CN213877988U - Manual operation mechanism and molded case circuit breaker - Google Patents
Manual operation mechanism and molded case circuit breaker Download PDFInfo
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- CN213877988U CN213877988U CN202022246833.XU CN202022246833U CN213877988U CN 213877988 U CN213877988 U CN 213877988U CN 202022246833 U CN202022246833 U CN 202022246833U CN 213877988 U CN213877988 U CN 213877988U
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Abstract
The utility model provides a manually operation mechanism and moulded case circuit breaker. The manual operating mechanism of the utility model is arranged outside the shell of the switch product and can control the opening and closing of the switch product, and comprises a bracket mechanism and a handle; one end of the bracket mechanism is arranged outside the shell of the switch product, and the handle is pivotally connected to the other end of the bracket mechanism; the gimbal mechanism is including can restricting handle pivoted locking structure, and the handle is followed perpendicular to handle pivoted planar direction action, locking structure unblock, and the divide-shut brake of handle can the rotation control switch product, the utility model discloses manual operation mechanism sets up the locking structure, prevents user's maloperation, improves product security performance. The utility model discloses moulded case circuit breaker includes foretell manually operation mechanism, prevents user's maloperation, improves product security performance.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, in particular to manually operation mechanism and moulded case circuit breaker.
Background
The manual operating mechanism of the circuit breaker that uses at present is mostly used for the operation outside the cabinet, does not have the handle that is used for the interior operation of cabinet specially when installing, test, maintenance and other need carry out interior switching-on operation of cabinet, does not have professional's instruction or other circumstances to lead to taking place the mistake very easily under the maloperation condition and close a floodgate even electrocute accident. The safety performance of a manual operating mechanism of the existing circuit breaker is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's defect, manually operation mechanism sets up and has and prevents unconscious operation locking structure, and the risk that maloperation that can greatly reduced leads to because non-professional and other circumstances appears improves product security.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a manual operating mechanism which is arranged outside a shell of a switch product and can control the opening and closing of the switch product, and comprises a bracket mechanism and a handle; one end of the bracket mechanism is arranged outside the shell of the switch product, and the handle is pivotally connected to the other end of the bracket mechanism;
the support mechanism comprises a locking structure capable of limiting the handle to rotate, the handle acts in the direction perpendicular to the rotating plane of the handle, the locking structure is unlocked, and the handle can rotate to control the opening and closing of the switch product.
Preferably, the support mechanism comprises a spring, a support and a mounting middle shaft which is inserted and mounted on the support, the spring is sleeved at one end of the mounting middle shaft, the other end of the mounting middle shaft extends out of the support, and the other end of the mounting middle shaft is mounted and matched with the handle;
the locking structure comprises a support clamping plate and a limiting groove formed in one side of the support, the support clamping plate is installed on the installation center shaft, one end of the support clamping plate extends into the limiting groove, the support clamping plate is located at one end of a spring, a handle moves downwards to push a support clamping plate compression spring to move downwards, the support clamping plate and the limiting groove are unlocked, and the handle rotates and drives the installation center shaft to rotate and control the opening and closing of the switch product.
Preferably, the support clamping plate is provided with a limiting protrusion protruding towards one side of the limiting groove, and the limiting groove comprises a locking groove matched with the limiting protrusion in a locking manner;
the limiting groove further comprises an unlocking groove b on one side of the locking groove, the unlocking groove b is communicated with the locking groove, the handle moves downwards along the direction of the compression spring, the limiting protrusion moves to the unlocking groove b from the locking groove, and the locking structure is unlocked.
Preferably, a bracket baffle is arranged on one side of the bracket, and the limiting groove is formed in the bracket baffle.
Preferably, the bracket is provided with a fixing hole, and the bracket is fixed outside the shell of the switch product through the fixing hole.
Preferably, the bracket is in a zigzag structure; including U type body and the fixed ear of perpendicular to U type body both ends outside extension, the fixed orifices is located fixed ear is last.
Preferably, the handle comprises a handle housing, a support and a handle portion;
the supporting piece is arranged in the handle shell, the middle part of the supporting piece is connected with the other end of the mounting middle shaft, and the handle part is arranged on the supporting piece.
Preferably, the bracket mechanism further comprises a first shaft sleeve, a second shaft sleeve and a third shaft sleeve;
the third shaft sleeve, the handle, the support, the second shaft sleeve, the support clamping plate and the first shaft sleeve are sequentially sleeved on the mounting middle shaft, and the lower end of the first shaft sleeve is abutted to the spring.
Preferably, the support mechanism further comprises a linkage mechanism;
the linkage mechanism comprises a drive plate and a sliding plate which are in linkage connection, the sliding plate is slidably mounted on the linkage support, the sliding plate is in linkage fit with an operating handle of a switch product, the drive plate is eccentrically connected to one end of a mounting central shaft, and the mounting central shaft rotates to drive the drive plate to rotate to drive the sliding plate to linearly move so as to drive the operating handle to switch on and off;
the sliding plate is provided with a driving protrusion protruding towards the driving plate, the driving plate is provided with a driving groove in linkage fit with the driving protrusion, the sliding plate is provided with a linkage hole, and an operating handle of a switch product extends into the linkage hole.
The utility model also provides a moulded case circuit breaker, including foretell manually-operated mechanism, moulded case circuit breaker's casing one side is equipped with operating handle, manually-operated mechanism's gimbal mechanism still includes link gear, and link gear fixed connection is in the centraxonial one end of installation, and link gear is connected with operating handle, and the handle rotates the divide-shut brake that drives the operating handle of installation axis rotation.
The manual operating mechanism of the utility model is arranged outside the shell of the switch product and can control the opening and closing of the switch product, and comprises a bracket mechanism and a handle; one end of the bracket mechanism is arranged outside the shell of the switch product, and the handle is pivotally connected to the other end of the bracket mechanism; the gimbal mechanism is including can restricting handle pivoted locking structure, and the handle is along the outside direction action of casing of perpendicular to switch product, locking structure unblock, and the handle can rotate the divide-shut brake of control switch product, the utility model discloses manual operation mechanism sets up and has the locking structure that prevents unconscious operation, can greatly reduced because the risk that the maloperation that non-professional and other circumstances lead to appears improves product security performance.
Drawings
Fig. 1 is a schematic structural view of the manual operating mechanism of the present invention;
fig. 2 is an exploded view of the manual operating mechanism of the present invention;
fig. 3 is an operation schematic diagram of the manual operation mechanism of the present invention;
fig. 4 is a schematic structural view of the handle of the manual operating mechanism of the present invention.
Detailed Description
The following further describes specific embodiments of the handle operating mechanism and the molded case circuit breaker according to the present invention with reference to the embodiments shown in fig. 1 to 4. The handle operating mechanism and the molded case circuit breaker of the present invention are not limited to the description of the following embodiments.
Below take moulded case circuit breaker as an example, right the utility model discloses manual operation mechanism explains, this application manual operation mechanism is not limited to and is applied to moulded case circuit breaker, still usable manual operation product in being applied to other cabinets.
As shown in fig. 1-3, the present invention further provides a molded case circuit breaker, which comprises a manual operating mechanism, wherein an operating handle 7 of the circuit breaker is arranged on one side of a housing of the molded case circuit breaker, the manual operating mechanism is installed outside the housing of the molded case circuit breaker and is located on one side of the molded case circuit breaker where the operating handle 7 is arranged, and the manual operating mechanism comprises a support mechanism 1 and a handle 2; one end of the bracket mechanism 1 is arranged outside a shell of a switch product, and the handle 2 is pivotally connected to the other end of the bracket mechanism 1; the support mechanism 1 further comprises a linkage mechanism 1a, the linkage mechanism 1a is fixedly connected to one end of the mounting middle shaft 130, the linkage mechanism 1a is connected with the operating handle 7, the handle 2 rotates to drive the mounting middle shaft 130 to rotate to drive the sliding plate 11a to move linearly, and the sliding plate 11a drives the switching-on and switching-off of the operating handle 7. The rotating handle 2 drives the mounting middle shaft 130 to rotate, and the linkage mechanism 1a drives the switching-on and switching-off of the operating handle 7, so as to drive the switching-on and switching-off of the molded case circuit breaker.
