CN110416941A - A movable junction box for circuit cables - Google Patents

Abstract

The invention discloses a movable junction box for a circuit cable, which comprises a casing, and the two ends of the casing are provided with an incoming wire structure for the cable to enter, and the casing is also provided with a wire structure for fixing the cable and connecting a lead wire. A common wiring structure, the upper side wall of the housing is symmetrically provided with an upper sliding groove centered on the wiring structure, the lower side wall of the housing is symmetrically provided with a lower sliding groove centered on the wiring structure, the upper sliding groove Corresponding to the lower sliding groove, the upper sliding groove and the lower sliding groove on the same side are respectively slidably installed with a lead wire clamping structure for fixing the pulling cable. The clamping structure of the lead wire in the present invention can assist in fixing the end of the cable to avoid falling off during the wiring, and at the same time, it can also clamp the part of the cable that has been stripped of insulation protection away from the position of the wire to improve safety; turn the second adjusting screw Adjusting the lowering of the wiring block and clamping the cable with the wiring groove has the effects of more stable clamping, more convenient wiring, and safer lead wires 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 disciplines or engineering fields such as the production, transmission, distribution, use, and electrical equipment manufacturing of electric energy. It is a science to create, maintain and improve 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, applied technology, facilities and equipment, etc.

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

In the prior art, the cable connection is mostly connected by twisting and twisting, and the connection stability, resistance and safety during the connection process are relatively poor.

Contents of the invention

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

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

A movable junction box for circuit cables, comprising a casing, both ends of the casing are provided with an incoming wire structure for the cable to enter, and the casing is also provided with a wiring structure for fixing the cable and connecting it to conduction The upper side wall of the housing is provided with an upper sliding groove symmetrically centered on the wiring structure, the lower side wall of the housing is symmetrically provided with a lower sliding groove centering on the wiring structure, and the upper sliding groove and the lower sliding groove Correspondingly, the upper sliding groove and the lower sliding groove on the same side are respectively slidingly installed with lead wire clamping structures for fixing the pulling cables.

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

Further, an upper compression pad and a lower compression 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 compression pad and the lower compression pad are in the shape of a truncated cone As for the rubber pad, the height of the upper end surface of the lower pressing pad is not lower than the lower inner wall of the housing.

Further, the wire inlet structure includes a wire inlet provided through the end side of the housing and an assembly groove embedded above the wire inlet, and an end cover is provided in the assembly groove through 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 a sub-curved line clamping opening, and the end cover and the clamping line opening The lower surface is attached with a fixed rubber pad.

Further, the wiring structure includes multiple sets of telescopic rods symmetrically arranged on the inner upper wall of the casing and a junction block connected and fixed at the lower end of the telescopic rods, and an adapted wiring groove is embedded in the bottom of the casing relative to the junction block .

Further, the junction 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 to the lower end of the telescopic rod, and the center of the upper end of the insulating ceramic gasket A second adjusting screw is also provided through a bearing rotation connection, and the second adjusting screw moves through the upper wall of the housing through threaded engagement.

Compared with the prior art, the beneficial effect of the present invention is that the cable enters the housing through the cable inlet, and the end cover elastically clamps and fixes the cable, and at this time, the end of the cable passes through the upper pressing pad and the lower pressing pad. Tighten the spacer, and adjust the movable plate by turning the first adjustment screw to lower, so that the upper and lower compression spacers are used to clamp and fix the cable, and the lead wire clamping structure is slid on the upper sliding groove and the lower sliding groove , can assist in fixing the cable end to avoid falling off in the wiring, and can also clamp the part of the cable that has been stripped of insulation protection away from the incoming position to improve safety; the lead wire clamping structure on both sides holds the cable end After converging towards 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. Such a structural design, compared with the existing The structured cable connection method has the effects of more stable clamping, more convenient wiring, and safer leads and controls.

Description of drawings

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

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

Fig. 3 is a schematic structural view of an end cover in a movable junction box for a circuit cable.

