CN114068249B - Torsion spring type mounting mechanism for plug-in circuit breaker - Google Patents
Torsion spring type mounting mechanism for plug-in circuit breaker Download PDFInfo
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- CN114068249B CN114068249B CN202010741565.0A CN202010741565A CN114068249B CN 114068249 B CN114068249 B CN 114068249B CN 202010741565 A CN202010741565 A CN 202010741565A CN 114068249 B CN114068249 B CN 114068249B
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- circuit breaker
- unlocking
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- sliding
- spring
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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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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Abstract
一种插入式断路器的扭簧式安装机构，它包括插入式断路器(A)和机框(B)，其特征在于：还包括锁定机构(C)，所述锁定机构(C)能够对插入式断路器(A)进行锁定或解锁实现其对应的固定安装在所述机框(B)中或在机框(B)中抽插；弹性机构(D)自由状态时抵住所述锁定机构(C)对所述插入式断路器(A)进行锁定，解锁机构(E)能够压迫所述弹性机构(D)使所述锁定机构(C)提供驱动力从而实现对所述插入式断路器(A)进行解锁。通过安装机构实现断路器顺利稳定的安装于机框中；同时通过操作安装机构上的解锁机构，能够将断路器从机框中解锁，轻松地从机框中取出断路器，提高了断路器安装使用的便利性。
A torsion spring type installation mechanism for a plug-in circuit breaker, comprising a plug-in circuit breaker (A) and a frame (B), characterized in that: it also comprises a locking mechanism (C), the locking mechanism (C) can lock or unlock the plug-in circuit breaker (A) to achieve its corresponding fixed installation in the frame (B) or insertion and withdrawal in the frame (B); the elastic mechanism (D) is in a free state, presses against the locking mechanism (C) to lock the plug-in circuit breaker (A), and the unlocking mechanism (E) can compress the elastic mechanism (D) so that the locking mechanism (C) provides a driving force to unlock the plug-in circuit breaker (A). The installation mechanism is used to achieve smooth and stable installation of the circuit breaker in the frame; at the same time, by operating the unlocking mechanism on the installation mechanism, the circuit breaker can be unlocked from the frame, and the circuit breaker can be easily taken out of the frame, thereby improving the convenience of installation and use of the circuit breaker.
Description
Technical Field
The invention belongs to the technical field of piezoelectric devices, and particularly relates to a torsion spring type mounting mechanism of a plug-in circuit breaker.
Background
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 breaker is also called automatic switch, which is an electric appliance with manual switch function and automatic overload and short-circuit protection. The device can be used for distributing electric energy, protecting power supply circuits, electric equipment and the like, and can automatically cut off the circuits when serious overload or short circuit and other faults occur, the functions of the device are equivalent to the combination of a fuse type switch, a thermal relay and the like, and parts do not need to be changed after fault current is disconnected, so that the device has wide application.
The circuit breaker is divided into the following mounting modes: the plug-in circuit breaker has plug-in, fixed and drawer type, and the use of plug-in circuit breaker can effectively improve the security of electrical equipment service industry, along with the wide use of plug-in circuit breaker on various electrical equipment, in order to satisfy the installation needs of various different electrical equipment, the structure of plug-in circuit breaker also develops to various types, in the overall arrangement of current traditional circuit breaker product when mounted position, generally adopts elastic component clamping piece to lock the circuit breaker on the guide rail, if need the unblock take off the circuit breaker need rely on additional instrument, the operation is inconvenient.
The chinese patent of publication No. CN104167310a discloses a buckle mechanism of a piezoelectric device and a small-sized circuit breaker, which provides a buckle with an elastic part, the buckle fixes the circuit breaker on an installation guide rail under the action of the elastic part, and when the circuit breaker is taken down, a screwdriver is required to be inserted into a hole at the tail part of the clamping part, and the elasticity of the elastic part is overcome forcefully, so that the buckle and the guide rail are unlocked, and the circuit breaker can be taken down.
Disclosure of Invention
The invention aims at solving the technical defect that the prior plug-in circuit breaker needs to be unlocked by an additional tool to cause inconvenient operation, and provides a torsion spring type mounting mechanism of the plug-in circuit breaker, and the circuit breaker is smoothly and stably mounted in a frame through the mounting mechanism; meanwhile, the unlocking mechanism on the mounting mechanism is operated, so that the circuit breaker can be unlocked from the machine frame, and the circuit breaker can be easily taken out of the machine frame, so that the convenience in mounting and using the circuit breaker is improved.
