Connector housing and connector

Abstract

The connector housing comprises an insertion core housing and a locking member, the insertion core housing is internally provided with a group of axially extending accommodation cavities, the group of accommodation cavities are distributed line by line, and the tail ends of the group of accommodation cavities are flush with each other and are internally contracted to the tail end of the insertion core housing, so that the tail end of the insertion core housing forms a hollow slot. A first inserting end and a second inserting end are symmetrically formed on the two sides of the groove wall of the inserting groove, so that the locking piece can be inserted into the inserting groove from the first inserting end or the second inserting end in the direction perpendicular to the extending direction of the containing cavity, and the locking piece is provided with a set of limiting arms which are arranged in parallel at intervals. The distance between every two limiting arms in one set is smaller than the diameter of the tail ends of the containing cavities, so that the tail ends of the containing cavities in each row are jointly limited by the two limiting arms. According to the scheme, the plug-in locking piece is adopted to realize stable connection with the insertion core shell, so that the tail end of the accommodating cavity is effectively locked while the disassembly and assembly efficiency is improved.

Description

Technical Field

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

[0002] The connector is an important component of an electric vehicle, which generally includes a housing and a plurality of connection terminals and a signal terminal assembly built into the housing for signal transmission and current transmission, as shown in the charging connector disclosed in publication number CN 115693270 A.

[0003] The shell of a conventional connector is composed of a cylindrical shell and an end cap at the rear end. In fact, the end cap is usually connected and fastened to the shell with screws. This makes it very inconvenient to disassemble the end cap as a retaining member at the rear end of the shell. When it is necessary to install or repair and replace the terminal components inside the shell, it is necessary to disassemble the end cap with screws, which requires the cooperation of disassembly tools such as screwdrivers, and the disassembled screws are small and easy to lose, making assembly difficult; on the other hand, in order to install the screws, corresponding screw holes are usually set between the edges of the shell and the end cap, which not only makes the outer diameter of the shell larger, but also makes it easy to form a gap or hollow area between the inner edge of the shell and its internal components, which makes it easy for the shell to break at the screw connection after being squeezed by external force, causing the end cap connection to fail. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a connector and a connector that can be quickly locked.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A connector housing comprises a plug-in core housing and a locking member detachably connected thereto, wherein a group of axially extending accommodating cavities are arranged in the plug-in core housing, wherein the accommodating cavities in a group are arranged in rows, and the tail ends of a group of the accommodating cavities are flush with and retracted from the tail end of the plug-in core housing, so that a hollow slot is formed at the tail end of the plug-in core housing, and a first plug-in end and a second plug-in end are symmetrically formed on both sides of the slot wall, so that the locking member can be inserted into the slot from the first plug-in end or the second plug-in end in a direction perpendicular to the extension direction of the accommodating cavity, and the locking member has a group of parallel and spaced limiting arms, and the spacing between the limiting arms in a group is smaller than the tail end diameter of the accommodating cavity, so that the tail end of each row of the accommodating cavities is jointly limited by two limiting arms.

[0007] Preferably, the first plug-in end and the second plug-in end have the same structure, and both are recessed on the outer wall of the rear end of the plug housing, and a group of plug holes for the limiting arm are arranged inside the two at intervals.

[0008] Preferably, the locking member also includes a connecting end, a group of end portions of the limiting arms are respectively fixedly connected to the inner end surfaces of the connecting end, the connecting end matches the first plug-in end and the second plug-in end, and the outer end surface of the connecting end matches the outer wall of the plug-in shell, and when the connecting end is embedded in the first plug-in end or the second plug-in end, the outer end surface of the connecting end and the outer wall of the plug-in shell form a continuous smooth surface.

[0009] Preferably, the end face of the extended end of the limit arm matches the outer wall of the plug shell, and when the connecting end is embedded in the first plug-in end, the extended end of the limit arm is embedded in the second plug-in end; when the connecting end is embedded in the second plug-in end, the extended end of the limit arm is embedded in the first plug-in end.

[0010] Preferably, the height of the outer end surfaces of the first plug-in end and the second plug-in end is greater than the height of the plug hole, and the extending end of the limiting arm has a hook portion, and the hook portion is engaged with the side wall of the plug hole.

[0011] Preferably, reinforcing ribs are provided on the outer surface of the limiting arm.

[0012] The connector comprises the connector housing as described above, wherein a terminal assembly is arranged in the accommodating cavity, the locking member is plugged into the plug housing, and the tail end of each row of the accommodating cavities is jointly defined by the two limiting arms to lock the terminal assembly in the accommodating cavity.

[0013] The beneficial effects of the utility model are mainly reflected in:

[0014] 1. An inserted locking member is used to replace the traditional screw-connected end cap, so that the locking member can be stably connected to the plug housing without other connecting elements such as screws, which greatly facilitates the installation and disassembly between the locking member and the plug housing, and improves the efficiency of disassembly and assembly. At the same time, the limiting arm is vertically inserted into the slot, and its insertion direction perpendicular to the accommodating cavity further enhances the effective limitation of the locking member on the rear end of the accommodating cavity, and forms a reliable locking effect on the components inside the accommodating cavity;

[0015] 2. The two sides of the plug housing are respectively formed with a first plug-in end and a second plug-in end that are symmetrical and have the same structure, so that the locking piece can be inserted from any side of the slot without deliberately aligning the direction angle, thereby improving the fault tolerance of the plug-in between the slot and the locking piece, and further facilitating the disassembly and assembly between the locking piece and the plug housing;

[0016] 3. After the locking piece is plugged into the plug housing, the end faces of its connecting end and the extended end of the limiting arm are matched with the outer wall of the plug housing to form a continuous smooth surface, so that the integrity and consistency of the locking piece and the plug housing after plugging are higher, thereby enhancing the strength of the plug housing and the locking piece after being fixed into one, making it difficult for the connection between the two to be broken due to collision caused by external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 : A schematic diagram of an embodiment of the utility model;

[0019] Figure 2 : A cross-sectional view of an embodiment of the utility model;

[0020] Figure 3 : A schematic diagram of the insert housing in the embodiment of the utility model;

[0021] Figure 4 : A schematic diagram of a locking member in an embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0023] In the description of the scheme, it should be noted that the terms "center", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of description and simplified 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 of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. Moreover, in the description of the scheme, with the operator as a reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

[0024] like Figures 1 to 4As shown, the utility model discloses a connector housing, comprising a plug core housing 1 and a locking member 2 detachably connected thereto, wherein a group of axially extending accommodating cavities 101 are arranged in the plug core housing 1, and a group of the accommodating cavities 101 are distributed in rows, and a group of tail ends of the accommodating cavities 101 are flush and retracted inwardly at the tail end of the plug core housing 1, so that a hollow slot 102 is formed at the tail end of the plug core housing 1, and a first plug-in end 103 and a second plug-in end 104 are symmetrically formed on both sides of the slot wall of the slot 102, so that the locking member 2 can be inserted into the slot 102 from the first plug-in end 103 or the second plug-in end 104 and in a direction perpendicular to the extension direction of the accommodating cavity 101, and the locking member 2 has a group of parallel and spaced limiting arms 201, and the spacing between the limiting arms 201 in a group is smaller than the tail end diameter of the accommodating cavity 101, so that the tail end of each row of the accommodating cavities 101 is jointly defined by two limiting arms 201.

[0025] This solution adopts an inserted locking member 2 to replace the traditional threaded end cover, so that the locking member 2 can be stably connected to the plug-in housing 1 without other connecting elements such as screws, which greatly facilitates the installation and disassembly between the locking member 2 and the plug-in housing 1, and improves the efficiency of assembly and disassembly. At the same time, the limiting arm 201 is vertically inserted into the slot 102, and its insertion direction perpendicular to the accommodating chamber 101 further enhances the effective limitation of the locking member 2 on the rear end of the accommodating chamber 101, thereby forming a reliable locking effect on the components inside the accommodating chamber 101.

