CN210837545U - Isolation hard interlocking device under double-insurance circuit breaker - Google Patents
Isolation hard interlocking device under double-insurance circuit breaker Download PDFInfo
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- CN210837545U CN210837545U CN201922499896.3U CN201922499896U CN210837545U CN 210837545 U CN210837545 U CN 210837545U CN 201922499896 U CN201922499896 U CN 201922499896U CN 210837545 U CN210837545 U CN 210837545U
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Abstract
The utility model relates to a technical field of electric cabinet lock especially relates to a keep apart hard interlocking device under double insurance circuit breaker. The ground knife locking device comprises a main knife, a ground knife, a main knife locking plate, a ground knife locking plate, a mounting plate, a door control mechanism and a safety mechanism; the safety mechanism is connected with the ground cutter and extends into the cabinet door along with the rotation of the ground cutter; the main cutter and the ground cutter are both fixed on the mounting plate; the main knife lock plate is connected with the mounting plate in a sliding manner and is blocked on the end part of the main knife; the ground cutter locking plate is connected with the mounting plate in a sliding mode and clamped at the end part of the ground cutter; the main knife lock plate is fixedly connected with the ground knife lock plate; the door control mechanism is arranged at the bottom of the ground knife lock plate, is connected with a cabinet door to be controlled and is used for controlling the motion of the ground knife lock plate according to the opening and closing of the cabinet door. The utility model aims at providing an keep apart hard interlocking device under double insurance circuit breaker to the defect that exists among the prior art, increase insurance mechanism, prevent suffering from in advance, improve the fault-tolerant.
Description
Technical Field
The utility model relates to a technical field of electric cabinet lock especially relates to a keep apart hard interlocking device under double insurance circuit breaker.
Background
Electrical equipment is installed in the electrical cabinet or the power distribution cabinet, and a locking device is required to be installed on the electrical cabinet door to protect the electrical equipment in the electrical cabinet. Conventional lockers are similar in structure to a bolt or latch and are lacking in safety and reliability.
In the prior art, the door locking device of the electrical cabinet is often controlled in a single-weight mode by inserting a lock shaft into a cabinet door. However, when the lock shaft is in a problem in cooperation with the cabinet door, a safety device is lacked to guarantee the operation safety.
In view of the above problems, the present designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively making research and innovation in cooperation with the application of the theory, in order to design the isolation hard interlocking device under the double-safety circuit breaker, and increase the safety mechanism to prevent the accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an keep apart hard interlocking device under double insurance circuit breaker to the defect that exists among the prior art, increase insurance mechanism, prevent suffering from in advance, improve the fault-tolerant.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the ground knife locking device comprises a main knife, a ground knife, a main knife locking plate, a ground knife locking plate, a mounting plate, a door control mechanism and a safety mechanism; the safety mechanism is connected with the ground cutter, extends into the cabinet door along with the rotation of the ground cutter and is used for controlling the opening and closing of the cabinet door; the main knife and the ground knife are both fixed on the mounting plate and used for operating opening and closing; the main knife lock plate is connected with the mounting plate in a sliding manner and is blocked on the end part of the main knife; the ground cutter locking plate is connected with the mounting plate in a sliding mode and clamped at the end part of the ground cutter; the main knife lock plate is fixedly connected with the ground knife lock plate and is used for realizing synchronous sliding of the main knife lock plate and the ground knife lock plate on the mounting plate; the door control mechanism is arranged at the bottom of the ground knife lock plate, is connected with a cabinet door to be controlled and is used for controlling the motion of the ground knife lock plate according to the opening and closing of the cabinet door.
Further, the safety mechanism comprises a cam, a sliding rod and a spring; one end of the cam is connected with the ground cutter, and the other end of the cam abuts against the top of the sliding rod; the sliding rod is sleeved by the spring and is used for being inserted into the top of the cabinet door under the control of the cam to lock the cabinet door.
Furthermore, a separation blade is arranged on the main knife locking plate; the blocking piece is used for blocking the handle of the main knife when the cabinet door is opened, and the main knife is prevented from being matched with the outside.
