CN110416941B

CN110416941B - Movable junction box of circuit cable

Info

Publication number: CN110416941B
Application number: CN201910608312.3A
Authority: CN
Inventors: 万元强
Original assignee: Xuzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Xuzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-11-03
Anticipated expiration: 2039-07-08
Also published as: CN110416941A

Abstract

The invention discloses a movable junction box of a circuit cable, which comprises a shell, wherein wire inlet structures for the cable to enter are arranged at two ends of the shell, a wiring structure for fixing the cable and connecting and conducting is also arranged in the shell, the upper side wall of the shell is symmetrically provided with upper sliding grooves in a penetrating manner by taking the wiring structure as the center, the lower side wall of the shell is symmetrically provided with lower sliding grooves in a penetrating manner by taking the wiring structure as the center, the upper sliding grooves and the lower sliding grooves are correspondingly arranged, and the upper sliding grooves and the lower sliding grooves on the same side are respectively provided with a lead clamping structure for fixing and drawing the cable in a sliding manner. The lead clamping structure can assist in fixing the tail end of the cable, avoids falling off in wiring, and can clamp the part of the periphery of the cable with insulation protection removed away from the wire inlet position, so that the safety is improved; the second adjusting screw rod is rotated to adjust the descending of the wiring block and is matched with the wiring groove to clamp the cable tightly, so that the cable clamping device has the effects of more stable clamping, more convenient wiring and safer lead and control.

Description

Movable junction box of circuit cable

Technical Field

The invention relates to the technical field of electricity, in particular to a movable junction box of a circuit cable.

Background

Electricity is a generic term in the disciplines or engineering fields of production, transmission, distribution, use, and manufacture of electrical equipment for electrical energy. The method is a science for creating, maintaining and improving limited space and environment by taking electric energy, electric equipment and electric technology as means, and covers three aspects of conversion, utilization and research of the electric energy, including basic theory, application technology, facility equipment and the like.

The connection of power cables is a basic process and also an important process for electrician work. The quality of the wire connection is directly related to whether the entire line can be operated safely and reliably for a long period of time. The basic requirements for the wire connection are: firm and reliable connection, small joint resistance, high mechanical strength, corrosion resistance, oxidation resistance and good electrical insulation performance.

In the prior art, the cable connection is mostly connected in a winding and twisting connection mode, and the connection stability, the resistance and the safety in the connection process are relatively poor.

Disclosure of Invention

The present invention is directed to a movable terminal box of a circuit cable, so as to solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a movable junction box of circuit cable, includes the casing, the casing both ends all are equipped with the inlet wire structure that is used for the cable to get into, and still are equipped with in the casing and are used for fixed cable and connect the wiring structure that switches on, the lateral wall uses the wiring structure to run through as central symmetry and is provided with the sliding tray on the casing, the lateral wall uses the wiring structure to run through as central symmetry and is provided with down the sliding tray under the casing, go up the sliding tray and correspond the setting with the sliding tray down, be provided with the lead wire clamping structure who is used for fixed traction cable with sliding tray on the last sliding tray of one side and the lower.

Furthermore, the lead clamping structure comprises an upper sliding plate in sliding fit with the upper sliding groove, a lower sliding plate in sliding fit with the lower sliding groove, and a plurality of groups of connecting rods for connecting the upper sliding plate and the lower sliding plate, wherein the connecting rods are provided with the movable plates in sliding fit, the upper ends of the movable plates are rotatably connected with a first adjusting screw rod through bearings, and the first adjusting screw rod penetrates through the upper sliding plate in a threaded fit manner and is rotatably connected with the upper ends of the movable plates at the tail ends.

Furthermore, an upper pressing cushion block and a lower pressing cushion block are correspondingly arranged between the lower end of the movable plate and the upper end of the lower movable plate, the upper pressing cushion block and the lower pressing cushion block are both circular table-shaped rubber cushion blocks, and the height of the upper end face of the lower pressing cushion block is not lower than that of the inner wall of the inner side of the shell.

Furthermore, the inlet wire structure includes the inlet wire that runs through the terminal side setting of casing and the embedding sets up the assembly groove in inlet wire top, be provided with the end cover through the assembly of spring slip in the assembly groove.

Furthermore, the end cover is an insulating material sheet, the surface of the end cover is provided with a handle protrusion, the middle of the lower surface of the end cover is embedded with a line clamping opening in the shape of an inferior arc, and the lower surfaces of the end cover and the line clamping opening are attached to be provided with a fixed rubber mat.

Furthermore, wiring structure includes that the symmetry sets up the multiunit telescopic link of upper wall in the casing and connects and fix the wiring piece at the telescopic link lower extreme, bottom and wiring piece relative position still imbed the wiring groove that is provided with the adaptation in the casing.

Furthermore, the wiring 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 fixedly connected with the lower end of the telescopic rod, the center of the upper end of the insulating ceramic gasket is rotatably connected with a second adjusting screw rod through a bearing, and the second adjusting screw rod movably penetrates through the upper wall of the shell through thread matching.

Compared with the prior art, the invention has the beneficial effects that: the cable enters the shell through the wire inlet, the end cover elastically clamps and fixes the cable, the tail end of the cable penetrates through the upper pressing cushion block and the lower pressing cushion block and drives the movable plate to descend by rotating the first adjusting screw rod, so that the cable is clamped and fixed by the upper pressing cushion block and the lower pressing cushion block, and the lead clamping structure slides on the upper sliding groove and the lower sliding groove, so that the tail end of the cable can be fixed in an auxiliary manner, the cable is prevented from falling off in a wiring process, and meanwhile, the part of the periphery of the cable with insulation protection removed can be clamped and kept away from the wire inlet position, and the safety is improved; lead wire clamping structure in both sides assembles the back with the cable end to the middle part, and the wiring groove top is arranged in gradually to the cable end, rotates second adjusting screw and adjusts the terminal block decline and cooperate the wiring groove to press from both sides tight cable end to realize switching on of cable, such structural design, for the cable connected mode of current structure, have the centre gripping more stable, the wiring is more convenient, lead wire and control effect safer.

Drawings

Fig. 1 is a schematic structural view of a movable junction box of a circuit cable.

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

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

In the figure: 1-shell, 2-wire inlet, 3-assembly groove, 4-end cover, 41-wire clamping port, 42-fixed rubber mat, 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 rod, 12-upper pressing cushion block, 13-lower pressing cushion block, 14-telescopic rod, 15-wiring block, 16-wiring groove and 17-second adjusting screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, a movable junction box for a circuit cable includes a housing 1, where both ends of the housing 1 are provided with wire feeding structures for a cable to enter, the housing 1 is further provided with a wiring structure for fixing a cable and connecting and conducting, an upper side wall of the housing 1 is symmetrically provided with an upper sliding groove 5 by taking the wiring structure as a center, a lower side wall of the housing 1 is symmetrically provided with a lower sliding groove 6 by taking the wiring structure as a center, the upper sliding groove 5 and the lower sliding groove 6 are correspondingly arranged, a lead clamping structure for fixing a traction cable is respectively slidably mounted on the upper sliding groove 5 and the lower sliding groove 6 on the same side, the lead 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 plurality of groups of connecting rods 8 connecting the upper sliding plate 7 and the lower sliding plate 9, sliding fit is provided with fly leaf 10 on the connecting rod 8, fly leaf 10 upper end is rotated through the bearing and is connected with first adjusting screw 11, first adjusting screw 11 runs through upper sliding plate 7 and terminal and fly leaf 10 upper end through the screw-thread fit activity and rotates and be connected, still correspond between fly leaf 10 lower extreme and the lower sliding plate 9 upper end and be provided with and compress tightly cushion 12 and compress tightly cushion 13 down, on compress tightly cushion 12 with compress tightly cushion 13 down and be round platform shape rubber cushion, it is not less than to compress tightly cushion 13 up end height down downside inner wall in the casing 1.

The inlet wire structure is including the inlet wire 2 that runs through 1 distolateral setting of casing and embedding setting up the assembly groove 3 in inlet wire 2 top, it is provided with end cover 4 to slide the assembly through the spring in the assembly groove 3, the cable enters into casing 1 through inlet wire 2, the fixed cable of 4 elastic clamping of end cover, the cable end is passed and is compressed tightly cushion 12 and compress tightly cushion 13 down, and adjust through rotating first adjusting screw 11 and drive fly leaf 10 and descend, thereby utilize and compress tightly cushion 12 and compress tightly cushion 13 centre gripping fixed cable down, slide the lead wire clamping structure on last sliding tray 5 and lower sliding tray 6, can assist fixed cable end, avoid droing in the wiring, also can keep away from the inlet wire position with the partial centre gripping that the peripheral insulation protection of cable was peeled off simultaneously, improve the security.

The wiring structure comprises a plurality of groups of telescopic rods 14 symmetrically arranged on the inner upper wall of a shell 1 and a wiring block 15 connected and fixed to the lower end of the telescopic rods 14, a wiring groove 16 which is provided with an adaptive part is further embedded in the position, opposite to the wiring block 15, of the inner bottom of the shell 1, the wiring block 15 consists 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 rods 14, a second adjusting screw 17 is rotatably connected and arranged in the center of the upper end of the insulating ceramic gasket through a bearing, the second adjusting screw 17 penetrates through the upper wall of the shell 1 through thread matching activity, the wiring block 15 can be adjusted through rotation of the second adjusting screw 17 to lift through the telescopic rods 14, and therefore, after the tail ends of cables are gathered towards the middle part by the lead clamping, rotate second adjusting screw 17 and adjust the terminal of lug 15 decline and cooperate wiring groove 16 to press from both sides tight cable end to realize switching on of cable, such structural design for the cable connected mode of current structure, has the centre gripping more stable, the wiring is more convenient, lead wire and control effect safer.

Example 2

Referring to fig. 3, in an embodiment of the present invention, based on embodiment 1, an end cover 4 is a thin plate made of an insulating material, preferably, an insulating ceramic or a hard polymer material, a handle protrusion is disposed on a surface of the end cover 4 by adhering, welding or integrally forming, a wire clamping opening 41 in an inferior arc shape is embedded in a middle portion of a lower surface of the end cover 4, a fixing rubber pad 42 is attached to lower surfaces of the end cover 4 and the wire clamping opening 41, and the fixing rubber pad 42 is a silica gel cushion. Like this when using through the handle arch on end cover 4 surface can be impressed end cover 4 in the assembly tank 3, the cable stretches into the back and loosens end cover 4 and can compress tightly the cable through spring elasticity, the cable is arranged in card line mouth 41, and the fixed cushion 42 of cooperation can fix the cable, this kind of fixed is compared in bolt fastening more nimble, and on the basis of the fixed cable of lead wire clamping structure cooperation wiring structure, the fixed mode that can't remove that does not need of this department, elastic fixation avoids the circuit to rock can, so can also make things convenient for the cable of unnecessary length to continue to stretch into in the casing 1 through card line mouth 41.

The working principle of the invention is as follows: the cable enters the shell 1 through the wire inlet 2, the end cover 4 elastically clamps and fixes the cable, the tail end of the cable penetrates through the upper pressing cushion block 12 and the lower pressing cushion block 13 at the moment, and the movable plate 10 is adjusted and driven to descend by rotating the first adjusting screw rod 11, so that the cable is clamped and fixed by the upper pressing cushion block 12 and the lower pressing cushion block 13, and the lead clamping structure slides on the upper sliding groove 5 and the lower sliding groove 6, so that the tail end of the cable can be fixed in an auxiliary mode, the cable is prevented from falling off in a wiring mode, meanwhile, the part of the periphery of the cable with insulation protection removed can be clamped and kept away from the wire inlet position; lead wire clamping structure in both sides assembles the back with the cable end to the middle part, and 16 tops of wiring groove are arranged gradually in to the cable end, rotate second adjusting screw 17 and adjust the 15 whereabouts of lug and cooperate wiring groove 16 to press from both sides tight cable end to realize switching on of cable, such structural design, for the cable connected mode of current structure, have the centre gripping more stable, the wiring is more convenient, lead wire and control effect safer.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a movable junction box of circuit cable, includes casing (1), casing (1) both ends all are equipped with the inlet wire structure that is used for the cable to get into, and still are equipped with in casing (1) and are used for fixed cable and connect the wiring structure that switches on, a serial communication port, casing (1) is gone up the lateral wall and is run through for central symmetry with the wiring structure and be provided with sliding tray (5), casing (1) is down the lateral wall and is run through for central symmetry with the wiring structure and be provided with down sliding tray (6), go up sliding tray (5) and lower sliding tray (6) and correspond the setting, and on last sliding tray (5) and the lower sliding tray (6) of same one side respectively slidable mounting be provided with the lead wire clamping structure that is used for fixed traction cable, lead wire clamping structure is including sliding fit last sliding plate (7) in last sliding tray (5), sliding fit lower sliding plate (9) in sliding tray (6) down and connect the multiunit linkage of sliding plate (7) and lower The connecting rod comprises a rod (8), a movable plate (10) is arranged on the connecting rod (8) in a sliding fit mode, a first adjusting screw rod (11) is connected to the upper end of the movable plate (10) in a rotating mode through a bearing, and the first adjusting screw rod (11) penetrates through the upper movable plate (7) in a threaded fit mode and is connected with the upper end of the movable plate (10) in a rotating mode at the tail end.

2. The movable junction box of circuit cables as claimed in claim 1, wherein an upper pressing cushion block (12) and a lower pressing cushion block (13) are correspondingly arranged between the lower end of the movable plate (10) and the upper end of the lower movable plate (9), the upper pressing cushion block (12) and the lower pressing cushion block (13) are both truncated cone-shaped rubber cushion blocks, and the height of the upper end face of the lower pressing cushion block (13) is not lower than the inner wall of the inner lower side of the shell (1).

3. The movable junction box of a circuit cable according to claim 1, characterized in that the wire inlet structure comprises a wire inlet (2) arranged through the end side of the housing (1) and an assembly groove (3) embedded above the wire inlet (2), and an end cover (4) is arranged in the assembly groove (3) through spring sliding assembly.

4. The movable junction box of a circuit cable according to claim 3, wherein the end cover (4) is a thin plate made of an insulating material, a handle protrusion is arranged on the surface of the end cover (4), a wire clamping opening (41) in an 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 cover (4) and the wire clamping opening (41).

5. The movable junction box of a circuit cable according to claim 1, characterized in that the wiring structure comprises a plurality of groups of telescopic rods (14) symmetrically arranged on the inner upper wall of the housing (1) and a wiring block (15) connected and fixed to the lower end of the telescopic rods (14), and a matching wiring groove (16) is embedded in the position of the inner bottom of the housing (1) opposite to the wiring block (15).

6. The movable junction box of a circuit cable according to claim 5, wherein 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 fixedly connected with the lower end of the telescopic rod (14), a second adjusting screw (17) is rotatably connected to the center of the upper end of the insulating ceramic gasket through a bearing, and the second adjusting screw (17) movably penetrates through the upper wall of the shell (1) through thread fit.