TWM462999U - Cable connector - Google Patents

Description

Cable connector

The present invention relates to a connector, and more particularly to a cable connector.

With the development of digital technology, the demand for transmitting power or data between electronic devices is increasing. Therefore, how to provide good transmission quality of electronic devices through a stable and reliable connector is a target of concern to all relevant operators today.

Currently in the industry, cable connectors are an important component commonly used to connect electronic devices. A conventional cable connector is disclosed in the Japanese Patent Publication No. TW201203749 A1 (corresponding to the Chinese Patent Application No. CN201010205618.3; corresponding to US Patent Publication No. US2011/0312225 A1), wherein each terminal has a connecting portion, the tail of the connecting portion The end forms an arcuate inner surface to conform to the conductive layer of the cable, and is sleeved to the cable through a wire clamp to bring the cable into fixed contact with the terminal. However, this type of clamping and fixing has a poor tensile strength, which causes the cable to be easily detached from the terminal when it is pulled.

Another conventional cable connector disclosed in the Taiwan Patent Publication No. TW201244304 A1 (corresponding to the Chinese Patent Application No. CN201110088114.2; corresponding to US Patent Publication No. US2012/0258631 A1), is folded by two conductive terminals. Form a locking part and pass through a locking piece It is interlocked with the one line terminal. Although the connection method has a better cable tensile strength, in the manufacturing process, the through hole of the cable terminal and the locking portion on the two conductive terminals are not easily aligned and the assembly is difficult; The locking member is locked and not fully positioned, so that the cable terminal and the cable are rotated and offset relative to the conductive terminal when the cable is pulled.

Accordingly, it is an object of the present invention to provide a cable connector that is easy to align.

Another object of the present invention is to provide a cable connector that does not cause cable rotation and deflection.

A further object of the present invention is to provide a cable connector having a high tensile strength.

Thus, the novel cable connector includes at least one cable, at least one plug connected to the cable, and at least one retaining member. One end of the cable contains a metal lug for connection to the plug. The metal terminal has a retaining hole. The plug includes a housing and a first terminal and a second terminal. The first terminal and the second terminal are assembled to each other facing the housing, and respectively have a first tail portion and a second tail portion extending outside the housing. The first tail portion is opposite to the second tail portion and constitutes a terminal mounting groove and a stopping portion. The terminal mounting slot has an opening for the metal terminal to be plugged.

The first tail defines a first perforation corresponding to the retaining aperture. The second tail has a second perforation corresponding to the first perforation. The stopping portion is located on a side of the terminal mounting groove opposite to the opening for blocking the metal terminal and aligning the holding hole with the first through hole and the second through hole. Holder The first through hole, the second through hole, and the retaining hole are bored, and the first tail portion and the second tail portion are matched with the metal joint for fixing the metal joint, the first tail portion and the second tail portion to each other.

The effect of the novel is: through the design of the mounting groove and the stopping portion of the terminal, the metal terminal of the cable is inserted into the terminal mounting groove to be restricted and positioned with the plug, and the retaining hole, the first perforating and the first The two perforations are correctly aligned with each other, which improves the assembly convenience when the cable and the plug are assembled. In addition, the metal lugs are not limited to rotate and offset relative to the plug due to the limit of the lug mounting slots. In addition, the first terminal and the second terminal are clamped between the metal terminal and the holding member by the metal terminal and the holding member, so that the cable connector has excellent tensile strength.

