CN206379535U - A kind of magnetic suspension train circular shield connector system - Google Patents

Abstract

The utility model relates to a circular shielding connector system for a maglev train. The connector of the utility model includes a connector body, an elastic connector, a straight pipe, a cable locking part and a cable, and the connector body includes a The connector housing, the connector housing and the cable locking part are threaded through a straight pipe, one end of the cable is locked and fixed by the cable locking part, and the other end exposes a single core wire. There is a socket inside the contact, and the head of the single-core wire is crimped to the pin and inserted into the socket. One end of the elastic connector is in contact with the shielding layer, the other end of the elastic connector is screwed into the connector housing, and an insulator is provided on the outside of the contact in the axial direction. The purpose of the utility model is to provide a connector with simple structure, convenient assembly and excellent contact.

Description

A circular shielded connector system for maglev trains

technical field

The utility model relates to the technical field of electric devices, in particular to a connector system, in particular to a circular shield connector system for a magnetic levitation train.

Background technique

Most of the existing circular connectors do not have shielded wires connected to the connector housing. The magnetic field of the maglev vehicle is very strong, which greatly interferes with the signal. It is especially important to implement shielding treatment for the multi-core control connector.

The connection between the shielded wire of the existing circular connector and the connector housing is mostly a crimp connection. With such a connection structure, on the one hand, it is not convenient for the assembly of the subsequent process and makes the assembly of the product complicated and impossible to maintain. On the one hand, the contact conduction between the connector shell and the shielded wire is not good.

Contents of the invention

In order to solve the above problems, the utility model provides a connector system. The connector includes a connector body, an elastic connector, a straight pipe, a cable locking part and a cable. The connector housing, the connector housing and the cable locking part are screwed together through a straight pipe, one end of the cable is locked and fixed by the cable locking part, and the other end of the cable There are exposed single-core wires, and the inside of the connector body is provided with a plurality of contact pieces, and the inside of the contact pieces has sockets, and the heads of the single-core wires are crimped with pins and inserted into the pins In the socket, the cable is provided with a shielding layer near the outer axial direction of the single core wire, one end of the elastic connector is in contact with the shielding layer, and the other end of the elastic connector is connected to the shielding layer. The connector housing is threadedly connected, and an insulator is provided on the outside of the contact in the axial direction.

Further, the inner surface of the end part of the elastic connector in contact with the shielding layer is provided with a plurality of arc-shaped protrusions along the axial direction, and there is a certain interval between adjacent protrusions for cable insertion When elastic connectors are used, the arc-shaped protrusions are easy to pop open.

Preferably, the number of the protrusions is six.

Preferably, the elastic connector is made of bronze, which has good elasticity and is easy to process and form.

Further, the installation method of an electrical connector includes the following steps:

Step 1: After one end of the cable is locked and fixed with a cable locking part, the other end passes through the straight tube and the elastic connector in sequence.

Step 2: Cut off the cable grown in step 1 as needed, and strip the cable at the cut end according to the process requirements. The cable part after stripping will be composed of multiple single-core wires. crimp the pin and insert the pin into the socket of the contact.

Step 3, thread-tighten the elastic connecting piece and the connector housing.

Step 4, push the cable to a proper position so that the elastic connector is in full contact with the shielding layer, and then tighten the straight tube and the connector housing with threads.

Step 5, tighten the cable locking part and the straight pipe thread to ensure that the cable will not move after the cable is locked.

The advantage of a kind of connector system of the present utility model is:

1. The connector system of the present invention is composed of a circular electrical connector body, an elastic connector, a straight tube, and a cable locking part without changing the structural size, assembly method, installation size, and electrical performance of the inherent connector. Composition, so that the contact between the connector housing and the shielded wire is excellent.

2. The elastic connectors in the connector system of the present invention are machined and formed by high-quality bronze, which is easy to process and has excellent electrical conductivity.

3. The connector system of the present invention is connected to the connector housing through the thread at one end of the elastic connector, and the arc-shaped protrusion at the other end is in contact with the shielding layer to realize the conduction between the connector housing and the shielding wire.

Description of drawings

Fig. 1 is a schematic structural diagram of the connector system of the present invention.

Fig. 2 is a schematic diagram of the section structure of the elastic connector in the connector system of the present invention.

Fig. 3 is a right view structural diagram of the elastic connector in the connector system of the present invention.

Fig. 4 is a structural schematic diagram of the installation step 1 of the connector system of the present invention.

Fig. 5 is a structural schematic diagram of the second installation step of the connector system of the present invention.

Fig. 6 is a structural schematic diagram of the third installation step of the connector system of the present invention.

Fig. 7 is a structural schematic diagram of the fourth installation step of the connector system of the present invention.

1-connector housing, 2-insulator, 3-contact, 4-single core wire, 5-elastic connector, 6-shielding layer, 7-straight tube, 8-cable, 9-cable locking part , 51-Protrusion, 11-Space.

detailed description

A connector system of the present invention, especially a circular shielded connector system for a maglev train, will be further described in detail below with reference to the accompanying drawings.

The structural schematic diagram of the connector system of the present invention shown in Figure 1 is the structural schematic diagram of the connector installation step 5 of the present invention, including a connector housing 1, an insulator 2, a contact piece 3, a single core wire 4, and an elastic connection Part 5, shielding layer 6, straight pipe 7, cable 8, cable locking part 9. The connector of the present invention is composed of a connector main body, an elastic connector 5, a straight pipe 7, a cable locking part 9, and a cable 8. The connector body includes a connector housing 1 provided on the outside thereof. The connector housing 1 and the cable locking part 9 are screwed together through a straight pipe 8, one end of the cable 8 is locked and fixed by the cable locking part 9, and the other end of the cable 8 is exposed The single-core wire 4 is provided with a plurality of contact pieces 3 inside the main body of the connector, and the inside of the contact piece 3 has a socket. into the socket, the cable 8 is provided with a shielding layer 6 near the outer axial direction of the single core wire 4, one end of the elastic connector 5 is in contact with the shielding layer 6, and the elastic The other end of the connecting piece 5 is threadedly connected with the connector housing 1 , and an insulator 2 is provided outside the contact piece 3 in the axial direction. The contact piece 3 is fixedly arranged in the through hole provided inside the insulator 2, the connection of the structure in the through hole forms the electrical contact of the cables at both ends, and the external insulator 2 ensures the safety of electricity use.

As shown in FIG. 2 , the schematic cross-sectional structure diagram of the elastic connector in the connector system of the present invention, the material of the elastic connector 5 is high-quality bronze, which has good elasticity and is easy to process and form. The inner surface of the end part of the elastic connector 5 in contact with the shielding layer 6 is provided with a plurality of arc-shaped protrusions 51 along the axial direction, and there is a certain interval 52 between adjacent protrusions, which is used for cable 8. When the elastic connector 5 is inserted, the arc-shaped protrusion 51 is easy to bounce off.

As shown in Figure 3, the right-view structural diagram of the elastic connector in the connector system of the present invention, the number of the protrusions 51 is preferably six, and they are arrayed in the circumferential direction. The adjacent protrusions 51 There is a certain interval 52 between them, for when the cable is inserted into the elastic connector 5, the arc-shaped protrusion 51 is easy to bounce off. In the actual processing process, the number of protrusions 51 and the shape of the protrusions can be correspondingly improved according to the technological requirements, so as to meet the technological requirements and actual needs.

The magnetic levitation train circular shielding connector system of the utility model has simple structure, convenient assembly, and is convenient for maintenance. Compared with the traditional electrical connector, it adopts the threaded connection between the outer shell and the elastic connector, and the end of the elastic connector The designed arc-shaped protrusions are in close contact with the shielding layer on the surface of the shielding wire, thus achieving excellent contact between the connector housing and the shielding wire. The threaded connection is not only reliable, but also easy to disassemble and install, very economical and applicable.

A connector system of the present invention, especially a method for installing a circular shielded connector system for a maglev train, comprises the following steps:

Step 1: After one end of the cable is locked and fixed with a cable locking part, the other end passes through the straight tube and the elastic connector in sequence.

Step 2: Cut off the cable grown in step 1 as needed, and strip the cable at the cut end according to the process requirements. The cable part after stripping will be composed of multiple single-core wires. crimp the pin and insert the pin into the socket of the contact.

Step 3, thread-tighten the elastic connecting piece and the connector housing.

Step 4, push the cable to a proper position so that the elastic connector is in full contact with the shielding layer, and then tighten the straight tube and the connector housing with threads.

Step 5, tighten the cable locking part and the straight pipe thread to ensure that the cable will not move after the cable is locked.

As shown in Figure 4, the first structural diagram of the installation step of the connector system of the present invention, after one end of the cable 8 is locked and fixed by the cable locking part 9, the other end passes through the straight pipe 7 and the elastic connector 5 in sequence, obviously , the length of the cable to be prepared is greater than the sum of the lengths of the cable locking part 9, the straight pipe 7, and the elastic connector 5, so as to facilitate the operation in the subsequent steps.

As shown in Figure 5, the structural diagram of the installation step 2 of the connector system of the present invention, the cable 8 grown in the step 1 is cut off as required, and the cable at the cut end is stripped according to the process requirements, and the stripped wire The cable part will be composed of multiple single-core wires 4 , the heads of the single-core wires 4 are crimped to the pins, and the pins are inserted into the sockets of the contacts 3 .

As shown in Figure 6 is a schematic diagram of the structure of the third installation step of the connector system of the present invention. The elastic connector 5 and the connector housing 1 are screwed tightly, that is, the thread at one end of the elastic connector 5 is connected to the inner surface of the connector housing 1. Threads are screw fit.

As shown in Figure 7, the structure schematic diagram of the fourth installation step of the connector system of the present invention, push the cable 8 to a suitable position, so that the elastic connector 5 is in full contact with the shielding layer 6, and then connect the straight tube 7 with the connector housing 1. Tighten the thread, that is, the thread at the end of the straight pipe 7 is screwed with the thread on the outer surface of the connector housing 1.

As shown in Figure 1, the structural diagram of the connector system of the present invention is the structural diagram of the electrical connector installation step 5 of the present invention. Screw the cable locking part 9 and the straight pipe 7 to ensure that the cable is locked. After that, the cable will not move.

The magnetic levitation train circular shielding connector system of the utility model is composed of a circular electrical connector main body, an elastic connector, a straight pipe, a wire Composed of cable locking parts, the contact between the connector housing and the shielded wire is excellent. The inner and outer surfaces of the connector housing of the present invention are designed to be threaded, the threads on the outer surface of the connector housing are mated with the threads at the end of the straight pipe, and the designed threads on the inner surface of the connector housing are mated with the threads at the end of the elastic connecting member. . The other end of the elastic connector is well in contact with the shielding layer close to the cable in the present invention, so as to realize the conduction between the connector housing and the shielding wire.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the utility model of the present invention, unless otherwise clearly stipulated and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature may pass through the middle of the second feature. Media indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" means that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

The above is only a preferred embodiment of the present utility model, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (4)

1. a kind of connector system, it is characterised in that the connector includes：Connector body, Flexible Connector, straight tube, line Cable locking member and cable, the connector body include the connector shell that its outside is set, the connector shell and line Cable locking member is connected by straight pipe thread, and described cable one end is locked by the cable locking member, the cable The other end has exposed single-core line, and the connector body is internally provided with to have inside multiple contacts, the contact and inserted After hole, the head crimping contact pin of the single-core line and contact pin grafting is entered in the jack,

The cable is provided with screen layer, one end of the Flexible Connector and institute close to the outside axial direction of the single-core line Screen layer contact connection is stated, the other end of the Flexible Connector is threadedly coupled with the connector shell,

Axial direction is provided with insulator on the outside of the contact.

2. table in connector system according to claim 1, the end that the Flexible Connector is contacted with the screen layer Multiple arc-shapeds that face is provided with axial direction are raised, have certain interval between adjacent projection, bullet is inserted for cable During property connector, arc-shaped projection is easy to flick.

3. connector system according to claim 2, the raised number is six.

4. according to any described connector system in claim 1-2, the material of the Flexible Connector is bronze, with compared with Good elasticity, easy processing shaping.