Mistaken touch prevention protection structure of circuit breaker

Through the design of the circuit breaker to prevent the protection structure, the cooperation of the sliding rod, spring and rotating blocks is used to prevent the misunderstanding of the circuit breaker when the chassis car is not in the working position, solving the problem of the risk of the existing circuit breaker's mistakes, and improve the improvement of the risk of the existing circuit breaker. Safety and convenience.

CN222421842UActive Publication Date: 2025-01-28FUJIAN HUAKAI ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202420391581.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-01-28
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The existing circuit breaker can still be closed when the chassis car is not in the working position, which increases the risk of mis-closing and affects safety and convenience.

Method used

A kind of circuit breaker anti -tactile protection structure is designed. By using the cooperation of sliding rods, springs and rotating blocks during the motion of the chassis car, the U -shaped slot card of the cross -linking rod can The gates can not move, thereby preventing mistakes.

Benefits of technology

Effectively prevents the accidental operation of the circuit breaker when the chassis is not at the working position, and improves safety and use convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-voltage circuit breakers, in particular to a circuit breaker mistaken touch prevention protection structure which comprises a base, the top of the base is fixedly connected with the bottom of a rotating piece, the inner wall of the rotating piece is slidably connected with the outer wall of one end of the back face of a springing piece, and the outer wall of one end of the front face of the springing piece is rotatably connected with the inner wall of a connecting piece. The inner wall of the connecting piece movably abuts against the outer wall of the closing piece, one side of the closing piece movably abuts against one side of the base, when the chassis is pulled out, the chassis drives the sliding rod to slide in the sliding groove, the sliding rod slides to the left side of the sliding groove, and the sliding rod pushes the rotating block to rotate anticlockwise under the acting force of the spring; the rotating block pushes the transverse connecting rod to tilt upwards through the vertical connecting rod, so that the U-shaped groove of the transverse connecting rod is just clamped on the elastic pin, the elastic pin is fixed, the closing pressing plate cannot act, the closing pressing plate cannot be closed with the closing plate, the effect of preventing mistaken closing in the movement process of the chassis truck is achieved, and convenience is brought to use of people.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage circuit breakers, in particular to a circuit breaker anti-mis-touch protection structure. Background Art

[0002] A circuit breaker is a switching device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers can be used to distribute electrical energy, start asynchronous motors infrequently, and protect power lines and motors. They can automatically cut off the circuit when they are seriously overloaded or have faults such as short circuit and undervoltage. Its function is equivalent to a combination of a fuse switch and an over- and under-temperature relay.

[0003] At present, most of the circuit breakers on the market can still be closed when the chassis vehicle is not in the working position, which increases the danger of circuit breaker operation due to the accidental closing of the circuit breaker, makes people's safety unable to be guaranteed, and brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit breaker anti-accidental touch protection structure to solve the problem of circuit breaker accidental closing proposed in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: a circuit breaker anti-accidental touch protection structure, including a base, the top of the base is fixedly connected to the bottom of the rotating member, the inner wall of the rotating member is slidably connected to the outer wall of the back end of the elastic member, and the outer wall of the front end of the elastic member is rotatably connected to the inner wall of the connecting member.

[0005] The inner wall of the connecting piece is movably abutted against the outer wall of the closing piece, and one side of the closing piece is movably abutted against one side of the base.

[0006] Preferably, the base includes an outer shell, a chassis, a support block and a closing plate, the inner top wall of the outer shell is slidably connected to the bottom of the chassis, and the inner top wall of the outer shell is fixedly connected to the bottom of the support block, and one side of the inner wall of the outer shell is fixedly connected to one side of the closing plate.

[0007] Preferably, the rotating member consists of a support rod, a rotating rod and a rotating block, the bottom of the support rod is fixedly connected to the top of the support block, and the inner wall of the support rod is rotatably connected to the outer wall of the rotating rod, one end of the front side of the rotating rod is fixedly connected to the back side of the rotating block, and a sliding groove is provided on the front side of the rotating block.

