CN220509945U - Residual current molded case circuit breaker - Google Patents
Residual current molded case circuit breaker Download PDFInfo
- Publication number
- CN220509945U CN220509945U CN202322195787.9U CN202322195787U CN220509945U CN 220509945 U CN220509945 U CN 220509945U CN 202322195787 U CN202322195787 U CN 202322195787U CN 220509945 U CN220509945 U CN 220509945U
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- China
- Prior art keywords
- circuit breaker
- residual current
- case circuit
- molded case
- traction rod
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 22
- 238000001514 detection method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model provides a residual current molded case circuit breaker, which comprises a shell, wherein an operating mechanism for controlling opening and closing is arranged in the shell, a tripping component for driving the operating mechanism to open is arranged on the operating mechanism, a traction rod is arranged on one side of the tripping component, the traction rod can drive the tripping component to trip, and a test trip button for driving the traction rod to rotate is arranged on the shell.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a residual current molded case circuit breaker.
Background
The residual current molded case circuit breaker is a common protection device in an electric circuit and has overload, short circuit and leakage protection functions. When a person gets an electric shock or the leakage current of the power grid exceeds a preset value, the residual current molded case circuit breaker rapidly cuts off the circuit in an extremely short time, so that the safety of the person and circuit equipment is protected.
The current residual current molded case circuit breaker comprises a moving contact, a fixed contact, a traction rod and an operating mechanism for driving the moving contact to contact with and separate from the fixed contact, wherein the operating mechanism is provided with a tripping component, the traction rod can drive the tripping component to trip so that the operating mechanism is disconnected, the tripping component comprises a tripping buckle, a lock catch and a rebuckling, the tripping buckle and the rebuckling are respectively arranged at two sides of the lock catch, the rebuckling is driven by the traction rod, when the breaker is closed, the tripping buckle is abutted against the lock catch, the rebuckling is abutted against the traction rod, and when the breaker trips, the traction rod is triggered to release the rebuckling, the lock catch is released, and the lock catch releases the tripping buckle, so that the tripping is realized.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that an operating mechanism possibly jams and cannot be tripped in the product in the prior art, thereby providing the residual current molded case circuit breaker with the capability of detecting the tripping of the operating mechanism.
The utility model provides a residual current molded case circuit breaker, which comprises a shell, wherein an operating mechanism for controlling opening and closing is arranged in the shell, a tripping assembly for driving the operating mechanism to open and close is arranged on the operating mechanism, a traction rod is arranged on one side of the tripping assembly, the traction rod can drive the tripping assembly to trip, and a test trip button for driving the traction rod to rotate is arranged on the shell.
The test jump button is provided with a first main body part and an inserting rod which is arranged below the first main body part and used for driving the traction rod to rotate, the top of the shell is provided with a mounting groove used for mounting the first main body part, and the bottom of the mounting groove is provided with a perforation for the inserting rod to insert.
The upper sleeve of the inserted link is provided with a reset spring, one end of the reset spring is propped against the bottom of the first main body part, and the other end of the reset spring is propped against the bottom of the mounting groove.
The traction rod comprises a rotation shaft and a first driving plate which is arranged on the rotation shaft and can prop against the inserted link, and a plurality of second driving plates are further arranged on the rotation shaft.
Still be equipped with the electric leakage release in the casing, the electric leakage release includes the coil skeleton, the one end in the coil skeleton is equipped with quiet iron core, but be equipped with horizontal migration's movable iron core in the coil skeleton, movable iron core stretches out the one end of coil skeleton is equipped with the pull rod, the pull rod can drive the second drive plate rotates.
The pull rod comprises a second main body part and a bending part arranged at one end of the second main body part far away from the coil framework, wherein the bending part bends downwards, a stop block is arranged at one side of the bottom of the bending part towards the coil framework, the stop block can be propped against the second driving plate, and a slot through which the second main body part can pass is formed in the top of the second driving plate.
The tripping assembly comprises a lock catch, a jumping buckle and a rebuckling which are respectively arranged at two sides of the lock catch, the rebuckling is close to the traction rod, the rebuckling is provided with an extension part extending towards the traction rod, and the traction rod is provided with a driving block which can prop against the extension part and drive the rebuckling to rotate.
