JP6030463B2 - Gear type operation knob of air blow adjustment register - Google Patents

Description

  The present invention relates to a gear type operation knob of an air blowing adjustment register having a knob body provided with a gear.

  2. Description of the Related Art Conventionally, a gear-type operation knob of an air blowing adjustment register is assembled with two members that are manufactured by dividing a front knob body and a rear knob body as in the technique described in Patent Document 1 below, for example. One knob body. In addition, the technique described in the following patent document 1 is a front and rear division type. In addition, there is an upper and lower split type in which two members manufactured by dividing an upper knob body and a lower knob body are assembled into one knob body.

  In this way, the reason why the two members are assembled into one knob body is to provide one gear on any one of the two members from the viewpoint of the prospect of forming a mold. .

JP 2003-276428 A

  However, if one knob body is manufactured by assembling two members divided in the front-rear direction or the upper-lower direction, the number of parts increases, which in turn increases the cost.

  Therefore, the present invention has been made in view of the above-described points, and it is an object to provide a gear-type operation knob for an air blowing adjustment register provided with a knob body having a structure that can be molded as one member. And

  In order to solve this problem, the invention according to claim 1 is directed to a vertical fin-side gear provided on any one of a plurality of vertical fins that are pivotally supported in a retainer of an air blowing adjustment register. Any one of a horizontal fin side gear engaged with the vertical fin and a plurality of horizontal fins that are axially supported so as to be interlocked in the retainer on the downstream side of the plurality of vertical fins in the ventilation direction in the retainer. And a knob body provided with an insertion space for slidably penetrating through the side fin side gear and a gear-type operation knob of an air blowing adjustment register comprising: The lateral fin side gear is separated into the first lateral fin side gear and the second lateral fin side gear by providing the knob body with a first opening communicating with the insertion space. .

  The invention according to claim 2 is the gear type operation knob of the air blowing adjustment register according to claim 1, wherein the second lateral fin side gear faces the gear through the first opening of the knob body. A first opening side ridge angle of the first horizontal fin side gear, and a first opening side ridge angle of the second horizontal fin side gear facing the first horizontal fin side gear via the first opening of the knob body. The first opening side ridge angle of the first lateral fin side gear and the first opening side ridge angle of the second lateral fin side gear are chamfered.

  Further, the invention according to claim 3 is the gear type operation knob of the air blowing adjustment register according to claim 1 or 2, wherein the lightening adjustment portion is provided on a side surface of the first lateral fin side gear. A rib portion protruding from a side surface of the first lateral fin-side gear on the upstream side in the ventilation direction in the retainer, and the rib portion and the hollow portion of the first lateral fin-side gear are adjacent to each other. Features.

  That is, in the gear-type operation knob of the air blowing adjustment register according to the present invention, the first fin portion gear is provided in the knob body with the first opening portion communicating with the insertion space portion of the knob body, so that the lateral fin side gear is the first lateral fin side gear. And the second lateral fin side gear. With this separation, the knob body provided in the gear type operation knob of the air blowing adjustment register according to the present invention is provided with a lateral fin side gear including a first lateral fin side gear and a second lateral fin side gear. The structure can be molded as one member.

  Therefore, in the gear type operation knob of the air blowing adjustment register according to the present invention, the knob body is molded as one member, so that the number of parts can be reduced and the cost can be reduced.

  In the gear type operation knob of the air blowing adjustment register according to the present invention, when the knob body is molded as one member, the lateral fin side gear provided on the knob body is connected to the first lateral fin side gear and the first lateral fin side gear. Molded in a state separated into two lateral fin side gears. For this reason, even if the knob body warps during molding, the influence of the warpage is absorbed by the separation structure of the lateral fin side gear provided in the knob body.

  Further, the gear type operation knob of the air blowing adjustment register according to the present invention has a first opening side ridge angle of the first lateral fin side gear and a second lateral fin side gear facing each other through the first opening of the knob body. The first opening side ridge angle is chamfered. Therefore, when the gear-type operation knob of the air blowing adjustment register according to the present invention is operated, the lateral fin side gear engaged with the vertical fin side gear provided on the vertical fin is the first lateral fin side gear. The first lateral fin side gear and the second lateral fin and the second lateral fin even if the second lateral fin side gear is replaced with the second lateral fin side gear or the second lateral fin side gear is replaced with the first lateral fin side gear. Since the chamfering applied to the ridge angle on the side of the first opening of the side gear allows the replacement thereof to be performed smoothly, it is possible to prevent problems such as rattling.

