Wire end connector and connector assembly

Abstract

The utility model provides a wire end connector and a connector assembly, and the wire end connector comprises a main body which is provided with a containing groove and an avoiding hole communicated with the containing groove; the circuit board is arranged in the accommodating groove and penetrates through the avoiding hole; the injection molding part is arranged in the accommodating groove so as to package the circuit board in the accommodating groove; the limiting part is mounted on the main body and is used for limiting the circuit board and the injection molding part; a positioning groove and a first buckling part are formed at the two ends of the limiting piece respectively, and a positioning column matched with the positioning groove and a second buckling part matched with the first buckling part are formed on the main body. According to the wire end connector provided by the invention, the positioning groove is matched with the positioning column, and the first buckling part is matched with the second buckling part, so that the limiting piece is accurately and stably mounted on the main body, and the limiting piece is tightly abutted against the main body; therefore, raw materials are prevented from flowing out from a gap between the limiting piece and the main body when the injection molding piece is formed in the containing groove through injection molding, and burrs are avoided.

Description

Technical Field

[0001] The present application relates to the technical field of connectors, and in particular to a line end connector and a connector assembly. Background Art

[0002] As the requirements for bandwidth and network speed continue to increase, traditional PCB interconnection is increasingly unable to meet performance and cost requirements. Traditional printed circuit board (PCB) interconnection is gradually evolving towards high-speed cable connections. Line-end connectors are mainly used for signal transmission between various digital program-controlled switches, internal connections of optoelectronic transmission equipment and distribution frames in transmission equipment bureaus, and are used to transmit data, audio, video and other communication equipment. They are now expanding to various fields at a rapid pace.

[0003] In the prior art, the line end connector includes a main body, a circuit board, an injection molded part, and a stopper. The circuit board and the injection molded part are respectively arranged in the main body, and the stopper is installed on the main body and used to limit the circuit board and the injection molded part. During the production process, the stopper is often not positioned accurately when it is installed on the main body, resulting in a large gap between the main body and the stopper. When the injection molded part is formed by injection molding into the main body, the raw material will overflow from the gap between the main body and the stopper, resulting in burrs. Utility Model Content

[0004] The present application provides a wire end connector to solve the technical problem that when a limiting member is installed on a main body, the positioning is often inaccurate, so that the injection molding material overflows from the gap between the main body and the limiting member, thereby causing burrs.

[0005] In order to solve the above technical problems, the application provides a wire-end connector, which includes: a main body, formed with a receiving groove and an avoidance hole connected to the receiving groove; a circuit board, arranged in the receiving groove and passing through the avoidance hole; an injection molded part, arranged in the receiving groove to encapsulate the circuit board in the receiving groove; a limiting part, installed on the main body and used to limit the circuit board and the injection molded part; wherein, a positioning groove and a first snap portion are respectively formed at both ends of the limiting part, and the main body is formed with a positioning column cooperating with the positioning groove and a second snap portion cooperating with the first snap portion.

[0006] In one embodiment, the main body is further formed with a first guide groove, the first guide groove is used to guide the first buckle portion, and the second buckle portion is arranged in the first guide groove.

[0007] In one embodiment, the first buckle portion is formed with a first guide surface, and the second buckle portion is formed with a second guide surface matching the first guide surface.

[0008] In one embodiment, the main body is further formed with a groove, the limiting member is formed with a protrusion that matches the groove, and the protrusion is arranged in the groove, so that the main body and the limiting member are in sealing contact.

[0009] In one embodiment, the line end connector further includes an elastic lock, and the main body further has an installation groove, and the elastic lock is installed in the installation groove.

[0010] In one embodiment, the wire end connector also includes a drawstring, the elastic lock is provided with a first drawstring mounting hole, the limiting member is provided with a second drawstring mounting hole, and the drawstring is sequentially passed through the first drawstring mounting hole and the second drawstring mounting hole.

[0011] In one embodiment, the elastic lock buckle is provided with a first curling structure at the outer edge of the first drawstring mounting hole, and the drawstring is smoothly abutted against the first curling structure.

[0012] In one embodiment, the upper cover is provided with a second curling structure at the outer edge of the second drawstring mounting hole, and the drawstring is smoothly abutted against the second curling structure.

[0013] In one embodiment, a guide surface is provided on the top of the elastic lock buckle, and the guide surface is in smooth contact with the drawstring.

[0014] The application also provides a connector assembly, including a board-end connector and the line-end connector as described above, wherein the board-end connector and the line-end connector are detachably connected.

[0015] The beneficial effect of the present application is that the wire end connector provided by the present application cooperates with the positioning groove and the positioning column and with the first snap-fit ​​portion and the second snap-fit ​​portion, so that the limiting member is tightly abutted against the main body to prevent the raw material from flowing out from the gap between the limiting member and the main body when the injection molded part is formed by injection molding into the accommodating groove, thereby preventing burrs from appearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the implementation modes of the present application, the drawings required for use in the description of the implementation modes will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a line end connector in one embodiment of the present application;

[0018] Figure 2This is a schematic diagram of the exploded structure of the line end connector in one embodiment of the present application;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of a position limiting member in one embodiment of the present application;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the elastic lock in one embodiment of the present application. DETAILED DESCRIPTION

[0021] The present application is further described in detail below in conjunction with the accompanying drawings and implementation methods. It is particularly noted that the following implementation methods are only used to illustrate the present application, but do not limit the scope of the present application. Similarly, the following implementation methods are only some implementation methods of the present application rather than all implementation methods. All other implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0022] The terms "first", "second" and "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second" and "third" can explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, and the mode is such as two, three, etc., unless otherwise clearly defined and optional. All directional indications (such as up, down, left, right, front, back...) in the implementation mode of this application are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. The mode, such as a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0023] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] See also Figure 1 and Figure 2The present application provides a wire end connector 10, which includes a main body 100, a circuit board 200, an injection molded part 300, and a stopper 400. The main body 100 is formed with a receiving groove 110 and an avoidance hole 120 connected to the receiving groove 110; the circuit board 200 is arranged in the receiving groove 110 and penetrates the avoidance hole 120; the injection molded part 300 is arranged in the receiving groove 110 to encapsulate the circuit board 200 in the receiving groove 110; the stopper 400 is installed on the main body 100 and is used to limit the circuit board 200 and the injection molded part 300, so as to limit the circuit board 200 and the injection molded part 300 in the receiving groove 110; wherein, the two ends of the stopper 400 are respectively formed with a positioning groove 410 and a first buckle part 420, and the main body 100 is formed with a positioning column 130 matched with the positioning groove 410 and a second buckle part 140 matched with the first buckle part 420. Compared with the prior art, the wire end connector 10 provided in the present application cooperates with the positioning column 130 through the positioning groove 410 and cooperates with the second snap-fit ​​portion 420 and 140, so that the limit member 400 is accurately and stably installed on the main body 100, so that the limit member 400 is tightly abutted against the main body 100 to prevent the raw material from flowing out from the gap between the limit member 400 and the main body 100 when the injection molding is formed into the accommodating groove 110, so that burrs will not appear.

[0025] The assembly process of the wire end connector 10 is as follows: first, the circuit board 200 is set in the accommodating groove 110 and penetrated into the avoidance hole 120, and then the positioning groove 410 is matched with the positioning column 130 and the first snap portion 420 is matched with the second snap portion 140, so that the limit member 400 is accurately and stably installed on the main body 100 to limit the circuit board 200, and finally, injection molding is performed into the accommodating groove 110 through the injection hole to form the injection molded part 300, so that the injection molded part 300 encapsulates the circuit board 200 in the accommodating groove 110.

[0026] Optional, such as Figure 2 As shown, the main body 100 includes a bottom plate 150 and four side plates 160 connected to the bottom plate 150 and connected end to end, a receiving groove 110 is defined between the bottom plate 150 and the four side plates 160, and the bottom plate 150 is formed with an avoidance hole 120 connected to the receiving groove 110. Two opposite side plates 160 of the four side plates 160 are respectively formed with a positioning column 130 matched with the positioning groove 410 and a second buckle portion 140 matched with the first buckle portion 420.

[0027] Optionally, the two opposite side plates 160 are further respectively formed with a first guide groove 170 , the first guide groove 170 is used to guide the insertion of the first buckle portion, and the second buckle portion 140 is disposed in the first guide groove 170 .

[0028] Optionally, two opposite side plates 160 are respectively formed with second guide grooves 180 , and the second guide grooves 180 are used to guide the insertion of the circuit board 200 .

[0029] Optional, such as Figure 3 As shown, the limiting member 400 includes two limiting portions 450 relatively spaced apart and a connecting portion 460 connecting the two limiting portions 450, and a positioning groove 410 and a first snap portion 420 are formed at one end of each limiting portion 450 away from the connecting portion 460, and each limiting portion 450 is pressed on the circuit board 200 and the injection molded part 300 respectively to limit the circuit board 200 and the injection molded part 300 within the accommodating groove 110.

[0030] Optionally, the first snap-fit ​​portion 420 is formed with a first guide surface 421, and the second snap-fit ​​portion 140 is formed with a second guide surface 141 that cooperates with the first guide surface 421, so that when the limit member 400 is installed on the main body 100, the first snap-fit ​​portion 420 and the second snap-fit ​​portion 140 are more easily snapped together.

[0031] Optionally, a groove 161 is formed on the contact surface between the side panel 160 and the limit member 400, and a protrusion 480 that cooperates with the groove 161 is formed on the contact surface between the limit member 400 and the side panel 160. The protrusion 480 is arranged in the groove 161, so that the main body 100 and the limit member 400 are sealed and abutted, so as to further prevent the raw material from flowing out from the gap between the limit member 400 and the main body 100 when the injection molding is formed into the accommodating groove 110.

[0032] It should be noted that, in other embodiments, the groove 161 may also be provided on the limiting member 400 , while the protrusion 480 is provided on the side plate 160 .

[0033] Optionally, the wire end connector 10 further includes an elastic lock 500, the side panel 160 is provided with an installation slot 162, the elastic lock 500 is provided with a plurality of hooks 510 and is installed in the installation slot 162, so that the wire end connector 10 can be detachably connected to the board end connector.

[0034] In one embodiment, the elastic lock 500 is a press-type elastic lock, that is, the user needs to press it to cause the elastic lock 500 to undergo elastic deformation before the line-end connector 10 can be removed from the board-end connector.

[0035] It should be noted that, in other embodiments, the elastic lock 500 can also be a drawstring type elastic lock 500, that is, the line end connector 10 also includes a drawstring 600, the elastic lock 500 has a first drawstring mounting hole 520, the connecting portion 460 has a second drawstring mounting hole 461, and the drawstring 600 is sequentially passed through the first drawstring mounting hole 520 and the second drawstring mounting hole 461, so that when the drawstring 600 is pulled, the elastic lock 500 can be elastically deformed, thereby removing the line end connector 10 from the board end connector.

[0036] Optional, such as Figure 4 As shown, the elastic lock 500 includes a lock portion 530 and an unlocking portion 540. The lock portion 530 is clamped in the mounting groove 162, and the lock portion 530 is provided with a plurality of hooks 510, and the plurality of hooks 510 are used to clamp with the board-end connector. The unlocking portion 540 is connected to the lock portion 530, and the unlocking portion 540 is provided with a first drawstring mounting hole 520, and the drawstring 600 is passed through the first drawstring mounting hole 520, so that when the drawstring 600 is pulled, the unlocking portion 540 and the lock portion 530 are pulled, so that the hook 510 on the lock portion 530 is separated from the board-end connector.

[0037] Optionally, the locking portion 530 is U-shaped, one side of the locking portion 530 is locked in the installation groove 162, and the other side of the locking portion 530 is connected to the unlocking portion 540 and is provided with the above-mentioned multiple hooks 510.

[0038] Optionally, the unlocking portion 540 includes a connecting piece 541 and an unlocking piece 542 , the connecting piece 541 is bent and connected to the locking portion 530 and the unlocking piece 542 , respectively, and the unlocking piece 542 is provided with the first drawstring mounting hole 520 mentioned above.

[0039] Furthermore, the unlocking piece 542 is provided with a first curling structure 550 on the outer edge of the first drawstring mounting hole 520. After the drawstring 600 is passed through the first drawstring mounting hole 520, it is smoothly abutted against the first curling structure 550. Therefore, in the process of pulling the drawstring 600, the first curling structure 550 will not cause damage to the drawstring 600, thereby improving the service life of the drawstring, thereby indirectly improving the service life of the wire end connector 10.

[0040] exist Figure 4 In the embodiment, the first curling structure 550 is in an oblique U-shape, and the bottom end of the oblique U-shape is in smooth contact with the drawstring 600 to prevent the drawstring 600 from being scratched during the process of pulling the drawstring 600 .

[0041] Furthermore, the unlocking piece 542 is further provided with a guide surface 560 on a side away from the connecting piece 541 , and the guide surface 560 is in smooth contact with the drawstring 600 , thereby further protecting the drawstring 600 and preventing the drawstring 600 from being scratched during the process of pulling the drawstring 600 .

[0042] Furthermore, the connecting portion 460 is provided with a second curling structure 462 at the outer edge of the second drawstring mounting hole 461 , and the drawstring 600 is smoothly abutted against the second curling structure 462 , thereby further protecting the drawstring 600 and preventing the drawstring 600 from being scratched during the process of pulling the drawstring 600 .

[0043] The present application also provides a connector assembly, which includes a board-end connector and the wire-end connector 10 as described above, wherein the board-end connector and the wire-end connector 10 are detachably connected, for example, the board-end connector and the wire-end connector 10 are snap-fitted.

[0044] Compared with the prior art, the wire end connector 10 provided in the present application cooperates with the positioning column 130 through the positioning groove 410 and cooperates with the second snap-fit ​​portion 420 and 140, so that the limit member 400 is accurately and stably installed on the main body 100, so that the limit member 400 is tightly abutted against the main body 100 to prevent the raw material from flowing out from the gap between the limit member 400 and the main body 100 when the injection molding is formed into the accommodating groove 110, so that burrs will not appear.

[0045] The above description is only part of the implementation methods of the present application, and does not limit the protection scope of the present application. Any equivalent device or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A line end connector, characterized in that: include: A main body, formed with a receiving groove and a avoiding hole communicated with the receiving groove; A circuit board is disposed in the accommodating groove and passes through the avoidance hole; An injection molded part, disposed in the receiving groove, so as to encapsulate the circuit board in the receiving groove; A limiting member, installed on the main body and used to limit the circuit board and the injection molded part; Wherein, a positioning groove and a first buckle portion are respectively formed at two ends of the limiting member, and a positioning column matched with the positioning groove and a second buckle portion matched with the first buckle portion are formed on the main body.

2. The wire end connector according to claim 1, characterized in that: The main body is further formed with a first guide groove, the first guide groove is used to guide the first buckle portion, and the second buckle portion is arranged in the first guide groove.

3. The wire end connector according to claim 1, characterized in that: The first buckle portion is formed with a first guide surface, and the second buckle portion is formed with a second guide surface matching the first guide surface.

4. The wire end connector according to claim 1, characterized in that: The main body is further formed with a groove, the limiting member is formed with a protrusion matched with the groove, and the protrusion is arranged in the groove, so that the main body and the limiting member are in sealing contact.

5. The wire end connector according to claim 1, characterized in that: The line end connector also includes an elastic lock buckle, and the main body is also provided with an installation groove, and the elastic lock buckle is installed in the installation groove.

6. The wire end connector according to claim 5, characterized in that: The wire end connector also includes a drawstring, the elastic lock is provided with a first drawstring mounting hole, the limiting member is provided with a second drawstring mounting hole, and the drawstring is sequentially passed through the first drawstring mounting hole and the second drawstring mounting hole.

7. The wire end connector according to claim 6, characterized in that: The elastic lock buckle is provided with a first curling structure at the outer edge of the first drawstring mounting hole, and the drawstring is smoothly abutted against the first curling structure.

8. The wire end connector according to claim 7, characterized in that: The limiting member is provided with a second curling structure at the outer edge of the second drawstring mounting hole, and the drawstring is smoothly abutted against the second curling structure.

9. The wire end connector according to claim 8, characterized in that: A guide surface is provided on the top of the elastic lock buckle, and the guide surface is in smooth contact with the drawstring.

10. A connector assembly, characterized in that: It comprises a board-end connector and a line-end connector as claimed in any one of claims 1 to 9, wherein the board-end connector and the line-end connector are detachably connected.

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