CN113363909B

CN113363909B - Marine junction box

Info

Publication number: CN113363909B
Application number: CN202110649257.XA
Authority: CN
Inventors: 方玉龙; 何为; 李康; 徐文涛
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-06-14
Anticipated expiration: 2041-06-08
Also published as: CN113363909A

Abstract

The invention relates to a junction box for a ship, which comprises an upper cover body, a lower box body, a plurality of wiring boards arranged in the inner cavity of the lower box body, connector seats corresponding to the wiring boards one by one, and sealing devices arranged at gaps among the wiring boards and at the connecting gaps between the upper cover body and the lower box body, wherein the sealing devices simultaneously seal the space in the junction box where each wiring board is arranged and seal the gaps between the upper cover body and the lower box body. According to the invention, the wiring boards are arranged in the lower box body, the sealing device is driven by the cover closing action of the upper cover body, the gap between the adjacent wiring boards and the connecting gap between the upper cover body and the lower box body are sealed, the cavity of the wiring box corresponding to each wiring board is sealed, when the individual wiring board is affected with damp, the use of other wiring boards is not influenced, the replacement cost is reduced, and the electric wire pipes connected to the wiring boards can be replaced to other connector bases, so that the wiring boards can be directly and quickly put into use.

Description

Marine junction box

Technical Field

The invention belongs to the technical field of junction boxes, and particularly relates to a junction box for a ship.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted for transition at the joint part of the electric wire (such as longer line or corner of the electric wire tube), the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box to play the roles of protecting the electric wire and connecting the electric wire, and the junction box is the junction box.

As is well known, when the ship sails on the sea, because the marine environment is comparatively abominable, the humidity ratio is great, salt fog corrosivity can the reinforce, consequently, it is higher to the marine terminal box requirement relative ratio of shipboard usefulness, current marine terminal box comprises a plurality of joint supports on box lateral wall down by upper cover, lower box body, wiring board and screw thread installation in the box body inner chamber down, inside wiring board is the integration setting, whole all can not use when it wets, need whole change, increase cost and can not in time come into use.

Disclosure of Invention

The invention aims to solve the problems and provide a junction box for a ship, which has a simple structure and reasonable design.

The invention realizes the purpose through the following technical scheme:

the utility model provides a terminal box for ship, includes the upper cover body, box body, install a plurality of wiring board in box body inner chamber down, with the joint seat of wiring board one-to-one, set up gap department between a plurality of wiring board and the sealing device of upper cover body and box body coupling gap department down, sealing device seals the space in every wiring board place terminal box simultaneously and will go up the cover and seal the gap between the box body down.

As a further optimization scheme of the invention, the edges of the upper cover body and the lower box body are detachably connected through screws.

As a further optimization scheme of the invention, a sealing platform is fixedly arranged at the edge of the bottom end of the upper cover body, and the sealing platform is inserted into the edge of the outer wall of the lower box body and is in contact with a sealing device.

As a further optimization scheme of the invention, the sealing device comprises a first isolation plate, a second isolation plate, a top plate assembly and an elastic isolation assembly, wherein the top end of the elastic isolation assembly is fixed with the first isolation plate and the second isolation plate, and the bottom end of the elastic isolation assembly is fixed with the lower box body.

As a further optimization scheme of the invention, the first isolation plate is arranged around a gap between the wiring board and the lower box body and corresponds to a connecting gap between the upper cover body and the lower box body, the second isolation plate is embedded in a gap between adjacent wiring boards, and the first isolation plate and the second isolation plate are fixedly connected into a whole.

As a further optimization scheme of the invention, the elastic isolation assembly comprises an elastic cushion and a cavity arranged in the elastic cushion, and inner cavities of the elastic cushions at the bottoms of the first isolation plate and the second isolation plate are communicated.

As a further optimization scheme of the invention, the elastic cushion is made of high-temperature-resistant sealing silica gel.

As a further optimization scheme of the invention, one side of the bottom of the elastic cushion is fixedly provided with an inflation tube, one end of the inflation tube penetrates through the lower box body and extends to the outside of the lower box body to be clamped with the sealing plug, and the injection equipment fills the fire retardant or inert gas fire extinguishing agent or air into the cavity inside the elastic cushion through the inflation tube.

As a further optimized scheme of the invention, a through hole for connecting a wire with the connector base through the wiring board is arranged on the elastic pad in a penetrating way.

As a further optimization scheme of the invention, the top plate component comprises an upper ejector rod, an inner cylinder, an outer cylinder, a cylindrical piston, an annular piston and a top pipe. The upper ejector rod is fixed on the lower surface of the upper cover body and corresponds to a cylindrical piston in the inner barrel, the inner barrel and the outer barrel are concentrically distributed and fixed on the lower surface of the inner cavity of the lower box, an exhaust port is formed in the bottom of the inner barrel, the cylindrical piston is movably arranged in the inner cavity of the inner barrel, the annular piston and the push pipe are movably arranged in the annular cavity between the inner barrel and the outer barrel, the top end of the push pipe is fixedly connected with the first isolation plate, and the bottom end of the push pipe is fixedly connected with the annular piston.

The invention has the beneficial effects that:

1) according to the invention, the wiring boards are arranged in the lower box body, the sealing device is driven by the cover closing action of the upper cover body, the gap between the adjacent wiring boards and the connecting gap between the upper cover body and the lower box body are sealed, the cavity of the wiring box corresponding to each wiring board is sealed, the sealing performance of each wiring board is ensured, when the individual wiring board is affected with damp, the use of other wiring boards is not influenced, only the damped wiring board needs to be replaced, the replacement cost is reduced, and the electric wire pipes connected to the wiring boards can be replaced to other connector bases, so that the wiring boards can be directly and quickly put into use;

2) the sealing device provided by the invention performs sealing work by using the elastic cushion with the cavity, the flame retardant or inert gas fire extinguishing agent or air is injected into the cavity through the injection equipment, the elastic cushion can be inflated and expanded, the sealing effect is enhanced, and the flame retardant or nitrogen, carbon dioxide gas and the like can be filled to play a flame retardant effect.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a top plan view of the lower case of the present invention;

FIG. 3 is a bottom plan view of the upper cover of the present invention;

FIG. 4 is a bottom view of the isolator plate I, isolator plate II, elastomeric isolator assembly of the present invention;

FIG. 5 is a schematic cross-sectional view of portion A of FIG. 1 according to the present invention;

FIG. 6 is a schematic cross-sectional view of portion B of FIG. 1 in accordance with the present invention;

in the figure: 1. an upper cover body; 2. a lower box body; 3. a wiring board; 4. a joint base; 5. a sealing device; 51. a first separator plate; 52. a second separator plate; 53. a top plate assembly; 531. an ejector rod is arranged; 532. an inner cylinder; 533. an outer cylinder; 534. a cylindrical piston; 535. an annular piston; 536. jacking pipes; 537. an exhaust port; 54. an elastomeric isolation component; 541. an elastic pad; 542. a cavity; 6. a sealing table; 7. an inflation tube; 8. and (4) sealing the plug.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 to 6, a terminal box for a ship comprises an upper cover body 1, a lower box body 2, a plurality of wiring boards 3 arranged in the inner cavity of the lower box body 2, connector bases 4 corresponding to the wiring boards 3 one by one, and sealing devices 5 arranged at the gaps between the wiring boards 3 and the connecting gaps between the upper cover body 1 and the lower box body 2, wherein the sealing devices 5 simultaneously seal the space in the terminal box where each wiring board 3 is located and seal the gaps between the upper cover body 1 and the lower box body 2.

The edges of the upper cover body 1 and the lower box body 2 are detachably connected through screws. Go up 1 bottom edge of lid and fix and be equipped with seal platform 6, seal platform 6 inserts 2 outer wall edges of box body down and contacts with sealing device 5, realizes preliminary sealing.

It should be noted that, after the upper cover body 1 and the lower box body 2 are connected, the sealing device 5 seals the wiring boards 3 in an isolated manner, and simultaneously seals the gap between the upper cover body 1 and the lower box body 2, so as to ensure the sealing performance of the wiring boards 3, and when a certain wiring board 3 is affected with damp, the use of other wiring boards 3 is not affected, and the wiring boards 3 and the lower box body 2 can be fixed by screws, so that the wiring boards 3 can be conveniently replaced.

Sealing device 5 includes that division board 51, No. two division boards 52, roof subassembly 53, top and division board 51 and No. two division boards 52 are fixed and the bottom and the fixed elastic isolation subassembly 54 of box 2 down, roof subassembly 53 is driven by last lid 1, and it is tensile to move up through division board 51, No. two division boards 52 drive elastic isolation subassembly 54 to it is sealed with upper cover 1 and box 2 connection gap down, with the space seal in the terminal box of every wiring board 3 place. The first isolation plate 51 is arranged around a gap between the wiring board 3 and the lower box body 2 and corresponds to a connecting gap between the upper cover body 1 and the lower box body 2, the second isolation plate 52 is embedded in a gap between adjacent wiring boards 3, and the first isolation plate 51 and the second isolation plate 52 are fixedly connected into a whole.

It should be noted that, when the upper cover body 1 covers the lower box body 2, the upper cover body 1 moves down to drive the top plate assembly 53, the top plate assembly 53 drives the first isolation plate 51 and the second isolation plate 52 to move up, and then drives the elastic isolation assembly 54 at the bottom to move up and stretch, at this moment, the elastic isolation assembly 54 can seal the connection gap between the upper cover body 1 and the lower box body 2, and simultaneously, the space in the junction box where each wiring board 3 is located is sealed, so that the sealing effect is better.

The elastic isolation assembly 54 comprises an elastic pad 541 and a cavity 542 arranged inside the elastic pad 541, and inner cavities of the elastic pads 541 at the bottoms of the first isolation plate 51 and the second isolation plate 52 are communicated. The elastic pad 541 is made of high temperature resistant sealing silicone. An inflation tube 7 is fixedly arranged on one side of the bottom of the elastic pad 541, one end of the inflation tube 7 penetrates through the lower box body 2 and extends to the outside of the lower box body 2 to be clamped with the sealing plug 8, and the injection equipment fills a fire retardant or an inert gas fire extinguishing agent or air into the cavity 542 inside the elastic pad 541 through the inflation tube 7. The elastic pad 541 is provided with a through hole for connecting a wire with the connector base 4 through the wiring board 3.

It should be noted that the elastic pad 541 may be configured as an organ, which is convenient to stretch and compress, and does not occupy space, when the isolation plate moves the elastic pad 541 upward, the elastic pad 541 stretches, and at this time, the gas, the fire retardant, or the inert gas fire extinguishing agent may be filled into the inflation tube 7 through an injection device such as an injector, and the elastic pad 541 may be inflated and expanded to enhance the sealing effect, and the fire retardant, or the nitrogen, the carbon dioxide, or the like may be filled to achieve the fire retardant effect.

The top plate assembly 53 includes an upper ejector rod 531, an inner cylinder 532, an outer cylinder 533, a cylindrical piston 534, an annular piston 535, and a top tube 536. The upper ejector rod 531 is fixed on the lower surface of the upper cover body 1 and corresponds to a cylindrical piston 534 in the inner cylinder body 532, the inner cylinder body 532 and the outer cylinder body 533 are concentrically distributed and fixed on the lower surface of the inner cavity of the lower box body 2, the bottom of the inner cylinder body 532 is provided with an exhaust port 537, the cylindrical piston 534 is movably arranged in the inner cavity of the inner cylinder body 532, the annular piston 535 and the ejector pipe 536 are movably arranged in the annular cavity between the inner cylinder body 532 and the outer cylinder body 533, the top end of the ejector pipe 536 is fixedly connected with the first isolation plate 51, and the bottom end of the ejector pipe 536 is fixedly connected with the annular piston 535.

It should be noted that, when the upper cover 1 moves down, it drives the upper ejector rod 531 to insert into the inner cylinder 532 in the lower box 2, on one hand, the positioning and installation function is achieved, on the other hand, the upper ejector rod 531 moves down to push the cylindrical piston 534 to move down, the cylindrical piston 534 discharges the gas in the bottom inner cavity to the space between the inner cylinder 532 and the outer cylinder 533 through the exhaust port 537, and jacks up the annular piston 535, the annular piston 535 drives the first separation plate 51 to move up through the top pipe 536, the first separation plate 51 drives the second separation plate 52 to move up, and the two separation plates respectively drive the elastic pads 541 at the bottoms of the two separation plates to move up and stretch, so that the sealing and isolation functions can be achieved. After the upper cover body 1 is taken down, the partition plate can be pressed downwards, the elastic pad 541 is compressed, the wiring board 3 is convenient to take out and replace, the annular piston 535 is driven by the jacking pipe 536 to move downwards, the cylindrical piston 534 is jacked up reversely, the original position is recovered, and the next sealing preparation work is convenient to perform.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A terminal box for a ship is characterized in that: the sealing device comprises an upper cover body (1), a lower box body (2), a plurality of wiring boards (3) arranged in the inner cavity of the lower box body (2), connector bases (4) corresponding to the wiring boards (3) one by one, and sealing devices (5) arranged at gaps among the wiring boards (3) and at the connecting gaps between the upper cover body (1) and the lower box body (2), wherein the sealing devices (5) simultaneously seal the space in the wiring box where each wiring board (3) is located and seal the gaps between the upper cover body (1) and the lower box body (2);

sealing device (5) are including division board (51), No. two division boards (52), roof subassembly (53), top and division board (51) and No. two division boards (52) fixed and bottom and the fixed elastic isolation subassembly (54) of box body (2) down, roof subassembly (53) are driven by last lid (1), drive elastic isolation subassembly (54) through division board (51), No. two division boards (52) and shift up tensile to it is sealed with last lid (1) and box body (2) connection gap down, with the space seal in every wiring board (3) place wiring box.

2. A marine junction box according to claim 1, wherein: the edge of the upper cover body (1) is detachably connected with the edge of the lower box body (2) through screws.

3. A marine junction box according to claim 1, wherein: go up lid (1) bottom edge fixed and be equipped with sealing station (6), sealing station (6) insert down box body (2) outer wall edge and with sealing device (5) contact.

4. A marine junction box according to claim 1, wherein: no. one division board (51) encircle and set up in the gap department between wiring board (3) and lower box body (2) to it is corresponding with last lid (1) and lower box body (2) connecting gap, No. two division boards (52) are inlayed and are located adjacent wiring board (3) gap, division board (51) and No. two division boards (52) fixed connection are in an organic whole.

5. A marine junction box according to claim 1, wherein: the elastic isolation assembly (54) comprises an elastic pad (541) and a cavity (542) arranged inside the elastic pad (541), and inner cavities of the elastic pad (541) at the bottoms of the first isolation plate (51) and the second isolation plate (52) are communicated.

6. The marine junction box of claim 5, wherein: the elastic pad (541) is made of high-temperature-resistant sealing silica gel.

7. A marine junction box according to claim 5, wherein: the injection device is characterized in that an inflation tube (7) is fixedly arranged on one side of the bottom of the elastic pad (541), one end of the inflation tube (7) penetrates through the lower box body (2) and extends to the outside of the lower box body (2) to be clamped with the sealing plug (8), and the injection device is filled with a fire retardant or an inert gas fire extinguishing agent or air into the inner cavity (542) of the elastic pad (541) through the inflation tube (7).

8. The marine junction box of claim 5, wherein: the elastic pad (541) is provided with a through hole for connecting a wire with the connector base (4) through the wiring board (3) in a penetrating way.

9. A marine junction box according to claim 1, wherein: the top plate component (53) comprises an upper ejector rod (531), an inner cylinder body (532), an outer cylinder body (533), a cylindrical piston (534), an annular piston (535) and a top pipe (536), the upper ejector rod (531) is fixed on the lower surface of the upper cover body (1) and corresponds to the cylindrical piston (534) in the inner cylinder body (532), the inner cylinder (532) and the outer cylinder (533) are concentrically distributed and fixed on the lower surface of the inner cavity of the lower box body (2), an exhaust port (537) is arranged at the bottom of the inner cylinder body (532), the cylindrical piston (534) is movably arranged in the inner cavity of the inner cylinder body (532), the annular piston (535) and the jacking pipe (536) are movably arranged in an annular cavity between the inner cylinder (532) and the outer cylinder (533), the top end of the top pipe (536) is fixedly connected with the first isolation plate (51), and the bottom end of the top pipe (536) is fixedly connected with the annular piston (535).