Connector housing assembly, connector, and connector assembly

Abstract

To provide a connector housing assembly that is adopted to a fitting state having a large deviation, and can be simply and easily manufactured in a floating structure, a connector, and a connector assembly.SOLUTION: A connector housing assembly comprises: a housing containing a flange portion (10) formed by using a mounting hole (11); a coupling member that passes the mounting hole (11), and is used for coupling the flange portion (10) to a mounting panel (2); and a sealing ring that is provided to the flange portion (10) in order to realize a sealing between the flange portion (10) and the mounting panel (2). The seal ring is compressed axially between the flange portion (10) and the mounting panel (2), and the housing containing the flange portion (10) can be floated axially and radially to the mounting panel (2).SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of Chinese Patent Application No. CN202310799030.2, filed with the State Intellectual Property Office of China on June 30, 2023, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a connector housing assembly, a connector including the connector housing assembly, and a connector assembly including the connector. [Background technology]

[0003] In the prior art, the sealing structure of a connector is located between a flange portion of the housing and a mounting panel. The flange portion of the housing is locked to the mounting panel with bolts, and as a result, a sealing ring is compressed between the flange portion of the housing and the mounting panel, thereby performing the sealing function. This type of connector relies on slight float of the connector terminals to achieve mating with a small misalignment. Because the connector housing is fixed, if there is a large misalignment between the two connectors that need to be mated, the two connectors cannot be mated. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention has been made to overcome or mitigate at least one aspect of the above-mentioned disadvantages. [Means for solving the problem]

[0005] According to one aspect of the present invention, a connector housing assembly is provided. The connector housing assembly includes a housing including a flange portion formed with a mounting hole, a connecting member that passes through the mounting hole and is used to connect the flange portion to a mounting panel, and a sealing ring provided on the flange portion to achieve a seal between the flange portion and the mounting panel. When the flange portion is connected to the mounting panel, the sealing ring is axially compressed between the flange portion and the mounting panel, allowing the flange portion to move axially and radially relative to the connecting member, and therefore allowing the housing to float axially and radially relative to the mounting panel.

[0006] According to an exemplary embodiment of the present invention, the flange portion has a bottom surface facing the mounting panel, and the sealing ring protrudes from the bottom surface of the flange portion to a predetermined height to floatably support the housing on the mounting panel.

[0007] According to another exemplary embodiment of the present invention, when the flange portion is coupled to the mounting panel, a predetermined gap exists between the bottom surface of the flange portion and the top surface of the mounting panel so that the housing can float axially relative to the mounting panel.

[0008] According to another exemplary embodiment of the present invention, the connecting member includes a connecting portion located at one end of the connecting member and suitable for threaded connection with the nut, an operating portion located at the other end of the connecting member for operating the connecting member, and a shank located between the connecting portion and the operating portion. The shank is disposed in the mounting hole and has a diameter smaller than the inner diameter of the mounting hole, thereby allowing the flange portion to move radially relative to the connecting member.

[0009] According to another exemplary embodiment of the present invention, the connecting member further comprises a flange formed on the outer peripheral surface of the shaft portion adjacent to the connecting portion, the flange being adapted to be supported on the upper surface of the mounting panel for positioning the connecting member on the mounting panel.

[0010] According to another exemplary embodiment of the present invention, the diameter of the flange is smaller than the inner diameter of the mounting hole to allow the flange to pass through the mounting hole, and the diameter of the operating portion is larger than the inner diameter of the mounting hole to prevent the operating portion from passing through the mounting hole.

[0011] According to another exemplary embodiment of the present invention, the shaft portion extends from the bottom surface of the flange to the bottom surface of the operating portion, and the axial length of the shaft portion is longer than the thickness of the flange portion, thereby allowing the flange portion to move axially relative to the connecting member.

[0012] According to another exemplary embodiment of the present invention, the connector housing assembly further includes a spring member located in the gap between the shaft portion and the mounting hole to position the centerline of the mounting hole so that the centerline of the mounting hole coincides with the centerline of the coupling member.

[0013] According to another exemplary embodiment of the present invention, the spring member includes a cylindrical body fitted onto the shaft portion and having its upper and lower ends contacting the operating portion and the flange, respectively, and an elastic portion connected to the lower end of the cylindrical body and abutting the inside of the mounting hole.

