JP2002276514A - Mounting structure of self-starter-related component of tilting type engine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of a self-starter-related component for facilitating respective wiring processes of a self-starter, a starter switched, and a magnet switch. SOLUTION: In this tilting type engine, a self-starter supporting recessed surface 19 is formed in the upper part of a crankcase's left surface, and the self-starter 18 is fixed in the longitudinal direction of the engine, the starter switch, a rectifier 22, the magnet switch 21 are arranged in a row in a recessed space surrounded with the self-starter 18, a fuel tank 4, and the crankcase 2. In this structure, a dead space generated by tilting a cylinder bock 3 can be used as a storing space for the starter switch, the rectifier 22, the magnet switch 21, so that wiring of the starter related component is not voluminous and the machine body can be compacted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for parts related to a cell starter of an inclined engine.

[0002]

2. Description of the Related Art FIG. 5 is a partial schematic front view showing a conventional vertical gasoline engine. A cell starter 52 is provided on the left side of a crankcase 51, and a magnet switch 53 is provided below the cell starter 52. , The cell starter 52, the magnet switch 53, and the starter switch 54 are connected by respective wirings. In recent years, an inclined engine in which a cylinder is inclined obliquely upward from a crankcase in order to reduce the overall height of the engine has been manufactured. It is conceivable that parts related to the cell starter such as a cell starter, a magnet switch, and a starter switch are arranged in the inclined engine as in the related art.

[0003]

However, when the inclined engine is arranged as shown in FIG. 5, there are the following problems. (A) Since the magnet switch 53 is arranged on the side of the crankcase 51, the magnet switch 53 is exposed to the high heat of the crankcase 51. (B) A clamp 55 for fixing the wiring of the magnet switch 53, the cell starter 52, and the starter switch 54 to the side surface of the crankcase is required, and the wiring process is troublesome. In addition, if the wiring is arranged on the side surface of the crankcase as shown in FIG. 5, there is a problem that if dust or dirt adheres to the wiring, it takes time to clean the wiring.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a mounting structure for a component related to a cell starter of an inclined engine, which can solve the above problems. An example of a specific purpose is as follows. (a) The magnet switch, cell starter,
Provided is a mounting structure for a cell starter-related component of an inclined engine, in which wiring processing of a starter switch is easy.
It should be noted that the problems of the invention other than those described above and the means for solving the problems will be described in detail in the description in the following specification.

[0005]

The present invention will be described below with reference to, for example, FIGS. 1 to 4 showing an embodiment of the present invention. The first invention is, for example, as shown in FIGS. 1 to 4, a cylinder 3 is provided obliquely upward from the crankcase 2, and the crankcase 2 is formed by disposing the cylinder 3 obliquely upward. In the mounting structure of the cell starter-related parts used in the inclined engine in which the fuel tank 4 is provided in the upper space and the muffler 5 is provided in the space above the cylinder head 9, the direction of the inclined engine 1 is changed to the power take-out shaft 6 of the engine. The side with the cooling fan is the front side, the side with the cooling fan is the rear side,
When the side where the cylinder 3 is inclined is defined as the right side and the opposite side is defined as the left side, the cell starter support concave surface 19 is formed on the upper part of the left side surface of the crankcase to fix the cell starter 18 in the engine front-rear direction. Space 17 (in the case of the first embodiment) or recessed space 32 (in the case of the second embodiment) surrounded by the fuel tank 4, the fuel tank 4, and the crankcase 2.
, A starter switch 20, a rectifier 22, and a magnet switch 21 are arranged in a line.

The second invention is, for example, as shown in FIGS. 1 and 2, a crank formed by disposing a cylinder 3 obliquely upward from a crankcase 2 and disposing the cylinder 3 obliquely upward. In a mounting structure for parts related to a cell starter employed in an inclined engine in which a fuel tank 4 is provided in a space above a case 2 and a muffler 5 is provided in a space above a cylinder head 9, the inclined engine 1
When the direction of the engine power take-out shaft 6 is defined as the front side, the direction with the cooling fan is defined as the rear side, the direction in which the cylinder 3 is inclined is defined as the right side, and the opposite side is defined as the left side.
Cell starter support concave surface 1 on top of left side of crankcase
9, a starter switch 20 and a rectifier 22 are disposed in the front-rear direction of the engine in a concave space 17 surrounded by the cell starter 18, the fuel tank 4 and the crankcase 2. The starter switch 20 is disposed in the front-rear direction along the concave space 17 so that the switch operation unit 33 faces the rear side of the engine, the rectifier 22 is disposed in the central region in the front-rear direction of the concave space 17, and the magnet switch 20 is The lead wire connection portion 23 in the concave space 17
Are arranged toward the left side or the front side of the engine, and a switch cover 25 that covers at least the starter switch 20, the rectifier 22, and the wiring portion of the cell starter 18 in the concave space 17 is attached.

The third invention is, for example, as shown in FIGS. 3 and 4, a crank formed by disposing a cylinder 3 obliquely upward from a crankcase 2 and disposing the cylinder 3 obliquely upward. In a mounting structure for parts related to a cell starter employed in an inclined engine in which a fuel tank 4 is provided in a space above a case 2 and a muffler 5 is provided in a space above a cylinder head 9, the inclined engine 1
When the direction of the engine power take-out shaft 6 is defined as the front side, the direction with the cooling fan is defined as the rear side, the direction in which the cylinder 3 is inclined is defined as the right side, and the opposite side is defined as the left side.
The cell starter 18 is fixed on the left side of the crankcase in the front-rear direction of the engine, and the gears are arranged inside the upper left side of the crankcase, so that the upper side of the crankcase 2 has a protruding portion 31 that protrudes greatly, The cell starter 18 is arranged so that the upper surface of the cell starter 18 is located on the left side of the protrusion 31 at a position lower than the upper surface of the crankcase, and the fuel tank 4, the crankcase 2, and the cell starter 1
8, a starter switch 20, a rectifier 22, and a magnet switch 21 are disposed in the front-rear direction of the engine. The starter switch 20 is arranged such that the switch operation unit 33 faces the rear side of the engine. The rectifier 22 is disposed in the front-rear direction center area of the concave space 32, and the magnet switch 21 is arranged with the lead wire connection portion 23 facing the left side or the front side of the engine. A switch cover 25 that covers at least the starter switch 20, the rectifier 22, and the wiring section to the cell starter 18 in the concave space 32 is provided.

The first to third inventions will be further described. In the second and third inventions, the switch cover 25 can be made large so as to cover not only the wiring section to the starter switch 20, the rectifier 22, and the cell starter 18 but also the wiring section to the magnet switch 21. is there.

[0009]

Function and Effect According to the first aspect, the following specific function and effect can be obtained. (A) The magnet switch is not provided on the side surface of the crankcase as in the configuration shown in FIG.
As shown in FIG. 1 and FIG. 3, since the configuration is provided between the fuel tank having a low temperature and the cell starter, it is possible to suppress the temperature of the magnet switch from becoming high and achieve a long life. (B) As shown in FIG. 5, since the wiring from the magnet switch to the cell starter does not pass through the side of the cell starter, the wiring can be shortened. Furthermore, unlike the conventional configuration, it is not necessary to always clamp near the rectifier and the magnet switch, thereby facilitating wiring processing. (C) Since the dead space between the fuel tank and the crankcase caused by tilting the cylinder is used as the housing space for the starter switch, the rectifier, and the magnet switch, the starter switches and the wiring thereof are not bulky.
The aircraft can be made compact.