[0026] The two sides of the plug housing 1 respectively form a symmetrical and structurally identical first plug-in end 103 and a second plug-in end 104, so that the locking member 2 can be inserted from any side of the slot 102 without deliberately aligning the direction angle, thereby improving the fault tolerance of the plug-in between the slot 102 and the locking member 2, and further facilitating the disassembly and assembly between the locking member 2 and the plug housing 1.

[0027] Specific as Figure 2 and Figure 3 As shown, the first plug end 103 and the second plug end 104 have the same structure, and both are recessed on the outer wall of the rear end of the plug housing 1, and a group of plug holes 105 for the limiting arm 201 are arranged inside the first plug end 103 and the second plug end 104. The recessed structure of the first plug end 103 and the second plug end 104 allows the two to form a groove in which the locking member 2 can be embedded, thereby enhancing the connection stability and reliability between the first plug end 103 and the locking member 2.

[0028] The locking member 2 also includes a connecting end 202, and a group of ends of the limiting arms 201 are respectively fixed to the inner end faces of the connecting end 202, the connecting end 202 matches the first plug-in end 103 and the second plug-in end 104, and the outer end face of the connecting end 202 matches the outer wall of the plug-in shell 1. When the connecting end 202 is embedded in the first plug-in end 103 or the second plug-in end 104, the outer end face of the connecting end 202 and the outer wall of the plug-in shell 1 form a continuous smooth surface.

[0029] Furthermore, the limiting arms 201 are spaced and arranged in parallel, so that one limiting arm 201 can pass through the plug housing 1 to simultaneously meet the limiting requirements of the ends of all the accommodating cavities 101 arranged in a row. The end face of the extended end of the limiting arm 201 matches the outer wall of the plug housing 1, and when the connecting end 202 is embedded in the first plug end 103, the extended end of the limiting arm 201 is embedded in the second plug end 104; when the connecting end 202 is embedded in the second plug end 104, the extended end of the limiting arm 201 is embedded in the first plug end 103.

[0030] Such a structure ensures that after the locking member 2 is plugged into the plug-in housing 1, the two ends of the limiting arm 201 can be supported respectively to enhance its limiting effect on the bottom end of the accommodating cavity 101. At the same time, the end faces of the connecting end 202 and the extending end of the limiting arm 201 form a continuous smooth surface with the outer wall of the plug-in housing 1. In this way, the integrity and consistency of the locking member 2 and the plug-in housing 1 after being plugged in can be higher, thereby enhancing the strength of the plug-in housing 1 and the locking member 2 after being fixed into one, so that the connection between the two is not easily broken due to collision caused by external force.

[0031] Preferably, the height of the outer end surface of the first plug end 103 and the second plug end 104 is greater than the height of the plug hole 105, and the extended end of the limit arm 201 has a hook portion 203, and the hook portion 203 is engaged with the side wall of the plug hole 105. Such a structure forms a step surface between the outer end surface of the first plug end 103 and the second plug end 104 and the plug hole 105, so as to increase the contact area between the first plug end 103, the second plug end 104 and the connecting end 202, so as to improve the stability and strength of the abutment between the two. At the same time, the structure of the hook portion 203 engaging with the plug hole 105 can improve the connection stability between the extended end of the limit arm 201 and the first plug end 103 or the second plug end 104, provide a locking effect on the connection between the locking member 2 and the slot 102, and prevent the locking member 2 from sliding out.

[0032] In the preferred embodiment shown in the figure, the ferrule housing 1 is cylindrical with an arc surface. In other feasible embodiments, the ferrule housing 1 may also be a rectangular parallelepiped with a straight surface or other feasible structures, which are not limited here.

[0033] The specific number of the limiting arms 201 is set according to the number of rows of the accommodating cavities 101, and the width of the limiting arms 201 in the middle can be greater than the limiting arms 201 on both sides, so that the limiting arms 201 in the middle can simultaneously limit the two rows of accommodating cavities 101. As shown in the illustrated embodiment, two rows of accommodating cavities 101 are arranged in the plug housing 1, and three matching limiting arms 201 are arranged on the locking member 2, and the width of the limiting arms 201 in the middle is greater than the limiting arms 201 on both sides, so as to achieve the limiting effect on the bottom ends of the two rows of accommodating cavities 101.

[0034] In order to further enhance the strength of the limiting arm 201 , a reinforcing rib 204 is disposed on the outer surface of the limiting arm 201 .

[0035] In addition, the utility model also discloses a connector, including the connector housing as described above, wherein a terminal assembly 3 is arranged in the accommodating cavity 101, the locking member 2 is plugged into the plug housing 1, and the tail end of each row of the accommodating cavity 101 is defined by two limiting arms 201 to lock the terminal assembly 3 in the accommodating cavity 101. The terminal assembly 3 includes necessary structures such as terminals, connecting wires, etc., which is a prior art and will not be described in detail here. The interval between the two limiting arms 201 is used to provide a connection position for the wire to flow out.

[0036] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0037] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A connector housing, characterized in that: The invention comprises an insert housing (1) and a locking member (2) detachably plugged therewith, wherein a group of axially extending accommodating cavities (101) are arranged in the insert housing (1), wherein the group of accommodating cavities (101) are arranged in rows, and the rear ends of the group of accommodating cavities (101) are flush with and retracted from the rear end of the insert housing (1), so that the rear end of the insert housing (1) forms a hollow slot (102), and the slot wall of the slot (102) is symmetrically formed with a first plug-in end (103) and a second plug-in end (104), The locking member (2) can be inserted into the slot (102) from the first plug-in end (103) or the second plug-in end (104) in a direction perpendicular to the extension direction of the accommodating cavity (101); the locking member (2) has a group of parallel and spaced limiting arms (201), and the spacing between two of the group of limiting arms (201) is smaller than the tail end diameter of the accommodating cavity (101), so that the tail end of each row of the accommodating cavities (101) is jointly defined by the two limiting arms (201).

2. The connector housing according to claim 1, characterized in that: The first plug end (103) and the second plug end (104) have the same structure, and are both recessed on the outer wall of the rear end of the plug housing (1). A group of plug holes (105) for the limiting arm (201) are arranged inside the two at intervals.

3. The connector housing according to claim 2, characterized in that: The locking member (2) further comprises a connecting end (202), a group of ends of the limiting arms (201) are respectively fixedly connected to the inner end surface of the connecting end (202), the connecting end (202) matches the first plug-in end (103) and the second plug-in end (104), and the outer end surface of the connecting end (202) matches the outer wall of the plug-in shell (1); when the connecting end (202) is embedded in the first plug-in end (103) or the second plug-in end (104), the outer end surface of the connecting end (202) and the outer wall of the plug-in shell (1) form a continuous smooth surface.

4. The connector housing according to claim 3, characterized in that: The end surface of the extended end of the limiting arm (201) matches the outer wall of the plug core housing (1); when the connecting end (202) is embedded in the first plug-in end (103), the extended end of the limiting arm (201) is embedded in the second plug-in end (104); when the connecting end (202) is embedded in the second plug-in end (104), the extended end of the limiting arm (201) is embedded in the first plug-in end (103).

5. The connector housing according to claim 4, characterized in that: The height of the outer end surfaces of the first plug end (103) and the second plug end (104) is greater than the height of the plug hole (105), and the extending end of the limiting arm (201) has a hook portion (203), and the hook portion (203) is clamped with the side wall of the plug hole (105).

6. The connector housing according to claim 5, characterized in that: A reinforcing rib (204) is provided on the outer surface of the limiting arm (201).

7. A connector, characterized in that: Comprising a connector housing as claimed in any one of claims 1 to 6, a terminal assembly (3) is arranged in the accommodating cavity (101), the locking member (2) is plugged into the plug housing (1), and the tail end of each row of the accommodating cavities (101) is jointly defined by two limiting arms (201) to lock the terminal assembly (3) in the accommodating cavity (101).

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