Terminal position fuse, connector housing assembly and connector

Abstract

The utility model discloses a terminal position safety member, a connector housing assembly and a connector. The terminal position safety piece is used for preventing the terminal locking elastic arm in the connector shell from being moved from a locking position where the terminal locking elastic arm is jointed with the terminal of the connector to an unlocking position where the terminal locking elastic arm is separated from the terminal of the connector. The terminal position safety piece comprises a plate-shaped main body which is suitable for being inserted into a slot of a connector shell; and an elastic cantilever formed on the plate-shaped main body. And a locking feature suitable for being jointed with the terminal locking elastic arm is formed on the end part of the elastic cantilever so as to lock the plate-shaped main body in the slot. The root portion of the elastic cantilever is suitable for abutting against the end portion of the terminal locking elastic arm so as to prevent the terminal locking elastic arm from being moved to the unlocking position. According to the utility model, the elastic cantilever of the terminal position safety piece is locked to the terminal locking elastic arm of the shell, so that the size of the terminal position safety piece can be reduced, and the structure of the connector becomes more compact and simpler.

Description

Technical Field

[0001] The utility model relates to a terminal position safety piece for preventing a terminal of a connector from being accidentally unlocked, comprising a connector housing component of the terminal position safety piece and a connector comprising the connector housing component. Background Art

[0002] In the prior art, a connector generally includes a housing and a terminal disposed in a socket of the housing. In order to prevent the terminal from being pulled out of the housing, a locking spring is generally formed in the socket of the housing, and the locking spring engages with the terminal to lock the terminal in the socket of the housing. When the terminal needs to be pulled out, the locking spring needs to be pushed to an unlocked position separated from the terminal. In the prior art, in order to prevent the terminal from being accidentally unlocked, a terminal position safety piece needs to be inserted into the housing, and the terminal position safety piece is used to prevent the locking spring piece from being pushed to the unlocked position, thereby preventing the terminal from being accidentally unlocked.

[0003] In the prior art, in order to lock the terminal position securing member at a predetermined installation position, a locking protrusion needs to be formed on the terminal position securing member, and the locking protrusion engages with a slot on the peripheral wall of the housing to lock the terminal position securing member at the predetermined installation position. The terminal position securing member of this structure is relatively large in size and requires a large amount of space, which results in an excessively large size of the connector. Utility Model Content

[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0005] According to one aspect of the utility model, a terminal position safety component is provided. The terminal position safety component is used to prevent the terminal locking spring arm in the connector housing from being moved from a locking position engaged with the terminal of the connector to an unlocking position separated from the terminal of the connector. The terminal position safety component includes: a plate-like body, suitable for being inserted into a slot of the connector housing; and an elastic cantilever formed on the plate-like body. A locking feature suitable for engaging with the terminal locking spring arm is formed on the end of the elastic cantilever to lock the plate-like body in the slot. The root of the elastic cantilever is suitable for abutting against the end of the terminal locking spring arm to prevent the terminal locking spring arm from being moved to the unlocking position.

[0006] According to an exemplary embodiment of the present utility model, a window is formed on the plate-like body, and the elastic cantilever is suspended in the window and extends a predetermined length along the longitudinal direction of the plate-like body.

[0007] According to another exemplary embodiment of the utility model, a plurality of the elastic cantilevers arranged side by side along the transverse direction of the plate-like body are formed on the plate-like body; and a plurality of the windows arranged side by side along the transverse direction of the plate-like body are formed on the plate-like body, and the plurality of elastic cantilevers are suspended in the plurality of windows respectively.

[0008] According to another exemplary embodiment of the present utility model, the plate-like body has a front end and a rear end opposite to each other in the longitudinal direction thereof, and the end of the elastic cantilever is close to the front end of the plate-like body.

[0009] According to another exemplary embodiment of the utility model, the terminal position insurance member further comprises: an end plate connected to the rear end of the plate-shaped body; and a positioning key formed on the end plate. The positioning key is adapted to cooperate with the positioning groove in the connector housing to position the terminal position insurance member at a predetermined installation position.

[0010] According to another exemplary embodiment of the utility model, the terminal position insurance component also includes a handle portion, which is connected to the end plate and extends rearward from the end plate to allow the plate-like body to be inserted into or pulled out of the slot by grasping the handle portion.

