Waterproof connector

By designing an internal threaded cylinder, sealing ring, and limiting mechanism for a waterproof connector, the waterproofing problem when the connector is disconnected is solved, achieving sealing and stability in a moisture environment and preventing short circuits.

CN223693423UActive Publication Date: 2025-12-19TAIXING HANGAN ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202520236756.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-19
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

When existing connectors are disconnected, the ferrule or conductive socket is exposed, which can easily lead to short circuits in humid environments.

Method used

A waterproof connector was designed, comprising a first mating head and a second mating head. Through a structure including an internal threaded cylinder, a sealing ring, a limiting ring, a movable plate, a slider, and a spring, it maintains a seal when the connection is disconnected, and uses a limiting mechanism to fix the mating head and prevent it from loosening.

Benefits of technology

When disconnected, it maintains good waterproof performance, avoids short circuits, and improves connection stability and sealing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223693423U_ABST
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Abstract

The utility model relates to the technical field of electrical appliance connection, in particular to a waterproof connector, which is characterized in that a movable plate is movably arranged in a first butt joint, sliding blocks are fixedly arranged on the front side and the rear side of the movable plate, the sliding blocks are arranged in sliding grooves formed in the inner wall of the first butt joint in a sliding manner, and first springs are fixedly arranged in the sliding grooves; the first sealing plate is rotationally arranged on the right side wall of the movable plate through a shaft and a bearing, guide blocks are fixedly arranged on the upper side and the lower side of the first sealing plate, the connecting rod is rotationally sleeved with a second sealing plate through a bearing, the connecting rod is movably sleeved with a torsional spring, and the two ends of the torsional spring are connected with the second sealing plate and the inner wall of the cylindrical groove correspondingly. The movable plate, the first sealing plate and the second sealing plate are each provided with a through hole matched with the insertion core, the synchronous block is movably inserted into a groove formed in the right side wall of the first sealing plate, in the state that the butt joint is disconnected, the good waterproof performance in the butt joint can still be kept, and the short circuit phenomenon caused by too heavy water vapor in the environment is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric appliance connection, specifically relates to a waterproof connector. BACKGROUND

[0002] The connector is also called connector, plug and socket, generally refers to electric connector, namely the device of connecting two active devices, transmits current or signal, although the butt joint of the existing connector can keep its inside closed state under the connection state, has good waterproof performance, but when disconnecting, the plug core or conductive jack in the butt joint is directly exposed, if the environment is too heavy, the butt joint short circuit phenomenon is prone to occur, therefore, a waterproof connector is urgently needed. SUMMARY

[0003] The utility model discloses to the defects and insufficient of prior art, provide a kind of waterproof connector of reasonable design, to solve above-mentioned problem.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains a butt joint, second butt joint and plug core, the first butt joint is movably sleeved in the second butt joint, a plurality of plug cores are distributed in the first butt joint, and the plug core is movably inserted into the conductive jack hole opened in the second butt joint;

[0005] It also contains:

[0006] The movable plate is movably arranged in the first butt joint, the front and rear sides of the movable plate are fixedly provided with sliding blocks, the sliding blocks are slidingly arranged in the sliding grooves opened in the inner wall of the first butt joint, a first spring is fixedly arranged in the sliding groove, one end of the first spring is fixedly connected with the sliding block, and the second butt joint is provided with a limiting mechanism connected with the first butt joint;

[0007] The first sealing plate is rotatably arranged on the right side wall of the movable plate through a shaft and a bearing, the upper and lower sides of the first sealing plate are fixedly provided with guide blocks, and the upper and lower sides of the inner wall of the first butt joint are provided with guide grooves, the guide blocks are movably arranged in the guide grooves;

[0008] The connecting rod is fixedly arranged in the cylindrical groove opened in the left side of the second butt joint, the second sealing plate is rotatably sleeved on the connecting rod through a bearing, the torsional spring is movably sleeved on the connecting rod, and the two ends of the torsional spring are connected with the second sealing plate and the inner wall of the cylindrical groove respectively, and the movable plate, the first sealing plate and the second sealing plate are all provided with through holes matched with the plug core.

[0009] The synchronous blocks are fixedly arranged on the upper and lower sides of the left side wall of the second sealing plate respectively, and the synchronous blocks are movably inserted into the grooves opened in the right side wall of the first sealing plate.

[0010] Further, the limiting mechanism comprises:

[0011] The crossbar is two, which is fixedly arranged on the second connector, and the crossbar is movably inserted into the slot arranged on the side wall of the first connector, and the movable slot and the slot are communicated.

[0012] The limiting plate is two, which is movably arranged in the two movable slots, and the side wall of the limiting plate is connected with the control handle, and the crossbar is provided with a clamping groove matched with the limiting plate, and the movable slot is fixedly provided with a second spring connected with the limiting plate.

[0013] Further, the opening of the slot is provided with a chamfer, and the reinforcing sleeve is fixedly arranged on the second connector, and the reinforcing sleeve is matched with the chamfer.

[0014] Further, the second connector is movably provided with an internal thread cylinder, and the internal thread cylinder is movably arranged on the first connector through the thread.

[0015] Further, the annular groove arranged on the second connector is fixedly provided with a sealing ring, and the sealing ring is arranged in contact with the inner wall of the internal thread cylinder.

[0016] Further, the second connector is fixedly provided with a limiting ring, and the limiting ring is located at the right side of the internal thread cylinder.

[0017] Compared with the prior art, the waterproof connector can still maintain good waterproof performance in the disconnected state of the connector, and can avoid short circuit caused by excessive water vapor in the environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model.

[0019] Figure 2 It is the parts explosion drawing of the first connector, the plug core, the movable plate, the sliding block, the first spring, the first sealing plate and the guide block in the utility model.

[0020] Figure 3 It is the parts explosion drawing of the second connector, the crossbar, the connecting rod, the second sealing plate, the torsion spring, the synchronous block, the internal thread cylinder, the sealing ring, the limiting ring and the reinforcing strip in the utility model.

[0021] Figure 4 It is the sectional view of the first connector, the second connector and the internal thread cylinder in the utility model.

[0022] Figure 5 It isFigure 4 A part enlarged view in the figure.

[0023] Figure 6 It is the structure schematic view of the first butt joint and the second butt joint in the disconnected butt joint state in the utility model.

[0024] Mark explanation:

[0025] The first butt joint 1, the second butt joint 2, the plug core 3, the conductive jack 4, the movable plate 5, the sliding block 6, the sliding slot 7, the first spring 8, the limiting mechanism 9, the horizontal rod 9-1, the control handle 9-2, the limiting plate 9-3, the second spring 9-4, the first sealing plate 10, the guide block 11, the guide slot 12, the connecting rod 13, the second sealing plate 14, the torsion spring 15, the through hole 16, the synchronous block 17, the insertion slot 18, the movable slot 19, the clamping slot 20, the internal thread cylinder 21, the sealing ring 22, the limiting ring 23, the chamfer 24, the reinforcing sleeve 25, the recess 26. Specific implementation

[0026] The technical scheme in the utility model will be described clearly and completely in conjunction with the drawings, and the preferred embodiment in the description only serves as an example, and all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] As shown in Figures 1-6 The embodiment adopts the following technical scheme: it comprises the first butt joint 1, the second butt joint 2 and the plug core 3, the first butt joint 1 is movably sleeved in the second butt joint 2, a plurality of plug cores 3 are distributed in the first butt joint 1, the plug core 3 is movably inserted into the conductive jack 4 formed in the second butt joint 2, the internal thread cylinder 21 is movably sleeved on the second butt joint 2, and the internal thread cylinder 21 is movably sleeved on the first butt joint 1 through thread rotation, the internal thread cylinder 21 can not only improve the sealing property of the first butt joint 1 and the second butt joint 2 in the connected state, but also reduce the risk of loosening of the first butt joint 1 and the second butt joint 2 in the connected state, the sealing ring 22 is fixedly arranged in the annular groove formed in the second butt joint 2, and the sealing ring 22 is arranged in abutment with the inner wall of the internal thread cylinder 21, the sealing ring 22 can improve the sealing property of the gap between the internal thread cylinder 21 and the second butt joint 2, thereby further improving the sealing property of the first butt joint 1 and the second butt joint 2 in the connected state, the limiting ring 23 is fixedly sleeved on the second butt joint 2, and the limiting ring 23 is located at the right side of the internal thread cylinder 21, in the disconnected state of the first butt joint 1 and the second butt joint 2, the limiting ring 23 can avoid the internal thread cylinder 21 from slipping off the second butt joint 2 through the limiting action on the internal thread cylinder 21.

[0028] It further comprises:

[0029] The movable plate 5 is movably arranged in the first butt joint 1, and the front and rear sides of the movable plate 5 are fixedly provided with sliding blocks 6 which are slidingly arranged in sliding grooves 7 formed in the inner wall of the first butt joint 1, and a first spring 8 is fixedly arranged in the sliding groove 7, and one end of the first spring 8 is fixedly connected with the sliding block 6, and the second butt joint 2 is provided with a limiting mechanism 9 connected with the first butt joint 1;

[0030] The first sealing plate 10 is rotatably arranged on the right side wall of the movable plate 5 through a shaft and a bearing, and the upper and lower sides of the first sealing plate 10 are fixedly provided with guide blocks 11, and the upper and lower sides of the inner wall of the first butt joint 1 are formed with guide grooves 12, and the guide blocks 11 are movably arranged in the guide grooves 12;

[0031] The connecting rod 13 is fixedly arranged in the cylindrical groove formed in the left side of the second butt joint 2, and the second sealing plate 14 is rotatably sleeved on the connecting rod 13 through a bearing, and the torsional spring 15 is movably sleeved on the connecting rod 13, and the two ends of the torsional spring 15 are respectively connected with the second sealing plate 14 and the inner wall of the cylindrical groove, and the movable plate 5, the first sealing plate 10 and the second sealing plate 14 are all formed with through holes 16 matched with the plug 3;

[0032] The synchronous blocks 17 are two and are fixedly arranged on the upper and lower sides of the left side wall of the second sealing plate 14, and the synchronous blocks 17 are movably inserted into the grooves 26 formed in the right side wall of the first sealing plate 10;

[0033] The limiting mechanism 9 comprises:

[0034] The cross rods 9-1 are two and are fixedly arranged on the second butt joint 2, and the cross rods 9-1 are movably inserted into the insertion grooves 18 formed in the side wall of the first butt joint 1, and the insertion grooves 18 are provided with chamfers 24 at the openings, and the reinforcing sleeves 25 are fixedly sleeved on the cross rods 9-1, and the reinforcing sleeves 25 are fixedly arranged on the second butt joint 2, and the reinforcing sleeves 25 are arranged in cooperation with the chamfers 24, and the arrangement of the chamfers 24 can provide guidance when the cross rods 9-1 are inserted into the insertion grooves 18, and the reinforcing sleeves 25 can improve the structural strength of the connection between the cross rods 9-1 and the second butt joint 2, and the control handles 9-2 are movably inserted into the movable grooves 19 formed in the upper and lower sides of the first butt joint 1, and the movable grooves 19 are in communication with the insertion grooves 18;

[0035] The limiting plates 9-3 are two, are movably arranged in the two movable grooves 19 respectively, and the side wall of the limiting plate 9-3 is connected with the control handle 9-2, the cross bar 9-1 is provided with the clamping groove 20 matched with the limiting plate 9-3, the movable groove 19 is fixedly provided with the second spring 9-4 connected with the limiting plate 9-3, the limiting plate 9-3 is limited to the cross bar 9-1 through the pushing force of the second spring 9-4, and then the fixing of the first butt joint 1 and the second butt joint 2 in the butt joint state is realized, and the risk of loosening of the first butt joint 1 and the second butt joint 2 in the butt joint state is further reduced.

[0036] In use of the utility model, the inner threaded cylinder 21 is rotated, the inner threaded cylinder 21 is separated from the first butt joint 1, then the control handle 9-2 is pressed, the control handle 9-2 drives the limiting plate 9-3 to move and compresses the second spring 9-4, and the limiting plate 9-3 is separated from the clamping groove 20, then the first butt joint 1 and the second butt joint 2 are pulled in opposite directions, the second butt joint 2 is separated from the first butt joint 1, the plug core 3 is separated from the conductive jack 4, at this time, the torsional spring 15 drives the second sealing plate 14 to rotate, the through hole 16 on the second sealing plate 14 is dislocated with the conductive jack 4, the second sealing plate 14 realizes the closure of the conductive jack 4, the first spring 8 is elongated and pushes the sliding block 6 to the right side, the sliding block 6 drives the movable plate 5 to move to the right side, the movable plate 5 drives the first sealing plate 10 to move to the right side, the first sealing plate 10 drives the guide block 11 to move to the right side in the guide groove 12, when the plug core 3 is separated from the through hole 16 on the first sealing plate 10, the guide block 11 moves to the inclined section in the guide groove 12 and drives the first sealing plate 10 to rotate, the first sealing plate 10 is dislocated with the through hole 16 on the movable plate 5, at this time, the movable plate 5 and the first sealing plate 10 can realize the closure in the first butt joint 1.

[0037] Compared with the prior art, the utility model has the advantages that:

[0038] Through the cooperation of the movable plate 5, the sliding block 6, the first spring 8, the first sealing plate 10, the guide block 11, the connecting rod 13, the second sealing plate 14 and the torsional spring 15, in the state that the first butt joint 1 and the second butt joint 2 are disconnected, the good waterproof performance of the first butt joint 1 and the second butt joint 2 can still be maintained, and the plug core 3 and the conductive jack 4 are prevented from being affected by the water vapor in the environment and short-circuiting;

[0039] The inner threaded cylinder 21 can not only improve the sealing performance of the first butt joint 1 and the second butt joint 2 in the connected state, but also reduce the risk of loosening of the first butt joint 1 and the second butt joint 2 in the connected state;

[0040] Through cooperation of the limiting mechanism 9, the limiting plate 9-3 can limit the horizontal rod 9-1 by using the pushing force applied to the limiting plate 9-3 by the second spring 9-4, and then the first connector 1 and the second connector 2 in the connected state are fixed, thereby further reducing the risk of loosening of the first connector 1 and the second connector 2 in the connected state;

[0041] In the state that the first connector 1 and the second connector 2 are disconnected, the limiting ring 23 can limit the inner threaded cylinder 21 on the second connector 2 to prevent loosening.

[0042] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A waterproof connector comprising a first mating head (1), a second mating head (2) and a plug (3), the first mating head (1) movably sleeving in the second mating head (2), a plurality of plugs (3) being distributed in the first mating head (1) at equal fillets, the plug (3) movably sleeving in a conductive insertion hole (4) formed in the second mating head (2); characterized in that It also comprises: a movable plate (5) movably arranged in the first mating head (1), the movable plate (5) being fixedly provided with a sliding block (6) on the front and rear sides, the sliding block (6) being slidably arranged in a sliding groove (7) formed in the inner wall of the first mating head (1), a first spring (8) being fixedly arranged in the sliding groove (7), one end of the first spring (8) being fixedly connected with the sliding block (6), the second mating head (2) being provided with a limiting mechanism (9) connected with the first mating head (1); a first sealing plate (10) rotatably arranged on the right side wall of the movable plate (5) through a shaft and a bearing, the first sealing plate (10) being fixedly provided with a guide block (11) on the upper and lower sides, the upper and lower sides of the inner wall of the first mating head (1) being formed with a guide groove (12), the guide block (11) being movably arranged in the guide groove (12); a connecting rod (13) fixedly arranged in a cylindrical groove formed in the left side of the second mating head (2), the connecting rod (13) being rotatably sleeved with a second sealing plate (14) through a bearing, the connecting rod (13) being movably sleeved with a torsional spring (15), both ends of the torsional spring (15) being connected with the second sealing plate (14) and the inner wall of the cylindrical groove, respectively, the movable plate (5), the first sealing plate (10) and the second sealing plate (14) being all formed with a through hole (16) matched with the plug (3); synchronous blocks (17) fixedly arranged on the upper and lower sides of the left side wall of the second sealing plate (14), respectively, the synchronous blocks (17) being movably inserted into recesses (26) formed in the right side wall of the first sealing plate (10).

2. A waterproof connector according to claim 1, characterized in that: The limiting mechanism (9) comprises: horizontal rods (9-1) fixedly arranged on the second mating head (2), respectively, the horizontal rods (9-1) being movably inserted into insertion grooves (18) formed in the side wall of the first mating head (1), control handles (9-2) being movably inserted into active grooves (19) formed on the upper and lower sides of the first mating head (1), the active grooves (19) and the insertion grooves (18) being through each other; limiting plates (9-3) movably arranged in the two active grooves (19), respectively, the side wall of the limiting plate (9-3) being connected with the control handle (9-2), the horizontal rod (9-1) being formed with a clamping groove (20) matched with the limiting plate (9-3), the active groove (19) being fixedly arranged with a second spring (9-4) connected with the limiting plate (9-3).

3. A waterproof connector according to claim 2, wherein: The insertion groove (18) is provided with a chamfer (24) at the opening, a reinforcing sleeve (25) is fixedly sleeved on the horizontal rod (9-1), and the reinforcing sleeve (25) is fixedly arranged on the second mating head (2) and matched with the chamfer (24).

4. The waterproof connector according to claim 1, characterized by: The second butt joint (2) is movably sleeved with an internally threaded cylinder (21), and the internally threaded cylinder (21) is rotatably sleeved on the first butt joint (1) through threads.

5. A waterproof connector according to claim 4, wherein: The second butt joint (2) is movably sleeved with an internally threaded cylinder (21), and the internally threaded cylinder (21) is rotatably sleeved on the first butt joint (1) through threads.

6. A waterproof connector according to claim 4, wherein: The second butt joint (2) is movably sleeved with an internally threaded cylinder (21), and the internally threaded cylinder (21) is rotatably sleeved on the first butt joint (1) through threads.