CN218215981U - A kind of interface unit - Google Patents

Abstract

The utility model provides a connector, includes socket and plug, is equipped with on the socket to be used for socket and plug to insert to close the first guide structure of complex, is equipped with on the plug to insert with first guide structure and closes the complex second guide structure, still includes when socket and plug are inserted, can the first guide structure of electric conduction and second guide structure to make first guide structure and second guide structure insert the contact that possesses the ground connection function after closing. The utility model discloses a connector is through carrying out ground connection processing on the guide structure in the connector area certainly, makes the guide structure of connector possess the ground connection function to make the connector need not to set up the ground connection piece alone, simplify the structure of connector, reduced the overall dimension of connector, reduce the preparation cost of connector.

Description

a connector

technical field

The utility model relates to the technical field of connectors, in particular to a connector.

Background technique

In order to meet the requirements of new energy vehicles for the faster and faster power supply system, new energy vehicles often replace the battery with insufficient power with a fully charged battery through the power exchange connector, and the special equipment continues to complete the battery with insufficient power. The charging of the battery can greatly save the waiting time of the user and improve the user experience.

In the currently commonly used power exchange connectors, the grounding measures between the plug and the socket usually use a separate grounding contact to achieve grounding conduction through a separate grounding contact. The connector with a separate grounding contact has a complex structure and volume. Big and expensive.

Utility model content

The purpose of the utility model is to provide a connector to solve the problems of complex structure, large size and high cost of the existing connectors caused by the need for separate grounding contacts.

The technical scheme that the utility model adopts in order to achieve the above object is:

A connector, including a socket and a plug, the socket is provided with a first guide structure for mating and mating between the socket and the plug, and the plug is provided with a second guide structure for mating and mating with the first guide structure, and also includes When the plug is mated, it is a contact piece that can conduct electricity between the first guiding structure and the second guiding structure, so that the first guiding structure and the second guiding structure can have a grounding function after mating.

As a preferred solution of the present invention, the first guide structure is a guide pin made of conductive material arranged on the socket, and the second guide structure is a guide hole arranged on the plug and adapted to the guide pin.

As a preferred solution of the present invention, the guide hole is covered with a guide sleeve made of conductive material and adapted to the guide pin.

As a preferred solution of the present invention, the guide sleeve is provided with an external thread, and the guide hole is provided with an internal thread adapted to the external thread.

As a preferred solution of the present invention, there is also a lubricating sleeve made of non-metallic material in the guide hole, which is not completely overlapped with the guide sleeve along the guiding direction of the socket and the plug.

As a preferred solution of the present invention, the contact piece is sleeved outside the guide pin, and can be in close contact with the guide hole after the guide pin is inserted into the guide hole, so as to realize the guide pin.

As a preferred solution of the present invention, the guide pin is also sleeved with a second contact spring for improving the stability of electrical conduction between the guide pin and the socket housing.

As a preferred solution of the present utility model, a sealing ring for sealing and protecting the first contact spring is provided between the guide pin and the socket housing.

As a preferred solution of the present invention, the socket is provided with a first bolt hole which is convenient for grounding the socket shell and the outside.

As a preferred solution of the present invention, the plug is provided with a second bolt hole which is convenient for grounding the plug shell and the outside.

Beneficial effects of the utility model:

The connector of the utility model, through the grounding treatment on the guide structure of the connector, is provided with a grounding structure that is convenient for grounding, so that the guide structure of the connector has a grounding function, so that the connector does not need to be provided with a separate grounding piece, which simplifies The structure of the connector reduces the external dimension of the connector and reduces the preparation cost of the connector.

Description of drawings

Fig. 1 is a schematic structural diagram of a socket in a connector provided by an embodiment;

Fig. 2 is a schematic structural view of the plug in the connector provided by the embodiment;

Fig. 3 is a schematic diagram of the structure of the connector provided by the embodiment in a mated state.

Mark among the figure: 1, plug, 101, the first bolt hole, 102, sealing ring, 103, the first contact spring, 104, the second contact spring, 105, guide pin, 2, socket, 201, guide sleeve, 202, Lubricating sleeve, 203, the second bolt hole.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. In the description of the utility model, it should be noted that unless otherwise specified, the meaning of "multiple" is two or more; ", "bottom", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and other indications are based on the attached drawings The orientation or positional relationship shown is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to the present invention. Utility model restrictions.

The utility model provides a specific embodiment of a connector:

As shown in Figures 1 to 3, the connector of this embodiment includes a socket 2 and a plug 1, wherein a first guide structure is provided on the socket 2, a second guide structure is provided on the plug 1, and the second guide structure is connected to the plug 1. The first guide structure forms a guide structure for the mating process of the socket and the plug, and the second guide structure is mated with the first guide structure to realize the guiding function of the plug 1 and the socket 2 during the mating process, which is different from the traditional connector The difference between setting a separate grounding piece to achieve grounding conduction is that in this embodiment, the grounding piece is no longer provided separately on the connector, but a grounding structure that realizes the grounding function is set in the mating guide structure that comes with the connector. With reference to the drawings, the connector of this embodiment also includes a contact piece, which can electrically connect the first guide structure and the second guide structure when the socket 2 and the plug 1 are mated, and electrically conduct the first guide structure and the second guide structure. After the structure is completed, the first guide structure and the second guide structure can be mated to have a grounding function, and the grounding treatment is performed on the guide structure of the connector, which simplifies the structure of the connector, reduces the overall size of the connector, and reduces the connector's preparation cost.

As shown in Fig. 1, in this embodiment, the first guide structure is a guide pin 105 arranged on the socket 2, the guide pin 105 is made of conductive material, such as metal materials such as copper and iron, and the second guide structure is arranged on the plug 1, the guide hole is adapted to the guide pin 105, that is, the guide pin 105 can be inserted into the guide hole, and the two form a guide structure for connector insertion, as shown in Figure 3, in order to facilitate the connection between the socket 2 and the plug 1 Insertion guide, two sets of guide pins 105 and guide holes are respectively provided in one-to-one correspondence, and are respectively arranged on both sides of the socket 2 and the plug 1. At this time, a double-sided guide structure is formed for grounding, and the outer diameter of the guide pin is usually much larger than that of a single The outer diameter of the grounding member during installation makes the grounding connection more reliable. It can be understood that multiple sets of guide pins 105 and guide holes can be provided in one-to-one correspondence.

It can be understood that in other embodiments, a guide hole can also be provided on the socket 2, and a guide pin 105 can be provided on the plug 1. Here, there is no special requirement on the guide structure of the connector, only the first guide structure A contact piece is provided on it, and it only needs that the contact piece can conduct electricity between the first guide structure and the second guide structure when the socket 2 is mated with the plug 1 .

As shown in Fig. 2, except that the shell of the plug 1 itself forms the guide hole for the guide pin 105 to guide and insert, a guide sleeve 201 can be set in the guide hole of the plug 1, and the guide sleeve 201 is made of conductive material. Prepared to ensure the effect of electrical conduction, the guide sleeve 201 can be made of metal materials such as copper and iron, and the guide sleeve 201 is adapted to the guide pin 105, that is, the guide sleeve 201 can be installed behind the guide hole to make the guide pin 105 Insert and pull out freely. When installing the guide sleeve 201, an external thread can be provided on the guide sleeve 201, and an internal thread can be provided in the guide hole. The threaded installation of the guide sleeve 201 can be realized by engaging the internal thread and the external thread.

2, in order to facilitate the insertion of the guide pin 105 and the guide hole, a lubricating sleeve 202 is also provided in the guide hole. The lubricating sleeve 202 is made of non-metallic materials, such as rubber, acrylic and other materials. In order to ensure that the lubricating sleeve 202 It can play a role. In the guide direction of socket 2 and plug 1 mating, the lubricating sleeve 202 and the guide sleeve 201 are not completely overlapped, that is, the lubricating sleeve 202 and the guide sleeve 201 can be completely staggered in the mating direction. Partially overlapping, but at least a part of the lubricating sleeve 202 should be able to interact with the guide pin 105. As shown in FIG. It can be understood that, generally, the inner diameter of the lubricating sleeve 202 is slightly smaller than the inner diameter of the guide sleeve 201 .

Wherein, the contact piece can be arranged on the first guide structure or on the second guide structure. It can be understood that no matter whether the contact piece is on the first guide structure or on the second guide structure, the contact piece is used to realize The electrical conduction between the first guide structure and the second guide structure, and the difference in their specific positions in the connector should not be understood as a limitation on their electrical conduction. In this embodiment, the contact is arranged on the first guide structure. As shown in Figure 1, the contact piece is the first contact spring 103 sleeved outside the guide pin 105, usually a ring groove is set on the guide pin 105, and the first contact spring 103 is installed in the ring groove. After the pin 105 is inserted into the guide hole, the first contact spring 103 can be in close contact with the guide hole, thereby realizing electrical conduction between the guide pin 105 and the guide hole. The spring 103 is in close contact with the guide sleeve 201 . After the grounding function is combined with the guiding structure, the grounding structure can also take into account the shielding conduction function and enhance the EMC function of the connector.

1 and 3, in this embodiment, a second contact spring 104 is sheathed on the guide pin 105, and the second contact spring 104 can be set in the same manner as the first contact spring 103. The second contact spring 104 is used to improve the stability of electrical conduction between the guide pin 105 and the housing of the socket 2 .

As shown in FIG. 1 and FIG. 3 , in this embodiment, a seal ring 102 is provided between the guide pin 105 and the housing of the socket 2, and the position of the seal ring 102 is set near the outside of the socket housing, that is, away from the socket for plugging in. On the closed side, the sealing ring 102 is used to seal and protect the first contact spring 103, so as to prevent foreign impurities from the socket 2 from entering the first contact spring 103, so as to realize sealing protection for the contact point of the first contact spring 103, as mentioned above , when the second contact spring 104 is provided, the sealing ring 102 plays a role of sealing protection for both the first contact spring 103 and the second contact spring 104 .

As shown in FIG. 3 , a first bolt hole 101 is provided on the socket 2, and the first bolt hole 101 is used to facilitate grounding of the socket shell and the outside. Similarly, a second bolt hole 203 is provided on the plug 1. The second bolt hole 203 is used to facilitate the connection between the plug housing and the external ground.

It should be noted that the parts not described in detail herein are prior art, and the above-mentioned embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above-mentioned embodiments. Any simple modifications, equivalent changes and modifications all fall within the protection scope of the present utility model.

Claims (10)

1. The utility model provides a connector, includes socket (2) and plug (1), is equipped with on socket (2) to be used for socket (2) to insert with plug (1) and closes the first guide structure of complex, is equipped with on plug (1) to insert with first guide structure and closes complex second guide structure, its characterized in that: the contact piece is characterized by further comprising a contact piece which can electrically conduct the first guide structure and the second guide structure when the socket (2) is inserted into the plug (1) so that the first guide structure and the second guide structure are provided with a grounding function after being inserted.

2. A connector as claimed in claim 1, characterized in that the first guide structure is a guide pin (105) made of an electrically conductive material provided on the socket (2), and the second guide structure is a guide hole provided on the plug (1) to be fitted with the guide pin (105).

3. A connector as claimed in claim 2, characterized in that the guide holes are provided with guide sleeves (201) made of electrically conductive material and adapted to the guide pins (105).

4. A connector according to claim 3, characterized in that the guide sleeve (201) is provided with an external thread, and an internal thread adapted to the external thread is provided in the guide hole.

5. A connector according to claim 3, characterized in that a lubricating sleeve (202) made of non-metallic material and arranged in a non-perfect overlapping manner with the guide sleeve (201) in the guiding direction of the socket (2) and the plug (1) is further arranged in the guide hole.

6. A connector as set forth in any of claims 2-5, characterized in that said contact member is a first contact spring (103) fitted around the guide pin (105) and capable of coming into close contact with the guide hole after the guide pin (105) is inserted into the guide hole to electrically connect the guide pin (105) with the guide hole.

7. A connector according to claim 6, characterized in that said guide pin (105) is further provided with a second contact spring (104) for improving the stability of the electrical connection of the guide pin (105) to the housing of the socket (2).

8. A connector according to claim 6, characterized in that a sealing ring (102) for sealingly protecting the first contact spring (103) is provided between the guide pin (105) and the housing of the socket (2).

9. A connector according to claim 1, wherein the socket (2) is provided with a first bolt hole (101) for facilitating the grounding of the socket housing to the outside.

10. A connector according to claim 1, characterized in that the plug (1) is provided with a second bolt hole (203) for facilitating the attachment of the plug housing to the outside.

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