CN218958481U - Junction box - Google Patents

Abstract

The utility model discloses a junction box, which relates to the technical field of junction boxes, and comprises a box body, wherein an insertion slot penetrating through the front end and the rear end of the box body is formed in the middle of the box body, the insertion slot extends to the lower part of the inside of the box body, a plurality of layers of arc cavities which are symmetrical in front-back and left-right directions are formed on the left side and the right side of the insertion slot, a poking tooth is rotatably arranged on one side of the inside of the arc cavity, one part of the poking tooth is exposed on the surface of the box body, the tail end of a copper wire is knotted in advance to form a node, the node is plugged into the inside of a device, when the copper wire passes through two groups of cams, the cams can be rotated by pulling the cams, the two cams are gradually pulled until the end node cannot be pulled out from the device, the installation of the lead can be more rapidly completed, the occurrence of the condition of sliding wire is avoided, and when the lead is replaced, the cams corresponding to the layer of the lead are also required to be adjusted to be loose, and the lead can be directly pulled out to be replaced again.

Description

Junction box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a junction box.

Background

When the electromechanical equipment operates, the wiring box is required to be used for providing stable power supply, a power connector is arranged inside the common wiring box and used for power connection, copper wires of the tail-end circuit of the electromechanical equipment are plugged into the power connector, and then the copper wires are fixed inside the wiring box by using screws.

The wire installation speed is slower in this kind of mode, and when changing and installing the wire, the screw needs to be reinstalled many times simultaneously, changes the screw many times, probably leads to the mounting hole on the connector to take place the condition of smooth silk, leads to the damage of electric connector, simultaneously, for this reason, proposes a junction box.

Disclosure of Invention

The present utility model is directed to a junction box for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a junction box, includes the box, the box intermediate position has offered the slot that link up its front and back end, the slot extends to the inside below of box, a plurality of layers of arc chamber of bilateral symmetry about having been offered to the left and right sides of slot, the tooth of dialling is installed in the rotation of one side of arc intracavity portion, the partly surface at the box of dialling is exposed, the side rotation of dialling is installed the runner, be connected with the coil spring between tooth and the runner, install the cam on the runner, the cam exposes in the slot, the arc mouth has been offered on the cam, in advance knots the copper line end, forms the node, and inside the stopper is gone into the device, when copper line passes through two sets of cams, through pulling cam, can make the cam rotate, progressively pulls the wire for two cams gradually press from both sides tightly, until the terminal node can not pull out from the device, the installation of completion wire that can be more quick, avoided simultaneously the smooth silk condition to take place, and when changing the wire, also need adjust the cam that corresponds the wire place layer, make it become flexible to take out again and change the wire directly.

Preferably, the arc opening is provided with an arc which is larger than the arc of the arc surface of the cam, and a wire is arranged in the arc opening and communicated with an external power supply, so that the copper wire is prevented from falling off.

Preferably, a fixed pin is inserted on the rotating wheel, the lower part of the fixed pin is provided with a reel which penetrates through the upper end and the lower end of the rotating wheel, the bottom end of the reel is in a hollow state, the cam is convenient to rotate, and the position of the cam is adjusted through a coil spring.

Preferably, a fixed disc is arranged below the fixed pin, the fixed disc is fixedly arranged in the arc cavity, an inserting shaft is arranged on the fixed disc and inserted into the scroll, a torsion spring is connected between the inserting shaft and the scroll, and the cam position is adjusted by using the coil spring.

Preferably, the length of the scroll is longer, a gap is reserved between the rotating wheel and the fixed disc, one end of the coil spring is wound on the scroll in the gap, and the rotating wheel and the fixed disc are prevented from being contacted with the coil spring.

Preferably, a friction disk is connected below the poking teeth and is in friction connection with the arc cavity, so that the situation that the poking teeth are loose is avoided.

Preferably, a fixed rod is arranged above the shifting teeth, a fixed ring is arranged in the arc cavity and sleeved on the fixed rod, and another torsion spring is connected between the fixed ring and the fixed rod, so that the shifting teeth angle can be adjusted manually.

