CN206574905U - Connector - Google Patents

Abstract

The utility model discloses a connector, which comprises: a socket connector, including a socket shell, a socket body sealed and connected to the socket shell, and a socket contact terminal arranged on the socket body; Connected to the socket connector and electrically connected to the external cable, it includes a plug shell and a jack assembly accommodated in the plug shell. The jack assembly is provided with an inner insulating terminal, and the end of the inner insulating terminal away from the external cable is covered with a copper sleeve. , a positioning card is provided at one end close to the external cable, and axially distributed springs are embedded in the copper sleeve. Compared with the prior art, the utility model connector has the following advantages: 1) By increasing the copper sleeve, the contact area between the spring and the inner insulating terminal can be effectively increased, the temperature rise can be significantly reduced, the friction can be reduced, and the wear of the coating can be effectively protected ; 2) By adding a positioning card, the movement of the inner insulation terminal in the longitudinal direction can be prevented, thereby increasing the number of plugging and pulling out of the connector.

Description

Connector

technical field

The utility model belongs to the field of battery technology, more specifically, the utility model relates to a connector.

Background technique

With the development of modern society, electric vehicles have become more and more widely used. The power battery system is an important part of the electric vehicle, and the plastic quick-plug connector is a key component of the power battery system. It is mainly used in the electric vehicle industry to provide stable high-voltage and high-current transmission between devices.

At present, traditional connectors have a long delivery cycle, high cost, and low performance, which cannot meet the needs of actual use; the inner insulating terminals of traditional connectors are easy to wear and tear when plugging and unplugging, and the temperature rise is large, and the inner insulating terminals are easy to loose when plugging and unplugging , resulting in a significant drop in the number of insertions and extractions. In addition, the number of plugging and unplugging of the traditional connector is 100 times, and the mounting hole of the socket is a multi-position through hole. Excessive plugging and unplugging times will lead to the risk of IP68, IPXXB and IPXXD failure of the plastic connector during the continuous plugging and unplugging process.

In the prior art, several longitudinal springs are usually added at the inner insulating terminal and threads are added at the end of the inner insulating terminal to prevent the inner insulating terminal from loosening. However, the prior art cannot effectively solve the problems of temperature rise and insertion and extraction times.

In view of this, it is indeed necessary to provide a connector that can be repeatedly and safely plugged.

Utility model content

The purpose of the invention of the utility model is to overcome the defects of the prior art and provide a connector that can be repeatedly and safely plugged.

In order to achieve the purpose of the above utility model, the utility model provides a connector, which includes:

A socket connector, including a socket housing, a socket body sealingly connected to the socket housing, and a socket contact terminal provided on the socket body; and

The plug connector is pluggably electrically connected to the socket connector and is electrically connected to the external cable. It includes a plug housing and a jack assembly accommodated in the plug housing. The jack assembly is provided with an inner insulating terminal, and the inner insulating terminal is away from the One end of the external cable is covered with a copper sleeve, and one end close to the external cable is provided with a positioning card, and the copper sleeve is embedded with axially distributed springs.

As an improvement of the connector of the utility model, a sealing ring is provided at the plugging and unplugging part of the plug shell and the socket connector.

As an improvement of the connector of the present invention, the plug shell and the external cable are sealed by a waterproof plug.

As an improvement of the connector of the present invention, a cable shielding layer is provided on the outer side of the copper sleeve, and the cable shielding layer is in contact with the plug shielding layer arranged on the outside of the jack assembly, and a shielding layer is provided between the plug shielding layer and the jack assembly. With insulating cap.

As an improvement of the connector of the utility model, the distance between the two ends of the spring and the two ends of the copper sleeve is 1.5-2.5 mm.

As an improvement of the connector of the utility model, the length of the inner positioning card is 0.5-1.5 mm, and the thickness is 0.1-0.4 mm.

As an improvement of the connector of the utility model, blind installation holes are opened around the socket body, and copper sleeves with internal threads are embedded in the blind installation holes.

As an improvement of the connector of the utility model, the outlet of the external cable is perpendicular or parallel to the socket connector.

