Air outlet 3 Horizontal fin 5 Vertical fin 10, 10a, 10b, 10c, 10d, 10e, 10f Air outlet operation knob (operation knob)
20 Knob body 23 Groove 23g Support portion 24, 24c Recess 24a Inner surface 24b Inner surface 30 Escussion 32, 33 Longitudinal ends 32a, 33a Return portion

Claims (7)

An operation knob that is disposed at an air outlet of an air conditioner and is attached to a fin that adjusts the air direction of air,
A knob body made of a synthetic resin having concave grooves along the longitudinal direction on the front face arranged in the air outlet direction, and having concave parts on both side faces located in the longitudinal direction of the front face,
It is made of a metal plate that extends at a predetermined length and is bent so that both ends in the longitudinal direction thereof fit the corners between the front surface and both side surfaces of the knob body, and both ends are engaged with the recesses of the knob body. And an escutcheon mounted so as to cover the concave groove,
The escutcheon has a return portion that engages with the concave portion, which is formed by bending a predetermined length of the tip of the bent both ends of the metal plate inward at an acute angle,
The cross section in the width direction orthogonal to the longitudinal direction of the front portion disposed on the front side of the knob body has a curved surface shape, while the cross section in the width direction of the return portion has a flat plate shape without curvature. And air outlet operation knob. An operation knob that is disposed at an air outlet of an air conditioner and is attached to a fin that adjusts the air direction of air,
A knob body made of a synthetic resin having concave grooves along the longitudinal direction on the front face arranged in the air outlet direction, and having concave parts on both side faces located in the longitudinal direction of the front face,
It is made of a metal plate that extends at a predetermined length and is bent so that both ends in the longitudinal direction thereof fit the corners between the front surface and both side surfaces of the knob body, and both ends are engaged with the recesses of the knob body. And an escutcheon mounted so as to cover the concave groove,
The escutcheon has a return portion that engages with the recess, which is formed by bending a predetermined length portion of the tip of each bent end of the metal plate inward at an acute angle, and the tip portion of the return portion Is an air outlet operation knob that is further folded outward. An operation knob that is disposed at an air outlet of an air conditioner and is attached to a fin that adjusts the air direction of air,
A knob body made of a synthetic resin having concave grooves along the longitudinal direction on the front face arranged in the air outlet direction, and having concave parts on both side faces located in the longitudinal direction of the front face,
It is made of a metal plate that extends at a predetermined length and is bent so that both ends in the longitudinal direction thereof fit the corners between the front surface and both side surfaces of the knob body, and both ends are engaged with the recesses of the knob body. And an escutcheon mounted so as to cover the concave groove,
The air outlet operation knob according to claim 1, wherein the knob main body has a columnar support portion that is in contact with only the tip of the inner surface of the escutcheon at an approximately center in the longitudinal direction of the concave groove.   The air outlet operation knob according to claim 1, wherein the escutcheon is made of spring steel having elasticity.   The recesses formed on both side surfaces of the knob body have an inner surface located on the front side and an inner surface opposite to the inner surface, and the tip of the return portion of the escutcheon and the end portion on the bent side contact the inner surfaces. The air outlet operation knob according to claim 1 or 2, wherein the knob is in contact with and engaged.   The knob main body has a support portion with which the inner surface of the escutcheon abuts in the middle of the concave groove in the longitudinal direction, and the escutcheon engages the return portion with the concave portion to thereby support the knob main body. The air outlet operation knob according to claim 1, wherein the air outlet operation knob is mounted so as to be pressed against the portion.   The air outlet according to any one of claims 1 to 6, wherein at least one surface treatment selected from shot blasting, plating, painting, resin coating, and hairline processing is applied to the surface side of the escutcheon. Operation knob.

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