  Further, when the gear type operation knob of the air blowing adjustment register according to the present invention is operated, the lateral fin side gear engaged with the vertical fin side gear provided on the vertical fin is the first lateral fin side gear. And the second lateral fin side gear, both the first lateral fin side gear and the first opening side ridge angle of the first lateral fin side gear and the chamfering applied to the first opening side ridge angle of the second lateral fin side gear It is possible to prevent defects such as sticking.

  In the gear-type operation knob of the air blowing adjustment register according to the present invention, the first lateral fin-side gear on the upstream side in the ventilation direction in the retainer with respect to the hollow portion provided on the side surface of the first lateral fin-side gear. Since the rib portion protruding from the side surface of the first lateral fin side gear is adjacent to the hollow portion of the first lateral fin side gear, it is possible to prevent the generation of cavity noise in the hollow portion of the first lateral fin side gear.

  Moreover, in the gear type operation knob of the air blowing adjustment register according to the present invention, when the knob main body is molded as one member, the side wall portion of the first lateral fin side gear is provided with a lightening portion. Reduction is possible.

1 is an exploded perspective view showing an air blowing adjustment register equipped with a gear operation knob (hereinafter referred to as “gear operation knob of this embodiment”) of an air blowing adjustment register according to an embodiment of the present invention. (A) is an external perspective view showing the air blowing adjustment register, (b) is an external side view showing the air blowing adjustment register, and (c) shows the air blowing adjustment register. FIG. (A) is an external perspective view showing the air blowing adjustment register, (b) is an external side view showing the air blowing adjustment register, and (c) shows the air blowing adjustment register. FIG. (A) is an external plan view showing the air blowing adjustment register, (b) is an external front view showing the air blowing adjustment register, and (c) is the air blowing adjustment register. FIG. (A) is the external appearance perspective view showing the knob main body of the gear type operation knob of this embodiment, (b) is the external appearance perspective view showing the knob main body of the gear type operation knob of this embodiment. (A) is the external appearance perspective view showing the knob main body of the gear type operation knob of this embodiment, (b) is the external appearance perspective view showing the knob main body of the gear type operation knob of this embodiment. (A) is the external appearance rear view in which the knob main body of the gear type operation knob of this embodiment was represented, (b) is the external appearance top view in which the knob main body of the gear type operation knob of this embodiment was represented, (C) is the external appearance front view with which the knob main body of the gear type operation knob of this embodiment was represented. (A) is an external plan view showing the knob body of the gear type operating knob of the present embodiment, (b) is an external front view showing the knob body of the gear type operating knob of the present embodiment, (C) is the external appearance rear view with which the knob main body of the gear type operation knob of this embodiment was represented. (A) is an external side view showing the knob main body of the gear type operation knob of this embodiment, (b) is an external plan view showing the knob main body of the gear type operation knob of this embodiment, (C) is the external appearance side view with which the knob main body of the gear type operation knob of this embodiment was represented. It is a disassembled perspective view with which the gear type operation knob of this embodiment and the horizontal fin to which the knob main body of the gear type operation knob of this embodiment is attached were represented. It is the perspective view by which the gear type operation knob of this embodiment in the state attached to the horizontal fin was represented. It is sectional drawing which cut | disconnected the thickness reduction part provided in the gear type operation knob of this embodiment by the line GG of Fig.9 (a) (c). (A) and (b) are the figures showing the metal mold | die for shape | molding the knob main body of the gear type operation knob of this embodiment as one member. (A) and (b) are the figures showing the metal mold | die for shape | molding the knob main body of the gear type operation knob of this embodiment as one member.

  Hereinafter, the gear type operation knob of the present embodiment will be described with reference to FIGS.

[1. Overview of air outlet adjustment register]
First, an outline of the air blowing adjustment register 1 to which the gear type operation knob 14 of the present embodiment is attached will be described with reference to FIGS. 1 to 4.

