CN210468335U

CN210468335U - Cable connection structure of intelligent distribution box

Info

Publication number: CN210468335U
Application number: CN201921983909.8U
Authority: CN
Inventors: 李小洪; 董勇; 于通江
Original assignee: Wuhu Electric Fuzhou Co Ltd
Current assignee: Wuhu Electric Fuzhou Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-05
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a cable connection structure of an intelligent distribution box, which comprises a distribution box and a cable box connected to the bottom of the distribution box, and also comprises an internal cable connected with an internal circuit of the distribution box and an external cable connected with an external device of the distribution box, wherein the side wall of the cable box is provided with a threading opening, and the threading opening is connected with a rotating sleeve; the rotating sleeve is connected with an insulating cylinder in a sliding mode, a connecting piece is integrally molded in the insulating cylinder in an injection mode, and terminals for connecting the internal connecting cable and the external connecting cable are arranged at two ends of the connecting piece respectively. The utility model has the advantages of make things convenient for cable junction.

Description

Cable connection structure of intelligent distribution box

Technical Field

The utility model relates to an intelligent power distribution box especially relates to an intelligent power distribution box's cable junction structure.

Background

The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, and requires that a switch device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch.

The prior patent document with publication number CN108879405A discloses an intelligent accessory box, which comprises a box body, wherein a cable box is arranged at the bottom of the box body, the box body is also provided with a wire inlet hole for connecting a power wire, and the bottom of the cable box is also provided with a plurality of wire threading ports for connecting with external cables; the main socket is provided with a three-phase socket and is fixed on the side wall of the box body; the electric board is arranged on the right side of the general socket and is fixed on the side wall of the box body; the electric board is provided with an electric energy display screen, and a plurality of electric load sockets are arranged below the electric energy display screen.

The above prior art solutions have the following drawbacks: when external cable need with the inside cable junction of block terminal, the cable need penetrate the cable box from the through wires mouth of the bottom of block terminal in, opens the cable box chamber door again, and the external cable that pulls up comes to be connected with the inside cable of box, fixes the block terminal after the cable junction again, and its cable junction is troublesome, and the operation is inconvenient, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligent power distribution box's cable junction structure, it has the advantage that makes things convenient for cable junction.

The above object of the present invention can be achieved by the following technical solutions:

a cable connecting structure of an intelligent distribution box comprises the distribution box, a cable box connected to the bottom of the distribution box, an internal cable connected with an internal circuit of the distribution box and an external cable connected with external equipment of the distribution box, wherein a threading opening is formed in the side wall of the cable box, and a rotating sleeve is connected to the threading opening; the rotating sleeve is connected with an insulating cylinder in a sliding mode, a connecting piece is integrally molded in the insulating cylinder in an injection mode, and terminals for connecting the internal connecting cable and the external connecting cable are arranged at two ends of the connecting piece respectively.

By adopting the technical scheme, the cable box is provided with the insulating cylinder, the connecting piece is injected in the insulating cylinder, the internal cable is connected with the terminal of the connecting piece in advance, and when the cable of the external equipment needs to be connected with the cable box in the distribution box, the internal cable only needs to be connected with the terminal on the connecting piece; after the internal cable and the external cable are connected to the terminal, the insulating cylinder can slide to a position where an operator can conveniently install the connecting wire through sliding with the rotating sleeve arranged on the threading opening.

The utility model discloses further set up to: the terminal is provided with an internal thread, the ends of the internal cable and the external cable are respectively sleeved with a metal head, and the outer wall of the metal head is provided with an external thread for screwing the terminal.

By adopting the technical scheme, the metal head is sleeved on the end heads of the internal connection cable and the external connection cable, and the metal head and the terminal are connected on the connecting piece in a threaded manner, so that the external connection cable is connected with the internal connection cable.

The utility model discloses further set up to: the rotary sleeve is provided with a sleeve groove, the outer wall of the insulating cylinder is attached to the inner wall of the sleeve groove, and the outer wall of the insulating cylinder is further provided with a positioning block for abutting against the rotary sleeve.

Through adopting above-mentioned technical scheme, the outer wall of insulating cylinder can sliding connection sheathe in through the cooperation of laminating mutually with the cover inslot wall rotating, through the setting of locating piece, can inject the sliding range of insulating cylinder.

The utility model discloses further set up to: the inner wall of the sleeve groove is provided with a sliding groove for the positioning block to be connected in a sliding manner, two ends of the rotating sleeve in the length direction of the sliding groove are provided with limiting parts for abutting against the positioning block, and the length direction of the sliding groove is axially parallel to the sleeve groove.

By adopting the technical scheme, the positioning block can enable the insulating cylinder to slide on the rotating sleeve along with the sliding through the sliding on the sliding chute; the arrangement of the limiting part can prevent the insulating cylinder from sliding out of the sleeve groove of the rotating sleeve.

