CN113889375B - A circuit breaker operating mechanism opening and closing interlocking mechanism - Google Patents
A circuit breaker operating mechanism opening and closing interlocking mechanism Download PDFInfo
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- CN113889375B CN113889375B CN202010621762.9A CN202010621762A CN113889375B CN 113889375 B CN113889375 B CN 113889375B CN 202010621762 A CN202010621762 A CN 202010621762A CN 113889375 B CN113889375 B CN 113889375B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a circuit breaker operating device divide-shut brake interlocking device which characterized in that: the driving piece (2) is arranged on the mounting bottom plate (1) and can move back and forth, the driving piece (2) is arranged on the mounting bottom plate (1) and can push the primary rotating plate (4) to rotate in the moving process, the primary rotating plate (4) can be linked with the secondary linkage rod (5) to move in the rotating process, and the secondary linkage rod (5) can drive the closing half shaft (6) to rotate in the moving process; the switching-on and switching-off release linkage mechanism (A) and the switching-off and release linkage mechanism (B) on the mounting bottom plate (1) can push the release linkage rod (M1) to rotate when corresponding switching-on or switching-off is performed, so that the linkage relation between the primary rotating plate (4) and the secondary linkage rod (5) is released; the breaker operating mechanism opening and closing interlocking mechanism has the advantages of fewer interlocking parts and fewer switching points, can improve the reliability of the operating mechanism while finishing the interlocking function of the operating mechanism, has reasonable overall mechanism layout, and reduces the occupied space.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a switching-on and switching-off interlocking mechanism of a circuit breaker operating mechanism.
Background
The circuit breaker is an important part of a power distribution electrical appliance, and is mainly used for an industrial low-voltage power system, and is used for switching on and off current in a power grid circuit, protecting a circuit and power supply equipment from damage caused by faults such as overload, undervoltage, short circuit, single-phase grounding and the like.
The circuit breaker is classified into a high voltage circuit breaker and a low voltage circuit breaker according to its range of use. The low-voltage circuit breaker is also called an automatic switch, commonly called an air switch, and also refers to a low-voltage circuit breaker, and is an electric appliance which has the function of manual switching and can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used to distribute electric energy, not frequently start asynchronous motor, protect power supply circuit and motor, when they are in serious overload or short circuit and under-voltage, it can automatically cut off circuit, its function is equivalent to the combination of fuse switch and over-under-heating relay, etc. and after breaking fault current it generally does not need to change parts, so that it has been widely used.
The circuit breaker controls the switching-on and switching-off of the circuit breaker contact system through the switching-on and switching-off of the operating mechanism, so that the switching-on and switching-off of the operating mechanism is realized, the operating mechanism is used as a core component of the circuit breaker, and the service life of the operating mechanism is greatly damaged by any air release energy, so that the air release energy of the operating mechanism is not caused by artificial misoperation under the switching-on state and under the condition that the switching-off half shaft of the operating mechanism is not reset, and the switching-on and switching-off interlocking mechanism of the operating mechanism is required to be designed. The existing opening and closing interlocking mechanism is formed by interlocking indication pieces of a closing push rod machine, the structure switching is complex, and meanwhile, the indication pieces are extremely easy to damage due to the fact that the indication pieces are switched and indicated under high-speed impact according to the working principle, so that the opening and closing interlocking mechanism is easy to fail.
Disclosure of Invention
The invention aims to overcome the technical defects that the prior breaker operating mechanism closing half shaft unlocking mechanism is complex in structure and easy to damage, and provides the breaker operating mechanism closing and opening interlocking mechanism which realizes the interlocking function through fewer parts, meanwhile, the interlocking mechanism directly collects the states of the closing half shaft and the rotating shaft to reduce intermediate transfer links, the service life and the reliability of the interlocking mechanism are greatly improved, the whole mechanism is reasonable in layout, and the occupied space is reduced
Technical proposal
In order to achieve the technical purpose, the invention provides a breaker operating mechanism opening and closing interlocking mechanism, which is characterized in that: the automatic switching-on device comprises a mounting bottom plate, a driving piece is arranged on the mounting bottom plate and can move back and forth, a reset elastic piece is connected with the driving piece and can drive the driving piece to reset, the driving piece is arranged on the mounting bottom plate and can push a primary rotating plate to rotate in the moving process, the primary rotating plate can be linked with a secondary linkage rod to move in the rotating process, and the secondary linkage rod can drive a switching-on half shaft to rotate in the moving process;
The release interlocking rod is rotatably arranged on a release interlocking rod installation shaft on the installation bottom plate, one end of the release interlocking rod is correspondingly linked with the secondary interlocking rod, and a release interlocking rod reset torsion spring is arranged on the release interlocking rod installation shaft so that one end of the release interlocking rod has a tendency of separating from the secondary interlocking rod;
the installation bottom plate is provided with a closing release linkage mechanism which can push the release interlocking rod to rotate when closing so as to release the linkage relation between the primary rotating plate and the secondary interlocking rod;
The mounting bottom plate is provided with a brake release linkage mechanism, and the brake release linkage mechanism can push the release linkage rod to rotate when brake is released, so that the linkage relation between the primary rotating plate and the secondary linkage rod is released.
Further, the driving piece is a button, a sliding slotted hole is formed in the button, one end of a button installation shaft is fixedly arranged on the installation base plate, the other end of the button installation shaft penetrates out of the sliding slotted hole, one end of the button installation shaft, which penetrates out of the sliding slotted hole, is limited by a clamp spring, and the button is arranged on the button installation shaft and can horizontally move back and forth.
Further, the reset elastic piece is a reset tension spring, one end of the reset tension spring is connected to the button, and the other end of the reset tension spring is arranged on the button mounting shaft.
Further, the boss and the flange are stretched out to the one-level rotating plate, the one-level rotating plate is in through the axle dress mounting plate is last, the one-level rotating plate pass through the boss with the protruding pole linkage that sets up on the button, the one-level rotating plate passes through step one of protruding board front end and the second overlap joint linkage of step two on the second grade trace, the lower extreme and the semi-axis pivot of closing a floodgate of second grade trace are connected, the second grade trace can drive in the downstream in-process of moving the semi-axis of closing a floodgate rotates, the semi-axis of closing a floodgate rotates the in-process and can be to closing a floodgate hasp unblock.
Further, a return torsion spring is mounted on the shaft to provide a return force to the primary rotating plate.
Further, the button is provided with a sliding slot hole which is arranged up and down side by side.
Further, the second-stage linkage rod is connected with a linkage rod tension spring to enable the linkage rod tension spring to have a tendency of rotating around the lower end, so that the lap joint of the first step and the second step is ensured.
Further, the closing release linkage mechanism comprises a push plate, a push plate rotating shaft is fixedly arranged on the installation bottom plate, the push plate is rotatably arranged on the push plate rotating shaft, a push plate torsion spring is sleeved on the push plate, and a closing release linkage shaft on the push plate can be enabled to prop against the release linkage rod to overcome the resistance of a release linkage rod reset torsion spring, so that the release linkage rod is enabled to rotate to push and release the linkage relation between the primary rotating plate and the secondary linkage rod;
The main shaft is pivotally arranged on the mounting bottom plate, the cantilever is fixedly arranged on the main shaft and can rotate together with the main shaft, the cantilever is provided with a striking shaft, the striking shaft is linked with a linkage part on the push plate, and the striking shaft can push the linkage part in the rotation process of the cantilever along with the striking shaft so as to drive the push plate to rotate away from the release interlocking rod.
Further, the push plate torsion spring is sleeved on the push plate rotation shaft, one end of the push plate torsion spring abuts against the first shaft on the push plate, and the other end of the push plate torsion spring abuts against the second shaft on the mounting bottom plate.
Further, the mounting bottom plate is provided with a push plate rotating stroke limiting shaft which can limit the rotating stroke of the push plate.
Further, the brake release linkage mechanism comprises a brake release half shaft, the brake release half shaft is linked with the other end of the release linkage rod, and when the brake release half shaft rotates, the release linkage rod M can be pushed to rotate so as to release the linkage relation between the primary rotating plate and the secondary linkage rod.
Further, an unlocking rod rotating stroke limiting block is arranged on the mounting bottom plate and can limit the rotating stroke of the unlocking rod.
Preferably, the mounting base plate is a side plate.
Advantageous effects
According to the switching-on and switching-off interlocking mechanism of the breaker operating mechanism, the interlocking function is realized through fewer parts, meanwhile, the interlocking mechanism directly collects the states of the switching-off half shaft and the rotating shaft, intermediate switching links are reduced, the service life and reliability of the interlocking mechanism are greatly improved, the whole mechanism is reasonable in layout, and occupied space is reduced.
Drawings
FIG. 1 is a schematic view of an operating mechanism in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an opening and closing interlocking mechanism in an embodiment of the invention.
FIG. 3a is a schematic perspective view of an embodiment of the present invention in a state in which the opening interlock is not activated.
FIG. 3b is a schematic diagram of a structure of the present invention in a state in which the opening interlock is not activated.
Fig. 4a is a schematic perspective view of a closing interlock in an embodiment of the present invention.
Fig. 4b is a schematic structural diagram of the embodiment of the present invention in a closing interlock starting state.
Fig. 5a is a schematic perspective view illustrating a state of actuation of the opening interlock according to an embodiment of the present invention.
FIG. 5b is a schematic diagram of a structure of the present invention in a brake-off interlock activation state.
Fig. 6 is a schematic diagram of a button structure in an embodiment of the present invention.
Fig. 7 is a schematic structural view of a primary rotating plate according to an embodiment of the present invention.
FIG. 8 is a schematic diagram of a secondary linkage in an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of an opening and closing indication interlocking mechanism in an embodiment of the invention.
Fig. 10 is a schematic structural diagram of an opening/closing indication interlocking mechanism in a state to be closed in an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of an opening and closing indication interlocking mechanism in a closing state according to an embodiment of the present invention. Fig. 12 is a schematic structural diagram of a closing half shaft in an embodiment of the present invention.
FIG. 13 is a schematic view of a brake release half shaft in an embodiment of the invention.
Fig. 14 is a schematic view showing the structure of the release lock lever in the embodiment of the present invention.
Figure 15 is a schematic view of the structure of the push plate in an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1,2 and 9, an opening and closing interlocking mechanism of a circuit breaker operating mechanism comprises an opening and closing indication interlocking mechanism, wherein the opening and closing indication interlocking mechanism comprises a mounting base plate 1, and the mounting base plate 1 is preferably a side plate in the embodiment. The driving piece 2 is installed and can make a round trip movement on the mounting plate 1, and reset elastic piece 3 with driving piece 2 is connected and can drive driving piece 2 resets, in this embodiment, reset elastic piece 3 is reset extension spring, reset extension spring one end is connected on the button, and the other end is installed on the button installation axle 7. The driving piece 2 is arranged on the mounting bottom plate 1 and can push the primary rotating plate 4 to rotate in the moving process, the primary rotating plate 4 can push the secondary linkage rod 5 to move in the rotating process, and the closing half shaft 6 can be driven to rotate in the moving process of the secondary linkage rod 5.
In this embodiment, as shown in fig. 6 and 9, the driving member 2 is a button, and the button is provided with a sliding slot 201, and in this embodiment, the button is preferably provided with 2 sliding slots 201 side by side up and down. One end of a button installation shaft 7 is fixedly arranged on the installation base plate 1, the other end of the button installation shaft penetrates out of the sliding slotted hole 201, one end of the button installation shaft 7 penetrating out of the sliding slotted hole 201 is limited by a clamp spring 8, and the button is arranged on the button installation shaft 7 and can horizontally move back and forth.
As shown in fig. 6,7,8 and 9, the primary rotating plate 4 extends out of the boss 401 and the convex plate 402, the primary rotating plate 4 is mounted on the mounting base plate 1 through a shaft 9, and a reset torsion spring 12 is mounted on the shaft 9 and can provide a reset force for the primary rotating plate 4, one end of the reset torsion spring 10 abuts against the primary rotating plate 4, and the other end abuts against the side plate to provide a reset force for the counter-clockwise rotation of the primary rotating plate 4.
As shown in fig. 6,7,8,9 and 12, the primary rotating plate 4 is linked with the convex rod 202 arranged on the button through a boss 401, the primary rotating plate 4 is in lap joint with the step two 501 at the upper end of the secondary linkage rod 5 through the step one 402a at the front end of the convex plate 402, specifically, the secondary linkage rod 5 has a tendency of rotating around the lower end through the linkage rod tension spring 11 connected with the secondary linkage rod 5, so that the lap joint of the step one 402a and the step two 501 is ensured, and the other end of the linkage rod tension spring 11 is arranged on the side plate. The lower end of the secondary linkage rod 5 is pivotally connected with the closing half shaft 6, the closing half shaft 6 can be driven to rotate in the downward movement process of the secondary linkage rod 5, and the closing lock catch 12 can be unlocked in the rotation process of the closing half shaft 10.
As shown in fig. 11, when an external force is required to be applied to the button, the button overcomes the resistance of the reset tension spring and slides in the sliding slot 201 to the inside of the operating mechanism, the button pushes the boss 401 through the convex rod 202 to drive the primary rotating plate 4 to rotate clockwise, the primary linkage plate 4 pushes the step two 501 to drive the secondary linkage rod 5 to move downwards through the step one 402a in the clockwise rotating process, the secondary linkage rod 5 pushes the closing half shaft 6 to rotate in the downward moving process, the amount of the hasp a between the closing half shaft 6 and the opening lock catch 12 is gradually reduced, when the amount of the hasp is reduced to zero, the locking between the closing half shaft and the closing lock catch of the operating mechanism is broken, then the cam 13, the locking state between the closing lock catch 12 and the energy storage lever 14 is broken, the energy storage lever 14 can rapidly act under the action of the main spring 15 to push the connecting rod assembly 16 to rotate, and the operating mechanism spindle is driven to rotate, so that the operating mechanism reaches the closing state as shown in fig. 10.
In order to realize the release indication function of the above-mentioned opening/closing indication interlocking mechanism in the closing state and the opening state, as shown in fig. 2 and 14, a release interlocking lever M1 is disposed on the mounting base plate 1, the release interlocking lever M1 is rotatably mounted on a release interlocking lever mounting shaft M2 on the mounting base plate 1, and a release interlocking lever rotation stroke limiting block 102 is disposed on the mounting base plate 1 to limit the rotation stroke of the release interlocking lever M1. One end of the release interlocking rod M1 is correspondingly linked with the secondary interlocking rod 5, and a release interlocking rod reset torsion spring M3 is arranged on the release interlocking rod mounting shaft M2 so that one end of the release interlocking rod M1 has a tendency of separating from the secondary interlocking rod 5; meanwhile, a closing release linkage mechanism A is arranged on the mounting bottom plate 1, and the closing release linkage mechanism A can push the release linkage rod M1 to rotate during closing so as to release the linkage relation between the primary rotating plate 4 and the secondary linkage rod 5; the mounting base plate 1 is also provided with a brake release linkage mechanism B, and the brake release linkage mechanism B can push the release linkage rod M1 to rotate when brake release is carried out, so that the linkage relation between the primary rotating plate 4 and the secondary linkage rod 5 is released.
Specifically, as shown in fig. 2 and 15, the closing releasing linkage mechanism a includes a push plate A7, a push plate rotation shaft A6 is fixedly installed on the mounting base plate 1, the push plate A7 is rotatably installed on the push plate rotation shaft A6, and a push plate rotation stroke limiting shaft (not shown in the drawings) is provided on the mounting base plate 1 to limit the rotation stroke of the push plate A7. One end of a push plate torsion spring A8 sleeved on the push plate rotary shaft A6 is propped against a first shaft A702 on the push plate A7, and the other end is propped against a second shaft 101 on the mounting bottom plate 1, so that a closing release linkage shaft A7a on the push plate A7 is propped against the release linkage rod M1 to overcome the resistance of the release linkage rod reset torsion spring M3, and the release linkage rod M1 is enabled to rotate to push and release the linkage relation between the primary rotary plate 4 and the secondary linkage rod 5;
Meanwhile, in order to enable the push plate A7 to leave the release interlocking lever M1 and restore the interlocking relationship between the primary rotating plate 4 and the secondary interlocking lever 5, a structure is provided in which the spindle A2 is pivotally mounted on the mounting base plate 1, a cantilever A3 is fixedly mounted on the spindle A2 and can rotate together with the spindle A2, a striking shaft A301 is provided on the cantilever A3, the striking shaft A301 is interlocked with an interlocking part A701 on the push plate A7, and the striking shaft A301 can push the interlocking part A701 to drive the push plate A7 to rotate away from the release interlocking lever M1 in the rotation process of the cantilever A3.
And set up the brake release link gear B and be used for resume the one-level rotation board 4 with the linkage relation between the second grade trace 5 when breaking the floodgate, brake release link gear B includes brake release semi-axis B1, as shown in figures 2 and 13, brake release semi-axis B1 with release the other end linkage of interlock lever M1, brake release semi-axis B1 can promote when breaking the floodgate and rotate release interlock lever M1 rotation promotes and releases the linkage relation between one-level rotation board 4 and the second grade trace 5.
As shown in fig. 3a and 3B, when the operating mechanism is in a non-actuated state of the opening and closing interlocking, neither the push plate A7 nor the opening and closing half shaft B1 is in contact with the release interlocking lever M1, the release interlocking lever M1 is far away from the secondary interlocking lever 5 under the action of the release interlocking lever reset torsion spring M3, the step one 402a is overlapped with the step two 501, and the opening and closing indicating interlocking mechanism can work normally;
As shown in fig. 4a and 4b, when the operating mechanism is in a closing interlocking start state, the closing release linkage shaft A7a on the push plate A7 abuts against the release linkage rod M1 to overcome the resistance of the release linkage rod reset torsion spring M3, so that the release linkage rod M1 rotates to push and release the overlap joint between the step one 402a and the step two 501 between the primary rotating plate 4 and the secondary linkage rod 5, and the closing instruction linkage mechanism cannot work normally; if the push plate A7 is to be separated from the release interlock lever M1 to restore the linkage relationship between the primary rotation plate 4 and the secondary linkage 5, the striking shaft a301 provided on the cantilever A3 is used to push the linkage part a701 to drive the push plate A7 to rotate away from the release interlock lever M1.
As shown in fig. 5a and 5B, when the operating mechanism is in a brake-separating interlocking start state, the brake-separating half shaft B1 can push the unlocking lever M1 to rotate when rotating to release the overlap joint between the step one 402a and the step two 501 between the first-stage rotating plate 4 and the second-stage linkage rod 5, and the brake-separating indicating interlocking mechanism cannot work normally;
in the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The utility model provides a circuit breaker operating device divide-shut brake interlocking device which characterized in that: the automatic switching-on device comprises a mounting bottom plate (1), wherein a driving piece (2) is arranged on the mounting bottom plate (1) and can move back and forth, a reset elastic piece (3) is connected with the driving piece (2) and can drive the driving piece (2) to reset, the driving piece (2) is arranged on the mounting bottom plate (1) and can push a first-stage rotating plate (4) to rotate in the moving process, a second-stage linkage rod (5) can be linked to move in the rotating process of the first-stage rotating plate (4), and a switching-on half shaft (6) can be driven to rotate in the moving process of the second-stage linkage rod (5);
The unlocking rod (M1) is rotatably arranged on an unlocking rod mounting shaft (M2) on the mounting bottom plate (1), one end of the unlocking rod (M1) is correspondingly linked with the secondary linkage rod (5), and an unlocking rod reset torsion spring (M3) is arranged on the unlocking rod mounting shaft (M2) so that one end of the unlocking rod (M1) and the secondary linkage rod (5) have a tendency of separation;
the installation bottom plate (1) is provided with a closing release linkage mechanism (A), and the closing release linkage mechanism (A) can push the release interlocking rod (M1) to rotate during closing so as to release the linkage relation between the primary rotating plate (4) and the secondary interlocking rod (5);
The mounting bottom plate (1) is provided with a brake release linkage mechanism (B), and the brake release linkage mechanism (B) can push the release linkage rod (M1) to rotate when brake release is carried out so as to release the linkage relation between the primary rotating plate (4) and the secondary linkage rod (5);
The driving piece (2) is a button, a sliding slotted hole (201) is formed in the button, one end of a button installation shaft (7) is fixedly arranged on the installation base plate (1), the other end of the button installation shaft penetrates out of the sliding slotted hole (201), one end of the button installation shaft (7) penetrating out of the sliding slotted hole (201) is limited by a clamp spring (8), and the button is arranged on the button installation shaft (7) and can horizontally move back and forth;
The primary rotating plate (4) extends out of the boss (401) and the convex plate (402), the primary rotating plate (4) is arranged on the mounting bottom plate (1) through a shaft (9), the primary rotating plate (4) is linked with the convex rod (202) arranged on the button through the boss (401), the primary rotating plate (4) is in lap joint linkage with the step two (501) at the upper end of the secondary linkage rod (5) through the step one (402 a) at the front end of the convex plate (402), the lower end of the secondary linkage rod (5) is in pivot connection with the closing half shaft (6), the closing half shaft (6) can be driven to rotate in the downward movement process of the secondary linkage rod (5), and the closing half shaft (6) can be unlocked by the closing lock catch (12) in the rotation process of the closing half shaft (6);
The closing release linkage mechanism (A) comprises a push plate (A7), a push plate rotating shaft (A6) is fixedly arranged on the installation base plate (1), the push plate (A7) is rotatably arranged on the push plate rotating shaft (A6), a push plate torsion spring (A8) is sleeved on the push plate (A7) and can enable a closing release linkage shaft (A7 a) on the push plate (A7) to prop against the release linkage rod (M1) so as to overcome the resistance of the release linkage rod reset torsion spring (M3), and therefore the release linkage rod (M1) rotates to push and release the linkage relation between the primary rotating plate (4) and the secondary linkage rod (5);
The main shaft (A2) is pivotally arranged on the mounting bottom plate (1), the cantilever (A3) is fixedly arranged on the main shaft (A2) and can rotate together with the main shaft (A2), the cantilever (A3) is provided with a striking shaft (A301), the striking shaft (A301) is linked with a linkage part (A701) on the push plate (A7), and the striking shaft (A301) can push the linkage part (A701) in the rotating process of the cantilever (A3) so as to drive the push plate (A7) to rotate away from the release interlocking rod (M1);
The brake release and release linkage mechanism (B) comprises a brake release half shaft (B1), wherein the brake release half shaft (B1) is linked with the other end of the brake release linkage rod (M1), and the brake release half shaft (B1) can push the brake release linkage rod (M1) to rotate and push to release the linkage relation between the primary rotating plate (4) and the secondary linkage rod (5) when the brake release half shaft rotates.
2. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the reset elastic piece (3) is a reset tension spring, one end of the reset tension spring is connected to the button, and the other end of the reset tension spring is arranged on the button mounting shaft (7).
3. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: a return torsion spring (10) is mounted on the shaft (9) to provide a return force to the primary rotating plate (4).
4. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: and 2 sliding slotted holes (201) are arranged on the button in parallel up and down.
5. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the secondary linkage rod (5) is connected with a linkage rod tension spring (11) to enable the linkage rod tension spring to have a tendency of rotating around the lower end, so that the lap joint of the step I (402 a) and the step II (501) is ensured.
6. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the push plate torsion spring (A8) is sleeved on the push plate rotation shaft (A6), one end of the push plate torsion spring (A8) abuts against the first shaft (A702) on the push plate (A7), and the other end abuts against the second shaft (101) on the mounting bottom plate (1).
7. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the mounting bottom plate (1) is provided with a push plate rotation stroke limiting shaft which can limit the rotation stroke of the push plate (A7).
8. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the mounting bottom plate (1) is provided with a release interlocking rod rotating stroke limiting block (102) capable of limiting the rotating stroke of the release interlocking rod (M1).
9. The circuit breaker operating mechanism opening and closing interlock of claim 1 wherein: the mounting bottom plate (1) is a side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621762.9A CN113889375B (en) | 2020-07-01 | 2020-07-01 | A circuit breaker operating mechanism opening and closing interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010621762.9A CN113889375B (en) | 2020-07-01 | 2020-07-01 | A circuit breaker operating mechanism opening and closing interlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113889375A CN113889375A (en) | 2022-01-04 |
| CN113889375B true CN113889375B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621762.9A Active CN113889375B (en) | 2020-07-01 | 2020-07-01 | A circuit breaker operating mechanism opening and closing interlocking mechanism |
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| CN (1) | CN113889375B (en) |
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| CN113889374A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Closing interlocking mechanism of circuit breaker operating mechanism |
| CN113889370A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divides closing indication interlocking gear |
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| JP4155172B2 (en) * | 2003-11-25 | 2008-09-24 | 松下電工株式会社 | Circuit breaker interlocking breaking mechanism |
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| CN106449307B (en) * | 2015-08-04 | 2019-01-04 | 浙江正泰电器股份有限公司 | Circuit breaker interlocking device |
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2020
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212750769U (en) * | 2020-07-01 | 2021-03-19 | 上海良信电器股份有限公司 | A circuit breaker operating mechanism opening and closing interlocking mechanism |
| CN113889378A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Breaker operating device separating brake interlocking gear |
| CN113889374A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Closing interlocking mechanism of circuit breaker operating mechanism |
| CN113889370A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divides closing indication interlocking gear |
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| CN113889375A (en) | 2022-01-04 |
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