CN216215690U

CN216215690U - Junction box and distribution box

Info

Publication number: CN216215690U
Application number: CN202122642271.5U
Authority: CN
Inventors: 周峰
Original assignee: Svolt Energy Technology Wuxi Co Ltd
Current assignee: Svolt Energy Technology Wuxi Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a junction box and a distribution box, wherein the junction box comprises a box body made of an insulating material and a copper bar unit arranged in the box body; the box body is provided with an accommodating cavity with an open top, the accommodating cavity is divided into a plurality of branching cavities which are arranged side by side, and wire outlet channels which are transversely arranged at one ends of the branching cavities, the wire outlet channels are respectively communicated with the branching cavities, and the box body is provided with wire inlet holes which are in one-to-one correspondence with the branching cavities; the copper bar unit comprises a plurality of copper bars, the copper bars are arranged in the branching cavities respectively, and a plurality of branching holes are formed in each copper bar and are arranged along the length direction of the copper bars at intervals. The junction box is provided with the plurality of the junction cavities, so that cables can be distributed in a centralized manner, and the insulation safety is improved; and through all being equipped with the copper bar in each separated time intracavity, the interval sets up a plurality of separated time holes on the copper bar to in adjustment separated time circuit overflow volume and separated time circuit number, and avoid the not firm security that leads to of multi-wire cable crimping not high.

Description

Junction box and distribution box

Technical Field

The utility model relates to the technical field of alternating current power distribution, in particular to a junction box. The utility model also relates to a distribution box provided with the junction box.

Background

The alternating current distribution box generally adopts one-input multi-output branching distribution and needs branching design. At present, a multi-terminal crimping cable or a copper bar wire distribution is generally adopted for power distribution wire distribution, so that the crimping of the multi-terminal crimping cable is not firm easily. Moreover, the cables are staggered like a spider web, are disordered and disordered, and require a large space, so that not only is a high professional quality requirement provided for assembly personnel, but also the whole assembly process can be finished by continuous operation of only one worker, and a plurality of workers cannot work simultaneously or even flow operation cannot be carried out. In addition, the whole assembly operation is completed in the distribution box, the operation is inconvenient, and the safety is poor due to the fact that high-voltage strong electricity is possibly contacted.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a distribution box to realize ac centralized distribution, with high space utilization, avoid the situation of multi-cable crimping, and improve insulation safety.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a wire distribution box comprises a box body made of insulating materials and a copper bar unit arranged in the box body; wherein the content of the first and second substances,

the box body is provided with an accommodating cavity with an open top, the accommodating cavity is divided into a plurality of branching cavities which are arranged side by side, and an outlet channel which is transversely arranged at one end of each branching cavity and is respectively communicated with each branching cavity, and the box body is provided with inlet holes which are in one-to-one correspondence with each branching cavity;

the copper bar unit comprises a plurality of copper bars, the copper bars are arranged in the wire distributing cavities respectively, and a plurality of wire distributing holes are formed in each copper bar and are arranged along the length direction of the copper bar at intervals.

Furthermore, the wire inlet hole is arranged at the other end of the wire distributing cavity relative to the wire outlet channel.

Furthermore, a fixing part is arranged in at least one branching cavity;

the fixing portion is formed with a mounting hole to mount the wire harness fixing member.

Furthermore, the fixing part is a fixing rod which extends along the length direction of the branching cavity;

the mounting hole is formed between the fixing rod and the cavity wall of the branching cavity.

Furthermore, a fixed part is arranged in the wire outlet channel;

the fixing part is a fixing rod which extends along the length direction of the wire outlet channel;

and an installation hole is formed between the fixed rod and the cavity wall of the accommodating cavity so as to install the wiring harness fixing piece.

Furthermore, the bottom of the box body is provided with a mounting part for the junction box to be mounted on an external carrier.

Furthermore, the bottom of the box body is convexly provided with two mounting bulges which are arranged at intervals;

the mounting part comprises a clamping groove formed between the two mounting bulges, and the clamping groove is used for clamping a guide rail on the external carrier;

at least one of the mounting bulges is provided with a pushing piece in a sliding way, and the pushing piece can extend into the clamping groove and is abutted against the guide rail.

Furthermore, a sliding groove is formed in the opening of the box body;

a cover body is inserted in the sliding groove in a sliding mode.

Furthermore, the sliding groove extends along the length direction of the wire outlet channel.

Compared with the prior art, the utility model has the following advantages:

(1) the junction box is provided with the plurality of the junction cavities, so that cables can be distributed in a centralized manner, and the insulation safety is improved; and through all being equipped with the copper bar in each separated time intracavity, the interval sets up a plurality of separated time holes on the copper bar to in adjustment separated time circuit overflow volume and separated time circuit number, and avoid the not firm security that leads to of multi-wire cable crimping not high.

(2) Through setting up the fixed part in the separated time intracavity to the separated time cable is fixed to the ribbon.

(3) The fixing part is provided with a fixing rod with a mounting hole, and the fixing device is simple in structure and convenient to design and process.

(4) The installation part is formed at the bottom of the box body, so that the box body is installed on an external carrier quickly and is convenient to assemble and disassemble.

(5) The installation part is set to be the clamping groove and the abutting part, so that the junction box is connected with an external carrier quickly, the structure is simple, and design and processing are facilitated.

(6) The cover body is inserted into the sliding groove in a sliding mode, so that the using space required by the junction box can be reduced, and the containing cavity can be opened and closed conveniently.

Another object of the present invention is to provide a distribution box, wherein the distribution box is provided with the distribution box.

Compared with the prior art, the distribution box and the junction box have the same beneficial effects, and are not described again.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic view of an overall structure of a distribution box according to a first embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of the distribution box according to the first embodiment of the present invention;

FIG. 3 is a schematic view of the inside of the box structure according to the first embodiment of the present invention;

FIG. 4 is a schematic view of a bottom structure of the case according to the first embodiment of the present invention;

fig. 5 is a schematic view of a copper bar structure according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of the pushing member according to the first embodiment of the utility model.

Description of reference numerals:

1. a box body; 11. a branching cavity; 111. fixing the rod; 112. mounting holes; 12. copper bars; 121. a wire dividing hole; 13. a wire outlet channel; 14. a wire inlet hole; 15. mounting a boss; 16. a card slot; 17. a pushing member; 18. a chute; 19. a cover body.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

This embodiment relates to a branching box, including the box body 1 of making by insulating material to and locate the copper bar unit in the box body 1. Wherein, box body 1 has the open chamber that holds that sets up in top, holds the chamber and is separated for a plurality of separated time chambeies 11 that arrange side by side to and transversely arrange the passageway 13 of being qualified for the next round of competitions of a plurality of separated time chambeies 11 one end. The outlet channels 13 are respectively communicated with the branching cavities 11, and the box body 1 is provided with wire inlet holes 14 which are arranged corresponding to the branching cavities 11 one by one. The copper bar unit includes a plurality of copper bars 12, and a plurality of copper bars 12 set up respectively in each separated time chamber 11, and are formed with a plurality of separated time holes 121 that set up along self length direction interval on each copper bar 12.

The junction box of the embodiment is provided with the plurality of the junction cavities 11, so that cables can be distributed in a centralized manner, and the insulation safety is improved. Meanwhile, the copper bars 12 are arranged in the branching cavities 11, and the copper bars 12 are provided with the branching holes 121 at intervals, so that the flow rate and the number of the branching lines can be conveniently adjusted, and the problem that the multi-line cables are not high in safety when being simultaneously crimped is solved.

Based on the above general description, an exemplary structure of the junction box of the present embodiment is shown in fig. 1, and the box body 1 is specifically configured as a square shell structure, and a containing cavity configured following the shape is formed inside the box body 1, so as to effectively utilize the internal space of the box body 1. The shape of the box body 1 and the shape of the accommodating cavity are not limited to square, but other shapes, such as round, etc., or other irregular shapes can be adopted.

As a preferred embodiment, as shown in fig. 1 and fig. 2, the accommodating cavity is specifically divided into four distributing cavities 11, so as to set the distributing cables into four paths, so as to optimize the utilization rate of the space in the entire accommodating cavity, and different numbers of distributing cavities 11 may also be set according to the requirements. The mode of dividing the accommodating cavity into four distributing cavities 11 may adopt a partition structure, or three bumps are uniformly arranged inside the box body 1, which is not limited to this. Moreover, the length of the partition or the bump along the branch chamber 11 should not be larger than the length of the inner space of the box body 1, so as to reserve the above-mentioned outlet channel 13. If the length of the partition board or the bump is the same as the length of the inside of the box body, a hole needs to be formed in the partition board or the bump to replace the wire outlet channel 13, so that the cable is convenient to install.

Based on the state shown in fig. 2, the outlet channels 13 are disposed at the upper portion of the accommodating cavity, the wire inlet holes 14 are disposed at the lower portion of the accommodating cavity corresponding to the outlet channels 13, and four wire inlet holes 14 are disposed corresponding to the wire distributing cavities 11, so that the cables can be grouped, and the limited space in the wire distributing cavities 11 can be effectively utilized.

In this embodiment, four copper bars 12 are provided corresponding to the wire distributing cavities 11. The length of the copper bar 12 is set to be three short and one long as shown in the state of combining fig. 2 and fig. 5, but the specification is not limited to adopt only this form, and can be changed according to the use requirement. Wherein, the quantity of the separated time hole 121 that is equipped with on the copper bar 12 does not do the restriction yet, and the accessible changes the quantity adjustment separated time circuit of separated time hole 121 on the copper bar 12 and crosses the flow, avoids the not firm of multi-thread cable crimping, and the crimping security that causes is not enough.

In order to fix the multi-wire cable, a fixing portion is disposed in at least one of the wire distributing cavities 11, and a mounting hole 112 is formed on the fixing portion to mount a wire harness fixing member. The harness fixing member is embodied by a cable tie, not shown in the figure is a terminal for fixing the harness, and only one cable is shown on each copper bar 12. And in order to achieve a better fixing effect, in this embodiment, fixing portions are disposed in the four branch cavities 11. Specifically, as shown in fig. 2 and 3, the fixing portion is a fixing rod 111 extending in the longitudinal direction of the branching chamber 11, and the mounting hole 112 is preferably formed between the fixing rod 111 and the wall of the branching chamber 11. By adopting the mode, the structure is simple, the design and the processing are convenient, and of course, other forms such as a snap ring and the like can be adopted, and the limitation is not made here.

In addition, in order to prevent the multi-wire cable from falling off due to a force applied in the vertical direction, a fixing portion is disposed in the outlet channel 13, as shown in fig. 2, the fixing portion is a fixing rod 111 extending along the length direction of the outlet channel 13, and a mounting hole 112 is formed between the fixing rod 111 and the cavity wall of the accommodating cavity to mount the harness fixing member.

In this embodiment, the bottom of the box body 1 is formed with a mounting portion for mounting the distribution box on an external carrier. As a preferred embodiment, the mounting portion comprises a catch 16 formed between two mounting projections 15, which catch 16 is intended to catch in a guide rail on the outer carrier. The specific structure is shown in fig. 4, the mounting protrusions 15 are square, and are two that are correspondingly arranged up and down, and at least one of the mounting protrusions 15 is slidably provided with a pushing member 17, and the pushing member 17 can extend into the slot 16 and be pushed against the guide rail. For improving the clamping effect, two installation parts are arranged on the box body 1 and are respectively arranged at the left side and the right side of the bottom of the box body 1. Of course, the number of the installation parts can be also provided with a plurality of installation parts so as to ensure better clamping effect and ensure the stability of the junction box.

As shown in fig. 6, only the mounting protrusion 15 on the upper side of the box body 1 is provided with a pushing member 17, wherein the pushing member 17 is rectangular as a whole, and an inclined surface is formed at one end of the lower end of the pushing member 17 contacting with the external carrier so as to be pushed into the slot 16. In addition, trapezoidal inclined planes are arranged on the left side and the right side of one surface, in contact with the inside of the mounting protrusion 15, of the abutting part 17, a hemispherical protrusion is arranged on the corresponding mounting protrusion 15, and the bottom end of the abutting part 17 extends into the clamping groove 16 through relative sliding of the two. In specific implementation, the structure of the pushing member 17 may refer to the structure of the existing distribution box configuration.

In order to improve the using effect, as shown in fig. 3 and fig. 1, a sliding groove 18 is provided in the open end of the box body 1, and a cover 19 is slidably provided in the sliding groove 18. Specifically, referring to fig. 1 and 4, the sliding groove 18 extends along the length direction of the appearing channel, and the cover 19 can slide in and out along the two sides of the box body 1 through the sliding groove 18. Wherein, the cover 19 is a semi-transparent insulating plate, and the shape of the cover is square corresponding to the structure of the box 1, and the size of the cover 19 is not smaller than the size of the box 1 to ensure the insulation safety of the box 1. In this embodiment, the cover 19 is slidably disposed in the chute 18, so that the use space required for the junction box can be reduced compared to other mounting methods, and the junction box can be conveniently arranged.

The junction box of this embodiment sets up a plurality of branch line chambeies 11, realizes the concentrated distribution to alternating current distribution to make its insulating security better, and make full use of the space in the box body 1. Through set up the copper bar 12 that has a plurality of wire separating holes 121 in box body 1, make the separated time overcurrent ability adjustable, the application scene is more extensive. The bottom of the box body 1 is provided with an installation part which is clamped on an external carrier, so that the installation and the operation are convenient.

Example two

This embodiment relates to a distribution box equipped with a distribution box as described in embodiment one.

The distribution box of the embodiment optimizes the space utilization rate in the distribution box by assembling the junction box of the embodiment one, and simultaneously avoids the problem of low crimping safety caused by simultaneously crimping a wiring terminal by a multi-wire cable; and the junction box is connected with the distribution box in a clamping manner, so that the junction box and the distribution box can be conveniently and quickly installed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a branching box which characterized in that: the copper bar box comprises a box body (1) made of an insulating material and a copper bar unit arranged in the box body (1); wherein the content of the first and second substances,

the box body (1) is provided with an accommodating cavity with an open top, the accommodating cavity is divided into a plurality of branching cavities (11) which are arranged side by side, and an outlet channel (13) is transversely arranged at one end of each branching cavity (11), the outlet channel (13) is respectively communicated with each branching cavity (11), and the box body (1) is provided with wire inlet holes (14) which are arranged in one-to-one correspondence with each branching cavity (11);

the copper bar unit comprises a plurality of copper bars (12), the copper bars (12) are arranged in the wire distributing cavities (11) respectively, and a plurality of wire distributing holes (121) are formed in the copper bars (12) at intervals along the length direction of the copper bars.

2. The distribution box of claim 1, wherein:

the wire inlet hole (14) is arranged at the other end of the wire distributing cavity (11) relative to the wire outlet channel (13).

3. The distribution box of claim 1, wherein:

a fixing part is arranged in at least one branching cavity (11);

the fixing portion is formed with a mounting hole (112) for mounting a wire harness fixing member.

4. The distribution box of claim 3, wherein:

the fixing part is a fixing rod (111) extending along the length direction of the branching cavity (11);

the mounting hole (112) is formed between the fixing rod (111) and the wall of the branching cavity (11).

5. The distribution box of claim 1, wherein:

a fixed part is arranged in the wire outlet channel (13);

the fixing part is a fixing rod (111) which extends along the length direction of the wire outlet channel (13);

and a mounting hole (112) is formed between the fixing rod (111) and the wall of the accommodating cavity so as to mount a wiring harness fixing piece.

6. The distribution box of claim 1, wherein:

the bottom of the box body (1) is provided with a mounting part for the junction box to be mounted on an external carrier.

7. The distribution box of claim 6, wherein:

the bottom of the box body (1) is convexly provided with two mounting bulges (15) which are arranged at intervals;

the mounting part comprises a clamping groove (16) formed between the two mounting protrusions (15), and the clamping groove (16) is used for clamping a guide rail on the external carrier;

at least one of the mounting bulges (15) is provided with a pushing piece (17) in a sliding way, and the pushing piece (17) can extend into the clamping groove (16) and is pushed against the guide rail.

8. The distribution box of any one of claims 1 to 7, wherein:

a sliding groove (18) is arranged at the opening of the box body (1);

a cover body (19) is inserted in the sliding groove (18) in a sliding mode.

9. The distribution box of claim 8, wherein:

the sliding groove (18) extends along the length direction of the wire outlet channel (13).

10. An electrical distribution box, characterized in that the distribution box of any one of claims 1 to 9 is provided therein.