CN211377497U

CN211377497U - Junction box

Info

Publication number: CN211377497U
Application number: CN202020239938.XU
Authority: CN
Inventors: 廖文翔; 廖启林
Original assignee: Yichang Jielong Electric Co ltd
Current assignee: Yichang Jielong Electric Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-08-28
Anticipated expiration: 2030-03-02

Abstract

The application discloses a junction box, which comprises a box body, wherein one surface of the box body (1) is provided with an opening, the opening is detachably connected with a cover plate, and lifting wire guides matched with each other are arranged in the box body; connecting holes are formed in the wall of the box body on two sides of the lifting wire guide and are connected with the Glan head (2); the lifting wire guide is provided with a cable positioning hole (9); and a wiring space is arranged between the lifting wire guide devices. According to the scheme, the lifting wire guides are adopted to fixedly divide strands of the cables entering the junction box, and a wiring space is formed between the lifting wire guides, so that the stranded cables can be conveniently connected in an insulating manner; the lifting design can improve the space, and the insulation connection is convenient; the design of pole is accomodate to the electric wire is convenient fixes surplus stranded cable.

Description

Junction box

Technical Field

The utility model relates to an electrical accessories utensil technical field, concretely relates to junction box.

Background

In the field of electrical engineering, junction boxes are common fittings, which are mainly used for branching or switching cables. The existing junction box is fixed by using the wiring terminal in long-term use, so that a ground fault is easy to occur due to the influence of moisture and the like, and great difficulty is brought to fault judgment; the cable is often connected by adopting a direct connection mode, and how to fix the cable is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a junction box has solved the cable fixation problem of junction box. In order to achieve the above purpose, the utility model adopts the following technical scheme:

a junction box comprises a box body, wherein one side of the box body is provided with an opening, the opening is detachably connected with a cover plate, and lifting wire guides matched with each other are arranged in the box body; connecting holes are formed in the wall of the box body on two sides of the lifting wire guide and are connected with the Glan head; the lifting wire guide is provided with a cable positioning hole; and a wiring space is arranged between the lifting wire guide devices.

Furthermore, a wire accommodating rod is detachably connected to the box body between the lifting wire guide and the gland head.

Furthermore, the lifting wire guide comprises a screw thread rotating shaft and a moving ring in threaded connection with the periphery of the screw thread rotating shaft, a cable positioning hole is formed in the moving ring, one end of the screw thread rotating shaft is connected with the box body through a rotary connector, sliding grooves are axially formed in the peripheries of two sides of the center line of the moving ring, the sliding grooves are connected with sliding rails matched with the sliding grooves, and the screw thread rotating shaft rotates to drive the moving ring to reciprocate along the sliding rails.

Furthermore, a first threaded hole is formed in the box body between the lifting wire guide and the gland head, and the first threaded hole is in threaded connection with one end of the wire accommodating rod.

Further, the electric wire accommodating rod comprises a positioning rod, the positioning rod is connected with a connecting disc, a winding rod is connected onto the connecting disc, one end of the positioning rod is connected with a threaded rod, and the threaded rod is in threaded connection with the first threaded hole.

Furthermore, a transmission device is arranged below the wiring space and used for power transmission between the lifting wire guide devices; the transmission device is rotatably connected to the box body.

Further, the transmission device comprises a first rotating shaft, the first rotating shaft is connected with an intermediate transmission gear through a bearing, and the transmission gear is meshed with the transmission gear; the first rotating shaft is circumferentially provided with positioning grooves; the positioning groove is connected with a circlip, and the circlip is fixed on the box body through a positioning block; a ratchet wheel is fixed on the middle transmission gear and matched with a pawl, and the pawl is fixed on the box body; the transmission gear is fixed on the threaded rotating shaft; the transmission gear and the intermediate transmission gear are meshed for rotation.

