阅读说明：本技术 一种同轴连接器 (Coaxial connector ) 是由 吕成想 谈志武 谭博文 于 2020-07-09 设计创作，主要内容包括：一种同轴连接器,包括绝缘定位件、若干接触件和隔栏；所述绝缘定位件具有所述接触件的安装孔,所述绝缘定位件包括公端绝缘定位件和母端绝缘定位件；所述接触件设置于所述安装孔中,所述接触件包括一对针型接触件和一对弹片型接触件；所述隔栏呈筒状套设于所述针型接触件外,所述隔栏包括内隔栏和外隔栏,所述内隔栏插设于所述外隔栏中,所述外隔栏的外壁和所述公端绝缘定位件的内壁上设置有对应的弹片型接触件。本发明提供的连接器在爬电距离、电气间隙以及手指防误触方面均有所保障,提高了电连接器的使用安全性,并且从接触件的选用上进一步提高了连接器的连接效果,还兼具防水性能,适合推广。(A coaxial connector comprises an insulating positioning piece, a plurality of contact pieces and a partition; the insulating positioning piece is provided with a mounting hole of the contact piece and comprises a male end insulating positioning piece and a female end insulating positioning piece; the contact piece is arranged in the mounting hole and comprises a pair of needle-shaped contact pieces and a pair of elastic piece-shaped contact pieces; the partition is in a cylindrical shape and is sleeved outside the needle-type contact element, the partition comprises an inner partition and an outer partition, the inner partition is inserted into the outer partition, and the outer wall of the outer partition and the inner wall of the public end insulating positioning element are provided with corresponding elastic piece-type contact elements. The connector provided by the invention has the advantages that the creepage distance, the electric clearance and the finger mistaken touch prevention are ensured, the use safety of the electric connector is improved, the connection effect of the connector is further improved from the selection of the contact element, and the connector also has waterproof performance and is suitable for popularization.)

1. A coaxial connector, comprising: the insulating positioning piece, the plurality of contact pieces and the partition columns;

the insulating positioning piece is provided with a mounting hole of the contact piece and comprises a male end insulating positioning piece (101) and a female end insulating positioning piece (201);

the contact piece is arranged in the mounting hole and comprises a pair of needle-shaped contact pieces and a pair of elastic piece-shaped contact pieces;

the partition is sleeved outside the needle-shaped contact element in a cylindrical shape and comprises an inner partition (102) and an outer partition (202), the inner partition (102) is inserted into the outer partition (202), and the outer wall of the outer partition (202) and the inner wall of the male end insulating positioning element (101) are provided with corresponding elastic sheet-shaped contact elements;

the creepage distance between the spring plate type contact element and the needle type contact element is at least 2.4 mm;

the electric gap between the elastic sheet type contact element and the needle type contact element is at least 0.5 mm;

the inner diameter of the partition is 3mm at most, and the shortest distance between the partition and the insulating positioning piece is 3mm at most.

2. A coaxial connector according to claim 1, wherein: the contact piece and the partition are coaxially arranged.

3. A coaxial connector according to claim 1, wherein: a gap is formed between the tail end of the mounting hole and the contact element, and plastic is filled in the gap between the tail end of the mounting hole and the contact element.

4. A coaxial connector according to claim 1, wherein: the connecting structure further comprises a sealing element (105), wherein the sealing element (105) is arranged on the connecting end face of the male end insulating positioning piece (101).

5. A coaxial connector according to claim 1, wherein: the connecting end of the contact element is not exposed out of the insulating positioning piece.

6. A coaxial connector according to claim 1, wherein: the PIN type contact comprises a PIN (203) and a first cylindrical terminal (103), wherein the PIN (203) comprises a base (2031) and an elastic piece part (2032), the elastic piece part (2032) is arranged on the end part of the base (2031) in a surrounding mode, and the outer peripheral wall of the elastic piece part (2032) and the inner peripheral wall of the first cylindrical terminal (103) are matched with each other.

7. A coaxial connector according to claim 1, wherein: the elastic sheet type contact piece comprises a waist drum-shaped crown spring (204) and a second cylindrical terminal (104), wherein the outer peripheral wall of the waist drum-shaped crown spring (204) is matched with the inner peripheral wall of the second cylindrical terminal (104).

Technical Field

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

Background

The charging plug and the socket used in the current market can not meet the safe use requirements of the European standard, when the product use voltage exceeds 42.4V (ultra-low safe voltage), the European standard has clear requirements on electrical clearance, creepage distance and finger mis-touch prevention, and the existing charging plug is exposed from a negative terminal and is easy to contact by a human body.

Therefore, in view of the shortcomings of the prior art, there is a need for a coaxial connector to solve the above problems.

Disclosure of Invention

To overcome the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a coaxial connector.

In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a coaxial connector, comprising: the insulating positioning piece, the plurality of contact pieces and the partition columns;

the insulating positioning piece is provided with a mounting hole of the contact piece and comprises a male end insulating positioning piece (101) and a female end insulating positioning piece (201);

the contact piece is arranged in the mounting hole and comprises a pair of needle-shaped contact pieces and a pair of elastic piece-shaped contact pieces;

the partition is sleeved outside the needle-shaped contact element in a cylindrical shape and comprises an inner partition (102) and an outer partition (202), the inner partition (102) is inserted into the outer partition (202), and the outer wall of the outer partition (202) and the inner wall of the male end insulating positioning element (101) are provided with corresponding elastic sheet-shaped contact elements;

the creepage distance between the spring plate type contact element and the needle type contact element is at least 2.4 mm;

the electric gap between the elastic sheet type contact element and the needle type contact element is at least 0.5 mm;

the inner diameter of the partition is 3mm at most, and the shortest distance between the partition and the insulating positioning piece is 3mm at most.

The preferable technical scheme is as follows: the contact piece and the partition are coaxially arranged.

The preferable technical scheme is as follows: a gap is formed between the tail end of the mounting hole and the contact element, and plastic is filled in the gap between the tail end of the mounting hole and the contact element.

The preferable technical scheme is as follows: the connecting structure further comprises a sealing element (105), wherein the sealing element (105) is arranged on the connecting end face of the male end insulating positioning piece (101).

The preferable technical scheme is as follows: the connecting end of the contact element is not exposed out of the insulating positioning piece.

The preferable technical scheme is as follows: the PIN type contact comprises a PIN (203) and a first cylindrical terminal (103), wherein the PIN (203) comprises a base (2031) and an elastic piece part (2032), the elastic piece part (2032) is arranged on the end part of the base (2031) in a surrounding mode, and the outer peripheral wall of the elastic piece part (2032) and the inner peripheral wall of the first cylindrical terminal (103) are matched with each other.

The preferable technical scheme is as follows: the elastic sheet type contact piece comprises a waist drum-shaped crown spring (204) and a second cylindrical terminal (104), wherein the outer peripheral wall of the waist drum-shaped crown spring (204) is matched with the inner peripheral wall of the second cylindrical terminal (104).

Due to the application of the technical scheme, the invention has the beneficial effects that:

the connector provided by the invention has the advantages that the creepage distance, the electric clearance and the finger mistaken touch prevention are ensured, the use safety of the electric connector is improved, the connection effect of the connector is further improved from the selection of the contact element, and the connector also has waterproof performance and is suitable for popularization.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic diagram of the PIN structure of the present invention.

FIG. 4 is a top view of the male and female mating ends of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1-4. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, 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. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.