Connection device with drain tank and plug-in device

By designing an independent space and a sealed, interconnected drain pipe within the plug-in device, and equipping it with a switching mechanism, the risk of short circuits after water ingress into the plug-in device is resolved, achieving a safe and efficient drainage method and reducing the risk of short circuits.

CN224418082UActive Publication Date: 2026-06-26FOSHAN SHUNDE DISTRICT DEFINI HOME TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN SHUNDE DISTRICT DEFINI HOME TECHNOLOGY CO LTD
Filing Date
2025-06-07
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing plug-in devices pose a short-circuit risk after water ingress. Current designs cannot effectively prevent pins with different electrical properties from forming a conductive loop through the water, leading to a short circuit.

Method used

The design isolates the pins with different electrical properties in a separate space, and a sealed, interconnected drain pipe is installed inside the housing. A switching mechanism is provided to actively control the drainage and prevent the formation of a conductive circuit.

Benefits of technology

It effectively reduces the risk of short circuits caused by water accumulation in the plug-in equipment, improves the safety and flexibility of drainage, and ensures that the plug-in equipment does not short circuit when water enters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of plug-in technology especially, and more particularly to connecting device and plug-in equipment with drainage storehouse, the connecting device and plug-in equipment with drainage storehouse of the utility model improve on the basis of existing plug-in equipment, and design independent space to isolate the different electricity properties of the plug pin, avoid the same plug storehouse in the waterlogging and lead to short circuit thing to happen. In addition, the drainage pipe is separately arranged in the shell, and the waterlogging in the independent space of the same electrified property in different plug stores is discharged by the drainage pipe, and each drainage pipe is provided with a switch mechanism, and such design can realize that all the drainage pipes can discharge water outward according to the demand, avoid that different drainage pipes form the conductive loop mutually, reduce the short circuit risk. At the same time, the active drainage mode is adopted, and such design can make the staff discharge water according to the actual situation, which is favorable to guarantee the safety of drainage.
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Description

Technical Field

[0001] This utility model relates to the field of plug-in equipment technology, and in particular to a connecting device and plug-in equipment with a drainage compartment. Background Technology

[0002] Existing plug-in devices can suffer from short circuits if water accidentally gets inside, potentially leading to fires and electrical damage. To address this, a protective shutter is typically designed to seal the socket, preventing conductive liquids from entering the space around the plug. This method is relatively simple and offers some protection. However, water that has already entered the plug-in device cannot drain, posing a risk of short circuits.

[0003] To address the aforementioned issues, patent CN202300029764.3 - Waterproof Power Strip discloses a design that allows for external drainage, with drainage holes for centralized external drainage. However, this design can lead to a short circuit if the drained water accumulates or forms a conductive loop on or inside the connector. Different electrical connection types within the connector can then interconnect through this loop. To address this, patent CN201980073306.9 - Safe Connector Device discloses a design where each socket with the same electrical connection type drains separately. However, this design fails to resolve the issue of the drained water forming a conductive loop outside the connector. Consequently, different electrical connection types can still form a conductive loop through the water in the drainage channel and the water drained from the connector. For example, a pin connected to the live wire can be connected to the neutral or ground wire through the water in the drainage channel and the water drained from the connector, still posing a risk of a short circuit. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a connection device with a drainage chamber, which can reduce the risk of short circuit after water enters the plug-in device.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a connecting device with a drainage chamber, comprising:

[0006] case;

[0007] A plug-in compartment is installed on the housing. The plug-in compartment has several sockets and several independent spaces that are adapted to the sockets. Each independent space is provided with a plug pin.

[0008] The housing is provided with at least one drain pipe in the area at the bottom of the insertion chamber. Each drain pipe is sealed and connected to an independent space with the same electrical properties inside the insertion chamber. One end of the drain pipe extends out of the housing. The housing is provided with a switching mechanism that can open and close the drain pipe.

[0009] In some possible embodiments, the switching mechanism includes a rubber stopper, one end of which is connected to the housing via a bridge, and the other end of which can seal the port of the drain pipe.

[0010] In some possible embodiments, the outer wall of the insertion end of the rubber stopper is provided with several raised rings.

[0011] In some possible embodiments, the switching mechanism includes a movable baffle and a toggle block disposed on the movable baffle. The housing is provided with a drain outlet communicating with the drain pipe. A groove is provided on the corresponding area of ​​the housing between the drain outlet and the drain pipe. The movable baffle can be slidably installed in the groove. The two sides of the movable baffle abut against the drain outlet and the port of the drain pipe, respectively. The movable baffle is provided with a flow-through hole. The housing is provided with a slot for the outward end of the toggle block to move through. The flow-through hole can be completely misaligned with the drain outlet and the port of the drain pipe.

[0012] In some possible embodiments, rubber sheets are provided on both sides of the chute, and the rubber sheets on both sides abut against the sides of the movable baffle, respectively.

[0013] In some possible embodiments, the switching mechanism further includes a reset spring, one end of which is fixedly connected to the end of the slide groove, and the other end of which abuts against the end of the movable baffle. The reset spring can push the movable baffle so that the flow hole is completely misaligned with the drain outlet and the port of the drain pipe.

[0014] In some possible embodiments, the housing is provided with a sealing plate that can block the opening end of the groove.

[0015] In some possible embodiments, the drain pipe is provided as a set, and the drain pipe is in sealed communication with all the independent spaces within the chamber that are connected to the live wire.

[0016] In some possible embodiments, the drain pipe is provided with a connecting pipe head, and the bottom of the independent space connected to the live wire is provided with a drain hole, the connecting pipe head communicating with the drain hole.

[0017] Connecting devices, including connectors with drainage chambers.

[0018] Compared to existing technologies, the advantages of this invention are as follows: The connecting device and plug-in equipment with a drainage compartment are improvements upon existing plug-in equipment. An independent space is designed to isolate pins with different electrical properties, preventing short circuits caused by water accumulation within the same compartment. Furthermore, a separate drain pipe is installed inside the housing to drain water from independent spaces with the same electrical property within different compartments. Each drain pipe is equipped with a switching mechanism, allowing all drain pipes to drain water as needed, preventing the formation of conductive loops between different drain pipes and reducing the risk of short circuits. The active drainage method allows workers to drain water according to actual conditions, ensuring drainage safety. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A three-dimensional structural schematic diagram of the connecting device provided in an embodiment of this utility model;

[0021] Figure 2 A partial exploded view of the connecting device provided in an embodiment of this utility model;

[0022] Figure 3 A structural diagram of a connecting device provided in another embodiment of this utility model;

[0023] Figure 4 for Figure 3 A cross-sectional view along the AA direction;

[0024] Figure 5 A partial structural diagram of a connecting device provided in another embodiment of this utility model.

[0025] Figure label:

[0026] 10. Housing 11. Sealing plate 12. Drain outlet 13. Slide groove 14. Rubber sheet 15. Groove 15;

[0027] Insertion compartment 20, insertion hole 21, independent space 22, insertion pin 23, drain hole 24;

[0028] Drain pipe 30, connecting pipe head 31;

[0029] Switching mechanism 40, rubber plug 41, connecting bridge 42, movable baffle 43, toggle block 44, flow hole 45, return spring 46. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model. Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more.

[0031] Reference Figures 1 to 5 The plug-in device shown includes a connecting device with a drain chamber. The connecting device includes a housing 10 and a plurality of plug chambers 20. Each plug chamber 20 is installed inside or on the housing 10. A plurality of plug holes 21 are provided on the plug chamber 20. A plurality of independent spaces 22 adapted to the plug holes 21 are provided inside the plug chamber 20. Each independent space 22 is provided with a plug pin 23. At least one drain pipe 30 is provided on the area of ​​the housing 10 at the bottom of the plug chamber 20. Each drain pipe 30 is sealed and connected to an independent space 22 with the same electrical properties inside the plug chamber 20. One end of the drain pipe 30 extends out of the housing 10. A switching mechanism 40 is provided on the housing 10 at the outward end of the drain pipe 30. The switching mechanism 40 can open and close the drain pipe 30.

[0032] Each plug compartment 20 is equipped with five pins 23, corresponding to a standard five-position socket. This design is standard and will not be detailed here. In this application, each drain pipe 30 drains water from the independent spaces 22 of the same electrical connection attribute within each plug compartment 20. It should be noted that the independent spaces 22 of the same electrical connection attribute can be understood as independent spaces 22 connected to the live wire, neutral wire, and ground wire respectively. In practice, the live wire, neutral wire, and ground wire are connected to the pins 23 within their respective independent spaces 22.

[0033] In some possible embodiments, to simplify the structural design and considering the actual causes of short circuits, in practical use, short circuits in the plug compartment 20 are primarily caused by a circuit formed between the plug 23 connected to the live wire and the plug 23 connected to the neutral or ground wire indirectly through a conductive liquid or conductive structure. A set of drain pipes 30 is provided, and the drain pipes 30 are sealed and connected to all independent spaces 22 within the plug compartment 20 that are connected to the live wire. Therefore, in this application, only one drain pipe 30 needs to be provided, which connects all independent spaces 22 connected to the live wire.

[0034] In the above-described improved embodiment, considering the needs of installation and connection, a connecting pipe head 31 is provided on the drain pipe 30, and a drain hole 24 is provided at the bottom of the independent space 22 connected to the live wire. The connecting pipe head 31 communicates with the drain hole 24. In fact, multiple connecting pipe heads 31 are provided, each corresponding to a drain hole 24 in a different slot 20 that is connected to the live wire.

[0035] This connection device and plug-in equipment with drainage compartments is an improvement on existing plug-in equipment. It features an independent space 22 to isolate pins 23 with different electrical properties, preventing short circuits caused by water accumulation within the same compartment 20. Furthermore, a separate drain pipe 30 is installed within the housing 10 to drain water from the independent spaces 22 within different compartments 20 that share the same electrical property. Each drain pipe 30 is equipped with a switching mechanism 40. This design allows all drain pipes 30 to drain water as needed, preventing the formation of conductive loops between different drain pipes 30 and reducing the risk of short circuits. The active drainage system allows workers to drain water according to actual conditions, ensuring drainage safety.

[0036] Reference Figure 1 and Figure 2 As shown, to maximize cost savings and facilitate operation, the switch mechanism 40 includes a rubber plug 41. One end of the rubber plug 41 is connected to the housing 10 via a connecting bridge 42, and the other end of the rubber plug 41 can seal the port of the drain pipe 30. This design allows operators to simply open or close the drain pipe 30 as needed, facilitating drainage. To facilitate insertion and improve waterproofing, the outer wall of the insertion end of the rubber plug 41 is provided with several protruding rings. The sealing is achieved by the deformation caused by the mutual compression between the outer circumference of the protruding rings and the inner wall of the drain pipe 30. This facilitates the insertion of the entire rubber plug 41 while ensuring sufficient waterproofing.

[0037] Reference Figures 3 to 5As shown, for aesthetic purposes and sufficient stability, the switch mechanism 40 includes a movable baffle 43 and a toggle block 44 disposed on the movable baffle 43. The housing 10 is provided with a drain outlet 12 communicating with the drain pipe 30. A groove 13 is provided on the corresponding area of ​​the housing 10 between the drain outlet 12 and the drain pipe 30. The movable baffle 43 can be slidably installed in the groove 13. The two sides of the movable baffle 43 respectively abut against the drain outlet 12 and the port of the drain pipe 30. The movable baffle 43 is provided with a flow hole 45. The housing 10 is provided with a slot 15 for the toggle block 44 to move outward through. The flow hole 45 can be completely misaligned with the drain outlet 12 and the port of the drain pipe 30.

[0038] When the drain outlet 12, the port of the drain pipe 30, and the flow hole 45 are not completely misaligned, the water accumulated in the drain pipe 30 can pass through the flow hole 45 and the drain outlet 12 sequentially and be discharged outwards. When it is necessary to close the drain pipe 30 from the outside, it is only necessary to completely misalign the flow hole 45 with the drain outlet 12 or the outward end of the drain pipe 30. In addition, to facilitate drainage, the bottom surface of the chute 13 is higher than or equal to the bottom surface of the drain outlet 12, which can prevent water from accumulating in the chute 13.

[0039] In some possible embodiments, to improve waterproofing, rubber sheets 14 are provided on both sides of the slide groove 13, and the rubber sheets 14 on both sides abut against the sides of the movable baffle 43. The rubber sheets 14 are used to seal the movable baffle 43 and the side walls of the slide groove 13, preventing water from leaking into the housing 10 and improving waterproofing. In practice, the rubber sheets 14 are provided with holes that fit the flow holes 45, or simply left blank in the area where the flow holes 45 are located.

[0040] In some possible embodiments, refer to Figure 5 As shown, to keep the entire drain pipe 30 in a normally closed state, the switching mechanism 40 also includes a return spring 46. One end of the return spring 46 is fixedly connected to the end of the slide groove 13, and the other end abuts against the corresponding end of the movable baffle 43. The return spring 46 can push the movable baffle 43 so that the flow hole 45 on the movable baffle 43 is completely misaligned with the drain outlet 12 and the port of the drain pipe 30. When it is necessary to open the entire drain pipe 30 for active drainage, the operator only needs to push the lever 44 to slide in the slide groove 13 and compress the return spring 46. At this time, the flow hole 45, the drain outlet 12, and the drain pipe 30 are interconnected, and the water accumulated in the drain outlet 12 can be discharged outward. When the operator releases the lever 44, the entire movable baffle 43 is reset under the action of the return spring 46, and finally the flow hole 45 is completely misaligned with the drain outlet 12 and the port of the drain pipe 30, thereby sealing the drain pipe 30.

[0041] In some possible embodiments, in order to facilitate pushing the push block 44, the outward end of the push block 44 forms a pushing part, and a slot 15 protrudes from the outward side of the pushing part and is provided with an anti-slip surface, and a plurality of anti-slip stripes are provided on the anti-slip surface.

[0042] Reference Figure 3 and Figure 5 As shown, to facilitate sealing the sliding groove 13, a sealing plate 11 is provided on the housing 10. The sealing plate 11 can block the opening end of the sliding groove 13. In fact, the housing 10 includes an upper shell and a lower shell. The drain pipe 30 is installed on the lower shell, and the sliding groove 13 is also located on the lower shell. The sealing plate 11 is located on the upper shell. The upper shell and the lower shell are fastened together by fastening or screws. When the upper shell is installed on the lower shell, the sealing plate 11 can naturally fasten and block the opening of the sliding groove 13, thereby achieving a seal.

[0043] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. Connection device with a drain sump, characterized in that include: case; A plug-in compartment is installed on the housing. The plug-in compartment has several sockets and several independent spaces that are adapted to the sockets. Each independent space is provided with a plug pin. The housing is provided with at least one drain pipe in the area at the bottom of the insertion chamber. Each drain pipe is sealed and connected to an independent space with the same electrical properties inside the insertion chamber. One end of the drain pipe extends out of the housing. The housing is provided with a switching mechanism that can open and close the drain pipe.

2. The connecting device with a drain sump according to claim 1, characterized in that The switching mechanism includes a rubber stopper, one end of which is connected to the housing via a connecting bridge, and the other end of which can be used to seal the port of the drain pipe.

3. The connecting device with a drainage chamber according to claim 2, characterized in that, The outer wall of the insertion end of the rubber stopper is provided with several protruding rings.

4. The connecting device with a drainage chamber according to claim 1, characterized in that, The switching mechanism includes a movable baffle and a toggle block disposed on the movable baffle. The housing is provided with a drain outlet communicating with the drain pipe. A groove is provided on the corresponding area of ​​the housing between the drain outlet and the drain pipe. The movable baffle can be slidably installed in the groove. The two sides of the movable baffle respectively abut against the drain outlet and the port of the drain pipe. The movable baffle is provided with a flow hole. The housing is provided with a slot for the outward end of the toggle block to move through. The flow hole can be completely misaligned with the drain outlet and the port of the drain pipe.

5. The connecting device with a drainage chamber according to claim 4, characterized in that, Rubber sheets are provided on both sides of the chute, and the rubber sheets on both sides abut against the sides of the movable baffle.

6. The connecting device with a drainage chamber according to claim 4, characterized in that, The switching mechanism also includes a reset spring, one end of which is fixedly connected to the end of the slide groove, and the other end abuts against the end of the movable baffle. The reset spring can push the movable baffle so that the flow hole is completely misaligned with the drain outlet and the port of the drain pipe.

7. The connecting device with a drainage chamber according to claim 4, characterized in that, The housing is provided with a sealing plate, which can block the opening end of the slide groove.

8. The connecting device with a drainage chamber according to any one of claims 1 to 7, characterized in that, A set of drain pipes is provided, and the drain pipes are sealed and connected to all the independent spaces in the insertion compartment that are connected to the live wire.

9. The connecting device with a drainage chamber according to claim 7, characterized in that, The drain pipe is equipped with a connecting pipe head, and the bottom of the independent space connected to the live wire is provided with a drain hole, and the connecting pipe head communicates with the drain hole.

10. A plug-in device, characterized in that, Includes the connecting device with a drainage chamber as described in any one of claims 1 to 9.