Button type waterproof power connector with buckle

Abstract

A button type waterproof power supply connector with a buckle is provided with a housing assembly, the housing assembly comprises a housing, the top of the housing is provided with a button groove, and the rear part of the housing is provided with a threaded section; the key is arranged in the key groove, an elastic piece is fixed at the bottom of the key, and an upward force is applied all the time; the inner core conductive assembly is fixed between the shell assembly and the wire clamp assembly and is used for circuit communication; the rear end of the wire clamp assembly is provided with an elastic clamping piece and is provided with an insertion port for clamping a wire; a waterproof ring is fixed in the elastic clamping piece; an insertion opening is formed in the middle of the threaded sleeve, and the threaded sleeve is in threaded connection with the rear portion of the shell assembly; the fixing groove is arranged at the rear side of the key groove of the shell assembly and extends and is communicated with the key groove; and the limiting piece is fixed in the fixing groove, so that the front end of the limiting piece is pressed against the tail part of the key to limit the key, a waterproof glue pouring block is not required to be arranged at the front end of the traditional waterproof connector, the assembly is simple, the structure is firm, and the key is not easy to fall off.

Description

Technical Field

[0001] This utility model relates to the field of power connectors, specifically to a waterproof power connector with snap-on button. Background Technology

[0002] A connector is an electronic component used to connect circuits or devices. It achieves electrical connection through physical contact to transmit current, signals, or data. Its main components include terminals, a housing, and an insulator. The terminals carry current or signals, while the housing provides protection such as dust or water resistance and interference immunity, ensuring stable operation of the device in harsh environments.

[0003] An investigation revealed that Chinese patent CN202323071680.X, entitled "A Waterproof Power Connector," discloses a power connector comprising a male and a female connector. The male and female connectors snap together. The female connector is equipped with a button. The male connector is equipped with a waterproof silicone head, which has a first waterproof silicone ring, a second waterproof silicone ring, a third waterproof silicone ring, a fifth waterproof silicone ring, a fourth waterproof silicone ring, and a waterproof potting block. This patent application still requires the use of a waterproof potting block, which carries a risk of falling off with prolonged use, potentially causing the waterproof performance to fail. Furthermore, the button's push-back design makes it prone to falling off during extended use and installation, thus rendering the power connector malfunction. Utility Model Content

[0004] The present invention addresses the problem of providing a waterproof power connector with snap-on buttons, which is simple to assemble, has a robust structure, and prevents the buttons from falling off.

[0005] The technical solution of this utility model is: a waterproof power connector with a snap-on button, comprising:

[0006] A housing assembly having a housing, a key slot on the top of the housing, and a threaded section at the rear;

[0007] One button is set in the button slot, and the bottom of the button is fixed with an elastic element that always applies an upward force;

[0008] An inner conductive component includes an inner core base and a metal insert or pin, which is fixed between the outer shell component and the wire clamp component for circuit connection;

[0009] The wire clamp assembly has an elastic clip at the rear end with an insertion port for clamping the wire, and a waterproof ring is fixed inside the elastic clip.

[0010] A threaded sleeve with an insertion port in the middle, which connects to the rear threaded section of the housing assembly;

[0011] Its features are:

[0012] A fixing slot is arranged on the rear side of the housing assembly at the button slot and extends and communicates with the button slot;

[0013] A limiting component is fixed in a fixing groove, so that the front end of the limiting component presses against the tail of the button to limit the button.

[0014] Further improvement: The inner core seat has axially distributed inner core seat mounting holes for fixing metal inserts or pins. A first waterproof ring is provided between the metal inserts or pins and the inner core seat mounting holes to achieve waterproof function.

[0015] Further improvement: The outer wall of the inner core conductive component is provided with a slot, and the front end of the corresponding wire clamp component is provided with an insertion part to achieve plug-in fixation.

[0016] Further improvement: The rear of the threaded sleeve is provided with a wrench part that matches the wrench, making it convenient for users to install.

[0017] Further improvement: The outer wall of the clamp assembly is provided with a waterproof groove, and a second waterproof ring is fixed in the waterproof groove to achieve waterproof function.

[0018] Further improvement: The cross-section of the fixing groove is inverted T-shaped, and the cross-section of the corresponding limiting member is also inverted T-shaped.

[0019] Further improvements: The limiting component has a buckle on the outer walls of the left and right sides, and correspondingly, the fixing groove has a slot on the left and right sides to achieve snap-fit ​​fixing.

[0020] Further improvement: The tail of the button has a rearwardly extending protrusion, and correspondingly, the front end of the limiting member has a forwardly extending pressing part.

[0021] Finally: The front end of the button slot is provided with a limiting hole, which adopts a blind hole structure and matches the elastic fixing part at the front end of the button, so that the elastic fixing part can be inserted and fixed.

[0022] Compared with the prior art, the advantages of this utility model are as follows: a button is provided in the button slot, and the button is prevented from accidentally falling out by the limiting component, which increases the service life of the button. At the same time, the inverted assembly of the limiting component and the fixing slot facilitates installation. The structure is firm and reliable. Multiple waterproof structures are provided to achieve waterproof function. Unlike traditional waterproof connectors, there is no need for a waterproof potting block at the front end. Furthermore, the tail of the threaded sleeve is provided with a wrench part for easy installation with a standard wrench. The overall structure is simple, the cost is low, and it is convenient for assembly and production. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0024] Figure 2 This is a schematic diagram of a partial explosion structure of the present invention.

[0025] Figure 3 This is a cross-sectional view of the present invention.

[0026] Figure 4 This is a schematic diagram of the exploded structure of this utility model.

[0027] Figure 5 This is a schematic diagram of the outer casing assembly.

[0028] Figure 6 This is a schematic diagram of the screw sleeve structure.

[0029] In the diagram, 1. Outer shell assembly, 2. Outer shell, 3. Button slot, 4. Button, 5. Elastic element, 6. Inner core conductive assembly, 7. Wire clamp assembly, 8. Elastic clip, 91. Wire clamp assembly insertion port, 92. Screw sleeve insertion port, 10. Waterproof ring, 11. Fixing groove, 12. Limiting element, 13. Metal insert, 14. First waterproof ring, 15. Protrusion, 16. Inner core seat mounting hole, 17. Slot, 18. Insertion part, 19. Waterproof groove, 20. Second waterproof ring, 21. Screw sleeve, 22. Wrench part, 23. Pressing part, 24. Threaded section, 25. Thread, 26. Snap part, 27. Snap groove part, 28. Limiting hole, 29. Elastic fixing part, 30. Inner core seat. Detailed Implementation

[0030] The embodiments of this utility model patent will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model patent, but should not be construed as limiting its scope. In the description of this utility model patent, unless otherwise stated, "multiple" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model patent. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model patent based on the specific circumstances.

[0032] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0033] like Figures 1 to 6 A waterproof power connector with a snap-on button includes a housing assembly 1, which includes a housing 2. The top of the housing 2 has a button groove 3 along the axial direction, and the rear has a threaded section 24, usually in the form of an external thread. A button 4 is disposed in the button groove 3, and an elastic element 5, preferably a spring, is fixed to the bottom of the button 4. The elastic element 5 is supported between the bottom of the button groove 3 and the bottom of the button 4, and always applies an upward force to help the button 4 return to its original position. The front of the button 4 has a snap-on mechanism that engages with a locking hole or locking groove on the connector socket. An inner conductive component 6 is fixed between the housing assembly 1 and the wire clamp assembly 7 for circuit connection. The rear end of the wire clamp assembly 7 has an elastic clip. The elastic clip 8 has a wire clamp insertion port 91 for clamping the wire. The elastic clips 8 usually have grooves between them to increase elasticity and are arranged in a ring. A waterproof ring 10 is fixed inside the elastic clip 8 to enhance the sealing and waterproof performance. Finally, the screw sleeve 21 has a screw sleeve insertion port 92 in the middle and a thread 25 at the front, usually in the form of an internal thread, to facilitate connection with the rear threaded section 24 of the outer shell assembly 1. The key feature of this practical new design is that there is also a fixing groove 11 arranged on the rear side of the button groove 3 of the outer shell assembly 1 and extending and communicating with it on the same axis. The limiting member 11 is fixed in the fixing groove 11, so that the front end of the limiting member 11 presses against the tail of the button 4 to limit and fix the button 4.

[0034] The specific structural details are as follows: the inner conductive component 6 typically includes an inner core base 30 and metal inserts 13 or pins. The inner core base 30 has mounting holes 16 arranged along its axis, allowing the metal inserts 13 or pins at the front end of the inner conductive component 6 to connect to the wires on the cable. A first waterproof ring 14 is provided between the metal inserts 13 or pins and the mounting holes 16 of the inner core base, providing waterproofing. Slots 17 are provided on the left and right outer walls of the inner conductive component 6, and corresponding insertion portions 18 are provided on the left and right sides of the front end of the wire clamp assembly 7, enabling insertion and fixing, ensuring that the wire clamp assembly 7 secures the inner conductive component 6 within the outer casing assembly 1 and prevents it from loosening. An annular waterproof groove 19 is provided on the outer wall of the wire clamp assembly 7, and a second waterproof ring 20 is fixed within the waterproof groove 19 to enhance waterproofing. A wrench portion 22 is provided at the rear of the screw sleeve 21. The wrench portion 22 is preferably a conventional hexagon, matching the wrench for convenient installation by the user. The tail of button 4 has a rearwardly extending protrusion 15. Correspondingly, the front end of the limiting member 11 has a forward-extending pressing part 23. The pressing part 23 and the protrusion 15 are in low-pressure engagement to limit and fix button 4 in the button groove 3 so that it cannot be removed. The front end of the button groove 3 is provided with a limiting hole 28, which matches the elastic fixing part 29 at the front end of button 4, so that the elastic fixing part 29 is inserted and fixed. The limiting hole 28 adopts a blind hole structure. Usually, the cross-section of the fixing groove 11 is inverted T-shaped, and the cross-section of the corresponding limiting member 11 is also inverted T-shaped, so that they can be inserted and locked together. The left and right outer walls of the limiting member 11 are provided with buckle parts 26. Correspondingly, the left and right sides of the fixing groove 11 are provided with locking parts 27 to achieve locking and fixing. When the limiting member 11 is inserted into the fixing groove 11 and is in place, it is locked by the buckle parts 26 and locking parts 27 and cannot be loosened.

[0035] When using this product, users only need to pass the cable through the screw sleeve 21 and the wire clamp assembly insertion port 91 respectively, and then fix the cable to the metal insert 13 or pin in the inner core conductive assembly. Finally, install the inner core conductive assembly 6 and the wire clamp assembly 7 into the outer shell assembly 1, use the wire clamp assembly 7 to push the inner core conductive assembly 6 into the outer shell assembly 1, and then use a wrench to rotate the wrench part 22 to ensure that the screw sleeve 21 is screwed in and fixed to the outer shell 2.

Claims

1. A waterproof power connector with buckle key type, comprising: a housing assembly having a housing, the top of the housing is provided with a key slot, the rear part is provided with a threaded segment; a key arranged in the key slot, the bottom of the key is fixed with an elastic member, which always applies an upward force; an inner core conductive assembly comprising an inner core seat body and a metal tab or pin, fixed between the housing assembly and the wire clamp assembly, for line communication; a wire clamp assembly provided with elastic clamping pieces at the rear end and provided with an insertion port, used for clamping the electric wire; the elastic clamping pieces are fixed with waterproof rings inside; a threaded sleeve provided with an insertion port in the middle, connected with the rear threaded segment of the housing assembly; characterized in that: a fixing groove is arranged on the housing assembly at the rear side of the key slot and extends in communication with the key slot; a limiting member is fixed in the fixing groove, so that the front end of the limiting member abuts against the tail of the key to limit the key.

2. The waterproof power connector with snap key according to claim 1, characterized in that The inner core seat body is axially provided with an inner core seat body mounting hole for fixing the metal tab or pin, and a first waterproof ring is lined between the metal tab or pin and the inner core seat body mounting hole to achieve waterproof function.

3. The latching, keyed, waterproof power connector of claim 1, wherein The outer wall of the inner core conductive assembly is provided with a slot, and the front end of the corresponding wire clamp assembly is provided with an insertion part to realize plug-in fixing.

4. The latching, keyed, waterproof power connector of claim 1, wherein The rear part of the threaded sleeve is provided with a wrench part matched with a wrench to facilitate user installation.

5. The latching, keyed, waterproof power connector of claim 1, wherein The outer wall of the wire clamp assembly is provided with a waterproof groove, and a second waterproof ring is fixed in the waterproof groove to achieve waterproof function.

6. The latching, keyed, waterproof power connector of claim 1, wherein The cross section of the fixing groove is inverted T-shaped, and the cross section of the corresponding limiting member is also inverted T-shaped.

7. The waterproof power connector with snap-on key according to any one of claims 1 to 6, characterized in that The left and right outer walls of the limiting member are provided with buckle parts, and the left and right sides of the fixing groove are provided with clamping groove parts to realize clamping fixing.

8. The waterproof power connector with snap key according to claim 7, characterized in that The tail of the key is provided with a rearward extending protruding part, and the front end of the limiting member is provided with a forward extending pressing part.

9. The latching, keyed, waterproof power connector of claim 1, wherein The front end of the key slot is provided with a limiting hole, which is a blind hole structure matched with the elastic fixing part at the front end of the key for insertion and fixing of the elastic fixing part.

Images