[0011] According to another exemplary embodiment of the present utility model, the end of the elastic cantilever of the terminal position assurance member is suitable for abutting against the terminal locking spring arm to increase the elastic holding force of the terminal locking spring arm on the terminal.

[0012] According to another aspect of the utility model, a connector housing assembly is provided. The connector housing assembly includes: a connector housing and the aforementioned terminal position safety member. The connector housing is formed with: a socket for inserting a terminal; a terminal locking spring arm formed in the socket and adapted to move between a locking position engaged with the terminal and an unlocking position separated from the terminal; and a slot connected to the socket. The plate-shaped body of the terminal position safety member is inserted into the slot of the connector housing.

[0013] According to an exemplary embodiment of the utility model, the root of the elastic cantilever of the terminal position safety piece is suitable for abutting against the end of the terminal locking spring arm to prevent the terminal locking spring arm from being moved from the locking position to the unlocking position, thereby preventing the terminal locking spring arm from being accidentally unlocked.

[0014] According to another exemplary embodiment of the utility model, the end of the elastic cantilever of the terminal position safety component is suitable for abutting against the terminal locking spring arm to increase the elastic retaining force of the terminal locking spring arm on the terminal; the end of the elastic cantilever of the terminal position safety component is located at the middle position between the end and the root of the terminal locking spring arm.

[0015] According to another exemplary embodiment of the utility model, a matching locking feature is formed on the terminal locking spring arm, and the matching locking feature engages with the locking feature on the end of the elastic cantilever to lock the terminal position assurance member in a predetermined installation position.

[0016] According to another exemplary embodiment of the present invention, the locking feature is a hook formed on the end of the elastic cantilever, and the matching locking feature is a groove formed on the terminal locking elastic arm.

[0017] According to another exemplary embodiment of the present invention, the locking feature is a slot formed on the end of the elastic cantilever, and the matching locking feature is a hook formed on the terminal locking spring arm.

[0018] According to another exemplary embodiment of the utility model, the connector housing has a plurality of the jacks and a plurality of the terminal locking spring arms respectively located in the plurality of the jacks, and the plurality of terminal locking spring arms are arranged in two opposite rows; the slot is located between the two rows of terminal locking spring arms and is connected to the plurality of jacks, so that the plate-like body of the terminal position safety component inserted into the slot is located between the two rows of terminal locking spring arms.

[0019] According to another exemplary embodiment of the utility model, a row of elastic cantilevers is formed on the plate-like body of the terminal position safety component, and each elastic cantilever in the row of elastic cantilevers is inserted between corresponding two terminal locking elastic arms in the two rows of terminal locking elastic arms; the root of each elastic cantilever in the row of elastic cantilevers is suitable for being clamped between the ends of corresponding two terminal locking elastic arms in the two rows of terminal locking elastic arms to prevent the two rows of terminal locking elastic arms from being moved to the unlocked position.

[0020] According to another exemplary embodiment of the utility model, a locking structure is formed on the side of the terminal locking spring arm facing away from the elastic cantilever, and the locking structure is suitable for engaging with a matching locking structure on the terminal to lock the terminal in the socket.

[0021] According to another aspect of the utility model, a connector is provided. The connector comprises: the aforementioned connector housing assembly; and a terminal inserted into a socket of the connector housing. A matching locking structure is formed on the terminal, and a locking structure on the terminal locking spring arm engages with the matching locking structure on the terminal to lock the terminal in the socket.

[0022] According to an exemplary embodiment of the present utility model, the locking structure is a locking protrusion formed on the terminal locking elastic arm, and the matching locking structure is a locking groove formed on the terminal.

[0023] In the aforementioned various exemplary embodiments according to the present invention, the elastic cantilever of the terminal position safety member is locked to the terminal locking spring arm of the housing, thereby reducing the volume of the terminal position safety member and making the structure of the connector more compact and simpler.

[0024] In addition, in some of the aforementioned exemplary embodiments according to the utility model, the elastic cantilever of the terminal position insurance piece can provide auxiliary support for the terminal locking spring arm of the housing, thereby increasing the elastic retaining force of the terminal locking spring arm on the terminal.

[0025] In addition, in some of the aforementioned exemplary embodiments of the utility model, the elastic cantilever of the terminal position safety component is suspended in the window of the plate-like body. Therefore, when shipped in bulk, the elastic cantilevers of the terminal position safety components packaged together will not be entangled with each other, thereby reducing transportation damage.

[0026] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model;

[0028] Figure 2 A longitudinal cross-sectional view showing a connector housing assembly according to an exemplary embodiment of the present utility model;

[0029] Figure 3 An exploded schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present invention when viewed from the rear side;

[0030] Figure 4 An exploded schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present utility model when viewed from the front side;

[0031] Figure 5A horizontal cross-sectional view showing a connector housing according to an exemplary embodiment of the present utility model;

[0032] Figure 6 A three-dimensional schematic diagram showing a terminal position insurance member according to an exemplary embodiment of the utility model;

[0033] Figure 7 A longitudinal cross-sectional view showing a terminal position securing member according to an exemplary embodiment of the present utility model when viewed from the rear side;

[0034] Figure 8 A longitudinal sectional view when viewed from the front side is shown of a terminal position assurance member according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION

[0035] The technical solution of the utility model is further specifically described below through examples and in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.

[0036] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0037] According to an overall technical concept of the utility model, a terminal position safety component is provided. The terminal position safety component is used to prevent the terminal locking spring arm in the connector housing from being moved from a locking position engaged with the terminal of the connector to an unlocking position separated from the terminal of the connector. The terminal position safety component includes: a plate-like body, suitable for being inserted into a slot of the connector housing; and an elastic cantilever formed on the plate-like body. A locking feature suitable for engaging with the terminal locking spring arm is formed on the end of the elastic cantilever to lock the plate-like body in the slot. The root of the elastic cantilever is suitable for abutting against the end of the terminal locking spring arm to prevent the terminal locking spring arm from being moved to the unlocking position.

[0038] According to another general technical concept of the utility model, a connector housing assembly is provided. The connector housing assembly includes: a connector housing and the aforementioned terminal position safety member. The connector housing is formed with: a socket for inserting a terminal; a terminal locking spring arm formed in the socket and adapted to move between a locking position engaged with the terminal and an unlocking position separated from the terminal; and a slot connected to the socket. The plate-like body of the terminal position safety member is inserted into the slot of the connector housing.

[0039] According to another general technical concept of the utility model, a connector is provided. The connector comprises: the aforementioned connector housing assembly; and a terminal, which is inserted into a socket of the connector housing. A matching locking structure is formed on the terminal, and a locking structure on the terminal locking spring arm is engaged with the matching locking structure on the terminal to lock the terminal in the socket.

[0040] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model; Figure 2 A longitudinal cross-sectional view showing a connector housing assembly according to an exemplary embodiment of the present utility model; Figure 3 An exploded schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present invention when viewed from the rear side; Figure 4 An exploded schematic diagram showing a connector housing assembly according to an exemplary embodiment of the present utility model when viewed from the front side; Figure 5 A horizontal cross-sectional view showing a connector housing 1 according to an exemplary embodiment of the present utility model; Figure 6 A perspective schematic diagram showing a terminal position insurance member 2 according to an exemplary embodiment of the utility model; Figure 7 A longitudinal sectional view showing a terminal position securing member 2 according to an exemplary embodiment of the present utility model when viewed from the rear side; Figure 8 A longitudinal sectional view of a terminal position securing element 2 according to an exemplary embodiment of the present invention as viewed from the front is shown.

[0041] like Figures 1 to 8 As shown, in an exemplary embodiment of the utility model, a terminal position safety member 2 is disclosed. The terminal position safety member 2 is used to prevent the terminal locking spring arm 11 in the connector housing 1 from being moved from a locking position engaged with a terminal (not shown) of the connector to an unlocking position separated from the terminal of the connector.

[0042] like Figures 1 to 8As shown, in the illustrated embodiment, the terminal position insurance member 2 comprises: a plate-like body 20 and an elastic cantilever 21. The plate-like body 20 is suitable for being inserted into the slot 102 of the connector housing 1. The elastic cantilever 21 is formed on the plate-like body 20. A locking feature 21c suitable for engaging with the terminal locking spring arm 11 is formed on the end 21a of the elastic cantilever 21 to lock the plate-like body 20 in the slot 102. The root 21b of the elastic cantilever 21 is suitable for abutting against the end of the terminal locking spring arm 11 to prevent the terminal locking spring arm 11 from being moved to the unlocked position.

[0043] like Figures 1 to 8 As shown, in the illustrated embodiment, a window 201 is formed on the plate-like body 20 , and the elastic cantilever 21 is suspended in the window 201 and extends a predetermined length in the longitudinal direction of the plate-like body 20 .

[0044] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of elastic cantilevers 21 arranged side by side in the transverse direction of the plate-like body 20 are formed on the plate-like body 20. A plurality of windows 201 arranged side by side in the transverse direction of the plate-like body 20 are formed on the plate-like body 20, and the plurality of elastic cantilevers 21 are suspended in the plurality of windows 201, respectively.

[0045] like Figures 1 to 8 As shown, in the illustrated embodiment, the plate-like body 20 has a front end and a rear end opposite to each other in the longitudinal direction thereof, and the end 21 a of the elastic cantilever 21 is close to the front end of the plate-like body 20 .

[0046] like Figures 1 to 8 As shown, in the illustrated embodiment, the terminal position insurance member 2 further includes: an end plate 22 and a positioning key 23. The end plate 22 is connected to the rear end of the plate-shaped body 20. The positioning key 23 is formed on the end plate 22. The positioning key 23 is adapted to cooperate with the positioning groove 103 in the connector housing 1 to position the terminal position insurance member 2 at a predetermined installation position.

[0047] like Figures 1 to 8 As shown, in the illustrated embodiment, the terminal position assurance member further includes a handle portion 24, which is connected to the end plate 22 and extends rearward from the end plate 22 to allow the plate-like body 20 to be inserted into or removed from the slot 102 by grasping the handle portion 24.

[0048] like Figures 1 to 8 As shown, in the illustrated embodiment, the end 21a of the elastic cantilever 21 of the terminal position assurance member 2 is adapted to abut against the terminal locking spring arm 11 to increase the elastic retaining force of the terminal locking spring arm 11 on the terminal of the connector.

[0049] like Figures 1 to 8As shown, in another exemplary embodiment of the utility model, a connector housing assembly is also disclosed. The connector housing assembly includes: a connector housing 1 and a terminal position safety member 2. The connector housing 1 is formed with: a socket 101, a terminal locking elastic arm 11 and a slot 102. The socket 101 is used for inserting the terminal. The terminal locking elastic arm 11 is formed in the socket 101 and is suitable for moving between a locking position engaged with the terminal and an unlocking position separated from the terminal. The slot 102 is connected to the socket 101. The plate-like body 20 of the terminal position safety member 2 is inserted into the slot 102 of the connector housing 1.

[0050] like Figures 1 to 8 As shown, in the illustrated embodiment, the root 21b of the elastic cantilever 21 of the terminal position safety member 2 is suitable for abutting against the end of the terminal locking spring arm 11 to prevent the terminal locking spring arm 11 from being moved from the locking position to the unlocking position, thereby preventing the terminal locking spring arm 11 from being accidentally unlocked.

[0051] like Figures 1 to 8 As shown, in the illustrated embodiment, the end 21a of the elastic cantilever 21 of the terminal position insurance member 2 is adapted to abut against the terminal locking spring arm 11 to increase the elastic holding force of the terminal locking spring arm 11 on the terminal. The end 21a of the elastic cantilever 21 of the terminal position insurance member 2 is located at a middle position between the end and the root of the terminal locking spring arm 11.

[0052] like Figures 1 to 8 As shown, in the illustrated embodiment, a matching locking feature 11c is formed on the terminal locking spring arm 11, and the matching locking feature 11c engages with a locking feature 21c on the end 21a of the elastic cantilever 21 to lock the terminal position assurance member 2 in a predetermined installation position.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the locking feature 21 c is a hook formed on the end 21 a of the elastic cantilever 21 , and the matching locking feature 11 c is a groove formed on the terminal locking elastic arm 11 .

[0054] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the locking feature 21c may be a slot formed on the end 21a of the elastic cantilever 21, and the matching locking feature 11c may be a hook formed on the terminal locking spring arm 11.

