TWI662755B - Terminal lateral fixing structure of an electrical conncector and lateral positioning terminal fixing set - Google Patents

Abstract

The invention provides an electrical connector terminal fixing structure for lateral terminal positioning, which includes an insulating housing, a terminal fixing kit, and one or more conductive terminals. The insulating casing is provided with a plurality of jacks. The terminal fixing kit includes a body portion and one or more terminal positioning units provided on a peripheral wall surface of the body portion. The body of the conductive terminal is laterally fixed to the terminal positioning unit to be coupled to the peripheral side of the body portion, and one end of the conductive terminal passes through the insulating housing through the jack.

Description

Electric connector terminal fixing structure with side terminal positioning and side positioning terminal fixing Kit

The present invention relates to an electrical connector terminal fixing structure, and particularly to an electrical connector terminal fixing structure having a lateral slot.

An electronic connector is a conductor device used to connect electrical lines. It is also commonly referred to as a circuit connector or electrical connector. It is widely used in various electrical lines to connect or disconnect circuits. The connection may be temporary. It is easy to plug and unplug at any time, and may also be a form of permanent connection.

Electrical connectors generally use pin terminals and socket terminals that are docked with each other. A plurality of circuits or wires are connected through the docked connectors. Among them, one end of the pin terminal is electrically connected to the core of the cable, and the core and the pin terminal The connection between them will directly affect the quality of the electrical wiring.

In the general assembly process of an electrical connector, an independent pin terminal is first electrically combined with an individual wire core, and then the pin terminal is inserted into a hole in the plastic shell of the electrical connector and fixed. Limited by the length of the pin terminal, during the pin insertion process, after the first pin terminal is fixed, the remaining pin terminals must be pulled back before they can be inserted into the perforations on the plastic shell, resulting in the core of the wire. Keep at least one pin terminal Therefore, it is necessary to strip more cable insulation layers, which causes excessive exposure of the core to the outside to increase the chance of oxidation and erosion.

In view of the fact that the connector in the conventional technology still has many problems that need to be improved, the inventor of this case believes that it is necessary to conceive a connector structure that is more in line with user needs, easy to manufacture and produce, and has higher reliability.

The main purpose of the present invention is to provide a connector structure that is more in line with user requirements, easy to manufacture and have higher reliability.

In order to achieve the above object, the present invention provides an electrical connector terminal fixing structure for lateral terminal positioning, which includes an insulating housing, a terminal fixing kit, and one or more conductive terminals. The insulating casing is provided with a plurality of jacks. The terminal fixing kit includes a body portion and one or more terminal positioning units provided on a peripheral wall surface of the body portion. The body of the conductive terminal is laterally fixed to the terminal positioning unit to be coupled to the peripheral side of the body portion, and one end of the conductive terminal passes through the insulating housing through the jack.

Further, the body of the conductive terminal is provided with one or a plurality of grooves, and the terminal positioning unit is provided with one or a plurality of clamping arms corresponding to the number of the grooves to clamp the groove to limit the positioning of the conductive terminal relative to the terminal. The unit is displaced in the vertical direction.

Further, the groove and the clamp arm are two respectively.

Further, a groove is provided between adjacent clamping arms between the main body portion in the circumferential direction.

Further, one end of the conductive terminal has a column-shaped groove for inserting a wire core.

Further, a through hole communicating with the columnar groove is provided on a circumferential wall surface of the tail portion of the conductive terminal.

Further, the inner peripheral side of the jack has a first guiding inclined surface corresponding to a second guiding inclined surface on the outer peripheral side of the conductive terminal, so as to limit the tail of the conductive terminal corresponding to the rear end of the second guiding inclined surface in the vertical direction. Pass through the jack.

Further, one side of the insulating housing has a positioning post, a locking structure is provided at the end of the positioning post, the terminal fixing kit has a positioning hole, and the positioning post of the insulating housing is inserted into the terminal fixing kit. The positioning holes allow the plurality of conductive terminals to pass through the jacks respectively, and the locking structure fixes the position of the terminal fixing kit after passing through the positioning holes.

Further, the positioning post is provided with one or a plurality of cutting grooves for elastic deformation.

Another object of the present invention is to provide a laterally positioned terminal fixing kit, which is disposed in an electrical connector to fix a conductive terminal. The terminal fixing kit includes a body portion and one or more conductive terminals. One or a plurality of terminal positioning units are disposed on a peripheral wall surface of the body portion. The body of the conductive terminal is fixed to the terminal positioning unit laterally to be fixed to the peripheral side of the body portion.

Further, the body of the conductive terminal is provided with one or a plurality of grooves, and the terminal positioning unit is provided with one or a plurality of clamping arms corresponding to the number of the grooves to clamp the groove to restrict the positioning of the conductive terminal relative to the terminal The unit is displaced in the vertical direction.

Further, the groove and the clamp arm are two respectively.

Further, a groove is provided between adjacent clamping arms between the main body portion in the circumferential direction.

Further, one end of the conductive terminal has a column-shaped groove for inserting a wire core.

Further, a through hole communicating with the columnar groove is provided on a circumferential wall surface of the tail portion of the conductive terminal.

Compared with the conventional technology, the present invention has the following advantages:

1. The electrical connector of the present invention can complete the terminal insertion without retaining an excessively long core, which can reduce the length of the bare core and increase the reliability of the product.

2. The electrical connector of the present invention is easier to assemble, and the production efficiency is further increased by reducing the difficulty of the process.

100‧‧‧ Electric connector terminal fixing structure

10‧‧‧ Outer shell

20‧‧‧Terminal fixing structure

21‧‧‧Insulated housing

211‧‧‧jack

2111‧‧‧First Guide Bevel

212‧‧‧Positioning post

213‧‧‧Locked structure

2131‧‧‧First side guide bevel

2132‧‧‧Second Side Guide Bevel

214‧‧‧Groove

22‧‧‧Terminal fixing kit

221‧‧‧Body

222‧‧‧Terminal positioning unit

2221‧‧‧ Clamp Arm

2222‧‧‧Groove

223‧‧‧ Positioning hole

2231‧‧‧first side slope

2232‧‧‧Second side slope

23‧‧‧Conductive terminal

231‧‧‧Second Guide Bevel

232‧‧‧Groove

233‧‧‧Column groove

234‧‧‧through hole

30‧‧‧cable

31‧‧‧core

FIG. 1 is a schematic diagram of an external appearance of a terminal fixing structure of an electrical connector according to the present invention.

FIG. 2 is a structural exploded view of a terminal fixing structure of an electrical connector in the present invention.

FIG. 3 is a schematic structural exploded view of the electrical connector terminal fixing structure in another perspective of the present invention.

FIG. 4-1 is an assembly schematic diagram (1) of an electrical connector terminal fixing structure in the present invention.

FIG. 4-2 is an assembly schematic diagram of the electrical connector terminal fixing structure (2) in the present invention.

FIG. 4-3 is an assembly schematic diagram (3) of the terminal connector fixing structure in the present invention.

For the detailed description and technical content of the present invention, we will now cooperate with the drawings. described as follows. In addition, the drawings in the present invention are for convenience of illustration, and their proportions are not necessarily drawn according to actual proportions, but they may be exaggerated. These drawings and their proportions are not intended to limit the scope of the present invention.

Please refer to FIG. 1, which is a schematic diagram of the appearance of the electrical connector in the present invention, as shown in the figure: The present invention provides an electrical connector 100. The electrical connector 100 mainly includes an outer shell 10, a terminal fixing structure 20, And a cable 30 electrically connected to the plurality of conductive terminals on the terminal fixing structure 20. The outer casing 10 is used to cover the outer side of the terminal fixing structure 20 and the cable 30 to protect the inner terminal and the wire core from oxidation or erosion. The terminal fixing structure 20 mainly includes an insulating housing 21, a terminal fixing kit 22, and a plurality of conductive terminals 23.

Please refer to "Figure 2" and "Figure 3" together for a structural exploded view of the terminal connector fixing structure in the present invention, as shown in the figure: In a preferred embodiment, the insulation case A plurality of jacks 211 and a positioning post 212 coupled to one side of the insulating housing 21 are provided on 21, and a locking structure 213 is provided at the end of the positioning post 212. The terminal fixing kit 22 includes a main body portion 221, one or more terminal positioning units 222 provided on a peripheral wall surface of the main body portion 221, and a positioning hole 223 provided on the main body portion 221. The body of the plurality of conductive terminals 23 is laterally fixed to the terminal positioning unit 222 to be coupled to the peripheral side of the body portion 221. The positioning post 212 of the insulating housing 21 is inserted into a positioning hole 223 in the terminal fixing kit 22 so that the locking structure 213 passes through the positioning hole 223 to fix the terminal fixing kit 22. The plurality of conductive terminals 23 are respectively Pass through the socket 211, restrict the displacement of the conductive terminal 23 in the horizontal direction through the socket 211, and limit the terminal fixing through the locking structure 213. The displacement of the fixing set 22 and the conductive terminal 23 thereon in the vertical direction.

In a preferred embodiment, the inner peripheral side of the insertion hole 211 of the insulating case 21 has a first guide inclined surface 2111, and the first guide inclined surface 2111 and a second guide inclined surface on the outer peripheral side of the conductive terminal 23. The guide slope 231 corresponds to restrict the tail of the conductive terminal 23 corresponding to the rear end of the second guide slope 231 from passing through the insertion hole 211 in the vertical direction. In another preferred embodiment, the insertion hole 211 can also be any other shape that can form interference, such as a slot, a step, a groove, or other mechanisms, and is not limited in the present invention. .

In a preferred embodiment, the positioning post 212 has one or more cutouts 214 for elastic deformation. The cutouts 214 have a cross shape, and the terminal fixing kit is inserted into the positioning post 212. In the positioning hole 223 of 22, the positioning hole 223 presses the positioning post 212 inward from the outer peripheral side, so that the positioning post 212 is elastically deformed in the direction of the cutting groove 214, so that the locking structure 213 passes through the positioning. Hole 223. In addition to the above-mentioned aspect, the grooves 214 may be configured with other numbers or shapes of grooves (such as a single-line shape, a Y-shape, or other shapes) according to the tolerance of the mechanism. The present invention specifically implements the grooves 214. There are no restrictions on the shape, quantity, or size, etc. In another preferred embodiment, the positioning column 212 may not be provided with a slot 214, and the volume of the locking structure 213 is designed only by the deformation allowance of the material, so that the lock structure 213 is within a reasonable deformation allowable value. Pass the positioning hole 223 within a range, and restore interference at the end to limit the displacement of the terminal fixing kit 22. Through this embodiment, people or machinery can still insert the positioning post 212 into the terminal fixing kit 22 by applying stress.

In a preferred embodiment, a peripheral edge of the upper and lower sides of the positioning hole 223 has a first inclined surface 2231 and a second inclined surface 2232, respectively. The peripheral edges of the upper and lower sides of the locking structure 213 respectively have a first side guide inclined surface 2131 and a second side guide inclined surface 2132. When the positioning post 212 is inserted into the positioning hole 223, the first side guide inclined surface 2231 contacts the first side inclined surface 2231 to guide the locking structure 213 into the positioning hole 223; the locking structure 213 passes through the positioning hole 223; When the positioning hole 223 is located, the second side guide inclined surface 2132 corresponds to the second side inclined surface 2232, so that when the terminal fixing kit 22 is detached, the positioning post 212 can be pressed inward via the second side inclined surface 2232.

The terminal positioning unit 222 on the terminal fixing kit 22 is annularly distributed on the peripheral side of the terminal fixing kit 22 for the conductive terminal 23 to be inserted from the side. The terminal positioning unit 222 may be a slot, a clip arm, a buckle, a hook, or any other mechanism that can be inserted and positioned sideways, which is not limited in the present invention.

The following describes a preferred embodiment of the terminal positioning unit 222 in the present invention. In this embodiment, the conductive terminal 23 is provided with one or a plurality of grooves 232, and the terminal positioning unit 222 is The clamping arm 2221 having one or a plurality of grooves 232 corresponding to the number of the grooves 232 clamps the grooves 232 to restrict the conductive terminal 23 from being displaced in a vertical direction relative to the terminal positioning unit 222. In this embodiment, the groove 232 and the clamp arm 2221 are two respectively, for increasing the stability of the terminal positioning unit 222 to clamp the conductive terminal 23, and the specific implementation of the groove 232 and the clamp arm 2221. The number may also be one or two or more, which is not limited in the present invention. In order to make the clamping arm 2221 fit to hold the deformed space, the terminal positioning unit 222 has a groove 2222 between adjacent clamping arms 2221 in the circumferential direction. When the conductive terminal 23 is inserted into the terminal positioning unit 222, the conductive terminal 23 having an outer diameter slightly larger than that of the terminal positioning unit 222 pushes the clamping arm 2221 toward the two sides, and the groove 2222 provides the clamping arm 2221 to generate elasticity outward. The deformed space makes the clamp arm 2221 elastic. When the conductive terminal 23 is fully inserted into the terminal positioning unit 222, the clip arm 2221 rebounds to clamp the conductive terminal 23 to restrict the conductive terminal 23 from moving.

The conductive terminal 23 has a columnar groove 233 for inserting the core 31 of the cable 30 at one end of the tail, and the metal wires in the core 31 and the metal of the columnar groove 233 are in contact with each other to achieve conduction. The conductive terminal 23 is provided with a through hole 234 connected to the columnar groove 233 on a peripheral wall surface of the tail portion, and the core 31 is fixed by crimping or welding the core 31 in the columnar groove 233. Inside the through hole 234, the wire core 31 is prevented from falling off the conductive terminal 23.

Please also refer to "Figure 4-1" to "Figure 4-3" for the assembly schematic diagrams (a) to (c) of the electrical connector terminal fixing structure in the present invention, as shown in the figure: First, as shown in "Figure 4 As shown in "-1", during assembly, the cores 31 of the cable 30 are respectively fixed to the conductive terminals 23, and the fixing method can be crimping or welding. After all the cores 31 are respectively connected to the conductive terminals 23, as shown in FIG. 4-2, the conductive terminals 23 are fixed to the terminal positioning unit 222 one by one from the side until all the conductive terminals 23 are bonded to the conductive terminals 23. The peripheral side of the terminal fixing kit 22. Finally, as shown in FIG. 4-3, the conductive terminal 23 is aligned with the insertion hole 211 on the insulating case 21, and the positioning post 212 of the insulating case 21 is passed through the positioning of the terminal fixing kit 22. The hole 223 allows the terminal fixing kit 22 to be fixed on the insulating housing 21, and at the same time allows the conductive terminal 23 to pass through the insertion hole 211 and expose the front end thereof to fix the conductive terminal 23. At this time, the conductive terminal 23 is locked through the jack 211 in the plane direction, and the conductive terminal 23 is locked through the terminal positioning unit 222 of the terminal fixing kit 22 in the vertical direction, so that the conductive terminal 23 and the The insulation case 21 is firmly coupled.

In summary, the electrical connector of the present invention does not need to retain an excessively long wire core. The terminal connection can be completed, which can reduce the length of the bare core and increase the reliability of the product. Furthermore, the electrical connector of the present invention is easier to assemble, and the production efficiency is further increased by reducing the difficulty of the process.

The present invention has been described in detail above, but the above is only one of the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, the equality made according to the scope of the patent application Changes and modifications should still be covered by the patent of the present invention.

Claims (11)

An electrical connector terminal fixing structure for lateral terminal positioning includes: an insulating housing provided with a plurality of jacks; a terminal fixing kit including a body portion, and one or a plurality of provided on the body A terminal positioning unit on a peripheral wall surface of the portion; and one or more conductive terminals, the body of the conductive terminal is laterally fixed to the terminal positioning unit to be coupled to the peripheral side of the body portion, and one end of the conductive terminal The insulation case is passed through the insertion hole; one end of the conductive terminal has a column-shaped groove for inserting a wire core, and a peripheral wall surface of the tail of the conductive terminal is provided to communicate with the column. Through hole shaped like groove. The electrical connector terminal fixing structure according to item 1 of the scope of patent application, wherein the body of the conductive terminal has one or more grooves, and the terminal positioning unit has one or more grooves corresponding to the number of grooves. The clamping arm clamps the groove to limit displacement of the conductive terminal relative to the terminal positioning unit in a vertical direction. The electrical connector terminal fixing structure according to item 2 of the scope of the patent application, wherein the groove and the clamp arm are two respectively. The electrical connector terminal fixing structure according to item 3 of the scope of patent application, wherein a groove is formed between the adjacent clamping arms between the body portion in the circumferential direction. The electrical connector terminal fixing structure according to item 1 of the scope of patent application, wherein the inner peripheral side of the jack has a first guide slope corresponding to a second guide slope on the outer peripheral side of the conductive terminal to limit the The tail of the conductive terminal corresponding to the rear end of the second guide slope passes through the socket in a vertical direction. The electrical connector terminal fixing structure according to item 1 of the scope of patent application, wherein a side of the insulating housing has a positioning post, a locking structure is provided at the end of the positioning post, and a positioning is provided on the terminal fixing kit. Hole, the positioning post of the insulating housing is inserted into the positioning hole on the terminal fixing kit to allow the plurality of conductive terminals to pass through the jacks respectively, and the locking structure fixes the position of the terminal fixing kit after passing through the positioning hole. The electrical connector terminal fixing structure according to item 6 of the scope of the patent application, wherein the positioning post is provided with one or more cutouts for elastic deformation. A laterally positioned terminal fixing kit is provided in an electrical connector for fixing a conductive terminal. The terminal fixing kit includes: a body portion, and one or a plurality of terminal positioning units are provided on a peripheral wall surface of the body portion; And one or more conductive terminals, the body of the conductive terminal is laterally fixed to the terminal positioning unit so as to be fixed to the peripheral side of the body portion; wherein one end of the conductive terminal at the tail end has a column for inserting a core. A through-hole communicating with the column-shaped groove is provided on the peripheral wall surface of the tail-shaped groove and the tail portion of the conductive terminal. The terminal fixing kit according to item 8 of the scope of patent application, wherein the body of the conductive terminal is provided with one or a plurality of grooves, and the terminal positioning unit is provided with one or a plurality of clamp arm clips corresponding to the number of the grooves. Hold the groove to limit the conductive terminal from being displaced in a vertical direction relative to the terminal positioning unit. The terminal fixing kit according to item 9 of the patent application scope, wherein the groove and the clamp arm are two respectively. The terminal fixing kit according to item 10 of the scope of patent application, wherein a groove is formed between the adjacent clamping arms between the main body in the circumferential direction.