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

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-2. In an embodiment of the present invention, a movable junction box for circuit cables includes a housing 1, and both ends of the housing 1 are provided with an incoming wire structure for cables to enter, and the housing 1 1 is also provided with a wiring structure for fixing cables and connecting them. The upper side wall of the housing 1 is symmetrically provided with an upper sliding groove 5 centered on the wiring structure. A lower sliding groove 6 is arranged symmetrically through the center, and the upper sliding groove 5 and the lower sliding groove 6 are arranged correspondingly, and the upper sliding groove 5 and the lower sliding groove 6 on the same side are respectively slidably installed with lead wires for fixing the pulling cables Clamping structure, the lead clamping structure includes an upper sliding plate 7 that is slidably fitted in the upper sliding groove 5, a lower sliding plate 9 that is slidably fitted in the lower sliding groove 6, and a plurality of connecting upper sliding plate 7 and the lower sliding plate 9. A set of connecting rods 8, on which a movable plate 10 is slidably fitted, and the upper end of the movable plate 10 is connected with a first adjusting screw 11 through bearing rotation, and the first adjusting screw 11 slides through the upper end through threaded cooperation. The plate 7 and the end are rotationally connected with the upper end of the movable plate 10, and an upper pressing pad 12 and a lower pressing pad 13 are correspondingly arranged between the lower end of the movable plate 10 and the upper end of the lower sliding plate 9, and the upper pressing pad The block 12 and the lower pressing pad 13 are all truncated rubber pads, and the height of the upper end surface of the lower pressing pad 13 is not lower than the lower inner wall of the housing 1 .

The wire inlet structure includes a wire inlet 2 provided through the end side of the housing 1 and an assembly groove 3 embedded above the wire inlet 2. The assembly groove 3 is provided with an end cover 4 through a spring sliding assembly, and the cable It enters the housing 1 through the cable inlet 2, and the end cover 4 elastically clamps and fixes the cable. 11 The adjustment drives the movable plate 10 to descend, so that the upper pressing pad 12 and the lower pressing pad 13 are used to clamp and fix the 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 used to avoid falling off during wiring, and at the same time, the part of the cable that has been stripped of insulation protection can be clamped away from the incoming 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 housing 1 and a terminal block 15 connected and fixed at the lower end of the telescopic rods 14. The inner bottom of the housing 1 is embedded with the terminal block 15 at the opposite position. Adapted junction slot 16, the junction block 15 is composed of a conical copper-based conductive block and an insulating ceramic gasket positioned above the copper-based conductive block, the insulating ceramic gasket is connected and fixed to the lower end of the telescopic rod 14, and the 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, and the second adjusting screw 17 runs through the upper wall of the housing 1 through threaded cooperation. The rotation of the second adjusting screw 17 can adjust the terminal block 15 The telescopic rod 14 is used for lifting, so that after the lead wire clamping structure on both sides converges the cable ends to the middle, the cable ends are gradually placed above the wiring groove 16, and the second adjusting screw 17 is turned to adjust the wiring block 15 to descend and cooperate with the wiring The groove 16 clamps the end of the cable 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

Please refer to Fig. 3, in the embodiment of the present invention, a movable junction box of 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 sub-arc-shaped clamping port 41. The end cover 4 and the clamping port 41 A fixed rubber pad 42 is attached to the lower surface, and the fixed rubber pad 42 is a soft pad made of silica gel. In this way, the handle protrusion on the surface of the end cover 4 can be used to press the end cover 4 into the assembly groove 3. After the cable is inserted, the end cover 4 can be loosened to compress the cable elastically by the spring, and the cable is placed In the clamping port 41, and with the fixing rubber pad 42, the cable can be fixed. This kind of fixing is more flexible than bolt fixing, and on the basis of the wire clamping structure and the wiring structure fixing the cable, the fixing here is not A non-movable fixing method is required, elastic fixing is enough to avoid the shaking of the line, which can also facilitate the extra length of the cable to continue to extend into the housing 1 through the cable clamping port 41 .

The working principle of the present invention is: 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 by turning the first adjusting screw 11 to adjust and drive the movable plate 10 to descend, thereby using the upper compression pad 12 and the lower compression pad 13 to clamp and fix the cable, and slide on the upper sliding groove 5 and the lower sliding groove 6 The clamping structure of the lead wire can assist in fixing the end of the cable to avoid falling off during the wiring. At the same time, it can also clamp the part of the cable whose insulation protection is stripped away from the incoming position to improve safety; the clamping structure of the lead wire on both sides After the cable ends are converged to the middle, the cable ends are gradually placed above the wiring groove 16, and the second adjusting screw 17 is turned to adjust the wiring block 15 to descend and cooperate with the wiring groove 16 to clamp the cable ends, so as to realize the conduction of the cables. Compared with the cable connection method of the existing structure, such a structural design has the effects of more stable clamping, more convenient wiring, and safer leads and controls.

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

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

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

Claims (7)

1. A movable junction box for circuit cables, including a housing (1), both ends of the housing (1) are provided with an incoming wire structure for cables to enter, and the housing (1) is also equipped with a The wiring structure for fixing cables and connecting them is characterized in that the upper side wall of the housing (1) is provided with an upper sliding groove (5) symmetrically centered on the wiring structure, and the lower side wall of the housing (1) A lower sliding groove (6) is arranged symmetrically through the side wall with the wiring structure as the center, the upper sliding groove (5) and the lower sliding groove (6) are arranged correspondingly, and the upper sliding groove (5) and the lower sliding groove ( 6) The upper side is respectively slidingly installed with a lead wire clamping structure for fixing the traction cable. 2. A movable junction box for circuit cables according to claim 1, characterized in that, the lead clamping structure includes an upper sliding plate (7) slidingly fitted in the upper sliding groove (5), a sliding fitting The lower sliding plate (9) in the lower sliding groove (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 slidingly fitted with The movable plate (10), the upper end of the movable plate (10) is rotatably connected with the first adjusting screw (11) through the bearing, and the first adjusting screw (11) runs through the upper sliding plate (7) through threaded cooperation and the end is connected with the The movable plate (10) upper end is rotated and connected. 3. A movable junction box for circuit cables according to claim 2, characterized in that an upper pressing pad is correspondingly arranged between the lower end of the movable plate (10) and the upper end of the lower sliding plate (9) (12) and the lower compression pad (13), the upper compression pad (12) and the lower compression pad (13) are conical rubber pads, and the lower compression pad ( 13) The height of the upper end surface is not lower than the lower inner wall of the housing (1). 4. A movable junction box for circuit cables according to claim 1, characterized in that, the wire inlet structure includes a wire inlet (2) provided through the end side of the housing (1) and an embedded An assembly groove (3) above the line port (2), in which an end cover (4) is installed through spring sliding assembly. 5. A movable junction box for circuit cables according to claim 4, characterized in that, the end cover (4) is a thin plate of insulating material, and the surface of the end cover (4) is provided with a handle protrusion, so that The middle part of the lower surface of the end cover (4) is embedded with a sub-curved cable opening (41), and the lower surface of the end cover (4) and the cable opening (41) is attached with a fixed rubber pad (42) . 6. A movable junction box for circuit cables according to claim 1, characterized in that, the junction structure includes multiple sets of telescopic rods (14) symmetrically arranged on the inner upper wall of the casing (1) and connecting and fixing In the junction block (15) at the lower end of the telescopic rod (14), an adapted junction slot (16) is embedded in the position opposite to the junction block (15) at the inner bottom of the housing (1). 7. A movable junction box for circuit cables according to claim 6, characterized in that the junction block (15) consists of a conical copper-based conductive block and an insulating ceramic gasket located above the copper-based conductive block Composition, the insulating ceramic spacer is connected and fixed to the lower end of the telescopic rod (14), and the center of the upper end of the insulating ceramic spacer is also provided with a second adjusting screw (17) through bearing rotation connection, and the second adjusting screw (17) The upper wall of the casing (1) is penetrated through the thread fit activity.