阅读说明：本技术 一种大功率插孔 (High-power jack ) 是由 范利海 李璞 耿文静 于 2019-09-24 设计创作，主要内容包括：本发明涉及一种大功率插孔,包括位于插孔两端用于和插孔壳体接触形成连接的固持环和位于两个固持环之间多个间隔设置的簧片,簧片中间向插孔内部凹陷形成用于和插针接触从而实现插针插孔电性连接的接触部Ⅰ,簧片两端分别与固持环相连,插孔装入插孔壳体后两个固持环分别与插孔壳体接触形成接触部Ⅱ和接触部Ⅲ,接触部Ⅱ和接触部Ⅰ之间以及接触部Ⅲ和接触部Ⅰ之间的簧片均为凹凸交替结构。本发明可以使插针、插孔及插孔壳体之间形成紧密可靠的电性连接,且插孔结构可以使插孔与插孔壳体之间的接触点数成倍增加,从而增大插孔与插孔壳体的接触面积,增加电流传输量,实现大电流传输。(The invention relates to a high-power jack, which comprises fixing rings positioned at two ends of the jack and used for contacting with a jack shell to form connection and a plurality of reeds positioned between the two fixing rings and arranged at intervals, wherein the middle of each reed is sunken towards the inside of the jack to form a contact part I used for contacting with a contact pin so as to realize the electrical connection of the contact pin jack, two ends of each reed are respectively connected with the fixing rings, the two fixing rings are respectively contacted with the jack shell to form a contact part II and a contact part III after the jack is installed in the jack shell, and the reeds between the contact part II and the contact part I and between the contact part III and the contact part I are both in concave. The invention can form close and reliable electrical connection among the contact pin, the jack and the jack shell, and the jack structure can multiply the number of contact points between the jack and the jack shell, thereby increasing the contact area between the jack and the jack shell, increasing the current transmission quantity and realizing large current transmission.)

1. A high-power jack comprises fixing rings which are positioned at two ends of the jack and are used for being in contact with a jack shell to form connection and a plurality of reeds which are positioned between the two fixing rings and are arranged at intervals, and is characterized in that the middle of each reed is sunken towards the inside of the jack to form a contact part I which is used for being in contact with a contact pin so as to realize the electrical connection of a contact pin jack, two ends of each reed are respectively connected with the fixing rings, contact parts II and contact parts III are respectively formed at the contact parts of the two fixing rings and the jack shell after the jack is installed in the jack shell, and the reeds between the contact parts II and the contact parts I and between the contact parts III; the jack is to inserting with inserting, and the contact site I and the contact pin in close contact with of reed form electric connection, thereby the reed elasticity expansion deformation makes concave convex part and jack casing in close contact with of unsmooth alternate structure make and reliably connect and be used for transmission current between contact pin, jack, the jack casing under the contact pin extrusion effect.

2. The high power jack of claim 1 wherein the contact portion i is in point or surface contact with the pin.

3. The high power jack of claim 1 wherein the leaves between contact ii and contact i and between contact iii and contact i are provided with one or more sets of alternating concavo-convex formations.

4. The high power jack of claim 3, wherein the number of the concavo-convex alternating structures between the contact portion II and the contact portion I is equal to or different from the number of the concavo-convex alternating structures between the contact portion III and the contact portion I.

Technical Field

The invention relates to the technical field of connectors, in particular to a high-power jack.

Background

With the continuous expansion of the new energy automobile market, the consumption of the high-power connector is also rapidly increased. As a core power transmission feature of a connector, the goodness of the jack performance directly determines the performance of the connector.

Common jack has the torsion spring hole on the existing market, the wire spring hole, hat spring hole, the structure difference of these jacks is less, as shown in fig. 1, the reed is circular-arc, the reed both ends are spacing to prevent to draw by the jack casing and take off, make the contact form contact point one and contact point two respectively between reed both ends and the jack casing, the indent is used for and forms contact point three between the contact pin in the middle of the reed, the reed realizes current transmission through contact point one and contact point two and jack casing connection, the reed forms electric connection through contact point III with the contact pin and is used for current transmission.

The current jack has large connection resistance and is not suitable for large current transmission.

Disclosure of Invention

In order to overcome the defects, the invention provides the high-power jack, the contact area between the reed and the jack shell is increased, the connection resistance is reduced, the connection stability of the connector is ensured and the high current circulation rate is achieved by changing the structural design.

The invention solves the technical problems by adopting the following technical scheme, and the high-power jack provided by the invention comprises fixing rings which are positioned at two ends of the jack and are used for contacting with a jack shell to form connection and a plurality of reeds which are positioned between the two fixing rings and are arranged at intervals, wherein the middle of each reed is sunken into the jack to form a contact part I which is used for contacting with a contact pin so as to realize the electrical connection of the contact pin jack; the jack is to inserting with inserting, and the contact site I and the contact pin in close contact with of reed form electric connection, thereby the reed elasticity expansion deformation makes concave convex part and jack casing in close contact with of unsmooth alternate structure make and reliably connect and be used for transmission current between contact pin, jack, the jack casing under the contact pin extrusion effect.

Furthermore, the contact part I and the contact pin are in point contact or surface contact.

Furthermore, the reeds between the contact part II and the contact part I and between the contact part III and the contact part I are provided with one or more groups of concave-convex alternating structures.

Furthermore, the number of the concave-convex alternating structures between the contact part II and the contact part I is equal to or different from that between the contact part III and the contact part I.

Compared with the prior art, the invention has the following advantages:

according to the invention, the structure of the jack reed is improved, so that the reed and the jack shell can be electrically contacted, the number of contact points between the whole jack and the jack shell is multiplied, the contact area between the jack and the jack shell is increased, the current transmission quantity is increased, and the large current transmission is realized. Meanwhile, the jack can enable the contact pin, the jack and the jack shell to be in close contact, and the connection reliability is guaranteed while the jack has high-current transmission performance.

Drawings

Fig. 1 is a schematic diagram of a conventional jack structure.

Fig. 2 is an example of a jack structure of the present invention.

Fig. 3 is a schematic view of the assembly of the jack of the present invention with a jack housing.

Fig. 4 is a schematic view of the jack and jack housing of fig. 2 inserted into position with the pins.

Fig. 5 is a second example of a jack structure of the present invention.

Fig. 6 is a third example of a jack structure of the present invention.

Element and symbol description:

1: holding ring, 2: reed, 3: contact portion i, 4: inserting pins, 5: jack housing, 6: spacing step, 7: contact portion ii, 8: contact portion iii, 9: contact portion iv, 10: contact portion v, 11: contact vi, 12: contact part vii, 13: contact portion viii, 14: contact point one, 15: contact point two, 16: and a contact point three.

Detailed Description

In order to further illustrate the technical means and technical effects adopted by the present invention, the present invention is described in detail below with reference to the examples.

The jack comprises fixing rings 1 positioned at two ends of the jack and a plurality of reeds 2 positioned between the two fixing rings and arranged at intervals, wherein the reeds between the two fixing rings are identical in structure and arrangement, and the intervals between every two adjacent reeds can be equal or unequal. The middle of the reed is sunken towards the inside of the jack to form a contact part I3 which is used for being in close contact with a contact pin so as to realize the electrical connection of the contact pin jack, and the contact part I can be in point contact or surface contact with the contact pin 4.

The two ends of each reed are respectively connected with the fixing rings, after the jack is installed in the jack shell 5, the two fixing rings are limited by the limiting step 6 at the end part of the jack shell to prevent the jack from being separated from the plug pin when the jack is plugged, the two fixing rings of the jack are respectively contacted with the jack shell to form a contact part II and a contact part III, the reeds between the contact part II and the contact part I and between the contact part III and the contact part I are both of a concave-convex alternative structure, and when the jack is plugged with the plug pin, the reeds elastically expand and deform under the extrusion effect of the plug pin to enable the convex part of the concave-convex alternative structure to. When the jack and the contact pin are not inserted oppositely, the convex part of the concave-convex alternating structure is not contacted with the jack shell.

The reed between II and I and between III and I of contact site all is provided with the unsmooth structure in turn of a set of or multiunit, and unsmooth structure quantity in turn between II and the I of contact site and unsmooth structure quantity in turn between III and the I of contact site can equal also can be inequality.

Taking fig. 2-4 as an example, the springs between the contact part ii and the contact part i and between the contact part iii and the contact part i have a set of concave-convex alternating structures, and the springs elastically expand and deform under the pressing action of the contact pin so that the convex parts of the concave-convex alternating structures between the contact part ii and the contact part i contact with the jack housing to form a contact part iv 9. And the convex part of the concave-convex alternating structure between the contact part III and the contact part I is contacted with the jack shell to form a contact part V10. In the jack shown in fig. 2, two contact points, namely a contact part iv and a contact part v, are arranged between each spring leaf and the jack housing, and a contact part i is arranged between each spring leaf and the contact pin; a plurality of reeds with the same structure are fixed between the two retaining rings according to the same arrangement sequence to form the jack of the invention. The reed of the original jack is not contacted with the jack shell, only the retaining rings at two ends of the reed are contacted with the jack shell for transmitting current, compared with the original jack, the electrical contact is also formed between the jack reed and the jack shell, the number of contact points between the whole jack and the jack shell is increased, the contact area between the jack and the jack shell can be increased, the connection resistance is reduced, the current transmission quantity is increased, the large-current transmission is realized, and the stability of electric connection is ensured.

The invention is not limited to the structure shown in fig. 2, and under the condition of allowed size, a plurality of groups of concave-convex alternating structures can be arranged on the spring plates between the contact part II and the contact part I and between the contact part III and the contact part I, and the spring plates elastically expand and deform under the action of the pressing of the contact pin so that the convex parts of each group of concave-convex alternating structures are contacted with the jack shell to form the contact parts.

Fig. 5 is a schematic diagram showing two sets of concave-convex alternating structures arranged between the contact part ii and the contact part i and between the contact part iii and the contact part i, wherein each reed and the jack shell have 4 contact points in total, namely a contact part iv 9, a contact part v 10, a contact part vi 11 and a contact part viii 12; a contact portion I3 is provided between each spring and the pin.

Fig. 6 shows an example in which the number of the concave-convex alternating structures between the contact portion ii and the contact portion i is not equal to the number of the concave-convex alternating structures between the contact portion iii and the contact portion i, in which three groups of concave-convex alternating structures are arranged between the contact portion ii and the contact portion i, two groups of concave-convex alternating structures are arranged between the contact portion iii and the contact portion i, and each reed and the jack housing have 5 contact points, namely, a contact portion iv 9, a contact portion v 10, a contact portion vi 11, a contact portion vii 12 and a contact portion viii 13; a contact portion I3 is provided between each spring and the pin.

Furthermore, the retaining ring of the jack of the present invention may be a closed ring or may have an opening for providing a certain deformation space when assembled with the jack housing, so as to facilitate assembly, and the retaining ring shown in fig. 2 to 6 is a closed ring structure.

Under the state that the jack contact pin is not inserted, the diameter of the circle formed by the contact parts I3 of the plurality of reeds is smaller than that of the cross section circle of the contact pin, so that the contact pin and the jack are convenient to form close contact after being inserted, and the reliability of electric connection is guaranteed.

The jack can ensure that the contact pin, the jack and the jack shell form close and reliable electric connection, and the jack structure can ensure that the number of contact points between the jack and the jack shell is multiplied, thereby increasing the contact area between the jack and the jack shell, increasing the current transmission quantity and realizing large current transmission.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any simple modification, equivalent change and modification made by those skilled in the art according to the technical spirit of the present invention are still within the technical scope of the present invention without departing from the technical scope of the present invention.