JPH08104295A - Small planting boat - Google Patents

Abstract

PURPOSE: To check from the outside the condition of the adhesive which fixes and seals a shaft insertion member in which a shaft of a propeller is inserted and repair the shaft insertion member easily and accurately. CONSTITUTION: A shaft insertion member 13 has pipe sections 13a, 43a which pass through a mounting wall 36a of a hull and a duct section 22 and a collar section fixed on a face on the engine side of the mounting wall 36a. The shaft insertion member 13 can be pulled out to the engine side as required. Furthermore, by bonding an end 13c on the propeller side of the pipe section 13a on an outer surface of the duct section 22, it is possible to check and repair the condition of the bonded section from the outside of the duct section 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compact size in which a shaft insertion member for inserting a shaft provided between an engine and a propulsion device behind the engine is attached between a duct portion and an attachment wall in front thereof by an adhesive means. It concerns a planing boat.

[0002]

2. Description of the Related Art As shown in FIG. 8, the internal structure in the vicinity of the duct portion of a small planing boat is such that an engine 51 is mounted on a hull 50, and a shaft 53 is connected thereto via a coupling 52. The shaft 53 is connected to a propulsion device (not shown) through a duct portion 54, and an intermediate portion thereof is a partition wall (bulkhead) 5 provided inside the hull 50.
6 is rotatably supported by a front bearing 57. In order to ensure waterproofness from the duct portion 54, a pipe-shaped shaft insertion member 58 is watertightly attached with an adhesive between the partition wall 56 and the duct portion 54 (JP-A-49-58596). (See the official gazette).

[0003]

By the way, as shown in FIG. 9, the conventional shaft insertion member 58 has the pipe front end as the ring portion 58a and the adhesive ring 60 on the projecting ring 56a formed on the mounting wall 56. In addition, the flange 58b at the rear end of the pipe is fixed to the front surface (inner surface) of the duct portion 54 with the adhesive 60.

However, as described above, when the bonded portion of the shaft insertion member 58 is on the rear surface of the mounting wall 56 and the front surface of the duct portion 54, the foamed resin 61 is usually filled between them, The bonded portion 60 cannot be directly seen after the fact, and the shaft insertion member 58 is not attached to the mounting wall 5.
6 is fixed to the duct portion 54 so that it cannot be inserted or removed, the insertion member 58 cannot be removed or repaired or replaced.

The present invention has been made in view of the above-mentioned conventional problems, and it is possible to easily and externally check the bonding condition of the adhesive agent for fixing and sealing the shaft insertion member at any time and at the same time. The purpose is to provide a small planing boat that can be repaired accordingly.

[0006]

In order to achieve the above-mentioned object, the invention of claim 1 connects an engine mounted in a hull with a propulsion unit mounted in the duct part of the hull. And a shaft insertion member that is attached to the hull and through which the shaft is inserted,
The shaft insertion member has a pipe portion that penetrates a mounting wall provided on the hull and the duct portion, and a brim portion fixed to a surface of the mounting wall on the engine side. Has an end bonded to the outer surface of the duct part.

According to a second aspect of the present invention, in the first aspect, the hull forming the lower portion of the hull is molded to form an outer hull, and the outer hull is molded to form the outer hull. The inner hull joined to the inner surface has a double structure, and the mounting wall is formed on the inner hull.

Further, according to the invention of claim 3, in claim 1, a cap is attached to an end portion of the pipe portion of the shaft insertion member on the propulsion machine side, and a gap is provided between the cap and the outer surface of the end portion. The adhesive is held on.

According to a fourth aspect of the present invention, in the second aspect, a support wall for supporting the mounting wall on the inner hull is provided, and a peripheral portion of the support wall is joined to the outer hull so as to be attached to the support wall. An enclosed space is formed between the wall and the outer hull.

