Moulded case circuit breaker patch cord device
By designing a plastic shell circuit breaker adapter device including wiring mechanism, plug mechanism and dustproof mechanism, the problem of unstable plug connection and inability to be sure to be installed in the prior art is solved, and higher safety and convenience are achieved sex.
Patent Information
- Application Number
- CN202420337234.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-02-23
AI Technical Summary
When used, the wires of the existing adapter devices are mostly connected through the plug and fixed by friction, which are prone to wear and cause insufficient friction and are prone to fall off. At the same time, it is impossible to determine whether the plug is installed in place.
A plastic shell circuit breaker adapter wiring device is designed, including wiring mechanism, plug mechanism and dustproof mechanism. Through structures such as fixed stops, fixed pins, buffer springs and pressure springs, the plug is stable and conveniently disassembled, and through Indicator lights and touch switches ensure that the plug is installed in place.
It improves the safety of the equipment and the convenience of use, ensures the stable connection and correct installation of the plug, avoids the problem of falling off caused by insufficient friction, and maintains the sealing of the wiring mechanism to prevent dust from entering.
Smart Images

Figure CN222483252U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of adapter wire devices, and more specifically to an adapter wire device for a molded case circuit breaker. Background Art
[0002] A circuit breaker is a switching device that can close, carry and disconnect current under normal or abnormal circuit conditions. A circuit breaker is an important electrical device for the protection and operation of power systems. It can be used to distribute electrical energy, start asynchronous motors infrequently, and protect power lines and motors. Molded case circuit breakers are common circuit breakers that can automatically cut off current after the current exceeds the trip setting. Molded case refers to a plastic insulator used as the outer shell of the device to isolate conductors and grounded metal parts. During the use of molded case circuit breakers, in order to facilitate the connection of molded case circuit breakers to circuits and to different devices, and to facilitate disassembly, adapter devices are often used to connect the equipment wiring to the molded case circuit breaker.
[0003] Deficiencies of existing technology: When using existing adapter wire devices, the wires are mostly connected through plugs and fixed by friction. They are prone to wear during use, resulting in insufficient friction and easy falling off. At the same time, it is impossible to determine whether the plug is installed in place. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a molded case circuit breaker adapter device to solve the problems existing in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a molded case circuit breaker adapter, comprising an equipment body, and also comprising: a wiring mechanism, a plug mechanism and a dustproof mechanism, the side of the equipment body is fixedly connected to the side of the wiring mechanism, the side inner wall of the wiring mechanism is movably connected to the side of the plug mechanism, the side of the dustproof mechanism is movably connected to the side inner wall of the wiring mechanism, the wiring mechanism comprises a junction box, the side of the junction box is fixedly connected to the side of the equipment body, the side of the junction box is provided with a cavity, the side of the cavity is provided with a wiring hole, the side of the wiring hole is fixedly connected with a first conductive sheet, the plug mechanism comprises a handle, the side of the handle is fixedly connected with a fixed stopper, the side of the handle is fixedly connected with a connecting wire, the side of the fixed stopper is fixedly connected with a mounting column, the side of the mounting column is fixedly connected with a second conductive sheet at the position corresponding to the first conductive sheet, the top of the cavity is provided with a mounting hole, the top of the mounting hole is fixedly connected with a waste spring, and the bottom of the waste spring is fixedly connected with a fixing pin.
[0006] Furthermore, a movable stopper is movably sleeved on the side of the handle, a limiting ring is fixedly sleeved on the side of the handle, the movable stopper and the fixed stopper are both conical structures, and a slope is provided on the side of the fixing pin.
[0007] Furthermore, the bottom end of the fixing pin is movably connected to a roller via the pin.
[0008] Furthermore, a buffer spring is fixedly connected to the side of the wiring hole, a touch switch is fixedly connected to the side of the buffer spring, an indicator light is fixedly connected to the side of the wiring box, and an insulating sheet is fixedly connected to the side of the handle.
[0009] Furthermore, the dust-proof mechanism includes a first baffle, a side of the first baffle is movably connected to the side of the cavity, the side of the cavity is movably connected to a second baffle, a second semi-lunar hole is opened on the side of the second baffle, and a first semi-lunar hole is opened on the side of the first baffle.
[0010] Furthermore, a first mounting groove is opened at the position of the first baffle on the side of the cavity, a first pressure spring is fixedly connected to the bottom end of the first baffle, a top end of the first pressure spring is fixedly connected to the bottom end of the first baffle, a second mounting groove is opened at the top end of the cavity, a second pressure spring is fixedly connected to the top end of the second mounting groove, and the bottom end of the second pressure spring is fixedly connected to the top end of the second baffle.
[0011] Furthermore, a storage groove is provided on the side surface of the first baffle plate, and the side surface of the storage groove is movably connected to the side surface of the second baffle plate.
[0012] Technical effects and advantages of the utility model:
[0013] 1. The utility model enables an operator to push the first baffle plate and the second baffle plate to separate the two, hold the handle to insert the mounting column into the wiring hole, so that when the fixed block is inserted between the fixing pins on both sides, the conical surface of the fixed block contacts the inclined surface of the side surface of the fixing pin, push the fixing pin into the mounting hole, make the insulating sheet contact with the touch switch, the touch switch control indicator light emits green light, release the handle, and the buffer spring pushes the mounting column to move outward so that the side surface of the fixed block is close to the side surface of the fixing pin, and the plug mechanism is fixed, which is beneficial to improve the safety of the equipment.
[0014] 2. The utility model pushes the handle to move the handle toward the inside of the cavity, so that when the movable stopper contacts the inclined surface of the side of the fixed pin, the fixed pin is retracted into the second mounting groove and the top end of the fixed pin contacts the conical surface of the movable stopper. Then, the handle is pulled outward to make the top end of the fixed pin contact the conical surface of the movable stopper, so that the top end of the fixed pin moves along the conical surface of the movable stopper and passes over the fixed stopper, thereby removing the plug mechanism. The operation is simple and is conducive to improving work efficiency.
[0015] 3. When the utility model is in use, the first pressure spring pushes the first baffle plate, and the second pressure spring pushes the second baffle plate so that the two are close to each other, and the first semi-lunar hole and the second semi-lunar hole are tightly attached to the side of the handle. When not in use, the second baffle plate is inserted into the storage groove, and the first semi-lunar hole and the second semi-lunar hole are completely closed, so that the wiring mechanism remains sealed, avoiding dust adhering to the conductive sheet to cause poor contact, which is beneficial to improving the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the wiring mechanism structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the plug mechanism structure of the utility model;
[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the wiring mechanism of the utility model;
[0020] Figure 5 It is a schematic diagram of the fixing pin structure of the utility model.
[0021] The accompanying drawings are marked as follows: 1. Equipment body; 2. Wiring mechanism; 201. Junction box; 202. Indicator light; 203. Cavity; 204. Inclined surface; 205. Buffer spring; 206. Wiring hole; 207. Touch switch; 208. First conductive sheet; 209. Fixing pin; 210. First mounting slot; 211. Second mounting slot; 212. Waste spring; 213. Mounting hole; 214. Roller; 3. Plug mechanism; 301. Handle; 302. Limiting ring; 303. Connecting wire; 304. Movable stopper; 305. Fixed stopper; 306. Mounting column; 307. Second conductive sheet; 308. Insulating sheet; 4. Dustproof mechanism; 401. First baffle; 402. Second baffle; 403. First semi-lunar hole; 404. Second semi-lunar hole; 405. First pressure spring; 406. Storage slot; 407. Second pressure spring. DETAILED DESCRIPTION
[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are only examples. The molded case circuit breaker adapter device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0023] Reference Figures 1 to 5The utility model provides a wiring adapter for a molded case circuit breaker, comprising a device body 1, and also comprising: a wiring mechanism 2, a plug mechanism 3 and a dustproof mechanism 4. The side of the device body 1 is fixedly connected to the side of the wiring mechanism 2, the side inner wall of the wiring mechanism 2 is movably connected to the side of the plug mechanism 3, and the side of the dustproof mechanism 4 is movably connected to the side inner wall of the wiring mechanism 2. The wiring mechanism 2 comprises a wiring box 201, the side of the wiring box 201 is fixedly connected to the side of the device body 1, a cavity 203 is provided on the side of the wiring box 201, a wiring hole 206 is provided on the side of the cavity 203, and a first conductive sheet 208 is fixedly connected to the side of the wiring hole 206. The plug mechanism 3 comprises a handle 301, a fixed stopper 305 is fixedly connected to the side of the handle 301, and a connecting wire 208 is fixedly connected to the side of the handle 301. 303, a mounting column 306 is fixedly connected to the side of the fixed stopper 305, and a second conductive sheet 307 is fixedly connected to the side of the mounting column 306 corresponding to the position of the first conductive sheet 208. A mounting hole 213 is opened at the top of the cavity 203, and a waste spring 212 is fixedly connected to the top of the mounting hole 213, and a fixing pin 209 is fixedly connected to the bottom of the waste spring 212. The device body 1 is connected to the molded case circuit breaker through a wire, and the limit ring 302 is connected to the device that needs to be connected to the circuit. During use, the operator holds the handle 301 to insert the mounting column 306 into the wiring hole 206, and the waste spring 212 pushes the fixing pin 209 so that the fixing pin 209 clamps the side of the fixed stopper 305 to limit it, so that the second conductive sheet 307 and the first conductive sheet 208 are connected to the device to contact the circuit to prevent it from falling.
[0024] The side of the handle 301 is movably sleeved with a movable stopper 304, and the side of the handle 301 is fixedly sleeved with a limit ring 302. The movable stopper 304 and the fixed stopper 305 are both conical structures. The side of the fixed pin 209 is provided with an inclined surface 204. When the fixed stopper 305 is inserted between the fixed pins 209 on both sides, the conical surface of the fixed stopper 305 contacts the inclined surface 204 on the side of the fixed pin 209, pushing the fixed pin 209 into the mounting hole 213. When disassembly is required, the handle 301 is pushed to make the handle The handle 301 moves toward the inside of the cavity 203, so that when the movable stopper 304 contacts the inclined surface 204 on the side of the fixed pin 209, the fixed pin 209 is retracted into the second mounting groove 211 and the top of the fixed pin 209 contacts the conical surface of the movable stopper 304. Then, the handle 301 is pulled outward to make the top of the fixed pin 209 contact the conical surface of the movable stopper 304, so that the top of the fixed pin 209 moves along the conical surface of the movable stopper 304 and passes over the fixed stopper 305, thereby removing the plug mechanism 3.
[0025] The bottom end of the fixed pin 209 is movably connected to a roller 214 through a pin. When the fixed pin 209 moves along the conical surfaces of the fixed stopper 305 and the movable stopper 304, the roller 214 rolls to reduce the friction at the contact position, reduce wear and avoid jamming.
[0026] Among them, a buffer spring 205 is fixedly connected to the side of the wiring hole 206, a touch switch 207 is fixedly connected to the side of the buffer spring 205, an indicator light 202 is fixedly connected to the side of the wiring box 201, and an insulating sheet 308 is fixedly connected to the side of the handle 301. During use, the buffer spring 205 pushes the touch switch 207 so that the touch switch 207 is close to the side of the insulating sheet 308, so that the touch switch 207 controls the indicator light 202 to emit green light, indicating that the plug mechanism 3 is installed in place and connected to the circuit. At the same time, the buffer spring 205 pushes the touch switch 207 to push the installation column 306 to move outward so that the side of the fixed block 305 is stuck on the side of the fixing pin 209.
[0027] Among them, the dustproof mechanism 4 includes a first baffle plate 401, the side of the first baffle plate 401 is movably connected to the side of the cavity 203, the side of the cavity 203 is movably connected to the second baffle plate 402, the side of the second baffle plate 402 is provided with a second semi-moon hole 404, and the side of the first baffle plate 401 is provided with a first semi-moon hole 403. When the wiring mechanism 2 is not in use, the second baffle plate 402 cooperates with the first baffle plate 401 to block the cavity 203 to prevent external dust from entering the interior of the wiring mechanism 2 and to prevent dust from adhering to the conductive sheet to cause poor contact. When in use, the first semi-moon hole 403 and the second semi-moon hole 404 are tightly attached to the side of the handle 301 to keep the wiring mechanism 2 sealed.
[0028] Among them, a first mounting groove 210 is opened at the position of the first baffle 401 on the side of the cavity 203, and the bottom end of the first mounting groove 210 is fixedly connected with a first pressure spring 405, and the top of the first pressure spring 405 is fixedly connected to the bottom end of the first baffle 401. A second mounting groove 211 is opened at the top of the cavity 203, and the top of the second mounting groove 211 is fixedly connected with a second pressure spring 407, and the bottom end of the second pressure spring 407 is fixedly connected to the top of the second baffle 402. The first pressure spring 405 pushes the first baffle 401, and the second pressure spring 407 pushes the second baffle 402 to make the two close to each other.
[0029] Among them, a storage groove 406 is opened on the side of the first baffle 401, and the side of the storage groove 406 is movably connected to the side of the second baffle 402. When the wiring mechanism 2 is not in use, the second baffle 402 is inserted into the storage groove 406, completing the first semi-lunar hole 403 and the second semi-lunar hole 404, so that the wiring mechanism 2 remains sealed.
[0030] The working principle of the utility model is as follows: the device body 1 is connected to the molded case circuit breaker through a wire, and the limit ring 302 is connected to the device that needs to be connected to the circuit. During use, the operator pushes the first baffle 401 and the second baffle 402 to separate the two, holds the handle 301 and inserts the mounting column 306 into the wiring hole 206, so that when the fixed block 305 is inserted between the fixed pins 209 on both sides, the conical surface of the fixed block 305 contacts the inclined surface 204 on the side of the fixed pin 209, and pushes the fixed pin 209 into the mounting hole 213, so that the insulating sheet 308 contacts the touch switch 207, and the touch switch 207 controls the indicator light 202 to emit green light, releases the handle 301, and the buffer spring 205 pushes the mounting column 306 to move outward so that the side of the fixed block 305 is close to the side of the fixed pin 209, so that the first conductive sheet 208 contacts the second conductive sheet 307, so that the device is connected to the circuit. At the same time, the first pressure spring 4 05 pushes the first baffle plate 401, and the second pressure spring 407 pushes the second baffle plate 402 to make the two approach each other, and the first semi-moon hole 403 and the second semi-moon hole 404 are close to the side of the handle 301. When the plug mechanism 3 needs to be taken out, the handle 301 is pushed to move the handle 301 toward the inside of the cavity 203, so that the movable stopper 304 contacts the inclined surface 204 on the side of the fixing pin 209, and the fixing pin 209 is received in the second mounting groove 211 and the top of the fixing pin 209 contacts the conical surface of the movable stopper 304. Then, the handle 301 is pulled outward to make the top of the fixing pin 209 contact the conical surface of the movable stopper 304, so that the top of the fixing pin 209 moves along the conical surface of the movable stopper 304 and passes over the fixed stopper 305, separating the first baffle plate 401 and the second baffle plate 402, so as to take out the housing of the plug mechanism 3, and then the second baffle plate 402 is inserted into the storage groove 406 to completely block the cavity 203.
[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A molded case circuit breaker adapter, comprising a device body (1), characterized in that: Also includes: A wiring mechanism (2), a plug mechanism (3) and a dustproof mechanism (4), wherein the side of the device body (1) is fixedly connected to the side of the wiring mechanism (2), the side inner wall of the wiring mechanism (2) is movably connected to the side of the plug mechanism (3), the side of the dustproof mechanism (4) is movably connected to the side inner wall of the wiring mechanism (2), the wiring mechanism (2) comprises a wiring box (201), the side of the wiring box (201) is fixedly connected to the side of the device body (1), the side of the wiring box (201) is provided with a cavity (203), the side of the cavity (203) is provided with a wiring hole (206), the side of the wiring hole (206) is fixedly connected with a first conductive The plug mechanism (3) comprises a handle (301), a fixed stopper (305) is fixedly connected to the side of the handle (301), a connecting line (303) is fixedly connected to the side of the handle (301), a mounting column (306) is fixedly connected to the side of the fixed stopper (305), a second conductive sheet (307) is fixedly connected to the side of the mounting column (306) at a position corresponding to the first conductive sheet (208), a mounting hole (213) is provided at the top of the cavity (203), a waste spring (212) is fixedly connected to the top of the mounting hole (213), and a fixing pin (209) is fixedly connected to the bottom of the waste spring (212).
2. A molded case circuit breaker adapter according to claim 1, characterized in that: A movable stopper (304) is movably sleeved on the side of the handle (301), a limit ring (302) is fixedly sleeved on the side of the handle (301), the movable stopper (304) and the fixed stopper (305) are both conical structures, and a slope (204) is provided on the side of the fixing pin (209).
3. The molded case circuit breaker adapter according to claim 1, characterized in that: The bottom end of the fixing pin (209) is movably connected to a roller (214) via the pin.
4. The molded case circuit breaker adapter according to claim 1, characterized in that: A buffer spring (205) is fixedly connected to the side of the wiring hole (206), a touch switch (207) is fixedly connected to the side of the buffer spring (205), an indicator light (202) is fixedly connected to the side of the wiring box (201), and an insulating sheet (308) is fixedly connected to the side of the handle (301).
5. The molded case circuit breaker adapter according to claim 1, characterized in that: The dustproof mechanism (4) comprises a first baffle (401), the side of the first baffle (401) being movably connected to the side of the cavity (203), the side of the cavity (203) being movably connected to a second baffle (402), the side of the second baffle (402) being provided with a second semi-lunar hole (404), and the side of the first baffle (401) being provided with a first semi-lunar hole (403).
6. A molded case circuit breaker adapter according to claim 5, characterized in that: A first mounting groove (210) is provided at the position of the first baffle (401) on the side of the cavity (203); a first pressure spring (405) is fixedly connected to the bottom end of the first mounting groove (210); a top end of the first pressure spring (405) is fixedly connected to the bottom end of the first baffle (401); a second mounting groove (211) is provided at the top end of the cavity (203); a second pressure spring (407) is fixedly connected to the top end of the second mounting groove (211); a bottom end of the second pressure spring (407) is fixedly connected to the top end of the second baffle (402).
7. A molded case circuit breaker adapter according to claim 5, characterized in that: A storage groove (406) is provided on the side surface of the first baffle plate (401), and the side surface of the storage groove (406) is movably connected to the side surface of the second baffle plate (402).