Connector housing, connector housing assembly, connector and connector assembly

Abstract

The utility model discloses a connector housing, a connector housing assembly, a connector and a connector assembly. The connector housing includes: an outer housing having an outer peripheral wall, and a front port and a rear end wall opposite to each other in a longitudinal direction; the inner shell comprises a middle part located in the outer shell, a front end part extending out of the front end opening of the outer shell and a rear end part extending backwards from the rear end wall of the outer shell. A terminal mounting hole for inserting the terminal is formed in the inner shell, an elastic lock catch and a clamping groove suitable for being jointed with the elastic lock catch are formed on the front end part of the inner shell, and the elastic lock catch is used for ensuring the mounting position of the terminal and locking the terminal in the terminal mounting hole. The connector shell is an integrally-formed injection molding part, and the rear end wall of the outer shell is connected between the rear end of the peripheral wall of the outer shell and the outer side of the inner shell. According to the utility model, the connector housing is an integrated injection molding member which integrates the inner housing, the outer housing and the elastic lock catch at the same time, thereby simplifying the structure of the connector and reducing the cost.

Description

Technical Field

[0001] The utility model relates to a connector housing, a connector housing component comprising the connector housing, a connector comprising the connector housing component and a connector component comprising the connector. Background Art

[0002] In the prior art, the connector housing assembly generally includes an outer housing, an inner housing, and a terminal locking piece. The inner housing is installed in the outer housing, and a terminal mounting hole for mounting a terminal and a slot communicating with the terminal mounting hole are formed in the inner housing. The terminal locking piece is inserted into the slot of the inner housing to lock the terminal in the terminal mounting hole. In the prior art, the outer housing, the inner housing, and the terminal locking piece are three separate injection molded parts that need to be manufactured and assembled together separately. This results in a complex structure of the connector housing assembly, difficulty in assembly, and increased costs. Utility Model Content

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, a connector housing is provided. The connector housing comprises: an outer housing having an outer peripheral wall and a front port and a rear end wall opposite to each other in the longitudinal direction; and an inner housing comprising a middle portion located in the outer housing, a front end portion extending from the front port of the outer housing, and a rear end portion extending backward from the rear end wall of the outer housing. A terminal mounting hole for inserting a terminal is formed in the inner housing, and an elastic lock catch and a card groove suitable for engaging with the elastic lock catch are formed on the front end portion of the inner housing, and the elastic lock catch is used to ensure the installation position of the terminal and lock the terminal in the terminal mounting hole. The connector housing is an integrally formed injection molded part, and the rear end wall of the outer housing is connected between the rear end of the outer peripheral wall of the outer housing and the outer side of the inner housing.

[0005] According to an exemplary embodiment of the utility model, the card slot is connected to the terminal mounting hole, and the elastic lock has an elastic arm connected to the outer side of the inner shell and a hook portion formed on the end of the elastic arm, and the hook portion is used to engage with the card slot and is suitable for abutting against the terminal to ensure the installation position of the terminal and prevent the terminal from being pulled out of the terminal mounting hole.

[0006] According to another exemplary embodiment of the utility model, the root of the elastic arm of the elastic lock is adjacent to the front end of the inner shell body, and the hook portion of the elastic lock is adjacent to the front port of the outer shell body and faces the front port of the outer shell body; an avoidance hole allowing the first injection-molded part to be pulled out is formed on the rear end wall of the outer shell body, and the first injection-molded part is used to mold the hook portion of the elastic lock; after completing the injection molding of the connector shell, the first injection-molded part is pulled out of the connector shell through the avoidance hole.

[0007] According to another exemplary embodiment of the utility model, the elastic lock is located on the top of the inner shell body, the root of the elastic arm of the elastic lock is adjacent to the front end of the inner shell body, and the hook portion of the elastic lock is adjacent to the front port of the outer shell body and faces the front port of the outer shell body; an avoidance hole allowing the first injection-molded part to be pulled out is formed on the outer peripheral wall of the outer shell body, and the avoidance hole is located above the top of the inner shell body, and the first injection-molded part is used to mold the hook portion of the elastic lock; after completing the injection molding of the connector shell, the first injection-molded part is pulled out of the connector shell through the avoidance hole.

[0008] According to another exemplary embodiment of the utility model, a plurality of terminal mounting holes for respectively inserting a plurality of terminals are formed in the inner shell body, and the plurality of terminal mounting holes are arranged side by side in the transverse direction of the inner shell body and extend in the longitudinal direction of the inner shell body; the card groove extends in the transverse direction of the inner shell body and is connected with the plurality of terminal mounting holes, and the hook portion of the elastic lock buckle is suitable for simultaneously abutting against the plurality of terminals to prevent the plurality of terminals from being pulled out of the plurality of terminal mounting holes.

[0009] According to another exemplary embodiment of the utility model, the elastic lock catch is suitable for moving between a locking position engaged with the slot and an unlocking position separated from the slot; when the elastic lock catch is moved to the locking position, the hook portion of the elastic lock catch engages with the slot and is suitable for abutting against the terminal to ensure the installation position of the terminal and prevent the terminal from being pulled out of the terminal mounting hole; when the elastic lock catch is moved to the unlocking position, the hook portion of the elastic lock catch is separated from the slot and the terminal to allow the terminal to be pulled out of the terminal mounting hole.

[0010] According to another exemplary embodiment of the utility model, when the elastic lock is in the unlocking position, the hook portion of the elastic lock and the avoidance hole are opposite to each other in the longitudinal direction, so that the first injection-molded part can be pulled out of the connector housing along the longitudinal direction.

[0011] According to another exemplary embodiment of the utility model, the elastic lock is also used to detect whether the terminal has been inserted into the predetermined installation position; when the terminal has been inserted into the predetermined installation position, the terminal is in a position that does not interfere with the hook portion, so that the hook portion can be moved to a locked position engaged with the slot; when the terminal has not been inserted into the predetermined installation position, the terminal is in a position that interferes with the hook portion, so that the hook portion cannot be moved to a locked position engaged with the slot.

[0012] According to another exemplary embodiment of the utility model, a sealing ring installation groove for installing a sealing ring is formed on the middle portion of the inner shell body, and the outer peripheral wall of the outer shell body has two sides opposite to each other in the lateral direction of the inner shell body; avoidance openings allowing a second injection-molded part to be pulled out are respectively formed on both sides of the outer peripheral wall of the outer shell body, and the second injection-molded part is used to mold the sealing ring installation groove; after completing the injection molding of the connector shell, a pair of second injection-molded parts are respectively pulled out of the connector shell through the avoidance openings on both sides of the outer peripheral wall of the outer shell body.

[0013] According to another exemplary embodiment of the utility model, the sealing ring installation groove is close to the front end port of the outer shell, and the avoidance opening extends to the front end surface of the outer peripheral wall of the outer shell, so that the avoidance opening becomes a U-shaped notch with an open front side.

[0014] According to another aspect of the utility model, a connector housing assembly is provided. The connector housing assembly comprises: the aforementioned connector housing; and a sealing ring installed in the sealing ring installation groove of the inner housing. The sealing ring is adapted to be radially compressed between the inner housing and the mating housing of the mating connector inserted into the front port of the outer housing to achieve sealing between the two.

[0015] According to another aspect of the present invention, a connector is provided, comprising: the connector housing assembly described above; and a terminal inserted into a terminal mounting hole of the inner housing.

[0016] According to another aspect of the utility model, a connector assembly is provided, which includes: the aforementioned connector; and a mating connector mating with the connector.

[0017] According to an exemplary embodiment of the utility model, the mating connector comprises: a mating housing, adapted to be inserted into the front port of the outer housing of the connector housing to mate with the connector housing; and a mating terminal, adapted to be inserted into the terminal mounting hole of the connector housing to mate with the terminal of the connector. The sealing ring is radially squeezed between the inner housing and the mating housing to achieve a seal between the two.

[0018] In the aforementioned various exemplary embodiments according to the present utility model, the connector housing is an integral injection-molded part integrating the inner housing, the outer housing and the elastic lock, thereby simplifying the structure of the connector and reducing the cost.

[0019] 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

[0020] Figure 1 A perspective schematic diagram showing a connector housing assembly according to an exemplary embodiment of the utility model;

[0021] Figure 2 A perspective schematic diagram showing a connector housing according to an exemplary embodiment of the present utility model when viewed from the front side;

[0022] Figure 3 A perspective schematic diagram showing a connector housing according to an exemplary embodiment of the present utility model when viewed from the rear side;

[0023] Figure 4 A longitudinal cross-sectional view showing a connector housing according to an exemplary embodiment of the present invention when viewed from the front side;

[0024] Figure 5 A longitudinal cross-sectional view showing a connector housing according to an exemplary embodiment of the present utility model when viewed from the rear side;

[0025] Figure 6 The schematic perspective view of a connector housing according to another exemplary embodiment of the present invention is shown when viewed from the rear side. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] According to an overall technical concept of the utility model, a connector housing is provided. The connector housing comprises: an outer housing having an outer peripheral wall and a front port and a rear end wall opposite to each other in the longitudinal direction; and an inner housing comprising a middle portion located in the outer housing, a front end portion extending from the front port of the outer housing, and a rear end portion extending backward from the rear end wall of the outer housing. A terminal mounting hole for inserting a terminal is formed in the inner housing, and an elastic lock catch and a card groove suitable for engaging with the elastic lock catch are formed on the front end portion of the inner housing, and the elastic lock catch is used to ensure the installation position of the terminal and lock the terminal in the terminal mounting hole. The connector housing is an integrally formed injection molded part, and the rear end wall of the outer housing is connected between the rear end of the outer peripheral wall of the outer housing and the outer side of the inner housing.

[0029] According to another general technical concept of the utility model, a connector housing assembly is provided. The connector housing assembly comprises: the aforementioned connector housing; and a sealing ring installed in the sealing ring installation groove of the inner housing. The sealing ring is adapted to be radially squeezed between the inner housing and the mating housing of the mating connector inserted into the front port of the outer housing to achieve sealing between the two.

[0030] According to another general technical concept of the utility model, a connector is provided, which includes: the aforementioned connector housing assembly; and a terminal inserted into a terminal mounting hole of the inner housing.

[0031] According to another general technical concept of the utility model, a connector assembly is provided. The connector assembly comprises: the aforementioned connector; and a mating connector mating with the connector.

[0032] Figure 1 A perspective schematic diagram showing a connector housing assembly according to an exemplary embodiment of the utility model; Figure 2 A perspective schematic diagram showing a connector housing 1 according to an exemplary embodiment of the present utility model when viewed from the front side; Figure 3 A perspective schematic diagram showing a connector housing 1 according to an exemplary embodiment of the present utility model when viewed from the rear side; Figure 4 A longitudinal sectional view showing a connector housing 1 according to an exemplary embodiment of the present utility model when viewed from the front side; Figure 5 A longitudinal sectional view of a connector housing 1 according to an exemplary embodiment of the present invention is shown when viewed from the rear side.

[0033] like Figures 1 to 5As shown, in an exemplary embodiment of the utility model, a connector housing 1 is disclosed. The connector housing 1 includes: an outer housing 11, an inner housing 12, and an elastic lock (or secondary lock) 13 formed on the inner housing 12. The outer housing 11 has an outer peripheral wall 113 and a front port 111 and a rear end wall 112 that are opposite to each other in the longitudinal direction. The inner housing 12 includes a middle portion 123 located in the outer housing 11, a front end portion 121 extending from the front port 111 of the outer housing 11, and a rear end portion 122 extending backward from the rear end wall 112 of the outer housing 11. A terminal mounting hole 12a for inserting a terminal (not shown) is formed in the inner housing 12, and an elastic lock 13 and a card groove 12b suitable for engaging with the elastic lock 13 are formed on the front end portion 121 of the inner housing 12, and the elastic lock 13 is used to lock the terminal in the terminal mounting hole 12a.

[0034] like Figures 1 to 5 As shown, in the illustrated embodiment, the connector housing 1 is an integrally formed injection molded part, and the rear end wall 112 of the outer housing 11 is connected between the rear end of the outer peripheral wall 113 of the outer housing 11 and the outer side of the inner housing 12 .

[0035] like Figures 1 to 5 As shown, in the illustrated embodiment, the slot 12b is connected to the terminal mounting hole 12a, and the elastic lock 13 has an elastic arm 13a connected to the outer side of the inner shell 12 and a hook portion 13b formed on the end of the elastic arm 13a, and the hook portion 13b is used to engage with the slot 12b and is suitable for abutting against the terminal to ensure the installation position of the terminal and prevent the terminal from being pulled out of the terminal mounting hole 12a.

[0036] like Figures 1 to 5 As shown, in the illustrated embodiment, the root of the elastic arm 13a of the elastic lock 13 is adjacent to the front end of the inner housing 12, and the hook portion 13b of the elastic lock 13 is adjacent to the front port 111 of the outer housing 11 and faces the front port 111 of the outer housing 11. An escape hole 11b is formed on the rear end wall 112 of the outer housing 11 to allow the first injection molded part (not shown) to be pulled out, and the first injection molded part is used to mold the hook portion 13b of the elastic lock 13. After the injection molding of the connector housing 1 is completed, the first injection molded part is pulled out from the connector housing 1 backward through the escape hole 11b.

[0037] Figure 6 The schematic perspective view of the connector housing 1 according to another exemplary embodiment of the present invention is shown when viewed from the rear side.

[0038] However, the present invention is not limited to Figures 1 to 5 The embodiment shown, for example, in Figure 6In another exemplary embodiment shown, the elastic lock 13 is located on the top of the inner housing 12, the root of the elastic arm 13a of the elastic lock 13 is adjacent to the front end of the inner housing 12, and the hook portion 13b of the elastic lock 13 is adjacent to the front port 111 of the outer housing 11 and faces the front port 111 of the outer housing 11. An escape hole 11b is formed on the outer peripheral wall 113 of the outer housing 11 to allow the first injection molded part to be pulled out, and the escape hole 11b is located above the top of the inner housing 12. The first injection molded part is used to mold the hook portion 13b of the elastic lock 13. After the injection molding of the connector housing 1 is completed, the first injection molded part is pulled out of the connector housing 1 via the escape hole.

[0039] like Figures 1 to 5 As shown, in the illustrated embodiment, a plurality of terminal mounting holes 12a for respectively inserting a plurality of terminals are formed in the inner housing 12, and the plurality of terminal mounting holes 12a are arranged side by side in the transverse direction of the inner housing 12 and extend in the longitudinal direction of the inner housing 12. The card slot 12b extends in the transverse direction of the inner housing 12 and communicates with the plurality of terminal mounting holes 12a, and the card hook portion 13b of the elastic lock buckle 13 is suitable for abutting against the plurality of terminals at the same time to prevent the plurality of terminals from being pulled out of the plurality of terminal mounting holes 12a.

[0040] like Figures 1 to 5 As shown, in the illustrated embodiment, the elastic lock catch 13 is adapted to move between a locking position engaged with the card slot 12b and an unlocking position separated from the card slot 12b. When the elastic lock catch 13 is moved to the locking position, the hook portion 13b of the elastic lock catch 13 is engaged with the card slot 12b and is adapted to abut against the terminal to prevent the terminal from being pulled out of the terminal mounting hole 12a. When the elastic lock catch 13 is moved to the unlocking position, the hook portion 13b of the elastic lock catch 13 is separated from the card slot 12b and the terminal to allow the terminal to be pulled out of the terminal mounting hole 12a.

[0041] like Figures 1 to 5 As shown, in the illustrated embodiment, when the elastic lock 13 is in the unlocked position, the hook portion 13b of the elastic lock 13 and the avoidance hole 11b are opposite to each other in the longitudinal direction, so that the first injection molded part can be pulled out of the connector housing 1 in the longitudinal direction.

[0042] like Figures 1 to 5 As shown, in the illustrated embodiment, the elastic lock 13 is also used to detect whether the terminal has been inserted into the predetermined installation position. When the terminal has been inserted into the predetermined installation position, the terminal is in a position that does not interfere with the hook portion 13b, so that the hook portion 13b can be moved to a locked position engaged with the slot 12b. When the terminal is not inserted into the predetermined installation position, the terminal is in a position that interferes with the hook portion 13b, so that the hook portion 13b cannot be moved to a locked position engaged with the slot 12b.

[0043] like Figures 1 to 5 As shown, in the illustrated embodiment, a sealing ring installation groove 12c for installing the sealing ring 2 is formed on the middle portion 123 of the inner housing 12, and the outer peripheral wall 113 of the outer housing 11 has two opposite sides in the lateral direction of the inner housing 12. On both sides of the outer peripheral wall 113 of the outer housing 11, there are respectively formed avoidance openings 11a that allow the second injection molding part (not shown) to be pulled out, and the second injection molding part is used to mold the sealing ring installation groove 12c. After the injection molding of the connector housing 1 is completed, a pair of second injection molding parts are respectively pulled out from the connector housing 1 through the avoidance openings 11a on both sides of the outer peripheral wall 113 of the outer housing 11. The pair of second injection molding parts are combined together to mold the sealing ring installation groove 12c.

[0044] like Figures 1 to 5 As shown, in the illustrated embodiment, the sealing ring installation groove 12c is close to the front end 111 of the outer shell 11, and the avoidance opening 11a extends to the front end surface of the outer peripheral wall 113 of the outer shell 11, so that the avoidance opening 11a becomes a U-shaped gap with an open front side.

[0045] like Figures 1 to 5 As shown, in another exemplary embodiment of the utility model, a connector housing assembly is also disclosed. The connector housing assembly comprises: the aforementioned connector housing 1 and a sealing ring 2. The sealing ring 2 is installed in the sealing ring installation groove 12c of the inner housing 12. The sealing ring 2 is adapted to be radially pressed between the inner housing 12 and the mating housing of the mating connector inserted into the front port 111 of the outer housing 11, so as to achieve a seal between the two.

[0046] like Figures 1 to 5 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector comprises: the aforementioned connector housing assembly and a terminal, wherein the terminal is inserted into a terminal mounting hole 12 a of an inner housing 12 .

[0047] like Figures 1 to 5 As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed. The connector assembly includes: the aforementioned connector and a mating connector (not shown), the mating connector mating with the connector.

[0048] like Figures 1 to 5 As shown, in the illustrated embodiment, the mating connector includes: a mating housing (not shown) and a mating terminal (not shown). The mating housing is suitable for being inserted into the front port 111 of the outer housing 11 of the connector housing 1 to be mated with the connector housing 1. The mating terminal is suitable for being inserted into the terminal mounting hole 12a of the connector housing 1 to be mated with the terminal of the connector. The sealing ring 2 is radially pressed between the inner housing 12 and the mating housing to achieve a seal between the two.

[0049] The utility model forms the avoidance opening 11a and the avoidance hole 11b on the outer shell of the connector shell, so that the sealing ring installation groove 12c and the elastic lock buckle 13 can be formed by the injection molding process.

[0050] 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.

[0051] 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.

[0052] 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.

[0053] 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 connector housing, characterized in that: include: An outer shell (11) having an outer peripheral wall (113) and a front port (111) and a rear end wall (112) opposite to each other in the longitudinal direction; and The inner shell (12) comprises a middle portion (123) located inside the outer shell (11), a front end portion (121) extending from a front port (111) of the outer shell (11), and a rear end portion (122) extending rearward from a rear end wall (112) of the outer shell (11). A terminal mounting hole (12a) for inserting a terminal is formed in the inner housing (12), and an elastic lock buckle (13) and a slot (12b) suitable for engaging with the elastic lock buckle (13) are formed on the front end portion (121) of the inner housing (12), wherein the elastic lock buckle (13) is used to ensure the installation position of the terminal and lock the terminal in the terminal mounting hole (12a). The connector housing (1) is an integrally formed injection molded part, and the rear end wall (112) of the outer housing (11) is connected between the rear end of the outer peripheral wall (113) of the outer housing (11) and the outer side of the inner housing (12).

2. The connector housing according to claim 1, characterized in that: The card slot (12b) is connected to the terminal mounting hole (12a), and the elastic lock (13) has an elastic arm (13a) connected to the outer side of the inner shell (12) and a hook portion (13b) formed on the end of the elastic arm (13a), and the hook portion (13b) is used to engage with the card slot (12b) and is suitable for abutting against the terminal to ensure the installation position of the terminal and prevent the terminal from being pulled out of the terminal mounting hole (12a).

3. The connector housing according to claim 2, characterized in that: The root of the elastic arm (13a) of the elastic lock buckle (13) is adjacent to the front end of the inner shell (12), and the hook portion (13b) of the elastic lock buckle (13) is adjacent to the front port (111) of the outer shell (11) and faces the front port (111) of the outer shell (11); A relief hole (11b) is formed on the rear end wall (112) of the outer shell (11) to allow the first injection molded part to be pulled out, and the first injection molded part is used to mold the hook portion (13b) of the elastic lock buckle (13); After the injection molding of the connector housing (1) is completed, the first injection-molded part is pulled out of the connector housing (1) via the avoidance hole (11b).

4. The connector housing according to claim 2, characterized in that: The elastic lock buckle (13) is located on the top of the inner shell (12), the root of the elastic arm (13a) of the elastic lock buckle (13) is adjacent to the front end of the inner shell (12), and the hook portion (13b) of the elastic lock buckle (13) is adjacent to the front port (111) of the outer shell (11) and faces the front port (111) of the outer shell (11); An escape hole (11b) is formed on the outer peripheral wall (113) of the outer shell (11) to allow the first injection molded part to be pulled out, the escape hole (11b) is located above the top of the inner shell (12), and the first injection molded part is used to form the hook portion (13b) of the elastic lock buckle (13); After the injection molding of the connector housing (1) is completed, the first injection-molded part is pulled out of the connector housing (1) via the avoidance hole (11b).

5. The connector housing according to claim 2, characterized in that: A plurality of terminal mounting holes (12a) for respectively inserting a plurality of terminals are formed in the inner housing (12), the plurality of terminal mounting holes (12a) being arranged side by side in a transverse direction of the inner housing (12) and extending in a longitudinal direction of the inner housing (12); and The card slot (12b) extends in the transverse direction of the inner shell (12) and is connected to the multiple terminal mounting holes (12a), and the hook portion (13b) of the elastic lock (13) is suitable for simultaneously abutting against the multiple terminals to ensure the installation position of the terminals and prevent the multiple terminals from being pulled out of the multiple terminal mounting holes (12a).

6. The connector housing according to claim 4, characterized in that: The elastic lock buckle (13) is suitable for moving between a locking position engaged with the card slot (12b) and an unlocking position separated from the card slot (12b); When the elastic lock buckle (13) is moved to the locking position, the hook portion (13b) of the elastic lock buckle (13) engages with the locking groove (12b) and is adapted to abut against the terminal to ensure the installation position of the terminal and prevent the terminal from being pulled out of the terminal installation hole (12a); When the elastic lock buckle (13) is moved to the unlocking position, the hook portion (13b) of the elastic lock buckle (13) is separated from the slot (12b) and the terminal to allow the terminal to be pulled out of the terminal mounting hole (12a).

7. The connector housing according to claim 6, characterized in that: When the elastic lock buckle (13) is in the unlocking position, the hook portion (13b) of the elastic lock buckle (13) and the avoidance hole (11b) are opposite to each other in the longitudinal direction, so that the first injection-molded part can be pulled out of the connector housing (1) along the longitudinal direction.

8. The connector housing according to claim 2, characterized in that: The elastic lock buckle (13) is also used to detect whether the terminal has been inserted into a predetermined installation position; When the terminal has been inserted into the predetermined installation position, the terminal is in a position that does not interfere with the hook portion (13b), so that the hook portion (13b) can be moved to a locking position that engages with the slot (12b); When the terminal is not inserted into the predetermined installation position, the terminal is in a position interfering with the hook portion (13b), so that the hook portion (13b) cannot be moved to a locking position engaged with the slot (12b).

9. The connector housing according to any one of claims 1 to 8, characterized in that: A sealing ring installation groove (12c) for installing a sealing ring (2) is formed on the middle portion (123) of the inner shell (12), and the outer peripheral wall (113) of the outer shell (11) has two opposite sides in the transverse direction of the inner shell (12); On both sides of the outer peripheral wall (113) of the outer shell (11) are formed escape openings (11a) for allowing the second injection molded part to be pulled out, respectively, and the second injection molded part is used to form the sealing ring installation groove (12c); After the injection molding of the connector housing (1) is completed, a pair of second injection-molded parts are respectively pulled out of the connector housing (1) through the avoidance openings (11a) on both sides of the outer peripheral wall (113) of the outer housing (11).

10. The connector housing according to claim 9, characterized in that: The sealing ring installation groove (12c) is close to the front end (111) of the outer shell (11), and the avoidance opening (11a) extends to the front end surface of the outer peripheral wall (113) of the outer shell (11), so that the avoidance opening (11a) becomes a U-shaped notch with an open front side.

11. A connector housing assembly, characterized in that: include: The connector housing (1) according to claim 9 or 10; and The sealing ring (2) is installed in the sealing ring installation groove (12c) of the inner housing (12). The sealing ring (2) is suitable for being radially compressed between the inner housing (12) and the mating housing of the mating connector inserted into the front port (111) of the outer housing (11) to achieve sealing between the two.

12. A connector, characterized in that: include: The connector housing assembly according to claim 11; and The terminal is inserted into the terminal mounting hole (12a) of the inner housing (12).

13. A connector assembly, characterized in that: include: The connector according to claim 12; and A mating connector is mated with the connector.

14. The connector assembly according to claim 13, characterized in that: The mating connector comprises: A mating housing, adapted to be inserted into a front port (111) of an outer housing (11) of the connector housing (1) so as to mate with the connector housing (1); and A mating terminal, adapted to be inserted into a terminal mounting hole (12a) of the connector housing (1) to mate with a terminal of the connector, The sealing ring (2) is radially pressed between the inner shell (12) and the mating shell to achieve sealing between the two.

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