CN210575466U

CN210575466U - Transformer copper bar and cable connection structure

Info

Publication number: CN210575466U
Application number: CN201921080920.3U
Authority: CN
Inventors: 陈存宏; 郑瑞宏
Original assignee: Haian Neoda Electric Co Ltd
Current assignee: Haian Neoda Electric Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-19
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a transformer copper bar and cable junction structure, including copper bar, cable, connecting hole, connecting piece, fixed orifices, the slot has been seted up to the one end that the connecting piece is connected with the cable is inside, and the inside of slot is equipped with the connecting plate, is connected through the spring between the tank bottom of connecting plate and slot, and the contact is installed towards the one end of cable to the connecting plate, and the conducting block is installed at the inside center of connecting plate, and the conducting block is connected with the conductor wire towards the one end of slot tank bottom, be equipped with one between the tank bottom of slot and the fixed orifices and. The utility model discloses the extrusion of cable can compress the spring, can ensure closely laminating of cable and contact, the lateral wall of slot still is equipped with the fixed subassembly of cable, and the fixed subassembly of cable can ensure that the cable is fixed in the slot by stable, and through rotating the position of adjusting the depression bar that the lead screw can be corresponding for the through-hole, realize that the depression bar deepens the through-hole more to this realizes that the drive clamp plate extrudees fixedly to the cable.

Description

Transformer copper bar and cable connection structure

Technical Field

The utility model relates to a transformer correlation field specifically is a transformer copper bar and cable junction structure.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

In the manufacturing process of the transformer, the copper bar is generally connected with the cable by welding. Welding operation is loaded down with trivial details, consumes time, and the operating efficiency is low, and the metal dust and the piece that the welding produced simultaneously pollute the transformer body easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer copper bar and cable junction structure to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a transformer copper bar and cable junction structure, includes copper bar and cable, be equipped with the connecting hole on the copper bar, the front end of cable is connected with the connecting piece, and the connecting piece is kept away from the one end of cable and has been seted up the fixed orifices, and connecting piece and copper bar insert connecting hole and fixed orifices through fixing bolt successively, the connecting piece has seted up the slot with the inside one end that the cable is connected, and the inside of slot is equipped with the connecting plate, is connected through the spring between the tank bottom of connecting plate and slot, and the contact is installed towards the one end of cable to the connecting plate, and the conducting block is installed at the inside center of connecting plate, and the conducting block is connected with the conductor wire towards the one end of slot tank.

As a further aspect of the present invention: the inside of slot has seted up the spout, and the inside slip of spout is equipped with the slider, slider and the lateral wall fixed connection of connecting plate.

As a further aspect of the present invention: the cable fixing assembly comprises a pressing rod, a through hole is formed in the side wall of the slot, the pressing rod penetrates through the through hole and is arranged, the pressing rod is located at one end of the inside of the slot, a pressing plate is installed at one end, away from the pressing plate, of the pressing rod, a threaded hole is formed in the inner portion of one end of the pressing rod, a lead screw is arranged in the inner thread of the threaded hole, a support is installed on the outer wall of the connecting piece, and the.

As a further aspect of the present invention: and one end of the screw rod, which is positioned outside the threaded hole, is provided with an adjusting handle.

As a further aspect of the present invention: the guide grooves are symmetrically formed in the through holes and are arranged along the length direction of the through holes, the guide blocks are arranged in the guide grooves in a sliding mode, and the guide blocks are fixedly connected with the outer side wall of the pressing rod.

As a further aspect of the present invention: the pressing plate is an arc-shaped pressing plate, and the inner arc-shaped surface of the pressing plate is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of simple and reasonable structure, it is swift convenient to use, with the cable insert slot in to tightly support the front end of cable on the contact, because the extrusion of cable can compress the spring this moment, consequently can ensure closely laminating of cable and contact, the lateral wall of slot still is equipped with the fixed subassembly of cable, and the fixed subassembly of cable can ensure that the cable is fixed in the slot by stable, through rotating the position of adjusting the depression bar that the lead screw can be corresponding for the through-hole, realizes that the depression bar deepens the through-hole more, extrudees fixedly with this realization drive clamp plate to the cable.

Drawings

Fig. 1 is a schematic structural diagram of a connection structure of a transformer copper bar and a cable.

Fig. 2 is a schematic structural diagram of a connector in a transformer copper bar and cable connection structure.

Fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1-copper bar, 2-cable, 3-connecting piece, 4-fixing bolt, 5-fixing hole, 6-slot, 7-connecting plate, 8-spring, 9-contact, 10-conducting block, 11-conducting wire, 12-conducting post, 13-sliding block, 14-sliding groove, 15-through hole, 16-pressing rod, 17-pressing plate, 18-threaded hole, 19-screw rod, 20-bracket, 21-bearing, 22-adjusting handle, 23-guide block and 24-guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a transformer copper bar and cable connection structure includes a copper bar 1, a cable 2 and a cable fixing component, the copper bar 1 is provided with a connection hole, the front end of the cable 2 is connected with a connection member 3, one end of the connection member 3 away from the cable 2 is provided with a fixing hole 5, the connection member 3 and the copper bar 1 are inserted into the connection hole and the fixing hole 5 successively through a fixing bolt 4, one end of the connection member 3 connected with the cable 2 is provided with an insertion slot 6, the insertion slot 6 is provided with a connection plate 7, the connection plate 7 is connected with the bottom of the insertion slot 6 through a spring 8, one end of the connection plate 7 facing the cable 2 is provided with a contact 9, the center of the connection plate 7 is provided with a conductive block 10, one end of the conductive block 10 facing the bottom of the insertion slot 6 is, one end that conducting wire 11 kept away from conducting block 10 is connected with leading electrical pillar 12, with cable 2 insert in slot 6 to tightly support the front end of cable 2 on contact 9, because the extrusion of cable 2 can compress spring 8 this moment, consequently can ensure the inseparable laminating of cable 2 and contact 9, the lateral wall of slot 6 still is equipped with the fixed subassembly of cable 2, and the fixed subassembly of cable can ensure that cable 2 is fixed in slot 6 by stable.

A sliding groove 14 is formed in the slot 6, a sliding block 13 is arranged in the sliding groove 14 in a sliding mode, and the sliding block 13 is fixedly connected with the side wall of the connecting plate 7.

The cable fixing assembly comprises a pressing rod 16, a through hole 15 is formed in the side wall of the slot 6, the pressing rod 16 penetrates through the through hole 15, a pressing plate 17 is installed at one end, located inside the slot 6, of the pressing rod 16, a threaded hole 18 is formed in one end, far away from the pressing plate 17, of the pressing rod 16, a screw rod 19 is arranged in internal threads of the threaded hole 18, a support 20 is installed on the outer wall of the connecting piece 3, the screw rod 19 is rotatably connected with the support 20 through a bearing 21, the pressing rod 16 can be correspondingly adjusted relative to the through hole 15 through rotating the screw rod 19, the pressing rod 16 can penetrate into the through hole 15, and therefore the pressing.

And an adjusting handle 22 is arranged at one end of the screw rod 19 positioned outside the threaded hole 18.

The guide grooves 24 are symmetrically formed in the through hole 15, the guide grooves 24 are formed in the length direction of the through hole 15, the guide blocks 23 are arranged in the guide grooves 24 in a sliding mode, and the guide blocks 23 are fixedly connected with the outer side wall of the compression bar 16.

The pressing plate 17 is an arc-shaped pressing plate, and the inner arc-shaped surface of the pressing plate 17 is provided with anti-skid grains.

The utility model discloses a theory of operation is: insert the cable 2 in the slot 6 to tightly support the front end of cable 2 on contact 9, at this moment because the extrusion of cable 2 can compress spring 8, consequently can ensure closely laminating of cable 2 and contact 9, the lateral wall of slot 6 still is equipped with the fixed subassembly of cable 2, and the fixed subassembly of cable can ensure that cable 2 is fixed in slot 6 by stable, can realize the depression bar 16 deepening more through-hole 15 for the position of through-hole 15 through rotating lead screw 19 with corresponding regulation depression bar 16, realizes this realization and drives clamp plate 17 and extrude fixedly to cable 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 transformer copper bar and cable connection structure comprises a copper bar (1) and a cable (2), and is characterized in that a connecting hole is formed in the copper bar (1), a connecting piece (3) is connected to the front end of the cable (2), a fixing hole (5) is formed in one end, away from the cable (2), of the connecting piece (3), the connecting piece (3) and the copper bar (1) are sequentially inserted into the connecting hole and the fixing hole (5) through a fixing bolt (4), a slot (6) is formed in one end, connected with the cable (2), of the connecting piece (3), a connecting plate (7) is arranged in the slot (6), the connecting plate (7) is connected with the slot bottom of the slot (6) through a spring (8), a contact (9) is installed at one end, facing the cable (2), of the connecting plate (7) is provided with a conductive block (10) in the inner center, one end, facing the slot bottom of the slot (6), of, a conductive column (12) is arranged between the bottom of the slot (6) and the fixing hole (5), and one end, far away from the conductive block (10), of the conductive line (11) is connected with the conductive column (12).

2. The transformer copper bar and cable connection structure according to claim 1, wherein a sliding groove (14) is formed in the slot (6), a sliding block (13) is slidably arranged in the sliding groove (14), and the sliding block (13) is fixedly connected with the side wall of the connection plate (7).

3. The transformer copper bar and cable connection structure according to claim 2, further comprising a cable fixing assembly, wherein the cable fixing assembly comprises a pressing rod (16), a through hole (15) is formed in the side wall of the slot (6), the pressing rod (16) penetrates through the through hole (15), a pressing plate (17) is mounted at one end of the pressing rod (16) located inside the slot (6), a threaded hole (18) is formed in one end, away from the pressing plate (17), of the pressing rod (16), a screw rod (19) is arranged in an internal thread of the threaded hole (18), a support (20) is mounted on the outer wall of the connecting piece (3), and the screw rod (19) is rotatably connected with the support (20) through a bearing (21).

4. The transformer copper bar and cable connection structure according to claim 3, wherein an adjusting handle (22) is installed at one end of the screw rod (19) located outside the threaded hole (18).

5. The transformer copper bar and cable connection structure according to claim 4, wherein the through hole (15) is symmetrically provided with guide grooves (24), the guide grooves (24) are arranged along the length direction of the through hole (15), guide blocks (23) are slidably arranged inside the guide grooves (24), and the guide blocks (23) are fixedly connected with the outer side wall of the pressure lever (16).

6. The transformer copper bar and cable connection structure according to claim 5, wherein the pressing plate (17) is an arc-shaped pressing plate, and the inner arc-shaped surface of the pressing plate (17) is provided with anti-skid lines.