Compared with the prior art, the utility model connector has the following beneficial effects:

1) By increasing the copper sleeve, the contact area between the spring and the inner insulation terminal can be effectively increased, the temperature rise can be significantly reduced, the friction can be reduced, and the wear of the coating can be effectively protected;

2) By adding a positioning card, the movement of the inner insulating terminal in the longitudinal direction is prevented, thereby increasing the number of plugging and unplugging of the connector, up to 1000 times;

3) By increasing the shielding layer, the EMC level required by the national standard can be achieved;

4) By adding waterproof plugs and sealing rings, the connector meets the requirements of IP68;

5) By inlaying a copper sleeve with internal threads on the socket and adding a gasket on the bottom surface, the locking torque value is effectively improved and the compression of the gasket is ensured, which improves the safety performance of the battery system and avoids plastic connectors The risks of IP68, IPXXB, IPXXD and EMC failure appear in the process of continuous plugging and unplugging, which directly reduces the cost of after-sales maintenance.

Description of drawings

The connector of the present invention and its beneficial technical effects will be described in detail below in conjunction with the accompanying drawings and specific implementation methods, wherein:

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

Fig. 2 is a schematic structural diagram of the plug connector in the connector of the present invention.

FIG. 3 is an enlarged schematic view of the circled part A in FIG. 2 .

Fig. 4 is a schematic structural diagram of the socket connector in the connector of the present invention.

Fig. 5 is a schematic structural diagram of the copper sleeve in the connector of the present invention.

Fig. 6 is a schematic structural diagram of the copper sleeve in the connector of the present invention.

Fig. 7 is a schematic structural diagram of the inner insulating terminal in the connector of the present invention.

Fig. 8 is a schematic diagram of the assembly of the inner insulating terminal and the copper sleeve in the connector of the present invention.

FIG. 9 is a schematic structural view of another embodiment of the connector of the present invention.

detailed description

In order to make the purpose of the invention, technical solutions and beneficial technical effects of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.

Please refer to Figures 1 to 4, the utility model connector includes:

The socket connector 20 includes a socket shell 202, a socket body 204 sealedly connected to the socket shell 202, and a socket contact terminal 206 provided on the socket body 204, and the socket contact terminal 206 is used for inputting a large current; and

The plug connector 10 is pluggably and electrically connected to the socket connector 20 and is electrically connected to the external cable 102. It includes a plug housing 104 and a jack assembly 106 accommodated in the plug housing 104. The jack assembly 106 is provided with an internal The insulated terminal 108 is covered with a copper sheath 110 at the end of the inner insulated terminal 108 away from the external cable 102 , and a positioning card 112 is provided at the end close to the external cable 102 . The copper sheath 110 is embedded with axially distributed springs 114 .

Please refer to FIG. 1 , the outlet of the external cable 102 is perpendicular to the socket connector 20 , which is suitable for occasions where the space on the front of the plug connector 10 is large.

Please refer to Fig. 1 to Fig. 3, a sealing ring 116 is provided at the plugging and unplugging part of the plug shell 104 and the socket connector 20, and the plug shell 104 and the external cable 102 are sealed by a waterproof plug 118, so that the connector meets the requirements of IP68 .

Please refer to FIG. 3 , there is a cable shielding layer 117 on the outside of the copper sleeve 110 , and the cable shielding layer 117 is in contact with the plug shielding layer 120 on the outside of the socket assembly 106 to meet the EMC standard required by the national standard. An insulating cap 122 is disposed between the plug shielding layer 120 and the socket assembly 106 .

Please refer to Fig. 3, Fig. 5 and Fig. 6, copper sleeve 110 is embedded with copper springs 114 distributed axially, the length of copper spring 114 is 8 mm, the pitch is 0.5 mm, the height of copper sleeve 110 is 12 mm, and the wall thickness is 0.75 mm. mm. The distance between the two ends of the copper spring 114 and the two ends of the copper sleeve 110 is 1.5-2.5 mm, preferably 2 mm. Such setting can effectively increase the contact area between the spring 114 and the inner insulating terminal 108 under the premise of ensuring a small volume and a compact structure, and improve the heat dissipation efficiency. The pulling process can reduce friction, avoid the wear of the coating, increase the number of insertions and extractions, and make the number of insertions and extractions reach 1000 times.