Compared with the prior art, the beneficial effects of the application are that:

according to the scheme, the lifting wire guides are adopted to fixedly divide strands of the cables entering the junction box, and a wiring space is formed between the lifting wire guides, so that the stranded cables can be conveniently connected in an insulating manner; the lifting design can improve the space, and the insulation connection is convenient; the design of pole is accomodate to the electric wire is convenient fixes surplus stranded cable.

Drawings

FIG. 1 is a schematic view of a junction box construction;

FIG. 2 is a schematic view of the transmission assembly;

FIG. 3 is a schematic view of a cord receiving pole;

fig. 4 is a plan view of the wire accommodating rod.

Detailed Description

The scheme will now be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-4, a junction box comprises a box body, wherein one side of the box body 1 is provided with an opening, the opening is detachably connected with a cover plate, and lifting wire guides matched with each other are arranged in the box body; connecting holes are formed in the wall of the box body on two sides of the lifting wire guide and are connected with the Glan head 2; the lifting wire guide is provided with a cable positioning hole 9; and a wiring space is arranged between the lifting wire guide devices. The design makes things convenient for the cable to get into the incasement through the glan head is sealed fixed like this, then the stranding penetrates cable locating hole 9 and carries out the stranding fixedly, is convenient for connect and arrange the cable in order. The cable locating hole 9 is in interference fit with the stranded cable, and positioning is facilitated. The optimized design cable positioning hole 9 is provided with insulating rubber so as to be convenient for inserting and fixing.

And an electric wire accommodating rod is detachably connected to the box body between the lifting wire guide and the Glan head 2. Such a design facilitates the fixing of the excess cable by the stranded cable in the space between the elevation conductor and the glan head 2.

The lifting wire guide comprises a threaded rotating shaft 7, wherein a moving ring is connected to the periphery of the threaded rotating shaft 7 in a threaded manner, a cable positioning hole 9 is formed in the moving ring, and the cable positioning hole 9 transversely penetrates through the moving ring. The box is connected to rotary connector through the one end of screw axis of rotation 7, spout 5 has been seted up to the axial on the periphery of motion ring central line both sides, and spout 5 is connected with the slide rail with 5 looks adaptations of spout, screw axis of rotation 7 rotates the drive motion ring and follows reciprocating motion is made to the slide rail. In the lifting design, a groove 6 for rotation can be designed at the upper end head of the threaded rotating shaft 7, so that tools such as a screwdriver and the like can be operated and rotated conveniently, and the crowded space caused by a handle and the like is reduced; the threaded rotating shaft 7 is rotated to drive the moving ring to move up and down along the sliding rail, the up-and-down position of the cable positioning hole 9 is adjusted, and wiring is facilitated. The cable connection can be performed by adopting an insulating bag, such as an insulating tape, a heat-shrinkable sleeve and the like.

A first threaded hole 10 is formed in the box body between the lifting wire guide and the gland head 2, and the first threaded hole 10 is in threaded connection with one end of the wire accommodating rod. The wire accommodating rod comprises a positioning rod 19-1, the positioning rod is connected with a connecting disc 19-4, a wire winding rod 19-2 is connected to the connecting disc 19-4, one end of the positioning rod 19-1 is connected with a threaded rod 19-3, and the threaded rod 19-3 is in threaded connection with the first threaded hole 10. The first threaded holes 10 are preferably uniformly distributed at the bottom of the box body 1, and the positioning rods 19-1 can be adjusted to be connected with the first threaded holes 10, so that the length of the surplus stranded cable can be adjusted conveniently. The winding rod 19-2 is provided with a notch to prevent the stranded cable from sliding downwards. The winding rods 19-2 are uniformly distributed on the periphery of the connecting disc 19-4, so that the cable can be wound conveniently.

A transmission device is arranged below the wiring space and used for power transmission between the lifting wire guide devices; the transmission device is rotatably connected to the box body 1. The lifting wire guide comprises a first lifting wire guide 4 and a second lifting wire guide 8, and the space between the first lifting wire guide 4 and the second lifting wire guide 8 is a wiring space. The lifting wire guide is designed and adjusted in such a way, and the other lifting wire guide is driven, so that the lifting wire guide driven by threads can be quickly adjusted.

The transmission device comprises a first rotating shaft 13, the first rotating shaft 13 is connected with an intermediate transmission gear 11 through a bearing, and the intermediate transmission gear 11 is meshed with a transmission gear 18; the first rotating shaft 13 is circumferentially provided with a positioning groove 13-1; the positioning groove 13-1 is connected with an elastic check ring 12, and the elastic check ring 12 is fixed on the box body 1 by a positioning block 15; a ratchet wheel 14 is fixed on the intermediate transmission gear 11, the ratchet wheel 14 is matched with a pawl 17, and the pawl 17 is fixed on the box body 1; the transmission gear 18 is fixed on the threaded rotating shaft 7; the transmission gear 18 and the intermediate transmission gear 11 are meshed for rotation. The ratchet wheel 14 is matched with a pawl 17, so that the positioning is convenient, and the lifting wire guide can rotate downwards for limiting. The circlip 12 is formed by welding steel bars to the end of a conventional circlip to extend, so that the assembly is convenient. The box body 1 and the cover plate are sealed by 3 rings of convex rubber. The positioning groove 13-1 is embedded into the elastic retainer ring 12, and the lower end of the first rotating shaft 13 is rotatably connected with the bottom of the box body 1 through a blind hole, so that the quick assembly is convenient.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A junction box comprises a box body, wherein one side of the box body (1) is provided with an opening, and the opening is detachably connected with a cover plate; connecting holes are formed in the wall of the box body on two sides of the lifting wire guide and are connected with the Glan head (2); the lifting wire guide is provided with a cable positioning hole (9); and a wiring space is arranged between the lifting wire guide devices.

2. A connection box according to claim 1, characterized in that a wire receiving rod is detachably connected to the box between the lifting wire guide and the glan head (2).

3. The junction box of claim 1, wherein the lifting wire guide comprises a threaded rotating shaft (7), a moving ring is connected to the periphery of the threaded rotating shaft (7) in a threaded manner, a cable positioning hole (9) is formed in the moving ring, one end of the threaded rotating shaft (7) is connected to the box body through a rotary connector, sliding grooves (5) are axially formed in the peripheries of two sides of the center line of the moving ring, sliding rails matched with the sliding grooves (5) are connected to the sliding grooves (5), and the threaded rotating shaft (7) drives the moving ring to reciprocate along the sliding rails.

4. A connection box according to claim 2, characterised in that a first threaded hole (10) is provided in the box between the lifting wire guide and the glan-head (2), the first threaded hole (10) being in threaded connection with one end of the wire-receiving rod.

5. The junction box according to claim 4, wherein the wire receiving rod comprises a positioning rod (19-1), the positioning rod is connected with a connecting disc (19-4), a winding rod (19-2) is connected to the connecting disc (19-4), one end of the positioning rod (19-1) is connected with a threaded rod (19-3), and the threaded rod (19-3) is in threaded connection with the first threaded hole (10).

6. A junction box according to claim 3, wherein a transmission means is provided below the junction space for power transmission between the elevating wire guides; the transmission device is rotationally connected to the box body (1).

7. A connection box according to claim 6, characterized in that the transmission means comprise a first rotary shaft (13), the first rotary shaft (13) being connected to an intermediate transmission gear (11) via a bearing, the intermediate transmission gear (11) being engaged with a transmission gear (18); positioning grooves (13-1) are circumferentially arranged on the first rotating shaft (13); the positioning groove (13-1) is connected with an elastic check ring (12), and the elastic check ring (12) is fixed on the box body (1) through a positioning block; a ratchet wheel (14) is fixed on the intermediate transmission gear (11), the ratchet wheel (14) is matched with a pawl (17), and the pawl (17) is fixed on the box body (1); the transmission gear (18) is fixed on the threaded rotating shaft (7); the transmission gear (18) is meshed with the intermediate transmission gear (11) to rotate.