CN220895962U

CN220895962U - Distribution box

Info

Publication number: CN220895962U
Application number: CN202322472967.7U
Authority: CN
Inventors: 王世林; 刘戬; 郭子成; 周彬; 刘宏伟; 刘刚; 张兴生
Original assignee: Three Gorges New Energy Offshore Wind Power Operation And Maintenance Jiangsu Co ltd
Current assignee: Three Gorges New Energy Offshore Wind Power Operation And Maintenance Jiangsu Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-05-03
Anticipated expiration: 2033-09-12

Abstract

The utility model provides a distribution box, which belongs to the technical field of distribution boxes and comprises: the box body is provided with a plurality of connecting holes, and a switch piece is arranged in the box body; the first plug is arranged on the connecting hole and is electrically connected with the switch piece; the first plug is provided with a second plug which is in plug-in fit with the first plug, the second plug is arranged at the end part of the cable, and the second plug can be plugged into the first plug and is electrically connected with the first plug; according to the utility model, the first plug is arranged on the connecting hole and is electrically connected with the switch piece in the box body, namely, when a cable is installed, the second plug which is matched and spliced with the first plug is only required to be installed at the end part of the cable, and the second plug is inserted into the first plug, so that the quick connection between the cable and the distribution box can be realized.

Description

Distribution box

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to a distribution box.

Background

The tidal current energy distribution box is used for being connected with an underwater engine through a cable.

In the prior art, a hole for a cable to enter and exit is reserved in the side end face of the box body, the cable passes through the hole and then is connected with a switch in the box body, one end of the cable is an incoming wire, and the other end of the cable is an outgoing wire.

However, when the cable is disassembled from the distribution box in the prior art, the switch of the distribution box needs to be disconnected, the screw for pressing the cable is unscrewed, and then the cable is penetrated out of the hole. Each tidal current energy distribution box is provided with a plurality of cables, so that the disassembly of the cables is inconvenient, and the box body is easy to damage the cable sheath during the disassembly.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the distribution box in the prior art cannot be connected or disconnected with a cable quickly, so as to provide the distribution box.

In order to solve the above technical problems, the present utility model provides a distribution box, including: the box body is provided with a plurality of connecting holes, and a switch piece is arranged in the box body;

the first plug is arranged on the connecting hole and is electrically connected with the switch piece;

The first plug is provided with a second plug which is matched with the first plug in a plugging manner, the second plug is arranged at the end part of the cable, and the second plug can be plugged into the first plug and is electrically connected with the first plug.

Preferably, the method further comprises: the external connection piece is arranged on the connecting hole in a sealing mode, and the first plug is arranged on the external connection piece.

Preferably, the first plug is detachably provided with a sealing cover for sealing the first plug.

Preferably, the sealing cap is in threaded connection with the first plug.

Preferably, the sealing cover is connected with the box body through a connecting rope.

Preferably, the sealing cover includes: an inner ring fixedly connected with the connecting rope and an outer ring rotationally connected with the inner ring, wherein the outer ring is provided with a thread part connected with the first plug.

Preferably, the end of the second plug is rotatably provided with a locking member extending axially outwardly, the locking member being threadedly connected to the first plug when the second plug is inserted into the first plug.

Preferably, the box body is provided with a box cover, and one side of the box cover is rotationally connected with the box body.

Preferably, the other side of the case cover is connected with the case body through a buckle.

Preferably, the upper and lower sides of the box body are respectively provided with a connecting hole and a first plug.

The technical scheme of the utility model has the following advantages:

1. According to the distribution box provided by the utility model, the connecting hole is formed in the box body, and the first plug is arranged on the connecting hole to be electrically connected with the switch element in the box body, namely, when a cable is installed, only the second plug matched and spliced with the first plug is installed at the end part of the cable, and the second plug is inserted into the first plug, so that the quick connection between the cable and the distribution box can be realized.

2. The distribution box provided by the utility model is hermetically arranged on the connecting hole through the external connecting piece, so that the sealing effect of the position of the connecting hole is enhanced, and the liquid such as rainwater is prevented from entering the box body.

3. According to the distribution box provided by the utility model, when the second plug is inserted into the upper part of the first plug, the sealing cover is screwed to the end part of the first plug to protect the first plug, so that the first plug is prevented from rusting and corroding.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a power distribution box provided in one embodiment of the present utility model;

Fig. 2 is a perspective view of the power distribution box of fig. 1;

FIG. 3 is a perspective view of the fitting of FIG. 2, a first plug, and a second plug;

FIG. 4 is an exploded view of the outer connector, first plug and second plug of FIG. 3;

fig. 5 is a perspective view of the first plug of fig. 4.

Reference numerals illustrate:

1. A case; 2. a switch member; 3. a first plug; 4. a second plug; 5. an external member; 6. sealing cover; 7. a connecting rope; 8. a locking member; 9. a case cover; 10. an inner ring; 11. an outer ring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The block terminal that this embodiment provided is used for being connected with the generator under water and carries out control protection.

As shown in fig. 1 and fig. 2, a specific implementation manner of the distribution box provided in this embodiment includes: the box 1, be provided with a plurality of connecting holes on the box 1, the inside of box 1 is provided with switch piece 2, and the switch is used for breaking off and the intercommunication circuit. The first plug 3 is arranged on the connecting hole, and the first plug 3 is communicated with the switch piece 2 through an electric wire; the first plug 3 has a second plug 4 mating with it, the second plug 4 being arranged at the end of the cable, the second plug 4 being capable of being plugged into the first plug 3 in electrical connection with the first plug 3. Be provided with the connecting hole on box 1, through setting up the switching piece 2 electricity connection in first plug 3 and box 1 on the connecting hole, when installing the cable promptly, only need install with first plug 3 matched with second plug 4 in the tip of cable, insert second plug 4 in first plug 3 can realize the quick connect of cable and block terminal.

Specifically, after the cable is hard-connected to the second plug 4, the connection is insulated with a vulcanized rubber, and then a layer of insulating adhesive tape is laid outside the vulcanized rubber.

As shown in fig. 1, fig. 2, and fig. 3, an implementation manner of the distribution box provided in this embodiment further includes: the external connection piece 5, external connection piece 5 sealing installation is on the connecting hole, and first plug 3 screw thread is installed on external connection piece 5, through external connection piece 5 sealing installation on the connecting hole, strengthens the sealed effect of connecting hole position, avoids liquid such as rainwater to enter into in the box 1. In addition, as an alternative embodiment, the external connector 5 may not be provided, the first plug 3 may be connected to the connection hole, and the connection portion may be sealed and waterproof by using sealant or a sealing gasket may be provided at the connection hole.

Specifically, the external connector 5 is a stuffing box in the prior art, and can play a role in waterproof sealing. And during installation, the stuffing box is in threaded connection with the connecting hole, and is sealed by epoxy resin cement.

As shown in fig. 1 and 2, for one implementation manner of the distribution box provided in this embodiment, a sealing cover 6 for sealing the first plug 3 is detachably provided on the first plug 3, the sealing cover 6 has an internal thread matched with the first plug 3, and is connected with an external thread at the end of the first plug 3 through the sealing cover 6, when the second plug 4 is not inserted into the first plug 3, the sealing cover 6 seals the first plug 3, so as to play a role in protecting the first plug 3 from rust and corrosion. In addition, as an alternative embodiment, the first plug 3 may be made of copper without providing the sealing cap 6, thereby preventing rust.

As shown in fig. 2, in an implementation manner of the electrical distribution box provided in this embodiment, the sealing cover 6 is in threaded connection with the first plug 3, so that the sealing cover 6 is more convenient to mount and dismount with the first plug 3. In addition, as an alternative embodiment, one end of the sealing cover 6 is rotatably connected with the first plug 3, a torsion spring is arranged between the sealing cover 6 and the first plug 3, the torsion spring has a force for always attaching the sealing cover 6 to the end of the first plug 3, when the second plug 4 needs to be inserted, the sealing cover 6 rotates around the rotation point as the center of a circle, and then the second plug 4 is inserted into the first plug 3; when the second plug 4 is pulled out, the sealing cover 6 automatically covers the end of the first plug 3 due to the force of the torsion spring.

As shown in fig. 2, for one embodiment of the distribution box provided in this embodiment, the sealing cover 6 is connected to the box body 1 through the connecting rope 7, and the sealing cover 6 is prevented from being lost after being detached through the connecting rope 7. In addition, as an alternative embodiment, a small box for placing the sealing cover 6 may be provided outside the case 1 without providing the connection rope 7.

As shown in fig. 1, for one implementation of the distribution box provided in this embodiment, the sealing cover 6 includes: an inner ring 10 fixedly connected with the connecting rope 7 and an outer ring 11 rotationally connected with the inner ring 10, wherein the outer ring 11 is provided with a threaded part connected with the first plug 3, one end of the connecting rope 7 is fixed on the box body 1, the other end is fixed on the inner ring 10, the outer ring 11 is rotationally sleeved outside the inner ring 10, the outer ring 11 extends towards one side far away from the connecting rope 7 along the axial direction to form a threaded part, and the threaded part is an internal thread; the first plug 3 is provided with external threads corresponding to the threads of the outer ring 11, after the outer ring 11 is aligned to the first plug 3, the outer ring 11 is screwed on the first plug 3, and meanwhile, the outer ring 11 is rotationally connected with the inner ring 10, so that the connecting rope 7 is prevented from being knotted when the outer ring 11 rotates. In addition, as an alternative embodiment, the connecting rope 7 is fixed on the inner ring 10, the inner ring 10 can be directly provided with a screw thread part, and the inner ring 10 is in screw thread connection with the first plug 3.

As shown in fig. 3, 4 and 5, in one implementation manner of the electrical distribution box provided in this embodiment, a locking member 8 is rotatably disposed at an end of the second plug 4, the locking member 8 extends axially outwards, and when the second plug 4 is plugged into the first plug 3, the locking member 8 is in threaded connection with the first plug 3, so as to increase tightness between the first plug 3 and the second plug 4. In addition, as an alternative embodiment, the locking member 8 is rotatably provided on the first plug 3.

Specifically, the locking member 8 is cylindrical, the locking member 8 is sleeved on the outer end surface of the second plug 4, one end of the locking member is provided with an internal thread matched with the first plug 3, and after the second plug 4 is aligned with the first plug 3, the second plug 4 and the first plug 3 are gradually locked by screwing the locking member 8.

As shown in fig. 2, for one implementation manner of the distribution box provided in this embodiment, the box body 1 is provided with a box cover 9, one side of the box cover 9 is rotatably connected with the box body 1, the box body 1 is provided with a switch element 2, and when the box cover 9 is opened, the connection of the external connection element 5 and the switch element 2 is facilitated, and after the connection, the circuit inside the box is protected. In addition, as an alternative embodiment, the cover 9 is slidably provided on the case 1.

As shown in fig. 2, for one implementation of the electrical box provided in this embodiment, the other side of the box cover 9 is connected with the box body 1 through a buckle, which is more convenient for opening and closing the box cover 9, so that the connection of the internal circuit is simpler and more convenient. In addition, as an alternative embodiment, a lock is mounted on the case 1 to prevent an outsider from opening to generate an electric shock.

As shown in fig. 1, in an embodiment of the power distribution box provided in this embodiment, a connection hole and a first plug 3 are respectively disposed on the upper and lower surfaces of the box body 1, and the upper surface is powered on, and the lower surface is powered off. The upper and lower sides are not limited, and are divided into an electricity inlet end and an electricity outlet end. In addition, as an alternative embodiment, the power in and the power out are integrated on the same first plug 3, and the power in and the power out corresponding to the second plug 4 are also integrated on the second plug.

The mounting mode of the distribution box is as follows: the case body 1 is rotatably connected with the case cover 9, and the case cover 9 is fixed by a hasp. The box 1 is internally provided with a switch piece 2 for connecting or disconnecting short circuits, a plurality of connecting holes are formed in two side faces of the box 1, an external connector 5 is arranged on each connecting hole, one end of the external connector 5 is connected with the switch piece 2 through an electric wire, and the other end of the external connector 5 is in threaded connection with the first plug 3. One end of the cable is connected with the underwater generator, and the other end is connected with the second plug 4. After the second plug 4 is aligned with the first plug 3, the locking member 8 is screwed to lock the two.

Working principle of distribution box: the switch part 2 is arranged in the box body 1, and the upper surface and the lower surface are respectively provided with an electric inlet end and an electric outlet end. The connecting hole on the box body 1 is provided with the external connecting piece 5, the end part of the external connecting piece 5 is connected with the first plug 3, the second plug 4 of the cable is inserted into the first plug 3, and after the locking piece 8 is used for locking, the cable can be connected with the distribution box, so that the quick connection of the cable and the distribution box is realized.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. An electrical distribution box, comprising:

The box body (1), a plurality of connecting holes are formed in the box body (1), and a switch piece (2) is arranged in the box body (1);

A first plug (3), wherein the first plug (3) is arranged on the connecting hole, and the first plug (3) is electrically connected with the switch piece (2);

The first plug (3) is provided with a second plug (4) which is matched with the first plug in a plugging manner, the second plug (4) is arranged at the end part of the cable, and the second plug (4) can be plugged into the first plug (3) and is electrically connected with the first plug (3).

2. The electrical box of claim 1, further comprising: the external connector (5), external connector (5) sealing installation is in on the connecting hole, first plug (3) is installed on external connector (5).

3. The electrical distribution box according to claim 1, characterized in that the first plug (3) is detachably provided with a sealing cover (6) for sealing the first plug (3).

4. A distribution box according to claim 3, characterized in that the sealing cover (6) is screwed with the first plug (3).

5. The electrical distribution box according to claim 4, characterized in that the sealing cover (6) is connected to the box body (1) by means of a connecting rope (7).

6. The electrical distribution box according to claim 5, characterized in that said sealing cover (6) comprises: an inner ring (10) fixedly connected with the connecting rope (7) and an outer ring (11) rotationally connected with the inner ring (10), wherein the outer ring (11) is provided with a threaded part connected with the first plug (3).

7. The electrical distribution box according to any of claims 1-6, characterized in that the end of the second plug (4) is provided with a locking member (8) in rotation, said locking member (8) extending axially outwards, said locking member (8) being in threaded connection with the first plug (3) when the second plug (4) is inserted into the first plug (3).

8. The electrical distribution box according to any of claims 1-6, characterized in that the box body (1) is provided with a box cover (9), one side of the box cover (9) being rotatably connected with the box body (1).

9. The distribution box according to claim 8, characterized in that the other side of the box cover (9) is connected with the box body (1) by a snap.

10. The distribution box according to any one of claims 1-6, characterized in that the upper and lower sides of the box body (1) are provided with the connection hole and the first plug (3), respectively.