  The direction indicated by the arrow A shown in FIG. 1 is the direction when the air blowing adjustment register 1 is viewed from the front, and the direction indicated by the arrow B is the direction when the air blowing adjustment register 1 is viewed from the rear. The direction indicated by C is the direction when the air blowing adjustment register 1 is viewed from the right, the direction indicated by the arrow D is the direction when the air blowing adjustment register 1 is viewed from the left, and the direction indicated by the arrow E is the air blowing adjustment register 1. Is the direction seen from above, and the direction pointed by the arrow F is the direction seen from the bottom of the air blowing adjustment register 1.

  Therefore, the exploded perspective view of FIG. 1 is a view represented by the direction of the air blowing adjustment register 1 viewed from the right front side.

  Moreover, the external perspective view of FIG. 2A is a view represented by a direction of the air blowing adjustment register 1 viewed from the right front side. The external side view of FIG. 2B is a view represented by the direction of the air blowing adjustment register 1 viewed from the right. The external perspective view of FIG. 2C is a view represented by a direction of the air blowing adjustment register 1 as viewed from the right rear side.

  Moreover, the external perspective view of FIG. 3A is a view represented by the direction of the air blowing adjustment register 1 as viewed from diagonally left front. The external side view of FIG. 3B is a diagram represented by the direction of the air blowing adjustment register 1 as viewed from the left. The external perspective view of FIG. 3C is a view represented by a direction of the air blowing adjustment register 1 viewed from the diagonally left rear.

  Further, the external plan view of FIG. 4A is a view represented by the direction of the air blowing adjustment register 1 as viewed from above. The external front view of FIG. 4B is a diagram represented by the direction of the air blowing adjustment register 1 as viewed from the front. The external bottom view of FIG. 4C is a view represented by the direction of the air blowing adjustment register 1 as viewed from below.

  As shown in FIGS. 1 to 4, the air blowing adjustment register 1 includes a retainer 11, a vertical fin rotating device 12, a horizontal fin rotating device 13, a gear-type operation knob 14 according to the present embodiment, a sealing material 15, And a bezel 16.

  A seal member 21 made of urethane foam is fitted on the retainer 11 from the rear side of the retainer 11.

  On the other hand, in the retainer 11, a urethane seal 22 for preventing condensation is attached. Furthermore, in the retainer 11, the damper plate 23 is attached so that rotation is possible (especially refer FIG.3 (c)). A damper seal 24 is attached to the damper plate 23. The damper seal 24 is made of urethane foam, and improves the sealing performance of the damper plate 23 when the retainer 11 is closed. In addition, the arrow of the code | symbol W drawn from the retainer 11 is the ventilation direction in the retainer 11. FIG.

  An insertion hole 25 and a knob support shaft 26 are provided on the outside of the retainer 11.

  An engaging member 27 for engaging one end of the damper plate 23 in the retainer 11 is inserted into the insertion hole 25. A pair of spring holding portions 28 is provided above the insertion hole 25. A rod-shaped metal spring 29 is attached to the pair of spring holding portions 28. Therefore, the engaging member 27 inserted into the insertion hole 25 is rotatably attached.

  A dial knob 31 is rotatably attached to the knob support shaft 26 via a nut 30.

  The dial knob 31 and the engaging member 27 are connected by the link member 32 through the hole 31A of the dial knob 31 and the hole 27A of the engaging member 27. Therefore, when the dial knob 31 is operated, the damper plate 23 rotates in the retainer 11.

  The vertical fin rotation device 12 is attached to the retainer 11 from the front side of the retainer 11, and includes seven vertical fins 41, a vertical fin side gear 42, an upper bearing portion 43, a lower bearing portion 44, and a link bar 45. Have The vertical fin side gear 42 is a sector gear, and is provided on one vertical fin 41 located in the center among the seven vertical fins 41. A pair of rotating shafts 41 </ b> A provided on the upper and lower sides of the vertical fins 41 are fitted into the upper bearing portion 43 and the lower bearing portion 44, respectively. A rod shaft 41 </ b> B provided on each vertical fin 41 is inserted into the link bar 45. Therefore, in the vertical fin rotating device 12, seven rotatable vertical fins 41 are attached so as to be interlocked.

