CN216929503U

CN216929503U - Terminal box

Info

Publication number: CN216929503U
Application number: CN202122944552.6U
Authority: CN
Inventors: 焦宁; 宋艳红; 甘蒙
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-08
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of electric power engineering, and provides a junction box, which comprises: the base is provided with a first end and a second end which are opposite, a strip-shaped wiring groove is formed in the base, the wiring groove extends from the first end to the second end, and the wiring groove is used for accommodating wiring; the pressing plate is arranged on the base; and the wire abutting assembly comprises a screw rod and an abutting plate, the screw rod is arranged in the pressing plate in a penetrating mode and is in threaded connection with the pressing plate, the abutting plate is arranged between the wiring groove and the pressing plate and is connected with one end, close to the wiring groove, of the screw rod, and the abutting plate can move to the wiring groove in the direction close to the wiring groove by rotating the screw rod so as to compress the wiring in the wiring groove. The junction box solves the problems that in the use process of the junction box in the prior art, workers are very inconvenient to connect and fix external wires and external connecting wires of a thermotechnical instrument, and time and labor are wasted.

Description

Terminal box

Technical Field

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

Background

In the use process of the thermotechnical instrument, an external connection wire and an external connection wire of the thermotechnical instrument are required to be connected and fixed by using a thermotechnical instrument junction box.

The in-process that current thermotechnical instrument terminal box was used, the staff is very inconvenient when being connected and fixed the external connection and the external wiring of thermotechnical instrument, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a junction box, which solves the problems that in the use process of the junction box in the prior art, workers are very inconvenient to connect and fix external wires and external wires of a thermotechnical instrument, and time and labor are wasted.

An embodiment of the present application provides a junction box, including:

the base is provided with a strip-shaped wiring groove, the wiring groove extends from the first end to the second end, and the wiring groove is used for accommodating wiring;

the pressing plate is arranged on the base; and

the wire butting assembly comprises a screw and a butting plate, the screw is arranged in the pressing plate in a penetrating mode and is in threaded connection with the pressing plate, the butting plate is arranged between the wiring groove and the pressing plate and is connected with one end, close to the wiring groove, of the screw, and the butting plate can move to the inside of the wiring groove in the direction close to the wiring groove by rotating the screw so as to compress the wiring in the wiring groove.

In some embodiments, the pressing plate is further provided with an indicator light, the indicator light is electrically connected with the wiring in the wiring slot through the abutting plate, the screw rod and the pressing plate, and the indicator light is used for indicating the connection state of the wiring in the wiring slot.

In some embodiments, the two side walls of the wiring groove are provided with conductive blocks, the base is provided with two wiring holes correspondingly and electrically connected with the two conductive blocks, the wiring holes are used for electrically connecting with wiring, and the screw rod is rotated to enable the abutting plate to move to the direction close to the wiring groove to be between the two conductive blocks and to be in contact with the two conductive blocks.

In some of these embodiments, the end of the threaded rod remote from the wire groove is provided with a rotating handle.

In some embodiments, the wire-butting component is arranged in plurality at intervals along the extending direction of the wire-connecting groove.

In some embodiments, the base is provided with a plurality of abutting grooves, the abutting grooves intersect with the wiring grooves and are arranged at intervals along the extending direction of the wiring grooves, the abutting grooves are matched with the abutting plates in shape, and the abutting plates can extend into the abutting grooves by rotating the screw rods.

In some of these embodiments, the wire connection slot is provided in plurality on the base at intervals and in parallel.

In some embodiments, the pressing plate is provided with a first through hole, the base is provided with a threaded hole, and the pressing plate and the base are connected together through a fastening screw penetrating through the first through hole and the threaded hole.

In some of these embodiments, the junction box further comprises an upper cover disposed on the pressure plate.

In some embodiments, a second through hole is formed in the upper cover, the fastening screw is further arranged in the second through hole in a penetrating manner, and the upper cover, the pressing plate and the base are connected together through the fastening screw arranged in the first through hole, the second through hole and the threaded hole in a penetrating manner.

The terminal box provided by the embodiment of the utility model has the beneficial effects that: through the wiring groove that sets up the bar at the interval on the base, can carry out preliminary location to the wiring, again because the screw rod wear to establish in the clamp plate and with clamp plate threaded connection, support the board setting between wiring groove and clamp plate and be connected near the one end in wiring groove with the screw rod, so still can rotate the screw rod and make to support the board and remove to the wiring inslot toward the direction that is close to wiring groove, compress tightly the wiring in the wiring groove to further fix the wiring that has connect. The junction box provided by the embodiment of the utility model solves the problems that in the use process of the junction box in the prior art, workers are very inconvenient to connect and fix the external connection wire and the external connection wire of a thermotechnical instrument, and time and labor are wasted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of a junction box according to one embodiment of the present invention;

FIG. 2 is an exploded view of the junction box shown in FIG. 1;

FIG. 3 is an enlarged fragmentary view of a portion A of the wire connecting slot shown in FIG. 2;

FIG. 4 is a partial enlarged view of a portion B of the wire connecting slot shown in FIG. 2;

fig. 5 is an exploded view of another angle of the junction box shown in fig. 1.

The designations in the figures mean:

100. a junction box; 10. a base; 11. a first end; 12. a second end; 13. a wiring slot; 14. a conductive block; 15. a wiring hole; 16. pressing the groove; 17. a threaded hole; 20. pressing a plate; 21. an indicator light; 22. a first through hole; 30. a wire-butting component; 31. a screw; 32. a resisting plate; 33. a handle; 34. connecting blocks; 40. a fastening screw; 50. an upper cover; 52. a second through hole; 53. a third via.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In order to explain the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.

Referring to fig. 1, 2, 3 and 5, an embodiment of the present application provides a junction box 100, which includes a base 10, a pressing plate 20 and a wire-supporting assembly 30.

The base 10 has a first end 11 and a second end 12 opposite to each other, and a strip-shaped wiring slot 13 is provided in the base 10, the wiring slot 13 extending from the first end 11 to the second end 12, the wiring slot 13 being used for accommodating wiring.

The pressing plate 20 is arranged on the base 10, and the wiring groove 13 is arranged on one surface of the base 10 close to the pressing plate 20.

The wire abutting assembly 30 comprises a screw rod 31 and an abutting plate 32, the screw rod 31 penetrates through the pressing plate 20 and is in threaded connection with the pressing plate 20, the abutting plate 32 is arranged between the wiring groove 13 and the pressing plate 20 and is connected with one end, close to the wiring groove 13, of the screw rod 31, and the abutting plate 32 can move into the wiring groove 13 in the direction close to the wiring groove 13 by rotating the screw rod 31 so as to press wiring in the wiring groove 13.

According to the junction box 100 provided by the embodiment of the utility model, the strip-shaped wiring grooves 13 are arranged on the base 10 at intervals, so that the wiring can be preliminarily positioned, the screw 31 penetrates through the pressing plate 20 and is in threaded connection with the pressing plate 20, the abutting plate 32 is arranged between the wiring grooves 13 and the pressing plate 20 and is connected with one end, close to the wiring grooves 13, of the screw 31, so that the screw 31 can be rotated to enable the abutting plate 32 to move into the wiring grooves 13 in the direction close to the wiring grooves 13 to press the wiring in the wiring grooves 13, and the connected wiring is further fixed. The junction box 100 provided by the embodiment of the utility model solves the problems that in the use process of the junction box in the prior art, workers are very inconvenient to connect and fix the external connection wire and the external connection wire of the thermotechnical instrument, and time and labor are wasted.

When the junction box 100 provided by the embodiment of the utility model is used, a worker inserts the wires to be connected from the two ends of the wiring groove 13, then the worker overlaps the two wires, the overlapped part is placed in the wiring groove 13 on the base 10, then the worker rotates the screw 31, the screw 31 drives the abutting plate 32 to move downwards, and then the wires are abutted and pressed, so that the wires are prevented from being separated from the wiring groove 13, and the problem that the existing junction box for the thermotechnical instrument is inconvenient to connect and fix the external wires of the thermotechnical instrument and the external wires is solved.

Referring to fig. 1, 2 and 3, in some embodiments, the pressing plate 20 is further provided with an indicator light 21, the indicator light 21 is electrically connected to the wiring in the wiring slot 13 through the abutting plate 32, the screw 31 and the pressing plate 20, and the indicator light 21 is used for indicating the on state of the wiring in the wiring slot 13, for example, the on or off state of the wiring in the wiring slot 13 can be judged by observing the on or off state of the indicator light 21.

By adopting the scheme, the line state of the wiring of the thermotechnical instrument can be visually displayed without opening the junction box 100, the operation is simple and convenient, and the problem that the circuit state of the thermotechnical instrument is not conveniently displayed by the conventional thermotechnical instrument junction box 100 is solved.

Referring to fig. 2, 3 and 4, in some embodiments, the conductive blocks 14 are disposed on both side walls of the wiring groove 13, two wiring holes 15 corresponding to and electrically connected to the conductive blocks 14 are disposed on the base 10, the wiring holes 15 are used for electrically connecting to the wiring, the wiring holes 15 are also convenient for fixing the wiring, and the pressing plate 32 can move to a direction close to the wiring groove 13 to be between the conductive blocks 14 and contact with the conductive blocks 14 by rotating the screw 31.

By adopting the scheme, when the instrument wiring device is used, two different wirings are placed at two ends of the wiring groove 13, then the two different wirings are connected with different conductive blocks 14, different wiring terminal parts are overlapped, the instrument wiring is completed, because the wiring hole 15 is used for being electrically connected with the wirings, the wiring hole 15 is electrically connected with the conductive blocks 14, and the two conductive blocks 14 can be electrically connected with the indicator lamp 21 through the abutting plate 32, the screw rod 31 and the pressing plate 20 to display the line connection state of the wirings.

Optionally, the side wall of the conductive block 14 close to the abutting plate 32 and the side wall of the abutting plate 32 close to the conductive block 14 are both configured to be arc-shaped and are configured to slide.

Referring to fig. 2 and 3, in some embodiments, the screw 31 is provided with a rotating handle 33 at an end away from the wire slot 13.

By adopting the scheme, the screw rod 31 is convenient to rotate, an external tool is not needed, and the device is simple, convenient and labor-saving.

Optionally, the rotating handle 33 is a lever fixedly arranged on the screw 31 in a penetrating manner, and the structure is simple and the processing is convenient.

Furthermore, a through hole is fixedly formed in the pressure plate 20, a connecting block 34 is provided in the through hole, the screw 31 is inserted into the connecting block 34 and is in threaded connection with the connecting block 34, and the screw 31 is inserted into the through hole with a gap.

Referring to fig. 2, in some embodiments, a plurality of wire-supporting members 30 are disposed at intervals along the extending direction of the wire-connecting slot 13.

Through adopting above-mentioned scheme, can compress tightly, fix the wiring in the wiring groove 13 better, avoid the wiring to break away from in the wiring groove 13.

Referring to fig. 2, in some embodiments, the base 10 is provided with a plurality of pressing grooves 16, the pressing grooves 16 intersect with the wiring grooves 13 and are spaced apart from each other along the extending direction of the wiring grooves 13, the pressing grooves 16 are matched with the pressing plates 32, and the pressing plates 32 can be inserted into the pressing grooves 16 by rotating the screws 31.

By adopting the above scheme, when the screw 31 is rotated to move the abutting plate 32 to the wiring groove 13 in the direction close to the wiring groove 13, the abutting plate 32 can move more stably without shaking.

Alternatively, the pressing groove 16 and the pressing plate 32 are both provided in a circular shape.

With continued reference to fig. 2, in some embodiments, a plurality of wiring slots 13 are spaced and arranged in parallel on the base 10.

By adopting the above scheme, the junction box 100 in the present embodiment can be used to connect and fix multiple wires at the same time.

Referring to fig. 1 and 2, in some embodiments, a first through hole 22 is formed in the pressing plate 20, a threaded hole 17 is formed in the base 10, and the pressing plate 20 and the base 10 are connected together by a fastening screw 40 penetrating through the first through hole 22 and the threaded hole 17.

By adopting the scheme, the pressing plate 20 and the base 10 can be tightly connected together, the structure is simple, and the disassembly and the assembly are very convenient.

Optionally, the number of the first through holes 22, the number of the threaded holes 17, and the number of the fastening screws 40 are four, the four first through holes 22 are respectively disposed at four corners of the pressure plate 20, and the four threaded holes 17 are respectively disposed at four corners of the base 10. It is possible to make the pressing plate 20 and the base 10 more closely connected.

Referring to fig. 1 and 2, in some embodiments, the junction box 100 further includes an upper cover 50, and the upper cover 50 is disposed on the pressure plate 20.

By adopting the scheme, the junction box 100 can be sealed, and dust or water is prevented from entering the interior of the junction box 100 to influence the normal use of the junction box 100.

Optionally, one end of the upper cover 50 close to the pressing plate 20 is provided with a receiving groove, and the pressing plate 20 and the wire pressing assembly 30 are both received in the receiving groove.

Referring to fig. 1, 2 and 5, in some embodiments, the upper cover 50 is provided with a second through hole 52, the fastening screw 40 is further disposed in the second through hole 52, and the upper cover 50, the pressure plate 20 and the base 10 are connected together by the fastening screw 40 disposed in the first through hole 22, the second through hole 52 and the threaded hole 17.

By adopting the scheme, the upper cover 50, the pressing plate 20 and the base 10 can be tightly connected together, the structure is simple, and the disassembly and the assembly are very convenient.

Alternatively, four second through holes 52 are also provided, and four second through holes 52 are provided at four corners of the upper cover 50, respectively. The upper cover 50, the pressing plate 20 and the base 10 can be more closely connected.

Optionally, a third through hole 53 is provided on the upper cover 50. The on or off state of the indicator lamp 21 can be observed through the third through hole 53.

Referring to fig. 1 to 5, an exemplary embodiment of the present disclosure provides a junction box 100, which includes a base 10, a pressing plate 20, a wire-pushing assembly 30, and an upper cover 50.

The base 10 has relative first end 11 and second end 12, and the interval is provided with a plurality of bar-shaped wiring grooves 13 on the base 10 and parallel arrangement, and wiring groove 13 extends to second end 12 from first end 11, and wiring groove 13 is used for holding the wiring, is provided with screw hole 17 on the base 10.

The two side walls of the wiring groove 13 are provided with conductive blocks 14, the base 10 is provided with two wiring holes 15 correspondingly and electrically connected with the two conductive blocks 14, and the wiring holes 15 are used for being electrically connected with wiring.

The pressing plate 20 is arranged on the base 10, the wiring groove 13 is arranged on one surface of the base 10 close to the pressing plate 20, and the pressing plate 20 is provided with an indicator light 21 and a first through hole 22.

The line abutting assembly 30 is arranged in a plurality of intervals along the extending direction of each wiring groove 13, the line abutting assembly 30 comprises a screw rod 31 and an abutting plate 32, the screw rod 31 penetrates through the pressing plate 20 and is in threaded connection with the pressing plate 20, the abutting plate 32 is arranged between the wiring groove 13 and the pressing plate 20 and is connected with one end, close to the wiring groove 13, of the screw rod 31, a rotating handle 33 is arranged at one end, far away from the wiring groove 13, of the screw rod 31, and the abutting plate 32 can be moved to between the two conductive blocks 14 in the direction close to the wiring groove 13 and is in contact with the two conductive blocks 14 by rotating the screw rod 31 so as to compress wiring in the wiring groove 13. The indicator light 21 is also electrically connected with the wiring in the wiring slot 13 through the abutting plate 32, the screw rod 31 and the pressing plate 20, and the indicator light 21 is used for indicating the connection state of the wiring in the wiring slot 13.

The upper cover 50 is covered on the pressure plate 20, the upper cover 50 is provided with a second through hole 52, and the upper cover 50, the pressure plate 20 and the base 10 are connected together through a fastening screw 40 which is arranged in the first through hole 22, the second through hole 52 and the threaded hole 17 in a penetrating way.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. A junction box, comprising:

the pressing plate is arranged on the base; and

2. The junction box of claim 1, wherein an indicator light is further disposed on the pressing plate, the indicator light is electrically connected with the wiring in the wiring slot through the abutting plate, the screw and the pressing plate, and the indicator light is used for indicating the connection state of the wiring in the wiring slot.

3. The junction box according to claim 2, wherein conductive blocks are disposed on both side walls of the wiring groove, two wiring holes corresponding to and electrically connected to the two conductive blocks are disposed on the base, the wiring holes are used for electrically connecting to wiring, and the screw rod is rotated to move the abutting plate toward the wiring groove to a position between the two conductive blocks and contact the two conductive blocks.

4. The junction box of claim 1, wherein an end of said threaded rod remote from said wire connection slot is provided with a rotating handle.

5. The junction box according to claim 1, wherein the wire butting assembly is provided in plurality at intervals along an extending direction of the wire connection groove.

6. The junction box according to claim 5, wherein the base is provided with a plurality of abutting grooves intersecting the wiring grooves and spaced apart from each other in an extending direction of the wiring grooves, the abutting grooves are adapted to the abutting plate in shape, and the abutting plate is allowed to extend into the abutting grooves by rotating the screw.

7. The junction box of claim 1, wherein said wire receiving grooves are provided in plurality at intervals and in parallel on said base.

8. The junction box according to any one of claims 1 to 7, wherein a first through hole is formed in the pressure plate, a threaded hole is formed in the base, and the pressure plate and the base are connected together by a fastening screw inserted into the first through hole and the threaded hole.

9. The junction box of claim 8, further comprising an upper cover disposed on the pressure plate.

10. The junction box of claim 9, wherein a second through hole is formed in the upper cover, the fastening screw is further inserted into the second through hole, and the upper cover, the pressing plate and the base are connected together by the fastening screw inserted into the first through hole, the second through hole and the threaded hole.