CN215155428U - Stern structure of rotational molding boat - Google Patents

Abstract

The utility model provides a rotational moulding ship stern structure belongs to boats and ships technical field. It has solved the problem of the propeller of fixed model is usually matchd to current rotational moulding ship. Rotational moulding ship includes the hull, and rotational moulding ship stern structure is including being arranged in the rear plate portion of hull, and its characterized in that has seted up on the rear plate portion and has dodged the mouth, dodges a mouthful department and is provided with the tailboard, through detachable construction fixed connection between tailboard and the rear plate portion. The propeller is installed on the tailboard of this rotational moulding ship stern structure, owing to can be according to the nimble tailboard of changing of propeller model, not only make the rotational moulding ship be fit for installing the propeller of more models, guarantees moreover that the propeller is in on the optimum mounted position, realizes improving rotational moulding ship propulsion efficiency.

Description

Stern structure of rotational molding boat

Technical Field

The utility model belongs to the technical field of boats and ships, a rotational moulding ship, especially a rotational moulding ship stern structure are related to.

Background

The fire rescue boat is a portable boat mainly used for fire rescue. The traditional flood rescue boat mainly comprises an inflatable rubber boat and a glass fiber reinforced plastic assault boat, wherein the inflatable rubber boat has the advantage of convenient transportation, but also has the defects of small bearing capacity, easy aging of rubber, easy puncture when encountering sharp obstacles and the like; the glass fiber reinforced plastic assault boat has the defects of pungent smell, harm to environment and human health, poor impact resistance of the boat body, easy sinking after water inlet, incapability of recycling the scrapped boat body and the like in the production process.

With the development of rotational molding technology, a mechanically/mechanically-propelled dual-purpose rotational molding boat (application number 201020691601.9) has been proposed, which has the advantages of light weight, economy, safety and the like, but also has some disadvantages: 1. if the hull shell is broken, water enters the inner cavity of the shell, so that the ship cannot be normally used and personal safety is endangered. 2. It has been proposed to fill the interior of the hull with a foaming agent, such as a rotomoulded hollow hull (application No. 201020647439.0), but the internal foam material does not bond tightly to the hull and does not significantly improve the impact resistance of the hull. 3. Ordinary rotational moulding ships and light boats usually match the propeller of fixed model, and the condition is more urgent during the fire rescue, expects that more different models's propeller homoenergetic enough installs on rotational moulding ships and light boats. 4. The working condition is more abominable during fire rescue, if rescue in the torrential rain, carry life buoy etc. ordinary rotational moulding ships and light boats can't satisfy the fire rescue demand.

Disclosure of Invention

The utility model provides a rotational moulding ship stern structure, the utility model discloses the technical problem who solves makes the rotational moulding ship be fit for installing the propeller of more models how.

The to-be-solved technical problem of the utility model can be realized through the following technical scheme: the utility model provides a rotational moulding ship stern structure, rotational moulding ship stern structure includes the hull, and rotational moulding ship stern structure is including the back plate that is arranged in the hull, its characterized in that has seted up on the back plate and has dodged the mouth, dodges a mouthful department and is provided with the tailboard, through detachable construction fixed connection between tailboard and the back plate.

The tailboard can be changed according to the propeller model, also can set up corresponding mounting structure, like the bolt hole on the tailboard according to the propeller model. Avoid the mouth to avoid the installation that the back board influences the propeller through setting up.

Compared with the prior art, the propeller is installed on the tailboard of this rotational moulding ship stern structure, owing to can be according to the nimble tailboard of changing of propeller model, not only make the rotational moulding ship be fit for installing the propeller of more models, guarantee moreover that the propeller is in on the optimum mounted position, realize improving rotational moulding ship propulsion efficiency.

In the stern structure of the rotomoulding boat, the tail plate comprises a lower tail plate and an upper tail plate positioned above the lower tail plate.

In the stern structure of the rotational moulding boat, the lower tail plate, the upper tail plate and the rear plate part are fixedly connected through a detachable structure.

In the stern structure of the rotational molding boat, a groove is formed in the edge of the avoiding opening in the rear plate part, and the tail plate is embedded into the groove.

In the stern structure of the rotational molding boat, a clamping strip is padded between the tail plate and the side face of the groove.

In the stern structure of the rotational molding boat, the tail plate and the rear plate part are fixedly connected through bolts and nuts.

In the stern structure of the rotational molding boat, the boat body comprises a cabin, and the stern structure of the rotational molding boat further comprises a water retaining part located in the boat body, wherein the water retaining part is used for preventing water from entering the cabin through an avoiding opening.

In the stern structure of the rotomoulded boat, the water blocking part is positioned inside the rear plate part.

In the stern structure of the rotational molding boat, the stern structure further comprises a lamp bracket arranged on the boat body, and a lamp is arranged on the lamp bracket.

In the stern structure of the rotational molding boat, the lamp bracket is also provided with a life buoy hook.

Drawings

Fig. 1 is a schematic perspective view of a rotomoulded boat.

Figure 2 is a schematic top view of a rotomoulded boat.

Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion C of fig. 3.

Fig. 5 is a schematic cross-sectional view at B-B in fig. 2.

Figure 6 is a schematic view of the structure of the rotomoulded boat from the right.

Fig. 7 is an enlarged view of a portion of fig. 2.

FIG. 8 is a schematic sectional view of the second embodiment and the section A-A in FIG. 2.

In the figure, 1, a ship body; 1a, a foaming inner core; 1b, an inner barrier layer; 1c, a foamed outer layer; 1d, a shell; 1e, a bow; 1f, a cabin; 1f1, bottom plate part; 1f2, side plate portion; 1f3, a stool part; 1g, a stern; 1g1, rear panel; 1g2, an avoidance port; 1g3, water retaining part; 1h, a storage cavity; 2. a driving console; 3. a lamp holder; 4. a tail plate; 4a, a lower tail plate; 4b, an upper tail plate; 4c, a groove; 5. a bolt and a nut; 6. a propeller; 7. a D-shaped ring; 8. a rope; 9. a drain valve; 10. clamping the strip; 11. a signal lamp; 12. an illuminating lamp; 13. a ship sidelight; 14. a lifebuoy hook; 15. a U-shaped bolt.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows: as shown in fig. 1 to 7, a rotomoulded boat includes a hull 1, a cockpit 2, a lamp holder 3 and a tail plate 4.

The ship body 1 is formed by adopting a rotational molding process, and the ship body 1 sequentially comprises a foaming inner core 1a, a barrier inner layer 1b, a foaming outer layer 1c and a shell 1d from inside to outside. The foaming inner core 1a is made of polyurethane foaming material, and the foaming outer layer 1c is made of polyethylene foaming material; the barrier inner layer 1b and the outer shell 1d are made of polyethylene or polypropylene.

The thickness of the foamed outer layer 1c is 8mm to 30mm, and the barrier inner layer 1b is arranged substantially parallel to the outer shell 1 d. The foamed outer layer 1c is bonded to both the barrier inner layer 1b and the outer shell 1 d. The thickness of the blocking inner layer 1b is smaller than that of the shell 1d, and the thickness of the blocking inner layer 1b is 1.5mm-2.5mm, so that the blocking inner layer 1b is favorably formed, the rotational molding boat is reduced, and the manufacturing cost is reduced.

This rotational moulding ship's foaming skin makes foaming inner core and shell zonulae occludens with the separation inlayer, when the hull suffered the striking carelessly, is favorable to transmitting the impact all around, realizes the dispersion effort and is favorable to quick absorbed energy, reduces the damaged possibility of shell, is showing the shock resistance who improves the hull. After the shell and the foaming inner core of the rotational molding boat are broken carelessly, water can only fill the gap, so that the bearing capacity of the rotational molding boat is only slightly reduced, and the rotational molding boat cannot sink. Even if the ship body is broken, the foamed inner core generates buoyancy, so that the rotational molding ship can not sink, and even the rotational molding ship can still sail continuously. The ship body of the rotational molding boat has the advantages of high strength and difficult damage; the shell and the blocking inner layer of the ship body in the rotational molding boat are damaged, and sinking cannot be caused. This rotational moulding ships and light boats has the security height, is fit for using in adverse circumstances, is fit for being used for amusement yacht, fire control rescue ship promptly.

The hull 1 is provided with a bow 1e, a cabin 1f and a stern 1g in sequence from front to back. The cabin 1f comprises a bottom plate part 1f1 and two side plate parts 1f2, stool parts 1f3 are arranged on the inner sides of the two side plate parts 1f2, and the stool parts 1f3 are connected with the side plate parts 1f2, the bottom plate part 1f1, the bow part 1e and the stern part 1g, so that the stool parts 1f3 not only improve the bearing capacity of the rotomoulding boat, but also improve the strength of the boat body 1, and passengers can sit on the stool parts 1f3 for rest. The side of the stool part 1f3 is provided with a D-ring 7 for fixing the transportation material. The top of the side panel portion 1f2 has a handle area to facilitate handling of the rotomoulded boat; the top of the side plate part 1f2 is provided with a rope 8, so that the side plate part not only can be held by passengers, but also is convenient for carrying the rotomoulded boat.

The drain valve 9 is mounted on the bottom plate part 1f1 of the cabin 1f, and the drain valve 9 can be opened when the rotomoulding boat is cleaned and maintained, so that water in the cabin 1f can be drained and drained conveniently. Still be equipped with storing chamber 1h in cabin 1f, storing chamber 1h can be used to deposit battery and fuel.

