CN216749785U - Transmission mechanism of residual current circuit breaker - Google Patents
Transmission mechanism of residual current circuit breaker Download PDFInfo
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- CN216749785U CN216749785U CN202220077079.8U CN202220077079U CN216749785U CN 216749785 U CN216749785 U CN 216749785U CN 202220077079 U CN202220077079 U CN 202220077079U CN 216749785 U CN216749785 U CN 216749785U
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- line pole
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Abstract
The utility model discloses a transmission mechanism of a leakage circuit breaker, which comprises a shell with a phase line pole chamber and a neutral line pole chamber, and a phase line pole operating mechanism and a neutral line pole operating mechanism which are respectively arranged in the phase line pole chamber and the neutral line pole chamber, wherein the neutral line pole operating mechanism comprises a driving rod, a moving contact tension spring and a fixed contact, one end of the driving rod is coupled with the phase line pole operating mechanism, the other end of the driving rod is hinged with the moving contact, the moving contact is rotatably arranged on the inner wall of the neutral line pole chamber, the moving contact is connected with the inner wall of the neutral line pole chamber through the moving contact tension spring, an avoidance hole for avoiding the action stroke of the driving rod is arranged on the inner wall of the neutral line pole chamber, one end of the driving rod coupled with the phase line pole operating mechanism is arranged in the avoidance hole, compared with the prior art, the utility model has the advantages of simple structure, easy assembly, low processing precision requirement, reliable action, good economy and the like.
Description
Technical Field
The utility model particularly relates to a transmission mechanism of a leakage circuit breaker.
Background
The leakage circuit breaker with the non-openable neutral line can only disconnect the phase line during leakage protection and overload protection, and the neutral line is connected with the main circuit, so that the neutral line can be electrified under certain special conditions, and the safety of personnel can be threatened. Phase line and neutral line type leakage circuit breakers with openable and closable neutral line poles are widely applied to places with household or similar purposes, such as families, office buildings and the like. Because the neutral line can be opened and closed, the circuit loop and the neutral line loop of the residual current circuit breaker are disconnected during the leakage protection and the overload protection, and are completely disconnected with the main circuit, so that the safety of personnel and electric equipment is ensured.
Chinese patent CN101989518B discloses a phase line and neutral line residual current operated circuit breaker, which uses a support disposed on a contact arm of a neutral pole moving contact to spatially position the contact arm, and uses a mechanical coupling form with the driving rod and the contact arm to balance the transmission of the force of the driving rod to the contact arm; the driving rod is limited through the stopping block, so that the action line of the driving rod is always kept in an offset state in the transmission process of the contact arm force, and dead points are prevented from being formed. The linear electrode operating mechanism disclosed by the patent has the defects of complex structure, inconvenience in assembly and low reliability.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a cigarette lighter.
In order to achieve the purpose, the utility model provides the following technical scheme:
a transmission mechanism of an electric leakage circuit breaker comprises a shell with a phase line pole chamber and a neutral line pole chamber, and a phase line pole operating mechanism and a neutral line pole operating mechanism which are respectively arranged in the phase line pole chamber and the neutral line pole chamber, the neutral line pole operating mechanism comprises a driving rod, a moving contact tension spring and a fixed contact, one end of the driving rod is coupled with the phase line pole operating mechanism, the other end of the driving rod is hinged with a moving contact which is rotatably arranged in the neutral line pole cavity, the moving contact is clamped by two inner walls of the neutral pole chamber and is connected with the inner wall of the neutral pole chamber through a moving contact tension spring, be equipped with on the inner wall of neutral line utmost point cavity and be used for dodging the hole of dodging of actuating lever action stroke, the one end of actuating lever and phase line utmost point operating device coupling set up in dodge downtheholely.
One end of the driving rod is provided with a hinged shaft hinged with the moving contact, and the hinged shaft is integrally formed with the driving rod.
A step is arranged between the hinged shaft and the driving rod, and the moving contact is hinged to the hinged shaft and is abutted to the step.
The other end of actuating lever is equipped with the reference column of being connected with phase line utmost point operating device, the reference column is equipped with the through-hole, the reference column can move the setting with dodge downtheholely.
The width of the avoiding hole is larger than the diameter of the positioning column.
The moving contact is rotatably arranged on the inner wall of the neutral pole cavity through a positioning pin shaft.
The moving contact is provided with a special-shaped positioning hole with the size larger than that of the positioning pin shaft, the positioning pin shaft is inserted into the special-shaped positioning hole, one end of a tension spring of the moving contact is hung in the special-shaped positioning hole, and the other end of the tension spring of the moving contact is fixedly arranged on the inner wall of the neutral pole cavity through a tension spring positioning shaft.
The inner wall of the neutral line pole cavity is provided with a through hole for communicating the phase line pole cavity with the neutral line pole cavity, the phase line pole operating mechanism is provided with a linkage piece, the linkage piece penetrates through the through hole and enters the neutral line pole cavity, and the width of the through hole is larger than that of the linkage piece.
The through holes and the avoiding holes are arc-shaped and distributed by taking a rotating shaft of the phase line pole operating mechanism as a circle center.
The shell comprises a middle cover and two side covers, a phase line pole cavity and a neutral line pole cavity are formed among the middle cover and the two side covers, a first moving contact support column is arranged on one side of the middle cover corresponding to the neutral line pole cavity, a second moving contact support column is correspondingly arranged on the inner side of the side cover corresponding to the neutral line pole cavity, and the moving contact is rotatably arranged between the first moving contact support column and the second moving contact support column through a positioning pin shaft
The utility model has the beneficial effects that: set up through the one end at actuating lever and phase line utmost point operating device coupling and dodge the groove, utilize phase line utmost point operating device's rotation, the swing of drive actuating lever, and dodge the mode in hole through the adoption, dodge the action stroke of actuating lever, and then make it can drive the moving contact and carry out the divide-shut brake operation, it is spacing to utilize the casing to carry out the centre gripping to the moving contact simultaneously, guarantee that it can not squint under the drive of actuating lever, and then guarantee the reliability of divide-shut brake, the steam generator is simple in structure, high durability and convenient installation, reduce the processing precision requirement to the casing, easily assemble simultaneously, economic benefits is improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a neutral pole chamber of the present invention.
Fig. 2 is a schematic structural diagram of a phase electrode chamber of the present invention.
FIG. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of the middle cap of the present invention.
Fig. 5 is a schematic view of the driving rod of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
A transmission mechanism of a leakage circuit breaker comprises a shell 1 with a phase line pole chamber and a neutral line pole chamber, and a phase line pole operating mechanism and a neutral line pole operating mechanism which are respectively arranged in the phase line pole chamber and the neutral line pole chamber, wherein the left side and the right side of the shell are respectively provided with the phase line pole chamber and the neutral line pole chamber and are respectively used for installing the phase line pole operating mechanism and the neutral line pole operating mechanism, and the two can pass through the shell to form linkage, the neutral line pole operating mechanism comprises a driving rod 2, a moving contact 4, a moving contact tension spring 8 and a static contact 7, the phase line pole operating mechanism comprises a handle 10, a phase line pole moving contact 14, a moving contact support 13, a phase line pole static contact 15, a rotating plate 11, a lock catch and a lock catch moving contact resetting piece 12, wherein the phase line pole is fixedly arranged on the contact support, and the moving contact support after installation is fixedly connected with the rotating plate, the lock catch is arranged on the other side of the rotating plate and fixedly connected with the rotating plate through the lock catch reset piece, the rotating plate is limited between the lock catch and the lock catch reset piece, a pin shaft coupled with the driving rod is arranged on one side, facing the shell, of the rotating plate, one end of the driving rod is coupled with the phase line pole operating mechanism, the other end of the driving rod is hinged with the moving contact, the moving contact is rotatably arranged on the inner wall of the neutral line pole cavity and connected with the inner wall of the neutral line pole cavity through a moving contact tension spring, an avoiding hole 18 used for avoiding the action stroke of the driving rod is formed in the inner wall of the neutral line pole cavity, and one end, coupled with the phase line pole operating mechanism, of the driving rod is arranged in the avoiding hole.
When the phase line pole operating device moves, its commentaries on classics board can drive the actuating lever action, and because the movable contact is rotatable to be set up on the casing, its other end is articulated by the actuating lever, consequently, it can rotate under the drive of actuating lever, and then realizes divide-shut brake, and the opening of movable contact is decided by the turned angle of commentaries on classics board and the length of actuating lever, can change its opening size through the length of adjustment actuating lever, satisfies different electrical requirements.
Meanwhile, one side of the front side and the rear side of one end, hinged with the driving rod, of the moving contact is limited by the shell, and the other side of the front side and the rear side is provided with a limiting column 20 for further stroke limitation.
Wherein in order to guarantee the reliability of moving contact action, utilize well lid and both sides lid to constitute a complete casing, utilize and set up first moving contact support column 17 and second moving contact support column 16 between well lid and the side cap, with the moving contact rotatable setting in between the two to by its centre gripping, guarantee that its position can not produce the skew when the divide-shut brake.
One end of the driving rod is provided with a hinged shaft 3 hinged with the moving contact, the hinged shaft is integrally formed with the driving rod, one end of the moving contact is hinged with the hinged shaft, a step 22 is arranged between the hinged shaft and the driving rod, the moving contact is hinged with the hinged shaft and is abutted against the step, and the contact area with the moving contact is reduced.
The other end of actuating lever is equipped with the reference column 21 of being connected with phase line utmost point operating device, the reference column is equipped with the through-hole, the reference column can move the setting with dodge downtheholely, the width of dodging the hole is greater than the diameter of reference column, and then make this actuating lever can dodge downthehole action.
The moving contact is provided with a special-shaped positioning hole 6 with the size larger than that of the positioning pin shaft, the positioning pin shaft 5 is inserted into the special-shaped positioning hole, one end of a tension spring of the moving contact is hung in the special-shaped positioning hole, and the other end of the tension spring of the moving contact is fixedly arranged on the inner wall of the neutral pole cavity through a tension spring positioning shaft.
The phase line pole operating mechanism is characterized in that a through hole 19 for communicating the phase line pole cavity with the neutral line pole cavity is formed in the inner wall of the neutral line pole cavity, a linkage part is arranged on the phase line pole operating mechanism, the linkage part penetrates through the through hole and enters the neutral line pole cavity, and the width of the through hole is larger than that of the linkage part 9, so that the linkage part can swing up and down and cannot interfere with the action of the driving rod.
The through holes and the avoiding holes are arc-shaped and distributed by taking a rotating shaft of the phase electrode operating mechanism as a circle center.
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 (10)
1. The utility model provides a transmission of residual-current circuit breaker, its is including the casing that has phase line utmost point cavity and neutral line utmost point cavity and set up phase line utmost point operating device and neutral line utmost point operating device in phase line utmost point cavity and neutral line utmost point cavity respectively, neutral line utmost point operating device include actuating lever, moving contact extension spring and static contact, the one end and the phase line utmost point operating device coupling of actuating lever are concatenated, the other end and the moving contact of actuating lever are articulated, its characterized in that: the movable contact is rotatable to be set up in the neutral line utmost point cavity, just the movable contact is by two inner wall centre gripping of neutral line utmost point cavity, the movable contact pass through the movable contact extension spring with the interior wall connection of neutral line utmost point cavity, be equipped with on the inner wall of neutral line utmost point cavity and be used for dodging the hole of dodging of actuating lever action stroke, the actuating lever with the one end of phase line utmost point operating device coupling set up in dodge downthehole.
2. A residual current circuit breaker transmission mechanism as claimed in claim 1, characterized in that: one end of the driving rod is provided with a hinged shaft hinged with the moving contact, and the hinged shaft is integrally formed with the driving rod.
3. A residual current circuit breaker transmission mechanism according to claim 2, characterized in that: a step is arranged between the hinged shaft and the driving rod, and the moving contact is hinged to the hinged shaft and is abutted to the step.
4. A residual current circuit breaker transmission mechanism according to claim 1, characterized in that: the other end of actuating lever is equipped with the reference column of being connected with phase line utmost point operating device, the reference column is equipped with the through-hole, the reference column can move the setting with dodge downtheholely.
5. A residual current circuit breaker transmission mechanism as claimed in claim 4, characterized in that: the width of the avoiding hole is larger than the diameter of the positioning column.
6. A residual current circuit breaker transmission mechanism according to claim 1, characterized in that: the moving contact is rotatably arranged on the inner wall of the neutral pole cavity through a positioning pin shaft.
7. A residual current circuit breaker transmission mechanism according to claim 6, characterized in that: the moving contact is provided with a special-shaped positioning hole with the size larger than that of the positioning pin shaft, the positioning pin shaft is inserted into the special-shaped positioning hole, one end of a tension spring of the moving contact is hung in the special-shaped positioning hole, and the other end of the tension spring of the moving contact is fixedly arranged on the inner wall of the neutral pole cavity through a tension spring positioning shaft.
8. A residual current circuit breaker transmission mechanism according to claim 1, characterized in that: the inner wall of the neutral line pole cavity is provided with a through hole for communicating the phase line pole cavity with the neutral line pole cavity, the phase line pole operating mechanism is provided with a linkage piece, the linkage piece penetrates through the through hole and enters the neutral line pole cavity, and the width of the through hole is larger than that of the linkage piece.
9. A residual current circuit breaker transmission mechanism according to claim 8, characterized in that: the through holes and the avoiding holes are arc-shaped and distributed by taking a rotating shaft of the phase electrode operating mechanism as a circle center.
10. A residual current circuit breaker transmission mechanism according to claim 1, characterized in that: the shell comprises a middle cover and two side covers, a phase line pole cavity and a neutral line pole cavity are formed among the middle cover and the two side covers, a first moving contact support column is arranged on one side of the middle cover corresponding to the neutral line pole cavity, a second moving contact support column is correspondingly arranged on the inner side of the side cover corresponding to the neutral line pole cavity, and the moving contact is rotatably arranged between the first moving contact support column and the second moving contact support column through a positioning pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077079.8U CN216749785U (en) | 2022-01-13 | 2022-01-13 | Transmission mechanism of residual current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077079.8U CN216749785U (en) | 2022-01-13 | 2022-01-13 | Transmission mechanism of residual current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216749785U true CN216749785U (en) | 2022-06-14 |
Family
ID=81912114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220077079.8U Active CN216749785U (en) | 2022-01-13 | 2022-01-13 | Transmission mechanism of residual current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216749785U (en) |
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2022
- 2022-01-13 CN CN202220077079.8U patent/CN216749785U/en active Active
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