Ground type spray head for ship

By designing ground-mounted sprinklers, the problem of fire coverage in the open area in the middle of the deck of large ships was solved. The sprinklers can extend and rotate under the deck and automatically reset, ensuring fire safety without affecting deck passage.

CN223654340UActive Publication Date: 2025-12-12CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202422934160.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-12
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing fire sprinklers are difficult to effectively cover the open area in the middle of the deck on large ships, especially when the deck has no additional structure or the structure is far apart, making placement difficult.

Method used

Design a ground-type sprinkler head, which is installed on the underside of the deck. The movable nozzle extends and rotates under fluid pressure to spray water. It uses an inclined spray hole group to achieve uniform spraying and automatically resets after the fluid pressure disappears. The sprinkler head is installed in the deck opening and does not affect passage.

Benefits of technology

It achieves effective spray coverage of the decks of large ships, and the sprinklers ensure fire safety without affecting deck passage. It is also easy to install and highly adaptable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ships, and discloses a ground type spray head for ships, which comprises a barrel and a movable spray core, the movable spray core is movably arranged on an inner cavity of the barrel, a limit block is arranged on the periphery of the top of the movable spray core, a limit groove matched with the limit block is arranged on the inner cavity of the barrel, and a limit plate is arranged at the bottom of the movable spray core. A limiting baffle matched with the limiting plate is arranged on an inner cavity of the barrel, the top of the movable spraying core is sealed, and a water passing opening is formed in the bottom of the movable spraying core; the side wall of the movable spraying core is provided with a first spraying hole group and a second spraying hole group which are arranged up and down, spraying holes of the first spraying hole group are obliquely arranged upwards, and spraying holes of the second spraying hole group are horizontally arranged; a mounting opening is formed in a ship deck, a fixing seat connected with the periphery of the bottom of the mounting opening is arranged on the upper portion of the barrel, and the bottom of the barrel is connected with a water supply pipe. The device is arranged on the lower side of a deck, passing of the ship deck is not affected, and the movable spraying core stretches out to spray under fluid pressure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ship technology field especially is related to a ground formula shower head for ship. BACKGROUND

[0002] Due to the need of fire protection, many fire protection systems and shower heads need to be installed on the ship. At present, most of the shower heads are arranged in a suspended manner, relying on various bulkheads and deck additional structures for arrangement. However, when encountering individual ships, especially in the case of a relatively large and open deck, when the deck has no additional structure or the distance between the additional structures is relatively far, the arrangement of the fire shower head is very difficult to meet the requirements, especially the open area in the middle of the deck is difficult to achieve fire coverage. SUMMARY

[0003] The utility model discloses a kind of ground formula shower head for ship, ground formula shower head is installed in the underside of deck, does not affect the passage of ship deck, movable nozzle is stretched out and sprays under fluid pressure.

[0004] In order to achieve the above object, the utility model provides a kind of ground formula shower head for ship, including cylinder and movable nozzle, the movable nozzle is movably arranged on the inner chamber of the cylinder, the top outer periphery of the movable nozzle is equipped with limit block, the inner chamber of the cylinder is equipped with limit groove with the limit block cooperation, the bottom of the movable nozzle is equipped with limit plate, the inner chamber of the cylinder is equipped with limit baffle with the limit plate cooperation, the top of the movable nozzle is sealed arrangement, the bottom of the movable nozzle is equipped with water opening;The side wall of the movable nozzle is equipped with first injection hole group and second injection hole group arranged upwards and downwards, the first injection hole group and the second injection hole group are all equipped with a plurality of injection holes along the circumference of the movable nozzle, the injection hole of the first injection hole group is upwardly inclined arrangement, the injection hole of the second injection hole group is horizontally arranged, the injection hole of the first injection hole group and the injection hole of the second injection hole group are all inclined arrangement from the inner side wall of the movable nozzle to the outer side wall of the movable nozzle;Installation opening is opened on the deck of ship, the upper portion of the cylinder is equipped with the fixed seat connected with the bottom outer periphery of the installation opening, the bottom of the cylinder is connected with water supply pipe.

[0005] As a preferred scheme of the utility model, the cylinder includes outer sleeve and inner sleeve connected with each other, the fixed seat is arranged at the top of the outer sleeve, the bottom of the outer sleeve is equipped with flange seat connected with water supply pipe, the limit groove is arranged at the inner chamber top of the inner sleeve, the limit baffle is arranged on the inner chamber of the inner sleeve.

[0006] As a preferred scheme of the utility model, the inner side wall of the outer sleeve is equipped with internal thread, the outer side wall of the inner sleeve is equipped with external thread threadedly connected with the internal thread.

[0007] As the preferred scheme of the utility model, the top of the inner sleeve is provided with a connecting plate abutting against the fixed seat, the connecting plate is located in the mounting opening, the limiting groove is arranged on the connecting plate, and the top surface of the connecting plate and the top surface of the movable spray core are flush with the surface of the ship deck.

[0008] As the preferred scheme of the utility model, the limiting block is in the shape of an inverted cone.

[0009] As the preferred scheme of the utility model, the spray holes of the first spray hole group are arranged upwardly at an angle of 45°.

[0010] As the preferred scheme of the utility model, the spray holes of the first spray hole group and the spray holes of the second spray hole group are all five in number.

[0011] As the preferred scheme of the utility model, a sealing ring is arranged between the limiting block and the limiting groove.

[0012] Compared with the prior art, the ship ground type spray head of the utility model embodiment has the beneficial effects that:

[0013] In use, the water supply pipe sends the pressure fluid into the inner cavity of the cylinder and the inner cavity of the movable spray core, under the fluid pressure, the movable spray core can extend out of the inner cavity of the cylinder, the fluid is sprayed out through the spray holes of the first spray hole group and the second spray hole group arranged upwardly and downwardly on the side wall of the movable spray core, since the spray holes of the first spray hole group and the second spray hole group are arranged at an angle from the inner side wall of the movable spray core to the outer side wall of the movable spray core, the spray holes have an arc, the movable spray core can realize suspension rotation under the uneven force of the fluid, a good spraying effect is achieved, the limiting baffle cooperates with the limiting plate to ensure that the movable spray core cannot come out of the cylinder in the use process; after the spraying is completed, the movable spray core is retracted under the action of its own gravity with the disappearance of the fluid pressure, and the reset is realized; the mounting opening is arranged on the ship deck, so that the ship ground type spray head can be arranged on the underside of the deck, and the passing of the ship deck is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model embodiment, the drawings of the embodiment will be briefly introduced below.

[0015] Fig. 1 The structure schematic view of the ship ground type spray head provided by the utility model is shown in the figure.

[0016] Fig. 2 The structure schematic view of the movable spray core of the ship ground type spray head provided by the utility model when the movable spray core extends out is shown in the figure.

[0017] Fig. 3The second injection hole group provided by the utility model provides a sectional structure diagram;

[0018] In the figure, the movable spray core 1, the limiting block 11, the limiting plate 12, the first injection hole group 13, the second injection hole group 14, the injection hole 141, the cylinder 2, the outer sleeve 21, the inner sleeve 22, the limiting baffle 23, the fixed seat 24, the flange seat 25, the connecting plate 26, the sealing ring 27, the deck 3, and the mounting opening 31. DETAILED DESCRIPTION

[0019] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0020] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0021] As Figs. 1 to 3 shown, the utility model preferred embodiment's ground type spray head for ship, including cylinder 2 and movable spray core 1, movable spray core 1 is set up in movable spray core 1's top outer periphery is equipped with limiting block 11, the inner chamber of cylinder 2 is equipped with with limiting block 11 cooperation's limiting groove, the bottom of movable spray core 1 is equipped with limiting plate 12, the inner chamber of cylinder 2 is equipped with with limiting plate 12 cooperation's limiting baffle 23, the top of movable spray core 1 is sealed and set up, the bottom of movable spray core 1 is equipped with water opening, the lateral wall of movable spray core 1 is equipped with first injection hole group 13 and second injection hole group 14 arranged in upper and lower, first injection hole group 13 with second injection hole group 14 all are equipped with multiple injection holes along the circumference of movable spray core 1, the injection hole of first injection hole group 13 is inclined to set up upwards, preferably, the injection hole of first injection hole group 13 is inclined to set up 45 ° upwards, the injection hole 141 of second injection hole group 14 is horizontally set up, the injection hole of first injection hole group 13 with the injection hole of second injection hole group 14 all are inclined to set up from the inner lateral wall of movable spray core 1 to the outer lateral wall of movable spray core 1, the mounting opening 31 is set up on the deck 3 of ship, the upper portion of cylinder 2 is equipped with with the bottom outer periphery of mounting opening 31 connection's fixed seat 24, the bottom of cylinder 2 is connected with water supply pipe.

[0022] The utility model discloses a water supply pipe sends in the inner chamber of the cylinder 2 with the inner chamber of the movable spray core 1 under the fluid pressure, and the movable spray core 1 can stretch out from the inner chamber of the cylinder 2, and the fluid sprays through the jet hole of the first jet hole group 13 and the second jet hole group 14 of the upper and lower arrangement of the side wall of the movable spray core 1, and the jet hole of the first jet hole group 13 and the second jet hole group 14 is arranged to the inner side wall of the movable spray core 1 to the outer side wall of the movable spray core 1 with the inclination, and the movable spray core 1 can realize the suspension rotation under the uneven force of the fluid, reaches good shower effect, and the limiting baffle 23 cooperates with the limiting plate 12, guarantees that the movable spray core 1 can not come off the cylinder 2 in the use process, when the shower is completed, along with the fluid pressure disappearance, the movable spray core 1 is retracted under the gravity of itself, realizes reset, and the installation opening is set up in the ship deck 3, so that the ground type shower head of the ship can be under the deck 3, does not influence the traffic of the ship deck 3.

[0023] Exemplarily, the cylinder 2 comprises an outer sleeve 21 and an inner sleeve 22 connected with each other, the fixed seat 24 is arranged at the top of the outer sleeve 21, the bottom of the outer sleeve 21 is provided with a flange seat 25 connected with the water supply pipe, the limiting groove is arranged at the top of the inner cavity of the inner sleeve 22, and the limiting baffle 23 is arranged on the inner cavity of the inner sleeve 22, so as to facilitate the connection and installation of the ground type shower head of the ship.

[0024] Specifically, the inner side wall of the outer sleeve 21 is provided with an inner thread, the outer side wall of the inner sleeve 22 is provided with an outer thread threadedly connected with the inner thread, and the outer sleeve 21 and the inner sleeve 22 are connected through threads, so that the installation efficiency is improved.

[0025] Further, the top of the inner sleeve 22 is provided with a connecting plate 26 abutting against the fixed seat 24, the connecting plate 26 is located in the installation opening 31, the limiting groove is arranged on the connecting plate 26, and the top surface of the connecting plate 26, the top surface of the movable spray core 1 and the surface of the ship deck 3 are flush, so as to guarantee the flatness of the ship deck 3 as a whole.

[0026] Exemplarily, the limiting block 11 is inverted conical, so that the movable spray core 1 and the limiting groove of the cylinder 2 are more closely matched when the movable spray core 1 is reset.

[0027] Further, the jet holes of the first jet hole group 13 and the second jet hole group 14 are all provided with five jet holes, so that the water spraying effect is improved.

[0028] Exemplarily, a sealing ring 27 is arranged between the limiting block 11 and the limiting groove, so as to guarantee the water sealing effect between the movable spray core 1 and the cylinder 2 after the movable spray core 1 is reset.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled in the art, under the premise of not departing from the technical principles of the utility model, a number of improvements and substitutions can also be made, these improvements and substitutions should also be considered as the protection scope of the utility model.

Claims

1. A ground-type sprinkler for ships, characterized in that, The device includes a cylinder and a movable nozzle. The movable nozzle is movably mounted on the inner cavity of the cylinder. A limiting block is provided on the outer periphery of the top of the movable nozzle. A limiting groove that mates with the limiting block is provided on the inner cavity of the cylinder. A limiting plate is provided at the bottom of the movable nozzle. A limiting baffle that mates with the limiting plate is provided on the inner cavity of the cylinder. The top of the movable nozzle is sealed, and the bottom of the movable nozzle has a water passage opening. The sidewall of the movable nozzle has a first group of spray holes and a second group of spray holes arranged vertically. Both the first group of spray holes and the second group of spray holes have multiple spray holes along the circumference of the movable nozzle. The spray holes of the first group of spray holes are inclined upwards, and the spray holes of the second group of spray holes are horizontally arranged. The spray holes of the first group of spray holes and the second group of spray holes are inclined from the inner sidewall of the movable nozzle to the outer sidewall of the movable nozzle. An installation opening is provided on the ship deck. A fixing seat connected to the outer periphery of the bottom of the installation opening is provided on the upper part of the cylinder. The bottom of the cylinder is connected to a water supply pipe.

2. The marine ground-type sprinkler head as described in claim 1, characterized in that, The cylinder body includes an outer sleeve and an inner sleeve connected to each other. The fixing seat is located at the top of the outer sleeve, and the bottom of the outer sleeve is provided with a flange seat connected to the water supply pipe. The limiting groove is located at the top of the inner cavity of the inner sleeve, and the limiting baffle is located on the inner cavity of the inner sleeve.

3. The marine ground-type sprinkler head as described in claim 2, characterized in that, The inner wall of the outer sleeve is provided with an internal thread, and the outer wall of the inner sleeve is provided with an external thread that is threadedly connected to the internal thread.

4. The marine ground-type sprinkler head as described in claim 2, characterized in that, The top of the inner sleeve is provided with a connecting plate that abuts against the fixed seat. The connecting plate is located inside the installation opening. The limiting groove is provided on the connecting plate. The top surface of the connecting plate and the top surface of the movable nozzle are flush with the surface of the ship deck.

5. The marine ground-type sprinkler head as described in claim 1, characterized in that, The limiting block is inverted cone shape.

6. The marine ground-type sprinkler head as described in claim 1, characterized in that, The injection holes of the first injection hole group are arranged at an upward tilt of 45°.

7. The marine ground-type sprinkler head as described in claim 1, characterized in that, Both the first group of injection holes and the second group of injection holes have five injection holes.

8. The marine ground-type sprinkler head as described in claim 1, characterized in that, A sealing ring is provided between the limiting block and the limiting groove.