Specifically, as shown in fig. 3, the linkage mechanism 1a of the present invention includes a driving plate 12a and a sliding plate 11a which are linked together. The sliding plate 11a is slidably mounted on the linkage support 11, the sliding plate 11a is in linkage fit with the operating handle 7 of the switch product, the driving plate 12a is eccentrically connected to one end of the mounting middle shaft 130, and the mounting middle shaft 130 rotates to drive the driving plate 12a to rotate to drive the sliding plate 11a to linearly move, so that the operating handle 7 is driven to be switched on and off; the sliding plate 11a is provided with a driving protrusion 112a protruding towards the driving plate 12a, the driving plate 12a is provided with an elongated driving groove 121a cooperating with the driving protrusion 112a, the sliding plate 11a is provided with a linkage hole 111a, and the operating handle 7 of the switch product extends into the linkage hole 111 a. The linkage support 11 is fixedly installed on a shell of the molded case circuit breaker, a sliding guide groove is formed in the linkage support 11, and the sliding plate 11a is installed on the sliding guide groove through a sliding shaft pin and moves linearly through the matching of the sliding shaft pin and the sliding guide groove to drive the operating handle 7 of the circuit breaker. The rotating handle 2 drives the mounting middle shaft 130 to rotate, and further drives the driving plate 12a to rotate, the driving protrusion 112a of the driving sliding plate 11a reciprocates in the elongated driving groove 121a, and further drives the sliding plate 11a to linearly move along the sliding guide groove, and the sliding plate 11a moves to drive the operating handle 7 to switch on and off through the linkage hole 111 a.
As shown in fig. 1, the manual operating mechanism is provided with a fixing hole 19, and the manual operating mechanism is fixed to the outside of the housing of the switch product through the fixing hole 19. The utility model discloses manual operation mechanism installs in the casing of switch product outside through fixed orifices 19, and is simple to handle, and the space of the switch product side that occupies simultaneously is little, then does not occupy the space of switch side to big chassis circuit breaker, and does not need trompil installing support in the cabinet for it is all more convenient to install and use. As shown in fig. 1, the manual operating mechanism is provided with a fixing hole 19, and is fixed outside the housing of the switch product by a screw.
As shown in fig. 1-4, the utility model provides a manual operating mechanism, which is installed outside the shell of a switch product and can control the opening and closing of the switch product, and comprises a bracket mechanism 1 and a handle 2; one end of the bracket mechanism 1 is arranged outside a shell of a switch product, and the handle 2 is pivotally connected to the other end of the bracket mechanism 1; the support mechanism 1 comprises a locking structure capable of limiting the handle 2 to rotate, the handle 2 acts in the direction perpendicular to the rotating plane of the handle 2, the locking structure is unlocked, and the handle 2 can rotate to control the opening and closing of a switch product.
The manual operating mechanism of the utility model is arranged outside the shell of the switch product and can control the opening and closing of the switch product, and comprises a bracket mechanism and a handle; one end of the bracket mechanism is arranged outside the shell of the switch product, and the handle is pivotally connected to the other end of the bracket mechanism; the gimbal mechanism is including can restricting handle pivoted locking structure, and the handle is along the outside direction action of casing of perpendicular to switch product, locking structure unblock, and the handle can rotate the divide-shut brake of control switch product, the utility model discloses manual operation mechanism sets up and has the locking structure that prevents unconscious operation, can greatly reduced because the risk that the maloperation that non-professional and other circumstances lead to appears improves product security performance.
As shown in fig. 1 and 2, the bracket mechanism 1 of the present invention includes a spring 12, a bracket 13 and a middle shaft 130 installed on the bracket 13 in an alternating manner, and the bracket mechanism 1 further includes a first shaft sleeve 14, a second shaft sleeve 17 and a third shaft sleeve 6. The third shaft sleeve 6, the handle 2, the bracket 13, the second shaft sleeve 17, the bracket clamping plate 18 and the first shaft sleeve 14 are sequentially sleeved on the mounting middle shaft 130, one end of the spring 12 abuts against the linkage mechanism 1a, and the lower end of the first shaft sleeve 14 abuts against the spring 12. The spring 12 is sleeved at one end of the mounting middle shaft 130, the other end of the mounting middle shaft 130 extends out of the bracket 13, and the other end of the mounting middle shaft 130 is matched with the handle 2. The bracket mechanism 1 further comprises a screw 15, and the second shaft sleeve 14 is mounted on the mounting middle shaft 130 through the screw 15. When the support mechanism 1 is installed, the linkage mechanism 1a is fixed at one end of the installation center shaft 130, then the third shaft sleeve 6, the handle 2, the support 13, the second shaft sleeve 17, the support clamping plate 18 and the first shaft sleeve 14 are sequentially sleeved on the installation center shaft 130, the handle 2 moves downwards to drive the support clamping plate 18 to compress the spring 12 downwards, after the force application to the compression spring is stopped, the spring 12 resets, and the third shaft sleeve 6 prevents the handle 2 from falling off. The third bushing 6 and the first bushing 14 may have the same structure.
As shown in fig. 1-3, the utility model discloses the locking structure includes the spacing groove 131 that support cardboard 18 and support 13 one side set up, support cardboard 18 is installed in installation epaxial 130, the one end of support cardboard 18 stretches into spacing groove 131, support cardboard 18 is located the one end of spring 12, spring 12 drive support cardboard 18 resets and makes it stretch into spacing groove 131 internal locking, handle 2 downstream, promote support cardboard 18 compression spring 12 downstream, support cardboard 18 and spacing groove 131 unblock, the divide-shut brake of shaft 130 rotation control switch product in the 2 rotation drive installations of handle.
Specifically, as shown in fig. 1 and 2, the bracket clamping plate 18 of the present invention is provided with a limiting protrusion 181 protruding toward one side of the limiting groove 131, and the limiting groove 131 includes a locking groove 131a in locking fit with the limiting protrusion 181; the limiting groove 131 further comprises an unlocking groove 131b located on one side below the locking groove 131a, the unlocking groove 131b is communicated with the locking groove 131a and is arranged along the direction of the compression spring 12, the handle 2 moves downwards, the limiting protrusion 181 moves from the locking groove 131a to the unlocking groove 131b, and the locking structure is unlocked. The area of the unlocking groove 131b is larger than that of the locking groove 131a, the locking groove 131a is matched with the limiting protrusion 181 in size and is used for limiting the support clamping plate 18, and the area of the unlocking groove 131b is larger than that of the limiting protrusion 181, so that the locking structure is unlocked. When the user needs operating handle 2, need press handle 2 downwards, spacing arch 181 moves to unlocking groove 131b from locking groove 131a, and the locking structure unblock back just can rotate the divide-shut brake of handle 2 regulating switch product.
As shown in fig. 1-3, the bracket 13 is in a zigzag structure; comprises a U-shaped body 134 and fixing lugs 135 which are perpendicular to the two ends of the U-shaped body 134 and extend outwards, and the fixing holes 19 are arranged on the fixing lugs 135. As shown in fig. 1 and 2, a bracket baffle 132 is disposed on one side of the bracket 13, and the limiting groove 131 is disposed on the bracket baffle 132. The bracket baffle 132 is connected with the side edge of the bottom wall of the U-shaped body 134 and is positioned between the side edges of the two side walls of the U-shaped body 134; of course, the bracket baffle 132 may be connected to the side edges of the two side walls of the U-shaped body 134, and not connected to the side edges of the bottom wall of the U-shaped body 134. The bracket 13 is provided with a fixing hole 19, the bracket 13 is fixed outside the casing of the switch product through the fixing hole 19, and in this embodiment, the bracket 13 is fixed on the linkage bracket 11, and certainly, the bracket 13 may also be fixed on the casing of the molded case circuit breaker. As shown in the drawings, the bracket 13 is fixed to the outside of the housing of the switch product by four screws, and in the embodiment of the present application, the fixing manner of the bracket 13 and the switch product is not limited, and may also be a fixing manner such as snap fixing or adhesion, and the number of screws is not limited, and may be set to other numbers according to actual situations. When installed, the screw passes through the fixing hole 19 of the fixing lug 135 to fix the manual operating mechanism to the outside of the case of the molded case circuit breaker.
As shown in fig. 4, the structure of the handle 2 of the present invention is schematically illustrated. The handle 2 comprises a handle housing 21, a support 22 and a shank 24; the supporting member 22 is installed in the handle housing 21, the middle portion of the supporting member 22 is connected to the other end of the installation center shaft 130, and the shank 24 is installed on the supporting member 22. The shank 24 is fixedly mounted to the support member 22 by screws. The utility model discloses handle 2's simple structure is compact.
The installation manner of the manual operating mechanism of the present invention is described below with reference to fig. 1 to 3.
