Circuit breaker mistaken touch prevention structure

By designing components such as a limit frame, switch roller, insulating protective cover and external protective cover on the circuit breaker, the problem of insufficient restriction of the turning plate is solved, stable protection and safety of the circuit breaker are achieved, and accidental switching and external damage are avoided.

CN223378099UActive Publication Date: 2025-09-23CHINA CONSTR EIGHT ENG DIV CORP LTD
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Patent Information

Application Number
CN202422032877.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-09-23
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

In the existing circuit breaker anti-accidental touch structure, the restrictiveness of the rotating plate is weak, resulting in unstable installation of the protective cover, which cannot effectively prevent workers from accidentally touching the switch, and is unsafe.

Method used

The combination design of the limit frame, switch roller, insulation protection cover, external protection cover and other components is adopted. The stable protection of the circuit breaker is achieved through the pressing plate, connecting rod, magnetic slot and other structures to avoid direct contact with the switch, and the circuit breaker body is protected by double protection.

Benefits of technology

It improves the safety and stability of circuit breaker operation, prevents accidental touch of switches, protects circuit breaker from external damage, and ensures the safety of circuit maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223378099U_ABST
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Abstract

The utility model discloses a circuit breaker mistaken touch prevention structure, which comprises a circuit breaker main body, the middle part of the front end of the circuit breaker main body is fixedly connected with a limiting frame, the front end of the circuit breaker main body is located in the limiting frame and is rotatably connected with a switch roller, and the outer part of the switch roller is fixedly connected with a traction plate. The lower side of the front end of the circuit breaker main body is rotatably connected with an insulation protection cover, the interior of the insulation protection cover is fixedly connected with a fixing seat, the middle part of the fixing seat is rotatably connected with a connecting rod, and the exterior of the inner side of the insulation protection cover is fixedly connected with a connecting buckle plate. A buckle limiting assembly is installed in the protruding block at the front end of the circuit breaker body, the protective cover of the circuit breaker is more stable in installation, workers can be prevented from directly making contact with a switch, the use safety of the device is improved, the circuit breaker is further protected through double protection, and the use stability of the circuit breaker is guaranteed.
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Description

Technical Field

[0001] The utility model belongs to the technical direction of circuit breakers, and particularly relates to a circuit breaker anti-mistouch structure. Background Art

[0002] A circuit breaker is an electrical device used to disconnect the current in a circuit to protect the circuit and electrical equipment from damage caused by faults such as overload or short circuit. It plays a role similar to a switch in the circuit. When the current exceeds the safe range or a fault occurs, the circuit breaker will quickly cut off the circuit and prevent the current from continuing to flow, thereby protecting the safety of electrical equipment and personnel.

[0003] After searching, the announcement number CN220021010U is a molded case circuit breaker anti-accidental touch structure, including a circuit breaker housing, the front part of the circuit breaker housing is rotated to press the switch, and the front part of the circuit breaker housing is located on the outside of the switch and is provided with a protective structure, the protective structure includes a protective cover, the protective cover is rotatably installed on the front part of the circuit breaker housing and is located on the outside of the switch, the top of the protective cover is fixedly installed with a convex plate, the bottom end of the protective cover is also installed with a convex plate, and a hinge is provided between the convex plate at the bottom end of the protective cover and the circuit breaker housing, the front part of the circuit breaker housing is fixedly installed with a rotating plate, and the rotating plate is located in front of the convex plate. The anti-accidental touch structure of the molded case circuit breaker described in the utility model, the protective cover covers the outside of the switch, can effectively protect the switch, and achieves the effects of waterproofing, dustproofing, and preventing accidental touch, while also increasing safety for circuit maintenance personnel.

[0004] Based on the above patent, the protective cover is detached by rotating the rotating plate, and then the protective cover is flipped open by the hinge. After opening, the elastic pin is inserted into the inside of the socket. At this time, when an outsider pushes the switch 6, it can be restricted by the elastic pin, thereby reminding the personnel that the circuit connected to the circuit breaker is in the maintenance stage, avoiding the phenomenon of mistakenly sending the power switch and causing danger to the power maintenance personnel. However, the restriction is performed by the rotating plate, which is more flexible and less restrictive, so that the installation of the protective cover is not stable enough. Utility Model Content

[0005] The purpose of the present invention is to provide a circuit breaker anti-triggering structure in view of the existing technology, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a circuit breaker anti-touch error structure, comprising a circuit breaker body, a limiting frame fixedly connected to the middle of the front end of the circuit breaker body, the front end of the circuit breaker body is located inside the limiting frame and is rotatably connected to a switch roller, the outside of the switch roller is fixedly connected to a traction plate, the lower side of the front end of the circuit breaker body is rotatably connected to an insulating protective cover, the inside of the insulating protective cover is fixedly connected to a fixing seat, the middle of the fixing seat is rotatably connected to a connecting rod, the inner and outer sides of the insulating protective cover are fixedly connected to a connecting clip plate, a clip limiting assembly is installed inside the front end protruding block of the circuit breaker body, and a protective assembly is installed outside the circuit breaker body.

[0007] Furthermore, the protective assembly includes support columns located on both sides of the circuit breaker body, the outside of the support columns is rotatably connected to an external protective cover, the top of the external protective cover is provided with a magnetic slot, the rear side of the top of the circuit breaker body is fixedly connected to a magnetic limiting plate, and both sides of the circuit breaker body are located on the lower side of the support columns and are fixedly connected to limiting inclined plates.

[0008] Furthermore, the snap-on limiting assembly includes a pressing notch located inside the front end of the circuit breaker body, a force-bearing pressure plate is slidably connected to the inside of the pressing notch, the bottom end of the force-bearing pressure plate is connected to the inside of the pressing notch through a spring member, a limiting block is fixedly connected to the front end of the force-bearing pressure plate, a pressing plate is fixedly connected to the rear end of the force-bearing pressure plate, and a snap-on groove is provided on the upper side of the front end of the circuit breaker body.

[0009] Furthermore, the outer portion of the connecting clip plate is nested in the inner portion of the clip groove, and the outer portion of the pressing plate is slidably connected to the top end of the circuit breaker body.

[0010] Furthermore, the exterior of the limiting block is nested in the interior of the connecting buckle plate, and the inner side of the connecting rod is rotatably connected to the middle of the traction plate.

[0011] Furthermore, the magnetic restriction plate is magnetically connected to the magnetic slot.

[0012] Furthermore, two sides of the bottom end of the external protective cover are respectively correspondingly attached to the top end of the limiting inclined plate.

[0013] Furthermore, both sides of the insulating protective cover are provided with taking slots.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0015] (1) The opening and closing of the circuit breaker is completed by pressing the plate, insulating protective cover, taking notch, fixing seat, switch roller, traction plate, limit frame, snap groove, pressure plate, limit block, spring member, and connecting snap plate. The installation of the protective cover of the circuit breaker is more stable and can prevent workers from directly contacting the switch, thereby improving the safety of the device;

[0016] (2) The device is protected by an external protective cover, a circuit breaker body, a limiting inclined plate, a support column, a magnetic limiting plate, a magnetic notch, and an insulating protective cover to prevent the circuit breaker from being directly damaged by the outside. The circuit breaker is further protected by double protection to ensure the stability of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is an overall diagram of a circuit breaker anti-touch structure proposed by the utility model;

[0019] Figure 2 This is a diagram of the main structure of a circuit breaker with an anti-false-touch structure proposed by the present invention;

[0020] Figure 3 This is an opening and closing diagram of a circuit breaker anti-touch-error structure proposed by the utility model;

[0021] Figure 4 This is an internal diagram of a circuit breaker main body of a circuit breaker anti-false touch structure proposed in the present invention;

[0022] Figure 5 for Figure 4 Enlarged view of point A.

[0023] In the figure: 1. Circuit breaker body; 2. External protective cover; 3. Magnetic notch; 4. Magnetic limiting plate; 5. Support column; 6. Limiting inclined plate; 7. Pressing plate; 8. Insulating protective cover; 9. Taking notch; 10. Snap slot; 11. Limiting frame; 12. Switch roller; 13. Pull plate; 14. Fixed seat; 15. Connecting rod; 16. Pressing notch; 17. Spring member; 18. Limiting block; 19. Pressure plate; 20. Connecting snap plate. DETAILED DESCRIPTION

[0024] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] See also Figure 1-5 The utility model provides a technical solution: a circuit breaker anti-touch structure, including a circuit breaker body 1, a limiting frame 11 is fixedly connected to the middle of the front end of the circuit breaker body 1, the front end of the circuit breaker body 1 is located inside the limiting frame 11 and is rotatably connected to a switch roller 12, the outside of the switch roller 12 is fixedly connected to a traction plate 13, the front end lower side of the circuit breaker body 1 is rotatably connected to an insulating protective cover 8, the inside of the insulating protective cover 8 is fixedly connected to a fixing seat 14, the middle of the fixing seat 14 is rotatably connected to a connecting rod 15, the inner and outer sides of the insulating protective cover 8 are fixedly connected to a connecting clip plate 20, a pressing notch 16 is opened inside the protruding block of the front end of the circuit breaker body 1, and both sides of the outside of the circuit breaker body 1 are 6 is fixedly connected, and a force-bearing pressure plate 19 is slidably connected to the inside of the pressing slot 16. The bottom end of the force-bearing pressure plate 19 is connected to the inside of the pressing slot 16 through a spring member 17. The front end of the force-bearing pressure plate 19 is fixedly connected to a limiting block 18, and the rear end of the top of the force-bearing pressure plate 19 is fixedly connected to a pressing plate 7. A snap groove 10 is provided on the upper front end of the circuit breaker body 1, and the outside of the connecting snap plate 20 is nested in the inside of the snap groove 10. The outside of the pressing plate 7 is slidably connected to the top of the circuit breaker body 1, and the outside of the limiting block 18 is nested in the inside of the connecting snap plate 20. The inner side of the connecting rod 15 is rotatably connected to the middle of the traction plate 13, and both sides of the insulating protective cover 8 are provided with a taking slot 9;

[0026] When the circuit breaker needs to be tested, the pressing plate 7 is pressed downward, and the pressure is transmitted to the top of the force-bearing pressure plate 19. The force-bearing pressure plate 19 slides downward inside the pressing notch 16, so that the limiting block 18 is disengaged from the inside of the connecting clip plate 20. The connecting clip plate 20 loses its fixation, and the insulating protective cover 8 is flipped outward by taking the notch 9. As the insulating protective cover 8 is unfolded outward, the inner fixing seat 14 drives the connecting rod 15 to be guided, thereby generating a pulling force on the traction plate 13 through the connecting rod 15. When the insulating protective cover 8 is fully unfolded, the switch roller 12 rotates downward to cut off the power, preventing the staff from directly touching the switch, and the work is completed. After the inspection, the insulating protective cover 8 is flipped upwards, and the connecting snap plate 20 is inserted into the inside of the snap groove 10. When the inclined surface of the connecting snap plate 20 contacts the inclined surface of the limiting block 18, as the connecting snap plate 20 exerts force inward, the limiting block 18 is pressed downward, causing the spring member 17 to deform. When the connecting snap plate 20 completely penetrates the inside of the snap groove 10, the spring member 17 exerts force on the pressure plate 19, thereby snapping the limiting block 18 into the inside of the connecting snap plate 20, thereby completing the fixation. The protective cover of the circuit breaker is installed more stably, and can prevent staff from directly contacting the switch, thereby improving the safety of the device.

[0027] Reference Figure 1 、 Figure 2 and Figure 3 The outer part of the support column 5 is rotatably connected to the outer protective cover 2, and a magnetic slot 3 is provided at the top of the external protective cover 2. A magnetic limiting plate 4 is fixedly connected to the rear side of the top of the circuit breaker body 1. Both sides of the circuit breaker body 1 are located under the support column 5 and are fixedly connected to limiting inclined plates 6. The magnetic limiting plates 4 are magnetically connected to the magnetic slot 3, and the two sides of the bottom end of the external protective cover 2 are respectively attached to the top of the limiting inclined plates 6;

[0028] The bottom end of the external protective cover 2 is fitted on the top of the limiting inclined plate 6. The outside of the external protective cover 2 completely protects the front end structure of the circuit breaker body 1 inside to prevent damage to the internal structure, and the inner insulating protective cover 8 further protects the switch. The external protective cover 2 is lifted upward, and the inner side of the external protective cover 2 rotates outside the support column 5. When the external protective cover 2 rotates to the top, the magnetic groove 3 on the upper side of the external protective cover 2 contacts the front end of the magnetic limiting plate 4. The external protective cover 2 is stabilized by the magnetic attraction of the two to prevent the circuit breaker from being directly damaged by the outside. The circuit breaker is further protected by double protection to ensure the stability of the circuit breaker.

