CN211700941U - Junction box with safety device - Google Patents

Abstract

The utility model relates to a terminal box with safety device, including the box body, be equipped with first terminal and second terminal in the box body, the box body has seted up smooth chamber along the horizontal direction, and the smooth chamber is embedded to be established and has the ware box along horizontal direction sliding connection, is equipped with the fuse in the ware box, and first terminal electricity is connected with first conducting strip, and second terminal electricity is connected with the second conducting strip, and when the ware box inlayed completely and locates in the box body, first conducting strip and second conducting strip electricity respectively connect in the both ends of fuse. When the circuit is overloaded, the fuse is heated and fused to disconnect the circuit, so that the electric appliance and the circuit are protected. After the fuse fuses, take out the ware box from the box body, make the electric connection disconnection of first terminal and second terminal, then change the fuse, push the ware box into the box body again, when the ware box imbeds the box body completely, the fuse just in time butt between first conducting strip and second conducting strip, the circuit communicates again promptly, conveniently maintains the circuit.

Description

Junction box with safety device

Technical Field

The utility model belongs to the technical field of the electrical component technique and specifically relates to a terminal box with safety device is related to.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, and at the joint part of the electric wire, for example, the line is longer, or the electric wire tube needs to turn, the junction box is used as transition, the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box, and the functions of protecting the electric wire and connecting the electric wire are achieved.

An existing junction box, such as the wire junction box disclosed in the utility model with publication number CN209881319U, includes a junction box main body, on which a terminal assembly is arranged, and the junction box main body is provided with an installation structure for installing on a wall; the mounting structure comprises a mounting bottom plate arranged on the junction box main body and a panel bottom box fixedly arranged on a wall body, wherein the mounting bottom plate is connected with the panel bottom box through a fastener. The electric wire junction box is provided with a mounting structure used for being mounted on a wall body, the mounting structure comprises a mounting bottom plate arranged on a junction box main body and a panel bottom box fixedly arranged on the wall body, the mounting bottom plate is connected with the panel bottom box through a fastening piece, and the electric wire junction box can be used for overhauling and maintaining a household circuit.

The above prior art solutions have the following drawbacks: when the current in the wires connected in the wire junction box is overlarge and the circuit is overloaded, the electric appliance and the circuit are easily burnt out, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, one of the purposes of the utility model is to provide a terminal box that has safety device that security performance is high.

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

the utility model provides a terminal box with safety device, includes the box body, be equipped with the terminal that is used for connecting the electric wire in the box body, the terminal is equipped with two, including first terminal and second terminal, the box body has seted up smooth chamber along the horizontal direction, smooth intracavity inlays to establish and has insulating ware box along horizontal direction sliding connection, be equipped with the fuse in the ware box, first terminal electricity is connected with first conducting strip, second terminal electricity is connected with the second conducting strip, works as when the ware box inlays completely to locate in the box body, first conducting strip and second conducting strip electricity respectively connect in the both ends of fuse.

Through adopting above-mentioned technical scheme, when the circuit transships, the fuse generates heat and fuses, makes the circuit disconnection to protect electrical apparatus and circuit. Through the setting of ware box, after the fuse melts, take out the ware box from the box body, make the electric connection disconnection of first terminal and second terminal, then change the fuse, push the ware box into the box body again, when the ware box imbeds the box body completely, the fuse just in time butt between first conducting strip and second conducting strip, the circuit communicates again promptly, and the convenience is maintained the circuit.

The present invention may be further configured in a preferred embodiment as: the box body is provided with a limiting groove used for preventing the device box from continuously sliding inwards, the limiting groove is provided with an opening with a sliding cavity facing outwards, and when the device box is abutted against the limiting groove, the fuse is electrically connected with the first conducting strip and the second conducting strip at two ends.

Through adopting above-mentioned technical scheme, when impeller box imbeds the box body completely, the one end that the ware box outwards inlays and locates the spacing groove, makes the one end that the ware box outwards and the one end parallel and level that the box body is outwards, and the ware box can not continue to promote inwards, and the fuse both ends are just in time connected with the first conducting strip and the second conducting strip electricity at both ends this moment, have improved the stability of installation fuse, and make things convenient for the ware box to take out from the box body next time.

The present invention may be further configured in a preferred embodiment as: a magnetic suction component is arranged between the limiting groove and the device box.

Through adopting above-mentioned technical scheme, through the setting of magnetism subassembly of inhaling, when the cartridge promoted in the box body, when the cartridge inlays and locates in the spacing groove, the cartridge attracts through magnetism subassembly with the spacing groove, has improved the stability of cartridge in smooth chamber.

