CN212695662U

CN212695662U - Dustproof and explosion-proof junction box

Info

Publication number: CN212695662U
Application number: CN202021726052.4U
Authority: CN
Inventors: 范尚永
Original assignee: Nanyang Sanhe Explosion Proof Electric Co ltd
Current assignee: Nanyang Sanhe Explosion Proof Electric Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-12
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a dustproof explosion-proof terminal box, comprises a box bod, lid and a plurality of connector lug, be equipped with a plurality of line mouths of crossing on the box body, the inside quantity that is equipped with multiunit wire clamping component and a plurality of wire clamping component of box body is the same with the quantity of a plurality of line mouths of crossing, multiunit wire clamping component is including rotating the bull stick of installing in the box body inside, be equipped with first screw thread and second screw thread on the bull stick, screw-thread fit has the second kicking block on first screw thread and the second screw thread, the direction of rotation of first screw thread and second screw thread is opposite, be equipped with on the box body a plurality of screw holes and be equipped with a plurality of and screw hole complex through-holes on the lid, the box body is inside to be. The fixing effect of the electric wire is improved, the service life of the electric wire is prolonged, the sealing effect of the junction box is improved, and the terminal box is simple and convenient to use.

Description

Dustproof and explosion-proof junction box

Technical Field

The utility model relates to an explosion-proof electrical equipment technical field especially relates to a dustproof explosion-proof terminal box.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted for transition at the joint part of the electric wire (such as longer line or corner of the electric wire tube), the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box to play the roles of protecting the electric wire and connecting the electric wire, and the junction box is the junction box. However, the existing junction box does not well fix the wires when in use, so that the wires may fall off when in use, normal use is affected, the existing fixing mode of the wires cannot be changed according to wires with different thicknesses, the fixing effect of the thin wires is poor, the thick wires are easy to damage the wires, and the service life of the wires is shortened. Meanwhile, the interface of the existing wire is mostly fixed in caliber and cannot be adjusted according to the thickness of the wire, so that the sealing effect of the junction box is poor when the junction box is used.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a dustproof explosion-proof terminal box improves the sealed effect of electric wire box, carries out effectual fixing, improvement electric wire box's result of use according to different electric wire thicknesses to the electric wire simultaneously.

Its solution is, a dustproof explosion-proof terminal box, including box body, lid and a plurality of connector lug, be equipped with a plurality of line mouths of crossing on the box body, the inside quantity that is equipped with multiunit wire clamping component and a plurality of wire clamping component of box body is the same with the quantity of a plurality of line mouths of crossing, multiunit wire clamping component is including rotating the bull stick of installing in the box body is inside, be equipped with first screw thread and second screw thread on the bull stick, screw-thread fit has the second kicking block on first screw thread and the second screw thread, the direction of rotation of first screw thread and second screw thread is opposite, be equipped with a plurality of screw holes on the box body and be equipped with on the lid a plurality of and screw hole complex through-holes, box body internal fixation has a plurality of terminal posts.

Preferably, the box cover is provided with a groove matched with the box body.

Preferably, the lower part of bull stick is equipped with the spout that is located on the box body, the inside sliding fit of spout has first slider and second slider, first slider and second slider respectively with first kicking block and second kicking block between fixed connection.

Preferably, a plurality of wire passing openings are respectively fixed with a connecting pipe, and the connecting pipes are in threaded fit with the connector lug.

Preferably, one end of each of the plurality of connector lugs is fixed with a baffle, and one surface of the baffle, which is close to the box body, is provided with a sealing surface.

Preferably, the one end that the baffle was kept away from to a plurality of connector lug all is equipped with the opening and the diameter of the opening on a plurality of connector lugs reduces in proper order.

Preferably, two U-shaped supporting plates are fixed on the box cover in parallel, and the openings of the two supporting plates are opposite.

Preferably, the first ejector block and the second ejector block are provided with arc-shaped rubber blocks on the opposite surfaces, and the arc-shaped openings of the two rubber blocks are opposite.