1‧‧‧ Cable

10‧‧‧Heat shrink sleeve

11‧‧‧Metal terminal

111‧‧‧ holding hole

2‧‧‧ plug

20‧‧‧ socket

21‧‧‧ housing

211‧‧‧Clock block

212‧‧‧ Groove

22‧‧‧First terminal

220‧‧‧First tail

221‧‧‧ first contact

222‧‧‧

223‧‧‧First perforation

224‧‧‧Wiring head mounting slot

225‧‧‧ openings

226‧‧‧ base wall

227‧‧‧ side wall

228‧‧‧First bent wall

229‧‧‧Second bending wall

23‧‧‧second terminal

230‧‧‧ second tail

231‧‧‧Second contact

232‧‧‧Second perforation

233‧‧‧U-shaped groove

234‧‧‧Sheet

24‧‧‧stops

241‧‧‧Fold

242‧‧ ‧ retaining wall

25‧‧‧ hook

26‧‧‧Contact strip

3‧‧‧ holding parts

4‧‧‧Frame

41‧‧‧Installation holes

42‧‧‧ card slot

43‧‧‧Guide board

5‧‧‧Electrode plate

I‧‧‧Drop direction

The other features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, wherein: FIG. 1 is a perspective view illustrating a first preferred embodiment of the present invention; 2 is an exploded view showing the two plugs assembled in a frame; FIG. 3 is a perspective view showing a plug and a corresponding cable; FIG. 4 is an exploded view showing the detailed structure of the first preferred embodiment; 5 is a cross-sectional view taken along line VV of FIG. 1 to illustrate the internal structure of the first preferred embodiment; FIG. 6 is a perspective view showing a second preferred embodiment of the present cable connector; Figure 7 is an exploded view showing the detailed structure of the second preferred embodiment; Figure 8 is an exploded view showing the detailed structure of a first terminal and a second terminal in the second preferred embodiment; Is a perspective view showing a third preferred embodiment of the cable connector of the present invention; FIG. 10 is an exploded view showing the detailed structure of the third preferred embodiment; FIG. 11 is an exploded view showing the third comparison A detailed structure of a first terminal and a second terminal in the preferred embodiment; and FIG. 12 is a perspective view showing a frame in the third preferred embodiment having two guiding plates.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 to FIG. 4 , a first preferred embodiment of the cable connector of the present invention includes two cables 1 and two plugs respectively connected to the corresponding cables 1 and two for locking respectively. The two cables 1 are fixed to the holder 3 of the corresponding plug 2, and a frame 4 for assembling the two plugs 2. The two heat shrinkable sleeves 10 are respectively wrapped around the joints of the respective cables 1 and the corresponding plugs 2 to provide a protection. The front end of each plug 2 has a socket 20 which can be inserted into an electrode plate 5 in a plugging direction I. The frame 4 includes two side-by-side mounting holes 41 for the plug 2 to be engaged in the mounting hole 41, and a plurality of fixing grooves 42 are formed at the edges of the defining mounting holes 41 to respectively fix the fixing blocks 211 on the outer sides of the two plugs 2 The limit is fixed.

One end of each cable 1 contains a substantially rectangular metal The terminal 11 is connected to the corresponding plug 2, and each of the metal terminals 11 has a holding hole 111. Each plug 2 includes a housing 21, a first terminal 22 and a second terminal 23. The front end of the housing 21 has a socket 20, and the first terminal 22 and the second terminal 23 are assembled to each other in the housing 21. The first terminal 22 and the second terminal 23 each have a hook 25 formed on the outer side, and are fastened by the hook 25 to the two recesses 212 corresponding to the inner side of the housing 21 (see FIG. 5). The terminal 22 and a second terminal 23 are firmly fixed in the housing 21.

Each of the first terminals 22 further has a one extending out of the housing 21 The first tail portion 220, and a first contact portion 221 formed at one end opposite to the first tail portion 220. The first tail portion 220 has a ring wall 222 and a first through hole 223 corresponding to the retaining hole 111. Each of the second terminals 23 further has a second tail portion 230 extending outside the housing 21, and a second contact portion 231 formed at one end opposite to the second tail portion 230. The second tail portion 230 has a second through hole 232 corresponding to the holding hole 111, and a U-shaped groove 233 for overlapping the ring wall 222. After the limiting of the ring wall 222 through the U-shaped groove 233 and the assembly of the first terminal 22 and the second terminal 23 to the housing 21, the alignment of the first through hole 223 and the second through hole 232 is assisted.

The second contact portion 231 and the first contact portion 221 are located in the housing 21 The sockets 20 are elastic and spaced apart from each other, whereby the electrode plates 5 are clamped to each other and electrically connected to the electrode plates 5 when the corresponding electrode plates 5 are inserted into the plugs 2. In addition, the first contact portion 221 and the second contact portion 231 each have a plurality of strip-shaped contact strips 26, which can increase the elasticity of the first contact portion 221 and the second contact portion 231, so that the electrode plate 5 can be more easily inserted into the first contact. The stability between the portion 221 and the second contact portion 231 is increased.

The first tail portion 220 is opposite to a second tail portion 230 and constitutes a The terminal mounting slot 224 and a stop portion 24 are provided. The terminal mounting slot 224 is substantially a rectangular slot that fits the metal terminal 11 , and the terminal mounting slot 224 is used for accommodating and positioning the metal terminal 11 of the corresponding cable 1 and has an opening parallel to the insertion direction I. 225 for the metal connector 11 to be plugged. In the present embodiment, the terminal mounting groove 224 is defined by a ring wall 222.

The stopper portion 24 is located at the terminal mounting groove 224 opposite to the opening One side of the 225 is used to block the metal terminal 11 from passing through the terminal mounting groove 224, and provides alignment assistance when the metal terminal 11 is inserted into the corresponding terminal mounting groove 224, so that the holding hole 111 and the first through hole 223 are The second perforations 232 are aligned with each other. In the preferred embodiment, each of the blocking portions 24 has two bent pieces 241 which are formed by bending the ring wall 222 of the first tail portion 220 toward the terminal mounting groove 224. It does not need to be produced through additional processes, and it also saves the use of materials.

Referring to FIG. 3 to FIG. 5, each of the holding members 3 is matched to the corresponding one. The first through hole 223, the second through hole 232, and the retaining hole 111 are engaged with the metal tail 11 of the corresponding cable 1 to clamp the first tail portion 220 and the second tail portion 230, thereby making the metal terminal 11 and the first The tail portion 220 and the second tail portion 230 are firmly fixed and electrically connected to each other to provide a good tensile strength of the cable connector.

Specifically, each of the holding holes 111 in the preferred embodiment is a The screw holes, each of the holding members 3 is a screw that is locked to the screw hole, and is tightly locked by the screw hole and the screw, so that the first tail portion 220 and the second tail portion 230 are tightly clamped to the holding member 3 and the metal terminal 11 There is no need to use a separate nut and screw to achieve the effect of clamping and fixing, which reduces the complexity of the cable connector and component composition. Of course, the holding member 3 can also cooperate A nut is used instead of the fixing hole 111 as a screw hole, or any component having a fixing function other than a screw is selected, and only the holding member 3 can be used to connect the first tail portion 220, the second tail portion 230 and the metal terminal 11 to each other. Secure it securely.

Referring to FIG. 6 to FIG. 8 , the second type of the cable connector of the present invention In a preferred embodiment, the second preferred embodiment is substantially identical to the first preferred embodiment, the main difference being the structure of the first tail portion 220, the second tail portion 230, and the stop portion 24. In the second preferred embodiment, the first tail portion 220 has a base wall 226 and two side walls 227. The two side walls 227 extend perpendicularly from opposite sides of the base wall 226 to form a U-shaped structure. The two tail portions 230 collectively define a terminal mounting slot 224. The first tail portion 220 does not completely surround the structure of the terminal mounting groove 224, so that the metal terminal 11 can enter the terminal mounting groove 224 from the direction of the vertical insertion direction I to facilitate assembly.

The second tail portion 230 is located at the terminal mounting slot with a tolerance. The sheet 234 in 224 replaces the U-shaped groove 233 in the first preferred embodiment. The second through hole 232 is disposed on the sheet body 234. The body 234 abuts against the base wall 226 of the first tail 220 and is constrained by the two side walls 227 to assist the alignment of the first through hole 223 and the second through hole 232. Further, in the second preferred embodiment, the stopper portion 24 is formed on the second terminal 23 and has a stopper wall 242 which is punched and bent by the sheet body 234. The direction of the retaining wall 242 is perpendicular to the direction of the opening 225 of the terminal mounting groove 224, thereby limiting the position of the metal terminal 11 within the terminal mounting groove 224 such that the retaining hole 111 is located opposite the first through hole 223 and the second through hole 232. .

Referring to FIG. 9 to FIG. 12, the third of the new type of cable connector The preferred embodiment is substantially the same as the first preferred embodiment. The main difference is that in the third preferred embodiment, the opening 225 of the terminal mounting groove 224 is perpendicular to the plugging direction I, and the metal terminal 11 is vertical. The direction of the plugging direction I is inserted and positioned in the terminal mounting groove 224. In addition, the first tail portion 220 has a first bent wall 228 and a second bent wall 229 respectively in an L shape, and the first bent wall 228 and the second bent wall 229 are opposite to each other to fit around the defined terminal mounting groove 224. In addition, the blocking portion 24 is formed in a flat shape on the first terminal 22, and connects the first bending wall 228 and the second bending wall 229.

The second tail portion 230 is bent to form a fitting portion 24 and a portion The L-shaped structure outside the bent wall 229, thereby assisting the positioning of the second tail portion 230 and the first tail portion 220 while aligning the first through hole 223 with the second through hole 232. It should be noted that in the third preferred embodiment, the frame 4 further includes two guiding plates 43 extending outward from the side of the frame 4 adjacent to the electrode plates 5 (not shown). The guiding plates 43 are spaced between the two plugs 2 and have a V-shaped end. When the plug 2 is inserted into the two electrode plates 5, a guiding function can be generated to prevent the electrode plate 5 from being mistakenly inserted between the two plugs 2, which is correct. The two plugs 2 are guided to the corresponding electrode plates 5.

In summary, the present invention utilizes the terminal mounting slot 224 and the block The structure of the stopping portion 24 is such that when the metal terminal 11 of the cable 1 is inserted into the terminal mounting groove 224, the positioning effect is obtained, and when the metal terminal 11 is inserted into the terminal mounting groove 224, the holding hole 111 can be automatically The alignment with the first through hole 223 and the second through hole 232 completes the assembly process as a whole. In addition, the rectangular metal terminal 11 is limited by the rectangular terminal mounting groove 224, so that when the cable 1 is pulled, it is not relative to The plug 2 is rotated and offset. In addition, the first terminal 22 and the second terminal 23 are clamped between the metal terminal 11 and the holding member 3 by the cooperation of the metal terminal 11 and the holding member 3, thereby greatly improving the tensile resistance of the cable connector. strength. Therefore, it is indeed possible to achieve the purpose of this creation.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

1‧‧‧ Cable

11‧‧‧Metal terminal

2‧‧‧ plug

20‧‧‧ socket

21‧‧‧ housing

211‧‧‧Clock block

22‧‧‧First terminal

220‧‧‧First tail

224‧‧‧Wiring head mounting slot

225‧‧‧ openings

23‧‧‧second terminal

230‧‧‧ second tail

3‧‧‧ holding parts

I‧‧‧Drop direction

Claims (14)

A cable connector comprising: at least one cable comprising a metal terminal at one end, the metal terminal having a retaining hole; at least one plug connected to the cable, and including a housing, and a first a terminal and a second terminal, the first terminal and the second terminal are assembled to each other in the housing, and respectively have a first tail portion and a second tail portion extending outside the housing, and the first tail portion has a corresponding a first through hole of the holding hole, the second tail portion has a pair of second through holes that should be fixed, the first tail portion abuts the second tail portion and constitutes a terminal mounting groove and a stopping portion, the terminal is installed The slot has an opening for inserting the metal connector, the blocking portion is located on a side of the terminal mounting slot opposite to the opening, for blocking the metal connector, and the retaining hole and the first through hole And the second through hole is aligned; and the at least one holding member is disposed in the first through hole, the second through hole and the holding hole, and cooperates with the metal wire to clamp the first tail portion and the second tail portion. The cable connector of claim 1, wherein the plug is insertable in a plugging direction; the opening direction of the connector mounting slot is parallel to the plugging direction. The cable connector of claim 1, wherein the first tail portion defines a ring wall surrounding the mounting groove of the terminal. The cable connector according to claim 3, wherein the blocking portion is formed on the first terminal, and has two bent pieces which are punched by the ring wall and bent in the direction of the terminal mounting groove. . The cable connector of claim 3, wherein the second tail portion further has a U-shaped groove to overlap the ring wall to assist the first through hole and the second through hole. The cable connector of claim 1, wherein the first tail portion has a base wall and two side walls; the two side walls extend perpendicularly from opposite sides of the base wall. The cable connector of claim 6, wherein the second tail portion further has a single body; the second through hole is disposed on the sheet body; the sheet body is lower than the base wall and is limited by the side walls The first perforation is aligned with the second perforation. The cable connector of claim 7, wherein the blocking portion is formed at the second terminal and has a retaining wall that is punched and bent by the sheet to be perpendicular to the opening direction. The cable connector of claim 1, wherein the plug is insertable in a plugging direction; the opening direction of the connector mounting slot is perpendicular to the plugging direction. The cable connector of claim 9, wherein the first tail portion has a first bent wall and a second bent wall respectively in an L shape, and the first bent wall and the second bent wall are opposite to each other Define by cooperation The terminal mounting slot is formed on the first terminal and connects the first bending wall and the second bending wall. The cable connector according to any one of claims 1 to 10, wherein a front end of each of the housings has a socket; the first terminal forms a first contact portion at an end opposite to the first tail portion; the second The terminal forms a second contact portion at an end opposite to the second tail portion; the first contact portion and the second contact portion are located at the socket of the housing and are spaced apart from each other, and each has a plurality of strip-shaped contact strips. The cable connector according to any one of claims 1 to 10, comprising two cables, two plugs, and two corresponding holding members; the cable connector further comprising a frame for assembling the two plugs; The frame includes two side-by-side mounting holes for respectively engaging and fixing the two plugs in the corresponding mounting holes. The cable connector according to any one of claims 1 to 10, wherein the holding hole is a screw hole, and the holding member is a screw that is fitted to the screw hole. The cable connector of any one of claims 1 to 10, wherein each of the metal lugs is rectangular, and each of the lug mounting slots is a rectangular slot that fits each of the metal lugs.