Waterproof coupler with adjustable switch
The waterproof coupler design addresses the issue of environmental degradation by using a screw cap and sealing ring to create a secure, moisture-resistant connection, improving durability and reliability in harsh conditions.
Patent Information
- Application Number
- CN202422006736.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing couplers have poor waterproofing effect in humid and warm environments, resulting in a shortened service life and are unable to work normally in outdoor conditions.
A waterproof coupler with adjustable switch is designed. By setting a sealing structure between the upper coupler and the lower coupler, the rubber blocks seal the open end of the electrical slot under the compression of the nut. Combined with the matching design of the limit slot and the limit convex rib, the plug ensures the precise docking of the plug connector and the electrical slot, and improves the overall waterproof performance through the injection molding process.
It improves the connection firmness and sealing of the coupler, enhances the waterproof effect, prevents moisture from entering the inside of the coupler, extends the service life, and is suitable for outdoor use in harsh environments.
Smart Images
Figure CN223109321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of couplers, in particular to a waterproof coupler with an adjustable switch. Background Art
[0002] A coupler is a device or apparatus for transmitting signals or energy. Its main function is to transfer signals or energy from one circuit or system to another circuit or system while achieving appropriate electrical isolation or matching. It has wide applications in fields such as communication, energy transmission, and circuit design.
[0003] Coupler products are increasingly working in some harsh environments, such as the humid and hot weather in the south. Due to the influence of the environment, the service life of the products will be reduced. Then, how to improve the products to cope with the influence of harsh environments and extend their service life has become an urgent technical problem to be solved. Most of the products on the market at present cannot be used outdoors because the waterproof problem inside the products has not been solved. If the products are used in humid and hot environments for a long time, they will be damaged, greatly reducing the service life of the products. Content of the Utility Model
[0004] The utility model aims to overcome the deficiency of poor waterproof effect of couplers in the prior art, and provides a waterproof coupler with an adjustable switch which is beneficial to improving the waterproof effect.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A waterproof coupler with an adjustable switch, which comprises an upper coupler, a lower coupler and a nut. One end of the upper coupler is provided with a plug connector, and the other end of the upper coupler is provided with a first encapsulating body. The plug connector is fixedly connected with the first encapsulating body and forms an integral body. An annular rubber block extends outward along the circumferential direction of the side wall of the first encapsulating body. The lower coupler is provided with an electrical slot matching with the plug connector. The upper coupler is detachably connected to the lower coupler by inserting the plug connector into the electrical slot and is electrically connected to the lower coupler. The nut is sleeved on the first encapsulating body. The upper coupler is detachably connected to the lower coupler through the nut. The rubber block is located inside the nut and is hermetically connected to the opening end of the electrical slot under the pressing action of the nut. An indicator light electrically connected to the plug connector is fixed on the side wall of the first encapsulating body. The indicator light is located on one side of the rubber block and outside the nut, and the plug connector is located on the other side corresponding to the rubber block.
[0007] One end of the upper coupler is provided with a plug connector, and the other end of the upper coupler is provided with a first encapsulating body. The plug connector is fixedly connected to the first encapsulating body and forms an integral body. An annular rubber block extends outward along the circumferential direction of the side wall of the first encapsulating body. The lower coupler is provided with an electrical socket that matches the plug connector. The upper coupler is detachably connected to the lower coupler by inserting and unplugging the plug connector into and from the electrical socket and is electrically connected to the lower coupler. The nut is sleeved on the first encapsulating body. The upper coupler is detachably connected to the lower coupler through the nut. The rubber block is located inside the nut and is hermetically connected to the open end of the electrical socket under the pressing action of the nut. An indicator light electrically connected to the plug connector is fixed on the side wall of the first encapsulating body. The indicator light is located on one side of the rubber block and outside the nut, and the plug connector is located on the other side corresponding to the rubber block. The upper coupler is detachably connected to the lower coupler by inserting and unplugging the plug connector into and from the electrical socket, and then the nut is tightened. On the one hand, it makes the connection between the upper coupler and the lower coupler firmer and tighter, which is beneficial to improving the safety performance and sealing performance. On the other hand, the rubber block hermetically seals the open end of the electrical socket under the pressing action of the nut, further improving the sealing performance and achieving the purpose of being beneficial to improving the waterproof effect; the indicator light is used for indicating the power supply after being energized.
