CN110416941B - A movable junction box for circuit cables - Google Patents

Abstract

The invention discloses a movable junction box for circuit cables, comprising a casing, both ends of the casing are provided with wire entry structures for cable entry, and the casing is also provided with cables for fixing cables and connecting conductors. The upper side wall of the casing is symmetrically arranged with an upper sliding slot centered on the wiring structure, and the lower side wall of the casing is symmetrically arranged with a lower sliding slot centered around the wiring structure. Corresponding to the lower sliding groove, the upper sliding groove and the lower sliding groove on the same side are respectively slidably installed with lead wire clamping structures for fixing the traction cable. The lead wire clamping structure of the present invention can assist in fixing the end of the cable to prevent it from falling off during wiring, and at the same time, the part of the cable whose insulation protection has been stripped can be clamped away from the incoming wire position to improve safety; rotate the second adjusting screw Adjusting the lowering of the terminal block and clamping the cable with the wiring slot has the effect of more stable clamping, more convenient wiring, and safer lead and control.

Description

A movable junction box for circuit cables

technical field

The invention relates to the field of electrical technology, in particular to a movable junction box for circuit cables.

Background technique

Electricity is a general term for the production, transmission, distribution, use of electrical energy and the manufacture of electrical equipment and other disciplines or engineering fields. It is a science that creates, maintains and improves limited space and environment by means of electrical energy, electrical equipment and electrical technology, covering three aspects of electrical energy conversion, utilization and research, including basic theory, application technology, facilities and equipment.

Power cable connection is a basic process in the electrical industry, and it is also a very important process. The quality of the wire connection is directly related to whether the entire line can run safely and reliably for a long time. The basic requirements for wire connection are: firm and reliable connection, small joint resistance, high mechanical strength, corrosion resistance and oxidation resistance, and good electrical insulation performance.

In the prior art, cables are mostly connected by means of twisted and twisted connections, and the connection stability, resistance and safety during the connection process are relatively poor.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a movable junction box for circuit cables, so as to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A movable junction box for circuit cables, including a casing, both ends of the casing are provided with wire entry structures for cable entry, and the casing is also provided with wiring structures for fixing the cables and connecting and conducting. The upper side wall of the casing is symmetrically arranged with an upper sliding slot centered on the wiring structure, and the lower side wall of the casing is symmetrically arranged with a lower sliding slot centered on the wiring structure. The upper sliding slot and the lower sliding slot Correspondingly, the upper sliding groove and the lower sliding groove on the same side are respectively slidably installed with lead wire clamping structures for fixing the traction cable.

Further, the lead wire clamping structure includes an upper sliding plate slidably fitted in the upper sliding groove, a lower sliding plate slidably fitted in the lower sliding groove, and a plurality of sets of connecting rods connecting the upper sliding plate and the lower sliding plate. A movable plate is slidably fitted on the rod, the upper end of the movable plate is rotatably connected with a first adjusting screw rod through a bearing, and the first adjusting screw rod passes through the upper sliding plate through threaded cooperation and is rotatably connected with the upper end of the movable plate.

Further, an upper pressing pad and a lower pressing pad are correspondingly arranged between the lower end of the movable plate and the upper end of the lower sliding plate, and both the upper pressing pad and the lower pressing pad are in the shape of a truncated cone. Rubber pad, the height of the upper end face of the lower pressing pad is not lower than the inner wall of the inner lower side of the casing.

Further, the wire feed structure includes a wire feed port provided through the end side of the housing and an assembly groove embedded above the wire feed port, wherein an end cover is installed in the assembly groove through a spring sliding assembly.

Further, the end cover is a thin plate of insulating material, the surface of the end cover is provided with a handle protrusion, and the middle part of the lower surface of the end cover is embedded with an inferior arc-shaped clip opening, the end cap and the clip opening are A fixed rubber pad is attached to the lower surface.

Further, the wiring structure includes a plurality of sets of telescopic rods symmetrically arranged on the upper wall of the housing and a wiring block connected and fixed at the lower end of the telescopic rod, and a suitable wiring slot is also embedded in the relative position of the bottom of the housing and the wiring block. .

Further, the connection block is composed of a conical copper-based conductive block and an insulating ceramic gasket located above the copper-based conductive block. The insulating ceramic gasket is connected and fixed with the lower end of the telescopic rod, and the center of the upper end of the insulating ceramic gasket is fixed. A second adjusting screw is also provided in a rotational connection through the bearing, and the second adjusting screw penetrates through the upper wall of the casing through thread matching.

Compared with the prior art, the beneficial effect of the present invention is that the cable enters the housing through the cable inlet, the end cover elastically clamps and fixes the cable, and at this time, the end of the cable passes through the upper compression pad and the lower pressure. Tighten the pad, and adjust the movable plate to descend by rotating the first adjusting screw, so that the upper and lower pressing pads are used to clamp the fixed cable, and the lead wire clamping structure is slid on the upper sliding groove and the lower sliding groove. , which can assist in fixing the end of the cable to avoid falling off during wiring, and can also clamp the part of the cable that has been stripped of insulation protection away from the incoming line to improve safety; the lead clamping structure on both sides holds the cable end After converging to the middle, the end of the cable is gradually placed above the wiring slot, and the second adjusting screw is turned to adjust the wiring block to descend and cooperate with the wiring slot to clamp the end of the cable, so as to realize the conduction of the cable. The structured cable connection method has the effect of more stable clamping, more convenient wiring, and safer lead and control.

