CN215988630U - Action structure of leakage protector - Google Patents
Action structure of leakage protector Download PDFInfo
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- CN215988630U CN215988630U CN202122283038.2U CN202122283038U CN215988630U CN 215988630 U CN215988630 U CN 215988630U CN 202122283038 U CN202122283038 U CN 202122283038U CN 215988630 U CN215988630 U CN 215988630U
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- contact piece
- movable contact
- handle
- lock catch
- protection device
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Abstract
An operation structure of a leakage protection device. The problem of the action mechanism structure of current air conditioner's earth-leakage protector is more complicated, the dismouting is comparatively inconvenient is mainly solved. The method is characterized in that: the shell is also internally provided with a fixed seat, a release electrically connected with the circuit board and a pressing plate arranged opposite to the movable contact piece, and the movable contact piece is provided with a first elastic piece for driving the movable contact piece to leave the static contact piece; the fixed seat is provided with a handle and a lock catch which can be arranged in a rotating way, the handle is connected with a jump buckle and comprises a switching-on position when the movable contact piece is in electric contact with the static contact piece and a switching-off position when the movable contact piece is in electric disconnection with the static contact piece; the trip buckle is used for applying force on the pressure plate when the handle is at the brake separating position and enabling the movable contact piece to be in contact with the static contact piece through the pressure plate; the lock catch is used for locking the jump buckle to enable the jump buckle to be in a state of the force application pressing plate; the release is used for driving the lock catch to leave the jump catch when the electricity leaks. The utility model provides an action structure of an electric leakage protection device, which has a simple action mechanism structure, is safe and reliable to use and has a long service life.
Description
Technical Field
The utility model relates to the field of electrical switches, in particular to an action structure of an electric leakage protection device.
Background
Along with the popularization of household appliances, people have more and more chances to be in electric contact with the household appliances, and the household appliances are in electric shock casualties caused by electric leakage. The leakage is the leakage of current in the circuit or the generation of current when the zero-fire wire is not connected, once the leakage occurs, the electric appliance is burnt if the leakage is light, and then people get an electric shock if the leakage is heavy, or a fire disaster is caused.
The action mechanism structure of the current leakage protector of the air conditioner is complex, and the disassembly and the assembly are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides an action structure of a leakage protector, which mainly solves the problems of complex action mechanism structure and inconvenient disassembly and assembly of the current leakage protector of an air conditioner.
The technical scheme of the utility model is as follows:
the action structure of the leakage protection device comprises a shell, wherein a movable contact piece and a static contact piece which are arranged oppositely are arranged in the shell, a fixed seat, a release which is electrically connected with a circuit board and a pressing plate which is arranged opposite to the movable contact piece are also arranged in the shell, and a first elastic piece which drives the movable contact piece and the static contact piece to be electrically disconnected is arranged on the movable contact piece;
the fixed seat is provided with a handle and a lock catch which can be arranged in a rotating way, the handle is connected with a jump buckle,
the handle comprises a switch-on position when the movable contact piece is electrically contacted with the static contact piece and a switch-off position when the movable contact piece is electrically disconnected with the static contact piece;
the tripping device is used for applying force on the pressure plate when the handle is at the switching-off position and enabling the movable contact piece to be in contact with the static contact piece through the pressure plate;
the lock catch is used for locking the jump buckle to enable the jump buckle to be in a state of a force application pressing plate;
the tripper is used for driving the lock catch to leave the jump buckle when electric leakage occurs.
The fixed seat is also provided with a second elastic piece for applying force to reset the lock catch and a third elastic piece for applying force to enable the handle to tend to turn to a brake-separating state.
The first elastic piece is a spring, and the second elastic piece and the third elastic piece are torsion springs.
The shell is internally provided with a sliding groove along the vertical direction, the pressing plate is in sliding fit with the sliding groove, the bottom of the pressing plate is provided with a fourth elastic piece, and the jump buckle is abutted against the upper end face of the pressing plate.
One side of the movable contact piece is rotatably connected with the inner wall of the shell, and the first elastic piece is arranged between the bottom of the other side of the movable contact piece and the inner wall of the shell.
The lock catch is provided with a U-shaped groove, the release comprises a release rod, and the release rod is partially arranged in the U-shaped groove and used for driving the lock catch to move.
