TWI775312B - Terminal electrical connector and electrical connector assembly comprising thereof - Google Patents

Abstract

The present invention provides a terminal electrical connector, which includes a terminal unit and a rotating cap. The terminal unit includes a terminal unit body, one or more electrical terminals disposed inside the terminal unit body, and a torsion spring positioned on the terminal unit body. The peripheral surface of the terminal unit body comprises a limit groove for limiting the pivoting stroke and a first positioning groove for positioning the first end of the torsion spring. The rotating cap includes a cap body, and one or more locking blocks disposed on the cap body for locking on another terminal electrical connector. The inner surface of the cap body comprises a sliding block and a positioning groove. The sliding block is used for limiting the pivoting stroke of the rotating cap relative to the terminal body, and the torsion spring elasticity returns the rotating cap to the reset position relative to the terminal body.

Description

Terminal electrical connector and electrical connector assembly including the same

The present invention relates to a terminal electrical connector and an electrical connector assembly including the same, in particular to a quick-release and quick-set terminal electrical connector and an electrical connector assembly including the same.

An electrical connector is a conductive device that connects electrical lines. These components can be used as endpoints for connection between different components in the same circuit system, or provide power and data connections between different circuit systems and devices. Electrical connectors are widely used in various electrical circuits to provide the function of connecting or disconnecting circuits. Because of the form, they are called a pair of male and female. In the common form, the mobile end is mostly male, while the fixed end is mostly female. The time depends on the shape of the electrical connector.

In addition to meeting general performance requirements, electrical connectors must also achieve good electrical contact, high reliability, and high convenience according to actual needs. Because product reliability may endanger the operation of the overall equipment, for The reliability requirements of electrical connectors are naturally not low. For this reason, equipment manufacturers have very strict requirements on the quality and reliability of electrical connectors. Depending on use and function, electrical connectors may include different shapes, structures, and the like.

The main purpose of the present invention is to provide a terminal electrical connector, which includes a terminal piece and a rotating cap. The terminal piece includes a terminal piece body, one or a plurality of electrical terminals disposed on the inner side of the terminal piece body, and a torsion spring positioned on the terminal piece body. The outer peripheral side of the terminal piece body is provided with a function to limit pivoting A limit groove for travel, and a first positioning groove for positioning the first end of the torsion spring. The rotating cap includes a cap body, and one or more locking blocks arranged on the cap body for locking on another terminal electrical connector, a slider and a second positioning groove are arranged on the inner peripheral surface of the cap body , the slider is correspondingly arranged in the limiting slot to limit the pivoting stroke of the rotating cap relative to the terminal body, and the second end of the torsion spring is arranged inside the second positioning slot so that the rotating cap is relative to the terminal body. The terminal body inertia returns to the position of the reset angle.

Another object of the present invention is to provide an electrical connector assembly, including an electrical terminal connector as described above, and another electrical terminal connector. The other terminal electrical connector is configured to be electrically connected with the terminal electrical connector. The other terminal electrical connector includes another terminal piece body, and one or more electrical terminals disposed inside the other terminal piece body, and the outer peripheral surface of the other terminal piece body is provided with the locking block The number and position of the corresponding locking grooves. Wherein, the other terminal piece body of the other terminal electrical connector is butted with the terminal piece body of the terminal electrical connector to form an electrical connection, and the locking block on the rotating cap is embedded and inserted through the inertial force of the torsion spring. Locked to the locking groove to limit the axial travel between the terminal electrical connector and the other terminal electrical connector.

Therefore, the terminal electrical connector of the present invention can not only achieve the effect of quick release and quick assembly, but also can achieve relatively high strength in the connection in the plug-and-pull axial direction, and has high convenience and reliability. In addition, in terms of a secondary effect, the terminal electrical connector of the present invention is easier to assemble than the electrical connector in the past, which effectively increases the efficiency of the process and reduces the cost.

The detailed description and technical content of the present invention are described below with reference to the drawings. Furthermore, the drawings in the present invention are not necessarily drawn according to the actual scale for the convenience of description, and the drawings and their proportions are not intended to limit the scope of the present invention.

The following describes the first embodiment of the present invention. Please refer to FIG. 1 to FIG. 4 , which are the appearance schematic diagram, the structural exploded schematic diagram (1), the structural exploded schematic diagram (2), and the first embodiment of the present invention. Partially transparent schematic, as shown.

The present embodiment discloses an electrical connector assembly 100 . The electrical connector assembly 100 includes a first terminal electrical connector 1A and a second terminal electrical connector 1B which are arranged correspondingly to each other. The combination of 1A and the second terminal electrical connector 1B constitutes an electrical connection.

The first terminal electrical connector 1A mainly includes a first terminal piece 10 and a rotating cap 20 disposed on the first terminal piece 10 . The first terminal piece 10 includes a first end The sub-piece body 11 , one or more electrical terminals 12 disposed inside the first terminal piece body 11 , and a torsion spring 13 positioned on the first terminal piece body 11 . A limiting groove 14 for limiting the pivoting stroke and a first positioning groove 15 for positioning the first end 131 of the torsion spring 13 are provided on the outer peripheral side of the first terminal body 11 , and one side of the limiting groove 14 is provided There is a boss 141 . The rotating cap 20 includes a cap body 21 and one or more locking blocks 22 disposed on the cap body 21 for locking on the second terminal electrical connector 1B. The inner peripheral surface of the cap body 21 is provided with a slider 211 and a second positioning groove 212 . The sliding block 211 is correspondingly disposed in the limiting groove 14 to limit the pivoting stroke of the rotating cap 20 relative to the first terminal body 11 . The second end 132 of the torsion spring 13 is disposed inside the second positioning groove 212 , so that the rotating cap 20 is inertially returned to the position of the reset angle relative to the first terminal body 11 . In one embodiment, the locking block 22 is provided with a first guiding slope 221 .

In one embodiment, the second positioning groove 212 includes a guide groove 2121 extending to an opening on one side of the rotating cap 20 for the second end 132 of the torsion spring 13 to be introduced into, and a guide groove 2121 disposed in the guide groove 2121 . The limit groove 2122 at the inner end is provided with a limit wall 2123 on both sides of the limit groove 2122 . The design of the limit wall 2123 prevents the second end 132 of the torsion spring 13 from escaping from the limit groove 2122 .

In one embodiment, in order to strengthen the bonding strength of the rotating cap 20 and the first terminal piece 10 in the insertion and extraction axis direction, one or more positioning wings 23 are disposed on the inner peripheral surface of the rotating cap 20. The first terminal One or a plurality of lateral locking portions 16 are provided on the outer peripheral side of the member 10 to cooperate with the positioning wings 23 . The lateral locking portion 16 includes a first thrust wall 161 , a second thrust wall 162 , and a fitting groove 163 disposed between the first thrust wall 161 and the second thrust wall 162 . The fitting groove 163 is configured for the positioning wing 23 to be embedded when the slider 211 is locked in the limiting groove 14 , so as to limit the axial travel of the rotating cap 20 relative to the first terminal piece 10 . In one embodiment, in order to allow the positioning wing 23 to be axially combined with the rotating cap 20 and the first terminal piece 10, the first thrust wall 161 can be avoided, so that the positioning wing 23 can be aligned with the first thrust wall 161. The opening OP between the first thrust wall 161 and the second thrust wall 162 , the first thrust wall 161 is shorter than the second thrust wall 162 to form the fitting groove 163 for the positioning wing 23 to enter The give way space SP.

The second terminal electrical connector 1B is configured to be electrically connected to the first terminal electrical connector 1A. The second terminal electrical connector 1B includes a second terminal body 30 and one or a plurality of electrical terminals 31 disposed inside the second terminal body 30 . The outer peripheral surface of the second terminal body 30 is provided with locking grooves 32 corresponding to the number and position of the locking blocks 22 , for the locking blocks 22 to be locked and combined after being introduced. The locking block 22 on the rotating cap 20 is embedded and locked to the locking groove 32 via the inertial force of the torsion spring 13 to limit the axis between the first terminal electrical connector 1A and the second terminal electrical connector 1B to the itinerary.

The second terminal body 30 of the second terminal electrical connector 1B is butted with the first terminal body 11 of the first terminal electrical connector 1A, so that the terminal pins (electrical properties) inside the first terminal body 11 The terminal 12) is inserted into the terminal slot (electrical terminal 31) inside the second terminal body 30 to form an electrical connection.

In one embodiment, the first terminal body 11 of the first terminal electrical connector 1A is provided with a first limiting portion 112 (as shown in FIG. 7 ). A second limiting portion 33 corresponding to the position of the first limiting portion 112 is disposed on the two terminal fitting bodies 30 . In this embodiment, the first limiting portion 112 is a foolproof convex rib, and the second limiting portion 33 is a foolproof groove; in another embodiment, the first limiting portion 112 is a foolproof groove. It is a foolproof groove, the second limiting portion 33 is a foolproof convex rib, the first limiting portion 112 and the second limiting portion 33 can be implemented in any form to achieve the effect of interference positioning, Such morphological changes are not limited in the present invention. In another embodiment, the first limiting portion 112 and the second limiting portion 33 may also be omitted according to practical conditions, which are not limited in the present invention.

In order to combine the first terminal body 11 with the second terminal body 30 , the locking block 22 on the rotating cap 20 is locked in the locking groove 32 by the inertial force of the torsion spring 13 , so as to achieve the effect of preventing the backlash. , the locking groove 32 includes an opening 321 disposed on the outer peripheral surface, and a clamping groove 322 disposed on the outer peripheral surface and communicated with the opening 321, and a second locking groove 32 is disposed on one side of the opening 321 The guiding inclined surface 323, the second guiding inclined surface 323 is inclined toward the opening 321 from the outside to the inside. The stroke between the grooves 322 of the opening 321 corresponds to the range of the rotation stroke of the rotating cap 20 relative to the first terminal piece 10 (corresponding to the arc range of the limiting groove 14 ). Under the condition that the first limiting portion 112 and the second limiting portion 33 are aligned, when the locking block 22 is aligned with the opening 321 , the slider 211 is located in the limiting groove 14 corresponding to the torsion spring 13 is at the tight first position; under the condition that the first limiting portion 112 and the second limiting portion 33 are aligned, when the locking block 22 is aligned with the locking groove 322, the slider 211 is located at the The limiting groove 14 corresponds to the second position where the torsion spring 13 is released relative to the first position. Through the above configuration, the inertial force of the torsion spring 13 provides torsion force from the opening 321 toward the card groove 322 to rotate the rotating cap 20 to lock the locking block 22 inside the card groove 322 .

In one embodiment, the outer peripheral surface of the second terminal body 30 is provided with threads 34 for locking with an inner thread (not shown) of a protective cover, which is not limited in the present invention.

The specific structure of the electrical connector assembly 100 of the present invention has been described in detail above. The following describes the use state of the electrical connector assembly 100 of the present invention. Please refer to FIG. 5 and FIG. A schematic diagram of the combination of male and female terminals in an embodiment (1), and a schematic diagram of the combination of male and female terminals in the first embodiment (2), as shown in the figures.

First, as shown in FIG. 5 , during the assembly stage of the male and female terminals, align the first limiting portion 112 of the first terminal body 11 (eg, a foolproof rib) to the second terminal body The second limiting portion 33 (eg, a foolproof groove) of the 30 (as shown in FIG. 2 and FIG. 7 ) is used to combine the first terminal body 11 and the second terminal body 30 in the axial direction. The rotating cap 20 is configured such that when the first limiting portion 112 is aligned with the second limiting portion 33 , the first guiding inclined surface 221 on the locking block 22 of the rotating cap 20 is just aligned with the locking groove 32 on the second guide slope 323.

Continuing, as shown in FIG. 6 , when the first terminal body 11 is inserted into the second terminal body 30 , the first guide slope 221 on the locking block 22 of the rotating cap 20 is directed toward the second guide The inclined surface 323 presses and moves toward the opening 321 with the guidance of the second guiding inclined surface 323 (presses the torsion spring 13 ); when the locking block 22 enters the opening 321 , the locking block 22 moves to the torsion spring The release side of 13 receives the elastic force provided by the torsion spring 13 and moves toward the card groove 322 through the position of the opening 321 (such as the arrow direction A1 ) to achieve the locking effect.

When releasing the lock, it is only necessary to rotate the rotating cap 20 in the reverse direction (unlocking direction) to the bottom, and then pull out the first terminal body 11 backward to achieve the unlocking effect. After the unlocking, the rotating cap 20 is returned to the initial position by the elastic force of the torsion spring 13 .

For the assembling procedure of the first terminal electrical connector 1A, please refer to "FIG. 7" to "FIG. 12" together, which are schematic diagrams (1) to (6) of the assembly process according to the first embodiment of the present invention. as the picture shows.

For the convenience of description and clear understanding of the technical features of the present invention, the schematic diagrams of the assembly process in Figs.

Please refer to FIG. 7 first. In the assembling process, the central sleeve portion of the torsion spring 13 is first sleeved on the outer peripheral side of the first terminal body 11, and the first end 131 of the torsion spring 13 is inserted into the positioning The slot 15 is used to couple the torsion spring 13 to the first terminal body 11 .

Next, align and insert the second end 132 of the torsion spring 13 into the opening of the guide groove 2121 on the rotating cap 20, and then, as shown in "Fig. 8", insert the rotating cap 20 into the first terminal body 11, let the second end 132 of the torsion spring 13 move along the guide groove 2121, and push it to the bottom in the axial direction (such as the arrow direction A2) until the locking block 22 hits the first thrust wall 161.

Continuing, please refer to "Fig. 9", rotate the rotating cap 20 relative to the first terminal fitting body 11, and align the locking block 22 to pass through the passage groove 17 between the adjacent lateral locking portions 16, and then proceed as follows As shown in FIG. 10 , push the rotating cap 20 forward from the axial direction (such as the arrow direction A3 ) to the bottom until the positioning wing 23 passes through the space SP and meets the second thrust wall 162 .

Continuing, please refer to "Fig. 11", after the above-mentioned assembly process, the position of the slider 211 is arranged to be aligned with the convex seat 141 on one side of the limiting groove 14; then, as shown in "Fig. 12", as shown in , rotate the rotating cap 20 so that the slider 211 passes through the convex seat 141 (such as the arrow direction A4), so that the slider 211 moves into the limiting groove 14; at the same time, the positioning wing 23 is embedded in the first stop The fitting groove 163 between the thrust wall 161 and the second thrust wall 162 has formed an axial locking.

In addition to the above embodiment of the present invention, the same structure can also be implemented in the case of exchange of male and female terminals, please refer to "Fig. (two).

In the second embodiment of the present invention, the first terminal electrical connector 1C can be implemented in the form of a male terminal, and the second terminal electrical connector 1D can be implemented in the form of a female terminal in cooperation with the first terminal electrical connector 1C. Specifically, the first terminal electrical connector 1C includes a rotating cap 20A, and a first terminal piece 10A arranged to cooperate with the rotating cap 20A, wherein the internal structure of the rotating cap 20A is basically the same as that of the first embodiment, and no further explanation is given. Repeat. Compared with the first embodiment, the electrical terminals 12A on the first terminal body 11A of the present embodiment replace the terminal pins in the form of terminal sockets, and are implemented in the form of protruding posts to form male terminals; the second The terminal electrical connector 1D includes a second terminal piece body 30A, wherein the outer structure of the peripheral side of the second terminal piece body 30A is substantially the same as that of the first embodiment. Compared with the first embodiment, the electrical terminals 31A on the second terminal body 30A of the present embodiment are in the form of terminal pins instead of the terminal sockets, and have a socket for inserting the protruding post to form a female socket. terminal. The reverse arrangement of the male and female terminals, and the differences in the number, shape and size of the terminal pins and terminal slots are not within the scope of the present invention. In another embodiment, the present invention can also be used in various conventional connectors, which is not limited in the present invention.

To sum up, the terminal electrical connector of the present invention can not only achieve the effect of quick release and quick assembly, but also can achieve relatively high strength in the connection in the plugging axis, and has high convenience and reliability. In addition, in terms of a secondary effect, the terminal electrical connector of the present invention is easier to assemble than the electrical connector in the past, which effectively increases the efficiency of the process and reduces the cost.

The present invention has been described in detail above, but the above is only one of the preferred embodiments of the present invention, and should not limit the scope of the present invention, that is, all claims made according to the scope of the present invention are equal. Changes and modifications should still fall within the scope of the patent of the present invention.

100 electrical connector combinations 1A first terminal electrical connector 10 The first terminal 11 The first terminal body 112 The first limit part 12 Electrical terminals 13 Torsion spring 131 first end 132 Second end 14 Limit slot 141 Boss 15 The first positioning groove 16 Lateral locking part 161 First Thrust Wall 162 Second Thrust Wall 163 Chimeric groove 17 through slot OP opening SP give way to space 20 Swivel cap 21 Cap body 211 Slider 212 Second positioning slot 2121 Guide groove 2122 Limit groove 2123 Limit Wall 22 lock block 221 The first guide slope 23 Positioning wings 1B The second terminal electrical connector 30 The second terminal body 31 Electrical terminals 32 Locking slot 321 Opening 322 Kagou 323 Second guide slope 33 The second limit part 34 Thread A1 Arrow direction A2 Arrow direction A3 Arrow direction A4 Arrow direction 1C The first terminal electrical connector 10A first terminal 11A The first terminal body 12A electrical terminal 20A Rotary cap 1D Second terminal electrical connector 30A The second terminal body 31A electrical terminal

FIG. 1 is a schematic view of the appearance of the first embodiment of the present invention.

FIG. 2 is a schematic exploded view (1) of the structure of the first embodiment of the present invention.

FIG. 3 is a schematic diagram (2) of the structure decomposition of the first embodiment of the present invention.

FIG. 4 is a partially transparent schematic diagram of the first embodiment of the present invention.

FIG. 5 is a schematic diagram (1) of the combination of male and female terminals according to the first embodiment of the present invention.

FIG. 6 is a schematic diagram (2) of the combination of male and female terminals according to the first embodiment of the present invention.

FIG. 7 is a schematic diagram (1) of the assembly process of the first embodiment of the present invention.

FIG. 8 is a schematic diagram (2) of the assembly process of the first embodiment of the present invention.

FIG. 9 is a schematic diagram (3) of the assembly process of the first embodiment of the present invention.

FIG. 10 is a schematic diagram (4) of the assembly process of the first embodiment of the present invention.

FIG. 11 is a schematic diagram (5) of the assembly process of the first embodiment of the present invention.

Fig. 12 is a schematic diagram (6) of the assembly process of the first embodiment of the present invention.

FIG. 13 is a schematic view (1) of the appearance of the second embodiment of the present invention.

Fig. 14 is a schematic view (2) of the appearance of the second embodiment of the present invention.

100 electrical connector combinations 1A first terminal electrical connector 20 Swivel cap 21 Cap body 212 Second positioning slot 22 lock block 1B The second terminal electrical connector 30 The second terminal body 32 Locking slot

Claims (8)

A terminal electrical connector, comprising: a terminal piece, including a terminal piece body, one or a plurality of electrical terminals arranged inside the terminal piece body, and a torsion spring positioned on the terminal piece body, the terminal piece body A limit groove for limiting the pivoting stroke and a first positioning groove for positioning the first end of the torsion spring are provided on the outer peripheral side; A locking block for locking on another terminal electrical connector, the inner peripheral surface of the cap body is provided with a sliding block and a second positioning groove, the sliding block is correspondingly disposed in the limiting groove to limit the rotation of the cap Relative to the pivoting stroke of the terminal body, the second end of the torsion spring is disposed inside the second positioning groove to allow the rotating cap to return to the reset angle by inertia relative to the terminal body; One or more positioning wings are arranged on the inner peripheral surface, and one or more lateral locking portions are arranged on the outer peripheral side of the terminal piece, and the lateral locking portions include a first thrust wall, a second thrust wall, and a a fitting groove between the first thrust wall and the second thrust wall, the fitting groove is configured for the positioning wing to be embedded to limit the rotation cap relative to the terminal piece when the slider is locked in the limiting groove of axial travel. The terminal electrical connector as claimed in claim 1, wherein the second positioning groove comprises a guide extending to the opening on one side of the rotating cap for the introduction of the second end of the torsion spring A guide groove and a limit groove arranged at the inner end of the guide groove, and a limit wall is respectively provided on both sides of the limit groove. The electrical terminal connector of claim 1, wherein the first thrust wall is shorter than the second thrust wall to form a space for the positioning wing to enter the fitting groove. An electrical connector combination, comprising: the terminal electrical connector according to any one of claim 1 to claim 3; and another terminal electrical connector configured to be electrically connected with the terminal electrical connector, The other terminal electrical connector includes another terminal piece body, and one or more electrical terminals disposed inside the other terminal piece body, and the outer peripheral surface of the other terminal piece body is provided with the locking block Locking grooves corresponding in number and position; wherein, the other terminal body of the other terminal electrical connector is butted with the terminal body of the terminal electrical connector to form an electrical connection, and the locking block on the rotating cap is connected through the The inertial force of the torsion spring is embedded and locked on the locking groove to limit the axial travel between the electrical terminal connector and the other electrical terminal connector. The electrical connector assembly of claim 4, wherein the locking groove comprises an opening provided on the outer peripheral surface, and a snap groove provided on the outer peripheral surface and communicated with the opening. The electrical connector assembly according to claim 5, wherein the terminal piece body of the terminal electrical connector is provided with a first limiting portion, and the other terminal piece body of the other terminal electrical connector is provided with a corresponding At the second limit portion of the first limit portion, the inertial force of the torsion spring provides torsion force from the opening toward the card groove to rotate the rotating cap to lock the locking block on the card groove. inside. The electrical connector assembly according to claim 6, wherein the locking block is provided with a first guiding inclined surface, and the locking groove is provided with a second guiding inclined surface on one side of the opening. The electrical connector assembly according to claim 4, wherein threads are provided on the outer peripheral surface of the body of the other terminal piece.

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