Description of drawings

FIG. 1 is a schematic structural diagram of a movable junction box of a circuit cable.

FIG. 2 is a schematic structural diagram of a lead wire clamping structure in a movable junction box of a circuit cable.

FIG. 3 is a schematic structural diagram of an end cover in a movable junction box of a circuit cable.

In the picture: 1-shell, 2-wire inlet, 3-assembly slot, 4-end cover, 41-cable slot, 42-fixing rubber pad, 5-upper sliding slot, 6-lower sliding slot, 7- Upper sliding plate, 8-connecting rod, 9-lower sliding plate, 10-movable plate, 11-first adjusting screw, 12-upper compression pad, 13-lower compression pad, 14- telescopic rod, 15- Terminal block, 16-connection slot, 17-second adjusting screw.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Referring to FIGS. 1 to 2 , in an embodiment of the present invention, a movable junction box for a circuit cable includes a casing 1 , both ends of the casing 1 are provided with wire entry structures for cable entry, and the casing 1 is also provided with a wiring structure for fixing cables and connecting and conducting. The upper side wall of the housing 1 is symmetrically provided with an upper sliding slot 5 centered on the wiring structure, and the lower side wall of the housing 1 is provided with a wiring structure. A lower sliding slot 6 is arranged symmetrically through the center. The upper sliding slot 5 and the lower sliding slot 6 are correspondingly arranged. The upper sliding slot 5 and the lower sliding slot 6 on the same side are respectively slidably installed with lead wires for fixing the traction cable. The clamping structure includes an upper sliding plate 7 slidably fitted in the upper sliding groove 5 , a lower sliding plate 9 slidably fitted in the lower sliding groove 6 , and a multiple connecting the upper sliding plate 7 and the lower sliding plate 9 . A connecting rod 8 is assembled, a movable plate 10 is provided on the connecting rod 8 in a sliding fit, and the upper end of the movable plate 10 is rotatably connected with a first adjusting screw 11 through a bearing. The upper end of the plate 7 is rotatably connected to the upper end of the movable plate 10. Between the lower end of the movable plate 10 and the upper end of the lower sliding plate 9, an upper compression pad 12 and a lower compression pad 13 are correspondingly arranged. The upper compression pad The block 12 and the lower pressing pad 13 are both circular truncated rubber pads, and the height of the upper end surface of the lower pressing pad 13 is not lower than the inner wall of the inner lower side of the housing 1 .

The wire inlet structure includes a wire inlet 2 disposed through the end side of the housing 1 and an assembly groove 3 embedded above the wire inlet 2. An end cover 4 is installed in the assembly groove 3 through a spring sliding assembly, and the cable is installed. The cable enters the housing 1 through the cable inlet 2, and the end cover 4 elastically clamps and fixes the cable. At this time, the end of the cable passes through the upper compression pad 12 and the lower compression pad 13, and rotates the first adjusting screw 11 Adjust to drive the movable plate 10 down, so that the upper pressing pad 12 and the lower pressing pad 13 are used to clamp the fixed cable, and the lead wire clamping structure is slid on the upper sliding groove 5 and the lower sliding groove 6, which can assist in fixing the wire The end of the cable can be prevented from falling off during wiring, and the part of the cable that has been stripped of insulation protection can be clamped away from the incoming cable position to improve safety.

The wiring structure includes a plurality of sets of telescopic rods 14 symmetrically arranged on the inner upper wall of the casing 1 and a terminal block 15 connected and fixed on the lower end of the telescopic rod 14 . The adapted wiring slot 16, the wiring block 15 is composed of a conical copper-based conductive block and an insulating ceramic gasket located above the copper-based conductive block. The insulating ceramic gasket is connected and fixed with the lower end of the telescopic rod 14. The said The center of the upper end of the insulating ceramic gasket is also provided with a second adjusting screw 17 through a bearing rotation connection. The telescopic rod 14 is used for lifting and lowering, so that after the lead wire clamping structures on both sides converge the cable ends to the middle, the cable ends are gradually placed above the wiring slot 16, and the second adjusting screw 17 is rotated to adjust the wiring block 15 to descend and match the wiring. The groove 16 clamps the end of the cable, so as to realize the conduction of the cable. Compared with the cable connection method of the existing structure, this structural design has the effects of more stable clamping, more convenient wiring, and safer lead and control.

Example 2

Referring to FIG. 3 , in an embodiment of the present invention, a movable junction box for a circuit cable, on the basis of Embodiment 1, the end cover 4 is a thin plate of insulating material, preferably insulating ceramic or hard polymer material, so The surface of the end cover 4 is pasted, welded or integrally formed with a handle protrusion, and the middle part of the lower surface of the end cover 4 is embedded with a slot 41 of inferior arc shape. A fixing rubber pad 42 is attached to the lower surface, and the fixing rubber pad 42 is a soft pad made of silicone material. In this way, during use, the end cover 4 can be pressed into the assembly groove 3 through the handle protrusion on the surface of the end cover 4. After the cable is inserted, the end cover 4 can be released and the cable can be elastically compressed by the spring. In the cable socket 41, and with the fixing rubber pad 42, the cable can be fixed. This type of fixing is more flexible than bolt fixing, and on the basis of the lead wire clamping structure and the wiring structure fixing the cable, the fixing here is not necessary. An immovable fixing method is required, and elastic fixing is sufficient to prevent the line from shaking, which can also facilitate the cables of excess length to continue to extend into the housing 1 through the cable opening 41 .

The working principle of the present invention is as follows: the cable enters the housing 1 through the cable inlet 2, the end cover 4 elastically clamps and fixes the cable, and the end of the cable passes through the upper compression pad 12 and the lower compression pad at this time. 13, and adjust and drive the movable plate 10 to descend by rotating the first adjusting screw 11, so as to use the upper pressing pad 12 and the lower pressing pad 13 to clamp the fixed cable and slide on the upper sliding slot 5 and the lower sliding slot 6 The lead wire clamping structure can assist in fixing the end of the cable to avoid falling off during wiring, and at the same time, it can also clamp the outer part of the cable that has been stripped of insulation protection away from the incoming cable position to improve safety; the lead wire clamping structure on both sides After the end of the cable is converged to the middle, the end of the cable is gradually placed above the wiring slot 16, and the second adjusting screw 17 is rotated to adjust the wiring block 15 to descend and cooperate with the wiring slot 16 to clamp the end of the cable, so as to realize the conduction of the cable. Such a structural design, compared with the cable connection method of the existing structure, has the effects of more stable clamping, more convenient wiring, and safer lead and control.

The standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection methods of each part are all mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the appended claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A movable junction box for circuit cables, comprising a casing (1), both ends of the casing (1) are provided with wire entry structures for cable entry, and the casing (1) is also provided with A wiring structure for fixing cables and connecting and conducting, characterized in that, an upper sliding groove (5) is symmetrically penetrated through the upper side wall of the casing (1) with the wiring structure as the center, and an upper sliding groove (5) is arranged symmetrically through the upper side wall of the casing (1). The side wall is symmetrically provided with a lower sliding groove (6) with the wiring structure as the center, the upper sliding groove (5) and the lower sliding groove (6) are correspondingly arranged, and the upper sliding groove (5) and the lower sliding groove ( 6) A lead wire clamping structure for fixing the traction cable is respectively slidably installed on the upper part. The lower sliding plate (9) in 6) and multiple sets of connecting rods (8) connecting the upper sliding plate (7) and the lower sliding plate (9), the connecting rods (8) are slidably provided with a movable plate (10) ), the upper end of the movable plate (10) is rotatably connected with a first adjustment screw (11) through a bearing, and the first adjustment screw (11) is threaded through the upper sliding plate (7) and the end is connected to the movable plate (10). ) to turn the upper end of the connection. 2 . The movable junction box for circuit cables according to claim 1 , wherein an upper compression pad is correspondingly arranged between the lower end of the movable plate ( 10 ) and the upper end of the lower sliding plate ( 9 ). 3 . (12) and the lower compression pad (13), the upper compression pad (12) and the lower compression pad (13) are both circular truncated rubber pads, and the lower compression pad ( 13) The height of the upper end surface is not lower than the inner wall of the inner and lower sides of the casing (1). 3. A movable junction box for circuit cables according to claim 1, characterized in that the wire inlet structure comprises a wire inlet (2) provided through the end side of the casing (1) and a wire inlet (2) embedded in the inlet An assembly groove (3) above the wire opening (2) is provided with an end cover (4) in the assembly groove (3) through a spring sliding assembly. 4 . The movable junction box for circuit cables according to claim 3 , wherein the end cover ( 4 ) is a thin plate of insulating material, and the surface of the end cover ( 4 ) is provided with handle protrusions. A slot (41) of inferior arc shape is embedded in the middle of the lower surface of the end cover (4), and a fixing rubber pad (42) is attached to the lower surfaces of the end cap (4) and the slot (41). . 5. A movable junction box for circuit cables according to claim 1, characterized in that the wiring structure comprises a plurality of sets of telescopic rods (14) symmetrically arranged on the inner upper wall of the housing (1), and a connection and a fixed connection On the terminal block (15) at the lower end of the telescopic rod (14), a suitable wiring slot (16) is embedded in the inner bottom of the housing (1) relative to the terminal block (15). 6 . The movable junction box for circuit cables according to claim 5 , wherein the junction block ( 15 ) consists of a conical copper-based conductive block and an insulating ceramic gasket located above the copper-based conductive block. 7 . The insulating ceramic gasket is connected and fixed with the lower end of the telescopic rod (14), and the center of the upper end of the insulating ceramic gasket is also provided with a second adjusting screw (17) through the bearing rotation connection, and the second adjusting screw (17) The upper wall of the casing (1) is penetrated through the thread fit movement.

Images