CN215772409U

CN215772409U - Novel junction box

Info

Publication number: CN215772409U
Application number: CN202121642069.6U
Authority: CN
Inventors: 高志伟
Original assignee: Suzhou Lego Motors Co ltd
Current assignee: Suzhou Lego Motors Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-02-08
Anticipated expiration: 2031-07-19

Abstract

The utility model provides a novel junction box, which is connected with an external cable in an assembly state and comprises a junction box base and an electric connector, wherein the junction box base forms a cavity in the interior and is provided with an opening and a wire passing opening for communicating the outside with the cavity; the outer surface of the junction box base is provided with a mounting base used for being mounted and connected with the outside, the mounting base extends towards the outside, outer edges are formed on two sides of the junction box base, and mounting holes are formed in the outer edges. The junction box is convenient to operate, convenient and fast to install and good in reliability.

Description

Novel junction box

Technical Field

The utility model relates to the electrical field, in particular to a junction box.

Background

The junction box is widely applied to the electrical field as basic electrical equipment, and particularly in the wind power industry, the wind power equipment requires the particularity of high-altitude operation of operators, so that high requirements are provided for the operation convenience of the junction box.

In the prior art, the terminal box is provided with a bolt for fixedly mounting the terminal box base inside a cavity of the terminal box base, in this case, due to an operation angle, an operator cannot easily lock the bolt by means of a tool for automatically locking the bolt, the bolt must be manually locked, and the locking process is quite laborious.

Meanwhile, in this situation, after the lead and the electric connector are installed on the junction box, the lead and the electric connector can shield the position of the bolt, and the operation of locking the bolt can not be performed any more, so that an operator must firstly lock the bolt to fixedly install the junction box base and then install the lead and the electric connector, however, in some scenes, after the junction box base is fixedly installed, the difficulty of performing other operations due to position reasons can be greatly improved, and inconvenience is brought to the operator.

In view of the above problems, it is desirable to provide a junction box with convenient operation and installation.

Disclosure of Invention

In order to solve the problems, the utility model provides a novel junction box which is convenient to operate, convenient and quick to install and good in reliability.

In order to achieve the purpose, the utility model adopts the technical scheme that: a novel junction box is connected with an external cable in an assembly state and comprises a junction box base and an electric connector, wherein a cavity is formed in the junction box base, an opening and a wire passing opening are formed in the junction box base and used for communicating the outside with the cavity, the electric connector is installed at the opening, and the external cable enters the cavity through the wire passing opening in the assembly state and is connected to the electric connector; the innovation lies in that: the outer surface of the junction box base is provided with a mounting base used for being mounted and connected with the outside, the mounting base extends towards the outside, outer edges are formed on two sides of the junction box base, and mounting holes are formed in the outer edges.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, the mounting seat protrudes from the outer surface of the terminal box seat. Further, the mounting seat is arranged on the lower end face of the junction box seat, and the mounting area of the mounting seat is 40% -60% of the area of the lower end face.

2. In the above scheme, the external cable includes a host power cable and a control cable; the cavity formed in the junction box base comprises a first cavity and a second cavity, wherein the first cavity is used for accommodating the main engine power cable, and the second cavity is used for accommodating the control cable; the second cavity is narrower than the first cavity.

3. In the above scheme, the external cable includes a host power cable and a control cable, the wire passing opening includes a first wire passing opening and a second wire passing opening, wherein the first wire passing hole is used for passing through the host power cable, and the second wire passing hole is used for passing through the control cable.

Furthermore, the wire passing port is formed in the mounting seat, a first wire clamp and a second wire clamp are arranged on one side of the cavity of the mounting seat, the first wire clamp is used for fixing the power cable of the host, and the first wire clamp is used for fixing the control cable. Still further, the first wire clamp is provided with a wire clamp fixing seat, and two continuous concave shapes are formed on the wire clamp fixing seat and used for simultaneously accommodating and arranging two strands of the main engine power cable. Furthermore, the edge of the first wire clamp is wrapped with temperature-resistant rubber.

4. In the scheme, the electric connector is in a Han16B or HPR16B type. Furthermore, the model is HPR16B the electric connector has a prominent earth bolt position, the terminal box seat is in the assembly position that the earth bolt position corresponds is formed with a bellied boss of dodging from inside to outside, dodge the boss and be used for dodging the earth bolt position.

The utility model has the beneficial effects that: according to the novel junction box, the mounting hole is formed in the outer edge of the outer portion of the junction box, on one hand, an operator can lock the bolt on the outer portion of the junction box, so that a tool for automatically locking the bolt can be used in a sufficient space, operation is convenient, on the other hand, the operator can lock the bolt after installing the lead and the electric connector, the situation that operation is difficult due to position reasons after installing a junction box base is avoided, convenience is provided in the process, and meanwhile, the mounting hole and the matched bolt are formed in the outer portion of the junction box, and the storage space in the junction box can be increased; in addition, this novel terminal box uses two fastener to fix respectively with host power cable and control cable to make the two separation, avoided the interference of each other of the two, improved the reliability under the long-time work.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a front view of a first embodiment of the present invention;

FIG. 3 is a top view of a first embodiment of the present invention;

fig. 4 is a perspective view of a terminal block holder according to a first embodiment of the present invention;

fig. 5 is a front view of a terminal block base according to a first embodiment of the present invention;

fig. 6 is a partial cross-sectional top view of a terminal block base in accordance with a first embodiment of the present invention;

FIG. 7 is a perspective view of a mounting base according to a first embodiment of the present invention;

FIG. 8 is a top view of a mounting base according to a first embodiment of the present invention;

fig. 9 is a perspective view of a second embodiment of the present invention.

In the above drawings: 1. a terminal box base; 11. opening the mouth; 12. a first wire passing port; 13. a second wire passing port; 14. a first cavity; 15. a second cavity; 16. avoiding the boss; 2. an electrical connector; 21. a power line ferrule; 22. a control wire ferrule; 3. a mounting seat; 31. an outer edge; 32. mounting holes; 33. a first wire clamp; 34. a second wire clamp; 35. a wire clamp fixing seat; 36. temperature resistant rubber; 4. a host power cable; 5. a control cable.

Detailed Description

The utility model is further described with reference to the following figures and examples:

the first embodiment is as follows:

as shown in fig. 1 to 8, the novel junction box is connected with an external cable in an assembled state, and comprises a junction box base 1 and an electric connector 2 with the model number of Han16B, wherein the junction box base 1 forms a cavity inside and is provided with an opening 11 and a wire passing port for communicating the outside with the cavity; the electric connector 2 is arranged at the opening 11, the electric connector 2 is provided with a plug core, one end of the plug core connected with an external cable is positioned in the cavity, and one end used for wiring is positioned outside the cavity; in the assembled state, the external cable enters the cavity through the wire passage port and is connected to the ferrule of the electrical connector 2.

An installation seat 3 used for external installation and connection is formed on the outer surface of the terminal box seat 1, the installation seat 3 extends outwards, outer edges 31 are formed on two sides of the terminal box seat 1, and installation holes 32 are formed in the outer edges 31; namely, the terminal block base 1 is provided with mounting holes 32 on both sides thereof, so that the terminal block base 1 can be well fixed, and the mounting holes 32 are used for matching with parts such as screws or bolts for mounting and fixing, and the bolts are selected in the embodiment.

From this, this novel terminal box is through establishing mounting hole 32 on the outside outer edge 31 of terminal box, on the one hand make operating personnel can be at the outside locking bolt of terminal box, thereby there is the instrument of the automatic locking bolt of sufficient space use, the operation is convenient, on the other hand makes operating personnel can install behind lead wire and electric connector 2, the operation of locking bolt again, avoided after the installation terminal box seat 1 because the condition that the position reason (for example under some circumstances terminal box seat 1 need install eminence or narrow department) is difficult to operate, it is convenient in the technology to provide, mounting hole 32 and the bolt that matches are established outside the terminal box simultaneously, also can increase the inside storage space of terminal box.

The mounting seat 3 is arranged on the lower end face of the terminal box base 1 and integrally protrudes out of the lower end face, and the mounting area of the mounting seat 3 is half of the area of the lower end face; the installation area refers to the contact area between the installation seat 3 and an object when the junction box seat 1 is fixedly installed on the object through the installation seat 3; the design has the advantages that in order to stably mount the junction box, a shallow groove matched with the mounting surface is usually processed on the mounting position of the junction box, so that the junction box is just embedded into the shallow groove, and the mounting area can be greatly reduced through the design of the convex mounting seat 3, so that the processing area is reduced, and the processing cost is reduced; the mounting area is not smaller and better, the mounting is unstable when the mounting area is too small, and the mounting area is 40-60% of the area of the lower end face in comprehensive consideration, so that a good effect can be achieved.

In this embodiment, the opening 11 is formed in the upper end surface of the terminal box base 1, and the wire passing opening is formed in the lower end surface of the terminal box base 1, specifically, on the mounting base 3; the bending of the cable can be reduced by the arrangement, and wiring is facilitated.

In this embodiment, the external cable includes a host power cable 4 and a control cable 5, the ferrule is also divided into a power line ferrule 21 and a control line ferrule 22, the host power cable 4 is connected to the power line ferrule 21, and the control cable 5 is connected to the control line ferrule 22; the wire passing ports correspondingly comprise a first wire passing port 12 and a second wire passing port 13, wherein the first wire passing hole is used for passing through the main engine power cable 4, and the second wire passing hole is used for passing through the control cable 5; the first wire passing port 12 and the second wire passing port 13 are both arranged on the mounting seat 3, and a first wire clamp 33 and a second wire clamp 34 are arranged on one side of the cavity of the mounting seat 3, wherein the first wire clamp 33 is used for fixing the main engine power cable 4, and the first wire clamp 33 is used for fixing the control cable 5; therefore, the main machine power cable 4 and the control cable 5 are respectively threaded and respectively fixed, so that the main machine power cable and the control cable are separated, mutual interference between the main machine power cable and the control cable is avoided, and the control precision is improved; in addition, in order to further avoid interference, a shielding tube made of a mesh-shaped tinned copper wire is sleeved on the outer surface of the control cable 5 in the embodiment.

In addition, the main engine power cable 4 is thicker than the main engine power cable 4 in the main engine power cable 4 and the control cable 5, so the first wire clamp 33 corresponding to the main engine power cable 4 is also larger, and the first wire clamp 33 is provided with a wire clamp fixing seat 35 for fixing; since the host power cable 4 is generally provided with two strands, as shown in fig. 8, the clip fixing seat 35 is formed with two continuous concave shapes for simultaneously receiving and arranging the two strands of the host power cable 4.

In addition, the edge of the first wire clamp 33 is wrapped by temperature-resistant rubber 36, so that the insulating property is ensured, and the reliability of the equipment is improved.

In this embodiment, a cavity formed inside the terminal box base 1 is divided into a first cavity 14 and a second cavity 15, where the first cavity 14 is used for accommodating the host power cable 4, and the second cavity 15 is used for accommodating the control cable 5; since the control cable 5 requires less housing space, the second cavity 15 is narrower than the first cavity 14; the host power cable 4 is connected to the electrical connector 2 via a first cavity 14, while the control cable 5 is connected to the electrical connector 2 via a second cavity 15.

In addition, the electrical connector 2 with the model number of HPR16B has a protruding ground bolt position, the terminal block base 1 is formed with an avoidance boss 16 protruding from the inside to the outside at the assembling position corresponding to the ground bolt position, and the avoidance boss 16 is used for avoiding the ground bolt position; in the present embodiment, although the type of the electrical connector 2 used is Han16B instead of HPR16B, the above feature is still provided, so that the terminal block 1 in the present embodiment can be provided as a common component, and the types of components can be reduced for easy management.

Example two:

as shown in fig. 9, the second embodiment is different from the first embodiment in that the electrical connector 2 is used in the model number HPR 16B.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A novel junction box is connected with an external cable in an assembly state and comprises a junction box base (1) and an electric connector (2), wherein the junction box base (1) forms a cavity inside and is provided with an opening (11) and a line passing port which are used for communicating the outside with the cavity, the electric connector (2) is installed at the opening (11), and the external cable enters the cavity through the line passing port in the assembly state and is connected onto the electric connector (2); the method is characterized in that: the junction box comprises a junction box base (1), and is characterized in that a mounting base (3) used for being mounted and connected externally is formed on the outer surface of the junction box base (1), the mounting base (3) extends outwards, outer edges (31) are formed on two sides of the junction box base (1), and mounting holes (32) are formed in the outer edges (31).

2. The novel junction box of claim 1, wherein: the mounting seat (3) protrudes out of the outer surface of the junction box seat (1).

3. The novel junction box of claim 2, wherein: the mounting seat (3) is arranged on the lower end face of the junction box base (1), and the mounting area of the mounting seat (3) is 40% -60% of the area of the lower end face.

4. The novel junction box of claim 1, wherein: the external cables comprise a main engine power cable (4) and a control cable (5); the wiring box base (1) is internally provided with cavities comprising a first cavity (14) and a second cavity (15), wherein the first cavity (14) is used for accommodating the main engine power cable (4), and the second cavity (15) is used for accommodating the control cable (5); the second cavity (15) is narrower than the first cavity (14).

5. The novel junction box of claim 1, wherein: the external cable comprises a main engine power cable (4) and a control cable (5), the wire passing port comprises a first wire passing port (12) and a second wire passing port (13), the first wire passing hole is used for allowing the main engine power cable (4) to pass through, and the second wire passing hole is used for allowing the control cable (5) to pass through.

6. The novel junction box of claim 5, wherein: the wire passing port is formed in the mounting seat (3), the mounting seat (3) is provided with a first wire clamp (33) and a second wire clamp (34) on one side of the cavity, the first wire clamp (33) is used for fixing the main engine power cable (4), and the first wire clamp (33) is used for fixing the control cable (5).

7. The novel junction box of claim 6, wherein: the first wire clamp (33) is provided with a wire clamp fixing seat (35), and two continuous concave shapes are formed on the wire clamp fixing seat (35) and used for simultaneously accommodating and arranging two strands of the main power cable (4).

8. The novel junction box of claim 6, wherein: the edge of the first wire clamp (33) is wrapped with temperature-resistant rubber (36).

9. The novel junction box of claim 1, wherein: the electric connector (2) is in a model of Han16B or HPR 16B.

10. The novel junction box of claim 9, wherein: the type is HPR16B electric connector (2) have a outstanding earth bolt position, terminal box seat (1) is in the assembly position that the earth bolt position corresponds is formed with one from inside to outside bellied dodging boss (16), dodge boss (16) are used for dodging the earth bolt position.