The utility model has the advantages that: the fixing effect of the electric wire can be improved, the electric wire fixing device can be adjusted according to different electric wires, the fixing effect of the electric wire is improved, meanwhile, damage of the electric wire during fixing is reduced, and the service life of the electric wire is prolonged. Different connector lugs can be selected according to different electric wires, so that the situation that dust enters the interior of the junction box from the wire passing port is avoided, and the sealing performance of the junction box is improved.

Drawings

Fig. 1 is a schematic structural diagram of the whole front shaft side of the present invention.

Fig. 2 is a schematic structural diagram of the whole front side of the present invention.

Fig. 3 is a schematic view of the overall overlook structure of the present invention.

Fig. 4 is a schematic structural view of the shaft side of the box cover of the present invention.

Fig. 5 is a schematic structural view of a side surface of the box cover of the present invention.

Fig. 6 is a schematic structural view of the rotating rod of the present invention.

Fig. 7 is a schematic structural diagram of the connector lug of the present invention.

Fig. 8 is a schematic structural view of a plurality of connector lug shaft sides of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the dustproof and explosion-proof junction box comprises a box body 1, a box cover 15 and a plurality of connector lugs 18, it is characterized in that a plurality of wire passing ports 2 are arranged on the box body 1, a plurality of groups of wire clamping components are arranged in the box body 1, the number of the plurality of wire clamping components is the same as that of the plurality of wire passing ports 2, the multiple groups of wire clamping components comprise a rotating rod 5 which is rotatably arranged in the box body 1, a first thread 7 and a second thread 6 are arranged on the rotating rod 5, a first top block 8 is matched on the first thread 7 in a threaded manner, a second top block 9 is matched on the second thread 6, first screw thread 7 and second screw thread 6's direction of rotation is opposite, be equipped with a plurality of screw holes 3 on the box body 1 and be equipped with on the lid 15 a plurality of with screw hole 3 complex through-

holes

16, 1 internal fixation of box body has a plurality of terminals.

This device is when using, at first place the position that needs work with this device, then pass through line mouth 2 with the electric wire and spread into box body 1, the electric wire that will penetrate box body 1 inside is connected with the terminal of box body 1 inside, then see and rotate bull stick 5, through first kicking block 8 and second kicking block 9 respectively with the screw-thread fit between first screw thread 7 and the second screw thread 6, make first kicking block 8 and second kicking block 9 remove, because the direction of rotation of first screw thread 7 and second screw thread 6 is opposite, make first kicking block 8 and second kicking block 9 moving direction opposite, thereby make first kicking block 8 and second kicking block 9 remove and press from both sides the electric wire tightly, can also avoid the skew of electric wire simultaneously, the stability of electric wire has been improved. Through the effect of first kicking block 8 and second kicking block 9, can adjust according to the electric wire of different thicknesses, not only can carry out effectual clamp to the electric wire, can also avoid causing the damage to the electric wire, further improvement the result of use of device. After the connection is completed, the box cover 15 is matched with the box body 1, and the box cover 15 and the box body 1 are fixed through a plurality of screws.

The box cover 15 is provided with a groove 17 matched with the box body 1.

Through set up recess 17 on lid 15 for the cooperation between lid 15 and the box body 1 is inseparabler, thereby has increased the sealed effect when terminal box uses.

The lower part of bull stick 5 is equipped with spout 13 that is located box body 1, the inside sliding fit of spout 13 has first slider 11 and second slider 12, first slider 11 and second slider 12 respectively with first kicking block 8 and second kicking block 9 between fixed connection.

In order to make the kicking block more stable when removing, through setting up a plurality of spouts 13 and complex slider, improve the stable effect of kicking block when removing to further improve the practicality effect of device.

And the plurality of wire passing ports 2 are respectively fixed with a connecting pipe 4, and the connecting pipes 4 are in threaded fit with the connector lug 18.

Through setting up connecting pipe 4, protect the electric wire, avoid the electric wire to produce great wearing and tearing when the turning, improve the life of electric wire.

One end of each of the plurality of connector lugs 18 is fixed with a baffle plate 19, and one surface of the baffle plate 19, which is close to the box body 1, is provided with a sealing surface.

By arranging the baffle plate 19, the sealing effect of the connector lug 18 in use is improved.

The ends, far away from the baffle 19, of the plurality of connector lugs 18 are provided with openings, and the diameters of the openings in the plurality of connector lugs 18 are reduced in sequence.

Set up a plurality of connector lugs 18, the diameter of a plurality of connector lugs 18 is different to diameter to the electric wire of difference uses different connector lugs 18, thereby has improved the holistic sealed effect of terminal box, increases the result of use of terminal box under adverse circumstances.

Two U-shaped supporting plates 14 are fixed on the box cover 15 and arranged in parallel, and openings of the two supporting plates 14 are opposite.

Set up a plurality of backup pads 14 and not only can improve the intensity of lid 15, improve the compressive strength of terminal box, can pass through the cooperation between baffle 19 and the backup pad 14 with the connector lug 18 that can not use simultaneously, fix it on lid 15, avoid losing of connector lug 18, improved the effect of the use of device.

All be equipped with curved block rubber 10 on the relative one side of first kicking block 8 and second kicking block 9, the arc opening of two block rubber 10 is relative.

The rubber block 10 can further improve the protection of the electric wire, the situation that the electric wire is damaged when the electric wire is clamped by the jacking block is avoided, and the service life of the electric wire is prolonged.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. A dustproof and explosion-proof junction box comprises a box body (1), a box cover (15) and a plurality of connector posts (18), and is characterized in that a plurality of wire passing ports (2) are formed in the box body (1), a plurality of groups of wire clamping assemblies are arranged in the box body (1), the number of the wire clamping assemblies is the same as that of the wire passing ports (2), the groups of the wire clamping assemblies comprise a rotating rod (5) rotatably installed in the box body (1), first threads (7) and second threads (6) are arranged on the rotating rod (5), a first ejector block (8) is in threaded fit with the first threads (7), a second ejector block (9) is in threaded fit with the second threads (6), the rotating directions of the first threads (7) and the second threads (6) are opposite, a plurality of threaded holes (3) are formed in the box body (1), and a plurality of through holes (16) matched with the threaded holes (3) are formed in the box cover (15), a plurality of binding posts are fixed inside the box body (1).

2. The dustproof and explosion-proof junction box according to claim 1, wherein the box cover (15) is provided with a groove (17) matched with the box body (1).

3. The dustproof and explosion-proof junction box according to claim 1, wherein a sliding groove (13) positioned on the box body (1) is arranged below the rotating rod (5), a first sliding block (11) and a second sliding block (12) are in sliding fit in the sliding groove (13), and the first sliding block (11) and the second sliding block (12) are fixedly connected with the first ejector block (8) and the second ejector block (9) respectively.

4. The dustproof and explosion-proof junction box of claim 1, wherein the plurality of wire passing ports (2) are all fixed with connecting pipes (4), and the connecting pipes (4) are in threaded fit with the connector lugs (18).

5. The dustproof and explosion-proof junction box of claim 4, wherein a baffle (19) is fixed at one end of each of the plurality of the connector lugs (18), and a sealing surface is arranged on one surface of the baffle (19) close to the box body (1).

6. The dustproof and explosion-proof junction box according to claim 1, wherein the ends of the plurality of the connector lugs (18) far away from the baffle plate (19) are provided with openings, and the diameters of the openings on the plurality of the connector lugs (18) are sequentially reduced.

7. The dustproof and explosion-proof junction box of claim 1, wherein two parallel U-shaped supporting plates (14) are fixed on the box cover (15), and the openings of the two supporting plates (14) are opposite.

8. The dustproof and explosion-proof junction box according to claim 1, wherein arc-shaped rubber blocks (10) are arranged on the opposite surfaces of the first top block (8) and the second top block (9), and arc-shaped openings of the two rubber blocks (10) are opposite.