CN219226152U - Disconnecting switch with forced unlocking structure - Google Patents

Disconnecting switch with forced unlocking structure Download PDF

Info

Publication number
CN219226152U
CN219226152U CN202320836851.4U CN202320836851U CN219226152U CN 219226152 U CN219226152 U CN 219226152U CN 202320836851 U CN202320836851 U CN 202320836851U CN 219226152 U CN219226152 U CN 219226152U
Authority
CN
China
Prior art keywords
lock catch
piece
unlocking
unlocking button
shell
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
Application number
CN202320836851.4U
Other languages
Chinese (zh)
Inventor
葛世伟
詹丽英
陈丰飞
吴佳杭
金显将
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tengen Electric Co Ltd
Original Assignee
Zhejiang Tengen Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Tengen Electric Co Ltd filed Critical Zhejiang Tengen Electric Co Ltd
Priority to CN202320836851.4U priority Critical patent/CN219226152U/en
Application granted granted Critical
Publication of CN219226152U publication Critical patent/CN219226152U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Abstract

The utility model discloses an isolating switch with a forced unlocking structure, which comprises a shell and an operating mechanism arranged in the shell, wherein the shell is provided with a first locking mechanism and a second locking mechanism; the operating mechanism comprises a lock catch assembly and an actuating mechanism with an energy storage spring, when the actuating mechanism is in a closing state, the energy storage spring is in a deformation state, and the lock catch assembly is locked with the actuating mechanism to enable the actuating mechanism to be kept in the closing state; when the lock catch assembly is unlocked, the action mechanism is restored to the brake-separating state under the action force of the energy storage spring; the lock catch assembly is characterized by further comprising an unlocking button piece which can move relative to the shell, one end of the unlocking button piece is exposed out of the shell, and the other end of the unlocking button piece is used for directly or indirectly driving the lock catch assembly so as to unlock the action mechanism. The utility model has the effect of realizing the forced unlocking of the isolating switch and the like.