Furthermore, a bayonet is arranged at the matching position of the ground knife locking plate and the ground knife; the bayonet socket is used for when the cabinet door is opened, with the handle joint of ground sword pins ground sword.
Furthermore, a connecting part of the main knife lock plate and the ground knife lock plate is provided with a mounting hole; the mounting hole is used for screwing in a bolt to strengthen the fixation between the main knife lock plate and the ground knife lock plate.
Furthermore, a handle is arranged on the side edge of the ground knife lock plate; the handle is used for facilitating manual push-pull of the ground knife lock plate.
Further, a door lock shaft is arranged at the bottom of the ground knife lock plate; when the cabinet door is closed, the door lock shaft is inserted into the top of the cabinet door and used for locking the cabinet door.
Further, the door control mechanism comprises an elastic mechanism, a sliding sheet and a pressing plate; the sliding sheet is vertically connected with the pressing plate; the sliding sheet is abutted against the cabinet door and used for limiting the pressing plate to move when the cabinet door is closed; the elastic mechanism is connected with the end part of the pressing plate and is used for ejecting the pressing plate when the cabinet door is opened; the pressing plate is used for pressing against the door lock shaft when the cabinet door is opened.
Through the technical scheme of the utility model, can realize following technological effect:
the main knife and the ground knife are controlled by installing the main knife locking plate and the ground knife locking plate on the installation plate, and then the door control mechanism is linked with the cabinet door, so that hard linkage is realized. Meanwhile, a safety mechanism controlled by the rotation of the ground cutter is added, so that the trouble is prevented and the fault tolerance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a side view structural diagram of a lower isolation hard interlocking device of a double-safety circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a safety mechanism of a lower isolation hard interlocking device of a double-safety circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower isolation hard interlocking device of a double-safety circuit breaker according to an embodiment of the present invention;
fig. 4 is a matching view of the main knife locking plate and the ground knife locking plate of the lower isolation hard interlocking device of the double-safety circuit breaker in the embodiment of the present invention;
reference numerals: the main knife 1, the ground knife 2, the main knife lock plate 3, the ground knife lock plate 4, the mounting plate 5, the door control mechanism 6, the safety mechanism 7, the blocking piece 31, the bayonet 41, the mounting hole 42, the door lock shaft 43, the handle 44, the elastic mechanism 61, the sliding piece 62, the pressing plate 63, the cam 71, the sliding rod 72 and the spring 73.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A lower isolation hard interlocking device of a double-safety circuit breaker is shown in figure 3 and comprises a main knife 1, a ground knife 2, a main knife locking plate 3, a ground knife locking plate 4, a mounting plate 5, a door control mechanism 6 and a safety mechanism 7; the safety mechanism 7 is connected with the ground cutter 2, extends into the cabinet door along with the rotation of the ground cutter 2 and is used for controlling the opening and closing of the cabinet door; the main knife 1 and the ground knife 2 are both fixed on the mounting plate 5 and used for operating opening and closing; the main knife lock plate 3 is connected with the mounting plate 5 in a sliding manner and is blocked on the end part of the main knife 1; the ground knife locking plate 4 is connected with the mounting plate 5 in a sliding manner and clamped at the end part of the ground knife 2; the main knife lock plate 3 is fixedly connected with the ground knife lock plate 4 and is used for realizing synchronous sliding of the main knife lock plate and the ground knife lock plate on the mounting plate 5; the door control mechanism 6 is arranged at the bottom of the ground knife locking plate 4, is connected with a cabinet door to be controlled, and is used for controlling the motion of the ground knife locking plate 4 according to the opening and closing of the cabinet door.
As a preference of the above embodiment, as shown in fig. 1 and 2, the safety mechanism 7 includes a cam 71, a slide lever 72, and a spring 73; one end of the cam 71 is connected with the ground cutter 2, and the other end of the cam abuts against the top of the sliding rod 72; the sliding rod 72 is sleeved by the spring 73 and is used for being inserted into the top of the cabinet door under the control of the cam 71 to lock the cabinet door.