Technical proposal
In order to achieve the technical purpose, the torsion spring type mounting mechanism of the plug-in circuit breaker provided by the invention comprises the plug-in circuit breaker and a frame, wherein the plug-in circuit breaker can be installed in the frame in a drawing and inserting manner, and is characterized in that: the locking mechanism can lock or unlock the plug-in circuit breaker to realize the corresponding fixed installation in the machine frame or the extraction and insertion in the machine frame;
The locking mechanism is linked with the elastic mechanism, the elastic mechanism props against the locking mechanism to lock the plug-in circuit breaker in a free state, the elastic mechanism is linked with the unlocking mechanism, and the unlocking mechanism E can press the elastic mechanism to enable the elastic mechanism to provide driving force for the locking mechanism so as to unlock the plug-in circuit breaker.
Further, the locking mechanism comprises a sliding block, the sliding block is located in a first sliding groove in the circuit breaker shell and can slide, one end of the sliding block can penetrate out or retract from an opening formed by the circuit breaker shell and the machine frame correspondingly, and the other end of the sliding block is linked with the elastic mechanism.
Further, the elastic mechanism is a torsion spring I, the torsion spring I comprises a mounting part, the mounting part extends out of the spring arm, the spring arm is inserted into a spring arm mounting hole on the sliding block, when the torsion spring is in a free state, the spring arm abuts against the upper hole wall of the spring arm mounting hole, and when the torsion spring I is pressed, the spring arm abuts against the lower hole wall of the spring arm mounting hole.
Further, the spring arm mounting hole is of a structure with a narrow middle and large openings at two sides.
Further, release mechanism includes the release, the release can slide in the spout on the circuit breaker casing, the head end of release is provided with the handle, the handle is located outside the circuit breaker casing, the tail end of release is equipped with the spring mounting groove, and the installation department clamps the spring mounting groove, release can oppress torsion spring one when sliding to circuit breaker casing outside end in spout two, can let torsion spring one atress release when sliding to circuit breaker casing inboard end in the release spout two.
Further, a travel limit groove is formed in the sliding block, and the travel limit groove is matched with the limit protrusion I on the circuit breaker shell to limit the sliding travel of the sliding block in the sliding groove I.
Further, a first limit part and a first limit step are arranged at the outer side end of the tail of the unlocking piece, and the first limit part and the first limit step correspond to a first bulge and a second bulge of the circuit breaker shell respectively and can limit the sliding stroke of the unlocking piece in a second chute.
Further, the mounting part stretches out 2 symmetrical spring arms, and the 2 spring arms are inserted into spring arm mounting holes on the sliding blocks corresponding to the upper side and the lower side of the circuit breaker shell.
In another embodiment of the present invention, the unlocking mechanism and the elastic mechanism are integrated, where the integrated unlocking mechanism and elastic mechanism includes an unlocking portion, the tail of the unlocking portion is connected with the elastic portion, the elastic portion stretches into the locking mechanism, the unlocking portion can slide in a chute III on the circuit breaker housing, and the unlocking portion can press or release the elastic portion in the sliding process of the chute III, so as to drive the locking mechanism to unlock or lock the plug-in circuit breaker.
In another embodiment of the present invention, the unlocking mechanism is linked with the operating mechanism, and the unlocking mechanism includes an unlocking linkage member capable of sliding in a fourth chute on the circuit breaker housing, the unlocking linkage member capable of pressing a second torsion spring when sliding in the fourth chute toward an inner end of the circuit breaker housing, and the unlocking linkage member capable of releasing the first torsion spring when sliding in the fourth chute toward an outer end of the circuit breaker housing.
Further, operating device includes operating handle, operating handle includes operating portion, pivot and transfer line, operating handle rotates through the pivot and is connected in the circuit breaker casing, and the tip and the unblock linkage of transfer line are connected, and operating handle drives under external force is used operating device rotates from promoting unblock linkage E2 oppression or release torsion spring two.
Further, the end part of the transmission rod is connected with the unlocking linkage piece through contact connection or shaft hole connection.
