Waterproof connector and waterproof cover thereof

Abstract

The utility model provides a waterproof connector and a waterproof cover thereof. The waterproof connector comprises a connector body and the waterproof cover. The connector body comprises a metal shell with an inner peripheral surface and an outer peripheral surface, the outer peripheral surface is provided with a groove, and the metal shell is provided with a buckling edge corresponding to the groove; the waterproof cover is sleeved on the metal shell and is provided with an inner ring wall and an outer ring wall surrounding the inner ring wall, the inner ring wall is provided with a waterproof flange, the outer ring wall is provided with a buckling flange, the waterproof flange and the buckling flange are opposite to each other, the buckling flange extends into the groove and is reversely buckled on the buckling edge, the waterproof flange is propped against the inner circumferential surface, and the outer circumferential surface is propped against the outer circumferential surface. The waterproof flange and the buckle flange abut against and clamp the metal shell oppositely. Therefore, it can be ensured that the buckling flange is firmly buckled on the buckling edge in an inverted mode, the waterproof flange is tightly and reliably connected to the inner circumferential face in an abutting mode, and therefore a good waterproof effect is achieved.

Description

Technical Field

[0001] This application relates to connectors, and more particularly to a waterproof connector and its waterproof cover. Background Technology

[0002] Connectors used for mating with other connectors are usually placed on the panel of electronic products, which makes it easy for external liquids and moisture to enter the connector. Therefore, they need to be waterproofed before mating.

[0003] In the prior art, the connector is provided with a waterproof component. This waterproof component is provided corresponding to the connector's socket and has a pair of barbed arms on its outer side, which are used to hook onto the outer wall of the connector for fixation; the waterproof component is also provided with a waterproof gasket that can abut against the connector, so that the waterproof gasket is deformed by the pressure of the abutment, thereby achieving waterproofing.

[0004] However, the existing connector structure, which uses barbed arms to fix the connector to the outer side, suffers from reliability instability. The barbed arms often shift or detach from the outside of the connector, causing them to fail to effectively push the connector against the waterproof gasket (or significantly weakening the pushing force), thus affecting the waterproof performance of the gasket. In other words, the waterproof components of existing connectors are not waterproof, allowing external water and moisture to enter the connector and cause damage. This problem has long been criticized.

[0005] Therefore, how to improve the shortcomings of the prior art is a major issue that this application urgently needs to address. Utility Model Content

[0006] The purpose of this application is to provide a waterproof connector and its waterproof cover, which enables the waterproof cover to be reliably upside down onto the connector body without shifting or falling off, and to ensure that the waterproof cover is tightly and reliably abutted against the connector body, thereby achieving a better waterproof effect.

[0007] To achieve the above objectives, this application provides a waterproof cover for fitting onto a connector body having a metal shell. The metal shell has inner and outer peripheral surfaces facing each other, and the outer peripheral surface has a groove. A snap-fit ​​edge is formed on the metal shell corresponding to the groove. The waterproof cover includes: an inner ring wall having a waterproof flange; and an outer ring wall surrounding the inner ring wall and having a snap-fit ​​flange. The waterproof flange and the snap-fit ​​flange are arranged facing each other. The waterproof cover is fitted onto the metal shell, the snap-fit ​​flange extends into the groove and is snapped against the snap-fit ​​edge, the waterproof flange abuts against the inner peripheral surface, and the waterproof flange and the snap-fit ​​flange press against and clamp the metal shell relative to each other.

[0008] This application also provides a waterproof connector, comprising: a connector body including a metal shell having inner and outer peripheral surfaces facing each other, the outer peripheral surface having a groove, and the metal shell having a snap-fit ​​edge corresponding to the groove; and a waterproof cover fitted onto the metal shell, the waterproof cover having an inner ring wall and an outer ring wall surrounding the inner ring wall, the inner ring wall having a waterproof flange, the outer ring wall having a snap-fit ​​flange, the waterproof flange and the snap-fit ​​flange being arranged facing each other, the snap-fit ​​flange correspondingly extending into the groove and buckling against the snap-fit ​​edge, the waterproof flange abutting against the inner peripheral surface, and the waterproof flange and the snap-fit ​​flange pressing against and clamping the metal shell relative to each other.

[0009] Compared with the prior art, this application has the following effects: it can ensure that the snap-fit ​​flange is firmly snapped onto the snap-fit ​​edge without shifting or falling off, while the waterproof flange is tightly and reliably abutted against the inner circumferential surface, thus having a better waterproof effect and ensuring that external water and moisture will not enter the connector body. Attached Figure Description

[0010] Figure 1 This is an exploded perspective view of the waterproof connector of this application.

[0011] Figure 2 This is a three-dimensional cross-sectional view of the waterproof cover in this application.

[0012] Figure 3 This is a partial cross-sectional view of the waterproof connector of this application before assembly.

[0013] Figure 4 This is a three-dimensional assembly diagram of the waterproof connector of this application.

[0014] Figure 5 This is a partial cross-sectional view of the waterproof connector of this application after assembly.

[0015] Figure label:

[0016] 1: Connector body; 11: Metal shell; 111: Inner circumferential surface; 112: Outer circumferential surface; 117: Socket; 12: Groove; 121: Fastening

[0017] 122: Stop edge; 123: Groove; 14: Terminal assembly; 15: Fixing component;

[0018] 3: Waterproof cover; 31: Inner ring wall; 311: Waterproof flange; 33: Outer ring wall; 331: Wall edge; 332: Protrusion; 3321: Side;

[0019] 3322: Snap-fit ​​flange; 336: Flared opening; 35: Cover body;

[0020] D1: Insertion direction (sleeving direction); D2: Radial direction; D3: Opposing direction; P: Clamping force. Detailed Implementation

[0021] The technical solution protected by this utility model will be described in detail below with reference to the accompanying drawings.

[0022] This application provides a waterproof connector and its waterproof cover. The waterproof connector is used to fix itself on an electronic product or its panel (not shown), so that after the waterproof cover is removed, a mating connector (not shown) can be inserted into it. Therefore, as... Figure 1 The diagram shows a plugging direction D1.

[0023] like Figures 1 to 3 As shown, the waterproof connector of this application includes: a connector body 1 and a waterproof cover 3. The connector body 1 has a socket 117 for the aforementioned mating connector to be inserted. The waterproof cover 3 is used to cover the corresponding position of the socket 117 to prevent external water or moisture from entering the connector body 1 through the socket 117.

[0024] The connector body 1 includes a metal shell 11, a terminal assembly 14, and a fixing member 15. The metal shell 11 is a hollow shell, and therefore has an inner peripheral surface 111 and an outer peripheral surface 112 that are opposite to each other, and one end of the metal shell 11 forms the aforementioned insertion port 117. In addition, the metal shell 11 defines the aforementioned insertion direction D1 and also defines a radial direction D2, which is perpendicular to the insertion direction D1.

[0025] The outer peripheral surface 112 has a groove 12 near the insertion port 117. The groove 12 can be a 360-degree surrounding groove around the outer peripheral surface 112, or a plurality of recessed grooves spaced apart around the outer peripheral surface 112. This application does not limit this. The outer peripheral surface 112 is provided with an external thread section (not indicated) at the other end of the metal shell 11 for screwing together a fastener 15 with internal threads. It should be noted that the groove 12 is recessed from the outer peripheral surface 112 toward the inner peripheral surface 111, thus forming a slot 123 facing radially D2. The metal shell 11 also has a snap-fit ​​edge 121 and a stop edge 122 spaced apart and opposite to each other in the insertion direction D1 corresponding to the groove 12. The slot 123 is located between the snap-fit ​​edge 121 and the stop edge 122.

[0026] Terminal assembly 14 is disposed on metal housing 11, with one end of terminal assembly 14 extending into metal housing 11 for the mating connectors to conduct to each other after insertion, and the other end protruding from connector body 1 for soldering.

[0027] The waterproof cover 3 is used to fit onto the metal shell 11 at the corresponding position of the socket 117, so as to seal the socket 117. It should be noted that the waterproof cover 3 defines a fitting direction D1 that is the same as the aforementioned insertion direction D1, and also defines a radial direction D2 that is perpendicular to the fitting direction D1. Therefore, the fitting direction D1 and the aforementioned insertion direction D1 are both facing the same direction (therefore, the same component symbol is used). This application does not limit whether the direction to be followed is the insertion direction D1 or the fitting direction D1, since they are the same direction. In this embodiment, the insertion direction D1 will be used for description.

[0028] The waterproof cover 3 can be a multi-piece assembly structure (not shown in the figure) or a one-piece molded structure as shown in the figure. This application does not limit this, but in this embodiment, the one-piece molded structure is used as an example for description. The waterproof cover 3 includes an inner ring wall 31, an outer ring wall 33 and a cover body 35 that are integrally formed with each other. The inner ring wall 31 and the outer ring wall 33 both extend integrally from one side of the cover body 35 along the insertion direction D1, and the outer ring wall 33 is spaced around the inner ring wall 31.

[0029] The inner ring wall 31 has a waterproof flange 311 that protrudes generally in the radial direction D2, and the outer ring wall 33 has a snap-fit ​​flange 3322 that protrudes generally in the radial direction D2. The waterproof flange 311 and the snap-fit ​​flange 3322 are spaced apart from each other and arranged facing each other, so as to define an opposing direction D3 between the waterproof flange 311 and the snap-fit ​​flange 3322. In addition, both the waterproof flange 311 and the snap-fit ​​flange 3322 are 360-degree circumferential flanges. It should be noted that the waterproof cover 3 can be integrally molded from a waterproof material, and the shape of the waterproof flange 311 can be roughly similar to that of a waterproof gasket, so the waterproof flange 311 will elastically deform when it comes into contact to achieve waterproofing.

[0030] Preferably, the outer ring wall 33 extends integrally along the insertion direction D1 for a longer length than the inner ring wall 31 extends integrally along the insertion direction D1. In other words, the inner ring wall 31 and the outer ring wall 33 are parallel to each other, but due to the different extension lengths, the aforementioned opposing direction D3 will be tilted at an angle relative to the radial direction D2, and of course, it will also be tilted at another angle relative to the insertion direction D1, so that the waterproof flange 311 and the snap flange 3322 are obliquely spaced relative to each other with respect to the insertion direction D1.

[0031] like Figures 3 to 5 As shown, during assembly, when the waterproof cover 3 is fitted onto the metal shell 11 at the corresponding position of the insertion port 117 along the insertion direction (fitting direction) D1, the snap-fit ​​flange 3322 will extend into the groove 12 and snap onto the snap-fit ​​edge 121 of the metal shell 11 in a direction opposite to the insertion direction D1, thereby preventing the waterproof cover 3 from detaching from the connector body 1 in a direction opposite to the insertion direction D1; moreover, the waterproof flange 311 will also abut against the inner circumferential surface 111 of the metal shell 11, and can, during abutment, Figure 5 The waterproofing is achieved through elastic deformation, allowing the waterproof flange 311 and the snap-fit ​​flange 3322 to abut against and clamp the metal shell 11. It should be noted that when the waterproof cover 3 is fitted onto the metal shell 11, the outer ring wall 33 forms a wall edge 331 at its extended end, and this wall edge 331 is stopped by the stop edge 122. This indicates that the waterproof cover 3 has been successfully fitted, while ensuring that the waterproof flange 311 and the snap-fit ​​flange 3322 do not slip out of their clamping positions on the metal shell 11.

[0032] In this way, such as Figure 3 and Figure 5 As shown, the 360-degree surrounding waterproof flange 311 and the snap-fit ​​flange 3322 will each clamp the metal shell 11 with a clamping force P in opposite directions D3 (clamped on the inner peripheral surface 111 and the outer peripheral surface 112 respectively). In addition to ensuring that the snap-fit ​​flange 3322 is firmly snapped against the snap-fit ​​edge 121 without shifting or falling off, it also allows the waterproof flange 311 to tightly and reliably abut against the inner peripheral surface 111. Therefore, it has a better waterproof effect, ensuring that external water and moisture will not enter the connector body 1 through the socket 117, nor will they seep into the connector body 1 through the socket 117 from the adjacent area between the waterproof cover 3 and the metal shell 11. The waterproof effect is far superior to the previous technology.

[0033] like Figure 2 , Figure 3 and Figure 5 As shown, this application does not specify how the snap-fit ​​flange 3322 is formed. Specifically, it is formed by protruding a protrusion 332 on the outer ring wall 33, as detailed below.

[0034] The outer ring wall 33 has a 360-degree circumferential protrusion 332 protruding radially along D2 on the side facing the inner ring wall 31. The protrusion 332 corresponds to the groove 12 and a snap-fit ​​flange 3322 is formed at one corner. After the waterproof cover 3 is fitted, the protrusion 332 can be inserted into the groove 12 and the snap-fit ​​flange 3322 can be snapped against the snap-fit ​​edge 121. This ensures that the aforementioned clamping force P for relative clamping is formed with sufficient force, and further ensures that the snap-fit ​​flange 3322 is kept firmly snapped against the snap-fit ​​edge 121 without displacement or detachment.

[0035] In addition, as Figure 2 , Figure 3 and Figure 5As shown, in order to facilitate the fitting of the waterproof cover 3 onto the metal shell 11, the protrusion 332 has a side surface 3321. The side surface 3321 faces the outer peripheral surface 112 and is tilted at a certain angle relative to the insertion direction D1, so that the outer ring wall 33 forms a flared mouth 336 at the side surface 3321. The diameter of the flared mouth 336 gradually increases along the insertion direction D1, which facilitates the fitting of the waterproof cover 3.

[0036] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A waterproof cover for covering a connector body having a metal shell, characterized by, The metal shell has an inner circumferential surface and an outer circumferential surface opposite to each other, the outer circumferential surface has a groove, and the metal shell has a fastening edge corresponding to the groove; the waterproof cover comprises: an inner ring wall having a waterproof flange; and an outer ring wall surrounding the inner ring wall and having a clamping flange, the waterproof flange and the clamping flange are arranged towards each other; wherein the waterproof cover is sleeved on the metal shell, the clamping flange is inserted into the groove and is fastened on the fastening edge, the waterproof flange abuts against the inner circumferential surface, and the waterproof flange and the clamping flange press against and clamp the metal shell towards each other.

2. The waterproof cover according to claim 1, wherein The waterproof flange and the clamping flange are annular flanges.

3. The waterproof cover of claim 1, wherein, The outer ring wall has a wall edge for being stopped.

4. The waterproof cap of claim 1, wherein, The waterproof cover defines a sleeving direction and a radial direction perpendicular to the sleeving direction, and a facing direction is defined between the waterproof flange and the clamping flange, the facing direction is inclined at an angle with respect to the radial direction.

5. The waterproof cover of claim 4, wherein, An extension length of the outer ring wall along the sleeving direction is greater than an extension length of the inner ring wall along the sleeving direction, and the inner ring wall and the outer ring wall are spaced apart along the radial direction.

6. The waterproof cap of claim 1, wherein, A convex body protrudes from a surface of the outer ring wall facing the inner ring wall, the convex body is embedded in the groove and forms the clamping flange.

7. The waterproof cap of claim 6, wherein, The convex body is an annular body and has a side surface, the side surface is inclined towards the sleeving direction, the outer ring wall forms a bell mouth corresponding to the side surface, and an aperture of the bell mouth gradually increases from small to large along the sleeving direction.

8. The waterproof cap of claim 1, wherein, The waterproof flange is a waterproof gasket formed by a waterproof material.

9. The waterproof cap of claim 1, wherein, The waterproof flange is elastically deformed by pressing against the inner circumferential surface.

10. A waterproof connector characterized by comprising: The connector body comprises: a metal shell having an inner circumferential surface and an outer circumferential surface opposite to each other, the outer circumferential surface has a groove, and the metal shell has a fastening edge corresponding to the groove; and a waterproof cover sleeved on the metal shell, the waterproof cover has an inner ring wall and an outer ring wall surrounding the inner ring wall, the inner ring wall has a waterproof flange, the outer ring wall has a clamping flange, the waterproof flange and the clamping flange are arranged towards each other, the clamping flange is inserted into the groove and is fastened on the fastening edge, the waterproof flange abuts against the inner circumferential surface, and the waterproof flange and the clamping flange press against and clamp the metal shell towards each other.

11. The waterproof connector according to claim 10, wherein The metal shell defines a plugging direction and a radial direction perpendicular to the plugging direction, the groove surrounds the outer circumferential surface and has a slot opening, the slot opening faces the radial direction, and the waterproof flange and the clamping flange are annular flanges.

12. The waterproof connector according to claim 10, wherein The metal shell further has a stopping edge corresponding to the groove, the fastening edge and the stopping edge are spaced apart and opposite to each other, and the outer ring wall is limited by the stopping edge.

13. The waterproof connector according to claim 10, wherein The metal shell defines a plugging direction and a radial direction perpendicular to the plugging direction, and a facing direction is defined between the waterproof flange and the clamping flange, the facing direction is inclined at an angle with respect to the radial direction.

14. The waterproof connector according to claim 13, characterized by An extension length of the outer ring wall along the plugging direction is greater than an extension length of the inner ring wall along the plugging direction, and the inner ring wall and the outer ring wall are spaced apart along the radial direction.

15. The waterproof connector of claim 10, wherein, A convex body protrudes from a surface of the outer ring wall facing the inner ring wall, the convex body is embedded in the groove and forms the clamping flange.

16. The waterproof connector according to claim 15, wherein The convex body is an annular body and has a side surface, the side surface is inclined towards the plugging direction, the outer ring wall forms a bell mouth corresponding to the side surface, and an aperture of the bell mouth gradually increases from small to large along the plugging direction.

17. The waterproof connector of claim 10, wherein, The waterproof flange is a waterproof gasket formed by a waterproof material.

18. The waterproof connector of claim 10, wherein, The waterproof flange is elastically deformed by pressing against the inner circumferential surface.

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