The utility model discloses further set up to: the outer wall of the rotating sleeve is provided with an annular groove clamped with the inner wall of the threading opening along the peripheral side, and the rotating sleeve is rotatably connected to the side wall of the cable box through the clamping of the annular groove and the inner wall of the threading opening.

Through adopting above-mentioned technical scheme, the joint cooperation that the cover passes through annular and opening inner wall rotates on the lateral wall to rotate relatively can take place with the insulating cylinder.

The utility model discloses further set up to: the outer peripheral groove that supplies the locating piece to rotate the connection is seted up to one side that the cover inslot wall is located the cable box outside, the outer peripheral groove axial is on a parallel with spout length direction.

Through adopting above-mentioned technical scheme, when the locating piece slides to the spout and is located the one end of cable box, locating piece accessible periphery groove is sheathe in rotating and is rotated, makes locating piece and spout dislocation to can not take place to slide, can make better the carrying out the wiring of external cable.

The utility model discloses further set up to: an inner peripheral groove for the positioning block to be connected in a rotating mode is formed in one side, located in the cable box, of the inner wall of the sleeve groove, and the inner peripheral groove is axially parallel to the length direction of the sliding groove.

Through adopting above-mentioned technical scheme, when the locating piece slides to the spout and is close to the one end of cable box, the locating piece accessible is interior the peripheral groove and is sheathe in the rotation and rotate, makes the locating piece break away from the spout to can not take place to slide, can slide to the cable box in the insulating cylinder part, and can not the roll-off.

The utility model discloses further set up to: one end of the insulating cylinder, which is far away from the cable box, is provided with a sealing gasket used for abutting against the rotating sleeve.

By adopting the technical scheme, the insulating cylinder slides on the sliding groove, when the insulating cylinder slides to the positioning block and can rotate in the inner peripheral groove, the sealing gasket is attached to the rotating sleeve, and the sealing performance of the insulating cylinder and the rotating sleeve is improved.

To sum up, the utility model discloses a beneficial technological effect does:

an insulating cylinder is arranged in the cable box, and a connecting piece for connecting the internal cable and the external cable is injected in the insulating cylinder, so that the connection of the internal cable and the external cable can be facilitated; the insulating cylinder is sleeved on the rotating sleeve through the matching sliding connection of the positioning block and the sliding groove, the insulating cylinder can slide towards the outside of the cable box, so that an external cable is connected with a connecting piece conveniently, the insulating cylinder can slide towards the inside of the cable box after the external cable is connected, and the insulating cylinder is partially contained in the cable box, so that the insulating cylinder is protected. And the two ends of the rotating sleeve positioned on the sliding groove are respectively provided with an inner peripheral groove and an outer peripheral groove for the positioning block to be connected in a rotating manner, so that the insulating cylinder can not slide when being connected with an external cable or can not slide when sliding into a cable box. It has the advantage of facilitating the cable connection.

Drawings

FIG. 1 is a schematic view showing the position of the insulation barrel according to the present embodiment;

FIG. 2 is a schematic view showing the relative positions of the insulating cylinder, the rotating sleeve and the door panel in this embodiment;

FIG. 3 is an exploded view of the present embodiment showing the connection between the external cable and the internal cable;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic sectional view showing the inside of the boss groove of the present embodiment.

Description of reference numerals: 1. a distribution box; 2. a cable box; 3. an internal cable; 4. connecting a cable externally; 5. a threading opening; 6. rotating the sleeve; 7. an insulating cylinder; 8. a connecting member; 9. a terminal; 10. a metal head; 11. sleeving a groove; 12. positioning blocks; 13. a chute; 14. a limiting part; 15. a ring groove; 16. a peripheral groove; 17. an inner peripheral groove; 18. a gasket; 19. a sealing block; 20. a limiting port; 21. a door panel; 22. and a rotating member.

Detailed Description

Example (b):

as shown in fig. 1 and 2, the cable connection structure of the intelligent distribution box comprises a distribution box 1 and a cable box 2 connected to the bottom of the distribution box 1, and further comprises an internal cable 3 connected with an internal circuit of the distribution box 1 and an external cable 4 connected with an external device of the distribution box 1. The cable box 2 comprises a door plate 21, a threading opening 5 (refer to fig. 3) is formed in the door plate 21, and a rotating sleeve 6 is connected to the threading opening 5; the rotating sleeve 6 is provided with an insulating cylinder 7 for connecting the internal cable 3 with the external cable 4.