As a preference of the above embodiment, as shown in fig. 1 and 4, the main blade lock plate 3 is provided with a stopper piece 31; the blocking piece 31 is used for blocking the handle of the main knife 1 when the cabinet door is opened, and the main knife 1 is prevented from being matched with the outside.
As a preference of the above embodiment, as shown in fig. 1 and 4, a bayonet 41 is provided at the position where the ground knife locking plate 4 is matched with the ground knife 2; the bayonet 41 is used for being clamped with the handle of the ground cutter 2 to lock the ground cutter 2 when the cabinet door is opened.
As a preference of the above embodiment, as shown in fig. 1 and 4, a mounting hole 42 is provided at the connection between the main blade lock plate 3 and the ground blade lock plate 4; the mounting holes 42 are used for screwing bolts to strengthen the fixation between the main knife lock plate 3 and the ground knife lock plate 4.
As a preference of the above embodiment, as shown in fig. 1 and 4, a handle 44 is provided at a side of the floor lock plate 4; the handle 44 is used for facilitating manual pushing and pulling of the ground knife locking plate 4.
As a preference of the above embodiment, as shown in fig. 1 and 4, the bottom of the floor lock plate 4 is provided with a door lock shaft 43; when the cabinet door is closed, the door lock shaft 43 is inserted into the top of the cabinet door for locking the cabinet door.
As a preference of the above embodiment, as shown in fig. 1 and 3, the door control mechanism 6 includes an elastic mechanism 61, a slide piece 62 and a pressing plate 63; the sliding sheet 62 is vertically connected with the pressure-resisting plate 63; the sliding sheet 62 is abutted against the cabinet door and used for limiting the movement of the abutting plate 63 when the cabinet door is closed; the elastic mechanism 61 is connected with the end part of the pressing plate 63 and is used for ejecting the pressing plate 63 when the cabinet door is opened; the pressing plate 63 is used for pressing against the door lock shaft 43 when the cabinet door is opened.
Specifically, when the cabinet door is closed, the floor knife locking plate 4 slides downward under the influence of gravity, so that the door locking shaft 43 is inserted into the top of the cabinet door, and the cabinet door is ensured to be closed. The ground knife locking plate 4 is connected with the main knife locking plate 3, so that the main knife locking plate 3 is driven to slide downwards, the limitation of the main knife 1 and the ground knife 2 is relieved, and the opening and closing can be regulated and controlled.
Specifically, when the cabinet door is opened, the floor knife 2 needs to be twisted firstly, so that the cam 71 in the safety mechanism 7 rotates along with the cam, the most convex part of the cam 71 leaves the sliding rod 72, the sliding rod 72 retracts under the action of the spring 73 to separate from the cabinet door, safety limitation is removed, fault tolerance is improved, and operation is safer. Then, the floor knife lock plate 4 is pulled up, so that the door lock shaft 43 inserted into the top of the cabinet door is pulled out, the limitation of the cabinet door is removed, and the cabinet door can be opened. Meanwhile, the door control mechanism 6 is not abutted against the sliding piece 62 due to the opening of the cabinet door, so that the elastic mechanism 61 connected behind the sliding piece 62 ejects the sliding piece 62 to drive the abutting plate 63 to abut against the door lock shaft 43, the ground knife locking plate 4 and the main knife locking plate 3 are forced to keep an upward moving state, and then the blocking piece 31 and the bayonet 41 lock the main knife 1 and the ground knife 2 respectively, so that the opening and closing operation cannot be performed, and the safety is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A lower isolation hard interlocking device of a double-safety circuit breaker is characterized by comprising a main knife (1), a ground knife (2), a main knife lock plate (3), a ground knife lock plate (4), a mounting plate (5), a door control mechanism (6) and a safety mechanism (7); the safety mechanism (7) is connected with the ground knife (2), extends into the cabinet door along with the rotation of the ground knife (2) and is used for controlling the opening and closing of the cabinet door; the main knife (1) and the ground knife (2) are both fixed on the mounting plate (5) and used for operating opening and closing; the main knife lock plate (3) is connected with the mounting plate (5) in a sliding manner and is blocked on the end part of the main knife (1); the ground knife locking plate (4) is connected with the mounting plate (5) in a sliding manner and clamped at the end part of the ground knife (2); the main knife lock plate (3) is fixedly connected with the ground knife lock plate (4) and is used for realizing synchronous sliding of the main knife lock plate and the ground knife lock plate on the mounting plate (5); the door control mechanism (6) is arranged at the bottom of the floor knife lock plate (4), is connected with a cabinet door to be controlled, and is used for controlling the floor knife lock plate (4) to move according to the opening and closing of the cabinet door.
2. The lower isolation hard interlock device of a double safety circuit breaker according to claim 1, wherein the safety mechanism (7) comprises a cam (71), a sliding rod (72), and a spring (73); one end of the cam (71) is connected with the ground cutter (2), and the other end of the cam is abutted against the top of the sliding rod (72); the sliding rod (72) is sleeved by the spring (73) and is used for being inserted into the top of the cabinet door under the control of the cam (71) to lock the cabinet door.
3. The lower isolation hard interlocking device of the double-safety circuit breaker according to claim 1 or 2, characterized in that a blocking piece (31) is arranged on the main knife locking plate (3); the blocking piece (31) is used for blocking the handle of the main knife (1) when the cabinet door is opened, and the main knife (1) is prevented from being matched with the outside.
4. The lower isolation hard interlocking device of the double-safety circuit breaker according to claim 1 or 2, characterized in that a bayonet (41) is arranged at the matching position of the ground knife lock plate (4) and the ground knife (2); the bayonet (41) is used for clamping the handle of the ground knife (2) when the cabinet door is opened, and locking the ground knife (2).
5. The lower isolation hard interlocking device of the double-safety circuit breaker according to claim 1 or 2, characterized in that a mounting hole (42) is formed at the joint of the main knife lock plate (3) and the ground knife lock plate (4); the mounting holes (42) are used for screwing bolts to strengthen the fixation between the main knife lock plate (3) and the ground knife lock plate (4).
6. The lower isolation hard interlocking device of the double-safety circuit breaker according to claim 1 or 2, characterized in that a handle (44) is arranged on the side of the ground knife lock plate (4); the handle (44) is used for facilitating manual push-pull of the ground knife lock plate (4).
7. The lower isolation hard interlock device of a double safety circuit breaker according to claim 1 or 2, wherein a door lock shaft (43) is provided at the bottom of the ground knife lock plate (4); when the cabinet door is closed, the door lock shaft (43) is inserted into the top of the cabinet door for locking the cabinet door.
8. The lower isolation hard interlock device of a double-safety circuit breaker according to claim 7, wherein the door control mechanism (6) comprises an elastic mechanism (61), a sliding piece (62) and a pressing plate (63); the sliding sheet (62) is vertically connected with the pressure-resisting plate (63); the sliding sheet (62) is abutted against the cabinet door and used for limiting the movement of the abutting plate (63) when the cabinet door is closed; the elastic mechanism (61) is connected with the end part of the pressing plate (63) and is used for ejecting the pressing plate (63) when the cabinet door is opened; the pressing plate (63) is used for pressing against the door lock shaft (43) when the cabinet door is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499896.3U CN210837545U (en) | 2019-12-31 | 2019-12-31 | Isolation hard interlocking device under double-insurance circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499896.3U CN210837545U (en) | 2019-12-31 | 2019-12-31 | Isolation hard interlocking device under double-insurance circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210837545U true CN210837545U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922499896.3U Active CN210837545U (en) | 2019-12-31 | 2019-12-31 | Isolation hard interlocking device under double-insurance circuit breaker |
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| CN (1) | CN210837545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
-
2019
- 2019-12-31 CN CN201922499896.3U patent/CN210837545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823215A (en) * | 2022-05-31 | 2022-07-29 | 山东泰开成套电器有限公司 | 10kV environment-friendly inflatable cabinet high-reliability mechanism interlocking device and using method thereof |
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