CN220234111U

CN220234111U - Junction box

Info

Publication number: CN220234111U
Application number: CN202321622749.0U
Authority: CN
Inventors: 李美娜; 于海洋
Original assignee: Sungrow Shanghai Co Ltd
Current assignee: Sungrow Shanghai Co Ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-22
Anticipated expiration: 2033-06-25

Abstract

The utility model provides a junction box. The junction box includes: the box body is used for defining a wiring cavity and an opening communicated with the wiring cavity; the wire harness installation component is arranged at the opening and is connected with the box body; the cover body is covered on one side of the wiring harness installation component, which is far away from the wiring cavity, and is provided with an avoidance through hole; wherein, be equipped with on the pencil installation component with the operation through-hole of wiring chamber intercommunication and be used for supplying the pencil to pass and with the installation through-hole of wiring chamber intercommunication, the installation through-hole corresponds the setting with dodging the through-hole. The technical scheme of the utility model solves the problems that the junction box in the prior art is inconvenient to operate the wiring or the end cover is not firmly installed.

Description

Junction box

Technical Field

The utility model relates to the technical field of power wiring, in particular to a junction box.

Background

The whole equipment has a plurality of terminals to be externally connected, and the problem of wire harness redundancy exists.

In the prior art, the end cover is arranged on the junction box body for sealing, and the wire harness inside the junction box body directly passes through the avoiding structure arranged on the end cover and is connected with the external wire. The wiring and end cover mounting operation of the junction box body in the prior art can interfere with each other, so that the problem of inconvenient wiring or infirm end cover mounting is caused.

Disclosure of Invention

The utility model mainly aims to provide a junction box to solve the problems that the junction box in the prior art is inconvenient to operate the wiring or the end cover is not firmly installed.

In order to achieve the above object, the present utility model provides a junction box comprising: the box body is used for defining a wiring cavity and an opening communicated with the wiring cavity; the wire harness installation component is arranged at the opening and is connected with the box body; the cover body is covered on one side of the wiring harness installation component, which is far away from the wiring cavity, and is provided with an avoidance through hole; wherein, be equipped with on the pencil installation component with the operation through-hole of wiring chamber intercommunication and be used for supplying the pencil to pass and with the installation through-hole of wiring chamber intercommunication, the installation through-hole corresponds the setting with dodging the through-hole.

Further, the wire harness mounting member is in sealing connection with the case, and the cover is in sealing engagement with the wire harness mounting member.

Further, a first mounting groove is formed in one side of the box body, facing the wire harness mounting member, the first mounting groove is located in the periphery of the opening, and the junction box further comprises a first sealing piece arranged in the first mounting groove.

Further, a second mounting groove is provided on a side of the wire harness mounting member facing the cover body, the second mounting groove being located at an outer periphery of the operation through hole, and the junction box further includes a second seal provided in the second mounting groove.

Further, the junction box further comprises a positioning piece and a positioning hole matched with the positioning piece, one of the wire harness installation component and the box body is provided with the positioning piece, and the other one of the wire harness installation component and the box body is provided with the positioning hole.

Further, the locating piece is a locating column, and the locating hole is a long hole or an elliptical hole.

Further, the locating piece sets up on the box body, is equipped with first mounting hole on the locating piece, is equipped with the second mounting hole that corresponds with the locating piece on the lid, and the terminal box still includes first connecting piece, and first connecting piece passes behind the second mounting hole and is connected with first mounting hole.

Further, the junction box further comprises a first blocking member for blocking the mounting through hole, and the first blocking member is in sealing connection with the mounting through hole.

Further, an assembly through hole communicated with the wiring cavity is formed in the side wall of the box body, and the junction box further comprises a second blocking member for blocking the assembly through hole, so that the assembly through hole is in sealing connection with the second blocking member.

Further, the junction box further comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are arranged on one side, away from the box body, of the cover body at intervals; or, the box body is equipped with first pilot hole towards one side of pencil installation component, is equipped with the second pilot hole that corresponds the setting with first pilot hole on the pencil installation component, and the terminal box still includes the second connecting piece, and the one end of second connecting piece is located the second pilot hole, and the other end and the first pilot hole cooperation of second connecting piece.

By applying the technical scheme of the utility model, on one hand, a wiring cavity is arranged between the wiring port (opening) and the internal space of the wiring box, so that the internal space of the wiring box is sealed; the wiring leads to the movement which affects the mounting through hole on the wiring harness mounting component, and the wiring harness can not affect the structure part of the wiring harness penetrating through the inside of the box body, so that the sealing stability can be improved; on the other hand, through the wiring chamber and the pencil installation component that additionally set up to set up the installation through-hole that is used for supplying the pencil to pass on the pencil installation component, can accomodate the pencil, avoid the pencil to be redundant, and through being equipped with the operation through-hole on the pencil installation component, like this, can install the pencil installation component to the box body earlier, then the wiring personnel can pass the pencil through the installation through-hole through the operation through-hole and carry out wiring operation at the wiring intracavity of additionally setting, thereby avoid taking place to tear the problem of moving the end cover, and can make the end cover stably install, and then be convenient for the wiring personnel to carry out wiring operation, consequently, the terminal box of this embodiment can solve the inconvenient or the not firm problem of end cover installation of operation wiring/threading through cooperation with the operation through-hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of the junction box of the present utility model;

FIG. 2 is a schematic view showing the structure of the junction box of FIG. 1 with the cover removed;

FIG. 3 is a schematic view showing the structure of the junction box of FIG. 2 with the first blocking member removed;

FIG. 4 shows an enlarged view of a portion of the junction box of FIG. 3; and

fig. 5 is a schematic view showing a structure of the junction box of fig. 3 after removing the harness mounting member.

Wherein the above figures include the following reference numerals:

10. a case body; 11. a wiring cavity; 13. a first mounting groove; 15. a first fitting hole; 16. a second mounting groove; 20. a harness mounting member; 21. an operation through hole; 22. mounting through holes; 25. a positioning piece; 26. positioning holes; 28. a second fitting hole; 30. a cover body; 31. a second mounting hole; 50. a first blocking member; 51. reinforcing ribs; 52. a second occluding component.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It should be noted that, the junction box of the embodiment of the utility model is mainly used for an energy storage system integrated machine, and because the volume of the energy storage system integrated machine is larger and the number of external terminals is more, the volume of the end cover of the junction box is larger, if the end cover is torn in the wiring process, the wiring operation is more inconvenient.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a junction box. The junction box includes a box body 10, a harness mounting member 20, and a cover body 30. Wherein the box body 10 defines a wiring cavity 11 and an opening communicating with the wiring cavity 11; the wire harness installation member 20 is arranged at the opening, and the wire harness installation member 20 is connected with the box body 10; the cover body 30 is covered on one side of the wire harness installation member 20, which is far away from the wiring cavity 11, and the cover body 30 is provided with a avoidance through hole; wherein, be equipped with on the pencil mounting member 20 with the operation through-hole 21 of wiring chamber 11 intercommunication and be used for supplying the pencil to pass and with the installation through-hole 22 of wiring chamber 11 intercommunication, installation through-hole 22 and dodge the through-hole and correspond the setting.

In the above technical solution, on one hand, a wiring cavity 11 is provided between the wiring port (opening) and the internal space of the wiring box, so as to help seal the internal space of the wiring box; the installation through holes 22 on the wiring harness installation member 20 are affected by the activity caused by wiring, and the wiring harness can not pass through the structure part in the box body, so that the sealing stability can be improved; on the other hand, through the wiring chamber 11 that additionally sets up and set up pencil installation component 20 to set up the installation through-hole 22 that is used for supplying the pencil to pass on the pencil installation component 20, can accomodate the pencil, avoid the pencil to be redundant, and through being equipped with operation through-hole 21 on the pencil installation component 20, like this, can install pencil installation component 20 to the box body 10 earlier, then the wiring personnel can pass the pencil through the installation through-hole 22 through operation through-hole 21 and carry out wiring operation in the wiring chamber 11 that additionally sets up, thereby avoid taking place the problem of tearing the end cover, and can make the end cover stably install, and then be convenient for the wiring personnel carry out wiring operation, consequently, the terminal box of this embodiment can solve operation wiring/threading inconvenience or the not firm problem of end cover installation through cooperation with operation through-hole 21 and wiring chamber 11.

Specifically, in the embodiment of the present utility model, the escape through hole on the cover 30 may be used to escape the wire harness that is passed out of the mounting through hole 22, so that the wire harness can pass out of the junction box.

Specifically, in the embodiment of the present utility model, the harness mounting member 20 is sealingly connected with the case 10, and the cover 30 is sealingly engaged with the harness mounting member 20.

In the above technical scheme, through the double-deck sealed mode, can play better waterproof dustproof effect to can play the guard action to the electrical components (fuse or other overload protection device) in the junction line chamber 11.

Preferably, in the embodiment of the present utility model, the junction box further includes a wire pipe disposed in the mounting through hole 22, the wire harness passes through the wire pipe, and a gap between the wire pipe and the wire harness is provided with a sealant to secure sealability of the junction box, and the wire pipe is also conveniently mounted and dismounted by providing the wire harness mounting member 20.

As shown in fig. 5, in the embodiment of the present utility model, a side of the case body 10 facing the wire harness mounting member 20 is provided with a first mounting groove 13, the first mounting groove 13 being located at the outer periphery of the opening, and the junction box further includes a first seal provided in the first mounting groove 13.

With the above arrangement, after the wire harness mounting member 20 is mounted to the case 10, the wire harness mounting member 20 can press the first seal in the first mounting groove 13 to achieve a sealed connection between the wire harness mounting member 20 and the case 10 in the circumferential direction of the opening, thereby preventing moisture and dust from entering the wiring cavity 11 between the wire harness mounting member 20 and the case 10 to protect the electrical components in the wiring cavity 11.

Preferably, in an embodiment of the present utility model, the first seal is a sealing ring.

In one embodiment, a sealant or bead of sealant may be provided between the wire harness mounting member 20 and the box 10 to effect a seal between the wire harness mounting member 20 and the box 10.

As shown in fig. 3 and 4, in the embodiment of the present utility model, the side of the harness mounting member 20 facing the cover 30 is provided with the second mounting groove 16, the second mounting groove 16 is located at the outer periphery of the operation through hole 21, and the junction box further includes the second seal provided in the second mounting groove 16.

With the above arrangement, when the cover 30 is mounted to the case 10, the cover 30 can press the second seal in the second mounting groove 16 to seal between the harness mounting member 20 and the cover 30 in the circumferential direction of the operation through hole 21, thereby preventing moisture and dust from entering the wiring cavity 11 between the harness mounting member 20 and the cover 30 to protect the electrical components in the wiring cavity 11.

Preferably, in an embodiment of the present utility model, the second seal is a sealing ring.

In one embodiment, a sealant may be disposed between the wire harness mounting member 20 and the cover 30 to achieve a seal between the wire harness mounting member 20 and the cover 30.

Preferably, in the embodiment of the present utility model, the shape of the operation through hole 21 is L-shaped, and the L-shaped operation through hole 21 is disposed around the installation through hole 22, so that an operation space can be provided for a wiring person as much as possible, and the wiring person can perform the wiring operation conveniently.

In one embodiment, the shape of the operation through hole 21 may be rectangular or circular as long as an operation space can be provided for a wiring person.

As shown in fig. 2 and 5, in the embodiment of the present utility model, a first assembly hole 15 is formed on a side of the box body 10 facing the wire harness installation member 20, a second assembly hole 28 corresponding to the first assembly hole 15 is formed on the wire harness installation member 20, the junction box further includes a second connecting piece, one end of the second connecting piece is located in the second assembly hole 28, and the other end of the second connecting piece is matched with the first assembly hole 15.

Through the above arrangement, the harness installation member 20 can be installed on the box body 10, the stability of the harness installation member 20 is ensured, and one end of the second connecting piece is located in the second assembly hole 28, so that the cover body 30 can be avoided, and the cover body 30 is prevented from interfering with the second connecting piece.

Preferably, in the embodiment of the present utility model, the second connecting member is a screw, and the first fitting hole 15 is a screw hole, and the screw is screwed with the screw hole.

Preferably, in an embodiment of the present utility model, the second mounting hole 28 is a counterbore in which the end cap of the screw is located.

As shown in fig. 4 and 5, in the embodiment of the present utility model, the junction box further includes a positioning piece 25 and a positioning hole 26 that cooperates with the positioning piece 25, one of the harness mounting member 20 and the box body 10 is provided with the positioning piece 25, and the other of the harness mounting member 20 and the box body 10 is provided with the positioning hole 26.

With the above arrangement, the relative position between the wire harness mounting member 20 and the box body 10 can be determined by the positioning piece 25 and the positioning hole 26 before connecting the wire harness mounting member 20 and the box body 10, so that the first fitting hole 15 and the second fitting hole 28 can be aligned, and the second connector can be conveniently mounted by a wiring person to connect the wire harness mounting member 20 and the box body 10.

In the embodiment of the present utility model, as shown in fig. 4, the positioning member 25 is a positioning post, and the positioning hole 26 is a long hole or an oval hole.

In the above technical solution, the positioning hole 26 is provided as a long hole or an elliptical hole, so that the positioning column can move in the long hole or the elliptical hole, thereby facilitating the processing and the installation of the wire harness installation member 20 onto the box body 10.

As shown in fig. 1 and 4, in the embodiment of the present utility model, the positioning member 25 is disposed on the box body 10, a first mounting hole is disposed on the positioning member 25, a second mounting hole 31 corresponding to the positioning member 25 is disposed on the cover body 30, and the junction box further includes a first connecting member, where the first connecting member passes through the second mounting hole 31 and then is connected with the first mounting hole.

Through the above arrangement, the cover 30 can be mounted to the case 10, and additional punching on the harness mounting member 20 can be avoided, thereby facilitating processing.

As shown in fig. 1, in the embodiment of the present utility model, the junction box further includes a first blocking member 50 for blocking the mounting through hole 22, and the first blocking member 50 is sealingly connected with the mounting through hole 22.

Through the above arrangement, before the junction box leaves the factory, the first blocking member 50 can be used to block the mounting through hole 22, so as to prevent water vapor and dust from entering the junction cavity 11, and ensure the drying and cleaning of the junction cavity 11.

Specifically, in the embodiment of the present utility model, the outer circumference of the first blocking member 50 is provided with threads to connect the first blocking member 50 with the installation through hole 22; further, the first blocking member 50 includes a first shaft section and a second shaft section having sequentially increasing outer diameters, a stepped surface is provided between the first shaft section and the second shaft section, and a sealing ring is provided between the stepped surface and the harness installation member 20.

Preferably, in an embodiment of the present utility model, the first occluding component 50 is a cap.

As shown in fig. 5, in the embodiment of the present utility model, the side wall of the case body 10 is provided with an assembly through hole communicating with the wiring cavity 11, and the wiring case further includes a second blocking member 52 for blocking the assembly through hole so that the assembly through hole is hermetically connected with the second blocking member 52.

Through the arrangement, the wire harness can enter the wiring cavity 11 from the installation through hole on the end face of the box body 10, and can enter the wiring cavity 11 from the side face of the box body 10, so that the wire harness installation in different installation directions can be met, and when the wire harness does not need to be led in from the side face of the box body 10, the second blocking member 52 can be used for sealing the assembly through hole, so that water vapor and dust can be prevented from entering the wiring cavity 11.

Preferably, in an embodiment of the present utility model, the second closure member 52 is a cap.

As shown in fig. 1, in the embodiment of the present utility model, the junction box further includes a plurality of reinforcing ribs 51, and the plurality of reinforcing ribs 51 are disposed at intervals on a side of the cover 30 facing away from the box body 10.

By the above arrangement, the strength of the cover 30 can be increased to prevent the cover 30 from being deformed, so that the influence on the sealability between the cover 30 and the harness installation member 20 due to the deformation of the cover 30 can be avoided.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: on the one hand, a wiring cavity is arranged between the wiring port (opening) and the internal space of the wiring box, so that the internal space of the wiring box is sealed; the wiring leads to the movement which affects the mounting through hole on the wiring harness mounting component, and the wiring harness can not affect the structure part of the wiring harness penetrating through the inside of the box body, so that the sealing stability can be improved; on the other hand, through setting up pencil installation component to set up the installation through-hole that is used for supplying the pencil to pass on the pencil installation component, can accomodate the pencil, avoid the pencil to be redundant, and through being equipped with the operation through-hole on the pencil installation component, like this, can install the pencil installation component to the box body earlier, then the wiring personnel can pass the pencil through the installation through-hole through the operation through-hole and carry out wiring operation at the wiring intracavity of extra setting, thereby avoid taking place to tear the problem of end cover, and can make the end cover stably install, and then be convenient for the wiring personnel to carry out wiring operation, consequently, the terminal box of this embodiment can solve the inconvenient or the not firm problem of end cover installation of operation wiring/threading through cooperation with the wiring chamber.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A junction box, comprising:

a box body (10) defining a wiring cavity (11) and an opening communicating with the wiring cavity (11);

a harness installation member (20) provided at the opening, the harness installation member (20) being connected to the case (10);

the cover body (30) is covered on one side of the wiring harness installation component (20) which is far away from the wiring cavity (11), and the cover body (30) is provided with an avoidance through hole;

the wire harness installation component (20) is provided with an operation through hole (21) communicated with the wiring cavity (11) and an installation through hole (22) used for a wire harness to pass through and communicated with the wiring cavity (11), and the installation through hole (22) is correspondingly arranged with the avoidance through hole.

2. The junction box according to claim 1, characterized in that the harness mounting member (20) is sealingly connected with the box body (10), and the cover body (30) is sealingly fitted with the harness mounting member (20).

3. The junction box according to claim 2, characterized in that a side of the box body (10) facing the harness mounting member (20) is provided with a first mounting groove (13), the first mounting groove (13) being located at the periphery of the opening, the junction box further comprising a first seal provided in the first mounting groove (13).

4. The junction box according to claim 2, characterized in that a side of the harness mounting member (20) facing the cover body (30) is provided with a second mounting groove (16), the second mounting groove (16) being located at an outer periphery of the operation through hole (21), the junction box further comprising a second seal provided in the second mounting groove (16).

5. The junction box according to any one of claims 1 to 4, further comprising a positioning piece (25) and a positioning hole (26) that cooperates with the positioning piece (25), wherein the positioning piece (25) is provided on one of the harness mounting member (20) and the box body (10), and the positioning hole (26) is provided on the other of the harness mounting member (20) and the box body (10).

6. Junction box according to claim 5, characterized in that the positioning element (25) is a positioning post and the positioning hole (26) is a slot or an oval hole.

7. The junction box according to claim 5, wherein the positioning member (25) is disposed on the box body (10), a first mounting hole is disposed on the positioning member (25), a second mounting hole (31) corresponding to the positioning member (25) is disposed on the cover body (30), and the junction box further comprises a first connecting member, and the first connecting member passes through the second mounting hole (31) and then is connected with the first mounting hole.

8. Junction box according to any of claims 1 to 4, characterized in that it further comprises a first blocking member (50) for blocking the mounting through hole (22), the first blocking member (50) being in sealing connection with the mounting through hole (22).

9. Junction box according to any of claims 1 to 4, characterized in that the side wall of the box body (10) is provided with an assembly through hole communicating with the junction cavity (11), the junction box further comprising a second blocking member (52) for blocking the assembly through hole, so that the assembly through hole is in sealing connection with the second blocking member (52).

10. Junction box according to any of claims 1 to 4, characterized in that it further comprises a plurality of reinforcing ribs (51), a plurality of said reinforcing ribs (51) being arranged at intervals on the side of the cover (30) facing away from the box body (10); or,

the wire harness mounting structure comprises a wire harness mounting component (20), and is characterized in that a first assembly hole (15) is formed in one side of the box body (10) facing the wire harness mounting component (20), a second assembly hole (28) corresponding to the first assembly hole (15) is formed in the wire harness mounting component (20), the junction box further comprises a second connecting piece, one end of the second connecting piece is located in the second assembly hole (28), and the other end of the second connecting piece is matched with the first assembly hole (15).