JP2010241255A - Steering wheel leather periphery attachment device for vehicle wrapped with leather cord - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance quality of a leather winding steering wheel for a vehicle by reducing burden of a worker and uniformly covering a wheel part of the steering wheel by a circular ring-like leather when the steering wheel for the vehicle is covered by the circular ring-like leather. <P>SOLUTION: In the leather winding steering wheel leather periphery attachment device 10 for the vehicle, in the state that a part of a steering wheel part 14 fixed onto a table 103 is fixed to an adsorption fixing device 40 with a part of the circular ring-like leather 12 to perform positioning, a portion where the circular ring-like leather 12 is not fixed is hooked on an enlargement movement fixture 50 and is moved to an outer peripheral portion of the steering wheel part 14 to uniformly enlarge the circular ring-like leather 12. After the circular ring-like leather 12 is moved along the outer peripheral portion of the wheel part 14 by a leather guide fixture 60, the enlargement movement fixture 50 is upwardly pulling up and the circular ring-like leather 12 is peripherally attached to the outer peripheral portion of the steering wheel part 14. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a handle leather surrounding device for a leather-wrapped vehicle. Specifically, the present invention relates to a leather-wrapped vehicle handle leather surrounding device for covering an annular wheel portion with an annular leather.

In recent years, vehicle wheel handles have been improved from the viewpoint of improving handle operability with a good grip feeling and improving design by obtaining a high-grade appearance, etc. The exterior is covered with leather such as cowhide.
Conventionally, as a method of covering a vehicle handle with leather, first, the handle is fixed on the base, and the ring-shaped leather formed smaller than the diameter of the outer peripheral portion of the handle's annular wheel portion is used as the wheel portion. After being attached to a part of the wheel, the operator manually extended the annular leather by pulling the annular leather to the outer peripheral portion of the wheel portion, thereby covering the handle with the annular leather.

  Moreover, as a method of expanding the diameter of the annular leather with an apparatus, for example, Patent Document 1 shown below discloses the method. This leather diameter increasing device has a truncated cone-shaped vertical movement member arranged so as to be movable in the vertical direction at the center of the base, and is arranged above the base by arranging the vertical movement member in the central part. A donut disk-shaped radial guide member, and a plurality of extension pieces arranged in a circumferential direction on the radial guide member, each extension piece being an outer surface of the vertical movement member The guide mechanism has an inner peripheral surface that contacts the inner peripheral surface and an outer peripheral surface that contacts the inner peripheral surface of the annular leather, and guides each expansion piece to the radial direction guide member to move in the radial direction. Is provided. Then, in the leather diameter expansion process, the annular leather is directed to the outer peripheral surface of each diameter expansion piece, and the vertical movement member is moved upward to move the diameter expansion piece outward in the radial direction, and the circular leather is pulled and expanded. In the leather coating process, after moving each enlarged piece manually in the direction of decreasing the diameter, the annular leather is removed from each enlarged piece and placed on the upper part of the annular leather. The ring part of the steering wheel that is placed is covered while being pulled up and positioned. Thereafter, the leather side winding is sewn or bonded to complete the leather winding work on the steering wheel.

JP-A-3-246163

  However, in the method in which the annular leather is coated on the handle by the above-described device, the plurality of diameter expansion pieces used in the leather diameter expansion process must be manually returned to the original position every time the diameter expansion of the circular leather is completed. It was a laborious work. In addition, after removing the ring-shaped leather expanded in the leather diameter expansion process from each diameter expansion piece, in the leather coating process, the ring-shaped leather is pulled up to the steering wheel provided above each diameter expansion piece for positioning. However, it had to be covered, and the work process was complicated. Furthermore, in the case where the annular leather is expanded using the operator's human power, the worker has extended the annular leather by pulling the annular leather with the annular leather hooked on a part of the wheel portion of the handle. The work is very labor-intensive, and the work must be performed while taking care that the annular leather does not come off the wheel part. In addition, advanced technology is required to uniformly expand the annular leather, and the skill of the operator is also required.

  The present invention was devised as a solution to the above-mentioned conventional problems, and the problem to be solved by the present invention is to perform complicated work when covering the vehicle handle with the annular leather. It is intended to improve the quality of the handle for a leather-wrapped vehicle by lightening the burden on the operator without being necessary and uniformly covering the wheel portion of the handle with an annular leather.

The present invention takes the following means in order to solve the above problems.
A first aspect of the present invention is a leather-wrapped vehicle steering wheel leather covering device for covering an annular wheel portion with an annular leather, wherein the device base is provided with a handle having the annular wheel portion. A first handle set jig that is fixedly supported on the base, and a fixing device that fixes a part of the annular leather to an outer peripheral range of a part of the outer periphery of the wheel portion fixed and supported by the first handle set jig; By hooking the non-fixed facing part of the annular leather fixed to a part of the outer periphery of the wheel part by the fixing device, to the corresponding position to be attached to the wheel part of the fixedly supported handle ( An extension movement jig that can be moved at least (in the separation direction) and the outer shape of the portion to which the annular leather is hooked is a semicircular shape of the wheel portion, and the annular movement leather by the extension movement jig Is inserted between the semicircular outer shape portion of the extension movement jig and the annular leather hooked on the outer shape portion in a state where the wheel portion is to be worn around. A leather guide jig for circumferentially attaching the annular leather along the outer peripheral portion of the wheel portion by moving along the outer circumference of the wheel portion, and a wheel portion of the handle fixedly supported on the device base by a first handle set jig In addition, a part of the annular leather to be worn around is fixed by a fixing device, and the other part is hooked on the extension moving jig and is in a position corresponding to the wheel part to be put around. An annular leather is circumferentially attached along the outer peripheral portion of the wheel portion.

  According to the first invention, in a state in which a part of the annular leather is fixed to a part of the wheel portion of the handle and positioning is performed, the annular leather can be uniformly expanded by mechanical power. The annular leather can be uniformly coated on the outer peripheral portion of the wheel portion of the handle without requiring a complicated operation.

  2nd invention is the handle | steering-wheel leather surrounding device for leather-wrapped vehicles of the said 1st invention, Comprising: The said fixing device is an adsorption | suction fixing device which adsorbs and fixes a part of said annular leather. Features.

  According to the second invention, since the annular leather is fixed to the adsorption fixing device by the adsorption action, the annular leather can be fixed without being displaced with respect to the wheel portion of the handle.

According to the present invention, the following effects are obtained by the above-described means.
According to the first aspect of the present invention, the annular leather can be uniformly expanded by mechanical power in a state where the annular leather is partly fixed to the wheel part of the handle and positioned. Therefore, the annular leather can be uniformly coated on the outer peripheral portion of the wheel portion of the handle without requiring complicated work.
According to the second invention, since the annular leather is fixed to the adsorption fixing device by the adsorption action, the annular leather can be fixed without being displaced with respect to the wheel portion of the handle.

It is a perspective view which shows the whole structure of the handle | steering-wheel vehicle handle. It is a perspective view which shows the annular | circular shaped leather coat | covered with the handle | steering-wheel vehicle handle shown in FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a leather handle for a leather-wrapped vehicle according to an embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a rear view of a leather-wrapped vehicle handle leather surrounding device according to an embodiment of the present invention. It is an expansion perspective view of the adsorption fixing device in the handle leather surrounding device for leather-wrapped vehicles shown in FIG. It is a perspective view which shows the state which fixed the handle | steering-wheel leather surrounding device for leather-wrapped vehicles shown in FIG. FIG. 4 is a perspective view showing a state in which an annular leather is adsorbed and fixed to the leather-wrapped vehicle handle leather surrounding device shown in FIG. 3. FIG. 4 is a perspective view showing a state in which an annular leather is hooked on an expansion movement jig in the leather-wrapped vehicle handle leather surrounding device shown in FIG. 3. FIG. 4 is a perspective view showing a state in which the extension moving jig is moved to the wheel portion of the handle in the leather-wrapped vehicle handle leather surrounding device shown in FIG. 3. FIG. 4 is a perspective view showing a state in which a leather guide jig is inserted between an expansion movement jig and an annular leather in the leather-wrapped vehicle handle leather surrounding device shown in FIG. 3. FIG. 4 is a perspective view showing a state in which an annular leather is circumferentially worn along the outer periphery of the wheel portion of the handle in the leather-wrapped vehicle handle leather circumferential device shown in FIG. 3. It is a perspective view which shows the state which reversed and fixed the handle | steering-wheel which attached the annular | circular leather to the handle | steering-wheel leather surrounding apparatus for leather-wrapped vehicles shown in FIG.

Hereinafter, embodiments for carrying out the invention will be described with reference to the drawings.
FIG. 1 is a view showing the overall structure of a leather-wrapped vehicle handle. The handle 11 is composed of a plurality of spoke portions 16 and an annular wheel portion 14 supported by the spoke portions 16, and a first handle set jig 20 (described later) is disposed at the center of the handle 11. The center handle 18 is fitted to the first handle support protrusion 22 (see FIG. 3) and the second handle support protrusion 30 of the second handle set jig 28 (see FIG. 3). An alignment line 19 for aligning the annular leather 12 covered with the handle 11 is provided at the center of the inner peripheral portion of the handle 11.

  FIG. 2 is a view showing an annular leather covered with a leather vehicle handle. The annular leather 12 is formed into a three-dimensional annular shape by sewing and joining the cut sheet-shaped leather joint portion 17, and the spoke portions 16 are provided on the edges 15 a and 15 b of the annular leather 12. A plurality of spoke projections 13 for covering are provided. The inner diameter of the annular leather 12 is formed to be smaller than the outer peripheral portion of the wheel portion 14, and when the annular leather 12 is covered on the outer peripheral portion of the wheel portion 14, the annular leather 12 is pulled and adhered. In this state, the outer peripheral portion of the wheel portion 14 is covered.

FIG. 3 is a perspective view of a leather-wrapped vehicle handle leather surrounding device according to an embodiment of the present invention. The leather-wrapped vehicle handle leather surrounding device 10 includes a first handle set jig 20 on a table 103 of a base 102, and a first handle support projection at an upper end of the first handle set jig 20. 22 is provided. The handle 11 is fixed on the table 103 by fitting the center hole 18 of the handle 11 into the first handle supporting protrusion 22. Further, a spoke support portion 24 is fixed on the table 103 by an angle 26 in front of the first handle set jig 20, and the spoke support portion 24 abuts on the inner surface of the handle spoke portion 16 to support the handle 11. It has a configuration.
In addition, a second handle set jig 28 is provided at a position facing the first handle set jig 20 with the spoke support portion 24 interposed therebetween, and a second handle support jig is provided at the upper end of the second handle set jig 28. A projection 30 is provided. Further, the second handle setting jig 28 is provided on a support plate 32, and this support plate 32 is connected to three rods 36 of a cylinder 34 as shown in FIG. The second handle set jig 28 can be expanded and contracted in the vertical direction in accordance with the vertical movement.

Further, on the table 103, a suction fixing device 40 including a receiving table 42 and a suction box 44 adjacent to the receiving table 42 is provided. The cradle 42 includes a contact part 42a disposed in parallel with the suction box 44 and a support part 42b that supports the contact part 42a. Further, as shown in FIG. 5, the abutting portion 42 a is provided with a notch 43, and a part of the inner peripheral portion of the wheel portion 14 is supported by the notch 43. Further, the surface of the suction box 44 that faces the abutting portion 42 a has a curved shape corresponding to the outer peripheral portion of the wheel portion 14, and has a number of circular suction holes 45. The annular leather 12 can be held in the suction box 44 by the suction action by the suction holes 45.
Therefore, in the suction fixing device 40, when the handle 11 is fixed to the first handle set jig 20, a part of the wheel portion 14 is disposed so as to be positioned between the contact portion 42a and the suction box 44. The abutting portion 42 a of the cradle 42 abuts on the inner peripheral portion of the portion 14. Then, in a state where the annular leather 12 is adsorbed by the adsorption box 44 having the suction holes 45, the adsorption box 44 moves in the direction of the pedestal 42, so that the inner side of the annular leather 12 is pressed against the outer peripheral portion of the wheel portion 14. Then, both the handle 11 and the annular leather 12 are fixed to the suction fixing device 40.

  The suction holes 45 provided in the suction box 44 are evenly provided on the surface with which the annular leather 12 abuts. The diameter of the suction hole 45 is formed in the range of 1 mm to 10 mm, more preferably in the range of 3 mm to 7 mm so that the annular leather 12 can be adsorbed and held. Moreover, it is preferable that the space | interval of the suction holes 45 is formed at equal intervals in the range of 1 mm-10 mm.

  An extension moving jig 50 is provided on the upper portion of the support column 59 on which the suction box 44 is supported. The extended moving jig 50 has a semicircular outer shape, and has a shape corresponding to the outer peripheral portion of the wheel portion 14. Further, the extended movement jig 50 is connected to a shaft 58 provided on the support column 59 via drive bushes 57a and 57b, and is attached to the shaft 58 so as to be rotatable around the axis. Further, leather expansion cylinders 52a and 52b are coupled in parallel to piston rods 54a and 54b to connecting portions 51a and 51b of expansion moving jig 50 that are not semicircular. When the extension moving jig 50 rotates and is positioned horizontally with the table 103, the piston rods 54a and 54b of the leather extension cylinders 52a and 52b operate, so that the extension moving jig 50 expands and contracts horizontally with the table 103. Move freely. Further, stoppers 56a and 56b are provided at the other ends of the piston rods 54a and 54b to which the extension moving jig 50 is attached, and the extension movement jig 50 allows the piston rods 54a and 54b to be extended by the stoppers 56a and 56b. It is configured to be stopped.

As shown in FIG. 4, a rotation shaft 65 is provided at the center of the semicircular shape on the back surface of the extension moving jig 50, and the rotation shaft 65 is supported by a first bearing 68 and a second bearing 70. And is fixed by a stopper 72. A guide base 62 is supported between the first bearing 68 and the second bearing 70 via a bracket 64, and the guide base 62 is attached so as to be rotatable around the axis of the rotary shaft 65. It has been. A holder 63 is provided at the other end of the guide base 62 where the bracket 64 is not connected. A plate 66 is rotatably supported by the holder 63 by a hinge pin 67. A support portion 61 is attached to the plate 66, and the leather guide jig 60 is supported by the support portion 61. The leather guide jig 60 can be rotated in the horizontal direction or the vertical direction with respect to the expansion movement jig 50 by the rotation of the plate 66.
Therefore, the leather guide jig 60 is supported in the vertical direction with respect to the expansion movement jig 50 in a state where the expansion movement jig 50 is positioned in the horizontal direction with respect to the table 103, and the semicircular shape portion of the expansion movement jig 50. Can be moved along.

  A button base 104 provided in the base 102 is provided with a start switch 106 and an emergency stop switch 107, and a foot switch 110 is provided below the base 102. These control together with a control panel 108 provided below the base 102 and a compressor 112 including an air-conditioner 116 and a solenoid valve 114 to control the operation of the leather-wrapped vehicle handle leather surrounding device 10.

  Next, a method of covering the annular leather 12 on the wheel portion 14 of the handle 11 will be described. First, as shown in FIG. 6, the handle 11 is fixed on the table 103 by fitting the first handle support protrusion 22 of the first handle setting jig 20 into the center hole 18 of the handle 11. At this time, a part of the inner peripheral portion of the wheel portion 14 is in contact with and supported by the notched portion 43 of the contact portion 42a. Then, as shown in FIG. 7, a part of the annular leather 12 is inserted between the outer peripheral portion of the wheel portion 14 and the suction box 44, and the spoke projections 13 of the annular leather 12 are spokes of the handle 11. Positioning is performed so as to correspond to the position of the portion 16. Then, the foot switch 110 provided at the lower part of the base 102 is operated, and the portion where the annular leather 12 is inserted is sucked and held in the suction box 44. Further, by operating the start switch 106, the suction box 44 moves to the wheel portion 14 side, and a part of the annular leather 12 is moved to the outer peripheral portion of the wheel portion 14 by the contact portion 42 a of the pedestal 42 and the suction box 44. Adsorbed and fixed to a part of

  Next, as shown in FIG. 8, the extension moving jig 50 is lowered to the upper part of the handle 11 so as to be horizontal with respect to the handle 11 by manual work. And the opposing site | part which is not adsorbed-fixed by the adsorption | suction fixing device 40 of the annular | circular shaped leather 12 is hooked on the semicircular shape part of the extended movement jig 50. FIG. Then, by operating the start switch 106, as shown in FIG. 9, the piston rods 54a, 54b of the leather expansion cylinders 52a, 52b connected to the expansion movement jig 50 are extended, so that the expansion movement jig 50 is annular. The leather 12 moves in the direction of expanding the diameter. By the movement of the expansion moving jig 50, the annular leather 12 is uniformly expanded to the outer peripheral portion of the wheel portion 14. Then, the stoppers 56a and 56b attached to the other end portions of the piston rods 54a and 54b come into contact with the leather expansion cylinders 52a and 52b, and the expansion of the expansion moving jig 50 is stopped.

  Next, as shown in FIG. 10, in a state where the annular leather 12 is expanded and pressed against the semicircular shape portion of the extension moving jig 50, the operator holds the gripping portion 76 of the leather guide jig 60 and the leather. The guide jig 60 is supported in the vertical direction with respect to the expansion movement jig 50, and the leather guide jig 60 is moved to the side end portion of the semicircular shape portion of the expansion movement jig 50 according to the rotation of the rotation shaft 65. Then, the insertion portion 78 of the leather guide jig 60 is inserted between the annular leather 12 and the extension movement jig 50, and the leather guide jig 60 is placed in the semicircular shape of the extension movement jig 50 along the semicircular shape of the extension movement jig 50. Move to the other end. By moving the leather guide jig 60 along the semicircular shape of the extension movement jig 50, the outer circumferential portion of the wheel portion 14 positioned at the lower part of the extension movement jig 50 causes the annular leather 12 in close contact with the semicircular shape part. The annular leather 12 can be attached along the outer peripheral portion of the wheel portion 14. Further, since the annular leather 12 can be expanded in a state where a part of the annular leather 12 is fixed together with a part of the wheel portion 14 by the suction fixing device 40, the annular leather 12 is positioned with respect to the handle 11. The outer peripheral portion of the wheel portion 14 can be attached without being displaced. When the leather guide jig 60 moves from the semicircular side end portion of the expansion movement jig 50 to the other end portion, the insertion portion 78 of the leather guide jig 60 is inserted between the expansion movement jig 50 and the annular leather 12. The leather guide jig 60 is extracted and stored on the guide table 62.

Then, as shown in FIG. 11, the expansion movement jig 50 is pulled up from the upper part of the expanded annular leather 12, and the activation switch 106 is operated to return the expansion movement jig 50 and the suction box 44 to the original positions. The handle 11 is removed from the first handle supporting protrusion 22.
Next, the start switch 106 is operated to extend the three rods 36 of the cylinder 34 provided at the lower portion of the support plate 32, and the support plate 32 is moved upward. Then, as shown in FIG. 12, the removed handle 11 is fixed again to the second handle support projection 30 of the second handle set jig 28 positioned above the support plate 32 in a state where the handle 11 is reversed upside down. . Since the spoke portion 16 is inclined in a tapered shape toward the center portion, the handle 11 is inverted in the upside down direction with the second handle set jig 28 moved upward by the extension of the rod 36 of the cylinder 34. Let it fix. And after aligning the edge parts 15a and 15b of the annular leather 12 with the alignment line 19 provided in the inner peripheral part of the handle 11, the spoke part of the annular leather 12 corresponding to the plurality of spoke parts 16 of the handle 11 The alignment of the projection 13 is confirmed. And after adhering the edge parts 15a and 15b of the annular | circular shaped leather 12 joined by the inner peripheral part of the wheel part 14 using an adhesive agent, the protrusion part 13 part for spoke parts is also bonded together. Then, after the bonded portions are sewn and joined, the leather is trimmed with hot air to complete the leather vehicle handle.

Note that the present invention is not limited to the above-described embodiment, and various other embodiments are conceivable without departing from the gist of the present invention.
The annular leather 12 covered with the handle 11 is not limited to natural leather such as cow leather, and may be synthetic leather or the like. Further, the outer surface of the annular leather 12 may be subjected to a process for improving the design such as a texture process. Further, when the leather is formed in an annular shape, a plurality of sheets may be sewn to form the leather in an annular shape.
Further, the suction box 44 may not be provided with the suction hole 45, and a part of the annular leather 12 may be part of the outer peripheral part of the wheel part 14 by the contact part 42 a of the cradle 42 and the suction box 44. It may be held and fixed.

DESCRIPTION OF SYMBOLS 10 Handle leather surrounding device for leather-wrapped vehicles 11 Handle 12 Ring-shaped leather 14 Wheel part 16 Spoke part 20 First handle set jig 22 First handle support protrusion 28 Second handle set jig 30 Second handle support protrusion 32 Support plate 40 Suction fixing device 42 Receiving base 42a Contact part 42b Support part 43 Notch part 44 Suction box 45 Suction hole 50 Expansion moving jig 51 Connection part 52 Leather expansion cylinder 54 Piston rod 58 Shaft 60 Leather guide jig 61 Support part 62 Guide base 65 Rotating shaft 66 Plate 67 Hinge pin 76 Grip part 78 Insertion part 102 Base 103 Table 106 Start switch 110 Foot switch

Claims (2)

A leather-wrapped vehicle handle leather surrounding device for covering an annular wheel portion with an annular leather,
A first handle set jig for fixing and supporting a handle having the annular wheel portion on the device base, and a part of the outer periphery of the wheel portion of the handle fixed and supported by the first handle set jig A fixing device for fixing a part of the annular leather to the outer peripheral range of the annular leather, and a non-fixed facing portion of the annular leather fixed to a part of the outer periphery of the wheel portion by the fixing device. The wheel portion of the handle that is fixedly supported can be moved at least to a corresponding position to be worn (in the separating direction), and the outer shape of the portion on which the annular leather is hooked is a semicircular shape of the wheel portion. The extended movement jig, the semicircular outer shape portion of the extended movement jig, and the outer shape in a state where the extended movement jig is in a corresponding position of the wheel portion around which the annular leather is to be worn. And a leather guide jig to the circumferential wear along the outer periphery of the circular annular leather the wheel portion by moving along the outer shape portion is inserted between the annular leather was hooked on,
A part of the annular leather to be worn around is fixed to the wheel part of the handle fixedly supported on the device base by the first handle setting jig, and the other part is attached to the extended moving jig for the circumference. A handle leather peripheral device for a leather-wound vehicle, wherein the annular leather is peripherally attached along the outer peripheral portion of the wheel portion by a leather guide jig as a position state corresponding to the wheel portion to be attached. It is a handle leather surrounding device for leather vehicles according to claim 1,
The above-mentioned fixing device is an adsorption fixing device that adsorbs and fixes a part of the above-mentioned annular leather, and is a leather steering wheel leather surrounding device.

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