CN223109607U

CN223109607U - Junction Box

Info

Publication number: CN223109607U
Application number: CN202421263471.7U
Authority: CN
Inventors: 王孝晨; 钱文新; 姜伟; 胡文; 芦静; 赖扬; 刘虹雨
Original assignee: National Energy Group Yongzhou Power Generation Co ltd
Current assignee: National Energy Group Yongzhou Power Generation Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2025-07-15
Anticipated expiration: 2034-06-04

Abstract

The invention relates to a junction box, which comprises a box body, a wiring terminal arranged in the box body, a clamping mechanism arranged outside the box body, and a limiting mechanism arranged in the box body, wherein the clamping mechanism is used for detachably mounting the box body at a position to be fixed, and the limiting mechanism is used for limiting electric wires at the positions of the wire inlet and the wire outlet to be in butt joint with the side wall of the box body. The fixture is installed in the outside of box body, and the terminal box is connected with waiting fixed position detachably through fixture. The limiting mechanism is arranged in the box body, and can abut against the wire at the wire outlet and the wire inlet on the side wall of the box body, so that the wire can be stably connected with the wiring terminal, the situation that an operator breaks away the wire from the wiring terminal after the operator bumps the wire by mistake is avoided, and the using effect of the wiring box is guaranteed.

Description

Junction box

Technical Field

The present disclosure relates to the field of junction box technology, and in particular, to a junction box.

Background

The junction box has two main functions, namely, a plurality of cables or wires can be connected to realize connection and communication between different electrical equipment, and the junction box has the function of protecting the wires and the electrical equipment.

In the related art, after a maintenance person bumps the electric wire by mistake, the electric wire may be separated from the wiring terminal, so as to affect the use effect of the junction box.

Disclosure of utility model

It is an object of the present disclosure to provide a junction box to at least partially solve the problems existing in the related art.

In order to achieve the above purpose, the present disclosure provides a junction box, which comprises a box body, a junction terminal installed in the box body, a clamping mechanism installed outside the box body, and a limiting mechanism installed in the box body, wherein the junction box body is provided with a wire inlet and a wire outlet, the clamping mechanism is detachably installed outside the box body, the box body is detachably installed at a position to be fixed through the clamping mechanism, and the limiting mechanism is configured to enable wires at the wire inlet and the wire outlet to be abutted and limited on the side wall of the box body.

Optionally, the wire inlet and the wire outlet are oppositely arranged and are arranged on the same straight line, the limiting mechanism comprises a limiting plate arranged in the box body, the limiting plate can move back and forth between two sides of the straight line where the wire inlet and the wire outlet are located, the limiting plate moves forward, the wire inlet and the wire outlet can be connected with the wiring terminal, the limiting plate moves backward, and the wire can be limited between the side wall of the box body and the limiting plate.

Optionally, the both ends of limiting plate all are equipped with the breach, stop gear still includes two shell fragments, the shell fragment is equipped with free end and the stiff end of relative setting, the stiff end with the lateral wall fixed connection of breach, the in-process of limiting plate backward movement, the free end can with electric wire elasticity butt is in on the lateral wall of box body.

Optionally, the limiting mechanism further comprises a sliding rod, the sliding rod slidably stretches into the box body and is fixedly connected with the limiting plate, and the sliding rod is pulled to drive the limiting plate to move forwards and backwards.

Optionally, the limiting mechanism further comprises a spring sleeved on the sliding rod, two ends of the spring respectively prop against the limiting plate and the inner wall of the box body, wherein

The limiting plate moves forwards, and the spring is compressed;

and driving the limiting plate to move backwards under the action of the restoring deformation force of the spring.

Optionally, the clamping mechanism includes a housing having a fixing portion connected with the box body and a clamping portion spaced below the box body, and a clamping plate capable of extending or retracting the housing to clamp and fix the junction box at or release from the position to be fixed.

Optionally, the clamping mechanism further comprises a transmission assembly and a screw, wherein the transmission assembly is arranged in the shell and connected between the screw and the clamping plate, and the transmission assembly is used for converting the rotation motion of the screw into the up-down linear motion of the clamping plate.

The transmission assembly comprises a mounting seat, a telescopic rod, two mounting rods and a clamping plate, wherein the mounting seat is sleeved on the screw and is in threaded connection with the screw, the two ends of the telescopic rod are respectively connected with the mounting seat and the inner wall of the shell, the two mounting rods are respectively arranged on two sides of the clamping plate, the mounting rods are provided with a first end, a second end and a middle end which are oppositely arranged, the first end is hinged with the mounting seat, the second end is hinged with the clamping plate, the middle end is hinged with the shell, and the screw is rotated to enable the mounting seat to drive the first end to move downwards, so that the second end pushes the clamping plate to extend upwards out of the shell.

Optionally, the clamping mechanism further comprises an elastic member elastically connected between the housing and the mounting seat.

Optionally, a rubber pad is arranged on one side of the clamping plate, which is far away from the mounting rod.

The technical scheme provided by the embodiment of the disclosure can have the beneficial effects that in the junction box provided by the disclosure, the clamping mechanism is arranged outside the box body, and the junction box is detachably connected with the position to be fixed through the clamping mechanism. The limiting mechanism is arranged in the box body, and can abut against the wire at the wire outlet and the wire inlet on the side wall of the box body, so that the wire can be stably connected with the wiring terminal, the situation that an operator breaks away the wire from the wiring terminal after the operator bumps the wire by mistake is avoided, and the using effect of the wiring box is guaranteed.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

fig. 1 is a schematic diagram of a junction box shown in accordance with an exemplary embodiment of the present disclosure.

Fig. 2 is a cross-sectional view of one junction box shown in accordance with an exemplary embodiment of the present disclosure.

Fig. 3 is a second cross-sectional view of a junction box according to an exemplary embodiment of the present disclosure.

Description of the reference numerals

100. The cable box comprises a box body, 110, a cable inlet, 120, a cable outlet, 130, a heat dissipation hole, 200, a wiring terminal, 300, a clamping mechanism, 310, a shell, 320, a clamping plate, 330, a transmission component, 331, a mounting seat, 332, a telescopic rod, 333, a mounting rod, 350, a screw rod, 360, a rubber pad, 380, an elastic piece, 400, a limiting mechanism, 410, a limiting plate, 411, a notch, 420, a sliding rod, 430, a spring, 440, a spring piece, 441, a free end, 442 and a fixed end.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, unless otherwise indicated, terms of orientation such as "upper, lower, front, and rear" are used for convenience of description in conjunction with the accompanying drawings, and are not limited in the direction of the junction box, but are defined according to the own outline of the respective parts. The terms such as "first, second," and the like, as used in this disclosure, are used for distinguishing one element from another and not necessarily for order or importance. Furthermore, when the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated.

Referring to fig. 1 and 2, a junction box according to an embodiment of the present disclosure may include a box body 100 and a junction terminal 200 installed in the box body 100, where the box body 100 may be provided with a wire inlet 110 and a wire outlet 120, and the junction box may further include a clamping mechanism 300 and a limiting mechanism 400. The clamping mechanism 300 may be installed outside the box body 100, the box body 100 may be detachably installed at a position to be fixed by the clamping mechanism 300, the position to be fixed may be a wall surface or a fixing column, a fixing plate, etc. on an electrical cabinet, and the junction box is fixed on the wall surface or the electrical cabinet by the clamping mechanism 300. The limiting mechanism 400 may be installed in the box body 100, and the limiting mechanism 400 may be configured to limit the electric wires (not shown) at the wire inlet 110 and the wire outlet 120 to the side wall of the box body 100.

In the related art, the connection terminal 200 is crimped on the wire to fix the wire in the connection box, and when a serviceman touches the wire by mistake, the wire may be pulled out from the connection terminal 200, which affects the use effect of the connection box. In this embodiment, the limiting mechanism 400 is disposed in the box body 100, and the limiting mechanism 400 can abut the wires at the outlet 120 and the inlet 110 on the side wall of the box body 100, so that the connection between the wires and the wiring terminal 200 is enhanced, the situation that the wires are separated from the wiring terminal 200 after the operators touch the wires by mistake is avoided, and the use effect of the wiring box is ensured.

In an embodiment, referring to fig. 2, the wire inlet 110 and the wire outlet 120 may be disposed opposite to each other and may be disposed on the same straight line, the limiting mechanism 400 may include a limiting plate 410 disposed in the box body 100, the limiting plate 410 may move back and forth between two sides of the straight line where the wire inlet 110 and the wire outlet 120 are disposed, wherein the limiting plate 410 moves forward, wires in the wire inlet 110 and the wire outlet 120 may be connected to the connection terminal 200, the limiting plate 410 moves backward, and the wires may be limited between the side wall of the box body 100 and the limiting plate 410.

It can be appreciated that the wire inlet 110 and the wire outlet 120 are oppositely arranged and arranged on the same straight line, and the wires at the wire inlet 110 and the wire outlet 120 can be simultaneously abutted on the side wall of the housing 310 by driving the limiting plate 410 to move backwards, so that the abutting efficiency of the wires is improved.

Further, referring to fig. 2, the limiting plate 410 is driven to move forward, so that two sides of the limiting plate 410 pass over the wire inlet 110 and the wire outlet 120, and thus, a wire inlet (not shown in the drawing) can enter the box body 100 through the wire inlet 110 and be connected with the wire connecting terminal 200, and a wire outlet (not shown in the drawing) can leave the box body 100 through the wire outlet 120 after being connected with the wire connecting terminal 200, and the limiting plate 410 is driven to move backward, so that two ends of the limiting plate 410 can respectively abut the wire at the wire inlet 110 and the wire outlet 120 on two opposite side walls of the box body 100, thereby avoiding the wire from moving relative to the wire connecting terminal 200, avoiding the wire from being separated from the wire connecting terminal 200 after being mistakenly pulled, and ensuring the stability of the operation of the wire connecting box.

In an embodiment, referring to fig. 2, both ends of the limiting plate 410 may be provided with notches 411, the limiting mechanism 400 may further include two elastic pieces 440, the elastic pieces 440 may be provided with a free end 441 and a fixed end 442 that are disposed opposite to each other, the fixed end 442 may be fixedly connected with a side wall of the notch 411, and the free end 441 may elastically abut the electric wire on the side wall of the box body 100 during the backward movement of the limiting plate 410.

It can be understood that the wires in the wire inlet 110 and the wire outlet 120 are located in the backward movement stroke of the limiting plate 410, so that the wires can enter the notch 411 and abut against the free end 441 of the spring plate 440 in the notch 411 during the backward movement of the limiting plate 410, the free end 441 can clamp and limit the wires between the spring plate 440 and the side wall of the box 100, and the damage of the wires can be avoided in an elastic abutting manner, so as to ensure the integrity of the wires.

In an embodiment, referring to fig. 2, the limiting mechanism 400 may further include a sliding rod 420, where the sliding rod 420 may slidably extend into the box body 100 and may be fixedly connected to the limiting plate 410, and the sliding rod 420 may be pulled to drive the limiting plate 410 to move back and forth. The slide bar 420 is pulled to drive the limiting plate 410 to move forward, so that the incoming wire can be connected with the wiring terminal 200 through the incoming wire 110 and separated from the wire to be connected with the wiring terminal 200 and then separated from the box body 100 through the wire outlet 120, and the slide bar 420 is pulled to drive the limiting plate 410 to move backward, so that the wires at the incoming wire 110 and the wire outlet 120 are abutted on the side wall of the box body 100. The user indirectly controls the forward and backward movement of the limiting plate 410 by driving the sliding rod 420 to move, without the user's hand extending into the case 100 to drive the limiting plate 410 to move.

Further, referring to fig. 2, the limiting mechanism 400 may further include a spring 430 sleeved on the sliding rod 420, wherein two ends of the spring 430 respectively abut against the limiting plate 410 and the inner wall of the box body 100, the limiting plate 410 moves forward, the spring 430 is compressed, and the limiting plate 410 is driven to move backward under the action of restoring deformation force of the spring 430. By arranging the spring 430, the spring 430 can automatically drive the limiting plate 410 to move backwards, and the limiting plate 410 does not need to be manually driven to move backwards, so that the labor intensity of a user is reduced.

In another embodiment, the limiting mechanism 400 includes a driving motor and a screw, the driving motor is in transmission connection with the screw, the limiting plate 410 is sleeved on the screw and in threaded connection with the screw, and the driving motor drives the screw to rotate so as to drive the limiting plate 410 to move forwards or backwards.

In an embodiment, referring to fig. 1 and 2, a plurality of heat dissipation holes 130 are formed on a side wall of the box body 100, so that the working temperature of components in the box body 100 is ensured, and the safety of the junction box during operation is ensured.

In an embodiment, the box body 100 is provided with an observation window, and a user can observe whether the connection on the connection terminal 200 is loose through the observation window, so that the connection terminal is convenient to overhaul, and the practicability of the connection box is enhanced.

In an embodiment, referring to fig. 1 and 3, the clamping mechanism 300 may include a housing 310 and a clamping plate 320, the housing 310 having a fixing portion connected to the box body 100 and a clamping portion spaced below the box body 100, the clamping plate 320 being capable of extending or retracting the housing 310 to clamp and fix the terminal box in or release the terminal box from a to-be-fixed position. By extension and retraction of the clamping plate 320, the detachable connection of the junction box and the position to be fixed can be quickly achieved.

Further, referring to fig. 3, the clamping mechanism 300 may further include a transmission assembly 330 and a screw 350, wherein the transmission assembly 330 may be disposed in the housing 310 and may be connected between the screw 350 and the clamping plate 320, and the transmission assembly 330 may be used to convert the rotational movement of the screw 350 into the up-down linear movement of the clamping plate 320.

It will be appreciated that upon rotation of the screw 350, the drive assembly 330 may translate rotation of the screw 350 into upward movement of the clamp plate 320 to extend the clamp plate 320 out of the housing 310 until the position to be secured is abutted between the clamp plate 320 and the cartridge 100, and upon reverse rotation of the screw 350, the drive assembly 330 may translate reverse rotation of the screw 350 into downward movement of the clamp plate 320 to retract the clamp plate 320 back into the housing 310 to effect separation from the position to be secured.

In one embodiment, referring to fig. 3, the transmission assembly 330 may include a mounting 331, a telescoping rod 332, and a mounting rod 333. The mounting seat 331 may be sleeved on the screw 350 and may be screwed with the screw 350. Both ends of the telescopic rod 332 may be connected to the mounting seat 331 and the inner wall of the housing 310, respectively. The mounting bars 333 may be provided with two, two mounting bars 333 may be provided at both sides of the clamping plate 320, respectively, the mounting bars 333 may be provided with a first end and a second end which are relatively provided, and a middle end, the first end may be hinged with the mounting seat 331, the second end may be hinged with the clamping plate 320, and the middle end may be hinged with the housing 310. The screw 350 is rotated to enable the mounting base 331 to drive the first end to move downwards, so that the second end can push the clamping plate 320 to extend upwards out of the shell 310 until the position to be fixed is abutted between the clamping plate 320 and the box body 100, the telescopic rod 332 is stretched, the screw 350 is rotated reversely to enable the mounting base 331 to drive the first end to move upwards, so that the second end can drive the clamping plate 320 to retract into the shell 310, separation of the clamping plate 320 and the position to be fixed is achieved, the telescopic rod 332 is compressed, a user can control clamping or releasing of the clamping plate 320 and the box body 100 to be fixed only by rotating the screw 350, the operation mode is simple, and disassembly and overhaul of the junction box are facilitated. The telescopic rod 332 can limit the movement direction of the mounting seat 331, so that the mounting seat 331 is prevented from rotating in the working process, and the working stability of the clamping plate 320 is ensured. In other embodiments, the transmission assembly 330 may also be a rack and pinion structure, a multiple link structure, or the like.

Further, referring to fig. 3, the clamping mechanism 300 may further include an elastic member 380, where the elastic member 380 may be elastically connected between the housing 310 and the mounting seat 331, so as to increase a contact area between the mounting seat 331 and an inner wall of the housing 310, reduce a pressure of the mounting seat 331 to the housing 310, and buffer an abutment force of the mounting seat 331 to the housing 310.

In an embodiment, the mounting base 331 may include a movable base and a supporting base disposed on two sides of the clamping plate 320, the end of the telescopic rod 332, the end of the elastic member 380, and the first end of the mounting rod 333 are all integrally mounted on the movable base, the supporting base includes a horizontal section and inclined sections disposed on two sides of the horizontal section, the screw 350 is screwed on the horizontal section, and the inclined sections are connected with the movable base.

In an embodiment, referring to fig. 3, a rubber pad 360 may be disposed on a side of the clamping plate 320 away from the mounting rod 333, and by setting the rubber pad 360, the abutting force of the clamping plate 320 to the position to be fixed may be buffered, and the friction force between the clamping plate 320 and the box body 100 may be increased, so as to ensure that the clamping plate 320 and the box body 100 may clamp the position to be fixed from both sides of the position to be fixed, thereby ensuring that the junction box may be stably connected with the position to be fixed, and effectively preventing the junction box from falling off.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims

1. The utility model provides a terminal box, the terminal box include the box body with install in binding post in the box body, inlet and outlet have been seted up to the box body, its characterized in that, the terminal box still includes:

a clamping mechanism arranged outside the box body and detachably arranged at a position to be fixed through the clamping mechanism, and

The limiting mechanism is arranged in the box body and is configured to limit the wire at the wire inlet and the wire outlet to the side wall of the box body in a butt joint mode.

2. The junction box according to claim 1, wherein the wire inlet and the wire outlet are disposed opposite to each other and on the same straight line, the limit mechanism comprises a limit plate disposed in the box body, the limit plate being capable of moving back and forth between both sides of the straight line where the wire inlet and the wire outlet are located, wherein,

The limiting plate moves forwards, and the wire in the wire inlet and the wire outlet can be connected with the wiring terminal;

The limiting plate moves backwards, and the electric wire can be limited between the side wall of the box body and the limiting plate.

3. The junction box according to claim 2, wherein both ends of the limiting plate are provided with notches, the limiting mechanism further comprises two elastic pieces, the elastic pieces are provided with free ends and fixed ends which are arranged oppositely, the fixed ends are fixedly connected with the side walls of the notches, and the free ends can elastically abut the electric wires on the side walls of the box body in the backward movement process of the limiting plate.

4. The junction box according to claim 2, wherein the limiting mechanism further comprises a slide bar slidably extending into the box body and fixedly connected with the limiting plate, and the slide bar is pulled to drive the limiting plate to move back and forth.

5. The junction box according to claim 4, wherein the limit mechanism further comprises a spring sleeved on the slide rod, two ends of the spring respectively prop against the limit plate and the inner wall of the box body, wherein

The limiting plate moves forwards, and the spring is compressed;

6. The terminal block of any of claims 1-5, wherein the clamping mechanism includes a housing having a securing portion connected to the block and a clamping portion spaced below the block, and a clamping plate that can extend or retract from the housing to clamp the terminal block in or out of the to-be-secured position.

7. The junction box according to claim 6, wherein the clamping mechanism further comprises a transmission assembly and a screw, the transmission assembly being provided in the housing and connected between the screw and the clamping plate, the transmission assembly being used for converting rotational movement of the screw into up-down linear movement of the clamping plate.

8. The junction box of claim 7 wherein said transmission assembly comprises:

the mounting seat is sleeved on the screw rod and is in threaded connection with the screw rod;

A telescopic rod with two ends respectively connected with the mounting seat and the inner wall of the shell, and

The two mounting rods are respectively arranged on two sides of the clamping plate, each mounting rod is provided with a first end, a second end and a middle end which are oppositely arranged, each first end is hinged with the corresponding mounting seat, each second end is hinged with the corresponding clamping plate, and each middle end is hinged with the corresponding shell;

And the screw rod is rotated, so that the mounting seat drives the first end to move downwards, and the second end pushes the clamping plate to extend upwards out of the shell.

9. The junction box of claim 8 wherein said clamping mechanism further comprises a resilient member resiliently connected between said housing and said mounting base.

10. The junction box according to claim 8, wherein a rubber pad is provided on a side of the clamping plate remote from the mounting bar.