[0055] like Figures 1 to 8As shown, in the illustrated embodiment, the connector housing 1 has a plurality of jacks 101 and a plurality of terminal locking spring arms 11 respectively located in the plurality of jacks 101, and the plurality of terminal locking spring arms 11 are arranged in two opposite rows. The slot 102 is located between the two rows of terminal locking spring arms 11 and communicates with the plurality of jacks 101, so that the plate-shaped body 20 of the terminal position insurance member 2 inserted into the slot 102 is located between the two rows of terminal locking spring arms 11.

[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, a row of elastic cantilevers 21 is formed on the plate-shaped body 20 of the terminal position insurance member 2, and each elastic cantilever 21 in the row of elastic cantilevers 21 is inserted between the corresponding two terminal locking elastic arms 11 in the two rows of terminal locking elastic arms 11. The root 21b of each elastic cantilever 21 in the row of elastic cantilevers 21 is suitable for being clamped between the ends of the corresponding two terminal locking elastic arms 11 in the two rows of terminal locking elastic arms 11 to prevent the two rows of terminal locking elastic arms 11 from being moved to the unlocking position.

[0057] like Figures 1 to 8 As shown, in the illustrated embodiment, a locking structure 11d is formed on the side of the terminal locking spring arm 11 facing away from the elastic cantilever 21 , and the locking structure 11d is suitable for engaging with a matching locking structure on the terminal to lock the terminal in the socket 101 .

[0058] like Figures 1 to 8 As shown, in another exemplary embodiment of the utility model, a connector is also disclosed. The connector includes: a connector housing assembly and a terminal. The terminal is inserted into the jack 101 of the connector housing 1. A matching locking structure (not shown) is formed on the terminal, and the locking structure 11d on the terminal locking spring arm 11 engages with the matching locking structure on the terminal to lock the terminal in the jack 101.

[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, the locking structure 11d is a locking protrusion formed on the terminal locking elastic arm 11, and the matching locking structure is a locking groove formed on the terminal.

[0060] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.

[0061] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.

[0062] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.

[0063] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.

Claims

1. A terminal position safety member, for preventing a terminal locking spring arm (11) in a connector housing (1) from being moved from a locking position engaged with a terminal of a connector to an unlocking position separated from the terminal of the connector, It is characterized in that The terminal position insurance component (2) comprises: A plate-shaped body (20) adapted to be inserted into a slot (102) of the connector housing (1); and An elastic cantilever (21) is formed on the plate-like body (20), A locking feature (21c) is formed on the end (21a) of the elastic cantilever (21) and is suitable for engaging with the terminal locking spring arm (11) to lock the plate-like body (20) in the slot (102). The root (21b) of the elastic cantilever (21) is suitable for abutting against the end of the terminal locking elastic arm (11) to prevent the terminal locking elastic arm (11) from being moved to the unlocking position.

2. The terminal position assurance member according to claim 1, characterized in that: A window (201) is formed on the plate-shaped body (20), and the elastic cantilever (21) is suspended in the window (201) and extends a predetermined length in the longitudinal direction of the plate-shaped body (20).

3. The terminal position assurance member according to claim 2, characterized in that: A plurality of elastic cantilevers (21) are formed on the plate-like body (20) and are arranged side by side in a transverse direction of the plate-like body (20); and A plurality of windows (201) are formed on the plate-like body (20) and are arranged side by side in a transverse direction of the plate-like body (20), and the plurality of elastic cantilevers (21) are suspended in the plurality of windows (201) respectively.

4. The terminal position assurance member according to claim 2, characterized in that: The plate-like body (20) has a front end and a rear end opposite to each other in the longitudinal direction thereof, and an end (21a) of the elastic cantilever (21) is close to the front end of the plate-like body (20).

5. The terminal position assurance member according to claim 4, characterized in that: Also includes: an end plate (22) connected to the rear end of the plate-like body (20); and A positioning key (23) is formed on the end plate (22), The positioning key (23) is suitable for cooperating with the positioning groove (103) in the connector housing (1) to position the terminal position insurance component (2) at a predetermined installation position.

6. The terminal position assurance member according to claim 5, characterized in that: Also includes: A handle portion (24) is connected to the end plate (22) and extends rearward from the end plate (22) to allow the plate-shaped body (20) to be inserted into or removed from the slot (102) by grasping the handle portion (24).

7. The terminal position securing member according to any one of claims 1 to 6, characterized in that: The end (21a) of the elastic cantilever (21) of the terminal position safety element (2) is suitable for abutting against the terminal locking elastic arm (11) to increase the elastic retaining force of the terminal locking elastic arm (11) on the terminal.

8. A connector housing assembly, characterized in that: include: A connector housing (1) is formed with: A socket (101) for inserting a terminal; A terminal locking spring arm (11) formed in the insertion hole (101) and adapted to move between a locking position engaged with the terminal and an unlocking position separated from the terminal; and A slot (102) connected to the socket (101); and The terminal position assurance component (2) according to any one of claims 1 to 7, wherein the plate-shaped body (20) is inserted into the slot (102) of the connector housing (1).

9. The connector housing assembly according to claim 8, characterized in that: The root (21b) of the elastic cantilever (21) of the terminal position safety element (2) is adapted to abut against the end of the terminal locking spring arm (11) to prevent the terminal locking spring arm (11) from being moved from the locking position to the unlocking position, thereby preventing the terminal locking spring arm (11) from being accidentally unlocked.

10. The connector housing assembly according to claim 8, characterized in that: The end (21a) of the elastic cantilever (21) of the terminal position safety element (2) is suitable for abutting against the terminal locking elastic arm (11) to increase the elastic holding force of the terminal locking elastic arm (11) on the terminal; The end (21a) of the elastic cantilever (21) of the terminal position safety piece (2) is located at a middle position between the end and the root of the terminal locking elastic arm (11).

11. The connector housing assembly according to claim 8, characterized in that: A matching locking feature (11c) is formed on the terminal locking spring arm (11), and the matching locking feature (11c) engages with a locking feature (21c) on the end (21a) of the elastic cantilever (21) to lock the terminal position securing member (2) in a predetermined installation position.

12. The connector housing assembly according to claim 11, characterized in that: The locking feature (21c) is a hook formed on the end (21a) of the elastic cantilever (21), and the matching locking feature (11c) is a slot formed on the terminal locking elastic arm (11).

13. The connector housing assembly according to claim 11, characterized in that: The locking feature (21c) is a slot formed on the end (21a) of the elastic cantilever (21), and the matching locking feature (11c) is a hook formed on the terminal locking elastic arm (11).

14. The connector housing assembly according to claim 8, wherein: The connector housing (1) comprises a plurality of the insertion holes (101) and a plurality of the terminal locking elastic arms (11) respectively located in the plurality of insertion holes (101), and the plurality of the terminal locking elastic arms (11) are arranged in two opposite rows; The slot (102) is located between two rows of terminal locking spring arms (11) and is connected to the plurality of insertion holes (101), so that the plate-shaped body (20) of the terminal position safety member (2) inserted into the slot (102) is located between the two rows of terminal locking spring arms (11).

15. The connector housing assembly according to claim 14, characterized in that: A row of elastic cantilevers (21) is formed on the plate-shaped body (20) of the terminal position safety member (2), and each elastic cantilever (21) in the row of elastic cantilevers (21) is inserted between two corresponding terminal locking elastic arms (11) in the two rows of terminal locking elastic arms (11); The root (21b) of each elastic cantilever (21) in the row of elastic cantilevers (21) is suitable for being clamped between the ends of two corresponding terminal locking elastic arms (11) in the two rows of terminal locking elastic arms (11) to prevent the two rows of terminal locking elastic arms (11) from being moved to the unlocking position.

16. The connector housing assembly according to claim 8, characterized in that: A locking structure (11d) is formed on the side of the terminal locking spring arm (11) facing away from the elastic cantilever (21), and the locking structure (11d) is suitable for engaging with a matching locking structure on the terminal to lock the terminal in the insertion hole (101).

17. A connector, characterized in that: include: The connector housing assembly according to any one of claims 8 to 16; and The terminal is inserted into the insertion hole (101) of the connector housing (1), A matching locking structure is formed on the terminal, and a locking structure (11d) on the terminal locking elastic arm (11) engages with the matching locking structure on the terminal to lock the terminal in the insertion hole (101).

18. The connector according to claim 17, characterized in that: The locking structure (11d) is a locking protrusion formed on the terminal locking elastic arm (11), and the matching locking structure is a locking groove formed on the terminal.

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