CN213425261U

CN213425261U - Contact type connector

Info

Publication number: CN213425261U
Application number: CN202021868590.7U
Authority: CN
Inventors: 杨建波; 胡晓羽; 曹碧颖; 李福生; 殷志柱
Original assignee: Shanghai Electric Group Corp
Current assignee: Shanghai Electric Group Corp
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-11
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to the technical field of electric connectors and discloses a contact type connector which comprises a contact end and a contact seat end which are matched with each other; the contact end comprises at least one contact, the contact comprises a first contact surface, the contact seat end comprises a contact seat in one-to-one correspondence with the contact, the contact seat comprises a second contact surface, the first contact surface and the second contact surface are both planes, and when the contact end is in contact with the contact seat end, the first contact surface is in one-to-one correspondence with the second contact surface. Because first contact surface and second contact surface are the plane in this contact connector, when first contact surface contacted with the second contact surface, plane contact structure can effectively reduce wearing and tearing, can increase the life-span of connector to can increase the contact and touch the area of contact of seat, reduce the loss of contact.

Description

Contact type connector

Technical Field

The utility model relates to an electric connector technical field, in particular to contact connector.

Background

With the large-scale popularization and application of new energy electric vehicles, the demand of charging infrastructure is increasingly urgent. With the continuous development of the technology, some application scenarios put higher demands on high-power rapid charging and life, such as 700A/1000V power demand and fifteen ten thousand life demands of enterprises.

In the prior art, based on a national standard alternating current interface, a common charging interface is a plug-in type charging interface, and the structure easily causes interface abrasion in the connection and disconnection processes, possibly causes poor contact, and reduces the service life of the connector; and the other connector is in cambered surface extrusion type contact, and needs larger extrusion force to increase the contact area, otherwise, the excessive contact loss is easily generated, and the situation of large current is more serious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contact connector, above-mentioned contact connector can effectively reduce wear, increases the life-span of connector to can reduce the contact loss.

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

a contact connector includes a contact end and a contact base end that are mated with each other;

the contact end comprises at least one contact, the contact comprises a first contact surface, the contact seat end comprises a contact seat in one-to-one correspondence with the contact, the contact seat comprises a second contact surface, the first contact surface and the second contact surface are both planes, and when the contact end is in contact with the contact seat end, the first contact surface is in one-to-one correspondence with the second contact surface.

The contact connector provided by the embodiment of the utility model comprises a contact end and a contact seat end which are mutually matched, wherein the contact end comprises at least one contact, each contact is provided with a first contact surface, the contact seat end comprises contact seats which are in one-to-one correspondence with the contacts, each contact seat is provided with a second contact surface, wherein, the first contact surface and the second contact surface are both planes, when the contact end is contacted with the contact seat end, the first contact surface is contacted with the second contact surface in a one-to-one correspondence way, and in each group of corresponding contact and contact seat, the contact and the contact seat are respectively used as a positive pole and a negative pole aiming at the requirement of high-power direct current charging, because the first contact surface and the second contact surface are both planes, when the first contact surface is contacted with the second contact surface, the plane contact structure can effectively reduce abrasion, can prolong the service life of the connector, can increase the contact area of the contact and the contact seat, and reduces contact loss.

Optionally, the area of the second contact surface is larger than the area of the first contact surface.

Optionally, the contact end comprises a contact carrier on which at least one of the contacts is mounted.

Alternatively, the contact may be movable on the contact carrier in a direction perpendicular to the first contact surface.

Optionally, the contact end still includes contact sleeve, stationary blade and contact spring, be provided with on the contact support with the mounting hole of contact one-to-one, the contact sleeve penetrates in the mounting hole, the stationary blade is located one side of contact support, be used for making contact sleeve's one end with the contact support is fixed, the contact set up in the contact sleeve, the contact is kept away from one side of stationary blade exposes the contact sleeve, the contact spring be located the stationary blade with between the contact, just contact spring's both ends respectively with stationary blade and contact are connected.

Optionally, the contact spring is one of a coil spring, a bellows spring and a disc spring.

Optionally, the contact end comprises two of the side-by-side contacts.

