CN221101976U - Switching-on/off indicating mechanism of leakage breaker - Google Patents
Switching-on/off indicating mechanism of leakage breaker Download PDFInfo
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- CN221101976U CN221101976U CN202323138089.1U CN202323138089U CN221101976U CN 221101976 U CN221101976 U CN 221101976U CN 202323138089 U CN202323138089 U CN 202323138089U CN 221101976 U CN221101976 U CN 221101976U
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- switching
- divide
- indicating
- shut brake
- matched
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Abstract
The utility model relates to a switching-on/off indicating mechanism of an electric leakage breaker, which comprises a push rod, a switching-on/off indicating piece, a reset piece and a torsion spring, wherein the push rod is rotatably arranged in a shell and is in linkage fit with a moving contact support, the switching-on/off indicating piece is rotatably arranged in the shell, the reset piece is rotatably arranged in the shell at one side of the corresponding switching-on/off indicating piece, the torsion spring is arranged between the switching-on/off indicating piece and the reset piece, a switching-on/off indicating plate is arranged at one end of the switching-on indicating piece, which corresponds to an indicating hole of the shell, a switching-on indicating mark and a switching-off indicating mark are respectively arranged on the switching-on/off indicating plate, one end of the push rod is provided with an arc surface protruding part matched with the switching-on/off indicating piece, the switching-on/off indicating piece is provided with an arc surface groove matched with the arc surface protruding part, and the arc surface protruding part acts along with the push rod and is in the arc surface groove in a collision manner, and the switching-on/off indicating piece and the push rod are formed. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and reliable opening and closing indication.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a switching-on/off indicating mechanism of an electric leakage circuit breaker.
Background
At present, the miniature circuit breaker is also called a miniature circuit breaker and is suitable for overload and short-circuit protection of a line with the rated voltage of 230/400V of alternating current (50/60) Hz and the rated current not exceeding 125A, and can also be used as the infrequent operation conversion of the line under normal conditions. The miniature circuit breaker is mainly used in various places such as industry, business, high-rise and civil houses. The miniature leakage circuit breaker is a switch capable of automatically operating when the leakage current in the circuit exceeds a preset value, and can protect the safety of personnel and electric appliances. The structural design of the switching-on/off indicating mechanism of the existing small-sized electric leakage circuit breaker is complex, the number of parts is large, and the switching-on/off indication is unreliable. Therefore, the opening and closing indicating mechanism of the small-sized residual current circuit breaker has the defects of unreliable performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the switching-on/off indicating mechanism of the residual current circuit breaker, which has the advantages of simple structure, stable and reliable performance, convenience in assembly and reliable switching-on/off indication.
In order to achieve the above purpose, the utility model adopts an opening and closing indicating mechanism of an electric leakage breaker, which comprises a push rod, an opening and closing indicating piece and a reset piece, wherein the push rod is rotatably arranged in a shell and is in linkage fit with a moving contact support, the opening and closing indicating piece is rotatably arranged in the shell, the reset piece is rotatably arranged in the shell at one side of the corresponding opening and closing indicating piece, a torsion spring is arranged between the opening and closing indicating piece and the reset piece, an opening and closing indicating plate is arranged at one end of the opening and closing indicating piece, an opening and closing indicating mark and a closing indicating mark are respectively arranged at the indicating hole of the corresponding shell, an arc surface protruding part matched with the opening and closing indicating piece is arranged at one end of the push rod, an arc surface groove matched with the arc surface protruding part is arranged on the opening and closing indicating piece, and the arc surface protruding part acts along with the push rod and is in the arc surface groove in a collision mode, and the opening and closing indicating piece and the push rod are in linkage fit.
The structure has the beneficial effects that the cambered surface protruding part of the pushing rod is abutted in the cambered surface groove of the opening and closing indicating piece, the cambered surface protruding part is abutted with the cambered surface groove, the clamping stagnation and the clamping phenomenon are not easy to occur, the pushing rod and the opening and closing indicating piece are more reliably driven, and accordingly the reliability of opening and closing indication of the opening and closing indicating mechanism can be effectively improved. When the switching-on/switching-off indicating device works, the movable contact support drives the pushing rod to rotate, the cambered surface protruding part of the pushing rod is abutted in the cambered surface groove of the switching-on/switching-off indicating piece, and the pushing rod can drive the switching-on/switching-off indicating piece to execute switching-on/switching-off indicating action, so that switching-on/switching-off indication of the switching-on/switching-off mechanism is realized. Therefore, the switching-on/off indicating mechanism of the residual current circuit breaker has the advantages of simple structure, stable and reliable performance, convenience in assembly and reliable switching-on/off indication.
