JP2004218778A - Braidlike member-holding structure of air-conditioner unit casing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a braidlike member-holding structure of an air-conditioner unit casing wherein a parts-count is reduced, workability is improved, cost is reduced, and the degree of freedom in the molding position is improved. <P>SOLUTION: The holding structure of a braidlike member in the air-conditioner unit casing is provided with a shaped part 2, a deforming part 3, and a deforming force-imparting member 5 (a screw or a wedge member). Both the part 2, 3 are formed integrally with the air-conditioner unit casing 1, and disposed in opposition to each other. The deforming force-imparting member 5 is to be inserted and adhered in the locking groove 31 formed in the deforming part 3. The deforming part 3 is bent to the shaped part 2, when the member 5 is inserted for adhesion in the groove 31 of the deforming part 3, and the wiring 4 is grasped by the deforming part 3 and the shaped part 2. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a string-shaped member holding structure provided in a unit case of a vehicle air conditioner for holding a string-shaped member such as a wire harness (including an electric wire and a heat-con cable).
[0002]
[Prior art]
2. Description of the Related Art A vehicle air conditioner includes electric components (including electronic components) such as a blower motor, and these electric components are electrically connected to an external power supply circuit, a control circuit, and the like via a string-shaped member such as a wire harness. . In addition, a string-shaped member of other electrical components may be stretched around the air conditioner.
[0003]
Therefore, it is necessary to protect the string-shaped member from disconnection and the like, and a string-shaped member holding structure is provided in the unit case for protecting the string-shaped member, and the string-shaped member holding structure holds the string-shaped member.
[0004]
4 to 7 show examples of a conventional cord-shaped member holding structure.
[0005]
The cord-like member holding structure shown in FIG. 4 has a boss 8 integrally projecting from the outer surface 1a of the unit case 1 and a cord-like member 4 such as a wire harness on a plate 6 separate from the unit case 1 by a tape 7. The string member 4 is fixed to the unit case 1 by screwing the screw 9 into the hole 8 a of the boss 8 while passing the screw 9 through the screw insertion hole 6 a of the plate 6.
[0006]
The cord-shaped member holding structure shown in FIG. 5 has a U-shaped portion 9 having a locking hole 9a integrally formed on the outer surface 1a of the unit case 1 and a wire on a plate 6 separate from the unit case 1. The string-shaped member 4 such as a harness is fixed with a tape 7, and the locking claw portion 6b of the plate 6 is inserted into and locked by the locking hole 9a of the U-shaped portion 9, so that the string-shaped member 4 is fixed to the unit case 1. It is configured to be fixed.
[0007]
The string-shaped member holding structure shown in FIGS. 6 and 7 has a plurality of plate-like portions 10 or columnar portions 11 integrally protruding from the outer surface 1 a of the unit case 1, and is provided between these plate-like portions 10 or columnar portions 11. The string-shaped member 4 such as a wire harness is passed through the unit case 1 so as to be fixed to the unit case 1.
[0008]
[Problems to be solved by the invention]
However, since the string-shaped member holding structure shown in FIGS. 4 and 5 uses the plate 6 and the tape 7 separate from the unit case 1, there is a problem that the number of parts is large, and There is a problem in that a complicated operation for mounting the string-shaped member 4 and winding the tape 7 is required, resulting in an increase in cost. Further, in the cord-shaped member holding structure shown in FIG. 5, since the U-shaped portion 9 is undercut when the unit case 1 is formed, the forming has to be performed using a slide core, and the manufacturing cost is high. In addition, the forming position of the U-shaped portion 9 in the unit case 1 is limited to a range in which the slide core can move, and the U-shaped portion 9 cannot be formed at an arbitrary position of the unit case 1. There is also.
[0009]
Further, the string-shaped member holding structure shown in FIGS. 6 and 7 simply holds the string-shaped member by the frictional force with the plurality of plate-shaped portions 10 or the cylindrical portions 11, so that the string-shaped member is easily detached. Problem.
[0010]
The present invention can solve the above-mentioned conventional problems, reduce the number of parts, improve workability, reduce costs and improve the flexibility of the molding position, and can reliably hold the string-shaped member. It is an object to provide a cord-shaped member holding structure.
[0011]
[Means for Solving the Problems]
The string-shaped member holding structure for an air conditioner unit case according to claim 1, further comprising a fixed portion and a deformed portion formed integrally with the air conditioner unit case and arranged to face each other, and a locking groove formed in the deformed portion. A deforming force applying member inserted into and fixed to the locking groove portion of the deforming portion, and the deforming portion bends toward the fixed portion, thereby deforming the deforming portion. The string-shaped member is gripped by the and the fixed portion.
[0012]
According to the cord-shaped member holding structure of the air conditioner unit case according to claim 1, a plate separate from the unit case is not used, and the fixed portion and the deformed portion integrally formed with the unit case and the deforming force applying member are used. Since it is configured, the number of parts can be reduced. Further, since the complicated work of placing the string-shaped member on the plate and winding the tape is not involved, the workability can be improved. In addition, since the fixed portion and the deformed portion can be given a shape that does not cause an undercut when the unit case is formed, the manufacturing cost can be reduced, and the degree of freedom of the forming position of the fixed portion and the deformed portion can be improved. improves. Further, since the string-shaped member is gripped by the fixed portion and the deformed portion by using the bending of the deformed portion, the string-shaped member can be securely held.
[0013]
The deformation applying member is, for example, a screw or a wedge-shaped member.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0015]
FIG. 1 is a perspective view of a string-shaped member holding structure of an air conditioner unit case according to an embodiment of the present invention, and FIG. 2 is a work process diagram for holding a string-shaped member by the string-shaped member holding structure. .
[0016]
1 and 2, reference numeral 1 denotes a part of a unit case made of synthetic resin for an air conditioner.
[0017]
A fixed portion 2 and a deformed portion 3 are integrally formed on the outer surface 1a of the unit case 1 so as to face each other. Both the fixed portion 2 and the deformed portion 3 are formed in such a shape that when the unit case 1 is formed, the mold can be removed in the direction of arrow a in FIG. The fixed portion 2 is formed, for example, in a plate shape having the same thickness in the die-cutting direction a or a plate shape in which the thickness gradually decreases. The deformed portion 3 is formed in a column shape having a locking groove 31. As shown in FIG. 2A, the locking groove 31 has a center hole 32 along the die-cutting direction a. The center hole 32 includes a small-diameter long hole 32a on the unit case 1 side and a large-diameter short hole 32b on the non-unit case side. The locking groove portion 31 has two slit portions 33 extending from the center hole portion 32 in a radial direction and in a direction parallel to the fixed portion 2.
[0018]
Next, an operation process for causing the string-shaped member 4 such as a wire harness to be gripped by the fixed portion 2 and the deformed portion 3 will be described with reference to FIG.
[0019]
First, as shown in FIG. 2A, the string-shaped member 4 is inserted between the fixed portion 2 and the deformed portion 3. Next, a screw 5 serving as a deformation force applying member for deforming the deformable portion 3 is screwed into the small-diameter long hole 32a of the center hole 32 of the deformable portion 3. At this time, since the center hole 32 has the slit portion 33, the diameter thereof can be easily increased in accordance with the entry of the screw 5, and the portion 34 of the deformed portion 3 located on the side of the fixed portion 2 from the slit portion 33 is the fixed portion. 2, and when the screwing of the screw 5 is completed, as shown in FIG. 2 (B), the string-shaped member 4 is grasped by the fixed portion 2 and the deformed portion 3.
[0020]
FIG. 3 is a work process diagram for holding a string-shaped member by a string-shaped member holding structure according to another embodiment.
[0021]
The string-shaped member holding structure shown in FIG. 3 is characterized in that a wedge-shaped member 5 is used as a deformation force applying member for deforming the deformable portion 3. The deformed portion 3 is formed in a columnar or plate shape having a locking groove 31. As shown in FIG. 3A, the locking groove 31 is formed of a slit along the die-cutting direction a. The slit part 31 is formed parallel to the fixed part 2. The fixed part 2 has the same configuration as the fixed part 2 shown in FIGS. 1 and 2.
[0022]
First, as shown in FIG. 3A, the string-shaped member 4 such as a wire harness is held between the fixed portion 2 and the deformed portion 3 by the fixed portion 2 and the deformed portion 3. Then, the wedge-shaped member 5 is driven into the slit portion 31 of the deformed portion 3. Due to the driving of the wedge-shaped member 5, the slit portion 31 is gradually opened, and the portion 34 of the deformed portion 3 located on the side of the fixed portion 2 from the slit portion 31 is bent toward the fixed portion 2. At the time of the termination, as shown in FIG. 3B, the string-shaped member 4 is gripped by the fixed portion 2 and the deformed portion 3. In the state shown in FIG. 3B, the retaining piece 5a of the wedge-shaped member 5 bites into the deformed portion 3, and the wedge-shaped member 5 is fixed to the deformed portion 3.
[0023]
As described above, the cord-shaped member holding structure of the air conditioner unit case according to the present embodiment includes the fixed portion 2 and the deformed portion 3 which are formed integrally with the air conditioner unit case 1 and arranged to face each other. A deforming force applying member (screw or wedge-shaped member) 5 which is inserted and fixed in the locking groove 31 formed in the portion 3, and the deforming force applying member 5 is inserted and fixed in the locking groove 31 of the deformable portion 3. Accordingly, the deformed portion 3 is bent toward the fixed portion 2, and the deformed portion 3 and the fixed portion 2 grip the string-shaped member 4. Therefore, the number of parts can be reduced because the plate 6 separate from the unit case 1 is not used. In addition, since the complicated work of placing the string-shaped member 4 on the plate 6 and winding the tape 7 is not involved, the workability can be improved. In addition, since the fixed portion 2 and the deformed portion 3 are shaped so as not to be undercut when the unit case 1 is formed, there is no need to use a slide core, so that manufacturing costs can be reduced. The degree of freedom of the forming position of the deformed portion 3 is improved. Moreover, since the string-shaped member 4 is grasped by the fixed-form part 2 and the deformation part 3 using the bending of the deformation part 3, the string-shaped member 4 can be reliably held.
[0024]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to the string-shaped member holding structure of the air-conditioner unit case of this invention, reduction of the number of parts, improvement of workability, cost reduction and improvement of the degree of freedom of a molding position can be aimed at, and a string-shaped member can be held reliably.
[Brief description of the drawings]
FIG. 1 is a perspective view of a cord-shaped member holding structure of an air conditioner unit case according to an embodiment of the present invention.
FIG. 2 is a work process diagram for holding a string-shaped member by the same string-shaped member holding structure.
FIG. 3 is a work process diagram for holding a string-shaped member by a string-shaped member holding structure according to another embodiment.
FIG. 4 is a perspective view of a conventional cord-shaped member holding structure.
FIG. 5 is a perspective view of a conventional cord-shaped member holding structure.
FIG. 6 is a perspective view of a conventional cord-shaped member holding structure.
FIG. 7 is a perspective view of a conventional cord-shaped member holding structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Air-conditioner unit case 2 Fixed part 3 Deformation part 31 Locking groove part 4 String-shaped member 5 Deformation force giving member (screw or wedge-shaped member)

Claims (3)

The air conditioner unit case includes a deformed portion formed integrally with the fixed portion and a deformed portion which are formed so as to be opposed to each other, and a deforming force applying member which is inserted and fixed in a locking groove formed in the deformed portion is provided. The insertion member is inserted into and fixed to the locking groove of the deforming portion, whereby the deforming portion bends toward the fixed portion, and the deformed portion and the fixed portion grip a string-shaped member. Of the string-shaped member of the air conditioner unit case. The string-shaped member holding structure for an air conditioner unit case according to claim 1, wherein the deformation force applying member is a screw. The string-shaped member holding structure for an air conditioner unit case according to claim 1, wherein the deformation force applying member is a wedge-shaped member.

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