Referring to FIG. 2 , FIG. 7 and FIG. 8 , two positioning cards 112 are provided at one end of the inner insulating terminal 108 near the outer cable 102 . The positioning card 112 has a length of 0.5-1.5 mm, preferably 1 mm, an inclination angle of preferably 45°, and a thickness of 0.1-0.4 mm, preferably 0.2 mm. The positioning card 112 prevents the longitudinal movement of the inner insulating terminal 108 when plugging and unplugging the plug connector 10 , and the thread prevents the transverse movement of the inner insulating terminal 108 , which significantly improves the stability of the inner insulating terminal 108 .

Please refer to FIG. 4 , blind holes 208 are defined around the socket body 204 of the socket connector 20 , and a copper sleeve 210 with internal threads is embedded in the blind holes 208 . Among them, the thread specification is M5, which can well ensure the realization of torque and avoid the failure risk of vibration loosening. A sealing gasket is installed on the bottom surface of the socket connector 20, which can well meet the requirements of IPX8 and avoid the risk of failure due to water immersion.

It should be noted that, as shown in FIG. 9 , according to another embodiment of the present invention, the outlet of the external cable 102 may be in parallel with the socket connector 20 , which is suitable for those with a small space on the front of the plug connector 10 . occasion.

In combination with the above description of the embodiments of the present invention, it can be seen that compared with the prior art, the connector of the present invention has the following beneficial effects:

1) By increasing the copper sleeve 110, the contact area between the spring 114 and the inner insulating terminal 108 can be effectively increased, the temperature rise is significantly reduced, the friction is reduced, and the wear of the coating is effectively protected;

2) By adding the positioning card 112, the movement of the inner insulating terminal 108 in the longitudinal direction is prevented, thereby increasing the number of insertion and extraction times of the connector, up to 1000 times;

3) By increasing the shielding layer 117, the EMC level required by the national standard is achieved;

4) By adding waterproof plug 118 and sealing ring 116, the connector meets the requirements of IP68;

5) By inlaying the copper sleeve 210 with internal thread in the socket and adding a gasket on the bottom surface, the locking torque value can be effectively improved and the compression amount of the gasket can be ensured, the safety performance of the battery system is improved, and plastic connectors are avoided The risks of IP68, IPXXB, IPXXD and EMC failure appear in the process of continuous plugging and unplugging, which directly reduces the cost of after-sales maintenance.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also make appropriate changes and modifications to the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (8)

1. a kind of connector, it is characterised in that including：

Socket connector, including jack housing, the jack body for being sealedly attached to jack housing, and inserting located at jack body Seat contact terminal；And

Plug connector, pluggable to be electrically connected to socket connector and be electrically connected to external cable, it includes plug body and receipts Be dissolved in the plugging hole component in plug body, be provided with interior insulation terminal in plugging hole component, interior insulation terminal away from external cable one End is cased with copper sheathing, and positioning cards are provided with close to one end of external cable, and copper sheathing is embedded with the spring of axially distribution.

2. connector according to claim 1, it is characterised in that set at the plug of the plug body and socket connector There is sealing ring.

3. connector according to claim 1, it is characterised in that pass through waterproof between the plug body and external cable Bolt is sealed.

4. connector according to claim 1, it is characterised in that provided with cable shielding layer, cable screen on the outside of the copper sheathing Cover plug shield layer of the layer with being located on the outside of plugging hole component to contact, insulator cap is provided between plug shield layer and plugging hole component.

5. connector according to claim 1, it is characterised in that the both ends of the spring is to the distance of copper sheathing both ends of the surface 1.5~2.5mm.

6. connector according to claim 1, it is characterised in that the length of the positioning cards is 0.5~1.5mm, thick Spend for 0.1~0.4mm.

7. connector according to claim 1, it is characterised in that the jack body surrounding offers installing blind, peace Dress blind hole is embedded with tapped copper sheathing.

8. connector according to any one of claim 1 to 7, it is characterised in that the outlet method of the external cable To be perpendicular or parallel with socket connector.