When the manual operating mechanism is installed, the linkage mechanism 1a is fixed at one end of the installation center shaft 130, then the third shaft sleeve 6, the handle 2, the support 13, the second shaft sleeve 17, the support clamping plate 18 and the first shaft sleeve 14 are sequentially sleeved on the installation center shaft 130, the handle 2 moves downwards to drive the support clamping plate 18 to compress the spring downwards, and after the force application to the compression spring is stopped, the spring 12 resets.
And after the manual operating mechanism is installed, the manual operating mechanism is installed on the molded case circuit breaker. The screw passes through the fixing hole 19 on the fixing lug 135 to fix the manual operating mechanism outside the shell of the molded case circuit breaker, and the linkage mechanism 1a is in linkage fit with the operating handle 7 of the molded case circuit breaker. The utility model discloses manual operation mechanism installs in the casing of switch product outside through fixed orifices 19, and is simple to handle, and the space of the switch product side that occupies simultaneously is little, then does not occupy the space of switch side to big chassis circuit breaker, and does not need trompil installing support in the cabinet for it is all more convenient to install and use.
The working principle of the manual operating mechanism of the present invention is described below with reference to fig. 1 to 3.
When the moulded case circuit breaker is required to be operated to close and open the brake, the handle 2 is pressed downwards, the limiting protrusion 181 moves to the unlocking groove 131b from the locking groove 131a, and after the locking structure is unlocked, the handle 2 is rotated anticlockwise to adjust the closing and open of the switch product. The utility model discloses manual operation mechanism sets up and has the locking structure of preventing unconscious operation, and the risk that the maloperation that can greatly reduced leads to because non-professional personage and other circumstances appears improves product security performance.
If do not push down handle 2, because spacing arch 181 of support cardboard 18 is located the locking groove 131a of spacing groove 131, locking groove 131a stops to the spacing arch 181 of support cardboard 18 this moment and makes handle 2 can not rotate, and manual operation mechanism can not drive moulded case circuit breaker and carry out the divide-shut brake operation, just can carry out normal divide-shut brake operation to moulded case circuit breaker after pushing down handle 2 such conscious unblock action before rotating.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a manual operation mechanism installs in the casing outside of switch product, can control switch product divide-shut brake, its characterized in that: comprises a bracket mechanism (1) and a handle (2); one end of the bracket mechanism (1) is arranged outside the shell of the switch product, and the handle (2) is pivotally connected to the other end of the bracket mechanism (1);
the support mechanism (1) comprises a locking structure capable of limiting the handle (2) to rotate, the handle (2) acts in the direction perpendicular to the rotating plane of the handle (2), the locking structure is unlocked, and the handle (2) can rotate to control the opening and closing of the switch product.
2. The manual operating mechanism of claim 1, wherein: the support mechanism (1) comprises a spring (12), a support (13) and a mounting middle shaft (130) which is inserted and mounted on the support (13), the spring (12) is sleeved at one end of the mounting middle shaft (130), the other end of the mounting middle shaft (130) extends out of the support (13), and the other end of the mounting middle shaft (130) is mounted and matched with the handle (2);
the locking structure comprises a support clamping plate (18) and a limiting groove (131) formed in one side of a support (13), the support clamping plate (18) is installed on an installation center shaft (130), one end of the support clamping plate (18) extends into the limiting groove (131), the support clamping plate (18) is located at one end of a spring (12), a handle (2) moves downwards, the support clamping plate (18) is pushed to compress the spring (12) to move downwards, the support clamping plate (18) is unlocked with the limiting groove (131), and the handle (2) rotates to drive the installation center shaft (130) to rotate and control the opening and closing of the switch product.
3. The manual operating mechanism of claim 2, wherein: the support clamping plate (18) is provided with a limiting protrusion (181) in a protruding manner towards one side of the limiting groove (131), and the limiting groove (131) comprises a locking groove (131a) matched with the limiting protrusion (181) in a locking manner;
the limiting groove (131) further comprises an unlocking groove (131b) on one side of the locking groove (131a), the unlocking groove (131b) is communicated with the locking groove (131a), the handle (2) moves downwards along the direction of the compression spring (12), the limiting protrusion (181) moves to the unlocking groove (131b) from the locking groove (131a), and the locking structure is unlocked.
4. The manual operating mechanism of claim 2, wherein: support baffle (132) are equipped with on support (13) one side, spacing groove (131) are located on support baffle (132).
5. The manual operating mechanism of claim 2, wherein: the switch is characterized in that a fixing hole (19) is formed in the support (13), and the support (13) is fixed to the outer portion of the shell of the switch product through the fixing hole (19).
6. The manual operating mechanism of claim 5, wherein: the bracket (13) is of a structure in a shape of Chinese character 'ji'; the fixing device comprises a U-shaped body (134) and fixing lugs (135) which are perpendicular to the two ends of the U-shaped body (134) and extend outwards, and fixing holes (19) are formed in the fixing lugs (135).
7. The manual operating mechanism of claim 2, wherein: the handle (2) comprises a handle housing (21), a support (22) and a shank (24);
the supporting piece (22) is arranged in the handle shell (21), the middle part of the supporting piece (22) is connected with the other end of the mounting middle shaft (130), and the handle part (24) is arranged on the supporting piece (22).
8. The manual operating mechanism of claim 2, wherein: the bracket mechanism (1) further comprises a first shaft sleeve (14), a second shaft sleeve (17) and a third shaft sleeve (6);
the third shaft sleeve (6), the handle (2), the support (13), the second shaft sleeve (17), the support clamping plate (18) and the first shaft sleeve (14) are sequentially sleeved on the mounting middle shaft (130), and the lower end of the first shaft sleeve (14) is abutted to the spring (12).
9. The manual operating mechanism of claim 2, wherein: the support mechanism (1) further comprises a linkage mechanism (1 a);
the linkage mechanism (1a) comprises a driving plate (12a) and a sliding plate (11a) which are connected in a linkage manner, the sliding plate (11a) is slidably mounted on a linkage support (11), the sliding plate (11a) is in linkage fit with an operating handle (7) of a switch product, the driving plate (12a) is eccentrically connected to one end of a mounting middle shaft (130), and the mounting middle shaft (130) rotates to drive the driving plate (12a) to rotate to drive the sliding plate (11a) to move linearly so as to drive the operating handle (7) to be switched on and off;
the sliding plate (11a) is provided with a driving protrusion (112a) in a protruding mode towards the driving plate (12a), the driving plate (12a) is provided with a driving groove (121a) matched with the driving protrusion (112a) in a linkage mode, the sliding plate (11a) is provided with a linkage hole (111a), and an operating handle (7) of a switch product extends into the linkage hole (111 a).
10. A molded case circuit breaker comprising the manual operating mechanism of any one of claims 1 to 9, characterized in that: an operating handle (7) is arranged on one side of a shell of the molded case circuit breaker, the support mechanism (1) of the manual operating mechanism further comprises a linkage mechanism (1a), the linkage mechanism (1a) is fixedly connected to one end of the installation center shaft (130), the linkage mechanism (1a) is connected with the operating handle (7), and the handle (2) rotates to drive the installation center shaft (130) to rotate to drive the switching-on and switching-off of the operating handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022246833.XU CN213877988U (en) | 2020-10-10 | 2020-10-10 | Manual operation mechanism and molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022246833.XU CN213877988U (en) | 2020-10-10 | 2020-10-10 | Manual operation mechanism and molded case circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN213877988U true CN213877988U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022246833.XU Active CN213877988U (en) | 2020-10-10 | 2020-10-10 | Manual operation mechanism and molded case circuit breaker |
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| CN (1) | CN213877988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937649A (en) * | 2021-10-22 | 2022-01-14 | 山东泰开真空开关有限公司 | Simple and easy integral type low-voltage switchgear drawer interlocking device |
-
2020
- 2020-10-10 CN CN202022246833.XU patent/CN213877988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937649A (en) * | 2021-10-22 | 2022-01-14 | 山东泰开真空开关有限公司 | Simple and easy integral type low-voltage switchgear drawer interlocking device |
| CN113937649B (en) * | 2021-10-22 | 2024-07-16 | 山东泰开真空开关有限公司 | Simple and easy integral type low tension switchgear drawer interlocking device |
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Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: SHANGHAI NOARK ELECTRIC Co.,Ltd. Contract record no.: X2021330000593 Denomination of utility model: Manual operating mechanism and molded case circuit breaker Granted publication date: 20210803 License type: Common License Record date: 20211025 |