Conductive terminal with double-elastic-arm structure and electric connector

Abstract

The utility model provides a conductive terminal with a double elastic arm structure and an electric connector, the conductive terminal is used for being installed on a circuit board and comprises a fixed section and a contact section formed by extending from the fixed section, and the contact section comprises a first elastic arm and a second elastic arm which extend from the fixed section. The first elastic arm and the second elastic arm extend from the fixed section along a first direction and are arranged side by side in a second direction, the second direction is perpendicular to the first direction, and the first elastic arm is provided with a contact part which protrudes along the second direction to be in contact with a butt joint terminal. And the conductive terminal is also provided with a connecting part for integrally connecting the first elastic arm and the second elastic arm. According to the conductive terminal with the double-elastic-arm structure and the electric connector, the reliability of electric contact can be enhanced, and a user can obtain a soft plugging hand feeling.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially to a conductive terminal with double elastic arm structure and electric connector. BACKGROUND

[0002] Signal transmission in electronic equipment needs to pass through circuit board and connector thereon, wherein, board to board connector has been widely applied to many electronic equipment, such as computer, communication equipment, industrial automation system and consumer electronic product etc., and the electrical connection of board to board provides reliable and high-speed signal transmission for these electronic equipment, and improves the stability of system.

[0003] With the rapid development of network communication technology, signal transmission puts forward new requirements for electric connector, and the electric connector needs to provide better stability and reliability when transmitting signals.

[0004] Therefore, it is necessary to improve the existing conductive terminal and electric connector to solve the above problems. SUMMARY

[0005] The utility model discloses a conductive terminal with double elastic arm structure and electric connector, which can enhance the reliability of electrical contact and obtain soft plugging feeling.

[0006] To achieve the above utility model purposes, the utility model provides a conductive terminal with double elastic arm structure, which is installed on a circuit board and includes a fixed segment and a contact segment formed by extending from the fixed segment, the contact segment includes a first elastic arm and a second elastic arm extending from the fixed segment, the first and second elastic arms extend from the fixed segment in a first direction and are arranged side by side in a second direction, the second direction is perpendicular to the first direction, the first elastic arm is provided with a contact part protruding in the second direction to contact a mating terminal, and the conductive terminal also has a connecting part integrally connecting the first and second elastic arms.

[0007] As a further improvement of the utility model, the top end of the first elastic arm and the second elastic arm is connected by the connecting part, and the bottom end is connected by the fixed segment.

[0008] As a further improvement of the utility model, the connecting part is provided with a guide surface inclined in the first direction, and the guide surface connects the top end of the connecting part and the first elastic arm.

[0009] As a further improvement of the utility model, the first elastic arm comprises a first elastic section, a second elastic section formed by bending and extending from the first elastic section, and a third elastic section connecting the second elastic section and the connecting portion, the part where the first elastic section and the second elastic section are connected is arranged protruding towards the direction close to the second elastic arm, the part where the second elastic section and the third elastic section are connected is arranged protruding towards the direction away from the second elastic arm, and the contact surface of the guiding surface and the third elastic section is arranged coplanarly.

[0010] As a further improvement of the utility model, the distance between the first elastic section and the second elastic arm gradually decreases in the direction from bottom to top.

[0011] As a further improvement of the utility model, the fixed section is in the form of a flat plate arranged along the vertical direction, and has an interference portion arranged on one side in the second direction and an abutting portion arranged on the other side in the second direction, the abutting portion on the side away from the interference portion in the second direction is used to abut against the insulating body.

[0012] As a further improvement of the utility model, the abutting portion has an extension portion protruding upwards to be located on the upper side of the interference portion, the extension portion is arranged spaced apart from the second elastic arm in the second direction, and the distance between the extension portion and the second elastic arm gradually increases in the direction from bottom to top.

[0013] As a further improvement of the utility model, the conductive terminal further has a welding section extending from the fixed section, the welding section extends along the second direction, and the included angle between the welding section and the second elastic arm is obtuse.

[0014] To achieve the above-mentioned utility model purposes, the utility model also provides an electric connector which comprises an insulating body and a plurality of conductive terminals fixed on the insulating body, and the electric connector comprises two rows of conductive terminals arranged oppositely in the second direction.

[0015] As a further improvement of the utility model, the insulating body has a circumferential wall and an embedded wall located inside the circumferential wall, the embedded wall is provided with two rows of terminal grooves extending in the up-down direction, the circumferential wall is provided with a blocking rim protruding and formed towards the embedded portion, the blocking rim is located on the side of the first elastic arm in the second direction and is spaced apart from the first elastic arm in the second direction.

[0016] The utility model discloses an electric connector with double elastic arm structure, which has the advantages that the contact section of the electric terminal is provided with the first elastic arm and the second elastic arm extending from the fixed section, the first elastic arm and the second elastic arm extend from the fixed section in the first direction and are arranged side by side in the second direction, the second direction is perpendicular to the first direction, the first elastic arm is provided with the contact part protruding in the second direction to contact the counter terminal, the electric terminal also has the connecting part connecting the first elastic arm and the second elastic arm integrally, so that the toughness of the electric terminal can be enhanced, the reliability of the electric terminal in electrical contact when being plugged with the counter terminal can be improved, the user can obtain soft plugging feeling, and the application requirement in multiple scenes can be met. Meanwhile, the electric terminal has simple structure, is convenient to assemble, is easy to operate, and has high product reliability. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the electric connector with double elastic arm structure of the utility model;

[0018] Figure 2 It is a perspective view of the electric connector with double elastic arm structure of the utility model; Figure 1 It is a perspective view of the electric connector with double elastic arm structure of the utility model;

[0019] Figure 3 It is a perspective view of the electric connector with double elastic arm structure of the utility model; Figure 1 It is a perspective view of the electric connector with double elastic arm structure of the utility model;

[0020] Figure 4 It is a perspective view of the electric connector with double elastic arm structure of the utility model; Figure 3 It is a perspective view of the electric connector with double elastic arm structure of the utility model;

[0021] Figure 5 It is a perspective view of the electric connector with double elastic arm structure of the utility model; Figure 1 It is a perspective view of the electric connector with double elastic arm structure of the utility model;

[0022] Figure 6 It is a perspective view of the electric connector with double elastic arm structure of the utility model; Figure 5 It is a perspective view of the electric connector with double elastic arm structure of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be described in detail in combination with the embodiment shown in the drawings. However, the embodiment does not limit the utility model, and the changes in structure, method or function made by the ordinary skilled in the art according to the embodiment are included in the protection scope of the utility model.

[0024] As Figures 1 to 6As shown, the utility model provides a kind of electrically conductive terminal 1 with double elastic arm structure, it is to install on circuit board (not shown) and include fixed section 11 and the contact section 12 formed from the fixed section 11 extension, the contact section 12 includes the first elastic arm 121 and second elastic arm 123 extended from the fixed section 11, the first, second elastic arm 121, 123 is extended from the fixed section 11 along first direction and is side by side arranged in second direction, the second direction is vertically arranged with first direction, the first elastic arm 121 is equipped with the contact part 1212 in second direction protruding to contact with the terminal (not shown) of butt joint, the electrically conductive terminal 1 also has the connecting part 124 integrally connected with the first, second elastic arm 121, 123.

[0025] The electrically conductive terminal 1 with double elastic arm structure is by being arranged as the first, second elastic arm 121, 123 side by side arranged in second direction, and by connecting part 124 integrally connecting the first, second elastic arm 121, 123, so as to enhance the reliability of electrical contact of electrically conductive terminal 1 when plugging with butt joint terminal, and user can obtain soft plug-in feeling, meet the application demand of multiple scenes. At the same time, so setting, the structure of the electrically conductive terminal 1 is simple, easy to assemble, convenient operation, and the product reliability is high.

[0026] In an embodiment of the utility model, the top end of the first elastic arm 121 and the second elastic arm 123 is connected by the connecting part 124, and the bottom end is connected by the fixed section 124. In this way, the fixed section 11, the first elastic arm 121, the connecting part 124 and the second elastic arm 123 are connected in sequence to form a closed configuration, which can effectively increase the toughness of the electrically conductive terminal 1, thereby improving the plug-in feeling when plugging.

[0027] The connecting part 124 is provided with a guide surface 1241 inclinedly arranged in the first direction, and the guide surface connects the top end of the connecting part 124 and the first elastic arm 121. In this embodiment, the guide surface 1241 is inclinedly arranged on the connecting part 124, thereby guiding the plugging of the butt joint terminal, and the guide surface 1241 is connected with the first elastic arm 121, so that the butt joint terminal can contact the first elastic arm 121 after leaving the guide surface 1241, thereby ensuring the smoothness when plugging the butt joint terminal.

[0028] The connecting part 124 is trapezoidal, and further has an inclined surface 1242 inclinedly extending in the first direction, and the inclined surface 1242 is oppositely arranged on both sides of the connecting part 124 in the second direction, and in the second direction, the distance from the top end of the inclined surface 1242 to the contact part 1212 is less than the distance from the bottom end to the contact part 1212.

[0029] In the embodiment, the conductive terminal 1 is provided with an inclined surface 1242 on the other side opposite to the guide surface 1241, and the connecting part 124 at the top end of the conductive terminal 1 can avoid the situation that the side of the connecting part 124 opposite to the guide surface 1241 is abutted against the insulating body 2 under the abutting action of the mating terminal, thereby avoiding the plugging jam.

[0030] The first elastic arm 121 comprises a first elastic section 1213, a second elastic section 1214 formed by bending and extending from the first elastic section 1213, and a third elastic section 1215 connecting the second elastic section 1214 and the connecting part 124, the position where the first elastic section 1213 and the second elastic section 1214 are connected is protrusively arranged towards the direction close to the second elastic arm 123, the position where the second elastic section 1214 and the third elastic section 1215 are connected is protrusively arranged towards the direction away from the second elastic arm 123, and the contact surface of the guide surface 1241 and the third elastic section 1215 is coplanarly arranged.

[0031] In the embodiment, the first elastic arm 121 is arranged in a three-section structure comprising the first, second and third elastic sections 1213, 1214 and 1215, so that the first elastic arm 121 has better elasticity, thereby improving the stability of the electrical contact.

[0032] Further, in the direction from bottom to top, the distance between the first elastic section 1213 and the second elastic arm 123 gradually decreases, so that the structural stability of the first elastic section 1213 is ensured while the elastic contact force of the contact section 12 is ensured.

[0033] In an embodiment of the utility model, the fixed section 11 is a flat plate arranged along the vertical direction, and has an interference part 112 arranged on one side in the second direction and an abutting part 113 arranged on the other side in the second direction, the abutting part 113 is arranged on the side away from the interference part 112 in the second direction to abut against the insulating body 1.

[0034] The abutting part 113 has an extension part 1131 protruding upwards to be located on the upper side of the interference part 112, the extension part 1131 is arranged in the second direction away from the second elastic arm 123, and in the direction from bottom to top, the distance between the extension part 1131 and the second elastic arm 123 gradually increases, so that the elastic deformation ability of the second elastic arm 123 is improved while the connection strength between the second elastic arm 123 and the extension part 1131 is ensured, and the plugging feeling is further improved.

[0035] The conductive terminal 1 further has a welding segment 13 extending from the fixed segment 11, the welding segment 13 extending along the second direction, and the included angle between the welding segment 13 and the second elastic arm 123 is obtuse. By setting the extending direction of the welding segment 13 at an angle with the extending direction of the contact segment 12, the contact segment 12 has better elastic deformation capability, thereby facilitating elastic contact with the mating terminal.

[0036] The welding segment 13 and the abutting portion 113 are located on both sides of the second direction, that is, the welding segment 13 is located on the side of the fixed segment 11 where the interference portion 112 is arranged. In the embodiment, the welding segment 13 extends flatly along the second direction and extends outwardly from the insulating body 2.

[0037] In the utility model, an electric connector 100 is further provided, which comprises the insulating body 2 and a plurality of aforementioned conductive terminals 1 fixed to the insulating body 2, and the electric connector 100 comprises two rows of the conductive terminals 1 oppositely arranged in the second direction.

[0038] In some embodiments of the utility model, the insulating body 2 has a circumferential wall 21 and an embedded wall 23 located in the inside of the circumferential wall 21, the embedded wall 23 is provided with two rows of terminal grooves 231 extending along the up-down direction, the circumferential wall 21 is provided with a blocking rim 212 protruding from the embedded wall 23, the blocking rim 212 is located on the side of the first elastic arm 121 in the second direction and is spaced apart from the first elastic arm 121 in the second direction.

[0039] The insulating body 2 further has a bottom wall 24 connecting the bottom ends of the circumferential wall 21 and the embedded wall 23, and the circumferential wall 21 and the embedded wall 23 are arranged upright on the bottom wall 24. The embedded wall 23 is provided with a spacing wall 232 separating the two rows of terminal grooves 231, and the abutting portions 113 of the two rows of conductive terminals 1 abut against the two side faces of the spacing wall 232 oppositely arranged in the second direction.

[0040] In an embodiment of the utility model, the electric connector 100 further has a pair of fixing members 3 mounted on both sides of the insulating body 2, the pair of fixing members 3 are inserted into both sides of the insulating body 1 in the third direction, the third direction is perpendicular to the first direction and the second direction, and the pair of fixing members 3 are welded to the circuit board to fix the electric connector 100 to the circuit board.

[0041] In an embodiment of the utility model, the electric connector 100 further has a pair of fixing members 3 mounted on both sides of the insulating body 2, the pair of fixing members 3 are inserted into both sides of the insulating body 1 in the third direction, the third direction is perpendicular to the first direction and the second direction, and the pair of fixing members 3 are welded to the circuit board to fix the electric connector 100 to the circuit board. Figure 6As a reference, the first direction is the up-down direction, the second direction is the left-right direction, and the third direction is the arrangement direction of the conductive terminals 1 in each row (as shown in the figure). Figure 2

[0042] Each of the fixing members 3 is L-shaped, one side plate of which is fixed to the insulating body 1, and the other side plate is used to be fixed to the circuit board.

[0043] Therefore, as described above, the conductive terminal 1 and the electric connector 100 with the double elastic arm structure in the present application can enhance the toughness of the conductive terminal 1, improve the reliability of the electrical contact of the conductive terminal 1 when plugged with the mating terminal, and enable the user to obtain a soft plugging feeling, thus meeting the application requirements in multiple scenes.

[0044] It should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.​

Claims

1. An electrically conductive terminal having a dual resilient arm structure for mounting on a circuit board and comprising a mounting section and a contact section extending from the mounting section, characterized by: The contact section includes first and second elastic arms extending from the fixed section, the first and second elastic arms extending from the fixed section in a first direction and arranged side by side in a second direction, the second direction being arranged perpendicularly to the first direction, the first elastic arm being provided with a contact portion protruding in the second direction to contact a mating terminal, the conductive terminal further having a connecting portion integrally connecting the first and second elastic arms.

2. The conductive terminal having a dual elastic arm structure according to claim 1, characterized by: The top ends of the first and second elastic arms are connected by the connecting portion, and the bottom ends are connected by the fixed section.

3. The conductive terminal having a dual elastic arm structure according to claim 2, characterized by: The connecting portion is provided with a guide surface arranged obliquely in the first direction, the guide surface connecting the top end of the connecting portion and the first elastic arm.

4. The conductive terminal with a dual elastic arm structure according to claim 3, characterized by: The first elastic arm includes a first elastic section, a second elastic section bent and extending from the first elastic section, and a third elastic section connecting the second elastic section and the connecting portion, the connecting portion between the first and second elastic sections being arranged protruding towards the second elastic arm, the connecting portion between the second and third elastic sections being arranged protruding away from the second elastic arm, and the guide surface being arranged coplanar with the contact surface of the third elastic section.

5. The conductive terminal with a dual elastic arm structure according to claim 3, characterized by: In a direction from bottom to top, the distance between the first elastic section and the second elastic arm gradually decreases.

6. The conductive terminal with a dual elastic arm structure according to claim 5, characterized by: The fixed section is in the shape of a flat plate arranged in a vertical direction, and has an interference portion arranged on one side in the second direction and an abutting portion arranged on the other side in the second direction, the abutting portion being arranged on the side away from the interference portion in the second direction to abut against the insulating body.

7. The conductive terminal with a dual elastic arm structure according to claim 6, characterized by: The abutting portion has an extension portion protruding upwards to be located above the interference portion, the extension portion being arranged spaced apart from the second elastic arm in the second direction, and in a direction from bottom to top, the distance between the extension portion and the second elastic arm gradually increases.

8. The conductive terminal with a dual elastic arm structure according to any one of claims 1 to 7, characterized by: The conductive terminal further has a soldering section extending from the fixed section, the soldering section extending in the second direction, and the included angle between the soldering section and the second elastic arm being an obtuse angle.

9. An electrical connector comprising an insulative housing and a plurality of conductive terminals secured to the insulative housing, characterized by: The conductive terminal is as claimed in any one of claims 1 to 8, and the electrical connector includes two rows of the conductive terminals arranged opposite to each other in the second direction.

10. The electrical connector of claim 9, wherein: The insulating body has a circumferential wall and an embedded wall located inside the circumferential wall, the embedded wall being provided with two rows of terminal grooves extending in the up-down direction, the circumferential wall being provided with a stopper protruding towards the embedded portion, the stopper being located on the side of the first elastic arm in the second direction and being spaced apart from the first elastic arm in the second direction.

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