JP2017149249A - Air blowout device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air blowout device which is advantageous in facilitating attachment of a finisher to a case body and making the finisher hardly come off from the case body after the attachment.SOLUTION: An air blowout device 10 comprises a case body 11 having a ventilation flue 11a, and a finisher 12 which is assembled to the front side of the case body 11 and blows out air from the ventilation flue 11a. The finisher 12 has a projection piece 20 projecting toward the case body 11. The projection piece 20 has a first projection region 21 extending from a back face of the finisher 12 and having an engaging hole 21a, and a second projection region 22 arranged side by side at a position from the engaging hole 21a of the first projection region 21 to the back face of the finisher 12. The case body 11 has a projection part 30 engageable with the engaging hole 21a of the first projection region 21, and a locking member 31 provided with a notch part 31a engageable with the second projection region 22.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an air blowing device.

  Conventionally, an air blowing device used for a vehicle air conditioner or the like includes a case body having a ventilation path, and a finisher attached to the case body and blowing out air from the ventilation path. Patent Document 1 discloses a structure for attaching a finisher having an insertion piece protruding toward the case body to a case body having an insertion groove for guiding the insertion piece. Further, in the mounting structure described in Patent Document 1, the case body includes a stopper having a tapered guide that rises from the outside of the insertion groove and slightly protrudes near the tip of the insertion piece. According to such a structure, after the finisher is attached, in addition to the engagement concave portion of the insertion piece and the engagement convex portion of the insertion groove being engaged, the distal end portion of the insertion piece is engaged with the stopper. Since the insertion piece is restricted from moving toward the outside of the case body, the finisher is unlikely to come off the case body.

Japanese Utility Model Publication No. 4-78012

  In the mounting structure described in Patent Document 1, the stopper is provided on the back side of the insertion groove so that the distal end portion of the inserted piece after mounting can be pressed. On the other hand, in the mounting structure described in Patent Document 1, when the finisher is mounted, the insertion piece contacts the engagement convex portion of the insertion groove until the engagement concave portion engages with the engagement convex portion of the insertion groove. While bending toward the outside of the case body. Therefore, in practice, it is difficult for the operator to engage the tip of the insertion piece with the stopper on the back side of the insertion groove, and it is difficult to attach the finisher to the case body.

  Therefore, an object of the present invention is to provide an air blowing device that is easy to attach a finisher to a case body and that is advantageous for making it difficult to remove the finisher from the case body after the finisher is attached.

  An air blowing device according to the present invention includes a case body having a ventilation path, and a finisher that is assembled to the front side of the case body and blows out air from the ventilation path, and the finisher projects toward the case body. The projecting piece has a first projecting region extending from the back surface of the finisher and having an engagement hole, and is arranged in parallel at a position from the engagement hole in the first projecting region to the back surface of the finisher. The case body is provided with a protrusion that can be engaged with the engagement hole of the first protrusion region, and a notch that can be engaged with the second protrusion region. And a locking member.

  According to the air blowing device of the present invention, when the finisher is attached to the case body, the engagement hole in the first projecting region of the finisher engages with the convex portion on the case body side, so that the finisher projects the protruding piece. Deviation from the opposite side of the direction is prevented. Moreover, since the 2nd protrusion area | region of a finisher engages with the notch part by the side of a case body, it removes in a direction which a finisher cross | intersects a protrusion piece. Further, when the finisher is attached to the case body, the second projecting region and the locking member are positioned on the near side of the ventilation path of the case body. Therefore, the operator can easily attach the finisher to the case body because the operator can easily engage the second projecting region with the notch.

It is a schematic perspective view which shows the structure of the air blowing apparatus which concerns on one Embodiment of this invention. It is a schematic perspective view which shows the structure of an attachment part. It is a schematic sectional drawing for demonstrating the effect | action of an attaching part, and a comparative example.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  The air blowing device according to the present embodiment is a device that is connected to an air conditioner provided in a vehicle such as an automobile, and blows air from the air conditioner into the vehicle interior, and is installed in an instrument panel, a center console, or the like. Can be done.

  Hereinafter, the downstream side in the blowing direction in which the air blows is defined as the front side, and the upstream side in the blowing direction is defined as the rear side. In the drawing, arrow F indicates the direction toward the front side, and arrow R indicates the direction toward the rear side.

  FIG. 1 is a schematic perspective view showing a configuration of an air blowing device 10 according to the present embodiment. The air blowing device 10 includes a case body 11 and a finisher 12 attached to the front side of the case body 11 via a plurality of attachment portions 13. In a state where the air blowing device 10 is installed on, for example, an instrument panel, the front surface of the finisher 12 faces the vehicle interior.

  The case body 11 has a rectangular tube shape, and has an air passage 11a through which air from an air conditioner (not shown) flows from the rear side to the front side. The cross section of the ventilation path 11a is a flat shape whose dimension in the left-right direction is larger than the dimension in the vertical direction with respect to the blowing direction, for example. The case body 11 is formed from, for example, a synthetic resin material.

  The finisher 12 forms a part of the design surface of the air blowing device 10 on the vehicle interior side, and is blown into the vehicle interior from the frame body 14 having the air outlet 14a for blowing air into the vehicle interior and the air outlet 14a. And fins 15 capable of adjusting the direction of air flow. Each of the frame body 14 and the fins 15 is made of, for example, a synthetic resin material.

  FIG. 2 is a schematic perspective view showing the configuration of the attachment portion 13. In particular, FIG. 2A is a diagram illustrating a state before the finisher 12 is attached to the case body 11. FIG. 2B is a diagram illustrating a state after the finisher 12 is attached to the case body 11. FIG. 2C is a diagram illustrating a configuration of the attachment portion 13 on the case body 11 side.

  When attaching the finisher 12 to the case body 11, the attachment portion 13 causes a part of the case body 11 and a part of the finisher 12 to engage with each other. Here, the attachment direction in which the finisher 12 is attached to the case body 11 is opposite to the air blowing direction. Further, as an example, there are a total of four attachment portions 13 as shown in FIG. 1, two on the upper side with reference to the air outlet 14a and the ventilation path 11a, and two on the lower side (not shown). Since the configuration of each mounting portion 13 is the same, the configuration of one mounting portion 13 will be described in detail below.

  First, the finisher 12 has a protruding piece 20 that protrudes toward the case body 11 as a component of the attachment portion 13. The protruding piece 20 includes a first protruding region 21 and a second protruding region 22. Further, the protruding piece 20 is made of, for example, a synthetic resin material, has a rigidity capable of withstanding an external force, and has an elasticity that allows a slight bending at the time of attachment.

  The first protruding region 21 is a flat plate member having a main plane extending along the surface direction of the outer wall surface 11 b of the case body 11. In particular, the first projecting region 21 extends from the back surface of the frame 14 of the finisher 12 and has an engagement hole 21a. The engagement hole 21a is a hole that penetrates toward the outer wall surface 11b.

Similar to the first projecting region 21, the second projecting region 22 is a flat plate member having a main plane extending along the surface direction of the outer wall surface 11 b of the case body 11. In particular, the second projecting region 22 is juxtaposed at a position from the engagement hole 21 a of the first projecting region 21 to the back surface of the finisher 12. For example, as shown in FIGS. 2A and 2B, two second projecting regions 22 can be provided, one on each side of the side surface of the first projecting region 21. Here, the position from the engagement hole 21a to the back surface of the finisher 12 is specifically, as shown in FIG. 2A, from the tip of the engagement hole 21a in the protruding direction of the first protruding region 21 to the finisher. This refers to a range corresponding to the distance L ₁ to the back surface of the 12 frame bodies 14. That is, the second projecting region 22 is disposed so that the length L ₂ in the projecting direction is included in the range of the distance L ₁ .

  On the other hand, the case body 11 includes, as components of the attachment portion 13, a convex portion 30 that can be engaged with the engagement hole 21 a of the first protruding region 21, and a notch portion 31 a that can be engaged with the second protruding region 22. And a locking member 31 provided.

  The convex portion 30 is installed on the outer wall surface 11b of the case body 11 so as to protrude outward from the outer wall surface 11b. In particular, the protrusion 30 receives the impact from the outside after engaging with the engaging hole 21a, so that the engaging hole 21a is unlikely to come off to the opposite side of the protruding direction of the protruding piece 20. It has the plane part 30a which opposes an inner wall in a protrusion direction. Moreover, the convex part 30 has the inclination part 30b which bends the protrusion piece 20 with the movement to an attachment direction in order to engage the engagement hole 21a more easily.

  The locking member 31 is erected on the outer wall surface 11b of the case body 11 from the outer wall surface 11b toward the outside. In particular, the shape of the locking member 31 only needs to have a size that can include at least the notch 31a. However, as shown in FIG. 2, the locking member 31 is integrally formed so as to surround the first protruding region 21. It is desirable.

The notch portion 31a is disposed in the vicinity of the upper surface of the second projecting region 22 so as to face the second projecting region 22 in a state where the engaging hole 21a of the first projecting region 21 and the convex portion 30 of the case body 11 are engaged. One surface 31a ₁ is provided. Further, the cutout portion 31a is opposed to the first surface 31a _1, and, in a state where the engaging hole 21a and the convex portion 30 is engaged, opposed in proximity to the lower surface of the second protruding region 22 It is desirable to have the second surface 31a ₂ to be processed. Furthermore, in order to facilitate brought into more engaging the second projecting regions 22 in the notches 31a at the time of mounting, as shown in FIG. 2 (c), the first surface 31a ₁ and the second surface 31a _2, mounted It is good also as what has an inclination mutually so that it may mutually adjoin as it goes to the back | inner side of a direction.

  Next, the operation and effect of this embodiment will be described. FIG. 3 is a schematic cross-sectional view for explaining the operation of the attachment portion 13 according to the present embodiment and a comparative example. Fig.3 (a) is AA sectional drawing in FIG.2 (b). FIG.3 (b) is BB sectional drawing in FIG.2 (b). Moreover, FIG.3 (c) is a figure for demonstrating the effect | action of the attaching part corresponding to the structure shown in FIG.3 (b) as a comparative example, and the 2nd protrusion area | region 22 does not exist.

  (1) The air blowing device 10 according to the present embodiment includes a case body 11 having a ventilation path 11a, and a finisher 12 that is assembled to the front side of the case body 11 and blows out air from the ventilation path 11a. Has a protruding piece 20 protruding toward the case body 11, and the protruding piece 20 extends from the back surface of the finisher 12, and includes a first protruding area 21 having an engagement hole 21a, and a first protruding area 21. A second projecting region 22 arranged in parallel from the engagement hole 21a to the back surface of the finisher 12, and the case body 11 is a protrusion that can be engaged with the engagement hole 21a of the first projecting region 21. 30 and a locking member 31 provided with a notch 31a engageable with the second projecting region 22.

  According to the air blowing device 10 according to the present embodiment, when the finisher 12 is attached to the case body 11, first, as shown in FIG. 3A, the engagement is in the first projecting region 21 of the finisher 12. The hole 21a engages with the convex portion 30 on the case body 11 side. Therefore, even when the finisher 12 after being attached to the case body 11 receives an impact from the outside, the protruding piece 20 is prevented from coming off on the opposite side in the protruding direction.

  When the finisher 12 is attached to the case body 11, secondly, as shown in FIG. 3B, the second projecting region 22 of the finisher 12 engages with the notch 31a on the case body 11 side. Therefore, even when the finisher 12 after being attached to the case body 11 receives an impact from the outside, the protruding piece 20 is prevented from coming off in a direction intersecting with the protruding piece 20. Moreover, since the 2nd protrusion area | region 22 is arrange | positioned in the position from the engagement hole 21a of the 1st protrusion area | region 21 to the back surface of the finisher 12, it engages with the 2nd protrusion area | region 22 and the notch 31a. The deformation amount of the first projecting region 21 when engaging the engaging hole 21a and the projecting portion 30 proceeding together can be reduced as much as possible.

  Furthermore, when the finisher 12 is attached to the case body 11, the second projecting region 22 and the notch portion 31 a are positioned on the front side of the ventilation path 11 a of the case body 11. That is, the 2nd protrusion area | region 22 and the notch part 31a exist in the position where it is easy for an operator to visually recognize and can touch with a hand directly. Therefore, the operator can easily engage the second projecting region 22 and the notch 31a, and can easily attach the finisher 12 to the case body 11.

(2) The notch 31a is disposed so as to oppose the upper surface of the second projecting region 22 in a state where the engagement hole 21a of the first projecting region 21 and the convex portion 30 of the case body 11 are engaged. The first surface 31a ₁ is provided.

According to the air blowing device 10 according to the present embodiment, when the finisher 12 is attached to the case body 11, the first surface 31 a ₁ of the notch 31 a is present immediately above the second projecting region 22. Accordingly, it is possible to prevent the protruding piece 20 from coming off in the direction crossing the protruding piece 20, particularly in the direction from the case body 11 to the outside.

