CN216290144U - Low-voltage cable connecting device - Google Patents

Abstract

The utility model belongs to the technical field of cable junction's field and specifically relates to a low tension cable connecting device is related to, including the cable plug who is connected with low tension cable line looks electricity, with the fixed socket that power equipment looks electricity is connected, locate between cable plug and the fixed socket and make the stable coupling mechanism who stably connects between cable plug and the fixed socket, cable plug pegs graft and connects in fixed socket, possesses the form that uses plug and socket on low tension cable's connection to the effect of going on of connecting.

Description

Low-voltage cable connecting device

Technical Field

The application relates to the field of cable connection, in particular to a low-voltage cable connecting device.

Background

When the low-voltage cable is connected with some electric equipment, such as a low-voltage cabinet of a transformer box, the low-voltage cable is generally connected inside to protect one end of the low-voltage cable.

When current low voltage cable and power equipment connect, can need to use the lug of copper for the stranded cable stretches into and makes the crimping between cable and the lug in the lug, twines insulating tape again in lug and cable junction, then carries out fastening connection through the terminal in screw with lug and power equipment.

To the above-mentioned correlation technique, the inventor thinks that using the screw to carry out the connection of lug and terminal so that the low voltage cable and corresponding power equipment connect comparatively loaded down with trivial details, has the defect that low voltage cable and power equipment connect comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the connection of a low-voltage cable and power equipment, the application provides a low-voltage cable connecting device.

The application provides a low tension cable connecting device adopts following technical scheme:

a low-voltage cable connecting device comprises a cable plug electrically connected with a low-voltage cable, a fixed socket electrically connected with power equipment, and a stable connecting mechanism arranged between the cable plug and the fixed socket and enabling the cable plug and the fixed socket to be stably connected, wherein the cable plug is connected in an inserting mode and is electrically connected with the fixed socket.

Through adopting above-mentioned technical scheme for only need peg graft cable plug and fixed socket during the connection, can connect low tension cable and corresponding power equipment, make the circuit intercommunication, the connection process is comparatively simple and convenient.

Optionally, the stable connection mechanism includes an extension block rotatably connected to the cable plug, a sleeve block arranged on the fixed socket and used for inserting the extension block, and a clamping block arranged on the extension block and inserted into the sleeve block along with the extension block, the inner part of the sleeve block is provided with a clamping arc groove around the rotation axis of the extension block, and the clamping block is slidably connected to the inner wall of the clamping arc groove around the rotation axis of the extension block.

Through adopting above-mentioned technical scheme, will stretch into the piece and the joint piece corresponds the cover piece in the lump and peg graft, then rotate again and stretch into the piece for the joint piece gets into to the joint arc groove in, makes the joint piece be difficult to break away from the cover piece, makes to be difficult for keeping away from mutually between cable plug and the fixed socket, easy and simple to handle when making between cable plug and the fixed socket stable connection.

Optionally, the inside stopper groove that communicates in joint arc groove of seting up of cup joint piece, stopper inslot sliding connection has the stopper, and the stopper is equipped with and forces self to remove so that joint piece position keeps stable stopper removal subassembly towards the joint piece.

Through adopting above-mentioned technical scheme for when the joint piece removes corresponding position department in entering into joint arc groove, the stopper can support tightly in the joint piece, makes the joint piece be difficult to remove, makes the joint piece be difficult for breaking away from in joint arc groove.

Optionally, the stopper removes the subassembly including locating the stopper inslot and force the stopper towards the compression spring that the joint piece removed, locate the stopper and peg graft in the inserted block of joint piece, locate stopper groove opening and butt in the anticreep play piece of stopper, the inserted block is worn to locate and is prevented deviating from the piece, the inserted block is pegged graft and is the sphere in the side of stopper.

Through adopting above-mentioned technical scheme for the joint piece can force the stopper to retract to the spacing groove when joint arc groove removes, and compression spring makes the inserted block closely peg graft in the joint piece simultaneously, makes the joint piece difficult easy removal when the inserted block closely pegs graft.

Optionally, the cable plug and the fixed socket periphery are provided with the same protection box, one side of the opening of the protection box is detachably connected with the box cover, the protection box is provided with two groups of threading pipes, and the low-voltage cable of the cable plug and the cable of the fixed socket are in one-to-one correspondence and respectively and closely penetrate through the two groups of threading pipes.

Through adopting above-mentioned technical scheme for outside moisture is difficult for also getting into to the protection box between threading pipe and the cable conductor, makes to be difficult to the condition that the short circuit appears because of outside moisture gets into between cable plug and the fixed socket.

Optionally, a plurality of elongated slots are formed in the side face, facing the box cover, of the protection box, a plurality of pipe slots communicated with the elongated slots in a one-to-one correspondence mode are formed in the protection box, each threading pipe is correspondingly embedded in one pipe slot, an inserting frame is arranged on the side face, facing the protection box, of the box cover, the inserting frame is tightly inserted into the protection box, a plurality of pressing slots are formed in the side face, facing the threading pipes, of the inserting frame, and the inner wall of each pressing slot is tightly attached to the threading pipe.

Through adopting above-mentioned technical scheme for when inserting the corresponding protection box of plug-in connection frame, compress tightly the inslot wall and laminate in threading pipe surface, make the threading pipe with compress tightly hug closely between inslot wall and the tube seat inner wall, also be convenient for change the threading pipe when making outside moisture be difficult to enter into the protection box.

Optionally, a pull-out handle is arranged on the side of the box cover, which faces away from the protection box.

Through adopting above-mentioned technical scheme to pull out the plug frame from the protection box, be convenient for dismantle the lid.

Optionally, the inserting frame is provided with an elastic sheet, and a distance exists between one end of the elastic sheet close to the box cover and the inserting frame.

By adopting the technical scheme, when the plug-in frame is correspondingly inserted into the protection box, the spring sheet can be tightly abutted against the inner wall of the protection box, so that the plug-in frame is not easy to move when being inserted into the protection box.

In summary, the present application includes at least one of the following benefits:

1. when in connection, the low-voltage cable can be connected with corresponding power equipment only by inserting the cable plug and the fixed socket, so that the circuits are communicated, and the connection process is simple and convenient;

2. the external moisture is not easy to enter the protection box from the space between the threading pipe and the cable, so that the short circuit between the cable plug and the fixed socket is difficult to occur due to the entrance of the external moisture.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present application;

FIG. 2 is a schematic view of the insert frame and cover away from the protective case to show the internal structure of the protective case;

FIG. 3 is a schematic view of a cable plug and a corresponding socket block, with the socket block shown in cross-section to show the structure of the inside of the clamping arc groove;

fig. 4 is a schematic view of the partially exploded configuration of fig. 3 with the cable plug and the extender block removed and the mechanism in the groove of the stop block removed.

Description of reference numerals: 1. a cable plug; 11. the clamping block extends into the groove; 12. an anti-drop block; 2. a fixed socket; 21. a threading tube; 22. a pipe groove; 23. a plug-in frame; 24. a compaction groove; 25. pulling out the handle; 26. a long groove; 27. an elastic sheet; 28. extending into the block ring groove; 29. a frame groove; 3. extending the block; 31. sleeving and connecting blocks; 32. a clamping block; 33. clamping the arc groove; 34. a limiting block groove; 35. a limiting block; 36. a compression spring; 37. inserting a block; 38. a protection box; 39. and (7) a box cover.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses low tension cable connecting device, refer to fig. 1 and 2, including protection box 38 of fixed connection in power equipment, protection box 38 is vertical, and protection box 38 opening one side can be dismantled and be connected with and be vertical lid 39. Fixed connection has several fixed socket 2 in protection box 38, and whole fixed socket 2 are vertical one row, and fixed socket 2 carries out the electricity through connecting between low tension cable line and the power equipment, and each fixed socket 2 all pegs graft and be connected with cable plug 1, and cable plug 1 keeps away from fixed socket 2 one end and also through other equipment outside low tension cable line connection to the power equipment.

Referring to fig. 2, a group of elongated grooves 26 is formed in two vertical outer walls of the protection box 38, the length direction of each elongated groove 26 is consistent with the length direction of a horizontal center line on one side of an opening of the protection box 38, the elongated grooves 26 are communicated with the inside of the protection box 38, the elongated grooves 26 penetrate through the vertical side faces on one side of the opening of the protection box 38, a pipe groove 22 is formed in one end, away from the box cover 39, of each elongated groove 26, the pipe groove 22 is semicircular, a threading pipe 21 is tightly attached to the inner wall of each pipe groove 22, rubber layers are adhered to the outer wall and the inner wall of the circumference of the threading pipe 21, the threading pipes 21 are arranged in two groups corresponding to the two groups of elongated grooves 26, each threading pipe 21 in one-to-one correspondence is used for the low-voltage cables connected to each cable plug 1 to tightly penetrate, and each threading pipe 21 in one-to-one low-voltage cables connected to each fixed socket 2. The box cover 39 is fixedly connected with the inserting frame 23 towards the vertical side of the protection box 38, the inserting frame 23 is provided with a plurality of pressing grooves 24 towards the vertical side of the threading pipe 21, all the pressing grooves 24 correspond to each threading pipe 21 one by one, the pressing grooves 24 are semicircular, the arc-shaped inner wall of each pressing groove 24 is tightly attached to the circumferential outer wall of one corresponding threading pipe 21, and therefore external water is difficult to enter the protection box 38.