[0010]

According to the present invention, the shaft insertion member has a pipe portion that penetrates the attachment wall and the duct portion provided on the hull, and a collar portion fixed to the engine side surface of the attachment wall. However, since the end of the pipe part on the propulsion unit side is adhered to the outer surface of the duct part, the condition of the part where the end part of the shaft insertion member on the propulsion device side is adhered from the outside of the duct part, that is, the hull It can be easily checked from the outside if necessary. In addition, depending on the condition of the adhesive part of the end part, not only can the adhesive part be repaired from the outside of the duct part, but if necessary, the flange part can be pulled out to the engine side for repair. It becomes possible to do it.

According to the present invention, the hull has a double structure, and the mounting wall can be integrally formed on the inner hull by molding, which facilitates the manufacturing. In claim 3, since the adhesive is held between the cap and the outer surface of the end of the pipe when the pipe of the shaft insertion member is bonded to the duct of the hull, the adhesive is prevented from falling off. To be done.

According to the present invention, since the closed space is formed between the support wall provided on the inner hull, the mounting wall and the outer hull, this acts as a buoyancy chamber and contributes to the generation of buoyancy.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the drawings. 1 to 5 show a first embodiment of the present invention. In Figure 1, the hull of a small planing boat is
It is formed by joining an upper resin deck D and a lower resin hull H. The deck D is provided with a handlebar 1 at the upper center thereof, and a boarding seat 2 for two people is installed behind the handlebar 1. The deck D is integrated with the hull H by joining the outer edge flange 4 to the outer edge flange 21 on the hull H side shown in FIG.

On the other hand, the hull H is provided with an outer hull 20 forming the outer shape of the lower part of the hull and an inner hull 30 joined to the inner surface of the outer hull 20, as shown in the separated state in FIG.
Both of these hulls 20 and 30 are made of molded resin.

At the center of the rear part of the outer hull 20, the duct part 2 is provided.
2 is formed integrally as a recessed portion that is obliquely rearwardly rising,
On the rear side of the duct portion 22, a propulsion unit storage portion 23 is integrally formed as a recessed portion having a rectangular cross section. As shown in the cross section of FIG. 2, the upper surface of the duct portion 22 is provided with a shaft insertion portion 22a that is recessed upward. As shown in FIG. 3, the rear side through hole 22 is formed in the front wall of the shaft insertion portion 22a.
b is open. In the propulsion unit storage section 23, as shown in FIG.
A metal pump case 24 which is an outer shell of the propulsion device 3 of
A pump cover 25 is attached to cover the lower part thereof and to form a part of the outer surface of the ship bottom.

On the other hand, as shown in FIG. 4, the inner hull 30 has outer ribs 31 projecting inward (upward) and extending in the front-rear direction on both left and right sides thereof, and its upper wall has a deck D (see FIG. ) Is joined to. Front and rear recesses 39 and 40 are formed in the front portion of the inner hull 30.
Is joined to the outer hull 20 along the side thereof, and as shown in FIG.
Is mounted.

As shown in FIG. 4, a pair of left and right inner ribs 48 whose front and rear faces the longitudinal direction are provided inside the outer ribs 31 of the inner hull 30. A plurality of mounting portions 50 are arranged on the upper surface of each rib 48, and the engine 5 (FIG. 1) is fixed to the inner hull 30 via the mounting portions 50. The inner hull 30 is also joined to the outer hull 20 through the portion between the inner rib 48 and the outer rib 31.

Further, a support box 36 integrally provided with a mounting wall 36a perpendicular to the front surface is integrally formed at the rear portion of the inner hull 30. The support box 36 has a shape in which the mounting wall 36 a is supported by the inner hull 30 by a support wall 36 c forming an upper surface and left and right side surfaces.

As shown in FIG. 5, the peripheral edge of the lower end of the support box 36 is joined to the outer hull 30 including the lower edge of the mounting wall 36a (FIG. 4), so that the support box 36 and the inside thereof are joined. A closed space 38 is formed between it and the duct portion 22. The space 38 is a buoyancy chamber that is completely sealed by the above-mentioned joining. In addition, the rear end central portion 41 is the front portion 23a of the propulsion unit storage portion 23 of the outer hull 20 shown in FIG.
Joined to. In addition, above the support box 36, FIG.
As shown in, the electrical component box 12 is fixed by bolts (not shown).

By the way, the mounting wall 36a is provided with a front side through hole 36b corresponding to the rear side through hole 22b in FIG. 3, and the shaft inserting member 13 made of metal such as aluminum is provided in both of these through holes 36b and 22b. It has been inserted. The shaft insertion member 13 is formed by integrally forming a straight pipe portion 13a and a flange portion 13b at the front end thereof, and the flange portion 13b is the front surface of the mounting wall 36a, that is, the engine 5
It is applied to the surface on the (FIG. 2) side and is fixed by an adhesive agent A. The flange portion 13b is fixed to the mounting wall 36a by bolts 16 together with the bearing 15 that supports the shaft 14 from the engine 5. In this case, the bolt 16 is screwed into the adhesive nut 17 adhered to the back surface of the mounting wall 36a.

On the other hand, the pipe portion 1 of the shaft insertion member 13
A separate pressing plate 18 is fixed to the outer periphery of the rear side of 3a. The pressing plate 18 is fixed to the front surface side of the shaft insertion portion 22a via an adhesive A, and the insertion member 1
3 has a rear end protruding into the duct portion 22 and a rear end portion 13
Although c is fixed to the duct portion 22 with the adhesive A, in this embodiment, a cap 19 having a shaft insertion hole is fitted in the rear end portion 13c, and an inner surface of the cap 19 and an outer surface of the rear end portion 13c are connected to each other. The adhesive A is held between them. Therefore, the rear end portion 13c and the cap 19 are bonded by the adhesive A
Is fixed to the shaft insertion portion 22a. still,
The cap 19 may not be provided. The pressing plate 18 is sized to pass through the front insertion hole 36b when the shaft insertion member 13 is inserted into the front insertion hole 36b from the front (right side in FIG. 3) during assembly. .

In the above construction, the shaft insertion member 13 of FIG. 3 is provided on the engine 5 side surface of the pipe portion 13a penetrating the mounting wall 36a provided on the inner hull 30 and the duct portion 22 and the mounting wall 36a. It has a collar portion 13b that is fixed, and the end portion 13c of the pipe portion 13a on the propulsion machine 3 side is
Since it is adhered to the outer surface of the duct portion 22 with the adhesive A, the condition of the portion where the end portion 13c is adhered is determined by the duct portion 2
If necessary, it can be easily visually checked from the outside of 2, ie from the outside of the hull. Further, depending on the condition of the bonded portion of the end portion 13c, the bonded portion can be repaired from the outside of the duct portion 22.

Further, if necessary, the bolt 16 is removed and the bearing 15 is removed, and then the collar portion 13b is held,
The entire shaft insertion member 13 can be pulled out to the engine 5 side. At this time, since the adhesion area of the pressing plate 18 is small, the adhesion portion is peeled off by pulling out the shaft insertion member 13. In this way, the shaft insertion member 13 can be extracted and repaired.

Further, the hull H has a double structure,
Since the mounting wall 36a is integrally formed with the inner hull 30 by molding, manufacturing becomes easier as compared with the case where the mounting wall is fixed to the hull H as a separate component. In addition, the pipe portion 13a of the shaft insertion member 13 is connected to the duct portion 22 of the hull H.
Since the adhesive A is held between the cap 19 and the outer surface of the end portion 13c of the pipe portion 13a when the adhesive A is adhered to, the detachment of the adhesive A is prevented.

A support wall 36c provided on the inner hull 30 is also provided.
Since the closed space 38 is formed between the mounting wall 36a and the outer hull 20, this acts as a buoyancy chamber and contributes to the generation of buoyancy.

6 and 7 show a second embodiment. Figure 6
The configuration of both hulls 20 and 30 is the same as that described above, and the shaft insertion member 43 that is inserted into the hulls 20 and 30 is formed in the shape of a trumpet with a forward expansion, and the front through hole 44 is also largely opened accordingly. As shown in FIG. 7, the shaft insertion member 43 includes a pipe portion 43a and a wide brim portion 43b.
The collar portion 43b is provided with the adhesive A shown in FIG.
Is joined to the front surface of the mounting wall 36a through the, and is further fastened together with the bearing case 15 with the bolt 16, and a cap 45 for holding the adhesive A is attached to the rear end portion 43c,
It is fixed to the shaft insertion portion 22a together with the cap 45. The pressing plate 18 is used for the shaft insertion member 4
There is a case where it is integrally formed with the shaft 3 and a case where it is formed as a separate body and fixed to the shaft insertion member 43.

In the case of the second embodiment, since the front side through hole 44 is largely opened, there is a margin for inserting and removing the pressing plate 18. Although the adhesive nut 46 provided on the back surface of the mounting wall 36a is provided via the back plate 47 which is a separate plate, it may be provided directly on the mounting wall 36a as in the above-described embodiment.

Although the mounting wall 36b is formed by the front wall of the support box 36 in each of the above-described embodiments, it may be formed by a bulkhead as in the conventional case. Further, in each of the above embodiments, the outer hull 20, the inner hull 30 and the deck D are made of resin, but a part or all of these may be made of light metal such as aluminum and made by molding.

[Brief description of drawings]

FIG. 1 is a right side view showing a small planing boat according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional view showing a drive system of the small planing boat.

FIG. 3 is an enlarged cross-sectional view showing a main part thereof.

FIG. 4 is a perspective view showing an inner hull and an outer hull which are vertically separated.

5 is a cross-sectional view taken along line VV of FIG.

FIG. 6 is a sectional view showing another embodiment.

FIG. 7 is an exploded perspective view of the same embodiment.

FIG. 8 is a cross-sectional view showing a configuration example of a conventional shaft insertion member.

FIG. 9 is an enlarged sectional view of the conventional example.

[Explanation of symbols]

3 ... Propulsion machine, 5 ... Engine, 13, 43 ... Shaft insertion member, 13a, 43a ... Pipe part, 13b, 43b ... Collar part, 13c, 43c ... Rear end part, 14 ... Shaft, 1
9, 45 ... Cap, 20 ... External hull, 30 ... Inner hull, 36a ... Mounting wall, 36c ... Supporting wall, A ... Adhesive, 3
8 ... Closed space.

Claims (4)

[Claims] 1. An engine mounted in a hull, a shaft connecting the engine and a propulsion unit mounted in a duct portion of the hull, and a shaft insertion member that is mounted on the hull and through which the shaft is inserted. The shaft insertion member has a pipe portion that penetrates a mounting wall provided on a hull and the duct portion, and a flange portion fixed to a surface of the mounting wall on the engine side. A small planing boat having a machine-side end bonded to the outer surface of the duct part. 2. The inner hull according to claim 1, wherein the hull forming the lower part of the hull is molded and forms an outer shape of the lower part of the hull, and the hull is molded and joined to an inner surface of the outer hull. A small planing boat having a double structure including and the mounting wall formed on the inner hull thereof. 3. The cap according to claim 1, wherein a cap is attached to an end portion of the pipe portion of the shaft insertion member on a propulsion unit side, and an adhesive is held between the cap and an outer surface of the end portion. A small planing boat. 4. The support wall according to claim 2, wherein a support wall for supporting the mounting wall on the inner hull is provided, and a peripheral edge portion of the support wall is joined to the outer hull so that a space between the support wall, the mounting wall, and the outer hull is provided. A small planing boat that has a closed space inside.