As shown in fig. 3 and 4, a connecting member 8 is integrally molded in the insulating cylinder 7, and terminals 9 for connecting the internal cable 3 and the external cable 4 are respectively disposed at two ends of the connecting member 8. The terminal 9 is provided with an internal thread, the ends of the internal cable 3 and the external cable 4 are respectively sleeved with a metal head 10, and the outer wall of the metal head 10 is provided with an external thread for screwing the terminal 9. It should be noted that, when the distribution box 1 is installed, the internal cable 3 is already fixed by screwing with the terminal 9 on the connecting piece 8 through the metal head 10, and when the external device needs to be connected with the internal cable 3 in the distribution box 1 through the external cable 4, the external cable 4 sleeved with the metal head 10 is only needed to be screwed with the terminal 9 in the connecting piece 8; it should be noted that, one end of the metal head 10 is provided with a rotating member 22 for pressing the external cable 4 and the internal cable 3, and when the metal head is screwed and installed, the rotating member 22 can be used for screwing or unscrewing.

As shown in fig. 4 and 5, a sleeve groove 11 is formed in the rotating sleeve 6, the outer wall of the insulating cylinder 7 is attached to the inner wall of the sleeve groove 11, a positioning block 12 is further arranged on the outer wall of the insulating cylinder 7, a sliding groove 13 for slidably connecting the positioning block 12 is formed in the inner wall of the sleeve groove 11, the length direction of the sliding groove 13 is parallel to the length direction of the sleeve groove 11, and when the insulating cylinder 7 slides in the sleeve groove 11, the positioning block 12 also slides on the sliding groove 13. The two ends of the rotating sleeve 6 in the length direction of the sliding chute 13 are provided with limiting parts 14 for abutting against the positioning block 12. When the external cable 4 needs to be connected with one end of the connecting piece 8 positioned outside the box body, the insulating cylinder 7 slides towards the outside of the cable box 2, so that the connection operation of the external cable 4 can be facilitated. After the external cable 4 is connected, the insulating cylinder 7 can slide towards the cable box 2, so that the insulating cylinder 7 is prevented from being completely exposed on the outer wall of the cable box 2, and the insulating cylinder 7 is protected to a certain extent. The limiting part 14 on the rotating sleeve 6 can prevent the insulating cylinder 7 from sliding out of the sleeve groove 11 when sliding on the rotating sleeve 6.

As shown in fig. 3, the outer wall of the rotating sleeve 6 is provided with an annular groove 15 along the peripheral side, the annular groove 15 is clamped on the inner wall of the threading opening 5 of the cable box 2, and the rotating sleeve 6 is rotatably connected on the door panel 21 through the matching of the annular groove 15 and the inner wall of the threading opening 5. It should be noted that, the way that the rotating sleeve 6 is installed on the door panel 21 is that the door panel 21 is divided into two halves by taking the threading opening 5 as the center, so that when the two half door panels 21 are clamped on the annular groove 15 on the rotating sleeve 6, the two half door panels 21 are connected and fixed by welding.

As shown in fig. 4 and 5, an outer peripheral groove 16 for rotatably connecting the positioning block 12 is formed on one side of the sliding groove 13 of the rotating sleeve 6 outside the cable box 2 (see fig. 1), and the axial direction of the outer peripheral groove 16 is parallel to the length direction of the sliding groove 13. One side of the rotating sleeve 6, which is positioned in the cable box 2, of the sliding groove 13 is provided with an inner circumferential groove 17 for the positioning block 12 to be rotatably connected, and the axial direction of the inner circumferential groove 17 is parallel to the axial direction of the outer circumferential groove 16. Both ends of the slide groove 13 in the longitudinal direction communicate with one end of the inner circumferential groove 17 and one end of the outer circumferential groove 16, respectively. When an operator connects the external cable 4, the insulating cylinder 7 is slid outward toward the cable box 2 (refer to fig. 1) to a position where the positioning block 12 abuts against the limiting part 14, then the insulating cylinder 7 is grasped, the positioning block 12 is clamped into the peripheral groove 16 by rotating the rotating sleeve 6, the insulating cylinder 7 cannot slide, and therefore the external cable 4 is conveniently connected. After the external cable 4 is connected, the insulation cylinder 7 is grasped, and then the rotating sleeve 6 is rotated to the position where the positioning block 12 is opposite to the sliding chute 13, so that the insulation cylinder 7 can slide towards the cable box 2 (refer to fig. 1); after the insulating cylinder 7 slides to the position where the positioning block 12 abuts against the limiting part 14 on the side where the inner circumferential groove 17 is located, the insulating cylinder 7 is grasped tightly, and then the rotating sleeve 6 is rotated, so that the positioning block 12 is located in the inner circumferential groove 17 and at a position staggered with the sliding groove 13, and the insulating cylinder 7 cannot slide out. It should be noted that, when the insulating cylinder 7 is to be mounted on the rotating sleeve 6, the limiting portion 14 is provided with a limiting opening 20 into which the positioning block 12 is inserted, and after the positioning block 12 is mounted in the sliding groove 13, the limiting opening 20 is sealed by the sealing block 19, so as to prevent the positioning block 12 from being removed.