Particularly, the other end of the push rod is provided with a driving arm matched with a moving contact support, the moving contact support is provided with a lug matched with the driving arm, and the lug moves along with the moving contact support and is abutted against the driving arm, and the push rod is in linkage fit with the lug. The movable contact support drives the pushing rod to act through the driving arm, so that the movable contact support and the pushing rod can be more reliably driven.
Particularly, the casing in correspond reset piece department and be provided with the locating lever, reset piece on be provided with locating lever matched with positioning sleeve, the positioning sleeve pipe dress is on the locating lever, and constitute reset piece and the swivelling joint cooperation of locating lever, the positioning sleeve on be provided with the constant head tank with torsional spring one end looks block. The reset piece is arranged on the positioning rod in the shell, so that the reset piece and the shell are convenient to assemble, and the assembly efficiency is higher.
Particularly, the casing in correspond divide-shut brake indicator department be provided with the locating shaft, divide-shut brake indicator on be provided with locating shaft matched with locating hole, the locating shaft alternate in the locating hole, and constitute the normal running fit of divide-shut brake indicator and locating shaft, divide-shut brake indicator on correspond locating hole department and be provided with the location boss, the torsional spring suit on the location boss, the divide-shut brake indicator on be provided with the spacing groove with torsional spring other end looks block. The opening and closing indicating piece is clamped on the positioning shaft of the shell, so that the opening and closing indicating piece and the shell are convenient to assemble, the assembling efficiency is higher, the opening and closing indicating piece can be guaranteed to reliably rotate in the shell, and the opening and closing indicating is more reliable.
Particularly, the reset piece is provided with a tripping lug matched with the tripping buckle, and the tripping lug is provided with a driving plane matched with the tripping buckle. When the residual current circuit breaker trips, the trip buckle is abutted against the trip lug of the reset piece, the trip drives the reset piece to act, and the reset piece pushes the opening and closing indicating piece to act, so that the opening and closing indication of the opening and closing mechanism is realized.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a front view of an embodiment of the present utility model.
Fig. 3 is an exploded view of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present utility model is a switching indicating mechanism of an electric leakage breaker, including a push rod 12 rotatably disposed in a housing 10 and in linkage with a moving contact support 11, a switching indicating member 13 rotatably disposed in the housing 10, a reset member 14 rotatably disposed in the housing 10 corresponding to one side of the switching indicating member 13, and a torsion spring 15 disposed between the switching indicating member 13 and the reset member 14, wherein a switching indicating plate 130 is disposed at one end of the switching indicating member 13 corresponding to an indicating hole 100 of the housing 10, a switching indicating mark 131 and a switching indicating mark 132 are disposed on the switching indicating plate 130, a cambered surface protrusion 121 matched with the switching indicating member 13 is disposed at one end of the push rod 12, a cambered surface groove 133 matched with the cambered surface protrusion 121 is disposed on the switching indicating member 13, and the cambered surface protrusion 121 acts along with the push rod 12 and is abutted in the cambered surface groove 133, and forms linkage fit between the switching indicating member 13 and the push rod 12. The other end of the push rod 12 is provided with a driving arm 122 matched with the moving contact support 11, the moving contact support 11 is provided with a bump 111 matched with the driving arm 122, the bump 111 acts with the moving contact support 11 and is abutted against the driving arm 122, and the push rod 12 is in linkage fit with the bump 111. The movable contact support drives the pushing rod to act through the driving arm, so that the movable contact support and the pushing rod can be more reliably driven. The casing 10 in correspond to the reset piece 14 department be provided with the locating lever 101, reset piece 14 on be provided with locating lever 101 matched with positioning sleeve 141, the locating sleeve 141 suit is on the locating lever 101, and constitute reset piece 14 and the rotation connection cooperation of locating lever 101, the locating sleeve 141 on be provided with the constant head tank 142 with torsional spring 15 one end looks block. The reset piece is arranged on the positioning rod in the shell, so that the reset piece and the shell are convenient to assemble, and the assembly efficiency is higher.
As shown in fig. 1 and 3, a positioning shaft 102 is disposed in the casing 10 corresponding to the opening and closing indicator 13, a positioning hole 134 matched with the positioning shaft 102 is disposed on the opening and closing indicator 13, the positioning shaft 102 is inserted in the positioning hole 134, the opening and closing indicator 13 is matched with the positioning shaft 102 in a rotating connection manner, a positioning boss 135 is disposed on the opening and closing indicator 13 corresponding to the positioning hole 134, the torsion spring 15 is sleeved on the positioning boss 135, and a limiting groove 136 engaged with the other end of the torsion spring 15 is disposed on the opening and closing indicator 130. The opening and closing indicating piece is clamped on the positioning shaft of the shell, so that the opening and closing indicating piece and the shell are convenient to assemble, the assembling efficiency is higher, the opening and closing indicating piece can be guaranteed to reliably rotate in the shell, and the opening and closing indicating is more reliable. The reset piece 14 is provided with a tripping lug 143 matched with the tripping buckle 16, and the tripping lug 143 is provided with a driving plane 144 matched with the tripping buckle 16. When the residual current circuit breaker trips, the trip buckle is abutted against the trip lug of the reset piece, the trip drives the reset piece to act, and the reset piece pushes the opening and closing indicating piece to act, so that the opening and closing indication of the opening and closing mechanism is realized.
The cambered surface bulge of the push rod is abutted in the cambered surface groove of the opening and closing indicating piece, the cambered surface bulge is abutted with the cambered surface groove, the clamping stagnation and the clamping phenomenon are not easy to occur, and the push rod is more reliable in transmission with the opening and closing indicating piece, so that the opening and closing indicating reliability of the opening and closing indicating mechanism can be effectively improved. When the switching-on/switching-off indicating device works, the movable contact support drives the pushing rod to rotate, the cambered surface protruding part of the pushing rod is abutted in the cambered surface groove of the switching-on/switching-off indicating piece, and the pushing rod can drive the switching-on/switching-off indicating piece to execute switching-on/switching-off indicating action, so that switching-on/switching-off indication of the switching-on/switching-off mechanism is realized. Therefore, the switching-on/off indicating mechanism of the residual current circuit breaker has the advantages of simple structure, stable and reliable performance, convenience in assembly and reliable switching-on/off indication.
Claims (5)
1. The utility model provides a divide-shut brake indicating mechanism of electric leakage circuit breaker which characterized in that: including rotating the setting in the casing and with moving contact support linkage complex catch bar, rotate the setting in the casing divide-shut brake indicator, correspond divide-shut brake indicator one side department rotate the setting in the casing reset piece, set up the torsional spring between divide-shut brake indicator and reset piece, divide-shut brake indicator one end correspond the instruction hole department of casing and be provided with divide-shut brake indicator, switch on indicator on the divide-shut brake indicator respectively, catch bar one end have with divide-shut brake indicator matched with cambered surface bellying, divide-shut brake indicator on have with cambered surface bellying matched with cambered surface recess, cambered surface bellying move and contradict in the cambered surface recess along with the catch bar, and constitute the linkage cooperation of divide-shut brake indicator and catch bar.
2. The opening and closing indicating mechanism of an earth leakage breaker according to claim 1, wherein: the other end of the pushing rod is provided with a driving arm matched with the moving contact support, the moving contact support is provided with a bump matched with the driving arm, and the bump acts with the moving contact support and is abutted against the driving arm, and the pushing rod is in linkage fit with the bump.
3. The opening/closing indicating mechanism of an earth leakage breaker according to claim 1 or 2, characterized in that: the casing in correspond reset piece department and be provided with the locating lever, reset piece on be provided with locating lever matched with positioning sleeve, the positioning sleeve pipe suit is on the locating lever, and constitute reset piece and the swivelling joint cooperation of locating lever, the positioning sleeve on be provided with the constant head tank with torsional spring one end looks block.
4. The opening/closing indicating mechanism of an earth leakage breaker according to claim 1 or 2, characterized in that: the casing in correspond divide-shut brake indicator department be provided with the locating shaft, divide-shut brake indicator on be provided with locating shaft matched with locating hole, the locating shaft alternate in the locating hole, and constitute the swivelling joint cooperation of divide-shut brake indicator and locating shaft, divide-shut brake indicator on correspond locating hole department and be provided with the location boss, the torsional spring suit on the location boss, the divide-shut brake indicator on be provided with the spacing groove with torsional spring other end looks block.
5. The opening/closing indicating mechanism of an earth leakage breaker according to claim 1 or 2, characterized in that: the reset piece is provided with a tripping lug matched with the tripping button, and the tripping lug is provided with a driving plane matched with the tripping button.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101976U true CN221101976U (en) | 2024-06-07 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |