CN220420940U - Rectangular jack and heavy current connector - Google Patents

Abstract

The embodiment of the utility model discloses a rectangular jack and a high-current connector, wherein the rectangular jack comprises: the shell is provided with a through cavity; the inner core piece is arranged in the cavity of the shell, the inner core piece comprises a wire body, the wire body is a spiral wire body, the spiral wire body is elastic, the spiral wire body encloses a space for inserting the rectangular male needle, the inner core piece is provided with a first side face and a second side face which are oppositely arranged, the first side face of the inner core piece is used for being tightly attached to the rectangular male needle, and the second side face of the inner core piece is used for being abutted to the inner wall of the shell. According to the rectangular jack provided by the utility model, the inner core member formed by surrounding the elastic spiral wire body is arranged in the cavity of the shell, so that the contact area between the inner core member and the rectangular male pin is increased, the contact resistance is reduced, the temperature rise caused by large current passing is reduced, and the connection stability of the rectangular male pin and the rectangular jack is improved.

Description

Rectangular jack and heavy current connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a rectangular jack and a high-current connector.

Background

Along with the development of industry, rail transit and electric automobile, heavy current contact is the bottleneck of puzzlement trade always, and heavy current contact mainly has the problem that contact impedance is high, and contact impedance is high will lead to the temperature that brings through heavy current to rise, influences safety in utilization, and the plug power is great simultaneously, because great plug power will lead to the plug life-span lower.

In the prior art, a connection mode of a rectangular jack and a rectangular male pin is often adopted. Wherein, be provided with square shell fragment in the rectangle jack, and square shell fragment and the public needle contact of rectangle of square shell fragment elasticity and rectangle are relied on the public needle contact of square shell fragment for square shell fragment and the public needle of rectangle contact is limited, leads to contact resistance great, and plug power is great simultaneously, thereby leads to the high-current temperature rise that brings through, and the public needle of rectangle and the stability that rectangular jack is connected are relatively poor.

In addition, the square shrapnel is generally connected with the shell of the rectangular jack in a welding mode, so that the cost is high and the stability is low.

Therefore, how to improve the stability of the connection between the rectangular male pin and the rectangular female hole is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the present utility model is directed to a rectangular jack for improving the connection stability of a rectangular male pin and a rectangular jack.

Another object of the present utility model is to provide a high current connector having the rectangular jack described above.

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

a rectangular jack, comprising:

the shell is provided with a through cavity;

the inner core piece is arranged in the cavity of the shell, the inner core piece comprises a wire body, the wire body is a spiral wire body, the spiral wire body is elastic, the spiral wire body encloses a space for inserting a rectangular male needle, the inner core piece is provided with a first side face and a second side face which are oppositely arranged, the first side face of the inner core piece is used for being tightly attached to the rectangular male needle, and the second side face of the inner core piece is used for being abutted to the inner wall of the shell.

Optionally, in the rectangular insertion hole, the inner core member further includes an annular liner member that mates with the cavity of the housing, and the wire body is wound on the annular liner member.

Optionally, in the rectangular jack, the annular lining member includes a horizontal portion and an arc portion, and the horizontal portion and the arc portion are detachably connected.

Optionally, in the rectangular insertion hole, the wire body is obliquely wound in a circumferential direction of the annular liner.

Optionally, in the above rectangular insertion hole, the inner wall of the housing is provided with a first boss fitted with the core member, and the core member is provided on the first boss.

Optionally, in the above rectangular insertion hole, an end portion of the housing is provided with an annular cover member disposed above the core member for fixing the core member.

Optionally, in the rectangular jack, a second boss matched with the annular cover member is arranged on the inner wall of the shell, the annular cover member is arranged on the second boss, and the annular cover member is in interference fit with the cavity of the shell.

Optionally, in the rectangular jack, a connecting pipe is arranged at a connection position of the head and the tail of the wire body, and the head and the tail of the wire body are respectively inserted into the connecting pipe.

Optionally, in the rectangular jack, the housing is made of a conductive material; and/or the number of the groups of groups,

the wire body is made of copper wires.

A high current connector comprising:

a rectangular male pin;

the jack, the rectangular male pin is inserted into the jack, and the jack is any one of the rectangular jacks.

According to the rectangular jack provided by the utility model, the inner core member is arranged in the cavity of the shell, the inner core member is formed by surrounding the elastic spiral line body, when the rectangular male pin is inserted into the space formed by surrounding the spiral line body, the first side surface of the inner core member is tightly attached to the rectangular male pin, and the second side surface of the inner core member is abutted to the inner wall of the shell, so that the connection between the rectangular jack and the rectangular male pin is completed.