[0014] According to another exemplary embodiment of the present invention, the elastic portion of the spring member is horn-shaped and opens upward.

[0015] According to another exemplary embodiment of the present invention, a plurality of mounting holes are formed in the flange portion, and the connector housing assembly includes a plurality of connecting members and a plurality of spring members respectively disposed in the plurality of mounting holes, and a step is formed inside the mounting holes, and the upper end of the elastic portion contacts the support surface of the step to ensure that the flange portion is horizontally oriented perpendicular to the axial direction of the connecting members.

[0016] According to another exemplary embodiment of the present invention, a sealing ring installation groove is formed on the bottom surface of the flange portion, and the sealing ring is installed in the sealing ring installation groove.

[0017] According to another aspect of the present invention, there is provided a connector comprising the connector housing assembly described above and terminals mounted in the housing.

[0018] According to another aspect of the present invention, there is provided a connector assembly comprising the connector described above and a mounting panel on which the housing of the connector is floatably mounted.

[0019] According to another exemplary embodiment of the present invention, the connector assembly further comprises a nut that threadably engages the coupling member of the connector to fasten the connector to the mounting panel.

[0020] According to an exemplary embodiment of the present invention, a mating hole is formed in the mounting panel, one end of a nut is placed in the mating hole, and the cross-sectional area of ​​the mating hole and one end of the nut forms a regular polygon to prevent the nut from rotating relative to the mounting panel.

[0021] According to another exemplary embodiment of the present invention, a plurality of positioning recesses are formed on the edge of the flange portion of the housing, and a plurality of positioning protrusions are formed on the mounting panel that respectively align with the plurality of positioning recesses to position the housing.

[0022] According to another exemplary embodiment of the present invention, an insertion hole is formed in the flange portion of the housing and a pin is formed in the mounting panel, which cooperates with the insertion hole to securely install the housing on the mounting panel in the correct orientation.

[0023] According to another exemplary embodiment of the present invention, an opening is formed in the mounting panel for communication with the inner cavity of the housing, and the sealing ring of the connector surrounds the opening.

[0024] According to another exemplary embodiment of the present invention, the connector assembly further includes a mating connector, a portion of which is inserted into the housing of the connector through the opening in the mounting panel to mate with the connector.

[0025] In the above-described exemplary embodiment of the present invention, the housing of the connector can float relative to the mounting panel. Therefore, the present invention is suitable for mating with large misalignment, and the floating structure of the present invention is simple and easy to manufacture.

[0026] These and other features of the present invention will become more apparent from the detailed description of illustrative embodiments thereof, which proceeds with reference to the accompanying drawings. [Brief explanation of the drawings]

[0027] [Figure 1] 1 is an exemplary perspective view of a connector assembly according to an exemplary embodiment of the present invention; [Figure 2] 1 is an exemplary exploded view of a connector assembly according to an exemplary embodiment of the present invention. [Figure 3] 1 is an exemplary perspective view of a connector housing assembly according to an exemplary embodiment of the present invention, as viewed from the bottom. [Figure 4] 1 is an exemplary exploded view of a connector housing assembly according to an exemplary embodiment of the present invention. [Figure 5] 10 is a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention, wherein a coupling member couples with a nut. [Figure 6] FIG. 6 is a partially enlarged cross-sectional view of the connector assembly shown in FIG. 5. [Figure 7] 10 is a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention, in which one coupling member has not yet coupled with a nut. [Figure 8] FIG. 8 is a partially enlarged cross-sectional view of the connector assembly shown in FIG. 7. [Figure 9] 1 is a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention showing a sealing ring. DETAILED DESCRIPTION OF THE INVENTION

[0028] Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings, where like reference numerals refer to like elements. However, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0029] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form to simplify the drawings.

[0030] According to a general aspect of the present invention, there is provided a connector housing assembly comprising a housing including a flange portion formed with a mounting hole, a connecting member passing through the mounting hole and used to connect the flange portion to a mounting panel, and a sealing ring provided on the flange portion to provide a seal between the flange portion and the mounting panel. When the flange portion is connected to the mounting panel, the sealing ring is axially compressed between the flange portion and the mounting panel, allowing the flange portion to move axially and radially relative to the connecting member, and therefore allowing the housing to float axially and radially relative to the mounting panel.

[0031] In accordance with another general aspect of the present invention, there is provided a connector comprising the connector housing assembly described above and terminals mounted in the housing.

[0032] According to another general aspect of the present invention, there is provided a connector assembly comprising the connector described above and a mounting panel on which the housing of the connector is floatably mounted.

[0033] Figure 1 shows an exemplary perspective view of a connector assembly according to an exemplary embodiment of the present invention. Figure 2 shows an exemplary exploded view of a connector assembly according to an exemplary embodiment of the present invention. Figure 3 shows an exemplary perspective view of a connector housing assembly according to an exemplary embodiment of the present invention, as viewed from the bottom. Figure 4 shows an exemplary exploded view of a connector housing assembly according to an exemplary embodiment of the present invention.

[0034] As shown in Figures 1 to 4, a connector housing assembly is disclosed in an exemplary embodiment of the present invention. The connector housing assembly mainly includes a housing 1, a connecting member 3, and a sealing ring 5. The housing 1 includes a flange portion 10 formed with a mounting hole 11. The connecting member 3 passes through the mounting hole 11 of the flange portion 10 and connects the flange portion 10 to a mounting panel 2. The sealing ring 5 is disposed on the flange portion 10 to achieve sealing between the flange portion 10 and the mounting panel 2.

[0035] Figure 5 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention, with a coupling member 3 coupled with a nut 4. Figure 6 shows a partially enlarged cross-sectional view of the connector assembly shown in Figure 5. Figure 7 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention, with one coupling member 3 not yet coupled with a nut 4. Figure 8 shows a partially enlarged cross-sectional view of the connector assembly shown in Figure 7. Figure 9 shows a cross-sectional view of a connector assembly according to an exemplary embodiment of the present invention, with a sealing ring 5 shown.

[0036] As shown in Figures 1 to 9, in the illustrated embodiment, when the flange portion 10 of the housing 1 is connected to the mounting panel 2 by the connecting member 3, the sealing ring 5 is compressed in the axial direction between the flange portion 10 and the mounting panel 2, and the flange portion 10 can move axially and radially relative to the connecting member 3, and therefore the housing 1 can float axially and radially relative to the mounting panel 2.

[0037] 1 to 9, in the illustrated embodiment, the flange portion 10 has a bottom surface 10c facing the mounting panel 2. The sealing ring 5 protrudes from the bottom surface 10c of the flange portion 10 to a predetermined height so that the housing 1 floats on the mounting panel 2.

[0038] As shown in Figures 1 to 9, in the illustrated embodiment, when the flange portion 10 is connected to the mounting panel 2, a predetermined gap exists between the bottom surface 10c of the flange portion 10 and the upper surface of the mounting panel 2 so that the housing 1 can float axially relative to the mounting panel 2.

[0039] 1 to 9 , in the illustrated embodiment, when the housing 1 floats in the axial direction relative to the mounting panel 2, the sealing ring 5 elastically deforms along the axial direction of the connecting member 3. When the housing 1 floats in the radial direction relative to the mounting panel 2, the sealing ring 5 slides on the upper surface of the mounting panel 2 along the radial direction of the connecting member 3, thereby realizing the radial floating of the housing 1.

[0040] As shown in FIGS. 1 to 9 , in the illustrated embodiment, the connecting member 3 mainly includes a connecting portion 31, an operating portion 34, and a shaft portion 33. The connecting portion 31 is located at one end of the connecting member 3 and is suitable for threaded connection with the nut 4. The operating portion 34 is located at the other end of the connecting member 3 and is used to operate the connecting member 3, for example, by rotating the connecting member 3 and threading it onto the nut 4. The shaft portion 33 is located between the connecting portion 31 and the operating portion 34. The shaft portion 33 is located in the mounting hole 11 of the flange portion 10, and the diameter of the shaft portion 33 is smaller than the inner diameter of the mounting hole 11. Therefore, the radial gap between the shaft portion 33 and the mounting hole 11 allows the flange portion 10 to move radially relative to the connecting member 3, thereby allowing the housing 1 to float radially relative to the mounting panel 2.

[0041] 1 to 9 , in the illustrated embodiment, the connecting member 3 further includes a flange 32 formed on the outer circumferential surface of the shaft portion 33 and adjacent to the connecting portion 31. The flange 32 is adapted to be supported on the upper surface of the mounting panel 2 in order to position the connecting member 3 on the mounting panel 2.

[0042] 1 to 9 , in the illustrated embodiment, the diameter of the flange 32 of the connecting member 3 is smaller than the inner diameter of the mounting hole 11 so that the flange 32 can pass through the mounting hole 11. The diameter of the operating portion 34 of the connecting member 3 is larger than the inner diameter of the mounting hole 11 so as to prevent the operating portion 34 from passing through the mounting hole 11.

[0043] As shown in Figures 1 to 9, in the illustrated embodiment, the shaft portion 33 of the connecting member 3 extends from the bottom surface of the flange 32 to the bottom surface of the operating portion 34, and the axial length of the shaft portion 33 is longer than the thickness of the flange portion 10, so that the flange portion 10 can move axially relative to the connecting member 3.

[0044] 1 to 9 , in the illustrated embodiment, the connector housing assembly further includes a spring member 6. The spring member 6 is located in the gap between the shaft portion 33 and the mounting hole 11 to position the center line of the mounting hole 11 so that the center line of the mounting hole 11 coincides with the center line of the connecting member 3. In the illustrated embodiment, when the connecting member 3 is connected to the nut 4, the connecting member 3 is fixed and does not move. At this time, the spring member 6 presses the housing 1 to align the center line of the mounting hole 11 with the center line of the connecting member 3.

[0045] 1 to 9 , in the illustrated embodiment, the spring member 6 includes a cylindrical main body 61 and an elastic portion 62. The cylindrical main body 61 is attached to the shaft portion 33, and its upper and lower ends are pressed against the operating portion 34 and the flange 32, respectively. The elastic portion 62 is connected to the lower end of the cylindrical main body 61 and abuts against the inside of the mounting hole 11.

[0046] 1 to 9, in the illustrated embodiment, the elastic portion 62 of the spring member 6 has a trumpet shape that opens upward. However, the present invention is not limited thereto, and the elastic portion 62 may also have other suitable shapes.

[0047] 1 to 9, in the illustrated embodiment, a plurality of mounting holes 11 are formed in the flange portion 10, for example, one mounting hole 11 is formed in each of the four corners of the flange portion 10. The connector housing assembly includes a plurality of connecting members 3 and a plurality of spring members 6 that are respectively disposed in the plurality of mounting holes 11. A step 11a is formed inside the mounting hole 11. The upper ends of the elastic portions 62 of the spring members 6 contact the support surface of the step 11a to ensure that the flange portion 10 is horizontally oriented perpendicular to the axial direction of the connecting members 3. This prevents the connector housing 1 from tilting during mating with a mating connector.

[0048] As shown in Figures 1 to 9, in the illustrated embodiment, a sealing ring installation groove 12 is formed in the bottom surface of the flange portion 10, the sealing ring 5 is installed in the sealing ring installation groove 12, and the sealing ring 5 protrudes by a predetermined height from the bottom surface 10c of the flange portion 10.

[0049] 1 to 9, another exemplary embodiment of the present invention also discloses a connector. The connector mainly includes the connector housing assembly described above and terminals (not shown). The terminals are installed in the housing 1.

[0050] 1 to 9, in another exemplary embodiment of the present invention, a connector assembly is also disclosed in the illustrated embodiment. The connector assembly mainly includes the above-mentioned connector and a mounting panel 2. As described above, the housing 1 of the connector is installed on the mounting panel 2 so as to be able to float.

[0051] As shown in FIGS. 1 to 9, in the illustrated embodiment, the connector assembly further comprises a nut 4 that threadably engages with the coupling member 3 of the connector to fasten the coupling member 3 to the mounting panel 2.

[0052] 1 to 9 , in the illustrated embodiment, a fitting hole 21 is formed in a mounting panel 2. One end 41 of a nut 4 is installed in the fitting hole 21. The cross sections of the fitting hole 21 in the mounting panel 2 and the one end 41 of the nut 4 form a regular polygon to prevent the nut 4 from rotating relative to the mounting panel 2.

[0053] 1 to 9, in the illustrated embodiment, a plurality of positioning recesses 10a are formed on the edge of the flange portion 10 of the housing 1. A plurality of positioning protrusions 2a that align with the plurality of positioning recesses 10a to position the housing 1 are formed on the mounting panel 2.

[0054] 1-9, in the illustrated embodiment, insertion holes 10b are formed in the flange portion 10 of the housing 1, and pins 2b are formed in the mounting panel 2. The pins 2b are used to fit into the insertion holes 10b and ensure that the housing 1 is installed in the correct orientation on the mounting panel 2. In the illustrated embodiment, when the housing 1 is installed in the wrong orientation, the insertion holes 10b of the housing 1 will not align with the pins 2b of the mounting panel 2, and as a result, the housing 1 cannot be installed on the mounting panel 2.

[0055] As shown in Figures 1 to 9, in the illustrated embodiment, an opening 201 for communication with the interior cavity of the housing 1 is formed in the mounting panel 2, and the sealing ring 5 of the connector surrounds the opening 201.

[0056] 9, in the illustrated embodiment, the sealing ring 5 causes the flange portion 10 to float on the mounting panel 2, allowing the flange portion 10 to float in the axial direction. That is, by compressing the sealing ring 5 in the axial direction, the gap between the flange portion 10 and the mounting panel 2 may be changed.

[0057] As shown in Figures 6 and 8, in the illustrated embodiment, the diameter of the mounting hole 11 in the flange portion 10 is larger than the diameter of the shaft portion 33 of the connecting member 3, resulting in a radial gap between the shaft portion 33 of the connecting member 3 and the mounting hole 11 in the flange portion 10, allowing the flange portion 10 to move radially.

[0058] 6 and 8, in the illustrated embodiment, the spring member 6 is provided in the gap between the shaft portion 33 and the mounting hole 11. The elastic portion 62 of the spring member 6 is used to support the flange portion 10 in the radial direction, so that the flange portion 10 can float in the radial direction.

[0059] As shown in Figures 1 to 9, in the illustrated embodiment, the connector assembly further includes a mating connector (not shown), a portion of which is inserted into the connector housing 1 through the opening 201 in the mounting panel 2 to mate with the connector.

[0060] It will be understood by those skilled in the art that the above embodiments are intended to be illustrative and not restrictive. For example, many modifications may be made to the above embodiments by those skilled in the art, and various features described in various embodiments may be freely combined with each other without conflicting in structure or principle.

[0061] While several exemplary embodiments have been shown and described, it will be understood by those skilled in the art that various changes or modifications may be made to these embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the claims and their equivalents.

[0062] As used herein, elements described in the singular and followed by the word "a" or "an" should be understood not to exclude a plurality of such elements or steps, unless such exclusion is expressly stated. Furthermore, references to "one embodiment" of the invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Also, unless expressly stated otherwise, embodiments "comprising" or "having" an element or elements having a particular characteristic may include such additional elements that do not have that characteristic.

Claims

1. A housing (1) including a flange portion (10) formed with a mounting hole (11); a connecting member (3) that passes through the mounting hole (11) and is used to connect the flange portion (10) to a mounting panel (2); a sealing ring (5) provided on the flange portion (10) for realizing a seal between the flange portion (10) and the mounting panel (2); When the flange portion (10) is connected to the mounting panel (2), the sealing ring (5) is axially compressed between the flange portion (10) and the mounting panel (2), and the flange portion (10) can move axially and radially relative to the connecting member (3), and therefore the housing (1) can float axially and radially relative to the mounting panel (2). Connector housing assembly.

2. 2. The connector housing assembly of claim 1, wherein the flange portion (10) has a bottom surface (10c) facing the mounting panel (2), and the sealing ring (5) protrudes to a predetermined height from the bottom surface (10c) of the flange portion (10) to floatably support the housing (1) on the mounting panel (2).

3. 2. The connector housing assembly of claim 1, wherein when the flange portion (10) is connected to the mounting panel (2), a predetermined gap exists between a bottom surface (10c) of the flange portion (10) and an upper surface of the mounting panel (2) so that the housing (1) can float axially relative to the mounting panel (2).

4. The connecting member (3) is a connecting portion (31) located at one end of the connecting member (3) and suitable for threaded connection with a nut (4); an operating portion (34) located at the other end of the connecting member (3) for operating the connecting member (3); a shaft portion (33) located between the connecting portion (31) and the operating portion (34), 2. The connector housing assembly of claim 1, wherein the shaft portion (33) is provided in the mounting hole (11), and the diameter of the shaft portion (33) is smaller than the inner diameter of the mounting hole (11), so that the flange portion (10) can move radially relative to the connecting member (3).

5. The connecting member (3) is The shaft portion (33) further includes a flange (32) formed on an outer circumferential surface thereof and adjacent to the connecting portion (31), 5. The connector housing assembly of claim 4, wherein the flange (32) is adapted to be supported on an upper surface of the mounting panel (2) for positioning the connecting member (3) on the mounting panel (2).

6. The diameter of the flange (32) is smaller than the inner diameter of the mounting hole (11) so that the flange (32) can pass through the mounting hole (11); 6. The connector housing assembly of claim 5, wherein a diameter of the operating portion (34) is larger than the inner diameter of the mounting hole (11) to prevent the operating portion (34) from passing through the mounting hole (11).

7. 6. The connector housing assembly of claim 5, wherein the shaft portion (33) extends from a bottom surface of the flange (32) to a bottom surface of the operating portion (34), and the axial length of the shaft portion (33) is longer than a thickness of the flange portion (10), thereby allowing the flange portion (10) to move axially relative to the connecting member (3).

8. 6. The connector housing assembly of claim 5, further comprising a spring member (6) positioned in the gap between the shaft portion (33) and the mounting hole (11) to position the center line of the mounting hole (11) so that the center line of the mounting hole (11) coincides with the center line of the connecting member (3).

9. The spring member (6) is a cylindrical main body (61) fitted onto the shaft portion (33), the upper end and the lower end of which are in contact with the operating portion (34) and the flange (32), respectively; 9. The connector housing assembly according to claim 8, further comprising: an elastic portion (62) connected to the lower end of the cylindrical body (61) and abutting against the inside of the mounting hole (11).

10. 10. The connector housing assembly according to claim 9, wherein said elastic portion (62) of said spring member (6) is shaped like a trumpet opening upward.

11. A plurality of mounting holes (11) are formed in the flange portion (10), and the connector housing assembly includes a plurality of connecting members (3) and a plurality of spring members (6) that are respectively disposed in the plurality of mounting holes (11), 10. The connector housing assembly of claim 9, wherein a step (11a) is formed on the inside of the mounting hole (11), and an upper end of the elastic portion (62) contacts a support surface of the step (11a) to ensure that the flange portion (10) is horizontally oriented perpendicular to the axial direction of the connecting member (3).

12. 2. The connector housing assembly according to claim 1, wherein a sealing ring mounting groove (12) is formed in a bottom surface of said flange portion (10), and said sealing ring (5) is mounted in said sealing ring mounting groove (12).

13. The connector housing assembly according to any one of claims 1 to 12; A connector comprising: a terminal disposed in the housing (1).

14. The connector of claim 13; a mounting panel (2) on which the housing (1) of the connector is floatably mounted.

15. 15. The connector assembly of claim 14, further comprising a nut (4) which threadably engages with the coupling member (3) of the connector for fastening the connector (3) to the mounting panel (2).

16. A fitting hole (21) is formed in the mounting panel (2), and one end (41) of the nut (4) is installed in the fitting hole (21); 16. The connector assembly of claim 15, wherein the cross-sectional area of ​​the mating hole (21) and one end (41) of the nut (4) form a regular polygon to prevent the nut (4) from rotating relative to the mounting panel (2).

17. 15. The connector assembly of claim 14, wherein a plurality of positioning recesses (10a) are formed on an edge of the flange portion (10) of the housing (1), and a plurality of positioning protrusions (2a) are formed on the mounting panel (2) that respectively align with the plurality of positioning recesses (10a) to position the housing (1).

18. 15. The connector assembly of claim 14, wherein an insertion hole (10b) is formed in the flange portion (10) of the housing (1) and a pin (2b) is formed in the mounting panel (2), the pin (2b) cooperating with the insertion hole (10b) to reliably install the housing (1) on the mounting panel (2) in a correct orientation.

19. 15. The connector assembly according to claim 14, wherein an opening (201) for communicating with an internal cavity of the housing (1) is formed in the mounting panel (2), and the sealing ring (5) of the connector surrounds the opening (201).

20. 20. The connector assembly of claim 19, further comprising a mating connector, a portion of which is inserted into the housing (1) of the connector through the opening (201) of the mounting panel (2) to mate with the connector.

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