Referring to fig. 2, a frame groove 29 is formed in the side surface of the protection box 38 facing the box cover 39, the cross section of the frame groove 29 is rectangular, the insertion frame 23 is inserted into the frame groove 29 along the length direction of the long groove 26, the elastic pieces 27 are fixedly connected to four outer walls of the insertion frame 23, and one end of the elastic pieces 27, which is spaced from the insertion frame 23, is close to the box cover 39, so that when the insertion frame 23 is horizontally inserted into the frame groove 29, the end, which is connected to the insertion frame 23, of the elastic pieces 27 can enter the frame groove 29 first, and the elastic pieces 27 are smoothly deformed and tightly attached to the inner wall of the frame groove 29. The vertical side of the box cover 39 facing away from the protective box 38 is fixedly connected with a pull-out handle 25 in a horizontal manner in order to pull the box cover 39.

Referring to fig. 2 and 3, install between cable plug 1 and the fixed socket 2 and make the stable coupling mechanism of stable connection between cable plug 1 and the fixed socket 2, stable coupling mechanism includes fixed connection in fixed socket 2 cup joints piece 31, it is the ring type to cup joint the piece 31 appearance, cable plug 1 wears to locate to cup joint piece 31 and fixed socket 2 and pegs graft mutually, cup joint piece 31 has seted up towards the terminal surface coaxial of cable plug 1 and has stretched into a ring groove 28, cable plug 1 rotates towards the side of fixed socket 2 and is connected with and stretches into piece 3, it is the ring type to stretch into the piece 3 appearance, it is the same with cup joint piece 31 axis to stretch into the piece 3 axis, it pegs graft and sliding connection in the inner wall that stretches into a ring groove 28 along self axis direction level. Stretch into 3 pegs graft in the circumference outer wall fixedly connected with joint piece 32 that stretches into 28 one ends of piece annular, the joint piece has been seted up towards cable plug 1's vertical side to the cover joint piece 31 and has been stretched into groove 11 to the joint piece, and joint piece 32 is along stretching into 28 axis direction sliding connection of piece annular in the joint piece and stretching into 11 inner walls in groove. The inside joint arc groove 33 of having seted up of cup jointing piece 31, joint arc groove 33 centre of a circle is located the axis that stretches into a ring groove 28, joint arc groove 33 communicates in the inner wall that joint piece stretched into groove 11 and is located cup jointing piece 31 one end, make when stretching into 3 terminal surface butt of piece in stretching into a ring groove 28 inner wall, the rotatable piece 3 that stretches into, make joint piece 32 get into to the joint arc groove 33 in, stretch into piece 3 this moment and be difficult to break away from stretching into a ring groove 28 along self axis direction.

Refer to fig. 3 and 4, cup joint piece 31 inside and seted up stopper groove 34, stopper groove 34 length direction with stretch into a ring groove 28 axis direction unanimous, stopper groove 34 one end communicates in joint arc groove 33, stopper groove 34 inner wall has stopper 35 along self length direction sliding connection, stopper 35 is installed and is forced self to remove so that joint piece 32 position keeps stable stopper removal subassembly towards joint piece 32, stopper removal subassembly is including being arranged in stopper groove 34 compression spring 36, compression spring 36 both ends one-to-one respectively fixed connection is in stopper groove 34 inner wall and stopper 35 and deviates from the terminal surface in joint arc groove 33, compression spring 36 forces stopper 35 to remove towards joint arc groove 33. The inner wall of one end of the limiting block groove 34 communicated with the clamping arc groove 33 is fixedly connected with an anti-disengagement block 12, the anti-disengagement block 12 is in a circular ring shape, and the limiting block 35 abuts against the anti-disengagement block 12. The stopper 35 butt is in the terminal surface fixedly connected with inserted block 37 of preventing deviating from piece 12, and inserted block 37 can wear to locate in preventing deviating from piece 12 along the 34 length direction in stopper groove, and inserted block 37 exposes and prevents deviating from 12 one end and be the hemisphere type for inserted block 37's spherical surface portion can be pegged graft in joint piece 32, makes joint piece 32 difficult easy removal in joint arc groove 33.

The low-voltage cable connecting device of the embodiment of the application has the following implementation principle: put into the pipe socket 22 of keeping away from fixed socket 2 with cable plug 1 on the low tension cable correspondence, again with cable plug 1 corresponding grafting in fixed socket 2, make simultaneously stretch into piece 3 insert to stretch into piece annular 28, joint piece 32 slides in the lump and enters into joint piece stretching groove 11, then rotate and stretch into piece 3, make joint piece 32 slide and enter into joint arc groove 33, and joint piece 32 is being close to when inserting piece 37, will force earlier that inserting piece 37 retracts into spacing block groove 34, when joint piece 32 and joint arc groove 33 tip inner wall looks butt and can't continue to move again, compression spring 36 forces inserting piece 37 to insert in joint piece 32, then will insert frame 23 and correspond frame groove 29 level and insert, make and compress tightly 24 inner walls of groove and closely laminate in the outside wall of threading pipe 21 circumference, finally accomplish the connection installation of whole device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A low voltage cable connection device characterized by: the cable plug comprises a cable plug (1) electrically connected with a low-voltage cable, a fixed socket (2) electrically connected with power equipment, and a stable connection mechanism which is arranged between the cable plug (1) and the fixed socket (2) and enables the cable plug (1) and the fixed socket (2) to be stably connected, wherein the cable plug (1) is plugged and electrically connected with the fixed socket (2).

2. A low-voltage cable connection device according to claim 1, characterized in that: stabilize coupling mechanism including rotate connect in stretching into piece (3) of cable plug (1), locate fixed socket (2) and supply to stretch into piece (3) male cup joint piece (31), locate and stretch into piece (3) and along with stretch into piece (3) and peg graft in joint piece (32) of cup jointing piece (31) in the lump, cup joint piece (31) inside has seted up joint arc groove (33) around stretching into piece (3) axis of rotation, joint piece (32) rotate axis sliding connection in joint arc groove (33) inner wall around stretching into piece (3).

3. A low-voltage cable connection device according to claim 2, characterized in that: the inside stopper groove (34) that communicates in joint arc groove (33) of seting up of cover joint piece (31), sliding connection has stopper (35) in stopper groove (34), and stopper (35) are equipped with and force self to remove so that joint piece (32) position keeps stable stopper removal subassembly towards joint piece (32).

4. A low-voltage cable connection device according to claim 3, characterized in that: the limiting block moving assembly comprises a compression spring (36) which is arranged in a limiting block groove (34) and forces a limiting block (35) to move towards a clamping block (32), an insertion block (37) which is arranged on the limiting block (35) and is inserted into the clamping block (32), an anti-disengagement block (12) which is arranged on the limiting block groove (34) and is abutted to the limiting block (35), the insertion block (37) is arranged on the anti-disengagement block (12) in a penetrating mode, and the insertion block (37) is inserted into the side face of the limiting block (35) and is spherical.

5. A low-voltage cable connection device according to claim 1, characterized in that: the cable plug (1) and the fixed socket (2) are peripherally provided with the same protection box (38), one side of an opening of the protection box (38) is detachably connected with a box cover (39), the protection box (38) is provided with two groups of threading pipes (21), and the low-voltage cable of the cable plug (1) and the cable of the fixed socket (2) are in one-to-one correspondence and respectively and tightly penetrate through the two groups of threading pipes (21).

6. A low-voltage cable connection device according to claim 5, characterized in that: the side of the protection box (38) facing the box cover (39) is provided with a plurality of long grooves (26), the protection box (38) is provided with a plurality of pipe grooves (22) which are communicated with the long grooves (26) in a one-to-one correspondence mode, each threading pipe (21) is embedded in one pipe groove (22) in a corresponding mode, the side of the box cover (39) facing the protection box (38) is provided with an inserting frame (23), the inserting frame (23) is tightly inserted into the protection box (38), the side of the inserting frame (23) facing the threading pipe (21) is provided with a plurality of pressing grooves (24), and the inner wall of each pressing groove (24) is tightly attached to the threading pipe (21).

7. A low-voltage cable connection device according to claim 5, characterized in that: the side of the box cover (39) departing from the protection box (38) is provided with a pull-out handle (25).

8. A low-voltage cable connection device according to claim 6, characterized in that: the plug-in frame (23) is provided with an elastic sheet (27), and a distance exists between one end of the elastic sheet (27) close to the box cover (39) and the plug-in frame (23).

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