[0008] Preferably, one end of the plug connector and the first encapsulating body are integrally formed by injection molding. The other end of the plug connector is provided with a plurality of electrical sockets, and the electrical sockets are electrically connected to the indicator light. A plurality of pins that are respectively inserted and unplugged with the plurality of electrical sockets are fixed in the electrical socket. An adjustment port is provided on the side wall of the plug connector. A circuit board electrically connected to the pins is connected inside the plug connector. An adjustment switch is provided on the circuit board, and the adjustment switch is located in the adjustment port. One end of the plug connector and the first encapsulating body are integrally formed by injection molding, which is beneficial to improving the overall waterproof performance; the adjustment switch is used to adjust the resistance. When the upper coupler is coupled with the lower coupler, since the plug connector is inserted and unplugged in the electrical socket, the adjustment switch is also located in the electrical socket. Since the rubber block hermetically seals the open end of the electrical socket under the pressing action of the nut, in the coupled state, the adjustment switch is in a waterproof environment to prevent water ingress.
[0009] Preferably, a limit groove is provided on the outer side wall of the plug connector, one end of the limit groove is located at the end of the plug connector and away from the rubber block, the other end of the limit groove is close to the rubber block, the end of the limit groove away from the rubber block is open outward, and the end of the limit groove close to the rubber block is closed, the adjustment port is located at the bottom of the limit groove, and the adjustment switch is located in the limit groove after passing through the adjustment port, and a limit rib matching the limit groove is fixed on the inner side wall of the electrical slot, and a rectangular groove matching the adjustment switch is provided on the limit rib, one end of the rectangular groove is located at the end of the limit rib and close to the opening end of the electrical slot, the other end of the rectangular groove is away from the opening end of the electrical slot, the end of the rectangular groove close to the opening end of the electrical slot is open outward, and the end of the rectangular groove away from the opening end of the electrical slot is closed. On the one hand, the limit groove matches the limit rib, which has an anti-mistake effect and is convenient for improving the accuracy of the plug-in position between the plug connector and the electrical slot; on the other hand, when the plug connector is plugged into the electrical slot, it will not affect the adjustment switch; the structural design of the rectangular groove and the limit groove facilitates the plug-in and unplug connection between the plug connector and the electrical slot, and can also play a waterproof and protective role for the adjustment switch.
[0010] Preferably, all side walls of the limit groove are provided with inclined surfaces to form a bell mouth that gradually expands from the bottom of the limit groove to its open end. Such a design provides a larger operating space for the operator to adjust the resistance by toggling the adjustment switch.
[0011] Preferably, the electrical slot is located at one end of the lower coupler, the other end of the lower coupler is fixedly connected to the second encapsulated body by injection molding, one end of the pin is located in the electrical slot and electrically connected to the corresponding electrical socket, and the other end of the pin penetrates the bottom of the electrical slot and is formed integrally with the second encapsulated body by injection molding. The injection molding process is conducive to improving the overall waterproof effect of the lower coupler.
[0012] Preferably, one end of the nut is rotated and locked with the outer side wall of the opening end of the electrical slot, the other end of the nut is provided with a through hole, the colloid-encapsulated body 1 is located in the through hole, one end of the rubber block is in sealing contact with the opening end of the electrical slot, and the other end face of the rubber block is inclined and has an interference fit with the through hole. After the upper coupler is coupled with the lower coupler, the operator rotates the nut to lock it with the lower coupler, at which time the colloid-encapsulated body 1 is located in the through hole, and the through hole and the rubber block have an interference fit with the inclined end face, so that the rubber block is tightly matched with the opening end of the electrical slot under the pressing action of the nut to achieve a better waterproof effect.
[0013] The beneficial effects of the present utility model are as follows: The connection between the upper coupler and the lower coupler is firmer and tighter, which is conducive to improving safety performance and sealing performance; the rubber block seals the open end of the electrical slot under the pressing action of the nut, further improving the sealing performance and achieving the purpose of facilitating the improvement of the waterproof effect; the adjustment switch is used to adjust the resistance. Since the rubber block seals the open end of the electrical slot under the pressing action of the nut, in the coupled state, the adjustment switch is in a waterproof environment to prevent water ingress; on the one hand, the limiting groove matches the limiting rib, having an anti-misoperation effect, facilitating insertion and extraction, and being conducive to improving the accuracy of the insertion position of the plug connector and the electrical slot; on the other hand, when the plug connector and the electrical slot are inserted and matched, it will not affect the adjustment switch; the structural design of the rectangular groove and the limiting groove facilitates the insertion and extraction connection between the plug connector and the electrical slot, and at the same time can play a waterproof and protective role for the adjustment switch; through the injection molding process, it is conducive to improving the overall waterproof effect and structural strength of the upper coupler and the lower coupler. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a structural schematic diagram of the present utility model;
[0015] Figure 2 is a front view of the present utility model;
[0016] Figure 3 is Figure 2 a cross-sectional view taken along A-A in
[0017] Figure 4 a structural schematic diagram of the upper coupler;
[0018] Figure 5 is a structural schematic diagram of the lower coupler.
[0019] In the figure: 1. Upper coupler, 2. Lower coupler, 3. Nut, 4. Plug connector, 5. First encapsulating body, 6. Rubber block, 7. Electrical slot, 8. Adjustment port, 9. Electrical socket, 10. Circuit board, 11. Adjustment switch, 12. Pin, 13. Flared opening, 14. Second encapsulating body, 15. Through hole, 16. Limiting groove, 17. Indicator light, 18. Limiting rib, 19. Rectangular groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way serves as a limitation to the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.
[0021] It should be noted that the terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and / or combinations thereof.
[0022] Unless otherwise specifically stated, the relative arrangements of the components, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application. For ease of explanation, spatially relative terms such as "upper", "lower", "left", "right", etc. are used in the embodiments to describe the relationship of one element or feature shown in the drawings to another element or feature. It should be understood that, in addition to the orientations shown in the drawings, the spatially relative terms are intended to include different orientations of the device during use or operation. For example, if the device in the drawings is inverted, the element described as being "below" other elements or features will be located "above" the other elements or features. Thus, the exemplary term "lower" can encompass both the upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations), and the spatially relative descriptions used herein may be interpreted accordingly. At the same time, it should be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn in actual scale. Technologies, processes, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, processes, and devices should be regarded as part of the authorized specification. In all the examples shown and discussed herein, any specific values should be construed as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without further statement, the above terms have no special meanings and thus should not be construed as limiting the protection scope of the present application.
[0024] Such as Figure 1 , Figure 2 and Figure 3In the described embodiment, a waterproof coupler with an adjustable switch includes an upper coupler 1, a lower coupler 2, and a nut 3. One end of the upper coupler 1 is provided with a plug connector 4, and the other end of the upper coupler 1 is provided with a first encapsulating body 5. The plug connector 4 is fixedly connected to the first encapsulating body 5 and forms an integral body. An annular rubber block 6 extends outward along the circumferential direction of the side wall of the first encapsulating body 5. The lower coupler 2 is provided with an electrical socket 7 that matches the plug connector 4. The upper coupler 1 is plugged and unplugged with the lower coupler 2 through the matching of the plug connector 4 and the electrical socket 7 and is electrically connected to the lower coupler 2. The nut 3 is sleeved on the first encapsulating body 5. The upper coupler 1 is detachably connected to the lower coupler 2 through the nut 3. The rubber block 6 is located within the nut 3 and is hermetically connected to the open end of the electrical socket 7 under the pressing action of the nut 3. A light indicator 17 electrically connected to the plug connector 4 is fixed on the side wall of the first encapsulating body 5. The light indicator 17 is located on one side of the rubber block 6 and outside the nut 3, and the plug connector 4 is located on the other side corresponding to the rubber block 6.
[0025] As Figure 3 , Figure 4 and Figure 5 shown, one end of the plug connector 4 is integrally formed with the first encapsulating body 5 through injection molding. The other end of the plug connector 4 is provided with a plurality of electrical sockets 9, and the electrical sockets 9 are electrically connected to the light indicator 17. A plurality of pins 12 that are plugged and unplugged with the plurality of electrical sockets 9 one by one are fixed within the electrical socket 7. An adjustment port 8 is provided on the side wall of the plug connector 4. A circuit board 10 electrically connected to the pins 12 is connected within the plug connector 4, and an adjustment switch 11 is provided on the circuit board 10. The adjustment switch 11 is located within the adjustment port 8.
[0026] A limiting groove 16 is provided on the outer side wall of the plug connector 4. One end of the limiting groove 16 is located at the end of the plug connector 4 and is far from the rubber block 6, and the other end of the limiting groove 16 is close to the rubber block 6. The end of the limiting groove 16 far from the rubber block 6 is open outward, and the end of the limiting groove 16 close to the rubber block 6 is closed. The adjustment port 8 is located at the bottom of the limiting groove 16. The adjustment switch 11 passes through the adjustment port 8 and is located within the limiting groove 16. A limiting rib 18 that matches the limiting groove 16 is fixed on the inner side wall of the electrical socket 7. A rectangular groove 19 that matches the adjustment switch 11 is provided on the limiting rib 18. One end of the rectangular groove 19 is located at the end of the limiting rib 18 and is close to the open end of the electrical socket 7, and the other end of the rectangular groove 19 is far from the open end of the electrical socket 7. The end of the rectangular groove 19 close to the open end of the electrical socket 7 is open outward, and the end of the rectangular groove 19 far from the open end of the electrical socket 7 is closed. Inclined surfaces are provided on all the side walls of the limiting groove 16 to jointly form a flared opening 13 that gradually expands from the bottom of the limiting groove 16 to its open end.
[0027] The electrical socket 7 is located at one end of the lower coupler 2. The other end of the lower coupler 2 is fixedly connected by injection molding with the encapsulation body two 14. One end of the pin 12 is located inside the electrical socket 7 and is electrically connected to the corresponding electrical socket 9. The other end of the pin 12 penetrates through the bottom of the electrical socket 7 and is integrally formed with the encapsulation body two 14 by injection molding.
[0028] One end of the nut 3 is rotationally locked with the outer side wall of the open end of the electrical socket 7. The other end of the nut 3 is provided with a through hole 15. The encapsulation body one 5 is located inside the through hole 15. One end of the rubber block 6 is in sealing contact with the open end of the electrical socket 7. The other end face of the rubber block 6 is inclined and is in interference fit with the through hole 15.
[0029] The upper coupler 1 is inserted and unplugged with the electrical socket 7 through the plug connector 4 and is coupled to the lower coupler 2. Then the operator rotates the nut 3 to lock it with the lower coupler 2. On the one hand, it makes the connection between the upper coupler 1 and the lower coupler 2 more firm and tight, which is beneficial to improving the safety performance and sealing performance. On the other hand, at this time, the encapsulation body one 5 is located inside the through hole 15, and the through hole 15 is in interference fit with the inclined end face of the rubber block 6, so that the rubber block 6 seals the open end of the electrical socket 7 under the pressing action of the nut 3, further improving the sealing performance and achieving the purpose of being beneficial to improving the waterproof effect. Among them, both the upper coupler 1 and the lower coupler 2 are integrally formed by injection molding process, which is beneficial to improving the overall waterproof effect and structural strength of the upper coupler 1 and the lower coupler 2.
[0030] The adjustment switch 11 is used to adjust the resistance. When the upper coupler 1 is coupled with the lower coupler 2, the limiting groove 16 is matched with the limiting rib 18. At the same time, the adjustment switch 11 gradually inserts into the rectangular groove 19. After coupling, the adjustment switch 11 is finally located inside the electrical socket 7. Since the rubber block 6 seals the open end of the electrical socket 7 under the pressing action of the nut 3, in the coupled state, the adjustment switch 11 is in a waterproof environment to prevent water from entering.
Claims
1. A waterproof coupler with an adjustable switch, characterized in that It includes an upper coupler (1), a lower coupler (2) and a nut (3). One end of the upper coupler (1) is provided with a plug connector (4), and the other end of the upper coupler (1) is provided with a first encapsulating body (5). The plug connector (4) is fixedly connected to the first encapsulating body (5) and forms an integral body. An annular rubber block (6) extends outward along the circumferential direction of the side wall of the first encapsulating body (5). An electric socket slot (7) matching the plug connector (4) is provided on the lower coupler (2). The upper coupler (1) is plugged and unplugged with the lower coupler (2) through the matching of the plug connector (4) and the electric socket slot (7) and is electrically connected to the lower coupler (2). The nut (3) is sleeved on the first encapsulating body (5). The upper coupler (1) is detachably connected to the lower coupler (2) through the nut (3). The rubber block (6) is located in the nut (3) and is hermetically connected to the open end of the electric socket slot (7) under the pressing action of the nut (3). An indicator light (17) electrically connected to the plug connector (4) is fixed on the side wall of the first encapsulating body (5). The indicator light (17) is located on one side of the rubber block (6) and outside the nut (3), and the plug connector (4) is located on the other side corresponding to the rubber block (6).
2. The waterproof coupler with an adjustable switch according to claim 1, wherein, One end of the plug connector (4) is fixedly connected to the first encapsulating body (5) by injection molding and forms an integral body. The other end of the plug connector (4) is provided with a plurality of electric sockets (9). The electric sockets (9) are electrically connected to the indicator light (17). A plurality of pins (12) that are plugged and unplugged with the plurality of electric sockets (9) one by one are fixed in the electric socket slot (7). An adjustment port (8) is provided on the side wall of the plug connector (4). A circuit board (10) electrically connected to the pins (12) is connected in the plug connector (4). An adjustment switch (11) is provided on the circuit board (10). The adjustment switch (11) is located in the adjustment port (8).
3. The waterproof coupler with an adjustable switch according to claim 2, characterized in that, A limit groove (16) is provided on the outer side wall of the plug connector (4). One end of the limit groove (16) is located at the end of the plug connector (4) and is far from the rubber block (6), and the other end of the limit groove (16) is close to the rubber block (6). The end of the limit groove (16) far from the rubber block (6) is in an outward open shape, and the end of the limit groove (16) close to the rubber block (6) is in a closed shape. The adjustment port (8) is located at the bottom of the limit groove (16). The adjustment switch (11) passes through the adjustment port (8) and is located in the limit groove (16). A limit rib (18) matching the limit groove (16) is fixed on the inner side wall of the electric socket slot (7). A rectangular groove (19) matching the adjustment switch (11) is provided on the limit rib (18). One end of the rectangular groove (19) is located at the end of the limit rib (18) and is close to the open end of the electric socket slot (7), and the other end of the rectangular groove (19) is far from the open end of the electric socket slot (7). The end of the rectangular groove (19) close to the open end of the electric socket slot (7) is in an outward open shape, and the end of the rectangular groove (19) far from the open end of the electric socket slot (7) is in a closed shape.
4. The waterproof coupler with an adjustable switch according to claim 3, wherein, All side walls of the limiting groove (16) are provided with inclined surfaces, jointly forming a flaring opening (13) that gradually expands from the bottom of the limiting groove (16) towards its open end.
5. A waterproof coupler with an adjustable switch according to claim 2 or 3 or 4, characterized in that, The electrical socket (7) is located at one end of the lower coupler (2). The other end of the lower coupler (2) is fixedly connected by injection molding with a second encapsulating body (14). One end of the pin (12) is located inside the electrical socket (7) and is electrically connected to the corresponding electrical socket (9). The other end of the pin (12) penetrates through the bottom of the electrical socket (7) and is integrally formed with the second encapsulating body (14) by injection molding.
6. A waterproof coupler with an adjustable switch according to claim 1 or 2 or 3 or 4, characterized in that, One end of the nut (3) is rotationally locked with the outer side wall of the open end of the electrical socket (7). A through hole (15) is provided at the other end of the nut (3). The first encapsulating body (5) is located inside the through hole (15). One end of the rubber block (6) is in sealing contact with the open end of the electrical socket (7). The other end surface of the rubber block (6) is inclined and is in interference fit with the through hole (15).