The technical scheme of the utility model has the following advantages:
1. the residual current molded case circuit breaker comprises a shell, wherein an operating mechanism for controlling opening and closing is arranged in the shell, a tripping component for driving the operating mechanism to open is arranged on the operating mechanism, a traction rod is arranged on one side of the tripping component, the traction rod can drive the tripping component to trip, a test trip button for driving the traction rod to rotate is arranged on the shell, the structure can detect the tripping capability of a product through the test trip button, the traction rod is driven through the test trip button during detection, then the traction rod drives the tripping component to trip, and finally the operating mechanism is opened, so that detection is completed, unqualified conditions in the product from delivery can be prevented, in addition, the circuit safety can be ensured through forced tripping through the test trip button under the condition that the product breaks down, and the safety of the product is greatly improved.
2. The residual current molded case circuit breaker provided by the utility model has the advantages that the test trip button is provided with the first main body part and the inserted link which is arranged below the first main body part and used for driving the traction link to rotate, the top of the shell is provided with the mounting groove for mounting the first main body part, and the bottom of the mounting groove is provided with the through hole for inserting the inserted link.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a residual current molded case circuit breaker of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;
FIG. 4 is a perspective view of the operating mechanism, drawbar, and leakage release;
FIG. 5 is a perspective view of the drawbar;
fig. 6 is a perspective view of the leakage release.
Reference numerals illustrate: 1. a housing; 11. a mounting groove; 12. perforating; 2. an operating mechanism; 3. a traction rod; 31. a rotating shaft; 32. a first driving plate; 33. a second driving plate; 34. a slot; 35. a driving block; 4. a test jump button; 41. a first body portion; 42. a rod; 43. a return spring; 5. a leakage release; 51. a coil bobbin; 52. a movable iron core; 53. a pull rod; 531. a second body portion; 532. a bending part; 533. a stop block; 54. a stationary core; 6. locking; 7. jumping buckle; 8. re-buckling; 81. an extension.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a residual current molded case circuit breaker, as shown in fig. 1, 2 and 4, which comprises a shell 1, an operating mechanism 2, a pull rod 3 tripping component, a test trip button 4 and a leakage release 5.
The casing 1, as shown in fig. 1-4, is equipped with the operating device 2 that is used for controlling the divide-shut brake in it, operating device 2 is last to have and is used for driving operating device 2 divides the tripping device of floodgate, one side of tripping device is equipped with the traction lever 3, the traction lever 3 can drive the tripping device is tripped, be equipped with on the casing 1 and be used for driving traction lever 3 pivoted test jump button 4, the top of casing 1 is equipped with mounting groove 11, the bottom of mounting groove 11 is equipped with perforation 12, the tripping device includes hasp 6 and divides to locate the jump 7 and the refastening 8 of hasp 6 both sides, the refastening 8 is close to traction lever 3 sets up, the refastening 8 has towards the extension 81 of traction lever 3 orientation extension.
It should be noted that, the jump button 7, the lock button 6 and the rebuckles 8 are the prior art, so the structure and the working principle thereof will not be described in detail.
The test trip button 4, as shown in fig. 1-3, has a first main body 41 and a plunger 42 disposed below the first main body 41 for driving the traction rod 3 to rotate, wherein the first main body 41 is installed in the installation groove 11, the plunger 42 can pass through the through hole 12, a return spring 43 is sleeved on the plunger 42, one end of the return spring 43 abuts against the bottom of the first main body 41, and the other end abuts against the bottom of the installation groove 11.
The traction rod 3, as shown in fig. 4 and 5, comprises a rotation shaft 31, and a first driving plate 32 arranged on the rotation shaft 31 and capable of propping against the inserted link 42, wherein a second driving plate 33 is further arranged on the rotation shaft 31, and a slot 34 is arranged at the top of the second driving plate 33.
The leakage release 5 is shown in fig. 4 and 6 to be disposed in the housing 1, the leakage release 5 includes a coil skeleton 51, a static iron core 54 is disposed at one end in the coil skeleton 51, a movable iron core 52 capable of moving horizontally is disposed in the coil skeleton 51, a pull rod 53 is disposed at one end of the movable iron core 52 extending out of the coil skeleton 51, the pull rod 53 can drive the second driving plate 33 to rotate, the pull rod 53 includes a second main body portion 531, and a bending portion 532 disposed at one end of the second main body portion 531 away from the coil skeleton 51, the bending portion 532 is bent downward, a stop 533 is disposed at one side of the bottom of the bending portion 532 towards the coil skeleton 51, the stop 533 can be abutted against the second driving plate 33, and the second main body portion 531 passes through the slot 34.