Description

Disconnecting switch with forced unlocking structure
Technical Field
The utility model relates to the technical field of low-voltage power, belongs to an isolating switch, and particularly relates to a forced unlocking structure of the isolating switch.
Background
With the continuous development of photovoltaic technology, the use of electrical switches in the photovoltaic field is becoming more and more frequent.
Rotary disconnectors have been developed rapidly in recent years as one of the electrical switches. The existing rotary isolating switch adopts an operating mechanism similar to a molded case circuit breaker, but the switch opening of the existing rotary isolating switch mainly depends on an operating knob of the isolating switch or an external shunt signal driver for opening, and other opening structures are often required in special occasions.
Therefore, it is difficult for the present disconnector to meet the above requirements.
Disclosure of Invention
In view of the above, the present utility model aims to overcome the defects in the prior art, and aims to provide a disconnecting switch with a forced unlocking structure, which can realize quick unlocking.
The utility model provides an isolating switch with a forced unlocking structure, which comprises a shell and an operating mechanism arranged in the shell, wherein the shell is provided with a first locking mechanism and a second locking mechanism; the operating mechanism comprises a lock catch assembly and an actuating mechanism with an energy storage spring, when the actuating mechanism is in a closing state, the energy storage spring is in a deformation state, and the lock catch assembly is locked with the actuating mechanism to enable the actuating mechanism to be kept in the closing state; when the lock catch assembly is unlocked, the action mechanism is restored to the brake-separating state under the action force of the energy storage spring; the lock catch assembly is characterized by further comprising an unlocking button piece which can move relative to the shell, one end of the unlocking button piece is exposed out of the shell, and the other end of the unlocking button piece is used for directly or indirectly driving the lock catch assembly so as to unlock the action mechanism.
When the operating mechanism is in a closing state, the energy storage spring of the operating mechanism is in a deformation state, and the lock catch assembly and the operating mechanism are in a locking state at the moment, so that the whole operating mechanism can be uniformly stressed and kept in the closing state. Through setting up the unlocking button spare, be located the one end outside the casing through external force drive unlocking button spare for the other end of unlocking button spare can drive the hasp subassembly motion, thereby breaks balanced state, makes actuating mechanism resume to the brake state (also drive isolator's switch unit layer brake separating simultaneously) at energy storage spring effort, and above-mentioned structure can realize isolator and force the effect of tripping under the combined floodgate state through setting up the unlocking button spare, in order to satisfy customer's relevant needs.
The unlocking device further comprises a resetting piece, wherein the resetting piece is used for driving the unlocking button piece to return.
The reset piece can be arranged to restore to the original position after the external force applied by the unlocking button piece is removed.
The locking assembly comprises a first lock catch and a second lock catch, and the second lock catch is propped against or clamped with the first lock catch so as to enable the action mechanism to be kept in a closing state; the unlocking button piece directly or indirectly moves to realize unlocking under the action of external force.
The adoption of the arrangement that the lock catch assembly comprises the first lock catch and the second lock catch is a scheme of better solution, and the implementation is convenient.
The second lock catch is rotatably arranged relative to the shell, a rotation center shaft of the second lock catch is perpendicular to the upper surface of the shell, and one end of the unlocking button piece is exposed out of the upper surface of the shell.
In order to reduce the overall size of the shell as much as possible, the second lock catch is arranged in such a way that the rotation direction of the second lock catch is prevented from overlapping with the height direction of the shell as much as possible, and if the rotation direction of the second lock catch overlaps with the height direction of the shell, the height size of the shell is increased.
The motion direction of the unlocking button piece is parallel to the axial direction of the rotation center shaft of the second lock catch, and a conversion structure is arranged between the unlocking button piece and the second lock catch and used for converting the force of the motion direction of the unlocking button piece into the force for pushing the second lock catch to rotate.
By adopting the structure, the second lock catch can be driven to rotate through the conversion structure, and the structure is simple and the operation is convenient.
The switching structure is a connecting piece for connecting the unlocking button piece with the second lock catch; or the conversion structure is a connecting piece which moves back and forth, the connecting piece faces the second lock catch under the action of the unlocking button piece and drives the second lock catch to move, and returns under the reverse movement of the second lock catch; or the conversion structure is a connecting piece and a biasing piece which reciprocate, the connecting piece faces the second lock catch under the action of the unlocking button piece and drives the second lock catch to move, and the connecting piece returns under the action of the biasing piece; or, the conversion structure is an inclined plane transmission structure, the abutting surface of the unlocking button piece and the second lock catch is an inclined plane, the inclined plane and the movement direction of the unlocking button piece are arranged at an included angle, and the direction of the force is converted through the inclined plane.
By adopting the structure, the connecting piece connecting the unlocking button piece with the second lock catch, or the connecting piece moving reciprocally, or the inclined plane transmission structure can effectively convert the motion force of the unlocking button piece in the vertical direction into the driving force of the unlocking button piece in the horizontal direction of the second lock catch, and the structure is simple and convenient to operate.
The unlocking button piece is arranged in a sliding mode or a rotating mode with the shell, and when the unlocking button piece moves under the action of external force, the unlocking button piece pushes or pulls the second lock catch to unlock the action mechanism.
By adopting the structure, the unlocking button can be directly pushed or pulled to move the second lock catch, so that unlocking is realized, and the structure is simple and the operation is convenient.
The action mechanism comprises a frame, a lever, a jump buckle, an upper connecting rod, a mechanism spring and a hinge shaft; the lever and the jump buckle are both rotationally connected with the frame, one end of the upper connecting rod is rotationally connected with the jump buckle, the other end of the upper connecting rod is connected with a hinge shaft, and the mechanism spring is connected between the hinge shaft and the lever; the jump buckle is provided with a clamping end matched with the first lock catch; when the actuating mechanism is in a closing state, the mechanism spring is in a deformation state, the jump buckle is clamped with the first lock catch, and the second lock catch is propped against or clamped with the first lock catch to enable the actuating mechanism to be kept in the closing state.
By adopting the structure, the operation of the isolating switch is realized by using the more mature operating mechanism of the molded case circuit breaker.
The device is characterized by further comprising a reset spring, wherein one end of the reset spring is propped against the first lock catch, and the other end of the reset spring is propped against the second lock catch and is used for providing reset force for the first lock catch and the second lock catch.
By adopting the structure, the first lock catch and the second lock catch can be reset simultaneously by utilizing one reset spring, which is more beneficial to simplifying the structure.
The release is used for driving the second lock catch to move to unlock when receiving a release signal given by the outside or when abnormal current occurs to a circuit protected by the isolating switch; the release is arranged on one side of the operating mechanism, the movement direction of the release rod of the release is parallel to the height direction of the operating mechanism, and the gravity center of the release is positioned below the rotation center of the second lock catch.
By adopting the structure, the remote brake opening of the isolating switch can be realized through the arrangement of the release, or when the conditions such as electric leakage, overload, short circuit and the like occur in a protection loop, the release is used for driving the isolating switch to open. Meanwhile, the setting mode of the release can enable the release and the operating mechanism to be more compact, saves the occupation of the space of the shell, is beneficial to reducing the size of the shell and is beneficial to the design of more miniaturization of products.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of the isolating switch structure of embodiment 1 of the present utility model;
FIG. 2 shows a cross-sectional view of the operating mechanism of embodiment 1 of the present utility model;
FIG. 3 is a schematic view showing the structure of an operating mechanism according to embodiment 1 of the present utility model;
FIG. 4 is a schematic diagram showing the relationship between the second lock and unlock buttons according to embodiment 1 of the present utility model;
FIG. 5 is a partial cross-sectional view of a second lock and unlock button of embodiment 1 of the present utility model;
fig. 6 shows a positional relationship diagram between an operating mechanism and a release according to embodiment 1 of the present utility model;
FIG. 7 shows a first variant of the second lock and unlock button according to embodiment 1 of the present utility model;
FIG. 8 shows a third variant of the second lock and unlock knob according to embodiment 1 of the present utility model;
FIG. 9 shows a second variant of the second lock and unlock knob according to embodiment 1 of the present utility model;
FIG. 10 is a diagram showing the relationship between the second lock and unlock buttons according to embodiment 2 of the present utility model;
fig. 11 is a diagram showing the relationship between the second lock and unlock buttons in embodiment 3 of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The contents of the above embodiments will be described below with reference to several preferred embodiments.
Example 1
As shown in fig. 1 to 6, an embodiment of the present utility model provides a disconnector comprising an operation unit layer and a plurality of switching unit layers P stacked under the operation unit layer. The operation unit is located above the switch unit layer P, and the operation unit drives the switch unit layer P to switch on and off, and the driving method and the switch unit layer P are already known and will not be described again.
The operation unit includes:
the shell 2, the shell 2 includes an upper cover 2a and a base 2b, and a mounting cavity is formed between the two. The upper cover 2a and the base 2b are fastened by bolts, and can be fastened and fixed by clamping.
An operating mechanism 1 and a release 6 are arranged in the installation cavity. The operating mechanism 1 comprises an actuating mechanism and a locking assembly, wherein the actuating mechanism comprises a frame 11, a jump button 12, a lever 17, an upper connecting rod 18, a mechanism spring 19 and a hinge shaft 20. The frame 11 is fixed in the installation cavity, and the fixing can be fastened by bolts or clamped. The jump button 12 and the lever 17 are both rotatably arranged with the frame 11; one end of the upper connecting rod 18 is rotatably connected with the jump button 12, and the other end is connected with the hinge shaft 20; both ends of the mechanism spring 19 are respectively connected with the lever 17 and the hinge shaft 20. The latch assembly comprises a first latch 13, a second latch 14 and a return spring 131, wherein the first latch 13 and the second latch 14 are also rotatably arranged with the frame 11. The return spring 131 is a torsion spring, one end of the return spring 131 abuts against the first lock catch 13, and the other end abuts against the second lock catch 14. The end of the jump button 12 adjacent to the first lock catch 13 is a clamping end, and in the process that the operating mechanism is switched from the opening to the closing, the jump button 12 and the first lock catch 13 are clamped (locked), and along with the continuous movement of the actuating mechanism (the mechanism spring 19 is continuously deformed), until the first lock catch 13 approaches the second lock catch 14, the jump button is propped against the first lock catch 13 or clamped with the first lock catch 13, so that the whole operating mechanism is stressed and balanced, and is kept in the closing state (the mechanism spring 19). When the second lock catch 14 rotates, the force of the operating mechanism is unbalanced, and the whole operating mechanism is restored to the opening state under the action of the mechanism spring 19.
Trip unit 6. Trip unit 6 is disposed on one side of frame 11 and adjacent to second latch 14. The center of gravity G of the release 6 is located below the center of rotation X of the second shackle 14, as seen in the height direction inside the installation cavity, while the direction of movement F of the release lever of the release 6 is parallel to the height H direction of the frame 11. The release 6 can drive the second lock catch 14 to move to unlock when receiving an external shunt release signal or abnormal current (such as leakage, overload and short circuit) of a protected circuit. Such a manner of driving the trip unit 6 by a signal is well known in the art of low voltage electricity and will not be described in detail herein.
The rotation center axis X of the second lock catch 14 is disposed perpendicular to the upper surface of the upper cover 2 a.
The unlocking knob 3 is slidably disposed with the upper cover 2a, and the sliding direction HD is parallel to the rotation center axis direction X of the second lock catch 14. A reset piece 4 can be further arranged between the unlocking button piece 3 and the upper cover 2a, the reset piece 4 can be of a structure of a spring, a torsion spring, a shrapnel and the like waiting for elasticity, and the unlocking button piece 3 can be driven to reset after the unlocking button piece 3 moves. The unlocking button 3 exposes one end on the surface of the upper cover 2a to be a driving end, one end of the unlocking button 3, which is positioned inside the shell 2, is a linkage end, one side of the linkage end is provided with an inclined surface 53, an included angle is formed between the inclined surface 53 and the movement direction of the unlocking button 3, and the second lock catch 14 is abutted on the inclined surface 53 when the unlocking button 3 slides, so that the movement force of the unlocking button 3 in the vertical direction is converted into the force of the rotation direction of the second lock catch 14 to drive the second lock catch 14 to unlock. In addition, the inclined surface 53 may be disposed on the second lock catch 14, so long as the contact surface between the unlocking button 3 and the second lock catch 14 is ensured to be the inclined surface 53, and corresponding transmission can be realized.
Of course, the switching structure 5 between the unlocking knob 3 and the second lock catch 14 can have the following modifications in addition to the above-mentioned bevel transmission modes:
as shown in fig. 7, in the first mode, the conversion structure 5 is a connecting piece 51, one end of the connecting piece 51 is connected with the unlocking button 3, the other end of the connecting piece 51 is connected with the second lock catch 14, and the unlocking button 3 moves to enable the connecting piece 51 to pull the second lock catch 14 to rotate, so that the effect can be achieved.
As shown in fig. 9, in the second mode, the conversion structure 5 is a connecting piece 51 capable of performing reciprocating motion, the connecting piece 51 is arranged between the unlocking button 3 and the second lock catch 14 in a swinging manner, the unlocking button 3 moves to drive the connecting piece 51 to swing towards the second lock catch 14 and push the second lock catch 14 to rotate, so that unlocking is achieved, and the resetting of the connecting piece 51 can be carried out by means of the second lock catch 14. In addition, the connecting piece 51 may be reset by additionally providing a biasing piece 52, and the biasing piece 52 may be a shrapnel, a spring, a torsion spring, or the like, by means of resetting the connecting piece 51 by the biasing piece 52.
As shown in fig. 8, in a third mode, the conversion structure 5 is a connecting piece 51 capable of performing reciprocating motion, the connecting piece 51 is slidably arranged between the unlocking button 3 and the second lock catch 14, the unlocking button 3 moves to drive the connecting piece 51 to slide towards the second lock catch 14 and push the second lock catch 14 to rotate, so that unlocking is achieved, and the connecting piece 51 can be reset by means of the second lock catch 14. In addition, the connecting piece 51 may be reset by additionally providing a biasing piece 52, and the biasing piece 52 may be a shrapnel, a spring, a torsion spring, or the like, by means of resetting the connecting piece 51 by the biasing piece 52.
Example 2
As shown in fig. 10, the present embodiment 2 is different from embodiment 1 in that the unlocking knob 3 and the upper cover 2a are slidably disposed, but the radial direction of the rotation center axis X of the second lock catch 14 in the sliding direction HD is parallel (or perpendicular) to the rotation center axis X. The unlocking button 3 is located at one end inside the shell 2 and is a linkage end, the linkage end is located at the rear end of the second lock catch 14, and the second lock catch 14 can be pushed to rotate through sliding of the unlocking button 3, so that unlocking of the second lock catch 14 is achieved. Of course, this pushing mode is replaced by a mode of pulling the second lock catch 14 to move.
Example 3
As shown in fig. 11, the difference between the embodiment 3 and the embodiment 2 is that the unlocking knob 3 and the upper cover 2a are rotatably disposed, and it can be understood that the unlocking knob 3 is a knob, and the rotation direction HD of the unlocking knob 3 is parallel to (or perpendicular to) the radial direction of the rotation center axis X of the second lock catch 14. The unlocking button 3 is located at one end inside the shell 2 and is a linkage end, the linkage end is located at the rear end of the second lock catch 14, and the second lock catch 14 can be pushed to rotate through rotation of the unlocking button 3, so that unlocking of the second lock catch 14 is achieved. Of course, this pushing mode is replaced by a mode of pulling the second lock catch 14 to move.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The isolating switch with the forced unlocking structure is characterized by comprising a shell (2) and an operating mechanism (1) arranged in the shell (2); the operating mechanism (1) comprises a lock catch assembly and an actuating mechanism with an energy storage spring, when the actuating mechanism is in a closing state, the energy storage spring is in a deformation state, and the lock catch assembly and the actuating mechanism are locked to enable the actuating mechanism to be kept in the closing state; when the lock catch assembly is unlocked, the action mechanism is restored to the brake-separating state under the action force of the energy storage spring; the method is characterized in that: the lock release mechanism further comprises an unlocking button piece (3) which can move relative to the shell (2), one end of the unlocking button piece (3) is exposed out of the shell (2), and the other end of the unlocking button piece is used for directly or indirectly driving the lock catch assembly to unlock the action mechanism.
2. The isolating switch with the forced unlocking structure according to claim 1, further comprising a reset piece (4), wherein the reset piece (4) is used for driving the unlocking button piece (3) to return.
3. The disconnecting switch with the forced unlocking structure according to claim 1, wherein the lock catch assembly comprises a first lock catch (13) and a second lock catch (14), and the second lock catch (14) is propped against or clamped with the first lock catch (13) so as to keep the action mechanism in a closing state; the unlocking button (3) moves directly or indirectly under the action of external force to unlock the second lock catch (14).
4. A disconnector with forced unlocking structure according to claim 3, characterized in that: the second lock catch (14) is arranged in a rotating mode relative to the shell (2), the rotation center shaft of the second lock catch (14) is perpendicular to the upper surface of the shell (2), and one end of the unlocking button piece (3) is exposed out of the upper surface of the shell (2).
5. The disconnecting switch with forced unlocking structure according to claim 4, wherein: the motion direction of the unlocking button piece (3) is parallel to the axial direction of the rotation center shaft of the second lock catch (14), and a conversion structure (5) is arranged between the unlocking button piece (3) and the second lock catch (14) and used for converting the force of the motion direction of the unlocking button piece (3) into the force for pushing the rotation direction of the second lock catch (14).
6. The disconnecting switch with forced unlocking structure according to claim 5, wherein: the switching structure is a connecting piece (51) for connecting the unlocking button piece (3) with the second lock catch (14); or, the conversion structure (5) is a connecting piece (51) which moves reciprocally, the connecting piece (51) faces the second lock catch (14) and drives the second lock catch to move under the action of the unlocking button piece (3), and the connecting piece returns under the reverse movement of the second lock catch (14); or, the conversion structure (5) is a connecting piece (51) and a biasing piece (52) which reciprocate, the connecting piece (51) faces the second lock catch (14) and drives the second lock catch to move under the action of the unlocking button piece (3), and returns under the action of the biasing piece (52); or, the conversion structure (5) is an inclined plane transmission structure, the abutting surface of the unlocking button piece (3) and the second lock catch (14) is an inclined plane (53), the inclined plane (53) and the movement direction of the unlocking button piece (3) are arranged at an included angle, and the direction of the force is converted through the inclined plane (53).
7. The disconnecting switch with forced unlocking structure according to claim 4, wherein: the motion direction of the unlocking button piece (3) is parallel to the radial direction of the rotation center shaft of the second lock catch (14), the unlocking button piece (3) and the shell (2) are in sliding arrangement or rotating arrangement, and when the unlocking button piece (3) moves under external force, the unlocking button piece (3) pushes or pulls the second lock catch (14) to unlock the actuating mechanism.
8. A disconnector with forced unlocking structure according to claim 3, characterized in that: the action mechanism comprises a frame (11), a lever (17), a jump buckle (12), an upper connecting rod (18), a mechanism spring (19) and a hinge shaft (20); the lever (17) and the jump button (12) are both in rotary connection with the frame (11), one end of the upper connecting rod (18) is in rotary connection with the jump button (12), the other end of the upper connecting rod (18) is connected with the hinge shaft (20), and the mechanism spring (19) is connected between the hinge shaft (20) and the lever (17); the jump buckle (12) is provided with a clamping end matched with the first lock catch (13); when the actuating mechanism is in a closing state, the mechanism spring (19) is in a deformation state, the jump buckle (12) is clamped with the first lock catch (13), and the second lock catch (14) is abutted against the first lock catch (13) or clamped with the first lock catch to enable the actuating mechanism to be kept in the closing state.
9. The isolating switch with a forced unlocking structure according to claim 8, wherein: the novel lock catch is characterized by further comprising a reset spring (131), wherein one end of the reset spring (131) is propped against the first lock catch (13), and the other end of the reset spring is propped against the second lock catch (14) and is used for providing reset force for the first lock catch (13) and the second lock catch (14).
10. A disconnector with forced unlocking structure according to claim 3, characterized in that: a release (6) is further arranged in the shell (2), and the release (6) is used for driving the second lock catch (14) to move to unlock when receiving a release signal given by the outside or when abnormal current occurs to a circuit protected by the isolating switch; the release (6) is arranged on one side of the operating mechanism (1), the movement direction of the release rod (61) of the release (6) is parallel to the height direction of the operating mechanism (1), and the gravity center of the release (6) is located below the rotation center of the second lock catch (14).
CN202320836851.4U 2023-04-14 2023-04-14 Disconnecting switch with forced unlocking structure Active CN219226152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320836851.4U CN219226152U (en) 2023-04-14 2023-04-14 Disconnecting switch with forced unlocking structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320836851.4U CN219226152U (en) 2023-04-14 2023-04-14 Disconnecting switch with forced unlocking structure

Publications (1)

Publication Number Publication Date
CN219226152U true CN219226152U (en) 2023-06-20

Family

ID=86752280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320836851.4U Active CN219226152U (en) 2023-04-14 2023-04-14 Disconnecting switch with forced unlocking structure

Country Status (1)

Country Link
CN (1) CN219226152U (en)

Similar Documents

Publication Publication Date Title
CN110265272A (en) A kind of small type circuit breaker operating mechanism and miniature circuit breaker
CN219226152U (en) Disconnecting switch with forced unlocking structure
CN210743891U (en) Leakage release for circuit breaker
CN214012817U (en) Locking mechanism and isolating switch
AU2003261668B2 (en) Drive mechanism for switching installation and method for operating it
CN212934505U (en) Operating mechanism assembly of molded case circuit breaker
EP3965131A1 (en) A low, medium or high voltage two or three position switch
CN210925916U (en) Electronic tripping device with alarm function
EP2681754B1 (en) An improved operating mechanism for circuit breaker
CN221226139U (en) Small-sized circuit breaker
CN219457434U (en) Operating mechanism and isolating switch
CN221226052U (en) Quick breaking system of isolating switch
CN217485382U (en) Operating mechanism and circuit breaker
CN219575537U (en) Free tripping structure for rotary isolating switch
CN219800734U (en) Rotary isolating switch
CN210608965U (en) Motor starter
CN210918582U (en) High-reliability safety lock
CN114649171B (en) Circuit breaker
CN219105947U (en) Switch device and electrical cabinet
CN113690108B (en) Double-energy-storage spring release and permanent magnet molded case circuit breaker
CN215644205U (en) Interlock, circuit breaker subassembly and cubical switchboard
CN219163308U (en) Circuit breaker
CN219106038U (en) Operating mechanism and circuit breaker
CN220233068U (en) Circuit breaker
CN115410877B (en) Switching device and power supply apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant