CN113422231B

CN113422231B - A kind of interface unit

Info

Publication number: CN113422231B
Application number: CN202110692939.9A
Authority: CN
Inventors: 李翰文; 范书亭; 张磊; 鲍小会
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-04-01
Anticipated expiration: 2041-06-22
Also published as: CN113422231A

Abstract

A connector comprises a connector insulator and a plurality of connector units arranged on the connector insulator, wherein each connector unit comprises a unit insulator and at least one row of contact elements arranged on the unit insulator, each contact element comprises a fixing part arranged in the unit insulator, at least one end of each fixing part penetrates out of the unit insulator to form a spring arm, and each spring arm is provided with a contact; the connector of the invention can improve the reliability and the precision of the installation of the contact element, and can improve the density of the contact element through dislocation arrangement; the connector insulator of the connector can be provided with different numbers of connector units, thereby easily realizing expansion of the number of the connector cores and having high universality; according to the connector, the first limiting platform, the second limiting platform and the third limiting platform are arranged, so that the compression amount of the contact can be limited, and the contact is prevented from being over-compressed and yielding.

Description

A kind of interface unit

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a connector.

Background

In the prior art, it is difficult to interconnect signals at an extremely low adaptive height, for example, the signal interconnection between parallel printed boards with a pitch less than 1mm is performed.

The following two technical schemes exist:

1. the heights of the plug and the socket are reduced, but the scheme reduces the length of the plugging area of the plug and socket contact, and reduces the reliability;

2. the plug and socket plug-in mode is eliminated, the one-piece connector is adopted for connection, the connector can greatly reduce the adaptation height theoretically, but the connector eliminates the plug-in process, one contact needs to be contacted with two connected devices at the same time, high requirements on the structure and strength of the contact are provided, the contact needs to be installed in an insulator, and the installation reliability and the freedom of the contact movement are met at the same time, and the technical problem is always solved.

Disclosure of Invention

The invention aims to provide a connector, which comprises a connector insulator 3 and a plurality of connector units 4 mounted on the connector insulator 3, wherein each connector unit 4 comprises a unit insulator 2 and at least one row of contacts 1 arranged on the unit insulator 2, each contact 1 comprises a fixing part 101 mounted in the unit insulator 2, at least one end part of each fixing part 101 penetrates through the unit insulator 2 to form a spring arm 102, and a contact 103 is arranged on each spring arm 102.

Preferably, one end of the fixing portion 101 is extended out of the unit insulator 2 to form a spring arm 102, and the other end is extended out of the insulator 2 to form a solder ball, and the end of the spring arm 102 away from the unit insulator 2 is provided with a contact 103.

Preferably, the contacts 1 are arranged on the connector insulator 3 in a staggered arrangement.

Preferably, the angle formed by the elastic arm 102 and the length direction of the unit insulator 2 is acute.

Preferably, the angle formed by the elastic arm 102 and the length direction of the unit insulator 2 is 45 °.

Preferably, the connector insulator 3 is provided with a plurality of mounting grooves 7 for mounting the connector unit 4.

Preferably, the connector unit 4 is installed in the installation groove 7 by a male-female fit or a forced fit.

Preferably, the fixing portion 101 is mounted on the unit insulator 2 by an insert injection method.

Preferably, the unit insulator 2 is provided with a limit platform 6 for preventing the elastic arm 102 from being excessively compressed.

Preferably, the connector insulator 3 is provided with a stop platform 9 for preventing the elastic arm 102 from being over-compressed.

The invention has the following advantages:

1. according to the connector, a plurality of contact elements and a unit insulator are integrally formed into a connector unit, and the plurality of connector units are installed in the connector insulator to form a complete contact element array; this method can not only improve the reliability and accuracy of the contact mounting, but also improve the density of the contacts by the staggered arrangement.

2. The connector insulator of the connector can be provided with different numbers of connector units, thereby easily realizing expansion of the number of the connector cores and having high universality.

3. According to the connector, the first limiting platform, the second limiting platform and the third limiting platform are arranged, so that the compression amount of the contact can be limited, and the contact is prevented from being over-compressed and yielding.

The foregoing is a summary of the present invention, and for the purpose of making clear the technical means of the present invention, the present invention can be implemented according to the content of the description, and for the purpose of making the above and other objects, features, and advantages of the present invention more comprehensible, the following preferred embodiments are described in detail:

drawings

Fig. 1 is a perspective view of the connector of the present embodiment.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a partially enlarged view of the connector in the embodiment.

Fig. 4 is a schematic structural diagram of the connector unit in the present embodiment.

Fig. 5 is a sectional view of the connector unit in the present embodiment.

Fig. 6 is a schematic structural view of the connector insulator in the present embodiment.

[ reference numerals ]

1-contact, 101-fixed part, 102-spring arm, 103-contact, 2-unit insulator, 3-connector insulator, 4-connector unit, 5-runner, 6-first limit platform, 7-mounting groove, 8-sliding table, 9-second limit platform, 10-third limit platform, 11-separating part, H1-height of exposed unit insulator of contact, H2-height of projected unit insulator 2 surface of first limit platform 6.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of a connector according to the present invention, its specific embodiments, structures, features and effects will be given with reference to the accompanying drawings and preferred examples.

A connector of the present invention includes a connector insulator 3 and a plurality of connector units 4 mounted on the connector insulator 3.

The connector unit 4 comprises a unit insulator 2 and at least one row of contacts 1 arranged on the unit insulator 2, in the embodiment, the row of contacts 1 is arranged on the unit insulator 2, the contacts 1 are distributed on the unit insulator 2 along the length direction of the unit insulator 2, the contacts 1 comprise fixing parts 101 installed in the unit insulator 2, the end parts of the fixing parts 101 penetrate through the unit insulator 2 and extend outwards to form elastic arms 102, and the end parts of the elastic arms 102 far away from the unit insulator 2 are bent to form contacts 103. In the present embodiment, the fixing portion 101 is integrally fixed to the unit insulator 2 by an insert injection method. The height at which contact 103 is exposed through cell insulator 102 is H1.

When the connector is installed, the connected device directly contacts with the contact 103 and applies a downward acting force to the contact 103, at this time, the elastic arm 102 is elastically deformed under the action of the acting force, and the elastic force generated by the compression of the elastic arm 102 can enable the contact 103 to be more reliably contacted with the connected device.

In order to prevent the elastic arm 102 from being compressed excessively to yield, the end of the unit insulator 2 is provided with a first limiting platform 6, the first limiting platform 6 is convexly arranged on the surface of the unit insulator 2 provided with the elastic arm 102, and the height of the first limiting platform 6 protruding out of the surface of the unit insulator 2 is H2, wherein H1 > H2.

In this embodiment, one end of the unit insulator 2 is provided with the first limiting platform 6, but in other embodiments of the present invention, both ends of the unit insulator 2 can be provided with the first limiting platform 6. In order to increase the number of contact points between the contact and the device to be contacted, at least one of the two ends of the fixing portion 101 directly contacts with the device to be contacted from the unit insulator 2 to perform a connecting function, in the present embodiment, both ends of the fixing portion 101 extend out of the unit insulator 2 and form elastic arms; of course, in other embodiments of the present invention, one of the end portions of the fixing portion 101 may be extended out of the unit insulator 2; of course, in other embodiments of the present invention, one end of the fixing portion 101 may extend out of the unit insulator 2 to form the elastic arm 102, and the other end may extend out of the unit insulator 2 to mount a solder ball (not shown), and the solder ball may be mounted on the end of the fixing portion 101 by ball-mounting or soldering.

In order to increase the density of the contact 1 and increase the number of the contacts 103, in the present invention, the contact 1 is disposed on the connector insulator 3 in a staggered arrangement, that is, an included angle formed by the elastic arm 102 and the length direction of the unit insulator 2 is an acute angle, and in this embodiment, an included angle formed by the elastic arm 102 and the length direction of the unit insulator 2 is 45 °.

The connector insulator 3 is provided with a plurality of mounting grooves 7, the mounting grooves 7 are distributed on the connector insulator 3 in an array manner, a separating piece 11 is formed between every two adjacent mounting grooves 7, and the separating piece 11 and the connector insulator 3 are of an integral or split structure. The connector unit 4 is slidably mounted in the mounting groove 7 in a concave-convex matching manner, a sliding table 8 is arranged on the side wall of the mounting groove 7, a sliding groove 5 matched with the sliding table 8 is arranged on the unit insulator 2, the sliding groove 5 is arranged on the surface adjacent to the surface where the elastic arm 102 is located, please refer to fig. 4, the elastic arm 102 is arranged on the top surface and the bottom surface of the unit insulator 2, and the sliding groove 5 is arranged on the right side surface of the unit insulator 2, of course, in other embodiments of the present invention, the sliding groove 5 is arranged on the left side surface of the unit insulator 2;

of course, in other embodiments of the present invention, a sliding groove may be provided on the inner wall of the installation groove 7, a sliding table may be provided on the unit insulator 2, furthermore, in other embodiments of the present invention, a clamping point may be provided on a part of the side wall of the installation groove 7, and the connector unit 4 may also be installed in the installation groove 7 by a forced installation method.

The connector insulator 3 is also provided with a second limiting platform 9 for preventing the elastic arm 102 from being excessively compressed, the top and bottom surfaces of the end part of the partition 11 are respectively provided with a third limiting platform 10 for preventing the elastic arm 102 from being excessively compressed, when the connector unit 4 is installed on the connector insulator 3, the surface of the unit insulator 2 is taken as a reference, the height of the top surface of the second limiting platform 9 higher than the surface of the unit insulator 2 is H3, the height of the third limiting platform 10 higher than the surface of the unit insulator 2 is H4, H1 is greater than H3, and H1 is greater than H4.

The connector of the invention is characterized in that a plurality of contacts and a unit insulator are molded into a connector unit through integral molding, and the plurality of connector units are installed in the connector insulator to form a complete contact array. The contact in the connector provided by the invention does not need to be independently installed, so that the reliability and the precision of the installation of the contact are favorably improved, and the density of the contact can be improved through staggered arrangement.

In addition, when the connector is used, the number of the connector units 4 mounted in the connector insulator 3 can be adjusted according to the number of the actually required contacts, namely, the number of the connector units 4 is less than or equal to the number of the mounting grooves 7, so that the expansion of the number of the connector cores can be easily realized, and the universality is improved.

When the connector is used, the arrangement of the first limiting platform, the second limiting platform and the third limiting platform can limit the compression amount of the contact, and the contact is prevented from being over-compressed to yield.

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.

Claims

1. A connector, characterized by: the connector comprises a connector insulator (3) and a plurality of connector units (4) arranged on the connector insulator (3), wherein each connector unit (4) comprises a unit insulator (2) and at least one row of contact pieces (1) arranged on the unit insulator (2), each contact piece (1) comprises a fixing part (101) arranged in the unit insulator (2), at least one end part of each fixing part (101) penetrates out of the unit insulator (2) to form a spring arm (102), and a contact (103) is arranged on each spring arm (102); be equipped with a plurality of mounting grooves (7) that are used for installing connector unit (4) on connector insulator (3), formed between per two adjacent mounting grooves (7) separating piece (11), install in mounting groove (7) through unsmooth complex mode slidable connector unit (4), be equipped with slip table (8) on mounting groove (7), be equipped with spout (5) with slip table (8) cooperation use on unit insulator (2).

2. A connector according to claim 1, wherein: one end of the fixing part (101) penetrates through the unit insulator (2) to form an elastic arm (102), the other end of the fixing part penetrates through the insulator (2) to form a solder ball, and a contact (103) is arranged on the elastic arm (102).

3. A connector according to claim 1, wherein: the contact pieces (1) are arranged on the connector insulator (3) in a staggered mode.

4. A connector according to claim 1, wherein: the included angle formed by the elastic arm (102) and the length direction of the unit insulator (2) is an acute angle.

5. A connector according to claim 4, wherein: the included angle formed by the elastic arm (102) and the length direction of the unit insulator (2) is 45 degrees.

6. A connector according to claim 1, wherein: the fixing part (101) is mounted on the unit insulator (2) by an insert injection method.

7. A connector according to claim 1, wherein: the unit insulator (2) is provided with a limiting platform (6) for preventing the elastic arm (102) from being over-compressed.

8. A connector according to claim 1, wherein: the connector insulator (3) is provided with a limiting platform (9) for preventing the elastic arm (102) from being over-compressed.