CN221008882U - Leakage module of small leakage circuit breaker - Google Patents
Leakage module of small leakage circuit breaker Download PDFInfo
- Publication number
- CN221008882U CN221008882U CN202323074991.1U CN202323074991U CN221008882U CN 221008882 U CN221008882 U CN 221008882U CN 202323074991 U CN202323074991 U CN 202323074991U CN 221008882 U CN221008882 U CN 221008882U
- Authority
- CN
- China
- Prior art keywords
- leakage
- matched
- casing
- rod
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000009191 jumping Effects 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to an electric leakage module of a small-sized electric leakage breaker, which comprises a handle, a lock catch, a jump button, a torsion spring, a contact frame rotatably arranged in a shell, a spring arranged between the contact frame and the shell, N line moving contacts in linkage fit with the contact frame, and an electric leakage tripping assembly arranged in the shell and matched with the jump button. The utility model has the advantages of simple structure, stable and reliable performance, high opening and closing speed, flexible operation and sensitive tripping action.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a leakage module of a small-sized 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 small-sized leakage circuit breaker comprises a plurality of L-line breaker units and N-line leakage protection modules assembled with the L-line breaker units.
For example, chinese patent application No. CN201710462871.9 discloses a residual current tripping mechanism and a circuit breaker, and proposes a tripping action as a leakage protection unit with an eccentric action of an indefinite point, although the leakage protection unit improves the tripping action process, so that the tripping is more labor-saving, the function of the leakage protection unit is safe and reliable, but in the tripping process, the action point of the reset plate on the latch pushing force is easily shifted, so that the tripping force is easily changed, and the tripping force is unstable and the tripping performance is unreliable. The structure design of the existing N-line leakage protection module is complex, the opening and closing actions of the leakage protection module are slow, the breaking capacity is weak, and the leakage tripping action is insensitive.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the leakage module of the small leakage circuit breaker, which has the advantages of simple structure, stable and reliable performance, high switching-on and switching-off speed, flexible operation and sensitive tripping action.
In order to achieve the above purpose, the utility model adopts a small leakage breaker electric leakage module, which comprises a handle arranged in a shell in a rotating way, a lock catch arranged in the shell in a sliding way, a jump buckle arranged in the shell and locked with the lock catch, a torsion spring arranged between the jump buckle and the shell, a contact frame arranged in the shell in a rotating way, a spring arranged between the contact frame and the shell, an N-line moving contact in linkage fit with the contact frame, and an electric leakage tripping assembly arranged in the shell and matched with the jump buckle, wherein the handle is connected with the lock catch through a connecting rod, one end of the lock catch is connected with the contact frame through a U-shaped connecting rod, the electric leakage tripping assembly comprises an electromagnetic release, a linkage rod arranged in the shell in a sliding way and matched with the electromagnetic release, and a push rod arranged in the shell in a rotating way and matched with the linkage rod in a linkage way, wherein the push rod is provided with a driving plane which is in a collision on one end of the jump buckle, and the driving plane acts along with the push rod and drives the jump buckle to move, so that the lock catch and lock catch are unlocked.
The structure has the beneficial effects that the four-bar structure design is adopted among the handle, the lock catch, the jump buckle and the contact frame, so that the operation moment of the leakage module can be ensured to be evenly distributed, the situation of excessive force or excessive light operation is avoided, and the operation is more flexible. The lock catch adopts a sliding type structural design, the handle drives the lock catch to slide through the connecting rod, and the lock catch drives the N-line movable contact frame to rapidly execute opening and closing actions through the U-shaped connecting rod, so that rapid opening and closing of the circuit breaker can be realized, and the opening and closing speed of the operating mechanism is higher. When the electric leakage is tripped, the cambered surface locking groove of the lock catch is buckled on the trip button, the electromagnetic trip unit and the bimetallic strip can respectively drive the trip button to act, the trip button can be quickly unlocked with the lock catch, the trip action is more sensitive, and the reliability is higher. Therefore, the leakage module of the miniature circuit breaker has the advantages of simple structure, stable and reliable performance, high opening and closing speed, flexible operation and sensitive tripping action.
Particularly, the other end of the lock catch is provided with an arc surface locking groove matched with the jump buckle, one end of the jump buckle is provided with an arc surface convex bearing surface matched with the arc surface locking groove, the arc surface locking groove rotates along with the lock catch and can be buckled on the arc surface convex bearing surface of the jump buckle, and the lock catch and the jump buckle are locked. The trip button is provided with an arc-surface convex bearing surface matched with the arc-surface locking groove, so that the trip action of the trip button and the lock catch can be ensured to be more sensitive.
