Connector housing and connector

Abstract

The utility model discloses a connector housing and a connector. The connector housing includes: a housing main body formed with a plurality of jacks extending longitudinally and arranged in a row in a transverse direction; the two clamping grooves are formed in the top and the bottom of the shell body respectively and extend in the transverse direction. And the two buckles are respectively positioned at the top and the bottom of the shell main body. Every two adjacent jacks are located in the first direction and the second direction respectively, and the first direction is rotated by 180 degrees relative to the second direction. The clamping groove in the top of the shell body is communicated with the inserting hole in the first direction but not communicated with the inserting hole in the second direction, and the clamping groove in the bottom of the shell body is communicated with the inserting hole in the second direction but not communicated with the inserting hole in the first direction. The two buckles are suitable for being connected with the two clamping grooves respectively and used for locking the terminal inserted into the insertion hole. According to the utility model, the two adjacent jacks on the shell main body are located in different directions and are not communicated by the same clamping groove, so that the creepage distance between the two adjacent jacks is increased, and the electrical performance of the connector is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of connector housing and the connector comprising the connector housing. BACKGROUND

[0002] In the prior art, a connector usually includes a housing and a plurality of terminals. A plurality of receptacles are formed in the housing in a row, and the plurality of terminals are respectively inserted into the plurality of receptacles. In order to reliably lock the terminals in the receptacles of the housing, a clamping groove communicating with the plurality of receptacles and a clamping buckle (or referred to as secondary lock) adapted to engage with the clamping groove are usually formed on the housing. When the clamping buckle engages with the clamping groove, the clamping buckle axially abuts on the plurality of terminals inserted into the plurality of receptacles, so as to simultaneously lock the plurality of terminals in the plurality of receptacles to prevent the terminals from being pulled out of the receptacles. In the prior art, the clamping groove extends along the transverse direction of the housing and communicates with all the receptacles, which results in a short creepage distance between two adjacent receptacles and cannot meet the specified electrical performance. SUMMARY

[0003] The utility model aims to solve at least one aspect of the above problems and defects in the prior art.

[0004] According to one aspect of the utility model, a connector housing is provided. The connector housing includes a housing body formed with a plurality of receptacles extending along a longitudinal direction thereof and arranged in a row in a transverse direction thereof; two clamping grooves respectively formed on a top and a bottom of the housing body and extending along the transverse direction; and two clamping buckles respectively located on the top and the bottom of the housing body and connected to the top and the bottom of the housing body, respectively. One of two adjacent receptacles is in a first orientation, and the other is in a second orientation, and the first orientation is rotated 180 degrees relative to the second orientation. The clamping groove on the top of the housing body communicates with the receptacle in the first orientation but not with the receptacle in the second orientation, and the clamping buckle on the top of the housing body is adapted to engage with the clamping groove on the top of the housing body for locking the terminal inserted into the receptacle in the first orientation. The clamping groove on the bottom of the housing body communicates with the receptacle in the second orientation but not with the receptacle in the first orientation, and the clamping buckle on the bottom of the housing body is adapted to engage with the clamping groove on the bottom of the housing body for locking the terminal inserted into the receptacle in the second orientation.

[0005] According to one exemplary embodiment of the utility model, the clamping buckle is adapted to move between a locking position for locking the terminal and an unlocking position for disengaging from the terminal, and the clamping groove is used for engaging with the clamping buckle to keep the clamping buckle in the locking position.

[0006] According to another exemplary embodiment of the present application, the clip includes a cantilevered arm having a root connected to the housing body and a hook formed on a distal end of the cantilevered arm and adapted to engage the slot. When the clip is in the locked position, the hook engages the slot and is adapted to abut against an inserted terminal to lock the terminal in the receptacle. When the clip is in the unlocked position, the hook disengages the slot and the terminal inserted in the receptacle to allow the terminal to be pulled out of the receptacle.

[0007] According to another exemplary embodiment of the present application, the housing body has a front end and a rear end opposite to each other in a longitudinal direction of the housing body, and the root of the cantilevered arm is connected to the rear end of the housing body.

[0008] According to another exemplary embodiment of the present application, the receptacle has a front port and a rear port opposite to each other in a longitudinal direction of the housing body, and the terminal is inserted from the rear port of the receptacle and the mating terminal is inserted from the front port of the receptacle.

[0009] According to another exemplary embodiment of the present application, the front ports of the plurality of receptacles are identical in size, shape and orientation and arranged in a row in a transverse direction of the housing body to allow a row of mating terminals to be inserted into the housing body simultaneously.

[0010] According to another exemplary embodiment of the present application, the front port of the receptacle is circular or a centrally-symmetrical regular polygon, and a cross section of a portion of the receptacle other than the front port is an asymmetrical polygon.

[0011] According to another exemplary embodiment of the present application, a receiving cavity is formed in the rear end of the housing body and communicates with the rear ports of the plurality of receptacles, and the receiving cavity is used to mount an elastic sealing member.

[0012] According to another exemplary embodiment of the present application, a protrusion is formed on an outer side of the rear end of the housing body, and the protrusion is used to engage a slot hole on a rear end cover to lock the rear end cover to the rear end of the housing body.

[0013] According to another exemplary embodiment of the present application, a sealing ring mounting groove is formed on an outer side of the housing body and is located rearward of the clip and spaced apart from the slot in a longitudinal direction of the housing body.

[0014] According to another exemplary embodiment of the present application, the connector housing is an integral injection molding part.

[0015] According to another aspect of the present application, a connector is provided. The connector includes: the aforementioned connector housing; and a plurality of terminals respectively inserted into a plurality of receptacles of the connector housing. One of two adjacent terminals is inserted into a receptacle of a first orientation in a first orientation, and the other is inserted into a receptacle of a second orientation in a second orientation.

[0016] According to an exemplary embodiment of the present application, the receptacle has a front port and a rear port opposite in a longitudinal direction of the connector housing, and the terminal is inserted from the rear port of the receptacle and adapted to be mated with a mating terminal inserted from the front port of the receptacle.

[0017] According to another exemplary embodiment of the present application, the connector further includes: a plurality of cables respectively electrically connected to rear ends of the plurality of terminals, the plurality of cables being led out from a rear end of the housing main body.

[0018] According to another exemplary embodiment of the present application, the connector further includes: an elastic seal member installed in a receiving cavity of the rear end of the housing main body. A plurality of through holes allowing the plurality of cables to pass through the plurality of through holes, respectively, are formed on the elastic seal member, and the elastic seal member is pressed between the cables and the housing main body to achieve sealing therebetween.

[0019] According to another exemplary embodiment of the present application, the connector further includes: a rear end cover installed on the rear end of the housing main body. Cable holes allowing the plurality of cables to pass through the cable holes, respectively, are formed on the rear end cover.

[0020] According to another exemplary embodiment of the present application, a slot hole is formed on the rear end cover, and the slot hole is engaged with a protrusion on the rear end of the housing main body to lock the rear end cover to the rear end of the housing main body.

[0021] According to another exemplary embodiment of the present application, the connector further includes: a sealing ring installed in a sealing ring installation slot of the housing main body. The housing main body is adapted to be inserted into an installation hole of an installation panel, and the sealing ring is adapted to be pressed between the housing main body and an inner wall surface of the installation hole to achieve sealing therebetween.

[0022] In the aforementioned exemplary embodiments of the present application, two adjacent receptacles on the housing main body are in different orientations and are not communicated by a same card slot, so that the two adjacent receptacles are not communicated, thereby greatly increasing a creepage distance between the two adjacent receptacles and improving electrical performance of the connector.

[0023] Other objects and advantages of the present application will be readily apparent from the following detailed description of the application, taken in conjunction with the accompanying drawings, and the foregoing and other objects and advantages of the application will be readily apparent to those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 FIG. 1 shows a perspective view of a connector housing according to an exemplary embodiment of the present application;

[0025] Figure 2 FIG. 2 shows a side view of a connector housing according to an exemplary embodiment of the present application, wherein the catch is in an unlocked position disengaged from the catch slot;

[0026] Figure 3 FIG. 3 shows a side view of a connector housing according to an exemplary embodiment of the present application, wherein the catch is in a locked position engaged with the catch slot;

[0027] Figure 4 FIG. 4 shows a transverse cross-sectional view of a connector housing according to an exemplary embodiment of the present application;

[0028] Figure 5 FIG. 5 shows a longitudinal cross-sectional view of a connector housing according to an exemplary embodiment of the present application;

[0029] Figure 6 FIG. 6 shows a perspective view of a connector according to an exemplary embodiment of the present application, as viewed from the front end;

[0030] Figure 7 FIG. 7 shows a perspective view of a connector according to an exemplary embodiment of the present application;

[0031] Figure 8 FIG. 8 shows a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present application;

[0032] Figure 9 FIG. 9 shows an exploded view of a connector according to an exemplary embodiment of the present application. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be further described in detail below, with reference to the embodiments and the accompanying drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the accompanying drawings is intended to explain the general inventive concept of the present application, and should not be construed as a limitation of the present application.

[0034] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the accompanying drawings.

[0035] According to one general inventive concept, a connector housing is provided. The connector housing includes: a housing main body formed with a plurality of receptacles extending in a longitudinal direction thereof and arranged in a row in a lateral direction thereof; two clamping grooves respectively formed on a top and a bottom of the housing main body and extending in the lateral direction; and two clamping buckles respectively located on the top and the bottom of the housing main body and connected to the top and the bottom of the housing main body, respectively. One of the two adjacent receptacles is in a first orientation, and the other is in a second orientation, and the first orientation is rotated 180 degrees with respect to the second orientation. The clamping groove on the top of the housing main body is in communication with the receptacle in the first orientation but not in communication with the receptacle in the second orientation, and the clamping buckle on the top of the housing main body is adapted to engage with the clamping groove on the top of the housing main body for locking the terminal inserted into the receptacle in the first orientation. The clamping groove on the bottom of the housing main body is in communication with the receptacle in the second orientation but not in communication with the receptacle in the first orientation, and the clamping buckle on the bottom of the housing main body is adapted to engage with the clamping groove on the bottom of the housing main body for locking the terminal inserted into the receptacle in the second orientation.

[0036] According to another general inventive concept, a connector is provided. The connector includes: the aforementioned connector housing; and a plurality of terminals respectively inserted into the plurality of receptacles of the connector housing. One of the two adjacent terminals is inserted into the receptacle in the first orientation, and the other is inserted into the receptacle in the second orientation.

[0037] Figure 1 A perspective view of the connector housing 1 according to one exemplary embodiment of the present application is shown; Figure 2 A side view of the connector housing 1 according to one exemplary embodiment of the present application is shown, in which the clamping buckle 13 is in an unlocked position disengaged from the clamping groove 12; Figure 3 A side view of the connector housing 1 according to one exemplary embodiment of the present application is shown, in which the clamping buckle 13 is in a locked position engaged with the clamping groove 12; Figure 4 A lateral cross-sectional view of the connector housing 1 according to one exemplary embodiment of the present application is shown; Figure 5 A longitudinal cross-sectional view of the connector housing 1 according to one exemplary embodiment of the present application is shown; Figure 6 A perspective view of the connector housing 1 according to one exemplary embodiment of the present application is shown, as viewed from the front end.

[0038] As Figures 1 to 6As shown in an exemplary embodiment of the present application, a connector housing 1 is disclosed. The connector housing 1 includes a housing body 10, two clamping grooves 12 and two clamping tabs 13. A plurality of receptacles 11 are formed in the housing body 10 and extend in a longitudinal direction Y thereof and are arranged in a row in a lateral direction X thereof. The housing body 10 has a top portion and a bottom portion opposite in a height direction Z thereof. The two clamping grooves 12 are formed in the top portion and the bottom portion of the housing body 10 and extend in the lateral direction X. The two clamping tabs 13 are located in the top portion and the bottom portion of the housing body 10 and are connected to the top portion and the bottom portion of the housing body 10, respectively. One of the two adjacent receptacles 11 is in a first orientation and the other is in a second orientation, and the first orientation is rotated 180 degrees with respect to the second orientation. The clamping groove 12 in the top portion of the housing body 10 is in communication with the receptacle 11 in the first orientation but not in communication with the receptacle 11 in the second orientation, and the clamping tab 13 in the top portion of the housing body 10 is adapted to engage with the clamping groove 12 in the top portion of the housing body 10 for locking a terminal (not shown) inserted into the receptacle 11 in the first orientation. The clamping groove 12 in the bottom portion of the housing body 10 is in communication with the receptacle 11 in the second orientation but not in communication with the receptacle 11 in the first orientation, and the clamping tab 13 in the bottom portion of the housing body 10 is adapted to engage with the clamping groove 12 in the bottom portion of the housing body 10 for locking a terminal (not shown) inserted into the receptacle 11 in the second orientation.

[0039] As Figures 1 to 6 shown in the illustrated embodiment, the clamping tab 13 is adapted to move between a locking position for locking the terminal and an unlocking position for disengaging from the terminal, and the clamping groove 12 is for engaging with the clamping tab 13 to retain the clamping tab 13 in the locking position.

[0040] As Figures 1 to 6 shown in the illustrated embodiment, the clamping tab 13 includes a cantilever arm 130 and a clamping hook 131. The root of the cantilever arm 130 is connected to the housing body 10. The clamping hook 131 is formed on the end of the cantilever arm 130 and is adapted to engage with the clamping groove 12. When the clamping tab 13 is in the locking position, the clamping hook 131 engages with the clamping groove 12 and is adapted to abut against the inserted terminal to lock the terminal in the receptacle 11. When the clamping tab 13 is in the unlocking position, the clamping hook 131 disengages from the clamping groove 12 and the terminal inserted into the receptacle 11 to allow the terminal to be pulled out of the receptacle 11.

[0041] As Figures 1 to 6 shown in the illustrated embodiment, the housing body 10 has a front end and a rear end opposite in the longitudinal direction Y thereof, and the root of the cantilever arm 130 is connected to the rear end of the housing body 10.

[0042] As Figures 1 to 6 shown in the illustrated embodiment, the receptacle 11 has a front port 11a and a rear port 11b opposite in the longitudinal direction Y of the housing body 10, and the terminal is inserted from the rear port 11b of the receptacle 11, and a mating terminal (not shown) mating with the terminal is inserted from the front port 11a of the receptacle 11.

[0043] As Figures 1 to 6 shown in the illustrated embodiment, the front ports 11a of the plurality of receptacles 11 are identical in size, shape and orientation and are aligned in a row in the lateral direction X of the housing body 10 to allow simultaneous insertion of a row of mating terminals into the housing body 10.

[0044] As Figures 1 to 6 shown in the illustrated embodiment, the front ports 11a of the receptacles 11 are circular or centrosymmetric regular polygons (e.g., squares), and the cross-section of the portion of the receptacle 11 other than the front port 11a is an asymmetric polygon.

[0045] Figure 7 a perspective view of a connector according to an exemplary embodiment of the present application is shown; Figure 8 a longitudinal sectional view of a connector according to an exemplary embodiment of the present application is shown; Figure 9 an exploded view of a connector according to an exemplary embodiment of the present application is shown.

[0046] As Figures 1 to 9 shown in the illustrated embodiment, a receiving cavity 15 is formed in the rear end of the housing body 10 to communicate with the rear ports 11b of the plurality of receptacles 11, and the receiving cavity 15 is used to mount the elastic seal 2.

[0047] As Figures 1 to 9 shown in the illustrated embodiment, a protrusion 16 is formed on the outer side of the rear end of the housing body 10, and the protrusion 16 is used to engage with the slot hole 36 on the rear cover 3 to lock the rear cover 3 to the rear end of the housing body 10.

[0048] As Figures 1 to 9 shown in the illustrated embodiment, a seal ring mounting groove 14 is formed on the outer side of the housing body 10 to mount the seal ring 4, and the seal ring mounting groove 14 is located behind the buckle 13 and is spaced apart from the clamping groove 12 in the longitudinal direction Y of the housing body 10.

[0049] As Figures 1 to 9 shown in the illustrated embodiment, the connector housing 1 can be a one-piece injection molding.

[0050] As Figures 1 to 9 shown in another exemplary embodiment of the present application, a connector is also disclosed. The connector includes a connector housing 1 and a plurality of terminals (not shown). The plurality of terminals are respectively inserted into a plurality of receptacles 11 of the connector housing 1. One of the two adjacent terminals is inserted into a first-orientation receptacle 11 in a first orientation, and the other is inserted into a second-orientation receptacle 11 in a second orientation.

[0051] As Figures 1 to 9As shown, in the illustrated embodiment, the socket 11 has a front port 11a and a rear port 11b opposite each other in the longitudinal Y direction of the connector housing 1, and a terminal is inserted from the rear port 11b of the socket 11 and adapted to mate with a mating terminal inserted from the front port 11a of the socket 11.

[0052] like Figures 1 to 9 As shown, in the illustrated embodiment, the connector also includes multiple cables (not shown) that are electrically connected to the rear ends of multiple terminals. The multiple cables extend from the rear end of the housing body 10.

[0053] like Figures 1 to 9 As shown in the illustrated embodiment, the connector further includes a resilient seal 2, which is installed in a receiving cavity 15 at the rear end of the housing body 10. Multiple through holes 20 are formed on the resilient seal 2, allowing multiple cables to pass through respectively. The resilient seal 2 is pressed between the cables and the housing body 10 to achieve a seal between the two.

[0054] like Figures 1 to 9 As shown in the illustrated embodiment, the connector further includes a rear end cover 3, which is mounted to the rear end of the housing body 10. Cable holes 30 are formed on the rear end cover 3 to allow multiple cables to pass through.

[0055] like Figures 1 to 9 As shown in the illustrated embodiment, a slot 36 is formed on the rear cover 3, and the slot 36 engages with a protrusion 16 on the rear end of the shell body 10 to lock the rear cover 3 to the rear end of the shell body 10.

[0056] like Figures 1 to 9 As shown in the illustrated embodiment, the connector further includes a sealing ring 4, which is installed in a sealing ring mounting groove 14 of the housing body 10. The housing body 10 is adapted to be inserted into a mounting hole of a mounting panel (not shown), and the sealing ring 4 is adapted to be pressed between the inner wall surfaces of the housing body 10 and the mounting hole to achieve a seal between the two.

[0057] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0058] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0059] While some embodiments of the general inventive concept have been shown and described, it is to be understood that changes can be made in these embodiments, without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

[0060] 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. Additionally, any reference signs in the claims should not be construed as limiting the scope of the claims.

Claims

1. A connector housing characterized by, Comprising: a housing body (10) formed with a plurality of receptacles (11) extending in a longitudinal direction (Y) thereof and aligned in a lateral direction (X) thereof; two slots (12) formed on a top and a bottom of the housing body (10), respectively, and extending in the lateral direction (X); and two latches (13) located on the top and the bottom of the housing body (10), respectively, and connected to the top and the bottom of the housing body (10), respectively, one of two adjacent receptacles (11) is in a first orientation and the other is in a second orientation, and the first orientation is rotated 180 degrees relative to the second orientation, the slot (12) on the top of the housing body (10) communicates with the receptacle (11) in the first orientation but not with the receptacle (11) in the second orientation, and the latch (13) on the top of the housing body (10) is adapted to engage with the slot (12) on the top of the housing body (10) for locking a terminal inserted into the receptacle (11) in the first orientation, the slot (12) on the bottom of the housing body (10) communicates with the receptacle (11) in the second orientation but not with the receptacle (11) in the first orientation, and the latch (13) on the bottom of the housing body (10) is adapted to engage with the slot (12) on the bottom of the housing body (10) for locking a terminal inserted into the receptacle (11) in the second orientation.

2. The connector housing according to claim 1, wherein: the latch (13) is adapted to move between a locking position for locking the terminal and an unlocking position for disengaging from the terminal, and the slot (12) is for engaging with the latch (13) to hold the latch (13) in the locking position.

3. The connector housing according to claim 2, wherein: the latch (13) comprises: a cantilever (130) having a root connected to the housing body (10); and a hook (131) formed on a tip of the cantilever (130) and adapted to engage with the slot (12), when the latch (13) is in the locking position, the hook (131) engages with the slot (12) and is adapted to abut against the inserted terminal to lock the terminal in the receptacle (11), when the latch (13) is in the unlocking position, the hook (131) disengages from the slot (12) and the terminal inserted into the receptacle (11) to allow the terminal to be pulled out of the receptacle (11).

4. The connector housing according to claim 3, wherein: the housing body (10) has a front end and a rear end opposite to each other in the longitudinal direction (Y) thereof, and the root of the cantilever (130) is connected to the rear end of the housing body (10).

5. The connector housing according to claim 1, wherein: the receptacle (11) has a front port (11a) and a rear port (11b) opposite to each other in the longitudinal direction (Y) of the housing body (10), and the terminal is inserted from the rear port (11b) of the receptacle (11), and a counterpart terminal of the counterpart terminals is inserted from the front port (11a) of the receptacle (11).

6. The connector housing according to claim 5, wherein: the front ports (11a) of the plurality of receptacles (11) are identical in size, shape and orientation and are aligned in a row in the lateral direction (X) of the housing main body (10) to allow simultaneous insertion of a row of mating terminals into the housing main body (10).

7. The connector housing according to claim 6, wherein: the front ports (11a) of the receptacles (11) are circular or centrosymmetric regular polygons, and the cross sections of the portions of the receptacles (11) other than the front ports (11a) are asymmetric polygons.

8. The connector housing according to claim 5, wherein: a receiving cavity (15) communicating with the rear ports (11b) of the plurality of receptacles (11) is formed in the rear end of the housing main body (10) for mounting an elastic seal (2).

9. The connector housing according to claim 8, wherein: a protrusion (16) for engaging with a slot (36) on a rear cover (3) to lock the rear cover (3) to the rear end of the housing main body (10) is formed on the outside of the rear end of the housing main body (10).

10. The connector housing according to claim 1, wherein: a seal ring mounting groove (14) for mounting a seal ring (4) is formed on the outside of the housing main body (10) behind the clasp (13) and spaced apart from the clasp groove (12) in the longitudinal direction (Y) of the housing main body (10).

11. The connector housing of any one of claims 1-10, wherein: the connector housing (1) is a one-piece injection molded part.

12. A connector characterized by comprising: comprising: the connector housing (1) according to any one of claims 1 to 11; and a plurality of terminals respectively inserted into the plurality of receptacles (11) of the connector housing (1), one of the two adjacent terminals is inserted into a receptacle (11) of a first orientation in a first orientation, and the other is inserted into a receptacle (11) of a second orientation in a second orientation.

13. The connector according to claim 12, wherein: the receptacles (11) have front ports (11a) and rear ports (11b) opposite in the longitudinal direction (Y) of the connector housing (1), and the terminals are inserted from the rear ports (11b) of the receptacles (11) and adapted to mate with mating terminals inserted from the front ports (11a) of the receptacles (11).

14. The connector of claim 12, wherein, further comprising: a plurality of cables respectively electrically connected to the rear ends of the plurality of terminals, the plurality of cables are drawn out from the rear end of the housing main body (10).

15. The connector of claim 14, wherein, further comprising: an elastic seal (2) mounted in the receiving cavity (15) of the rear end of the housing main body (10), a plurality of through holes (20) are formed on the elastic seal (2) to allow the plurality of cables to pass through respectively, and the elastic seal (2) is pressed between the cables and the housing main body (10) to achieve sealing therebetween.

16. The connector of claim 14, wherein, further comprising: a rear cover (3) mounted to the rear end of the housing main body (10), A cable hole (30) is formed in the rear end cover (3) to allow the plurality of cables to pass through, respectively.

17. The connector of claim 16, wherein: A slot hole (36) is formed in the rear end cover (3) to engage with a protrusion (16) on the rear end of the housing main body (10) to lock the rear end cover (3) to the rear end of the housing main body (10).

18. The connector of claim 12, wherein, Further comprising: A sealing ring (4) is installed into a sealing ring installation slot (14) of the housing main body (10), The housing main body (10) is adapted to be inserted into an installation hole of an installation panel, and the sealing ring (4) is adapted to be pressed between the housing main body (10) and an inner wall surface of the installation hole to achieve sealing therebetween.

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