[0029] Working principle: The bottom end of the external protective cover 2 is attached to the top of the limiting inclined plate 6. The outside of the external protective cover 2 completely protects the front structure of the circuit breaker body 1 inside to avoid damage to the internal structure, and the inner insulating protective cover 8 further protects the switch. The external protective cover 2 is lifted to the upward side, and the inner side of the external protective cover 2 rotates outside the support column 5. When the external protective cover 2 rotates to the top, the magnetic notch 3 on the upper side of the external protective cover 2 contacts the front end of the magnetic limiting plate 4. The external protective cover 2 is stabilized by the magnetic attraction of the two. The circuit breaker needs to be inspected. During testing, the pressing plate 7 is pressed downward, and the pressure is transmitted to the top of the stressed pressure plate 19. The stressed pressure plate 19 slides downward inside the pressing slot 16, thereby disengaging the limiting block 18 from the inside of the connecting snap plate 20. The connecting snap plate 20 loses its fixation, and the insulating protective cover 8 is flipped outward by taking the slot 9. As the insulating protective cover 8 unfolds outward, the inner fixing seat 14 drives the connecting rod 15 to move, thereby generating a pulling force on the traction plate 13 through the connecting rod 15. When the insulating protective cover 8 is fully unfolded, the switch roller 12 rotates downward to cut off the power, preventing the staff from directly touching the switch.

[0030] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0031] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A circuit breaker anti-touch structure, comprising a circuit breaker body (1), characterized in that: A limiting frame (11) is fixedly connected to the middle of the front end of the circuit breaker body (1); a switch roller (12) is rotatably connected to the front end of the circuit breaker body (1) located inside the limiting frame (11); a traction plate (13) is fixedly connected to the outside of the switch roller (12); an insulating protective cover (8) is rotatably connected to the lower side of the front end of the circuit breaker body (1); a fixing seat (14) is fixedly connected to the inside of the insulating protective cover (8); a connecting rod (15) is rotatably connected to the middle of the fixing seat (14); a connecting clip plate (20) is fixedly connected to the inside of the insulating protective cover (8); a clip limiting assembly is installed inside the front end protruding block of the circuit breaker body (1); and a protective assembly is installed outside the circuit breaker body (1).

2. The circuit breaker anti-touch structure according to claim 1, characterized in that: The protective assembly comprises support columns (5) located on both sides of the circuit breaker body (1); the outer portion of the support columns (5) is rotatably connected to an external protective cover (2); a magnetic notch (3) is provided at the top end of the external protective cover (2); a magnetic limiting plate (4) is fixedly connected to the rear side of the top end of the circuit breaker body (1); and limiting inclined plates (6) are fixedly connected to the lower sides of the support columns (5) on both sides of the circuit breaker body (1).

3. The circuit breaker anti-touch structure according to claim 1, characterized in that: The buckle limiting assembly includes a pressing notch (16) located inside the front end of the circuit breaker body (1); a force-bearing pressure plate (19) is slidably connected inside the pressing notch (16); the bottom end of the force-bearing pressure plate (19) is connected to the inside of the pressing notch (16) through a spring member (17); a limiting block (18) is fixedly connected to the front end of the force-bearing pressure plate (19); a pressing plate (7) is fixedly connected to the rear end of the top end of the force-bearing pressure plate (19); and a buckle groove (10) is provided on the upper side of the front end of the circuit breaker body (1).

4. The circuit breaker anti-touch structure according to claim 3, characterized in that: The exterior of the connecting snap plate (20) is nested in the interior of the snap groove (10), and the exterior of the pressing plate (7) is slidably connected to the top of the circuit breaker body (1).

5. The circuit breaker anti-touch structure according to claim 3, characterized in that: The outer portion of the limiting block (18) is nested in the inner portion of the connecting buckle plate (20), and the inner side of the connecting rod (15) is rotatably connected to the middle portion of the traction plate (13).

6. The circuit breaker anti-touch structure according to claim 2, characterized in that: The magnetic attraction limiting plate (4) is magnetically connected to the magnetic attraction slot (3).

7. The circuit breaker anti-touch structure according to claim 2, characterized in that: Both sides of the bottom end of the external protective cover (2) are respectively correspondingly fitted on the top end of the limiting inclined plate (6).

8. The circuit breaker anti-touch structure according to claim 1, characterized in that: Both sides of the insulating protective cover (8) are provided with taking slots (9).

Citation Information

Patent Citations

  • Mistaken touch prevention structure of molded case circuit breaker

    CN220021010U