Sealing assembly and connector

Abstract

The present utility model relates to the technical field of dustproofing and waterproofing of connectors, and in particular, to a sealing assembly and a connector. The sealing assembly of the present utility model comprises a sealing rubber ring and an anti-disengagement stop ring; the sealing rubber ring and the anti-disengagement stop ring are fixedly connected at axial end surfaces thereof to form an integral structure adapted to be sleeved at an inserting port of a connector housing; the anti-disengagement stop ring is provided with a connecting part used for being bonded with or welded to the inserting port for connection. During use, the sealing rubber ring and the anti-disengagement stop ring are sleeved as an integral structure on the inserting port, and the anti-disengagement stop ring is connected to the inserting port by means of bonding or welding, thereby achieving reliable fixed connection and avoiding the situation of disengagement of the anti-disengagement stop ring; moreover, when the sealing rubber ring is aligned with and connected to the anti-disengagement stop ring, the sealing rubber ring is restrained by the anti-disengagement stop ring, such that the sealing rubber ring will not experience edge flipping, twisting, or disengagement and can reliably maintain a ring shape as a whole, thereby ensuring sealing at the inserting position.

Description

Sealing assembly and connector Technical Field

[0001] The utility model relates to the technical field of dustproof and waterproof connectors, in particular to a sealing assembly and a connector. Background Art

[0002] The sealing of the plug-in interface of connector products is usually achieved by using a sealing rubber ring. For example, a vehicle connector disclosed in the Chinese utility model patent with authorization announcement number CN208226172U includes a connector housing and a conductor installed in the connector housing. The outer side surface of the port of the connector housing for plugging with the adapter socket is installed with a sealing ring to achieve sealing of the header plug-in position. The sealing ring is installed in the annular groove on the outer side of the connector housing. During assembly, the sealing ring is installed in the annular groove by expanding it. In this way, the sealing ring is expanded too much, which affects the dimensional adaptability of the sealing ring and the bottom of the annular groove to a certain extent, and makes the sealing ring more prone to deformation, thereby affecting its sealing performance. In response to the above problems, there is another connector structure in the prior art, as shown in FIG1-2 , in which the sealing rubber ring 3 is sleeved on the outer surface of the plug-in port 10 of the connector housing 1, and an anti-slip ring 2 is installed at the plug-in port 10 of the connector housing 1 through a snap-fit ​​structure 21 to prevent the sealing rubber ring 3 from slipping out and limit the position. The anti-slip ring 2 cooperates with the retaining edge 11 at the plug-in port 10 to ensure the degree of deformation of the sealing rubber ring 3, so as to ensure the sealing performance of the sealing rubber ring 3. However, in the field of automotive connectors, the connector housing is mostly a plastic thin-walled part, and the anti-slip ring is installed at the plug-in port of the connector housing through a snap-fit ​​structure. The installation structure is often relatively weak, and the anti-slip ring and the connector housing cannot achieve strong fastening and fixation. The product anti-slip ring is easy to fall off during transportation, use, and other working conditions, resulting in failure of the product sealing structure. In addition, even if the anti-slip ring does not fall off, during the plug-in and unplugging process, especially during the oblique plug-in and unplugging process, there are often cases where the sealing rubber ring is pried up, flanging, twisted, or falls off, which also causes the problem of sealing failure.

[0003] Utility Model Content

[0004] The present invention aims to provide a sealing assembly that solves the problems of unreliable connection between the anti-disengagement ring and the connector housing, as well as the problems of the sealing rubber ring flanging, twisting, and falling off, which can lead to seal failure. The present invention also provides a connector that solves the problem of the anti-disengagement ring of the existing connector easily falling off, which can lead to the sealing rubber ring falling off and seal failure.

[0005] The sealing assembly of the present invention includes a sealing rubber ring and an anti-slip ring. The sealing rubber ring and the anti-slip ring are fixedly connected through axial end faces to form an integral structure for being sleeved on the plug-in port of the connector housing. The anti-slip ring has a connection portion for bonding or welding to the plug-in port.

[0006] Furthermore, the sealing rubber ring and the anti-slip ring are integrally embedded and plastic-pressed.

[0007] Furthermore, the sealing rubber ring and the anti-slip ring are bonded together.

[0008] Furthermore, the connection portion is the inner side surface of the anti-slip ring for plug-in cooperation with the plug-in port.

[0009] Alternatively, the end of the anti-slip ring has an inward-turned edge, and the connection part is the inner side surface of the inward-turned edge for cooperating with the end face of the plug-in port, or, the connection part is the inner side surface of the inward-turned edge for cooperating with the end face of the plug-in port and the inner side surface of the anti-slip ring for cooperating with the plug-in port.

[0010] The utility model is a pioneering invention, which connects the sealing rubber ring and the anti-stripping ring in axial alignment, and provides a connection portion on the anti-stripping ring for bonding or welding with the plug-in port of the connector housing. When in use, the sealing rubber ring and the anti-stripping ring are sleeved on the plug-in port as an integral structure, and the anti-stripping ring is connected to the plug-in port by bonding or welding. The fixed connection is more reliable, and the anti-stripping ring is avoided from falling off. Moreover, after the sealing rubber ring is aligned and connected with the anti-stripping ring, it is constrained by the anti-stripping ring and will not be flanging, twisting or falling off. The whole can reliably maintain an annular state, thereby ensuring the sealing of the plug-in position.

[0011] The connector of the utility model comprises a connector housing, which has a plug-in port for plugging with an adapter connector. A sealing rubber ring and an anti-slip ring are sleeved on the outer periphery of the plug-in port, and the anti-slip ring is bonded or welded to the plug-in port.

[0012] Furthermore, the sealing rubber ring and the anti-slip ring are fixedly connected to form an integral structure through the axial end faces.

[0013] Furthermore, the sealing rubber ring and the anti-slip ring are integrally embedded and plastic-pressed.

[0014] Furthermore, the sealing rubber ring and the anti-slip ring are bonded together.

[0015] Furthermore, the connection portion is the inner side surface of the anti-slip ring for plug-in cooperation with the plug-in port.

[0016] Alternatively, the end of the anti-slip ring has an inward-turned edge, and the connection part is the inner side surface of the inward-turned edge for cooperating with the end face of the plug-in port, or, the connection part is the inner side surface of the inward-turned edge for cooperating with the end face of the plug-in port and the inner side surface of the anti-slip ring for cooperating with the plug-in port.

[0017] The utility model is an improved invention. By gluing or welding the anti-slip retaining ring to the plug-in port, the bonding strength between the retaining ring and the plug-in port is improved, which can effectively prevent the anti-slip retaining ring from falling off during the plug-in process and thus effectively prevent the sealing rubber ring from falling off, thereby ensuring the sealing performance of the connector when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is a schematic structural diagram of a conventional connector showing a sealing structure at a plug-in port;

[0019] Figure 2 is an exploded view of Figure 1;

[0020] FIG3 is a schematic structural diagram of a sealing assembly of the present invention;

[0021] FIG4 is a schematic structural diagram showing the structure of the plug-in port of an embodiment of the connector of the present invention;

[0022] FIG5 is an exploded view of FIG4 ;

[0023] FIG6 is a partial cross-sectional view showing the structure of the plug-in port of an embodiment of the connector of the present invention.

[0024] In the figure: 1. Connector housing; 10. Insertion port; 11. Stop edge; 2. Anti-slip stop ring; 21. Buckle structure; 3. Sealing rubber ring; 20. Inner side of the stop ring; 22. Inward-turned edge. DETAILED DESCRIPTION

[0025] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0026] The connector of the present invention addresses the problem that the connection between the anti-slip ring 2 at the plug-in port 10 of the existing connector housing 1 is not reliable enough, which causes the anti-slip ring 2 to easily fall off during use or transportation of the connector, resulting in the sealing rubber ring 3 also easily falling off and causing sealing failure. The anti-slip ring 2 is fixedly connected to the plug-in port 10 by bonding or welding. In this way, even if the plug-in port 10 adopts a thin-walled structure, the anti-slip ring 2 can be reliably connected to it, thereby ensuring that the sealing rubber ring 3 is effectively restricted and constrained, which is beneficial to improving the sealing effect.

[0027] Specifically, as shown in the following embodiments, in one embodiment, the anti-slip ring 2 is an axially extending ring structure as a whole, and the sealing rubber ring 3 and the anti-slip ring 2 are sequentially mounted on the plug-in port 10 of the connector housing 1 along the plug-in direction. The anti-slip ring 2 cooperates with the retaining edge 11 on the outer surface of the plug-in port 10 to limit the position of the sealing rubber ring 3 in the plug-in direction. The anti-slip ring 2 is bonded to the circumferential outer side surface corresponding to the plug-in port 10 through its circumferential retaining ring inner side surface 20 by structural adhesive or welded by laser welding or ultrasonic welding. Compared with the existing snap-fit ​​connection between the anti-slip ring 2 and the plug-in port 10, the connection is more stable, can better constrain the position of the sealing rubber ring 3, and is conducive to improving the sealing effect. Of course, in other embodiments, the outer end faces of the anti-slip ring 2 and the plug-in port 10 can be set flush, and then bonded or welded at the end faces of the two.

[0028] FIG6 shows another preferred embodiment, in which the anti-slip ring 2 includes an axially extending ring body portion and an inverted edge 22 at the end of the ring body portion. When the anti-slip ring 2 is installed on the plug-in port 10, the inner side surface of the ring body portion is in contact with the plug-in port, and the inner side surface of the inverted edge is engaged with the end face of the plug-in port 10. Based on the structure of such an anti-slip ring, the anti-slip ring 2 can be welded or bonded to the end face of the plug-in port through the inner side surface of the inverted edge 22. That is to say, in this embodiment, the connection portion is the inner side surface of the inverted edge for engaging with the end face of the plug-in port 10, which is relatively convenient when welding or bonding. Alternatively, in order to ensure the reliability of the connection, not only the inner side surface of the inverted edge 22 is welded or bonded to the end face of the plug-in port, but also the inner side surface of the ring body portion of the anti-slip ring and the circumferential outer side surface corresponding to the plug-in port 10 are bonded by structural adhesive or welded by laser welding or ultrasonic welding.

[0029] During actual use, although the above scheme avoids the falling off of the sealing rubber ring 3 caused by the falling off of the anti-slip ring 2, since the connector housing 1 is a thin-walled housing, the thickness of the sealing rubber ring 3 is also relatively thin. When subjected to a large plug-in friction force, it is easy to cause flange, twist, or even cross the anti-slip ring and fall out. Therefore, this article further provides a more preferred embodiment, as shown in Figures 3-5. In this embodiment, the sealing rubber ring 3 and the anti-slip ring 2 are fixedly connected together through the axial end faces. For example, it is best to fix them together while ensuring that the inner side faces of the two are aligned in the axial direction to form an integral ring structure, that is, a sealing assembly. The sealing assembly is integrally mounted on the plug-in port 10, and then the anti-slip ring 2 is bonded or welded to the plug-in port 10 through its inner side face. This ensures that the anti-slip ring 2 will not fall off at will, and the anti-slip ring 2 can also constrain the movement and excessive distortion of the sealing rubber ring 3 through its axial end face, avoiding the situation where it falls off due to flange or twisting. This can better ensure that the sealing rubber ring 3 can exert its due sealing performance. Of course, in engineering applications, the inner side surfaces of the sealing rubber ring 3 and the anti-slip ring 2 are not necessarily aligned. For example, the sealing rubber ring 3 may protrude from the anti-slip ring 2 on both the inner and outer sides.

[0030] The connection between the anti-slip ring 2 and the sealing rubber ring 3 can be achieved by existing mature process methods such as bonding or integrated inlay plastic compression molding. It can be pre-manufactured into a sealing assembly, and then directly installed on the plug-in port 10 during the manufacturing process of the connector and bonded or welded together, reducing the assembly process and improving production efficiency.

[0031] The embodiment of the sealing assembly of the present invention has the same specific structure as the sealing assembly structure in the embodiment of the connector introduced above, and will not be described in detail herein.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The scope of patent protection of the present invention shall be based on the claims. Any equivalent structural changes made using the description and drawings of the present invention shall also be included in the scope of protection of the present invention.

Claims

1. A sealing assembly, characterized in that: The invention comprises a sealing rubber ring (3) and an anti-slip ring (2); the sealing rubber ring (3) and the anti-slip ring (2) are fixedly connected via axial end faces to form an integral structure for being fitted onto a plug-in port (10) of a connector housing (1); and the anti-slip ring (2) has a connection portion for being bonded or welded to the plug-in port (10).

2. The sealing assembly according to claim 1, wherein: The sealing rubber ring (3) and the anti-slip ring (2) are integrally embedded and plastic-pressed.

3. The sealing assembly according to claim 1, wherein: The sealing rubber ring (3) and the anti-slip ring (2) are bonded together.

4. The sealing assembly according to any one of claims 1 to 3, wherein: The connection portion is the inner side surface of the anti-slip ring (2) for plugging and fitting with the plug-in port (10).

5. The sealing assembly according to any one of claims 1 to 3, wherein: The end of the anti-slip ring (2) has an inverted edge (22), and the connection portion is the inner side surface of the inverted edge (22) for engaging with the end face of the plug-in port (10), or the connection portion is the inner side surface of the inverted edge (22) for engaging with the end face of the plug-in port (10) and the inner side surface of the anti-slip ring (2) for engaging with the plug-in port (10).

6. A connector, comprising a connector housing (1), the connector housing (1) having a plug-in port (10) for plugging with an adapter connector, the outer periphery of the plug-in port (10) being sheathed with a sealing rubber ring (3) and an anti-slip ring (2), wherein: The anti-slip ring (2) is bonded or welded to the plug-in port (10).

7. The connector according to claim 6, wherein: The sealing rubber ring (3) and the anti-slip ring (2) are fixedly connected via axial end faces to form an integral structure.

8. The connector according to claim 7, wherein: The sealing rubber ring (3) and the anti-slip ring (2) are integrally embedded and plastic-pressed.

9. The connector according to claim 7, wherein: The sealing rubber ring (3) and the anti-slip ring (2) are bonded together.

10. The connector according to any one of claims 6 to 9, wherein: The connection portion between the anti-slip ring (2) and the plug-in port (10) is the inner side surface of the anti-slip ring (2) for plugging and matching with the plug-in port (10).

11. The connector according to any one of claims 6 to 9, wherein: The end of the anti-slip ring (2) has an inverted edge (22), and the connection portion between the anti-slip ring (2) and the plug-in port (10) is the inner side surface of the inverted edge (22) for engaging with the end face of the plug-in port (10), or the connection portion between the anti-slip ring (2) and the plug-in port (10) is the inner side surface of the inverted edge (22) for engaging with the end face of the plug-in port (10) and the inner side surface of the anti-slip ring (2) for engaging with the plug-in port (10).

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