TWI424644B - Cable end connector - Google Patents

Description

Cable connector

The present invention relates to an electrical connector, and more particularly to a cable connector that is connected to a cable.

The terminal of the conventional cable connector is generally a chip-shaped guillotine type terminal. After the chip-shaped guillotine terminal and the wire-line terminal are riveted or otherwise closely matched, the terminal conductive property is highly susceptible to the contact area of the two. The effect is that the impedance is easily generated in use, so that a heat source is generated. Obviously, the heat source will raise the temperature of the product, which in turn will reduce the safety of the cable connector. In addition, if the chip-shaped blade terminal and the wire terminal are fixed in a tight fit manner, if the wire is accidentally pulled to the wire, the wire terminal is easily separated from the blade-type terminal, and the reliability of the product is lowered. It may even affect system-side features.

In view of this, it is necessary to further improve the existing cable connector to solve the above problems.

The object of the present invention is to provide a cable connector which is simple in structure, convenient in assembly, and high in product reliability.

To achieve the above object, the present invention relates to a cable connector including: an insulative housing including a main body portion and a pair extending forward from the main body portion In the connecting portion, the insulating body is provided with a plurality of terminal receiving grooves extending through the main body portion and the abutting portion, wherein the contact portion includes a pair of contact pieces, and each contact piece extends rearward with a holding portion, and each holding portion The end portion is formed with a bend, and the locking portion is formed by the folding; the conductive terminal is correspondingly received in the terminal receiving groove, the conductive terminal comprises a contact portion and a locking portion; and the wire terminal corresponds to a locking portion connected to the conductive terminal; a locking member for locking the conductive terminal and the corresponding wire terminal; and a cable electrically connected to the wire terminal.

As a further improvement of the present invention, the locking member includes a nut and a screw, the nut is received in the conductive terminal locking portion, and the screw sequentially passes through the wire terminal and the buckle The portion cooperates with the nut to lock the conductive terminal and the line terminal.

As a further improvement of the present invention, the side edges of the conductive terminals extend inwardly to form a plurality of platforms for defining the nuts received in the conductive terminals.

As a further improvement of the present invention, the bending is formed with a snap portion for snapping each pair of bends together to form the latch portion.

As a further improvement of the present invention, the locking portion of the conductive terminal and the line terminal are respectively provided with through holes penetrating through the through hole for piercing the locking member.

As a further improvement of the present invention, the cable terminal has a cable end connecting the cable and a fixed end connecting the conductive terminal, and the fixed end is provided with a through hole for penetrating the locking component. The cable end is cylindrical for electricity Sexually and mechanically connect the cables.

According to a further improvement of the present invention, the conductive terminal has a "U" shape, and the conductive terminal comprises the latch portion formed on the bottom of the "U" shape and a pair of oppositely extending contact pieces, the pair of contact pieces forming The contact portion.

As a further improvement of the present invention, the latching member clamps the conductive terminal latching portion and the wire terminal terminal fixed end therein.

As a further improvement of the present invention, the conductive terminal further includes a holding portion connecting the locking portion and the contact portion, the holding portion is formed with a holding elastic piece, and the groove for the inside of the terminal receiving groove is provided The holding elastic piece is received to fix the conductive terminal in the terminal receiving groove.

According to a further improvement of the present invention, the terminal receiving groove includes a first channel located in the abutting portion and a second channel located at a rear portion of the body portion, the width of the first channel being smaller than the width of the second channel .

As a further improvement of the present invention, a partition wall is further formed between the first channel and the second channel, and the nut is placed between the partition wall and the conductive terminal latching portion.

The invention combines the wire terminal 30 with the conductive terminal 20 by screwing, so as to avoid the wire terminal being easily torn off, increasing the reliability of the product, and increasing the contact area between the conductors to reduce the impedance thereof. .

Referring to the first figure and the second figure, the cable connector 100 of the present invention is packaged. The insulating body 10 includes a plurality of conductive terminals 20 housed in the insulative housing 10, a line terminal 30 electrically connected to the conductive terminal 20, and a locking member 40 for mechanically connecting the conductive terminal 20 and the line terminal 30. The cable 50 with the line terminal 30 is connected. In the present embodiment, the cable connector 100 has four sets of conductive terminals 20, stripped terminals 30, and latching members 40. However, the number of the conductive terminals 20 and the stripped terminals 30 is not limited, and may be designed as different numbers according to requirements. .

Referring to the first and second figures, the insulative housing 10 includes a main body portion 11 and an abutting portion 12 extending forward from the main body portion 11. A plurality of terminal receiving grooves 101 are formed in the insulative housing 10 to penetrate the main body portion 11 and the abutting portion 12 for receiving the conductive terminals 20 correspondingly. Specifically, as shown in the fourth figure, each of the terminal receiving slots 101 includes a first channel 102 at the abutting portion 12 and a second channel 103 at the body portion 11. The width of the first channel 102 is smaller than the width of the second channel 103. A partition wall 104 is also formed between the first channel 102 and the second channel 103. A groove 105 is defined in the inner wall of the terminal receiving groove 101 adjacent to the second channel 103. It can be understood that the groove 105 can also be opened at other positions in the terminal receiving groove according to the shape of the terminal. The mating structure of the recess 105 and the conductive terminal 20 will be described in detail below. In particular, a plurality of spacers 112 are formed on the rear side of the main body portion 11 of the insulative housing 10 for separating the conductive terminals 20 from a short circuit or the like that may occur.

Referring to the third and fourth figures, each of the conductive terminals 20, the line terminal 30, the locking member 40 and the cable 50 constitute a terminal group. Each conductive The terminal 20 is generally of a "U" shape and includes a contact portion 21, a holding portion 22 connected to the contact portion 21, and a latch portion 23. The contact portion 21 includes a pair of oppositely extending contact pieces 211. The holding portion 22 extends rearward from the contact piece 211, and a bend 220 is formed at the end of the holding portion 22. The bends 220 are superposed on each other to form the latching portion 23. It should be noted that in the embodiment, the conductive terminal 20 is composed of two terminals. In other embodiments, the conductive terminal 20 can also be made of a piece of terminal plate material. Therefore, it can be understood that the so-called "U" type bottom portion constitutes the latching portion 23. A holding elastic piece 24 is further disposed on the holding portion 22, and when the conductive terminal 20 is inserted into the terminal receiving groove 101, the holding elastic piece 24 is retained in the groove 105, and then the conductive terminal 20 is fixed to the insulation. Body 10. A through hole (not labeled) is formed in the locking portion 23 for inserting the locking member 40. The specific cooperation manner will be described below. In particular, in the embodiment, a connecting portion 25 is obliquely connected between the contact piece 211 and the corresponding holding portion 22.

Continuing to refer to the third drawing and in conjunction with the first and second figures, the line terminal 30 includes a fixed end 31 connected to the locking portion 23 of the conductive terminal 20 and a cable end 32 connecting the cable 50. A through hole (not labeled) is formed in the fixed end 31 for penetrating the locking member 40. The cable end 32 has a cylindrical shape. It can be understood that the specific structure of the fixed end 31 and the cable end 32 can be designed according to the application environment.

In the embodiment, the locking member 40 includes a nut 41 and a screw 42 matched thereto. The screw 42 passes through the fixed end 31 of the strip terminal 30 The through hole and the through hole of the locking portion 23 of the conductive terminal 20 are further incorporated into the nut 41 to firmly bond the conductive terminal 20 and the line terminal 30. Certainly, the locking component 40 can also adopt other locking components or locking manners. Any component that can be used to mechanically bond the conductive terminal 20 and the wire terminal 30 can be regarded as the lock of the present invention. Fastener 40. Here, we will not list them one by one.

Please continue to refer to another embodiment of the conductive terminal of the present invention shown in FIG. In this embodiment, the conductive terminal 20a is also composed of a combination of two terminals, and includes a contact portion 21a extending in parallel, a holding portion 22a extending rearward from the contact portion 21a, and a locking portion 23a. Similarly, the locking portion 23a is formed by superimposing the end portion of the holding portion 22a. In particular, the bends 220a are respectively formed with protrusions 26a and hooks 27a, which cooperate to form a snap portion, thereby tightly joining the two bends 220a.

Please refer to still another embodiment of the conductive terminal of the present invention shown in FIG. In this embodiment, the conductive terminal 20b has substantially the same structure as the conductive terminal of the other embodiments described above, and details are not described herein again. In particular, the side of the conductive terminal 20b extends inwardly to form a plurality of platforms 29b for defining the nut 41 received in the conductive terminal 20b.

During assembly, the nut 41 is placed in the latching portion 23 of the conductive terminal 20, and the conductive terminal 20 is inserted into the corresponding terminal receiving slot 101 from the rear end of the insulating body 10 together with the nut 41. The elastic piece 24 is inserted into the groove 105 of the inner wall of the terminal receiving groove 101 to fix the conductive terminal 20. Then, the fixed end 31 of the strip terminal 30 is aligned with the position of the latch portion 23. Finally, will The screw 42 of the locking member 40 passes through the through hole of the fixed end 31 and the through hole of the locking portion 23 in turn, and is screwed into the nut 41.