As shown in fig. 1 and 2, the end of the insulating cylinder 7 away from the cable box 2 is provided with a sealing gasket 18 for abutting against the rotating sleeve 6. When the insulation cylinder 7 slides on the sliding groove 13 until the positioning block 12 can rotate in the inner circumferential groove 17, the sealing gasket 18 is attached to the rotating sleeve 6, and the sealing performance between the insulation cylinder 7 and the rotating sleeve 6 is improved.

The utility model discloses an application principle does: when the distribution box 1 is installed, the internal cable 3 connected with the internal circuit of the distribution box 1 is fixed in advance through the threads of the metal head 10 and the terminal 9 on the connecting piece 8; after the distribution box 1 is installed, when external equipment needs to be connected with the internal connection cable 3, the insulating cylinder 7 slides to the position where the positioning block 12 abuts against the limiting part 14 through sliding connection with the rotating sleeve 6, then the rotating sleeve 6 is rotated, the positioning block 12 rotates to the peripheral groove 16 and is dislocated with the sliding groove 13, the external connection cable 4 on the external equipment is used, and the terminal 9 screwed on the connecting piece 8 through the metal head 10 can be connected with the internal connection cable 3. After the external cable 4 is connected, the rotating sleeve 6 is rotated to enable the positioning block 12 to be in a position opposite to the sliding groove 13, the insulating cylinder 7 is pushed inwards to a position where the positioning block 12 abuts against a limiting part 14, located in the cable box 2, of the rotating sleeve 6, then the rotating sleeve 6 is rotated to enable the positioning block 12 to rotate to a position, located in the inner peripheral groove 17 and staggered with the sliding groove 13, of the positioning block 12, and therefore the insulating cylinder 7 can be prevented from sliding.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an intelligent power distribution box's cable junction structure, includes block terminal (1) and connects in cable box (2) of block terminal (1) bottom, still includes inscription cable (3) that link to each other with block terminal (1) inner line and external cable (4) that link to each other with block terminal (1) external equipment, its characterized in that: a threading opening (5) is formed in the side wall of the cable box (2), and a rotating sleeve (6) is connected to the threading opening (5); sliding connection has an insulating cylinder (7) on rotating cover (6), an organic whole has moulded plastics connecting piece (8) in insulating cylinder (7), the both ends of connecting piece (8) are equipped with respectively and supply terminal (9) that internal cable (3) are connected with external cable (4).

2. The cable connection structure of an intelligent distribution box according to claim 1, wherein: be equipped with the internal thread on terminal (9), overlap respectively on the end of internal cable (3) and external cable (4) and be equipped with metal head (10), be equipped with the external screw thread that is used for spiro union terminal (9) on metal head (10) outer wall.

3. The cable connection structure of an intelligent distribution box according to claim 1, wherein: the rotary sleeve is characterized in that a sleeve groove (11) is formed in the rotary sleeve (6), the outer wall of the insulating cylinder (7) is attached to the inner wall of the sleeve groove (11), and a positioning block (12) used for abutting against the rotary sleeve (6) is further arranged on the outer wall of the insulating cylinder (7).

4. The cable connection structure of an intelligent distribution box according to claim 3, wherein: the inner wall of the sleeve groove (11) is provided with a sliding groove (13) for the positioning block (12) to be in sliding connection, the two ends of the rotating sleeve (6) in the length direction of the sliding groove (13) are provided with limiting parts (14) used for being abutted to the positioning block (12), and the length direction of the sliding groove (13) is axially parallel to the sleeve groove (11).

5. The cable connection structure of an intelligent distribution box according to claim 4, wherein: rotate cover (6) outer wall along week side offer with annular (15) of threading mouth (5) inner wall joint, rotate cover (6) and rotate the joint of passing through annular (15) and threading mouth (5) inner wall and connect on cable box (2) lateral wall.

6. The cable connection structure of an intelligent distribution box according to claim 4, wherein: one side of the inner wall of the sleeve groove (11) positioned outside the cable box (2) is provided with a peripheral groove (16) for the positioning block (12) to be rotatably connected, and the peripheral groove (16) is axially parallel to the length direction of the sliding groove (13).

7. The cable connection structure of an intelligent distribution box according to claim 6, wherein: one side of the inner wall of the sleeve groove (11) in the cable box (2) is provided with an inner circumferential groove (17) for the positioning block (12) to be rotatably connected, and the axial direction of the inner circumferential groove (17) is parallel to the length direction of the sliding groove (13).

8. The cable connection structure of an intelligent distribution box according to claim 7, wherein: and a sealing gasket (18) used for abutting against the rotating sleeve (6) is arranged at one end, far away from the cable box (2), of the insulating cylinder (7).