The utility model provides a residual current molded case circuit breaker, which comprises a shell 1, wherein an operating mechanism 2 for controlling opening and closing is arranged in the shell, a tripping component for driving the operating mechanism 2 to open is arranged on the operating mechanism 2, a traction rod 3 is arranged on one side of the tripping component, the traction rod 3 can drive the tripping component to trip, a test trip button 4 for driving the traction rod 3 to rotate is arranged on the shell 1, the tripping capability of a product can be detected through the test trip button 4, the traction rod 3 is driven through the test trip button 4 during detection, then the traction rod 3 drives the tripping component to trip, and finally the operating mechanism is opened, so that the detection is completed, the condition that unqualified products exist in a factory product can be prevented, in addition, the safety of the product can be guaranteed through forced tripping of the test trip button 4 under the condition that the product breaks down, and the safety of the product is greatly improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (7)
1. The utility model provides a residual current moulded case circuit breaker, its characterized in that includes casing (1), is equipped with operating device (2) that are used for controlling the divide-shut brake in it, operating device (2) are last to have and to be used for the drive operating device (2) the tripping device of separating brake, one side of tripping device is equipped with pull rod (3), pull rod (3) can drive tripping device tripping, be equipped with on casing (1) and be used for the drive pull rod (3) pivoted test trip button (4).
2. Residual current molded case circuit breaker according to claim 1, characterized in that the test trip button (4) has a first body part (41) and a plunger (42) provided below the first body part (41) for driving the traction rod (3) to rotate, the top of the housing (1) has a mounting groove (11) for mounting the first body part (41), and the bottom of the mounting groove (11) is provided with a through hole (12) into which the plunger (42) can be inserted.
3. The residual current molded case circuit breaker according to claim 2, wherein a return spring (43) is sleeved on the plunger (42), one end of the return spring (43) abuts against the bottom of the first main body part (41), and the other end abuts against the bottom of the mounting groove (11).
4. A residual current molded case circuit breaker according to claim 3, wherein the traction rod (3) comprises a rotation shaft (31), and a first driving plate (32) arranged on the rotation shaft (31) and capable of being abutted against the inserted rod (42), and a second driving plate (33) is further arranged on the rotation shaft (31).
5. The residual current molded case circuit breaker according to claim 4, wherein a leakage release (5) is further arranged in the housing (1), the leakage release (5) comprises a coil framework (51), a static iron core (54) is arranged at one end in the coil framework (51), a movable iron core (52) capable of horizontally moving is arranged in the coil framework (51), a pull rod (53) is arranged at one end, extending out of the coil framework (51), of the movable iron core (52), and the pull rod (53) can drive the second driving plate (33) to rotate.
6. The residual current molded case circuit breaker according to claim 5, wherein the pull rod (53) comprises a second main body portion (531), and a bending portion (532) arranged at one end of the second main body portion (531) far away from the coil frame (51), the bending portion (532) is bent downwards, a stop block (533) is arranged at the bottom of the bending portion (532) towards one side of the coil frame (51), the stop block (533) can abut against the second driving plate (33), and a slot (34) through which the second main body portion (531) can pass is arranged at the top of the second driving plate (33).
7. The residual current molded case circuit breaker according to claim 1, wherein the trip assembly comprises a lock catch (6) and a trip button (7) and a rebuckle (8) which are respectively arranged at two sides of the lock catch (6), the rebuckle (8) is arranged close to the traction rod (3), the rebuckle (8) is provided with an extension part (81) extending towards the traction rod (3), and the traction rod (3) is provided with a driving block (35) which can be propped against the extension part (81) and drives the rebuckle (8) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195787.9U CN220509945U (en) | 2023-08-15 | 2023-08-15 | Residual current molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195787.9U CN220509945U (en) | 2023-08-15 | 2023-08-15 | Residual current molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509945U true CN220509945U (en) | 2024-02-20 |
Family
ID=89865354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322195787.9U Active CN220509945U (en) | 2023-08-15 | 2023-08-15 | Residual current molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509945U (en) |
-
2023
- 2023-08-15 CN CN202322195787.9U patent/CN220509945U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |