CN219959573U

CN219959573U - Wire end connector and connector assembly

Info

Publication number: CN219959573U
Application number: CN202320451626.9U
Authority: CN
Inventors: 杨文初; 陈伟顺; 熊海涛; 刘振兴; 李杭
Original assignee: Amphenol Assembletech Xiamen Co Ltd
Current assignee: Amphenol Assembletech Xiamen Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-11-03
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a wire end connector and a connector assembly, which relate to the technical field of electric connectors and comprise: the first insulator is internally provided with first to third electric connection parts in sequence along the length direction of the first insulator, the first to third electric connection parts are respectively connected with first to third cables, one of the first to third electric connection parts is a power supply connection part, and at least one of the first to third electric connection parts is a signal connection part; the bottom of the first insulator is provided with a downward extending plug-in part, the plug-in part is provided with a lock catch, the lock catch is connected with a pull belt for unlocking the lock catch, and the vertical center line of the pull belt is different from the distance between two end faces of the first insulator in the length direction; in order to solve the problem that when the wire end connector is pulled out, one end is pulled out firstly and the other end is pulled out later, so that the wire end connector is inconvenient to pull out and the wire end connector and the board end connector are easy to damage.

Description

Wire end connector and connector assembly

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a wire end connector and a connector assembly.

Background

At present, only one terminal group and one electric connection part are usually arranged for a high-speed connector, but when multiple interfaces are needed for plugging, the number of the connectors needed to be used is large, so that the total occupied space is large, and the layout of products is not facilitated. Accordingly, it is desired to develop a wire end connector capable of connecting a plurality of electrical connection portions and having a compact structure. For the wire end connector, the pull belt is arranged on the lock catch so as to facilitate the wire end connector to be pulled out from the corresponding board end connector, and the lock catch can be unlocked by pulling the pull belt, and the pull belt and the lock catch are arranged in the middle. In practical application, when the wire end connector is pulled out, the two ends are not pulled out simultaneously, but one end is pulled out first, and the other end is pulled out later, so that the wire end connector is inconvenient to pull out, and the wire end connector and the board end connector are easy to damage.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art, and provides a wire end connector and a connector assembly, which solve the problems that when the wire end connector is pulled out, one end is pulled out first and the other end is pulled out later, so that the wire end connector is inconvenient to pull out and the wire end connector and the board end connector are easy to damage due to the fact that a pull belt and a lock catch on the conventional wire end connector are arranged in the middle.

In order to achieve the above object, the present utility model provides a wire end connector comprising:

the first insulator is internally provided with a first electric connection part, a second electric connection part and a third electric connection part in sequence along the length direction of the first insulator, the first electric connection part, the second electric connection part and the third electric connection part are respectively connected with a first cable, a second cable and a third cable, one of the first electric connection part, the second electric connection part and the third electric connection part is a power supply connection part, and at least one of the first electric connection part, the second electric connection part and the third electric connection part is a signal connection part;

the bottom of first insulator is provided with downwardly extending's grafting portion, be provided with the hasp on the grafting portion, be connected with on the hasp and be used for the unblock the stretching strap of hasp, the vertical central line of stretching strap is different with the distance of the on-length direction both ends face of first insulator.

Optionally, the first electrical connection is a power connection and the second electrical connection is a sideband signal connection.

Optionally, the third electrical connection comprises at least one of a sideband signal connection and a differential signal connection.

Optionally, a distance between a vertical center line of the pull strap and an end face of the first insulator, which is close to the first electrical connection portion, is smaller than a distance between a vertical center line of the pull strap and an end face of the first insulator, which is close to the third electrical connection portion.

Optionally, at least the front side of the bottom of the first insulator is provided with the plug-in portion, the lock catch is disposed on the plug-in portion located on the front side of the bottom of the first insulator, and the lock catch is provided with a lock protrusion.

Optionally, the lock catch comprises a lock plate bent into a U shape, one surface of the lock plate is clamped in a lock groove on the surface of the plug-in connection part, the other surface of the lock plate is a free end and is exposed, the two lock protrusions are arranged on the outer side of the other surface of the lock plate, and the pull belt is connected with the upper end of the other surface of the lock plate.

Optionally, a through groove is formed at the upper end of the other surface of the lock plate, and the length of the through groove is greater than the width of the pull strap, so that the pull strap can move along the through groove.

Optionally, a guide hole is provided on the top surface of the first insulator, and the guide hole extends from one end of the first insulator to the front side of the first insulator and forms an opening on the front side of the first insulator.

Optionally, the plugging portion includes at least one first plugging portion and at least one second plugging portion, the first plugging portion is located on a side surface of the first electrical connection portion and a side surface of the second electrical connection portion, each second plugging portion is located on a side surface of the third electrical connection portion, and a first positioning portion is disposed between the first plugging portion and the second plugging portion adjacent to the first plugging portion.

Optionally, the integrated circuit board further comprises a printed circuit board, the lower portion of the printed circuit board extends downwards to form a first plugboard portion and at least two second plugboard portions, a first gap is formed between the first plugboard portion and the second plugboard portion, the first electric connection portions and the second electric connection portions are arranged on the first plugboard portion at intervals, each third electric connection portion is arranged on one second plugboard portion, at least two third electric connection portions are arranged at intervals, a second gap is formed between every two adjacent second plugboard portions, a third gap is formed between every two adjacent second plugboard portions in the length direction of the first insulator, and fourth gaps are respectively formed between the first positioning portion and the first plugboard portion and between the first positioning portion and the second plugboard portion.

Optionally, the first plugging portion is plate-shaped, the first positioning portion is columnar, the width of the first plugging portion along the length direction of the first insulator is not greater than 8.23mm, and the width of the first positioning portion along the length direction of the first insulator is not greater than 4.27mm.

Optionally, the bottoms of the two end surfaces in the length direction of the first insulator are provided with second positioning parts extending downwards, the second positioning parts are plate-shaped, and a fifth gap is arranged between the second positioning parts and the plugging part.

The utility model also provides a connector assembly which comprises the board end connector and the wire end connector.

Optionally, the board end connector includes:

the second insulator is internally provided with a first terminal group, a second terminal group and a third terminal group in sequence along the length direction of the second insulator, and the first terminal group, the second terminal group and the third terminal group are respectively in plug-in fit with the first electric connecting part, the second electric connecting part and the third electric connecting part;

the shell is sleeved outside the second insulator, a plug-in groove is formed between at least one of the front side surface and the rear side surface of the second insulator and the shell, and at least part of the front end surface and/or the rear end surface of the shell is recessed inwards to form a positioning groove; the bottom of the first insulator is provided with a first positioning part extending downwards, the inserting groove is in inserting fit with the inserting part, and the positioning groove is in inserting fit with the first positioning part.

The utility model provides a wire end connector and a connector assembly, which have the beneficial effects that: the line end connector integrates the first electric connection part, the second electric connection part and the third electric connection part, wherein the line end connector comprises a power connection part and a signal connection part, saves space, and can be in plug fit with a plug groove on the board end connector through the plug part, so that the plug stability is ensured; meanwhile, the vertical center line of the pull belt on the lock catch of the wire end connector is different from the distance between the two end faces of the first insulator in the length direction, in practical application, the pull belt can be enabled to be closer to the end face of one end of the wire end connector, which is pulled out after the wire end connector, the distance between the pull belt and the end face is shortened, the distance between the pull belt and the other end face is increased, the two ends of the wire end connector can be pulled out at the same time when the wire end connector is pulled out, and the wire end connector and the board end connector are conveniently and protected.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.

Fig. 1 shows a schematic front view of a wire end connector according to an embodiment of the present utility model.

Fig. 2 is a three-dimensional structural schematic diagram showing a view angle of a line-end connector according to an embodiment of the present utility model.

Fig. 3 is a three-dimensional structural schematic diagram showing another view of a line-end connector according to an embodiment of the present utility model.

Fig. 4 shows a three-dimensional schematic of a connector assembly according to one embodiment of the utility model.

Reference numerals illustrate:

1. a first insulator; 2. a first electrical connection; 3. a second electrical connection; 4. a third electrical connection; 5. locking; 6. pulling a belt; 7. locking the convex; 8. a lock hole; 9. a through groove; 10. a guide hole; 11. a first plug-in connection; 12. a second plug-in connection; 13. a first positioning portion; 14. a first board insertion section; 15. a second board insertion section; 16. a second positioning portion; 17. a housing; 18. and a positioning groove.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 to 3, the present utility model provides a wire end connector including:

the first insulator 1, the first insulator 1 has first electric connection part 2, second electric connection part 3 and third electric connection part 4 sequentially along its length direction inside, the first electric connection part 2, second electric connection part 3 and third electric connection part 4 are connected with first cable, second cable and third cable respectively, one of the first electric connection part 2, second electric connection part 3 and third electric connection part 4 is the power connection part, at least one of the first electric connection part 2, second electric connection part 3 and third electric connection part 4 is the signal connection part;

the bottom of first insulator 1 is provided with downwardly extending's grafting portion, is provided with hasp 5 on the grafting portion, is connected with the stretching strap 6 that is used for unblock hasp 5 on the hasp 5, and the vertical central line of stretching strap 6 is different with the distance of the two terminal surfaces on the length direction of first insulator 1.

Specifically, in order to solve the problems that in the prior art, the pull belt 6 and the lock catch 5 on the wire end connector are arranged in the middle, when the wire end connector is pulled out, one end is pulled out firstly, and the other end is pulled out later, so that the wire end connector is inconvenient to pull out, and the wire end connector and the board end connector are easy to damage; the wire end connector provided by the utility model integrates the first electric connection part 2, the second electric connection part 3 and the third electric connection part 4, wherein the wire end connector comprises the power supply connection part and the signal connection part, saves space, and can be in plug fit with the plug groove on the board end connector through the plug part, so that the plug stability is ensured; meanwhile, the vertical center line of the pull belt 6 on the lock catch 5 of the wire end connector is different from the distances between the two end faces in the length direction of the first insulator 1, so that the pull belt 6 is closer to the end face of one end of the wire end connector, which is pulled out after the wire end connector, in practical application, the distance between the pull belt 6 and the end face is shortened, the distance between the pull belt 6 and the other end face is increased, the two ends of the wire end connector can be pulled out at the same time when the wire end connector is pulled out, and the wire end connector and the board end connector are conveniently and protected.

Alternatively, the first electrical connection 2 is a power connection and the second electrical connection 3 is a sideband signal connection.

Specifically, the line terminal connector realizes the integration of power connection and Sideband signal (Sideband) connection through the arrangement of the power connection part and the Sideband signal connection part, expands the functions of the line terminal connector, realizes the multifunctional integrated design, and realizes the functional integration of the electric connector on the basis of realizing the integration of the electric connection parts in number.

Optionally, the third electrical connection 4 comprises at least one of a sideband signal connection and a differential signal connection.

Specifically, at least one of the Sideband signal (Sideband) and the differential signal (Differential signal) can be selected as the signal transmitted by the third electrical connection portion 4 according to the need, so as to realize the diversity of signal transmission.

Alternatively, the distance between the vertical center line of the pull tape 6 and the end face of the first insulator 1 near the first electrical connection portion 2 is smaller than the distance between the vertical center line of the pull tape 6 and the end face of the first insulator 1 near the third electrical connection portion 4.

Specifically, the first electric connection part 2 of the wire end connector is in plug-in fit with the first terminal group on the board end connector, the clamping force of the first terminal group to the first electric connection part 2 is large, the wire end connector is pulled out after being close to one end of the first electric connection part 2 in the pulling-out process, one end close to the third electric connection part 4 is pulled out first, the wire end connector sets the drawstring 6, and the distance between the vertical center line of the drawstring 6 and the end face of the first insulator 1, which is close to the first electric connection part 2, is smaller than the distance between the vertical center line of the drawstring 6 and the end face of the first insulator 1, which is close to the third electric connection part 4, so that two ends of the wire end connector can be pulled out simultaneously as much as possible.

Optionally, at least the front side of the bottom of the first insulator 1 is provided with a plug-in part, the lock catch 5 is provided on the plug-in part located at the front side of the bottom of the first insulator 1, and the lock catch 5 is provided with a lock protrusion 7.

Specifically, the locking protrusion 7 of the line terminal connector can be clamped into the locking hole 8 on the board terminal connector, so that the line terminal connector can be clamped and fixed.

In one example, the rear side of the bottom of the first insulator 1 is also provided with a plug-in portion, which can improve the stability of plug-in.

Optionally, the lock catch 5 comprises a lock plate bent into a U shape, one surface of the lock plate is clamped in a lock groove on the surface of the plug-in part, the other surface of the lock plate is a free end and is exposed, the two lock protrusions 7 are arranged on the outer side of the other surface of the lock plate, and the pull belt 6 is connected to the upper end of the other surface of the lock plate.

Specifically, the lock plate bent into the U shape has elasticity, and when the pull belt 6 is pulled or the other surface of the lock plate is pressed, the lock protrusion 7 on the other surface of the lock plate can be driven to retract from the lock hole 8 on the plate end connector, and the wire end connector can be pulled out at the moment.

Optionally, a through slot 9 is provided at the upper end of the other surface of the lock plate, and the length of the through slot 9 is greater than the width of the pull strap 6, so that the pull strap 6 can move along the through slot 9.

Specifically, a groove matched with the width of the pull belt 6 is formed in the upper end of the other surface of the lock plate in the prior art, and the pull belt 6 is limited.

Alternatively, a guide hole 10 is provided on the top surface of the first insulator 1, the guide hole 10 extending from one end of the first insulator 1 to the front side of the first insulator 1 and forming an opening at the front side of the first insulator 1.

Specifically, one end of the pull belt 6 is connected with the through groove 9, the other end of the pull belt 6 passes through the guide hole 10 and then extends out of the top surface of the first insulator 1, the guide block plays a guiding role on the pull belt 6, and when the pull belt 6 is pulled, the pull belt 6 applies a pulling force which is upward to the upper end of the other surface of the lock plate and inclines towards one surface of the lock plate, so that the lock catch 5 can be unlocked and the line-end connector can be pulled out of the board-end connector.

Optionally, the plugging portion includes at least one first plugging portion 11 and at least one second plugging portion 12, the first plugging portion 11 is located on a side surface of the first electrical connection portion 2 and the second electrical connection portion 3, each second plugging portion 12 is located on a side surface of one third electrical connection portion 4, and a first positioning portion 13 is provided between the first plugging portion 11 and the second plugging portion 12 adjacent to the first plugging portion 11.

Specifically, the first plugging portion 11 is disposed on at least one side of the first electrical connection portion 2 and the second electrical connection portion 3, at least one second plugging portion 12 is disposed on a side of each third electrical connector, in this embodiment, the first plugging portion 11 is disposed on one side close to the front side of the first insulator 1, the second plugging portions 12 are disposed in pairs, each pair of second plugging portions 12 is disposed on the front side and the rear side of one third electrical connection portion 4, the first positioning portion 13 is disposed to be capable of being in plugging fit with the positioning groove 18 on the board end connector, further plugging positioning is provided for plugging of the line end connector, and plugging stability is improved.

Optionally, the printed circuit board further comprises a printed circuit board, the lower portion of the printed circuit board extends downwards to form a first plugboard portion 14 and at least two second plugboard portions 15, a first gap is arranged between the first plugboard portion 14 and the second plugboard portion 15, the first electric connection portion 2 and the second electric connection portion 3 are arranged on the first plugboard portion 14 at intervals, each third electric connection portion 4 is arranged on one second plugboard portion 15, at least two third electric connection portions 4 are arranged at intervals, a second gap is arranged between every two adjacent second plugboard portions 15, a third gap is arranged between every two adjacent second plugboard portions 12 along the length direction of the first insulator 1, and a fourth gap is respectively arranged between the first positioning portion 13 and the first plugboard portion 11 and between the first positioning portion 13 and the second plugboard portion 12.

Specifically, the first electrical connection part 2, the second electrical connection part 3 and the third electrical connection part 4 are integrated on the same printed circuit board, the circuit board is provided with a first plugboard part 14 and a second plugboard part 15 which extend downwards, and the first plugboard part 14 and the second plugboard part 15 are provided with golden fingers for being spliced with a terminal group on the board-end connector; the first electric connection part 2 and the second electric connection part 3 are arranged on the same first plugboard part 14, enough electric gaps are kept between the first electric connection part 2 and the second plugboard part, enough electric gaps are kept between the adjacent third electric connection parts 4 through the second gaps, and the different third electric connection parts 4 are respectively arranged on different second plugboard parts 15, so that a plurality of plug structures are formed, and the stability of plug is ensured.

In the present embodiment, two pairs of second plugging portions 12 are provided, and the two pairs of second plugging portions 12 correspond to the two second board plugging portions 15, respectively.

Alternatively, the first plugging portion 11 is plate-shaped, the first positioning portion 13 is columnar, the width of the first plugging portion 11 along the length direction of the first insulator 1 is not more than 8.23mm, and the width of the first positioning portion 13 along the length direction of the first insulator 1 is not more than 4.27mm.

Specifically, the width of the first plugging portion 11 along the length direction of the first insulator 1 is not greater than 8.23mm, the width of the first positioning portion 13 along the length direction of the first insulator 1 is not greater than 4.27mm, compared with the case where the widths of the first plugging portion 11 and the first positioning portion 13 in the wire end connector in the prior art become smaller, when the first plugging portion 11 and the first positioning portion 13 are respectively plugged and matched with the plugging groove and the positioning groove 18 on the board end connector, a gap is formed between the first plugging portion 11 and the groove wall of the corresponding plugging groove, and a gap is formed between the first positioning portion 13 and the groove wall of the corresponding positioning groove 18, even if the wire end connector is slightly inclined when the wire end connector is pulled out, namely, the case where the other end is pulled out after the other end is slightly pulled out, the problem that the wire end connector and the board end connector are damaged is avoided due to the fact that the first plugging portion 11 collides with the groove wall of the corresponding plugging groove and/or the first positioning portion 13 collides with the groove wall of the corresponding positioning groove 18 in the inclined pulling out process of the wire end connector as in the prior art is avoided.

Optionally, the bottoms of the two end surfaces in the length direction of the first insulator 1 are provided with second positioning parts 16 extending downwards, the second positioning parts 16 are plate-shaped, and a fifth gap is arranged between the second positioning parts 16 and the plug-in connection parts.

Specifically, when the line-end connector is plugged into the corresponding board-end connector, the two second positioning parts 16 are respectively attached to the outer sides of the shells 17 of the board-end connectors, so that plugging, positioning and guiding effects are achieved, and the plugging stability is further improved.

As shown in fig. 4, the present utility model further provides a connector assembly including a board-end connector and the above-mentioned line-end connector.

Optionally, the board end connector comprises:

the second insulator is internally provided with a first terminal group, a second terminal group and a third terminal group along the length direction of the second insulator in sequence, and the first terminal group, the second terminal group and the third terminal group are respectively in plug-in fit with the first electric connecting part 2, the second electric connecting part 3 and the third electric connecting part 4;

the shell 17 is sleeved outside the second insulator, a plug-in groove is formed between at least one of the front side surface and the rear side surface of the second insulator and the shell 17, and at least part of the front end surface and/or the rear end surface of the shell 17 is recessed inwards to form a positioning groove 18; the bottom of the first insulator 1 is provided with a first positioning part 13 extending downwards, the inserting groove is in inserting fit with the inserting part, and the positioning groove 18 is in inserting fit with the first positioning part 13.

Specifically, the line end connector is an integrated line end connector, when the line end connector is plugged with the board end connector, the plugging part is inserted into the plugging groove, and the first positioning part 13 is inserted into the positioning groove 18, so that the line end connector is plugged and fixed on the board end connector.

Further, the plugging grooves comprise a first plugging groove and a second plugging groove, the first plugging groove is used for being in plugging fit with the first plugging portion 11, and the second plugging groove is used for being in plugging fit with the second plugging portion 12.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.

Claims

1. A wire end connector, comprising:

2. The line end connector of claim 1 wherein said first electrical connection is a power connection and said second electrical connection is a sideband signal connection.

3. The line end connector of claim 2 wherein said third electrical connection includes at least one of a sideband signal connection and a differential signal connection.

4. The line end connector of claim 3, wherein a distance of a vertical center line of the pull strap from an end face of the first insulator proximate the first electrical connection portion is less than a distance of a vertical center line of the pull strap from an end face of the first insulator proximate the third electrical connection portion.

5. The line end connector of claim 1, wherein at least a front side of a bottom of the first insulator is provided with the insertion portion, the lock catch is provided on the insertion portion located at the front side of the bottom of the first insulator, and the lock catch is provided with a lock protrusion.

6. The line end connector of claim 5, wherein said lock catch comprises a lock plate bent into a U-shape, one face of said lock plate is engaged in a lock groove on the surface of said plug portion, the other face of said lock plate is a free end and is exposed, two of said lock protrusions are provided on the outer side of said other face of said lock plate, and said pull strap is connected to the upper end of said other face of said lock plate.

7. The line end connector of claim 6, wherein an upper end of the other face of the lock plate is provided with a through groove, and a length of the through groove is greater than a width of the pull tape so that the pull tape can move along the through groove.

8. The line end connector of claim 7, wherein a guide hole is provided on the top surface of the first insulator, the guide hole extending from one end of the first insulator toward the front side of the first insulator and forming an opening in the front side of the first insulator.

9. The line end connector of claim 1, wherein the mating portions include at least one first mating portion and at least one second mating portion, the first mating portion being located on a side of the first electrical connection portion and the second electrical connection portion, each of the second mating portions being located on a side of one of the third electrical connection portions, a first locating portion being provided between the first mating portion and the second mating portion adjacent to the first mating portion.

10. The line end connector of claim 9, further comprising a printed circuit board, wherein a lower portion of the printed circuit board extends downward to form a first board portion and at least two second board portions, a first gap is provided between the first board portion and the second board portion, the first electrical connection portion and the second electrical connection portion are disposed on the first board portion at intervals, each third electrical connection portion is disposed on one second board portion, at least two third electrical connection portions are disposed at intervals, a second gap is provided between adjacent second board portions, a third gap is provided between adjacent second board portions in a longitudinal direction of the first insulator, and a fourth gap is provided between the first positioning portion and the first board portion and between the first positioning portion and the second board portion, respectively.

11. The line end connector of claim 9, wherein the first insertion portion is plate-shaped, the first positioning portion is columnar, a width of the first insertion portion in a length direction of the first insulator is not more than 8.23mm, and a width of the first positioning portion in the length direction of the first insulator is not more than 4.27mm.

12. The line-end connector according to claim 1, wherein the bottoms of both end surfaces in the longitudinal direction of the first insulator are provided with second positioning portions extending downward, the second positioning portions being plate-shaped, and a fifth gap being provided between the second positioning portions and the insertion portion.

13. A connector assembly comprising a board end connector and a wire end connector according to any one of claims 1-12.

14. The connector assembly of claim 13, wherein the board-end connector comprises: