阅读说明：本技术 一种连接器 (A kind of interface unit ) 是由 宋涛 曾晨辉 王开德 于 2020-04-24 设计创作，主要内容包括：本发明涉及连接器技术领域,公开了一种连接器,其包括绝缘本体组件和多个并排设置的端子组件,端子组件包括连接端子及接触端子；连接端子设置于绝缘本体组件内；接触端子前端外露于绝缘本体组件设置,接触端子的尾部设置有容纳孔,接触端子套设于连接端子的前端,且套设的长度可调,连接端子的前端与容纳孔的内壁弹性接触。接触端子是靠向连接端子方向运动的方式收缩,而不是弯折设置靠弹性变形来收缩。因此,无需将外露于绝缘本体组件外的部分弯折设置,可以减小接触端子所占的空间,无需增大连接器的体积,便可在连接器有限的空间内布置更多的端子组件,符合连接器小型化发展的需求。(The invention relates to the technical field of connectors, and discloses a connector which comprises an insulating body assembly and a plurality of terminal assemblies arranged side by side, wherein each terminal assembly comprises a connecting terminal and a contact terminal; the connecting terminal is arranged in the insulating body assembly; the front end of the contact terminal is exposed out of the insulating body assembly, the tail of the contact terminal is provided with an accommodating hole, the contact terminal is sleeved at the front end of the connecting terminal, the sleeved length is adjustable, and the front end of the connecting terminal is in elastic contact with the inner wall of the accommodating hole. The contact terminal is contracted by moving towards the direction of the connection terminal, but not by elastic deformation of the bending device. Therefore, the part exposed outside the insulating body assembly is not required to be bent, the space occupied by the contact terminal can be reduced, the size of the connector is not required to be increased, more terminal assemblies can be arranged in the limited space of the connector, and the requirement of miniaturization development of the connector is met.)

1. A connector, comprising an insulating-body assembly (1) and a plurality of terminal assemblies (2) arranged side by side, said terminal assemblies (2) comprising:

a connection terminal (21) provided in the insulating body assembly (1);

contact terminal (22), its tail end set up in insulator subassembly (1), the front end expose in insulator subassembly (1) sets up, the afterbody of contact terminal (22) is provided with accommodation hole (221), contact terminal (22) cover is located the front end of connecting terminal (21), and the length that the cover was established is adjustable, the front end of connecting terminal (21) with the inner wall elastic contact of accommodation hole (221).

2. Connector according to claim 1, characterized in that the insulating body assembly (1) comprises a first insulating block (11), an elastic member (12) and a second insulating block (13);

connecting terminal (21) tail end part set up in first insulating block (11), the tail end of contact terminal (22) set up in second insulating block (13), elastic component (12) set up in first insulating block (11) with between second insulating block (13), be provided with on elastic component (12) and dodge hole (121), connecting terminal (21) are located first insulating block (11) with part between second insulating block (13) is located dodge in hole (121).

3. The connector according to claim 2, wherein the connecting terminal (21) includes a connecting portion (211) and at least two elastic arms disposed at a front end of the connecting portion (211), the two adjacent elastic arms are spaced apart from each other, at least the front end of each elastic arm extends into the receiving hole (221), a contact protrusion (2121) is disposed at an outer side of the front end of each elastic arm, and the contact protrusion (2121) abuts against an inner wall of the receiving hole (221).

4. A connector according to claim 3, characterized in that said connection terminal (21) is cylindrical and said resilient arms are in the form of two symmetrically arranged resilient tabs (212) having an arc-shaped cross-section.

5. Connector according to claim 4, characterized in that the portion of the connecting portion (211) located inside the first insulating block (11) is provided with a connecting projection (2111) on its circumference.

6. The connector according to claim 4, further comprising a cable (3), wherein the tail end of the connecting portion (211) has a connecting hole (2113), and a core wire at one end of the cable (3) extends into the connecting hole (2113).

7. The connector according to claim 6, wherein the housing assembly (1) further comprises a third insulating block (14) disposed on a side of the first insulating block (11) away from the elastic member (12), the third insulating block (14) being wrapped around an end of the cable (3) connected to the connection terminal (21) and an outer side of the tail end of the connection portion (211).

8. Connector according to claim 3, characterized in that said connection terminal (21) has the shape of an elongated strip, said elastic arms having two symmetrically arranged elastic bars (213).

9. The connector according to claim 2, wherein the connecting terminal (21) is in the shape of an elongated plate, the front end of the connecting terminal is provided with an oval through hole, the long axis of the oval is located in the length direction of the connecting terminal (21), the portions of the connecting terminal (21) located on both sides of the through hole are protruded outwards to form a contact protrusion (2121), the front end of the connecting terminal (21) is inserted into the receiving hole (221) of the contact terminal (22), and the contact protrusion (2121) abuts against the inner wall of the receiving hole (221).

10. Connector according to claim 2, characterized in that the elastic element (12) is an elastic insulating block or a spring.

11. The connector according to claim 1, wherein the contact terminal (22) has a cylindrical shape and a spherical front end.

Technical Field

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

Background

At present, the connecting cable is connected with a PCB in a manner of pressing fisheyes, welding, elastic contact and the like. The elastic contact mode is that the part of the contact terminal exposed out of the insulation body is bent. The bent portion abuts against the PCB to be connected to the PCB.

The bending part is bent into a semicircular arc shape usually, the contact terminal is arranged to be protruded towards one side, a larger space is occupied, the number of the contact terminals arranged by the connector is less, if more signals need to be transmitted, the size of the connector can be enlarged by arranging more contact terminals, and the development requirement for miniaturization of the connector is not met.

Therefore, a connector is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a connector, which does not need to bend the part exposed out of an insulating body assembly, and can reduce the space occupied by a contact terminal.

In order to achieve the purpose, the invention adopts the following technical scheme:

there is provided a connector comprising an insulative body assembly and a plurality of terminal assemblies arranged side-by-side, the terminal assemblies including:

a connection terminal disposed within the insulation body assembly;

the tail end of the contact terminal is arranged in the insulation body assembly, the front end of the contact terminal is exposed out of the insulation body assembly, the tail portion of the contact terminal is provided with a containing hole, the contact terminal is sleeved at the front end of the connecting terminal, the sleeved length of the contact terminal is adjustable, and the front end of the connecting terminal is in elastic contact with the inner wall of the containing hole.

As a preferable scheme of the connector, the insulation body assembly comprises a first insulation block, an elastic piece and a second insulation block;

connecting terminal tail end part set up in the first insulating block, contact terminal's tail end set up in the second insulating block, the elastic component set up in first insulating block with between the second insulating block, be provided with on the elastic component and dodge the hole, connecting terminal is located first insulating block with part between the second insulating block is located dodge downtheholely.

As a preferred scheme of the connector, the connecting terminal includes connecting portion and at least two sets up in the elastic arm of connecting portion front end, adjacent two the interval sets up between the elastic arm, the elastic arm at least front end stretch into in the accommodation hole, the outside of elastic arm front end is provided with the contact arch, the contact arch butt in the inner wall of accommodation hole.

As a preferable scheme of the connector, the connecting terminal is in a cylindrical shape, and the elastic arms are two elastic pieces which are symmetrically arranged and have arc-shaped cross sections.

As a preferable mode of the connector, a portion of the connecting portion located in the first insulating block is annularly provided with a connecting projection.

The connector preferably further comprises a cable, the tail end of the connecting part is provided with a connecting hole, and a core wire at one end of the cable extends into the connecting hole.

As a preferable embodiment of the connector, the insulation body assembly further includes a third insulation block disposed on a side of the first insulation block away from the elastic member, and the third insulation block covers an end of the cable connected to the connection terminal and an outer side of the tail end of the connection portion.

As a preferable mode of the connector, the connecting terminal is in a long strip shape, and the elastic arm is in two elastic rods which are symmetrically arranged.

As a preferred scheme of connector, connecting terminal is rectangular slice, and its front end is equipped with oval-shaped through-hole, and oval major axis is located connecting terminal's length direction, the part that connecting terminal is located the through-hole both sides outwards bulges and forms the contact arch, the connecting terminal front end stretch into contact terminal in the accommodation hole, the contact arch butt in the inner wall of accommodation hole.

As a preferable mode of the connector, the elastic member is an elastic insulating block or a spring.

In a preferred embodiment of the connector, the contact terminal has a cylindrical shape and a spherical front end.

The invention has the beneficial effects that:

the front end of the connecting terminal is in elastic contact with the inner wall of the accommodating hole, so that the connecting terminal and the contact terminal can be always in contact, and the phenomenon of poor contact can be effectively avoided. When the connector is connected with the PCB, after the contact terminal is contacted with the contact part on the PCB, the contact terminal can move towards the direction close to the connecting end under the effect of resilience force, so that the contact terminal can be pressed against the PCB, and the PCB cannot be damaged. The contact terminal is contracted by moving towards the direction of the connection terminal, but not by elastic deformation of the bending device. Therefore, the part exposed out of the insulating body assembly is not required to be bent, and the part exposed out of the insulating body assembly of the contact terminal is vertically arranged, so that the space occupied by the contact terminal can be reduced, the size of the connector is not required to be increased, more terminal assemblies can be arranged in the limited space of the connector, and the requirement of miniaturization development of the connector is met.

Drawings

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

FIG. 2 is a cross-sectional view of a connector provided in accordance with one embodiment of the present invention;

fig. 3 is a partial structural schematic view of a connector according to an embodiment of the present invention (the elastic member is an elastic insulating block);

fig. 4 is a partial structural schematic view of a connector according to an embodiment of the present invention (the elastic member is a spring);

fig. 5 is a schematic structural diagram of a connection terminal according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a metal housing according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connection terminal according to a second embodiment of the present invention;

fig. 8 is a schematic structural diagram of a connection terminal according to a third embodiment of the present invention.

In the figure:

1. an insulator body assembly; 11. a first insulating block; 111. a second clamping groove; 12. an elastic member; 121. avoiding holes; 13. a second insulating block; 131. a third clamping groove; 14. a third insulating block; 141. a first clamping groove; 142. clamping the bulges;

2. a terminal assembly; 21. a connection terminal; 211. a connecting portion; 2111. a connecting projection; 2112. a bell mouth; 2113. connecting holes; 2114. a bending section; 212. an elastic sheet; 2121. a contact projection; 213. an elastic rod;

22. a contact terminal; 221. an accommodation hole;

3. a cable; 31. a connecting wire;

4. a metal housing; 41. a clamping part; 42. a clamping hole; 43. a first elastic protrusion; 44. a second elastic protrusion; 45. an elastic clip sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.