Optionally, the contact base end further comprises a contact base support, wherein a mounting groove corresponding to the contact base one to one is formed in the contact base support, and the contact base is embedded into the mounting groove.

Optionally, a protrusion is arranged on one side, facing the contact seat support, of the contact seat, and a screw hole used for being connected with a cable is formed in the protrusion.

Optionally, the bottom of the mounting groove has a through hole corresponding to the protrusion.

Drawings

Fig. 1 is a schematic structural diagram of a contact connector according to an embodiment of the present invention;

fig. 2 is an exploded view of a contact connector according to an embodiment of the present invention;

fig. 3 is a diagram illustrating a usage state of a contact connector according to an embodiment of the present invention.

Icon:

1-a contact end; 11-a contact; 111-a first contact surface; 12-a contact carrier; 121-mounting holes; 122-a card slot; 13-a contact sleeve; 131-folding; 14-a fixing sheet; 15-contact spring; 2-a contact base end; 21-a contact base; 211-a second contact surface; 212-a bump; 22-a contact mount support; 221-an installation groove; 222-through holes.

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, 2 and 3, an embodiment of the present invention provides a contact connector, which includes a contact end 1 and a contact base end 2 that are engaged with each other;

the contact end 1 comprises at least one contact 11, the contact 11 comprises a first contact surface 111, the contact base end 2 comprises a contact base 21 corresponding to the contact 11 one by one, the contact base 21 comprises a second contact surface 211, the first contact surface 111 and the second contact surface 211 are both flat surfaces, and when the contact end 1 contacts with the contact base end 2, the first contact surface 111 contacts with the second contact surface 211 in a one-to-one correspondence manner.

The embodiment of the utility model provides a contact connector, including contact end 1 and contact seat end 2 that mutually support, contact end 1 includes at least one contact 11, have first contact surface 111 on each contact 11, contact seat end 2 includes the contact seat 21 with contact 11 one-to-one correspondence, have second contact surface 211 on each contact seat 21, wherein, first contact surface 111 and second contact surface 211 are the plane, when contact end 1 contacts with contact seat end 2, first contact surface 111 contacts with second contact surface 211 one-to-one correspondence, to high-power direct current charging demand, in each corresponding contact of group and contact seat, contact and contact seat regard as positive pole and negative pole respectively, because first contact surface and second contact surface are the plane, when first contact surface contacts with the second contact surface, the plane contact structure can effectively reduce wearing and tearing, can increase the life-span of connector, and can increase the contact area with the contact seat, and the contact loss is reduced.

In one possible embodiment, the area of the second contact surface 211 is larger than the area of the first contact surface 111, so as to provide a desired contact tolerance, and even if the contact end has a certain position deviation, the area of the second contact surface of the contact seat can still contain the area of the first contact surface of the contact when the contact contacts with the contact seat, so as to realize effective connection between the contact end and the contact seat end. In specific implementation, the area of the first contact surface 111 and the area of the second contact surface 211 may be determined according to actual situations, and are not limited herein, for example, for a high-power charging requirement, the area of the first contact surface of the contact and the area of the second contact surface of the contact base may be appropriately designed, so as to correspondingly improve the current-carrying capacity and meet the high-power charging requirement.

In a possible embodiment, as shown in fig. 1, the contact end 1 may include two side-by-side contacts 11, and the contact seat end 2 includes two contact seats 21 corresponding to the contacts 11 one by one, specifically, the cross-sectional shape of the contact 11 may be a square, and the cross-sectional shape of the contact seat 21 may also be a square matching with the cross-sectional shape of the contact 11. In practical implementation, the cross-sectional shape of the contact and the cross-sectional shape of the contact seat may also be other shapes, which are determined according to practical selection and are not limited herein.

In a possible embodiment, the contact end 1 further comprises a contact carrier 12, at least one contact 11 being mounted on the contact carrier 12. Specifically, the contact end 1 may be fixedly mounted on the contact support 12, or may be movably mounted on the contact support 12.

Specifically, as shown in fig. 2, the contact 11 is movable on the contact holder 12 in a direction perpendicular to the first contact surface 111.

Specifically, the contact end 1 further includes a contact sleeve 13, a fixing piece 14 and a contact spring 15, a mounting hole 121 corresponding to the contact 11 is formed in the contact support 12, the contact sleeve 13 penetrates into the mounting hole 121, the fixing piece 14 is located on one side of the contact support 12 and used for fixing one end of the contact sleeve 13 to the contact support 12, the contact 11 is disposed in the contact sleeve 13, the contact sleeve 13 is exposed on one side of the contact 11, which is far away from the fixing piece 14, the contact spring 15 is located between the fixing piece 14 and the contact 11, and two ends of the contact spring 15 are connected with the fixing piece 14 and the contact respectively. In the above-mentioned structure of the contact end 1, the contact 11 can perform reciprocating movement within a preset distance range in the contact sleeve 13, and the contact spring 15 can provide a required contact pressing force when the contact end 1 contacts with the contact holder end 2, so that the first contact surface 111 is effectively contacted with the second contact surface 211.

Specifically, in the fixing structure of the contact holder 12, the fixing piece 14 and the contact sleeve 13, a folded edge 131 is formed around one end of the contact sleeve 13 connected to the fixing piece 14, a slot 122 engaged with the folded edge 131 is formed on one side of the mounting hole 12 close to the fixing piece 14, the contact sleeve 13 penetrates into the mounting hole 121, the folded edge 131 of the contact sleeve 13 is engaged with the slot 122 at one end of the mounting hole 121, and the fixing piece 14 fixes the folded edge 131 on the contact holder 12.

The sectional shape of the mounting hole 121 and the sectional shape of the contact sleeve 13 in the contact holder 12 may be matched to the shape of the contact 11, that is, the sectional shape of the mounting hole 121 and the sectional shape of the contact sleeve 13 are the same as the sectional shape of the contact 11.

Specifically, the contact spring 15 may be one of a coil spring, a bellows spring, and a disc spring, and is simple in structure and easy to implement. In practical applications, the contact spring 15 may be other springs as long as the function of the contact spring is achieved, and is not limited herein.

In a possible embodiment, as shown in fig. 2, the contact seat end 2 further includes a contact seat support 22, the contact seat support 22 is formed with mounting grooves 221 corresponding to the contact seats 21 one by one, and the contact seats 21 are embedded in the mounting grooves 221 to protect the contact seats from abrasion.

Specifically, a protrusion 212 is disposed on a side of the contact base 21 facing the contact base bracket 22, and a screw hole for connecting a cable is formed on the protrusion 212.

Specifically, the bottom of the mounting groove 221 has a through hole 222 corresponding to the protrusion 212.

It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A contact connector is characterized by comprising a contact end and a contact seat end which are matched with each other;

2. The contact connector according to claim 1, wherein the second contact surface has an area larger than that of the first contact surface.

3. The contact connector of claim 1, wherein the contact end includes a contact carrier, at least one of the contacts being mounted on the contact carrier.

4. The contact connector according to claim 3, wherein the contact is movable on the contact holder in a direction perpendicular to the first contact surface.

5. The contact connector according to claim 4, wherein the contact end further comprises a contact sleeve, a fixing plate and a contact spring, the contact support is provided with mounting holes corresponding to the contacts one to one, the contact sleeve penetrates into the mounting holes, the fixing plate is located on one side of the contact support and used for fixing one end of the contact sleeve with the contact support, the contacts are arranged in the contact sleeve, one side of the contacts, which is far away from the fixing plate, is exposed out of the contact sleeve, the contact spring is located between the fixing plate and the contacts, and two ends of the contact spring are respectively connected with the fixing plate and the contacts.

6. The contact connector of claim 5, wherein the contact spring is one of a coil spring, a bellows spring, and a disc spring.

7. The contact connector according to any one of claims 1 to 6, wherein the contact end comprises two of the contacts side by side.

8. The contact connector according to claim 1, wherein the contact end further comprises a contact holder bracket, wherein the contact holder bracket is formed with mounting grooves corresponding to the contact holders one by one, and the contact holders are embedded in the mounting grooves.

9. The contact connector according to claim 8, wherein a protrusion is provided on a side of the contact holder facing the contact holder bracket, and a screw hole for connecting a cable is formed on the protrusion.

10. The contact connector according to claim 9, wherein the bottom of the mounting groove has a through hole corresponding to the projection.