The present invention may be further configured in a preferred embodiment as: the box body is provided with an operation groove used for facilitating the taking-out of the device box, and the operation groove is arranged on one side of one end of the device box facing outwards.

Through adopting above-mentioned technical scheme, through the setting in operation groove, make operating personnel when needs take out the ware box, have bigger operating space, make things convenient for operating personnel to use the instrument to take out the ware box from sliding chamber.

The present invention may be further configured in a preferred embodiment as: the operation groove is provided with two symmetrical sides which are arranged at the outward end of the device box.

Through adopting above-mentioned technical scheme, operating personnel carries out the centre gripping to the ware box from the operation groove of both sides, or carries out the application of force to the ware box through two fingers, makes things convenient for operating personnel to take out the ware box from sliding chamber.

The present invention may be further configured in a preferred embodiment as: the side wall of the device box is fixedly provided with a plurality of convex strips, and the convex strips are exposed out of the operation groove.

Through adopting above-mentioned technical scheme, through the setting of sand grip, make operating personnel when taking out the ware box, increase and the frictional force of ware box make operating personnel conveniently to the ware box application of force.

The present invention may be further configured in a preferred embodiment as: the upper end of the device box and the inward end of the device box are opened, and a limiting block used for limiting the fuse is arranged in the device box.

Through adopting above-mentioned technical scheme, through with ware box upper end and one end opening inwards, the fuse of fusing is conveniently changed to carry on spacingly through the stopper to the fuse, prevent that the fuse from removing by oneself in the ware box, improved the stability of fuse in the ware box.

The present invention may be further configured in a preferred embodiment as: the box body is internally and electrically connected with a warning lamp, and the warning lamp is connected with the first wiring terminal in series.

Through adopting above-mentioned technical scheme, through the setting of warning light, when the circuit is normal, the warning light keeps often bright, when the circuit transships, during the fuse fusing, the circuit disconnection, the warning light is not bright, and the convenience is overhauld the circuit. And through the setting of warning light, push the box body in as the ware box, and the normal butt in first conducting strip and second conducting strip in fuse both ends, the warning light lights, if the warning light does not normally light, circuit connection goes wrong promptly, plays certain feedback effect to operating personnel.

The present invention may be further configured in a preferred embodiment as: the box body is equipped with the solidus mouth that the power supply line passed, the solidus mouth is cylindrical, the solidus mouth radially wears to establish and threaded connection has positioning bolt along it.

Through adopting above-mentioned technical scheme, when the electric wire need wear out the wall body outside, the electric wire is worn out from solidus mouth to through screwing up positioning bolt, support the electric wire tight fixation in solidus mouth, improved the stability of electric wire, prevent that the electric wire is because of the mistake bumps and is not hard up with being connected of first terminal or second terminal.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the device box and the fuse in the device box are arranged, so that the circuit is protected, and the circuit is convenient to overhaul;

2. the stability of installing the fuse is improved;

3. taking out and installing the toilet box;

4. through the setting of warning light, conveniently overhaul the circuit.

Drawings

FIG. 1 is a schematic view of the outward facing side of the present embodiment;

FIG. 2 is a schematic structural view of the back side of the present embodiment;

fig. 3 is a schematic view of the structure of the cartridge taken out in the present embodiment.

In the figure, 1, a box body; 11. a slide chamber; 12. a limiting groove; 13. a magnetic component; 131. a magnet; 132. a magnetic member; 14. an operation slot; 15. a wire fixing port; 151. positioning the bolt; 2. a binding post; 21. a first terminal post; 211. a first conductive sheet; 22. a second terminal; 221. a second conductive sheet; 23. a housing; 24. a wire inlet; 25. tightly abutting against the bolt; 26. a conductive block; 3. a fuse; 4. a cartridge; 41. a convex strip; 42. a limiting block; 5. a warning light.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a terminal box with safety device, including box body 1, the terminal 2 that is used for the electricity connection power line, fuse 3, be used for placing fuse 3's ware box 4 and be used for the warning light 5 of feedback. The box body 1 is hollow and is opened towards one end of the wall body, and the binding posts 2 are arranged in two and are fixedly arranged in the box body 1. The device box 4 is insulating material, and the device box 4 inlays to be established and along horizontal direction sliding connection in box body 1, and device box 4 can outwards roll off box body 1. The fuse 3 is placed in the cartridge 4. The warning lamp 5 is arranged on the box body 1 and is connected with the wiring terminal 2 in series.

When the circuit is overloaded, the fuse 3 is heated and fused to break the circuit, so that the electric appliance and the circuit are protected. Through the setting of cartridge 4, after fuse 3 fuses, take out cartridge 4 from box body 1, then change fuse 3, again with cartridge 4 push box body 1 again in, the circuit communicates again promptly, conveniently maintains the circuit.

Referring to fig. 3, the box body 1 is provided with a sliding cavity 11 along the horizontal direction, and the sliding cavity 11 is located below the terminals 2 and between the two terminals 2. The device box 4 is embedded and connected with the sliding cavity 11 in a sliding way along the horizontal direction. The box body 1 is provided with a limiting groove 12 for preventing the device box 4 from continuously sliding inwards, the limiting groove 12 is provided with an opening of the sliding cavity 11 facing outwards, and one end of the device box 4 facing outwards is in a convex shape along the circumferential direction. Be equipped with magnetism between spacing groove 12 and the container box 4 and inhale subassembly 13, inhale subassembly 13 including magnet 131 and magnetism piece 132 of inhaling, magnet 131 is fixed to be located container box 4 and spacing groove 12 junction, and magnetism piece 132 is the iron sheet, inhales a fixed locating spacing groove 12 tank bottoms of 132 of inhaling. When the device box 4 slides inwards to the designated position along the sliding cavity 11, the outward end of the device box 4 is embedded in the limiting groove 12 and limited by the limiting groove 12, the outward end of the device box 4 is flush with the outward end of the box body 1 at the moment, and the device box 4 and the limiting groove 12 are attracted through the magnetic attraction component 13.

Referring to fig. 3, the box body 1 is provided with an operation slot 14 for conveniently taking out the device box 4, and the operation slot 14 is provided with two sides symmetrically arranged at one outward end of the device box 4. The side walls of the upper and lower sides of the device box 4 are fixedly provided with a plurality of convex strips 41, and the convex strips 41 are exposed in the operation slot 14.

Referring to fig. 3, 4 upper ends of ware box and one end opening inwards are equipped with in the ware box 4 and are used for 3 spacing stopper 42 to the fuse, and stopper 42 is the T shape of opening towards fuse 3, and stopper 42T shape open-ended both ends butt in 3 both ends of fuse, make fuse 3 can not slide along the horizontal direction.

When replacing the cartridge 4, the operator can apply force to the cartridge 4 from the operation slot 14 manually or by a tool, and the friction force is increased by the convex strip 41 arranged on the cartridge 4, so that the cartridge 4 can be taken out from the sliding cavity 11 more conveniently. After taking out cartridge 4, fuse 3 exposes, takes out fuse 3 of fusing to place new fuse 3 in cartridge 4, it is spacing that new fuse 3 passes through stopper 42, then in pushing away sliding chamber 11 again cartridge 4, when cartridge 4 one end butt outwards in spacing groove 12, magnetism subassembly 13 makes cartridge 4 and spacing groove 12 zonulae occludens, and cartridge 4 must not continue inwards to impel through the spacing of spacing groove 12.

Referring to fig. 2, the post 2 includes a first post 21 and a second post 22. The binding post 2 comprises a shell 23, a wire inlet 24, a holding bolt 25 and a conductive block 26. The wire inlets 24 are all opened on the lower end surface of the shell 23. The tightening bolt 25 is arranged along the horizontal direction and is perpendicular to the opening direction of the wire inlet 24. The conductive block 26 is embedded in a side of the housing 23 away from the fastening bolt 25, and when the fastening bolt 25 is tightened, one end of the fastening bolt 25 facing the housing 23 abuts against the conductive block 26. The housing 23 of the first terminal post 21 is fixedly provided with a first conductive plate 211, the upper end of the first conductive plate 211 is abutted and electrically connected to the conductive block 26 of the first terminal post 21, and the lower end of the first conductive block 26 extends to be in the same horizontal plane with the fuse 3. The housing 23 of the second terminal 22 is fixedly provided with a second conductive sheet 221, the conductive block 26 of the second terminal 22 is electrically connected to the warning light 5 through a wire, and the warning light 5 is electrically connected to the second conductive sheet 221 through a wire. When the device case 4 is completely embedded in the case body 1 and the device case 4 abuts against the limiting groove 12, the first conductive plate 211 and the second conductive plate 221 are electrically connected to two ends of the fuse 3, respectively.

During wiring, two wires to be connected are respectively connected into the first binding post 21 and the second binding post 22 and are tightly pressed on the conductive block 26 through the tight pressing bolt 25. When the device box 4 is pushed into the sliding cavity 11 and is limited by the magnetic attraction component 13 and the limiting groove 12, the first conducting plate 211 and the second conducting plate 221 just butt against the two ends of the fuse 3, the circuit is communicated, and the warning lamp 5 is turned on after being electrified.

Referring to fig. 2, the box body 1 is provided with a wire fixing port 15 through which a power supply wire passes, and the wire fixing port 15 is arranged at the lower end of the box body 1. The wire fixing port 15 is cylindrical, and the wire fixing port 15 is radially penetrated and connected with a positioning bolt 151 through threads.

When the electric wire needs to be connected out of the wall body, the electric wire penetrates out of the wire fixing port 15, and the electric wire is tightly fixed in the wire fixing port 15 by screwing the positioning bolt 151, so that the stability of the electric wire is improved, and the electric wire is prevented from being loosened due to mistaken collision and connected with the first binding post 21 or the second binding post 22.

The implementation principle of the embodiment is as follows:

1. when the fuse 3 is in normal use, the electric wire electrically connected to the first terminal 21 is electrically connected to the electric wire of the second terminal 22 sequentially through the conductive block 26, the first conductive sheet 211, the fuse 3, the second conductive sheet 221, the warning light 5 and the conductive block 26, and a complete series circuit is formed.

2. When the circuit transships, fuse 3 generates heat and fuses, makes the circuit disconnection to protect electrical apparatus and circuit, warning light 5 extinguishes this moment, makes things convenient for operating personnel to inspect.

3. When the circuit is restored, the operator can manually or by a tool force the cartridge 4 from the operation slot 14 to remove the cartridge 4 from the slide chamber 11. After taking out cartridge 4, fuse 3 exposes, take out fuse 3 of fusing, and place new fuse 3 in cartridge 4, it is spacing that new fuse 3 passes through stopper 42, then push cartridge 4 again into sliding chamber 11, when cartridge 4 one end butt outwards in spacing groove 12, magnetism subassembly 13 makes cartridge 4 and spacing groove 12 zonulae occludens, and cartridge 4 must not continue inwards to impel through spacing groove 12 spacing, first conducting strip 211 and second conducting strip 221 are just in time butt in the both ends of fuse 3 this moment, the circuit intercommunication, light after warning light 5 circular telegram, it is normal to indicate circuit connection.

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 (9)

1. The utility model provides a terminal box with safety device, includes box body (1), be equipped with terminal (2) that are used for connecting the electric wire in box body (1), terminal (2) are equipped with two, including first terminal (21) and second terminal (22), its characterized in that: box body (1) have been seted up smooth chamber (11) along the horizontal direction, smooth chamber (11) are embedded to be established and have insulating ware box (4) along horizontal direction sliding connection, be equipped with fuse (3) in ware box (4), first terminal (21) electricity is connected with first conducting strip (211), second terminal (22) electricity is connected with second conducting strip (221), works as when ware box (4) are inlayed completely and are located in box body (1), first conducting strip (211) and second conducting strip (221) electricity respectively connect in the both ends of fuse (3).

2. A junction box with a safety device as claimed in claim 1, wherein: the limiting groove (12) used for preventing the device box (4) from continuously sliding inwards is formed in the box body (1), the opening of the sliding cavity (11) facing outwards is formed in the limiting groove (12), and when the device box (4) abuts against the limiting groove (12), the fuse (3) is electrically connected with the first conducting plate (211) and the second conducting plate (221) at two ends.

3. A junction box with a safety device as claimed in claim 2, wherein: a magnetic component (13) is arranged between the limiting groove (12) and the device box (4).

4. A junction box with a safety device as claimed in claim 1, wherein: the operation groove (14) that are used for making things convenient for extractor box (4) are seted up in box body (1), one side of ware box (4) one end outwards is seted up in operation groove (14).

5. A terminal block with a safety feature as claimed in claim 4, wherein: two operating grooves (14) are formed in the two sides of one end, facing outwards, of the device box (4) symmetrically.

6. A terminal block with a safety feature as claimed in claim 4, wherein: the side wall of the device box (4) is fixedly provided with a plurality of convex strips (41), and the convex strips (41) are exposed out of the operation groove (14).

7. A junction box with a safety device as claimed in claim 1, wherein: the fuse protector is characterized in that the upper end of the device box (4) and one inward end are opened, and a limiting block (42) used for limiting the fuse protector (3) is arranged in the device box (4).

8. A junction box with a safety device as claimed in claim 1, wherein: the box body (1) internal electricity is connected with warning light (5), warning light (5) and first terminal (21) are established ties.

9. A junction box with a safety device as claimed in claim 1, wherein: the box body (1) is equipped with solidus mouth (15) that the power supply line passed, solidus mouth (15) are cylindrically, solidus mouth (15) radially wear to establish and threaded connection has positioning bolt (151) along it.

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