The stern 1g has a rear plate portion 1g1 and a water blocking portion 1g3, an avoidance port 1g2 is provided on the rear plate portion 1g1, the water blocking portion 1g3 is located inside the rear plate portion 1g1, and the water blocking portion 1g3 prevents water from entering the cabin 1f through the avoidance port 1g 2. Dodge mouth 1g2 department and be provided with tailboard 4, pass through bolt and nut 5 fixed connection between the back board portion 1g1 of tailboard 4 and stern 1g, suitable propeller 6 can be selected according to the actual use condition to the rotational moulding ship from this, again according to propeller 6 selection matched tailboard 4, set up the bolt hole on tailboard 4 and just can fix tailboard 4 on stern 1g, realize installing propeller 6. The tail plate 4 comprises a lower tail plate 4a and an upper tail plate 4b positioned above the lower tail plate 4a, and the lower tail plate 4a and the upper tail plate 4b are fixed on the stern 1g through bolts and nuts 5; the actual height of the top surface of the tailgate 4 may be adjusted depending on whether the tailgate 4b is installed or not, and the tailgate 4 is constructed to fit most types of propellers 6. Two U-shaped bolts 15 are installed on the lower tail plate 4a, so that the propeller 6 can be connected with the U-shaped bolts 15 by a rope to fix the propeller 6 when being clamped on the tail plate 4, namely, the propeller 6 is not required to be fixed on the tail plate 4 by bolts and nuts, and the installation convenience of the propeller 6 is obviously improved.

The driving operation platform 2 is arranged in the cabin 1f, the driving operation platform 2 is fixedly connected with the bottom plate part 1f1 through bolts and nuts, and the propeller 6 is connected with the driving operation platform 2 through a direction line and a lead, so that the rotomoulding boat can be conveniently driven. The driving operation platform 2 can be conveniently disassembled and assembled, so that the transportation and storage convenience of the rotational molding boat is improved, and whether the driving operation platform 2 is used or not can be selected according to the actual use condition.

The edge of stern 1g dodges mouth 1g2 has seted up recess 4c, and in tailboard 4 embedding recess 4c, be convenient for like this install tailboard 4 and improve the installation fastness of tailboard 4. The thickness of tailboard 4 also can adjust according to propeller 6, and when 4 thickness of tailboard were less than recess 4c width, can fill up between tailboard 4 and recess 4c side and establish card strip 10, can effectively guarantee tailboard 4 installation fastness like this.

Lamp holder 3 is equipped with in the top of stern 1g, through bolt and nut fixed connection between lamp holder 3 and the stern 1g, also be convenient for like this dismantle lamp holder 3, and then be convenient for transport and store to and whether install lamp holder 3 according to the nimble selection of in service behavior. The lamp bracket 3 is provided with a signal lamp 11, a lighting lamp 12, a ship lamp 13 and a life buoy hook 14, so that people can observe the rescue boat conveniently, and the rescue boat can be found and saved.

Example two: the structure and principle of the present embodiment are substantially the same as those of the first embodiment, and the substantially same parts are not described redundantly, but only different parts are described, and the different parts are: the hull 1 is not provided with an inner barrier layer 1b, and the hull 1 sequentially comprises a foaming inner core 1a, a foaming outer layer 1c and an outer shell 1d from inside to outside. The foaming outer layer 1c is adhered with the foaming inner core 1a and the shell 1 d; this rotational moulding ship's foaming skin makes foaming inner core and shell closely combine.

Claims (10)

1. The utility model provides a rotational moulding ship stern structure, rotational moulding ship include hull (1), rotational moulding ship stern structure is including back board (1 g 1) that is arranged in hull (1), its characterized in that, has seted up on back board (1 g 1) and has dodged mouth (1 g 2), dodges mouth (1 g 2) department and is provided with tailboard (4) that supply propeller (6) to install, through detachable construction fixed connection between tailboard (4) and back board (1 g 1).

2. The rotomoulded boat stern structure of claim 1, wherein the edges of the escape opening (1 g 2) in the back panel portion (1 g 1) are grooved (4 c), the tailgate (4) being embedded in the grooves (4 c).

3. The rotomoulded boat stern structure of claim 2, wherein a strip (10) is padded between the transom (4) and the sides of the groove (4 c).

4. The rotomoulded boat stern structure of claim 1, wherein the transom (4) and the rear panel portion (1 g 1) are fixedly connected by means of bolts and nuts (5).

5. The rotomoulded boat stern structure of claim 1 or 2 or 3 or 4, wherein a plurality of U-bolts (15) are mounted on the transom (4).

6. The rotomoulded boat stern structure of claim 1 or 2 or 3 or 4, wherein the transom (4) comprises a lower transom (4 a) and an upper transom (4 b) above the lower transom (4 a).

7. The rotomoulded boat stern structure of claim 6, wherein the lower and upper transoms (4 a, 4 b) and the rear plate portion (1 g 1) are fixedly connected by a detachable structure.

8. A rotomoulded boat stern structure according to claim 1 or 2 or 3 or 4, wherein the hull (1) includes a hold (1 f), the rotomoulded boat stern structure further including a water dam (1 g 3) in the hull (1), the water dam (1 g 3) being for preventing water from entering the hold (1 f) through the avoidance opening (1 g 2).

9. The rotomoulded boat stern structure of claim 8, wherein the water dam (1 g 3) is located inside the rear panel section (1 g 1).

10. The rotomoulded boat stern structure according to claim 1 or 2 or 3 or 4, further comprising a light bracket (3) mounted on the hull (1), the light bracket (3) having a light mounted thereon.

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