CN203180122U - Electric connector with plane contact point - Google Patents

Abstract

The utility model provides an electric connector with plane contact points; the electric connector comprises at least two pairs of contact points, springs, a pair of insulation housings and fastening elements; the contact point is conductive and is provided with electric contact surfaces for plane contact; one end of each pair of contact points is fixedly arranged in one insulation housing through the fastening elements, and the other end of the contact points is correspondingly and fixedly arranged in the other insulation housing through the fastening elements, so two ends of the electric connector are formed; and one end of each pair of contact points is provided with the spring to keep pressure to the contact point on the other end. The electric connector integrated with plurality of pairs of plane contact points occupies small axial direction space, is simple in structure, can bear large current, has excellent contact surface combination, and is small in contact resistance and high in integrated level; and when the electric connector is arranged on a vehicle body, connection between a cell box and the vehicle is more reliable.

Description

An electrical connector with planar contacts

technical field

The utility model belongs to the field of electrical technology, in particular, the utility model relates to an electrical connector which can adapt to relatively large positioning errors and is composed of electrical contacts in plane contact.

Background technique

As a clean, environment-friendly and green vehicle, electric vehicles have attracted great attention from governments and automobile manufacturers around the world. Electric vehicles represented by pure electric vehicles, hybrid vehicles, and fuel cell vehicles will surely become important means of transportation in the 21st century. Among them, pure electric vehicles have experienced a long period of development, the technology is becoming more and more mature, and the relevant technical testing standard system has been perfected, and it has been commercialized and applied in the United States, Japan, Europe and other countries and regions, especially in special municipal applications. Vehicles, fixed-line buses, official fleet vehicles and private vehicles.

The known secondary battery technology cannot provide higher energy density. In order to ensure the driving range, electric vehicles currently adopt the method of replacing the battery box.

In practice, in order to solve the problem of fast electrical connection between the battery box and the vehicle, many different methods have been adopted, such as electrical connectors with wire spring structure, elastic pin-hole electrical connectors for manual insertion, and tongue-shaped electrical connectors for manual insertion. Electrical connectors, etc. The electrical connectors with the above structure are easy to be ablated and damaged, difficult to realize automatic replacement, require high positioning accuracy, and are not resistant to vibrations, etc.; there is also an electrical connector with elastic plane contact, which has low alignment accuracy requirements and can be used Realize automatic replacement, and thus obtain large-scale application.

The planar contact electrical connector is composed of two contacts and two shells corresponding to the two contacts respectively, which has problems such as low integration and scattered installation, and is not easy to maintain and install.

Utility model content

In order to solve the above shortcomings of the prior art, the utility model provides an electrical connector with planar contacts to overcome the drawbacks of the prior art.

The electrical connector provided by the utility model includes at least two pairs of contacts, a spring, a pair of insulating shells and fastening elements. The contacts are electrically conductive and have an electrical contact plane in planar contact; one end of each pair of the contacts is fixedly installed in an insulating housing through the fastening element, and the other end of the contacts is correspondingly fixed through the fastening element. Components are fixedly mounted in another insulating housing to form the two ends of said electrical connector; one end of each pair of said contacts is fitted with a spring to maintain pressure on the contacts at the other end.

Preferably, the fastening element is a screw, a snap ring or a pin.

Preferably, the spring is any elastic element with an elastic support function.

Preferably, the elastic element is a disc spring, a cylindrical coil spring, a conical coil spring, a plate spring, a leaf spring or a rubber spring.

Preferably, the shape of the contact is cylindrical, stepped shaft, plate or sheet.

Preferably, the electrical contact plane is circular, rectangular, irregular, a collection of regular or irregular surfaces with equal height electrical contact planes, or a regular or irregular contour plane.

Preferably, the electrical contact plane has a gold- or silver-containing coating.

Preferably, the electrical connector further includes pins and sockets, wherein the pins are mounted in one insulating shell, and the sockets are mounted in another insulating shell, and the pins and sockets are located in at least two pairs between the contacts to form the two ends of the electrical connector.

Preferably, grooves are provided on the electrical contact plane.

Preferably, the grooves are perpendicular to each other.

Therefore, the electrical connector integrated with multiple pairs of planar contact contacts provided by the utility model has the advantages of small axial space occupation, simple structure, high current resistance, good contact surface bonding, small contact resistance, and high integration. When installed on the vehicle body, it makes the connection between the battery box and the vehicle more reliable.

Description of drawings

Fig. 1 is a structural schematic diagram of an electrical connector with two pairs of contacts of the present invention;

Fig. 2 is a structural schematic diagram of an electrical connector with multiple pairs of contacts of the present invention;

Fig. 3 is a structural schematic diagram of an electrical connector with two pairs of contacts and a pin-jack combination of the present invention;

FIG. 4 is a schematic diagram of grooves on the electrical contact surface of the present invention.

The reference signs are explained as follows:

Contact 1, spring 2, insulating shell 3, pin 4, socket 5, electrical contact plane 6, groove 7.

Detailed ways

In order to enable the examiner to further understand the structure, features and other purposes of the utility model, the attached preferred embodiments are attached with accompanying drawings in detail as follows. The embodiments illustrated in the accompanying drawings are only used to illustrate the utility model The technical solution does not limit the utility model.

As shown in Figure 1, Figure 1 is a schematic structural diagram of an electrical connector with two pairs of contacts of the present invention, and the two pairs of contacts 1 are respectively installed in two insulating shells 3 to form two ends of the electrical connector; The two insulating shells 3 are respectively mounted on a relatively fixed position, such as on the vehicle body, and on a movable object, such as a battery box; the contact 1 at one end is elastically supported by the spring 2; the contact 1, the spring 2 , the insulating shell 3 together form an electrical connector. When the two ends of the electrical connector approach each other, the electrical contact planes 6 contact each other to form an electrical connection. When the two ends of the electrical connector continue to approach, the spring 2 is compressed to apply pressure to form a reliable electrical connection.

Wherein, the spring 2 can be any elastic element with elastic support function, such as disc spring, cylindrical coil spring, conical coil spring, plate spring, leaf spring, rubber spring and the like.

The contact 1 can be in any shape of the electrical contact plane 6 with planar contact, such as cylinder, stepped shaft, plate, sheet and so on.

The electrical contact plane 6 can be circular, rectangular, irregular, a collection of multiple regular or irregular surfaces with equal height electrical contact plane 6; it is composed of multiple regular or irregular shapes and equal height planes .

As shown in Figure 2, Figure 2 is a structural schematic diagram of an electrical connector with multiple pairs of plane contact contacts of the present invention. In the insulating shell 3, multiple plane contact contacts 1 can be installed in a distributed manner to form a complete The electrical interface of the battery box, such as adding a low-voltage power supply, communication and other contacts 1.

As shown in Figure 3, Figure 3 is a schematic structural diagram of an electrical connector with two pairs of planar contact contacts and pin-jack combinations of the present invention. Due to the low current required for electrical connections such as low-voltage power supplies and communications (usually lower than 2A), and the number is large, the pin-jack electrical connection can be used to reduce the volume and provide higher integration; pin 4, jack 5, and two pairs of contacts 1 are respectively installed on the In the two insulating shells 3, the two ends of the electrical connector are formed; the contact 1 at one end is elastically supported by the spring 2; the contact 1, the spring 2, the insulating shell 3, the pin 4, and the jack 5 are composed electrical connector. When the two ends of the electrical connector are close to each other, the electrical contact planes 6 are in contact with each other, and the pins 4 and jacks 5 are also inserted into each other to form an electrical connection. When the two ends of the electrical connector continue to approach, the spring 2 is compressed. Pressure is applied to the electrical contact plane 6, and at the same time, the pins 4 and the jacks 5 are inserted deeper into each other to form a reliable electrical connection.

As shown in FIG. 4 , FIG. 4 is a schematic diagram of the groove structure of the electrical contact plane of the present invention. On the electrical contact plane 6 of the contact, a groove 7 is provided to enable the mutual movement (combination, separation) of foreign matters such as dust and metal filings and dirt on the electrical contact plane 6 on the contact electrical contact plane 6 ) into the groove 7 under the action to ensure that the electrical contact surface is clean.

It should be declared that the content of the above utility model and specific implementation methods are intended to prove the practical application of the technical solutions provided by the utility model, and should not be interpreted as limiting the scope of protection of the utility model. Those skilled in the art may make various modifications, equivalent replacements or improvements within the spirit and principle of the present utility model. The scope of protection of the utility model shall be determined by the appended claims.

Claims (10)

1. the electric connector of a plane contact is characterized in that, described electric connector comprises at least two pairs of contacts (1), spring (2), a pair of insulation crust (3) and tightening member;

Wherein: described contact (1) conduct electricity and have a plane contact electrically contact plane (6);

One end of every pair of described contact (1) is fixedly mounted in the insulation crust (3) by described tightening member, the other end of described contact (1) correspondingly is fixedly mounted in another insulation crust (3) by described tightening member, to form the two ends of described electric connector;

One end of every pair of described contact (1) is equipped with spring (2), to keep the pressure to the contact (1) of the other end.

2. electric connector as claimed in claim 1 is characterized in that, described tightening member is screw, snap ring or pin.

3. electric connector as claimed in claim 1 is characterized in that, described spring (2) has the flexible member of elastic bearing effect for any.

4. electric connector as claimed in claim 3 is characterized in that, described flexible member is disk spring, cylindrically coiled spring, conical helical spring, flat spring, flat spring or rubber spring.

5. electric connector as claimed in claim 1 is characterized in that, described contact (1) be shaped as cylindrical, step-like, tabular or sheet.

6. electric connector as claimed in claim 1 is characterized in that, describedly electrically contacts plane (6) for circular, rectangle or has the contour contour plane that electrically contacts the plane set.

7. electric connector as claimed in claim 1 is characterized in that, described electrically contact plane (6) have contain gold or silver coating.

8. as each described electric connector in the claim 1～7, it is characterized in that, described electric connector also comprises contact pin (4) and jack (5), wherein, described contact pin (4) is installed in the insulation crust (3), described jack (5) is installed in another insulation crust (3), and contact pin (4) and jack (5) are positioned between two pairs of contacts (1) at least, to form the two ends of described electric connector.

9. electric connector as claimed in claim 1 is characterized in that, describedly electrically contacts plane (6) and is provided with groove (7).

10. electric connector as claimed in claim 8 is characterized in that, described groove (7) is vertical mutually.

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