JP2008132863A - Arrangement structure of linear member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide arrangement structure of a linear member, covering a linear member with simple structure while ensuring appearance. <P>SOLUTION: In the arrangement structure 22 of a linear member, a variable handle stem 45 is covered by a handle stem cover 43, and a starter motor 32 disposed to one side of the handle stem 45 is connected with a starter switch 101 disposed to the other side of the handle stem 45 by a wire harness 103. In the arrangement structure 22 of a linear member, the wire harness 103 is formed of a relatively hard harness part 111 and a soft harness part 112, and the soft harness part 112 is covered by the handle stem cover 43. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a linear member arrangement structure in which a length of a frame member is variable and a member on one side and a member on the other side of the frame member are connected / connected by a linear member.

For example, in order to supply electricity from the body side of an automobile to the slide door side, or to send an electrical signal from the slide door side to the body side, a wire harness (hereinafter referred to as a wire) is provided between the body side and the slide door side. (Referred to as a member).
The linear members arranged on the vehicle body side and the slide door side are exposed to the outside by the movement of the slide door.

In order to prevent the exposure of the linear member, the linear member disposed on the vehicle body side and the slide door side is covered with a cylindrical cover member, and the cover member is configured to be movable in accordance with the movement of the slide door. Things are known.
According to the arrangement method of the linear member, when the sliding door slides, the linear member can be covered with the cylindrical cover member to ensure the appearance (for example, see Patent Document 1). .)
JP 2004-112984 A

However, in the method for disposing the linear member of Patent Document 1, in order to cover the linear member with the cylindrical cover member, a cylindrical cover member must be newly provided.
In order to cover the linear member, it is necessary to newly provide a cylindrical cover member, and the configuration becomes complicated, the number of parts increases, and there remains room for improvement from this viewpoint.

  An object of the present invention is to provide an arrangement structure of a linear member that can cover the linear member with a simple configuration and can ensure appearance.

  The invention according to claim 1 is configured such that the length of the frame member is variable, at least a part of the frame member is covered with a cover member, and one side member provided on one side of the frame member; In the arrangement structure of the linear member that connects / connects the other side member provided on the other side of the frame member with the linear member, the linear member is formed of a relatively hard portion and a soft portion. The soft portion is covered with the cover member.

  In Claim 2, The said linear member was divided into the said hard part and the said soft part by changing a core wire, It is characterized by the above-mentioned.

  In Claim 3, The said linear member forms the said hard part by making a wire for reinforcement follow a core wire, It is characterized by the above-mentioned.

  In Claim 4, The said linear member was divided into the said hard part and the said soft part by varying the hardness of the coating | coated part which covers a core wire, It is characterized by the above-mentioned.

  5. The frame member according to claim 5, wherein the frame member includes a lower post provided on a work machine main body, and an upper post slidably provided on the lower post, and an operation handle gripped by an operator is provided on the upper post. The linear member is a wire harness for signal transmission that connects a work machine main body side member that is the one side member and an operation handle side member that is the other side member.

In the invention according to claim 1, the length of the frame member is variable, and at least a part of the frame member is covered with the cover member. One side member and the other side member of the frame member were connected / connected with a linear member.
This linear member was formed of a relatively hard portion and a soft portion, and the soft portion was covered with a cover member.

By providing the soft part on the linear member, the soft part can be loosened in accordance with the change in the length of the frame member.
The soft part is covered with an existing cover member. Thereby, the slack part with the existing cover member can be hidden, and an external appearance property can be ensured favorable.
In addition, since slack does not generate | occur | produce in a hard part, even if a hard part is visually observed from the outside, an external appearance property is not impaired.

As described above, the linear member is formed of the hard part and the soft part, and only the soft part is loosened to cover the slack part using the existing cover member.
Therefore, it is not necessary to newly provide a cover member to cover the slack portion.
Thereby, there exists an advantage that a linear member can be covered with a simple structure and an external appearance property can be ensured favorable.