The handle is connected with a connecting rod, one end of the connecting rod is provided with a shaft rod, and the shaft rod is hinged with the jump buckle.
And the fixed seat is provided with a track groove in sliding fit with the shaft lever.
The lock catch is provided with a boss, when the handle is at a switch-on position, one end of the jump buckle is pressed against the upper end face of the pressing plate, and the other end of the jump buckle is pressed against the upper end face of the boss.
The utility model has the beneficial effects that: the utility model provides an action structure of an electric leakage protection device, which has a simple action mechanism structure and is reliable to use.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention.
Fig. 3 is a partial perspective view of another embodiment of the present invention.
Fig. 4 is a partial perspective view of another embodiment of the present invention.
Fig. 5 is a partial perspective view of another embodiment of the present invention.
FIG. 6 is a schematic cross-sectional view of one embodiment of the present invention.
Fig. 7 is a partial perspective view of another embodiment of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, the action structure of the leakage protection device comprises a shell 1, wherein a movable contact piece 3 and a static contact piece 2 which are arranged oppositely are arranged in the shell, a fixed seat 41, a release 5 which is electrically connected with a circuit board 9 and a pressing plate 6 which is arranged opposite to the movable contact piece are also arranged in the shell, and a first elastic piece 31 which drives the movable contact piece and the static contact piece to be electrically disconnected is arranged on the movable contact piece; the fixed seat is provided with a handle 42 and a lock catch 43 which are arranged in a rotatable manner, the handle is connected with a jump buckle 44, and the handle comprises a switching-on position when the movable contact is electrically contacted with the static contact and a switching-off position when the movable contact is electrically disconnected with the static contact; the tripping device is used for applying force on the pressure plate when the handle is at the switching-off position and enabling the movable contact piece to be in contact with the static contact piece through the pressure plate; the lock catch is used for locking the jump buckle to enable the jump buckle to be in a state of a force application pressing plate; the tripper is used for driving the lock catch to leave the jump buckle when electric leakage occurs. When the switch is switched on, the tripping buckle presses the pressing plate downwards, the other end of the tripping buckle is fixed by the lock catch, the pressing plate is pressed on the movable contact piece, the movable contact piece overcomes the elasticity of the first elastic piece and is contacted with the static contact piece, when the switch is switched off (electricity leakage), the release drives the lock catch to unlock, the pressing plate resets under the action of the elastic piece to separate the static contact piece and the movable contact piece, and the elastic piece can be the first elastic piece or another elastic piece is arranged on the pressing plate and used for resetting the pressing plate.
In the present invention, as shown in the figure, the fixing base is further provided with a second elastic member 431 for applying a force to reset the lock catch and a third elastic member 421 for applying a force to make the handle tend to turn to the opening state. The position that the hasp got back to fixed jump under the effect of second elasticity is equipped with for next unblock, and this third elastic component is towards the direction application of force of handle separating brake state, plays the effect of energy storage, and is more rapid when separating brake.
In the present invention, as shown in the drawings, the first elastic member is a spring, and the second elastic member and the third elastic member are torsion springs.
In the utility model, as shown in the figure, a sliding groove 11 is arranged in the shell along the vertical direction, the pressing plate is in sliding fit with the sliding groove, and the jump buckle is pressed against the upper end surface of the pressing plate. As an alternative, an elastic return element (which may be a spring) may also be provided at the bottom of the pressure plate.
In the utility model, as shown in the figure, one side of the movable contact piece is rotatably connected with the inner wall of the shell, and the first elastic piece is arranged between the bottom of the other side of the movable contact piece and the inner wall of the shell. The movable contact piece may be provided with a rotating member 30, etc. at both sides thereof to realize the rotation.
In the present invention, as shown in the figure, the lock catch is provided with a U-shaped groove 432, the release includes a release rod 51, and the release rod is partially disposed in the U-shaped groove for driving the lock catch to move. The trip bar is arranged in the U-shaped groove, and the lug boss is arranged at the top end of the trip bar, so that the whole action is more reliable.
In the utility model, as shown in the figure, the handle is connected with a connecting rod 7, one end of the connecting rod is provided with a shaft rod 71, and the shaft rod is hinged with the jump buckle. When the handle acts, the connecting rod drives the shaft lever to act, and the jump buckle on the shaft lever acts along with the shaft lever.
In the present invention, as shown in the figure, the fixing base is provided with a track slot 411 in sliding fit with the shaft rod. The operation is more stable and reliable when the whole action is carried out.
In the utility model, as shown in the figure, a boss 433 is arranged on the lock catch, when the handle is at the switch-on position, one end of the jump buckle is pressed against the upper end face of the pressing plate, and the other end of the jump buckle is pressed against the upper end face of the boss. One end of the jump buckle is pressed on the boss, the other end of the jump buckle is pressed on the pressing plate to realize the balance of force, when the lock catch is driven by the release to pull backwards, one end of the jump buckle loses the balance, the lock catch is unlocked under the action of the elastic piece, and the movable contact piece is separated from the static contact piece.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (9)
1. Earth leakage protection device's action structure, including casing (1), be equipped with relative movable contact (3) and static contact (2) that set up in the casing, its characterized in that: a fixed seat (41), a release (5) electrically connected with a circuit board (9) and a pressing plate (6) arranged opposite to the movable contact piece are also arranged in the shell, and a first elastic piece (31) for driving the movable contact piece and the static contact piece to be electrically disconnected is arranged on the movable contact piece;
a handle (42) and a lock catch (43) which can be arranged in a rotating way are arranged on the fixed seat, a jump buckle (44) is connected on the handle,
the handle comprises a switch-on position when the movable contact piece is electrically contacted with the static contact piece and a switch-off position when the movable contact piece is electrically disconnected with the static contact piece;
the tripping device is used for applying force on the pressure plate when the handle is at the switching-off position and enabling the movable contact piece to be in contact with the static contact piece through the pressure plate;
the lock catch is used for locking the jump buckle to enable the jump buckle to be in a state of a force application pressing plate;
the tripper is used for driving the lock catch to leave the jump buckle when electric leakage occurs.
2. An operation structure of a leakage protection device according to claim 1, characterized in that: the fixed seat is also provided with a second elastic piece (431) for applying force to reset the lock catch and a third elastic piece (421) for applying force to enable the handle to tend to turn to a brake-separating state.
3. An operation structure of a leakage protection device according to claim 2, wherein: the first elastic piece is a spring, and the second elastic piece and the third elastic piece are torsion springs.
4. An operation structure of a leakage protection device according to claim 1, characterized in that: a sliding groove (11) is formed in the shell in the vertical direction, the pressing plate is in sliding fit with the sliding groove, and the jump buckle abuts against the upper end face of the pressing plate.
5. An operation structure of a leakage protection device according to claim 1, characterized in that: one side of the movable contact piece is rotatably connected with the inner wall of the shell, and the first elastic piece is arranged between the bottom of the other side of the movable contact piece and the inner wall of the shell.
6. An operation structure of a leakage protection device according to claim 1, characterized in that: the lock catch is provided with a U-shaped groove (432), the release comprises a release rod (51), and the release rod is partially arranged in the U-shaped groove and used for driving the lock catch to move.
7. An operation structure of a leakage protection device according to claim 1, characterized in that: the handle is connected with a connecting rod (7), one end of the connecting rod is provided with a shaft lever (71), and the shaft lever is hinged with the jump buckle.
8. An operation structure of a leakage protection device according to claim 2, wherein: the fixed seat is provided with a track groove (411) which is in sliding fit with the shaft lever.
9. An operation structure of a leakage protection device according to claim 1, characterized in that: the lock catch is provided with a boss (433), when the handle is located at a switch-on position, one end of the jump buckle is pressed against the upper end face of the pressing plate, and the other end of the jump buckle is pressed against the upper end face of the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283038.2U CN215988630U (en) | 2021-09-22 | 2021-09-22 | Action structure of leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283038.2U CN215988630U (en) | 2021-09-22 | 2021-09-22 | Action structure of leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215988630U true CN215988630U (en) | 2022-03-08 |
Family
ID=80463975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283038.2U Active CN215988630U (en) | 2021-09-22 | 2021-09-22 | Action structure of leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215988630U (en) |
-
2021
- 2021-09-22 CN CN202122283038.2U patent/CN215988630U/en active Active
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