In general, the present invention combines the wire terminal 30 and the conductive terminal 20 in a screw-locking manner, so as to avoid the wire terminal being easily torn off, increasing the reliability of the product, and increasing the contact area between the conductors, Reduce its impedance.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

100‧‧‧ cable connector

10‧‧‧Insulated body

101‧‧‧ Reception trough

102‧‧‧First channel

103‧‧‧Second channel

104‧‧‧ partition wall

105‧‧‧ Groove

11‧‧‧ Main body

112‧‧‧Interval

12‧‧‧Docking Department

20, 20a, 20b‧‧‧ conductive terminals

21, 21a‧‧Contacts

211‧‧‧Contacts

22, 22a‧‧‧ Holding Department

220, 220a‧‧‧bend

23, 23a‧‧‧Locking Department

24‧‧‧Shrap

25‧‧‧Connecting Department

26a‧‧‧ Protrusion

27a‧‧‧ hook

29b‧‧‧ platform

30‧‧‧With wire terminal

31‧‧‧ fixed end

32‧‧‧ cable end

40‧‧‧Locks

41‧‧‧ Nuts

42‧‧‧ screws

50‧‧‧ Cable

The first figure is a perspective view of the cable connector of the present invention.

The second figure is a partial exploded view of the cable connector shown in the first figure.

The third figure is a schematic diagram of the terminal structure of the cable connector of the present invention.

The fourth figure is a sectional view of the assembly of the cable connector of the present invention.

Figure 5 is a block diagram showing another embodiment of the cable connector terminal of the present invention.

Figure 6 is a block diagram showing still another embodiment of the cable connector terminal of the present invention.

100‧‧‧ cable connector

10‧‧‧Insulated body

11‧‧‧ Main body

112‧‧‧Interval

12‧‧‧Docking Department

20‧‧‧Electrical terminals

30‧‧‧With wire terminal

40‧‧‧Locks

50‧‧‧ Cable

Claims (10)

A cable connector includes: an insulative housing, the insulative housing includes a main body portion and an abutting portion extending forward from the main body portion, the insulative housing is provided with a plurality of terminal receiving slots extending through the main body portion and the abutting portion; The conductive terminal is correspondingly received in the terminal receiving slot, and the conductive terminal includes a contact portion and a latching portion, wherein the contact portion includes a pair of contact pieces, and each contact piece extends rearward with a holding portion, and each holding portion The end is formed with a bend, the locking portion is formed by the folding; the wire terminal is correspondingly connected to the locking portion of the conductive terminal; the locking member is used for locking the conductive terminal and the corresponding a line terminal; and a cable electrically connected to the line terminal. The cable connector of claim 1, wherein the locking member comprises a nut and a screw, the nut is received in the conductive terminal locking portion, and the screw sequentially passes through the The wire terminal and the locking portion cooperate with the nut to lock the conductive terminal and the wire terminal. The cable connector of claim 2, wherein the conductive terminal side edges extend inwardly to form a plurality of platforms for defining the nut received in the conductive terminals. The cable connector of claim 1, wherein the bend is formed with a buckle portion for snapping each pair of bends together to form the lock portion. The cable connector of claim 4, wherein the locking portion of the conductive terminal and the wire terminal are each provided with a through hole for penetrating the locking member. The cable connector of claim 1, wherein the cable terminal has a cable end connecting the cable and a fixed end connecting the conductive terminal, and the fixed end is provided with a through hole for The locking member is worn, and the cable end is cylindrical for electrically and mechanically connecting the cable. The cable connector of claim 6, wherein the conductive terminal has a "U" shape, and the conductive terminal comprises the latch portion formed on the bottom of the "U" shape and a pair of oppositely extending Contact strips that form the contact portion. The cable connector of claim 1, wherein the conductive terminal further comprises a holding portion connecting the locking portion and the contact portion, the holding portion is formed with a holding elastic piece, and the terminal receiving A groove is formed in the interior of the slot for receiving the holding elastic piece, so that the conductive terminal is fixed in the terminal receiving groove. The cable connector of claim 1, wherein the terminal receiving groove comprises a first channel located in the abutting portion and a second channel located at a rear portion of the body portion, wherein the width of the first channel is less than The width of the second channel. The cable connector of claim 9, wherein a partition wall is further formed between the first channel and the second channel, and the nut is placed on the partition wall and the Between the conductive terminal latches.