DC connector with good waterproof effect
By introducing positioning parts and limiting rings into the DC connector, the problem of short circuits that are prone to water droplets infiltration is solved, and the connection strength and sealing are achieved, ensuring the waterproof effect of the DC connector.
Patent Information
- Application Number
- CN202421882412.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-05
AI Technical Summary
During use, existing DC connectors are prone to short circuit due to water droplets or overflow infiltration, and commonly used waterproofing measures are insufficient in sealing performance and inconvenient installation.
A waterproof DC connector including a DC male and a DC female is designed to achieve higher connection strength and sealing by providing a positioning member between the connecting post and the connecting slot and a limiting ring made of elastic material on the circumferential side wall of the connecting post.
Through the design of positioning members and limiting rings, the connection strength and stability of the DC male and DC female are improved, and the sealing property is significantly improved, preventing water droplets or overflow from infiltration and preventing short circuits.
Smart Images
Figure CN222995987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of DC connectors, and more specifically, to a DC connector with good waterproof effect. Background Technique
[0002] DC connectors are widely used in various string light connections. Since string lights are generally used outdoors or around eaves, or in some outdoor public places.
[0003] During the use of DC connectors, water droplets or overflowing water often seep in and cause short circuits. Usually, a waterproof device is added outside the DC connector, such as putting on a plastic shell or sealing tape to seal the connection. While its sealing performance is insufficient, the installation is rather inconvenient.
[0004] Therefore, there is an urgent need for a new technical solution to solve the above technical problems. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a DC connector with good waterproof effect.
[0006] The above technical purpose of the utility model is achieved through the following technical solutions: A DC connector with good waterproof effect, including a DC male head and a DC female head. A connecting column is provided at the end of the DC male head, and a connecting groove for inserting the connecting column is opened at the end of the DC female head. An insertion joint is provided at the end of the connecting column, and a plugging groove for plugging the insertion joint is opened at the bottom end of the connecting groove. A positioning member is provided between the connecting column and the connecting groove, and a limiting ring made of an elastic material is arranged on the circumferential side wall of the connecting column along its circumferential direction.
[0007] By adopting the above technical solutions, when the DC male head and the DC female head are connected, the connecting head is inserted into the connecting groove, and the insertion joint is inserted into the plugging groove, so as to complete the connection. And the connection strength after the connection of the DC male head and the DC female head is further improved through the positioning member. After the connection is completed, the limiting ring abuts against the inner wall of the connecting groove, thereby improving the stability and sealing performance after the connection of the DC male head and the DC female head.
[0008] The utility model is further provided as: The positioning member includes a thread provided on the circumferential surface of the connecting column, and a thread groove matching the thread is opened in the connecting groove.
[0009] The utility model is further provided as: The positioning member includes buckles provided on both sides of the circumferential surface of the connecting column, and clamping grooves for clamping the buckles are opened on both sides of the circumferential inner wall of the connecting groove.
[0010] The present utility model is further configured as follows: the buckle is trapezoidally arranged, the clamping groove is a trapezoidal groove that matches the buckle, a sloping groove for the buckle to slide into is formed at the top end of the inner wall of the connecting groove at the position of the clamping groove, and the buckle is made of a soft material.
[0011] The present utility model is further configured as follows: an annular groove is formed on the end surface of the DC female head outside the connecting groove, and a sealing ring inserted into the annular groove is arranged on the end surface of the DC male head.
[0012] The present utility model is further configured as follows: a first sealing ring is arranged in the annular groove.
[0013] The present utility model is further configured as follows: a second sealing ring is sleeved on the end surface of the DC male head around the sealing ring.
[0014] The present utility model has the following beneficial effects: when the DC male head is connected to the DC female head, the connection is completed by inserting the connecting head into the connecting groove and making the plug-in head insert into the plug-in groove, and the connection strength after the connection of the DC male head and the DC female head is further improved by the positioning member. After the connection is completed, the limiting ring abuts against the inner wall of the connecting groove, thereby improving the stability and sealing performance after the connection of the DC male head and the DC female head. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structural schematic diagram of Specific Embodiment 1;
[0016] Figure 2 is a structural schematic diagram of the DC male head in Specific Embodiment 1;
[0017] Figure 3 is a structural schematic diagram of the DC female head in Specific Embodiment 1;
[0018] Figure 4 is a three-dimensional structural schematic diagram of Specific Embodiment 2.
[0019] BRIEF DESCRIPTION OF THE DRAWINGS: 1. DC male head; 2. DC female head; 3. Connecting column; 4. Connecting groove; 5. Plug-in head; 6. Plug-in groove; 7. Limiting ring; 8. Thread; 9. Thread groove; 10. Annular groove; 11. Sealing ring; 12. First sealing ring; 13. Second sealing ring; 14. Buckle; 15. Clamping groove; 16. Sloping groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The present utility model will be further described in detail below with reference to the accompanying drawings.
[0021] Among them, the same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component, respectively. Specific Embodiment 1:
[0023] As shown in the figure, a DC connector with good waterproof effect includes a DC male head 1 and a DC female head 2. A connecting post 3 is provided at the end of the DC male head 1, and a connecting groove 4 for inserting the connecting post 3 is opened at the end of the DC female head 2. An insertion joint 5 is provided at the end of the connecting post 3, and an insertion slot 6 for inserting the insertion joint 5 is opened at the bottom end of the connecting groove 4. A positioning member is provided between the connecting post 3 and the connecting groove 4. Two limiting rings 7 made of an elastic material are provided on the circumferential side wall of the connecting post 3 along its circumferential direction.
[0024] When the DC male head 1 is connected to the DC female head 2, by inserting the connecting head into the connecting groove 4 and making the insertion joint 5 insert into the insertion slot 6, the connection is completed, and the connection strength after the connection of the DC male head 1 and the DC female head 2 is further improved through the positioning member. After the connection is completed, the limiting rings 7 are pressed against the inner wall of the connecting groove 4, thereby improving the stability and sealing performance after the connection of the DC male head 1 and the DC female head 2.
[0025] The positioning member includes a thread 8 provided on the circumferential surface of the connecting post 3, and a thread groove 9 matching the thread 8 is opened in the connecting groove 4. When connecting, when the connecting post 3 is inserted into the connecting groove 4, the DC female head 2 and the DC male head 1 are rotated relative to each other, so that the thread 8 is screwed into the corresponding thread groove 9, thereby further improving the stability and sealing performance of the connection between the DC male head 1 and the DC female head 2.
[0026] An annular groove 10 is opened on the end surface of the DC female head 2 outside the connecting groove 4, a sealing ring 11 inserted into the annular groove 10 is provided on the end surface of the DC male head 1, and a first sealing ring 12 is provided in the annular groove 10. A second sealing ring 13 is sleeved on the circumferential side of the end surface of the DC male head 1 where the sealing ring 11 is located. After the DC male head 1 is connected to the DC female head 2, the sealing ring 11 is inserted into the annular groove 10, and the first sealing ring 12 and the second sealing ring 13 are squeezed under the action of the positioning member, so as to further improve the sealing performance after the connection of the DC female head 2 and the DC male head 1. Specific Embodiment 2:
[0028] Different from Specific Embodiment 1: The positioning member includes buckles 14 arranged on both sides of the circumferential surface of the connecting column 3, and clamping grooves 15 for clamping the buckles 14 are formed on both sides of the circumferential inner wall of the connecting groove 4. The buckles 14 are trapezoidally arranged, the clamping grooves 15 are trapezoidal grooves matching the buckles 14, an inclined groove 16 for the buckles 14 to slide into is formed at the top of the inner wall of the connecting groove 4 at the position of the clamping grooves 15, and the buckles 14 are made of soft materials.
[0029] By directly inserting the connecting column 3 into the connecting groove 4, one side inclined surface of the buckle 14 is squeezed and deformed along the inclined groove 16 and finally slides into the clamping groove 15. While facilitating installation, it can effectively ensure the stability after the connection of the DC male head 1 and the DC female head 2. The buckles 14 are trapezoidally arranged and their two sides are inclined surfaces, which can also facilitate the insertion and extraction of the DC male head 1 and the DC female head 2.
[0030] The specific embodiments are only explanations of the present invention, and they are not limitations of the present invention. Those skilled in the art can make modifications without creative contributions to this embodiment according to needs after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.
Claims
1. A DC connector with good waterproof effect, characterized in that: The invention comprises a DC male connector (1) and a DC female connector (2), wherein a connecting column (3) is arranged at the end of the DC male connector (1), a connecting groove (4) is provided at the end of the DC female connector (2) for the connecting column (3) to be inserted, a plug connector (5) is arranged at the end of the connecting column (3), a plug connector (6) is provided at the bottom end of the connecting groove (4) for the plug connector (5) to be inserted, a positioning member is arranged between the connecting column (3) and the connecting groove (4), and a limiting ring (7) made of elastic material is arranged on the circumferential side wall of the connecting column (3) along its circumferential direction.
2. A DC connector with good waterproof effect according to claim 1, characterized in that: The positioning member comprises a thread (8) arranged on the circumferential surface of the connecting column (3), and a thread groove (9) matching the thread (8) is provided in the connecting groove (4).
3. A DC connector with good waterproof effect according to claim 1, characterized in that: The positioning member comprises buckles (14) arranged on both sides of the circumferential surface of the connecting column (3), and the circumferential inner wall of the connecting groove (4) is provided with engaging grooves (15) for engaging the buckles.
4. A DC connector with good waterproof effect according to claim 3, characterized in that: The buckle (14) is arranged in a trapezoidal shape, the engaging groove (15) is a trapezoidal groove matched with the buckle (14), and an inclined groove (16) for the buckle (14) to slide into is provided at the top end of the inner wall of the connecting groove (4) at the engaging groove (15), and the buckle (14) is made of a soft material.
5. A DC connector with good waterproof effect according to claim 1, characterized in that: An annular groove (10) is provided on the end surface of the DC female connector (2) located outside the connection groove (4), and a sealing ring (11) is provided on the end surface of the DC male connector (1) and is inserted into the annular groove (10).
6. A DC connector with good waterproof effect according to claim 5, characterized in that: A first sealing ring (12) is arranged in the annular groove (10).
7. A DC connector with good waterproof effect according to claim 6, characterized in that: The end surface of the DC male connector (1) is located on the circumferential side of the sealing ring (11) and is sleeved with a second sealing ring (13).