JP2014050283A - Harness protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harness protector to be fixed on a vehicle, with a wire harness inserted therethrough for protecting the wire harness arranged in the vehicle, and which can reduce a manufacturing cost by reducing the number of component parts or manufacturing processes.SOLUTION: A harness protector 1 comprises one sheet-like part 10 having a rear surface 11 overlapped with a wire harness arrangement surface 32 and a front surface 12 on which a wire harness 41 is placed, and a pair of support wall parts 21 and 22 erected in a state facing the front surface of the sheet-like part so as to sandwich both sides of the wire harness to be placed on the surface of the sheet-like part. In the harness protector 1, a space 23 surrounded with the pair of support wall parts and the front surface of the sheet-like part is formed as a harness housing space through which the wire harness is inserted. The one sheet-like part and the pair of wall parts are integrally formed with one resin plate material by vacuum molding or heat press molding.

Description

  The present invention relates to a harness protector fixed to a vehicle body in a state where the wire harness is inserted in order to protect a wire harness routed in a vehicle.

  9 and 10 show a harness protector disclosed in Patent Document 1 below.

  This harness protector 100 is a protector fixed to a vehicle body in a state where the wire harness is inserted in order to protect the wire harness routed in the vehicle.

  The harness protector 100 includes a protector main body 110 having a concave cross section, a lid member 120 attached to the upper surface opening 111 of the protector main body 110, and fastening plates 130 and 140 attached to the protector main body 110.

  Each of the protector main body 110 and the lid member 120 is a separately manufactured component, and both are manufactured by forming a single resin plate material into a predetermined shape by vacuum forming or pressure forming.

  As shown in FIGS. 9 and 10, the protector main body 110 is integrally provided with projecting piece-like vehicle body fixing portions 113 and 114 on the outer surface of the side wall.

  The fastening plates 130 and 140 are parts formed by injection molding separately from the protector main body 110. The fastening plates 130 and 140 are attached to the vehicle body fixing portions 113 and 114, respectively, and are used when the protector body 110 is fixed to the vehicle body.

JP 2010-74917 A

  However, the harness protector 100 of Patent Document 1 includes a lid member 120 separate from the protector main body 110, the fastening plates 130 and 140, and the like, and has a large number of components. Further, while the protector body 110 and the lid member 120 are manufactured by vacuum forming or pressure forming, the fastening plates 130 and 140 are manufactured by injection molding, and a plurality of different manufacturing methods are adopted. In addition, the number of manufacturing processes increases.

  Therefore, the increase in the number of component parts and the number of manufacturing processes has caused a problem that the manufacturing cost is increased.

  Accordingly, an object of the present invention is a harness protector that is fixed to a vehicle body in a state in which the wire harness is inserted in order to protect the wire harness that is routed in the vehicle, in order to solve the above problems. An object of the present invention is to provide a harness protector capable of reducing the manufacturing cost by reducing the number of components and the number of manufacturing steps.

The above-described object of the present invention is achieved by the following configuration.
(1) One sheet-like part on which the back surface is superimposed on the wiring harness wiring surface of the vehicle and the wire harness is placed on the surface, and both sides of the wire harness placed on the surface of the sheet-like part A pair of support wall portions erected on the surface of the sheet-like portion so as to sandwich the surface, and the surface of the sheet-like portion between the pair of support wall portions and the pair of support wall portions A space protector is a harness protector that becomes a harness housing space for inserting the wire harness,
The harness protector, wherein the one sheet-like portion and the pair of support wall portions are integrally formed by subjecting one resin plate material to vacuum forming or hot press forming.

  (2) At the time of the vacuum forming or the hot press forming, when the back surface of the sheet-like part is pressed against the wire harness wiring surface, the wire harness is fitted to the uneven pattern on the wire harness wiring surface. The harness protector according to claim 1, wherein an uneven pattern for positioning that performs positioning on a routing surface is integrally formed on the back surface of the sheet-like portion.

  (3) The fixing to the wire harness routing surface is performed by sticking the back surface of the sheet-like portion to the wire harness routing surface with an adhesive. The harness protector described.

  According to the configuration of (1) above, the component part is only a harness protector as a single part including one sheet-like part and a pair of support wall parts.

  Further, the harness protector itself is manufactured by subjecting a single resin plate material to vacuum forming or hot press forming, and there is no need to perform a plurality of manufacturing methods in the manufacturing process.

  Therefore, two types of manufacturing methods must be carried out during manufacturing, and the manufacturing cost can be reduced by reducing the number of component parts and the number of manufacturing steps as compared with the harness protector of Patent Document 1 having a large number of component parts. it can.

  According to the configuration of (2) above, when the harness protector is attached to the wire harness wiring surface of the vehicle, the sheet-shaped portion is equipped when the back surface of the sheet-shaped portion of the harness protector is pressed against the wire harness wiring surface. The positioning concavo-convex pattern is fitted into the concavo-convex pattern on the vehicle-side wire harness routing surface, and the harness protector is positioned at a predetermined position on the wire harness routing surface.

  Therefore, it is possible to easily fix the harness protector to the wire harness wiring surface, and it is possible to shorten the mounting operation time.

  According to the configuration of (3) above, the back surface of the sheet-like portion of the harness protector is pressed against the wire harness wiring surface, and the positioning unevenness pattern provided on the sheet-shaped portion is formed on the wire harness wiring surface on the vehicle side. When fitted into the concavo-convex pattern, the surfaces in contact with each other are joined by an adhesive, and the fixing of the harness protector to the wire harness wiring surface is completed.

  Therefore, it is possible to extremely easily fix the harness protector to the wire harness wiring surface, and it is possible to thoroughly shorten the mounting work time.

  Moreover, the harness protector itself does not need to be equipped with a fastening structure or a locking structure for fixing to the wiring harness routing surface, and the structure of the harness protector itself is simplified to improve the productivity of the harness protector. You can also.

  According to the harness protector according to the present invention, the component part is only the harness protector as a single part including one sheet-like part and a pair of support wall parts.

  Further, the harness protector itself is manufactured by subjecting a single resin plate material to vacuum forming or hot press forming, and there is no need to perform a plurality of manufacturing methods in the manufacturing process.

  Therefore, two types of manufacturing methods must be carried out during manufacturing, and the manufacturing cost can be reduced by reducing the number of component parts and the number of manufacturing steps as compared with the harness protector of Patent Document 1 having a large number of component parts. it can.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

Fig.1 (a) is a front view of one Embodiment of the harness protector based on this invention, FIG.1 (b) is A arrow directional view of Fig.1 (a). FIG. 2 is a front view of the harness protector in a state in which the wire harness is inserted into the harness housing space on the surface of the harness protector of FIG. FIG. 3 is a back view of the sheet-like portion of the embodiment shown in FIG. FIG. 4 is an inner surface view of the door showing a concavo-convex pattern on the wire harness wiring surface on the door of the vehicle to which the harness protector of one embodiment is attached. Fig.5 (a)-FIG.5 (f) are explanatory drawings of the procedure of the general manufacturing process in the vacuum forming method which can be used for shaping | molding of the harness protector of one Embodiment. FIG. 6A to FIG. 6F are explanatory diagrams of general manufacturing steps in a hot press molding method that can be used for molding the harness protector according to the embodiment. FIG. 7 is an explanatory diagram of a state in the middle of attaching the harness protector of the embodiment to the vehicle door shown in FIG. 4. FIG. 8 is an explanatory view of a state in which the harness protector of one embodiment is fixed to the door of the vehicle of FIG. FIG. 9 is an exploded perspective view showing a configuration of a conventional harness protector. 10 is a perspective view of the protector body shown in FIG. 9 as viewed from the back side.

  Hereinafter, a preferred embodiment of a harness protector according to the present invention will be described in detail with reference to the drawings.

  1 to 8 show an embodiment of a harness protector according to the present invention. FIG. 1 (a) is a front view of an embodiment of the harness protector according to the present invention, and FIG. 1 (b) is FIG. FIG. 2A is a front view of the harness protector in a state in which the wire harness is inserted into the harness housing space on the surface of the harness protector of FIG. 1, and FIG. 3 is a diagram of the embodiment shown in FIG. 1. 4 is a rear view of the sheet-like portion, FIG. 4 is an inner view of the door showing an uneven pattern on the wire harness wiring surface on the door of the vehicle to which the harness protector of the embodiment is attached, and FIGS. 5 (a) to 5 (f). FIG. 6 is an explanatory diagram of a general manufacturing process procedure in a vacuum forming method that can be used for forming the harness protector of the embodiment, and FIGS. 6A to 6F are used for forming the harness protector of the embodiment. Possible hot press molding method FIG. 7 is an explanatory diagram of a state in the middle of attaching the harness protector of the embodiment to the vehicle door shown in FIG. 4, and FIG. 8 is an example of the vehicle door shown in FIG. It is explanatory drawing of the state by which the harness protector of the form was fixed.

  The harness protector 1 according to this embodiment is a single component including one sheet-like portion 10 and a pair of support wall portions 21 and 22.

  As for the sheet-like part 10 of 1 sheet, the back surface 11 shown in FIG. 3 is overlaid on the wire harness wiring surface 32 of the vehicle shown in FIG. Further, as shown in FIG. 2, the wire-like harness 41 is placed on the surface 12 of the sheet-like portion 10.

  As shown in FIG. 2, the pair of support wall portions 21, 22 stand on the surface 12 of the sheet-like portion 10 so as to sandwich both sides of the wire harness 41 placed on the surface 12 of the sheet-like portion 10. It is a pair of wall part provided.

  A space 23 surrounded by the pair of support wall portions 21 and 22 and the surface 12 of the sheet-like portion 10 between the pair of support wall portions 21 and 22 is a harness housing space into which the wire harness 41 is inserted.

  In the case of this embodiment, one sheet-like part 10 and a pair of support wall parts 21 and 22 are integrated by subjecting one sheet-like (sheet-like) resin plate material to vacuum forming or hot press forming. Is formed.

  Fig.5 (a)-FIG.5 (f) schematically show the procedure of the manufacturing process by a vacuum forming method. These drawings show a series of procedures from manufacturing a flat plate-shaped resin plate material 1A to manufacturing a useful portion (molded product) 1Ab that has been completed with a U-shaped molding process.

  FIG. 5A shows a sheet (plate material) heating step. In this sheet heating process, a single resin plate 1A that is a raw material of the harness protector 1 is heated by heaters 2A and 2B that are arranged opposite to each other with the resin plate 1A interposed therebetween, so that the resin plate 1A is in a softened state. To.

  During this process, the resin plate material 1A that receives the hot air 2a, 2b from the heaters 2A, 2B is kept in a tensioned state by urging the plate material gripping members 4 gripping both ends in a direction away from each other.

  FIG. 5B shows a sheet moving process. This sheet moving process is a process of transferring the resin plate 1A that has been in a predetermined softened state by the sheet heating process of FIG.

  The vacuum molding die 5 is a die having a structure including a raw material molding surface 5a on which the resin plate material 1A is placed and a vacuum suction hole 5b. The raw material molding surface 5a is a mold surface on which the resin plate material 1A is placed. A plurality of vacuum suction holes 5b are provided through the raw material molding surface 5a so as to vacuum-suck the resin plate 1A to the raw material molding surface 5a.

  FIG. 5C shows a molding process. In this molding step, the resin plate material 1A that has been softened by the heating step is vacuum-adsorbed on the raw material molding surface 5a of the vacuum molding die 5, and the resin plate material 1A is cooled and cured in the adsorbed state. The plate material 1A is formed into the shape of the raw material forming surface 5a.

  FIG. 5D shows a mold release step in which the resin plate material 1A that has been molded is separated from the vacuum mold 5.

  FIG. 5E shows a processing step for performing a trimming process for cutting off the excess portion 1Aa on the resin plate 1A detached from the vacuum forming die 5 from the useful portion 1Ab. A boundary portion 1Ac between the extra portion 1Aa and the useful portion 1Ab is a separation position.

  FIG. 5 (f) shows a molding in which only the useful portion 1Ab is left after the molding process by the vacuum molding shown in FIGS. 5 (a) to (d) and the trimming process shown in FIG. 5 (e). Indicates completion status.

  6 (a) to 6 (f) schematically show the procedure of the manufacturing process by the hot press molding method. These drawings show a series of procedures from manufacturing a flat plate-shaped resin plate material 1A to manufacturing a useful portion (molded product) 1Ab that has been completed with a U-shaped molding process.

  FIG. 6A shows a sheet (plate material) heating step. In this sheet heating process, a single resin plate 1A that is a raw material of the harness protector 1 is heated by heaters 2A and 2B that are arranged opposite to each other with the resin plate 1A interposed therebetween, so that the resin plate 1A is in a softened state. To.

  During this process, the resin plate material 1A that receives the hot air 2a, 2b from the heaters 2A, 2B is kept in a tensioned state by urging the plate material gripping members 4 gripping both ends in a direction away from each other.

