Electrical connector

Abstract

The present application provides an electric connector for electrically connecting with a mating connector, which comprises an insulating body, a plurality of conductive terminals fixed in the insulating body, and a locking member having a pivot shaft pivoted on the insulating body, a pressing arm pressing an upper surface of the electric connector, and a locking arm connected with the pressing arm and provided with a clamping portion arranged in a vertical direction and spaced from the pressing arm to clamp the mating connector. The electric connector can effectively improve the stability of electric contact.

Description

TECHNICAL FIELD

[0001] The present application relates to an electrical connector, in particular to an electrical connector with stable electrical contact. BACKGROUND

[0002] In the prior art, the fixing between the wire end connector and the board end connector is usually achieved by setting the snap structures on the wire end connector and the board end connector. However, when the electrical connector is impacted by external force, the wire end connector and the board end connector are still at risk of being separated from each other, resulting in unstable electrical contact.

[0003] Therefore, it is necessary to improve the existing electrical connector to solve the above problems. SUMMARY

[0004] The present application aims to provide an electrical connector with better electrical connection.

[0005] To achieve the above-mentioned purpose, the present application provides an electrical connector for electrical connection with a mating connector, which comprises an insulating body and a plurality of conductive terminals fixed in the insulating body. The electrical connector further comprises a lock piece having a pivot shaft pivotally connected to the insulating body, a pressing arm pressing the upper surface of the electrical connector, and a lock arm connected to the pressing arm, wherein the lock arm is provided with a clamping portion spaced from the pressing arm in the up-down direction to clamp the mating connector.

[0006] As a further improvement of the present application, the lock arm extends forward from the pivot shaft, and the pressing arm is formed by first bending upward and then reversely bending from the lock arm.

[0007] As a further improvement of the present application, the lock arm comprises a first lock arm extending from the pivot shaft and a second lock arm extending forward from the first lock arm, wherein the second lock arm is located below the first lock arm in the up-down direction.

[0008] As a further improvement of the present application, the lock piece has a pair of pivot shafts respectively arranged on the left and right sides of the insulating body, a pair of lock arms extending forward from the pivot shafts, and the two ends of the pressing arm are connected to the pair of lock arms.

[0009] As a further improvement of the present application, the lock arm and the pressing arm are arranged in parallel and spaced apart, and the pressing arm has a narrow portion in the middle and wide portions on both sides of the narrow portion.

[0010] As a further improvement of the present application, the lengths of the pair of pivot shafts on the left and right sides in the transverse direction are different.

[0011] As a further improvement of the present application, the electric connector comprises a shielding shell above the insulating body, the insulating body is provided with a groove on the left and right sides of the rear end of the insulating body, the shielding shell is matched with the groove to limit the pivot shaft.

[0012] As a further improvement of the present application, the insulating body is further provided with a space part in front of the groove for the mating connector to extend into, the locking arm extends from the rear to the outside of the space part, and the buckle part protrudes into the space part.

[0013] As a further improvement of the present application, the electric connector comprises a metal reinforcing part embedded in the insulating body, the metal reinforcing part is provided with a plurality of convex parts, and the shielding shell is provided with a plurality of through holes matched with the convex parts to be fixed above the insulating body.

[0014] As a further improvement of the present application, the conductive terminal has a lead-in segment connected with the cable and a contact segment connected with the mating terminal, the lead-in segment comprises a first arm connected with the cable and horizontally extended, and the contact segment extends downward from the first arm to be connected with the mating terminal.

[0015] The electric connector of the present application improves the stability of electrical contact by setting a locking part on the electric connector which can be buckled to the mating connector. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective exploded view of the electric connector and the mating connector of the present application.

[0017] Figure 2 is a perspective exploded view of the electric connector of the present application.

[0018] Figure 3 is a perspective exploded view of the electric connector of the present application from another angle.

[0019] Figure 4 is a perspective view of the conductive terminal of the present application.

[0020] Figure 5 is a perspective exploded view of the mating connector.

[0021] Figure 6 is a perspective view of the electric connector and the mating connector of the present application in combination.

[0022] Figure 7 is a perspective view of the electric connector and the mating connector of the present application in combination from another angle.

[0023] Figure 8 is Figure 7Enlarged view of the middle A. DETAILED DESCRIPTION

[0024] The application will be described in detail below with reference to the embodiments shown in the drawings. However, the embodiments do not limit the application, and the changes in structure, method, or function made by those skilled in the art based on the embodiments are included in the protection scope of the application.

[0025] Please refer to Figures 1 to 8 The electric connector of the application is shown, and first define the X axis as the front and back direction, the Y axis as the left and right direction (also called the horizontal direction), and the Z axis as the up and down direction. The electric connector of the application is a wire end connector, which is used to work with the plate end connector to electrically connect.

[0026] The electric connector is used to electrically connect with the mating connector, and the electric connector comprises an insulating body 1 and a plurality of conductive terminals 2 fixed in the insulating body 1, wherein the electric connector further comprises a locking piece 3, the locking piece 3 has a pivot shaft 31 pivoted on the insulating body 1, a pressing arm 33 pressing the upper surface of the electric connector, and a locking arm 32 connected with the pressing arm 33, the locking arm 32 is provided with a clamping part 321 spaced apart from the pressing arm 33 in the up and down direction to clamp the mating connector.

[0027] Specifically, please refer to Figure 1 and Figure 2 In the embodiment, the insulating body 1 further comprises the main body part 11 and the mating part 12 extending downward from the main body part 11, and the front end of the main body part 11 is provided with an exposed mating area for connecting with the cable. The left and right sides of the main body part 11 are respectively provided with first protrusions 111 protruding in the horizontal direction, the first protrusions 111 are arranged at relatively rear positions of the main body part 11, the first protrusions 111 and the side edges of the main body part 11 in front of the first protrusions 111 form a clearance part 13 to cooperate with the mating connector, and the outer sides of the first protrusions 111 in the horizontal direction further have first recesses 112.

[0028] The left and right sides of the rear end surface of the main body part 11 are respectively provided with second protrusions 113 protruding in the front and back direction, and the upper surface, the rear surface and the lower surface of the second protrusions 113 are provided with second recesses 114. The left and right sides of the front end surface of the main body part 11 are respectively provided with third protrusions 115 protruding in the front and back direction, and the upper surface, the front surface and the lower surface of the third protrusions 115 are provided with third recesses 116.

[0029] The first protrusion 111 and the second protrusion 113 are provided with a groove 117 recessed inwardly from the left and right sides of the main body 11, the groove 117 penetrates the upper surface of the main body 11, and the left and right sides of the groove 117 have different opening lengths in the transverse direction. Of course, in other embodiments, the opening lengths of the groove 117 in the transverse direction can be the same, or the left and right sides of the groove 117 can be connected to form one groove 117.

[0030] The docking portion 12 includes a first docking portion 121 and a second docking portion 122 arranged in front and back, and the left and right sides of the first docking portion 121 and the second docking portion 122 are connected to each other in front and back, so that the docking portion 12 has a long rectangular structure recessed from bottom to top.

[0031] Please refer to Figure 1 and Figure 2 In the present embodiment, the electrical connector includes a metal reinforcing member 4 embedded in the lower portion of the insulating body 1, and of course, in other embodiments, the metal reinforcing member 4 can also be assembled to the insulating body 1. The front and back of the metal reinforcing member 4 are respectively provided with a fixing portion 41 matched with the second recessed portion 114 and the third recessed portion 116, and the metal reinforcing member 4 is also provided with a plurality of convexities 42. In the present embodiment, the front surface of the front end of the fixing portion 41 is provided with the convexity 42 protruding forward, and the rear surface of the rear end of the fixing portion 41 is provided with the convexity 42 protruding rearward. The metal reinforcing member 4 also covers the front surface of the first docking portion 121 and is bent from the lower portion of the first docking portion 121 to the rear surface of the first docking portion 121.

[0032] In the present embodiment, the electrical connector also includes a shielding shell 5 located above the insulating body 1, and the shielding shell 5 is provided with a plurality of bent portions 51 matched with the first protrusion 111, the second protrusion 113 and the third protrusion 115. Among them, the front and rear bent portions 51 are respectively provided with through holes 52 matched with the convexities 42 to fix the shielding shell 5 above the insulating body 1. The shielding shell 5 and the groove 117 are matched with each other to form a limiting area for limiting the pivot shaft 31. The shielding shell 5 is also provided with a reinforcing rib 53 on the upper surface thereof and a plurality of grounding portions 54 at the rear end of the shielding shell 5, which are arranged in the transverse direction.

[0033] Please refer to Figure 2 and Figure 4As shown, in the embodiment, the conductive terminal 2 is embedded in the insulating body 1 and arranged in the second mating portion 122, the conductive terminal 2 has a contact segment 22 for contacting with a mating terminal on a mating connector and a lead segment 21 for contacting with a cable, the lead segment 21 includes a first arm 211 for contacting with the cable and horizontally extending and a bending portion 212 for bending downwardly from the first arm 211 and horizontally extending, the lead segment 21 is substantially in a "Z" shape.

[0034] The contact segment 22 includes a second arm 221 for contacting with the mating terminal and extending downwardly from the first arm 211 and a "U" shaped tail portion 222 extending from the second arm 221, the "U" shaped tail portion 222 bends and extends away from the first arm 211. Wherein, the width of the "U" shaped tail portion 222 along the transverse direction is less than the width of the second arm 221, the second arm 221 is further provided with a recessed portion 223 for contacting with the mating terminal, so as to improve the contact stability, the conductive terminal 2 is thus arranged to meet the high frequency signal requirement of the electrical connection, and the "U" shaped tail portion 222 bends and extends away from the first arm 211, which greatly simplifies the stamping process and reduces the damage rate of the stamped parts.

[0035] Please refer to Figure 2 , Figure 3 and Figure 8 As shown, in the embodiment, the locking arm 32 extends forwardly from the pivot shaft 31, and the pressing arm 33 is formed by bending upwardly and then reversely from the locking arm 32. The locking arm 32 includes a first locking arm 322 extending from the pivot shaft 31 and a second locking arm 323 extending forwardly and reversely from the first locking arm 322, the second locking arm 323 is below the first locking arm 322 along the up-down direction. Wherein, the buckle portion 321 is on the second locking arm 323, so arranged to facilitate the second locking arm 323 to buckle with the mating connector.

[0036] The locking member 3 has a pair of pivot shafts 31 arranged on the left and right sides of the insulating body 1 respectively, a pair of locking arms 32 extending forwardly from the pivot shafts 31, and the pressing arm 33 is connected to the pair of locking arms 32 at both ends. Of course, in other embodiments, the locking member 3 can be arranged on one side of the insulating body 1 and only buckle one side of the electrical connector, or the pressing arm 33 is interrupted in the middle, so that the locking member 3 is arranged on the left and right sides of the insulating body 1 respectively and can be buckled independently.

[0037] In the embodiment, the pivot shaft 31 is arranged in the limiting space formed by the groove 117 and the shielding shell 5, and the pivot shaft 31 on the left and right sides is different in length in the transverse direction. In this way, the lock piece 3 is conveniently installed, i.e. placed into the groove 117 from top to bottom, and the shielding shell 5 is installed, and because the pivot shaft 31 on the left and right sides is different in length, the foolproof function is effectively achieved, and the situation that the lock piece 3 cannot be buckled due to installation in reverse is avoided. Of course, in other embodiments, the pivot shaft 31 on the left and right sides can also be one pivot shaft 31 connected with each other.

[0038] The lock arm 32 is located outside the first protrusion 111 and extends forward to the outside of the accommodation portion 13, the buckle portion 321 is horizontally protruded from the lock arm 32 and extends into the accommodation portion 13, and the buckle portion 321 has guide inclined surfaces 3212 on the upper side and the lower side, so that the buckle portion 321 is substantially triangular when viewed from front to back. The lock arm 32 and the pressing arm 33 are arranged in parallel and spaced apart. In the embodiment, the buckle portion 321 is horizontally protruded from the second lock arm 323.

[0039] In this way, the pressing arm 33 has an elastic deformation space when pressing the shielding shell 5, so as to increase the elastic force of the pressing arm 33 and enhance the fixing effect of the lock piece 3, and when the lock arm 32 is buckled to the mating connector, the lock arm 32 can also be elastically deformed upward and cooperated with the lower guide inclined surface 3212 of the buckle portion 321 to be buckled to the mating connector, and when the lock arm 32 is unlocked, the lock arm 32 can also be elastically deformed downward and cooperated with the upper guide inclined surface 3212 of the buckle portion 321 to be smoothly unbuckled.

[0040] The pressing arm 33 has a narrow portion 331 in the middle and wide portions 332 on both sides of the narrow portion 331, the wide portions 332 can improve the structural strength of the pressing arm 33, and the narrow portion 331 can reduce the volume of the pressing arm 33 and save material cost.

[0041] Please refer to Figure 5 The application also provides a mating connector which is matched with the electric connection, and the left and right sides of an insulating base 6 of the mating electric connector are respectively provided with protruding portions 61 matched with the accommodation portion 13. The insulating base 6 is also provided with a first mating cavity 62 and a second mating cavity 63 matched with the first mating portion 121 and the second mating portion 122, and the first mating cavity 62 and the second mating cavity 63 are arranged in front of and behind each other, and the second mating cavity 63 is provided with a mating terminal electrically connected with the conductive terminal 2.

[0042] The docking electrical connector further comprises a metal shell 7 outside the insulating base 6, the metal shell 7 is provided with a fixing hole 71 at the left and right sides of the protruding part 61, which cooperates with the buckle part 321.

[0043] The metal shell 7 has a base part 72 covering the outside of the insulating body 1 of the docking connector, a plurality of soldering legs 73 extending downward from the base part 72 and welded to the circuit board, and a plurality of grounding sheets 74 bent from the base part 72 in the front-rear direction, which extend into the first docking cavity 62.

[0044] When the electrical connector is mounted to the docking connector, the grounding sheets 74 are in contact with the metal reinforcing part 4, which not only strengthens the cooperation stability of the electrical connector and the docking connector, but also makes the grounding sheets 74 conductive with the metal reinforcing part 4, which is connected with the shielding shell 5 through the convex part 42 and the through hole 52, so that the grounding sheets 74 can indirectly conduct the shielding shell 5, thereby strengthening the shielding effect. The grounding part 54 can directly contact the metal shell 7 to realize electrical conduction and thereby strengthen the shielding effect.

[0045] Please refer to Figures 6 to 8 The mounting process of the electrical connector of the present application is as follows: first, align the first docking part 121 and the second docking part 122 of the electrical connector with the first docking cavity 62 and the second docking cavity 63, align the protruding part 61 on both sides of the insulating base 6 of the docking connector with the accommodation part 13, then press down and mount together, then rotate the lock part 3, press down to make the buckle part 321 enter the fixing hole 71, and the fixation of the two can be realized.

[0046] In summary, the electrical connector of the present application is provided with the lock part 3 on the insulating body 1, which can be buckled to the docking connector, which not only has a simple structure and is easy to operate, but also improves the stability of electrical contact.

[0047] The above embodiments are only used to illustrate the technical solutions of the present application and are not limited, 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 electrical connector for electrically connecting with a mating connector, the electrical connector comprising an insulative body, a plurality of conductive terminals secured within the insulative body, characterized in that: The electrical connector further comprises a locking member having a pivot shaft pivotally connected to the insulating body, a pressing arm, and a locking arm connected to the pressing arm, the locking arm being provided with a clamping portion spaced from the pressing arm in the up-down direction to clamp a mating connector, the locking arm extending forward from the pivot shaft, and the pressing arm being bent upward and then reversely bent to extend toward the pivot shaft from an end of the locking arm away from the pivot shaft, the electrical connector comprising a shielding shell above the insulating body, the pressing arm being pressed on an upper surface of the shielding shell, and the locking arm and the pressing arm being parallel and spaced.

2. The electrical connector of claim 1, wherein: The electrical connector has a cable outlet side for a cable to extend out and another side opposite to the cable outlet side in the front-rear direction, the pivot shaft being connected to the another side, and the pressing arm being rotated from the another side toward the cable outlet side and being pressed to the shielding shell.

3. The electrical connector of claim 1, wherein: The locking arm comprises a first locking arm extending from the pivot shaft and a second locking arm extending forward from the first locking arm, the second locking arm being below the first locking arm in the up-down direction.

4. The electrical connector of claim 1, wherein: The locking member has a pair of pivot shafts respectively arranged on left and right sides of the insulating body, a pair of locking arms extending forward from the pivot shafts, and the pressing arm connecting the pair of locking arms at two ends thereof.

5. The electrical connector of claim 4, wherein: The pressing arm has a narrow portion in the middle and wide portions on both sides of the narrow portion.

6. The electrical connector of claim 4, wherein: The pair of pivot shafts on the left and right sides are different in length in the lateral direction.

7. The electrical connector of claim 1, wherein: The insulating body is provided with grooves recessed downward from an upper surface of the insulating body on left and right sides of a rear end of the insulating body, and the shielding shell cooperates with the grooves to limit the pivot shafts.

8. The electrical connector of claim 7, wherein: The insulating body further has a space portion on left and right sides of the grooves in front of the grooves for a mating connector to extend into the space portion, the locking arms extending rearward to outside of the space portion, and the clamping portions protruding into the space portion.

9. The electrical connector of claim 7, wherein: The electrical connector comprises a metal reinforcing member embedded in a lower portion of the insulating body, the metal reinforcing member being provided with a plurality of convex portions, and the shielding shell being provided with a plurality of through holes cooperating with the convex portions to be fixed on the upper portion of the insulating body.

10. The electrical connector of claim 1, wherein: The conductive terminal has a lead-through segment for leading through a cable and a contact segment for leading through a mating terminal, the lead-through segment comprising a first arm leading through the cable and extending horizontally, and the contact segment extending downward from the first arm to lead through the mating terminal.

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