In the invention which concerns on Claim 2, the linear member was divided into the hard part and the soft part by changing the core wire of a linear member.
Since only the core wire of the linear member is changed, there is an advantage that the linear member can be divided into a hard part and a soft part with a simple configuration.

In the invention which concerns on Claim 3, the hard part was formed by letting the wire for reinforcement be along a core wire.
Since a hard part can be formed only by making the reinforcing wire along the core wire, there is an advantage that the linear member can be divided into a hard part and a soft part with a simple configuration.

In the invention which concerns on Claim 4, the linear member was divided into the hard part and the soft part by varying the hardness of the coating | coated part which covers a core wire.
Since only the hardness of a coating | coated part is varied, there exists an advantage that a linear member can be divided with a simple structure in a hard part and a soft part.

In the invention according to claim 5, the frame member is constituted by the lower post and the upper post, and the operation handle is provided on the upper post.
Thereby, there exists an advantage that the height of an operation handle can be freely adjusted according to an operator's physique and work form by raising / lowering an upper post.

In addition, a wire harness connecting the work machine main body side member and the operation handle side member was formed of a relatively hard portion and a soft portion, and the soft portion was covered with a cover member.
Therefore, it is possible to loosen the soft part corresponding to the raising and lowering of the upper post.
Since the soft portion is covered with the existing cover member, the loose portion can be hidden with the existing cover member.
Furthermore, since no slack occurs in the hard part, the appearance is not impaired even if the hard part is visually observed from the outside.
Thereby, when raising and lowering the upper post, there is an advantage that good appearance can be maintained with a simple configuration.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. “Front”, “back”, “left”, and “right” indicate Fr as the front side, Rr as the rear side, L as the left side, and R as the right side according to the direction viewed from the operator.
In addition, in this Embodiment, although a walk type tiller is illustrated as a working machine, a working machine is not limited to a walking type tiller.

FIG. 1 is a side view showing a working machine provided with a linear member arrangement structure (first embodiment) according to the present invention.
A walking type tiller 10 as a work machine includes an engine 13 mounted on an upper portion 12a of a transmission case 12 that also serves as a work machine body, a speed change mechanism (not shown) provided in the transmission case 12, and a transmission case 12 Left and right drive wheels 15 and 15 provided at the rear end portion 12b, a rotary working portion 17 and auxiliary wheels 18 provided at the front end portion 12c of the transmission case 12, and a rear end portion 12b of the transmission case 12. A handle device 20 and a linear member arrangement structure 22 for connecting / connecting a member on the handle device 20 side and a member on the transmission case 12 side.

The engine 13 includes a crankshaft 31 that is an output shaft, and is a vertical engine in which the crankshaft 31 is placed vertically, that is, extended downward.
The engine 13 includes a starter motor (one side member) 32 for starting, and a throttle lever 34 that adjusts the opening degree of the throttle valve 33.

A lower end portion of the crankshaft 31 is connected to the speed change mechanism via a travel clutch 35. The transmission mechanism and the travel clutch 35 are provided inside the transmission case 12.
The travel clutch 35 includes a clutch lever 36 that switches the travel clutch 35 between an on state and an off state.

By turning the traveling clutch 35 on, the rotation of the engine 13 is transmitted to the left and right drive wheels 15 and 15 and the rotary working unit 17 via the transmission mechanism.
Thus, the rotary working unit 17 is rotated while traveling with the left and right drive wheels 15. As the rotary working unit 17 rotates, the tilling claws 37 rotate to cultivate the soil.

On the other hand, the traveling clutch 35 is turned off so that the rotation of the engine 13 is not transmitted to the transmission mechanism.
As a result, the left and right drive wheels 15, 15 are kept stationary, and the rotary working unit 17 is kept stationary.

FIG. 2 is a perspective view showing a handle device having a linear member arrangement structure according to the first embodiment, and FIG. 3 is a perspective view showing a state in which a handle post cover is removed from the handle device of FIG.
The handle device 20 covers the handle post unit 41, a handle post unit 41 provided at the rear end 12 b of the transmission case 12, an operation handle unit 42 swingably provided at the upper end of the handle post unit 41, and the handle post unit 41. A handle post cover (cover member) 43 covering a part of the operation handle unit 42 is also provided.

The handle post unit 41 includes a handle post (frame member) 45 provided on the rear end portion 12b of the transmission case 12 so as to be extendable (variable), and a slide switching means 46 for switching the handle post 45 to be extendable.
The handle post 45 includes a lower fixing post (lower post) 51 and an upper lifting / lowering post (upper post) 52 which are divided into a plurality (two) in the longitudinal direction.

In the lower fixing post 51, a left lower post portion 54 is attached to the rear end portion 12 b of the transmission case 12 via a left mounting bracket 56, and a right lower post portion 55 is attached via a right mounting bracket 57.
The left and right lower post portions 54 and 55 are each formed of a pipe and extend upward from the rear end portion 12b of the transmission case 12 in an upward gradient.

In the left lower post portion 54, a plurality of left lock holes 54a are formed in the wall portion facing the right lower post portion 55 at a predetermined interval.
The right lower post portion 55 has a plurality of right lock holes 55a formed at predetermined intervals in a wall portion facing the left lower post portion 54.

  The upper elevating post 52 includes a left upper post portion 58 that is slidably fitted to the upper half 54b of the left lower post portion 54, a right upper post portion 59 that is slidably fitted to the upper half 55b of the right lower post portion 55, A support beam 61 is connected to the upper ends of the left and right upper post portions 58 and 59, and a post connecting member 62 is bridged to the lower ends of the left and right upper post portions 58 and 59.

The left and right upper post portions 58 and 59 and the support beam portion 61 are members formed by bending in a substantially inverted U shape with pipes.
The left upper post portion 58 has a left holding hole 58 c formed in a wall portion facing the right upper post portion 59.
The right upper post portion 59 has a right holding hole 59 c formed in a wall portion facing the left upper post portion 58.

  That is, the handle post 45 extends upward from the rear end portion 12b of the transmission case 12 with an upward slope, and the lower fixing post 51 and the upper elevating post 52 are configured to be slidable in the longitudinal direction.

  The slide switching means 46 is provided on the post connecting member 62 and switches between a sliding state in which the lower fixing post 51 and the upper elevating post 52 can slide in the longitudinal direction and a holding state in which the lower fixing post 51 and the upper elevating post 52 are held at predetermined positions.

According to the slide switching means 46, the right and left lock pins are retracted from the lock holes 54a, 55a, etc. by grasping the switch handle 47 with a hand and rotating the switch handle 47 in the direction of the arrow.
Therefore, the upper elevating post 52 can be moved up and down along the lower fixing post 51.
When the upper elevating post 52 is held at a predetermined position, the turning power is released from the switching handle 47. The left and right lock pins enter the lock holes 54a, 55a with left and right return springs.
Therefore, the upper elevating post 52 can be held at a predetermined position.

  The operation handle unit 42 includes a support member 64 attached to the support beam portion 61 of the handle post 45, an operation handle 65 provided swingably on the support member 64, and a swing switching means provided on the support member 64. 66, and a clutch operating lever 68 for travel provided on the operation handle 65 in a swingable manner.

In the support member 64, a support bracket 71 is attached to the support beam portion 61, and a storage recess (not shown) is provided in the support bracket 71.
The storage recess supports the handle support shaft portion 74 of the operation handle 65 in a rotatable manner.
The swing switching means 66 switches between a swinging state in which the operation handle 65 can swing and a holding state in which the operation handle 65 is held at a predetermined position.

The operation handle 65 includes a handle support shaft portion 74 extending in the width direction of the work implement body, a left handle side portion 75 extending rearward from the left end portion of the handle support shaft portion 74, and a right end of the handle support shaft portion 74. A right handle side portion 76 extending rearward from the portion, and a handle grip portion 77 connected to the rear end portions of the left and right handle side portions 75, 76.
The operation handle 65 is formed in a substantially rectangular loop shape by a handle support shaft portion 74, left and right handle side portions 75 and 76, and a handle grip portion 77.

The operating handle 65 is provided with a traveling clutch operating lever 68 that can swing around the support pins 83, 83.
A cable bracket 91 is provided on the right lever side portion 86 of the clutch operation lever 68. The cable bracket 91 is connected to the clutch lever 36 (see FIG. 1) via the clutch cable 92.
The clutch cable 92 is a power transmission cable that transmits the power of the clutch operation lever 68 to the clutch lever 36.

The clutch operation lever 68 is overlapped with the operation handle 65 by gripping the clutch operation lever 68 together with the operation handle 65. The clutch cable 92 is pulled, and the traveling clutch 35 is turned on.
The clutch operation lever 68 is separated from the operation handle 65 by releasing the grip of the clutch operation lever 68. The pulled state of the clutch cable 92 is released, and the traveling clutch 35 is turned off.

The handle post cover 43 includes an upper cover portion 93 and a lower cover portion 94.
The upper cover portion 93 includes a substantially rectangular outer peripheral wall 95 and a substantially rectangular inner peripheral wall 96, thereby forming a substantially rectangular central opening 97 at the center and an operation panel 98 at the upper end. Is formed.

The upper cover portion 93 is covered with the upper elevating post 52, the slide switching means 46, the handle support shaft portion 74, and the swing switching means 66 to cover these members.
That is, the upper cover portion 93 is configured to cover at least a part (upper elevating post) 52 of the handle post 45.
The lower cover portion 94 is bolted to the bottom opening 93 a of the upper cover portion 93.
A switching handle 47 of the slide switching means 46 is disposed in the central opening 97.

The operation panel 98 is provided with a starter switch (other member) 101 and a throttle operation lever 102.
The starter switch 101 is connected to a starter motor 32 (see FIG. 1) of the engine 13 via a wire harness (linear member) 103.
By pressing the starter switch 101, the switch is turned on and the starter motor 32 is activated. The engine 13 is started by the starter motor 32 operating.

The throttle operating lever 102 is connected to a lever 106 via a support shaft 105 shown in FIG. The lever 106 is connected to the throttle lever 34 (see FIG. 1) via the throttle cable 107.
The throttle cable 107 is a power transmission cable that transmits the power of the throttle operation lever 102 to the throttle lever 34.
The throttle lever 34 is operated by operating the throttle operation lever 102 in the front-rear direction. By operating the throttle lever 34, the opening degree of the throttle valve 33 is adjusted.

The linear member arrangement structure 22 includes a clutch cable 92 that connects the clutch operating lever 68 and the clutch lever 36 (see FIG. 1), and a throttle cable 107 that connects the throttle operating lever 102 and the throttle lever 34 (see FIG. 1). And a wire harness 103 for connecting the starter switch 101 and the starter motor 32 (see FIG. 1).
Hereinafter, the linear member arrangement structure 22 will be described in detail with reference to FIGS.

4 is a view taken in the direction of arrow 4 in FIG.
The upper cover 93 has an outer shape of the ceiling portion 99 formed in a substantially rectangular shape, an outer peripheral wall 95 is provided along the outer edge of the ceiling portion 99, and a central opening 97 is formed in the approximate center of the ceiling portion 99. An inner peripheral wall 96 is provided along the periphery of the central opening.
An internal space 145 is formed in a donut shape by the ceiling portion 99, the outer peripheral wall 95 and the inner peripheral wall 96.
The internal space 145 accommodates the upper elevating post 52, the main body portion 46a of the slide switching means 46, the handle support shaft portion 74, and the like.

This internal space 145 is a donut-shaped space formed by a left internal space 145a, a right internal space 145b, a rear internal space 145c, and a front internal space 145d.
In the upper lift post 52, the left upper post portion 58 is accommodated in the left internal space 145a, the right upper post portion 59 is accommodated in the right internal space 145b, the support beam portion 61 is accommodated in the rear internal space 145c, and the post connecting member 62 is It is stored in the front internal space 145d.

A lower end portion 58 d of the left upper post portion 58 passes through the front left concave portion 95 a of the outer peripheral wall 95 and protrudes forward from the left side of the upper cover portion 93.
A lower end portion 59 d of the right upper post portion 59 penetrates the front right side recess 95 b of the outer peripheral wall 95 and protrudes forward from the right side of the upper cover portion 93.

A support member 64 extends rearward from the support beam portion 61, and a handle support shaft portion 74 of the operation handle 65 is swingably connected to the support member 64.
The support member 64 and the handle support shaft portion 74 are accommodated in the rear internal space 145c.
The left end portion 74 a of the handle support shaft portion 74 passes through the rear left concave portion 95 c of the outer peripheral wall 95 and protrudes from the left side of the upper cover portion 93 toward the left outside.
The right end portion 74 b of the handle support shaft portion 74 passes through the rear right side recess 95 d of the outer peripheral wall 95 and protrudes from the right side of the upper cover portion 93 toward the right outside.

  In the linear member arrangement structure 22, the clutch cable 92 is wound in a loop between the clutch operating lever 68 (see FIG. 3) and the clutch lever 36 (see FIG. 1), and the throttle cable 107 is connected to the throttle operating lever 102 and the throttle lever. The lever 34 (see FIG. 1) is wound in a loop shape, and the clutch cable 92a and the throttle cable 107a wound in a loop shape are accommodated in a donut-shaped internal space 145 of the handle post cover 43.

Here, the handle post cover 43 is an existing cover for covering the upper elevating post 52, the main body portion 46 a of the slide switching means 46, the handle support shaft portion 74, and the swing switching means 66.
Therefore, it is not necessary to newly provide a cover member for accommodating the clutch cable 92a and the throttle cable 107a wound in a loop shape.

Further, a donut-shaped storage space 145 is formed by the outer peripheral wall 95 and the inner peripheral wall 96 of the upper cover portion 93, and the clutch cable 92a and the throttle cable 107a wound in a loop shape are stored in the storage space 145.
Therefore, the inner peripheral wall 96 can restrict the clutch cable 92a and the throttle cable 107a wound in a loop from being displaced in the handle post cover 43.

Here, the clutch cable 92 and the throttle cable 107 are inserted through first to seventh guide members (guide members) 161 to 167, respectively.
The first to seventh guide members 161 to 167 are members that guide the clutch cable 92 and the throttle cable 107 so as to move smoothly.

The first and second guide members 161 and 162 are provided at the upper left corner portion 171 of the upper elevating post 52. The third guide member 163 is provided at the upper right corner portion 172 of the upper elevating post 52.
The fourth and fifth guide members 164 and 165 are provided at the left end portion of the post connecting member 62. The sixth and seventh guide members 166 and 167 are provided at the right end of the post connecting member 62.

  The linear member arrangement structure 22 includes a wire harness 103 formed of a relatively hard harness portion (hard portion) 111 and a soft harness portion (soft portion) 112, and the soft harness portion 112 serves as a handle post cover 43. Covered with.

The soft harness portion 112 is covered with the handle post cover 43 in a range from a maximum length L1 (not shown) where the handle post 45 is extended to a maximum to a minimum length L2 (not shown) where the handle post 45 is contracted to a minimum. It is preferable.
However, the soft harness portion 112 may have a portion that is not covered by the handle post cover 43 at the maximum length L1 where the handle post 45 is extended to the maximum.

The reason why a part of the soft harness portion 112 may not be covered with the cover when the handle post 45 has the maximum length L1 will be described below.
That is, when the handle post 45 is shorter than the maximum length L 1, the soft harness portion 112 is loosened, but the soft harness portion 112 is stored in the handle post cover 43.

On the other hand, the looseness does not occur in the soft harness portion 112 at the maximum length L1 where the handle post 45 is extended to the maximum.
Therefore, even if a part of the soft harness portion 112 is not accommodated in the handle post cover 43, the appearance can be kept good.

FIG. 5 is a side view showing the wire harness of the linear member arrangement structure according to the first embodiment.
The wire harness 103 has a rear end portion 103 a connected to the starter switch 101 and a front end portion 103 b connected to the starter motor 32.
In this wire harness 103, a portion between the starter motor 32 and the position P1 (see also FIG. 4) is a relatively hard harness portion 111, and a portion between the position P1 and the starter switch 101 is a relatively soft harness portion 112. It is what.

The hard harness portion 111 includes a thick core wire (core wire) 201 serving as a conductor, an insulating covering portion 202 that covers the thick core wire 201, and a first connector 203 connected to one end portion 111a.
The other end portion (that is, the front end portion) 103 b of the hard harness portion 111 is connected to the starter motor 32.
The hard harness portion 111 is fastened to the handle post 45 or the like with a fastening strap 204, for example.
The thick core wire 201 is set to the strand diameter D1.

The soft harness portion 112 includes a thin core wire (core wire) 206 serving as a conductor, an insulating covering portion 207 that covers the thin core wire 206, and a second connector 208 connected to one end portion 112a.
The other end portion (that is, the rear end portion) 103 a of the soft harness portion 112 is connected to the starter switch 101.
The soft harness portion 112 is fastened to the handle post 45 or the like with a fastening strap (not shown) so that the slack can be deformed.
The thin core wire 206 is set to the strand diameter D2.

The second connector 208 is inserted into the first connector 203 to connect the first and second connectors 203 and 208. The first and second connectors 203 and 208 are ordinary connectors that are generally used.
In a state where the first and second connectors 203 and 208 are connected, the thick core wire 201 and the thin core wire 206 are connected so as to be electrically conductive.

The relationship between the strand diameter D1 of the thick core wire 201 and the strand diameter D2 of the thin core wire 206 satisfies D1> D2.
Thereby, the hard harness part 111 can be made into a relatively hard member as compared with the soft harness part 112.
Since the wire harness 103 is simply changed to the thick core wire 201 and the thin core wire 206, the wire harness 103 can be divided into a hard harness portion 111 and a soft harness portion 112 with a simple configuration.

  In the first embodiment, the example in which the wire harness 103 is divided into the hard harness portion 111 and the soft harness portion 112 by changing the thickness of the core wire of the wire harness 103 has been described. It is also possible to classify into a hard harness part 111 and a soft harness part 112 by changing the rigidity.

Next, the operation of the linear member arrangement structure 22 will be described with reference to FIGS.
6 (a) and 6 (b) are diagrams for explaining the arrangement structure of the linear member when the handle post has the minimum height, and FIG. 6 (b) is a view taken along the 6b portion of FIG. 6 (a). It is.
In (a), the lock handle 47 is retreated from the lock position to the slide position by grasping the switching handle 47 and rotating as indicated by the arrow A.
The upper elevating post 52 can be moved up and down along the lower fixed post 51.

By lowering the upper elevating post 52 to the lowest position, the handle post 45 is set to the minimum height H1.
Thereby, the height of the operation handle 65 can be adjusted according to an operator's physique and work form.

  On the other hand, the interval between the starter switch 101 and the starter motor 32 is reduced by setting the handle post 45 to the minimum height H1.

In (b), by providing the wire harness 103 with the soft harness portion 112, the soft harness portion 112 can be loosened when the handle post 45 is set to the minimum height H1 (see FIG. 6A).
The loose soft harness portion 112 is covered with an existing handle post cover 43 (upper cover portion 93). Thereby, the soft harness part 112 slackened by the existing handle post cover 43 can be concealed, and good appearance can be ensured.
In addition, since slack does not generate | occur | produce in the hard harness part 111, even if the hard harness part 111 is visually observed from the outside, an external appearance property is not impaired.

FIGS. 7A and 7B are views for explaining the arrangement structure of the linear member when the handle post has the maximum height, and FIG. 7B is a view taken along the arrow 7b in FIG. 7A. It is.
In (a), the lock handle 47 is retreated from the lock position to the slide position by grasping the switching handle 47 and rotating as indicated by the arrow A.
The upper elevating post 52 can be moved up and down along the lower fixed post 51.

By raising the upper elevating post 52 to the uppermost position, the handle post 45 is set to the maximum height H2.
Thereby, the height of the operation handle 65 can be adjusted according to an operator's physique and work form.

  On the other hand, the interval between the starter switch 101 and the starter motor 32 is increased by setting the handle post 45 to the maximum height H2.

In (b), when the handle post 45 is set to the maximum height H2 (see FIG. 7 (a)), the soft harness portion 112 can be stretched substantially linearly and kept free from slack.
The soft harness portion 112 without slack is covered with the existing handle post cover 43 (upper cover portion 93).

As a result, the soft harness portion 112 that does not sag can be hidden by the existing handle post cover 43, the soft harness portion 112 can be protected, and good appearance can be ensured.
In addition, since slack does not generate | occur | produce in the hard harness part 111, even if the hard harness part 111 is visually observed from the outside, an external appearance property is not impaired.

As described with reference to FIGS. 6 and 7, the wire harness 103 is formed by the hard harness portion 111 and the soft harness portion 112, and only the soft harness portion 112 is loosened, so that the existing handle post cover 43 can be used. I covered the loose part.
Therefore, it is not necessary to newly provide a cover member to cover the loose and soft harness portion 112.
Thereby, when raising / lowering an upper post, there exists an advantage that the wire harness 103 is covered with a simple structure and an external appearance property can be kept favorable.

  Next, the arrangement structure of the linear members according to the second to third embodiments will be described with reference to FIGS. In the second to third embodiments, the same members as those of the linear member arrangement structure 22 of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

FIGS. 8A to 8C are views for explaining a wire harness having a linear member arrangement structure according to the second embodiment. FIG. 8A is a side view, and FIG. 8 (a) is an 8b-8b cross-sectional view, and FIG. 8 (c) is an 8c-8c cross-sectional view of FIG. 8 (a).
The linear member arrangement structure 210 according to the second embodiment is formed by placing a hard harness portion (hard portion) 212 of a wire harness (linear member) 211 along a reinforcing wire 214. The configuration is the same as the arrangement structure 22 of the linear members of the first embodiment.

The wire harness 211 includes a core wire 215 serving as a conductor, a wire 214 arranged in parallel with the core wire 215 at a predetermined interval, and an insulating covering portion 216 that covers the wire 214 and the core wire 215.
The reinforcing wire 214 is provided only in the hard harness portion 212, and is not provided in the soft harness portion (soft portion) 213.

In this way, the hard harness portion 212 can be formed simply by placing the reinforcing wire 214 along the core wire 215.
Thereby, the wire harness 211 can be divided into the hard harness part 212 and the soft harness part 213 with a simple configuration.

FIG. 9 is a side view showing a wire harness having a linear member arrangement structure according to the third embodiment.
The arrangement structure 220 of the linear member of 3rd Embodiment is different in the hardness of the insulating coating | coated part 223 which covers the core wire 222 of the wire harness (linear member) 221, and thereby a hard harness part (hard part) ) And 224 and a soft harness portion (soft portion) 225, and the other configuration is the same as the linear member arrangement structure 22 of the first embodiment.

In the wire harness 221, of the covering part 223 that covers the core wire 222, the hard covering part 223 a is used for the hard harness part 224, and the soft covering part 223 b is used for the soft harness part 225.
Thereby, the wire harness 221 can be divided into the hard harness part 224 and the soft harness part 225 by a simple structure only by making the hardness of the coating | coated part 223 differ.

  In the above embodiment, the example in which the present invention is applied to a working machine (specifically, the walking type tiller 10) has been described. It is also possible to apply to other devices.

  In the above-described embodiment, the handle post 45 is divided into the lower fixed post 51 and the upper lift post 52. However, the present invention is not limited to this, and the handle post 45 is divided into other plural pieces such as three. It is also possible.

  Furthermore, in the said embodiment, although the wire harness 103 was illustrated as a linear member, it is not restricted to this, You may apply other linear members, such as a power transmission cable (the clutch cable 92 and the throttle cable 107). Is possible.

  INDUSTRIAL APPLICABILITY The present invention is suitable for application to a working machine or the like having an arrangement structure in which the length of the frame member can be varied and one side member and the other side member of the frame member are connected / connected by a linear member. It is.

It is a side view which shows the working machine provided with the arrangement | positioning structure (1st Embodiment) of the linear member which concerns on this invention. It is a perspective view which shows the handle apparatus provided with the arrangement | positioning structure of the linear member which concerns on 1st Embodiment. It is a perspective view which shows the state which removed the handle post cover from the handle apparatus of FIG. FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2. It is a side view which shows the wire harness of the arrangement | positioning structure of the linear member which concerns on 1st Embodiment. It is a figure explaining the arrangement | positioning structure of the linear member in case a handle post is the minimum height. It is a figure explaining the arrangement | positioning structure of the linear member in case a handle post is the maximum height. It is a figure explaining the wire harness of the arrangement | positioning structure of the linear member which concerns on 2nd Embodiment. It is a side view which shows the wire harness of the arrangement | positioning structure of the linear member which concerns on 3rd Embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Walking type tiller (work machine), 12 ... Transmission case (work machine main body), 22, 210, 220 ... Arrangement structure of a linear member, 32 ... Starter motor (one side member), 43 ... Handle post cover (Cover member), 45 ... handle post (frame member), 51 ... lower fixed post (lower post), 52 ... upper lifting post (upper post), 65 ... operation handle, 101 ... starter switch (other side member), 103, 211 , 221 ... Wire harness (linear member), 111, 212, 224 ... Hard harness part (hard part), 112, 213, 225 ... Soft harness part (soft part), 201 ... Thick core wire (core wire), 206 ... Thin Core wire (core wire), 214 ... reinforcing wire, 215,222 ... core wire, 223 ... covering portion, 223a ... hard covering portion 223b ... soft coating portion.

Claims (5)

The frame member is configured to be variable in length, and at least a part of the frame member is covered with a cover member, and is provided on one side of the frame member and on the other side of the frame member. In the arrangement structure of the linear member that connects / connects the other side member with the linear member,
The linear member is formed of a relatively hard part and a soft part,
An arrangement structure of linear members, wherein the soft portion is covered with the cover member.   The arrangement structure of the linear member according to claim 1, wherein the linear member is divided into the hard portion and the soft portion by changing a core wire.   The arrangement structure of the linear member according to claim 1, wherein the linear member forms the hard portion by placing a reinforcing wire along a core wire.   2. The linear member arrangement structure according to claim 1, wherein the linear member is divided into the hard portion and the soft portion by differentiating the hardness of the covering portion covering the core wire. The frame member has a lower post provided on a work machine body, and an upper post slidably provided on the lower post,
The upper post is provided with an operation handle gripped by an operator,
5. The wire harness for signal transmission which connects the working machine main body side member which is said one side member, and the operation handle side member which is said other side member, the said linear member. The arrangement | positioning structure of the linear member of any one of these.

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