JP2019199141A - handle - Google Patents

Abstract

To provide a handle that can reduce the number of components and man-hours and that can improve the appearance of a grip portion and grip feeling.SOLUTION: A steering wheel 10 as a handle includes a rim portion 15 in which a harness 23 is arranged. The rim portion 15 includes a rim body 37 and a covering member 20. The rim body 37 includes: a groove 35, a part of which is disposed to be opposed to the arrangement position of the harness 23; and holding portions 40 disposed in the groove 35. The covering member 20 is wound to cover the rim body 37, and ends 20a, 20a are housed in the groove 35. The harness 23 is arranged in the groove 35, and the harness 23 is held by the holding portions 40.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a handle having a grip portion to which a harness is wired.

  In recent years, it has been required to add functions to the steering wheel of an automobile, that is, a steering wheel. For example, an electrical component such as a display or a switch may be disposed on the grip portion of the steering wheel. In such a case, a harness is used to electrically connect the boss portion side located inside the gripping portion of the steering wheel and the electrical components of the gripping portion, and this harness is wired to the gripping portion. In order to wire this harness to the gripping part, a dedicated harness wiring groove that accommodates the harness is formed in the gripping part body, and by attaching a harness cover that covers the harness to the harness wiring groove, the harness is placed in the harness wiring groove. While holding, the surface opening side of a harness wiring groove part is obstruct | occluded, and the surrounding surface shape of a holding part is ensured. And the circumference | surroundings of the holding part main body with which the harness cover was assembled | attached are covered with the coating | coated member (for example, refer patent document 1).

JP 2010-241203 A (Page 5-8, FIG. 1-5)

  When wiring a harness to the handle of the steering wheel, because the harness cover is used, the number of parts and the number of assembling steps are increased, and the grip body with the separate harness cover attached is covered with a covering member. There is a risk that the appearance and grip feeling of the gripping portion at the harness cover will be lowered.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a handle that can reduce the number of parts and the number of assembling steps, and can improve the appearance and grip feel of the grip portion.

  The handle according to claim 1 is a handle having a grip portion to which a harness is wired, and the grip portion is provided in a groove portion corresponding to a wiring position of the harness, and in the groove portion. A gripping part main body having a holding part, and a covering member wound around the gripping part main body and having an edge part accommodated in the groove part, the harness being wired in the groove part and the harness being the holding part Is held by the unit.

  A handle according to a second aspect is the handle according to the first aspect, wherein the groove is provided at a plurality of locations of the grip portion main body.

  The handle according to claim 3 is the handle according to claim 1 or 2, wherein the holding portion protrudes from a plurality of locations in the groove.

  According to the handle of the first aspect, by providing a part of the groove portion of the grip portion main body that accommodates the edge portion of the covering member corresponding to the wiring position of the harness, the harness can be wired in the groove portion. In addition, since it is possible to hold the harness in the groove portion by projecting the holding portion in the groove portion, the harness cover can be eliminated, the number of parts and the number of assembly steps can be reduced, and the covering can be performed. The appearance and grip feeling of the member can be improved.

  According to the handle according to claim 2, in addition to the effect of the handle according to claim 1, the groove portion is provided at a plurality of positions of the grip portion main body, and the harness is arranged by sharing a part of the groove portion. it can.

  According to the handle according to the third aspect, in addition to the effect of the handle according to the first or second aspect, the harness can be reliably held by the holding portions protruding from a plurality of locations in the groove portion.

It is sectional drawing (II sectional view taken on the line of FIG. 3) of the handle | steering_wheel which shows the 1st Embodiment of this invention. It is a partial expanded sectional view of a handle same as the above. It is a front view of a handle same as the above. It is an expanded sectional view of a part of handle which shows a 2nd embodiment of the present invention.

  Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

  1 to 3, reference numeral 10 denotes a steering wheel which is a (steering) handle of an automobile as a vehicle, for example. The steering wheel 10 includes a steering wheel main body 11 that is a handle main body, a pad body 12 that is mounted on the center passenger side of the steering wheel main body 11, and the like. The steering wheel 10 is normally mounted on a steering shaft provided in the vehicle in an inclined state. Hereinafter, the steering wheel 10 is viewed from the driver (occupant) side, the arrow U direction is the upper side, the arrow The D direction is the lower side, the front side of the vehicle, that is, the front windshield side above the front side is the front side or the rear side, and the rear side of the vehicle, ie, the lower side of the rear side, is the rear side, the front side or the front side.

  The steering wheel body 11 includes a rim portion (grip portion) 15 as a grip portion, a boss portion 16 positioned inside the rim portion 15, and a spoke portion 17 that connects the rim portion 15 and the boss portion 16. And. In the present embodiment, a plurality of spoke portions 17 are provided, and two left and right spoke portions 17 are provided. The steering wheel main body 11 includes a steering wheel base 18 that is a handle base. The steering wheel body 11 includes an intermediate layer member 19 disposed around the steering wheel base 18 in the rim portion 15. Further, the steering wheel body 11 includes a covering member 20 that is a skin of the rim portion 15. Further, the steering wheel main body 11 includes an electrical component placement portion 21. Further, the steering wheel main body 11 includes an electric component 22 arranged in the electric component arranging portion 21 of the rim portion 15, a power supply portion wired on the rim portion 15 and provided on the boss portion 16 side, and the electric component 22. A harness 23 that is a wire harness for electrical connection is provided. In addition, the steering wheel body 11 includes a boss cover (not shown) that covers the lower surface side of the boss portion 16.

  The rim portion 15 is a portion that is gripped by a driver (occupant). The rim portion 15 is at least partially formed along an arc. In the present embodiment, the rim portion 15 is formed in an annular shape. Hereinafter, the arrangement of each part of the steering wheel body 11 such as up, down, left, and right is based on the neutral position of the steering wheel 10.

  Further, the steering wheel base 18 includes a cored bar 25 and a resin layer 26 that covers a part of the cored bar 25.

  The metal core 25 is made of, for example, metal, and includes a substantially cylindrical boss 27 having a serration structure that meshes with the steering shaft on the rear surface side that is the vehicle body side of the boss portion 16. A boss plate 28 which is integrally fixed to form a core body is provided. A spoke mandrel portion 29 corresponding to the spoke portion 17 is continuously and integrally formed from the boss plate 28. Further, a rim core metal part 30 as a gripping part metal core corresponding to the rim part 15 is fixed to the spoke core metal part 29 of the spoke part 17 by welding or the like.

  The spoke mandrel 29 is provided radially. The spoke mandrel part 29 does not necessarily correspond to all the spoke parts 17, and some of the spoke parts 17 are not provided with the spoke mandrel part 29 and are configured by a finisher, a cover body, or the like. Also good. In the present embodiment, the spoke core metal part 29 protrudes from the left and right sides of the boss plate 28 and is connected to the rim core metal part 30 respectively.

  The rim core member 30 constitutes a part of the rim portion 15. The rim core part 30 is formed in a shape corresponding to the shape of the rim part 15. That is, the rim cored bar 30 has an annular shape that is formed, for example, at least partially along an arc according to the shape of the rim 15. In the present embodiment, the rim core bar 30 is formed in an annular shape.

  The resin layer 26 is formed so as to cover at least the rim core member 30. In the present embodiment, the resin layer 26 is formed so as to cover, for example, the entire rim core part 30 and a part of the spoke core part 29. More specifically, the resin layer 26 includes a rim resin layer portion 33 as a grip portion resin layer portion covering the rim core metal portion 30 at the position of the rim portion 15, and a spoke core metal portion 29 at the position of the spoke portion 17. The rim cored bar 30 and a spoke resin layer 34 that covers an area of a predetermined distance from the continuous end are integrally provided. The resin layer 26 is formed, for example, in a substantially circular cross section. As the resin layer 26, for example, a soft foamed polyurethane resin obtained by fine foaming is used. Further, the resin layer 26 is formed with a groove portion 35 for accommodating a covering member (for dropping the covering member) for accommodating and fixing the edge portion of the covering member 20. The resin layer 26 is molded using a molding die (mold) (not shown). This mold generally includes one half mold and another half mold so that a cavity formed between the one half mold and the other half mold is filled with a synthetic resin raw material. It has become.

  The rim resin layer part 33 forms a rim part body 37 as a grip part body constituting the rim part 15 together with the rim core part 30. That is, the resin layer 26 constitutes the rim main body 37 together with the cored bar 25. The rim body 37 is at least partially formed along an arc. The rim portion main body 37 is formed in an annular shape in the present embodiment.

  The spoke resin layer portion 34 is continuous with the rim resin layer portion 33 and protrudes from the rim resin layer portion 33 toward the spoke core metal portion 29 side.

  The groove portion 35 is formed on the surface of the resin layer 26 (rim portion main body 37). The groove 35 is formed in a groove shape having a predetermined width and a predetermined depth. The groove 35 is formed at a plurality of locations on the resin layer 26 (rim body 37). That is, the groove 35 includes a front-side groove 38 formed on the front side which is the occupant side of the resin layer 26 (rim body 37), and an electrical component placement portion side groove 39 formed on both sides of the electrical component placement portion 21. And an inner peripheral groove (not shown) formed in the circumferential direction along the inner periphery of the resin layer 26 (rim body 37). The front side groove portion 38 is formed along the circumferential direction of the rib portion 15, and the upper end side is communicated with the spoke portion 17 side, and the lower end side is communicated with the electric component placement portion 21 side. The electrical component placement portion side groove portion 39 is formed along the radial direction of the rim portion 15 on both sides of the electrical component placement portion 21, and the lower end side of the front side groove portion 38 is communicated. The inner circumferential groove is formed in the upper region of the rim 15 or the like. A part of the groove portion 35 is formed corresponding to the wiring position of the harness 23 for connecting the electrical component 22 of the rib portion 15 and the power supply portion provided on the boss portion 16 side. Is wired. That is, the front side groove portion 38 between the spoke portion 17 and the electrical component placement portion 21, the electrical component placement portion side groove portion 39, and the like are formed corresponding to the wiring position of the harness 23, and the harness 23 is wired to these. .

  A holding part 40 for holding the harness 23 wired in the groove part 35 is integrally projected in the groove part 35. In the present embodiment, holding portions 40 are projected from a plurality of locations in the groove portion 35. That is, on the inner wall surfaces on both sides of the groove portion 35, the pair of holding portions 40 are provided so as to face each other at a position away from the bottom surface of the groove portion 35 by a predetermined distance. The pair of holding portions 40 form a wiring groove portion 41 to which the harness 23 is wired on the bottom surface side in the groove portion 35, and an accommodation groove portion in which the edge portions 20a and 20a of the covering member 20 are accommodated on the front surface side in the groove portion 35. 42 is formed. The pair of holding portions 40 covers and holds the harness 23 wired in the wiring groove portion 41 in a lid shape. These holding portions 40 are formed in, for example, a substantially triangular shape in cross section, but may have other shapes such as a substantially semicircular cross section. Furthermore, these holding parts 40 may be provided continuously along the groove direction in the groove part 35, or may be provided in a dowel shape at predetermined intervals in the groove direction in the groove part 35. Note that the holding portion 40 may be provided at least in a partial region of the groove portion 35 corresponding to the wiring position of the harness 23.

  The groove 35 may be formed at the same time when the resin layer 26 is molded with a molding die, or may be formed after the resin layer 26 is molded.

  The intermediate layer member 19 is also called an element or the like, and is fixed to the surface of the resin layer 26 (rim body 37) with an adhesive. The intermediate layer member 19 includes a sheet member (mat portion) 44 formed in a sheet shape, and a wire rod 45 held by the sheet member 44. Both side edges of the intermediate layer member 19 are disposed on both sides of the groove portion 35 of the resin layer 26, and the groove portion 35 is opened. In the present embodiment, the intermediate layer member 19 is configured such that the wire 45 becomes a detector of the pressure sensor or the capacitance sensor by energization, and detects the gripping pressure of the rim portion 15 or the capacitance change, This is a sensor unit that detects gripping (presence / absence of gripping) of the rim portion 15 by the driver.

  The covering member 20 is a portion of the rim portion 15 that is directly gripped by the driver (occupant) and is a decoration portion of the steering wheel 10. The covering member 20 is formed in a sheet shape from, for example, leather such as natural leather or synthetic leather, or synthetic resin. The covering member 20 is attached to the surface side of the rim portion main body 37 so as to cover the intermediate layer member 19. The covering member 20 has edge portions 20a and 20a on both sides, and the edge portions 20a and 20a are dropped into the groove portion 35 and fixed. The covering member 20 is affixed to the front surface side of the rim portion main body 37 by an adhesive, and the edge portions 20a and 20a are bonded and fixed in the groove portion 35. A so-called grain-like linear design portion is formed in the edge portions 20a, 20a dropped into the groove portion 35 of the covering member 20. A stitch (not shown) is provided between the edges 20a and 20a dropped into the groove 35. Further, the covering member 20 may be integrally formed so as to continuously cover the entire surface of the rim portion main body 37, or may be formed separately for each part of the rim portion main body 37. In the present embodiment, the covering member 20 is divided into at least a covering member portion 48 other than the electrical component placement portion 21 and a covering member portion 49 of the electrical component placement portion 21.

  Further, the electrical component placement portion 21 is provided at a position different from the position where the spoke portion 17 of the rim portion 15 is connected. In the present embodiment, the electrical component placement portion 21 is provided at a lower position of the rib portion 15 which is an intermediate position from a position where the two spoke portions 17 of the rib portion 15 are connected. An electrical component 22 is disposed in the electrical component placement unit 21. For example, in the electrical component placement portion 21, the electrical component 22 is embedded in the resin layer 26, and the periphery is covered with the intermediate layer member 19 and the covering member 20.

  In the present embodiment, the electrical component 22 uses a vibration generating unit 52. The vibration generating unit 52 includes a motor 53 and a weight that is eccentrically rotated by the motor 53 to generate vibration. The vibration generating unit 52 is arranged in the electric component arrangement unit 21. The vibration generating unit 52 is fixed to, for example, the rim core metal part 30, and transmits the vibration from the rim core metal part 30 to the entire rim part 15. For example, in the case of an automobile having a lane departure detection function, when the lane departure is detected, the motor 53 is driven to generate vibration in the rim portion 15 so that the driver holding the rim portion 15 is alerted. .

  The harness 23 electrically connects a power supply unit provided on the boss 16 side and the motor 53 (electrical component 22). The harness 23 is composed of two electric wires in order to supply, for example, DC power to the motor 53 (electrical component 22). The harness 23 is wired from the boss portion 16 side to the rim portion 15 side through the spoke portion 17, and is also routed along the groove portion 35 of the rim portion 15 to be connected to the motor 53 of the electrical component placement portion 21. Is done. In the present embodiment, the harness 23 is wired from the boss portion 16 side through the one spoke portion 17 along the one front side groove portion 38 of the rim portion 15 and connected to the motor 53 of the electric component placement portion 21. The The harness 23 is wired on the bottom surface side of the groove portion 35 and is held in a state where it is wired on the bottom surface side of the groove portion 35 by a holding portion 40 protruding into the groove portion 35.

  The boss cover is also called a back cover, a lower cover, or a body cover, and is formed of synthetic resin or the like and covers the lower side of the boss portion 16.

  In addition, as the pad body 12, for example, an airbag device or a body housing an impact absorber can be used. The pad body 12 may be integrated with a horn switch mechanism as a switch device.

  When the steering wheel 10 is manufactured, first, a pre-molded cored bar 25 is set in a mold, and then one half mold and another half mold are matched (mold closed). A synthetic resin raw material is stirred and mixed into the cavity and injected into the cavity of the mold. As a result, the synthetic resin raw material reacts with foaming to become polyurethane and flows toward the fluid end, thereby forming the resin layer 26.

  The metal core 25 in which the resin layer 26 is formed in the cavity is removed from the mold in which one half mold and the other half mold are opened.

  Next, the vibration generating unit 52 is arranged in the electric component arrangement part 21 (rim part main body 37) of the rim part 15, and the power supply part provided on the boss part 16 side and the motor 53 are electrically connected by the harness 23. The harness 23 is wired from the boss portion 16 side through the spoke portion 17 to the rim portion 15 side, and is wired along the groove portion 35 of the rim portion 15, and is connected to the motor 53 of the electric component placement portion 21. The harness 23 to be wired in the groove portion 35 gets over the holding portions 40 protruding from the inner wall surfaces on both sides of the groove portion 35 and is wired on the bottom surface side of the groove portion 35. As a result, the harness 23 is held in the groove 35 by the holding portion 40.

  Further, the intermediate layer member 19 is wound around the surface of the resin layer 26 (rim portion main body 37) of the rim portion 15 to be bonded and fixed.

  Thereafter, the covering member 20 is wound around and attached to the surface side of the resin layer 26 (rim portion main body 37) of the rib portion 15 so as to cover the intermediate layer member 19. The edges 20a and 20a of the covering member 20 are dropped into the groove 35 and fixed. At this time, even if the edge portions 20a, 20a of the covering member 20 are excessively dropped into the groove portion 35, the edge portions 20a, 20a of the covering member 20 come into contact with the holding portion 40 protruding into the groove portion 35, The dropping of the edges 20a, 20a of the covering member 20 into the groove 35 is restricted, and the processing of the edges 20a, 20a of the covering member 20 can be performed appropriately. Then, by dropping and fixing the edge portions 20a, 20a of the covering member 20 into the groove portion 35, the surface opening side of the groove portion 35 is closed, and the harness 23 is accommodated and held in the groove portion 35.

  A pad body 12 and a boss cover are attached to the steering wheel body 11 to complete the steering wheel 10.

  Thus, in the present embodiment, the harness 23 is wired to the groove 35 by providing a part of the groove 35 that accommodates the edges 20a, 20a of the covering member 20 corresponding to the wiring position of the harness 23. In addition, it is possible to hold the harness 23 in the groove portion 35 by projecting the holding portion 40 in the groove portion 35, thereby eliminating the harness cover, the number of parts, and the assembly. The number of steps can be reduced, and the appearance and grip feeling of the covering member 20 can be improved.

  In addition, since a part of the groove 35 that accommodates the edges 20a, 20a of the covering member 20 can be effectively used for wiring of the harness 23, a harness wiring groove dedicated to wiring of the harness 23 is provided in the rim body 37 of the rib portion 15. This is not necessary, and the structure of the rim body 37 can be simplified.

  Further, since the harness 23 wired in the groove 35 can be held by the holding part 40 protruding into the groove 35, the harness 23 jumps out of the groove 35 when the covering member 20 is wrapped around the rib body 37. As a result, the assembly workability can be improved.

  Further, although the groove portions 35 are provided at a plurality of locations of the rib portion main body 37, the harness 23 can be wired by sharing a part of the groove portions 35.

  In addition, the harness 23 can be reliably held by the holding portions 40 protruding from a plurality of locations in the groove portion 35. As in the present embodiment, a pair of holding portions 40 are provided on the inner wall surfaces on both sides of the groove portion 35 at a predetermined distance from the bottom surface of the groove portion 35 so as to face each other, so that the inner surfaces on both sides of the groove portion 35 are By forming the narrow portion narrower than the interval between the wall surfaces, the harness 23 wired on the bottom surface side of the groove portion 35 can be reliably held.

  Next, a second embodiment will be described with reference to FIG. In addition, about the structure and effect | action similar to said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  In the present embodiment, the holding portion 40 of the first embodiment is integrally projected from the center of the bottom surface of the groove portion 35. The holding portion 40 has a substantially triangular cross section, and both side surfaces, that is, both inner wall surfaces are formed in an inclined shape. The holding part 40 has a height dimension from the bottom surface of the groove part 35 larger than the radial dimension of the harness 23, for example, the same as the diameter dimension of the harness 23. In addition, the holding portion 40 may be provided continuously along the groove direction in the groove portion 35 or may be provided at predetermined intervals in the groove direction in the groove portion 35.

  A pair of wiring groove portions 60 and 60 to which the harness 23 is wired are formed on both sides of the holding portion 40. In the present embodiment, one harness 23 is wired to each of the wiring groove portions 60 and 60. The wiring groove portions 60 and 60 are inclined so that the outer inner wall surface is substantially parallel to the inner wall surface of the holding portion 40. The groove widths of these wiring groove portions 60 and 60 are such that the harnesses 23 can be wired one by one. For example, the diameter of the harness 23 is the same or smaller so that the harness 23 is press-fitted into the wiring groove portions 60 and 60 and wired. May be.

  Thus, in the present embodiment, since the holding portion 40 protrudes from the center of the bottom surface of the groove portion 35, the wiring groove portions 60, 60 can be formed separately, and the harness 23 is wired to each wiring groove portion 60, 60 one by one. Can be held.

  Furthermore, since the wiring groove portions 60, 60 are formed in an inclined shape, the harness 23 can easily come into contact with the inner wall surfaces of the wiring groove portions 60, 60, and the harness 23 can be held. Furthermore, when the groove width of the wiring groove portions 60, 60 is the same as or smaller than the diameter of the harness 23, the harness 23 can be pressed into the wiring groove portions 60, 60 and held.

  In each of the above embodiments, the electrical component 22 is not limited to the vibration generating unit 52, and may be, for example, a heater device, a display, a speaker, or a switch, a microphone, or the like.

  Further, the number of the harnesses 23 wired in the groove portion 35 is not limited to two depending on the type of the electrical component 22, and may be one or three or more. In such a case, the position where the holding portion 40 is provided in the groove 35 and the number of the holding portions 40 may be set as appropriate so that each number of harnesses 23 can be held.

  Further, the groove portion 35 of the rim portion main body 37 is partially provided (front side groove portion 38) on the front side of the rim portion main body 37 and is used for wiring of the harness 23. Instead, it may be provided on the inner peripheral surface or the back surface and used for wiring of the harness 23. Further, the position and number of the groove portions 35 can be arbitrarily set according to the design of the steering wheel 10 or the like.

  Further, the holding part 40 may protrude from both the bottom surface side and the side wall surface of the groove part 35.

  Further, the intermediate layer member 19 may be a heater unit for adjusting the temperature of the rim portion 15, for example. In this case, for example, the wire 45 is a heater (heating wire) that generates heat when energized. Further, the intermediate layer member 19 may not be provided with functions such as a sensor unit and a heater unit, but may be a simple intermediate layer. Alternatively, the intermediate layer member 19 may be omitted.

  Further, the steering wheel 10 is not limited to the configuration including the two spoke portions 17, and may be configured to include three or four or more spoke portions 17.

  The present invention can be applied to, for example, the handles of various moving objects in addition to the handles (steering wheels) of automobiles.

10 Steering wheel that is a steering wheel
15 Rim as grip
20 Cover member
20a edge
23 Harness
35 Groove
37 Rim body as grip body
40 Holding part

Claims (3)

A handle having a grip portion to which a harness is wired,
The gripping part is wound around the gripping part main body, a gripping part main body having a groove part partially corresponding to the wiring position of the harness, and a holding part provided in the groove part, and has an edge part. A handle comprising: a covering member housed in the groove portion, wherein the harness is wired in the groove portion and the harness is held by the holding portion. The handle according to claim 1, wherein the groove portion is provided at a plurality of locations of the grip portion main body. The handle according to claim 1 or 2, wherein the holding portion protrudes from a plurality of locations in the groove portion.

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