Here, referring to FIG. 3C as a comparative example, when the second projecting region 22 does not exist, depending on the magnitude and direction of the external impact received by the finisher 41 after being attached to the case body 40. As shown by the arrow X in the figure, the protruding piece 42 may come off in the direction from the case body 40 toward the outside. In order to completely take measures against this, it is necessary to add a step of fusing the convex portion 30 formed on the case body 11 to the periphery of the engagement hole 21a formed in the finisher 12 by heat caulking or the like. In contrast, according to this embodiment, the projecting piece 20 even if Hazureyo in the direction as indicated by the arrow X, the first surface 31a ₁ of the upper surface of the second protruding region 22 is cut-out portion 31a equivalents Therefore, the movement of the second protruding region 22 is restricted, and as a result, the protruding piece 20 does not come off.

(3) notch 31a is opposed to the first surface 31a _1, and, in a state where the convex portion 30 of the engaging hole 21a and the case body 11 of the first projecting area 21 is engaged, the second having a second surface 31a ₂ which is opposed in proximity to the lower surface of the projecting regions 22.

According to the air blowing apparatus 10 according to the present embodiment, in the state where the finisher 12 is attached to the case body 11, the second protruding region 22, the first surface 31a ₁ and the second surface 31a ₂ which are opposite to each other Sandwiched. Therefore, even if it receives the impact from the outside, the deformation | transformation itself of the protrusion piece 20 is suppressed and it leads to suppression that the protrusion piece 20 remove | deviates. This is particularly effective when the external impact is not caused by an external force applied from one direction but is complicated such as torsion.

  (4) The locking member 31 of the case body 11 is integrally formed so as to surround the periphery of the first protruding region 21 of the finisher 12.

  According to the air blowing device 10 according to the present embodiment, when the finisher 12 is attached to the case body 11, the side surface of the first projecting region 21 and the side surface of the locking member 31 of the case body 11 are always in a wide range. It will be in contact with. Therefore, even if the protruding piece 20 receives an impact from the outside, the side surface thereof is supported by the side surface of the locking member 31, so that the deformation of the protruding piece 20 itself is suppressed and the protruding piece 20 is prevented from coming off. . Furthermore, the locking member 31 has such a shape, so that the function of guiding the movement of the protruding piece 20 when the finisher 12 is attached to the case body 11 and the function of protecting the protruding piece 20 from a direct external force. Also have.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to said embodiment, A various deformation | transformation and change are possible within the range of the summary.

  For example, in the above-described embodiment, the engagement hole 21a formed in the first projecting region 21 is a through-hole. However, when the thickness of the first projecting region 21 is relatively thick, toward the outer wall surface 11b. The concave part which becomes a concave may be sufficient.

  Moreover, in the said embodiment, although the 1st protrusion area | region 21 and the 2nd protrusion area | region 22 shall be adjacent to each other on the same plane, there may be some height difference in each plane. .

  Moreover, in the said embodiment, the 2nd protrusion area | region 22 shall extend from the back surface of the frame 14 of the finisher 12 similarly to the 1st protrusion area | region 21. As shown in FIG. This is advantageous in terms of the rigidity of the second protruding region 22. However, in order to achieve the effect of the present invention, the second projecting region 22 is arranged in parallel with the first projecting region 21 and is disposed at a position from the engagement hole 21a of the first projecting region 21 to the back surface of the finisher 12. If the condition of being provided is satisfied, there may be a configuration in which the second protruding region 22 is separated from the back surface of the frame body 14.

DESCRIPTION OF SYMBOLS 10 Air blowing apparatus 11 Case body 11a Ventilation path 12 Finisher 20 Protruding piece 21 1st protrusion area | region 21a Engagement hole 22 2nd protrusion area | region 30 Protruding part 31 Locking member 31a Notch

Claims (4)

A case body having a ventilation path;
A finisher assembled on the front side of the case body and blowing out air from the ventilation path,
The finisher has a protruding piece protruding toward the case body,
The protruding piece is
A first projecting region extending from the back surface of the finisher and having an engagement hole;
A second projecting region arranged in parallel at a position from the engagement hole of the first projecting region to the back surface of the finisher,
The case body includes a convex portion engageable with the engagement hole of the first projecting region, and a locking member provided with a notch portion engageable with the second projecting region. An air blowing device characterized by.   The notch portion is disposed opposite to and close to the upper surface of the second projecting region in a state where the engagement hole of the first projecting region is engaged with the convex portion of the case body. The air blowing device according to claim 1, wherein the air blowing device has one surface.   In the state where the notch is opposed to the first surface and the engagement hole of the first protrusion region and the convex portion of the case body are engaged, The air blowing device according to claim 2, wherein the air blowing device has a second surface disposed in close proximity to the lower surface. The air blowing according to any one of claims 1 to 3, wherein the locking member of the case body is integrally formed so as to surround the first projecting region of the finisher. apparatus.

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