[0008] Preferably, the elastic member includes a sliding rod, a spring and a fixed rod, the outer wall of one end of the back side of the sliding rod is slidably connected to the inner wall of the sliding groove, and the outer wall of the sliding rod is rotatably sleeved with the inner wall of the bottom of the spring, the inner wall of the top of the spring is rotatably sleeved with the outer wall of the fixed rod, and one end of the back side of the fixed rod is fixedly connected to the front side of the support rod.

[0009] Preferably, the connecting member consists of a vertical connecting rod, a transverse connecting rod and a support column, the connecting member consists of a vertical connecting rod, a transverse connecting rod and a support column, the inner wall of the bottom of the vertical connecting rod is rotatably connected to the outer wall of the sliding rod, and the outer wall of the top of the vertical connecting rod is rotatably connected to the inner wall of the transverse connecting rod, the inner wall on one side of the transverse connecting rod is rotatably connected to the outer wall of the top of the support column, and the bottom of the support column is fixedly connected to the top of the support block, and a U-shaped groove is provided on the top of the transverse connecting rod.

[0010] Preferably, the closing member includes a closing half-shaft, a closing pressure plate and an elastic pin, one end of the back side of the closing half-shaft is fixedly connected to the front side of the inner wall of the outer shell, and the outer wall of the front end of the closing half-shaft is rotatably connected to the inner wall of the closing pressure plate, the front side of the closing pressure plate is fixedly connected to the back side of the elastic pin, and the outer wall of the elastic pin is movably abutted against the inner wall of the U-shaped groove, and one side of the closing pressure plate is movably abutted against one side of the closing plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses that when the chassis vehicle is pulled out, the chassis vehicle drives the sliding rod to slide in the sliding groove, so that the sliding rod slides to the left side of the sliding groove, and the sliding rod pushes the rotating block to rotate counterclockwise under the action of the spring, and the rotating block pushes the transverse connecting rod to tilt upward through the vertical connecting rod, so that the U-shaped groove of the transverse connecting rod is just stuck on the elastic pin to fix the elastic pin so that the closing pressure plate cannot move, and the closing pressure plate cannot be closed with the closing plate, which plays a role in preventing accidental closing during the movement of the chassis vehicle and brings convenience to people's use.

[0013] When the cam is in the working position, the cam drives the sliding rod to slide in the sliding groove, so that the sliding rod slides to the right side of the sliding groove. The sliding rod pushes the rotating block to rotate clockwise under the action of the spring. The rotating block pushes the horizontal connecting rod downward through the vertical connecting rod to make the U-shaped slot position leave the elastic pin, so that the closing pressure plate and the closing plate can be closed normally, thereby realizing the automatic resetting of the horizontal connecting rod and bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 It is an exploded view of the rotating part and the elastic part in the utility model.

[0018] In the figure: 1. base; 101. shell; 102. chassis; 103. support block; 104. closing plate; 2. rotating member; 201. support rod; 202. rotating rod; 203. rotating block; 3. elastic member; 301. sliding rod; 302. spring; 303. fixed rod; 4. connecting member; 401. vertical connecting rod; 402. horizontal connecting rod; 403. supporting column; 5. closing member; 501. closing half shaft; 502. closing pressure plate; 503. elastic pin. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a circuit breaker anti-mistouch protection structure, including a base 1, the top of the base 1 is fixedly connected to the bottom of a rotating member 2, the inner wall of the rotating member 2 is slidably connected to the outer wall of the back end of the elastic member 3, and the outer wall of the front end of the elastic member 3 is rotatably connected to the inner wall of the connecting member 4.

[0021] The inner wall of the connecting member 4 movably abuts against the outer wall of the closing member 5 , and one side of the closing member 5 movably abuts against one side of the base 1 .

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the base 1 includes a shell 101, a chassis 102, a support block 103 and a closing plate 104. The inner top wall of the shell 101 is slidably connected to the bottom of the chassis 102, and the inner top wall of the shell 101 is fixedly connected to the bottom of the support block 103. One side of the inner wall of the shell 101 is fixedly connected to one side of the closing plate 104. The shell 101 makes the chassis 102 more stable when sliding.

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the rotating member 2 is composed of a support rod 201, a rotating rod 202 and a rotating block 203. The bottom of the support rod 201 is fixedly connected to the top of the support block 103, and the inner wall of the support rod 201 is rotatably connected to the outer wall of the rotating rod 202. One end of the front side of the rotating rod 202 is fixedly connected to the back side of the rotating block 203, and a sliding groove is provided on the front side of the rotating block 203, so that the support rod 201 provides support for the rotating rod 202.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the elastic member 3 includes a sliding rod 301, a spring 302 and a fixed rod 303. The outer wall of one end of the back side of the sliding rod 301 is slidably connected to the inner wall of the sliding groove, and the outer wall of the sliding rod 301 is rotatably sleeved with the inner wall of the bottom of the spring 302. The inner wall of the top of the spring 302 is rotatably sleeved with the outer wall of the fixed rod 303, and one end of the back side of the fixed rod 303 is fixedly connected to the front side of the support rod 201. When the chassis 102 is pulled out, the chassis 102 drives the sliding rod 301 to slide in the sliding groove, so that the sliding rod 301 slides to the left side of the sliding groove, and the sliding rod 301 pushes the rotating block 203 to rotate counterclockwise under the action of the spring 302.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the connecting member 4 is composed of a vertical connecting rod 401, a horizontal connecting rod 402 and a support column 403. The connecting member 4 is composed of a vertical connecting rod 401, a horizontal connecting rod 402 and a support column 403. The inner wall of the bottom of the vertical connecting rod 401 is rotatably connected to the outer wall of the sliding rod 301, and the outer wall of the top of the vertical connecting rod 401 is rotatably connected to the inner wall of the horizontal connecting rod 402. The inner wall on one side of the horizontal connecting rod 402 is rotatably connected to the outer wall of the top of the support column 403, and the bottom of the support column 403 is fixedly connected to the top of the support block 103. A U-shaped groove is provided on the top of the horizontal connecting rod 402, and the rotating block 203 pushes the horizontal connecting rod 402 to tilt upward through the vertical connecting rod 401.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the closing member 5 includes a closing half-shaft 501, a closing pressure plate 502 and an elastic pin 503. One end of the back side of the closing half-shaft 501 is fixedly connected to the front side of the inner wall of the housing 101, and the outer wall of the front end of the closing half-shaft 501 is rotatably connected to the inner wall of the closing pressure plate 502. The front side of the closing pressure plate 502 is fixedly connected to the back side of the elastic pin 503, and the outer wall of the elastic pin 503 is movably abutted against the inner wall of the U-shaped groove. One side of the closing pressure plate 502 is movably abutted against one side of the closing plate 104, so that the U-shaped groove of the horizontal connecting rod 402 is just stuck on the elastic pin 503 to fix the elastic pin 503 so that the closing pressure plate 502 cannot move, and the closing pressure plate 502 cannot be closed with the closing plate 104, which plays a role in preventing accidental closing during the movement of the chassis 102.

[0027] The use method and advantages of the utility model: When the circuit breaker anti-mistaken touch protection structure is working, the working process is as follows:

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when the chassis 102 is pulled out, the chassis 102 drives the sliding rod 301 to slide in the sliding groove, so that the sliding rod 301 slides to the left side of the sliding groove, and the sliding rod 301 pushes the rotating block 203 to rotate counterclockwise under the force of the spring 302, and the rotating block 203 pushes the horizontal connecting rod 402 to tilt upward through the vertical connecting rod 401, so that the U-shaped groove of the horizontal connecting rod 402 is just stuck on the elastic pin 503, and the elastic pin 503 is fixed, so that the closing pressure plate 502 cannot move, and the closing pressure plate 502 cannot move with the closing plate 104. The chassis 102 is used to close the switch in the process of movement, which plays a role in preventing accidental closing during the movement of the chassis 102. When the chassis 102 moves to the working position, the chassis 102 drives the sliding rod 301 to slide in the sliding groove, so that the sliding rod 301 slides to the right side of the sliding groove. The sliding rod 301 pushes the rotating block 203 to rotate clockwise under the force of the spring 302. The rotating block 203 pushes the horizontal connecting rod 402 downward through the vertical connecting rod 401 to make the U-shaped slot position leave the elastic pin 503, so that the closing pressure plate 502 and the closing plate 104 can be closed normally.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A circuit breaker anti-misoperation protection structure, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to the bottom of the rotating member (2), the inner wall of the rotating member (2) is slidably connected to the outer wall of the back end of the elastic member (3), and the outer wall of the front end of the elastic member (3) is rotatably connected to the inner wall of the connecting member (4); The inner wall of the connecting member (4) is movably in contact with the outer wall of the closing member (5), and one side of the closing member (5) is movably in contact with one side of the base (1).

2. A circuit breaker anti-misoperation protection structure according to claim 1, characterized in that: The base (1) comprises an outer shell (101), a chassis (102), a support block (103) and a closing plate (104); the inner top wall of the outer shell (101) is slidably connected to the bottom of the chassis (102), the inner top wall of the outer shell (101) is fixedly connected to the bottom of the support block (103), and one side of the inner wall of the outer shell (101) is fixedly connected to one side of the closing plate (104).

3. A circuit breaker anti-accidental touch protection structure according to claim 2, characterized in that: The rotating member (2) is composed of a support rod (201), a rotating rod (202) and a rotating block (203); the bottom of the support rod (201) is fixedly connected to the top of the support block (103), and the inner wall of the support rod (201) is rotatably connected to the outer wall of the rotating rod (202); one end of the front side of the rotating rod (202) is fixedly connected to the back side of the rotating block (203), and a sliding groove is provided on the front side of the rotating block (203).

4. A circuit breaker anti-misoperation protection structure according to claim 3, characterized in that: The elastic member (3) comprises a sliding rod (301), a spring (302) and a fixed rod (303); the outer wall of one end of the back side of the sliding rod (301) is slidably connected to the inner wall of the sliding groove, and the outer wall of the sliding rod (301) is rotatably sleeved with the inner wall of the bottom of the spring (302); the inner wall of the top of the spring (302) is rotatably sleeved with the outer wall of the fixed rod (303), and one end of the back side of the fixed rod (303) is fixedly connected to the front side of the support rod (201).

5. A circuit breaker anti-misoperation protection structure according to claim 4, characterized in that: The connecting member (4) is composed of a vertical connecting rod (401), a horizontal connecting rod (402) and a supporting column (403); the inner wall at the bottom of the vertical connecting rod (401) is rotatably connected to the outer wall of the sliding rod (301), and the outer wall at the top of the vertical connecting rod (401) is rotatably connected to the inner wall of the horizontal connecting rod (402); the inner wall on one side of the horizontal connecting rod (402) is rotatably connected to the outer wall at the top of the supporting column (403), and the bottom of the supporting column (403) is fixedly connected to the top of the supporting block (103); and a U-shaped groove is provided on the top of the horizontal connecting rod (402).

6. A circuit breaker anti-misoperation protection structure according to claim 5, characterized in that: The closing member (5) comprises a closing half-shaft (501), a closing pressure plate (502) and an elastic pin (503); one end of the back side of the closing half-shaft (501) is fixedly connected to the front side of the inner wall of the housing (101); the outer wall of the front end of the closing half-shaft (501) is rotatably connected to the inner wall of the closing pressure plate (502); the front side of the closing pressure plate (502) is fixedly connected to the back side of the elastic pin (503); the outer wall of the elastic pin (503) is movably abutted against the inner wall of the U-shaped groove; and one side of the closing pressure plate (502) is movably abutted against one side of the closing plate (104).