Housing assembly for connector mounted on mounting panel and connector

Abstract

The application discloses a housing assembly for a connector mounted on a mounting panel. The housing assembly comprises: an insulating housing having a housing body extending axially and a flange portion extending outward in a radial direction from an outer wall of the housing body; and the sealing structure is fixedly kept on the side, facing the mounting panel, of the flange part, and the sealing structure has elasticity and is configured to abut against the mounting panel so as to seal a gap between the insulating shell and the mounting panel. The utility model further discloses a connector. The connector comprises the shell assembly and the terminal installed in the insulating shell of the shell assembly.

Description

[0001] This application claims priority to a patent application with a filing date of December 27, 2023, application number 202323600055.X and name “Housing assembly and connector for connector”. Technical Field

[0002] The present application relates to a housing assembly for a connector and a connector including the housing assembly. Background Art

[0003] There is usually a gap between the installation panel of the electrical device and the connector plugged into the installation panel, so that foreign matter and water from the outside can easily enter the electrical device, thereby causing a malfunction of the electrical device.

[0004] A seal may be provided on the connector to seal the gap between the connector and the mounting panel, but such a seal is easy to fall off the connector, especially during transportation before the connector is installed on an electrical device, and the seal is lost. Utility Model Content

[0005] In order to overcome at least one of the above and other problems and defects in the prior art, the present application is proposed.

[0006] One aspect of the present application provides a housing assembly for a connector mounted on a mounting panel. The housing assembly comprises: an insulating housing having an axially extending housing body and a flange portion extending radially outward from an outer wall of the housing body; and a sealing structure fixedly held on a side of the flange portion facing the mounting panel, and the sealing structure is elastic and configured to abut against the mounting panel to seal a gap between the insulating housing and the mounting panel.

[0007] In some embodiments, the sealing structure is a removable seal formed independently of the insulating shell, the seal is configured to surround at least a portion of the shell body to be retained on the flange portion, and the insulating shell has a retaining portion, which is suitable for engaging with the seal to retain the seal on the insulating shell.

[0008] In some embodiments, the sealing structure is an integrated structure that is integrally formed with the flange portion and cannot be disassembled.

[0009] In some embodiments, a side of the flange portion facing the mounting panel has a step portion recessed relative to an axial surface, and the step portion extends along a circumferential edge of the flange portion, and the sealing structure is formed on the step portion.

[0010] In some embodiments, the insulating shell has at least one pair of clamping portions extending from the outer surfaces of two opposite side walls of the shell body toward the flange portion, and the clamping portions are configured to tightly clamp the mounting panel between the sealing structure and the clamping portions; and the height of the sealing structure protruding from the axial surface of the flange portion is greater than the distance between the free end of the clamping portion and the axial surface, so that the sealing structure can tightly and elastically abut against the mounting panel.

[0011] In some embodiments, the sealing structure is an in-situ cured gasket formed on the flange portion by in-situ curing.

[0012] One aspect of the present application provides a housing assembly for a connector. The housing assembly includes an insulating housing and a seal adapted to be mounted on the insulating housing, wherein the seal is configured to abut against a mounting panel for mounting the connector to seal a gap between the insulating housing and the mounting panel. The insulating housing has an axially extending housing body and a flange portion extending radially outward from an outer wall of the housing body, wherein the seal is configured to surround at least a portion of the housing body to be mounted on the flange portion. The insulating housing has a retaining portion adapted to engage with the seal to retain the seal on the insulating housing.

[0013] In some embodiments, the retaining portion extends axially from the flange portion to engage the seal.

[0014] In some embodiments, the seal is adapted to abut against at least one axial surface of the flange portion, and the retaining portion protrudes from the axial surface.

[0015] In some embodiments, the retaining portion includes a plurality of retaining portions protruding from the axial surface in the form of columns, a central portion of the seal adapted to contact the axial surface has an opening, and the retaining portion is adapted to be inserted into the opening so that an inner edge of the opening frictionally contacts an outer surface of the retaining portion.

[0016] In some embodiments, the retaining portion in the form of a column has a polygonal or circular cross-section.

[0017] In some embodiments, a retaining portion in the form of a column protrudes beyond the axial surface by a length greater than the thickness of the central portion of the seal so that the retaining portion is inserted into the opening with its distal end positioned outside the opening.

[0018] In some embodiments, each retaining portion has an enlarged head at a free end of the post, the enlarged head axially blocking the seal from disengaging from the retaining portion, the central portion of the seal being adapted to be positioned between the enlarged head and the axial surface.

[0019] In some embodiments, the enlarged head protrudes radially from the post such that a cross-sectional area of ​​the enlarged head is greater than a cross-sectional area of ​​the opening of the seal.

[0020] In some embodiments, the column has a quadrilateral cross-section, and the enlarged head extends radially outward from three side surfaces of the column except for a side facing the housing body.

[0021] In some embodiments, the enlarged head is formed to taper from a radially protruding portion thereof toward a free end thereof.

[0022] In some embodiments, the retaining portion at least partially protrudes radially outward from the outer surface of the side wall of the shell body, and the seal is configured to surround at least a portion of the shell body to be installed on the insulating shell, so that the seal is suitable for being retained between the flange portion and the retaining portion and abutting against the flange portion and the retaining portion.

[0023] In some embodiments, the retaining portion has a pressing portion for pressing the sealing member, and the retaining portion is formed to be gradually reduced from the pressing portion in a direction away from the flange portion.

[0024] In some embodiments, the seal has at least two lips on a surface facing the mounting panel, the at least two lips including: a first lip circumferentially formed at an outer edge of the seal, and a second lip spaced apart from the first lip.

[0025] In some embodiments, a clamping portion suitable for connecting with the mounting panel is formed on an outer surface of a side wall of the housing body of the insulating housing.

[0026] Another aspect of the present application provides a connector, which includes a housing assembly according to the present application and a terminal installed in an insulating housing of the housing assembly.

[0027] According to various embodiments of the present application, the provided housing assembly and connector are provided with a sealant installed on the outside of the insulating housing to seal the gap between the connector and the mounting panel of the electrical device, thereby preventing foreign matter and water from entering the electrical device and causing a malfunction. In addition, a retaining portion is provided on the insulating housing of the connector to prevent the sealant from falling off the connector. In some embodiments, the sealing structure located on the flange portion of the insulating housing is an integral and non-detachable integrated structure formed integrally with the flange portion.

[0028] Other objects and advantages of the present application will be apparent from the following description of the present application with reference to the accompanying drawings, and can help to have a comprehensive understanding of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly described below. It should be noted that the drawings described below only relate to some embodiments of the present application, rather than limiting the present application. In the drawings:

[0030] Figure 1 An exploded view of a connector according to an embodiment of the present application is shown.

[0031] Figure 2 A perspective view of an insulating housing of a connector according to an embodiment of the present application is shown.

[0032] Figure 3 and Figure 4 The diagram shows perspective views of a seal of a connector according to an embodiment of the present application observed from different viewing angles.

[0033] Figure 5 A perspective view of a connector according to an embodiment of the present application is shown.

[0034] Figure 6 and Figure 7 The diagram shows perspective views from different viewing angles of a connector according to an embodiment of the present application being plugged into a panel of a device.

[0035] Figure 8 Shows Figure 5 The connector is shown in cross-section taken along line AA.

[0036] Fig. 9 A perspective view showing an insulating housing of a connector according to another embodiment of the present application is shown.

[0037] Fig.10 A perspective view showing a connector according to another embodiment of the present application is shown.

[0038] Fig.11 Shows Fig.10 A cross-sectional view of the connector is shown taken along line BB.

[0039] Fig.12 Shows Fig.10 A cross-sectional view of the connector is shown taken along line CC.

[0040] Fig.13 A perspective view showing an insulating housing of a connector according to yet another embodiment of the present application is shown.

[0041] Fig.14 A perspective view showing a connector according to yet another embodiment of the present application is shown.

[0042] Fig.15 A perspective view showing a seal of a connector according to yet another embodiment of the present application is shown.

[0043] Fig.16 Shows Fig.14 The connector is shown in cross-section taken along line EE.

[0044] Fig.17 A perspective view of a connector before a sealing structure is formed according to still another embodiment of the present application is shown.

[0045] Fig.18 A perspective view of a connector after a sealing structure is formed according to yet another embodiment of the present application is shown.

[0046] Fig.19 Shows Fig.18 An end view of the connector looking toward the sealing structure is shown.

[0047] Fig. 20 Shows Fig.18 A perspective view of the connector shown plugged into a mounting panel of a device.

[0048] Fig.21 Shown along Fig. 20 A cross-sectional view taken along line FF in FIG.

[0049] Fig. 22 An end view of a connector with a sealing structure according to yet another embodiment of the present application is shown. DETAILED DESCRIPTION

[0050] The embodiments of the present application will be described below with reference to the accompanying drawings. The same reference numerals and symbols shown in the drawings of the present application refer to elements or components that perform substantially the same functions.

[0051] In addition, the terms used herein are used to describe embodiments and are not intended to limit and / or constrain the present application. Unless the context clearly indicates otherwise, the singular forms of "one", "a kind of", "said", "the" are also intended to include plural forms. In the present application, "include", "comprise", "include", "have" and similar terms are used to list features, quantities, steps, operations, elements, parts or combinations thereof, but do not exclude the presence or addition of one or more of the features, quantities, steps, operations, elements, parts or combinations thereof.

[0052] Although the terms "first", "second", "third", etc. may be used herein to describe a variety of different elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, without departing from the scope of the present application, a first element may be referred to as a second element, and a second element may be referred to as a first element. The term "and / or" includes multiple combinations of associated items or any one of a plurality of associated items.

[0053] 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, well-known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0054] An embodiment of one aspect of the present application provides a housing assembly for a connector mounted on a mounting panel. The housing assembly includes an insulating housing and a sealing structure. The insulating housing has an axially extending housing body and a flange portion extending radially outward from an outer wall of the housing body. The sealing structure is fixedly retained on a side of the flange portion facing the mounting panel, and the sealing structure is elastic and is configured to abut against the mounting panel to seal a gap between the insulating housing and the mounting panel.

[0055] In some embodiments, the sealing structure is a removable seal formed independently of the insulating shell, the seal is configured to surround at least a portion of the shell body to be retained on the flange portion, and the insulating shell has a retaining portion, which is suitable for engaging with the seal to retain the seal on the insulating shell.

[0056] like Figures 1 to 16 The illustrated embodiment provides a housing assembly for a connector. The housing assembly includes an insulating housing 10 and a seal 20 suitable for being mounted on the insulating housing. The seal 20 can be configured to abut against a mounting panel 30 for mounting the connector to seal a gap between the insulating housing and the mounting panel. The insulating housing has an axially extending housing body 11 and a flange portion 13 extending radially outward from an outer wall of the housing body, wherein the seal 20 is configured to surround at least a portion of the housing body to be mounted on the flange portion. The insulating housing 10 has a retaining portion, which is suitable for engaging with the seal 20 to retain the seal on the insulating housing.

[0057] The connector according to the present application may be an electrical connector for transmitting power to an electrical device. In this case, the connector has a conductive terminal housed inside the insulating housing 10. Alternatively, the connector according to the present application may be a signal connector for transmitting a signal such as an optical signal to an electrical device. In this case, the connector has a signal terminal or a plug housed inside the insulating housing 10. The type of connector of the present application is not limited to the above case.

[0058] The insulating housing 10 may be made of an insulating material such as plastic. The sealing member 20 may be made of an elastic material to have elasticity. In addition, the sealing member 20 may also be referred to as a grommet seal or a sealing pad.

[0059] According to various embodiments of the present application, the insulating housing 10 may include an axially extending housing body 11 and a flange portion 13 extending radially outward from an outer wall of the housing body.

[0060] The seal 20 according to the present application may be configured to surround at least a portion of the housing body 11 to be mounted on the flange portion 13. Figure 5 , Fig.10 and Fig.14 As shown, the seal 20 may be configured to surround the plug-in portion of the insulating housing 10 plugged into the mounting panel 30 to be sleeved on the flange portion 13. Figure 2 and Figure 5 as well as Fig. 9 and Fig.10 As better shown, according to some embodiments of the present application, the retaining portions 100 a , 100 b extend axially from the flange portion 13 to engage with the seal 20 .

[0061] In some embodiments, the seal 20 is adapted to abut against at least one axial surface 131 of the flange portion 13 , and the retaining portions 100 a , 100 b may protrude from the axial surface 131 .

[0062] like Figure 2 and Figure 5 as well as Fig. 9 and Fig.10 As best shown, the retaining portion according to some embodiments of the present application includes a plurality of retaining portions 100a, 100b protruding from the axial surface 131 in the form of a column. Figure 3 and Figure 4As shown, according to some embodiments of the present application, the central portion 201 of the seal 20 adapted to contact the axial surface 131 has an opening 202. The retaining portion is adapted to be inserted into the opening 202 so that the inner edge of the opening rubs against the outer surface of the retaining portion. Thus, the retaining portion can prevent the seal 20 from falling off from the insulating housing 10 by friction with the inner edge of the opening 202 of the seal 20.

[0063] According to some embodiments of the present application, the retaining portions 100a, 100b may be in the form of a column and have a polygonal or circular cross section. Figure 2 and Fig. 9 As best shown, the holding portion 100a, 100b may have a quadrilateral cross section, in particular a rectangular or square cross section.

[0064] like Figure 8 , Fig.11 and Fig.12 As shown, in some embodiments, the length of the retaining portion 100a, 100b in the form of a column protruding beyond the axial surface 131 can be greater than the thickness of the central portion 201 of the seal 20, so that the retaining portion can be inserted into the opening with its end positioned outside the opening 202.

[0065] According to some embodiments of the present application, Figures 9 to 12 As shown, the retaining portion 100b has an enlarged head 102 at the free end of the column. The enlarged head can axially block the seal 20 from leaving the retaining portion. Fig.11 and Fig.12 As shown, the central portion 201 of the seal 20 is adapted to be positioned between the enlarged head 102 and the axial surface 131 .

[0066] In some embodiments, the enlarged head 102 may protrude radially from the column, so that the cross-sectional area of ​​the enlarged head is larger than the cross-sectional area of ​​the seal opening 202. Thus, the enlarged head 102 can axially block the seal 20 from being separated from the retaining portion 100b.

[0067] In some embodiments, Fig. 9 as well as Fig.11 and Fig.12 As shown, the column 101 has a quadrilateral cross section, and the enlarged head 102 extends radially outward from three side surfaces of the column 101 except the side facing the housing body 11. In other words, the side of the enlarged head 102 facing the housing body 11 is flat.

[0068] In some embodiments, Fig. 9 as well as Fig.11 and Fig.12 Preferably, the enlarged head 102 can be formed to taper from its radial protrusion toward its free end. In some embodiments, the enlarged head 102 is formed by strong demoulding in a tilted top molding manner, so that the enlarged head 102 tapers from its radial protrusion toward its free end.

[0069] like Figures 13 to 16 As shown, the retaining portion 100c according to some embodiments of the present application may at least partially protrude radially outward from the outer surface of the side wall of the housing body 11. The seal 20 may be configured to surround at least a portion of the housing body 11 to be mounted on the insulating housing 10, so that the seal 20 is suitable for being retained between the flange portion 13 and the retaining portion 100c and abutting against the flange portion and the retaining portion.

[0070] like Fig.16 As shown in detail, the retaining portion 100 c may have a pressing portion 103 for pressing the sealing member, and the retaining portion is formed to be gradually reduced from the pressing portion in a direction away from the flange portion 13 .

[0071] In addition, as shown in Figure 15, the seal 20 for the retaining portion 100c has only one main opening for the housing body 11 to pass through at its central portion 201 adapted to contact the axial surface 131, and does not have a main opening as shown in Figure 15. Figure 3 The opening 202 of the illustrated embodiment.

[0072] According to various embodiments of the present application, the seal 20 may have at least two lips on the surface facing the mounting panel 30. The at least two lips may include a first lip 203 formed circumferentially at the outer edge of the seal 20 and a second lip 204 spaced apart from the first lip 203.

[0073] According to various embodiments of the present application, a clamping portion 14 suitable for connecting with the mounting panel 30 is formed on the outer surface of the side wall of the housing body 11 of the insulating housing 10. The clamping portion 14 may include at least one pair of clamping portions located on opposite sides of the housing body 11. The at least one pair of clamping portions may extend from the outer surface of the side wall of the housing body 11 toward the flange portion 13. The clamping portion 14 may be configured to clamp the mounting panel 30 between the sealing structure 20, 20a and the clamping portion 14. In some embodiments, the clamping portion 14 may be clamped in a clamping opening in the mounting panel 30. In some embodiments, the free end of the clamping portion 14 may abut against the panel surface of the mounting panel 30.

[0074] The height of the sealing structure 20 , 20 a protruding from the axial surface 131 of the flange portion 13 may be greater than the distance between the free end of the clamping portion 14 and the axial surface 131 , so that the sealing structure 20 a or the seal 20 can be tightly and elastically abutted against the mounting panel 30 .

[0075] In some other embodiments of the present application, Figures 17 to 22 As shown, the sealing structure 20a can be an integrated structure that is not removable and is formed integrally with the flange portion 13. Thus, the sealing structure 20a can be firmly combined with the flange portion 13, thereby preventing the sealing structure from falling off and reducing the subsequent installation steps. In this case, the retaining portions 100a, 100b, 100c formed on the flange portion can be omitted.

[0076] In some embodiments, the sealing structure 20a can be a cured-in-place gasket (CIPG) formed in situ on the flange portion 13, which can also be referred to as a cured-in-place grommet. During the formation of the sealing structure, a liquid material different from the material of the insulating shell is applied to the flange portion 13 and then cured, for example, by ultraviolet irradiation. The liquid material can have elasticity after curing. For example, a material such as liquid silicone can be applied to the flange portion 13. After the liquid material is cured in situ on the flange portion 13, a sealing structure 20a that is firmly combined with the flange portion 13 is formed. In a preferred embodiment, the liquid material can be automatically applied by an automated dispensing device, thereby improving production efficiency and saving labor costs.

[0077] like Fig.17 As shown in the figure, in some embodiments, the side of the flange portion 13 facing the mounting panel 30 may have a step portion 132 that is recessed relative to the axial surface 131, and the step portion 132 extends along the circumferential edge of the flange portion 13. The sealing structure 20a may be formed on the step portion 132. During the formation of the sealing structure, the step portion 132 may define a boundary for applying the liquid material, thereby defining the thickness of the sealing structure 20a after curing. In addition, the step portion 132 may increase the bonding area between the sealing structure 20a and the flange portion 13 to improve the firmness of the bonding.

[0078] exist Figures 1 to 21 In the illustrated embodiment, the insulating housing has three accommodating cavities to accommodate three terminals such as conductive terminals, signal terminals or ferrules.

[0079] exist Fig. 22In the illustrated embodiment, the insulating housing has four accommodating cavities to accommodate four terminals. In other embodiments not shown, the insulating housing may have one, two, five or more accommodating cavities to accommodate one, two, five or more terminals. In addition, the terminals may be arranged in a row or column, or may be arranged in multiple rows and columns, or in various other arrangement patterns.

[0080] An embodiment of another aspect of the present application provides a connector, which includes a housing assembly according to the present application and a terminal installed in an insulating housing of the housing assembly.

[0081] According to various embodiments of the present application, the housing assembly and the connector provided are provided with a seal on the outside of the insulating housing to seal the gap between the connector and the mounting panel of the electrical device, thereby preventing foreign matter and water from entering the electrical device and causing a malfunction. In addition, a retaining portion is provided on the insulating housing of the connector to prevent the seal from falling off the connector. Alternatively, the sealing structure located on the flange portion of the insulating housing is an integrated structure that is integrally formed with the flange portion and cannot be disassembled.

[0082] Those skilled in the art can understand that the embodiments described above are exemplary and can be improved by those skilled in the art. The structures described in various embodiments can be freely combined without causing conflicts in structure or principle.

[0083] The above embodiments are merely illustrative of the principles and structures of the present application, and are not intended to limit the present application. A person skilled in the art should understand that any changes and improvements made to the present application without departing from the overall concept of the present application are within the scope of the present application. The scope of protection of the present application shall be subject to the scope defined by the claims of the present application.

Claims

1. A housing assembly for a connector mounted on a mounting panel, characterized in that: The housing assembly comprises: An insulating housing (10) having an axially extending housing body (11) and a flange portion (13) extending radially outward from an outer wall of the housing body; and A sealing structure is fixedly held on a side of the flange portion (13) facing the mounting panel (30), and the sealing structure is elastic and configured to abut against the mounting panel to seal a gap between the insulating housing and the mounting panel.

2. The housing assembly according to claim 1, characterized in that: The sealing structure is a detachable sealing member formed independently of the insulating housing (10), and the sealing member is configured to surround at least a portion of the housing body (11) to be retained on the flange portion (13). The insulating housing (10) has a retaining portion, which is suitable for engaging with the sealing member to retain the sealing member on the insulating housing.

3. The housing assembly according to claim 2, characterized in that: The retaining portion extends axially from the flange portion (13) to engage the seal.

4. The housing assembly according to claim 3, characterized in that: The seal is adapted to abut against at least one axial surface (131) of the flange portion (13) facing the mounting panel (30), and The retaining portion protrudes from the axial surface (131).

5. The housing assembly according to claim 4, characterized in that: The retaining portion comprises a plurality of retaining portions in the form of columns protruding from the axial surface (131), A central portion (201) of the seal adapted to contact the axial surface (131) has an opening (202), and The retaining portion is adapted to be inserted into the opening (202) such that an inner edge of the opening frictionally contacts an outer surface of the retaining portion.

6. The housing assembly according to claim 5, characterized in that: The holding portion in the form of a column has a polygonal or circular cross section.

7. The housing assembly according to claim 5, characterized in that: The retaining portion in the form of a column protrudes beyond the axial surface (131) by a length greater than the thickness of the central portion (201) of the seal so that the retaining portion is inserted into the opening with its end positioned outside the opening (202).

8. The housing assembly according to any one of claims 5 to 7, characterized in that: Each retaining portion has an enlarged head (102) at the free end of the column (101), the enlarged head axially blocking the seal from leaving the retaining portion, The central portion (201) of the seal is adapted to be positioned between the enlarged head (102) and the axial surface (131).

9. The housing assembly according to claim 8, characterized in that: The enlarged head (102) has a portion protruding radially from the column (101), so that the cross-sectional area of ​​the enlarged head is larger than the cross-sectional area of ​​the opening (202) of the sealing member.

10. The housing assembly according to claim 8, characterized in that The column (101) has a quadrilateral cross section, and The enlarged head (102) extends radially outward from three side surfaces of the column (101) except for the side facing the housing body (11).

11. The housing assembly according to claim 8, characterized in that: The enlarged head (102) is formed to taper from a radially protruding portion thereof in a direction away from the flange portion (13).

12. The housing assembly according to claim 2, characterized in that: The retaining portion at least partially protrudes radially outward from the outer surface of the side wall of the housing body (11). The seal is configured to surround at least a portion of the housing body (11) to be mounted on the insulating housing (10), so that the seal is suitable for being held between the flange portion (13) and the retaining portion and abutting against the flange portion and the retaining portion.

13. The housing assembly according to claim 12, characterized in that: The retaining portion has a pressing portion (103) for pressing the sealing member, and the retaining portion is formed to gradually contract from the pressing portion in a direction away from the flange portion (13).

14. The housing assembly according to any one of claims 2-7 and 9-13, characterized in that: The seal has at least two lips on a surface facing the mounting panel (30), the at least two lips comprising: a first lip (203) formed circumferentially at an outer edge of the seal, and A second lip (204) is positioned spaced apart from the first lip (203).

15. The housing assembly according to any one of claims 2-7 and 9-13, characterized in that: The insulating housing (10) has at least one pair of clamping portions (14) extending from outer surfaces of two opposite side walls of the housing body (11) toward the flange portion (13), and the clamping portions (14) are configured to tightly clamp the mounting panel (30) between the sealing member and the clamping portions; and The height of the seal protruding from the axial surface (131) of the flange portion (13) is greater than the distance between the free end of the clamping portion (14) and the axial surface (131), so that the seal can be tightly and elastically abutted against the mounting panel (30).

16. The housing assembly according to claim 1, wherein: The sealing structure is an integrated structure that is integrally formed with the flange portion (13) and cannot be disassembled.

17. The housing assembly according to claim 16, characterized in that The side of the flange portion (13) facing the mounting panel (30) has a step portion (132) recessed relative to the axial surface (131), and the step portion extends along the circumferential edge of the flange portion, and The sealing structure is formed on the step portion (132).

18. The housing assembly according to claim 17, characterized in that The insulating housing (10) has at least one pair of clamping portions (14) extending from outer surfaces of two opposite side walls of the housing body (11) toward the flange portion (13), and the clamping portions (14) are configured to tightly clamp the mounting panel (30) between the sealing structure and the clamping portions; and The height of the sealing structure protruding from the axial surface (131) of the flange portion (13) is greater than the distance between the free end of the clamping portion (14) and the axial surface (131), so that the sealing structure can tightly and elastically abut against the mounting panel (30).

19. The housing assembly according to any one of claims 16 to 18, characterized in that The sealing structure is an in-situ cured sealing gasket formed on the flange portion (13) by in-situ curing.

20. A connector, characterized in that: The connector comprises a housing assembly according to any one of claims 1 to 19 and a terminal mounted in an insulating housing of the housing assembly.

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