CN214625406U

CN214625406U - Spiral elastic lead connecting structure

Info

Publication number: CN214625406U
Application number: CN202121122632.7U
Authority: CN
Inventors: 夏季
Original assignee: TIANJIN KUNPENG ELECTRONIC CO Ltd
Current assignee: TIANJIN KUNPENG ELECTRONIC CO Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-05
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a spiral elastic wire connection structure belongs to reactor technical field, including first conductive core and second conductive core, its characterized in that: the conductive overlapping section is formed by connecting the first conductive wire core and the second conductive wire core, a spiral elastic bundling wire is sleeved on the outer side of the conductive overlapping section, the diameter of the inner side of the spiral elastic bundling wire is smaller than the outer diameter of the conductive overlapping section, and an insulating elastic rubber sleeve is sleeved on the outer side of the spiral elastic bundling wire. The utility model provides a wire connection structure is equipped with spiral elasticity tie wire in the electrically conductive overlap joint section outside of two conductive core, and spiral elasticity tie wire relies on self elasticity to guarantee two conductive core reliable contacts, avoids appearing the breaking contact. Compared with the traditional method which simply depends on tin soldering connection, the method has good connection stability. In addition, this structure compares the mode that traditional pure soldering electricity was connected, and the connection efficiency of conductive core is high, improves the holistic production efficiency of product.

Description

Spiral elastic lead connecting structure

Technical Field

The utility model belongs to the technical field of the reactor, especially, relate to a spiral elastic wire connection structure.

Background

The reactor and the inductor are used for improving the voltage distribution on the long transmission line, so that the reactive power in the line is balanced as far as possible in the local during light load, the unreasonable flow of the reactive power is prevented, the power loss on the line is reduced, the power frequency steady-state voltage on the high-voltage bus is reduced when a large unit is parallel to a system, the synchronous parallel of the generators is facilitated, and the self-excitation resonance phenomenon which possibly occurs when the generator is provided with the long line is prevented. The reactor mainly comprises a coil and an iron core, wherein a lead of the coil is electrically connected with a lead of the reactor.

At present, the lead wire of the coil is directly connected with the lead wire of the reactor by tin soldering, the stress capacity of the tin soldering material between the lead wire and the conductive wire core of the lead wire of the reactor is poor, the connection stability between the lead wire of the coil and the lead wire of the reactor is poor, the lead wire of the coil and the lead wire of the reactor are easy to be disconnected in the processes of moving, assembling and the like of products, the use of the products is influenced, and the quality of the products is reduced.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a solve the spiral elasticity wire connection structure of the problem that the disconnection appears easily between the wire of present reactor and the lead wire.

The utility model discloses a realize like this, a spiral elastic wire connection structure, including first conductive core and second conductive core, its characterized in that: the conductive overlapping section is formed by connecting the first conductive wire core and the second conductive wire core, a spiral elastic bundling wire is sleeved on the outer side of the conductive overlapping section, the diameter of the inner side of the spiral elastic bundling wire is smaller than the outer diameter of the conductive overlapping section, and an insulating elastic rubber sleeve is sleeved on the outer side of the spiral elastic bundling wire.

In the above technical solution, preferably, a tin solder layer is disposed on an outer side of the spiral elastic wire.

In the above technical solution, preferably, one end of the spiral elastic binding wire is connected to the first conductive wire core, and the other end of the spiral elastic binding wire is connected to the second conductive wire core.

In the above technical scheme, preferably, the first conductive wire core and the second conductive wire core are provided with sheath layers, the sheath layer of the first conductive wire core is connected with one end of the spiral elastic binding wire, and the sheath layer of the second conductive wire core is connected with the other end of the spiral elastic binding wire.

The utility model has the advantages and effects that:

the utility model provides a technical scheme is equipped with spiral elasticity tie wire in the electrically conductive overlap joint section outside of two conductive core, and spiral elasticity tie wire relies on self elasticity to guarantee two conductive core reliable contacts, avoids appearing the broken joint. Compared with the traditional method which simply depends on tin soldering connection, the method has good connection stability. In addition, this structure compares the mode that traditional pure soldering electricity was connected, and the connection efficiency of conductive core is high, improves the holistic production efficiency of product.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

In the figure, 1, a first conductive wire core; 2. a second conductive core; 3. a helical elastic tie wire; 4. an insulating elastic rubber sleeve; 5. a tin solder layer; 6. a sheath layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

For solving the problem that the disconnection appears easily between the wire of present reactor and the lead wire, the utility model particularly provides a spiral elasticity wire connection structure, this structural connection stability is strong, and can improve product production efficiency. For further explanation of the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

example one

Referring to fig. 1, a spiral elastic wire connection structure includes a first conductive wire core 1 and a second conductive wire core 2, in this embodiment, the first conductive wire core 1 is a wire core of a wire package, and the second conductive wire core 2 is a wire core of a reactor lead. The first conductive wire core 1 and the second conductive wire core 2 are connected to form a conductive lap joint section, and the first conductive wire core 1 and the second conductive wire core 2 are coaxially butted side by side to form the conductive lap joint section. The outer side of the conductive lap joint section is sleeved with a spiral elastic bundling wire 3, the inner diameter of the spiral elastic bundling wire 3 is smaller than the outer diameter of the conductive lap joint section, and the spiral elastic bundling wire 3 is guaranteed to have certain holding force on the conductive lap joint section. In the present embodiment, the spiral elastic wire 3 is a copper spring structure. The outer side of the spiral elastic bundling wire 3 is sleeved with an insulating elastic rubber sleeve 4.

In this embodiment, a solder layer 5 is disposed on the outer side of the spiral elastic binding wire 3, one end of the spiral elastic binding wire 3 is soldered to the first conductive wire core 1, and the other end of the spiral elastic binding wire 3 is soldered to the second conductive wire core 2.

In this embodiment, the first conductive core 1 and the second conductive core 2 are connected by sleeving an insulating elastic rubber sleeve 4 on the first conductive core, sleeving a spiral elastic binding wire 3 on the outer side of the insulating elastic rubber sleeve 4, and sleeving the insulating elastic rubber sleeve 4 on which the spiral elastic binding wire 3 is sleeved as a prefabricated sleeve. Inserting the second conductive wire core 2 into the insulating elastic rubber sleeve 4, fixing one end of the spiral elastic bundling wire 3 after the second conductive wire core is completely inserted and a conductive lap joint section with a specified length is formed, pulling the insulating elastic rubber sleeve 4 out of the inner side of the spiral elastic bundling wire 3, binding the conductive lap joint section by the spiral elastic bundling wire 3, and after the conductive lap joint section is subjected to tin welding, pulling the insulating elastic rubber 4 to the outermost side of the conductive lap joint section. The structure is not only stable in connection, but also high in connection and installation efficiency.

Example two

Referring to fig. 2, a spiral elastic wire connection structure includes a first conductive wire core 1 and a second conductive wire core 2, in this embodiment, the first conductive wire core 1 is a wire core of a wire package, and the second conductive wire core 2 is a wire core of a reactor lead. The first conductive wire core 1 and the second conductive wire core 2 are connected to form a conductive lap joint section, and the first conductive wire core 1 and the second conductive wire core 2 are coaxially butted side by side to form the conductive lap joint section. The outer side of the conductive lap joint section is sleeved with a spiral elastic bundling wire 3, the inner diameter of the spiral elastic bundling wire 3 is smaller than the outer diameter of the conductive lap joint section, and the spiral elastic bundling wire 3 is guaranteed to have certain holding force on the conductive lap joint section. In the present embodiment, the spiral elastic wire 3 is a copper spring structure. The outer side of the spiral elastic bundling wire 3 is sleeved with an insulating elastic rubber sleeve 4.

The first conductive wire core 1 and the second conductive wire core 2 are provided with a sheath layer 6, and the sheath layer 6 is provided with hook holes which are punched on the sheath layer. The sheath layer of the first conductive wire core 1 is connected with one end of the spiral elastic bundling wire 3, and the sheath layer of the second conductive wire core 2 is connected with the other end of the spiral elastic bundling wire 3, wherein the connection is a hook connection.

In the connection structure of the embodiment, the first conductive wire core 1 and the second conductive wire core 2 are not absolutely axially fixed and have a certain moving margin, when the conductive lap joint section is pulled, the spiral elastic binding wire is extended by 3 lengths, and the hoop force of the spiral elastic binding wire is increased due to deformation, so that the conductive lap joint section not only has certain extension buffering capacity, but also can ensure reliable connection in the extension process. Not only the connection is more stable, but also the breaking resistance is stronger.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a spiral elastic wire connection structure, includes first conductive core (1) and second conductive core (2), its characterized in that: the conductive wire comprises a first conductive wire core (1) and a second conductive wire core (2) which are connected to form a conductive lap joint section, wherein a spiral elastic bundling wire (3) is sleeved on the outer side of the conductive lap joint section, the inner side diameter of the spiral elastic bundling wire (3) is smaller than the outer diameter of the conductive lap joint section, and an insulating elastic rubber sleeve (4) is sleeved on the outer side of the spiral elastic bundling wire (3).

2. The helical spring wire connection structure as claimed in claim 1, wherein: and a tin welding layer (5) is arranged on the outer side of the spiral elastic bundling wire (3).

3. The helical spring wire connection structure as claimed in claim 1, wherein: one end of the spiral elastic bundling wire (3) is connected with the first conductive wire core (1), and the other end of the spiral elastic bundling wire (3) is connected with the second conductive wire core (2).

4. The helical spring wire connection structure as claimed in claim 3, wherein: first conductive core (1) and second conductive core (2) have restrictive coating (6), the restrictive coating of first conductive core (1) with the one end of spiral elasticity tie wire (3) is connected, the restrictive coating of second conductive core (2) with the other end of spiral elasticity tie wire (3) is connected.