FIG. 6B shows a sheet moving process. In this sheet moving step, the resin plate material 1A that has become a predetermined softened state by the sheet heating step in FIG.
And a transfer process between the female mold 6B.

  In the hot press molding, the resin plate member 1A is sandwiched between the male die 6A and the female die 6B and pressed to form the resin plate member 1A.

  FIG. 6C shows a molding process. In this molding step, the resin plate material 1A that has been softened by the heating step is sandwiched between the male mold 6A and the female mold 6B, and a U-shaped molding is performed on the resin plate material 1A.

  FIG. 6D shows a mold release process in which the male mold 6A and the female mold 6B are opened, and the resin plate 1A that has been molded is separated from the mold.

  FIG. 6 (e) is a processing step for performing a trimming process for excising the excess portion 1Aa on the resin plate 1A separated from the hot press molds 6A and 6B from the useful portion 1Ab. A boundary portion 1Ac between the extra portion 1Aa and the useful portion 1Ab is a separation position.

  FIG. 6 (f) shows only the useful part 1Ab after the molding process by the hot press molding shown in FIGS. 6 (a) to 6 (d) and the trimming process shown in FIG. 6 (e). The completed molding state is shown.

  As described above, the harness protector 1 of the present embodiment has the shape shown in FIGS. 1 to 3 by using any one of the vacuum forming shown in FIG. 5 or the hot press forming shown in FIG. Molded.

  The wire harness routing surface 32 shown in FIG. 4 is a partial area of the panel surface 31 inside the door 30 of the vehicle, and is provided with a concavo-convex pattern 32a useful for the arrangement of various components and the like.

  In the case of the present embodiment, the positioning uneven pattern 11a is integrally formed on the back surface 11 of the sheet-like part 10 at the time of vacuum forming or hot press molding in which the pair of support wall parts 21, 22 are integrally formed on the sheet-like part 10. Is done.

  The positioning uneven pattern 11a is fitted to the uneven pattern 32a of the wire harness wiring surface 32 when the back surface 11 of the sheet-like portion 10 is pressed against the wiring harness 32 wiring surface 32, and the wire harness wiring surface 32 is fitted. Fulfill the positioning to.

  The harness protector 1 according to the embodiment described above is fixed to the wire harness wiring surface 32 of the vehicle body as shown in FIGS. 7 and 8 with the wire harness 41 inserted as shown in FIG. Thus, the wire harness 41 routed on the vehicle body (door 30) is protected.

  In the case of the harness protector 1 of the present embodiment, the fixing to the wire harness wiring surface 32 is performed by sticking the back surface 11 of the sheet-like portion 10 to the wire harness wiring surface 32 with an adhesive.

  In the case of the harness protector 1 according to the embodiment described above, the component part is only the harness protector 1 as a single part including one sheet-like part 10 and a pair of support wall parts 21 and 22.

  Further, the harness protector 1 itself is manufactured by subjecting a single resin plate material to vacuum forming or hot press forming, and it is not necessary to perform a plurality of manufacturing methods in the manufacturing process.

  Therefore, two types of manufacturing methods must be carried out during manufacturing, and the manufacturing cost can be reduced by reducing the number of component parts and the number of manufacturing steps as compared with the harness protector of Patent Document 1 having a large number of component parts. it can.

  Further, in the case of the harness protector 1 according to the embodiment described above, when the harness protector 1 is attached to the wire harness wiring surface 32 of the vehicle, the back surface 11 of the sheet-like portion 10 of the harness protector 1 is wired to the wire harness. When pressed against the surface 32, the positioning unevenness pattern 11a provided on the sheet-like portion 10 is fitted into the unevenness pattern 32a of the wire harness wiring surface 32 on the vehicle side, and the harness protector 1 is connected to the wire harness wiring surface 32. Is positioned at a predetermined position.

  Therefore, the fixing work of the harness protector 1 to the wire harness routing surface 32 can be facilitated, and the mounting work time can be shortened.

  Furthermore, in the case of the harness protector 1 according to the embodiment described above, the positioning irregularities provided on the sheet-like part 10 by pressing the back surface 11 of the sheet-like part 10 of the harness protector 1 against the wire harness wiring surface 32. When the pattern 11a is fitted to the concavo-convex pattern 32a of the wire harness wiring surface 32 on the vehicle side, the surfaces that contact each other are joined by an adhesive, and the harness protector 1 is fixed to the wire harness wiring surface 32. To do.

  Therefore, the fixing work of the harness protector 1 to the wire harness routing surface 32 can be extremely facilitated, and the mounting work time can be shortened thoroughly.

  Moreover, it is not necessary to equip the harness protector 1 itself with a fastening structure or a locking structure for fixing the wire protector 1 to the wire harness routing surface 32, simplifying the structure of the harness protector 1 itself, and improving the productivity of the harness protector 1 Can also be improved.

  For example, the harness protector 1 is fixed to the wire harness wiring surface 32 by sticking with an adhesive in the case of the above embodiment, but is screwed to a stud bolt planted on the wire harness wiring surface 32. Or, it is possible to change to a structure using a known clamp member or fastener.

  In the case of the above-described embodiment, the trimming process for cutting off an excess portion of the sheet-like portion 10 after vacuum forming or hot press forming is omitted. Therefore, the manufacturing process can be simplified and the manufacturing cost can be further reduced as compared with the conventional harness protector that performs the trimming process.

  However, when it is desired to keep the wire harness routing surface 32 to the minimum necessary, a trimming process for cutting off unnecessary portions of the sheet-like part 10 may be performed after the molding process is completed.

  Moreover, the harness protector 1 according to the embodiment described above has a single wire harness 41 as a protection target. However, a plurality of harness housing spaces 23 formed by the pair of support wall portions 21 and 22 may be arranged to protect the plurality of wire harnesses 41.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  Here, the features of the embodiment of the harness protector according to the present invention described above are briefly summarized and listed in the following [1] to [3], respectively.

[1] A sheet-like part (10) on which the back surface (11) is superimposed on the wiring harness wiring surface (32) of the vehicle and the wire harness (41) is placed on the front surface (12); A pair of erected on the surface (12) of the sheet-like part (10) so as to sandwich both sides of the wire harness (41) placed on the surface (12) of the sheet-like part (10) A support wall portion (21, 22), and a surface (12) of the sheet-like portion (10) between the pair of support wall portions (21, 22) and the pair of support wall portions (21, 22). ) Is a harness protector (1) serving as a harness housing space through which the wire harness (41) is inserted,
The one sheet-like part (10) and the pair of support wall parts (21, 22) are integrally formed by subjecting one resin plate (1A) to vacuum molding or hot press molding. Harness protector (1) characterized by being.

  [2] At the time of the vacuum forming or the hot press forming, the wire harness routing surface (32) when the back surface (11) of the sheet-like portion (10) is pressed against the wire harness routing surface (32). The positioning uneven pattern (11a) that fits the concave / convex pattern (32a) and performs positioning on the wire harness wiring surface (32) is integrated with the back surface (11) of the sheet-like part (10). The harness protector (1) according to the above [1], which is formed.

  [3] Fixing to the wire harness routing surface (32) is performed by sticking the back surface (11) of the sheet-like portion (10) to the wire harness routing surface (32) with an adhesive. The harness protector (1) according to the above [1] or [2], wherein

DESCRIPTION OF SYMBOLS 1 Harness protector 1A Resin board | plate material 10 Sheet-shaped part 11 Back surface 11a Positioning uneven | corrugated pattern 12 Surface 21 and 22 Support wall part 23 Space Harness accommodating space 32 Wire harness wiring surface 32a Uneven pattern 41 Wire harness

Claims (3)

The back surface is overlaid on the wiring harness wiring surface of the vehicle, and the front surface sandwiches one sheet-like portion on which the wire harness is placed and both sides of the wire harness placed on the surface of the sheet-like portion. And a pair of support wall portions erected on the surface of the sheet-like portion so as to be opposed to each other, and is surrounded by the pair of support wall portions and the surface of the sheet-like portion between the pair of support wall portions A harness protector that is a harness housing space through which the wire harness is inserted,
The harness protector, wherein the one sheet-like portion and the pair of support wall portions are integrally formed by subjecting one resin plate material to vacuum forming or hot press forming.   At the time of the vacuum forming or the hot press forming, the wire harness wiring surface is fitted into the concavo-convex pattern of the wire harness wiring surface when the back surface of the sheet-like portion is pressed against the wire harness wiring surface. 2. The harness protector according to claim 1, wherein a concave / convex pattern for positioning that achieves positioning is integrally formed on the back surface of the sheet-like portion.   The harness according to claim 1 or 2, wherein fixing to the wire harness wiring surface is performed by sticking the back surface of the sheet-like portion to the wire harness wiring surface with an adhesive. Protector.

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