In one embodiment of the present invention, the end of the unlocking member is provided with an unlocking boss and a button, the button is mounted in a button slot of the circuit breaker housing and can slide, and the button can drive or disengage from the unlocking member in the sliding process of the button slot, so that the unlocking member presses or releases the torsion spring one.
Advantageous effects
The rotary disc type mounting mechanism for the plug-in circuit breaker operation provided by the invention realizes that the circuit breaker is smoothly and stably mounted in the machine frame, and when the locking piece is locked with the machine frame, the circuit breaker cannot be pulled out from the mounting machine frame; the breaker can be easily and conveniently taken out of the frame without tools by pressing the operating handle of the locking piece.
Drawings
FIG. 1 is a locked state diagram of embodiment 1 of the present invention;
FIG. 2 is an unlock state diagram of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of an unlocking member in embodiment 1 of the present invention;
FIG. 4 is a schematic view of a slider according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of the torsion spring I in embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the positions of the torsion spring I and the breaker housing in embodiment 1 of the present invention;
FIG. 7 is a locked state diagram of embodiment 2 of the present invention;
FIG. 8 is an unlock state diagram of embodiment 2 of the present invention;
FIG. 9 is a locked state diagram of embodiment 3 of the present invention;
FIG. 10 is an unlock state diagram of embodiment 3 of the present invention;
FIG. 11a is a diagram of a product of example 4 of the present invention;
FIG. 11b is a second diagram of the product of example 4 of the present invention;
FIG. 12a is a locked state diagram of embodiment 4 of the present invention;
fig. 12b is a schematic structural diagram of an unlocking member in embodiment 4 of the present invention;
FIG. 13 is an unlock state diagram of embodiment 4 of the present invention;
fig. 14 is a locked state diagram of embodiment 4 of the present invention when the plug-in circuit breaker is closed;
Detailed Description
The invention will be further described with reference to the drawings and examples.
The torsional spring type installation mechanism of the plug-in circuit breaker comprises a plug-in circuit breaker A and a machine frame B, wherein the plug-in circuit breaker A can be installed in the machine frame B in a drawing way, and the torsional spring type installation mechanism also comprises a locking mechanism C, and the locking mechanism C can lock or unlock the plug-in circuit breaker A to realize the corresponding fixed installation in the machine frame B or the drawing way in the machine frame B;
Example 1
As shown in fig. 1 and 2, the locking mechanism C is linked with the elastic mechanism D, and the elastic mechanism D is propped against the locking mechanism C to lock the plug-in circuit breaker a in a free state, and the elastic mechanism D is linked with the unlocking mechanism E, so that the unlocking mechanism E can press the elastic mechanism D to enable the elastic mechanism D to provide a driving force for the locking mechanism C, thereby unlocking the plug-in circuit breaker a.
The locking mechanism C comprises a sliding block C1, the sliding block C1 is positioned in a sliding groove C201 in the circuit breaker shell C2 and can slide, one end of the sliding block C1 can penetrate or retract from an opening C2B formed by the circuit breaker shell C2 and the machine frame B correspondingly, and the other end of the sliding block C1 is in linkage with the elastic mechanism D. As shown in fig. 4, the sliding block C1 is provided with a travel limit groove C1b, and the travel limit groove C1b cooperates with a limit protrusion C203 on the circuit breaker housing C2 to limit the sliding travel of the sliding block C1 in the sliding groove C201.
The elastic mechanism D is a torsion spring D1, as shown in fig. 5 and 6, the torsion spring D1 includes a mounting portion D1a, the mounting portion D1a extends out of the spring arm D1b, in this embodiment, the mounting portion D1a extends out of the symmetrical 2 spring arms D1b, and the 2 spring arms D1b are inserted into spring arm mounting holes C1a on the sliders C1 corresponding to the upper and lower sides of the circuit breaker housing C2. When the torsion spring D1 is in a free state, the spring arm D1b abuts against the upper hole wall of the spring arm mounting hole C1a, and when the torsion spring D1 is pressed, the spring arm D1b abuts against the lower hole wall of the spring arm mounting hole C1 a. The spring arm mounting hole C1a is of a structure with a narrow middle and large openings at two sides.
The unlocking mechanism E comprises an unlocking piece E1, the unlocking piece E1 is arranged in a second sliding groove C202 on the circuit breaker shell C2 and can slide, as shown in an attached figure 3, an operating handle E1a is arranged at the head end of the unlocking piece E1, the operating handle E1a is positioned outside the circuit breaker shell C2, a spring mounting groove E1b is arranged at the tail end of the unlocking piece E1, an installation part D1a is clamped in the spring mounting groove E1b and is limited in axial displacement, the unlocking piece E1 can press a first torsion spring D1 when sliding to the outer side end of the circuit breaker shell C2 in the second sliding groove C202, and the first torsion spring D1 can be released under force when sliding to the inner side end of the circuit breaker shell C2 in the second sliding groove C202 of the unlocking piece E1. The outer end of the tail of the unlocking piece E1 is provided with a first limiting part E1C and a first limiting step E1d, and the first limiting part E1C and the first limiting step E1d correspond to a first bulge C204 and a second bulge C205 of the circuit breaker shell C2 respectively and can limit the sliding stroke of the unlocking piece E1 in a second chute C202.
After the plug-in circuit breaker A is inserted into the frame B, the sliding block C1 moves in the chute C201 of the circuit breaker shell C2 under the action of the torsion spring D1, and penetrates out of the opening C2B formed by the circuit breaker shell C2 and the frame B correspondingly to be buckled with the frame B, and the plug-in circuit breaker A is pulled leftwards after buckling, so that the plug-in circuit breaker A cannot be taken out of the frame B; the unlocking piece E1 is moved leftwards by operating the operating handle E1a of the unlocking piece E1, the unlocking piece E1 and the breaker shell C2 are together used for pressing the torsion spring D1, the torsion spring D1 drives the sliding block C1, the sliding block C1 is retracted into the breaker shell C2 from the outer side surface of the opening part C2B and is unlocked with the machine frame B, after the limiting step E1D of the unlocking piece E1 is abutted against the protrusion C205, the unlocking piece E1 is continuously pulled leftwards, and the plug-in breaker A can be easily taken out from the machine frame B.
Example 2
In another embodiment of the present invention, as shown in fig. 7 and 8, the unlocking mechanism E and the elastic mechanism D are integrated, where the integrated unlocking mechanism E and the elastic mechanism D include an unlocking portion ED1, a tail portion of the unlocking portion ED is connected to an elastic portion ED2, the elastic portion ED2 extends into the locking mechanism C, the unlocking portion ED1 can slide in a chute three C206 on the circuit breaker housing C2, and the unlocking portion ED1 can press or release the elastic portion ED2 during the sliding process in the chute three C206, so as to drive the locking mechanism C to unlock or lock the plug-in circuit breaker a. Other structures are the same as those of embodiment 1.
Example 3
In yet another embodiment of the present invention, as shown in fig. 9 and 10, the unlocking mechanism E is linked with the operating mechanism F on the basis of embodiment 1, where the unlocking mechanism E includes an unlocking linkage E2 capable of sliding in a chute four C207 on the circuit breaker housing C2, the unlocking linkage E2 is capable of pressing the torsion spring two D1 'when sliding in the chute four C207 toward the inner end of the circuit breaker housing C2, and the unlocking linkage E is capable of releasing the torsion spring two D1' when sliding in the chute four C207 toward the outer end of the circuit breaker housing C2.
The operating mechanism F comprises an operating handle F1, the operating handle F1 comprises an operating part F1a, a rotating shaft F1b and a transmission rod F1C, the operating handle F1 is rotationally connected in the circuit breaker shell C2 through the rotating shaft F1b, the end part of the transmission rod F1C is connected with an unlocking linkage E2, and the operating handle F1 drives the operating mechanism F to rotate under the action of external force so as to push or release the torsion spring D1' from pushing the unlocking linkage E2.
The end of the transmission rod F1c is connected with the unlocking linkage E2 through contact connection or shaft hole connection.
Example 4
As shown in fig. 11a,11b,12a,12b,13 and 14, in an embodiment of the present invention, an unlocking boss E1E is provided at a head end of the unlocking member E1 in embodiment 1, and is linked with a button E1f, where the button E1f is installed in a button slot C2Ef of the circuit breaker housing C2 and is capable of sliding, and the button E1f can drive or disengage from the unlocking member E1 during sliding in the button slot C2Ef, so that the unlocking member E1 compresses or releases a torsion spring D1. Other structures and operation principles are the same as those of embodiment 1.
The structures, proportions, sizes, amounts and so forth shown in the drawings of the present embodiment are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes of the structures, proportions, or otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit and scope thereof. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (11)
1. The torsional spring type mounting mechanism of the plug-in circuit breaker comprises a plug-in circuit breaker (A) and a frame (B), wherein the plug-in circuit breaker (A) can be installed in the frame (B) in a drawing and inserting mode, and the torsional spring type mounting mechanism is characterized in that: the circuit breaker further comprises a locking mechanism (C), wherein the locking mechanism (C) can lock or unlock the plug-in circuit breaker (A) to realize corresponding fixed installation in the machine frame (B) or extraction and insertion in the machine frame (B);
The locking mechanism (C) is linked with the elastic mechanism (D), the elastic mechanism (D) props against the locking mechanism (C) to lock the plug-in circuit breaker (A) in a free state, the elastic mechanism (D) is linked with the unlocking mechanism (E), and the unlocking mechanism (E) can press the elastic mechanism (D) to enable the elastic mechanism (D) to provide driving force for the locking mechanism (C) so as to unlock the plug-in circuit breaker (A);
the locking mechanism (C) comprises a sliding block (C1), wherein the sliding block (C1) is positioned in a first sliding groove (C201) in the circuit breaker shell (C2) and can slide, one end of the sliding block can penetrate or retract from an opening (C2B) formed by the circuit breaker shell (C2) and the machine frame (B) correspondingly, and the other end of the sliding block is in linkage with the elastic mechanism (D);
The sliding block (C1) is provided with a travel limit groove (C1 b), and the travel limit groove (C1 b) is matched with a limit protrusion (C203) on the circuit breaker shell (C2) to limit the sliding travel of the sliding block (C1) in a sliding groove (C201).
2. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 1, wherein: the elastic mechanism (D) is a torsion spring I (D1), the torsion spring I (D1) comprises a mounting part (D1 a), the mounting part (D1 a) extends out of a spring arm (D1 b), the spring arm (D1 b) is inserted into a spring arm mounting hole (C1 a) on a sliding block (C1), when the torsion spring I (D1) is in a free state, the spring arm (D1 b) abuts against the upper hole wall of the spring arm mounting hole (C1 a), and when the torsion spring I (D1) is pressed, the spring arm (D1 b) abuts against the lower hole wall of the spring arm mounting hole (C1 a).
3. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 2, wherein: the spring arm mounting hole (C1 a) is of a structure with a narrow middle and large openings at two sides.
4. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 1, wherein: the unlocking mechanism (E) comprises an unlocking piece (E1), the unlocking piece (E1) is arranged in a second sliding groove (C202) on a circuit breaker shell (C2) and can slide, an operating handle (E1 a) is arranged at the head end of the unlocking piece (E1), the operating handle (E1 a) is located outside the circuit breaker shell (C2), a spring mounting groove (E1 b) is formed in the tail end of the unlocking piece (E1), a mounting part (D1 a) is clamped in the spring mounting groove (E1 b), the unlocking piece (E1) can press a first torsion spring (D1) when sliding to the outer side end of the circuit breaker shell (C2) in the second sliding groove (C202), and the first torsion spring (D1) can be released under the force when sliding to the inner side end of the circuit breaker shell (C2) in the second sliding groove (E1).
5. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 4, wherein: the unlocking piece (E1) is characterized in that a first limiting part (E1C) and a limiting step (E1 d) are arranged at the outer end of the tail part of the unlocking piece (E1), and the first limiting part (E1C) and the limiting step (E1 d) correspond to a first bulge (C204) and a second bulge (C205) of the circuit breaker shell (C2) respectively and can limit the sliding stroke of the unlocking piece (E1) in a second chute (C202).
6. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 2, wherein: the mounting part (D1 a) stretches out2 symmetrical spring arms (D1 b), and the 2 spring arms (D1 b) are inserted into spring arm mounting holes (C1 a) on sliding blocks (C1) corresponding to the upper side and the lower side of the circuit breaker shell (C2).
7. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 1, wherein: the unlocking mechanism (E) and the elastic mechanism (D) are integrated, the integrated unlocking mechanism (E) and the elastic mechanism (D) comprise an unlocking part (ED 1), the tail of the unlocking part (ED) is connected with an elastic part (ED 2), the elastic part (ED 2) stretches into a locking mechanism (C), the unlocking part (ED 1) can slide in a sliding groove III (C206) on a circuit breaker shell (C2), and the unlocking part (ED 1) can press or release the elastic part (ED 2) in the sliding process of the sliding groove III (C206) so as to drive the locking mechanism (C) to unlock or lock the plug-in circuit breaker (A).
8. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 1, wherein: the unlocking mechanism (E) is linked with the operating mechanism (F), the unlocking mechanism (E) comprises an unlocking linkage piece (E2) which can slide in a sliding groove four (C207) on the circuit breaker shell (C2), the unlocking linkage piece (E2) can press a torsion spring two (D1') when sliding towards the inner side end of the circuit breaker shell (C2) in the sliding groove four (C207), and the unlocking linkage piece (E2) can enable the torsion spring one (D1) to be released under the stress when sliding towards the outer side end of the circuit breaker shell (C2) in the sliding groove four (C207).
9. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 8, wherein: operating device (F) is including operating handle (F1), operating handle (F1) is including operating portion (F1 a), pivot (F1 b) and transfer line (F1C), operating handle (F1) is rotated through pivot (F1 b) and is connected in circuit breaker casing (C2), and the tip and the unblock linkage (E2) of transfer line (F1C) are connected, operating handle (F1) drive under external force used operating device (F) rotate from promoting unblock linkage (E2) oppression or release torsion spring two (D1').
10. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 9, wherein: the end part of the transmission rod (F1 c) is connected with the unlocking linkage piece (E2) through contact connection or shaft hole connection.
11. The torsional spring type mounting mechanism of a plug-in circuit breaker of claim 4, wherein: the head end of the unlocking piece (E1) is provided with an unlocking boss (E1E) and is linked with a button (E1 f), the button (E1 f) is arranged in a button groove (C2 Ef) of the circuit breaker shell (C2) and can slide, and the button (E1 f) can drive or separate from the unlocking piece (E1) in the sliding process of the button groove (C2 Ef) so as to enable the unlocking piece (E1) to press or release a torsion spring I (D1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010741565.0A CN114068249B (en) | 2020-07-29 | 2020-07-29 | Torsion spring type mounting mechanism for plug-in circuit breaker |
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| CN202010741565.0A CN114068249B (en) | 2020-07-29 | 2020-07-29 | Torsion spring type mounting mechanism for plug-in circuit breaker |
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| CN114068249A CN114068249A (en) | 2022-02-18 |
| CN114068249B true CN114068249B (en) | 2024-11-22 |
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| CN112582220B (en) * | 2019-09-27 | 2024-11-22 | 上海良信电器股份有限公司 | A rotary disc installation mechanism for plug-in circuit breaker |
| CN112582223B (en) * | 2019-09-27 | 2024-11-22 | 上海良信电器股份有限公司 | An inclined wedge installation mechanism for plug-in circuit breaker |
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| CN213242417U (en) * | 2020-07-29 | 2021-05-18 | 上海良信电器股份有限公司 | Torsional spring type mounting mechanism of plug-in circuit breaker |
| CN114068250A (en) * | 2020-07-29 | 2022-02-18 | 上海良信电器股份有限公司 | Oblique slider type mounting mechanism of plug-in circuit breaker |
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| JP4153155B2 (en) * | 2000-11-08 | 2008-09-17 | テンパール工業株式会社 | Circuit breaker mounting structure |
| CN107833799B (en) * | 2017-10-26 | 2024-09-20 | 上海良信电器股份有限公司 | A fixing and unlocking mechanism for plug-in circuit breaker |
| CN210575764U (en) * | 2019-09-27 | 2020-05-19 | 上海良信电器股份有限公司 | An installation mechanism for a plug-in circuit breaker |
| CN111446093B (en) * | 2020-04-30 | 2024-08-06 | 浙江天正电气股份有限公司 | Locking structure and circuit breaker with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213242417U (en) * | 2020-07-29 | 2021-05-18 | 上海良信电器股份有限公司 | Torsional spring type mounting mechanism of plug-in circuit breaker |
| CN114068250A (en) * | 2020-07-29 | 2022-02-18 | 上海良信电器股份有限公司 | Oblique slider type mounting mechanism of plug-in circuit breaker |
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