  The horizontal fin rotation device 13 is attached to the retainer 11 from the front side of the vertical fin rotation device 12 and includes three horizontal fins 51, a right bearing portion 52, a left bearing portion 53, and a link bar 54. A pair of rotating shafts 51 </ b> A provided on the left and right sides of the respective lateral fins 51 are fitted into the right bearing portion 52 and the left bearing portion 53, respectively. The rod bar 51 </ b> B provided on each horizontal fin 51 is fitted into the link bar 54. Therefore, in the horizontal fin rotating device 13, three rotatable horizontal fins 51 are attached so as to be interlocked.

  The gear type operation knob 14 of this embodiment includes a knob body 101, a molding 102, and a rubber shim 103. The gear-type operation knob 14 of the present embodiment is attached to one horizontal fin 51 located at the center among the three horizontal fins 51. Further, the lateral fin side gear 104 provided on the knob body 101 is engaged with the vertical fin side gear 42. A detailed description of the gear type operation knob 14 of the present embodiment will be described later.

  The bezel 16 is engaged with the retainer 11 from the front side of the lateral fin rotation device 13 via the seal material 15.

  A detailed description of the air blowing adjustment register 1 is omitted except for the gear type operation knob 14 of the present embodiment.

[2. Gear type operation knob]
Next, the gear type operation knob 14 of this embodiment is demonstrated based on FIG. 5 thru | or FIG.

  The direction indicated by the arrow A shown in FIG. 1 is the direction when the gear-type operation knob 14 of the present embodiment is viewed from the front, and the direction indicated by the arrow B is the rear of the gear-type operation knob 14 of the present embodiment. The direction indicated by the arrow C is the direction when the gear operation knob 14 according to the present embodiment is viewed from the right, and the direction indicated by the arrow D is when the gear operation knob 14 according to the present embodiment is viewed from the left. The direction indicated by the arrow E is the direction when the gear operation knob 14 of the present embodiment is viewed from above, and the direction indicated by the arrow F is the direction when the gear operation knob 14 of the present embodiment is viewed from below. And

  Therefore, the external perspective view of FIG. 5A is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of the present embodiment as viewed obliquely from the left front. The external perspective view of FIG. 5B is a view represented by the direction of the knob main body 101 of the gear type operation knob 14 of the present embodiment as seen from the diagonally left rear.

  Moreover, the external perspective view of FIG. 6A is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of the present embodiment as viewed obliquely from the front right. The external perspective view of FIG. 6B is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of the present embodiment as viewed from the right rear side.

  Further, the external rear view of FIG. 7A is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of the present embodiment as viewed from the rear. The external plan view of FIG. 7B is a view represented by the direction of the knob main body 101 of the gear type operation knob 14 of this embodiment as viewed from above. The external front view of FIG. 7C is a view represented by the direction of the knob main body 101 of the gear type operation knob 14 of this embodiment as viewed from the front. However, in Fig.7 (a), the knob main body 101 of the gear type operation knob 14 of this embodiment is represented upside down.

  Further, the external plan view of FIG. 8A is a view represented by the direction of the knob main body 101 of the gear type operation knob 14 of this embodiment as viewed from above. The external front view of FIG. 8B is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of this embodiment as viewed from the front. The external bottom view of FIG.8 (c) is the figure represented by the direction which looked at the knob main body 101 of the gear type operation knob 14 of this embodiment from the bottom.

  Further, the external side view of FIG. 9A is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of this embodiment as viewed from the right. The external plan view of FIG. 9B is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of this embodiment as viewed from above. The external side view of FIG. 9C is a view represented by the direction of the knob body 101 of the gear type operation knob 14 of this embodiment as viewed from the left. However, in FIG. 9A, the knob body 101 of the gear type operation knob 14 of this embodiment is shown upside down.

  In addition, the exploded perspective view of FIG. 10 is represented by the direction in which the gear-type operation knob 14 of the present embodiment and the horizontal fin 51 to which the knob body 101 of the gear-type operation knob 14 of the present embodiment is attached are viewed obliquely from the right front. FIG.

  Further, the perspective view of FIG. 11 is a view represented by the direction of the gear-type operation knob 14 of the present embodiment in a state attached to the horizontal fin 51 as viewed from the right front side.

  As will be described later, the knob main body 101 of the gear-type operation knob 14 of the present embodiment is resin-molded as a single member, so that a molding attachment port 105, an insertion space portion 106, a first opening 107, and a pair of second portions. Opening portions 108A and 108B, a separation portion 109, and a pair of lightening portions 110A and 110B are provided.

  A molding 102 is attached to the molding mounting port 105. The insertion space portion 106 has a hollow inside the knob body 101. A pair of shim mounting portions 111 are provided inside the insertion space portion 106, that is, on the back side of the molding mounting port 105 (see in particular FIG. 7A). The shim 103 is attached to the pair of shim attachment portions 111. That is, the shim 103 is attached to the inside of the insertion space portion 106 that is the back side of the molding attachment port 105.

  The first opening 107 is an opening that communicates with the insertion space 106 and separates the lateral fin-side gear 104 vertically. Accordingly, the lateral fin side gear 104 is separated into the first lateral fin side gear 104A and the second lateral fin side gear 104B with the first opening 107 interposed therebetween. In the gear of the first lateral fin side gear 104A, the first opening side ridge angle R1 located on the first opening 107 side is provided in a chamfered shape. Also in the gear of the second lateral fin side gear 104B, the first opening side ridge angle R2 located on the first opening 107 side is provided in the same chamfered shape.

  The pair of second openings 108 </ b> A and 108 </ b> B are openings that communicate with the insertion space portion 106 and are attached with the horizontal fins 51 penetrating. The separation portion 109 is a space that communicates the first opening 107 and the second opening 108A. In the second opening 108A provided with the separation portion 109, the sliding piece 112 protrudes upward. In addition, stepped portions 113A and 113B are provided in the pair of second openings 108A and 108B. In the second opening 108 </ b> A provided with the separation portion 109, the sliding piece 112 and the stepped portion 113 </ b> A are in a relative relationship with each other with a part of the separation portion 109.

  The pair of lightening portions 110A and 110B are provided on the left and right side surfaces of the first lateral fin side gear 104A, respectively. As shown in the cross-sectional view of FIG. 12, the pair of hollow portions 110A and 110B are rib portions 114A protruding from the respective side surfaces of the first lateral fin-side gear 104A on the upstream side in the ventilation direction W in the retainer 11. 114B and adjacent to the chamfered portions 115A and 115B provided on the respective side surfaces of the first lateral fin-side gear 104A on the downstream side in the ventilation direction W in the retainer 11.

  The lateral fin 51 attached to the gear-type operation knob 14 of the present embodiment includes a pair of guide ridges 51C, a front sliding side surface portion 51D, a rear sliding side surface, in addition to the rotation shaft 51A and the rod shaft 51B described above. A part 51E and a rear step part 51F are provided. The rear step part 51F is one end of the rear sliding side part 51E. Further, although not shown, a guide groove that is continuous with the rear sliding side surface portion 51E is provided on the back surface of the horizontal fin 51 shown in FIGS.

  In order to attach the gear type operation knob 14 of the present embodiment to the horizontal fin 51, the knob main body 101 extends from the second opening 108 </ b> B toward the second opening 108 </ b> A from the end where the rear stepped portion 51 </ b> F is not provided. Insert the fin 51. When the lateral fin 51 starts to pass through the second opening 108A of the knob body 101, the second opening 108A of the knob body 101 is expanded, and a guide groove (not shown) of the lateral fin 51 is formed on the knob body 101. When passing through the second opening 108A, the second opening 108A of the knob main body 101 returns to its original size, and the sliding piece 112 in the second opening 108A of the knob main body 101 becomes the guide groove of the horizontal fin 51. (Not shown).

  When the gear-type operation knob 14 of the present embodiment is attached to the horizontal fin 51, it can be operated to move left and right along the horizontal fin 51. By this operation, the vertical fin-side gear 42 meshed with the first horizontal fin-side gear 104A and / or the second horizontal fin-side gear 104B of the knob body 101 is rotated, so that the seven fins of the vertical fin rotating device 12 are rotated. The vertical fin 41 rotates while interlocking.

  When the gear-type operation knob 14 of this embodiment is moved left and right along the horizontal fin 51, the front sliding side surface portion 51 </ b> D of the horizontal fin 51 slides on the shim 103 of the knob body 101, and a pair of the horizontal fin 51 The guide ridge 51C slides on the inner surface of the insertion space portion 106 of the knob body 101, the rear sliding side surface portion 51E of the lateral fin 51 slides on the step portions 113A and 113B of the knob body 101, and A guide groove (not shown) slides on the slide pieces 112 in the step portions 113A and 113B and the second opening portion 108A of the knob body 101.

  The gear type operation knob 14 of the present embodiment can be moved rightward along the horizontal fin 51 until the rear stepped portion 51F of the horizontal fin 51 abuts the knob main body 101. On the other hand, the gear-type operation knob 14 of the present embodiment has the horizontal fin 51 until the step end portion of the guide groove (not shown) of the horizontal fin 51 abuts against the sliding piece 112 and the step portion 113A of the knob body 101. 51 to the left.

[3. Mold]
Next, based on FIG.13 and FIG.14, the metal mold | die which resin-molds the knob main body 101 of the gear type operation knob 14 of this embodiment is demonstrated. FIG. 13A is a view showing a mold when the knob body 101 is viewed from above. FIG. 13B is a view showing a mold when the knob main body 101 is viewed from the left. FIG. 14A is a view showing a mold when the knob body 101 is viewed from the front. FIG. 14B is a view showing a mold when the knob body 101 is viewed from below.

  As shown in FIGS. 13 and 14, the movable molds 301, 302, 303, 304 are moved with respect to the lower mold 201 and the upper mold 202, so that the gear-type operation of the present embodiment is performed. The knob body 101 of the knob 14 is resin-molded.

[4. Summary]
As described above in detail, in the gear type operation knob 14 of the present embodiment, the first fin 107 that communicates with the insertion space 106 of the knob body 101 is provided in the knob body 101, whereby the lateral fin side gear 104. Is separated into a first lateral fin side gear 104A and a second lateral fin side gear 104B. As a result of this separation, the knob main body 101 provided in the gear type operation knob 14 of the present embodiment is provided with a lateral fin side gear 104 including a first lateral fin side gear 104A and a second lateral fin side gear 104B. The structure can be molded as one member.

  Therefore, in the gear type operation knob 14 of the present embodiment, the knob main body 101 is molded as one member, so that the number of parts can be reduced and the cost can be reduced.

  Further, in the gear type operation knob 14 of the present embodiment, when the knob body 101 is molded as one member, the lateral fin side gear 104 provided on the knob body 101 is replaced with the first lateral fin side gear 104A. The two horizontal fin side gears 104B are molded in a separated state. For this reason, even if the knob main body 101 warps during molding, the influence of the warpage is absorbed by the separation structure of the lateral fin side gear 104 provided in the knob main body 101.

  Further, the gear type operation knob 14 of the present embodiment is configured such that the first opening-side ridge angle R1 of the first horizontal fin-side gear 104A and the second horizontal fin-side gear face each other through the first opening 107 of the knob body 101. The 104B first opening side ridge angle R2 is chamfered. Accordingly, when the gear-type operation knob 14 of the present embodiment is operated, the horizontal fin side gear 104 engaged with the vertical fin side gear 42 provided on the vertical fin 41 is changed to the first horizontal fin side gear 104A. Even if the second lateral fin side gear 104B is replaced with the second lateral fin side gear 104B or the second lateral fin side gear 104B is replaced with the first lateral fin side gear 104A, the first opening side ridge angle R1 of the first lateral fin side gear 104A is changed. Further, the chamfering applied to the first opening-side ridge angle R2 of the second lateral fin-side gear 104B allows the replacement thereof to be performed smoothly, so that problems such as rattling can be prevented.

  Further, when the gear type operation knob 14 of the present embodiment is operated, the lateral fin side gear 104 engaged with the vertical fin side gear 42 provided on the vertical fin 41 is changed to the first lateral fin side gear 104A. And the second lateral fin side gear 104B are applied to the first opening side ridge angle R1 of the first lateral fin side gear 104A and the first opening side ridge angle R2 of the second lateral fin side gear 104B. By chamfering, it is possible to prevent problems such as rattling.

  Further, in the gear type operation knob 14 of the present embodiment, the first horizontal side in the ventilation direction W in the retainer 11 is more upstream than the lightening portions 110A and 110B provided on the side surface of the first horizontal fin side gear 104A. Since the rib portions 114A and 114B protruding from the side surface of the fin side gear 104A are adjacent to the thinned portions 110A and 110B of the first lateral fin side gear 104A, in the thinned portions 110A and 110B of the first lateral fin side gear 104A. Generation of cavity sound can be prevented.

  Further, the gear type operation knob 14 of the present embodiment is provided with the lightening portions 110A and 110B on the side surface of the first lateral fin side gear 104A when the knob body 101 is molded as one member. Can be reduced.

Further, the gear type operation knob 14 of the present embodiment is characterized by the following invention specific matters. That is,
A gear type operation knob (14) of an air blowing adjustment register (1) according to any one of claims 1 to 3,
A pair of second openings (108A, 108B) communicating with the insertion space (106) of the knob body (101) and slidably penetrating any one of the plurality of lateral fins (51). Is provided in the knob body (101),
Part of the lateral fin (51) protruding from any one (108A) of the pair of second openings (108A, 108B) of the knob body (101) and penetrating the knob body (101) A sliding piece (112) that contacts the guide groove formed in
The second opening (108A) of the knob body (101) from which the sliding piece (112) protrudes communicates with the first opening (107) of the knob body (101). The gear type operation knob (14) of the air blowing adjustment register (1) to be operated.

  In such a gear-type operation knob (14) of the air blowing adjustment register (1), the second opening (108A) of the knob main body (101) from which the sliding piece (112) protrudes is the second opening (108A) of the knob main body (14). Expands by communicating with one opening (107). By this expansion, the portion of the lateral fin (51) where the guide groove is not formed can be easily inserted into the second opening (108A) of the knob body (101) from which the sliding piece (112) protrudes. Can do.

[5. Others]
In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning.
For example, the first lateral fin side gear 104A and the second lateral fin side gear 104B constituting the lateral fin side gear 104 may be interchanged.

DESCRIPTION OF SYMBOLS 1 Air blowing adjustment register 11 Retainer 14 Gear type operation knob 41 Vertical fin 42 Vertical fin side gear 51 Horizontal fin 101 Knob main body 104 Horizontal fin side gear 104A 1st horizontal fin side gear 104B 2nd horizontal fin side gear 106 Insert space part 107 110A first opening portion 110A thinning portion 110B thinning portion 114A rib portion 114B rib portion R1 first opening side ridge angle of the first lateral fin side gear R2 first opening side ridge angle of the second lateral fin side gear W in the retainer Ventilation direction

Claims (3)

A lateral fin-side gear engaged with a vertical fin-side gear provided on any one of a plurality of vertical fins pivotally supported in the retainer of the air blowing adjustment register;
Insertion for slidably penetrating one of a plurality of horizontal fins pivotally supported in the retainer on the downstream side in the ventilation direction in the retainer from the plurality of vertical fins. A gear-type operation knob of an air blowing adjustment register comprising a knob body provided with a space portion and the lateral fin side gear,
The lateral fin side gear is separated into the first lateral fin side gear and the second lateral fin side gear by providing the knob body with a first opening communicating with the insertion space of the knob body; An air blowout adjustment register gear-type operation knob. A gear-type operation knob for an air blowing adjustment register according to claim 1,
A first opening side ridge angle of the first horizontal fin side gear facing the second horizontal fin side gear through the first opening of the knob body;
A first opening side ridge angle of the second horizontal fin side gear facing the first horizontal fin side gear via the first opening of the knob body;
A gear-type operation knob of an air blowing adjustment register, wherein a first opening side ridge angle of the first lateral fin side gear and a first opening side ridge angle of the second horizontal fin side gear are chamfered. A gear-type operation knob of an air blowing adjustment register according to claim 1 or 2,
A rib portion projecting from the side surface of the first lateral fin side gear on the upstream side in the ventilation direction in the retainer than the hollow portion provided on the side surface of the first lateral fin side gear;
A gear-type operation knob for an air blowing adjustment register, wherein the rib portion and the hollow portion of the first lateral fin side gear are adjacent to each other.

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