Compared with the square elastic sheet arranged in the prior art, the rectangular jack provided by the utility model has the advantages that the inner core member formed by surrounding the elastic spiral wire body is arranged in the cavity of the shell, the contact area of the inner core member and the rectangular male pin is increased, the contact resistance is reduced, the temperature rise caused by high current passing is reduced, and the connection stability of the rectangular male pin and the rectangular jack is improved. Meanwhile, the spiral wire body has elasticity, so that the force for inserting and extracting the rectangular male pin is reduced, the service life of the rectangular jack is prolonged, the rectangular male pin with different sizes can be applied, and the applicability of the rectangular jack is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present application, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a rectangular jack according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a rectangular receptacle according to an embodiment of the present utility model;

FIG. 3 is a top view of a rectangular receptacle provided by an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a wire body according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a portion of a wire body according to an embodiment of the present utility model;

fig. 6 is an exploded view of the core member provided by the embodiment of the present utility model;

fig. 7 is a schematic structural view of a core member according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a core member according to a second embodiment of the present utility model;

fig. 9 is an assembly schematic diagram of the core member and the case provided in the embodiment of the present utility model.

Wherein 100 is a housing, 101 is a cavity, 102 is a first boss, 103 is a second boss, 200 is an inner core member, 201 is a wire body, 2011 is a connecting pipe, 202 is an annular lining member, 2021 is a horizontal portion, 2022 is an arc portion, and 300 is an annular cover member.

Detailed Description

The utility model aims at providing a rectangular jack so as to improve the stability of connection between a rectangular male pin and the rectangular jack.

Another core of the present utility model is to provide a high current connector having the rectangular jack described above.

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1, an embodiment of the present utility model discloses a rectangular jack including a housing 100 and a core member 200. In the prior art, a connection mode of a rectangular jack and a rectangular male pin is often adopted for high-current contact. Wherein, be provided with square shell fragment in the rectangle jack, and square shell fragment and the public needle contact of rectangle of square shell fragment elasticity and rectangle are relied on the public needle contact of square shell fragment for square shell fragment and the public needle of rectangle contact is limited, leads to contact resistance great, and plug power is great simultaneously, thereby leads to the high-current temperature rise that brings through, and the public needle of rectangle and the stability that rectangular jack is connected are relatively poor. In addition, the square shrapnel is generally connected with the shell of the rectangular jack in a welding mode, so that the cost is high and the stability is low. According to the rectangular jack disclosed by the embodiment of the utility model, the inner core member 200 formed by surrounding the elastic spiral wire body is arranged in the cavity 101 of the shell 100, so that the contact area of the inner core member 200 and the rectangular male pin is increased, the contact resistance is reduced, the temperature rise caused by high current passing is reduced, and the connection stability of the rectangular male pin and the rectangular jack is improved. Meanwhile, the spiral wire body has elasticity, so that the force for inserting and extracting the rectangular male pin is reduced, the service life of the rectangular jack is prolonged, the rectangular male pin with different sizes can be applied, and the applicability of the rectangular jack is improved.

As shown in fig. 2, the housing 100 has a cavity 101 therethrough. Specifically, the housing 100 is a rectangular housing made of conductive material. In this embodiment, the housing 100 is made of metal, and the housing 100 has a horizontal section and an arc section, wherein the horizontal section and the arc section of the housing 100 may be of an integral structure, or of course may be of a split structure. When the horizontal section and the arc section of the housing 100 are of a split structure, the connection positions of the horizontal section and the arc section of the housing 100 can be respectively provided with a plugging slot and a plugging end, for example, the horizontal section of the housing 100 is provided with the plugging slot, the arc section of the housing 100 is provided with the plugging end, and when the housing 100 is assembled, the arc section of the housing 100 is plugged into the plugging slot of the horizontal section of the housing 100. Or the horizontal section of the shell 100 is provided with the inserting end, the arc-shaped section of the shell 100 is provided with the inserting groove, and when the shell 100 is assembled, the horizontal section of the shell 100 is inserted into the inserting groove of the arc-shaped section of the shell 100. It should be noted that, when the housing 100 is of a split type structure, the connection method is not limited to the connection method in the above embodiment, and any connection method may be used as long as the connection method is detachable, and the material of the housing 100 is not limited to the metal material in the above embodiment, but other conductive materials may be used, which are not listed here.

As shown in fig. 2 and 3, the core member 200 is disposed in the cavity 101 of the housing 100. As shown in fig. 4 and 5, the core member 200 includes a wire body 201, and the wire body 201 is a spiral wire body having elasticity, and the spiral wire body encloses a space for inserting a rectangular male needle. In this embodiment, the wire 201 is made of copper wire, which is made conductive, and is wound by a custom machine to form a spiral wire. As shown in fig. 8, a connection pipe 2011 is provided at the connection of the head and the tail of the wire 201, and the head and the tail of the wire 201 are respectively inserted into the connection pipe 2011 to fix the head and the tail of the wire 201, thereby forming a space for inserting the rectangular male pin. For the convenience of understanding, two oppositely disposed side surfaces of the core member 200 formed by surrounding the spiral-shaped wire body are defined as a first side surface and a second side surface, respectively, and the first side surface is an inner side surface of the core member 200 and the second side surface is an outer side surface of the core member 200. When the rectangular male pin is inserted into the space formed by the surrounding of the spiral line body, the first side surface of the inner core member 200 is tightly attached to the rectangular male pin, and the second side surface of the inner core member 200 is abutted against the inner wall of the housing 100, so that the connection between the rectangular insertion hole and the rectangular male pin is completed, the inner core member 200 is formed by the surrounding of the spiral line body, and the contact area between the inner core member 200 and the rectangular male pin is increased. As will be appreciated by those skilled in the art, the contact resistance is inversely related to the contact area, i.e., the larger the contact area between the core member 200 and the rectangular male pin, the smaller the contact resistance; the smaller the contact area of the core member 200 and the rectangular male pin, the larger the contact resistance. Meanwhile, as the contact resistance is smaller, wen Shengyue due to the large current passing is smaller. Compared with the traditional rectangular jack provided with the square shrapnel, the spiral wire body encloses the inner core member 200, so that the contact area of the inner core member 200 and the rectangular male pin is increased, and the contact resistance is reduced, thereby reducing the temperature rise caused by large current passing, simultaneously increasing a plurality of contact points, ensuring that the large current passing is more stable, and improving the connection stability of the rectangular male pin and the rectangular jack. And the spiral wire body has elasticity, so that the force for inserting and extracting the rectangular male pin is reduced, the spiral wire body is elastically deformed, the service life of the rectangular jack is prolonged, the rectangular male pin with different sizes can be applied, and the applicability of the rectangular jack is improved.

According to the rectangular jack disclosed by the utility model, the inner core member 200 is arranged in the cavity 101 of the shell 100, the inner core member 200 is formed by surrounding the elastic spiral wire body, when the rectangular male pin is inserted into the space formed by surrounding the spiral wire body, the first side surface of the inner core member 200 is tightly attached to the rectangular male pin, and the second side surface of the inner core member 200 is abutted to the inner wall of the shell 100, so that the connection between the rectangular jack and the rectangular male pin is completed.

Compared with the square shrapnel in the prior art, the rectangular jack disclosed by the utility model has the advantages that the inner core member 200 formed by surrounding the elastic spiral wire body is arranged in the cavity 101 of the shell 100, so that the contact area of the inner core member 200 and the rectangular male pin is increased, the contact resistance is reduced, the temperature rise caused by high current passing is reduced, and the connection stability of the rectangular male pin and the rectangular jack is improved. Meanwhile, the spiral wire body has elasticity, so that the force for inserting and extracting the rectangular male pin is reduced, the service life of the rectangular jack is prolonged, the rectangular male pin with different sizes can be applied, and the applicability of the rectangular jack is improved.

Further, as shown in fig. 6, in a specific embodiment, the core member 200 further includes an annular liner 202 mated with the cavity 101 of the housing 100, and the wire 201 is wound around the annular liner 202. Meanwhile, in order to secure a large fault-tolerant space between the wire body 201 and the case 100, the wire body 201 is obliquely wound in the circumferential direction of the annular liner 202, as shown in fig. 7. To facilitate the installation of the annular liner 202, the annular liner 202 includes a horizontal portion 2021 and an arcuate portion 2022, and the horizontal portion 2021 and the arcuate portion 2022 are detachably connected. Specifically, the wire body 100 is first wound to form an inclined spiral wire body by a custom machine, then the inclined spiral wire body is mounted on the annular liner 202, and finally the head and the tail of the wire body 201 are respectively inserted into the connecting pipe 2011, thereby completing the mounting of the wire body 100 and the annular liner 202. By providing the annular liner 202, support is provided for the helical wire body, the strength of the core member 200 is improved, and the service life of the core member 200 is prolonged, thereby improving the stability of rectangular jack connection. It should be noted that, the annular liner 202 is made of a conductive material, and in this embodiment, the annular liner 202 may be made of a metal material.

Further, as shown in fig. 2, in a specific embodiment, the inner wall of the case 100 is provided with a first boss 102 to be fitted with the core member 200, the core member 200 is provided on the first boss 102, and an annular cover 300 is provided at the end of the case 100, the annular cover 300 being provided above the core member 200 to prevent the core member 200 from falling off. Specifically, as shown in fig. 9, a second boss 103 is provided on the inner wall of the housing 100, which is fitted with an annular cover 300, the annular cover 300 is provided on the second boss 103, and the annular cover 300 is interference-fitted with the cavity 101 of the housing 100, thereby fixing the core member 200 in the cavity 101 of the housing 100, preventing the core member 200 from coming out of the cavity 101 of the housing 100. The first boss 102 and the second boss 103 are closed bosses provided along the circumferential direction of the inner wall of the housing 100, thereby improving the stability of the support of the first boss 102 and the second boss 103. Of course, the first boss 102 and the second boss 103 may be non-closed bosses provided along the circumferential direction of the inner wall of the housing 100, or the first boss 102 may be a closed boss and the second boss 103 may be a non-closed boss.

It should be noted that the rectangular jack disclosed by the utility model can be applied to a socket, and the rectangular jack is connected with one of the poles in the electrical connection, or all poles can be connected by adopting the rectangular jack disclosed by the utility model. Of course, the utility model can be used in other fields, and the utility model is only adopted in the application, so that the utility model is within the protection scope of the utility model.

Further, in one embodiment, the manufacturing steps of the rectangular jack include:

preparing a spiral wire body;

the wire body 100 is wound into an inclined spiral wire body using a custom machine, and in this embodiment, the wire body 100 is made of copper wire. Specifically, the copper wire is passed through a customization machine to form an inclined helical wire body by winding.

Installing a lining piece;

the spiral line body is sleeved outside the annular lining member 202, and the head and the tail of the spiral line body are respectively inserted into the connecting pipe 2011, so that the installation of the spiral line body and the annular lining member 202 is completed.

Assembling a shell;

the spiral wire body with the annular liner 202 is placed in the cavity of the housing 100, and the annular cover 300 is mounted at the end of the housing 100, so that the spiral wire body with the annular liner 202 is fixed in the cavity of the housing 100, and the rectangular jack is manufactured.

The embodiment of the utility model also discloses a high-current connector which comprises a rectangular male pin and a jack, wherein the rectangular male pin is inserted into the jack, and the jack is the rectangular jack disclosed in the embodiment, so that the high-current connector has all the technical effects of the rectangular jack and is not repeated herein.

The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rectangular jack, comprising:

a housing (100) having a through cavity (101);

the inner core piece (200) is arranged in the cavity (101) of the shell (100), the inner core piece (200) comprises a wire body (201), the wire body (201) is a spiral wire body, the spiral wire body is elastic, a space for inserting a rectangular male needle is formed by encircling the spiral wire body, the inner core piece (200) is provided with a first side face and a second side face which are oppositely arranged, the first side face of the inner core piece (200) is used for being tightly attached to the rectangular male needle, and the second side face of the inner core piece (200) is used for being in butt joint with the inner wall of the shell (100).

2. The rectangular jack according to claim 1, wherein the core member (200) further includes an annular liner (202) that mates with the cavity (101) of the housing (100), the wire (201) being wound on the annular liner (202).

3. The rectangular receptacle according to claim 2, wherein the annular liner (202) comprises a horizontal portion (2021) and an arcuate portion (2022), and the horizontal portion (2021) and arcuate portion (2022) are detachably connected.

4. Rectangular receptacle according to claim 2, characterized in that the wire body (201) is wound obliquely in the circumferential direction of the annular lining (202).

5. The rectangular insertion hole according to claim 2, wherein an inner wall of the housing (100) is provided with a first boss (102) that mates with the core member (200), the core member (200) being disposed on the first boss (102).

6. The rectangular insertion hole according to claim 5, wherein an end portion of the housing (100) is provided with an annular cover member (300), and the annular cover member (300) is provided above the core member (200) for fixing the core member (200).

7. The rectangular jack according to claim 6, characterized in that the inner wall of the housing (100) is provided with a second boss (103) cooperating with the annular cover (300), the annular cover (300) is provided on the second boss (103), and the annular cover (300) is interference fitted with the cavity (101) of the housing (100).

8. The rectangular jack according to claim 1, wherein a connection pipe (2011) is provided at a connection position of a head and a tail of the wire body (201), and the head and the tail of the wire body (201) are respectively inserted into the connection pipe (2011).

9. The rectangular jack of claim 1, wherein the housing (100) is of an electrically conductive material; and/or the number of the groups of groups,

the wire body (201) is made of copper wires.

10. A high current connector, comprising:

a rectangular male pin;

a jack, wherein the rectangular male pin is inserted into the jack, and the jack is a rectangular jack as claimed in any one of claims 1 to 9.