According to the second and third aspects of the invention, in addition to the above-described effects (a), (b), and (c), the following effects (d) can be obtained. (D) Since the switch cover that covers at least the wiring portions of the starter switch, the rectifier, and the cell starter is mounted in the recessed space, each wiring is accommodated in the switch cover, and the wiring is provided on the side of the engine as in the related art. Because it is not exposed, it is easy to clean and can be sophisticated in design.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of an inclined engine showing a first embodiment of a mounting structure for a cell starter-related component according to the present invention, and FIG. 2 is a left side view thereof. As shown in FIG. 1, in the tilted engine 1, a cylinder 3 is provided obliquely upward from a crankcase 2, and a fuel tank 4 and a muffler 5 are disposed above an engine body. In this specification, the side provided with the power take-out shaft 6 of the engine is the front side, the side provided with a cooling fan (not shown) is the rear side,
The side where the cylinder 3 is inclined is called the right side, and the opposite side is called the left side.

As shown in FIG. 2, a fan case 7 containing a cooling fan is provided on the rear side of the engine, and an air cleaner 8 (see FIG. 1) is provided on the right side thereof.
As shown in FIG. 1, a fuel tank 4 is provided so as to extend over a space above the crankcase 2 formed by arranging the cylinder 3 obliquely upward and a part of the upper surface of the cylinder. 4 is supported by a tank stay 12. The muffler 5 is supported by a muffler stay 11 mainly in a space above the cylinder head 9 and the head cover 10. Fuel tank 4 is upper tank case 4
a and the lower tank case 4b are joined,
The lower tank case 4b has a slope 13 inclined to the right so as to substantially correspond to the upper side of the cylinder, a bottom plane 14, and a left side 15
And is configured.

As shown in FIG. 2, an upper portion of the left side surface 16 of the crankcase 2 has a cell starter 1 having a substantially cylindrical appearance.
8 are arranged in the front-back direction. As shown in FIG. 1, a cell starter support concave surface 19 is formed at an upper portion of the left side surface 16 of the crankcase so as to support the cylindrical surface of the cell starter 18 on the crankcase side. h1 can be made substantially equal to the height position h2 of the crankcase 2.

As shown in FIG. 2, a starter switch 20, a magnet switch 21, and a rectifier 22 are disposed on the left side of the engine. The space between the cell starter 18 and the fuel tank 4 is depressed, and at least the depressed portion is referred to as a depressed space 17. That is, in the first embodiment, the concave space 17 includes the concave portion on the left side of the engine and the space from the rear end of the cell starter to the rear side of the engine. A starter switch 20 and a rectifier 22 are disposed in the concave space 17 in the front-rear direction of the engine. The starter switch 20, which is substantially cylindrical in appearance, is arranged along the concave space 17 so that the switch operation unit 33 faces the rear side of the engine so that the operator can easily operate it. The rectifier 22 is provided in a central region of the concave space 17 in the front-rear direction.

The cylindrical magnet switch 21 has a cylindrical body disposed in the left-right direction of the engine with the lead wire connecting portion 23 facing the left side of the engine. As shown in FIG. 1, the left side position of the lead wire connecting portion 23 is positioned so as to be substantially equal to the leftmost position of the cell starter 18, and as shown in FIG. The case is positioned so as not to protrude beyond the most protruding part of the front surface of the case. A cover stay 24 is provided in the concave space, and a switch cover 25 that covers at least the starter switch 20 and the rectifier 22 is attached to the cover stay 24. In FIG. 2 and FIG. 4, which will be described later, the switch cover 25 is indicated only by the outer frame line.

As shown in FIG. 1, the magnet switch 2
Reference numeral 1 denotes a holding stay 26 which is disposed between the lower surface of the fuel tank 4 and the cell starter 18. As one embodiment of the switch cover 25, a left wall surface 27 having a parenthesis in vertical section, a front wall surface 28 covering the engine front side at a position where the magnet switch 21 is exposed, and a starter switch operation surface 33 are projected. A rear wall surface 29 (see FIG. 2) covering the periphery may be included. Other embodiments of the switch cover 25 include a configuration including only the left side surface 27, a configuration including only the left side surface 27 and the rear side surface 29, and an engine front side surface provided at a position where the magnet switch 21 is housed. For example, a structure composed of the left side surface 27 and the left side surface 27 can be adopted. As described above, the switch cover 25 is appropriately modified according to the embodiment and the mounting form of the inclined engine as long as the switch cover 25 includes at least the left wall surface 27. Since the parts related to the cell starter of the engine are arranged in the concave space 17 between the cell starter 18 and the fuel tank 4 provided at the upper left part of the crankcase 2 as described above, there are the following advantages.

As shown in FIG. 1, a low temperature fuel tank 4
Since it is a configuration arranged between the cell starter 18 and
Since the temperature of the magnet switch 21 according to the present embodiment can be suppressed from becoming high temperature and the life can be extended, the wiring from the magnet switch 21 to the cell starter 18 does not pass through the side of the cell starter 18. Wiring can be shortened. Further, since it is not always necessary to perform clamping, wiring processing is facilitated. Further, as shown in FIG. 1, if each wiring is accommodated in the switch cover 25, the wiring is not exposed on the side of the engine as in the related art, and it is easy to clean even when mud is applied.
Further, the concave space 17 is covered by the switch cover 25, and when viewed from the left side of the engine, the fuel tank 4 and the switch cover 25 become flat, so that the design can be refined.

Further, since the dead space between the fuel tank 4 and the crankcase 2 caused by inclining the cylinder 3 is used as a space for accommodating starter-related components, wiring and the like are not bulky and the body can be made compact.

[0019]

Second Embodiment FIG. 3 is a front view of an inclined engine showing a second embodiment of the present invention, and FIG. 4 is a left side view of the inclined engine. A configuration in which the second embodiment is different from the first embodiment will be described. In the second embodiment, the same members as those in the first embodiment are denoted by the same reference numerals, and the description is omitted.

As shown in FIGS. 3 and 4, in the engine according to the second embodiment, a gear (not shown) is arranged in the crankcase 2 on the side (left side) opposite to the side where the cylinder 3 is inclined. As a result, the upper surface of the crankcase 2 has a protruding portion 31 that protrudes greatly. Space 18 surrounded by the lower surface of the fuel tank 4, the projection 31 of the crankcase 2, and the cell starter 18.
And a starter switch 20, a rectifier 22, and a magnet switch 21.

Like the starter switch 20, the magnet switch 21 has a configuration in which a cylindrical portion is disposed in the front-rear direction of the engine. In the embodiment shown in FIGS.
The lead wire connection portion 23 of the magnet switch 21 is disposed toward the front of the engine. Note that the lead wire connection portion 23 of the magnet switch 21 may be provided facing the left side of the engine. Also, the way of providing the switch cover 25 is the same as in the first embodiment. In the mounting structure of the cell starter related parts according to the second embodiment, the same effect as in the first embodiment can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a tilt type engine for explaining a first embodiment of the present invention.

FIG. 2 is a left side view of the inclined engine according to the first embodiment.

FIG. 3 is a front view of a tilt type engine for explaining a second embodiment of the present invention.

FIG. 4 is a left side view of an inclined engine according to the second embodiment.

FIG. 5 is a schematic front view showing a conventional vertical gasoline engine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Inclined engine, 2 ... Crankcase, 3 ... Cylinder, 4 ... Fuel tank, 5 ... Muffler, 6 ... Power take-off shaft, 9 ... Cylinder head, 17 ... Concave space, 18 ... Cell starter, 19 ... Cell starter support Concave surface, 20: starter switch, 21: magnet switch, 22: rectifier,
23 ... lead wire connection part, 25 ... switch cover, 31 ...
Projection part, 32 ... concave space, 33 ... switch operation part.

Claims (3)

[Claims] A cylinder (3) is provided obliquely upward from a crankcase (2), and fuel is provided in a space above the crankcase (2) formed by disposing the cylinder (3) obliquely upward. In a mounting structure for parts related to the cell starter employed in an inclined engine having a tank (4) and a muffler (5) in a space above a cylinder head (9), the direction of the inclined engine (1) is set to Power take-off shaft
The side provided with (6) is the front side, the side provided with the cooling fan is the rear side,
When the cylinder (3) is defined as the right side and the opposite side as the left side, the cell starter support concave surface is located on the upper left side of the crankcase.
(19) is formed and the cell starter (18) is fixed in the longitudinal direction of the engine, and the cell starter (18), the fuel tank (4), and the crankcase are formed.
Starter switch in concave space (17 ・ 32) surrounded by (2)
(20) A mounting structure for parts related to a cell starter of an inclined engine, wherein a rectifier (22) and a magnet switch (21) are arranged in a line. 2. A cylinder (3) is provided obliquely upward from the crankcase (2), and fuel is supplied into a space above the crankcase (2) formed by disposing the cylinder (3) obliquely upward. In a mounting structure for parts related to the cell starter employed in an inclined engine having a tank (4) and a muffler (5) in a space above a cylinder head (9), the direction of the inclined engine (1) is set to Power take-off shaft
The side provided with (6) is the front side, the side provided with the cooling fan is the rear side,
When the cylinder (3) is defined as the right side and the opposite side as the left side, the cell starter support concave surface is located on the upper left side of the crankcase.
(19) is formed and the cell starter (18) is fixed in the longitudinal direction of the engine, and the cell starter (18), the fuel tank (4), and the crankcase are formed.
The starter switch (2) is inserted into the concave space (17) surrounded by (2).
0), the rectifier (22) is arranged in the front-back direction of the engine, and the starter switch (20) is arranged in the front-back direction along the concave space (17) so that the switch operation part (33) faces the rear surface of the engine. The rectifier (22) is arranged in the center of the concave space (17) in the front-rear direction, and the magnet switch (20) is positioned in the concave space.
In (17), the lead wire connection part (23) is arranged toward the left side or the front side of the engine, and at least the starter switch (2) is provided in the concave space (17).
0), a rectifier (22), and a switch cover (25) for covering a wiring portion of the cell starter (18). 3. A cylinder (3) is provided obliquely upward from the crankcase (2), and fuel is supplied to a space above the crankcase (2) formed by disposing the cylinder (3) obliquely upward. In a mounting structure for parts related to the cell starter employed in an inclined engine having a tank (4) and a muffler (5) in a space above a cylinder head (9), the direction of the inclined engine (1) is set to Power take-off shaft
The side provided with (6) is the front side, the side provided with the cooling fan is the rear side,
When the cylinder (3) is defined as the right side and the opposite side is defined as the left side, the cell starter (18) is fixed to the left side of the crankcase in the front-rear direction of the engine, and the gear is inserted inside the left side on the crankcase. Due to the arrangement, the upper surface of the crankcase (2) has a protruding portion (31) that protrudes greatly, and the cell starter () is located on the left side of the protruding portion (31) at a position lower than the upper surface of the crankcase. 18)
The cell starter (18) is arranged so that there is an upper surface of the fuel tank (4), the crankcase (2) and the cell starter (1).
8), the starter switch (2)
0), a rectifier (22), and a magnet switch (21) are arranged in the front-rear direction of the engine. The starter switch (20) has a concave space (32) so that the switch operation part (33) faces the rear side of the engine. ), The rectifier (22) is provided in the center of the concave space (32) in the front-rear direction, and the magnet switch (21) is connected to the lead wire connection part (23) on the left side or front side of the engine. At least the starter switch (2) in the concave space (32).
0), a rectifier (22), and a switch cover (25) for covering a wiring portion to the cell starter (18).