Waterproof FAKRA connector

Abstract

The utility model discloses a waterproof FAKRA connector, and relates to the field of FAKRA connectors. A mounting seat is fixedly arranged on the surface of one side of a main shell, a hook groove is formed in the mounting seat, a clamping convex opening is formed in the position, located at the bottom of the hook groove, of the main shell, a connecting opening is formed in the side, away from the clamping convex opening, of the main shell, and the connecting opening penetrates through the main shell to be communicated with the hook groove; the outer conductor structure comprises an outer conductor main body inserted in the hook groove, the surface of the outer conductor main body is fixedly provided with clamping hooks clamped with the hook groove, the surface of the outer conductor main body is surrounded by a waterproof ring I between the clamping hooks, and the surface of the outer conductor main body is surrounded by a clamping convex block at the position of the clamping convex opening; an insulator is inserted into the outer conductor body, a second waterproof ring is arranged on one side of the insulator in an abutting mode, and a center pin penetrating through the second waterproof ring is inserted into the insulator. The waterproof effect is achieved through connection of the multiple waterproof rings, the problem that the dispensing process consumes long time is solved, meanwhile, the multiple protruding blocks abut against one another, and the overall stability of the connector is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of FAKRA connectors, in particular to a waterproof FAKRA connector. BACKGROUND

[0002] The waterproof FAKRA connector is a connector developed to meet the needs of car radio antenna connection. Because of its stable interface design, it can ensure that it can still maintain good connection state in harsh working environment. With the continuous progress of technology and the growth of application demand, the waterproof FAKRA connector gradually develops into a general standard radio frequency connector in the automotive industry, and is widely used in car audio, navigation, video and other systems. The existing waterproof FAKRA connector usually uses insulator tail point glue means to seal the inside of the connector during manufacturing. However, the point glue process needs to wait for a long time for the glue to form, thereby reducing the production efficiency of the connector. And when the glue is not fixed, the internal structure of the connector is easy to deviate due to vibration, thereby reducing the sealing performance. CONTENT OF THE UTILITY MODEL

[0003] In order to improve the problem that the conventional waterproof FAKRA connector takes too long time for point glue and reduces production efficiency, and is easy to deviate the internal structure and affect the sealing performance, the present application provides a waterproof FAKRA connector.

[0004] The waterproof FAKRA connector provided by the present application adopts the following technical scheme:

[0005] A waterproof FAKRA connector, comprising a main shell, a mounting seat is fixed on one side surface of the main shell, a hook groove is formed in the inside of the mounting seat, a clamping protrusion is arranged at the bottom of the hook groove of the main shell, a connecting port is formed on the side of the main shell away from the clamping protrusion, and the connecting port penetrates through the main shell and communicates with the hook groove;

[0006] The outer conductor structure comprises an outer conductor body inserted into the hook groove, clamping hooks are fixed on the surface of the outer conductor body and clamped with the hook groove, waterproof rings one are arranged around the surface of the outer conductor body between the clamping hooks, and clamping protrusions are arranged around the position of the clamping protrusion on the surface of the outer conductor body.

[0007] An insulator is inserted into the inside of the outer conductor body, waterproof rings two are arranged on one side of the insulator, and a center pin penetrating through the waterproof rings two is inserted into the inside of the insulator.

[0008] By adopting the technical scheme, the waterproof ring one seals the main shell body and the outer lead body, and the waterproof ring two seals the insulator, thereby sealing and waterproofing the connector from the front and rear ends, and the outer lead body is fixed to the main shell body through the clamping protrusion and the clamping hook, and the insulator is fixed to the outer lead body through the mounting protrusion one, thereby improving the overall stability of the connector.

[0009] Preferably, a mounting groove two is arranged on one side surface of the main shell body close to the hook groove, the mounting groove two is communicated with the hook groove, a plurality of limiting blocks are fixedly arranged on the outer surface of the main shell body, and a buckle is fixedly arranged on the outer surface of the main shell body between two limiting blocks.

[0010] By adopting the technical scheme, the mounting groove two is communicated with the hook groove, thereby reserving an insertion space for the outer lead body to be inserted into the main shell body, and when the main shell body is connected with the external structure, the plurality of limiting blocks and the buckle are inserted into the external structure, thereby assisting in improving the connection stability.

[0011] Preferably, a mounting groove one is arranged on one side surface of the outer lead body close to the mounting seat, a limiting opening is arranged on the bottom of the mounting groove one, and the inner wall of the limiting opening is in abutment with the surface of the insulator and the waterproof ring two respectively.

[0012] By adopting the technical scheme, the inner wall of the limiting opening is in abutment with the insulator and the waterproof ring two, thereby forming a mutual extrusion force, so as to fix the insulator and the waterproof ring two in the outer lead body, and the limiting opening is communicated with the mounting groove one, thereby reserving an insertion space for the installation of the insulator.

[0013] Preferably, a plurality of positioning columns are fixedly arranged on the side surface of the outer lead body around the mounting groove one, and a positioning block is fixedly arranged between the plurality of positioning columns on the side surface of the outer lead body.

[0014] By adopting the technical scheme, when the mounting seat is butted against the outgoing end of the external device, the positioning column and the positioning block are inserted into the shell of the external device, thereby assisting in improving the connection stability.

[0015] Preferably, a mounting protrusion one is protrusively arranged on one side surface of the insulator away from the waterproof ring two, and the mounting protrusion one is in abutment with the inner wall of the mounting groove one.

[0016] By adopting the technical scheme, the mounting protrusion one is in abutment with the inner wall of the mounting groove one, thereby forming a mutual extrusion force, so as to fix the insulator as a whole in the outer lead body.

[0017] Preferably, a insertion hole is arranged in the middle of the insulator, and the insertion hole is connected with the center needle in a penetrating manner.

[0018] By adopting the technical scheme, the insertion hole is arranged to reserve a space for the insertion of the center needle, and the insertion hole is inserted with the center needle, thereby fixing the center needle.

[0019] Preferably, the center needle outer surface protrusion is provided with a plurality of mounting protrusions two, and the plurality of mounting protrusions two are in abutment with the inner wall of the socket.

[0020] By adopting the above technical scheme, the mounting protrusions two are in abutment with the inner wall of the socket, forming a mutual extrusion force, thereby fixing the center needle in the socket.

[0021] Preferably, the center needle sequentially penetrates the insulator and the waterproof ring two located in the limiting port.

[0022] By adopting the above technical scheme, the center needle is fixed by penetrating the insulator at the plug end, and then forms a sealed connection by penetrating the waterproof ring, thereby being located in the limiting port and being connected with the external docking device.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The waterproof ring one and the waterproof ring two are located at the upper and lower ends of the connector, filling the connection gap, and being fixed by the mutual extrusion of the plurality of protrusions, achieving good sealing effect, ensuring the waterproof function of the connector, improving the long time-consuming defect of the conventional glue process, cooperating with the physical connection mode, making the connector plug and play, and greatly improving the production efficiency of the connector.

[0025] 2. The main shell and the outer conductor body are connected by the hook and the clamping protrusion, the insulator and the outer conductor body are connected by the mounting protrusion one, and the center needle is fixed with the insulator by the mounting protrusion two, and the structure is extruded by the sleeve ring, effectively ensuring the connection stability of the connector. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a three-dimensional schematic view of the present application;

[0027] Figure 2 is an internal structure diagram of the present application;

[0028] Figure 3 is a side sectional view of the outer conductor structure of the present application;

[0029] Figure 4 is a side sectional connection diagram of the present application;

[0030] Figure 5 is an exploded sectional view of the present application.

[0031] Reference signs: 1, main shell; 2, mounting seat;

[0032] 3, outer conductor structure; 31, outer conductor body; 32, positioning column; 33, positioning block; 34, mounting groove one; 35, limiting port; 36, hook; 37, waterproof ring one; 38, clamping protrusion;

[0033] 4, insulator; 5, center pin; 6, limiting block; 7, buckle; 8, installation groove two; 9, hook groove; 10, clamping protrusion; 11, connecting port; 12, insertion hole; 13, installation protrusion one; 14, installation protrusion two; 15, waterproof ring two. DETAILED DESCRIPTION

[0034] The following description will be made in conjunction with the accompanying drawings Figures 1-5 The application is further described in detail.

[0035] The embodiment of the application discloses a waterproof FAKRA connector.

[0036] The "up, down, left, right" perspective of the device is based on the Figure 2 The direction of the drawing is the reference.

[0037] Referring to Figure 1 , Figure 2 , Figure 3 A waterproof FAKRA connector, comprising a main shell 1, the main shell 1 is cylindrical as a whole, and a plurality of long strip-shaped limiting blocks 6 are fixedly arranged around the cylindrical surface of the main shell 1, a buckle 7 is fixedly arranged on the surface of the main shell 1 between two limiting blocks 6, and an installation seat 2 is protrudingly arranged on one side of the side surface of the main shell 1 close to the buckle 7, an installation groove two 8 is formed in the side surface of the installation seat 2 away from the buckle 7, a hook groove 9 is further formed in the bottom of the installation groove two 8, a plurality of hook holes are arranged on the surface of the hook groove 9, and a clamping protrusion 10 is fixedly arranged on the surface of the hook groove 9 away from the installation groove two 8, a circular connecting port 11 is formed in the side surface of the main shell 1 away from the installation seat 2, and the connecting port 11 is in communication with the hook groove 9 through the main shell 1.

[0038] When the top end of the main shell 1 is connected with the outlet end of an external device, the port of the external device is inserted into the connecting port 11 and connected with the center pin 5, the plurality of limiting blocks 6 and the buckle 7 are connected with the insertion port on the outer surface of the port, so that the looseness of the device and the connector is prevented, the stability is improved, the installation groove two 8 is in communication with the hook groove 9 and the connecting port 11 through the main shell 1, so as to reserve a fixing space for the subsequent installation of the outer conductor structure 3, the clamping protrusion 10 is protrudingly arranged in the groove of the hook groove 9, so as to abut and limit the outer conductor structure 3 and provide a fixed fulcrum.

[0039] Referring to Figure 2 , Figure 3 , Figure 4The outer conductor structure 3 includes an outer conductor body 31 connected in the installation groove two 8, the outer conductor body 31 is cylindrical as a whole, and the cylindrical surface is inserted into the connecting port 11, the outer conductor body 31 is located in the position of the installation groove two 8 and is provided as a rectangular block, the rectangular block is embeddedly connected with the installation groove two 8, and a plurality of clamping hooks 36 are fixedly arranged on the top of the rectangular block and surround the outer conductor body 31, the clamping hooks 36 are hooked and fixed with the hook holes of the hook groove 9, waterproof rings one 37 are glued between the outer surface of the outer conductor body 31 and the clamping hooks 36, and when the clamping hooks 36 are connected with the hook groove 9, the waterproof rings one 37 are located directly between the outer conductor body 31 and the main shell 1 to form a seal (as shown in Figure 4 The surface of the rectangular block of the outer conductor body 31 is provided with a plurality of positioning blocks 33 surrounding the installation groove one 34, and a positioning column 32 is fixedly arranged between every two positioning blocks 33 on the surface of the rectangular block, and a clamping protrusion 38 is protrudedly arranged on the outer surface of the outer conductor body 31 and abuts against the clamping protruding port 10.

[0040] It should be noted that the surface of the rectangular block of the outer conductor body 31 is provided with a plurality of positioning blocks 33 surrounding the installation groove one 34, and a positioning column 32 is fixedly arranged between every two positioning blocks 33 on the surface of the rectangular block, and a clamping protrusion 38 is protrudedly arranged on the outer surface of the outer conductor body 31 and abuts against the clamping protruding port 10.

[0041] The clamping protrusion 38 abuts against the clamping protruding port 10, and a plurality of clamping hooks 36 are clamped and fixed in the hook groove 9 to form mutual extrusion force, so as to fix the outer conductor body 31 in the main shell 1 to form integral fixation, and the bottom of the outer conductor body 31 is rectangularly embeddedly fixed in the installation groove two 8 to assist in improving the stability of the outer conductor body 31 and the main shell 1, when the outer conductor body 31 is inserted into the main shell 1, a plurality of clamping hooks 36 drive the waterproof rings one 37 to abut against the installation groove two 8, effectively fill the connection gap between the outer conductor body 31 and the main shell 1, so as to improve the sealing performance, meanwhile, the limiting port 35 is communicated with the installation groove one 34, so that the inner part of the outer conductor body 31 is penetrated, and space is reserved for the subsequent installation and fixation of the center needle 5.

[0042] Referring to Figure 2 , Figure 4 , Figure 5 The installation groove one 34 is insertedly provided with an insulator 4, the outer surface of the insulator 4 is step-shaped and shrinks inwardly, so as to abut against the inner wall of the limiting port 35, and the outer surface of the insulator 4 is protrudedly provided with an installation protrusion one 13 at the position of the installation groove one 34, the installation protrusion one 13 is embeddedly and insertedly connected with the inner wall of the limiting port 35, the inner part of the insulator 4 is provided with an insertion hole 12, the inner wall of the insertion hole 12 is step-shaped and shrinks, and the center needle 5 is insertedly connected in the insertion hole 12, the outer surface of the center needle 5 is protrudedly provided with an installation protrusion two 14 at the position of the step-shaped shrink of the inner wall of the insertion hole 12, and the installation protrusion two 14 abuts against the inner wall of the insertion hole 12.

[0043] It needs to be explained that the side surface of the insulator 4 close to the connecting port 11 is abutted with the waterproof ring two 15, and the outer surface of the waterproof ring two 15 is fixedly abutted with the limiting port 35. The butt joint end of the front end of the center needle 5 is penetrated from the insertion hole 12 to the center of the waterproof ring two 15, and the penetrated end is located in the range of the limiting port 35.

[0044] The mounting protrusion one 13 is inserted into the mounting groove one 34, and the trapezoidal neck of the surface of the insulator 4 is inserted into the limiting port 35, so that the insulator 4 is fixed in the inside of the outer guide body 31 as a whole, and the waterproof ring two 15 is fixed at the top of the insulator 4. The waterproof ring two 15 is abutted with the inner wall of the limiting port 35 to form a seal, so as to fill the connecting gap between the insulator 4 and the outer guide body 31, and cooperate with the waterproof ring one 37 to form the overall sealing waterproof effect of the connector. The mounting protrusion two 14 is inserted into the insertion hole 12 to form a clamping connection, so that the center needle 5 is fixed in the middle of the insulator 4, and the butt joint end of the top of the center needle 5 is penetrated through the waterproof ring two 15 and located in the limiting port 35. The waterproof effect of the waterproof ring two 15 is achieved, and the outlet end of the external device is connected.

[0045] The implementation principle of the waterproof FAKRA connector in the embodiment of the application is as follows: when the connector is used, the outer guide body 31 is inserted into the main shell 1 as a whole from the mounting groove two 8. With the continuous insertion of the outer guide body 31, the clamping protrusion 38 is abutted with the clamping protruding port 10 to form extrusion, and the plurality of clamping hooks 36 are inserted into the hook groove 9 one by one to form fixation. When the outer guide body 31 is completely inserted into the main shell 1, the waterproof ring one 37 is abutted with the bottom of the mounting groove two 8 to form the seal of the outer guide body 31 and the main shell 1. The rectangular block of the outer guide body 31 is inserted into the mounting groove two 8 to form clamping connection, so as to fix the connection of the outer guide body 31 and the main shell 1, and prevent the outer guide body 31 from being excessively inserted.

[0046] Then the waterproof ring two 15 is inserted into the mounting groove one 34, and then the insulator 4 is inserted into the mounting groove one 34. With the insertion of the insulator 4, the waterproof ring two 15 is pushed into the trapezoidal neck of the limiting port 35 to form clamping connection, and the mounting protrusion one 13 is also clamped and fixed with the mounting groove one 34 to form the seal of the outer guide body 31 and the insulator 4. Then the center needle 5 is inserted through the insulator 4 and then penetrates through the waterproof ring two 15 and is located in the limiting port 35. In this way, the main shell 1, the outer guide body 31, the insulator 4 and the center needle 5 are integrally fixed, and the interaction force is formed by physical insertion to effectively ensure the overall stability of the connector. The waterproof ring one 37 and the waterproof ring two 15 are located at the upper and lower ends of the connector to form a seal, thereby ensuring the waterproof function of the connector.

[0047] The above merely describes optional embodiments of the present disclosure, and is not intended to limit the present disclosure. The present disclosure can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A waterproof FAKRA connector, characterized by: Including the main casing (1), one side surface of the main casing (1) is fixed with the mounting seat (2), the mounting seat (2) is internally provided with the hook groove (9), the main casing (1) is provided with the clamping lug (10) at the bottom of the hook groove (9), the main casing (1) is provided with the connecting port (11) on the side away from the clamping lug (10), the connecting port (11) penetrates the main casing (1) and is communicated with the hook groove (9); The outer conductor structure (3) includes an outer conductor body (31) inserted into the hook groove (9), the outer conductor body (31) is fixed with a clamping hook (36) clamped with the hook groove (9), the outer conductor body (31) is circumferentially provided with a waterproof ring I (37) between the clamping hooks (36), and the outer conductor body (31) is circumferentially provided with a clamping lug (38) at the position of the clamping lug (10). The outer conductor body (31) is internally provided with an insulator (4), one side of the insulator (4) is abutted with a waterproof ring II (15), and the insulator (4) is internally provided with a center needle (5) penetrating the waterproof ring II (15).

2. A waterproof FAKRA connector according to claim 1, characterized in that: The main casing (1) is provided with a mounting groove II (8) on the side surface close to the hook groove (9), the mounting groove II (8) is communicated with the hook groove (9), the main casing (1) is circumferentially fixed with a plurality of limiting blocks (6) on the outer surface, and the main casing (1) is fixed with a buckle (7) between two limiting blocks (6) on the outer surface.

3. A waterproof FAKRA connector according to claim 1, characterized in that: The outer conductor body (31) is provided with a mounting groove I (34) on the side surface close to the mounting seat (2), the outer conductor body (31) is provided with a limiting port (35) at the bottom of the mounting groove I (34), and the inner wall of the limiting port (35) is respectively abutted with the surface of the insulator (4) and the waterproof ring II (15).

4. A waterproof FAKRA connector according to claim 3, characterized in that: The outer conductor body (31) is circumferentially fixed with a plurality of positioning columns (32) on the side surface of the mounting groove I (34), and the outer conductor body (31) is fixed with a positioning block (33) between the plurality of positioning columns (32) on the side surface.

5. A waterproof FAKRA connector according to claim 1, characterized in that: The insulator (4) is provided with a mounting lug I (13) protruding from the side surface away from the waterproof ring II (15), and the mounting lug I (13) is abutted with the inner wall of the mounting groove I (34).

6. A waterproof FAKRA connector according to claim 1, characterized in that: The insulator (4) is provided with a plug hole (12) in the middle, and the plug hole (12) is connected with the center needle (5).

7. A waterproof FAKRA connector according to claim 6, characterized in that: The center needle (5) is provided with a plurality of mounting lugs II (14) protruding from the outer surface, and the plurality of mounting lugs II (14) are abutted with the inner wall of the plug hole (12).

8. A waterproof FAKRA connector according to claim 3, characterized in that: The center needle (5) penetrates the insulator (4) and the waterproof ring II (15) in the limiting port (35) in sequence.

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