Plug and connector

Abstract

The utility model discloses a plug and a connector, which not only have a waterproof function, but also are simple in structure. The plug comprises: a contact assembly, which is provided with a first locking groove; the plug shell is provided with a through hole used for fixing the contact assembly, the through hole is internally provided with a first elastic locking piece, one end of the first elastic locking piece faces the plug-in end of the plug shell, and the first elastic locking piece can be clamped into the first locking groove; the plug-in end cover comprises a fixing part, a first locking part and a first sealing ring; the fixing part is used for being fixed at the plug-in end of the plug shell; the first locking part is arranged on the fixing part and is used for being inserted into a gap between the first elastic locking piece and the inner wall of the contact assembly; the first sealing ring is arranged at the joint of the fixing part and the plug-in end of the plug shell; and the wiring end cover comprises an end cover fixed at the wiring end of the plug shell and a second sealing ring arranged in the end cover.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a plug and a connector. Background Art

[0002] The connector includes a plug and a socket, and the plug includes a housing and a contact assembly fixed in the housing. In order to improve the locking stability of the contact assembly, a secondary locking structure is generally provided in the housing to achieve the locking of the contact assembly.

[0003] The utility model patent with application number 202122054050.6 discloses "a connector with a secondary locking mechanism", which includes a shell, a mounting seat, a jack terminal and a locking block, the mounting seat is connected to the inside of the shell, and a snap locking structure is provided between the mounting seat and the jack terminal, which can lock the jack terminal inserted into the mounting seat together, the snap locking structure includes an elastic snap arranged inside the mounting seat and a snap groove opened on the jack terminal, and the mounting seat is provided with an active space for the elastic snap to produce elastic deformation, so that when the jack terminal is inserted into the mounting seat, the elastic snap can form a snap lock with the snap groove, and the locking block is configured to be able to adapt and embed into the active space of the elastic snap to limit the elastic deformation of the elastic snap, thereby performing secondary reinforcement and locking of the snap locking structure.

[0004] However, the above structure not only does not have a waterproof function, but also requires a separate locking block to achieve locking, resulting in a complex structure and cumbersome installation steps. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a plug and a connector which not only have a waterproof function but also have a simple structure.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] The first aspect of the utility model provides a plug, comprising:

[0008] A contact assembly, wherein a first locking groove is provided on the contact assembly;

[0009] A plug housing, wherein the plug housing is provided with a through hole for fixing the contact assembly, and a first elastic locking member having one end facing the plug end of the plug housing and capable of being inserted into the first locking groove is provided in the through hole;

[0010] The plug-end end cover comprises a fixing portion for fixing to the plug-end of the plug housing, a first locking portion arranged on the fixing portion for inserting into the gap between the first elastic locking member and the inner wall of the contact assembly, and a first sealing ring arranged at the connection between the fixing portion and the plug-end of the plug housing;

[0011] The terminal cover comprises an end cover fixed to the terminal of the plug housing and a second sealing ring disposed in the end cover.

[0012] A second aspect of the utility model provides a connector, comprising a plug as described in the first aspect and a socket matching the plug.

[0013] The utility model has the following advantages:

[0014] 1. In this solution, a first locking portion is provided on the plug end cover to realize secondary locking of the contact assembly, which does not require a separate locking block, simplifies the structure, simplifies the installation steps, and is easy to assemble.

[0015] 2. The utility model provides sealing rings on the end covers at both ends of the plug housing, thereby improving the waterproof performance of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 1 It is a side view of the connector of the utility model;

[0018] Figure 2 for Figure 1 BB view;

[0019] Figure 3 A bottom view of the connector of the utility model;

[0020] Figure 4 for Figure 3 AA view;

[0021] Figure 5 is a schematic diagram of the structure of the contact component;

[0022] Figure 6 It is a structural schematic diagram of the socket and connector locking structure;

[0023] Figure 7 It is a three-dimensional diagram of the connector of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides a plug and a connector, wherein the connector comprises the plug and a socket matched with the plug.

[0031] Specifically, Figures 1 to 5 As shown, the plug comprises a contact assembly 1, a plug housing 2, a mating end cover and a wiring end cover.

[0032] The contact assembly is a prior art, generally including a contact member and an insulating member fixed outside the contact member. In order to improve the anti-interference capability of the connector, a shielding member may be fixed outside the insulating member. The contact assembly is provided with a first locking groove 11. Specifically, the first locking groove 11 is provided on the outermost component of the contact assembly, such as an insulating member or a shielding member. Figure 3 As shown, it is an example of setting a shielding member on the outermost layer of the re-contact component. One end of the contact component is the plug-in end, that is, the end connected to the socket, and the other end is the wiring terminal. In order to increase the design area of ​​the shielding spring on the shielding member, increase the area in the width direction, and improve the contact reliability of the connector in a vibration environment, the plug-in end of the contact component 1 is square and the wiring terminal is cylindrical. Of course, the plug-in end of the contact component 1 can also be round.

[0033] The plug housing 2 is provided with through holes for fixing the contact assembly 1, and the number of through holes is determined according to the number of contact assemblies. A first elastic locking member 21 is provided in the through hole, with one end facing the plug end of the plug housing 2 and being able to be inserted into the first locking groove 11, so as to achieve one-time locking of the contact assembly.

[0034] The plug-in end cover comprises a fixing portion 31 for fixing to the plug-in end of the plug housing 2, a first locking portion 32 provided on the fixing portion for inserting into the gap between the first elastic locking member 21 and the inner wall of the contact assembly 1, and a first sealing ring 33 provided at the connection between the fixing portion 31 and the plug-in end of the plug housing 2. The first locking portion is inserted into the gap between the first elastic locking member 21 and the inner wall of the contact assembly 1 to prevent it from deforming during the locking process, thereby achieving secondary locking.

[0035] The terminal cover comprises an end cover 41 fixed to the terminal of the plug housing 2 and a second sealing ring 42 disposed inside the end cover.

[0036] With the above structure, both ends of the plug are provided with sealing rings, which effectively improves the waterproof performance of the plug. During installation, the contact assembly is inserted into the through hole, and the first elastic locking member 21 is inserted into the first locking groove 11 to achieve primary locking, and then the plug-in end cover is installed, and the first locking portion is inserted into the gap between the first elastic locking member 21 and the inner wall of the contact assembly 1 to achieve secondary locking; finally, the terminal end cover is installed. The installation is simple, and there is no need to install a separate locking block to achieve secondary locking, which simplifies the installation steps.

[0037] In order to improve the stability of the connector connection, that is, the stability of the plug and socket connection, the plug also includes a connector locking structure for locking the plug housing and the socket, such as Figure 6 , 7 As shown, the connector locking structure includes an operating portion 51, a limiting guide portion 52 arranged on the operating portion 51, a second elastic locking member 53 arranged on both sides of the operating portion 51, and a third elastic locking member 54 arranged on the operating portion 51; a fixing hole on the plug housing 2, and both sides of the fixing hole are sequentially provided with a pre-set hole 22 and a locking hole 23 for clamping the second elastic locking member 53 along the wiring terminal to the plug end.

[0038] Correspondingly, a second locking groove 62 is provided on the socket shell 61 of the socket, and the second locking groove 62 corresponds to the position of the third elastic locking member 54, so that when the third elastic locking member 54 is inserted into the second locking groove 62, the second elastic locking member 53 is inserted into the locking hole 23.

[0039] In order to further improve stability, there are two third elastic locking members 54 .

[0040] There are many ways to implement the first elastic locking member 21, the second elastic locking member 53, and the third elastic locking member 54, for example, a spring sheet structure with a bent portion, or Figure 2 As shown, a structure in which a protrusion is provided on the connecting piece is adopted.

[0041] With the above structure, before plugging in, the second elastic locking piece 53 is placed in the preset hole 22. After the plug and the socket are docked, the operating part 51 is pushed to move toward one end of the socket. Under the action of the force, the second elastic locking piece 53 is deformed and disengaged from the preset hole 22 and moves in the direction of the locking hole 23 and then is stuck in the locking hole 23. At this time, the third elastic locking piece 54 is stuck in the second locking groove 62.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plug, characterized in that: include: A contact assembly (1), wherein a first locking groove (11) is provided on the contact assembly; A plug housing (2), the plug housing (2) being provided with a through hole for fixing the contact assembly (1), the through hole being provided with a first elastic locking member (21) having one end facing the plug end of the plug housing (2) and being capable of being inserted into the first locking groove (11); A plug-in end cover, the plug-in end cover comprising a fixing portion (31) for fixing to the plug-in end of the plug housing (2), a first locking portion (32) arranged on the fixing portion for inserting into a gap between the first elastic locking member (21) and an inner wall of the contact assembly (1), and a first sealing ring (33) arranged at a connection between the fixing portion (31) and the plug-in end of the plug housing (2); A terminal cover comprises an end cover (41) fixed to the terminal of the plug housing (2) and a second sealing ring (42) disposed inside the end cover.

2. A plug according to claim 1, characterized in that: The plug-in end of the contact component (1) is square, and the wiring end is cylindrical.

3. A plug according to claim 1, characterized in that: The outermost layer of the contact component (1) is a shielding component.

4. A plug according to claim 1, characterized in that: Also included is a connector locking structure for achieving locking of the plug housing and the socket, the connector locking structure comprising an operating portion (51), a limiting guide portion (52) arranged on the operating portion (51), a second elastic locking member (53) arranged on both sides of the operating portion (51), and a third elastic locking member (54) arranged on the operating portion (51); The plug housing (2) has a fixing hole, and both sides of the fixing hole are provided with a pre-set hole (22) and a locking hole (23) for clamping the second elastic locking member (53) in sequence from the wiring end to the plug end.

5. A plug according to claim 4, characterized in that: There are two third elastic locking members (54).

6. A connector, characterized in that: It comprises a plug as claimed in any one of claims 1 to 5 and a socket matching the plug.

7. A connector according to claim 6, characterized in that: The socket comprises a socket shell (61), and a second locking groove (62) is provided at a position of the socket shell (61) corresponding to the third elastic locking member (54), so that when the third elastic locking member (54) is inserted into the second locking groove (62), the second elastic locking member (53) is inserted into the locking hole (23).

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