Electronic molded case circuit breaker with conveniently connected accessories

The locking structure of the limiting plate, baffle, and elastic clamping plate solves the problem of cumbersome disassembly of electronic molded case circuit breaker accessories, enabling quick fixing and release, and improving the convenience and stability of operation.

CN224053109UActive Publication Date: 2026-03-27TIANJIN SENDAAO ELECTRIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The process of disassembling and connecting accessories for existing electronic molded case circuit breakers is cumbersome and difficult.

Method used

The device employs a locking structure with a limiting plate and a baffle, and uses a threaded rod and a knob to quickly fix and release the box closure. Combined with the design of an elastic clamping plate and a U-shaped fixing bracket, it enables convenient connection and disassembly of accessories.

Benefits of technology

It enables quick fixing and unfixing of accessories, simplifies the operation process, and improves the convenience and stability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit breakers, and discloses an electronic molded case circuit breaker with an accessory convenient to connect, which comprises a shell; the limiting part is arranged on one side of the shell; the clamping part is arranged on one side of the limiting part; wherein the limiting part comprises a box body, and the box body is fixedly connected to one side of the shell. After a baffle is blocked and limited by a limiting plate, a brake plate is held by a hand, a second limiting block slides along a third sliding opening, and therefore a sliding block and an elastic clamping plate are driven to slide along the track of a fixing frame, after the elastic clamping plate makes contact with a U-shaped fixing frame, along with continuous sliding of the elastic clamping plate, the U-shaped fixing frame extrudes the elastic clamping plate, and the elastic clamping plate is fixed to the U-shaped fixing frame. And after one end of the elastic clamping plate penetrates through the U-shaped fixing frame, the elastic clamping plate is reset, so that the U-shaped fixing frame limits the elastic clamping plate, the purpose of quickly fixing the positions of the limiting plate and the baffle is achieved, and on the contrary, the purpose of quickly releasing closing of the box body is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a kind of electronic moulded case circuit breaker of accessory convenient connection. BACKGROUND

[0002] Circuit breaker is a kind of current switch device for distributing electric energy, real-time protection to power line and motor, it can be according to the normal, overload, short-circuit and under-voltage etc. of circuit, try and carry, close, disconnect the current in normal loop, to ensure the safety of circuit.Electronic moulded case circuit breaker as a kind of circuit breaker, it is with plastic insulator as the shell of device, and also can cut off current after actual current exceeds trip setting value.

[0003] Circuit breaker will be equipped with various accessories, and for electronic moulded case circuit breaker, these accessories are connected with the circuit board in the circuit breaker through wire, therefore, these connecting wires are often ingeniously arranged inside the shell of electronic moulded case circuit breaker, to ensure the compactness and functionality of the whole, however, accessories are usually fixed using bolt, so when connecting accessories needs to be disassembled, not only the process will become relatively cumbersome, and the operation difficulty is relatively large. SUMMARY

[0004] The utility model discloses a kind of electronic moulded case circuit breakers of accessory convenient connection, achieve the technical problem that when needing to disassemble connecting accessory in prior art, not only process will become relatively cumbersome, and the operation difficulty is relatively large, reach the purpose of quickly fixed limit plate and baffle position, otherwise, the purpose of quickly releasing box closed.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of electronic moulded case circuit breaker of accessory convenient connection, including: shell;Limit position is arranged at the side of the shell;Clamping position is arranged at the side of the limit position;Wherein, the limit position includes: box, fixedly connected at the side of shell, the box is symmetrically arranged;Baffle, baffle is rotatably connected with the base.

[0006] Preferably, the inner wall of the box is provided with a wire port, the wire port is symmetrically arranged, a sliding port one is formed in one side of the box, the sliding port one is symmetrically arranged, a limit plate is rotatably connected with the base on one side of the box, the limit plate is matched with the baffle, the limit plate blocks the baffle, to ensure the stability of the baffle in closed state.

[0007] Preferably, the inner thread of the baffle is threadedly connected with a threaded rod, one end of the threaded rod is fixedly connected with a knob, the other end of the threaded rod extends inwardly through the limiting plate and is rotationally connected with a limiting pad, one side of the limiting pad is fixedly connected with a sliding column, the sliding columns are symmetrically arranged, the sliding columns are slidingly connected in the inner portion of the sliding port one, the sliding column is inserted into the inner portion of the sliding port one after the baffle rotates to close the box body, and a stable connecting structure is formed.

[0008] Preferably, the clamping part comprises a fixed frame fixedly connected to one side of the limiting plate, and U-shaped fixing frames fixedly connected to one side of the baffle.

[0009] Preferably, one side of the fixed frame is provided with a sliding port two, the sliding port two is symmetrically arranged, a sliding port three is formed in the top of the fixed frame, a sliding block is slidingly connected in the inner portion of the fixed frame, one end of the sliding block is fixedly connected with an elastic clamping plate, the elastic clamping plate is clamped and connected with the U-shaped fixing frame, and the cooperation of the elastic clamping plate and the U-shaped fixing frame ensures the stability of the limiting plate and the baffle after being fixed.

[0010] Preferably, one side of the sliding block is fixedly connected with a limiting block one, the limiting blocks one are symmetrically arranged, the limiting block one is slidingly connected in the inner portion of the sliding port two, the top of the sliding block is fixedly connected with a limiting block two, the limiting block two is slidingly connected in the inner portion of the sliding port three, and the top of the limiting block two is fixedly connected with a brake plate.

[0011] Preferably, a spring one is arranged between the sliding block and the fixed frame, one end of the spring one is fixedly connected to one end of the sliding block, and the other end of the spring one is fixedly connected to the inner wall of the fixed frame.

[0012] The utility model provides an annex convenient to connect formula's electronic formula plastic shell circuit breaker.

[0013] (1), the utility model discloses a box body is placed in the inside to the annex, then rotates the baffle, makes it close to the box body, then rotates the limiting plate, makes the limiting plate block the baffle and limit, after the baffle rotates to close the box body, sliding column is inserted into the inner portion of sliding port one, then holds the knob, makes the knob control threaded rod rotation and advances, limiting pad advances along the track of sliding port one, and this reaches the purpose of limiting the annex.

[0014] (2), the utility model discloses a limit stop plate is blocked to baffle after the limit stop, and hand brake plate makes limit block no. 2 slide along the track of sliding mouth no. 3, thereby drive the sliding block and the elastic clamping plate slide along the track of fixed frame, when the elastic clamping plate contacts U type fixed frame, along with the continuous sliding of elastic clamping plate, thereby make U type fixed frame extrude elastic clamping plate, when one end of elastic clamping plate penetrates U type fixed frame, and elastic clamping plate resets, thereby make U type fixed frame limit elastic clamping plate, and this reaches the purpose of quick fixing limit stop plate and baffle position, and vice versa, then the purpose of quick release box body closure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the main structure diagram of the utility model structure;

[0016] Fig. 2 It is the front view of the utility model;

[0017] Fig. 3 It is the limit position view of the utility model;

[0018] Fig. 4 It is the limit position detail view of the utility model;

[0019] Fig. 5 It is the clamping position view of the utility model;

[0020] Fig. 6 It is the clamping position detail view of the utility model.

[0021] In the drawing: 1 shell, 2 limit position, 3 clamping position;

[0022] 211 box body, 212 baffle, 213 limit stop plate, 214 threaded rod, 215 knob, 216 limit pad, 217 sliding column;

[0023] 311 fixed frame, 312 U type fixed frame, 313 sliding block, 314 elastic clamping plate, 315 spring no. 1, 316 limit block no. 1, 317 limit block no. 2, 318 brake plate. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0025] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model.

[0026] Embodiment one:

[0027] Based on the prior art existing need to disassemble the connecting accessory, not only the process will become relatively cumbersome and the technical problem of difficult operation, the preferred embodiment of the accessory convenient connection type electronic molded case circuit breaker provided by the utility model as shown in the figure Figs. 1-6 As shown: a kind of accessory convenient connection type electronic molded case circuit breaker, including: shell 1;Limiting site 2 is arranged at the side of shell 1;Clamping site 3 is arranged at the side of limiting site 2;Wherein, limiting site 2 includes: box 211, fixedly connected at the side of shell 1, box 211 is symmetrically arranged;Baffle 212 is rotatably connected with baffle 212 by base.

[0028] The inner wall of box 211 is provided with a wire port, and the wire port is symmetrically arranged, one side of box 211 is provided with sliding port one, and the sliding port one is symmetrically arranged, one side of box 211 is rotatably connected with limiting plate 213 by base, and limiting plate 213 is matched with baffle 212.

[0029] The inside of baffle 212 is threadedly connected with threaded rod 214, one end of threaded rod 214 is fixedly connected with knob 215, the other end of threaded rod 214 extends inwardly and is rotatably connected with limiting pad 216, one side of limiting pad 216 is fixedly connected with sliding column 217, sliding column 217 is symmetrically arranged, and sliding column 217 is slidably connected in the inside of sliding port one.

[0030] Further, the embodiment is placed in the inside of box 211, then the baffle 212 is rotated, the box 211 is closed, then the limiting plate 213 is rotated, the limiting plate 213 is blocked to the baffle 212, after the baffle 212 is rotated and closed to the box 211, so that the sliding column 217 is inserted into the inside of sliding port one, then the knob 215 is held, the knob 215 controls the threaded rod 214 to rotate forward, so that the limiting pad 216 advances along the track of sliding port one, to achieve the purpose of limiting the accessory.

[0031] Embodiment two:

[0032] Based on Embodiment 1, a preferred embodiment of the accessory-connectable electronic molded case circuit breaker provided by this utility model is, for example... Figs. 1-6 As shown: the engaging part 3 includes: a fixing frame 311, which is fixedly connected to one side of the limiting plate 213, and the fixing frames 311 are symmetrically arranged; and a U-shaped fixing bracket 312, which is fixedly connected to one side of the baffle 212, and the U-shaped fixing bracket 312 is symmetrically arranged.

[0033] A sliding opening 2 is provided on one side of the fixed frame 311, and the sliding opening 2 are symmetrically arranged. A sliding opening 3 is provided on the top of the fixed frame 311. A sliding block 313 is slidably connected inside the fixed frame 311. An elastic card plate 314 is fixedly connected to one end of the sliding block 313. The elastic card plate 314 is engaged with the U-shaped fixed frame 312.

[0034] A limiting block 316 is fixedly connected to one side of the sliding block 313. The limiting blocks 316 are symmetrically arranged and are slidably connected inside the sliding opening 2. A limiting block 317 is fixedly connected to the top of the sliding block 313. The limiting block 317 is slidably connected inside the sliding opening 3. A brake plate 318 is fixedly connected to the top of the limiting block 317.

[0035] A spring 315 is provided between the sliding block 313 and the fixed frame 311. One end of the spring 315 is fixedly connected to one end of the sliding block 313, and the other end of the spring 315 is fixedly connected to the inner wall of the fixed frame 311.

[0036] Furthermore, in this embodiment, after the limiting plate 213 blocks and limits the baffle 212, the hand-held brake plate 318 is used to make the limiting block 317 slide along the trajectory of the sliding opening 3, thereby driving the sliding block 313 and the elastic plate 314 to slide along the trajectory of the fixed frame 311. When the elastic plate 314 contacts the U-shaped fixing frame 312, as the elastic plate 314 continues to slide, the U-shaped fixing frame 312 squeezes the elastic plate 314. When one end of the elastic plate 314 passes through the U-shaped fixing frame 312, the elastic plate 314 resets, thereby limiting the elastic plate 314 by the U-shaped fixing frame 312, thus achieving the purpose of quickly fixing the position of the limiting plate 213 and the baffle 212. Conversely, the purpose of quickly releasing the closure of the box 211 is achieved.

[0037] In use, first, the accessory is placed in the inside of the box body 211, then the baffle 212 is rotated to close the box body 211, then the limiting plate 213 is rotated to block the baffle 212, after the baffle 212 is rotated to close the box body 211, the sliding column 217 is inserted into the inside of the sliding opening one, then the knob 215 is held to control the threaded rod 214 to rotate forward, the limiting pad 216 is advanced along the track of the sliding opening one, so that the accessory is limited; second, after the limiting plate 213 blocks the baffle 212, the brake plate 318 is held, the limiting block two 317 is slid along the track of the sliding opening three, so that the sliding block 313 and the elastic clamping plate 314 are slid along the track of the fixed frame 311, when the elastic clamping plate 314 contacts the U-shaped fixing frame 312, the elastic clamping plate 314 is continuously slid, so that the U-shaped fixing frame 312 extrudes the elastic clamping plate 314, when one end of the elastic clamping plate 314 penetrates the U-shaped fixing frame 312, the elastic clamping plate 314 is reset, so that the U-shaped fixing frame 312 limits the elastic clamping plate 314, so that the position of the limiting plate 213 and the baffle 212 is quickly fixed, otherwise, the purpose of closing the box body 211 is quickly released.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. 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. An accessory plug-in electronic molded case circuit breaker, characterized by, Including: the shell (1); The limiting part (2) is arranged on one side of the shell (1); The clamping part (3) is arranged on one side of the limiting part (2); Wherein, the limiting part (2) comprises: The box (211) is fixedly connected on one side of the shell (1), and the box (211) is symmetrically arranged; The baffle (212) is rotatably connected with the baffle (212) through the base.

2. An accessory plug-in electronic molded case circuit breaker according to claim 1, characterized in that: The inner wall of the box (211) is provided with a wire port, the wire port is symmetrically arranged, one side of the box (211) is provided with a sliding port one, the sliding port one is symmetrically arranged, one side of the box (211) is rotatably connected with a limiting plate (213) through the base, and the limiting plate (213) is matched with the baffle (212).

3. An accessory plug-in electronic molded case circuit breaker according to claim 1, characterized in that: The inside of the baffle (212) is threadedly connected with a threaded rod (214), one end of the threaded rod (214) is fixedly connected with a knob (215), the other end of the threaded rod (214) extends inwardly and is rotatably connected with a limiting pad (216), one side of the limiting pad (216) is fixedly connected with a sliding column (217), the sliding column (217) is symmetrically arranged, and the sliding column (217) is slidably connected in the inside of the sliding port one.

4. An accessory plug-in electronic molded case circuit breaker according to claim 1, wherein: The clamping part (3) comprises: The fixed frame (311) is fixedly connected on one side of the limiting plate (213), and the fixed frame (311) is symmetrically arranged; The U-shaped fixing frame (312) is fixedly connected on one side of the baffle (212), and the U-shaped fixing frame (312) is symmetrically arranged.

5. An accessory plug-in electronic molded case circuit breaker according to claim 4, characterized in that: One side of the fixed frame (311) is provided with a sliding port two, the sliding port two is symmetrically arranged, the top of the fixed frame (311) is provided with a sliding port three, the inside of the fixed frame (311) is slidably connected with a sliding block (313), one end of the sliding block (313) is fixedly connected with an elastic clamping plate (314), and the elastic clamping plate (314) is connected with the U-shaped fixing frame (312) in clamping mode.

6. An accessory plug-in electronic molded case circuit breaker according to claim 5, characterized in that: One side of the sliding block (313) is fixedly connected with a limiting block one (316), the limiting block one (316) is symmetrically arranged, the limiting block one (316) is slidably connected in the inside of the sliding port two, the top of the sliding block (313) is fixedly connected with a limiting block two (317), the limiting block two (317) is slidably connected in the inside of the sliding port three, and the top of the limiting block two (317) is fixedly connected with a brake plate (318).

7. An accessory plug-in electronic molded case circuit breaker according to claim 5, wherein: The spring one (315) is arranged between the sliding block (313) and the fixed frame (311), one end of the spring one (315) is fixedly connected with one end of the sliding block (313), and the other end of the spring one (315) is fixedly connected with the inner wall of the fixed frame (311).