Waterproof vehicle-mounted connector
By combining the flange and sealing ring, the problems of inconvenient installation and unstable waterproofing of vehicle connectors are solved, achieving convenient installation and efficient waterproofing, and enhancing the reliability of the connectors.
Patent Information
- Application Number
- CN202520613820.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing waterproofing methods for vehicle connectors suffer from problems such as inconvenient installation, long adhesive curing time, waterproofing effect affected by adhesive bonding process, and uneven mounting surface caused by flange warping and deformation.
The system employs a combination of flange and sealing ring. The connector and panel are locked together by locking screws, and the sealing ring provides a seal. The flange is also equipped with a raised bulge and anti-misalignment notch to ensure flatness and reliability during installation.
It enables convenient installation without adhesive, improves waterproofing and installation quality, reduces unevenness caused by flange warping, and enhances the reliability of the connector.
Smart Images

Figure CN223956956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a vehicle-mounted connector, in particular to a waterproof vehicle-mounted connector. BACKGROUND
[0002] At present, the board end connector and the panel are installed by the way of adhesive, that is, the product is first buckled to the lower surface of the gray panel, the lower surface needs to be treated by adhesive, the panel is buckled downward, and the whole annular part in contact with the connector needs to be treated by adhesive, after buckling, the connector is fixed, and can be used only after the adhesive is completely solidified (the solidification time is about 8H), but the connector has the following disadvantages: inconvenient installation, adhesive treatment is needed, and the adhesive solidification time is long, in the maintenance of the damage of the connector, a long period is inevitably generated. Once the adhesive process is not good, the waterproof effect or waterproof performance is reduced, and the overall operation and replacement process are inconvenient.
[0003] The inventor improves the waterproof of the vehicle-mounted connector through long-term research, and then adopts the way of flange waterproof and sealing ring, but when installing, the flange is locked with the panel, the flange is warped and deformed, and then the installation surface is uneven, so that the waterproof effect and installation quality are affected. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the defects of the prior art, and provides a waterproof vehicle-mounted connector.
[0005] The utility model discloses a waterproof vehicle-mounted connector, including the panel, the connecting head and the casing, install contact subassembly in the casing, the connecting head is installed at the front end of the casing, and the connecting head is locked with the panel through the locking screw, and the connecting head includes the body, the front end of the body is provided with the flange plate, a plurality of through holes are formed in the flange plate, a plurality of convexes are formed in the flange plate on the outer edge of the through hole, and annular sealing groove is also formed in the flange plate, and the sealing ring is installed in the annular sealing groove, the front end of the sealing ring protrudes the annular sealing groove, and the locking screw passes through the through hole and is locked with the panel.
[0006] Optionally, the flange plate is a square plate, and the through holes are formed on the four corners of the flange plate.
[0007] Optionally, the convexes are four and are evenly distributed on the same circumference.
[0008] Optionally, a plurality of mistake-preventing notches are formed on the outer edge of the flange plate, and the sizes of the mistake-preventing notches are inconsistent.
[0009] Optionally, the mistake-preventing notches are two, and the size of the mistake-preventing notch on the upper side wall of the flange plate is greater than that of the mistake-preventing notch on the lower side wall of the flange plate.
[0010] Optionally, a lock block is formed on the outer side wall of the rear end of the body, a wedge-shaped surface is formed on the rear side wall of the lock block, a lock tongue is arranged on the shell, and a lock hole is formed on the lock tongue.
[0011] Optionally, a convex rib is further formed on the outer side wall of the rear end of the body, a clamping groove corresponding to the convex rib is formed on the inner side wall of the shell, and the convex rib and the lock block are not on the same outer side wall of the body.
[0012] The waterproof vehicle-mounted connector has the following advantages: the waterproof vehicle-mounted connector is sealed by the sealing ring, thus avoiding gluing and ensuring the reliability of the vehicle-mounted connector, and the waterproof vehicle-mounted connector is convenient to assemble, and after the flange and the panel are locked, the mounting flatness between the panel and the connector is better due to the convex bump, the contact of the whole surface is reduced, and the phenomenon that the mounting surface is uneven due to the deformation of the flange plate 22 due to warping is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model discloses a waterproof vehicle-mounted connector Figure 1 ;
[0014] Figure 2 The utility model discloses a waterproof vehicle-mounted connector Figure 2 ;
[0015] Figure 3 The utility model discloses a waterproof vehicle-mounted connector
[0016] Figure 4 The utility model discloses a waterproof vehicle-mounted connector
[0017] Figure 5 The utility model discloses a waterproof vehicle-mounted connector
[0018] In the drawing, 1 is a panel, 2 is a connector, 3 is a shell, 21 is a body, 22 is a flange plate, 23 is an anti-missing gap, 24 is a lock block, 25 is a sealing ring, 26 is a convex bump, 27 is a convex rib, 31 is a lock tongue, and 32 is a lock hole. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents the preferred application of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0021] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.
[0022] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0025] As shown in Figure 1 , Figure 2 and Figure 3 A waterproof vehicle-mounted connector, comprising a panel 1, a connector 2 and a shell 3, a contact assembly is installed in the shell 3, the connector 2 is installed at the front end of the shell 3, the connector 2 is locked with the panel 1 through a locking screw, as shown in Figure 4As shown, the connecting head 2 comprises a body 21, the front end of the body 21 is provided with a flange plate 22, a plurality of through holes are formed on the flange plate 22, a plurality of convexes 26 are formed on the flange plate 22 outside the edge of the through holes, an annular sealing groove is also formed on the flange plate 22, a sealing ring 25 is installed in the annular sealing groove, the front end of the sealing ring 25 protrudes out of the annular sealing groove, a locking screw passes through the through hole and is locked with the panel 1, during installation, the contact assembly, the connecting head 2 and the shell 3 are installed first, and then the flange plate 22 is locked with the panel 1, during locking, since the sealing ring 25 protrudes out of the annular sealing groove, the annular sealing ring 25 is continuously compressed during locking, thereby forming an annular sealing surface on the sealing end surface of the connecting head 2 and the sealing end surface of the panel 1, thereby realizing the waterproofness of the vehicle-mounted connector, and since the convexes 26 are arranged, after the connecting head 2 is locked with the panel 1, the installation flatness between the panel 1 and the connecting head 2 is better, the contact of the whole surface can be reduced, thereby reducing the phenomenon that the installation surface is not flat due to the warping and deformation of the flange plate 22.
[0026] In the embodiment, as shown in the figure, Figure 4 The flange plate 22 is a square plate, the through holes are formed on the four corners of the flange plate 22, and further, the convexes 26 are four and are uniformly distributed on the same circumference.
[0027] In the embodiment, as shown in the figure, Figure 4 A plurality of mistake-preventing notches 23 are formed on the outer edge of the flange plate 22, the sizes of the plurality of mistake-preventing notches 23 are inconsistent, preferably, the mistake-preventing notches 23 are two, the size of the mistake-preventing notch 23 on the upper side wall of the flange plate 22 is larger than that of the mistake-preventing notch 23 on the lower side wall of the flange plate 22, therefore, during installation, the installation can be carried out according to the position of the mistake-preventing notch 23, thereby avoiding the mistake of the connecting head 2, and playing the role of mistake-prevention.
[0028] In the embodiment, as shown in the figure, Figure 4 A locking block 24 is formed on the rear end outer side wall of the body 21, a wedge surface is formed on the rear side wall of the locking block 24, as shown in the figure, Figure 5 A locking tongue 31 is arranged on the shell 3, a locking hole 32 is formed on the locking tongue 31, and the locking tongue 31 belongs to a cantilever structure, when the locking tongue 31 is bent under force, an elastic restoring force is generated, and after the external force disappears, the locking tongue 31 can be reset under the action of the elastic restoring force, the locking block 24 is located in the locking hole 32, during installation, when the wedge surface of the locking block 24 contacts the locking tongue 31, the locking tongue 31 is raised upward, when the locking block 24 enters the position of the locking hole 32, the locking tongue 31 is reset under the action of the elastic restoring force, at this time, the front end surface of the locking block 24 cannot exit the locking hole 32, thereby ensuring the reliability of the installation between the connecting head 2 and the shell 3.
[0029] In the embodiment, a convex rib 27 is further formed on the rear end outer side wall of the body 21, a clamping groove corresponding to the convex rib 27 is formed on the inner side wall of the shell 3, the convex rib 27 is not on the same outer side wall of the body 21 as the locking block 24, and the installation reliability of the connector 2 and the shell 3 is further ensured through cooperation of the convex rib 27 and the clamping groove.
[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A waterproof vehicle-mounted connector, comprising a panel, a connector head and a shell, a contact assembly is installed in the shell, the connector head is installed at the front end of the shell, and the connector head is locked with the panel through a locking screw, characterized in that: The connecting head comprises a body, a flange plate is arranged at the front end of the body, a plurality of through holes are arranged on the flange plate, a plurality of convex blocks are arranged on the flange plate at the outer edges of the through holes, an annular sealing groove is arranged on the flange plate, a sealing ring is arranged in the annular sealing groove, the front end of the sealing ring protrudes out of the annular sealing groove, and the locking screw passes through the through hole and is locked with the panel.
2. The waterproof vehicle connector of claim 1, wherein: The flange plate is a square plate, and the through holes are arranged on the four corners of the flange plate.
3. The waterproof vehicle connector of claim 2, wherein: The convex blocks are four and are uniformly distributed on the same circle.
4. The waterproof vehicle-mounted connector according to any one of claims 1-3, characterized in that: A plurality of error-proof notches are arranged on the outer edge of the flange plate, and the sizes of the error-proof notches are different.
5. The waterproof vehicle connector of claim 4, wherein: The error-proof notches are two, and the size of the error-proof notch on the upper side wall of the flange plate is larger than that of the error-proof notch on the lower side wall of the flange plate.
6. The waterproof vehicle connector of claim 5, wherein: A lock block is arranged on the outer side wall of the rear end of the body, a wedge surface is arranged on the rear side wall of the lock block, a lock tongue is arranged on the shell, a lock hole is arranged on the lock tongue, and the lock block is located in the lock hole.
7. The waterproof vehicle connector of claim 6, wherein: A convex rib is further arranged on the outer side wall of the rear end of the body, a clamping groove corresponding to the convex rib is arranged on the inner side wall of the shell, and the convex rib and the lock block are not on the same outer side wall of the body.