Multifunctional waterproof plug
By designing a sealing mechanism on the plug body, and utilizing an arc-shaped plate and an elastic connection structure, the plug can be quickly sealed and limited, solving the problems of incomplete sealing and cumbersome operation in the existing technology, and improving the safety and convenience of the plug.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
Existing multi-functional waterproof plugs lack sealing devices at the connection points, allowing moisture to enter and posing a safety hazard. In addition, sealing devices are cumbersome and inconvenient to operate.
A sealing mechanism was designed, comprising a plug body, a fixing ring, an arc plate, a sealing ring, and an elastic connection structure. The sealing is achieved by moving the sealing ring through the arc plate, and the semi-circular block and the squeezing rod are used to achieve rapid limiting and release.
It achieves an effective seal at the plug connection, simplifies the operation of the sealing device, and improves safety and convenience of use.
Smart Images

Figure CN224110560U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of multifunctional plug, specifically to a multifunctional waterproof plug. BACKGROUND
[0002] The connecting head of general electronic product and the electric appliance plug pin are called plug. The household alternating current power plug and socket are the male joint with rod or copper plate protrusion, which is inserted into the female joint type power socket with slot or recess in physical way. The size is an important technical requirement related to whether the plug socket and converter can be safely used and whether it meets the general interchangeability requirement to avoid misinsertion. The unqualified size will affect the user use or produce hidden troubles such as poor contact and misinsertion, which may damage the equipment, and even cause fire and electric shock accident.
[0003] The multifunctional waterproof plug in the prior art generally does not set the device for sealing the connecting part, so that water and water vapor enter the connecting part during use, thereby causing safety hazards such as electric leakage. Some devices with sealing plug are relatively cumbersome in operation, and the positioning and de-positioning operations are relatively inconvenient, which brings certain trouble to people. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a multifunctional waterproof plug, which solves the problems that the connecting part of the plug is not sealed and the sealing device is not quickly positioned and released in the prior art.
[0006] (II) Technical scheme
[0007] To achieve the above object, the utility model provides the following technical scheme: including plug body and two symmetrical contact heads arranged on the front end of the plug body, the outer wall of the plug body is equipped with a fixed ring, a rubber ring is arranged between the fixed ring and the outer wall of the plug body, and a sealing mechanism is arranged on the fixed ring;
[0008] The sealing mechanism comprises a through groove formed in the fixed ring, an arc-shaped plate is slidably connected in the through groove, a sealing ring is arranged at the front end of the arc-shaped plate, and a sealing ring is arranged at the front end of the sealing ring.
[0009] Preferably, the rear end of the fixed ring is provided with two symmetrical positioning rods, the rear end of the arc-shaped plate is provided with a push ring, two symmetrical sleeves are arranged on the push ring, and the two positioning rods respectively penetrate the two sleeves.
[0010] Preferably, two symmetrical waist grooves are formed in the outer wall of the two positioning rods, two symmetrical semicircular blocks are elastically connected in the inner wall of the two sleeves, and the semicircular blocks are slidably connected with the waist grooves.
[0011] Preferably, the pushing ring is elastically connected with the fixed ring through two symmetrically arranged springs, and the two springs are respectively sleeved on the outer walls of the two positioning rods.
[0012] Preferably, a through groove is arranged between the two waist grooves, and the through groove is matched with the two semicircular blocks.
[0013] Preferably, the through groove is slidably connected with the extrusion rod through the outer wall of the positioning rod.
[0014] Preferably, one end of the extrusion rod in the through groove is provided with an extrusion block, and the outer wall of the extrusion block is slidably connected with the outer wall of the semicircular block.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a, has the following beneficial effects:
[0017] The utility model discloses a sealing ring is moved to the sealing ring of the front end of the sealing ring is covered in the connecting place through the arc plate, thereby realizing the sealing of plug body and connecting place, improves the sealing property in the process of plug body connection, and then realizes the location of pushing ring through the two semicircular blocks are pushed into the through groove, and the location and release of pushing ring position are realized through the extrusion block and move two semicircular blocks, and the semicircular block is separated from the through groove, and simple operation brings certain convenience for people. ACCURACY OF DRAWINGS
[0018] Fig. 1 It is the whole structure left view schematic drawing of the utility model;
[0019] Fig. 2 It is the whole structure right view schematic drawing of the utility model;
[0020] Fig. 3 It is the partial structure top view schematic drawing of the positioning rod of the utility model;
[0021] Fig. 4 It is the internal structure schematic drawing of the sleeve pipe of the utility model.
[0022] In the drawing:
[0023] 1, plug body;
[0024] 2, fixed ring;
[0025] 3, through groove;
[0026] 4, arc plate;
[0027] 5, pushing ring;
[0028] 6, connecting line;
[0029] 7. Contact head;
[0030] 8. Rubber ring;
[0031] 9. Sealing ring;
[0032] 10. Sealing ring;
[0033] 11. Positioning rod;
[0034] 12. Sleeve;
[0035] 13. Waist groove;
[0036] 14. Extrusion rod;
[0037] 15. Through groove;
[0038] 16. Extrusion block;
[0039] 17. Semi-circular block. DETAILED DESCRIPTION
[0040] In the utility model, if not otherwise specified, the directions used such as "up, down" are usually in the direction shown in the drawings, or in the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually in the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above direction words are not used to limit the utility model.
[0041] The utility model provides a technical scheme of:
[0042] Please refer to Figs. 1-4 A multifunctional waterproof plug, which comprises a plug body 1 and two symmetrical contact heads 7 arranged at the front end of the plug body 1, characterized in that: a fixed ring 2 is arranged on the outer wall of the plug body 1, a rubber ring 8 is arranged between the fixed ring 2 and the outer wall of the plug body 1, and a sealing mechanism is arranged on the fixed ring 2.
[0043] The sealing mechanism comprises a through groove 3 arranged on the fixed ring 2, an arc-shaped plate 4 slidably connected in the through groove 3, a sealing ring 9 arranged at the front end of the arc-shaped plate 4, and a sealing ring 10 arranged at the front end of the sealing ring 9; the sealing ring 10 at the front end of the sealing ring 9 is sleeved on the connecting part by moving the sealing ring 9 driven by the arc-shaped plate 4, so that the sealing of the plug body 1 and the connecting part is realized, and the sealing property during the connection of the plug body 1 is improved.
[0044] Further, the fixed ring 2 is provided with two symmetrical positioning rods 11 at the rear end, the arc-shaped plate 4 is provided with a push ring 5 at the rear end, the push ring 5 is provided with two symmetrical sleeves 12 penetratingly arranged thereon, and the two positioning rods 11 penetrate through the two sleeves 12 respectively.
[0045] Further, the outer wall of the two positioning rods 11 is provided with two symmetrical waist grooves 13, the inner wall of the two sleeves 12 is penetrated by two symmetrical semicircle blocks 17 which are elastically connected.
[0046] Further, the push ring 5 and the fixed ring 2 are elastically connected by two symmetrical springs, and the two springs are sleeved on the outer wall of the two positioning rods 11.
[0047] Further, the two waist grooves 13 are provided with a through groove 15, and the through groove 15 is matched with the two semicircle blocks 17.
[0048] Further, the through groove 15 is slidably connected with the extrusion rod 14 on the outer wall of the positioning rod 11.
[0049] Further, one end of the extrusion rod 14 located in the through groove 15 is provided with an extrusion block 16, and the outer wall of the extrusion block 16 is slidably connected with the outer wall of the semicircle block 17.
[0050] In use, the working principle of the utility model is as follows:
[0051] After the plug body 1 is inserted, the sliding connection between the waist groove 13 and the semicircle block 17 is utilized to push the push ring 5, so that the push ring 5 pushes the arc-shaped plate 4 to move, the arc-shaped plate 4 drives the sealing ring 9 to move, the sealing ring 10 at the front end of the sealing ring 9 is sleeved on the connecting portion, so that the plug body 1 and the connecting portion are sealed, and the sealing property during the connection of the plug body 1 is improved.
[0052] When the sealing ring 10 is in contact with the connecting portion, the two semicircle blocks 17 are located in the same position in the through groove 15, the elastic connection between the semicircle block 17 and the sleeve 12 (this part is prior art, so the related mechanism is not described in the figure) is utilized to make the two semicircle blocks 17 extend into the through groove 15, so that the push ring 5 is limited, and the operation is simple and convenient for people.
[0053] When the plug body 1 is released, the two extrusion rods 14 are pushed, the extrusion block 16 is pushed by the two extrusion rods 14, the extrusion block 6 pushes the two semicircle blocks 17 to move, the semicircle block 17 is separated from the through groove 15, the push ring 5 is brought back to the original position by the spring between the push ring 5 and the fixed ring 2, and the sealing of the plug body 1 is released.
[0054] In summary, the multifunctional waterproof plug realizes sealing of the plug connection and quick positioning and releasing of the sealing device by perfecting and optimizing the working principle.
[0055] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the basically same technical problem and achieve the basically same technical effect is included in the protection scope of the present application.
Claims
1. A multifunctional waterproof plug, comprising a plug body (1) and two symmetrical contact heads (7) arranged at the front end of the plug body (1), characterized in that: The plug body (1) outer wall is equipped with a fixed ring (2), the fixed ring (2) and the plug body (1) outer wall between being equipped with a rubber ring (8), the fixed ring (2) is equipped with sealing mechanism; The sealing mechanism includes the through groove (3) opened in the fixed ring (2), the arc-shaped plate (4) is slidably connected in the through groove (3), the arc-shaped plate (4) front end is equipped with sealing ring (9), and the sealing ring (9) front end is equipped with sealing ring (10).
2. The multi-functional waterproof plug according to claim 1, wherein: The fixed ring (2) rear end is equipped with two symmetrically arranged positioning rods (11), the arc-shaped plate (4) rear end is equipped with a push ring (5), the push ring (5) is equipped with two symmetrically arranged sleeves (12) through, and two positioning rods (11) are respectively through two sleeves (12).
3. The multi-functional waterproof plug according to claim 2, wherein: Two positioning rods (11) outer wall are equipped with two symmetrically arranged waist grooves (13), two sleeves (12) inner wall are respectively equipped with two symmetrically arranged semicircle blocks (17) through elastic connection, and the semicircle block (17) is slidably connected with the waist groove (13).
4. The multi-functional waterproof plug according to claim 3, wherein: The push ring (5) and the fixed ring (2) are elastically connected through two symmetrically arranged springs, and two springs are respectively sleeved on the outer wall of two positioning rods (11).
5. The multi-functional waterproof plug according to claim 4, wherein: Two waist grooves (13) are equipped with through grooves (15) between, and the through groove (15) is matched with two semicircle blocks (17).
6. The multi-functional waterproof plug according to claim 5, wherein: The through groove (15) and the positioning rod (11) outer wall are slidably connected with extrusion rod (14).
7. The multi-functional waterproof plug according to claim 6, wherein: One end of the extrusion rod (14) located in the through groove (15) is equipped with extrusion block (16), and the extrusion block (16) outer wall is slidably connected with the semicircle block (17) outer wall.