Particularly, a rotating shaft hole connected with a connecting rod is formed in the handle, one end of the connecting rod is inserted into the rotating shaft hole, a driving hole matched with the connecting rod is formed in the lock catch, a guide rod part penetrating through the guide hole of the shell and connected in the driving hole is arranged at the other end of the connecting rod, and the guide rod part of the connecting rod moves along with the handle and slides back and forth in the guide hole. The lock catch is arranged in the shell in a sliding manner through the connecting rod, so that the lock catch and the shell are convenient to assemble, the lock catch can reliably act in the shell, the lock catch can rapidly drive the N-line moving contact frame to act, the opening and closing speed of the operating mechanism is facilitated, and the reliability of the action is higher.
Specifically, one end of the linkage rod is provided with a guide part which is abutted against the push rod of the electromagnetic release, a guide groove matched with the guide part is formed in the shell, and the guide part moves along with the linkage rod and slides back and forth in the guide groove. The guide part of the linkage rod is arranged in the guide groove of the shell in a sliding way, so that the linkage rod can reliably slide in the shell.
Particularly, the other end of the linkage rod is provided with a clamping hole, the pushing rod is provided with a clamping column matched with the clamping hole, and the clamping column is clamped in the clamping hole and is matched with the pushing rod in a clamping way. The linkage rod and the pushing rod are connected in a clamping fit mode, so that the assembly of the linkage rod and the pushing rod is facilitated, and the transmission of the linkage rod and the pushing rod is ensured to be more reliable.
Particularly, a rotating shaft matched with the pushing rod is arranged in the shell, a positioning hole matched with the rotating shaft is formed in the pushing rod, and the rotating shaft is inserted in the positioning hole and is in rotary connection fit with the pushing rod. The push rod rotates the pivot of setting in the casing to be convenient for the assembly of push rod and pivot, the assembly is more convenient, and can guarantee that the push rod can reliably rotate in the casing.
Particularly, a contact torsion spring is arranged between the contact frame and the N-line moving contact, the contact torsion spring is clamped on a positioning boss of the contact frame, and two ends of the contact torsion spring are respectively clamped in a first limit groove and a second limit groove of the N-line moving contact. The contact torsion spring can increase the contact pressure of the N-line moving contact, so that the N-line moving contact can be reliably contacted with the N-line fixed contact, and the N-line moving contact is assembled with the contact frame in a clamping fit mode, thereby being beneficial to improving the assembly efficiency of the N-line moving contact and the contact frame.
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 leakage module of a small leakage breaker, including a handle 11 rotatably disposed in a housing 10, a latch 12 slidably disposed in the housing 10, a trip button 13 rotatably disposed in the housing 10 and locked with the latch, a torsion spring 14 disposed between the trip button 13 and the housing 10, a contact frame 15 rotatably disposed in the housing 10, a spring 16 disposed between the contact frame 15 and the housing 10, an N-wire moving contact 17 operatively coupled with the contact frame 15, and a leakage trip assembly 20 disposed in the housing 10 and engaged with the trip button 13, wherein the handle 11 is connected with the latch 12 through a connecting rod 18, one end of the latch 12 is connected with the contact frame 15 through a U-shaped connecting rod 19, the leakage trip assembly 20 includes an electromagnetic trip unit 21, a linkage rod 22 slidably disposed in the housing 10 and operatively coupled with the electromagnetic trip unit 21, and a push rod 23 rotatably disposed in the housing 10 and operatively coupled with the linkage rod 22, the push rod 23 has a driving plane 231 disposed on one end of the push rod 13, and the push plane 231 drives the trip button 13 to move along with the latch 13 to unlock the latch 13. The other end of the lock catch 12 is provided with an arc surface locking groove 121 matched with the jump buckle 13, one end of the jump buckle 13 is provided with an arc surface convex bearing surface 131 matched with the arc surface locking groove 121, the arc surface locking groove 121 rotates along with the lock catch 12 and can be buckled on the arc surface convex bearing surface 131 of the jump buckle 13, and the lock catch 12 and the jump buckle 13 are locked. The trip button is provided with an arc-surface convex bearing surface matched with the arc-surface locking groove, so that the trip action of the trip button and the lock catch can be ensured to be more sensitive. The handle 11 is provided with a rotating shaft hole 111 connected with the connecting rod 18, one end of the connecting rod 18 is inserted into the rotating shaft hole 111, the lock catch 12 is provided with a driving hole 122 matched with the connecting rod 18, the other end of the connecting rod 18 is provided with a guide rod portion 181 penetrating through the guide hole 101 of the shell 10 and connected in the driving hole 122, and the guide rod portion 181 of the connecting rod 18 moves along with the handle 11 and slides back and forth in the guide hole 101. The lock catch is arranged in the shell in a sliding manner through the connecting rod, so that the lock catch and the shell are convenient to assemble, the lock catch can reliably act in the shell, the lock catch can rapidly drive the N-line moving contact frame to act, the opening and closing speed of the operating mechanism is facilitated, and the reliability of the action is higher.
As shown in fig. 2 and 3, one end of the linkage rod 22 has a guiding portion 211 that abuts against a push rod 211 of the electromagnetic release 21, a guiding groove 102 that is matched with the guiding portion 211 is provided in the housing 10, and the guiding portion 211 moves along with the linkage rod 22 and slides reciprocally in the guiding groove 102. The guide part of the linkage rod is arranged in the guide groove of the shell in a sliding way, so that the linkage rod can reliably slide in the shell. The other end of the linkage rod 22 is provided with a clamping hole 222, the pushing rod 23 is provided with a clamping column 232 matched with the clamping hole 222, the clamping column 232 is clamped in the clamping hole 222, and the clamping column 232 is matched with the pushing rod 23 in a clamping way. The linkage rod and the pushing rod are connected in a clamping fit mode, so that the assembly of the linkage rod and the pushing rod is facilitated, and the transmission of the linkage rod and the pushing rod is ensured to be more reliable. The shell 10 is internally provided with a rotating shaft 103 matched with the pushing rod 23, the pushing rod 23 is provided with a positioning hole 233 matched with the rotating shaft 103, and the rotating shaft 103 is inserted into the positioning hole 233 and is in rotary connection fit with the pushing rod 23. The push rod rotates the pivot of setting in the casing to be convenient for the assembly of push rod and pivot, the assembly is more convenient, and can guarantee that the push rod can reliably rotate in the casing. A contact torsion spring 170 is arranged between the contact frame 15 and the N-wire moving contact 17, the contact torsion spring 170 is clamped on the positioning boss 151 of the contact frame 15, and two ends of the contact torsion spring 170 are respectively clamped in the first limit groove 171 and the second limit groove 172 of the N-wire moving contact 17. The contact torsion spring can increase the contact pressure of the N-line moving contact, so that the N-line moving contact can be reliably contacted with the N-line fixed contact, and the N-line moving contact is assembled with the contact frame in a clamping fit mode, thereby being beneficial to improving the assembly efficiency of the N-line moving contact and the contact frame.
The handle, the lock catch, the jump buckle and the contact frame are designed by adopting a four-bar structure, so that the balanced distribution of the operation moment of the electric leakage module can be ensured, the condition of excessive force or excessive light operation is avoided, and the operation is more flexible. The lock catch adopts a sliding type structural design, the handle drives the lock catch to slide through the connecting rod, and the lock catch drives the N-line movable contact frame to rapidly execute opening and closing actions through the U-shaped connecting rod, so that rapid opening and closing of the circuit breaker can be realized, and the opening and closing speed of the operating mechanism is higher. When the electric leakage is tripped, the cambered surface locking groove of the lock catch is buckled on the trip button, the electromagnetic trip unit and the bimetallic strip can respectively drive the trip button to act, the trip button can be quickly unlocked with the lock catch, the trip action is more sensitive, and the reliability is higher. Therefore, the leakage module of the miniature circuit breaker has the advantages of simple structure, stable and reliable performance, high opening and closing speed, flexible operation and sensitive tripping action.
Claims (7)
1. An electric leakage module of a small-sized electric leakage circuit breaker, which is characterized in that: including rotating the handle that sets up in the casing, sliding the hasp that sets up in the casing, rotate the setting in the casing and with the hasp locking jump knot, set up torsion spring, rotation setting up in the casing contact frame, set up the spring between contact frame and casing, with contact frame linkage complex N line moving contact, set up in the casing and with jump knot matched with electric leakage tripping device, the handle be connected with the hasp through the connecting rod, hasp one end be connected with the contact frame through the U type connecting rod, electric leakage tripping device include electromagnetic release, slide the setting in the casing and with electromagnetic release linkage complex gangbar, rotate the setting in the casing and with gangbar linkage complex catch bar, the gangbar on have the drive plane of conflict on one end of jumping to detain, the drive plane move and drive the action of jumping knot along with the gangbar, realize the unblock of jumping knot and hasp.
2. The leakage module of a miniature leakage circuit breaker according to claim 1, wherein: the other end of the lock catch is provided with an arc surface locking groove matched with the jump buckle, one end of the jump buckle is provided with an arc surface convex bearing surface matched with the arc surface locking groove, the arc surface locking groove rotates along with the lock catch and can be buckled on the arc surface convex bearing surface of the jump buckle, and the lock catch and the jump buckle are locked.
3. The leakage module of a small-sized leakage breaker according to claim 1 or 2, wherein: the handle on be provided with the pivot hole that is connected with the connecting rod, connecting rod one end alternate in the pivot downthehole, the hasp on be provided with connecting rod matched with drive hole, the connecting rod other end have pass the guiding hole of casing and connect the guide bar portion in the drive hole, the guide bar portion of connecting rod follow the handle action and in the reciprocating sliding of guiding hole.
4. The leakage module of a small-sized leakage breaker according to claim 1 or 2, wherein: one end of the linkage rod is provided with a guide part which is abutted against the push rod of the electromagnetic release, a guide groove matched with the guide part is formed in the shell, and the guide part moves along with the linkage rod and slides back and forth in the guide groove.
5. The leakage module of a miniature leakage circuit breaker of claim 4, wherein: the other end of the linkage rod is provided with a clamping hole, the pushing rod is provided with a clamping column matched with the clamping hole, and the clamping column is clamped in the clamping hole and is matched with the pushing rod in a clamping way.
6. The leakage module of a small-sized leakage breaker according to claim 1 or 2, wherein: the shell in be provided with the telescopic link matched with pivot, the telescopic link on be provided with pivot matched with locating hole, the pivot alternate in the locating hole, and constitute pivot and telescopic link's swivelling joint cooperation.
7. The leakage module of a small-sized leakage breaker according to claim 1 or 2, wherein: the contact torsion spring is arranged between the contact frame and the N-line moving contact, the contact torsion spring is clamped on a positioning boss of the contact frame, and two ends of the contact torsion spring are respectively clamped in a first limit groove and a second limit groove of the N-line moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074991.1U CN221008882U (en) | 2023-11-14 | 2023-11-14 | Leakage module of small leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074991.1U CN221008882U (en) | 2023-11-14 | 2023-11-14 | Leakage module of small leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221008882U true CN221008882U (en) | 2024-05-24 |
Family
ID=91091416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323074991.1U Active CN221008882U (en) | 2023-11-14 | 2023-11-14 | Leakage module of small leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221008882U (en) |
-
2023
- 2023-11-14 CN CN202323074991.1U patent/CN221008882U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109585233B (en) | Small-sized circuit breaker | |
| WO2020135398A1 (en) | Miniature circuit breaker | |
| CN109950103B (en) | Circuit breaker operating mechanism and circuit breaker | |
| CN109637907B (en) | Small-sized circuit breaker | |
| WO2021093874A1 (en) | Plug-in circuit breaker | |
| WO2020135386A1 (en) | Miniature circuit breaker | |
| CN113161211A (en) | Circuit breaker device | |
| WO2020135402A1 (en) | Compact circuit breaker | |
| CN217333964U (en) | Circuit breaker | |
| CN221008882U (en) | Leakage module of small leakage circuit breaker | |
| WO2021093877A1 (en) | Insertion type circuit breaker | |
| WO2020135410A1 (en) | Miniature circuit breaker | |
| CN117292992A (en) | Leakage module of small leakage circuit breaker | |
| CN210040100U (en) | Miniature circuit breaker operating device and miniature circuit breaker | |
| CN220933990U (en) | Operating mechanism of circuit breaker | |
| CN213184171U (en) | Hydraulic electromagnetic circuit breaker with double arc extinguish chambers | |
| AU2022310391A1 (en) | Quick tripping apparatus for circuit breaker | |
| CN220710214U (en) | Leakage protection module of small-sized leakage circuit breaker | |
| CN117292991A (en) | Operating mechanism of circuit breaker | |
| CN213816034U (en) | Miniature circuit breaker capable of quickly closing | |
| CN113078035A (en) | High-breaking miniature circuit breaker | |
| CN208908208U (en) | A kind of earth leakage protective device | |
| CN113539759A (en) | Breaker and 5G power distribution cabinet with same | |
| CN112289651A (en) | Novel contact system applied to miniature circuit breaker and application method thereof | |
| CN221101976U (en) | Switching-on/off indicating mechanism of leakage breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |