Connector

Abstract

The utility model relates to the technical field of connectors, and particularly discloses a connector which comprises a first connecting assembly and a second connecting assembly connected with the first connecting assembly in an inserted mode. A positioning sliding groove is formed in the first surface of the second shell, the positioning sliding groove comprises two opposite side walls, positioning grooves are formed in the side walls, the positioning fastener comprises a fastener body and elastic arms arranged on the two opposite sides of the fastener body, and positioning protruding points are arranged on the elastic arms; the positioning fastener is mounted in the positioning sliding groove in a sliding manner, so that the positioning convex point is positioned in the positioning groove; the elastic arm positioning design provided by the utility model can effectively save the space and reduce the height, is especially suitable for the connection requirement of a low-high connector, and is provided with the positioning chute and the positioning groove for positioning and connecting the elastic arm and the positioning salient point respectively, thereby effectively ensuring the connection stability between the positioning fastener and the second shell, and improving the reliability of the positioning fastener. And the installation stability of the connector is improved.

Description

Technical Field

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

[0002] Connectors are used to connect two active devices and transmit signals or currents. They have the advantages of good transmission performance and easy installation. They are widely used in electronic devices to achieve signal connection or transmission between functional modules of electronic devices or external devices.

[0003] With the continuous improvement of information technology and the trend of miniaturized structural design of various electronic devices, the connector has gradually been required to have a small space and low-height connection. In the prior art, the female body and the male body of the connector are usually locked and installed with the help of a CPA connector. For example, a stable installation connector with announcement number CN219303986U specifically discloses that a mounting groove is formed on the male body, and the CPA connector includes a guide bar for inserting into the mounting groove. It can be understood from the accompanying drawings that the guide bar is in the shape of a hook extending upward. This locking method will increase the design space and thus increase the height of the connector, and is not suitable for the connection requirements of low-height connectors. Utility Model Content

[0004] In view of the problem that the existing existing connectors are not suitable for small spaces and low-height connection requirements, the utility model provides a connector that can effectively save space and reduce height through the positioning design of the elastic arm, and is particularly suitable for the connection requirements of low-height connectors.

[0005] In order to solve the above technical problems, the specific solutions provided by the utility model are as follows:

[0006] A connector comprises a first connecting component and a second connecting component plug-connected with the first connecting component;

[0007] The first connecting assembly includes a first shell, a first installation cavity is formed inside the first shell, and the second connecting assembly includes a second shell and a positioning fastener provided on the second shell, the second shell is inserted into the first installation cavity, and is positioned and connected to the first shell by the positioning fastener;

[0008] A positioning slot is formed on the first surface of the second housing, the positioning slot includes two opposite side walls, the side walls are formed with positioning grooves, the positioning fastener includes a fastener body and elastic arms arranged on opposite sides of the fastener body, and the elastic arms are provided with positioning protrusions;

[0009] The positioning fastener is slidably installed in the positioning slide groove so that the positioning protrusion is positioned in the positioning groove.

[0010] In some embodiments, the positioning groove also includes a first opening and a first bottom wall facing the first opening, the side wall is formed with a flange, and the elastic arm is limited between the first bottom wall and the flange, limiting the movable space of the elastic arm and serving as a guide for installation, which has the advantages of improving connection stability and facilitating installation.

[0011] In some embodiments, a positioning buckle is provided on the first bottom wall, and a positioning slot for cooperating with the positioning buckle is provided on the fastener body, so as to further improve the connection stability between the positioning fastener and the second shell, thereby improving the use stability of the connector.

[0012] In some embodiments, the first connection assembly further comprises a connection terminal disposed on the first housing, and the connection terminal is a double-arm double-contact structure;

[0013] The second connecting component also includes an FPC cable arranged in the second shell, and the connecting terminal is connected to the FPC cable. The connecting terminal with a double-arm double-contact structure can ensure high stability of signal transmission, is suitable for high-frequency vibration environments, and has the function of preventing foreign objects.

[0014] In some embodiments, a terminal slot and an injection molded part are provided in the first housing;

[0015] The terminal slot includes a notch, and the connecting terminal is inserted into the terminal slot through the notch. The injection molded part is used to seal the notch to prevent liquid glue from penetrating into the contact point of the connecting terminal and affecting the contact performance.

[0016] In some embodiments, the injection molded part includes a sealing surface and a connecting rib connected to the sealing surface, and the connecting rib extends into the interior of the first shell to improve the injection stability of the injection molded part, thereby ensuring the sealing function of the injection molded part.

[0017] In some embodiments, an undercut structure is formed at one end of the connecting rib away from the sealing surface, and the undercut structure is used to prevent the connecting rib from falling off toward the sealing surface, thereby ensuring the sealing function of the injection molded part.

[0018] In some embodiments, the second connecting assembly further comprises a locking member pre-locked on the second housing, the locking member comprising a pressing plate and a first clamping block and a second clamping block extending from an end of the pressing plate;

[0019] A first notch is formed on the FPC cable, the first clamping block is connected with the second shell, and the second clamping block is connected with the first notch. The FPC cable is locked and positioned in the second shell by a locking member to ensure the installation stability of the FPC cable.

[0020] In some embodiments, a second notch is formed on the FPC cable, a second installation cavity is formed in the second shell, and an anti-fool structure for cooperating with the second notch is formed in the second installation cavity to prevent the FPC cable from being inserted from the reverse side.

[0021] In some embodiments, the first surface of the second shell is further formed with a floating connection arm for positioning and connecting with the first shell, the floating connection arm is formed with at least two positioning blocks, and the first shell is formed with a positioning groove at a position corresponding to the positioning block;

[0022] The fastener body is formed with an abutment portion for locking the floating connection arm, which further improves the plugging stability between the first connection component and the second connection component, thereby improving the use stability of the connector.

[0023] Compared with the prior art, the beneficial effect of the utility model is that: the utility model provides a connector, and the elastic arm positioning design provided can effectively save space and reduce height, which is particularly suitable for the connection requirements of low-height connectors, and is provided with a positioning groove and a positioning groove to respectively position and connect the elastic arm and the positioning protrusion, effectively ensuring the connection stability between the positioning fastener and the second shell, thereby improving the installation stability of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a connector provided in an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the first connecting assembly provided in an embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the second connecting assembly provided in an embodiment of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the second housing provided in an embodiment of the utility model;

[0028] Figure 5 and Figure 6 It is a structural schematic diagram of a positioning fastener provided in an embodiment of the utility model;

[0029] Figure 7 A cross-sectional view of the installation process of the positioning fastener and the second housing provided in an embodiment of the utility model;

[0030] Figure 8 A cross-sectional view of the positioning fastener and the second housing provided in the embodiment of the utility model after installation;

[0031] Fig. 9 An exploded view of a first connecting assembly provided in an embodiment of the utility model;

[0032] Fig.10 An exploded view of the second connecting assembly provided in the embodiment of the utility model

[0033] Fig.11 A cross-sectional view of a connector provided in an embodiment of the utility model;

[0034] Fig.12 and Fig.13 A cross-sectional view of a first connecting assembly provided in an embodiment of the utility model;

[0035] Fig.14 This is a schematic diagram of the installation of the FPC assembly provided in the embodiment of the utility model;

[0036] Fig.15 A schematic diagram of the abutment between the floating connecting arm and the abutment portion provided in an embodiment of the utility model;

[0037] 1-first connecting component; 11-first housing; 111-positioning groove; 12-first mounting cavity; 13-connecting terminal; 14-terminal slot; 15-injection molded part; 151-sealing surface; 152-connecting rib; 1521-undercut structure;

[0038] 2-second connecting assembly; 21-second housing; 22-positioning fastener; 221-fastener body; 2211-abutting portion; 222-elastic arm; 223-positioning protrusion; 224-positioning slot; 23-positioning slide; 231-side wall; 232-positioning groove; 233-first bottom wall; 234-flange; 235-positioning buckle; 24-FPC cable; 241-first notch; 242-second notch; 25-locking fastener; 251-pressing plate; 252-first card block; 253-second card block; 26-second mounting cavity; 261-foolproof structure; 27-floating connecting arm; 271-positioning block;

[0039] 3-PCB board. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. The described implementation is a part of the implementation of the utility model, not all of the implementations.

[0041] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0042] For example, a connector includes a first connecting component and a second connecting component plugged into and connected to the first connecting component; the first connecting component includes a first shell, a first installation cavity is formed inside the first shell, the second connecting component includes a second shell and a positioning fastener arranged on the second shell, the second shell is plugged into the first installation cavity, and is positioned and connected to the first shell by the positioning fastener; a positioning slot is formed on the first surface of the second shell, the positioning slot includes two opposite side walls, the side walls are formed with a positioning groove, the positioning fastener includes a fastener body and elastic arms arranged on opposite sides of the fastener body, and a positioning protrusion is arranged on the elastic arm; the positioning fastener is slidably installed in the positioning slot so that the positioning protrusion is positioned in the positioning groove.

[0043] A connector provided in this embodiment has an elastic arm positioning design that can effectively save space and reduce height, and is particularly suitable for the connection requirements of low-height connectors. A positioning groove and a positioning groove are provided to respectively position and connect the elastic arm and the positioning protrusion, effectively ensuring the connection stability between the positioning fastener and the second shell, thereby improving the installation stability of the connector.

[0044] Embodiment 1:

[0045] like Figure 1-Figure 8 As shown, a connector includes a first connecting component 1 and a second connecting component 2 plugged into the first connecting component 1. After the first connecting component 1 and the second connecting component 2 are plugged into each other, they are used to transmit signals or currents. Usually, the position of the first connecting component 1 is fixed, such as installing the first connecting component 1 on a PCB board 3, and the first connecting component 1 and the PCB board 3 are detachably connected. Relative to the first connecting component 1, the position of the second connecting component 2 is movable. When the signal or current transmission function needs to be realized, the second connecting component 2 only needs to be plugged into the first connecting component 1.

[0046] The first connecting component 1 includes a first shell 11, and a first installation cavity 12 is formed inside the first shell 11. The second connecting component 2 includes a second shell 21 and a positioning fastener 22 arranged on the second shell 21. The second shell 21 is inserted into the first installation cavity 12 and is positioned and connected to the first shell 11 by the positioning fastener 22. It can be understood that the internal space size of the first installation cavity 12 matches the external structure of the second shell 21 inserted therein. After the second shell 21 is inserted into the first installation cavity 12, it is positioned and connected to the first shell 11 by the positioning fastener 22.

[0047] A positioning slot 23 is formed on the first surface of the second shell 21, for example, the first surface is the upper surface of the second shell 21, the positioning slot 23 is formed on the upper surface of the second shell 21, and the positioning slot 23 includes two opposite side walls 231. For ease of understanding, the two side walls are set here as the first side wall and the second side wall, respectively, and positioning grooves 232 are formed on the first side wall and the second side wall. The positioning fastener 22 includes a fastener body 221 and elastic arms 222 arranged on opposite sides of the fastener body 221, including a first elastic arm and a second elastic arm, and positioning protrusions 223 are arranged on the first elastic arm and the second elastic arm.

[0048] When the positioning fastener 22 is connected to the second shell 21, the positioning fastener 22 is slidably installed in the positioning slot 23, that is, along the set installation direction, the positioning fastener 22 is slid along the positioning slot 23 until the positioning protrusions 223 on the first elastic arm and the second elastic arm are respectively positioned in the positioning grooves 232 on the first side wall and the second side wall.

[0049] It should be noted that the positioning fastener 22 in this example includes a fastener body 221 and elastic arms 222 arranged on opposite sides of the fastener body 221. The elastic arms 222 have an elastic force, and the fastener body 221 provides a connection and fixing function for the elastic arms 222. The distance between the two opposite side walls of the positioning slot 23 is equal to the distance between the two elastic arms 222 under normal conditions. For ease of understanding, the positioning protrusion 223 is set to be located in the middle of the elastic arm 222, that is, when the positioning fastener 22 is moved along the positioning slot 23, the positioning protrusion 223 is located in the middle of the elastic arm 222. During the sliding installation, one end of the elastic arm 222 starts to slide along the side wall of the positioning slot 23. When the positioning protrusion 223 starts to enter the positioning slot 23, the elastic arm 222 is squeezed and deformed. When the positioning protrusion 223 slides in the positioning slot 23 to the position corresponding to the positioning groove 232, the positioning protrusion 223 is positioned in the positioning groove 232 under the elastic force of the elastic arm 222. At this time, the positioning installation of the positioning fastener 22 is completed, ensuring the installation stability of the positioning fastener 22 and the second shell 21.

[0050] A connector provided in this example has a positioning fastener 22, also called CPA, which uses two opposing elastic arms 222 and cooperates to form a positioning groove 23 on the second shell 21. When the elastic arm 222 is squeezed in the positioning groove 23, it will deform, so that during the continued sliding process, the elastic force of the elastic arm 222 can be used to position the positioning protrusion 223 in the positioning groove 232, replacing the traditional connector installation and connection method of setting CPA in the height direction, effectively saving space and reducing height, and is particularly suitable for the connection requirements of low-height connectors, and can effectively ensure the connection stability between the positioning fastener 22 and the second shell 21, thereby improving the installation stability of the connector.

[0051] Embodiment 2:

[0052] refer to Figure 5-Figure 8 The positioning slide groove 23 also includes a first opening and a first bottom wall 233 facing the first opening, and a flange 234 is formed on the side wall. The elastic arm 222 is limited between the first bottom wall 233 and the flange 234, which limits the activity space of the elastic arm 222 and plays a role in guiding the installation, which has the advantages of improving the connection stability and facilitating installation.

[0053] The installation positions of the two elastic arms 222 in the horizontal direction are limited by the two opposite side walls of the positioning groove 23, and the movable space of the elastic arms 222 in the vertical direction is limited by the flange 234 cooperating with the first bottom wall 233, thereby further ensuring the installation and connection stability between the positioning fastener 22 and the second shell 21. In addition, a guide groove is formed between the flange 234 and the first bottom wall 233, which guides the sliding installation of the positioning fastener 22.

[0054] In some embodiments, a positioning buckle 235 is provided on the first bottom wall 233, and a positioning slot 224 for cooperating with the positioning buckle 235 is provided on the fastener body 221, further improving the connection stability between the positioning fastener 22 and the second shell 21, thereby improving the use stability of the connector.

[0055] A connector provided in this example, after using the positioning slide groove 23 and the positioning groove 232 to respectively position and connect the elastic arm 222 and the positioning protrusion 223, combined with the positioning connection relationship between the positioning buckle 235 and the positioning slot 224, further improves the installation and connection stability between the positioning fastener 22 and the second shell 21.

[0056] Embodiment three:

[0057] refer to Figure 9-11The first connecting component 1 also includes a connecting terminal 13 arranged on the first shell 11. The connecting terminal 13 is a double-arm double-contact structure. The connecting terminal 13 with a double-arm double-contact structure can, on the one hand, meet the power-on requirements of large currents and the requirements of multiple pins, and on the other hand, can have the function of preventing foreign objects from passing through, ensuring the stability of signal transmission, and can be used in a high-frequency vibration environment.

[0058] The second connection component 2 also includes an FPC cable 24 disposed in the second shell 21, and the connecting terminal 13 is connected to the FPC cable 24. After the second shell 21 is inserted into the first installation cavity 12, the FPC cable 24 establishes a connection relationship with the connecting terminal 13, thereby realizing the function of transmitting signals and currents of the connector.

[0059] Embodiment 4:

[0060] refer to Fig. 9 and Fig.11 A terminal slot 14 and an injection molded part 15 are provided in the first shell 11; the terminal slot 14 includes a notch, and the connecting terminal 13 is inserted into the terminal slot 14 through the notch. The injection molded part 15 is used to seal the notch to prevent liquid glue from penetrating into the contact point of the connecting terminal 13 and affecting the contact performance.

[0061] The contact point of the connecting terminal 13 is inserted into the terminal slot 14 through the notch to achieve a connection relationship with the second connecting component 2. Usually, the portion of the connecting terminal 13 exposed at the notch will be sprayed with liquid glue, and the liquid glue will penetrate into the contact point of the connecting terminal 13. Therefore, in this example, an injection molded part 15 is injection molded at the notch, and the notch is sealed by the injection molded part 15, so that the liquid glue cannot penetrate into the contact point of the connecting terminal 13, thereby ensuring the contact performance.

[0062] In some embodiments, the injection molded part 15 includes a sealing surface 151 and a connecting rib 152 connected to the sealing surface 151 . The connecting rib 152 extends into the interior of the first shell 11 to improve the injection stability of the injection molded part 15 and thereby ensure the sealing function of the injection molded part 15 .

[0063] Specifically, an undercut structure 1521 is formed at one end of the connecting rib 152 away from the sealing surface 151, and the undercut structure 1521 is used to prevent the connecting rib 152 from falling off toward the sealing surface 151, thereby ensuring the sealing function of the injection molded part 15. Fig.12 The connecting rib 152 includes a first portion away from the sealing surface 151 and a second portion close to the sealing surface 151. The first portion and the second portion are both cylindrical structures, and the diameter of the first portion is greater than the diameter of the second portion. This undercut structure 1521 can prevent the injection molded part 15 from falling off toward the sealing surface 151 after the injection molding of the injection molded part 15. Similarly, refer to Fig.13The connecting rib 152 is a truncated cone structure, and the diameter of the connecting rib 152 away from the sealing surface 151 is larger than the diameter of the portion close to the sealing surface 151. This undercut structure 1521 can also ensure that the injection molded part 15 is prevented from falling off toward the sealing surface 151 after the injection molding.

[0064] It should be understood that in this example, the specific structure of the connecting rib 152 is not limited. It is only necessary to form an undercut structure 1521 that can prevent the injection molded part 15 from falling off toward the sealing surface 151 .

[0065] Embodiment five:

[0066] refer to Fig.10 and Fig.14 The second connecting component 2 also includes a locking member 25 pre-locked on the second shell 21, and the locking member 25 includes a pressing plate 251 and a first clamping block 252 and a second clamping block 253 extending from the end of the pressing plate 251; a first notch 241 is formed on the FPC cable 24, the first clamping block 252 is matched and connected with the second shell 21, and the second clamping block 253 is matched and connected with the first notch 241, and the FPC cable 24 is locked and positioned in the second shell 21 by the locking member 25, thereby ensuring the installation stability of the FPC cable 24.

[0067] For example, at least two limit points are formed on the second shell 21 toward the first block 252. When the first block 252 passes through the first limit point and enters the second limit point, the locking member 25 is locked on the second shell 21. At the same time, the second block 253 is connected with the first notch 241, so that the FPC cable 24 is locked and positioned in the second shell 21.

[0068] A second notch 242 is formed on the FPC cable 24, a second mounting cavity 26 is formed in the second housing 21, and a foolproof structure 261 is formed in the second mounting cavity 26 for cooperating with the second notch 242 to prevent the FPC cable 24 from being inserted upside down.

[0069] refer to Fig. 9 and Fig.15 In some embodiments, a floating connecting arm 27 for positioning and connecting with the first shell 11 is also formed on the first surface of the second shell 21. At least two positioning blocks 271 are formed on the floating connecting arm 27. A positioning groove 111 is formed on the first shell 11 at a position corresponding to the positioning block 271.

[0070] After the second housing 21 is inserted into the first installation cavity 12 , the two positioning blocks 271 on the floating connecting arm 27 are limitedly positioned in the positioning grooves 111 on the first housing 11 , so that the first housing 11 and the second housing 21 are connected.

[0071] In order to further improve the connection stability between the first shell 11 and the second shell 21, an abutment portion 2211 for locking the floating connecting arm 27 is formed on the fastener body 221. After the second shell 21 is inserted into the first installation cavity 12, the floating connecting arm 27 can still be in a floating state under the action of external force. Therefore, in this example, by forming the abutment portion 2211 on the fastener body 221 and utilizing the abutment relationship between the abutment portion 2211 and the floating connecting arm 27, after the second shell 21 is inserted into the first installation cavity 12, the abutment portion 2211 abuts against the floating connecting arm 27 to prevent the floating connecting arm 27 from floating, thereby ensuring the insertion stability between the first shell 11 and the second shell 21, thereby improving the stability of the connector.

[0072] To sum up, the connector provided by the utility model has an elastic arm positioning design that can effectively save space and reduce height, and is particularly suitable for the connection requirements of low-height connectors. Positioning grooves and positioning grooves are provided to respectively position and connect the elastic arm and the positioning protrusion, effectively ensuring the connection stability between the positioning fastener and the second shell, thereby improving the installation stability of the connector.

[0073] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0075] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

Claims

1. A connector, It is characterized in that It comprises a first connecting component (1) and a second connecting component (2) plug-connected to the first connecting component (1); The first connecting assembly (1) comprises a first shell (11), a first installation cavity (12) is formed inside the first shell (11), the second connecting assembly (2) comprises a second shell (21) and a positioning fastener (22) arranged on the second shell (21), the second shell (21) is inserted into the first installation cavity (12), and is positioned and connected to the first shell (11) by the positioning fastener (22); A positioning slot (23) is formed on the first surface of the second shell (21), the positioning slot (23) includes two opposite side walls (231), the side walls (231) are formed with positioning grooves (232), the positioning fastener (22) includes a fastener body (221) and elastic arms (222) arranged on opposite sides of the fastener body (221), and the elastic arms (222) are provided with positioning protrusions (223); The positioning fastener (22) is slidably installed in the positioning slide groove (23) so that the positioning protrusion (223) is positioned in the positioning groove (232).

2. The connector according to claim 1, It is characterized in that The positioning slide groove (23) further comprises a first opening and a first bottom wall (233) facing the first opening, the side wall (231) is formed with a flange (234), and the elastic arm (222) is limited between the first bottom wall (233) and the flange (234).

3. The connector according to claim 2, It is characterized in that A positioning buckle (235) is provided on the first bottom wall (233), and a positioning slot (224) for cooperating with the positioning buckle (235) is provided on the buckle body (221).

4. The connector according to claim 1, It is characterized in that The first connection assembly (1) further comprises a connection terminal (13) arranged on the first housing (11), and the connection terminal (13) is a double-arm double-contact structure; The second connection assembly (2) further comprises an FPC cable (24) arranged on the second housing (21), and the connection terminal (13) is connected to the FPC cable (24).

5. The connector according to claim 4, It is characterized in that The first housing (11) is provided with a terminal slot (14) and an injection molded part (15); The terminal slot (14) comprises a notch, the connection terminal (13) is inserted into the terminal slot (14) through the notch, and the injection molded part (15) is used to seal the notch.

6. The connector according to claim 5, It is characterized in that The injection molded part (15) comprises a sealing surface (151) and a connecting rib (152) connected to the sealing surface (151), wherein the connecting rib (152) extends into the interior of the first shell (11).

7. The connector according to claim 6, It is characterized in that An undercut structure (1521) is formed at one end of the connecting rib (152) away from the sealing surface (151), and the undercut structure (1521) is used to prevent the connecting rib (152) from falling off in the direction of the sealing surface (151).

8. The connector according to claim 4, It is characterized in that The second connection assembly (2) further comprises a locking member (25) pre-locked on the second housing (21), the locking member (25) comprising a pressing plate (251) and a first clamping block (252) and a second clamping block (253) extending from the end of the pressing plate (251); A first notch (241) is formed on the FPC cable (24); the first clamping block (252) is connected in cooperation with the second housing (21); and the second clamping block (253) is connected in cooperation with the first notch (241).

9. The connector according to claim 8, It is characterized in that A second notch (242) is also formed on the FPC cable (24), a second installation cavity (26) is formed in the second shell (21), and a fool-proof structure (261) for cooperating and connecting with the second notch (242) is formed in the second installation cavity (26).

10. The connector according to claim 1, It is characterized in that The first surface of the second shell (21) is also formed with a floating connection arm (27) for positioning and connecting with the first shell (11); at least two positioning blocks (271) are formed on the floating connection arm (27); and positioning grooves (111) are formed on the first shell (11) at positions corresponding to the positioning blocks (271); The buckle body (221) is formed with an abutment portion (2211) for locking the floating connecting arm (27).

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