Compared with the prior art, the utility model has the beneficial effects that: the copper wire end is knotted in advance to form a node, the copper wire is plugged into the device, when the copper wire passes through two groups of cams, the cams can be rotated by pulling the cams, the wires are pulled gradually, the two cams are clamped gradually until the end node cannot be pulled out of the device, the installation of the wires can be completed more rapidly, the occurrence of the wire sliding condition is avoided, and when the wires are replaced, the cams corresponding to the layer where the wires are located are also only required to be adjusted to loosen, and the wires can be pulled out directly to be replaced again.

Drawings

FIG. 1 is a schematic diagram of the overall outline structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of a cam interface structure according to the present utility model;

FIG. 4 is a schematic view of a cam and tooth connection structure according to the present utility model;

fig. 5 is a schematic view of the reel mounting structure of the present utility model.

In the figure: 1. a case; 2. inserting a slit; 3. a cam; 4. tooth shifting; 5. an arc chamber; 6. a fixing ring; 7. a rotating wheel; 8. a fixing pin; 9. an arc opening; 10. a fixed plate; 11. a coil spring; 12. a friction plate; 13. a torsion spring; 14. a fixed rod; 15. a reel; 16. and (5) inserting a shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the present utility model provides a technical solution of a junction box: referring to fig. 1 to 5, a junction box, including a box 1, a slot 2 penetrating the front and rear ends of the box 1 is provided on the box 1, expansion sections towards two sides are provided at the middle part of the slot 2, an arc cavity 5 symmetrical to the front and rear is provided inside the box 1, the arc cavity 5 is communicated with the slot 2, a plurality of layers are provided inside the box 1, the slot 2 extends downwards to the arc cavity 5 of the bottom layer and does not penetrate the bottom end of the box 1, a fixed ring 6 integrally formed with the box 1 is provided in the arc cavity 5, a fixed rod 14 is inserted into the fixed ring 6, a torsion spring 13 is elastically connected with the fixed ring 6, a poking tooth 4 is integrally formed below the fixed rod 14, the poking tooth 4 protrudes out of the outer surface of the box 1, a friction disc 12 is connected below the poking tooth 4 through a connecting shaft, the friction disc 12 is in friction connection with the arc cavity 5, and one end of a coil spring 11 is wound on the connecting shaft, a fixed disk 10 is fixedly arranged at the bottom end of the inside of the arc cavity 5, an inserting shaft 16 is arranged on the fixed disk 10, a rotating wheel 7 is rotatably arranged above the fixed disk 10, a cam 3 is connected to the side of the rotating wheel 7, the cam 3 can rotate into the inserting slot 2, the cams 3 in the arc cavity 5 which are symmetrical on two sides can be butted in the inserting slot 2, a fixed pin 8 is inserted in the middle of the rotating wheel 7, a reel 15 penetrates through the upper end and the lower end of the rotating wheel 7, the bottom end of the reel 15 is in a hollow state, the inserting shaft 16 is inserted into the reel 15, meanwhile, another torsion spring 13 is sleeved on the inserting shaft 16 and is elastically connected with the reel 15, the bottom end of the reel 15 can contact with the fixed disk 10, a larger gap is reserved between the bottom end of the fixed pin 8 and the fixed disk 10, the other end of the coil spring 11 is wound on the reel 15 in the gap, the coil spring 11 is in direct contact with the fixing pin 8 and the fixing disk 10.

Working principle: the arc opening 9 arranged on the cam 3 has the conductivity, the arc opening is communicated with an external power supply through the rotating wheel 7, when the device is used, the tail end of a wire of the device which needs to be connected is subject to molting treatment, then the exposed copper wire part is knotted, the redundant part is sheared off, the contact between the redundant part and the opposite cam 3 in the inserting slot 2 is avoided, meanwhile, the copper wire of the front part without the wrapping part cannot be exposed too much, so that more exposed part is not exposed from the inserting slot 2 at the front end and dangerous is avoided, the treated wire is stuffed into the knotted part from the expansion section at the top end of the inserting slot 2, the corresponding poking teeth 4 on the arc cavity 5 of a plurality of layers are rotated towards the direction of the inserting slot 2 in advance, the coil spring 11 wound on the connecting shaft on the friction disc 12 can be released through the poking teeth 4, the coil spring 11 wound on the winding shaft 15 is in a loose state, at this time, the torsion spring 13 on the inserting shaft 16 can work to drive the reel 15 to rotate, the rotation of the reel 15 rotates the eastern fixing pin 8 and the cam 3, the rotation direction is to rotate towards the inside of the arc cavity 5, so that the cam 3 at the tail end can be separated from the inserting slit 2, at this time, the inserting slit 2 is in a through state from top to bottom, the knotted part of the inserted copper wire can directly fall to the lowest part, the lowest poking tooth 4 is slightly reversely poked, the coil spring 11 is stressed and contracted, part of the cam 3 is exposed in the inserting slit 2, the wire is contacted with the cam 3, the wire is pulled outwards, the cams 3 are simultaneously rotated towards the middle due to the outwards pulling force, and then are tightened, the contact part of the wire and the cams 3 is adjusted to the arc opening 9 on the cams 3 in the process of pulling the wire, the arc opening 9 formed on the cams 3 is not completely opened along the outer arc surface of the cams 3, the angle of seting up is gradually increased when being close to the top of cam 3 for terminal arc 9 contracts with the contact part of wire gradually, when progressively pulling the wire, two sets of cams 3 can be with the wire clamp completely in, simultaneously in order to avoid further pulling the wire, two cams 3 are rotating to the terminal when, its cambered surface takes place to contact, play the condition that stops further pulling the wire, avoid taking place danger, stir the tooth 4 layer by layer and can accomplish the installation to a plurality of wires fast, when needs take off the wire, stir the tooth 4 again to the direction of inserting seam 2 can, make two cams 3 break away from, outwards pull can take off the wire, note that the spring coefficient of coil spring 11 is greater than the spring coefficient of two torsion springs 13.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Junction box, including box (1), its characterized in that: the utility model discloses a novel electric power box, including box (1), slot (2) of link up its front and back end is offered to the intermediate position, slot (2) extend to the inside below of box (1), a plurality of layers of arc chamber (5) of bilateral symmetry are offered to the left and right sides of slot (2), one side rotation in arc chamber (5) inside is installed and is dialled tooth (4), the surface at box (1) is exposed to a part of dialling tooth (4), rotor (7) are installed in the side rotation of dialling tooth (4), be connected with wind spring (11) between dialling tooth (4) and rotor (7), install cam (3) on rotor (7), cam (3) are exposed in slot (2), arc mouth (9) have been offered on cam (3).

2. A junction box according to claim 1, wherein: the arc opening (9) is provided with an arc which is larger than the arc of the arc surface of the cam (3), and a wire is arranged in the arc opening (9) and communicated with an external power supply.

3. A junction box according to claim 1, wherein: the fixed pin (8) is inserted on the rotating wheel (7), the reel (15) penetrates through the upper end and the lower end of the rotating wheel (7) below the fixed pin (8), and the bottom end of the reel (15) is in a hollow state.

4. A junction box according to claim 3, wherein: the fixing pin is characterized in that a fixing disc (10) is arranged below the fixing pin (8), the fixing disc (10) is fixedly arranged in the arc cavity (5), an inserting shaft (16) is arranged on the fixing disc (10) and is inserted into the scroll (15), and a torsion spring (13) is connected between the inserting shaft (16) and the scroll (15).

5. A junction box according to claim 3, wherein: the length of the scroll (15) is longer, a gap is reserved between the rotating wheel (7) and the fixed disc (10), and one end of the coil spring (11) is wound on the scroll (15) in the gap.

6. A junction box according to claim 1, wherein: the friction disc (12) is connected to the lower portion of the poking tooth (4), and the friction disc (12) is in friction connection with the arc cavity (5).

7. A junction box according to claim 1, wherein: a fixed rod (14) is arranged above the poking teeth (4), a fixed ring (6) is arranged in the arc cavity (5) and sleeved on the fixed rod (14), and another torsion spring (13) is connected between the fixed ring (6) and the fixed rod (14).

Images