JPH04119298U - Handle pole support structure for small personal watercraft - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] Eliminates irregularities on the deck surface and minimizes resistance caused by water pressure without the need for extra components such as covers, reducing the weight of the hull. and achieve greater freedom of styling. [Structure] A recess 15 of a predetermined depth is formed on the upper surface of the deck 2, and overhangs 21 are formed on both sides of the upper end and on the front side of the upper end of a bracket 16 for supporting the handle pole 11 fixed in the recess. The handle pole 11 is attached so that the curved upper surface and the upper surface of the shaft support 19 of the handle pole are approximately the same curved surface as the curved surface of the deck.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention features a handle port that is swingably mounted in the vertical plane in the longitudinal direction of the hull. The present invention relates to a support structure for a handle pole in a small watercraft having a handle pole.

0002

[Conventional technology]

As a small planing boat, it is boarded at the rear of the deck and has a handrail mounted on the deck. The type that is operated by holding the handle is used. Hull of this type of small personal watercraft Generally, a hollow shell is formed by joining a plastic molded deck part and a hull part. The engine installed inside the hull drives the propulsion machine installed at the rear of the hull. Both are configured so that the steering means is operated by the handle. prior art Examples of documents disclosing the There is a publication No. 63-59095.

0003 As the propulsion device, for example, a drive shaft is driven by an engine inside the hull. A jet pump is used, which is driven by It is equipped to obtain thrust by injecting water sucked in from the bottom opening toward the rear from the rear end of the hull. It is worn. In addition, as the jet pump, an injection nozzle that can change direction left and right is also used. It has a steering wheel and can also be steered by changing the direction of water jet. is used.

0004 As a handle device for the above-mentioned small personal watercraft, it can swing in the vertical plane in the longitudinal direction of the hull. Attach the handle pole to the deck and attach the handle pole to the tip of the handle pole. There are some that operate by gripping a steering wheel (for example, a bar-type handle). So In the case of It is pivotably supported around a horizontal axis in the right direction.

[0005]

[Problem that the idea aims to solve] However, in conventional small personal watercraft with the above-mentioned type of handle device, , said bracket protrudes from the deck surface and is attached to the proximal end of the handle pole and Since the shaft support part of the ship will also be exposed on the deck, a convex part will be formed on the hull surface. It is difficult to form a streamlined shape, and it may create resistance to water flow while sailing. There was a problem that needed to be solved. Therefore, the bracket and handle port It has been proposed to cover the proximal end of the ball with a cover, but the structure with this cover is not suitable. The cover may come off due to water pressure while cruising, or the number of parts may increase due to the cover structure. Furthermore, it was not possible to eliminate the protrusions on the hull surface, and this was not a sufficient solution.

[0006] This invention was created in view of these technical issues, and the purpose of this invention is to , to eliminate irregularities on the hull surface and bring it closer to a streamlined shape without increasing the number of parts. A hand for small personal watercraft that can improve the appearance and minimize the influence of water pressure. The purpose of the present invention is to provide a support structure for LePole.

[0007]

[Means for solving problems]

The handle pole support structure of a small personal watercraft according to the present invention is A small glider with a handle pole attached so that it can swing in the vertical plane in the front and rear directions. In a boat, a recess of a predetermined depth is formed on the upper surface of the deck, and a recess is formed on both sides of the upper end and on the front side of the upper end. A bracket that has an overhang on the side, and the upper surface of the overhang is approximately the same as the deck surface. It has a curved surface and is placed in the recess so that the curved surface substantially matches the curved surface of the deck surface. fix the base end of the handle pole so that the upper surface of the base end is under the tension of the bracket. A configuration in which the bracket is attached to the bracket so as to form substantially the same curved surface as the upper surface of the protruding part. By doing so, the above objective is achieved.

[0008]

【Example】

Hereinafter, the present invention will be explained in detail with reference to the drawings. Figure 1 shows a small model to which this invention is applied. 2 is a left side view of FIG. 1, and FIG. FIG. 3 is a rear view taken along line 3-3 shown in FIG. In Figures 1 to 3, the hull 1 is a plus Deck 2 and hull 3, which are molded products (including FRP), are joined together at mating surface 4. It consists of a hollow shell body. As shown in Figure 2, the front half of the hull 1 has An engine room 5 is provided, and an engine 6 is mounted in the engine room 5. A propulsion device 7 is attached to the rear of the hull 1. This propulsion device 7 It is driven by an engine 6 via a drive shaft 8. In addition, in the illustrated example , the upper surface of the engine room 5 (part of the deck 2) is equipped with an engine hood 1 that can be opened and closed. It is formed by 4. This engine hood 14 is also made of plastic similar to deck 2. Made of molded parts.

[0009] In Figures 1 to 3, the portion of deck 2 rearward of the engine room 5 is a This is the part where the person rides (for example, in a standing position), and this boarding part includes a Fin parts 10, 10 consisting of a flat riding floor 9 and protrusions on both sides thereof is formed. In addition, the dashed-dotted line W in FIG. 2 and FIG. 3 illustrates the water surface. de At the front part of the engine compartment 2 (in the illustrated example, the top surface of the engine compartment 5), there is a handle port. A wheel 11 is attached to the hull 1 so as to be swingable within a vertical plane in the longitudinal direction. This ha The handle pole 11 has a long shape in the front and back direction, and is made of, for example, plastic ( It is composed of molded products (including FRP). The tip of the handle pole 11 (rear A bar-type handle 12 that protrudes from side to side is rotatably (operably) attached to the end). It is attached.

0010 An injection nozzle 13 is installed at the rear of the jet pump 7 so that its direction can be changed left and right. The steering operation is performed by moving the handle 12 against the handle pole 11. Rotate left and right, and the movement is transmitted to the jet via a control cable (not shown), etc. This is done by remote control transmitted to the nozzle 13. In addition, the control of engine 6 is , by operating a throttle lever (not shown) provided on the grip of the handle 12. It is remotely controlled via a control cable or the like (not shown). driver rides on the riding floor 9, grips the handlebars 12, and performs these operations. to operate (maneuver).

[0011] FIG. 4 shows the center of the proximal support of handle pole 11 along line 4--4 shown in FIG. FIG. 5 is a cross-sectional view taken along line 5-5 shown in FIG. 4. , FIG. 6 is a longitudinal cross-sectional view taken along line 6--6 shown in FIG. Figures 4 to 6 A recess 15 with a predetermined depth D is formed in the front central part of the deck 2. A bracket 16 is fixed within the portion 15 with bolts 17. this bra The bracket 16 is for swingably supporting the base end 18 of the handle pole 11. For example, it is made of aluminum casting or the like. In other words, the handle port The left rail 11 is formed by a bolt 19 fastened to the bracket 16. It is possible to swing within the longitudinal vertical plane C (Fig. 5) of the hull 1 around the right horizontal axis (the tip (can be moved up and down). In Figures 2, 3, 4, and 6, two The dotted chain line indicates the upper limit position of the handle pole 11, and the solid line indicates the lower position of the handle pole 11. Indicates the limit position. The deck 2 (the engine hood 14) has a lower limit. It accepts the handle pole 11 when placed and reduces the amount of protrusion from the deck surface. A concave groove 20 (FIGS. 2, 3, 4, and 6) is formed to eliminate the problem.

0012 In FIGS. 4 to 6, the depth D of the recess 15 is on both sides of the bracket 16 and The dimensions of the front flange and front flange are selected to be the same as the curved surface of the deck. Also, the above The height of the base end 18 of the handle pole 11 is such that its top surface is in front when it is attached (lower limit position). Selected so that the upper end of the bracket 16 and the surface (top surface) of the deck 2 approximately coincide with each other. has been done. In the illustrated example, the left side is attached to both sides and the front upper end of the bracket 16. Projections 21, 22, 30 extending to the right and forward are formed, and these The upper surfaces of the overhanging parts 21, 22, and 30 form a continuous surface with the surface of the deck 2. Ru. Furthermore, the cross section of the handle pole 11 has an open bottom surface as shown in FIG. The upper surface of the proximal end 18 of the handle pole 11 also has an open channel shape. The surface of the deck 2 and the overhanging parts 21, 22, 30 of the bracket 16 It forms a continuous surface. Furthermore, the inner width of the pivot portion of the bracket 16 is so as to form a minimum gap between both sides of the base end 18 of the handle pole 11. Furthermore, the projecting portions 21, 22, 30 of the bracket 16 are selected as The gap between both side edges of the deck 2 (stepped parts 23 and 24 in the illustrated example) is also maximized. It is selected to be small. In this way, the bracket 16 and the handle The base end 18 of the dollar pole 11 just fits within the recess 15 formed in the deck 2. Due to its shape and dimensions, there will be no unevenness on the surface of deck 2 in the assembled state. It is configured as follows.

[0013] Further, as shown in FIG. 5, the swing axis (pivot) of the handle pole 11 is a bolt. 19 is fastened with a nut 25, and the recess 15 of the deck 2 The width is determined by the gap between both ends of the bolt 19 protruding from both sides of the bracket 16. The distances a and b are selected to be minimum. In this case, the gap on the nut 25 side The distance b is selected to be smaller (preferably sufficiently smaller) than the height h of the nut 25. has been established. Note that the pivot bolt 19 can be mounted without using the nut 25. Directly fastened to the female thread (including welding nut) formed on the racket 16 You can also.

[0014] According to the embodiment described above, in the vertical plane C in the longitudinal direction with respect to the deck 2 of the hull 1. In a small personal watercraft having a handle pole 11 swingably attached to the A recess 15 with a predetermined depth D is formed on the upper surface of the deck 2, and the recess 15 extends from both sides of the upper end and the front side. The bracket 16 having the projecting parts 21, 22, 30 is attached to the projecting parts 21, 22, 3. 0 is fixed in the recess 15 so that the upper surface of the deck is the same curved surface as the deck surface, and the front The base end 18 of the handle pole 11 is connected so that the upper surface of the base end 18 is connected to the bracket 1. 6, so that the bracket has the same curved surface as the upper surface of the overhanging parts 21, 22, and 30. Since it is attached to the deck 16, there is no need for extra components such as a cover. Eliminate unevenness on the front of the vehicle to bring it closer to a streamlined shape and minimize the resistance caused by water pressure. In addition, it is possible to make the appearance cleaner and more beautiful. At the same time, it is possible to improve the degree of freedom in styling and reduce the weight of the hull. became.

[0015] Further, according to the above embodiment, the width of the recess 15 of the deck 2 is fixed to the bracket 16. It is selected so that the gaps a and b between the two ends of the pivot bolt 19 to be connected are minimized. If the nut 25 becomes loose or the threaded part of the bolt 19 becomes loose, the bolt It became possible to prevent movement from the 19 axis position.

[0016]

[Effect of the idea]

As is clear from the above explanation, the handle pole support structure of the small personal watercraft of the present invention is According to the structure, it is attached to the hull deck so that it can swing in a vertical plane in the longitudinal direction. For small personal watercraft with a handle pole, a recess of a specified depth is installed on the upper surface of the deck. and a bracket with overhangs on both sides of the upper end and on the front side of the upper end. The upper surface of the protrusion has a curved surface that is approximately the same as the deck surface, and the curved surface is similar to the curved surface of the deck surface. The base end of the handle pole is fixed in the recess so as to substantially match the handle pole. The upper surface of the base end is made to have approximately the same curved surface as the upper surface of the projecting portion of the bracket. Since the structure is such that it is attached to the bracket, there is no need for extra components such as a cover. It eliminates unevenness on the deck surface and brings it closer to a streamlined shape, reducing the resistance caused by water pressure. This makes it possible to minimize the amount of friction and also provides a clean and beautiful appearance. In addition to improving the flexibility of styling, it also reduces the weight of the hull. It became possible.

[Brief explanation of drawings]

FIG. 1 is a schematic plan view showing an embodiment of a small watercraft to which the present invention is applied.

FIG. 2 is a left side view of the small watercraft shown in FIG. 1.

FIG. 3 is a rear view taken along line 3-3 shown in FIG. 2;

FIG. 4 is a partial longitudinal cross-sectional view taken along line 4-4 shown in FIG. 1 and showing an embodiment of the handle pole support structure according to the present invention;

FIG. 5 is a cross-sectional view taken along line 5-5 shown in FIG. 4;

FIG. 6 is a longitudinal cross-sectional view taken along line 6-6 shown in FIG. 5;

[Explanation of symbols]

1 Hull 2 deck 6 engine 7 Propulsion machine 9 Riding floor 11 Handle pole 12 Handle 15 Recess (deck) 16 Bracket 18 Base end (handle pole) 19 Swing axis (handle pole support axis) 21 Overhang part (bracket) 22 Overhanging part (bracket) 25 Nut (swing shaft) 30 Overhang part (bracket) C Vertical plane in the longitudinal direction D Depth of recess

Claims (1)

[Scope of utility model registration request] Claim 1: In a small personal watercraft having a handle pole attached to the deck of the hull so as to be swingable in a vertical plane in the longitudinal direction, a recess of a predetermined depth is formed on the upper surface of the deck, and a recess is formed on both sides of the upper end and at the upper end. A bracket having an overhang on the front side is fixed in the recess so that the upper surface of the overhang has a curved surface that is substantially the same as the deck surface, and the curved surface approximately matches the curved surface of the deck surface, and the handle pole is fixed in the recess. A handle pole support structure for a small personal watercraft, characterized in that a base end portion is attached to the bracket such that an upper surface of the base end portion forms substantially the same curved surface as an upper surface of an overhanging portion of the bracket.